Patents Examined by Nathan Danielsen
  • Patent number: 11594172
    Abstract: Disclosed is a display device. The display device includes a display panel having a base layer, a circuit element layer disposed on the base layer, a display panel including a plurality of first pixels disposed in a first display area, and a plurality of second pixels disposed in a second display area adjacent to the first display area. The display device further includes a gate driver disposed in the second display area of the display panel and configured to drive the first and second pixels and a diffraction pattern layer including a plurality of second diffraction patterns disposed on the second pixels.
    Type: Grant
    Filed: June 9, 2021
    Date of Patent: February 28, 2023
    Inventor: Bon-Seog Gu
  • Patent number: 11587501
    Abstract: The present disclosure provides a display apparatus, a pixel circuit and a method of driving a pixel circuit. In one or more embodiments, the pixel circuit includes a driving transistor, a data signal module and a bias signal module. A first electrode of the driving transistor is connected with a first power signal terminal, a second electrode of the driving transistor is connected with a first terminal of a light emitting element, and the driving transistor includes a first control electrode and a second control electrode. The data signal module is connected with the driving transistor, a data writing signal terminal and a data signal terminal. The bias signal module is connected with the driving transistor, a bias writing signal terminal and a bias signal terminal, and is configured to adjust a threshold voltage of the driving transistor under control of the bias writing signal terminal and the bias signal terminal.
    Type: Grant
    Filed: October 25, 2021
    Date of Patent: February 21, 2023
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Seungwoo Han, Haoliang Zheng, Dongni Liu, Li Xiao, Liang Chen, Hao Chen, Jiao Zhao, Jin Yang, Minghua Xuan
  • Patent number: 11580898
    Abstract: A display panel and a display device are provided. The display panel includes a pixel circuit; and a light-emitting element. The operation process of the pixel circuit includes a first data refresh period, a data adjustment stage, and a second data refresh period set in sequence. The data adjustment stage includes T1 first sub-data adjustment stages set in sequence and T2 second sub-data adjustment stages set in sequence. A quantity of the data writing frames in the first sub-data adjustment stage is greater than a quantity of the data writing frames in the second sub-data adjustment stage. A quantity of the holding frames in the first sub-data adjustment stage is smaller than a quantity of the holding frames in the second sub-data adjustment stage.
    Type: Grant
    Filed: December 30, 2021
    Date of Patent: February 14, 2023
    Assignee: XIAMEN TIANMA DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Wanming Huang, Jieliang Li, Yuheng Zhang
  • Patent number: 11580896
    Abstract: An electroluminescence display apparatus includes a display panel including a first pixel and a second pixel, a first current integrator connected to the first pixel through a first sensing channel to sense a first current from the first pixel to generate a first output voltage, a second current integrator connected to the second pixel through a second sensing channel to sense a second current from the second pixel to generate a second output voltage, and a sampling capacitor connected to an output terminal of the first current integrator at one electrode thereof and connected to an output terminal of the second current integrator at the other electrode thereof, thereby sampling the first output voltage and the second output voltage.
    Type: Grant
    Filed: September 8, 2021
    Date of Patent: February 14, 2023
    Assignee: LG Display Co., Ltd.
    Inventors: Myung Gi Lim, Tae Young Lee, Ji Su Choi
  • Patent number: 11568795
    Abstract: The display device includes a display panel, a printed circuit board on which a timing controller is mounted, and a connection film on which a data driver is mounted. Pixels and a gate driving circuit are disposed in a display area of the display panel. The connection film includes output lines connecting the data driver and the display panel, and first connection lines connecting the printed circuit board and the display panel. The first connection lines overlap the first area on which the data driver is mounted and are disposed between the output lines.
