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

A pixel driving circuit and a driving circuit technology are applied in the field of pixel driving circuits and driving methods, display panels and display devices, and can solve the problems of a large number of source-level driving chip channels, improving the physical resolution of the panel, limiting the compensation speed, and the like, Achieve the effect of easy gate drive integration, improved physical resolution, and improved compensation speed

Active Publication Date: 2022-07-29
BOE TECH GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the OLED (Organic Light-Emitting Diode, Organic Light-Emitting Diode) external compensation pixel circuit of the related art, the data line and the sensing line are two independent control lines. More, it is not conducive to improving the physical resolution of the panel and limiting the compensation speed

Method used

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

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Embodiment Construction

[0031] The following describes in detail the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to explain the present invention and should not be construed as limiting the present invention.

[0032] The following describes a pixel driving circuit and a driving method thereof, a display panel and a display device according to embodiments of the present invention with reference to the accompanying drawings.

[0033] figure 1 It is a block diagram of a pixel driving circuit according to an embodiment of the present invention. like figure 1 As shown, the pixel driving circuit 100 of the embodiment of the present invention includes: a driving circuit 10 , an energy storage circu...

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Abstract

The invention discloses a pixel driving circuit and a driving method thereof, a display panel and a display device. The pixel driving circuit comprises: a driving circuit; an energy storage circuit; a data and a sensing line; a first initialization circuit; a second initialization circuit; In the display mode, the data and sensing lines write the data voltage into the control terminal of the driving circuit through the data writing circuit, and in the sensing mode, the data and sensing lines receive the voltage output by the driving circuit through the second initialization circuit Sensing data in order to obtain the external compensation value of the driving circuit. Therefore, combining the data line and the sensing line can reduce the number of channels of the source-level driver chip, and at the same time, it can also ensure the accuracy of the obtained external compensation value, which is beneficial to Increase the physical resolution of the panel and increase the compensation speed.

Description

technical field [0001] The present invention relates to the field of display technology, and in particular, to a pixel driving circuit and a driving method thereof, a display panel and a display device. Background technique [0002] In the OLED (Organic Light-Emitting Diode) external compensation pixel circuit of the related art, the data line and the sensing line are two independent control lines. However, the problem in the related art is that the number of channels in the source driver chip It is not conducive to improving the physical resolution of the panel and limiting the compensation speed. SUMMARY OF THE INVENTION [0003] The present invention aims to solve one of the technical problems in the related art at least to a certain extent. [0004] Therefore, the first object of the present invention is to provide a pixel driving circuit, which combines data lines and sensing lines, which can reduce the number of channels of source-level driving chips, and at the sam...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G3/3225
CPCG09G3/3225G09G3/3233G09G2320/0295G09G2300/0842G09G2300/0819G09G2320/045G09G2300/0465G09G2300/0852G09G2310/066
Inventor 李永谦
Owner BOE TECH GRP CO LTD
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