JPS63276893A - Electroluminescent lamp - Google Patents
Electroluminescent lampInfo
- Publication number
- JPS63276893A JPS63276893A JP62110273A JP11027387A JPS63276893A JP S63276893 A JPS63276893 A JP S63276893A JP 62110273 A JP62110273 A JP 62110273A JP 11027387 A JP11027387 A JP 11027387A JP S63276893 A JPS63276893 A JP S63276893A
- Authority
- JP
- Japan
- Prior art keywords
- moisture
- phosphor particles
- emitting layer
- phosphor
- ceramic coating
- 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
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 52
- 238000005524 ceramic coating Methods 0.000 claims abstract description 21
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 9
- 150000004703 alkoxides Chemical class 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
- 239000002245 particle Substances 0.000 claims description 48
- 238000000034 method Methods 0.000 abstract description 11
- 230000006866 deterioration Effects 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 239000011248 coating agent Substances 0.000 abstract description 2
- 239000000919 ceramic Substances 0.000 abstract 2
- 239000004615 ingredient Substances 0.000 abstract 2
- 238000000576 coating method Methods 0.000 abstract 1
- 230000002265 prevention Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 19
- 230000000694 effects Effects 0.000 description 11
- 238000010438 heat treatment Methods 0.000 description 11
- 239000011358 absorbing material Substances 0.000 description 9
- 238000010521 absorption reaction Methods 0.000 description 7
- 239000003989 dielectric material Substances 0.000 description 6
- 239000011521 glass Substances 0.000 description 6
- 238000010298 pulverizing process Methods 0.000 description 5
- 238000005137 deposition process Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 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 3
- 230000009471 action Effects 0.000 description 3
- 238000005238 degreasing Methods 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 description 2
- 229910002113 barium titanate Inorganic materials 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000003578 releasing effect Effects 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Landscapes
- Electroluminescent Light Sources (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
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、特には電界の付与で発光す
る発光層の改良に関する。DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The present invention relates to an electroluminescent lamp, and particularly to an improvement in a light emitting layer that emits light when an electric field is applied thereto.
（従来の技術）
文字や図形等の表示や液晶ディスプレイの光源などに利
用される有機型電界発光灯は、一般にアルミニウム箔な
どで構成された背面電極、有機の誘電体物質中にチタン
酸バリウム粉末等を混合させた絶縁材などで構成された
反射絶縁層、有機の誘電体物質中に蛍光体粒子を分散さ
せた発光層、透明電極、および透明な樹脂外皮フィルム
で構成されている。 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。(Prior art) Organic electroluminescent lamps, which are used to display characters and figures and as a light source for liquid crystal displays, generally have a back electrode made of aluminum foil, etc., and barium titanate powder in an organic dielectric material. It consists of a reflective insulating layer made of an insulating material mixed with the like, a light emitting layer made of phosphor particles dispersed in an organic dielectric material, a transparent electrode, and a transparent resin outer film. 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発光輝度と寿命は前
記両電極間に印加される交流電圧の大きさとかその交流
電圧の周波数などの外的条件の他、特に発光層の内的条
件、例えば外部湿気の吸湿によっても大きく左右される
ことがこれまでに指摘されている。Incidentally, the luminance and lifespan of such an electroluminescent lamp are determined not only by external conditions such as the magnitude of the alternating current voltage applied between the two electrodes and the frequency of the alternating voltage, but also by internal conditions of the light emitting layer, such as It has been pointed out that it is greatly influenced by the absorption of external moisture.
