Learning Center

Exploded Views: A Brilliant Exhibit by Artist Jim Campbell

Exploded Views: A Brilliant Exhibit by Artist Jim Campbell

Images courtesy of jimcampbell.tv In the world of fine arts, we are seeing a progression towards the use of more unconventional materials to create thought provoking pieces. Where the brush, the pencil, or ...

Tuning Micro-Pillars to Increase Light Extraction From Nitride LEDs

Tuning Micro-Pillars to Increase Light Extraction From Nitride ...

Rensselaer Polytechnic Institute (RPI) and Samsung Electronics have used tapered micro-pillars of titanium dioxide (TiO2) to increase light extraction from nitride semiconductor light-emitting diodes (LEDs) by ...

Locos in a Different Light

UK - Visitors to the National Railway Museum's Great Hall this November will be treated to a spectacular free event as selected locos from the National Collection are displayed in a whole new light. Part of ...

High-Brightness Light-Emitting Diodes

High-Brightness Light-Emitting Diodes

Jian Jang Huang,Liang-Yi Chen,Ying-Yuan Huang and Chun-Hsiang Chang Nanostructured light-emitting devices can be produced using nanosphere lithography and application of the chemical-mechanical ...

Sustainable Flames by Light Emissions

UK - The glittering glass facets of the new Siemens Crystal building form the striking exterior of London's newest landmark, at the Western end of the Royal Docks. Just down the road from the Stratford Olympic ...

Electro-Optical Properties and Possible Applications of Bent-Core Liquid Crystals

Electro-Optical Properties and Possible Applications of Bent-Core ...

Antal Jákli Liquid crystals composed of banana-shaped molecules can be used in various display types,enabling submillisecond switching and wide viewing angles without the need for precise and uniform ...

Energy Efficient Lighting for The Biological Clock

Energy Efficient Lighting for The Biological Clock

Dieter Lang A proposed new photometric unit enables assessesment of the energy efficiency of a lighting solution with respect to its biological effectiveness.22 February 2011,SPIE ...

Photometric Design of Color-Conversion LEDs

Photometric Design of Color-Conversion LEDs

Hilmi Volkan Demir,Talha Erdem,Sedat Nizamoglu and Xiao Wei Sun Selected combinations of narrow-emitter nanophosphors,made of colloidal quantum dots,are integrated into LEDs to achieve photometrically ...

Energy-Efficient Control of Solid-State Lighting

Energy-Efficient Control of Solid-State Lighting

Joseph A.Paradiso,Matthew Aldrich and Nan Zhao Aided by sensors,machine-optimized control of intensity and color yields additional energy savings.25 March 2011,SPIE ...

Topvision P18 HD LED Curtain Display Lit Up The Stage Background

Topvision P18 HD LED Curtain Display Lit Up The Stage Background

In the past 2012 Spring Festival Gala,the LED display has impressed the audience a lot.As one of a branch of LED displays,the LED curtain display has been widely used for its amazing background effect. ...

Zhongtian Lighting Introduces 7W LED Spot Light

Today,Zhongtian Lighting announces its latest product-----7W LED Spot Light PAR30[ZT-P30E27-712A].It is designed to replace traditional bulbs,which play a more significant role in daily life accordingly.This ...

Trade-Offs: 2-in-1 or 3-in-1 Ambient Light and Proximity Sensor

As sensors become more popular and systems become more complex, the idea of a plug-in module is gaining popularity. In terms of light sensors, these modules are referred to in terms of the number of functions ...

Fire Officials Caution About Proper Use of CFL Bulbs

Although it's always prudent to discuss the dangers of playing with matches and the importance of changing the batteries in our smoke detectors during Fire Prevention Week, local fire officials are warning ...

LED Bulbs Pricey, But Worth Considering

LED Bulbs Pricey, But Worth Considering

Between all of the interesting shapes and sizes and decoding the letter names, deciding which lightbulb to buy is a lot tougher these days. This constantly cycling lightbulb lab Consumer Reports tests ...

Jellyfish Nightlight: As Natural As It Gets

Jellyfish Nightlight: As Natural As It Gets

This week in kitsch lighting is the Amazing Jellyfish Lamp.Jellyfish are the most abundant species on the planet.They contain GFP,a bioluminescent protein that allows them to glow in the dark.It is mainly used ...

Osram Opto Launches Diodes

Osram Opto Launches Diodes

18 October 2012 Osram Opto launches direct-emitting green laser diodes Osram Opto Semiconductors GmbH of Regensburg,Germany says that it is now offering its first direct-emitting green diode lasers.The ...

The Leaf - The Low Emission Green LED Ceiling Tile

The Leaf - The Low Emission Green LED Ceiling Tile

The Leaf’s slim profile and LED energy efficiency gives you that alternative commercial lighting edge. The Leaf’s backlight display technology kicks those old LED designs out the door, by internally ...

Improve Metrology for Sapphire Substrates Used in LED Production

Improve Metrology for Sapphire Substrates Used in LED Production

Strategies United predicts that by 2015 the global market for high brightness LEDs (HB-LEDs) will generate revenues of $18.9 billion, representing a compound growth rate of 11.8%. A key factor in the growth of ...

To Save Money Lighting Your Home, Get Back to the Basics

Amidst much media buzz about efficient new lighting technologies and a general uproar about government light bulb "bans" worldwide, the most fundamental rule for saving energy on lighting seems to be fading: ...

How to Separate The Bright LED Lights From The Dim Bulbs

It didn't get much attention, but this week marked the 50th anniversary of the invention of the first visible light-emitting diode, or LED, a technology that is well on its way to transforming the lighting ...

Prev 1 ... 76 77 78 79 80 81 82 83 84 ...