Will Your TV Light Your House?

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Fun look at the question if the LED lamps that are going in all the LED TV platforms can cut it in general lighting applications.

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Will Your TV Light Your House?

  1. 1. Will Your TV Light Your House? Mark_McClear@cree.com October 27, 2010
  2. 2. Copyright © 2010 Cree, Inc. pg. 3 Major New LED Application
  3. 3. Copyright © 2010 Cree, Inc. pg. 4 Cool, But Can This Class of LED Light Your House? • What features are needed for general illumination? – Brightness/efficiency – Lifetime (LM-80) – Chromaticity • Right color (ANSI) • Stay the right color • Right binning – Low thermal resistance – Standards conformance – Application-specific (some apps) • Compatibility with secondary optics • High color rendering – Right support • Distribution, applications eng, app notes, data, data, data…
  4. 4. Copyright © 2010 Cree, Inc. pg. 5 Cool, But Can This Class of LED Light Your House? • What features are needed for general illumination? – Brightness/efficiency – Lifetime (LM-80) – Chromaticity • Right color (ANSI) • Stay the right color • Right binning – Low thermal resistance – Standards conformance – Application-specific (some apps) • Compatibility with secondary optics • High color rendering – Right support • Distribution, applications eng, app notes, data, data, data… What’s Happening… LM-80 @ 85˚C, IF max •L70 vs. L50 L70 L50 Package Degradation Chip Degradation
  5. 5. Copyright © 2010 Cree, Inc. pg. 6 ☼ Brightness
  6. 6. Copyright © 2010 Cree, Inc. pg. 7 ☼ Brightness
  7. 7. Copyright © 2010 Cree, Inc. pg. 8 ☼ Brightness
  8. 8. Copyright © 2010 Cree, Inc. pg. 9 ☼ Brightness
  9. 9. Copyright © 2010 Cree, Inc. pg. 10 …What Else is Happening…? • What features are needed for general illumination? – Brightness/efficiency – Lifetime (LM-80) – Chromaticity • Right color (ANSI) • Stay the right color • Right binning – Low thermal resistance – Standards conformance – Application-specific (some apps) • Compatibility with secondary optics • High color rendering – Right support • Distribution, applications eng, app notes, data, data, data… ? ?
  10. 10. Copyright © 2010 Cree, Inc. pg. 11 ☼ Hue
  11. 11. Copyright © 2010 Cree, Inc. pg. 12 ☼ Hue
  12. 12. Copyright © 2010 Cree, Inc. pg. 13 ☼ Hue
  13. 13. Copyright © 2010 Cree, Inc. pg. 14 ☼ Hue
  14. 14. Copyright © 2010 Cree, Inc. pg. 15 ANSI C78.377A~7-step MacAdams ~2-step MacAdams Must Match Incumbent Color Consistency Cree EasyWhite™ ~2/4-steps XLamp MC, MP ~4-step MacAdams XLamp ML, MX, XP
  15. 15. Copyright © 2010 Cree, Inc. pg. 16 Long Learning Curve in Binning… 2007 2009 2006 ANSI C78.377-2008 3000K Quadrangle 2010 2-step 4-step
  16. 16. Copyright © 2010 Cree, Inc. pg. 17 150mm 2x increase in die per wafer Cost is a Learning Curve Also… 100mm
  17. 17. Copyright © 2010 Cree, Inc. pg. 18 FIXTURESLAMPS Lighting Is Not One Application Fitting the LEDs to the application yields better results than forcing the application to the LEDs… MX-6 MC-E MP-L MP-L MX-3 MX-6 ML-E ML-EXP-G XP-G XP-G XP-E XP-EXP-E XP-E XP-E XP-C XM-L LMR4 Lighting-Class LEDs are Not One Product
  18. 18. Copyright © 2010 Cree, Inc. pg. 19 How About This Other Stuff…? • What features are needed for general illumination? – Brightness/efficiency – Lifetime (LM-80) – Chromaticity • Right color (ANSI) • Stay the right color • Right binning – Low thermal resistance – Standards conformance – Application-specific (some apps) • Compatibility with secondary optics • High color rendering – Right support • Distribution, applications eng, app notes, data, data, data… ? 10x higher Rth (˚C/W) Product breadth Don’t Underestimate this one!! Not Trivial ? ? ?
  19. 19. Copyright © 2010 Cree, Inc. pg. 20 • No. • Lighting-class LEDs will • New suppliers will enter the space, but be cautious as they come down the learning curve to Lighting-class – New chips – New packages – New phosphors – New standards – New applications – New support requirements So, Will Your TV Light Your House? XLamp XP-E XLamp MC-E XLamp XR-E XLamp XP-G XLamp MP-L XLamp XP-C XLamp MX-6 XLamp ML-E“Welcome To The Party, Pal” (No remote button for that…)
  20. 20. Copyright © 2010 Cree, Inc. pg. 21

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