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. 20, 2015
Filed:
Feb. 14, 2013
Canon Kabushiki Kaisha, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A display apparatus includes: a plurality of pixel circuits; a reference voltage source for supplying a reference voltage to a reference voltage line; a first switch for connecting the reference voltage source to the reference voltage line; a data linefor supplying a data voltage to the pixel circuit, wherein the pixel circuitincludes a light emitting element, a driving transistor Mhaving a source connected to an anode of the light emitting element, a holding capacitor CS having one end connected to a gate of the driving transistor Mand having the other end connected to the source of the driving transistor M, a second switch for connecting the gate of the driving transistor Mto the data line, and a third switch for connecting the source of the driving transistor Mto the reference voltage line