Abstract: This disclosure relates generally to the three-dimensional (3D) integrated thin-film transistors (TFTs) with silicon and metal-oxide (MO) semiconductors as the active layers. In one or more embodiments, an apparatus is provided that comprises a first transistor comprising a silicon active layer, and a second transistor comprising a metal oxide active layer. The second transistor is vertically stacked on the first transistor, and the first transistor and the second transistor share a gate electrode formed between the silicon active layer and the metal oxide active layer. With these embodiments, the gate electrode corresponds to a top gate of the first transistor and a bottom gate of the second transistor.
Type:
Grant
Filed:
February 20, 2018
Date of Patent:
December 10, 2019
Assignee:
The Hong Kong University of Science and Technology
Inventors:
Lei Lu, Wei Zhou, Man Wong, Hoi Sing Kwok
Abstract: A material for moisture removal and/or water harvesting from air may include a hydrophilic material containing micropores and a low water activity material confined within the micropores of the hydrophilic material. Apparatuses containing such materials and methods for moisture removal and/or water harvesting from air by using such materials are also described.
Type:
Grant
Filed:
October 14, 2015
Date of Patent:
November 26, 2019
Assignee:
The Hong Kong University of Science and Technology
Abstract: A method for fabricating quantum rods includes: preparing a Cd-precursor; preparing a S-precursor and CdSe seeds; preparing a Zn-precursor; mixing the S-precursor and the CdSe seeds with the Cd-precursor in a reaction mixture; adding the Zn-precursor to the reaction mixture; stopping the reaction; and performing a purification process to obtain the quantum rods.
Type:
Application
Filed:
April 10, 2019
Publication date:
October 10, 2019
Applicant:
The Hong Kong University of Science and Technology
Inventors:
Maksym F. Prodanov, Valerii Vladimirovich Vashchenko, Abhishek Kumar Srivastava, Hoi Sing Kwok
Abstract: A method of fabricating a hybrid organic-inorganic halide perovskite film includes depositing a precursor layer onto a substrate, the precursor layer comprising metal halide, placing an organic source-material layer onto a boat, the organic source-material layer comprising an organic cation, and annealing the precursor layer and the organic source-material layer in a vacuum chamber enclosed in a constrained volume.
Type:
Grant
Filed:
August 17, 2016
Date of Patent:
August 13, 2019
Assignee:
The Hong Kong University of Science and Technology
Inventors:
Hoi Sing Kwok, Guijun Li, Yeuk Lung Jacob Ho, Man Wong
Abstract: A passive thermal diode (10), comprising: a heat source (12); a heat sink (14); a thermal coupling element (16) removably coupled to the heat source (12) and the heat sink (14); a lever (18), the lever (18) connected to the thermal coupling element (16) via a pivot point (19); and at least one spring (20) connected to the lever (18), the spring (20) comprised of a shape memory alloy, wherein the lever (18) transmits a force to displace the thermal coupling element (16) when the force is produced by the spring (20) on the lever (18).
Type:
Grant
Filed:
July 14, 2016
Date of Patent:
July 30, 2019
Assignee:
The Hong Kong University of Science and Technology
Abstract: A three-broadside-mode patch antenna includes: a rotationally symmetric radiator; a patch, wherein the patch is separated from the rotationally symmetric radiator by a dielectric and configured to capacitively feed the rotationally symmetric radiator; and three antenna probes, connected to the patch, configured to provide three antenna ports corresponding to three respective broadside radiation polarizations.
Type:
Application
Filed:
December 14, 2018
Publication date:
June 27, 2019
Applicant:
The Hong Kong University of Science and Technology
Abstract: A UV radiation detector includes: a diode including a substrate having a first side and a second side, the first side and the second side being located on opposing faces of the substrate, an active layer including rocksalt phase crystalline structure CaS disposed on the first side of the substrate, an electrical contact disposed on the second side of the substrate, and a semi-transparent conducting layer disposed on the active layer; and a circuit connecting the semi-transparent conducting layer and the electrical contact. The UV radiation detector detects radiation having a wavelength between 200 and 280 nm.
