Patents Assigned to TIANMA MICRO-ELECTRONICS CO., LTD
  • Patent number: 11929313
    Abstract: A chip package structure, manufacturing method thereof, and module are described. In an embodiment, the chip package structure includes: a substrate, a wiring layer, a chip, and a second conductive bump, wherein, in an embodiment, the substrate includes a first region and a second region surrounding the first region, and the wiring layer is located on side of the substrate and includes metal wire, wherein at least part of a metal wire is in contact with the substrate in direction perpendicular to the substrate, and the metal wire overlaps with the second region, wherein the chip is located on side of the wiring layer facing away from the substrate, and the chip corresponds to the first region. In an embodiment, a first conductive bump is provided on side of the chip facing away from the substrate and is electrically connected to the metal wire.
    Type: Grant
    Filed: November 22, 2021
    Date of Patent: March 12, 2024
    Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Mingyu Wang, Kerui Xi, Xuhui Peng, Feng Qin, Jie Zhang
  • Patent number: 11929450
    Abstract: An electroluminescent display panel and a display device are provided. In the embodiments of the disclosure, a photosensitive component is arranged in the photosensitive component arranging region. The extending line of at least one line is arranged in the photosensitive component arranging region so that the orthographic projection of the extending line on the light-emitting surface of the electroluminescent display panel overlaps with the first pixels in the first and second specific pixel groups in the photosensitive component arranging area; the first and second specific pixel groups include respective first pixels located in first straight lines of the second pixels correspondingly connected to two adjacent signal lines, the first and second specific pixel groups are adjacent in the second direction, and the first straight lines extend in the first direction.
    Type: Grant
    Filed: May 27, 2021
    Date of Patent: March 12, 2024
    Assignee: WuHan TianMa Micro-Electronics Co., Ltd.
    Inventors: Yangzhao Ma, Yuejun Tang, Ruiyuan Zhou
  • Patent number: 11927856
    Abstract: A display panel and a display device are provided according to embodiments of the application. In the display panel, a first metal electrode layer further includes multiple second metal electrode lines which are located in the same layer as multiple first metal electrode lines. An end of the second metal electrode line is electrically connected with the drain of a thin film transistor; and the other end of the second metal electrode line is electrically connected with the pixel electrode, so that the pixel electrode is electrically connected with the drain of the corresponding thin film transistor through the second metal electrode line. The area occupied by the electric connection region of the pixel electrode and the drain of the corresponding thin film transistor is reduced and the display area of the display panel is increased, when the size and the thickness of the display panel are not increased.
    Type: Grant
    Filed: June 24, 2020
    Date of Patent: March 12, 2024
    Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Ankai Ling, Limei Zhou, Menglan Chen, Poping Shen
  • Publication number: 20240077916
    Abstract: A foldable apparatus for supporting a flexible display screen includes a spindle assembly and two rotating components. At least one of the two rotating components is a first rotating component that includes a middle frame, a rotating holder, and a transmission structure. The rotating holder is rotatably connected to the spindle assembly. The middle frame is located at a side of the rotating holder away from the spindle assembly. The middle frame and the rotating holder is configured to slide in parallel. The transmission structure has one end connected to the spindle assembly and another end connected to the middle frame. The middle frame is configured to adhere to the flexible display screen. When the first rotating component rotates relative to the spindle assembly, the transmission structure moves relative to the rotating holder and drives the middle frame to slide in parallel relative to the rotating holder.
    Type: Application
    Filed: October 23, 2023
    Publication date: March 7, 2024
    Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Haoyang XIA, Tianqi HUANG, Renhao PAN
  • Patent number: 11925076
    Abstract: Provided are a display panel and a display device. The display panel includes a base substrate as well as, at a side of the base substrate, a plurality of sub-pixels arranged in an array, a power bus, a plurality of first power lines extending along a column direction and a plurality of second power lines extending along a row direction, where each of the plurality of first power lines is electrically connected to the plurality of the sub-pixels arranged along the column direction, and the plurality of first power lines and the plurality of second power lines are electrically connected in overlapping regions of vertical projection on the base substrate. The display panel further includes a plurality of connection units.
