Patents by Inventor Yingteng ZHAI

Yingteng ZHAI has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10997897
    Abstract: A driving method for a display panel and a display device are provided. The driving method includes: dividing a one-frame period of the display panel into N sub-frames, and setting a light-emitting duration of each sub-frame, where N is a positive integer greater than 1, and i=1 to N; determining, based on a target display brightness value L, a number k of sub-frames in which a sub-pixel is to be driven to emit light, and when k<N, a light-emitting duration of any of the k sub-frames is shorter than a light-emitting duration of any other sub-frame of the N sub-frames in which the sub-pixel is not to be driven to emit light; acquiring a light-emitting brightness value Lemit of the sub-pixel in each of the k sub-frames based on L; and driving the sub-pixel to emit light with the light-emitting brightness value Lemit in each of the k sub-frames.
    Type: Grant
    Filed: December 30, 2019
    Date of Patent: May 4, 2021
    Assignee: Shanghai AVIC OPTO Electronics Co., Ltd.
    Inventors: Yingteng Zhai, Tianyi Wu
  • Patent number: 10997916
    Abstract: Driving method for driving circuit, display panel, and display device are provided. The method includes: in a data writing stage, transmitting data signal voltage to a gate electrode of the driving transistor in response to a scan signal in a first scan signal line; in a light-emitting stage, turning on a driving path connecting the driving transistor to the light-emitting device, and making the driving transistor generate a driving current based on the voltage of the gate electrode in the driving transistor to drive the light-emitting device to emit light, in response to a light-emitting signal in a light-emitting signal line; and in a compensation stage, compensating the voltage of the gate electrode in the driving transistor by using a first power signal voltage. The light-emitting stage and the compensation stage overlap with each other, and a starting time of the compensation stage is after a starting time of the light-emitting stage.
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: May 4, 2021
    Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Yuheng Zhang, Yong Yuan, Jieliang Li, Wanming Huang, Yingteng Zhai
  • Publication number: 20210065608
    Abstract: A driving method for a display panel and a display device are provided. The driving method includes: dividing a one-frame period of the display panel into N sub-frames, and setting a light-emitting duration of each sub-frame, where N is a positive integer greater than 1, and i=1 to N; determining, based on a target display brightness value L, a number k of sub-frames in which a sub-pixel is to be driven to emit light, and when k<N, a light-emitting duration of any of the k sub-frames is shorter than a light-emitting duration of any other sub-frame of the N sub-frames in which the sub-pixel is not to be driven to emit light; acquiring a light-emitting brightness value Lemit of the sub-pixel in each of the k sub-frames based on L; and driving the sub-pixel to emit light with the light-emitting brightness value Lemit in each of the k sub-frames.
    Type: Application
    Filed: December 30, 2019
    Publication date: March 4, 2021
    Applicant: Shanghai AVIC OPTO Electronics Co.,Ltd
    Inventors: Yingteng ZHAI, Tianyi WU
  • Publication number: 20210065655
    Abstract: The present disclosure discloses a driving method for pulse width and voltage hybrid modulation, a driving device and a display device, the method including: after receiving a frame image to be displayed, generating N sub-frame images from the received frame image to be displayed; then controlling a display panel to display each sub-frame image in turn, and controlling, when each sub-frame image is displayed, the sub-pixel that needs to emit light in the sub-frame image to emit light according to the corresponding light-emitting brightness in the light-emitting period corresponding to the sub-frame image. In one sub-frame image, the light-emitting brightness of the sub-pixel is determined by the display brightness corresponding to the sub-pixel in the frame image to be displayed, and the light-emitting time configured for the sub-frame image.