そして、電界発光灯の発光輝度の低下防止や長寿命化を
図るための従来技術としては、例えば特公昭４０−２８
３３７号公報に記載されている電界発光灯のように発光
層の蛍光体粒子表面に防湿材を被着させ、その防湿材の
防湿作用でその蛍光体粒子を外部湿気から保護するよう
にしたものがある。ところで、この従来技術における蛍
光体粒子表面への防湿材被着処理工程は、防湿材懸濁液
中に蛍光体粒子を混合後に高温熱処理し、その高温熱処
理後に蛍光体粒子含有防湿材ブロックを製作するととも
にそれを細かく粉砕する工程を含むものであった。As a conventional technique for preventing a decrease in luminance and extending the life of an electroluminescent lamp, for example,
Like the electroluminescent lamp described in Publication No. 337, a moisture-proofing material is coated on the surface of the phosphor particles in the light-emitting layer, and the moisture-proofing action of the moisture-proofing material protects the phosphor particles from external moisture. There is. By the way, in this conventional technology, the process of adhering the moisture-proofing material to the surface of the phosphor particles involves mixing the phosphor particles in a moisture-proofing material suspension and then subjecting them to high-temperature heat treatment, and then producing a moisture-proofing material block containing the phosphor particles after the high-temperature heat treatment. It also included a step of grinding it finely.
しかしながら、このような高温熱処理工程においてはそ
の高温熱処理による蛍光体粒子の劣化を招来するという
問題があり、また粉砕工程においてはその粉砕により蛍
光体粒子表面に部分的に防湿材が被着されずにその表面
がそのまま露出するという問題があった。そしてそのよ
うな問題があることから、この従来技術においては蛍光
体粒子に対する実際上の防湿効果は低く、その結果とし
て発光層の発光輝度低下の防止効果およびそれの長寿命
化効果も不十分という欠点があった。However, in such a high-temperature heat treatment process, there is a problem that the high-temperature heat treatment causes deterioration of the phosphor particles, and in the pulverization process, the moisture barrier material is not partially adhered to the surface of the phosphor particles due to the pulverization. There was a problem that the surface was exposed as it was. Because of such problems, this conventional technology has a low actual moisture-proofing effect on the phosphor particles, and as a result, the effect of preventing a decrease in the luminance of the light-emitting layer and the effect of extending its lifespan are insufficient. There were drawbacks.
そこで、その欠点を解決するための従来技術として例え
ば特開昭６０−２６４０９５号公報に記載された電界発
光灯が提案されている。この従来技術の電界発光灯にあ
っては、前述の防湿材の代わりに吸湿材を蛍光体粒子表
面に被着させるようにしている。この吸湿材ではその公
報にも記載されているように、外部湿気が吸湿材で吸収
されて蛍光体粒子へその外部湿気が浸透するまでに相当
に長い時間がかかることから、長時間の防湿効果を発揮
し、その結果として発光層の発光輝度低下の防止および
長寿命化も可能である。Therefore, an electroluminescent lamp described in, for example, Japanese Patent Laid-Open No. 60-264095 has been proposed as a conventional technique to solve this drawback. In this conventional electroluminescent lamp, a moisture-absorbing material is attached to the surface of the phosphor particles instead of the moisture-proofing material described above. As stated in the publication, this moisture-absorbing material has a long-term moisture-proofing effect because it takes a considerable amount of time for external moisture to be absorbed by the moisture-absorbing material and for that external moisture to permeate into the phosphor particles. As a result, it is possible to prevent a decrease in the luminance of the light emitting layer and extend its life.
しかしながら、この従来技術の場合にあっては、吸湿材
に外部湿気が吸湿されその吸湿量は吸湿材が外部湿気を
最大限に吸湿できる、いわゆる飽和値に到達するまでの
間は防湿効果を発揮することができるが、吸湿量が飽和
値に到達した後は、逆にそれまでの吸湿水分を蛍光体粒
子の方に放出する作用を引き起こし、その放出作用が開
始されるとその蛍光体粒子を急速に劣化させるものであ
った。したがって、この従来技術の場合にあっては、一
時的には発光層の長寿命化が可能ではあっても根本的な
長寿命化の技術の完成には至っていないという問題があ
った。However, in the case of this conventional technology, the moisture-proofing effect is exerted until the moisture-absorbing material absorbs external moisture and the amount of moisture absorbed reaches a so-called saturation value, where the moisture-absorbing material can absorb the maximum amount of external moisture. However, after the amount of moisture absorption reaches the saturation value, it causes an action to release the previously absorbed moisture towards the phosphor particles, and when this release action starts, the phosphor particles are It caused rapid deterioration. Therefore, in the case of this prior art, although it is possible to temporarily extend the life of the light emitting layer, there is a problem in that the technology for fundamentally extending the life of the light emitting layer has not yet been completed.
