Organic electro-luminescence element and the manufacturing...

Details Organic electro-luminescence element and the manufacturing... Organic electro-luminescence element and the manufacturing...

2005-04-19

2005-04-19

Garrett, Dawn (Department: 1774)

Stock material or miscellaneous articles

Composite

Of inorganic material

C428S917000, C428S156000, C428S213000, C313S504000, C313S505000, C257S091000, C257S099000, C427S066000

Reexamination Certificate

active

06881501

ABSTRACT:
The invention increases the outgoing efficiency of light generated in an organic luminous layer of an organic electroluminescence element without decreasing the numerical aperture. A light-transmissive anode electrode layer, an organic luminous layer, and a light-reflective cathode layer are provided on the entire surface of one pixel region. On the anode layer, the organic luminous layer, and the cathode layer, slopes are installed protruding from the anode layer side to the cathode layer side. By this, light generated in the organic luminous layer, and irradiated in parallel to a cumulate surface of a cumulate body, is reflected by the slope on the boundary between the organic luminous layer and the cathode layer and exits toward the anode layer side.

REFERENCES:
patent: 4670690 (1987-06-01), Ketchpel
patent: 4963788 (1990-10-01), King et al.
patent: 5994836 (1999-11-01), Boer et al.
patent: 6046543 (2000-04-01), Bulovic et al.
patent: 6157127 (2000-12-01), Hosokawa et al.
patent: 6433487 (2002-08-01), Yamazaki
patent: 08-357028 (1998-07-01), None
patent: A-11-214163 (1999-08-01), None

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