After long-term continuous R&D investment and years of “patching†in patent layout, Nichia has mastered the basic patents of key technologies such as blue LED and white LED, and gradually deployed patents in the entire industry chain, frequently launching competitors. Patent infringement litigation to maintain its dominant position in the LED market. After encountering the "patent war" of LED giants such as Cree and Toyota Synthetic, Nichia has successively reached a settlement with other giants, and has turned the "gun" to the new challengers of the LED industry. The impact is particularly prominent. While strengthening independent research and development, LED companies in China should pay attention to the patent layout of LED industry giants, flexibly formulate and apply their own patent strategies, and avoid the risk of intellectual property infringement.
In recent years, the capacity of LED manufacturers in Taiwan has grown rapidly, and the price of products is only one-third of that of Japanese manufacturers. At the same time, Taiwanese manufacturers have inherent advantages in the mainland market, all of which pose a potential threat to Japanese manufacturers. In order to prevent Taiwanese manufacturers from sweeping the LED market, Japan and Asia frequently launched patent wars to check and balance future competitors. On the one hand, they directly sued Taiwanese manufacturers, and on the other hand, sued their sellers and agents, which shocked the downstream customers and sought to The threat is eliminated in the bud. Relatively in the initial stage, China's mainland LED enterprises are dependent on Taiwan's Taiwanese manufacturers' auxiliary vehicles. As the scale of China's mainland LED enterprises gradually expands and the market position is increasing, the patent litigation of Nichia Corporation will surely arrive on schedule. The following is a research and analysis of Nichia's global patent layout and intellectual property strategy, and explores the risk of patent infringement of LED companies in China.
Develop market patents first
As the most valuable intangible asset of the company, Nichia has always attached great importance to the accumulation and layout of intellectual property, and has many basic patents in the fields of sapphire substrate epitaxial growth, blue LED, white LED, phosphor and so on. As of July 2010, Japan and Japan have applied for more than 2,000 patents in the field of LEDs, including 596 US patents, 145 European patents, and 346 Chinese patents. As early as in the 1980s, Nichia began patent applications in the LED field. Since 2000, the number of applications has increased rapidly. At this time, the semiconductor lighting policies of various countries in the world have been introduced one after another (US 2000, EU 2000, Japan 1998). , South Korea in 2000, China in 2003), it can be seen that the successive development of semiconductor lighting projects in major countries has promoted Japan's accelerated global deployment of LED patents. Nichia's patent layout is closely related to the development of the global market.
Master the basic industrial distribution of the entire patent chain
As the company that developed the world's first blue LED and long-term research and development of phosphors, Nichia has many basic patents in the fields of sapphire substrate epitaxial growth, blue LED, white LED, phosphor and so on. On this basis, Nichia has gradually established a strong patent portfolio in the entire industrial chain. The patented technology covers the fields of substrate, epitaxy, chip, packaging and application of the LED industry chain. From the perspective of the number of applications, the Japanese patent applications are mainly concentrated in the field of packaging and extension, the proportion of the two is 38% and 27% respectively, followed by the application field, and the number of patent applications in the driving field is the least. Patents in the packaging field focus on two branches of the package and substrate. The patents in the field of epitaxy are applied more in the III-V technology branch, while the technical branch applications such as the ohmic contact layer and the current spreading layer are less. There are a large number of applications for the two technology branches of the display field and the backlight in the application field, and other branches also have a considerable number of patent layouts. There are more applications for electrode design and reflective film technology in the chip field. A patent of 55% in the field of substrates is concentrated on sapphire substrate technology. Nichia has established a relatively complete patent layout in the LED industry chain.
Prosecution of foreign authorizations frequently
While attaching importance to the layout of patents, Nichia also attaches great importance to the protection of patents. Nichia insists that “patents are not commodities†and the attitude of external authorization is very cautious. After obtaining a number of basic patents such as Blu-ray and white LED, Nichia insisted on not providing external authorization and frequently filed lawsuits against companies that may infringe on Japanese intellectual property rights. The companies that have become the subject of litigation include LED industry giants such as Cree, Toyota Synthetic, and Seoul Semiconductor, as well as rising stars such as Everlight; there are extensions, chip manufacturers, and packaging manufacturers and end product distributors. The scope of litigation covers developed regions of the global LED industry, such as Japan, the United States, Europe, South Korea, and Taiwan. In the early days of Japan, the intellectual property strategy of “no authorization, multiple litigation†fully reflected the characteristics of “good war†in Japan and Asia, and tried to achieve the ultimate goal of monopolizing the LED market with patent litigation.
