More than 100 years ago in the United States, Edison invented incandescent light bulbs, leading humans into a new era of lighting; now in Nanjing, China, a returning doctor is full of passion and promotes the industrial application of domestic semiconductor lighting, this person is Nanjing Henderson Semiconductor Liang Bingwen, General Manager of Lighting Co., Ltd.
According to Liang Bingwen, Henderson is fully committed to the technical research and industrial application of semiconductor lighting chips. The goal is to be the "first brand of semiconductor lighting in China".
Committed to the development of energy-saving lighting, a lamp for a lifetime
There are two special lamps on the desk of Liang Bingwen. There are no special features in appearance. However, these two lamps represent two eras of lighting technology. One is an incandescent lamp that is heated by tungsten to emit electricity. It is a semiconductor electric lamp made by Henderson. The semiconductor lamp adopts high-efficiency LED (semiconductor light-emitting diode) as a new light source. There is no traditional light bulb in the lampshade. The "organism" of the light is the semiconductor chip, which converts the electron directly into photon. At the same brightness, semiconductor lamps consume only one-tenth the power of ordinary incandescent lamps, and their lifetime is extended by a factor of 100. Liang Bingwen said that such a desk lamp can last for 50 years and can be used for almost a lifetime. The Henderson Science and Technology Park in Jiangning was opened in 2002 with a total investment of 120 million yuan. It specializes in the research, development, production and sales of high-power semiconductor lighting technology and downstream application products, and has entered a high-tech field with broad prospects in the market. Leading the development of domestic semiconductor lighting technology. This year, the research and development goal of Henderson Semiconductor Lighting Co., Ltd. is to develop high-power products of 3W and above, and build a new production line. Its production efficiency and automation level have reached the international advanced level.
A number of patents are in hand, and electric lights can also be made into ceilings.
Liang Bingwen, who obtained his Ph.D. in electrical engineering in the United States in 1993, became the head of the National Semiconductor Lighting Industry Technology Development Strategy Research Group after returning to China in 2004. He is responsible for formulating the medium and long-term technology development plan for the national semiconductor lighting industry. Liang Bingwen currently holds 5 US patents and 11 Chinese patents. Under his auspices, Nanjing Handerson applied for 16 patents in the past year. These patent technologies are currently in the leading position in China, and some even lead the way. Research by American counterparts. One of the two-dimensional light source technology can make the semiconductor light source on a flat thin plate. Such a "flat light" does not need to be installed on the ceiling, and is directly connected with the ceiling. In the future, it can even have various colors. Change, the user can adjust the color according to the mood. It is reported that most of the domestic semiconductor lighting products are imported from abroad, such as a 1W lamp, the import price is about 5 US dollars, and after mastering the patented technology, the domestic price will be reduced by at least half.
Semiconductor lighting is expected to enter the family, the main market in the future is abroad
According to estimates, only one-third of incandescent lamps are replaced by semiconductor lamps, saving nearly 100 billion kWh of electricity per year for the country, equivalent to the power generation of a Three Gorges project; if by 2025, half of the ordinary light sources were semiconductors. Replacement of lighting means that the world will save 100 billion US dollars in electricity and reduce emissions of 350 million tons of carbon dioxide pollutants every year. Urban lighting is currently the largest market for semiconductor lighting in China. Jiangning Stadium uses Henderson Semiconductor lighting. Liang Bingwen said that after two or three years, energy-saving and environmentally-friendly semiconductor lamps will enter ordinary households. Liang Bingwen said that 8%-10% of Henderson Semiconductor's annual sales revenue will be used for research and development. After mastering independent technology, its development vision has already targeted the international market. At the same time, it will become the first brand of domestic lighting. 80%-90% of the products enter the international market (Wang Xin)
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