Displaying device and driving method thereof

A technology for display devices and sub-display areas, which is applied to static indicators, instruments, etc., and can solve problems such as affecting display effects and display panels being out of sync

Inactive Publication Date: 2019-03-19
XIAMEN TIANMA MICRO ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] For partition-controlled backlight, there may be several backlight-driven circuits or chips, and there is a problem of asynchrony between the backlight drive and the display panel drive, which affects the display effect

Method used

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  • Displaying device and driving method thereof
  • Displaying device and driving method thereof
  • Displaying device and driving method thereof

Examples

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Embodiment Construction

[0025] 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.

[0026] figure 1 is a schematic structural diagram of a display device provided by an embodiment of the present invention, refer to figure 1 , the display device includes: a display panel 100, the display panel 100 includes a plurality of scanning driving circuits 110 and a plurality of pixels 120, and the scanning driving circuit 110 includes a plurality of scanning signal output terminals ( figure 1 Middle gout1, gout2...) and multiple control signal output terminals ( figure 1 COUT1, COUT2...), the scanning si...

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PUM

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Abstract

The invention discloses a displaying device and a driving method thereof. The displaying device comprises a display panel, a backlight module and multiple switch units, and the switch units are in serial connection with a signal output end of a backlight driving circuit of a backlight module and an illumination unit. A scanning signal interval is output to pixels in a preset sub displaying regionthrough a scanning signal output end of a scanning driving circuit, and a cut-off signal is output to a control end of a switching unit which is electrically connected with the illumination unit corresponding to a sub display region by a control signal output end of the scanning driving circuit; after scanning signals are output to all of the pixels in the preset sub displaying region by a scanning signal output end of the scanning driving circuit, a connecting signal is output to the control end of the switching circuit which is electrically connected with the illumination unit in an illumination region of the backlight module corresponding to the sub displaying region by the control signal output end of the scanning driving signal so that the synchronization of displaying and backlight driving can be achieved to improve the displaying effect, regional control of the illumination unit of the backlight module is achieved, and the contrast ratio is improved.

Description

technical field [0001] Embodiments of the present invention relate to the field of display technology, and in particular, to a display device and a driving method thereof. Background technique [0002] A high-dynamic range (High-Dynamic Range, HDR) display system can expand image presentation performance, and can provide more dynamic range and image details. [0003] The liquid crystal display includes a liquid crystal display panel and a backlight source, and the liquid crystal display panel and the backlight source are respectively driven by different driving circuits. HDR display is more and more widely used in liquid crystal displays, and when the liquid crystal display adopts HDR display, it is necessary to control the backlight by partition. [0004] For the partition-controlled backlight, there may be several backlight-driving circuits or chips, and the driving of the backlight and the driving of the display panel are not synchronized, which affects the display effec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/34G09G3/36
CPCG09G3/342G09G3/3674
Inventor 关琳燕许育民
Owner XIAMEN TIANMA MICRO ELECTRONICS
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