Patents Examined by Joseph R. Haley
  • Patent number: 11036958
    Abstract: A light emitting display panel and a manufacture method thereof, and a display device are provided. The light emitting display panel includes a display region and a periphery region; the periphery region includes a first wire; the display region includes a light shielding layer and a fingerprint detection circuit; the light shielding layer includes at least one opening, the at least one opening at least partially overlaps the fingerprint detection circuit in a direction perpendicular to a panel surface of the display panel to allow light passing through the opening to be incident onto the fingerprint detection circuit, and the light shielding layer and the first wire are in same one layer.
    Type: Grant
    Filed: October 2, 2018
    Date of Patent: June 15, 2021
    Inventors: Kuo Sun, Yang Wang, Guoqiang Ma
  • Patent number: 11009733
    Abstract: A detection device includes a plurality of drive electrodes, wherein: in a first mode, a first drive electrode block including a first number of the drive electrodes are supplied with a first drive signal; in a second mode, a second drive electrode block including a second number of the drive electrodes are supplied with a second drive signal; and the first number is different from the second number.
    Type: Grant
    Filed: May 28, 2019
    Date of Patent: May 18, 2021
    Assignee: Japan Display Inc.
    Inventors: Koji Ishizaki, Kouji Noguchi, Tsutomu Harada, Takeya Takeuchi, Yoshitoshi Kida, Takayuki Nakanishi
  • Patent number: 11004376
    Abstract: A scan driver for a display device includes scan signal output circuits connected to each other through scan lines. Each scan signal output circuit includes: a drive circuit to apply a first drive signal to a first drive node, to apply a second drive signal to a second drive node, and to apply a connection signal to a connection signal output node based on i) an input signal which is one of either a scan start signal or a scan signal applied by another scan signal output circuit, ii) a clock signal, and iii) an on-level voltage; and a buffer circuit to receive the connection signal, the first drive signal, and the second drive signal from the drive circuit, and to output one of scan signals to one of the scan lines based on the first drive signal, the second drive signal, and the clock signal.
    Type: Grant
    Filed: November 11, 2019
    Date of Patent: May 11, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yang Hwa Choi, Sun Kwang Kim, Sang Jin Jeon
  • Patent number: 11003285
    Abstract: A projector includes a communication section that accepts image information supplied from an image supplying apparatus, an image projection section that displays an image based on the image information on a display surface, a detector that detects a pointing position on the display surface at which a light emitting pen is pointing, a drawn image generator that generates a drawn image based on the pointing position detected by the detector, a display controller that causes the image projection section to display the drawn image, and a storage that stores the drawn image in association with the IP address. In a case where the image supplying apparatus, which supplies the communication section with the image information, is changed, the display controller reads the drawn image corresponding to the IP address of the changed image supplying apparatus from the storage and causes the image projection section to display the read drawn image.
    Type: Grant
    Filed: November 8, 2019
    Date of Patent: May 11, 2021
    Inventor: Yoshitaka Nakashin
  • Patent number: 10996765
    Abstract: A controller for finger gesture recognition, including a griping body, a manipulating component and a sensing component, is provided. The griping body includes a head portion and a griping portion which is opposite to the head portion and includes a plurality of finger contact areas. The manipulating component is disposed on the head portion, and the sensing component includes a plurality of finger sensors which are disposed in the finger contact areas, respectively. A method for recognizing finger gesture is also provided, including steps of: receiving a signal of finger movement from the controller, wherein the signal of finger movement is generated by at least one of the finger sensors sensing that at least one of user's fingers contacts or approaches the controller; determining a finger gesture constituted by the fingers according to the signal of finger movement; and generating a signal of finger gesture corresponding to the finger gesture.
