Apparatus for providing radiant energy
AssigneeQuantam Devices, Inc.
InventorsRonald W. Ignatius, Todd S. Martin
Life of this patent
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Abstract
The monolithic hybrid LED array includes a metal heat sink substrate, a ceramic layer on the substrate, and a plurality of series-connected epitaxially-formed LEDs connected by interconnects such as conductive ink strips. The array preferably includes three to six sets of series-connected LEDs that are tightly packed on the substrate. The LEDs are housed in a modular housing having a power regulating circuit and an override feature for overriding the regulator to produce the maximum LED output for brief periods of time. The regulator may continuously vary the light intensity output from the equivalent of 0 to 2000 micromols per second per meter squared.
Claims33
An array of optoelectronic devices comprising:
- a thermally-conductive substrate;
- a substantially non-electrically conductive layer disposed on said substrate;
- a first optoelectronic device disposed on said layer, including
- at least one first heterojunction;
- a first electrode interconnected with said first heterojunction;
- a second electrode interconnected with said first heterojunction;
- a second optoelectronic device disposed on said layer and connected in series with said first optoelectronic device, said second optoelectronic device including
- at least one second heterojunction;
- a third electrode interconnected with said second heterojunction;
- a fourth electrode interconnected with said second heterojunction;
- a first electrically-conductive interconnect disposed above said substantially non-conductive layer having a first end in electrical connection with said first electrode and having an opposite interconnect end in electrical connection with said fourth electrode;
- a regulator that is adapted to continuously vary the output of said first and second optoelectronic devices;
- and
- override means for briefly overriding said regulator to thereby briefly increase the output of said first and second optoelectronic devices.
An apparatus that provides radiant energy to at least one living cell, comprising:
- a housing;
- an array of optoelectronic devices disposed within and supported by said housing, said array including
- a thermally-conductive substrate;
- a substantially non-electrically conductive layer disposed on said substrate;
- a first optoelectronic device disposed on said layer and having a first electrode and a second electrode;
- a second optoelectronic device disposed on said layer and having a third electrode and a fourth electrode;
- a conductive interconnect disposed above said layer having one end electrically connected to said first electrode and having an opposite end electrically connected to said fourth electrode;
- a power source that supplies power to said array;
- a regulator that is adapted to continually vary the energy emitted from said array;
- and
- override means for briefly overriding said regulator to thereby briefly increase the energy emitted by said array.
Dependencies are inferred from the claim text.