Basic things to consider when choosing LED Flood Lights

Flood lights, also known as security lights, offer homeowners a more practical option to incorporating bright exterior lighting to their home exteriors without having to buy very expensive fixtures and numerous bulbs. By strategically installing flood lights, you not only extend the hours which you can use your porch, basketball hoop, or swimming pool, you also dissuade intruders as well as wild animals from entering your home.
 If you are in the process of selecting flood lights for your home, you might be overwhelmed by the wide range of options that are available to you. Having a clear idea of your lighting objective and a thorough knowledge of the various products in the market will enable you to choose the appropriate flood light for your home. Here are some things to consider when buying flood lights:
LED Flood Lights
If you are looking for the most cost efficient exterior security lighting option, go for light emitting diode or LED bulbs. They may cost a bit higher compared to CFLs and other bulb types, but the savings on your electricity bill and their relatively longer lifespan will prove that LEDs offer long term savings. These bulbs consume less energy compared to fluorescent bulbs and have a longer lifespan, lasting as long as 50,000 hours or 46 years, if used 3 hours a day and are kept in good condition. LEDs also produce maximum brightness instantly once the switch is turned on or the sensor is triggered, so there is no delay.
Location
When deciding where to install your flood lights, you will have to remember three things. First, the bulbs should point downward at a 22-degree angle so the flood lights shine brightly on the target without blinding anyone. Second, the light should not be pointed towards a neighboring home as this would not only annoy your neighbors, it can also be taken as an invasion of their privacy. And third, the flood lights should be mounted at least 9 feet from the ground so that it is kept out of reach and to prevent any potential hazards which may be caused by very hot bulbs when touched or tampered.
Motion Sensors
Flood lights with infrared sensors have a 180-degree range of motion, picking up on heat waves when someone or something within this range is in motion. Depending on the sensor, the light will remain active for 1 to 10 minutes and then shut off automatically. This is a great safety feature which also helps save energy in cases when the homeowner forgets to turn the lights off.
Dusk to Dawn Lights
If your primary concern is security, dusk to dawn lights are the best available option for you. These security flood lights automatically turn on once the sun begins to set and off again as the sun rises in the morning. If you do decide to utilize this type of flood lighting, you will need to be extra cautious and consult with your neighbors, making sure that an all-night light would not disturb them in any way.
Finish

Lastly, you will also need to take into consideration the aesthetic features of the flood lights that you will be purchasing. There are many different finishes available. Popular choices include copper, stainless steel, and colored lacquer on top of aluminum. The general rule of thumb is, pick a finish that matches the color or the style of the home.

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The incredible rise of the LED

While scientists discovered the phenomenon of electroluminescence — where a material gives off light when an electric current or field is passed through it — more than one hundred years ago, it wasn’t until the 1960s that LEDs as we know them today started to appear. However, 1960s LEDs were a far cry from the ones now used to light houses, streets, television screens, and mobile devices. In fact, it’s only really in the last ten years that LEDs have matured enough to underpin the wide-scale luminescent revolution now taking place. So how do LEDs work, and what’s the story of their rapid rise to prominence?

How LEDs work

LEDs work differently from incandescent or fluorescent lighting. Traditional incandescent lighting works by heating a material up to make it glow. Fluorescent lights use electrical current to make mercury vapor emit ultraviolet (UV) light, which in turn causes a layer of phosphor on the inside of the light tube to glow.

LEDs, on the other hand, contain a piece of semiconductor material made up of two distinct sides – one positive and one negative – known as a p-n junction. The positive side has “holes” in it that catch electrons as an electrical current is passed through the material. When the electrons are driven to fall into the holes, they release energy as light. The color of the light given off depends on the wavelength of energy the electrons release, which is determined by the materials the semiconductor is made of. As a result, the development of different colors of LED is closely tied to materials science and the development of semiconductors that enable ever-shorter wavelengths to be released in a very precise and controlled way.

Where to next?

LED technology has evolved incredibly fast over the last few decades, going from being the standby light on your television to the light behind the display itself. With Haitz’s law continuing to hold, expect to see better, brighter, and more affordable LEDs permeating into every corner of our lives. So the next time you buy a smartphone, computer, TV or bulb, think back to earlier versions that you’ve bought. Marvel at what an incredible difference LEDs have made to the size and power requirements of artificial light in a remarkably short space of time.

Feel free to leave any question, comments or suggestions in the comment section below. For more articles on new trends, latest news, installation tips in LED space, check our blog for weekly posts as well as our Facebook, Twitter, Google Plus, or LinkedIn. As always we here at Oorjam.com are willing to step up to the plate to answer your everyday lighting questions and challenges.

