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KR100228779B1 - Plasma display device - Google Patents

Plasma display device Download PDF

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Publication number
KR100228779B1
KR100228779B1 KR1019950014050A KR19950014050A KR100228779B1 KR 100228779 B1 KR100228779 B1 KR 100228779B1 KR 1019950014050 A KR1019950014050 A KR 1019950014050A KR 19950014050 A KR19950014050 A KR 19950014050A KR 100228779 B1 KR100228779 B1 KR 100228779B1
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South Korea
Prior art keywords
electrode
pdp
configuration
common
scan
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KR1019950014050A
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Korean (ko)
Inventor
김민철
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김영남
오리온전기주식회사
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Abstract

본 발명은 신규한 구성의 PDP를 개시한다.The present invention discloses a PDP having a novel configuration.

종래의 PDP는 스캔전극이 표시방전뿐 아니라 유지방전에도 공용되도록 되어 있어서 공급전압의 극성이 반전하므로 구동회로의 구성이 어려운 문제가 있었다.Conventional PDPs have a problem in that the configuration of the driving circuit is difficult because the scan electrodes are shared not only with display discharges but also with sustain discharges because the polarities of the supply voltages are reversed.

본 발명에서는 표시방전은 스캔전극과 어드레스전극 사이에서 일어나도록 하고, 유지방전은 별도로 구비한 한쌍의 커먼전극이 전담하도록 함으로써 구동회로의 구성이 용이하도록 하였다.In the present invention, the display discharge is caused between the scan electrode and the address electrode, and the sustain discharge is made to be dedicated to a pair of common electrodes separately provided to facilitate the configuration of the driving circuit.

Description

플라즈마 표시소자Plasma display device

제1도는 종래의 PDP의 구성을 보이는 개략도.1 is a schematic view showing the structure of a conventional PDP.

제2도는 그 구동 파형도.2 is a driving waveform diagram thereof.

제3도는 본 발명 PDP의 구성을 보이는 개략도.3 is a schematic view showing the configuration of the present invention PDP.

제4도는 그 구동 파형도이다.4 is a driving waveform diagram.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

Z1Z2 : 어드레스(address)전극 Y1Y3 : 스캔(scan)전극Z1 Z2: address electrode Y1 Y3: scan electrode

X,Y : (한쌍의) 커먼(common)전극 B : 격벽(barrier rib)X, Y: (pair) common electrode B: barrier rib

P : 화소(pixel)P: pixel

본 발명은 플라즈마 표시소자(PDP: Plasma Display Panel)에 관한 것으로, 특히 교류형(AC) PDP에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a plasma display panel (PDP), and more particularly to an AC PDP.

기체방전을 화상표시에 이용하는 PDP는 구동전압의 인가 형태에 따라 DC PDP와 AC PDP로 구분된다. 직류 구동전압을 인가하는 DC PDP는 구동회로는 간단하나 메모리효과등의 구현을 위해서는 패널구조가 복잡해지고, AC PDP는 반대로 패널구조는 간단하지만 구동회로는 복잡해지는 특성이 있다.PDPs using gas discharge for image display are classified into DC PDPs and AC PDPs depending on the type of driving voltage applied thereto. The DC PDP applying the DC driving voltage has a simple driving circuit, but the panel structure is complicated to realize the memory effect, whereas the AC PDP has a simple panel structure but the driving circuit is complicated.

특히 AC PDP는 음극선관에 비해 68배 정도의 고속으로 기입, 유지, 소거의 동작을 수행해야 음극선관과 같은 화상을 재현할 수 있다.Especially AC PDP is 6 Writing, holding, and erasing operations at about eight times the high speed can reproduce images such as cathode ray tubes.

제1도에 도시된 것은 일본 후지쓰방식의 AC PDP로 스캔(scan)전극과 유지전극이 공용(共用)되는 구성이다.Shown in FIG. 1 is a configuration in which a scan electrode and a sustain electrode are shared by an AC PDP of the Fujitsu method in Japan.

