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WHAT IS MICRO LED? EVERYTHING U NEED TO KNOW | SAMSUNG MICRO LED

2020-05-04T14:31:00.000+05:30

WHAT IS MICRO LED? EVERYTHING U NEED TO KNOW | SAMSUNG MICRO LED

In this post you can find about What is micro led,how a micro led work,Samsung aims to develop micro led in 2020,so why are you waiting just go through the article.

WHAT IS MICRO LED?

MicroLED is a technology used in displays consisting of microscopic light emitting diodes of different colors arranged into an array. Micro LED is also known as micro-LED, mLED or µLED.

Like OLED, microLED is an emissive display technology where the picture elements, also known as pixels, are also the light source. This means emissive display technologies don’t require a separate backlight layer, which allows displays to be thinner than LCD. Unlike OLED, microLED doesn’t require an encapsulation layer making it even thinner. QLED is not an emissive display type as LEDs are used to light quantum dots. Both emissive display types have fast response times. Unlike OLED, microLEDs are not made with organic compounds, but with the more traditional indium gallium nitride (InGaN)-based LEDs that have been shrunk down. The use of InGaN LEDs gives microLED displays greater brightness without degradation and burn-in, which is possible on OLED and an upside of QLED.

WORKING OF MICRO LED

According to Ray Soneira, president of DisplayMate Technologies, MicroLED has "been under development for years." He added that the technology was initially designed for "“small displays like watches and smartphones," but Samsung's idea of bringing it to televisions looks to be a sound one.

"TV is a great application for MicroLEDs because of its much lower pixel density, typically under 100 pixels per inch," Soneira said. Lower pixel density means manufacturers wouldn’t need to pack as many sub-pixels into the screen. The lower the pixel density, the easier it is to manufacture a MicroLED set.

But while MicroLED could technically come to any screen in the future, it's not exactly easy to produce.

"MicroLEDs are literally tiny LEDs that are made one at a time, and then packed and assembled into a display using robots that pick and place them one at a time, first into smaller substrates, and then the substrates are assembled onto the final display," Soneira said. One of the biggest challenges with MicroLEDs is that all of those tiny LEDs need to be calibrated to deliver the same brightness and have the same color controls. This is something Soneira calls a "major challenge."

Just how big of a challenge? According to Soneira, a single 4K television has 25 million of those small subpixels that then need to be assembled together and calibrated. One false step, and the MicroLED display won't deliver the best picture.

SAMSUNG AIMS TO START PRODUCING MICRO LED TVs IN 2020

Digitimes reports that Samsung Electronics has partnered with Taiwan-based Epistar to supply the Korean display maker with micro-LED chips, as it aims to release its first microLED TVs in H2 2020.

According to Digitimes, Epistar will work together with PlayNitride to supply the microLEDs. Epistar is an investor in PlayNitride. Digitimes says that PlayNitride is currently producing over 1,000 6" microLED wafers per month, and is aiming to increase its production capacity to 10,000 monthly wafer this year.

Samsung is already producing microLED TVs - but these emissive displays actually use mini-LEDs (or quasi microLEDs) chips. Moving to smaller microLED chips will enable Samsung to produce smaller displays of higher resolutions. Samsung's current LED supplier for its "microLED TVs" is Sanan Optoelectronics - which is also developing microLED technology and aims to become Samsung's second supplier for such chips.

COMPANIES THAT PRODUCE MICRO LED OTHER THAN SAMSUNG

Samsung was the first to take MicroLED to market, but it's not the only one in the game. LG is working on MicroLED, too, and showed a demo panel at the IFA show in Berlin last year, while Chinese TV giant TCL had a MicroLED TV in its booth at CES 2019. Sony has been working on some variation of direct LED TVs since as early as 2012, and both it and Samsung showed similar technology for movie theaters and other huge-screen commercial uses.

CNET Senior Managing Editor David Katzmaier reports from inside the Samsung booth at CES 2020, where the TV manufacturer is showing off its supersized MicroLED screens.

The tech could also light up tiny screens. Apple currently uses OLED displays for the high-end iPhones and the Apple Watch, but it's reportedly developing its own in-house MicroLED displays for use in mobile devices, starting with the watch. Details are scarce and it'll likely be years (if ever) before Apple brings it to market, but Cupertino's interest provides further evidence that MicroLED could be big.

