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:
May. 25, 2010

Filed:

Mar. 12, 2008
Applicants:

Masuyuki Ohta, Mobara, JP;

Kazuhiko Yanagawa, Mobara, JP;

Kazuhiro Ogawa, Mobara, JP;

Keiichiro Ashizawa, Mobara, JP;

Masahiro Yanai, Mobara, JP;

Nobutake Konishi, Mobara, JP;

Katsumi Kondo, Hitachinaka, JP;

Masahito Ohe, Mobara, JP;

Sukekazu Aratani, Hitachi, JP;

Hagen Klausmann, Hitachi, JP;

Inventors:

Masuyuki Ohta, Mobara, JP;

Kazuhiko Yanagawa, Mobara, JP;

Kazuhiro Ogawa, Mobara, JP;

Keiichiro Ashizawa, Mobara, JP;

Masahiro Yanai, Mobara, JP;

Nobutake Konishi, Mobara, JP;

Katsumi Kondo, Hitachinaka, JP;

Masahito Ohe, Mobara, JP;

Sukekazu Aratani, Hitachi, JP;

Hagen Klausmann, Hitachi, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1343 (2006.01);
U.S. Cl.
CPC ...
Abstract

A liquid crystal display device includes a pair of substrates with a liquid crystal layer therebetween with a plurality of scanning signal lines and of video signal lines being formed on a first substrate. The scanning and video signal lines are arranged in a shape of a grid, and a pixel region is defined as a region surrounded by the scanning and video signal lines. A black matrix is formed on a second substrate, is arranged in a position overlapped on the scanning and video signal lines, and has an opening portion in each pixel region. A plurality of first electrodes are provided on the first substrate, and a plurality of second electrodes are provided on the second substrate, wherein at least one of first electrodes and at least one of the second electrodes are arranged in a position overlapped with the opening portion.


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