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:
Apr. 28, 2026
Filed:
Jun. 25, 2024
Japan Display Inc., Tokyo, JP;
Kojiro Ikeda, Tokyo, JP;
Takeo Koito, Tokyo, JP;
Japan Display Inc., Tokyo, JP;
Abstract
Disclosed is a lighting device including a light source, a first liquid crystal panel over the light source, and a second liquid crystal panel over the first liquid crystal panel. Each of the first liquid crystal panel and the second liquid crystal panel includes: a substrate; a plurality of lower electrodes arranged over the substrate in a stripe shape; a first orientation film over the plurality of lower electrodes; a liquid crystal layer over the first orientation film; a second orientation film arranged over the liquid crystal layer and having an orientation direction orthogonal to that of the first orientation film; a plurality of upper electrodes arranged over the second orientation film, orthogonal to the plurality of lower electrodes, and arranged in a stripe shape; and a counter substrate over the plurality of upper electrodes.