WHAT ARE THE ADVANTAGES AND DIS ADVANTAGES OF MICRO LED’s

ADVANTAGES

Of course, that’s essentially what OLED already does, but there are clear advantages to MicroLED. The first is increased brightness: while it’s widely thought that OLED is inherently limited to a peak brightness of around 1000 nits, Samsung says its first commercially available MicroLED sets will boast 4000 nits, and could go as high as 10,000 nits in the fairly near future.

Secondly, because MicroLEDs aren’t organic, their lifespan isn’t nearly as short as that of OLEDs. While OLEDs are generally expected to fade in time, Samsung says its MicroLEDs will keep going for around 100,000 hours - that’s over 11 years of non-stop use.

Thirdly, MicroLEDs are very power-efficient, largely because there’s no need for a colour filter for them to shine through. There’s nothing between the LEDs and your eyes, so they can be brighter with less effort.

Fourthly, MicroLEDs should, in the long-run, be fairly cost-effective to produce. That said, the first sets will be prohibitively expensive - more on that below.

Then there are the qualities that MicroLED shares with OLED, such as exceptional thinness (in fact, MicroLED panels could be even thinner than OLEDs), a non-reliance on bezels, and essentially perfect viewing angles.

In other words, MicroLED is designed to take the best of OLED and make it brighter, longer-lasting and more affordable.

DISADVANTAGES

The big disadvantage of MicroLED TVs is how tricky they are to manufacture. Each pixel requiring three LEDs means a 4K set requires 25 million of the tiny things, and mass producing these in perfect alignment and with no variation in brightness is apparently a very serious challenge.

This will likely lead to prices being very high in the first place, although they should come down once the manufacturing process has been refined. IHS Markit predicts MicroLED shipments will rise from under 1000 this year to 15.5m by 2026, thanks to a dramatic drop in manufacturing costs, which should bring the price down drastically.

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WHAT IS OLED AND HOW DOES IT WORK? | FEATURES OF OLED

2020-05-03T20:00:00.000+05:30

WHAT IS OLED AND HOW DOES IT WORK? | FEATURES OF OLED

The “OLED” in OLED TV stands for “organic light-emitting diode. At present OLED is the future of the all LED Technologies

WHAT IS OLED TECHNOLOGY AND ITS FEATURES?

OLED stands for Organic Light-Emitting Diode, with "organic" referring to the carbon film that sits inside the panel before the glass screen. OLED, an advanced form of LED, stands for organic light-emitting diode. Unlike LED, which uses a backlight to provide light to pixels, OLED relies on an organic material made of hydrocarbon chains to emit light when in contact with electricity.

A display technology that consists of small dots of organic polymer which emit light when charged with electricity. OLED displays have several advantages over the LCDs. They are thinner, lighter, brighter, need less power, have better viewing angles, contrast and response time for video and animation. OLEDs are also cheaper and easier to manufacture. On the other hand, LCDs offer better legibility in bright ambient light .Everything They might sound alike, but the processes are completely different.

OLED panels emit their own light when an electric current is passed through, whereas cells in a LCD-LED display require an external light source, like a giant backlight, for brightness. This backlight is what separated LCD screens from their LED variants. A traditional LCD screen has a backlight (called a cold-cathode fluorescent light, or CCFL) which is uniform across the entire back of the screen.

This means that whether the image is black or white, it is being lit by exactly the same brightness across the panel. This reduces what we call "hotspots," or areas of super bright light, because the actual light source illuminating them is uniform.

This all started a few years back when engineers at companies like Samsung and Sony introduced an array of LEDs as a backlight, which meant that if a certain part of the screen was black then those LEDs behind that portion could be turned off to make it appear blacker. This is what separates OLEDs from LCD/LED displays. In an OLED TV display, the pixels themselves are the things producing the light, and so when they need to be black they are able to turn off completely, rather than relying on a backlight to turn off on their behalf.

HOW DOES OLED WORKS?

An OLED screen includes a number of components. Within the structure, called the substrate, is a cathode that provides electrons, an anode that "pulls" the electrons, and a middle portion (the organic layer) that separates them.

