Patents by Inventor Qijun Yao

Qijun Yao 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).

  • Publication number: 20210326564
    Abstract: A method for driving a display panel and a display apparatus are provided. The display panel includes a display region including a fingerprint recognition region and includes subpixels located in the display region, and the subpixels include first subpixels located in the fingerprint recognition region and used as a light source for fingerprint recognition. In a first mode, the subpixels are scanned at a first frequency, and in the second mode, the subpixels are scanned at a second frequency. The second frequency is greater than the first frequency. The method includes: when the display panel is in the first mode, monitoring whether the display panel receives a fingerprint recognition requirement, and if yes, controlling the display panel to enter a trigger state; and when the display panel is in the trigger state, scanning the first subpixels at a frequency greater than the first frequency.
    Type: Application
    Filed: June 30, 2021
    Publication date: October 21, 2021
    Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Qijun YAO, Xingyao ZHOU, Shui HE
  • Publication number: 20210328199
    Abstract: Provided are a display panel and a display device. The display panel includes a base substrate, an anode layer disposed on the base substrate, a pixel defining layer located on a side of the anode layer facing away from the base substrate and including first openings, a light-emitting layer located in each of the plurality of first openings, and a black matrix located on a side of the light-emitting layer facing away from the base substrate and including second openings; where the orthographic projection of each of the plurality of first openings on the base substrate overlaps the orthographic projection of each of the plurality of second openings on the base substrate, the plurality of second openings includes first-type openings, and each first-type opening of the plurality of first-type openings is polygonal and includes at least one first-type edge.
    Type: Application
    Filed: June 28, 2021
    Publication date: October 21, 2021
    Applicant: Hubei Yangtze Industrial Innovation Center Of Advanced Display Co., Ltd.
    Inventors: Qijun YAO, Yaodong WU, Yang ZENG, Linshan GUO
  • Patent number: 11126226
    Abstract: A display panel and a display apparatus. The display panel includes at least one first region, at least two second regions, and a detection layer. The first region and the second region are adjacently arranged along a first direction, and the first region is located between adjacent second regions. The first region is bent, and the second region is not bent, in a case that the display panel is bent. The detection layer includes at least one detection unit, the detection unit is located in the second region, the detection unit does not overlap with the first region, and the detection unit is configured to detect bending of the first region. The display panel has high detection accuracy and strong detection capability.
    Type: Grant
    Filed: July 2, 2019
    Date of Patent: September 21, 2021
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Feng Lu, Liang Liu, Conghua Ma, Qijun Yao
  • Publication number: 20210279438
    Abstract: Provided are an ultrasonic fingerprint recognition circuit, a display panel, a display device and a driving method. A first end of the ultrasonic fingerprint recognizer is electrically connected to an ultrasonic signal input end of the ultrasonic fingerprint recognition circuit, and a second end of the ultrasonic fingerprint recognizer is electrically connected to a first end of the acquisition device; a control end of the sampling signal device is electrically connected to a sampling control end of the ultrasonic fingerprint recognition circuit, a first end of the sampling signal device is electrically connected to a first sampling signal end of the ultrasonic fingerprint recognition circuit, a second end of the sampling signal device is electrically connected to a second sampling signal end of the ultrasonic fingerprint recognition circuit, and a third end of the sampling signal device is electrically connected to a control end of the acquisition device.
    Type: Application
    Filed: May 26, 2021
    Publication date: September 9, 2021
    Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.
    Inventors: Qijun YAO, Lu Lian
  • Patent number: 11101332
    Abstract: An OLED display panel and a display device are provided. The OLED display panel includes an array substrate, a circular polarizing plate disposed on one side of the array substrate, a first stack structure disposed between the array substrate and the circular polarizing plate, and at least one touch-control electrode layer disposed on one side of the first stack structure facing towards and/or facing away the circular polarizing plate. The first stack structure comprising at least one touch-control electrode substrate and at least one compensation film. A sum of phase retardation of the at least one touch-control electrode substrate and the at least one compensation film with respect to a beam of light at a same frequency is smaller than or equal to a predetermined value.
