LIGHT EMITTING DEVICE AND LIGHT EMITTING APPARATUS HAVING THE SAME
First Claim
1. A light emitting device comprising:
- a transmissive substrate;
a first pattern portion disposed on a top surface of the transmissive substrate and including a plurality of protrusions;
a second pattern portion disposed on the top surface of the transmissive substrate and including a plurality of concaves each of which has a width smaller than a width of each protrusion;
a light emitting structure disposed under the transmissive substrate and including a first conductive semiconductor layer, a second conductive semiconductor layer and an active layer between the first and second conductive semiconductor layers;
a first electrode under the first conductive semiconductor layer;
a reflective electrode layer under the second conductive semiconductor layer;
a second electrode under the reflective electrode layer;
a first connection electrode under the first electrode;
a second connection electrode under the second electrode; and
an insulating support member disposed around the first electrode and the first connection electrode and around the second electrode and the second connection electrode and including a ceramic-based thermal diffusion agent.
1 Assignment
0 Petitions
Accused Products
Abstract
A light emitting device is provided a transmissive substrate; a first pattern portion including a protrusions; a second pattern portion including a concaves having a width smaller than a width of each protrusion; a light emitting structure under the transmissive substrate and including a first conductive semiconductor layer, a second conductive semiconductor layer and an active layer; a first electrode under the first conductive semiconductor layer; a reflective electrode layer under the second conductive semiconductor layer; a second electrode under the reflective electrode layer; a first connection electrode under the first electrode; a second connection electrode under the second electrode; and an insulating support member around the first electrode and the first connection electrode and around the second electrode and the second connection electrode and including a ceramic-based thermal diffusion agent.
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Citations
20 Claims
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1. A light emitting device comprising:
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a transmissive substrate; a first pattern portion disposed on a top surface of the transmissive substrate and including a plurality of protrusions; a second pattern portion disposed on the top surface of the transmissive substrate and including a plurality of concaves each of which has a width smaller than a width of each protrusion; a light emitting structure disposed under the transmissive substrate and including a first conductive semiconductor layer, a second conductive semiconductor layer and an active layer between the first and second conductive semiconductor layers; a first electrode under the first conductive semiconductor layer; a reflective electrode layer under the second conductive semiconductor layer; a second electrode under the reflective electrode layer; a first connection electrode under the first electrode; a second connection electrode under the second electrode; and an insulating support member disposed around the first electrode and the first connection electrode and around the second electrode and the second connection electrode and including a ceramic-based thermal diffusion agent. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A light emitting device comprising:
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a first conductive semiconductor layer; an active layer under the first conductive semiconductor layer; a second conductive semiconductor layer under the active layer; a first pattern portion disposed on a top surface of the first conductive semiconductor layer and including a plurality of protrusions; a second pattern portion disposed on the top surface of the first conductive semiconductor layer and including a plurality of concaves each of which has a width smaller than a width of each protrusion; a first electrode under the first conductive semiconductor layer; a reflective electrode layer under the second conductive semiconductor layer; a second electrode under the reflective electrode layer; a first connection electrode under the first electrode; a second connection electrode under the second electrode; and an insulating support member disposed around the first electrode and the first connection electrode and around the second electrode and the second connection electrode and including a ceramic-based thermal diffusion agent. - View Dependent Claims (16, 17, 18, 19)
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20. A light emitting apparatus comprising:
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a light emitting device including a support member formed at a lower portion of the light emitting device and first and second connection electrodes exposed to a bottom surface of the support member; a plurality of lead frames on which the first and second connection electrodes of the light emitting device are mounted; and a body on which the lead frames are installed, wherein the light emitting device comprises; a transmissive substrate; a first pattern portion disposed on a top surface of the transmissive substrate and including a plurality of protrusions; a second pattern portion disposed on the top surface of the transmissive substrate and including a plurality of concaves each of which has a width smaller than a width of each protrusion; a light emitting structure disposed under the transmissive substrate and including a first conductive semiconductor layer, a second conductive semiconductor layer and an active layer between the first and second conductive semiconductor layers; a first electrode between the first conductive semiconductor layer and the first connection electrode; a reflective electrode layer under the second conductive semiconductor layer; and a second electrode between the reflective electrode layer and the second connection electrode, and wherein the support member is disposed around the first electrode and the first connection electrode and around the second electrode and the second connection electrode and including a ceramic-based thermal diffusion agent, and wherein the first and second connection electrodes of the light emitting device and the bottom surface of the support member have an interval corresponding to a top surface of the lead frames.
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Specification