microchip lcd display pricelist

PMS-101F-001-Iisa10.1"" Industrial Embedded Systems, composed of a 10.1” 1280*800IPS Type TFT LCD, a capacitive touch panel, a CNC front cover, a back stand, a back cover and a silicone sealand an industrial linux system controller board.

PMS-1040F-001-I isa10.4"" Industrial Embedded Systems, composed of a 10.4” 1024*768IPS Type TFT LCD, a capacitive touch panel, a CNC front cover, a back stand, a back cover and a silicone sealand an industrial linux system controller board.

I looked at a few libraries (Arduino ones) to get inspiration. In LCD_I2C_PCF8574.c I have added a lot of background and links to where you can get hold of other source, documentation and data on the PIC18F2685, I2C, the LCD and IO expander should you be so inclined. I also added a link to the library I ripped for the character generation. Thanks Mario. This file also contains details on how you may want to customise to your implementation, these are tagged with "TODO adapt" so you can use the MPLABX task list to grab them.

I took all my details/nomenclature etc. from an Hitachi hard copy LCD manual (yes hard copy, real paper an"all!) I obtained in the early 1980"s when we were still printing on flattened trees.

The code in main.c exercises all the functionality of the display including reading DD and CG ram and the busy flag. It should give a good heads up on how to use the library. I included a link to a YouTube Video so you can see it"s potential.

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Our company specializes in developing solutions that arerenowned across the globe and meet expectations of the most demanding customers. Orient Display can boast incredibly fast order processing - usually it takes us only 4-5 weeks to produce LCD panels and we do our best to deliver your custom display modules, touch screens or TFT and IPS LCD displays within 5-8 weeks. Thanks to being in the business for such a noteworthy period of time, experts working at our display store have gained valuable experience in the automotive, appliances, industrial, marine, medical and consumer electronics industries. We’ve been able to create top-notch, specialized factories that allow us to manufacture quality custom display solutions at attractive prices. Our products comply with standards such as ISO 9001, ISO 14001, QC 080000, ISO/TS 16949 and PPM Process Control. All of this makes us the finest display manufacturer in the market.

Without a shadow of a doubt, Orient Display stands out from other custom display manufacturers. Why? Because we employ 3600 specialists, includingmore than 720 engineers that constantly research available solutions in order to refine strategies that allow us to keep up with the latest technologiesand manufacture the finest displays showing our innovative and creative approach. We continuously strive to improve our skills and stay up to date with the changing world of displays so that we can provide our customers with supreme, cutting-edge solutions that make their lives easier and more enjoyable.

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Choosing services offered by Orient Display equals a fair, side-by-side cooperation between the customer and our specialists. In each and every project, we strive to develop the most appropriate concepts and prototypes that allow us to seamlessly deliver satisfactory end-products. Forget about irritating employee turnover - with us, you will always work with a prepared expert informed about your needs.

In a nutshell, Orient Display means 18% of global market share for automotive touch screen displays, emphasis on innovation, flexibility and customer satisfaction.Don"t wait and see for yourself that the game is worth the candle!

It is with widely accept major complaint replacements for original parts, which keeps a right balance between price and quality. It has sustainable supplying chain in China, and all the components of the screen are copy quality. Typically, the LCD screen is from several different factories, the most popular 4 on China market are JK,AUO, LongTeng, and ShenChao. By comparing the brightness and sharpness of the LCD, we found JK is the best quality among them and the second best is AUO. No doubt, the other components on the screen are all copy.

It is better than After Market Basic cause it comes with original laminated flexes and the LCD panel. Other components like touch panel, frame(hot pressed), backlight, polarize lens, and OCA is all copy from different factories.

The core components (like LCD and flexes) is 100% original pulled from used iPhone while the frame and touch panel is copy. The touch panel and frame come together with cold pressed glue and assembled together with the LCD by the capable third-party factory which keeps its excellent quality.

No doubt, it is tear down from used iPhone with all the parts 100% original and working perfectly just like an original new screen, it has whatever the original new screen has. The only complaint about this quality is that some of the displays are with 1 or 2 scratches but still be welcome by our critical customers who are requiring good quality.

I am current considering use of this display but have not ordered it yet. I am a little hesitant due to the number of users reporting problems with these displays.

I am in the process of creating a PCB footprint for this display, but when applying the 3D model provided, the hole spacing of the display"s connector pads do not appear to be on a 0.100" grid. Is this an error in the model or are the display"s connector pins on a weird spacing? If so, what is the spacing? Any help would be much appreciated.

I had a project that needed some live data display, and looking for the cheapest low-power solution for our loggers lead me to the Nokia 5110 LCD. Once you get the backlight current under control, you can power the entire display from a digital pin, and if you use shiftout for soft SPI you can then get rid of the Reset and CS control lines. This brings the display down to any four wires you can spare on your build (incl. the power pin) and a ground line. This is much more manageable than what you see with the standard hookup guides if your mc is I/O limited like our pro-mini based loggers:

This LCD (I have the old-old kind) is absolutely my favorite. Yes, it has a board-to-glass connector that ranges from bad to abysmal, but it offers such a simple interface and so many pixels for so little money (obviously less if you buy only the panel.) Here are some clever things I"ve discovered:

Will fully operate on as little as 2.0V. That"s power (Vdd) and i/o. It can be driven at 2MHz at these speeds; in fact, the LCD will work at even lower voltages but the contrast fades quickly and your microcontroller will likely approach its lower voltage limit too.

The LCD will work with the chip-select pin (SCE) tied to ground. This means that if it"s the only device on the SPI bus, don"t bother framing the i/o with a chip-select pin. If the bus is shared, frame the entire transaction, not every individual byte you send to the LCD. Interestingly, the display also seems to work fine with a floating Vdd pin - it must draw sufficient power just from i/o via clamping diodes; not surprising when you consider how low-power it is.

The Vout pin: Looks like you don"t have to worry about it on this product, but the bare LCD will generate positive 6-9V on that pin. This wasn"t totally clear to me from reading the datasheet.

(2) The second command byte (the 0xE0 shown above) is not arbitrary. It is 0x80, or"ed together with a 7-bit Vop value. I found my display to be somewhat sensitive to this value. At Vop=0xBF, my unit was initializing electronically, but had a blank display (or solid-black, I can"t remember now.) Anyway, I had to play with this value, and 0xB3 ended up working for me, so if you are initializing to this sequence and having trouble, try varying this parameter. The technical details of this parameter are explained in the datasheet, section 8.9, but really, you will just have to play with it.

(3) I didn"t find reset/init to be all that tricky, but it"s possibly because I"m powering the display unit from a port pin. That"s right, it only draws somewhere around a mA or less, so I just use an output-configured port pin to run the display VDD. (This lets me turn off the display easily when I want to go into low-power Sleep mode on my micro.) So I let my micro do it"s own reset sequence with all my port pins (including Display VDD, !Reset, and !SCE) at "0", and when I"m ready, I set, in sequence:

(4) !SCE tied to ground - yes, you could, but I"ve had fine results framing each byte with the !SCE signal - there"s nothing wrong with that. Yes, framing a whole transaction is fine, too. Note the datasheet timing diagrams show that !SCE serves a reset function on the incoming serial shift register, so if you ever get a glitch in your serial transmission that gets the bit count off, respecting the !SCE timing (whether on byte- or transaction-basis) will automatically get the display controller"s serial receiver synchronized back up on the next byte or transaction.

(5) If you are using a PIC to run ths thing, and using the PIC"s USART or EUSART in a synchronous mode, be sure to note that the LCD controller expects the MSBit of each byte to be transmitted first on the serial line. The PIC 18F EUSART transmits the LSBit first. For now, I have lots of extra code space, so I"ve wasted a 256-byte section on a lookup table that reverses the bits in a byte. This way, I just write my initialization code normally, and I have a TransmitCommandByte() function that looks up every byte it sends so I don"t have to think about that.

It may be possible to compensate for the low voltage by tweaking the contrast or updating slowly, but in my testing about three years ago journeys beneath 2.0V led to the display whiting slowly out like the face of an inexperienced fighter pilot in an aerobatic manoeuvre.

Thank you! I"m not quite sure I do want an LCD yet, to be honest, I"m just considering the different options available. I"ll check out the Sharp component, thanks!

Advice for others: It took me quite a while to get this working on an ARM Cortex. Since there is no way to read from the LCD, it is very hard to know if SPI is working without doing everything perfectly. SO:

Use the contrast value that Kuy gives (0xE0) or darker - this will cause the display to be all-black so you can confirm it works. THEN you can adjust the value and focus on getting characters to write.

I bought my display from eBay. A dirty cheap bargain from Hong Kong. I must say that it is exactly as the SFE breakout board, but of course, it didn"t work.

The problem I had was solid black display screen. No matter the combination of bias and contrast values that I set. The unit wasn"t totally defective, because under a strong lamp light you could see the display trying to show the letters and pictures that are in the tutorial for Arduino that I got from SFE.

Finally, after a long time of trials, I fixed it--> The problem: the bezel wasn"t tight to the board, so the contacts of the display didn"t work well.

Conclusions: You get what you pay, don"t expect well manufactured products and tested components comming from China at half the price you pay here. And second, it is totally no good idea to start up a new development with new technologies with untrusty material. Maybe you can try some cheap components after you are sure that you are used to certain technology (a display, a sensor, whatever), but don"t try to break the barrier of new knowledge and tricky materials at the same time; because you won"t be able to know who is the faulty.

The problem with these displays, and it seems to be common to all the manufacturers, is that the PCB material is too thin. After a month or two, the board slowly bows away from the glass display panel under pressure from the conductive rubber connector strip. Pressing on the top centre of the metal part of the display makes it work again, but only temporarily.

If the LCD module is soldered to another board and the two top screws installed and tightened carefully to pull the bow out of the module it seems to prevent (or solve) the problem.

The only real fix for this display is to redesign the metal cover with a hold-down tag in the top centre, or make it with a thicker PCB that doesn"t bow under pressure from the connector. Until that happens I won"t be buying any more.

I"m using voltage dividers to supply 3V in the inputs of the LCD, because of the Arduino works in 5V. LCD Vcc and LED are powered from the 3.3V output of the Arduino. The LCD only displayed something when I used: R1=470K,R2=820K. I have tried several values to obtain 3V, but the LCD showed nothing. I don"t understand that.

You"ll want to put a command byte of 0x20 in there, after the 0x14, and before the 0x0C. This is needed to put the display back into its "basic" command set, so it will correctly recognize the 0x0C command byte that puts it into "normal" (not inverse) display mode.

I"m interfacing this LCD with ATMEGA 32. Its been more than a week that I"ve been trying to get it right. All I get is the LED dimming effect. Here is my initialization code..CE=1;

Has anyone played around with minimum and maximum SPI clock rates with this display? I know the datasheet says up to 4 Mbit/s, but assuming this display is the only thing on the particular SPI bus, what"s a good minimum clock rate before you might start to notice delay in the display refresh? I mean TVs are 60 Hz - 120Hz.

I have a similar board made by mib-instruments and bought from ebay years ago. It has been my standard spi test tool because it"s so easy to work with. http://www.ebay.com/itm/Nokia-5110-LCD-84x84-dot-martix-backlight-PCB-RED-/320684678723 (specs http://i1119.photobucket.com/albums/k636/mib_instruments/diy/LCDC2A0SPEC.jpg)

These LCD"s need cleaning. I have an average failure rate of about 15-20% on delivery. The most common problem is that the contrast is too high, and there"s constant flickering / changing of contrast compared to the other 80% of them.

The solution is fairly simple, unclip the LCD from it"s board and clean the pads on the PCB with 99% IPA. Then remove the lcd back plate and contact bar. Sometimes the contact bar is stuck fairly well to the glass, peel off carefully. Clean the contacts on the LCD glass with IPA, if any residue from the contacts is left on, rub it off carefully with IPA / tissue.

I love this little display! I wanted to be able to create images for it but nothing I saw did exactly what I wanted. So I wrote a processing sketch that creates 84x48 squares on the screen and allows you to click to turn them on or off. Also has buttons to invert, move up/down/left/right, and flip horizontally/vertically. Then, it saves the hex data to a text file to copy to your code. You can also load an image (any size, any colors) and it will scale it, convert to b/w, then put it in the rest of the program so that you can alter the pixels or move it. It isn"t perfect for every occasion but I"ve found it useful and I hope others might too. It is heavily commented so it should be easy to figure things out and change them if you want something different. http://thewanderingengineer.com/2014/07/12/nokia-5110-screen-photo-to-bitmap-converter/

Anyone taken these things apart yet? You know the flexible rectangular blocky thing that connects the contact pad on the board to the LCD itself? What are these called?

Got mine running last night and found two problems with the code, one of which was the backslash a couple of others have already noted. Second was that the LCDCharacter() writes two blank vertical lines, one before the character and a second after, when only one is needed. Without the extra blank you get at least one additional character on each line. I"ll probably also move the ASCII font table to PROGMEM space to save on RAM and then start to work on some big digits for a clock.

I"m using this LCD for a large Arduino UNO project, but I"m running out of SRAM memory space. I was wondering if I used PROGMEM on the LCD ASCII array if that would help. If so, does anyone know what the right code for this would be? After looking through a lot of PROGMEM examples, I"m not advance enough to really grasp everything that"s going on. Any help you can give would be a great help. Thanks in advance!

I used one of these LCDs with an Arduino to display GPS information. I wrote a few functions that can display large numbers (28 px high) if anyone is interested, this lets me display speed, heading etc. A writeup of my project is here: http://mechinations.wordpress.com/2014/04/07/gps-sailing/

These are great displays. I ran into a problem using them with the nRF24L01+ radio transciever, which requires the use of the SPI bus. If one attaches both the radio and the display MOSI and SCK pins to pins 13 and 11 as instructed in the hookup guide, the SPI traffic of the other device (in this case the nRF24L01+ radio) will prevent the display from functioning. The easy solution is to move the Nokia 5110 MOSI and SCK pins to any other digital pin. This should be made clear in the hookup guide, where it says there is no choice but to use the hardware SPI pins for the display. I found out that is not true at all. I hope his helps others with the same problem. Despite the occasional bad display these carry much more information that the comparably prices 16 x 2 LCD and use fewer pins too boot. What a deal!

Hello people, is there anyone that can tell me the height of this display. I mean the displays height 45x45 mm is the size but i wonder the thickness of it. Only the display not the pcb. I couldn"t find this info on the datasheet. Best Regards..

This is a great display for the money, certainly the best bang for the buck of you can live with B&W and lower res graphics. I have a lcd driver for Arduino I will post on http://www.marchdvd.com/5110 so take a look there it draws text aligned on pixels boundaries of 8 and draws lines and has invert video options.

I just started messing around with this LCD using a STM32F103 microcontroller running at 72MHz... it works great. The only problem I had, and I suspect others might have if they are using fast processors, is that you have to deliberately introduce the setup and hold time delays on the DC pin... if you don"t you will get spurious pixels written to the display. I used a delay of 10uS, although the spec says 100nS is fine.

I been trying to display 8-10 images as an animation. The individual images all work, but when I trey more than 8 images, nothing happens on the screen, and above 2 images, I get errors in the drawing of the images. Is there some kind of buffer or violent reset I can do so that the data doesnt get jumbled up?

Can someone help me edit the code in the arduino example to display readings from a sensor, I"ve looked through all of the links and searched through the Internet but I couldn"t find an example anywhere, it would really help me if someone could tell me how to do this.

Has someone already been able to get this display to work with an Arduino Due? For some reason I cannot get it to work while it does work perfectly on my Mega. Any ideas why it may not work?

Added a driver for this display to the object-oriented arduino platform; Cosa. Please find example code at https://github.com/mikaelpatel/Cosa/blob/master/examples/Drivers/CosaPCD8544/CosaPCD8544.ino and source code at https://github.com/mikaelpatel/Cosa/blob/master/Cosa/IOStream/Driver/PCD8544.hh.