    Type: Application
    Filed: December 31, 2019
    Publication date: March 4, 2021
    Inventors: Yingteng Zhai, Liang XING, Tianyi WU
  • Publication number: 20210013433
    Abstract: A stretchable display panel and a stretchable display device are provided. The stretchable display panel includes a stretchable substrate including island structures and bridge structures, and two adjacent island structures are connected by the bridge structure. The island structure includes a first carrier substrate and a first display layer including a pixel unit, and the bridge structure comprises a second carrier substrate and a second display layer including a signal line. The bridge structure has a first cross section perpendicular to a plane of the second carrier substrate and perpendicular to an extending direction of the bridge structure. A maximum width W1 of the first cross section in a first direction is smaller than or equal to maximum thickness H1 of the bridge structure in the direction perpendicular to the plane, and the first direction is parallel to the plane and perpendicular to the extending direction.
    Type: Application
    Filed: September 29, 2020
    Publication date: January 14, 2021
    Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventor: Yingteng ZHAI
  • Patent number: 10871842
    Abstract: A flexible display device comprises at least one bending area provided with a bending axis and a non-bending area; a flexible display panel having a first surface for displaying images; a flexible insulating layer disposed on the first surface and divided into a plurality of flexible insulating blocks in the at least one bending area; and a touch control unit comprising a first touch control electrode layer in direct contact with the flexible insulating layer. The first touch control electrode layer includes a plurality of first touch control electrodes. Any one of the plurality of flexible insulating blocks corresponds to at least one of the plurality of first touch control electrodes. In a plane of the first surface for displaying images and in a direction perpendicular to the bending axis, a gap between any two adjacent flexible insulating blocks overlaps with a gap between two adjacent first touch control electrodes.
    Type: Grant
    Filed: January 28, 2019
    Date of Patent: December 22, 2020
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventor: Yingteng Zhai
  • Patent number: 10867539
    Abstract: A display module includes a display panel including sub-pixels and a pixel shift unit at a side of a light-emitting surface of the display panel. For a sub-pixel, at a first time, the pixel shift unit does not shift the light emitted by the sub-pixel, and after the light emitted by the sub-pixel passing through the pixel shift unit, a first display pixel is formed corresponding to the sub-pixel, and at a second time, the pixel shift unit shifts the light emitted by the sub-pixel, and after the light emitted by the sub-pixel passing through the pixel shift unit, a second display pixel is formed corresponding to the sub-pixel. The second display pixel does not overlap the first display pixel. Orthographic projections of the second display pixel corresponding to the sub-pixel and a first display pixel of at least one adjacent sub-pixel overlap.
    Type: Grant
    Filed: December 30, 2019
    Date of Patent: December 15, 2020
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventor: Yingteng Zhai
  • Patent number: 10862066
    Abstract: A display panel and a display apparatus are provided. An exemplary display panel includes a flexible display substrate; and a protective member covering a surface of the flexible display substrate. The protective member includes a first protective layer and a protective sealant; and a sidewall surface of the first protective layer adjacent to the protective sealant includes at least one first groove member. The first protective sealant and the first groove member clutch with each other; the display panel includes a first non-folding region and a folding region; the first protective layer is disposed in the first non-folding region; and the protective sealant is disposed in the folding region.
    Type: Grant
    Filed: October 24, 2018
    Date of Patent: December 8, 2020
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Yingteng Zhai, Chuanli Leng, Wenxin Jiang, Gang Liu
  • Patent number: 10854141
    Abstract: A pixel array, a driving method and an organic light emitting display panel are provided. The pixel array includes pixel driving circuits arranged in N rows and M columns. The pixel driving circuit in the Nth row includes: a first transistor, a second transistor, a third transistor, a third transistor, a fourth transistor, a fifth transistor, a sixth transistor, a seventh transistor, and a first capacitor. A first electrode of the second transistor is connected to a data signal voltage via the first transistor and is connected to a first power voltage via the fourth transistor. A second electrode of the second transistor is connected to a light emitting element via the fifth transistor. A gate electrode and the second electrode of the second transistor are connected via the third transistor. The gate electrode of the second transistor is also connected to the seventh transistor.
