JPH0197397A - Electroluminescent lamp - Google Patents
Electroluminescent lampInfo
- Publication number
- JPH0197397A JPH0197397A JP62255327A JP25532787A JPH0197397A JP H0197397 A JPH0197397 A JP H0197397A JP 62255327 A JP62255327 A JP 62255327A JP 25532787 A JP25532787 A JP 25532787A JP H0197397 A JPH0197397 A JP H0197397A
- Authority
- JP
- Japan
- Prior art keywords
- electroluminescent lamp
- insulating layer
- coating agent
- wet
- water
- 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
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000005524 ceramic coating Methods 0.000 claims abstract description 11
- 239000011248 coating agent Substances 0.000 claims abstract description 11
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 8
- 229910052751 metal Inorganic materials 0.000 claims abstract description 7
- 239000002184 metal Substances 0.000 claims abstract description 7
- 239000011347 resin Substances 0.000 claims abstract description 5
- 229920005989 resin Polymers 0.000 claims abstract description 5
- 150000004703 alkoxides Chemical class 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 13
- 239000011230 binding agent Substances 0.000 abstract description 10
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 abstract description 6
- 229910002113 barium titanate Inorganic materials 0.000 abstract description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 4
- 239000002245 particle Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 abstract 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 239000011521 glass Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000003989 dielectric material Substances 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 101100346155 Caenorhabditis elegans oma-2 gene Proteins 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Abstract
Description
【発明の詳細な説明】
(産業上の利用分野)
本発明は電界発光灯に係り、特には反射絶縁層の改良に
関する。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to electroluminescent lamps, and more particularly to improvements in reflective insulating layers.
(従来の技術)
文字や図形等の表示や液晶デイスプレィの光源などに利
用される有機型電界発光灯は、一般に背面電極、反射絶
縁層、発光層、透明電極、基板フィルムがこの順序で成
形され、その両側に樹脂外皮フィルムが成形されて構成
されている。(Prior art) Organic electroluminescent lamps used for displaying characters and figures, and as light sources for liquid crystal displays, generally have a back electrode, a reflective insulating layer, a light emitting layer, a transparent electrode, and a substrate film formed in this order. , and a resin outer film is molded on both sides thereof.
そして、このような電界発光灯は背面電極と透明電極と
の間に交流電圧を印加させることで発光層の蛍光体粒子
に交流電界を付与してそれを励起発光させるようになっ
ている。In such an electroluminescent lamp, an alternating current voltage is applied between a back electrode and a transparent electrode to apply an alternating current electric field to the phosphor particles in the light emitting layer, thereby exciting them to emit light.
ところで、このような電界発光灯の反射絶縁層はこれま
でシアノエヂルセルロース等の高誘電率有機バインダを
有機溶剤に溶かしたものに、チタン酸バリウム等の高誘
電率粉末等を分散混合させた絶縁材などで構成されてお
り、印刷技術とかシート成形技術により形成されている
が、精度良く均一な膜厚に成形する技術が確立されてい
ないために常時一定の均一な膜厚の反射絶縁層に成形す
ることができなかった。By the way, the reflective insulating layer of such an electroluminescent lamp has been made by dispersing and mixing a high dielectric constant powder such as barium titanate into a high dielectric constant organic binder such as cyanoedyl cellulose dissolved in an organic solvent. It is made of insulating material and is formed using printing technology or sheet forming technology, but since the technology to form the film to a uniform thickness with high precision has not been established, the reflective insulating layer always has a constant uniform thickness. could not be formed into
そして、均一な膜厚が得られない反射絶縁層ではそれの
絶縁特性を示す誘電率とか誘電損失などが安定しなくな
り、その結果、均一な発光が得られなくなる場合がある
という問題があった。Further, in a reflective insulating layer where a uniform film thickness cannot be obtained, the dielectric constant, dielectric loss, etc. indicating the insulating properties of the reflective insulating layer become unstable, and as a result, there is a problem in that uniform light emission may not be obtained.
また、反射絶縁層の成形に用いられる」二記高誘電率有
機バインダの価格が高いという問題とか、さらには反射
絶縁層の成形工程も高誘電率有機バインダの作成とかチ
タン酸バリウム等の分散工程などがあって複雑であると
いう問題もあった。In addition, there is the problem of the high price of the high dielectric constant organic binder used for forming the reflective insulating layer, and furthermore, the process of forming the reflective insulating layer requires the creation of a high dielectric constant organic binder and the dispersion process of barium titanate, etc. There was also the problem that it was complicated.
