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:
May. 05, 2015
Filed:
Nov. 08, 2013
Applicant:
Lg Display Co., Ltd., Seoul, KR;
Inventors:
You Tack Woo, Daegu-si, KR;
Kyeong Kun Jang, Gyeongsangbuk-do, KR;
Assignee:
LG Display Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/36 (2006.01);
U.S. Cl.
CPC ...
G09G 3/3685 (2013.01); G09G 3/3614 (2013.01); G09G 3/3688 (2013.01); G09G 2310/027 (2013.01); G09G 2320/0247 (2013.01); G09G 2320/0276 (2013.01); G09G 2320/0606 (2013.01); G09G 2320/0626 (2013.01); G09G 2320/0673 (2013.01);
Abstract
A signal driving circuit of a liquid crystal display device includes a column driver for converting video data input into analog signals and applying said analog signals to pixels of a liquid crystal panel, a gamma voltage circuit for applying a plurality of signal voltages to the column driver and an external voltage supplying unit for generating and adjusting signal voltages and a common voltage applied to the gamma voltage circuit and the common electrode, respectively.