LED "surface light source" technology has made a breakthrough in Nanjing. LED is a green and energy-saving lighting material that replaces traditional incandescent lamps. However, currently used LED "point light source" products have the drawbacks of easy light decay, high cost, and slow heat dissipation, affecting the promotion process. Replacing "point light sources" with "surface light sources" is a key technology to overcome the defects of existing LED products. Under the "Nanjing 321 Plan" support, LED "surface light" technology has made a breakthrough in Nanjing recently.
Magical: The lamp without a lamp is very bright Yesterday, in Nanjing Xiongyan Optoelectronics Technology Co., Ltd. in the National University Science and Technology Pioneering Park of Nanjing University of Technology, the reporter saw a desk lamp using the LED "surface light source" technology. Lampholders, lamp necks, lamp holders... At first glance, this table lamp is not the same as an ordinary table lamp. However, when the reporter looked at it carefully, he saw a difference - this lamp did not even have a light bulb. How does the light bulb shine? When the reporter was puzzled, the company's general manager, Guo Guohua, turned on the switch, as if it were magic. The bright light spilled from the lamp without a bulb.
“The mystery of light is this light.†Along the direction of Zhao Guohua’s finger, the reporter saw a small round piece at the base of the lamp, less than 4 cm in diameter, less than 1 mm thick, and the background yellow. Observe carefully and there are small dark spots on it. "Actually, every little black dot is a tiny light body. As you can see now, this light source piece is made up of 300 small chips. This lamp is 3 watts, which is equivalent to 20 watts of common lamps. "The company's general manager Yan Guohua said. This 10 watt light source made of lamps, the brightness equivalent to 100 watt incandescent.
“Different from the 'point light source' commonly used in the LED industry, our products are lighted on the entire surface, and other people’s products are lighted on points (light beads).†Guo Guohua said that enterprises have invested a total of two or three million yuan and spent 5 During the year, the core team independently developed LED "surface light source" technology, in which the light source chip and the driver chip all have independent intellectual property rights. Last year, the project was also selected for the “Nanjing 321 Program†support project.
Advantages: Longer life than "point light source" products Energy-saving LED "surface light source" products are more energy-efficient and have a longer life. Lu Hanxiong is the core R&D staff of the company and a member of the Hong Kong Institution of Engineers and a British Royal Engineer. He told reporters that companies have made special calculations for this purpose. Taking a 10-watt LED "face light" lamp as an example, it will save more than 90% of the power of incandescent lamps and at least 50% more energy than ordinary energy-saving lamps. "Light source" LED lights save more than 20%. The electricity saved per year is equivalent to saving 13.88 kilograms of standard coal, reducing sulfur dioxide emissions by 0.41 kilograms, and reducing carbon dioxide emissions by 14.14 kilograms. Moreover, because the LED "surface light source" is a DC power supply, it avoids the stroboscopic effect of ordinary lighting due to AC power supply, and is a green light source that is particularly beneficial to eye health.
"LED lamps often have a light decay phenomenon, that is, after a period of time, its brightness intensity will be reduced than the original. We effectively overcome this problem, through the national long-term aging test of the photoelectric test center, to prove that LED' surface light source 'Lights light only 0.9% in 5000 hours of light failure.' Yan Guohua said that LED "surface light" lamp average life of up to 30,000 - 50,000 hours, greatly reducing the maintenance costs of lamps and replacing the light bulb trouble. At the same time, it has solved the problem of slow heat dissipation of the lamps. "For example, a 1W LED spotlight lamp is usually a heat concentration point, and an LED surface light lamp has 50 or even 100 cooling points. The source naturally fell."
Prospects: Low-cost LED Really Enters Home With the government's strong advocate of energy-saving and emission reduction, LED lighting industry is ushering in a golden period of development. LED lighting has been increasingly used in many fields such as architecture, landscape and municipal engineering, but there is still a considerable distance from ordinary home users. The reason is mainly because there is no technical breakthrough in domestic LED products and the price remains high. At present, the domestic LED manufacturers mainly aim at architectural landscape lighting, large-screen display, traffic signals, and other market areas. The common people's products are obviously underdeveloped and the market is almost blank.
Ruan Guohua said that this year, the company will invest about 6 million yuan to build the first LED surface light source package line based on low-power chips in the Nanjing Binjiang Development Zone, which is expected to be promoted by the end of the year. Late-stage enterprise development plans to introduce the latest large-area chip grain production technology in the world. In line with the newer generation of packaging technology, it is expected that the cost of LED “surface light source†can be reduced from about 6 yuan per watt to 1 per watt in 3 to 5 years. - 2 yuan, has become an epoch-making revolutionary green lighting new products.
