On May 23, 2017, Nitrided Semiconductor Co., Ltd. ("Nitriding") filed a patent infringement lawsuit in the federal court in the Northern District of California. In the indictment, GaN is seeking bans, damage and accounting, claiming that Rayvio has infringed on the patent for nitrogen nitride (US 6,861,270, "Methods for the manufacture of gallium nitride compound semiconductors and luminescent elements"), manufactured Its products. This patented invention greatly promotes the improvement of LED luminous efficiency.
Silicon nitride is a pioneer in the field of ultraviolet LEDs. Shiro Sakai's Nitride professor at Dongdao University successfully developed high-efficiency UV LEDs for the first time in 2000. This is the first time in the world and continues to produce and sell UV light thereafter. Silicon nitride has invested heavily in research and development, and has developed and modified UV LEDs, which is a very challenging task.
Silicon nitride has its intellectual property as its extremely important management asset. Therefore, in any country that needs to protect its patents and other intellectual property rights, silicon nitride will take resolute action against the infringers.
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