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OLED’s – The Next Generation of LED’s

Florida OLED’s – The Next Generation of LED’s

What are the differences of OLED Lighting and LED Lighting ? OLEDs are organic LEDs, which means that their key building blocks are organic (i.e., carbon-based) materials. Unlike LEDs, which are small-point light sources, OLEDs are made in sheets that are diffuse-area light sources. Although OLED technology is developing rapidly, it’s less mature than LED technology and is still some years away from becoming a practical source of general illumination. Virtually all OLED products on the market today are used for small-area displays, such as those in smartphones, vehicular audio systems, digital cameras, and other consumer electronics. Structure of OLEDs An OLED is a solid-state device consisting of a thin, carbon-based semiconductor layer that emits light when electricity is applied by adjacent electrodes. In order for light to escape from the device, at least one of the electrodes must be transparent. The intensity of the light emitted is controlled by the amount of electric current applied by the electrodes, and the light’s color is determined by the type of emissive material used. To create white light, most devices use red, green, and blue emitters that can be arranged in several configurations, as illustrated below.     The Advantages of OLEDs The energy-saving potential of OLEDs is similar to that of LEDs, but the two technologies differ in a number of ways. For one thing, whereas LEDs are concentrated sources of bright light, OLEDs can be configured as larger-area, more diffuse light sources, which may be more practical for general ambient lighting […]

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Test your LED Lighting knowledge –

Florida Test your LED Lighting knowledge –

  Test your knowledge on LED Lighting! LED’s are also referred to as “Solid State Lighting“ or SSL Lighting   1) A light-emitting diode, or LED, is a type of solid-state lighting that uses a semiconductor to convert electricity into light. Today’s LED bulbs can be six-seven times more energy efficient than conventional incandescent lights and cut energy use by more than 80 percent. 2) Good-quality LED bulbs can have a useful life of 25,000 hours or more — meaning they can last more than 25 times longer than traditional light bulbs. That is a life of more than three years if run 24 hours a day, seven days a week. 3) Unlike incandescent light bulbs — which release 90 percent of their energy as heat — LEDs use energy far more efficiently with little wasted heat. 4) From traffic lights and vehicle brake lights to TVs and display cases, LEDs are used in a wide range of applications because of their unique characteristics, which include compact size, ease of maintenance, resistance to breakage, and the ability to focus the light in a single direction instead of having it go every which way. 5) LEDs contain no mercury, and a recent Energy Department study determined that LEDs have a much smaller environmental impact than incandescent bulbs. They also have an edge over compact fluorescent lights (CFLs) that’s expected to grow over the next few years as LED technology continues its steady improvement. 6) Since the Energy Department started funding solid-state […]

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Ex-Tesla and NASA Engineers Make a Light Bulb That’s Smarter Than You

Florida Ex-Tesla and NASA Engineers Make a Light Bulb That’s Smarter Than You

Sometime in early 2013, one of the delivery operations engineers at Tesla leaned back in his chair and took a look around the Silicon Valley office. “It was a sunny day, and I looked up and I thought, ‘Why are these lights on with full power, when full sunlight is coming through the window?’” says Neil Joseph. An online search for a better, responsive bulb only yielded a few expensive commercial products. That October, Joseph (who says even as a kid, his two fascinations were lights and cars) left Tesla to start his own lighting company. The company is Stack, and its first product is Alba (alba is Italian for ‘sunrise’). The Alba bulbs are designed to work autonomously, both by adjusting light output based on sunlight and by learning and adapting to its owners’ household habits. As Joseph sees it, it’s the first in a new wave of lighting products to follow the Philips Hue and the LIFX. Those bulbs are smarter than the usual drugstore variety—they can sync with a smartphone app, and even keep rhythm with a song—but they aren’t intelligent by the same standards as the Nest Thermostat or even a tool like Google Maps. In short: They’re connected, but not responsive. More Than a Gimmick Embedded in Alba’s light diodes are sensors for motion, occupancy, and ambient light. This meant cofounder Jovi Gacusan, who worked on sensors at NASA, had to create a new core technology, because in order to work efficiently Alba has to […]

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How do plug-and-play T8s stack up against ballast-bypass LED lamps?

Florida How do plug-and-play T8s stack up against ballast-bypass LED lamps?