本発明は、蛍光体粒子表面に被着材として防湿材を選択
することで吸湿材が有する前述の水分放出作用による問
題点を解消し、かつ、防湿材を被着材とした場合の前述
の高温熱処理と粉砕の各工程とを不要にすることで前述
の問題点を解消して発光層の発光輝度の低下防止および
それの長寿命化を図れるようにすることを目的とする。The present invention solves the above-mentioned problems caused by the water release effect of the moisture-absorbing material by selecting a moisture-proofing material as an adherend on the surface of the phosphor particles, and also eliminates the above-mentioned problems caused by the moisture-releasing effect of the moisture-absorbing material. It is an object of the present invention to eliminate the above-mentioned problems by eliminating the need for high-temperature heat treatment and pulverization steps, thereby preventing a decrease in luminance of the light-emitting layer and extending its life.
（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、表面に防湿膜を
被着された蛍光棒体粒子を用いた発光層を含み、前記防
湿膜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膜で形成されてなること
を特徴としている。(Means for Solving the Problems) In order to achieve the above object, the present invention includes a light-emitting layer using fluorescent rod particles whose surface is coated with a moisture-proof film, and the moisture-proof film is coated with a metal alkoxide. It is characterized by being formed of a silica-based ceramic coating film composed as a main component.
（作用）
蛍光体粒子表面に防湿膜を被着しているから、蛍光体粒
子表面に吸湿材を被着させた場合に派生するその吸湿材
の吸湿量飽和による吸湿水分の放出作用がなく、したが
って、吸湿水分放出による蛍光体粒子の急速な劣化がな
くなる。(Function) Since the moisture-proof film is applied to the surface of the phosphor particles, there is no effect of releasing absorbed moisture due to the saturation of the moisture absorption amount of the moisture absorbing material, which occurs when a moisture absorbing material is applied to the surface of the phosphor particles. Therefore, rapid deterioration of the phosphor particles due to moisture absorption and release is eliminated.
また、蛍光体粒子表面に被着されている防湿膜の構成素
材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膜で構成しているから、そ
のセラミックコーティング膜を蛍光体粒子表面に被着さ
せる処理工程においては、低温処理での被着処理工程と
なる結果、高温熱処理による蛍光体粒子の劣化といった
問題がなくなるとともに、蛍光体粒子表面に対して膜状
のセラミックコーティングを形成することができること
から、セラミックコーティング膜を被着処理後の蛍光体
粒子を含むブロックを粉砕するといった工程が不要とな
る。その結果、蛍光体粒子表面の全体をセラミックコー
ティング膜で被覆して防湿効果を十分に高めることがで
きる。In addition, since the moisture-proof film applied to the surface of the phosphor particles is composed of a silica-based ceramic coating film mainly composed of metal alkoxide, the ceramic coating film is applied to the surface of the phosphor particles. In the deposition process, as the deposition process is performed at a low temperature, problems such as deterioration of the phosphor particles due to high-temperature heat treatment are eliminated, and a film-like ceramic coating is formed on the surface of the phosphor particles. This eliminates the need for the step of pulverizing the block containing the phosphor particles after the ceramic coating film has been applied. As a result, the entire surface of the phosphor particles can be covered with the ceramic coating film, and the moisture-proofing effect can be sufficiently enhanced.
（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
。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はシアノエチルセルロース等の
有機の誘電体物質中にチタン酸バリウム粉末等を混合さ
せた絶縁材などで構成された反射絶縁層、３はシアノエ
チルセルロース等の有機の誘電体物質中に蛍光体粒子を
分散させた発光層、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. The figure is a structural sectional view of an electroluminescent lamp according to an embodiment of the present invention. In this figure, reference numeral 1 denotes a back electrode made of aluminum foil, etc., 2 a reflective insulating layer made of an insulating material made of an organic dielectric material such as cyanoethyl cellulose mixed with barium titanate powder, etc.; 3 is a light-emitting layer in which phosphor particles are dispersed in an organic dielectric material such as cyanoethyl cellulose, 4 is a transparent electrode such as ITO, 5 is a film serving as the base material of the transparent electrode 4, and 6 and 7 are resin outer films. It is.
以上のような基本構成を具備する電界発光灯において、
本発明はその発光層３の構成に特徴を有している。すな
わち、発光層３は、その一部を円内に拡大図示されてい
るように、シアノエチルセルロース等の誘電体物質８中
に、表面に金属アルコキシドを主成分として構成された
シリカ（水−アルコール混合溶剤）系のセラミックコー
ティング膜を防湿膜９として被着された蛍光体粒子１０
が分散されて構成されている。In an electroluminescent lamp having the basic configuration as described above,
The present invention is characterized by the structure of the light emitting layer 3. That is, as shown in a partially enlarged circle, the light-emitting layer 3 consists of a dielectric material 8 such as cyanoethyl cellulose, and a silica (water-alcohol mixture) mainly composed of metal alkoxide on the surface. Phosphor particles 10 coated with a solvent-based ceramic coating film as a moisture-proof film 9
is structured in a distributed manner.
次に、蛍光体粒子１０表面に防湿膜９を被着処理する工
程について説明する。Next, the process of applying the moisture-proof film 9 to the surface of the phosphor particles 10 will be explained.
（１）前処理工程：蛍光体粒子表面に防湿膜を被着する
前工程として蛍光体粒子用母材（基材）１０表面に付着
されている油脂分を脱脂する。この脱脂処理工程により
、その油脂分の付着により蛍光体粒子１０表面から防湿
膜９がはじかれるなどして密着不良を来すことを防止す
る。脱脂処理方法としてはアルカリ脱脂などの公知の処
理方法がある。(1) Pretreatment step: As a pretreatment step for applying a moisture-proof film to the surface of the phosphor particles, oil and fat adhering to the surface of the phosphor particle matrix (base material) 10 is degreased. This degreasing process prevents the moisture-proof film 9 from being repelled from the surface of the phosphor particles 10 due to the adhesion of oil and fat, thereby preventing poor adhesion. As the degreasing treatment method, there are known treatment methods such as alkaline degreasing.
（２）被着処理工程：前記の前処理工程により脱脂処理
された蛍光体粒子用母材に、金属アルコキシドを主成分
とする、たとえば、アルコキシシランを主成分とする、
シリカ系のセラミックコーティング膜を被着させる。こ
のセラミックコーティング膜材料としては、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ｒ Ｇ９０Ｊｒ Ｇ９５Ｊｒ Ｇ４０１Ｊが例示
的に挙げられる。科目がｒＧ９０Ｊのグラス力は５ＩＯ
１を主成分とし、科目がｒＧ９５Ｊのグラス力はＳｌｏ
ｗ・Ｔｉ Ｏ，を主成分とし、科目が「Ｇ４０１」のグ
ラス力は５ｉＺｒ０４を主成分としている。これらのセ
ラミックコーティング膜材料はいずれも耐水性・耐湿性
に優れており、また前２者のグラス力はピンホールレス
性に優れている。(2) Adhesion treatment step: A base material for phosphor particles that has been degreased in the pretreatment step is coated with a material containing a metal alkoxide as a main component, for example, an alkoxysilane as a main component.
Deposit a silica-based ceramic coating film. Examples of this ceramic coating film material include Glass Power (trade name), which is a two-component ceramic coating agent.
is used. Examples of the types of glass power include r, G90Jr, G95Jr, and G401J as subjects. The glass power of the subject is rG90J is 5IO
1 as the main component and the subject is rG95J's glass power is Slo
The main component is w・Ti O, and the glass force with the subject "G401" has 5iZr04 as the main component. All of these ceramic coating film materials are excellent in water resistance and moisture resistance, and the glass strength of the former two is excellent in pinhole-free properties.
蛍光体粒子表面へのセラミックコーティング膜材料の被
着方法としては、スプレー法、ディッピング法、ロール
法等の公知の方法で行う。The ceramic coating film material is applied to the surface of the phosphor particles by a known method such as a spray method, a dipping method, or a roll method.
