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Samsung Working on OLED TVs based on Blue OLEDs and quantum dots
Will it finally happen? Samsung supposedly has been showing prototypes of OLED TVs in of 55 "and 65" sizes. The new OLED screens would use blue OLEDs combined with red and green color filters based on Quantum Dot technology, in essence making this a QD-OLED display.
If you can remember it, Samsung in the past already had offered OLED for TVs screens but halted production due to issues with the technology. They fabbed them with RGB subpixels, however, over time the color balance deteriorated because the subpixels do not degrade equally. Samsungs main competition, LG, bypasses that effect by using white OLEDs and then applying color filters, it's however patented technology so only LG may fab these. That is the main reason why you only see LG OLED TVs, or OLED TVs from other brands based on an LG panel. Samsungs new technology will not make use of a white OLED, but it invokes blue colored OLED with red and green filters. Combined with what is referred to as Quantum Dot Color Filter (QDCF).
The prototypes apparently have been shown at CES, however, they are not yet ready for prime time reports tweakers via reports eetimes. QD-OLED method can potentially produce even thinner and lighter TVs compared to the current Quantum Dot panels that are commercially available. The number of components is reduced, it is also possible to improve the viewing angle and response time, which are a limitation of regular LCD TV. The main thing, of course, would be the exceptional contrast ratio as black is black, an OLED pixel disables itself with the color black). Next, to that, no bleeding or clouding would be present as well. Samsung new screens would be preparing QD-OLED in 55-inch and 65-inch sizes. The product prototype was unveiled at CES 2018 where it showed the new technology in a private room.
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Denial
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Posts: 14091
Joined: 2004-05-16
#5522473 Posted on: 02/23/2018 10:40 PM
yes i have an oled screen from LG.
it is the best tv i've ever owned.
red and green filters do little to block the overdriven (if Samsung's history is noticed) blue.
period
if you're going to throw darts at least be accurate and knowledgeable about the topic. i've built CRT monitors from parts and worked for the company that made the best reviewed TV ever made for over 16 years.
but ok, knock yourself out
oled and plasma *panels* are *the only* technologies with 100% light transmission and control *per pixel*.
LCD panels are *screens* by definition.
whatever light that is not filtered through *is greater* than what gel/color/paint on the inside can absorb and results in "bleeding", "prismatic effects", terrible color balance - universally too fake white with no control over pitch - even in "local dimming" lcds.
think of it as light pollution...like why there are no cutting edge observatories within hundreds of miles from cities.
the proposed OLED/Q from Samsung will therefore have an interposer screen (doubtless LCD)
and act as a 1st generation lcd did with a fluorescent backlight.
All of these could have been one post and xlcarus never asked if you seen an OLED, he asked user Pinscher, so I don't why you responded to it.
Samsung OLED technology doesn't use red/green filters, they control color by adjusting the individual subpixel voltage. For example, if they want green they turn the red/blue subpixels off. I also don't know what you mean by overdriven blues - the past several generations of SAMOLED displays are consistently the most accurate on the market. LG OLED TV's on the other hand use a white subpixel layout (the subpixels are always white) and use color filters on top in order to produce the intended color - they don't adjust the subpixel color at all, only the overall brightness. If they want to generate green, they filter out red and blue from the white subpixel. Both technologies have their advantages and weaknesses, this is why Samsung doesn't make AMOLED TV's (it doesn't scale to that size) and why LG uses classical RGB striping (they brand it POLED) in their phones. Samsung can't copy LG's white OLED tech because LG has a patent on it that they purchased from Kodak.
yes i have an oled screen from LG.
it is the best tv i've ever owned.
red and green filters do little to block the overdriven (if Samsung's history is noticed) blue.
period
if you're going to throw darts at least be accurate and knowledgeable about the topic. i've built CRT monitors from parts and worked for the company that made the best reviewed TV ever made for over 16 years.
but ok, knock yourself out
oled and plasma *panels* are *the only* technologies with 100% light transmission and control *per pixel*.
LCD panels are *screens* by definition.
whatever light that is not filtered through *is greater* than what gel/color/paint on the inside can absorb and results in "bleeding", "prismatic effects", terrible color balance - universally too fake white with no control over pitch - even in "local dimming" lcds.
think of it as light pollution...like why there are no cutting edge observatories within hundreds of miles from cities.
the proposed OLED/Q from Samsung will therefore have an interposer screen (doubtless LCD)
and act as a 1st generation lcd did with a fluorescent backlight.
All of these could have been one post and xlcarus never asked if you seen an OLED, he asked user Pinscher, so I don't why you responded to it.
