Note dettagliate su en.wikipedia.org/wiki/LED_strip_light
Note dettagliate su en.wikipedia.org/wiki/LED_strip_light
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E. Durante l’attività proveniente da consulenza ed controllo telefonica alla clientela, anche se prolungata nel Corso in amicizia alle esigenze individuali, Con legame ad una richiesta Verso unito dei prodotti proveniente da cui tornare sopra;
Under ordinary circumstances, the hydrogen adheres very much to the plates of an acid battery, and throws a considerable portion of the plates out of the action, by its presence on their surfaces. To remedy this, he has, as he terms it, "platinized" the surfaces. ^
Green LEDs manufactured from the InGaN/GaN system are far more efficient and brighter than green LEDs produced with non-nitride material systems, but practical devices still exhibit efficiency too low for high-brightness applications.[citation needed]
Some phosphor-based white LEDs encapsulate InGaN blue LEDs inside phosphor-coated epoxy. Alternatively, the LED might be paired with a remote phosphor, a preformed polycarbonate piece coated with the phosphor material.
Some phosphor white LED units are "tunable white", blending two extremes of color temperatures (commonly 2700K and 6500K) to produce intermediate values. This feature allows users to change the lighting to suit the current use of a multifunction room.
Circuitboard Composition & Quality - For higher power LED strips, the quality and specification of the underlying circuitboard is paramount. Because high levels of electrical current must travel through each section, sufficient copper material is needed. Look for LED strips with a copper weight of at least 2 oz, and ideally 4 oz to ensure the circuitboard can handle the higher power - otherwise, you can become victim to voltage drop. LED Quantity & Quality - The efficiency, quality and stability of light output is directly determined by the LED emitters. Look for LED strip lights that place stringent quality controls and specifications on the LED emitters, and watch out for LED strips that claim a high power despite a low LED count, as this can indicate overdriving the LED emitters, leading to premature failure.
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Unlike LED bulbs, all LED strips are dimmable when paired with the correct equipment. There are two methods of dimming LED strips: a traditional phase-cut wall-dimmer, or a DC low-voltage dimmer. The AC phase-cut dimmer approach is typically most ideal for residential and commercial lighting applications where the dimming input signal comes from a traditional wall-switch dimmer.
Readouts Sopra calculators were so small that plastic lenses were built over each digit to make them legible. Later, other colors became widely available and appeared Sopra appliances and check here equipment.
Diagram showing three lemon cells wired together so that they energize the red light-emitting diode (LED) at the apice. Each individual lemon has a zinc electrode and a copper electrode inserted into it; the zinc is colored gray Durante the diagram. The slender lines drawn between the electrodes and the LED represent the wires.
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La gamma di strip LED distribuite Digimax si differenzia in un’ampia selezione intorno a strip LED RGB colorate, strip LED RGBW multicolori, strip LED monocromatiche intorno a un derelitto colore, strip LED dim to warm o tunable white Verso variare l’intensità tra luce e tonalità del immacolato.
Most LED strips are configured to operate at 12V or 24V DC. When running off of a uniforme mains supply power source (e.g. household wall outlet) at 120/240V AC, the power needs to be converted to the appropriate low voltage DC signal. This is most frequently and simply accomplished using a DC power supply.
Voltage sensitivity: LEDs must be supplied with a voltage above their threshold voltage and a current below their rating.