Patents by Inventor Dongmei Wei

Dongmei 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: 20250151590
    Abstract: A display panel and a display device are disclosed. The display panel includes a substrate, a light-emitting element layer, a pixel defining layer, an encapsulation layer, a refraction layer, and a color filter layer. The refraction layer is arranged on the encapsulation layer to refract light entering the refraction layer. The color filter layer is arranged on the refraction layer, and includes a black matrix disposed in a non-opening area and multiple color filters disposed in a non-opening area. Every two adjacent color filters are separated by the black matrix. The refraction layer includes multiple refraction portions. Each refraction portion is arranged under the black matrix, is located in the non-opening area, and extends toward the opening area. The refraction portions are each used to refract the external ambient light and receive the reflected light reflected by the light-emitting element and refract the reflected light to the black matrix.
    Type: Application
    Filed: October 30, 2024
    Publication date: May 8, 2025
    Inventors: WENYU YI, Tianjun Huang, Zhonglin Cao, Chuan Wu, Yajuan Feng, Yao Li, Dongmei Wei, Jie Chen, Haijiang Yuan
  • Publication number: 20250138379
    Abstract: A display panel, a display device, and an electronic device are disclosed. The display panel includes a flexible substrate, a plurality of pixel islands, an electrochromic layer, and a plurality of force sensors. In response to a stretching length of a corresponding one of a plurality of flexible connection lines being greater than a preset value, each of the plurality of force sensors is configured to enable the electrochromic layer to be switched to a transparent state to allow light emitted from the display panel to pass therethrough. In response to the stretching length of the corresponding one of the plurality of flexible connection lines being less than the preset value, each of the plurality of force sensors is configured to enable the electrochromic layer to be switched to an opaque state to block the light emitted from the display panel.
    Type: Application
    Filed: October 30, 2024
    Publication date: May 1, 2025
    Applicant: HKC CORPORATION LIMITED
    Inventors: Wenyu YI, Chuan WU, Zhonglin CAO, Yajuan FENG, Dongmei WEI, Jie CHEN, Yao LI, Junfeng XIE
  • Patent number: 12271554
    Abstract: Disclosed are a touch circuit and driving method, and a touch display panel, the touch circuit includes a plurality of touch units, each touch unit includes a touch signal line, one or more data lines corresponding to the touch signal line, a data signal line connected to the data lines, transmitting a data signal to the data lines, a common signal line connected to the touch electrode; each touch unit includes a first transistor, a control terminal of the first transistor is connected to a first control signal line, a first conducting terminal is connected to the data lines or the data signal line, a second conducting terminal is connected to the touch signal line; though the aforesaid structure, reusing of the data signal line, reducing of the number of wires in the fanout wiring area, an effect of narrow bezel in the lower bezel can be realized.
    Type: Grant
    Filed: April 9, 2024
    Date of Patent: April 8, 2025
    Assignee: HKC CORPORATION LIMITED
    Inventors: Dongmei Wei, Zhonglin Cao, Jie Chen, Yajuan Feng, Yao Li, Haijiang Yuan
  • Publication number: 20250089467
    Abstract: The present disclosure provides a display panel, including: conductive isolation structures arranged on a pixel definition layer and each surrounding one of pixel accommodation areas; each of the conductive isolation structures including a main structure and a top structure located on an upper surface of the main structure and shielding the main structure; a portion of the top structure extending beyond the upper surface of the main structure being defined as an overhanging part; an encapsulating layer covering sub-pixels and extending along sidewalls of the conductive isolation structures to form grooves surrounded by the encapsulating layer; an area directly below the overhanging part and located in one of the grooves being defined as a shielding area; a plurality of insulating spherical structures at least filling the shielding area to support the overhanging part. The present disclosure also provides a method for producing the display panel.
