Electronics & Software

Lighting

Your destination for advances in Lighting. Design Engineers can access Technical Briefs, news in LEDs, OLEDs, Industrial Lighting, Power and Controlling LEDs. Discover new materials being introduced to improve lighting technologies.

Products : Lighting
LED Selector App

Osram Opto Semiconductors (Sunnyvale, CA) has built an Automotive Signal LED Selector, a new Webbased smart phone app for designers of exterior automotive lighting. Available for the iPhone, Android, Blackberry OS, or other devices with a Web browser, the tool enables engineers to quickly select LEDs by function, color,...

Products : Lighting
Digital Fade Dimmer

Light control manufacturer Lutron Electronics (Coopersburg, PA) recently announced the addition of the Maestro ® digital fade dimmer to its C•L™ dimmer collection. C•L dimmers work not only with today’s most popular light bulbs, but also with dimmable compact fluorescents (CFLs) and dimmable LEDs. C•L dimmers...

Products : Lighting
Flat Panel Downlight

Global Lighting Technologies (Brecksville, OH) has improved the performance of its standard 2×2 ft.-square, edgelit, LED-based flat panel downlight assembly by developing a brighter and more efficient SSL for ceiling lights that delivers efficiencies greater than 70 lumens per watt using standard GLT 2×2-ft troffer...

Products : Lighting
High Brightness LEDs

Everlight Electronics (Taipei, Taiwan) has introduced the “Shwo D” LED series of surface-mount, high-power devices. With standard operating current of 350mA, the LEDs measure 3.5 × 3.5 × 0.58 mm. When driven at standard operating current of 350mA, the minimum luminous flux (lm) of the 1W Shwo D can increase to 110 lm...

Products : Lighting
AC/DC LED Drivers

The PDA080B-48VG LED driver from Phihong USA (Fremont, CA) is rated for inputs of 100 VAC to 304 VAC. The driver, which has a maximum output of 80W at 48 VDC and 1.67A, is compliant with UL8750 and bears safety approvals from CE and cUL/UL. The water-resistant PDA080B features an ingress protection rating of 65; it can...

Products : Lighting
Smartphone LCD Backlight LED Drivers

austriamicrosystems (Unterpremstaetten, Austria) has released the AS3674 and AS3490 LED backlight drivers for smartphone LCD displays. The LED drivers enable application efficiency at a peak level of 90%, including the DC/DC converter and the current sources. The drivers, which feature a PCB footprint of 11.5...

Products : Lighting
Ceiling Mount LEDs

The ZELARA series from Zenaro Lighting (Boynton Beach, FL) offers LED-recessed light fixtures with two diameters of 118 and 170 mm. The ZELARA downlights achieve light beams of at least 15°, 35°, and 50°. Two light colors of 2700K and 5700K are optionally available.

News : Lighting
Conquering LED Efficiency Droop Could Lead to Affordable LED Lighting

University of California Santa Barbara (UCSB)

LEDs seem to reach a point where more electricity no longer imparts the same kick and productivity levels off. A team of researchers from California and Japan has devised a new design for green and blue LEDs that avoids...

News : Lighting
Nanocrystal LEDs Produce Light in the Ultraviolet Range

Los Alamos National Laboratory, Albuquerque, NM

A multinational team of scientists has developed a process for creating glass-based, inorganic LEDs that produce light in the ultraviolet range. The work is a step toward biomedical devices with active components made from...

Articles : Lighting
LED Backlighting From the Sidelines to Center Stage in Under 30 Years

Though often drowned out by the excitement generated by general illumination LEDs, LED backlighting technology has evolved dramatically over the past 30 years. Continued advances in design and performance have allowed each new generation of LED backlighting technology to...

Articles : Lighting
Using IC Sockets in an LED Test System

For more than half a century, the semiconductor industry has been governed by a commonly known principle described as Moore’s Law. This “law” predicts that through technological advancement a doubling of the number of transistors per integrated circuit will occur within a given geometric area on...

Articles : Lighting
LED Light Engine Standardization

After Nick Holonyak invented the practical visible LED in 1962, the first commercial products were limited in brightness and only to applications such as red indicator lights and seven segment displays. In the 1970’s, yellow and green LEDs joined the family and were designed into products such as calculators,...

Briefs : Lighting
Full-Scale, Self-Emissive, Blue and Green Microdisplays Based on Micro-LED Arrays

These displays could play crucial roles in ultra-portable products such as next-generation pico-projectors and in emerging fields such as biophotonics and optogenetics.

Texas Tech University and III-N Technology, Inc., Lubbock, TX,
and
...
Briefs : Lighting
Controlling the Composition and Structure of Nanowires for LED Applications

Nanowires — microscopic fibers that can be “grown” in a lab — have a variety of potential applications, including LEDs and sensors. A team of MIT researchers has found a way of precisely controlling the width and composition of these tiny strands as they grow,...

