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Accurate Surface Profile of Photonic Structures in Photovoltaic Materials
RPI ID: 2016-055-601Innovation Summary:This invention introduces a photovoltaic material enhanced with photonic crystal structures to increase light absorption. The surface features inverse conical structures with Gaussian-shaped sidewalls that trap and redirect light into the active layer. This design significantly improves the efficiency of solar...
Published: 7/21/2025
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Updated: 7/7/2025
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Inventor(s): Shawn Lin, Anthony Post, Sajeev John, Sergey Eyderman, Mei-Li Hsieh, Ping Kuang
Keywords(s): antireflection, Design, Energy, light trapping, Materials, Nanomaterials, Nanotechnology, Photonic crystals, Photonics, Semiconductors, Solar Technology, thin-film photovoltaics, ultra-thin silicon
Category(s): Nanotechnology and Advanced Materials
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The Design of an Integrate Polarized LED with a Built-In Rotator
RPI ID: 2010-071-401Innovation Summary:RPI researchers created an integrated polarized LED that emits light with a specific polarization without requiring external polarizing components. The device integrates a polarization layer directly into the LED structure, enhancing light efficiency and simplifying optical systems.Challenges / Opportunities:Conventional...
Published: 7/21/2025
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Updated: 7/3/2025
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Inventor(s): Mei-Li Hsieh, Yong Kim, Shawn Lin
Keywords(s):
Category(s): Energy, Environment and Smart Systems
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An Efficient and Directed Nano-LED Emission by a complete elimination of Transverse-electric Guided Mode
RPI ID: 2010-060-401Innovation Summary:This patented technology introduces a nano-rod light-emitting diode (LED) structure that incorporates quantum wells to significantly enhance light extraction and directional emission. By reducing lateral dimensions in the quantum-well plane, the nano-LED achieves improved brightness and optical efficiency in a...
Published: 7/21/2025
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Updated: 7/3/2025
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Inventor(s): Mei-Ling Kuo, Shawn Lin
Keywords(s):
Category(s): Energy, Environment and Smart Systems
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Multi-layer anti-reflection coatings containing at least one nanoporous layer optimized using non-analytical optimization algorithm, such as genetic algorithm
RPI ID: 2008-036-601Innovation Summary:This invention introduces an anti-reflection coating with ultra-low reflectance across a broad spectrum and a wide range of incident angles. The coating achieves less than 6% reflectance from 400–1600 nm and up to 70° incidence. It is ideal for optical devices, solar panels, and sensors requiring high transmission...
Published: 7/21/2025
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Updated: 7/3/2025
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Inventor(s): Sameer Chhajed, Jong Kyu Kim, Mei-Ling Kuo, Shawn Lin, Frank Mont, David Poxson, E. Fred Schubert, Martin Schubert
Keywords(s):
Category(s): Nanotechnology and Advanced Materials
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