Electroluminescent element

Details Electroluminescent element Electroluminescent element

2006-05-08

2009-11-10

Menz, Douglas M (Department: 2891)

Semiconductor device manufacturing: process

Making device or circuit emissive of nonelectrical signal

Including integrally formed optical element

C438S022000, C438S099000

Reexamination Certificate

active

07615388

ABSTRACT:
The main object of the present invention is to provide a method for producing an EL element for realizing the high luminous efficiency, the high light takeout efficiency, the simplicity of the production process, and the formation of highly fine patterns. In order to achieve the above-mentioned object, the present invention provides a method for producing an EL element wherein at least one organic EL layer constituting the EL element is patterned by the use of a photolithography method.

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patent: 5953585 (1999-09-01), Miyaguchi
patent: 6863961 (2005-03-01), Miyashita et al.
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patent: 0961172 (1999-01-01), None
patent: 3-274693 (1991-12-01), None
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patent: 2001-237075 (2001-08-01), None
patent: WO 97/38445 (1997-10-01), None

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