Inside the middle layer are two additional layers, one of which is responsible for producing the light and the other for catching the light.

The color of the light that's seen on the OLED display is affected by red, green, and blue layers attached to the substrate. When color is to be black, the pixel can be turned off to ensure that no light is generated for that pixel.

This method to create black is very different than the one used with LED. When a to-be black pixel is set to black on an LED screen, the pixel shutter is closed but the backlight is still emitting light, meaning it never quite goes all the way dark.

WHERE DOES OLED TECHNOLOGY USED?

OLED displays are used in televisions, laptop and desktop computers, cellular phones, digital video cameras, DVD players, PDS’s (personal digital assistants) and car stereos. New technologies that build on the OLED include the FOLED (flexible organic light-emitting display), which promises to bring portable, roll-up displays to the consumer market within the next few years. According to market analysts Display Search, OLED display revenues will grow to $4.5 B by 2011, up from $0.5 B in 2006.

SOME COMMON & FREQUENTLY ASKED QUESTIONS (FAQ's)

1. Is OLED better than LED? They're different. OLED excels in some areas, such as contrast, color accuracy, and black levels – though the low brightness might rub you the wrong way.

2. Why is OLED so expensive? They're expensive and difficult to produce, with a lot of models suffering breakages while on the factory line.

3.Is OLED better than 4K? OLED TVs itself have a crisp 4K resolution, but most of the 4K TVs don't have OLED panels.

ADVANTAGES AND DISADVANTAGES OF OLED

ADVANTAGES

1. OLED have best Picture quality than any other technologies.

OLED SCREEN OF IPHONE

2. OLED have Better viewing angle, High contrast and vivid colors.

3. No Ghosting while watching the Tv.

4. The result is remarkably dark blacks in an image, and when you combine this with the brightness of the whites an OLED panel is able to produce you're left with a fantastically vibrant image.

DISADVANTAGES

Mainly there are only two disadvantages, and they are

1.There is a chance of screen burning.

2. High cost for OLED Technlogy.

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WHAT IS QLED? NEW SAMSUNG QLED TVS EXPLAINED | FEATURES OF QLED

2020-05-02T23:16:00.000+05:30

WHAT IS QLED? NEW SAMSUNG QLED TVS EXPLAINED | FEATURES OF QLED

Discover the new Samsung QLED 2020. QLED is a proprietary panel technology developed for top-tier Samsung TVs. Enjoy the perfect TV enveloped in QLED 8K picture quality.

QLED TV SAMPLE

Are you searching for the information about the display technology called QLED(Light emitting diode),all you have to do is just go through the information given below you will get a clear cut information about the QLED technology. For your easy understanding the some information is structured as question and answer type hope you can understand.

WHAT IS QLED?

If you're on the search for a new television, it's likely you'll have seen the QLED technology during your search. But if you aren't in the know, Samsung's high-end QLED TV technology might sound baffling – and we're here to set you straight on what to expect from QLED, and how it differs from other panels technologies like OLED and LCD.

QLED means – or we think it means – quantum dot light-emitting diode. (That's not to be confused with OLED, which refers to 'organic light emitting diode', and is a competing display technology we won't go into detail on here.)

So what is a quantum dot light-emitting diode – or QLED – display, compared to a regular LCD television?

This Samsung-baked concept is basically just the latest set of enhancements to the same quantum dot technology that the company has been working on for the past few years.

Technically speaking, Samsung's QLED TVs are not QLED at all, well, at least in the way that we understand the term. A 'proper' quantum light-emitting diode element emits its own light – the clue is in the name – whereas Samsung's latest TVs use a separate LCD backlight (and an edge-lit backlight, at that) just like any other LED-LCD TV. So where the QLED moniker comes from, we're not sure.

Essentially, QLED is a proprietary panel technology developed for top-tier Samsung televisions. By using a metallic quantum dot filter, QLED panels enhance color and contrast, boosting the capabilities of HDR and 4K images compared to other non-quantum dot LCD-LEDs.

There's a little more to it than that (QLED TV models now include Samsung's Bixby virtual assistant and a nifty Ambient Mode to help them blend into your room better) but what you just read is the crux of what makes a QLED a QLED.

HOW DOES QLED WORK?

