transparent lcd panel for pc free sample
I saw a really cool video of a PC case called "Snowblind", that had a transparent LCD Screen as a side panel. I was amazed over how cool it was. The only problem was that it was really expensive. Therefore, I tried making my own! In this instructables I will go through how I made it, and how you could make your own. The best of all, since it was made from an old monitor that was thrown away, it was basically free! I just added some LED strips on the inside of the case to get better contrast on the screen. You could probably re-use the monitors backlight, but it"s safer and easier to just get some cheap LED strips.
The first step is to disassemble the monitor. The disassembly is pretty well documented in the video I made. I have also added some pictures so you can see the steps. The steps of disassembling the monitor will not be the same for every monitor, therefore I will not go into detail of every step.
You will have to reverse engineer the controller to find the power connections, and solder a new power connector on. This way, you can use the ATX power supply that powers your computer. I used a multimeter, where I had one probe to the ground plane (For example around the mounting screws), and used the other probe to search for 5V or 12V power on the pins coming from the power supply.
First, remove the frame of the panel. It is fixed with clips, so just bend the frame a little and lift the frame up. Next, separate the front LCD from the backlight. For the next step, you will have to be careful. This step involves removing the anti glare film. It is glued to the panel, and therefore it"s easy to break the LCD when trying to remove it.
To remove it place some paper towels on top, and then carefully pour water on it until the towels are soaked. Let it sit for around 24 hours. After 24 hours, try to start pealing the layer from the corner. If it sticks in some places, place a wet paper towel on that space and wait some more.
Then you are done modding the LCD! Now, you can hook it up to the panel and test it. Just be careful with the ribbon cables going from the LCD PCB to the panel.
The side panel of this case fits the LCD perfectly. Just line it up to the side facing the back, and to the top, and use some tape to tape it to the glass. Then, use some vinyl on the outside where the LCD is not covering the glass.
It"s really important to have lots of lights inside the case, to make it easier to see the LCD. Therefore, try to fill the case with even more LED strips.
Now you can carefully mount the side panel back on the computer. You might have to drill a new hole for the thumb screw in the back to make it fit properly.
You can now power up the computer, open the screen settings and set it up for dual screens. You might have to flip the display 180 degrees too. When you have done that, open Wallpaper Engine and set a wallpaper of choice!
Hey I have a little question, I also have a Dell 1905FP, but I think it"s an older model because I don"t have a ribbon cable but a normal cable with a plug. My problem is that I have peeled off one film but it still looks like there is a second film on the back because it is still a little blurry. But I"m afraid that if I try to pull them off, my LCD display will break. Maybe you have an idea. Thanks in advance
Stunning result ! Bought for 10€ a Dell 1907FPc which is fairly similar to yours. I have trouble identifying the pin layout to find the 5V pin. Did you plug in the power supply to your AC while checking with your multimetter ?0
Great tutorial and video! I"m trying my hand at replicating your process and I even got my hands on the exact monitor. I have reached the point where I"ve disassembled the panel and controllers, and discharged the capacitors from the PSU, but I am a little stuck at this point because I don"t know how to wire up the molex header. I watched your video and saw that you had two wires soldered to the power connector. Which connectors are they and where do they go on the molex cable? Thank you!
Terrific job! May I ask why you would need to remove the front polarizer? If my understanding is correct, both the front and back polarizers are needed in order for the LCD to work properly (i.e., the light gets polarized by the back polarizer first, and then passes through the front polarizer)? You comments will be appreciated!
I tried taking some photos, but I have covered the screen PCB with a cover, so it was hard to see in the photos. I basically just laid it inside the case with a 90-degree angle. I tried drawing it here: (view from the front)0
I think you should have more pics and info about the re- mounting the LCD. After all if you don"t do it right all that work is for nothing. While I understand your wiring diagram, I think that it should be explained and a larger part of this Instructible...for example to get white lite your are powering all 3 lanes (red,green,blue) on the RGB tape.
Hello, Wonderfull project, I have the same case and I would love to do it (if I have time and the screen to the right size). Just a question, can you put a photo of the cable connection to see if it"s easy to open the case ? One little suggestion, instead of connecting the panel to the graphic card (which mean to run a cable outside, why don"t you use a USB to VGA or DVI converter (like this https://www.amazon.fr/Adaptateur-convertisseur-adaptateur-Affichage-multi-écrans/dp/B079L81FRD/ref=asc_df_B079L81FRD/?tag=googshopfr-21&linkCode=df0&hvadid=227894524041&hvpos=&hvnetw=g&hvrand=17927658121409960098&hvpone=&hvptwo=&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9055710&hvtargid=pla-442905712462&psc=1) ?
Thanks! So I actually bought one of those adapters, as well as an internal USB 3.0 to USB A port and tried it that way, but I couldn"t get it to work reliably. You might have better luck than I have, but I found it simpler to just run the cable through the case. I just removed one of the PCIE slot covers, and ran it out through there, so opening and closing the case is not a problem.More CommentsPost Comment
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Case modding took off in the late 90s, and taught us all that computers could (and should!) look awesome. Much of the aesthetic went mainstream, and now tons of computer cases come with lights and windows and all the rest. [WysWyg_Protogen] realized those simple case windows could be way cooler with a neat LCD hack, and set to work.
The concept is simple. Take an old LCD monitor, remove the backlight and extraneous hardware, and then install it to the window in a computer case. When lit from behind via LEDs in the case, the screen creates a ghostly display through which the computer’s internals can still partially be seen. It’s a really compelling effect, and in theory, quite easy to achieve. All one need do is mount the stripped-down screen to the case and pipe it video from the graphics card.
