Opto-Electronics


Latest Articles

Constant current LED drivers
22 July 2009, Brabek
The RCD series of constant current LED drivers from Recom has been extended to a maximum of 1200 mA to provide the higher currents needed by the new generation of high brightness LEDs. The RCD-24-1.0 ...

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LED driver with front panel activity control
22 July 2009, NuVision Electronics
austriamicrosystems has released the new AS1115, an easy to use user interface (UI) LED driver. It combines display driving and key scanning, providing a complete front panel solution. The device can ...

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Using RGB LEDs for multicolour sign applications
24 June 2009, Altron Arrow
Video walls utilising multicolour LEDs are in high demand, especially if the LED can be mounted using surface-mount technology. This article deals with the latest red, green and blue (RGB) LED package ...

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Red-green-blue-white multichip LED
24 June 2009, Altron Arrow
Cree has developed the industry’s first multichip MC-E LED with red, green, blue and white chips – all in a single package. It is also pairing new LED chip innovations with its industry-leading XLamp ...

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Fluorescent light ballast controllers
24 June 2009, Future Electronics
International Rectifier recently introduced the IRS2530D and IRS2158D 600 V control ICs for energy-efficient dimming fluorescent lighting ballast applications. The IRS2530D DIM8 is a linear dimming ...

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Low-cost digital displays
24 June 2009
Microtips Technology supplies a range of low-cost digital displays designed for an array of target applications. The MTF-TW70SN731-LB is a 7” TFT with an 800x480 WVGA display and LVDS interface. This ...

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1 W white LED
24 June 2009, Future Electronics
Vishay recently added to its Little Star family a new, automotive-qualified 1 W white LED that combines high brightness with a compact package outline. The Little Star VLMW711U2U3XV offers low thermal ...

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Ambient light sensing photodiode
24 June 2009, EBV Electrolink
Vishay has broadened its optoelectronics portfolio with the introduction of a photodiode-based ambient light sensor in a compact 0805-sized surface-mount package, featuring a 0,85 mm profile and simple ...

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Power supplies for LED lighting systems
24 June 2009, Current Automation
Mean Well has launched a new product range of open-frame power supplies – the PLP family – for low cost and built-in installation of LED lighting applications. The PLP-30/60 series are 30 W/60 W switching ...

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Emergency lighting luminaires
24 June 2009
Legrand has extended its portfolio of commercial electrical products to include new self-contained emergency lighting luminaires that meet stringent quality and safety specifications. There are three ...

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Team develops highly efficient white OLED
24 June 2009, News, News
The Technical University of Dresden and Novaled have attained 90 lm/W at a brightness of 1000 cd/m² for a 'real lighting device' and 124 lm/W when using a 3D light-extraction system. An in-depth article ...

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IC integrates LED driver and controller
10 June 2009, Altron Arrow
Cypress Semiconductor recently introduced the PowerPSoC family of integrated embedded power controllers, reputedly the industry’s first single-chip solution for both controlling and driving high-power ...

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MOEMS-based mini spectrometer
27 May 2009, Hamamatsu Photonics UK
Hamamatsu Photonics recently introduced the C10988MA, a unique, ultra-compact spectrometer built using MOEMS (micro opto-electromechanical systems) technology. The C10988MA is a thumb-sized device, measuring ...

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IR receiver for sensors and light barriers
27 May 2009, EBV Electrolink
New from Vishay is a compact SMD IR receiver optimised for sensor and light barrier systems. With its fast reaction times, insensitivity to supply voltage ripple and EMI noise, and low supply current ...

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LED light pipe assemblies
13 May 2009, Altron Arrow
New LED light pipe assemblies from Tyco Electronics provide a convenient and easy-to-use way to achieve accent lighting. With versions for both low- and high-intensity LEDs, the system uses a linear LED ...

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Small 1 W LEDs
13 May 2009, Future Electronics
Avago has announced one of the industry’s smallest LED emitters for solid-state lighting applications. With dimensions of 5 mm by 4 mm by 1,85 mm thick, the new compact 1 Watt ASMT-Jx1x is packaged in ...

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Tiny IR receivers
29 April 2009, EBV Electrolink
Vishay has broadened its optoelectronics portfolio with the introduction of a new series of ultra-miniature SMT IR receivers for remote control systems. With a typical irradiance of 0,15 mW/m², low supply ...

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Oval LEDs in 4 and 5 mm
29 April 2009, Altron Arrow
Cree has released its new generation of high-brightness 4 mm and 5 mm oval LEDs in blue, green and red. The Screen Master C4SMF RGS/GJS/BJS and C5SMF-RGS/GJS/BJS feature optically matched-radiation patterns, ...

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16-channel LED controller
29 April 2009, ASIC Design Services, NuVision Electronics
austriamicrosystems has developed a 16-channel LED controller IC optimised for LCD TV backlighting applications. The AS3693B is designed to allow synchronisation of the LCD picture and the LED backlight ...

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TRIAC-dimmable LED driver
29 April 2009, EBV Electrolink
National Semiconductor’s LM3445 is a new constant-current controller that enables offline, uniform, flicker-free dimming of high-brightness LEDs with a conventional TRIAC forward or reverse phase-control ...

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