It’s complicated, but hang in there with us. So, to start, all QLED TVs have a quantum dot filter. This year, there’s a new refined aluminum compound that help make the dots more efficient (and therefore brighter) and more effective at passing pass light through, which creates wider and more accurate color.

So what is a quantum dot filter exactly? It’s a film of tiny crystal semi-conductor particles that can be precisely controlled for their color output, which replace the red, green and blue color filters that old TVs used.Samsung says that its QLED TVs use the new filters to display 100% coverage of the DCI/P3 color space (much deeper black levels and sparkling HDR), and maintain that performance whatever the brightness.

They’re so bright, in fact, that Samsung's QLED TVs can manage anywhere between 1500 nits to 2000 nits brightness. Considering 1000 nits is needed to produce HDR, that's proper bright, though exactly how anyone could stand the glare of 2000 nits, we're not sure. Sunglasses, anyone?

While the advances in brightness are intriguing, Samsung claims that the new QLED TVs have a newly designed pixel panel structure to allow better off-axis viewing. For a living room environment, that could be QLED's big selling point.

VIDEO QUALITY OF QLED:

It isn't quite a revolution in TV displays, but it does offer a high visual standard beyond the realm of regular LCD televisions. There are more QLED TVs than ever in Samsung 2020 tv range, even if the competition from rival panel technologies – OLED, for one – remains stiff.Here we'll cover everything you need to know about QLED, how it compared to basic LCD-LED TVs, and whether a QLED TV is worth investing in.A number of new QLED TVs from Samsung have entered the market. Once you've familiarized yourself with the ins and outs of QLED, including Samsung The Frame, which has had a QLED panel upgrade.

ADVANTAGES OF QLED:

1.It is thin and light in weight.

2. The switching speed (between ON/OFF) is very fast.

3.Quantum dots used in the construction of QLED resist moisture better and hence QLED based products will have long life.

4. Brightness is about 50 to 100 times brighter compare to CRT and LCD display types.
5.Due to higher resistance to the moisture, it does not require expensive vacuum evaporation process. Hence cost of the QLED is low.
6.It has lower power consumption. QLED screens are two times power efficient compare to OLED screens and moreover offer about 30 to 40 % improvement in brightness.
Drawbacks or disadvantages of QLED

DISADVANTAGES OF QLED:

1.Less saturated blue.

2.With QLED based display screens, best viewing angle is dead center. The quality of picture diminishes in both color as well as contrast when viewer moves side to side or between up and down.
3.QLEDs do not produce light by themselves. Instead QLEDs use backlight unit for illumination.
4.QLED based TVs suffer from "light bleed" effect. This effect is visible in certain scenes. It results into slight haze around bright objects which blurs lines which should be usually sharp.

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What is LED? | SAMSUNG LED TV| LG LED TV

2020-05-01T18:44:00.000+05:30

What is LED? | Everything u need to know about LED | SAMSUNG LED TV | LG LED TV

Are you searching for the information about the display technology called LED(Light emitting diode),all you have to do is just go through the information given below you will get a clear cut information about the LED technology. For your easy understanding the some information is structured as question and answer type hope you can understand.

What Does LED Stand For?

LED stands for light-emitting diode.

A diode is an electrical device or component with two electrodes (an anode and a cathode) through which electricity flows - characteristically in only one direction (in through the anode and out through the cathode). Diodes are generally made from semi-conductive materials such as silicon or selenium - substances that conduct electricity in some circumstances and not in others (e.g. at certain voltages, current levels, or light intensities).

A light-emitting diode is a semiconductor device that emits visible light when an electrical current passes through it. It is essentially the opposite of a photovoltaic cell (a device that converts visible light into electrical current).

So how the led technology used in display?

There are three different LED technologies used. The most commonly used of the three is edge-lit LED, in which white LEDs are situated around the edge of the screen and a diffusion panel employed to illuminate the display evenly. Edge-lit LED displays can be very thin. Another type is dynamic RGB LED, which are placed behind the panel. RGB LEDs make it possible to target areas for dimming more precisely, which in turn leads to truer reproduction of blacks and whites. In the third type of display, full-array LED, LEDs are positioned behind the panel similarly to the way they are with RGB LED displays but there is no capacity for localized dimming.

What is the difference between edge led and direct led display?

