Patents Examined by Hong Zhou
  • Flexible electroluminescent display device
    Patent number: 11322573
    Abstract: An electroluminescent display device includes a substrate including an active area, and bezel area outside the active area and including a bending area, a first organic insulation layer (OIL) in the active area, covering a first signal line extending from the active area to the bezel area, a second OIL in the bending area, the second OIL being in a same layer as the first organic insulation film, first and second touch electrodes crossing over each other and sealing the active area on an encapsulation layer above the first OIL with a third OIL therebetween, a first signal line link pattern connected to the first signal line, and on the second OIL in the bending area, and second and third signal lines respectively connected to the first and second touch electrodes, and on the second OIL in parallel with the first signal line link pattern.
    Type: Grant
    Filed: August 26, 2020
    Date of Patent: May 3, 2022
    Assignee: LG Display Co., Ltd.
    Inventors: Ruda Rhe, Deuksu Lee, Jeonghoon Lee, Jihyun Jung, Jaegyun Lee
  • Display device including position input function
    Patent number: 11307701
    Abstract: A display device including a position input function, includes a pixel electrode; an image wire that is disposed adjacent to the pixel electrode and supplies an image signal to the pixel electrode; a plurality of position detection wires that are arranged side by side on at least one side of the image wire; and a plurality of position detection electrodes that are connected to the plurality of position detection wires, form a capacitance with a position input body performing position input, detect an input position by the position input body, and include an opening portion which overlaps with the plurality of position detection wires arranged on the at least one side of the image wire and is formed in a range straddling the plurality of position detection wires.
    Type: Grant
    Filed: February 24, 2021
    Date of Patent: April 19, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventor: Junichi Morinaga
  • Haptic-feedback presenting apparatus, haptic-feedback presenting system, and haptic-feedback presenting method
    Patent number: 11307662
    Abstract: An object of the present technology is to provide a haptic-feedback presenting apparatus, a haptic-feedback presenting system, and a haptic-feedback presenting method capable of presenting information mapped in space without vision and audition. A haptic-feedback presenting apparatus according to the present technology includes a mapping-information acquisition part, a region detection part, and a haptic-feedback arithmetic part. The mapping-information acquisition part acquires mapping information that is information mapped in space. The region detection part sets a detection-target region, and determines whether or not the mapping information included in the detection-target region satisfies a condition, such as being a threshold or more. The haptic-feedback arithmetic part calculates a haptic feedback to be presented to a user on the basis of a determination result from the region detection part.
    Type: Grant
    Filed: June 29, 2020
    Date of Patent: April 19, 2022
    Assignee: Sony Corporation
    Inventors: Akira Ono, Ryo Yokoyama, Tetsuya Naruse, Mikio Takenaka, Ryosuke Murakami, Hideaki Hayashi, Mioko Ambe, Ryosuke Takeuchi, Kazutoshi Ohno, Seiji Muramatsu, Tetsuya Takahashi
  • Touch display device, driving circuit and driving method thereof
    Patent number: 11307698
    Abstract: Embodiments of the present disclosure relate to touch display devices, driving circuits, and driving methods, and more specifically, to a touch display device, a driving circuit, and a driving method for enabling the functionality of a micro control unit to be minimized and power consumption to be reduced by allowing one or more combined integrated circuits to generate a touch sensing control signal and provide the generated signal to a plurality of combined integrated circuits. Further, according to embodiments of the present disclosure, touch display devices, driving circuits, and driving methods are provided for enabling power consumption of a touch power integrated circuit to be reduced by using a touch sensing control signal generated by one or more combined integrated circuits as a load-free driving signal.
    Type: Grant
    Filed: December 9, 2020
    Date of Patent: April 19, 2022
    Assignee: LG Display Co., Ltd.
    Inventors: Youngwoo Jo, HyeongWon Kang
  • Gate drive circuit, touch display device and driving method
    Patent number: 11302276
    Abstract: A gate drive circuit, a touch display device and a driving method are provided. The gate drive circuit includes a plurality of cascaded shift register units and a voltage stabilization circuit. Each of the plurality of cascaded shift register units includes a touch scanning control terminal; and the voltage stabilization circuit is connected to a first shift register unit and at least one second shift register unit after the first shift register unit, of the plurality of cascaded shift register units, and configured to compensate a level of a first node of the group of second shift register units in response to the touch scanning control signal.
