LED lighting technology has rapidly replaced traditional lighting in the world, and a statement from major light source manufacturers indicates that one-third of total sales in 2016 is about the same as LED sales in the first quarter of 2015. Therefore, the fierce competition will be carried out in LED technology that is so fast moving and has huge market opportunities. When the world is involved in the growth of LED lighting, China has developed into the leading supplier of LED components. For example, China's MOCVD equipment was installed from 150 installations in 2013 to nearly 200 installations in 2015. Nearly 33% of MOCVD equipment growth rates also reflect the increase in China's LED market share, which also accounts for the 71%-86% market share of MOCVD equipment in Taiwan, South Korea and other countries. According to the above trends, China has become the main factory of LED in the world.
The rapid development of LED manufacturing is not without major risks, and one of the main risks lies in intellectual property (IP). When China manufactures more and different types of products in the LED lighting and electronic display market, individual manufacturers must be responsible for analysing the content of intellectual property in products, making decisions on opportunities and risk assessments, and appropriately selecting suppliers, manufacturers. It can occupy the largest market in China, especially overseas. In 2014, the main lighting trade show "Light and Building" was held in Frankfurt, Germany, which limited the participation of many Chinese LED manufacturers because they did not have intellectual property rights. While this warning may only affect a small amount of sales, the greater risk lies in expensive legal proceedings and government-implemented trade injunctions. Market and patent-based risks are so great that it is important to have the right IP intellectual property for the right and stable product development and supply chain choices.
Intellectual property involves all aspects of LED design and is a key component of LED packaging - phosphors convert light from blue LEDs into a broad spectrum of colors needed for use. Although phosphors are used in large quantities in LEDs, the patents for phosphors are more complex and not widely understood by Chinese LED companies. In line with the current development of phosphor technology, we will clarify the trend of phosphor IP to enable LED manufacturers to understand the correct precautions to be taken.
When white LEDs first appeared on the market and were in mass production after 1995, the phosphor application technology at that time was relatively easy compared with current LEDs, except that Yttrium Aluminum Garnet (YAG) phosphors were covered on blue LED chips. Coating and composite colloid. Most importantly, such phosphor applications in LEDs are covered by a series of patent applications filed by Nichia Corporation. The most well-known is U.S. Patent No. 5,998,925, which is incorporated herein by reference in its entirety in its entirety in its entirety in its entirety in its entirety in its entirety in its entirety in its entirety in its entirety in its entirety in its entirety in its entirety in
The YAG phosphor of that era produced only a monochromatic yellow color, but when it was combined with a blue LED, it turned out to be a cool white light. This form of light is used extensively in some lighting markets, such as outdoor, transportation, and displays, and YAG phosphors are among the most popular LED phosphors. In order to use the fluorescent LED configuration, LED companies must pay the patent license fee for Nichia, and Nichia has also tried to protect its ownership in litigation with other competitors over the past 20 years, thereby establishing LED phosphors. The stage of future development and business model.
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