JP2003142258A - Organic el panel - Google Patents
Organic el panelInfo
- Publication number
- JP2003142258A JP2003142258A JP2001334544A JP2001334544A JP2003142258A JP 2003142258 A JP2003142258 A JP 2003142258A JP 2001334544 A JP2001334544 A JP 2001334544A JP 2001334544 A JP2001334544 A JP 2001334544A JP 2003142258 A JP2003142258 A JP 2003142258A
- Authority
- JP
- Japan
- Prior art keywords
- organic
- electrode
- panel
- substrate
- lead
- 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
- 239000010410 layer Substances 0.000 claims abstract description 23
- 239000012044 organic layer Substances 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 10
- 239000000758 substrate Substances 0.000 claims description 36
- 238000005192 partition Methods 0.000 claims description 13
- 230000000694 effects Effects 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- 229910001148 Al-Li alloy Inorganic materials 0.000 description 1
- 101100321669 Fagopyrum esculentum FA02 gene Proteins 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000012777 electrically insulating material Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005401 electroluminescence Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000005525 hole transport Effects 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- SJCKRGFTWFGHGZ-UHFFFAOYSA-N magnesium silver Chemical compound [Mg].[Ag] SJCKRGFTWFGHGZ-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Landscapes
- Electroluminescent Light Sources (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
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
を有する有機層を透光性の第１の電極と、遮光性の第２
の電極とにより、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
ルに関する。TECHNICAL FIELD The present invention relates to an organic layer having at least a light emitting layer, a first electrode having a light transmitting property, and a second electrode having a light shielding property.
The organic EL (electroluminescence) panel in which the laminated body sandwiched by the electrodes of (1) and (2) is arranged on a transparent substrate.
【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陽極ラインを平
行に形成し、この陽極ラインの背面に有機層（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
属蒸着膜を用いた複数の平行な陰極ラインを陽極ライン
に直交するように形成し、これら陽極ラインと陰極ライ
ン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 disclosed in JP-A 1-142432, a plurality of anode lines using a conductive transparent film such as ITO (indium tin oxide) are formed in parallel on a transparent insulating support substrate such as a glass substrate, and the anode lines are formed. Layer on the back of the (organic EL
Layer) is formed, and a plurality of parallel cathode lines using a metal deposition film such as aluminum are formed on the back surface of the organic layer so as to be orthogonal to the anode line, and the organic layer is formed by these anode lines and the cathode lines. There is a sandwiched dot matrix type.
【０００３】また、前記陽極，陰極ラインに対応して設
けられた有機ＥＬパネルの端子は、陽極ラインと同等の
材料によって、前記透光性絶縁支持基板の端部に所定間
隔をおいて列状に形成され、異方性導電膜を介してフレ
キシブルプリント配線と接続することによって、有機Ｅ
Ｌパネルに駆動信号を与える駆動ドライバ等の外部機器
と容易かつ信頼性よく電気的な接続を行う有機ＥＬパネ
ルが一般的である。また、前記端子は電気的接続におけ
る信頼性を考慮し導電性透明膜にて形成するとともに、
陽極，陰極ラインと前記各端子とを結ぶリードも導電性
透明膜が用いられている。Further, the terminals of the organic EL panel provided corresponding to the anode and cathode lines are made of the same material as the anode line and arranged in rows at predetermined intervals at the ends of the translucent insulating support substrate. And is connected to the flexible printed wiring through the anisotropic conductive film, the organic E
In general, an organic EL panel is used to electrically connect to an external device such as a drive driver that gives a drive signal to the L panel easily and reliably. Further, the terminal is formed of a conductive transparent film in consideration of reliability in electrical connection,
A conductive transparent film is also used for the leads connecting the anode and cathode lines to the terminals.
