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. 17, 2024
Filed:
Jul. 31, 2020
Applicant:
Agc Inc., Chiyoda-ku, JP;
Inventors:
Assignee:
AGC Inc., Chiyoda-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
C09B 57/00 (2006.01); C09B 23/08 (2006.01); C09B 23/10 (2006.01); G02B 5/20 (2006.01); G02B 5/22 (2006.01); G02B 5/26 (2006.01);
U.S. Cl.
CPC ...
C09B 57/007 (2013.01); C09B 23/083 (2013.01); C09B 23/10 (2013.01); C09B 23/107 (2013.01); G02B 5/223 (2013.01); G02B 5/208 (2013.01); G02B 5/26 (2013.01);
Abstract
The present invention relates to an optical filter containing: an absorption layer containing a near-infrared absorbing dye (A) having a maximum absorption wavelength in dichloromethane being in a wavelength range of 850 to 1,100 nm and a transparent resin; and a reflection layer formed of a dielectric multilayer film, in which the near-infrared absorbing dye (A) satisfies the following Formulae (1) to (4).ABS/ABS<0.10 (1),ABS/ABS<0.04 (2),ABS/ABS<0.15 (3), andABS/ABS<0.10 (4).