Patents by Inventor Lei Xing
Lei Xing 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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Publication number: 20190131529Abstract: A manufacturing method of an OLED anode and display device are provided, which the former method comprises the steps: forming an anode-film layer, a material is an ITO, on a substrate; forming a photoresist-film layer on the anode-film layer; patterning the photoresist-film layer to acquire a photoresist-mask pattern, which comprises: an area of photoresist full-retention, photoresist half-retention, and a photoresist full-removal, wherein the photoresist area of half-retention is located between the full-retention and the full-removal; etching the anode film layer to acquire an anode pattern; removing the photoresist half-retention area; perform a plasma treatment to a portion of the anode pattern outside the photoresist full-retention area by adopting a first gas, comprising at least one of O2, N2O, CF4, Ar; removing the photoresist-mask pattern.Type: ApplicationFiled: November 20, 2017Publication date: May 2, 2019Inventor: Lei XING
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Publication number: 20190110776Abstract: This invention describes methods to compute coronary physiology indexes using a high precision registration model, which consists of acquiring coronary angiography images of coronary vessels, performing intravascular imaging, and registering the coronary angiography images with intravascular images to create a high precision registration model, based upon which the coronary flow, fractional flow reserve (FFR) and index of microcirculation resistance (IMR) can be computed. The methods described in this invention to compute coronary flow, FFR, IMR are based on both coronary angiography and intravascular images, and the accuracy is better than those derived from coronary angiography alone or intravascular imaging alone, and have high practical values.Type: ApplicationFiled: October 8, 2018Publication date: April 18, 2019Applicant: Panorama Scientific Co. LtdInventors: Bo Yu, Haibo Jia, Sining Hu, Jiannan Dai, Lei Xing, Chenyang Xu, Zhao Wang, Shuai Zhang
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Publication number: 20190094595Abstract: The present application provides a display panel, including a first substrate, a liquid crystal layer, a second substrate, and a spacer. The liquid crystal layer is disposed between the first substrate and the second substrate, the spacer is used for supporting the first substrate and the second substrate, a positioning structure is disposed between the spacer and the second substrate, the positioning structure includes a groove, one end of the spacer is received in the groove, and the groove is used for positioning the spacer. The present application also provides a method for manufacturing a display panel.Type: ApplicationFiled: August 8, 2018Publication date: March 28, 2019Inventors: Lei XING, Xi LUO, Bing GONG, Xuemin LIU, Zhonghao DING
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Publication number: 20190091485Abstract: A radiation therapy treatment method includes providing a patient model, dosimetric constraints, delivery motion constraints, and delivery coordinate space of a radiation delivery device, where the delivery coordinate space is represented as a mesh with vertices connected by edges, where the vertices correspond to directions of a beam eye view (BEV) of the radiation delivery device. BEV region connectivity manifolds are constructed from the patient model, the dosimetric constraints, the delivery coordinate space, and existing beam trajectories, wherein each of the BEV region connectivity manifolds represents connections between contiguous 2D target regions. Beam trajectories are selected based on region connectedness information in the BEV region connectivity manifolds, the dosimetric constraints, the delivery motion constraints, and the existing beam trajectories. Radiation is delivered using the radiation delivery device in accordance with the selected beam trajectories.Type: ApplicationFiled: November 28, 2018Publication date: March 28, 2019Inventors: Karl Bush, Michael J. Hadsell, Christopher Locke, Lei Xing
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Patent number: 10232392Abstract: A sealant applying device and a working method thereof, and a sealant applying apparatus are disclosed. The sealant applying device includes a nozzle; the nozzle includes an air inlet portion and a sealant outflow portion, a switch plate is arranged below the sealant outflow portion, the switch plate includes a plate body configured to horizontally move between a first state and a second state, one end of the plate body is provided with a through hole, and a discharge portion is provided at a position corresponding to the through hole and on a side of the plate body facing away from the sealant outflow portion.Type: GrantFiled: November 1, 2016Date of Patent: March 19, 2019Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.Inventors: Wenchao Feng, Xiaoqiang Zeng, Hongyu Zhang, Lei Xing
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Patent number: 10213621Abstract: A radiation therapy treatment method includes providing a patient model, dosimetric constraints, delivery motion constraints, and delivery coordinate space of a radiation delivery device, where the delivery coordinate space is represented as a mesh with vertices connected by edges, where the vertices correspond to directions of a beam eye view (BEV) of the radiation delivery device, where each BEV has corresponding area elements resulting from beam collimation. BEV region connectivity manifolds are constructed from the patient model, the dosimetric constraints, the delivery coordinate space, and existing beam trajectories, wherein each of the BEV region connectivity manifolds represents connections between contiguous 2D target regions, where each of the 2D target regions is defined at each of the vertices of the delivery coordinate space.Type: GrantFiled: June 13, 2017Date of Patent: February 26, 2019Assignee: The Board of Trustees of the Leland Stanford Junior UniversityInventors: Karl Bush, Michael Hadsell, Christopher Locke, Lei Xing
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Publication number: 20180207687Abstract: The disclosure provides a liquid blade, the liquid blade includes water inlets, a water outlet and a waste storage groove, the water outlet is communicated with an upper section of the waste storage groove. Liquid enters the waste storage groove through the water inlets and draining through the water outlet. The liquid blade provided by the disclosure collects residue by the waste storage groove to prevent clogging of the water outlet of the liquid blade.Type: ApplicationFiled: July 20, 2016Publication date: July 26, 2018Applicant: Wuhan China Star Optoelectronics Technology Co., L td.Inventor: Lei XING
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Publication number: 20180093285Abstract: A sealant applying device and a working method thereof, and a sealant applying apparatus are disclosed. The sealant applying device includes a nozzle: the nozzle includes an air inlet portion and a sealant outflow portion, a switch plate is arranged below the sealant outflow portion, the switch plate includes a plate body configured to horizontally move between a first state and a second state, one end of the plate body is provided with a through hole, and a discharge portion is provided at a position corresponding to the through hole and on a side of the plate body facing away from the sealant outflow portion.Type: ApplicationFiled: November 1, 2016Publication date: April 5, 2018Inventors: Wenchao FENG, Xiaoqiang ZENG, Hongyu ZHANG, Lei XING
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Patent number: 9861834Abstract: A method of radiation therapy planning and delivery is provided that includes introducing a demand metric, using a volumetric modulation arc therapy system, to select a spatially optimized and non-uniform set of station or control points to be used for intensity modulation, where the set of station or control points are uniform or non-uniform, and selecting a set of control points at different gantry angles, using the volumetric modulated arc therapy system, and using the demand metric to prioritize which station or control point receives intensity modulation, where the volumetric modulated arc therapy system is differentially boosted at selected angles by inserting additional segments to the station, where the inserted additional apertures dosimetrically boost desired regions in a planning target volume to improve planning target volume coverage in a single arc rotation while sparing sensitive structures.Type: GrantFiled: May 2, 2014Date of Patent: January 9, 2018Assignee: The Board of Trustees of the Leland Stanford Junior UniversityInventors: Lei Xing, Ruijiang Li
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Publication number: 20170354832Abstract: A radiation therapy treatment method includes providing a patient model, dosimetric constraints, delivery motion constraints, and delivery coordinate space of a radiation delivery device, where the delivery coordinate space is represented as a mesh with vertices connected by edges, where the vertices correspond to directions of a beam eye view (BEV) of the radiation delivery device, where each BEV has corresponding area elements resulting from beam collimation. BEV region connectivity manifolds are constructed from the patient model, the dosimetric constraints, the delivery coordinate space, and existing beam trajectories, wherein each of the BEV region connectivity manifolds represents connections between contiguous 2D target regions, where each of the 2D target regions is defined at each of the vertices of the delivery coordinate space.Type: ApplicationFiled: June 13, 2017Publication date: December 14, 2017Inventors: Karl Bush, Michael Hadsell, Christopher Locke, Lei Xing
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Publication number: 20170355555Abstract: A method of operating an elevator system for a learn run sequence including the steps of moving, using a linear propulsion system, an elevator car through a lane of an elevator shaft at a selected velocity; detecting, using a sensor system, the location of the elevator car when it moves through the lane; controlling, using a control system, the elevator car, the control system being in operable communication with the elevator car, the linear propulsion system, and the sensor system; and determining, using the control system, a location of each of the car state sensors relative to each other within the lane in response to at least one of a travel time of the elevator car, a velocity of the elevator car, a position of the elevator car, and a height of the elevator car.Type: ApplicationFiled: June 12, 2017Publication date: December 14, 2017Inventors: David Ginsberg, Shashank Krishnamurthy, Lei Xing, Penghe Geng, Ankit Anand Gupta, Yogesh Parmod Jadhav, Basavanagouda Goudra, Pramod Mandikal Gurukumar
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Publication number: 20170348525Abstract: A ratio of reversible electroporation and irreversible electroporation may be controlled by selecting a symmetric waveform or asymmetric waveform to either minimize or enhance irreversible effects on cells in the target tissue. Combined reversible and irreversible electroporation includes inserting one or more therapeutic electrodes into a target tissue, introducing an electroporation compound into the target tissue, selecting a pulse waveform that is either 1) asymmetric bipolar that has positive and negative pulses with different durations, or 2) symmetric bipolar that has positive and negative pulses with the same duration, and delivering to the target tissue a series of electrical pulses having the selected pulse waveform.Type: ApplicationFiled: June 7, 2017Publication date: December 7, 2017Inventors: Michael Sano, Lei Xing
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Publication number: 20170157427Abstract: A method of real-time radiotherapy beam visualization is provided that includes disposing a free-form flexible scintillating sheet on a subject of interest, irradiating the subject of interest with a source of ionizing radiation, where the free-forming flexible scintillating sheet emits light when irradiated by the therapeutic photon beam, collecting the emitted light and collecting ambient light reflected from the subject of interest and surrounding objects using a camera, where the collected light is converted to image data by the camera, where the image data is communicated to an appropriately programmed computer, and processing the image data to determine beam characteristics and the characteristics of the subject of interest, using the appropriately programmed computer, where the beam characteristics and the characteristics of the subject of interest are displayed in real-time to a machine operator enabling real-time verification of treatment delivery.Type: ApplicationFiled: February 16, 2017Publication date: June 8, 2017Inventors: Lei Xing, Dominik Jan Naczynski, Cesare Jenkins
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Patent number: 9604077Abstract: A method of real-time radiotherapy beam visualization is provided that includes disposing a free-form flexible scintillating sheet on a subject of interest, irradiating the subject of interest with a source of ionizing radiation, where the free-forming flexible scintillating sheet emits light when irradiated by the therapeutic photon beam, collecting the emitted light and collecting ambient light reflected from the subject of interest and surrounding objects using a camera, where the collected light is converted to image data by the camera, where the image data is communicated to an appropriately programmed computer, and processing the image data to determine beam characteristics and the characteristics of the subject of interest, using the appropriately programmed computer, where the beam characteristics and the characteristics of the subject of interest are displayed in real-time to a machine operator enabling real-time verification of treatment delivery.Type: GrantFiled: June 15, 2015Date of Patent: March 28, 2017Assignee: The Board of Trustees of the Leland Stanford Junior UniversityInventors: Lei Xing, Dominik Jan Naczynski, Cesare Jenkins
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Patent number: 9550076Abstract: A method of electronic portal imaging (EPID) for radiation dosimetric measurement and quality assurance (QA) in radiation therapy is provided that includes imaging a calibration photon beam and a treatment beam using an EPID imager disposed between a plastic water build-up phantom and a plastic water back-scatter phantom that is thicker than the plastic water build-up phantom, correcting the EPID images using an off-axis correction map that takes into account a horn-shape of a photon fluence profile, deconvolving the corrected EPID images using a Monte Carlo simulated EPID response kernel, the deconvolved corrected EPID images provide a primary photon fluence map, reconstructing a relative dose map using the primary photon fluence map convolving with a Monte Carlo simulated pencil-beam dose distribution kernel, and generating an absolute dose map using cross calibration to a 10×10 cm2 square field that is compared with a planned dose distribution for QA analysis.Type: GrantFiled: January 13, 2014Date of Patent: January 24, 2017Assignee: The Board of Trustees of the Leland Stanford Junior UniversityInventors: Bin Han, Lei Xing
