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Metamaterial Micro-LED Device
This LED uses a hybrid nanostructure to improve efficiency and intensity while avoiding costly transfer processes Background Recently, colloidal quantum dots (QDs) have appeared as promising emissive materials for micro-LEDs that can be used to form display panels without complicated transfer processes. Despite the remarkable luminescence properties...
Published: 3/19/2024   |   Inventor(s): Li-Jing Cheng
Keywords(s):  
Category(s): Engineering
Postprocessing algorithms to minimize fixed pattern artifact and reduce trigger jitter in swept source OCT
Summary OHSU developed post-processing algorithms which could minimize fixed pattern artifact and reduce trigger jitter in swept source optical coherence tomography (SS-OCT). Technology Overview Swept-source OCT has advantages of less fringe washout and faster imaging speeds compared to conventional spectraldomain detection. Therefore, it is attractive...
Published: 9/27/2023   |   Inventor(s): Gangjun Liu, David Huang
Keywords(s):  
Category(s): Device, Imaging, Engineering, Software
Retinomorphic Sensors
This sensor, intended for use in computer vision applications, only produces a signal in response to changes in light conditions. Background Inspired by the way retinal cells respond to light, retinomorphic sensors are hoped to enable faster identification of moving objects than software-based approaches. Unlike conventional optical sensors, such...
Published: 3/22/2024   |   Inventor(s): John Labram
Keywords(s):  
Category(s): Device, Engineering, Imaging, Materials Science, Nanoscience & Microtechnologies, Physical Science, Transportation
Aluminum Oxide Thin Films from Aqueous Precursors
A patented aqueous synthesis route for making high quality alumina thin films of exceptional quality and smoothness Background Aluminum oxide has many desirable properties making it technologically important as a barrier coating, optical film, and as a dieletric thin-film component of electronic devices. The quality of the material varies with...
Published: 2/13/2024   |   Inventor(s): Douglas Keszler, Wei Wang
Keywords(s):  
Category(s): Engineering
Engine Modification for Onboard NG Compression and Refueling
A dual mode engine cylinder that allows a single engine to both operate from and compress natural gas for onboard refueling Background Reciprocating internal combustion engines for passenger and commercial vehicles that are configured to operate on natural gas are commonly available. Internal combustion engines configured to operate using conventional...
Published: 8/25/2023   |   Inventor(s): Christopher Hagen, Guy Babbitt
Keywords(s): Energy Recovery, Mechanical & Areospace Engineering, Transportation
Category(s): Engineering
Engine Modification for Onboard NG Compression and Refueling
A dual mode engine cylinder that allows a single engine to both operate from and compress natural gas for onboard refueling Background Reciprocating internal combustion engines for passenger and commercial vehicles that are configured to operate on natural gas are commonly available. Internal combustion engines configured to operate using conventional...
Published: 2/16/2024   |   Inventor(s): Christopher Hagen, Guy Babbitt, Chris Turner, Nick Echter, Kristina Weyer-Geigel
Keywords(s): Mechanical & Areospace Engineering
Category(s): Engineering
A Low-power Magnetorheological Fluid Clutch
This clutch device enables low-power, rapid, and reversible actuation of soft robotic devices to improve physical human-robot interactions Background Common implementations of soft robotics and compliant mechanisms utilize deformable materials, such as silicone or other elastomers, in their designs. Flexibility and elasticity improve overall compliance,...
Published: 5/21/2024   |   Inventor(s): Joseph Davidson, Nicholas Bira
Keywords(s): clutch, electronics, electropermanent magnets, magnet arrays, magnetorheological fluid, Mechanical & Areospace Engineering, torque
Category(s): Engineering
Cobalt and Nickel FREE Cathodes for Li-Ion Batteries
A composite copper sulfide - alkali metal salt cathode composition for high efficiency, high density alkali metal batteries Background High energy rechargeable batteries are in ever-increasing demand to power consumer electronics and electric vehicles. Although lithium-ion batteries (LIBs) have been successfully used for portable electronics in the...
Published: 8/25/2023   |   Inventor(s): Xiulei (david) Ji, Mingliang Yu
Keywords(s): Batteries
Category(s): Engineering
Improved Thin Film
Background Thin film deposition of metal oxide materials from aqueous solution is challenged by the solubility and gelling behavior of precursors. For example, some metal cations are poorly soluble at neutral pH, but added acid or base is detrimental to substrate stability and film adherence. In addition, soluble salts of metal cations tend to crystallize...
Published: 6/23/2023   |   Inventor(s): May Nyman, Dylan Sures, Nicolas Martin, Tasnim Rahman
Keywords(s):  
Category(s): Chemistry, Chemical, Materials Science, Engineering
Magneto-Acoustic Signal Correlator
By harnessing coupling between magnetic and acoustic domains, this device is efficient for signal processing well into the mm-wave range Background Current acoustic transducers, filters, sensors, and communication systems face issues related to efficiency, frequency selectivity, tunability, and miniaturization. For example, acoustic wave filters...
Published: 11/8/2023   |   Inventor(s): Albrecht Jander, Pallavi Dhagat
Keywords(s):  
Category(s): Engineering, Communications
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