    Type: Application
    Filed: September 2, 2024
    Publication date: March 13, 2025
    Applicants: Mianyang HKC Optoelectronics Technology Co., Ltd., HKC CORPORATION LIMITED
    Inventors: Chuan WU, Dongmei WEI, Zhonglin CAO, Yao LI, Haijiang YUAN
  • Patent number: 12230648
    Abstract: The present disclosure provides a display substrate, a manufacturing method thereof and a display apparatus, and relates to the field of display technology. The manufacturing method of a display substrate includes providing a base substrate, and forming pixels on the base substrate, wherein the forming pixels includes: forming a first auxiliary electrode on the base substrate; forming a first interlayer insulating layer on a side of the first auxiliary electrode away from the base substrate; sequentially forming a second conductive film and a first photoresist layer, exposing the first photoresist layer with a mask plate having regions of different light transmittances by controlling exposure time based on requirements on an operating frequency band of the pixels, to form a source electrode and a drain electrode of the thin film transistor and a second auxiliary electrode, forming a second interlayer insulating layer; and forming a pixel electrode.
    Type: Grant
    Filed: October 28, 2021
    Date of Patent: February 18, 2025
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hao Luo, Bo Wu, Dongmei Wei, Yin Deng, Zhengdong Zhang, Yao Li
  • Patent number: 12216375
    Abstract: The present disclosure provides an electronic paper display module, including an array substrate and an electronic paper film arranged opposite to each other. The electronic paper film includes a common electrode, the array substrate includes a display region and a peripheral region, and a common electrode lead is located at the peripheral region. An orthogonal projection of the electronic paper film onto the array substrate at least covers the display region, and the common electrode lead is provided with a hollowed-out region.
    Type: Grant
    Filed: August 26, 2021
    Date of Patent: February 4, 2025
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Hao Luo, Yin Deng, Bo Wu, Dongmei Wei
  • Publication number: 20250008828
    Abstract: This application discloses a display panel and a display device. There is a fingerprint recognition region in the display area. A fingerprint recognition element is disposed in the display panel correspondingly below the fingerprint recognition region. The display panel includes an organic light-emitting layer and a color filter layer arranged on a light-emitting side of the light-emitting layer. The color filter layer includes a first black matrix and a color filter. The first black matrix is disposed corresponding to the fingerprint recognition region. Adjacent color filters are separated by the first black matrix. The first black matrix includes carbon black filaments, which are in the shape of elongated strips. Each carbon black filament has a length that lies in the range of 100 nm to 1000 nm and a diameter range that lies in the range of 1 nm to 100 nm.
    Type: Application
    Filed: April 19, 2024
    Publication date: January 2, 2025
    Inventors: Yao LI, Tianjun HUANG, Zhonglin CAO, Chuan WU, Wenyu YI, Yajuan FENG, Dongmei WEI, Jie CHEN, Lidan YE
  • Publication number: 20250004592
    Abstract: Disclosed are a touch circuit and driving method, and a touch display panel, the touch circuit includes a plurality of touch units, each touch unit includes a touch signal line, one or more data lines corresponding to the touch signal line, a data signal line connected to the data lines, transmitting a data signal to the data lines, a common signal line connected to the touch electrode; each touch unit includes a first transistor, a control terminal of the first transistor is connected to a first control signal line, a first conducting terminal is connected to the data lines or the data signal line, a second conducting terminal is connected to the touch signal line; though the aforesaid structure, reusing of the data signal line, reducing of the number of wires in the fanout wiring area, an effect of narrow bezel in the lower bezel can be realized.
    Type: Application
    Filed: April 9, 2024
    Publication date: January 2, 2025
    Inventors: Dongmei WEI, Zhonglin CAO, Jie CHEN, Yajuan FENG, Yao LI, Haijiang YUAN
  • Publication number: 20240363643
    Abstract: Some embodiments of the present disclosure provide an array substrate and a display pane. Multiple pixel electrode branches in a corresponding one of the pixel regions are divided into a first pixel electrode branch and a second pixel electrode branch by a corresponding one of the metal common electrodes. The first pixel electrode branch and the second pixel electrode branch, which are located in different pixel regions and which are adjacent to each other, are respectively connected to different drains of the same TFT. In each pixel region, an end of the first pixel electrode branch close to a corresponding one of the scan lines is connected to a corresponding one of the TFTs, and an end of the second pixel electrode branch close to another corresponding one of the scan lines is connected to another corresponding one of the TFTs.
