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An LED strip, tape, or ribbon light is a flexible circuit board populated by surface-mount light-emitting diodes (SMD LEDs) and other components that usually comes with an adhesive backing. Traditionally, strip lights had been used solely in accent lighting, backlighting, task lighting, and decorative lighting applications, such as cove lighting .
The light from white LED lamps and LED strip lights is usually provided by industry standard surface-mounted device LEDs (SMD LEDs). [2] Non-SMD types of LED lighting also exist, such as COB (chip on board) and MCOB (multi-COB). Surface-mounted device LED modules are described by the dimensions of the LED package. A single multicolor module may ...
LED power dissipation is modeled as a current source; thermal resistance is modeled as a resistor; and the ambient temperature is modeled as a voltage source. High power light-emitting diodes (LEDs) can use 350 milliwatts or more in a single LED. Most of the electricity in an LED becomes heat rather than light – about 70% heat and 30% light. [1]
Facilitate private-sector-led development of new energy technologies. “An affordable, reliable supply of energy is crucial to America’s economic future. own production and partnering with our allies Canada and Mexico to achieve energy independence on this continent. If I am elected president, that vision will become a -Mitt Romney
1 watt 9 volt three chips SMD phosphor based white LED. Among the challenges being faced to improve the efficiency of LED-based white light sources is the development of more efficient phosphors. As of 2010, the most efficient yellow phosphor is still the YAG phosphor, with less than 10% Stokes shift loss.
Early detection is widely seen as key to cancer survival, which is why screenings and prevention are so widely recommended. And the message seems to be getting across, according to a study led by ...
"They all played their part in the violence that led to her tragic death." NSPCC acting chief executive Maria Neophytou said the abuse Sara sustained raised questions regarding child safeguarding.
Elephants, the largest land mammals on Earth, live in matriarchal family groups led by the eldest female. Known for their highly social nature, they exhibit remarkable traits such as affection ...
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