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An impulse-power generator, which encompasses low-cost and simple configuration, operated in discontinuous conduction mode for driving a tubular field emission lamp (TFEL) is proposed. The proposed system based on flyback topology can provide impulse-power driving to eliminate arcing phenomenon caused by traditional dc voltage driving. Therefore, both the lighting performance and lamp lifespan are...
An impulsed-power generator, which possesses low cost and simple configuration, operated in discontinuous conduction mode (DCM) for driving a tubular field emission lamp (TFEL) is presented in this paper. The proposed system based on flyback topology can provide impulse power driving to eliminate the arcing phenomenon caused by the traditional DC voltage driving. Therefore, both the lighting performance...
A high voltage driving circuit having pulse mode is proposed for driving tubular field emission lamp (FEL). The employed main circuit topology, which is a flyback converter operated in discontinuous conduction mode (DCM), will not only provide a low cost negative pulse feature, but also eliminate the arcing phenomenon caused by traditional DC driving so as to improve the system efficiency and the...
This paper proposes two novel dimming control schemes which possess four-phase or six-phase PWM dimming control for backlight inverter. We adopt four-phase or six-phase PWM dimming control to control the brightness of twelve lamps. Each phase can control four or two lamps. Circuit architecture is full bridge phase-shift circuit which can improve the total efficiency of the driving circuit. Because...
This paper investigates a high voltage pulse driver for driving carbon nanotube field emission lamp (CNT-FEL) based on a two-switch flyback topology. The proposed driver incorporates an energy recovery circuit to feedback the excess energy to DC bus, thus eliminating the arcing phenomenon caused by the traditional DC driving and improving the system efficiency. Analytical modeling, complete design...
A high voltage full-bridge resonant inverter is proposed for driving carbon nanotube field emission lamp (CNTL). First, we construct an equivalent model of CNTL to exhibit its electric characteristics. Moreover, the high frequency sinusoidal driving strategy is employed to eliminate the arcing phenomenon caused by the traditional DC driving. And then the PLL feedback controller is used to stabilize...
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