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DOE’s CALiPER Program Finds Almost All LED-based MR16 Lamps Deficient in Center Beam Intensity
LIGHTimes News Staff
March 6, 2014...The U.S. Department of Energy's CALiPER program has published a Snapshot
Report on LED-based MR16 lamps. The report utilizes the LED Lighting Facts®
program's extensive product database to examine the current state and
trajectory of the market for that class of products.
The report points out “the conventional halogen MR16 lamp is one
of the most difficult lamps for LED technology to successfully replicate. This
is especially true for 12 V, 50 W halogen lamps, which are the highest-wattage
that is commonly available.”
The report indicated that the Lighting Facts Label database has revealed a
relatively steady increase in the lumen output and center beam intensity in
LED-based MR16 lamps. However, the CALiPER report showed that very few
LED-based MR16 lamps are truly comparable to 50W halogen MR16 lamps. While
several met the Energy Star threshold of the center beam intensity for a 35 W
According to the report, the equivalent center beam candle power has been
the most difficult metric to achieve. The design of a high intensity center
beam LED is especially difficult. It requires either a very compact array of
several LED die or a very powerful single LED die. Notably two LED industry
technology leaders, Cree and Philips Lumileds have recently come out with LED
chips that boast extremely high center beam candle power. In addition to the
LED die, optics are required to steer the LED light emission at a very tight
The report stated, “Of the small subset of MR16s that provided
data for beam angle and center beam intensity, only one would meet the minimum
ENERGY STAR® center-beam candlepower criterion for equivalence to a 50W halogen
MR16 at the same beam angle (40°).”
The overall number of MR16s listed by LED Lighting Facts increased slightly
over the past three years, and they now account for only 4 percent of all
listed products, compared with 11 percent three years ago. The mean efficacy
for newly listed LED MR16s changed minimally over the past two years. Lumen
output and input power have both increased steadily in the past few quarters.
For this reason, the luminous efficacy has changed little.
On average, the MR16 lamps listed by LED Lighting Facts have slightly better
color quality than other lamp types, with a higher percentage of MR16 lamps
having a color rendering index above 90.
The report warned that as with all LED lighting categories, there is
substantial variability in the performance of LED MR16 lamps listed by LED
Lighting Facts, and specifiers and consumers should evaluate each product on
its own merits.
3M Steps into LED Sector with Investment in MSi
SSL Design News Staff
March 5, 2014...3M, an enormous company in the office products market with a market capital
that is more than double that of Philips has decided to step into the LED
industry. As you can imagine, 3M of St. Paul, Minnesota is not stepping
lightly. 3M has chosen to collaborate with MSi Lighting of Boca Rotan,
In August 2012, MSi Lighting was listed as the only LED lamp maker among
Inc. 500's fastest growing companies. These exploits and a solid line of
retrofit lamp products apparently caught 3M's attention. About one year ago, 3M
and MSi entered into two agreements. One was a product manufacturing agreement
in which the companies would share technologies. The other was a distribution
agreement in which the companies would share marketing channels. With its
investment in MSi, 3M has decided to take the relationship a step further.
MSi makes a line of LED accent spot & flood lights - including PAR38,
PAR30, MR16, BR30, GU10 and GX24 LED lamps. MSi's LED lamps include the
company's proprietary CrimpFin™ heat sink, custom optics and electronics,
and Cree LEDs.
3M has developed its own A19 bulb. MSi has been given the exclusive right to
distribute 3M's A19 bulb to its customers through the commercial lighting
distributor network. 3M has created a line of products with the MSi design and
technology, branded as 3M, and will be distributing these lamps in retail
stores such as Wal Mart, Office Depot and Staples that already sell 3M's
adhesive and office products.
"3M's Light Management platform enables the company to manipulate light
in different ways, and we are committed to developing high-quality LED
lights," said Gabi Sabongi, vice president, 3M Corporate Ventures.
"MSI's technology is a great fit with 3M and takes our business
relationship to the next level in a way that complements both
"The relationship between MSi and 3M is already strong," added MSi
president John Burke. "This investment allows us to further share ideas and
innovations in LED. With 3M's range of technologies and expertise in optical
science, we are very excited about the future and new ways to serve
"We are excited about MSI's energy efficient LED lighting technology.