    Type: Grant
    Filed: April 4, 2017
    Date of Patent: August 24, 2021
    Assignees: Shanghai Tianma Micro-Electronics Co., Ltd., Tianma Micro-Electronics Co., Ltd.
    Inventors: Yang Zeng, Qijun Yao, Xingyao Zhou, Lihua Wang
  • Patent number: 11093057
    Abstract: A flexible touch display panel is provided. The touch display panel includes: a flexible substrate; a light emitting unit layer disposed on the flexible substrate, including a plurality of light emitting units; a first touch electrode layer; a second touch electrode layer; and an insulation layer disposed between the first touch electrode layer and the second touch electrode layer, the first touch electrode layer includes a plurality of first touch electrodes insulated from each other, the first touch electrodes are strip-shaped, extend along a bending axis of the display panel; the second touch electrode layer includes a plurality of second touch electrodes insulated from each other, the second touch electrodes are strip-shaped, extend along a direction perpendicular to the bending axis and are arranged along the bending axis. The first touch electrode layer is a transparent conductive layer, the second touch electrode layer is metal mesh.
    Type: Grant
    Filed: June 29, 2017
    Date of Patent: August 17, 2021
    Assignee: Shanghai Tianma AM-OLED Co., Ltd.
    Inventor: Qijun Yao
  • Patent number: 11086439
    Abstract: Display panel and display apparatus are provided. The display panel includes a display layer and a touch control layer. The display layer includes pixel units each including a number of sub-pixels arranged as a matrix. The touch control layer includes a bridge layer, a touch control metal layer, and an insulation layer there-between. The touch control metal layer includes metal mesh units, corresponding to the pixel units. In the touch control metal layer, adjacent metal mesh units are not connected. The touch control layer also includes at least one first touch control electrode, each including multiple metal mesh units. Adjacent two metal mesh units of the multiple metal mesh units are electrically connected through a connection lead. The connection lead is disposed on the bridge layer and electrically connected to each of the adjacent two metal mesh units through a corresponding via hole in the insulation layer.
    Type: Grant
    Filed: December 30, 2019
    Date of Patent: August 10, 2021
    Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Hong Ding, Qijun Yao, Xiaoyue Su
  • Publication number: 20210242298
    Abstract: Provided are a display panel and a display device. The display panel includes a substrate, a drive module layer, a planarization layer, an anode layer, an organic light-emitting layer, a cathode layer and an auxiliary connection line. The drive module layer, the planarization layer, the anode layer, the organic light-emitting layer and the cathode layer are sequentially disposed on the substrate. The drive module layer is provided with drive modules; and the anode layer includes blocky anodes. On a plane parallel to a plane where the substrate is located, the auxiliary connection line is disposed in a gap region between adjacent two of the blocky anodes and is insulated from the blocky anodes.
    Type: Application
    Filed: April 20, 2021
    Publication date: August 5, 2021
    Applicant: Hubei Yangtze Industrial Innovation Center Of Advanced Display Co., Ltd.
    Inventors: Feng LU, Qijun YAO
  • Patent number: 11073932
    Abstract: A touch display panel and a display device are provided. The touch display panel includes a display area and a non-display area around the display area. The non-display area includes a plurality of pressure sensors. At least one of the plurality of pressure sensors is located a distance of H away from a closest corner of the touch display panel, where H satisfies: 2.5 mm<H<42.5 mm. The touch display panel and the display device are provided to improve the pressure detection of the touch display panel.
    Type: Grant
    Filed: October 16, 2017
    Date of Patent: July 27, 2021
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Liang Liu, Feng Lu, Qijun Yao, Shaolong Ma
  • Patent number: 11061290
    Abstract: A liquid crystal module includes an array substrate, a color film substrate, and a liquid crystal layer. The array substrate and the color film substrate are disposed oppositely. The liquid crystal layer is disposed between the array substrate and the color film substrate. The array substrate includes a pixel electrode and a capacitor metal layer arranged on a side of the pixel electrode away from the liquid crystal layer. The capacitor metal layer and the pixel electrode form a storage capacitor. The color film substrate includes a reset electrode assembly. In a reset period, the reset electrode assembly is configured to access to a reset voltage signal to orient liquid crystal molecules along a first orientation direction. The reset electrode assembly includes an adjustment structure. During the reset period, the adjustment structure is configured to reduce a capacitive reactance load when the reset voltage signal is turned off.
