Core patent shortage LED intellectual property crisis

With the development of knowledge economy and economic globalization, intellectual property rights, including patents, trademarks and copyrights, have become the important strategic resources of the state and enterprises. Over the past 10 years, the rapid growth of semiconductor lighting market, LED intellectual property rights has become the focus of the international semiconductor lighting industry competition. The global intellectual property of LED pattern, the core patent industry by Nichia chemical company, Japan's TOYOTA company, CREE company, the synthesis of PHILPS and Germany's OSRAM company lumens 5 leading manufacturers. In recent years, although the number of mainland China LED patent application volume increased significantly, has surpassed the United States ranked second in the world, but China's position in the global LED intellectual property in the pattern has not been fundamentally improved. On the contrary, LED intellectual property is becoming a bottleneck restricting the development of China's LED semiconductor lighting industry, the homogenization of competition caused by the intellectual property problem is getting worse, lack of initiative in the industry is becoming increasingly serious, risk of trade friction is also increasing. Breaking through the LED Patent Containment of foreign enterprises, and resolving the industrial crisis caused by the LED intellectual property rights, has become the key issue of the development of LED semiconductor lighting industry in china.

China's LED invention and the proportion of upstream patents

China's LED patents are mainly concentrated in the middle and lower reaches of the field, midstream packaging, downstream applications accounted for 64% of the total patent applications. In relation to the long-term development of the industry, the key technology is still lack of core patents.

From the evolution process of global patent LED, LED China's patent application process behind Japan, the United States, missed the early development stage of patent technology in the first stage and second stage patent technology cultivation incubation stage, directly into the application stage of industrialization of patent technology. The impact of the development of China's LED patent is not balanced. From the patent type, LED patent in our country with the utility model and design patents, invention patents accounted for relatively low, the domestic LED utility model patents accounted for 59%, design patents accounted for 15%, while the LED invention patents accounted for only 26%.

China's LED patents are mainly concentrated in the middle and lower reaches of the field, midstream packaging, downstream applications accounted for 64% of the total patent applications. The largest number of applications LED applications, accounting for about 43% of the total patent, LED packaging accounted for more than about 21%, epitaxial and chip accounting for the proportion of 18% and 17%, respectively, the substrate accounted for more than about 1%. In the aspect of epitaxy, the gap between the domestic and the foreign countries and the buffer layer technology patent. On the chip, the domestic chip shape technology, surface roughness technology and substrate stripping and bonding technology patents. Packaging technology, the rapid development of China's patent technology, but the base material patents and fluorescent material patents and foreign gaps. Especially in relation to the key sectors of the industry's long-term development, China is still lack of core patents, such as Blu ray LED excited white lightphosphor technology, graphics technology, LED chip substrate vertical structure technology, flip chip packaging technology and pulse width modulation PMW power drive technology etc..

LED intellectual property rights to stifle rival weapon

The number of patent disputes reflects the degree of participation of LED enterprises in the competition of intellectual property rights, and the global pattern of LED intellectual property is gradually formed in the patent dispute litigation. International giants frequently launched a patent war to counterbalance future competitors.

International LED intellectual property licensing and disputes increasingly frequent. Since the implementation of LED semiconductor lighting technology, LED intellectual property disputes have become increasingly frequent. The global LED technology patent litigation 100, the prosecution to Nichia, PHILPS, CREE, and other large companies of Seoul semiconductor. From the national and regional perspective, the Japanese manufacturers accounted for 36.9%, South Korean manufacturers accounted for 13.69% of China's Taiwan manufacturers accounted for 18.45%. The number of patent disputes reflects the degree of participation of LED enterprises in the competition of intellectual property rights, and the global pattern of LED intellectual property is gradually formed in the patent dispute litigation. Patent wars between the international LED giants are generally settled in order to reconcile, signed a patent cross licensing. OSRAM, CREE, TOYOTA and PHILPS, Nichia chemical synthesis, 5 of the world's largest LED company LED reached a patent cross licensing agreement, forming a tight network of patent cross.

LED intellectual property disputes throughout the industry chain links. The layout of LED intellectual property rights of enterprises is not independent of the point distribution, but related to the distribution of the network, focusing on the core technology of the patent group covering several aspects of the industry chain. LED intellectual property disputes not only concentrated in the upstream competition of intellectual property rights and the most intense LED epitaxial chip, with the rapid growth of LED market in recent years, intellectual property disputes chain LED patent applications increased gradually. With Nichia patent dispute case, with Nichia epitaxial growth, sapphire blue and white LED LED, fluorescent powder and other fields a number of basic patents. Early Nichia patent litigation concentrated in the LED upstream epitaxial chip field, then the pattern of industrial chain upstream patent technology is becoming more and more clear in recent years, Nichia patent litigation began to concentrate on the downstream areas, relates to a mobile terminal equipment LED LCD backlight LED application products.

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