Type:
Application
Filed:
February 1, 2019
Publication date:
May 30, 2019
Applicant:
The Hong Kong University of Science and Technology
Inventors:
Qinglin He, Ying Hoi Lai, Yi Liu, Iam Keong Sou
Abstract: A meta-solid-state battery includes a first layer disposed on a first current collector, a second layer disposed on a second current collector, and third layer disposed between the first layer and the second layer. The first layer and the second layer are the cathode and anode electrodes. The third layer includes a first meta-solid-state electrolyte material. Each of the cathode and anode electrodes contain: an active material in an amount ranging from approximately 70% to 99.98% by weight, a carbon additive in an amount ranging from approximately 0.010% to 20% by weight, and a second meta-solid-state electrolyte material in an amount ranging from approximately 0.010% to 10% by weight. The first and second meta-solid-state electrolyte material include a gel polymer.
Type:
Application
Filed:
May 3, 2016
Publication date:
May 30, 2019
Applicant:
The Hong Kong University of Science and Technology
Inventors:
Matthew Ming-Fai Yuen, Francesco Ciucci, Stephen Chin-To Kwok, Kan Kan Yeung
Abstract: The present application provides a Capillary number-based method of isolating circulating rare cells from a blood sample from a subject using filtration parameters determined based on the measurement of hemorheological parameters of the sample. The present application also provides a method for determining filtration parameters in a microfluidic elasto-filtration process for isolating circulating rare cells from a blood sample from a subject. The present application further provides a device for isolating circulating rare cells from a blood sample from a subject and a non-transitory computer storage medium for performing methods described in the present application.
Type:
Application
Filed:
April 26, 2017
Publication date:
May 16, 2019
Applicant:
The Hong Kong University of Science and Technology
Abstract: A photoaligned quantum rod enhancement film (QREF) includes: a substrate (802, 805); a photoalignment layer deposited on the substrate (802, 805); and a polymer layer deposited on the photoalignment layer, the polymer layer comprises a plurality of quantum rods, the plurality of quantum rods are configured to emit one or more wavelengths of light in response to pumping light, and are aligned to an alignment axis based on the photoalignment layer.
Type:
Application
Filed:
May 10, 2017
Publication date:
May 2, 2019
Applicant:
The Hong Kong University of Science and Technology
Inventors:
Abhishek Kumar SRIVASTAVA, Wanlong ZHANG, Vladimir Grigorievich CHIGRINOV, Hoi Sing KWOK
Abstract: Embodiments disclosed herein represent powder based additive manufacturing processes which provide a microstructure having improved mechanical properties. The methods may include the use of ultrasonic excitation in combination with the active control of a substrate's temperature to provide some level of control over the microstructure and hence the properties.
Type:
Application
Filed:
December 9, 2016
Publication date:
December 20, 2018
Applicant:
The Hong Kong University of Science and Technology
Inventors:
George Alexandru Tilita, Wenhao Chen, Chi Fong Kwan, Matthew Ming Fai Yuen
Abstract: Interference alignment for a multiple-input multiple-output communications network with partial connectivity is provided. A method is provided that includes determining assignments for data streams transmitted in the multiple-input multiple-output communications network. The method also includes suppressing inter-cell interference and suppressing intra-cell interference. Also provided is inter-cell/intra-cell decomposition and exploitation of partial connectivity in a multiple-input multiple-output communications network. The multiple-input multiple-output communications network can comprise three or more cells.
Type:
Grant
Filed:
February 21, 2013
Date of Patent:
December 18, 2018
Assignee:
The Hong Kong University of Science and Technology
Inventors:
Liangzhong Ruan, Vincent Kin Nang Lau, Xiongbin Rao
Abstract: A fabrication method of a polarization grating is provided. The method includes providing a polarization-sensitive material; and causing two orthogonally polarized lights to scan the polarization-sensitive material and to meet on the polarization-sensitive material.
Type:
Grant
Filed:
May 31, 2017
Date of Patent:
November 27, 2018
Assignees:
The Hong Kong University of Science and Technology, Himax Display, Inc.
Abstract: A method for forming deformation crystal twins in piezoelectric materials is disclosed. The method includes obtaining a crystalline piezoelectric material and deforming the crystalline piezoelectric material using a load. The method also includes heating the deformed crystalline piezoelectric material in an oxidative atmosphere to a predetermined temperature for a predetermined time to form a plurality of deformation crystal twins in the crystalline piezoelectric material. The method also includes allowing the crystalline piezoelectric material to cool to room temperature, and removing the load that induces the deformation of the crystalline piezoelectric material. Additionally, the deformation of the crystalline piezoelectric material is achieved by at least one of the following: compressing, stretching, shearing, torsion, and bending of the crystalline piezoelectric material.
