Patents Examined by Temesghen Ghebretinsae
  • Patent number: 11481061
    Abstract: An apparatus (73) for processing signals from a touch panel (10) is described. The touch panel (10) includes a layer of piezoelectric material (16) disposed between a number of sensing electrodes (14, 20) and at least one common electrode (15). The apparatus (73) includes a capacitive touch controller (69) for connection to the sensing electrodes (14, 20). The apparatus (73) also includes a switch network (74) including a number of inputs for connection to some or all of the sensing electrodes (14, 20), and an output connected to system ground or a common mode voltage (VCM). The apparatus (73) also includes a second circuit (24, 44) for connection to the at least one common electrode (15) and configured to generate, based on signals received from the at least one common electrode, a second pressure signal (30) indicative of a total pressure applied to the touch panel (10).
    Type: Grant
    Filed: August 11, 2021
    Date of Patent: October 25, 2022
    Assignee: Cambridge Touch Technologies Ltd.
    Inventors: Michael Astley, Babak Bastani, Riccardo Micci, Arokia Nathan, Paul Routley, Xiang Cheng, Jiahao Li
  • Patent number: 11481064
    Abstract: A display device includes: a display panel including a first substrate and a second substrate which are partitioned into a display region and a non-display region formed outside the display region; and a touch sensor including a plurality of touch electrodes overlapping the display region and formed on the second substrate, a plurality of pads overlapping the non-display region and formed on the second substrate, and a plurality of touch lines connecting the plurality of pads and the plurality of touch electrodes, wherein at least some of the touch lines includes a region having a first width and a region having a second width wider than the first width.
    Type: Grant
    Filed: May 28, 2019
    Date of Patent: October 25, 2022
    Inventor: Hwan Hee Jeong
  • Patent number: 11468844
    Abstract: A display device may include a first pixel coupled to an emission control line, and an emission control stage for selectively coupling the emission control line to a first or second supply voltage line. The emission control stage may include: a first emission control transistor including a first electrode coupled to the first supply voltage line, a second electrode coupled to the emission control line, and a main gate electrode coupled to a first node; a second emission control transistor including a first electrode coupled to the emission control line, a second electrode coupled to the second supply voltage line, and a main gate electrode coupled to a second node; and a third emission control transistor including a first electrode coupled to the first supply voltage line, a second electrode coupled to the first node, a main gate electrode coupled to the second node, and a sub-gate electrode.
    Type: Grant
    Filed: February 10, 2021
    Date of Patent: October 11, 2022
    Inventors: Seong Min Wang, Young In Hwang, Jin Woo Park, Yong Ho Yang
  • Patent number: 11467047
    Abstract: A force sensing device includes: a substrate disposed inside a housing and spaced apart from inner side surfaces of a first force member and a second force member; a first inductor element mounted on a first surface of the substrate and spaced apart from the first force member, the first inductor element having a first inductance, variable at a time of force input pressing the first force member; a second inductor element mounted on the first surface of the substrate and spaced apart from the second force member, the second inductor element having a second inductance, variable at a time of force input; and a support member having one end contacting the first surface of the substrate between the first inductor element and the second inductor element and another end contacting an inner side surface of the housing between the first force member and the second force member.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: October 11, 2022
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Byung Joo Hong, Joo Yul Ko, Je Hyuk Ryu
  • Patent number: 11455959
    Abstract: A display device according to an exemplary embodiment of the invention includes: a substrate; an active pattern including a semiconductor material disposed on the substrate; a first conductive layer disposed on the active pattern, the first conductive layer including a plurality of scan lines and a driving gate electrode; a second conductive layer disposed on the first conductive layer, the second conductive layer including an initialization voltage line to transmit an initialization voltage; a third conductive layer disposed on the second conductive layer, the third conductive layer including a driving voltage line to transmit a driving voltage; a fourth conductive layer disposed on the third conductive layer, the first conductive layer including a first data line that transmits a data signal; and a pixel electrode layer disposed on the fourth conductive layer, the pixel electrode layer including a plurality of pixel electrodes, wherein the third conductive layer includes a connection member that is electric
    Type: Grant
    Filed: December 5, 2019
    Date of Patent: September 27, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Gyung Soon Park, Min Kyu Woo, Jun Ki Jeong
  • Patent number: 11442564
    Abstract: The present disclosure relates to the technical field of display devices, and discloses a touch display device and a fabrication method thereof, and terminal equipment. The touch display device includes: a cover plate; a mold frame, including a bottom and an extended part, wherein the bottom and the extended part define a groove; adhesive, located at the end part of the extended part; a touch display module, located in the groove and including a display panel and a touch panel located at the side, facing the cover plate, of the display panel; and a touch flexible printed circuit board, bound to a side edge of the side, facing away from the display panel, of the touch panel and bent to the side, facing away from the touch panel, of the display panel, wherein the touch flexible printed circuit board is provided with a plurality of through holes at the area other than the binding position.
