JP2003223988A - Organic el panel - Google Patents
Organic el panelInfo
- Publication number
- JP2003223988A JP2003223988A JP2002021885A JP2002021885A JP2003223988A JP 2003223988 A JP2003223988 A JP 2003223988A JP 2002021885 A JP2002021885 A JP 2002021885A JP 2002021885 A JP2002021885 A JP 2002021885A JP 2003223988 A JP2003223988 A JP 2003223988A
- Authority
- JP
- Japan
- Prior art keywords
- terminal group
- organic
- terminal
- electrodes
- panel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000758 substrate Substances 0.000 claims abstract description 40
- 239000010410 layer Substances 0.000 claims description 20
- 239000012044 organic layer Substances 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 238000005192 partition Methods 0.000 description 6
- 239000011159 matrix material Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 239000011889 copper foil Substances 0.000 description 3
- 238000007740 vapor deposition Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 229910001148 Al-Li alloy Inorganic materials 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000012777 electrically insulating material Substances 0.000 description 1
- 238000005401 electroluminescence Methods 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- SJCKRGFTWFGHGZ-UHFFFAOYSA-N magnesium silver Chemical compound [Mg].[Ag] SJCKRGFTWFGHGZ-UHFFFAOYSA-N 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、少なくとも発光層
を有する有機層を２つの電極により、挟持した積層体を
透光性の基板上に配設してなる有機ＥＬ（エレクトロル
ミネッセンス）パネルに関し、特に、異方性導電膜を用
いて外部機器と接続する有機ＥＬパネルに好適に利用で
きる。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an organic EL (electroluminescence) panel in which a laminated body in which an organic layer having at least a light emitting layer is sandwiched by two electrodes is arranged on a transparent substrate. In particular, it can be suitably used for an organic EL panel that is connected to an external device by using an anisotropic conductive film.
【０００２】[0002]
【従来の技術】有機ＥＬパネルは、例えば、特開２００
１−１４２４３２号公報に示すように、ガラス基板等の
透光性絶縁支持基板上にＩＴＯ（インジウムチンオキサ
イド）等の導電性透明膜を用いた複数の第１の電極をス
トライプ状に形成し、この第１の電極の背面に有機層
（有機ＥＬ層）を形成し、この有機層の背面にアルミニ
ウム等の金属蒸着膜を用いたストライプ状の第２の電極
を第１の電極に直交するように複数本形成し、これら第
１，２の電極とで前記有機層を挟持するドットマトリク
ス式のものがある。2. Description of the Related Art Organic EL panels are disclosed, for example, in Japanese Patent Application Laid-Open No.
As described in JP-A 1-142432, a plurality of first electrodes using a conductive transparent film such as ITO (indium tin oxide) is formed in a stripe shape on a transparent insulating support substrate such as a glass substrate, An organic layer (organic EL layer) is formed on the back surface of the first electrode, and a striped second electrode using a metal deposition film of aluminum or the like is formed on the back surface of the organic layer so as to be orthogonal to the first electrode. There is a dot-matrix type in which a plurality of electrodes are formed and the organic layer is sandwiched between the first and second electrodes.
【０００３】また、上述のような有機ＥＬパネルは、画
面に大型化や鮮明化が望まれており、これにともなっ
て、１つのパネルに対する電極がより多数配設される傾
向がある。また、これら多数設けられる電極は、駆動信
号を与えるために、駆動ドライバ等の外部機器と電気的
に接続される必要がある。Further, in the organic EL panel as described above, it is desired that the screen be large and sharp, and accordingly, more electrodes tend to be arranged for one panel. Further, the electrodes provided in large numbers need to be electrically connected to an external device such as a drive driver in order to give a drive signal.
【０００４】そこで、有機ＥＬパネルの外部機器との接
続は、第１，第２の電極にそれぞれ接続される第１，第
２の端子群を前記透光性絶縁支持基板の端部に微小なピ
ッチにて列状に集中的に配設させ、この第１，第２の端
子群と銅箔の端子群を有するフレキシブルプリント基板
とを異方性導電膜を介して圧着接続させる接続工程にて
行うものがあった。Therefore, in connection with the external device of the organic EL panel, the first and second terminal groups respectively connected to the first and second electrodes are connected to the end portion of the translucent insulating support substrate at a minute position. In a connection step in which the first and second terminal groups and the flexible printed board having the copper foil terminal group are pressure-connected via an anisotropic conductive film by arranging them intensively in a row at a pitch. There was something to do.
