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:
Apr. 20, 2021
Filed:
Sep. 20, 2019
Applicant:
Nitto Denko Corporation, Ibaraki, JP;
Inventors:
Masataka Nishiwaki, Ibaraki, JP;
Kazuki Minoura, Ibaraki, JP;
Kenta Jozuka, Ibaraki, JP;
Naohiro Kato, Ibaraki, JP;
Assignee:
NITTO DENKO CORPORATION, Ibaraki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1333 (2006.01); C09J 7/38 (2018.01); G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
G02F 1/133308 (2013.01); C09J 7/38 (2018.01); G02F 1/133512 (2013.01); G02F 1/133331 (2021.01);
Abstract
Provided is a PSA sheet that can be processed with excellent precision while providing excellent light-blocking properties in an in-plane direction and in the thickness direction in an embodiment where the support substrate has a limited thickness. The PSA sheet has a support substrate having a thickness less than 75 μm and a PSA layer placed at least on one face of the support substrate. The PSA sheet has light transmittances of 0.04% or lower in XY and Z directions thereof.