Patents by Inventor Wenbiao Ding

Wenbiao Ding 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: 11775769
    Abstract: A sentence type recognition method and apparatus, an electronic device, and a storage medium are provided. The method includes: determining a target sentence from a to-be-recognized classroom teaching speech; segmenting the target sentence into a plurality of words, and processing a word vector of each of the plurality of words, to obtain semantic representation information of the target sentence; calculating, when the plurality of candidate sentence types comprise only a question and a non-question, an inner product of the plurality of pieces of dimension information and normalizing the inner product, to obtain a probability that the sentence type corresponding to the semantic representation information is the question; and determining, based on the probability, that the sentence type corresponding to the semantic representation information is the question or the non-question; determining the sentence type corresponding to the semantic representation information as a sentence type of the target sentence.
    Type: Grant
    Filed: December 28, 2022
    Date of Patent: October 3, 2023
    Assignee: BEIJING CENTURY TAL EDUCATION TECHNOLOGY CO., LTD.
    Inventors: Jiahao Chen, Weiping Fu, Wenbiao Ding, Zitao Liu
  • Patent number: 11676609
    Abstract: The present disclosure provides a speaker recognition method, an electronic device, and a storage medium. An implementation includes: segmenting the target audio file and the to-be-recognized audio file into a plurality of audio units respectively; extracting an audio feature from each of the audio units to obtain an audio feature sequence of the target audio file and an audio feature sequence of the to-be-recognized audio file; performing feature learning on the audio feature sequence of the target audio file and the audio feature sequence of the to-be-recognized audio file by using Siamese neural network, to obtain a feature vector corresponding to the target audio file and feature vectors respectively corresponding to the plurality of audio units in the to-be-recognized audio file; and recognizing, by using an attention mechanism-based machine learning model, the audio units belonging to the target speaker in the to-be-recognized audio file based on the feature vectors.
    Type: Grant
    Filed: December 20, 2022
    Date of Patent: June 13, 2023
    Inventors: Hang Li, Wenbiao Ding, Zitao Liu
  • Publication number: 20230134101
    Abstract: A sentence type recognition method and apparatus, an electronic device, and a storage medium are provided. The method includes: determining a target sentence from a to-be-recognized classroom teaching speech; segmenting the target sentence into a plurality of words, and processing a word vector of each of the plurality of words, to obtain semantic representation information of the target sentence; calculating, when the plurality of candidate sentence types comprise only a question and a non-question, an inner product of the plurality of pieces of dimension information and normalizing the inner product, to obtain a probability that the sentence type corresponding to the semantic representation information is the question; and determining, based on the probability, that the sentence type corresponding to the semantic representation information is the question or the non-question; determining the sentence type corresponding to the semantic representation information as a sentence type of the target sentence.
    Type: Application
    Filed: December 28, 2022
    Publication date: May 4, 2023
    Applicant: BEIJING CENTURY TAL EDUCATION TECHNOLOGY CO., LTD.
    Inventors: Jiahao CHEN, Weiping FU, Wenbiao DING, Zitao LIU
  • Publication number: 20230130253
    Abstract: The present disclosure provides a speaker recognition method, an electronic device, and a storage medium. An implementation includes: segmenting the target audio file and the to-be-recognized audio file into a plurality of audio units respectively; extracting an audio feature from each of the audio units to obtain an audio feature sequence of the target audio file and an audio feature sequence of the to-be-recognized audio file; performing feature learning on the audio feature sequence of the target audio file and the audio feature sequence of the to-be-recognized audio file by using Siamese neural network, to obtain a feature vector corresponding to the target audio file and feature vectors respectively corresponding to the plurality of audio units in the to-be-recognized audio file; and recognizing, by using an attention mechanism-based machine learning model, the audio units belonging to the target speaker in the to-be-recognized audio file based on the feature vectors.
    Type: Application
    Filed: December 20, 2022
    Publication date: April 27, 2023
    Applicant: BEIJING CENTURY TAL EDUCATION TECHNOLOGY CO., LTD.
    Inventors: Hang LI, Wenbiao DING, Zitao LIU
  • Publication number: 20220396867
    Abstract: A film mask, a manufacturing method thereof, a display panel and a display device are provided. The mask includes a frame and a first align mask. The frame includes two first frame edges extending along a first direction and arranged at intervals along a second direction and two second frame edges extending along the second direction and arranged at intervals along the first direction. The first frame edges and the second frame edges intersect to form a quadrilateral. The first frame edges and the second frame edges include first surfaces and second surfaces which are oppositely disposed. The first surfaces of at least three angles of the four angles are provided with the first align mask. The first align mask is provided with a first align identifier. The first direction intersects with the second direction.
    Type: Application
    Filed: December 22, 2020
    Publication date: December 15, 2022
    Inventors: Jianbo LI, Jianpeng WU, Yan HUANG, Tong NIU, Wenbiao DING
  • Publication number: 20220316042
    Abstract: The present application provides mask plate, fabrication method thereof, and mask plate assembly. The mask plate includes two opening areas being respectively on different sides of mask pattern area along first direction, and two welding areas. One welding area is on a side of one opening area away from the mask pattern area along first direction, and the other welding area is on a side of the other opening area away from mask pattern area along first direction. Evaporation holes are arranged in mask unit, buffer holes are arranged in each opening area, and ratio of maximum dimension of buffer hole in any direction in plane where the mask plate is located to maximum dimension of evaporation hole in the direction is greater than 100. Buffer holes are distributed at equal intervals along a second direction, and second direction is in the plane and is perpendicular to first direction.
