Heterogeneous integrated high voltage DC/AC light emitter
First Claim
Patent Images
1. A light source comprising:
- an array of electrically isolated LEDs mounted on a substrate, each of said LEDs having a p-contact and an n-contact, a mount having an array of conductive elements, said array of electrically isolated LEDs connected to said array of conductive elements of said mount, terminals adapted to connect said array of conductive elements across a power source, and said array of conductive elements being arranged to provide an electrical connection between the p-contact of each of said LEDs and the n-contact of an adjacent LED whereby to serially connect each of said LEDs of said array.
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Abstract
A single-chip integrated LED particularly adapted for direct use with a high voltage DC or AC power sources comprises a plurality of electrically isolated LEDs on a generally transparent substrate and bonded to electrically conductive elements on a thermally conductive mount. A reflective coating may be applied to the area between LEDs.
235 Citations
44 Claims
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1. A light source comprising:
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an array of electrically isolated LEDs mounted on a substrate, each of said LEDs having a p-contact and an n-contact, a mount having an array of conductive elements, said array of electrically isolated LEDs connected to said array of conductive elements of said mount, terminals adapted to connect said array of conductive elements across a power source, and said array of conductive elements being arranged to provide an electrical connection between the p-contact of each of said LEDs and the n-contact of an adjacent LED whereby to serially connect each of said LEDs of said array. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A light source comprising:
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an array of electrically isolated LEDs mounted on a substrate, each of said LEDs having a p-contact and an n-contact, a mount having an array of conductive elements, said array of electrically isolated LEDs connected to said conductive elements of said mount, end terminals adapted to connect said array of conductive elements across a power source, and said array of conductive elements being arranged to provide an electrical connection between the p-contact of each of said LEDs and the n-contact of an adjacent LED to serially connect each of said LEDs of said array and present a direction of current flow whereby to emit light in response to connection across said power source. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
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33. A light source comprising:
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a first array of electrically isolated LEDs each having a p-contact and an n-contact, and mounted on a substrate, a second array of electrically isolated LEDs each having a p-contact and an n-contact, and mounted on said substrate, a third array of electrically isolated LEDs each having a p-contact and an n-contact, and mounted on said substrate, a mount having an array of conductive elements, end terminals adapted to connect said array of conductive elements across a power source, said first, second and third arrays of electrically isolated LEDs connected to said array of conductive elements, said array of conductive elements being arranged to provide an electrical connection between the p-contact or each of said LEDs and the n-contact of an adjacent LED to serially connect each of said LEDs of each of said arrays, whereby to emit light in response to connection of said end terminals across said power source. - View Dependent Claims (34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44)
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Specification