Opto-Electronics


Latest Articles

LED driver with high current accuracy
6 March 2013, Communica
Supertex introduced the HV9803, an open loop, average-mode, current control LED driver operating in a constant off-time mode. It is well suited for backlighting LCD panel applications such as TVs and ...

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Ultraviolet LED
20 February 2013, EBV Electrolink
The new VLMU3100 from Vishay is an ultraviolet (UV) LED in the surface-mount PLCC-2 package. Aimed at a wide range of applications, including adhesive curing, it serves as a solid-state replacement for ...

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Integrated proximity sensor
6 February 2013, EBV Electrolink
Vishay has rolled out a fully integrated proximity sensor that combines an IR emitter, photo-pin-diode, signal processing IC, and 16-bit ADC in one small 4,85 x 2,35 x 0,83 mm surface-mount package. The ...

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HB LED driver
6 February 2013, Altron Arrow
Texas Instruments introduced a 1,5 A constant-current DC-DC buck converter LED driver with a combination of frequency synchronisation, pulse-width modulation (PWM) dimming and thermal foldback. The TPS92510 ...

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Optocouplers for automotive isolation
6 February 2013, EBV Electrolink
Avago Technologies has added three new isolation optocouplers to its R2Coupler family. The new parts provide safe isolation for electric vehicle (EV) and hybrid/electric vehicle (HEV) applications such ...

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New light source may challenge LEDs
23 January 2013, News
The research group is believed to be the first to make a large-scale FIPEL that can replace current office lighting and is based on natural white light.

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LED drivers for long strings and multi-chip arrays
23 January 2013, Brabek
With input voltages up to 60 V d.c. and constant-current outputs of 350, 500, 700 and 1200 mA, Recom’s new RCD-48 family of LED drivers offer device power ratings up to 70 W for long LED strings and multi-chip ...

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Reflective optical sensor
23 January 2013, EBV Electrolink
Vishay’s new TCNT2000 is a reflective optical sensor with transistor output in a miniature SMD package. Measuring just 3,4 by 2,7 by 1,5 mm, it offers a detection range from 0,2 mm to 5 mm for consumer, ...

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High-current LED controller
23 January 2013, Altron Arrow
Linear Technology’s LT3761 is a 60 V DC-DC controller designed to operate as a constant-current source and constant-voltage regulator. Its internal PWM dimming generator makes it ideal for driving high-current ...

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Multichip LEDs for outdoor displays
28 November 2012
Large-format outdoor displays, for example at rock concerts, at sporting events or for perimeter advertising, are the main target applications for the new Displix black and Displix blackprint multichip ...

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Intelligent LED control solutions
14 November 2012, Hi-Q Electronics
Trends in lighting demand intelligence in LED driver technology in order to achieve system longevity, improve user experience and comply with regulations for LED lighting. To realise the required features ...

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Ultra-bright colour LEDs
14 November 2012, EBV Electrolink
Vishay announced a new series of super red, soft orange, yellow, yellow green, blue and white ultra-bright LEDs in a tiny surface-mount 0402 ChipLED package. Measuring 1,0 by 0,5 mm with an ultra-low ...

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Internet-enabled smart lighting solutions
14 November 2012
At LFI 2012 in Las Vegas, NXP showcased two wireless smart lighting solutions based on IEEE 802.15.4 standards. Based on the open 6LoWPAN standard, JenNet-IP is fully IPv6-compliant, and makes it possible ...

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Dimming and non-dimming LED drivers
14 November 2012, EBV Electrolink
LED lighting has evolved into a promising solution for replacing conventional lighting sources, such as fluorescent and incandescent lights. However, designers face several obstacles in residential and ...

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Six-channel LED driver
14 November 2012, EBV Electrolink
The LM3463 is a wide-input voltage LED driver with multiple dimming control modes that maximises system efficiency and reduces complexity in LED area lighting applications, such as street, high-bay and ...

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High-efficiency white LED
14 November 2012, Altron Arrow
Cree has introduced the XLamp XP-G2 LED, touting its ability to deliver luminaire manufacturers up to 20% more lumens per Watt and 2,5 times the lumens per dollar over the original XP-G LED. Characterised ...

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Compact light engines
31 October 2012, Vepac Electronics
Bivar has announced its L2 family of ‘starboard’ light engines, optimised for high output, high colour rendering index (CRI) and uniformity, making them ideal for directional lighting applications in ...

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ST cooperates on OLED displays
31 October 2012
STMicroelectronics has partnered with MicroOLED, a French company dedicated to the development and commercialisation of state-of-the-art organic light emitting diodes (OLEDs), as well as making a minority ...

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Highly integrated optical sensors
31 October 2012, CST Electronics
Maxim has rolled out four new digital optical sensors that advance analog integration with sensor fusion. The MAX44004/05/06/08 measure red/green/blue (RGB) light levels, ambient visible light (ALS), ...

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Recent innovations in LED lighting
31 October 2012
Chris Bohler PhD, Director of Innovation at Cooper Lighting, was one of the speakers at the recent LEDs 2012 conference in San Diego, USA. In an interview, Bohler gave a glimpse into how Cooper Lighting ...

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