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:
Feb. 11, 2019
Applicant:
Dexerials Corporation, Tokyo, JP;
Inventors:
Kazuyuki Shibuya, Tokyo, JP;
Hideto Sagawa, Tokyo, JP;
Takahiro Kimura, Tokyo, JP;
Naoki Hanashima, Tokyo, JP;
Assignee:
DEXERIALS CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/02 (2006.01); G02B 3/00 (2006.01); G02B 1/115 (2015.01); G03B 21/62 (2014.01);
U.S. Cl.
CPC ...
G02B 5/0221 (2013.01); G02B 1/115 (2013.01); G02B 3/0043 (2013.01); G02B 5/0252 (2013.01); G02B 5/0294 (2013.01); G03B 21/62 (2013.01);
Abstract
There is provided a microlens array diffuser plate including: a microlens group positioned on a surface of a transparent substrate. The microlens group at least corresponding to a light ray entering part in the microlens array diffuser plate includes two or more unit cells that are continuous in an array sequence, and the unit cells include a plurality of microlenses positioned on the surface of the transparent substrate. The light ray entering part has at least two regions having different average diffusion angles.