Carbon nanotube light emitting device, light source, and photo coupler
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United States of America Patent
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Nov 25, 2014
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Apr 1, 2011
filing date -
Apr 28, 2010
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Abstract
A plurality of electrodes, and carbon nanotubes disposed between the electrodes, at least part of the carbon nanotubes including a metal carbon nanotube are provided. The metal carbon nanotube generates heat upon passing of current to the electrodes and emits light by blackbody radiation, so that the emitted light has a wide emission wavelength region and can be modulated at high speed. This makes it possible to implement a continuum spectrum light source that can be modulated at high speed, which is suitable for use in information communication, electrical and electronic fields.
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