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        Introduction of optical touch panel


        The principle of the optical touch panel is to use the light source to receive the interrupting principle, and the panel is filled with the light source and the receiver and arranged in a matrix. When the light is blocked, the position of the signal receiver can be unknown, and the accuracy is determined. position. The components of the optical touch panel include a glass substrate, an infrared emitting source, and an infrared receiver.

        The structure mainly arranges the infrared emitting device on the left side and the lower side of the glass panel, and sets the infrared receiver on the right side and the upper side. When the finger or the contact object blocks the infrared light, the contact information can be detected through the receiver. The location of the matrix where the point is located. The advantage is that the surface is pure glass does not affect the light transmittance, the product has high reliability, scratch resistance and fire resistance, and the disadvantage is poor waterproof and antifouling property.
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