LG Display will he manage to erase the main weak points of OLED TVs
? At least this is the beautiful promise carried by its vice-president Oh Chang-Ho. The latter presented a new generation of OLED panels that has a lot of advantages on paper, including a peak light up 30%, just that.
LG Display is taking the lead just days before the opening of CES 2022. It was during the LG Science Park event, which took place in South Korea, in Magok, that the manufacturer was able to give a taste of what the next generations of OLED TVs will be.
OLED.EX: real progress on brightness?
The subsidiary, which supplies all television manufacturers with OLED panels, presented its new OLED panel technology, which it calls OLED EX (Evolution / eXperience). In development for 10 years now in the laboratories of the Korean giant, this technology intends to silence the criticisms leveled against OLED which, despite its great qualities, still has obvious weaknesses since its large-scale launch in 2013. .
It is the very design of the organic compound that is modified with these new tiles. LG Display would have called on the American company DuPont to supply deuterium in order to replace the hydrogen in the semiconductors that make up the blue diodes. To make it short, deuterium, also known as heavy hydrogen, has the distinction of having an atomic mass twice as high as hydrogen. This modification makes it possible to strengthen the chemical bonds thanks to the kinetic isotopic effect.
The result is very promising on paper, since the diodes would be able to emit a more intense light, maintain good efficiency along the length and be more resistant to heat. This means, like the LG Display announcement, a 30% improvement in brightness, but also more vivid colors for longer and less image retention.
In 2021, the OLED Evo panels already included this change in organic material for the blue diodes. However, the progress on the peak light remained contained, as we saw with our test of the LG OLED65G1. Hopefully the results will live up to the promises this time around.
An algorithm of machine learning to liven it up
OLED EX has other advantages in its pocket. First of all in terms of design, since this technology would make it possible to further reduce the thickness of OLED televisions by around 30%, as well as the frame whose thickness would decrease from 6 to 4 mm.
LG Display also mentioned the development of a new algorithm, based on the machine learning. This would be able to control and optimize each pixel of the panel, up to 33 million pixels for 8K UHD televisions, in order to manage with great precision the current applied to the diodes. Little is still known about this algorithm, but its goal will be to improve details and colors in real time.
Finally, LG Display has announced that OLED EX technology will be integrated into all of its OLED panels manufactured at its production lines in Guangzhou, China and Paju, South Korea, starting in the second quarter of 2022.
Oh Chang-Ho is very optimistic about this technology, which should allow the OLED to offer a light peak of more than 1000 nits and thus reduce the gap that has widened on this point with the arrival of Mini-LED televisions. At the event, he said: “ Although the global TV market was down 12% this year, we still saw 70% growth in OLED sales. […] With our new OLED EX technology, we aim to deliver even more innovative and premium customer experiences through the evolution of our OLED technology, algorithms and designs. “
The big news for the TV market in 2021 is the presence of the Mini-LED backlighting from several manufacturers, as we saw at CES 2021. How does this technology represent a major turning point for LCD televisions? We tell you a little more in this article.
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Source: Press release
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