Patents Examined by Liliana Cerullo
  • Patent number: 11740726
    Abstract: A set of touch history data can be received, wherein the set of touch history data indicates a set of unintended touch interactions mapped to contextual data in which each unintended touch interaction occurs. A set of touch sensitivity modification conditions can be determined based on an analysis of the set of touch history data, the set of touch sensitivity modification conditions specifying particular touch modifications to be made under particular conditions. A current touch interaction can be received from a device of a user. The current touch interaction can be analyzed to determine whether a touch sensitivity modification condition of the set of touch sensitivity modification conditions is met. In response to determining that the touch sensitivity modification condition is met, a touch sensitivity of the device of the user can be modified.
    Type: Grant
    Filed: March 8, 2021
    Date of Patent: August 29, 2023
    Assignee: International Business Machines Corporation
    Inventors: Venkata Vara Prasad Karri, Saraswathi Sailaja Perumalla, Sarbajit K. Rakshit, Divya Mantha
  • Patent number: 11720190
    Abstract: A novel input device that is highly convenient or reliable is provided. A novel input/output device that is highly convenient or reliable is provided. A semiconductor device is provided. The present inventors have reached an idea of a structure including a plurality of conductive films configured to be capacitively coupled to an approaching object, a driver circuit that selects a conductive film from a plurality of conductive films in a predetermined order, and a sensor circuit having a function of supplying a search signal and a sensing signal.
    Type: Grant
    Filed: October 8, 2020
    Date of Patent: August 8, 2023
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Hajime Kimura, Shunpei Yamazaki
  • Patent number: 11720214
    Abstract: Provides is a touch panel. The touch panel includes: a first electrode layer, a photosensitive layer, and a second electrode layer that are laminated, wherein the photosensitive layer is insulated from the first electrode layer and the second electrode layer, and the first electrode layer, the photosensitive layer, and the second electrode layer are capable of forming a plurality of touch units arranged in an array. The photosensitive layer is configured to generate a dielectric constant change at a position under irradiation by light from a line light source.
    Type: Grant
    Filed: January 18, 2022
    Date of Patent: August 8, 2023
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Guangyun Tong, Yu Zhang, Zhuolong Li, Liang Bo, Xuefei Qin
  • Patent number: 11720217
    Abstract: The present embodiment relates to a touch sensing circuit configured to control a driving signal transferred to a power circuit and, more specifically, to a touch sensing circuit and a method for operating a touch sensing circuit, the touch sensing circuit including: a readout circuit configured to output a driving signal for driving a touch electrode included in a panel; a power circuit configured to supply driving power to the readout circuit; and a touch control circuit communicating with the power circuit to control the amplitude of a driving signal.
    Type: Grant
    Filed: November 3, 2021
    Date of Patent: August 8, 2023
    Assignee: LX SEMICON CO., LTD.
    Inventors: Jun Tak Jeon, Kyung Hwan Kim
  • Patent number: 11703961
    Abstract: A display device including: a display panel including an active area for displaying an image and a non-active area adjacent to the active area; and a metal sheet layer on the display panel, wherein the metal sheet layer includes: a heat dissipator overlapping the active area; and a coil surrounding the heat dissipator and overlapping the non-active area.
    Type: Grant
    Filed: October 18, 2021
    Date of Patent: July 18, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyun Jee Jeon, Ga Young Kim, Young Min Park, Sang Hyun Lim
  • Patent number: 11703971
    Abstract: A touch unit and a manufacturing method thereof, a touch structure, and a display device are disclosed. The touch unit includes a first touch electrode, a second touch electrode, a first interconnecting member and a second interconnecting member; the first touch electrode and the second touch electrode are insulated from each other and are arranged to be intersected with each other; the first interconnecting member is configured to electrically connect the first touch electrode, and the second interconnecting member is configured to electrically connect the second touch electrode; at least one of the first interconnecting member or the second interconnecting member defines a first opening.
    Type: Grant
    Filed: June 7, 2022
    Date of Patent: July 18, 2023
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Qing Gong
  • Patent number: 11703967
    Abstract: A display panel includes a common electrode formed in an upper layer above a data line, a first insulating layer covering the common electrode, a touch sensor line formed in an upper layer of the first insulating layer and in a first opening provided in the first insulating layer, and connected to the common electrode via the first opening, a second insulating layer covering the touch sensor line, and a pixel electrode formed in an upper layer of the second insulating layer. The first insulating layer is formed with a second opening between the common electrode and the pixel electrode. The second insulating layer is disposed in an interior of the second opening and formed with a recessed portion recessed downward into a portion above the second opening. At least a portion of the pixel electrode is disposed in the recessed portion of the second insulating layer.
