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:
Aug. 22, 2017
Filed:
Jun. 23, 2015
Rohm Co., Ltd., Kyoto, JP;
Daisuke Nishinohara, Kyoto, JP;
Akimasa Maruo, Kyoto, JP;
Rohm Co., Ltd., Kyoto, JP;
Abstract
An electro-optical device includes: a display unit having a plurality of pixel circuits each including a driving transistor and a light emitting element that emits light depending on a current output from the driving transistor when a voltage is applied to a gate terminal of the driving transistor; and a test unit having a test unit connection switch connected to the gate terminal of the driving transistor of each of the pixel circuits, and a test voltage supply circuit connected to the gate terminal of each of the driving transistors through the test unit connection switch and configured to supply a test voltage to the gate terminal of each of the driving transistors when the test unit connection switch is turned on.