Patents Assigned to Wuhan Tianma Micro-Electronics Co., Ltd.
  • Patent number: 11961464
    Abstract: A display panel and a display apparatus are provided. The display panel is connected to a data driver that outputs first and second data signals sequentially through an output terminal. First and second data lines are configured to receive the first and second data signals, respectively. First and second sub-pixels are connected to the first and second data lines, respectively. A first signal line crosses the first and second data lines to form overlapping portions. A gating circuit connects the output terminal to the first and second data lines. A shielding pattern overlaps with at least one overlapping portion. The shielding pattern is configured to receive a fixed potential when the output terminal of the data driver provides a data signal to the data line through the gating circuit.
    Type: Grant
    Filed: April 24, 2023
    Date of Patent: April 16, 2024
    Assignee: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Qian Wei, Shanglong Wang
  • Patent number: 11961477
    Abstract: A pixel driving circuit, a display panel and a driving method are provided. The pixel driving circuit includes: a first power signal terminal receiving a first voltage signal and a second power signal terminal receiving a second voltage signal; a driving transistor configured to provide a driving current in a light-emitting stage; a light-emitting component, connected in series between the driving transistor and the second power signal terminal and configured to emit light in response to the driving current; a light-emitting controller connected in series between the first power signal terminal and the light-emitting component; and a bias unit, electrically connected between the third node and a second output terminal of a light-emitting control circuit, and in response to a first control signal, configured to transmit a first signal outputted by the light-emitting control circuit to a third node to adjust a bias state of the driving transistor.
    Type: Grant
    Filed: March 9, 2021
    Date of Patent: April 16, 2024
    Assignees: Wuhan Tianma Micro-Electronics Co., Ltd., Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch
    Inventors: Mengmeng Zhang, Xingyao Zhou
  • Patent number: 11957024
    Abstract: An OLED panel includes a display area and a non-display area around the display area; a substrate, a driving device layer and a light emitting device layer arranged in the display area, an encapsulation layer covering the light emitting device layer; and a touch layer located on a side of the encapsulation layer facing away from the substrate, the touch layer comprising a touch electrode and a touch wire. The non-display area includes an electrostatic discharge portion, the electrostatic discharge portion is made of a conductive material and is located on a side of the encapsulation layer facing away from the substrate. The non-display area includes a blocking portion, the blocking portion is arranged around the display area, and is located between the substrate and the encapsulation layer. The electrostatic discharge portion is located on a side of the touch wire facing away from the display area.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: April 9, 2024
    Assignee: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Chujie Yu, Jiazhu Zhu, Shanfu Yuan, Tao Peng, Ruiyuan Zhou
  • Patent number: 11957011
    Abstract: A display panel and a display device are provided. The display panel includes a display region including a first region and a second region and a frame region. The display panel also includes a frame adhesive located in the second region, and a padding metal located in the second region. Along a direction perpendicular to a plane where the display panel is located, the padding metal at least partially overlaps the frame adhesive. In addition, the display panel includes a cathode signal line located in the first region. Moreover, the display panel includes a cathode layer located in the display region and connected to the cathode signal line. Further, the display panel includes at least one connecting part connected to the padding metal. The connecting part is located on a side of the padding metal adjacent to the first region, and is connected to the cathode signal line.
    Type: Grant
    Filed: March 30, 2021
    Date of Patent: April 9, 2024
    Assignees: Wuhan Tianma Micro-Electronics Co., Ltd., Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch
    Inventors: Zhuan Gao, Xinzhao Liu
  • Publication number: 20240114737
    Abstract: A display panel includes data lines and a first wiring layer in a display region, and a cover layer located at a side of the first wiring layer facing toward a light-exiting direction of the display panel. The first wiring layer includes data connection lines and wiring segments. The data connection line is connected to a data lines and transmits a data voltage provided in the pad region to the data line. One wiring segment is spaced apart from the data connection line by a first breaking. The cover layer includes first cover portions and second cover portions. Along a direction perpendicular to a plane of the display panel, the first cover portions overlap the first breakings, and the second cover portions overlap the data connection lines and the wiring segments. The first cover portion has a thickness smaller than a thickness of the second cover portion.
    Type: Application
    Filed: December 14, 2023
    Publication date: April 4, 2024
    Applicant: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Qin YUE, Yangzhao MA
  • Publication number: 20240114738
    Abstract: A display panel and a display apparatus are provided, which relates to display technical field. In an embodiment, the display panel includes a display area and light transmission area. In an embodiment, the display area includes: signal lines arranged along first direction and extending along second direction; connecting lines configured to electrically connect signal lines located at two sides of light transmission area along second direction, wherein connecting lines include type-I connecting lines, and at least part of type-I connecting lines are located in display area; type-I connecting lines include edge connecting line which, as one of the type-I connecting lines, has maximum distance from light transmission area; and common lines including type-I common lines, wherein at least part of type-I common lines are located in display area, and part of type-I common lines are located at a side of edge connecting line adjacent to light transmission area.
    Type: Application
    Filed: December 15, 2023
    Publication date: April 4, 2024
    Applicant: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventor: Yuehua YANG
  • Patent number: 11948505
    Abstract: Display panel and display device are provided. The display panel includes a plurality of subpixels. A subpixel of the plurality of subpixels includes a pixel circuit and a light emitting element that are electrically connected. The pixel circuit includes a first transistor. A first electrode of the first transistor is connected to a first reference voltage signal terminal. A second electrode of the first transistor is electrically connected to an anode of the light emitting element. In a light emitting retention stage of the subpixel of the plurality of subpixels, the first reference voltage signal terminal is connected to a negative potential signal or a ground potential signal. The plurality of subpixels includes at least a first subpixel and a second subpixel, and a color of the first subpixel is different from a color of the second subpixel.
    Type: Grant
    Filed: March 4, 2022
    Date of Patent: April 2, 2024
    Assignee: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Jiao Shi, Di Zhang
  • Patent number: 11950481
    Abstract: A display panel and a display device are provided in the present disclosure. The display panel includes a substrate and an array layer disposed on a side of the substrate; a light-emitting layer, where the light-emitting layer is on a side of the array layer away from the substrate and includes a plurality of light-emitting units; and a color filter layer. The color filter layer includes a light-blocking portion and a plurality of color resist units; the plurality of color resist units is disposed corresponding to the plurality of light-emitting units; at least two color resist units of a same color have different orthographic projection shapes on a same first plane; a first plane at least includes one of a first sub-plane and a second sub-plane; the first sub-plane is a plane perpendicular to the substrate; and the second sub-plane is a plane in parallel with the substrate.
    Type: Grant
    Filed: June 15, 2021
    Date of Patent: April 2, 2024
    Assignee: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Liang Hu, Ai Xiao, Linshan Guo
  • 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: 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: 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: 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: 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
  • 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