Patents Examined by Patrick F Marinelli
  • Patent number: 11455956
    Abstract: Disclosed is a shift register, a gate driving circuit, a display apparatus and a driving method, the shift register including a first input sub-circuit, configured to receive a first input signal from a first input terminal and output a banking output control signal to a first node in a blanking period of time of a frame; a second input sub-circuit, configured to receive a second input signal from a second input terminal and output a display output control signal to the first node in a display period of time of the frame; an output sub-circuit, configured to output a composite output signal via an output terminal under control of a first node, wherein the composite output signal includes a display output signal outputted in a display period of time and a blanking output signal outputted in a blanking period of time which are independent of each other.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: September 27, 2022
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xuehuan Feng, Yongqian Li
  • Patent number: 11455826
    Abstract: A method for identifying a fingerprint, a fingerprint identification apparatus and an electronic device are provided. The method includes: acquiring light signals in multiple directions reflected via a sampled object above a display screen; generating a plurality of two-dimensional 2D fingerprint images respectively based on the light signals; determining whether the sampled object is a three-dimensional 3D object based on the plurality of 2D fingerprint images; and if the sampled object is the 3D object, performing fingerprint identification based on at least one of the plurality of 2D fingerprint images. A distinction between a 2D object and a 3D object is effectively achieved through the light signals in the multiple directions, and when the sampled object is a 3D object, subsequent fingerprint identification is performed, which fundamentally avoids performing the fingerprint identification based on a fake fingerprint captured by a 2D object, thereby improving security of the fingerprint identification.
    Type: Grant
    Filed: June 25, 2021
    Date of Patent: September 27, 2022
    Assignee: SHENZHEN GOODIX TECHNOLOGY CO., LTD.
    Inventors: Xiang Zhong, Weiwen Chen
  • Patent number: 11455821
    Abstract: An electronic device includes a touch panel that includes a plurality of row touch lines and a plurality of column touch lines, a touch driver that controls the plurality of row touch lines and the plurality of column touch lines to obtain secondary biometrics including touch profile information, first indicator information, and second indicator information associated with a fingerprint of a user being in contact with the touch panel, in a fingerprint sensing mode of the electronic device, a fingerprint sensor that obtains fingerprint information about the fingerprint of the user, in the fingerprint sensing mode of the electronic device, an authentication module that performs a fingerprint matching operation and an anti-spoofing operation based on the fingerprint information and the secondary biometrics to output an authentication result, and an application processor that performs a security operation based on the authentication result.
    Type: Grant
    Filed: July 12, 2021
    Date of Patent: September 27, 2022
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Yeolmin Seong, Seongwook Song, Kiup Kim, Yoonkyung Choi
  • Patent number: 11450275
    Abstract: Provided are a pixel driving circuit, a display panel and a driving method. The pixel driving circuit includes a drive transistor, a data write module, a light emission control module, a threshold compensation module and a bias adjustment module. The control terminal of the drive transistor is connected to the first node. The first terminal of the drive transistor is connected to a third node. The second terminal of the drive transistor is connected to a second node. The light emission control module is connected in series with the drive transistor and connected in series with a light-emitting element. The threshold compensation module is connected in series between the control terminal of the drive transistor and the second terminal of the drive transistor. The first terminal of the bias adjustment module is connected to a bias signal terminal. The second terminal of the bias adjustment module is connected to the second terminal of the drive transistor.
    Type: Grant
    Filed: February 1, 2021
    Date of Patent: September 20, 2022
    Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Jieliang Li, Gaojun Huang
  • Patent number: 11449224
    Abstract: The selective rejection of touch contacts in an edge region of a touch sensor panel is disclosed. In addition, by providing certain exceptions to the rejection of edge contacts, the functionality of the touch sensor panel can be maximized. Contacts in edge bands around the perimeter of a touch sensor panel can be ignored. However, if a contact in the edge band moves beyond a threshold distance or speed, it can be recognized as part of a gesture. To accommodate different finger sizes, the size of the edge band can be modified based on the identification of the finger or thumb. Furthermore, if contacts in the center region of a touch sensor panel track the movement of contacts in the edge band, the contacts in the edge band can be recognized as part of a gesture.
    Type: Grant
    Filed: August 13, 2020
    Date of Patent: September 20, 2022
    Assignee: Apple Inc.
    Inventor: Wayne Carl Westerman
  • Patent number: 11430386
    Abstract: A display apparatus includes a display, a loudspeaker and a controller. The controller is configured to: perform, based on one or both of (i) image information of an image that is displayed on the display, and (ii) sound information of sound that is output from the loudspeaker, electric current control processing that controls a sum of an electric current to be supplied to the display and an electric current to be supplied to the loudspeaker.
    Type: Grant
    Filed: June 29, 2021
    Date of Patent: August 30, 2022
    Assignee: DENSO TEN Limited
    Inventor: Nobuaki Kajimoto
  • Patent number: 11430845
    Abstract: A potential of a gate of a driving transistor is fixed, and the driving transistor is operated in a saturation region, so that a current is supplied thereto anytime. A current control transistor operating in a linear region is disposed serially with the driving transistor, and a video signal for transmitting a signal of emission or non-emission of the pixel is input to a gate of the current control transistor via a switching transistor.
    Type: Grant
    Filed: December 23, 2019
    Date of Patent: August 30, 2022
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Mitsuaki Osame, Aya Anzai, Yu Yamazaki, Ryota Fukumoto
  • Patent number: 11422660
    Abstract: A position indicated by a user with a finger or a stylus can be detected even in a case where an edge of a hand on a little finger side or a wrist touches a touch panel. An input device acquires information indicating a plurality of points on a touch panel affected by a user's touch, including the touch with a finger or a stylus, calculates distances between a reference position and at least some of the plurality of points, the reference position indicating a position touched by the user on the touch panel other than with the finger or the stylus, selects one or more points affected by the touch with the finger or the stylus from the at least some of the plurality of points based on the calculated distances, and acquires coordinates of a position indicated by the user based on the selected point.
    Type: Grant
    Filed: August 25, 2020
    Date of Patent: August 23, 2022
    Assignee: RAKUTEN GROUP, INC.
    Inventor: Hiroshi Ukai
  • Patent number: 11423834
    Abstract: A display device includes: a pixel configured to display an image based on image data and a reference voltage; a controller configured to generate reference voltage data corresponding to the reference voltage for restraining leakage current in the pixel based on a frame frequency; and a power supply configured to generate the reference voltage based on the reference voltage data and supply the reference voltage to the pixel.
    Type: Grant
    Filed: January 5, 2021
    Date of Patent: August 23, 2022
    Inventors: Se Hyuk Park, Hong Soo Kim, Jin Young Roh, Hyo Jin Lee, Jae Keun Lim
  • Patent number: 11417142
    Abstract: An optical fingerprint sensing device includes optical sensing pixels, optical blocked pixels and a readout circuit. Each of the optical sensing pixels includes a first photodevice for sensing an illumination through an optical path. The optical sensing pixels are configured to generate sensing signals. Each of the optical blocked pixels includes a second photodevice blocked from the illumination. The optical sensing pixels are configured to generate a plurality of tracking signals. The readout circuit is configured to generate output signals according to differences between the sensing signals and the tracking signals.
    Type: Grant
    Filed: May 19, 2021
    Date of Patent: August 16, 2022
    Assignee: NOVATEK Microelectronics Corp.
    Inventor: Chi-Ting Chen
  • Patent number: 11409394
    Abstract: A liquid crystal display device includes: a first electrode layer provided on a display surface side to prevent noise from being emitted from a display element to the outside; a second electrode layer provided outside the first electrode layer to perform position detection; a hover signal generation unit that generates a detection signal to be input to the second electrode layer and the first electrode layer for detection of an indicator approaching the display surface; a common electrode that applies a common voltage to derive the display element; a cancellation signal generation unit that generates a cancellation signal which cancels a signal component leaking from the first electrode layer to the common electrode; and a voltage addition unit that superimposes a cancellation signal on the common voltage.
    Type: Grant
    Filed: November 13, 2020
    Date of Patent: August 9, 2022
    Assignee: ALPINE ELECTRONICS, INC.
    Inventor: Tomoaki Waragai
  • Patent number: 11402959
    Abstract: A touch structure, a touch panel and a display device are provided. The touch structure includes a plurality of repeating units. Each of the repeating units includes: a first touch electrode extending in a first direction, the first touch electrode including two parts connected with each other, each part of the first touch electrode including a first section having a first width, a second section having a second width, and a first tip section; a second touch electrode extending in a second direction, the second touch electrode including two parts, each part of the second touch electrode including a third section having a third width and a second tip section; and dummy electrodes provided in regions of each of the repeating units not provided with the first touch electrode and the second touch electrode.
    Type: Grant
    Filed: January 8, 2020
    Date of Patent: August 2, 2022
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiaodong Xie, Ming Hu, Min He, Jing Wang, Ming Zhang
  • Patent number: 11386717
    Abstract: A fingerprint inputting method used in an electronic device that includes a display screen and an under-screen fingerprint module. The method includes: displaying a setting interface of fingerprint input having a button of adding fingerprint function; in response to detecting an instruction on the fingerprint adding function, obtaining at least one screen image by the under-screen fingerprint module while a user finger is not pressing a fingerprint identification region; displaying a guiding interface of fingerprint input on the display screen and obtaining a plurality of fingerprint images while the user finger is pressing the fingerprint identification region by the under-screen fingerprint module; and generating a fingerprint model according to the at least one screen image and the plurality of fingerprint images.
