Patents Examined by Liliana Cerullo
  • Patent number: 12045458
    Abstract: An electronic device includes a touch screen and a processor configured to: based on a touch input of a user being acquired through the touch screen, acquire an image corresponding to the acquired touch input of the user; identify a type of the acquired touch input of the user by inputting, to a neural network model for identifying the type of the touch input of the user, the acquired image, a first image corresponding to a first type touch input obtained by touching the touch screen with a pressure smaller than a preconfigured pressure, and a second image corresponding to a second type touch input obtained by touching the touch screen with a pressure greater than the preconfigured pressure; and perform a function based on the identified type of the touch input.
    Type: Grant
    Filed: February 21, 2023
    Date of Patent: July 23, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dongchan Kim, Jinyoung Hwang
  • Patent number: 12032797
    Abstract: An input sensing device includes an input sensing panel including driving electrodes and sensing electrodes, a driving signal generator that provides driving signals to the driving electrodes, respectively, and a sensing unit that receives sensing signals according to the driving signals from the sensing electrodes, and determines whether a touch is performed based on the sensing signals. Each of the driving signals includes a sinusoidal wave, and frequencies of at least some of the driving signals are different from each other.
    Type: Grant
    Filed: December 23, 2022
    Date of Patent: July 9, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Choon Hyop Lee, Jang Hui Kim, Jae Won Kim, In Nam Lee
  • Patent number: 12032781
    Abstract: The disclosure provides a touch device and an operation method thereof. A touch panel of the touch device is divided into a plurality of stylus connection areas. During a first discovery period, the stylus connection areas detect a stylus one by one in a first scan order. When the stylus is located in one of the stylus connection areas (a hit area), the first discovery period is ended to enter a normal period, and the hit area establishes a connection to the stylus. When the connection between the stylus and the touch panel is interrupted, the normal period is ended to enter a second discovery period, and the first scan order is adjusted to a second scan order according to the hit area in the normal period. During the second discovery period, the stylus connection areas detect the stylus one by one in the second scan order.
    Type: Grant
    Filed: March 14, 2023
    Date of Patent: July 9, 2024
    Assignee: Novatek Microelectronics Corp.
    Inventors: Yen-Cheng Cheng, Ko Ho Lin, Shih-Chan Huang
  • Patent number: 12026335
    Abstract: A touch display panel is provided, which includes a touch structure layer. The touch structure layer includes touch signal lines and touch electrodes. The touch electrodes include electrode lines. Each of the touch signal lines includes signal main lines and redundant signal lines disposed on one side of one row of first sub-pixels. Any one of the signal main lines and signal main lines adjacent to one side of the one of the signal main lines are spaced apart by at least two rows of the first sub-pixels, and the one of the signal main lines and signal main lines adjacent to another side of the one of the signal main lines are spaced apart by at least one row of the first sub-pixels.
    Type: Grant
    Filed: May 31, 2021
    Date of Patent: July 2, 2024
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Liang Fang
  • Patent number: 12026345
    Abstract: A touch panel, sequentially comprising: a conductive layer, a dielectric layer; and at least one layer of touch electrodes, which comprises multiple first electrodes in parallel to a first axis and multiple second electrodes in parallel to a second axis, wherein the first and the second electrodes connects to a touch sensitive processing apparatus, respectively, wherein the touch sensitive processing apparatus detects an external object approaching or touching the touch panel via the first and the second electrodes, wherein the conductive layer is closer to the external object than the at least one layer of touch electrodes.
    Type: Grant
    Filed: April 25, 2023
    Date of Patent: July 2, 2024
    Assignee: EGALAX_EMPIA TECHNOLOGY INC.
    Inventors: Chin-Fu Chang, Shang-Tai Yeh
  • Patent number: 12019819
    Abstract: A display device includes a display panel including a front portion, a first side portion which extends from a first side of the front portion, a second side portion which extends from a second side of the front portion, and corner portion disposed between the first side portion and the second side portion. The display panel includes a first display area disposed in the front portion and including a plurality of first emission areas and a plurality of sensor electrodes, and a second display area disposed in the corner portion and including a plurality of second emission areas and a plurality of first sensor lines electrically connected to at least some of the sensor electrodes.
    Type: Grant
    Filed: March 6, 2023
    Date of Patent: June 25, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hye Jin Joo, Byeong Hee Won
  • Patent number: 12008194
    Abstract: Touch display device includes a first touch electrode, a second touch electrode, and a first touch signal line. First touch electrode is located in a first area of touch display device and is configured to receive a first control signal to generate a first touch signal. Second touch electrode is located in a second area of touch display device and is configured to receive a second control signal to generate a second touch signal. First area is adjacent to second area without overlapping. First touch signal line is coupled to first touch electrode and second touch electrode. First touch signal line is configured to transmit first touch signal of first area at a first stage. First touch signal line is configured to transmit a common electrode signal at a second stage. First touch signal line is configured to transmit second touch signal of second area at a third stage.
