Led Light
Todays deals on Led Light?
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IDEAL 33-990-FA01, Multimode (850/1300Nm) Kit With Led Light Sources $4,090.00 |
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10X Outdoor 100W Warm White LED Garden Flood Light Lamp $2,208.00 |
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LOT OF 1000 WIRE SOLICO #28 GREEN LED INDICATOR LIGHTS WITH 6 INCH WIRE LEADS $1,599.00 |
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20set 5M 5050 SMD RGB Flash Light LED STRIP + IR Remote $1,577.00 |
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20set 5M 5050 SMD RGB Flash Light LED STRIP + IR Remote $1,577.00 |
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20set 5M 5050 SMD RGB Flash Light LED STRIP + IR Remote $1,577.00 |
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20set 5M 5050 SMD RGB Flash Light LED STRIP + IR Remote $1,577.00 |
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6x Outdoor 100W Cool White LED Garden Wash Flood Light $1,380.00 |
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1000pcs High Power 3w Green LED Lamp bright 3watt Light led $1,049.88 |
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1000pcs High Power 3w RED LED Lamp bright 3watt Light led $1,049.88 |
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1000pcs 3watt GREEN High Power 3W LED Lamp Light Bright $1,044.00 |
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NEW 1000pcs 3watt RED High Power 3W LED Lamp Light DIY $1,044.00 |
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1000pcs High Power 3w warm white LED Lamp 3watt Light led $999.88 |
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1000pcs High Power 3w white LED Lamp bright 3watt Light cool white $999.88 |
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1000pcs High Power 3watt Blue LED Lamp bright Light 3w led $999.88 |
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1000x High Power 3w Yellow LED Lamp bright 3watt Light amber led $999.88 |
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1000pcs 3watt white High Power 3W LED Lamp Light Bright $994.00 |
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1000X 3watt warm white Led High Power 3W LED Lamp Light $994.00 |
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1000pcs 3watt YELLOW High Power 3W LED Lamp Light Bright $994.00 |
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1000pcs 3watt BLUE High Power 3W LED Lamp Light Bright $994.00 |
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20set,5M 5050 SMD RGB Flash Light LED STRIP + IR Remote $1,188.00 |
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10000,3mm RED Wired Cable Lead DC-12V Car LED Light,3LR $1,158.00 |
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10000,3mm RED Wired Cable Lead DC-12V Car LED Light,3LR $1,158.00 |
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10000,3mm RED Wired Cable Lead DC-12V Car LED Light,3LR $1,158.00 |
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10000,3mm Wired Lead 12V Car Red Diffused LED Light,3RR $1,152.00 |
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10000,5mm Wire Lead 12V Yellow Diffused LED Light,5YY $1,152.00 |
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10000,3mm Wire Lead 12V DC Green Diffused LED Light,3GG $1,152.00 |
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10000,5mm Wired Lead 12V Car Red Diffused LED Light,5RR $1,152.00 |
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10000,3mm Wire Lead 12V Yellow Diffused LED Light,3YY $1,152.00 |
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10000,5mm Wired Lead 12V Car Red Diffused LED Light,5RR $1,152.00 |
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10000,5mm Wire Lead 12V Yellow Diffused LED Light,5YY $1,152.00 |
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10000,3mm Wired Lead 12V Car Red Diffused LED Light,3RR $1,152.00 |
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10000,3mm Wire Lead 12V Yellow Diffused LED Light,3YY $1,152.00 |
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10000,3mm Wire Lead 12V DC Green Diffused LED Light,3GG $1,152.00 |
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10000,5mm Wired Lead 12V Car Red Diffused LED Light,5RR $1,152.00 |
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10000,5mm Wire Lead 12V Yellow Diffused LED Light,5YY $1,152.00 |
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10000,3mm Wired Lead 12V Car Red Diffused LED Light,3RR $1,152.00 |
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10000,3mm Wire Lead 12V Yellow Diffused LED Light,3YY $1,152.00 |
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10000,3mm Wire Lead 12V DC Green Diffused LED Light,3GG $1,152.00 |
