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:
Mar. 15, 2022
Filed:
Mar. 01, 2021
Applicant:
Japan Display Inc., Tokyo, JP;
Inventor:
Masayuki Mifune, Tokyo, JP;
Assignee:
Japan Display Inc., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/13357 (2006.01); G02B 27/01 (2006.01); G02B 19/00 (2006.01);
U.S. Cl.
CPC ...
G02F 1/133605 (2013.01); G02B 19/0023 (2013.01); G02B 19/0066 (2013.01); G02B 27/0101 (2013.01); G02F 1/133603 (2013.01); G02F 1/133606 (2013.01); G02B 2027/0118 (2013.01);
Abstract
According to one embodiment, an illumination device includes a light source module including a plurality of light sources, and a reflector opposed to the light source module. The reflector includes a plurality of incidence openings on which light from the light sources is made incident, a plurality of emission openings opposed to the incidence openings, and a plurality of reflective surfaces extending from the incidence openings to the emission openings, respectively. Each of the reflective surfaces is formed by combining a plurality of curved surfaces arranged in an optical axis direction of the light sources.