The Next Big Push for LED Lighting -- Ease of Use
... Granted, a light has historically been as simple as 'on' and 'off'. Fancy ones had 'dim'. If you're a luminaire manufacture that has been technologically stumped by the last one, it's a fair bet the rest of what's coming is going to be a bit confusing. Fortunately, the other... Read
the editorial... (or permalink is here)
opportunities presented by the increasing rapid adoption of high brightness LEDs,
in all their forms and applications, represents nothing short of a "digital
revolution" for a previously "analog" world. LEDs are having a
substantial disruptive effect on a number of established technologies, and where
there is disruption, there is an intense need for information.
LIGHTimes Online is here to serve the information needs of the LED industry
supply chain, as well as integrators and non-architectural application solution
providers with technology, product and market news updates for these rapidly evolving
devices. Our readership also includes LED packagers, technology enablers and service
companies seeking the the answers to how best to meet their customers' needs.
architectural lighting and applications news of interest specifically to lighting
designers, specifiers, and architectural lighting decision makers, along with
luminaire designers, lighting system integrators and lighting subsystem developers,
please visit our sister publication, Solid
State Lighting Design.
is booming and the 2011/2012 Summit Series is coming back to keep the message
Launched in 2008, the SSL
Summit will bring the quality story to New York City in October 2011, and
then back to LA in March 2012. At every one of the Summit events, the feedback
remains consistent: Just what we need, do it again soon. The Summit brings together
lighting decision makers with industry thought leaders, pioneers, and innovators
from the across the solid state lighting eco-system.
Continuing the tradition, 2011/2012 will continue
to be all about quality, quality, quality.Showcase
participants and sponsors are vetted to separate the wheat from the chaff
(have your IES LM-79 test reports ready!). Last year's event in NYC included
representatives of over 100 million square feet of developed property, and the
one thing we don't want to leave out for 2011 is you! Look into the series information
at www.SSLsummit.com for the details.
Sponsorships are available for the full series.
AgiLight and Vink Lighting Solutions Sign European Distribution Agreement LIGHTimes News Staff
September 30, 2014...AgiLight, Inc., a producer of LED sign lighting solutions based in San
Antonio, Texas has signed a distribution agreement with Vink Lighting
Solutions. Under the terms of the agreement, Vink will represent
AgiLight’s complete lines of PRO Series, SignRayz®, BoxRayz® sign
lighting products and LED Power Supplies.
“By adding AgiLight’s product offering, Vink is able to
bring technically superior and high quality LED sign lighting products, at a
better value, to our European customer base,” said David Foreman,
General Manager of Vink Lighting Solutions, “This allows us to
provide our customers with a wider choice and, at the same time, grow our total
product offering enabling us to satisfy the fast growing LED sign lighting
demand across Europe.”
AgiLight is an established sign lighting brand in both the United States and
the Middle East. AgiLight's new SignRayz® PRO Series with advanced optics
technology, produces batwing beam patterns and offers increased brightness
resulting in a 50 percent in the number of modules per sign. According to
AgiLight, the SignRayz provides the lowest LED system cost and lowest energy
consumption on the market.
The company say its BoxyRayz® LED system offers a high-efficiency and
cost-effective replacement for fluorescent lamps. The system with a constant
current power supply and high power LEDs boasts 25% higher efficiency than
conventional systems. BoxyRayz provides 400 lumens per module at 92 lumens per
watt. AgiLight contends that BoxRayz's® plug-and-play interconnection
simplifies the installation and reduces labor cost for sign makers and
The SignRayz® Series provides white and colored LED backlighting for
signage. The SignRayz® LED modules feature three light output levels and three
viewing angles to illuminate signs of all configurations, channel letters to
box signs with deep to shallow design. The company says that the robust, long
lasting, and efficient SignRayz® LED modules deliver bright and cost-effective
illumination for both large and small projects.
