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>> LCD panel used for ten years OLED achieved 80% yield in two years 9th,Nov,2018
Although compared with liquid crystal panels, OLED panels have absolute advantages in color gamut, black level, wide screen viewing angle, and anti-blue light by virtue of self-illumination. However, the industry still often considers the early development of OLEDs such as yield, life and price issues as a reason to suppress OLEDs.
It is understood that the current 55-inch full HD OLED TV panel yield has broken through, LG Display spokesman announced that 4K ultra-high-definition OLED panel also achieved a yield rate of 80%.
This means that the yield of large-screen OLED and LCD panels is almost the same. Li Wei, editor-in-chief of the home grid, said that with the continuous improvement of the process in the past two years, the yield of OLED panels will no longer be inferior, and the cost advantage will be further developed compared with LCD modules.
In fact, it took only two years to significantly improve the yield of OLED panels. It is the fastest mature technology in the history of display technology, and its development speed is beyond the reach of LCD panels. In contrast to the comparison of OLED and liquid crystal on the yield, the LCD panel has a yield of less than 50% in the early stage of development, and has experienced a decade before and after reaching the 80% normal yield level.
In terms of the development speed of OLED blowout, the speed of its industrial chain layout is much faster than that of the original LCD panel. At present, South Korea's LGD has achieved breakthroughs in TV big screens, and China's large-screen OLED panel industry line is also nearing maturity.
Last month, BOE and Skyworth and Huawei Haisi jointly launched the first domestic OLED TV, marking the completion of the layout of China's large-screen OLED industry chain. And the new 11th generation line of Huaxing Optoelectronics also clearly defines the layout of large-screen OLED. Japanese companies that have been leading the display technology are also taking advantage of the industrial layout. JDI and JOLED are catching up with the leading China and South Korea in terms of capacity expansion. Industry analysts told the home grid that any new alternative industry, the sooner it enters the market, the more resources and initiatives it can take.
There is also a so-called life bottleneck problem in the old criticism of OLED. In fact, this problem was solved before the full marketization. Lu Xiangde, president of LGD OLED Business Unit, introduced to HEA a few months ago that the life of OLED products can be guaranteed to be more than 50,000 hours. If you watch 8 hours a day, you can use it for more than 17 years.
In addition, for the “afterimage” problem mentioned by the skeptics, the OLED panel is completely solved by the image quality improvement algorithm and the improved component characteristics, and the image sticking phenomenon can be guaranteed without 10,000 hours.
The data shows that in recent years, the average annual growth rate of the LCD TV market from 2014 to 2020 is only 1.4%. Under the condition that the LCD panel market is relatively saturated and the profit is difficult, OLED is the best choice for jumping out of the LCD panel.
At present, Skyworth, Konka and Changhong have started mass production of 4K OLED organic TVs and launched a variety of products to the mid-to-high end. Among foreign manufacturers, LG Electronics, Panasonic and Philips have also entered OLED TV production and sales. In 2016, both upstream and downstream, OLEDs showed explosive growth.
The industrial chain and industrial cluster layout are completed, the product quality is absolutely superior, and the life and yield problems are solved. The large-scale popularization of OLED panel TV products can be described as everything is ready, and the east wind is strong.
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