Japan Display Inc Develops a 5.2” Full HD Organic EL Screen

by Sayan Chakravarty

2013 has been the year of ultra-amazing smartphone displays, HTC One leads the competition with a display resolution of 468ppi and Samsung Galaxy S4 narrowly trails behind with 441ppi. Anything above 400ppi is just phenomenal in quality. Japan Display Inc., a Japanese company founded last year, has developed a display that falls in the same league. They have come up with a 5.2” full HD (1,920 x 1,080-pixel) OLED panel with a resolution of 423ppi, which is bigger than both HTC One and Samsung S4. Just for comparison sake, iPhone’s retina display –which are considered to be great– has a resolution of 326ppi. The display was developed by combining white OLED devices and colour filters (CFs).

The pixel structure is composed of four-colour RGBW. High-definition is attained by combining the company’s low-temperature polycrystalline Si technology (LTPS), white organic EL technology and drive technology. Last year, Japan Display developed a 4.5-inch HD (1,280 x 720-pixel) OLED display with the same “white OLED device + CF” method. The resolution achieved was 326ppi. The company is considering its mass production by deepening ties with local material and equipment manufacturers.

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[Via – Watch-Impress]

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