How Are LED Light Bulbs Made - Part 2

Let's take a look at the manufacturing steps for typical LED light bulbs meant to replace a standard incandescent bulb with an Edison Screw. 

You will see that it is a very different process from the highly automated processes used to manufacture our familiar incandescent bulbs. 

And, despite what you might imagine, people are still very much a necessary part of manufacturing process, and not just for testing and Quality Assurance either.

Once the larger sheets of LED circuit boards have passed through a solder reflow oven (a hot air furnace that melts the solder paste), they are broken up into the individual small circuit boards and power wires manually soldered on.

The small power supply housed in the body of the light bulb goes through a similar process, or may be delivered complete from another factory. 

In either case, the manufacturing steps are the same; first the PCB passes through SMT lines, then it goes to a manual dual in-line package (DIP) assembly line where a long row of factory workers add one component at a time. 

DIP refers to the two parallel rows of leads projecting from the sides of the package. DIP components include all integrated chips and chip sockets.

While LED lights burn several times longer than incandescent or CFLs and require less than half the energy, they need some form of passive heatsink keep the high-power LEDs from overheating. 

The LED circuit board, which is made from 1.6-2mm thick aluminum, will conduct the heat from the dozen or so LED elements to the metal heatsink frame and thus keep temperatures in check. 

Aluminum-backed PCBs are sometimes called "metal core printed circuit boards," and though made of a conductive material the white coating is electrically isolating. The aluminum PCB is screwed in place within the heatsink which forms the lower half of the LED light bulb.

After this, the power connector board is fixed in place with adhesive. The small power supply converts 120/240V AC mains power to a lower voltage (12V or 24V), it fits in the cavity behind the aluminum PCB.

Next, the completed LED lighting bulb is sent to burn-in testing and quality control. The burn-in test typically lasts for 30 minutes. The completed light bulb is then powered up to see if it is working properly and burned in for 30 minutes. 

There is also a high-voltage leakage and breakdown test and power consumption and power factor test. Samples from the production run are tested for high-voltage leaks, power consumption, and power factor (efficiency).

The finished bulbs pass through one final crimping step as the metal socket base is crimped in place, are bar-coded and identified with lot numbers. 

External safety labels are applied and the bulb is inked with information, such as brand and model number. Finally, all that's left is to fix on the clear plastic LED cover which is glued in place.

After a final check to make sure all the different parts of the LED lights are tight, then it is packed into individual boxes, and bulbs are shipped out.

So, if you have wondered why LED light bulbs are so expensive today, this explanation of how they are manufactured and how that compares to the manufacture of traditional light bulbs should help. 

However, it also reveals why the cost will fall pretty dramatically over the next few years.

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How Are LED Light Bulbs Made - Part 1

To understand just how revolutionary LED light bulbs are as well as why they are still expensive, it is instructive to look at how they are manufactured and to compare this to the manufacture of incandescent light bulbs. 

This article explores how incandescent light bulbs are made and then contrasts that process with a description of the typical manufacturing process for LED lighting bulbs.

Initially produced by hand, light bulb manufacturing is now almost entirely automated. First, the filament is manufactured using a process known as drawing, in which tungsten is mixed with a binder material and pulled through a die (a shaped orifice) into a fine wire. 

Next, the wire is wound around a metal bar called a mandrel in order to mold it into its proper coiled shape, and then it is heated in a process known as annealing, softening the wire and makes its structure more uniform..

Secondly, the coiled filament is attached to the lead-in wires. The lead-in wires have hooks at their ends which are either pressed over the end of the filament or, in larger bulbs, spot-welded.

Thirdly, the glass bulbs or casings are produced using a ribbon machine. After heating in a furnace, a continuous ribbon of glass moves along a conveyor belt. Precisely aligned air nozzles blow the glass through holes in the conveyor belt into molds, creating the casings.

Fourthly, the base of the bulb is also constructed using molds. It is made with indentations in the shape of a screw so that it can easily fit into the socket of a light fixture.

Fifthly, once the filament, base, and bulb are made, they are fitted together by machines. First, the filament is mounted to the stem assembly, with its ends clamped to the two lead-in wires. 

