Patents by Inventor Tuo Sun

Tuo Sun has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20260164793
    Abstract: An array substrate includes sub-pixel regions, each sub-pixel region is provided with a pixel driving circuit therein; the pixel driving circuit includes first-type transistors and second-type transistors, and the second-type transistors include at least a writing transistor. The array substrate includes a base substrate, a first active film layer disposed on the base substrate, a second active film layer disposed on a side of the first active film away from the base substrate, and a third source-drain metal layer disposed on a side of the second active film layer away from the base substrate. The first active film layer includes active later patterns of the first-type transistors. The second active film layer includes an active layer pattern of the writing transistor; the third source-drain metal layer includes data signal line, and the active layer pattern of the writing transistor is electrically connected to a data signal line.
    Type: Application
    Filed: August 25, 2023
    Publication date: June 11, 2026
    Inventors: Song Cui, Tuo Sun, Huijuan Zhang, Libin Liu
  • Patent number: 12588375
    Abstract: A display device and a method for manufacturing the display device are provided. The display device includes: a driving circuit board provided with a plurality of first connection electrodes on a side thereof; a display module on a side of the driving circuit board, the display module including a flexible substrate, a plurality of signal lines on a side, away from the driving circuit board, of the flexible substrate and a plurality of bottom electrodes on a side, facing the driving circuit board, of the flexible substrate; the flexible substrate being provided with a plurality of first via holes in a display area of the display module, the signal lines are electrically connected with the bottom electrodes through the first via holes, and the bottom electrodes are electrically connected with the first connection electrodes.
    Type: Grant
    Filed: June 8, 2021
    Date of Patent: March 24, 2026
    Assignees: Beijing BOE Technology Development Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tuo Sun, Kui Liang, Shuo Zhang
  • Publication number: 20260047204
    Abstract: An array substrate includes a plurality of pixel driving circuits. A respective pixel driving circuit includes a driving transistor, a data write transistor, a first capacitor including a first capacitor electrode and a second capacitor electrode, and a second capacitor including a third capacitor electrode and a fourth capacitor electrode. The second capacitor electrode and the third capacitor electrode are coupled to a second electrode of the data write transistor. The array substrate includes a stacked structure of capacitor electrodes. The stacked structure includes the first capacitor electrode; an insulating layer on the first capacitor electrode; an electrode block including the second capacitor electrode and the third capacitor electrode on a side of the insulating layer away from the first capacitor electrode; an inter-layer dielectric layer on a side of the electrode block away from the insulating layer; and the fourth capacitor electrode on the inter-layer dielectric layer.
    Type: Application
    Filed: April 28, 2023
    Publication date: February 12, 2026
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Jianchao Zhu, Tuo Sun, Shiming Shi, Libin Liu, Hao Liu
  • Publication number: 20260038433
    Abstract: A drive circuit, a display substrate and a display device. The drive circuit includes a driving signal generating circuit, a control signal generating circuit and a control circuit. The driving signal generating circuit is used to generate an n-th stage driving signal, n is a positive integer; the control signal generating circuit is used to generate a control signal according to an enable signal; the control circuit is used to output the n-th stage driving signal or invalid voltage signal to the n-th stage driving output terminal under control of the control signal. According to the present disclosure, the n-th stage driving signal or the invalid voltage signal can be accurately output to the n-th stage driving output terminal, thereby accurately performing local refresh.
    Type: Application
    Filed: April 18, 2024
    Publication date: February 5, 2026
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiyu ZHAO, Tuo SUN, Li WANG, Xuliang ZHAO
  • Patent number: 12532749
    Abstract: The present disclosure provides a method for forming a via hole in a flexible substrate, including: providing a base substrate and forming a de-bonding layer on the base substrate; forming a seed metal layer on the de-bonding layer, and patterning the seed metal layer to form a first conductive pattern; forming a first flexible substrate on the seed metal layer; forming a first mask layer on the first flexible substrate; and forming a first via hole in the flexible substrate though a dry etching process, the first via hole penetrating the first flexible substrate to expose a connection region of the first conductive pattern. The present disclosure further provides a method for filling a via hole in a flexible substrate.