【０００５】[0005]
【発明が解決しようとする課題】上述してなる有機ＥＬ
パネルは、透光性絶縁支持基板上に所定間隔をおいて配
設される導電性透明膜の端子群によってなる凹凸形状の
面と、フレキシブルプリント基板上に所定間隔おいて配
設される銅箔の端子群によってなる凹凸形状の面との間
に異方性導電膜を介在させ熱圧着を行うことで対向する
端子群同士が導通し、フレキシブルプリント基板に接続
される外部機器との電気的接続を図るものである。[Problems to be Solved by the Invention]
The panel has an uneven surface formed by a group of terminals of a conductive transparent film arranged at a predetermined interval on the translucent insulating support substrate, and a copper foil arranged at a predetermined interval on the flexible printed board. By connecting an anisotropic conductive film to the uneven surface formed by the terminal group and performing thermocompression bonding, the terminal groups facing each other are electrically connected and electrically connected to an external device connected to the flexible printed circuit board. Is intended.
【０００６】しかしながら、導電性透明膜にて集中して
形成される端子群のうち端に設けられた端子と異方性導
電膜との接続箇所は、熱膨張やフレキシブルプリント基
板の撓みによって、応力が集中することにより剥離が生
じて導通がはかれない虞れがあり、信頼性の乏しい接続
構造となってしまう問題があった。However, the connection point between the terminal provided at the end of the group of terminals concentratedly formed by the conductive transparent film and the anisotropic conductive film is stressed by thermal expansion or bending of the flexible printed board. There is a possibility that peeling may occur due to the concentration of the electric field and electrical continuity may not be achieved, resulting in a connection structure with poor reliability.
【０００７】また、上述した第１の端子群と第２の端子
群との間に各端子群の微小なピッチに比べて大きな間隔
がある場合においても、前記第１の端子群と第２の端子
群との間に隣接する端子は、前述の端子群の端と同様に
導通がはかれない虞ががあり、信頼性の乏しい接続構造
となってしまう問題があった。Further, even when there is a large gap between the first terminal group and the second terminal group as compared with the minute pitch of each terminal group, the first terminal group and the second terminal group can be separated from each other. There is a possibility that the terminals adjacent to the terminal group may not be conducted like the end of the terminal group described above, resulting in a connection structure with poor reliability.
【０００８】そこで本発明は、上述した問題点に着目し
てなされたものであり、外部機器との接続信頼性の高い
有機ＥＬパネルを提供することを目的とするものであ
る。Therefore, the present invention has been made in view of the above-mentioned problems, and an object thereof is to provide an organic EL panel having high connection reliability with external equipment.
【０００９】[0009]
【課題を解決するための手段】前記課題を解決するた
め、本発明の有機ＥＬパネルは、請求項１に記載したよ
うに、透光性の基板上に、少なくとも一方が透光性に形
成される第１，第２の電極によって挟持され、少なくと
も発光層を含む有機ＥＬ層を配設してなる有機ＥＬパネ
ルであって、複数の前記第１の電極に接続され前記基板
の一部分集中して引き出し形成されてなる第１の端子群
と、前記第２の電極に接続され前記第１の端子群に所定
間隔をおいて前記基板上に引き出し形成される第２の端
子と、前記第１の端子群または前記第２の端子のうち少
なくとも一方と隣り合うようにして形成され前記第１，
２の電極とは接続しないダミー端子と、を備えてなるこ
とを特徴とする。In order to solve the above problems, in the organic EL panel of the present invention, at least one of the organic EL panels is formed on a translucent substrate in a translucent manner. An organic EL panel sandwiched by first and second electrodes, wherein an organic EL layer including at least a light emitting layer is provided, wherein the organic EL panel is connected to a plurality of the first electrodes and a part of the substrate is concentrated. A first terminal group formed by drawing, a second terminal connected to the second electrode and formed by drawing on the substrate at a predetermined interval from the first terminal group, and the first terminal group The first and second terminals are formed so as to be adjacent to at least one of the terminal group or the second terminal.
And a dummy terminal that is not connected to the second electrode.
