Led Engin

April 2013

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April 18, 2013

LED Engin announces most compact and efficient tunable CRI 90 white LED for black body dimming from 3000K to 1800K

LuxiTune light engine is first to deliver warm color dimming in a compact single emitter, maintaining color quality and 3 SDCM consistency over dimming range and service life

San Jose, CA: April 18, 2013: LED Engin, Inc., a leader in high lumen density LED products, announces immediate availability of LuxiTune, the first intelligent, compact, single emitter light engine that delivers directional light with halogen-style dimming, hugging the black body curve from 3000K down to1800K. Luminous flux is 1100 lumens, equivalent to a 60W halogen lamp. Luminous efficacy is 63 lumens per Watt hot and including the secondary optic, far higher than that of rival products that utilize multiple emitters and reflectors. At full intensity, color rendering index (CRI) is 90 and LuxiTune maintains a CRI average of 85 and R9 red content of 70 as it dims. With a diameter of 50mm, LuxiTune makes it quick and easy to create a compact lighting fixture that works with standard 0-10V dimmers or via a DMX interface.

The LuxiTune light engine is comprised of a 12-die, compact single emitter with intelligent control circuit and complementary TIR optic. The die are matched to within 3 MacAdam ellipses (SDCM) and dimming tracks the black body curve to within three SDCM, producing consistent, natural light across the full dimming and CCT range. The unique, multi-layer ceramic substrate minimizes the package thermal resistance and provides an almost stress-free environment for the chips providing effective heat dissipation and maximum light emission. These features ensure that color point stability is maintained throughout the product's long service life. Optics are available in 24°, 32° and 45° beam angles. The lenses facilitate uniformity over angle, maximize lumens in the beam while minimizing glare, and produce a gentle roll-off profile at the beam edges.

President and CEO of LED Engin, David Tahmassebi, comments, "Our customers in the hospitality and high-end residential sectors have been eager for an LED-based lighting solution that tunes along the black body as it dims while leveraging our strengths in lumen density and lux-on-target performance. We are excited to release LuxiTune, a professional-grade replacement for halogen downlights where dimming is required. Lighting designers who love the benefits of LED but also desire the warmer, softer tones of dimmed halogen light no longer have to compromise."

LuxiTune light engines are available for immediate shipment. For more information about LuxiTune, please visit www.ledengin.com/products/luxitune.

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April 9, 2013

LED Engin's Studio White LED emitters enable design of compact, cool, safe and reliable alternatives to HID arc lamps

Daylight color temperature of 5300K with CRI>85 results in bright lighting and natural skin tones

San Jose, CA: April 9, 2013: LED Engin, Inc., a leader in high lumen density LED products, announces the Studio White range of cool white LED emitters for designers of broadcast and studio lighting. The application demands high CRI in daylight color temperatures to make people look natural under artificial light. This is normally achieved using high intensity discharge (HID) arc lamps. However, such lamps are bulky, run very hot and need high electrical voltages from which to operate, creating potential health and fire hazards. They also suffer from deteriorating performance with age. LED Engin's Studio White emitters allow lighting designers to create fixtures that are smaller, lighter, deliver consistent performance over time, do not get excessively hot and run from safe, low voltages. They feature a daylight color temperature of 5300K, a color rendering index (CRI) of greater than 85 and R9 red content of 50 which results in natural rendering of skin tones and other colors. Standard daylight white LED emitters do not match this performance.

LED Engin offers Studio White emitters in a range of package sizes for different power ratings from 10W to 80W, delivering between 600 and 4400 lumens output. The emitters, based on the company's LuxiGen technology platform, have the lowest thermal resistance per footprint for reliable, high flux density designs in a sleek, small form factor.

LED Engin also offers a complementary range of total internal reflection (TIR) lenses ranging from 9° narrow spot to 50° wide flood beam versions. The compact emitter/ lens combination produces uniform lighting on the target area, smooth beam profiles and minimizes light outside the target area, reducing unwanted glare compared to HID and larger LED array solutions.

David Tahmassebi, President and CEO of LED Engin, comments, "Our Studio White emitters meet the specific color temperature and color quality requirements of general studio lighting to fulfill a need that cannot be met with standard daylight white LEDs. These new emitters deliver best-in-class flux and color stability over time thanks to our technically advanced LuxiGen platform."

LED Engin will be demonstrating the new Studio White emitters and TIR lenses at Prolight + Sound, Frankfurt, Germany, April 10-13, 2013, Hall 9.0, F43.

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April 2, 2013

LED Engin announces robust, RGBW LED emitters with 30% more output for crisp, narrow-beam stage lighting

San Jose, CA: April 2, 2013: LED Engin, Inc., a leader in high lumen density LED products, announces the LZ4 flat lens family of compact, 4-die RGBW emitters for wash lamps and follow spots used in stage lighting applications. Two variants are available: LZ4 that can be driven to 1A and LZ4-Plus that can be driven to 1.5A per die, producing up to 550 and 725 lumens output respectively, some 30% more than rival products. The multi-color LED die, which are mounted onto LED Engin's propriety, multi-layer thermally efficient substrate, are capped with a flat glass primary lens.

Precise color control is achieved via the ability to individually address each die, in conjunction with in-source color mixing and without the added complexity and cost of attaching color filters to lamps. The compact LZ4 emitters with flat glass windows can be used with various secondary optics, including zoom lenses and imaging optics, and are capable of delivering beam widths down to 6 degrees in such systems.

This latest emitter technology facilitates the design of more reliable, controllable and versatile studio lighting compared with high intensity discharge (HID) lamps, often in much smaller enclosures. The LEDs also deliver more consistent color over their service life, run much cooler and save energy.

The technology underpinning the new emitters is LED Engin's LuxiGen platform. LED die are fixed to a low thermal resistance substrate using a unique gold-tin eutectic die-attach process. This allows users to drive the LED dies with higher current and generate more light, while keeping junction temperatures low to ensure long operating life. In the LZ4 RGBW emitters, four die of the same dimensions are closely packed together onto each substrate for optimized étendue. This produces narrower, punchy beams with better color mixing and sharp cut-offs. Utilizing a flat glass lens allows the primary optic to be closer to the die for highest coupling efficiencies and facilitating the use of zoom optics, mixing rods, light pipes and other TIR optics. The product also has its anodes and cathodes aligned, simplifying board design when using multiple emitters in a single lighting fixture.

President and CEO of LED Engin, David Tahmassebi, comments, "Stage and studio lighting have some of the most demanding requirements for LED emitters. Our technology not only produces the highest 'Lux-on-Target' for a given power rating, but also gives lighting designers greater creative freedom. Fixtures that use the technology produce focused, punchy light with minimal glare and are capable of fast, precise color changes to create dramatic effects."

The new emitters are available now direct from LED Engin.

LED Engin will be demonstrating the LZ4 flat lens RGBW emitters at Prolight + Sound, Frankfurt, Germany, April 10-13, 2013, Hall 9.0, F43.