The 2014 Nobel Prize in physics was awarded to Japanese scientists Akaki Yoshihiro, Amano Amano, and Japanese-born scientist Nakamura, who has been naturalized as an American citizen, to honor their respective contributions to the invention of blue light-emitting diodes. In the past, light-emitting diodes (LEDs) had red and green light, but it was not until after the breakthrough of the blue light technology in the 1990s that they could be synthesized as white light close to daylight, and then the current lighting revolution brought about by this wave of LEDs was triggered. In the award-winning statement, the Nobel Prize Committee made special mention of the invention of LED lamps. It will make a bright dream for the world’s 1.5 billion people who have not been able to connect to the electricity network. Because there is very little electricity needed to light LEDs, Simple solar energy is enough to generate electricity at the site.
35% of the world's population still cannot be integrated into the power grid
There are 7 billion people in the world, 1.5 billion are not connected to the electricity network, and there are still more than 1 billion power grids that are unstable, and some can only supply power for several hours a day. This group of people we call the Energy Poverty, the majority of code in Africa, Southeast Asia and India.
Without electricity, they must rely on daytime work, housework, water intake, and reading. At night, the family must rely on candles or kerosene to cook dinner, or to do family work.
Use kerosene lamps and candles to read books? Not only is it too extravagant, the eyes can quickly become tired, and the exhaust gas from the fuel burns can be diffused in the room. In the long run, it will inevitably cause adverse effects on family health. There is no light reading, let alone watching television to absorb information at home and abroad, and using a computer to surf the Internet is a wishful thinking. In the new era of globalization and informationization, the most vulnerable people in these developing countries have their education left far behind.
The reason why the energy poor do not have an electricity network is that they are mostly located in remote areas, or they are "illegally inhabited" so that they cannot obtain basic electricity. He may live in a rural settlement in Tanzania and may also live in many slums in the metropolitan area of ​​Mumbai, India. However, LEDs can reverse this situation.
Portable LED Charging Lights Benefit the Masses
All India Women's Conference, the largest women's group in India, is based on the community. It has set up a community solar charging station to recharge portable LED lights during the day. When people come home from work, they rent lights and provide homes. Day night lighting. Since the cost of building solar panels is still a threshold, there is an opportunity to build a common charging station through joint cooperatives or community fund-raising, and letting people rent lanterns is equivalent to “retailing†cheap electricity to people in need. So that more people can obtain it. Community women are trained as equipment maintenance technicians to plan to earn salaries.
Not only the All-India Women's Federation, but also Barefoot College, and many independent cooperatives are also promoting similar things. The reason why solar lighting is popularized in India is that TERI, a well-known environmental think tank in India, has long promoted the “Lighting One Million People†program and successfully attracted foreign funds from the UK government. Of course, the sharp drop in the price of solar panels and the emergence of LED lamps are the main reasons why everyone enjoys the light.
â–² Portable small solar power and LED lamps SunKing Pro.
Integrate with solar energy into new darling
On the other hand, existing companies have invented small solar modules with LED lamps that are sold exclusively in areas that lack lighting, such as Africa. The above figure is the first generation of SunKing Pro products. Although the photovoltaic panel is small, it can provide 20 hours of lighting after full charge, and the second generation of products can reach 36 hours of lighting. Incidentally, this group of equipment can also provide mobile phone charging. In recent years, the mobile phone penetration rate in Africa is rapidly increasing. People can use the mobile phone to surf the Internet to communicate with the world and use less power than the computer.
Thailand's SunSawang social enterprise finds a special business model. As early as 2004, the Thai government helped more than 200,000 suburban homes without electricity to install solar systems. However, there was no maintenance plan so that as many as 90% of the equipment could no longer be used. Residents were forced to go back to using candles and oil lamps. At the beginning of SunSawang's business, it was mainly to repair the solar energy equipment abandoned by the government. They tried to train the community's solar power technicians, and then gradually developed different service projects, such as one-year maintenance of existing equipment, rental of solar energy. LED lights, or new home solar installations to support small basic appliances.
The Philippines' "A Liter of Light" project, which you may have seen on the Internet, added bleach to water, installed it on a tin roof, and brought daylight into the dark interior. Also known as the "Solar Bottle", it has helped the construction of a dense slum community and has helped hundreds of thousands of families around the world. Since 2013, the project team has begun to promote the solar-powered special solar bottle, which is equipped with LED lights. It is installed on the roof together. Natural light is introduced during the day and artificial lighting is available for hours at night.
â–² Residents of a community in the Philippines have used solar LED lights to make community street lights.
The light emitted by solar LED lamps may seem weak in our eyes, but it inspires the community to develop independent energy, create jobs and business opportunities in the green collar, and allow millions or tens of millions of people to read at night. Or weaving, hand-crafting, and then subsidizing the home, and then step by step closer to the good life they are pleading for.
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