In practice, it’s a little tricky. Disassembling the screen and removing things like the anti-glare coating can be tough to do without damaging the delicate panel inside. The windows typically used on computer cases can dull the effect, too. However, [WysWyg_Protogen] is continuing to tinker with the project and the results are getting increasingly impressive with each iteration. It doesn’t photograph too well, but it looks truly amazing in motion.
We often forget LCDs are transparent in their basic form, as we generally only use them with backlights or reflective backers. They really do look great when used in this transmissive way, though. Video after the break.
Screen Solutions offers complete solutions for transparent displays including standard and custom display cases. SSI has designed and built transparent displays for companies like Chrysler, Lockheed Martin, Mazda and many others over the last 15 years.
Standard Sizes start as small as 10″ and can get as big as 86″ Diagonal as seen in the video to your left. These complete displays include transparent panel, lighting, glass, display case and even a touch screen if you want.
Transparent LCD’s provide an innovative display solution opening up new ways for brands to promote their products and services. Examples include retail stores looking to advertise a new fashion clothing or accessory, museums securely housing a precious artifact with information displayed on screen or brands looking to launch a new product at a live event or show. The opportunities are endless!
Our Transparent LCD Displays include a Grade A LCD panel with metal bezel protecting the edges / electronics and a media board supporting HDMI or VGA inputs from your PC, Laptop or Media Player.
Transparent screen technology offers intriguing ways to deliver visual information to your audience, being used to reveal or conceal products, objects or artefacts behind the screen.
The combination of HD LCD technology (4K on our 65″, 86″, 98″ version) with a transparent screen substrate opens up creative avenues that were previously closed with traditional LCD displays. Solid black pixels on a transparent background can be used in intriguing ways to hide (and gradually reveal) whatever is behind the screen.
Our Transparent LCD monitors are designed for integration into the customers own furniture housing or display case while our Transparent LCD showcases offer a complete solution including the display, housing and backlight with white or black options available on request. We can also offer custom freestanding options for POP / POS displays. Transparent LCD’s are predominantly fully housed however we’ve recently developed an innovative housing method using a high brightness LED panel which allows the display case sides to remain transparent for improved visibly into the display case.
Using their original design as a starting point, we worked closely with the team at Nike to adapt to the mechanical aspects of the design, the result was a sleek and minimalist set of nine Transparent LCD Display Screens, custom built to suit the applications requirements, bringing Nike’s original concept ideas to life.
These screens can also be granted multi-touch capability by combining them with infrared touch frames or PCAP touch overlays, to add an interactive element to your installation. This creates a very powerful impact when the content on screen integrates with real life objects behind the screen, encouraging viewers to interact on a level that will exceed expectations.
Retail windows, interactive booths, display cases, interactive games, vending machines, drinks coolers… the uses for this amazing technology are limited only by your creativity.
Transparent LCD’s comprise of an LCD panel without the backlight with white pixels appearing as transparent. In order to display an image, the Transparent LCD needs to be integrated into a housing with a high bright LED backlight.
We can also offer more complete solutions like our Transparent LCD Showcase that comes fully contained and ready to use with a powerful backlighting system to guarantee the best picture quality.
Yes in order to display an image Transparent LCD’s need to have a strong backlight. Notoriously Transparent LCD’s have also needed some form of housing to achieve optimum image quality, however, Nike’s House of Innovation paired our Transparent LCD’s with powerful, oversized backlights that allowed the screens to be mounted with no surround but still producing a high-quality image.
Transparent LCD’s are arguably the most popular transparent screens but are hindered by their need for a backlight to operate. For applications looking for a similar effect without the backlighting, Transparent OLEDs require no housing or surround but are only currently available in a 55″ screen size with HD quality. For larger transparent screen applications, Transparent LED’s are recommended with external and internal solutions usually installed to glass facades for the impact of an led screen without compromising the view from inside the building.
We also offer transparent projection technologies including our Clearview Rear Projection Film featured in Guardians of the Galaxy as well as at the 83rd Oscars celebration and MTV EMA awards.
Transparent LCD’s are a great way to combine physical and digital displays in one central place making them a popular choice for museums and exhibitions. Our transparent screens can also be integrated into display furniture and appliances & vending machines like freezer doors for supermarkets. Other uses include POS displays, store window displays, trade shows and product launches.
We manufacture in Britain and ship worldwide – if you need further information, a pricing quote, or want to discuss ideas for using our Transparent LCD Display click the link below to contact us, email us via info@prodisplay.com or call us on +44 (0)1226 361 306.
