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Double station liquid crystal display visual inspection instrument

Keyword:
visual inspection
LCD monitor inspection
Scratch detection
Dead pixel detection
Hotline:4008198001
Double station liquid crystal display visual inspection instrument
Details

 product description:

The turntable dual-station GOI visual inspection instrument is designed for the inspection requirements of liquid crystal displays, automobile central control panels, etc. that require manual loading and unloading, and require higher efficiency. occasions with higher requirements.


 Test items for liquid crystal display inspection:
   A. Surface scratches and stains of liquid crystal display.
   B. Bright spot defect when black screen is displayed.
   C. Miscellaneous color and black spot defects when displayed on red, green, blue, and white screens.
   D. Foreign bodies between layers.
   E. Uniformity detection of color brightness.
   F. "Water ripple" defect.

Performance indicators for liquid crystal display testing:
a) Image resolution: equipped with four 5 million pixel cameras, when the maximum screen area is 300×240, the resolution is 60um; when the maximum screen area is 150×120, the resolution is 30um.
b) Detection time: When 4 cameras are configured with 5 million pixels, the single screen is about 4S, and when the single camera is configured, the single screen is about 1S.
c) Can detect single-color defects of a single pixel on the screen under test.
d) The straight-through rate of the product is >95%.
e) Detects scratches as thick as one pixel.

 

Features of double-station visual inspection instrument:

1. The testing equipment and operators work at the same time, and the production efficiency is high.

2. Support the "asynchronous test" function, when the operator checks the "previous" test result, it does not affect the current test of the test equipment.

3. User-programmable communication protocol to easily control the working state of the tested product.

4. The replacement of the fixture is simple and fast, and the positioning accuracy is not required.

5. The perfect data statistics function provides comprehensive raw data for quality management.

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