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US 2010/0244072 A1Published application
Light-emitting devices and methods of fabricating the same
AssigneeSamsung Electronics Co., Ltd.
InventorYu-Sik KIM
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Abstract
A light-emitting device includes: a substrate; a light-emitting element is mounted on a first surface of the substrate; at least one uneven heat dissipation pattern is formed on at least one surface of the substrate; and an electrode covers at least a portion of the at least one uneven heat dissipation pattern and is connected to the light-emitting element.
Claims17
A light-emitting device comprising:
- a substrate;
- at least one uneven heat dissipation pattern on at least one of a first and second surfaces of the substrate;
- a light-emitting element on the first surface of the substrate;
- and
- an electrode covering at least a portion of the at least one uneven heat dissipation pattern and connected to the light-emitting element.
2 more elements
A method of fabricating a light-emitting device, the method comprising forming insulating films on a first and second surface of a substrate;
- forming zener impurity regions on the second surface of the substrate;
- etching the first and second surface of the substrate to form a plurality of heat dissipation patterns;
- etching grooves on the heat dissipation patterns to form electrode holes;
- forming a passivation film on the first and second surfaces of the substrate excluding the zener impurity regions;
- forming a first and second electrode on the first and second surface of the substrate, respectively;
- and
- forming a light-emitting element on the first electrode.
4 more elements
Dependencies are inferred from the claim text.