I just spent the last couple hours struggling with this LCD because of something very stupid of me. I was using an atmega328p in AVR-GCC and using hardware SPI. Thinking i didn"t need MISO I hooked it to DC. The LCD worked absolutely fine until I tried to set the x and y position in the ram. It started acting weird every time I tried it. Finally I put dc to another pin and BAM NO PROBLEMS. Looking back I feel pretty stupid but hopefully this post will save someone else the same mistake. Other than that great LCD for my projects

I used the ASCII font given in the example code in one of my projects and ran across a mystifying bug. I was developing code on a PIC12F675 to drive an OLED through its SPI interface. (Yes there are enough pins and memory to do this!) I was using the HI_TECH C compiler and tried several different approaches and never could get the "]" character to display. After pulling what is left of my hair out for 2 days, I realized there was a "\" in the comment for the previous line of the ASCII font definition which caused the compiler to treat the array entry for ] as a comment! Just replace the "// 5c \" comment with "//5c backslash" and everything works! I don"t know if this effect is peculiar to the HI-TECH compiler only.

The Energia folks have an example program for this LCD and the TI Launchpad written using their Arduino style tooling. I"ve updated their example and added the ability to report back the temperature over a UART. It is a very simple hardware setup since both systems are 3.3v. http://joe.blog.freemansoft.com/2012/08/digital-thermometer-with-ti-lanchpad.html

1) There seems to be a serious issue related to contrast and/or connections between the display and the breakout board. When running "Black on White" text, the background gradually darkens to a black rectangle covering the etire display area but will revert to normal if the centre of the metal surround is squeezed towards the pcb, however, putting a sprig clip on it to keep it comoressed doesn"t seem to cure the problem, but just slows the raste at which it fails - waggle it and it comes good again.

2) I"m really struggling to find unformation on using this display with the Arduino. The example (pcdtest.pde) provided with the Adafruit libraries (Adafruit_PCD8544 and Adafruit_GFX) won"t even compile and the only library I have found that I can make any sense of using is the PCD8544 library from Google (http://code.google.com/p/pcd8544/downloads/detail?name=PCD8544-1.4.zip) and I can"t really uderstand how to do graphics with that.

I tried using the "LCDAssistant" package to create a logo from a graphic that I resized to a b&w jpg of 84x48 but every byte generated was 0x00 so that was not right. I tried fiddling with the settings (flying blind) but still got nowhere - does anybody know the settings for LCDAssistant and this display and has used it successfully?

One of the things that I test regularly is a commercial item that features a 16x4 (HD44780) display. Currently I have a 20x4 on a flying lead that I plug in to determine if a display failure is down the lcd display or the main board.

Is there any way to get the 5110 Graphic Display to work with signals that were feeding to an HD44780? - if I could build that in then I would have a complete multi-testing set up in one box.

Might I suggest you (SFE) source some of the Electronic Assembly"s LCD Dog-S series. I think they would be a step up from these at a reduced price. I don"t think that they website is up to date, but their part number is LED39x41-GR.

I just got 2 of these. Haven"t had a chance to hook them up yet. But I gather that the LEDs are green. Has anyone managed to lift up the display and change the LEDs for white or other color?

I made a little font generator for the Nokia 5110 in the processing programming language (processing.org). It allows you to convert any font and any character that you can display on the screen into a list of hex codes that can be directly used in an embedded system (I"m using msp430). Just type a character and the corresponding hex codes will be in your clipboard and you can copy them into your program. It starts with an example with the chinese character for 5. It should work on any system that can run processing (e.g. mac osx).

I am guessing that you are seeing the PCB bent away from the back of the display, up near the "top" of the display region, when it is viewed in normal operation, right?

This is because this is where the connections are on the back of the "display glass". These connections are carried down into the PCB via a small strip of that elastomeric connector material. This material works by being compressed between the two substrates (the glass and the PCB) to hold it in place and make the connections between the pads on each surface. As a result of being compressed, it puts a force "up" on the glass, and "down" onto the PCB. In this particular design, this has the result of bowing the PCB in the units I have purchased.

I finally got around to running this LCD on my 3310 PCB. It is working fine with one minor problem. The SF 3310 display hides to first line of bytes for some reason and I had to offset everything to compensate. The 5110 doesn"t do this as behaves as expected. I haven"t heard anyone else report this so maybe my initialization code is different.

Using a 3V source, my LCD often worked OK using bias 0x14 like the other examples, but sometimes it would appear gray and faded. The fading would lessen if I touched the panel lightly with my hand for a few seconds, then let go, so maybe it"s a temperature-dependent thing?

Ack! After two days of working nicely with 0x15 bias, I reset the board today, and the LCD appeared way over-dark. I changed the bias back to 0x14 and it looks perfect. What the heck?! I think there must be some temperature-sensing or temperature-dependence going on, so the same init values may produce good-looking results one day but not the next.

Does anyone know whether this can be stripped of its backing so it can be used in transmission? I would love to use this as a modulator for a laser beam. Or if someone knows a similarly cheap transmission LCD that would be fine too.

Stuck. Blank LCD. Added 0x20, changed Vop to 0xB3. Guessing connections may be the issue? 3.3v for LED and VCC. GND to GND. Remainder connected to Arduino via voltage dividers. What am I doing wrong?

This is a great little lcd. When I first wired it up, the backlight was shorted (accidentally) against my 5v rail, so i got some magic smoke, and burnt to LEDs but it re-soldered the offending joints and it works very well now. Something to note: the refresh and write times are much, much slower if you use 5 volt logic. I stuck in a logic level converter and it ran at least 5x faster.

I did the same thing (see my comment above), but I still can"t seem to get anything to display. 3 of the 4 backlight LEDs still light up when I give them power, but I"m wondering what joints you re-soldered to get it to work again.

