Patents Assigned to Industrial Innovations
  • Patent number: 12254807
    Abstract: A pixel circuit in a display panel includes a drive transistor, a first terminal of the drive transistor is electrically connected to a power signal line; and drive modes of the display panel comprise at least a first drive mode, a second drive mode, and a third drive mode, wherein the first drive mode corresponds to a first drive frequency F1 and a first power signal Vdd1, the second drive mode corresponds to a second drive frequency F2 and a second power signal Vdd2, and the third drive mode corresponds to a third drive frequency F3 and a third power signal Vdd3, wherein F 1 > F 2 > F 3 , F 2 - F 3 F 1 - F 3 ? ? "\[LeftBracketingBar]" V dd ? 2 - V dd ? 3 ? "\[RightBracketingBar]" ? "\[LeftBracketingBar]" V dd ? 1 - V dd ? 3 ? "\[RightBracketingBar]" .
    Type: Grant
    Filed: December 1, 2023
    Date of Patent: March 18, 2025
    Assignee: Hubei Yangtze Industrial Innovation Center Of Advanced Display Co., Ltd.
    Inventor: Jujian Fu
  • Patent number: 12254806
    Abstract: A pixel circuit in a display panel includes a drive transistor and a first transistor, a first terminal of the drive transistor is electrically connected to a power signal line, a first terminal of the first transistor is electrically connected to an initialization signal line; a second terminal of the first transistor is electrically connected to the drive transistor or a light-emitting element; drive modes of the display panel include an i-th drive mode and a j-th drive mode, and the i-th drive mode corresponds to an i-th drive frequency Fi and an i-th initialization signal Vrefi, the j-th drive mode corresponds to a j-th drive frequency Fj, a signal writing stage in the j-th drive mode corresponds to a j1-th initialization signal Vrefj1, and a light emission holding stage in the j-th drive mode corresponds to a j2-th initialization signal Vrefj2.
    Type: Grant
    Filed: December 1, 2023
    Date of Patent: March 18, 2025
    Assignee: Hubei Yangtze Industrial Innovation Center Of Advanced Display Co., Ltd.
    Inventor: Jujian Fu
  • Patent number: 12250845
    Abstract: A display panel and a formation method thereof, and a display apparatus are provided in the present disclosure. The method includes providing a base substrate; forming an array layer on a side of the base substrate; forming a light-emitting structure layer on a side of the array layer away from the base substrate, where the light-emitting structure layer includes a plurality of light-emitting units; and forming a light-blocking layer on a side of the light-emitting structure layer away from the base substrate, where the light-blocking layer includes a black matrix and openings. Before forming the openings, the method further includes forming a first inorganic layer between the light-emitting structure layer and the light-blocking layer, where the first inorganic layer at least includes first sub-portions; and a vertical projection of a first sub-portion on the base substrate overlaps a vertical projection of a corresponding opening on the base substrate.
    Type: Grant
    Filed: December 22, 2021
    Date of Patent: March 11, 2025
    Assignee: Hubei Yangtze Industrial Innovation Center of Advanced Display Co., LTD.
    Inventors: Feng Yu, Jun Yan, Jiaxian Liu
  • Patent number: 12243460
    Abstract: Provided display panel includes a pixel circuit and a light emitting element. The pixel circuit includes a drive module including a drive transistor, and a bias adjustment module configured to provide a bias adjustment signal to a first pole or a second pole of the drive transistor. Data refresh frequencies of the display panel include a first data refresh frequency F1 and a second data refresh frequency F2, where F1>F2. At the first data refresh frequency F1, the bias adjustment signal is Vf1, and at the second data refresh frequency F2, the bias adjustment signal is Vf2, where Vf1?Vf2; or, at the first data refresh frequency F1, a duration of a bias adjustment stage in one data refresh period is T1, and at the second data refresh frequency F2, a duration of a bias adjustment stage in one data refresh period is T2, where T1?T2.
    Type: Grant
    Filed: December 4, 2023
    Date of Patent: March 4, 2025
    Assignee: Hubei Yangtze Industrial Innovation Center Of Advanced Display Co., Ltd.
    Inventors: Yuheng Zhang, Jiemiao Pan
  • Patent number: 12225765
    Abstract: A display panel and a display device are provided in the present disclosure. The display panel includes a display region and a non-display region, where the non-display region is on at least one side of the display region. The display panel includes a substrate; a light-emitting unit layer on a side of the substrate, where the light-emitting unit layer includes pixel units, at the display region, arranged in an array; and further includes a light-blocking layer on a side of the light-emitting unit layer away from the substrate, where the light-blocking layer includes first openings and second openings. The first openings are at the display region; along a direction perpendicular to the substrate, the pixel units correspond to the first openings; and the second openings are at least on a side of the non-display region adjacent to the display region.
