Patents Examined by Yuzhen Shen
  • Patent number: 11631274
    Abstract: A fingerprint processing device includes a match processing unit configured to determine, based on a first degree, a plurality of feature points having a large value of the first degree among the feature points of a fingerprint specified in a fingerprint image of a matching source, the first degree representing a first distance to other feature points, as representative feature points used in match processing of the fingerprint.
    Type: Grant
    Filed: January 29, 2021
    Date of Patent: April 18, 2023
    Assignee: NEC CORPORATION
    Inventor: Akira Hirokawa
  • Patent number: 11630323
    Abstract: A stereoscopic image display device includes a display 11 divided into sections 13 in each of which displayed are small images 12a to 12d each having a plurality of minute images 14, a shutter panel 16 disposed in front of the display 11 and including first mechanical shutters 17, which are arranged side by side in units of the minute image 14 and time-divisionally divide each section 13 per each of the small images 12a to 12d by switching on and off in units of the minute image 14, and an image forming panel 23 including image forming means 24 arranged side by side for forming an image from light rays from each of the small images 12a to 12d passing through the first mechanical shutters 17 when the first mechanical shutters 17 are on.
    Type: Grant
    Filed: December 10, 2019
    Date of Patent: April 18, 2023
    Assignee: ASUKANET COMPANY, LTD.
    Inventor: Makoto Otsubo
  • Patent number: 11626061
    Abstract: A display device includes: a display panel including a display area including pixels and a non-display area adjacent to the display area; a first driving integrated circuit including a first ground terminal, where the first driving integrated circuit is electrically connected to the display panel; a first printed circuit board electrically connected to the first driving integrated circuit; a first plate disposed on a bottom surface of the display panel and overlapping with the first driving integrated circuit; and a second plate disposed on the bottom surface of the display panel and spaced apart from the first plate, where the second plate is electrically connected to a system ground.
    Type: Grant
    Filed: March 23, 2020
    Date of Patent: April 11, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyung Jun An, Jeong Oh Jin
  • Patent number: 11600097
    Abstract: A fingerprint sensing system including a plurality of micro-lenses, a sensor, a shielding structure and a controller is provided. The micro-lenses are arranged in an array. The sensor has a plurality of sensing pixels arranged in an array. The sensor, the shielding structure and the micro-lenses are sequentially arranged along an arrangement direction. The controller is electrically connected to the sensor. A pitch between the micro-lenses is greater than a pitch between the sensing pixels. The controller forms a fingerprint image according to signals of a plurality of output pixels of the sensor, wherein each of the output pixels is one of every at least four of neighboring sensing pixels. An operation method of a fingerprint sensing system is also provided.
    Type: Grant
    Filed: July 21, 2020
    Date of Patent: March 7, 2023
    Assignee: Egis Technology Inc.
    Inventors: Ming-Yuan Cheng, Tang-Hung Po, Yu-Hsuan Lin
  • Patent number: 11600095
    Abstract: An optical fingerprint sensor is provided. The optical fingerprint sensor includes a substrate, a plurality of light-shielding layers and a plurality of groups of microlenses. The substrate has a plurality of photoelectric conversion units disposed therein. The light-shielding layers are sequentially disposed on the substrate. Each light-shielding layer includes a plurality of apertures formed therein. Each group of microlenses is disposed above the apertures formed in an uppermost light-shielding layer and overlies one photoelectric conversion unit.
    Type: Grant
    Filed: October 25, 2019
    Date of Patent: March 7, 2023
    Assignee: VISERA TECHNOLOGIES COMPANY LIMITED
    Inventors: Wei-Ko Wang, Yi-Hua Chiu
  • Patent number: 11594063
    Abstract: Provided are a display module and a display apparatus. The display module includes: sub-pixels arranged in an array along a first direction and a second direction; and an array substrate including an underlay substrate, a fingerprint recognition unit, and a first light-shielding layer. The fingerprint recognition unit includes a photosensitive semiconductor layer, and an orthographic projection of the photosensitive semiconductor layer on a plane of the underlay substrate is located between two adjacent sub-pixels along the second direction. The first light-shielding layer is located on a side of the photosensitive semiconductor layer close to the underlay substrate, and an orthographic projection of the first light-shielding layer on a plane of the photosensitive semiconductor layer completely covers the photosensitive semiconductor layer, and along the first direction, a length of the first light-shielding layer is larger than or equal to twice a length of each of the plurality of sub-pixels.
    Type: Grant
    Filed: December 30, 2019
    Date of Patent: February 28, 2023
    Assignee: Xiamen Tianma Micro-Electronics Co., Ltd
    Inventors: Bingping Liu, Xiaoxiao Wu, Guozhao Chen
  • Patent number: 11587351
    Abstract: The present disclosure discloses a display and input apparatus, including a display panel and an image sensor module. The display panel includes a display substrate, a display array, and a cover plate; a display pixel includes at least two types of sub-pixels that emit lights of different colors; a slit is disposed between pixel electrodes of two adjacent sub-pixels; in the display array, a pixel definition layer is disposed along the slit, and a plano-concave lens array is disposed along the pixel definition layer; each of the plano-concave lenses has its optical axis perpendicular to the display panel and passing through the center of the slit; and during image sensing, the display pixel emits light and illuminates an imaging object on the cover plate, and the image sensor module acquires a reflected image from a surface of the imaging object.
