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    • 151. 发明专利
    • Display device
    • 显示设备
    • JP2005070076A
    • 2005-03-17
    • JP2003208243
    • 2003-08-21
    • Sharp Corpシャープ株式会社
    • ISHIHARA SHOICHIMIYAJI KOICHI
    • G02F1/061C09K19/02G02F1/07G02F1/13G02F1/137G02F1/139
    • C09K19/02G02F1/07G02F1/137G02F2201/124
    • PROBLEM TO BE SOLVED: To provide a display device which has less temperature dependence of a Kerr effect and can be easily manufactured. SOLUTION: A dielectric liquid layer 41, which is macroscopically a transparent liquid showing an isotropic phase and microscopically, contains a cluster to be a molecule group where liquid crystal molecules are arranged in a certain direction and which has short distance order is made to intervene between pixel substrate 32 and a counter substrate 33 at least one of which is transparent. Since the display device contains the cluster also in the liquid crystal phase-isotropic phase phase transition temperature of the liquid crystalline compound or more, the reduction of the Kerr constant effect associated with a temperature increase is suppressed. A cluster containing e.g. a liquid crystalline compound having intermolecule hydrogen bond forming ability, a smectic liquid crystal, fine particles, etc. has a large cluster size and a long life associated with a temperature increase. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种具有较低的克尔效应的温度依赖性并且可以容易地制造的显示装置。 解决方案:在宏观上是显示各向同性相和显微镜的透明液体的电介质液体层41含有一个分子团,其中液晶分子沿一定方向排列并且具有短距离次序 在像素基板32和至少其中之一是透明的对置基板33之间插入。 由于显示装置在液晶化合物的液晶相各相相变温度以上也含有该簇,所以与温度上升有关的克尔恒定效应的降低被抑制。 包含例如 具有分子间氢键形成能力的液晶化合物,近晶液晶,微粒等具有较大的簇尺寸和与温度升高相关的长寿命。 版权所有(C)2005,JPO&NCIPI
    • 153. 发明专利
    • Diffractive spatial light modulator and display
    • DIFFRACTIVE空间光调制器和显示器
    • JP2003295135A
    • 2003-10-15
    • JP2003116382
    • 2003-04-21
    • Sharp Corpシャープ株式会社
    • ROBINSON MICHAEL GERAINTTOMBLING CRAIGMAYHEW NICHOLASKURATATE TOMOAKITOWLER MICHAEL JOHN
    • G02F1/01G02F1/13G02F1/1335G02F1/1343G02F1/137G02F1/141G02F1/29G03B21/00
    • G02F1/134336G02F1/141G02F1/292G02F2201/124
    • PROBLEM TO BE SOLVED: To obtain higher brightness and higher contrast ratio. SOLUTION: A diffractive spatial light modulator has a first substrate 1 and a second substrate 2 between which a liquid crystal layer 20 functioning as a first half wavelength retarder, a half wavelength plate 22 being a second half wavelength retarder, and a liquid crystal layer 21 functioning as a third wavelength retarder are arranged. The first and third half wavelength retarders have switchable optic axes whereas the second half wavelength retarder 22 has a fixed optic axis. The spatial light modulator has a plurality of pixels and each pixel constitutes a switchable phase-only diffraction grating. Each pixel is switchable between a first mode in which incident light is outputted as the zero-th order diffracted light and a second mode in which incident light is outputted as higher order diffracted light. The spatial light modulator can be used to realize a brighter projection display. COPYRIGHT: (C)2004,JPO
    • 要解决的问题:获得更高的亮度和更高的对比度。 解决方案:衍射空间光调制器具有第一衬底1和第二衬底2,在第一衬底1和第二衬底2之间形成用作第一半波长延迟器的液晶层20,作为第二半波长延迟器的半波长板22和液体 配置作为第三波长延迟器的晶体层21。 第一和第三半波长延迟器具有可切换的光轴,而第二半波长延迟器22具有固定的光轴。 空间光调制器具有多个像素,并且每个像素构成可切换的仅相位衍射光栅。 每个像素可在其中输入入射光作为零级衍射光的第一模式和入射光作为高阶衍射光输出的第二模式之间切换。 空间光调制器可用于实现更明亮的投影显示。 版权所有(C)2004,JPO