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Characteristics of TN, HTN, STN and VA LCD modules
2022-06-10
STN (Super Twisted Nematic) uses an electric field to change the orientation of liquid crystal molecules twisted over 180°, altering optical rotation. Recovery is slow during voltage switching, causing afterglow. Its main advantage is low power consumption.
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How to prevent static electricity in LCD modules?
2021-08-08
Static electricity adsorbs dust, reduces insulation resistance and shortens service life; electrostatic discharge (ESD) damage causes electronic components to fail; the strong electromagnetic field generated by ESD leads to abnormal operation or damage of equipment.
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Origin of LCD light guide plates
2021-08-08
The key of LCD light guide plate technology is the total internal reflection of light in PMMA. When light travels from a medium with higher refractive index into air at an angle above the critical angle, total internal reflection occurs with almost no loss.
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How to repair a damaged backlight panel?
2021-08-08
First, identify which part is damaged. A backlight panel consists of multiple components. Normally, the light source is not easily damaged unless exposed to high temperatures, which causes softening and deformation — such damage is irreparable.
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