    Type: Grant
    Filed: June 25, 2020
    Date of Patent: July 13, 2021
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Shihao Tang, Yang Zeng, Qijun Yao, Xiaoyue Su, Feng Lu
  • Publication number: 20210183957
    Abstract: Provided are a display panel, a preparation method thereof and a display device. The display panel includes a light-emitting substrate and a color filter substrate; the color filter substrate includes: a substrate, a baffle wall layer and a reflective metal layer. The baffle wall layer is located on one side of the substrate and includes multiple baffle wall structures; the reflective metal layer includes a first reflective subsection covering a surface on a side, close to the light-emitting substrate, of the multiple baffle wall structures; the first reflective subsection includes multiple first metal subsections and multiple second metal subsections; and the multiple first metal subsections are independently disposed, and adjacent ones of the multiple second metal subsections along the first direction are connected to each other.
    Type: Application
    Filed: February 1, 2021
    Publication date: June 17, 2021
    Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.
    Inventors: Qing ZHANG, Feng LU, Yang ZENG, Qijun YAO
  • Publication number: 20210151516
    Abstract: A display panel and a display apparatus are provided. The display panel includes a display area, a bezel area, and a hole area. The bezel area includes an inner bezel area surrounding the hole area and an outer bezel area surrounding the display area, and the display area surrounds the hole area and is disposed between the inner bezel area and the outer bezel area. The display panel further includes a substrate layer, a light-emitting layer, an encapsulation layer and a touch layer, that are sequentially stacked; a detection line including a first detection line. The first detection line includes a first detection segment disposed in the inner bezel area, a third detection segment disposed in outer bezel area, and a second detection segment electrically connecting the first detection segment and the third detection segment. The second detection segment is disposed in the touch layer.
    Type: Application
    Filed: February 1, 2021
    Publication date: May 20, 2021
    Inventors: Hong DING, Qijun YAO
  • Patent number: 10990206
    Abstract: Disclosed are a display panel and a touch display device. The display panel comprises: a first substrate and a second substrate provided opposite to each other, which are adhered to each other via a sealant; a plurality of pressure sensors, which are provided on one side of the first substrate facing the second substrate or on one side of the second substrate facing the first substrate, wherein, the pressure sensor comprises plurality of resistors, and a projection of the sealant in a direction vertical to the display panel covers at least one resistor in the pressure sensor. In the embodiments of the disclosure, the projection of the sealant adhering the first substrate to the second substrate in the direction vertical to the display panel covers at least one resistor in the pressure sensor.
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: April 27, 2021
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Liang Liu, Qijun Yao, Xingyao Zhou
  • Patent number: 10955948
    Abstract: A touch display panel and a touch display device are provided. The touch display panel includes: a substrate, a light-emitting device layer arranged on the substrate, and multiple touch electrodes arranged on the side of the light-emitting device layer away from the substrate. The light-emitting device layer includes multiple pixels, and each of the pixels has a light-emitting region and a non-light-emitting region on the periphery of the light-emitting region. Each of the touch electrodes has a structure of a metal grid. The pixels include first color pixels, and grid lines of the metal grid are arranged in each of the non-light-emitting regions of at least a part of the first color pixels.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: March 23, 2021
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Qijun Yao, Hong Ding, Lingxiao Du, Liang Xie
  • Patent number: 10937843
    Abstract: A display panel and a display apparatus are provided. The display panel includes a display area, a bezel area and a hole area. The bezel area includes an inner bezel area surrounding the hole area and an outer bezel area surrounding the display area, and the display area surrounds the hole area and is disposed between the inner bezel area and the outer bezel area. The display panel also includes a substrate layer, a light-emitting layer, an encapsulation layer and a touch layer that are sequentially stacked; at least two detection soldering pads disposed in the outer bezel area; and a detection line including at least one first detection segment disposed in the inner bezel area, at least two second detection segments disposed in the display area and at least two third detection segments in outer bezel area.
