Patents Assigned to TIANMA MICRO-ELECTRONICS CO., LTD
  • 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: 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: 11907491
    Abstract: A sensing unit and a sensing device are provided. The sensing unit includes a substrate; a plurality of thin-film transistors and a plurality of sensing electrodes disposed on a side of the substrate; and a ring electrode disposed on a first electrode layer. The first electrode layer is located on a side of a thin-film transistor of the plurality of thin-film transistors away from the substrate. The plurality of sensing electrodes are disposed on the first electrode layer, and the ring electrode is disposed around the plurality of sensing electrodes.
    Type: Grant
    Filed: September 29, 2022
    Date of Patent: February 20, 2024
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Shun Gong, Linzhi Wang, Kerui Xi, Jiansheng Zhong
  • Patent number: 11909118
    Abstract: Provided is an antenna. The antenna includes a first metal electrode, a second metal electrode, and a dielectric functional layer. The first metal electrode and the second metal electrode are located on two opposite sides of the dielectric functional layer, respectively; and the first metal electrode includes a plurality of transmission electrodes. The antenna further includes a flexible coplanar waveguide and a feed network. The flexible coplanar waveguide is electrically connected to the feed network and configured to feed an electrical signal to the feed network.
    Type: Grant
    Filed: December 10, 2021
    Date of Patent: February 20, 2024
    Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Zhenyu Jia, Kerui Xi, Baiquan Lin, Linzhi Wang, Qinyi Duan, Zuocai Yang, Feng Qin
  • Publication number: 20240054969
    Abstract: A method for driving a display module, a display module and a display device are provided. The drive method includes: obtaining a common voltage value when the display module performs displaying in a current polarity inversion manner; and controlling the display module to perform displaying in a pre-stored polarity inversion manner when the common voltage value is out of a common voltage threshold range, the pre-stored polarity inversion manner being different from the current polarity inversion manner. In the drive method, the polarity inversion manner is adjusted such that an image is displayed in another polarity inversion manner.
    Type: Application
    Filed: October 25, 2022
    Publication date: February 15, 2024
    Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventor: Hua CHEN
  • Patent number: 11903257
    Abstract: Provided are a display panel and a display apparatus. The display panel includes a driving array layer having functional layers and insulation layers. The driving array layer includes a first transistor, a second transistor, a first capacitor including a first plate and a second plate, and a second capacitor including a third plate and a fourth plate. An active layer of the first transistor contains silicon, and an active layer of the second transistor contains oxide semiconductor. The first plate and the second plate are located in two of the functional layers, respectively, and the third plate and the fourth plate are located in two of the functional layers, respectively.
    Type: Grant
    Filed: January 6, 2023
    Date of Patent: February 13, 2024
    Assignee: Xiamen Tianma Micro-Electronics Co., Ltd.
    Inventors: Jieliang Li, Jiaxian Liu
  • Publication number: 20240045530
    Abstract: The display panel includes at least one first touch area group and multiple touch wires; the at least one first touch area group includes two rows and N columns of touch electrodes; and each touch wire is electrically connected to a respective one touch electrode. The display panel further includes a first detection circuit and a second detection circuit; and each touch electrode is separately electrically connected to the first detection circuit and the second detection circuit by a respective one touch wire. The touch short-circuit detection stage includes a first detection stage. The detection method includes providing, at the first detection stage, a short-circuit detection signal for a touch electrode in the first touch electrode row by the first detection circuit; and determining, according to a short-circuit feedback signal generated by the second detection circuit, whether adjacent ones of the touch electrodes located in a same column are short-circuited.
    Type: Application
    Filed: May 19, 2021
    Publication date: February 8, 2024
    Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.
    Inventors: Changzhi WU, Ying SUN, Yumin XU
  • Publication number: 20240045244
    Abstract: A display module, a display apparatus, and a vehicle are provided. The display module includes a backlight component, and a display component located at a side of the backlight component facing toward a light-emitting direction of the display module. The backlight component includes a first light guide structure, a light regulating structure, and a polymer liquid crystal film. The first polarizer is located at a side of the polymer liquid crystal film facing away from the backlight component. The polymer liquid crystal film is located at a side of the light regulating structure facing away from the first light guide plate and includes a polymer liquid crystal layer, and an electrode layer located at each of at least one side of the polymer liquid crystal layer. The display module has a sharing mode where the electrode layer is not energized and an anti-peeping mode where the electrode layer is energized.
