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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.:

US 12686795 B1

PDFFull Text
Date of Patent:
Jul. 21, 2026

Filed:

Jul. 08, 2022

Multilayer adhesive sheet, optical member comprising the same and display apparatus comprising the same

Applicant:

Samsung Sdi Co., Ltd., Yongin-si, KR;

Inventors:

Dong Myeong Shin, Suwon-si, KR;

Gwang Hwan Lee, Suwon-si, KR;

Sung Hyun Mun, Suwon-si, KR;

Il Jin Kim, Suwon-si, KR;

Do Young Kim, Suwon-si, KR;

Assignee:

Samsung SDI Co., Ltd., Yongin-si, KR;

Attorney:

Womble Bond Dickinson (US) LLP

Primary Examiner:

Eli D Strah

Int. Cl.
CPC ...
C09J 7/25 (2018.01); B32B 7/12 (2006.01); B32B 17/10 (2006.01); B32B 27/08 (2006.01); B32B 27/40 (2006.01); C08F 220/18 (2006.01); C09J 4/00 (2006.01); C09J 7/38 (2018.01); C09J 11/04 (2006.01); C09J 11/06 (2006.01); C09J 133/04 (2006.01); C09J 151/00 (2006.01); G09F 9/30 (2006.01); C09J 7/30 (2018.01); C09J 133/08 (2006.01); C09J 133/10 (2006.01);
U.S. Cl.
CPC ...
C09J 7/25 (2018.01); B32B 7/12 (2013.01); B32B 17/10 (2013.01); B32B 27/08 (2013.01); B32B 27/40 (2013.01); C08F 220/1808 (2020.02); C09J 4/00 (2013.01); C09J 7/385 (2018.01); C09J 11/04 (2013.01); C09J 11/06 (2013.01); C09J 133/04 (2013.01); C09J 151/00 (2013.01); C09J 151/003 (2013.01); G09F 9/30 (2013.01); G09F 9/301 (2013.01); B32B 2255/10 (2013.01); B32B 2255/26 (2013.01); B32B 2255/28 (2013.01); B32B 2307/54 (2013.01); B32B 2307/558 (2013.01); B32B 2307/732 (2013.01); B32B 2405/00 (2013.01); B32B 2457/20 (2013.01); B32B 2457/202 (2013.01); B32B 2457/206 (2013.01); B32B 2457/208 (2013.01); B32B 2551/00 (2013.01); C09J 7/30 (2018.01); C09J 133/08 (2013.01); C09J 133/10 (2013.01); C09J 2203/318 (2013.01); C09J 2203/326 (2013.01); C09J 2301/124 (2020.08); C09J 2301/16 (2020.08); C09J 2301/312 (2020.08); C09J 2301/408 (2020.08); C09J 2433/00 (2013.01); C09J 2475/006 (2013.01); C09K 2323/05 (2020.08); C09K 2323/057 (2020.08); C09K 2323/06 (2020.08);
Abstract

A multilayer adhesive sheet, an optical member including the same, and a display apparatus including the same are provided. A multilayer adhesive sheet includes: a base layer; a first adhesive layer stacked on a surface of the base layer; and a second adhesive layer stacked on another surface of the base layer, and the base layer includes a polyurethane-based film manufactured by solution casting and has a storage modulus of 700 MPa to 1,500 MPa at −20° C. and a storage modulus of 10 MPa to 100 MPa at 85° C.

Find Patent Forward Citations

Shin, Dong. (2026). Multilayer adhesive sheet, optical member comprising the same and display apparatus comprising the same (U.S. Patent No. 12686795). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12686795

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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