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Kenneth L. Haggard (born 1935) is an American architect, educator, and solar pioneer who has designed more than 300 buildings and seen more than 200 of his designs built. He is a licensed architect in California and Florida. He and his partner Polly Cooper were awarded the American Solar Energy Society Passive Solar Pioneer Award in 1996. [1]
A garden solar lamp A child in Zambia studying by the light of a lamp charged by solar power during the day. A solar lamp, also known as a solar light or solar lantern, is a lighting system composed of an LED lamp, solar panels, battery, charge controller and there may also be an inverter.
The solar array of such off-grid PV system charges a rechargeable battery, which powers a fluorescent or LED lamp during the night. Solar street lights are stand-alone power systems, and have the advantage of savings on trenching, landscaping, and maintenance costs, as well as on the electric bills, despite their higher initial cost compared to ...
The Solar Bottle Bulb, as it has also been called, [7] is installed in the roof of homes with the purpose of refracting sunlight in order to light up a room. The project's innovation lies in its utilization of cheap, durable and readily available materials to produce high quality natural lighting enabling the urban poor to have access to an ...
A 230-volt LED filament lamp, with an E27 base. The filaments are visible as the eight yellow vertical lines. An assortment of LED lamps commercially available in 2010: floodlight fixtures (left), reading light (center), household lamps (center right and bottom), and low-power accent light (right) applications An 80W Chips on board (COB) LED module from an industrial light luminaire, thermally ...
Optical fibers can also be used for daylighting. A solar lighting system based on plastic optical fibers was in development at Oak Ridge National Laboratory in 2004. [13] [14] The system was installed at the American Museum of Science and Energy, Tennessee, USA, in 2005, [15] and brought to market the same year by the company Sunlight Direct.