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. 01, 2015
Filed:
Sep. 30, 2010
Kee-chul Kim, Suwon-si, KR;
In-jae Chung, Gwachaeon-si, KR;
Sin-ho Kang, Suwon-si, KR;
Yeun-hyeok Yang, Paju-si, KR;
Kee-Chul Kim, Suwon-si, KR;
In-Jae Chung, Gwachaeon-si, KR;
Sin-Ho Kang, Suwon-si, KR;
Yeun-hyeok Yang, Paju-si, KR;
LG DISPLAY CO., LTD., Seoul, KR;
Abstract
A liquid crystal display device includes a liquid crystal panel; a plurality of light emitting diode units to supply light to the liquid crystal panel; and a scan line and a light emission data line connected to the LED unit, wherein the scan line and the light emission data line transfer a scan signal and a light emission data current, respectively, wherein the LED unit includes: a switching circuit that is connected to the scan line and the light emission data line; a current mirror circuit that is connected to the switching circuit, and that outputs a light emission current in response to the light emission data current; and an LED that emits the light in response to the light emission current.