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2. Flashlight - Wikipedia

   en.wikipedia.org/wiki/Flashlight

   In 1999, Lumileds Corporation of San Jose, California, introduced the Luxeon LED, a high-power white-light emitter. This made possible LED flashlights with lower power consumption and running time better than incandescent flashlights with similar light output. The first Luxeon LED flashlight was the Arc LS, designed in 2001.

3. Maglite - Wikipedia

   en.wikipedia.org/wiki/Maglite

   1984: Two AA cell batteries (Mini Maglite) Maglite's first personal size flashlight; 1987: Two AAA cell batteries (Mini Maglite) A smaller version of the original Mini Maglite; 1988: One AAA cell battery (Maglite Solitaire) Mag Instrument's key chain flashlight. 2006: Maglite LED Flashlight and Upgrade Module: 3-watt Luxeon III LED from ...

4. 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 ...

5. Cree Introduces Industry's Brightest, Highest Performing ...

   www.aol.com/news/2012-12-11-cree-introduces...

   Cree Introduces Industry's Brightest, Highest Performing Single-Die LEDs New XLamp XM-L2 LEDs Deliver 186 Lumens-per-Watt Efficacy Milestone to Accelerate Adoption of LED Lighting DURHAM, N.C ...

6. Light Your Way With These Expert-Recommended Flashlights - AOL

   www.aol.com/lifestyle/8-best-flashlights...

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7. Luminous efficacy - Wikipedia

   en.wikipedia.org/wiki/Luminous_efficacy

   The former sense is sometimes called luminous efficacy of radiation, [4] and the latter luminous efficacy of a light source [5] or overall luminous efficacy. [ 6 ] [ 7 ] Not all wavelengths of light are equally visible, or equally effective at stimulating human vision, due to the spectral sensitivity of the human eye ; radiation in the infrared ...