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Display panel, driving method thereof and display device

A technology for display panels and drive modules, applied in static indicators, instruments, etc., can solve problems such as threshold voltage drift of drive transistors

Pending Publication Date: 2020-12-22
XIAMEN TIANMA MICRO ELECTRONICS
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Embodiments of the present invention provide a display panel, a driving method thereof, and a

Method used

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  • Display panel, driving method thereof and display device
  • Display panel, driving method thereof and display device
  • Display panel, driving method thereof and display device

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Embodiment Construction

[0049] In order to make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described through implementation with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are the embodiment of the present invention. Some, but not all, embodiments. All other embodiments obtained by those skilled in the art based on the basic concepts disclosed and suggested by the embodiments of the present invention belong to the protection scope of the present invention.

[0050] refer to figure 1 , figure 1 It is a schematic diagram of a pixel circuit of the first display panel provided by the embodiment of the present invention. The display panel provided in this embodiment includes: a pixel circuit 10 and a light-emitting element 20; the pixel circuit 10 includes a light-emitting control module, a driving module 12, ...

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Abstract

The embodiment of the invention discloses a display panel, a driving method thereof and a display device. The display panel comprises a pixel circuit and a light-emitting element, the pixel circuit comprises a light-emitting control module, a driving module and a compensation module. The light-emitting control module comprises a first light-emitting control module, and the first light-emitting control module is used for selectively providing a first power supply signal for the driving module; the driving module is used for providing driving current for the light-emitting element and comprisesa driving transistor; the compensation module is used for compensating the threshold voltage of the driving transistor; the working process of the pixel circuit comprises a light-emitting stage and abias stage; and in the bias stage, the first light-emitting control module and the driving module are turned on, the compensation module is turned off, the driving transistor and the light-emitting element are disconnected, and a first power signal is written into the drain of the driving transistor from the source of the driving transistor and used for adjusting the bias state of the driving transistor. The embodiment of the invention weakens the threshold voltage drift of the driving transistor.

Description

technical field [0001] Embodiments of the present invention relate to the field of display technologies, and in particular, to a display panel, a driving method thereof, and a display device. Background technique [0002] In the display panel, the pixel circuit provides the driving current for the light-emitting elements of the display panel required for display, and controls whether the light-emitting elements enter the light-emitting stage, and is an indispensable element in most self-luminous display panels. [0003] However, in the existing display panel, as the usage time increases, the internal characteristics of the driving transistor in the pixel circuit change slowly, causing the threshold voltage of the driving transistor to drift, thereby affecting the comprehensive characteristics of the driving transistor, and further affecting the display uniformity. Contents of the invention [0004] Embodiments of the present invention provide a display panel, a driving met...

Claims

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Application Information

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IPC IPC(8): G09G3/30G09G3/32G09G3/3225
CPCG09G3/30G09G3/32G09G3/3225G09G2320/0233G09G2310/0262G09G2310/08G09G2300/0861G09G2300/0842G09G2300/0819G09G3/3233G09G2320/045G09G2300/043
Inventor 赖青俊朱绎桦安平
Owner XIAMEN TIANMA MICRO ELECTRONICS
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