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    • 97. 发明申请
    • Illumination device for liquid crystal display
    • 液晶显示器用照明装置
    • US20080089092A1
    • 2008-04-17
    • US11783682
    • 2007-04-11
    • Hong-seok LeeSu-mi LeeHwan-Young Choi
    • Hong-seok LeeSu-mi LeeHwan-Young Choi
    • F21V8/00
    • G02B6/0015G02B6/0018
    • An illumination device for a liquid crystal display (LCD) is provided, including: a flat light guide plate having a light exit surface; at least one linear source unit integrally formed with a side of the flat light guide plate and extending along the at least one side of the flat light guide plate; one or more point light sources emitting light through at least one of the side surfaces of the linear light source unit; and a plurality of light exit holes vertically passing through the flat light guide plate and arranged in a longitudinal direction of the linear light source unit between the light exit surface of the flat light guide plate and the linear light source unit, wherein each of the light exit holes has a reflective surface that totally reflects light incident on the linear light source unit into the flat light guide plate.
    • 提供了一种用于液晶显示器(LCD)的照明装置,包括:具有光出射面的平坦导光板; 至少一个线性源单元,与所述平面导光板的一侧整体形成并且沿着所述平坦导光板的至少一个侧面延伸; 一个或多个点光源通过线性光源单元的至少一个侧表面发射光; 以及在平面导光板的光出射面和线状光源单元之间沿直线光源单元的纵向布置的垂直方向穿过平板导光板的多个光出射孔,其中每个光 出射孔具有将入射到线性光源单元的光全部反射入平板导光板的反射面。
    • 98. 发明授权
    • Polarization mode dispersion compensation apparatus using a photonic crystal structure
    • 使用光子晶体结构的偏振模色散补偿装置
    • US07206513B2
    • 2007-04-17
    • US10636735
    • 2003-08-08
    • Hong-seok LeeJi-deog KimIl-kwon MoonSuk-han Lee
    • Hong-seok LeeJi-deog KimIl-kwon MoonSuk-han Lee
    • H04J14/02
    • G02F1/0121B82Y20/00G02B6/1225G02F1/011G02F1/0136G02F1/1326G02F1/13318G02F2202/32H04B10/2569
    • A polarization mode dispersion compensation apparatus using a photonic crystal structure includes an optical signal splitter for splitting and outputting incident optical signals into optical signals of a first and second polarization state; an optical signal combiner for combining and outputting the optical signals of the first and second polarization states; an optical signal guide having a photonic crystal structure having a first waveguide and a longer and variable second waveguide; a signal tab for externally outputting a portion of the optical signals and for outputting a portion of the optical signals to a feedback unit; a feedback unit for measuring a dispersion degree of the first and second polarization states inputted from the signal tab, and for outputting a feedback signal for removing the polarization mode dispersion; and an effective optical path length variation unit for varying an effective optical path length of the second waveguide.
    • 使用光子晶体结构的偏振模色散补偿装置包括用于将入射光信号分离并输出到第一和第二偏振状态的光信号的光信号分离器; 光信号组合器,用于组合和输出第一和第二极化状态的光信号; 具有光子晶体结构的光信号引导件,具有第一波导和较长且可变的第二波导; 用于从外部输出光信号的一部分并将一部分光信号输出到反馈单元的信号标签; 反馈单元,用于测量从信号标签输入的第一和第二偏振态的色散度,并输出用于去除偏振模色散的反馈信号; 以及用于改变第二波导的有效光程长度的有效光程长度变化单元。