Cree, Inc. of Durham, North Carolina has launched what the company describes as the first extreme lumen density LED. According to Cree, the now commercial available XLamp XD16 LED is the first to surpass 280 lm/mm2 lumen density. Even by Cree’s high standards of performance, the company says that the new LED delivers up to 5 ½ times higher lumen density than its previous generation of high power LEDs.
The configuration of the LED package features a light emitting surface that spans the entire substrate. This arrangement apparently puts the XD16 in direct competition with WICOP LEDs from Seoul Semiconductor.
Cree constructed the LED using its NX Technology Platform, which reportedly combines advances in lumen density, low optical cross-talk, as well as improvements in thermal contact and ease of system manufacturing. The company says that the new LED can enable new designs for a broad range of lighting applications, including color-tuning, as well as street, portable, and industrial.
The XLamp XD16 LED offers a lumen density of above 284 lumens per square-millimeter, which Cree says is the highest level that a commercially available lighting-class LED has attained.
XD16 Boasts One-Third Optical Loss of Competing LEDs
The ceramic-based XD16 LED utilizes the XQ footprint, and its design addresses issues with luminaire manufacturing, thermal management, optics, and reliability that competing LEDs face. For example, Cree says that the XD16 LED decreases system-level optical loss by up to three times compared to competing technologies when the LEDs are positioned close together on a board. According to Cree, this performance enhancement results in lighting products with fewer wasted lumens and higher efficacy.
“Cree’s new XD16 LED delivers an incredible amount of light output for such a tiny package,” said Joe Skrivan, senior technical director at Black Diamond Equipment. “The XD16 LED’s breakthrough lumen output and peak intensity is a game-changer for our climbing headlamp products because we can design better beam control and decrease the overall size and weight compared to existing designs.”
“Cree’s new Extreme Density LED demonstrates that true LED innovation improves our customers’ system performance without forcing compromise,” said Dave Emerson, Cree LEDs executive vice president, and general manager. “The XD16 LED delivers unmatched lumen density without the design and manufacturing challenges associated with inferior LED technology approaches. Now, lighting manufacturers can easily achieve previously unattainable levels of light output and efficacy in their existing form factors.”
Cree characterizes and bins the new XD16 LEDs at 85°C, and they come in ANSI White and EasyWhite® 3- and 5-step color temperatures (2700K – 6500K), and offer CRI options of 70, 80 and 90. The company says product samples are now available, and production quantities are available with standard lead times.