このアルコール溶液型のセラミックコーティング膜材料
では、加水分解作用と重縮合反応により蛍光体粒子表面
はシリカ系の網状構造物で膜状に被覆された状態になり
、その結果として蛍光体粒子表面は非常に耐水性および
耐湿性に優れた防湿膜で被覆される。In this alcohol solution type ceramic coating film material, the surface of the phosphor particles is coated with a silica-based network structure through hydrolysis and polycondensation reactions, and as a result, the surface of the phosphor particles is extremely It is coated with a moisture-proof membrane that has excellent water and moisture resistance.
（３）後処理工程：前記被着処理工程後は、防湿膜を被
着された蛍光体粒子用母材を加熱乾燥する。その場合の
加熱温度を８０℃〜１５０℃とし、かつ加熱時間を３０
分程度とする。(3) Post-treatment step: After the adhesion treatment step, the phosphor particle base material coated with the moisture-proof film is heated and dried. In that case, the heating temperature is 80°C to 150°C, and the heating time is 30°C.
It should be about minutes.
以上の各工程によって蛍光体粒子表面には防湿膜の被着
を完了する。Through each of the above steps, the moisture-proof film is completely deposited on the surface of the phosphor particles.
（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、
蛍光体粒子表面に防湿膜を被着しているから、蛍光体粒
子表面に吸湿材を被着させた場合に派生するその吸湿材
の吸湿量飽和による吸湿水分の放出作用がなく、したが
って、吸湿水分放出による蛍光体粒子の急速な劣化がな
くなる結果、発光層の発光輝度の低下防止および長寿命
化が可能である。(Effects of the Invention) As is clear from the above explanation, according to the present invention,
Since a moisture-proof film is applied to the surface of the phosphor particles, there is no release of absorbed moisture due to saturation of the moisture absorption amount of the moisture absorption material, which occurs when a moisture absorption material is applied to the surface of the phosphor particles. As a result of eliminating the rapid deterioration of the phosphor particles due to water release, it is possible to prevent the luminance of the light emitting layer from decreasing and to extend its life.
また、蛍光体粒子表面に被着されている防湿膜の構成素
材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膜で構成しているから、そ
のセラミックコーティング膜を蛍光体粒子表面に被着さ
せる処理工程においては、低温処理での被着処理工程と
なる結果、高温熱処理による蛍光体粒子の劣化といった
問題がなくなるとともに、蛍光体粒子表面に対して膜状
のセラミックコーティングを形成することができること
から、セラミックコーティング膜を被着処理後の蛍光体
粒子を含むブロックを粉砕するといった工程が不要とな
る。その結果、蛍光体粒子表面の全体をセラミックコー
ティング膜で被覆して防湿効果を十分に高めることがで
きることで発光層の発光輝度低下防止とそれの長寿命化
を図ることができる。In addition, since the moisture-proof film applied to the surface of the phosphor particles is composed of a silica-based ceramic coating film mainly composed of metal alkoxide, the ceramic coating film is applied to the surface of the phosphor particles. In the deposition process, as the deposition process is performed at a low temperature, problems such as deterioration of the phosphor particles due to high-temperature heat treatment are eliminated, and a film-like ceramic coating is formed on the surface of the phosphor particles. This eliminates the need for the step of pulverizing the block containing the phosphor particles after the ceramic coating film has been applied. As a result, the entire surface of the phosphor particles can be covered with a ceramic coating film to sufficiently enhance the moisture-proofing effect, thereby making it possible to prevent a decrease in the luminance of the light-emitting layer and extend its lifespan.
なお、本発明の派生効果としては、高温熱処理工程がな
くなることにより、従来のような高温熱処理用設備が不
要になりそれの製造コスストを低減させることもできる
。Note that, as a derivative effect of the present invention, since the high temperature heat treatment step is eliminated, conventional high temperature heat treatment equipment is not required, and the manufacturing cost thereof can be reduced.
