KR20020033006A - Compositions of transparent dielectric glass for plasma display panel - Google Patents

Compositions of transparent dielectric glass for plasma display panel Download PDF

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Publication number
KR20020033006A
KR20020033006A KR1020000075005A KR20000075005A KR20020033006A KR 20020033006 A KR20020033006 A KR 20020033006A KR 1020000075005 A KR1020000075005 A KR 1020000075005A KR 20000075005 A KR20000075005 A KR 20000075005A KR 20020033006 A KR20020033006 A KR 20020033006A
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plasma display
composition
transparent dielectric
pbo
dielectric glass
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KR1020000075005A
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Korean (ko)
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허증수
김형순
이재열
김덕남
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허증수
김형순
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Priority to KR1020000075005A priority Critical patent/KR20020033006A/en
Publication of KR20020033006A publication Critical patent/KR20020033006A/en

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    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
    • C03C17/36—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
    • C03C17/3602—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer
    • C03C17/3668—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer the multilayer coating having electrical properties
    • C03C17/3671—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer the multilayer coating having electrical properties specially adapted for use as electrodes
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/12—Silica-free oxide glass compositions
    • C03C3/14—Silica-free oxide glass compositions containing boron
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
    • C03C17/36—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/38—Cold-cathode tubes
    • H01J17/48—Cold-cathode tubes with more than one cathode or anode, e.g. sequence-discharge tube, counting tube, dekatron
    • H01J17/49—Display panels, e.g. with crossed electrodes, e.g. making use of direct current

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Glass Compositions (AREA)

Abstract

PURPOSE: A transparent dielectric glass composition for plasma display panels(PDP) is provided, which is characterized by excluding PbO unlike a conventional PDP composition. Therefore, the composition prevents environmental pollution, decreases weight of products and enables low temperature sintering. CONSTITUTION: The Pb-free transparent dielectric composition for plasma display panels(PDP) comprises 20-35mol% of BaO, 35-60mol% of B2O3 and 10-35mol% of ZnO, which has no heavy metals such as PbO, Bi2O3, CdO, etc. The plasma display panels consist of a substrate(1) forming a transparent electrode(4) and a bus electrode(6), a dielectric layer(2) screen-printed on the substrate, and a protective layer(3).

Description

플라즈마 디스플레이 패널용 투명 유전체 유리 조성물{Compositions of transparent dielectric glass for plasma display panel}Composition of transparent dielectric glass for plasma display panel

본 발명은 플라즈마 디스플레이 패널(PDP)용 투명 유전체 유리 조성물에 관한 것으로서, 더욱 상세히는 종래의 유전체가 갖는 특성은 유지 또는 배가시키면서도 제품 폐기시 환경에 대한 친화력을 갖도록 함과 동시에 제품의 무게를 경감되게 함과 더불어 저온 소성 가능한 무연의 투명 유전체 유리 조성물에 관한 것이다.The present invention relates to a transparent dielectric glass composition for a plasma display panel (PDP), and more particularly, to reduce the weight of the product while maintaining or doubling the characteristics of the conventional dielectric while having an affinity for the environment during product disposal. In addition, the present invention relates to a lead-free transparent dielectric glass composition capable of low temperature firing.

유전체층(2)은 PbO, B2O3, SiO2을 주성분으로 플라즈마 디스플레이에서 플라즈마 방전 시의 이온충격으로부터 전극을 보호하고 방전유지 및 발광효율의 향상, 확산 방지막 등의 역할을 하는 중요한 부분이며 투명전극(ITO, 4), Bus 전극(Ag,6)이 형성된 기판(PD200, 1) 위에 스크린 프린팅법으로 형성된다. 이때 상기 투명유전체(2)가 갖추어야 특성으로 낮은 소성 온도, 높은 광 투과율, 기판(1)과 비슷한 선팽창계수, 적당한 유전상수 등이 있다.Dielectric layer (2) is composed of PbO, B 2 O 3 , SiO 2 as the main component to protect the electrode from the ion shock during plasma discharge in plasma display, an important part that plays a role of maintaining the discharge, improving the luminous efficiency, diffusion prevention film, etc. It is formed on the substrate PD200, on which the electrodes ITO 4 and the bus electrodes Ag, 6 are formed by screen printing. At this time, the transparent dielectric material 2 must have low firing temperature, high light transmittance, a linear expansion coefficient similar to that of the substrate 1, and an appropriate dielectric constant.

도면중 미설명 부호 3은 보호층임.Reference numeral 3 in the drawings is a protective layer.

현재 위 특성을 만족시키며 사용되는 기존의 유전체(2) 조성물은 인체에 해로운 PbO 성분이 다량 함유되어 있기 때문에 제품 폐기시 폐수중의 산 또는 알칼리 용액과 화학 반응을 일으키게 되면 토양 및 수질오염에 의한 환경 공해를 유발시키는 문제점이 있다. 또한, PbO 성분의 함유에 따른 플라즈마 디스플레이 제품의 무게 증가를 초래하는 문제점이 있다.Existing dielectric (2) composition used to satisfy the above characteristics currently contains a large amount of PbO harmful to the human body, so if a chemical reaction with an acid or alkaline solution in the waste water when the product is disposed, the environment caused by soil and water pollution There is a problem that causes pollution. In addition, there is a problem that increases the weight of the plasma display product due to the inclusion of the PbO component.

이에 본 발명에서는 PbO성분의 사용시 발생하는 환경오염 문제와 소자의 무게증대 및 다른 부분(전극)과의 반응성 등의 문제점을 일소하기 위하여 창안한 것으로서, 플라즈마 디스플레이에 적용시 기판과의 선팽창계수가 비슷하여 열충격에 의한 박리 및 파괴를 방지하며 플라즈마 방전시 낮은 방전 개시 전압 및 방전유지 하는 전기적 특성을 지닐 수 있고, 또 다른 소자와의 반응성이 작은 화학적 특성 그리고 막을 형성후 광투과율이 우수한 특성을 지닐 수 있도록 함은 물론 특히 토양 및 수질오염에 의한 환경오염 및 자연 생태계 파괴 등과 제품의 무게를 가중시키는 문제점을 갖는 중금속(PbO, Bi2O3, CdO 등)을 함유시키지 않도록 하는 것에 주안점을 두고 그기술적 과제로서 완성한 것이다.Therefore, the present invention was devised to solve the problems of environmental pollution, the weight increase of the device and the reactivity with other parts (electrodes), etc., when the PbO component is used, and the coefficient of linear expansion with the substrate when applied to the plasma display is similar. It can prevent delamination and destruction by thermal shock, have low discharge start voltage and electrical characteristics to maintain discharge, and have low chemical reactivity with other devices and excellent light transmittance after film formation. In addition, it focuses on avoiding heavy metals (PbO, Bi 2 O 3 , CdO, etc.), which have a problem of increasing the weight of the product, such as environmental pollution and destruction of natural ecosystems caused by soil and water pollution. It was completed as a task.

도 1은 플라즈마 디스플레이의 상부기판 단면도.1 is a cross-sectional view of an upper substrate of a plasma display.

□도면의 주요부분에 대한 부호의 설명 □□ Explanation of symbols for main parts of drawing □

1 : 상부기판 2 : 유전층1: upper substrate 2: dielectric layer

3 : 보호층 4 : 투명전극3: protective layer 4: transparent electrode

5 : Black stripe 6 : Bus 전극5: Black stripe 6: Bus electrode

도 1은 플라즈마 디스플레이의 상부기판 단면도로서 이를 통하여 본 발명의 플라즈마 디스플레이 패널용 투명 유전체 유리 조성물에 대한 구성 및 작용을 상세히 설명하면 하기와 같다.1 is a cross-sectional view of an upper substrate of a plasma display, and the construction and operation of the transparent dielectric glass composition for a plasma display panel of the present invention will be described in detail as follows.

