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Detection system and detection method for improving pixel uniformity of display screen

A detection method and detection system technology, applied in the direction of image communication, static indicator, TV, etc., can solve the problems of slow processing speed and achieve the effect of uniformity improvement and convenient resolution

Active Publication Date: 2010-03-10
江苏亚振电力有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method needs to analyze all the pixels of the entire photo, so the processing speed is slow, and due to the existence of factors such as noise in the photo, certain analysis errors are prone to occur

Method used

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  • Detection system and detection method for improving pixel uniformity of display screen
  • Detection system and detection method for improving pixel uniformity of display screen
  • Detection system and detection method for improving pixel uniformity of display screen

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] refer to figure 1 , a detection system for improving the uniformity of display screen pixels, including a communication interface 101, a user input interface 102, an analysis module 105, a scanning module 104, and a storage module 103 connected with the above modules.

[0048] The communication interface 101 is used for two-way data communication, receiving display screen photo information and recording it into the storage module 103 .

[0049] The user input interface 102 is used to input the reference threshold value of the pixel point of the display screen photo and the radius R value of a single light point, and record them into the storage module 103 .

[0050] The scanning module 104 provided with a judging unit is used to read the display screen photo information 300 and the reference threshold from the storage module 103, start scanning from any end corner of the display screen photo, pass the The judging unit judges that the threshold value of a certain pixel ...

Embodiment 2

[0056] refer to figure 2 In this embodiment, on the basis of Embodiment 1, the detection system additionally includes an image acquisition device 106, which is used for image acquisition of the display screen to obtain photo information of the display screen, which is stored in the display screen through the communication interface. The above storage module 103. The rest of the principles are the same as those in Embodiment 1, and will not be repeated here.

[0057] The detection system of this embodiment, by installing the image acquisition module 106, can quickly process the photo information of the display screen on site, making the whole detection system more convenient.

Embodiment 3

[0059] refer to image 3 In this embodiment, on the basis of Embodiment 1, the detection system additionally includes a setting module 107 connected to the user input interface 102 for selecting or setting the preset rule through the user input interface 102 . The preset sequence is recorded in the storage module 103 . The rest of the principles are the same as those in Embodiment 1, and will not be repeated here. In this embodiment, without departing from the idea of ​​the present invention, the setting module 107 may also be connected to the user input interface and the storage module respectively.

[0060] In the detection system of this embodiment, through the setting module 107, scanning rules and scanning sequences can be conveniently set according to actual conditions, and various scanning rules and various scanning sequences that have been preset can also be directly selected, so as to achieve according to the specific conditions of the photos. The effect of fast pro...

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Abstract

The invention discloses a detection method and a detection system for improving the pixel uniformity of a display screen. The method calculates the center distance between lamp points of the display screen and performs skip according to the center distance so as to process photos of the display screen. The system comprises a communication interface, a user input interface, a storage module, a scanning module and an analysis module. The method and the system can detect the pixel uniformity and bad points of the display screen, accelerate the detection speed, and improve the detection accuracy rate.

Description

technical field [0001] The invention belongs to the technical field of photo image processing, and in particular relates to a detection system and a detection method for improving the uniformity of display screen pixels. Background technique [0002] At present, LED display screens are widely used in our lives. LED display screens are composed of multiple light-emitting diodes (LEDs). Due to the limitations of the existing production process of light-emitting diode LEDs, the performance parameters of light-emitting diode LED products have a large dispersion. The discrete nature of the parameters of the light-emitting diode LEDs leads to large differences in the brightness of each light-emitting diode LED under the same control conditions. It will make the human eye feel that the entire LED display is uneven in brightness and darkness. The most common is that some parts of the LED display appear to have black spots, which seem to be "dirty". In fact, this is all caused by u...

Claims

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Application Information

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IPC IPC(8): H04N17/00G09G3/32
Inventor 管丽邵寅亮张波
Owner 江苏亚振电力有限公司
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