    Type: Grant
    Filed: December 11, 2019
    Date of Patent: December 1, 2020
    Assignees: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Yingteng Zhai, Gang Liu
  • Publication number: 20200365078
    Abstract: A pixel driving circuit and a driving method thereof, a display panel and a display device are provided. A second light emitting control device controls, in a case that a first light emitting control device controls a floating signal to be transmitted to a gate of a drive transistor for a first predetermined time period, a driving current to be transmitted to a light emitting element, and the light emitting element can emit light. In this way, the light emitting element can be driven to emit light after a fluctuation period of a voltage of the gate of the drive transistor during which the floating signal is initially inputted to the gate of the drive transistor is passed, improving the stability of the pixel driving circuit in driving the light emitting element.
    Type: Application
    Filed: July 30, 2020
    Publication date: November 19, 2020
    Inventors: Yingteng ZHAI, Chenhang SHENG
  • Publication number: 20200350301
    Abstract: Disclosed are a display panel and a display device. The display panel includes: a substrate and a pixel array, where the pixel array is located on a side of the substrate, and the pixel array includes at least one inorganic insulating layer, and an edge of the inorganic insulating layer are located in the non-display area; a first repair layer, where the first repair layer is located in the non-display area, the first repair layer is located on a side of the inorganic insulating layer facing away from the substrate, the first repair layer covers the edge of the inorganic insulating layer, the first repair layer is in contact with the substrate, and the first repair layer has a repair function; and a light source, where the light source is located in the non-display area and configured to provide light to the first repair layer to trigger the repair function.
    Type: Application
    Filed: June 19, 2020
    Publication date: November 5, 2020
    Inventor: Yingteng ZHAI
  • Patent number: 10826004
    Abstract: The present disclosure describes a flexible display panel and display apparatus. The flexible display panel comprises: a flexible substrate; an array layer located on the flexible substrate; a display layer located on a side of the array layer facing away from the flexible substrate, the display layer comprising a plurality of light-emitting devices; a shielding film located on a side of the flexible substrate facing away from the array layer; the flexible display panel comprises a bendable area, the shielding film has a plurality of hollow portions at least at the bendable area. The present disclosure can shield the film to relieve the bending stress when the flexible display panel is bent, thereby avoiding the crease of the flexible display panel in the bending area, and achieving performance reliability of the flexible display panel.
    Type: Grant
    Filed: September 11, 2019
    Date of Patent: November 3, 2020
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventor: Yingteng Zhai
  • Publication number: 20200342797
    Abstract: A display module includes a display panel including sub-pixels and a pixel shift unit at a side of a light-emitting surface of the display panel. For a sub-pixel, at a first time, the pixel shift unit does not shift the light emitted by the sub-pixel, and after the light emitted by the sub-pixel passing through the pixel shift unit, a first display pixel is formed corresponding to the sub-pixel, and at a second time, the pixel shift unit shifts the light emitted by the sub-pixel, and after the light emitted by the sub-pixel passing through the pixel shift unit, a second display pixel is formed corresponding to the sub-pixel. The second display pixel does not overlap the first display pixel. Orthographic projections of the second display pixel corresponding to the sub-pixel and a first display pixel of at least one adjacent sub-pixel overlap.
    Type: Application
    Filed: December 30, 2019
    Publication date: October 29, 2020
    Inventor: Yingteng ZHAI
  • Patent number: 10768476
    Abstract: A display device is provided. The display device includes a display panel including a light-exiting side, and a birefringent structure disposed at the light-exiting side of the display panel. A plane of the birefringent structure is parallel to a plane of the display panel. When the display device is in a display stage, the birefringent structure and the display panel are configured with a relative rotation at a plane parallel to the plane of the birefringent structure.
    Type: Grant
    Filed: June 28, 2019
    Date of Patent: September 8, 2020
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Yingteng Zhai, Jialing Li
  • Patent number: 10770485
    Abstract: Provided are an array substrate, display panels and display devices.
