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CORPS DE STRUCTURE DE TRANSMISSION DE LUMIÈRE COMPRENANT UNE MICROSTRUCTURE ET LAMPE COMPRENANT LE CORPS DE STRUCTURE DE TRANSMISSION DE LUMIÈRE
CORPS DE STRUCTURE DE TRANSMISSION DE LUMIÈRE COMPRENANT UNE MICROSTRUCTURE ET LAMPE COMPRENANT LE CORPS DE STRUCTURE DE TRANSMISSION DE LUMIÈRE
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摘要
A light-transmissible element and a lamp device using the light-transmissible element are provided. The light-transmissible element includes a light-inputting surface, a first light-outputting surface, a second light-outputting surface and plural microstructures. The first light-outputting surface and the second light-outputting surface are located beside two opposite sides of the light-inputting surface. The plural microstructures are formed on the second light-outputting surface. The plural light beams from the light-inputting surface are received and refracted by the plural microstructures. Consequently, a luminous flux of the light beams received and refracted by each first refractive surface is higher than a luminous flux of the light beams received and refracted by each second refractive surface. Due to this design, the light extraction efficiency of the overall lamp device is increased, the light output range is adjustable and the generation of the light spots is reduced.
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