Samsung OLED technology doesn't use red/green filters, they control color by adjusting the individual subpixel voltage. For example, if they want green they turn the red/blue subpixels off. I also don't know what you mean by overdriven blues - the past several generations of SAMOLED displays are consistently the most accurate on the market. LG OLED TV's on the other hand use a white subpixel layout (the subpixels are always white) and use color filters on top in order to produce the intended color - they don't adjust the subpixel color at all, only the overall brightness. If they want to generate green, they filter out red and blue from the white subpixel. Both technologies have their advantages and weaknesses, this is why Samsung doesn't make AMOLED TV's (it doesn't scale to that size) and why LG uses classical RGB striping (they brand it POLED) in their phones. Samsung can't copy LG's white OLED tech because LG has a patent on it that they purchased from Kodak.
user1
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Joined: 2016-01-29
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Posts: 2482
Joined: 2016-01-29
#5522596 Posted on: 02/24/2018 11:13 AM
i dont see oled getting here anytime soon with a reasonable price tag, im rather surprised that they've continued working on larger format oled screens , after all these years cost remains the main problem with larger oled displays. though i suppose it atleast has the mobile space behind it, which prevents it from meeting the fate of SED and FED.
i dont see oled getting here anytime soon with a reasonable price tag, im rather surprised that they've continued working on larger format oled screens , after all these years cost remains the main problem with larger oled displays. though i suppose it atleast has the mobile space behind it, which prevents it from meeting the fate of SED and FED.
xIcarus
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Joined: 2010-08-24
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Posts: 990
Joined: 2010-08-24
#5523012 Posted on: 02/26/2018 12:09 AM
yes i have an oled screen from LG.
it is the best tv i've ever owned.
red and green filters do little to block the overdriven (if Samsung's history is noticed) blue.
period
if you're going to throw darts at least be accurate and knowledgeable about the topic. i've built CRT monitors from parts and worked for the company that made the best reviewed TV ever made for over 16 years.
but ok, knock yourself out
Samsung's history with overdriven blue? Filtering?
Samsung's OLED displays so far (as can be seen in their phones) use full RGB OLEDs. There's nothing to bleed through any filter because there aren't any filters. The pixel's colour is produced by a combination of brightness between each of its subpixels: red, green and blue.
I've also never heard of Samsung's OLED displays having any issues with blue tinting. I haven't noticed anything of the sort in the 3 AMOLED displays that I've owned: on a Galaxy S, a Galaxy S5 and a Galaxy S8. Aside from the S1 whose colours were vivid across the board (a product of the then-current trend no doubt, the iPhone 4 was equally silly in terms of saturation), the other 2 were actually some of the most colour-accurate panels on the market, as Denial stated. I've never noticed any blue tinting issues when testing out other Samsung OLED displays either.
Since you're clearly so knowledgeable on this subject, perhaps you can show me some proof of that Samsung panel tinting.
While you're at it, maybe show me how what you said about the filtering applies to Samsung's QD-OLED technology because I fail to see how that's anything more than pure speculation. Samsung's Quantum Dot displays don't seem to have this issue, what makes OLED different?
yes i have an oled screen from LG.
it is the best tv i've ever owned.
red and green filters do little to block the overdriven (if Samsung's history is noticed) blue.
period
if you're going to throw darts at least be accurate and knowledgeable about the topic. i've built CRT monitors from parts and worked for the company that made the best reviewed TV ever made for over 16 years.
but ok, knock yourself out
Samsung's history with overdriven blue? Filtering?
Samsung's OLED displays so far (as can be seen in their phones) use full RGB OLEDs. There's nothing to bleed through any filter because there aren't any filters. The pixel's colour is produced by a combination of brightness between each of its subpixels: red, green and blue.
I've also never heard of Samsung's OLED displays having any issues with blue tinting. I haven't noticed anything of the sort in the 3 AMOLED displays that I've owned: on a Galaxy S, a Galaxy S5 and a Galaxy S8. Aside from the S1 whose colours were vivid across the board (a product of the then-current trend no doubt, the iPhone 4 was equally silly in terms of saturation), the other 2 were actually some of the most colour-accurate panels on the market, as Denial stated. I've never noticed any blue tinting issues when testing out other Samsung OLED displays either.
Since you're clearly so knowledgeable on this subject, perhaps you can show me some proof of that Samsung panel tinting.
While you're at it, maybe show me how what you said about the filtering applies to Samsung's QD-OLED technology because I fail to see how that's anything more than pure speculation. Samsung's Quantum Dot displays don't seem to have this issue, what makes OLED different?
Neo Cyrus
Senior Member
Posts: 10562
Joined: 2006-02-14
Senior Member
Posts: 10562
Joined: 2006-02-14
#5523066 Posted on: 02/26/2018 08:32 AM
LG has a patent on using filters on white light... the US patent system is beyond retarded.
LG has a patent on using filters on white light... the US patent system is beyond retarded.
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Joined: 2017-08-18
the proposed OLED/Q from Samsung will therefore have an interposer screen (doubtless LCD)
and act as a 1st generation lcd did with a fluorescent backlight.