Next, the air inside the bulb is evacuated, and the casing is filled with the argon and nitrogen mixture.

The computer industry is well suited to manufacture LED lighting bulbs. The process isn't a whole lot different than making a computer motherboard. The companies making the LEDs themselves are generally not in the lighting business. 

LED lamps themselves are expensive in part because it takes a number of LEDs to get wide-area illumination instead of a narrow beam, and the assembly cost adds to the overall price. 

In addition to this, the assemblies consisting of arrays of LEDs create more opportunities for product defects.

A LED light bulb consists of four essential components: an LED circuit board, a heat sink, a power supply, and a shell. The lights start out as bare printed circuit boards (PCB) and high luminance LED elements arrive from separate factories which specialize in making those components. 

LED elements themselves create a bit of heat, so the PCB used in lighting fixtures is special. Instead of the standard non-conductive sandwich of epoxy and fiberglass, the circuit board is laid out on a thin sheet of aluminum which acts as a heat sink.

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LED Light Tubes Can Save You Some Money

LED light tubes are one of the ways that you can abide by EPA recommendations for energy savings. 

One of the ways that the EPA recommends to increase the efficiency of your home, business, or other buildings, is to retrofit your entire lighting system.

However, this is not possible in many homes or budgets. With the use of LED light bulbs, the retrofit can be much cheaper and much easier.

It is estimated that the lighting in your home uses about 20% of your entire energy consumption. If you can bring this down to a lower level you are able to save on your yearly budget. 

Many people feel that they can not possibly cut down on their lights as they need a certain amount in order to do work around the home or office. However, with better design you can use less wattage and still see clearly.

LED tube lights give off a bright light from the 12 LED lighting bulbs housed within them. Instead of doing a complete retrofit of your light receptacles and wiring, simply install some tube lights for your lighting needs.

The LED tube retrofit is not only for the energy, or the money, savings. It is also for the health of the people within your home or within your office buildings. 

The light that a building has will directly affect the mood, the comfort, the stress, the health and safety of the people who are there. 

With harsh lighting people are more likely to suffer health problems. The soft lighting of the LED light bulbs contributes to a healthier lifestyle for everyone within the home.

While the LED tube light is not a main lighting feature, it is a great way to retrofit your home's lighting system in many areas where harsh lighting is not needed. 

This might be in the closet. Or, you may place the LED lights in a half bathroom, or in a mud room entrance way. Larger LED lighting bulbs can be found in kitchens, in bedrooms, and in garages.

Retrofitting your home, or parts of your home, with new these type of lighting will help you not only to save money, but also see better health results. 

In many instances, the retrofit is made simple by installing a tube light. Your savings are not only in the lights, but also in cooling costs. Since LED light tubes do not give off heat, there is no need for excessive cooling.

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Why Choose LED Flood Lights?

Most often the choice of lights for places like great halls, stadiums and theaters are LED flood lights as they give off the brightest of light and light up the biggest of areas. 

Also, these LED light bulbs are very economical and energy efficient They do last for a very long time and will not take as much maintenance which will be ease of mind.

As such, if you are wondering why you should purchase these flood lights the very first reason should be that they provide high intensity lighting to light up even the darkest of places. 

These LEDs are energy efficient over eight times more efficient than normal conventional lights and they do not need a lot of energy to be able to produce the necessary light. 

As they require less electricity you will find them very economical and the best thing yet is that they don't require any maintenance. 

LED lighting bulbs are known for their quick reaction and will light up instantly which is one of the reasons why they use them in places like theaters.

Not only are these LED flood lighting bulbs efficient, they are also quite decorative. They give off a colorful light which is very eye appealing. 

They also can be used in order to focus on one particular thing in one certain direction such as highlighting landmarks at night. 

Once set up you don't have to worry about breakage because they're not fragile and are quite resistant to external shocks which is a feature that makes them durable.

As such, they are often used for the outdoors without worry about breakage or damage. They are also known to not heat up too much and as such do not give off great amounts of heat. 

Most LED lights are also eco friendly because they don't eat up too much energy and come fitted with a diode which doesn't emit any gases. Once they do have to be changed they can be gotten rid of without harming the environment.

Do remember that they will save you money in the long term and you we will not have to constantly maintain them. 

