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:
Apr. 17, 2007
Filed:
Feb. 23, 2001
Applicants:
Hiroshi Yamashita, Fujisawa-si, JP;
Kazushi Yamauchi, Yamato, JP;
Kaoru Kusafuka, Kawasaki, JP;
Inventors:
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 5/02 (2006.01); G02F 1/1333 (2006.01);
U.S. Cl.
CPC ...
Abstract
An image display device for multi-gray scale display includes a first pixel for transmitting an achromatic color light therethrough with a first transmittance and a second pixel for transmitting the achromatic color light therethrough with a second transmittance different from the first transmittance of the first pixel. In this case, for video data to be entered, gray scale display allowed with the first transmittance of the first pixel and gray scale display allowed with the second transmittance of the second pixel are combined, to display the gray scale of the video data.