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Flat-panel displays are thin panels of glass or plastic used for electronically displaying text, images, or video. Liquid crystal displays (LCD), OLED (organic light emitting diode) and microLED displays are not quite the same; since LCD uses a liquid crystal that reacts to an electric current blocking light or allowing it to pass through the panel, whereas OLED/microLED displays consist of electroluminescent organic/inorganic materials that generate light when a current is passed through the material. LCD, OLED and microLED displays are driven using LTPS, IGZO, LTPO, and A-Si TFT transistor technologies as their backplane using ITO to supply current to the transistors and in turn to the liquid crystal or electroluminescent material. Segment and passive OLED and LCD displays do not use a backplane but use indium tin oxide (ITO), a transparent conductive material, to pass current to the electroluminescent material or liquid crystal. In LCDs, there is an even layer of liquid crystal throughout the panel whereas an OLED display has the electroluminescent material only where it is meant to light up. OLEDs, LCDs and microLEDs can be made flexible and transparent, but LCDs require a backlight because they cannot emit light on their own like OLEDs and microLEDs.

Liquid-crystal display (or LCD) is a thin, flat panel used for electronically displaying information such as text, images, and moving pictures. They are usually made of glass but they can also be made out of plastic. Some manufacturers make transparent LCD panels and special sequential color segment LCDs that have higher than usual refresh rates and an RGB backlight. The backlight is synchronized with the display so that the colors will show up as needed. The list of LCD manufacturers:

Organic light emitting diode (or OLED displays) is a thin, flat panel made of glass or plastic used for electronically displaying information such as text, images, and moving pictures. OLED panels can also take the shape of a light panel, where red, green and blue light emitting materials are stacked to create a white light panel. OLED displays can also be made transparent and/or flexible and these transparent panels are available on the market and are widely used in smartphones with under-display optical fingerprint sensors. LCD and OLED displays are available in different shapes, the most prominent of which is a circular display, which is used in smartwatches. The list of OLED display manufacturers:

MicroLED displays is an emerging flat-panel display technology consisting of arrays of microscopic LEDs forming the individual pixel elements. Like OLED, microLED offers infinite contrast ratio, but unlike OLED, microLED is immune to screen burn-in, and consumes less power while having higher light output, as it uses LEDs instead of organic electroluminescent materials, The list of MicroLED display manufacturers:

LCDs are made in a glass substrate. For OLED, the substrate can also be plastic. The size of the substrates are specified in generations, with each generation using a larger substrate. For example, a 4th generation substrate is larger in size than a 3rd generation substrate. A larger substrate allows for more panels to be cut from a single substrate, or for larger panels to be made, akin to increasing wafer sizes in the semiconductor industry.

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One of today’s modern technological wonders is the flat-panel liquid crystal display (LCD) screen, which is the key component we find inside televisions, computer monitors, smartphones, and an ever-proliferating range of gadgets that display information electronically.What most people don’t realize is how complex and sophisticated the manufacturing process is. The entire world’s supply is made within two time zones in East Asia. Unless, of course, the factory proposed by Foxconn for Wisconsin actually gets built.

Liquid crystal display (LCD) screens are manufactured by assembling a sandwich of two thin sheets of glass.On one of the sheets are transistor “cells” formed by first depositing a layer of indium tin oxide (ITO), an unusual metal alloy that you can actually see through.That’s how you can get electrical signals to the middle of a screen.Then you deposit a layer of silicon, followed by a process that builds millions of precisely shaped transistor parts.This patterning step is repeated to build up tiny little cells, one for each dot (known as a pixel) on the screen.Each step has to be precisely aligned to the previous one within a few microns.Remember, the average human hair is 40 microns in diameter.

On the other sheet of glass, you make an array of millions of red, green, and blue dots in a black matrix, called a color filter array (CFA).This is how you produce the colors when you shine light through it.Then you drop tiny amounts of liquid crystal material into the cells on the first sheet and glue the two sheets together.You have to align the two sheets so the colored dots sit right on top of the cells, and you can’t be off by more than a few microns in each direction anywhere on the sheet.The sandwich is next covered with special sheets of polarizing film, and the sheets are cut into individual “panels” – a term that is used to describe the subassembly that actually goes into a TV.

For the sake of efficiency, you would like to make as many panels on a sheet as possible, within the practical limitations of how big a sheet you can handle at a time.The first modern LCD Fabs built in the early 1990s made sheets the size of a single notebook computer screen, and the size grew over time. A Gen 5 sheet, from around 2003, is 1100 x 1300 mm, while a Gen 10.5 sheet is 2940 x 3370 mm (9.6 x 11 ft).The sheets of glass are only 0.5 - 0.7 mm thick or sometimes even thinner, so as you can imagine they are extremely fragile and can really only be handled by robots.The Hefei Gen 10.5 fab is designed to produce the panels for either eight 65 inch or six 75 inch TVs on a single mother glass.If you wanted to make 110 inch TVs, you could make two of them at a time.

