Patents Assigned to Yungu (Gu'an) Technology Co., Ltd.
  • Patent number: 11972733
    Abstract: A light-emitting device and a display panel. A light-emitting color of the light-emitting device is a primary color of either red or green, and the light-emitting device includes: a light-emitting layer with a host material; a compensation layer for carrying holes and disposed on a hole injection side of the light-emitting layer; the light-emitting device has a starting state and an operating state, and a starting voltage of the light-emitting device in the starting state is lower than an operating voltage of the light-emitting device in the operating state; in the starting state, there is a first activation energy difference value ?Ea1 between activation energies of the host material and the compensation layer, and the first activation energy difference value ?Ea1<0 eV.
    Type: Grant
    Filed: February 14, 2023
    Date of Patent: April 30, 2024
    Assignee: Yungu (Gu'an) Technology Co., Ltd.
    Inventors: Mengyu Liu, Yu Gao, Xiaowen Wang
  • Patent number: 11953537
    Abstract: Disclosed are a test device and a test method thereof. The test device includes a first electrode, an electron transport unit, a charge generation layer, a hole transport unit and a second electrode which are stacked; the charge generation layer includes an N-type doped layer and a P-type doped layer which is stacked on the N-type doped layer, the N-type doped layer is adjacent to the electron transport unit, and the P-type doped layer is adjacent to the hole transport unit.
    Type: Grant
    Filed: August 10, 2021
    Date of Patent: April 9, 2024
    Assignee: Yungu (Gu'an) Technology Co., Ltd.
    Inventor: Zhaoyang Xi
  • Patent number: 11937388
    Abstract: Embodiments of the present application provide a screen body support device, including: a fixing bracket; a movable bracket being rotatably connected with the fixing bracket, in which the movable bracket and the fixing bracket are provided in a non-display area of a flexible display screen; and a driving component being fixedly connected with the movable bracket, in which the driving component is configured to drive the movable bracket to swing in two opposite directions with respect to the fixing bracket, so that the flexible display screen is bent in two opposite directions respectively.
    Type: Grant
    Filed: April 21, 2021
    Date of Patent: March 19, 2024
    Assignee: Yungu (Gu'an) Technology Co., Ltd.wq
    Inventors: Hongqi Hou, Fu Liao, Yuhua Wu, Liwei Ding, Zhaoji Zhu, Liuyang Wang
  • Patent number: 11929368
    Abstract: An array substrate and a display panel. The array substrate includes a thin film transistor array layer including a driving transistor, a switching transistor, and a capacitor. The driving transistor includes a first active layer, a first gate insulating layer, a first gate, and an insulating dielectric layer sequentially stacked. The switching transistor includes a second active layer, a second gate insulating layer, and a second gate sequentially stacked. The insulating dielectric layer and the second gate insulating layer are located at a same layer. A thickness of the first gate insulating layer is greater than a thickness of the second gate insulating layer. The capacitor includes a first electrode plate and a second electrode plate. The first electrode plate and the first gate are disposed on same layer, and the second electrode plate and the second gate are disposed on same layer.
    Type: Grant
    Filed: November 4, 2021
    Date of Patent: March 12, 2024
    Assignee: Yungu (Gu'an) Technology Co., Ltd.
    Inventors: Dongfang Zhao, Kookchul Moon, Junfeng Li, Zhe Du, Yong Ge, Sha Yuan, Lin Xu
  • Patent number: 11922858
    Abstract: Disclosed are a display apparatus, a method for synthesizing images of a moving object and a device. The display apparatus includes: a display panel, including a main display region and a transparent display region at least partially provided in the main display region; and an image acquisition component, provided on a non-display side of the transparent display region, and configured to acquire a light incident from a display side of the transparent display region and penetrating the transparent display region. The image acquisition component is configured to continuously acquire, at a predetermined time interval, light of a moving object transmitting through the transparent display region, to obtain n images, diffraction spots of at least two of the n images are different. The image acquisition component is further configured to merge the n images to obtain m synthetic image(s) to eliminate or weaken diffraction spots in the n images.
    Type: Grant
    Filed: December 21, 2022
    Date of Patent: March 5, 2024
    Assignee: Yungu (Gu'an) Technology Co., Ltd.
