Invention Grant
- Patent Title: Solid state light emitting device and method of making same
- Patent Title (中): 固态发光器件及其制造方法
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Application No.: US11753103Application Date: 2007-05-24
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Publication No.: US08008676B2Publication Date: 2011-08-30
- Inventor: Gerald H. Negley , F. Neal Hunter
- Applicant: Gerald H. Negley , F. Neal Hunter
- Applicant Address: US NC Durham
- Assignee: Cree, Inc.
- Current Assignee: Cree, Inc.
- Current Assignee Address: US NC Durham
- Agency: Burr & Brown
- Main IPC: H01L33/00
- IPC: H01L33/00

Abstract:
There is provided a solid state light emitting device comprising at least one light emitting active layer structure and at least one structure selected from among: (1) a first element having at least a first region which has an index of refraction gradient, (2) a first element, at least a portion of which has an index of refraction which is lower than an index of refraction of a side of the active layer, (3) first and second elements, in which one side of the second element is positioned on a side of the active layer and the first element is positioned on the other side of the second element, and in which at least a portion of the first element has an index of refraction which is lower than the index of refraction of at least a portion of the second element. Also provided are methods of making such devices.
Public/Granted literature
- US20070280624A1 SOLID STATE LIGHT EMITTING DEVICE AND METHOD OF MAKING SAME Public/Granted day:2007-12-06
Information query
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