Patents by Inventor Wen Qiao
Wen Qiao has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11855607Abstract: An electro-acoustic resonator comprises a piezoelectric substrate on which an electrode structure is disposed. The electrode structure comprises a metal layer of aluminum and copper, a barrier layer forming a barrier against the diffusion of copper and another metal layer disposed on the barrier layer comprising aluminum. An AlCu intermetallic phase formed after an anneal is restricted to the portion beneath the barrier layer so that Galvano-corrosion of the electrode structure is avoided.Type: GrantFiled: April 24, 2019Date of Patent: December 26, 2023Assignee: RF360 Singapore Pte. Ltd.Inventors: Matthias Honal, Tomasz Jewula, Pei Wen Qiao, Siew Li Poh, Siew Ling Koh
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Publication number: 20230213869Abstract: A preparation method (100) for a three-dimensional micro-nano morphological structure manufactured by a laser direct writing lithography machine, comprising: step 110, providing a three-dimensional model diagram; step 120, dividing the three-dimensional model diagram in a height direction to obtain at least one height interval; and step 130, projecting the three-dimensional model diagram onto a plane to obtain a mapping relationship, wherein the mapping relationship comprises coordinates, on the plane, corresponding to each point on the three-dimensional model diagram, and wherein the height of each point on the three-dimensional model diagram corresponds to a height value in a corresponding height interval; and making the mapping relationship correspond to an exposure dose according to the mapping relationship, and performing lithography on the basis of the exposure dose. Any three-dimensional micro-nano morphological structure can be obtained.Type: ApplicationFiled: January 19, 2022Publication date: July 6, 2023Inventors: Linsen CHEN, Donglin PU, Jin ZHANG, Ming ZHU, Pengfei ZHU, Wen QIAO, Haoshu ZHU, Xiaoning LIU, Renjin SHAO, Ying YANG
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Publication number: 20230101961Abstract: The invention relates to image display technology, in particular to a device for rendering an augmented reality image and a system for realizing augmented reality display comprising the device.Type: ApplicationFiled: November 3, 2020Publication date: March 30, 2023Applicant: SVG TECH GROUP CO., LTD.Inventors: Minghui LUO, Wen QIAO, Tangdong CHENG, Ruibin LI, Ling LI, Ping ZHU, Linsen CHEN
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Publication number: 20210075397Abstract: An electro-acoustic resonator comprises a piezoelectric substrate on which an electrode structure is disposed. The electrode structure comprises a metal layer of aluminum and copper, a barrier layer forming a barrier against the diffusion of copper and another metal layer disposed on the barrier layer comprising aluminum. An AlCu intermetallic phase formed after an anneal is restricted to the portion beneath the barrier layer so that Galvano-corrosion of the electrode structure is avoided.Type: ApplicationFiled: April 24, 2019Publication date: March 11, 2021Inventors: Matthias HONAL, Tomasz JEWULA, Pei Wen QIAO, Siew Li POH, Siew Ling KOH
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Patent number: 10837061Abstract: Methods, systems, and devices are disclosed for enrichment and detection of molecules of a target biomarker. In one aspect, In one aspect, a biosensor device for enriching and detecting biomarker molecules include a substrate, and a microarray of hydrophilic islands disposed on the substrate. A sensing area on each of the microarray hydrophilic islands is structured to anchor bio-molecular probes of at least one type for detecting molecules of a target biomarker and to attract an array of nanodroplets of a biomarker solution that includes the target biomarker molecules. A hydrophobic surface is disposed to surround the microarray of hydrophilic islands.Type: GrantFiled: August 23, 2018Date of Patent: November 17, 2020Assignees: The Regents of the University of California, Compliance Decisions, Inc.Inventors: Yu-Hwa Lo, Wen Qiao, Tiantian Zhang, Ian Lian, Tony Minghung Yen
