Patents by Inventor Qinghe WANG

Qinghe WANG 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).

  • Publication number: 20260190628
    Abstract: A display substrate and a display device are provided. The display substrate includes: a plurality of pixel units arranged on a base substrate; a first conductive layer, a semiconductor layer, a second conductive layer and a pixel definition layer sequentially arranged on the base substrate. A pixel driving circuit includes a sensing transistor, a storage capacitance and a capacitance wire. A source electrode and a drain electrode of the sensing transistor are located in the second conductive layer, a second capacitance electrode of the storage capacitance and the capacitance wire are located in the first conductive layer. The capacitance wire includes a capacitance wire body portion extending in a second direction. For one same sub-pixel, an orthographic projection of the capacitance wire body portion of the pixel driving circuit thereof on the base substrate is spaced apart from that of the light emitting region thereof on the base substrate.
    Type: Application
    Filed: February 24, 2026
    Publication date: July 2, 2026
    Inventors: Yang Zhang, Qinghe Wang, Haitao Wang, Duoduo Wang, Shan Liu, Xiaodong Zhang
  • Patent number: 12588360
    Abstract: A display substrate and a display device are provided. The display substrate includes: a plurality of pixel units arranged on a base substrate; a first conductive layer, a semiconductor layer, a second conductive layer and a pixel definition layer sequentially arranged on the base substrate. A pixel driving circuit includes a sensing transistor, a storage capacitance and a capacitance wire. A source electrode and a drain electrode of the sensing transistor are located in the second conductive layer, a second capacitance electrode of the storage capacitance and the capacitance wire are located in the first conductive layer. The capacitance wire includes a capacitance wire body portion extending in a second direction. For one same sub-pixel, an orthographic projection of the capacitance wire body portion of the pixel driving circuit thereof on the base substrate is spaced apart from that of the light emitting region thereof on the base substrate.
    Type: Grant
    Filed: April 28, 2022
    Date of Patent: March 24, 2026
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yang Zhang, Qinghe Wang, Haitao Wang, Duoduo Wang, Shan Liu, Xiaodong Zhang
  • Patent number: 12575295
    Abstract: Provided is a display panel. The display panel includes a substrate; and an insulating layer disposed on the substrate, and an auxiliary electrode, a light-emitting layer, and a cathode layer that are stacked in sequence, the insulating layer being provided with a first via, and the auxiliary electrode and the cathode layer being lapped with each other in the first via; wherein an opening in a side, distal from the substrate, of the first via is of a polygonal shape, and the light-emitting layer forms a broken line at each edge of the opening.
    Type: Grant
    Filed: November 9, 2021
    Date of Patent: March 10, 2026
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Ning Liu, Qinghe Wang, Jun Liu, Hao Yin, Bin Zhou, Liangchen Yan
  • Patent number: 12568746
    Abstract: A display substrate including a drive-circuit layer and a light-emitting structure layer, a preparation method thereof, and a display device, the light-emitting structure layer includes an anode, a pixel definition layer, an organic light-emitting layer and a cathode, and an auxiliary electrode and an organic light-emitting block, arranged sequentially, the pixel definition layer includes an anode opening exposing the anode and an electrode opening exposing the auxiliary electrode, the organic light-emitting block is separated from the organic light-emitting layer, the auxiliary electrode includes the first, second and third auxiliary electrodes arranged sequentially; the cathode includes a first horizontal lapping part lapping with the first auxiliary electrode and a second sidewall lapping part lapping with the second auxiliary electrode, the thickness of the second sidewall lapping part in the direction parallel to the substrate is greater than that of the first horizontal lapping part in the direction per
    Type: Grant
    Filed: April 21, 2021
    Date of Patent: March 3, 2026
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Qinghe Wang, Bin Zhou, Tongshang Su, Dacheng Zhang, Jun Wang, Ning Liu, Yongchao Huang, Jun Cheng, Liangchen Yan
  • Patent number: 12520701
    Abstract: The present disclosure provides a display substrate, a manufacturing method thereof and a display device. The present disclosure includes a driving circuit layer disposed on a substrate and a light emitting structure layer disposed at one side of the driving circuit layer away from the substrate, wherein the light emitting structure layer includes an anode, an organic light emitting layer, an organic light emitting block, a cathode and an auxiliary electrode, the organic light emitting layer is connected to the anode and the cathode respectively, the auxiliary electrode includes a bottom surface at one side close to the substrate, a top surface at a side away from the substrate and a side surface arranged between the bottom surface and the top surface.