    Type: Grant
    Filed: January 5, 2022
    Date of Patent: July 18, 2023
    Assignee: SHARP DISPLAY TECHNOLOGY CORPORATION
    Inventors: Katsushige Asada, Hajime Imai, Yoshihito Hara, Akihiro Shohraku, Isao Ogasawara, Yuki Yamashita
  • Patent number: 11698703
    Abstract: System for display and presence detection are described. In some embodiments, a system may include a display and a sensor. The sensor may include a display switch, first and second display electrodes, and a light emission layer. The sensor may include a sensor switch, a sensor electrode, and an analog front end. The system may further include an external surface configured to transmit light emitted by the light emission layer toward a user.
    Type: Grant
    Filed: July 8, 2021
    Date of Patent: July 11, 2023
    Assignee: IDEX BIOMETRICS ASA
    Inventor: Imre Knausz
  • Patent number: 11687207
    Abstract: A display device is provided and includes display panel; sensor substrate formed on display panel; and M drive electrodes and detection electrodes extended in direction so as to intersect with M drive electrodes, wherein among M drive electrodes, any of lengths of N first drive electrodes, which are continuously adjacent to one another, is shorter than any of lengths of other N second drive electrodes which are continuously adjacent to one another, and number of detection electrodes which intersect with N first drive electrodes is larger than number of detection electrodes which intersect with N second drive electrodes.
    Type: Grant
    Filed: February 15, 2022
    Date of Patent: June 27, 2023
    Assignee: Japan Display Inc.
    Inventors: Akihiko Fujisawa, Teppei Yamada, Kaoru Ito
  • Patent number: 11687187
    Abstract: A lighting touchpad is provided, which includes a substrate module, a plurality of sensing electrodes, a plurality of driving electrodes, a plurality of light emitting diode (LED) chips mounted on the substrate module, and a controller. The driving electrodes and the sensing electrodes are formed on the substrate module and are respectively located at different height positions. The driving electrodes define a distribution space that extends along a normal direction of the substrate module. The LED dies are arranged in the distribution space. The controller is electrically coupled to the sensing electrodes, the driving electrodes, and the LED dies through the substrate module. When a coupling capacity is generated between a conductor and at least one of the sensing electrodes, the controller is configured to drive at least one of the LED dies adjacent to the at least one of the sensing electrodes to emit light.
    Type: Grant
    Filed: August 13, 2021
    Date of Patent: June 27, 2023
    Assignee: PIXART IMAGING INC.
    Inventor: Chi-Chieh Liao
  • Patent number: 11687178
    Abstract: According to an aspect, a touch detection device includes: a first substrate; a second substrate opposed to the first substrate; a cover base material opposed to the second substrate; a plurality of first electrodes overlapping a display region on a plane parallel with the first substrate; and a second electrode arranged at the cover base material and overlapping a frame region outside the display region. Proximity or contact of an object with respect to the frame region is detected based on capacitance between the first electrodes and the second electrode. The second electrode extends along a side of the frame region.
    Type: Grant
    Filed: July 15, 2021
    Date of Patent: June 27, 2023
    Assignee: Japan Display Inc.
    Inventor: Koji Noguchi
  • Patent number: 11675456
    Abstract: According to an aspect, a display apparatus includes: a substrate; a plurality of pixel electrodes; a plurality of detection electrodes arranged in a matrix in a display area of the substrate; a plurality of detection electrode lines coupled to the respective detection electrodes; a plurality of first electrodes provided in the same layer as the detection electrodes or the detection electrode lines and extending in a first direction; a plurality of switching elements coupled to the respective pixel electrodes; a plurality of signal lines coupled to the switching elements and extending in a second direction crossing the first direction; a coupling member provided in a peripheral area outside the display area and configured to couple ends of the first electrodes to each other; and a drive circuit configured to output a first drive signal in a first sensing period in which an electromagnetic induction method is used.
    Type: Grant
    Filed: June 7, 2022
    Date of Patent: June 13, 2023
    Assignee: Japan Display Inc.