Since they are also very durable you won't have to worry if they will be set up in an area where they can come in touch with any kind of equipment because the can withstand bumping and dropping. 

As such, it makes a lot of sense to make the right choice and choose LED flood lights you will be glad that you did.

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Start Using Brighter LED Flood Lights At Reduced Cost

LED flood lights have evolved over the years and are becoming more and more prominent in terms of use both in the residential and industrial sectors for lighting purposes. 

There are many advantages of LEDs which have benefited the lighting industry greatly over the last few years, and the versatility of these lights do make them very useful for various lighting purposes.

LED flood light fixtures are now getting more popular as they are being used not only in homes, but also in commercial and industrial locations where there is a need for a bright, steady stream of light for long durations. 

The various benefits of the LEDs make it possible for utilization in outdoor LED flood lights.

1) With LED lighting products, you receive extra illumination minus the extra consumption cost, a fact which is made possible by the extremely high efficiency LEDs. 

These lights are super efficient and they are approximately 80% efficient in converting electricity into light energy. Conventional bulbs and lights pale in comparison, as their efficiency levels are around the 20% mark. 

These LED lights also need less energy to light them up and there are no metal filaments to heat us as opposed to conventional bulbs that use the filament-heating concept to create light

2) There will be less heat generated when we use LEDs, as such making them much more comfortable to have around you. 

As they are highly efficient levels in transforming electricity to light energy, only a little amount is converted to heat energy.

This means that you do not feel hot when you are close to these lights. And it also means that you contribute less towards global warming, as such LEDs can be considered environmentally-friendly lights

3) By using LED lighting bulbs, and stand to save substantially in terms of electricity bills. You could probably recoup up to 70 to 80 percent of your lighting bills simply by switching to these type of lights. 

Well, the initial investment may be considerably higher, however, when you consider that you are using them for your flood lights, your return-on-investment (ROI) would be barely a few months. 

And you could then save on electricity for the rest of your lights' lifespan! And when you consider that the cost of electricity rises almost every year, you are all-set for even more savings in the future

4) You also save in terms of maintenance costs, as LED flood light is highly durable items that can last for really long durations. The average lifespan for an LED is approximately eleven years, and most conventional bulbs last half that duration! 

Save on replacement costs when you opt for these LED lights, and you can probably even forget about the maintenance factor once you switch to LEDs!

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What Are The Benefits Of LED Tube Lighting?

What about LED tube lighting?  Most people including scientists and researchers are looking for ways to improve the environment. They have been attempting to create an alternative to the traditional tube lighting. 

This lighting is now being replaced with LED light tubes which is more cost effective and also very environmentally friendly. The use of fluorescent lamps have grown in the last few years to include homes and offices. 

This is because they are more cost effective than incandescent bulbs. They also give off better light than normal light bulbs.

But there are some problems with fluorescent tube lighting. The ballast and plugs for this type of lighting must be wired into a home or office. 

Once installed it is very difficult to replace the lighting because of the ballast and plugs that are used for this tube lighting. The LED has been designed to be a drop-in replacement for the fluorescent bulb.

The LED 4ft tube does not contain mercury or toxic gases and it consumes less than 60% of the energy used by incandescent lamps. The fluorescent tubes use less than 14 to 24 W of energy. 

The lifespan of these tubes is between 50,000 and 100,000 hours and as such making them very cost effective and efficient.

When installing the LED lighting bulbs, there is no need for a ballast. This removes much of the effort that is required and placing and replacing the tubes. 

The operating temperature of this lighting is only 100 degrees making it possible to remove or replace the lighting when needed without waiting for it to cool down.

The light tubes are made using a long silicon substrate containing several LEDs. The LEDs are space out that the lighting is smooth and even across the two. 

This substrate is then encased in a glass tube which makes it ready to be installed. Since the tubes contain no chemicals or toxins and as such they can be disclosed as regular waste.

When selecting the correct LED lighting tubes for your home or office, you may need to consider the level of light that you require in that area. There are different levels of light available with these type of tubes which can generate a bright glow in a row, or give it a soft feel. 

Maintaining the environmental standards of the room will be very simple once you use the energy-efficient LED fluorescent lamps which have the level of light that you require.

