Single-stage backlight inverter and method for driving the same

Details Single-stage backlight inverter and method for driving the same Single-stage backlight inverter and method for driving the same

2005-08-16

2005-08-16

Berhane, Adolf (Department: 2838)

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

C363S132000

Reexamination Certificate

active

06930898

ABSTRACT:
Disclosed herein are a single-stage backlight inverter and a method for driving the same. The single-stage backlight inverter comprises a main oscillator for generating a predetermined triangle-wave oscillation signal, a predetermined clock signal and an inverted clock signal, and an output drive controller responsive to the triangle-wave oscillation signal, clock signal and inverted clock signal from the main oscillator and first and second reference voltages set therein. The second reference voltage has a level set to an intermediate level of the triangle-wave oscillation signal. The output drive controller is adapted to generate a first drive control signal and generate a second drive control signal. The inverter further comprises a first output unit for outputting a pair of first switching signals in response to the first drive control signal, and a second output unit for outputting a pair of second switching signals in response to the second drive control signal.

REFERENCES:
patent: 5666279 (1997-09-01), Takehara et al.
patent: 5818709 (1998-10-01), Takehara
patent: 6690591 (2004-02-01), Min

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