JPH01155298U - - Google Patents
Info
- Publication number
- JPH01155298U JPH01155298U JP5127988U JP5127988U JPH01155298U JP H01155298 U JPH01155298 U JP H01155298U JP 5127988 U JP5127988 U JP 5127988U JP 5127988 U JP5127988 U JP 5127988U JP H01155298 U JPH01155298 U JP H01155298U
- Authority
- JP
- Japan
- Prior art keywords
- back electrode
- thin film
- insulating layer
- view
- coefficient
- 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
- 239000010409 thin film Substances 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 2
- 239000000758 substrate Substances 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims 1
- 229910045601 alloy Inorganic materials 0.000 claims 1
- 230000015556 catabolic process Effects 0.000 description 2
Landscapes
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
第１図は本考案に係る薄膜ＥＬパネルの一実施
例を示す断面図で、右半分はＸ方向の断面図、左
半分はＹ方向の断面図である。第２図は従来の薄
膜ＥＬパネルの構造例を示す断面図で、右半分は
Ｘ方向の断面図、左半分はＹ方向の断面図、第３
図は薄膜ＥＬパネルでの画素部分を示す部分拡大
平面図、第４図は背面電極での自己回復型絶縁破
壊を示す部分拡大平面図、第５図は背面電極での
伝播型絶縁破壊を示す部分拡大平面図、第６図は
、背面電極のエツジ部を示す部分拡大平面図、第
７図は背面電極のエツジ部から発生したＳｎウイ
スカーを示す部分拡大平面図である。
１４…透光性基板、１５…薄膜ＥＬ素子、１６
…透明電極、１７…第１の絶縁層、１８…発光層
、１９…第２の絶縁層、２０…背面電極、２１…
金属薄膜。
FIG. 1 is a sectional view showing an embodiment of a thin film EL panel according to the present invention, with the right half being a sectional view in the X direction and the left half being a sectional view in the Y direction. Figure 2 is a cross-sectional view showing an example of the structure of a conventional thin-film EL panel; the right half is a cross-sectional view in the X direction, the left half is a cross-sectional view in the Y direction, and the third
The figure is a partially enlarged plan view showing the pixel portion of a thin-film EL panel, Figure 4 is a partially enlarged plan view showing self-healing dielectric breakdown at the back electrode, and Figure 5 is a partially enlarged plan view showing propagation type dielectric breakdown at the back electrode. FIG. 6 is a partially enlarged plan view showing the edge portion of the back electrode, and FIG. 7 is a partially enlarged plan view showing Sn whiskers generated from the edge portion of the back electrode. 14... Transparent substrate, 15... Thin film EL element, 16
...Transparent electrode, 17...First insulating layer, 18...Light emitting layer, 19...Second insulating layer, 20...Back electrode, 21...
Metal thin film.
Claims (1)
１の絶縁層、発光層、第２の絶縁層及びストライ
プ状の背面電極を順次積層形成してなる薄膜ＥＬ
素子を有する薄膜ＥＬパネルにおいて、 前記背面電極をＳｎで形成するとともに、この
背面電極の少なくともエツジ部を第２の絶縁層の
熱膨張係数に対しＳｎと同程度の熱膨張係数を有
する金属あるいは合金で覆つたことを特徴とする
薄膜ＥＬパネル。[Claims for Utility Model Registration] A thin film EL in which a striped transparent electrode, a first insulating layer, a light emitting layer, a second insulating layer, and a striped back electrode are sequentially laminated on a transparent substrate.
In the thin film EL panel having the element, the back electrode is formed of Sn, and at least the edge portion of the back electrode is formed of a metal or alloy having a coefficient of thermal expansion comparable to that of Sn with respect to the coefficient of thermal expansion of the second insulating layer. A thin film EL panel characterized by being covered with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5127988U JPH01155298U (en) | 1988-04-15 | 1988-04-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5127988U JPH01155298U (en) | 1988-04-15 | 1988-04-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01155298U true JPH01155298U (en) | 1989-10-25 |
Family
ID=31277308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5127988U Pending JPH01155298U (en) | 1988-04-15 | 1988-04-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01155298U (en) |
-
1988
- 1988-04-15 JP JP5127988U patent/JPH01155298U/ja active Pending
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