JPS59108296A - Electroluminescent display unit - Google Patents
Electroluminescent display unitInfo
- Publication number
- JPS59108296A JPS59108296A JP57217947A JP21794782A JPS59108296A JP S59108296 A JPS59108296 A JP S59108296A JP 57217947 A JP57217947 A JP 57217947A JP 21794782 A JP21794782 A JP 21794782A JP S59108296 A JPS59108296 A JP S59108296A
- Authority
- JP
- Japan
- Prior art keywords
- electroluminescent display
- metal electrode
- heat dissipation
- display unit
- glass
- 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
Landscapes
- Illuminated Signs And Luminous Advertising (AREA)
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、固体に強い電界を加えたとき発光する現象を
利用したエレクトロルミネセンス表示装置に関するもの
である。DETAILED DESCRIPTION OF THE INVENTION Technical Field of the Invention The present invention relates to an electroluminescent display device that utilizes the phenomenon of light emission when a strong electric field is applied to a solid.
技術的背景およびその問題点
従来、エレクトロルミネセンス表示装置は、ガラス面に
透明電極１発光層、金属電極を必要なパターンをもって
順次積層し、最上層の金属電極上に絶縁膜を形成してこ
の絶縁膜を外気に接しさせて放熱している。しかしなが
ら、Ｃのようなものにおいては放熱効果が低く、装置の
劣化も激しいと云う問題がある。Technical Background and Problems Conventionally, electroluminescent display devices have been manufactured by sequentially laminating a transparent electrode, a light-emitting layer, and a metal electrode in the necessary pattern on a glass surface, and forming an insulating film on the top layer of the metal electrode. Heat is radiated by exposing the insulating film to the outside air. However, materials such as C have a problem in that the heat dissipation effect is low and the device deteriorates significantly.
発明の目的 本発明は、放熱効果が高くて温度上昇を抑制し。purpose of invention The present invention has a high heat dissipation effect and suppresses temperature rise.
これによシ寿命の永いエレクトロルミネセンス表示装置
を得ることを目的とする。The purpose of this is to obtain an electroluminescent display device with a long life.
発明の概要
本発明は、ガラス上に透明電極、発光層、金属電極を順
次積層し、最上層に絶縁族を介して放熱板を積層両足し
たので、放熱板の材質や形状を任意に設定することかで
き、これにより、放熱効果を高めて温度上昇を抑制しう
るように構成したものである。Summary of the Invention In the present invention, a transparent electrode, a light emitting layer, and a metal electrode are sequentially laminated on glass, and a heat sink is laminated on the top layer via an insulating layer, so the material and shape of the heat sink can be set arbitrarily. As a result, the heat dissipation effect is enhanced and the temperature rise can be suppressed.
発明の実施例
すす、所定厚さのガラス（１）が設けられ、このガラス
（１ンの面の平坦性はきわめて商いものとする。EMBODIMENT OF THE INVENTION A glass (1) of a predetermined thickness is provided, the flatness of the surface of this glass (1) being very commercially available.
このガラス（１）をよく洗浄して１００ＯＸ〜２０００
Ｘの厚さの透明電極（２）を形成する。この透明電極
（２）は、ＣＶＤ、真窒蒸看、電子ビーム蒸漸、スパッ
クリング等により製膜し、フォトエツチングにより必要
なパターンを形成する。その上に発光層（３）を積層す
るか、この発光層（３）はＺｎ５ｅ、 ＺｎＳ等の誘電
層にＭｎ、 Ｐｒ、 Ｔｍ、 Ｓｍ、 Ｄｙ、 Ｅｒ、
Ｎｄ、 Ｔｂ等の希土′類金属あるいはこれらの融剤
として弗化物等を用いたものであυ、真空蒸着、スパッ
タリング、ＣＶＤ、分子線エピタキシー等によシ製膜す
る。膜厚は３０００Ｘ〜１０００Ｘであり、たとえばＭ
？ｌ濃度は０．１〜ＬＯａｔｍ％である。ついで、Ａ１
等による金属電極（４）を積層形成する。この金属電極
（４）は真空蒸着、電子ビーム蒸着、スパッタリング等
によＩ）５０００ Ｘ〜１ｏｏｏｏ Ｘに製膜する。そ
して、前記透明電極（２）との関係で必要な形状Ωパタ
ーン形成を行なう。Wash this glass (1) thoroughly and
A transparent electrode (2) with a thickness of X is formed. This transparent electrode (2) is formed by CVD, nitrogen evaporation, electron beam evaporation, spackling, etc., and a necessary pattern is formed by photoetching. A light-emitting layer (3) is laminated thereon, or the light-emitting layer (3) is made of a dielectric layer such as Zn5e, ZnS, etc. with Mn, Pr, Tm, Sm, Dy, Er,
The film is made of rare earth metals such as Nd and Tb, or fluoride or the like as a fluxing agent thereof, and is formed by vacuum evaporation, sputtering, CVD, molecular beam epitaxy, or the like. The film thickness is 3000X to 1000X, for example, M
? l concentration is 0.1 to LO atm%. Next, A1
A metal electrode (4) is formed by laminating the metal electrode (4). This metal electrode (4) is formed into a film with a thickness of I) 5000X to 100X by vacuum evaporation, electron beam evaporation, sputtering, etc. Then, a necessary shape Ω pattern is formed in relation to the transparent electrode (2).
ついで、最上層に絶縁膜（５ンを介在させて放熱板（６
）を積層固定する。この絶縁膜（５）はＣＶＤ、スパッ
タリング、電子ビーム蒸着、真空蒸着等の製膜装置にて
、たとえば５ｚＯｚ 、 Ａｊ！ｚｏ３ の層を製膜す
るか、または高分子樹脂によシ形成する。そして、前記
放熱板（６）はＡｌの如き熱伝導性の高い材料を用い、
かつ、表面にフィン（７）を形成して外気との接触面積
を増太芒せたものである。Next, a heat dissipation plate (6) was placed on the top layer with an insulating film (5) interposed therebetween.
) are stacked and fixed. This insulating film (5) is formed using a film forming apparatus such as CVD, sputtering, electron beam evaporation, vacuum evaporation, etc. to a thickness of, for example, 5 oz, Aj! A layer of zo3 is deposited or formed from a polymeric resin. The heat sink (6) is made of a material with high thermal conductivity such as Al,
In addition, fins (7) are formed on the surface to increase the contact area with the outside air.
このようにして形成した鞘来、透明電極（２）と金属電
極（４）との間に電界を与えて発光層（３）で発光させ
たときの発熱は、放熱板（６）が外気との熱交換が効率
よく行なわれるように形成されているため、放熱効果が
きわめて高く、温度上昇はしない。そのため、発光層（
３）の劣化がなく、装置の寿命は永くなる。Since the sheath formed in this manner generates heat when an electric field is applied between the transparent electrode (2) and the metal electrode (4) to cause the light emitting layer (3) to emit light, the heat dissipation plate (6) is connected to the outside air. Since the structure is designed to efficiently exchange heat, the heat dissipation effect is extremely high and the temperature does not rise. Therefore, the luminescent layer (
3) There is no deterioration and the life of the device is extended.
発明の効迷
本発明は、ガラスの上に透明電極、発光層、金属電極を
順次積層したものにおいて、最外層に絶縁膜を介在させ
て放熱板を積層固定しているので、放熱効果をきわめて
高めることができ、これにより、温度上昇を抑制して装
置の寿＠ｉをきわめて永くすることができるものである
。Effects of the Invention The present invention has a structure in which a transparent electrode, a light emitting layer, and a metal electrode are sequentially laminated on glass, and a heat dissipation plate is laminated and fixed with an insulating film interposed in the outermost layer, so that the heat dissipation effect is extremely high. As a result, temperature rise can be suppressed and the life of the device can be extremely extended.
図面は本発明の一実施例を示す断面図である。
１・・・ガラス、２・・・透明電極、３・・・発光層、
４・・・金属電極、５・・・絶縁膜、６・・・放熱坂出
願 人 東京電気株式会社The drawing is a sectional view showing an embodiment of the present invention. 1...Glass, 2...Transparent electrode, 3...Light emitting layer,
4... Metal electrode, 5... Insulating film, 6... Heat radiation Sakaide Applicant Tokyo Electric Co., Ltd.
Claims (1)
のにおいて、前記金属電極上に絶縁膜を介在させて放熱
板を積層両足したことを特徴とするエレクトロルミネセ
ンス表示装置。1. An electroluminescent display device comprising glass, a transparent electrode, a light-emitting layer, and a metal electrode laminated in sequence, wherein a heat dissipation plate is laminated on both sides of the metal electrode with an insulating film interposed therebetween.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57217947A JPS59108296A (en) | 1982-12-13 | 1982-12-13 | Electroluminescent display unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57217947A JPS59108296A (en) | 1982-12-13 | 1982-12-13 | Electroluminescent display unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59108296A true JPS59108296A (en) | 1984-06-22 |
Family
ID=16712195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57217947A Pending JPS59108296A (en) | 1982-12-13 | 1982-12-13 | Electroluminescent display unit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59108296A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6188496A (en) * | 1984-09-25 | 1986-05-06 | 日本メクトロン株式会社 | Luminous body structure |
| JPH0493879U (en) * | 1991-01-10 | 1992-08-14 | ||
| JP2010199079A (en) * | 2010-04-19 | 2010-09-09 | Canon Inc | Organic el element and display device |
-
1982
- 1982-12-13 JP JP57217947A patent/JPS59108296A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6188496A (en) * | 1984-09-25 | 1986-05-06 | 日本メクトロン株式会社 | Luminous body structure |
| JPH0493879U (en) * | 1991-01-10 | 1992-08-14 | ||
| JP2010199079A (en) * | 2010-04-19 | 2010-09-09 | Canon Inc | Organic el element and display device |
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