Micro-reflectors on a substrate for high-density LED array
First Claim
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1. A method for an optical array module, comprising:
- providing a substrate,forming a plurality of openings in the substrate,providing a 1-10 micron layer of conductive, reflective material in each opening, andmounting a semiconductor device that emits highly divergent light in a hemispherical radiation pattern within each opening wherein the layer of conductive, reflective material in each opening reflects light from its associated semiconductor device, and wherein the conductive, reflective material electrically connects the semiconductor device to a power source.
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Abstract
The present invention provides an optical array module that includes a plurality of semiconductor devices mounted on a thermal substrate formed with a plurality of openings that function as micro-reflectors, wherein each micro-reflector includes a layer of reflective material to reflect light. Such material preferably is conductive so as to provide electrical connection for its associated semiconductor device.
146 Citations
14 Claims
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1. A method for an optical array module, comprising:
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providing a substrate, forming a plurality of openings in the substrate, providing a 1-10 micron layer of conductive, reflective material in each opening, and mounting a semiconductor device that emits highly divergent light in a hemispherical radiation pattern within each opening wherein the layer of conductive, reflective material in each opening reflects light from its associated semiconductor device, and wherein the conductive, reflective material electrically connects the semiconductor device to a power source. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method for an LED micro-reflector array, comprising:
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forming a plurality of recesses in a substrate; providing a dielectric layer, a metal adhesion layer, and a barrier metal layer, in that order, on the substrate; providing an electrically conductive and optically reflective layer on the barrier metal layer; and mounting a semiconductor device that emits highly divergent light in a hemispherical radiation pattern within each recess wherein the electrically conductive and optically reflective layer in each recess reflects light from the corresponding semiconductor device, and wherein the electrically conductive and optically reflective layer electrically connects the semiconductor device to a power source. - View Dependent Claims (14)
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Specification