JPH07263140A - Thin-film el display - Google Patents
Thin-film el displayInfo
- Publication number
- JPH07263140A JPH07263140A JP6048763A JP4876394A JPH07263140A JP H07263140 A JPH07263140 A JP H07263140A JP 6048763 A JP6048763 A JP 6048763A JP 4876394 A JP4876394 A JP 4876394A JP H07263140 A JPH07263140 A JP H07263140A
- Authority
- JP
- Japan
- Prior art keywords
- transparent
- display
- transparent electrode
- thin film
- 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.)
- Granted
Links
- 239000010409 thin film Substances 0.000 title claims abstract description 24
- 239000000758 substrate Substances 0.000 claims abstract description 13
- 238000010030 laminating Methods 0.000 claims abstract 2
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 239000011521 glass Substances 0.000 abstract description 10
- 238000000034 method Methods 0.000 description 5
- 239000006059 cover glass Substances 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000001259 photo etching Methods 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 239000005083 Zinc sulfide Substances 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005401 electroluminescence Methods 0.000 description 1
- 238000005566 electron beam evaporation Methods 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- PBCFLUZVCVVTBY-UHFFFAOYSA-N tantalum pentoxide Inorganic materials O=[Ta](=O)O[Ta](=O)=O PBCFLUZVCVVTBY-UHFFFAOYSA-N 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 229910052984 zinc sulfide Inorganic materials 0.000 description 1
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Electroluminescent Light Sources (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、発光層の両側を、絶縁
層を介して透明電極により挟むように構成した透明表示
部を有する薄膜ＥＬ（エレクトロルミネッセンス）表示
装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a thin-film EL (electroluminescence) display device having a transparent display section in which both sides of a light emitting layer are sandwiched by transparent electrodes with an insulating layer interposed therebetween.
【０００２】[0002]
【従来の技術】ガラス等の透明基板上に、透明な下部電
極を形成し、その上に下部絶縁層を介して、活性物質を
添加した薄膜の発光層を形成し、その上に上部絶縁層を
介して上部電極を形成した積層構造の薄膜ＥＬ素子が、
交流駆動型の薄膜ＥＬ表示装置として知られている。2. Description of the Related Art A transparent lower electrode is formed on a transparent substrate such as glass, a thin light emitting layer containing an active substance is formed on the transparent lower electrode, and an upper insulating layer is formed thereon. A thin film EL device having a laminated structure in which an upper electrode is formed via
It is known as an AC drive type thin film EL display device.
【０００３】この種の薄膜ＥＬ表示装置では、上部電
極、下部電極共に、透明電極を使用することにより、表
示部を透明に形成し、透明表示部に文字、図形等を発光
表示する構造の薄膜ＥＬ表示装置が提案されている。In this type of thin film EL display device, a transparent electrode is used for both the upper electrode and the lower electrode to form a transparent display portion, and a thin film having a structure in which characters, figures, etc. are luminescently displayed on the transparent display portion. EL display devices have been proposed.
【０００４】[0004]
【発明が解決しようとする課題】ところで、このような
透明表示部を有する薄膜ＥＬ表示装置を、例えば自動車
用の表示器として使用し、その表示器をフロントガラス
内側のダッシュボード上に配置して、前方の景色を視認
可能な状態としながら、透明表示部に速度表示やウオー
ニング表示等を行うことが考えられている。By the way, a thin film EL display device having such a transparent display portion is used, for example, as a display device for an automobile, and the display device is arranged on a dashboard inside a windshield. It is considered that a speed display, a warning display, and the like are displayed on the transparent display while keeping the front view visible.
