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. 26, 2023
Filed:
Jun. 29, 2020
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Seokhoon Jang, Daejeon, KR;
Heon Kim, Daejeon, KR;
Se Hyun Kwon, Daejeon, KR;
Yeongrae Chang, Daejeon, KR;
Assignee:
LG Chem, Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03H 1/02 (2006.01); C08F 2/50 (2006.01); C08F 220/20 (2006.01); C08F 283/12 (2006.01); G03F 7/032 (2006.01);
U.S. Cl.
CPC ...
C08F 283/128 (2013.01); C08F 2/50 (2013.01); G03H 1/02 (2013.01); C08F 220/20 (2013.01); G03H 2001/0216 (2013.01); G03H 2001/0264 (2013.01); G03H 2210/10 (2013.01); G03H 2260/12 (2013.01);
Abstract
The present disclosure relates to a photopolymer composition including a polymer matrix or a precursor thereof having a predetermined chemical structure; a photoreactive monomer; and a photoinitiator, a hologram recording medium, an optical element and a holographic recording method using the same.