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Aluminium gallium indium phosphide (AlGaInP) – this substance is utilised to create yellow, orange and purple LEDs. The homophonic confusion leads to homographic confusion, and you may hence from time to time see lead因為發光二極管為光源面積小、分佈較集中,作照明用途時會刺眼,須運用光學設計分散光源。Pres