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:
May. 13, 2025
Filed:
Jul. 03, 2020
Applicant:
Lg Innotek Co., Ltd., Seoul, KR;
Inventors:
Hyun Hee Chae, Seoul, KR;
Jung Ho Lee, Seoul, KR;
Assignee:
LG INNOTEK CO., LTD., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 33/54 (2010.01); H01L 25/075 (2006.01); H01L 33/58 (2010.01); H10H 20/853 (2025.01); H10H 20/855 (2025.01); H10H 20/01 (2025.01);
U.S. Cl.
CPC ...
H10H 20/853 (2025.01); H01L 25/0753 (2013.01); H10H 20/855 (2025.01); H10H 20/0363 (2025.01);
Abstract
An embodiment may include a lighting device comprising: a substrate; a light emitting device disposed on the substrate; a resin layer disposed on the light emitting device and covering the light emitting device; a diffusion layer disposed on the resin layer; an optical pattern disposed between the lower surface of the diffusion layer and the resin layer; and a cover layer surrounding the optical pattern, wherein the cover layer comprises a release agent.