Driver for display panel

Details Driver for display panel Driver for display panel

1998-04-27

1999-11-30

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Current driver

327110, 361156, H03B 100

Patent

active

059949295

ABSTRACT:
A capacitive load drive is provided, which can perform faster and more efficient operation than an energy recovery circuit for effectively reducing ineffective energy of pulses applied to a capacitive load. An energy recovery circuit is connected to a first electrode of the capacitive load, to which pulses are applied. The energy recovery circuit comprises a coil and a capacitor connected in series for energy recovery, and a first and a second voltage clamp switches connected to the other terminal of the series circuit of the coil and the capacitor, the first voltage clamp switch being connected to a high voltage side terminal of the DC power supply, the second voltage clamp switch being connected to a low voltage side terminal of the DC power supply.

REFERENCES:
patent: 4410926 (1983-10-01), Hafner et al.
patent: 4707692 (1987-11-01), Higgins et al.
patent: 4820940 (1989-04-01), Wachi et al.
patent: 5220467 (1993-06-01), Zucker
patent: 5907465 (1999-05-01), Easter
Higgins, "A Low-Power Drive Scheme for AC TELL Displays" SID 85 Digest pp. 226-227 (1985).

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