Patents by Inventor Yudiao CHENG

Yudiao CHENG 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: 12190801
    Abstract: The present disclosure discloses a display panel and a display device. The display panel includes a base substrate including a first display region and a second display region. Since pixel circuits for driving light-emitting elements in the second display region are only disposed in the first display region but not disposed in the second display region, the light transmittance of the second display region is ensured to be good. Correspondingly, the display panel in the present disclosure has a good display effect.
    Type: Grant
    Filed: October 30, 2023
    Date of Patent: January 7, 2025
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yudiao Cheng, Benlian Wang, Yao Huang, Weiyun Huang, Lili Du, Yue Long
  • Patent number: 12183274
    Abstract: The present disclosure provides display substrate and display device, and belongs to the field of display technology. The display substrate of the disclosure has mounting region, first display region adjacent to mounting region, and second display region surrounding first display region and/or mounting region. The display substrate comprises: substrate; driving circuit layer on substrate and comprising pixel driving circuits in first display region and second display region, and arrangement density of pixel driving circuits in second display region is less than that of pixel driving circuits in second display region; and light emitting devices in mounting region, first display region, and second display region, first electrode of each light emitting device being electrically coupled to a corresponding pixel driving circuit, and pixel driving circuit electrically coupled to first electrode of light emitting device in the mounting region being located in first display region.
    Type: Grant
    Filed: September 28, 2023
    Date of Patent: December 31, 2024
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD
    Inventors: Yudiao Cheng, Benlian Wang, Meng Li, Weiyun Huang, Yao Huang
  • Publication number: 20240423044
    Abstract: A display substrate and a display apparatus are provided. The display substrate includes a first display region and a second display region; the first display region is located at a periphery of the second display region; the first display region includes first light-emitting elements, first pixel circuits, second pixel circuits, and third pixel circuits; the second display region includes second light-emitting elements; the second pixel circuits are connected with the second light-emitting elements; the third pixel circuit is a dummy pixel circuit. The display substrate further includes first data lines and second data lines, the first data lines are configured to be connected with the first pixel circuits, and the second data lines are configured to be connected with at least the second pixel circuits. Part of the third pixel circuits overlap with the second data lines are insulated from the second data lines.
    Type: Application
    Filed: August 27, 2024
    Publication date: December 19, 2024
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yudiao CHENG, Binyan WANG, Yue LONG, Weiyun HUANG
  • Publication number: 20240420639
    Abstract: A display substrate includes a first display region and a second display region located at at least one side of the first display region, a light transmittance of the first display region is greater than that of the second display region. The first display region is provided with first light emitting devices, the second display region is provided with a first pixel driving circuits, second pixel driving circuits, and second light emitting devices. The first pixel driving circuit drives the first light emitting device, and the second pixel driving circuit drives the second light emitting device. The second display region further includes initialization signal lines respectively connected with the first pixel driving circuits and the second pixel driving circuits and apply initialization signals thereto. The first pixel driving circuit and the second pixel driving circuit are respectively connected to different initialization signal lines.
    Type: Application
    Filed: June 14, 2022
    Publication date: December 19, 2024
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhuoran YAN, Ni YANG, Yuanjie XU, Lili DU, Yudiao CHENG, Qiwei WANG
  • Patent number: 12167654
    Abstract: A display substrate and a display apparatus are provided, including a first side for displaying and a second side opposite the first side, a base substrate, a display area, at least one connection line and at least one transfer electrode. Each of the at least one connection line at least partially extends in a first direction and is connected to first power lines respectively connected to adjacent first pixel unit groups in a first display area in the first direction; and each of the at least one transfer electrode at least partially extends in the first direction and is connected to first signal lines that are respectively connected to the adjacent first pixel unit groups in the first display area in the first direction, film layers where at least part of the at least one transfer electrode and each of the at least one connection line are located are different.
    Type: Grant
    Filed: May 13, 2021
    Date of Patent: December 10, 2024
    Assignees: Beijing BOE Technology Development Co., Ltd., Chnegdu BOE Optoelectronics Technology Co., Ltd.