    Type: Grant
    Filed: January 8, 2020
    Date of Patent: May 4, 2021
    Inventors: Wan-Hsieh Liu, Chou-Wei Wu, Wei-Gang Tsai, Chih-Ting Chen
  • Patent number: 10997387
    Abstract: Provided is a fingerprint recognition circuit, including a resetting sub-circuit, a fingerprint sensing sub-circuit, a signal acquiring sub-circuit, and a driving sub-circuit, the resetting sub-circuit is connected to the reading node, the resetting port, a first port for resetting the reading node; the fingerprint sensing sub-circuit is connected to the reading node for acquiring fingerprint information, converting it into a detection signal to output to the reading node; the signal acquiring sub-circuit is connected to the reading node, the driving sub-circuit and a power port to output a signal of the reading node to the driving sub-circuit; the driving sub-circuit is connected to a reading port, the signal acquiring sub-circuit, an output port and a second port, outputs the signal output by the signal acquiring sub-circuit through the reading port in a fingerprint recognition stage, outputs the signal of the reading port to the output port in a display stage.
    Type: Grant
    Filed: February 24, 2018
    Date of Patent: May 4, 2021
    Inventors: Changfeng Li, Haisheng Wang, Yingming Liu, Xiaoliang Ding, Rui Xu, Pengpeng Wang, Wei Liu, Pinchao Gu, Yunke Qin, Yuzhen Guo, Pengcheng Lu
  • Patent number: 10991319
    Abstract: Provided are a scan line, a data line, a pixel circuit provided corresponding to an intersection between the scan line and the data line, and an enable line. The pixel circuit includes a memory circuit, a light-emitting element, and an enable line driving circuit, the light-emitting element changes luminance in accordance with an image signal retained in the memory circuit, the enable line driving circuit controls a light emission enabled state of the light-emitting element, the pixel circuit includes a first pixel circuit, a second pixel circuit, a third pixel circuit, and a fourth pixel circuit, the enable line includes a first enable line and a second enable line, the first pixel circuit and the second pixel circuit are electrically connected with the first enable line, and the third pixel circuit and the fourth pixel circuit are electrically connected with the second enable line.
    Type: Grant
    Filed: October 8, 2019
    Date of Patent: April 27, 2021
    Inventors: Mitsutoshi Miyasaka, Yoichi Momose, Kiyoshi Sekijima
  • Patent number: 10986252
    Abstract: The present disclosure generally relates to methods and devices for providing touch accommodations to users with tremors or other fine motor impairments to improve the accuracy of such users' touch inputs on touch-sensitive surfaces. Such methods and devices include various approaches for compensating for brief, inadvertent touch inputs; touch inputs with inadvertent motion across the touch-sensitive surface; and/or touch inputs with inadvertent recoil contacts. In some embodiments, the touch accommodations are implemented in a software layer separate from the application layer, such as the operating system.
    Type: Grant
    Filed: August 7, 2019
    Date of Patent: April 20, 2021
    Assignee: Apple Inc.
    Inventors: Christopher Fleizach, Clare Kasemset, Nandini Kannamangalam Sundara Raman
  • Patent number: 10977987
    Abstract: Display systems, devices and methods that utilize one or more native display elements as photo-sensing elements to detect light. A display device includes a plurality of light-emitting diode (LED) pixel elements arranged in an array having a plurality of columns and a plurality of rows, and a control circuit configured to selectively activate a first LED pixel element to emit light, and simultaneously activate a second LED pixel element to detect light.
    Type: Grant
    Filed: February 8, 2019
    Date of Patent: April 13, 2021
    Assignee: Synaptics Incorporated
    Inventor: Kirk Hargreaves
  • Patent number: 10977468
    Abstract: An optical unit and a display device including same. The optical unit is for a fingerprint sensor of the display device, and the optical unit includes a first prism to block light rays incident at an angle greater than a detection target incident angle; and a second prism disposed under the first prism to block light rays incident at an angle less than the detection target incident angle.
    Type: Grant
    Filed: June 6, 2019
    Date of Patent: April 13, 2021
    Inventors: Ji Hun Ryu, Katsumasa Yoshii, Yun Ho Kim, Il Nam Kim, Eun Jin Sung
  • Patent number: 10978520
    Abstract: The present disclosure provides a display device, including: an organic encapsulation layer, an area enclosed by a boundary of the organic encapsulation layer being a first area; and a first dam surrounding the display area, a second area being arranged between the first area and the first dam. A first touch lead is arranged in the second area, and a first protrusion is arranged between the first touch lead and the substrate. For the display device provided by the present disclosure, an actual width of the first touch lead is larger than a width of its projection onto the substrate. In a case of occupying a same bottom area, a resistance of the first touch lead in the present disclosure is greatly reduced, which greatly improves driving ability of the IC.
