Rumour: Is Samsung working on QD-OLED TV?

Obviously the QD layer in this case would be the Photo emissive layer that was the next stage for the development schedule. It doesn't need a red/green filter as it uses the light photon energy to change the blue to Red or Green as needed - blue just passes straight through. The advantage of this is that all the light energy is used where as with other systems, some of that energy is filtered out. This gives the ability to hit much higher peak brightness levels without increasing the energy consumption as all that 'energy' that is filtered out is no longer wasted.

The rumour may well of arisen from Nanosys who stated that QD Photo emissive layers were suitable to be applied to OLEDs as well as LCD's which may well have ended up being twisted to say that Samsung were working on it as Samsung are a major shareholder of Nanosys.

I would be surprised as it probably wouldn't make sense for Samsung. The Photo emissive QD layer can be used with LCDs and as Samsung are looking to MicroLED. MicroLED can be used to significantly increase the dimming zones by having an incredibly high number of these in an array. By making these 'tiles' with a single 'blue' Micro LED, they can improve and perfect the manufacturing process. By using tiles, they also wouldn't necessarily have to make different densities either - the bigger the TV, the more MicroLEDs in the array although the size of each zone and 'density' of MicroLEDs remains the same. Obviously the pixel count that each zone has decreases as the size of the TV's increase. These TV's may not be quite as 'perfect' as an OLED but could still have much better performance than the current best LCD (ZD9) and a MUCH greater Colour Volume too so may not need to tome map at all.
 
Buy some curtains?

I watch everything in a completely dark room. If ever I turn the lights on the immersion drops to pretty much zero.

Can’t the TV is in a room with loads of very large windows and sky lights. Can’t fit curtains and wouldn’t want to.
 
MicroLED looks almost too good to be true. As impressive as the demos were I suspect that it's little more than 'vapourware'.

MicroLED is as good as it sounds, it is just currently hard to make. Currently Apple are the closest to releasing MicroLED displays and have been gobbling up anyone with MicroLED patents. It will be interesting to see if Apple only use their own microLED tech for their products or if they launch a true Apple TV instead of just a box.

Samsung only recently got into MicroLED and their pixel size is still far too large for smaller televisions and phones.
 
Buy some curtains?

I watch everything in a completely dark room. If ever I turn the lights on the immersion drops to pretty much zero.


You a vampire lol.. Not very family friendly is it tho..

I can see Currys doing this Great sales offer if you worked there .. Oled TVs, now comes with FREE curtains:rotfl:
 
MicroLED is as good as it sounds, it is just currently hard to make. Currently Apple are the closest to releasing MicroLED displays and have been gobbling up anyone with MicroLED patents. It will be interesting to see if Apple only use their own microLED tech for their products or if they launch a true Apple TV instead of just a box.

Samsung only recently got into MicroLED and their pixel size is still far too large for smaller televisions and phones.

Thanks, didn’t realise Apple were leaders in the field.

Looks like LG are getting on the MicroLED bandwagon: Samsung-LG TV Competition Expected to Shift from QLED vs. OLED to Micro-LED
 
First official confirmation by Samsung Display:

"We are developing technology to prepare large quantum dot organic light emitting diodes (QD-OLEDs)."

Lee Dong-hoon, CEO of Samsung Display, emphasized that the technology development for the mass production of large QD-OLED display panels is proceeding smoothly. Lee, who participated in International Information Display Exhibition (IMID) 2018 held in COEX, Seoul on July 24, said in a reporter's question about QD-OLED TV.
An industry observer said, "Samsung Display has been profitable in the first half of the year due to its dominance in the OLED market for mobile devices. However, the LCD division is suffering from deteriorating earnings." OLEDs account for less than 1% of the total TV market. "We are not going to jump in, but we will be focusing on securing technology enough to take the lead in entering the market as a latecomer."

Google Übersetzer
 
Samsung: We are developing QD-OLED displays - FlatpanelsHD

"The QD OLED production will be made on Samsung’s 8-1 and 8-2 lines in Tangjeong, which currently have a capacity of 170,000 and 190,000 Gen 8.5 TFT substrates per month making LCD. Portions of these lines,8-1-1 and 8-2-1, will be converted to QD OLED in 2019 – 2020, and in all cases the overall area capacity of the lines will be substantially reduced. For 8-1-1, 80k of LCD capacity will be converted to 25k of QD OLED capacity at a cost of $1.6 billion, and for 8-2-1, 50k of LCD capacity will be converted to 10k of QD OLED capacity at a cost of $0.6 billion. Together, a total of 130k of LCD capacity will be converted to 35k of QD OLED capacity for an investment of $2.2 billion."

