Organic semiconductor light-emitting device and display...

Details Organic semiconductor light-emitting device and display... Organic semiconductor light-emitting device and display...

2011-07-05

2011-07-05

Parker, Ken A (Department: 2815)

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

Incoherent light emitter structure

C257S040000

Reexamination Certificate

active

07973320

ABSTRACT:
An organic semiconductor light-emitting device having the form of a field-effect transistor and a display using this device is provided. In the device, electrons and holes can be transported. The device comprises an organic semiconductor light-emitting layer capable of emitting light by recombination of holes and electrons, a hole injection electrode for injecting holes into the organic semiconductor light-emitting layer, an electron injection electrode for injecting electrons into the organic semiconductor light-emitting layer, and a gate electrode so disposed as to be opposed to the organic semiconductor light-emitting layer between the electrodes. When a control voltage is applied to the gate electrode, the carrier distribution in the organic semiconductor light-emitting layer is controlled. Thus, the light emission can be turned on/off and the emission intensity can be modulated.

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Sakanoue, T. et al, “Visible light emission from polymer-based field-effect transistors”, Applied Physics Letters, vol. 84, No. 16, Apr. 19, 2004, pp. 3037-3039.

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