    Type: Grant
    Filed: October 18, 2018
    Date of Patent: April 12, 2022
    Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xuebo Liang, Zhi Zhang, Xiuzhu Tang, Jingpeng Zhao, Shuai Chen, Xing Dong, Qian Qian, Taoliang Tang, Lijun Xiong, Zhenguo Tian, Shuang Hu, Jian Yang
  • Display device with electrostatic capacitive touch panel
    Patent number: 11301092
    Abstract: Provided is a display device with an electrostatic capacitive touch panel including a display panel that displays an image, an electrostatic capacitive touch panel that detects a presence/absence of a contact, a circuit substrate that is provided with a control circuit controlling the display panel and the electrostatic capacitive touch panel, a metal frame that has a first opening portion and is provided between the display panel and the control substrate, a first flexible substrate that passes through the first opening portion and couples the display panel and the control substrate to each other, and a second flexible substrate that is provided with a semiconductor element receiving a signal output from the electrostatic capacitive touch panel and couples the electrostatic capacitive touch panel and the control substrate to each other without passing through the first opening portion.
    Type: Grant
    Filed: September 28, 2020
    Date of Patent: April 12, 2022
    Assignee: Seiko Epson Corporation
    Inventors: Yoshiyuki Yamaguchi, Toru Matsuyama
  • Integrated circuit for driving panel and display device including the same
    Patent number: 11294508
    Abstract: According to an embodiment, it is possible to efficiently use resources by restoring a clock from an image signal including a clock in image data and using the restored clock in a section in which the image signal is not received.
    Type: Grant
    Filed: February 4, 2021
    Date of Patent: April 5, 2022
    Assignee: SILICON WORKS CO., LTD.
    Inventor: Yong Sung Ahn
  • Display device
    Patent number: 11296157
    Abstract: A display device prevents cracks from spreading to an active area. The display device includes a substrate including an active area and a non-active area having a bending area, a thin-film transistor disposed in the active area, a light-emitting element disposed in the active area and connected to the thin-film transistor, an encapsulation layer disposed on the light-emitting element, a touch sensor disposed on the encapsulation layer, a touch pad disposed in the non-active area, a first routing line connecting the touch sensor to the touch pad via a second routing line in the bending area, and a crack prevention layer disposed on the second routing line in the bending area. Thus, the crack prevention layer is capable of preventing the occurrence of cracks in the bending area BA, thus preventing cracks from spreading to the active area AA.
    Type: Grant
    Filed: December 4, 2020
    Date of Patent: April 5, 2022
    Assignee: LG Display Co., Ltd.
    Inventors: Sang-Hyuk Won, Min-Joo Kim, Jae-Won Lee, Sang-Hoon Pak, Byong-Hoo Kim, Ji-Hye Lee, Jae-Man Jang, Sung-Jin Kim, Jae-Hyung Jang
  • Systems and methods for temperature-based parasitic capacitance variation compensation
    Patent number: 11282458
    Abstract: Systems and methods are presently disclosed that compensate for temperature-based parasitic capacitance variation of a pixel of a display by causing a driver transistor of the pixel to enter an ohmic or linear region. A lookup table is generated based on temperatures at the pixel, diode voltages, and target diode currents or luminances at a diode of the pixel. A correction voltage is determined based on a target diode current or luminance, a temperature at the pixel, and the lookup table. A data voltage is applied corresponding to the target diode current or luminance and the correction voltage to the driver transistor.
    Type: Grant
    Filed: June 9, 2020
    Date of Patent: March 22, 2022
    Assignee: Apple Inc.
