| 摘要 |
A key module includes a circuit board, at least a key, at least a light emitting unit and a light guide film. The key is disposed on the circuit board. The light emitting unit is coupled to the circuit board for providing a light source. The light guide film is disposed between the circuit board and the key for guiding the light source provided by the light emitting unit to the key. In addition, the material of the light guide film is a flexible light guide material.
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