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  2. Frontlight - Wikipedia

    en.wikipedia.org/wiki/Frontlight

    The solution; the frontlight, also sometimes marketed as a "reading light" in order to appeal to the non-nerd as seen in the ReMarkable Paper Pro. [2] Frontlights are relatively uncommon overall. Electroluminescent lights present a reflective surface when turned off. This allows for a backlit display which can also be used with ambient light.

  3. Automotive lighting - Wikipedia

    en.wikipedia.org/wiki/Automotive_lighting

    The low and high beams, along with the position (parking) light and front turn signal, all use LEDs. The Lexus LS 600h (XF40) features LED low beam, position and side marker lights in North America, and the 2009 Cadillac Escalade Platinum used LEDs for the low and high beams, as well as for the position and side marker lights.

  4. Backlight - Wikipedia

    en.wikipedia.org/wiki/Backlight

    The diffused light then travels to either side of the diffuser; the front faces the actual LCD panel, the back has a reflector to guide otherwise wasted light back toward the LCD panel. The reflector is sometimes made of aluminum foil or a simple white-pigmented surface.

  5. Blackout light - Wikipedia

    en.wikipedia.org/wiki/Blackout_light

    Red blackout marker (bottom) and white stop (top) lights NATO rear convoy guidance cross Front blackout marker light. Front marker lights are typically mounted below or to the side of the vehicle's normal headlights. They serve the purpose of making the vehicle visible to oncoming drivers or for a driver to see if a vehicle is following them.

  6. Back-illuminated sensor - Wikipedia

    en.wikipedia.org/wiki/Back-illuminated_sensor

    Comparison of simplified back-illuminated and front-illuminated pixel cross-sections. A back-illuminated (BI) sensor, also known as back-side illumination (BSI) sensor, is a type of digital image sensor that uses a novel arrangement of the imaging elements to increase the amount of light captured and thereby improve low-light performance.

  7. Electroluminescence - Wikipedia

    en.wikipedia.org/wiki/Electroluminescence

    Views of a liquid crystal display, both with electroluminescent backlight switched on (top) and switched off (bottom). Electroluminescence (EL) is an optical and electrical phenomenon, in which a material emits light in response to the passage of an electric current or to a strong electric field.

  8. Light switch - Wikipedia

    en.wikipedia.org/wiki/Light_switch

    Two light switches in one box. The switch on the right is a dimmer switch. The switch box is covered by a decorative plate. The first light switch employing "quick-break technology" was invented by John Henry Holmes in 1884 in the Shieldfield district of Newcastle upon Tyne. [1]

  9. 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 ...

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