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US 10,381,512 B2Granted
Light-emitting device
AssigneeEpistar Corporation
InventorYi-Chieh Lin
Life of this patent
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Abstract
The present disclosure provides a light-emitting device. The light-emitting device includes a substrate, a light-emitting stack on the substrate, and a semiconductor window layer comprising AlGaInP series material disposed between the substrate and the light-emitting stack.
Claims20
A light-emitting device comprising:
- a permanent substrate comprising gallium arsenide and having a first surface and a second surface opposite to the first surface;
- a light-emitting stack on the first surface of the permanent substrate;
- a first electrode disposed on the light-emitting stack and comprising an extending electrode;
- and
- a second electrode disposed on the second surface of the permanent substrate, and having a pattern comprising a mesh or a plurality of circles from a top view of the light-emitting device.
2 more elements
A light-emitting device comprising:
- a permanent substrate;
- a light-emitting stack emitted infrared light on the permanent substrate, wherein a wavelength of the infrared light is larger than 900 nm;
- a semiconductor window layer comprising AlGaInP series material disposed between the permanent substrate and the light-emitting stack;
- and
- a patterned electrode on the light-emitting stack, and having a pattern comprising a mesh or circles from a top view of the light-emitting device.
2 more elements
A light-emitting device comprising:
- a permanent substrate comprising a first surface and a second surface opposite to the first surface;
- a light-emitting stack on the first surface of the permanent substrate and comprising aluminum gallium arsenide;
- a first electrode disposed on the light-emitting stack and comprising an extending electrode;
- and
- a second electrode disposed on the second surface of the permanent substrate, and having a pattern comprising a mesh or a plurality of circles from a top view of the light-emitting device.
2 more elements
Dependencies are inferred from the claim text.