The reporter learned that Nangong University has taken the lead in adopting their products. Enterprises are also willing to take the lead in publicly soliciting a batch of government agencies or universities with high energy consumption for lighting, and install a batch of the latest LED “surface light source†products for free.
Magical: The lamp without a lamp is very bright Yesterday, in Nanjing Xiongyan Optoelectronics Technology Co., Ltd. in the National University Science and Technology Pioneering Park of Nanjing University of Technology, the reporter saw a desk lamp using the LED "surface light source" technology. Lampholders, lamp necks, lamp holders... At first glance, this table lamp is not the same as an ordinary table lamp. However, when the reporter looked at it carefully, he saw a difference - this lamp did not even have a light bulb. How does the light bulb shine? When the reporter was puzzled, the company's general manager, Guo Guohua, turned on the switch, as if it were magic. The bright light spilled from the lamp without a bulb.
“The mystery of light is this light.†Along the direction of Zhao Guohua’s finger, the reporter saw a small round piece at the base of the lamp, less than 4 cm in diameter, less than 1 mm thick, and the background yellow. Observe carefully and there are small dark spots on it. "Actually, every little black dot is a tiny light body. As you can see now, this light source piece is made up of 300 small chips. This lamp is 3 watts, which is equivalent to 20 watts of common lamps. "The company's general manager Yan Guohua said. This 10 watt light source made of lamps, the brightness equivalent to 100 watt incandescent.
“Different from the 'point light source' commonly used in the LED industry, our products are lighted on the entire surface, and other people’s products are lighted on points (light beads).†Guo Guohua said that enterprises have invested a total of two or three million yuan and spent 5 During the year, the core team independently developed LED "surface light source" technology, in which the light source chip and the driver chip all have independent intellectual property rights. Last year, the project was also selected for the “Nanjing 321 Program†support project.
Advantages: Longer life than "point light source" products Energy-saving LED "surface light source" products are more energy-efficient and have a longer life. Lu Hanxiong is the core R&D staff of the company and a member of the Hong Kong Institution of Engineers and a British Royal Engineer. He told reporters that companies have made special calculations for this purpose. Taking a 10-watt LED "face light" lamp as an example, it will save more than 90% of the power of incandescent lamps and at least 50% more energy than ordinary energy-saving lamps. "Light source" LED lights save more than 20%. The electricity saved per year is equivalent to saving 13.88 kilograms of standard coal, reducing sulfur dioxide emissions by 0.41 kilograms, and reducing carbon dioxide emissions by 14.14 kilograms. Moreover, because the LED "surface light source" is a DC power supply, it avoids the stroboscopic effect of ordinary lighting due to AC power supply, and is a green light source that is particularly beneficial to eye health.
"LED lamps often have a light decay phenomenon, that is, after a period of time, its brightness intensity will be reduced than the original. We effectively overcome this problem, through the national long-term aging test of the photoelectric test center, to prove that LED' surface light source 'Lights light only 0.9% in 5000 hours of light failure.' Yan Guohua said that LED "surface light" lamp average life of up to 30,000 - 50,000 hours, greatly reducing the maintenance costs of lamps and replacing the light bulb trouble. At the same time, it has solved the problem of slow heat dissipation of the lamps. "For example, a 1W LED spotlight lamp is usually a heat concentration point, and an LED surface light lamp has 50 or even 100 cooling points. The source naturally fell."
Prospects: Low-cost LED Really Enters Home With the government's strong advocate of energy-saving and emission reduction, LED lighting industry is ushering in a golden period of development. LED lighting has been increasingly used in many fields such as architecture, landscape and municipal engineering, but there is still a considerable distance from ordinary home users. The reason is mainly because there is no technical breakthrough in domestic LED products and the price remains high. At present, the domestic LED manufacturers mainly aim at architectural landscape lighting, large-screen display, traffic signals, and other market areas. The common people's products are obviously underdeveloped and the market is almost blank.
Ruan Guohua said that this year, the company will invest about 6 million yuan to build the first LED surface light source package line based on low-power chips in the Nanjing Binjiang Development Zone, which is expected to be promoted by the end of the year. Late-stage enterprise development plans to introduce the latest large-area chip grain production technology in the world. In line with the newer generation of packaging technology, it is expected that the cost of LED “surface light source†can be reduced from about 6 yuan per watt to 1 per watt in 3 to 5 years. - 2 yuan, has become an epoch-making revolutionary green lighting new products.
The reporter learned that Nangong University has taken the lead in adopting their products. Enterprises are also willing to take the lead in publicly soliciting a batch of government agencies or universities with high energy consumption for lighting, and install a batch of the latest LED “surface light source†products for free.
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