Plasma display apparatus with reduced voltage variation
AssigneeFujitsu Hitachi Plasma Display Limited
InventorsMakoto Onozawa, Haruo Koizumi
Life of this patent
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Abstract
A plasma display apparatus includes a plurality of electrodes for electric discharge, and a drive circuit which drives the plurality of electrodes. The drive circuit includes first and second outputting circuits provided on a board, a connector provided on the board and coupled to the plurality of electrodes, and a conductive plate which is provided on the board, and provides electrical couplings between the first and second outputting circuits and the connector. The conductive plate includes a first area connected to the first outputting circuit and a second area connected to the second outputting circuit, the first area and the second area being substantially line-symmetric.
Claims17
A plasma display apparatus, comprising:
- a plurality of electrodes for electric discharge;
- and
- a drive circuit which drives said plurality of electrodes, wherein said drive circuit includes:
- first and second outputting circuits provided on a board;
- a connector provided on the board and coupled to said plurality of electrodes;
- and
- a conductive plate which is provided on the board, and provides electrical couplings between said first and second outputting circuits and said connector, wherein said conductive plate includes a first area connected to the first outputting circuit and a second area connected to the second outputting circuit, said first area and said second area being substantially line-symmetric.
A plasma display apparatus, comprising:
- a plurality of first electrodes;
- a plurality of second electrodes arranged substantially parallel to said plurality of first electrodes;
- a first drive circuit which applies a discharge voltage to said plurality of first electrodes;
- and
- a second drive circuit which applies a discharge voltage to said plurality of second electrodes, wherein sustain discharge is generated between the first electrodes and the second electrodes,
- wherein each of said first drive circuit and said second drive circuit includes:
- an outputting circuit provided on a board;
- a connector provided on the board and coupled to the first electrodes or the second electrodes;
- and
- a conductive plate which is provided on the board, and provides an electrical coupling between said outputting circuit and said connector,
- wherein a difference between a maximum and a minimum of a voltage change between the first electrodes and the second electrodes is equal to or less than 5 volts when sustain discharge currents run between the first electrodes and the second electrodes.
Dependencies are inferred from the claim text.