SSL in General Lighting - Energy and Legislative Updates

1. Energy and Legislative issues pertaining to Solid State Lighting Sameer Sodhi General Manager, LED Systems

4. LED value chain: Bridging the gap between discrete devices and system solutions Power + Control Fixture OEM’s OSRAM SYLVANIA Board Heat sink Optics Driver Light Source Chip Package

6. Lighting Technology Comparison: Lamp LPW vs. technology The above graph represents lamp level efficacies. Looking at things from a luminaire efficacy perspective or an application efficacy perspective yields different results

7. 1950 // 100 50 Light source efficacy ( Lumen/Watt) Light Source Efficacy over Time Comparison Year of invention Mercury vapor lamps 1904 CFL 1981 Incandescent 1879 Halogen 1959 Fluorescent 1938 Metal halide lamps 1961 White Power LED 2000 1996 2002 2006 2008 2012

8. LED Device Efficacy Roadmap Instant-on, 350mA Max. Device Efficacy 228lm/W, 6500K, 75CRI Max. Device Efficacy 162lm/W, 3000K, 90CRI Source: Multi-Year program plan, SSL R&D, US D.O.E, prepared by Navigant consulting, March 2008

9. LED Device Cost Roadmap Source: Multi-Year program plan, SSL R&D, US D.O.E, prepared by Navigant consulting, March 2008

10. Breakdown of lighting energy consumption 2001 (US) Quad = quadrillion British thermal units. 10,768 BTU = 1kWh Approximate energy consumption for lighting in 2007 could be as high as 8.8 Quads or 821 TWhr/yr 22 % of all electrical energy consumption in the US is for lighting (Approx. 765 Twh or 8.2 Quads used for lighting in 2001)

11. Lighting Energy Consumption by Sector, 2001 58 TWh/yr 108 TWh/yr 208 TWh/yr 391 TWh/yr

12. Energy consumption by lighting technologies, 2001 321 TWh/yr 313 TWh/yr 130 TWh/yr Total consumption 765 TWh/yr

13. Annual electricity consumption estimates by niche sectors Source: Energy savings estimates of light emitting diodes in niche lighting applications, US D.O.E, prepared by Navigant Consulting, Sep 2008 189 TWh 8.7 TWh 397 TWh Total 12.6 22 Step, Path, and Porch lights 44.7 178.3 Street and area lights Outdoor White-Light Applications 1.4 3.43 Office undershelf lighting 2.2 2.84 Kitchen under-cabinet lighting 13 18.8 Task lighting 7.9 32 Retail display 2.1 0.08 3.6% 13.4 Refrigerated display cases 81.2 103.1 Recessed downlights Indoor White-Light Applications 7.53 0.95 6.1% 11.6 Electric signage 5.18 4.56 88% 2.5 Exit signs 6.3 0.33 5.2% 6.63 Decorative holiday lights 4.85 2.82 52% 2.38 Traffic Signals Colored Lighting Potential Maximum Electricity Savings (TWh) 2007 Electricity Savings realized (TWh) 2007 LED Market Penetration Annual Electricity Consumption (TWh) Application

15. Vertical door freezer case application example LED luminaires can deliver significant energy savings while maintaining acceptable light levels! 100% improvement in efficacy. Significant savings in energy 22W 55W Typical input power (with ballast/power supply) 50 LPW 25 LPW Typ efficacy (LED PS 85%) 4100K 4100K CCT 1100 lm 1400 lm Light exiting fixture (after losses at 20 º F) LED Linear Fluorescent (58W lamp)

16. Vertical door freezer case application examples

17. Recessed downlight application example LED luminaires can meet and exceed CFL luminaire efficacy! 34.5% improvement in efficacy 26W 35W Typical input power (with ballast/power supply) 43.6 LPW 32.4 LPW Typ efficacy (LED PS 85%) 3500K 3500K CCT 1134 lm 1134 lm Light exiting fixture (after losses) 1470 lm 2400 lm Lightsource Lumens LED CFL (32W lamp)

19. Recessed downlight application examples

29. Interior Lighting LED Lighting Examples: Decorative uplighting Lotte Adventure World, Seoul, Korea HF 2 chain

30. Acanto, Milan , Italy LINEARlight Colormix Flex LED Lighting Examples: Decorative coves

31. General Illumination LED Examples: Cove Lighting Jefferson Memorial, Washington DC LINEARlight Flex

32. LED Lighting Examples: Display cases