    Type: Grant
    Filed: April 21, 2021
    Date of Patent: January 6, 2026
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Tongshang Su, Bin Zhou, Jun Cheng, Qinghe Wang, Ning Liu, Jun Wang, Dacheng Zhang, Liangchen Yan
  • Patent number: 12426363
    Abstract: Provided is a method for manufacturing a display panel. The method includes: forming a first electrostatic protective circuit and a source and drain conductive pattern on a base substrate, the base substrate including a target cutting region, wherein the target cutting region is overlapped with an orthographic projection of the first electrostatic protective circuit on the base substrate, and the target cutting region is overlapped with an orthographic projection of the source and drain conductive pattern on the base substrate; removing the source and drain conductive pattern within the target cutting region; forming a to-be-cut display panel by forming a superstructure on the base substrate; and cutting the to-be-cut display panel in the target cutting region.
    Type: Grant
    Filed: October 26, 2021
    Date of Patent: September 23, 2025
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Haitao Wang, Ming Wang, Jun Cheng, Bin Zhou, Jun Wang, Yongchao Huang, Tongshang Su, Qinghe Wang
  • Patent number: 12342678
    Abstract: The present disclosure provides an array substrate, a manufacturing method thereof, and a display device including the array substrate. The array substrate includes a substrate, a first electrode on the substrate, a light-emitting layer on a side of the first electrode away from the substrate, a second electrode on a side of the light-emitting layer away from the first electrode, and an auxiliary electrode on the side of the light-emitting layer away from the first electrode and electrically connected with the second electrode.
    Type: Grant
    Filed: April 8, 2021
    Date of Patent: June 24, 2025
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tongshang Su, Jun Cheng, Qinghe Wang, Yongchao Huang, Chao Wang, Zhiwen Luo, Liangchen Yan
  • Publication number: 20250204052
    Abstract: Provided is a gate driving circuit. The gate driving circuit includes a plurality of first transistors; wherein at least one first target transistor of the plurality of first transistors includes a first light-shielding layer disposed on a side of a base substrate, the first light-shielding layer being made of a conductive material; and a first gate metal layer and a first source/drain metal layer disposed on a side of the first light-shielding layer away from the base substrate; wherein the first light-shielding layer is connected to the first gate metal layer; and the at least one first target transistor further comprises: an active layer and a gate insulating layer; wherein the active layer, the gate insulating layer, the first gate metal layer and the first source/drain metal layer are sequentially laminated along a direction away from the first light-shielding layer.
    Type: Application
    Filed: February 25, 2025
    Publication date: June 19, 2025
    Inventors: Tongshang SU, Jun CHENG, Bin ZHOU, Ce ZHAO, Qinghe WANG, Jun WANG, Liangchen YAN
  • Patent number: 12328990
    Abstract: Disclosed are a preparation method thereof, a display panel, and a display device. The drive backboard comprises: a pixel circuit disposed on a base substrate; an anode disposed on a side of the pixel circuit facing away from the base substrate and electrically connected to the pixel circuit; and a first insulating layer disposed between the base substrate and the anode; the first insulating layer is provided with a groove surrounding the pixel circuit, the anode covers the first insulating layer, and an edge of the anode extends to an inner wall of the groove.
    Type: Grant
    Filed: December 30, 2020
    Date of Patent: June 10, 2025
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yang Zhang, Liangchen Yan, Bin Zhou, Qinghe Wang, Leilei Cheng, Wei Li, Tao Sun
  • Publication number: 20250160136
    Abstract: A display substrate includes a driving circuit layer arranged on a base and a light emitting structure layer arranged on one side, away from the base, of the driving circuit layer; the light emitting structure layer includes an anode, a pixel definition layer, an organic light emitting layer, a cathode, and an auxiliary electrode; the pixel definition layer has a first pixel opening exposing the anode and a second pixel opening exposing the auxiliary electrode; the organic light emitting layer connected to the anode and the cathode connected to the organic light emitting layer are arranged in the first pixel opening; the organic light emitting layer separated from the auxiliary electrode and the cathode located on one side, away from the base, of the organic light emitting layer are arranged in the second pixel opening; and the cathode is connected to the auxiliary electrode in the second pixel opening.
