Dipl.-Ing. Stefan Hörth
Standard FR4 PCBs for advanced LED lighting LED Light for you Workshop 19.06.2013
Copyright, Häusermann GmbH, 2013
Häusermann GmbH I A-3571 Gars am Kamp I Zitternberg 100 I Tel.: +43 2985 2141 - 9620 I Fax: +43 2985 2141 - 333 I E-Mail:
[email protected]
Standard-FR4 PCBs for LED Lighting. No contradiction…
Add On for Requirement 1
Standard FR4 PCB 1.
2.
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Standard Materials • Well proven FR4 & copper • High reliability / lifetime
Add On for Requirement 2
Standard manufacturing • Common processes • Standard assembling • Cost efficient production
Add On for Requirement 3
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Company Overview
Haeusermann GmbH Located in Austria / Europe
Printed Circuit Board Manufacturing
1907 Founded Innovation leader 2006 Innovation award Austria 2011 European business award Portfolio
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Multilayer HDI / Microvia Boards LED Printed Circuit Boards Thermal management boards High current applications
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Agenda
1
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Thermal Management
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Achieving a low thermal resistance of LED Printed Circuit Boards. Thermal resistance
L Rth = λ·A L …. Length of thermal path [m] λ …. Thermal conductivity [W/(m·K)] A …. Total cross sectional area for heat dissipation [m2]
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Goal: Rapid heatspreading directly below the LED
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Copper offers advanced material properties for HB-LED applications. Thermal conductivity Material
λ [W/mK]
Copper
300
Aluminium
150
Solder
51
Ceramics
24
FR4
0.25
Air (unmoved)
0.026
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x 1.000 x 10.000
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Common solutions: Standard FR4 board FR4 board with “Thermal vias”
L> A
2 x IMS
450 %
- 40 to +85°C
> 3.5 x IMS
100 %
* Results after 6 months testing time
HSMtec Ceramic Data kindly provided by
0
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100 %
200 %
300 %
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Agenda
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Multidimensional LED PCBs
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Multi-dimensional PCBs enable flexible optics and innovative mechanics 3D Printed Circuit Boards
Individual optical orientation of single LEDs Self-supporting stable mechanical structures Innovative design opportunities
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Rapid heat transfer within the board enables innovative thermal concepts 3D HSMtec PCBs
Multi-dimensional technology supports the use of simple and cheap heatsinks for multiple LED clusters Fully integrated thermal and electrical connections within the 3D board
Embedded copper parts to enable
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Electrical connections Heat transfer Mechanical stability
Manufacturing of 3D – PCBs Produced – Populated - Bent
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PCB manufacturing
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Population of components (flat PCB)
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Bending of FR4-PCB
4 Assembly of luminaire
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Innovative PCB designs and mechanics enables advanced LED luminaires Street lighting
Camera lighting module
Mechanically stable PCB segments
Flexible illumination of objects
allow reduced additional cabling and assembly costs
Adjustment of inclination angle for each individual PCB segment
Simplified handling * Pictures: Schreder Group
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* Pictures: Buechner Lichtsysteme
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Innovative PCB designs and mechanics enables advanced LED luminaires Signal light - Helicopter
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Tunnel – Floor light
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Choose the right PCB to meet your requirements. Individual thermal concepts
Innovative optics / designs
High power applications / arrays Partial thermal management
3D concepts for optimized illumination Dispense for add. mounting/cabling effort
Advanced FR4 / copper boards enable Intelligent lighting control
Reliable systems / high lifetime
Use of well proven materials Minimize risk of defects
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Flexible Layout Lighting Intelligence
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Haeusermann Your business partner for…….
…Innovative …Flexible …Powerful …to complete your VISION. www.haeusermann.at Partner of
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Contact We are pleased to assist you throughout the whole design process
COMPETENCE CENTER for LED-LIGHTING Austria, 3571 Gars am Kamp, Zitternberg 100 Phone +43 2985 2141-9620 Fax +43 2985 2141-333 Email
[email protected]
www.haeusermann.at
Copyright © 2013, Häusermann GmbH, Zitternberg 100, A-3571 Gars am Kamp Copying and reposting to other sites only with prior permission of the Häusermann GmbH
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