    Type: Grant
    Filed: November 19, 2019
    Date of Patent: March 2, 2021
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Hong Ding, Qijun Yao
  • Publication number: 20200379277
    Abstract: Display panel and display device are provided. The display panel includes a first substrate, a second substrate, and a plurality of pixel units. Each pixel unit includes a heating element, a reflective layer, a resonant cavity, and a phase-change material layer sequentially disposed on the first substrate, and a liquid crystal cell. The display panel also includes first signal lines extending along a row direction, second signal lines extending along the column direction, and a driving circuit in correspondence to each pixel unit. The driving circuit includes a first driving module and a second driving module that are connected to a same first signal line and a same second signal line. The first driving module drives the heating element to control the state of the phase-change material layer, and the second driving module controls the deflection of liquid crystal molecules in the liquid crystal cell.
    Type: Application
    Filed: October 31, 2019
    Publication date: December 3, 2020
    Inventors: Feng LU, Qijun YAO, Yang ZENG
  • Publication number: 20200335017
    Abstract: A rollable display device including a rollable display module is provided. The rollable display module includes a hard film group and a flexible film group that are stacked, the hard film group has a greater overall Young's modulus than the flexible film group, and the rollable display device has a rolled state and an unrolled state; the hard film group includes a first surface facing away from the flexible film group in the unrolled state; the rollable display module is rolled towards the first surface in the rolled state; a minimum thickness of the flexible film group is D1, a thickness of the hard film group is D2, and D1/(D1+D2)>?n/M, where n is a positive number that represents a preset number of rolling turns of the rollable display module, and M represents a failure strain of the flexible film group under a shearing stress.
    Type: Application
    Filed: June 30, 2020
    Publication date: October 22, 2020
    Inventors: Qijun YAO, Qing ZHANG
  • Publication number: 20200310586
    Abstract: Display panel and display apparatus are provided. The display panel includes a display layer and a touch control layer. The display layer includes pixel units each including a number of sub-pixels arranged as a matrix. The touch control layer includes a bridge layer, a touch control metal layer, and an insulation layer there-between. The touch control metal layer includes metal mesh units, corresponding to the pixel units. In the touch control metal layer, adjacent metal mesh units are not connected. The touch control layer also includes at least one first touch control electrode, each including multiple metal mesh units. Adjacent two metal mesh units of the multiple metal mesh units are electrically connected through a connection lead. The connection lead is disposed on the bridge layer and electrically connected to each of the adjacent two metal mesh units through a corresponding via hole in the insulation layer.
    Type: Application
    Filed: December 30, 2019
    Publication date: October 1, 2020
    Inventors: Hong DING, Qijun YAO, Xiaoyue SU
  • Publication number: 20200310168
    Abstract: Display panel and display device are provided. The display panel includes a plurality of pixels and a blocking metal wire. The pixel includes a display unit and a control unit driving the display unit. The display unit at least includes a heating element and a phase change material layer. The heating element includes a first connecting terminal and a second connecting terminal. The control unit includes a first signal terminal and a second signal terminal. The control unit includes at least one diode, which includes a diode semiconductor layer including a first electrode contact region, a second electrode contact region and a connecting region. The blocking metal wire covers the connecting region and is insulated from the connecting region. The blocking metal wire is electrically connected to each of the first signal terminal and the first signal source or to each of the second connecting terminal and the second signal source.
    Type: Application
    Filed: July 2, 2019
    Publication date: October 1, 2020
    Inventors: Shaolong MA, Feng LU, Qijun YAO
  • Patent number: 10782841
    Abstract: Provided are a touch display panel and a display device. The touch display panel includes a first touch electrode, a second touch electrode, a shielding signal line, and a driving chip. The first touch electrode and the driving chip are electrically connected by a first electrode line. The first electrode line includes at least one part located in a first non-display region of the touch display panel. The second touch electrode includes a first touch sub-electrode and a second touch sub-electrode, which are connected by a first connection line. The first connection line includes at least one part located in the first non-display region. The shielding signal line includes at least one part located in the first non-display region. In the first non-display region, the first electrode line and the first connection line are isolated by the shielding signal line.
    Type: Grant
    Filed: December 16, 2019
    Date of Patent: September 22, 2020
    Inventors: Guofeng Zhang, Hong Ding, Qijun Yao