KR20030096518A - Organic electro luminescence panel and packing method therefor - Google Patents

Organic electro luminescence panel and packing method therefor Download PDF

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Publication number
KR20030096518A
KR20030096518A KR1020020033037A KR20020033037A KR20030096518A KR 20030096518 A KR20030096518 A KR 20030096518A KR 1020020033037 A KR1020020033037 A KR 1020020033037A KR 20020033037 A KR20020033037 A KR 20020033037A KR 20030096518 A KR20030096518 A KR 20030096518A
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South Korea
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double
sided tape
flat plate
organic
panel
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KR1020020033037A
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Korean (ko)
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정애영
이교웅
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주식회사 엘리아테크
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Priority to KR1020020033037A priority Critical patent/KR20030096518A/en
Publication of KR20030096518A publication Critical patent/KR20030096518A/en

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02Details
    • H01H13/26Snap-action arrangements depending upon deformation of elastic members
    • H01H13/48Snap-action arrangements depending upon deformation of elastic members using buckling of disc springs
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2227/00Dimensions; Characteristics
    • H01H2227/026Separate dome contact
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2227/00Dimensions; Characteristics
    • H01H2227/026Separate dome contact
    • H01H2227/0261Separate dome contact with an aperture in contact making centre of dome

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  • Electroluminescent Light Sources (AREA)

Abstract

PURPOSE: An organic electroluminescence panel and a packaging method thereof are provided to reduce manufacturing costs by simplifying manufacturing procedures. CONSTITUTION: An organic electroluminescence panel comprises a flat plate(100); a double-sided tape attached along the edge of the flat plate; a moisture absorbent member(120) attached on the flat plate at the inside of the double-sided tape; a transparent substrate(130) having an organic deposited film(140) attached to the double-sided tape; and a sealing member(150) for sealing the outer sides of the flat plate and the double-sided tape and the top of the transparent substrate.

Description

유기 이엘 패널 및 그의 패키징 방법{Organic electro luminescence panel and packing method therefor}Organic EL panel and packaging method therefor {Organic electro luminescence panel and packing method therefor}

본 발명은 유기 이엘 패널 및 그의 패키징 방법에 관한 것으로, 보다 상세하게는 유기 이엘 패널을 양면테이프와 평판으로 감싸서, 외부로부터 습기의 침투를 방지할 수 있으며, 제조공정을 단순화시킬 수 있는 유기 이엘 패널 및 그의 패키징 방법에 관한 것이다.The present invention relates to an organic EL panel and a packaging method thereof, and more particularly, to wrap an organic EL panel with a double-sided tape and a flat plate to prevent penetration of moisture from the outside, and to simplify the manufacturing process. And a packaging method thereof.

최근, 유기 이엘 패널은 넓은 시야각, 고속 응답성, 낮은 동작전압을 갖는 차세대 플랫 패널 디스플레이(FED, Flat Panel Display)로서 각광을 받고 있으며, 표면광원(surface light source)의 디스플레이 및 이동 통신 단말기의 디스플레이에도 사용될 수 있다.Recently, the organic EL panel has been in the spotlight as a next-generation flat panel display (FED) having a wide viewing angle, high-speed response, and low operating voltage, and is a display of a surface light source and a display of a mobile communication terminal. Can also be used.

도 1은 일반적인 유기 이엘 패널의 기본적인 구성 단면도로써,1 is a basic configuration cross-sectional view of a general organic EL panel,

1. 투명기판(10)의 상부에 형성되어, 플러스(+) 전압을 인가하여 정공을 공급하는 ITO막과 같은 양극전극(20),1. An anode electrode 20, such as an ITO film, formed on the transparent substrate 10 and supplying holes by applying a positive voltage,

2. 상기 양극전극(20)으로부터 전자와 정공의 재결합으로 광을 방출하는 발광층, 정공주입층, 정공수송층, 전자주입과 전자수송층을 포함하는 유기적층막(30),2. An organic laminated film 30 including a light emitting layer, a hole injection layer, a hole transport layer, an electron injection and an electron transport layer that emits light by recombination of electrons and holes from the anode electrode 20,

3. 마이너스(-) 전압을 인가하여 전자를 공급하는 음극전극(40)과,3. a cathode electrode 40 for supplying electrons by applying a negative voltage (-);

4. 상기 유기적층막(30)을 감싸며, 외부로부터 습기의 침투를 차단하도록 투명기판(10)에 광 경화수지와 같은 밀봉재(60)로 부착되어 있는 서스 캔(Sus can)(50)과,4. Sus can (50) surrounding the organic laminated film (30) and attached to the transparent substrate (10) with a sealing material (60) such as a photocurable resin to block penetration of moisture from the outside;

5. 상기 서스 캔(50)의 내부에 장착되어, 외부로부터 침투되는 습기를 흡수하는 흡습제(70)로 구성된다.5. It is composed of a moisture absorbent (70) mounted inside the suscan (50) to absorb moisture penetrating from the outside.