【０００５】しかし、従来の薄膜ＥＬ表示装置は、表示
部が透明であったとしても、その上部電極と下部電極の
接続端子部は、リード線との接続のために、金属導電部
とする必要があり、透明とすることができない。そし
て、表示部に配置された上部電極と下部電極からは、最
も近い縁部に接続端子部が設けられることから、矩形の
表示部を有する表示装置の場合、４辺に接続端子部が設
けられ、この接続端子部が透明表示部の全ての辺に不透
明な太い枠部を形成する。このため、透明表示部の周囲
の接続端子部が自動車の前方視界を阻害し、透明表示部
の特性を最大限に利用できない問題があった。However, in the conventional thin film EL display device, even if the display portion is transparent, the connection terminal portion of the upper electrode and the lower electrode needs to be a metal conductive portion for connecting to the lead wire. There is, and it cannot be made transparent. Further, since the connection terminal portion is provided at the edge closest to the upper electrode and the lower electrode arranged in the display portion, in the case of a display device having a rectangular display portion, the connection terminal portion is provided on four sides. The connection terminal portion forms an opaque thick frame portion on all sides of the transparent display portion. For this reason, there is a problem that the connection terminal portion around the transparent display portion obstructs the forward field of view of the vehicle and the characteristics of the transparent display portion cannot be utilized to the maximum.
【０００６】本発明は、上記の点に鑑みなされたもの
で、透明表示部の特性を有効に利用し、背景の視界や前
方視界を阻害することなく透明表示部に各種表示を行う
ことができる薄膜ＥＬ表示装置を提供することを目的と
する。The present invention has been made in view of the above-mentioned points, and various characteristics can be displayed on the transparent display portion effectively by utilizing the characteristics of the transparent display portion without obstructing the field of view of the background and the forward field of view. An object is to provide a thin film EL display device.
【０００７】[0007]
【課題を解決するための手段】上記目的を達成するため
に、本発明の薄膜ＥＬ表示装置は、透明基板と、第一透
明電極と、第一絶縁層と、発光層と、第二絶縁層と、第
二透明電極とを順に積層して、可視光を透過させる透明
表示部を形成し、透明表示部内の両電極間に電圧を印加
して両電極間の発光層を発光させる薄膜ＥＬ表示装置に
おいて、第一透明電極と第二透明電極とが、透明表示部
の一縁部のみに設けられた接続端子部に接続されて構成
される。In order to achieve the above object, a thin film EL display device of the present invention comprises a transparent substrate, a first transparent electrode, a first insulating layer, a light emitting layer and a second insulating layer. And a second transparent electrode are sequentially laminated to form a transparent display portion that transmits visible light, and a voltage is applied between both electrodes in the transparent display portion to emit a light emitting layer between the thin film EL display. In the device, the first transparent electrode and the second transparent electrode are connected to a connection terminal portion provided only on one edge of the transparent display portion.
【０００８】[0008]
【作用・効果】このような構成の薄膜ＥＬ表示装置は、
例えば、自動車のフロントガラスの内側でダッシュボー
ド上に、透明表示部を立設させ、接続端子部を埋め込む
ようにして取付けられる。接続端子部に駆動回路が接続
され、透明表示部内の第一透明電極と第二透明電極間に
交流電圧を印加して両電極間の発光層を発光させ、文
字、図形等が透明表示部に表示される。[Operation / Effect] The thin film EL display device having such a configuration is
For example, the transparent display portion is erected on the dashboard inside the windshield of the automobile and the connection terminal portion is embedded in the dashboard. A drive circuit is connected to the connection terminal section, and an AC voltage is applied between the first transparent electrode and the second transparent electrode in the transparent display section to cause the light emitting layer between the two electrodes to emit light, so that characters and figures are displayed on the transparent display section. Is displayed.
【０００９】この表示装置の透明表示部は、上縁部、両
側縁部に接続端子部がなく、太い枠部のない透明なパネ
ルがダッシュボード上に配置されるだけであるため、表
示装置が運転者の前方視界を阻害することはなく、運転
者は透明表示部に表示された文字、図形等を前方の背景
を見ながら視認することができる。The transparent display portion of this display device has no connection terminal portions at the upper edge portion and both side edge portions, and a transparent panel without a thick frame portion is simply arranged on the dashboard. The front view of the driver is not hindered, and the driver can visually recognize the characters, figures, etc. displayed on the transparent display while looking at the front background.
【００１０】[0010]
【実施例】以下、本発明の実施例を図面に基づいて説明
する。Embodiments of the present invention will be described below with reference to the drawings.
【００１１】図１は本発明を適用した自動車用表示器１
の正面図を示している。この自動車用表示器１は、透明
表示部２を有する薄膜ＥＬ表示装置から構成され、特
に、透明表示部２の上縁部と左右側縁部には接続端子部
を設けず、枠部のない透明状態とし、下縁部のみに取付
部を兼ねた接続端子部３を設けて構成される。FIG. 1 is a vehicle display 1 to which the present invention is applied.
FIG. The automotive display 1 is composed of a thin film EL display device having a transparent display portion 2, and in particular, the upper edge portion and the left and right side edge portions of the transparent display portion 2 are not provided with connection terminal portions and have no frame portion. It is configured to be transparent and provided with the connection terminal portion 3 which also serves as a mounting portion only at the lower edge portion.
【００１２】この自動車用表示器１は、基本的には、図
２の部分拡大断面図に示すように、ガラス基板４の内側
に薄膜ＥＬ素子５を形成し、ガラス基板４の背面側に一
定の間隔をおいてカバーガラス６を重ね合せ、周囲を接
着剤７で接着した後、内部に湿気防止用のシリコンオイ
ルを封入して構成される。接着剤７には、透明表示部２
の透明性を確保するために、透明な接着剤が使用され
る。In this automobile display 1, basically, as shown in a partially enlarged sectional view of FIG. 2, a thin film EL element 5 is formed inside a glass substrate 4 and is fixed on the back side of the glass substrate 4. After the cover glasses 6 are overlapped with each other at intervals, the periphery is adhered with an adhesive 7, and then silicone oil for moisture prevention is sealed inside. The adhesive 7 has a transparent display portion 2
A transparent adhesive is used to ensure the transparency of the.
【００１３】薄膜ＥＬ素子５は、図３の概略断面図に示
すように、ガラス基板４上に第一透明電極１０を成膜形
成し、第一透明電極１０上に第一絶縁層１１を形成し、
その第一絶縁層１１上に発光層１２を形成し、その発光
層１２の上に第二絶縁層１３を形成した後、第二絶縁層
１３上に第二透明電極１４を形成して構成される。As shown in the schematic cross-sectional view of FIG. 3, the thin film EL element 5 is formed by forming a first transparent electrode 10 on a glass substrate 4 and forming a first insulating layer 11 on the first transparent electrode 10. Then
The light emitting layer 12 is formed on the first insulating layer 11, the second insulating layer 13 is formed on the light emitting layer 12, and then the second transparent electrode 14 is formed on the second insulating layer 13. It
【００１４】第一透明電極１０と第二透明電極１４は、
例えばＩＴＯ（酸化インジウム・スズ）を電子ビーム溶
着法やスパッタ法により成膜し、フォトエッチング法に
より所定の形状に形成される。The first transparent electrode 10 and the second transparent electrode 14 are
For example, ITO (indium tin oxide) is deposited by an electron beam welding method or a sputtering method, and is formed into a predetermined shape by a photo etching method.
【００１５】第一透明電極１０と第二透明電極１４は、
少なくとも一方が発光表示しようとする部分の形状、つ
まり７セグメントの数字、文字、或は図形（図１に破線
で表示）の形状に分割して形成される。さらに、第一透
明電極１０と第二透明電極１４の形成と同時に、各文字
等の分割された電極から下縁部の接続端子部３まで、同
じＩＴＯにより透明接続線部１６（図１に一点鎖線又は
二点鎖線で表示）が形成される。The first transparent electrode 10 and the second transparent electrode 14 are
At least one of them is divided into a shape of a portion to be light-emitted and displayed, that is, a shape of 7-segment number, character, or figure (shown by a broken line in FIG. 1). Further, at the same time when the first transparent electrode 10 and the second transparent electrode 14 are formed, the transparent connection line portion 16 (one point in FIG. 1) is formed by the same ITO from the divided electrodes such as characters to the connection terminal portion 3 at the lower edge. (Indicated by a chain line or a two-dot chain line) is formed.
【００１６】なお、文字、図形等の発光表示部分は、図
６に示すように、第一透明電極１８と第二透明電極１９
との重なり部分Ａ（この場合は数字の１）で形成するこ
ともできる。第一絶縁層１１と第二絶縁層１２は、例え
ば五酸化タンタルと酸化アルミニウムの混合物を材料と
して、高周波スパッタ法により成膜形成される。また、
発光層１２は、例えば硫化亜鉛：マンガンを材料とし、
電子ビーム蒸着法により成膜形成される。As shown in FIG. 6, the light emitting display portion of characters, figures, etc., has a first transparent electrode 18 and a second transparent electrode 19 as shown in FIG.
It can also be formed by the overlapping portion A (in this case, numeral 1). The first insulating layer 11 and the second insulating layer 12 are formed by a high frequency sputtering method using, for example, a mixture of tantalum pentoxide and aluminum oxide as a material. Also,
The light emitting layer 12 is made of, for example, zinc sulfide: manganese,
A film is formed by the electron beam evaporation method.
【００１７】さらに、ガラス基板４上における下縁部に
は、各第一透明電極１０と各第二透明電極１４から延設
された透明接続線部１６の各端部と接触して接続端子部
３が形成される。接続端子部３は、ニッケル、金等の導
電金属を蒸着法又はスパッタ法により成膜形成し、フォ
トエッチング法により透明接続線部１６の各端に接続さ
れる細い端子部を形成する。Further, the lower edge of the glass substrate 4 is in contact with the respective end portions of the transparent connecting wire portions 16 extending from the first transparent electrodes 10 and the second transparent electrodes 14, and the connecting terminal portion is formed. 3 is formed. The connection terminal portion 3 is formed by depositing a conductive metal such as nickel or gold into a film by a vapor deposition method or a sputtering method, and forms a thin terminal portion connected to each end of the transparent connection line portion 16 by a photoetching method.
【００１８】このように形成された薄膜ＥＬ素子５のガ
ラス基板４の背面側には、上述の如く、一定の間隔をお
いてカバーガラス６を重ね合せ、内側周囲を接着剤７で
接着する。この状態では、ガラス基板４とカバーガラス
６の周縁角部が露出しているため、保護のために、透明
表示部２の上縁部と左右側縁部を合成樹脂で被覆しても
よい。被覆する合成樹脂を細く或は透明にすれば、透明
表示部２の透明性を充分に確保し、前方視界を妨げるこ
とはない。On the back surface side of the glass substrate 4 of the thin film EL element 5 thus formed, the cover glass 6 is superposed at a constant interval as described above, and the inner periphery is adhered by the adhesive 7. In this state, since the peripheral corner portions of the glass substrate 4 and the cover glass 6 are exposed, the upper edge portion and the left and right side edge portions of the transparent display portion 2 may be covered with synthetic resin for protection. If the synthetic resin to be coated is made thin or transparent, the transparency of the transparent display portion 2 is sufficiently ensured and the front view is not obstructed.
【００１９】このように構成された自動車用表示器１
は、図４に示すように、自動車のフロントガラスの内側
のダッシュボード上に、透明表示部２を立設させ接続端
子部３を埋め込むようにして取付けられる。接続端子部
３に、図示しない駆動回路が接続される。The automobile display 1 thus constructed
As shown in FIG. 4, the transparent display portion 2 is erected on the dashboard inside the windshield of the automobile so that the connection terminal portion 3 is embedded therein. A drive circuit (not shown) is connected to the connection terminal portion 3.
【００２０】駆動回路から接続端子部３を通して高周波
の交流電圧が第一透明電極１０と第二透明電極１４に印
加されると、その間に挟まれた発光層１２が発光する
が、図示しない制御回路により、電圧を印加する第一透
明電極１０又は第二透明電極１４の部分を制御し、これ
によって、車速を示す数字或はウオーニング用の図形が
発光・表示される。When a high frequency AC voltage is applied to the first transparent electrode 10 and the second transparent electrode 14 from the drive circuit through the connection terminal portion 3, the light emitting layer 12 sandwiched between them emits light, but a control circuit not shown. Thus, the portion of the first transparent electrode 10 or the second transparent electrode 14 to which a voltage is applied is controlled, whereby a numeral indicating the vehicle speed or a figure for warning is emitted and displayed.
【００２１】このとき、ダッシュボード上の透明表示部
２に、その数字、文字、図形のみが発光表示されるた
め、運転者は前方の視線をそれ程ずらすことなく、ま
た、前方の視界を妨げることなく、明瞭に視認すること
ができる。さらに、透明表示部２の上縁部、左右側縁部
に接続端子部がなく、透明体を構成しているため、前方
の視界が阻害されず、運転者は、透明表示部に表示され
た文字、図形等を前方の背景を見ながら鮮明に視認する
ことができる。At this time, since only the numbers, characters, and figures are light-emitted and displayed on the transparent display section 2 on the dashboard, the driver does not deviate his or her line of sight from the front and hinders the front field of view. It is possible to see clearly without. Furthermore, since the transparent display portion 2 has no connection terminal portions on the upper edge portion and the left and right side edge portions and constitutes a transparent body, the front view is not obstructed and the driver is displayed on the transparent display portion. Characters, figures, etc. can be clearly seen while looking at the front background.
【００２２】図５は他の実施例の自動車用表示器を示
し、この自動車用表示器２１は、ドットマトリックス状
の透明表示部２２を有している。即ち、この自動車用表
示器２１は、ガラス基板上に第一透明電極２４を縦のス
トライプ状に形成し、第一透明電極２４上に第一絶縁
層、発光層、第二絶縁層を順に成膜形成し、第二絶縁層
上に第二透明電極２５を横のストライプ状に形成するこ
とにより、第一透明電極２４と第二透明電極２５をマト
リックス状に配置し、それらの交差部分を発光させてで
ドット表示を行うように構成される。FIG. 5 shows an automobile display device according to another embodiment. This automobile display device 21 has a dot-matrix transparent display portion 22. That is, the display 21 for an automobile has a first transparent electrode 24 formed in a vertical stripe shape on a glass substrate, and a first insulating layer, a light emitting layer, and a second insulating layer are sequentially formed on the first transparent electrode 24. By forming a film and forming the second transparent electrode 25 in the shape of a horizontal stripe on the second insulating layer, the first transparent electrode 24 and the second transparent electrode 25 are arranged in a matrix, and the intersections thereof emit light. Then, the dot display is performed.
【００２３】また、この自動車用表示器２１は、上記と
同様に、透明表示部２２の下縁部にのみ接続端子部２３
が形成され、その下縁部の接続端子部２３に各第一透明
電極２４と各第二透明電極２５から延設された透明接続
線部が接続される。Further, in the vehicle display device 21, the connection terminal portion 23 is provided only on the lower edge portion of the transparent display portion 22 as described above.
Is formed, and the transparent connection line portion extending from each first transparent electrode 24 and each second transparent electrode 25 is connected to the connection terminal portion 23 at the lower edge thereof.
【００２４】このような構成の自動車用表示器２１は、
上記と同様に、下縁部のみに接続端子部２３が形成さ
れ、透明表示部２２の上縁部と左右側縁部とがに接続端
子部がなく、透明体を構成しているため、ダッシュボー
ド上に設置しても、前方の視界が阻害されず、運転者
は、透明表示部２２に表示された文字、図形等を前方の
背景を見ながら視認することができる。The vehicle display 21 having such a structure is
Similar to the above, the connection terminal portion 23 is formed only on the lower edge portion, and the upper edge portion and the left and right side edge portions of the transparent display portion 22 do not have the connection terminal portion and thus form a transparent body. Even if it is installed on the board, the front view is not obstructed, and the driver can visually recognize the characters, figures, etc. displayed on the transparent display unit 22 while looking at the front background.
【図１】本発明の一実施例を示す自動車用表示器１の正
面図である。FIG. 1 is a front view of an automobile display 1 showing an embodiment of the present invention.
【図２】同自動車用表示器１の部分拡大断面図である。FIG. 2 is a partially enlarged cross-sectional view of the vehicle display device 1.
【図３】薄膜ＥＬ素子５の概略拡大断面図である。FIG. 3 is a schematic enlarged cross-sectional view of a thin film EL element 5.
【図４】自動車用表示器の使用状態を示す斜視図であ
る。FIG. 4 is a perspective view showing a usage state of an automobile display.
【図５】他の実施例を示すドットマトリックス式の自動
車用表示器２１の概略正面図である。FIG. 5 is a schematic front view of a dot matrix type automotive display 21 showing another embodiment.
