The project uses 940nm infrared (IR) LEDs embedded in clothes to overwhelm photo diodes in IR-sensitive cameras used for surveillance. Since the wavelength of the lights are not visible to humans ...

The unit can be used to test all conventional LEDs including the multi-colour types and IR ... diode tests on bipolar transistors, although the test current may be too high for the base connection ...

Opto Diode (www.optodiode.com), a division of ITW, and a member of the ITW Photonics Group, introduces the third in a series of infrared (IR) LEDs, the OD-850L. Domestically manufactured using highly ...

photodetectors and light-emitting diodes (LEDs) 1,2,3,4,5,6,7,8,9,10,11. In particular, the development of high-power, efficient and low-cost infrared LEDs will further progress in applications ...

A group of researchers report on the development of a colloidal quantum-dot light emitting diode ... led by ICREA Prof. at ICFO Gerasimos Konstantatos, have developed CQD infrared emitting LEDs ...

(Nanowerk News) National University of Singapore (NUS) researchers have developed highly efficient, large-area and flexible near-infrared light-emitting diodes (LEDs) for new wearable device ...

Through use of an unique aspheric lens, the L8506 infrared (IR) light emitting diode (LED) emits a light beam with a directivity of just ±5°. The collimated light beam discharged by the IR LED ...

Opto Diode (www.optodiode.com), a division of ITW, and a member of the ITW Photonics Group, introduces the second product in the super-high-power series of gallium aluminum arsenide (GaAlAs) infrared ...

with the former based on green- or red-light LED chips matched with IR LED chips and the latter on photo diodes, the sources noted. Ennotar is developing IR LED devices of 1,000-1,650nm in ...