【００１０】また、請求項２に記載したように、請求項
１に記載の有機ＥＬパネルにおいて、前記ダミー端子
は、前記第１の端子群と前記第２の端子との間に設けら
れてなることを特徴とする。Further, as described in claim 2, in the organic EL panel according to claim 1, the dummy terminal is provided between the first terminal group and the second terminal. It is characterized by
【００１１】また、本発明の有機ＥＬパネルは、請求項
３に記載したように、透光性の基板上に、透光性材料か
らなりライン形状の複数の第１の電極と、少なくとも発
光層を含む有機層と、前記第１の電極と交差するライン
形状の複数の第２の電極とを順次形成してなる有機ＥＬ
パネルであって、それぞれの前記第１の電極に接続され
前記基板の一部分集中して引き出し形成されてなる第１
の端子群と、それぞれの前記第２の電極に接続され前記
第１の端子群に所定間隔をおいて前記基板上に引き出し
形成される第２の端子群と、前記第１の端子群または第
２の端子群のうち少なくとも一方と隣り合うようにして
形成され前記第１，２の電極とは接続しないダミー端子
と、を備えてなることを特徴とする。In the organic EL panel of the present invention, as described in claim 3, a plurality of line-shaped first electrodes made of a translucent material and at least a light emitting layer are formed on the translucent substrate. And an organic EL layer in which a plurality of line-shaped second electrodes intersecting the first electrode are sequentially formed.
A panel, which is connected to each of the first electrodes and is formed by partially concentrating the substrate
Terminal group, a second terminal group connected to each of the second electrodes and formed on the substrate at a predetermined distance from the first terminal group, and the first terminal group or the first terminal group or A dummy terminal which is formed so as to be adjacent to at least one of the two terminal groups and which is not connected to the first and second electrodes.
【００１２】また、請求項４に記載したように、請求項
３に記載の有機ＥＬパネルにおいて、前記第１の端子群
と前記第２の端子群とは、列状に設けられとともに、前
記ダミー端子は、前記第１の端子群と前記第２の端子群
との間に設けられてなることを特徴とする。Further, as described in claim 4, in the organic EL panel according to claim 3, the first terminal group and the second terminal group are provided in a row and the dummy is provided. The terminal is provided between the first terminal group and the second terminal group.
【００１３】また、請求項５に記載したように、請求項
３または請求項４に記載の有機ＥＬパネルにおいて、前
記ダミー端子は、前記第１，２の端子群と等間隔にて配
設されてなることを特徴とする。Further, as described in claim 5, in the organic EL panel according to claim 3 or 4, the dummy terminals are arranged at equal intervals with the first and second terminal groups. It is characterized by
【００１４】[0014]
【発明の実施の形態】以下、本発明の実施の形態を添付
図面に基づき説明する。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the accompanying drawings.
【００１５】図１，図２において、有機ＥＬパネルは基
板１と、導電性透明膜２と、リブ３と、有機層（有機Ｅ
Ｌ層）４と、金属膜５とから主に構成される。1 and 2, the organic EL panel includes a substrate 1, a conductive transparent film 2, ribs 3, and an organic layer (organic E panel).
The L layer) 4 and the metal film 5 are mainly included.
【００１６】基板１は、長方形形状の透明ガラス材から
なる電気絶縁性の支持基板である。The substrate 1 is an electrically insulating supporting substrate made of a rectangular transparent glass material.
【００１７】導電性透明膜２は、ＩＴＯからなり、第１
の電極２Ａと、第１の端子群２Ｂと、第２の端子群２Ｃ
と、ダミー端子２Ｄとをスパッタリング法や蒸着法等の
手段を用いて基板１の一面側に略均一な厚みにて形成さ
れるものである。第１の電極２Ａは、表示領域６内にお
いて基板１の幅方向にライン状に形成されるとともに、
基板１の長手方向に対して一定の間隔をおいて列状に複
数形成されてなる。第１の端子群２Ｂは、各第１の電極
２Ａから基板１の一辺側の端部までそれぞれ連続して引
き出し形成され、所定のピッチにて列状に集中的に設け
られている。第２の端子群２Ｃは、後述する第２の電極
の数に対応して形成されるもので、第１の端子群２Ｂの
形成位置である基板１の端部と同じ辺上に第１の端子群
２Ｂから所定間隔をおいて列状に集中的に設けられてい
る。また、第２の端子群２Ｃは、第１の端子群２Ｂのピ
ッチに近いピッチにて第１の端子群２Ｂとともに基板１
の一辺に沿って列状に配設されている。ダミー端子２Ｄ
は、第１の端子群２Ｂと第２の端子群２Ｃとのそれぞれ
両端に配設され、第１の端子群２Ｂと第２の端子群２Ｃ
との間には複数配設される。また、ダミー端子２Ｄは、
第１の端子２Ｂまたは第２の端子２Ｃと略同じの幅及び
ピッチにて形成されてなる。The conductive transparent film 2 is made of ITO,
Electrode 2A, first terminal group 2B, and second terminal group 2C
And the dummy terminals 2D are formed on the one surface side of the substrate 1 with a substantially uniform thickness by using a method such as a sputtering method or a vapor deposition method. The first electrode 2A is formed in a line shape in the width direction of the substrate 1 in the display region 6, and
A plurality of substrates 1 are formed in rows at regular intervals in the longitudinal direction of the substrate 1. The first terminal group 2B is continuously drawn out from each of the first electrodes 2A to the end portion on one side of the substrate 1, and is intensively provided in a row at a predetermined pitch. The second terminal group 2C is formed corresponding to the number of second electrodes to be described later, and the first terminal group 2C is formed on the same side as the end of the substrate 1 where the first terminal group 2B is formed. The terminals are concentrated in a row at a predetermined distance from the terminal group 2B. In addition, the second terminal group 2C and the first terminal group 2B together with the substrate 1 are arranged at a pitch close to that of the first terminal group 2B.
