Optical automatic detection system for TFT-LCD defects
A technology of automatic detection and defect optics, applied in optics, nonlinear optics, instruments, etc., can solve the problems of inconsistent results, low accuracy, and low efficiency, and achieve the effect of high detection accuracy and improved efficiency
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[0019] The present invention will be described in further detail below with reference to the drawings.
[0020] Such as figure 1 As shown, the screen lighter 1 drives the TFT-LCD 2 to be tested to display the test screen, and the screen grabbing and rotating mechanism 3 sucks and removes the tested TFT-LCD. The adjustable focal length lens 4 and the industrial camera 5 are installed directly above the TFT-LCD to be tested.
[0021] Such as figure 2 As shown, the TFT-LCD defect optical automatic detection system includes an automatically adjustable focal length lens, an industrial camera, a screen capture rotation mechanism, a screen lighter, a visual controller, a detection result display, a manipulator and a controller. The screen lighter drives the TFT-LCD to be tested to display the test screen, and at the same time sends instructions to the vision controller. The vision controller controls the adjustable focal length lens to automatically focus and then drives the industrial ...
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