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:
Mar. 05, 2024
Filed:
Jan. 18, 2020
Applicant:
Appotronics Corporation Limited, Guangdong, CN;
Inventors:
Assignee:
APPOTRONICS CORPORATION LIMITED, Guangdong, CN;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 21/625 (2014.01); C08F 290/06 (2006.01); C09J 175/16 (2006.01); G03B 21/10 (2006.01); G03B 21/62 (2014.01);
U.S. Cl.
CPC ...
G03B 21/625 (2013.01); C08F 290/067 (2013.01); C09J 175/16 (2013.01); G03B 21/10 (2013.01); G03B 21/62 (2013.01);
Abstract
Provided is an optical coating for a projection screen, containing the following components in parts by weight: 2-15 parts of light-absorbing material, 5-20 parts of aluminum silver powder, 20-60 parts of acrylate oligomer, 10-45 parts of diluent, 0.5-15 parts of photoinitiator, and 0.1-6 parts of auxiliary agent; the light-absorbing material is one or more of carbon black, lamp black, iron black, and aniline black, and has an average particle size of 20-2000 nm; the aluminum silver powder is flake-shaped and has an average particle size of 3-10 μm.