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Method and apparatus for compensating white spot coordinates

A technology of coordinates and white points, applied in the display field, can solve the problems of deviation of white point coordinates, reduce the display effect of the display device, and the display color turns blue, so as to avoid blue or yellow and improve the display effect.

Inactive Publication Date: 2016-09-07
BOE TECH GRP CO LTD
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AI Technical Summary

Problems solved by technology

The white point coordinates will deviate when the display device is turned on, and the white point coordinates will also deviate after the display device displays for a long time, that is to say, in the above cases, the display color of the display device will turn blue or yellow , thereby reducing the display effect of the display device

Method used

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  • Method and apparatus for compensating white spot coordinates
  • Method and apparatus for compensating white spot coordinates
  • Method and apparatus for compensating white spot coordinates

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Embodiment Construction

[0031] In order to further illustrate the method and device for compensating white point coordinates provided by the embodiments of the present invention, a detailed description will be given below in conjunction with the accompanying drawings.

[0032] see figure 1 , the method for compensating white point coordinates provided by the embodiment of the present invention includes:

[0033] Step 101, acquiring the current actual white point coordinates of the display device. Specifically, the actual white point coordinates can be obtained by detecting the current color temperature of the display device. Wherein, the actual coordinates of the white point can be represented by (Wx, Wy), and generally speaking, the values ​​of Wx and Wy are the same.

[0034] Step 102, comparing the actual white point coordinates with the standard white point coordinate range. It should be noted that, in general, the coordinate range of the standard white point is 0.28 to 0.29 for the horizontal...

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Abstract

The invention discloses a method and apparatus for compensating white spot coordinates and belongs to the display technical field. The objective of the invention is to solve the problem of poor display effect of a display device. The method for compensating the white spot coordinates includes the following steps that: the current actual white spot coordinates of a display device are obtained; the actual white spot coordinates are compared with a standard white spot coordinate range; and when the actual white spot coordinates are beyond the standard white spot coordinate range, the gray-scale values of sub pixels are adjusted, so that the actual white spot coordinates can be located in the standard white spot coordinate range. The method and apparatus for compensating the white spot coordinates provided by the invention are applied to the display device.

Description

technical field [0001] The invention relates to the field of display technology, in particular to a method and device for compensating white point coordinates. Background technique [0002] With the development of electronic equipment, display devices are widely used in various fields such as work and entertainment. Due to the advantages of light-emitting diodes in brightness, energy efficiency, color range, lifespan, and tolerance, etc., at present, multiple The white light-emitting diode is used as a backlight to illuminate the display panel of the display device. The white light emitted by the white white light diode in the display device has white point coordinates (hereinafter referred to as the white point coordinates of the display device), and the white point coordinates represent the color temperature. The display color has a controlling effect. [0003] The coordinates of the white point of the display device will change with time and temperature, thus causing the...

Claims

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Application Information

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IPC IPC(8): G09G5/02G09G5/06
CPCG09G5/02G09G5/06
Inventor 赖政德
Owner BOE TECH GRP CO LTD
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