    Type: Grant
    Filed: December 30, 2020
    Date of Patent: March 5, 2024
    Assignees: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD., WUHAN TIANMA MICROELECTRONICS CO., LTD. SHANGHAI BRANCH
    Inventors: Zhe Zhao, Shuai Yang, Yue Li, Xingyao Zhou, Mengmeng Zhang
  • Patent number: 11925100
    Abstract: A display module includes substrate and adhesive portion. Substrate includes display portion, bending portion and bonding portion located on non-light-emitting side of display portion. Bending portion is located between display portion and bonding portion. Adhesive portion includes first adhesive portion including first adhesive sub-portion and second adhesive sub-portion located on side of first adhesive sub-portion facing away from bending portion. Bonding portion includes first bonding sub-portion at least partially overlapping first adhesive sub-portion in a first direction and second bonding sub-portion located on side of first bonding sub-portion facing away from bending portion at least partially overlapping second adhesive sub-portion in the first direction.
    Type: Grant
    Filed: September 2, 2021
    Date of Patent: March 5, 2024
    Assignee: Wuhan Tianma Micro-Electronics Co., Ltd.
    Inventors: Xiangwei Zhao, Jiang Li, Guancheng Xiao, Ruiyuan Zhou
  • Publication number: 20240074268
    Abstract: Provided are a display panel and a display device. The display panel includes a first display region and a second display region. The first display region includes a plurality of first sub-pixels. The second display region includes a plurality of second sub-pixels. The first sub-pixel includes a first-type first sub-pixel. The second sub-pixel includes a first-type second sub-pixel. The emitted color of the first-type first sub-pixel is the same as the emitted color of the first-type second sub-pixel. The first-type first sub-pixel includes a first anode. The first-type second sub-pixel includes a second anode. The area of the first anode is less than the area of the second anode.
    Type: Application
    Filed: June 30, 2021
    Publication date: February 29, 2024
    Applicant: Wuhan Tianma Micro-Electronics Co., Ltd.
    Inventor: Wei HUANG
  • Patent number: 11916297
    Abstract: A liquid crystal antenna and a method for forming a liquid crystal antenna are provided. The liquid crystal antenna includes a first substrate; a second substrate opposite to the first substrate; and a liquid crystal layer disposed between the first substrate and the second substrate. A first conductive layer is disposed on a side of the first substrate facing toward the second substrate; a second conductive layer is disposed on a side of the second substrate facing toward the first substrate; the second conductive layer at least includes a plurality of radiation electrodes; an external metal layer is disposed on a side of the first substrate facing away from the liquid crystal layer; and the external metal layer is connected to a fixed potential.
    Type: Grant
    Filed: February 9, 2022
    Date of Patent: February 27, 2024
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Zhenyu Jia, Kerui Xi, Baiquan Lin, Xiaonan Han, Zuocai Yang, Donghua Wang, Yukun Huang, Feng Qin
  • Patent number: 11917857
    Abstract: Provided are a display module and display device. The display module includes a display panel, a cover plate and a conductive shielding layer. The conductive shielding layer is located on a side of the display panel, and the cover plate is located on a side of the display panel facing away from the conductive shielding layer. The display module includes a conductive film. The conductive film is located on a side of the cover plate facing the conductive shielding layer, and the conductive film is connected to the cover plate and the conductive shielding layer separately.
    Type: Grant
    Filed: September 8, 2021
    Date of Patent: February 27, 2024
    Assignee: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Shengming Li, Jiang Chen, Jun Huang
  • Patent number: 11912729
    Abstract: Provided are a boron-silicon heterocyclic compound having a structure represented by formula 1, a display device and a display apparatus. In formula 1, L1 and L2 are each a single bond, C6-C30 arylene, C6-C30 fused arylene, C4-C30 heteroarylene, or C4-C30 fused heteroarylene; D1 and D2 are each a substituted or unsubstituted C6-C60 aryl, a substituted or unsubstituted C4-C60 heteroaryl, a substituted or unsubstituted C10-C60 fused aryl, a substituted or unsubstituted C8-C30 fused heteroaryl, or a substituted or unsubstituted diphenylamino. The compound has a strong inductive effect and can reduce the driving voltage of the device. The silacyclopentadiene having a silicon atom as spiro-atom can effectively improve the solubility of the material, which is beneficial to the cleaning of the vapor deposition mask. In addition, the compound has a higher triplet energy level to effectively transfer energy to the luminous body, and improves the efficiency of the device.