    Type: Grant
    Filed: July 26, 2021
    Date of Patent: February 11, 2025
    Assignee: Hubei Yangtze Industrial Innovation Center of Advanced Display Co., LTD.
    Inventor: Ai Xiao
  • Publication number: 20250046763
    Abstract: A display panel includes a first substrate. The first substrate includes multiple sub-pixel areas arranged in an array. At least one of the multiple sub-pixel areas includes a main bonding pad and a backup bonding pad which are disposed on the first substrate; and a micro light-emitting diode electrically connected to the main bonding pad or the backup bonding pad. The main bonding pad and the backup bonding pad are in a first symmetric manner about a first symmetric reference object. The sub-pixel area is in a second symmetric manner about a second symmetric reference object. The first symmetric manner is the same as the second symmetric manner. The distance between the vertical projection of the first symmetric reference object on the first substrate and the vertical projection of the second symmetric reference object on the first substrate is S1, and S1?10 ?m.
    Type: Application
    Filed: October 22, 2024
    Publication date: February 6, 2025
    Applicant: Hubei Yangtze Industrial Innovation Center Of Advanced Display Co., Ltd.
    Inventor: Yang ZENG
  • Publication number: 20250046764
    Abstract: A display panel includes a first substrate. The first substrate includes multiple sub-pixel areas arranged in an array. At least one of the multiple sub-pixel areas includes a main bonding pad and a backup bonding pad which are disposed on the first substrate; and a micro light-emitting diode electrically connected to the main bonding pad or the backup bonding pad. The main bonding pad and the backup bonding pad are in a first symmetric manner about a first symmetric reference object. The sub-pixel area is in a second symmetric manner about a second symmetric reference object. The first symmetric manner is the same as the second symmetric manner. The distance between the vertical projection of the first symmetric reference object on the first substrate and the vertical projection of the second symmetric reference object on the first substrate is S1, and S1?10 ?m.
    Type: Application
    Filed: October 22, 2024
    Publication date: February 6, 2025
    Applicant: Hubei Yangtze Industrial Innovation Center Of Advanced Display Co., Ltd.
    Inventor: Yang ZENG
  • Publication number: 20250046765
    Abstract: A display panel includes a first substrate. The first substrate includes multiple sub-pixel areas arranged in an array. At least one of the multiple sub-pixel areas includes a main bonding pad and a backup bonding pad which are disposed on the first substrate; and a micro light-emitting diode electrically connected to the main bonding pad or the backup bonding pad. The main bonding pad and the backup bonding pad are in a first symmetric manner about a first symmetric reference object. The sub-pixel area is in a second symmetric manner about a second symmetric reference object. The first symmetric manner is the same as the second symmetric manner. The distance between the vertical projection of the first symmetric reference object on the first substrate and the vertical projection of the second symmetric reference object on the first substrate is S1, and S1?10 ?m.
    Type: Application
    Filed: October 23, 2024
    Publication date: February 6, 2025
    Applicant: Hubei Yangtze Industrial Innovation Center Of Advanced Display Co., Ltd.
    Inventor: Yang ZENG
  • Patent number: 12217533
    Abstract: Provided are a display panel and a display device. The display panel has an optical identification region and includes a first layer and a second layer. The first layer is located at a side of the second layer close to a light-exiting side of the display panel. The first layer has at least one first light-shielding region and includes at least one first light-transmitting hole. The second layer includes at least one second light-transmitting hole corresponding to the at least one first light-transmitting hole. One of the at least one first light-shielding region and one of the at least one second light-transmitting hole at least partially overlap with each other along a direction perpendicular to a plane of the display panel.
    Type: Grant
    Filed: October 28, 2022
    Date of Patent: February 4, 2025
    Assignee: Hubei Yangtze Industrial Innovation Center Of Advanced Display Co., Ltd.
    Inventors: Shihao Tang, Yang Zeng
  • Patent number: 12213349
    Abstract: A display panel and a display device are provided. The display panel includes a base substrate, a transistor layer, a planarization layer, and a light-emitting device layer. The light-emitting device layer includes: anodes; a pixel definition layer defining opening regions and non-opening regions, and part of each anode being exposed in a respective opening region; light-emitting layers corresponding to the opening regions; and cathodes located at a side of the pixel definition layer and the light-emitting layers facing away from the base substrate. The display panel further includes a first auxiliary-pad layer located at a side of planarization layer facing the base substrate, in a direction perpendicular to a plane of the base substrate, each first auxiliary-pad layer does not overlap with each opening region and extends along an extension direction of at least part of an edge of a respective opening region.
