Keyword: Light emitting diodes (LEDs)

Articles: Materials
Conductive cellulose, composites testing, and a light-emitting tattoo.
Briefs: Electronics & Computers
Normally an insulator, diamond becomes a metallic conductor when subjected to large strain.
Briefs: Energy
The micro-display could enable smartphones and televisions with resolutions of more than 10,000 pixels per inch.
Briefs: Photonics/Optics
Researchers are tapping into dynamically controlled LEDs to create a simple illumination system for 3D imaging.
Briefs: Imaging
The material could enable cheaper and more environmentally friendly displays and large-area lighting.
Briefs: Photonics/Optics
Invisible displays on walls and windows would be bright when turned on but invisible when turned off.
Articles: Lighting
A smartwatch that tracks medication levels, a flexible LED, and NASA's "Micro-Organ" device platform.
Application Briefs: Lighting
Creating next-generation LEDs for novel efforts like COVID-19 decontamination requires LED manufacturers to reevaluate the materials that they’re using.
Q&A: Nanotechnology
A nanoLED has up to 1,000 times the brightness of conventional submicron-sized LEDs.
Application Briefs: Photonics/Optics
There’s been a race to the top among industrial LED lighting manufacturers as they scramble to squeeze the maximum possible lumens per watt (LPW) out of their products.
5 Ws: Manufacturing & Prototyping
In the operating room, you can produce bioresorbable metal implants, such as screws for bone fractures.
Briefs: Energy
This work potentially opens the door to advances like more energy-efficient electronic devices.
Briefs: Energy
The AI system can help shorten the time required for 2D material-based electronics to be ready for consumer devices.
Briefs: Electronics & Computers
The material combines two polymers with different properties.
Briefs: Sensors/Data Acquisition
A highly sensitive, CMOS-compatible, broadband photodetector was created by tailoring material defects.
Briefs: Electronics & Computers
These thin films hold great promise for solar cells and LEDs.
Articles: Motion Control

In the digital age, the measurement of rotation of a mechanical shaft on a motor or a rotating instrument knob needs to be done quickly and efficiently....

Briefs: Electronics & Computers

Some organic materials cannot be utilized similarly to silicon semiconductors in optoelectronics. Whether in solar cells, light-emitting diodes, or in transistors, what is important is the bandgap, i.e....

Briefs: Semiconductors & ICs

NASA Langley Research Center has developed a double-sided Si(Ge)/ Sapphire/III-Nitride hybrid structure. This technology uses both sides of a sapphire wafer to build device...

Briefs: Semiconductors & ICs
3D Printing of Flexible Circuits

A process was developed for 3D printing that can be used to produce transparent and mechanically flexible electronic circuits. The electronics consist of a mesh of silver nanowires that can be printed in suspension and embedded in various flexible and transparent plastics (polymers). This technology can enable...

Briefs: Nanotechnology

Stretchable electronics, which can be stretched, deformed and wrapped onto nonplanar curved surfaces, have attracted much attraction due to their...

Briefs: Lighting

Researchers devised a method in which running a light emitting diode (LED) with electrodes reversed was able to cool another device nanometers away. They harnessed the chemical potential...

NASA Spinoff: Manufacturing & Prototyping

Rocket engine testing requires a lot of light since all tests are filmed with high-speed cameras to monitor performance; however, those cameras have to adjust to the bright plume from a firing...

Application Briefs: Manufacturing & Prototyping

Gas Monkey Garage (GMG) is arguably America's most recognized hot rod shop. Founded in 2004 by charismatic serial entrepreneur Richard Rawlings, the Dallas, Texas garage is a state-of-the-art restoration and...

Briefs: Imaging

A blue-light imaging method was developed that can be used to obtain visual data from large test fires where high temperatures could disable or destroy conventional electrical and mechanical sensors. The...

Briefs: Energy
Water-Based Battery Stores Solar and Wind Energy

Wind and solar energy generation creates challenges, since the Sun only shines by day, and sometimes the wind doesn't blow. Another variability is surges of demand on the grid. On a hot day when air conditioning is in use, utilities must have load-balancing strategies to meet peak demand. A...

Briefs: Electronics & Computers

Currently, concussion is measured by the symptoms someone experiences, but it is difficult to know what is happening in the brain in any one person. To address this problem, a portable brain imaging system was...

Articles: Automotive

Today’s high-resolution laser scanning confocal microscopes (LSCM), also referred to simply as laser scanning microscopes, are powerful high-magnification surface metrology instruments with...

Articles: Lighting

The task of creating a streetlamp optical system has changed over the last 20 years and due to this change, so has optical design software. Let’s compare the task of...