Patents Assigned to Shanghai Tianma Micro-Electronics Co., Ltd.
  • Patent number: 12004280
    Abstract: A display device includes a first liquid crystal display, a decorative member, an illuminator, and a controller. The decorative member is disposed on a display surface side of the first liquid crystal display, and includes a first display region in which a display of the first liquid crystal display is transparently displayed and a first non-display region adjacent to the first display region. The illuminator illuminates the first non-display region from the back surface. The controller controls, in accordance with a luminance of a first black display region, of the first display region, that corresponds to a black display portion the first liquid crystal display, an amount of illumination light emitted from the illuminator toward the first non-display region.
    Type: Grant
    Filed: July 1, 2022
    Date of Patent: June 4, 2024
    Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventor: Hitoshi Yoshida
  • Publication number: 20240176203
    Abstract: Provided are a display panel and a display apparatus. In an embodiment, the display panel includes a substrate and a display medium layer over the substrate. In an embodiment, the display medium layer includes: a microstructure; a plurality of charged particles located in the microstructure; a first electrode at least partially located in the microstructure; and a second electrode at least partially located in the microstructure. In an embodiment, the microstructure has a sidewall not parallel to the substrate and a bottom surface. In an embodiment, the first electrode includes a first side portion located on the sidewall and a first extension portion. In an embodiment, the first extension portion is connected to the first side portion and located on part of the bottom surface.
    Type: Application
    Filed: February 5, 2024
    Publication date: May 30, 2024
    Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Feng LU, Jujian FU
  • Publication number: 20240176204
    Abstract: Embodiments of the present disclosure relate to the display field and provide a display apparatus that combines functionality and aesthetics. The display apparatus includes a working area and a non-working area. The non-working area presents a first color or a first pattern. The display apparatus further includes a display module, and the display module includes a transparent display unit located in the working area.
    Type: Application
    Filed: February 5, 2024
    Publication date: May 30, 2024
    Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Hao WU, Qijun YAO
  • Publication number: 20240172545
    Abstract: A display panel includes a display region and a first layer. In an embodiment, the display region includes a first display sub-region, and the first display sub-region includes at least one light transmission region. In an embodiment, the display panel includes a first layer, at least a part of the first layer is located in the light transmission region. In an embodiment, the first layer includes multiple etching patterns, and the etching patterns at least includes first etching patterns and second etching patterns. In an embodiment, the first etching patterns have a different shape and/or size from the second etching patterns.
    Type: Application
    Filed: January 29, 2024
    Publication date: May 23, 2024
    Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Quanpeng YU, Ming YANG
  • Publication number: 20240170589
    Abstract: Provided are a photoelectric sensor and an electronic device. The photoelectric sensor includes a substrate, a plurality of photoelectric sensing elements, and a wall structure between two adjacent photoelectric sensing elements. The wall structure includes a first layer and a second layer stacked with the first layer. The first layer is arranged at a side of the second layer away from the substrate and includes a light-blocking material. At least one of the first layer or the second layer of the wall structure is arranged in a same layer as at least one layer of the photoelectric sensing element.
    Type: Application
    Filed: February 2, 2024
    Publication date: May 23, 2024
    Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Fan XU, Bin ZHOU, Haotian LU, Kaidi ZHANG, Linzhi WANG, Zhen LIU, Baiquan LIN, Kerui XI
  • Publication number: 20240165616
    Abstract: Provided is a microfluidic chip. The microfluidic chip includes a first substrate and a second substrate disposed opposite to each other and drive electrodes, first sensing electrodes and second sensing electrodes disposed on a side of the first substrate. A microfluidic channel is formed between the first substrate and the second substrate and configured to accommodate at least one droplet. Different drive voltage signals are applied to adjacent drive electrodes, so as to drive the at least one droplet to move. Detection signals are applied to the first sensing electrodes and the second sensing electrodes, and a position of the at least one droplet is determined according to a change in capacitance between one first sensing electrode and an electrode corresponding thereto and a change in capacitance between one second sensing electrode and an electrode corresponding thereto when the at least one droplet flows by.