본 발명에서는 플라즈마 디스플레이용 투명 유전체(2) 유리 제조시 그 조성물로서 BaO 20∼35mol%, B2O335∼60mol%, ZnO 10∼35mol%로 하는 Pb-free 조성물을 특징으로 하는 것이다.In the present invention, a Pb-free composition comprising 20 to 35 mol% of BaO, 35 to 60 mol% of B 2 O 3, and 10 to 35 mol% of ZnO is used as a composition for manufacturing the transparent dielectric glass for plasma display.

따라서 중금속(특히 PbO, Bi2O3, CdO 등)을 함유하지 않아 토양 및 수질오염에 의한 환경오염 및 자연 생태계 파괴 등의 문제점을 해결할 수 있고, 제품의 무게를 줄일 수 있으며, 소다라임유리 기판을 이용하는 것이 가능하다.Therefore, it does not contain heavy metals (especially PbO, Bi 2 O 3 , CdO, etc.) can solve the problems such as environmental pollution and natural ecosystem destruction by soil and water pollution, reduce the weight of the product, soda lime glass substrate It is possible to use.

하기의 표1.에서 나타낸 실시예의 조성을 통하여 각 성분에 따른 물성을 알아보았다. 그리고 각 성분에 따른 물성변화는 아래와 같다Through the composition of the Example shown in Table 1. And the property change according to each component is as follows

(실시예)(Example)

1) 실시방법1) Method

표 1에 나타낸 조성으로 배합하여, 백금도가니에 넣고 1200℃에서 용융시킨 다음 시편을 제조하여 본 발명이 속하는 기술분야에서 통상적으로 사용되는 방법으로 각 실시 예에 대한 물성(전이점, 유전상수, 선팽창계수)을 측정하여 아래 표 1에 나타내었다.Compounded with the composition shown in Table 1, put into a platinum crucible and melted at 1200 ° C to prepare a specimen, the physical properties (transition point, dielectric constant, linear expansion) for each embodiment by a method commonly used in the art to which the present invention belongs Coefficients) were measured and shown in Table 1 below.

2) 성분변화에 따른 물성 변화2) Changes in physical properties due to changes in composition

a) B2O3는 유리를 구성하기 위한 필수성분인 유리형성 산화물로서, 발명 유리조성계에서 그 함량이 작아짐에 따라 유전상수와 선팽창계수를 증가시키는 역활을 한다. 그러나 B2O3의 함량이 전체 유리 조성물 100mol% 에 대해 35mol% 미만이면 내실투성이 나빠지는 현상이 일어난다.a) B 2 O 3 is a glass-forming oxide which is an essential component for constituting glass, and serves to increase dielectric constant and coefficient of linear expansion as its content decreases in the inventive glass composition system. However, when the content of B 2 O 3 is less than 35 mol% with respect to 100 mol% of the total glass composition, devitrification resistance deteriorates.

b) ZnO는 본 발명조성에서 유리수식제로 작용하며 내실투성 및 내화학성을 향상시키기 위해 사용되나 유리수식제로서 기여도가 BaO보다 작다.b) ZnO acts as a free formula in the composition of the present invention and is used to improve the devitrification and chemical resistance, but the contribution is less than BaO as a free formula.

c) BaO는 연화온도를 저하시키고 유전상수와 선팽창계수를 증가시키며, BaO 함량이 전체 유리조성물 100mol%에 대해 50mol% 이상이면 실투가 일어난다.c) BaO lowers the softening temperature, increases the dielectric constant and linear expansion coefficient, and devitrification occurs when the BaO content is 50 mol% or more with respect to 100 mol% of the total glass composition.

※상기 표 1에서 알 수 있듯이 본 발명의 실시예1∼6, 9는 종래의 투명 유전체(2) 특성(유전상수와 선팽창계수)만족하며 플라즈마 디스플레이용 투명유전체 재료에 적합하다.As can be seen from Table 1, Examples 1 to 6 and 9 of the present invention satisfy the characteristics of the conventional transparent dielectric material 2 (dielectric constant and linear expansion coefficient) and are suitable for transparent dielectric materials for plasma displays.

