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2. Light extraction in LEDs - Wikipedia

   en.wikipedia.org/wiki/Light_extraction_in_LEDs

   Light extraction in LEDs involves the set of particular problems that is connected with getting light from the light emitting p-n junction in an LED to the surroundings, such that the light might be useful, for instance for lighting.

3. 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.

4. 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 ...

5. Perovskite light-emitting diode - Wikipedia

   en.wikipedia.org/wiki/Perovskite_light-emitting...

   High-performance white perovskite LED with high light extraction efficiency can be constructed through near-field optical coupling. [5] The near-field optical coupling between blue perovskite diode and red perovskite nanocrystal was achieved by a reasonably designed multi-layer translucent electrode (LiF/Al/Ag/LiF).

6. Category:Light-emitting diodes - Wikipedia

   en.wikipedia.org/wiki/Category:Light-emitting_diodes

   LED art; LED backlight; LED circuit; LED display; LED driver; LED filament; LED film; LED street light; LED strip light; LED to LED communication; LED wallpaper; LED-backlit LCD; Leddar; Light extraction in LEDs; Light-up shoes; List of LED failure modes

7. Steve Guttenberg Goes Unrecognized as He Comes to the Rescue ...

   www.aol.com/steve-guttenberg-goes-unrecognized...

   Steve Guttenberg hit the ground running to help people impacted by the fires in Pacific Palisades — and he was almost unrecognizable. The flames first began around 10:30 a.m. local time on ...