· Edge lit is where you put the backlight LEDs at the edge of the display and use light guides to channel the light to the rest of the screen.

· Direct lit is where the LEDs are behind the panel. Providing the potential for greater contrast and brightness.

So my feelings on these two displays?

Edge lit is often harder to get right and you often end up with light bleeding in at the corners. You can see this in dark scenes when in a darkened room.

Direct lit gives you interesting contrast, sometimes the dual modulation (sometimes called Dynamic Contrast) goes wrong and you see flickering of the backlight which can be annoying.

What are the advantages?

1. Can be powered from a portable battery pack or even a solar array.

2. Can be integrated into a control system.

3. Are small in size and resistant to vibration and shock.

4. Have a very fast “on-time” (60 nsec vs 10 msec for an incandescent lamp).

5. Have good color resolution and present low, or no, shock hazard.

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WHAT IS LCD AND HOW IT WORKS? | FEATURES OF LCD

2020-04-30T15:19:00.000+05:30

WHAT IS LCD AND HOW IT WORKS? | FEATURES OF LCD

Are you searching for the information about the display technology called LCD(Liquid crystal display),all you have to do is just go through the information given below you will get a clear cut information about the LCD technology.For your easy understanding the some information is structured as question and answer type hope you can understand.

WHAT IS LCD (LIQUID CRYSTAL DISPLAY)?

Liquid crystal refers to compounds which are in crystalline arrangement but can flow like liquid. The light source coming from the back light passes through crystal material that can be aligned to either block or transmit the light LCD technology uses Twisted Nematic Liquid Crystals so the crystals will be twisted to 90 degrees. Here every pixel is divided into 3 sub pixels those are red, blue and green.

STRUCTURE OF LCD

It’s called “LIQUID CRYSTAL DISPLAY” because these compounds have a crystalline arrangement of molecules and still they flow like a liquid.

In LED flat panel display ,two glass plates each containing a light polarizer at right angles to the other plate ( simply one polarizer is vertical and the other one is horizontal)they sandwich the liquid crystal display.

SO HOW IT WORKS

· As earlier said there are two glass plates one of the glass plate rows of horizontal transparent are built and columns of vertical conductors are put into the other plate.

· The intersection of two conductors defines a pixel position.

· Normally the molecules are aligned in the “ON STATE”.

· Polarized light passing through the material is twisted so that it will pass through the opposite polarizer.

· To turn of the pixel we apply a voltage for the two intersecting conductors to align the molecules so that the light is not twisted.

· This type of panel lcd is known as a “PASSIVE-MATRIX LCD”.

LET’S TALK ABOUT ADVANTAGES AND DISADVANTAGES

FIRSTLY ADVANTAGES

The main advantage is the power consumption, it consumes less power.
It is very compact, thin and light especially in comparison with bulky, heavy CRT displays
Little heat emitted during operation, due to low power consumption
It can be made in almost any size or shape.

NOW DISADVANTAGES

1. Limited viewing angle in some older and cheaper moniters.

2. Uneven backlighting in some televisions and moniters.

3. Black levels may not be as dark as required because individual liquid crystals cannot completely block all of the backlight from passing through

4. Dead and stuck pixels may occur during manufacturing or after a period of use.

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What is QD OLED TECHNOLOGY? | Samsung QD OLED is coming|QD OLED will be available in 2021

2020-04-29T14:48:00.000+05:30

What is QD OLED TECHNOLOGY? | Samsung QD OLED is coming|QD OLED will be available in 2021

Here is the most interestng and exiting news for all the tv display fans.

Upto this year QLED provides better color, better blacks and better viewing angles than LCD’s and LED’s. Of course OLED tops the list because, OLED is the no.1 Display technology since it is the future of LED technology. OLED The biggest drawback is the price of the OLED because, for a 55 inch OLED tv it costs minimum INR 2,50,000 whereas QLED tv costs around INR 50,000 to INR 1,20,000.

Recently Samsung has developed a new technology QD OLED display technology in their R&D department in 2019. For this QD OLED technology Samsung display invested US$ 10.9billion (INR 8,27,37,43,10,000) .

SO WHAT IS QD OLED TECHNOLOGY?

