Patents Examined by Nelson Lam
  • Patent number: 12373154
    Abstract: Provided is a spliced display screen. The spliced display screen includes a plurality of display screen modules, a plurality of control modules, and a communication bus; an image processing algorithm is configured in each control module; the each of the plurality of control modules is configured to receive video information and send an edge signal supplement request to other control modules; determine whether the communication bus is occupied by the each of the plurality of control modules; determine the each of the plurality of control modules as a master control module and other control modules as slave control modules; read at least part of edge information via the communication bus; and perform imaging processing on the received video information and multiple pieces of the at least part of edge information to generate image sub-information; and the plurality of display screen modules are configured to display received image sub-information.
    Type: Grant
    Filed: July 31, 2023
    Date of Patent: July 29, 2025
    Assignee: BOE Technology Group Co., Ltd.
    Inventor: Ran Duan
  • Patent number: 12367848
    Abstract: The present application relates to a display panel and a display device, wherein a crosstalk suppression circuit in the display panel includes a crosstalk suppression main module between a differential amplification signal terminal and an output voltage terminal of a display power supply circuit. The crosstalk suppression main module includes a threshold determining module and a crosstalk suppression module. The threshold determining module is configured to control that the crosstalk suppression module performs suppression of crosstalk of the differential amplification signal terminal and the output voltage terminal according to a crosstalk critical voltage and a differential amplification signal of the display power supply circuit.
    Type: Grant
    Filed: March 14, 2022
    Date of Patent: July 22, 2025
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Fangyun Liu
  • Patent number: 12367849
    Abstract: A driving circuit for a display panel, a display device, and a driving method are provided. The driving circuit includes a common voltage feedback line and N common voltage detection units. The N common voltage detection units are electrically connected to N common voltage collection points of a common electrode of the display panel in one-to-one correspondence. Each common voltage detection unit includes a switch module and a logic circuit. The switch module has a first connection end electrically connected to a common voltage collection point corresponding to the common voltage detection unit and a second connection end is electrically connected to the common voltage feedback line. N logic circuits sequentially output control signals to corresponding switch modules, and control N switch modules to sequentially turn on, to make the N common voltage collection points sequentially output N common voltages through the turned-on switch modules and common voltage feedback line.
    Type: Grant
    Filed: April 24, 2024
    Date of Patent: July 22, 2025
    Assignee: HKC CORPORATION LIMITED
    Inventors: Yuanping Zhang, Mancheng Zhou, Haijiang Yuan
  • Patent number: 12354563
    Abstract: Display module includes a display panel, the display panel including at least one light-transmitting display area; at least one camera module, the at least one camera module being located on a side away from a light-emitting surface of the display panel, the camera module being arranged to correspond to the at least one light-transmitting display area; at least one of the at least one camera module including a photosensitive element and a light filtering structure, the light filtering structure being located on a side of the photosensitive element facing the display panel, the light filtering structure including at least one color resist, along a direction perpendicular to a plane where the camera module is located, the color resist at least partially overlapping with the photosensitive element, the light filtering structure including a monochrome filter structure, the at least one camera module including the monochrome filter structure.
    Type: Grant
    Filed: March 16, 2023
    Date of Patent: July 8, 2025
    Assignee: Hubei Yangtze Industrial Innovation Center of Advanced Display Co., LTD.
    Inventors: Wanlong Guo, Qijun Yao, Feng Lu
  • Patent number: 12324342
    Abstract: A display device includes a display panel. A fingerprint sensor package at least partially overlaps the display panel. A printed circuit board (PCB) at least partially overlaps the display panel and includes a touch sensor integrated circuit (IC). The fingerprint sensor package includes a first base having a plurality of conductive patterns, an image sensor disposed on a first surface of the first base, and a first conductive layer disposed on a second surface of the first base, at least partially overlapping with the image sensor, and electrically connected to the plurality of conductive patterns of the first base via a via electrode.
    Type: Grant
    Filed: October 31, 2022
    Date of Patent: June 3, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hee Kwon Lee, Sung Un Park
  • Patent number: 12314516
    Abstract: A pen state detection circuit that is connected to a touch sensor of a capacitance type and adapted to detect a state of an electronic pen in accordance with an output signal from the touch sensor. The touch sensor includes sensor electrodes disposed in a planar manner, and the electronic pen includes a first electrode and a second electrode. The pen state detection circuit includes a processor configured to sequentially and repeatedly: acquire first and second coordinate values in a sensor coordinate system, the coordinate system being defined on a detection surface of the touch sensor, the first coordinate values indicating a projected position of the first electrode, the second coordinate values indicating a projected position of the second electrode; calculate an inclination value indicative of an inclination of the electronic pen from the acquired first and second coordinate values in accordance with calculation rules; and output the inclination value.
    Type: Grant
    Filed: October 6, 2023
    Date of Patent: May 27, 2025
    Assignee: Wacom Co., Ltd.