    Type: Grant
    Filed: March 26, 2020
    Date of Patent: September 13, 2022
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY CO., LTD.
    Inventors: Bing Ji, Xiaoxia Huang
  • Patent number: 11433937
    Abstract: A vehicle and a steering unit can improve safety. A vehicle includes a steering wheel and a touchpad disposed on the steering wheel. The vehicle enables control of a controlled apparatus by a gesture on the touchpad of the steering wheel upon detecting a predetermined pressure on the touchpad of the steering wheel and provides a tactile sensation from the touchpad in accordance with the gesture on the touchpad of the steering wheel.
    Type: Grant
    Filed: October 3, 2014
    Date of Patent: September 6, 2022
    Assignee: KYOCERA Corporation
    Inventor: Kazuhiro Murakami
  • Patent number: 11435842
    Abstract: A touch display device including: first and second substrates facing and spaced apart from each other, the first and second substrates including red, green and blue sub-pixels; a polarizing layer on an outer surface of the first substrate; a pixel electrode and a common electrode in each of the red, green and blue sub-pixels on an inner surface of the first substrate; a color filter layer on an inner surface of the second substrate; a wire grid polarizing layer on the color filter layer, the wire grid polarizing layer including a plurality of bars, and a touch signal applied to the wire grid polarizing layer; a liquid crystal layer between the first and second substrates; and a backlight unit under the first substrate.
    Type: Grant
    Filed: May 16, 2018
    Date of Patent: September 6, 2022
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Sang-Soon Yoon, You-Hyun Eom, Song-Yi Jeong
  • Patent number: 11429240
    Abstract: A touch sensor (1) for combined capacitive touch and force sensing is described. The touch sensor (1) includes number plurality of first electrodes (4) and a number of second electrodes (5). The second electrodes (5) are insulated from the first electrodes (4). The first and second electrodes (4, 5) form a grid for capacitive touch sensing. The touch sensor (1) also includes a transparent cover (6). The touch sensor (1) also includes a transparent piezoelectric film (3) arranged between the transparent cover (6) and the first and second electrodes (4, 5). The touch sensor (1) also includes a patterned counter electrode (8) disposed between the transparent piezoelectric film (3) and the transparent cover (6). The patterned counter electrode (8) is a conductive grid formed from the union of plurality of counter electrode line elements (9). A pitch of the counter electrode line elements (9) is larger than a pitch of the first electrodes (4) and/or second electrodes (5).
    Type: Grant
    Filed: January 23, 2020
    Date of Patent: August 30, 2022
    Assignee: Cambridge Touch Technologies Ltd.
