III-Phosphide and III-Arsenide flip chip light-emitting devices
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Accused Products
Abstract
A light-emitting semiconductor device includes a stack of layers including an active region. The active region includes a semiconductor selected from the group consisting of III-Phosphides, III-Arsenides, and alloys thereof. A superstrate substantially transparent to light emitted by the active region is disposed on a first side of the stack. First and second electrical contacts electrically coupled to apply a voltage across the active region are disposed on a second side of the stack opposite to the first side. In some embodiments, a larger fraction of light emitted by the active region exits the stack through the first side than through the second side. Consequently, the light-emitting semiconductor device may be advantageously mounted as a flip chip to a submount, for example.
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Citations
41 Claims
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1-36. -36. (Canceled).
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37. A method of forming a light-emitting semiconductor device, said method comprising:
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forming a structure including a stack of semiconductor layers overlying a host substrate, said stack including an active region, said active region comprising a semiconductor selected from the group consisting of III-Phosphides, III-Arsenides, and alloys thereof, attaching a superstrate to a first side of said structure, said superstrate substantially transparent to light emitted by said active region;
removing at least a portion of said host substrate; and
forming a first electrical contact and a second electrical contact on a second side of said structure opposite to said first side, said first electrical contact and said second electrical contact electrically coupled to apply a voltage across said active region. - View Dependent Claims (38, 39, 40, 41)
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Specification