MUMBAI, India, Sept. 7 -- Intellectual Property India has published a patent application (202617083919 A) filed by E Ink Corporation on July 08, 2026, for Improved Methods For Producing Full-Color Epaper Images With Low Grain.
Inventors include Crounse, Kenneth R.; Deliwala, Amit; Huitema, Hjalmar Edzer Ayco; and Telfer, Stephen J..
The application for the patent was published on September 04, 2026, under issue no. 36/2026.
Abstract: Improved methods for driving color electro-optic displays, such as electrophoretic displays with multi-particle electrophoretic media. When driving between a first image having a high color depth (i.e., greater than 64 distinct colors) and a second image having a high color depth, the data processing load can be reduced by mapping the set of colors in the first image to a reduced color set (i.e., 8 colors). In a preferred embodiment, the electro-optic medium is an electrophoretic medium that includes a white particle and cyan, yellow, and magenta subtractive primary-colored particles. Images with high color depth look less grainy and are more appealing to consumers.
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