Patents by Inventor Huijuan Zhang

Huijuan 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: 12295205
    Abstract: The present disclosure provides an organic electroluminescent device and a display panel. The organic electroluminescent device provided by the present disclosure includes: a first electrode, a second electrode and a light-emitting layer located between the first electrode and the second electrode, and an optical structure located at a side of the first electrode facing away from the light-emitting layer. A reflectance of the optical structure with respect to light of a specific wavelength band is greater than a reflectance of the optical structure with respect to light of a wavelength band other than the specific wavelength band, the light of the specific wavelength band being light emitted by the organic electroluminescent device, and a material for forming the optical structure includes at least one of nitrogen, oxygen, and fluorine.
    Type: Grant
    Filed: November 4, 2021
    Date of Patent: May 6, 2025
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yibing Fan, Chunyang Wang, Caiyu Qu, Huijuan Zhang, Liangjian Li, Zheng Liu
  • Patent number: 12213343
    Abstract: Provided are a display panel and a manufacturing method thereof, and a display device. The display panel includes: a base substrate including a display area and a peripheral area; sub-pixels located, at least one sub-pixel including a driving transistor including conductive layers; a first dam located at the peripheral area; a second dam located at the peripheral area and located on one side of the first dam away from the display area; an encapsulation layer, orthographic projections of the sub-pixels, the first and the second dam on the base substrate being located within that of the encapsulation layer; and at least one pressure sensor located on at least one of a first side of the second dam proximate to the first dam or a second side away from the first dam, wherein at least one resistor in each pressure sensor is located in a same layer as one conductive layer.
    Type: Grant
    Filed: December 23, 2020
    Date of Patent: January 28, 2025
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Dengyun Chen, Hao Liu, Huijuan Zhang
  • Patent number: 12189425
    Abstract: Provided in the present application are a display backplane and a fabrication method therefor, a display panel and a display device. The display backplane is divided into a display region and a non-display region which is arranged surrounding the display region, the non-display region comprising a fingerprint recognition region. The display backplane comprises: a base substrate; a thin film transistor array layer provided at one side of the base substrate; a capacitive electrode layer, which comprises a first electrode layer and a second electrode layer; a light-emitting element which is provided at the side of the thin film transistor array layer away from the base substrate; and a fingerprint recognition sensor, which is located in the fingerprint recognition region. Moreover, a drive electrode and a sensing electrode are respectively arranged on the same layer as the first electrode layer and the second electrode layer in the capacitive electrode layer.
    Type: Grant
    Filed: December 23, 2020
    Date of Patent: January 7, 2025
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Dengyun Chen, Hao Liu, Huijuan Zhang
  • Publication number: 20240338166
    Abstract: Provided in the disclosure are a display apparatus and a sound processing method thereof. The method includes: obtaining a control instruction for outputting an audio signal; in response to the control instruction, detecting a current audio output mode, the audio output mode including a normal mode and/or a low-latency mode; receiving audio data from a first external device in connection with the display apparatus via an external device interface, where a data format of the audio data is determined according to the audio output mode; based on that the audio output mode is the low-latency mode, performing a first type of sound effect processing on the audio data; and based on that the audio output mode is the normal mode, performing a second type of sound effect processing on the audio data.
    Type: Application
    Filed: June 20, 2024
    Publication date: October 10, 2024
    Inventors: Huijuan ZHANG, Haocheng YU, Yuanyuan CAO, Jiande WEI
  • Patent number: 12062725
    Abstract: The present disclosure provides a thin film transistor, a display panel and a display device. The thin film transistor includes a semiconductor material layer, a first insulating layer and a gate layer. The semiconductor material layer is at a side of a base substrate, and includes a first channel portion, a first doped portion and a second channel portion sequentially connected. The first insulating layer is at a side of the semiconductor material layer facing away from the base substrate. The gate layer is at a side of the first insulating layer facing away from the semiconductor material layer, and includes a first gate portion and a second gate portion. An orthographic projection of the first gate portion on the base substrate coincides with an orthographic projection of the first channel portion on the base substrate, and the first gate portion is configured to receive a gate driving signal.
