How Substrate Materials Affect LED Reliability

The solid-state lighting industry continues to develop LEDs with higher lumens per watt, in alignment with Haitz Law, which states that the cost per lumen falls by a factor of 10 every decade and...

LED Binning Using a Single Pulse Tester

LEDs are considered to be the light technology of the future due to their low energy consumption and long lifetime compared to traditional light sources. As LED luminous intensity levels increase, the...

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...

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...

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).

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...

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....

LED Packaging with Silicone Encapsulants

When working together, the packager and silicone provider should take into account several details. One major consideration is the methodology used when packaging an LED, such as surface mount LED,...

Sizing Up Circuit Protection for LED Strings

As light-emitting diodes (LEDs) find their way into more outdoor applications, they are at higher risk for electrostatic discharge (ESD) and other electrical transients. High-brightness (HB) LEDs —...

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...

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 —...

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...

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...

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...

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,...

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,...

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...

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...

Polycarbonate Seen As Top Choice for LED Lighting

Glass and transparent plastics, especially acrylic resins, have long been used in the lighting industry for various aesthetic and functional purposes. As the industry has evolved, light-emitting...