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:
Feb. 26, 2008
Filed:
Aug. 07, 2003
Yoshihiro Otagiri, Matsumoto-shi, JP;
Satoru Katagami, Hara-mura, JP;
Tatsuya Ito, Matsumoto-shi, JP;
Yoshihiro Otagiri, Matsumoto-shi, JP;
Satoru Katagami, Hara-mura, JP;
Tatsuya Ito, Matsumoto-shi, JP;
Seiko Epson Corporation, , JP;
Abstract
A transflective color filter substrate is provided. The transflective color filter substrate comprises a transmissive color filter portion and a reflective color filter portion in one dot region. An area of the color filter colored portion is set to be less than the area of one dot region in the transflective color filter substrate, and an uncolored reflection region, which is capable of reflecting an uncolored light of high brightness without being influenced by the color filter, is formed by a partition layer. Since the pigment density of the coloring layer is set such that the transmitted light has the optimum chroma in the transmissive display mode, it is possible to obtain a displayed image having sufficient chroma in the transmissive display mode. Furthermore, in the reflective display mode, it is possible to obtain a displayed image having sufficient brightness from the colored light, which is reflected from the coloring layer, and from the bright uncolored light, which is reflected from the uncolored reflection region. As a result, it is possible to realize a transflective electro-optical device which has an excellent display quality in both the transmissive display mode and the reflective display mode.