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Patent number: 9456794Abstract: Molecular imaging of radioluminescent nanoparticle probes injected into biological tissue is performed by irradiated the tissue with ionizing radiation to induce radioluminescence at optical wavelengths, preferably at predetermined near infrared wavelengths. The optical light is detected and processed to determine a spatial distribution of the probes. The radioluminescent nanoparticles may be inorganic or organic phosphors, scintillators, or quantum dots. Imaging systems realizing this technique include tomographic systems using an x-ray beam to sequentially irradiate selected regions, systems with a radioactive source producing the ionizing radiation from outside the tissue, such as with a beam, or inside the tissue, such as with an endoscope or injected radiopharmaceutical.Type: GrantFiled: April 8, 2011Date of Patent: October 4, 2016Assignee: The Board of Trustees of the Leland Stanford Junior UniversityInventors: Colin M Carpenter, Lei Xing, Guillem Pratx, Conroy Ghin Chee Sun
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Patent number: 9270159Abstract: A circuit for providing damping in an electromagnetic interference (EMI) filter with an inductor-capacitor (LC) circuit, includes at least one capacitor connected to receive a common-mode current from the LC circuit; a current sensor that senses the common-mode current; a linear amplifier that amplifies the sensed common-mode current; and a power amplifier that receives the amplified sensed common-mode current and outputs a voltage which creates a damping impedance for frequencies of the common-mode current less than a threshold frequency and absorbs the common-mode current for frequencies greater than the threshold frequency.Type: GrantFiled: August 7, 2012Date of Patent: February 23, 2016Assignee: Hamilton Sundstrand CorporationInventors: Miaosen Shen, Ming Li, Lei Xing
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Patent number: 9227085Abstract: An inverse planning method that is capable of controlling the appearance of the implanted fiducial(s) in segmented IMRT fields for cine MV or combined MV/kV image-guided IMRT is provided. The method for radiation treatment includes computing a radiation treatment plan and delivering beams to a target in accordance with the radiation treatment plan, where computing the radiation treatment plan includes introducing a penalty in an inverse planning objective function optimization calculation to discourage or avoid blockage of one or more fiducials in optimized multi-leaf collimator (MLC) apertures.Type: GrantFiled: March 2, 2011Date of Patent: January 5, 2016Assignee: The Board of Trustees of the Leland Stanford Junior UniversityInventors: Yunzhi Ma, Paul J. Keall, Lei Xing
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Publication number: 20150360056Abstract: A method of real-time radiotherapy beam visualization is provided that includes disposing a free-form flexible scintillating sheet on a subject of interest, irradiating the subject of interest with a source of ionizing radiation, where the free-forming flexible scintillating sheet emits light when irradiated by the therapeutic photon beam, collecting the emitted light and collecting ambient light reflected from the subject of interest and surrounding objects using a camera, where the collected light is converted to image data by the camera, where the image data is communicated to an appropriately programmed computer, and processing the image data to determine beam characteristics and the characteristics of the subject of interest, using the appropriately programmed computer, where the beam characteristics and the characteristics of the subject of interest are displayed in real-time to a machine operator enabling real-time verification of treatment delivery.Type: ApplicationFiled: June 15, 2015Publication date: December 17, 2015Inventors: Lei Xing, Dominik Jan Naczynski, Cesare Jenkins
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Publication number: 20150343241Abstract: A method of electronic portal imaging (EPID) for radiation dosimetric measurement and quality assurance (QA) in radiation therapy is provided that includes imaging a calibration photon beam and a treatment beam using an EPID imager disposed between a plastic water build-up phantom and a plastic water back-scatter phantom that is thicker than the plastic water build-up phantom, correcting the EPID images using an off-axis correction map that takes into account a horn-shape of a photon fluence profile, deconvolving the corrected EPID images using a Monte Carlo simulated EPID response kernel, the deconvolved corrected EPID images provide a primary photon fluence map, reconstructing a relative dose map using the primary photon fluence map convolving with a Monte Carlo simulated pencil-beam dose distribution kernel, and generating an absolute dose map using cross calibration to a 10x10 cm2 square field that is compared with a planned dose distribution for QA analysis.Type: ApplicationFiled: January 13, 2014Publication date: December 3, 2015Inventors: Bin Han, Lei Xing