Our investment will enable us to provide better LED lighting options to our
customers," said Stefan Gabriel, president, 3M New Ventures.
Konica Minolta Achieves 131 lm/W Efficiency with OLED Panel
LIGHTimes News Staff
March 6, 2014...Konica Minolta of Tokyo, Japan, reported on its Japanese web
site that the company has achieved 131 lm/W with a 15 square cm area white
OLED. Unlike conventional light sources, OLEDs are thin and open up unique
design possibilities. Konica Minolta’s latest OLED record efficiency
takes advantage of functional organic material design technology and organic
material growth and synthesis techniques, such as dye and the development
silver halide photosensitive material for OLED lighting, and the application of
previous research for practical use.
In 2010 Konica Minolta was chosen as one of the contractors of the OLED
lighting project "infrastructure technology development of next-generation high
efficiency and high quality illumination" (NEDO) to implement National
Institute of New Energy and Industrial Technology Development Organization.
The technology of Konica Minolta resulted in an OLED panel with
light-emitting area of 15-square-centimeters that achieves 103 lm / W luminous
efficiency and was exhibited at the cutting edge IT · Electronics Comprehensive
Exhibition CEATEC JAPAN 2013 in October last year. Through further optimization
the company achieved the world’s highest luminous efficiency for an OLED
of 131 lm / W. This improvement in internal quantum efficiency resulted from
the use of the company’s new blue, proprietary phosphorescent material.
The light extraction efficiency of the OLED was also enhanced by the
company’s proprietary internal light extraction technology, and the
organic layer construction techniques that were optimized based upon optical
Panel Manufacturers of Taiwan to Lead 4K TV Shipments, According to NPD Display Search
LIGHTimes News Staff
March 6, 2014...4K LED display panels are more available and affordable to TV manufacturers
than previously. Taiwan-based panel makers Innolux and AUO are the forecasted
leaders in 4K panel shipments worldwide this year. According to the latest
report from NPD Display Search these two companies are forecast to have 58% of
the market share in 2014. Korean manufacturers (Samsung Display and LG Display)
are projected to make up 25% of the market, and Chinese manufacturers
(ChinaStar and BOE) will together produce 14% of the panels worldwide.
Display Search says that Chinese makers of 4K LED LCD TVs have a
significantly different strategy than other global brands. Display Search says
that global brands tend to want to maximize image quality, but Chinese brands
hope to sell 4K TVs at a small premium in their domestically. Display Search
notes that in order to reduce cost and increase sales some panel makers are
promoting reduced-specification 4K TV. However, this strategy may not fit well
with top brands positioning 4K TV as a high-end product.
The company notes that Chinese brands continue to lead 4K TV manufacturing
and shipments. Thus, according to the company, "4K panel demand from
China’s top six TV brands is crucial to all panel makers." China Star
predicts that 90% of its 4K TV panels will go to China’s top six brands,
BOE 70%, Innolux 57%, and AUO 56%. Samsung Display and LG Display, which are
the top global TV panel makers, have what Display Search describes as
"relatively modest plans for 4K panel production". They expect much of their
production to go to their affiliated TV brands, Samsung and LGE. These brands
plan to each get about 60 percent of their 4K LED TV panels internally in
“The 4K display demand from their related TV brands is critical to
the ability of Samsung Display and LG Display to compete effectively within the
growing 4K TV market,” said Deborah Yang, research director for
monitors and TV for DisplaySearch. “The ability of the Korean panel
makers to expand 4K panel production is dependent on their success in securing
more 4K display clients, beyond satisfying the needs of their own 4K TV
“The rise of the 4K TV market is mainly driven by the supply side,
while leading TV brands are concerned about the value proposition of 4K
TVs,” Yang said. “While some TV brands are considering
increasing their 4K TV shipment targets, we continue to see a mismatch between
4K TV panel supply plans and consumer purchasing expectations.”