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Patent number: 10725317Abstract: A naked eye 3D display device is provided. The naked eye 3D display device includes a directional projection screen, a laser light source, a red monochromatic laser light source, a green monochromatic laser light source and a blue monochromatic laser light source. Lights emitted by the three monochromatic laser light sources emit incident light on the directional projection screen with nano-grating pixels at specific angles and specific positions, and the same emergent light fields are formed. The laser light source provides multi-perspective image pixels. The multi-perspective image pixels match a nano-grating pixel array on the directional projection screen. By a direct spatial modulation for the laser projection light, colorful 3D display is achieved. There is no crosstalk between various viewpoints. The naked eye 3D display device has no visual fatigue and has a low cost.Type: GrantFiled: March 8, 2016Date of Patent: July 28, 2020Assignees: SVG Optronics, Co., Ltd., Soochow UniversityInventors: Ming Zhu, Linsen Chen, Wenqiang Wan, Minghui Luo, Wen Qiao, Wenbin Huang, Yimin Lou, Donglin Pu, Pengfei Zhu
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Patent number: 10429660Abstract: A directive color filter and a naked-eye 3D display apparatus are provided. The directive color filter includes a color filter and a directive functional structure layer. The color filter includes multiple light filtering units, and each light filtering unit includes at least three light filtering sub-units with different colors. The directive functional structure layer includes multiple structure units, and each structure unit and one light filtering unit are arranged correspondingly. Each structure unit includes at least three structure sub-units. Each structure sub-unit and one light filtering sub-unit are arranged correspondingly. Each structure sub-unit includes multiple nano diffraction gratings.Type: GrantFiled: December 31, 2015Date of Patent: October 1, 2019Assignees: SVG OPTRONICS CO., LTD., SOOCHOW UNIVERSITYInventors: Linsen Chen, Wen Qiao, Ming Zhu, Wenqiang Wan, Wenbin Huang, Donglin Pu, Pengfei Zhu
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Publication number: 20190194751Abstract: Methods, systems, and devices are disclosed for enrichment and detection of molecules of a target biomarker. In one aspect, In one aspect, a biosensor device for enriching and detecting biomarker molecules include a substrate, and a microarray of hydrophilic islands disposed on the substrate. A sensing area on each of the microarray hydrophilic islands is structured to anchor bio-molecular probes of at least one type for detecting molecules of a target biomarker and to attract an array of nanodroplets of a biomarker solution that includes the target biomarker molecules. A hydrophobic surface is disposed to surround the microarray of hydrophilic islands.Type: ApplicationFiled: August 23, 2018Publication date: June 27, 2019Inventors: Yu-Hwa Lo, Wen Qiao, Tiantian Zhang, Ian Lian, Tony Minghung Yen
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Publication number: 20180321500Abstract: A directive colour filter and a naked-eye 3D display apparatus are provided. The directive colour filter includes a colour filter and a directive functional structure layer. The colour filter includes multiple light filtering units, and each light filtering unit includes at least three light filtering sub-units with different colours. The directive functional structure layer includes multiple structure units, and each structure unit and one light filtering unit are arranged correspondingly. Each structure unit includes at least three structure sub-units. Each structure sub-unit and one light filtering sub-unit are arranged correspondingly. Each structure sub-unit includes multiple nano diffraction gratings.Type: ApplicationFiled: December 31, 2015Publication date: November 8, 2018Inventors: Linsen CHEN, Wen QIAO, Ming ZHU, Wenqiang WAN, Wenbin HUANG, Donglin PU, Pengfei ZHU
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Patent number: 10024819Abstract: Techniques, devices and systems are described for incorporating a printed circuit with a microfluidic device and wirelessly powering the microfluidic device. In one aspect, a microfluidic device includes a substrate with a fluidic channel to provide a path for a fluid with particles. The fluidic channel includes fluid inlet and outlet. A pair of electrodes near the inlet and the outlet guides the particles toward a center of the fluidic channel using negative-dielectrophoresis (DEP) effect in response to an alternating current (AC) frequency voltage received at the pairs of electrodes. Additional pairs of electrodes are disposed along a border of the fluidic channel between the pairs of electrodes near the inlet and the outlet of the fluidic channel to isolate a subpopulation of the particles using positive and negative DEP effects in response to AC voltages of different frequencies received at different ones of the additional pairs of electrodes.Type: GrantFiled: October 21, 2011Date of Patent: July 17, 2018Assignees: The Regents of the University of California, Industry-Academic Cooperation Foundation of Sunchon National UniversityInventors: Yu-Hwa Lo, Wen Qiao, Gyoujin Cho, Hwiwon Kang