    Type: Grant
    Filed: June 15, 2021
    Date of Patent: January 31, 2023
    Inventors: Tae Gon Im, Min Soo Choi, Ji Hyun Kim, Jun Pyo Lee
  • Patent number: 11568800
    Abstract: Provided is a display panel and a display apparatus, the display panel includes a first display area including a plurality of first light-emitting devices and a plurality of first pixel driving circuits; and a light-transmitting display area including a plurality of second light-emitting devices and a plurality of second pixel driving circuits. Each of the plurality of light-emitting devices is electrically connected to one of the plurality of first pixel driving circuits. Each of the second light-emitting devices is electrically connected to one of the plurality of second pixel driving circuits. The second pixel driving circuits electrically connected to the second light-emitting devices in at least two columns are located in the same column. The second pixel driving circuits located in the same column and connected to the second light-emitting devices in different columns are respectively connected to different data signal wires.
    Type: Grant
    Filed: November 30, 2021
    Date of Patent: January 31, 2023
    Assignee: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Xingxing Yang, Yangzhao Ma
  • Patent number: 11557245
    Abstract: A display device includes a display area and a non-display area adjacent to the display area; a first scan line that extends in a row direction and transmits a first scan signal; a first pixel part electrically connected to the first scan line; a second pixel part electrically connected to the first scan line and spaced apart from the first pixel part in the row direction; and a first inspection pad disposed between the first pixel part and the second pixel part and electrically connected to the first scan line.
    Type: Grant
    Filed: July 1, 2021
    Date of Patent: January 17, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dong Hee Shin, Sun Kwun Son, Na Hyeon Cha
  • Patent number: 11556171
    Abstract: In some embodiments, an electronic device optionally identifies a person's face, and optionally performs an action in accordance with the identification. In some embodiments, an electronic device optionally determines a gaze location in a user interface, and optionally performs an action in accordance with the determination. In some embodiments, an electronic device optionally designates a user as being present at a sound-playback device in accordance with a determination that sound-detection criteria and verification criteria have been satisfied. In some embodiments, an electronic device optionally determines whether a person is further or closer than a threshold distance from a display device, and optionally provides a first or second user interface for display on the display device in accordance with the determination. In some embodiments, an electronic device optionally modifies the playing of media content in accordance with a determination that one or more presence criteria are not satisfied.
    Type: Grant
    Filed: December 15, 2020
    Date of Patent: January 17, 2023
    Assignee: Apple Inc.
    Inventors: Avi E. Cieplinski, Jeffrey Traer Bernstein, Julian Missig, May-Li Khoe, Bianca Cheng Costanzo, Myra Mary Haggerty, Duncan Robert Kerr, Bas Ording, Elbert D. Chen
  • Patent number: 11543891
    Abstract: Gesture input with multiple displays, views, and physics is described. In one example, a method includes generating a three dimensional space having a plurality of objects in different positions relative to a user and a virtual object to be manipulated by the user, presenting, on a display, a displayed area having at least a portion of the plurality of different objects, detecting an air gesture of the user against the virtual object, the virtual object being outside the displayed area, generating a trajectory of the virtual object in the three-dimensional space based on the air gesture, the trajectory including interactions with objects of the plurality of objects in the three-dimensional space, and presenting a portion of the generated trajectory on the displayed area.
    Type: Grant
    Filed: March 29, 2021
    Date of Patent: January 3, 2023
    Assignee: Intel Corporation
    Inventor: Glen J. Anderson
  • Patent number: 11538402
    Abstract: A display panel and a display device are provided. The display panel includes a pixel circuit and a light-emitting element. The pixel circuit includes a driving module, a data-writing module, and a light-emitting controller. The driving module is configured to provide a driving current for the light-emitting element, and the driving module includes a driving transistor. The data-writing module is configured to selectively provide a data signal for the driving transistor. The light-emitting controller is configured to selectively allow the light-emitting element to enter a light-emitting stage. One end of the light-emitting controller is connected to a first power signal terminal for receiving a first power signal. The pixel circuit further includes a latch module and a first scanning signal line. The first scanning signal line is configured to receive a first scanning signal. The latch module is connected between a gate of the driving transistor and the first scanning signal line.
    Type: Grant
    Filed: August 23, 2021
    Date of Patent: December 27, 2022
    Assignee: Xiamen Tianma Micro-Electronics Co., Ltd.
