Brightness adjusting method, device and system of display panel

A technology of display panel and display brightness, applied in static indicators, cathode ray tube indicators, instruments, etc., can solve the problems of brightness difference, affecting the screen display effect, etc.

Active Publication Date: 2020-10-20
KUNSHAN GO VISIONOX OPTO ELECTRONICS CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, when the existing display products switch between different screen refresh

Method used

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  • Brightness adjusting method, device and system of display panel
  • Brightness adjusting method, device and system of display panel
  • Brightness adjusting method, device and system of display panel

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Embodiment Construction

[0042] 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.

[0043] As mentioned in the background technology, existing display products are prone to brightness differences when switching between different screen refresh rates. The actual display brightness of the display panel collected by the acquisition equipment is debugged, but the brightness acquisition accuracy of the existing brightness acquisition equipment is not high, and the brightness acquisition accuracy can only achieve ±1.5% when the brightness is above 100nit. There will be a brightness acquisition differen...

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Abstract

The embodiment of the invention discloses a brightness adjusting method, device and system of a display panel. The brightness adjusting method of the display panel comprises the following steps: acquiring a first driving current value when the display panel displays preset brightness and preset chromaticity by adopting a first picture refresh frequency; obtaining first actual display brightness, first actual display chromaticity and a second driving current value when the display panel displays the preset brightness and the preset chromaticity at a second picture refresh frequency; and according to the first difference value between the first actual display brightness and the preset brightness, the second difference value between the first actual display chromaticity and the preset chromaticity, and the third difference value between the second driving current value and the first driving current value, determining a display driving signal when the display panel displays the preset brightness and the preset chromaticity at a second picture refresh frequency. According to the embodiment of the invention, the brightness difference during switching between different picture refresh frequencies is reduced, and the picture display effect of the display panel is improved.

Description

technical field [0001] Embodiments of the present invention relate to the field of display technology, and in particular, to a method, device and system for adjusting brightness of a display panel. Background technique [0002] With the development of display technology, people have higher and higher requirements for display products. In order to meet people's different needs, current display products can use several different screen refresh rates to display pictures. [0003] However, when the existing display products are switched between different screen refresh rates, brightness differences are prone to occur, which affects the screen display effect. Contents of the invention [0004] The present invention provides a method, device and system for adjusting brightness of a display panel, so as to reduce the difference in brightness when switching between different image refresh frequencies, and improve the image display effect of the display panel. [0005] In a first ...

Claims

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Application Information

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IPC IPC(8): G09G3/20G09G3/3208G09G5/10
CPCG09G3/20G09G3/3208G09G5/10
Inventor 王铁钢张芦马骁骏姜海斌
Owner KUNSHAN GO VISIONOX OPTO ELECTRONICS CO LTD
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