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:
Dec. 05, 2023
Filed:
Sep. 14, 2022
Applicant:
Sanken Electric Co., Ltd., Niiza, JP;
Inventors:
Yousuke Umetsu, Niiza, JP;
Kazuyoshi Haga, Niiza, JP;
Assignee:
SANKEN ELECTRIC CO., LTD., Niiza, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/50 (2010.01); G02B 5/22 (2006.01);
U.S. Cl.
CPC ...
H01L 33/504 (2013.01); G02B 5/22 (2013.01);
Abstract
A dimming agent according to one or more embodiments is disclosed that may include at least one of terbium, praseodymium, manganese, titanium. A diffuse reflection intensity of the dimming agent in a wavelength of from 400 nm to 750 nm may be 80% or less.