    Type: Grant
    Filed: November 7, 2019
    Date of Patent: April 13, 2021
    Assignee: WuHan TianMa Micro-electronics CO., LTD.
    Inventors: Linshan Guo, Zhonghuan Cao, Peng Shen, Jun Yan, Zaiwu Feng
  • Patent number: 10977475
    Abstract: A fingerprint recognition sensor according to an exemplary embodiment of the present invention includes: a photo sensor for sensing light that is diffuse-reflected from a finger of a user and incident on the photo sensor, or that is transmitted through the finger and incident on the photo sensor; a first matrix positioned on the photo sensor and including a first opening; a second matrix positioned on the first matrix and including a second opening; and a cover layer including one surface contacting the finger and positioned on the second matrix, wherein, from among light that is diffuse-reflected from the finger and incident on the cover layer or that is transmitted through the finger and incident on the cover layer, light having an angle, formed by a normal line on the one surface of the cover layer and a path of the light incident on the cover layer, that is greater than a critical angle, sequentially passes through the second opening and the first opening and is incident on the photo sensor.
    Type: Grant
    Filed: July 5, 2019
    Date of Patent: April 13, 2021
    Inventors: Jong Woo Jin, Jin Hyeong Yu, Hyunwoo Jin, Jun Woo Chung, Youn Duck Nam
  • Patent number: 10970512
    Abstract: A fingerprint sensing apparatus having a large-area sensing mechanism is provided that includes at least three optical fingerprint sensing circuits and a processing circuit. The at least three optical fingerprint sensing circuits are configured to perform sensing within a plurality of sensing areas to obtain a plurality of sensed images, wherein each of the sensing areas corresponds to one of the optical fingerprint sensing circuits. The processing circuit is electrically coupled to the optical fingerprint sensing circuits to receive the sensed images and is configured to splice the sensed images together to form an integrated sensed image.
    Type: Grant
    Filed: May 29, 2019
    Date of Patent: April 6, 2021
    Assignee: NOVATEK Microelectronics Corp.
    Inventors: Jung-Chen Chung, Chi-Ting Chen
  • Patent number: 10963115
    Abstract: A position indicator can visibly form handwriting, and can erase the handwriting and simultaneously erase corresponding electronic data. The position indicator includes a casing including a first indicating portion and a second indicating portion. The first indicating portion includes a core body capable of visually forming handwriting corresponding to a writing operation of the position indicator, and a first circuit element that enables a position indicated on a sensor surface to be detected by a sensor. The second indicating portion includes an erasing member that projects from the casing, which visually erases the handwriting formed by the core body, and a second circuit element that enables a position indicated on the sensor surface to be detected by the sensor. The second indicating portion includes a holder that holds the erasing member with respect to the casing, and the holder includes a member that contributes to an interaction with the sensor.
    Type: Grant
    Filed: August 30, 2019
    Date of Patent: March 30, 2021
    Assignee: Wacom Co., Ltd.
    Inventor: Yasuo Oda
  • Patent number: 10956702
    Abstract: Disclosed are an apparatus for recognizing a fingerprint, a display device, and the apparatus includes: a display panel, light sources, a supporting element, an optically-coupling element, a photo-detecting element on optical paths of the light sources, a processing element; the light sources, the supporting element are on side of a second surface of the display panel; the supporting element supports light sources so that light rays exiting light sources are incident obliquely onto the display panel; the optically-coupling element, the photo-detecting element are on the second surface; the photo-detecting element is on side of the optically-coupling element away from light sources; the optically-coupling element makes light rays emitted from light sources totally reflect in the display panel; the photo-detecting element detects exiting light after light rays exiting the light sources are reflected by the display panel, transmits detected signals to the processing element; the processing element determines a f
    Type: Grant
    Filed: May 29, 2019
    Date of Patent: March 23, 2021
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Lei Wang, Haisheng Wang, Yingming Liu, Xiaoliang Ding, Changfeng Li, Xiaoquan Hai
  • Patent number: 10936094
    Abstract: A touch pen includes a microphone that detects contact sound generated when a nib contacts an input surface of a touch panel, a voice generator that generates pseudo voice based on the contact sound detected by the microphone, and a voice outputter that outputs the pseudo voice generated by the voice generator.