    Inventor: Yoshio Nomura
  • Patent number: 12300187
    Abstract: A backlight brightness adjustment method, device, and system, and a storage medium. The adjustment method comprises: calculating a light mixing distance of a backlight module and a horizontal spacing and a vertical spacing between a plurality of lamp panels; calculating a first brightness value according to the horizontal spacing and the light mixing distance, and calculating a second brightness value according to the vertical spacing and the light mixing distance; and adjusting the brightness at splicing positions of the plurality of lamp panels according to the first brightness value and/or the second brightness value.
    Type: Grant
    Filed: January 10, 2023
    Date of Patent: May 13, 2025
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Enhui Guan, Xianzhen Li, Tianyue Zhao, Xinxin Mu, Youxiang Xia
  • Patent number: 12293733
    Abstract: A drive method for a display panel (100) includes: obtaining display data corresponding to a current display frame, and a current refresh rate (S10); determining a target rate level corresponding to the current refresh rate according to the current refresh rate and prestored rate levels corresponding one-to-one to different refresh rate intervals (S20); and controlling sub-pixels in the display panel (100) to be charged with a data voltage according to the target rate level and the display data (S30).
    Type: Grant
    Filed: May 25, 2022
    Date of Patent: May 6, 2025
    Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Huiming Wang, Liugang Zhou, Chunyang Nie, Wenlong Feng, Yue Yang, Jianwei Sun, Heng Zhang
  • Patent number: 12274130
    Abstract: A light emitting display device includes: a first display area including a first light-emitting element and a first pixel circuit unit; and a second display area including a second light-emitting element disposed to overlap a driving unit and a second pixel circuit unit which drives the second light-emitting element, where the first pixel circuit unit further include a first boost capacitor.
    Type: Grant
    Filed: July 31, 2023
    Date of Patent: April 8, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hee Rim Song, Byung Chang Yu, Gyung Soon Park
  • Patent number: 12260062
    Abstract: Disclosed is a display apparatus and a method for digital manipulation of a virtual user interface in virtual environments. The display apparatus includes a light source, tracking means, and a processor configured to control the light source to project the virtual user interface, and process tracking data from the tracking means to detect the proximity of an interaction element, such as a user's hand, to an invisible segment of a virtual widget within the virtual user interface. Upon proximity detection, the light source is activated to display the virtual widget. The processor then determines if the segment has been activated and subsequently processes any positional changes of the interaction element to adjust the virtual user interface accordingly. This adjustment is performed in accordance with predefined visual effects that correspond to the activated segment, enabling intuitive and dynamic user interaction.
    Type: Grant
    Filed: November 22, 2023
    Date of Patent: March 25, 2025
    Assignee: Varjo Technologies Oy
    Inventors: Ábel Csendes, Harri Wikberg
  • Patent number: 12262590
    Abstract: A display apparatus includes: a substrate including a main display area, a component area including a transmission area, and a peripheral area at an outer side of the main display area; a main pixel circuit at the main display area; an auxiliary pixel circuit at the component area, and including a first wire; and a bottom metal layer between the substrate corresponding to the component area and the auxiliary pixel circuit, and electrically connected to the first wire.
    Type: Grant
    Filed: April 7, 2021
    Date of Patent: March 25, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyeongseok Kim, Youngwan Seo, Gyungsoon Park
  • Patent number: 12253883
    Abstract: A digitizer includes a first sensing coil disposed in an active region, a first dummy line disposed in the same layer as the first sensing coil, a second sensing coil disposed below the first sensing coil in the active region, a second dummy line disposed in the same layer as the second sensing coil, a bridge line disposed below the second sensing coil, and a third dummy line disposed in the same layer as the bridge line. At least two dummy lines among the first, second, and third dummy lines extend in the same direction.
    Type: Grant
    Filed: September 18, 2023
    Date of Patent: March 18, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yong-Kwan Kim, Hirotsugu Kishimoto, Hyunjae Na, Seokwon Jang, Chul Ho Jeong
  • Patent number: 12254231
    Abstract: Disclosed herein is a display apparatus configured to rotate around a fixed axis. The display apparatus includes: a display configured to rotate around the fixed axis and display an image; and a controller configured to process an original image and control the display to display the original image, wherein the original image is stored in a memory or received through wired or wireless communication. The controller is configured to: obtain an output image by processing a central area including an object in the original image to be suitable for a rotation state of the display and a resolution of the display; and control the display to display the obtained output image.
    Type: Grant
    Filed: September 19, 2023
    Date of Patent: March 18, 2025
    Assignee: LG ELECTRONICS INC.
    Inventors: Woojin Choi, Subin Kang, Taejin Park
  • Patent number: 12236836
    Abstract: A display device includes: a pixel unit including a plurality of pixels connected to a plurality of scan lines and a plurality of data lines; a multi-frequency driver configured to compare image data between adjacent frames to determine a first area of the pixel unit driven at a first refresh rate and a second area of the pixel unit driven at a second refresh rate lower than the first refresh rate; a scan driver configured to sequentially supply scan signals to the scan lines in a first direction, to supply first scan signals of the scan signals to the first area at the first refresh rate, and to supply second scan signals of the scan signals to the second area at the second refresh rate; and a data driver configured to supply a data signal corresponding to the image data to the data lines.
