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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 11433644 B1

PDFFull Text
Date of Patent:
Sep. 06, 2022

Filed:

Feb. 20, 2020

Decorative sheet, method of manufacturing the same, and display device

Applicant:

Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;

Inventors:

Tomonori Sugiyama, Osaka, JP;

Kazuhiko Kaneuchi, Osaka, JP;

Hideaki Nakagawa, Osaka, JP;

Takayuki Nagahara, Osaka, JP;

Assignee:

PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD., Osaka, JP;

Attorney:

Wenderoth, Lind & Ponack, L.L.P.

Primary Examiner:

Lawrence D Ferguson

Int. Cl.
CPC ...
B32B 27/36 (2006.01); B32B 7/12 (2006.01); F21V 3/06 (2018.01); F21V 3/10 (2018.01); B32B 3/26 (2006.01); B32B 5/02 (2006.01); B32B 9/00 (2006.01); B32B 9/04 (2006.01); B32B 27/30 (2006.01); B32B 37/06 (2006.01); B32B 37/10 (2006.01); B32B 37/12 (2006.01); B32B 37/18 (2006.01); B32B 38/00 (2006.01); B44F 1/06 (2006.01); F21V 23/04 (2006.01); G09F 13/04 (2006.01); F21Y 115/10 (2016.01); F21W 121/00 (2006.01);
U.S. Cl.
CPC ...
B32B 7/12 (2013.01); B32B 3/26 (2013.01); B32B 5/022 (2013.01); B32B 9/002 (2013.01); B32B 9/045 (2013.01); B32B 9/047 (2013.01); B32B 27/308 (2013.01); B32B 27/36 (2013.01); B32B 27/365 (2013.01); B32B 37/06 (2013.01); B32B 37/10 (2013.01); B32B 37/1207 (2013.01); B32B 37/182 (2013.01); B32B 38/145 (2013.01); B44F 1/066 (2013.01); F21V 3/0625 (2018.02); F21V 3/10 (2018.02); F21V 23/0485 (2013.01); G09F 13/04 (2013.01); B32B 2255/28 (2013.01); B32B 2318/04 (2013.01); B32B 2333/04 (2013.01); B32B 2367/00 (2013.01); B32B 2369/00 (2013.01); B32B 2451/00 (2013.01); B32B 2457/208 (2013.01); F21W 2121/00 (2013.01); F21Y 2115/10 (2016.08);
Abstract

A decorative sheet including: a material sheet of which a surface roughness R1 on a front side is greater than a surface roughness R2 on a back side; a first adhesive layer provided on the front side of the material sheet; a thin film layer provided above the front side of the material sheet via the first adhesive layer; a second adhesive layer provided on the back side of the material sheet; and a sheet support layer provided below the back side of the material sheet via the second adhesive layer, in which each of the layers is integrated as one sheet, and an air layer exists on an interface between the first adhesive layer and a trough of an uneven shape on the front side of the material sheet.

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