Patents by Inventor Yulong Wei

Yulong Wei 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: 20250113536
    Abstract: A display substrate includes a plurality of transistors, which includes dual-gate transistors, and further includes a substrate, a semiconductor layer, and a plurality of bridge portions. The semiconductor layer includes active patterns arranged at intervals; at least one active pattern includes an active portion and at least one via hole connection portion that are connected, and a via hole connection portion is located at an end of the active portion; the active portion corresponds to a transistor in the plurality of transistors, and is used to form a channel of the corresponding transistor. Each bridge portion connects via hole connection portions in different active patterns. A dual-gate transistor corresponds to two active patterns, and a bridge portion is connected to via hole connection portions in the two active patterns. A resistivity of a material of the bridge portion is less than that of a material of the semiconductor layer.
    Type: Application
    Filed: July 28, 2022
    Publication date: April 3, 2025
    Inventors: Xiaoxue Wen, Taofeng Xie, Yuanjie Xu, Shuang Li, Yulong Wei, Zhuangqi Zhou
  • Publication number: 20250107377
    Abstract: A display panel includes a display area (110) and a non-display area (120), wherein the non-display area (120) includes a first non-display area; a signal line layer (200) is arranged on a side of a base substrate (100); a touch layer (300) is arranged on a side of the signal line layer (200) away from the base substrate (100), and includes a plurality of touch lines (310), wherein, in at least part of the touch lines (310) in the first non-display area, a first touch line (311) and a second touch line (312) belonging to the same touch line (310) respectively have a first center line O1 and a second center line O2, and in a direction perpendicular to the extension of the touch line (310), the first center line O1 and the second center line O2 are not aligned.
    Type: Application
    Filed: November 30, 2022
    Publication date: March 27, 2025
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shuang LI, Taofeng XIE, Yulong WEI, Daiying ZHANG, Guanghua XU, Xiaodong CHU
  • Publication number: 20250104645
    Abstract: A display substrate and a display apparatus. The display substrate includes a base substrate and a drive circuit layer provided on the base substrate. The base substrate includes a display region (100) and a non-display region (200), the drive circuit layer includes a pixel drive circuit (PE) located in the display region, a gate drive circuit located in the non-display region and at least one initial power supply line extending at least partially in a first direction (D1). The gate drive circuit is configured to provide a drive signal to the pixel drive circuit, and the initial power supply line is configured to provide an initial signal to the pixel drive circuit. An orthographic projection of at least one of the at least one initial power supply line on the base substrate is at least partially overlapped with an orthographic projection of the gate drive circuit on the base substrate.
    Type: Application
    Filed: December 21, 2022
    Publication date: March 27, 2025
    Inventors: Guanghua XU, Lu BAI, Xiaodong CHU, Shihsyong HUANG, Yulong WEI, Daiying ZHANG, Taofeng XIE
  • Patent number: 12216849
    Abstract: A display panel is provided. The display panel comprises: a touch electrode layer at least partially in a display area of the display panel; a gate-on-array in a peripheral area of the display panel; and a crack detection circuit; wherein at least a portion of signal lines in the crack detection circuit comprises a metal line in a same layer as mesh lines of the touch electrode layer.
    Type: Grant
    Filed: December 23, 2021
    Date of Patent: February 4, 2025
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Bo Zhang, Hongwei Ma, Yulong Wei, Yi Qu, Zhiwen Chu, Xinxin Wang
  • Patent number: 12200986
    Abstract: A display substrate, a manufacturing method thereof, and a display device are provided. The display substrate includes a base substrate, a sub-pixel unit, a data line, a scan line, a plurality of test contact pads, a first peripheral-zone insulating layer and an auxiliary electrode layer. The base substrate includes a display zone and a peripheral zone, the peripheral zone including a test bonding zone. Each of the plurality of the test contact pads includes a first test-contact-pad metal layer and a second test-contact-pad metal layer, wherein the second test-contact-pad metal layer covers the first test-contact-pad metal layer and contacts the first test-contact-pad metal layer in at least portion of a periphery of the first test-contact-pad metal layer. The auxiliary electrode layer includes a plurality of first relay electrode patterns located within the test bonding zone and a plurality of auxiliary electrodes located within the display zone.
