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    • 1. 发明授权
    • Zoom lens
    • 变焦镜头
    • US06853498B2
    • 2005-02-08
    • US10853669
    • 2004-05-25
    • Sung-Woo KimYoung-Woo Park
    • Sung-Woo KimYoung-Woo Park
    • G02B13/18G02B15/177G02B15/14
    • G02B13/18G02B15/177
    • The zoom lens comprises, in order from an object side: a first lens group having a negative refractive power, the first lens group including a first lens having a negative refractive power, and a second lens having a positive refractive power; a second lens group having a positive refractive power, the second lens group including a third lens having a positive refractive power, and a fourth lens having a negative refractive power; and a third lens group having a positive refractive power, the third lens group including a fifth lens having a positive refractive power, the zoom lens satisfying the following conditional expression: - 3.0
    • 变焦透镜从物体侧依次包括具有负屈光力的第一透镜组,第一透镜组包括具有负折光力的第一透镜和具有正折光力的第二透镜; 具有正屈光力的第二透镜组,所述第二透镜组包括具有正折光力的第三透镜和具有负屈光力的第四透镜; 和具有正折光力的第三透镜组,所述第三透镜组包括具有正折光力的第五透镜,所述变焦透镜满足以下条件表达式:其中f1表示第一透镜组的焦距; fw表示广角位置处的总焦距。
    • 7. 发明授权
    • Stereoscopic image display device
    • 立体图像显示装置
    • US08760396B2
    • 2014-06-24
    • US13155855
    • 2011-06-08
    • Sung-Woo KimByung-Joo Lee
    • Sung-Woo KimByung-Joo Lee
    • G09G5/00
    • G02B27/2214G02B3/12H04N13/31H04N13/312H04N13/315H04N13/32H04N13/373H04N13/376
    • Disclosed is a stereoscopic image display device which detects movement of moving viewers from among multiple viewers and enables the multiple viewers to observe a stereoscopic image even if the moving viewers change positions, the stereoscopic image display device includes a display panel corresponding to one switchable region to emit two-dimensional images, the number of which is more than the number of N views (N being a natural number over 3), a switchable panel located on the display panel to convert the two-dimensional images into three-dimensional images and to emit the three-dimensional images when voltage is applied thereto, a detection unit to detect movement of moving viewers from among multiple views and final positions of the moving viewers, and a control unit to output a control signal to shift the views of the two-dimensional images according to the movement and the final positions of the moving viewers.
    • 公开了一种立体图像显示装置,其检测多个观看者中的移动观看者的移动,并且即使移动观看者改变位置,也能够使多个观看者观察立体图像,立体图像显示装置包括对应于一个可切换区域的显示面板 发射二维图像,其数量大于N个视图的数量(N是3以上的自然数),位于显示面板上的可切换面板将二维图像转换成三维图像,并且 在施加电压时发出三维图像;检测单元,用于检测移动观看者从移动观看者的多个视图和最终位置的移动;以及控制单元,输出控制信号, 根据移动观众的移动和最终位置的三维图像。