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. 13, 2014
Filed:
Jun. 28, 2005
Hee Jeong Park, Bucheon-shi, KR;
Hee Jeong Park, Bucheon-shi, KR;
LG Display Co., Ltd., Seoul, KR;
Abstract
A backlight unit of an LCD device includes a first light source unit including a plurality of red, green and blue LEDs and a second light source unit including a plurality of white LEDs, the white LED provided between each of the first light source unit. A control unit divides the plurality of first and second light source units into a plurality of blocks and outputs control signals to the first and second light source units by detecting the luminance of inputted video signals. The backlight unit includes a first light source driving unit for driving the first light source and a second light source driving unit for driving the second light source by corresponding block to the first light source unit.