Patents Assigned to TIANMA ADVANCED DISPLAY TECHNOLOGY INSTITUTE (XIAMEN) CO., LTD.
  • Publication number: 20240363797
    Abstract: Provided are a light-emitting element, a display panel, and a display device, where the light-emitting element includes a first electrode, a reflective layer and a first connection electrode; at least a part of a region of the reflective layer is located on one side, facing away from a light emission surface, of the first electrode; and the first electrode receives a signal through the first connection electrode; where the first electrode is connected to the first connection electrode, the reflective layer includes a first reflective region, and the first reflective region and the first connection electrode are located on the same side of the first electrode. The technical schemes of the embodiments of the present disclosure can improve the light emission efficiency of the light-emitting element.
    Type: Application
    Filed: July 12, 2024
    Publication date: October 31, 2024
    Applicant: Tianma Advanced Display Technology Institute (Xiamen) Co., Ltd.
    Inventors: Cao LIU, Ping AN
  • Publication number: 20240355288
    Abstract: A display panel and a display device are provided. The display panel includes a pixel circuit and a light-emitting element, and the pixel circuit provides a driving current for the light-emitting element. The display panel includes a power supply voltage terminal, and the power supply voltage terminal provides a power supply voltage signal for the pixel circuit. The display panel includes a light emission stage and a non-light emission stage. In the light emission stage, the power supply voltage terminal provides a first voltage V1, and in the non-light emission stage, the power supply voltage terminal provides a second voltage V2, V1?V2.
    Type: Application
    Filed: June 28, 2024
    Publication date: October 24, 2024
    Applicant: Tianma Advanced Display Technology Institute (Xiamen) Co., Ltd.
    Inventor: Yingteng ZHAI
  • Publication number: 20240355292
    Abstract: Provided are a display panel, a driving method thereof, and a display device. The display panel includes a pixel circuit and a light-emitting element. The pixel circuit includes an amplitude modulation subcircuit and a pulse width modulation subcircuit. The amplitude modulation subcircuit is connected to a first data signal line. The pulse width modulation subcircuit is connected to a second data signal line. At least one of the first data signal line or the second data signal line is used to transmit a data signal and a bias adjustment signal.
    Type: Application
    Filed: July 2, 2024
    Publication date: October 24, 2024
    Applicant: Tianma Advanced Display Technology Institute (Xiamen) Co., Ltd.
    Inventors: Yingteng ZHAI, Yuqi HU, Tianyi WU, Feng QIN
  • Publication number: 20240355988
    Abstract: A display panel, a method for repairing thereof, and a display device. The display panel includes multiple electrode groups including an initial electrode and a redundant electrode. The initial electrode includes a first electrode, an intermediate electrode and a second electrode, which form a first initial electrode pair and a second initial electrode pair. Light-emitting devices connected to the above initial electrode pairs are connected in series; the redundant electrode includes a first redundant electrode, an intermediate redundant electrode and a second redundant electrode, which form a first redundant electrode pair and a second redundant electrode pair; and/or, which form a third redundant electrode pair; the first redundant electrode and the first electrode have the same electric potential, the intermediate redundant electrode and the intermediate electrode have the same electric potential, and the second redundant electrode and the second electrode have the same electric potential.
    Type: Application
    Filed: June 28, 2024
    Publication date: October 24, 2024
    Applicant: TIANMA ADVANCED DISPLAY TECHNOLOGY INSTITUTE (XIAMEN) CO., LTD.
    Inventor: Yingying WU
  • Publication number: 20240355990
    Abstract: Provided are a display panel, a display device, and a method for manufacturing a display panel. The display panel includes a base substrate and a first signal line. The base substrate includes a first surface and a second surface. The degree of inclination of the first surface relative to the plane in which the display panel is located is greater than the degree of inclination of the second surface relative to the plane in which the display panel is located. At least part of the first signal line is in contact and connected with the first surface. At least part of the first signal line is in contact and connected with the second surface. The equivalent roughness of the second surface is less than the equivalent roughness of the first surface.