이렇게 구성된 유기 전계 발광 디스플레이 패널은 음극전극(40)과 양극전극(20)으로부터 각각 주입된 전자와 정공이 결합하여 생성된 엑사이톤(exciton)이 유기적층막(30)에서 여기상태에서 기저상태로 떨어지면서 발광하여 기판(10)을 통하여 광이 외부로 방출된다.The organic electroluminescent display panel configured as described above has an exciton generated by combining electrons and holes injected from the cathode electrode 40 and the anode electrode 20 from the excited state to the ground state in the organic laminated film 30. Light is emitted while falling and light is emitted to the outside through the substrate 10.

이러한 종래의 서스캔이 형성된 유기 이엘 패널은 투명기판과 서스캔의 간극이 좁아지면, 양극전극이 패턴된 부분과 접촉하게 되어 통전 현상이 일어나, 패널 불량의 원인이 되었고, 자외선 경화제를 이용하는 경우, 경화과정 중에 발생하는 아웃 가스가 패널에 악영향을 주게 되었다.When the gap between the transparent substrate and the scan becomes narrow, the organic EL panel having such a conventional scan is caused to come into contact with the patterned portion of the anode electrode, which causes electricity conduction and causes a panel failure. Outgases generated during the curing process adversely affect the panel.

이에 최근에는 절연 효과를 지닌 글래스 캡의 연구가 진행되었으나, 샌드 블러스터(Sand blaster), 에칭(Etching)과 몰딩(Molding)법으로 제조되는 글래스 캡에 미세 균열이 발생하는 등, 제조 공정을 제어하기 어려우며 비용면에서도 우위를 점하기 힘들다.Recently, the research of the glass cap with insulation effect has been conducted, but the microcapsule is generated in the glass cap manufactured by Sand Blaster, Etching and Molding. It's difficult, and it's hard to get an edge in terms of cost.

이에 본 발명은 상기한 바와 같은 문제점을 해결하기 위하여 안출된 것으로, 투명기판의 상부에 형성된 유기 이엘 소자가 양면테이프와 평판으로 감싸여지고, 게다가 평판, 양면테이프와 투명기판이 접촉되는 각각의 계면을 밀봉재로 밀봉하여, 저 비용과 단순한 제조 공정으로 유기 이엘 패널을 외부의 습기로부터 완전히 차단할 수 있는 유기 이엘 패널 및 그의 패키징 방법을 제공하는 데 그 목적이 있다.Accordingly, the present invention has been made to solve the above problems, the organic EL element formed on the upper portion of the transparent substrate is wrapped with a double-sided tape and a flat plate, and each interface interface between the flat plate, the double-sided tape and the transparent substrate in contact with It is an object of the present invention to provide an organic EL panel and its packaging method capable of completely sealing the organic EL panel from external moisture at low cost and simple manufacturing process by sealing it with a sealing material.

상기한 본 발명의 목적을 달성하기 위한 바람직한 양태(樣態)는, 평판(100)과;A preferred aspect for achieving the above object of the present invention is a flat plate (100);

상기 평판(100)의 외곽을 따라 접착된 양면테이프(110)와;A double-sided tape 110 bonded along an outer side of the flat plate 100;

상기 양면테이프(110) 내측의 평판(100) 상부에 부착된 흡습제(120)와;A moisture absorbent (120) attached to an upper surface of the flat plate (100) inside the double-sided tape (110);

상기 양면테이프(110)에 접착된 유기적층막(140)이 형성된 투명기판(130)과;A transparent substrate 130 having an organic laminated film 140 adhered to the double-sided tape 110;

상기 평판(100)과 양면테이프(110)의 외측과 상기 투명기판(130)의 상부를 밀봉시키는 밀봉재(150)로 이루어짐을 특징으로 하는 유기 이엘 패널이 제공된다.An organic EL panel is provided, comprising an encapsulant 150 for sealing the outer side of the flat plate 100 and the double-sided tape 110 and the upper portion of the transparent substrate 130.

