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.

News : Lighting
Funding for Solid-State Lighting R&D

The Department of Energy has announced the availability of up to $12 million in funding for energy-saving lighting technologies. The DOE will invest in projects to accelerate research and development of solid-state lighting technologies like LEDs and OLEDs.

News : Energy
The August Issue of Lighting Technology Is Here

The new issue of Lighting Technology has more new feature articles, application stories, tech briefs, products, videos, and research news - all on the latest advances in LEDs and solid-state lighting.

Briefs : Energy
GaN-Ready Aluminum Nitride Substrates

The objective of this project was to develop and then demonstrate the efficacy of a cost-effective approach for a low-defect-density substrate on which aluminum indium gallium nitride (AlInGaN) light-emitting diodes (LEDs) can be fabricated. The efficacy of this GaN-ready substrate would then be tested by...

Briefs : Energy
LED Display Engineering

The primary objective of this project was to develop and implement a method that compensates for the inefficiency of the green light-emitting diode (LED). The proposed engineering solution was to use RGBW combination in every pixel to save energy. A 32" x 16" display with pixel spacing of one inch, which is usually used...

Briefs : Lighting
Self-Activating and Doped Tantalate Phosphors
Phosphors are useful in numerous applications including lighting. Tantalates are very promising materials because they are especially robust and resistant to chemical degradation. Studies have shown that rare-earth tantalates are excellent host lattices for europium (Eu)-doped red-emitting phosphors,...
News : Energy
60-Watt Replacement Bulb Is A Winner

Yesterday, the DOE announced that Philips Lighting North America won the first award under the Department's Bright Tomorrow Lighting Prize (L Prize) competition. DOE's L Prize challenged the lighting industry to develop high-performance, energy-saving replacements for conventional light bulbs.

News : Lighting
New Method for Boosting the Light Output of Green LEDs

A Rensselaer research team led by Christian Wetzel, a professor of physics, etched a nanoscale pattern at the interface between a light-emitting diode’s (LED) sapphire base and the layer of gallium nitride (GaN) that gives the LED its green color. The new technique results in green LEDs...

Articles : Lighting
Light Your World With Solid-State Lighting

Partly due to rising environmental concerns and the increasing cost of energy, the industrialized world is now replacing billions of conventional incandescent light fixtures. While a significant percentage of these applications are moving to compact fluorescent lamps (CFL), the concerns over the mercury...

Articles : Lighting
Meeting Industry Needs for LED Driver Testing

Because light-emitting diodes (LEDs) are a current-driven DC device, they require a converter so they can be powered from an AC voltage. LED drivers have different operating characteristics from the typical AC to DC, and DC to DC power supplies used for most electronic equipment. They are often a...

Briefs : Lighting
Self-Activating and Doped Tantalate Phosphors

Phosphors are useful in numerous applications including imaging, detection, and lighting. They come in forms of thin films, monoliths, or powders for miscellaneous devices, or dispersible nano particles for applications such as biomedical imaging. Oxide phosphors, as apposed to chalcogenides or...

Briefs : Lighting
LED Display Engineering

The primary objective of this project was to develop and implement a method that compensates for the inefficiency of the green light-emitting diode (LED). The proposed engineering solution was to use RGBW combination in every pixel to save energy. A 32" x 16" display with pixel spacing of one inch, which is usually used...

Briefs : Lighting
GaN-Ready Aluminum Nitride Substrates
Crystal IS, Inc., Green Island, NY

The objective of this project was to develop and then demonstrate the efficacy of a cost-effective approach for a low-defect-density substrate on which aluminum indium gallium nitride (AlInGaN) light-emitting diodes (LEDs) can be fabricated. The efficacy of this...

Application Briefs : Lighting
LED Video Displays
OSRAM Opto Semiconductors, Regensburg, Germany
FormoLight Technologies, New Taipei City, Taiwan

Particularly compact Multi CHIPLEDs developed by OSRAM Opto Semiconductors raise the image quality in FormoLight Technologies' high performance LED Matrix TVs. Multi CHIPLEDs are the smallest RGB LED currently on...

Application Briefs : Lighting
LEDs Power Pocket Projector
Luminus Devices, Billerica, MA
Aiptek, Hsinchu, Taiwan

Luminus Devices is powering Aiptek’s new Pocket-Cinema V50 Projector, a small projector enabling instant projection for business presentations, photo sharing, and gaming. The Pocket Cinema V50 Projector combines DLP optical technology with...

Products : Lighting
OLED Microscope Spectrophotometer

The 308 FPD™ spectrophotometer from CRAIC Technologies (San Dimas, CA) measures and compares the spectral output, intensity, and color consistency of each of the microscopic pixels commonly found in organic LED (OLED) devices. The 308 FPD™ is designed to add to the open photo port of a microscope or probe...