    Type: Grant
    Filed: February 26, 2021
    Date of Patent: August 13, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dong Li, Shantao Chen, Huijuan Zhang
  • Patent number: 12033425
    Abstract: Provided is a display panel including a base substrate, a display function film layer, a filter film layer, and a fingerprint recognition circuit. The display function film layer is disposed on the base substrate, and the display function film layer is provided with a plurality of light-emitting regions. The filter film layer is disposed on a side of the display function film layer away from the base substrate, wherein the filter film layer is capable of transmitting light emitted from the plurality of light-emitting regions, and a material of the filter film layer comprises a conductive material. The fingerprint recognition circuit is disposed on the base substrate, wherein the fingerprint recognition circuit is connected to the filter film layer, and configured for fingerprint recognition based on light reflected by an obstacle and received by the filter film layer.
    Type: Grant
    Filed: October 25, 2021
    Date of Patent: July 9, 2024
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Caiyu Qu, Yanjun Hao, Hao Liu, Hejin Wang, Huijuan Zhang, Zheng Liu
  • Publication number: 20240205878
    Abstract: A wireless communication method and device are provided. The method comprises that: a sensing session initiation device executes a target sensing session establishment process according to the type of a target sensing session to be established, and/or the sensing session initiation device or a sensing session response device executes a target sensing end-of-session process according to the type of a target sensing session to be ended.
    Type: Application
    Filed: February 22, 2024
    Publication date: June 20, 2024
    Applicant: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Chaoming LUO, Lei HUANG, Huijuan ZHANG
  • Patent number: 12010884
    Abstract: Provided is an organic light-emitting display substrate and a manufacturing method thereof, and an organic light-emitting display device. The organic light-emitting display substrate includes a display area and an opening area located at the display area. The display area includes: a base substrate; a partition pattern layer located on one side of the base substrate and including a partition wall around the opening area, the partition wall including a wall portion and a blocking portion located on one side of the wall portion away from the base substrate, an orthographic projection of the blocking portion on the base substrate covering and having an area greater than that of the wall portion on the base substrate; and an organic evaporation layer located on one side of the partition pattern layer away from the base substrate, the organic evaporation layer is discontinuous by being blocked by the partition wall.
    Type: Grant
    Filed: November 6, 2019
    Date of Patent: June 11, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zunqing Song, Pinfan Wang, Fangxu Cao, Huijuan Zhang
  • Publication number: 20240179364
    Abstract: The disclosure provides a display apparatus and a communication connection method. The display apparatus includes: a display; a communicator, configured to receive information input from the terminal device; and a controller, in connection with the display and communicator and configured to: while the display apparatus is in communication connection with the terminal device, send network information of the display apparatus to the terminal device in response to change of device information of the display apparatus, so that the terminal device generates a request for obtaining device information according to the network information, wherein the request for obtaining the device information is configured to obtain changed device information of the display apparatus; and in response to the request for obtaining the device information sent from the terminal device, send the changed device information to the terminal device, and re-establish the communication connection with the terminal device.
    Type: Application
    Filed: February 2, 2024
    Publication date: May 30, 2024
    Inventors: Ziming ZHU, Chao SHANG, Wenzhu CHEN, Chen SUN, Yuanyuan HUANG, Yakai LU, Yating SHAO, Huijuan ZHANG, Junyi HUO
  • Patent number: 11980079
    Abstract: An array substrate, a display panel, a display apparatus, and a method for manufacturing the array substrate are provided. The array substrate includes: a base substrate; a plurality of pixels, at least one of the pixels including a pixel driver circuit and a light-emitting unit electrically connected to the pixel driver circuit; a fingerprint recognition structure including a first capacitor electrode configured to form a capacitor for fingerprint recognition between at least a part of a touch body and the first capacitor electrode in response to the at least a part of the touch body covering the first capacitor electrode. The fingerprint recognition structure is in the at least one pixel, the pixel driver circuit includes a thin film transistor including an active layer and a gate, and the first capacitor electrode is in the same layer as one of the active layer or the gate of the thin film transistor.
