Patents Examined by Sardis F Azongha
  • Patent number: 11908426
    Abstract: A display panel driving method, a display device and a driving device are provided. The method obtains a standard driving voltage value of a target pixel when a subject display content is being displayed and a target compression unit corresponding to the target pixel, determines a target compensation curve parameter from compressed de-Mura data corresponding to the target compression unit according to the standard driving voltage value, determines an effective driving voltage value of the target pixel when the subject content is being displayed according to a position information where the target pixel is in the target compression unit and the target compensation curve parameter, and drives the display panel according to the effective driving voltage. This method could correctly identify the corresponding decompression data and thus the decompressed data could be close to the actual data. This raises the decompression accuracy of decompressing the de-Mura data.
    Type: Grant
    Filed: May 27, 2021
    Date of Patent: February 20, 2024
    Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yun Zhang, Xinhong Chen
  • Patent number: 11908407
    Abstract: A light emitting display device and a compensation method thereof, wherein an optical characteristics detection portion overlapping a signal line is provided in a subpixel, and the optical characteristics detection portion is connected to one of source voltage lines used by the subpixel, whereby optical characteristics of the subpixel can be determined without loss in effective area of an emission portion and to easily compensate for an afterimage of a display panel.
    Type: Grant
    Filed: October 29, 2022
    Date of Patent: February 20, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventor: Jun Hee Han
  • Patent number: 11898950
    Abstract: A display device includes a display panel, a driving controller, and a readout circuit. The display panel includes a first part and a second part. The first part includes a first pixel set. The second part includes a first sensor set. The driving controller controls the first pixel set to emit first light when controlling the first sensor set to receive second light. The first sensor set generates a sensing signal using the second light. The readout circuit is electrically connected to at least one of the driving controller and the first sensor set and receives the sensing signal. The display device calculates a dust concentration using the sensing signal.
    Type: Grant
    Filed: December 5, 2022
    Date of Patent: February 13, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Osung Seo, Myeongil Choi, Sung-Hyun Kim, Young-Su Kim, Kiho Lim, Euiri Cho, Duk-Woon Choi
  • Patent number: 11900883
    Abstract: A shift register unit, a method for driving a shift register unit, a gate driving circuit, and a display device are provided. The shift register unit includes: a second noise reduction control circuit. The second noise reduction control circuit includes: a first control circuit, configured to transmit a first voltage to a second noise reduction control node; a first coupling circuit, configured to store a level of the second noise reduction control node and adjust the level of the second noise reduction control node; a second coupling circuit, configured to reduce an adjustment magnitude of the first coupling circuit in case of adjusting the level of the second noise reduction control node; a transmission circuit, configured to connect the first noise reduction control node and the second noise reduction control node; and a storage circuit, configured to store the level of the first noise reduction control node.
    Type: Grant
    Filed: March 19, 2021
    Date of Patent: February 13, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Guangliang Shang, Can Zheng, Jiangnan Lu, Yuhan Qian, Li Wang, Libin Liu, Shiming Shi, Dawei Wang
  • Patent number: 11899869
    Abstract: An input sensing unit including a plurality of first electrodes, which are arranged in a first direction and each of which extends in a second direction crossing the first direction, a plurality of row electrode each of which includes a second electrode and a third electrode, a plurality of first sensing lines respectively connected to the first electrodes, a plurality of second sensing lines respectively connected to the second electrodes, and a third sensing line connected to each of the third electrodes. Each of the row electrodes includes one side and the other side, which are opposed to each other in the first direction, and the one side is connected to one of one second sensing line and one third sensing line of the second sensing lines, and the other side is connected to the other of the second sensing lien and the third sensing line.
    Type: Grant
    Filed: January 16, 2023
    Date of Patent: February 13, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jisu Na, Kwang-min Kim, Kiwook Kim, Yangwan Kim
  • Patent number: 11903281
    Abstract: Disclosed are an array substrate and a display panel, including: a base substrate; and a wiring layer and a light-emitting layer which are stacked on the base substrate sequentially, wherein the wiring layer includes a signal wiring, a first wiring and a second wiring, a projection of the first wiring on the base substrate is separated from a projection of the second wiring on the base substrate, the first and second wiring are respectively disposed on two sides of the light-emitting layer below the light-emitting layer, the signal wiring is between the first and second wiring, the projections of the first and second wiring on the base substrate respectively overlap projections of two edges of the light-emitting layer on the base substrate, and a length of the second wiring is less than that of the signal wiring in an extension direction of the signal wiring.
    Type: Grant
    Filed: December 19, 2022
    Date of Patent: February 13, 2024
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Meng Li, Sen Du, Tianyi Cheng, Tiaomei Zhang, Yao Huang, Tingliang Liu
  • Patent number: 11892648
    Abstract: Expandable band systems for wearable devices, such as spatial computing headsets, are provided which have flexible and conformable form factors that enable users to reliably to secure such wearable devices in place. Further, in the context of spatial computing headsets with an optics assembly supported by opposing temple arms, the expandable band systems provide protection against over-extension of the temple arms or extreme deflections that may otherwise arise from undesirable torsional loading of the temple arms.
