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:
Oct. 20, 2020
Filed:
Jul. 12, 2016
Applicant:
Nitto Denko Corporation, Ibaraki-shi, Osaka, JP;
Inventors:
Assignee:
NITTO DENKO CORPORATION, Ibaraki-shi, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 5/30 (2006.01); H01L 51/50 (2006.01); H05B 33/02 (2006.01); B32B 17/10 (2006.01); B32B 7/12 (2006.01); B32B 23/04 (2006.01); B32B 27/08 (2006.01); B32B 27/36 (2006.01); B32B 27/30 (2006.01); B32B 17/06 (2006.01); H01L 51/52 (2006.01); C09J 7/38 (2018.01);
U.S. Cl.
CPC ...
G02B 5/3083 (2013.01); B32B 7/12 (2013.01); B32B 17/064 (2013.01); B32B 17/10018 (2013.01); B32B 23/046 (2013.01); B32B 27/08 (2013.01); B32B 27/306 (2013.01); B32B 27/36 (2013.01); G02B 5/30 (2013.01); H01L 51/50 (2013.01); H01L 51/5012 (2013.01); H01L 51/5281 (2013.01); H05B 33/02 (2013.01); B32B 2255/04 (2013.01); B32B 2255/10 (2013.01); B32B 2255/26 (2013.01); B32B 2307/40 (2013.01); B32B 2307/732 (2013.01); B32B 2329/04 (2013.01); B32B 2457/00 (2013.01); B32B 2457/20 (2013.01); C09J 7/38 (2018.01);
Abstract
Provided is a circularly polarizing plate for an organic EL display apparatus, which has a high barrier function, is extremely thin, and has an excellent antireflection function. The circularly polarizing plate for an organic EL display apparatus of the present invention includes in this order: a polarizer; a retardation layer, which is configured to function as a λ/4 plate; a barrier layer; and a pressure-sensitive adhesive layer, which has a barrier function, in which the barrier layer includes thin glass having a thickness of from 5 μm to 100 μm.