Red Led Power
Tuesday, September 20th, 2011Red Led Power
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![]() 2 pcs High Power LED Lamp Red Color Light 1Watt 1W 660nm 20 30LM US $4.99
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LED lighting technology
LED is an acronym for Light Emitting Diode and this is a source of semiconductor light. These LEDS are mainly used for lighting purpose and used as an indicator device in most of the lights. In 1962, it was first introduced as an electronic component which was able to produce only red lights. But later and modern versions produces more colors.
Leds are the replacements of the traditional incandescent lights and it has many advantages and disadvantages compared to the traditional one. Advantages includes,
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Robustness
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Longer life up to 100000 hours because they doesn't have filaments.
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Reduced and lower energy consumption and still delivers the needed output
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Durability and Safety
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Reliability
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Smaller size
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Switching is faster
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Highly Efficient
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Eliminate the need for usual bulbs
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Follows 80-20% rule. - 80% of the energy is converted in to light energy and 20% is converted in to heat energy and thus produces a high efficient brightness.
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Can be used with any measure of power supply and clapse
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More advantageous than the high pressure sodium or metal lamps
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High quality and flexibilty
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Less light wastage
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Steady beam of direct light in different directions
Disadvantages includes,
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Heat management
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Expensive
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Needed more power supply
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Directional leds may not be good enough for all settings
Technology behind it
The diode can be used in two modes.
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Forward Biased or Switched on
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2.Backward Biased. or Switched off
Whenever the diode is in forward biased mode, it produces a effect called electroluminescence in which, the electrons combines with the spaces/holes in the device and releases photons. In this scenario, the light's color is determined by the semiconductor's energy gap.
We are using modern leds in our day to day life like traffic signal lights, indicators and aviation lighting. Leds that are coming in compact size are used in sensors and high switching rates are used in communication technologies like televisions remotes that are highly advanced.
The first led was used as a replacement of neon and incandescent indicator lamps in Seven segment displays. Initially it was tested in larger laboratories and research centers. Later on, it was implemented in electronic medias like televisions, radios, watches, calculators, phones etc., As we very well know, red leds were the first leds introduced. This was first invented by Monsanto company and they used a chemical called gallium arsenide phosphide to produce red led indicators. Later on, they used a semiconductor material like compound semiconductor chips that are fabricated to produce high bright and high efficiency leds.
Parameters
Leds are designed to use maximum of 30-60 milli watts of electric power. In the last century, in 1999, Philips lumileds introduced a high power watt that can electric power of 1 watts.
About the Author
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Z Bar High Power LED Red Desk Lamp - Koncept $169.95 Z Bar High Power LED Red Desk Lamp Z-Bar High Power LED Desk Lamp features the next generation High Power LEDs, while keeping the award-winning Z-Bar's contemporary design and flexibility. The new High Power lamp gives a brighter and broader light compared with the original, while consuming only 9 Watts (less than what the original consumes), and has a built-in 4-step dimmer. Available in daylight (~5500 Kelvin) and warm-white (~3500 Kelvin) light models. A clean, modern desk lamp in fire engine red. |
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Roadpro RP358R Toggle Switch Red Led $20.93 On/Off Positions LED Glows with Power On. 3 PlugIn Terminals 3 Connectors. 16 Amp 12Volt. Fits 1/2 x 1 MountingHole. Color: Red. |
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full color led par light,tri color led par light,led outdoor par light,high power led par light,led flood light,stage lighting $117.89 Power consumption: 50W(18pcs 3in1 leds) Protection range: IP65. LED QTY: 12pcs Red; 12pcs Green; 12pcs Blue. Control :5CH |