    Type: Grant
    Filed: February 22, 2023
    Date of Patent: February 6, 2024
    Assignee: Magic Leap, Inc.
    Inventor: Robert Coleman Skelton
  • Patent number: 11895896
    Abstract: A display device includes a display panel and an input sensor. The display panel includes an encapsulation organic layer disposed inside a first line pattern. An organic pattern includes a first portion disposed outside of the first line pattern and a second portion disposed inside of the first line pattern and at least partially overlapping the encapsulation organic layer. The organic pattern supports a signal line of the input sensor.
    Type: Grant
    Filed: July 12, 2022
    Date of Patent: February 6, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ohjune Kwon, Jeongseok Lee
  • Patent number: 11889083
    Abstract: An image display method includes: obtaining an image to be displayed in an object to be played; determining a code corresponding to the image to be displayed; and controlling a display device to play the object to be played and output a light signal corresponding to the code when the image to be displayed is displayed.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: January 30, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Wei Cao
  • Patent number: 11881133
    Abstract: A display device may include a first pixel area on which a first pixel is disposed, a second pixel area on which a second pixel is disposed, the second pixel area being disposed adjacent to the first pixel area along a first direction, a lower connection line connecting the first pixel and the second pixel, and crossing the first pixel area and the second pixel area, an inorganic insulating layer disposed on the lower connection line and having a groove between the first pixel area and the second pixel area, and an organic insulating layer filling the groove of the inorganic insulating layer.
    Type: Grant
    Filed: February 3, 2020
    Date of Patent: January 23, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ju-Chan Park, Sun-Ho Kim, Sun-Hee Lee
  • Patent number: 11877487
    Abstract: A display apparatus including first-through-third pixels sequentially arranged in a row direction, a first shielding electrode arranged between the first pixel and the second pixel, a first voltage line configured to transmit a first initialization voltage, a second voltage line configured to transmit a second initialization voltage, a first contact plug connecting the first pixel and the second pixel to the first voltage line, a second contact plug connecting the second pixel and the third pixel to the second voltage line, and a third contact plug connecting the first shielding electrode to the first voltage line.
    Type: Grant
    Filed: August 8, 2022
    Date of Patent: January 16, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyungjun Park, Junyong An, Nuree Um
  • Patent number: 11868552
    Abstract: The method for manufacturing a display device includes forming a light emitting element and a terminal on a substrate, forming a sealing film including a first inorganic insulating film and a second inorganic insulating film to cover the light emitting element and the terminal, forming a resist having a taper shape in which a thickness of an end portion on the sealing film becomes thinner as it goes to the terminal side by using a gray-tone mask, forming a taper shape in which thicknesses in end portions of the first inorganic insulating film and the second inorganic insulating film becomes thinner as it goes to the terminal side by etching, forming a touch electrode above the sealing film and forming wiring connected to the terminal via the end portions together with connecting to the touch electrode for detecting a touched position.
    Type: Grant
    Filed: November 3, 2022
    Date of Patent: January 9, 2024
    Assignee: Japan Display Inc.
    Inventors: Yuko Matsumoto, Hajime Akimoto, Mitsuhide Miyamoto, Yusuke Tada
  • Patent number: 11869434
    Abstract: Display panel and display device are provided. The display panel includes a display area and a non-display area. The display panel includes a plurality of first subpixels on the substrate. A first subpixel of the plurality of first subpixels includes a first pixel circuit and a light-emitting element electrically connected to the first pixel circuit. The first pixel circuit at least includes a first type of double-gate transistor. A first gate of the first type of double-gate transistor is connected to a first control line. A second gate of the first type of double-gate transistor is connected to a second control line. The display panel further includes a second detection line having a same width as the second control line.
    Type: Grant
    Filed: August 25, 2022
    Date of Patent: January 9, 2024
    Assignees: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD., WUHAN TIANMA MICROELECTRONICS CO., LTD. SHANGHAI BRANCH
    Inventor: Peng Zhang
  • Patent number: 11868572
    Abstract: The present application provides a touch panel and a touch device. The touch panel comprises first channels and third channels that extend in a first direction and are arranged side by side. By reducing a distance between the third channel and the adjacent first channel, a touch sensing amount of the third channel is increased, and touch operations have improved accuracy and linearity in an edge area.
    Type: Grant
    Filed: December 20, 2021
    Date of Patent: January 9, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Houfu Gong, Zengjian Jin, Leilei Luo, Yanan Wang, Yalong Ma
  • Patent number: 11869440
    Abstract: An organic light-emitting diode (OLED) display system includes a first region located in a substrate. The first region is configured to accommodate a control element. A plurality of other regions located on both sides of the first region in the substrate are sequentially disposed based on distances from the first region. The plurality of other regions include a second region configured to accommodate a first circuit element, a third region configured to accommodate a first circuit clock signal line, a fourth region configured to accommodate a second circuit clock signal line, a fifth region configured to accommodate a second circuit element, a sixth region configured to accommodate a first low-potential port and a seventh region located on an upper surface of the substrate.
