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:
Sep. 21, 2021
Filed:
Dec. 07, 2018
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Seokhoon Jang, Daejeon, KR;
Sooyoung Kwak, Daejeon, KR;
Heon Kim, Daejeon, KR;
Se Hyun Kwon, Daejeon, KR;
Yeongrae Chang, Daejeon, KR;
Assignee:
LG CHEM, LTD., Seoul, KR;
Primary Examiner:
Int. Cl.
CPC ...
G03H 1/02 (2006.01); G03H 1/04 (2006.01); G03F 7/00 (2006.01); G03F 7/24 (2006.01); G03F 7/004 (2006.01); G03F 7/033 (2006.01); G11B 7/24 (2013.01); G11B 7/0065 (2006.01); C08K 5/00 (2006.01); G03F 7/075 (2006.01); G03F 7/027 (2006.01);
U.S. Cl.
CPC ...
G03F 7/001 (2013.01); C08K 5/0025 (2013.01); G03F 7/027 (2013.01); G03F 7/0758 (2013.01); G03H 1/0402 (2013.01); G03H 1/0465 (2013.01); G11B 7/0065 (2013.01); G11B 7/24 (2013.01); G03H 2001/0439 (2013.01); G03H 2260/12 (2013.01); G11B 2007/240025 (2013.01);
Abstract
The present disclosure is to provide a photopolymer composition including a polymer matrix or a precursor thereof having a specific chemical structure; a photoreactive monomer; and a photoinitiator. The present disclosure is also to provide a hologram recording medium, an optical element, and a holographic recording method using the photopolymer composition.