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.:
Date of Patent:
Feb. 15, 2022
Filed:
Oct. 16, 2019
Fujifilm Corporation, Tokyo, JP;
Yukito Saitoh, Minamiashigara, JP;
Daisuke Kashiwagi, Minamiashigara, JP;
Hirofumi Toyama, Minamiashigara, JP;
Naoyoshi Yamada, Minamiashigara, JP;
Takashi Yonemoto, Minamiashigara, JP;
Eiichiro Aminaka, Minamiashigara, JP;
FUJIFILM Corporation, Tokyo, JP;
Abstract
An optical film includes a cholesteric liquid crystal layer formed in a stripe-shaped pattern in which an optically anisotropic region having optical anisotropy and an optically isotropic region having optical isotropy are alternately disposed, a helical axis of a cholesteric liquid crystal in the optically anisotropic region is oriented in one axial direction tin a plane of the optical film, and the helical axis is oriented in a normal direction t of a boundary surface between the optically anisotropic region and the optically isotropic region.