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[av_row row_style=” av_uid=’av-438uuv’][av_cell col_style=” av_uid=’av-13hgzgn’]Panel type[/av_cell][av_cell col_style=” av_uid=’av-3onb3r’]LCD or OLED[/av_cell][/av_row]
[av_row row_style=” av_uid=’av-laelev’][av_cell col_style=” av_uid=’av-ja6pqf’]Function[/av_cell][av_cell col_style=” av_uid=’av-ht7clz’]PC monitor, digital signage, kiosk etc[/av_cell][/av_row]
[av_row row_style=” av_uid=’av-du367r’][av_cell col_style=” av_uid=’av-cxvu3r’]We have factory and our cost is lower than competitors.[/av_cell][av_cell col_style=” av_uid=’av-adq5dj’]We make by ourselves, so we can control the quality and lead time.[/av_cell][av_cell col_style=” av_uid=’av-90ybhz’]We will ship out your products ASAP after you place the orders.[/av_cell][av_cell col_style=” av_uid=’av-80gntz’]We have professional engineers to design custom products.[/av_cell][av_cell col_style=” av_uid=’av-kq8t3′]We always do our best to work for every customer.[/av_cell][/av_row]
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[av_heading heading=’Some GECEY’s transparent LCD’ tag=’h3′ link_apply=” link=’manually,http://’ link_target=” style=’blockquote modern-quote modern-centered’ size=’22’ subheading_active=” subheading_size=’15’ margin=” margin_sync=’true’ padding=’10’ color=’custom-color-heading’ custom_font=’#108bef’ av-medium-font-size-title=” av-small-font-size-title=” av-mini-font-size-title=” av-medium-font-size=” av-small-font-size=” av-mini-font-size=” av_uid=’av-367as7′ custom_class=” admin_preview_bg=”][/av_heading]
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For the special size, such as the1/2 32 inch and so on, please feel free to contact us. To view the information of 17.3 inch to 86 inch transparent LCDs, please click the following link:
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[av_heading heading=’The complete guide of transparent LCD in 2022′ tag=’h1′ style=’blockquote modern-quote modern-centered’ subheading_active=” show_icon=” icon=’ue800′ font=’entypo-fontello’ size=’30’ av-medium-font-size-title=” av-small-font-size-title=” av-mini-font-size-title=” subheading_size=’15’ av-medium-font-size=” av-small-font-size=” av-mini-font-size=” icon_size=” av-medium-font-size-1=” av-small-font-size-1=” av-mini-font-size-1=” color=’custom-color-heading’ custom_font=’#4f9acc’ subheading_color=” seperator_color=” icon_color=” margin=” margin_sync=’true’ padding=’10’ icon_padding=’10’ headline_padding=” headline_padding_sync=’true’ link=’manually,http://’ link_target=” id=” custom_class=” template_class=” av_uid=’av-3wvqef’ sc_version=’1.0′ admin_preview_bg=”][/av_heading]
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[av_heading heading=’Chapter 1: What’s the transparent LCD’ tag=’h2′ link_apply=” link=’manually,http://’ link_target=” style=” size=” subheading_active=” subheading_size=’15’ margin=” padding=’10’ color=” custom_font=” custom_class=” admin_preview_bg=” av-desktop-hide=” av-medium-hide=” av-small-hide=” av-mini-hide=” av-medium-font-size-title=” av-small-font-size-title=” av-mini-font-size-title=” av-medium-font-size=” av-small-font-size=” av-mini-font-size=” av_uid=’av-56q3zb’][/av_heading]
The transparent LCD is a kind of LCD screen which you can see through it when it’s working. You can read the information on the screen and see what’s behind it at the same time. Such screen is not a new technology. It’s a branch of traditional screen which has been more than 20 years.
The biggest difference between the transparent LCD screen with traditional LCD screen is its light transmittance is higher. In theory, the higher the light transmittance, the better the effect that you can see through the screen.
The transparent LCD is the core part of transparent monitor. It can not emit the light by itself, so the backlight is essential when it’s working. If you don’t like the backlight, then what we recommend is the transparent OLED display. The OLED screen can emit the light, so it doesn’t need the backlight.
The transparent LCD is widely used in lots of applications, for example video wall, vending machine, display box and others. It usually be used with touch screen. Such LCD display with touch screen is interactive and interesting.
The transparent LCD screen is made by daily used liquid crystal display screen. Such screen is the LCD panel without the LED backlight. It has a proper name which is called
The transparent LCD has many custom features, such as the size, resolution and so on. If you want to use such product normally, there are also some details that you need to pay attention to. Follow this article, then you will get everything you need.
[av_heading heading=’Chapter 2: Best transparent LCD for sale’ tag=’h2′ link_apply=” link=’manually,http://’ link_target=” style=” size=” subheading_active=” subheading_size=’15’ margin=” padding=’10’ color=” custom_font=” custom_class=” admin_preview_bg=” av-desktop-hide=” av-medium-hide=” av-small-hide=” av-mini-hide=” av-medium-font-size-title=” av-small-font-size-title=” av-mini-font-size-title=” av-medium-font-size=” av-small-font-size=” av-mini-font-size=” av_uid=’av-94f28n’][/av_heading]
Plenty of clients buy such product from us, but they can not use it or sell it to their customers right now when they get it. That’s because the transparent LCD screen is just a semi-finished product. Most of the clients need to install it on their machines. In that case, the LCD screen should can meet the requirements of the clients, for examples,
Plenty of clients wanted to buy some transparent LCD displays for their applications, but we found they don’t know such product very clearly. We have met a lot of similar situations. In that case, what you need most is to find the professional supplier. The professional supplier can provide the products with the best quality and reasonable price.
GECEY can provide the full sizes of the transparent LCD. Please don’t worry about there is not the proper size for your application. The most commonly used resolution of such screen is 1920 x 1080 (FHD). If you need the 4K resolution( 3840 x 2160 ), please feel free to contact us first. The table shows the sizes and resolutions that we can provide.
The transparent LCD has a professional name which is called open cell panel. You can see its appearance in the picture on the left below. It looks like a black panel with driver board. The picture on the right below is its internal structure. We can see that the structure is complex. It contains two polarizer, two glass substrates, liquid crystal and so on.