Are arranged in rows along one side. Dummy terminal 2D
Are arranged at both ends of the first terminal group 2B and the second terminal group 2C, respectively, and the first terminal group 2B and the second terminal group 2C are provided.
And a plurality of them are provided. In addition, the dummy terminal 2D is
The first terminal 2B and the second terminal 2C are formed to have substantially the same width and pitch.
【００１８】なお、これらのダミー端子２Ｄは、図３に
示すように、銅箔にて端子２０が印刷されたフレキシブ
ルプリント基板２１と、異方性導電膜２２を介して熱圧
着することにより接続される。また、異方性導電膜２２
は、熱圧着によって異方性導電膜２２中に設けられる導
電粒子（図示しない）が変形し、隣り合う端子間の絶縁
を保ちながら、対向する端子群２Ｂ，２Ｃの各端子同士
を導通しつつ接続状態とする。As shown in FIG. 3, these dummy terminals 2D are connected to a flexible printed board 21 on which terminals 20 are printed with copper foil by thermocompression bonding via an anisotropic conductive film 22. To be done. In addition, the anisotropic conductive film 22
The conductive particles (not shown) provided in the anisotropic conductive film 22 are deformed by thermocompression bonding, and the terminals of the opposing terminal groups 2B and 2C are electrically connected to each other while maintaining insulation between the adjacent terminals. Set to the connected state.
【００１９】リブ３は、フェノール系の電気絶縁性材料
からなり、その断面が逆台形形状等のオーバーハング形
状となるようにフォトリソグラフィー法等の手段によっ
てパターン形成されてなるものである。また、リブ３
は、表示領域６内においてに基板の幅方向に対して所定
間隔をおいて、第１の電極２Ａと直交する方向（基板１
の長手法方向）に第２の電極５Ａを複数本形成するため
の電極区画部３Ａと、各電極区画部３Ａから表示領域６
外の基板１上に配設される第２の端子群２Ｃ近辺まで屈
曲しながら連続して形成されるリード区画部３Ｂとが設
けられている。The rib 3 is made of a phenol-based electrically insulating material, and is patterned by means of a photolithography method or the like so that its cross section has an overhanging shape such as an inverted trapezoidal shape. Also, rib 3
In a direction orthogonal to the first electrode 2A (the substrate 1 in the display region 6 at a predetermined interval in the width direction of the substrate).
Electrode partition 3A for forming a plurality of second electrodes 5A in the long method direction), and the display area 6 from each electrode partition 3A.
There is provided a lead partition portion 3B which is continuously formed while being bent to the vicinity of the second terminal group 2C arranged on the outer substrate 1.
【００２０】有機層４は、少なくとも表示領域６内に正
孔注入層，正孔輸送層，発光層及び電子輸送層を蒸着法
等の手段によって順次積層形成してなるものである。ま
た、有機層４は、表示領域６において第１の電極２Ａ及
びリブ３上に形成されるものであるが、表示領域６内の
各電極区画部３Ａに覆われていない第２の電極２Ａの露
出部分上に積層されるものと、リブ３によって段切れし
リブ３の上面に積層されるものとに区分けされる。The organic layer 4 is formed by sequentially laminating a hole injecting layer, a hole transporting layer, a light emitting layer and an electron transporting layer at least in the display area 6 by means such as a vapor deposition method. The organic layer 4 is formed on the first electrodes 2A and the ribs 3 in the display area 6, but the second electrode 2A not covered by each electrode partition 3A in the display area 6 is formed. It is divided into one that is laminated on the exposed portion and one that is cut off by the rib 3 and laminated on the upper surface of the rib 3.
