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Plasma display apparatus

A display device, plasma technology, used in static indicators, televisions, instruments, etc.

Inactive Publication Date: 2007-11-21
FUJITSU HITACHI PLASMA DISPLAY LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Japanese Unexamined Patent Publication (Kokai) No. 11-65517 describes the necessity of considering the luminance caused by other discharges related to the display of gradation, but conventionally only the luminous luminance caused by the supply discharge is considered

Method used

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  • Plasma display apparatus
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Experimental program
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Embodiment Construction

[0050] FIG. 6 shows the overall configuration of a plasma display device (PDP device) in the first embodiment of the present invention. A plasma display panel (PDP) 30 has the configuration shown in FIG. 1 . The address driver 31 applies an address pulse having a ground level or voltage Va to each address electrode 15 . The Y scan driver 32 sequentially applies a scan pulse having a voltage −Vs to each Y electrode, and at the same time, commonly applies a predetermined voltage such as a supply pulse supplied through the Y supply circuit 33 to all second electrodes (Y electrodes) 12 . The X supply circuit 34 commonly applies a predetermined voltage such as a supply pulse to the first electrodes (X electrodes) 11 . The control circuit 35 controls each of the components described above.

[0051] The PDP device in the first embodiment has a well-known conventional construction, and one frame is composed of a plurality of subfields, but the driving waveform in the low-brightness ...

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PUM

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Abstract

A high quality, three-electrode type plasma display apparatus, of which the display of low-luminance gradations has been improved by reducing the minimum luminance of the subfield, has been disclosed. In the plasma display apparatus, a subfield of even lower luminance is provided by: providing at least one subfield (SF1, SF2) made up of only a reset period (R) and an address period (A), without a sustain period (S), in one frame, and causing an address discharge to occur only between Y (second) electrodes and address (third) electrodes; or providing at least two second subfields (SF1, SF2) made up of only a reset period (R) and an address period (A) in one frame, and making the intensity of an address discharge differ between the two second subfields.

Description

[0001] This application is a divisional application of the patent application filed on September 17, 2004 with the title of invention "plasma display device" and application number 200410073990.8. technical field [0002] The present invention relates to an addressing / display separation system AC type plasma display device (PDP device), which is used as a display unit of a personal computer or workstation, a flat panel TV, or a plasma display for displaying advertisements, information, and the like. Background technique [0003] For AC-type color PDP devices, an address / display separation system is widely used, in which a period for selecting cells (cells) for display (address period) and a period for inducing discharge light emission to produce display (supply period) are separated open. In this system, during addressing, charges are accumulated in cells to be lit, and, using the charges, discharges are induced during replenishment to produce a display. [0004] The PDP de...

Claims

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Application Information

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IPC IPC(8): G09G3/28H04N5/66G09G3/20G09G3/288G09G3/291G09G3/293G09G3/294G09G3/298G09G3/299
CPCG09G3/299G09G3/2037G09G3/2935G09G2320/0238G09G3/2932G09G3/2983G09G2320/0271G09G3/293
Inventor 佐佐木孝木村雄一郎西村悟
Owner FUJITSU HITACHI PLASMA DISPLAY LTD