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:
Feb. 20, 2024
Filed:
Sep. 22, 2022
Applicant:
Lms Co., Ltd., Pyeongtaek-si, KR;
Inventors:
Hyeonuk Park, Pyeongtaek-si, KR;
Byeonghun Lee, Pyeongtaek-si, KR;
Assignee:
LMS Co., Ltd., Pyeongtaek-si, KR;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F21V 8/00 (2006.01); G02F 1/13357 (2006.01);
U.S. Cl.
CPC ...
G02F 1/133615 (2013.01); G02B 6/0023 (2013.01); G02B 6/0065 (2013.01); G02B 6/0081 (2013.01); G02F 1/133608 (2013.01); G02F 2201/56 (2013.01);
Abstract
A backlight unit includes a light source, a color conversion sheet disposed above the light source for converting a color of light emitted from the light source, and at least one optical film is disposed over the color conversion sheet. The one optical film has a base film, a first pattern layer including first patterns on one surface of the base film, and a second pattern layer disposed on the other surface of the base film and including second patterns different from the first patterns.