    Type: Grant
    Filed: November 26, 2021
    Date of Patent: January 20, 2026
    Assignees: Beijing BOE Technology Development Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shuo Zhang, Kui Liang, Tuo Sun, Chao Zhou
  • Publication number: 20260018133
    Abstract: A shift register unit, a gate drive circuit, a display panel, and a driving method. An example shift register unit includes: a first shift register, which is configured to output a cascade signal by a cascade output end; a sampling circuit, which is coupled to a first node and is configured to provide a signal at an enabling end to the first node in response to a signal at a sampling control end; and a control circuit, which is coupled to the cascade output end and the first node, and is configured to output, in response to a signal of the first node, a gate scanning signal having the same time sequence as the cascade signal by a driving output end, or to output a gate cut-off signal by the driving output end.
    Type: Application
    Filed: April 16, 2024
    Publication date: January 15, 2026
    Inventors: Tuo SUN, Li WANG, Xiyu ZHAO, Libin LIU
  • Patent number: 12499834
    Abstract: The display panel and a light emitting base plate are provided. The display panel includes a pixel circuit disposed on a base plate, wherein the pixel circuit includes a first driving circuit, a first light emitting device, a second light emitting device and a second driving circuit that are sequentially connected in series; the first driving circuit includes a first driving transistor, a source electrode of the first driving transistor is connected to a first power-supply terminal, and a drain electrode of the first driving transistor is connected to a first electrode of the first light emitting device; the second driving circuit includes a second driving transistor, a source electrode of the second driving transistor is connected to a second power-supply terminal, and a drain electrode of the second driving transistor is connected to a first electrode of the second light emitting device.
    Type: Grant
    Filed: August 23, 2024
    Date of Patent: December 16, 2025
    Assignees: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tuo Sun, Ying Zhou, Yichi Zhang
  • Patent number: 12471372
    Abstract: A back plate includes a base substrate, gate lines, data lines and power supply lines arranged on the base substrate crossing each other in rows and columns, and pixel structures arranged in an array on the base substrate, each pixel structure includes a driving transistor, a switching transistor connected thereto, and a pixel electrode connected thereto; a gate line and a data line are connected to the switching transistor, and a power supply line is connected to the driving transistor; in a same row or column of pixel structures, a power supply line is arranged between an (2n?1)th pixel structure and an 2n-th pixel structure, and the power supply line is connected to a source electrode of a driving transistor in the (2n?1)th pixel structure and a source electrode of a driving transistor in the 2n-th pixel structure; n is a positive integer greater than or equal to 1.
    Type: Grant
    Filed: March 15, 2021
    Date of Patent: November 11, 2025
    Assignee: Beijing BOE Technology Development Co., Ltd.
    Inventors: Yitong Guo, Jian Zhou, Tuo Sun, Xiaochun Xu
  • Patent number: 12444357
    Abstract: A pixel structure, a display panel and a display device are provided. The pixel structure includes: pixel circuits arranged in rows and columns, the pixel circuits including a first type and a second type of pixel circuits; a data line electrically connected to the pixel circuits, and used for providing a data voltage to the pixel circuit; the pixel circuits in two adjacent rows electrically connected to at least one data line are the first and second types of pixel circuits; light-emitting elements, including a first and a second light-emitting elements electrically connected to the first type and the second type of pixel circuits respectively; a display brightness of the first light-emitting element increases as the data voltage provided to the first type of pixel circuit increases; a display brightness of the second light-emitting element decreases as data voltage provided to the second type of pixel circuit increases.
    Type: Grant
    Filed: April 25, 2023
    Date of Patent: October 14, 2025
    Assignee: Beijing BOE Technology Development Co., Ltd.
