HARRICK PLASMA

High efficiency solid state light-emitting device and method of generating light

A solid state electrochemical light-emitting device has a high maximum luminance, a high external efficiency, a long half-life, and a low operating voltage. The device includes a solid layer of metal complex distributed in a polymer matrix. The solid layer is contacted by electrodes on each surface. An applied potential across the electrodes generates light with a luminance of at least 30 cd/m2. The light-emitting device can have external quantum efficiencies of at least 2.0%. A light-emitting circuit including an AC voltage waveform generator coupled to the electrodes of the device is also described.

Rubner, M. F., H. Rudmann

Massachusetts Institute of Technology

US 6630793

0000-00-00

2003-10-07

2008-08-11

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