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10000,5mm Wired Lead 12V Car Red Diffused LED Light,5RR $1,152.00 |
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10000,3mm Wire Lead 12V DC Green Diffused LED Light,3GG $1,152.00 |
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5000 pcs PLCC-6 5050 SMD 3-CHIPS pink 7000mcd LED light $900.14 |
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Wholesale Best price 50pcs 15W E27 Cool White 263 LED Corn Light Bulb $1,100.00 |
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50 x 15W E27 Warm White 263 LED Corn Light Bulb 220V-240V $1,100.00 |
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TELI CS4200 CCIR MACHINE VISION MACRO CAMERA LED LIGHT $1,099.00 |
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KEYENCE VISION CAMERA / CV-130 / CV-C11/ LED Light /Monitor /Remote Control $998.00 |
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1000 x 3W High-powe Warm white LEDS 1000pcs 3watt light $720.88 |
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1000 x3W High-powe Blue LED 1000pcs 3watt light $720.88 |
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1000x 3W Red High-power LED 1000pcs 3watt light $720.88 |
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1000x3W Yellow High-power LED 1000pcs 3watt light $720.88 |
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1000 x 3W High-powe Green LEDS 1000pcs 3watt light $720.88 |
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10pcs Warm White 50W LED Garden Flood Light Lamp DHL A+ $1,012.00 |
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Cool White 50W LED Garden Landscape Flood Light 10pcs $1,012.00 |
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SPECTRUM ILLUMINATION BL88-660 RED LED BACK LIGHT ***XLNT*** $999.00 |
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Lot of 10 LED 50W Garden Landscape Yard Flood light Cool White 5000Lm $1,000.00 |
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380nm-385nm Ultra Violet UV High Power LED Light 100W $999.99 |
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Zoom Video Borescope Endoscope Scope LED Light Source Wireless Inspection Scope $999.00 |
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Rigid Video Borescope Endoscope Scope LED Light Source Wireless Inspection Scope $999.00 |
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10pcs 50W Warm White 2-LED Flood Wash Light 50Watt 85-265V Waterproof IP67 Lamp $990.00 |
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1000x3W white High-power LEDS 1000pcs 3watt light $720.88 |
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1000 X 3W Green High-power LED Light 1000PCS 3watt LAMP $729.99 |
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1000 X 3W Blue High-power LED Light 1000PCS 3watt LAMP $729.99 |
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1000pcs 3W warm White High-power LED Lamp Light 170Lm $729.99 |
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1000X 3W RED High-power LED Light 1000PCS 3watt LAMP $729.99 |
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10pcs 30W Blue LED Flood Light Wash light 85-265V lamp $919.99 |
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10pcs 50W Blue 2-LED Flood Wash Light 50Watt 12V – 24V DC Waterproof IP67 Lamp $910.80 |
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10pcs 50W Cool White 2-LED Flood Wash Light 50Watt 12V – 24V DC Waterproof Lamp $910.80 |
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10pcs 50W Warm White 2-LED Flood Wash Light 50Watt 12V – 24V DC Waterproof Lamp $910.80 |
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10pcs 50W Cool White 2-LED Flood Wash Light 50Watt 85-265V Waterproof IP67 Lamp $910.80 |
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10pcs 50W Blue 2-LED Flood Wash Light 50Watt 85-265V AC Waterproof IP67 Lamp $910.80 |
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Wholesale 50x 9W 3x3W Frosted Cabinet Led Recessed Down Ceiling light Warm White $899.00 |
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5000 pcs PLCC-6 5050 SMD 3-CHIPS Orange amber LED light $565.18 |
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10pcs 100W White High Power LED Light + 10pcs 100Watt Waterproof AC Driver $855.00 |
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20pcs 20W Cool White 1600LM LED Flood Light Spot Light Waterproof 20 Watt Lamp H $837.20 |
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Hobbes HC-6610 Multi Mode Infrared LED Fiber Optical Light Source $821.99 |
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shimatec s3ch led power supply and shimatec md-80 led light lens holder md-80rw $800.00 |
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Wholesale 50pcs 3x3W 9W LED Warm White Recessed Ceiling down light AC 110/240V $799.99 |
