Patents Assigned to BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
  • Publication number: 20240196638
    Abstract: A light-emitting device includes a first electrode and a second electrode arranged opposite to each other, and a light-emitting functional layer located between the first electrode and the second electrode. The light-emitting functional layer includes a first light-emitting layer, and the first light-emitting layer includes a first light-emitting material. The first light-emitting material is configured to emit light in response to a control of an electrical signal on the first electrode and an electrical signal on the second electrode. The light-emitting functional layer further includes a second light-emitting material. A difference between a Stokes shift of the first light-emitting material and a Stokes shift of the second light-emitting material is in a range of 10 nm to 50 nm, inclusive.
    Type: Application
    Filed: March 24, 2022
    Publication date: June 13, 2024
    Applicants: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Haowei WANG
  • Patent number: 12010179
    Abstract: Disclosed are methods, electronic devices and systems for transmitting cross-resource event notifications. A method for transmitting cross-resource event notifications includes: receiving a cross-resource subscription request from a resource subscription entity, wherein the cross-resource subscription request is used to subscribe to a plurality of resources, and the cross-resource subscription request includes a plurality of single-resource event notification criteria and a cross-resource event notification criterion; determining that n resources of m resources satisfy the single-resource event notification criteria and satisfy the cross-resource event notification criterion, and transmitting a cross-resource event notification to the resource subscription entity, wherein m and n are positive integers greater than or equal to 2.
    Type: Grant
    Filed: September 23, 2020
    Date of Patent: June 11, 2024
    Assignees: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Junjie Zhao, Jing Su, Qian Zhang, Yanqiu Zhao
  • Patent number: 12008193
    Abstract: A display panel and a display device are provided, the display panel includes a base substrate and a touch wire including a first sub-portion and a second sub-portion, a main surface of the base substrate is a first surface; the second sub-portion includes a first height portion and a second height portion, a height of the first height portion relative to the first surface is smaller than a height of the second height portion relative to the first surface, line widths of respective positions of the first height portion are inversely proportional to heights of the respective positions of the first height portion relative to the first surface, and line widths of respective positions of at least part of the second height portion are proportional to heights of the respective positions of the at least part of the second height portion relative to the first surface.
    Type: Grant
    Filed: June 29, 2022
    Date of Patent: June 11, 2024
    Assignees: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chunyan Li, Jingquan Wang, Xueguang Hao, Xinyin Wu, Xinguo Li
  • Publication number: 20240186708
    Abstract: An antenna is provided. The antenna includes a ground plate; a dielectric layer on the ground plate; and a radiating patch and a microstrip feed line on a side of the dielectric layer away from the ground plate. The radiating patch has a parallelogram shape having a first side connected to the microstrip feed line, a second side opposite to the first side, a third side connecting the first side and the second side, and a fourth side converting the first side and the second side, the third side being opposite to the fourth side. The antenna further includes a gain enhancement structure on at least one of the second side, the third side, or the fourth side.
    Type: Application
    Filed: December 22, 2021
    Publication date: June 6, 2024
    Applicants: Beijing BOE Technology Development Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Liang Guo, He Liu, Feng Qu, Guoqiang Tang, Yali Wang
  • Publication number: 20240186703
    Abstract: An antenna is provided. The antenna includes a ground plate, and a slot extending through the ground plate; a first dielectric layer on the ground plate and the slot; a microstrip feed line and a first radiating patch on a side of the first dielectric layer away from the ground plate, the first radiating patch being coupled to the microstrip feed line and configured to receive a signal from the microstrip feed line; a second dielectric layer on a side of the ground plate and the slot away from the first dielectric layer, the first radiating patch, and the microstrip feed line; and a second radiating patch on a side of the second dielectric layer away from the ground plate, the second radiating patch being configured to receive a signal by aperture coupling through the slot.
    Type: Application
    Filed: November 17, 2021
    Publication date: June 6, 2024
    Applicants: Beijing BOE Technology Development Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yali Wang, Feng Qu
  • Publication number: 20240186707
    Abstract: An antenna is provided, comprising a reflector, a director; a first tapered microstrip line, a transition structure, a second tapered microstrip line, and a dipole radiator; wherein the transition structure has a main body of a parallelogram shape having a first side connected to the first tapered microstrip line, a second side opposite to the first side and connected to the second tapered microstrip line, a third side connecting the first side and the second side, and a fourth side connecting the first side and the second side, the third side being opposite to the fourth side; and the transition structure comprises a plurality of teeth connected to and extending away from at least the fourth side of the main body.
    Type: Application
    Filed: December 29, 2021
    Publication date: June 6, 2024
    Applicants: Beijing BOE Technology Development Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yali Wang, Xichao Fan, Feng Qu
  • Publication number: 20240184528
    Abstract: A method for generating pseudo-random number is provided. The method includes receiving, by at least one processor, an initial state and a seed; performing, by the at least one processor, at least a cycle of state transfer calculation; and outputting a series of pseudo random numbers. A variable decimal seed is used in at least one step of the at least a cycle of state transfer calculation. The variable decimal seed is calculated in a previous step of the at least a cycle of state transfer calculation.