상기한 본 발명의 목적을 달성하기 위한 바람직한 다른 양태(樣態)는, 평판(100)의 외곽을 따라 양면테이프(110)를 접착시키는 단계와;Another preferred aspect for achieving the above object of the present invention comprises the steps of: adhering the double-sided tape (110) along the periphery of the flat plate (100);

상기 양면테이프(110) 내측의 평판(100) 상부에 흡습제(120)를 부착시키는 단계와;Attaching a moisture absorbent (120) to an upper portion of the flat plate (100) inside the double-sided tape (110);

상기 유기적층막(140)이 형성된 투명기판(130)을 상기 양면테이프(110)에 접착시키는 단계와;Adhering the transparent substrate 130 on which the organic laminated film 140 is formed to the double-sided tape 110;

상기 평판(100)과 양면테이프(110)의 외측 및 상기 투명기판(130)의 상부를 밀봉재(150)로 밀봉시키는 단계로 이루어짐을 특징으로 하는 유기 이엘 패널의 패키징 방법이 제공된다.The packaging method of the organic EL panel is provided, comprising the step of sealing the outside of the flat plate 100 and the double-sided tape 110 and the upper portion of the transparent substrate 130 with a sealing material (150).

도 1은 일반적인 유기 이엘 패널의 기본적인 구성 단면도이다.1 is a basic configuration cross-sectional view of a general organic EL panel.

도 2는 본 발명에 따른 유기 이엘 패널의 단면도이다.2 is a cross-sectional view of an organic EL panel according to the present invention.

도 3a 내지 3d는 본 발명에 따른 유기 이엘 패널의 패키징 공정도이다.3A to 3D are packaging process diagrams of the organic EL panel according to the present invention.

<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>

10,130 : 투명기판 20 : 양극전극10,130: transparent substrate 20: anode electrode

30 : 유기적층막 40 : 음극전극30 organic laminated film 40 cathode electrode

50 : 서스캔 60,150 : 밀봉재50: scan 60,150: sealing material

70 : 흡습제 100 : 평판70: absorbent 100: flat plate

110 : 양면테이프 120 : 흡습제110: double-sided tape 120: moisture absorbent

140 : 유기 적층막140: organic laminated film

이하, 첨부된 도면을 참조하여 본 발명의 바람직한 실시예를 설명하면 다음과 같다.Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings.

도 2는 본 발명에 따른 습기 차단용 평판이 장착된 유기 이엘 패널의 단면도로써, 평판(100)과; 상기 평판(100)의 외곽을 따라 접착된 양면테이프(110)와; 상기 양면테이프(110) 내측의 평판(100) 상부에 부착된 흡습제(120)와; 상기 양면테이프(110)에 접착된 유기적층막(140)이 형성된 투명기판(130)과; 상기 평판(100)과 양면테이프(110)의 외측 및 상기 투명기판(130)의 상부를 밀봉시키는 밀봉재(150)로 구성된다.2 is a cross-sectional view of the organic EL panel mounted with a moisture barrier plate according to the present invention, the plate 100; A double-sided tape 110 bonded along an outer side of the flat plate 100; A moisture absorbent (120) attached to an upper surface of the flat plate (100) inside the double-sided tape (110); A transparent substrate 130 having an organic laminated film 140 adhered to the double-sided tape 110; It consists of a sealing member 150 for sealing the outer side of the flat plate 100 and the double-sided tape 110 and the upper portion of the transparent substrate 130.

따라서, 본 발명의 유기 이엘 패널은 투명기판(130)의 상부에 형성된 유기적층막(140)이 양면테이프(110)와 평판(100)으로 감싸여지고, 상기 평판(100), 양면테이프(110)와 상기 투명기판(130)이 각각 접촉되는 계면이 상기 밀봉재(150)로 밀봉되므로, 낮은 가격의 평판과 양면테이프를 이용하여, 유기적층막(140)을 보호하여 외부로부터 습기의 침투를 완전히 차단할 수 있게 된다.Therefore, in the organic EL panel of the present invention, the organic laminated film 140 formed on the transparent substrate 130 is wrapped with the double-sided tape 110 and the flat plate 100, and the flat plate 100 and the double-sided tape 110 are formed. Since the interface between each of the and the transparent substrate 130 is in contact with the sealant 150, the organic laminate film 140 may be protected by using a low-cost flat plate and double-sided tape to completely block the penetration of moisture from the outside. Will be.

