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:
Jan. 31, 2012
Filed:
Jul. 08, 2008
Dae Hyun Kim, Ulsan, KR;
Hun Joo Hahm, Gyunggi-do, KR;
Hyung Suk Kim, Gyunggi-do, KR;
Dae Yeon Kim, Gyunggi-do, KR;
Dae Hyun Kim, Ulsan, KR;
Hun Joo Hahm, Gyunggi-do, KR;
Hyung Suk Kim, Gyunggi-do, KR;
Dae Yeon Kim, Gyunggi-do, KR;
Samsung LED Co., Ltd., Suwon, KR;
Abstract
A backlight unit for a liquid crystal display (LCD) device, disposed under a liquid crystal panel to illuminate the liquid crystal panel. The backlight unit includes a light guide plate, first and second light emitting diode (LED) arrays, disposed on adjacent sides, perpendicular to each other, of the light guide plate, each array having a plurality of LED blocks, consisting of one or more LEDs, and a control unit that controls electric signals, respectively inputted to the LED blocks, to regulate luminance for the respective LED blocks, wherein light emitted from the first and second LED arrays is overlapped each other in the light guide plate.