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Pixel circuit, driving method thereof and display device

A technology of pixel circuits and driving transistors, applied in static indicators, instruments, etc., can solve the problem of uneven brightness, and achieve the effect of improving the problem of uneven brightness.

Pending Publication Date: 2020-10-09
WUHAN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present application is to provide a pixel circuit, its driving method, and a display device, so as to improve the problem of uneven brightness caused by anode shunting in low gray scale of organic light-emitting diode light-emitting display

Method used

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  • Pixel circuit, driving method thereof and display device
  • Pixel circuit, driving method thereof and display device
  • Pixel circuit, driving method thereof and display device

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Embodiment Construction

[0035] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Apparently, the described embodiments are only some of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without making creative efforts belong to the scope of protection of this application.

[0036]The present application provides a display device, which includes a display panel and a source driver. The display panel is an organic light emitting diode display panel. The display panel includes a display area and a non-display area outside the display area. The display area of ​​the display panel is provided with a plurality of pixel circuits arranged in an array, and the display area of ​​the display panel is also provided with scanning signal lines, data signal line...

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Abstract

The invention provides a pixel circuit, a driving method thereof and a display device. The pixel circuit comprises an organic light emitting diode; the output end of the driving transistor is electrically connected with the anode of the organic light emitting diode; the first end of the compensation transistor is connected with the output end of the driving transistor, and the second end of the compensation transistor is electrically connected with the control end of the driving transistor; the input end of the initialization transistor is connected with the initialization signal line, the output end of the initialization transistor is connected with the second end of the compensation transistor, and the output end of the initialization transistor is electrically connected with the controlend of the driving transistor; and the input end of the anode reset transistor is connected with the output end of the driving transistor and the first end of the compensation transistor, and the output end of the anode reset transistor is connected with the anode of the organic light emitting diode.

Description

technical field [0001] The present application relates to the field of display technology, in particular to a pixel circuit, a driving method thereof, and a display device. Background technique [0002] see figure 1 , which is an equivalent circuit diagram of a pixel circuit of a conventional single pixel. The pixel circuit of a single pixel includes a drive transistor T1, a switch transistor T2, a compensation transistor T3, an initialization transistor T4, a first light emission control transistor T5, a second light emission control transistor T6, an anode reset transistor T7, a storage capacitor C and an organic light emitting diode OLED. The control terminal of the driving transistor T1 is connected to the first terminal of the storage capacitor C, the first terminal of the compensation transistor T3 and the first terminal of the initialization transistor T4, and the first terminal of the driving transistor T1 is connected to the first terminal through the first light e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/3233
CPCG09G3/3233G09G2320/0233G09G2300/0819G09G2300/0842G09G2300/0861G09G2320/0238G09G2320/0214G09G2310/061
Inventor 王选芸戴超
Owner WUHAN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
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