AgiLight produces Class 1 and Class 2 LED power supplies for signage and
other outdoor applications. They feature a wide input voltage range 100-277V AC
with active power factor correction. The power supplies have multiple
protection functions for wide operating temperatures of between -40°C to
“AgiLight has the product breadth, value proposition and
technological leadership to be a major LED lighting player in the European
market. We recently announced our entry into the European market, and
today’s agreement with Vink Lighting Solutions positions the trusted
AgiLight brand for success.,” said Steven Moya, president and CEO of
General LED Inc., AgiLight’s parent company.
Boost Controller from Diodes Incorporated Simplifies LED Backlighting for Monitors and TVs LIGHTimes News Staff
September 30, 2014...Diodes Incorporated of Plano, Texas, introduced the AL3022 boost controller.
The AL3022 constant-frequency, voltage-mode, external-compensation boost
controller is well-suited for monitor and TV who require a cost-effective
solution for driving LED backlights. The highly integrated device in the small
footprint SO-8 package significantly reduces the number of external components
required for system design, according to the company.
The controller, which operates at a fixed switching frequency of 140kHz,
handles up to 60W output power and is suitable for a wide range of 14-inch to
42-inch LCD panel designs. A 200 mV voltage reference helps minimize losses,
thereby increasing system efficiency in many cases.
The AL3022 delivers accurate line and load regulation and supports both PWM
and analog LED string dimming control methods. Applying an external control
signal of at least 100Hz initiates PWM dimming. A DC signal ranging from 0.8V
to 2.4V triggers an analog dimming.
The controller offers a complete suite of integrated protection features to
improve overall system reliability including over-current and over-temperature
protection circuits, under-voltage lockout, over-voltage, as well as protection
against output-to-ground short circuits.
Saint Joseph's University Enhances Arena with Daktronics Video Display System LIGHTimes News Staff
September 30, 2014...Saint Joseph’s University of Philadelphia, Pennsylvania will be
getting a new LED centerhung video display from Daktronics of Brookings, South
Dakota. The University will see these updates this fall.
SJU director of athletics Don DiJulia said, "This board, with its live
video, stats and sponsor information, will greatly enhance Hagan Arena, which
was recently named one of the top three venues in the Atlantic 10."
The centerhung display system will feature four individual video displays.
Each display will measure about 7-feet-high by 12.5-feet-wide and will feature
6-millimeter line spacing. These displays will brighten the arena and highlight
live video and instant replays. The full-motion video displays can show scoring
information, up-to-the-minute statistics, vivid graphics, colorful animations,
and sponsor advertisements. The displays with wide-angle visibility will
incorporate excellent image clarity and contrast, according to Daktronics.
"Daktronics is thrilled to have worked with Saint Joseph's University to
update the video equipment in Michael J. Hagan '85 Arena," said Scott
Willson, Daktronics sales representative. "The new centerhung will bring
excitement to fans and really add to the overall game-day feel at the
Osram Showcases Latest Automotive Lighting at Automechanika LIGHTimes News Staff
September 23, 2014...Osram presented its latest automotive lighting including LED-based lighting
at Automechanika from September 16-20 in Frankfurt, Germany. The company
displayed automotive lighting in all lighting technologies. Among the
automotive lighting products, the company showcased a xenon/LED headlight, LED
DRL and fog lights, and a laser module, which the BMW i8 and other selected
vehicles will use.
"With our new products we are providing an important boost to the
automobile market. As the world market leader in automotive lighting we are
once again strengthening our pioneering role in this sector," said
Hans-Joachim Schwabe, CEO Specialty Lighting at Osram. Automechanika will take
place from September 16 to 20 in Frankfurt. Osram can be found in Hall 3.0,
Osram developed and produced the LEDriving Xenarc Headlight for the Audi A4
with a combination of xenon and LED technologies. The company claims that so
far it is the only manufacturer to offer a legal upgrade to xenon light without
the need for major reconstruction of the front of the vehicle. Osram boasts
that the LEDriving Xenarc Headlight provides significantly more light than
halogen headlights from renowned car manufacturers and also offers daytime
running light functionality using LEDs.