    Type: Grant
    Filed: November 29, 2022
    Date of Patent: June 11, 2024
    Assignee: AUO CORPORATION
    Inventors: Che-Min Lin, Chun-Ru Huang, Chu-Kuan Yu, Fang-Ming Tsao, Kai-Teng Chiang
  • Patent number: 12008200
    Abstract: A method for operating a touch sensing panel includes a touchscreen controller determining a first plurality of excitation signals in accordance with a first plurality of codes, wherein a sum of the first plurality of codes is a sequence of numbers having a same absolute value and signs alternating between adjacent numbers in the sequence of numbers. The method further includes the touchscreen controller transmitting each of the first plurality of excitation signals to a respective transmitting (TX) touch sensor of the touch sensing panel simultaneously during a first time frame. The method further includes the touchscreen controller determining touch strengths in accordance with a first plurality of output signals received by a plurality of receiving (RX) touch sensors of the touch sensing panel during the first time frame.
    Type: Grant
    Filed: February 14, 2023
    Date of Patent: June 11, 2024
    Assignee: STMicroelectronics International N.V.
    Inventor: Kien Beng Tan
  • Patent number: 12008196
    Abstract: An input detection system includes a display device with a detection function including a plurality of pixels, a plurality of drive electrodes, and a plurality of detection electrodes arrayed in a display region, an input device including an LC circuit, a first electrode coupled to one end side of the LC circuit, and a second electrode coupled to the other end side of the LC circuit, and a drive electrode scan circuit configured to supply a drive signal to the drive electrodes.
    Type: Grant
    Filed: June 13, 2022
    Date of Patent: June 11, 2024
    Assignee: Japan Display Inc.
    Inventors: Makoto Hayashi, Yuto Kakinoki, Takaaki Kono
  • Patent number: 11995269
    Abstract: A touch sensing method, apparatus for a touch panel, and electronic device are provided. The method includes: determining a first number of to-sense touch sensing circuits, and determining a second number of reference touch sensing circuits, each to-sense touch sensing circuit having a corresponding reference touch sensing circuit; causing each to-sense touch sensing circuit to receive a touch excitation signal TX1, and apply TX1 to a corresponding touch sensitive cell and receive a touch sensing signal therefrom, and output a first output signal; causing each reference touch sensing circuit to receive a touch reference signal DC/TX2, and apply DC/TX2 to a corresponding touch sensitive cell and receive a reference sensing signal therefrom, wherein DC/TX2 and TX1 are different signals; and obtaining, according to respective first and second output signals, a capacitance difference of capacitances sensed by each to-sense touch sensing circuit and its corresponding reference touch sensing circuit.
    Type: Grant
    Filed: March 20, 2023
    Date of Patent: May 28, 2024
    Assignee: NOVATEK MICROELECTRONICS CORP.
    Inventors: Hung-Kai Chen, Yu-Huang Chen, Feng-Lin Chan
  • Patent number: 11996041
    Abstract: A pixel includes a plurality of transistors and an organic light emitting diode, in which the transistors include a first transistor to control an amount of current flowing to the organic light emitting diode and additional transistors are connected to the first transistor or the organic light emitting diode, the first transistor is a Low Temperature Poly-Silicon (LTPS) thin film transistor, and one or more of the other transistors are oxide semiconductor transistors.
    Type: Grant
    Filed: August 30, 2021
    Date of Patent: May 28, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ji Hyun Ka, Won Kyu Kwak, Han Sung Bae
  • Patent number: 11989352
    Abstract: An interaction method for a display device includes: receiving a laser signal emitted by an emission device, wherein the laser signal is displayed on a laser sensing screen of the display device in at least one laser cursor; obtaining position information of the at least one laser cursor on the laser sensing screen; obtaining operation information transmitted by the emission device; and performing a corresponding operation according to the operation information and the position information of the at least one laser cursor. A display device and a non-transitory storage medium are also provided.
    Type: Grant
    Filed: July 21, 2021
    Date of Patent: May 21, 2024
    Assignee: SHENZHEN TCL NEW TECHNOLOGY CO., LTD.
    Inventor: Zhe Liu
  • Patent number: 11983367
    Abstract: An electronic device is provided in which a capacitance of a capacitor that is formed between one or more reference second touch sensor electrodes and at least one first touch sensor electrodes is defined as a first reference capacitance with the capacitor formed when the touch sensor is folded along a folding line. Moreover, a capacitance of a capacitor formed between a left second touch sensor electrode and at least one of the plurality of first touch sensor electrodes is defined as a left capacitance. Furthermore, a capacitance of a capacitor formed between a right second touch sensor electrode and at least one of the plurality of first touch sensor electrodes is defined as a right capacitance. Using these capacitances, a determining unit of the electronic device can determine that a touch sensor is folded if both the left and the right capacitances are greater than the first reference capacitance.
    Type: Grant
    Filed: May 16, 2022
    Date of Patent: May 14, 2024
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Hidekazu Kano, Hiroaki Kitada
  • Patent number: 11972063
    Abstract: A keyboard device includes a frame and keys. The frame includes key guide grooves each including a first groove wall and a second groove wall. The keys are slidably assembled in the key guide grooves. The key includes a keycap and a guide member. A brim of the keycap includes a first side edge and a second side edge. The guide member includes a first side plate and a second side plate. The first side plate is in the key guide groove, integrally extends from the first side edge, and is arranged close to the first groove wall. The second side plate is in the key guide groove, integrally extends from the second side edge, and is arranged close to the second groove wall.
