Patent ID: 6530164
Filing Date: 2003-03-11
Classification: G02B,G09F

Abstract:
A luminous diffused light panel of limited thickness and low consumption which may be used to illuminate advertising signs, traffic signs, road condition signs, car lanes, cyclist paths and walkways, signs inside and outside buildings, signs for bus and taxi stops, radiograph reading devices, luminous panels for furnishing, and consoles with luminous surfaces, to draw attention to a surface, an object or indication by the emission of diffused light, comprising:a first transparent plate having a polished edge and a front surface, a support including a printed circuit provided with resistors for balancing an electric power supply, a linearly arranged LED assembly resting on said support for sequential energization, said linearly arranged LED assembly being mounted against at least one edge of the transparent plate, at least one reflecting element inserted between the printed circuit and the polished edge of the transparent plate to reflect emitted light from the LED assembly towards the polished edge of the transparent plate and to ensure a perfect positioning of LEDs of the LED assembly, a coating on a rear surface of the transparent plate for reflecting and diffusing the LED emitted light outwards through an opposite surface of the transparent plate, an opaline plate positioned directly in front of the front surface of the transparent plate so as to cover substantially the entire front surface of the transparent plate for further diffusion of light emitted from the opposite surface of the transparent plate, a protective transparent plate positioned in front of the opaline plate, framing sections fitted on sides of the first transparent plate, the opaline plate and the protective transparent plate so as to cover the LEDs, and indicia provided between the opaline plate and the protective transparent plate.