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:
Dec. 06, 2016
Filed:
Apr. 29, 2014
Boe Technology Group Co., Ltd., Beijing, CN;
BOE Technology Group Co., Ltd., Beijing, CN;
Abstract
Provided are a pixel circuit and driving method thereof and a display apparatus. The pixel circuit comprises a first transistor (T), a second transistor (T), a third transistor (T), a storage capacitor (C), a parasitic capacitor (C) and a light emitting device (L). A first electrode of the first transistor (T) is connected to a first power source signal terminal, and its second electrode is connected to a first electrode of the third transistor (T); the gate of the second transistor (T) is connected to a first control signal terminal (S), its first electrode is connected to a data signal terminal (DATA), and its second electrode is connected to the gate of the first transistor (T); the gate of the third transistor (T) is connected to a second control signal terminal (S), and its second electrode is connected to one terminal of the light emitting device (L); one terminal of the storage capacitor (C) is connected to the gate of the first transistor (T), and the other terminal of the storage capacitor is connected to one terminal of the light emitting device (L); one terminal of the parasitic capacitor (C) is connected to one terminal of the light emitting device (L), and the other terminal of the parasitic capacitor (C) is connected to the other terminal of the light emitting device (L); and the other terminal of the light emitting device (L) is also connected to a second power source signal terminal (ELVSS). The pixel circuit can effectively compensate for the threshold voltage shift of the TFTs and improve the display effect.