LCD device power saving system and method of reducing power consumption of LCD device
AssigneeTTE Indianapolis
InventorMark F. Rumreich
Life of this patent
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Abstract
A control system for a portable display device includes a battery power supply powering a display panel of the portable display device, a backlight controller and a video processor connected to the display panel for displaying images, an adaptive controller providing output signals to the backlight controller and the video processor, a video analyzer providing a first input to the adaptive controller, and a remaining display time estimator providing a second input to the adaptive controller, wherein the remaining display time estimator determines a remaining display time of the portable display device and controls the adaptive controller to adjust one of the backlight controller and the video processor based upon the determined remaining display time.
Claims20
A control system for a portable display device, comprising:
- a battery power supply powering a display panel of the portable display device;
- a backlight controller and a video processor connected to the display panel for displaying images;
- an adaptive controller providing output signals to the backlight controller and the video processor;
- a video analyzer providing a first input to the adaptive controller;
- and
- a remaining display time estimator providing a second input to the adaptive controller,
- wherein the remaining display time estimator determines a remaining display time of the portable display device and controls the adaptive controller to adjust one of the backlight controller and the video processor based upon the determined remaining display time.
A portable display device, comprising:
- a display panel;
- a battery power supply powering a display panel of the portable display device;
- an adaptive controller providing output signals to control the display panel;
- a video analyzer providing a first input to the adaptive controller;
- and
- a remaining display time estimator providing a second input to the adaptive controller to adjust a display of images on the display panel based upon a determination of a remaining display time of the portable display device.
A method of reducing power consumption of a portable display device, comprising:
- powering a display panel of the portable display device with a battery power supply to display images of a video program;
- determining a remaining display time of the portable display device based upon the battery power supply;
- and
- adjusting the display images on the display panel based upon the remaining display time.
Dependencies are inferred from the claim text.