Patents Assigned to Wuhan Tianma Micro-Electronics Co., Ltd.
  • 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: 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: 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
  • 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: 11905300
    Abstract: The present disclosure relates to a compound, a material for an organic electroluminescent device and an application thereof. The compound provided by the present disclosure has a relatively high refractive index and can effectively improve the light extraction efficiency and the external quantum efficiency of an organic electroluminescent device when used in the organic electroluminescent device especially as a material for the capping layer. The compound has a relatively high refractive index in the region of visible light (400-750 nm), which is conducive to improving the light-emitting efficiency. The compound has a relatively large extinction coefficient in the ultraviolet region (less than 400 nm), which is conducive to absorbing harmful light and protecting eyesight and has a relatively small extinction coefficient in the region of blue light (400-450 nm) and hardly absorbs blue light, which is conducive to improve the light-emitting efficiency.
    Type: Grant
    Filed: July 28, 2021
    Date of Patent: February 20, 2024
    Assignees: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD., WUHAN TIANMA MICROELECTRONICS CO., LTD. SHANGHAI BRANCH
    Inventors: Lu Zhai, Wei Gao, Wenpeng Dai, Lei Zhang, Quan Ran
  • Patent number: 11910678
    Abstract: A display panel including a display area including a first display area and a second display area; and a non-display area at least partially surrounding the display area, the non-display area including a first fan-out area located on one side of the display area along a first direction, the first fan-out area including a plurality of fan-out lines the second display area being located on at least one side of the first display area along a second direction, both the first display area and the second display area including a plurality of data lines extending along the first direction and arranged along the second direction, the data lines being electrically connected the fan-out lines, the data lines in the second display area being electrically connected to the fan-out lines through a connecting line.
    Type: Grant
    Filed: February 17, 2023
    Date of Patent: February 20, 2024
    Assignee: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventor: Wenshuai Zhang
  • Patent number: 11884679
    Abstract: Provided is a compound including a moiety A and one or two moieties B fused with the moiety A at fusing sites, in which X is N, O, S or C; and when X is O or S, Ar2-L1- is absent; Y1-Y4 are each independently C or N; L1 and L2 are each independently a single bond, a substituted or unsubstituted C6-C30 arylene, a substituted or unsubstituted C10-C40 fused arylene, or a substituted or unsubstituted C4-C30 heteroarylene; Ar1 and Ar2 are each independently a substituted or unsubstituted C6-C30 aryl, a substituted or unsubstituted C10-C40 fused aryl, a substituted or unsubstituted C4-C30 heteroaryl, or a substituted or unsubstituted C6-C40 fused heteroaryl, and * represents one of the fusing sites, N or CRa, where Ra is a substituted or unsubstituted C1-C20 alkyl, a substituted or unsubstituted C6-C30 aryl, or a substituted or unsubstituted C3-C30 heteroaryl.
    Type: Grant
    Filed: December 21, 2020
    Date of Patent: January 30, 2024
    Assignees: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD., WUHAN TIANMA MICROELECTRONICS CO., LTD. SHANGHAI BRANCH
    Inventors: Wenpeng Dai, Wei Gao, Lei Zhang, Quan Ran
  • Patent number: 11882747
    Abstract: Provided are a display panel and a display apparatus. The display panel includes a normal display region and a functional region. The normal display region includes a first display region, a second display region and a third display region. Along a first direction, lengths of third, first and second display regions of the normal display region decrease. One of the first and third display regions is a specific display region where first semiconductor pattern layers are located. The first semiconductor pattern layers are arranged along a third direction and connected to each other. In the second display region, the second semiconductor pattern layers first semiconductor pattern layers is arranged along a third direction and connected to each other. The second semiconductor pattern layers are connected to the first semiconductor pattern layers.
    Type: Grant
    Filed: December 30, 2020
    Date of Patent: January 23, 2024
    Assignee: WuHan TianMa Micro-electronics CO., LTD.
    Inventors: Xueshun Hou, Dongxu Xiang, Yuan Li, Tao Peng
  • Patent number: 11882743
    Abstract: A display panel and a display apparatus are provided. The display panel includes pixel circuits in a display region, a light-emitting device, and signal lines. The pixel circuits are electrically connected to the light-emitting devices, and the signal lines are electrically connected to the pixel circuits. The signal lines include constant voltage signal lines extending in a first direction and connected to a constant voltage terminal. The display region includes a first display region and a second display region. The constant voltage signal lines include first constant voltage signal lines located in the first display region and second constant voltage signal lines located in the second display region. A distance between two adjacent first constant voltage signal lines in the first display region is D1, and a distance between two adjacent second constant voltage signal lines in the second display region is D2, where D1?D2.