    Inventors: Constantinos Tsangarides, Paridhi Sharma, Michael Astley, Arokia Nathan, Xiang Cheng, Jiahao Li
  • Patent number: 11423855
    Abstract: A novel display panel that is highly convenient or reliable is provided. A pixel circuit includes a first switch, a node, a capacitor, and a second switch. The first switch includes a first terminal to which a first signal is supplied and a second terminal electrically connected to the node. The capacitor includes a first terminal electrically connected to the node and a second terminal electrically connected to the second switch. The second switch includes a first terminal to which a second signal is supplied and a second terminal electrically connected to the second terminal of the capacitor. In addition, the second switch has a function of changing from a non-conducting state to a conducting state when the first switch is in a non-conducting state and a function of changing from a conducting state to a non-conducting state when the first switch is in a non-conducting state. The display element performs display on the basis of a potential of the node.
    Type: Grant
    Filed: December 11, 2018
    Date of Patent: August 23, 2022
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Kouhei Toyotaka, Kei Takahashi, Koji Kusunoki, Kazunori Watanabe, Susumu Kawashima
  • Patent number: 11424300
    Abstract: A display apparatus includes a thin-film encapsulation layer covering pixel on a substrate and including a first inorganic encapsulation layer, an organic encapsulation layer, and a second inorganic encapsulation layer having a different length from that of the first inorganic encapsulation layer, a touch electrode located on the thin-film encapsulation layer, a touch contact line spaced apart from the thin-film encapsulation layer and located outside the thin-film encapsulation layer, an insulating layer located on the touch contact line, a touch contact hole formed in the insulating layer and spaced apart from the thin-film encapsulation layer, and a touch connection line extending from the touch electrode toward the touch contact hole and connected to the touch contact line through the touch contact hole.
    Type: Grant
    Filed: September 26, 2020
    Date of Patent: August 23, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kiho Bang, Yonghwan Park
  • Patent number: 11417260
    Abstract: A display device includes: a first pixel coupled to a first data line; a second pixel coupled to a second data line; a first node to receive a first node voltage; a first grayscale voltage generator for generating first grayscale voltages; a second grayscale voltage generator for generating second grayscale voltages; and a data driver configured to apply, to the first data line, a first data signal generated based on one of the first grayscale voltages, and to apply, to the second data line, a second data signal generated based on one of the first node voltage, the first grayscale voltages, and the second grayscale voltages.
    Type: Grant
    Filed: December 6, 2019
    Date of Patent: August 16, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ho Seok Han, Gyung Hyun Ko
  • Patent number: 11410583
    Abstract: An electronic device includes a housing, a flexible display, a camera, and a processor. The housing includes a first housing and a second housing coupled to and movable with respect to the first housing. The flexible display including an exposed area that is a first size when the electronic device is in a first state and a second size when the second housing moves and the electronic device is switched into a second state. The processor is configured to acquire an image having a designated aspect ratio through the camera. The processor is also configured to display a first area of the image on the exposed area corresponding to the first size when the electronic device is in the first state and display a second area of the image on the exposed area corresponding to the second size when the electronic device is in the second state.
    Type: Grant
    Filed: May 20, 2021
    Date of Patent: August 9, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Raetae Kim, Wankyu Kim, Yongjin Kwon, Jookwan Lee, Youngmin Ji, Soyoung Lee
  • Patent number: 11404028
    Abstract: Disclosed in some examples are display systems, methods, devices, and machine-readable mediums which provide for a gesture-based method for specifying a region of a display in which to show shared content. Also disclosed are pairing methods for associating the region of the display with a content source device, methods for sharing content within the region, and methods for providing input from the region back to the content source device.
    Type: Grant
    Filed: December 16, 2019
    Date of Patent: August 2, 2022
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Amer Aref Hassan, Wei-Chen Chen
  • Patent number: 11403980
    Abstract: A discharge control circuit for a display panel includes a flip-flop configured to generate a representation of a power supply voltage of the display panel based on the power supply voltage, the representation of the power supply voltage enabling a discharge condition under which a pixel array of the display panel is discharged to be not satisfied upon power-on or during operation of the display panel and to be satisfied upon shutdown of the display panel; and a level shifter configured to level-shift timing signals for controlling operation of the pixel array, to provide the level-shifted timing signals to the display panel, and to initiate discharge of the pixel array in response to the discharge condition being satisfied.
