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. 10, 2021
Filed:
Oct. 30, 2019
Canon Kabushiki Kaisha, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A display device comprises a pixel area in which a plurality of pixels are arranged, and a dummy pixel area which is provided around the pixel area and in which a plurality of dummy pixels are arranged. Each of the pixel and the dummy pixel includes a light-emitting element including a first electrode and a second electrode, and a driving transistor. The first electrode of the light-emitting element is connected to the driving transistor in the pixel, and in the dummy pixel, the light-emitting element is not connected to the driving transistor, a first potential is supplied to the first electrode, a second potential is supplied to the second electrode, and the light-emitting element does not emit light at a potential difference between the first potential and the second potential.