LIGHT EMITTING DEVICE AND LIGHTING SYSTEM
First Claim
1. A light emitting device comprising:
- a substrate;
a first conductive semiconductor layer on the substrate;
an active layer on the first conductive semiconductor layer;
a second conductive semiconductor layer on the active layer;
an contact layer on the second conductive semiconductor layer;
an insulating layer on the contact layer;
a first branch electrode electrically connected to the first conductive semiconductor layer;
a plurality of first via electrodes connected to the first branch electrode and electrically connected to the first conductive semiconductor layer by passing through the insulating layer;
a first pad electrode electrically connected to the first branch electrode;
a second pad electrode contacts the contact layer by passing through the insulating layer;
a second branch electrode connected to the second pad electrode and disposed on the insulating layer; and
a plurality of second via electrodes provided through the insulating layer to electrically connect the second branch electrode to the contact layer.
2 Assignments
0 Petitions
Accused Products
Abstract
Disclosed are a light emitting device, a method of manufacturing a light emitting device, a light emitting device package and a lighting system. The light emitting device includes a substrate; a first conductive semiconductor layer on the substrate; an active layer on the first conductive semiconductor layer; a second conductive semiconductor layer on the active layer; a contact layer on the second conductive semiconductor layer; an insulating layer on the contact layer; a first branch electrode electrically connected to the first conductive semiconductor layer; a plurality of first via electrodes connected to the first branch electrode and electrically connected to the first conductive semiconductor layer by passing through the insulating layer; a first pad electrode electrically connected to the first branch electrode; a second pad electrode contacts the contact layer by passing through the insulating layer; a second branch electrode connected to the second pad electrode and disposed on the insulating layer; and a plurality of second via electrodes provided throughprovided through the insulating layer to electrically connect the second branch electrode to the contact layer.
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Citations
20 Claims
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1. A light emitting device comprising:
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a substrate; a first conductive semiconductor layer on the substrate; an active layer on the first conductive semiconductor layer; a second conductive semiconductor layer on the active layer; an contact layer on the second conductive semiconductor layer; an insulating layer on the contact layer; a first branch electrode electrically connected to the first conductive semiconductor layer; a plurality of first via electrodes connected to the first branch electrode and electrically connected to the first conductive semiconductor layer by passing through the insulating layer; a first pad electrode electrically connected to the first branch electrode; a second pad electrode contacts the contact layer by passing through the insulating layer; a second branch electrode connected to the second pad electrode and disposed on the insulating layer; and a plurality of second via electrodes provided through the insulating layer to electrically connect the second branch electrode to the contact layer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A light emitting device comprising:
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a light emitting structure including a first conductive semiconductor layer, an active layer and a second conductive semiconductor layer; a first branch electrode electrically connected to the first conductive semiconductor layer; a plurality of third via electrodes connected to the first branch electrode and electrically connected to the first conductive semiconductor layer by passing through a predetermined insulating layer; a second branch electrode electrically connected to the second conductive semiconductor layer while interposing a contact layer between the second branch electrode and the second conductive semiconductor layer; and a plurality of second via electrodes disposed between the second branch electrode and the contact layer while passing through the insulating layer, wherein one of the third via electrodes electrically connected to the first conductive semiconductor layer has a third horizontal width wider than a second horizontal width of the second via electrode disposed on the contact layer. - View Dependent Claims (13, 14, 15)
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16. A lighting system comprising a light source module, wherein the light source module comprises:
a substrate;
a first conductive semiconductor layer on the substrate;
an active layer on the first conductive semiconductor layer;
a second conductive semiconductor layer on the active layer;
a contact layer on the second conductive semiconductor layer;
an insulating layer on the contact layer;
a first branch electrode electrically connected to the first conductive semiconductor layer;
a plurality of first via electrodes connected to the first branch electrode and passing through the insulating layer such that the first via electrodes are electrically connected to the first conductive semiconductor layer;
a first pad electrode electrically connected to the first branch electrode;
a second pad electrode passing through the insulating layer such that the second pad contacts the contact layer;
a second branch electrode connected to the second pad electrode and disposed on the insulating layer; and
a plurality of second via electrodes passing through the insulating layer such that the second branch electrode and the contact layer are electrically connecting to each other.- View Dependent Claims (17, 18, 19, 20)
Specification