LED BACKLIGHT
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Feb 25, 2010
app pub date -
Aug 20, 2008
filing date -
Aug 20, 2008
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An LED backlight controller is disclosed. One embodiment comprises a luminance regulator to generate a luminance control signal to adjust a luminance level in a LED backlight assembly, a timing controller to generate a dimming control signal to adjust a dimming level in the LED backlight assembly, wherein the dimming control signal is a pulse width modulated signal, and an LED driver circuit to receive the luminance control signal and the dimming control signal, the LED driver circuit further to generate an LED driver signal to provide to the LED backlight assembly, wherein the LED driver circuit is configured to control luminance by adjusting the current of the LED driver signal, and wherein the LED driver circuit is configured to adjust a dimming level in the LED backlight assembly by a change in the duty cycle for the dimming control signal. Other embodiments are described herein.
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