    Type: Application
    Filed: January 12, 2021
    Publication date: October 6, 2022
    Inventors: Yong ZHENG, Shuai DU, Wenbiao DING, Junxiu DAI, Chunyan GAO
  • Publication number: 20220130927
    Abstract: Provided is a method for manufacturing a display panel. First, the method includes sequentially preparing an anode layer and a first pixel define layer on a side of a substrate layer, then coating an organic light-induced material on a first surface, distal from the anode layer, of the first pixel define layer, and forming a polymer film layer by reacting the first pixel define layer with the organic light-induced material under a predetermined condition, and then preparing an organic functional layer and a cathode layer on a surface, distal from the first pixel define layer, of the organic light-induced material. The organic light-induced material at least contains a hydroxyl group and an unsaturated carbon-carbon double bond.
    Type: Application
    Filed: October 22, 2021
    Publication date: April 28, 2022
    Inventors: Wanmei QING, De YUAN, Wenbiao DING, Chao KONG, Baiqiang WANG
  • Publication number: 20220123068
    Abstract: A display panel, a mask used for evaporation, a mask assembly and a manufacturing method thereof are provided. The display panel includes: a base substrate; and a display area and a peripheral area; wherein, the peripheral area is provided with two types of dummy sub-pixel units, each type of dummy sub-pixel unit includes a dummy light-emitting material layer and a dummy auxiliary light-emitting layer, wherein, a first structure layer of a first dummy light-emitting material layer and a first dummy auxiliary light-emitting layer is arranged in the same layer as a second structure layer of a second dummy light-emitting material layer and a second dummy auxiliary light-emitting layer, and at least one of a size and a shape of an orthographic projection of the second structure layer on the base substrate is different from that of an orthographic projection of the first structure layer on the base substrate.
    Type: Application
    Filed: May 11, 2020
    Publication date: April 21, 2022
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yong Zheng, Wenbiao Ding, Junxiu Dai, Chunyan Gao
  • Patent number: 11239424
    Abstract: A polymer for an electron injection layer, an electron injection layer, an OLED device, and a display device are disclosed. The polymer includes a unit A and a unit B, in which the unit A is an aromatic group; and the unit B is a group represented by one of six possible formulae disclosed herein. The electron injection layer includes the polymer. The OLED device includes an anode, a hole injection layer, a hole transport layer, a light-emitting layer, an electron transport layer, the electron injection layer, and a cathode stacked in sequence.
    Type: Grant
    Filed: May 10, 2019
    Date of Patent: February 1, 2022
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xin Mou, Wenbiao Ding
  • Publication number: 20210123129
    Abstract: A mask has a mask pattern region and a non-mask pattern region located at a peripheral of the mask pattern region. The mask pattern region includes at least one effective mask region. In any effective mask region, the mask includes a plurality of evaporation holes and at least one shielding strip. Each shielding strip is located between two adjacent evaporation holes. The mask has at least one welding region in the non-mask pattern region. A thickness of a portion of the mask in the non-mask pattern region and at least in the welding region is greater than a thickness of the shielding strip of the mask in the effective mask region, and the thickness refers to a dimension of the corresponding portion along a direction perpendicular to a plane where the mask is located.
    Type: Application
    Filed: March 11, 2020
    Publication date: April 29, 2021
    Inventors: Yong ZHENG, Shuai DU, Wenbiao DING
  • Publication number: 20210066600
    Abstract: A mask and a mask assembly with the mask are disclosed. The mask includes: a mask pattern region; a non-mask pattern region around the mask pattern region; and two fixing areas disposed opposite to each other in a first direction in the non-mask pattern region and configured to fix the mask. There is a boundary line between the mask pattern region and the non-mask pattern region in the first direction, and an edge, along the boundary line, of the mask pattern region is concave towards an inner side of the mask pattern region in the first direction.
    Type: Application
    Filed: July 9, 2020
    Publication date: March 4, 2021
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Shuai Du, Hongqing Feng, Yong Zheng, Wenbiao Ding
  • Publication number: 20210054494
    Abstract: The present disclosure discloses a manufacturing device of mask assembly including at least one mask, comprising a first stretching mechanism configured to clamp the edges of the mask in a first direction and stretch the mask in a second direction and a second stretching mechanism configured to clamp the edges of the mask in the second direction and stretch the mask in the first direction, wherein the first direction being perpendicular to the second direction. The disclosure also relates to a method of manufacturing a mask assembly and a mask assembly.
    Type: Application
    Filed: March 9, 2020
    Publication date: February 25, 2021
    Inventors: Wenbiao DING, Jia Zeng, Shuai Du, Kui Chen, Yong Zheng
  • Publication number: 20200091434
    Abstract: A polymer for an electron injection layer, an electron injection layer, an OLED device, and a display device are disclosed. The polymer includes a unit A and a unit B, in which the unit A is an aromatic group; and the unit B is a group represented by one of six possible formulae disclosed herein. The electron injection layer includes the polymer. The OLED device includes an anode, a hole injection layer, a hole transport layer, a light-emitting layer, an electron transport layer, the electron injection layer, and a cathode stacked in sequence.
    Type: Application
    Filed: May 10, 2019
    Publication date: March 19, 2020
    Inventors: Xin Mou, Wenbiao Ding