    Type: Application
    Filed: June 30, 2021
    Publication date: May 23, 2024
    Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Baiquan LIN, Kerui XI, Yunfei BAI, Wei LI, Dengming LEI, Zhen LIU, Zhenyu JIA, Junting OUYANG
  • Publication number: 20240165610
    Abstract: Provided is a microfluidic chip. The microfluidic chip includes a first substrate and a second substrate disposed opposite to each other, a microfluidic channel formed between the first substrate and the second substrate and configured to accommodate at least one droplet, drive electrodes arranged in an array and sensing electrodes disposed on a side of the first substrate. Each sensing electrode includes at least one first branch electrode and at least one second branch electrode. The first branch electrode extends along a first direction, and the second branch electrode extends along a second direction. Different drive voltage signals are applied to adjacent drive electrodes to drive the droplet to move. Detection signals are applied to the sensing electrodes, and a position of the droplet is determined according to a change in capacitance between one sensing electrode and an electrode corresponding thereto when the droplet flows by.
    Type: Application
    Filed: July 19, 2021
    Publication date: May 23, 2024
    Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Baiquan LIN, Kerui XI, Ping SU, Linzhi WANG, Yian ZHOU, Feng QIN, Junting OUYANG
  • Patent number: 11982892
    Abstract: A display panel and a display device are provided. The display panel includes a regular display region and an irregular display region. The display panel also includes a first substrate and a second substrate that are disposed opposite to each other, a liquid crystal layer disposed between the first and second substrates, and a heating electrode layer stacked with the liquid crystal layer. In the irregular display region, the heating electrode layer includes a plurality of first heating wires, and each first heating wire is connected between a first electrode wire and a second electrode wire. At least one first heating wire serves as a target heating wire including a first sub-segment and a second sub-segment. The first sub-segment has a resistance per unit length smaller than the second sub-segment, and the first sub-segment is closer to the regular display region than the second sub-segment.
    Type: Grant
    Filed: July 6, 2023
    Date of Patent: May 14, 2024
    Assignee: Shanghai Tianma Micro-electronics Co., Ltd.
    Inventors: Tenggang Lou, Jian Zhao, Qiongqin Mao, Huijun Jin, Ximin Qi
  • Publication number: 20240154075
    Abstract: A display panel, a display apparatus and a method for manufacturing a display panel are provided. The display panel includes: a base substrate; multiple light-emitting devices, where the light-emitting device includes a first semiconductor layer, a second semiconductor layer and a light-emitting layer located between the first and second semiconductor layers, and the second semiconductor layer is located on a side of the light-emitting layer away from the base substrate; a first package structure, located on the side of the base substrate, where the first package structure includes a first package part located between two adjacent light-emitting devices; and a second package structure, where at least part of the second package structure is located on a side of the light-emitting device away from the base substrate, and a resistivity of the first package structure is higher than that of the second package structure.
    Type: Application
    Filed: January 4, 2024
    Publication date: May 9, 2024
    Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Quanpeng YU, Qijun YAO, Yue XIE
  • Publication number: 20240142845
    Abstract: A display panel and a display device are provided. The display panel includes a first substrate, a second substrate arranged opposite to the first substrate, an electrophoresis layer, a liquid-blocking portion and a supporting structure. The electrophoresis layer is arranged between the first substrate and the second substrate and includes multiple electrophoresis particles. The liquid-blocking portion is arranged at an edge of the first substrate and/or the second substrate. The supporting structure is arranged between the first substrate and the second substrate and includes a first supporting portion and a second supporting portion. A height of the first supporting portion is greater than that of the second supporting portion in a direction perpendicular to a plane where the first substrate is located. A minimum distance between the second supporting portion and the liquid-blocking portion is less than that between the first supporting portion and the liquid-blocking portion.