    Type: Application
    Filed: August 25, 2021
    Publication date: June 6, 2024
    Applicants: Beijing BOE Technology Development Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xiangye Wei, Zhiliang Wang
  • Publication number: 20240182783
    Abstract: A quantum dots material solution is provided. The quantum dots material solution includes a quantum dots material; a ligand chelated to the quantum dots material; a fast material capable of generating, upon a first irradiation, a quencher quenching the quantum dots material; a second material capable of at least partially converting the quantum dots material in a plurality of block regions from a first form into a second form. The quantum dots material in the second form has a lower solubility in a developing solution than the quantum dots material in the first form.
    Type: Application
    Filed: October 28, 2021
    Publication date: June 6, 2024
    Applicants: Beijing BOE Technology Development Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Jingwen Feng, Wenhai Mei, Haowei Wang
  • Patent number: 12004363
    Abstract: A light-emitting structure, a display panel and a display device. The light-emitting structure comprises a first light-emitting element. The first light-emitting element comprises a first light-emitting layer, a first electron transport layer and a first cathode. The first cathode is in contact with the first electron transport layer. The energy level of conduction band minimum (CBM) of the first electron transport layer is greater than the Fermi level of the first cathode. A difference between the energy level of CBM of the first electron transport layer and the Fermi level of the first cathode is in a range from 0.3 to 0.6 eV.
    Type: Grant
    Filed: February 26, 2020
    Date of Patent: June 4, 2024
    Assignees: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dong Li, Wenhai Mei, Boris Kristal
  • Patent number: 11998949
    Abstract: The present disclosure provides an acoustic transduction structure including: a base substrate and at least two acoustic transduction units on the base substrate, wherein vibrating cavities of two adjacent acoustic transduction units are spaced apart from each other in a direction parallel to a plane where the base substrate is located, and the at least two acoustic transduction units include: a central acoustic transduction unit and at least one annular acoustic transduction unit around the central acoustic transduction unit. The present disclosure also provides a method for manufacturing the acoustic transduction structure and an acoustic transducer.
    Type: Grant
    Filed: May 27, 2021
    Date of Patent: June 4, 2024
    Assignees: Beijing BOE Technology Development Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Tuo Sun
  • Patent number: 12002422
    Abstract: A display substrate and a display device. The display substrate includes a base substrate and a plurality of sub-pixels, a first power line and an electrical connection layer on the base substrate. Each sub-pixel includes a pixel circuit, and a plurality of sub-pixels are arranged in a plurality of rows and a plurality of columns along a first direction and a second direction. The sub-pixel is electrically connected with the light-emitting element through the electrical connection layer, and the portion, which is in the display region of the display substrate, of the electrical connection layer is not overlapped with the first power line in a direction perpendicular to the base substrate.
    Type: Grant
    Filed: September 14, 2020
    Date of Patent: June 4, 2024
    Assignees: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hongfei Cheng, Xueguang Hao, Hui Li, Chen Xu, Pan Li
  • Patent number: 11993808
    Abstract: The present disclosure relates to an experimental apparatus for a biochip comprising: an enclosure within which a chamber configured to hold the biochip and a solution is disposed, wherein the enclosure is provided with an observation area, for observing a reaction process of the biochip and the solution in the chamber during an experiment.
    Type: Grant
    Filed: April 7, 2020
    Date of Patent: May 28, 2024
    Assignees: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Defeng Mao
  • Patent number: 11992836
    Abstract: The present disclosure provides a microfluidic device and a manufacturing method therefor, and a method for detecting the number of biomolecules and a system for detecting the number of biomolecules. The microfluidic device includes a glass substrate; a plurality of first metal strips formed on the glass substrate; a photoresist covering the plurality of first metal strips; a fluid cavity formed in the photoresist; a plurality of second metal strips formed on the photoresist, wherein a head end of one first metal strip and a tail end of the other first metal strip in any adjacent two first metal strips are electrically coupled through a head end and a tail end of one second metal strip between the two first metal strips, so that the plurality of first metal strips and the plurality of second metal strips form a hollow inductor structure around the fluid cavity.
    Type: Grant
    Filed: June 16, 2020
    Date of Patent: May 28, 2024
    Assignees: Beijing BOE Technology Development Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Tuo Sun
  • Patent number: 11996637
    Abstract: Provided is an antenna unit, including a first substrate and a second substrate that are oppositely disposed, a liquid crystal layer located between the first substrate and the second substrate, and a third substrate located on a side of the second substrate away from the liquid crystal layer. The first substrate includes a first base substrate and a radiation unit layer. The second substrate includes a second base substrate and a ground layer. The radiation unit layer and the ground layer face the liquid crystal layer. The third substrate includes a third base substrate and a feed structure layer, wherein the feed structure layer is located on a side of the third base substrate away from the second substrate.