    Inventors: Rusheng Liu, Junfei Cai
  • Patent number: 11915642
    Abstract: A display device includes: a display unit, a first logic control unit and a light emitting driving unit. The first logic control unit is configured to receive image display data for instructing the display unit to display a static image in a local area, if it is determined that the local area maintains displaying the static image beyond a first threshold duration, then preset replacement display data and the image display data are alternately transmitted to the light-emitting driving unit, where a transmission frequency of the replacement display data is a preset maintenance frequency, and the replacement display data is used to enable the display unit to display a replacement color image in the local area; and the light-emitting driving unit is configured to respond to the data received from the first logic control unit and control the display unit to display the static image or the replacement color image.
    Type: Grant
    Filed: October 29, 2021
    Date of Patent: February 27, 2024
    Assignee: Yungu (Gu'an) Technology Co., Ltd.
    Inventor: Zheng Li
  • Patent number: 11910691
    Abstract: A display panel, a manufacturing method thereof, and a display device. The display panel includes a first display region and a second display region. The display panel further includes a base substrate, a driving circuit layer, a light emitting functional film layer and a conductive layer, which are located in the first display region and the second display region. The driving circuit layer is disposed on the base substrate; the light emitting functional film layer is disposed on the driving circuit layer; and the conductive layer is disposed on the light emitting functional film layer. A thickness of a portion of the conductive layer located in the first display region is less than a thickness of a portion of the conductive layer located in the second display region.
    Type: Grant
    Filed: January 7, 2021
    Date of Patent: February 20, 2024
    Assignees: Yungu (Gu'an) Technology Co., Ltd., KunShan Go-Visionox Opto-Electronics Co., Ltd.
    Inventors: ChaoChi Peng, Mingxing Liu, Shuaiyan Gan
  • Patent number: 11893922
    Abstract: A shift register, a gate drive circuit and a display panel. The shift register includes: a first input module, a second input module, a first output module, a second output module, a first output control module and a second output control module, the first input module is configured to control the potential of a first node according to a first start signal and a first clock signal; the second input module is configured to control the potential of a second node according to a second start signal and the first clock signal; the first output control module is configured to control the potential of the second node; the first output module is configured to transmit a first potential signal or a second potential signal to a first output terminal of the shift register according to the potential of the first node and the potential of the second node.
    Type: Grant
    Filed: June 22, 2023
    Date of Patent: February 6, 2024
    Assignee: YUNGU (GU'AN) TECHNOLOGY CO., LTD.
    Inventors: Enqing Guo, Cuili Gai, Ling Wang, Junfeng Li
  • Patent number: 11893914
    Abstract: A test circuit and method for a display panel, and a display panel. The test circuit includes a panel test sub-circuit configured to control panel test switch units to turn on or turn off, to transmit multiple panel test signals; an array test sub-circuit configured to control array test switch units to turn on or turn off, to output short circuit determination signals at test terminals according to the multiple panel test signals, which are used to determine whether there is a short-circuited data line in the display panel; at least one set of the array test switch units are turned on in a test sub-period, and under a condition that the at least one set of the array test switch units are turned on, the panel test signals corresponding to different types of sub-pixels in the display panel change alternately to an effective level.
    Type: Grant
    Filed: February 2, 2022
    Date of Patent: February 6, 2024
    Assignee: Yungu (Gu' an) Technology Co., Ltd.
    Inventor: Guoxiao Bai
  • Patent number: 11880241
    Abstract: A flexible display panel and a flexible display apparatus. The flexible display panel includes a display panel body having a bent region and non-bent regions, and a flexible support layer attached to the shady surface of the bent region, the flexible support layer includes a flexible base and a heating layer, a plurality of magnetic balls are provided in the flexible base; where the heating layer is provided on the flexible base for heating the plurality of magnetic balls, the plurality of magnetic balls are expanded with heat to enable the hardness of the flexible support layer when the display panel body is in an unfolded state to be greater than the hardness of the flexible support layer when the display panel body is in a bent state. The flexible display panel will not be wrinkled during the bending and unfolding process, and has an improved display effect.
    Type: Grant
    Filed: November 5, 2021
    Date of Patent: January 23, 2024
    Assignee: YUNGU (GU'AN) TECHNOLOGY CO., LTD.