For users, you don’t need to know all the internal structure, materials and so on. The picture below is a very simple structure we make. You can see that there are two pieces of polarizer. One is on the top of the glass and another is on the bottom.
The reason why we introduce the polarizer is that it can greatly influences the light transmittance and brightness of the screen. For the manufacturer, we usually change the polarizer to improve the light transmittance. The production process requires special workplaces, skilled workers, special materials, and special care. This is because the transparent LCD screen is very fragile and easy to be damaged.
[av_heading heading=’Chapter 5: Light transmittance of transparent LCD’ tag=’h2′ link_apply=” link=’manually,http://’ link_target=” style=” size=” subheading_active=” subheading_size=’15’ margin=” margin_sync=’true’ padding=’10’ color=” custom_font=” av-medium-font-size-title=” av-small-font-size-title=” av-mini-font-size-title=” av-medium-font-size=” av-small-font-size=” av-mini-font-size=” av_uid=’av-kmyh670w’ custom_class=” admin_preview_bg=”][/av_heading]
The light transmittance is a very important parameter for transparent LCD. The higher the transmittance, the higher the brightness and the more you can see the product behind the screen.
How much is the light transmittance of common screen? The picture below is the SPEC of AUO 32” open cell panel which the model is T320HVN05.6 CELL . From the picture, we can see it’s 6.5%. If you check the SPEC of LCD screens which are from super manufacturers, such as Samsung, LG, AUO and so on, you can find the transmittance of them is around 6.5%.
However, 6.5% is not enough for the transparent LCD display. So it’s essential to change the polarizer. Some special materials and polarizer are needed. The process is not easy , especially the big sizes. If the operation is wrong, the screen will be damaged.
The super manufacturers of open cell panel will not do this for you. The process is finished by the manufacturer of transparent LCD. So, to find a professional manufacturer is very necessary, if you want to buy some.
[av_heading heading=’Chapter 6: Commonly used components working with transparent LCD’ tag=’h2′ link_apply=” link=’manually,http://’ link_target=” style=” size=” subheading_active=” subheading_size=’15’ margin=” margin_sync=’true’ padding=’10’ color=” custom_font=” av-medium-font-size-title=” av-small-font-size-title=” av-mini-font-size-title=” av-medium-font-size=” av-small-font-size=” av-mini-font-size=” av_uid=’av-kmyh6z2a’ custom_class=” admin_preview_bg=”][/av_heading]
LED backlight: Different with OLED panel, such screen can not emit light by itself. So it needs the backlight so that you can see through when it’s working. For details, please see the chapter 7.
Controller: Same with the common LCD panel, it needs the controller to work. The controller receives the signal from the computer or U disk and sends to the panel, then the panel can display the letters, pictures and others.
Glass: The glass is used to protect the transparent LCD screen. Although the glass is not essential, it’s used in most of the applications. The LCD screen is glued on one surface of the glass.
Frame: The frame is essential. It’s used to hold the LCD screen, glass, backlight, control board and other parts. Some clients need their supplier to make the frame for them, some others can make by themselves.
[av_heading heading=’Chapter 7: How to use the transparent LCD’ tag=’h2′ link_apply=” link=’manually,http://’ link_target=” style=” size=” subheading_active=” subheading_size=’15’ margin=” margin_sync=’true’ padding=’10’ color=” custom_font=” av-medium-font-size-title=” av-small-font-size-title=” av-mini-font-size-title=” av-medium-font-size=” av-small-font-size=” av-mini-font-size=” av_uid=’av-kmyh900n’ custom_class=” admin_preview_bg=”][/av_heading]
First of all, you need to make a LED backlighting system for it in your products. May be your products are display boxes, cabinets, vending machines and others. Whatever they are, the most important is to design a space for the backlight.
The LED strips are driven by a small controller so that they can work in sync with the transparent LCD. The LED backlight panel can also be used to make the backlight system. The key points are the light of the space should be bright and even enough.
The second, the transparent LCD is not suitable for playing pictures or videos with complex colors. The large area of complex colors will affect you to see through the screen. It would be hard to see the products behind the screen clearly. Please keep most area of the LCD to play white color.
When the screen displays white, it’s the most prefect condition to watch the product behind it. So ,when you make the pictures or videos, please keep the background to be white. Just use the transparent LCD to play the introductions or videos with simple color.
[av_heading heading=’Chapter 8: Why you can not see through the transparent LCD from both sides’ tag=’h2′ link_apply=” link=’manually,http://’ link_target=” style=” size=” subheading_active=” subheading_size=’15’ margin=” padding=’10’ color=” custom_font=” custom_class=” admin_preview_bg=” av-desktop-hide=” av-medium-hide=” av-small-hide=” av-mini-hide=” av-medium-font-size-title=” av-small-font-size-title=” av-mini-font-size-title=” av-medium-font-size=” av-small-font-size=” av-mini-font-size=” av_uid=’av-2gh5qf’][/av_heading]
In chapter 5 of this article: transparent monitor, we have said that the transparent LCD can not be seen through from both sides. You just can see through it from the front of the screen. The picture below shows you why.
First, the transparent LCD screen can not emit the light by itself. Second, the space around the screen can be divided into two parts: the dark area which is in front of the screen and the bright area with backlight which is behind the screen. People can see through from the dark area to the bright area, but they can’t see through from the opposite direction.
This phenomenon is very common. For example, at night, A is standing in the shadow of the dark, and B is standing in the light. A can see B ,but B can not see A. There are many products that use the same principle, such as mirror TV, smart mirror and so on.