    Type: Grant
    Filed: December 9, 2020
    Date of Patent: February 21, 2023
    Assignee: Shanghai OXi Technology Co., Ltd
    Inventor: Zhongshou Huang
  • Patent number: 11587482
    Abstract: The present application relates to the field of display technologies, and in particular, to display substrate devices. One of the described display substrates comprises: a flexible substrate; a pinhole array configured to transmit light on the flexible substrate; at least one curved electrode responsive to bending of the flexible substrate around the pinhole array on the flexible substrate; and a plurality of detecting lines; wherein the at least one curved electrode comprises a plurality of curved sub-electrodes connected in series; and at least one of the plurality of curved sub-electrodes is coupled to one of the plurality of detecting lines.
    Type: Grant
    Filed: April 3, 2019
    Date of Patent: February 21, 2023
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Xinbin Han
  • Patent number: 11568834
    Abstract: An embodiment method of measuring ambient light comprises generating, by an ambient light sensor associated with a screen which alternates between first phases in which light is emitted and second phases in which no light is emitted by the screen, a first signal representative of an intensity of light received by the ambient light sensor during the first and second phases; comparing the first signal with a threshold intensity value; and controlling a timing of an ambient light measurement by the light sensor based on the comparison.
    Type: Grant
    Filed: January 8, 2021
    Date of Patent: January 31, 2023
    Assignee: STMICROELECTRONICS (RESEARCH & DEVELOPMENT) LIMITED
    Inventor: Jeffrey M. Raynor
  • Patent number: 11568669
    Abstract: Provided are an ultrasonic fingerprint identification circuit, a driving method thereof, and a display device. The ultrasonic fingerprint identification circuit comprises fingerprint identification units each including an ultrasonic fingerprint identification sensor connected to a first node; a control module connected to a composite signal line, a first control signal line and the first node and configured to provide a reset potential to the first node and to provide a pull-up potential to the first node in response to a first level provided by the composite signal line; a reading module connected to a second control signal line, the first node and a reading signal line, and configured to read a detection signal of the first node. The first control signal line connected to one fingerprint identification unit is reused as the second control signal line connected to another fingerprint identification unit.
    Type: Grant
    Filed: September 14, 2020
    Date of Patent: January 31, 2023
    Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Lu Lian, Feng Lu, Haochi Yu
  • Patent number: 11556012
    Abstract: A system for controlling at least one focus aspect of adaptive spectacles (10) having at least one electrically-tunable lens (22), the system including a housing (14), which is physically separate from adaptive spectacles (10), a display screen (16) mounted in housing (14), a sensor (19) mounted in housing (14) and configured to detect a relative position of adaptive spectacles (10) with respect to display screen (16), an interface (17) configured to communicate with adaptive spectacles (10), and a controller (15) configured to receive an input signal from sensor (19), the input signal being indicative of the relative position of adaptive spectacles (10) with respect to display screen (16) and output, in response to the input signal, a command signal for sending to adaptive spectacles (10) via interface (17) to adjust the at least one focus aspect of the at least one electrically-tunable lens (22).
    Type: Grant
    Filed: October 10, 2018
    Date of Patent: January 17, 2023
    Assignee: OPTICA AMUKA (A.A.) LTD.
    Inventors: Itamar Haim Grutman, Alex Alon, Yariv Haddad, Yoav Yadin
  • Patent number: 11555575
    Abstract: An operating device according to the present invention includes a posture setter that sets a posture of the operating device with respect to a user to a first posture, a display processor that causes a predetermined object to be displayed toward a first direction in the display area of the operating device set to the first posture, a posture detector that detects a posture change of the operating device when the user changes the posture of the operating device, and a display changer that causes at least a part of object information included in the object to be displayed toward the first direction in the display area when the operating device changes the posture from the first posture to a second posture.
    Type: Grant
    Filed: April 1, 2021
    Date of Patent: January 17, 2023
    Assignee: SHARP KABUSHIKI KAISHA
    Inventor: Hidetoshi Fujimoto
  • Patent number: 11543919
    Abstract: The present disclosure relates to a display panel and a display device using the same. The display panel includes a display area in which a plurality of display pixels including a light emitting element are disposed, a sensing area in which a plurality of display pixels including a light emitting element and a plurality of sensor pixels including a photoelectric conversion element are disposed, and a touch sensor disposed on display area and the sensing area.
    Type: Grant
    Filed: August 24, 2021
    Date of Patent: January 3, 2023
    Assignee: LG Display Co., Ltd.
