| 摘要 |
The present invention discloses a light guiding system, applied to a portable device configured with at least a keying unit; an illuminator producing incident light to illuminate said portable device. The light guiding system comprising: a light guiding structure; at least an incident portion provided on a side of the light guiding structure to receive the incident light from the illuminator; a plurality of light guiding portions to guide the incident light to the at least one keying unit; and a chemical layer provided on the light guiding structure.
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