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:
Aug. 15, 2023
Filed:
Sep. 19, 2019
Applicant:
Dexerials Corporation, Tokyo, JP;
Inventors:
Mitsuo Arima, Tokyo, JP;
Masayuki Ishiwata, Tokyo, JP;
Assignee:
DEXERIALS CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 3/04 (2006.01); G02B 3/00 (2006.01); F21V 8/00 (2006.01); G02F 1/13357 (2006.01);
U.S. Cl.
CPC ...
G02B 3/04 (2013.01); G02B 3/0043 (2013.01); G02B 6/0036 (2013.01); G02F 1/133605 (2013.01);
Abstract
To provide a light diffuser plate that can control an anisotropic shape of diffused light. The light diffuser plate includes a base material, and a group structure including a plurality of convexities or concavities provided on at least one main surface of the base material and having anisotropic shapes extended in a common direction. The plurality of convexities or concavities are arranged randomly and densely on the main surface of the base material. A boundary between adjacent ones of the plurality of convexities or concavities includes a plurality of curved lines having curvatures different from each other.