이상과 같은 구성 및 작용을 갖는 본 발명의 플라즈마 디스플레이 패널용 투명 유전체 유리 조성물은 PbO 성분을 배제한 새로운 조성을 이용하여 기존의 제품의 특성을 나타낼 수가 있었음은 물론 중금속인 PbO가 포함되어 있지 않아 플라즈마 디스플레이 패널 제품의 폐기시 환경오염 및 자연 생태계 파괴 등의 문제점을 근본적으로 해결할 수 있고, 제품의 무게를 줄일 수 있는 한편 저온 소성 가능한 효과까지 득할 수 있는 등 그 기대되는 효과는 예상외로 다대한 발명이다.The transparent dielectric glass composition for a plasma display panel according to the present invention having the above-described structure and action was able to exhibit the characteristics of the existing product by using a new composition excluding PbO components, and of course, it does not contain PbO, which is a heavy metal. When the product is disposed of, it is possible to fundamentally solve problems such as environmental pollution and destruction of the natural ecosystem, reduce the weight of the product, and obtain a low-temperature firing effect.

Claims (1)

플라즈마 디스플레이용 투명 유전체 유리(2)를 제조함에 있어서,In manufacturing the transparent dielectric glass 2 for plasma display, 그 조성물을 BaO 20∼35mol%, B2O335∼60mol%, ZnO 10∼35mol%로 함을 특징으로 하는 플라즈마 디스플레이용 투명 유전체 유리 조성물.The composition BaO 20~35mol%, B 2 O 3 35~60mol%, the transparent dielectric glass composition for a plasma display, characterized in that the ZnO 10~35mol%.
KR1020000075005A 2000-10-27 2000-10-27 Compositions of transparent dielectric glass for plasma display panel KR20020033006A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1595856A1 (en) * 2003-02-19 2005-11-16 Yamato Electronic Co., Ltd. Lead-free glass material for use in sealing and, sealed article and method for sealing using the same
EP2056329A2 (en) 2007-11-05 2009-05-06 Samsung SDI Co., Ltd. Dielectric Material for Plasma Display Panel, and method of preparing the same

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09102273A (en) * 1995-08-01 1997-04-15 Japan Synthetic Rubber Co Ltd Manufacture of plasma display panel
JPH09278482A (en) * 1996-04-12 1997-10-28 Nippon Electric Glass Co Ltd Low dielectric constant glass composition
EP0987228A2 (en) * 1998-08-07 2000-03-22 JSR Corporation Glass paste composition, and transfer film and plasma display panel comprising the same
JP2000164139A (en) * 1998-11-27 2000-06-16 Mitsubishi Electric Corp Substrate for ac type plasma display panel, ac type plasma display panel and ac type plasma display device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09102273A (en) * 1995-08-01 1997-04-15 Japan Synthetic Rubber Co Ltd Manufacture of plasma display panel
JPH09278482A (en) * 1996-04-12 1997-10-28 Nippon Electric Glass Co Ltd Low dielectric constant glass composition
EP0987228A2 (en) * 1998-08-07 2000-03-22 JSR Corporation Glass paste composition, and transfer film and plasma display panel comprising the same
JP2000164139A (en) * 1998-11-27 2000-06-16 Mitsubishi Electric Corp Substrate for ac type plasma display panel, ac type plasma display panel and ac type plasma display device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1595856A1 (en) * 2003-02-19 2005-11-16 Yamato Electronic Co., Ltd. Lead-free glass material for use in sealing and, sealed article and method for sealing using the same
EP1595856A4 (en) * 2003-02-19 2009-09-16 Yamato Electronic Co Ltd Lead-free glass material for use in sealing and, sealed article and method for sealing using the same
EP2056329A2 (en) 2007-11-05 2009-05-06 Samsung SDI Co., Ltd. Dielectric Material for Plasma Display Panel, and method of preparing the same

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