You can also use FastLCD to convert your bitmaps - google it. It outputs BASIC code, but you just search and replace &h to 0x and you"re grand. It has the added advantage of being an editor for touching up output.

I recently obtained a virtually identical LCD from a Nokia 5160, and although its backlight LEDs are green, not white and conversely use different voltages, I had success hooking up the LEDs" Vcc pin to a PWM capable pin on the microcontroller, allowing me to control backlight intensity (I didn"t need a current limiting resistor for this either, but adding one will help reduce current drain on the controller).

Seems like the PCD8544 library does it"s own SPI bit managing and it really doesn"t like me using the SD library (also talks SPI) at the same time. I"ve made sure I"ve got all the SPI pins matching for both libraries (MISO, MOSI, Clock are the same and each device has it"s own Select), but it looks like the SD.begin() call just breaks the SPI bus for the 5110 and it becomes non-responsive. The LCD works just fine if I don"t initialize the SD library and the SD card works fine if I do initialize the SD card.

I"m pretty sure I tracked down the problem- the PCD8544 library uses software SPI while the SD library uses hardware SPI and I"m pretty sure the Arduino can"t do both over the same SPI clock/miso/mosi pins. Anyone know if this LCD will work with hardware SPI?

I accidentally (well, intentionally, but stupidly) plugged the LED backlight line directly into 5V when I first got this, and I saw (and smelled) the magic black smoke escape. I believe the black smoke only came from one of the backlight LEDs burning out, because I only notice one of them not working now. The other backlight LEDs still light up okay, but I also now seem to be having trouble getting the display to show anything. I"m just wondering if I could have messed anything else up. It seems like others have had their issues with this display, so I was hoping I maybe had something misconfigured. I"m fairly certain I have the pins assigned properly, but maybe I"ll tinker with the contrast. Any recommendations for setting the contrast value?

I"ve had issues with the LCD not showing anything intermittently. You got to make sure that all the connections are secure, and for the reset pulse, be sure to have a delay that"s 30-50 milliseconds long.

As much as I love SFE products and will continue to order from them, this is one product I would not recommend. The connection between the LCD unit itself and the carrier board is via those rubber polymer connectors. All the planets must line up properly for them to work. In this case, the carrier board was warped preventing the connection from working. You will find other such remarks in the comments area.

Out of curiosity - what indication is it giving you that it is powering up, if there is nothing on the display? There are no outputs brought out from the controller, so what feedback are you seeing that leads you to believe it is powering up?

I"ve followed the linked-to Arduino example and I get nothing on the display. Should it just work without any other components? The link mentions a possible cap on VOUT but there"s no such pin. Googling has suggested my Duemilanove"s digital pins will be @5V but I need 3.3V?

Don"t do this. Each divider will be burning 20x the entire amount of current that the display needs to function, and the whole assembly will waste 100x the LCD"s needed power and many, many times more than even the atmega needs to run at full speed. This will kill battery life.

Hi, I just bought this wonderful LCD but I"m having huge huge problems connecting it..could anyone please point me in the right direction? Since there are pins that aren"t metioned in the code, for example the 6 - DNK(MOSI)...

Does anyone know the diode rating and package size, also does anyone know where to get the rubber ferroius connector behind the LCD mine is defective. Has anyone come into issues with the breadboard the LCD is connected to, a few aren"t working for me.

Yes, we have noticed that the PCB was bowing and as a result the LCD now only works when we press down on the metal strip at the top. I hope that only a small number of these LCDs have this problem. We"re expecting a shipment to arrive today, I will be running more tests.

Edit: After leaving glue to dry overnight, LCD simply does not turn on anymore. All the connections are good, but absolutely nothing shows on the LCD now at all. Only the LEDs come on.

Did you get either of the LCDs to display anything, at any time? Is it possible that the connections were OK, but you were not initializing or driving them correctly? Or did they start to work at one point, and then fail at some later point?

When I originally tried to get mine working, I was seeing NOTHING on the display. Then I had to get my initialization sequence correct, and adjusted my Vop value (ultimately using a byte of 0xB3) before the screen would display anything visible at all.

Note that the backlight LED"s are soldered onto the breakout board, and have nothing to do with the circuitry of the controller and LCD. So just because the backlights are shining doesn"t tell you anything about the operability of the LCD itself.

I have two display boards that both work, but I do see the bowing along the "top" edge of the metal bracket. I haven"t taken one apart yet, but I assume this is the edge nearest the elastomeric strip, which is creating this bowing force.

It depends on the code that you are using to control the LCD. If you are using the Arduino example above, the pins are defined in the beginning of the code.

FWIW I have connected this LCD with a 5V power supply to a 5V Arduino board with no level conversion and it worked. Presumably this may reduce the lifetime of the LCD.

I am attempting to use this with a Duemilanove (ATmega328). Up til now, I have been powering it with the 3.3V line, including the LED. The datasheet for the LDC claims: "VDDmax = 5 V if LCD supply voltage is internally generated (voltage generator enabled)." The logic levels should be kept from 2.7V to 3.3V. Since the Duemilanove uses 5V logic levels, I am using a simple voltage divider on the communication line with no issues.

The maximum logic value of 3.3 volts made me cautious of driving the LCDs at the native 5 volts of my Teensy AVR. That said, running purely off 5 volts seems to do no harm to the LCD.

For those interested, I have taken a few measurements of the current draw of the LED backlight of my LCD. As I said earlier, powering the LED with 5V external has caused permanent damage to one, perhaps two of the four LEDs. So, use the following graph at your own risk.

