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    • 2. 发明授权
    • Optical projection system and method
    • 光投影系统及方法
    • US07090350B2
    • 2006-08-15
    • US10782574
    • 2004-02-18
    • Ho LuChung-Jung ChenShih-Po Yeh
    • Ho LuChung-Jung ChenShih-Po Yeh
    • G03B21/14G03B21/26G03B21/28G02F1/1335G02B5/30
    • H04N9/3167G02B27/1026G02B27/145G02B27/149G02B27/283G03B21/14G03B21/2073G03B33/12H04N5/7441H04N9/3105H04N9/3152
    • An optical projection system can receive a red light beam, green light beam, and blue light beam. The optical projection system includes a color-combination prism, and the light beams respectively enter the color-combination prism from three surfaces and are combined into a mixed light beam, which exits from another surface. A projection lens set receives the mixed light beam to perform the projection. Each of the light beams further includes a liquid crystal reflection panel and a wire grid polarizer (WGP). The liquid crystal reflection panel is parallel to the corresponding surfaces of the color-combination prism. In the design, before the light beam entering the color-combination prism, they are first reflected by the WGP onto the liquid crystal reflection panel, and the liquid crystal reflection panels respectively with a polarizing state reflect the light beams, passing through the WGP and directly propagating toward the color-combination prism.
    • 光学投影系统可以接收红色光束,绿色光束和蓝色光束。 光学投影系统包括颜色组合棱镜,并且光束分别从三个表面进入组合棱镜,并且组合成从另一表面离开的混合光束。 投影透镜组接收混合光束以执行投影。 每个光束还包括液晶反射板和线栅偏振器(WGP)。 液晶反射面板与彩色组合棱镜的相应表面平行。 在设计中,在光束进入组合棱镜之前,它们首先被WGP反射到液晶反射面板上,分别具有偏光状态的液晶反射板反射穿过WGP的光束, 直接向彩色组合棱镜传播。
    • 9. 发明授权
    • Liquid crystal display
    • 液晶显示器
    • US08253877B2
    • 2012-08-28
    • US12352764
    • 2009-01-13
    • Tung-I YenChung-Jung Chen
    • Tung-I YenChung-Jung Chen
    • G02F1/13357
    • G02F1/133615G02F1/133608
    • A liquid crystal display (LCD) includes a back bezel, a light guide plate (LGP) having a light incident surface opposite to a first side wall of the back bezel, an LCD panel disposed above the LGP, a frame and a light source unit. There is an accommodation space between the first side wall of the back bezel and the light incident surface of the LGP. The frame is assembled with the back bezel to fix and surround the LGP and the LCD panel. A portion of the frame extends across the upper side of the accommodation space. A portion of the second side wall of the frame is opposite to the entrance side of the accommodation space and has a first securing portion. The light source unit has a second securing portion. When the light source unit is mounted/attached into the accommodation space, the second securing portion is jointed the first securing portion to secure the light source unit.
    • 液晶显示器(LCD)包括后挡板,具有与后挡板的第一侧壁相对的光入射面的导光板(LGP),设置在LGP上方的LCD面板,框架和光源单元 。 在后挡板的第一侧壁和LGP的光入射表面之间存在容纳空间。 框架与后挡板组装以固定和围绕LGP和LCD面板。 框架的一部分延伸穿过容纳空间的上侧。 框架的第二侧壁的一部分与容纳空间的入口侧相对并且具有第一固定部分。 光源单元具有第二固定部。 当光源单元安装/安装在容纳空间中时,第二固定部分接合第一固定部分以固定光源单元。