LED full-color display is an electronic high-tech product. In recent years, China has made great progress in this field, but LED high-end display devices have long been monopolized by imported products. In recent years, with the rise of a number of domestic high-end display device companies such as Lehman Optoelectronics, this market has gradually achieved localization. This year's National Day 60 anniversary of the Tiananmen Square giant display using the domestic brand Lehman Optoelectronics LED device is a testimony.
   "As we all know, the quality level of LED devices largely determines the quality level of the whole LED display. Lehman Optoelectronics has become the first choice of this project, which not only reflects Lehman Optoelectronics' high-end device packaging in LED display. The leading position also shows the elegance of the national LED optoelectronics enterprise.†Li Mantie, general manager of Shenzhen Lehman Optoelectronics Technology Co., Ltd., evaluated the achievements of the company.
Packaging technology has a significant role to play
   As the link in the LED industry chain, LED packaging plays an important role. LED devices are widely used in various application markets, such as large LED displays, LED traffic lights and car lights. LED device costs account for 40%-70% of the total cost of the application.
   Currently, 80% of the world's LED packaging is concentrated in China. Li Mantie said that in the past five years, foreign LED packaging companies have been transferred to China, and domestic packaging companies have continued to grow. In the low-end and mid-range sectors, Chinese companies have a high market share and a large breakthrough in the high-end sector. With the continuous maturity of process technology and the accumulation of brand reputation, China's LED packaging companies will play a leading role.
   The core indicators of LED chips include brightness, wavelength, failure rate, antistatic ability, attenuation and so on. "In recent years, domestic LED chip companies have developed at a faster rate. Small and medium-sized chips can basically meet the needs of domestic packaging companies. Large-size chips still need to be imported, but large-size chips can only be applied in large quantities after LEDs enter the general lighting field. Li Mantie believes. At present, the performance of some domestic small and medium-sized chips has been comparable to that of foreign brands. Through the cooperation with packaging technology, it has been able to meet the needs of many high-end applications.
   The gap with the world's top technology is shrinking
   At present, China's LED packaging design level is still a certain gap with foreign giants, lacking organized and planned large-scale R&D and design investment. Li Mantie stressed that China's LED packaging technology has risen to a higher level, and LED products produced by advanced packaging technology are close to the international level.
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