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Japan Display develops 2.3″ LCD panel with the world’s smallest pixel pitch of 651ppi
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Japan Display develops 2.3″ LCD panel with the world’s smallest pixel pitch of 651ppi

Japan Display has developed a prototype 651ppi LCD panel. First announced in June 2012, this display has a resolution of 1280x800 pixels, equivalent to that in a regular notebook PC, but in a screen size of only 2.3 inches. The resolution is basically double that of current high-definition smartphone displays.

"We wondered just how high a resolution we could achieve using our LTPS technology, so we decided to make a world-class display. As a result, this display has the world's highest resolution of 651ppi."

"The resolution of the human eye is said to be about 300ppi. A 5 inch Full HD display has higher resolution, so it may be close to the limit of the human eye. At that level, sensitivity becomes relevant. So for example, objects that appear three-dimensional look extremely clear. We think that, if we give displays even higher resolution, images may look more realistic."

With a pixel pitch of only 39μm, this display is free of artifacts, such as jagged lines and characters, which can be seen in displays which use larger pixels. The small pixel pitch also allows for images to be displayed with a resolution comparable to that of film-based photographs, and internal studies have shown that the high resolution has benefits for the human visual perception system.

From now on, Japan Display will consider specific applications and products, in line with emerging needs.

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