【０００４】[0004]
【発明が解決しようとする課題】また、各陽極及び陰極
ラインに対応する端子は、前記フレキシブルプリント配
線との接続を考慮すると、基板の一辺に集中的に配設す
ることが望ましく、導電性が低く電圧降下の大きい導電
性透明膜からなる陽極ラインにおける各端子は、各々の
陽極ラインの長さを略一定とすることが可能な前記基板
の一辺に配設されることが望ましいとされている。しか
しながら、陰極ラインは、陽極ラインと直交して形成さ
れるため、前記各端子が形成される前記基板の一辺に最
も近い陰極ラインと、前記一辺に最も遠い陰極ラインと
では、前記端子までに引き回されるリードの長さが異な
ってしまう。In consideration of the connection with the flexible printed wiring, it is desirable that the terminals corresponding to the respective anode and cathode lines are centrally arranged on one side of the substrate, and the terminals having good conductivity are provided. It is said that each terminal in the anode line formed of a conductive transparent film having a low voltage drop and a large voltage drop is preferably arranged on one side of the substrate that allows the length of each anode line to be substantially constant. . However, since the cathode line is formed orthogonally to the anode line, the cathode line closest to one side of the substrate on which the terminals are formed and the cathode line farthest from the one side are drawn up to the terminal. The length of the lead that is turned is different.
【０００５】したがって、前記陰極ラインのリードを構
成する導電性透明膜において、導電率が低いため、長さ
が異なるリードを有することは、各陰極ライン毎に発生
する電圧降下も異なり、これが有機ＥＬパネルにおける
発光部の輝度むらとなって発生してしまうといった問題
を有している。Therefore, since the conductive transparent film forming the leads of the cathode lines has a low conductivity, having leads of different lengths causes a difference in voltage drop generated in each cathode line, which is an organic EL. There is a problem in that the brightness of the light emitting portion of the panel becomes uneven.
【０００６】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、電圧降下の少ないリードにて引
き回し配線することにより、発光部の輝度むらを抑制す
ることが可能な有機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 by paying attention to the above-mentioned problems, and the organic EL panel capable of suppressing the uneven brightness of the light emitting portion by wiring the leads with a small voltage drop is used. It is intended to provide.
【０００７】[0007]
【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、透光性の第１の電極と、少な
くとも発光層を含む有機ＥＬ層と、前記第１の電極より
も導電率が高い第２の電極とを順次形成してなる有機Ｅ
Ｌパネルであって、前記第２の電極に対応して前記基板
の端部に形成される端子と、前記第２の電極と前記端子
との間を前記第２の電極と同じ材料にて電気的に接続す
るリードと、を備えてなることを特徴とするものであ
る。In order to solve the above-mentioned problems, the organic EL panel of the present invention has, as described in claim 1, a light-transmissive first electrode and a light-transmissive first electrode on a light-transmissive substrate. An organic EL layer formed by sequentially forming an organic EL layer including at least a light emitting layer and a second electrode having a conductivity higher than that of the first electrode.
In the L panel, a terminal formed at an end portion of the substrate corresponding to the second electrode and a space between the second electrode and the terminal are electrically made of the same material as the second electrode. And a lead that is electrically connected to each other.
【０００８】また、本発明の有機ＥＬパネルは、請求項
２に記載したように、透光性の基板上に、透光性材料か
らなる複数の第１の電極ラインと、少なくとも発光層を
含む有機層と、前記第１の電極ラインよりも導電率が高
く、前記第１の電極ラインと交差する複数の第２の電極
ラインとを順次形成してなる有機ＥＬパネルであって、
前記第２の電極ラインにそれぞれ対応して前記基板の端
部に形成される端子と、前記第２の電極ラインと前記端
子との間を前記第２の電極ラインと同じ材料にて電気的
に接続するリードと、を備えてなることを特徴とするも
のである。Further, as described in claim 2, the organic EL panel of the present invention comprises, on a transparent substrate, a plurality of first electrode lines made of a transparent material and at least a light emitting layer. An organic EL panel in which an organic layer and a plurality of second electrode lines having a higher conductivity than the first electrode lines and intersecting the first electrode lines are sequentially formed,
A terminal formed at an end portion of the substrate corresponding to each of the second electrode lines and a portion between the second electrode line and the terminal are electrically made of the same material as the second electrode line. And a lead to be connected.