Type:
Grant
Filed:
November 17, 2015
Date of Patent:
October 30, 2018
Assignee:
The Hong Kong University of Science and Technology
Abstract: The present invention provides compositions and methods for treating, preventing, and inhibiting viral replication, viral infections and viral diseases and disorders, comprising the use of artemisinin derivatives having anti-viral activity.
Type:
Grant
Filed:
November 25, 2016
Date of Patent:
October 30, 2018
Assignees:
Hadasit Medical Research Services and Development Ltd., The Hong Kong University of Science and Technology
Abstract: A digital linear voltage regulator includes a power stage (208), arranged in a hierarchical grouping of power stage units. The power stage (208) is configured to deliver power to a load (212). The digital linear voltage regulator further includes a mixed-signal controller (206), configured to control each power stage unit in the power stage (208) by conditionally adjust a number of active power stage units in the power stage (208) based on a comparison of a feedback voltage of the load (212) and a reference voltage; wherein the hierarchical grouping of power stage units comprises N levels; wherein the power stage (208) comprises a number of MN Nth level units, and an Nth level unit comprising a number of MN?1 (N?1)th level units; and wherein N is an integer greater than or equal to 3, and MN and MN?1 are integers greater than or equal to 1.
Type:
Grant
Filed:
June 13, 2016
Date of Patent:
October 23, 2018
Assignee:
The Hong Kong University of Science and Technology
Abstract: A device (1) comprises: a cylindrical shell (4); a first spring (5) encased inside the cylindrical shell (4); a second spring (6) encased inside the cylindrical shell (4); a separator (13) in the cylindrical shell (4) separating the first and second springs (5, 6); a first end plate (12) on a first side (13a) of the separator (13) and a second end plate (11) on a second side (13b) of the separator (13); a first rod (2) and a second rod (3) passing openings (20a, 20b) provided at each end of the cylindrical shell (4), with the first rod (2) connected to the first end plate (12) and the second rod (3) connected to the second end plate (11); and a spacer (14) inserted between the first end plate (12) and the first spring (5).
Type:
Application
Filed:
January 4, 2017
Publication date:
September 27, 2018
Applicant:
The Hong Kong University of Science and Technology
Inventors:
Charles Wang Wai Ng, Clarence Edward Choi, Dongri Song
Abstract: A passive thermal diode (10), comprising: a heat source (12); a heat sink (14); a thermal coupling element (16) removably coupled to the heat source (12) and the heat sink (14); a lever (18), the lever (18) connected to the thermal coupling element (16) via a pivot point (19); and at least one spring (20) connected to the lever (18), the spring (20) comprised of a shape memory alloy, wherein the lever (18) transmits a force to displace the thermal coupling element (16) when the force is produced by the spring (20) on the lever (18).
Type:
Application
Filed:
July 14, 2016
Publication date:
July 19, 2018
Applicant:
The Hong Kong University of Science and Technology
Abstract: A diode, UV radiation detector, and method of manufacturing semiconductor device that includes a diode with a substrate having a first side and a second side. The diode includes an active layer having a rocksalt phase crystalline structure of CaS disposed on the first side of the substrate, and an electrical contact disposed on the second side of the substrate. The diode also includes a semi-transparent conducting layer disposed on the active layer. The UV radiation detector includes the diode and circuitry connecting the semi-transparent conducting layer and the electrical contact. The UV radiation detector may detect radiation having a wavelength between 220 and 280 nm. The substrate may have a lattice mismatch between 0.47% and 12.6% with respect to the active layer.
Type:
Application
Filed:
July 6, 2016
Publication date:
July 12, 2018
Applicant:
The Hong Kong University of Science and Technology
Inventors:
Qinglin He, Ying Hoi Lai, Yi Liu, Iam Keong Sou
Abstract: A thermal radiation microsensor can comprise thermoelectric micro pillars, in which multiple vertically standing thermoelectric micro pillars can act as thermoelectric pairs and mechanical support of an absorption layer. Radiation absorbed by the absorption layer can produce a temperature difference, which drives the thermocouple comprising p-type and n-type micro pillars to output a voltage. Multiple thermocouples can be connected in series to improve the signal output.
Type:
Grant
Filed:
April 22, 2016
Date of Patent:
May 22, 2018
Assignee:
The Hong Kong University of Science and Technology