Patent ID: 8284164

Claim:
A touch input device, comprising: a cover unit with a reflective coating layer formed on a surface thereof; a selective transmission unit provided on a rear surface of the cover unit and formed with light-transmitting holes indicative of their respective functions; and a touchpad module for detecting whether a user's body is touched onto the surface of the cover unit and receiving a detection signal, the touchpad module including: a substrate provided with a main chip and capable of detecting static electricity; and light emitting devices provided on a rear surface of the substrate to provide light to the light-transmitting holes, the light emitting devices providing the light-transmitting holes with light, wherein buttons are displayed on the cover unit using the light emitted through the light-transmitting holes, one or more lenses are installed through the substrate to provide the light-transmitting holes of the selective transmission unit with the light from the light emitting devices, the one or more lenses having a first surface coplanar with a front surface of the substrate and a rear surface extending beyond the rear surface of the substrate, and wherein the size and shape of each of the light-transmitting holes is substantially equal to the size and shape of a corresponding lens of the one or more lenses, each light-transmitting hole overlying a lens.