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:
Nov. 03, 2015
Filed:
Oct. 29, 2013
Applicant:
Samsung Electronics Co., Ltd., Suwon-si, KR;
Inventor:
Chul Hee Yoo, Suwon-si, KR;
Assignee:
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 7/04 (2006.01); F21V 8/00 (2006.01); G09G 3/34 (2006.01); G09G 3/36 (2006.01); G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0075 (2013.01); G02B 6/0021 (2013.01); G02B 6/0078 (2013.01); G09G 3/3426 (2013.01); G09G 3/3611 (2013.01); G02B 6/0068 (2013.01); G02F 2001/133601 (2013.01); G09G 2300/026 (2013.01);
Abstract
A backlight unit for a liquid crystal device capable of obtaining a high-quality image and reduced in thinness. The backlight unit is disposed below a liquid crystal panel to irradiate light thereoto. A plurality of separate light guide plates define respective blocks. Groups of LEDs each are disposed along an edge of each of the light guiding plates, each of the LED groups emitting light toward a corresponding one of the light guide plates. The each LED group is turned on and off according to the corresponding block.