The fab is enormous, 1.3 km from one end to the other, divided into three large buildings connected by bridges.LCD fabs are multi-story affairs.The main equipment floor is sandwiched between a ground floor that is filled with chemical pipelines, power distribution, and air handling equipment, and a third floor that also has a lot of air handling and other mechanical equipment.The main equipment floor has to provide a very stable environment with no vibrations, so an LCD fab typically uses far more structural steel in its construction than a typical skyscraper.I visited a Gen 5 fab in Taiwan in 2003, and the plant manager there told me they used three times as much structural steel as Taipei 101, which was the world’s tallest building from 2004- 2010.Since the equipment floor is usually one or two stories up, there are large loading docks on the outside of the building.When they bring the manufacturing equipment in, they load it onto a platform and hoist it with a crane on the outside of the building.That’s one way to recognize an LCD fab from the outside – loading docks on high floors that just open to the outdoors.

LCD fabs have to maintain strict standards of cleanliness inside.Any dust particles in the air could cause defects in the finished displays – tiny dark spots or uneven intensities on your screen.That means the air is passed through elaborate filtration systems and pushed downwards from the ceiling constantly.Workers have to wear special clean room protective clothing and scrub before entering to minimize dust particles or other contamination.People are the largest source of particles, from shedding dead skin cells, dust from cosmetic powders, or smoke particles exhaled from the lungs of workers who smoke.Clean rooms are rated by the number of particles per cubic meter of air.A class 100 cleanroom has less than 100 particles less than 0.3 microns in diameter per cubic meter of air, Class 10 has less than 10 particles, and so on. Fab 9 has hundeds of thousands of square meters of Class 100 cleanroom, and many critical areas like photolithography are Class 10.In comparison, the air in Harvard Square in Cambridge, MA is roughly Class 8,000,000, and probably gets substantially worse when an MBTA bus passes through.

The Hefei Gen 10.5 is one of the most sophisticated manufacturing plants in the world.On opening day for the fab, BOE shipped panels to Sony, Samsung Electronics, LG Electronics, Vizio, and Haier.So if you have a new 65 or 75-inch TV, there is some chance the LCD panel came from here.

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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 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.

a line of extreme and ultra-narrow bezel LCD displays that provides a video wall solution for demanding requirements of 24x7 mission-critical applications and high ambient light environments

In the past decade, LCD monitors have replaced CRT screens for all but the most specialist applications. Although liquid crystal displays boast perfect

Samsung Display will stop producing LCD panels by the end of the year. The display maker currently runs two LCD production lines in South Korea and two in China, according to Reuters. Samsung tells The Verge that the decision will accelerate the company’s move towards quantum dot displays, while ZDNetreports that its future quantum dot TVs will use OLED rather than LCD panels.

The decision comes as LCD panel prices are said to be falling worldwide. Last year, Nikkei reported that Chinese competitors are ramping up production of LCD screens, even as demand for TVs weakens globally. Samsung Display isn’t the only manufacturer to have closed down LCD production lines. LG Display announced it would be ending LCD production in South Korea by the end of the 2020 as well.

Last October Samsung Display announced a five-year 13.1 trillion won (around $10.7 billion) investment in quantum dot technology for its upcoming TVs, as it shifts production away from LCDs. However, Samsung’s existing quantum dot or QLED TVs still use LCD panels behind their quantum dot layer. Samsung is also working on developing self-emissive quantum-dot diodes, which would remove the need for a separate layer.

Samsung’s investment in OLED TVs has also been reported by The Elec. The company is no stranger to OLED technology for handhelds, but it exited the large OLED panel market half a decade ago, allowing rival LG Display to dominate ever since.

Although Samsung Display says that it will be able to continue supplying its existing LCD orders through the end of the year, there are questions about what Samsung Electronics, the largest TV manufacturer in the world, will use in its LCD TVs going forward. Samsung told The Vergethat it does not expect the shutdown to affect its LCD-based QLED TV lineup. So for the near-term, nothing changes.

One alternative is that Samsung buys its LCD panels from suppliers like TCL-owned CSOT and AUO, which already supply panels for Samsung TVs. Last year The Elec reported that Samsung could close all its South Korean LCD production lines, and make up the difference with panels bought from Chinese manufacturers like CSOT, which Samsung Display has invested in.