    Type: Grant
    Filed: October 25, 2017
    Date of Patent: August 2, 2022
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Jianjun Wang, Min Wang, Rui Ma
  • Patent number: 11393431
    Abstract: It is provided that a display system including a HMD and a smartphone connected to the HMD, wherein the HMD configured to visually recognize an external scene and display a first image overlapping the external scene, the smartphone includes a display panel configured to display a second image, a touch sensor arranged at the display panel, a first determination unit configured to determine whether the display panel is facing the HMD, a detection unit configured to detect a position of the display panel with respect to the HMD, a second determination unit configured to determine whether the position of the display panel is included in the first image, and an adjustment unit configured to adjust display of the first image on an image display unit based on a determination result of the first determination unit and a determination result of the second determination unit.
    Type: Grant
    Filed: February 20, 2020
    Date of Patent: July 19, 2022
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Shinichi Kobayashi
  • Patent number: 11392241
    Abstract: An electrode connection structure includes a substrate layer, a plurality of pads on the substrate layer, and an insulation layer at least partially covering the substrate layer and the pads. The insulation layer includes a plurality of holes on the pads and at least one first groove line extending between the pads neighboring each other.
    Type: Grant
    Filed: October 25, 2018
    Date of Patent: July 19, 2022
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Byung Jin Choi, Jae Hyun Lee
  • Patent number: 11385731
    Abstract: A method of manufacturing a transparent conductive film for a touch sensitive panel, comprising: providing a layered structure comprising a plurality of homogeneous layers which include at least a first transparent conductive layer, a second transparent conductive layer, and a transparent support substrate between the first transparent conductive layer and the second transparent conductive layer, the transparent support substrate being the thickest layer of the layered structure; forming an electrode pattern in the first transparent conductive layer by laser ablation of the first transparent layer by a laser beam incident on the first transparent layer from a side of the transparent support substrate on which the first transparent layer is provided; wherein the laser beam and transparent support substrate are configured such that the laser beam energy density is reduced by 50% or more by the transparent support substrate.
    Type: Grant
    Filed: February 19, 2019
    Date of Patent: July 12, 2022
    Assignee: M-SOLV LIMITED
    Inventors: Philip Rumsby, Adam Brunton
  • Patent number: 11335245
    Abstract: A first light emitting diode has a first driving input, and emits a red color light. A second light emitting diode has a second driving input, and emits a green color light. A third light emitting diode has a third driving input, and emits a blue color light. When a first current is applied to the third driving input, the third light emitting diode produces a first amount of blue light energy. When a second current is applied to the third driving input, the third light emitting diode produces a second amount of the blue light energy. The second amount of blue light energy corresponds to a percentage of blue energy reduction as compared to the amount of first blue light energy.
    Type: Grant
    Filed: July 21, 2020
    Date of Patent: May 17, 2022
    Assignee: Dell Products L.P.
    Inventors: Stefan Peana, Deeder M. Aurongzeb
  • Patent number: 11327595
    Abstract: An electronic device according to various embodiments of the present invention comprises: a housing including a first surface facing a first direction and a second surface facing a second direction opposite to the first direction; a touch screen display disposed between the first surface and the second surface and exposed through the first surface; a pressure sensor disposed between the first surface and the second surface and configured to sense at least one pressure by an external object on the touch screen display; at least one processor electrically connected to the touch screen display and the pressure sensor; and a memory electrically connected to the processor, wherein the memory may store instructions which cause the processor to receive, from the pressure sensor, data indicating pressure by a user or the external object on the touch screen display, determine a rate of pressure change corresponding to a change of the pressure per unit time, and call a function on the basis of at least a part of at lea
    Type: Grant
    Filed: September 5, 2017
    Date of Patent: May 10, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seung-Min Choi, Kyu-Hong Kim, So-Young Kim, Doo-Suk Kang, Geon-Soo Kim, Yo-Han Lee, Bo-Kun Choi