Sumitomo Chemical, Japan, issued a press release on the 24th announcing that it has developed a technology for producing polymer OLED panels using the inkjet method (printing method), which can produce OLED panels with a resolution of 423ppi (using 370x470mm glass substrate ), Whose resolution is close to that of OLED panels produced by vapor deposition production technology (evaporation of red, green and blue organic materials on glass substrates).
Samsung Electronics' Galasxy S4 is equipped with an OLED panel using vapor deposition production technology with a resolution of 441ppi.
Sumitomo Chemical pointed out that the OLED material can be applied only where necessary by printing technology, so in addition to low-cost production of OLED panels, it can also be applied to the size of the panel, and the company will continue to improve in the future The performance of polymer OLED materials and improved manufacturing processes are expected to contribute to the mass production of polymer OLED panels.
Sony and Panasonic announced on June 25, 2012 that they will jointly develop next-generation OLED panels for TV / large-size displays, and the printed next-generation OLED technology jointly developed by both parties will be suitable for low-cost mass production of large-size , High-definition OLED panel technology.
According to Nikkei, once Sony and Panasonic can establish the mass-production technology of the above-mentioned printed OLED panels, large-size OLED panels can be produced at about half the cost of the current liquid crystal panel (LCD), and printing technology will also be easy to use in plastics, etc. An organic material film is formed on the thin-film substrate, whereby it is expected to produce an OLED panel having flexibility (bendability).
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