    Type: Grant
    Filed: December 30, 2022
    Date of Patent: January 23, 2024
    Assignee: WuHan TianMa Micro-electronics CO., LTD.
    Inventors: Yangzhao Ma, Meihong Wang, Hao Dai, Pengcheng Mu, Lida Li
  • Publication number: 20240021149
    Abstract: A display panel including sub-pixels each including a pixel circuit and a light-emitting element. The pixel circuit includes a plurality of anode reset circuits. The sub-pixels include a red sub-pixel, a green sub-pixel, and a blue sub-pixel. Anode reset circuits in the red sub-pixel and the blue sub-pixel are configured to respectively reset anodes of the light-emitting elements in the red sub-pixel and the blue sub-pixel by using a first anode reset voltage. The anode reset circuit of the green sub-pixel is configured to reset an anode of the light-emitting element of the green sub-pixel by using a second anode reset voltage greater than the first anode reset voltage.
    Type: Application
    Filed: July 25, 2023
    Publication date: January 18, 2024
    Applicant: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventor: Rui LI
  • Patent number: 11877493
    Abstract: A display panel includes: a first display region used for disposing a sensor; a second display region surrounding the first display region; first pixel units in the first display region; second pixel units in the second display region; and an array substrate, where the array substrate includes a plurality of first data lines and a plurality of second data lines, and the plurality of first data lines pass through the first display region; where in the first display region, each of the plurality of first data lines is electrically connected to a sub-pixel of the first pixel units.
    Type: Grant
    Filed: July 8, 2022
    Date of Patent: January 16, 2024
    Assignee: Wuhan Tianma Micro-Electronics Co., Ltd.
    Inventors: Shoufu Jian, Dongliang Dun
  • Patent number: 11871629
    Abstract: Provided are an organic light-emitting display panel and a display device. The organic light-emitting display panel includes: a plurality of organic light-emitting units, a first display area and a second display area. The plurality of organic light-emitting units includes first organic light-emitting units in the first display area and second organic light-emitting units in the second display area. The first organic light-emitting units share a first cathode. The second organic light-emitting units include at least one organic light-emitting unit group, each of the at least one organic light-emitting unit group includes at least one organic light-emitting unit. The at least one organic light-emitting unit in a same organic light-emitting unit group shares a second cathode. The second cathode has a zigzag edge segment.
    Type: Grant
    Filed: April 27, 2022
    Date of Patent: January 9, 2024
    Assignee: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Ruili Cui, Yangzhao Ma, Jiazhu Zhu, Yongzhi Wang, Shanfu Yuan, Yingjie Chen, Tao Peng, Ruiyuan Zhou
  • Patent number: 11869434
    Abstract: Display panel and display device are provided. The display panel includes a display area and a non-display area. The display panel includes a plurality of first subpixels on the substrate. A first subpixel of the plurality of first subpixels includes a first pixel circuit and a light-emitting element electrically connected to the first pixel circuit. The first pixel circuit at least includes a first type of double-gate transistor. A first gate of the first type of double-gate transistor is connected to a first control line. A second gate of the first type of double-gate transistor is connected to a second control line. The display panel further includes a second detection line having a same width as the second control line.
    Type: Grant
    Filed: August 25, 2022
    Date of Patent: January 9, 2024
    Assignees: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD., WUHAN TIANMA MICROELECTRONICS CO., LTD. SHANGHAI BRANCH
    Inventor: Peng Zhang
  • Patent number: 11871511
    Abstract: Provided are a flexible circuit mother board and a detection method. The flexible circuit mother board includes flexible circuit daughter boards, at least one detection terminal group and external pad groups corresponding to the flexible circuit daughter boards in one-to-one correspondence. Each flexible circuit daughter board has a bonding pad area adjacent to a corresponding one of the plurality of external pad groups. Each detection terminal group detects at least one flexible circuit daughter board, and each of the at least one detection terminal group comprises a plurality of detection terminals. Each flexible circuit daughter board includes a plurality of capacitors including a first electrode plate and a second electrode plate. Each of the first electrode plate and the second electrode plate is electrically connected to one detection terminal.
    Type: Grant
    Filed: August 26, 2020
    Date of Patent: January 9, 2024
    Assignee: WuHan TianMa Micro-electronics CO., LTD.
