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    • 95. 发明申请
    • PROJECTION DISPLAY UNIT AND DIRECT-VIEW DISPLAY UNIT
    • 投影显示单元和直观显示单元
    • US20150373312A1
    • 2015-12-24
    • US14654909
    • 2013-11-27
    • SONY CORPORATION
    • Koji MIURA
    • H04N9/31G02F1/13363G02F1/1335
    • H04N9/3167G02B27/283G02F1/133528G02F1/13363G02F2001/13355G02F2203/12G03B21/2013G03B21/2033G03B21/2073G03B33/12H04N9/3111H04N9/3161
    • A projection display unit includes: an illumination optical system including one or more light sources; a reflective liquid crystal device that generates image light by modulating light from the illumination optical system, based on an input image signal; a polarizing beam splitter disposed on an optical path between the illumination optical system and the reflective liquid crystal device; a polarization compensation device disposed on an optical path between the polarizing beam splitter and the reflective liquid crystal device, and the polarization compensation device that provides a phase difference to light incident thereon to change a polarization state of the light; and a projection optical system that projects image light generated by the reflective liquid crystal device and then being incident thereon through an optical path, the optical path passing through the polarization compensation device and the polarizing beam splitter. The polarization compensation device has a first surface and a second surface that faces each other along an optical axis, and provides a phase difference between absolute values at light incidence from the first surface and at light incidence from the second surface, the absolute values being opposite in polarity to each other and being substantially equal to each other.
    • 投影显示单元包括:照明光学系统,包括一个或多个光源; 反射型液晶装置,其通过基于输入图像信号调制来自照明光学系统的光来生成图像光; 偏振分束器,设置在照明光学系统和反射型液晶装置之间的光路上; 设置在偏振光束分离器和反射型液晶装置之间的光路上的偏振补偿装置和对入射到其上的光提供相位差以改变光的偏振状态的偏振补偿装置; 以及投影光学系统,其投影由反射型液晶装置产生的图像光,然后通过光路入射到其上,所述光路通过偏振补偿装置和偏振光束分离器。 偏振补偿装置具有沿着光轴彼此面对的第一表面和第二表面,并且提供从第一表面入射的光和从第二表面入射的绝对值之间的相位差,绝对值相反 彼此极性并且彼此基本相等。
    • 96. 发明申请
    • LIQUID CRYSTAL DISPLAY APPARATUS
    • 液晶显示装置
    • US20150370126A1
    • 2015-12-24
    • US14500235
    • 2014-09-29
    • Boe Technology Group Co., Ltd.
    • Pan LiYanbing WuWenbo LiChunyan JiXiangyan Zhang
    • G02F1/1335
    • G02F1/133528G02F2001/13355
    • A liquid crystal display device includes a liquid crystal panel, a polaroid for polarizing light positioned on a light incident side of the liquid crystal panel, and a polarization analyzer positioned on a light emission side of the liquid crystal panel. The polarization analyzer includes a transparent plate. The transparent plate being arranged at a set angle with a light emission surface of the liquid crystal panel, such that the transparent plate analyzes polarization of light emitted from the light emission surface of the liquid crystal panel. Because the polaroid is used only on the light incident side of the liquid crystal panel, while the transparent plate is used instead of a polaroid on the light emission side of the liquid crystal panel,a reduction in the material cost of the liquid crystal display device can be achieved.
    • 液晶显示装置包括液晶面板,位于液晶面板的光入射侧的用于偏振光的偏振片,以及位于液晶面板的发光侧的偏振光分析装置。 偏振分析仪包括透明板。 所述透明板与所述液晶面板的发光面以一定角度配置,使得所述透明板分析从所述液晶面板的发光面发射的光的偏振。 由于仅在液晶面板的光入射侧使用偏光镜,在液晶面板的发光侧使用透明板代替偏光片时,液晶显示装置的材料成本降低 可以实现。
    • 97. 发明申请
    • TRANSPARENT DISPLAY DEVICE
    • 透明显示设备
    • US20150316816A1
    • 2015-11-05
    • US14480893
    • 2014-09-09
    • BOE TECHNOLOGY GROUP CO., LTD.
    • Shang Wang
    • G02F1/1335
    • G02F1/13362G02F1/133528G02F2001/133545G02F2001/13355G02F2001/133616
    • The present invention discloses a transparent display device comprising a display panel, an array of polarization light splitting sheets provided on the side of the display panel on which no polarizer is provided, and at least one polarization light sources provided at a side of the array and emitting a polarized light polarized along a certain direction towards an inner surface of at least one polarization light splitting sheets in the array. The polarized light polarized in the certain direction, emitted by a corresponding polarization light source and incident onto the inner surface of the polarization light splitting sheet can be reflected to the display panel, and the polarized light polarized in a direction perpendicular to the certain direction, coming from an ambient light and incident onto an outer surface of the polarization light splitting sheet can be transmitted to the display panel.
    • 本发明公开了一种透明显示装置,包括显示面板,设置在不设置偏振器的显示面板侧的偏振光分离片阵列和设置在阵列侧的至少一个偏振光源, 发射沿着某一方向偏振的偏振光朝向阵列中的至少一个偏振光分束片的内表面。 由对应的偏振光源发射并入射到偏振光分束片的内表面上的一定方向偏振的偏振光可以被反射到显示面板,并且偏振光在垂直于该特定方向的方向上偏振, 来自环境光并入射到偏振光分束片的外表面上的光可以传输到显示面板。