Patents by Inventor Chen Xu

Chen Xu 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: 11380257
    Abstract: A display panel and a display device. The display panel includes a pixel circuit structure, a data line and a voltage signal line. The data line is connected to the pixel circuit structure to provide a data signal; the voltage signal line is connected to the pixel circuit structure to provide a voltage signal, the voltage signal is a constant voltage signal; the pixel circuit structure includes a first stabilization capacitor provided between the data line and the voltage signal line.
    Type: Grant
    Filed: January 10, 2019
    Date of Patent: July 5, 2022
    Assignees: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chen Xu, Xueguang Hao, Yong Qiao, Xinyin Wu
  • Patent number: 11374131
    Abstract: A thin film transistor, an array substrate, a display device and a method for manufacturing a thin film transistor are provided. The thin film transistor is formed on a base substrate and includes a source; a drain; and a semiconductor active layer having an amorphous silicon layer and one polysilicon portion or a plurality of polysilicon portions, the amorphous silicon layer being contacted with the one polysilicon portion or the plurality of polysilicon portions. The method includes a process of forming a source, a drain, and a semiconductor active layer: wherein forming a semiconductor active layer comprises: forming a first amorphous silicon thin film on a base substrate; and performing a crystallization treatment to the first amorphous silicon thin film to convert a part of the amorphous silicon in the first amorphous silicon thin film into polysilicon, such that a semiconductor active layer comprising one polysilicon portion or a plurality of polysilicon portions are formed.
    Type: Grant
    Filed: August 1, 2019
    Date of Patent: June 28, 2022
    Assignees: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hongfei Cheng, Chen Xu
  • Publication number: 20220199939
    Abstract: A display panel and a manufacture method thereof, and a display apparatus are provided. The display panel includes an array substrate, an encapsulation cover plate and a plurality of organic layers. The display region includes a plurality of pixels, each pixel includes a plurality of sub-pixels; each sub pixel includes a light-emitting device. The encapsulation cover plate is opposite to the array substrate and includes a first base substrate and a plurality of organic layers on a side of the first base substrate close to the array substrate. The frame sealant is in the non-display region and adheres the array substrate and the encapsulation cover plate; a gap region is between an organic layer of the plurality of the organic layers closest to the frame sealant, the gap region separates the organic layer closest to the frame sealant from the frame sealant; the gap region is in the non-display region.
    Type: Application
    Filed: June 12, 2020
    Publication date: June 23, 2022
    Applicants: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xinwei Gao, Dacheng Zhang, Lang Liu, Chen Xu
  • Patent number: 11343018
    Abstract: This application discloses a polar code interleaving processing method and apparatus. The method includes: determining N to-be-encoded bits, where N is a positive integer; obtaining a first sequence that includes sequence numbers of N polarized channels, where the first sequence is used to indicate a reliability order of the N polarized channels; performing polar encoding on the N to-be-encoded bits to obtain encoded bits; and performing interleaving processing on the encoded bits based on the first sequence. Because the first sequence used to indicate the reliability of the polarized channels is a sequence already existing in a polar code encoding process, no additional storage resource needs to be used to store the first sequence in the interleaving processing process, thereby reducing use of storage resources.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: May 24, 2022
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Guijie Wang, Gongzheng Zhang, Rong Li, Wei Chen, Jun Wang, Chen Xu
  • Publication number: 20220151090
    Abstract: A display device includes: a display panel; a housing configured to support and protect the display panel; a bracket disposed between the display panel and the housing; a plurality of sensors fixed on the bracket; a window located in the display panel or in the housing, and configured to expose at least one of the plurality of sensors; and a driver configured to control the bracket to rotate in a plane parallel to the display panel, and to control the bracket to stop rotating when a required sensor rotates to a position of the window.
    Type: Application
    Filed: June 24, 2020
    Publication date: May 12, 2022
    Inventors: Yongda MA, Jianbo XIAN, Xueguang HAO, Chen XU
  • Publication number: 20220131497
    Abstract: A photovoltaic module includes at least one cell unit, and the at least one cell unit is rectangular; the at least one cell unit includes a plurality of cell-string groups that are electrically connected, each of the plurality of cell-string groups includes a plurality of cell strings connected in parallel, and each of the plurality of cell strings includes a plurality of cell connected in series; each of the plurality of cell-string groups has two electrically conductive ends and two side edges located between the two electrically conductive ends; and at least two neighboring instances of the plurality of cell-string groups are arranged in a predetermined mode, wherein the predetermined mode is as follows: one of the two electrically conductive ends of one of the plurality of cell-string groups and one of side edges of the neighboring cell-string group are located on a same straight line.