    Type: Application
    Filed: October 10, 2023
    Publication date: February 8, 2024
    Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Longcai Xin, Zhiyuan Zhang, Fan Tian
  • Patent number: 11887533
    Abstract: Provided are a display panel an integrate chip and a display device. The display panel includes a pixel circuit and a light-emitting element. The pixel circuit includes a drive module and a data write module. The drive module is configured to provide a drive current for the light-emitting element and comprises a drive transistor. The data write module comprises a data write transistor and a bias transistor, the data write transistor is configured to transmit a data signal and the bias transistor is configured to transmit a bias signal.
    Type: Grant
    Filed: November 28, 2022
    Date of Patent: January 30, 2024
    Assignee: Xiamen Tianma Micro-Electronics Co., Ltd.
    Inventor: Yong Yuan
  • 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
  • Publication number: 20240027810
    Abstract: A display device includes a display panel, and a protector provided on a display surface of the display panel. The protector includes a first glass substrate positioned on a user side, a second glass substrate positioned between the first glass substrate and display surface, and a first adhesive layer that adheres the first glass substrate and the second glass substrate to each other. A thickness of the first glass substrate is 0.5 mm or less, and a pummel value of the first adhesive layer is from 7 to 10.
    Type: Application
    Filed: July 14, 2023
    Publication date: January 25, 2024
    Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Akira SUZUKI, Futoshi NAKANISHI, Hitoshi YOSHIDA, Noriyuki ITOU, Akira BANJOUYA, Shingo ASAKA, Koetsu ISHIKAWA
  • Patent number: 11881155
    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: January 23, 2024
    Assignee: Xiamen Tianma Micro-Electronics Co., Ltd.
    Inventor: Yong Yuan
  • Patent number: 11881156
    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: January 23, 2024
    Assignee: Xiamen Tianma Micro-Electronics Co., Ltd.
    Inventor: Yong Yuan
  • Patent number: 11880527
    Abstract: A device to enable touchless operation of an instrument is disclosed. The device includes an actuator configured to vibrate the instrument, a controller configured to control the actuator, and an interval detector configured to detect an interval between the instrument and an object to operate the instrument. The controller is configured to start vibrating the actuator having been still after the interval detected by the interval detector reaches a first threshold, keep vibrating the actuator until the interval detected by the interval detector reaches a second threshold larger than the first threshold after the interval reaches the first threshold, and stop vibrating the actuator after the interval detected by the interval detector reaches the second threshold.
    Type: Grant
    Filed: December 8, 2022
    Date of Patent: January 23, 2024
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Hiroshi Haga, Koji Shigemura, Hirotsugu Yamamoto
  • 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
  • Patent number: 11882737
    Abstract: An array substrate, a display panel and a display device are provided. The array substrate includes a plurality of pixel circuits arranged in an array in a first direction and a second direction, where each pixel circuit includes a first semiconductor portion including a first node and a second node; a first reference signal line and a second reference signal line electrically connected to the first node and the second node, respectively; and a switch element formed by a second semiconductor portion and a control portion. In adjacent two pixel circuits in the second direction, the first node of one pixel circuit is connected to the second node of the other one pixel circuit through the second semiconductor portion. The control portion has an orthographic projection on a plane of the array substrate at least partially overlapping the second semiconductor portion.
    Type: Grant
    Filed: June 24, 2021
    Date of Patent: January 23, 2024
    Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventor: Lei Li
  • Patent number: 11881157
    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 drive module and a data write module. The drive module is configured to provide a drive current for the light-emitting element and comprises a drive transistor. An operation of the pixel circuit includes a bias stage, in the bias stage, the data write module and the drive module are on, a compensation module is off, a data signal provides a bias signal for a drain of the drive transistor to adjust a bias state of the drive transistor.
    Type: Grant
    Filed: November 28, 2022
    Date of Patent: January 23, 2024
    Assignee: Xiamen Tianma Micro-Electronics Co., Ltd.
    Inventor: Yong Yuan
  • Patent number: 11882730
    Abstract: Provided are a display panel and a display apparatus. The display panel includes a driving array layer having functional layers and insulation layers. The driving array layer includes a first transistor, a second transistor, a first capacitor including a first plate and a second plate, and a second capacitor including a third plate and a fourth plate. An active layer of the first transistor contains silicon, and an active layer of the second transistor contains oxide semiconductor. The first plate and the second plate are located in two of the functional layers, respectively, and the third plate and the fourth plate are located in two of the functional layers, respectively.
    Type: Grant
    Filed: January 6, 2023
    Date of Patent: January 23, 2024
    Assignee: Xiamen Tianma Micro-Electronics Co., Ltd.
    Inventors: Jieliang Li, Jiaxian Liu
  • 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
  • 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