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2. List of LED failure modes - Wikipedia

   en.wikipedia.org/wiki/List_of_LED_failure_modes

   Reverse bias: Although the LED is based on a diode junction and is nominally a rectifier, the reverse-breakdown mode for some types can occur at very low voltages and essentially any excess reverse bias can cause immediate degradation, and may lead to vastly accelerated failure. 5 V is a typical maximum reverse bias voltage specification for ...

3. 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 ...

4. 3 Best Christmas Items at Lowe’s That Can Be Reused ... - AOL

   www.aol.com/finance/3-best-christmas-items-lowe...

   Neuman called this large wreath with LED lights a “classic with a twist.” “Its sturdy construction lets it be stored and reused for years, and the ornaments and bow add just enough flair ...

5. Lowe's - Wikipedia

   en.wikipedia.org/wiki/Lowe's

   Lowe's is the exclusive retailer for both the plans and building materials for the Lowe's Katrina Cottage. They offer easy construction and affordability, as well as the possibility of expansion. Moreover, they meet all international building codes and exceed hurricane codes. Lowe's discontinued the Katrina Cottage line in 2011.

6. Adaptive optics - Wikipedia

   en.wikipedia.org/wiki/Adaptive_optics

   Illustration of a (simplified) adaptive optics system. The light first hits a tip–tilt (TT) mirror and then a deformable mirror (DM) which corrects the wavefront. Part of the light is tapped off by a beamsplitter (BS) to the wavefront sensor and the control hardware which sends updated signals to the DM and TT mirrors.

7. Recessed light - Wikipedia

   en.wikipedia.org/wiki/Recessed_light

   Recessed lighting styles have evolved with more manufacturers creating quality trims for a variety of applications. Recessed lighting trim usually comes in the standard baffle in black or white, which is the most popular. [citation needed] They are made to absorb extra light and create a crisp architectural appearance.