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. 18, 2008

Filed:

May. 02, 2007
Applicants:

Kazuhiko Yanagawa, Mobara, JP;

Keiichiro Ashizawa, Mobara, JP;

Masahiro Ishii, Mobara, JP;

Masayuki Hikiba, Mobara, JP;

Inventors:

Kazuhiko Yanagawa, Mobara, JP;

Keiichiro Ashizawa, Mobara, JP;

Masahiro Ishii, Mobara, JP;

Masayuki Hikiba, Mobara, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1343 (2006.01); G02F 1/1339 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention is to provide the multi-domain system IPS (In-Plane Switching mode) liquid crystal display which has high contrast and does not have an improper image display. According to an aspect of the present invention, there is provided a black matrix formed between a pair of substrates and formed over a plurality of drain lines and gate lines, a plurality of spaces arranged under the black matrix, wherein a plurality of liquid crystal molecules lined to a boundary direction of the black matrix in 'OFF' state, and having a first group and a second group in 'ON' state, wherein a switching angle of the second group is opposite to a switching angle of the first group.


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