Display screen thermal effect compensation adjustment display device, method and system

Abstract

The invention relates to a display screen thermal effect compensation adjustment display device, method and system, and the method comprises the steps: obtaining the structure temperature of a detection point of an LED display screen in real time, marking the relative position of the detection point, and the heat conduction adjustment coefficient of the detection point at the relative position; obtaining red, green and blue brightness values of the LED lamp point at different structure temperatures, and obtaining a conversion formula of an LED chromaticity compensation coefficient and the structure temperature; obtaining the position structure temperature of each LED lamp point through conversion; obtaining the LED chromaticity compensation coefficient of the LED lamp point; and obtaininga chromaticity value for adjusting display. According to the invention, real-time and dynamic heat effect compensation of the LED display screen can be realized, and the technical problem that a fixedcoefficient cannot dynamically adapt to changes is solved, so that the display precision and the display effect of the LED display screen are greatly improved, and meanwhile, more electric energy issaved.

Description

technical field [0001] The invention belongs to the technical field of display control of display screens, and in particular relates to a thermal effect compensation and adjustment display device, method, system and electronic equipment of a display screen. Background technique [0002] When the LED display is used in different occasions, it is affected by the installation position of the display screen, the power supply installation position of the display module, the display screen, the brightness of the display screen, the use of different types of LED lamp beads and display chips, the heat dissipation design of the product itself, and the site. Affected by various factors such as ambient temperature, when the temperature of the cabinet structure rises, especially when the temperature of the local structure of the display chip and power module rises, it will affect the display effect of the LED lamp beads in the temperature rise area, and will reduce The display brightnes...

AI Technical Summary

Problems solved by technology

[0002] When the LED display is used in different occasions, it is affected by the installation position of the display screen, the power supply installation position of the display module, the display screen, the brightness of the display screen, the use of different types of LED lamp beads and display chips, the heat dissipation design of the product itself, and the site. Affected by various factors such as ambient temperature, when the temperature of the cabinet structure rises, especially when the temperature of the local structure of the display chip and power module rises, it will affect the display effect of the LED lamp beads in the temperature rise area, and will reduce The display brightness of this area will cause color spots, color blocks and other phenomena on the screen, which will affect the screen display effect.

At present, there are two commonly used solutions: one is to improve the physical structure of the display module, the layout of the heat-generating parts of the lamp board, and the method of adding heat dissipation holes or heat dissipation devices, and avoid thermal effects by improving the heat dissipation efficiency of the display screen; the other is A temperature detection device is added to the display module. If the temperature exceeds the limit, the display brightness of the LED of the display module will be lowered, and the influence of thermal effects will be reduced by reducing the power consumption of the module; The method of layout or adding heat dissipation equipment has great limitations: first, it is difficult for some display ICs or power supplies with serious heat generation to conduct heat evenly to the entire display module, and there will still be local thermal effects; second, adding heat dissipation equipment requires additional space Installation will affect the installation size of the display screen; the existing technology uses a unique temperature limit value to judge whether to perform brightness compensation, which will cause the entire display screen to display brightness differences according to modules, and when the screen temperature is higher, the area affected by thermal effects will also expand. , the area to be compensated by the display module will also be dynamically enlarged, and the fixed coefficient cannot dynamically adapt to this change, which will still affect the display effect

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