The system of claim 4, further comprising: an inverter power supply configured to generate a controllable power signal to said display, wherein said inverter power supply is controlled by said controller.Ħ. A system, comprising: a display a display brightness sensor for sensing light substantially directly emitted from said display and for generating a brightness level signal indicative of a brightness level of said display an ambient light sensor for generating an ambient light signal indicative of ambient light in the vicinity of said display and a controller coupled to said display brightness sensor and said ambient light sensor and for comparing said brightness level signal with said ambient light signal and controlling said brightness level of said display based on said comparison, wherein said controller further receives a default brightness signal indicating a default brightness level of said display, provides a threshold level based on said default brightness signal, and limits a variation range of said brightness level of said display according to said threshold level.ĥ.
The apparatus of claim 1, wherein said display is selected from the group consisting of an LCD panel, a plasma display, a field emission display and a light emitting diode display.Ĥ. The apparatus of claim 1, further comprising: an inverter power supply configured to generate a controllable power signal to said display, wherein said inverter power supply is controlled by said controller.ģ. An apparatus for controlling a brightness level of a display, comprising: a display brightness sensor for sensing light substantially directly emitted from said display and for generating a brightness level signal indicative of said brightness level of said display an ambient light sensor for generating an ambient light signal indicative of ambient light in the vicinity of said display and a controller coupled to said display brightness sensor and said ambient light sensor and for comparing said brightness level signal with said ambient light signal and controlling said brightness level of said display based on said comparison, wherein said controller further receives a default brightness signal indicating a default brightness of said display, provides a threshold level based on said default brightness signal, and limits a variation range of said brightness level of said display according to said threshold level.Ģ. Voltage control for adjusting the brightness of a screen displayīack light control apparatus and method for a flat display systemġ. Pixel circuit display apparatus and electronic apparatus equipped with current driving type light-emitting deviceĬorrection method for auto brightness control light sensors in liquid crystal displays Methods and apparatus for improving the quality of displayed images through the use of display device and display condition informationĭevice and method for controlling LCD backlightĪutomatic brightness control system and method for a display device using a logarithmic sensor Method and apparatus for characterizing and/or predicting display backlight response latencyĭynamic backlight and image adjustment using gamma correctionĪutomatic image luminance control with backlight adjustmentĪpparatuses, methods, and computer programs for displaying information on vehicles
Inverter controller with automatic brightness adjustment circuitry
DRIVER FOR LIGHT SOURCE HAVING INTEGRATED PHOTOSENSITIVE ELEMENTS FOR DRIVER CONTROL