    Type: Grant
    Filed: August 26, 2020
    Date of Patent: February 27, 2024
    Assignees: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD., WUHAN TIANMA MICROELECTRONICS CO., LTD. SHANGHAI BRANCH
    Inventors: Lei Zhang, Wei Gao, Jinghua Niu, Ying Liu, Dongyang Deng, Yan Lu, Hongyan Zhu, Xia Li
  • Patent number: 11917850
    Abstract: The display panel includes a plurality of light-emitting areas and a plurality of non-light-emitting areas, the plurality of light-emitting areas being space apart from each other by the plurality of non-light-emitting area; light-emitting elements each located in one of the plurality of light-emitting areas and including an anode and a cathode that are opposite to each other, and a light-emitting layer located therebetween; a cover layer covering a light-emission side of the light-emitting element. The cover layer includes a substrate and first dopants doped in the substrate, the first dopants are magnetic. When an external magnetic field intensity applied to the cover layer is changed by an amount greater than a preset magnetic field intensity, the first dopants in the substrate are rearranged from a first mode to a second mode.
    Type: Grant
    Filed: June 16, 2020
    Date of Patent: February 27, 2024
    Assignee: Wuhan Tianma Micro-Electronics Co., Ltd.
    Inventors: Wei Gao, Lei Zhang, Wenjing Xiao, Wenpeng Dai, Jinghua Niu, Ping An
  • Patent number: 11916046
    Abstract: Provided are a display panel and a display device. The display panel includes a display area including pixel areas, each of which includes at least two sub-pixel areas each including a display light-emitting diode. The sub-pixel areas include shared sub-pixel areas, each of which is shared by at least two pixel areas and includes m spare binding areas, where m?2. The shared sub-pixel areas include a first shared sub-pixel area, in which the display light-emitting diode does not emit light. Each first shared sub-pixel area includes n spare light-emitting diodes, where 2?n?m. When the display panel is driven to emit light, standard brightness required to be displayed by each first shared sub-pixel area is L1 and luminous brightness of each spare light-emitting diode in the first shared sub-pixel area is L2, where L2<L1. The present disclosure can weaken influence on display effect caused by shifting of the light-emitting center.
    Type: Grant
    Filed: December 30, 2020
    Date of Patent: February 27, 2024
    Assignee: Xiamen Tianma Micro-Electronics Co., Ltd.
    Inventor: Xiao Chi
  • Patent number: 11915638
    Abstract: A display panel and a display device are provided. The display panel includes a pixel circuit and a light-emitting element. The pixel circuit includes a data-writing module, a driving module, and a compensation module. The data-writing module is configured to selectively provide a data signal for the driving module. The driving module includes a driving transistor and is configured to provide a driving current to the light-emitting element. The compensation module is configured to compensate a threshold voltage of the driving transistor. A source of the driving transistor includes a first source and a second source, and a drain of the driving transistor includes a first drain and a second drain. A third driving portion is arranged between the first source and the second source. A first driving portion is arranged between the second source and the first drain.
    Type: Grant
    Filed: February 7, 2023
    Date of Patent: February 27, 2024
    Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventor: Yong Yuan
  • Publication number: 20240062720
    Abstract: Provided are a display panel and a display device. The display panel includes a display area and pixel circuits. The display area includes a first display area and a second display area. The first display area is used as an optical element reservation area. The pixel circuits include a first pixel circuit and a second pixel circuit. The first display area includes minimum repeating units. One of the minimum repeating units includes first light-emitting elements of at least three different colors. Multiple first light-emitting elements include a light-emitting element of a first color, a light-emitting element of a second color, and a light-emitting element of a third color. The first pixel circuit is configured to drive first light-emitting elements to emit light. In at least one minimum repeating unit, at least two first light-emitting elements of at least one same color are electrically connected to a same first pixel circuit.
    Type: Application
    Filed: June 29, 2021
    Publication date: February 22, 2024
    Applicant: Wuhan Tianma Micro-Electronics Co., Ltd.
    Inventors: Yangzhao MA, Hao DAI
  • Patent number: 11908389
    Abstract: Provided are a display panel and a display device. The display panel includes a pixel circuit and a light-emitting element. The pixel circuit includes a data write module, a drive module, a compensation module and a reset module. The drive module includes a drive transistor. The data write module is connected between a data signal input terminal and a source of the drive transistor. The compensation module is connected between a gate of the drive transistor and the drain of the drive transistor. The rest module is connected between a reset signal terminal and the drain of the drive transistor. The reset module also serves as a bias module. An operation of the pixel circuit includes a reset stage and a bias stage, during the reset stage, the reset module and the compensation module are on.
