Lighting

Access our comprehensive library of technical briefs on lighting, from engineering experts at NASA and major government, university, and commercial laboratories.

Briefs: Lighting
Improving the Efficiency of Green-Blue-Ultraviolet Light-Emitting Diodes

Scientists at the U.S. Naval Research Laboratory (NRL) have suggested a method that could significantly increase the efficiency of green-blue-ultraviolet light-emitting diodes based on GaInN/GaN, AlGaN/GaN, and AlInN/GaN quantum wells. Their approach could enable advances...

Crystals form the basis for the penetrating icy blue glare of car headlights and now they could be fundamental to the future in solar energy...

By inserting platinum atoms into an organic semiconductor, University of Utah physicists were able to “tune” the plastic-like polymer to emit light of different colors – a step...

Using thousands of nanometer-scale wires, researchers at the Georgia Institute of Technology have developed a sensor device that converts mechanical pressure – from a signature or...

Commercial uses for ultraviolet (UV) light are growing, and now a new kind of LED under development at The Ohio State University could lead to more portable and low-cost...

Minuscule crystals that glow different colors may be the missing ingredient for white LED lighting that illuminates homes and offices as effectively as natural sunlight.

Tiny particles of matter called quantum dots, which emit light with exceptionally pure and bright colors, have found a prominent role as biological markers. In addition, they are realizing their...

From the high-resolution glow of flat screen televisions to light bulbs that last for years, light-emitting diodes (LEDs) continue to transform technology. The celebrated...

In a process comparable to squeezing an elephant through a pinhole, researchers at Missouri University of Science and Technology have designed a way to engineer atoms capable of...

Amulti-university research team has used a new spectroscopic method to gain a key insight into how light is emitted from layered nanomaterials and other thin films. The technique, called...

Ateam of researchers at the National Institute of Standards and Technology (NIST) has shown that by bringing gold nanoparticles close to the dots and using a DNA template to control the...

Solid-state lighting (SSL) is increasingly being introduced into the market and it is expected that many of the light sources currently used for general illumination will...

InfiniLED’s latest MicroLEDs (μLEDs) have produced record optical beam intensity. This new device is capable of producing up to 1mW of light from a single 20μm pixel at 405nm. This is...

Briefs: Lighting
Chips That Can Steer Light

If you want to create a moving light source, you have a few possibilities. One is to mount a light emitter in some kind of mechanical housing — the approach used in, for example, theatrical spotlights, which...

An international collaboration led by researchers from the NIST Center for Nanoscale Science and Technology has demonstrated the ability to...

The electronic properties of graphene films are directly affected by the characteristics of the substrates on which they are grown or to which they are transferred. Researchers...

Researchers from the NIST Center for Nanoscale Science and Technology and Caltech have developed a new design platform for measuring and exploiting strong interactions...

What kind of food will astronauts eat and what is the best way to grow it during deep space exploration missions? A group of plant biologists is seeking the answers as...

A new versatile measurement system devised by researchers at the National Institute of Standards and Technology (NIST) accurately and quickly measures the electric power...

Today's light-emitting diode light bulbs have a slight environmental edge over compact fluorescent lamps, and that gap is expected to grow significantly as technology and...

Devices such as light-emitting diodes (LEDs) and lasers are typically based upon the accumulated emission from a large number of gas phase atoms, ions in solids,...

Researchers are edging toward the creation of new optical technologies using "nanostructured metamaterials" capable of ultra-efficient transmission of light, with potential...

Briefs: Lighting
New Technique Allows Simulation of Noncrystalline Materials

A multidisciplinary team of researchers at MIT and in Spain has found a new mathematical approach to simulating the electronic behavior of noncrystalline materials, which may eventually play an important part in new devices including solar cells, organic LED lights, and printable,...

A team of nanomaterials researchers at Sandia National Laboratories has developed a new technique that could make radiation detection in cargo and baggage more effective and less costly...

The gallium nitride nanowires grown by PML scientists may only be a few tenths of a micrometer in diameter, but they promise a very wide range of applications, from new light-emitting diodes and diode lasers...

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

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...

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...

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...

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