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.

Date of Patent:
Jul. 08, 2025

Filed:

Dec. 16, 2020
Applicant:

Kuraray Co., Ltd., Kurashiki, JP;

Inventors:

Tatsuya Daimon, Tsukuba, JP;

Toshiyuki Ito, Tokyo, JP;

Daisuke Eguchi, Tokyo, JP;

Assignee:

KURARAY CO., LTD., Kurashiki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/22 (2006.01); D06N 3/00 (2006.01); D06N 3/14 (2006.01); H04R 29/00 (2006.01);
U.S. Cl.
CPC ...
G02B 5/223 (2013.01); D06N 3/0004 (2013.01); D06N 3/0011 (2013.01); D06N 3/14 (2013.01); H04R 29/008 (2013.01);
Abstract

A light-emitting display device includes: a light-emitting member; and a light-blocking layer-equipped fiber sheet that covers a light-emitting surface of the light-emitting member. The light-blocking layer-equipped fiber sheet includes a fiber sheet, and a light-blocking layer that is partially printed on at least one surface of the fiber sheet. The surface of the fiber sheet on which the light-blocking layer is formed has an arithmetic mean height Sa of 3 to 20 μm, as measured based on ISO 25178, and the fiber sheet has an apparent density of 0.5 g/cmor more.


Find Patent Forward Citations

Daimon, Tatsuya. (2025). Light-emitting display device, and a light-blocking layer-equipped fiber sheet for use in light-emitting display device (U.S. Patent No. 12352989). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12352989

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

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