JPH02201890A - Electroluminescence device - Google Patents
Electroluminescence deviceInfo
- Publication number
- JPH02201890A JPH02201890A JP1022105A JP2210589A JPH02201890A JP H02201890 A JPH02201890 A JP H02201890A JP 1022105 A JP1022105 A JP 1022105A JP 2210589 A JP2210589 A JP 2210589A JP H02201890 A JPH02201890 A JP H02201890A
- Authority
- JP
- Japan
- Prior art keywords
- transparent electrode
- layer
- transparent
- electrode
- luminescent layer
- 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
- 238000005401 electroluminescence Methods 0.000 title 1
- 239000000126 substance Substances 0.000 claims abstract description 13
- -1 silane compound Chemical class 0.000 claims description 5
- 229910000077 silane Inorganic materials 0.000 claims description 3
- 239000011230 binding agent Substances 0.000 abstract description 7
- 229910010272 inorganic material Inorganic materials 0.000 abstract description 6
- 150000002484 inorganic compounds Chemical class 0.000 abstract description 5
- 150000002894 organic compounds Chemical class 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 4
- 238000005452 bending Methods 0.000 abstract description 3
- 239000002245 particle Substances 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- KXJGSNRAQWDDJT-UHFFFAOYSA-N 1-acetyl-5-bromo-2h-indol-3-one Chemical compound BrC1=CC=C2N(C(=O)C)CC(=O)C2=C1 KXJGSNRAQWDDJT-UHFFFAOYSA-N 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000005083 Zinc sulfide Substances 0.000 description 2
- 239000012190 activator Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 2
- 229910052984 zinc sulfide Inorganic materials 0.000 description 2
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 description 2
- MIZLGWKEZAPEFJ-UHFFFAOYSA-N 1,1,2-trifluoroethene Chemical group FC=C(F)F MIZLGWKEZAPEFJ-UHFFFAOYSA-N 0.000 description 1
- ZDZYGYFHTPFREM-UHFFFAOYSA-N 3-[3-aminopropyl(dimethoxy)silyl]oxypropan-1-amine Chemical compound NCCC[Si](OC)(OC)OCCCN ZDZYGYFHTPFREM-UHFFFAOYSA-N 0.000 description 1
- 206010040844 Skin exfoliation Diseases 0.000 description 1
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 description 1
- 229910002113 barium titanate Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 229910003437 indium oxide Inorganic materials 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野コ
本発明はエレクトロルミネセンス素子に関するものであ
る。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an electroluminescent device.
［従来の技術］
従来のエレクトロルミネセンス素子（以下「ＥＬ素子」
という。）は、透明なベースフィルム上に、透明電極、
発光層、絶縁層、背面電極が順次積層形成してあり、ベ
ースフィルムと背面電極のそれぞれの外側が捕水フィル
ムおよび防湿フィルムで挟着されている。[Prior art] Conventional electroluminescent element (hereinafter referred to as "EL element")
That's what it means. ) is a transparent electrode on a transparent base film,
A light-emitting layer, an insulating layer, and a back electrode are laminated in this order, and the outside of each of the base film and back electrode is sandwiched between a water-trapping film and a moisture-proof film.
透明電極はＩＴＯ（インジウムとすずの酸化物）から形
成されており、発光層は、硫化亜鉛に銅や塩素などの活
性付与剤が含有された発光体粒子と有機バインダー（シ
アノエチルセルロースなど）とから形成されている。ま
た、絶縁層はチタン酸バリウムなどの誘電率の高い物質
よりなるものである。The transparent electrode is made of ITO (indium and tin oxide), and the luminescent layer is made of luminescent particles containing zinc sulfide and an activator such as copper or chlorine, and an organic binder (cyanoethyl cellulose, etc.). has been done. Further, the insulating layer is made of a material with a high dielectric constant, such as barium titanate.
［解決しようとする課題］
ＥＬ素子はある程度屈曲可能な面発光板であるが、無機
化合物からなる透明電極と、有機バインダーを含有する
発光層との密着性が悪く、屈曲によって剥離を生じ発光
しない部分が生じる恐れがあった。[Problem to be solved] EL elements are surface-emitting plates that can be bent to some extent, but the adhesion between the transparent electrode made of an inorganic compound and the light-emitting layer containing an organic binder is poor, causing them to peel off when bent and not emit light. There was a risk that parts would occur.
そこで本発明の目的は、透明電極と発光層との密着性を
向上し屈曲に対する信頼性を高めることにある。Therefore, an object of the present invention is to improve the adhesion between the transparent electrode and the light-emitting layer and to increase the reliability against bending.
［課題を解決するための手段］
本発明の特徴は、透明なベースフィルム上に、透明電極
、発光層、絶縁層、背面電極が順次積層形成され、発光
層中には、無機化合物と化学結合する第１の反応基と有
機化合物と化学結合する第２の反応基とを有する物質が
含有されているところにある。[Means for Solving the Problems] The present invention is characterized in that a transparent electrode, a light-emitting layer, an insulating layer, and a back electrode are sequentially laminated on a transparent base film, and the light-emitting layer contains inorganic compounds and chemical bonds. and a second reactive group that chemically bonds with the organic compound.
発光層中に含有される物質はシラン化合物が適している
。A silane compound is suitable for the substance contained in the light emitting layer.
［作用］
発光層中に含有された物質の、無機化合物と化学結合す
る第１の反応基が透明電極のＩＴＯと結合し、有機化合
物と化学結合する第２の反応基が発光層中の有機バイン
ダーと結合する。したがってこの物質によって透明電極
と発光層との密着性が向上する。[Function] The first reactive group of the substance contained in the light-emitting layer that chemically bonds with the inorganic compound bonds with the ITO of the transparent electrode, and the second reactive group that chemically bonds with the organic compound bonds with the organic compound in the light-emitting layer. Combine with binder. Therefore, this substance improves the adhesion between the transparent electrode and the light emitting layer.
