Search results
Results from the WOW.Com Content Network
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 ...
LED lamps — light-emitting diode lamps ('light bulbs') light sources. Pages in category "LED lamps" The following 12 pages are in this category, out of 12 total.
A 230-volt LED filament light bulb, with a B22 base. The filaments are visible as the four yellow vertical lines. A LED filament light bulb is a LED lamp which is designed to resemble a traditional incandescent light bulb with visible filaments for aesthetic and light distribution purposes, but with the high efficiency of light-emitting diodes (LEDs).
LED display of a TI-30 scientific calculator (c. 1978), which uses plastic lenses to increase the visible digit size X-Ray of a 1970s 8-digit LED calculator display. Until 1968, visible and infrared LEDs were extremely costly, on the order of US$200 per unit, and so had little practical use. [23]
Oil lamp, using an oil-based fuel source; Kerosene lamp, using kerosene as a fuel; Electric lamp, or light bulb, a replaceable component that produces light from electricity; Light fixture, or light fitting or luminaire, is an electrical device containing an electric lamp that provides illumination
Lighting is the technology of illuminating an area, usually by artificial sources such as a lamp or flashlight. Lighting design is concerned with illumination in different settings, such as architectural lighting and theatrical lighting.
This page was last edited on 1 June 2016, at 20:15 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply ...
From Wikipedia, the free encyclopedia. Redirect page