제1도에서, 격벽(B)으로 구획된 각 화소(P)에는 스캔전극(Y1Y4)과 어드레스(address)전극(Z1Z2)이 교차하도록 대향배치되고, 스캔전극(Y1Y3)과 평행하게 커먼(common)전극(X)이 배치되어 있다. 이와같은 AC PDP는 제2도에서 도시된 바와 같이 각 스캔전극(Y1Y4)에 순차적으로 V의 구동전압이 공급됨으로써 한 프레임의 화면이 스캔(scan)되고 이 스캔전극(Y1Y4)의 스캔중 발광될 화소가 어드레스전극(Z1Z2)을 통해 선택됨으로써 표시방전이 일어나 화상의 표시가 이루어진다.In FIG. 1, each pixel P partitioned by the partition B has a scan electrode Y1. Y4 and address electrode Z1 Z2 is disposed so as to intersect, and the scan electrode Y1 The common electrode X is disposed in parallel with Y3). Such an AC PDP has the respective scan electrodes Y1 as shown in FIG. By sequentially supplying a driving voltage of V to Y4, a screen of one frame is scanned and the scan electrode Y1 The pixel to emit light during scanning of Y4 is the address electrode Z1. Selection via Z2) causes display discharge to display an image.

그런데 이러한 구성의 AC PDP에서는 스캔전극(Y1Y4)이 화면의 상부로부터 하부로 스캔되고 나면 스캔전극(Y1Y4)에 +V의 유지전압이 인가되어 커먼전극(X)의 공통전압과 함께 유지방전을 일으키게 된다.However, in the AC PDP of this configuration, the scan electrode (Y1) After Y4 is scanned from the top to the bottom of the screen, the scan electrode Y1 A sustain voltage of + V is applied to Y4) to cause a sustain discharge together with the common voltage of the common electrode X.

즉 이와같은 AC PDP에서는 한 프레임의 화면의 스캔중 -V의 구동전압과 +V의 유지전압이 한 스캔전극(Y1Y4)내에 교대로 인가되므로 그 구동회로의 구성이 복잡해질뿐 아니라 구동이 어렵게 된다. 또한 구동회로의 설계제작에 있어서도 이와같이전압을 임의의 타이밍으로 교호적으로 출력할 수 있는 구동 IC나 전원 IC가 없으므로 부득이 커스텀 IC를 주문 제작하거나, IC화되지 않은 대형의 회로를 그대로 사용할 수 밖에 없어 생산원가나 구동회로의 크기들에도 난점이 많았다.In other words, in the AC PDP, -V driving voltage and + V holding voltage are equal to one scan electrode Since it is alternately applied within Y4), not only the configuration of the driving circuit is complicated, but also the driving is difficult. Also in the design and manufacture of the drive circuit Since there is no driver IC or power supply IC that can alternately output voltage at arbitrary timing, it is inevitable to order custom ICs or use large circuits that are not ICized. There were many difficulties.

이러한 종래의 문제점을 감안하여 본 발명의 목적은 구동이 단순하고 구동회로가 간단할 뿐아니라 일반 목적의 부품을 그대로 사용하여 구동할 수 있는 PDP를 제공하는 것이다.In view of such a conventional problem, an object of the present invention is to provide a PDP that can be driven by using a general purpose component as well as a simple driving and a simple driving circuit.

상술한 목적의 달성을 위해 본 발명에 의한 PDP는 표시방전을 위한 스캔전극과 어드레스전극이 각 화소에서 교차 대향되도록 배열된 PDP에 있어서, 각각의 공통전압이 공급되어 유지방전을 일으키는 한쌍의 커먼전극이 각 화소에 대해 배열된 것을 특징으로 한다.In order to achieve the above object, a PDP according to the present invention is a PDP in which a scan electrode and an address electrode for display discharge are arranged so as to cross each other in each pixel, and a pair of common electrodes supplied with a common voltage to generate sustain discharge. Characterized in that arranged for each pixel.

이와같은 구성에 의하면 화상데이타를 표시하는 표시방전은 스캔전극과 어드레스전극 사이에서 이루어지고, 표시된 화상데이타를 유지하는 유지방전은 한쌍의 커먼전극들 사이에서 이루어지므로 구동 및 그 회로의 구성이 아주 단순해지게 된다.According to this configuration, the display discharge for displaying the image data is made between the scan electrode and the address electrode, and the sustain discharge for holding the displayed image data is made between the pair of common electrodes. Will be lost.

이하 첨부된 도면을 참조하여 본 발명의 한 바람직한 실시예를 상세히 설명한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

제3도에서, 격벽(B)으로 구획된 각 화소(P)에는 스캔전극(Y1Y3)과 어드레스전극(Z1Z2)이 각각 교차하도록 대향 배치된다. 본 발명의 특징에 따라 커먼전극(X, Y)은 하나가 아니라 한쌍이 대향배치되어 각각 소정의 공통전압이 인가된다.In FIG. 3, each pixel P partitioned by the partition B has a scan electrode Y1. Y3) and address electrode Z1 Z2) are disposed to face each other. According to a feature of the present invention, a pair of the common electrodes X and Y is disposed opposite to each other, and a predetermined common voltage is applied thereto.

도면에서 한쌍의 커먼전극(X, Y)이 모두 스캔전극(Y1Y3)과 동일한 방향으로 배치, 즉 동일한 기판상에 배치되는 것으로 도시되었으나, 필요에 따라 한쌍의 커먼전극(X, Y)은 각각 양기판에 서로 교차대향하도록 배치될 수도 있다. 이 경우 커먼전극(X, Y)은 어드레스전극(Z1Z2) 측의 기판에 이에 평행하게 배열될 수도 있다.In the drawing, the pair of common electrodes X and Y are all scan electrodes Y1. Although illustrated as being disposed in the same direction as Y3), that is, disposed on the same substrate, if necessary, a pair of common electrodes X and Y may be disposed to cross each other on both substrates. In this case, the common electrodes X and Y are address electrodes Z1. It may be arranged in parallel to the substrate on the Z2) side.

이와같이 구성된 본 발명 PDP는 제4도와 같이 구동되는 바, 스캔전극(Y1Y3)은 화면을 스캔하는 역할만을 하고 유지에는 전혀 관여하지 않게 되고, 유지방전은 한쌍의 커먼전극(X, Y)간에서만 이루어진다. 즉 커먼전극(X, Y)이 상부로부터 순차적으로 스캔되어 지나가면, 지나간 전극라인중 어드레스전극(Z1Z2)에 의해 선택된 화소의 두 커먼전극(X, Y)간에 유지방전이 일어나 방전이 유지되는 것이다.The PDP of the present invention configured as described above is driven as shown in FIG. Y3) serves only to scan the screen and is not involved in maintenance at all, and sustain discharge is performed only between a pair of common electrodes (X, Y). That is, when the common electrodes X and Y are sequentially scanned from the top, the address electrodes Z1 among the electrode lines that pass through The sustain discharge occurs between the two common electrodes X and Y of the pixel selected by Z2) to maintain the discharge.

이에 따라 스캔전극(Y1Y3)과 각 커먼전극(X, Y)은를 교호할 필요없이 동일한 극성의 전압만이 인가된다. 그러므로 그 구동회로의 구성이 매우 단순해질 뿐아니라 그 부품도 커스텀 IC가 아닌 시판중인 상용 IC로 구득할 수 있어서 구동회로의 부품조달이 용이해지고 생산원가도 현저히 절감될 수 있다.Accordingly, the scan electrode Y1 Y3) and each common electrode (X, Y) Only voltages of the same polarity are applied without needing to alternate. Therefore, not only the configuration of the driving circuit is very simple, but also its components can be obtained from commercially available ICs, not custom ICs, so that the supplying of the driving circuits can be facilitated and production costs can be significantly reduced.

그러므로 본 발명은 AC PDP의 실용화에 큰 효과가 있다.Therefore, the present invention has a great effect on the practical use of AC PDP.

Claims (1)

표시방전을 위한 스캔전극과 어드레스전극이 각 화소에서 교차대향하도록 두 기판에 각각 배열된 플라즈마 표시소자에 있어서, 상기 양 기판의 각 화소에 대해 상기 스캔전극과 어드레스전극에 각각 평행한 커먼전극이 각각 배열되어, 상기 양 기판의 커먼전극에 각각의 공통전압이 공급됨으로써 상기 양 기판의 커먼전극간에 유지방전이 일어나는 것을 특징으로 하는 플라즈마 표시소자.In a plasma display device each arranged on two substrates such that a scan electrode and an address electrode for display discharge are opposed to each other at each pixel, a common electrode parallel to the scan electrode and the address electrode respectively is provided for each pixel of the substrate. And a sustain discharge is generated between the common electrodes of both substrates by supplying common voltages to the common electrodes of both substrates.
KR1019950014050A 1995-05-31 1995-05-31 Plasma display device KR100228779B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990031630A (en) * 1997-10-13 1999-05-06 전주범 4-electrode PD drive

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR940010159A (en) * 1992-10-16 1994-05-24 박경팔 Driving Method of Plasma Display Panel

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR940010159A (en) * 1992-10-16 1994-05-24 박경팔 Driving Method of Plasma Display Panel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990031630A (en) * 1997-10-13 1999-05-06 전주범 4-electrode PD drive

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