| 摘要 |
A touch sensor device includes a light guide plate for guiding light for backlighting; a touch sensor positioned on or underneath the light guide plate and formed with at least one electrode pattern on a surface thereof which faces the light guide plate; and at least one light source positioned on a side surface of the light guide plate for generating light to be directed by the light guide plate. The touch sensor device is thereby significantly thinner and requires much less energy than conventional sensors.
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