KR100244148B1 - Electrode of plasma display device - Google Patents
Electrode of plasma display device Download PDFInfo
- Publication number
- KR100244148B1 KR100244148B1 KR1019960042801A KR19960042801A KR100244148B1 KR 100244148 B1 KR100244148 B1 KR 100244148B1 KR 1019960042801 A KR1019960042801 A KR 1019960042801A KR 19960042801 A KR19960042801 A KR 19960042801A KR 100244148 B1 KR100244148 B1 KR 100244148B1
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- electrode
- plasma display
- metal electrode
- transparent electrode
- metal
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J11/00—Gas-filled discharge tubes with alternating current induction of the discharge, e.g. alternating current plasma display panels [AC-PDP]; Gas-filled discharge tubes without any main electrode inside the vessel; Gas-filled discharge tubes with at least one main electrode outside the vessel
- H01J11/20—Constructional details
- H01J11/22—Electrodes, e.g. special shape, material or configuration
- H01J11/32—Disposition of the electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J11/00—Gas-filled discharge tubes with alternating current induction of the discharge, e.g. alternating current plasma display panels [AC-PDP]; Gas-filled discharge tubes without any main electrode inside the vessel; Gas-filled discharge tubes with at least one main electrode outside the vessel
- H01J11/20—Constructional details
- H01J11/34—Vessels, containers or parts thereof, e.g. substrates
- H01J11/38—Dielectric or insulating layers
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Gas-Filled Discharge Tubes (AREA)
Abstract
본 발명은 PDP의 개선된 전면전극을 개시한다.The present invention discloses an improved front electrode of a PDP.
투명전극의 도전성 저하를 방지하기 위해 금속전극상에 투명전극을 형성하면 박리등의 문제가 야기되는 바, 본 발명에서는 금속전극을 매립상태로 구성하여 평탄면을 형성하고 이 평탄면상에 투명전극을 형성하도록 하여 틈새없이 밀착되도록 하였다.If a transparent electrode is formed on a metal electrode in order to prevent the conductivity of the transparent electrode from being lowered, there arises a problem such as peeling. In the present invention, the metal electrode is formed in a buried state to form a flat surface, So as to be closely adhered without any gap.
Description
제1도는 PDP의 일반적 구성을 보이는 단면도.FIG. 1 is a cross-sectional view showing a general structure of a PDP. FIG.
제2도는 본원인의 선출원 전면전극의 구성을 보이는 부분확대단면도.FIG. 2 is a partially enlarged cross-sectional view showing the configuration of the front electrode of the prior art of the present invention.
제3도 및 제4도는 각각 본 발명 전면전극의 제조과정을 보이는 순차적 단면도들이다.FIGS. 3 and 4 are sequential sectional views showing the manufacturing process of the front electrode of the present invention, respectively.
* 도면의 주요부분에 대한 부호의 설명DESCRIPTION OF THE REFERENCE NUMERALS
P1, P2 : 기판 E1, E2 : 전극P1, P2: substrates E1, E2: electrodes
M : 금속전극 T : 투명전극M: metal electrode T: transparent electrode
R : 인입홈R: Inlet groove
본 발명은 플라즈마 표시소자(PDP; Plasma Display Panel)에 관한 것으로, 특히 그 전면(前面)전극에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a plasma display panel (PDP), and more particularly to a front surface electrode thereof.
PDP는 제1도에 도시된 바와 같이, 두 기판(P1, P2)에 서로 교차 대향하는 전극(E1, E2)을 배열하고 격벽(B)으로 구획한 방전공간에 방전기체를 주입하여 구성된다.The PDP is constituted by arranging electrodes E1 and E2 crossing each other on two substrates P1 and P2 and injecting a discharge gas into a discharge space partitioned by barrier ribs B as shown in FIG.
방전공간에서 발생된 빛은 전면기판(P1)을 통해 사용자에게 관찰되는 바, 이때 전면전극(E1)이 그 시야에 위치하게 되므로, 그 면적과 위치등에 많은 주의를 기울여야 한다.Light generated in the discharge space is observed by the user through the front substrate P1. At this time, since the front electrode E1 is positioned in the field of view, much attention must be paid to its area and position.
최근에는 전면전극(E1)을 ITO등의 투명전극으로 형성하는데, 이때 ITO의 낮은 도전성을 보완하기 위해 금속전극(M)을 버스(bus)전극으로 사용하여, 결국 전면전극(M)을 적층한 구성을 가지게 된다.Recently, the front electrode E1 is formed as a transparent electrode such as ITO. In order to compensate the low conductivity of ITO, the metal electrode M is used as a bus electrode, and the front electrode M is stacked .
그런데 투명전극(T)상에 금속전극(M)을 형성하면 열에 취약한 투명전극(T)이 2회의 소성(燒成)과정을 겪게 되어 도전성이 더욱 저하될 뿐아니라 금속전극(M) 인쇄에 사용된 유기용제등의 불순물이 투명전극(T)에 침투되는등의 문제를 야기하게 된다.If the metal electrode M is formed on the transparent electrode T, the transparent electrode T, which is vulnerable to heat, undergoes two firing processes to further lower the conductivity and is used for printing the metal electrode M. Impurities such as an organic solvent penetrated into the transparent electrode T or the like.
이에 따라 본원인은 제2도에 도시된 바와 같이 금속전극(M)상에 투명전극(T)을 형성하여 투명전극(T)이 1회의 소성만을 거치게하는 구성을 제안한 바 있다.As a result, as shown in FIG. 2, a transparent electrode T is formed on the metal electrode M so that the transparent electrode T undergoes only one firing.