    Inventors: Han Wu, Houfu Gong, Zhenhua Liang, Xiang Huang
  • Patent number: 11862048
    Abstract: A flexible display apparatus and an electronic device are provided in the present disclosure. The flexible display apparatus includes a flexible display panel, a supporting structure, and a locking part. Both the flexible display panel and the supporting structure are capable of being rolled in the hollow space, the supporting structure includes a plurality of supporting plates, and at least a first degree of rotation freedom is between two adjacent supporting plates. The supporting structure has an unfolded state; in the unfolded state, both the supporting structure and the flexible display panel at least partially extend out of the main body structure; and the locking part acts on the supporting structure that extends from the main body structure to limit the first degree of rotation freedom of the plurality of supporting plates, such that the supporting structure flatly supports the flexible display panel.
    Type: Grant
    Filed: December 29, 2021
    Date of Patent: January 2, 2024
    Assignee: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Shengming Li, Gaojun Huang
  • Patent number: 11862087
    Abstract: A display device includes a plurality of pixels and a control circuit configured to control brightness of the plurality of pixels. Each of the plurality of pixels includes a light-emitting element and a pixel circuit configured to control light emission of the light-emitting element. The pixel circuit includes a driving transistor configured to supply electric current to the light-emitting element, and a storage capacitor configured to store voltage to control the electric current to be supplied by the driving transistor to the light-emitting element. The control circuit is configured to determine a statistic of brightness of pixels specified by one or more video frames with a predetermined method, determine a length of a threshold compensation period for which the storage capacitor applies threshold compensation to the driving transistor based on the statistic, and control the pixel circuit based on the threshold compensation period.
    Type: Grant
    Filed: September 7, 2022
    Date of Patent: January 2, 2024
    Assignee: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Ruyue Zhang, Genshiro Kawachi
  • Publication number: 20230418405
    Abstract: Display panel and display device are provided. The display panel includes an array substrate and a cover plate disposed opposite to the array substrate, touch electrode layers on a side of the cover plate facing the array substrate, and a plurality of first touch pads and a plurality of second touch pads disposed opposite to the plurality of the first touch pads. Each of the array substrate and the cover plate include a display area and a non-display area at least partially surrounding the display area. The non-display area of the array substrate includes a step area provided with bonding pads. The non-display area of the array substrate includes at least one irregularly-shaped area adjacent to the step area. A first touch pad is electrically connected to a second touch pad.
    Type: Application
    Filed: September 30, 2022
    Publication date: December 28, 2023
    Applicant: Wuhan Tianma Micro-Electronics Co, Ltd. Shanghai Branch.
    Inventors: Qibing WEI, Peng ZHANG, Xingyao ZHOU, Wei LIU
  • Publication number: 20230419904
    Abstract: Provided are a display panel, a method for driving a display panel, and a display apparatus. The display panel includes a light-emitting element, a pixel driver circuit, and a control circuit. The pixel driver circuit includes a driver transistor and a first light emission control switch. A working mode of the display panel includes a first mode. In the first mode, a working cycle of the pixel driver circuit includes a data writing phase and at least one data holding phase subsequent to the data writing phase. The data writing phase includes at least one first light-emitting period. The data holding phase includes at least one second light-emitting period. The control circuit controls a duration of a first one of the at least one first light-emitting period in the data writing phase to be less than a duration of one of the at least one second light-emitting period.
    Type: Application
    Filed: September 8, 2023
    Publication date: December 28, 2023
    Applicants: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD., Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch
    Inventors: Jian KUANG, Mengmeng ZHANG, Xingyao ZHOU, Yana GAO
  • Patent number: 11853502
    Abstract: Display panel and display device are provided. The display panel includes an array substrate and a cover plate disposed opposite to the array substrate, touch electrode layers on a side of the cover plate facing the array substrate, and a plurality of first touch pads and a plurality of second touch pads disposed opposite to the plurality of the first touch pads. Each of the array substrate and the cover plate include a display area and a non-display area at least partially surrounding the display area. The non-display area of the array substrate includes a step area provided with bonding pads. The non-display area of the array substrate includes at least one irregularly-shaped area adjacent to the step area. A first touch pad is electrically connected to a second touch pad.
    Type: Grant
    Filed: September 30, 2022
    Date of Patent: December 26, 2023
    Assignees: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD., WUHAN TIANMA MICROELECTRONICS CO., LTD. SHANGHAI BRANCH
    Inventors: Qibing Wei, Peng Zhang, Xingyao Zhou, Wei Liu