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    • 6. 发明申请
    • LASER EMISSION DEVICE AND IMAGE DISPLAY DEVICE USING THE SAME
    • 激光发射装置和使用其的图像显示装置
    • US20100033508A1
    • 2010-02-11
    • US12443258
    • 2007-09-28
    • Tetsuro MizushimaAkihiro MorikawaKazuhisa YamamotoKenichi KasazumiHiroyuki FuruyaShinichi Kadowaki
    • Tetsuro MizushimaAkihiro MorikawaKazuhisa YamamotoKenichi KasazumiHiroyuki FuruyaShinichi Kadowaki
    • G09G5/10H01S5/062H01S3/00
    • H01S5/4025G09G3/3406G09G3/3413G09G2320/043G09G2320/0693G09G2330/021G09G2330/08G09G2360/145H01S5/0683H01S5/4012H01S5/4087H04N9/3161H04N9/3164
    • A laser emission device which can emit a high-luminance and high-monochromaticity light with a high efficiency, a low power consumption, and a long lifetime, and a image display device using the laser emission device are provided.A laser emission device comprises a plurality of laser elements (21), a plurality of laser driving power supplies (22) which supply currents into the plural laser elements (21), optical elements (35) which uniformize the laser light amount distributions of laser lights emitted from the laser elements (21), plural light-receiving elements (26) which receive parts (25) of the laser lights (23) outputted from the laser elements (21), a measurement unit (27) which measures at least the relations between the operation current values of the laser elements (21) and the output power values of the laser lights with respect to the operation current values, and a control unit (28) which operates the entirety of the device based on the measured values obtained by the measurement unit (27), and the control unit (28) operates the laser driving power supplies (22) according to the operation current values and the output power values so as to make the light output powers of the laser elements (21) different from each other.
    • 提供了能够以高效率,低功耗和长寿命发射高亮度和高单色度光的激光发射装置和使用该激光发射装置的图像显示装置。 激光发射装置包括多个激光元件(21),向多个激光元件(21)供给电流的多个激光驱动电源(22),使激光的激光量分布均匀化的光学元件(35) 从激光元件(21)发射的光,接收从激光元件(21)输出的激光(23)的部分(25)的多个光接收元件(26),至少测量的测量单元 激光元件(21)的工作电流值与激光的输出功率值之间的关系相对于操作电流值的关系,以及基于测量值操作整个装置的控制单元(28) 由所述测量单元(27)获得,并且所述控制单元(28)根据所述操作电流值和所述输出功率值对所述激光驱动电源(22)进行操作,以使得所述激光元件(21)的光输出功率 )dif 彼此相差