KR100526697B1 - Partition Wall of Plasma Display Device and Formation Method - Google Patents

Partition Wall of Plasma Display Device and Formation Method Download PDF

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Publication number
KR100526697B1
KR100526697B1 KR1019970065774A KR19970065774A KR100526697B1 KR 100526697 B1 KR100526697 B1 KR 100526697B1 KR 1019970065774 A KR1019970065774 A KR 1019970065774A KR 19970065774 A KR19970065774 A KR 19970065774A KR 100526697 B1 KR100526697 B1 KR 100526697B1
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partition wall
plasma display
display device
insulating layer
core
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KR1019970065774A
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Korean (ko)
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KR19990043954A (en
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최인룡
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오리온전기 주식회사
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J11/00Gas-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
    • H01J11/20Constructional details
    • H01J11/34Vessels, containers or parts thereof, e.g. substrates
    • H01J11/36Spacers, barriers, ribs, partitions or the like
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/24Manufacture or joining of vessels, leading-in conductors or bases
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2211/00Plasma display panels with alternate current induction of the discharge, e.g. AC-PDPs
    • H01J2211/20Constructional details
    • H01J2211/34Vessels, containers or parts thereof, e.g. substrates
    • H01J2211/36Spacers, barriers, ribs, partitions or the like
    • H01J2211/361Spacers, barriers, ribs, partitions or the like characterized by the shape
    • H01J2211/363Cross section of the spacers

Abstract

본 발명은 신규한 구성의 PDP 격벽과 그 형성방법을 개시한다.The present invention discloses a PDP partition wall having a novel configuration and a method of forming the same.

본 발명에서는 열분해성 코어상에 절연층을 피복하여 소성함으로써 미세한 구멍이 형성되고, 그 미세한 구멍을 통해 방전기체가 내부에 충전되는 중공의 캐비티를 가지는 격벽이 형성된다. 이는 제조가 극히 용이하면서 예비기체의 충전으로 PDP 장수명을 보장하게 된다.In the present invention, a fine hole is formed by coating and firing an insulating layer on the thermally decomposable core, and a partition wall having a hollow cavity in which a discharge gas is filled through the fine hole is formed. This is extremely easy to manufacture and guarantees a long life of the PDP by filling the spare gas.

Description

플라즈마 표시소자의 격벽 및 그 형성방법Partition Wall of Plasma Display Device and Formation Method

본 발명은 플라즈마 표시소자(PDP; Plasma Display Panel)에 관한 것으로, 더 상세히는 그 격벽과 이를 형성하기에 적합한 방법에 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 a partition and a method suitable for forming the same.

기체방전현상을 화상표시에 이용하는 PDP는 도 1에 도시된 바와 같이 그 사이에 방전기체가 충전 밀봉된 두 기판(P1, P2)에 전극(E1, E2)를 교차대향 배열하고, 격벽(B)으로 구획하여 구성된다.As shown in Fig. 1, the PDP using the gas discharge phenomenon is arranged to cross the electrodes E1 and E2 on two substrates P1 and P2 filled and sealed with a discharge gas therebetween, and as a partition B. It is partitioned.

여기서 상당한 높이를 가지는 격벽(B)은 일반적으로 도 2에 도시된 바와 같이 인쇄층(L)의 적층으로 구성된 바와 같이 인쇄층(L)의 적층으로 구성되나, PDP의 고해상도화에 따른 피치(pitch)의 미세화에 따라 방전갭을 결정하는 격벽(B)의 소요높이에는 변화가 없이 허용폭이 점차 좁아지므로, 수요 적층횟수가 더욱 증가하여 격벽(B) 형성시 PDP 고해상도화의 한계를 설정하고 있는 실정이다.Here, the partition wall B having a considerable height is generally composed of a stack of printed layers L, as shown in FIG. 2, but a pitch due to high resolution of the PDP. As the required height of the bulkhead (B), which determines the discharge gap, decreases gradually as the size becomes smaller, the allowable width is gradually narrowed. It is true.

이에 따라 샌드블래스팅(sandblasting)법이나 사진식각법등 여러 가지 격벽형성방법에 제안된 바 있으나 각 방법은 모두 자체적인 문제가 있어 적용이 곤란한 실정이다.Accordingly, various barrier rib forming methods such as sandblasting or photolithography have been proposed, but each method has its own problems and is difficult to apply.

한편 PDP 패널 내부에 충전되는 방전기체는 사용에 따라 기능층등에서 불순물이 배출되어 오염되는데, 방전기체의 양이 많을수록 오염이 희석되므로 장수명이 보장된다.On the other hand, the discharge gas charged inside the PDP panel is contaminated by the discharge of impurities from the functional layer, etc., depending on the use, the longer the amount of discharge gas is diluted, the longer the life is guaranteed.