    Type: Grant
    Filed: November 6, 2020
    Date of Patent: January 9, 2024
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Shiangruei Ouyang, Chujung Shih
  • Patent number: 11861929
    Abstract: A display apparatus and a bonding method therefor are provided. The display apparatus includes a display module, the back face of the display module having a heat dissipation film layer, a first open hole being disposed in the heat dissipation film layer, a composite film layer being provided in the first open hole, and a fingerprint module being attached to the composite film layer; the composite film layer includes a support layer and a buffer layer attached to one another, the support layer being closest to the fingerprint module.
    Type: Grant
    Filed: May 19, 2020
    Date of Patent: January 2, 2024
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventor: Shuquan Yang
  • Patent number: 11864439
    Abstract: Disclosed are a display panel and a display device. The display panel includes a base substrate; a pixel unit on the base substrate and including a pixel circuit and a light-emitting element, the pixel circuit being configured to drive the light-emitting element, the pixel circuit being closer to the base substrate than the light-emitting element and including a driving transistor; a data line configured to provide data signal to the pixel circuit; a connection element through which the light-emitting element is connected with the pixel circuit, the connection element including a shielding portion; and a connection line connected with a gate electrode of the driving transistor. The data line includes two adjacent data lines with the shielding portion located therebetween, and an orthographic projection of the connection line on the base substrate at least partially overlaps with an orthographic projection of the shielding portion on the base substrate.
    Type: Grant
    Filed: January 19, 2021
    Date of Patent: January 2, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Li Wang, Tian Dong, Long Han, Jie Zhang, Jingquan Wang, Bo Wang
  • Patent number: 11854497
    Abstract: The present invention relates to a display apparatus that allows a compensated data voltage to be supplied to each pixel by compensating for the data voltage so as to prevent burn-in from occurring in a display panel, a method for compensating a data signal thereof, and a method for generating a deep learning-based compensation model. To implement same, the present invention provides the display apparatus comprising a timing controller having mounted therein the compensation model generated by learning, in a deep learning method, the temperature, time, average brightness, and data voltage for each pixel. Accordingly, the present invention has an effect of preventing burn-in from occurring in each pixel by supplying each pixel with the compensated data voltage generated via the compensation model.
    Type: Grant
    Filed: June 21, 2021
    Date of Patent: December 26, 2023
    Assignees: LG Display Co., Ltd., Industry-University Cooperation Foundation Hanyang University
    Inventors: Joon-Hyuk Chang, Kwanghwan Ji, Kwan-Ho Park, Kiseok Chang, Junghoon Seo, Kipyo Hong, Hyojung Park, Seunghyuck Lee
  • Patent number: 11847276
    Abstract: The present disclosure provides a touch substrate and a touch display device. The touch substrate includes a base substrate, and a first electrode layer and a second electrode layer laminated one on another on the base substrate. The first electrode layer includes first channel patterns and first dummy electrode patterns, the second electrode layer includes second channel patterns and second dummy electrode patterns, the first channel pattern and the second channel pattern are insulated from each other and arranged in such a manner as to cross each other, and the second channel pattern is insulated from the second dummy electrode pattern. Each first dummy electrode pattern includes a first dummy electrode sub-pattern, each second dummy electrode pattern includes a second dummy electrode sub-pattern, and the first dummy electrode sub-pattern is electrically coupled to the first channel pattern and the second dummy electrode sub-pattern.
    Type: Grant
    Filed: November 10, 2021
    Date of Patent: December 19, 2023
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xue Zhao, Xiaodong Xie, Min He, Tengfei Zhong, Xinxiu Zhang, Bin Pang, Tianyu Zhang, Huayu Sang
  • Patent number: 11847283
    Abstract: A display apparatus including a display panel, an input sensor having an active area having a plurality of electrodes disposed therein and at least a portion of which overlaps the display area, and a non-active area which overlaps the non-display area. The active area has a central area and a peripheral area disposed outward from the central area. The plurality of electrodes include center electrodes which are disposed in the central area and peripheral electrodes which are disposed in the peripheral area and have a surface area less than that of the center electrodes. Each of the center electrodes includes a sensing pattern and a floating pattern, and each of the peripheral electrodes includes substantially only the sensing pattern. Thus, an embodiment of the inventive concept may provide the display apparatus that includes an input sensor having improved sensitivity in a peripheral area.
    Type: Grant
    Filed: January 1, 2023
    Date of Patent: December 19, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Changho Lee, Eunyoung Kim, Hyeyun Han, Gyeongnam Bang