| 摘要 |
A light emitting diode includes a light emitting diode chip and first and second encapsulation units respectively of first and second encapsulating materials. The first encapsulation unit encapsulates the light emitting diode chip. The first encapsulation unit includes a light emitting surface defining a plurality of recesses therein and forming a plurality of first protrusions between the recesses. The first protrusions are alternately arranged with the recesses. The second encapsulation unit covers the light emitting surface of the first encapsulation unit. The second encapsulation unit includes a plurality of filling portions filling the recesses of the first encapsulation unit, respectively, and a plurality of second protrusions on the first protrusions, respectively.
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