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:
Jun. 07, 2022
Filed:
Mar. 01, 2021
Applicant:
Nichia Corporation, Anan, JP;
Inventor:
Mamoru Imada, Anan, JP;
Assignee:
NICHIA CORPORATION, Anan, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 8/00 (2006.01); F21V 9/30 (2018.01); G02F 1/1335 (2006.01); G02F 1/13357 (2006.01); F21Y 105/16 (2016.01);
U.S. Cl.
CPC ...
G02B 6/0021 (2013.01); F21V 9/30 (2018.02); G02B 6/002 (2013.01); G02B 6/0038 (2013.01); G02B 6/0051 (2013.01); G02B 6/0055 (2013.01); G02B 6/0066 (2013.01); G02B 6/0086 (2013.01); G02F 1/133603 (2013.01); G02F 1/133605 (2013.01); G02F 1/133606 (2013.01); G02F 1/133612 (2021.01); F21Y 2105/16 (2016.08);
Abstract
A light-emitting module includes a two-dimensional array of a plurality of light-emitting units. Each of the light-emitting units includes a lightguide plate, a light source, and a light diffusing layer. The light guide plate has a first surface and a first hole portion. The first hole portion has at least one lateral surface and an opening at the first surface. The light source is provided at least partially inside the first hole portion. The light source includes a light-emitting element. The light diffusing layer covers part of the at least one lateral surface of the first hole portion.