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:
Oct. 21, 2014
Filed:
Jun. 09, 2006
Iichiro Inoue, Tenri, JP;
Koichi Miyachi, Soraku-gun, JP;
Seiji Shibahara, Matsudo, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
A display element having high response property, wide viewing angle property, and high contrast property, and exhibiting a wide driving temperature range and excellent durability and reliability. Between two facing substrates (), a cholesteric liquid crystal layer () made of a liquid crystal material exhibiting a cholesteric phase whose spontaneous twist pitch is shorter than a wavelength of visible light is provided. Facing planes of the substrates () are provided with alignment films () for aligning liquid crystal molecules near the interface of the substrate in a specific direction. Furthermore, the planes are provided with electrodes () for applying an electric field on the cholesteric liquid crystal layer () in a direction substantially parallel to a plane of each substrate. The cholesteric liquid crystal layer () exhibits optical isotropy in the direction parallel to the plane of each substrate when no voltage is applied. Display is performed by applying an electric field on the cholesteric liquid crystal layer () so as to exhibit optical anisotropy in the direction parallel to the plane of each substrate.