Patent ID: 6677936
Filing Date: 2004-01-13
Classification: G02B,G09G,H04M,H04N

Abstract:
An electronic image viewing device comprising:a device housing; an image sensor that is mounted to the housing and senses an image; a signal processor that is mounted to the housing and processes signals from the image sensor; a display circuit that is electrically connected to the signal processor and generates display data based on the processed signals; a light valve display that is mounted to the housing and presents the display data as an image; a light emitting diode (LED) light source that is optically coupled to the display for illuminating the image presented on the display; a lens optically coupled to the display that focuses the image on the display for viewing by a user; and a power management circuit that controls the power consumption of the display, the power management circuit lowering the power consumption of the display after the image is illuminated until the next image is ready to be presented on the display, without comparing images.