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2005-07-11 Universal Display blue light emitter could boost OLED market
A durable blue phosphorescent organic LED developed by Universal Display has surpassed the 1,000-hour lifetime barrier by a wide margin, the company said.
2015-08-03 Graphene-based bulb brings light to semicon ICs
A team of researchers developed what they boast as essentially the world's thinnest light bulb, an on-chip visible light source using graphene as a filament
2005-07-08 Durable blue light emitter could boost OLED market
A durable blue phosphorescent organic LED developed by Universal Display Corp. has surpassed the 1,000-hour lifetime barrier by a wide margin, the company said.
2007-09-24 Semiconductor light source plugs directly into AC power outlets
Seoul Semi's Acriche line of semiconductor light source has the capability to plug directly into AC power outlets in homes and offices without the need for an AC/DC converter
2008-05-07 Proximity, ambient light sensor comes in single chip
Capella Microsystems has unveiled the CM3612 device, which it claims is the industry's first proximity and ambient light sensor in a single chip
2012-03-01 Light/proximity sensor touts power-saving interrupt function
The VCNL4010 combines an infrared emitter and photo-pin-diode for proximity, signal processing IC and a 16bit ADC, with ambient light detection from 0.25lux to 16klux.
2011-02-09 IR emitter's radiant intensity cuts power consumption
Vishay is offering an 850nm IR emitter, VSLY5850, that is optimized for IR illumination in CMOS cameras, fire alarm systems, and smoke detectors
2014-10-27 Cree patents hybrid LED-OLED tech to generate white light
The patent application describes a solid state lighting system and/or a luminaire that can generate white light by combining OLED lights with another solid state emitter, for instance a conventional LED.
2005-02-17 Vishay optical sensor works with ELMOS HALIOS tech
A new miniature reflective optical sensor capable of operating in bright sunlight was announced by Vishay.
2008-08-11 Power LED emitters are efficient for lighting apps
Avago Technologies has introduced a 1W warm white Moonstone power LED emitter for use in a variety of architectural, commercial, spot light, task, backlighting, and decorative lighting applications.
2004-10-18 Osram integrates thin-film technology in IREDs
Osram Opto Semiconductors is now using thin-film technology not only for LEDs but also for IR components.
2006-11-22 Optek develops line of IR emitters, sensors
TT electronics Optek Technology has developed a family of infrared emitters and matching sensors, providing design engineers with SMDs for a broad range of applications.
2005-08-22 Novaled develops LED with high power, long life
Organic light emitting diode company Novaled GmbH has developed a red top emission OLED that produces 10 lumens per watt at 500 candelas per square meter, with a projected lifetime of more than 100,000 hours
2002-04-19 Lumileds white LED generates 120lm
Lumileds Lighting LLC has released the Luxeon 5W white LED that provides an output of up to 120lmfour times the luminous flux of the company's previous products, and up to 60 times the output of competing devices.
2011-11-16 IR emitters feature 520mW optical power at 1A
Due to the devices' low thermal resistivity, high drive current can be used over almost the entire operating temperature range of -40C to 100C.
2006-12-19 CMOS imager chips enable true machine vision
New CMOS imager chips are emerging that directly sense depth3D pixel-by-pixelenabling machine vision to realize its goal of perceiving objects, and reacting appropriately.
2009-01-09 940nm IR emitters tout improved radiant intensity
Vishay Intertechnology has expanded its optoelectronics portfolio with a family of 940nm surface-mount IR emitters featuring significantly higher radiant intensity over standard emitter technologies
2004-08-10 Vishay IR emitters offer improved radiant intensity
Vishay developed a new family of high-speed infrared emitters that offer outstanding levels of radiant power and intensity.
2006-03-30 Optical sensor operates up to 12 inches
TT electronics OPTEK Technology has developed a wide gap optical sensor that operates over distances up to 12 inches in industrial environments.
2009-08-04 LEDs target illumination apps
Philips Lumileds has added nine new emitters to its LUXEON Rebel family of LEDs, designed specifically for illumination solutions such as recessed lighting, street lamps and retrofit bulbs.
2013-02-18 Toronto University, KIT build nanoscale silicon-based LEDs
A research team from the Toronto University and the Karlsruhe Institute of Technology have created nanoscale silicon based LEDs, offering a significant potential as highly efficient light emitters
2012-04-05 Micro-loop mirror design ups silicon chip performance
Integrated Si/III-V lasers can take advantage of low-loss silicon waveguides, while addressing the problem of low light emission efficiency that silicon devices typically have
2014-09-01 White-chip scale packages offer up to 80% cost reduction
Rated for input power up to 3W, the the ReadyMount Enhanced CSP from SemiLEDs is a fully packaged white emitter SMD component, ready for surface mounting on any board level module or COB application
2016-03-02 LED Engin rolls out double flux density emitters
The LZ4-04MDPB emitter includes a thinner flat glass lens, moving the secondary optics closer to the surface for greater illumination from fixtures with tightly controlled beam widths
2006-08-25 IR reflective switch operates in dusty environs
OPTEK Technology said both the emitter and sensor of its long distance infrared switch is protected by a clear window, allowing the device to operate in dusty environments
2012-09-26 Erbium-silicon chip acts as optical amplifier
Silicon and erbium integrated on a single chip has the ability to amplify light up to 170 gigabits per second
2011-05-26 Enhanced LEDs boost 'green' display energy efficiency
Low-power displays continue to enjoy an overall economic advantage, thanks to improving LED efficiency achieved through enhanced internal quantum and light extraction efficiencies and new technologies
2009-05-27 Design fundamentals for phototransistor circuits
The common-emitter amplifier circuit generates an output that transitions from a high state to a low state when light in the near-infrared range is detected by the phototransistor. This article discusses the design fundamentals for phototransistor circuits.
2004-09-17 Canon, Toshiba form join venture for flat-screen SED panels
Canon and Toshiba will begin operating a long-rumored joint venture company next month to develop and produce next-generation flat-screen SED (surface-conduction electron-emitter display) panels for large-screen, flat-panel TVs
2015-02-13 Utilising LEDs for LCD backlighting (Part 2)
In Part 2, we will begin with a look at the market trends that have driven the evolution of LED LCDs. This will be followed by an exploration of the optical design techniques used in today's displays.
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