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. 13, 2007
Filed:
May. 05, 2005
Applicants:
Yasuo Yamada, Tokyo, JP;
Masanori Yamaguchi, Kanagawa, JP;
Inventors:
Yasuo Yamada, Tokyo, JP;
Masanori Yamaguchi, Kanagawa, JP;
Assignee:
Sony Corporation, , JP;
Primary Examiner:
Int. Cl.
CPC ...
G09G 5/00 (2006.01); H03M 1/66 (2006.01);
U.S. Cl.
CPC ...
Abstract
A drive circuit for a flat display apparatus is disclosed wherein different display objects can be displayed at a time individually with appropriate gamma characteristics. Reference voltages are produced in a plurality of systems having different gamma characteristics from each other, and one of the systems is selected in response to a selection signal. Then, the reference voltages of the selected system are selected in response to image data to set gradations of pixels.