    Inventors: Yue Long, Yudiao Cheng, Chao Wu, Weiyun Huang, Xingliang Xiao, Benlian Wang, Yao Huang
  • Publication number: 20240397780
    Abstract: A display substrate and a display device are provided, the display substrate includes a first display region and a second display region; the first display region includes a first sub-region, which includes first red sub-pixels, first green sub-pixels and first blue sub-pixels; the second display region includes a first circuit region, a second circuit region, and a third circuit region; first light-emitting devices of the first red sub-pixels are electrically connected to the red pixel driving circuits in the second circuit region respectively through first transparent wires, a plurality of first light-emitting devices of the first green sub-pixels are electrically connected to the first green pixel driving circuits in the first circuit region respectively through second transparent wires, and first light-emitting devices of the first blue sub-pixels are electrically connected to the first blue pixel driving circuits in the third circuit region respectively through third transparent wires.
    Type: Application
    Filed: January 20, 2022
    Publication date: November 28, 2024
    Inventors: Yudiao CHENG, Lili DU, Ni YANG, Zhuoran YAN
  • Patent number: 12154500
    Abstract: A display panel and a display device are provided. The display panel includes: a pixel unit including a pixel circuit and a light-emitting element, the pixel circuit including a driving transistor and a data writing transistor; and a data line connected to the data writing transistor; the data line includes a plurality of first-type data lines and a plurality of second-type data lines, each of the plurality of second-type data lines includes a first portion, a second portion, and a third portion, and the first portion and the second portion are connected by the third portion, the third portion and the second portion are located in different layers, the third portion and the first portion are located in different layers, the first portion is closer to the base substrate than the third portion, and the second portion is closer to the base substrate than the third portion.
    Type: Grant
    Filed: April 30, 2021
    Date of Patent: November 26, 2024
    Assignees: Beijing BOE Technology Development Co., Ltd., Chengdu BOE Optoelectronics Technology Co., Ltd.
    Inventors: Yue Long, Yao Huang, Lili Du, Weiyun Huang, Yuanjie Xu, Binyan Wang, Yudiao Cheng
  • Publication number: 20240389417
    Abstract: A display panel has a primary display area and a secondary display area adjacent to each other, and includes a plurality of light emitting devices, a plurality of pixel circuits, a plurality of first connection wires, a plurality of second connection wires and a plurality of compensation portions. The plurality of second connection wires are connected between another part of the light emitting devices and another part of the pixel circuits. A capacitance per unit area of the second connection wires is smaller than a capacitance per unit area of the first connection wires. The plurality of compensation portions are correspondingly connected with the plurality of second connection wires.
    Type: Application
    Filed: June 22, 2022
    Publication date: November 21, 2024
    Inventors: Binyan WANG, Cong LIU, Yudiao CHENG
  • Publication number: 20240381740
    Abstract: A display substrate has a display region, an encapsulation region and a peripheral region. The display substrate includes a base substrate, a pixel definition layer, and a photo spacer layer. The photo spacer layer includes a plurality of peripheral photo spacers disposed in the peripheral region. A direction perpendicular to a border of the display region adjacent to the plurality of peripheral photo spacers is a first direction. In the first direction, a distance from a peripheral photo spacer of the plurality of peripheral photo spacers closest to the encapsulation region to the encapsulation region is a first distance, and a distance from the peripheral photo spacer of the plurality of peripheral photo spacers closest to the encapsulation region to the display region is a second distance. The first distance is less than or equal to the second distance.
    Type: Application
    Filed: June 30, 2022
    Publication date: November 14, 2024
    Inventors: Yudiao CHENG, Fengli JI, Yanwei LU, Zhuoran YAN, Hongjun ZHOU
  • Publication number: 20240381714
    Abstract: The present disclosure provides a display substrate, which includes a base substrate (101), a first power supply line (321a), a plurality of first signal leads (341), a plurality of test connection traces (342), at least one first connection line (381), and a plurality of test signal access pins (361). At least one first signal lead (341) is electrically connected to at least one test signal access pin (361) through at least one test connection trace (342). The first connection line (381) is located at a side of the plurality of test connection traces (342) and the plurality of test signal access pins (361) close to an edge of the peripheral area in a first direction (X). The first connection line (381) at least extends along a second direction (Y) and is electrically connected to the first power supply line (321a).