    Type: Grant
    Filed: June 10, 2021
    Date of Patent: January 28, 2025
    Assignee: Hubei Yangtze Industrial Innovation Center of Advanced Display Co., Ltd.
    Inventor: Jiaxin Li
  • Patent number: 12207504
    Abstract: A display panel and a display device are provided. The display panel includes a substrate, a driving circuit, and a first light blocking layer. The driving circuit includes an oxide transistor and a silicon transistor disposed at the substrate. The oxide transistor includes a first active layer. An orthographic projection of the first light blocking layer on the substrate at least overlaps an orthographic projection of the first active layer on the substrate.
    Type: Grant
    Filed: October 22, 2021
    Date of Patent: January 21, 2025
    Assignee: Hubei Yangtze Industrial Innovation Center of Advanced Display Co., LTD.
    Inventors: Leilei Cao, Jiaxian Liu, Ping An
  • Patent number: 12207485
    Abstract: The present disclosure provides a display panel and a display device including the display device. The display panel includes: a first substrate including a plurality of light-emitting units, a second substrate opposed to the first substrate and including a plurality of color changing layers having different colors; and a first barrier and a second barrier arranged between the first substrate and the second substrate. The plurality of color changing layers one-to-one correspond to the plurality of light-emitting units; the first barrier overlaps the second barrier in a thickness direction of the display panel; and an optical density of the first barrier is different from an optical density of the second barrier, and a reflectivity of the first barrier is different from a reflectivity of the second barrier.
    Type: Grant
    Filed: December 22, 2020
    Date of Patent: January 21, 2025
    Assignee: HUBEI YANGTZE INDUSTRIAL INNOVATION CENTER OF ADVANCED DISPLAY CO., LTD.
    Inventors: Xuelin Fan, Yang Zeng
  • Patent number: 12200966
    Abstract: Provided is a display panel, including: a base substrate, a light emitting device layer provided on the base substrate and including light emitting devices, and a light adjustment structure layer provided at a side of the light emitting device layer facing away from the base substrate and including light adjustment units and a dielectric layer covering the light adjustment units. Each light adjustment unit has a smaller refractive index than the dielectric layer and includes a light adjustment sub-section and a through hole penetrating the light adjustment unit in a direction perpendicular to the base substrate. The through hole overlaps one light emitting device, and the light adjustment sub-section surrounds the through hole. For one light adjustment unit, a thickness of the light adjustment sub-section gradually increases in a direction from the through hole to the light adjustment sub-section.
    Type: Grant
    Filed: July 26, 2023
    Date of Patent: January 14, 2025
    Assignee: Hubei Yangtze Industrial Innovation Center of Advanced Display Co., Ltd.
    Inventors: Yu Cai, Junqiang Wang
  • Patent number: 12200965
    Abstract: Provided is a display panel, including: a base substrate, a light emitting device layer provided on the base substrate and including light emitting devices, and a light adjustment structure layer provided at a side of the light emitting device layer facing away from the base substrate and including light adjustment units and a dielectric layer covering the light adjustment units. Each light adjustment unit has a smaller refractive index than the dielectric layer and includes a light adjustment sub-section and a through hole penetrating the light adjustment unit in a direction perpendicular to the base substrate. The through hole overlaps one light emitting device, and the light adjustment sub-section surrounds the through hole. For one light adjustment unit, a thickness of the light adjustment sub-section gradually increases in a direction from the through hole to the light adjustment sub-section.
    Type: Grant
    Filed: July 26, 2023
    Date of Patent: January 14, 2025
    Assignee: Hubei Yangtze Industrial Innovation Center Of Advanced Display Co., Ltd.
    Inventors: Yu Cai, Junqiang Wang
  • Patent number: 12193264
    Abstract: Provided is a display panel, including: a base substrate, a light emitting device layer provided on the base substrate and including light emitting devices, and a light adjustment structure layer provided at a side of the light emitting device layer facing away from the base substrate and including light adjustment units and a dielectric layer covering the light adjustment units. Each light adjustment unit has a smaller refractive index than the dielectric layer and includes a light adjustment sub-section and a through hole penetrating the light adjustment unit in a direction perpendicular to the base substrate. The through hole overlaps one light emitting device, and the light adjustment sub-section surrounds the through hole. For one light adjustment unit, a thickness of the light adjustment sub-section gradually increases in a direction from the through hole to the light adjustment sub-section.