【００２１】金属膜５は、アルミニウム（ＡＬ）やアル
ミリチウム（ＡＬ−Ｌｉ），マグネシウム銀（Ｍｇ−Ａ
ｇ）等の金属性の導電性材料にてスパッタリング法や蒸
着法等の手段により形成される。また、金属膜５は、有
機層４と同様にリブ３の厚み（段差）によって有機層４
上に積層されるものとリブ３上に積層されるものとに区
分けされるものであり、第２の電極５Ａと、リード５Ｂ
とが形成されてなる。第２の電極５Ａは、表示領域６内
においてリブ３を介して離間しながらライン状に有機層
４上に配設される。したがって、第２の電極５Ａは、第
１の電極２Ａと直交する方向に複数本平行に配設されマ
トリックス状になる。また、リード５Ｂは表示領域６外
において各第２の電極５Ａに連続して形成され、電極区
画部３Ｂの屈曲箇所に対応して屈曲部５Ｃを有するとと
もに電極区画部３Ｂによって各第２の電極５Ａに対応す
る第２の端子群２Ｃまで区分けされながら導かれて第２
の端子群２Ｃの各端子と電気的に接続する。The metal film 5 is made of aluminum (AL), aluminum lithium (AL-Li), magnesium silver (Mg-A).
It is formed of a metallic conductive material such as g) by means such as a sputtering method or a vapor deposition method. In addition, the metal film 5 is formed by the thickness (step) of the rib 3 similarly to the organic layer 4.
The second electrode 5A and the leads 5B are divided into those laminated on the ribs 3 and those laminated on the ribs 3.
And are formed. The second electrode 5A is linearly arranged on the organic layer 4 in the display area 6 while being separated by the rib 3. Therefore, the plurality of second electrodes 5A are arranged in parallel in the direction orthogonal to the first electrodes 2A to form a matrix. Further, the lead 5B is formed continuously with each second electrode 5A outside the display region 6, has a bent portion 5C corresponding to the bent portion of the electrode partition 3B, and has each second electrode by the electrode partition 3B. The second terminal group 2C corresponding to 5A is guided while being segmented to the second terminal group 2C.
Electrically connected to each terminal of the terminal group 2C.
【００２２】なお、表示領域６内においてマトリクス状
に形成された第１の電極２Ａと第２の電極５Ａとは、有
機層４を挟持するように設けられ、それぞれの電極２
Ａ，５Ａへ選択的に電源供給することによって、その交
差部分（発光部）に挟持された有機層４がドットとして
発光するように構成されている。The first electrode 2A and the second electrode 5A formed in a matrix in the display area 6 are provided so as to sandwich the organic layer 4, and each electrode 2
By selectively supplying power to A and 5A, the organic layer 4 sandwiched between the intersecting portions (light emitting portions) emits light as dots.
【００２３】以上のように、基板１上に、導電性透明膜
２と、リブ３と、有機層４と、金属膜５とが順次積層さ
れることにより積層体が形成される。また、この積層体
上には、外部の湿気等から遮断するための図示しない保
護膜または蓋体が設けられる。As described above, the conductive transparent film 2, the ribs 3, the organic layer 4, and the metal film 5 are sequentially laminated on the substrate 1 to form a laminated body. In addition, a protective film (not shown) or a cover (not shown) for blocking moisture from the outside is provided on the laminated body.
【００２４】かかる構成による有機ＥＬパネルは、透光
性の基板１上に、透光性材料からなりライン形状の複数
の第１の電極２Ａと、少なくとも発光層を含む有機層４
と、第１の電極２Ａと交差するライン形状の複数の第２
の電極５Ａとを順次形成してなる有機ＥＬパネルであっ
て、それぞれの第１の電極２Ａに接続され基板１の一部
分集中して引き出し形成されてなる第１の端子群２Ｂ
と、それぞれの前記第２の電極５Ａに接続され第１の端
子群２Ｂに所定間隔をおいて基板１上に引き出し形成さ
れる第２の端子群２Ｃと、第１の端子群２Ｂまたは第２
の端子群２Ｃのうち少なくとも一方と隣り合うようにし
て形成され第１，２の電極２Ａ，５Ａとは接続しないダ
ミー端子２Ｄと、を備えてなることにより、各電極２
Ａ，５Ａと異方性導電膜２２との接続した場合、応力の
集中しやすい部分にダミー端子２Ｄが設けられることか
ら、異方性導電膜２２と第１，第２の端子群２Ｂ，２Ｃ
との接続強度を強固に保つことができるため、信頼性の
高い接続構造を有する有機ＥＬパネルとなる。In the organic EL panel having such a structure, a plurality of line-shaped first electrodes 2A made of a translucent material and an organic layer 4 including at least a light emitting layer are formed on a translucent substrate 1.