Application Briefs : Lighting
Design Studio Creates Pods and Microphone for Rock Tour
Stratasys, Inc. Eden Prairie, MN

In April 2009, Tommy Voeten, President of the New York City-based 1212-Studio, was asked to help illuminate the fabric roof of the stages for rock band U2's upcoming international 360 Tour. The roof would become part of the band’s LED video...

Products : Lighting
Integrated Buck Regulators

The SMB206A and SMB210A programmable DC-DC integrated circuits from Summit Microelectronics (Sunnyvale, CA) are dual/single-output integrated buck regulators. With a serial digital interface and onboard non-volatile memory, the SMB20X family can be configured during development and reprogrammed in system by host...

Products : Lighting Technology
Hands-Free Light Source

The Spectroline® EK-3000 EagleEye™ UV-A/White Light LED Inspection Kit (patents pending) from Spectronics Corp. (Westbury, NY) features the palm-sized, cool-running EagleEye inspection lamp. The kit is engineered with two ultra-high intensity UV-A (365nm) LEDs, plus a three- LED white light assembly for general...

Products : Lighting
Mask Alignment System

EV Group (St. Florian, Austria) has announced the EVG620HBL Gen II, the second-generation, automated mask alignment system for volume manufacturing of high-brightness light-emitting diodes (HB-LEDs).

Products : Lighting Technology
Digital LED Controller

Featuring digital TruDim™ technology, the CS161X controller from Cirrus Logic (Austin, TX) has been tested to provide compatibility with an array of dimmers. The CS161X’s digital intelligence allows the controller to identify the type of dimmer in use, and adapt its compatibility algorithm accordingly. The CS161X...

Products : Lighting
Programmable Dimmable Drivers

Designed with a programmable function, the CLSD Series of programmable LED drivers from NMB Technologies Corporation (Chatsworth, CA) features a 10W to 20W power rating, and a 0 to 10W voltage dimming function. Using a few models, the programming function sets a range of output current.

News : Lighting
Band Gap Discovery Could Improve LED Performance
Oak Ridge National Laboratory, Oak Ridge, TN

Solar cells, light emitting diodes, displays and other electronic devices could get a bump in performance because of a discovery at the Department of Energy's Oak Ridge National Laboratory that establishes new boundaries for controlling band...

Articles : Lighting Technology
LED Packaging with Silicone Encapsulants

When working together, the packager and silicone pro vider should take into account several details. One major consideration is the methodology used when packaging an LED, such as surface mount LED, compression molding or injection molding. Besides that, the end use of the LED and the longevity of the LED...

Articles : Lighting Technology
Bringing the Heat

LED, semiconductor, and package designers use complex thermal analysis software to analyze their products, but the analysis is only as good as the data provided. Reliable clarification of heat data upstream and downstream is critical. The process of obtaining this clarification traditionally has been cumbersome, requiring...

Briefs : Lighting
Micro-Cavity Arrays

It was not too long ago that basic science lectures began with the three forms of matter: gases, liquids and solids—and somewhere along the line plasmas were occasionally added to the list. But to be precise, a plasma is an ionized gas; thus, a subset of the big three. But this subset has coexisted with the other forms...

Briefs : Lighting
Retail Merchandise Tracking System

Looking for an item in a large department store or mall can be like searching for a needle in a haystack, but that could change thanks to a hybrid location identification system that uses radio frequency transmitters and overhead LED lights, suggested by a team of researchers from Penn State and Hallym...

Application Briefs : Lighting
Covert Aircraft Landing Lights

Covert lighting on military aircraft is increasingly being implemented on existing airframes to create a compatible environment for pilots using night vision goggles during flight. This retrofitting procedure requires that new and improved lighting devices, such as LEDs, fit within the parameters defined by the...

Application Briefs : Lighting
Aircraft Cockpit and Cabin Lighting
Lumex, Palatine, Illinois

Due to the significant performance benefits they provide, LED and LCD technologies are replacing traditional incandescent bulb fixtures in more and more places throughout the cockpit and main cabin of aircraft. Compared to incandescent bulbs, LED and LCD technology...

Application Briefs : Lighting
Night Vision Compatible LED Indicators

Wilbrecht LEDCO’s new Night Vision Imaging System (NVIS) compatible LEDs are designed for avionics applications that require night vision compatibility. Available in green, yellow, white and red in both 3mm and 5mm sizes, these specially filtered LEDs allow the cockpit display to be visible to the unaided...

Techs for License : Lighting
Extensible Light-Sensing LED Array

New technology developed at NDSU uses an extensible array of light-emitting diodes (LEDs) as a means of sensing incident light levels. This light-sensing LED array can be used to construct highly-dynamic backlights for displays, as well as large-format synthetic aperture cameras.

Techs for License : Lighting
Heterocycles for Use in Electronic Devices

Synthesis of heterocyclic aromatic compounds has been pursued for a long time by chemists in order to analyze their properties and potential applications in biomedical and materials sciences including electronic devices such as organic light emitting devices (OLEDs) and in hydrogen storage.

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Collaborative Robot Applications in the Automotive Industry

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New Developments in Catheter Shaft Components – Part 2