In the LCD production process, there will be some defects due to process problems. The existence of these defects will affect the visual effect of the display screen, including point defects, linear defects and mura. Therefore, it is necessary to check whether the display is normal after the mobile phone screen is lit.
The device lights up the screen of the mobile phone, displays and switches red, green, blue, black, white, and gray images, and uses the camera to take a photo separately to detect each image.
Camera: Baumer 12 million camera
Lens: Hztest 16mm lens
Light: Hztest Bar light
Positioning accuracy: 0.03mm
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