    Type: Grant
    Filed: July 16, 2021
    Date of Patent: July 12, 2022
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD
    Inventor: Zeqi Shen
  • Patent number: 11380257
    Abstract: A display panel and a display device. The display panel includes a pixel circuit structure, a data line and a voltage signal line. The data line is connected to the pixel circuit structure to provide a data signal; the voltage signal line is connected to the pixel circuit structure to provide a voltage signal, the voltage signal is a constant voltage signal; the pixel circuit structure includes a first stabilization capacitor provided between the data line and the voltage signal line.
    Type: Grant
    Filed: January 10, 2019
    Date of Patent: July 5, 2022
    Assignees: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chen Xu, Xueguang Hao, Yong Qiao, Xinyin Wu
  • Patent number: 11380277
    Abstract: A gate driver on array (GOA) circuit and a display panel are provided. The GOA circuit includes a plurality of cascaded GOA units. Switching transistor devices are added to an inverter of the GOA unit, and a low-potential signal is output to relevant nodes in the inverter in time to release residual charge of the relevant nodes.
    Type: Grant
    Filed: February 19, 2020
    Date of Patent: July 5, 2022
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD
    Inventor: Suping Xi
  • Patent number: 11380256
    Abstract: A pixel driving circuit may include a first switch circuit, a second switch circuit, a first initialization circuit, a drive circuit, a second initialization circuit, a compensation circuit, an isolation circuit, and an energy storage circuit.
    Type: Grant
    Filed: January 30, 2019
    Date of Patent: July 5, 2022
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Xiaohai Chen
  • Patent number: 11361711
    Abstract: A pixel circuit, comprising: a compensation sub-circuit (30), and a storage sub-circuit (40). The compensation sub-circuit (30) is configured to adjust a potential of a second node (P2) based on a potential of a first node (P1) in response to a first control signal from a first control signal terminal (S1), and to adjust a potential of the control node (P3) based on a potential of a first terminal of a driving transistor (M0) in response to a second control signal from a second control signal terminal (S2). The storage sub-circuit (40) is configured to adjust the potential of the control node (P3) based on the potential of the second node (P2). The driving transistor (M0) is a N-type transistor.
    Type: Grant
    Filed: May 31, 2019
    Date of Patent: June 14, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Tian Dong
  • Patent number: 11361581
    Abstract: An optical sensor includes: a sensing unit including a first sensing electrode, a second sensing electrode spaced apart from the first sensing electrode, and a sensing layer between the first sensing electrode and the second sensing electrode, the sensing layer containing amorphous silicon and germanium (Ge) ions impregnated in the amorphous silicon; and an optical pattern unit on the sensing unit and including a light shielding pattern and a plurality of transmission patterns in the light shielding pattern, wherein the sensing layer includes a first region, a second region, and a third region sequentially arranged from a boundary between the second sensing electrode and the sensing layer toward the first electrode, and a concentration of the germanium (Ge) ions in the amorphous silicon is relatively higher in the second region than in the first region and the third region.
    Type: Grant
    Filed: August 21, 2020
    Date of Patent: June 14, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: SangJin Park, Cha-Dong Kim, Heena Kim, Inkyung Yoo, SungBae Ju, Taehyeok Choi
  • Patent number: 11335256
    Abstract: A pixel circuit, a display panel and a method for improving low gray-level uniformity for a display panel are provided. A feedthrough effect can be effectively reduced by increasing resistance value of a resistor line between a source of a switching thin-film transistor and a gate of a driving thin-film transistor. Low gray-level uniformity of the display panel is improved. Quality of the display panel is enhanced.
    Type: Grant
    Filed: March 26, 2020
    Date of Patent: May 17, 2022
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Shuai Zhou, Yan Xue, Baixiang Han
  • Patent number: 11331588
    Abstract: An example virtual reality headset stand includes a base, a stem, and a docking station. The stem, which extends from the base, is angled toward the base. The docking station, which is attached to the stem, is angled away from the stem. The docking station is contoured to hold a virtual reality headset. The docking station includes a lip connected to the stem, a body portion connected to the lip, and a clip connected to the body portion.
    Type: Grant
    Filed: July 14, 2017
    Date of Patent: May 17, 2022
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Hiroshi Horii, Kevin Smathers, Ian N. Robinson, Alex Thayer