    Type: Grant
    Filed: July 26, 2023
    Date of Patent: January 7, 2025
    Assignee: Hubei Yangtze Industrial Innovation Center Of Advanced Display Co., Ltd.
    Inventors: Yu Cai, Junqiang Wang
  • Patent number: 12190776
    Abstract: A compensation data determination method includes obtaining first brightness data when a display panel displays a first color image and second brightness data when the display panel displays a second color image; performing a spatial domain-frequency domain conversion on the first brightness data to obtain a first frequency component corresponding to the first color image, the first frequency component including a first sub-frequency component and a second sub-frequency component; performing the spatial domain-frequency domain conversion on the second brightness data to obtain a second frequency component corresponding to the second color image, the second frequency component including a third sub-frequency component and a fourth sub-frequency component; replacing the third sub-frequency component with the first sub-frequency component and obtaining third brightness data of the second color image based on restoration of the first sub-frequency component and the fourth sub-frequency component; and obtaining fi
    Type: Grant
    Filed: September 28, 2023
    Date of Patent: January 7, 2025
    Assignee: Hubei Yangtze Industrial Innovation Center of Advanced Display Co., LTD.
    Inventor: Weinan Yan
  • Patent number: 12183238
    Abstract: Provided display panel includes pixel circuit and light emitting element. The pixel circuit includes a drive module including a drive transistor, and a bias adjustment module to provide a bias adjustment signal to a first pole or a second pole of the drive transistor. Operation modes of the display panel include a first mode and a second mode, and a brightness level of the display panel in the first mode is greater than a brightness level of the display panel in the second mode. An operation process of the pixel circuit includes a data writing frame and a holding frame; the data writing frame and the holding frame in the first mode respectively correspond to a bias adjustment signal of Vs11 and Vs12; the data writing frame and the holding frame in the second mode respectively correspond to a bias adjustment signal of Vs21 and Vs22; where |Vs11?Vs12|=|Vs21?Vs22|.
    Type: Grant
    Filed: December 4, 2023
    Date of Patent: December 31, 2024
    Assignee: Hubei Yangtze Industrial Innovation Center Of Advanced Display Co., Ltd.
    Inventors: Yuheng Zhang, Jiemiao Pan
  • Patent number: 12174499
    Abstract: Display panel and display device are provided. The display panel includes a substrate and an array layer arranged on a side of the substrate. The array layer includes a first metal layer, an active layer, and a second metal layer. Along a first direction, the first metal layer and the second metal layer are on two sides of the active layer, and the first direction is perpendicular to the substrate. The array layer includes at least one first transistor including a first sub-transistor and a second sub-transistor connected in series, and the first sub-transistor includes a first active layer in the active layer, the second sub-transistor includes a second active layer in the active layer, the first active layer is connected to the second active layer. Along the first direction, the first metal layer overlaps both the first active layer and the second active layer.
    Type: Grant
    Filed: June 1, 2023
    Date of Patent: December 24, 2024
    Assignee: Hubei Yangtze Industrial Innovation Center of Advanced Display Co., LTD.
    Inventor: Weiwei Yang
  • Patent number: 12166047
    Abstract: Provided are a display panel and a display device. The display panel includes a base substrate, a first transistor, and a planarization layer. The first transistor includes a first active layer, a first gate, a first source, and a first drain. The planarization layer is located above the first source. In the direction perpendicular to the base substrate, at least one insulating layer and a first organic area are provided between the film layer where the first active layer is located and the planarization layer. An insulating layer in the first organic area is made of organic material and the first organic area is located in a display area.
    Type: Grant
    Filed: May 24, 2023
    Date of Patent: December 10, 2024
    Assignee: Hubei Yangtze Industrial Innovation Center of Advanced Display Co., Ltd.
    Inventors: Yu Cai, Shanshan Zheng, Ping An
  • Publication number: 20240386856
    Abstract: Provided are a display panel, a driving method thereof and a display device. A pixel circuit in the display panel includes a drive transistor and a boosting unit. A first electrode of the drive transistor is connected to a pixel electrode. A first terminal of the boosting unit is connected to a first data signal line. The first data signal line receives a first data signal. A second terminal of the boosting unit is connected to a gate of the drive transistor, or a second terminal of the boosting unit is connected to a second electrode of the drive transistor. In the display panel, the driving method thereof and the display device, the first data signal is boosted by the boosting unit, the boosted first data signal is output to the gate or the second electrode of the drive transistor.
    Type: Application
    Filed: June 14, 2024
    Publication date: November 21, 2024
    Applicant: Hubei Yangtze Industrial Innovation Center Of Advanced Display Co., Ltd.
    Inventor: Feng XIE