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Patent number: 9994839Abstract: Methods, systems, and devices are disclosed for capturing, concentrating, and isolating molecules in a fluid.Type: GrantFiled: January 16, 2014Date of Patent: June 12, 2018Assignee: The Regents of the University of CaliforniaInventors: Yu-Hwa Lo, Wen Qiao, Junlan Song
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Patent number: 9862987Abstract: Methods, systems, and devices are disclosed for capturing, concentrating, isolating, and detecting molecules. In one aspect, a molecular probe device includes a molecular probe having a complimentary base pair region initially zipped and structured to include a binding agent to chemically attach the molecular probe to an outer surface of a magnetic bead, and a binding molecule to chemically attach the molecular probe to a substrate of a microfluidic device, in which the complimentary base pair region is configured to hybridize to a complementary nucleic acid sequence of a DNA or RNA molecule.Type: GrantFiled: January 16, 2014Date of Patent: January 9, 2018Assignees: The Regents of the University of California, Departments of Veterans AffairsInventors: Yu-Hwa Lo, Wen Qiao, Junlan Song, Longchuan Chen
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Publication number: 20170363877Abstract: A naked eye 3D display device is provided. The naked eye 3D display device includes a directional projection screen, a laser light source, a red monochromatic laser light source, a green monochromatic laser light source and a blue monochromatic laser light source. Lights emitted by the three monochromatic laser light sources emit incident light on the directional projection screen with nano-grating pixels at specific angles and specific positions, and the same emergent light fields are formed. The laser light source provides multi-perspective image pixels. The multi-perspective image pixels match a nano-grating pixel array on the directional projection screen. By a direct spatial modulation for the laser projection light, colorful 3D display is achieved. There is no crosstalk between various viewpoints. The naked eye 3D display device has no visual fatigue and has a low cost.Type: ApplicationFiled: March 8, 2016Publication date: December 21, 2017Inventors: Ming Zhu, Linsen Chen, Wenqiang Wan, Minghui Luo, Wen Qiao, Wenbin Huang, Yimin Lou, Donglin Pu, Pengfei Zhu
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Patent number: 9484772Abstract: Methods, devices and systems are provided for wirelessly powering and controlling a lab-on-a-chip device. Direct current (DC) and alternating current (AC) signals can be produced at the lab-on-a-chip device in a wireless manner. In some configurations, integrated RF components and optoelectronic components of the lab-on-a-chip device are used to collaboratively produce the DC and AC signals. In other configurations only optoelectronic components on the lab-on-a-chip system can produce the DC and/or AC signals in response to incident light. By modulating the incident light, AC signals of various frequencies and waveforms can be generated. The DC and AC signals can be used by additional integrated electronic circuits and by a microfluidic chip lactated on the lab-on-a-chip device to control the behavior of the bioparticles in the microfluidic device.Type: GrantFiled: November 9, 2011Date of Patent: November 1, 2016Assignee: The Regents Of The University Of CaliforniaInventors: Yu-Hwa Lo, Wen Qiao
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Publication number: 20160258020Abstract: Methods, systems, and devices are disclosed for enrichment and detection of molecules of a target biomarker. In one aspect, In one aspect, a biosensor device for enriching and detecting biomarker molecules include a substrate, and a microarray of hydrophilic islands disposed on the substrate. A sensing area on each of the microarray hydrophilic islands is structured to anchor bio-molecular probes of at least one type for detecting molecules of a target biomarker and to attract an array of nanodroplets of a biomarker solution that includes the target biomarker molecules. A hydrophobic surface disposed to surround the microarray of hydrophilic islands.Type: ApplicationFiled: October 21, 2014Publication date: September 8, 2016Inventors: Yu-Hwa Lo, Wen Qiao, Tiantian Zhang, Ian Lian, Tony Minghung Yen
