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:
Apr. 14, 2025
Filed:
Oct. 01, 2019
Sharp Kabushiki Kaisha, Osaka, JP;
Takayuki Nishiyama, Sakai, JP;
SHARP KABUSHIKI KAISHA, Sakai, JP;
Abstract
An organic EL display device includes the following: scanning line; data lines intersecting with the scanning lines; initialization lines; sub-pixel circuits provided to correspond to points of intersection between the scanning lines and data lines; and organic EL elements OLED provided to correspond to the sub-pixel circuits. The scanning signal lines, the data signal lines, the initialization power-source lines, the sub-pixel circuits and the light emitters are arranged in matrix in a display region. Each of the sub-pixel circuits includes the following: a drive transistor; a write transistor connecting a corresponding one of the data lines and the drive transistor together; a capacitor connected to the drive transistor and retaining a data signal; and a diode-connection transistor and an initialization transistor both connected between the drive transistor and a corresponding one of the initialization lines.