Oorjam Inc is a leading online retailer of LED technology and offering a Business Solutions service for suppliers and commercial clients. ​Oorjam, Commercial LED Lights Houston online LED suppliers for all lighting products delivers a wide range of LED lighting products like LED wall pack lights, flood lights, High and low bay series, canopy lights, LED Panels, Street lights, LED Tube Lights , Fidget spinner toys and LED Corn Bulbs. Contact us for affordable and quality LED products.

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Smart Bulbs Vs LED Bulbs

How energy efficient are led lights

LEDs can brighten a dimly lit house.
If your living space is short on light fixtures and lamps, you can use LEDs to brighten interiors by selecting a watt equivalency that’s higher than that of the old bulbs, says New Haven lighting designer Mark Loeffler. Many fixtures contain a warning not to use anything higher than a 60-watt bulb because the fixture can’t take the heat higher wattage bulbs generate, and it would therefore be a safety hazard. But there’s no problem using a 100-watt equivalent LED bulb, which is only about 17 watts and therefore well under the safety limit of a 60-watt maximum fixture. You get lower energy bills and also two times more light output (measured in lumens, also labeled on product packaging), possibly saving you from buying expensive new floor lamps or installing additional hard-wired fixtures (at $300 to $800 each).

LED bulbs come in a wide range of colors.

Take a look at the LED packaging to see the product's K ratings. K stands for Kelvin, a measure of “color temperature” (the color of light), and you can find bulbs anywhere from 2,700 to 6,500 Kelvin. In general, bulbs up to 3,000k produce warm (slightly yellow) light that’s relaxing and therefore ideal for general living spaces; bulbs from 3,200k to 4,500k are cool (white) light that’s perfect for workspaces such as kitchens, bathrooms, and garages; anything over 4,600k is considered daylight and is best used for outdoor and security lighting. Another measure of color quality is CRI—color rendering index—which indicates how accurate colors look in the light from the bulb. Make sure LEDs you buy have a CRI of 80 or higher.

What You Need to Know About LED Bulbs

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Are Smart Lights More Efficient Than Regular LEDs?

Looking at the plain numbers, smart bulbs aren't quite as efficient as the best 'dumb' Eco LEDs you can get on the market, but they're close. Philips' non-Wi-Fi enabled bulbs use 7.5 watts (a measure of energy usage) to produce 600 lumens (a measure of brightness), while the Hue bulbs draw around 8.5 watts for the same brightness. While they're far better than a traditional 50 watt lightbulb, they're still a tiny bit more of a drain than a regular LED.

Let's also have a look at LIFX — their standard bulb runs quite a bit brighter at 1100 lumens, needing to draw 11 watts to produce that brightness. Other comparable LED bulbs need around 12-14 watts for the same brightness, so the LIFX may in fact be more efficient than other LEDs, but at $US60 a bulb, it's a steep price to pay.

The other advantage of smart bulbs is, of course, the ability to control them remotely. This means that you can turn them off as long as your phone is nearby, whether someone has left the lights on while no one is home, or you just forgot to turn something off at the other end of your house. Smart lights are also dimmable — so if you don't need their full brightness, you can turn them down to consume less power.

So while smart lighting isn't necessarily any more efficient than non-connected LED bulbs, if the other benefits of the system outweigh the initial cost of buying them, they can be a worthwhile investment.

Oorjam Inc is a leading online retailer of LED technology and offering a Business Solutions service for suppliers and commercial clients. Oorjam, LED Lights Houston online LED suppliers for all lighting products delivers a wide range of LED lighting products like LED wall pack lights, flood lights, High and low bay series, canopy lights, LED Panels, Street lights, LED Tube Lights, Fidget spinner toys and LED Corn Bulbs. Contact us for affordable and quality LED products.


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Why you should switch to LED lights

Because of LED light bulbs savvy heat sink design LED bulbs remain cool to the touch.
Due to their efficient conversion of energy, LED bulbs create three times as much light as an incandescent, with only ten watts.
One LED bulb can last up to 50,000 hours that is the equivalent of leaving a light on permanently for three years.
Inefficient incandescent give off most of their energy as heat, and can reach an extraordinary 200 degree Celsius.
Despite pouring a whole 60 watts into an incandescent bulb, they are only capable of emitting 5% of their energy as light.
By the time you’ve replaced your first LED bulb, you will have exhausted a ridiculous 42 incandescent bulbs.
Due to the amount of energy you save using LED bulbs, and their ability to last up to 30 years, LED technology could end up saving you money.
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The Evolution of the Light Bulb

