2014-08-05

LeDiamond Omni-Directional LED Filament Passed LM80 Test

LeDiamond (LED package manufacturer) announced that its Tesla filament has successfully completed the requirements of the rigorous 6000 hour lumen maintenance test (LM-80) by an international third-party laboratory organization (BACL). It’s a big breakthrough for LeDiamond on its LED filament development.
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Sumitomo Chemical will participate in SPIE Photonics West 2025, the world’s largest optics and photonics conference and exhibition, to be held in San Francisco, California, the United States, from Tuesday, January 28 to Thursday, January... READ MORE