JP2760370B2 - Distributed electroluminescent panel - Google Patents
Distributed electroluminescent panelInfo
- Publication number
- JP2760370B2 JP2760370B2 JP5085673A JP8567393A JP2760370B2 JP 2760370 B2 JP2760370 B2 JP 2760370B2 JP 5085673 A JP5085673 A JP 5085673A JP 8567393 A JP8567393 A JP 8567393A JP 2760370 B2 JP2760370 B2 JP 2760370B2
- Authority
- JP
- Japan
- Prior art keywords
- current collector
- electroluminescent panel
- display pattern
- sheet
- transparent electrode
- 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.)
- Expired - Fee Related
Links
- 239000000463 material Substances 0.000 claims description 3
- 230000000873 masking effect Effects 0.000 description 10
- 239000004020 conductor Substances 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- CHDVXKLFZBWKEN-UHFFFAOYSA-N C=C.F.F.F.Cl Chemical compound C=C.F.F.F.Cl CHDVXKLFZBWKEN-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229920005822 acrylic binder Polymers 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- YPHMISFOHDHNIV-FSZOTQKASA-N cycloheximide Chemical compound C1[C@@H](C)C[C@H](C)C(=O)[C@@H]1[C@H](O)CC1CC(=O)NC(=O)C1 YPHMISFOHDHNIV-FSZOTQKASA-N 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
Landscapes
- Electroluminescent Light Sources (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、分散型電界発光パネル
に関し、特に任意の文字や図形等の表示パターンを形成
する分散型電界発光パネルに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a distributed electroluminescent panel, and more particularly, to a distributed electroluminescent panel for forming a display pattern such as an arbitrary character or graphic.
【０００２】[0002]
【従来の技術】蛍光体を有機バインダーに分散させた発
光層を背面電極と透明電極とで挟むように形成してＥＬ
素子を構成し、このＥＬ素子を防水シートで封止（ラミ
ネート）する分散型電界発光パネルは、例えば特開平４
−３４２９８４号公報で知られている。2. Description of the Related Art A light emitting layer in which a phosphor is dispersed in an organic binder is formed so as to be sandwiched between a back electrode and a transparent electrode, and EL is formed.
A dispersion type electroluminescent panel in which an EL element is formed and the EL element is sealed (laminated) with a waterproof sheet is disclosed in, for example,
No. 3,342,984.
【０００３】図３は、前記従来例の構成を示しており、
１はアルミシート等の導電性反射部材からなる背面電
極、２は背面電極１上に印刷にて形成した発光層、３は
発光層２上に貼着される透明電極シートで、このシート
３はＰＥＴシート等の透明樹脂シート３ａの発光層２側
にＩＴＯ等の透明導電材料からなる透明電極３ｂを蒸着
等にて形成し、この透明電極３ｂの端部に銀ペースト等
の導電性材料からなる集電体（バスバー）４を印刷等に
て形成してあり、この集電体４及び背面電極１にアルミ
箔等の導電性部材からなるリードピン５を各々テープ６
にて貼着し、ＥＬ素子７を構成している。そして、この
ＥＬ素子７を周囲雰囲気から隔離するための三フッ化塩
化エチレンシート等の高分子防湿シートからなる防水シ
ート８でリードピン５を外部へ引き出すようにラミネー
トすることにより、分散型電界発光パネルを構成してい
る。FIG. 3 shows the structure of the conventional example.
1 is a back electrode made of a conductive reflection member such as an aluminum sheet, 2 is a light emitting layer formed by printing on the back electrode 1, 3 is a transparent electrode sheet adhered on the light emitting layer 2, and this sheet 3 is A transparent electrode 3b made of a transparent conductive material such as ITO is formed on the light emitting layer 2 side of a transparent resin sheet 3a such as a PET sheet by vapor deposition or the like, and an end portion of the transparent electrode 3b is made of a conductive material such as a silver paste. A current collector (bus bar) 4 is formed by printing or the like, and a lead pin 5 made of a conductive material such as aluminum foil is attached to the current collector 4 and the back electrode 1 by a tape 6.
To form the EL element 7. The EL element 7 is laminated with a waterproof sheet 8 made of a polymer moisture-proof sheet such as an ethylene trifluoride chloride sheet to isolate the EL element 7 from the surrounding atmosphere so that the lead pins 5 are pulled out to the outside. Is composed.
【０００４】このような分散型電界発光パネルを用い
て、任意の文字や図形等の表示パターンを表示させる場
合、実開昭６３−１７１９９５号公報で知られているよ
うに、ＥＬ素子と防湿シートとの間に前記表示パターン
をくり抜いたもしくは透光性にしたマスキングシートを
介在させることが考えられる。When a display pattern such as an arbitrary character or graphic is displayed by using such a dispersion type electroluminescent panel, an EL element and a moisture-proof sheet are known as disclosed in Japanese Utility Model Application Laid-Open No. 63-171995. It is conceivable to interpose a masking sheet in which the display pattern is hollowed out or made transparent.
