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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 11561328 B1

PDFFull Text
Date of Patent:
Jan. 24, 2023

Filed:

Feb. 07, 2019

Phosphor protection film, wavelength conversion sheet, and light-emitting unit

Applicant:

Toppan Printing Co., Ltd., Tokyo, JP;

Inventors:

Hiroki Ichiba, Tokyo, JP;

Kei Tsuruzoe, Tokyo, JP;

Assignee:

TOPPAN PRINTING CO., LTD., Tokyo, JP;

Attorney:

Foley & Lardner LLP

Primary Examiner:

Anthony J Frost

Int. Cl.
CPC ...
G02B 1/14 (2015.01); G02B 5/20 (2006.01); G02B 1/11 (2015.01); G02B 1/16 (2015.01); B32B 7/12 (2006.01); B32B 27/36 (2006.01); F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
G02B 1/14 (2015.01); B32B 7/12 (2013.01); B32B 27/36 (2013.01); G02B 1/11 (2013.01); G02B 1/16 (2015.01); G02B 5/202 (2013.01); G02B 5/206 (2013.01); G02B 6/005 (2013.01); B32B 2264/102 (2013.01); B32B 2307/306 (2013.01); B32B 2307/412 (2013.01); G02B 6/0073 (2013.01);
Abstract

A phosphor protection film for protecting phosphors contained in a phosphor layer. The phosphor protection film includes a functional layer, a bulking layer that has a single-layer structure or a laminated structure, and a first vapor deposited layer (gas barrier layer) that has gas barrier properties in this order from outside to inside. The clearance between the functional layer and the first vapor deposited layer in the thickness direction of the phosphor protection film is 45 to 280 μm.

Find Patent Forward Citations

Ichiba, Hiroki. (2023). Phosphor protection film, wavelength conversion sheet, and light-emitting unit (U.S. Patent No. 11561328). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11561328

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

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