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Most of the transparent LCD screens we exported are frameless. The clients have the frame and can install the LCD screen by themselves. If you don’t have the frame, then we can also make for you. Most of the frames are made by the aluminum and iron plate. The aluminum frames are light, strong and easy to be produced. The frames have many custom features, such as the sizes, thicknesses and so on.
Plenty of clients want to use the transparent LCD to modify their product and they just need only one piece. For example, the LCD side panel PC case is very popular. There is a transparent screen on one side of the PC case. You can see the inside of the PC and play the videos you love at the same time.
Such case for gaming look very amazing so that lots of people want to have one. However, it’s hard for them to find the supplier to buy just one piece of transparent LCD and it would take long time to get one. So, they want to DIY by themselves.
There are some guides online that teaches people to use a common monitor to DIY a transparent LCD. For example, use the screen of a second computer monitor to make one. The simple process is to remove the most part of the LCD panel of the monitor, leaving only LCD screen( open cell), then install some LED strips and the open cell on their PC case.
Does it work? Yes, but there are many problems in the DIY process. First of all, you need to be very careful in the DIY process. The LCD open cell glass is very fragile. There are several flexible PCB cables at the bottom of the screen. If either of them is damaged, then the screen can not work normally.
The second, the transmittance of screen that you DIY is much lower than the professional transparent LCD. So the final effect is not as good as you think. There are also some other problems, for example, you need to but one tempered glass to protect the LCD screen . We recommend to buy one transparent LCD directly.
The transparent LCD is widely used in many products, for example vending machine, video box, video wall and so on. If you have any questions, please feel free to use the button below to contact us.
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Transparent display technology surrounds us, even if we aren’t aware of it. In this article we look at transparent head-up displays, LCDs, OLEDs and transparent electroluminescent technology and delve into the pros and cons of the four main transparent technology displays.
However, if you think this is new technology, think again. While most transparent technology has come to the fore since the millennium, it was being used as far back as the mid-20th century.
In this article, we’re looking at four types of transparent tech which include typical projection head-up displays (HUDs), LCDs, OLEDs, and transparent electroluminescent displays (TASEL). We’ll look at the pros and cons of each and show you how transparent display technology plays an essential part in our working lives and free time. An explanatory
The first steps into creating transparent head-up displays can be traced back as far as 1937. However, it wasn’t until the 1950s, following perfections to the technology by the US and British Royal Navies, UK Ministry of Defence and, finally, the Royal Aircraft Establishment in 1958, that the first true projection ‘head-up display’ was incorporated into aircraft.
There is also an emerging technology calledTASEL, which makes it possible to laminate displays in glass and show information without a projection system. However, as this a different transparent technology, we’ll mention thislaterin the article.
The most common transparent projection HUD is a display composed by a piece of flat glass used to project images in front of the pilot. This allows the pilot to keep their head up (hence the name ‘head-up display’) so they’re not distracted by looking down at their control panel for information during flight.
This technology has been a staple for fighter pilots for decades. Although it helps pilots focus on the job and provides them with vital information, there are limitations too.
Why have we included LCDs as a transparent display when, at first glance, they’re not truly transparent? In fact, we’re only able to see the information on our monitors, such as laptops, with the introduction of a backlight and a reflector shield.
Take these away and we see true transparency of the LCD display - which is something Samsung did in 2012 with the production of theirSamsung Transparent Smart Window.
However, to see the information, it needed the reintroduction of a backlight at all times to view it and, although this technology has been used to display products in stores, the need for constant light at the rear of the display makes its use limited outside of a strictly controlled environment.
LCDs are also one of the most popular screens on the market and this rise occurred early in the 21st century when liquid-crystal-display sets rocketed in popularity. In 2007, LCDs eclipsed sales of competing technologies like plasma, cathode ray tube, and rear-projection TVs.
They were thinner and lighter, easier to scale. And for the manufacturers, the cost of production was lower, so it’s easy to see how LCD displays quickly became a favorite with manufacturers and consumers.
Organic light-emitting diode displays, orOLEDsfor short, are a step up from LCDs when it comes to transparent technology. For starters, unlike LCDs, OLEDs do not require the use of a backlight or any other filters due to the use of pixels which produce their own light.
OLEDs are ideal for devices like mobile phones, as consumers are likely to change these regularly, which is less likely with a bigger purchase, like a television.
Lumineq’s Transparent Electroluminescent displays consist of a glass panel with a luminescent phosphorous layer and a circuit board. The circuit board contains the drive and controls which are connected directly to the glass panel making the panel light up.
The transparent electroluminescent displays are good solutions for transportation vehicles such as cars, buses, trucks, trains, trams, boats, and airplanes because they can be laminated in glass and turn windows/windshields into information and functional displays.
It’s viewable from all angles, is visible in all types of weather conditions and is theonlytransparent display capable of working in the most extreme environments, from the freezing temperatures of the Arctic winter to the blistering heat of a desert summer.
However, due to the limitation of monochromatic images, transparent electroluminescent displays shouldn’t be used as entertainment screens in vehicles - they should be used to display only the most critical information in the eye-line of the driver without distractions.
This comparison of different transparent display technologies is conducted by the Ph.D. reseracher Jose Rosa for theImmerSAFE project. The project stands for "IMMERSIVE VISUAL TECHNOLOGIES FOR SAFETY-CRITICAL APPLICATIONS".