    Type: Application
    Filed: January 16, 2025
    Publication date: May 15, 2025
    Inventors: Jun WANG, Haitao WANG, Tongshang SU, Qinghe WANG, Ning LIU, Bin ZHOU, Jun CHENG
  • Patent number: 12274094
    Abstract: Provided is a gate driving circuit. The gate driving circuit includes a plurality of first transistors; wherein at least one first target transistor of the plurality of first transistors includes a first light-shielding layer disposed on a side of a base substrate, the first light-shielding layer being made of a conductive material; and a first gate metal layer and a first source/drain metal layer disposed on a side of the first light-shielding layer away from the base substrate; wherein the first light-shielding layer is connected to the first gate metal layer.
    Type: Grant
    Filed: October 12, 2021
    Date of Patent: April 8, 2025
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Tongshang Su, Jun Cheng, Bin Zhou, Ce Zhao, Qinghe Wang, Jun Wang, Liangchen Yan
  • Patent number: 12245466
    Abstract: The present disclosure provides an array substrate, a method for manufacturing the array substrate, a display panel and a display device. The array substrate includes: a substrate; a planarization layer on a side of the substrate; a pixel defining layer configured to define a pixel opening region and located on a side of the planarization layer away from the substrate; an anode in the pixel opening region and on a side of the planarization layer away from the substrate. The array substrate further includes an intermediate insulation layer between the planarization layer and the pixel defining layer. The intermediate insulation layer has a chemical polarity between a chemical polarity of the planarization layer and a chemical polarity of the pixel defining layer.
    Type: Grant
    Filed: November 5, 2020
    Date of Patent: March 4, 2025
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wei Li, Jingjing Xia, Bin Zhou, Yang Zhang, Guangyao Li, Wei Song, Xuanang Wang, Qinghe Wang, Liusong Ni, Jun Liu, Liangchen Yan, Ming Wang, Jingang Fang
  • Patent number: 12238969
    Abstract: The present disclosure provides a display substrate, a method for manufacturing the same, and a display device. The display substrate includes a drive circuit layer disposed on a base substrate and a light emitting structure layer disposed on a side of the drive circuit layer away from the base substrate. The light emitting structure layer includes an anode, an organic light emitting layer, a cathode, and an auxiliary electrode. The organic light emitting layer is respectively connected to the anode and the cathode, and the cathode is connected to the auxiliary electrode; in a plane parallel to the display substrate, an edge of the auxiliary electrode is provided with a structure depressed towards a center of the auxiliary electrode.
    Type: Grant
    Filed: February 26, 2021
    Date of Patent: February 25, 2025
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Tongshang Su, Bin Zhou, Jun Cheng, Qinghe Wang, Yongchao Huang, Dacheng Zhang, Liangchen Yan
  • Patent number: 12238973
    Abstract: A display substrate includes a driving circuit layer arranged on a base and a light emitting structure layer arranged on one side, away from the base, of the driving circuit layer; the light emitting structure layer includes an anode, a pixel definition layer, an organic light emitting layer, a cathode, and an auxiliary electrode; the pixel definition layer has a first pixel opening exposing the anode and a second pixel opening exposing the auxiliary electrode; the organic light emitting layer connected to the anode and the cathode connected to the organic light emitting layer are arranged in the first pixel opening; the organic light emitting layer separated from the auxiliary electrode and the cathode located on one side, away from the base, of the organic light emitting layer are arranged in the second pixel opening; and the cathode is connected to the auxiliary electrode in the second pixel opening.
    Type: Grant
    Filed: April 21, 2021
    Date of Patent: February 25, 2025
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Jun Wang, Haitao Wang, Tongshang Su, Qinghe Wang, Ning Liu, Bin Zhou, Jun Cheng
  • Patent number: 12237422
    Abstract: A thin film transistor, including: at least one active layer pattern including a first conductive pattern, a second conductive pattern, and a semiconductor pattern; a gate on a side of the active layer pattern; a first electrode and a second electrode on a side of the gate away from the active layer pattern, and respectively electrically connected with the first conductive pattern and the second conductive pattern, a conductive shielding pattern is provided corresponding to the semiconductor pattern in at least one active layer pattern, the conductive shielding pattern is on a side of the semiconductor pattern away from the gate and is electrically connected with the first electrode, and a buffer layer is between the conductive shielding pattern and the semiconductor pattern; an orthographic projection of the conductive shielding pattern on a plane where the semiconductor pattern corresponding thereto is located at least partially covers the semiconductor pattern corresponding.
