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. 05, 2022
Filed:
Dec. 22, 2020
Applicant:
Lms Co., Ltd., Pyeongtaek-si, KR;
Inventors:
Yong Won Choi, Suwon-si, KR;
Ho Seong Na, Anyang-si, KR;
Min Soo Lee, Anyang-si, KR;
Woo Joo Lah, Yongin-si, KR;
Assignee:
LMS CO., LTD., Pyeongtaek-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/00 (2006.01); G02F 1/1335 (2006.01); G02F 1/13357 (2006.01);
U.S. Cl.
CPC ...
G02F 1/133607 (2021.01); G02F 1/133603 (2013.01);
Abstract
An optical film for efficiently and uniformly diffuses and collects the light from mini LEDs or micro LEDs, the bead diffusion layer and the pattern diffusion layer of the first diffusion sheet are formed such that a first diffusion rate of the light on the one surface of the first diffusion sheet is higher than a second diffusion rate of the light on the other surface of the first diffusion sheet.