    Inventors: Yongfeng Zhao, Qi Shan, Zhaoji Zhu, Fu Liao, Bo Zhang, Fan Dong
  • Patent number: 11881132
    Abstract: A display panel and a display device. The display panel includes a test circuit located in a non-display region. The test circuit includes a plurality of switching transistors and at least one data switching line extending in a first direction. In each switching transistor, a first end of the switching transistor is electrically connected to a data line in the display panel, and a second end of the switching transistor is configured to receive a test data signal. The data switching line is disposed in the same layer as a source-drain layer of the switching transistor. The data switching line is configured to control the switching transistor to be turned on or off.
    Type: Grant
    Filed: May 10, 2022
    Date of Patent: January 23, 2024
    Assignee: YUNGU (GU'AN) TECHNOLOGY CO., LTD.
    Inventors: Ping Lan, Jiazuo Cai, Jiading Liu
  • Patent number: 11860219
    Abstract: A device and system for detecting a touch panel are used for detecting a metal mesh on the touch panel, where row direction channels and column direction channels on the metal meshes each include a plurality of touch units which are connected with each other. In the device for detecting a touch panel, a signal transceiving component includes a signal generating unit and a signal receiving unit, which are configured to be arranged on the same side of the metal meshes in preset relative positions, and send and receive a signal through capacitive coupling with the metal mesh, respectively; a defect detecting unit is configured to detect each of a plurality of touch units in the metal meshes based on a detection signal received by the signal receiving unit.
    Type: Grant
    Filed: October 1, 2021
    Date of Patent: January 2, 2024
    Assignee: Yungu (Gu'an) Technology Co., Ltd.
    Inventors: Guoxiao Bai, Yongzhi Zhang
  • Patent number: 11854459
    Abstract: A method for driving a pixel circuit. The pixel circuit includes a drive transistor. The method includes: acquiring a theoretical threshold voltage of the drive transistor and actual threshold voltages of the drive transistor at a plurality of different gray levels; determining compensation data voltages of the drive transistor at the plurality of different gray levels according to the theoretical threshold voltage of the drive transistor and the actual threshold voltages of the drive transistor at the plurality of different gray levels; and driving the pixel circuit emit light according to the compensation data voltages of the drive transistor at the plurality of different gray levels.
    Type: Grant
    Filed: November 16, 2022
    Date of Patent: December 26, 2023
    Assignee: YUNGU (GU'AN) TECHNOLOGY CO., LTD.
    Inventors: Ling Wang, Cuili Gai, Lei Mi
  • Publication number: 20230410745
    Abstract: A pixel circuit, a driving method thereof, and a display panel. The pixel circuit includes a drive module, a data write module, an auxiliary module, a compensation module, a storage module, a coupling module, and a light-emitting module. The data write module is configured to write a data-voltage-related voltage to a control terminal of the drive module through the auxiliary module . The compensation module is connected between a first terminal of the drive module and the control terminal of the drive module and is configured to compensate for the threshold voltage of the drive module. The coupling module is connected to the compensation module and is configured to adjust the voltage at the control terminal of the drive module according to a received jump voltage by using the compensation module. The storage module is connected to the control terminal of the drive module.
    Type: Application
    Filed: August 31, 2023
    Publication date: December 21, 2023
    Applicant: YUNGU (GU'AN) TECHNOLOGY CO., LTD.
    Inventors: Enqing GUO, Cuili GAI, Junfeng LI, Fa-Hsyang CHEN, Kangguan PAN, Rubo XING
  • Patent number: 11832455
    Abstract: The present application relates to display panel. An opening area of any one of sub-pixels of the first transitional display region is larger than an opening area of a same-colored sub-pixel of the first display region and is smaller than an opening area of a same-colored sub-pixel of the second display region. An interval between any two closest sub-pixels of a same color arranged in adjacent columns in the first display region is x; an interval between any two closest sub-pixels of a same color arranged in two adjacent columns respectively in the first transitional display region and the second display region is y; an interval between any two closest sub-pixels of a same color arranged in two adjacent columns in the second display region is z, wherein x?y?z. The present application also provides a display device.
    Type: Grant
    Filed: August 16, 2021
    Date of Patent: November 28, 2023
    Assignee: YUNGU (GU'AN) TECHNOLOGY CO., LTD.