Talking to an individual who has knowledge and expertise and the types of tube lighting available will be very helpful. 

This individual will be able to give you information and data about the advantages of switching from your fluorescent tube lighting to LED. The cost savings over the long term are quite significant when the LED tube lighting is used.

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The Color And Style Of LED Light Tubes

LED light tubes are taking over in many instances where there was a traditional style light before. There are many reasons why these tube lights are becoming the preferred type of light with suppliers and consumers alike. 

The LED lighting bulbs can be in small bulbs or in long tubes that can be strung together for an amazing display. And these tubes are becoming popular as they have various great advantages which meet several needs and desires.

One of the advantages to using LED tube lighting is that they can be colored. There are various different uses for colored LED lights. 

These colored light tubes are mostly seen in items like headlamps, marketing materials, and even a stage show for a DJ. Colors are not just limited to the primary colors, but with a wide range of options to choose from.

Another advantage of LED tube lighting bulbs is that they are quite easy to work with. Many lights are configured in a certain shape, length, or size. 

LED light tubes, sometimes called 'rope lights', have several diameters to choose from and can be bent along any type of corner.

These type of lights are used in different applications nowadays. They give business owners avenue from which to either sell their products or to enhance the atmosphere with colors, style and sights. 

As the tube lights are installed, they can continue to grow, or be shortened, if the need for the light changes. Through the versatility of the LED light tubes, people can now add their own design aspects to their favorite room, or even their outdoor sitting area.

Many business owners will use this type of light bulbs as a way to attract attention to a certain product or aspect of their building. This will definitely allow business owners to continually change the look of their building for further enhancement and enjoyment.

The best benefit to using an LED light tube is found within the bottom line. Changing from one type of light to another should assist you save money in the process. 

Traditional light tubes not only use more energy than these lights but they must also be replaced more often. LED lighting bulbs continue to shine for many years after they have been used.


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Comparison Between LED Light Bulbs And Compact Fluorescent

What about LED light bulbs and compact fluorescent bulbs?  In an effort to cut energy costs and "go green," many countries, including the United States, are either considering phasing out incandescent light bulbs or have already passed laws to ban them.

Many countries, including the United States, are either considering phasing out incandescent light bulbs or have already passed laws to ban them. As standard light bulbs go the way of the dinosaurs, consumers are left with just two viable alternatives, LED light bulbs and compact fluorescent light bulbs (CFLs).

As LEDs are extremely energy efficient and can tolerate temperature variances and turbulence - all while lasting a long time - the quest began in an effort to create light bulbs by clustering numerous LED's together. 

And it's worked. LED lighting bulbs are now being produced that boast exceptional energy efficiency. A 7-watt LED light bulb, for example, can now replace a 75-watt incandescent bulb. As you can guess, the potential savings in energy costs and greenhouse gasses is huge.

With claims that they can last up to 15 years and use 90% less energy than the traditional bulb, these bulbs seem to be a no-brainer at first glance. But problems are prominent and LED light bulbs currently come up short.

LED light bulbs are quite costly. In fact, most people balk at spending $35.00 to $125.00 for just one light bulb, even when it results in a notable reduction in energy bills. Considering most homes have 30-plus light bulbs and businesses have significantly more, switching to LEDs is simply not an affordable option.

LED lighting bulbs are not bright enough. While standard bulbs and CFLs illuminate light in all directions, the light from LED light bulbs is directed or focused, like a spotlight. 

While this works well for situations such as reading, work areas, and accent lighting, it results in unsatisfactory illumination for general lighting needs.

Their light output quickly degrades. Unlike incandescent bulbs, which release their heat, LEDs contain their heat, which causes their light quality to degrade.

Even though heat syncs are added to redirect the heat to a circuit board, issues with temperature overload are still frequent. Tests have shown a loss of 50% of light output in 6 months.

Due to their brightness, stability and attractive pricing (not much more than incandescent bulbs) CFL's are currently the better choice for most homes and businesses. However, if you decide to take LEDs for a test drive, here are some tips:

Start out by trying just one of these light bulbs. You have to take time research and read consumer feedback and reviews. Weigh the pros and the cons. 