    Type: Grant
    Filed: March 9, 2021
    Date of Patent: May 7, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Caiyu Qu, Yanjun Hao, Hao Liu, Zunqing Song, Dong Li, Huijuan Zhang, Zheng Liu
  • Publication number: 20240120422
    Abstract: The present disclosure provides a thin film transistor, a display panel and a display device. The thin film transistor includes a semiconductor material layer, a first insulating layer and a gate layer. The semiconductor material layer is at a side of a base substrate, and includes a first channel portion, a first doped portion and a second channel portion sequentially connected. The first insulating layer is at a side of the semiconductor material layer facing away from the base substrate. The gate layer is at a side of the first insulating layer facing away from the semiconductor material layer, and includes a first gate portion and a second gate portion. An orthographic projection of the first gate portion on the base substrate coincides with an orthographic projection of the first channel portion on the base substrate, and the first gate portion is configured to receive a gate driving signal.
    Type: Application
    Filed: February 26, 2021
    Publication date: April 11, 2024
    Inventors: Dong LI, Shantao CHEN, Huijuan ZHANG
  • Patent number: 11927784
    Abstract: Provided is an anti-dazzling device, including a first electrode, a second electrode and a dimming structure, wherein the first electrode and the second electrode are disposed opposite to each other, and the dimming structure is disposed between the first electrode and the second electrode and is configured to change a light transmittance of the anti-dazzling device under action of voltage. An OLED display device and a method for manufacturing an anti-dazzling device are also provided.
    Type: Grant
    Filed: September 23, 2021
    Date of Patent: March 12, 2024
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Caiyu Qu, Yanjun Hao, Huijuan Zhang, Xueyan Tian, Zheng Liu
  • Patent number: 11923379
    Abstract: Provided is a method for preparing a display substrate. The method includes: providing a substrate, the substrate including a plurality of pixel island regions spaced apart and a plurality of bridge regions connecting adjacent pixel island regions; forming thin film transistors and first signal lines in the pixel island regions, and forming first connecting bridges in the bridge regions; and forming second signal lines, second connecting bridges, and a source/drain layer on the substrate by a one-time patterning process.
    Type: Grant
    Filed: April 4, 2023
    Date of Patent: March 5, 2024
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Caiyu Qu, Fangxu Cao, Yanjun Hao, Huijuan Zhang, Yibing Fan, Zunqing Song, Dengyun Chen
  • Publication number: 20240019899
    Abstract: Provided in the present application are a display backplane and a fabrication method therefor, a display panel and a display device. The display backplane is divided into a display region and a non-display region which is arranged surrounding the display region, the non-display region comprising a fingerprint recognition region. The display backplane comprises: a base substrate; a thin film transistor array layer provided at one side of the base substrate; a capacitive electrode layer, which comprises a first electrode layer and a second electrode layer; a light-emitting element which is provided at the side of the thin film transistor array layer away from the base substrate; and a fingerprint recognition sensor, which is located in the fingerprint recognition region. Moreover, a drive electrode and a sensing electrode are respectively arranged on the same layer as the first electrode layer and the second electrode layer in the capacitive electrode layer.
    Type: Application
    Filed: December 23, 2020
    Publication date: January 18, 2024
    Inventors: Dengyun CHEN, Hao LIU, Huijuan ZHANG
  • Patent number: 11854290
    Abstract: The present disclosure provides a display substrate and a display device, and belongs to the field of display technology. The display substrate of the present disclosure includes: a base substrate having a display region; a plurality of fingerprint identification circuits in the display region of the base substrate, wherein each fingerprint identification circuit includes a control sub-circuit and a detection electrode; wherein in a fingerprint identification phase, the control sub-circuit is configured to read a capacitance between the detection electrode and a valley and a ridge of a fingerprint in response to a fingerprint scanning signal, so as to perform fingerprint identification.
