The future of lighting fixture design breaking down the barriers to adoption
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The future of lighting fixture design Breaking down the barriers to adoption. Mark van den Berg. Philips Lumileds. May 2012. Outline. Breaking down barriers to adoption in illumination Efficiency LED packages evolving Efficiency Quality of light Color Binning Reliability.

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

The future of lighting fixture designBreaking down the barriers to adoption

Mark van den Berg

Philips Lumileds

May 2012


Outline

Outline

  • Breaking down barriers to adoption in illumination

    • Efficiency

    • LED packages evolving

    • Efficiency

    • Quality of light

      • Color

      • Binning

      • Reliability


Examples of led mass adoption

Examples of LED mass adoption


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

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


Global trends illuminatio n the led luminaire and lamp market is accelerating

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


Lm w lm by application roadmap drivers continued hunger for lm w retrofit drives lm

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


Doe us department of energy ssl r d roadmap per 2011

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


Trends led packages

Trends – LED Packages

  • LED Lighting Continues to Evolve

  • Application Specific Needs Drive Specialized LED Requirements

  • LEDs Can Deliver Differential Value to the Application


Great light

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


Quality of light and leds

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


Reduction of colour spread

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


Hot testing and colour binning

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


Colour vs angle performance

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


Colour stability over time

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


Conclusions

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


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