| 摘要 |
<p>A device for reducing the brightness level of a portion of a display area of an imaging unit. The device comprises a gaze tracking unit adapted to assess eye gazing direction of an observer, a controllable transparency panel adapted to be mounted in front of a display area of an imaging unit and to display a changeable brightness reduction pattern having a original display brightness portion and a darkening portion therearound, and a controller which instructs the controllable transparency panel to change the brightness reduction pattern according to the eye gazing direction in real time so that the location of the original display brightness portion being correlated with the location of at least one fovea of the observer in real time.</p> |
