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Drive appliance of displaying panel

A technology for display panels and driving equipment, applied to static indicators, instruments, etc., can solve the problems of large power consumption, charging or discharging, etc.

Inactive Publication Date: 2003-10-08
PIONEER CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the capacitance existing between adjacent column electrodes can also cause charging or discharging
Therefore, there is a problem that a large amount of electric power is consumed when writing cell data

Method used

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  • Drive appliance of displaying panel
  • Drive appliance of displaying panel
  • Drive appliance of displaying panel

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0027] Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0028] image 3 is a schematic structural diagram showing a display device including a display panel according to an embodiment of the present invention. The display device includes a PDP 10 and a drive unit (drive device) having various functional modules.

[0029] PDP10 has paired row electrodes Y 1 -Y n and row electrode X 1 -X n , wherein, a row electrode pair corresponding to each row (the first row to the nth row) in a screen is formed by an X, Y pair. Further, the column electrode Z corresponding to a single column (the first column to the mth column) in a screen 1 -Z mIt is formed on the PDP 10 by vertically passing through the pair of row electrodes and sandwiching a dielectric material layer (not shown) and a discharge space (not shown). Discharge unit C (i，j) Formed at the intersection of a pair of row electrodes X and Y and a column ...

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PUM

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Abstract

A driving device for a display panel generates a unit data, and the unit data includes a bit series corresponding to each column electrode of the display panel. The cell data indicates whether to emit light or not to emit light in each cell of the column electrode according to the image signal. The device utilizes resonance to generate a resonant amplitude signal with a specified minimum supply voltage. The device sequentially generates power pulses with a period corresponding to one bit of cell data by giving a specific maximum potential during the rising period and falling period of the resonant amplitude signal. The device provided on each column electrode determines the logic value of the cell data bit series in sequence of the bit series and supplies a power pulse as a drive pulse to the corresponding column electrode when the bit represents the logic value of light emission. The device judges the power amplitude in the cell data writing period, and changes the rising period and falling period of the resonant amplitude signal according to the determined result. This device can save power consumption in the cell data writing step.

Description

technical field [0001] The present invention relates to a driving device for a display panel having a capacitive load, such as an AC-driven plasma display panel (hereinafter referred to as PDP) or an electroluminescence display panel (hereinafter referred to as ELP). Background technique [0002] Recently, a display device using a capacitive light emitting device such as a PDP or an ELP has been practically applied to a wall-mounted television. [0003] in the attached picture figure 1 is a schematic diagram showing the structure of a plasma display device using a PDP. [0004] exist figure 1 In, PDP10 has a pair of row electrodes Y 1 -Y n and row electrode X 1 -X n , wherein a row electrode pair corresponding to each row (the first row to the nth row) in a screen is composed of a pair of row electrodes X and Y. Further, the column electrode Z corresponding to each column (the first column to the mth column) of a display screen 1 -Z m It is formed on the PDP 10 by v...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/20G09G3/288G09G3/291G09G3/292G09G3/293G09G3/294G09G3/296G09G3/298
CPCG09G3/293G09G3/2965G09G2310/0275G09G2310/066G09G2330/021G09G2360/16G09G3/22
Inventor 岩见隆
Owner PIONEER CORP