Patents by Inventor Ao Liu

Ao Liu 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).

  • Publication number: 20250117306
    Abstract: Devices, systems, and methods for simulating an operation of an autonomous vehicle over time are described. An example method includes obtaining runtime data of an operation of modules of an autonomous vehicle during the operation, the runtime data including first module data having a first refresh frequency and second module data having a second refresh frequency, compiling a plurality of simulation data packets based on the runtime data according to a simulation frequency that is different from at least one of the first refresh frequency or the second refresh frequency, and simulating the operation of the autonomous vehicle over time based on the plurality of simulation data packets.
    Type: Application
    Filed: October 3, 2024
    Publication date: April 10, 2025
    Inventors: Dantong DONG, Ao LIU, Jing MA, Yixin YANG, Yuxuan LUO
  • Publication number: 20250086100
    Abstract: Techniques are described for analyzing autonomous vehicle driving. An example technique includes receiving, by a computer, a set of data from a software that performs driving related operations for an autonomous vehicle; generating a plurality of frames using the timestamps associated with the set of data; determining, for each frame, that the at least one data indicates information related to the autonomous vehicle and/or the one or more objects; assigning, for each frame, a label associated with the information indicated by the at least one data; and displaying, using a graphical user interface (GUI) and for the test performed with the software, at least one label associated with at least one information in a frame.
    Type: Application
    Filed: September 6, 2024
    Publication date: March 13, 2025
    Inventors: Dantong DONG, Yixin YANG, Yuxuan LUO, Ao LIU, Weiqi XU, Yunyi YANG, Shen QU, Junbo JING, Yan ZHUANG
  • Publication number: 20250006929
    Abstract: An electrochemical apparatus includes a negative electrode plate, where the negative electrode plate includes a negative electrode current collector, a first layer, and a second layer. The first layer is disposed between the negative electrode current collector and the second layer. The first layer and the second layer both include graphite, and a ratio of crystallinity of graphite in the second layer to crystallinity of graphite in the first layer is 0.4 to 0.8. Using graphite with higher crystallinity in the first layer can achieve a higher capacity, increasing the energy density of the electrochemical apparatus; and using graphite with lower crystallinity in the second layer can avoid the problem of lithium precipitation on the surface of the high crystallinity graphite of the first layer, improving the kinetic performance of the electrochemical apparatus.
    Type: Application
    Filed: September 13, 2024
    Publication date: January 2, 2025
    Applicant: Ningde Amperex Technology Limited
    Inventors: Yawen HUANG, Wei TAO, Ao LIU, Lei LI
  • Publication number: 20240351905
    Abstract: Proposed are a semiconductor layer including Sn-based perovskite including a chloride-based compound and an iodine-based compound, a thin film transistor including the same, and a manufacturing method thereof. The semiconductor layer includes a perovskite complex, where the perovskite complex includes a Sn-based perovskite and an additive including at least one selected from the group consisting of a first additive and a second additive, the first additive includes at least one selected from the group consisting of a chloride-based compound and an acetate-based compound, and the second additive includes an iodide-based compound (iodide). Thus, a transistor, an environmentally friendly material free of Pb, having high charge mobility and being easily industrialized, can be provided.
    Type: Application
    Filed: February 26, 2024
    Publication date: October 24, 2024
    Inventors: Yong-Young NOH, Youjin REO, Ao LIU, Huihui ZHU
  • Patent number: 12065378
    Abstract: A method for preparing low-background cement includes: uniformly mixing a seed crystal of cement, C4AF whiskers, and high-magnesium raw material to yield a first mixture, calcining the first mixture at 1400-1500° C., to yield a low-background clinker, the first mixture including 1.0-5.0 wt. % of the seed crystal of cement, 1.0-5.0 wt. % of the C4AF whiskers, and the balance is the high-magnesium raw material; and grinding a second mixture of the low-background clinker and gypsum, to yield low-background cement. The seed crystal of cement is a high-magnesium and low hydration heat clinker, has a specific activity of Ra-226 radioactive nuclides within 50 Bq/kg, and the MgO content of the clinker is between 4.0 wt. % and 5.0 wt. %, with 50 wt. %?C3S?55.0 wt. %; and the high-magnesium raw material has a MgO content between 2.5 wt. % and 3.0 wt. %.
    Type: Grant
    Filed: May 12, 2023
    Date of Patent: August 20, 2024
    Assignee: CHINA BUILDING MATERIALS ACADEMY CO., LTD.
    Inventors: Wen Huang, Yang Yu, Min Wang, Zhaijun Wen, Tingting Bao, Guang Yao, Xin Shen, Yun Liu, Jing Wang, Xianbin Wang, Zhongcheng Ma, Xianshu Gao, Kunyue Zhang, Guanbao Tang, Suihua Guo, Mingming Sun, Ao Liu
  • Patent number: 11969818
    Abstract: A split-type friction stir welding head with an adjustable stirring pin length includes a stirring head housing, where a clamping handle and a detachable stirring pin are successively mounted in the stirring head housing towards a welding direction, the clamping handle is provided with external threads on a periphery thereof and in drive connection with an adjusting plate through threads, the adjusting plate is limited, fixed and mounted in the stirring head housing, and a pore-diameter-adjustable aperture shoulder is mounted between a bottom of the stirring head housing and the detachable stirring pin in order to compensate for an outside gap between a stirring pin channel of the stirring head housing and the detachable stirring pin.
    Type: Grant
    Filed: September 22, 2023
    Date of Patent: April 30, 2024
    Assignee: Hefei University of Technology
    Inventors: Jingfeng Wang, Beibei Li, Pengcheng He, Ao Liu
  • Publication number: 20240128421
    Abstract: A display device includes: a substrate; a thin-film transistor on the substrate; and a light-emitting diode electrically connected to the thin-film transistor, wherein the thin-film transistor includes: a semiconductor layer in which a source region, a drain region, and a channel region are defined; a gate electrode insulated from the semiconductor layer and overlapping the semiconductor layer; a source electrode electrically connected to the source region; and a drain electrode electrically connected to the drain region, wherein the semiconductor layer includes a crystallized metal chalcogenide including a transition metal and a chalcogen element and has a layered structure.
    Type: Application
    Filed: August 2, 2023
    Publication date: April 18, 2024
    Inventors: Hyungjun Kim, Yongyoung Noh, Junhyung Lim, Ao Liu
  • Patent number: 11947220
    Abstract: A quantum dot light guide module includes a transparent substrate and a transparent cover plate. The transparent substrate has a first groove, an inner wall of the first groove is a rough surface, and the first groove is provided with a quantum dot layer formed by curing a quantum dot paste. The transparent cover plate covers on a surface of the transparent substrate where the first groove is configured, a sealing adhesive layer is provided between the transparent cover plate and the transparent substrate, and the transparent cover plate is connected with the transparent substrate through the sealing adhesive layer and covered the first groove. In such a way, water vapor and oxygen are effectively isolated and the failure problem of the quantum dot layer is avoided, and the quantum dot layer is distributed uniformly in the first groove.
    Type: Grant
    Filed: May 17, 2023
    Date of Patent: April 2, 2024
    Assignee: SHENZHEN YUNMIXIN DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Chong Xiong, Chang'ao Liu
  • Publication number: 20240018048
    Abstract: A method for preparing low-background cement includes: uniformly mixing a seed crystal of cement, C4AF whiskers, and high-magnesium raw material to yield a first mixture, calcining the first mixture at 1400-1500° C., to yield a low-background clinker, the first mixture including 1.0-5.0 wt. % of the seed crystal of cement, 1.0-5.0 wt. % of the C4AF whiskers, and the balance is the high-magnesium raw material; and grinding a second mixture of the low-background clinker and gypsum, to yield low-background cement. The seed crystal of cement is a high-magnesium and low hydration heat clinker, has a specific activity of Ra-226 radioactive nuclides within 50 Bq/kg, and the MgO content of the clinker is between 4.0 wt. % and 5.0 wt. %, with 50 wt. % <C3S <55.0 wt. %; and the high-magnesium raw material has a MgO content between 2.5 wt. % and 3.0 wt. %.
    Type: Application
    Filed: May 12, 2023
    Publication date: January 18, 2024
    Inventors: Wen HUANG, Yang YU, Min WANG, Zhaijun WEN, Tingting BAO, Guang YAO, Xin SHEN, Yun LIU, Jing WANG, Xianbin WANG, Zhongcheng MA, Xianshu GAO, Kunyue ZHANG, Guanbao TANG, Suihua GUO, Mingming SUN, Ao LIU
  • Patent number: 11843272
    Abstract: A method for improving cycling performance of a battery includes, in a first stage, charging the battery with a first-stage current until a voltage of the battery reaches a first-stage voltage value and in a second stage, charging the battery with a second-stage current until the voltage of the battery reaches a second-stage voltage value. The second-stage voltage value is greater than the first-stage voltage value, and the second-stage current is less than the first-stage current.
    Type: Grant
    Filed: September 14, 2020
    Date of Patent: December 12, 2023
    Assignee: Ningde Amperex Technology Limited
    Inventors: Ao Liu, Meili Gong, Chao Gao, Zhanzhao Fang
  • Publication number: 20230344260
    Abstract: A battery charging method, including: charging a battery in a charging manner under a first ambient temperature T1 until a voltage of the battery reaches first cutoff voltage U1 and/or a current of the battery reaches a first cutoff current I1, so that a first charge capacity of the battery is Q1; and charging the battery in the charging manner under a second ambient temperature T2 until the voltage of the battery reaches a second cutoff voltage U2 and/or the current of the battery reaches a second cutoff current I2, so that a second charge capacity of the battery is, where T2>T1, U2<U1, I1<I2, and Q1=Q2. This application can improve performance of the battery under a high temperature.
    Type: Application
    Filed: June 28, 2023
    Publication date: October 26, 2023
    Applicant: NINGDE AMPEREX TECHNOLOGY LIMITED
    Inventor: Ao Liu
  • Publication number: 20230304802
    Abstract: The passive combined indoor positioning system and method based on an intelligent terminal sensor, and is applied to the technical field of real-time positioning, can include a data collection module, a dead reckoning module, a geomagnetic matching determining module, a single-point matching module, a sequence matching module, a single-point positioning module, a sequence positioning module, and an error correction module. The system collects sensor data of a current location by using an intelligent terminal, and performs dead reckoning and geomagnetic matching based on the sensor data of the current location, so as to obtain a fusion positioning result of the current location through particle filter.
    Type: Application
    Filed: January 9, 2023
    Publication date: September 28, 2023
    Inventors: Zengke LI, Kefan SHAO, Shiyi JING, Yanlong LIU, Qi WU, Ao LIU, Xingyu DING
  • Publication number: 20230268443
    Abstract: Disclosed is a thin-film transistor including a substrate including a gate electrode formed thereon, a gate insulating film disposed on an entire face of the substrate, a semiconductor layer disposed on an entire face of the gate insulating film, and source and drain electrodes disposed on the semiconductor layer so as to be spaced apart from each other, wherein the semiconductor layer includes cesium tin triiodide (CsSnI3) or methylammonium tin triiodide (MASnI3), wherein the semiconductor layer further contains an additive.
    Type: Application
    Filed: October 25, 2021
    Publication date: August 24, 2023
    Inventors: Yong young NOH, Ao LIU, Huihui ZHU
  • Patent number: 11727427
    Abstract: The present disclosure provides systems, methods, and metrics that filter out online visitor behavioral data that represents a potential lead with a high likelihood to convert to a vehicle sale from online visitor behavioral data that does not represent a potential lead with a low likelihood to convert to a vehicle sale, based on a mapping of sales back to observed website and vehicle configurator data. This enables more effective lead generation and the more efficient targeting of online incentive offers and sales “nudges,” for example. Further, the present disclosure enables web analytics data to be combined with sales data for sales forecasting in general.
    Type: Grant
    Filed: October 27, 2020
    Date of Patent: August 15, 2023
    Assignee: Volvo Car Corporation
    Inventors: Sohini Roy Chowdhury, Jon Seneger, Ebrahim Alareqi, Joakim Soderberg, Ao Liu
  • Publication number: 20230207966
    Abstract: An electrochemical device includes a positive electrode plate, a negative electrode plate, a separator, and an electrolytic solution. The positive electrode plate includes a positive active material having lithium transition metal oxide particles represented by a chemical formula LiaCoxM1yM2zO2, where 0.95?a?1.05, 0.05<x<1, 0?y?0.9, 0<z?0.2, x+y+z=1, an M1 is one or two selected from the group consisting of Ni and Mn, and an M2 is at least one selected from the group consisting of Mg, Al, Ti, La, Y, and Zr. The separator includes a porous substrate and a polymer adhesive layer. The polymer adhesive layer is disposed between the porous substrate and the positive electrode plate. An adhesive force of the polymer adhesive layer between the positive electrode plate is 3 N/m to 100 N/m.
    Type: Application
    Filed: March 18, 2020
    Publication date: June 29, 2023
    Applicant: Ningde Amperex Technology Limited
    Inventors: Ao Liu, Chao Gao, Zhanzhao Fang
  • Patent number: 11687777
    Abstract: Interpretation maps of convolutional neural networks having certifiable robustness using Rényi differential privacy are provided. In one aspect, a method for generating an interpretation map includes: adding generalized Gaussian noise to an image x to obtain T noisy images, wherein the generalized Gaussian noise constitutes perturbations to the image x; providing the T noisy images as input to a convolutional neural network; calculating T noisy interpretations of output from the convolutional neural network corresponding to the T noisy images; re-scaling the T noisy interpretations using a scoring vector ? to obtain T re-scaled noisy interpretations; and generating the interpretation map using the T re-scaled noisy interpretations, wherein the interpretation map is robust against the perturbations.
    Type: Grant
    Filed: August 27, 2020
    Date of Patent: June 27, 2023
    Assignees: International Business Machines Corporation, Rensselaer Polytechnic Institute
    Inventors: Ao Liu, Sijia Liu, Bo Wu, Lirong Xia, Qi Cheng Li, Chuang Gan
  • Patent number: 11529772
    Abstract: An apparatus and a method for preparing a multi-directional continuous fiber-reinforced composite material. The apparatus includes an electrostatic fiber-splitting device configured to controllably split a fiber bundle, a powder spreading device configured to spread a powder, and a pre-press molding device configured to cut the fiber and compact the powder. The electrostatic fiber-splitting device includes a rotatable fiber-splitting table. The pressing plate is controlled by an electromagnet, and the pressing plate is energized to generate a high-voltage electrostatic field to disperse the continuous fiber bundle into monofilament fibers.
    Type: Grant
    Filed: September 16, 2021
    Date of Patent: December 20, 2022
    Assignee: Shaanxi University of Science & Technology
    Inventors: Xueni Zhao, Mingyue Liu, Zhenzhen Gui, Ao Liu, Jiamei Zheng, Sensen Wei, Xueyan Chen
  • Publication number: 20220320500
    Abstract: A positive electrode includes a positive electrode current collector, a first active material layer, and a second active material layer. The second active material layer is located between the first active material layer and the positive electrode current collector. The first active material layer includes a first positive electrode material and a first lithium-containing material. The second active material layer includes a second positive electrode material. Each of a charge cutoff voltage of the first positive electrode material and a charge cutoff voltage of the second positive electrode material is greater than a gas production potential of the first lithium-containing material. A gas production rate per unit mass of the first active material layer is greater than a gas production rate per unit mass of the second active material layer.
    Type: Application
    Filed: March 28, 2022
    Publication date: October 6, 2022
    Applicant: Ningde Amperex Technology Limited
    Inventor: Ao Liu
  • Patent number: 11341598
    Abstract: Interpretation maps of deep neural networks are provided that use Renyi differential privacy to guarantee the robustness of the interpretation. In one aspect, a method for generating interpretation maps with guaranteed robustness includes: perturbing an original digital image by adding Gaussian noise to the original digital image to obtain m noisy images; providing the m noisy images as input to a deep neural network; interpreting output from the deep neural network to obtain m noisy interpretations corresponding to the m noisy images; thresholding the m noisy interpretations to obtain a top-k of the m noisy interpretations; and averaging the top-k of the m noisy interpretations to produce an interpretation map with certifiable robustness.
    Type: Grant
    Filed: June 5, 2020
    Date of Patent: May 24, 2022
    Assignees: International Business Machines Corporation, Rensselaer Polytechnic Institute
    Inventors: Ao Liu, Sijia Liu, Abhishek Bhandwaldar, Chuang Gan, Lirong Xia, Qi Cheng Li
  • Publication number: 20220129937
    Abstract: The present disclosure provides systems, methods, and metrics that filter out online visitor behavioral data that represents a potential lead with a high likelihood to convert to a vehicle sale from online visitor behavioral data that does not represent a potential lead with a low likelihood to convert to a vehicle sale, based on a mapping of sales back to observed website and vehicle configurator data. This enables more effective lead generation and the more efficient targeting of online incentive offers and sales “nudges,” for example. Further, the present disclosure enables web analytics data to be combined with sales data for sales forecasting in general.
    Type: Application
    Filed: October 27, 2020
    Publication date: April 28, 2022
    Inventors: Sohini Roy Chowdhury, Jon Seneger, Ebrahim Alareqi, Joakim Soderberg, Ao Liu