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Publication number: 20150368635Abstract: Methods, systems, and devices are disclosed for capturing, concentrating, and isolating molecules in a fluid.Type: ApplicationFiled: January 16, 2014Publication date: December 24, 2015Inventors: Yu-Hwa Lo, Wen Qiao, Junlan Song
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Publication number: 20150361483Abstract: Methods, systems, and devices are disclosed for capturing, concentrating, isolating, and detecting molecules. In one aspect, a molecular probe device includes a molecular probe having a complimentary base pair region initially zipped and structured to include a binding agent to chemically attach the molecular probe to an outer surface of a magnetic bead, and a binding molecule to chemically attach the molecular probe to a substrate of a microfluidic device, in which the complimentary base pair region is configured to hybridize to a complementary nucleic acid sequence of a DNA or RNA molecule.Type: ApplicationFiled: January 16, 2014Publication date: December 17, 2015Inventors: Yu-Hwa Lo, Wen Qiao, Junlan Song, Longchuan Chen
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Publication number: 20140061049Abstract: Techniques, devices and systems are described for incorporating a printed circuit with a microfluidic device and wirelessly powering the microfluidic device. In one aspect, a microfluidic device includes a substrate with a fluidic channel to provide a path for a fluid with particles. The fluidic channel includes fluid inlet and outlet. A pair of electrodes near the inlet and the outlet guides the particles toward a center of the fluidic channel using negative-dielectrophoresis (DEP) effect in response to an alternating current (AC) frequency voltage received at the pairs of electrodes. Additional pairs of electrodes are disposed along a border of the fluidic channel between the pairs of electrodes near the inlet and the outlet of the fluidic channel to isolate a subpopulation of the particles using positive and negative DEP effects in response to AC voltages of different frequencies received at different ones of the additional pairs of electrodes.Type: ApplicationFiled: October 21, 2011Publication date: March 6, 2014Inventors: Yu-Hwa Lo, Wen Qiao, Gyoujin Cho, Hwiwon Kang
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Publication number: 20130285477Abstract: Methods, devices and systems are provided for wirelessly powering and controlling a lab-on-a-chip device. Direct current (DC) and alternating current (AC) signals can be produced at the lab-on-a-chip device in a wireless manner. In some configurations, integrated RF components and optoelectronic components of the lab-on-a-chip device are used to collaboratively produce the DC and AC signals. In other configurations only optoelectronic components on the lab-on-a-chip system can produce the DC and/or AC signals in response to incident light. By modulating the incident light, AC signals of various frequencies and waveforms can be generated. The DC and AC signals can be used by additional integrated electronic circuits and by a microfluidic chip lactated on the lab-on-a-chip device to control the behavior of the bioparticles in the microfluidic device.Type: ApplicationFiled: November 9, 2011Publication date: October 31, 2013Applicant: THE REGENTS OF THE UNIVERSITY OF CALIFORNIAInventors: Yu-Hwa Lo, Wen Qiao
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Publication number: 20110118834Abstract: The present invention relates to a fluidic intraocular lens inserted into a capsular bag of an eye to replace a crystalline lens. The fluidic intraocular lens may be shaped by elastic membranes bonded to a support ring. The space inside the device may be filled with optically transparent fluid or gel having an index of refraction greater than the index of vitreous humor. The device may be such designed so that the focusing power of the lens can be changed by the deformation of the capsular bag, which may be subsequently controlled by a ciliary muscle.Type: ApplicationFiled: September 1, 2010Publication date: May 19, 2011Inventors: Yuhwa Lo, Wen Qiao, David Schanzlin, Gary L. Shields, Robert S. Vasko, Jeff Vasko