【０００９】また、請求項３に記載したように、請求項
２に記載の有機ＥＬパネルにおいて、前記第２の電極ラ
イン間を電気的に離間する隔壁を有し、前記隔壁によっ
て、複数の前記端子に対応する前記各リードが形成され
てなることを特徴とするものである。Further, as described in claim 3, in the organic EL panel according to claim 2, there is a partition wall electrically separating the second electrode lines, and a plurality of partition walls are provided by the partition wall. Each of the leads corresponding to the terminal is formed.
【００１０】また、請求項４に記載したように、請求項
１から請求項３の何れかに記載の有機ＥＬパネルにおい
て、前記リードは前記基板の一辺に引き回すための屈曲
部を有し、前記端子を前記基板の一辺に集中的に配設し
てなることを特徴とするものである。Further, as described in claim 4, in the organic EL panel according to any one of claims 1 to 3, the lead has a bent portion for leading to one side of the substrate, It is characterized in that terminals are concentratedly arranged on one side of the substrate.
【００１１】[0011]
【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.
【００１２】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（隔壁）３と、有機層
（有機ＥＬ層）４と、金属膜５とから主に構成される。1 and 2, the organic EL panel is mainly composed of a substrate 1, a conductive transparent film 2, ribs (partition walls) 3, an organic layer (organic EL layer) 4, and a metal film 5. To be done.
【００１３】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.
【００１４】導電性透明膜２は、ＩＴＯからなり、陽極
ライン（第１の電極ライン）２Ａと、陽極端子２Ｂと、
陰極端子（端子）２Ｃ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。陽極ライン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所定間隔おいて列状に複
数形成されている。陽極端子２Ｂは、各陽極ライン２Ａ
に連続して設けられるもので、基板１の端部に配列され
ている。陰極端子２Ｃは、後述する陰極ラインの数に対
応して設けられるもので、陽極端子２Ａの形成位置であ
る基板１の端部と同じ辺上に所定間隔をおいて列状に集
中して形成される。なお、これらの端子２Ｂ，２Ｃは、
異方性導電膜（図示しない）によりフレキシブルプリン
ト配線（図示しない）と電気的に接続可能となる。The conductive transparent film 2 is made of ITO, and has an anode line (first electrode line) 2A, an anode terminal 2B, and
The cathode terminal (terminal) 2C and the cathode terminal (terminal) 2C are formed on one surface of the substrate 1 with a substantially uniform thickness by using a method such as a sputtering method or an evaporation method. The anode lines 2A are formed in a line shape in the width direction of the substrate 1 in the display region 6, and a plurality of anode lines 2A are formed in a line at predetermined intervals in the longitudinal direction of the substrate 1. The anode terminal 2B is used for each anode line 2A.
And are arranged at the end of the substrate 1. The cathode terminals 2C are provided in correspondence with the number of cathode lines described later, and are formed in a row at predetermined intervals on the same side as the end of the substrate 1 where the anode terminals 2A are formed. To be done. In addition, these terminals 2B and 2C are
The anisotropic conductive film (not shown) enables electrical connection with the flexible printed wiring (not shown).
【００１５】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内において陽極ライン２Ａと直交する方
向に所定間隔おいて複数本形成されるための陰極ライン
区画部３Ａと、表示領域６外の基板１上に各陰極ライン
区画部３Ａから連続して形成され各陰極端子２Ｃ近辺ま
で屈曲しながら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 phenolic electrically insulating material, and is patterned by means of photolithography or the like so that its cross section has an overhanging shape such as an inverted trapezoidal shape. Also, rib 3
Is a cathode line partition 3A for forming a plurality of cathode lines at a predetermined interval in the display region 6 in a direction orthogonal to the anode line 2A, and a cathode line partition 3A on the substrate 1 outside the display region 6 from the cathode line partition 3A. The lead partition portion 3B is formed by bending to the vicinity of each cathode terminal 2C.
