Organic electroluminescent device and a method of...

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

2006-09-05

2006-09-05

Patel, Nimeshkumar D. (Department: 2879)

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

C313S505000, C313S506000, C445S023000, C445S024000, C428S917000, C427S066000

Reexamination Certificate

active

07102280

ABSTRACT:
An organic electroluminescent (EL) device (1) has at least one EL element (10) comprising an organic electroluminescent layer (6) and a relief pattern (7). The relief pattern serves to contain the fluid layer from which the EL layer (6) is obtained. In order to counteract the adverse effect the relief pattern may have on the service life of the EL device, the EL device is provided with an EL layer (6) substantially uniform in thickness. In addition, a matrix or segmented display device comprising a plurality of EL elements (10) is provided.In a preferred method of manufacturing the EL device the fluid layer is deposited by means of ink-jet printing, dispensing or spin-coating.

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patent: 6388377 (2002-05-01), Kobayashi et al.
patent: 6503831 (2003-01-01), Speakman
patent: 2004/0201048 (2004-10-01), Seki et al.
patent: 0880303 (1998-11-01), None
patent: WO9921936 (1999-05-01), None
patent: WO99/48339 (1999-09-01), None
patent: WO0048339 (2000-08-01), None

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