    Type: Grant
    Filed: October 18, 2021
    Date of Patent: May 28, 2024
    Assignees: Beijing BOE Technology Development Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yali Wang, Dongdong Zhang, Feng Qu
  • Patent number: 11997879
    Abstract: An array substrate is provided. The array substrate includes a plurality of pixel drive circuits. The plurality of pixel drive circuits include a first pixel drive circuit and a second pixel drive circuit that are adjacent to each other. The first electrode plate of the first pixel drive circuit and the pixel electrode of the second pixel drive circuit are laminated in an overlapping region and isolated by the insulating layer.
    Type: Grant
    Filed: July 30, 2020
    Date of Patent: May 28, 2024
    Assignees: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Pan Li, Xueguang Hao, Yongda Ma
  • Publication number: 20240169214
    Abstract: A knowledge graph updating method, an apparatus, an electronic device, a storage medium and a program thereof, relates to the field of computer technology. The method includes: receiving an updating request of a technical knowledge graph, the updating request includes: a technical-event node of the technical knowledge graph; extracting historical event information corresponding to the technical-event node from the technical knowledge graph; and updating event information of the technical-event node after a current time by using a target-technical-event prediction model; wherein, the target-technical-event prediction model is obtained by training a technical-event prediction model with the historical event information.
    Type: Application
    Filed: July 28, 2021
    Publication date: May 23, 2024
    Applicants: Beijing BOE Technology Development Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Qiong Wu, Boran Jiang, Ge Ou, Zhenzhong Zhang, Shuqi Wei, Mengjun Hou, Jijing Huang
  • Patent number: 11991906
    Abstract: The present disclosure provides a display substrate and a manufacturing method thereof, and a display device. The display substrate includes a plurality of pixel regions, each of the pixel regions including a display region provided with a pixel electrode and a driving region provided with a pixel circuit. The pixel circuit includes at least one pixel transistor having a first electrode and a second electrode which are coupled to an active layer of the at least one pixel transistor through connection vias, respectively. The driving region is further provided with a first plate of a storage capacitor, the first plate is insulated from and overlapped with the first electrode and the second electrode of the pixel transistor in a direction perpendicular to the display substrate, and the first plate is provided with openings at positions corresponding to at least some of the connection vias.
    Type: Grant
    Filed: July 31, 2020
    Date of Patent: May 21, 2024
    Assignees: Beijing BOE Technology Development Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yongda Ma, Xueguang Hao, Yong Qiao, Xinyin Wu
  • Patent number: 11991891
    Abstract: Disclosed are a display substrate and a method for manufacturing the same, and a display device, belonging to the technical field of display. The display substrate includes: a base substrate, an electroluminescent device layer on the base substrate, and a light-absorbing layer on a light-emitting side of the electroluminescent device layer, wherein the electroluminescent device layer is configured to emit initial light of a first color, wherein the initial light forms target light after passing through the light-absorbing layer, and a full width at half maximum of an emission spectrum of the initial light is greater than a full width at half maximum of an emission spectrum of the target light. According to the present disclosure, the display device is provided with a wider color gamut.
    Type: Grant
    Filed: February 21, 2020
    Date of Patent: May 21, 2024
    Assignees: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhuo Chen, Siyi Yin
  • Patent number: 11990690
    Abstract: The present disclosure provides an antenna and a communication device, the antenna includes a dielectric substrate, a first radiating element, a second radiating element and a switching element, the second radiating element surrounds the first radiating element, the second radiating element is of an open-loop structure, at least one first groove is provided in the first radiating element, each switching element corresponds to one first groove, the switching element includes a membrane bridge and a signal electrode, the signal electrode is arranged on the dielectric substrate, coupled to the second radiating element, and insulated from the first radiating element, the membrane bridge is arranged on a side of the first radiating element away from the dielectric substrate, each membrane bridge crosses over one first groove, and at least part of the signal electrode is located in a space defined by the membrane bridge and the first groove.
    Type: Grant
    Filed: December 16, 2021
    Date of Patent: May 21, 2024
    Assignees: Beijing BOE Technology Development Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chunxin Li, Jingwen Guo, Qianhong Wu, Feng Qu
  • Publication number: 20240164126
    Abstract: A luminescent device, a manufacturing method thereof, and a display apparatus, the luminescent device may avoid a fluorescence quenching problem of the quantum dot light-emitting layer due to the influence of the electron transport layer. The luminescent device includes: an anode, a quantum dot light-emitting layer, an electron transport layer, and a cathode in a stacked arrangement; the electron transport layer includes inorganic oxide nanoparticles and a porous frame structure, and the inorganic oxide nanoparticles are anchored in pores of the porous frame structure; the porous frame structure is configured to be formed by ligand reaction; a general structural formula of the ligand includes: A-X-Q; A is a coordinating group, and is configured to coordinate with the inorganic oxide nanoparticles, X is a regulator group, and is configured to increase or decrease an electron mobility, and Q is a frame group, and is configured to form a frame structure.
    Type: Application
    Filed: May 31, 2021
    Publication date: May 16, 2024
    Applicants: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Wenhai Mei