Tech news tagged ‘steve bush’

Cree breaks 10k lm barrier with CXA3050 LED

To its CXA range of multi-die ceramic tile style devices – sometimes known as ‘arrays’ – Cree has added two brighter lighting LEDs, writes Steve Bush. The cool white CXA3050 delivers 6,340 lm (85°C, 52W drive, 5,000K, 75CRI) which is 122 lm/W, and can be pushed to…

Read More

L+B: Molex reveals further solder-free LED connectors

Molex revealed further solder-free LED connectors for light fittings at the Light + Building exhibition in Frankfurt, as well as board to board connectors for lighting, writes Steve Bush. Molex’s LED holders are intended for high-wattage array products where multiple die are mounted on a single ceramic tile…

Read More

LED reddens as it dims for soft lighting

LED Engin is to reveal details of an LED that dims like a halogen bulb, reddening as its output drops, at Light+Building in Frankfurt (15 – 20 April), writes Steve Bush. Dubbed Luxitune, its dimming characteristic is intended to match established expectations in architectural lighting. “This is particularly useful in…

Read More

Light+Building: Cree pushes LED downlighter to 3,000 lm

Cree has extended its LMH2 lighting module family, with 2,000 and 3,000 lm output options, and will be showing them at Light+Building in Frankfurt, writes Steve Bush. Supplied as a fully-enclosed 76mm diameter emitter (88mm flange), the modules are chip-maker Cree’s way of gently…

Read More

Electronics Weekly’s guide to LED heatsinking

Check out the latest in the Electronics Weekly’s ‘big guides’ to LED technology – specifically, to LED heatsinking. Steve Bush, our Technology Editor, begins: In the early days of power LEDs, many lighting firms rushed out solid-state luminaries only to find them failing in service.The problem was heatsinking…

Read More

Simple LED lighting chip offers switch dimming

Supertex has introduced an LED lighting chip with switch dimming. The IC, dubbed HV9801A, dims LED lamp brightness to one of four preset levels through rapid toggling of a light switch, writes Steve Bush. Light levels progress up and down sequentially and if the switch is turned off for more…

Read More

Flexible OLEDs – The state of play

Were we not promised super-thin bendable, flexible and rollable organic LED (OLED) displays? Phones like Samsung’s Galaxy and HTC’s Desire have shown us that the rigid versions can deliver stunning images. So where are those flexies? Steve Bush considers the current state of play…It turns out…

Read More

LED lighing revenues to approach $2bn in 2017

LEDs will become the dominant lighting technology, claims market analyst Frost & Sullivan, writes Steve Bush.

“The world LED market will expand strongly, driven largely by improvements in technology,” said analyst Neetha Jayanth. “Such advances will enable their wider application in illumination and will be further reinforced by measures adopted…

Read More

Marl extends its range of linear LED light strips

Marl is extending its LED strip lighting range. Called Colorbeam, the lights have a 1.6 million RGB colour palette and claimed 25,000 hour life “in a typical application depending on the product specified”, said the firm. “Linear LED lighting strips are growing in popularity as a way of…

Read More

LEDs that are lighting up the market

Steve Bush looks at some of the LED product highlights at the euroLED 2011 exhibition which took place earlier this month in Coventry.Sharp Europe showed its Mega Zeni 15W and 25W LEDs for the first time at this month’s euroLED exhibition in Coventry. Announced in February, the 24x20x1…

Read More