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Samsung will show 'OLED' TV based on quantum dots
Yes, that news title is a bit of a paradox eh? But is the claim really, perhaps OLED quality would describe it better. At the CES, the manufacturer wants to show a TV in which an organic luminescent layer based on quantum dots that provides high-color and high-contrast images.
Samsung apparently wants to rely again on OLEDs: The Korean display specialist uses a blue-glowing organic layer to stimulate quantum dots that produce red and green pixels from the blue light. The advantage over the previous LCD TVs with quantum dots: a viewpoint independent, high-contrast representation. The advantage over previous OLED TVs: extremely rich colors. In addition, the quantum dot OLED combination (QD-OLED) works in an energy-efficient way, as the complete light from the blue "OLED backlight" is used here for image generation. In LCDs, on the other hand, two-thirds of the light is blocked at the color filters and is therefore lost to the display.
The QD OLEDs also require a yellow reflector, which prevents the ambient light from exciting the quantum dots and emitting them, even though the underlying organic layer does not light up. The quantum dots for the red and green subpixels are printed in the pixel grid, while the organic luminescent layer is applied over a large area.
It consists of various organic layers, which can, however, be vapor-deposited cost-effectively and unstructured by means of CVD (Chemical Vapor Deposition) methods. As a result, no metal mask has to be precisely positioned and moved over the large TV substrates in production and, unlike the techniques used for smartphones, no expensive organic material is lost when the luminous layer is applied. Both of these factors led Samsung, among other things, to refrain from developing its 2013 OLED TV with a pixel matrix of red, green and blue organic light dots.
Image: DigiTimes
According to Digitimes, Samsung wants to redesign a generation 8 LCD factory for OLED fab with oxide TFT substrates. Thus, the manufacturer could go relatively quickly into series production. For example, the first samples will be available by mid-2019 and then run 25,000 substrates per month - if six (perfect) TV screens are cut from each substrate, that would be 150,000 TVs per month. By 2020, capacity will be doubled. However, Samsung still has a few technical hurdles to overcome. Samsung plans to apply the organic material to Canon coating machines and print the quantum material on Kateeva machines. What will cost such a QD OLED TV in the end, is still open. The goal can only be to not be significantly above the current OLED prices.
Sources - Heise
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Loobyluggs
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Joined: 2008-09-07
Senior Member
Posts: 4068
Joined: 2008-09-07
#5623187 Posted on: 01/03/2019 11:51 AM
I think you misunderstand. The last several years of plasmas had brightness half-lives of 100,000 hours. that's over 11 years of being on 24/7.
I have a Panasonic ST30 that has been my primary television since 2011. I barely have 10k hours on it, which is still several hours per day. I also have calibration tools and I tweak it occasionally, and the maximum luminance hasn't gone down by a measurable amount in that time period. I will have long since replaced this television before there is a perceptible drop in luminance.
Also, backlights on LCD televisions are actually much worse than OLED/Plasma in terms of long-term reliability.
Yah - my Panny Plasma is roughly the same. In addition, I took it to a Panasonic servicing centre two years ago to have a complete service and they said it was 'perfect' on all the charts they ran it through. The cost? £65.
https://www.panasonic.eu/ServiceCenter/en-GB/index-uk.html
Above link for UK/GB, not sure where you are but it's sooooo cheap and is a really worthwhile investment, just to have another 12 months warranty from an official Panasonic servicing centre. Top value.
I think you misunderstand. The last several years of plasmas had brightness half-lives of 100,000 hours. that's over 11 years of being on 24/7.
I have a Panasonic ST30 that has been my primary television since 2011. I barely have 10k hours on it, which is still several hours per day. I also have calibration tools and I tweak it occasionally, and the maximum luminance hasn't gone down by a measurable amount in that time period. I will have long since replaced this television before there is a perceptible drop in luminance.
Also, backlights on LCD televisions are actually much worse than OLED/Plasma in terms of long-term reliability.
Yah - my Panny Plasma is roughly the same. In addition, I took it to a Panasonic servicing centre two years ago to have a complete service and they said it was 'perfect' on all the charts they ran it through. The cost? £65.
https://www.panasonic.eu/ServiceCenter/en-GB/index-uk.html
Above link for UK/GB, not sure where you are but it's sooooo cheap and is a really worthwhile investment, just to have another 12 months warranty from an official Panasonic servicing centre. Top value.
fry178
Senior Member
Posts: 1661
Joined: 2012-04-30
Senior Member
Posts: 1661
Joined: 2012-04-30
#5623388 Posted on: 01/03/2019 10:29 PM
@ttnuagmada
Lol, might wanna read up on tv tech.
