| 摘要 |
An optical touch module is adapted to provide a touch area. At least one sensor is disposed at a corner of the touch area. The optical touch module includes at least one light emitting element and at least one waveguide element. The waveguide element is disposed on at least one side of the touch area, for guiding and emitting light rays provided by the light emitting element to the touch area. Each waveguide element includes a light incident surface and a light emitting surface. The light incident surface faces the light emitting element. The light emitting surface faces the touch area. Thereby, the light rays emitted from the light emitting element are distributed on the touch area through the waveguide element, so as to lower the luminance of the light emitting element and reduce the current consumption.
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