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Display driving method of display panel, display driving device and display device

A display panel and display driving technology, applied in the fields of display devices and display driving devices, to achieve the effects of improving picture display quality, shortening switching time, and reducing afterimages

Active Publication Date: 2020-07-10
KUNSHAN GO VISIONOX OPTO ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention provides a display driving method for a display panel, a display driving device, and a display device, so as to improve the afterimage problem of the display panel and improve the image display quality

Method used

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

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Embodiment Construction

[0059] 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.

[0060] As mentioned in the background technology, the OLED display panel is prone to afterimages during the image display process. After research, the inventor found that the reason for this problem is that the driving transistor of each sub-pixel of the display panel works in a saturated state to drive the sub-pixels. glow. figure 1 is a schematic diagram of the driving current of a driving transistor provided in this embodiment, figure 1 shows the different source-drain dropout voltage V SD1 and V SD2 Corresp...

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Abstract

The embodiment of the invention discloses a display driving method of a display panel, a display driving device and a display device. The display driving method of a display panel includes the following steps: acquiring the next display picture and the current display picture of a display panel; comparing the next display picture with the current display picture; when the display panel includes atleast one first area and the absolute values of the difference values between the display gray scales of the next display picture in the first area and the display gray scales corresponding to the current display picture in the first area are greater than a first set value, acquiring a compensation value, and making compensation for each display gray scale of the next display picture in the firstarea according to the compensation value to form a compensated display picture; at the end of the display of the current display picture, driving the display panel to display the compensated displaypicture; and after the compensated display picture displays for a set compensation time, driving the display panel to display the next display picture. The scheme of the invention improves the residual shadow problem of the display panel and improves the display quality of the picture.

Description

technical field [0001] Embodiments of the present invention relate to display technologies, and in particular to a display driving method, a display driving device, and a display device of a display panel. Background technique [0002] Organic Light Emitting Diode (OLED) display panel is a kind of self-luminous display panel. Due to the advantages of thinness, high brightness, wide viewing angle, high response speed and wide operating temperature range, OLED display panel is more and more popular. It is applied in various high-performance display fields. [0003] The problem of afterimages that are prone to occur during the display process of OLED display panels has been a long-term research and development topic for the display panel industry. Contents of the invention [0004] The present invention provides a display driving method of a display panel, a display driving device and a display device, so as to improve the image sticking problem of the display panel and impr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G3/3208
CPCG09G3/3208G09G2320/0271
Inventor 金根哲
Owner KUNSHAN GO VISIONOX OPTO ELECTRONICS CO LTD
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