Samsung Display Accelerating Plans to Shift to QD OLED

Nanosys confirms 18" QDOLED prototype (it seems it was under NDA) at CES 2018 and 8.5G QDOLED pilot line for 2019:

Jeff Yurek on Twitter

Nanosys on Twitter
 
Samsung: We are developing QD-OLED displays - FlatpanelsHD

"The QD OLED production will be made on Samsung’s 8-1 and 8-2 lines in Tangjeong, which currently have a capacity of 170,000 and 190,000 Gen 8.5 TFT substrates per month making LCD. Portions of these lines,8-1-1 and 8-2-1, will be converted to QD OLED in 2019 – 2020, and in all cases the overall area capacity of the lines will be substantially reduced. For 8-1-1, 80k of LCD capacity will be converted to 25k of QD OLED capacity at a cost of $1.6 billion, and for 8-2-1, 50k of LCD capacity will be converted to 10k of QD OLED capacity at a cost of $0.6 billion. Together, a total of 130k of LCD capacity will be converted to 35k of QD OLED capacity for an investment of $2.2 billion."

Samsung Display Accelerating Plans to Shift to QD OLED

Nanosys confirms 18" QDOLED prototype (it seems it was under NDA) at CES 2018 and 8.5G QDOLED pilot line for 2019:

Jeff Yurek on Twitter

Nanosys on Twitter

That was on their road map a few years ago - the tech was called Photo-emissive I believe as it uses Blue light - almost as a backlight - that either passes straight through (for Blue obviously) or is converted to Red and/or Green light as required. Its supposed to be more energy efficient as little of the light energy is lost as it doesn't require filters to remove energy - for example to get blue, you may need filters to remove red and green so 2/3rd's of the light energy is lost. That was the basic principal anyway. Photo-emissive QD layers can of course be applied to LED or OLED tech - any tech that just produces a 'single' Blue light.

If you remove the red, green an white sub pixel from an OLED, stick the Photo-emissive QD layer on top, then you have a QD OLED. The intensity of the blue is your luminosity which obviously can be completely off so you get a perfect black and the QD layer is your 'colour' layer converting blue light energy into Red and Green as needed and letting as much blue light as needed through too. A 100% blue for example would pass through where as a White would convert 2/3rds of the energy into Red and Green. That's the basic principal and of course, If you used Blue LEDs, you have the same system for LED type TV's. It would work well if the QD layer can also stop any light energy passing through on a per-pixel basis or may well require a layer in between to block light - unless they go the 8.3m MicroLED route.

MicroLED TV's would require a pixel made up of 3 MicroLEDs, - 1 for each of the 3 colours - R, G and B but if they go the Photo-emissive QD route, they could use just blue MicroLEDs - thus significantly reducing the cost and difficulty of manufacture.

This is why QD Photo-emissive tech could be very exciting - not only does it not waste light energy (not to the same degree at least), therefore can be much brighter for the same amount of energy put in (thus OLEDs can be much brighter), being at the front of the panel, you get wide viewing angles (on LEDs), more colour and can be used on different tech too. Its not quite the same as a self emitting QLED - like current OLEDs but using inorganic materials - but still looks to be an interesting time. Some thought this may have arrived sooner too - maybe not for OLED tech but certainly for Samsung's LED tech...
 
You talking about QDCF for LCD. QDOLED is an OLED TV with QDCF. It´s the more advanced version. The blue color is generated by an unfiltered blue OLED stack. Red and green is generated by red and green photo-emissive QD color filters before a blue OLED stack. This is not half baked like QDCF LCD. A QDOLED TV is a real emissive TV without an (m)LED backlight or LC layer.
Samsung also will use inkjet printing, Oxide TFT and top emission. This is Samsung´s answer to WOLED and the way out of harming WOLED patents and an economical desaster with LCD tech because of threatening overproduction by the Chinese.
 
You talking about QDCF for LCD. QDOLED is an OLED TV with QDCF. It´s the more advanced version. The blue color is generated by an unfiltered blue OLED stack. Red and green is generated by red and green photo-emissive QD color filters before a blue OLED stack. This is not half baked like QDCF LCD. A QDOLED TV is a real emissive TV without an (m)LED backlight or LC layer.
Samsung also will use inkjet printing, Oxide TFT and top emission. This is Samsung´s answer to WOLED and the way out of harming WOLED patents and an economical desaster with LCD tech because of threatening overproduction by the Chinese.