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5set,10M 5050 SMD RGB Flash Light LED STRIP + IR Remote $788.00 |
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5set,10M 5050 SMD RGB Flash Light LED STRIP + IR Remote $788.00 |
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OMRON VISION MATE F150 & CAMERA F150-S1A & F150-KP & LED RING LIGHT $700.00 |
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100pcs 3W 2-chips UV ultra violet high power 3watt purple LED light 395-405nm $661.46 |
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LED Commercial Home Light Fixture – 9 Lamp Hi Intensity Traxon 56 Qty $750.00 |
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CCS LFV2-70RD LFV Series LED Coaxial Light Unit for Illumination $745.00 |
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100pcs x 12V DC 5050 SMD LED RGB Flash 30cm Strip Light $600.00 |
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Turbolux 30cm x 30cm 18W AC85-265V 1200-1400LM LED light panel Pure white x10 $729.00 |
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10000, PLCC-2 1210 White 2500mcd SMD LED Light, PWS $728.00 |
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5000,5mm Wired Lead 12V DC Green Diffused LED Light,5GG $725.00 |
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5000,5mm Wired Lead 12V DC Green Diffused LED Light,5GG $725.00 |
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5000,5mm Wired Lead 12V DC Green Diffused LED Light,5GG $725.00 |
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5000 pcs PLCC-6 5050 SMD 3-CHIPS Orange amber LED light $423.88 |
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100pcs 3W UV ultraviolet LED 3watt light lamp 395-400nm purple with PCB $599.99 |
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100PCS 3W power white led spot light bulb MR16 12V $559.99 |
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100PCS 3W power red led spot light bulb MR16 12V $559.99 |
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10set 5M 5050 SMD RGB Flash Light LED STRIP + IR Remote $699.00 |
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10set 5M 5050 SMD RGB Flash Light LED STRIP + IR Remote $699.00 |
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10set 5M 5050 SMD RGB Flash Light LED STRIP + IR Remote $699.00 |
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10set 5M 5050 SMD RGB Flash Light LED STRIP + IR Remote $699.00 |
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100pcs 3W UV ultraviolet high power LED Lamp bright 3watt purple Light $598.88 |
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Banner Engineering Vision System Camera P4G1.3R, w/Lense LC16LMP and LED light $695.00 |
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6 x White 50W LED Garden Landscape Flood Light lamp DHL $644.00 |
Led Light Questions
China LED Light Bulb Wholesale Manufacturer Factory
LEDs are solid-state semiconductor devices that convert electrical energy directly into light.
Thermal sources of light such as flames and incandescent filaments emit light when heated, either by chemical reaction (flames) or electrical heating (filament lamps). LED “cold” generation of light leads to high efficacy because most of the energy radiates within the visible spectrum.
Other common high efficiency light sources, such as fluorescent lamps and electro luminescent devices, also produce light without much thermal radiation outside the visible spectrum.
Because LEDs are solid-state devices, they can be extremely small and durable; they also provide longer lamp life than other sources.
Light is generated inside the chip, a solid crystal material, when current flows across the junctions of different material compositions.
An LED consists of two elements of processed material called P-type semiconductors and N-type semiconductors. These two elements are placed in direct contact, forming a region called the P-N junction. The composition of the different materials determines the wavelength and therefore the colour of light generated.
LED resembles most other diode types, but there are important differences. The LED has a transparent package, allowing visible or IR energy to pass through. Also, the LED has a large PN-junction area whose shape is tailored to the application. The device shown in Figure 1 is an AlGaInP LED because the semiconductor layers are aluminum (Al), gallium (Ga), indium (In), and phosphate (P).
Main LED materials
The main semiconductor materials used to manufacture LEDs are:
*Indium gallium nitride (InGaN): blue, green and ultraviolet high-brightness LEDs
*Aluminum gallium indium phosphide (AlGaInP): yellow, orange and red high-brightness LEDs
*Aluminum gallium arsenide (AlGaAs): red and infrared LEDs
*Gallium phosphide (GaP): yellow and green LEDs
Why LEDs?
