Saturday, July 30, 2011
LED Lights for cars.
Wipro launches its first full LED Landscape Lighting
Thursday, July 28, 2011
LED for Your Home
Saturday, July 23, 2011
LED Lights reduce Operating Costs
Photography and Technology
Friday, July 22, 2011
LED Lighting – The Advantages
LED lighting in Bicycles
Ushering in the Future with Led Lighting
Efficient Led lights are slowly replacing energy-wasting bulbs as they are semi-permanent. Studies show that these lights can potentially reduce energy consumption up to 50 percent in the next 20 years and they are twice as efficient as compact fluorescent lights. Use of Led lights is the simplest method of combating global warming using existing technology.
Thursday, July 14, 2011
LED vs. LCD lighting
LED lighting
Advantages of LED
The first winning argument in the favor of the LED is, obviously, money. They are more efficient, and their efficiency isn’t affected by changes to the shape and size. The next argument is that they can be made to emit light of any color without the use of filters, unlike traditional fluorescent light sources. Also, LEDs emit less heat than counterparts like tubes and bulbs. But it’s not all plain sailing. Initial costs are comparatively higher.
Wednesday, July 13, 2011
LED Lighting Is More of a Saving Than Expenditure
Techno Light
LED and Light bulbs
Saturday, July 9, 2011
Glow-Signs
OLED-Organic Light Emitting Diode
There are various advantages of using OLEDs. They have better power efficiency than equivalent LCD screens, since they do not use a backlight. This also enables OLED screens to show true black. The next major advantage is that picture quality is much improved because of higher refresh rates. While LCD screens manage a refresh rate of around 200 Hz, OLED screens can have refresh rates of more than 100000 Hz.
Friday, July 8, 2011
Stage Lighting's
Thursday, July 7, 2011
Residential LED lighting
Led lighting…lights of entertainment
Samsung all the way!
Saturday, July 2, 2011
LED Clothing
Well your answer lies in LED clothing. These days dress designers have introduced LED lighting in their clothes. So you can have lights emitting from the inside of your shoe, beneath your collar, your sleeve or even a design on the front of your t-shirt.
But don’t confuse this with some disco outfit. You won’t have light bulbs on your jacket but instead you will have cool designs on it.
There is no hassle about the battery as the LED clothing range generally uses small watch batteries and they don’t wear out quickly. Also it is economical as LED is a cheap yet convenient light source.
Friday, July 1, 2011
Led lighting Powerful and Bright
Solar based LED’s
Thursday, June 30, 2011
Let’s Get LED-ied
The entire world is shifting to LED lights, will you?
Let there be light
LEDs for entertainment
LED lights are reasonable and come in a lot of variety. Therefore their usage is also varied - finding application is very many fields. In the entertainment industry, they're just about adding an extra bit of zing.
Sunday, June 26, 2011
LED Lighting
LED lighting such as the use LED lamps is a good alternative to normal lighting techniques though there is one problem that they are not commercially viable. LED lighting such as LED are very rapidly replacing traditional lighting techniques such as screw in bulbs and other such similarly related tools.
The Beauty of LED’s
Thursday, June 23, 2011
LED in Emergency Lighting
See LED lighting selection on sale for viewing now. Also look at the Aquarium LED lighting units available.
Sunday, June 19, 2011
LED LIGHTING: A SUMMARY
Saturday, June 18, 2011
A new gardening approach – LED lights
LED lighting is optimally designed for growing as well as lighting. It is perfect for immature plants. LEDs put forward the advantages of not heating the air that surrounds the plants. This may be a difficult transfer for long time gardeners as they may have irrigation and lighting facilities installed already. However one should consider this switch as it costs less and also uses lesser energy than other fluorescent lights.
Friday, June 17, 2011
The advantage of LED’s
Saturday, June 11, 2011
LED vs. CFL
Only downside that the LED lights have and the reason it is not mainstream is because it is expensive and it has very less availability. Purchases have to be made online owing to its unpopularity as of now.
Thursday, June 9, 2011
Benefits of LED lighting
Facts on LED Lighting
Wednesday, June 1, 2011
LED lights for bikes
Low intensity LED lights for bikes are enough for riding on well-lit streets. However, high intensity LED lights are recommended for riders who ride their bike late at night, or at dawn, or on highways which often do not have sufficient lighting. Often, high intensity LED lights’ intensity can be adjusted and lowered. LED lights are made to suit dimming well. LED lights works on lithium batteries, which usually have a long life. The outer casing of LED lights are usually made of plastic, thus making it weather-proof and water-proof. LED lights are sold individually in the market – thus requiring self installation. However, LED lights for bikes are modeled according to most bikes, and can be easily mounted and tightened onto a bike.