Is there any more documentation available for the additions to the LCD? For example, the datasheet has no information (that I could find, at least) on the LED. Everything seems fine on 3.3V, but what is the current limit on the LED? (note: if it wasn"t for work, I would just mess around with it myself.)

Here is a PicBasic Pro example for the 3310, which should be compatible with the 5110. http://www.picbasic.co.uk/forum/content.php?r=174-Using-Nokia-3310-LCD

Fantastic! It appears from your example link that this uses the same controller as the Nokia 3310 that I"ve already used in past projects. The only thing that made it so cumbersome was trying to connect to its fine pitch press on type connector. This gives me a great low cost display option that is easy to connect to.

If anyone doesn"t have experience with this LCD, take a peak at the Arduino example link above to see just how easy it is to use. If you use plain C on your AVRs, I have sample code on http://tinkerish.com.

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Global monitor panel shipments declined in the first quarter of the year, a report showed on Wednesday, mainly due to Samsung Displays exit from the monitor LCD display manufacturing business and a shortage of semiconductors.

"TrendForce indicates that SDC will exit the monitor LCD panel manufacturing business after it reaches its shipment target of 1.2 million panels in 1H21," it said. "This figure represents a staggering 93.8 percent decline compared to the 19.3 million units of LCD panels that SDC shipped throughout last year."

Samsung Display, the world"s top mobile display panel maker, has been focusing on its migration to next-generation quantum-dot (QD) displays, while withdrawing from the LCD business, reports Yonhap news agency.

But for large LCD panels for TVs, the company recently said it is mulling extending its manufacturing for one more year due to soaring demand from TV makers and rising panel prices.

Today, film has been almost completely replaced by digital-video projectors that are based on one of three imaging technologies: LCD, LCoS, and DLP. All of these technologies offer many advantages over film and CRT projectors—smaller size, lower weight, less heat generation, and more efficient energy usage—and each one has its own strengths and weaknesses for different applications.

The first digital-projection technology was LCD (liquid crystal display). It was conceived by Gene Dolgoff in 1968, but LCD technology was not sufficiently developed to be practical in a projector at the time; that would have to wait until the mid-1980s.

Fig. 1: In many LCD projectors, white light from a lamp is split into its red, green, and blue components using dichroic mirrors. The three colored beams are directed to pass through three LCD panels that form the images associated with each color. Then, the light from the three panels is combined into a full-color image that is projected onto the screen. (Source: Epson)

In some LCD projectors, the light source is a blue laser. With most laser projectors, some of the blue light from the laser hits a spinning wheel coated with phosphor that emits yellow light, which is then split into its red and green components using dichroic mirrors (Fig. 2). The rest of the blue laser light is directed to the blue imager.

Fig. 2: Some LCD projectors use an array of blue lasers as the light source. Some of the blue light is directed to a spinning wheel coated with a phosphor that emits yellow light, which is split into its red and green components. The red, green, and remaining blue-laser light beams are then directed to the LCD imagers. (Source: Epson)

Either way, each beam of red, green, and blue light is directed toward its own LCD imager, which typically measures 0.55-inch to about 1-inch diagonally (Fig. 3) and consists of an array of tiny, transparent cells. These cells are individually and dynamically controlled by electrical signals to allow more or less light to pass through them at any given moment. Each cell can be made transparent, opaque, or translucent in varying degrees based on the signal. As the cells change the amount of light they pass, they form a digital image for each frame in the video signal.

The imager for each color forms a portion of the final image associated with that color, and the image is generally held for each entire frame in the video signal; this process is called sample and hold. Modern LCD imagers can be switched at faster rates—up to 480 times per second—which allows projector designers to implement features such as 3D, frame interpolation, and pixel-shifted UHD (more on that in a moment) instead of holding one image for the entire frame.

The individual cells in an LCD imager measure about 6 to 12 microns across and are surrounded by opaque lines that carry the electrical signals to control each cell"s transparency. These lines occupy a certain percentage of the total area of the imager that can"t be used as part of the image. The percentage of the total area that can be used as part of the image—in other words, the area occupied by the cells themselves—is called the fill factor, which is roughly 80% to 90% for LCD imagers. As a result, it"s possible to see the boundaries around the pixels as you get close to the screen, which is known as the screen-door effect. Some longtime enthusiasts may recall the prominence of screen-door effect in earlier, lower-resolution LCD projectors, though today"s 1080p imagers have greatly reduced its visibility on a typical-size home-theater screen.

Another important characteristic of all digital projection imagers is their inherent or native contrast ratio—that is, the ratio of the most to least light they can pass without enhancements such as a dynamic iris or modulated light source. Epson won"t reveal the native contrast ratio of its LCD imagers, but the company"s UB (Ultra Black) enhancement technology—which incorporates a dynamic iris and light polarization to reduce light scatter in the engine—is known to achieve impressive contrast ratios and black levels when viewed in appropriately dark conditions.

Most modern LCD imagers have resolutions up to 1920x1200 (WUXGA); home-theater models typically use 1920x1080 (1080p) imagers. Higher resolutions are possible but uncommon—I know of only one commercially available projector today that uses LCD imagers with native 3840x2160 (UHD) resolution: the recently introduced Epson Pro L12000QNL, which is designed for large venues such as stadiums and convention halls.

Some home-theater LCD projectors with 1080p imagers simulate UHD resolution with a pixel-shifting technique. The pixel-shifting in Epson"s models is part of a technology suite Epson calls 4K PRO-UHD. In this process, an optical refracting plate oscillates back and forth, shifting the final image diagonally by half a pixel once per frame (Fig. 4). Because the LCD cells can be switched to different levels of transparency much faster than any current frame rate, each set of shifted pixels is independently controllable, doubling the effective number of pixels on the screen. In addition, the pixels overlap, so the pixel grid is more dense, further reducing the screen-door effect.

