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Display panel driving method and display device

A technology of display panel and driving method, which is applied in static indicators, nonlinear optics, instruments, etc., and can solve problems such as defects in optical properties, contrast of viewing angle image quality, and deterioration of color shift quality

Active Publication Date: 2018-12-11
HKC CORP LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Most of the current large-size LCD panels use negative VA (Vertical Alignment, vertical alignment) liquid crystal or IPS (In-Plane Switching, in-plane switching) liquid crystal technology. Compared with IPS liquid crystal technology, VA liquid crystal technology has higher production efficiency And the advantage of low manufacturing cost, but compared with IPS liquid crystal technology in optical properties, there are more obvious defects in optical properties, especially large-size panels require a larger viewing angle for commercial applications.
[0003] The brightness of VA-type liquid crystal driver saturates rapidly with the voltage at a large viewing angle, resulting in a serious deterioration in viewing angle image quality contrast and color shift compared with the front view image quality

Method used

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  • Display panel driving method and display device

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Embodiment Construction

[0040] In order to make the object, technical solution and advantages of the present invention clearer, 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, not to limit the present invention.

[0041] Such as figure 1 As shown, the brightness of VA-type LCD driver saturates rapidly with the voltage at a large viewing angle, as shown in the attached figure 1 As shown in the L20 curve in the middle, the image quality contrast and color shift of the viewing angle are seriously deteriorated compared with the front view image quality, and the front view brightness vs. voltage curve is as attached figure 1 Shown in the L10 curve.

[0042] In VA-type liquid crystal technology, in order to solve the viewing angle deviation, the sub-pixels of RGB are divided into main pixels and sub-pixels, and ...

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Abstract

The present invention relates to a driving method of a display panel and a display device. The driving method includes: dividing a pixel into multiple pairs of pixel groups; acquiring a first voltage signal and a second voltage signal corresponding to each sub-pixel that are unequal, and the screen input signal includes The first frame and the second frame of adjacent timing; in the first frame, the first sub-pixel of the first pixel group and the first sub-pixel of the second pixel group are driven by the first voltage signal and the second voltage signal pixel; use the second voltage signal and the first voltage signal of the second sub-pixel of the second pixel group to drive the first pixel group and the second sub-pixel of the second pixel group; in the second picture, use the first sub-pixel of the second pixel group The second voltage signal and the first voltage signal of the pixel drive the first pixel group and the first sub-pixel of the second pixel group; the first pixel is driven by the first voltage signal and the second voltage signal of the second sub-pixel of the first pixel group group and the second subpixel of the second pixel group. Maintaining the resolution can also have a color cast compensation effect.

Description

technical field [0001] The present disclosure relates to the field of display technology, and in particular, to a method for driving a display panel and a display device. Background technique [0002] Most of the current large-size LCD panels use negative VA (Vertical Alignment, vertical alignment) liquid crystal or IPS (In-Plane Switching, in-plane switching) liquid crystal technology. Compared with IPS liquid crystal technology, VA liquid crystal technology has higher production efficiency And the advantage of low manufacturing cost, but compared with IPS liquid crystal technology in optical properties, there are more obvious defects in optical properties, especially large-size panels require a larger viewing angle for commercial applications. [0003] The brightness of VA-type liquid crystal driver saturates rapidly with the voltage at a large viewing angle, resulting in a serious deterioration in viewing angle image quality contrast and color shift compared to the front ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G3/36
CPCG09G3/364G09G3/3696G09G2300/0447G09G3/3607G09G2320/0276G09G2320/0242G02F1/133634G02F1/1395G09G2320/0285G09G2360/16
Inventor 陈猷仁
Owner HKC CORP LTD
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