LEDs

Electronic Paper Displays Brilliant Colors

Using ambient light, the reflective screen keeps energy consumption to a minimum.

Nanoscale LED Also Functions as a Laser

This new design overcomes a long-standing LED efficiency problem and can also transform it into a laser.

Luminescent Windows Generate Energy from Inside and Out

Polymer cores redirect light from any source to solar cells.

Metal-Halide Perovskite Semiconductors Compete with SilicMetal-Halide Perovskite Semiconductors Compete with Silicon Counterparts for Solar Cells, LEDson Counterparts for Solar Cells, LEDs

Climate change and its consequences are becoming...

Seeing the World Through Different Eyes

Infrared (IR) light is invisible to humans. However, some animals, such as rattlesnakes or bloodsucking bats, can perceive IR radiation and use it to find food. But even for humans, the ability to see...

“Smart” Shirt Monitors the Heart

Flexible carbon nanotube fibers woven into clothing gather accurate EKG and heart rate.

Stable Polymeric Ink with High Conductivity

This paves the way for innovative and more energy-efficient printed electronics.

UpFront: October 2021 Tech Briefs

NASA reveals winners of a CO2 conversion challenge.

Material Increases Efficiency of LED Devices

The approach achieves near 100% light emission efficiency at all brightness levels.

Pivotal Discovery of Nanomaterial for LEDs

Light emitting diodes (LEDs) are an unsung hero of the lighting industry. They run efficiently, give off little heat, and last for a long time. Now scientists are looking at new materials to make...

Rechargeable Cement-Based Batteries

An entire 20-story concrete building could store energy like a giant battery.

Ultra-Thin, Energy-Efficient Photodetector Integrated with Gorilla Glass

This could lead to the commercial development of smart glass, with applications ranging from imaging to advanced robotics.

Using Solar Panel Technology to Create Ultrahigh-Resolution OLED Display

The micro-display could enable smartphones and televisions with resolutions of more than 10,000 pixels per inch.

Researchers Acquire 3D Images with LED Room Lighting and a Smartphone

Researchers are tapping into dynamically controlled LEDs to create a simple illumination system for 3D imaging.

Compound for Organic Light-Emitting Diodes (OLEDs)

The material could enable cheaper and more environmentally friendly displays and large-area lighting.

Atomically Thin Light-Emitting Device for Invisible Displays

Invisible displays on walls and windows would be bright when turned on but invisible when turned off.

New Products

Spectrophotometer for a Microscope CRAIC Technologies (San Dimas, CA) has introduced the 508 PV™ UV-visible-NIR spectrophotometer for your microscope. The 508 Perfect Vision™ is designed to be added to an open photoport of a...

Navy Researchers Evaluate Ultraviolet Sources to Combat COVID-19

U.S. Naval Research Laboratory researchers evaluated commercial ultraviolet (UV) sources for viral disinfection to combat COVID-19 on land and at sea and established a...

Material Advances for LED Quantum Dot Efficiency

Creating next-generation LEDs for novel efforts like COVID-19 decontamination requires LED manufacturers to reevaluate the materials that they’re using.

Products of Tomorrow

A smartwatch that tracks medication levels, a flexible LED, and NASA's "Micro-Organ" device platform.

Q&A: NanoLED Architecture Overcomes Efficiency Droop

A nanoLED has up to 1,000 times the brightness of conventional submicron-sized LEDs.

Optical In-Line VCSEL Testing

In-line testing of certain LEDs, using nanosecond pulses, will become more and more relevant with time-of-flight applications.

New Products

High-speed cameras, ultra-stable mounts, automated inspection systems, and more...

A Combined Optical Transmitter and Receiver

Researchers at Linköping University, together with colleagues in China, have developed a tiny unit that is both an optical transmitter and a receiver.

Beyond LPW: Debunking the Myth that More is Better

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 Of LEDs for 3D Metal Printing

In the operating room, you can produce bioresorbable metal implants, such as screws for bone fractures.

Semiconductors Can Behave Like Metals and Superconductors

This work potentially opens the door to advances like more energy-efficient electronic devices.

Artificial Intelligence Finds and Labels 2D Materials Instantly

The AI system can help shorten the time required for 2D material-based electronics to be ready for consumer devices.

Resolution, Accuracy, and Precision of Encoders

Here's what you'll need to know when you’re choosing an encoder for a motion control system.