    Inventors: Mingxing Liu, Ying Zhao, Bing Han, Shuaiyan Gan
  • Patent number: 11825617
    Abstract: In a foldable display apparatus, two second support parts and a first support part jointly support a flexible screen, a rotating part is slidably connected to the second support part on the same side of the first support part, and the second support part rotates relative to the first direction of the flexible screen and away from the first support part, a crackshaft is slidably connected with the rotating part to drive the rotating part to rotate therearound, a connecting lever drives the rotating part to slide toward the crankshaft along a thickness direction, the connecting lever is hinged at its two ends to the fixed portion and the rotating part respectively, the connecting rob is hinged at its two ends to the fixed portion and the second support part respectively, the bent portion of the flexible screen is U-shaped under the action of the second support parts.
    Type: Grant
    Filed: October 29, 2021
    Date of Patent: November 21, 2023
    Assignee: Yungu (Gu'an) Technology Co., Ltd.
    Inventors: Hongqi Hou, Qi Shan, Fu Liao, Zhaoji Zhu, Yongfeng Zhao, Kanglong Sun
  • Patent number: 11825681
    Abstract: A display panel includes: a substrate; a display component layer disposed on a side of the substrate; an encapsulation layer disposed on a side of the display component layer away from the substrate; and a touch-control layer disposed on a side of the encapsulation layer away from the display component layer. The display component layer and the touch-control layer are bonded by a bonding structure. A through hole is disposed in the encapsulation layer, and the bonding structure is disposed in the through hole. According to the display panel provided in the embodiments of the present application, a touch-control chip and a display driving chip are integrated into one chip assembly, and a position of the touch-control layer contacted with a display screen body and an encapsulation area of the display screen body are overlapped.
    Type: Grant
    Filed: December 8, 2021
    Date of Patent: November 21, 2023
    Assignee: Yungu (Gu'an) Technology Co., Ltd.
    Inventor: Xiuyu Zhang
  • Publication number: 20230351966
    Abstract: A pixel circuit, a driving method, and a display panel. The pixel circuit includes a driving module, a data write module, a first compensation module, a second compensation module, a light-emitting module, a storage module, and a coupling module. The data write module is configured to write a voltage related to a data voltage to a control terminal of the driving module. The driving module is configured to provide a drive signal for the light-emitting module according to the voltage of the control terminal to drive the light-emitting module to emit light. A first terminal of the second compensation module is connected to the control terminal of the driving module, a second terminal of the second compensation module is connected to a first terminal of the first compensation module, and a second terminal of the first compensation module is connected to a first terminal of the driving module.
    Type: Application
    Filed: July 11, 2023
    Publication date: November 2, 2023
    Applicant: YUNGU (GU'AN) TECHNOLOGY CO., LTD.
    Inventors: Enqing GUO, Cuili GAI, Kangguan PAN, Junfeng LI, Rubo XING, Fa-Hsyang CHEN
  • Patent number: 11763757
    Abstract: The pixel circuit includes a data-writing module, a drive module, a storage module, a first light emission control module, a second light emission control module, a light-emitting module and a first initialization module. A first terminal of the first initialization module is electrically connected to a second light emission control signal input terminal, a second terminal of the first initialization module is electrically connected to a control terminal of the drive module; or the pixel circuit includes an initialization voltage input terminal, the first terminal of the first initialization module is electrically connected to the initialization voltage input terminal, the second terminal of the first initialization module is electrically connected to the control terminal of the drive module. The first initialization module is configured to initialize the control terminal of the drive module under a control of a control signal input into a control terminal of the first initialization module.
    Type: Grant
    Filed: January 11, 2022
    Date of Patent: September 19, 2023
    Assignee: YUNGU (GU'AN) TECHNOLOGY CO., LTD.
    Inventors: Dongfang Zhao, Ling Wang, Zhe Du, Junfeng Li, Gang Wang, Yong Ge
  • Patent number: 11751346
    Abstract: The present application discloses a rotating device and a display device, which relate to a field of electronic technologies. The rotating device includes: a first member including an anti-rotation groove and at least one first connecting portion; and a second member including an anti-rotation protrusion and at least one second connecting portion. The first connecting portion and the second connecting portion are rotationally connected, and the anti-rotation protrusion enters the anti-rotation groove to prevent the first connecting portion from rotating along a first direction with respect to the second connecting portion.
    Type: Grant
    Filed: August 11, 2020
    Date of Patent: September 5, 2023
    Assignee: YUNGU (GU'AN) TECHNOLOGY CO., LTD.
    Inventors: Yuhua Wu, Qi Shan, Liwei Ding, Fu Liao, Yongfeng Zhao, Jia Liu