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Pixel drive circuit of organic light-emitting diode, array substrate and display device

A pixel driving circuit and light-emitting diode technology, which can be applied to static indicators, instruments, etc., can solve the problem of uneven display of organic light-emitting diode display devices.

Active Publication Date: 2016-02-03
WUHAN TIANMA MICRO ELECTRONICS CO LTD
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0004] In view of this, the embodiment of the present invention provides a pixel driving circuit capable of compensating the threshold voltage drift and the power supply voltage drop of the driving thin film transistor, so as to solve the organic light emission caused by the process, module aging and voltage drop in the prior art. The problem of uneven display of the diode display device

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  • Pixel drive circuit of organic light-emitting diode, array substrate and display device
  • Pixel drive circuit of organic light-emitting diode, array substrate and display device
  • Pixel drive circuit of organic light-emitting diode, array substrate and display device

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Embodiment Construction

[0023] Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. In addition, this invention is not limited to each following embodiment.

[0024] like figure 1 As shown, the organic light emitting diode display device according to the embodiment of the present invention includes an array substrate 10 , a timing control module, a scan driving module and a data driving module.

[0025] The array substrate 10 includes a plurality of pixel units 11 arranged in a matrix. The pixel units 11 pass through a plurality of first scan lines S1(1) to S1(n) and a plurality of second scan lines S2(1) to The corresponding scanning signals provided by S2(n), a plurality of third scanning lines S3(1) to S3(n) and a plurality of fourth scanning lines S4(1) to S4(n) and passing through a plurality of data from the data driving module The corresponding data signals provided by the lines DL1 to DLm emit light. To this end, the organic light em...

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Abstract

The invention provides a pixel drive circuit of an organic light-emitting diode, the circuit being used for driving an organic light-emitting diode to emit light. The pixel drive circuit of an organic light-emitting diode comprises a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a sixth transistor, a first capacitor, a second capacitor and a driving transistor. Through sequential cooperation among the first capacitor, the second capacitor and the transistors, the threshold voltage of the driving transistor is prevented from drifting and voltage drops of a high-level power source is prevented, image display unevenness caused by different driving currents that drive different organic light-emitting diodes to emit light is avoided when the different organic light-emitting diodes receive the same image data voltage.

Description

technical field [0001] The present invention relates to the field of display technology, in particular to an organic light emitting diode pixel drive circuit, an array substrate and a display device. Background technique [0002] Organic Light Emitting Diode (OLED) display module is one of the hotspots in the research field of flat panel display devices today. Compared with liquid crystal display modules, organic light emitting diode display modules have low energy consumption, low production cost, self-illumination, wide viewing angle and response speed. At present, organic light-emitting diode display modules have begun to replace traditional liquid crystal display modules in the display fields of mobile phones, tablets, and digital cameras. Pixel drive circuit design is the core technical content of organic light-emitting diode display modules, which has important research significance. [0003] Organic light-emitting diode display modules can be divided into passive mat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/3208
Inventor 靳增建戴超钱栋吴桐
Owner WUHAN TIANMA MICRO ELECTRONICS CO LTD
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