Curved screen edge compensation method and system
A technology of edge compensation and curved screen, applied in the field of image processing, which can solve the problems of large viewing angle and color cast by human eyes.
Active Publication Date: 2021-07-06
昇显微电子(苏州)股份有限公司
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Problems solved by technology
Secondly, the viewing angle of the curved screen at the bend is relatively large, which will also cause the red, green and blue light observed by the human eye at the edge of the screen to be not in equal proportions.
Finally, the bend of the curved screen will also be affected by the refraction or reflection path of light, causing color shift
[0004] At present, there is no better solution for edge color shift, whether it is to fundamentally change the physical structure and optical characteristics of the curved screen to improve it, or to process it from the direction of the screen correction algorithm
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[0046] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0047] See Figure 1-5 , the invention provides a method for compensating brightness and chromaticity at the edge of a curved screen, comprising the following steps:
[0048] Step 1: Calculate the horizontal distance from the pixel point to the left and right edges of the curved screen according to the coordinates of the pixel point;
[0049] Step 2, find the compensation interval where the pixel is located according to the horizontal distance and the set bin...
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The invention discloses a curved screen edge brightness and chromaticity compensation method and device, and belongs to the field of image processing. According to the invention, the effect of edge compensation is achieved mainly by adjusting the light emitting proportion and intensity of each sub-pixel point in the edge area of the curved screen. The method comprises the following steps: calculating the horizontal distance from a pixel point to the left and right edges of the curved screen according to the coordinates of the pixel point; finding a compensation interval where the pixel point is located according to the horizontal distance and a set binding point position; calculating the maximum compensation gain of the pixel point according to the maximum compensation gain of the adjacent binding points in the interval; calculating the actual compensation gain of the pixel point according to the input value of the pixel point and the maximum compensation gain of the pixel point; and calculating pixel point output.
Description
technical field [0001] The invention discloses a method and system for compensating brightness and chromaticity at the edge of a curved screen, belonging to the field of image processing. Background technique [0002] The curved screen of mobile phone is usually made of flexible AMOLED (active-matrix organic light-emitting diode). By replacing the traditional glass substrate with a new plastic substrate, the screen can be made more flexible. The curved screen of the mobile phone has the characteristics of high screen ratio and good grip feeling. In recent years, it has also become more and more popular in domestic high-end models, among which Huawei Mate30 Pro uses an 88-degree waterfall screen. However, the curved screen of the mobile phone also has some disadvantages in performance, including that the display at the edge of the curved screen is prone to distortion, and the edge of the curved screen is prone to false touch operations, which brings many troubles to users. ...
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IPC IPC(8): G09G3/3225G09G3/20G09G5/10H04M1/02
CPCG09G3/3225G09G3/2003G09G5/10H04M1/0268G09G2320/0233G09G2320/0242
Inventor 孙权吴樟福秦良
Owner 昇显微电子(苏州)股份有限公司