    Type: Application
    Filed: July 2, 2024
    Publication date: October 24, 2024
    Applicant: Tianma Advanced Display Technology Institute (Xiamen) Co., Ltd.
    Inventors: Wei HE, Zhibo YANG, Yangui FENG, Bingjun CAO, Ning ZHANG, Ming YANG
  • Patent number: 12125430
    Abstract: A display panel and a display device are provided. The pixel circuit includes a drive device, a first light-emitting control device and a second light-emitting control device; the first light-emitting control device and the second light-emitting control device are configured to jointly control a light-emitting duration of the light-emitting element; the first light-emitting control device is electrically connected to the first light-emitting control signal line, the second light-emitting control device is connected to the second light-emitting control signal line.
    Type: Grant
    Filed: May 18, 2023
    Date of Patent: October 22, 2024
    Assignee: TIANMA ADVANCED DISPLAY TECHNOLOGY INSTITUTE (XIAMEN) CO., LTD.
    Inventor: Yingteng Zhai
  • Publication number: 20240322071
    Abstract: Provided are a light-emitting diode module, a preparation method therefor, a transfer method for a light-emitting element, a display panel, and a display device. The light-emitting diode module includes a first substrate, a sacrificial protective layer, and multiple light-emitting elements. The first substrate has multiple first regions arranged at intervals and second regions, where a second region is located between adjacent first regions. The sacrificial protective layer is located on a side of the first substrate and at least partially located in the second region. The multiple light-emitting elements are disposed in the multiple first regions and located on the same side of the first substrate as the sacrificial protective layer.
    Type: Application
    Filed: May 30, 2024
    Publication date: September 26, 2024
    Applicant: Tianma Advanced Display Technology Institute (Xiamen) Co., Ltd.
    Inventors: Jingtao GUO, Canyuan ZHANG, Qiang GU, Bo ZHOU
  • Publication number: 20240321838
    Abstract: A display panel, a display device, and a method for manufacturing the display panel are provided. The display panel includes a substrate, light-emitting devices, a light reflecting part, and a light adjusting part. The light-emitting devices are spaced on one side of the substrate. The light reflecting part is at least partially located between adjacent light-emitting devices. The light adjusting part is arranged on one side of the light-emitting devices away from the substrate, and an orthographic projection of the light adjusting part on the substrate overlaps an orthographic projection of the corresponding light-emitting devices on the substrate. The light adjusting part includes a first surface away from the substrate, and the first surface protrudes away from the substrate. The light reflecting part and the light adjusting part can cooperate with each other to convert at least some of lateral beams into the forward beams.
    Type: Application
    Filed: June 3, 2024
    Publication date: September 26, 2024
    Applicant: TIANMA ADVANCED DISPLAY TECHNOLOGY INSTITUTE (XIAMEN) CO., LTD.
    Inventors: Peixuan CHEN, Meng WANG
  • Publication number: 20240322091
    Abstract: A display panel includes a circuit substrate, multiple light-emitting components located on a side of the circuit substrate, and multiple microlenses. Each light-emitting component includes a first surface facing away from the circuit substrate and also includes a second surface at least partially surrounds the first surface. One of the first surface or the second surface is a hydrophilic surface, and the other is a hydrophobic surface. The multiple microlenses are located on a side of the multiple light-emitting components facing away from the circuit substrate. The orthographic projection of the microlens on the plane where the circuit substrate is located overlaps the orthographic projection of the first surface on the plane where the circuit substrate is located and does not overlap the orthographic projection of the second surface on the plane where the circuit substrate is located.
    Type: Application
    Filed: May 31, 2024
    Publication date: September 26, 2024
    Applicant: Tianma Advanced Display Technology Institute (Xiamen) Co., Ltd.
    Inventor: Sitao HUO
  • Patent number: 12100328
    Abstract: A display panel and a display device are provided. The display panel includes a light-emitting element, a first control module, a second control module, and a light-emitting control module. The first control module is connected to a control terminal of the light-emitting control module, the second control module is connected to a first terminal of the light-emitting control module, and a second terminal of the light-emitting control module is connected to the light-emitting element. The first control module selectively controls a light-emitting duration of the light-emitting element, and the second control module selectively provides a driving current for the light-emitting element. At least one of the first control module provides a driving signal to at least one of the second control module.