【００１６】有機層４は、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において陽極ライン２Ａ及びリブ３上
に形成されるものであるが、表示領域６内の各陰極ライ
ン区画部３Ａに覆われていない陽極ライン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 a hole injection layer within the display region 6,
The hole transport layer, the light emitting layer, and the electron transport layer are sequentially laminated and formed by means such as vapor deposition. Further, the organic layer 4 is formed on the anode lines 2A and the ribs 3 in the display area 6, but on the exposed portions of the anode lines 2A not covered by the cathode line partitioning portions 3A in the display area 6. Are divided into those laminated on the upper surface of the rib 3 and those laminated on the upper surface of the rib 3 by being cut off by the rib 3.
【００１７】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）等の導電性透明膜２よりも導電率が高い金属性の導
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、陰極ライン（第２の電極ライン）５Ａと、リード５
Ｂとが形成されてなる。陰極ライン５Ａは表示領域６内
においてマトリクス状になるように有機層４上に陽極ラ
イン２Ａと直交する方向にリブ３を介して離間しながら
複数本平行に配設される。また、リード５Ｂは表示領域
６外において各陰極ライン５Ａに連続して形成され、リ
ード区画部３Ｂの屈曲箇所に対応して屈曲部５Ｃを有す
るとともにリード区画部３Ｂによって各陰極ライン５Ａ
に対応する陰極端子２Ｃまで区分けされながら導かれて
陰極端子２Ｃ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 having a higher conductivity than the conductive transparent film 2 such as g) by means such as a sputtering method or a vapor deposition method. Similarly to the organic layer 4, the metal film 5 is divided into a layer laminated on the organic layer 4 and a layer laminated on the rib 3 according to the thickness (step) of the rib 3 and the cathode line. (Second electrode line) 5A and lead 5
B and are formed. A plurality of cathode lines 5A are arranged in parallel on the organic layer 4 so as to form a matrix in the display area 6 in the direction orthogonal to the anode lines 2A with the ribs 3 interposed therebetween. Further, the leads 5B are formed continuously with the respective cathode lines 5A outside the display area 6, have the bent portions 5C corresponding to the bent portions of the lead partition portions 3B, and lead lines 5A are formed by the lead partition portions 3B.
Is guided while being divided to the cathode terminal 2C corresponding to, and is electrically connected to the cathode terminal 2C.
【００１８】なお、表示領域６内においてマトリクス状
に形成された陽極ライン２Ａと陰極ライン５Ａとは、有
機層４を挟持するように設けられ、それぞれのライン２
Ａ，５Ａへ選択的に電気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 anode lines 2A and the cathode lines 5A formed in a matrix in the display area 6 are provided so as to sandwich the organic layer 4, and the respective lines 2 are provided.
By selectively supplying electricity to A and 5A, the organic layer 4 sandwiched between the intersections (light emitting portions) emits light as dots.
【００１９】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.