Pay careful attention to warranties and guarantees from both the manufacturer and the store you buy from. Buy quality. Beware of the less expensive LED ones as they are often problematic.

As LED technology improves and the prices starts to reduce, LED light bulbs will be worth taking a second look at in the future. However for now, CFLs are clearly the better overall choice.

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What Are The Benefits Of Installing LED Flood Lights

Thinking of installing LED flood lights? If you are looking to lighten up your outdoor space or lawn area, you should definitely consider installing these LED lights. They offer an aesthetic lighting experience with environmentally friendly features.

Before describing the various advantages of LED flood lights, let us tell you what LED is. LED (Light Emitting Diode) is made up of semiconductor diodes that emit light. 

These solid state devices do not have moving parts or fragile glass components. They do not even have any mercury, toxic gases or filaments which are being used in conventional fluorescent light bulbs. 

As such, there is nothing to break, shatter or leak which can harm you or your environment.

We have now come to the various advantages of LED flood light fixtures. One of the benefits of using LED lights is their energy efficiency. They consume much less electricity than the traditional incandescent light bulbs leading to lower electricity bills. 

And also, it offers a long lifespan which is approximately 11 years for 12 hours a day. You may consider 50 incandescent bulbs for one LED approximately. As such, lower replacement costs and lesser e-waste to be dumped into landfills.

Another advantage of LED lighting bulbs is low heat production that is ultimately good for the environment and your plants, if these lights are installed in the garden area.

Apart from the energy conservation and environmental advantages, another benefit of using LED flood lights is the aesthetic appeal it adds to your property. Implanting right style of flood lights at the right place, you can make your outdoor area look as magnificent and beautiful as possible.

These type of lights are also being used inside the buildings in the form of LED lights. They are best to use in the bathroom, and living room, etc where you need to create a soothing ambiance and also places which do not need bright light to do eye-intensive work.

Other advantages include low maintenance cost, simple and flexible installation and very high efficiency. And also, LED flood light fixtures doenot cause eye fatigue and helps protect eye health.

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What Are LED Commercial Flood Light

What about LED commercial flood light? There are three kinds of lighting commonly employed in most buildings: incandescent lighting, compact fluorescent lights, and LED lights. 

Incandescent lighting is the oldest of the three and, at this point, the most commonly used.

Compact fluorescent arrived on the scene after that, with many improvements and in fact they proved to be much more efficient than incandescent light bulbs. 

LED lights, or light emitting diodes, were next and blew incandescent and compact fluorescent lighting out of the water. All three differ in how they utilize electricity and direct current, how much they cost, and how much maintenance they will need. 

Whether buying a commercial LED flood light or one simple incandescent bulb for a desk lamp, it's important to know what you are buying and what it entails.

Incandescent light bulbs have not changed much since They consist of a simple glass shape, usually molded while hot in a process called glass blowing, and have a coil of tungsten wire on the inside. 

That tungsten wire absorbs electricity when you turn the switch on, closing the circuit. The wire glows red hot, and releases energy as both heat and light. 

As the manner in which current is used in an incandescent light bulb, as well as its archaic nature, they happen to be incredibly inefficient. 

Incandescent light bulbs release about ninety percent of their energy as heat, using only ten percent of it as visible light. As a result, it also burn out more frequently and must be replaced more often.

Compact fluorescent lights are composed of a mixture of argon and mercury vapors, housed in a spiral shaped tube, coated on the inside with fluorescent coating. 

When the vapors are energized, their atoms get excited and jump to the next level. As such, it causes a release of ultraviolet radiation, that is then absorbed by the fluorescent coating. 

That fluorescent coating converts the ultraviolet light to visible light, which can then be used to light an entire room or building! Fluorescent lights are more efficient, and give off less heat than traditional lights, but they are not inherently perfect.

LED light consists of a diode and a semiconductor that emits light. The diode allows current to travel in only one direction, and the semiconductor determines the color of the light that is released. 

Due to the nature by which it use the electricity sent to them, they are about be seventy-five percent more efficient as compared to candescent lights and twenty-five percent more efficient than compact fluorescent light bulbs. 

This also results in this type of lights lasting a lot longer than other types of lighting for the sheer fact that they don't "burn out" as often.

