| 摘要 |
PROBLEM TO BE SOLVED: To provide a portable computing device for rendering information displayed on a display more readily readable over a wide range of ambient light levels.SOLUTION: A portable computing device comprises: a housing having an external surface and an event notifier (162); and a display device and a light controller which are disposed within the housing. The event notifier includes an event notification lamp (166), and a light conduit (168) 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, and 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. |
