Organic electroluminescent device and a method of...

Details Organic electroluminescent device and a method of... Organic electroluminescent device and a method of...

2005-05-10

2005-05-10

Williams, Joseph (Department: 2879)

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

C313S498000

Reexamination Certificate

active

06891327

ABSTRACT:
An electroluminescent device (1) has a relief pattern (17) comprising overhanging sections (13) for patterning an electrode layer (11) of the device (1). In order to prevent the take up and transport of fluid, from which a functional layer (7, 9) is obtainable, along the capillary channels (23) formed by the overhanging sections (13), the relief pattern (17) comprises accompanying sections (15) which are positioned at distance of the overhanging sections (13) and between the sections (13) and the electroluminescent areas (21) comprising the functional layers (7, 9). A method of manufacturing the EL device (1) comprises depositing the functional layer or layers (7, 9) by means of a wet deposition method such as inkjet printing.

REFERENCES:
patent: 5701055 (1997-12-01), Nagayama et al.
patent: 0938248 (1999-08-01), None
patent: 0938248 (1999-08-01), None
patent: 2347017 (2000-08-01), None
patent: WO0139272 (2001-05-01), None

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