Each transparent display has its positives and negatives, and they’re all fantastic ways to showcase transparent display technology at its best when applied in areas which suit their purpose perfectly.
HUDs are ideal for planes and cars, however, Lumineq’s in-glass displays rival HUDs, doing an equally good job with the bonus of it using less space and costing less to implement too.
Lumineq’s transparent electroluminescent displays are ideal in transportation vehicles, heavy machinery, such as tractors, and optical devices, like range-finders and night-vision goggles.
To read how in-glass technology is making giant strides in optical devices, read our post ‘Bring augmented reality to optical devices with transparent displays’, or to find out more about Lumineq"s transparent electroluminescent technology,contact ustoday.
As exciting as these unlimited possibilities are, they also create a new need for understanding and embracing the benefits of see-through displays. The eBook from below will provide you with ideas, inspiration, basic guidelines and industry examples for designing transparent displays for vehicles – from cars, tractors, and ships to aircraft.
A large transparent liquid crystal display (LCD) prototype with ultrahigh transmittance and good see-through property is demonstrated in this paper. The transmittance reaches more than 20% by introducing the RGBW pixel arrangement, a thin color filter process, a large aperture ratio design, as well as antireflective polarizer film. The see-through image quality is also greatly improved by suppressing the blurring by using domain reduction pixel design. All these approaches are applicable for large LCD panel products, and we expect broad applications of large transparent LCDs in the near future.
From cinema content to motion-based digital art, Planar® Luxe MicroLED Displays offer a way to enrich distinctive spaces. HDR support and superior dynamic range create vibrant, high-resolution canvases for creative expression and entertainment. Leading-edge MicroLED technology, design adaptability and the slimmest profiles ensure they seamlessly integrate with architectural elements and complement interior décor.
From cinema content to motion-based digital art, Planar® Luxe Displays offer a way to enrich distinctive spaces. These professional-grade displays provide vibrant, high-resolution canvases for creative expression and entertainment. Leading-edge technology, design adaptability and the slimmest profiles ensure they seamlessly integrate with architectural elements and complement interior decor.
From cinema content to motion-based digital art, Planar® Luxe MicroLED Displays offer a way to enrich distinctive spaces. HDR support and superior dynamic range create vibrant, high-resolution canvases for creative expression and entertainment. Leading-edge MicroLED technology, design adaptability and the slimmest profiles ensure they seamlessly integrate with architectural elements and complement interior décor.
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Since 1983, Planar display solutions have benefitted countless organizations in every application. Planar displays are usually front and center, dutifully delivering the visual experiences and critical information customers need, with proven technology that is built to withstand the rigors of constant use.
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A touchscreen or touch screen is the assembly of both an input ("touch panel") and output ("display") device. The touch panel is normally layered on the top of an electronic visual display of an information processing system. The display is often an LCD, AMOLED or OLED display while the system is usually use in laptop, tablet, or smartphone. A user can give input or control the information processing system through simple or multi-touch gestures by touching the screen with a special stylus or one or more fingers.zooming to increase the text size.
The touchscreen enables the user to interact directly with what is displayed, rather than using a mouse, touchpad, or other such devices (other than a stylus, which is optional for most modern touchscreens).
The popularity of smartphones, tablets, and many types of information appliances is driving the demand and acceptance of common touchscreens for portable and functional electronics. Touchscreens are found in the medical field, heavy industry, automated teller machines (ATMs), and kiosks such as museum displays or room automation, where keyboard and mouse systems do not allow a suitably intuitive, rapid, or accurate interaction by the user with the display"s content.
The prototypeCERNFrank Beck, a British electronics engineer, for the control room of CERN"s accelerator SPS (Super Proton Synchrotron). This was a further development of the self-capacitance screen (right), also developed by Stumpe at CERN
One predecessor of the modern touch screen includes stylus based systems. In 1946, a patent was filed by Philco Company for a stylus designed for sports telecasting which, when placed against an intermediate cathode ray tube display (CRT) would amplify and add to the original signal. Effectively, this was used for temporarily drawing arrows or circles onto a live television broadcast, as described in US 2487641A, Denk, William E, "Electronic pointer for television images", issued 1949-11-08. Later inventions built upon this system to free telewriting styli from their mechanical bindings. By transcribing what a user draws onto a computer, it could be saved for future use. See US 3089918A, Graham, Robert E, "Telewriting apparatus", issued 1963-05-14.
The first finger driven touch screen was developed by Eric Johnson, of the Royal Radar Establishment located in Malvern, England, who described his work on capacitive touchscreens in a short article published in 1965Frank Beck and Bent Stumpe, engineers from CERN (European Organization for Nuclear Research), developed a transparent touchscreen in the early 1970s,In the mid-1960s, another precursor of touchscreens, an ultrasonic-curtain-based pointing device in front of a terminal display, had been developed by a team around Rainer Mallebrein[de] at Telefunken Konstanz for an air traffic control system.Einrichtung" ("touch input facility") for the SIG 50 terminal utilizing a conductively coated glass screen in front of the display.
In 1972, a group at the University of Illinois filed for a patent on an optical touchscreenMagnavox Plato IV Student Terminal and thousands were built for this purpose. These touchscreens had a crossed array of 16×16 infrared position sensors, each composed of an LED on one edge of the screen and a matched phototransistor on the other edge, all mounted in front of a monochrome plasma display panel. This arrangement could sense any fingertip-sized opaque object in close proximity to the screen. A similar touchscreen was used on the HP-150 starting in 1983. The HP 150 was one of the world"s earliest commercial touchscreen computers.infrared transmitters and receivers around the bezel of a 9-inch Sony cathode ray tube (CRT).
