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:
Jun. 02, 2020
Filed:
Feb. 08, 2018
Japan Display Inc., Tokyo, JP;
Daichi Suzuki, Tokyo, JP;
Kazuhiko Sako, Tokyo, JP;
Japan Display Inc., Tokyo, JP;
Abstract
According to an aspect, a display device includes: a display panel including a display area with pixels; a backlight; and a dimmer. The dimmer includes a dimming panel including a dimming area overlapping the display area and a control circuit. The dimming area includes a plurality of regions each including a first electrode and a second electrode. The control circuit includes a shift register configured to receive an electrical signal for controlling a potential of each of the first electrodes and including a plurality of sequential circuits coupled in series, a holding circuit to which an output of each of the sequential circuits is coupled, and a gradation voltage setter to which an output of the holding circuit is coupled. Each of the first electrodes is coupled to an output of the gradation voltage setter.