    Type: Application
    Filed: January 9, 2024
    Publication date: May 2, 2024
    Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Kaikai ZHANG, Yongxin HE, Yuan DING, Jujian FU
  • Publication number: 20240144891
    Abstract: Provided are a driver board, a display panel, and a display apparatus. The driver board includes a driver circuit. The driver circuit includes N pixel electrodes, N pixel switches, a data switch, and a storage capacitor, N is a positive integer, and N?2. The storage capacitor includes a reference electrode and a counter electrode. A control terminal of the pixel switch receives a gating signal, a first terminal of the pixel switch is connected to the counter electrode, and a second terminal of the pixel switch is connected to the pixel electrode. The driver board further includes data lines, and each data line is connected to the counter electrode via the data switch.
    Type: Application
    Filed: January 9, 2024
    Publication date: May 2, 2024
    Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Haotian LU, Linzhi WANG, Baiquan LIN, Zhen LIU, Kerui XI, Kaidi ZHANG, Yifan XING, Xin XU, Huijun JIN
  • Publication number: 20240142821
    Abstract: The present disclosure relates a backlight module and a display device to improve surface uniformity of the backlight module. The backlight module includes: a first region and a second region surrounding the first region; a backplate; a light source located at a side of the backplate pointing to a light exiting direction of the backlight module and also located in the first region; and a first structure located at a side of the light source away from the backplate, where the first structure includes scattering dots; where the scattering dots are located in the first region and the second region, and within a unit projected area, an area of orthographic projection of the scattering dots in the first region is smaller than an area of orthographic projection of the scattering dots in the second region, or the scattering dots are located in the second region.
    Type: Application
    Filed: January 10, 2024
    Publication date: May 2, 2024
    Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Chunfeng LIU, Ronghua LI
  • Publication number: 20240147782
    Abstract: A display panel includes a substrate and a first display region. The first display region includes: a light transmission region, a first blocking portion located at a side of the substrate, a second blocking portion located at a side of the first blocking portion away from the substrate, and a first conductive layer located at a side of the second blocking portion away from the first blocking portion. The first conductive layer includes a first hollowed portion and a first non-hollowed portion. The first hollowed portion is located in the light transmission region. Along a first direction, the first blocking portion at least partially overlaps with the second blocking portion, and an overlapping location between the first blocking portion and the second blocking portion at least partially overlaps with the first non-hollowed portion. The first direction is perpendicular to a plane of the substrate.
    Type: Application
    Filed: January 8, 2024
    Publication date: May 2, 2024
    Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventor: Quanpeng YU
  • Publication number: 20240134105
    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. A curvature of a surface of the converging portion adjacent to a light-incoming side of the light guide plate assembly is greater than or equal to 0, and a curvature of a surface of the diverging portion adjacent to the light-incoming side of the light guide plate assembly is smaller than or equal to 0.
    Type: Application
    Filed: December 6, 2023
    Publication date: April 25, 2024
    Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Zhanxiang GUO, Yumin XU, Binbin CHANG, Zhaoxing GAO, Wanzhen WANG, Weiyang SUN, Jianguo BIAN
  • Patent number: 11966514
    Abstract: A tactile presentation device includes a panel, a first supporting member that secures and supports a first end of the panel, a vibration generator disposed at a position facing the first supporting member across a target area to be touched by a user on the panel, and a driving control device that provides the vibration generator with a driving signal. The driving control device makes only the vibration generator vibrate to form a standing wave in an area including the target area between the vibration generator and the first end. A first vibration reflection rate at the first end for a carrier wave from the vibration generator is negative. A second vibration reflection rate for the carrier wave from the vibration generator at a second end of the panel that is opposing to the first end across the vibration generator is greater than the first vibration reflection rate.
