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:
Apr. 28, 2020
Filed:
Feb. 17, 2017
Applicant:
Lg Display Co., Ltd., Seoul, KR;
Inventor:
Ki-Duck Park, Gyeonggi-do, KR;
Assignee:
LG Display Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 8/00 (2006.01); G02F 1/13357 (2006.01); G02B 6/00 (2006.01); H01L 31/0352 (2006.01); H01L 51/50 (2006.01); G02B 5/22 (2006.01); H01L 33/50 (2010.01); H01L 33/44 (2010.01); H01L 25/075 (2006.01); H01L 33/48 (2010.01);
U.S. Cl.
CPC ...
G02F 1/133621 (2013.01); G02B 6/0023 (2013.01); G02B 6/0068 (2013.01); G02F 1/133603 (2013.01); B32B 2457/20 (2013.01); B32B 2457/202 (2013.01); B32B 2457/206 (2013.01); G02B 5/22 (2013.01); G02B 6/00 (2013.01); G02B 6/005 (2013.01); G02B 6/009 (2013.01); G02B 6/0055 (2013.01); G02F 1/133615 (2013.01); G02F 2001/133614 (2013.01); G02F 2001/133624 (2013.01); H01L 25/0753 (2013.01); H01L 31/035209 (2013.01); H01L 33/44 (2013.01); H01L 33/486 (2013.01); H01L 33/501 (2013.01); H01L 33/504 (2013.01); H01L 33/507 (2013.01); H01L 51/50 (2013.01); H01L 51/502 (2013.01); H01L 51/5012 (2013.01); H01L 2251/50 (2013.01); H01L 2251/53 (2013.01); H01L 2251/5369 (2013.01); Y10T 428/1036 (2015.01); Y10T 428/1041 (2015.01);
Abstract
A liquid crystal display device, includes a liquid crystal panel; and a backlight unit under the liquid crystal panel and having a light source. The light source includes a first luminous material having a first peak wavelength, a second luminous material having a second peak wavelength greater than the first peak wavelength, a third luminous material having a third peak wavelength greater than the second peak wavelength, and a light absorption material having an absorption maximum at a wavelength between the second peak wavelength and the third peak wavelength.