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  • LED - Reliability Test

    LED products evolved quickly in recent years. With increasing applications, quality risk faced more challenges, especially when new processes and mate

  • LED failure analysis

    LED light source is composed of III-V compounds, well-known as epitaxial grain (chip) which has longer product lifetime, robust and has nice chemical

  • LED LM-80 Test for Energy Star®

    In certifying the lighting fixtures, the most important lumen maintenance value would require LED component manufacturers to provide the veri cation d

  • LED Verification for U.S. Energy Star®

    In 2011, the ENERGY STAR rating of the US EPA, integrated two specifications on residential light fixtures (RLF) and solidstate lighting (SSL) into th