Although the initial cost of LED flood lighting bulb is a bit expensive, especially if you compare to traditional lights being only a few dollars at a grocery store, they turn up to be much cheaper over time. 

Some business owners are giving discounts for LED lighting bulbs, while none are available for incandescents and just a few for compact fluorescent tubes. 

And the fact that they use energy more efficiently will significantly reduce bills, even when purchasing a commercial LED flood light.

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Why LED Flood Lights Are The Best Lighting Alternative

LED flood lights are well-known with homeowners for having a long life span, being an energy saver, and costing less compared to other products. 

They are compatible with interior and exterior installation. In fact, they are capable of providing adequate light to houses, gardens and commercial companies.

LED lighting bulbs offer a superb combination of radiance and luster as compared to traditional halogen light bulbs. They have diodes that permits for optimum brightness with little electrical requirement. 

This is the main reason why there are a lot of individuals that love it compared with other choices in the industry.

As these light bulbs are slightly more expensive than traditional fixtures made from mercury, they have various benefits to offset the expense. 

Depending on the needs of customers, they can be acquired in low and high electrical types with the option of additional mechanical improvements.

Since the debut of the LED light bulbs in 1965, their looks and features changed a few times. In fact, anyone can buy bulbs in different designs and sizes. 

The landscaping industry in the United States and the United Kingdom highlights the best features of the LEDs by placing them in hard to reach locations.

It assists scale back on the electrical component and impact on the environment. They can also function as lighting materials for gatherings like corporate parties, birthdays, camping and other momentous occasions.

The motion detection feature of the newest LEDs offered by lighting stores has changed rapidly over the past ten years. 

It is created with enhanced technology which offers people assistance in keeping an eye on any movements outside of their residence or business.

The good hing about installing this kind of light inside is that it does bring down the room temperature to a tolerable level. They do not produce any dangerous chemical and heat emissions.

A traditional incandescent bulb lasts for one thousand hours while LED lasts ten times more than that amount. LED light bulbs also possess considerable resistance to extreme changes in temperature and blunt force. 

With these technological changes, customers have the assurance of having superb fixtures and the peace of mind that the lights would not suddenly fall-off.

If you have no prior experience in installing LED flood light, you do not need to worry as installation is quite easy as most manufacturers offer an instruction manual with the product. 

They do not need to employ any technician to do the job, saving professional fee for other important financial concerns.

For more information on Ai LED flood lights, pls visit Ai LED light bulbs 

How To Use LED Fluorescent Lamps

LEDs or Light emitting diode in recent years gained considerable prominence as awareness and concerns about environment increased. LED fluorescent lamps are made up of a number of semiconductor diodes. 

They have now risen in importance and today we heavily depend on them for a majority of modern day electronic gadgets which we can think of.

LED lighting bulbs are tiny bulbs which can easily fit in an electrical circuit but unlike conventional bulbs they do not have filament tube, their illumination solely depends on the movement of electrons through the semi-conductor medium. 

This enables them to last much longer and be much more efficient than the traditional bulbs. Today even TVs use LED diodes, as such making them slimmer and help deliver a better picture quality.

In spite of these significant advantages LED light tubes still have to play a second fiddle to incandescent and fluorescent bulbs, because of the price factor. 

As such, by proper and intelligent use of lights, you can in fact reduce the high costs involved in purchase of LEDs.

Install LEDs in inaccessible light fixtures:

The benefit of LEDs is that they last as long as 10 years which is significantly longer than their incandescent counterparts. This makes them ideal in very high ceiling light fixtures, recessed lighting and even hanging pendant lamps.

LED lighting in frequently used areas:

It makes sense to install your LED lighting bulbs in this area, simply because usage of energy efficient bulbs will result in a huge reduction in your electricity bill and since they last long, the return on investment will also be eventually high.

Ideal for use in task lighting:

It is true that LEDs with their sharp light features lack the warmth of the incandescent bulbs. As such, this makes LEDs useful in important tasks as they reduce strain on your eyes by giving ample light, it could be installed in places like the kitchen, or your work desk.

Replace Floodlights with LEDs:

Halogen bulbs have for far too long occupied an important position in outdoor lighting, as such they burn out quickly and release a lot of heat. 