In 1977, an American company, Elographics – in partnership with Siemens – began work on developing a transparent implementation of an existing opaque touchpad technology, U.S. patent No. 3,911,215, October 7, 1975, which had been developed by Elographics" founder George Samuel Hurst.World"s Fair at Knoxville in 1982.
In 1984, Fujitsu released a touch pad for the Micro 16 to accommodate the complexity of kanji characters, which were stored as tiled graphics.Sega released the Terebi Oekaki, also known as the Sega Graphic Board, for the SG-1000 video game console and SC-3000 home computer. It consisted of a plastic pen and a plastic board with a transparent window where pen presses are detected. It was used primarily with a drawing software application.
Touch-sensitive control-display units (CDUs) were evaluated for commercial aircraft flight decks in the early 1980s. Initial research showed that a touch interface would reduce pilot workload as the crew could then select waypoints, functions and actions, rather than be "head down" typing latitudes, longitudes, and waypoint codes on a keyboard. An effective integration of this technology was aimed at helping flight crews maintain a high level of situational awareness of all major aspects of the vehicle operations including the flight path, the functioning of various aircraft systems, and moment-to-moment human interactions.
In the early 1980s, General Motors tasked its Delco Electronics division with a project aimed at replacing an automobile"s non-essential functions (i.e. other than throttle, transmission, braking, and steering) from mechanical or electro-mechanical systems with solid state alternatives wherever possible. The finished device was dubbed the ECC for "Electronic Control Center", a digital computer and software control system hardwired to various peripheral sensors, servos, solenoids, antenna and a monochrome CRT touchscreen that functioned both as display and sole method of input.stereo, fan, heater and air conditioner controls and displays, and was capable of providing very detailed and specific information about the vehicle"s cumulative and current operating status in real time. The ECC was standard equipment on the 1985–1989 Buick Riviera and later the 1988–1989 Buick Reatta, but was unpopular with consumers—partly due to the technophobia of some traditional Buick customers, but mostly because of costly technical problems suffered by the ECC"s touchscreen which would render climate control or stereo operation impossible.
Multi-touch technology began in 1982, when the University of Toronto"s Input Research Group developed the first human-input multi-touch system, using a frosted-glass panel with a camera placed behind the glass. In 1985, the University of Toronto group, including Bill Buxton, developed a multi-touch tablet that used capacitance rather than bulky camera-based optical sensing systems (see History of multi-touch).
In 1987, Casio launched the Casio PB-1000 pocket computer with a touchscreen consisting of a 4×4 matrix, resulting in 16 touch areas in its small LCD graphic screen.
Touchscreens had a bad reputation of being imprecise until 1988. Most user-interface books would state that touchscreen selections were limited to targets larger than the average finger. At the time, selections were done in such a way that a target was selected as soon as the finger came over it, and the corresponding action was performed immediately. Errors were common, due to parallax or calibration problems, leading to user frustration. "Lift-off strategy"University of Maryland Human–Computer Interaction Lab (HCIL). As users touch the screen, feedback is provided as to what will be selected: users can adjust the position of the finger, and the action takes place only when the finger is lifted off the screen. This allowed the selection of small targets, down to a single pixel on a 640×480 Video Graphics Array (VGA) screen (a standard of that time).
Sears et al. (1990)human–computer interaction of the time, describing gestures such as rotating knobs, adjusting sliders, and swiping the screen to activate a switch (or a U-shaped gesture for a toggle switch). The HCIL team developed and studied small touchscreen keyboards (including a study that showed users could type at 25 wpm on a touchscreen keyboard), aiding their introduction on mobile devices. They also designed and implemented multi-touch gestures such as selecting a range of a line, connecting objects, and a "tap-click" gesture to select while maintaining location with another finger.
Touchscreens would not be popularly used for video games until the release of the Nintendo DS in 2004.Apple Watch being released with a force-sensitive display in April 2015.
A resistive touchscreen panel comprises several thin layers, the most important of which are two transparent electrically resistive layers facing each other with a thin gap between. The top layer (that which is touched) has a coating on the underside surface; just beneath it is a similar resistive layer on top of its substrate. One layer has conductive connections along its sides, the other along top and bottom. A voltage is applied to one layer and sensed by the other. When an object, such as a fingertip or stylus tip, presses down onto the outer surface, the two layers touch to become connected at that point.voltage dividers, one axis at a time. By rapidly switching between each layer, the position of pressure on the screen can be detected.
Resistive touch is used in restaurants, factories and hospitals due to its high tolerance for liquids and contaminants. A major benefit of resistive-touch technology is its low cost. Additionally, as only sufficient pressure is necessary for the touch to be sensed, they may be used with gloves on, or by using anything rigid as a finger substitute. Disadvantages include the need to press down, and a risk of damage by sharp objects. Resistive touchscreens also suffer from poorer contrast, due to having additional reflections (i.e. glare) from the layers of material placed over the screen.3DS family, and the Wii U GamePad.
Surface acoustic wave (SAW) technology uses ultrasonic waves that pass over the touchscreen panel. When the panel is touched, a portion of the wave is absorbed. The change in ultrasonic waves is processed by the controller to determine the position of the touch event. Surface acoustic wave touchscreen panels can be damaged by outside elements. Contaminants on the surface can also interfere with the functionality of the touchscreen.
