Replacement Lighting News

High CRI GU10 found in UK High Street

It transpires that Scandi household* store Clas Ohlson has >90CRI led GU10 bulbs amongst its standard 80CRI offerings. This is the one I saw (right). The detailed spec on the website says 90CRI and 300 lm, but I think the box says 92 or even 95CRI and 345 lm…

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Further update: MR16 and PAR16 have dichroic glittery look

For minimalist luminaires where the sides of MR16 or PAR16 bulbs are intended to be seen, Verbatim is making MR16 (GU5.3 base) or PAR16 (GU10) “dichroic-effect” LED lamps. Verbatim has kindly clarified some points below – thanks folks Dichroic reflectors used to be used in incandescent MR16s and similar…

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GU10 autopsy

I cut and pulled apart a failed GU10 to see what had gone wrong. The guy who gave it to me said he installed 20 or so not long ago, and already a few have stopped working. Heatsinking it pitiful – there is a single pcb with 27 leds on one…

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Why cheap isn't necessarily the way to sell LED bulbs

A guest blog, from a retailer that sells high-end lighting According to the United Nations Environment Program, there are approximately 633 million light bulbs currently in use in the UK. However, only about 20% of these are classed as ‘energy efficient’. Despite the potential energy saving benefits, homeowners are…

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Verbatim bulb scores 'best buy' at Which?

Verbatim, once a floppy disc company, is now an LED bulb maker. And it has won a ‘best buy’ rating at consumer organisation Which? Which? is impressive because its reviewers don’t just guess, it has its own test labs. It awards percentages to each item on test based on…

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Bulb maker starts to tackle sleep issues

Utah-based Saffron has launched the Drift Light, a smart LED light bulb designed to improve the transition to sleep. Electronics Weekly covered the effect of LED light circadian (sleep-wake) rhythms – scroll down to ‘Sleep’ here. There are a whole bunch of inter-related light effects in the eye…

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Induction lamp competes with LED on price

A US company is attempting to compete with LED light bulbs using induction technology. The Finally Light Bulb Company of Massachusetts makes a lot of claims about the quality of light – for example it has the “first energy-efficient A type light bulb that truly replicates the familiar warm and…

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Sharp LED module is 50W HID halogen replacement

Ismosys has released details of Sharp Microelectronics 50W LED module which is capable of replacing traditional 50W HID halogen lamps in the same performance class, writes Richard Wilson. The 50W Mega Zeni features a luminous efficiency of between 3590 and 4770 lm, a light output of up to 100 lm…

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