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CN101632039B 视场角控制装置和具有该视场角控制装置的显示器 失效 - 权利终止

视场角控制装置和具有该视场角控制装置的显示器
摘要：
提供一种能够在窄视场角状态下获得不带色的纯黑显示、显著提高窄视场角状态下的遮挡能力的视场角控制装置以及使用该视场角控制装置的显示器。在利用液晶双折射在宽视场角状态和窄视场角状态之间切换视场角的视场角控制用液晶面板(2)中，为了调整该视场角控制用液晶面板(2)的VT(电压-透射率)特性，在夹持液晶的一对透光性基板(201、202)中的至少一方上，在与显示用液晶面板(1)的至少一种颜色的图像元素相对的位置上设置透光性电极膜(205r、205g、206b)，该透光性电极膜(205r、205g、206b)为了调整液晶的电压-透射率特性而被施加频率互不相同的交流电压。
摘要（英）：

It is an object to provide a viewing angle control device that can display a pure black without coloration in a narrow viewing angle state and is significantly improved in shielding capability in the narrow viewing angle state, and a display using the viewing angle control device. In a viewing angle control liquid crystal panel (2) that switches a viewing angle between a wide viewing angle state and a narrow viewing angle state by making use of birefringence of a liquid crystal, in order to adjust a VT (voltage-transmittance) characteristic of the viewing angle control liquid crystal panel (2), an optically transmissive electrode films (205r, 205g, 206b) to which alternative current voltages with mutually different frequencies are applied to adjust the voltage-transmittance characteristicof the liquid crystal is provided at a portion corresponding to at least one pixel of a liquid crystal display panel (1) on at least one side of a pair of optically transmissive substrates (201, 202)for holding the liquid crystal.

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