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:
Sep. 19, 2006
Filed:
Jun. 18, 2003
Applicants:
Shinichi Abe, Kyoto, JP;
Masanori Fujisawa, Kyoto, JP;
Inventors:
Shinichi Abe, Kyoto, JP;
Masanori Fujisawa, Kyoto, JP;
Assignee:
Rohm Co., Ltd., Kyoto, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 3/30 (2006.01);
U.S. Cl.
CPC ...
Abstract
A drive current value is regulated by a current value regulator circuit of a current drive circuit provided externally of each pixel circuit, so that control lines for a program control provided in order to unify operating threshold values of drive transistors becomes unnecessary. Therefore, the number of transistors of each pixel circuit can be reduced and the circuit size of each pixel circuit can be reduced thereby.
Abe, Shinichi. (2006). Drive circuit of active matrix type organic el panel and organic el display device using the same drive circuit (U.S. Patent No. 7109953). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7109953
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile