JPH048298U - - Google Patents
Info
- Publication number
- JPH048298U JPH048298U JP4764590U JP4764590U JPH048298U JP H048298 U JPH048298 U JP H048298U JP 4764590 U JP4764590 U JP 4764590U JP 4764590 U JP4764590 U JP 4764590U JP H048298 U JPH048298 U JP H048298U
- Authority
- JP
- Japan
- Prior art keywords
- black
- back electrode
- light
- electrode
- thin film
- 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 4
- 239000007788 liquid Substances 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 239000000758 substrate Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
Landscapes
- Electroluminescent Light Sources (AREA)
Description
第１図は本考案の薄膜ＥＬ素子の一実施例を示
す断面図、第２図は従来のＥＬ薄膜素子を示す断
面図、第３図、第４図はコントラストを改善した
従来例を示す断面図である。
１……ガラス基板、２……透明電極、３，５…
…絶縁層、４……発光層、６……背面電極、７…
…交流電源、８，８ａ……封液、９……黒色絶縁
材、１０……ＣＴＯ、１１，１１ａ……ケース。
Fig. 1 is a cross-sectional view showing an embodiment of the thin film EL element of the present invention, Fig. 2 is a cross-sectional view showing a conventional EL thin film element, and Figs. 3 and 4 are cross-sectional views showing a conventional example with improved contrast. It is a diagram. 1... Glass substrate, 2... Transparent electrode, 3, 5...
...Insulating layer, 4...Light emitting layer, 6...Back electrode, 7...
...AC power supply, 8, 8a... Sealing liquid, 9... Black insulation material, 10... CTO, 11, 11a... Case.
Claims (1)
層された透明電極および背面電極からなり、前記
電極間に交流電圧を印加することにより前記発光
層を発光させる様にした薄膜ＥＬ素子において、
前記電極のうちの背面電極はＣＴＯ電極で形成さ
れ、この背面電極の後方に黒色絶縁層、黒色封止
液または黒色反射防止板のうちの少なくとも一つ
を配設したことを特徴とする薄膜ＥＬ素子。 A thin film EL element comprising an EL light-emitting layer, a transparent electrode and a back electrode stacked on an insulating substrate with an insulating layer in between, and in which the light-emitting layer is made to emit light by applying an alternating current voltage between the electrodes,
A thin film EL characterized in that the back electrode of the electrodes is formed of a CTO electrode, and at least one of a black insulating layer, a black sealing liquid, or a black antireflection plate is disposed behind the back electrode. element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4764590U JPH048298U (en) | 1990-05-09 | 1990-05-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4764590U JPH048298U (en) | 1990-05-09 | 1990-05-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH048298U true JPH048298U (en) | 1992-01-24 |
Family
ID=31563758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4764590U Pending JPH048298U (en) | 1990-05-09 | 1990-05-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH048298U (en) |
-
1990
- 1990-05-09 JP JP4764590U patent/JPH048298U/ja active Pending