    Type: Application
    Filed: February 27, 2020
    Publication date: April 28, 2022
    Applicant: LONGI GREEN ENERGY TECHNOLOGY CO., LTD.
    Inventors: Qingfeng XU, Chen XU, Le WANG, Bingxuan HE
  • Patent number: 11317038
    Abstract: Disclosed are a pixel unit, and an imaging method and apparatus thereof. The pixel comprises a first and a second pixel sub-portion each comprising one or more photodiodes; one or more transfer transistors each coupled to a floating diffusion, for transferring the charges generated by the one or more photodiodes in response to incident light during an exposure period and accumulated in the photodiode during said exposure period respectively to the floating diffusion; a reset transistor; and a source follower transistor coupled to the floating diffusion for amplifying and outputting the pixel signal of the floating diffusion. In some embodiments, the pixel further includes a capacitor and a gain control transistor.
    Type: Grant
    Filed: December 17, 2018
    Date of Patent: April 26, 2022
    Assignee: SmartSens Technology (HK) Co., Ltd.
    Inventors: Yaowu Mo, Chen Xu, Zexu Shao, Weijian Ma, Guanjing Ren, Wenjie Shi, Xiao Xie
  • Publication number: 20220123073
    Abstract: Provided are a display substrate and a preparation method thereof, and a display apparatus. The display substrate includes a plurality of display units; the display unit includes a driving structure layer, a light emitting structure layer and a color filter layer which are located in the display area and sequentially arranged on the substrate; the light emitting structure layer comprises a plurality of light emitting structures each including a pixel define layer and an organic light emitting layer; the organic light emitting layer is located in an opening area of the pixel define layer and on the pixel define layer; the color filter layer includes a plurality of light filters; the display substrate includes a spacing area located in the display area, the spacing area being located between opening areas of pixel define layers of adjacent light emitting structures.
    Type: Application
    Filed: May 15, 2020
    Publication date: April 21, 2022
    Inventors: Meng LI, Yongqian LI, Chen XU, Dacheng ZHANG, Jingquan WANG, Zhidong YUAN, Haixia XU
  • Publication number: 20220123056
    Abstract: A display region includes a plurality of pixel driving circuitry setting regions arranged sequentially in a first direction, and each pixel driving circuitry setting region extends in a second direction intersecting the first direction. Each display circuitry includes a plurality of subpixels in one-to-one correspondence with the pixel driving circuitry setting regions, each subpixel includes a subpixel driving circuitry and a light-emitting element coupled to each other, the subpixel driving circuitry is located in a corresponding pixel driving circuitry setting region, the light-emitting element is located at a side of the subpixel driving circuitry away from the substrate, a width of the light-emitting element is greater than a width of the corresponding pixel driving circuitry setting region in the first direction, and a length of the light-emitting element is smaller than a length of the corresponding pixel driving circuitry setting region in the second direction.
    Type: Application
    Filed: May 15, 2020
    Publication date: April 21, 2022
    Applicants: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Meng LI, Yongqian LI, Jingquan WANG, Chen XU, Dacheng ZHANG, Zhidong YUAN, Can YUAN, Xuehuan FENG
  • Patent number: 11309427
    Abstract: The present disclosure relates to a thin film transistor and a manufacturing method thereof. The thin film transistor includes a substrate, a first semiconductor layer, a gate dielectric layer, and a gate electrode sequentially stacked on the substrate, the first semiconductor layer has a first portion located in a channel region of the thin film transistor and a second portion in source/drain regions of the thin film transistor and located on both sides of the first portion, the second portion and first sub-portions of the first portion adjacent to the second portion include an amorphous semiconductor material, a second sub-portion of the first portion between the first sub-portions includes a polycrystalline semiconductor material, and a second semiconductor layer located in the source/drain regions and in contact with the second portion, wherein a conductivity of the second semiconductor layer is higher than a conductivity of the amorphous semiconductor material.
