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>> Sumitomo Chemical's new technology helps OLED panel cost half cut, is expected to promote OLED TV popularization 23th,Nov,2018
Nikkei News reported on the 30th that Sumitomo Chemical has developed a new technology that can improve the accuracy of the formation of OLED panel illuminating components. With this new technology, the manufacturing cost of OLED panels can be greatly reduced, and the goal is to cut the panel manufacturing cost by half. This is expected to drive down the price of OLED TVs and promote popularization.
The new technology developed by Sumitomo Chemical Co., Ltd. is a polymer material used for forming a light-emitting component by a printing method, and can be used as an inkjet printer to blow a material and form a light-emitting component.
The current OLED panel manufacturing technology is based on the "evaporation type (the red, green, blue and other luminescent materials are vaporized and attached to the substrate under vacuum)", but the evaporation technology requires high equipment and is easy to waste. Multi-material, high cost; and printing technology (using liquid luminescent materials as precisely as a printer on a substrate) is low cost, but it is difficult to uniformly coat the luminescent material when producing large-sized panels.
According to reports, the use of new materials developed by Sumitomo Chemical can achieve the goal of "even coating", and Sumitomo Chemical has also developed manufacturing equipment for new materials.
According to the report, the above-mentioned new materials are jointly developed by Sumitomo Chemical and overseas panel makers and JOLED, a related company of Japan Display Inc (JDI). JOLED is expected to take the lead in adopting this new technology in the 21.6-inch medical OLED panel sold this fall. Sumitomo Chemical will also call on South Korea's LG Display (LGD) and other manufacturers to adopt the new technology, with the goal of mass production in 2019 for large-size TVs.
Korea Herald reported on June 19 that Seo Kwang-hyun, vice chairman of the Korea Display Industry Association (KDIA), said in an interview that the OLED panel market is currently controlled by South Korean operators, but if China Or Japanese manufacturers can take the lead in OLED inkjet printing technology, so the industry situation will probably turn over.
The production of OLEDs by inkjet printing is simpler and faster than current evaporation technology. This method does not waste raw materials. In contrast, conventional evaporation methods can only retain 10-40% of raw materials. . Looking at the business opportunities of inkjet printing OLEDs, South Korea, China and Japan panel factories have actively entered the research, but due to technical problems, it is estimated that it takes four to five years to have the opportunity to mass production.
JOLED, a Japanese OLED panel research and development company, announced on May 17 that it has developed the world's first 4K OLED panel product using "printing" technology. JOLED's OLED panel product size is 21.6 吋, and samples have been available for medical displays in April. It is planned to expand the application to TVs, game consoles and other applications.
Sankei Biz reported that JOLED has received orders from Sony, and JOLED President Dong Jinlai said at a press conference held on May 17 that "in the mid-size panel, printed technology will become The standard for OLED panels."
JOLED is a OLED panel company that integrates the Sony and Panasonic OLED panel business and accepts the Japanese government and public fund "Industry Innovation Agency (INCJ)" and Japan Display Inc (JDI), which was officially launched on January 15, 2015. Currently, INCJ holds JOLED. 75% of the shares, JDI, Sony, Panasonic hold 15%, 5%, 5% equity.
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