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:
May. 04, 2021
Filed:
Jul. 20, 2020
Applicant:
CM Visual Technology Corporation, Tainan, TW;
Inventors:
Assignee:
CM VISUAL TECHNOLOGY CORPORATION, Tainan, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 8/00 (2006.01); G02B 5/18 (2006.01); G02B 27/00 (2006.01); G02B 27/60 (2006.01);
U.S. Cl.
CPC ...
G02B 27/0025 (2013.01); G02B 5/1823 (2013.01); G02B 6/0053 (2013.01); G02B 27/60 (2013.01);
Abstract
An optical element including a first pattern is provided. The first pattern includes a film and a plurality of light deflection regions arranged on the film, wherein each light deflection region comprises a diffraction structure having two or more than two amplitudes.