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"Some companies apply for LED power supply patents in order to be inviolable by others." Mr. Song, who has been researching LED power for many years, told Gao Gong LED reporters.
LED power is an important factor affecting the life of LED products. The quality of the power supply depends on the environment, materials, processes and maintenance of the power supply. "At present, in the LED power supply market, the key to competing with each other is to improve the cost performance of the power supply. Winning by quality is the common goal of most enterprises," said Yan Jintong, deputy general manager of Guangzhou Mingwei Co., Ltd.
At present, the patents of China's LED industry are mainly concentrated in the application fields of the middle and lower reaches. Due to the lack of upstream core technology, China's LED companies not only face patent risks in the international arena, but also spend a lot of money on patent litigation and applications every year, which seriously restricts the development of China's LED industry.
According to a data report by the Guangdong Provincial Patent Office, packaging is the main research and development and patent application field in China's LED industry, accounting for 38%. However, the current research hotspots in the field of LED packaging are substrates, phosphors, packages and heat dissipation.
"At present, the patent application for LED power supply is very repetitive, which is related to the chaos in the power supply market." An LED power professional revealed to the high-tech LED reporter, "Unless the characteristic technology requires patent protection, the LED power supply generally does not. Need patent protection." 
More than 90% of LED driver power supply in China has no patent protection
[High-tech LED News] "90% of LED power supply and other application markets have no patents, because compared with upstream core technologies and devices, the power supply technology content is low," said the LED power industry insiders.