Patents by Inventor Zhenhua Zhang

Zhenhua Zhang 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).

  • Patent number: 11349106
    Abstract: A manufacture method of an electronic device, an electronic device, and a manufacture tool for an electronic device are provided. The electronic device includes a stretching region and non-stretching regions on both sides of the stretching region, and the method includes: providing a flexible substrate, the flexible substrate including a stretching portion and non-stretching portions on both sides of the stretching portion, in which the stretching portion and the non-stretching portions respectively correspond to the stretching region and the non-stretching regions; stretching the stretching portion in a direction perpendicular to a longitudinal direction of the stretching portion, and then fixing the stretching portion to allow the stretching portion to be maintained in a stretching state; forming circuit structures on the non-stretching portions; and releasing the fixing of the stretching portion to allow the stretching portion to be restored.
    Type: Grant
    Filed: January 22, 2019
    Date of Patent: May 31, 2022
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yangpeng Wang, Fuzheng Xie, Yao Hu, Zhenhua Zhang
  • Patent number: 11341845
    Abstract: A method, a system, and a computer program product may be provided for generating at least one route speed funnel for roadwork zone identification. The method may include generating a plurality of learned speed signs from a first plurality of road sign observations captured by a first plurality of vehicles, determining a plurality of candidate speed funnels from the plurality of learned speed signs, based on corresponding locations, corresponding headings, and corresponding sign values and generating at least one route speed funnel from the plurality of candidate speed funnels based on session identifiers associated with a second plurality of vehicles of the first plurality of vehicles and corresponding time stamps of the plurality of learned speed signs. Each of the plurality of candidate speed funnels comprises a different pair of learned speed signs selected from the plurality of learned speed signs.
    Type: Grant
    Filed: December 12, 2018
    Date of Patent: May 24, 2022
    Assignee: HERE Global B.V.
    Inventors: Zhenhua Zhang, Leon Stenneth
  • Publication number: 20220155080
    Abstract: The disclosure provides a method, a system, and a computer program product in accordance with at least one example embodiment for detecting a roadblock zone. The method comprises receiving one or more road object observations, determining a map-matched link based on the received one or more road object observations, and calculating, at one or more locations associated with the map-matched link, heading difference data associated with a difference between a heading of each road object observation of the one or more road object observations and a heading of the map-matched link. The method further comprises identifying a set of locations from the one or more locations associated with the map-matched link where the heading difference data is more than a first predetermined threshold for each location in the set of locations and detecting the roadblock zone on the map-matched link based on the identified set of locations.
    Type: Application
    Filed: November 17, 2020
    Publication date: May 19, 2022
    Inventors: Zhenhua ZHANG, Leon STENNETH
  • Patent number: 11335735
    Abstract: A stretchable display apparatus having a substantially non-stretched state and a stretched state is provided. The stretchable display apparatus includes a first stretchable display panel including a plurality of first active subpixels of a first color and a plurality of first standby subpixels of the first color, a second stretchable display panel including a plurality of second active subpixels of the second color and a plurality of second standby subpixels of the second color, and a third stretchable display panel including a plurality of third active subpixels of the third color and a plurality of third standby subpixels of the third color. In the substantially non-stretched state, the plurality of first standby subpixels of the first color, the plurality of second standby subpixels of the second color, and the plurality of third standby subpixels of the third color are configured to be in a standby state and not emit light.
    Type: Grant
    Filed: May 10, 2019
    Date of Patent: May 17, 2022
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Zhenhua Zhang, Yangpeng Wang
  • Patent number: 11333505
    Abstract: A system, a method, and a computer program product for generating updated map data are provided. The method comprises obtaining map data of a speed sign associated with a plurality of parallel roads, determining one or more effective links associated with the speed sign, based on the map data of the speed sign, determining first vehicle sensor data corresponding to the one or more effective links, and generating a speed index for each of the one or more effective links based on the first vehicle sensor data The method further comprises generating the updated map data based on the speed index for each of the one or more effective links.
