Articles : Lighting
Adhesives for Optoelectronics

The beginning of the 21st century finds optoelectronics being one of the key disciplines on technological development. Substantial progress in computer technology, communication, imaging, illumination technology, sensor technology, medical technology or production technology is based on the availability of...

Articles : Lighting
Army Explores Potential Of Light-Emitting Monolayers To Benefit Soldiers

Recently Penn State researchers working with the Army Research Office showed that tungstenite, or WS2, formed from layers of sulfur and tungsten atoms, has light-emitting properties that could be useful to plenty of Army applications, like optical sensors or even lasers....

Articles : Lighting
New Manufacturing Technique Could Lead to Brighter, Smarter, More Efficient LEDs

Ming Ma, a doctoral student in the Department of Materials Science and Engineering at Rensselaer Polytechnic Institute, has developed a new method to manufacture lightemitting diodes (LEDs) that are brighter, more energy efficient, and have superior technical...

Articles : Lighting
Researchers Demonstrate New Way to Control Light in Semiconductor Nanocrystals

As demand for computing and communication capacity surges, the global communication infrastructure struggles to keep pace. The problem is that light signals transmitted through fiber-optic lines must still be processed electronically, creating a bottleneck in...

Articles : Lighting
Energy Harvesting Wireless Lighting Control Systems

Energy can be found everywhere — in the movement of doors and windows or machine components, the vibration of motors, changing temperature or variances in luminance level. These energy sources, which usually remain unused, can be tapped by means of energy harvesting to power electronic...

Articles : Lighting
Ensuring Fixture Compatibility for LEDs

Lighting, as an industry, has seen very few significant innovations in the basic technology of light production in the past century. As a result of this static situation, lighting companies have largely been concerned with novel ways to bend metal and shape glass. Current mature technologies such as...

Articles : Lighting
Driving The Future of LCD Backlighting

One of the most pervasive challenges in the world today is increasing energy efficiency. The consumer electronics industry is evolving towards higher efficiency due to newer and stricter energy standards as well as consumer awareness. The demand for higher efficiency drives innovative companies to develop...

News : Lighting
Scientists Mimic Fireflies to Make Brighter LEDs

The nighttime twinkling of fireflies has inspired scientists to modify a light-emitting diode (LED) so it is more than one-and-a-half times as efficient as the original. Researchers from Belgium, France, and Canada studied the internal structure of firefly lanterns, the organs on the...

News : Lighting
Scientists Fit Light-Emitting Bioprobe in a Single Cell

If engineers at Stanford have their way, biological research may soon be transformed by a new class of light-emitting probes small enough to be injected into individual cells without harm to the host. Welcome to biophotonics, a discipline at the confluence of engineering, biology and...

Application Briefs : Lighting
Students Drive Effort To Introduce “Smart Lighting” on Rensselaer Campus

An effort by students, faculty, and staff at Rensselaer Polytechnic Institute to install ultra-efficient LED light bulbs in one campus facility will save the university approximately $21,000 per year. Along with creating opportunities for reduced energy consumption and...

Articles : Lighting
LEDs Allow Home Lighting System Control Using Smartphone or Tablet

Philips recently unveiled what it claims is the world’s smartest web-enabled LED home lighting system. Philips hue allows you to create and control the light in your home using your smartphone or tablet. A starter pack includes three bulbs that screw into your existing lamps,...

Articles : Lighting
Designing LED Lighting for Commercial Applications

As specifiers and end users began moving away from incandescent lighting three decades ago, they started utilizing high intensity discharge (HID) and compact fluorescent (CFL) lamps and fixtures for most commercial lighting applications. The inherent characteristics of these light sources...

Articles : Lighting
Efficient Thermal Simulation for Advanced LED Designs

A successful LED system design must be able to transfer the active device’s heat efficiently from its own PN junction to the ambient. This path includes the printed circuit board on which the LED is mounted and the enclosure and/or heatsink. The designer must confirm that housings and...

News : Lighting
Scientists Invent New Material for Warm-White LEDs

Light emitting diodes (LEDs) are known for their energy efficiency and durability, but the bluish, cold light of current white LEDs has precluded their widespread use for indoor lighting. Now, University of Georgia scientists have fabricated what is thought to be the world's first LED that emits...

News : Lighting
Researchers Identify Links Between Visibility and Safety From Roadway Lighting

Newspapers are filled with stories describing reductions and removal of street lighting in order to reduce municipal costs. Tackling the tricky questions of when and where to install roadway illumination is a challenge for transportation agencies.

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