【０００５】[0005]
【発明が解決しようとする課題】しかしながら、マスキ
ングシートを用いる場合、マスキングシートとして専用
部材を用意しなければならず、部品点数が多くなり、分
散型電界発光パネルの厚みも大きくなるという問題があ
る。また、マスキングシートの密着性が十分に確保され
ないと、マスキングシートがＥＬ素子や防湿シートから
剥離してしまう等の問題があった。However, when a masking sheet is used, a dedicated member must be prepared as the masking sheet, so that the number of parts increases and the thickness of the distributed electroluminescent panel increases. . Further, if the adhesiveness of the masking sheet is not sufficiently ensured, there is a problem that the masking sheet peels off from the EL element or the moisture-proof sheet.
【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、背面電極と透明電極との間に発光層を挟
み、前記背面電極及び前記透明電極の集電体にリードピ
ンを貼着する分散型電界発光パネルにおいて、前記集電
体を導電性遮光材料にて任意の文字や図形等の表示パタ
ーンを形成したものである。According to the present invention, a light emitting layer is sandwiched between a back electrode and a transparent electrode, and a lead pin is attached to a current collector of the back electrode and the transparent electrode. In the dispersion type electroluminescent panel described above, the current collector is formed of a conductive light-shielding material to form a display pattern such as an arbitrary character or graphic.
【０００７】[0007]
【作用】集電体が任意の文字や図形等の表示パターンを
表示させるマスキングシートの働きを有することとな
り、部品点数を増やすことなく前記表示パターンを得る
ことができる。The current collector has a function of a masking sheet for displaying a display pattern such as an arbitrary character or graphic, and the display pattern can be obtained without increasing the number of parts.
【０００８】[0008]
【実施例】本発明を図面に記載した実施例に基づき説明
する。なお、前記従来例と同一もしくは相当個所には同
じ符号を付してその詳細な説明は省く。DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described based on embodiments shown in the drawings. The same or corresponding parts as those in the conventional example are denoted by the same reference numerals, and detailed description thereof will be omitted.
【０００９】図１は、第１実施例を示しており、集電体
４は導電性遮光材料例えばアクリル系バインダーにカー
ボンを分散させたもの（タムラ化研製、商品名ＣＦＸ２
０２）を任意の文字や図形等の表示パターン９を除いて
膜厚約５〜６ミクロンで印刷により形成してある。FIG. 1 shows a first embodiment in which a current collector 4 is made of a conductive light-shielding material such as an acrylic binder in which carbon is dispersed (trade name: CFX2, manufactured by Tamura Kaken).
02) is formed by printing with a film thickness of about 5 to 6 microns except for display patterns 9 such as arbitrary characters and figures.
【００１０】図２は、第２実施例を示しており、発光層
２上には塗布型ＩＴＯからなる透明電極３ｂを印刷によ
り形成し、この上に前記実施例と同様な集電体４が形成
してある。FIG. 2 shows a second embodiment, in which a transparent electrode 3b made of a coating type ITO is formed on a light emitting layer 2 by printing, and a current collector 4 similar to the above embodiment is formed thereon. It is formed.
【００１１】何れの実施例も、背面電極１及び透明電極
３ｂの集電体４にリードピン５を各々テープ６にて貼着
してＥＬ素子７を構成し、図示しないが、このＥＬ素子
７を防水シート８でリードピン５を外部へ引き出すよう
にラミネートする。In each of the embodiments, an EL element 7 is formed by attaching lead pins 5 to the current collectors 4 of the back electrode 1 and the transparent electrode 3b with a tape 6, respectively. Lamination is performed with the waterproof sheet 8 so that the lead pins 5 are drawn out.
【００１２】そして、従来より用いられている集電体４
を、図示しないマスク部材を用いて表示パターン９に応
じた形状にて形成することにより、従来例のマスキング
シートを集電体４と一体かつ同時に得ることができ、部
品点数を増やすことなく表示パターン９を得ることがで
きる。なお、前記マスク部材は、従来も集電体４を形成
するために使用されていたものであり、単に形状を変更
するのみで前記実施例を実施でき、何ら工程の増加を伴
うものではない。The current collector 4 conventionally used
Is formed in a shape corresponding to the display pattern 9 using a mask member (not shown), so that the masking sheet of the conventional example can be integrally and simultaneously obtained with the current collector 4, and the display pattern can be obtained without increasing the number of parts. 9 can be obtained. The mask member has been used to form the current collector 4 in the past, and the embodiment can be implemented by merely changing the shape, and does not involve any additional steps.
【００１３】特に、集電体４としてカーボンを用いる
と、良好な遮光性を得ることができ、コントラストが向
上する。In particular, when carbon is used as the current collector 4, good light-shielding properties can be obtained, and the contrast is improved.
【００１４】[0014]
【発明の効果】本発明は、背面電極と透明電極との間に
発光層を挟み、前記背面電極及び前記透明電極の集電体
にリードピンを貼着する分散型電界発光パネルにおい
て、前記集電体を導電性遮光材料にて任意の文字や図形
等の表示パターンを形成したもので、集電体が表示パタ
ーンを表示させるマスキングシートの働きを有すること
となり、部品点数を増やすことなく表示パターンを得る
ことができ、よって、この種パネルの特徴である薄型化
を損なうことなく、製造工程も簡単に所望の表示パター
ンを有する分散型電界発光パネルを得られる。According to the present invention, there is provided a distributed electroluminescent panel in which a light emitting layer is sandwiched between a back electrode and a transparent electrode, and a lead pin is attached to a current collector of the back electrode and the transparent electrode. The current collector has a function of a masking sheet to display the display pattern, and the display pattern can be formed without increasing the number of parts. Thus, a dispersion-type electroluminescent panel having a desired display pattern can be obtained with a simple manufacturing process without impairing the thinness characteristic of this type of panel.
【００１５】また、専用部材にてマスキングシートを用
意するものに比べ、厚みを小さくすることができ、更
に、マスキングシートとして集電体を用いることによ
り、密着性が良好に保たれることから、剥離を生じにく
い。In addition, the thickness can be reduced as compared with the case where a masking sheet is prepared using a dedicated member, and further, by using a current collector as the masking sheet, good adhesion can be maintained. Less likely to peel.
【００１６】そして、透明電極に形成される集電体は、
得ようとする表示パターンに応じて形状が定まるもので
あり、従来の集電体のように表示パターンにより集電体
の形状をその都度決めたり、あるいは集電体により表示
パターンが制約を受ける等の問題がなく、分散型電界発
光パネルの発光面全体を有効に利用することができる。The current collector formed on the transparent electrode is
The shape is determined according to the display pattern to be obtained, and the shape of the current collector is determined each time by the display pattern like a conventional current collector, or the display pattern is restricted by the current collector. Therefore, the entire light emitting surface of the distributed electroluminescent panel can be effectively used.
【図１】本発明の第１実施例の要部分解斜視図。FIG. 1 is an exploded perspective view of a main part of a first embodiment of the present invention.
【図２】本発明の第２実施例の要部分解斜視図。FIG. 2 is an exploded perspective view of a main part of a second embodiment of the present invention.
【図３】従来例の分解斜視図。FIG. 3 is an exploded perspective view of a conventional example.
１ 背面電極 ２ 発光層 ３ｂ 透明電極 ４ 集電体 ９ 表示パターン Reference Signs List 1 back electrode 2 light emitting layer 3b transparent electrode 4 current collector 9 display pattern
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.6，ＤＢ名) H05B 33/26──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. 6 , DB name) H05B 33/26
Claims (1)
み、前記背面電極及び前記透明電極の集電体にリードピ
ンを貼着する分散型電界発光パネルにおいて、前記集電
体を導電性遮光材料にて任意の文字や図形等の表示パタ
ーンを形成したことを特徴とする分散型電界発光パネ
ル。1. A dispersion-type electroluminescent panel in which a light emitting layer is interposed between a back electrode and a transparent electrode, and a lead pin is attached to a current collector of the back electrode and the transparent electrode. A dispersion-type electroluminescent panel, wherein a display pattern such as an arbitrary character or figure is formed of a light shielding material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5085673A JP2760370B2 (en) | 1993-03-19 | 1993-03-19 | Distributed electroluminescent panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5085673A JP2760370B2 (en) | 1993-03-19 | 1993-03-19 | Distributed electroluminescent panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06275382A JPH06275382A (en) | 1994-09-30 |
| JP2760370B2 true JP2760370B2 (en) | 1998-05-28 |
Family
ID=13865351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5085673A Expired - Fee Related JP2760370B2 (en) | 1993-03-19 | 1993-03-19 | Distributed electroluminescent panel |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2760370B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000348870A (en) * | 1999-06-07 | 2000-12-15 | Polymatech Co Ltd | El display sheet |
-
1993
- 1993-03-19 JP JP5085673A patent/JP2760370B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06275382A (en) | 1994-09-30 |
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| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
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