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. 14, 2006
Filed:
Jan. 28, 2000
Applicants:
Takakazu Yano, Tokyo, JP;
Shigeru Morokawa, Higashiyamato, JP;
Inventors:
Takakazu Yano, Tokyo, JP;
Shigeru Morokawa, Higashiyamato, JP;
Assignee:
Citizen Watch Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/28 (2006.01);
U.S. Cl.
CPC ...
Abstract
A power supply circuit having a data driver power circuit, which has a temperature compensation function and a voltage regulation function, and a scan driver power circuit that has a function of controlling the brightness of the liquid crystal display device as a user desires. The data driver power circuit of the power supply circuit has a diode group and an electric current limiting resistor so that the data drive voltage is 3.6 V or so at room temperature.