Mura treatment method specific to ultrahigh resolution panel

A technology of ultra-high resolution and processing method, applied in the field of liquid crystal displays, can solve the problems of affecting the accuracy of compensation data and high cost of industrial cameras, and achieve the effect of reducing high costs and accurate mura compensation

Active Publication Date: 2017-09-26
SHENZHEN CHINA STAR OPTOELECTRONICS TECH CO LTD
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AI Technical Summary

Problems solved by technology

[0005] With the emergence of ultra-high-resolution panels, the cameras corresponding to the mura compensation system also need to be updated accordingly, otherwise each photosensitive element of the camera needs to correspond to multiple panel pixels at the same time, which will affect the accuracy of compensation data, but frequent updates The cost of industrial cameras is very high

Method used

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  • Mura treatment method specific to ultrahigh resolution panel
  • Mura treatment method specific to ultrahigh resolution panel
  • Mura treatment method specific to ultrahigh resolution panel

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Embodiment Construction

[0032] see Figure 6 , which is a flow chart of the mura processing method for ultra-high resolution panels in the present invention. The method mainly includes:

[0033] Step 10. Use an industrial camera to take pictures of the actual mura state of the entire panel in sub-areas according to the resolution of the industrial camera. When the grayscale display of a certain area of ​​the panel is photographed, the remaining areas of the panel display 0 grayscale;

[0034] Take an industrial camera that only supports 4K2K resolution (3840*2160 pixels) panels to shoot 8K4K resolution (7680*4320 pixels) panels as an example, centering on the center of the 8K4K resolution panel, only display 4K2K resolution in the center area of ​​the panel area, and the remaining 3 / 4 areas are all displayed in a black screen (0 gray scale);

[0035] Step 20. Obtain the mura compensation data matrix for each area of ​​the panel according to the pre-acquired correspondence between grayscale and brig...

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Abstract

The invention relates to a mura treatment method specific to an ultrahigh resolution panel. The method includes steps of S10, shooting actual mura state of the whole panel regionally by an industrial camera according to the resolution rate of the industrial camera; when one zone of the shooting panel is displays a gray scale, the rest zones of the panel display 0 gray scale; step 20, acquiring mura compensation data matrix of every zone of the panel according to corresponding relationship between the gray scale and brightness of the panel acquired in advance and actual mura state of every zone of the panel; step 30, combining the mura compensation data matrixes of every zone of the panel to acquire the mura compensation data matrix corresponding to the whole panel; selecting corresponding mura compensation data according to the compensation data reference value position. The mura treatment method specific to the ultrahigh resolution panel uses the specification of the industrial camera of the existing mura compensation system reasonably, realizes the accurate mura compensation of the ultrahigh resolution panel, and reduces the high cost for replacing the industrial camera specification in the mura compensation system.

Description

technical field [0001] The invention relates to the field of liquid crystal displays, in particular to a mura treatment method for ultra-high resolution panels. Background technique [0002] Flat display devices such as liquid crystal displays (LCDs) are widely used in mobile phones, televisions, personal digital assistants, digital cameras, notebook computers, and desktop computers due to their advantages such as high image quality, power saving, thin body, and wide application range. Various consumer electronic products, such as LED display devices, have become the mainstream of display devices. [0003] Such as Figure 1A As shown in , it is a structural block diagram of an existing compensation device for brightness unevenness. In order to solve the uneven brightness (mura) caused by defects in the LCD process / device, the existing method of compensation for the uneven brightness is to store the gray scale compensation data in the flash memory (flash) 11 matched with the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/13G09G3/36
CPCG02F1/1309G09G3/36
Inventor 张华
Owner SHENZHEN CHINA STAR OPTOELECTRONICS TECH CO LTD
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