    Inventors: Man Hyeop Han, In Hyuk Song
  • Patent number: 11545103
    Abstract: A reflective-type display screen and a control method thereof, and a display device are provided. The reflective-type display screen comprises, a display panel, a compensation light source, a detector module and a processor module. The display panel comprises a reflection surface, the display panel is configured to reflect light by the reflection surface to realize display; the compensation light source is in the display panel; the detector module is on a light-outputting side of the display panel and is configured to acquire an intensity of ambient light outside the display screen; and the processor module is respectively connected with the detector module and the compensation light source and is configured to control operation of the compensation light source based on the intensity of the ambient light acquired by the detector module.
    Type: Grant
    Filed: May 19, 2020
    Date of Patent: January 3, 2023
    Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., Beijing BOE Technology Development Co., Ltd.
    Inventors: Wei Chen, Yangheng Li, Bin Zhao, Xin Li, Yong Song
  • Patent number: 11538408
    Abstract: An organic light emitting diode (OLED) display is disclosed. In one aspect, the display includes a scan line transmitting a scan signal, a data line crossing the scan line and transmitting a data voltage, and a driving voltage line crossing the scan line and configured to transmit a driving voltage. The display also includes a switching transistor electrically connected to the scan line and the data line. The display further includes a driving transistor and a compensation transistor. A driving gate electrode and a driving drain electrode are respectively connected to a compensation source electrode and a compensation drain electrode. The display also includes a light blocking layer at least partially covering the compensation transistor and an OLED electrically connected to the driving transistor.
    Type: Grant
    Filed: March 9, 2021
    Date of Patent: December 27, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Jin Jeon
  • Patent number: 11538273
    Abstract: An integrated photo-sensing detection display substrate. The integrated photo-sensing detection display substrate includes a base substrate; a plurality of light emitting elements on the base substrate and configured to emit light, a portion of the light being totally reflected by a surface thereby forming totally reflected light; an addressable diffraction grating layer on a side of the base substrate away from the plurality of light emitting elements, and including a plurality of individually addressable diffraction regions, light diffraction respectively in the plurality of individually addressable diffraction regions being independently controllable; and a photosensor on a side of the addressable diffraction grating layer away from the base substrate and configured to detect light transmitted from one or more of the plurality of individually addressable diffraction regions, thereby detecting fingerprint information.
    Type: Grant
    Filed: December 3, 2018
    Date of Patent: December 27, 2022
    Assignee: Beijing BOE Technology Development Co., Ltd.
    Inventors: Shengji Yang, Xue Dong, Xiaochuan Chen, Hui Wang, Pengcheng Lu, Kuanta Huang, Zengqiang Zheng
  • Patent number: 11532247
    Abstract: The disclosure provides a flexible display device using a flexible display panel equipped with a movable case assembly. The moving case assembly can move and drive the flexible display panel to form a display device with adjustable panel dimensions. When two cases constituting the case assembly slide relatively, a dimension of a front display area of the flexible display device change. Displacement of the sliding flexible display device may compensate the dimensional change of the flexible display panel on a surface of the flexible display device.
    Type: Grant
    Filed: December 25, 2019
    Date of Patent: December 20, 2022
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Zikang Feng
  • Patent number: 11527201
    Abstract: A display panel includes a plurality of pixels arranged in an array; a plurality of first sensor units (2) in the array, each first sensor unit (2) being coupled to at least one of the plurality of pixels and being configured to detect brightness of the at least one of the plurality of pixels; and a plurality of second sensor units (3) in the array, each second sensor unit (3) being coupled to at least one of the plurality of first sensor units (2) and being configured to detect a variation in at least one environmental parameter of the at least one of the plurality of pixels. Each first sensor unit (2) includes a first photo sensor (S1). Each second sensor unit (3) comprises a second photo sensor (S2) and a shielding layer on a light-receiving surface of the second photo sensor (S2).
    Type: Grant
    Filed: November 2, 2018
    Date of Patent: December 13, 2022
    Assignee: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: Yingming Liu, Xue Dong, Haisheng Wang, Xiaoliang Ding, Changfeng Li, Wei Liu
  • Patent number: 11527215
    Abstract: A display device includes a voltage generation circuit that generates a plurality of clock signals and a first driving voltage, a second driving voltage, and a third driving voltage. A gate driving circuit receives the generated clock signals and the first driving voltage, the second driving voltage, and the third driving voltage, and includes a plurality of driving stages each of which outputs a carry signal and a gate signal to a corresponding gate line among gate lines. The voltage generation circuit sets a voltage level of the third driving voltage based on a signal of a first node of at least one of the driving stages.
    Type: Grant
    Filed: November 17, 2020
    Date of Patent: December 13, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Chang-soo Lee
  • Patent number: 11521419
    Abstract: A display device and a fingerprint recognition method are provided. The fingerprint recognition device includes at least two photosensitive regions receiving different colors of light, and the color of the light received by one photosensitive region corresponds to the emitted color of the light emitting sub-pixel in one color.
    Type: Grant
    Filed: December 31, 2019
    Date of Patent: December 6, 2022
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Yang Zeng, Feng Lu, Haochi Yu, Xiaoyue Su