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.

Date of Patent:
Aug. 08, 2023

Filed:

Aug. 08, 2022
Applicant:

Nichia Corporation, Anan, JP;

Inventors:

Akinori Hara, Anan, JP;

Toshiaki Yamashita, Komatsushima, JP;

Assignee:

NICHIA CORPORATION, Anan, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S 5/00 (2006.01); H01S 5/026 (2006.01); G02B 27/30 (2006.01); H01S 5/02255 (2021.01); H01S 5/02253 (2021.01); G02B 3/04 (2006.01); H01S 5/02212 (2021.01); H01S 5/40 (2006.01);
U.S. Cl.
CPC ...
H01S 5/0267 (2013.01); G02B 3/04 (2013.01); G02B 27/30 (2013.01); H01S 5/0087 (2021.01); H01S 5/02212 (2013.01); H01S 5/02253 (2021.01); H01S 5/02255 (2021.01); H01S 5/4025 (2013.01);
Abstract

A light emission device includes: a plurality of semiconductor light-emitting elements; an optical element configured to collimate light emitted from each of the plurality of semiconductor light-emitting elements and output a plurality of collimated beams; a converging portion having a surface of a hyperboloid or a paraboloid configured to converge the plurality of collimated beams; and a wavelength-converting portion including a transmissive region, and a reflective region that surrounds the transmissive region, the transmissive region including a light-incident surface at which the plurality of collimated beams that have been converged by the converging portion enter, wherein the transmissive region includes a phosphor adapted to be excited by the plurality of collimated beams that have been converged by the converging portion.


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