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OLEDs Features
Consumers Demand More, and Photonics Is Up for the Challenge
The Consumer Electronics Association forecasts that the U.S. consumer electronics industry – in which photonics plays an enabling role – will generate $223 billion in wholesale revenue during 2015. It’s a mixture of aesthetics,...
Photonics Spectra, May 2015
QDs Up Display Color, Brightness with Less Power
Want a brighter, more colorful display that uses less power? Quantum dots may be the answer. After 25 years of research and development, quantum dots – man-made semiconducting crystals so tiny they are invisible to the naked eye – are...
Photonics Spectra, May 2014
Better Materials Mean Better Solar Cells
Innovation in materials research is revealing a future in which solar power is inexpensive and efficient, and sunlight-harvesting thin films cover everything from airplanes to buildings. Crystalline silicon, or c-Si, is the dominant photon-absorbing...
Photonics Spectra, September 2013
QDs Are Entering the Mainstream
Since their discovery in the 1980s, quantum dots have been quietly gaining momentum, making slow but steady headway in applications from displays and lighting to photovoltaics and health care. Unique and versatile, quantum dots (QDs) are no longer...
Photonics Spectra, February 2013
R&D Focuses on Emerging Display Technologies
OLEDs and organic electronics lead the pack in research and applications. Across Europe, research and development is focused on technologies that aren’t currently in volume production and thus are not dominated by manufacturers located...
Photonics.com, March 2012
Quantum Dots Set to Permeate the Next Generation of Displays
A veritable explosion of display-centric devices – new cell phones, handheld games, tablet computers and televisions in a multitude of sizes and dimensionality (2-D, 3-D … n-D!) is coming. Spurred on by ecologically minded consumers...
Photonics Spectra, May 2011
AMOLEDs: A Bright and Flexible Future
They’re bright and getting bigger, and they can be flexible as well. AMOLED (active-matrix organic light-emitting diode) displays promise devices that offer vibrant color, fit in the palm of the hand or across the wall of a room, and come in...
Photonics Spectra, April 2011
Displays Add a Dimension, Durability
The rumblings about 3-D that began in 2009 are starting to hit the home display market in earnest, thanks in part to the overwhelming popularity of 3-D movies such as Avatar. Besides being visually more stimulating, new displays also are becoming...
Photonics Spectra, July 2010
Quantum Dots Are Finding Their Place in the World
There has been a panoply of research into the next big thing in quantum dots – those semiconducting artificial atoms that are ubiquitous in fluorescence imaging, biological and chemical sensing, and display applications. Quantum dots of more...
Photonics Spectra, April 2010
Lighting the Way
The lighting industry is in transition. The formerly ubiquitous incandescent bulb has already been banned in Europe and will be phased out in the US beginning in 2012, all part of ...
Photonics Spectra, February 2010
The art of microspectroscopy
Martin noted that both spectra and high-resolution digital images can be acquired with the company’s microspectrophotometers, also known as microspectrometers (including its QDI 2010 model), which are designed to measure the UV-VIS-NIR spectra of...
Photonics Spectra, February 2010
Under an Unblinking Eye
Used for displays in all manner of electronic gadgets, LCD panels are a mainstay of everyday life. Dozens of manufacturers – mainly in China, Taiwan, Japan and South Korea – produce a seemingly endless stream of these liquid crystal...
Photonics Spectra, December 2009
Pico Boom
Tiny projectors, known as pico or pocket projectors, are on the cusp of becoming the next big thing as they shrink to sizes practical for embedding into ever-smaller cell phones and other mobile devices as well as head-up displays for the military...
Photonics Spectra, September 2009
LEDs Go Organic
Thirty years after the discovery of organic LED (OLED) electroluminescence, OLEDs still have not fully penetrated either the display or lighting markets. With the exception of a few handheld mobile devices, OLED displays can be found in very few...
Photonics Spectra, April 2009
Military Photonics: The Art of Seeing Without Being Seen
From optics to organic LEDs (OLEDS) to lasers, many sophisticated photonics technologies are being developed to help soldiers fire without drawing enemy fire, or to get a better understanding of the ever-changing situation on the...
Photonics Spectra, April 2009
Silver Accentuates Flexible OLED Design
Improved organic LEDs (OLEDs) and photovoltaic devices are sought after by researchers and commercial product developers because they are lighter and more energy-efficient than standard displays and solar panels, respectively. A bit farther down the...
Photonics Spectra, August 2008
A Simplified Organic LED
Although the efficiency of organic LEDs (OLEDs) has improved steadily in recent years, it remains challenging to manufacture the intricate, multilayered devices. Researchers at the Institut für Hochfrequenztechnik at the Technische Universität...
Photonics Spectra, October 2007
Suitability of Nanotube Films Depends on How They Are Made
At the University of Southern California in Los Angeles, scientists have reported that not all carbon nanotubes are equal as replacements for the transparent ITO electrodes in organic LEDs (OLEDs) and other photonic devices, such as organic...
Photonics Spectra, October 2006
Laminated OLEDs Avoid Vacuum Processing
Investigators at GE Global Research in Niskayuna, N.Y., may have found a way to make OLEDs practical for general lighting applications. They have demonstrated a simple roll-to-roll lamination process that could be used to fabricate an OLED-based...
Photonics Spectra, August 2006
Imaging Sphere Enables Rapid Source Intensity Mapping
Many photonic applications require the ability to calculate luminous intensity; that is, light intensity as a function of angle. For example, measuring output as a function of angle helps characterize light sources, luminaires and displays, and the...
Photonics Spectra, September 2005
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