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organic light-emitting diode (1 results)
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- Sony, Others Investigated for Patent Infringement
- Innovation may make the tech world go round, but it's not always pleasant when the bill comes due. It's happening to Sony's Blu-ray disc players and a 29 other electronics makers using light-emitting and laser diodes in their products. A retired Columbia professor filed a complaint charging Sony et al...
- Blog posts 2008-03-24
- Thermal Investigation of High Power Optical Devices by Transient Testing
- In case of opto-electronic devices the power applied on the device leaves in a parallel heat and light transport, the interpretation of Rth is not obvious. The paper shows results of a combined optical and thermal measurement for the characterizations of power LEDs. A model explaining Rth changes at different...
- White papers 2003-10-01
- A Low Drive Voltage, Transparent, Metal-Free N-I-P Electro phosphorescent Light Emitting Diode
- The paper demonstrates a transparent, inverted, electro phosphorescent n-i-p organic light emitting diode (OLED) exhibiting a luminance of 500 cd/m2 at 3.1 V, and with a luminous power efficiency of 23 lm/W when light emitted from both top and bottom surfaces is summed. It finds that 10% lighter is emitted...
- White papers 2003-02-06
- Thermal Challenges in the Future Generation Solid State Lighting Applications: Light Emitting Diodes
- Light emitting diodes, LEDs, historically have been used for indicators and produced low amounts of heat. The introduction of high brightness LEDs with white light and monochromatic colors have led to a movement towards specialty and general illumination applications. The increased electrical currents used to drive the LEDs have focused...
- White papers 2002-04-01
- High Brightness AlGaInP light-emitting diodes
- This paper reviews the recent progress of AlGaInP high brightness light-emitting diodes. After the discussion of some basic material properties and the general problem of light extraction the paper discusses several approaches of high efficiency devices. AlGaInP materials and devices have led to major advances in high-brightness LEDs. The fabrication...
- White papers 2002-01-22
- Capabilities and Reliability of LEDs and Laser Diodes
- This white paper deals with Capabilities and Reliability of LEDs and Laser Diodes In general, high temperature testing is used to determine LED and laser diode lifetimes, even though laser diode failure mechanisms are more sensitive to increases in current density. The paper also reveals that reliability of semiconductor sources...
- White papers 2001-10-30
- Characterization of Proton Damage in light-emitting diodes
- This white paper reveals that Proton damage is investigated for several types of modern light-emitting diodes, examining the damage from the standpoint of older models based on lifetime degradation as well as the simpler method of normalized degradation. It also outlines that an empirical model is developed to describe injection-enhanced...
- White papers 2001-02-07
- Masimo Sensor Adapter Cable, AC-1 for Nellcor Compatible Equipment
- Pulse oximeter sensors have two basic optical components, the emitter and the photo detector. The emitter usually has two light-emitting diodes, or LED's. One LED is the red color that is easily seen, while the other is invisible infrared. These LED's shine light through the tissue at the monitoring site,...
- White papers 2004-05-01
Additional Resources
- Ecrio Announces MoBeam® Digital Barcode Redemption Solution Availability
- Paperless coupon technology requires no change to retailer's POS hardware or software CUPERTINO, Calif., and LAS VEGAS, May 5 /PRNewswire/ -- Ecrio, a pioneer in advanced communications and commerce solutions, today announced at the Food Marketing Institute's annual FMI Show plus MARKETECHNICS event the availability of its...
- Articles 2008-05-05
- Greater China's LED Lighting Manufacturers Predict Export Boom Due to Broader Range of General Lighting Applications — China Sourcing Report
- China Sourcing Report: LED Lighting Fixtures Covers Pricing, Supply Market Trends, Suppliers and Details on Ceiling-Mount, In-Ground and Wall-Mount Light Emitting Diode Fixtures for Export HONG KONG, May 5 /Xinhua-PRNewswire-FirstCall/ -- Eighty-one percent of Greater China LED light fixture suppliers...
- Articles 2008-05-05
- Avago Technologies Announces Industry's Thinnest Autofocus LED for Use in Digital Still Cameras and Camera Phones
- Compact Ultra-Thin Design Provides Narrow Light Radiation Pattern for Autofocus Flash Function in Digital Cameras SAN JOSE, Calif. -- Avago Technologies, a leading supplier of analog interface components for communications, industrial and consumer applications, today announced a new miniature autofocus light emitting diode (LED) for use in ultra-slim...