이에 따라 종래에는 배기관의 잔류부위나 기판에 형성된 웰(well)등에 여분의 방전기체를 충전하였으나 그 양이 충분하지 못한 실정이다.Accordingly, in the related art, an extra discharge gas is charged into a residual part of an exhaust pipe or a well formed in a substrate, but the amount thereof is not sufficient.

이에 따라 본 발명은 용이하게 형성될 수 있으며 예비기체의 수납이 가능한 격벽과 그 형성방법을 제공하는 것을 목적으로 한다.Accordingly, an object of the present invention is to provide a partition wall and a method for forming the partition wall which can be easily formed and accommodate the preliminary gas.

상술한 목적을 달성하는 본 발명 격벽은 내부에 중공(中空)의 캐비티(cavity)가 형성되어 이에 여분의 방전기체가 수납되는 것을 특징으로 한다.The partition wall of the present invention to achieve the above object is characterized in that the hollow cavity (cavity) is formed therein to accommodate the extra discharge gas.

이러한 격벽을 형성하는 본 발명 방법은 열분해성 감광층의 사진식각으로 격벽의 코어(core)를 형성한 뒤, 이 코어상에 소성(燒成) 가능한 절연층을 적층하고, 이를 소성함으로써 절연층을 소성함과 동시에 코어를 열분해시켜 캐비티를 형성하는 것을 특징으로 한다.The method of the present invention for forming such a partition wall forms a core of the partition wall by photolithography of the thermally decomposable photosensitive layer, and then laminates a calcinable insulating layer on the core and calcinates the insulating layer. At the same time as firing, the core is pyrolyzed to form a cavity.

그러면 간단한 공정으로 격벽의 형성이 가능할 뿐 아니라 다량의 예비기체가 수납되어 PDP의 오염을 희석함으로써 장수명을 보장하게 된다.Then, the bulkhead can be formed by a simple process, and a large amount of preliminary gas is stored to ensure long life by diluting the contamination of the PDP.

[실시예]EXAMPLE

이와 같은 본 발명의 구체적 특징과 이점들은 첨부된 도면을 참조한 이하의 바람직한 실시예들의 설명으로 더욱 명확해질 것이다.Such specific features and advantages of the present invention will become more apparent from the following description of the preferred embodiments with reference to the accompanying drawings.

도 3a에서, 기판, 일반적으로 배면기판(P2)상에는 열분해성 감광층(10)을 전면도포한다.In FIG. 3A, a thermally decomposable photosensitive layer 10 is applied over the substrate, generally the rear substrate P2.

다음 도 3b에서 마스크(M)를 통해 이 감광층(10)을 선택적으로 노광 및 현상함으로써 도 3c와 같이 격벽(1)의 코어(20)를 형성한다. 이 코어(20)는 격벽(1)의 외피를 형성할 절연층(3)을 지지할 뿐 아니라 차후 분해되어 격벽(1) 내부의 캐비티(2)를 형성하게 될 것이다.Next, the core 20 of the partition wall 1 is formed by selectively exposing and developing the photosensitive layer 10 through the mask M in FIG. 3B. This core 20 will not only support the insulating layer 3 which will form the outer shell of the partition wall 1 but will also be decomposed later to form the cavity 2 inside the partition wall 1.

그러면 도 3d에서, 이 코어(20)상에 소성 가능한 절연층(3)을 도포하고, 도 3e에서 고온분위기에 투입하여 가열하면 절연층(3)이 소성되는 동시에 열분해성 감광층(10)으로 구성된 코어(20)는 열분해, 즉 연소되어 가스로 배출된다.Then, in FIG. 3D, a calcinable insulating layer 3 is applied on the core 20, and when the insulating layer 3 is heated in a high temperature atmosphere in FIG. 3E, the insulating layer 3 is calcined and thermally decomposed into the photosensitive layer 10. The constructed core 20 is pyrolyzed, ie burned and discharged as a gas.

그 결과 도 4와 같이, 격벽(1)의 내부에 중공의 캐비티(2)가 형성된다. 이때 격벽(1)의 절연층(3)에는 코어(20)의 열분해시 연소가스의 배출을 위해 미세한 구멍이 형성되어 있는 바, 이러한 PDP 패널을 배기 및 충전하면 방전기체는 방전공간뿐 아니라 격벽(1) 내부의 캐비티(2)에도 충전되고, 캐비티(2)내의 방전기체는 방전공간의 오염시 그 오염을 완화시키는 예비기체가 된다.As a result, as shown in FIG. 4, the hollow cavity 2 is formed inside the partition wall 1. In this case, a minute hole is formed in the insulating layer 3 of the partition 1 to discharge combustion gas when the core 20 is pyrolyzed. When the PDP panel is exhausted and charged, the discharge gas is not only a discharge space but also a partition ( 1) It is also filled in the cavity 2 inside, and the discharge gas in the cavity 2 becomes a preliminary gas which alleviates the contamination when the discharge space is polluted.

