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Brightness compensation method and device and brightness compensation system

A brightness compensation and brightness technology, which is applied to instruments, static indicators, etc., can solve problems such as inability to solve brightness differences and effectively improve brightness differences, and achieve the effects of improving display effects, avoiding flickering phenomena, and avoiding differences

Inactive Publication Date: 2020-08-14
SHENZHEN CHINA STAR OPTOELECTRONICS TECH CO LTD
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Problems solved by technology

[0003] The existing method is to improve the brightness difference by changing the liquid crystal material, changing the in-plane design, or using multiple groups of white balance tracking methods. However, changing the liquid crystal material and changing the in-plane design will affect other optical characteristics of the display panel. Using multiple groups The white balance tracking method cannot solve the brightness difference at all refresh rates, that is, the existing method cannot effectively improve the brightness difference

Method used

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  • Brightness compensation method and device and brightness compensation system
  • Brightness compensation method and device and brightness compensation system
  • Brightness compensation method and device and brightness compensation system

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Embodiment Construction

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Apparently, the described embodiments are only some of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without making creative efforts belong to the scope of protection of this application.

[0031] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientation indicated by rear, left, right, vertical, horizontal, top, bottom, inside, outside, clockwise, counterclockwise, etc. The positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the a...

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Abstract

The embodiment of the invention discloses a brightness compensation method and device and a brightness compensation system, and the method comprises the steps: obtaining the brightness of a display panel at different refresh frequencies when the display panel displays a test image; obtaining a brightness compensation parameter corresponding to each refresh frequency according to the brightness ofthe display panel under each refresh frequency; when the display panel displays an actual picture, determining a refresh frequency of the actual picture; obtaining a brightness compensation parametercorresponding to the refresh frequency of the actual picture; and compensating for the current brightness of the display panel according to the brightness compensation parameter. According to the brightness compensation method and device and the brightness compensation system, the brightness difference can be effectively improved, and flickering of a picture is avoided.

Description

technical field [0001] The present application relates to the field of display technology, and in particular to a brightness compensation method, a device thereof, and a brightness compensation system. Background technique [0002] At present, as the refresh rate of the display panel changes, the brightness of the display screen also changes accordingly, that is, there is a difference in the brightness of the display panel, which causes the screen to flicker, such as figure 1 as shown, figure 1 The abscissa of , represents the refresh rate in hz, and the ordinate represents the brightness, in nits. [0003] The existing method is to improve the brightness difference by changing the liquid crystal material, changing the in-plane design, or using multiple groups of white balance tracking methods. However, changing the liquid crystal material and changing the in-plane design will affect other optical characteristics of the display panel. Using multiple groups The white balanc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/36
CPCG09G3/36G09G2320/0233
Inventor 代爱民刘云鹤
Owner SHENZHEN CHINA STAR OPTOELECTRONICS TECH CO LTD
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