In recent years, the capacity of LED manufacturers in Taiwan has grown rapidly, and the price of products is only one-third of that of Japanese manufacturers. At the same time, Taiwanese manufacturers have inherent advantages in the mainland market, all of which pose a potential threat to Japanese manufacturers. In order to prevent Taiwanese manufacturers from sweeping the LED market, Japan and Asia frequently launched patent wars to check and balance future competitors. On the one hand, they directly sued Taiwanese manufacturers, and on the other hand, sued their sellers and agents, which shocked the downstream customers and sought to The threat is eliminated in the bud. Relatively in the initial stage, China's mainland LED enterprises are dependent on Taiwan's Taiwanese manufacturers' auxiliary vehicles. As the scale of China's mainland LED enterprises gradually expands and the market position is increasing, the patent litigation of Nichia Corporation will surely arrive on schedule. The following is a research and analysis of Nichia's global patent layout and intellectual property strategy, and explores the risk of patent infringement of LED companies in China.
Develop market patents first
As the most valuable intangible asset of the company, Nichia has always attached great importance to the accumulation and layout of intellectual property, and has many basic patents in the fields of sapphire substrate epitaxial growth, blue LED, white LED, phosphor and so on. As of July 2010, Japan and Japan have applied for more than 2,000 patents in the field of LEDs, including 596 US patents, 145 European patents, and 346 Chinese patents. As early as in the 1980s, Nichia began patent applications in the LED field. Since 2000, the number of applications has increased rapidly. At this time, the semiconductor lighting policies of various countries in the world have been introduced one after another (US 2000, EU 2000, Japan 1998). , South Korea in 2000, China in 2003), it can be seen that the successive development of semiconductor lighting projects in major countries has promoted Japan's accelerated global deployment of LED patents. Nichia's patent layout is closely related to the development of the global market.
Master the basic industrial distribution of the entire patent chain
As the company that developed the world's first blue LED and long-term research and development of phosphors, Nichia has many basic patents in the fields of sapphire substrate epitaxial growth, blue LED, white LED, phosphor and so on. On this basis, Nichia has gradually established a strong patent portfolio in the entire industrial chain. The patented technology covers the fields of substrate, epitaxy, chip, packaging and application of the LED industry chain. From the perspective of the number of applications, the Japanese patent applications are mainly concentrated in the field of packaging and extension, the proportion of the two is 38% and 27% respectively, followed by the application field, and the number of patent applications in the driving field is the least. Patents in the packaging field focus on two branches of the package and substrate. The patents in the field of epitaxy are applied more in the III-V technology branch, while the technical branch applications such as the ohmic contact layer and the current spreading layer are less. There are a large number of applications for the two technology branches of the display field and the backlight in the application field, and other branches also have a considerable number of patent layouts. There are more applications for electrode design and reflective film technology in the chip field. A patent of 55% in the field of substrates is concentrated on sapphire substrate technology. Nichia has established a relatively complete patent layout in the LED industry chain.
Prosecution of foreign authorizations frequently
While attaching importance to the layout of patents, Nichia also attaches great importance to the protection of patents. Nichia insists that “patents are not commodities†and the attitude of external authorization is very cautious. After obtaining a number of basic patents such as Blu-ray and white LED, Nichia insisted on not providing external authorization and frequently filed lawsuits against companies that may infringe on Japanese intellectual property rights. The companies that have become the subject of litigation include LED industry giants such as Cree, Toyota Synthetic, and Seoul Semiconductor, as well as rising stars such as Everlight; there are extensions, chip manufacturers, and packaging manufacturers and end product distributors. The scope of litigation covers developed regions of the global LED industry, such as Japan, the United States, Europe, South Korea, and Taiwan. In the early days of Japan, the intellectual property strategy of “no authorization, multiple litigation†fully reflected the characteristics of “good war†in Japan and Asia, and tried to achieve the ultimate goal of monopolizing the LED market with patent litigation.
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