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:
Dec. 12, 2023
Filed:
Aug. 22, 2022
Applicant:
Lumens Co., Ltd., Yongin-si, KR;
Inventor:
Sung Sik Jo, Yongin-si, KR;
Assignee:
LUMENS CO., LTD., Yongin-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01); G02F 1/13357 (2006.01); F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
G02F 1/133607 (2021.01); G02B 6/0036 (2013.01); G02F 1/133603 (2013.01); G02F 1/133611 (2013.01); G02F 1/133614 (2021.01);
Abstract
Provided is a backlight unit including: a substrate; a plurality of light-emitting devices mounted on the substrate; and an optical sheet disposed above the light-emitting devices, wherein the optical sheet is in contact with a light-emitting surface of at least one light-emitting device via one surface thereof, and emits light of the light-emitting device incident on one surface thereof to the other surface facing the one surface, while refracting or dispersing the light in a direction different from a direction in which the light is incident due to an optical pattern formed therein.