Daniel S. BurgessOrganic LEDs (OLEDs) incorporating an anode made from a thin sheet of single-walled carbon nanotubes display performance similar to that of devices that employ indium tin oxide, report investigators in Montreal. The finding offers device designers an alternative to the transparent conductive ITO,...Read full articleRelated content from Photonics MediaARTICLESLESA RPI Horticulture Lighting Study Points to Lumileds LEDsThe results of a controlled horticulture lighting study conducted by the Center for Lighting Enabled Systems and Applications (LESA) at Rensselaer Polytechnic Institute have been released, citing...Photonics.com 12/21/2017Designing Lighting Systems Tuned to Circadian RhythmsThere is a lot of interest these days in the physiological effect of light on the human body. Variously referred to as human-centric lighting, biological lighting, or circadian lighting, all reflect...Photonics Spectra June 2017 IssueNovel Photopatterning Approach for OLEDs InveiledA light-mediated methodology for growing patterned, emissive polymer brushes with micron feature resolution could lead to a more efficient, cost-effective method for creating OLED displays. Although...Photonics Spectra September 2017 IssuePromise of Organic Photonics Looms LargeOrganic materials could supersede their inorganic cousins in many applications thanks to some unique and intriguing properties. From lasers, lighting and Li-Fi (light fidelity) to OLED TVs and solar...Photonics Spectra October 2017 IssueF-VLEDs Reduce Heat Generation, Opening Way for Biomedical ApplicationsFlexible vertical micro-LEDs (f-VLEDs) have been developed using anisotropic conductive film (ACF)-based transfer and interconnection technology. Thermal reliability and lifetime were improved by...BioPhotonics April 2018 IssueColor in Nanocrystalline LEDs Can Be TunedA novel, economical way to tune the color of LEDs by altering the semiconductor nanocrystals used to make them could be applicable for industrial-scale production. The color of some LEDs can be...Photonics Spectra November 2017 IssueQuantum Dots, Fluorescent Proteins Vie for SupremacyThe first advances in color displays date to the mid ’50s with the development of the cathode ray tube1, the primary display technology until liquid crystal displays (LCDs) emerged a decade...Photonics Spectra July 2017 IssueLaser Light Source Delivers Superior Optical ControlLegacy light sources such as halogen and metal halide produce highly collimated directional beams, but with short life and lower efficiency than LED sources. LEDs are highly efficient and long...Photonics Spectra November 2017 IssueFlexible, Fabric-Based OLEDs UnveiledResearchers have developed fabric-based organic LEDs that show high luminance and efficiency while maintaining the flexibility of the fabric. These fabrics could lead to soft wearable displays that...Photonics Spectra November 2017 IssueFrom Solar Cells to LEDs, Improvements in Perovskite-Based Technology AccelerateIn just seven years of development, the efficiency of the perovskite solar cell has increased to the point where it rivals — and could soon overtake — the efficiency of the conventional...Photonics.com 8/21/2017PRODUCTSChip-on-Board LEDsThe LUXEON CoB Core Range of chip-on-board LEDs from Lumileds features 5 percent greater efficacy than the nearest competitors. Efficacy exceeds 130 lm/W in 90 CRI and >170 lm/W in 70 CRI,...Photonics.com 3/27/2018Combine 4 Light Sources Into a Single BeamScientists have long requested a light source with sub millisecond switching accuracy powerful enough for fast imaging in order to accomplish their most demanding experimental protocols such as...Promoted Content June 2017 IssueHigh-Bay LED Light FixtureLarson Electronics LLC has announced the EPLX-HB-2X140W-RD3-LED-TRC, a 280-W, explosion-proof dimmable high-bay light fixture that can be wired to a dimmer switch for brightness adjustment. The...Photonics.com 4/11/2018Eight Bright Solid-State Light Sources for FluorescenceBest-in-class SPECTRA III Light Engine provides • Eight independent, solid-state light sources for high-brightness fluorescence needs • Spectrally optimized DAPI, CFP, GFP, YFP,...Promoted Content December 2017 IssueMEDIAFundamentally Different Photonics - LIGHT MATTERS 03.2018On this month's episode of Light Matters, we take you to the South by Southwest (SXSW) Trade Show in Austin, Texas, as new photonics innovations hit the show floor of the Austin Convention Center....Photonics.com 3/29/2018Light Matters Extra: Wilburn Bonnell, Lighting Designer - 07.2017On this episode of Light Matters Extra, we introduce you to the Lighting Supervisor for the Williamstown Theatre Festival, in Williamstown, Massachusetts. Wilburn Bonnell is a freelance lighting...Photonics.com 7/27/2017Supporting the Photonics Industry from the Laboratory - LIGHT MATTERS 01.2018On this month's episode of Light Matters, we take you to central Massachusetts as Worcester Polytechnic Institute and Quinsigamond Community College take on a comprehensive joint photonics laboratory...Photonics.com 1/18/2018Light Matters Extra: Weird and Strange: Quantum Photonics - 03.2018In this month's Light Matters Extra, we take you to the Quantum Photonics Laboratory at MIT run by Dr. Dirk Englund. Dr. Englund's group, the Quantum Photonics Group, is made up of postdocs and...Photonics.com 3/29/2018WHITEPAPERSUse of White Light Fluorescence LED in long-term Live Cell Imaging ApplicationsLamps have long been used in microscopy facilities to conduct time-lapse imaging experiments. Light uniformity, stability and sample exposure are key in generating reliable data. In this study, we...Photonics.com 9/4/2014Time-Lapse Imaging with Lamp and LED – Stability vs RepeatabilityAdvancements in LED technology today enable LEDs to provide a compelling alternative to lamps for fluorescence microscopy illumination and have become increasingly popular. This article discusses the...Photonics.com 11/17/2014Measuring Non-Light Sources with Commercial Laser Beam Profiling SystemsLight emitting devices ranging from LEDs and luminaires to dental curing lamps and UV sterilization systems may benefit. With care and knowledge of light measurement devices, non-coherent light...Photonics.com 9/6/2016LIDAR Guns, Accuracy, and SpeedingAnyone who has driven a vehicle has encountered a Light Detection and Ranging (LIDAR) system in action. But how do you know if the detector is working? Let’s take a look behind the scenes at the...Photonics.com 9/8/2015WEBINARSLight Sources for Stimulated Vibrational MicroscopyAdditional questions and answers: Q: What is the power intensity for the adjusted supercontinuum Stokes laser? A: There are at least two PCF modules commonly used for supercontinuum...Photonics.com 4/22/2014OLED Microdisplays: Advancing Virtual and Augmented Reality Smart GlassesData glasses and wearables like fitness trackers are changing the way many of us live, as well as enhancing vision capabilities in industry and defense. In this webinar sponsored by Radiant Vision...Photonics.com 1/19/2017OLED Foldable Displays: The Future of the Display IndustryFlexible displays are here and are being exploited by companies like Samsung, Motorola (Lenovo), Xiaomi, LG, and (by Q4 2017) Apple. These displays, which are lightweight, thin, curved at the edges...Photonics.com 6/1/2017Micro-Spectroscopy: Enabling Research From Novel Nano-Devices To Clinical DiagnosisMicro-spectroscopy is an ever developing modality for new and exciting research in the areas of nano-technology and bioscience. This webinar will look at modular approaches to microspectroscopy and...Photonics.com 3/24/2015PHOTONICS DICTIONARY TERMSsingle-walled carbon nanotubesReferred to as SWCNTs, these cylindrical nanostructures composed of a folded sheet of graphene can be used as near-infrared markers for small animal multiplex imaging. Emitting at different...EDU.photonics.com 11/14/2016indium tin oxide (ITO)A material widely used as a transparent conductive coating.EDU.photonics.com 9/8/2009wedge photometerA photometer that uses a wedge, marked to show its reduction of flux density, to make two light sources equal in intensity for comparison of luminous intensities. This is accomplished by the gradual...EDU.photonics.com 9/8/2009back channelA channel for communication with the source in an otherwise unidirectional network, such as a channel that provides interactive features in a cable television network.EDU.photonics.com 9/8/2009PHOTONICS HANDBOOK ARTICLESMicroscopy: Key Considerations for Nonlaser Light Sources: Metal halide and LED light sources are changing the illumination landscape in microscopy. Brighter, easier to use and growing in application, they are driving new options in fluorescence, conventional bright-field and other contrast techniques.As recently as five years ago, shopping for a microscope light source was fairly straightforward. For routine applications, it was tungsten halogen, typically 100 W, while for fluorescence, it was an...Photonics HandbookPutting Tunable Light Sources to the Test: Common goals of spectroscopy applications such as studying the chemical or biological properties of a material often dictate the requirements of the measurement system’s lamp, power supply and monochromator.Many common spectroscopic measurements require the coordinated operation of a detection instrument and light source, as well as data acquisition and processing. Integration of individual components...Photonics HandbookLaser Safety Considerations for Industrial EnvironmentsWhen purchasing an industrial laser system, the astute buyer will look for a Class 1 laser product – a system where the laser beam hazard is completely enclosed and there is no potential laser...Photonics HandbookHigh-Brightness LEDs: A Boost from High-Performance Silicones: Ongoing advancements pave the way for high-power LEDs in broader application areas.High-brightness LEDs have found their way into applications such as signs and displays, cell phone flash modules, automotive lighting and general illumination. Some applications, however, such as...Photonics HandbookPHOTONICS BUYERS' GUIDE CATEGORIESOrganic Light-Emitting Diodes (OLEDs)Ultraviolet Light-Emitting Diodes (LEDs)White Light-Emitting Diodes (LEDs)Superluminescent Light-Emitting Diodes (LEDs)A superluminescent light-emitting diode is an emitter based on stimulated emission with amplification but insufficient feedback for oscillation to build up.COMPANIESRadiant Vision Systems, Test & MeasurementRadiant Vision Systems engineers advanced imaging systems to evaluate light, color, manufacturing integrity, and surface quality of illuminated displays, backlit components, light sources,...Photonics Buyers' GuideCavitar Ltd.Cavitar Ltd is an expert in illumination lasers based on diode laser technology. Our laser lighting is used in many demanding high-speed imaging and machine vision applications. We offer versatile...Photonics Buyers' GuideSpectrolight Inc.Spectrolight produces wavelength filtering devices that act as superior replacements for monochromators. These compact Flexible Wavelength Selectors combine the precision wavelength scanning and...Photonics Buyers' GuideMarktech OptoelectronicsNow celebrating its 30th year Marktech Optoelectronics is a manufacturer of both LED emitter and detector components and assemblies. Marktech maintains an onsite engineering test and prototype...Photonics Buyers' Guide