Patents Examined by Robin J Mishler
  • Patent number: 11586310
    Abstract: A display device includes multiple gate lines, multiple source lines, multiple pixel electrodes provided respectively in regions defined by the multiple gate lines and the multiple source lines, and multiple common electrodes provided to face the multiple pixel electrodes and used for both image display and touch detection. A second drive circuit supplies a touch drive signal to each of the multiple common electrodes. A touch detection circuit performs detection of a touch by an object on the display device, based on a touch detection signal received from each of the multiple common electrodes. The display device includes multiple touch detection regions. Among the multiple common electrodes, multiple common electrodes are arranged in each of the touch detection regions. In the display system, touch detection is performed in part of the multiple touch detection regions, and touch detection is not performed in rest of the multiple touch detection regions.
    Type: Grant
    Filed: September 30, 2021
    Date of Patent: February 21, 2023
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventor: Yusuke Morioka
  • Patent number: 11586312
    Abstract: A touch module includes a substrate, a bridging pattern layer, first and second insulating layers, and an electrode pattern layer. The bridging pattern layer, disposed on the substrate, includes a bridging electrode. The first insulating layer, disposed on the bridging pattern layer, includes first and second insulating blocks respectively formed at opposite ends of the bridging electrode and a third insulating block separately located between the first and second insulating blocks by two exposed regions of the first insulating layer. The electrode pattern layer, disposed on the first insulating layer, is electrically connected to the bridging electrode through the two exposed regions. The electrode pattern layer includes first and second transparent conductive layers and a metal layer and has two through hole regions directly above the bridging electrode. The second insulating layer, disposed on the electrode pattern layer, covers and fills the two through hole regions.
    Type: Grant
    Filed: November 10, 2021
    Date of Patent: February 21, 2023
    Assignee: TPK Advanced Solutions Inc.
    Inventors: Xiang Mei Chen, Lian Jie Ji, Lien-Hsin Lee, Tai-Shih Cheng
  • Patent number: 11586333
    Abstract: A touch device includes: a touch panel including a plurality of X-touch lines and a plurality of Y-touch lines crossing each other; an X-touch driving part simultaneously transmitting at least two of a plurality of X-self signals to the plurality of X-touch lines and sequentially transmitting a plurality of X-mutual signals to the plurality of X-touch lines; and a Y-touch driving part simultaneously transmitting at least two of a plurality of Y-self signals to the plurality of Y-touch lines and transmitting at least two of a plurality of Y-mutual signals to the plurality of Y-touch lines.
    Type: Grant
    Filed: November 15, 2021
    Date of Patent: February 21, 2023
    Assignee: LG Display Co., Ltd.
    Inventors: Seong-Tae Cho, Gyeong-Jin Hwang
  • Patent number: 11587990
    Abstract: A display device includes a display unit comprising a plurality of light-emitting areas emitting light. A touch sensing unit is disposed on the display unit to sense a touch. A buffer part is disposed on the touch sensing unit to cushion an external impact. A metal pattern is disposed on the buffer part and has a mesh structure. The metal pattern includes a plurality of code patterns having a cut shape that encodes position information.
    Type: Grant
    Filed: February 8, 2022
    Date of Patent: February 21, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Won Sang Park, Seong Jun Lee
  • Patent number: 11579738
    Abstract: A circuit board including: a body part including a driving chip; a pad part including a plurality of pads connected to a plurality of lines, wherein the pad part extends in a first direction from the body part; and a line part including a first line of the lines, wherein the first line is electrically connected to the driving chip, the line part extends in the first direction from the body part, and the line part is bendable with respect to a bending line.
    Type: Grant
    Filed: November 22, 2021
    Date of Patent: February 14, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyun-Wook Cho, Min-Hong Kim, Sangkook Kim, TaeJoon Kim, Jungmok Park
  • Patent number: 11579739
    Abstract: A touch sensing device includes first sensor electrodes disposed in a first area, second sensor electrodes disposed in a second area, first sensor lines each connected to the first sensor electrodes in the first area, and second sensor lines each connected to the second sensor electrodes in the second area. Each of the second sensor lines includes a first sub-sensor line disposed in the second area, and a second sub-sensor line disposed in the first area and the second area and connected to the first sub-sensor line.
    Type: Grant
    Filed: March 17, 2022
    Date of Patent: February 14, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sang Hyun Choi, Yong Hwan Park, Kwang Soo Bae, Chaun Gi Choi, Sang Hyun Han
  • Patent number: 11579725
    Abstract: An electronic device includes a first sensing electrode provided in an active region, in which a center is defined, the first sensing electrode including a plurality of first sensing patterns, each of which is spaced apart from the center by a first distance, a second sensing electrode including a plurality of second sensing patterns, each of which is spaced apart from the center by the first distance, a first sensing routing line electrically connected to the first sensing electrode, and a second sensing routing line electrically connected to one of the plurality of second sensing patterns. In the active region, a portion of the first sensing routing line and a portion of the second sensing routing line may have a rotational symmetry.
