The future of lighting fixture design Breaking down the barriers to adoption

1. The future of lighting fixture designBreaking down the barriers to adoption Mark van den Berg Philips Lumileds May 2012

2. Outline • Breaking down barriers to adoption in illumination • Efficiency • LED packages evolving • Efficiency • Quality of light • Color • Binning • Reliability

3. Examples of LED mass adoption

4. Global Trends - illuminationLED adoption forecast (latest Philips Lighting estimates from Financial Week, London – Sept. 15, 2011) • LED penetration forecasted to grow to ~45% by 2015 ~$46B Conventional Light Sources LED

5. Global Trends – illuminationThe LED Luminaire and Lamp Market is accelerating • Market drivers: • Retrofit – bulb: Banning the bulb and lm/$ increase • Office: LED troffer TCO improvement and task Quality of Light exceeding conventional lighting • Outdoor area: System payback reducing from 5-7 years to 2-4 years • Shops & Hospitality: Spot and downlights providing better quality of light • T-LED: Reliability and efficacy with illumination grade LEDs

6. Lm/W Lm/$ by Application Roadmap DriversContinued hunger for Lm/W, retrofit drives Lm/$ Lm/$ Lm/W 1.600 1.400 1.200 1.000 800 600 400 200 0 2011 2012 2013 2014 2015 2011 2012 2013 2014 2015 A style Retrofits Downlights TL Retrofit Troffers Directional Retrofits Spots Outdoor Requirements by application have been translated into requirements to specific LED types

7. DOE – US department of energySSL R&D roadmap per 2011

8. Trends – LED Packages • LED Lighting Continues to Evolve • Application Specific Needs Drive Specialized LED Requirements • LEDs Can Deliver Differential Value to the Application

9. Great Light Quality of Light is Critical for User Acceptance • Realistic, reliable, and predictable performance • Color and Color Rendering Suited to the Application • Quality of Light Suited to the Application • Energy savings on system level • Possibilities to fully utilize “intelligent lighting” with LEDs

10. Quality of Light and LEDs colour Consistency over Lifetime colour in Application colour Consistency in Beam colour Consistency between Sources colour Spectrum and Rendering Performance Drivers

11. Reduction of Colour Spread Standardized to ANSI BBL Cy 2,700K Hue differenceseasier to observe thanCCT differences 3,000K Cx Warm white 2700K and 3000K white binning

12. Hot Testing and ColourBinning • Testing and binning at operating conditions eliminates unknowns, simplifies the design process, lowers costs, and raises confidence • Eliminate light output calculations from 25C to 85C • Eliminate efficacy calculations at operating conditions • Eliminate need to work from de-rating data • Reduce time to develop system • Reduce finished design testing ANSI 2700K ANSI 3000K Simplify solution design – Enable Freedom From Binning

13. Colourvs. Angle Performance LED w/ Advanced Phosphor System Superior colourvs. angle delivers consistent, pure white illumination Standard LED Inconsistent phosphor conversion results in visual tint in the light beam

14. ColourStability over Time / / • colour Stability • < 3-5 SMCD • Part of public LM 80 test report • LumenMaintenance • Often mistaken for reliability • Must meet LM 80 and TM21 requirements • Public LM 80 test report True Reliability… Consistency = Lumen Maintenance = Reliability

15. Conclusions • LED is a proven technology in many markets as well as in illumination • LED efficiency will continue to get better delivering more value to the system • LED Quality will continue to improve and focus on true application needs • Different LED packages to help improve system value • Lm/$ will continue to improve to speed up adoption