도 3a 내지 3d는 본 발명에 따른 습기 차단용 평판이 장착된 유기 이엘 패널의 패키징 공정도로써, 먼저, 글래스(Glass)로 이루어진 평판(100)의 외곽을 따라 양면테이프(110)를 접착한다.(도 3a)3a to 3d is a packaging process diagram of an organic EL panel equipped with a moisture barrier flat plate according to the present invention. First, the double-sided tape 110 is adhered along the periphery of the flat plate 100 made of glass. 3a)

여기서, 상기 평판(100)은 이 후 공정에서, 유기적층막이 형성된 투명기판(130)과 열팽창 계수가 동일하거나, 거의 차이가 없는 것이 바람직하며, 이는 제조 공정 중에 발생하는 열적인 분위기에서, 스트레스를 받지 않도록 하기 위함이다.Herein, in the subsequent process, the flat plate 100 has the same or substantially no difference in coefficient of thermal expansion with the transparent substrate 130 on which the organic layer is formed, which is stressed in the thermal atmosphere generated during the manufacturing process. This is to prevent receiving.

더불어, 상기 평판(100)과 양면테이프(110)의 두께는 각각 0.3 ~ 3 ㎜가 바람직하다.In addition, the thickness of the flat plate 100 and the double-sided tape 110 is preferably 0.3 to 3 mm, respectively.

도 3b에서는 상기 양면테이프(110) 내측의 평판(100) 상부에 흡습제(120)를 부착시키고, 유기 적층막(140)이 형성된 투명기판(130)을 상기 양면테이프(110)에 접착시킨다.(도 3c)In FIG. 3B, the moisture absorbent 120 is attached to the upper surface of the flat plate 100 inside the double-sided tape 110, and the transparent substrate 130 on which the organic laminate film 140 is formed is adhered to the double-sided tape 110. 3c)

여기서, 상기 유기 적층막(140)이 형성된 투명기판(130)은 투명기판(130)에 양극전극, 발광층을 포함하는 유기적층막과 음극전극이 순차적으로 형성되어, 양극전극과 음극전극 사이에 전압을 인가하면, 상기 발광층에서 광을 투명기판(130)를 통하여 방출하는 유기 이엘 패널을 정의한다.In the transparent substrate 130 on which the organic laminate film 140 is formed, an organic laminate film including an anode electrode and a light emitting layer and a cathode electrode are sequentially formed on the transparent substrate 130 to generate a voltage between the anode electrode and the cathode electrode. When applied, an organic EL panel that emits light through the transparent substrate 130 in the emission layer is defined.

이 후, 상기 평판(100)과 양면테이프(110)의 외측 및 상기 투명기판(130)의 상부를 밀봉재(150)로 밀봉시킨다.(도 3d)Thereafter, the outside of the flat plate 100 and the double-sided tape 110 and the upper portion of the transparent substrate 130 is sealed with a sealing material 150 (FIG. 3D).

이 때, 상기 평판(100), 양면테이프(110)와 상기 투명기판(130)이 각각 접촉되는 계면은 상기 밀봉재(150)로 밀봉되므로, 유기적층막(140)은 외부로부터 완전히 차단된다.At this time, the interface between the flat plate 100, the double-sided tape 110 and the transparent substrate 130, respectively, is sealed with the sealing material 150, the organic laminated film 140 is completely blocked from the outside.

전술된 바와 같이, 본 발명에 적용된 평판은 종래의 서스캔 또는 글래스 커버보다 훨씬 제조하기가 용이한 장점이 있다.As mentioned above, flat plates applied in the present invention have the advantage of being much easier to manufacture than conventional scans or glass covers.

이상에서 상세히 설명한 바와 같이 본 발명은 투명기판의 상부에 형성된 유기 적층막이 양면테이프와 평판으로 감싸여지고, 게다가 평판, 양면테이프와 투명기판이 접촉되는 각각의 계면이 밀봉재(150)로 밀봉되어, 저 비용과 종래의 방법보다 더욱 단순한 제조 공정으로 유기 이엘 패널을 외부의 습기로부터 완전히 차단할 수 있는 효과가 있다.As described in detail above, in the present invention, the organic laminated film formed on the upper portion of the transparent substrate is covered with a double-sided tape and a flat plate, and each interface between the flat plate, the double-sided tape and the transparent substrate is sealed with a sealing material 150, The low cost and simpler manufacturing process than the conventional method has the effect of completely shielding the organic EL panel from external moisture.

본 발명은 구체적인 예에 대해서만 상세히 설명되었지만 본 발명의 기술사상 범위 내에서 다양한 변형 및 수정이 가능함은 당업자에게 있어서 명백한 것이며, 이러한 변형 및 수정이 첨부된 특허청구범위에 속함은 당연한 것이다.Although the invention has been described in detail only with respect to specific examples, it will be apparent to those skilled in the art that various modifications and variations are possible within the spirit of the invention, and such modifications and variations belong to the appended claims.

