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.

Date of Patent:
Nov. 22, 2005

Filed:

May. 21, 2002
Applicants:

Tetsuya Aoyama, Kawagoe, JP;

Kenji Okishiro, Kokubunji, JP;

Katsumi Kondou, Mito, JP;

Tsunenori Yamamoto, Hitachi, JP;

Shinichi Komura, Hitachi, JP;

Inventors:

Tetsuya Aoyama, Kawagoe, JP;

Kenji Okishiro, Kokubunji, JP;

Katsumi Kondou, Mito, JP;

Tsunenori Yamamoto, Hitachi, JP;

Shinichi Komura, Hitachi, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G003/18 ; G09G003/36 ;
U.S. Cl.
CPC ...
Abstract

A liquid crystal display apparatus including: a first substrate; a second substrate arranged opposite the first substrate; and a liquid crystal layer held between the first substrate and the second substrate; further provided with a plurality of scanning lines arranged over the first substrate; signal lines arranged over the first substrate to cross the scanning lines; pixels each composed matching an area surrounded by the scanning lines and the signal lines; pixel electrodes arranged over the first substrate and matching the signal lines; and common electrodes arranged over the first substrate and matching the pixel electrodes, wherein at least either of the first substrate and the second substrate is provided with unevenness to vary the thickness of the liquid crystal layer in the light-transmissive regions of the same ones of the pixels.


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