The light bulb has come full circle. More than 150 years ago, the incandescent light bulb transformed the way we live—extending the workday, opening the door for new businesses, and altering the way we design homes and commercial buildings. While the technology evolved over the years, the light bulb became an everyday item, fading into the technological background. Then came the introduction of smart lighting, a catalyst that has taken the technology to a level that Edison could never have imagined, piquing the imagination and fascination of consumers and engineers alike.
Lighting technology has helped to trigger unprecedented energy consumption and the inevitable development of a power infrastructure to support a growing range of services. Rising demand and the cost of energy has led lighting providers to constantly seek new ways of achieving greater energy efficiency. As a result, the market has become a patchwork quilt of lighting technologies, serving a shifting assortment of applications. An examination of each technology’s design, operating principles, strengths and weaknesses, and applications offers a glimpse of the role it may play in the future.
Incandescent Lighting
Perhaps the most common form of lighting until recently, incandescent bulbs produce light by passing electric current through a thin filament, which becomes white-hot, emitting light over 360 degrees. Perhaps the most common form of lighting in North America, the incandescent bulb has begun to fade from the lighting landscape, driven by its high energy consumption. Only its low price point has extended its market presence. Image source: GE Lighting Because of the light’s omnidirectional emission, the bulb must have reflectors to focus a large portion of the light on the desired area. Although the incandescent bulb’s lifespan is short—roughly 1,200 hours—the bulbs maintain their luminescence well throughout their operating life.
Incandescent bulbs provide a range of color temperatures, but the three primary options for consumers include soft white (measured at 2,700–3,000 degrees Kelvin), cool white (3,500 K–4,100 K) and daylight (5,000 K–6,500 K). Incandescent lights turn on almost instantly, and they are sensitive to voltage inputs, dimming as voltage is reduced. Incandescent dimming, however, greatly affects power consumption, operating life and color temperature.
The technology’s Achilles heel lies in its efficiency. An incandescent light bulb wastes 95% of the energy it generates, consuming four times more energy than a fluorescent alternative and six times more than LED bulbs. Incandescent source efficiency—the amount of light emitted from the bulb—measures about 10 lumens per watt, and its system efficiency—the amount of light that reaches the target area—is even lower. This inefficiency has led many parts of the world to pass legislation phasing out this type of lighting.
The technology’s slide toward extinction, however, may be reversed by recent design improvements that promise to make the incandescent bulb more efficient. Researchers at MIT have created a secondary structure around the incandescent filament made from a specially developed photonic crystal. The structure captures infrared energy and allows visible light to pass through. The scientists contend that the new design achieves an efficiency of 6.6 %—three times the efficiency of a standard bulb—and they think the bulb’s efficiency could be increased to 40%, which would surpass the performance of both LEDs and compact fluorescent lights (CFLs).

Oorjam Inc is a leading online retailer of LED technology and offering a Business Solutions service for suppliers and commercial clients. Oorjam, LED Lights Houston online LED suppliers for all lighting products delivers a wide range of LED lighting products like LED wall pack lights, flood lights, High and low bay series, canopy lights, LED Panels, Street lights, LED Tube Lights , Fidget spinner toys and LED Corn Bulbs. Contact us for affordable and quality LED products. 

Halogen Lamps
Closest in design to the incandescent light bulb, halogen lamps consist of tungsten filaments, enclosed in a quartz envelope filled with high-pressure halogen gases, such as iodine and bromine. The halogen lamp offers better energy efficiency than the incandescent bulb. Unfortunately the excessive heat generated by halogen lamps restricts the applications in which the technology can be used. Image source: GE Lighting These gases enable the lamp’s filament to heat to higher temperatures than incandescent bulbs. This causes the tungsten atoms to evaporate and combine with the halogen gas, triggering a chemical reaction that redeposits evaporated tungsten back onto the filament, increasing its life and maintaining the clarity of the envelope. This produces 12–22 lumens per watt and higher color temperature than incandescent lamps, with a lifespan of 1,000 hours.
However this technology has a number of shortcomings that must be considered when included in a design. Because the heat is concentrated on a smaller envelope surface and the surface is closer to the filament, halogen lamps get hotter than incandescent bulbs. The high temperature is essential to their operation, but it can pose burn and fire hazards. While halogen lamps offer slightly greater luminous efficacy than traditional incandescent lamps, their performance is still low compared with alternatives like fluorescent and LED lighting.
On the plus side, halogen lamps do not contain any mercury, and manufacturers like General Electric (GE) claim the lamps do not contain any materials that can be classified as hazardous waste. Also, the small size of halogen lamps permits designers to use the technology in compact optical systems for projectors and illumination. Perhaps the greatest advantage of halogen bulbs is the quality of lighting they provide.
Consequently halogen lamps are used in a variety of applications, including home and retail lighting, as well as automobile headlights. But even in these applications, halogen lighting’s days are numbered.
Fluorescent Lights
A high-efficiency light source, fluorescent lamps provide excellent illumination for areas where lighting is left on for prolonged periods of time, and for applications that do not require full brightness. Raising the bar for performance and energy efficiency, these lamps generate less heat than incandescent bulbs and convert electricity to light more efficiently, with luminous efficacy of 40–70 lumens per watt and life spans of 6,000–15,000 hours. Cost also works in favor of the technology. Fluorescent lighting offers consumers a nice balance between up-front cost and payback derived from energy savings.
To generate light, fluorescent bulbs pass electric current between tungsten electrodes on opposite sides of the lamp through low-pressure mercury vapor to produce ultraviolet (UV) energy. This energy excites phosphor materials coating the inside of the bulb, creating visible light.

