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    • 10. 发明申请
    • PLANAR LIGHTING DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE
    • 平面照明装置和液晶显示装置
    • US20100214208A1
    • 2010-08-26
    • US12159395
    • 2006-12-25
    • Tatsuo ItohTetsuro MizushimaKenichi KasazumiKazuhisa YamamotoShinichi Kadowaki
    • Tatsuo ItohTetsuro MizushimaKenichi KasazumiKazuhisa YamamotoShinichi Kadowaki
    • G02F1/13357G09G3/36F21V7/04
    • G02B6/0001G02B6/0033G02B6/0068G02B6/0078
    • A planar lighting device that applies light having high luminance with good monochromatic characteristics, and a liquid crystal display device using the same are provided. The planar lighting device (11) is provided with: a laser light source (12) that emits laser light beams of red, green and blue colors; at least one optical wave guide unit (14) that is placed in a plane state and is optically connected to the laser light source to propagate the laser light beams emitted from the laser light source; a planar light guide plate (15) that is arranged on a surface side of the optical wave guide unit, spreads the laser light beams propagating through the optical wave guide unit, and outputs the laser light beams from one of principal surfaces (21); and a plurality of light taking out units (19) that are arranged on the other principal surface of the light guide plate, and guide the laser light beams propagating through the optical wave guide unit to the light guide plate.
    • 提供了一种采用具有良好的单色特性的具有高亮度的光的平面照明装置和使用该照明装置的液晶显示装置。 平面照明装置(11)设置有:发射红色,绿色和蓝色激光的激光光源(12); 至少一个光波导单元(14),其被放置在平面状态并且光学连接到激光光源以传播从激光光源发射的激光束; 布置在所述光波导单元的表面侧的平面导光板(15)扩散通过所述光波导单元传播的激光束,并从所述主表面(21)之一输出所述激光束。 以及布置在导光板的另一个主表面上的多个光取出单元(19),并且将通过光波导单元传播的激光束引导到导光板。