【００２０】かかる構成による有機ＥＬパネルは、透光
性の基板１上に、透光性の陽極ライン２Ａと、少なくと
も発光層を含む有機層４と、陽極ライン２Ａよりも導電
率が高い陰極ライン５Ａとを順次形成してなる有機ＥＬ
パネルであって、陰極ライン５Ａに対応して基板１の端
部に形成される陰極端子２Ｃと、陰極ライン５Ａと陰極
端子２Ｃとの間を陰極端子５Ａと同じ材料にて電気的に
接続するリード５Ｂと、を備えてなることにより、従来
の陰極ラインに対応するリードを導電性透明膜によって
引き回すものに比べ、導電率の高いリード、すなわち陰
極ライン５Ａと同材料により、リード５Ｂを形成するこ
とで、各陰極ライン毎におけるリードの長さの違いによ
り発生する電圧降下を抑制することができるため、有機
ＥＬパネルの発光部における輝度むらの発生を防止でき
る。特に、上述したように限られたスペース内に複数の
電極（陰極ライン５Ａ）を備えるとともに、引き回し距
離の長いリードを有する有機ＥＬパネルに本発明を採用
することによって格別な効果がある。また、リード５Ｂ
が陰極ライン５Ａと同材料にて同工程により積層形成す
ることにより、部材や製造工程を増やすことなく上述し
た効果が得られる。The organic EL panel having such a structure has a transparent substrate 1, a transparent anode line 2A, an organic layer 4 including at least a light emitting layer, and a cathode line having a higher conductivity than the anode line 2A. Organic EL formed by sequentially forming 5A
In the panel, the cathode terminal 2C formed at the end of the substrate 1 corresponding to the cathode line 5A and the cathode line 5A and the cathode terminal 2C are electrically connected with the same material as the cathode terminal 5A. By providing the lead 5B, the lead 5B is formed of a lead having a higher conductivity than the lead corresponding to the conventional cathode line with a conductive transparent film, that is, the same material as the cathode line 5A. As a result, it is possible to suppress the voltage drop that occurs due to the difference in the lead length for each cathode line, and thus it is possible to prevent the occurrence of uneven brightness in the light emitting section of the organic EL panel. In particular, as described above, by adopting the present invention in an organic EL panel having a plurality of electrodes (cathode lines 5A) in a limited space and having leads with a long routing distance, a particular effect is obtained. Also, lead 5B
When the cathode line 5A and the cathode line 5A are laminated in the same process, the above-described effects can be obtained without increasing the number of members and manufacturing processes.
【００２１】また、リード５Ｂは基板１の一辺に引き回
すための屈曲部５Ｃを有し、陰極端子２Ｃを基板１の一
辺に集中的に配設してなることにより、外部機器と容易
かつ信頼性よく電気的な接続を行うことができる。Further, the lead 5B has a bent portion 5C to be routed to one side of the substrate 1 and the cathode terminals 2C are concentratedly disposed on one side of the substrate 1, so that the lead 5B can be easily and reliably connected to an external device. A good electrical connection can be made.
【００２２】なお、本発明の実施の形態による陰極ライ
ン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、例えば、リブ３を設けずに
上述した実施の形態の陰極ライン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 cathode line 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. For example, the same shape as the cathode line 5A and the lead 5B of the above-described embodiment can be formed by patterning without providing the rib 3, and the same effect as that of the above-described embodiment can be obtained.
【００２３】また、本発明の実施の形態では、陽極ライ
ン及び陰極ラインが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、陽極ライン及び陰極ライン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、透光性の第１の電極（第１の電極ライン）と、少な
くとも発光層を含む有機ＥＬ層と、前記第１の電極より
も導電率が高い第２の電極（第２の電極ライン）とを順
次形成してなる有機ＥＬパネルであればよく、例えば、
発光部が日の字型となる所謂セグメント式のものであっ
ても適応でき、電極（第２の電極）から端子までの引き
回し距離の長いリードにおける電圧降下を積極的に抑え
ることにより、上述した実施の形態と同様の効果が得ら
れる。In the embodiment of the present invention, an organic EL panel having electrodes formed in a matrix in which anode lines and cathode lines are orthogonal to each other has been described as an example, but the present invention is not limited to this. For example, the anode line and the cathode line may intersect at a predetermined angle. Further, the present invention is, on a transparent substrate, a transparent first electrode (first electrode line), an organic EL layer including at least a light emitting layer, and a conductivity higher than that of the first electrode. It is sufficient if the organic EL panel is formed by sequentially forming the second electrode (second electrode line) having a high
It can be applied even if the light emitting portion is a so-called segment type in which the light emitting portion has a letter-like shape, and by positively suppressing the voltage drop in the lead having a long wiring distance from the electrode (second electrode) to the terminal, The same effect as the embodiment can be obtained.
