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:
May. 09, 2023
Filed:
Apr. 03, 2020
Applicant:
Toppan Printing Co., Ltd., Tokyo, JP;
Inventor:
Masato Kurokawa, Tokyo, JP;
Assignee:
TOPPAN PRINTING CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 7/12 (2006.01); B32B 7/02 (2019.01); B32B 9/00 (2006.01); F21S 2/00 (2016.01); G02B 5/20 (2006.01); H01L 33/50 (2010.01);
U.S. Cl.
CPC ...
B32B 7/12 (2013.01); B32B 7/02 (2013.01); B32B 9/00 (2013.01); F21S 2/00 (2013.01); G02B 5/20 (2013.01); H01L 33/505 (2013.01); B32B 2307/40 (2013.01); B32B 2309/105 (2013.01);
Abstract
A phosphor protection film that includes two films that are bonded to each other via an adhesive layer. One of the two films is a film including an inorganic film layer. In the phosphor protection film, when the film including the inorganic film layer of the two films is a barrier film and the other film of the two films is a support film, the support film has a thickness occupying 72% or more of the total thickness of the phosphor protection film.