    Type: Grant
    Filed: March 12, 2020
    Date of Patent: January 14, 2025
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Bo Zhang, Rong Wang, Yulong Wei
  • Publication number: 20240357891
    Abstract: A display substrate, a manufacturing method thereof and a display apparatus are provided. The display region of the display substrate includes an opening, and a first display region and a second display region located at opposite sides of the opening, and the peripheral region includes an opening peripheral region at least partially located in the opening. The display substrate further includes a first wire and a second wire arranged on a same layer; the first wire and the second wire pass through the first display region, the opening peripheral region and the second display region, sequentially; in the opening peripheral region, the first wire includes a first bent portion, the second wire includes a second bent portion, and the first bent portion and the second bent portion are arranged side by side along the first direction.
    Type: Application
    Filed: July 2, 2024
    Publication date: October 24, 2024
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yulong WEI, Zhiwen CHU, Fuqiang YANG
  • Publication number: 20240315098
    Abstract: A display substrate, a manufacturing method thereof, and a display device are provided. The display substrate includes a base substrate, a sub-pixel unit, a data line, a scan line, a plurality of test contact pads, a first peripheral-zone insulating layer and an auxiliary electrode layer. The base substrate includes a display zone and a peripheral zone, the peripheral zone including a test bonding zone. Each of the plurality of the test contact pads includes a first test-contact-pad metal layer and a second test-contact-pad metal layer, wherein the second test-contact-pad metal layer covers the first test-contact-pad metal layer and contacts the first test-contact-pad metal layer in at least portion of a periphery of the first test-contact-pad metal layer. The auxiliary electrode layer includes a plurality of first relay electrode patterns located within the test bonding zone and a plurality of auxiliary electrodes located within the display zone.
    Type: Application
    Filed: March 29, 2024
    Publication date: September 19, 2024
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Bo ZHANG, Rong WANG, Yulong WEI
  • Patent number: 12082460
    Abstract: Disclosed are a display substrate, a manufacturing method thereof and a display apparatus. The display region of the display substrate includes an opening, and a first display region and a second display region located at opposite sides of the opening, and the peripheral region includes an opening peripheral region at least partially located in the opening. The display substrate further includes a first wire and a second wire arranged on a same layer; the first wire and the second wire pass through the first display region, the opening peripheral region and the second display region, sequentially; in the opening peripheral region, the first wire includes a first bent portion, the second wire includes a second bent portion, and the first bent portion and the second bent portion are arranged side by side along the first direction.
    Type: Grant
    Filed: February 27, 2020
    Date of Patent: September 3, 2024
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yulong Wei, Zhiwen Chu, Fuqiang Yang
  • Patent number: 12075686
    Abstract: The present disclosure provides a display substrate, a manufacturing method thereof, and a display device. The display substrate includes a base substrate and a plurality of subpixels arranged on the base substrate in an array form. The plurality of subpixels includes a plurality of display subpixels at a display region of the display substrate and a plurality of virtual subpixels, and at least a part of the virtual subpixels are arranged adjacent to the display subpixels. The virtual subpixel includes a first potential signal line pattern, a virtual subpixel driving circuit including a virtual driving transistor and a first conductive connection member coupled to a gate electrode of the virtual driving transistor, and a second conductive connection member coupled to the first conductive connection member and the first potential signal line pattern.
    Type: Grant
    Filed: June 24, 2020
    Date of Patent: August 27, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Bo Zhang, Xiangdan Dong, Junxi Wang, Yixiang Yang, Yulong Wei, Jie Gou, Rong Wang
  • Publication number: 20240272753
    Abstract: The touch display panel includes a display area and a peripheral area located outside the display area. Part of the peripheral area protrudes in a direction away from the display area to form a lead-out area. The lead-out area has a bonding part. The touch display panel includes a display substrate, a touch layer, and switching circuits. The touch layer is provided on a side of the display substrate, and includes at least two touch islands arranged in an array. There is a gap between two adjacent touch islands. Each touch island includes at least two touch electrodes. The touch electrodes include at least two sensing electrodes for outputting sensing signals. The switching circuits are at least partially provided in the peripheral area. A touch island is connected to the bonding part through a switching circuit.