    Type: Grant
    Filed: March 4, 2019
    Date of Patent: April 19, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhi Wang, Guangcai Yuan, Feng Guan, Chen Xu, Xueyong Wang, Jianhua Du, Chao Li, Lei Chen
  • Publication number: 20220115461
    Abstract: There is provided a display substrate and a display device. The display substrate includes a first metal layer, a first insulating layer, a metal oxide layer, a second insulating layer and a second metal layer which are stacked; wherein the metal oxide layer comprises a first pattern, a second pattern and a capacitance pattern, the first metal layer comprises a first electrode plate, there is at least a first overlapping region between the first electrode plate and the capacitance pattern to form a first storage capacitor, the second metal layer comprises a second electrode plate, there is at least a second overlapping region between the second electrode plate on the base substrate and the capacitance pattern to form a second storage capacitor, and the first electrode plate and the second electrode plate have same potential.
    Type: Application
    Filed: July 15, 2020
    Publication date: April 14, 2022
    Inventors: Chen XU, Xueguang HAO, Yong QIAO, Xinyin WU
  • Publication number: 20220109524
    Abstract: This application relates to the field of wireless communications technologies, and discloses an encoding method and apparatus, to improve accuracy of reliability calculation and ordering for polarized channels. The method includes: obtaining a first sequence used to encode K to-be-encoded bits, where the first sequence includes sequence numbers of N polarized channels, the first sequence is same as a second sequence or a subset of the second sequence, the second sequence comprises sequence numbers of Nmax polarized channels, and the second sequence is the sequence shown in Sequence Q11 or Table Q11, K is a positive integer, N is a positive integer power of 2, n is equal to or greater than 5, K?N, Nmax=1024; selecting sequence numbers of K polarized channels from the first sequence; and performing polar code encoding on K the to-be-encoded bits based on the selected sequence numbers of the K polarized channels.
    Type: Application
    Filed: October 1, 2021
    Publication date: April 7, 2022
    Applicant: HUAWEI TECHNOLOGIES CO.,LTD.
    Inventors: Jun Wang, Gongzheng Zhang, Huazi Zhang, Chen Xu, Lingchen Huang, Shengchen Dai, Hejia Luo, Yunfei Qiao, Rong Li, Jian Wang, Ying Chen, Nikita Polianskii, Mikhail Kamenev, Zukang Shen, Yourui HuangFu, Yinggang Du
  • Patent number: 11296724
    Abstract: This application provides an encoding method and apparatus in a wireless communications system. The method includes: performing cyclic redundancy check (CRC) encoding on A to-be-encoded information bits based on a CRC polynomial, to obtain a first bit sequence, where the first bit sequence includes L CRC bits and the A information bits; and performing polar encoding on the first bit sequence, where L has a value of one of 3, 4, 5, 8, and 16. Based on an improved CRC polynomial, coding satisfying a false alarm rate (FAR) requirement is implemented.
    Type: Grant
    Filed: March 6, 2020
    Date of Patent: April 5, 2022
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Shengchen Dai, Lingchen Huang, Gongzheng Zhang, Yunfei Qiao, Chen Xu, Jun Wang, Rong Li
  • Publication number: 20220102007
    Abstract: A method of monitoring building compliance with healthy building guidelines includes obtaining current parameter values for a plurality of different parameters from a plurality of sensors disposed within a plurality of different zones of a building. For each of the parameters, the current parameter value received from each of the plurality of different zones is compared with a corresponding healthy building range for that parameter as specified by the healthy building guidelines. A healthy building dashboard is displayed that includes a summary that shows, for each of the plurality of different parameters, how many zones of the plurality of different zones of the building are within the corresponding healthy building range for that parameter and/or how many zones of the plurality of different zones are not within the corresponding healthy building range for that parameter.
    Type: Application
    Filed: January 5, 2021
    Publication date: March 31, 2022
    Inventors: Rajkumar Palanivel, Himanshu Khurana, Deenadayalan Karunakaran, Chandrakantha Chandra, Hemant Jagannath Wadnere, Ganapathi Hegde, Naveen Kumar Dindukurthi Sivaprasad, Chen Xu
  • Publication number: 20220093208
    Abstract: This application provides methods and systems for determining transplant status. In some embodiments, the method comprises obtaining a biological sample from hematopoietic stem cell transplant (HSCT) recipient; measuring the amount of one or more identified recipient-specific nucleic acids or donor-specific nucleic acids in the sample; and (c) determining transplant status by monitoring the amount of the one or more identified recipient-specific nucleic acids or donor-specific nucleic acids after transplantation. In some approaches, the one or more recipient-specific or the donor-specific nucleic acids are identified based on the amount of one or more polymorphic nucleic acid targets, which can be used to determine the transplant status. Optionally, the biological sample is blood or bone marrow. Optionally the nucleic acid is genomic DNA.
