Optical touch module group and device
2013
The invention discloses an optical touch device. The device comprises multi optical touch modules and a frame body which is composed of multi L-shaped connection boards. Each L-shaped connection board is connected with the optical touch modules arranged on the two sides of the frame. Each optical touch module comprises a LED circuit board and a control board. A plurality of LED elements is arranged on one side of the LED circuit board, and the other side of the LED circuit board is faced to the control board. The other side of the control board is butt joint with the L-shaped connection boards. A first connector and a second connector which are butt joint are installed in the corresponding overlapping zone of the LED circuit board and the control board. The control board is equipped at least one third connector which is butt joint with the LE-shaped connection board and at least one forth connector. A space is formed in the corresponding overlapping zone of the LED circuit board and the control board. An electric element and / or an extension portion providing an article filter are installed in the space.
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