    Type: Grant
    Filed: March 15, 2023
    Date of Patent: April 30, 2024
    Assignee: CHICONY ELECTRONICS CO., LTD.
    Inventor: Tao-Kuan Chen
  • Patent number: 11972725
    Abstract: A method for image display in a display apparatus is provided. The method includes displaying an image in a respective subpixel in an image display phase. In a sensing phase subsequent to the image display phase, the method further includes providing an initial voltage signal to an anode of a respective light emitting element in the respective subpixel for a first period of time; allowing the anode of a respective light emitting element to discharge for a second period of time, upon discontinuation of the initial voltage signal; obtaining a residual voltage signal at the anode of the respective light emitting element at an end of the second period of time by a sensing sub-circuit of a respective pixel driving circuit; and transmitting the residual voltage signal to an integrated circuit.
    Type: Grant
    Filed: November 25, 2020
    Date of Patent: April 30, 2024
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Hongjun Zhou, Feng Wei, Cong Liu
  • Patent number: 11960677
    Abstract: According to one embodiment, a sensor device includes a panel and a control circuit. The panel includes an insulating layer, a first electrode, and a second electrode. The control circuit including a first circuit including a timing control circuit and a first amplifier, and a second circuit including a detection circuit connected to a floating ground line. During a first sensing drive period, the first output unit outputs a first synchronization signal, the timing control circuit outputs a second synchronization signal, the first amplifier provides the amplified second synchronization signal to each of the floating ground line and the first electrode, and the detector reads a change in a sensor signal.
    Type: Grant
    Filed: May 26, 2022
    Date of Patent: April 16, 2024
    Assignee: Japan Display Inc.
    Inventors: Naoki Takada, Hiroshi Yamaguchi, Kisho Yamamoto
  • Patent number: 11960672
    Abstract: A display device is provided and includes signal line; pixel electrode; drive electrode opposed to pixel electrode; scanning lines; and display periods and a detection period in frame, wherein during one of display periods, common voltage is applied to drive electrode, scanning signal is applied to some scanning lines, pixel signal is applied to pixel electrode, wherein, during detection period, AC drive or pulse signal is applied to drive electrode, AC drive or pulse signal having pulses, wherein pulses during the detection period is less than number of some of scanning signal lines.
    Type: Grant
    Filed: December 9, 2022
    Date of Patent: April 16, 2024
    Assignee: Japan Display Inc.
    Inventors: Koji Noguchi, Yoshitoshi Kida, Kohei Azumi
  • Patent number: 11954293
    Abstract: A display apparatus includes a touch panel including a plurality of electrodes and a touch driver. The touch panel includes first electrodes extending in a first direction and second electrodes extending in a second direction and overlapping the first electrodes. The touch driver is configured to drive the touch panel in a normal mode and a biometric information measurement mode. The touch driver is configured to sequentially apply a transmission signal to the first electrodes by shifting the transmission signal at each group of N electrodes (where N is a positive integer) in the normal mode, and to sequentially apply the transmission signal to the first electrodes by shifting the transmission signal at each group of Q electrodes (where Q is a positive integer greater than N) in the biometric information measurement mode.
    Type: Grant
    Filed: March 1, 2022
    Date of Patent: April 9, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventor: Soongyu Lee
  • Patent number: 11947749
    Abstract: An in-cell touch panel device includes a first substrate, a plurality of color filters formed on a layer on an opposite side of a touch surface with respect to the first substrate, a transmitter electrode formed on a layer on an opposite side of the touch surface with respect to the plurality of color filters, a receiver electrode formed on a layer closer to the touch surface side with respect to the plurality of color filters, and a second substrate, a pixel electrode being disposed on the second substrate. The transmitter electrode includes a gap portion formed in a portion overlapping a space between adjacent ones of the plurality of color filters in a plan view.
    Type: Grant
    Filed: May 24, 2022
    Date of Patent: April 2, 2024
    Assignee: Sharp Display Technology Corporation
    Inventors: Kazutoshi Kida, Kiyoshi Minoura, Takashi Satoh, Shunsuke Noichi, Yasuhiro Sugita, Chiaki Minari
  • Patent number: 11928258
    Abstract: A method for identifying an object of interest of a person based on that person's detected behavior is disclosed. The method involves receiving or generating ambient data representing a first time sequence of ambient data items, each representing for a specific respective point in time in the first time sequence ambient targets being currently present as a respective object in the spatial environment of the person at that point in time, receiving or generating directional sensor data representing a second time sequence of directional data items, each representing directional measurements relating to a specific point in time in the second time sequence, matching the directional sensor data to the possible targets of the ambient data to generate a third time sequence of result data items, and classifying one or more of the ambient targets based on at least two of the corresponding result data items of the third time sequence.
    Type: Grant
    Filed: July 28, 2021
    Date of Patent: March 12, 2024
    Assignee: Gestigon GmbH
    Inventor: Cornelius Reinfeldt