A capacitive touchscreen panel consists of an insulator, such as glass, coated with a transparent conductor, such as indium tin oxide (ITO).electrostatic field, measurable as a change in capacitance. Different technologies may be used to determine the location of the touch. The location is then sent to the controller for processing. Touchscreens that use silver instead of ITO exist, as ITO causes several environmental problems due to the use of indium.complementary metal-oxide-semiconductor (CMOS) application-specific integrated circuit (ASIC) chip, which in turn usually sends the signals to a CMOS digital signal processor (DSP) for processing.
Unlike a resistive touchscreen, some capacitive touchscreens cannot be used to detect a finger through electrically insulating material, such as gloves. This disadvantage especially affects usability in consumer electronics, such as touch tablet PCs and capacitive smartphones in cold weather when people may be wearing gloves. It can be overcome with a special capacitive stylus, or a special-application glove with an embroidered patch of conductive thread allowing electrical contact with the user"s fingertip.
Some capacitive display manufacturers continue to develop thinner and more accurate touchscreens. Those for mobile devices are now being produced with "in-cell" technology, such as in Samsung"s Super AMOLED screens, that eliminates a layer by building the capacitors inside the display itself. This type of touchscreen reduces the visible distance between the user"s finger and what the user is touching on the screen, reducing the thickness and weight of the display, which is desirable in smartphones.
A simple parallel-plate capacitor has two conductors separated by a dielectric layer. Most of the energy in this system is concentrated directly between the plates. Some of the energy spills over into the area outside the plates, and the electric field lines associated with this effect are called fringing fields. Part of the challenge of making a practical capacitive sensor is to design a set of printed circuit traces which direct fringing fields into an active sensing area accessible to a user. A parallel-plate capacitor is not a good choice for such a sensor pattern. Placing a finger near fringing electric fields adds conductive surface area to the capacitive system. The additional charge storage capacity added by the finger is known as finger capacitance, or CF. The capacitance of the sensor without a finger present is known as parasitic capacitance, or CP.
In this basic technology, only one side of the insulator is coated with a conductive layer. A small voltage is applied to the layer, resulting in a uniform electrostatic field. When a conductor, such as a human finger, touches the uncoated surface, a capacitor is dynamically formed. The sensor"s controller can determine the location of the touch indirectly from the change in the capacitance as measured from the four corners of the panel. As it has no moving parts, it is moderately durable but has limited resolution, is prone to false signals from parasitic capacitive coupling, and needs calibration during manufacture. It is therefore most often used in simple applications such as industrial controls and kiosks.
Projected capacitive touch (PCT; also PCAP) technology is a variant of capacitive touch technology but where sensitivity to touch, accuracy, resolution and speed of touch have been greatly improved by the use of a simple form of
Some modern PCT touch screens are composed of thousands of discrete keys,etching a single conductive layer to form a grid pattern of electrodes, by etching two separate, perpendicular layers of conductive material with parallel lines or tracks to form a grid, or by forming an x/y grid of fine, insulation coated wires in a single layer . The number of fingers that can be detected simultaneously is determined by the number of cross-over points (x * y) . However, the number of cross-over points can be almost doubled by using a diagonal lattice layout, where, instead of x elements only ever crossing y elements, each conductive element crosses every other element .
In some designs, voltage applied to this grid creates a uniform electrostatic field, which can be measured. When a conductive object, such as a finger, comes into contact with a PCT panel, it distorts the local electrostatic field at that point. This is measurable as a change in capacitance. If a finger bridges the gap between two of the "tracks", the charge field is further interrupted and detected by the controller. The capacitance can be changed and measured at every individual point on the grid. This system is able to accurately track touches.
Unlike traditional capacitive touch technology, it is possible for a PCT system to sense a passive stylus or gloved finger. However, moisture on the surface of the panel, high humidity, or collected dust can interfere with performance.
This is a common PCT approach, which makes use of the fact that most conductive objects are able to hold a charge if they are very close together. In mutual capacitive sensors, a capacitor is inherently formed by the row trace and column trace at each intersection of the grid. A 16×14 array, for example, would have 224 independent capacitors. A voltage is applied to the rows or columns. Bringing a finger or conductive stylus close to the surface of the sensor changes the local electrostatic field, which in turn reduces the mutual capacitance. The capacitance change at every individual point on the grid can be measured to accurately determine the touch location by measuring the voltage in the other axis. Mutual capacitance allows multi-touch operation where multiple fingers, palms or styli can be accurately tracked at the same time.
Self capacitance is far more sensitive than mutual capacitance and is mainly used for single touch, simple gesturing and proximity sensing where the finger does not even have to touch the glass surface.
Capacitive touchscreens do not necessarily need to be operated by a finger, but until recently the special styli required could be quite expensive to purchase. The cost of this technology has fallen greatly in recent years and capacitive styli are now widely available for a nominal charge, and often given away free with mobile accessories. These consist of an electrically conductive shaft with a soft conductive rubber tip, thereby resistively connecting the fingers to the tip of the stylus.
Infrared sensors mounted around the display watch for a user"s touchscreen input on this PLATO V terminal in 1981. The monochromatic plasma display"s characteristic orange glow is illustrated.
An infrared touchscreen uses an array of X-Y infrared LED and photodetector pairs around the edges of the screen to detect a disruption in the pattern of LED beams. These LED beams cross each other in vertical and horizontal patterns. This helps the sensors pick up the exact location of the touch. A major benefit of such a system