Patents by Inventor Lijun Zhao

Lijun Zhao 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: 10572042
    Abstract: An in cell touch panel, a driving method thereof and a display device are disclosed. The in cell touch panel includes a substrate, an organic light emitting structure on the substrate, and a package protection layer coating said organic light emitting structure. The in cell touch panel further includes a touch electrode structure disposed between the substrate and the package protection layer and coated by the package protection layer; and a connecting terminal disposed on the substrate and coated by the package protection layer. The connecting terminal is electrically connected to a touch electrode in the touch electrode structure.
    Type: Grant
    Filed: May 9, 2017
    Date of Patent: February 25, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Changfeng Li, Xue Dong, Haisheng Wang, Chunwei Wu, Yingming Liu, Rui Xu, Pengpeng Wang, Wei Liu, Lijun Zhao, Yanan Jia, Yanling Han, Yuzhen Guo
  • Patent number: 10564757
    Abstract: The present disclosure provides a force touch sensor, a display device and a driving method thereof. The force touch sensor comprises a driving electrode, a sensing electrode, a piezoelectric material layer and a piezoresistive material layer, wherein the piezoelectric material layer and the piezoresistive material layer are disposed between the driving electrode and the sensing electrode.
    Type: Grant
    Filed: August 11, 2017
    Date of Patent: February 18, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yuzhen Guo, Xue Dong, Haisheng Wang, Chun Wei Wu, Yingming Liu, Rui Xu, Yanan Jia, Lijun Zhao, Yunke Qin, Pinchao Gu, Changfeng Li, Xiaoliang Ding
  • Patent number: 10564464
    Abstract: Disclosed is a display device, including a display panel having a plurality of pixel units, a protection cover plate disposed on a light exit surface of the display panel, and a plurality of light sensing devices for pattern recognition disposed on one side of the pixel unit facing away from the light exit surface, and a light collimating member disposed between the protection cover plate and the plurality of light sensing devices, wherein orthogonal projections of the light sensing device and the pixel unit on the display panel do not overlap each other, and the light collimating member has a light transmitting area above the light sensing device and a light shielding area outside the light transmitting area.
    Type: Grant
    Filed: September 15, 2017
    Date of Patent: February 18, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Haisheng Wang, Yingming Liu, Xiaoliang Ding, Rui Xu, Lijun Zhao, Yanan Jia, Pinchao Gu, Yunke Qin, Yuzhen Guo, Yanling Han, Chun Wei Wu, Changfeng Li, Xue Dong
  • Patent number: 10546176
    Abstract: The present disclosure provides an optical fingerprint identification assembly, a display panel and a display apparatus. The optical fingerprint identification assembly comprises: a light source component configured to provide a light source to illuminate a fingerprint to be identified; a light screening component disposed at a downstream of the light source component in a light path and configured to collimate light emitted from the light source component, reflected by the fingerprint to be identified and entering the light screening component; and a fingerprint identification component disposed at a downstream of the light screening component and configured to receive the light collimated by the light screening component, so as to carry out fingerprint identification. The optical fingerprint identification assembly has the advantages of low cost, compact structure and good identification effect.
    Type: Grant
    Filed: September 21, 2017
    Date of Patent: January 28, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Rui Xu, Haisheng Wang, Chunwei Wu, Yingming Liu, Pinchao Gu, Lijun Zhao, Changfeng Li, Yanan Jia, Xue Dong
  • Patent number: 10546174
    Abstract: A fingerprint identifying module, a fabrication method and a driving method for the same, and a display device are provided. The fingerprint identifying module includes a substrate, and a plurality of array-arranged fingerprint identifying modules provided on the substrate. Each of the fingerprint identifying modules includes a lower electrode, an upper electrode, and a photocurrent generating unit connected between the upper electrode and the lower electrode. The photocurrent generating unit includes a PN junction, one end of the PN junction being connected with the upper electrode, and the other end of the PN junction being connected with the lower electrode.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: January 28, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Changfeng Li, Haisheng Wang, Yingming Liu, Xiaoliang Ding, Rui Xu, Yanan Jia, Lijun Zhao, Yuzhen Guo, Pengpeng Wang, Wei Liu, Pengcheng Lu
  • Patent number: 10545616
    Abstract: The present disclosure provides a touch display panel, a flexible display panel and a display apparatus. In one embodiment, light sensitive effect-based photo-sensitive diodes and switching transistors for controlling signal output of the photo-sensitive diodes are integrated in the display panel. Once a touch operation of an object (e.g., a finger) is implemented on a surface of the display panel, the photo-sensitive diode in a corresponding position can convert a sensed light intensity difference into an electrical signal difference to achieve detection of the touch operation.
