The uneven distribution of patent technology of flat TV

China in recent years become foreign enterprises focus on the market, foreign enterprises gradually strengthened in the field of flat-panel display China patent deployment. Although the advantages of Japanese companies in the flat panel display patented technology has weakened, but South Korean companies like LG in the field of PDP, Samsung Corp in the field of OLED growth is very obvious advantages. Generally speaking, there are few domestic patent applications at home and abroad in terms of the number of patents and the concept of global patent distribution.

Compared with LCD and PDP technology, the OLED technology, the patent growth trend is more obvious, but China's patent technology foundation in this field is relatively weak. Domestic enterprises should seize the opportunity to learn foreign enterprises currently in the field of flat panel display to take the patent strategy, that is, to take joint ventures to jointly apply for a patent.

Patent application: Korean enterprises increased Japanese slowdown

Analysis of from PDP, LCD, OLED three in the field of global patent situation, which at most OLED, close to 80%, from the development trend of LCD and OLED patent proportion declined in three major areas, the proportion of PDP patent from the overall comparison in the obvious rise. LCD has long been a patent application, the patent application process from 1983 is relatively fast, PDP and OLED began to increase the number of patent applications in 1996.

From national competition analysis, the number of patent applications in Japan and South Korea on the most China after 2003, patent applications grew very fast. Since 2003, China has been on the rise in the status of patent applications, attracting more companies in China Patent layout. Before 2003, the number of patents applied in China was only more than and 600, and by 2003 it had reached more than 2 thousand, essentially flat with the United states.

In domestic and foreign enterprises in the gap between the number of patent applications is very obvious. In foreign companies, LG ranked first reached more than 1 thousand and 700, while domestic enterprises have the LG company patent up to only more than and 200. Foreign enterprises, the growth trend of Korean enterprises is more obvious, the growth of Japanese enterprises have some slowdown. South Korea's LG and Samsung accounted for more than 70% of the number of patent applications since July 2005. Instead, like Fujitsu and NEC, the number of patent applications in 2005 July after the account for less than 10% of their total patent, that is to say, in 2005 July, the two enterprises in the flat-panel display technology research and development has slowed.

LCD Chinese patent: more than the United States

Technical field PDP from the patent application, the focus is on the PDP control device, driving circuit, plasma discharge, plasma material, the plasma material has more innovation achievements in this year.

From our statistics we can see that the mainstream technology patent reflected mainly in the following aspects, with the main electrode, at least one main electrode, a plasma panel fixed cathode plasma discharge tube as the basis of the design. Dedicated to the plasma display control and drive circuit technology, plasma display module to achieve the design and production technology, used in plasma display light-emitting materials, etc..

LCD patent layout key is used to control the intensity of light, color, phase, polarization direction or device or device. From the main competitive countries, compared with PDP and OLED, LCD in the field of patents, Japan has obvious advantages, the share reached 76%; China also develops rapidly in the LCD patent accumulation, has surpassed the United States ranked second in the world; South Korea ranked third. Japanese companies are very obvious advantages, in the top 20 applicants, the Japanese companies accounted for a total of 10 companies. Seiko EPSON ranked first in the field of LCD.

From the distribution of technical field, OLED key patent distribution caused by light source and realistic module and panel design in the organic electro luminescence preparation technology.

From the comparison at home and abroad, we found that domestic and foreign patent deployment number ratio is 2: 5. Compared to PDP and LCD, China is currently in the field of OLED technology based on some of the more weak, accounting for only 7% of the patent. Since September 2002, many countries have been actively involved in the field of research, such as Spain, Malaysia, Greece, there are many patents in the application. South Korea and China in this area has a relatively strong stamina. South Korea in 2003 after the patent applications accounted for more than 87% of their total patent, while China accounted for more than 77%, nearly 80%.

OLED technology domestic enterprises have the opportunity

OLED is this year's hot field, 97.3% patents were filed in 2003 after the authorized patents accounted for only 20.7%. China ranked second in the top 29.3%, Japan ranked first, reaching 35.4%. South Korea's patent deployment in China exceeds that of Japan and the United states. South Korea's patent applications in China accounted for more than 30% of its patents, only more than the number of applications in Japan, including in the United States as well as in the case of more than 10%. The entire South Korea is more emphasis on the Chinese market.

Notably, joint venture companies are sharing patent technology by way of cooperating in the development of patent applications, including LG, PHILPS, Toshiba, Matsushita, their joint patent application is a common phenomenon. This is also the patent on the open innovation. However, the number of domestic enterprises to apply for a patent is very small, in the future need to be strengthened in the joint innovation.