And a plurality of line-shaped second electrodes intersecting the first electrode 2A.
A first terminal group 2B connected to the respective first electrodes 2A and partially formed on the substrate 1 in a concentrated manner.
And a second terminal group 2C connected to the respective second electrodes 5A and drawn out on the substrate 1 at a predetermined interval from the first terminal group 2B, and the first terminal group 2B or the second terminal group 2C.
The dummy terminal 2D which is formed so as to be adjacent to at least one of the terminal groups 2C, and which is not connected to the first and second electrodes 2A and 5A.
When A and 5A are connected to the anisotropic conductive film 22, since the dummy terminal 2D is provided in a portion where stress is likely to concentrate, the anisotropic conductive film 22 and the first and second terminal groups 2B and 2C are formed.
Since the connection strength to and can be firmly maintained, the organic EL panel has a highly reliable connection structure.
【００２５】また、第１の端子群２Ｂと第２の端子群２
Ｃとの間に間隔がある場合であっても、かかる有機ＥＬ
パネルのダミー端子２Ｄは、第１の端子群２Ｂと第２の
端子群２Ｃとの間に設けられてなることによって、第１
の端子群２Ｂと第２の端子群２Ｃとの短絡を防ぐととも
に、第１の端子群２Ｂと第２の端子群２Ｃとの間におけ
る凹凸形状を均一にすることができ、異方性導電膜２２
にて接続するものにおいて、応力の集中しない接続構造
とすることができる。したがって、異方性導電膜２２と
第１，第２の端子群２Ｂ，２Ｃとの接続強度を強固に保
つことができるため、信頼性の高い接続構造を有する有
機ＥＬパネルとなる。Further, the first terminal group 2B and the second terminal group 2
Even if there is a space between C and the organic EL,
Since the dummy terminal 2D of the panel is provided between the first terminal group 2B and the second terminal group 2C,
Can prevent a short circuit between the terminal group 2B and the second terminal group 2C, and can make the uneven shape between the first terminal group 2B and the second terminal group 2C uniform. 22
The connection structure in which stress is not concentrated can be used for the connection structure described above. Therefore, since the connection strength between the anisotropic conductive film 22 and the first and second terminal groups 2B and 2C can be kept strong, the organic EL panel has a highly reliable connection structure.
【００２６】なお、ダミー端子２Ｄは、第１，２の端子
群２Ｂ，２Ｃと等間隔（同じピッチ）にて配設すること
により、異方性導電膜２２と第１，第２の端子群２Ｂ，
２Ｃとの接続強度をより均等に保つことができるため、
より接続信頼性の高い接続構造を有する有機ＥＬパネル
となる。The dummy terminals 2D are arranged at equal intervals (same pitch) as the first and second terminal groups 2B and 2C, so that the anisotropic conductive film 22 and the first and second terminal groups are arranged. 2B,
Because the connection strength with 2C can be maintained more evenly,
The organic EL panel has a connection structure with higher connection reliability.
【００２７】なお、本発明の実施の形態による第２の電
極５Ａ及びリード５Ｂは、リブ３によって区分けされて
形成されたものを例に挙げて説明したが、本発明はこれ
に限定されるものではなく、有機ＥＬパネルの積層構造
においては任意の構成であってもよく、例えば、リブ３
を設けずに上述した実施の形態の第２の電極５Ａ及びリ
ード５Ｂと同形状のものをパターンニング形成すること
もでき、上述した実施の形態と同様の効果が得られる。The second electrode 5A and the lead 5B according to the embodiment of the present invention have been described by taking the one formed by being divided by the rib 3 as an example, but the present invention is not limited to this. Instead, the laminated structure of the organic EL panel may have any structure, for example, the rib 3
It is also possible to form the same shape as the second electrode 5A and the lead 5B of the above-described embodiment without providing the patterning, and the same effect as that of the above-described embodiment can be obtained.
