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A pixel driving circuit and its driving method, array substrate and display device

A pixel driving circuit and benchmark technology, applied in the field of pixel driving circuit and driving method, array substrate and display device, can solve the problem of high complexity of display panel, and achieve the effect of reducing the number, reducing power consumption and optimizing the driving circuit

Active Publication Date: 2017-03-29
BOE TECH GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is to provide a pixel driving circuit and its driving method, an array substrate and a display device, which are used to solve the complexity of the display panel in the display device caused by the large number of pixel driving circuits required in the display device. high level problem

Method used

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  • A pixel driving circuit and its driving method, array substrate and display device
  • A pixel driving circuit and its driving method, array substrate and display device
  • A pixel driving circuit and its driving method, array substrate and display device

Examples

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Embodiment 1

[0062] see figure 2 , The pixel drive circuit includes: a color data writing unit 1, a brightness control unit 2 and a graphene light-emitting device DTFT; the color data writing unit 1 includes a first switching tube T1 and a first storage capacitor C1, wherein the first switching tube T1 The control terminal of the first switch tube T1 receives the first gate control signal G1, and the input terminal of the first switching tube T1 receives the color data signal V data1 (the input end of the first switching tube T1 is connected to the color data line), the output end of the first switching tube T1 is connected to the control terminal of the graphene light-emitting device DTFT; one end of the first storage capacitor C1 is connected to the output end of the first switching tube T1, The other end of the first storage capacitor C1 is connected to the second power supply voltage input terminal VSS; the brightness control unit 2 includes a second switching tube T2, a third switchi...

Embodiment 2

[0072] see image 3 , The pixel driving circuit includes: a color data writing unit 1, a brightness control unit 2, a reference control unit 3 and a graphene light emitting device DTFT; the color data writing unit 1 includes a first switching tube T1 and a first storage capacitor C1, wherein, The control terminal of the first switching tube T1 receives the first grid control signal G1, and the input terminal of the first switching tube T1 receives the color data signal V data1 (the input end of the first switching tube T1 is connected to the color data line), the output end of the first switching tube T1 is connected to the control terminal of the graphene light-emitting device DTFT; one end of the first storage capacitor C1 is connected to the output end of the first switching tube T1, The other end of the first storage capacitor C1 is connected to the second power supply voltage input terminal VSS; the brightness control unit 2 includes a second switching tube T2, a third sw...

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Abstract

The invention discloses a pixel driving circuit and its driving method, an array substrate and a display device, and relates to the field of display technology. more complex problems. The pixel driving circuit includes: a color data writing unit, a brightness control unit and a graphene light-emitting device, and the graphene light-emitting device can emit light under the control of the color data signal and the brightness data signal. The driving method of the pixel driving circuit is used to drive the pixel driving circuit mentioned in the above technical solution. The pixel driving circuit provided by the present invention is used to drive the pixel unit to emit light.

Description

technical field [0001] The present invention relates to the field of display technology, in particular to a pixel driving circuit and a driving method thereof, an array substrate and a display device. Background technique [0002] With the continuous development of display technology, more and more display devices are applied to people's daily life. When these display devices display images, they generally realize by emitting light of corresponding colors through several pixel units included therein. However, since the light-emitting devices in the prior art (for example: organic light-emitting diodes, etc., devices that can convert electrical energy into light energy) have been manufactured, the color of the light that they can emit has been determined. Therefore, each pixel unit It generally includes several sub-pixel units, and each sub-pixel unit corresponds to a light-emitting device of one color. In this way, by controlling the brightness of each sub-pixel unit, the li...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G3/3208
CPCG09G3/3208G09G3/2003G09G2300/0809G09G2320/0233G09G3/22G09G2300/0439G09G2300/0876G09G2310/0262G09G2310/08
Inventor 李永谦徐攀李全虎
Owner BOE TECH GRP CO LTD