Photonics.com: LED Focus

Silver Accentuates Flexible OLED Design

Fri, 01 Aug 2008 00:00:00 GMT

Improved organic LEDs (OLEDs) and photovoltaic devices are sought after by researchers and commercial product developers because they are lighter and

Color Quality and Spectra

Tue, 01 Jul 2008 00:00:00 GMT

The primary motivation for development of solid-state lighting is the potential for huge energy savings. The energy efficiency of a light source is me

Measuring LED Junction Temperature

Tue, 01 Jul 2008 00:00:00 GMT

Manufacturers and solid-state lighting developers are driving LEDs to higher power levels. As more energy is pushed through the LE

Polarition LEDs Deliver Quantum Efficiency

Tue, 01 Jul 2008 00:00:00 GMT

A new generation of light emitters based on hybrid half-light, half-matter quasiparticles called polaritons promises quantum efficiency and ultralow p

LEDs in the Greenhouse

Tue, 01 Jul 2008 00:00:00 GMT

Plants contain photosensors that respond to parts of the spectrum from the UV to 740 nm and that control various aspects of plant growth. For the past

Phosphor-Coated LED Converts Blue Light to White

Sun, 01 Jun 2008 00:00:00 GMT

Coating LEDs with phosphors to create a whiter color is nothing new. But a variety of techniques that are used to do this are hamstrung by efficiency

Controlled Growth of ZnO Microcrystals Achieved

Sun, 01 Jun 2008 00:00:00 GMT

Although ZnO-based microcrystals hold promise in a number of applications, current fabrication techniques are hampered by problems that have limited t

Another Way to Build a Better White Light

Thu, 01 May 2008 00:00:00 GMT

When it comes to replacing today’s white lights, don’t count out solid-state light-emitting electrochemical cells. Researchers from National Taiwan Un

Spreading Out Laterally Enables a Phosphor-Free White LED

Thu, 01 May 2008 00:00:00 GMT

Conventional white LEDs are actually blue or ultraviolet sources, with added phosphor shifting the light to white. However, the converter degrades ove

FPGA TRAINING

Thu, 01 May 2008 00:00:00 GMT

Matrox Imaging offers online field-programmable gate array (FPGA) training programs. They are intended for software developers who need to interface,