| 摘要 |
A sheet switch module including a circuit board (22), at least one key switch (25) disposed on the circuit board, and a flexible light guiding sheet (31) which is disposed on the key switch and configured to cover the circuit board, the light guiding sheet being configured to flexibly fit over and follow the shape of the key switch along an outer surface of the key switch, when the light guiding sheet is disposed on the circuit board.
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