LED Components News

UV leds from Lumileds

Lumileds Luxeon FlipChip UV leds are 1x1mm devices with a 5-sided emitter for wide viewing angle. They come in: 380nm (3.2V, 450mW*) 390nm (3.1V, 650mW*) 400nm (3.0V, 750mW*) * Vf and flux at 500mA, flux is typical for high-end bin Maximum drive is 1A. Designers can…

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Lumileds 1.1x1.1 and 1.4x1.4mm mid-power leds

Lumileds Luxeon FlipChip White leds are “chip-scale” devices which apparently offer the firm’s highest flux-density in similar packages – so good for narrow angle beams and high pcb packing density. I typed “chip-scale” because led makers are starting to play fast and loose with this term and…

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Osram mid-power IR leds

Osram has announced a lower power version of its 850nm infra-red leds for security cameras. Oslon Black SFH 4713A produces 760mW for illumination at 10-50m, compared with its >1W devices intended for up to 100m. Beam angle is 90°. 1A drive is needed for 760mW, and typically…

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Lumileds puts colour into 3535 package

Lumileds has launched Luxeon 3535L Color Line – a range of coloured led di in ite 3.5 x 3.5mm package. Colours are: red, red-orange, PC amber (phosphor-converted), lime (also phosphor converted), green and blue. “The success our customers have had with our high power colour emitters convinced…

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Unusual lens makes narrow beams from CoBs

 Yet again, I was asleep when an innovative optic first appeared. This one is a TIR collimator inside a collimator, intended to get fairly narrow beams from CoBs. Sized for fitting in PAR20s and called FNL-N1-75-R, it is a 75mm diamater by 32mm monster from Fraen, described…

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Better photos of Cree light guides

Cree has got in touch to send some closer photos of the new light guides it is using in its own-brand LN (office) and IG (garage) luminaires. Electronics Weekly has requested more information on what makes the technology unique.     &nbsp…

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For Museums and retail

For Museums and retail, Ledil’s 700 Olivia-S is designed to produce beams with typical FWHM of 15-20°, subject to the LES size (up to 19mm). ‘S’ is for spot, and it will soon be joined by some wide beam versions. Fresnel/folding optics keeps height below 23mm…

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Lumileds 6.5mm CoBs reach 1,100 lm at 110 lm/W

Lumileds has pushed up the power of its 6.5mm diameter emission CoB leds, aiming them at PAR, GU10 and MR16 lamps. Called ‘109’ CoBs, they are part of the firm’s 12x15mm Compact CoB family, this time specified at 250mA (35.5V nominal 1.5°C/W).  Others 12x15mm…

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