Products : Lighting Technology
Concave Grating Spectrometer

Stellarnet (Tampa, FL) introduces the BLACK-Comet-HR concave grating spectrometer. Designed for high-resolution applications, the new BLACK-Comet-HR spectrometer is available for measurements in two ranges — ultraviolet (200- 600 nm) and visible (380-750 nm), and achieves resolving resolutions of 0.4 nm. The...

Products : Lighting Technology
LED Sensor

The Universal LightProbes from Optomistic Products (South Freeport, ME) are small, highly versatile sensors and fiber-optic probes for reliable LED test. Universal LightProbe LED sensors combined with a wide range of fiber-optic probes ensure the reliable and accurate test of color, including white LEDs, and intensity for almost every...

Products : Lighting Technology
HB LED Test Instrument

Keithley Instruments (Cleveland, OH) has introduced the model 2651A high-power system SourceMeter® instrument. The model 2651A provides a wide current range that is critical for a variety of reliability and production test applications, such as testing high brightness (HB) LEDs, power semiconductors, DC-DC converters, and...

Products : Lighting Technology
UV LED Radiometer

Phoseon Technology (Hillsboro, OR) introduces a family of ultraviolet (UV) LED radiometer products that provide customers a simple, reliable way to measure and maintain their UV LED light sources. The radiometers are optimized for 380-420 nm wavelengths and provide traceable calibration to ensure accurate measurements. A...

Products : Lighting Technology
Integrating Sphere

The ISP 2000 integrating sphere from Instrument Systems (Munich, Germany) has been specifically designed with a diameter of 1.9 meters to facilitate precise measurement of total radiant power and luminous flux of lamps, luminaires, and large LED modules. The ISP 2000 is equipped with an auxiliary lamp to compensate for...

Products : Lighting
UV LED Meter

Heraeus Noblelight (Hanau, Germany) introduces the NobleProbe®, a UV LED meter that can be used to take precise measurements of irradiance in the near-UV range. NobleProbe is designed to determine irradiance within a wide measuring range from 1 mW/cm² to 100 W/cm² at wavelengths of between 365 nm and 460 nm. The meter's...

Products : Lighting
Light and Color Measurement System

ZEMAX (Bellevue, WA) and Radiant Imaging (Redmond, WA) introduce the latest version of their imaging light and color measurement system software. New features include 64-bit support, a new database structure, CPU multithreading, and new post-measurement features such as Moiré removal and automatic display area...

Products : Lighting
Portable Spectrophotometer

B&W Tek (Newark, DE) announces the updated i-Spec™ portable spectrophotometer. The i-Spec is a portable spectrophotometer system equipped with silicon and InGaAs array detectors, allowing it to measure from as low as 350 nm to as high as 2600 nm. The newest i-Spec model, the BWS005A, features a new and improved...

Products : Energy
Illumination Design and Analysis Software

Synopsys, Inc. (Mountain View, CA) introduces version 7.2 of its LightTools® illumination design and analysis software with features that will help users graphically analyze simulation results, compute important metrics when designing for the lighting industry, iteratively design with CAD software, and...

News : Energy
New 3D Photonic Crystals Are Electronically and Optically Active

Researchers at the University of Illnois at Urbana-Champaign have demonstrated the first optoelectronically active 3D photonic crystal - an advance that could open new avenues for solar cells, LEDs, lasers, and more.

Products : Energy
UV LEDs

Lumex (Palatine, IL) has expanded the QuasarBrite™ UV family of LED technologies to include three new standard wavelengths, and announces the availability of custom UV LED arrays. The RoHS-compliant QuasarBrite UV LEDs are now available in standard 355nm, 365nm and 377nm wavelengths in a through-hole format.

News : Energy
Method for Doping Nanocrystals Could Up Efficiency of Solar Panels

A team of researchers have demonstrated how semiconductor nanocrystals can be doped in order to change their electronic properties and be used as conductors. This opens a world of possibilities for applications of small electronic and electro-optical devices, such as diodes and...

Products : Lighting
Driver Powers 32 Strings of LEDs

iWatt (Los Gatos, CA) introduces the iW7032 LED backlight driver to power up to 32 parallel strings of LEDs for high-performance direct and segment-edge LED TV backlighting. iWatt’s adaptive switching technology solves the thermal problems of driving multiple parallel strings of LEDs, where a significant amount...

Products : Energy
Ambient Light Sensors

Everlight Electronics (Taipei, Tawiwan) introduces an Ambient Light Sensor (ALS) product family that meets the requirements for power management solutions for the display backlighting of mobile appliances such as mobile phones, notebooks, and PDAs. The ALS combine a photodiode and a current amplifier IC in one package.

News : Energy
May Issue of Lighting Technology Now Available

This issue of Lighting Technology has more new feature articles, application stories, tech briefs, products, and research news - all on the latest advances in LEDs and solid-state lighting.