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:
Sep. 22, 2020
Filed:
Jul. 23, 2019
Applicant:
Fujifilm Corporation, Tokyo, JP;
Inventors:
Satoshi Kuniyasu, Kanagawa, JP;
Tatsuya Oba, Kanagawa, JP;
Assignee:
FUJIFILM Corporation, Tokyo, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/50 (2010.01); B32B 27/30 (2006.01); H01L 21/02 (2006.01);
U.S. Cl.
CPC ...
H01L 33/504 (2013.01); B32B 27/306 (2013.01); H01L 21/02164 (2013.01); H01L 33/501 (2013.01); H01L 33/502 (2013.01);
Abstract
Provided is a wavelength conversion film that suppresses a deterioration of quantum dots by oxygen and is capable of suppressing a decrease in brightness. The wavelength conversion film includes a wavelength conversion layer and auxiliary layers sandwiching the wavelength conversion layer, in which the wavelength conversion layer has polyvinyl alcohol and cured substance particles of a (meth)acrylate compound including wavelength conversion particles, and an oxygen permeability of the auxiliary layer is 1.0×10to 1.0×10cc/(m·day·atm).