    Type: Grant
    Filed: December 2, 2019
    Date of Patent: March 2, 2021
    Inventor: Naoki Tamura
  • Patent number: 10937383
    Abstract: A display device and method of operation that provides self-generated power. The device includes: a display portion including a plurality of pixels; a data driver applying a data signal to data lines connected to the plurality of pixels; a signal controller transmitting an image data signal for generation of the data signal to the data driver; a power supply generating a driving voltage for operation of the signal controller and the data driver; a thermoelectric generation portion generating electrical energy by using heat generated by at least one of the signal controller, the power supply, and the data driver; and a converter generating an auxiliary driving voltage that is the same as the driving voltage by using the electrical energy.
    Type: Grant
    Filed: September 13, 2019
    Date of Patent: March 2, 2021
    Inventors: Yeon-Sun Na, Bo-Ram Kang, Jeong Hun Go, Jae Hoon Lee
  • Patent number: 10928613
    Abstract: A head-mounted display may include a display system and an optical system in a housing. The display system may have a pixel array that produces light associated with images. The display system may also have a linear polarizer through which light from the pixel array passes and a quarter wave plate through which the light passes after passing through the quarter wave plate. The optical system may be a catadioptric optical system having one or more lens elements. The lens elements may include a plano-convex lens and a plano-concave lens. A partially reflective mirror may be formed on a convex surface of the plano-convex lens. A reflective polarizer may be formed on the planar surface of the plano-convex lens or the concave surface of the plano-concave lens. An additional quarter wave plate may be located between the reflective polarizer and the partially reflective mirror.
    Type: Grant
    Filed: January 30, 2020
    Date of Patent: February 23, 2021
    Assignee: Apple Inc.
    Inventors: Sajjad A. Khan, Nan Zhu, Graham B. Myhre, Brent J. Bollman, Tyler Anderson, Weibo Cheng, John N. Border
  • Patent number: 10929633
    Abstract: Embodiments of the disclosure relate to a fingerprint identification device, a touch display panel, and a method for driving a fingerprint identification device. The fingerprint identification device for identification of a fingerprint of a finger, includes: at least one resonant chamber; and at least one ultrasonic generating and detecting device provided opposite to the at least one resonant chamber; each of the at least one ultrasonic generating and detecting device is configured to generate initial ultrasonic signals having a frequency which is identical to an initial intrinsic frequency of the resonant chamber in a condition of being untouched by the finger, and each of the at least one ultrasonic generating and detecting device is also configured to convert the ultrasonic signals reflected by ridges and valleys of the finger into electrical signals, and to determine information on pattern of the finger depending on the electrical signals.
    Type: Grant
    Filed: July 17, 2017
    Date of Patent: February 23, 2021
    Inventors: Shengji Yang, Xue Dong, Hailin Xue, Xiaochuan Chen, Haisheng Wang, Yingming Liu, Lei Wang, Xiaoliang Ding, Rui Xu, Pengcheng Lu
  • Patent number: 10929639
    Abstract: An encoding method and system for a fingerprint of thing according to the present application is disclosed. Based on images of human fingerprints, at least one characteristic of fingerprint is provided on at least friction ridge lines so as to enable the encodement in the form of numbers and/or alphabets, and thereby a fingerprint image including the specific information are formed and can be used for labelling products with codes. The fingerprint image includes the specific information of a thing, and when attached onto said thing, is also unique similar to a fingerprint of an individual. Such fingerprint image for representing the specific identification information of a thing using minutia of finger can be referred to as fingerprint of thing (FOT).
    Type: Grant
    Filed: December 14, 2017
    Date of Patent: February 23, 2021
    Assignee: FOT Tech (Shanghai) Co., Ltd
    Inventor: Jiwen Lu