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face-mount device (SMD) LEDs.
Lumileds first launched the Matrix family a little more than a year ago (http://bit.
ly/1MLKrHh). There are both rigid and flexible products in the Matrix family. The new
XF-3014 family includes three basic models
with each also being available in a choice of
2700K, 3000K, or 4000K CCTs — all at a CRI
of 80. Developers can buy long strips that can
be cut into 96-mm segments and each segment has 6 LEDs. Alternatively, Lumileds
offers 96-mm segments with connectors
installed. And the family includes a 480-
mm segment with 30 LEDs and connectors.
Osram launches new RGBW LED
for entertainment applications
Osram Opto has announced a new 30W
multi-emitter LED in the Ostar Stage family of products. The company says the model
LED RTDU W S2WN RGBW (red, green, blue,
and white) offers double the light output of
previous products in the 4. 68× 5.75× 1.26-mm
The performance improvements come primarily from an enhanced thermal design that
delivers thermal resistance of 0.9 K/W. The
good thermal conductivity enables each of the
1×1-mm chips to be driven at 2.5A. The new
LED gives SSL product developers t wo options.
Existing products can be updated with the new
LED for greater output. Or developers can
deliver smaller products or models that maintain prior output levels but use fewer LEDs.
The LED features a 120° beam. The green,
blue, and white LEDs are based on the com-
pany’s UX: 3 LED technology platform
( http://bit.ly/1X THVAF). UX: 3 is essentially
a flip-chip architecture with the n-layer on
the top side of the chips and an array of con-
ductive vias that connect with the n-layer
contact on the underside of the chip. The
architecture provides uniform current
spreading and emission. The red LED uti-
lizes standard flip-chip technology.
Round Rock smart street
light pilot includes video
and emergency beacons
The city of Round Rock, TX, located near
Austin, has announced an LED street and
area lighting trial that includes networked
luminaires, video cameras for security in
two locations, and red LED lighting on the
roadway poles for emergency signaling.
Planled, US-based partner of Gigatera, led
the project that also included energy services company (ESCO) Opterra as a participant. The pilot will allow the city and its citizens to experience outdoor SSL while also
providing a test bed for additional emergency and security services enabled by a networked street light infrastructure.
The system can use different flashing patterns, or potentially even different colors
down the road, to convey specific dangers
to citizens. The lighting control is based on
the Gigatera Ecology Service System (GESS)
that includes support for sensors, controllable
luminaires, and wired and wireless net works.
The SSL will deliver significant savings to
the citizens in terms of energy usage while
improving the light quality. The existing
250W HPS lights were replaced by 150W LED
street lights. The retrofit raised the CCT from
1800K to 4000K and CRI from 18 to 81.
The project also includes the aforementioned poles equipped with video
cameras located in a couple of so-called
Safety Exchange Zones near the Police
Department. In those areas, 150W
LED lights replaced 1000W lamps.