    Type: Grant
    Filed: November 21, 2022
    Date of Patent: April 23, 2024
    Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Shin Takeuchi, Hiroshi Haga
  • Patent number: 11961483
    Abstract: A display panel includes at least one pixel circuit and a light emitting element. One pixel circuit includes a driving transistor, and second and third transistors. The second transistor is connected between data line and a source of the driving transistor. The third transistor is connected between voltage adjusting signal line and the source. During a data writing phase, the second transistor is turned on, the data line provides data signal equal to VData to the source, a gate of the driving transistor receives the data signal, and voltage of the gate is VData+Vth. Vth denotes threshold voltage of the driving transistor. During a reset and adjustment phase, the third transistor is turned on, the voltage adjusting signal line provides adjusting voltage to the source, voltage of the source of the driving transistor is VJ, and the voltage of the gate remains VData+Vth. VData+Vth?VJ??2V.
    Type: Grant
    Filed: April 27, 2023
    Date of Patent: April 16, 2024
    Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Nana Xiong, Jujian Fu
  • Patent number: 11963323
    Abstract: Provided are a display device and a method for controlling the same. The display device includes a flexible display screen and a control structure configured to control the flexible display screen to assume a folded state or an unfolded state. The control structure includes a guide rail assembly including guide rails. Two adjacent guide rails of the guide rails are slidably connected to each other, and the flexible display screen is unfolded along a first direction and folded along a second direction. A sliding direction of each of the guide rails is the same as the first direction or the second direction.
    Type: Grant
    Filed: December 9, 2021
    Date of Patent: April 16, 2024
    Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventor: Xiaoyin Zhang
  • Patent number: 11961949
    Abstract: Provided are a light emitting device and manufacturing method thereof, a backlight module, a display panel and a display device. The manufacturing method includes: providing a substrate; forming a circuit layer on a side of the substrate; providing at least one switching element and at least one light emitting element; and electrically connecting the switching element and the light emitting element to the circuit layer. The circuit layer includes a first power signal line, a second power signal line, and a pulse width modulation signal line; the switching element includes a control terminal, a first terminal and a second terminal; the light emitting element is electrically connected between the first terminal and the first power signal line, or the light emitting element is electrically connected between the second terminal and the second power signal line.
    Type: Grant
    Filed: September 3, 2020
    Date of Patent: April 16, 2024
    Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Lihua Wang, Xiaoping Sun, Conghua Ma, Qiang Dong
  • Patent number: 11953784
    Abstract: A light guide plate assembly, a backlight module, and a display device are provided. The light guide plate assembly is configured to guide exiting light emitted from a light-emitting element. The light guide plate assembly includes a reflective part includes an opening, and a transmissive part. At least a part of the transmissive part is located at a side of the reflective part adjacent to a light-exiting side of the light guide plate assembly. The transmissive part includes a first part. Along a direction from a center of the opening to an edge of the opening, light intensity of the exiting light received by the first part is negatively correlated to light transmittance of the first part.
    Type: Grant
    Filed: April 25, 2023
    Date of Patent: April 9, 2024
    Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Zhanxiang Guo, Yumin Xu, Jianguo Bian, Jiantao Ren, Binbin Chang, Zhaoxing Gao, Weiyang Sun, Wanzhen Wang
  • Patent number: 11955058
    Abstract: A display panel, a display device and a method for driving a display panel are provided. The display panel includes N types of display areas which includes an i-th type display area and a j-th type display area. The display panel includes M display parts which include a first display part and a second display part. The first display part includes at least one i-th type display area, and the second display part includes at least one i-th type display area. At least one j-th type display area is arranged between the i-th type display area included in the first display part and the i-th type display area included in the second display part. Light-emitting time periods of the i-th type display area and the j-th type display area at least partially do not overlap, to reduce the number of sub-pixels driven at the same time period.
    Type: Grant
    Filed: March 24, 2022
    Date of Patent: April 9, 2024
    Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Yingteng Zhai, Yuan Ding