    Type: Application
    Filed: June 29, 2022
    Publication date: November 14, 2024
    Inventors: Yanwei LU, Zhuoran YAN, Quan SHI, Chengjie QIN, Yudiao CHENG, Shengsen WANG
  • Publication number: 20240371325
    Abstract: A pixel circuit, a display substrate, a display panel, and a display device are provided. The pixel circuit includes: a first driving circuit, a second driving circuit, a first light-emitting control circuit, and a second light-emitting control circuit. The first light-emitting control circuit is configured to control a connection between the first driving circuit and the light-emitting element and a connection between the first driving circuit and the first power line to be turned on or off; the second light-emitting control circuit is configured to control a connection between the second driving circuit and the light-emitting element and a connection between the second driving circuit and the second power line to be turned on or off; the first driving circuit and the second driving circuit are configured to control a driving current for driving the light-emitting element to emit light based on the same data voltage.
    Type: Application
    Filed: July 18, 2024
    Publication date: November 7, 2024
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Pinchao GU, Weiyun HUANG, Yudiao CHENG, Chao WU
  • Patent number: 12136389
    Abstract: The present disclosure relates to a terminal device, a display apparatus, a display panel, and a manufacturing method thereof, which is related to the field of display. The display panel includes a drive back plate, having a light transmitting region and a drive region at least partially surrounding the light transmitting region, wherein the drive region has a plurality of pixel circuits and at least includes first pixel circuits and second pixel circuits; a transfer layer, provided on a side of the drive back plate and including a plurality of layers of mutually insulated lead layers, wherein each of the lead layers includes a plurality of mutually insulated leads; each lead extends from the light transmitting region to the drive region and is connected to one of the first pixel circuits; a light emitting layer, provided on a side of the transfer layer away from the drive back plate.
    Type: Grant
    Filed: November 6, 2020
    Date of Patent: November 5, 2024
    Assignees: CHENGDU BO OPTOELECTRONICS TECHNOLOGY., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lili Du, Yue Long, Weiyun Huang, Benlian Wang, Qiwei Wang, Yudiao Cheng
  • Publication number: 20240365652
    Abstract: The present disclosure provides a to-be-evaporated substrate, a display substrate and a method of manufacturing a display substrate. The to-be-evaporated substrate may include: a substrate including a to-be-evaporated region and a non-evaporated region, where the non-evaporated region surrounds the to-be-evaporated region; a support pattern, disposed on the substrate and located in the non-evaporated region, where the support pattern includes a plurality of supporters for supporting a mask and further includes a first symmetrical pattern formed by a plurality of supporters, and the plurality of supporters forming the first symmetrical pattern are arranged along a perimeter of the to-be-evaporated region. The present disclosure can improve evaporation effect.
    Type: Application
    Filed: May 31, 2022
    Publication date: October 31, 2024
    Inventors: Chengjie QIN, Hongjun ZHOU, Zhuoran YAN, Yanwei LU, Quan SHI, Yudiao CHENG, Zhenli ZHOU, Fengli JI
  • Patent number: 12133432
    Abstract: A display substrate and a display apparatus are provided. The display substrate includes a first display region and a second display region; the first display region is located at a periphery of the second display region; the first display region includes first light-emitting elements, first pixel circuits, second pixel circuits, and third pixel circuits; the second display region includes second light-emitting elements; the second pixel circuits are connected with the second light-emitting elements; the third pixel circuit is a dummy pixel circuit. The display substrate further includes first data lines and second data lines, the first data lines are configured to be connected with the first pixel circuits, and the second data lines are configured to be connected with at least the second pixel circuits. Part of the third pixel circuits overlap with the second data lines are insulated from the second data lines.
    Type: Grant
    Filed: April 30, 2021
    Date of Patent: October 29, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yudiao Cheng, Binyan Wang, Yue Long, Weiyun Huang
  • Patent number: 12131695
    Abstract: A display panel includes: a drive backplane having a transparent region and a pixel region surrounding the transparent region, wherein a plurality of pixel circuits are provided in the pixel region, and the pixel circuits include a plurality of columns of first pixel circuits and a plurality of columns of second pixel circuits distributed along a row direction; and a light-emitting layer including a plurality of light-emitting devices, wherein the light-emitting devices include a plurality of first light-emitting devices located in the transparent region and a plurality of second light-emitting devices located in the pixel region, each of the first light-emitting devices is connected to one of the first pixel circuits via one of transparent electric conductors, and a deviation between delay time of a signal transmitted by any of the electric conductors and a standard delay time is not greater than a deviation threshold.