    Inventors: Hayato Kurasawa, Hiroshi Mizuhashi, Fumitaka Gotoh, Gen Koide, Tadayoshi Katsuta
  • Patent number: 11675464
    Abstract: A touch input sensing device configured to be added to an electronic device, the electronic device including a touch input unit, the touch input unit including a first touch member integrated with a housing. The touch input sensing device includes a resonant circuit configured to generate a resonance signal having a resonant frequency that varies based on a touch of the touch input unit, a digital frequency counter configured to count a reference frequency signal based on the resonance signal, or count the resonance signal based on the reference frequency signal, to generate a count value, and a touch detector configured to detect whether the touch of the touch input unit has occurred based on the count value generated by the digital frequency counter, and output a touch detection signal indicating whether the touch has occurred.
    Type: Grant
    Filed: March 4, 2020
    Date of Patent: June 13, 2023
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jong Woo Lee, Ho Kwon Yoon, Yong Woon Ji, Dong Hun Han, Woo Young Choi, Joo Yul Ko, Je Hyuk Ryu, Byung Joo Hong
  • Patent number: 11669214
    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: January 20, 2022
    Date of Patent: June 6, 2023
    Assignee: EGALAX_EMPIA TECHNOLOGY INC.
    Inventors: Chin-Fu Chang, Shang-Tai Yeh
  • Patent number: 11662848
    Abstract: A display device includes a display unit comprising a plurality of pixels. A touch sensing unit is disposed on the display unit and comprises a plurality of driving electrodes and a plurality of sensing electrodes. A touch driver supplies a touch driving signal to the driving electrodes through a plurality of driving lines and receives a touch sensing signal from the sensing electrodes through a plurality of sensing lines. During a first horizontal period of one frame period, the touch driver supplies a touch driving signal having a first pulse width to a first partial portion of the driving lines and supplies a touch driving signal having a second pulse width smaller than the first pulse width to a second partial portion of the driving lines that is different from the first partial portion of the driving lines.
    Type: Grant
    Filed: September 3, 2021
    Date of Patent: May 30, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Bo Geun Yuk, Jun Seong Lee, Min Hong Kim, Tae Joon Kim, Eung Kwan Lee
  • Patent number: 11635853
    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: May 25, 2021
    Date of Patent: April 25, 2023
    Assignee: NOVATEK MICROELECTRONICS CORP.
    Inventors: Hung-Kai Chen, Yu-Huang Chen, Feng-Lin Chan
  • Patent number: 11635850
    Abstract: Provided are a data processing device, a display device, and deterioration compensation method of the data processing device to determine a burn-in occurrence region by recognizing a user's touch in a display device including a touch function and accurately perform a degradation compensation on the burn-in occurrence region.
    Type: Grant
    Filed: November 17, 2021
    Date of Patent: April 25, 2023
    Assignee: LX SEMICON CO., LTD.
    Inventor: Ho Min Lim
  • Patent number: 11631657
    Abstract: An electronic device including a driving circuit substrate, a plurality of light emitting units, and a first passivation layer is provided. The driving circuit substrate includes a plurality of active elements. The light emitting units are disposed on the driving circuit substrate and electrically connected to the driving circuit substrate, and each of the plurality of light emitting units is five surfaces light emitting type. The first passivation layer covers the light emitting units and the driving circuit substrate for protecting the light emitting units. One of the active elements provides a current to a corresponding one of the light emitting units, such that lighting efficiency of the corresponding one of the light emitting units is ranged from 70% to 100%. The current includes a plurality of pulse currents spaced apart from each other, and time widths of the pulse currents are the same.
    Type: Grant
    Filed: September 16, 2021
    Date of Patent: April 18, 2023
    Assignee: InnoLux Corporation
    Inventors: Shu-Ming Kuo, Tsau-Hua Hsieh, Shun-Yuan Hu
  • Patent number: 11614821
    Abstract: A touch control method is provided. The method includes: providing a touch device with multiple touch electrodes; determining whether an object is located in a sensing distance; detecting a sensing group sensing the object if the determination is yes; determining whether an electrode amount in the electrode group is between a first value and a second value; determining whether a sensing time of a predetermined proportion of the touch electrodes in the sensing group is equal to or greater than a predetermined time; executing a fingerprint recognition mode if the electrode amount is between the first value and the second value, and the sensing time is equal to or greater than the predetermined time; executing a touch operation mode if the electrode amount is less than the first value or greater than the second value, or the sensing time is less than the predetermined time.
    Type: Grant
    Filed: November 28, 2021
    Date of Patent: March 28, 2023
    Assignee: SUPERC-TOUCH CORPORATION
    Inventors: Hsiang-Yu Lee, Shang Chin, Ping-Tsun Lin
  • Patent number: 11599213
    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: April 1, 2021
    Date of Patent: March 7, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hye Jin Joo, Byeong Hee Won