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Here, and especially with shades which have sloped sides, the distance between the surface and the bulb reduces making the risk of overheating a concern. [7] The heat generated by incandescent light bulbs can scorch fabric lampshades and can crack glass shades. All of these problems can be avoided by the simple expedient of installing LED lights.
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 ...
Light fixtures may also have other features, such as reflectors for directing the light, an aperture (with or without a lens), an outer shell or housing for lamp alignment and protection, an electrical ballast or power supply, and a shade to diffuse the light or direct it towards a workspace (e.g., a desk lamp).
Glass chandeliers requires electrical wiring, large areas of metals and light bulbs, but the results were often not aesthetically pleasing. [8] A large number of light bulbs close together can also produce too much glare. [68] Shades for the bulbs of these electroliers were therefore often added.
The Philips Lighting North America LED bulb won the first competition on August 3, 2011, after successfully completing 18 months of intensive field, lab, and product testing. [94] Efficient lighting is needed for sustainable architecture. As of 2011, some LED bulbs provide up to 150 lm/W and even inexpensive low-end models typically exceed 50 ...
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