Such projectors can accept and display a UHD video signal, but the actual number of pixels on the screen is only half of the 8.3 million pixels in the signal. Even so, by many reliable accounts, the image is much sharper and more detailed than a 1080p image. Can the best pixel-shifted 1080p subjectively deliver the same on-screen detail as a projector that renders the full UHD pixel count on the screen? This remains a subject of debate among manufacturers and enthusiasts. Along with the native resolution of the imagers, the level of detail perceived on-screen relies on the execution of the pixel-shifting technology and the associated optics, among other factors.

LCD imagers for projectors are made by Epson and Sony. Epson is the only major manufacturer of consumer-oriented LCD projectors, though it also makes models for business and educational applications as well as large venues. Sony makes a variety of LCD projectors for the business and education markets, and Panasonic offers models for large-venue and commercial installations. Other companies that make LCD projectors for various applications include Christie, Maxell, NEC, Ricoh, and Sharp.

LCoS (liquid crystal on silicon) is a variation of LCD technology. General Electric first demonstrated a low-resolution LCoS projector in the 1970s, but it wasn"t until 1998 that JVC introduced its first SXGA+ (1400x1050) projector using its implementation of LCoS technology, which the company calls D-ILA (Direct Drive Image Light Amplifier). In 2005, Sony introduced its first 1080p home-theater model, the VPL-VW100 (aka "Ruby"), using its own implementation of LCoS—called SXRD (Silicon X-tal Reflective Display)—which was followed by JVC"s DLA-RS1 in 2007.

Like LCD projectors, LCoS projectors separate light into its red, green, and blue components that are directed to three separate LCD-based imagers. But instead of light simply passing through the LCD cells, it is reflected off a shiny surface directly behind the cell array and passes back through the cells again (Fig. 5).

Fig. 5: An LCoS imager includes a layer of LCD material that lets more or less light through each pixel according to the signal it receives. The light passes through the LCD layer and reflects off a mirror before passing back through the LCD layer a second time. (Source: JVC)

The light source in LCoS projectors is often a white lamp, but some use a blue laser and yellow phosphor wheel as the light source, a technology that JVC calls Blu-Escent and Sony calls Z-Phosphor. Either way, as with LCD projectors, the red, green, and blue light beams are directed to their respective imagers. The reflected light from the three imagers is then combined and projected onto a screen through the main lens (Fig. 6).

LCoS imagers today measure 0.7 to 1.3 inches diagonally (Fig. 7). As with LCD, each imager forms its image and generally holds it for each frame. Modern LCoS imagers can switch at rates up to 120 Hz, which allows things like 3D, frame interpolation, and pixel-shifted UHD. At 120 Hz, however, they can"t do pixel-shifted UHD and 3D at the same time.

Fig. 8: JVC claims to have developed a way to control the LCD molecules in the gaps between cells, greatly reducing the screen-door effect. (Source: JVC)

This doubles the number of pixels on the screen, though JVC claims it virtually quadruples the number of pixels, doubling them both vertically and horizontally. So, native 1920x1080 supposedly becomes 3840x2160. But in fact, there are only twice the number of independently controllable pixels on the screen, so 1920x1080 actually becomes 1920x1080x2. Like Epson projectors with 4K PRO-UHD, JVC projectors with 4K e-Shift can accept and display UHD video. In addition, signals with lower resolution, such as 1080p, are upscaled to 4K/UHD within the projector and split into two separate frames that are displayed alternately at 120 Hz.

In any case, red, green, and blue light is directed to DLP imagers, which currently measure from 0.2 inches for small, portable devices to 1.38 inches for digital-cinema projectors; home-theater models today typically use imagers that measure 0.47-inch or 0.66-inch diagonally. However, they work quite differently from LCD or LCoS imagers. Instead of tiny LCD cells, a DLP imager is covered with an array of microscopic mirrors that correspond to the individual pixels (Fig. 10). This type of imager is called a Digital Micromirror Device (DMD).

As in all LCD and LCoS projectors, some DLP projectors use three DMDs, one each for red, green, and blue. However, these so-called 3-chip models are very expensive. Fortunately for consumers, there"s a less-expensive alternative that uses only one DMD.

By comparison, color brightness (aka color light output or CLO) is calculated by adding the maximum brightness of red, green, and blue. Ideally, white and color brightness should be identical, and for all 3-chip projectors—LCD, LCoS, and 3-chip DLP—they are, since white is simply a combination of red, green, and blue. A standard method for measuring color brightness was introduced by SID (Society for Information Display) in 2012.

Why is this important? If a projector"s color brightness is much less than its white brightness, images with saturated colors can appear noticeably dimmer and duller than they would from a projector with equal white and color brightness. You might think this means it is always preferable to have a 3-chip projector that delivers equal white and color brightness, and since all LCD and LCoS projectors are 3-chip designs, you should automatically select one of those. However, depending on the projector, its brightness rating, and the content, ProjectorCentral"s tests suggest there can be trade-offs in perceived contrast or color accuracy that may come into play with 3-chip LCD projectors. ProjectorCentral"s investigation "ANSI Lumens vs Color Light Output: The Debate between LCD and DLP" takes a close look at this subject. There are also many other factors to consider when selecting a projector, such as the quality of signal processing and optics, and the overall cost just to name a few.