    Type: Grant
    Filed: April 21, 2020
    Date of Patent: February 25, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hae Kwan Seo, Jun Heyung Jung
  • Patent number: 12236052
    Abstract: A position indicator that electrostatically interacts with a sensor includes: a casing having a pen shape; a conductive core body including a pen tip that protrudes from an opening on one end in the axial direction of the casing; a conductor surrounding the core body; a signal transmitting circuit which, in operation, generates a signal that electrostatically interacts with the sensor, and supplies the generated signal to the core body; and a control circuit which, in operation, produces different electrostatic interactions with the sensor by performing a first control operation that sets the conductor in a state of being grounded while the signal is sent out from the pen tip of the core body to the sensor, and performing a second control operation that sets the conductor in a state different from the state of being grounded.
    Type: Grant
    Filed: May 2, 2023
    Date of Patent: February 25, 2025
    Assignee: Wacom Co., Ltd.
    Inventor: Sadao Yamamoto
  • Patent number: 12217654
    Abstract: An electroluminescence display apparatus includes a first pixel, a second pixel disposed adjacent to the first pixel in a horizontal direction to share a data line to which a first data voltage and a second data voltage are time-divisionally supplied and a reference voltage line to which a reference voltage is supplied, along with the first pixel, a first gate line coupled to the first pixel to transfer a first gate control signal, corresponding to the reference voltage, to the first pixel, a second gate line coupled to the first and second pixels in common to transfer a second gate control signal, corresponding to the first data voltage and the reference voltage in common, to the first and second pixels, and a third gate line coupled to the second pixel to transfer a third gate control signal, corresponding to the second data voltage, to the second pixel.
    Type: Grant
    Filed: July 29, 2021
    Date of Patent: February 4, 2025
    Assignee: LG Display Co., Ltd.
    Inventors: In Su Hwang, Dong Ik Kim
  • Patent number: 12211422
    Abstract: A display device includes: a display layer and a sensor layer, which senses an external input. The display layer includes: a plurality of pixels and a plurality of sensors, each of which includes a sensing element and a sensor driving circuit connected to the sensing element. The sensor driving circuit includes: a reset transistor, an output transistor, and a switch transistor including a first electrode connected to the sub-readout line, a second electrode connected to a readout line, and a third electrode for receiving a switch signal generated based on the external input.
    Type: Grant
    Filed: October 1, 2023
    Date of Patent: January 28, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seungchan Lee, Raeyoung Gwak, Sanghyun Jun
  • Patent number: 12198653
    Abstract: A display device according to one embodiment includes a data drive unit that converts image data into a data signal and outputs the data signal, a multiplexer unit that time-divides the data signal output from the data drive unit and outputs the time-divided data signals, and a gate drive unit that outputs a gate signal synchronized with the data signal to a first gate line, a second gate line, a third gate line, and a fourth gate line, wherein the multiplexer unit includes a first multiplexer and a second multiplexer, when the gate signal is sequentially input to the first gate line and the second gate line, the first multiplexer and the second multiplexer are sequentially turned on, and when the gate signal is sequentially input to the third gate line and the fourth gate line, the second multiplexer and the first multiplexer are sequentially turned on.
    Type: Grant
    Filed: December 8, 2021
    Date of Patent: January 14, 2025
    Assignee: LX SEMICON CO., LTD.
    Inventor: Hun Yong Lim
  • Patent number: 12190841
    Abstract: A pixel structure and a display panel are provided. The pixel structure includes a first pixel electrode, a first longitudinal signal line, and a second longitudinal signal line. The first pixel electrode includes a first main pixel area and a first sub-pixel area. The first longitudinal signal line includes a first main line and a first secondary-line. The second longitudinal signal line includes a second main line and a second secondary-line. The first main line and the second main line are arranged in the first main pixel area, and the first secondary-line and the second secondary-line are arranged in the first sub-pixel area.
    Type: Grant
    Filed: February 24, 2022
    Date of Patent: January 7, 2025
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Ruifa Tan, Tianhong Wang, Xiaohui Yao
  • Patent number: 12183231
    Abstract: A display driving circuit adapted to drive a display panel to display an image is provided. The display driving circuit includes a source driver circuit and a timing controller circuit. The source driver circuit is configured to sense whether noise occurs and output a lock signal. The lock signal indicates whether the noise occurs. The timing controller circuit is coupled to the source driver circuit, and configured to output image data to the source driver circuit and receive the lock signal from the source driver circuit. The timing controller circuit adjusts a data depth of the image data or a frame rate of the display panel when the lock signal indicates the noise occurs.
    Type: Grant
    Filed: October 2, 2023
    Date of Patent: December 31, 2024
    Assignee: Novatek Microelectronics Corp.
    Inventors: Hsi-Mao Yu, Te-Hsien Kuo