| 摘要 |
A light-emitting diode ( 20 ) includes: a first electrode ( 202 ) with a supporting portion ( 201 ); a second electrode ( 203 ) opposite to the first electrode; a light-emitting chip ( 204 ) on the supporting portion, the light-emitting chip is electrically connected to the first electrode and the second electrode; and a cover ( 205 ) has a transparent aspheric portion ( 206 ), enclosing the light-emitting chip, the first electrode and the second electrode. The aspheric portion of the cover collimates light beams from the light-emitting chip so that emission performance of the light-emitting diode can be improved. A method for improving emitting directivity of light beams emitted from the light-emitting chip is also provided.
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