2018-09-28

U.S. Patent Granted to Nichia, Mitsubishi Chemical, NIMS and Citizen Electronics for LEDs Using Nitride-type Red Phosphor

Four Japanese companies, Nichia, Mitsubishi Chemical Corporation (MCC), Citizen and National Institute for Materials Science (NIMS), reported that they have been granted in the U.S. the patent (U.S. patent No. 10,072,207) to LEDs using a nitride-type red phosphor*.
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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