| 摘要 |
PURPOSE:To enlarge a visual field angle by a simple method, by constituting the titled crystal display panel, so that an optical path difference of a liquid crystal is set to a range of 0.7-0.9, and also, a polarizing angle by a polarizing plate is adjusted to a range of 20-50 deg. from the rubbing angle. CONSTITUTION:A full line in the figure shows a rubbing direction 1 of an oriented film which is provided on the upper and lower substrates, and a crossing angle phi1 is a rubbing angle. Also, a broken line shows a polarizing direction 2 of a polarizing plate which is set onto the upper and lower substrates, a crossing angle phi2 shows a polarizing angle and the difference phi2-phi1 is a polarizing angle DELTAphi. In such a way, by adjusting the rubbing angle phi1 and the polarizing angle phi2, a distinct image is obtained. At the time of a value of the polarizing plate angle DELTAphi is fixed to -20 deg., and in such a state, a value of a visual field angle characteristic exponent beta is derived by varying a value of DELTAn.d in such a state, the value of beta approaches '1' within the range of 0.7-0.9. Therefore, a liquid crystal display panel whose visual angle dependency is small is formed by holding a value of the optical path difference DELTAn.d, and a value of DELTAphi, in 0.7-0.9, and an optimum value of a range of 20-50 deg..
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