Claims (5)

평판(100)과;Flat plate 100; 상기 평판(100)의 외곽을 따라 접착된 양면테이프(110)와;A double-sided tape 110 bonded along an outer side of the flat plate 100; 상기 양면테이프(110) 내 측의 평판(100) 상부에 부착된 흡습제(120)와;A moisture absorbent 120 attached to an upper surface of the flat plate 100 inside the double-sided tape 110; 상기 양면테이프(110)에 접착된 유기 적층막(140)이 형성된 투명기판(130)과;A transparent substrate 130 having an organic laminated film 140 adhered to the double-sided tape 110; 상기 평판(100)과 양면테이프(110)의 외측 및 상기 투명기판(130)의 상부를 밀봉시키는 밀봉재(150)로 구성된 것을 특징으로 하는 유기 이엘 패널.Organic EL panel, characterized in that consisting of a sealing member 150 for sealing the outer side of the flat plate and the double-sided tape (110) and the upper portion of the transparent substrate (130). 제 1 항에 있어서,The method of claim 1, 상기 평판(100)은 글래스(Glass)로 이루어진 것을 특징으로 하는 유기 이엘 패널.The flat panel 100 is an organic EL panel, characterized in that made of glass (Glass). 제 1 항 또는 제 2 항에 있어서,The method according to claim 1 or 2, 상기 평판(100)과 양면테이프(110)의 두께는 각각 0.3 ~ 3 ㎜ 인 것을 특징으로 하는 유기 이엘 패널.The organic EL panel, characterized in that the thickness of the flat plate 100 and the double-sided tape (110) is 0.3 ~ 3 mm respectively. 제 1 항에 있어서,The method of claim 1, 상기 평판(100)은 상기 투명기판(130)과 열팽창 계수가 동일한 것을 특징으로 하는 유기 이엘 패널.The flat panel 100 is an organic EL panel, characterized in that the thermal expansion coefficient is the same as the transparent substrate (130). 글래스(Glass)로 이루어진 평판(100)의 외곽을 따라 양면테이프(110)를 접착시키는 단계와;Bonding the double-sided tape 110 along the periphery of the flat plate 100 made of glass; 상기 양면테이프(110) 내측의 평판(100) 상부에 흡습제(120)를 부착시키는 단계와;Attaching a moisture absorbent (120) to an upper portion of the flat plate (100) inside the double-sided tape (110); 상기 유기적층막(140)이 형성된 투명기판(130)을 상기 양면테이프(110)에 접착시키는 단계와;Adhering the transparent substrate 130 on which the organic laminated film 140 is formed to the double-sided tape 110; 상기 평판(100)과 양면테이프(110)의 외측 및 상기 투명기판(130)의 상부를 밀봉재(150)로 밀봉시키는 단계로 구성된 것을 특징으로 하는 유기 이엘 패널의 패키징 방법.The method of packaging an organic EL panel comprising the step of sealing the outside of the flat plate and the double-sided tape (110) and the upper portion of the transparent substrate 130 with a sealing material (150).
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7986096B2 (en) 2006-06-14 2011-07-26 Samsung Electronics Co., Ltd. Display device with minimized infiltration of oxygen and moisture and manufacturing method thereof

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JPH0260088A (en) * 1988-08-24 1990-02-28 Hitachi Ltd Thin film el panel
JPH0589958A (en) * 1991-09-27 1993-04-09 Komatsu Ltd Thin film el panel
KR19980023228A (en) * 1996-09-25 1998-07-06 손욱 Field effect electron emission device and sealing method
JP2000208251A (en) * 1999-01-14 2000-07-28 Tdk Corp Organic el element
JP2002158088A (en) * 2000-09-08 2002-05-31 Semiconductor Energy Lab Co Ltd El display device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0260088A (en) * 1988-08-24 1990-02-28 Hitachi Ltd Thin film el panel
JPH0589958A (en) * 1991-09-27 1993-04-09 Komatsu Ltd Thin film el panel
KR19980023228A (en) * 1996-09-25 1998-07-06 손욱 Field effect electron emission device and sealing method
JP2000208251A (en) * 1999-01-14 2000-07-28 Tdk Corp Organic el element
JP2002158088A (en) * 2000-09-08 2002-05-31 Semiconductor Energy Lab Co Ltd El display device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7986096B2 (en) 2006-06-14 2011-07-26 Samsung Electronics Co., Ltd. Display device with minimized infiltration of oxygen and moisture and manufacturing method thereof

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