Published on: July 22, 2014 By Laura Peters Contributing Editor, LEDs Magazine and Illumination in Focus LAURA PETERS evaluates the photometric, electrical, and financial hurdles to retrofitting linear fluorescent lamps with LED-based tubes, including both plug-and-play products and tubes that require rewiring. In recent months, several manufacturers have introduced so-called plug-and-play LED linear lamps — fluorescent replacements that require no rewiring and simply snap into place (Fig. 1). These solutions are more expensive but easier to install than LED linear tubes that require removal of the ballast and direct connection to line voltage — a task best performed by a qualified electrician. However, both approaches have their pros and cons. And both approaches are significantly less expensive than replacing the whole fixture. FIG. 1. Installation of plug-and-play LED lamps such as these by Philips Lighting is as simple as replacing a bulb. We will review the performance and financial considerations associated with ballast-bypass and plug-and-play LED linear lamp installations for offices, schools, retail outlets, and hospitals. We will also discuss the electrical safety concerns that have been raised regarding LED linear lamps. Most importantly, the article will discuss the features to look for when considering LED linear lamp purchases.     Fluorescents versus LEDs: Then and now Philips estimates the current installed base of fluorescent tubes at 12 billion sockets globally. In 2010, the US Department of Energy (DOE) estimated there were nearly 1 billion fluorescent luminaires installed in the United States, 60% of which were T8s (tubular, 8/8- or […]

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By 2020, LEDs May Rival Incandescent Bulbs in Cost Without Rebates

Florida By 2020, LEDs May Rival Incandescent Bulbs in Cost Without Rebates

The EIA and DOE are both bullish on LED lighting, but they differ slightly in their projections. Price wars among various consumer light-emitting diodes (LEDs) have been going on for the past year. Soon the price competition will spread not only to compact fluorescents but also incandescents, which are being phased out due to energy efficiency regulations enacted in 2007. New data from the U.S. Energy Information Administration shows how far the cost of LEDs has fallen since 2010. The agency projects that the technology will approach price parity with CFLs and incandescent bulbs around the end of the decade. A 2012 report from the U.S. Department of Energy, however, forecasts that LEDs will make up only 36 percent of lumen-hour sales in the lighting market in 2020, a figure that is expected to grow to 74 percent by 2030. But the DOE has already revised its projections upward three times in the past five years, as it noted in a solid-state lighting report this January. The department now has a goal of 224 lumens per watt efficacy at $0.70 per thousand lumens by 2020 for warm white LED bulbs. EIA’s projections would suggest that this is too ambitious a goal to achieve by 2020 in terms of lumens per watt; its forecast is closer to 150 lumens per watt by 2020. Between now and 2020, utility rebates will continue to be an important driver for customers who are wary of spending more than they have to on light bulbs, even […]

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As LED Industry Evolves, China Elbows Ahead

Florida As LED Industry Evolves, China Elbows Ahead

China Elbows Ahead – NY Times GUANGZHOU, China — A year ago, China’s light-emitting diode industry seemed like a case study of industrial policy gone awry. Hundreds of factories built all over eastern China, often with lavish clean energy subsidies from state-owned banks and local governments, were operating at half capacity. The share prices of LED manufacturers were plunging. Now demand is surging, and the Chinese manufacturers suddenly find their factories running at full tilt, churning out LEDs faster and cheaper than global rivals. With a price war underway, the Chinese are taking share from top players in the United States, Europe and Japan, the industry pioneers that made crucial technological breakthroughs, and from Taiwan and South Korea, previously the leaders in low-priced LEDs. For some in the United States, the Chinese expansion has uncomfortable echoes of the solar panel and wind turbine industries, in which China went from a bit player to global leader through a combination of extensive government subsidies and low-interest loans from state-owned banks. “LED lighting could see itself become the next solar, wind or other future opportunity that the U.S. will have given away by failing to address Chinese industrial policies and unfairly traded products,” said Michael R. Wessel, a member of the U.S.-China Economic and Security Review Commission, a government advisory panel. Such industries have been at the center of increasing trade frictions between China and the United States. SolarWorld, a solar panel maker that complained to the American government about what it considered […]

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Light Ideas: Glowing Shelves

Florida Light Ideas: Glowing Shelves

When space is at a premium, wiring under cabinet and accent lighting can prove tricky. Here is an ingenious trick for illuminating a wall using shelves as a light source. This “glowing shelf” effect is easily achieved using LED strip and acrylic shelving. Aurora created these glowing shelves using ST224 in warm white. For extra pizazz, try using the color-changing LED strip ST224RGB. Step-by-step Regarding the shelves, it might be worth a trip to the hardware store to purchase acrylic material the same or greater thickness than the LED strip you use. Also, make sure the edges of the acrylic material are a matte finish to reduce glare. Step 1: Create a space in the wall that is the same thickness as your acrylic shelves and your LED strip. It should also be the same length as your shelves and strip. Step 2: With the light source shining outwards, install the LED strip into the space you have created. Step 3: Slide your acrylic shelves into the space you have created. Again, the edges should be matte to reduce glare. Step 4: Secure the acrylic shelves with metal hardware or another material, depending on the purpose of the shelves and if they’re weight-bearing. Step 5: Turn on the LED strip for a new wall light that truly multi-tasks! As always, consult with a licensed professional before undertaking any new lighting installation. Frontier Lighting would be glad to assist you with this wall mounted LED lighting idea, or any other lighting projects you may have.

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