    Type: Application
    Filed: April 26, 2022
    Publication date: August 15, 2024
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Jun YAN, Xiangdan DONG, Haijun QIU, Ming HU, Yulong WEI
  • Publication number: 20240244908
    Abstract: A flexible display panel, a display device and a forming method are provided. The flexible display panel includes a display area and a non-display area, where the non-display area includes a bending sub-area and a binding sub-area, and the bending sub-area is configured to bend the binding sub-area to a side away from the display area, the bending sub-area includes a first organic layer, a second organic layer and a metal wiring layer between the first organic layer and the second organic layer arranged on the substrate, the touch wiring layer is electrically connected to the metal wiring layer; in response to the bending sub-area being in a bending state, a vertical distance from a bending neutral layer of the bending sub-area to the metal wiring layer is smaller than a preset distance.
    Type: Application
    Filed: March 28, 2024
    Publication date: July 18, 2024
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yulong WEI, Xiangdan DONG, Jun YAN, Mengmeng DU
  • Publication number: 20240211061
    Abstract: A display panel is provided. The display panel comprises: a touch electrode layer at least partially in a display area of the display panel; a gate-on-array in a peripheral area of the display panel; and a crack detection circuit; wherein at least a portion of signal lines in the crack detection circuit comprises a metal line in a same layer as mesh lines of the touch electrode layer.
    Type: Application
    Filed: December 23, 2021
    Publication date: June 27, 2024
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Bo Zhang, Hongwei Ma, Yulong Wei, Yi Qu, Zhiwen Chu, Xinxin Wang
  • Patent number: 11974475
    Abstract: A flexible display panel, a display device and a forming method are provided. The flexible display panel includes a display area and a non-display area, where the non-display area includes a bending sub-area and a binding sub-area, and the bending sub-area is configured to bend the binding sub-area to a side away from the display area, the bending sub-area includes a first organic layer, a second organic layer and a metal wiring layer between the first organic layer and the second organic layer arranged on the substrate, the touch wiring layer is electrically connected to the metal wiring layer; in response to the bending sub-area being in a bending state, a vertical distance from a bending neutral layer of the bending sub-area to the metal wiring layer is smaller than a preset distance.
    Type: Grant
    Filed: February 28, 2020
    Date of Patent: April 30, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yulong Wei, Xiangdan Dong, Jun Yan, Mengmeng Du
  • Publication number: 20240121986
    Abstract: A display substrate and a display device are provided. The display substrate includes a base substrate and a plurality of sub-pixels on the base substrate. Each sub-pixel includes a pixel circuit; pixel circuits are in columns in a first direction and rows in a second direction. The sub-pixels include a first sub-pixel, and the display substrate further includes a first data line extended in the first direction and connected with the first sub-pixel. The sub-pixels further include a second sub-pixel directly adjacent to the first sub-pixel in the second direction. A first capacitor electrode in the first sub-pixel and a first capacitor electrode in the second sub-pixel are in a same layer and are spaced apart from each other; and the first capacitor electrode in the first sub-pixel is overlapped with the first data line in a direction perpendicular to the base substrate to provide a first capacitor.
    Type: Application
    Filed: December 4, 2023
    Publication date: April 11, 2024
    Inventors: Shuangbin YANG, Bo CHENG, Yulong WEI, Xiangdan DONG
  • Patent number: 11930669
    Abstract: The present disclosure provides a display panel and a manufacturing method thereof, and a display device. The display panel includes a base substrate, a light shielding layer and a pixel definition layer which are provided on the base substrate in turn; the light shielding layer includes an imaging pinhole; the display panel further includes a plurality of fingerprint recognition sensors arranged in an array, the fingerprint recognition sensors are provided on the base substrate; the light shielding layer is provided on a light incoming side of the fingerprint recognition sensors; a minimum distance between the imaging pinhole and the organic light emitting layer in the red sub-pixel is less than a minimum distance between the imaging pinhole and the organic light emitting layer in the green sub-pixel and is also less than a minimum distance between the imaging pinhole and the organic light emitting layer in the blue sub-pixel.
