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    • 4. 发明专利
    • DE69918924T2
    • 2005-07-28
    • DE69918924
    • 1999-05-28
    • MITSUBISHI ELECTRIC CORP
    • ITO ATSUSHIARIMOTO HIRONOBU
    • G09F9/313G09G3/20G09G3/28G09G3/291G09G3/294G09G3/296H01J11/00H01J11/12H01J11/20H01J11/22H01J11/24H01J11/32H01J11/34H01J11/42H01J17/49
    • The present invention is concerned with a display panel having display cells, each of which is discharged to glow by means of paired cell-by-cell common electrodes and a discrete electrode, set in array, and a driving method for the display panel. An object of the present invention is to decrease the number of discrete contacts linked to the discrete electrodes so that the display cells can be driven discretely. Another object thereof is to define time domains, during which a plurality of common electrodes is controlled, within the period of a unit sequence so that the display cells can be driven discretely. A display panel has common electrodes, a plurality of cell-by-cell common electrodes, and discrete electrodes. The common electrodes are extending in columns on a transparent substrate. The cell-by-cell common electrodes are extending in rows from the common electrodes. The discrete electrodes are located among the adjoining cell-by-cell common electrodes on the transparent substrate. Display cells each of which is discharged to glow by means of paired cell-by-cell common electrodes and a discrete electrode are arranged in the display panel. According to a driving method for the display panel, the cell-by-cell common electrodes are interposed between the plurality of adjoining common electrodes. The discrete electrodes are located successively over display cells adjoining in rows. Time domains are determined during which display pulses are applied sequentially to the plurality of common electrodes. A unit sequence is completed over the time domains. Discharge control pulses are applied to the discrete electrodes. Thus, the display cells are lit or unlit.
    • 9. 发明专利
    • DE69914990T2
    • 2005-01-05
    • DE69914990
    • 1999-04-06
    • MITSUBISHI ELECTRIC CORP
    • KISHI HISATOSHIHEMMI KAZUHISAARIMOTO HIRONOBUITO ATSUSHI
    • H01J9/02H01J9/32H01J11/12H01J11/14H01J11/22H01J11/24H01J11/34H01J11/38H01J11/46H01J17/49H01J17/18
    • In a cell drive-type flat display panel, a metal electrode pad (26) and common signal line (24) are disposed outside the area (effective area) facing a recessed portion forming a cell. The individual cell electrode (20) acting as a cell electrode within the effective area is connected to a metal electrode pad (26) by extending each cell electrode to the metal electrode pad (26), while the metal electrode is not extended toward the effective area to cover each cell electrode. A common electrode (22) is connected to the common signal line (24) by extending each cell electrode to the metal electrode pad (26), while the metal electrode is not extended toward the effective area and to cover each cell electrode. This structure makes the cell electrodes flat and can reduce the drive voltage from the effect resulting from the suppressed dielectric film. The metal electrode pad (26) has a top surface on which a pin electrode is posted. The dielectric layer has an opening from which the metal electrode pad (26) is exposed, and covers the edges of the metal electrode pad (26). This structure can prevent the transparent electrode layer bridging the individual electrode (20) with the metal electrode pad (26) from making contact with the dielectric layer or frit with high reactivity.
    • 10. 发明专利
    • DE69914990D1
    • 2004-04-01
    • DE69914990
    • 1999-04-06
    • MITSUBISHI ELECTRIC CORP
    • KISHI HISATOSHIHEMMI KAZUHISAARIMOTO HIRONOBUITO ATSUSHI
    • H01J9/02H01J9/32H01J11/12H01J11/14H01J11/22H01J11/24H01J11/34H01J11/38H01J11/46H01J17/49H01J17/18
    • In a cell drive-type flat display panel, a metal electrode pad (26) and common signal line (24) are disposed outside the area (effective area) facing a recessed portion forming a cell. The individual cell electrode (20) acting as a cell electrode within the effective area is connected to a metal electrode pad (26) by extending each cell electrode to the metal electrode pad (26), while the metal electrode is not extended toward the effective area to cover each cell electrode. A common electrode (22) is connected to the common signal line (24) by extending each cell electrode to the metal electrode pad (26), while the metal electrode is not extended toward the effective area and to cover each cell electrode. This structure makes the cell electrodes flat and can reduce the drive voltage from the effect resulting from the suppressed dielectric film. The metal electrode pad (26) has a top surface on which a pin electrode is posted. The dielectric layer has an opening from which the metal electrode pad (26) is exposed, and covers the edges of the metal electrode pad (26). This structure can prevent the transparent electrode layer bridging the individual electrode (20) with the metal electrode pad (26) from making contact with the dielectric layer or frit with high reactivity.