Patent ID: 9395595
Filing Date: 2016-07-19
CPC Classification: G02F,H05K,Y10T

Claim Text:
1. An electronic paper display device comprising: a substrate, a first conducting layer on the substrate, and a slanted microbore layer provided on the first conducting layer, wherein the slanted microbore layer comprises display units and each display unit comprises four immediately adjacent slanted microbores of white, electrophoretic display particles are enclosed within the slanted microbores and have different colors from that of the slanted microbores; each of the slanted microbores comprises an orifice, slanted bore walls and a bore bottom, the angle between the slanted bore walls and the substrate is less than 90°, and the vertical projection of the orifice onto the surface of the substrate is located outside of the bore bottom of the slanted microbore; the electrophonic display particles within the four immediately adjacent slanted microbores of each display unit have colors different from one another of red, green, blue, and black, respectively.