    Type: Grant
    Filed: February 16, 2017
    Date of Patent: January 28, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Haisheng Wang, Xue Dong, Jing Lv, Chunwei Wu, Yingming Liu, Xiaoliang Ding, Rui Xu, Lijun Zhao, Changfeng Li, Wei Liu, Pengpeng Wang, Yanan Jia, Yanling Han, Xueyou Cao, Ping Zhang, Yuzhen Guo
  • Patent number: 10509942
    Abstract: The present disclosure discloses a fingerprint identification device, a fingerprint identification method and a touch screen. The fingerprint identification device comprises: an optical sensor with a receiving surface configured to receive fingerprint reflected light; and a lens assembly configured to converge the fingerprint reflected light toward the receiving surface of the optical sensor, wherein the lens assembly includes a liquid crystal lens configured to converge the fingerprint reflected light toward the receiving surface of the optical sensor by rotating liquid crystal molecules at different angles upon energization.
    Type: Grant
    Filed: September 5, 2017
    Date of Patent: December 17, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Haisheng Wang, Lijun Zhao, Yingming Liu, Rui Xu, Changfeng Li, Yanan Jia, Yuzhen Guo, Pinchao Gu, Yunke Qin
  • Publication number: 20190376849
    Abstract: The embodiments of the present disclosure relate to a device for temperature detection, including a delay unit including an odd number of inverters coupled end to end, a switching transistor having a control electrode coupled to an output end of the delay unit, a first electrode coupled to an operating voltage node of the device, and a second electrode coupled to an input end of the delay unit, a first capacitor having a first end coupled to the input end of the delay unit, and a second end coupled to the first electrode of the switching transistor or a ground node of the device, and a temperature sensitive transistor having a control electrode coupled to a bias voltage end of the device, a first electrode coupled to the input end of the delay unit, and a second electrode coupled to the ground node of the device.
    Type: Application
    Filed: January 2, 2018
    Publication date: December 12, 2019
    Inventors: Lijun ZHAO, Haisheng WANG, Yingming LIU, Rui XU, Changfeng LI, Yanan JIA, Pengpeng WANG, Chih Jen CHENG
  • Patent number: 10503947
    Abstract: There is provided a touch panel comprising an array substrate and a fingerprint identification substrate. The array substrate comprises a first base and pixel units provided on the first base, each pixel unit comprises a thin film transistor and an organic light emitting diode, the fingerprint identification substrate comprises a second base and fingerprint identification devices provided on the second base, the fingerprint identification substrate is located at a side of the first base distal to the pixel units, the array substrate further comprises a light blocking layer and a via-hole, the via-hole is formed in the light blocking layer so that light emitted by the organic light emitting diode is reflected by a surface of a touch terminal, the surface of the touch terminal comprises ridges and valleys, light reflected by the ridges and the valleys passes through the via-hole to irradiate onto different fingerprint identification devices respectively.
    Type: Grant
    Filed: July 7, 2017
    Date of Patent: December 10, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yingming Liu, Xue Dong, Jing Lv, Haisheng Wang, Chunwei Wu, Xiaoliang Ding, Rui Xu, Lijun Zhao, Changfeng Li, Yanan Jia, Yuzhen Guo, Yunke Qin, Pinchao Gu, Fanna Meng
  • Patent number: 10496867
    Abstract: The present disclosure provides a display device and a fingerprint identification method thereof, which belong to the field of fingerprint identification technology and can solve the existing problems of complex reflective light path in the process of fingerprint identification, large noise in the sensed signal and low accuracy of fingerprint identification. The display device in which the fingerprint identification method of a display device of the present disclosure is applicable comprises a plurality of pixel units for display, and a plurality of light sensing units for generating a sensed signal based on intensity of received light; the fingerprint identification method comprises: enabling part of the pixel units to emit light and keeping other pixel units not to emit light, and performing fingerprint identification based on the sensed signal generated by the plurality of light sensing units.