    Inventors: Yong Yuan, Jieliang Li
  • Patent number: 11538403
    Abstract: The present disclosure provides a pixel driving circuit and a display panel. The pixel driving circuit includes a driving module and a grayscale adjustment module. The driving module is configured to generate a first driving current corresponding to a first grayscale range under the control of a potential at a gate voltage end and a first power source voltage, and transmit the first driving current to a light-emitting element. The grayscale adjustment module is configured to adjust the driving module under the control of the first power source voltage and a first data voltage, so that the driving module generates a second driving current corresponding to a second grayscale range under the control of the potential at the gate voltage end and the first power source voltage, and transmits the second driving current to the light-emitting element.
    Type: Grant
    Filed: September 15, 2021
    Date of Patent: December 27, 2022
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Dongni Liu, Minghua Xuan, Qi Qi, Jing Liu
  • Patent number: 11538401
    Abstract: Provided are a display panel, a driving method thereof and a display device. The display panel includes a pixel circuit and a light-emitting element. The pixel circuit includes a data write module, a drive module and a compensation module. The data write module is configured to selectively provide a data signal for the drive module. The drive module is configured to provide a drive current for the light-emitting element and includes a drive transistor. The compensation module is configured to compensate for the threshold voltage of the drive transistor. The operation of the pixel circuit includes a bias stage. During the bias stage, the data write module and the drive module are on, the compensation module is off, and the data signal is written to the drain of the drive transistor to adjust the bias state of the drive transistor.
    Type: Grant
    Filed: August 18, 2021
    Date of Patent: December 27, 2022
    Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventor: Yong Yuan
  • Patent number: 11532263
    Abstract: A method and device for monitoring luminous intensity of display pixel is provided. The device includes self-luminous LED display, optical glue, photo-detecting array film and processing chip. The optical glue is attached to lower surface of the self-luminous LED display. The photo-detecting array film is disposed under the optical glue. The self-luminous LED display includes display pixels. Each display pixel includes a luminescent layer. The refractive index of the optical glue is smaller than that of the cover glass. The device uses the optical glue to filter the reflected light in the effective area corresponding to each display pixel. After that, the processing chip calculates the luminous intensity of the display pixel according to the first reflected optical signal detected by the photo-detecting array film. When it is determined that the luminous intensity of the display pixel is not changed in the preset period, a feedback signal is transmitted.
    Type: Grant
    Filed: June 24, 2020
    Date of Patent: December 20, 2022
    Inventor: Jiandong Huang
  • Patent number: 11514845
    Abstract: Disclosed are a display panel and a display device. The display panel includes, in part, a base substrate, multiple light-emitting elements, multiple pixel circuits, and at least one driver circuit, where the base substrate, multiple light-emitting elements, multiple pixel circuits, and the driver circuit are located on a side of the base substrate and located in a display area. The driver circuit is configured to transmit drive signals to the multiple pixel circuits. The multiple pixel circuits are configured to drive the multiple light-emitting elements. The multiple light-emitting elements include multiple light-emitting element rows. Each of the multiple light-emitting element rows extends along a first direction. The multiple light-emitting element rows are arranged along a second direction.
    Type: Grant
    Filed: August 16, 2021
    Date of Patent: November 29, 2022
    Assignee: HUBEI YANGTZE INDUSTRIAL INNOVATION CENTER OF ADVANCED DISPLAY CO., LTD.
    Inventors: Wenjun Dai, Liang Xing, Tianyi Wu
  • Patent number: 11508288
    Abstract: A display device includes pixels; an image converter which generates a second image by correcting grayscales of a logo among a first image for the pixels; and a data driver which provides data voltages corresponding to the second image to the pixels. The image converter generates first accumulated data by accumulating first map data corresponding to a logo area larger than the logo among the first image during a plurality of frame periods, generates second accumulated data by scaling the first accumulated data every refresh cycle, generates third accumulated data by initializing values smaller than a first threshold value among the second accumulated data to be a background value, and specifies pixels corresponding to the logo based on second map data corresponding to the third accumulated data.
