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>> Deng Qingyun: small and medium-sized OLED will replace LCD large-size alternative still needs time 18th,Dec,2017
This year, the rapid development of display technology, OLED technology by more and more attention. At the "2016 China International OLED Industry Conference" held on June 30, Deng Qingyun, a professor at Hong Kong University of Science and Technology and an OLED inventor, accepted the author's interview. In his view, OLED will eventually replace the LCD as the most important display technology in the future. However, he also disclosed to reporters that in the small and medium-sized market, OLED will replace LCD faster, but in the field of large size, OLED will take LCD instead of LCD.
Deng Qingyun: small and medium-sized OLED will replace LCD large-size alternative still needs time
According to Deng Qingyun introduction, OLED has three milestones: published papers in 1987, 2003, Kodak cameras with OLED, and OLED TV in 2013 to market. He said that in 1987 a paper on OLED opened the prelude to the development of OLED display technology, the paper proposed a two-tier structure, the first layer is fully transparent layer, the second layer is the ALQ layer, which formed the original concept of OLED . Decades have passed and the citations to this essay are still very high. The second milestone is the discovery of OLED by Kodak Research Lab, the first time in history that OLED technology was seen. Kodak soon produced an OLED active matrix display that looks better than an LCD, so OLED technology was applied to the camera in 2003, but it did not last long due to the high price.
It is noteworthy that, in 2007 OLED technology for the first time applied to the field of television, Sony developed an 11-inch 960 × 540 pixel active matrix television, was also caused a very big stir. Deng Qingyun said Sony has since developed OLED panels using printing technology, but this is a mistake for Sony because the printing technology was not developed so well. They can show at the heart, but never really mass production.
On the technical path of large-size OLED, Deng Qingyun said OLED mainly has two competitive technologies, one is Samsung, one is LG display. Samsung TV is based on low-temperature polysilicon, graphical RGB. LG uses gold oxide TFT and RGB rely on white OLED, the two companies choose the different technology path. However, in these two technologies, Deng Qingyun more optimistic about the technology based on white, the market more acceptable.
Deng Qingyun told reporters: "In the past, present and future, CRT, TFEL, PDP is out of date, the real potential is the LCD, OLED, LED, E-Ink, I am not sure whether there will be other technologies in the future, LCD basic dominance. No one was concerned about the OLED, was not considered life expectancy OLED technology in the 30-year development process, many companies have different ways to enhance its brightness and life. 2003 Kido announced that you can use cascade With the architecture that makes the OLED brighter and has a longer lifespan, it uses this method to produce higher brightness with lower current consumption, which is no longer a concern for OLEDs. "
In fact, in the field of small and medium size, these two years OLED display has been in rapid growth. Deng Qingyun told the author that in the mobile phone industry OLED is very certain, it will play a very important role. Especially after 2017, Apple will adopt OLED mobile phone screen, which will speed up the application of OLED technology. More importantly, the OLED display is very light, can be curved, bendable, foldable, and even achieve seamless connection. Are the advantages of OLED technology. From this perspective, OLED will replace LCD as the most important display technology in the future.
However, Deng Qingyun also admitted that, despite the more beautiful OLED TV picture quality, but still more expensive than the LCD, it can only locate the high-end market. From the manufacturers point of view, currently only the LGD is doing, OLED in TV accounted for very few, to replace the LCD can take a long time, only more companies involved in order to promote the further development of the OLED industry.
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