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  2. Light fixture - Wikipedia

    en.wikipedia.org/wiki/Light_fixture

    Recessed light – the protective housing is concealed behind a ceiling or wall, leaving only the fixture itself exposed. The ceiling-mounted version is often called a downlight. "Cans" with a variety of lamps – this term is jargon for inexpensive downlighting products that are recessed into the ceiling, or sometimes for uplights placed on ...

  3. LED lamp - Wikipedia

    en.wikipedia.org/wiki/LED_lamp

    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 ...

  4. LED strip light - Wikipedia

    en.wikipedia.org/wiki/LED_strip_light

    An LED strip, tape, or ribbon light is a flexible circuit board populated by surface-mount light-emitting diodes (SMD LEDs) and other components that usually comes with an adhesive backing. Traditionally, strip lights had been used solely in accent lighting, backlighting, task lighting, and decorative lighting applications, such as cove lighting .

  5. Smart glass - Wikipedia

    en.wikipedia.org/wiki/Smart_glass

    Applied to the glass enclosure of a conference room. When the glass is transparent, one can see into or out of the room, and when it is non-transparent it can be used as a projection screen. Energy-saving function of glass curtain wall; Indoor decoration of residence: Lighting cover glass curtain, sunshine house, living room and bathroom ...

  6. Recessed light - Wikipedia

    en.wikipedia.org/wiki/Recessed_light

    Recessed lighting styles have evolved with more manufacturers creating quality trims for a variety of applications. Recessed lighting trim usually comes in the standard baffle in black or white, which is the most popular. [citation needed] They are made to absorb extra light and create a crisp architectural appearance.

  7. Light-emitting diode physics - Wikipedia

    en.wikipedia.org/wiki/Light-emitting_diode_physics

    A LED is a long-lived light source, but certain mechanisms can cause slow loss of efficiency of the device or sudden failure. The wavelength of the light emitted is a function of the band gap of the semiconductor material used; materials such as gallium arsenide , and others , with various trace doping elements , are used to produce different ...