    Type: Grant
    Filed: September 18, 2019
    Date of Patent: May 17, 2022
    Assignee: HERE Global B.V.
    Inventors: Zhenhua Zhang, Leon Stenneth
  • Patent number: 11322025
    Abstract: A computer-implemented method for validating the existence of roadwork is provided. The method comprises, for example, retrieving information for at least one segment of a road captured by a plurality of vehicles. The information comprises at least two of lane marking data, speed funnel presence data, and traffic behavior change data. The method also comprises generating a confidence score based on analysis of the retrieved information. The method further comprises validating the existence of the roadwork on the at least one segment of the road based on the generated confidence score.
    Type: Grant
    Filed: December 12, 2018
    Date of Patent: May 3, 2022
    Assignee: HERE Global B.V.
    Inventors: Zhenhua Zhang, Leon Stenneth
  • Publication number: 20220123025
    Abstract: A displaying base plate includes a transparent displaying region. The displaying base plate located within the transparent displaying region includes: a substrate base plate, including a plurality of pixel regions, wherein each of the pixel regions includes a light transmission region and a non-light transmission region; and a transparent-trace layer, a first insulating layer and a first metal-trace layer provided in stack on one side of the substrate base plate, wherein the transparent-trace layer includes a plurality of first transparent traces, the first metal-trace layer includes a plurality of first metal traces, orthographic projections of the first metal traces on the substrate base plate are located within the non-light transmission regions of different pixel regions, each two neighboring first metal traces are connected by one of the first transparent traces, and the first metal traces and the first transparent traces are connected by via holes in the first insulating layer.
    Type: Application
    Filed: May 26, 2021
    Publication date: April 21, 2022
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yangpeng Wang, Zhenhua Zhang, Baolei Huo, Linlin Wang
  • Publication number: 20220123087
    Abstract: Provided are an array substrate and a display device. The array substrate includes: a base substrate including a display area and a peripheral area including a first peripheral area and a corner are; plurality of sub-pixels, data lines, and power lines at the display area; a plurality of control signal lines, data signal input lines, a multiplexing circuit and a first power bus which are at the first peripheral area and the corner area; a plurality of control signal connecting lines electrically connected to the control signal lines, at least partially overlapping with the data signal input lines, and located between the first power bus and the display area; and a plurality of control signal input lines electrically connected to the control signal connecting lines, at least partially overlapping with the first power bus, and on one side of the control signal connecting lines away from the display area.
    Type: Application
    Filed: May 7, 2020
    Publication date: April 21, 2022
    Inventors: Pengfei Yu, Zhenhua Zhang, Shun Zhang, Huijuan Yang
  • Publication number: 20220090919
    Abstract: A system, a method, and a computer program product are disclosed for identifying a link offset. The system may comprise a memory configured to store computer-executable instructions; and one or more processors configured to execute the instructions to: receive a first plurality of road object observations associated with at least one road object for a first link, wherein the first link is associated with a second link; determine a second plurality of road object observations from the first plurality of road object observations; determine an offset distance based on the second plurality of road object observations; and identify a road segment portion of the first link and a road segment portion of the second link as the link offset, based on the determined offset distance.
    Type: Application
    Filed: November 12, 2020
    Publication date: March 24, 2022
    Inventors: Zhenhua ZHANG, Leon STENNETH
  • Publication number: 20220084398
    Abstract: An approach is provided for detecting and/or verifying a traffic incident (e.g., a road closure) on one of nearby paths that are susceptible to location sensor errors, digital map errors, and/or map mis-matching errors. The approach involves, for example, determining sensor data collected from one or more sensors of one or more devices traveling on either road link of the at least two road links connected at an intersection point. The approach also involves aggregating the sensor data to said either road link of at least two road links. The approach further involves filtering the sensor data based on a distance threshold from the intersection point. The approach further involves determining a traffic incident on said either road link based on the filtered sensor data.
    Type: Application
    Filed: November 11, 2020
    Publication date: March 17, 2022
    Inventors: Zhenhua ZHANG, Bruce BERNHARDT
  • Publication number: 20220082406
    Abstract: A system, a method, and a computer program product are disclosed for identifying a road object. The system may comprise a memory configured to store computer-executable instructions; and one or more processors configured to execute the instructions to: receive a road object observation associated with the road object for a first link, wherein the first link is associated with at least one second link; determine a first heading data for the received road object observation; determine a matched location for the received road object observation on the at least one second link; determine a second heading data for the received road object observation, based on the determined matched location; and identify the road object based on the determined first heading data and the determined second heading data, wherein as a result of identifying, the identified road object is either determined as associated with the first link or is determined to be not associated with the first link.
    Type: Application
    Filed: November 12, 2020
    Publication date: March 17, 2022
    Inventors: Zhenhua ZHANG, Leon STENNETH
  • Patent number: 11275970
    Abstract: The invention provides systems and method for generating device-specific artificial neural network (ANN) models for distribution across user devices. Sample datasets are collected from devices in a particular environment or use case and include predictions by device-specific ANN models executing the user devices. The received datasets are used with existing datasets and stored ANN models to generate updated device-specific ANN models from each of the stored instances of the device ANN models based on the training data.
    Type: Grant
    Filed: May 7, 2021
    Date of Patent: March 15, 2022
    Assignee: Xailient
    Inventors: Lars Oleson, Shivanthan Yohanandan, Ryan Mccrea, Deepa Lakshmi Chandrasekharan, Sabina Pokhrel, Yousef Rabi, Zhenhua Zhang, Priyadharshini Devanand, Bernardo Rodeiro Croll, James J. Meyer
  • Patent number: 11262209
    Abstract: A method, a system, and a computer program for identification of at least one road work extension in a geographical location are provided. The method includes, for example, the process of building and accessing a map for the geographic location curated with the marking of one or more road work zones corresponding to the at least one road work extensions. To calculate road work extension, the method includes obtaining a plurality of lane markings on a road work link and determine a start and an end offset of at least one link using obtained lane marking observations. Further, the method includes generating the road work extension data comprising co-ordinates of each of the start position and the end position of the road work extension, based on the determined link start offset and the link end offset.
    Type: Grant
    Filed: December 12, 2018
    Date of Patent: March 1, 2022
    Assignee: HERE Global B.V.
    Inventors: Zhenhua Zhang, Leon Stenneth
  • Publication number: 20220057216
    Abstract: The disclosure provides a method, a system, and a computer program product in accordance with at least one example embodiment for validating a road object. The method comprises receiving at least one road object observation associated with the road object, and determining a map-matched link associated with the road object based on the road object observation. The method further comprises obtaining, for the road object observation, at least one parallel link and lane information, where the lane information comprises number of lanes information, lane width data or a combination thereof, for the map-matched link or the at least one parallel link. The method further comprises determining a distance of separation between the map-matched link and the at least one parallel link based on the lane information, and validating the road object based on the determined distance of separation.
    Type: Application
    Filed: November 11, 2020
    Publication date: February 24, 2022
    Inventors: Zhenhua Zhang, Leon Stenneth
  • Publication number: 20220057229
    Abstract: A system, a method, and a computer program product are disclosed for determining useful ground truth data. The system may comprise a memory configured to store computer-executable instructions; and one or more processors configured to execute the instructions to: obtain ground truth data, wherein the ground truth data comprises a plurality of road object observations and a plurality of links such that each road object observation is associated with at least one link from the plurality of links; determine offset data for the ground truth data; determine connectivity data for the ground truth data based on the offset data and a bounded distance threshold; identify one or more useful road segment portions based on the determined connectivity data; and determine the useful ground truth data based on the identified one or more useful road segment portions.