The only major difference is the fact that OLEDs are being used as the 'backlight'. Of course the Blue in the colours we see will be the Blue directly from the OLED as it should pass straight through the QD layer. It is 'superior' because like OLEDs, you have each individual pixel that is self emitting and so you get all the benefits you expect with OLEDs - the perfect Blacks, infinite contrast etc. The single 'Blue' OLED pixels are still just responsible for the luminosity/brightness - as a backlight is. The QD layer on the front is responsible for the colour. Its allowing as much of the blue energy through as needed or converting some to red and or green. A Pure blue (no red or green) would pass through, a pure Red would take the blue light energy and change it to pure Red - a white would let a third of the blue pass through, convert a third to green and a third to red. The OLED would essentially just be working on the luminosity of a picture - a 100nit red for example would be a lit 100nit blue on the OLED and the QD layer would change that blue to red.

The same principal can be applied with LEDs too - just use Blue backlight LEDs but you would still have the issue of light bleed etc. The QD layer at the front will allow for 'OLED' like viewing angles and like the system above, can just allow the Blue light through and convert the blue light to Red and/or Green as per the OLED system above. The backlight is still responsible for the illumination/luminosity of the picture - the QD layer would determine the colour by letting that blue pass through and/or converting it to the right amount of Red and Green as required.

MicroLED TV's could also work in exactly the same was as the OLED QD TV - instead of making each pixel be a red, green and blue LED, they just make them Blue and use this as the luminosity layer with the QD on the front to deliver the colour.

All TV's use RGB format and all the colours are created by varying the degree of red, blue and green. What this system is doing, is using the Blue light as the luminosity AND as any of the 'Blue' that colours are made of. Any colour that has no blue on it, will still be lit with the OLED QD layer bit the blue light will be converted to Red and/or green. With current OLEDs, only the Red, Green and/or White sub pixel would be illuminated. To change the luminosity of a Pixel on a QD OLED, you vary the brightness of the Blue pixel - just like you would do with Backlight LEDs. Take the QD layer off and you would have the luminosity of the image illustrated in just 'Blue' lights - the brighter areas are 'brighter' like turning up the dimming switch on your lightbulb.

LEDs are far less accurate because they have to consider the luminosity in zones and use filters to block light getting through where it shouldn't. Take off the QD layer and you would see more of a pixelated look at the luminosity of that picture where as OLEDs could still show 'detail' and shapes - A tree silhouetted against the sun for example because each 'pixel' can have its luminosity perfectly shown where as the LED would be more an average of that zones APL so won't show the darker tree shape. MicroLED TV's too would have the same advantage as OLEDs in this.

Essentially OLED and MicroLED QD TV's are like an LED TV with each pixel having its own backlight. Instead of using a white light to illuminate the pixel and filtering out the red, green and/or blue, they use Blue light and convert none/some/all of that light to red/green as is required to form the colour. The OLED part is just an OLED panel - which has already been relatively easy to manufacture on a commercial level but without the red/green and white sub-pixels - thus making it theoretically cheaper to manufacture because you are not needing 4 sup-pixels for every one of the 8.3m pixels in a 4k screen. It may even make 8k (and 4k OLEDs) able to be made much smaller too. You could make a 4k TV a quarter of the size in OLED because you only need the blue sub-pixel.

Of course an OLED QD, like a MicroLED QD isn't a 'true' emissive panel as the image you are seeing is NOT the image that is being generated at the OLED or MicroLED in this - not unless you want an image that is all 'blue' (apart from the black where the pixel is off) and only representing the luminosity of the picture. The OLED in this only has Blue pixels - its the QD layer in front that is adding the colour. A 100nit blue, white, green and red pixel will look exactly the same as every other 100nit pixels at the OLED - the QD layer will be where the image becomes an image by converting some of that blue into the other colours. A true emissive panel is one that generates the whole image, both luminosity and colours that we see - whether it has an anti-reflective layer on top or not, the image is still being generated and emitted but with this, the only thing the OLED is doing is generating the luminosity of each pixel but the image is being created by the QD layer as its there that the blue light is converted in to the colours. At most, its only a third self emitting as only the 'blue' light is passing through the QD layer without being converted. White, as you may know, is made up of Red, Green and Blue light so only a third of that 'blue' from the OLED panel is being seen by you, the other 2/3rds has been converted from the Blue from the OLED into red and green.

