Lighting device and system and method for making and using the same
AssigneeThe Boeing Company
InventorsKeith D. Humfeld, Morteza Safai
Life of this patent
Estimating the term…
Abstract
A lighting device includes a light-emitting diode (LED). A first carbon nanotube (CNT) is coupled to and extends from the LED. A second CNT is coupled to and extends from the LED. The first and second CNTs are configured to generate a voltage difference across the LED when the first and second CNTs are exposed to an electromagnetic (EM) field having a frequency within a predetermined range. The LED is configured to emit light when the voltage difference is greater than or equal to a threshold voltage.
Claims20
A lighting device comprising:
- a light-emitting diode (LED);
- a first carbon nanotube (CNT) coupled to and extending from the LED;
- and
- a second CNT coupled to and extending from the LED, wherein:
- the first and second CNTs are configured to generate a voltage difference across the LED when the first and second CNTs are exposed to an electromagnetic (EM) field having a frequency within a predetermined range,
- the EM field is generated by a diode light, a fluorescent light, a travelling waveguide tube, or a combination thereof,
- a length of the first CNT and a length of the second CNT are selected such that a total length of the lighting device is from about 30% to about 70% of a wavelength of the EM field when the frequency is within the predetermined range, and
- the LED is configured to emit light when the voltage difference is greater than or equal to a threshold voltage.
A lighting system comprising:
- a first electromagnetic (EM) source configured to generate an EM field having a frequency within a first predetermined range, wherein the first EM source is powered by an engine, an auxiliary power unit, a central power grid, an on-site energy storage, or a generator;
- and
- a first lighting device comprising:
- a first light-emitting diode (LED);
- a first carbon nanotube (CNT) coupled to and extending from the first LED;
- and
- a second CNT coupled to and extending from the first LED, wherein:
- the first and second CNTs are configured to generate a voltage difference across the first LED when the first and second CNTs are exposed to the EM field having the frequency within the first predetermined range,
- a length of the first CNT and a length of the second CNT are selected such that a total length of the first lighting device is from about 30% to about 70% of a wavelength of the EM field when the frequency is within the first predetermined range, and
- the first LED is configured to emit light when the voltage difference is greater than or equal to a threshold voltage.
A method for installing a lighting device that includes a light-emitting diode (LED), a first carbon nanotube (CNT) coupled to and extending from the LED, and a second CNT coupled to and extending from the LED, wherein the first and second CNTs are configured to generate a voltage difference across the LED when the first and second CNTs are exposed to a first EM field having a frequency within a first predetermined range, wherein the first EM field is generated by a diode light, a fluorescent light, a travelling waveguide tube, or a combination thereof, and wherein the LED is configured to emit light when the voltage difference is greater than or equal to a threshold voltage, the method comprising:
- applying a substrate to a surface, wherein the substrate comprises the lighting device coupled to the substrate.
Dependencies are inferred from the claim text.