    Type: Application
    Filed: February 18, 2020
    Publication date: March 24, 2022
    Inventors: Roy Brian LEFKOWITZ, John Allen TYNAN, Chen XU
  • Publication number: 20220069052
    Abstract: A display panel and a display device are provided. The display panel includes a base substrate, a plurality of pixel drive circuit units, n first signal lines, a touch layer, and a light emitting element. A distance between first extending portions of two adjacent first signal lines is greater than a distance between first bending portions of the two adjacent first signal lines. An orthogonal projection overlap area between the first connecting portion and first extending portions of the n first signal lines is S1, and an orthogonal projection overlap area between the first connecting portion and first bending portions of the n first signal lines is S2. S1?S2. A length of a first extending portion of at least one first signal line is L1, a distance between the first extending portion of at least one first signal line and the second electrode is H1, and H1?(S1/n)/L1.
    Type: Application
    Filed: June 30, 2021
    Publication date: March 3, 2022
    Inventors: Lang LIU, Jingquan WANG, Chen XU
  • Publication number: 20220069027
    Abstract: A display panel and a display device are provided. The display panel includes a first color sub-pixels and a second color sub-pixel. The first color sub-pixel includes a first effective light emitting region, the second color sub-pixel includes a second effective light emitting region, an area of the second effective light emitting region is smaller than that of the first effective light emitting region. The first color sub-pixel includes a first color light emitting layer, the second color sub-pixel includes a second color light emitting layer, an area ratio between orthographic projections of the first color light emitting layer and the first effective light emitting region on the base substrate is less than an area ratio between orthographic projections of the second color light emitting layer and the second effective light emitting region on the base substrate.
    Type: Application
    Filed: June 23, 2021
    Publication date: March 3, 2022
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hongli WANG, Chang LUO, Lei CHEN, Kening ZHENG, Chen XU
  • Publication number: 20220068212
    Abstract: A display substrate is provided. The display substrate includes a base substrate including a display region and a peripheral region, and a gate scan driving circuit, a light-emitting control scan driving circuit, and a first power line, the gate scan driving circuit includes a first stabilizing capacitor, a first electrode plate of the first stabilizing capacitor is electrically connected to the output terminal of the gate scan driving circuit; and the light-emitting control scan driving circuit includes a second stabilizing capacitor, a first electrode plate of the second stabilizing capacitor is electrically connected to the output terminal, a second electrode plate of the second stabilizing capacitor is electrically connected to the first power line, the second electrode plate of the second stabilizing capacitor includes a first part and a second part, and an organic insulation layer is provided between the first part and the second part.
    Type: Application
    Filed: June 30, 2021
    Publication date: March 3, 2022
    Inventors: Xing YAO, Chen XU, Jingquan WANG, Xinyin WU
  • Patent number: 11264384
    Abstract: The disclosure relates to a CMOS structure and a manufacturing method thereof. The CMOS structure includes a substrate and an N-type TFT and a P-type TFT on the substrate. The N-type TFT includes a first gate electrode, a first active layer, and a first gate dielectric layer therebetween. The first active layer includes a first semiconductor layer, a second semiconductor layer of the N-type, and a third semiconductor layer of the N-type which are located at opposite ends of the first semiconductor layer and sequentially stacked in a direction away from the first gate dielectric layer. An N-type doping concentration of the second semiconductor layer is smaller than that of the third semiconductor layer. The P-type TFT includes a fifth semiconductor layer and a sixth semiconductor layer. A P-type doping concentration of the fifth semiconductor layer is smaller than that of the sixth semiconductor layer.
    Type: Grant
    Filed: March 4, 2019
    Date of Patent: March 1, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhi Wang, Feng Guan, Guangcai Yuan, Chen Xu, Lei Chen
  • Publication number: 20220056958
    Abstract: A torque transmission member for transmitting torque between a first rotating member and a second rotating member is provided. The torque transmission member has a first connection part and a second connection part which are concentrically arranged and fixedly connected with each other, wherein the first connection part is fixedly connected to the first rotating member, the second connection part is connected to the second rotating member in a torsion-proof manner, and the second connection part has a central hole for receiving the second rotating member. A cylindrical centering reference member is provided, the torque transmission member and the centering reference member are coaxially arranged by a centering tool during the process of assembling the torque transmission member, wherein the first connection part is provided with at least two through holes, and the centering tool passes through the through holes during a process of centering.
    Type: Application
    Filed: September 21, 2018
    Publication date: February 24, 2022
    Applicant: Schaeffler Technologies AG & Co. KG
    Inventor: Chen Xu