［実施例］ 図面を参照して本発明の一実施例を説明する。[Example] An embodiment of the present invention will be described with reference to the drawings.
本発明に係るＥＬ素子の構成は、透明なベースフィルム
１上に、透明電極２、発光層３、絶縁層４、背面電極５
が順次積層形成されている。そして、ベースフィルム１
と背面電極５のそれぞれの外側が捕水フィルム６で挟着
され、さらにポリ塩化三ふっ化エチレンなどの防湿フィ
ルム７で挟着されている。The structure of the EL element according to the present invention is that on a transparent base film 1, a transparent electrode 2, a light emitting layer 3, an insulating layer 4, a back electrode 5
are sequentially layered. And base film 1
The outer sides of the and back electrodes 5 are sandwiched between water-trapping films 6, and further sandwiched between moisture-proof films 7 made of polychlorinated trifluoroethylene or the like.
発光層３は、硫化亜鉛に銅や塩素などの活性付与剤を含
有させた発光体粒子と、透明電極との密着性を高める物
質と、シアノエチルセルロースなどの有機バインダーと
から形成されている。透明電極との密着性を高める物質
は、無機化合物と化学結合する第１の反応基（メトキシ
基、エトキシ基など）と、有機化合物と化学結合する第
２の反応基（ビニル基、エポキシ基、アミノ基など）と
を有するものであり、本実施例においてはシラン化合物
の一種であるＮ−β（アミノエチル）γ−アミノプロピ
ルトリメトキシシランが用いられている。その化学式は
、Ｈ２ＮＣ２Ｈ４ＮＨＣ３ＨＳｌ （ＯＣＨ３）３であ
る。The luminescent layer 3 is formed from luminescent particles made of zinc sulfide containing an activator such as copper or chlorine, a substance that increases adhesion to the transparent electrode, and an organic binder such as cyanoethyl cellulose. The substance that increases the adhesion with the transparent electrode includes a first reactive group (methoxy group, ethoxy group, etc.) that chemically bonds with an inorganic compound, and a second reactive group (vinyl group, epoxy group, etc.) that chemically bonds with an organic compound. In this example, N-β (aminoethyl)γ-aminopropyltrimethoxysilane, which is a type of silane compound, is used. Its chemical formula is H2NC2H4NHC3HSl (OCH3)3.
したがって、この物質の第１の反応基がＩＴＯなどの無
機化合物からなる透明電極２と化学結合し、第２の反応
基が発光層３中の有機バインダーと化学結合する。これ
によって、透明電極２と発光層３とは科学的に結合し、
密着性が高まる。Therefore, the first reactive group of this substance chemically bonds with the transparent electrode 2 made of an inorganic compound such as ITO, and the second reactive group chemically bonds with the organic binder in the light emitting layer 3. As a result, the transparent electrode 2 and the light emitting layer 3 are chemically combined,
Improves adhesion.
［効果］
このように本発明によると、透明電極と発光層の密着性
が高まり剥離の恐れがなくなって、屈曲に対する信頼性
が高まり、従来よりも自由にＥＬ素子を変形できるよう
になる。[Effects] As described above, according to the present invention, the adhesion between the transparent electrode and the light emitting layer is increased, eliminating the risk of peeling, increasing the reliability against bending, and making it possible to deform the EL element more freely than before.
図面は本実施例の断面図である。
１ ・ベースフィルム、２・・・透明電極、３・・・
発光層、 ４・・・絶縁層、５・・・背面電極
。
以 上The drawing is a sectional view of this embodiment. 1. Base film, 2... Transparent electrode, 3...
Light emitting layer, 4... Insulating layer, 5... Back electrode. that's all
Claims (2)
、絶縁層、背面電極が順次積層形成され、上記発光層中
には、無機化合物と化学結合する第１の反応基と有機化
合物と化学結合する第２の反応基とを有する物質が含有
されている ことを特徴とするエレクトロルミネセンス素子。(1) A transparent electrode, a light-emitting layer, an insulating layer, and a back electrode are sequentially laminated on a transparent base film. An electroluminescent element characterized by containing a substance having a second reactive group to which the element is bonded.
る請求項１に記載のエレクトロルミネセンス素子。(2) The electroluminescent device according to claim 1, wherein the substance is a silane compound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1022105A JPH02201890A (en) | 1989-01-31 | 1989-01-31 | Electroluminescence device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1022105A JPH02201890A (en) | 1989-01-31 | 1989-01-31 | Electroluminescence device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02201890A true JPH02201890A (en) | 1990-08-10 |
Family
ID=12073612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1022105A Pending JPH02201890A (en) | 1989-01-31 | 1989-01-31 | Electroluminescence device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02201890A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5893195A (en) * | 1981-11-28 | 1983-06-02 | 日本精機株式会社 | Field light emitting element |
| JPS58165291A (en) * | 1982-03-25 | 1983-09-30 | 日本電気ホームエレクトロニクス株式会社 | Electric field light emitting lamp |
-
1989
- 1989-01-31 JP JP1022105A patent/JPH02201890A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5893195A (en) * | 1981-11-28 | 1983-06-02 | 日本精機株式会社 | Field light emitting element |
| JPS58165291A (en) * | 1982-03-25 | 1983-09-30 | 日本電気ホームエレクトロニクス株式会社 | Electric field light emitting lamp |
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