session: a lighting designers' led wish list...session: a lighting designers’ led wish list...
TRANSCRIPT
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h o r t o n l e e s b r o g d e n l i g h t i n g d e s i g n | Barbara Horton, LC, IALD, IES President
Session: A Lighting Designers’ LED Wish List
2012 DOE | Solid State Lighting R+D Workshop
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Lighting defines a space, sets a mood, and enhances architectural features, engages the senses. It’s experiential
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Lighting encourages direction, motivation, increased productivity and creates a sense of well-being.
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Light crafts a luminous environment that is both aesthetically and performance oriented.
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Light Form Fusion
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Transformative
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Light Reveals
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Visual Interest
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Inspirational
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Lighting Media
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Light is experiential photos courtesy of ERCO
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Lighting can influence the experience
Technology can support lighting in creating that experience
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Lighting Designer’s LED WISH LIST
Key areas to address
Color
Controllability
Efficiency
Comprehensive Reported Criteria
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Lighting Designer’s LED WISH LIST
Produce LED’s as close to black body curve as possible (no greater than +/- 0.006 Duv)
Color
Color metrics that are meaningful to LED application to understand visual experience
Dynamic color dimming to replicate color shift of incandescent
• CRI including R9 Value • CQS – Color Quality Scale – Adopt • CCT – Correlated Color Temperature • Duv - Max +/- 0.006 (Delta off black body curve) • Delta u’ v’ - Max + 0.04 (Color shift over time)
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Lighting Designer’s LED WISH LIST
Increase efficiency in LED directional sources for comparable alternative to PAR30, PAR38 and PAR56
Increased Efficiency
Tubular LED with color range and better efficiency to exceed existing fluorescent cost, life, watts per linear foot
Narrower beam equal to AR111 (10 degrees)
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Lighting Designer’s LED WISH LIST
Controllability
Smooth dimming to off without “clicks”
Built in intelligence – occupancy sensor in the lamp, end of useful life signal
LED output adjusts light output/power consumption - as LED efficiency improves, we can replace modules in future with equal light output but less energy consumption
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Lighting Designer’s LED WISH LIST
Manufacturer Report (Must include) • Lamp Current • Input Wattage & Power Factor or Volt Amps (preferred) • Lumen Output • Efficacy • CRI including R9 Value • CQS – Color Quality Scale metrics • CCT – Correlated Color Temperature • Duv - Max +/- 0.006 (Delta off black body curve extremes) • Delta u’ v’ - Max + 0.04 (Color shift over time)
Standardized Reported Criteria
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Lighting Designer’s LED WISH LIST
• Parking Garage Luminaire with uplight (relocate heat sink)
• Customizable optics for Roadway fixtures for house side shield to achieve LEED point
• Fixture housings for harsh environments, Natatorium, Marine
• Flood light with equivalents optics, wattage, output to compete w CMHT9 technology
• Five to seven year warranties
• Optical accessories for glare control – roadway luminaires
• Line voltage LED fixtures
Fixture Types and Functional Options
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h o r t o n l e e s b r o g d e n l i g h t i n g d e s i g n
Barbara Horton President [email protected] www.HLBLighting.com
Thank you for the opportunity to share ….