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Driving method of pixel circuit, display panel and display device

A technology of a pixel circuit and a driving method, which is applied in the display field and can solve problems such as short-term afterimages and poor display effects of the display panel

Active Publication Date: 2021-04-13
YUNGU GUAN TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, there is a problem of short-term afterimage in the existing display panel, which makes the display effect poor

Method used

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  • Driving method of pixel circuit, display panel and display device
  • Driving method of pixel circuit, display panel and display device
  • Driving method of pixel circuit, display panel and display device

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Embodiment Construction

[0042] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings but not all structures.

[0043] As mentioned in the background art, there is a problem of short-term afterimage in the existing display panel. For example, the light-emitting devices originally displaying different gray scales in the display panel switch to the same gray scale with different luminances, which makes the display effect poor. The inventors have found through research that the reason for the above problems is that the existing display panels usually include a plurality of pixel circuits, and the pixel circuits include drive tr...

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Abstract

The embodiment of the present invention discloses a driving method of a pixel circuit, a display panel and a display device. The pixel circuit includes a driving transistor, a data writing transistor, a compensation transistor, a first initialization transistor, a second initialization transistor and a light emitting device. The compensation transistor is connected to the driving Between the gate of the transistor and the second pole, the second pole of the driving transistor is connected to the initialization power terminal through the first initialization transistor; the second initialization transistor is connected between the first signal terminal and the first pole of the driving transistor; the pixel circuit The driving method includes an initialization stage, providing a conduction control signal to the gate of the first initialization transistor and a gate of the compensation transistor, providing a conduction control signal to the gate of the second initialization transistor, and providing a fixed voltage to the first signal terminal; In the data writing stage, a turn-on control signal is provided to the gate of the data writing transistor, and then the drive transistor is completely reset in the initialization stage, thereby reducing the afterimage phenomenon.

Description

technical field [0001] Embodiments of the present invention relate to the field of display technology, and in particular, relate to a driving method of a pixel circuit, a pixel circuit, a display panel, and a display device. Background technique [0002] With the development of display technology, people have higher and higher requirements for display effects. [0003] Existing display panels usually include a plurality of pixel circuits and light emitting devices, and the pixel circuits drive the light emitting devices to emit light for display. [0004] However, there is a problem of short-term afterimage in the existing display panel, which makes the display effect poor. Contents of the invention [0005] The invention provides a driving method of a pixel circuit, a display panel and a display device, so as to improve short-term afterimage phenomenon and improve display effect. [0006] In the first aspect, an embodiment of the present invention provides a driving met...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G3/20
CPCG09G3/20G09G2320/0257G09G3/3233G09G2300/0819G09G2300/0842G09G2300/0861G09G2310/0251G09G3/3266
Inventor 赵东方沈阳郭子栋张豪峰杜哲李俊峰葛泳
Owner YUNGU GUAN TECH CO LTD
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