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Digital driving pixel circuit, driving method thereof and display panel

A digital drive and pixel circuit technology, applied in static indicators, instruments, etc., can solve problems such as abnormal display of display panels and prone to failure of light-emitting devices

Inactive Publication Date: 2019-11-15
CHENGDU VISTAR OPTEOLECTRONICS CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Existing display panels usually include a plurality of light-emitting devices and pixel circuits that drive the light-emitting devices to emit light, but the existing display panels have the problem that the light-emitting devices are prone to failure, resulting in abnormal display of the display panel

Method used

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  • Digital driving pixel circuit, driving method thereof and display panel
  • Digital driving pixel circuit, driving method thereof and display panel
  • Digital driving pixel circuit, driving method thereof and display panel

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Embodiment Construction

[0038] 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.

[0039] As mentioned in the background art, the light-emitting devices in the existing display panels are prone to failure, which leads to the problem of abnormal display on the display panel. The inventors have found through research that the existing display panels usually include a plurality of sub-pixels and pixel circuits corresponding to the sub-pixels one by one, and each sub-pixel usually includes a light-emitting device. The device needs to be continuously lit, so that the light-emitting device continues t...

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Abstract

The embodiment of the invention discloses a digital driving pixel circuit, a driving method thereof and a display panel. The digital driving pixel circuit comprises a data writing module, a latch module, at least two light-emitting modules and light-emitting control modules in one-to-one correspondence with the light-emitting modules, the data writing module is used for controlling writing of datavoltage into the latch module; the latch module is used for latching data voltage; the light-emitting control module is used for alternate conduction; the at least two light-emitting modules are controlled to emit light alternately; further, the characteristic deterioration caused by long-time continuous work of the light-emitting module can be avoided; according to the digital drive circuit, theproblems of failure of the light-emitting modules and the like in the prior art are solved, so that each light-emitting module can release heat and be cooled after emitting light for a period of timeand when not emitting light, the temperature of each light-emitting module is not too high, good characteristics of the light-emitting modules are guaranteed, and the display effect of the display panel comprising the digital drive circuit is improved.

Description

technical field [0001] The embodiments of the present invention relate to the field of display technology, and in particular to a digitally driven pixel circuit, a driving method thereof, and a display panel. Background technique [0002] The working stability of the light emitting device in the display panel has a great influence on the display effect. [0003] Existing display panels generally include a plurality of light emitting devices and pixel circuits for driving the light emitting devices to emit light. However, the existing display panels have the problem that the light emitting devices are prone to failure, resulting in abnormal display of the display panel. Contents of the invention [0004] The invention provides a digitally driven pixel circuit, its driving method and a display panel, so as to reduce the failure of light-emitting devices in the display panel and improve the problem of abnormal display of the display panel. [0005] In the first aspect, an em...

Claims

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Application Information

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IPC IPC(8): G09G3/3208G09G3/32G09G3/3266
CPCG09G3/32G09G3/3208G09G3/3266
Inventor 黄飞
Owner CHENGDU VISTAR OPTEOLECTRONICS CO LTD
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