LEDs have a range of benefits which is fast making them the best solution for real energy efficient lighting. Over the course of the next few years some aspects are expected to change significantly.
Lifetime
As solid-state light sources, LEDs have a very long lifetime and are generally very robust due to no mechanical or moving parts.
Incandescent bulbs have an expected lifetime of 1k to 5k hours, while good quality LEDs are often quoted of having a lifetime of 50k hours, more than 5 years continuous use. However it is important to to understand that the performance of LEDs degrades over time, and this degradation is strongly affected by factors such as operating current and temperature.
Low maintenance
The long lifetime of LEDs reduces the need to replace failed lamps, and this can lead to significant financial and environmental savings, particularly in maintenance, labour and recycling. This makes LED fixtures useful for installations in inaccessible locations, but if tasks like cleaning the light fixture are required, then the light sources could be replaced at the same time, negating the “low maintenance” advantage.
Efficiency
As a semiconductor device, LEDs are highly efficient. Current device technology is allowing the performance of these to be pushed to limits that exceed that of standard lighting.
The directional nature of light produced by LEDs allows the design of luminaires with higher overall efficiency.
Low power consumption
The low power consumption of LEDs leads to large energy savings that can often drive the installation of LED-based systems. Initial purchase costs start off higher, but can be proven to return the investment cost in a short period of time.
Brightness
Light outputs are constantly being increased and there are several products that have higher lumen output than traditional lighting.
Heat
LEDs do not produce heat in the form of infrared radiation (IR) unlike incandescent bulbs which makes them hot to the touch.
This lack of heat production allows LED fixtures to be used in locations where heating from conventional sources would cause a particular problem e.g. illuminating food, textiles, artifacts, etc.
However, LEDs do produce heat at the semiconductor junction within the device and good thermal management must be employed on high power devices to maintain operation life
Cost
In many applications, LEDs are expensive compared with other light sources, when measured by metrics such as “?-per-lumen”.
LED manufacturers continue to work towards reducing their production costs while at the same time increasing the light output of their devices.
However, the high initial cost of LED-based systems is offset by lower energy consumption, lower maintenance costs and other factors.
The initial cost may seem high, but take into account the electricity usage that is saved, they pay for themselves.
Electricity Cost savings from switching to LED Direct replacement bulbs
10W LED Bulbs Vs 75W halogen bulb running cost comparison
Small form-factors
LEDs are very small – typical high-brightness LED chips measure 0.3 mm by 0.3 mm, while high-power devices can be 1 mm x 1 mm or larger. There are many examples where the availability of small, high-brightness devices have enabled significant market advancement. The obvious example is in mobile phone handsets, where blue, green and white LEDs are now used in most models to back light keypads and liquid-crystal display (LCD) screens.
Instantaneous switch-on
LEDs switch on rapidly, even when cold, and this is a particular advantage for certain applications such as vehicle brake lights.
Colour
LEDs are available in a broad range of brilliant, saturated colours (although performance varies across the spectrum), and white devices are also available. Modules containing different colored LEDs (typically red, green and blue, or RGB) can be tuned to a huge range of colours, and easily dimmed. RGB modules provide a much wider gamut of colours than white LEDs or other traditional white light sources, which is a particular advantage in applications such as backlighting liquid-crystal displays (LCD’s).
RGB LEDs and colour mixing
LED characteristics change with time, temperature and current, and from device to device. For RGB LEDs, the performance of different colored devices changes at different rates. This can result in variation of lamp colour and intensity, and poor reproducibility
LED Lighting Types
Now the LED bulbs are widely applied in household, office, street, shop, park etc for decoration and lightings LED lighting family mainly includes:
1. LED ball lamp
2. LED spot lamp
3. LED ground lamp
4. LED tube light
5. LED rope lamp
6. LED pool lamp
7. LED curtain lamp
8. LED Christmas (festival) lamp
9. LED ceiling lamp
10. LED road light
11. LED Solar light
Etc.
In a word, LED lightings will be the future of lighting, and it will definitely replace the halogen lights in soon future.
About the Author
[url=http://www.led-expert.cn]China LED Light Factory[/url]
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