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And that’s just the tip of the iceberg in terms of potential economic development. Electronics manufacturing facilities of this size and scale aren’t typically built in a geographical void. Instead they help comprise a regional supply, manufacturing, and transportation ecosystem via which a range of materials and components can be locally sourced, assembled into products, and shipped to distributors. It’s increasingly likely then that the supply chain for consumer electronic devices will see an expanding footprint in the midwestern U.S. on the heels of Foxconn’s investment. When the world’s largest contract manufacturer sets up shop in a new territory, others are bound to follow.

The announcement is similarly noteworthy for the components slated to be manufactured at this new facility. Although Foxconn is best known to many in the U.S. for its role in assembling Apple iPhones in China, the new Foxconn fab isn’t targeted to service the lucrative smartphone market. In a move that pivots its attention from small-screen portable devices, the Foxconn facility in Wisconsin will produce LCD displays for large-screen televisions.

The market for LCD display panels is notoriously volatile, prone to upswings and downswings as consumer tastes and market demands shift. Panel suppliers must calibrate their manufacturing capacity accordingly, carefully calculating production and inventory targets to preserve their razor-thin profit margins. In this context, a $10B investment in a new LCD panel fab can be perceived as a major gamble.

But a brand new fab is precisely what’s required to sustain production capacity when transitioning from sub-40-inch displays to displays that are 50 inches and larger – sometimes much larger. You can’t simply upgrade an existing fab to accommodate significantly larger glass panels. Across the entire production line, from the manufacturing tools to the conveyers and beyond, new infrastructure and equipment will be needed.

And yet Foxconn has correctly predicted that a new large-screen LCD display fab is a sound investment to meet growing consumer demand for larger TVs. Experts estimate that global demand for large-sized TVs is growing at an annual rate of more than 20%. Market research firm IHS Markit specifically notes that 65-inch and 75-inch LCD TVs are the fastest growing segments in the LCD TV market, and the 60-inch and above LCD TV market in North America is expected to grow from 4.2 million units in 2015 to 9.5 million units in 2021. Indeed, North America is the biggest market for large-screen LCD displays of 55-inches and above, perhaps a telling reason why Foxconn has expanded its manufacturing operations here.

Bulky, plastic bezels have given way to sleeker designs that maximize screen space and conserve living room space, and the evolution to 4K video and onward to 8K is enabling shorter viewer-to-TV viewing distances. Where previously a standard HD, large-screen TV required a wide viewing berth to compensate for image pixilation, the newest generation of ultra-HD, large screen LCD TVs enable comfortable, closer-range viewing regardless of room size. Factoring in the additional benefits of new quantum dot color enhancement technology, one could make the argument that there’s never been a better time to upgrade our LCD TVs.

First, it’s important to check to see if your remote is the problem. Try turning the TV on using the power button around the screen. If a picture comes on, your remote may be the problem. Still no picture? Try turning the volume up and keeping an ear out for what happens.

If you tried turning the TV all the way up and there’s still no sound or picture, you’ll want to check for an LED light or a small indicator light that tells you the TV has power. If there is no power to the TV while it is plugged in, there may be an issue with the outlet or fuse box in your home.

If there’s no picture showing on your screen, the first thing to check is the input source. Whether it’s a cable box or a video game system, ensure it is turned on and operating correctly. Connect the device to different ports on your TV to see if the port is the issue. If the problem persists, try connecting other devices to your TV or switching from one input setting to another.

Issues with your TV display can be caused by a faulty HDMI cable. Even if your HDMI cable doesn’t appear damaged, it can malfunction due to a short or regular wear and tear. Try testing the HDMI cable on another TV to see if the same problem occurs. Alternatively, try using a different HDMI cable on your malfunctioning TV.

Some TV displays, such as LCD screens, use a backlight to illuminate the picture. If the backlight burns out or stops working, the picture will appear black. To see if your TV’s backlight is causing the problem, make sure your TV is on, and turn off the lights in the room. Shine a flashlight on the screen to see if there’s a picture.

If you can see a picture with the flashlight, then your TV’s backlight is burnt out. If this is the case, you may want to consider upgrading to a new smart TV or contacting your local Rent-A-Center for free repairs and temporary replacements of your Rent-A-Center items.

Are you ready to ditch your old TV and make an upgrade? Rent-A-Center makes it easy to own a new TV, like an LG 65″ 4K UHD Smart TV. From OLED to QLED, we’ve got ultra high definition TVs with picture quality so crisp, you’ll wonder why you didn’t upgrade sooner! Avoid the headache of your old TV, and start your online order today. You can even get same-day delivery on qualifying purchases in select areas!