JP2003157971A - Electroluminescence device - Google Patents

Electroluminescence device

Info

Publication number
JP2003157971A
JP2003157971A JP2001354549A JP2001354549A JP2003157971A JP 2003157971 A JP2003157971 A JP 2003157971A JP 2001354549 A JP2001354549 A JP 2001354549A JP 2001354549 A JP2001354549 A JP 2001354549A JP 2003157971 A JP2003157971 A JP 2003157971A
Authority
JP
Japan
Prior art keywords
electrode
cathode
anode
terminal portion
cathode terminal
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
Application number
JP2001354549A
Other languages
Japanese (ja)
Inventor
Hiroshi Okawa
洋 大川
Kazunori Sakai
一則 坂井
Hitoshi Wakai
仁資 若井
Raiei Cho
来英 張
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Seiki Co Ltd
Original Assignee
Nippon Seiki Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nippon Seiki Co Ltd filed Critical Nippon Seiki Co Ltd
Priority to JP2001354549A priority Critical patent/JP2003157971A/en
Publication of JP2003157971A publication Critical patent/JP2003157971A/en
Pending legal-status Critical Current

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  • Electroluminescent Light Sources (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide an electroluminescence device capable of emitting light with high brightness by reducing the electric resistance, and capable of reducing apprehension of wire disconnection at negative electrode side. SOLUTION: The electroluminescence device 15 comprises a substrate 16, a laminate 17, a positive electrode terminal part 18 electrically connected with a first electrode 21, and a negative electrode terminal part 19 electrically connected with a second electrode 24. The laminate 17 laminated on the substrate 16, has at least the first electrode 21, a light emitting layer, and the second electrode 24. The negative electrode terminal part 19 is connected to the second electrode 24 through a negative electrode lead part 21a of the first electrode 21.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【発明の属する技術分野】本発明は、第一電極と第二電
極の間に発光層を挟持した電界発光素子に関するもので
ある。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electroluminescent device having a light emitting layer sandwiched between a first electrode and a second electrode.

【0002】[0002]

【従来の技術】有機電界発光素子1は、ガラス基板2上
に積層体3を形成したものであり、この積層体3は、I
TO(Indium Tin Oxide)からなる透明電極4,ポリイ
ミド系のレジストからなる絶縁層5,有機層6,アルミ
ニウム(Al)等の金属からなる背面電極7を有する
(図7参照)。有機層6は正孔注入層,正孔輸送層,発
光層及び電子輸送層からなるものであり、透明電極4と
背面電極7に挟持されている。積層体3は封止ガラス8
に覆われており、この封止ガラス8はガラス基板2に接
着剤9により接着されている。
2. Description of the Related Art An organic electroluminescent device 1 comprises a glass substrate 2 and a laminated body 3 formed on the glass substrate 2.
It has a transparent electrode made of TO (Indium Tin Oxide) 4, an insulating layer 5 made of a polyimide resist, an organic layer 6, and a back electrode 7 made of a metal such as aluminum (Al) (see FIG. 7). The organic layer 6 is composed of a hole injection layer, a hole transport layer, a light emitting layer and an electron transport layer, and is sandwiched between the transparent electrode 4 and the back electrode 7. The laminated body 3 is the sealing glass 8
The sealing glass 8 is adhered to the glass substrate 2 with an adhesive 9.

【0003】透明電極4は、陽極端子部10に一部重な
るように形成されており、陽極端子部10に導通してい
る。背面電極7は、陰極端子部11に一部重なるように
形成されており、陰極端子部11に導通している。陽極
端子部10及び陰極端子部11は、クロム(Cr)等の
金属からなるものであり、ガラス基板2の端部まで延設
されている。電界発光素子1は、電源12を陽極端子部
10と陰極端子部11に接続することにより発光する。
The transparent electrode 4 is formed so as to partially overlap the anode terminal portion 10 and is electrically connected to the anode terminal portion 10. The back electrode 7 is formed so as to partially overlap the cathode terminal portion 11 and is electrically connected to the cathode terminal portion 11. The anode terminal portion 10 and the cathode terminal portion 11 are made of a metal such as chromium (Cr) and extend to the end portion of the glass substrate 2. The electroluminescent element 1 emits light by connecting the power supply 12 to the anode terminal portion 10 and the cathode terminal portion 11.