本発明は、価格の高い高誘電率有機バインダの代わりに
比較的安価なセラミックコーティング剤(金属アルコキ
シドを主成分として構成されたシリカ系のもの)でもっ
て構成することで反射絶縁層の膜厚を容易にかつ確実に
均一にすることができるようにし、しかもその成形工程
も有機バインダの作成とかチタン酸バリウム等の分散工
程とかを不要にすることで単純化できる電界発光灯を提
供することを主たる目的とするとともに、耐湿性・耐水
性に優れた電界発光灯を提供することを他の目的として
いる。The present invention reduces the thickness of the reflective insulating layer by using a relatively inexpensive ceramic coating agent (silica-based material mainly composed of metal alkoxide) instead of an expensive high dielectric constant organic binder. Our main objective is to provide an electroluminescent lamp that can be made uniform easily and reliably, and whose molding process can be simplified by eliminating the need for creating an organic binder or dispersing barium titanate, etc. Another objective is to provide an electroluminescent lamp with excellent moisture resistance and water resistance.
(問題点を解決するための手段)
前記目的を達成するために、本発明は、反射絶縁層を金
属アルコキシドを主成分として構成されたシリカ系のも
ので構成されたセラミックコーティング剤で成形したこ
とを特徴としている。(Means for Solving the Problems) In order to achieve the above object, the present invention provides that the reflective insulating layer is molded with a ceramic coating agent made of a silica-based material mainly composed of metal alkoxide. It is characterized by
(作用)
反射絶縁層が高価な高誘電率有機バインダの代わりに上
記セラミックコーティング剤を用いて成形されているか
ら、安価に電界発光灯を作成することができる。(Function) Since the reflective insulating layer is formed using the above ceramic coating agent instead of the expensive high dielectric constant organic binder, the electroluminescent lamp can be manufactured at low cost.
また、このセラミックコーティング剤では反射絶縁層の
膜厚を極めて薄くできるから、電界発光灯の発光を均一
にすることができるとともに、高誘電率有機バインダの
作成とかチタン酸バリウム等の分散工程とかが不要とな
るからその製造工程が単純化される。In addition, this ceramic coating agent allows the thickness of the reflective insulating layer to be made extremely thin, making it possible to make the light emission of the electroluminescent lamp uniform, and also to make the process of creating a high dielectric constant organic binder and dispersing barium titanate, etc. Since it is not necessary, the manufacturing process is simplified.
さらに、セラミックコーティング剤を用いるから耐湿性
・耐水性に優れたものとなる。Furthermore, since a ceramic coating agent is used, it has excellent moisture resistance and water resistance.
(実施例)
以下、本発明の実施例を図面を参照して詳細に説明する
。第1図は、本発明の実施例に係る電界発光灯の構造断
面図である。この図において、符号1はアルミニウム箔
等で構成された背面電極、2は金属アルコキシドを主成
分として構成されたシリカ系(水−アルコール混合溶剤
)のものテ構成された反射絶縁層、3はその一部を円内
に拡大図示されているようにジシアノエチルセルロース
等の誘電体物質s中に、蛍光体粒子9が分散されてなる
発光層、4はITO等の透明電極、5は透明電極4の基
材となるフィルム、6および7は樹脂外皮フィルムであ
る。(Example) Hereinafter, an example of the present invention will be described in detail with reference to the drawings. FIG. 1 is a structural sectional view of an electroluminescent lamp according to an embodiment of the present invention. In this figure, numeral 1 is a back electrode made of aluminum foil, etc., 2 is a reflective insulating layer made of silica (water-alcohol mixed solvent) mainly composed of metal alkoxide, and 3 is the reflective insulating layer. As shown in a partially enlarged circle, a light emitting layer is formed by dispersing phosphor particles 9 in a dielectric material s such as dicyanoethylcellulose, 4 is a transparent electrode such as ITO, and 5 is a transparent electrode 4. Films 6 and 7 serving as base materials are resin outer films.
反射絶縁層2の構成素材であるセラミックコーティング
剤は上記のように金属アルコキシド、例えばアルコキシ
シランを主成分とするシリカ系のもので、例えば2液型
セラミツクコーテイング剤であるグラス力(商品名)が
用いられる。このグラス力の種類としては例えば科目と
してrG90Jr G95Jr G401Jが例示的に
挙げられる。As mentioned above, the ceramic coating agent that is the constituent material of the reflective insulating layer 2 is a silica-based material whose main component is metal alkoxide, such as alkoxysilane. used. Examples of the types of glass power include rG90Jr, G95Jr, and G401J as subjects.
科目がrG90Jのグラス力はSiO2を主成分とし、
科目がrG95Jのグラス力は5if2・Ti0pを主
成分とし、科目がrG401Jのグラス力はSj Zr
04を主成分としている。これらのセラミックコーテ
ィング材料はいずれも耐水性・耐湿性に優れており、ま
た萌2者のグラス力はビンポールレス性に優れている。The glass force of rG90J is mainly composed of SiO2,
The glass power of the subject rG95J is mainly composed of 5if2・Ti0p, and the glass power of the subject rG401J is Sj Zr
The main component is 04. All of these ceramic coating materials are excellent in water resistance and moisture resistance, and the glass strength of Moe 2 is excellent in vinyl pole resistance.
