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:
Jan. 24, 2023
Filed:
Mar. 26, 2021
Sharp Kabushiki Kaisha, Sakai, JP;
SHARP KABUSHIKI KAISHA, Sakai, JP;
Abstract
The present invention relates to a dimming unit including: a dimming panel; and drive circuitry, the dimming panel sequentially including a first substrate, a liquid crystal layer, and a second substrate, the first substrate sequentially including an insulating substrate, a lower-layer electrode, a first insulating layer, multiple first electrodes, a second insulating layer, and a second electrode which is provided with multiple parallel linear electrodes and to which a constant voltage is applied, the first electrodes including multiple island electrodes which are spaced from each other in a plan view and are electrically connected to each other, at least one of the island electrodes being electrically connected to the lower-layer electrode through a contact hole, the drive circuitry controlling voltages applied to the respective first electrodes.