Light emitting device
First Claim
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1. A light emitting device, comprising:
- a light emitting semiconductor layer comprising a first conductive semiconductor layer, an active layer and a second conductive semiconductor layer;
an electrode layer on the first conductive semiconductor layer;
a first passivation layer on the light emitting semiconductor layer; and
a second passivation layer on the first passivation layer,wherein the first passivation layer comprises an inorganic material,wherein the second passivation layer comprises an organic material,wherein the first conductive semiconductor layer has a top surface that has a downwardly-recessed groove, a plurality of protrusions being disposed on a bottom surface of the groove,wherein the electrode layer is disposed on a bottom surface of the groove, andwherein the electrode layer substantially has the same top surface as that of the top surface of the first conductive semiconductor layer.
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Abstract
Disclosed is a light emitting device. The light emitting device comprises a light emitting semiconductor layer comprising a first conductive semiconductor layer, an active layer and a second conductive semiconductor layer, a first passivation layer on the light emitting semiconductor layer, and a second passivation layer on the first passivation layer and has an elastic modulus of 2.0 to 4.0 GPa.
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Citations
17 Claims
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1. A light emitting device, comprising:
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a light emitting semiconductor layer comprising a first conductive semiconductor layer, an active layer and a second conductive semiconductor layer; an electrode layer on the first conductive semiconductor layer; a first passivation layer on the light emitting semiconductor layer; and a second passivation layer on the first passivation layer, wherein the first passivation layer comprises an inorganic material, wherein the second passivation layer comprises an organic material, wherein the first conductive semiconductor layer has a top surface that has a downwardly-recessed groove, a plurality of protrusions being disposed on a bottom surface of the groove, wherein the electrode layer is disposed on a bottom surface of the groove, and wherein the electrode layer substantially has the same top surface as that of the top surface of the first conductive semiconductor layer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 15, 16)
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8. A light emitting device, comprising:
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a support layer; a first electrode layer on the support layer; a light emitting semiconductor layer on the first electrode layer and comprising a first conductive semiconductor layer, an active layer and a second conductive semiconductor layer; a second electrode layer on the first conductive semiconductor layer of the light emitting semiconductor layer; a first passivation layer which surrounds the light emitting semiconductor layer and comprises an inorganic material; and a second passivation layer which surrounds the first passivation layer and comprises an organic material, wherein the first conductive semiconductor layer has a top surface that has a downwardly-recessed groove, a plurality of protrusions being disposed on a bottom surface of the groove, wherein the second electrode layer is disposed on a bottom surface of the groove, and wherein the second electrode layer substantially has the same top surface as that of the top surface of the first conductive semiconductor layer. - View Dependent Claims (9, 10, 11, 12, 13, 14, 17)
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Specification