【0004】[0004]

【発明が解決しようとする課題】しかしながら、陰極側
において背面電極7(Al)と陰極端子部11(Cr)
のコンタクト抵抗が高いため、透明電極4と背面電極7
の間に印加される電圧が低くなり、所望の発光輝度が得
られないという問題を有していた。これは、背面電極7
と陰極端子部11の界面での電気抵抗が高いことが原因
であると推測される。また、背面電極7と陰極端子部1
1の密着性が低いため、背面電極7が陰極端子部11か
ら剥離し、陰極側が断線する虞があった。
However, the back electrode 7 (Al) and the cathode terminal portion 11 (Cr) are provided on the cathode side.
Since the contact resistance of is high, the transparent electrode 4 and the back electrode 7
There is a problem in that the voltage applied during the period becomes low and the desired emission brightness cannot be obtained. This is the back electrode 7
It is presumed that this is because the electric resistance at the interface between the cathode terminal portion 11 and the cathode terminal portion 11 is high. In addition, the back electrode 7 and the cathode terminal portion 1
Since the adhesiveness of No. 1 was low, the back electrode 7 might peel off from the cathode terminal portion 11 and the cathode side might be broken.

【0005】本発明は、上述の問題に鑑みなされたもの
であり、陰極側の電気抵抗を低くすることにより、高輝
度で発光することができる電界発光素子を提供するもの
である。また、本発明は、陰極側が断線する虞を低減で
きる電界発光素子を提供するものである。
The present invention has been made in view of the above problems, and provides an electroluminescent device capable of emitting light with high brightness by reducing the electric resistance on the cathode side. The present invention also provides an electroluminescent device that can reduce the risk of disconnection on the cathode side.

【0006】[0006]

【課題を解決するための手段】本発明は、前記課題を解
決するため、基板16,39と、少なくとも第一電極2
1,32,44と発光層23aと第二電極24,35,
47とを有し前記基板16,39に積層される積層体1
7,29,40と、前記第一電極21,32,44に導
通される陽極端子部18,30,41と、前記第二電極
24,35,47に導通される陰極端子部19,31,
42と、を有する電界発光素子15,28,38であっ
て、前記陰極端子部19,31,42は、前記第一電極
21,32,44を介して前記第二電極24,35,4
7に接続されるものである。
According to the present invention, in order to solve the above problems, the substrates 16 and 39 and at least the first electrode 2 are provided.
1, 32, 44, the light emitting layer 23a, and the second electrodes 24, 35,
And a laminated body 1 laminated on the substrates 16 and 39.
7, 29, 40, the anode terminal portions 18, 30, 41 conducted to the first electrodes 21, 32, 44, and the cathode terminal portions 19, 31, conducted to the second electrodes 24, 35, 47.
42 of the electroluminescent device 15, 28, 38, wherein the cathode terminal portions 19, 31, 42 have the second electrodes 24, 35, 4 via the first electrodes 21, 32, 44.
7 is connected.

【0007】また、本発明は、基板16,39と、少な
くとも第一電極21,32,44と発光層23aと第二
電極24,35,47とを有し前記基板16,39に積
層される積層体17,29,40と、前記第一電極2
1,32,44に導通される陽極端子部18,30,4
1と、前記第二電極24,35,47に導通される陰極
端子部19,31,42と、を有する電界発光素子1
5,28,38であって、前記陰極端子部19,31,
42と前記第二電極24,35,47を接続する陰極リ
ード部21a,32a,44aを設けたものである。
Further, the present invention has substrates 16 and 39, at least first electrodes 21, 32 and 44, a light emitting layer 23a, and second electrodes 24, 35 and 47, and is laminated on the substrates 16 and 39. Laminates 17, 29, 40 and the first electrode 2
Anode terminal portions 18, 30, 4 which are electrically connected to 1, 32, 44
1 and a cathode terminal portion 19, 31, 42 which is electrically connected to the second electrodes 24, 35, 47.
5, 28, 38, and the cathode terminal portions 19, 31,
42 is provided with cathode lead portions 21a, 32a, 44a for connecting the second electrode 24, 35, 47.

【0008】また、本発明は、少なくとも第一電極2
1,32,44と発光層23aと第二電極24,35,
47とを有する積層体17,29,40を基板16,3
9に積層した電界発光素子15,28,38であって、
前記第一電極21,32,44は、陽極部21b,32
b,44bに連設される陽極リード部21c,32c,
44cと、前記第二電極24,35,47に導通される
陰極リード部21a,32a,44aと、を有し、前記
陰極リード部21a,32a,44aに導通される陰極
端子部19,31,42を設けたことを特徴とする電界
発光素子。
The present invention also provides at least the first electrode 2.
1, 32, 44, the light emitting layer 23a, and the second electrodes 24, 35,
A laminated body 17, 29, 40 having a substrate 47,
The electroluminescent elements 15, 28, and 38 laminated on 9,
The first electrodes 21, 32, 44 have anode parts 21b, 32
b, 44b, the anode lead portions 21c, 32c,
44c and cathode lead portions 21a, 32a, 44a conducted to the second electrodes 24, 35, 47, and cathode terminal portions 19, 31, conducted to the cathode lead portions 21a, 32a, 44a. An electroluminescent device having 42.

【0009】また、本発明は、前記積層体17,29,
40は、前記第一電極21,32,44と前記第二電極
24,35,47を絶縁する絶縁層22,33,45を
有するものである。
Further, according to the present invention, the laminates 17, 29,
40 has insulating layers 22, 33, 45 for insulating the first electrodes 21, 32, 44 and the second electrodes 24, 35, 47 from each other.

【0010】また、本発明は、前記陰極端子部31,4
2は、前記陰極リード部32a,44aに積層されてい
るものである。
Further, according to the present invention, the cathode terminal portions 31, 4 are provided.
2 is laminated on the cathode lead portions 32a and 44a.

【0011】また、本発明は、前記絶縁層45は、前記
陰極リード部44aと前記第二電極47が対向する領域
の一部にコンタクトホール45bを有するものである。
Further, according to the present invention, the insulating layer 45 has a contact hole 45b in a part of a region where the cathode lead portion 44a and the second electrode 47 face each other.

【0012】[0012]

【発明の実施の形態】以下、添付の図面に基いて、本発
明の一実施形態を説明する。図1及び図2は第一実施形
態を示す図である。有機電界発光素子15は、ガラス基
板16(基板),積層体17,陽極端子部18,陰極端
子部19,封止ガラス20を有している。積層体17
は、ITO(Indium Tin Oxide)からなる透明電極21
(第一電極),ポリイミド系のレジストからなる絶縁層
22,有機層23,アルミニウム等の金属からなる背面
電極24(第二電極)からなるものであり、ガラス基板
16の後面に蒸着法により順次積層形成されている。
DETAILED DESCRIPTION OF THE INVENTION An embodiment of the present invention will be described below with reference to the accompanying drawings. 1 and 2 are diagrams showing a first embodiment. The organic electroluminescence device 15 has a glass substrate 16 (substrate), a laminated body 17, an anode terminal portion 18, a cathode terminal portion 19, and a sealing glass 20. Laminate 17
Is a transparent electrode 21 made of ITO (Indium Tin Oxide)
(First electrode), insulating layer 22 made of polyimide resist, organic layer 23, and back electrode 24 (second electrode) made of metal such as aluminum, which are sequentially formed on the rear surface of the glass substrate 16 by a vapor deposition method. It is formed by stacking.

【0013】透明電極21は陰極リード部21a,陽極
部21b及び陽極リード部21cを有しており、有機層
23は陽極部21bと背面電極24に挟持されている。
有機層23は少なくとも発光層23aを有するものであ
るが、有機層23に正孔注入層23b,正孔輸送層23
c及び電子輸送層23dを設けても良い(図2参照)。
陽極端子部18及び陰極端子部19は、クロム(Cr)
等の金属からなるものである。絶縁層22は、透明電極
21の陽極部21b及び陽極リード部21cと、背面電
極24が短絡することを防ぐものである。
The transparent electrode 21 has a cathode lead portion 21a, an anode portion 21b and an anode lead portion 21c, and the organic layer 23 is sandwiched between the anode portion 21b and the back electrode 24.
The organic layer 23 has at least a light emitting layer 23a, and the organic layer 23 includes a hole injection layer 23b and a hole transport layer 23.
c and the electron transport layer 23d may be provided (see FIG. 2).
The anode terminal portion 18 and the cathode terminal portion 19 are made of chromium (Cr).
And the like. The insulating layer 22 prevents the anode part 21b and the anode lead part 21c of the transparent electrode 21 and the back electrode 24 from being short-circuited.

【0014】25は紫外線硬化型の接着剤であり、この
接着剤25によりガラス基板16の後面と封止ガラス2
0の接着面とが接着される。封止ガラス20には凹部2
0aが形成されており、この凹部20aで積層体17を
覆う。
Reference numeral 25 denotes an ultraviolet-curing type adhesive, and this adhesive 25 allows the rear surface of the glass substrate 16 and the sealing glass 2.
The 0 bonding surface is bonded. The recess 2 is formed in the sealing glass 20.
0a is formed, and the laminated body 17 is covered with the recess 20a.

【0015】陽極リード部21cは陽極端子部18に一
部重なるように形成されており、陽極端子部18は陽極
リード部21c及び陽極部21bに導通している。陰極
端子部19は、陰極リード部21aを介して背面電極2
4に接続されている。陰極リード部21aは、陰極端子
部19に一部重なるように形成されている。
The anode lead portion 21c is formed so as to partially overlap the anode terminal portion 18, and the anode terminal portion 18 is electrically connected to the anode lead portion 21c and the anode portion 21b. The cathode terminal portion 19 is connected to the back electrode 2 via the cathode lead portion 21a.
4 is connected. The cathode lead portion 21 a is formed so as to partially overlap the cathode terminal portion 19.

【0016】図3は、第二実施形態を示す図である。第
一実施形態と同一の個所には同一の符号を付しその詳細
な説明を省略する。有機電界発光素子28は、ガラス基
板16,積層体29,陽極端子部30,陰極端子部3
1,封止ガラス20を有している。積層体29は、透明
電極32(第一電極),絶縁層33,有機層23,背面
電極35(第二電極)からなるものである。
FIG. 3 is a diagram showing a second embodiment. The same parts as those of the first embodiment are designated by the same reference numerals, and detailed description thereof will be omitted. The organic electroluminescent device 28 includes a glass substrate 16, a laminated body 29, an anode terminal portion 30, and a cathode terminal portion 3.
1, having a sealing glass 20. The laminated body 29 includes a transparent electrode 32 (first electrode), an insulating layer 33, an organic layer 23, and a back electrode 35 (second electrode).

【0017】透明電極32は、陰極リード部32a,陽
極部32b及び陽極リード部32cを有している。陽極
端子部30は、陽極リード部32cに積層されており、
陽極リード部32c及び陽極部32bと導通している。
陰極端子部31は、陰極リード部32aに積層されてお
り、背面電極35と導通している。
The transparent electrode 32 has a cathode lead portion 32a, an anode portion 32b and an anode lead portion 32c. The anode terminal portion 30 is laminated on the anode lead portion 32c,
It is electrically connected to the anode lead portion 32c and the anode portion 32b.
The cathode terminal portion 31 is laminated on the cathode lead portion 32 a and is electrically connected to the back electrode 35.

【0018】図4乃至図6は、第三実施形態を示す図で
ある。有機電界発光素子38は、ガラス基板39(基
板),積層体40,陽極端子部41,陰極端子部42,
封止ガラス43を有している。積層体40は、ITOか
らなる透明電極44(第一電極),ポリイミド系のレジ
ストからなる絶縁層45,有機層46,アルミニウム等
の金属からなる背面電極47(第二電極)からなるもの
であり、ガラス基板38の後面に蒸着法により順次積層
形成されている。有機層46は少なくとも発光層を有す
るものであるが、有機層46に正孔注入層,正孔輸送層
及び電子輸送層を設けても良い。陽極端子部41及び陰
極端子部42は、クロム(Cr)等の金属からなるもの
である。
4 to 6 are views showing a third embodiment. The organic electroluminescent device 38 includes a glass substrate 39 (substrate), a laminated body 40, an anode terminal portion 41, a cathode terminal portion 42,
It has a sealing glass 43. The laminated body 40 includes a transparent electrode 44 (first electrode) made of ITO, an insulating layer 45 made of a polyimide resist, an organic layer 46, and a back electrode 47 (second electrode) made of a metal such as aluminum. The glass substrate 38 is sequentially laminated on the rear surface of the glass substrate 38 by an evaporation method. The organic layer 46 has at least a light emitting layer, but the organic layer 46 may be provided with a hole injection layer, a hole transport layer, and an electron transport layer. The anode terminal portion 41 and the cathode terminal portion 42 are made of metal such as chromium (Cr).

【0019】透明電極44は、陰極リード部44aと、
陽極部44bと、陽極部44bに連なる陽極リード部4
4cとを有している。陽極部44bは日字形に配設され
ており、この陽極部44bに各々陽極リード部44cが
連設されている。陽極リード部44cはガラス基板39
の一辺側に引き回されている。
The transparent electrode 44 has a cathode lead portion 44a,
Anode part 44b and anode lead part 4 connected to the anode part 44b
4c and. The anode portions 44b are arranged in a letter shape, and the anode lead portions 44c are connected to the anode portions 44b, respectively. The anode lead portion 44c is the glass substrate 39.
Is routed to one side.

【0020】透明電極44の陽極リード部44cは、絶
縁層45により背面電極47と絶縁されている。絶縁層
45には、透明電極44の陽極部44bに対応する箇所
に開口部45aが設けられている。絶縁層45は、陽極
部44bの周縁部と若干重なるように形成されている。
The anode lead portion 44c of the transparent electrode 44 is insulated from the back electrode 47 by the insulating layer 45. The insulating layer 45 is provided with an opening 45a at a position corresponding to the anode part 44b of the transparent electrode 44. The insulating layer 45 is formed so as to slightly overlap the peripheral portion of the anode portion 44b.

【0021】絶縁層45は陰極端子部42に一部重なる
ように形成されており、絶縁層45には矩形のコンタク
トホール45bが設けられている(図6参照)。コンタ
クトホール45bは陰極リード部44aに対応する箇所
に形成されており、このコンタクトホール45bで背面
電極47が陰極リード部44aと導通される。48は紫
外線硬化型の接着剤であり、この接着剤48によりガラ
ス基板39の後面と封止ガラス13の接着面とが接着さ
れる。
The insulating layer 45 is formed so as to partially overlap the cathode terminal portion 42, and the insulating layer 45 is provided with a rectangular contact hole 45b (see FIG. 6). The contact hole 45b is formed at a position corresponding to the cathode lead portion 44a, and the back electrode 47 is electrically connected to the cathode lead portion 44a through the contact hole 45b. Reference numeral 48 denotes an ultraviolet curing adhesive, and the adhesive 48 bonds the rear surface of the glass substrate 39 and the bonding surface of the sealing glass 13.

【0022】本発明は、透明電極21,32,44を介
して、陰極端子部19,31,42を背面電極24,3
5,47に接続すると、コンタクト抵抗が低くなること
に着目してなされたものであり、各実施形態によれば、
ITOからなる透明電極21,32,44の陰極リード
部21a,32a,44aを介して、陰極端子部19,
31,42と背面電極24,35,47とを接続するこ
とにより、陰極側の電気抵抗が低くなり、電界発光素子
15,28,38の発光輝度を高くすることができる。
また、陰極リード部21a,32a,44aと背面電極
24,35,47の密着性が良いため、背面電極が2
4,35,47が剥離する虞が小さい。
According to the present invention, the cathode terminals 19, 31, 42 are connected to the back electrodes 24, 3 via the transparent electrodes 21, 32, 44.
This is done by paying attention to the fact that the contact resistance becomes low when connected to 5, 47. According to each embodiment,
Via the cathode lead portions 21a, 32a, 44a of the transparent electrodes 21, 32, 44 made of ITO, the cathode terminal portion 19,
By connecting the back electrodes 24, 35, and 47 to the back electrodes 31, 42, the electric resistance on the cathode side is reduced, and the emission brightness of the electroluminescent elements 15, 28, 38 can be increased.
Further, since the cathode lead portions 21a, 32a, 44a and the back electrodes 24, 35, 47 have good adhesion, the back electrodes are
There is little risk of peeling of 4, 35, 47.

【0023】[0023]

【発明の効果】本発明は、基板と、少なくとも第一電極
と発光層と第二電極とを有し前記基板に積層される積層
体と、前記第一電極に導通される陽極端子部と、前記第
二電極に導通される陰極端子部と、を有する電界発光素
子であって、前記陰極端子部は、前記第一電極を介して
前記第二電極に接続されるものであり、陰極側の電気抵
抗を低くすることにより、発光輝度を高くすることがで
き、且つ、陰極側が断線する虞を低減できる。
According to the present invention, a substrate, a laminate having at least a first electrode, a light emitting layer and a second electrode and laminated on the substrate, and an anode terminal portion electrically connected to the first electrode, A cathode terminal portion which is electrically connected to the second electrode, wherein the cathode terminal portion is connected to the second electrode through the first electrode, and the cathode side By reducing the electric resistance, it is possible to increase the emission brightness and reduce the risk of disconnection on the cathode side.

【0024】また、本発明は、基板と、少なくとも第一
電極と発光層と第二電極とを有し前記基板に積層される
積層体と、前記第一電極に導通される陽極端子部と、前
記第二電極に導通される陰極端子部と、を有する電界発
光素子であって、前記陰極端子部と前記第二電極を接続
する陰極リード部を設けたものであり、陰極側の電気抵
抗を低くすることにより、発光輝度を高くすることがで
き、且つ、陰極側が断線する虞を低減できる。
Further, according to the present invention, a substrate, a laminate having at least a first electrode, a light emitting layer and a second electrode and laminated on the substrate, and an anode terminal portion electrically connected to the first electrode, A cathode terminal portion electrically connected to the second electrode, and an electroluminescent device having a cathode lead portion connecting the cathode terminal portion and the second electrode, wherein an electric resistance on the cathode side is provided. By lowering it, it is possible to increase the emission brightness and reduce the risk of disconnection on the cathode side.

【0025】また、本発明は、少なくとも第一電極と発
光層と第二電極とを有する積層体を基板に積層した電界
発光素子であって、前記第一電極は、陽極部に連設され
る陽極リード部と、前記第二電極に導通される陰極リー
ド部と、を有し、前記陰極リード部に導通される陰極端
子部を設けたものであり、陰極側の電気抵抗を低くする
ことにより、発光輝度を高くすることができ、且つ、陰
極側が断線する虞を低減できる。
Further, the present invention is an electroluminescent device in which a laminated body having at least a first electrode, a light emitting layer and a second electrode is laminated on a substrate, and the first electrode is connected to an anode part. By providing an anode lead portion and a cathode lead portion electrically connected to the second electrode, and providing a cathode terminal portion electrically connected to the cathode lead portion, by lowering the electric resistance on the cathode side. In addition, it is possible to increase the emission brightness and reduce the risk of disconnection on the cathode side.

【図面の簡単な説明】[Brief description of drawings]

【図1】 本発明の第一実施形態を示す断面図。FIG. 1 is a sectional view showing a first embodiment of the present invention.

【図2】 同上実施形態を示す有機層の拡大断面図。FIG. 2 is an enlarged cross-sectional view of an organic layer showing the embodiment.

【図3】 本発明の第二実施形態を示す断面図。FIG. 3 is a sectional view showing a second embodiment of the present invention.

【図4】 本発明の第三実施形態を示す分解斜視図。FIG. 4 is an exploded perspective view showing a third embodiment of the present invention.

【図5】 同上実施形態を示す正面図。FIG. 5 is a front view showing the embodiment.

【図6】 同上実施形態を示す要部断面図。FIG. 6 is a sectional view of an essential part showing the embodiment.

【図7】 従来例を示す断面図。FIG. 7 is a sectional view showing a conventional example.

【符号の説明】[Explanation of symbols]

15 電界発光素子 16 基板 17 積層体 18 陽極端子部 19 陰極端子部 21 透明電極(第一電極) 21a 陰極リード部 21b 陽極部 21c 陽極リード部 22 絶縁層 23a 発光層 24 背面電極(第二電極) 28 電界発光素子 29 積層体 30 陽極端子部 31 陰極端子部 32 透明電極(第一電極) 32a 陰極リード部 32b 陽極部 32c 陽極リード部 33 絶縁層 35 背面電極(第二電極) 38 電界発光素子 39 基板 40 積層体 41 陽極端子部 42 陰極端子部 44 透明電極(第一電極) 44a 陰極リード部 44b 陽極部 44c 陽極リード部 45 絶縁層 45b コンタクトホール 47 背面電極(第二電極) 15 Electroluminescent device 16 substrates 17 laminate 18 Anode terminal 19 Cathode terminal 21 Transparent electrode (first electrode) 21a cathode lead part 21b Anode part 21c Anode lead part 22 Insulation layer 23a Light emitting layer 24 Back electrode (second electrode) 28 Electroluminescent device 29 laminate 30 Anode terminal 31 Cathode terminal 32 Transparent electrode (first electrode) 32a cathode lead part 32b Anode part 32c Anode lead part 33 insulating layer 35 Back electrode (second electrode) 38 electroluminescent device 39 substrate 40 laminate 41 Anode terminal 42 Cathode terminal 44 Transparent electrode (first electrode) 44a Cathode lead part 44b Anode part 44c Anode lead part 45 insulating layer 45b contact hole 47 Back electrode (second electrode)

───────────────────────────────────────────────────── フロントページの続き (72)発明者 張 来英 新潟県長岡市藤橋1丁目190番地1 日本 精機株式会社アールアンドデイセンター内 Fターム(参考) 3K007 AB02 AB06 AB15 AB17 BB01 CB01 CC05 DB03 EB00 5C094 AA04 AA24 AA32 AA43 AA48 BA27 DA13 DB01 DB02 EA05 EB02 FA01 FA02 FB01 FB12 FB20    ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Zhang Yi             1-1 190 Fujihashi, Nagaoka City, Niigata Prefecture Japan             Seiki Co., Ltd. R & D Center F term (reference) 3K007 AB02 AB06 AB15 AB17 BB01                       CB01 CC05 DB03 EB00                 5C094 AA04 AA24 AA32 AA43 AA48                       BA27 DA13 DB01 DB02 EA05                       EB02 FA01 FA02 FB01 FB12                       FB20

Claims (6)

【特許請求の範囲】[Claims] 【請求項1】 基板と、少なくとも第一電極と発光層と
第二電極とを有し前記基板に積層される積層体と、前記
第一電極に導通される陽極端子部と、前記第二電極に導
通される陰極端子部と、を有する電界発光素子であっ
て、前記陰極端子部は、前記第一電極を介して前記第二
電極に接続されることを特徴とする電界発光素子。
1. A substrate, a laminate having at least a first electrode, a light emitting layer, and a second electrode and laminated on the substrate, an anode terminal portion electrically connected to the first electrode, and the second electrode. An electroluminescent device having a cathode terminal portion electrically connected to the cathode terminal portion, wherein the cathode terminal portion is connected to the second electrode via the first electrode.
【請求項2】 基板と、少なくとも第一電極と発光層と
第二電極とを有し前記基板に積層される積層体と、前記
第一電極に導通される陽極端子部と、前記第二電極に導
通される陰極端子部と、を有する電界発光素子であっ
て、前記陰極端子部と前記第二電極を接続する陰極リー
ド部を設けたことを特徴とする電界発光素子。
2. A substrate, a laminated body having at least a first electrode, a light emitting layer, and a second electrode, which is laminated on the substrate, an anode terminal portion electrically connected to the first electrode, and the second electrode. An electroluminescent device having a cathode terminal part electrically connected to the cathode terminal part, which is provided with a cathode lead part for connecting the cathode terminal part and the second electrode.
【請求項3】 少なくとも第一電極と発光層と第二電極
とを有する積層体を基板に積層した電界発光素子であっ
て、 前記第一電極は、陽極部に連設される陽極リード部と、
前記第二電極に導通される陰極リード部と、を有し、 前記陰極リード部に導通される陰極端子部を設けたこと
を特徴とする電界発光素子。
3. An electroluminescent device in which a laminate having at least a first electrode, a light emitting layer, and a second electrode is laminated on a substrate, wherein the first electrode is an anode lead portion that is connected to an anode portion. ,
An electroluminescent device, comprising: a cathode lead portion conducted to the second electrode; and a cathode terminal portion conducted to the cathode lead portion.
【請求項4】 請求項1,請求項2または請求項3に記
載の電界発光素子において、前記積層体は、前記第一電
極と前記第二電極を絶縁する絶縁層を有することを特徴
とする電界発光素子。
4. The electroluminescent element according to claim 1, 2, or 3, wherein the laminated body has an insulating layer that insulates the first electrode and the second electrode. Electroluminescent device.
【請求項5】 請求項2,請求項3または請求項4に記
載の電界発光素子において、前記陰極端子部は、前記陰
極リード部に積層されていることを特徴とする電界発光
素子。
5. The electroluminescent element according to claim 2, 3 or 4, wherein the cathode terminal portion is laminated on the cathode lead portion.
【請求項6】 請求項5に記載の電界発光素子におい
て、前記絶縁層は、前記陰極リード部と前記第二電極が
対向する領域の一部にコンタクトホールを有することを
特徴とする電界発光素子。
6. The electroluminescent device according to claim 5, wherein the insulating layer has a contact hole in a part of a region where the cathode lead portion and the second electrode face each other. .
JP2001354549A 2001-11-20 2001-11-20 Electroluminescence device Pending JP2003157971A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2001354549A JP2003157971A (en) 2001-11-20 2001-11-20 Electroluminescence device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001354549A JP2003157971A (en) 2001-11-20 2001-11-20 Electroluminescence device

Publications (1)

Publication Number Publication Date
JP2003157971A true JP2003157971A (en) 2003-05-30

Family

ID=19166394

Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
JP (1) JP2003157971A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008305810A (en) * 2004-07-02 2008-12-18 Samsung Sdi Co Ltd Electroluminescence device
US7576482B2 (en) 2005-07-30 2009-08-18 Samsung Mobile Display Co., Ltd. Flat panel display device comprising an electrically conductive layer between a display area and an outer area and method of manufacturing the same
US7791267B2 (en) 2006-09-15 2010-09-07 Samsung Mobile Display Co., Ltd. Organic light emitting display and method of fabricating the same

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008305810A (en) * 2004-07-02 2008-12-18 Samsung Sdi Co Ltd Electroluminescence device
US7576482B2 (en) 2005-07-30 2009-08-18 Samsung Mobile Display Co., Ltd. Flat panel display device comprising an electrically conductive layer between a display area and an outer area and method of manufacturing the same
US7791267B2 (en) 2006-09-15 2010-09-07 Samsung Mobile Display Co., Ltd. Organic light emitting display and method of fabricating the same

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