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2. Light-emitting diode - Wikipedia

   en.wikipedia.org/wiki/Light-emitting_diode

   A bulb-shaped modern retrofit LED lamp with aluminum heat sink, a light diffusing dome and E27 screw base, using a built-in power supply working on mains voltage. A light-emitting diode ( LED) is a semiconductor device that emits light when current flows through it.

3. Intelligent lighting - Wikipedia

   en.wikipedia.org/wiki/Intelligent_lighting

   Intelligent lighting refers to lighting that has automated or mechanical abilities beyond those of conventional, stationary illumination. Although the most advanced intelligent lights can produce extraordinarily complex effects, the intelligence lies with the human lighting designer, control system programmer (for example Chamsys and Avolites ...

4. Light fixture - Wikipedia

   en.wikipedia.org/wiki/Light_fixture

   A light fixture (US English), light fitting (UK English), or luminaire is an electrical lighting device containing one or more light sources, such as lamps, and all the accessory components required for its operation to provide illumination to the environment. [1] All light fixtures have a fixture body and one or more lamps. The lamps may be in sockets for easy replacement—or, in the case of ...

5. LED lamp - Wikipedia

   en.wikipedia.org/wiki/LED_lamp

   An LED lamp or LED light [1] is an electric light that produces light using light-emitting diodes (LEDs). LED lamps are significantly more energy-efficient than equivalent incandescent lamps and fluorescent lamps.

6. Mirror - Wikipedia

   en.wikipedia.org/wiki/Mirror

   Mirror. A mirror reflecting the image of a vase. A first-surface mirror coated with aluminium and enhanced with dielectric coatings. The angle of the incident light (represented by both the light in the mirror and the shadow behind it) exactly matches the angle of reflection (the reflected light shining on the table).

7. Light tube - Wikipedia

   en.wikipedia.org/wiki/Light_tube

   Light tube. Light tubes (also known as solar pipes, tubular skylights or sun tunnels [1]) are structures that transmit or distribute natural or artificial light for the purpose of illumination and are examples of optical waveguides . In their application to daylighting, they are also often called tubular daylighting devices, sun pipes, sun ...