Pixel circuit, driving method thereof and display device

A pixel circuit and sub-circuit technology, applied in the display field, can solve the problems of dynamic image smear and poor display effect, and achieve the effect of shortening the lighting time, reducing the dynamic image smearing, and improving the display effect.

Pending Publication Date: 2020-05-19
HEFEI XINSHENG OPTOELECTRONICS TECH CO LTD +1
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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 pixel circuit, a driving method thereof, and a display device, so as to solve the problem of smearing of a dynamic picture in a display device in the related art during the display process of a dynamic picture, resulting in poor display effect

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

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Embodiment Construction

[0042] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0043] An embodiment of the present invention provides a pixel circuit, such as figure 1 As shown, it includes a light emitting device 110, a driving subcircuit 120, an energy storage subcircuit 130, a data writing subcircuit 140 and a pull-down subcircuit 150;

[0044] The data writing sub-circuit 140 is used to control the voltage signal on the data line DL (DataLine) to be written into the control terminal of the driving sub-circuit 120 under the co...

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Abstract

The invention provides a pixel circuit, a driving method thereof and a display device, wherein the pixel circuit comprises a light-emitting device, a driving sub-circuit, an energy storage sub-circuit, a data writing sub-circuit and a pull-down sub-circuit. The data writing sub-circuit is used for controlling a voltage signal on a data line to be written into a control end of the driving sub-circuit under the control of a data writing control signal provided by a data writing control line; the driving sub-circuit is used for controlling the first end of the driving sub-circuit to be communicated with the second end of the driving sub-circuit under the control of the voltage of the control end of the driving sub-circuit; the energy storage sub-circuit is used for controlling the voltage ofa target node; the light-emitting device is electrically connected with the target node; and the pull-down sub-circuit is used for controlling the voltage of the target node under the control of a pull-down control signal provided by the pull-down control line, so that the light-emitting device does not emit light. According to the pixel circuit, the driving method thereof and the display device,the display effect of the display device is improved.

Description

technical field [0001] The present invention relates to the field of display technology, in particular to a pixel circuit, a driving method thereof, and a display device. Background technique [0002] Active Matrix Organic Light Emitting Diode (AMOLED) is one of the hotspots in the field of flat panel display research today. Compared with liquid crystal displays, Organic Light Emitting Diode (OLED) has low energy consumption, Due to the advantages of low production cost, self-illumination, wide viewing angle and fast response speed, OLED has begun to replace the traditional Liquid Crystal Display (LCD) in display fields such as mobile phones, PDAs (Personal Digital Assistant, PDA), and digital cameras. LCD). Pixel drive circuit design is the core technical content of AMOLED display, which has important research significance. [0003] In the related art, during the display process of the dynamic picture, the OLED display device has the phenomenon of smear of the dynamic pic...

Claims

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Application Information

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IPC IPC(8): G09G3/3225
CPCG09G3/3225G09G2320/0257G09G3/3233G09G2300/0819G09G2300/0842G09G2310/0202G09G2310/0251G09G2320/0233G09G2320/043G09G2320/0295G09G3/3258G09G2300/0426G09G2310/08G09G2320/045G09G2330/021
Inventor 李永谦冯雪欢
Owner HEFEI XINSHENG OPTOELECTRONICS TECH CO LTD
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