logo

For the Inventor, By the Inventor

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 12295202 B1

PDFFull Text
Date of Patent:
May. 06, 2025

Filed:

Feb. 27, 2019

Optical film and image display device

Applicant:

Dai Nippon Printing Co., Ltd., Tokyo, JP;

Inventors:

Yoshimasa Ogawa, Tokyo, JP;

Keisuke Ebisu, Tokyo, JP;

Yousuke Kousaka, Tokyo, JP;

Jun Sato, Tokyo, JP;

Takahito Kawakami, Tokyo, JP;

Atsuhiro Kobayashi, Tokyo, JP;

Hiroki Matsushita, Tokyo, JP;

Assignee:

DAI NIPPON PRINTING CO., LTD., Tokyo, JP;

Attorney:

HSML P.C.

Primary Examiner:

Jennifer T Nguyen

Int. Cl.
CPC ...
G09G 5/00 (2005.12); B32B 7/023 (2018.12); B32B 27/08 (2005.12); B32B 27/28 (2005.12); B32B 27/36 (2005.12); G02B 1/14 (2014.12); H10K 50/844 (2022.12); H10K 50/86 (2022.12); H10K 59/12 (2022.12); H10K 59/40 (2022.12); H10K 77/10 (2022.12); H10K 102/00 (2022.12);
U.S. Cl.
CPC ...
H10K 50/844 (2023.01); B32B 7/023 (2018.12); B32B 27/08 (2012.12); B32B 27/281 (2012.12); B32B 27/36 (2012.12); G02B 1/14 (2015.01); H10K 50/86 (2023.01); H10K 59/12 (2023.01); H10K 59/40 (2023.01); H10K 77/111 (2023.01); B32B 2255/10 (2012.12); B32B 2255/26 (2012.12); B32B 2255/28 (2012.12); B32B 2307/42 (2012.12); B32B 2457/206 (2012.12); B32B 2551/00 (2012.12); H10K 2102/311 (2023.01);
Abstract

Provided are a foldable optical film with excellent impact resistance and with capability to improve design quality, and an image display device including the same. An aspect of the present invention provides a foldable optical filmwith a front surfaceA and a back surfaceB opposite to the front surfaceA, wherein optical filmincludes a hard coat layer, a resin layer, and a decorative layer; the hard coat layeris located closer to the front surfaceA than the resin layerand the decorative layerin the optical film; and the resin layerhas a film thickness of 10 μm or more, and the resin layerhas a Martens hardness of 1 MPa or more and 100 MPa or less.

Find Patent Forward Citations

Loading…