反射絶縁層2の成形法としては印刷法、シート成形法、
スプレー法、ディッピング法等の公知の方法がある。The method of forming the reflective insulating layer 2 includes printing method, sheet forming method,
There are known methods such as a spray method and a dipping method.
このような各種の方法により成形された反射絶縁層2に
アルミ箔とかアルミラミネートポリエチレンフィルムと
かを重ね合わせた状態で、100℃〜150℃の温度で
セラミックコーティング剤の硬化と同時に背面電極1の
貼り付けとを行う。The reflective insulating layer 2 formed by these various methods is laminated with aluminum foil or aluminum laminated polyethylene film, and the back electrode 1 is attached at the same time as the ceramic coating agent is cured at a temperature of 100°C to 150°C. Attach and attach.
なお、背面電極lにアルミ蒸着膜を用いる場合は、先に
反射絶縁層を乾燥硬化させてから電子ビーム法によりそ
のアルミの蒸着を行う。In addition, when using an aluminum vapor-deposited film for the back electrode l, the reflective insulating layer is dried and hardened first, and then the aluminum is vapor-deposited by an electron beam method.
(発明の効果)
以上説明したことから明らかなように本発明によれば、
価格の高い高誘電率有機バインダの代わりに比較的安価
なセラミックコーティング剤(金属アルコキシドを主成
分として構成されたシリカ系のもの)でもって構成した
から反射絶縁層の膜厚を容易にかつ確実に均一にするこ
とができ、しかもその成形工程も有機バインダの作成と
かチタン酸バリウム等の分散工程とかを不要にすること
で単純化できる電界発光灯を提供することができるとと
もに、耐湿性・耐水性に優れた電界発光灯を提供するこ
とができる。(Effects of the Invention) As is clear from the above explanation, according to the present invention,
Instead of an expensive high-permittivity organic binder, it is constructed using a relatively inexpensive ceramic coating agent (a silica-based material mainly composed of metal alkoxide), making it possible to easily and reliably adjust the thickness of the reflective insulating layer. It is possible to provide an electroluminescent lamp that can be made uniform, and the molding process can be simplified by eliminating the need for creating an organic binder or dispersing barium titanate, etc., as well as being moisture resistant and water resistant. can provide an excellent electroluminescent lamp.
第1図は本発明の一実施例に係る電界発光灯の構造断面
図である。
図中、1・・背面電極、2・・・反射絶縁層、3・・・
発光層、4・・・透明電極、5・基板フィルム、6.7
・・樹脂外皮フィルム、8・・有機誘電体、←→・・・
蛍光体粒子。FIG. 1 is a structural sectional view of an electroluminescent lamp according to an embodiment of the present invention. In the figure, 1... Back electrode, 2... Reflective insulating layer, 3...
Light emitting layer, 4...Transparent electrode, 5.Substrate film, 6.7
・・Resin outer film, 8・・Organic dielectric material, ←→・・
phosphor particles.
Claims (1)
フィルムが形成されるとともに、その両側に樹脂外皮フ
ィルムが形成されてなる電界発光灯において、 前記反射絶縁層を金属アルコキシドを主成分として構成
されたシリカ系のセラミックコーティング剤で形成され
てなることを特徴とする電界発光灯。(1) In an electroluminescent lamp in which a back electrode, a reflective insulating layer, a light emitting layer, a transparent electrode, and a substrate film are formed, and a resin outer film is formed on both sides thereof, the reflective insulating layer is mainly composed of metal alkoxide. An electroluminescent lamp characterized in that it is made of a silica-based ceramic coating agent.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62255327A JPH0197397A (en) | 1987-10-08 | 1987-10-08 | Electroluminescent lamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62255327A JPH0197397A (en) | 1987-10-08 | 1987-10-08 | Electroluminescent lamp |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0197397A true JPH0197397A (en) | 1989-04-14 |
Family
ID=17277243
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62255327A Pending JPH0197397A (en) | 1987-10-08 | 1987-10-08 | Electroluminescent lamp |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0197397A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20020082038A (en) * | 2001-04-23 | 2002-10-30 | 주식회사 마이크로아이 | Organic electroluminescence element package and method for manufacturing same |
CN108546146A (en) * | 2018-04-10 | 2018-09-18 | 云南铝业股份有限公司 | Metal fuel battery waterproof ventilative layer and preparation method thereof |
-
1987
- 1987-10-08 JP JP62255327A patent/JPH0197397A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20020082038A (en) * | 2001-04-23 | 2002-10-30 | 주식회사 마이크로아이 | Organic electroluminescence element package and method for manufacturing same |
CN108546146A (en) * | 2018-04-10 | 2018-09-18 | 云南铝业股份有限公司 | Metal fuel battery waterproof ventilative layer and preparation method thereof |
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