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:
Jan. 19, 2021
Filed:
Nov. 19, 2018
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Areum Kim, Daejeon, KR;
Jaehyun Yoo, Daejeon, KR;
Sungeun Park, Daejeon, KR;
Joonhyung Kim, Daejeon, KR;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/00 (2006.01); F21V 8/00 (2006.01); C09D 11/324 (2014.01);
U.S. Cl.
CPC ...
G02B 6/0011 (2013.01); C09D 11/324 (2013.01);
Abstract
An ultraviolet curable composition and a waveguide manufactured from the same are disclosed herein. In an embodiment, an ultraviolet curable composition for light shielding of a waveguide, comprises a colorant, an acrylate monomer, a urethane acrylate oligomer, an organosilane and a photopolymerization initiator, wherein adhesion between the cured composition and a glass substrate is 5B or greater by a ASTM D3359 standard and/or is 1,500 mN or greater by a microscratch test (MST).