    Type: Grant
    Filed: September 14, 2023
    Date of Patent: September 24, 2024
    Assignee: TIANMA ADVANCED DISPLAY TECHNOLOGY INSTITUTE (XIAMEN) CO., LTD.
    Inventor: Yingteng Zhai
  • Publication number: 20240313177
    Abstract: A display panel and a display device are provided. The display panel includes: a driving substrate; a light-emitting unit electrically connected to one side of the driving substrate; a lens structure disposed on a side of the light-emitting unit away from the driving substrate; in a direction perpendicular to a plane where the driving substrate is located, the lens structure at least partially overlaps the light-emitting unit. Through the embodiments of the application, the light extraction efficiency of the display panel is improved, the display effect of the display panel is improved, and the power consumption of the display panel is reduced.
    Type: Application
    Filed: May 24, 2024
    Publication date: September 19, 2024
    Applicant: TIANMA ADVANCED DISPLAY TECHNOLOGY INSTITUTE (XIAMEN) CO., LTD.
    Inventor: Sitao HUO
  • Publication number: 20240304769
    Abstract: Provided are a display panel. The display panel includes a substrate, a light-emitting element, and a light control assembly. The light-emitting element is located on a side of the substrate. The light control assembly and the light-emitting element are on the same side of the substrate. The light control assembly includes a first light-shielding structure, a spacer structure, and a second light-shielding structure which are stacked. At least part of the first light-shielding structure surrounds the light-emitting element. The spacer structure is located on the side of the first light-shielding structure facing away from the substrate. The second light-shielding structure is located on the side of the spacer structure facing away from the first light-shielding structure. In a first direction, the maximum distance from the second light-shielding structure to the substrate is greater than or equal to the maximum distance from the light-emitting element to the substrate.
    Type: Application
    Filed: May 16, 2024
    Publication date: September 12, 2024
    Applicant: Tianma Advanced Display Technology Institute (Xiamen) Co., Ltd.
    Inventors: Peixuan CHEN, Meng WANG
  • Publication number: 20240304770
    Abstract: A display panel, manufacturing method and display device thereof are described. In an embodiment, the display panel includes: a substrate; a light-emitting device and a compensating structure located on a side of the substrate and located in a display area; and a black adhesive layer located on a side of the substrate and at least filled between the adjacent light-emitting devices and between the adjacent position supplementing structure and light-emitting device. The present disclosure can be used to improve the coverage uniformity of the black adhesive layer and improve the display uniformity.
    Type: Application
    Filed: May 17, 2024
    Publication date: September 12, 2024
    Applicant: Tianma Advanced Display Technology Institute (Xiamen) Co.,Ltd.
    Inventor: Yunyuan ZHANG
  • Publication number: 20240297161
    Abstract: A display panel and a display device, and the display panel includes: the substrate including a display area; the display area includes micro light emitting devices located on the same side of the substrate, a first convex portion and a black film layer; and at least part of the orthographic projection of the black film layer on the plane of the substrate is located between orthographic projections of two adjacent micro light emitting devices on the plane of the substrate.
    Type: Application
    Filed: May 13, 2024
    Publication date: September 5, 2024
    Applicant: Tianma Advanced Display Technology Institute (Xiamen) Co.,Ltd.
    Inventor: Feng WANG
  • Publication number: 20240282893
    Abstract: Provided are a display panel and a display device. The display panel includes a display region, a substrate, an array layer, a light-emitting element, and an inorganic encapsulation layer. The light-emitting element is located on the side of the array layer facing away from the substrate. The array layer includes a groove and a driver circuit. The driver circuit is at least partially located in the display region. The inorganic encapsulation layer is located on the side of the light-emitting element facing away from the substrate and at least partially covers the groove. In a first direction, the minimum distance from the groove to an edge of the display panel is less than the minimum distance from the driver circuit to the edge of the display panel. The first direction is a direction in which the display region points to the edge of the display panel.
