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:
Nov. 05, 2019
Filed:
Jun. 23, 2015
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Joo-Hyun Lee, Gyeonggi-do, KR;
Jang-Soon Kim, Gyeonggi-do, KR;
Bu-Gi Jung, Gyeonggi-do, KR;
Sang-Hwan Kim, Gyeonggi-do, KR;
Sung-Chan Park, Seoul, KR;
Chan-Oh Yoon, Chungcheongbuk-do, KR;
Han-Na Lee, Gyeonggi-do, KR;
Assignee:
LG Chem, Ltd., , KR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09J 7/00 (2018.01); C08F 220/18 (2006.01); C08F 265/06 (2006.01); C09J 4/06 (2006.01); G02B 1/04 (2006.01); C09J 7/10 (2018.01); C09J 133/06 (2006.01);
U.S. Cl.
CPC ...
C09J 7/00 (2013.01); C08F 220/18 (2013.01); C08F 265/06 (2013.01); C09J 4/06 (2013.01); C09J 7/10 (2018.01); G02B 1/04 (2013.01); C09J 133/066 (2013.01); C09J 2201/36 (2013.01); C09J 2201/606 (2013.01); C09J 2201/622 (2013.01); C09J 2203/318 (2013.01); C09J 2433/00 (2013.01);
Abstract
The present invention provides an optical adhesive sheet including a layered structure of a first adhesive layer and a second adhesive layer, in which the first adhesive layer has a glass transition temperature of −50° C. to −30° C. and a modulus of 0.3×10Pa to about 0.6×10Pa, and the second adhesive layer has a glass transition temperature of −20° C. to −10° C. and a modulus of 0.7×10Pa to 1.0×10Pa.