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:
Jul. 07, 2015
Filed:
Dec. 29, 2011
Applicants:
Seung-pyo Seo, Daegu, KR;
Hyoun-woo Kim, Gyeonggi-do, KR;
Sung-chul Ha, Gyeongsangbuk-do, KR;
Inventors:
Assignee:
LG Display Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/038 (2013.01); G09G 3/36 (2006.01); H02M 3/07 (2006.01);
U.S. Cl.
CPC ...
G09G 3/3696 (2013.01); H02M 3/07 (2013.01); G09G 2310/0289 (2013.01); G09G 2320/041 (2013.01); G09G 2330/02 (2013.01);
Abstract
A power supplying unit for a liquid crystal display device includes: a power integrated circuit for generating a source voltage and a compensation voltage, the compensation voltage linearly varying according to an ambient temperature; and a charge pumping part for generating a gate high voltage using the source voltage and the compensation voltage, the gate high voltage linearly varying when the ambient temperature is lower than a reference temperature.