Abstract
A plasma display panel (PDP) driver with dissymmetric
energy transfer speed is designed to obtain fast voltage transition during
the up-commutation period and improved efficiency during the down-commutation
period. The proposed driver configures the sustain circuit and the resonant
circuit in such a way that the resonant network is energized by the sustain
voltage level and the half sustain voltage level in charging and discharging
the panel capacitor, respectively. The energy transferred into the panel from
the power supply is twice as fast as the conventional Weber-type driver biased
by half sustain voltage level, for improved image quality and display resolution.
The proposed driver, on the other hand, recovers the panel energy using the
resonant circuit with the half sustain voltage and increased inductance, leading
to enhanced energy recovery. Moreover, the proposed driver is supplied from
half of required sustain voltage level. As a result, the proposed driver can
be designed by devices with reduced voltage rating compared with the conventional
Weber-type driver. Therefore, the PDP driver presented in this paper can feature
faster sustain voltage transition, higher brightness, uniform images, low-voltage
power supply, low-voltage-rating switching devices, and high efficiency.
© 2012 IEEE
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