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:
Sep. 29, 2020
Filed:
Feb. 02, 2018
Applicant:
Lg Innotek Co., Ltd., Seoul, KR;
Inventors:
Hyun Duck Yang, Seoul, KR;
Seong Jin Kim, Seoul, KR;
Eay Jin Lim, Seoul, KR;
Kwang Ho Park, Seoul, KR;
Jae Hyuk Jang, Seoul, KR;
Young Jae Choi, Seoul, KR;
Assignee:
LG INNOTEK CO., LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 1/00 (2006.01); F21K 9/65 (2016.01); F21K 9/68 (2016.01); F21K 9/69 (2016.01); F21V 3/02 (2006.01); F21V 13/04 (2006.01); F21Y 105/12 (2016.01); F21Y 115/10 (2016.01);
U.S. Cl.
CPC ...
F21K 9/65 (2016.08); F21K 9/68 (2016.08); F21K 9/69 (2016.08); F21V 3/02 (2013.01); F21V 13/04 (2013.01); F21Y 2105/12 (2016.08); F21Y 2115/10 (2016.08);
Abstract
An embodiment provides a lighting device comprising: a conversion unit including an optical layer having a plurality of optical patterns; a light emitting element for emitting light toward the optical patterns; and a circuit board on which the light emitting element is disposed, wherein the plurality of optical patterns are spaced apart from each other in a first direction and extend in a second direction intersecting the first direction, and the optical layer has a curvature in the first direction.