Light emitting diode device, method of fabrication and use thereof
First Claim
1. A light emitting diode device, for mounting on a surface, having a layer of p-type semiconductor material adjoining a layer of n-type semiconductor material and a light emitting region occupying a plane between the p- and n-type materials, wherein the light emitting diode device is fabricated for mounting with the plane occupied by the light emitting region substantially perpendicular to a plane occupied by the mounting surface.
1 Assignment
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Accused Products
Abstract
A light emitting diode device which, in use, has its light emitting region occupying a plane substantially perpendicular to a plane occupied by the surface on which the device is mounted. The primary light emission directions of the light emitting region are parallel to the surface on which the device is mounted. The device may have both its p-type and n-type semiconductor layers passivated by a layer or layers of light transmissive materials. There is a method for fabricating and mounting such a device. A plurality of the light emitting diode devices can be used in a lighting assembly for providing a plurality of independently controllable lit regions.
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Citations
26 Claims
- 1. A light emitting diode device, for mounting on a surface, having a layer of p-type semiconductor material adjoining a layer of n-type semiconductor material and a light emitting region occupying a plane between the p- and n-type materials, wherein the light emitting diode device is fabricated for mounting with the plane occupied by the light emitting region substantially perpendicular to a plane occupied by the mounting surface.
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4. A light emitting diode device for mounting on a surface occupying a first plane and having first and second primary light emission directions parallel to the first plane, the light emitting diode device comprising:
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a multi-layer semiconductor substrate comprising a first layer of a p-type semiconductor material, a second layer of a n-type semiconductor material located with the first layer forming a junction between the p- and n-type semiconductor materials and a light emission region occupying a second plane at the junction, and the light emitting diode device being fabricated for mounting on the surface with the second plane occupied by the light emission region substantially perpendicular to the first plane occupied by the surface. - View Dependent Claims (5, 6, 7, 8, 9, 10, 11, 12)
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- 13. An edge-mount light emitting diode device, for mounting on a surface, fabricated such that in use a light emitting region of the device occupies a plane substantially perpendicular to a plane occupied by the mounting surface.
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17. A method of mounting a light emitting diode device, comprising:
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providing a light emitting diode device and a surface on which the light emitting diode device is to be mounted, orientating the surface in a first plane, orientating the light emitting diode device so that a plane occupied by a light emitting region between the p-type and n-type semiconductor layers of the device is perpendicular to the first plane, and bonding or securing the light emitting diode device to the surface.
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18. A method of fabricating a light emitting diode device, comprising:
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on a first surface of a light transmissive substrate, forming a multi-layer semiconductor substrate comprising a first layer of a p-type semiconductor material, a second layer of a n-type semiconductor material located with the first layer for forming light emitting region at junction between the p- and n-type semiconductor materials, etching the multi-layer semiconductor substrate to expose positions of the first surface of the light transmissive substrate, attaching terminals to the p-type and n-type semiconductor materials, and providing a layer of light transmissive material on the first surface of a light transmissive substrate to passivate the p-type and n-type semiconductor materials. - View Dependent Claims (19, 20, 21)
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22. A method of mounting a light emitting diode device fabricated for edge mounting on a surface, the method comprising mounting the device on its edge on the surface such that a light emitting region of the device occupies a plane substantially perpendicular to a plane occupied by the surface.
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23. A lighting assembly for providing a plurality of independently controllable lit regions, comprising:
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a mounting surface for mounting a plurality of light emitting diode devices, and a plurality of light emitting diode devices fabricated for mounting to the mounting surface with a plane occupied by light emitting regions of the devices substantially perpendicular to a plane occupied by the mounting surface such that light emissions of the light emitting regions are parallel to the plane occupied by the mounting surface, wherein the plurality of light emitting diode devices are arranged on the mounting surface so that each light emitting device contributes light emissions to at least two lit regions. - View Dependent Claims (24, 25, 26)
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Specification