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2. Light-emitting diode - Wikipedia

   en.wikipedia.org/wiki/Light-emitting_diode

   One-color light is well suited for traffic lights and signals, exit signs, emergency vehicle lighting, ships' navigation lights, and LED-based Christmas lights Because of their long life, fast switching times, and visibility in broad daylight due to their high output and focus, LEDs have been used in automotive brake lights and turn signals.

3. LED circuit - Wikipedia

   en.wikipedia.org/wiki/LED_circuit

   is the LED's forward voltage drop in volts when lit. and the LED's light frequency (which we perceive as color) increase with the band gap of the LED's materials. Consequently, ranges from around 1.7 to 2.0 volts for red LEDs to around 2.8 to 4.0 volts for violet LEDs.

4. LED stage lighting - Wikipedia

   en.wikipedia.org/wiki/LED_stage_lighting

   LED instruments can contain a number of different coloured LEDs, often red, green and blue, and different light output colours can be achieved by adjusting the intensity of each LED color group. LED instruments should have a long service life relative to other options, without the expense of colour gel or replacement lamps.

5. Stage lighting instrument - Wikipedia

   en.wikipedia.org/wiki/Stage_lighting_instrument

   LED fixtures typically come with multiple colors of LED lights. Color theory shows that mixing the primary colors of light will make white light. Therefore, through color mixing, LED's can form a wide variety of colors from white light to deep primary colors to many others. This reduces the time taken to change the color of an already hung fixture.

6. High-CRI LED lighting - Wikipedia

   en.wikipedia.org/wiki/High-CRI_LED_lighting

   Problems have been encountered attempting to use LED lighting on film and video sets. The color spectra of LED lighting primary colors do not match the expected color wavelength bandpasses of film emulsions and digital sensors. As a result, color rendition can be unpredictable in optical prints or in transfers to digital media from film and ...

7. 30 Man-Made Innovations That Were Designed Mimicking ... - AOL

   www.aol.com/30-objects-were-directly-inspired...

   #12 LED Light Bulbs. ... because the human eye has a limited capacity to distinguish color patterns from far away. ... Flippers and oars help divers and boat riders to change their direction in ...