Claims
- 1. A method of forming a novel organic electroluminescent display device which comprises the steps of:
forming a transparent anode of a plurality of stripes on a transparent supporting substrate; providing a plurality of separation walls between the stripes of the anode and over the transparent supporting substrate, wherein the separation walls have a height which is higher than a sum of a thickness of the anode and a predetermined value; forming an organic electroluminescent layer having a thickness corresponding to the above predetermined value over the anode and the separation walls; and placing a shadow mask having a plurality of slits on and in securely contact with top surfaces of the separation walls so that a metal material is evaporated through the shadow mask to selectively form a cathode of a plurality of stripes over the organic electroluminescent layer.
- 2. The method as claimed in claim 1, wherein the shadow mask has a large number of stripe-shaped openings, each of which extends continuously over the substrate.
- 3. The method as claimed in claim 1, wherein that the shadow mask has a large number of stripe-shaped openings, each of which comprises a plurality of segments separated by gaps and aligned over the substrate.
- 4. The method as claimed in claim 1, wherein the shadow mask with a magnetic field generator which generates a magnetic field is used for forcing the shadow mask in contact securely with the tops of the separation walls whereby the degree of fitness of the shadow mask onto the separation walls.
- 5. The method as claimed in claim 1, wherein the separation walls are made by a photo-resist technique using a photo-resist film.
Priority Claims (1)
Number |
Date |
Country |
Kind |
09-037439 |
Feb 1997 |
JP |
|
RELATED APPLICATION
[0001] This application is a division of co-pending application Ser. No. 09/027,557 filed on Feb. 23, 1998, the entire contents of which are hereby incorporated by reference.
Divisions (1)
|
Number |
Date |
Country |
Parent |
09027557 |
Feb 1998 |
US |
Child |
09818732 |
Mar 2001 |
US |