    Type: Application
    Filed: April 21, 2024
    Publication date: October 31, 2024
    Inventors: Yao LI, Chuan WU, Zhonglin CAO, Wenyu YI, Dongmei WEI, Yajuan FENG, Jie CHEN, Baohong KANG
  • Publication number: 20230123019
    Abstract: The present disclosure provides a display substrate, a manufacturing method thereof and a display apparatus, and relates to the field of display technology. The manufacturing method of a display substrate includes providing a base substrate, and forming pixels on the base substrate, wherein the forming pixels includes: forming a first auxiliary electrode on the base substrate; forming a first interlayer insulating layer on a side of the first auxiliary electrode away from the base substrate; sequentially forming a second conductive film and a first photoresist layer, exposing the first photoresist layer with a mask plate having regions of different light transmittances by controlling exposure time based on requirements on an operating frequency band of the pixels, to form a source electrode and a drain electrode of the thin film transistor and a second auxiliary electrode, forming a second interlayer insulating layer; and forming a pixel electrode.
    Type: Application
    Filed: October 28, 2021
    Publication date: April 20, 2023
    Inventors: Hao LUO, Bo WU, Dongmei WEI, Yin DENG, Zhengdong ZHANG, Yao LI
  • Patent number: 11587956
    Abstract: An array substrate includes a gate layer, a first insulating layer, a channel layer, a source-drain layer, a second insulating layer, and a common electrode layer that are sequentially stacked, wherein the second insulating lay is provided with via holes formed therein; and the source-drain layer includes a plurality of sources, a plurality of drains, a plurality of data lines and a plurality of common electrode signal lines. The common electrode signal line includes a plurality of common electrode signal line segments, each of the common electrode signal line segments passes through at least one sub-pixel row, and each of the common electrode signal line segments is connected to the common electrode layer through the via hole.
    Type: Grant
    Filed: August 30, 2021
    Date of Patent: February 21, 2023
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Bo Wu, Yin Deng, Dongmei Wei, Hao Luo
  • Patent number: 11579670
    Abstract: The present disclosure relates to the field of display technology, and provides an array substrate and a display panel. The array substrate is provided with a via hole and further includes an annular wiring area. The annular wiring area is located around the via hole and is provided with an incision extending toward an outer edge of the annular wiring area along an inner edge of the annular wiring area, and at least a portion of the annular wiring area is bent toward a side away from a display side along the inner edge.
    Type: Grant
    Filed: June 8, 2020
    Date of Patent: February 14, 2023
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yin Deng, Hao Luo, Ting Li, Bo Wu, Dongmei Wei, Chaoguan Gong
  • Patent number: 11532645
    Abstract: An array substrate includes a base, a plurality of thin film transistors, a passivation layer, at least one reflective electrode, and at least one first connecting electrode. The array substrate has a display area. The thin film transistors are disposed in the display area on the base. The passivation layer covers the thin film transistors, and has at least one first via hole in the display area. The reflective electrode is disposed on a surface of the passivation layer facing away from the base, and is disposed in the display area and uncovers the first via hole. The first connecting electrode is disposed on a side of the reflective electrode away from the base. Each first connecting electrode is connected to a corresponding reflective electrode, and is connected to a source or a drain of a corresponding thin film transistor through a corresponding first via hole.
    Type: Grant
    Filed: August 31, 2020
    Date of Patent: December 20, 2022
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dongmei Wei, Hao Luo, Bo Wu
  • Publication number: 20220157858
    Abstract: The application relates to the technical field of display, and discloses a display panel, a preparation method thereof and a display device. The display panel includes: a rigid base substrate; a flexible insulating layer having a first part and a second part, the first part being disposed on the base substrate, the second part exceeding a side edge of the base substrate; and an integrated circuit chip and a flexible printed circuit respectively bonded and connected with the second part of the flexible insulating layer.
    Type: Application
    Filed: January 31, 2022
    Publication date: May 19, 2022
    Inventors: Hao Luo, Yin Deng, Dongmei Wei, Bo Wu
  • Publication number: 20220121079
    Abstract: The present disclosure provides an electronic paper display module, including an array substrate and an electronic paper film arranged opposite to each other. The electronic paper film includes a common electrode, the array substrate includes a display region and a peripheral region, and a common electrode lead is located at the peripheral region. An orthogonal projection of the electronic paper film onto the array substrate at least covers the display region, and the common electrode lead is provided with a hollowed-out region.
