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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 12181630 B1

PDFFull Text
Date of Patent:
Dec. 31, 2024

Filed:

Feb. 01, 2021

Low-refractive-index film, laminate, optical element, windbreak material, and display device

Applicant:

Nippon Sheet Glass Company, Limited, Tokyo, JP;

Inventors:

Satoru Kusaka, Tokyo, JP;

Koichiro Nakamura, Kanagawa, JP;

Hisao Imai, Mie, JP;

Hiroyuki Tanaka, Kanagawa, JP;

Assignee:

NIPPON SHEET GLASS COMPANY, LIMITED, Tokyo, JP;

Attorney:

HSML P.C.

Primary Examiner:

Nancy R Johnson

Int. Cl.
CPC ...
G02B 1/118 (2015.01); B32B 17/06 (2006.01);
U.S. Cl.
CPC ...
G02B 1/118 (2013.01); B32B 17/06 (2013.01); B32B 2255/20 (2013.01); B32B 2255/28 (2013.01); B32B 2457/20 (2013.01); B32B 2551/00 (2013.01);
Abstract

A low-refractive-index filmincludes a first layerand a second layer. The first layeris adjacent to a substrate. The low-refractive-index filmhas a refractive index of greater than or equal to 1.01 and less than or equal to 1.30. The first layerand the second layereach include hollow particlesand a binder. The first layersatisfies, for example, at least one selected from a group of conditions (I) and (II) described below.

Find Patent Forward Citations

Kusaka, Satoru. (2024). Low-refractive-index film, laminate, optical element, windbreak material, and display device (U.S. Patent No. 12181630). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12181630

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

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