【００２８】また、本発明の実施の形態では、第１，２
の電極２Ａ，５Ａが各々直交するマトリクス状に形成さ
れた電極を有する有機ＥＬパネルについて例に挙げて説
明したが、本発明はこれに限定されるものではなく、例
えば、第１の電極及び第２の電極が所定角度にて交差す
るものであってもよい。また、本発明は、透光性の基板
上に、少なくとも一方が透光性に形成される第１，第２
の電極によって挟持され、少なくとも発光層を含む有機
ＥＬ層を配設してなる有機ＥＬパネルであれば適応で
き、例えば、発光部が文字，記号，所望の図形、または
日の字型となる所謂セグメント式のものであってもよ
く、上述した実施の形態と同様の効果が得られる。Further, in the embodiment of the present invention, the first and second
The organic EL panel having electrodes formed in a matrix shape in which the electrodes 2A and 5A are orthogonal to each other has been described as an example, but the present invention is not limited to this. For example, the first electrode and the first electrode The two electrodes may intersect at a predetermined angle. Further, according to the present invention, at least one of the first and second transparent substrates is formed on a transparent substrate.
It is applicable to any organic EL panel sandwiched by the above electrodes and provided with an organic EL layer including at least a light emitting layer. For example, the so-called light emitting portion is a letter, a symbol, a desired figure, or a letter-shaped so-called. A segment type may be used, and the same effect as that of the above-described embodiment can be obtained.
【００２９】[0029]
【発明の効果】本発明は、透光性の基板上に、少なくと
も一方が透光性に形成される第１，第２の電極によって
挟持され、少なくとも発光層を含む有機ＥＬ層を配設し
てなる有機ＥＬパネルであって、外部機器との接続信頼
性の高い有機ＥＬパネルを提供することができる。According to the present invention, an organic EL layer including at least a light emitting layer is disposed on a transparent substrate, at least one of which is sandwiched by first and second transparent electrodes. It is possible to provide an organic EL panel having high reliability in connection with an external device.
【図１】 本発明の実施の形態における有機ＥＬパネル
の分解斜視図。FIG. 1 is an exploded perspective view of an organic EL panel according to an embodiment of the present invention.
【図２】 同上の表示領域内の有機ＥＬパネルを示す断
面図。FIG. 2 is a sectional view showing the organic EL panel in the display area of the above.
【図３】 同上のフレキシブルプリント基板との接続状
態を示す断面図。FIG. 3 is a cross-sectional view showing a connection state with the above flexible printed circuit board.
１ 基板 ２ 導電性透明膜 ２Ａ 第１の電極 ２Ｂ 第１の端子群 ２Ｃ 第２の端子群 ２Ｄ ダミー端子 ４ 有機層（有機ＥＬ層） ５Ａ 第２の電極 1 substrate 2 Conductive transparent film 2A First electrode 2B First terminal group 2C Second terminal group 2D dummy terminal 4 Organic layer (organic EL layer) 5A Second electrode
Claims (5)
性に形成される第１，第２の電極によって挟持され、少
なくとも発光層を含む有機ＥＬ層を配設してなる有機Ｅ
Ｌパネルであって、複数の前記第１の電極に接続され前
記基板の一部分集中して引き出し形成されてなる第１の
端子群と、前記第２の電極に接続され前記第１の端子群
に所定間隔をおいて前記基板上に引き出し形成される第
２の端子と、前記第１の端子群または前記第２の端子の
うち少なくとも一方と隣り合うようにして形成され前記
第１，２の電極とは接続しないダミー端子と、を備えて
なることを特徴とする有機ＥＬパネル。1. An organic E comprising a transparent substrate, at least one of which is sandwiched by transparent first and second electrodes and which has an organic EL layer including at least a light emitting layer.
In the L panel, a first terminal group connected to the plurality of first electrodes and formed by partially concentrating and drawing out the substrate, and a first terminal group connected to the second electrode are provided. The first and second electrodes are formed so as to be adjacent to a second terminal that is formed on the substrate at a predetermined interval and is adjacent to at least one of the first terminal group or the second terminal. An organic EL panel comprising: a dummy terminal not connected to.
記第２の端子との間に設けられてなることを特徴とする
請求項１に記載の有機ＥＬパネル。2. The organic EL panel according to claim 1, wherein the dummy terminal is provided between the first terminal group and the second terminal.
イン形状の複数の第１の電極と、少なくとも発光層を含
む有機層と、前記第１の電極と交差するライン形状の複
数の第２の電極とを順次形成してなる有機ＥＬパネルで
あって、それぞれの前記第１の電極に接続され前記基板
の一部分集中して引き出し形成されてなる第１の端子群
と、それぞれの前記第２の電極に接続され前記第１の端
子群に所定間隔をおいて前記基板上に引き出し形成され
る第２の端子群と、前記第１の端子群または第２の端子
群のうち少なくとも一方と隣り合うようにして形成され
前記第１，２の電極とは接続しないダミー端子と、を備
えてなることを特徴とする有機ＥＬパネル。3. A plurality of line-shaped first electrodes made of a light-transmitting material, an organic layer including at least a light emitting layer, and a line-shaped crossing the first electrode on a light-transmitting substrate. An organic EL panel, in which a plurality of second electrodes are sequentially formed, wherein a first terminal group connected to each of the first electrodes and formed by partially concentrating and drawing out the substrate, respectively. Of the second terminal group connected to the second electrode of the second terminal group and formed on the substrate at a predetermined interval from the first terminal group, and the first terminal group or the second terminal group. An organic EL panel, comprising: a dummy terminal that is formed so as to be adjacent to at least one of them and is not connected to the first and second electrodes.
