| 摘要 |
A light guide ( 30 ) for illuminating a keypad ( 20 ) including a plurality of keys (22) includes a plurality of apertures ( 300 ) corresponding to the keys, and an accommodating portion. The accommodating portion defines at least one receiving hole ( 320 ) for receiving at least one light source. A thickness of the light guide gradually reduces from the accommodating portion to surrounding portions of the light guide along at least one direction.
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