Non-polar semiconductor light emission devices
First Claim
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1. A light emitting device, comprising:
- a silicon substrate having a (111) surface;
a GaN crystal structure over the (111) surface of the silicon substrate, the GaN crystal structure having a non-polar plane and a first surface parallel to the non-polar plane that most strongly emits light; and
light emission layers for strongly emitting light over the first surface, the light emission layers having at least one quantum well comprising GaN.
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Abstract
A light emitting device includes a silicon substrate having a (100) upper surface. The (100) upper surface has a recess, the recess being defined in part by (111) surfaces of the silicon substrate. The light emitting device includes a GaN crystal structure over one of the (111) surfaces which has a non-polar plane and a first surface along the non-polar plane. Light emission layers over the first surface have at least one quantum well comprising GaN.
74 Citations
25 Claims
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1. A light emitting device, comprising:
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a silicon substrate having a (111) surface; a GaN crystal structure over the (111) surface of the silicon substrate, the GaN crystal structure having a non-polar plane and a first surface parallel to the non-polar plane that most strongly emits light; and light emission layers for strongly emitting light over the first surface, the light emission layers having at least one quantum well comprising GaN. - View Dependent Claims (2, 3, 4, 5)
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6. A light emitting device, comprising:
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a silicon substrate having a (111) surface; a GaN crystal structure over the (111) surface of the silicon substrate, the GaN crystal structure having a non-polar plane and a first surface parallel to the non-polar plane; and light emission layers over the first surface, the light emission layers having at least one quantum well comprising GaN, wherein the first surface is bordered with an edge of the (111) surface of the silicon substrate.
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7. A light emitting device, comprising:
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a silicon substrate having a (111) surface; a GaN crystal structure over the (111) surface of the silicon substrate, the GaN crystal structure having a non-polar plane and a first surface parallel to the non-polar plane; and light emission layers over the first surface, the light emission layers having at least one quantum well comprising GaN, wherein the GaN crystal structure comprises a semi-polar plane and a second surface parallel to the semi-polar plane. - View Dependent Claims (8, 9, 10, 11)
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12. A light emitting device, comprising:
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a silicon substrate having a (111) surface; a GaN crystal structure over the (111) surface of the silicon substrate, the GaN crystal structure having a non-polar plane and a first surface parallel to the non-polar plane; and light emission layers over the first surface, the light emission layers having at least one quantum well comprising GaN, further comprising a reflective layer between the (111) surface of the silicon substrate and the GaN crystal structure. - View Dependent Claims (13)
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14. A light emitting device, comprising:
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a silicon substrate having a (111) surface; a GaN crystal structure over the (111) surface of the silicon substrate, the GaN crystal structure having a non-polar plane and a first surface parallel to the non-polar plane; and light emission layers over the first surface, the light emission layers having at least one quantum well comprising GaN, wherein the silicon substrate further comprises; a (100) upper surface; and a recess, in part defined by the (111) surface of the silicon substrate, formed in the (100) upper surface. - View Dependent Claims (15)
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16. A light emitting device, comprising:
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a silicon substrate having a (100) upper surface, the (100) upper surface having a recess, the recess being defined in part by (111) surfaces of the silicon substrate; a GaN crystal structure over one of the (111) surfaces, the GaN crystal structure having a non-polar plane and a first surface parallel to the non-polar plane; and light emission layers over the first surface, the light emission layers having at least one quantum well comprising GaN. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25)
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Specification