| 摘要 |
A reflective light guiding mechanism ( 10 ) for illuminating a keypad assembly of a portable electronic device is provided. The reflective light guiding mechanism includes a light guiding plate ( 12 ), a reflective layer ( 14 ), and a plurality of light sources ( 16 ). The reflective layer is formed on a surface of the light guiding plate. The reflective layer is made of aluminum, aluminized polyester or their combination. The plurality of light sources is structured and arranged on the reflective layer.
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