POWER MANAGEMENT FOR HEAD WORN COMPUTING
Aspects of the present invention relate to context based power management of a head-worn computer.
1 . A display system with reduced power usage that displays an image over a see-through display area comprising:
a. a light source with multiple portions that can be operated independently;
b. a light distribution system that provides light from each portion of the light source to illuminate a corresponding area of the display; and
c. a control system to turn OFF portions of the light source that are associated with portions of the display area where there is no image content in a corresponding section of the see-through display.
2 . The display system of claim 1 wherein the light source includes multiple LEDs.
3 . The display system of claim 1 wherein the light source includes multiple backlights.
4 . The display system of claim 1 wherein the light source includes diffusers with elliptical lighting patterns.
5 . The display system of claim 1 wherein the displayed image is compressed to provide portions of the display area where there is no image content.