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wholesale tri color led par light,led waterproof par light,full color led par light,3in1 led light,high power led light $117.89 Power consumption: 50W(18pcs 3in1 leds) Protection range: IP65. LED QTY: 12pcs Red; 12pcs Green; 12pcs Blue. Control :5CH |
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Marineland Aquaria AML90489 8.5 in. Led Bubble Wand 6 Led Red $31.01 The fully submersible Marineland LED Bubble Wand creates beautiful underwater effects with 6 LED lights bubbles. Builtin airstone creates a curtain of air bubbles for improved oxygenation. Includes suctions cups and 10 long power cord. Low voltage UL listed adapter provides low energy consumption. The LED light makes a great night light. Use in freshwater or marine aquariums. Dimensions: 81/2 x 11/10 . Color: Red. |
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Z-Bar High Power Warm LED Red Desk Lamp $200 The award-winning Z-Bar High Power features next generation High Power LEDs with super long lifespan (40,000 operating hours). The Z-Bar High Power LED Desk Lamp is energy efficient (9 watts), flicker-free, contains no mercury, ultra adjustable with 6 joints and has a built-in 4-step dimmer for adjustable brightness. The Z-Bar Mini consumes only 9 watts and lasts 40,000 hours, no bulb change needed. For the High Power Z-Bar: In short, its brightness is comparable to a bare 100W light bulb. The Z-Bar High Power puts out 200 ~ 300 Lumens focused in roughly 65-degree angle, compared to a 100W incandescent which emits 1500 lumens in a 360-degree viewing angle. With the help of reflectors and light angle of the LEDs, the Z-Bar High Power puts about 120 FootCandles on the desk when its placed 15" above the desk. The Illuminating Engineering Society (IES) recommends 70 FootCandles in an office environment. |
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Mini 3 LED Solar Power Flashlight keychain(Red) $2.78 - Solar Powered Re-chargeable Built-in Battery - 3 LED's Powerful Brightness 15000 MCD - 45 Mah solar panel - Charging Time: 3-6 hours (in the Sun is ok) - Lighting Time: 2-3 hours |
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48-LED 3W 15ni 180-Lumen Red LED Light Strip (8.2V~8.5V) $10.3 - 3W power- 48 bright red LED emitters- 15ni- 180-lumen manufacturer rated- 8.2V~8.5V 240mA- Aluminum alloy contruction- Professionally wielded |
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Energizer Power Select Compact LED Flashlight. $11.99 Weather ready compact power select flashlight works with "AA" or "AAA" batteries. For emergency preparedness: Contains an alert whistle, integrated safety checklist, and reflector strips on flashlight head. O-ring sealed to protect against weather. Contains 2 white Nichia LED lamps. Dimensions: 6.88" x 1.88". Color: Red/gray. Requires (2) "AA", (2) "AAA" batteries. |
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Red Triangular LED Lantern $19.99 Perfect for emergencies and power outages, it features a built-in compass, hanging hook and 360 degrees of illumination. No cords! Uses 4 D batteries (not included). Metal/plastic. Imported. 8 1/4"H, 4 1/4" diameter. Buy One Get One Free! |
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Simulated Indoor and Outdoor Camera with Blinking Red LED $13.99 HighlightsThis Simulated Security Camera with blinking red LED makes it look like an actual security camera.This Simulated Security Camera looks and mounts just like the real thing, free swivel 90 degree in vertical and 360 degree in horizontal, at a fraction of the cost. Specification180mm dummy security camera Swivel pan for up to 360 degree wide angle in horizontal and 90 degree verticalRealistic appearance Blinking red LED lights Power by 2 x AAA alkaline batteries (not included) No external power required Mounting screws includedUnit dimension: 175x145x80mmUnit weight: 250 grams |
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3-in-1 Power Metallic LED Light Projection Clock Red Laser Pointer -blue $11.99 Features:Stylish and useful design of the 3 in 1 Red Laser Pointer LED Lights Projection Clock which are perfect for teaching or presentations3-in-1 Power Metallic LED lights Red Laser Pointer with Projection ClockUltra compact size, no larger than an ordinary penManual focus ring to adjust Projection Clock display size and focus the beamCalendar, clock dispaly adjustableUltra bright LED Lights beamLaser Pointer Pen comes with batteries and storage caseSpecifications:Use 5 x LR44 Button Cell batteries (Included)Laser pointer effective visibility: approx. 3 metersTime display: hours and minutesDate display: Month and dayAdjust time by using the pin to press button through the holesLength: 13cmColour: BlueComing with batteies and hold caseWeight: 47.5gPackage contents:1 x Red Laser Pointer Pen5 x Batteries1 x Case1 x Pin |
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Red 12in Led Strip $26.99 STREETGLOW SGLST12RD 12" LED STRIP (RED) |
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Red 9in Led Strip $22.99 STREETGLOW SGLST9RD 9" LED STRIP (RED) |


US $9.50























































































