I en.wikipedia.org/wiki/LED_strip_light Diaries
I en.wikipedia.org/wiki/LED_strip_light Diaries
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La tecnologia delle strisce a led è innovativa e contribuisce né solingo a prosperare l’estetica degli ambienti, però soprattutto a contenere l’impatto ricostituente.
LEDs are transducers of electricity into light. They operate Sopra reverse of photodiodes, which convert light into electricity.
This reaction is called reduction. The electrons used Durante the copper to form the molecules of hydrogen are transferred from the zinc through an external wire connecting between the copper and the zinc.
This is the issue of color rendition, quite separate from color temperature. An orange or cyan object could appear with the wrong color and much darker as the LED or phosphor does not emit the wavelength it reflects. The best color rendition LEDs use a mix of phosphors, resulting in less efficiency and better color rendering.[citation needed]
The color of the light (corresponding to the energy of the photons) is determined by the energy required for electrons to traversone the band gap of the semiconductor.[5] White light is obtained by using multiple semiconductors or a layer of light-emitting phosphor on the semiconductor device.[6]
Create the right accent lighting with subdued lighting nuances: Philips LED strips come in luminous fluxes from 300 to 700 lm/m and four white light colours. A dimmable transformer lets you create even more atmospheric notes. Perfect for cove lighting
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Impact on wildlife: LEDs are much more attractive to insects than sodium-vapor lights, so much so that there has been speculative concern about the possibility of disruption to food webs.[189][190] LED lighting near beaches, particularly intense blue and white colors, can disorient turtle hatchlings and make them wander inland instead.
Many LED fixtures are now made using a small number of high-output diodes that allow the beam to be focused on a "hard edge", allowing full use of gobo/beam effects.
Diagram showing three lemon cells wired together so that they energize the red light-emitting diode (LED) at the top. Each individual lemon has a zinc electrode and a copper electrode inserted into it; the zinc is colored gray Per mezzo di the diagram. The slender lines drawn between the electrodes and the LED represent the wires.
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By selection of different link semiconductor materials, single-color LEDs can be made that emit light Con a narrow band of wavelengths from near-infrared through the visible spectrum and into the ultraviolet range.
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Assistive listening devices Durante many theaters and similar spaces use arrays of infrared LEDs to send sound to listeners' receivers. Light-emitting diodes (as well as semiconductor lasers) are used to send data over many types of fiber optic cable, from digital audio over TOSLINK cables to the very high bandwidth fiber links that form the Internet backbone.