According to Osram, the new LEDriving LG daytime running light provides
better visibility during the day for improved road safety. An intelligent
control box ensures that the light is fully automatic. LEDriving LG is
compatible with hybrid cars and vehicles with stop/start systems. Osram notes
that all the necessary certificates for use on European roads are in place.
The LEDriving range also includes F1 model fog light with a life of up to
5000 hours (99.99 € RRP) and a color temperature of 6000 K that the
company claims can replace virtually all current fog lights.
Osram also debuted a new series of LEDsBIKE lamps for bicycles. The
portfolio includes three front lights with different luminous intensities of 10
to 70 lux (costing between 29.90 € and 124.90 € RRP) and a tail light
for 9.99 € RRP. The premium model (FX70), which can be recharged via a USB
interface, delivers light in a 180-degree distribution for up to seven hours.
The bicycle lamps come with a two-year Osram guarantee.
Excelitas Technologies® Unveils New OmniCure® AC8 Series UV LED Curing Solutions LIGHTimes News Staff
September 18, 2014...Excelitas Technologies Corp. launched its new OmniCure® AC8 Series UV LED
Curing Systems. According to the company, this latest addition to the AC Series
of UV LED Curing solutions features enhanced process control, superior optical
uniformity, and ease of integration. The systems support the curing of inks,
adhesives and coatings. The AC8 series allows multiple LED heads to be adjoined
to create a larger curing area. The company says that the ability to adjoin the
LED heads increase the system’s flexibility without compromising output
Excelitas says that it specifically designed these new high power,
air-cooled UV curing systems with small form factors for applications in
industrial, medical, and electronics manufacturing including print, conformal
coatings, touch panel/display, and solar panels.
The OmniCure AC8150/AC8150P, AC8225/AC8225P, and AC83000 systems have custom
front-end optics to deliver uniform, high powered, high peak irradiance at
different working distances. According to the company, the AC8 Series employs a
patented process to control individual UV LED module outputs and ensure
uniformity over the curing area. Precise control of the UV irradiance level
ensures consistent and reliable irradiance with the correct amount of UV light
provided with every exposure. The company asserts that the air-cooled design
with a small form factor enables system upgrades with minimal disruption and
seamless integration into new or existing production lines.
“In keeping with our commitment to deliver innovative UV curing
solutions, we are excited to offer the new OmniCure AC8 Series,”
said Oliver Scheuss, vice president, Solid State Lighting and UV/Microscopy for
Excelitas Technologies. “Excelitas strives to develop products to
help customers be more productive and cost efficient. The OmniCure AC8 Series
helps do just that by increasing throughput for a wide range of applications in
the curing of inks, adhesive and coatings.”
The UV curing solutions in the OmniCure® product family will be showcased at
The Assembly Show in Rosemount, IL at the Excelitas booth #1424 from October
28-30, 2014; MD&M in Minneapolis, MN booth #641 from October 29-30, 2014;
and IWCS in Providence, RI, booth #230 from November 10-11, 2014.
Cree Files Patent Infringement Lawsuits Against Harvatek and Kingbright LIGHTimes News Staff
September 17, 2014...Durham, North Carolina-based Cree Inc. has filed patent infringement
lawsuits in the United States District Court for the Western District of
Wisconsin. The lawsuits aim to prevent Harvatek Corporation and Kingbright
Corporation from allegedly infringing Cree’s patents. Among other things,
these patents protect Cree’s LED component portfolio, including
Cree’s white light LEDs.
The Cree patents included in the lawsuits are: U.S. patent # 6,600,175,
and U.S. Patent # 8,659,034,
which are all titled "Solid state white light emitter and display using same".