    Inventors: Tuo Sun, Lujiang Huangfu, Xuliang Zhao
  • Patent number: 12430786
    Abstract: A linewidth measurement method includes: obtaining a target image of the line, the line including a first line segment; performing region connecting on an edge image or binary image of the target image to obtain a region connected image, the region connected image including a target connected region corresponding to a pattern of the line, and a pixel value of each pixel in the target connected region being different from that of each pixel outside the target connected region; determining a first edge point and a second edge point of the first line segment based on the region connected image; and determining a width of the first line segment according to the first edge point and the second edge point, and determining the width of the line according to the width of the first line segment.
    Type: Grant
    Filed: October 29, 2021
    Date of Patent: September 30, 2025
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Sifan Wang, Yulan Hu, Yanzhao Li, Chao Zhou, Tuo Sun, Longfei Li, Shuo Zhang, Zhenzhong Zhang, Cuifang Zhang
  • Patent number: 12417738
    Abstract: A pixel circuit, a pixel driving method, and a display device.
    Type: Grant
    Filed: February 23, 2023
    Date of Patent: September 16, 2025
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lujiang Huangfu, Tuo Sun, Jianchao Zhu, Li Wang, Yu Feng
  • Patent number: 12360261
    Abstract: A photoelectric detection circuit and a driving method therefor, and a detection substrate and a ray detector. The photoelectric detection circuit includes a storage circuit (101), an amplification circuit (102), a first reading circuit (103) and a second reading circuit (104), where the storage circuit (101), the amplification circuit (102) and the first reading circuit (103) cooperate with one another to realize a photoelectric detection function in an active mode; and the storage circuit (101) and the second reading circuit (104) cooperate with each other to realize a photoelectric detection function in a passive mode.
    Type: Grant
    Filed: May 25, 2021
    Date of Patent: July 15, 2025
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Jiangbo Chen, Fanli Meng, Tuo Sun, Zeyuan Li, Liye Duan
  • Patent number: 12327523
    Abstract: Provided is a pixel circuit. In the pixel circuit, a data writing circuit controls the connection or disconnection between a data terminal and a first node, a reset circuit controls the connection or disconnection between an initial power supply terminal and a second node and between an initial power supply terminal and a light-emitting element, and controls the connection or disconnection between a reference power supply terminal and the first node, a potential adjustment circuit adjusts the potentials of the first node, the second node and the third node, a light emission control circuit controls the connection or disconnection between the reference power supply terminal and the first node, and controls the connection or disconnection between the fourth node and the light-emitting element, and a drive circuit drives the light-emitting element to emit light.
    Type: Grant
    Filed: April 18, 2023
    Date of Patent: June 10, 2025
    Assignees: Beijing BOE Technology Development Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Tuo Sun, Xuliang Zhao, Libin Liu
  • Patent number: 12320832
    Abstract: A signal receiving device includes a first receiving circuit, a second receiving circuit, a third receiving circuit and a light-emitting device. The first receiving circuit is configured to receive a first electromagnetic wave and obtain a first signal from the first electromagnetic wave. The second receiving circuit is coupled to the first receiving circuit, and is configured to amplify an amplitude of the first signal output from the first receiving circuit to obtain a second signal. The third receiving circuit is configured to receive a third signal and output a fourth signal. The light-emitting device is coupled between the second receiving circuit and the third receiving circuit, and is configured to be in an off state when the second signal is the same as the fourth signal and in a light-emitting state when the second signal is different from the fourth signal.
    Type: Grant
    Filed: May 31, 2022
    Date of Patent: June 3, 2025
    Assignees: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tuo Sun, Yanli Wang, Xiyu Zhao, Mengyang Wen
  • Publication number: 20250124862
    Abstract: Provided is a pixel circuit. In the pixel circuit, a data writing circuit controls the connection or disconnection between a data terminal and a first node, a reset circuit controls the connection or disconnection between an initial power supply terminal and a second node and between an initial power supply terminal and a light-emitting element, and controls the connection or disconnection between a reference power supply terminal and the first node, a potential adjustment circuit adjusts the potentials of the first node, the second node and the third node, a light emission control circuit controls the connection or disconnection between the reference power supply terminal and the first node, and controls the connection or disconnection between the fourth node and the light-emitting element, and a drive circuit drives the light-emitting element to emit light.