LED ones can thus be good counter to them because they consume less electricity and give ample amount of light without producing too much of heat.

Garage Lighting:

Garages are ideal for installing LED light tubes. Traditionally, halogen or incandescent bulbs have been used in lighting up a garage. 

However, garage being a confined space the halogen bulbs cause too much heat and traditional light bulbs insufficiently illuminate the garage, on the other hand, LEDs remove both these problems by emitting ample amount of light without producing too much heat.

Integrate with computer control:

There are energy management systems which efficiently manage electric consumption and the use of LED fluorescent lamp makes it easy for these systems to control and manage electricity usage.

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The Facts About LED Downlight Bulbs

LED downlight bulbs are not only the wave of the future, but also the efficiency wave for saving you some money. And like most things of value, they are quite expensive upfront. 

As such, it is in your best interest to know exactly which of the available LED downlight bulbs will work in the application you are thinking of applying.

You can begin by deciding if you need a downlight which will dim or not. Dimmable lights are more costly and might not be exactly what you want. LED dimmable lights do not act like incandescent or even fluorescent lights.

They will maximize the light at the top end without difficulty. What is different is the low end of the dimmer switch. It will turn off at about twenty five percent of power. 

It will not dim as much as an incandescent light bulb. You can now choose to dim without being disappointed by the limitations.

LED lighting bulbs require a bit more depth but most bulbs can be modified to accept them. There are cans that are compatible without modification. 

Usually you can find a chart which lists compatibility but do not rely on them. Only the electrician can reliably determine compatibility.

There are different light bulbs available in downlights. You can just replace the existing bulbs with these LED lighting bulbs if the bases are compatible. You can also get LEDs specifically made for ceiling fans.

Definitely, you will save money on electricity by using LED lights. This is the reason you need to view LEDs as an investment. Due to their long life, you will not be buying LEDs in the same manner you would buy incandescent or fluorescent bulbs.

If you know what application you want to use your LED downlight bulbs for, will definitely prepare you to ask the questions which matter. 

You have to choose between straight on/off or dimmable bulbs. There are differences between new construction and replacement applications.

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LED Fluorescent Tubes With Energy Savings

What about LED fluorescent tubes?  The disadvantage to this type of lighting is that each light tube contains a small amount of mercury vapour, a toxic heavy metal. This can provide not just a health risk whenever the light tubes are broken, but can also accumulate in landfills before entering the water table or causing further pollution.

The fluorescent light bulbs use electricity to excite mercury vapour inside the glass tube and always need a ballast to regulate the flow of power through the lamp. A starter is in the circuit to heat the contact ends of the light tubes which ionizes the mercury vapour creating the UV lights. The inside of the light tube is coated with a phosphor material which glows whenever exposed to the UV light produced by the mercury inside the fluorescent light tube.

Recent developments in SMD LED technology have now showed that LED fluorescent tubes are presently a reality. They are a more efficient form of lighting product consisting of small chips of conductive material which release light when a current is applied to them. They contain no filaments and can produce up to 25 times more light per watt than traditional light bulbs.

LED lighting bulbs need lesser energy in their manufacture than fluorescent light tubes, and only 3% of the energy they will consume over their life expectancy is consumed in their manufacture, and they are also produced from non toxic materials. The light tubes are made from polycarbonate, a material that is more robust and durable than glass, so accidents will not need special cleanup procedures.

Although this technology is more costly than existing fluorescent lights at face value, their lifespan is about 10 times as long, while consuming 65% lesser energy. In most general purpose lighting applications the additional cost of the LED technology will more than pay for itself within the first 18 months.

The disadvantage is that the tighter beam angle of the LED lighting bulb products, while some fluorescent tubes are manufactured from a polycarbonate light diffusing material, while others may have a narrow focus which are not be suitable for replacing existing light tubes. 

Many fluorescent fixtures are in fact designed with reflectors which assist to distribute the light from the light tubes evenly in their environment. This is a issue very similar to what was faced whenever compact fluorescent light tubes began replacing incandescent lighting bulbs, this is a problem which will soon be overcome and allow faster adoption of this emerging lighting technology.


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