    Type: Grant
    Filed: October 28, 2021
    Date of Patent: February 14, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Gayoung Kim, Gwang-Bum Ko, Sanghyun Lim
  • Patent number: 11579718
    Abstract: A touch electronic device is provided, which includes: a display unit; a conductive film disposed on the display unit, wherein the conductive film has a surface impedance ranging from 105?/? to 109?/?; and a first polarizer disposed on the conductive film, wherein the conductive film is disposed between the display unit and the first polarizer, wherein a surface impedance of the first polarizer divided by the surface impedance of the conductive film is greater than or equal to 103 and less than or equal to 108.
    Type: Grant
    Filed: February 2, 2022
    Date of Patent: February 14, 2023
    Assignee: INNOLUX CORPORATION
    Inventors: Chiu-Lien Yang, Kuan-Hung Kuo, Chiung-chieh Kuo, Jiou-Teng Lai, Wen-Yi Chen
  • Patent number: 11567600
    Abstract: A touch display device is provided. The touch display device includes a display panel configured to display an image, a touch sensor on the display panel, and a touch circuit unit configured to drive and control the touch sensor. The touch circuit unit includes a pen signal correction unit configured to correct a sensing timing of an active pen placed on the touch sensor.
    Type: Grant
    Filed: December 7, 2021
    Date of Patent: January 31, 2023
    Assignee: LG Display Co., Ltd.
    Inventors: Byoung Gwan Lee, Sung Yub Lee, Su Yun Ju
  • Patent number: 11550415
    Abstract: A touch sensor according to an embodiment of the present disclosure may include a substrate layer, sensing electrodes that are formed on the substrate layer, an insulation layer that is formed on the substrate layer to cover the sensing electrodes, and a black matrix that is formed on the insulation layer.
    Type: Grant
    Filed: July 7, 2021
    Date of Patent: January 10, 2023
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Chi Kwon Lee, Kyung Yeal Baek
  • Patent number: 11550440
    Abstract: A sensing system includes a stretchable base material, a plurality of electrodes, a capacitive sensing channel and a controller. The stretchable base material has a resistance distribution that changes in response to being mechanically deformed as a result of a human body contact. The base material has a rebound elasticity. The electrodes are attached to a perimeter of the base material, the capacitive sensing channel is attached to the base material. The controller is operatively connected to the plurality of electrodes and the capacitive sensing channel. The controller is configured to measure instantaneous voltage measurements from the plurality of electrodes, and determine whether the base material is mechanically deformed based on the instantaneous voltage measurements using a support vector machine classifier.
    Type: Grant
    Filed: December 13, 2021
    Date of Patent: January 10, 2023
    Assignee: Purdue Research Foundation
    Inventors: Sang Ho Yoon, Karthik Ramani
  • Patent number: 11550425
    Abstract: A display device according to an example embodiment includes a display portion displaying an image, and a sense portion that is disposed over one side of the display portion, and senses an external input, wherein the sense portion includes: at least one of first sense electrodes receiving a first sense signal that is changed in response to the external input, at least one of second sense electrodes that are disposed at a distance from the first sense electrodes, wherein the first sense electrodes are disposed between the second sense electrodes, and at least one of compensation electrode that are disposed spaced apart from and between the first sense electrodes, and to which a compensation signal is applied, wherein the compensation signal and the first sense signal are inverted in phase.
    Type: Grant
    Filed: May 27, 2022
    Date of Patent: January 10, 2023
    Inventor: Sang Hyun Lim
  • Patent number: 11550439
    Abstract: A display device including a touch sensing unit including a first touch conductive layer, a first touch insulating layer disposed on the first touch conductive layer, and a second touch conductive layer disposed on the first touch insulating layer. The touch sensor area includes a first touch sensor area located at a center of the touch sensor area, and a second touch sensor area located between the first touch sensor area and the curved portion. The first touch conductive layer includes a touch connection electrode connecting adjacent first touch electrodes, and a plurality of capacitance (cap) compensation patterns arranged in the second touch sensor area. The plurality of cap compensation patterns includes a first cap compensation pattern electrically connected to the adjacent first touch electrode and a second cap compensation pattern electrically connected to the adjacent second touch electrode.
    Type: Grant
    Filed: June 6, 2022
    Date of Patent: January 10, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung Jin Yang, Ki Cheol Kim, Sung Hee Kim, Hyun Sik Park, Chun Gi You, Sung Ho Cho, Min Ho Chae
  • Patent number: 11543905
    Abstract: A display device according to an embodiment includes a digitizer, a display module disposed on the digitizer, and a support plate disposed between the digitizer and the display module, the support plate including an amorphous nickel alloy, and a range of about 50 wt % to about 95 wt % of nickel is included in the amorphous nickel alloy based on a total weight of the amorphous nickel alloy. The support plate has a non-magnetic property and a flexible property.
