Substrate for light-emitting diode
OwnerChuan-Cheng TUinventor
Life of this patent
Estimating the term…
Abstract
A substrate for light-emitting diode (LED) has a top surface being divided into a plurality of first units and a plurality of second units. The first units respectively have a plurality of first microstructures, and the second units respectively have a plurality of second microstructures different from the first microstructures of the first units. Any two adjacent ones of the first units have one second unit located therebetween, while the second units are located around each of the first units. The second units are micro-roughened surfaces that have a relatively small average height difference between tops and bottoms thereof, allowing bridging structures formed on the second units to have bottom portions with uniform thickness, which in turn enables increased good yield of LED production.
Claims10
A substrate for light-emitting diode (LED), comprising:
- a plurality of first units being formed on a top surface of the substrate for LED;
- and
- a plurality of second units being formed on the top surface of the substrate for LED;
- wherein the first units respectively have a plurality of first microstructures, and the second units respectively have a plurality of second microstructures different from the first microstructures of the first units;
- and each of the first units is located between the second units.
A substrate for light-emitting diode (LED), comprising:
- a plurality of first units with roughened surfaces being formed on a top surface of the substrate for LED;
- and
- a plurality of second units being formed on the top surface of the substrate for LED;
- wherein the second units respectively have a plurality of second microstructures different from the roughened surfaces of the first units;
- and any two adjacent ones of the first units have one second unit located therebetween, while the second units are located around each of the first units.
Dependencies are inferred from the claim text.