【図６】他の実施例の発光表示部分を示す概略平面図で
ある。FIG. 6 is a schematic plan view showing a light emitting display portion of another embodiment.
１−自動車用表示器、 ２−透明表示部、 ３−接続端子部、 ４−ガラス基板、 ５−薄膜ＥＬ素子、 １０−第一透明電極、 １１−第一絶縁層、 １２−発光層、 １３−第二絶縁層、 １４−第二透明電極。 1-Vehicle display, 2-Transparent display part, 3-Connecting terminal part, 4-Glass substrate, 5-Thin film EL element, 10-First transparent electrode, 11-First insulating layer, 12-Light emitting layer, 13 -Second insulating layer, 14-Second transparent electrode.
Claims (3)
層と、発光層と、第二絶縁層と、第二透明電極とを順に
積層して、可視光を透過させる透明表示部を形成し、該
透明表示部内の両電極間に電圧を印加して該両電極間の
発光層を発光させる薄膜ＥＬ表示装置において、 前記第一透明電極と第二透明電極とが前記透明表示部の
一縁部のみに設けられた接続端子部に接続されているこ
とを特徴とする薄膜ＥＬ表示装置。1. A transparent display unit which transmits a visible light by sequentially laminating a transparent substrate, a first transparent electrode, a first insulating layer, a light emitting layer, a second insulating layer and a second transparent electrode. And a voltage is applied between both electrodes in the transparent display part to emit a light emitting layer between the two electrodes, wherein the first transparent electrode and the second transparent electrode are the transparent display part. A thin film EL display device, characterized in that the thin film EL display device is connected to a connection terminal portion provided only on one edge portion of.
トライプ状に形成されると共に、縦横に交差するように
配置されていることを特徴とする請求項１記載の薄膜Ｅ
Ｌ表示装置。2. The thin film E according to claim 1, wherein the first transparent electrode and the second transparent electrode are formed in a stripe shape and arranged so as to cross each other vertically and horizontally.
L display device.
周縁部を透明の接着剤によって接着されていることを特
徴とする請求項１又は２記載の薄膜ＥＬ表示装置。3. The thin film EL display device according to claim 1, wherein a transparent cover plate is attached to the back surface side of the transparent substrate at the peripheral edge thereof with a transparent adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6048763A JP2848236B2 (en) | 1994-03-18 | 1994-03-18 | Thin film EL display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6048763A JP2848236B2 (en) | 1994-03-18 | 1994-03-18 | Thin film EL display |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07263140A true JPH07263140A (en) | 1995-10-13 |
| JP2848236B2 JP2848236B2 (en) | 1999-01-20 |
Family
ID=12812325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6048763A Expired - Lifetime JP2848236B2 (en) | 1994-03-18 | 1994-03-18 | Thin film EL display |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2848236B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6066916A (en) * | 1996-08-19 | 2000-05-23 | Denso Corporation | Electroluminescent matrix display device |
| US6867541B2 (en) | 1999-10-01 | 2005-03-15 | Sanyo Electric Co., Ltd. | Line structure in electroluminescence display device |
| JP2009230107A (en) * | 2008-03-19 | 2009-10-08 | Teco Nanotech Co Ltd | Transmission type display |
| JP2011109153A (en) * | 2000-12-28 | 2011-06-02 | Semiconductor Energy Lab Co Ltd | Luminescent device |
-
1994
- 1994-03-18 JP JP6048763A patent/JP2848236B2/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6066916A (en) * | 1996-08-19 | 2000-05-23 | Denso Corporation | Electroluminescent matrix display device |
| US6867541B2 (en) | 1999-10-01 | 2005-03-15 | Sanyo Electric Co., Ltd. | Line structure in electroluminescence display device |
| JP2011109153A (en) * | 2000-12-28 | 2011-06-02 | Semiconductor Energy Lab Co Ltd | Luminescent device |
| JP2009230107A (en) * | 2008-03-19 | 2009-10-08 | Teco Nanotech Co Ltd | Transmission type display |
| TWI385613B (en) * | 2008-03-19 | 2013-02-11 | Teco Nanotech Co Ltd | Perspective display device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2848236B2 (en) | 1999-01-20 |
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