    Type: Grant
    Filed: May 20, 2021
    Date of Patent: February 25, 2025
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Qinghe Wang, Tongshang Su, Jun Wang, Yongchao Huang, Haitao Wang, Ning Liu, Jun Cheng, Yingbin Hu
  • Patent number: 12224289
    Abstract: An array substrate includes gate lines, data lines and an insulating layer. The data lines all extend in a first direction, and the gate lines all extend in a second direction, the first direction intersecting the second direction. A data line includes first line segments and second line segments that all extend in the first direction and are arranged alternately. The second line segments are disposed at a side of the gate lines proximate to the base, and the first line segments are disposed at a side of the gate lines away from the base. There is no overlap among orthographic projections of the first line segments on the base and orthographic projections of the gate lines on the base. The insulating layer includes first vias. In the first direction, any two adjacent first line segments are electrically connected to a second fine segment through at least two first vias.
    Type: Grant
    Filed: June 19, 2020
    Date of Patent: February 11, 2025
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ning Liu, Wei Song, Yingbin Hu, Qinghe Wang, Feng Zhang, Chongchong Liu, Bin Zhou
  • Publication number: 20250048871
    Abstract: A display substrate and a display device are provided. The display substrate includes a base substrate, organic light-emitting elements, a data line, and an electrode line. The organic light-emitting element includes a first electrode, a light-emitting layer and a second electrode sequentially stacked; the data line is located between the base substrate and the organic light-emitting element; the electrode line is on the same layer as the data line and located in a region outside a light-emitting region of the organic light-emitting element. The display substrate further includes at least one connection portion, which is in the region outside the light-emitting region and is configured to connect the electrode line and the first electrode, the connection portion is spaced apart from the second electrode, and the light-emitting layer covers the second electrode and the at least one connection portion.
    Type: Application
    Filed: October 18, 2024
    Publication date: February 6, 2025
    Inventors: Ning LIU, Dacheng ZHANG, Tong WU, Jun LIU, Qinghe WANG, Yang ZHANG, Bin ZHOU, Liangchen YAN, Huadong WANG, Chongchong LIU, Jie ZHANG
  • Patent number: 12171126
    Abstract: A display substrate, a manufacturing method thereof, and a display device are provided. The display substrate includes a base substrate, organic light-emitting elements, a data line, and an electrode line. The organic light-emitting element includes a first electrode, a light-emitting layer and a second electrode sequentially stacked; the data line is located between the base substrate and the organic light-emitting element; the electrode line is on the same layer as the data line and located in a region outside a light-emitting region of the organic light-emitting element. The display substrate further includes at least one connection portion, which is in the region outside the light-emitting region and is configured to connect the electrode line and the first electrode, the connection portion is spaced apart from the second electrode, and the light-emitting layer covers the second electrode and the at least one connection portion.
    Type: Grant
    Filed: March 31, 2021
    Date of Patent: December 17, 2024
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY GROUP CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ning Liu, Dacheng Zhang, Tong Wu, Jun Liu, Qinghe Wang, Yang Zhang, Bin Zhou, Liangchen Yan, Huadong Wang, Chongchong Liu, Jie Zhang
  • Publication number: 20240389430
    Abstract: Provided is a display panel. The display panel includes a substrate; and an insulating layer disposed on the substrate, and an auxiliary electrode, a light-emitting layer, and a cathode layer that are stacked in sequence, the insulating layer being provided with a first via, and the auxiliary electrode and the cathode layer being lapped with each other in the first via; wherein an opening in a side, distal from the substrate, of the first via is of a polygonal shape, and the light-emitting layer forms a broken line at each edge of the opening.
    Type: Application
    Filed: November 9, 2021
    Publication date: November 21, 2024
    Inventors: Ning LIU, Qinghe WANG, Jun LIU, Hao YIN, Bin ZHOU, Liangchen YAN
  • Publication number: 20240389383
    Abstract: A display panel includes a base substrate, and pixel driving circuits disposed on the base substrate. A pixel driving circuit in the pixel driving circuits includes a driving transistor and a capacitor. A gate of the driving transistor is farther from the base substrate than an active layer of the driving transistor. An active portion of the active layer includes edges that are flush with respective edges of the gate. A first electrode plate of the capacitor is coupled to the gate of the driving transistor. A second electrode plate of the capacitor is disposed on a side of the gate away from the base substrate, and is able to shield light.
    Type: Application
    Filed: November 22, 2021
    Publication date: November 21, 2024
    Applicants: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yongchao HUANG, Qinghe WANG, Leilei CHENG, Tongshang SU, Jun LIU, Chao WANG, Jun CHENG, Liangchen YAN