QD OLED refers to Quantum DOT LED, and it is the hybrid technology of OLED AND QLED.
Quantum dots (QDs) emit light via a process known as radiative recombination. When an electron in the valence energy band within the QD absorbs a photon and moves to the conduction band, it leaves behind an electron vacancy, or hole. The excited electron and hole then recombine, releasing a photon.

WHAT ARE THE FEATURES OF QD LED COMPARITIVE TO THE OTHER LED TECHNOLOGY?

BASICALLY LCD,LED,QLED TECHNLOGY produces White color to the panel but the new QD LED TECHNOLOGY produces blue colour for better contrast and to produce vivid colors. However OLED does’nt have any backlight.For QD-OLED Samsung is using blue OLED as the light emitting source, with red and green quantum dots acting as conversion layers for the red and green subpixels, respectively, while the blue subpixel lets light pass unhindered. One challenge with this design is that blue OLED has the shortest lifespan of the three primary colors. LG Display's OLED panel, which is used in all OLED TVs available on the consumer market, is often described as 'white OLED', or WOLED, with color filters.

QD-OLED displays also offer other advantages over OLED screens, including a wider color gamut and improved brightness. Since the technology mixes OLED with quantum dots, the OLED within the panel will only emit one color, helping reduce production costs significantly. The next-generation QD-OLED displays will also be less susceptible to burn-in than current-gen OLED displays.

SAMSUNG DISPLAY ANNOUNCES ITS $10.8 BILLION INVESTMENT IN QD-OLED PRODUCTION

Samsung Display formally announced its decision to invest ₩13.1 trillion (around $10.85 billion USD) in QD-OLED TV R&D and production lines. The investment plan will span 6 years (2019-2025) and the first step will be to convert an LCD production line in SDC's L8 fab in Tangjong, Korea to QD-OLED production.The Tangjong line will be converted from 125k monthly substrates of LCD production to 30k monthly QD-OLED substrates, and mass production will begin in Q1 2021. In the long run SDC plans to convert all its 8-Gen LCD lines (360,000 monthly substrates) to QD-OLED production (which will yield around 100,000 monthly QD-OLED substrates).

According to Yonhap, the massive investment will be officially announced in October. However, a timeframe for the upgrades is not yet known. The LCD market for larger screens is facing difficulty due to strong competition from Chinese vendors, backed by state subsidies, who are able to produce similar displays for a lower price tag. The US-China trade war is also likely causing strain, with uncertainty and the imposition of tariffs. LCDs were once a profitable business for companies such as Samsung and LG, but both companies are moving towards more expensive products, including OLED and QD in a bid to keep their dominant positions in the display market.

WHAT IS THE PRICE?

As per the informatition the new QD OLED technology price quite similar to the price range of QLED technology only .now, this is the big advantage for us with the less price we can get the best experience of the tv.
The revolutionary potential of QD-OLED notwithstanding, regular QLED panels are unlikely to retire any time soon. In fact, the recent strides made not only by Samsung but also TCL, Hisense, and Vizio in producing affordable, high-quality QLED panels foreshadow a rearrangement of the TV market over the coming decade. Current QLED technology could continue to drop in price to the point of eventually replacing traditional LED TV’s in the budget category, while QD-OLED may go on to become Samsung’s new high-end contender

WHEN THIS TECHNOLOGY COMES TO THE MARKET?

Recently Samsung scheduled to introduce the new QD OLED TECHNOLOGY but due to some or the other reason it will be resheduled.

On the other side TCL had already showcased the all new TECHNOLOGY recently.

In March 2019 it was unveiled that China-based display maker TCL is developing a new hybrid display technology that uses a blue OLED emitter coupled with red and green QD emitters. All three emitter materials will be combined and printed using ink-jet printing technology. TCL calls this technology H-QLED and this could prove to be the technology of choice for TCL's future high-end emissive TV displays.

QD-OLED ON TRACK TO LAUNCH IN 2021

The OLED Association asked about recent reports in Korean media saying that the QD-OLED project has been delayed. Samsung Display denied the reports saying that the project is on schedule.

Inside the suite Samsung Display also exhibited other prototypes and advancements, including new materiales for OLED that can reduce power consumption by 10-15% as well as "a truly foldable display based PC due in 2021". A 31.5-inch QD-OLED prototype was reportedly also shown

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