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:
Sep. 05, 2023
Filed:
Jan. 15, 2021
Seiko Epson Corporation, Tokyo, JP;
Takumi Kodama, Suwa, JP;
Takeshi Koshihara, Matsumoto, JP;
SEIKO EPSON CORPORATION, Tokyo, JP;
Abstract
The display device includes a pixel circuit provided corresponding to a data line and a scanning line, the pixel circuit includes first to fourth transistors and a display element, and the first transistor supplies a current in accordance with a voltage between a gate node and a source node to the display element via the fourth transistor, the second transistor is disposed between the data line and the gate node of the first transistor and is turned on and off in accordance with a potential of the scanning line, the third transistor is disposed between the data line and a drain node of the first transistor, and the fourth transistor is disposed between the drain node of the first transistor and the display element.