Because the IPS screen adopts the horizontal liquid crystal molecule arrangement, it increases the viewing angle while reducing the light penetration. In order to better display bright colors, it is necessary to increase the luminosity of the backlight.
Therefore, light leakage is extremely common in IPS screens. With the increase of the screen, the problem of light leakage at the edge of a large area has been criticized by IPS. IPS also loses its competitive advantage of high contrast due to its inability to improve penetration and enhances the backlight.
Generally, the static contrast ratio of IPS is between 2000:1 and 3000:1. The static contrast ratio of the AV screen can easily reach 5000:1.
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