US 11,721,296 B2
Method and apparatus for rendering color images
Kenneth R. Crounse, Somerville, MA (US)
Assigned to E Ink Corporation, Billerica, MA (US)
Filed by E Ink Corporation, Billerica, MA (US)
Filed on Nov. 2, 2021, as Appl. No. 17/516,795.
Claims priority of provisional application 63/108,855, filed on Nov. 2, 2020.
Prior Publication US 2022/0139341 A1, May 5, 2022
Int. Cl. G09G 3/34 (2006.01); G09G 3/38 (2006.01)
CPC G09G 3/344 (2013.01) [G09G 3/38 (2013.01); G09G 2320/0666 (2013.01); G09G 2340/06 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A method for driving an electro-optic display having a plurality of display pixels, the method comprising:
receiving an input image;
processing the input image to create color separation cumulate; and
dithering the input image by intersecting the color separation cumulate with a dither function.