Researchers Demonstrate LED-based "Optical Lab On-a-Chip"
LIGHTimes News Staff
March 6, 2014...The Bioengineering Department of Ecole Polytechnique Federale de Lausanne
(EPFL), in Lausanne, Switzerland has demonstrated a handheld biosensor on a
chip. Professor Aydogan Ozcan of UCLA along with Professor Hatice Altug of EPFL
and postdoctoral fellow Arif Cetin of EPFL developed the "optical lab on a
chip". The device was detailed in a publication of Nature Light:
Science & Application.
The device reportedly can analyze up to 170,000 different molecules in a
blood sample simultaneously. The device could enable an extremely wide variety
of applications including examining insulin levels, diagnosing cancer, and
looking for Alzheimer markers or certain viruses.
While traditional biosample imagers analyze the spectral properties of the
sample, the new technology examines changes in the light intensity to do
on-chip imaging. It basically analyzes the collective oscillation of
electronics when in contact with light. This technique eliminates the need for
often large spectrometers. The relatively tiny device that is just 7.5 cm tall
and weighs just 60 grams is one step closer to being the "Triquarter"
envisioned in early Star Trek Episodes.
The device employs an LED, a single CMOS chip, and a 10 square millimeter
gold plate with an array of minuscule holes with a diameter of 200nm. Nanoholes
on the gold substrates are compartmentalized into different sections of arrays.
Each section functions as an independent sensor. Special biofilms coat the
sensors of each section. These biofilms specifically attract targeted proteins.
This design allows multiple different proteins in the biosamples to be captured
and monitored simultaneously.
Essentially, the LED light shines through the nanoscale openings. Then, the
CMOS chip records its properties. The presence and number of biomolecules
changes the properties of the light passing through the tiny holes. This
enables easy deduction of the number of particles trapped on the sensors.
The research team hopes to work with local hospitals to find the
technology's best uses.
Daktronics Awarded $1.1 Million Contract From Bay Area Rapid Transit
LIGHTimes News Staff
March 4, 2014...Daktronics Inc. of Brookings, South Dakota USA, will supply $1.1 million
worth of high resolution, full-color 6mm pitch LED displays for San Francisco
Bay Area Rapid Transit (BART) in California. The fifth-largest transit station
in America, BART provides transportation between the East and West Bay and
serves eight million travelers each year.
The initially purchased displays will serve as part of the passenger
information system along the new Warm Springs, San Jose Berryessa and East
Contra Costa (eBART) extensions. The Warm Springs extension is scheduled to
open in December of 2015.
Daktronics first provided LED displays to BART almost 15 years ago. Over the
last year, Daktronics and BART support collaborated on developing the new 6mm
pitch LED product specifically for the mass transit market.
Dale Storhaug, Daktronics Mass Transit Manager, explained that the signs
will employ line color designation, color text, graphics and symbols display,
and aid wayfinding. Storhaug commented, “We’re excited to
deliver the latest in transit signage that can replace the current signs which
stood the test of time. Having a customer relationship built on that level of
loyalty and proven dependability is invaluable.”
Tiësto Performance to Use PixMob 'Audience Participation' LED Video Technology at Hakkasan Las Vegas
LIGHTimes News Staff
March 4, 2014...PixMob Video, a crowd activated display technology recently used at the
Superbowl by Tiesto will again be used at Hakkasan Las Vegas starting Friday
February 28 and for the remainder of Tiesto's shows in 2014. About 2,500 Tiësto
fans will wear LED wristbands that create wireless video effects synchronized
with his music. The crowd will essentially become a canvas for Tiësto’s
visuals. The experience that the visuals create was only previously seen the
Superbowl. Tiësto is an international DJ and performer whose achievements
include: a Grammy nomination, numerous MTV awards, performing at the opening
ceremony of the 2004 Athens Olympic Games, and even a wax statue at Madame
PixMob’s technology employs infrared emissions to send instructions to
pixels worn by audience members, initiating colorful light effects across a
crowd. PixMob Video, the newest adaptation of the technology, enables the
creation of live video effects using the audience as a canvas with real-time
transmission of color information onto any number of mobile pixels at hundreds
of thousands of individual locations up to 300 meters away, without the need
PixMob Video is controllable via computer. A video server sends a video feed
to transmitters, which then send instructions to pixels at over 100,000
locations over wireless infrared in real time. Individual pixels can then
change color according to the received information.