    Inventors: Hyunsoo Kim, Injae Hwang, Jesun Kim, Jesse A. Richmond, Junhua Tan, Jie Won Ryu, Hyunwoo Nho, Kingsuk Brahma, Chaohao Wang, Shiping Shen, Myungjoon Choi, Myung-Je Cho, Rebecca Park, Sun-Il Chang
  • Display device
    Patent number: 11275460
    Abstract: A display device includes a display panel, a first printed circuit board over one surface of the display panel and including a first pad and a second pad, a pressure sensor between the display panel and the first printed circuit board, the pressure sensor including a first conductor connected to the first pad, and a second conductor forming a capacitance with the first conductor, a first adhesive portion contacting the second pad and the second conductor, and a second adhesive portion contacting the second conductor and the first printed circuit board.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: March 15, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Changwoo Kahng, Dongik Koo
  • Display device and driving method thereof
    Patent number: 11270637
    Abstract: A display device includes: an organic light emitting diode (OLED); a pixel circuit configured to control an amount of a current flowing from a first power voltage to the OLED; and a gate line and a data line that are connected to the pixel circuit, the pixel circuit including: an auxiliary transistor including a gate electrode electrically connected to the data line and a first electrode and a second electrodes connected to the gate line, the first electrode and the second electrode of the auxiliary transistor being electrically connected to each other.
    Type: Grant
    Filed: July 14, 2020
    Date of Patent: March 8, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong Won Park, Seung-Kyu Lee, Hyun Woong Kim
  • Shift register unit, shift register and driving method, and display apparatus
    Patent number: 11263952
    Abstract: A shift register unit includes a shift register circuit and a control circuit. The control circuit is electrically coupled to the shift register circuit and at least one control terminal, and is configured, based on at least one control signal respectively from the at least one control terminal, to output a hold signal to a pull-up node in the shift register circuit such that a high voltage maintains at the pull-up node during a specified time period. The shift register includes a plurality of shift register circuits cascadedly connected in stages, includes a first shift register circuit, which is coupled with a control circuit to form a shift register unit described above. The above shift register can be used in an array substrate in a display apparatus with touch control functionality.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: March 1, 2022
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiao Wang, Yu Ma, Yan Yan
  • Data transmission method and device, display screen, and display device
    Patent number: 11257439
    Abstract: The present disclosure relates to a data transmission method and device, a display screen, and a display device, and belongs to the application field of display technology. The method is applicable to a first drive chip in a display device that includes a controller, a plurality of drive chips and a data acquisition apparatus. The first drive chip is one of the plurality of drive chips and connected to the controller and the data acquisition apparatus respectively. The method includes: receiving component-related data acquired by the data acquisition apparatus; and sending backhaul data to the controller, the backhaul data including the component-related data. The present disclosure solves the problem of function singleness of the drive chip. The present disclosure is applicable to drive and control the display device.
    Type: Grant
    Filed: January 4, 2019
    Date of Patent: February 22, 2022
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhijie Guo, Ming Chen, Jieqiong Wang, Hsinchung Lo, Hao Zhu, Xin Duan
  • Force signal processing
    Patent number: 11249575
    Abstract: A method of processing a number of force values is described. Each force value corresponds to a sensor location. The sensor locations are spaced apart along a direction. The method includes receiving the force values (S11). The method also includes determining whether the force values include one or more candidate peaks (S12). Each candidate peak corresponds to a local maximum of the force values. The method also includes, in response to at least one candidate peak exceeds a minimum force threshold (S13), interpolating the force values and estimating a number of peak coordinates and corresponding peak force values based on the interpolated force values and the candidate peaks (S14) which exceed the minimum force threshold.
    Type: Grant
    Filed: June 23, 2020
    Date of Patent: February 15, 2022
    Assignee: Cambridge Touch Technologies Ltd.
    Inventors: Riccardo Micci, Arokia Nathan
  • Touchscreen having electro-optical display and integrated pressure sensing
    Patent number: 11231813
    Abstract: In an electro-optical touchscreen inputs into an electronic system are able to be realized by the electro-optical touchscreen being touched by an input member and wherein the electro-optical touchscreen comprises a display and a first sensing device for determining the location at which the electro-optical touchscreen is touched, and a second sensing device for determining a force applied to the electro-optical touchscreen, wherein the position of the electro-optical touchscreen with respect to a reference surface is variable by way of the force being applied to the surface of said electro-optical touchscreen, wherein the second sensing device is configured in capacitive fashion and comprises an electrode, it is provided that the electrode of the second sensing device lies in a plane with electrodes of the display or in a plane with electrodes of the first sensing device.
