1. an optical property optimization adopting a newly-developed scattering layer
2. a method for reducing power consumption when displaying still images.
Japan Display press release on the paper like color video display.
Memory in Pixels uses very little power
The technology here is straightforward enough: the display has electric circuits built in, which can retain signals. “With a still picture, once the data has been written, it can be retained," said Japan Display’s Kazunori Yamaguchi, “so power consumption is extremely low.” Unfortunately, Diginfo doesn’t present further explication of the SRAM tech at work here; expect details to emerge as the device nears the market. In its press release, Japan Display touted power consumption of 3mW for a still image.
When will the paper display devices come to market?
Japan Display has developed two versions of the tech--one that has a lower color purity (5 percent of the NTSC color gamut), yet achieves good brightness (a 40 percent reflection rate), and then another with better color purity (36 percent coverage of the NTSC color gamut) that’s dimmer. The first one is ready to go to the mass market as soon as device makers say so; with the latter, Japan Display wants to do some more R&D, presumably to figure out how to boost brightness while retaining that high color gamut.
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