Patents Assigned to Shanghai 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
  • 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: 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
  • 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: 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
  • 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
  • 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
  • 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
  • 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: 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: 11874487
    Abstract: Provided are a light guide plate assembly, a backlight module, and a display device, which relate to the field of display technologies, and improve uniformity of the light intensity of light emitted from different areas in the light guide plate assembly. The light guide plate assembly includes a reflection portion having an aperture; and a transmission portion. At least part of the transmission portion is located in the aperture. The transmission portion includes a converging portion and a diverging portion. The converging portion is configured to make light that enters the converging portion be converged towards a direction away from a center of the aperture. The diverging portion is configured to make light that enters the diverging portion be diverged towards a direction away from the center of the aperture. The converging portion is located at a side of the transmission portion away from the center of the aperture.
    Type: Grant
    Filed: April 7, 2023
    Date of Patent: January 16, 2024
    Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Zhanxiang Guo, Yumin Xu, Binbin Chang, Zhaoxing Gao, Wanzhen Wang, Weiyang Sun, Jianguo Bian
  • Patent number: 11876112
    Abstract: Provided are a display panel and a spliced display device. The display panel includes pixel rows and spacing areas. The pixel rows include a type-A pixel row adjacent to a first panel edge and type-B pixel rows including a first type-B pixel row. The spacing areas correspond to and are adjacent to the type-B pixel rows, and close to the first panel edge. The pixel row includes light-emitting devices and pixel circuits. The pixel circuit includes a first part and a second part. In the type-A pixel row, the first part is located at a side of the light-emitting device close to the first panel edge, and the second part is located in the spacing area corresponding to the first type-B pixel row. In at least one type-B pixel row, the pixel circuit is located at a side of the light-emitting device close to the first panel edge.
    Type: Grant
    Filed: March 27, 2023
    Date of Patent: January 16, 2024
    Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Tenggang Lou, Ximin Qi
  • Patent number: 11861106
    Abstract: A detection device includes a sensor including a driving electrode and detection electrodes and a controller detecting a non-contact target from signal waveforms acquired from the detection electrodes by applying a voltage to the driving electrode, the signal waveforms each indicating a change in signal strength over time. The controller discriminates a peak caused by the non-contact target on the basis of a time width from a rising start point of a peak to a peak top of the peak, a height from the rising start point of the peak to the peak top of the peak, and a slope of a rising side of the peak.
    Type: Grant
    Filed: October 21, 2022
    Date of Patent: January 2, 2024
    Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Yuki Ito, Yukihiro Ito
  • Publication number: 20230415665
    Abstract: A display device includes a display having a display surface, and a holder that is provided on a surface of a side opposite the display surface of the display and that fixes the display to the fixing target. In a state in which the display device is fixed to the fixing target, when an impactor impacts the display surface on a center line that passes through a center of a display region of the display and that is perpendicular to the display region, a rigidity to impact of the display device is asymmetrical.
    Type: Application
    Filed: June 16, 2023
    Publication date: December 28, 2023
    Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Hitoshi YOSHIDA, Futoshi Nakanishi, Noriyuki Itou, Akira Banjouya, Akira Suzuki, Shingo Asaka, Koetsu Ishikawa
  • Publication number: 20230419885
    Abstract: A pixel circuit, a display panel and a display device. The pixel circuit includes drive transistor, storage capacitor, compensation circuit, and voltage controller. The drive transistor has a gate electrode connected to a first node and generates a drive current in a light-emitting phase of an operation cycle of the pixel circuit. The storage capacitor has a first plate connected to the first node and a second plate connected to a second node and stores a data voltage inputted to the gate electrode of the drive transistor. The compensation circuit has an output terminal connected to the second node and a first input terminal receiving a first power supply voltage and compensates a deviation of the first power supply voltage affecting the drive current. The voltage controller is connected to the second node and controls a fluctuation of a voltage of the second node prior to the light-emitting phase.
    Type: Application
    Filed: August 2, 2023
    Publication date: December 28, 2023
    Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Yingteng ZHAI, Xiaoxiang HE
  • Publication number: 20230413642
    Abstract: A display panel and an electronic device are provided. The display panel includes a display area. The display area includes a first display area and a second display area at least partially surrounds the first display area. The first display area has greater light transmittance than the second display area. The display panel further includes a substrate, and a display array on the substrate. The display array includes light emitting elements arranged in the display area. The light emitting elements arranged in the first display area are grouped into at least one light emitting element group. The light emitting elements in the same light emitting element group share a same anode, and therefore are controlled to emit light synchronously via the anode, to decrease a lightproof structure in the first display area in size and improving the light transmittance of the first display area.
    Type: Application
    Filed: September 6, 2023
    Publication date: December 21, 2023
    Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventor: Yang ZENG
  • Publication number: 20230402442
    Abstract: A display panel includes a backplate, a eutectic bonding layer and an auxiliary layer that are located at a side of the backplate, and a plurality of light-emitting element bodies. The auxiliary layer includes a plurality of first members and a second member. At least one first member of the plurality of first members surrounds one part of the eutectic bonding layer, and the second member surrounds the plurality of first members. Each of the plurality of light-emitting element bodies is located at a side of the eutectic bonding layer and is connected to one part of the eutectic bonding layer.
    Type: Application
    Filed: August 25, 2023
    Publication date: December 14, 2023
    Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventor: Canyuan ZHANG
  • Patent number: 11839875
    Abstract: A driving circuit, a method for driving the same, and a microfluidic device are provided. The driving circuit includes a constant voltage writing module configured to transmit a constant voltage to an output terminal of the driving circuit, an AC voltage writing module configured to transmit an AC voltage to the output terminal of the driving circuit, a first switch, and a first capacitor. The first switch includes an input terminal electrically connected to a third signal line, an output terminal electrically connected to control terminals of the AC voltage writing module and the constant voltage writing module, and a control terminal electrically connected to a first scan line. The first capacitor is configured to stabilize a potential of the output terminal the first switch.
    Type: Grant
    Filed: May 13, 2022
    Date of Patent: December 12, 2023
    Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Kaidi Zhang, Boquan Lin, Yunfei Bai, Wei Li, Shun Gong, Linzhi Wang, Kerui Xi
  • Patent number: 11841564
    Abstract: A display device includes a liquid crystal display including a first liquid crystal display panel that displays a character or an image; a decorative member; and a controller that controls the display of the liquid crystal display. The decorative member is disposed on a display surface side of the liquid crystal display, and includes a display region in which the display of the liquid crystal display is transparently displayed, and a non-display region adjacent to the display region. The controller controls a luminance through the decorative member of a black display of the liquid crystal display to a luminance invisible to a user, and controls the luminance through the decorative member of a low-gradation region, except for the black display, of the liquid crystal display to a luminance visible to the user.
    Type: Grant
    Filed: July 1, 2022
    Date of Patent: December 12, 2023
    Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Hitoshi Yoshida, Akira Banjouya