    Type: Grant
    Filed: June 22, 2020
    Date of Patent: January 25, 2022
    Assignee: Continental Automotive GmbH
    Inventors: Andreas Brüninghaus, Kai Hohmann, Steffen Wildner
  • Touch sensing structure, and electronic device using same
    Patent number: 11231820
    Abstract: A touch sensing structure with improved illumination includes a first substrate, a decoration layer, a light-shielding layer, a light-emitting element, a pressure-sensitive element, a first reflective layer, and a second reflective layer. The pressure-sensitive element is farther away than the light-emitting element from the first substrate. The decoration layer shows a function icon. The light-emitting element emits light to illuminate the function icon. When the first substrate is pressed, the touch sensing structure determines a magnitude of the pressing force by detecting a change in the resistance or voltage value of the pressure-sensitive element. If the pressing force reaches a specific value, the function identified by the function icon is executed, otherwise no function is executed.
    Type: Grant
    Filed: April 13, 2021
    Date of Patent: January 25, 2022
    Assignees: Interface Technology (ChengDu) Co., Ltd., INTERFACE OPTOELECTRONICS (SHENZHEN) CO.. LTD., INTERFACE OPTOELECTRONICS (WUXI) CO., LTD., GENERAL INTERFACE SOLUTION LIMITED
    Inventors: Ten-Hsing Jaw, I-Chang Kuan, Han-Lung Tsai
  • Data transmission method and device, display screen, and display device
    Patent number: 11227554
    Abstract: The present disclosure relates to a data transmission method and device, a display screen, and a display device, and belongs to the application field of display technology. The method is applicable to a first drive chip in a display device that includes a controller, a plurality of drive chips and a data acquisition apparatus. The first drive chip is one of the plurality of drive chips and connected to the controller and the data acquisition apparatus respectively. The method includes: receiving component-related data acquired by the data acquisition apparatus; and sending backhaul data to the controller, the backhaul data including the component-related data. The present disclosure solves the problem of function singleness of the drive chip. The present disclosure is applicable to drive and control the display device.
    Type: Grant
    Filed: January 4, 2019
    Date of Patent: January 18, 2022
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhijie Guo, Ming Chen, Jieqiong Wang, Hsinchung Lo, Hao Zhu, Xin Duan
  • Shift register circuit
    Patent number: 11222579
    Abstract: A shift register circuit includes a first dummy shift register, a second dummy shift register, multiple shift registers, multiple module selection switches, and multiple output selectors. The shift registers are connected in series between the first dummy shift register and the second dummy shift register, and are divided into a plurality of shift register groups. The module selection switches jointly receive a module selection signal, and are respectively coupled between the first dummy shift register and the shift register groups or between the shift register groups. The output selectors are respectively coupled between an output terminal of the corresponding one of the first dummy shift register, the shift registers, and the second dummy shift register, and a display panel and a fingerprint sensor module.
    Type: Grant
    Filed: April 26, 2021
    Date of Patent: January 11, 2022
    Assignee: Au Optronics Corporation
    Inventors: Cheng-Hsing Lin, Shu-Wen Tzeng, Jui-Chi Lo
  • Touch panel and driving method thereof, and touch device
    Patent number: 11216120
    Abstract: Embodiments of the present disclosure provide a touch panel and a driving method thereof, and a touch device. The touch panel includes a plurality of touch electrodes and at least one first switch element. Each of the at least one first switch element is provided between two touch electrodes of the plurality of touch electrodes, and is configured to be turned on according to a first signal from a first signal terminal such that the corresponding touch electrodes among the plurality of touch electrodes are connected via the at least one first switch element to form a coil.
    Type: Grant
    Filed: February 5, 2018
    Date of Patent: January 4, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xueyou Cao, Haisheng Wang, Xiaoliang Ding, Yanling Han, Chih Jen Cheng, Wei Liu, Pengpeng Wang, Ping Zhang
  • Information processing apparatus and information processing method
    Patent number: 11209908
    Abstract: Provided are an information processing apparatus, an information processing method, and a program capable of further improving gesture recognition accuracy. There is provided an information processing apparatus including a context recognition unit that recognizes a context related to a user, a gesture recognition unit that recognizes a gesture of a user, and a setting change unit that dynamically changes a recognition setting of the gesture recognition unit based on recognition result of the context recognition unit.
    Type: Grant
    Filed: October 24, 2017
    Date of Patent: December 28, 2021
    Assignee: SONY CORPORATION
    Inventors: Hiroyuki Mizunuma, Ikuo Yamano