SEMICONDUCTOR LIGHT EMITTING DEVICE
First Claim
1. A semiconductor light emitting device comprising:
- a light emitting structure including a first conductivity type semiconductor layer, an active layer, and a second conductivity type semiconductor layer;
a first electrode connected to the first conductivity type semiconductor layer;
a second electrode including a contact layer connected to the second conductivity type semiconductor layer, a capping layer disposed on the contact layer, and a metal buffer layer disposed on the capping layer, the metal buffer layer encompasses an upper and lateral surface of the capping layer;
a first insulating layer disposed on the light emitting structure such that the first and second electrodes are exposed; and
a second insulating layer disposed on the first insulating layer such that at least a portion of the first electrode and at least a portion of the metal buffer layer are exposed.
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Accused Products
Abstract
A semiconductor light emitting device including a light emitting structure including a first conductivity type semiconductor layer, an active layer, and a second conductivity type semiconductor layer; a first electrode connected to the first conductivity type semiconductor layer; a second electrode including a contact layer connected to the second conductivity type semiconductor layer, a capping layer disposed on the contact layer, and a metal buffer layer disposed on the capping layer, the metal buffer layer encompasses an upper and lateral surface of the capping layer; a first insulating layer disposed on the light emitting structure such that the first and second electrodes are exposed; and a second insulating layer disposed on the first insulating layer such that at least a portion of the first electrode and at least a portion of the metal buffer layer are exposed.
30 Citations
20 Claims
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1. A semiconductor light emitting device comprising:
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a light emitting structure including a first conductivity type semiconductor layer, an active layer, and a second conductivity type semiconductor layer; a first electrode connected to the first conductivity type semiconductor layer; a second electrode including a contact layer connected to the second conductivity type semiconductor layer, a capping layer disposed on the contact layer, and a metal buffer layer disposed on the capping layer, the metal buffer layer encompasses an upper and lateral surface of the capping layer; a first insulating layer disposed on the light emitting structure such that the first and second electrodes are exposed; and a second insulating layer disposed on the first insulating layer such that at least a portion of the first electrode and at least a portion of the metal buffer layer are exposed. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A semiconductor light emitting device comprising:
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a light emitting structure including a first conductivity type semiconductor layer, an active layer, and a second conductivity type semiconductor layer; first and second electrodes connected to the first and second conductivity type semiconductor layers, respectively; an insulating layer disposed on the first and second electrodes; and a metal buffer layer interposed between the second electrode and the insulating layer and encompassing an end portion of the second electrode. - View Dependent Claims (15)
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16. A semiconductor light emitting device comprising:
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a light emitting structure including a first conductivity type semiconductor layer, an active layer, and a second conductivity type semiconductor layer; first and second electrodes connected to the first and second conductivity type semiconductor layers, respectively; an insulating layer disposed on the first and second electrodes; and a metal buffer layer disposed on the second electrode, wherein the metal buffer layer includes a structural characteristic such that the metal buffer layer has a higher crack resistance than the second electrode. - View Dependent Claims (17, 18, 19, 20)
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Specification