は、列状に設けられとともに、前記ダミー端子は、前記
第１の端子群と前記第２の端子群との間に設けられてな
ることを特徴とする請求項３に記載の有機ＥＬパネル。4. The first terminal group and the second terminal group are arranged in a row, and the dummy terminal is provided between the first terminal group and the second terminal group. The organic EL panel according to claim 3, wherein the organic EL panel is provided.
と等間隔にて配設されてなることを特徴とする請求項３
または請求項４に記載の有機ＥＬパネル。5. The dummy terminals are arranged at equal intervals to the first and second terminal groups.
Alternatively, the organic EL panel according to claim 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002021885A JP2003223988A (en) | 2002-01-30 | 2002-01-30 | Organic el panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002021885A JP2003223988A (en) | 2002-01-30 | 2002-01-30 | Organic el panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2003223988A true JP2003223988A (en) | 2003-08-08 |
Family
ID=27745007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002021885A Pending JP2003223988A (en) | 2002-01-30 | 2002-01-30 | Organic el panel |
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| Country | Link |
|---|---|
| JP (1) | JP2003223988A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005116320A (en) * | 2003-10-07 | 2005-04-28 | Nippon Hoso Kyokai <Nhk> | Flexible el display device |
| JP2005181706A (en) * | 2003-12-19 | 2005-07-07 | Seiko Epson Corp | Substrate for electrooptical device, electrooptical device, electronic device, and semiconductor device |
| JP2010010285A (en) * | 2008-06-25 | 2010-01-14 | Panasonic Corp | Substrate already formed with pattern |
| JP2012008491A (en) * | 2010-06-28 | 2012-01-12 | Casio Comput Co Ltd | Crimping tool and method for manufacturing display device |
| WO2012099010A1 (en) * | 2011-01-20 | 2012-07-26 | シャープ株式会社 | Substrate on which film is formed, and organic el display device |
| WO2012098994A1 (en) * | 2011-01-18 | 2012-07-26 | シャープ株式会社 | Substrate to which film is formed and organic el display device |
-
2002
- 2002-01-30 JP JP2002021885A patent/JP2003223988A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005116320A (en) * | 2003-10-07 | 2005-04-28 | Nippon Hoso Kyokai <Nhk> | Flexible el display device |
| JP2005181706A (en) * | 2003-12-19 | 2005-07-07 | Seiko Epson Corp | Substrate for electrooptical device, electrooptical device, electronic device, and semiconductor device |
| JP2010010285A (en) * | 2008-06-25 | 2010-01-14 | Panasonic Corp | Substrate already formed with pattern |
| JP2012008491A (en) * | 2010-06-28 | 2012-01-12 | Casio Comput Co Ltd | Crimping tool and method for manufacturing display device |
| WO2012098994A1 (en) * | 2011-01-18 | 2012-07-26 | シャープ株式会社 | Substrate to which film is formed and organic el display device |
| CN103299712A (en) * | 2011-01-18 | 2013-09-11 | 夏普株式会社 | Substrate to which film is formed and organic EL display device |
| JP5384755B2 (en) * | 2011-01-18 | 2014-01-08 | シャープ株式会社 | Deposition substrate, organic EL display device |
| US9076977B2 (en) | 2011-01-18 | 2015-07-07 | Sharp Kabushiki Kaisha | Substrate to which film is formed and organic EL display device |
| TWI496902B (en) * | 2011-01-18 | 2015-08-21 | 夏普股份有限公司 | Coated substrate and organic el display device |
| WO2012099010A1 (en) * | 2011-01-20 | 2012-07-26 | シャープ株式会社 | Substrate on which film is formed, and organic el display device |
| JP5313406B2 (en) * | 2011-01-20 | 2013-10-09 | シャープ株式会社 | Deposition substrate, organic EL display device |
| US8828856B2 (en) | 2011-01-20 | 2014-09-09 | Sharp Kabushiki Kaisha | Substrate on which film is formed, and organic EL display device |
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