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Which mechanism improves LCD contrast when viewed obliquely?

A)Optical compensation through retardation films
B)Increased sub-pixel rendering resolution
C)Quantum dot enhancement implementation
D)Decreased backlight luminance angular distribution

💡 Explanation

Optical compensation films mitigate contrast reduction at oblique angles by counteracting the **birefringence** mechanism of the LCD. This is because optical compensation aligns polarization, therefore improving contrast, rather than resolution or backlight modification.

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