LCD liquid crystal screenAble to light table to detect which waste products this may be a lot of people want to understand a problem, then today let LCD LCD screen manufacturers ICP Technology's editorial details for everyone!
1. Pollution in the box
In the dark field (or bright field) under the white (or blue-black) spots appear, which is caused by the dirt inside the liquid crystal box, commonly known as internal dirt. The reason for its formation is that before the glass lamination, the glass surface attached to a foreign body or powder spraying process powder did not disperse.
2. Fingerprints
LCD LCD screen in the visual observation of the display area within the fingerprint traces, which is glass lamination before the operator's finger contact with the glass iTO surface and PI surface left traces.
3. Orientation error/discrepancy
In the visual inspection, if you can not observe the dark field (or bright field), this is the glass lamination before the operator's finger contact with the glass ITO surface and PI surface left traces.
4、Border deformation
A visual inspection that reveals an unevenness in the width of the bezel is called bezel distortion.
5. Rainbow
LCD liquid crystal screen in the visual observation of the ring or band color unevenness of the phenomenon known as rainbow.
6. Bubbles
Vapor bubble refers to LCD liquid crystal screen in the visual inspection process found in the liquid crystal box is not completely filled with liquid crystal, can still be seen in the bubble image. This is mainly due to errors in the process of filling liquid crystal.
7、Air leakage
On the visual inspection table, if you observe a small amount of gas entering the box at the seal of the liquid crystal box or the seal is not firmly sealed, it is called gas leakage.
8. Poor cutting
Poor cutting is the phenomenon of uneven glass edges caused by improper cutting or breaking of grains.
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