Powering & Controlling LEDs

Magazine Archives

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Flexible Micro LEDs for Wearables

These micro LEDs can be folded, twisted, cut, and stuck to different surfaces.

Smart Lighting Controls for Greenhouses Reduce Costs

A new, internet-connected lighting system for greenhouses could sharply reduce a farmer’s electrical bill, according to a study by University of Georgia researchers.

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...

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...

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.

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.

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.

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.

5 Ws Of LEDs for 3D Metal Printing

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

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.

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.

Harness Wireless IoT Sensors for Integrated Building Management

Facility managers, real estate owners, as well as commercial and industrial businesses are looking to deploy IoT.

Thin Films of Barium Zirconium Sulfide Offer Exceptional Electronic Properties

These thin films hold great promise for solar cells and LEDs.

New Products: January 2020 Photonics & Imaging Technology

Photopolymer films, LED light engines, measurement systems, and more.

Mobile Rugged Displays for Situational Awareness

Program managers and engineers in the military markets need to know about the emergence of new display technologies in the consumer sector.

New on the Market: September 2019

Data Recorder

DATAQ^® Instruments, Akron, OH, announced the DI-4718B data recorder for applications that require signal conditioning. It can accommodate up to eight DI-8B-style amplifiers for...

New Products: September 2019 Photonics & Imaging Technology

Micromachining Subsystem

SCANLAB GmbH (Puchheim, Germany) has introduced a new member of its precSYS product line. Five-axis precSYS subsystems enable industrial...

Products of Tomorrow: September 2019

Semi-Liquid Metal Anode for Next-Generation Batteries

Researchers from Carnegie Mellon University have developed a semi-liquid lithium metal-based anode. Lithium batteries made using this new...

Running an LED in Reverse Could Cool Future Computers

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...