Patents Examined by Yuzhen Shen
  • 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: 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: 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: 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: 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: 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: 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
  • Patent number: 11521420
    Abstract: Systems and methods are described for a display device in which the recognition failure of a fingerprint recognition sensor disposed in a display area without being exposed to the outside is reduced. The display device comprises a display panel; a cover window disposed above the display panel; an optical sensor, wherein at least a part of the optical sensor is disposed under the display panel; and an infrared blocking member disposed between the optical sensor and the cover window and at least a part of which overlaps the optical sensor from above the optical sensor.
    Type: Grant
    Filed: January 22, 2020
    Date of Patent: December 6, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Beong Hun Beon, Woo Suk Jung
  • Patent number: 11508177
    Abstract: A display panel, a manufacturing method thereof and a display device are provided. The display panel includes: a photosensitive sensor; a light shield layer disposed on a sensing side of the photosensitive sensor and including at least one first opening and at least one second opening, the first opening and the photosensitive sensor are overlapped with each other in a direction perpendicular to a surface of the display panel, so that light running through the first opening is irradiated to the photosensitive sensor; and an optical processing film disposed in a region of the light shield layer close to the second opening and on at least a portion of a surface of the light shield layer away from the photosensitive sensor, and a light reflectivity of the optical processing film is less than a light reflectivity of the light shield layer.
    Type: Grant
    Filed: June 25, 2019
    Date of Patent: November 22, 2022
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: Guangdong Wang, Yiming Wang, Zhenyu Wang, Chen Wang
  • Patent number: 11508249
    Abstract: Method for taking a test using a smartphone including placing the smartphone into connection with a device, placing the device on a head of a person with the smartphone in a position in which a display of the smartphone is visible to the person, coupling the smartphone to the device and displaying test questions on the display. Cheating is detected by, for example, monitoring presence of the device on the head of the person by periodically obtaining biometric data from the person and analyzing a change in the biometric data relative to previously obtained biometric data for the person, and when a change is present, stopping display of the test questions and generating and transmitting a communication to a test-providing institution derived from the change in biometric data.
    Type: Grant
    Filed: March 1, 2019
    Date of Patent: November 22, 2022
    Assignee: Intelligent Technologies International, Inc.
    Inventors: David S Breed, Oleksandr Shostak, Wilbur E DuVall, Wendell C Johnson
  • Patent number: 11506887
    Abstract: A method and apparatus for determining gaze direction information, includes a light source for forming illuminating light to an eye region of a user, and optical element(s) configured to guide the illuminating light from the light source to the eye region. The illuminating light is dynamically adjustable to generate a dynamic light beam on the eye region, and a sensor is configured to capture reflected light on the eye region and generate reflection eye data. The apparatus can maintain user profile information, adjust spectral power distribution of the light source based on the user profile information, receive the reflection eye data, and generate the gaze direction information based on the reflection eye data.
    Type: Grant
    Filed: October 30, 2018
    Date of Patent: November 22, 2022
    Assignee: SeeTrue Technologies Oy
    Inventors: Roman Bednarik, Piotr Bartczak, David Gil De Gómez
  • Patent number: 11495044
    Abstract: A fingerprint sensing display apparatus having a plurality of subpixel regions spaced apart by an inter-subpixel region is provided. The fingerprint sensing display apparatus includes a counter substrate; an array substrate facing the counter substrate, wherein the array substrate includes a plurality of light emitting elements configured to emit light toward the counter substrate, at least a portion of the light being totally reflected by a surface of the counter substrate away from the array substrate; a plurality of photosensors on a side of the array substrate away from the counter substrate; and a first light shielding layer and a second light shielding layer between the plurality of photosensors and the plurality of light emitting elements, the second light shielding layer is on a side of the first light shielding layer away from the plurality of light emitting elements.
    Type: Grant
    Filed: September 12, 2019
    Date of Patent: November 8, 2022
    Assignee: Beijing BOE Technology Development Co., Ltd.
    Inventors: Xiaoquan Hai, Xue Dong, Haisheng Wang, Lei Wang, Changfeng Li
  • Patent number: 11495155
    Abstract: A pixel circuit includes a light emitting element, a first driver transistor, a second driver transistor, and a first compensation capacitor. A first terminal of the first driving transistor is configured to receive a power signal, and a second terminal of the first driving transistor is electrically coupled to the light emitting element. A first terminal of the second driving transistor receives the power signal, and a control terminal of the second driving transistor is electrically coupled to the light emitting element. The first compensation capacitance is electrically coupled to a control terminal of the first driving transistor and the second terminal of the second driving transistor, respectively.
    Type: Grant
    Filed: November 19, 2020
    Date of Patent: November 8, 2022
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Chih-Lung Lin, Chin-Hsien Tseng, Po-Cheng Lai, Yu-Sheng Lin, Mao-Hsun Cheng
  • Patent number: 11488542
    Abstract: An organic light emitting display device includes: a display panel including a plurality of pixel rows each including first pixel groups alternating with second pixel groups; a gate driver configured to provide a first group gate signal to the first pixel groups, and to provide a second group gate signal to the second pixel groups; a data driver configured to output data voltages to a plurality of output line groups; and a connection controller configured to connect the output line groups to a first data line group in response to a first connection control signal, and to connect the output line groups to a second data line group in response to a second connection control signal.
    Type: Grant
    Filed: November 16, 2020
    Date of Patent: November 1, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Changnoh Yoon, Jin-Wook Yang
  • Patent number: 11475840
    Abstract: An organic light-emitting display panel and a display device are provided. The organic light-emitting display panel includes a control circuit. The control circuit includes a plurality of transistors. The plurality of transistors includes at least one first-type transistor, and each of the at least one first-type transistor has a channel width and a channel length, one of which is greater than five times the other one. Each of the at least one first-type transistor is a single-gate transistor.
    Type: Grant
    Filed: June 24, 2020
    Date of Patent: October 18, 2022
    Assignees: WUHAN TIANMA MICROELECTRONICS CO., LTD., WUHAN TIANMA MIOROLECTRONICS CO., LTD. SHANGHAI BRANCH
    Inventors: Shuai Yang, Yue Li, Zhi Liu, Xingyao Zhou