OSRAM UK | OEM Seminar 2007 LED - Why Such Interest? With the first generation of thin-film LED… …in 2001 OSRAM pioneered thin-film technology. This technology.

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Presentation transcript:

OSRAM UK | OEM Seminar 2007 LED - Why Such Interest? With the first generation of thin-film LED… …in 2001 OSRAM pioneered thin-film technology. This technology – which makes almost all the light generated in the chip available for use – has given rise to such innovative products as OSTAR ® Projection. The new high-flux LED from OSRAM are powerful enough to be used in mini projectors Compact light source Robust Reliable performance Long life LED and Driver from OSRAM

OSRAM UK | OEM Seminar 2007 What is an LED ? A light emitting diode (LED) is a solid state electronic component An LED produces light by injection luminescence Individual LED’s are referred to as discrete Discrete LED’s are mounted on a printed circuit board PCB for use LED assemblies for lighting are referred to as LED modules

OSRAM UK | OEM Seminar 2007 LED die developments

OSRAM UK | OEM Seminar 2007 What are the advantages of LEDs? Safe low voltage operation A single LED will operate on no more than 3.5V OSRAM LED modules operate at either 10 or 24V Design cost reductions Fit and forget installation Relaxation of localised heating considerations Certain safety systems are not required Cost effective solution Offers new possibilities Compact luminaires More flexible solutions Full colour mixing possible

OSRAM UK | OEM Seminar 2007 The real life Representative lifetime figures based on specific operating conditions InGaAlP (Indium Gallium Aluminium Phosphide) Red 150,000hrs Orange 250,000hrs Yellow 125,000hrs InGaN (Indium Gallium Nitride) Blue/White50,000 – 60,000hrs (with silicone resin) Green 50,000 – 60,000hrs

OSRAM UK | OEM Seminar 2007 The wavelengths

OSRAM UK | OEM Seminar 2007 LINEARlight ® module – LM01A The LINEARlight ® module is a basic, solid board module Supplied in strips: 448mm x 10mm x 5mm containing 32 LEDs = 71 LEDs / metre PCB can be broken down into sub units 56mm x 10mm with 4 LEDs Power consumption: 3.2 to 4 Watts / module = 7.1 to 8.9 Watts / metre Additional lenses can be added A linear solution

OSRAM UK | OEM Seminar 2007 BACKlight ® – LM03A Supplied as a chain of 8 cable connected PCBs 30mm x 30mm x 5mm each containing 4 LEDs PCBs can be separated by cutting the wire links The PCBs can be arranged in 3D shapes if required Power consumption 3.2 to 4W per complete module Depending on spacing between PCBs module length = 240 to 555mm Ideal for signage Signage solutions