    Type: Grant
    Filed: March 10, 2021
    Date of Patent: November 22, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Byung Ki Chun, Hyeon Min Kim, Young Wook Yoo, Jun Gyu Lee, Hyun Jun Lim
  • Patent number: 11508291
    Abstract: A display panel and a display apparatus are provided. The display panel has a conventional display region and a function display region for arranging an optical function element, and includes first pixel circuits and first fixed potential lines that are located in the conventional display region and electrically connected to the first pixel circuits, and further includes second pixel circuits and second fixed potential lines that are located in the function display region and are electrically connected to the second pixel circuits. m1 first pixel circuit groups are provided between two adjacent first fixed potential lines, m2 second pixel circuit groups are provided between two adjacent second fixed potential lines, m1 and m2 are each a positive integer greater than or equal to 1, and m2>m.
    Type: Grant
    Filed: July 7, 2021
    Date of Patent: November 22, 2022
    Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Zhaokeng Cao, Gaojun Huang, Zhongjie Zhang, Chunmei Gao, Yangzhao Ma
  • Patent number: 11501716
    Abstract: A display device includes a display unit including a plurality of pixels and a sensing unit disposed outside the display unit, where the sensing unit senses deterioration information of a driving transistor in each of the pixels through a plurality of sensing lines, and compensates for deterioration of the driving transistor. the sensing unit senses the deterioration information during a first sensing period, and the first sensing period is included in each of a power-off period in which power for the display device to display an image is not supplied, a power-on period in which the display device is turned on, and an image display period in which the image is continuously displayed after the display device is turned on.
    Type: Grant
    Filed: December 14, 2020
    Date of Patent: November 15, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Bo Young An, Wook Lee
  • Patent number: 11501698
    Abstract: A display device includes a pixel. The pixel includes an emission unit and a pixel circuit. The pixel circuit to provide a first driving current to the emission unit in a first current flowing direction in a first mode, and to provide a second driving current to the emission unit in a second current flowing direction different from the first current flowing direction in a second mode. The emission unit includes a first electrode and a second electrode spaced from each other, a first light emitting element connected between the first electrode and the second electrode in the first current flowing direction, and a second light emitting element connected between the first electrode and the second electrode in the second current flowing direction.
    Type: Grant
    Filed: July 30, 2021
    Date of Patent: November 15, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Eui Myeong Cho, Ho Cheol Kang, Seok Young Yoon, Dae Gwang Jang
  • Patent number: 11482160
    Abstract: A driving device and a driving method of a display panel are provided. The driving device includes a current source and a control circuit. The current source makes a driving current flow through a light-emitting element path of a sub-pixel circuit of the display panel. During a display line period, the driving current has a normal current amount, and the control circuit controls a first switch in the light-emitting element path to adjust a duty cycle of the driving current in the light-emitting element path. During a sensing period, the driving current has a sensing current amount less than the normal current amount, the control circuit turns on the first switch, and the control circuit checks a voltage in the light-emitting element path to determine whether a light-emitting element in the light-emitting element path is open (or whether the light-emitting element is provided in the light-emitting element path).
    Type: Grant
    Filed: October 20, 2020
    Date of Patent: October 25, 2022
    Assignee: Novatek Microelectronics Corp.
    Inventors: Yi-Yang Tsai, Chun-Fu Lin, Po-Hsiang Fang, Jhih-Siou Cheng
  • Patent number: 11467702
    Abstract: A touch input device and a method for manufacturing the same are disclosed. The touch input device includes: a first base including a metal compound; a first pattern groove formed over one surface of the first base; a first sense pattern formed over the first pattern groove and including a conductive material; a second base stacked over the first base, and configured to include a metal compound; a second pattern groove formed over one surface of the second base; a second sense pattern formed over the second pattern groove, including a conductive material, and spaced apart from the first sense pattern; and a line unit connecting the first sense pattern and the second sense pattern to an integrated-circuit.
    Type: Grant
    Filed: December 10, 2019
    Date of Patent: October 11, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Gideok Kwon, Jong Bok Lee