Tuesday, May 31, 2011
Led lights
The increasing commercialization puts pressure on the retail market to look into every nook and cranny such that their merchandise succeeds in attracting customer support. The multicolor LED lamp enhances the customer acceptability of a product as it adds to its grandeur. Light emitting diodes are used to augment the flavor of the modern lighting system. These multipurpose lamps are known to highlight certain features, create the ideal atmosphere or even transform the look suiting individual requirements. Phillips and Wipro are the most noted companies spearheading the cause. Fashion industry, interior designing and especially architects are solely dependent on these lighting fixtures to offer infinite color palette for one to choose from.
Friday, May 27, 2011
LED's--information and uses
Since its invention in 1962, LED's or Light-emitting diodes have taken the world my storm. From torches to televisions, LED's are being used in abundance in everyday items. They consume less energy, have a longer lifespan, are compact in size and are durable and reliable. They are used in automobile's, D.V.D players, and traffic signals and even in the aviation industry. LED's were first used to replace the incandescent indicator lamps and neon lights. Later they were used in all other appliances like telephones, watches and calculators. LED's are brighter and more durable than any other man-made light producing invention. When LED's were first introduced to the public, they were too expensive and therefore were not used much.
Thursday, May 26, 2011
LED in Automobiles
How often do we see CFL, bulbs, tubelights anymore? What we see instead are beautiful little dots of lights. These are called LEDs, or Light Emitting Diodes. The reason that they are used so often nowadays is that they consume much less electricity and produce less heat, thus wasting less energy.
One industry which has witnessed a large rise in the usage of LEDs is the automobile industry. Many premium new cars now use LED headlamps instead of the more traditional halogens or xenons. These are easier on the eyes on other road users, and do not blind them, unlike halogens on high beam. Also they lend a certain aesthetic appeal to the vehicle if implemented properly. The trend was started by Audi, but now has been adopted by many major manufacturers.
Tuesday, May 24, 2011
Organic Light Emitting Diodes
OLED, a solid-state device composed of thin films of organic molecules, creates light with the application of electricity. They provide brighter, crisper displays on electronic devices and use less power than conventional LED’S used today. This technology is based on a revolutionary discovery that light-emitting, fast switching diodes could be made from polymers as well as from semiconductors. Organic LED screens emit their own light, eliminating the need for back lighting and allowing designers to develop slimmer and more power efficient monitors. Organic LED's are a state-of-the-art discovery and its implementations can go onto bringing about slimmer, flexible and energy efficient gadgets.
Friday, March 18, 2011
Understanding Led Lighting
Thursday, March 3, 2011
LED Lighting: A Primer on What LED Is
When turning on an LED, the electrons within get back together with the electron holes in whatever device they are part of, and this action kicks out energy in what is known as photons. This entire process is named electroluminescence. The color of the LED is based upon how much energy gap present in its semiconductor material, reliant upon the energy amount kicked out by the photon.
The average size of most LEDs is less than a millimeter squared, and introducing other optical components allow for multiple shapes and sizes, by playing around with its radiation pattern. This gives the LED lighting an advantage over its cousin, the incandescent light. Some advantages are that they use up less energy, they last longer, they are more sturdy, they can be made in a smaller size, and they are more reliable. Quite a list of achievements. The downside is that if you want to light up an entire room using LEDs, you are going to see a sizeable chunk of change pass hands. Not only this, but their currents and heat management must be more precise in their layout than fluorescent or incandescent lighting of similar lighting output.
You see LEDs in many applications these days, from aviation and car lighting, but also in traffic lights. With its small sized capabilities and other positive traits (narrow bandwith, switching speeds and reliability), LEDs are responsible for new video displays and advances in communications technology. Infrared LEDs are seen in remote controls for TVs, DVD players and other appliances. LED is everywhere.
LED: A Long Road to Modern LED Development
In 1927, Oleg Vladimirovich Losev out of Russia created the first official LED. His country, plus the scientists in Germany and England, shared the information, but nothing was really done with the new technology until Rubin Brownstein of RCA discovered infrared emissions from a conductor alloy called gallium arsenide in 1955.
