LIGHT EMITTING DEVICE HAVING LIGHT EXTRACTION STRUCTURE AND METHOD FOR MANUFACTURING THE SAME
First Claim
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1. A light emitting device comprising:
- a conductive support structure;
a first electrode over the conductive support structure;
a semiconductor layer over the first electrode;
a light extracting structure arranged over the semiconductor layer; and
a second electrode over the semiconductor layer,wherein the light extracting structure is formed with a plurality of holes,wherein a transparent material is located in the holes,and wherein the refractive index of the light extracting structure is greater or less than the refractive index of the transparent material.
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Abstract
A nitride-based light emitting device capable of achieving an enhancement in emission efficiency and an enhancement in reliability is disclosed. The light emitting device includes a semiconductor layer, and a light extracting layer arranged on the semiconductor layer and made of a material having a refractive index equal to or higher than a reflective index of the semiconductor layer.
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Citations
24 Claims
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1. A light emitting device comprising:
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a conductive support structure; a first electrode over the conductive support structure; a semiconductor layer over the first electrode; a light extracting structure arranged over the semiconductor layer; and a second electrode over the semiconductor layer, wherein the light extracting structure is formed with a plurality of holes, wherein a transparent material is located in the holes, and wherein the refractive index of the light extracting structure is greater or less than the refractive index of the transparent material. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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Specification