LCoS is generally considered to have the best inherent blacks and contrast among today"s projection display technologies. In fact, for most of their history, JVC did not even include a dynamic iris in its LCoS projectors because it wasn"t needed to produce exceptional performance in these areas. More recent models have incorporated a dynamic iris to improve these characteristics even further.

LCD can exhibit excellent blacks and contrast with enhancement techniques such as a dynamic iris and/or dynamic lamp or laser modulation. In particular, Epson"s UB (Ultra Black) technology is effective at improving the level of deep black and boosting contrast by using polarized filters to reduce the amount of stray light inside the light engine that would otherwise make its way to the screen.

By comparison, many of the 1-chip DLP projectors I"ve reviewed over the years have had black levels and contrast that lagged well behind the best LCoS and LCD projectors. Of course, this doesn"t mean that DLP projectors always have worse or poor contrast. A projector"s overall brightness rating also has an effect on contrast (brighter projectors typically have higher black levels), and as with LCD and LCoS, enhancements like a dynamic iris and/or dynamic light modulation can help a lot. Still, ProjectorCentral"s comparison reviews, which directly face-off similar, calibrated home-theater projectors in the same environment, often report better contrast in dark images with LCD and LCoS models compared to single-chip DLP projectors.

Along with inherently better contrast, another advantage of LCoS among the three technologies is the availability and relative affordability of native-4K resolution. JVC and Sony both offer LCoS projectors with native 4K (4096x2160) resolution for as little as $5,000 to $6,000. DLP with native-4K resolution is available only in digital-cinema and other super-high-end projectors, which run well into six figures, and LCD projectors are not available with native 4K or UHD resolution at all as of this writing (except for the one large-venue model from Epson mentioned earlier).

Some Epson LCD and JVC LCoS models offer two-phase pixel shifting with native 1080p (1920x1080) imagers, which puts 4.15 million pixels on the screen. This is not true UHD, which would require 8.3 million pixels to be delivered to the screen for each frame. However, many respected reviewers have reported that the image from these projectors is subjectively sharper than true 1080p, and that the difference between double-pixel-shifted 1080p and true UHD is minimal. Of course, here again, other factors, including the quality of the image processing and the lens optics, also come into play in these comparisons.

Many LCD, LCoS, and 3-chip DLP projectors offer a pixel-alignment function that lets users shift the red, green, and/or blue pixels by tiny amounts to correct an imperfect factory alignment. In some cases, you can even shift different zones within the image by different amounts.

Whether you"re shopping for a budget model for a dedicated home theater or an expensive state-of-the-art projector for a large-venue installation, cost is almost always a factor. The most expensive projectors today tend to be ultra-high-brightness LCD or 3-chip DLP, while LCD and 1-chip DLP tend to be the least-expensive options among digital projectors, with prices today starting as low as $250. However, the resolution of these models is typically less than 1080p, or they feature low-light LED engines, making them unsuitable for serious home theater.

Today, decent 1080p home-theater projectors typically start around $450 and go up from there. If you search by resolution and price in ProjectorCentral"s Find a Projector Database (which lists more than 11,000 current and past projectors), home-theater projectors in the $450 to $1,000 range are almost entirely dominated by 1-chip DLP models from several major brands, including BenQ, Optoma, ViewSonic, Acer, Vivitek, and others. Epson—the only major brand selling LCD projectors for home theater, is represented by a trio of Home Cinema series models in this price range starting at $649.

The lowest-cost UHD models are found in the $1,000 to $2,000 range and include both 1-chip DLP projectors with full UHD resolution (achieved with pixel-shifting) and 3-chip LCD projectors (the latter only from Epson) that have native 1080p imagers but are UHD-compliant and apply pixel-shifting to enhance apparent resolution. Here again, the vast majority are single-chip DLP models. Of course, there are much more expensive—and higher performance—1-chip DLP projectors in the marketplace that utilize the same pixel-shifting XPR technology found in the budget DLP models, though brighter projectors often feature the larger 0.66-inch DMD with native 2716x1528 resolution, which uses only two-phase TRP pixel-shifting instead of the four-phase XPR quadrupling required for the 0.47-inch, native-1080p DMD.

LCoS is generally more expensive than consumer-oriented LCD and 1-chip DLP, and as noted earlier, the home-theater market for this technology is dominated by just two manufacturers, JVC and Sony. The lowest-cost LCoS projector in the ProjectorCentral database is a Sony model with 1080p resolution that costs $1,999. JVC"s current LCoS models start with the $3,999 DLA-X790/RS540 model mentioned earlier (until it is phased out), which uses a 1080p imager with e-Shift dual pixel-shifting. Beyond these are native-4K models from both manufacturers, starting at $4,999 for Sony and $5,999 for JVC. Wolf Cinema also offers its own LCoS projectors based on JVC chassis, including native 4K models, starting at $15,000.

@Rob Sabin My pricing example was indeed a bit off. I think the €3000 to €6000 price range is becoming more important for consumers who are upgrading from the €1500 to €3000 price range. Although Epson did showcase their first 1.64 inch (HTPS) TFT 4096 x 2169 panel back in 2009, this market segment hasn’t really changed for true native 4K projector’s since the release of the Sony VPL285ES back in 2017. And it’s successor is also still priced at €4999. With the upcoming release of Epson’s new EB-L12000Q it is highly unlikely that the UB series are getting this kind of 4K panel or a scaled down version of it. I am waiting to see the next generation of Epson’s UB series with a higher resolution or sharpness, to fill the gap between the LCD forefront and the LCOS forefront currently dominated by JVC and Sony (for the consumer market).