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:
Jan. 17, 2023
Filed:
Sep. 23, 2021
Nichia Corporation, Anan, JP;
Daisuke Sato, Anan, JP;
NICHIA CORPORATION, Anan, JP;
Abstract
A light emitting device includes: a base portion comprising: an upward-facing surface, and a frame defining an inner lateral surface; a plurality of semiconductor laser elements arranged on the upward-facing surface and surrounded by the frame; a cover portion supported by the frame and disposed above the plurality of semiconductor laser elements; and a protrusion extending from a lower surface of the cover portion toward the upward-facing surface. Light emitted from each of the plurality of semiconductor laser elements is incident on a lateral surface of the protrusion, passes through the protrusion, is reflected at the boundary surface, and is transmitted through the cover portion.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile