JPS60117593A - Display unit - Google Patents

Display unit

Info

Publication number
JPS60117593A
JPS60117593A JP58223107A JP22310783A JPS60117593A JP S60117593 A JPS60117593 A JP S60117593A JP 58223107 A JP58223107 A JP 58223107A JP 22310783 A JP22310783 A JP 22310783A JP S60117593 A JPS60117593 A JP S60117593A
Authority
JP
Japan
Prior art keywords
layer
display
electrode material
electrode
aluminum
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
JP58223107A
Other languages
Japanese (ja)
Inventor
泰史 大川
沖 賢一
三浦 照信
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP58223107A priority Critical patent/JPS60117593A/en
Publication of JPS60117593A publication Critical patent/JPS60117593A/en
Pending legal-status Critical Current

Links

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。
(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【発明の詳細な説明】 発明の技術分野 本発明は表示装置に係り、特にM 41v、 −h V
こ配置1t/ シた電極上に発光層及び絶縁層を含b 
ld I、素子e〔−関するものである。
DETAILED DESCRIPTION OF THE INVENTION Technical Field of the Invention The present invention relates to display devices, and in particular to M 41v, -h V
This arrangement 1t/ includes a light emitting layer and an insulating layer on the bottom electrode.
ld I, element e[-.

技術の背景 表示装置、特に表示媒体が薄膜によって構成される薄膜
エレクトロルミネッーセン) 、(−、、E L−)素
子が文字やグラフインク表示用として高解像度化可能、
全固体、見やすい等の利点から開発が進められてい/)
Background of the technology Display devices, especially thin film electroluminescent (-, E L-) elements in which the display medium is composed of a thin film, can achieve high resolution for displaying characters and graph ink.
Development is progressing due to its advantages such as being all solid and easy to see/)
.

従来1ジ術と間1+lr1点 従来、声I膜+1; L素子VCおいて基板側の表示電
極V)エノ’ ihl V(、’ :I:・いてその段
差のために該表示電極の1一部(+(、llt成、きれ
た絶縁膜1発光層及び上部電極−2・3表・ドが、11
1ζイ「(1“・)成rる各薄膜に亀裂が生じ破壊がバ
弓すマ′−4が−・/こ。
Conventionally, between 1 point and 1 point between 1 point and 1 point, voice I membrane + 1; In L element VC, the display electrode on the substrate side V) part (+(,
Cracks occur in each of the thin films formed by 1ζa'(1'・), leading to destruction.

tel’−1l!ソl (’、l’、 7+lt米の表
示装置全説明するための概略1i111面図L:、l’
、lす、 4;tに衣7」<1に極段差刊近で(OF、
L素子イc/Iり”4゜第1図(〆(おい−C11はセ
ラミンク。
tel'-1l! Sol (', l', 7+lt US display device schematic 1i111 side view L:, l'
, lsu, 4; t to clothes 7''
L element Ic/Iri"4゜Figure 1 (〆(Oi-C11 is Ceramink.

8 i 02.、l;の、!+(1!−(’、あり、2
はアルミニウム号からなる人小市(i9i、3及び5は
酸化イツトリウム(Y2O3):5・から々る絶縁11
゛ツ、4はZ nS i M o谷からなる発光IC1
,・ぞ−1て(]&、I酵化インジウム(10203)
寺からなる上部電極−(ある。表示′電極2のエツジ部
の段差でt、1各1(・jの蒸メf時のステップカバレ
ージが恋いkめfH,を構成する3〜6の各層に亀裂7
が生じゃすくイかに基によ−る断線が発生した。−また
このような表示電極エツジH’lXの殴1’r・會1(
,1月1し、各層の蒸ヅ^i・時のステップカバレーン
を向上させる方法として表示電極エツジに1−バを持た
1!:るζ、とが閏えられるが該テーバIAの1IIl
l +r+nが困9111であり、微A1Bパターンで
は断線が生じるという問題があった。
8 i 02. ,l;'s,! +(1!-(', Yes, 2
is made of aluminum (i9i, 3 and 5 are yttrium oxide (Y2O3): 5, Karagaru insulation 11
゛, 4 is a light emitting IC 1 consisting of ZnS i Mo valley
,・zo-1te(]&,I fermented indium (10203)
The upper electrode consists of a layer (there is a step at the edge of the electrode 2). crack 7
However, a wire breakage occurred due to raw jack crabs. - Also, such a display electrode edge H'l
, January 1, and as a way to improve the step coverage of each layer, a 1-bar is placed at the edge of the display electrode. : ζ, is included, but 1IIl of the Theba IA
l+r+n is 9111, and there is a problem that wire breakage occurs in the fine A1B pattern.

発明の目的 上記欠点を鑑み本発明の目的げ光示i1Xの破壊な。Purpose of invention In view of the above drawbacks, it is an object of the present invention to destroy the optical display i1X.

防止した表示装vk提供することである。The purpose of the present invention is to provide a display device vk that prevents the above.

−また本発明の他の目的に表73<媒体の’1!? P
11i+l十を図った表示装置idを提供することであ
石。
- Also, for other purposes of the present invention, Table 73<'1 of the medium! ? P
11i+l0 by providing a display device ID.

発明の構成 本発明の目的は基板上〇で配設した′屯111只トに発
)7:層及び絶縁r¥Jを含んでなるエレクトロルミネ
ッセント型表示装置において、l〕fl Mi2電極材
料が陽極酸化可能な+A料でめ9,5に電極材料を選択
陽極酸化することにより電(り以外の該電極拐料+:<
S分を絶縁物化して衆示都の平坦化を図ったこと台:特
徴とするエレクトロルミネッセント型表示141id(
Itこ↓−)て達成される。
DESCRIPTION OF THE INVENTION The object of the present invention is to provide an electroluminescent display device comprising a layer and an insulating layer disposed on a substrate. By selectively anodizing the electrode material in 9, 5 with +A material that can be anodized, the electrode material other than the electrode material +: <
The S component was made into an insulator to flatten the display area.
It is achieved by this ↓-).

1シト・1・発明(1)実1tD+ 1膜11金図而に
基ついて1説明する。
1. 1. Invention (1) An explanation will be given based on the actual 1tD+ 1 film 11 gold design.

!、1′121ツl 11本冗明の−W施例を示す概略
断面図である。
! , 1'121 is a schematic cross-sectional view showing a -W embodiment with 11 points.

140月・/It〆r= 、+: nばノ、(、イに1
−にに表示電極アルミニウム層に及び’rV ハI’l
アルミナ(Afls+Os) 膜11ノ2m層が多孔′
はアルミツー1t+713に平坦性よく配設されている
。′・)照相歇・1.5及び6は第1図の同一め照?r
+弓2:回−のものを7バしている・1膜m丁第2図に
小し/こ人す、+j f&ll k形成する方法を第3
Alcいし弔:i+l゛ス1イ[用いて説明する。
140 month/It〆r= , +: nbano, (, 1
- to the display electrode aluminum layer and 'rV hi'l
Alumina (Afls+Os) Membrane 11, 2m layer is porous
is arranged on Aluminum Two 1t+713 with good flatness. '・) Is 1.5 and 6 the same reference in Figure 1? r
+ Bow 2: 7 times - one is 1 membrane m d 2 small / this person, + j f & ll k formation method 3
Alc Ishi Mourning: i + l゛ ゛ 1 I [Explain using.

T、(’、 :lへ図((、’ /1<−ツエっvc、
例えばセラミックからなるノ1ζ極1」二VC,15’
lえば一アルミニウムのような陽4+ f*わ1」1止
な′山;(傘伺和ゆλらなるアルミニウム1曽8を蒸着
存により形成し1次に該アルミニウム層8の表面ff:
陽極酸化して、多孔質Al2O2膜9を形成し、電極と
し−て残す部分以外をフォトレジスト10で岐+3する
。−1=’aiX:陽極酸化においてンユウ峻がイf:
化成t1りとl、C用いる。
T, (', :l to figure((,'/1<-Tsvc,
For example, 1ζ pole 1''2 VC, 15' made of ceramic
For example, an aluminum layer 8 having the shape of 4 + f*wa 1'' such as aluminum is formed by vapor deposition, and then the surface ff of the aluminum layer 8 is formed by vapor deposition.
A porous Al2O2 film 9 is formed by anodic oxidation, and the portions other than those to be left as electrodes are covered with photoresist 10. -1='aiX: If the sharpness in anodic oxidation is:
Chemical t1 and l, C are used.

次Vこ・、1!;う1(図に71<丈、l:9に蕗出し
た多孔′aA p、20311’+Q ?i・、硼t′
鍾アン七ニウム青倉用いて賜4り酸化することによって
緻密な複合性AR20g膜11の絶縁物に変化させ、フ
引トレジスト10全除去する。該複合性A12o3Bq
 11):I陽極酸化のマスクとなυ妊らにELの基4
反1則肩/!縁IMI (’ニなる。
Next V...1! ; U1 (71<length in the figure, porous hole ′aA p, 20311′+Q ?i・, 硼t′
By oxidizing the insulating film using Aokura, it is changed into a dense composite AR20g film 11 insulating material, and the blown resist 10 is completely removed. The composite A12o3Bq
11): As a mask for I anodic oxidation, the EL group 4
Against the first rule /! En IMI ('ni naru.

次に第3C図に示すように陽極酸化による蓚几質Afi
203膜9下のアルミニウムは(+!! 4帽佼化)に
よって該AJi2 o3膜9を含めて多孔質ALzOg
ll:々13になる。12は表示電極として残ったアル
ミニウムである。
Next, as shown in FIG.
The aluminum under the 203 film 9 is porous including the AJi2 o3 film 9 due to (+!!4 capping).
ll: 13. 12 is aluminum remaining as a display electrode.

jL4 K ZnS IMn、=gの発光層4.Y2O
3等の絶縁層5及びIn2O3等の上部′il]X極6
奮蒸カ°ン4rによって形成して前述の第2図にボし7
た摺造となる。
jL4 K ZnS IMn,=g light-emitting layer 4. Y2O
Insulating layer 5 of In2O3 etc.
Formed by steaming cann 4r and marked 7 in FIG. 2 above.
It became Tasurizuko.

第4図は本発明のflMの)!:施レしを71くずもの
でせり代Afi203膜11上に更に Y 20.、;
・j;び);I(’; 縁111−% :(イ管:形成
した擦合絶縁層+1η造にしても」−い。この’3A 
Fi l:汀素子の特性特に飽和輝度寺をり駆回1、)
1かるr−4が出来る。
FIG. 4 shows the flM of the present invention)! : Apply 71 scraps on the edge Afi 203 film 11 Y 20. , ;
・J; Bi); I('; Edge 111-%: (A tube: Even if the formed rubbing insulating layer + 1η structure is used.) This '3A
Fi l: Characteristics of the horizontal element, especially the saturation luminance ratio (1)
1 k r-4 can be made.

発明の詳細 な説明したように表示組+1針エツジの段差がなくなり
1表示部の破壊を防止することが出来、更vc選11<
r19化下、141!VCヨツて緻密なA角縁層klN
、素イ絶縁層と1.−C用いることが出来るので表示媒
体の/I+ l’l: P;< 4:n 1lr(t 
1.u: 、 制破壊性停ヲ向上すセルCト;/+lL
l来る。
As described in detail of the invention, the level difference between the display set + 1 needle edge is eliminated, and damage to the 1 display section can be prevented, and the change in vc selection 11<
Under r19, 141! VC and dense A limbal layer klN
, a plain insulating layer and 1. -C can be used, so /I+ l'l of the display medium: P; < 4:n 1lr(t
1. u: , Cell C which improves destruction resistance; /+lL
I'm coming.

