Method and device for compensating colors of backlight
A compensation method and backlight technology, applied in color signal processing circuits, instruments, static indicators, etc., can solve problems such as color unevenness, and achieve the effect of improving color uniformity, display effect and picture quality.
Inactive Publication Date: 2012-12-26
BOE TECH GRP CO LTD
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Problems solved by technology
[0004] Embodiments of the present invention provide a backlight color compensation method and device, which are used to solve the defect of color inhomogeneity in a specific area of a liquid crystal display using an RGB three-in-one light bar in the prior art, so that the color uniformity of the liquid crystal display can be improved. Improve, thereby improving the display effect and picture quality of LCD monitors
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[0021] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0022] figure 2 It is a flow chart of Embodiment 1 of the color compensation method for the backlight source of the present invention, as shown in figure 2 As shown, this embodiment provides a color compensation method for a backlight, which may include the following steps:
[0023] Step 201, receiving an image signal.
[0024] Step 202, in t...
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The invention provides a method and a device for compensating colors of a backlight. The method comprises the following steps of: receiving an image signal; and regulating a gray scale value of the image signal corresponding to a color to be regulated and / or a color not to be regulated by using a preset compensation gray scale value in a region to be regulated of a display region so as to compensate the colors of the backlight, wherein the compensation gray scale value is set according to the inhomogeneity degree of the measured brightness of the colors of the backlight in the region to be regulated. The device comprises a receiving module and a compensation module. By the embodiment, the color homogeneity of a liquid crystal display is improved, so the display effect and the picture quality of the liquid crystal display screen are improved greatly.
Description
technical field [0001] Embodiments of the present invention relate to the field of liquid crystal display technology, and in particular to a method and device for color compensation of a backlight source. Background technique [0002] Liquid crystal displays have gradually replaced traditional displays and become mainstream products in the field of displays due to their advantages of small size, thinness, and the like. In the edge-lit displays currently on the market, the backlights used are all Red Green Blue (hereinafter referred to as: RGB) light-emitting diode (hereinafter referred to as: LED) backlight sources, which are affected by the color expressiveness. In order to achieve a display effect of more than 100% color gamut, the lights used on the backlight are all packaged by RGB three-color chips, and due to the limitation of their arrangement space, the reason why edge-lit displays are widely used at present LED backlight packaged by RGB three-in-one chip. [0003]...
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IPC IPC(8): G09G3/36H04N9/64
Inventor 张丽蕾赵星星万丽芳王刚
Owner BOE TECH GRP CO LTD