Tech news tagged ‘efficacy’

Lumileds ups 3535 game

Luxeon Q is a 1A die in a 3535 surface mount package.

Electronics Weekly’s news site has more here

Picking an 80 CRI 3,000K device (L1Q0-3080) from the range, typical 85deg Tj figures for flux, voltage and efficacy are:

102 lm, 2.81V and 104 lm/W…

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Cree XH ceramic mid-power lighting LEDs

According to Cree, its XH are sub-watt LEDs for lighting are optimised “for fluorescent replacement lighting applications such as troffers and panel lights, where efficacy, lifetime and smooth appearance are critical”.

There are two versions: XH-G and XH-B. The former delivers up to 170 lm/W at…

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200mA Lumileds lighting LED, and an even smaller one

Lumileds has unveiled the Luxeon 3535 2D, which has two LED die in a 3.5×3.7×0.8mm package.

Efficacy is claimed to be up to 140 lm/W (4,000K, 100mA (6.1V) 25°C solder pad) and minimum CRI is 80 across the 2,700-6,500K range…

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Carclo gets into light engines with a streetlight

This LED street lighting module is the first product in a line of light engines to be launched by Carclo. It uses the firm’s S class free-form optic, combined with LEDs in a sealed and thermally optimised assembly. “The module has been developed and tested by the Carclo…

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UK LED headlights race their way to Le Mans

You may not be aware of RaceTech Harnessing, but the Derbyshire-based company is launching LED headlights for endurance race cars. The lights will apparently make their debut at the 2013 Sebring 12hrs in Florida, and are also being installed for the Le Mans 24 hour race.

The endurance race…

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The packaging behind the HB-LEDs

High-brightness (HB) LED packaging design continues to advance, and is contributing almost as much to performance as the LED chip itself, argues Margery Conner, Technical Editor of EDN.

In an analysis piece just loaded onto the site, she says that HB-LED efficacy may grab the headlines, but packaging…

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Top 10 LEDs for lighting – Cree LRP-38

Check out our Editor’s choice of 10 LED products that stand out for their specifications and efficiencies in this most active of design areas.Cree LRP-38 is an LED with a colour rendering index (CRI) of 92, putting is among incandescents for colour quality.”It generates a CRI…

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Project TOPLESS lights up OLED desk lamp

Project TOPLESS is creating Polymer-OLED desk lamp prototypes, reports “The OLED lamps have five 2″ P-OLED panels, each requiring 0.7W (the total power input is 3.5Watts – 5V dc @ 0.7amps),” it writes. “TOPLESS (Thin Organic Polymeric Light Emitting Semi-conductor Surfaces) objectives include…

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How to choose an LED for lighting

Don’t miss a new LED feature on the webiste – How to choose an LED for lighting LED technology is already demonstrating itself as a versatile and efficient choice for decorative lighting effects and the scope for using white LEDs for general illumination is enormous through the technological developments that…

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