The lawsuits also include Cree's U.S. Patent # 7,910,938
and # 8,766,298,
which are both titled, "Encapsulant profile for light emitting diodes". The
sixth Cree patent included in the lawsuits is U.S. patent # 8,362,605
titled, "Apparatus and method for use in mounting electronic elements".
“Cree continues to invest significant resources in developing
industry-leading technologies, and it’s paramount that we protect the
investment of our current licensees, shareholders and customers,”
said Brad Kohn, Cree general counsel.
Osram Presents First OLED Application for Car Interiors LIGHTimes News Staff
September 16, 2014...Osram has launched an OLED-based reading lamp for car interiors, reportedly
the first OLED product ever for car interiors. The OLED Reading Light from
Osram with matt aluminum housing provides a warm and uniform light. "With
the launch of the Osram OLED Reading Light in the fall we are once again
providing evidence of our technological leadership and powers of innovation in
the automotive lighting sector," said Hans-Joachim Schwabe, CEO of the
Osram Specialty Lighting Business Unit.
Osram notes that an OLED’s homogeneous light neither casts shadows nor
dazzles (blinds a person temporarily), making OLED technology ideal for
applications requiring eye focus for a long time. The OLED’s color
temperature of 3300 kelvin is very warm, and it has continuously variable
brightness. According to Osram, the OLED Reading Light has been optimized for
use in a car and can be recharged via a USB cable. An indicator at the USB port
shows the status of the battery charge. A clip allows it to be easily attached
to the sun visor for example.
The OLED reading light comes with a five-year guarantee and will be
available from fall 2014 in a limited edition at www.shopyourlight.com, among
Natural Light at Offices Improves Sleep Quality of Workers at Night LIGHTimes News Staff
September 16, 2014...A new study from the University of Illinois at Urbana-Champaign and
Northwester Medicine found that office workers with more sunlight exposure at
the office had longer sleep duration, better sleep quality. Additionally, they
had higher levels of physical activity and an overall better quality of life in
terms of vitality and health compared to office workers with less natural light
exposure in the workplace.
Employees with windows in their offices received 173 percent more white
light exposure during work hours. They reported sleeping an average of 46
minutes more per night than employees who were not exposed to natural light at
the office. Workers in offices with windows also tended to report more physical
activity than those without windows.
In the study, workers without windows reported poorer scores on quality of
life measures that relate to vitality and physical problems in addition to
poorer outcomes in terms of overall sleep quality and sleep disturbances. The
study was detailed in the Journal of Clinical Sleep Medicine in June.
“There is increasing evidence that exposure to light, during the
day --particularly in the morning -- is beneficial to your health via its
effects on mood, alertness and metabolism,” said the study’s
lead author, Phyllis Zee, M.D., a Northwestern Medicine neurologist and sleep
specialist. “Workers are a group at risk because they are typically
indoors often without access to natural or even artificial bright light for the
entire day. The study results confirm that light [exposure] during the natural
daylight hours has powerful effects on health.”
“Architects need to be aware of the importance of natural light
not only in terms of their potential energy savings but also in terms of
affecting occupants’ health,” said co-lead author Mohamed
Boubekri, an associate professor of architecture at the University of Illinois
Boubekri noted that one simple design solution could help make sure that
workstations are within 20 to 25 feet of the peripheral walls containing
windows. ”Daylight from side windows almost vanishes after 20 to 25
feet from the windows,” he said.
The study included 49 day-shift office workers; 27 of which were in
windowless workplaces, and 22 were in workplaces with windows. Study
participants filled out form reporting on their quality of life and sleep
quality. The researchers evaluated the forms with the Pittsburgh Sleep Quality
Index (PSQI). Actigraphy measured sleep, light exposure and activity in a
representative subset of 21 participants including 10 in windowless workplaces
and 11 in workplaces with windows.
Actigraphy is a device worn on the wrist that measures light exposure as
well as activity and sleep and keeps a record of it. The researchers used the
motion to determine activity levels while awake and to calculate sleep time.
The researchers also determined luminance as a measure of light exposure during
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