Inorganic SolidState Lighting: The Promise and the Materials Challenges - PowerPoint PPT Presentation

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Inorganic SolidState Lighting: The Promise and the Materials Challenges

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LEDs. RYGB White. Phosphor. Down- Conversion. Color. Mixing. SSL Materials Candidates ... 2.3 LEDs. 2.4 Directional Emitters. 2.2 Processing. 3.4 Systems. 3.3 ... – PowerPoint PPT presentation

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Title: Inorganic SolidState Lighting: The Promise and the Materials Challenges


1
(Inorganic) Solid-State LightingThe Promise and
the Materials Challenges
  • Jeff Y Tsao
  • Sandia National Laboratories

Joseph Wright, "An Experiment on a Bird in the
Air Pump" (1768)
Sandia is a multiprogram laboratory operated by
Sandia Corporation, a Lockheed Martin Company,
for the United States Department of Energys
National Security Administration under Contract
DE-AC04-94AL85000.
2
History of Lighting Technology
3
Lighting and Energy Consumption
Courtesy of NASA
4
Lighting and the Human Visual Experience
Joseph Wright, "An Experiment on a Bird in the
Air Pump" (1768)
5
Solid-State Lighting Approaches
Phosphor Down- Conversion
Incandescence
Sunlight
Computer Monitor
Color Mixing
6
SSL Materials Candidates
7
GaN-InN Materials Challenges
8
Solid-State Lighting Sub-Technologies
U.S. Patent Data compiled by Perspectives Seeded
lexical VxInsight map by K Boyack and JY Tsao
(Sandia)
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