"The main idea behind PixMob Video is to offload the geolocation onto
the video transmitter to keep the pixels simple and reactive," says
Vincent. "We’ve worked many years to create and fine-tune a PixMob
transmitter that in essence is very similar to a traditional digital video
projector. Our projector beams digital information over infrared onto people,
instead of visible colors onto a white canvas."
“I was absolutely amazed by what Pixmob was able to do at the
Superbowl and can’t wait to team up with them for my own shows. Hakkasan
is already one of the best clubs in the world, so to bring the Pixmob
experience to my fans will be something really special,” Tiësto
CEO David Parent imagined the concept while spending a week crashing with
Vincent Leclerc at MIT. PixMob looks to connect crowds to create innovative
kathy ireland(R) Worldwide and LED Technologies Launch LED-based Skincare Products
LIGHTimes News Staff
March 4, 2014...LED Technologies based in Denver, Colorado USA, announced an alliance with
kathy ireland® Worldwide (kiWW®), to develop reVive™ Light Therapy. The
products include skincare devices that offer treatment to promote skin healing
and anti-aging while reducing uneven skin tone, hyperpigmentation, and acne.
These products are FDA approved for skincare. reVive™ Light Therapy
features a complete collection that offers full face light devices in addition
to hand held light devices, across a full range LED Light Modalities.
Lloyd Nelson, CEO, LED Technologies stated, "reVive™ Light Therapy
is exquisite. This all natural anti-aging and skin care therapy is something I
truly believe in. Looking your best, from a healthy perspective is powerful. I
believe reVive™ Light Therapy is a unique product that is able to make
powerful and personal changes in our lives. These treatments from my
experience, are exceptional for wrinkles, aging spots, fine lines, sun damage
"At kathy ireland® Worldwide, we are very excited to work with Lloyd
Nelson and the great team at reVive™ Light Therapy. These terrific people
are passionate about light therapy and its incredible potential. reVive™
Light Therapy, in my opinion, is one of the most extraordinary new technologies
in skincare and personal care," said Kathy Ireland, CEO and chief designer
of kathy ireland® Worldwide.
Kathy Ireland and Lloyd Nelson will meet with the media on March 5, at the
Independent Cosmetics Manufacturers And Distributors, Young Designers event in
Santa Monica, California. Ms. Ireland will serve as keynote speaker and present
awards to young designers in tandem with ICMAD.
Shanghai Company Makes Case for Use of Barium Sulfate Light Scattering Additive
LIGHTimes News Staff
March 4, 2014...Shanghai U-times Chemical Technology Co., LTD in their latest press release
have attempted to make the case for use of Barium Sulfate as a light scattering
material for use in the LED lighting industry. The company points out some of
the design challenges with LED light covers compared to light covers of
conventional lights saying that with LED lighting, the requirements of the
design become much stricter. While heat radiation is less of a problem,
designers go for thinness which translates to thinner light covers, the company
notes. The company says it has concentrated on the problems of "how to increase
the light scattering effectiveness while keeping the haze and
LEDs are a point light source with considerable glare. Therefore, the
company says that LED light has to go through a high quality scattering
material to be an effective luminaire. A lower quality scattering material has
reduced light transmittance and wastes a lot of luminous energy.
Light scattering material is usually composed of transparent material,
scattering additives, and molding. As for transparent materials, there are PC,
PMMA, PS, etc., which are used more often today. The scattering additives are
either organic or inorganic. The company notes that the most known of organic
scattering material additives are the Silanes which can increase the haze with
only a small addition.
According to the company, Silanes have the disadvantages such as high cost,
poor temperature/light/chemical resistance, etc. So, the longer a Silane is
used, the more the optical performance degrades.
Barium Sulfate eliminates some of these problems, the company asserts.
Barium sulfate is almost inert to everything, so the chemical resistance is
much better, and thanks to its high transparency, it can increase the
transmittance efficiency while keeping the haze.
To have the high transmittance and scattering efficiency only cubic crystals
of barium sulfate will suffice. The combination of cubic shaped crystals give
it the scattering effect and high performance, the company contends. Other
chemicals such as natural barytes would not work because of their impurities
and the irregular shape of their crystals, the company pointed out.
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