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    • 10. 发明申请
    • Dual-function light guide for LCD backlight
    • LCD背光双功能导光板
    • US20060192749A1
    • 2006-08-31
    • US11066451
    • 2005-02-28
    • Robert LowlesMarc DraderJames Robinson
    • Robert LowlesMarc DraderJames Robinson
    • G09G3/36
    • H04M1/22G09G3/3406G09G2320/0626G09G2360/144H04M19/04H04M19/048H04M2250/12
    • A portable computing device includes a housing having an external surface, and an event notifier, a display device, and a light controller disposed within the housing. The event notifier includes an event notification lamp, and a light conduit terminating at the external surface for conveying light between the event notification lamp and the external surface. The display device includes illumination means for improved visualization of information rendered on the display device. The light controller is coupled to the event notifier and the illumination means. The light controller is configured to determine the intensity of ambient light external to the housing via the light conduit, and to adjust the intensity of light emitted by the illumination means in accordance with the determined ambient light intensity.
    • 便携式计算设备包括具有外表面的壳体,以及设置在壳体内的事件通知器,显示设备和光控制器。 事件通知器包括事件通知灯和终端于外表面的光导管,用于在事件通知灯和外表面之间传送光。 显示装置包括用于改善在显示装置上呈现的信息的可视化的照明装置。 光控制器耦合到事件通知器和照明装置。 光控制器被配置为经由光导管确定外壳外部的环境光的强度,并且根据所确定的环境光强度来调整由照明装置发射的光的强度。