| 摘要 |
The device comprises PCB plate (8) mounting light emitting diode (LED,6) and switch contact point (9), button (2) set with conducting contact point (10) on the upper surface of the switch contact point by an elastic member (7), light dispersing plate (1) formed with LED inserting grooves (4) and button inserting holes (5) between a housing (3) and a light reflecting plate (11). The device increases fidelity and quality of the product by dispersing light evenly.
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