The 70th CEF Conference presents LED heat

The 70th China Electronics Show (CEF) held at the Shanghai New International Expo Center has more than 2,200 suppliers from all over the world. Innovation and energy conservation are important topics of this conference. As an important communication platform for the electronics industry, 14 events and conferences held in the same period have also become one of the highlights of the audience. Among them, LED, automotive electronics and RFID became the three hot spots of the conference.
LED boom continues to heat up

In 2005 and 2006, the global LED market turnover increased by only 2.1% and 8.7%, respectively. However, iSuppli's latest research report shows that the overall LED market turnover will increase by approximately 13.7% in 2007, and the compound annual growth rate from 2006 to 2012 will be more. It is as high as 14.6%. According to the report, the global LED market will reach $12.3 billion in 2012. Large-screen backlights and general-purpose lighting are two major factors that stimulate accelerated growth. The optimistic outlook of the LED market has not only attracted many international semiconductor manufacturers to enter this field, but many local manufacturers also tried to seize this opportunity before the market took off. Huacan Optoelectronics and Jiuzhou Optoelectronics are two good examples.

Huacan Optoelectronics from Wuhan currently offers two series of blue and green LED epitaxial materials and chips for full-color display and illumination. This is a company that was officially put into production in August 2007, but its vice president Ye Aimin said that Hua Can's goal is not the same as many other local manufacturers. It is said that many entrepreneurs who are rich in compound semiconductor industry background and technical teams from the United States, Japan, Europe and Taiwan not only have rich experience in quality system management, but also bring more LED fields. The core technology and advanced III-nitride-based high-performance LED light-emitting tube material growth, device design and manufacturing core technology. Ye Aimin said that the company also has a full-process production line from epitaxial growth, cleaning, lithography, evaporation, grinding and sorting. It is for this reason that "our interest is not applied at the low end, but in the middle and high-end cities with high technical content," he said.

In the product manual displayed on the spot, Huacan Optoelectronics listed the specific parameters of two white LED bright LED chips and six LED green LED chips for display. Ye Aimin said that the main indicator of white light LED is brightness, while the LED for display screen has higher requirements on product consistency, life, antistatic ability and quality stability, and Huacan Optoelectronics has solved the above challenges very well. . Taking the white LED chip as an example, the 12x12mil white light chip HC-B1212IA, which is mass-produced by the ITO process, already has the brightness comparable to that of the mainstream manufacturers in Taiwan. The same series of 14x14mil white light chip HC-B1414IA, which is scheduled to be mass-produced in the second half of next year, has reached a brightness of 7lm. "This is enough to match the best products of Taiwanese counterparts," he said.

Jiuzhou Optoelectronics Co., Ltd. is a manufacturer of LED electronic display and LED components under the Sichuan Jiuzhou Electric Group. The company has many years of experience in LED display design, production and development. Currently, it has an LED packaging and high-power LED production base in Shenzhen and Mianyang. Its products include single lamps, SMD LEDs, high power LEDs, dot matrix LEDs and digital LEDs. "We have the best dot matrix LED and digital LED technology in China." Li Feilong, general manager of the company's marketing, said.

Li Feilong said that Jiuzhou Optoelectronics is very optimistic about the development of LED in the field of general lighting, but even in foreign LED lighting technology is still in the perfect stage. "Mainly the problem of heat dissipation and softness has not been solved, resulting in a lifetime that cannot be guaranteed," he said. "In addition, the cost of LED lighting is now about ten times that of ordinary lighting. It can only be used in new infrastructure in developed cities and some In high-end places." He also pointed out that China does not have specific specifications and standards for LED lighting, and the disorderly competition caused by it is not conducive to the development of local LED technology.





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