【００２４】[0024]
【発明の効果】本発明は、透光性の基板上に、透光性の
第１の電極と、少なくとも発光層を含む有機ＥＬ層と、
前記第１の電極よりも導電率が高い第２の電極とを順次
形成してなる有機ＥＬパネルに関し、電圧降下の少ない
リードにて引き回し配線することにより、発光部の輝度
むらを抑制することが可能な有機ＥＬパネルを提供する
ことができる。According to the present invention, a transparent first electrode and an organic EL layer including at least a light emitting layer are provided on a transparent substrate.
Regarding an organic EL panel in which a second electrode having a conductivity higher than that of the first electrode is sequentially formed, it is possible to suppress luminance unevenness of a light emitting section by arranging a lead with a small voltage drop and wiring the lead. A possible organic EL panel can be provided.
【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.
１ 基板 ２ 導電性透明膜 ２Ａ 陽極ライン（第１の電極ライン） ２Ｃ 陰極端子（端子） ３ リブ（隔壁） ４ 有機層（有機ＥＬ層） ５Ａ 陰極ライン（第２の電極ライン） ５Ｂ リード ５Ｃ 屈曲部 1 substrate 2 Conductive transparent film 2A Anode line (first electrode line) 2C cathode terminal (terminal) 3 ribs (partition wall) 4 Organic layer (organic EL layer) 5A cathode line (second electrode line) 5B lead 5C bend
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 ＦＩ テーマコート゛(参考） Ｈ０５Ｂ 33/26 Ｈ０５Ｂ 33/26 Ｚ Ｆターム(参考） 3K007 AB02 AB17 AB18 BA06 CB01 CC05 DB03 FA02 5C094 AA04 AA48 AA55 BA27 CA19 DA13 DB03 EA05 EB02 FA01 FB01 FB12 FB20 ─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. 7 Identification code FI theme code (reference) H05B 33/26 H05B 33/26 ZF term (reference) 3K007 AB02 AB17 AB18 BA06 CB01 CC05 DB03 FA02 5C094 AA04 AA48 AA55 BA27 CA19 DA13 DB03 EA05 EB02 FA01 FB01 FB12 FB20
Claims (4)
と、少なくとも発光層を含む有機ＥＬ層と、前記第１の
電極よりも導電率が高い第２の電極とを順次形成してな
る有機ＥＬパネルであって、前記第２の電極に対応して
前記基板の端部に形成される端子と、前記第２の電極と
前記端子との間を前記第２の電極と同じ材料にて電気的
に接続するリードと、を備えてなることを特徴とする有
機ＥＬパネル。1. A light-transmitting substrate, a light-transmitting first electrode, an organic EL layer including at least a light-emitting layer, and a second electrode having a conductivity higher than that of the first electrode. It is an organic EL panel formed in order, Comprising: The terminal formed in the edge part of the said substrate corresponding to the said 2nd electrode, and the said 2nd electrode between the said 2nd electrode and the said terminal. An organic EL panel comprising a lead electrically connected with the same material as the above.
複数の第１の電極ラインと、少なくとも発光層を含む有
機層と、前記第１の電極ラインよりも導電率が高く、前
記第１の電極ラインと交差する複数の第２の電極ライン
とを順次形成してなる有機ＥＬパネルであって、前記第
２の電極ラインにそれぞれ対応して前記基板の端部に形
成される端子と、前記第２の電極ラインと前記端子との
間を前記第２の電極ラインと同じ材料にて電気的に接続
するリードと、を備えてなることを特徴とする有機ＥＬ
パネル。2. A plurality of first electrode lines made of a light-transmitting material, an organic layer including at least a light-emitting layer, and a conductivity higher than that of the first electrode lines on a light-transmitting substrate. An organic EL panel in which a plurality of second electrode lines intersecting with the first electrode lines are sequentially formed, and the organic EL panel is formed at an end portion of the substrate corresponding to each of the second electrode lines. An organic EL device comprising: a terminal; and a lead electrically connecting the second electrode line and the terminal with the same material as that of the second electrode line.
panel.
する隔壁を有し、前記隔壁によって、複数の前記端子に
対応する前記各リードが形成されてなることを特徴とす
る請求項２に記載の有機ＥＬパネル。3. A partition wall that electrically separates the second electrode lines from each other, and each lead corresponding to the plurality of terminals is formed by the partition wall. The organic EL panel described in 1.