    Type: Grant
    Filed: September 27, 2019
    Date of Patent: March 12, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Bo Zhang, Yulong Wei
  • Publication number: 20240081106
    Abstract: The present disclosure provides a display panel and a manufacturing method thereof, and a display device. The display panel includes a base substrate, a light shielding layer and a pixel definition layer which are provided on the base substrate in turn; the light shielding layer includes an imaging pinhole; the display panel further includes a plurality of fingerprint recognition sensors arranged in an array, the fingerprint recognition sensors are provided on the base substrate; the light shielding layer is provided on a light incoming side of the fingerprint recognition sensors; a minimum distance between the imaging pinhole and the organic light emitting layer in the red sub-pixel is less than a minimum distance between the imaging pinhole and the organic light emitting layer in the green sub-pixel, and is also less than a minimum distance between the imaging pinhole and the organic light emitting layer in the blue sub-pixel.
    Type: Application
    Filed: November 10, 2023
    Publication date: March 7, 2024
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Bo Zhang, Yulong Wei
  • Patent number: 11910670
    Abstract: A display substrate and a manufacturing method thereof, and a compensating method for wire load are provided. The display substrate includes a display region and a peripheral region. The display region has an opening, and the peripheral region includes an opening peripheral region at least partially in the opening; at least one wire is provided in the display region and the opening peripheral region. Each of the at least one wire includes two portions, a first portion is spaced apart and insulated from the semiconductor pattern and the conductive pattern, to provide at least one first compensation unit, and a second portion is spaced apart and insulated from one of the semiconductor pattern and the conductive pattern, to provide at least one second compensation unit.
    Type: Grant
    Filed: February 27, 2020
    Date of Patent: February 20, 2024
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yulong Wei, Mengmeng Du, Xiaoqing Shu, Jiping Zhao
  • Patent number: 11903256
    Abstract: A display substrate and a display device are provided. The display substrate includes a base substrate and a plurality of sub-pixels on the base substrate. Each sub-pixel includes a pixel circuit; pixel circuits are in columns in a first direction and rows in a second direction. The sub-pixels includes a first sub-pixel, and the display substrate further includes a first data line extended in the first direction and connected with the first sub-pixel. The sub-pixels further includes a second sub-pixel directly adjacent to the first sub-pixel in the second direction. A first capacitor electrode in the first sub-pixel and a first capacitor electrode in the second sub-pixel are in a same layer and are spaced apart from each other; and the first capacitor electrode in the first sub-pixel is overlapped with the first data line in a direction perpendicular to the base substrate to provide a first capacitor.
    Type: Grant
    Filed: July 29, 2022
    Date of Patent: February 13, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shuangbin Yang, Bo Cheng, Yulong Wei, Xiangdan Dong
  • Patent number: 11901246
    Abstract: Provided is a display panel, including a through hole, an isolation area, and a display area. The isolation area is around the through hole. The isolation area is between the through hole and the display area. The isolation area includes at least two graphic marks for detecting the hole accuracy of the through hole. The at least two graphic marks are spaced apart from each other around the through holes. Graphic marks are arranged in an isolation area of a display panel. The isolation area is between a through hole and a display area. That is, the graphic marks are around the through hole.
    Type: Grant
    Filed: April 9, 2020
    Date of Patent: February 13, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhiwen Chu, Xiangdan Dong, Yulong Wei
  • Publication number: 20230380234
    Abstract: A display panel having a bonding region for bonding a flexible printed circuit in a peripheral region is provided. The display panel includes a plurality of first signal lines on a base substrate; and a plurality of bonding pins on the base substrate and in the bonding region. The plurality of bonding pins include a plurality of first bonding pins respectively electrically connected to the plurality of first signal lines. The display panel further includes a plurality of connecting portions respectively connecting the plurality of first signal line portions to the plurality of first bonding pin portions. The respective first bonding pin portion includes a first sub-layer, a second sub-layer, and a third sub-layer, stacked together. The respective connecting portion is in a same layer as one of the first sub-layer, a second sub-layer, and a third sub-layer.
    Type: Application
    Filed: August 1, 2023
    Publication date: November 23, 2023
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Donghui Tian, Bo Zhang, Zhiwen Chu, Rong Wang, Yulong Wei