    Type: Grant
    Filed: September 18, 2020
    Date of Patent: December 26, 2023
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hao Liu, Yueping Zuo, Huijuan Zhang, Ming Liu, Zheng Liu
  • Publication number: 20230238397
    Abstract: Provided is a method for preparing a display substrate. The method includes: providing a substrate, the substrate including a plurality of pixel island regions spaced apart and a plurality of bridge regions connecting adjacent pixel island regions; forming thin film transistors and first signal lines in the pixel island regions, and forming first connecting bridges in the bridge regions; and forming second signal lines, second connecting bridges, and a source/drain layer on the substrate by a one-time patterning process.
    Type: Application
    Filed: April 4, 2023
    Publication date: July 27, 2023
    Inventors: Caiyu QU, Fangxu CAO, Yanjun HAO, Huijuan ZHANG, Yibing FAN, Zunqing SONG, Dengyun CHEN
  • Patent number: 11705461
    Abstract: Disclosed are a display substrate, a manufacturing method thereof, a display panel and a display device. The display panel comprises: a base substrate provided with a first area and a second area which are not overlapped with each other; a low temperature poly-silicon transistor arranged in the first area, the low temperature poly-silicon transistor comprises a poly-silicon active layer; an oxide transistor arranged in the second area, the oxide transistor comprises a first gate electrode; the first gate electrode is arranged in a same layer as the poly-silicon active layer, and a material of the first gate electrode is heavily-doped poly-silicon.
    Type: Grant
    Filed: June 24, 2021
    Date of Patent: July 18, 2023
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Dong Li, Yang Yu, Huijuan Zhang, Zheng Liu
  • Publication number: 20230189565
    Abstract: A thin film transistor is provided. The thin film transistor is disposed on a base substrate and includes: a first active layer; a first gate disposed on a side of the first active layer; a first insulating layer disposed on a side of the first gate away from the base substrate; and a source and a drain. The first gate includes a stacked structure including: a first conductive layer; and a first barrier layer disposed on a side of the first conductive layer away from the base substrate, where a side of the first barrier layer away from the base substrate is in direct contact with a side of the first insulating layer proximate to the base substrate. The first barrier layer includes TiNx1, where 0?x1<0.2, and x1 is a molar ratio of N to Ti.
    Type: Application
    Filed: September 30, 2021
    Publication date: June 15, 2023
    Inventors: Caiyu Qu, Yanjun Hao, Huijuan Zhang, Yibing Fan, Dengyun Chen, Zunqing Song, Dong Li, Zheng Liu
  • Patent number: 11670646
    Abstract: Provided are a display substrate, a preparation method thereof, and a display device. The display substrate includes: a substrate, a thin film transistor disposed in a pixel island region of the substrate, a first signal line disposed in the pixel island region and a first connecting bridge disposed in a bridge region of the substrate, wherein the first connecting bridge is electrically connected to a gate of the thin film transistor.
    Type: Grant
    Filed: March 8, 2021
    Date of Patent: June 6, 2023
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Caiyu Qu, Fangxu Cao, Yanjun Hao, Huijuan Zhang, Yibing Fan, Zunqing Song, Dengyun Chen
  • Publication number: 20230172025
    Abstract: An array substrate, a display panel, a display apparatus, and a method for manufacturing the array substrate are provided. The array substrate includes: a base substrate; a plurality of pixels, at least one of the pixels including a pixel driver circuit and a light-emitting unit electrically connected to the pixel driver circuit; a fingerprint recognition structure including a first capacitor electrode configured to form a capacitor for fingerprint recognition between at least a part of a touch body and the first capacitor electrode in response to the at least a part of the touch body covering the first capacitor electrode. The fingerprint recognition structure is in the at least one pixel, the pixel driver circuit includes a thin film transistor including an active layer and a gate, and the first capacitor electrode is in the same layer as one of the active layer or the gate of the thin film transistor.
    Type: Application
    Filed: March 9, 2021
    Publication date: June 1, 2023
    Inventors: Caiyu Qu, Yanjun Hao, Hao Liu, Zunqing Song, Dong Li, Huijuan Zhang, Zheng Liu