    Type: Grant
    Filed: November 28, 2022
    Date of Patent: February 20, 2024
    Assignee: Xiamen Tianma Micro-Electronics Co., Ltd.
    Inventor: Yong Yuan
  • Patent number: 11908391
    Abstract: Provided are a display panel and a display device. The display panel includes a pixel circuit and a light-emitting element. The pixel circuit includes a data write module, a drive module, a compensation module and a reset module. The drive module includes a drive transistor. The data write module is connected between a data signal input terminal and a source of the drive transistor. The compensation module is connected between a gate of the drive transistor and the drain of the drive transistor. The rest module is connected between a reset signal terminal and the drain of the drive transistor. The reset module also serves as a bias module. An operation of the pixel circuit includes a reset stage and a bias stage, during the reset stage, the reset module and the compensation module are on.
    Type: Grant
    Filed: November 28, 2022
    Date of Patent: February 20, 2024
    Assignee: Xiamen Tianma Micro-Electronics Co., Ltd.
    Inventor: Yong Yuan
  • Patent number: 11908388
    Abstract: Provided are a display panel and a display device. The display panel includes a pixel circuit and a light-emitting element. The pixel circuit includes a data write module, a drive module and a compensation module. The drive module includes a drive transistor. The data write module is connected to an input terminal of the drive module; a first electrode of the compensation module is connected to an output terminal of the drive module, and a second electrode of the compensation module is connected to a control terminal of the drive module. The data write module includes a data write transistor and a bias transistor, the data write transistor is connected to a data signal input terminal and configured to transmit a data signal, and the bias transistor is connected to a bias signal input terminal and configured to transmit a bias signal.
    Type: Grant
    Filed: November 28, 2022
    Date of Patent: February 20, 2024
    Assignee: Xiamen Tianma Micro-Electronics Co., Ltd.
    Inventor: Yong Yuan
  • Patent number: 11908390
    Abstract: Provided are a display panel and a display device. The display panel includes a pixel circuit and a light-emitting element. The pixel circuit includes a data write module, a drive module, a compensation module and a reset module. The drive module includes a drive transistor. The data write module is connected between a data signal input terminal and a source of the drive transistor. The compensation module is connected between a gate of the drive transistor and the drain of the drive transistor. The rest module is connected between a reset signal terminal and the drain of the drive transistor. The reset module also serves as a bias module. An operation of the pixel circuit includes a reset stage and a bias stage, during the reset stage, the reset module and the compensation module are on.
    Type: Grant
    Filed: November 28, 2022
    Date of Patent: February 20, 2024
    Assignee: Xiamen Tianma Micro-Electronics Co., Ltd.
    Inventor: Yong Yuan
  • Patent number: 11906861
    Abstract: Provided are a display panel and a display device. The display panel includes multiple data lines and multiple scanning lines. The multiple data lines intersect with the multiple scanning lines to define multiple pixel units arranged in an array, and the data lines are insulated from the scanning lines; and pixel electrodes of pixel units that are among the multiple pixel units and in at least portion of the array include multiple first branch electrodes arranged in parallel; along a direction of the multiple scanning lines, each of the multiple first branch electrodes includes multiple first branch electrode segments connected sequentially; and an included angle between two adjacently connected first branch electrode segments of the multiple first branch electrode segments is less than 180°.
    Type: Grant
    Filed: November 17, 2020
    Date of Patent: February 20, 2024
    Assignee: Xiamen Tianma Micro-Electronics Co., Ltd.
    Inventors: Ankai Ling, Limei Zhou, Menglan Chen, Poping Shen
  • Patent number: 11907472
    Abstract: A detection device includes a plurality of first electrodes extending in a first direction, a plurality of second electrodes extending in a second direction that crosses the first direction, and a controller. The controller selects, as first detection electrodes, two of the first electrodes and two of the second electrodes positioned outermost in a predetermined detection region, selects, as first driving electrodes, at least one of first electrodes and the second electrodes not selected as the first detection electrodes, and detects a target in a non-contacting state from signals expressing capacitances acquired, by applying a voltage to the first driving electrodes, from the first detection electrodes.
    Type: Grant
    Filed: December 20, 2021
    Date of Patent: February 20, 2024
    Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Yuki Ito, Yukihiro Ito