Emission of electromagnetic radiation and control of the properties of the emitted electromagnetic radiation
AssigneeJulius-Maximilians-UniversitäT WüRzburg
InventorsBert Hecht, Jens Pflaum, Rene Kullock, Stefan Zeissner, Monika Emmerling, Philipp Grimm, Enno Schatz
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Abstract
Provided is a device for emitting electromagnetic radiation. The device includes a first electrode, a second electrode, and an exciton recombination layer extending from the first electrode to the second electrode. The device is configured to relocate a recombination zone in the exciton recombination layer by changing an electric field between the first electrode and the second electrode, or to emit electromagnetic radiation through a transparent substrate.
Claims12
A device for emitting electromagnetic radiation, comprising:
- a first electrode;
- a second electrode;
- and
- an exciton recombination layer extending from the first electrode to the second electrode;
- wherein the device is configured to move a recombination zone in the exciton recombination layer towards or away from one of the first or second electrodes by reversing a polarity of the first and second electrodes,
- wherein the first electrode and the second electrode differ in size, shape, and/or orientation, and
- wherein the first electrode and the second electrode comprise nanostructures having shapes to serve as optical antennas.
A device for emitting electromagnetic radiation, comprising:
- a transparent substrate;
- a first electrode formed on the transparent substrate;
- a second electrode formed above the first electrode;
- and
- an exciton recombination layer between the first electrode to the second electrode;
- wherein the device is configured to emit the electromagnetic radiation through the transparent substrate,
- wherein the first electrode and the second electrode differ in size, shape, and/or orientation, and
- wherein the first electrode and the second electrode comprise nanostructures having shapes to serve as optical antennas.
A method for emitting electromagnetic radiation, the method comprising:
- at a first electrode and a second electrode, the first electrode and the second electrode comprising nanostructures having shapes to serve as optical antennas and differing in size, shape, and/or orientation, the first electrode and second electrode having an exciton recombination layer extending from the first electrode to the second electrode, applying an electric field to the first electrode and second electrode causing a recombination zone in the exciton recombination layer to occur at a first location;
- and
- reversing a polarity of the first and second electrodes causing the recombination zone in the exciton recombination layer to occur at a second different location.
Dependencies are inferred from the claim text.