ための屈曲部を有し、前記端子を前記基板の一辺に集中
的に配設してなることを特徴とする請求項１から請求項
３の何れかに記載の有機ＥＬパネル。4. The lead according to claim 1, wherein the lead has a bent portion for being routed to one side of the substrate, and the terminals are concentratedly disposed on one side of the substrate. The organic EL panel according to any one of 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001334544A JP2003142258A (en) | 2001-10-31 | 2001-10-31 | Organic el panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001334544A JP2003142258A (en) | 2001-10-31 | 2001-10-31 | Organic el panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2003142258A true JP2003142258A (en) | 2003-05-16 |
Family
ID=19149656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001334544A Pending JP2003142258A (en) | 2001-10-31 | 2001-10-31 | Organic el panel |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2003142258A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005191422A (en) * | 2003-12-26 | 2005-07-14 | Seiko Epson Corp | Circuit board, electro-optical device, and electronic apparatus |
| US7605393B2 (en) | 2003-12-08 | 2009-10-20 | Lg Eelctronics Inc. | Organic electro-luminance device and method for fabricating the same |
| JP2010014475A (en) * | 2008-07-02 | 2010-01-21 | Casio Comput Co Ltd | Light-emitting panel for indicator dial and method of manufacturing the same |
| KR101294843B1 (en) * | 2005-12-26 | 2013-08-08 | 엘지디스플레이 주식회사 | Light Emitting Diodes and Method of Manufacturing for the same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05275172A (en) * | 1991-12-30 | 1993-10-22 | Eastman Kodak Co | Light emitting device and manufacturing method thereof |
| JPH08315981A (en) * | 1995-03-13 | 1996-11-29 | Pioneer Electron Corp | Organic electroluminescence display panel and manufacturing method thereof |
| JP2000243577A (en) * | 1999-02-23 | 2000-09-08 | Fuji Electric Co Ltd | Organic thin film light emitting device |
| JP2000243558A (en) * | 1999-02-16 | 2000-09-08 | Tohoku Pioneer Corp | Light emitting display panel and method of manufacturing the same |
| JP2000357585A (en) * | 1999-06-14 | 2000-12-26 | Futaba Corp | Organic EL device |
-
2001
- 2001-10-31 JP JP2001334544A patent/JP2003142258A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05275172A (en) * | 1991-12-30 | 1993-10-22 | Eastman Kodak Co | Light emitting device and manufacturing method thereof |
| JPH08315981A (en) * | 1995-03-13 | 1996-11-29 | Pioneer Electron Corp | Organic electroluminescence display panel and manufacturing method thereof |
| JP2000243558A (en) * | 1999-02-16 | 2000-09-08 | Tohoku Pioneer Corp | Light emitting display panel and method of manufacturing the same |
| JP2000243577A (en) * | 1999-02-23 | 2000-09-08 | Fuji Electric Co Ltd | Organic thin film light emitting device |
| JP2000357585A (en) * | 1999-06-14 | 2000-12-26 | Futaba Corp | Organic EL device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7605393B2 (en) | 2003-12-08 | 2009-10-20 | Lg Eelctronics Inc. | Organic electro-luminance device and method for fabricating the same |
| US7858435B2 (en) | 2003-12-08 | 2010-12-28 | Lg Electronics Inc. | Organic electro-luminance device and method for fabricating the same |
| JP2005191422A (en) * | 2003-12-26 | 2005-07-14 | Seiko Epson Corp | Circuit board, electro-optical device, and electronic apparatus |
| KR101294843B1 (en) * | 2005-12-26 | 2013-08-08 | 엘지디스플레이 주식회사 | Light Emitting Diodes and Method of Manufacturing for the same |
| JP2010014475A (en) * | 2008-07-02 | 2010-01-21 | Casio Comput Co Ltd | Light-emitting panel for indicator dial and method of manufacturing the same |
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