20130271949 | LIGHT GUIDE STRUCTURE FOR A PHONE KEY - A light guide structure for a phone key includes an LED light source, a light guide film and a light guide element. The light guide element is bended to be a preset shape, one end of the light guide element is disposed in the position coupled to the LED light source; an extended part of same number with the light guide element is extended from the side surface of the light guide film, the extended part of the light guide film is at least fixed to the other end of the corresponding light guide element; a reflection film is disposed in the full or part of the light guide element except the end face of one end of the light guide element and the joint of the light guide element and the extended part to prevent the light entered into the light guide element from shooting out of these surface. | 10-17-2013 |