Qleds arent oleds.
They are regular led driven lcd screens,
but since it took samsung 6y to catch up with others,
and not allowed to make oled tvs, they decided to buy the company called qled so they can slap it on their tvs and mislead customers (thinking qleds are better since q comes after o).
Watch the review (hdtvtest on youtube) of the q9 being beaten by a 3y old sony tv, outside the fact that the guys says one of the least accurate images hes seen on a tv of everything he tested...
@ttnuagmada
Lol, might wanna read up on tv tech.
Qleds arent oleds.
They are regular led driven lcd screens,
but since it took samsung 6y to catch up with others,
and not allowed to make oled tvs, they decided to buy the company called qled so they can slap it on their tvs and mislead customers (thinking qleds are better since q comes after o).
Watch the review (hdtvtest on youtube) of the q9 being beaten by a 3y old sony tv, outside the fact that the guys says one of the least accurate images hes seen on a tv of everything he tested...
ttnuagmada
Senior Member
Posts: 157
Joined: 2015-05-18
Senior Member
Posts: 157
Joined: 2015-05-18
#5623397 Posted on: 01/03/2019 11:14 PM
@ttnuagmada
Lol, might wanna read up on tv tech.
Qleds arent oleds.
They are regular led driven lcd screens,
but since it took samsung 6y to catch up with others,
and not allowed to make oled tvs, they decided to buy the company called qled so they can slap it on their tvs and mislead customers (thinking qleds are better since q comes after o).
Watch the review (hdtvtest on youtube) of the q9 being beaten by a 3y old sony tv, outside the fact that the guys says one of the least accurate images hes seen on a tv of everything he tested...
You might actually want to read the comment you responded to, I said QOLED. IE Q-OLED. LG has patents on the WOLED RGB filter method. Samsung is absolutely allowed to make OLED TV's, just not using the method that LG does, so instead of using white OLEDs with an RGB filter, they're using blue OLEDs with a Quantum Dot layer. No one here is talking about QLED dumpster LCD televisions but you.
@ttnuagmada
Lol, might wanna read up on tv tech.
Qleds arent oleds.
They are regular led driven lcd screens,
but since it took samsung 6y to catch up with others,
and not allowed to make oled tvs, they decided to buy the company called qled so they can slap it on their tvs and mislead customers (thinking qleds are better since q comes after o).
Watch the review (hdtvtest on youtube) of the q9 being beaten by a 3y old sony tv, outside the fact that the guys says one of the least accurate images hes seen on a tv of everything he tested...
You might actually want to read the comment you responded to, I said QOLED. IE Q-OLED. LG has patents on the WOLED RGB filter method. Samsung is absolutely allowed to make OLED TV's, just not using the method that LG does, so instead of using white OLEDs with an RGB filter, they're using blue OLEDs with a Quantum Dot layer. No one here is talking about QLED dumpster LCD televisions but you.
fry178
Senior Member
Posts: 1661
Joined: 2012-04-30
Senior Member
Posts: 1661
Joined: 2012-04-30
#5623475 Posted on: 01/04/2019 07:14 AM
still coming from the same thing.
they bought the company that was called Q(led),and its virtually the same color "improvement" (quantum dot) they already do on their leds,
so it really doesnt matter if its qled or qoled.
when i see how long it took LG/sony to get it to a level worth selling as tv, doubt samsung will do any better, in a shorter time.
especially when looking at the fact that they do oled (dont care which one) screens on other devices for a while..
still coming from the same thing.
they bought the company that was called Q(led),and its virtually the same color "improvement" (quantum dot) they already do on their leds,
so it really doesnt matter if its qled or qoled.
when i see how long it took LG/sony to get it to a level worth selling as tv, doubt samsung will do any better, in a shorter time.
especially when looking at the fact that they do oled (dont care which one) screens on other devices for a while..
Click here to post a comment for this news story on the message forum.
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Posts: 157
Joined: 2015-05-18
This just means MicroLED is still a ways off. QOLED will still have the same problems that OLED has as a technology.