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:
Mar. 15, 2016
Filed:
Jun. 16, 2009
IN Ho Ahn, Gyeonggi-do, KR;
Min Ho Sohn, Gyeonggi-do, KR;
Deuk Su Lee, Gyeonggi-do, KR;
Kyo Hyuck Choo, Gyeonggi-do, KR;
In Ho Ahn, Gyeonggi-do, KR;
Min Ho Sohn, Gyeonggi-do, KR;
Deuk Su Lee, Gyeonggi-do, KR;
Kyo Hyuck Choo, Gyeonggi-do, KR;
LG Display Co., Ltd., Seoul, KR;
Abstract
A touch panel display device and a driving method thereof are disclosed. The touch panel display device and the driving method thereof sense illumination of external light using a photo-sensor formed on a touch panel, and control a PWM duty of a light source suited to each mode when the sensed illumination of external light corresponds to illumination in a gray zone to be a difference between the illumination of light created by the light source and that of external light, thereby improving touch recognition capability in a gray zone.