Its superior to LED's because it has 8.3m dimming zones, each pixel has its own 'backlight' and each pixel can be perfectly black. Its superior to 'OLEDs' too despite the fact that the image is not being created at the OLED because it can have a much greater colour volume.

250E1644576A3FED02D6DA


As this shows, the OLED is just Blue and you don't watch TV with just Blue - the QD layer is wher the image is created by taking the Blue light and converting some to red or green and letting the 'blue' pass through. Its the QD layer that effectively creates the image as images are more than just 'blue' and the OLED is just a Full array backlight with each pixel having its own backlight. Without that QD layer, you just have an OLED that is showing the luminosity of the picture in blue only.
 
The only major difference is the fact that OLEDs are being used as the 'backlight'. Of course the Blue in the colours we see will be the Blue directly from the OLED as it should pass straight through the QD layer. It is 'superior' because like OLEDs, you have each individual pixel that is self emitting and so you get all the benefits you expect with OLEDs - the perfect Blacks, infinite contrast etc. The single 'Blue' OLED pixels are still just responsible for the luminosity/brightness - as a backlight is. The QD layer on the front is responsible for the colour. Its allowing as much of the blue energy through as needed or converting some to red and or green. A Pure blue (no red or green) would pass through, a pure Red would take the blue light energy and change it to pure Red - a white would let a third of the blue pass through, convert a third to green and a third to red. The OLED would essentially just be working on the luminosity of a picture - a 100nit red for example would be a lit 100nit blue on the OLED and the QD layer would change that blue to red.

The same principal can be applied with LEDs too - just use Blue backlight LEDs but you would still have the issue of light bleed etc. The QD layer at the front will allow for 'OLED' like viewing angles and like the system above, can just allow the Blue light through and convert the blue light to Red and/or Green as per the OLED system above. The backlight is still responsible for the illumination/luminosity of the picture - the QD layer would determine the colour by letting that blue pass through and/or converting it to the right amount of Red and Green as required.

MicroLED TV's could also work in exactly the same was as the OLED QD TV - instead of making each pixel be a red, green and blue LED, they just make them Blue and use this as the luminosity layer with the QD on the front to deliver the colour.

All TV's use RGB format and all the colours are created by varying the degree of red, blue and green. What this system is doing, is using the Blue light as the luminosity AND as any of the 'Blue' that colours are made of. Any colour that has no blue on it, will still be lit with the OLED QD layer bit the blue light will be converted to Red and/or green. With current OLEDs, only the Red, Green and/or White sub pixel would be illuminated. To change the luminosity of a Pixel on a QD OLED, you vary the brightness of the Blue pixel - just like you would do with Backlight LEDs. Take the QD layer off and you would have the luminosity of the image illustrated in just 'Blue' lights - the brighter areas are 'brighter' like turning up the dimming switch on your lightbulb.

LEDs are far less accurate because they have to consider the luminosity in zones and use filters to block light getting through where it shouldn't. Take off the QD layer and you would see more of a pixelated look at the luminosity of that picture where as OLEDs could still show 'detail' and shapes - A tree silhouetted against the sun for example because each 'pixel' can have its luminosity perfectly shown where as the LED would be more an average of that zones APL so won't show the darker tree shape. MicroLED TV's too would have the same advantage as OLEDs in this.

Essentially OLED and MicroLED QD TV's are like an LED TV with each pixel having its own backlight. Instead of using a white light to illuminate the pixel and filtering out the red, green and/or blue, they use Blue light and convert none/some/all of that light to red/green as is required to form the colour. The OLED part is just an OLED panel - which has already been relatively easy to manufacture on a commercial level but without the red/green and white sub-pixels - thus making it theoretically cheaper to manufacture because you are not needing 4 sup-pixels for every one of the 8.3m pixels in a 4k screen. It may even make 8k (and 4k OLEDs) able to be made much smaller too. You could make a 4k TV a quarter of the size in OLED because you only need the blue sub-pixel.