    Type: Application
    Filed: April 30, 2024
    Publication date: August 22, 2024
    Applicant: Tianma Advanced Display Technology Institute (Xiamen) Co., Ltd.
    Inventors: Cao LIU, Xiaoxiang HE, Yingying CHEN
  • Publication number: 20240274071
    Abstract: A display panel and a display apparatus. The display panel comprises a temperature detection structure, a first connection electrode, and a second connection electrode, where the temperature detection structure is connected to the first connection electrode and the second connection electrode, respectively.
    Type: Application
    Filed: April 22, 2024
    Publication date: August 15, 2024
    Applicant: Tianma Advanced Display Technology Institute (Xiamen) Co., Ltd.
    Inventor: Peixuan CHEN
  • Publication number: 20240274617
    Abstract: A display panel, a method for manufacturing the display panel, a display screen, and a display device are provided. The display panel includes a substrate and multiple first wires. The substrate includes a first surface and a second surface that are opposite. The first surface faces a display face of the display panel. The multiple first wires are arranged on a side of the first surface away from the second surface. The second surface includes a first division and a second division. A maximum distance between adjacent first wires in the first division is H1, and a maximum distance between adjacent first wires in the second division is H2. H1 is greater than H2. The distance between adjacent first wires in the first division is increased to be greater than the distance between adjacent first wires in the second division.
    Type: Application
    Filed: April 23, 2024
    Publication date: August 15, 2024
    Applicant: TIANMA ADVANCED DISPLAY TECHNOLOGY INSTITUTE (XIAMEN) CO., LTD.
    Inventors: Zhibo YANG, Yangui FENG, Bo ZHOU, Yuxiong CAI
  • Publication number: 20240253160
    Abstract: A welding device includes a fixing component, a welding part, and a pressure application component. The fixing component includes a first fixing member and a second fixing member that are spaced apart from each other along a first direction. The welding part is movably disposed relative to the fixing component and is configured to be capable of emitting energy in a direction of a current element to be welded in a device group to be welded. An orthographic projection of the pressure application component on a first work plane, between the first fixing member and the second fixing member, at least partially surrounds an orthographic projection of the welding part on the first work plane, and the pressure application component is configured to emit gas to at least the device group to be welded at a position of the current element to be welded to apply pressure.
    Type: Application
    Filed: March 14, 2024
    Publication date: August 1, 2024
    Applicant: Tianma Advanced Display Technology Institute (Xiamen) Co., Ltd.
    Inventor: William WU
  • Publication number: 20240249684
    Abstract: A display panel includes a pixel circuit and a light-emitting element. The pixel circuit includes an amplitude modulation subcircuit and a pulse width modulation subcircuit, and the amplitude modulation subcircuit and the pulse width modulation subcircuit each includes a drive transistor. A working process of at least one of the amplitude modulation subcircuit or the pulse width modulation subcircuit includes a bias stage. A bias adjustment signal is provided to the drive transistor during the bias stage, and the bias adjustment signal is configured to adjust the bias state of the drive transistor.
    Type: Application
    Filed: March 8, 2024
    Publication date: July 25, 2024
    Applicant: Tianma Advanced Display Technology Institute (Xiamen) Co., Ltd.
    Inventors: Yuqi HU, Yingteng ZHAI, Jiaxian LIU, Tianyi WU, Feng QIN
  • Publication number: 20240233641
    Abstract: Provided are a pixel circuit, a driver circuit, a display panel, and a display apparatus. The pixel circuit includes a first-type switch transistor and a second-type switch transistor. A gate of the first-type switch transistor receives a first-type control signal. The first-type control signal includes a first high level and a first low level. A gate of the second-type switch transistor receives a second-type control signal. The second-type control signal includes a second high level and a second low level. The first high level is not equal to the second high level, and/or the first low level is not equal to the second low level, thereby implementing the accurate control of transistors and improving circuit stability.
    Type: Application
    Filed: December 29, 2023
    Publication date: July 11, 2024
    Applicant: Tianma Advanced Display Technology Institute (Xiamen) Co., Ltd.
    Inventor: Yingteng ZHAI