发明授权
US08451540B2 Retardation film 有权
延迟膜

Retardation film
摘要:
Disclosed is a film suitable for improvement of luminance, contrast and view angle of a liquid crystal display. Specifically disclosed is a retardation film having a thickness of 30-500 μm, a light transmittance of not less than 85%, and an Nz factor of not less than 10.
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