    Type: Application
    Filed: August 26, 2021
    Publication date: April 21, 2022
    Inventors: Hao LUO, Yin DENG, Bo WU, Dongmei WEI
  • Publication number: 20220077196
    Abstract: An array substrate includes a gate layer, a first insulating layer, a channel layer, a source-drain layer, a second insulating layer, and a common electrode layer that are sequentially stacked, wherein the second insulating lay is provided with via holes formed therein; and the source-drain layer includes a plurality of sources, a plurality of drains, a plurality of data lines and a plurality of common electrode signal lines. The common electrode signal line includes a plurality of common electrode signal line segments, each of the common electrode signal line segments passes through at least one sub-pixel row, and each of the common electrode signal line segments is connected to the common electrode layer through the via hole.
    Type: Application
    Filed: August 30, 2021
    Publication date: March 10, 2022
    Inventors: Bo WU, Yin DENG, Dongmei WEI, Hao LUO
  • Patent number: 11210979
    Abstract: The present disclosure relates to a detection circuit. The detection circuit includes a first input circuit and a second input circuit. The first input circuit has multiple first switch units, each of which being disposed in a one-to-one correspondence with one of multiple first signal lines. The second input circuit has multiple second switch units connected in a cascade arrangement, each of which being disposed in a one-to-one correspondence with one of multiple first signal lines. A second terminal of the second switch unit in a previous stage is connected to a first terminal of the second switch unit in the next adjacent stage. The first terminal of the second switch unit of a first stage is connected to a second terminal of a corresponding first signal line. The second terminal of the second switch unit of a last stage is connected to a first detection terminal.
    Type: Grant
    Filed: July 31, 2020
    Date of Patent: December 28, 2021
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hao Luo, Dongmei Wei, Yin Deng
  • Publication number: 20210191481
    Abstract: The present disclosure relates to the field of display technology, and provides an array substrate and a display panel. The array substrate is provided with a via hole and further includes an annular wiring area. The annular wiring area is located around the via hole and is provided with an incision extending toward an outer edge of the annular wiring area along an inner edge of the annular wiring area, and at least a portion of the annular wiring area is bent toward a side away from a display side along the inner edge.
    Type: Application
    Filed: June 8, 2020
    Publication date: June 24, 2021
    Inventors: Yin DENG, Hao LUO, Ting LI, Bo WU, Dongmei WEI, Chaoguan GONG
  • Publication number: 20210192997
    Abstract: The present disclosure relates to a detection circuit. The detection circuit includes a first input circuit and a second input circuit. The first input circuit has multiple first switch units, each of which being disposed in a one-to-one correspondence with one of multiple first signal lines. The second input circuit has multiple second switch units connected in a cascade arrangement, each of which being disposed in a one-to-one correspondence with one of multiple first signal lines. A second terminal of the second switch unit in a previous stage is connected to a first terminal of the second switch unit in the next adjacent stage. The first terminal of the second switch unit of a first stage is connected to a second terminal of a corresponding first signal line. The second terminal of the second switch unit of a last stage is connected to a first detection terminal.
    Type: Application
    Filed: July 31, 2020
    Publication date: June 24, 2021
    Inventors: Hao LUO, Dongmei WEI, Yin DENG
  • Publication number: 20210183896
    Abstract: An array substrate includes a base, a plurality of thin film transistors, a passivation layer, at least one reflective electrode, and at least one first connecting electrode. The array substrate has a display area. The thin film transistors are disposed in the display area on the base. The passivation layer covers the thin film transistors, and has at least one first via hole in the display area. The reflective electrode is disposed on a surface of the passivation layer facing away from the base, and is disposed in the display area and uncovers the first via hole. The first connecting electrode is disposed on a side of the reflective electrode away from the base. Each first connecting electrode is connected to a corresponding reflective electrode, and is connected to a source or a drain of a corresponding thin film transistor through a corresponding first via hole.
    Type: Application
    Filed: August 31, 2020
    Publication date: June 17, 2021
    Inventors: Dongmei WEI, Hao LUO, Bo WU