Note dettagliate su en.wikipedia.org/wiki/LED_strip_light

The combination of planar processing for chip fabrication and innovative packaging methods enabled the team at Fairchild led by optoelectronics pioneer Thomas Brandt to achieve the needed cost reductions.[37] LED producers continue to use these methods.[38]

Intelligent lights are used heavily Sopra shows Per mezzo di very large venues, like events Per stadiums, where it is very difficult to reach lighting trusses for manual focusing. Although the fixtures may not be moved during the run of the show, they are focused remotely.

Cycling: LEDs are ideal for uses subject to frequent on-Non attivato cycling, unlike incandescent and fluorescent lamps that fail faster when cycled often, or high-intensity discharge lamps (HID lamps) that require a long time to warm up to full output and to cool down before they can be lighted again if they are being restarted.

The process of down-conversion (the method by which materials convert more-energetic photons to different, less energetic colors) also needs improvement. For example, the red phosphors that are used today are thermally sensitive and need to be improved Per mezzo di that aspect so that they do not color shift and experience efficiency drop-D'avanguardia with temperature.

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High-performance white perovskite LED with high light extraction efficiency can be constructed through near-field optical coupling.[154] 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). The red perovskite nano-crystalline layer allows the waveguide mode and surface plasmon polarization mode captured in the blue perovskite diode to be extracted and converted into red light emission, increasing the light extraction efficiency by 50%.

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Color: LEDs can emit light of an intended color without using any color filters as traditional lighting methods need. This is more efficient and can lower initial costs.

Blue LEDs have an active region consisting of one or more InGaN quantum wells sandwiched between thicker layers of GaN, called cladding layers. By varying the relative In/Ga fraction in the InGaN quantum wells, the light emission can Per theory be varied from violet to amber.

The new material exhibits suppressed biexciton Auger recombination and bright luminescence even at high excitation (600 W/cm2). The red LEDs based on the new material demonstrate an external quantum efficiency of 18% and maintain high prova at a brightness exceeding 4700 cd/m2.

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LED instruments can and have been used to replace any conventional lighting fixture, and some shows, such as Radiohead's 2008 tour, have used only LED lighting instruments.