그런데 절연층(3)의 도포시 전극(E2)을 마스킹(masking)하지 않으면 전극(E2)상에도 절연층(3)이 적층되어 유전층 역할을 하게 된다.However, if the electrode E2 is not masked when the insulating layer 3 is applied, the insulating layer 3 is stacked on the electrode E2 to serve as a dielectric layer.

이에 따라 본 발명 PDP는 도 5와 같이 유전층(D)을 가지는 교류(AC)형 PDP에 특히 유효하게 적용될 수 있다.Accordingly, the present invention PDP can be particularly effectively applied to an alternating current (AC) type PDP having a dielectric layer (D) as shown in FIG.

이상과 같이 본 발명에 의하면 격벽 제조가 극히 용이할 뿐 아니라 그 내부에 방전기체를 예비적으로 충전할 수 있게 되어, 본 발명은 고품질 장수명을 보장하는 PDP를 낮은 제조원가와 높은 생산성으로 제공한다.As described above, according to the present invention, it is not only easy to manufacture the partition wall but also to preliminarily charge the discharge gas therein, and the present invention provides a PDP with high manufacturing life and high productivity, which ensures high quality and long life.

도 1은 일반적인 PDP의 구성을 보이는 단면도이다.1 is a cross-sectional view showing the configuration of a general PDP.

도 2는 종래의 격벽형성방법을 보이는 단면도이다.2 is a cross-sectional view showing a conventional barrier rib forming method.

도 3a 내지 3e는 본 발명에 의한 격벽형성방법을 보이는 순차적 단면도들,3a to 3e are sequential cross-sectional views showing a partition wall formation method according to the present invention,

도 4는 도 3의 과정에 의해 완성된 PDP의 단면도이다.4 is a cross-sectional view of the PDP completed by the process of FIG.

도 5는 본 발명의 다른 실시예를 보이는 단면도이다.5 is a cross-sectional view showing another embodiment of the present invention.

<도면의 주요부분에 대한 부호의 설명><Description of the code | symbol about the principal part of drawing>

P1, P2: (전면 및 배면)기판 D: 유전층P1, P2: (front and back) Substrate D: Dielectric layer

1: (본 발명) 격벽 2: 캐비티 (cavity)1: (Invention) Bulkhead 2: Cavity

3: 절연층3: insulation layer

Claims (3)

플라즈마 표시소자의 격벽에 있어서,In the partition of the plasma display element, 미세한 구멍이 형성되고, 그 미세한 구멍을 통해 방전기체가 내부에 충전되는 중공의 캐비티가 형성된 것을 특징으로 하는 플라즈마 표시소자의 격벽.A partition of the plasma display device, wherein a fine hole is formed, and a hollow cavity in which a discharge gas is filled through the minute hole is formed. 플라즈마 표시소자의 격벽형성방법에 있어서,In the partition wall forming method of the plasma display device, 열분해성 감광층을 사진시각하여 격벽의 코어를 형성하고,Photo-viewing the thermally decomposable photosensitive layer to form the core of the partition wall, 이 코어상에 소성가능한 절연층을 적층한 뒤,After laminating a calcinable insulating layer on this core, 이 절연층을 소성하는 동시에 코어를 열분해시켜,By firing this insulating layer and thermally decomposing the core, 격벽 형성후, 방전기체가 충전될 중공의 캐비티를 내부에 가지는 격벽을 형성하는 것을 특징으로 하는 플라즈마 표시소자의 격벽형성방법.A partition wall forming method of a plasma display device, characterized in that after the partition wall is formed, a partition wall having a hollow cavity in which the discharge gas is to be filled is formed. 제2항에 있어서, 상기 플라즈마 표시소자가 교류형 플라즈마 표시소자이며, 상기 격벽의 절연층의 적층시 전극을 마스킹하지 않은 채, 전극상에도 절연층이 적층되어 유전층 역할을 하게 되는 것을 특징으로 하는 플라즈마 표시소자의 격벽형성방법.3. The plasma display device of claim 2, wherein the plasma display device is an alternating current plasma display device, and an insulating layer is stacked on the electrodes to act as a dielectric layer without masking the electrodes when the insulating layers of the barrier ribs are stacked. A partition wall forming method of a plasma display device.
KR1019970065774A 1997-11-30 1997-11-30 Partition Wall of Plasma Display Device and Formation Method KR100526697B1 (en)

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KR100526697B1 true KR100526697B1 (en) 2005-12-21

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