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Method of driving plasma display panel (PDP)

A plasma and display panel technology, applied in static indicators, general control systems, instruments, etc., to solve problems such as unstable discharge

Inactive Publication Date: 2006-11-01
SAMSUNG SDI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In particular, in the PAL driving method, when reset discharge is performed by a reset pulse supplied within a reset period, a discharge error or low discharge occurs according to a change in temperature, which causes unstable discharge

Method used

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  • Method of driving plasma display panel (PDP)
  • Method of driving plasma display panel (PDP)
  • Method of driving plasma display panel (PDP)

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0033] The present invention will be fully described with reference to the accompanying drawings, in which exemplary embodiments of the invention are shown.

[0034] figure 1 is a perspective view of a 3-electrode surface discharge PDP 1 to which a PDP driving method according to an embodiment of the present invention is applied.

[0035] refer to figure 1 , address electrode A R1 ,...,A Bm , upper and lower insulating layers 11 and 15, Y electrode Y 1 ,...,Y n , X electrode X 1 ,...,X n , a fluorescent material layer 16, barrier ribs 17, and a MgO layer 12 as a protective layer are formed between the front and rear glass substrates 10 and 13 of the surface discharge PDP 1.

[0036] Address electrodes A are formed on the upper surface of the rear glass substrate 13 in a predetermined pattern. R1 ,...,A Bm . The lower insulating layer 15 covers the address electrodes A R1 ,...,A Bm . Isolation rib 17 and address electrode A R1 ,...,A Bm formed in parallel on the ...

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Abstract

A method of driving a Plasma Display Panel (PDP) having discharge cells formed where sustain electrodes cross address electrodes, the method including: processing an input image signal received from an external device and dividing the processed input image signal into frames, each frame including a plurality of subfields, each subfield having a corresponding gray scale weight; and supplying a voltage with a pulse waveform, the pulse waveform having the form of a slope during a predetermined period in the subfield. The method further includes: determining a type of the input image signal; and if the image signal is a Phase Alternation Line (PAL) signal, adjusting the gradient of the slope according to a temperature of the PDP.

Description

technical field [0001] The present invention relates to a method of driving a plasma display panel (PDP). More specifically, it relates to a method of driving a PDP, wherein a frame constituting a display period is divided into a plurality of subfields for time-division grayscale display, each subfield including a reset period, an address period, and a sustain-discharge period . Background technique [0002] A plasma display panel (PDP) has drawn public attention because it can be easily fabricated into a large-sized flat panel display. The PDP displays images using a discharge phenomenon. Generally, PDPs can be classified into DC PDPs and AC PDPs according to driving voltages. Since DC PDPs have a long discharge delay time, AC PDPs are currently mainly being developed. [0003] A representative AC PDP is a 3-electrode AC surface discharge PDP that includes 3 electrode groups and is driven by an AC voltage. Since the 3-electrode surface discharge PDP composed of a plura...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/292G09F9/313G09G3/20G09G3/288G09G3/291G09G3/296G09G3/298H01J17/49
CPCG09G3/204G09G3/2927G09G2310/066G09G2320/041G09G2340/0435G05B19/058G05B23/02G05B2219/14006
Inventor 金德玹
Owner SAMSUNG SDI CO LTD
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