- Articles 2008-05-05
- Getting the green light: LEDs can provide a viable lighting
- "It's part of the green solution." That's what Larry Schumer, owner of blueStar Lighting, says when describing LED (light- emitting diode) lighting. LED lights are not only energy efficient, they are environmentally friendly, because they contain no harmful chemicals, such as mercury in fluorescent bulbs. Schumer's relationship...
- Articles 2008-05-04
- CLEO/QELS and PhAST Host Exclusive Press-Only Luncheon to Showcase Optics in Energy Efficiency
- Leading Industry Experts Discuss Optics' Role in Solar Energy, Solid-State Lighting Creating more efficient energy sources is an international priority. Much discussion is taking place on new technologies, including the benefits of switching to solar energy and light-emitting diodes (LEDs). Optics is the backbone for both of these...
- Articles 2008-05-02
- Consumers Warming To LEDs as an Energy-Efficient Solution for Lighting, Finds Arrow Electronics Study
- MELVILLE, N.Y. -- With consumer interest in energy-efficient lighting growing rapidly, the next wave of mass-market residential and business lighting could be coming from LEDs - light-emitting diodes, also known as solid-state lighting. That's the key finding of a new consumer survey commissioned by Arrow Electronics, Inc. (NYSE:ARW), a leading...
- Articles 2008-04-29
- Zacks Analyst Blog Highlights: Cree, Inc., Philips Electronics, General Electric, SurModics and Merck
- CHICAGO -- Zacks.com announces the list of stocks featured in the Analyst Blog. Every day the Zacks Equity Research analysts discuss the latest news and events impacting stocks and the financial markets. Stocks recently featured in the blog include: Cree, Inc. (Nasdaq: CREE), Philips Electronics (NYSE: PHG), General Electric Company...
- Articles 2008-04-25
- O2Micro Issued Patent for LED String Driver Architecture
- GEORGE TOWN, Grand Cayman -- O2Micro([R]) International Limited (NASDAQ:OIIM) (SEHK:0457), a leading supplier of innovative power management, and security components and systems, was issued 10 claims under United States patent number 7,339,323 for its LED String Driver Architecture. O2Micro's patented invention is used to drive an LED string....
- Articles 2008-04-23
- Universal Display Corporation Delivers Flexible OLED Prototype with Novel Capabilities to U.S. Army
- Flexible Phosphorescent OLED Display Prototype Demonstrates Visible-Light Emission for Daytime Use and Infrared-Emission for Nighttime Viewing EWING, N.J. -- Universal Display Corporation (NASDAQ:PANL), an innovator behind tomorrow's displays and lighting products through its PHOLED[TM] phosphorescent OLED technology, today announced the successful development and delivery of a novel OLED...
- Articles 2008-04-23
- Harbour Group Partners with Time-O-Matic
- ST. LOUIS -- Harbour Group, in conjunction with President David Wood and other senior management, acquired Danville, Ill.-based Time-O-Matic, Inc. from members of the extended Wood family, Jeff Fox, Harbour Group's chief executive officer, announced. Terms of the transaction were not disclosed. Time-O-Matic Inc. is the highly-regarded designer,...
- Articles 2008-04-22
- Catalyst Delivers New High-Resolution Brightness, Quad-Mode™ LED Drivers for Enhanced LCD Backlight Control
- CAT3647, CAT3648 LED Drivers Provide 32-level LCD Backlight Programming in 3% Step Increments SANTA CLARA, Calif. -- Catalyst Semiconductor, Inc. (NASDAQ:CATS) a supplier of analog, mixed-signal and non-volatile memory semiconductors, continues to quickly expand its line of patented, Quad-Mode[TM] fractional charge pump LED drivers with two new high-resolution...
- Articles 2008-04-22
- Time-O-Matic Partners With Harbour Group
- DANVILLE, Ill. -- Time-O-Matic, Inc. was acquired from members of the extended Wood family by Harbour Group in conjunction with President David Wood and other senior management, David Wood announced. Terms of the transaction were not disclosed. Time-O-Matic Inc., based here, is the highly-regarded designer, manufacturer, and marketer...
- Articles 2008-04-22
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