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:
Feb. 21, 2023
Filed:
Aug. 11, 2021
Applicant:
Nichia Corporation, Anan, JP;
Inventors:
Assignee:
NICHIA CORPORATION, Anan, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/13357 (2006.01); F21V 7/22 (2018.01); F21V 9/30 (2018.01); F21V 7/00 (2006.01); F21V 13/08 (2006.01); G02F 1/1335 (2006.01); F21Y 115/30 (2016.01); F21Y 105/16 (2016.01); F21Y 115/10 (2016.01);
U.S. Cl.
CPC ...
F21V 7/22 (2013.01); F21V 7/0083 (2013.01); F21V 9/30 (2018.02); F21V 13/08 (2013.01); G02F 1/133603 (2013.01); G02F 1/133605 (2013.01); G02F 1/133606 (2013.01); G02F 1/133611 (2013.01); F21Y 2105/16 (2016.08); F21Y 2115/10 (2016.08); F21Y 2115/30 (2016.08); G02F 1/133557 (2021.01); G02F 1/133614 (2021.01);
Abstract
A light emitting device includes: a mounting board; a plurality of light sources positioned on the mounting board; first and second prism array layers stacked with each other; a dichroic layer positioned between the first and second prism array layers and the plurality of light sources; and a wavelength conversion layer positioned between the first and second prism array layers and the dichroic layer.