Opto-Electronics


Latest Articles

LEDs for displays
17 August 2011
OSRAM Opto Semiconductors has expanded its TopLED Black series beyond the previously available red and yellow variants. The small LEDs in black packages are now also available in blue, green and orange ...

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OLED lighting panels
3 August 2011
Verbatim, well known for its data storage products, has exploited materials technology developed by its parent company, Mitsubishi Chemical Holding Group, to enter the OLED lighting market. The company ...

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HB LEDs
3 August 2011, EBV Electrolink
Avago Technologies unveiled three series of high-brightness oval through-hole LEDs for electronic signage applications. The HLMP-Lx75, HLMP-Hx74/75 and HLMP-Ax74/75 LEDs’ matched RGB radiation pattern ...

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Presence detector
3 August 2011
The EBDSPIR-PRM ceiling mounted presence detector from CP Electronics is an extension of the EBDSPIR detector range and offers additional features not found on the standard detector, including presence ...

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Multistring LED drivers
3 August 2011, Altron Arrow
Atmel unveiled a new family of intelligent multistring LED drivers for the backlighting and solid state lighting markets. The devices enable LCD TVs to achieve a 10M:1 dynamic contrast and low motion ...

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Programmable LED driver
20 July 2011
Analog Devices announced the availability of the ADP8866 LED charge pump backlight driver, which features independent control of nine LED current sinks, programmable LED blinking sequences and low operating ...

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Linear image sensor
20 July 2011, Hamamatsu Photonics UK
New from Hamamatsu Photonics is the S11108 linear CMOS image sensor with APS (active pixel sensor) technology. The latest APS technology allows the device to achieve a combination of very high sensitivity ...

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PIR sensors
20 July 2011
Murata announced the launch of the IRS-B series of dual and quad type, surface mount pyro-electric infrared sensors. Believed to be not only the smallest PIR sensors in the world, but also the only ...

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Ambient illuminance sensor
20 July 2011, Hi-Q Electronics
Renesas Electronics’ new PH5551A2NA1 is a digital ambient illuminance sensor that detects the brightness of ambient light and sends a corresponding signal to a device such as a microcontroller (MCU). ...

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6-channel LED driver
20 July 2011, Communica
Supertex’ HV9957 is a 6-channel LED driver that provides strong protection from faulty LED strings. It combines a switch-mode boost converter and six low dropout, linear current regulators to deliver ...

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White LEDs
6 July 2011
OSRAM Opto Semiconductors has extended its low-power LED range with the new Duris E 3 family. The small dimensions and wide beam angle of these new LEDs make them well suited for applications that require ...

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WLED drivers
6 July 2011, MB Silicon Systems
Micrel unveiled a pair of new linear WLED drivers aimed at further expanding its portfolio of lighting products. The MIC4811/MIC4812 are six-channel, constant-current sink LED drivers targeting billboard, ...

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LED for POF transmission
6 July 2011, Hamamatsu Photonics UK
Hamamatsu Photonics introduced a new RC-LED – the L10881 – to its range of LEDs. It features a high-speed response (frequency cut-off of 70 MHz typical) and a high fibre-coupled output power when coupled ...

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Constant-current LED drivers
6 July 2011, Brabek
RECOM extended its range of isolated AC/DC LED drivers with constant current output versions supplying 3 and 6 Watts. With an input voltage range of 90 to 264 a.c. the new drivers can be used worldwide. The ...

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High-output LED module
6 July 2011, Altron Arrow
Cree’s new LMR4 is an LED module delivering efficiency of 66 lumens per Watt in a fully integrated solution for downlight applications where high-quality light is essential, such as commercial, retail ...

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LED drivers for lighting
6 July 2011, NuVision Electronics
Monolithic Power Systems supplies a range of LED drivers (and associated evaluation boards) suitable for either step-down or inverting step-up/down applications. The MP248x family achieves up to 2,5 ...

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IR emitters
6 July 2011, EBV Electrolink
Vishay announced a family of infrared (IR) emitters built on a surface emitter technology that it claims enables the highest radiant intensity for this device type available on the market. The surface ...

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LED assemblies
6 July 2011, Communica
OPTEK’s OPA775 and OPA776 series LED assemblies represent a cost-effective backlighting solution for applications such as ATMs, accent lighting, under-counter lighting, media illumination and large channel ...

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LED lighting controller
22 June 2011, Future Electronics
International Rectifier introduced the IRS2548D switched mode power supply control IC for high-power LED illumination including street lighting, stadium lighting and theatrical lighting. The chip, which ...

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Pulsed over-current driving of LEDs
8 June 2011, Altron Arrow
The applications support team at Cree is often asked whether or not it is safe to operate its LEDs with pulsed currents above the maximum datasheet rating. This question is usually asked in the context ...

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