    Type: Grant
    Filed: September 10, 2019
    Date of Patent: September 8, 2020
    Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventor: Yingteng Zhai
  • Publication number: 20200279524
    Abstract: Driving method for driving circuit, display panel, and display device are provided. The method includes: in a data writing stage, transmitting data signal voltage to a gate electrode of the driving transistor in response to a scan signal in a first scan signal line; in a light-emitting stage, turning on a driving path connecting the driving transistor to the light-emitting device, and making the driving transistor generate a driving current based on the voltage of the gate electrode in the driving transistor to drive the light-emitting device to emit light, in response to a light-emitting signal in a light-emitting signal line; and in a compensation stage, compensating the voltage of the gate electrode in the driving transistor by using a first power signal voltage. The light-emitting stage and the compensation stage overlap with each other, and a starting time of the compensation stage is after a starting time of the light-emitting stage.
    Type: Application
    Filed: December 18, 2019
    Publication date: September 3, 2020
    Inventors: Yuheng ZHANG, Yong YUAN, Jieliang LI, Wanming HUANG, Yingteng ZHAI
  • Publication number: 20200278567
    Abstract: A display device is provided. The display device includes a display panel including a light-exiting side, and a birefringent structure disposed at the light-exiting side of the display panel. A plane of the birefringent structure is parallel to a plane of the display panel. When the display device is in a display stage, the birefringent structure and the display panel are configured with a relative rotation at a plane parallel to the plane of the birefringent structure.
    Type: Application
    Filed: June 28, 2019
    Publication date: September 3, 2020
    Inventors: Yingteng ZHAI, Jialing LI
  • Patent number: 10756304
    Abstract: An organic light-emitting display panel and a display device are provided. The light-emitting display panel includes a first electrode layer including a reflective electrode, and a second electrode layer arranged opposite to the first electrode layer and including a semi-reflective electrode. The light-emitting display panel also includes a light-emitting material layer between the two electrode layers. The second electrode layer has a first side facing the light-emitting material layer and an opposing second side. Further, the light-emitting display panel includes a light-coupling layer group disposed on the opposing second side of the second electrode layer. The light-coupling layer group includes at least one light-coupling stacked layer including a first light-coupling layer arranged close to the second electrode layer and a second light-coupling layer arranged far away from the second electrode layer.
    Type: Grant
    Filed: April 3, 2018
    Date of Patent: August 25, 2020
    Assignee: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Guofeng Zhang, Yingteng Zhai, Haijing Chen
  • Patent number: 10693090
    Abstract: A flexible display panel and a display device are provided. The flexible display panel includes a flexible substrate, and an inorganic film layer located on the flexible substrate. The inorganic film layer includes a first portion and a second portion. The first portion is connected with the second portion, and the first portion has a first thickness T1. Further, the second portion has a second thickness T2, and T1<T2, and the first portion includes at least one first sub-portion and at least one second sub-portion. The first sub-portion is smoothly connected with the second sub-portion at a boundary line extending in a first direction, and from the boundary line, a dimension of the second sub-portion in the first direction gradually changes in a direction away from the first sub-portion.
    Type: Grant
    Filed: October 22, 2018
    Date of Patent: June 23, 2020
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Yingteng Zhai, Yong Wu
  • Publication number: 20200194698
    Abstract: The present disclosure describes a flexible display panel and display apparatus. The flexible display panel comprises: a flexible substrate; an array layer located on the flexible substrate; a display layer located on a side of the array layer facing away from the flexible substrate, the display layer comprising a plurality of light-emitting devices; a shielding film located on a side of the flexible substrate facing away from the array layer; the flexible display panel comprises a bendable area, the shielding film has a plurality of hollow portions at least at the bendable area. The present disclosure can shield the film to relieve the bending stress when the flexible display panel is bent, thereby avoiding the crease of the flexible display panel in the bending area, and achieving performance reliability of the flexible display panel.
    Type: Application
    Filed: September 11, 2019
    Publication date: June 18, 2020
    Inventor: Yingteng ZHAI