Color electronic paper display device

Details Color electronic paper display device Color electronic paper display device

2007-02-13

2007-02-13

Thompson, Timothy (Department: 2873)

Optical: systems and elements

Optical modulator

Light wave temporal modulation

C345S107000, C430S037000

Reexamination Certificate

active

11495456

ABSTRACT:
A color electronic paper display device is provided which is easy to fabricate and can provide bright display. The color electronic paper display device includes a CF (Color Filter)-formed TFT (Thin Film Transistor) substrate in which a concave/convex layer is formed and reflecting electrode controlling TFTs and pixel electrode controlling TFTs are arranged on a glass substrate and reflecting electrodes are formed on the concave/convex layer and a colored layer made up of color filters each being for one color out of RGB (Red, Green, Blue) is formed, and each of comb-teeth shaped pixel electrodes is formed in a position corresponding to a color filter for one color, an EPD (Electrophoretic Display Device) film laminated onto an upper surface of the TFT substrate having a plurality of microcapsules making up electrophoretic elements spreading within the EPD film, and a facing substrate laminated onto an upper surface of the EPD film.

REFERENCES:
patent: 8-29811 (1996-02-01), None
patent: 2003-177429 (2003-06-01), None
patent: 2004-294273 (2004-10-01), None
Shin-Tson Wu et al., Reflective Liquid Crystal Displays,Wiley, SID pp. 4 to 13.

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