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Assessment of Advanced Solid-State Lighting (2013) / Chapter Skim
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5 Solid-State Lighting Applications
Pages 72-84

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From page 72...
... , lower energy use compared to incandescent lamps, high OVERVIEW OF APPLICATION TYPES performance in cold environments, long life, and new form factors. Current challenges with SSLs include cost, system Residential and controls compatibility, heat management, power quality, Residential lighting typically consists of recessed downthe failure process, color consistency, and glare issues.
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From page 73...
... Ceramic ming with existing residential dimmers, absence of flicker, metal halide track lighting is used in many grocery stores absence of radio interference, great color rendition, and equal because of the higher light output. light output and similar brightness to incumbent lighting Task lighting offers higher lighting levels for specific technologies will all be imperative for the successful SSL areas and has been traditionally supplied with tungsten halointroduction into the residential market.
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From page 74...
... HPS luminaires have a narrow spectral distribution, luminaires and lamps smoothly without perceptible flicker which provides poorer color rendering properties than white and should be available to dim from 100 percent power to light sources such as metal halide, induction, and SSL. HID 1 percent power.
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From page 75...
... Outdoor SSL luminaires may be dimmed if adaptive stan Small Size dards were to be applied. Adaptive standards are the practice of reducing lighting levels during periods of low activity, The compact size of the SSL modules offers opportunities such as in the middle of the night when many establishments to put lighting in areas that previously had restricted lumiare closed.
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From page 76...
... make for difficulties in the development of omni­ irectional d In addition to achieving excellent color rendering, some lamps replacements for fluorescent and incandescent lamps. SSL sources can create desirable effects, such as increasIn the future this problem could be solved by proper optical ing the saturation of object colors.
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From page 77...
... The next generation of SSL luminaires will be able FINDING: Were OLEDs to become commercially to do those things and perhaps much more: change color, viable, they would provide an opportunity to change the change color rendering properties, and so forth. Because the form factors of how luminaires are designed with smaller ability to control different light properties is determined by sizes, less material, and fewer physical constraints and offer the components in the product, controls will most likely be an ability to change from traditional-looking luminaires to considered integral parts of the luminaires.
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From page 78...
... Non Lighting controls can include dimming, occupancy con- LED luminaires have an easier chance of dissipating heat trols, and color control. Current SSLs do not always grace- compared to LED lamps, where the heat sink is limited to fully mesh with existing installations.
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From page 79...
... Methods include the use of remote phosphor modules or diffusing lenses or by indirectly lighting via reflectors or surfaces so the individual Lighting Quality Issues LEDs are not visible. If SSL is to compete successfully, then its lighting quality should be equal to or better than non-SSL luminaires (IES, Color Rendering, Appearance, and Consistency 2011, p.
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From page 80...
... all LED lamps available in the current market have good color rendering properties. Higher color temperature LED EVALUATING SSL LIGHTING APPLICATIONS modules are more efficacious, encouraging their application.
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From page 81...
... Emerging SSL applications include higher output directional lighting. Because heat management may be an issue with higher output lumen packages, higher-efficacy lamps will help with these applications.
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From page 82...
... . Examples of new form factors for SSL focus on different stages of the integration of cominclude lighted surfaces and objects, which eliminates tradi­ plete lighting products, including LED packages, LED arrays tional luminaire aesthetics.
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From page 83...
... used before, and the quality of color rendering from these light sources was highly variable. The calculation of the DOE has actively supported the consensus process for CRI requires only the spectral power distribution of the light the development of testing and measurement standards.
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From page 84...
... 2010. Advanced Street Lighting Technologies Assessment Project-City The Lighting Handbook.
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Key Terms

  • color rendering
  • ssl products
  • ssl luminaires
  • led lamps
  • lighting levels

  • ssl applications
  • light sources
  • street lighting
  • power quality
  • heat management

  • task lighting
  • accent lighting
  • color temperature
  • form factors
  • fluorescent lamps

  • spectral distribution
  • lumen output
  • operating current
  • rendering properties
  • industrial applications

  • lighting quality
  • lighting technologies
  • white light
  • incandescent lamps
  • measurement standards

  • illuminating engineering
  • engineering society
  • metal halide
  • ssl lighting
  • lighting applications


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