Organic/inorganic alloys used to improve organic electroluminesc

Details Organic/inorganic alloys used to improve organic electroluminesc Organic/inorganic alloys used to improve organic electroluminesc

1996-09-12

2000-02-08

Dutton, Brian

Active solid-state devices (e.g., transistors, solid-state diode

Organic semiconductor material

257103, 313504, 313506, 428917, H01L 3524, H01L 5100, H01L 3300, H01L 162

Patent

active

060230738

ABSTRACT:
The above objects have been accomplished by providing an OLED having an organic active (53) region with at least one emission layer (EL). The OLED further comprises at least one organic charge transport layer (52) (either a hole transport layer or an electron transport layer), an anode (51) and a cathode (54). This organic charge transport layer (52) is alloyed by introduction of an inorganic component. If said alloyed charge transport layer (52) is a hole transport layer (HTL), for example, the holes are conducted through it by means of the inorganic constituents with reduced voltage drop or heating.

REFERENCES:
patent: 5093698 (1992-03-01), Egusa
patent: 5559400 (1996-09-01), Nakayama et al.
patent: 5652067 (1997-07-01), Ito et al.
patent: 5674597 (1997-10-01), Fujii et al.
patent: 5756224 (1998-05-01), Borner et al.

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