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    • LED lamp beads used in medicine

      It is a very old way to use light to heal human diseases. Humans used sunlight to treat diseases long ago. As a new type of light source, LED lamp beads are gradually being used in medicine and exertin...

    • Development Status and Countermeasures of LED Light-emitting

      LED light-emitting diode chip small series report: In recent years, the rapid development of Chinas LED chip technology. At present, Chinas sapphire substrate white LED has a great breakthrough. It has...