また、同じく本発明の他の派生効果としてはセラミック
コーティング膜の膜厚制御が容易である。Another advantage of the present invention is that the thickness of the ceramic coating film can be easily controlled.
図面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、
９・・・防湿膜、ｌＯ・・・蛍光体粒子。
区
出願人株式会社村田製作所 −代理人 弁理
士 岡田和秀 峡図面の１十
手続補正盲動式）
％式％
２、発明の名称 電界発光灯
３、補正をする者
事件との関係 特許出願人
名 称 （６２３） 株式会社 材用製作所４、代
理人The drawing is a cross-sectional view of the structure 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,
9...Moisture-proof film, lO...phosphor particles. District Applicant Murata Manufacturing Co., Ltd. - Agent Patent Attorney Kazuhide Okada 10 Procedures Amended Blind Actuation Type of Kyokyo Drawings % Formula % 2. Title of the Invention Electroluminescent Lamp 3. Relationship with the Amendment Person Case Name of Patent Applicant Title (623) Zaiyo Manufacturing Co., Ltd. 4, Agent
Claims (1)
光層を含み、 前記防湿膜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膜で形成されてな
ることを特徴とする電界発光灯。(1) It includes a light-emitting layer using phosphor particles whose surface is coated with a moisture-proof film, and the moisture-proof film is formed of a silica-based ceramic coating film mainly composed of metal alkoxide. An electroluminescent lamp.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62110273A JPS63276893A (en) | 1987-05-06 | 1987-05-06 | Electroluminescent lamp |
| US07/190,716 US4902929A (en) | 1987-05-06 | 1988-05-06 | Electroluminescent device containing electroluminescent particles each covered with moisture proof film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62110273A JPS63276893A (en) | 1987-05-06 | 1987-05-06 | Electroluminescent lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63276893A true JPS63276893A (en) | 1988-11-15 |
Family
ID=14531505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62110273A Pending JPS63276893A (en) | 1987-05-06 | 1987-05-06 | Electroluminescent lamp |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63276893A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5908698A (en) * | 1990-04-25 | 1999-06-01 | Minnesota Mining And Manufacturing Company | Encapsulated electroluminescent phosphor and method for making same |
-
1987
- 1987-05-06 JP JP62110273A patent/JPS63276893A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5908698A (en) * | 1990-04-25 | 1999-06-01 | Minnesota Mining And Manufacturing Company | Encapsulated electroluminescent phosphor and method for making same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2007012466A (en) | Transparent conductive film and distributed electroluminescent element using the film | |
| WO2006093095A1 (en) | Dispersion-type electroluminescent element | |
| JPH11256150A (en) | Electroluminescent fluorescent substance, its production and el panel | |
| JPS63276893A (en) | Electroluminescent lamp | |
| JP2007126667A (en) | Long-term afterglowing electroluminescent lamp | |
| EP1641056A2 (en) | Dispersion type electroluminescent element | |
| JPH0758636B2 (en) | Electroluminescent lamp | |
| JPS6340038B2 (en) | ||
| JPH02288188A (en) | Anti-weather organic dispersion type electroluminescent body | |
| JPH047558B2 (en) | ||
| US2848637A (en) | Electroluminescent lamp | |
| WO2006025403A1 (en) | Dispersion type electroluminescence element | |
| JPS58111296A (en) | Method of producing electric field light emitting element | |
| JPH0290489A (en) | Distributed el element | |
| US2866118A (en) | Electroluminescent lamp | |
| JPS63276892A (en) | Electroluminescent lamp | |
| JP2837766B2 (en) | Electroluminescence element | |
| JP2000100571A (en) | Distributed type electroluminescent device | |
| JPH0420587A (en) | Fluophor and el element | |
| JP2001284053A (en) | Electroluminescent element | |
| JPH1140353A (en) | Manufacture of electroluminescent lamp | |
| JP3250276B2 (en) | Dispersion type EL element | |
| JPH04192291A (en) | Organic distribution type el panel | |
| JPH02152194A (en) | Distributed el element | |
| KR200181618Y1 (en) | Thin luminescent plate having improved luminance |