    Type: Application
    Filed: November 17, 2020
    Publication date: February 24, 2022
    Inventor: Zhenhua ZHANG
  • Patent number: 11255692
    Abstract: Various aspects of a system, a method, and a computer program product for generation of roadwork extension data of a roadwork zone are disclosed herein. In accordance with an embodiment, the system includes a memory and a processor. The processor may be configured to obtain speed funnel data of one or more speed funnels. The processor may be configured to determine a plurality of candidate roadwork links, based on the speed funnel data. The processor may be configured to obtain vehicular trajectory data corresponding to the plurality of candidate roadwork links. The processor may be further configured to determine at least one qualified roadwork link from the plurality of candidate roadwork links, based on the vehicular trajectory data and speed threshold data of the plurality of candidate roadwork links. The processor may be further configured to generate the roadwork extension data based on the at least one qualified roadwork link.
    Type: Grant
    Filed: March 19, 2019
    Date of Patent: February 22, 2022
    Assignee: HERE Global B.V.
    Inventors: Zhenhua Zhang, Leon Stenneth, Ram Marappan
  • Publication number: 20220052147
    Abstract: A display substrate includes a base substrate and a plurality of sub-pixels. A sub-pixel includes a pixel electrode and an effective light-emitting region. The pixel electrode includes a main body portion and a connection portion that are interconnected. Shapes of the main body portion and the effective light-emitting region are the same, and at least partial borders of the main body portion and the pixel electrode coincide. The plurality of sub-pixels at least includes a first sub-pixel and a second sub-pixel, and light emitted by the first sub-pixel and second sub-pixel is the same.
    Type: Application
    Filed: September 29, 2020
    Publication date: February 17, 2022
    Inventors: Biao LIU, Mengmeng DU, Hongwei MA, Xiaoqing SHU, Zhenhua ZHANG
  • Patent number: 11244178
    Abstract: A system, a method, and a computer program product for generating classification data of a sign. The method comprises obtaining map data of the sign, obtaining a map matched link and at least one parallel link associated with the sign based on the map data, determining presence data of at least one blocking link between the map-matched link and the at least one parallel link, wherein the at least one blocking link satisfies one or more of a heading criterion and a distance criterion. The method further comprises generating the classification data of the sign based on the presence data of the at least one blocking link.
    Type: Grant
    Filed: February 28, 2020
    Date of Patent: February 8, 2022
    Assignee: HERE GLOBAL B.V.
    Inventors: Zhenhua Zhang, Leon Stenneth
  • Patent number: 11243085
    Abstract: A method, a system, and a computer program product are provided for updating one or more attributes of a learned road sign (LRS). The system, for example, comprising at least one non-transitory memory configured to store computer program code instructions; and at least one processor is configured to execute the computer program code instructions to obtain sensor data associated with the LRS and determine a plurality of first downstream links associated with the LRS, based on the sensor data. Further, the at least one processor is configured to select a candidate downstream link from the plurality of first downstream links based on a heading difference between the LRS and each of the plurality of first downstream link and to update the one or more attributes of the LRS, based on the candidate downstream link.
    Type: Grant
    Filed: May 14, 2019
    Date of Patent: February 8, 2022
    Assignee: HERE Global B.V.
    Inventors: Zhenhua Zhang, Leon Stenneth
  • Patent number: 11244177
    Abstract: A method, a system, and a computer program product may be provided for generating at least one route speed funnel for roadwork zone identification. The method may include generating a plurality of learned road signs from a plurality of road sign observations captured by a plurality of vehicles, determining a plurality of primary speed funnels, and generating at least one route speed funnel from the plurality of primary speed funnels based on a route validity condition. Each of the plurality of primary speed funnels comprises a different pair of learned road signs selected from the generated plurality of learned road signs. The method may further include determining a plurality of candidate speed funnels and temporally validating the plurality of candidate speed funnels to obtain the plurality of primary speed funnels.
    Type: Grant
    Filed: December 12, 2018
    Date of Patent: February 8, 2022
    Assignee: HERE Global B.V.
    Inventors: Zhenhua Zhang, Leon Stenneth