Unlike many other light sources, fluorescent lights cannot receive electricity directly. Instead, they require ballasts to regulate the flow of current. The ballast provides the starting voltage and limits the current that passes through the lamp.
Intended to replace incandescent light bulbs, a variant design—CFLs—uses a curved or folded tube to fit into the space typically allotted for incandescent bulbs. Advances in phosphor formulations have improved the perceived color of the light emitted by CFLs. In fact, some sources see CFLs "soft white" as similar in color to standard incandescent lamps.
Despite all of these advantages, the light source suffers from significant disadvantages. All fluorescent lamps contain toxic mercury, which makes their disposal difficult. Also, the lamps take time to achieve full brightness, and their diffused light falls short when a focused beam is required. In addition, fluorescent lights are sensitive to ambient temperature. As a result, their light output can decline in cold conditions. Compact fluorescent lamps use a curved or folded tube to fit into the space typically allotted for incandescent bulbs. While advances in phosphor formulations have improved the perceived color of the light emitted by CFLs and significant energy efficiency has been achieved, the use of hazardous materials to produce the bulbs complicates disposal. Image source: Philips
Poorly designed ballasts also cause a number of problems. Fluorescent flicker can be irritating to users, and inferior ballasts can create radio interference that disturbs nearby electronics or cause fires if they overheat.
While fluorescent lamps provide excellent value for the money, their long-term prospects are not good.
Light-emitting Diodes
Light-emitting diodes, or LEDs, offer the highest luminous efficacy and lifespan of all residential and commercial lighting options. While they often come with the highest price tag, LEDs consume 75% less energy than incandescent bulbs and 40% less than fluorescent lighting. LEDs also outlive competing technologies, lasting 25 times longer than incandescent and halogen bulbs, and three times longer than most CFLs. In addition to energy efficiency, this lighting technology generates little heat and boasts robust construction, owing to the fact that it has no filament that can break.
Unlike other lighting options, LEDs are the offspring of the silicon revolution. Essentially LEDs are simply tiny light bulbs integrated into an electrical circuit that create light when electrons move through semiconductor material.
A two-lead semiconductor light source, an LED is a p–n junction diode, emitting light when activated by the flow of electrical current. When a voltage is applied to the leads, electrons recombine with electron holes within the device, releasing energy in the form of light (an effect called electroluminescence). The energy band gap of the semiconductor determines the color of the light, and LED manufacturers use integrated optical components to shape the bulb’s radiation pattern.
Often LEDs have a small footprint (some as little as 1 mm2). This makes the light source an attractive option for designers confronted with space constraints.
All in all, LEDs offer features that complement a wide variety of applications and enable a range of new features. Light-emitting diodes are poised to dominate the home and commercial markets, offering the highest luminous efficacy and lifespan of all other lighting options. Advances in the technology have improved light quality and design aesthetics. Image source: 

Why you should switch to LED Lights

Raising the IQ Quotient of Lighting Systems
While LED lamps set the bar for energy efficiency, developers of lighting technology saved the best for last with the introduction of “smart lighting.” While this term means different things to different people, common elements of all definitions include unprecedented levels of energy efficiency and convenience. This metamorphosis has been enabled by the addition of sensing and communications capabilities to lighting systems, introducing degrees of control and interactivity that traditional technology just cannot match.
Harnessing heat and motion sensors, smart lighting can decide when illumination is required, based on room occupancy. Light sensors can use natural lighting as a criterion for reducing man-made lighting. By leveraging multiple sensor streams, smart technology goes one step further, enabling bulbs and switches to determine when, where and how much illumination is required. This level of visibility and control opens the door for automated energy management that can make a real difference. Simply dimming a lamp 5% to 10% can positively affect power usage and help to prevent energy waste.
A number of smart LEDs also include wireless communications, such as Wi-Fi, Z-Wave and Zigbee. With this connectivity, consumers can control and adjust lighting remotely, using a smartphone or tablet.
The Lighting Revolution
All these advances in lighting promise to revolutionize the way we live and work. They will add an extra measure of convenience, reduce energy consumption, and even transform the basic light bulb into a design element. As impressive as these changes are, they are only just beginning.