4 1”1面の削1中なttR,明 ・j1日I!yI )、l従来の表示装置を説明するた
めの(1:℃略断面1゛Yl°(!、5す、第2図は本
発明の一夾施fり1(をポす概略断面図で4うり、第3
A図ないし第3c図は第21シIに示した不発明の一笑
施例の形成法を示す概略−1’]4’:!i+J’l 
1ljj図であり、第4図は本発明の他の実施例4: 
/+<−j」+!’c略IJi +lii図である。
4 1" 1 side being cut 1 ttR, Ming. j 1st I!yI), l To explain the conventional display device (1: ℃ approximate cross section 1゛Yl° (!, 5s, Fig. 2) is a schematic cross-sectional view showing the first application of the present invention.
Figures A to 3c are schematic diagrams showing the method of forming the non-inventive mocking embodiment shown in Section 21-1-1']4':! i+J'l
FIG. 4 is another embodiment 4 of the present invention:
/+<-j”+! 'c is an abbreviated IJi +lii diagram.

1・・’+l; 4k 、 2・・・表示電極。1...'+l; 4k, 2... Display electrode.

3.5−・絶縁1t’fi 、 4・・発光層。3.5--Insulation 1t'fi, 4--Light emitting layer.

1i・l−+;It電極、7・・段差。1i·l-+; It electrode, 7... step.

)3 ノ′ルミニウム層、9・・多孔ノ改A fi20
3膜。
)3 No'luminium layer, 9... Porous modification A fi20
3 membranes.

I tl ・7 :’l’ l・l/シスト、11−?
tN合tA:A I’20s IILl 2− :/4
zl<市、4軟アルミニウム。
I tl ・7: 'l' l・l/cyst, 11-?
tN combination tA:A I'20s IILl 2- :/4
zl<city, 4 soft aluminum.

1;(・ 多孔’#!1.’ A Q 203膜。1; (・Porous '#!1.' A Q 203 membrane.

心1 図 ざ@ 2(、S’h 易3八団 In lr1 吃3Bi知 吃3C1,弓 ゛尋’;、4に−・2 II 12Heart 1 Diagram Za @ 2 (, S’h Yi 38 group In lr1 吃3Biknowledge 吃3C1, Bow ゛对;, 4-・2 II 12

Claims (1)

【特許請求の範囲】 1 基板上に配設した′1E極上VC発)11層及び絶
縁層を含んでなるエレクトロルミネ・ソ1−ノFIIQ
表/1\装暇において; 前記電極材料が陽極酸化1’J’ fil]な+;+ 
iiであり、該電極材料全選択陽極酸化することり(よ
り軍、極1β1夕1の該電極材料部分を絶縁物化(7で
表出部の゛i勺Lし 11Sを図ったことを特徴とする
エレクトロルミイ・ノヒント型表示装置δ。
[Scope of Claims] 1. Electroluminescent SO1-NOFIIQ comprising 11 layers of 1E top VC layer disposed on a substrate and an insulating layer.
Table/1\In leisure; The electrode material is anodized 1'J'fil]+;+
ii, the electrode material is entirely selectively anodized (more than that, the electrode material part of the electrode material is made into an insulator (the exposed part is removed in 7), and 11S is achieved. Electrolumi nohinto type display device δ.
JP58223107A 1983-11-29 1983-11-29 Display unit Pending JPS60117593A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58223107A JPS60117593A (en) 1983-11-29 1983-11-29 Display unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58223107A JPS60117593A (en) 1983-11-29 1983-11-29 Display unit

Publications (1)

Publication Number Publication Date
JPS60117593A true JPS60117593A (en) 1985-06-25

Family

ID=16792931

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58223107A Pending JPS60117593A (en) 1983-11-29 1983-11-29 Display unit

Country Status (1)

Country Link
JP (1) JPS60117593A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6353892A (en) * 1986-08-22 1988-03-08 クラリオン株式会社 Electric field light emission device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6353892A (en) * 1986-08-22 1988-03-08 クラリオン株式会社 Electric field light emission device

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