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Solid State Lighting Site Map

What is Solid-State Lighting?

Ongoing Research

• Electronic Walls and Ceilings Offer Adaptable Solid-State Lighting
• Energy-efficient, Ultra-thin LED Luminaire 

Completed Research — Recent

• Applications Research and Demonstration
  1. Effects of Blue Light on the Sleep Quality of Older Adults
  2. Innovative Lighting Solutions for Senior Care Facilities
  3. LED Aviation Signal Light Brightness
  4. LED Blue Taxiway Luminaires
  5. LEDs for Aircraft Passenger Reading Lights
  6. LEDs: Saving Energy in Retail Windows
  7. Lighting Supermarket Freezers with LEDs
  8. Low-Profile LED Fixtures for Elevators
  9. Luminance Requirements for Commercial Signage
  10. Remote Airfield Lighting Systems
• Color and Optics
  1. Chromaticity Shifts in High-Power White LED Systems Due to Different Dimming Methods
  2. Developing Color Tolerance Criteria for White LEDs
  3. SPE Technology for Mixed-Color LEDs
• LED Performance, Reliability and Life Prediction
  1. Benchmarking High-Flux LEDs: A Life Test
  2. Characterizing the Thermal Resistance Coefficient of LEDs
  3. Effects of Dimming on High-power LEDs
  4. Extracting More Light From LEDs
  5. High-Efficiency, Nitride-Based Solid-State Lighting
  6. The Impact of Temperature and Phosphor Concentration on the Refractive Index of LED Encapsulants
  7. Improving White LED Efficiency Through Scattered Photon Extraction (SPE^TM)
  8. Nanocrystal Quantum Dots for Use in White LED Lighting Systems
  9. Solar-powered LED Lighting for Buildings

Completed Research Archives

• Applications Research and Demonstration
  1. Evaluating LEDs for Outdoor Signage Application
  2. Evaluating White LEDs for Outdoor Landscape Lighting Application
  3. Refrigerated Display Case Lighting with LEDs
  4. Use of Colored Light in Display Lighting 
• Color and Optics
  1. Discriminable Color and Brightness Differences in White LEDs 
  2. Optical Elements for Mixing Colored LEDs to Create White Light
• LED Performance, Reliability and Life Prediction
  1. Non-contact Method for Determining Junction Temperature in White LEDs 
  2. Performance Characteristics of High-Power LEDs
  3. Performance Characteristics of Light Emitting Diodes
  4. Projecting the Useful Life of LED Lighting Systems
• Metrics
  1. Color Rendering Index for LED Light Sources
  2. Determining Constrast Sensitivity Functions for LEDs

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