    Type: Grant
    Filed: November 6, 2020
    Date of Patent: October 29, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yudiao Cheng, Yue Long, Yuanyou Qiu, Qiwei Wang, Chao Wu
  • Patent number: 12125437
    Abstract: Provided is a display substrate, which includes: a base substrate disposed with a first display region and a second display region, multiple second-region light emitting elements located in the second display region, and multiple second-type pixel circuits located in the first display region. The first display region is located at at least one side of the second display region. The multiple second-type pixel circuits include multiple pixel circuits of a first structure and multiple pixel circuits of a second structure. At least one pixel circuit of the multiple pixel circuits of the first structure is connected with at least one second-region light emitting element of the multiple second-region light emitting elements through a first group of conductive lines.
    Type: Grant
    Filed: April 27, 2021
    Date of Patent: October 22, 2024
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yao Huang, Yudiao Cheng
  • Publication number: 20240306443
    Abstract: A display baseplate and a manufacturing method thereof, and a display device, relate to the technical field of displaying. The display baseplate includes an active area and a border area located on at least one side of the active area. The border area includes: a substrate; and a first conductive layer disposed on one side of the substrate; wherein at least one first opening is disposed on the first conductive layer, and the orthographic projection of the first conductive layer on the substrate does not overlap with an orthographic projection of the at least one first opening on the substrate.
    Type: Application
    Filed: June 23, 2022
    Publication date: September 12, 2024
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hongjun Zhou, Juntao Chen, Zhenli Zhou, Chengjie Qin, Yudiao Cheng, Quan Shi
  • Publication number: 20240290796
    Abstract: Provided is a display panel, including a substrate provided with a display region and a non-display region; a light-emitting device disposed in the display region; a cell test unit disposed in the non-display region, wherein the cell test unit include thin-film transistors arranged along a first direction; a first power line disposed in the non-display region, wherein the first power line includes a first sub-connecting line and a second sub-connecting line, the first sub-connecting line is disposed between the cell test unit and the display region and is electrically connected to the light-emitting device, one end of the second sub-connecting line is electrically connected to the first sub-connecting line, and the other end of the second sub-connecting line is disposed on a side, distal to the display region, of the cell test unit, and the second sub-connecting line is disposed between adjacent thin-film transistors in the first direction.
    Type: Application
    Filed: April 27, 2022
    Publication date: August 29, 2024
    Inventors: Zhuoran YAN, Fengli JI, Zhenli ZHOU, Yudiao CHENG
  • Patent number: 12073788
    Abstract: A pixel circuit, a display substrate, a display panel, and a display device are provided. The pixel circuit includes: a first driving circuit, a second driving circuit, a first light-emitting control circuit, and a second light-emitting control circuit. The first light-emitting control circuit is configured to control a connection between the first driving circuit and the light-emitting element and a connection between the first driving circuit and the first power line to be turned on or off; the second light-emitting control circuit is configured to control a connection between the second driving circuit and the light-emitting element and a connection between the second driving circuit and the second power line to be turned on or off; the first driving circuit and the second driving circuit are configured to control a driving current for driving the light-emitting element to emit light based on the same data voltage.
    Type: Grant
    Filed: May 17, 2021
    Date of Patent: August 27, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Pinchao Gu, Weiyun Huang, Yudiao Cheng, Chao Wu
  • Publication number: 20240282897
    Abstract: Provided is a display panel, including: a substrate, a connection line, a first pixel drive circuit, a first insulative layer, and first light-emitting devices. The substrate includes a light-transmissive display region and a conventional display region at least partially surrounding the light-transmissive display region. The connection line and the first pixel drive circuit are disposed on the substrate. The connection line is electrically connected to the first pixel drive circuit. The first pixel drive circuit is disposed in the conventional display region. The first insulative layer is disposed on a side, distal from the substrate, of the connection line and is provided with first via holes arranged in arrays. The first light-emitting devices are disposed on a side, distal from the substrate, of the first insulative layer and arranged in arrays in the light-transmissive display region and electrically connected to the connection lines via the first via holes.
    Type: Application
    Filed: March 24, 2022
    Publication date: August 22, 2024
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yudiao CHENG, Yanwei LU, Weiyun HUANG, Lili DU, Yuanjie XU, Zhuoran YAN