Of course an OLED QD, like a MicroLED QD isn't a 'true' emissive panel as the image you are seeing is NOT the image that is being generated at the OLED or MicroLED in this - not unless you want an image that is all 'blue' (apart from the black where the pixel is off) and only representing the luminosity of the picture. The OLED in this only has Blue pixels - its the QD layer in front that is adding the colour. A 100nit blue, white, green and red pixel will look exactly the same as every other 100nit pixels at the OLED - the QD layer will be where the image becomes an image by converting some of that blue into the other colours. A true emissive panel is one that generates the whole image, both luminosity and colours that we see - whether it has an anti-reflective layer on top or not, the image is still being generated and emitted but with this, the only thing the OLED is doing is generating the luminosity of each pixel but the image is being created by the QD layer as its there that the blue light is converted in to the colours. At most, its only a third self emitting as only the 'blue' light is passing through the QD layer without being converted. White, as you may know, is made up of Red, Green and Blue light so only a third of that 'blue' from the OLED panel is being seen by you, the other 2/3rds has been converted from the Blue from the OLED into red and green.

Its superior to LED's because it has 8.3m dimming zones, each pixel has its own 'backlight' and each pixel can be perfectly black. Its superior to 'OLEDs' too despite the fact that the image is not being created at the OLED because it can have a much greater colour volume.

250E1644576A3FED02D6DA


As this shows, the OLED is just Blue and you don't watch TV with just Blue - the QD layer is wher the image is created by taking the Blue light and converting some to red or green and letting the 'blue' pass through. Its the QD layer that effectively creates the image as images are more than just 'blue' and the OLED is just a Full array backlight with each pixel having its own backlight. Without that QD layer, you just have an OLED that is showing the luminosity of the picture in blue only.


You have explained that really well.. Iv read they have stated Burn in wont be an issue ? Do you agree ?
 
You have explained that really well.. Iv read they have stated Burn in wont be an issue ? Do you agree ?

I can't say that it won't but it should be significantly less likely... Burn In is usually caused by a breakdown in the organic compounds and Blue (I believe) has a shorter life span. The difference here though is that theoretically all the pixels will be used and quite evenly as they more a 'backlight'. 100nit yellow, red, green, blue, orange etc will still be 100nit blue at the OLED rather than using different sub-pixels. This should mean that the Organic compounds should break down evenly across the panel. With normal OLEDs, if the sub-pixel breaks down because its over-used in a Logo or ticker bar so you can see that shape, that causes Burn in and like I said, the sub-pixels don't last evenly - Blue may only last say 30000hrs but Red may last 40000hrs before breaking down. With an all blue OLED panel (no other sub-pixels), they should all last the same time, all breakdown around the same time so you shouldn't get burn in. If all you watch is 21:9 content, then you might get issues with 16:9 content where you can see where the black bars are because those pixels aren't used often.

I do think though its overall less likely because all the pixels should get a fairly even amount of use. A static yellow 200nit bar isn't going to be any different on the OLED to the whole moving image being 200nits. I guess if you had a static 200nit shape on screen (like pausing white text) and the rest was black, you would end up with that shape showing through and I don't think many would have text paused for hours and hours. Its different to watching the news with a static ticker bar on screen for hours and hours. In general the OLED should be more evenly used across the whole screen because its effectively just the luminosity which is not often static to one specific area. If you have a static test patten where the whole screen is at 200nits, even if its split up into boxes of different colours, the OLED would literally be a flat 200nit blue screen so every pixel is being used and every pixel being at the same luminosity - its the QD layer that is converting some of that blue into Red an Green to create the colour. Whether the test pattern image is static or in motion, if every colour is 200nits, the OLED would just be a solid blue screen with no 'image' to burn in and every pixel would be on and to the same intensity - all would effectively breakdown around the same time. Its the QD layer that is creating the image by changing that 'blue' light into colours

That's very different to current OLEDs as the Blue sub pixel will be used to various different degrees - sometimes not at all with Red, Green and all the colours that are only using Red and Green. Its the fact that it should use all the pixels much more evenly and the fact that its only a single colour so won't have different life expectancies that should significantly reduce the likelihood of burn in. The sub-pixels too aren't likely to be radically changing, switching on/off depending on how much R,G or B is required, not changing in intensity much - having to go from zero to max instantly because a slow pan has lots of different colours in it. I know you can have scrolling bright text on a black background where the sub pixels may need to go from zero to max to zero but generally, the luminosity doesn't change as much as the colours.
 
Last edited:

The latest video from AVForums

Is 4K Blu-ray Worth It?
Subscribe to our YouTube channel
Back
Top Bottom