Patent ID: 8749472
Filing Date: 2014-06-10
Classification: G09G,H04N

Abstract:
1. A light emitting diode (LED) driving system, to drive an LED array of a display device comprising a display panel and a panel driver, the LED driving system comprising: a microcontroller, connected to the panel driver to output a first signal when the display device is in a 3D mode, and to output a second signal when the display device is in a two dimension (2D) mode; a pulse width modulator (PWM) controller comprising an oscillation pin, a compensation pin and a current detect pin; a 3D parameter circuit comprising: a 2D parameter circuit generating and outputting a 2D parameter control signal according to output of the 3D frequency parameter circuit, the 3D current detection parameter circuit and the 3D compensation parameter circuit, the 2D parameter circuit comprising: