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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.:

US 11631789 B1

PDFFull Text
Date of Patent:
Apr. 18, 2023

Filed:

Sep. 27, 2021

Light emitting device

Applicant:

Nichia Corporation, Anan, JP;

Inventors:

Yuichi Yamada, Anan, JP;

Motokazu Yamada, Tokushima, JP;

Assignee:

NICHIA CORPORATION, Anan, JP;

Attorney:

Mori & Ward, LLP

Primary Examiner:

Mark W Tornow

Int. Cl.
CPC ...
H01L 33/46 (2010.01); H01L 33/48 (2010.01); H01L 33/50 (2010.01); H01L 33/58 (2010.01); H01L 33/62 (2010.01); H01L 33/54 (2010.01); H01L 33/60 (2010.01);
U.S. Cl.
CPC ...
H01L 33/46 (2013.01); H01L 33/486 (2013.01); H01L 33/505 (2013.01); H01L 33/58 (2013.01); H01L 33/62 (2013.01); H01L 33/54 (2013.01); H01L 33/60 (2013.01); H01L 2224/16225 (2013.01); H01L 2224/73204 (2013.01);
Abstract

A light emitting device includes a base including a support having a support surface. A light emitting element includes a semiconductor layer and a sapphire substrate provided on the semiconductor layer opposite to the support surface. A reflecting film provided on the sapphire substrate. A light-transmissive covering member is provided on the support surface. A height of the light-transmissive covering member viewed in a direction in which a width of the light-transmissive covering member appears smallest is 0.5 times or less of the width of the light-transmissive covering member. A light reflecting layer is provided on a first region of the base such that a first reflectivity in the first region of the base being higher than a second reflectivity in a second region of the base, the second region overlapping with the light emitting element and being surrounded by the first region as viewed in the height direction.

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