그런데 이러한 구성의 실용화 시험에 있어서 ITO등 투명전극(T)을 도전성 뿐아니라 부착성도 불량하여 두께를 가지는 금속전극(M)상에 형성하면 단차(段差)가 지는 부위에 틈새가 발생되어 투명전극(T)이 박리되거나 그 틈새에 유기용제등 이물질이 포집되는 문제가 있었다.However, when a transparent electrode T made of ITO or the like is formed on the metal electrode M having a poor adhesiveness as well as conductivity in a practical use test of such a configuration, a gap is generated in a portion where a step difference occurs, T is peeled off or foreign substances such as organic solvents are trapped in the gap.
이와 같은 종래의 문제점을 감안하여 본 발명의 목적은 투명전극이 금속전극에 대해 틈새없이 밀착될 수 있는 전면전극 구조를 제공하는 것이다.It is an object of the present invention to provide a front electrode structure in which a transparent electrode can be closely contacted with a metal electrode without gaps.
상술한 목적의 달성을 위해 본 발명에 의한 전면전극은 금속전극을 매립(埋立) 상태로 형성하여 그 상면을 평탄면으로 형성하고 이 평탄면상에 투명전극을 형성하는 것을 특징으로 한다.In order to achieve the above-mentioned object, the front electrode according to the present invention is characterized in that a metal electrode is formed in a buried state, the upper surface is formed as a flat surface, and the transparent electrode is formed on the flat surface.
이와 같은 구성에 의하면 투명전극이 틈새없이 평탄면에 밀착되므로 투명전극의 박리나 이물질의 포집이 방지된다.According to this structure, since the transparent electrode is in close contact with the flat surface without gaps, peeling of the transparent electrode and trapping of foreign matter are prevented.
이하 첨부된 도면을 참조하여 본 발명의 바람직한 실시예를 상세히 설명한다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
먼저 제3도의 구성은 절연층에 의해 평탄면을 형성하는 방법이다. 기판(P1)상에 3a도와 같이 금속전극(M)을 형성하고 나면, 이 금속전극(M)사이에 3b도와 같이 절연층(I)을 형성하여 금속전극(M)을 매립한다.The structure of FIG. 3 is a method of forming a flat surface by an insulating layer. After the metal electrode M is formed on the substrate P1 as shown in FIG. 3A, the insulating layer I is formed between the metal electrodes M to form the insulating layer I to fill the metal electrode M.
그러면 금속전극(M)과 절연층(I)의 상면은 단차없이 평탄한 평탄면(F)을 형성하게 되고, 3c도와 같이 이 평탄면(F)의 금속전극(M) 상에 투명전극(T)을 형성하면 투명전극(T)은 금속전극(M)과 틈새없이 밀착되어 전면전극(E1)을 형성하게 된다.The upper surface of the metal electrode M and the insulating layer I form a flat flat surface F without a step and a transparent electrode T is formed on the metal electrode M of the flat surface F as shown in FIG. The transparent electrode T is closely contacted with the metal electrode M without a gap to form the front electrode E1.
한편 제4도의 구성은 인입홈을 사용해 금속전극(M)을 매립하는 방법인 바, 전면측의 기판(P1)에는 3a도와 같이 금속전극(M)의 형성위치에 인입홈(R)이 형성된다. 인입홈(R)은 샌드블래스팅(sand blasting)이나 레이저 절삭등의 방법으로 형성될 수 있다.On the other hand, FIG. 4 shows a method of embedding the metal electrode M using the lead-in groove, and the lead-in groove R is formed on the substrate P1 on the front side at the position where the metal electrode M is formed . The lead-in groove R may be formed by a method such as sand blasting or laser cutting.
다음 3b도와 같이 이 인입홈(R)에 금속전극(M)을 형성하면 금속전극(M)은 기판(P1)에 매립된 상태가 되고 그 상면이 평탄면(F)이 된다.When the metal electrode M is formed in the lead-in groove R as shown in the following 3b, the metal electrode M is embedded in the substrate P1, and the upper surface of the metal electrode M becomes a flat surface F.
그러면 3c도와 같이 금속전극(M)상에 투명전극(T)을 형성하여 전면전극(E1)이 구성된다.Then, a transparent electrode T is formed on the metal electrode M to form the front electrode E1 as shown in 3c.
이상과 같이 본 발명에 의하면 투명전극(T)이 금속전극(M)상에 형성되더라도 틈새없이 밀착되므로 투명전극(T)의 박리나 불순물 포집없이 도전 특성의 유지가 가능하게 된다.As described above, according to the present invention, even if the transparent electrode T is formed on the metal electrode M, since the transparent electrode T is closely contacted without gaps, it is possible to maintain the conductive property without peeling off the transparent electrode T or capturing impurities.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019960042801A KR100244148B1 (en) | 1996-09-30 | 1996-09-30 | Electrode of plasma display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019960042801A KR100244148B1 (en) | 1996-09-30 | 1996-09-30 | Electrode of plasma display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR19980023337A KR19980023337A (en) | 1998-07-06 |
| KR100244148B1 true KR100244148B1 (en) | 2000-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019960042801A KR100244148B1 (en) | 1996-09-30 | 1996-09-30 | Electrode of plasma display device |
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| KR (1) | KR100244148B1 (en) |
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1996
- 1996-09-30 KR KR1019960042801A patent/KR100244148B1/en not_active IP Right Cessation
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| KR19980023337A (en) | 1998-07-06 |
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