WAFER LEVEL LED PACKAGE STRUCTURE FOR INCREASING LIGHT-EMITTING EFFICIENCY AND HEAT-DISSIPATING EFFECT AND METHOD FOR MANUFACTURING THE SAME
First Claim
1. A wafer level LED package structure for increasing light-emitting efficiency and heat-dissipating effect, comprising:
- a light-emitting unit having a substrate body, a light-emitting body disposed on the substrate body, a positive conductive layer and a negative conductive layer both formed on the light-emitting body, and a light-emitting area formed in the light-emitting body;
a reflecting unit having a reflecting layer formed between the positive conductive layer and the negative conductive layer and on the substrate body for covering external sides of the light-emitting body;
a first conductive unit having a first positive conductive layer formed on the positive conductive layer and a first negative conductive layer formed on the negative conductive layer; and
a second conductive unit having a second positive conductive structure formed on the first positive conductive layer and a second negative conductive structure formed on the first negative conductive layer.
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Abstract
A wafer level LED package structure includes a light-emitting unit, a reflecting unit, a first conductive unit and a second conductive unit. The light-emitting unit has a substrate body, a light-emitting body disposed on the substrate body, a positive and a negative conductive layers formed on the light-emitting body, and a light-emitting area formed in the light-emitting body. The reflecting unit has a reflecting layer formed between the positive and the negative conductive layers and on the substrate body for covering external sides of the light-emitting body. The first conductive unit has a first positive conductive layer formed on the positive conductive layer and a first negative conductive layer formed on the negative conductive layer. The second conductive unit has a second positive conductive structure formed on the first positive conductive layer and a second negative conductive structure formed on the first negative conductive layer.
15 Citations
20 Claims
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1. A wafer level LED package structure for increasing light-emitting efficiency and heat-dissipating effect, comprising:
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a light-emitting unit having a substrate body, a light-emitting body disposed on the substrate body, a positive conductive layer and a negative conductive layer both formed on the light-emitting body, and a light-emitting area formed in the light-emitting body; a reflecting unit having a reflecting layer formed between the positive conductive layer and the negative conductive layer and on the substrate body for covering external sides of the light-emitting body; a first conductive unit having a first positive conductive layer formed on the positive conductive layer and a first negative conductive layer formed on the negative conductive layer; and a second conductive unit having a second positive conductive structure formed on the first positive conductive layer and a second negative conductive structure formed on the first negative conductive layer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method for making a wafer level LED package structure for increasing light-emitting efficiency and heat-dissipating effect, comprising:
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providing a wafer having a plurality of light-emitting units, wherein each light-emitting unit has a substrate body, a light-emitting body disposed on the substrate body, a positive conductive layer and a negative conductive layer both formed on the light-emitting body, and a light-emitting area formed in the light-emitting body; cutting one part of the light-emitting body in order to expose peripheral area of a top surface of the substrate body; forming a reflecting layer between the positive conductive layer and the negative conductive layer and on the peripheral area of the top surface of the substrate body in order to cover external sides of the light-emitting body and expose the positive conductive layer and the negative conductive layer; respectively forming a plurality of first conductive units on the light-emitting units, wherein each first conductive unit has a first positive conductive layer formed on the corresponding positive conductive layer and a first negative conductive layer formed on the corresponding negative conductive layer; and respectively forming a plurality of second conductive units on the first conductive units, wherein each second conductive unit has a second positive conductive structure formed on the corresponding first positive conductive layer and a second negative conductive structure formed on the corresponding first negative conductive layer. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification