INDUCTIVELY EXCITED QUANTUM DOT LIGHT EMITTING DEVICE
First Claim
1. An apparatus comprising:
- a light emitting device including a plurality of quantum dots; and
a first coil disposed contiguous to the light emitting device, wherein an electric field generated by the first coil causes the plurality of quantum dots to emit photons.
3 Assignments
0 Petitions
Accused Products
Abstract
A method and apparatus is provided for activating a layer (208, 308, 408) of free standing quantum dots. The apparatus comprises a first coil (216, 316, 426) disposed contiguous to a light emitting device (200, 300, 400, 612) including the free standing quantum dots. An alternating current is supplied to the coil (216, 316, 426) for generating an electric field, and the plurality of free standing quantum dots are subjected to the electric field thereby causing photons to be emitted therefrom. A structure (214, 328), such as a housing (620) of a portable electronic device (610, 710) may be positioned either, when opaque, between the light emitting device (300, 400) and the coil (316, 426), or, when transparent, on a side of the light emitting device (200) opposed to the coil (216).
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Citations
16 Claims
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1. An apparatus comprising:
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a light emitting device including a plurality of quantum dots; and a first coil disposed contiguous to the light emitting device, wherein an electric field generated by the first coil causes the plurality of quantum dots to emit photons. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An apparatus comprising:
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a housing; a light emitting device disposed contiguous to the housing, comprising; a cathode; a electron transparent layer formed over the cathode; at least one layer of a plurality of quantum dots disposed over the electron transport layer; a hole transport layer formed over the plurality of quantum dots; and an anode formed over the hole transport layer; a first coil disposed contiguous to the light emitting device, wherein an electric field generated by the first coil causes the plurality of quantum dots to emit photons. - View Dependent Claims (9, 10, 11, 12)
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13. A method of emitting photons from a light emitting device, comprising:
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supplying an alternating current to a coil for generating an electric field; and subjecting a plurality of free standing quantum dots to the electric field to cause the free standing quantum dots to emit photons. - View Dependent Claims (14, 15, 16)
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Specification