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. 30, 2025
Filed:
Jan. 14, 2020
Applicant:
Lg Electronics Inc., Seoul, KR;
Inventors:
Bokyung Kang, Seoul, KR;
Gunyoung Hong, Seoul, KR;
Younggil Yoo, Seoul, KR;
Minsung Kim, Seoul, KR;
Kyungpil Kim, Seoul, KR;
Assignee:
LG ELECTRONICS INC., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21K 9/64 (2016.01); C09K 11/59 (2006.01); F21Y 115/10 (2016.01); H10H 20/851 (2025.01);
U.S. Cl.
CPC ...
F21K 9/64 (2016.08); C09K 11/59 (2013.01); H10H 20/8513 (2025.01); F21Y 2115/10 (2016.08);
Abstract
Alighting apparatus can include a light emitting element that can irradiate light, and an optical conversion layer disposed on the light emitting element for converting the irradiated light. The optical conversion layer can include crystal grains of a first phosphor and crystal grains of a second phosphor, and the crystal grains of the first phosphor and the crystal grains of the second phosphor can be in mixed form in the optical conversion layer.