Study on the influencing factors of pretilt angle at PS-VA model
The film transistor liquid crystal display has a variety of display modes.The PS-VA mode with its high transmittance,high contrast are widely used.Compared with traditional VA display mode,PS-VA mode does not need PI to control the pretilt angle.In the PS-VA mode,a certain amount of polymerizable compound(RM)is added to the liquid crystal to achieve different pretilt angles by changing the process conditions.The effects of RM concentration,applied voltage(UV1)and solidified light metrology(UV1)on pretilt angle are studied in this paper.The results show that the pretilt angle has a strong positive correlation with RM concentration,applied voltage(UV1)and solidified light metrology(UV1).In the process of actual production,the corresponding influencing factors can be adjusted according to the needs of different products to achieve the best pre-tilt design.
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