Latest Tech News About LED Components

IR led for iris scanning in phones

Aiming at adding iris scanning to phones and tablets, Osram has introduced a low-profile 810nm infra-red led with narrow emission angle and high intensity. “A wavelength of 810 nm is particularly suitable in this regard because it provides high-contrast pictures of the irises of any colour at…

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OP05CA is a series of LED open-circuit protectors from Shenzhen Ruilongyuan Electronics. They automatically reset after a power cycle and arec ompatible with PWM frequencies up to 30kHz. Applications are expected in street lights, traffic lights, tunnels, advertising hoardings, and in medical illumination…

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Kingbright 1W leds

KTDS-3536 is a surface-mount 1W lighting led range from Kingbright. The package is just under 3.5mm square and 2mm high with a silicone lens. Data is a bit thin on the ground at the moment. Cool, neutral and warm white are available, as are red, green and…

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Luminus 1W led under 2x2mm

Luminus Devices has announced Cube, a 1W lighting LED in a 1.9×1.9mm package. Designed from scratch for lighting rather than backlighting, it has a 170 degree viewing angle. Efficacy is up to 143 lm/W, max power is 1.63W, and colour temperature spans 2,700-5,000K…

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Lumileds adds 6.5mm CoBs for spots

For spotlights and directional lamps, Lumileds has added a 6.5mm emissive diameter lighting led to its range of CoBs. Called Luxeon CoB 1202, firm claims it can deliver 65,000 candelas at a 10 ̊ beam angle – without clarifying if this is +/-5 or +/-10 ̊ – and sees it used in…

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Heat tape offers 0.8W/mK

Bond-Ply 800 from Bergquist takes thermal conductivity to 0.8W/mK, and cures at room temperature. The double-sided tape is intended for attaching heat spreaders or heatsinks to assemblies like LED light engines, motor controllers, power converters, or high-performance processors. It has a fibreglass carrier and acrylic…

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Blood and pulse monitor chip has 3 LEDs plus photodiode

For fitness devices, Osram has combined three different colour LEDs and a photodiode in a single 4.7×2.5×0.9mm package for reflective blood oxygen and pulse sensing. Leds in the SFH 7050 are 530nm (green), 660nm (red) and 940nm (infra-red), the photodiode active surface is 1.3×1.3mm…

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Cree's surface-mount CoB alternative

MH-B is a 4.4W (37V 120mA) 5x5mm lighting LED from Cree. The idea is that it can replace a whole bunch of single die medium power LEDs, and still be assembled by pick-and-place. Output is around 500 lm (80CRI, 3,000K), and colour temperatures from 2…

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