White balance debugging method and device and display method and device of displayer

Abstract

The invention relates to a white balance debugging method and device of a displayer and a display method and device of the displayer. The white balance debugging method of the displayer includes the steps that S1, RGB color space data of a test image are converted into Lab color space data; S2, the Lab color space data are corrected according to current correction parameters; S3, the corrected Lab color space data are converted into the RGB color space data, and the test image is displayed on the basis of the converted RGB color space data; S4, color coordinates of the displayed test image are measured, whether the color coordinates need to be corrected or not is judged on the basis of the color coordinates and preset target color coordinates, if the result is negative, the current correction parameters are stored, the procedure is finished, if the result is positive, correction parameters are adjusted, the adjusted correction parameters are used as the current correction parameters, the step 2 is repeated and correction continues to be carried out until the judgment result is positive. The white balance debugging method of the displayer can improve white balance consistency of the displayer without the need of changes of materials.

Description

technical field

[0001] The invention relates to display technology, in particular to a white balance debugging method and device, and a display method and device for a display. Background technique

[0002] Restricted by objective factors, it is difficult to guarantee the final white balance consistency of LCD modules in mass production, resulting in the simultaneous existence of LCD modules with various hues. The primary influencing factor is the LED light source. Because LCDs generally use LEDs as light sources, and LEDs are made of blue light-emitting diodes covered with yellow phosphors, the color tone consistency of LEDs is affected by objective factors, and it is difficult to ensure consistency. The main influencing factors are the size of the light-emitting diode wafer The dominant wavelength of light emission, the ratio of phosphor powder, and the coating thickness of phosphor powder. In the traditional technology, the white balance of the display can be adjusted b...

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