LIGHT EMITTING DIODE ARRAY CONTAINING A MULTILAYER BUS ELECTRODE AND METHOD OF MAKING THE SAME
First Claim
1. A light emitting device comprising:
- a backplane;
an array of light emitting diodes attached to a front side of the backplane;
a dielectric matrix layer located on the front side of the backplane and laterally surrounding the array of light emitting diodes;
a transparent conductive layer contacting front side surfaces of the light emitting diodes; and
a patterned bus electrode layer electrically shorted to the transparent conductive layer and including an array of openings therein, wherein each light emitting diode within the array of light emitting diodes is located within an area of a respective opening through the patterned bus electrode layer.
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Abstract
A light emitting device includes a backplane, an array of light emitting diodes attached to a front side of the backplane, a dielectric matrix layer located on the front side of the backplane and laterally surrounding the array of light emitting diodes, a transparent conductive layer contacting a front side surface of light emitting diodes within the array of light emitting diodes, and a patterned bus electrode layer electrically shorted to the transparent conductive layer and including an array of openings therein. Each light emitting diode within the array of light emitting diodes is located within an area of a respective opening through the patterned bus electrode layer. The patterned bus electrode layer can include at least one light-absorptive electrically conductive layer providing light absorption. Alternatively or additionally, the patterned bus electrode layer can include a reflective metal layer.
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Citations
20 Claims
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1. A light emitting device comprising:
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a backplane; an array of light emitting diodes attached to a front side of the backplane; a dielectric matrix layer located on the front side of the backplane and laterally surrounding the array of light emitting diodes; a transparent conductive layer contacting front side surfaces of the light emitting diodes; and a patterned bus electrode layer electrically shorted to the transparent conductive layer and including an array of openings therein, wherein each light emitting diode within the array of light emitting diodes is located within an area of a respective opening through the patterned bus electrode layer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A method of forming a light emitting device, comprising:
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attaching an array of light emitting diodes to a front side of a backplane; forming a dielectric matrix layer on the front side of the backplane around the array of light emitting diodes; and forming a combination of a transparent conductive layer and a patterned bus electrode layer over the dielectric matrix layer, wherein; the transparent conductive layer is formed directly on a front side surface of light emitting diodes within the array of light emitting diodes; the patterned bus electrode layer is electrically shorted to the transparent conductive layer and includes an array of openings therein; and each light emitting diode within the array of light emitting diodes is located within an area of a respective opening through the patterned bus electrode layer. - View Dependent Claims (19, 20)
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Specification