Lighting

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

Acost-competitive solution for increasing the light extraction efficiency of organic light-emitting diodes (OLEDs) with efficient and stable color rendering index (CRI) for solid-state lighting (SSL)...

The use of a material development method known as high-throughput experimentation (HTE), which allows for the screening of large composition areas of complex material systems, has led to the discovery...

Economics is a key factor for application of organic light emitting diodes (OLED) in general lighting relative to OLED flat panel displays that can...

Economics is a key factor for application of organic light-emitting diodes (OLEDs) in general lighting relative to OLED flat panel displays that can handle...

A new mobile lighting system features a fuel cell running on pure hydrogen, resulting in zero-emission electrical power. The fuel cell produces electricity for an advanced, power-saving...

Briefs: Lighting
High-Performance LED Comprised of Organic and Quantum Dot-Based Layers

New research paves the way to manufacturing efficient, stable, and low-cost quantum dot-based light-emitting diodes (LEDs), which is important for the widespread commercial use of these LEDs in large-area, full-color flat-panel displays or as solid-state lighting sources to...

Briefs: Green Design & Manufacturing
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)...

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...

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...

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...

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...

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...

Polymer nanofibers are nanoscale materials whose properties can be adjusted to provide desirable light management performance for high efficiency solid-state lighting...

Polymer nanofibers are nanoscale materials whose properties can be adjusted to provide desirable light management performance for high-efficiency solid-state lighting (SSL)...

Early phosphor-converted white light-emitting diodes (LEDs) produced light with poor color characteristics in terms of color rendering index (CRI) and correlated color...

Briefs: Green Design & Manufacturing
Nanoengineering for Solid-State Lighting

This report summarizes results from a three-year Laboratory Directed Research and Development (LDRD) project. The collaborative effort of researchers from Sandia National Laboratories and Rensselaer...

Sandia National Laboratories, Albuquerque, NM
Rensselaer Polytechnic Institute, Troy, NY

This report summarizes results from a three-year Laboratory Directed Research and Development (LDRD)...

Strobe or rotating beacon-type emergency lighting is a requirement on all Minnesota Department of Transportation (Mn/DOT) maintenance and construction vehicles. There is an effort to...

Strobe or rotating beacon-type emergency lighting is a requirement on all Minnesota Department of Transportation (Mn/DOT) maintenance and construction vehicles. There is an effort...

This report describes the process and results of a demonstration of solid-state lighting (SSL) technology combined with occupancy sensors in a set of upright grocery store freezer cases....

A proposed plant-growth system takes advantage of the highly diffuse reflective surfaces on the interior of a sphere, hemisphere, or other nearly enclosed structure that is coated with highly...

Luminescent materials were developed using aerosol processes, for making improved LED devices for solid-state lighting. In essence this means improving...

Light Emitting Diode (LED) driver ICs associated with specific (uniquely operated) switching power supplies that optimize performance for High...

SynDiTec Inc.,
San Jose, CA

This project developed new light emitting diode (LED) driver ICs associated with specific (uniquely operated)...

Cabot Corp.,
Boston, MA

The overarching goal of this project was to develop luminescent materials using aerosol processes for making improved...

Briefs: Lighting
OLED Deposition Technology

Low-cost processing methods will be required if the small organic molecule materials currently under development for use in organic light emitting diodes (OLEDs) and other electronics are ever to realize wide...

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