Moving ahead to 1961, and America joins the development history when Texas Instruments scientists Robert Biard and Gary Pittman discovered gallium arsenide let off radiation in infrared when electricity was introduced to it. This LED to the infrared LED patent.
Red LED had its first practical use a year later when GE employee Nick Holonyak Jr put it to use. Ten years later, Holonyak's grad student, M. George Craford, invented the first yellow LED and enhanced the red's and orange-red's brightness aspect to ten times more powerful than a decade earlier. Four years after that, T.P. Pearsall developed the high-efficiency, high-bright LEDs used in fiber optics. This changed the face of telecommunications permanently.
The cost of both infrared and visible LEDs were through the roof until around 1968, so these expensive units weren't developed for practical use. Monsanto stepped in to develop mass-produced visible LEDS, with gallium arsenide phosphide in indicator lights. Hewlett Packard came next, bringing LEDs to the general market in '68. They started by using the gallium arsenide phosphide coming directly from Monsanto, and began commercial life in HP's calculators.
The 70s brought on inexpensive LEDs, thanks to Fairchild Optoelectronics, which produced them at a cost of less than five cents a unit. This opened the door to further develop and use LEDs in practical daily usage.
LEDs: The Practical Uses of Light-Emitted Diodes
These early, commercial use, LEDs were read, and had barely enough luminosity to be used as indicator lights, like in the above mentioned devices. There was no thought to lighting up a room or large area back then. The handheld calculator's readout screen were so tiny that little plastic "magnifier lenses" had to be placed over these early LEDs so they could be seen more clearly. Along the way, more colors were introduced, and a great many more appliances and devices benefited.
Along with the advancement in LED technology came an increase in the lighting capabilities. These little lights were no longer being considered for just indicators on readout screens in electronic devices. More and more, as light output increased, and efficiency and reliability grew more stable, the practical use of LEDs entered the lighting arena, where their high power white lights led the way to more practical and cost-effective illumination uses.
Coming commonly in sizes around 3mm and 5mm packages, heat became an issue as power output rose. So, in order to handle reliability, heat had to be trimmed down. This led to intricate packages that allowed for better heat dissipation. Looking back and comparing those first generation LEDs with today's high powered LEDs, you'd not recognize them as being related to each other. Their practical use has come a long way.
LEDs Are Lighting Up A Whole New World
In 2007, the entire village of Torraca, Italy converted all of its street lights and outside lightings to an LED lamp style. This led to massive savings in cost and energy output. In aviation, LED lamps have found their way not only throughout the airports, and along runways, but on their airplanes as well. The Airbus A320 Enhanced has been using LED only lighting since 2007. Boeing is following suit, converting to all LED lighting on their 787s. You'll see LED lamps in airport interiors and exteriors, and on heliports. Out on the runway, the lights are LED, including the center line, edge and taxiway lights. Guidance signage and obstruction lights are converted to LED lamps.
In the consumer market, advances in television manufacturing has led to the integration of LED lighting in LCD TVs, and laptop displays have benefited from this backlighting technology. DLP projectors also contain LED lamps. Color television has increased value by almost have with the introduction of RGB LED lighting. LED lamps have led to the rush of flat screens for television and computer monitors.
LEDs and Some Real World Applications
These days you will find LED lighting up stadiums at sporting events, dynamic billboard signage, at train, bus and airport stations, including on the planes, trains and automobiles themselves. Single color lighting is used in traffic signals, emergency vehicle lighting, navigation lights on ships and planes, even Christmas lighting. Yellow and red LEDs are useful applications in areas where night vision is critical, such as in the cockpit of airplanes, on board ships, and within submarines. Observatories also benefit from these low heat, low energy light sources.
In the automotive industry, LED applications have found their way into the brake lights, turn signals and marker lights. Because LED has a faster switching time, they have actually increased automotive safety, by lighting up faster than the old incandescent styles, thereby increasing the reaction time by as much as one car length. There are even some manufacturers who are introducing LEDs into the headlamps, producing a thinner, more pleasing light beam
You'll find, because the low output LEDs are so inexpensive to produce, that growing popularity has increased in items that don't have a long shelf life, like glowsticks and things at concerts and event, and the photonic textile known as Lumalive. There is even a movement known as LED art, where artists use LEDs in their creative pieces.