The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 20, 2007
Filed:
Jul. 14, 2004
Satoru Katagami, Hara-mura, JP;
Toshihiro Ushiyama, Chino, JP;
Hisashi Aruga, Fujimi-machi, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A color filterhas a light-transmissive substrate, a reflecting layerformed on the back substrateand provided with openings, boundary layersandformed on the reflecting layer, and a plurality of coloring layersenclosed by the boundary layersand. A transparent coat layeris provided between the reflecting layerand the boundary layersand. A step is formed between the openingsand the transparent coat layer. The coloring layersare formed by applying the dropletsof colored fluid to the openingsfirst, and then to the transparent coat layer. The difference in color saturation of the color filterin a reflective display mode and a transmissive display mode is reduced. Also, a liquid material is appropriately applied to the color filter, to enhance color balance.