Organic light emitting diode having thin insulating layer

Details Organic light emitting diode having thin insulating layer Organic light emitting diode having thin insulating layer

1997-04-14

1999-09-07

Mintel, William

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

Organic semiconductor material

257 86, 257 87, 257 98, 257103, H01L 3300

Patent

active

059490896

ABSTRACT:
An organic light emitting diode having a lower electrode formed on a glass substrate, and an emissive layer and an upper electrode formed atop each other on the lower electrode. A thin insulating layer is disposed between the emissive layer and the lower or upper electrode. The thin insulating layer has a thickness within a range where tunneling occurs. The thin insulating layer is inserted between the emissive layer and electrode, so as to balance the injection of electrons a holes into the emissive layer.

REFERENCES:
patent: 5006729 (1991-04-01), Meijer et al.
patent: 5294810 (1994-03-01), Egusa et al.
patent: 5513288 (1996-04-01), Mayer
patent: 5619058 (1997-04-01), Kim

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