    Type: Application
    Filed: April 18, 2023
    Publication date: April 17, 2025
    Inventors: Tuo SUN, Xuliang ZHAO, Libin LIU
  • Patent number: 12265293
    Abstract: A display panel and a preparation method therefor, and a display device are provided. The display panel includes first and second substrates oppositely provided, and a polymer-stabilized liquid crystal layer; multiple sub-pixels include at least one first sub-pixel emitting light from a side of the second substrate away from the first substrate and at least one second sub-pixel emitting light from a side of the first substrate away from the second substrate; the first substrate in a first sub-pixel has a first shielding pattern, and an orthographic projection of the pixel electrode therein on a display panel plane is within that of the first shielding pattern on the first substrate; the second substrate in a second sub-pixel has a second shielding pattern, and an orthographic projection of the pixel electrode therein on the display panel plane is within that of the second shielding pattern on the second substrate.
    Type: Grant
    Filed: June 15, 2021
    Date of Patent: April 1, 2025
    Assignees: Beijing BOE Technology Development Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Long Wang, Yidan Peng, Tuo Sun, Kui Liang, Liye Duan, Guangkui Qin
  • Publication number: 20250104625
    Abstract: A pixel structure, a display panel and a display device are provided. The pixel structure includes: pixel circuits arranged in rows and columns, the pixel circuits including a first type and a second type of pixel circuits; a data line electrically connected to the pixel circuits, and used for providing a data voltage to the pixel circuit; the pixel circuits in two adjacent rows electrically connected to at least one data line are the first and second types of pixel circuits; light-emitting elements, including a first and a second light-emitting elements electrically connected to the first type and the second type of pixel circuits respectively; a display brightness of the first light-emitting element increases as the data voltage provided to the first type of pixel circuit increases; a display brightness of the second light-emitting element decreases as data voltage provided to the second type of pixel circuit increases.
    Type: Application
    Filed: April 25, 2023
    Publication date: March 27, 2025
    Applicants: Beijing BOE Technology Development Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tuo SUN, Lujiang HUANGFU, Xuliang ZHAO
  • Patent number: 12255395
    Abstract: An antenna, a display substrate and a display device are provided in the present disclosure, wherein the antenna includes a first conductive layer (11), a dielectric layer (12) and a second conductive layer (13) which are stacked; the first conductive layer (11) is provided with at least one slot (111); the second conductive layer (13) includes at least one conductive structure (130), the conductive structure (130) is a comb structure, the conductive structure (130) includes a first conductive element (131) and a plurality of second conductive elements (132), the first conductive element (131) constitutes a comb back of the comb structure, and the plurality of second conductive elements (132) constitute comb teeth of the comb structure; at least one conductive structure (130) is disposed corresponding to at least one slot (111).
    Type: Grant
    Filed: January 29, 2022
    Date of Patent: March 18, 2025
    Assignees: Beijing BOE Technology Development Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Feng Wang, Tuo Sun, Yanzhao Li, Feng Qu
  • Publication number: 20250087150
    Abstract: A pixel circuit, a pixel driving method, and a display device.
    Type: Application
    Filed: February 23, 2023
    Publication date: March 13, 2025
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lujiang HUANGFU, Tuo SUN, Jianchao ZHU, Li WANG, Yu FENG
  • Patent number: 12236864
    Abstract: There is provided a display substrate including a base and a pixel circuit layer on the base, the pixel circuit layer includes pixel driving circuits arranged in an array along a first direction and a second direction. The base has recesses, each of which extends in the first direction and has a bottom surface and a side surface, a surface of the base includes the bottom surface and the side surface of each recesses, and a top surface between adjacent recesses, the bottom surface of each recess is substantially parallel to the top surface between adjacent recesses, the side surface of each recesses is at a first angle to the bottom surface of the recess and the top surface between adjacent recesses, and a portion of each pixel driving circuits is formed on the side surface of one recess. A method for preparing a display substrate is further provided.
    Type: Grant
    Filed: April 2, 2021
    Date of Patent: February 25, 2025
    Assignees: Beijing BOE Technology Development Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Tuo Sun