Organic electroluminescent display device and method for manufac

Details Organic electroluminescent display device and method for manufac Organic electroluminescent display device and method for manufac

1996-01-30

1998-09-08

O'Shea, Sandra L.

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

313503, 313505, 313500, H05B 3302

Patent

active

058049177

ABSTRACT:
An organic electroluminescent display device capable of permitting upper electrodes of a fine pattern to be formed and exhibiting increased durability. Ribs are spaced at predetermined intervals on transparent electrodes arranged in the form of a film on a lower transparent substrate. An organic layer is formed between each adjacent two of the ribs and an upper electrode is deposited all over the transparent electrodes. A portion of the upper electrode formed on each of the ribs is removed by scraping, rubbing or the like, resulting in the upper electrode being formed on only each of the organic layers. A cap layer may be provided on the upper electrode as required.

REFERENCES:
patent: 4015166 (1977-03-01), Ohshima et al.
patent: 4692662 (1987-09-01), Wada et al.
patent: 4803402 (1989-02-01), Raber et al.
patent: 4843281 (1989-06-01), Mendelsohn
patent: 5053679 (1991-10-01), Thioulouse
patent: 5276380 (1994-01-01), Tang
patent: 5302468 (1994-04-01), Namiki et al.
patent: 5634836 (1997-06-01), Lepselter

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