    Type: Grant
    Filed: March 30, 2022
    Date of Patent: January 3, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seunghwa Ha, Sangjae Kim, Hyeong-Jun Kim, Seung-Ho Jung, In-Woo Jeong
  • Patent number: 11537254
    Abstract: A display device includes a display unit, an upper electrode layer, a lower electrode layer and an electrochromic layer. The display unit includes a plurality of light emitting diodes disposed in a light emitting area. The upper electrode layer is disposed on the display unit, and includes a plurality of first electrode patterns and a plurality of second electrode patterns. The first electrode patterns are arranged in a first direction, and are electrically connected each other. The second electrode patterns are arranged in a second direction intersecting the first direction and are electrically connected each other. The lower electrode layer is disposed between the upper electrode layer and the display unit. The electrochromic layer is disposed between the upper electrode layer and the lower electrode layer, and includes an electrochromic pattern.
    Type: Grant
    Filed: November 23, 2021
    Date of Patent: December 27, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Youngchan Kim, Jinoh Kwag, Jeongwoo Park, Jaeho You, Mingyeong Jo
  • Patent number: 11537227
    Abstract: Systems and methods for a controlling a shared virtual environment are provided. The systems and methods includes a public display connects to a reflector via a network. A shared virtual environment is replicated on the public display. A QR code is displayed on the public display for scanning by a mobile device. The QR code includes instructions to download a controller interface and location of the reflector. The mobile device provides inputs, via the reflector, to the shared virtual environment. This causes mirroring of computations on each of the plurality of objects across the shared virtual environment deterministically. Further, a new message from the reflector with an appended timestamp is transmitted to advance time within the public display. Inputs from the mobile device may include a touchscreen input corresponding to rendered joysticks and buttons, and/or an accelerometer input after position of the mobile device has been calibrated related to the public display.
    Type: Grant
    Filed: December 14, 2021
    Date of Patent: December 27, 2022
    Assignee: CEO VISION, INC
    Inventors: Vanessa Ada Freudenberg, Aran Lunzer, Yoshiki Ohshima, David A. Smith, Brian Upton
  • Patent number: 11537221
    Abstract: In one embodiment, a stylus includes one or more electrodes included in a tip, and a computer-readable non-transitory storage medium embodying logic that is configured when executed to receive, by the one or more electrodes and an analog front end, signals transmitted from a touch sensor coupled to a touch-sensor controller, and convert the signals into sequences of digital signals. The logic is further configured when executed to feed the sequences of digital signals received in different periods into a memory; correlate each of the sequences of digital signals with a digital data defined by a wide-band code to generate multiple correlations; and transmit a transmission signal to the touch-sensor controller according to a synchronization timing determined based at least in part on one or more of the multiple correlations.
    Type: Grant
    Filed: February 28, 2022
    Date of Patent: December 27, 2022
    Assignee: Wacom Co., Ltd.
    Inventors: Vemund Bakken, Eivind Holsen
  • Patent number: 11531423
    Abstract: A touch display device comprises a display panel in which a plurality of touch electrodes including a plurality of X-touch electrodes extending to a first direction and a plurality of Y-touch electrodes extending to a second direction, and a plurality of subpixels are disposed; and a touch driving circuit supplying a touch driving signal to the display panel, sensing a touch by detecting a touch sensing signal, and overlapping with a turn-off section of a first switch transmitting the touch sensing signal and a turn-on section of a second switch resetting the touch sensing signal transmitted through the first switch.
    Type: Grant
    Filed: November 8, 2021
    Date of Patent: December 20, 2022
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Wooram Oh, KyungSu Ha
  • Patent number: 11531425
    Abstract: A method for operating an input device, the method involving obtaining a number of non-sinusoidal transmitter signals with unique base frequencies, and selecting a sampling frequency of an analog-to-digital converter (ADC) such that a number of aliasing artifacts associated with higher harmonics of the non-sinusoidal transmitter signals is located at frequencies different from the base frequencies.
    Type: Grant
    Filed: December 28, 2021
    Date of Patent: December 20, 2022
    Assignee: Synaptics Incorporated
    Inventor: Guozhong Shen
  • Patent number: 11531439
    Abstract: An input device includes transmitter electrodes disposed in a sensing region of the input device, a receiver electrode in the sensing region, and a processing system. The processing system includes demodulators, and is configured to simultaneously drive at least a subset of the transmitter electrodes using a multitude of transmitter signals with unique frequencies. The processing system is also configured to receive, on the receiver electrode, a resulting signal, and demodulate, using the plurality of demodulators, the resulting signal to generate a multitude, of sensing signals. Each of the of the demodulators operates on a different frequency of the unique frequencies.
    Type: Grant
    Filed: November 3, 2021
    Date of Patent: December 20, 2022
    Assignee: Synaptics Incorporated
    Inventors: Guozhong Shen, Chunbo Liu