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    • 7. 发明授权
    • Liquid crystal display
    • 液晶显示器
    • US09557596B2
    • 2017-01-31
    • US13571374
    • 2012-08-10
    • Ting-I WuWang-Yang Li
    • Ting-I WuWang-Yang Li
    • G02F1/1335
    • G02F1/133504G02F1/133528G02F2001/133507G02F2001/133531G02F2201/305
    • A liquid crystal display (LCD) is provided and includes an liquid crystal panel, a diffraction plate, a first polarizer, a second polarizer, a first brightness enhancement film (BEF), and a second BEF. The diffraction plate is disposed on a first surface of the liquid crystal panel and has a diffractive direction. The first polarizer is disposed between the diffraction plate and the liquid crystal panel and has a first absorption axis. The second polarizer is disposed on a second surface of the liquid crystal panel opposite to the first surface and has a second absorption axis perpendicular to the first absorption axis. The first BEF has a first light-collecting direction. The second BEF has a second light-collecting direction perpendicular to the first light-collecting direction. The first light-collecting direction is parallel or perpendicular to the diffractive direction or the first absorption axis.
    • 提供一种液晶显示器(LCD),包括液晶面板,衍射板,第一偏振器,第二偏振器,第一亮度增强膜(BEF)和第二BEF。 衍射板设置在液晶面板的第一表面上并具有衍射方向。 第一偏振器设置在衍射板和液晶面板之间并具有第一吸收轴。 第二偏振器设置在与第一表面相对的液晶面板的第二表面上,并且具有垂直于第一吸收轴的第二吸收轴。 第一个BEF具有第一个聚光方向。 第二BEF具有垂直于第一聚光方向的第二聚光方向。 第一聚光方向平行或垂直于衍射方向或第一吸收轴线。
    • 8. 发明授权
    • Wide viewing angle transflective liquid crystal displays
    • 宽视角半透射液晶显示器
    • US07589808B2
    • 2009-09-15
    • US11763894
    • 2007-06-15
    • Zhibing GeThomas Xinzhang WuShin-Tson WuWang-Yang LiChung-Kuang Wei
    • Zhibing GeThomas Xinzhang WuShin-Tson WuWang-Yang LiChung-Kuang Wei
    • G02F1/1335
    • G02F1/133555G02F1/134363G02F2001/133548
    • Apparatus, methods and systems for a transmissive liquid crystal display including a plurality of pixel circuits, each pixel circuit including a reflective region and a transmissive region. The reflective region includes a polarization dependent reflector for reflecting ambient light. The reflective and transmissive regions include an initially homogeneously aligned liquid crystal layer sandwiched between a first and a second substrate. Each pixel further includes at least one first transparent electrode as the common electrode and at least one second transparent electrode as the pixel electrode both formed on one of the same first and second substrates, wherein substantial fringe fields with rich horizontal electric fields are generated in the liquid crystal layer when voltage is applied to the pixel electrode, making the liquid crystal molecules rotate mainly in the horizontal direction to achieve wide viewing angle.
    • 包括多个像素电路的透射型液晶显示器的装置,方法和系统,每个像素电路包括反射区域和透射区域。 反射区域包括用于反射环境光的偏振相关反射器。 反射和透射区域包括夹在第一和第二基底之间的初始均匀排列的液晶层。 每个像素还包括作为公共电极的至少一个第一透明电极和作为像素电极的至少一个第二透明电极都形成在相同的第一和第二基板之一上,其中在其中产生具有丰富的水平电场的实质边缘场 当对像素电极施加电压时,液晶分子主要在水平方向上旋转以实现宽视角。
    • 9. 发明授权
    • Wide-angle and broadband polarization converter
    • 广角和宽带极化转换器
    • US07583439B2
    • 2009-09-01
    • US11836351
    • 2007-08-09
    • Chang-Ching TsaiShin-Tson WuWang-Yang LiChung-Kuang Wei
    • Chang-Ching TsaiShin-Tson WuWang-Yang LiChung-Kuang Wei
    • G02B5/30
    • G02B27/286G02B5/3058G02B27/283
    • Apparatus and methods for a polarization converter comprising a polarization beam splitter for receiving an input light beam and allows a transverse magnetic to pass through the polarization beam splitter and reflects a transverse electric wave and a diffraction grating having a reflectivity and polarization convertible grating for receiving the transverse electric wave reflects back a reflected transverse electric wave having a polarization rotation. The broadband wide-angle polarization beam splitter can be alternative optical elements such as a prism or an optical device having multi-layered films. The diffraction grating can be a diffraction grating having alternating parallel protrusions and recesses, metallic diffraction grating, metal-coated diffraction grating, metal-coated multi-layered diffraction grating, non-metallic reflective material surface grating, volume grating, a multi-layer grating, diffractive grating having sub-wavelength grating periods or diffractive grating having multi-orders diffraction gratings. The diffraction grating can have alternative shapes such as binary, trapezoidal, sinusoidal, parabolic, triangular and Gaussian.
    • 一种用于偏振转换器的装置和方法,包括用于接收输入光束并允许横向磁通过偏振分束器并且反射横向电波的偏振分束器和具有反射率和偏振转换光栅的衍射光栅,用于接收 横向电波反射具有偏振旋转的反射横向电波。 宽带广角偏振分束器可以是诸如棱镜或具有多层膜的光学装置的替代光学元件。 衍射光栅可以是具有交替平行的突起和凹陷的衍射光栅,金属衍射光栅,金属涂覆衍射光栅,金属涂覆的多层衍射光栅,非金属反射材料表面光栅,体积光栅,多层光栅 具有亚波长光栅周期的衍射光栅或具有多阶衍射光栅的衍射光栅。 衍射光栅可以具有替代形状,例如二进制,梯形,正弦波,抛物线形,三角形和高斯。