    Type: Grant
    Filed: February 24, 2017
    Date of Patent: December 3, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Pengpeng Wang, Xue Dong, Jing Lv, Haisheng Wang, Chunwei Wu, Xiaoliang Ding, Yingming Liu, Wei Liu, Yanling Han, Xueyou Cao, Changfeng Li, Rui Xu, Yanan Jia, Lijun Zhao
  • Publication number: 20190361559
    Abstract: Embodiments of the present disclosure provide a force touch display panel, a detection method thereof, and a display apparatus. The force touch display panel includes: a substrate; a display structure disposed in a display area on the substrate; and a force common electrode layer, a piezoelectric material layer, and a force sense electrode layer, which are stacked in sequence over the display structure. The force sense electrode layer includes a force sense electrode configured for identifying different forces, and the force sense electrode additionally serves as a touch detection electrode configured for identifying a touch operation.
    Type: Application
    Filed: June 15, 2018
    Publication date: November 28, 2019
    Inventors: Yuzhen GUO, Xue DONG, Haisheng WANG, Yingming LIU, Xiaoliang DING, Xueyou CAO, Lijun ZHAO, Chihjen CHENG
  • Patent number: 10489628
    Abstract: A fingerprint recognition device, a method for fabricating the same, and a display device are disclosed. The first electrically conductive connection member is arranged between the drain of the TFT and photosensitive members, and the photosensitive members are connected with the drain of the TFT through the first electrically conductive connection member. Even when the surface of the drain becomes rough after first vias are formed in the insulating layer, it is the first electrically conductive connection member that is electrically connected with the photosensitive members. The first electrically conductive connection member has a smooth surface. This prevents the effect of formation of first vias in the insulating layer on the optical property of photosensitive members, thus improving performance of the fingerprint recognition device.
    Type: Grant
    Filed: May 12, 2017
    Date of Patent: November 26, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yingming Liu, Xue Dong, Jing Lv, Haisheng Wang, Chunwei Wu, Xiaoliang Ding, Feng Liao, Qingrong Ren, Rui Xu, Changfeng Li, Yanan Jia, Lijun Zhao, Yuzhen Guo
  • Publication number: 20190354789
    Abstract: The embodiments of the present disclosure disclose a touch panel and a display apparatus. The touch panel includes a display unit comprising a plurality of pixel units; and a fingerprint recognition sensor disposed on one side of the display unit which is opposite to a light emitting surface of the display unit, wherein the display unit further comprises at least one via hole disposed between two adjacent pixel units, and a light divergence member disposed on one side of each via hole which is close to the fingerprint recognition sensor. The light divergence member is configured to irradiate reflected light obtained as light emitted by the pixel units is reflected by a touch body onto the fingerprint recognition sensor.
    Type: Application
    Filed: December 14, 2017
    Publication date: November 21, 2019
    Inventors: Pinchao Gu, Xue Dong, Haisheng Wang, Chunwei Wu, Yingming Liu, Rui Xu, Changfeng Li, Lijun Zhao, Yuzhen Guo, Yunke Qin, Yanan Jia, Ping Zhang
  • Publication number: 20190342999
    Abstract: An electric element includes a conducting path connecting electrodes and an insulating layer covering the conducting path. The electric element includes bonding portions in which the electrodes are disposed and a line portion connecting between the bonding portions. The line portion has a curved region sandwiched by portions having an outer shape curved on both sides of the insulating layer disposed to sandwich the conducting path. The line portion includes bonding patterns including metal surfaces exposed from the insulating layer. Each of contours of the bonding patterns includes at least two linear sides. At least two sides of the contour of a first bonding pattern disposed in the curved region are parallel or substantially parallel to at least two sides of a contour of at least one of the bonding patterns adjacent in an extending direction of the line portion.
    Type: Application
    Filed: July 18, 2019
    Publication date: November 7, 2019
    Inventor: Lijun ZHAO
  • Patent number: 10437363
    Abstract: The invention discloses an In-Cell touch panel and a touch display device. The In-Cell touch panel includes: a color filter substrate; a common electrode disposed on the color filter substrate; an array substrate disposed opposite the color filter substrate; an IC disposed on the array substrate; a plurality of data lines and a plurality of gate lines disposed perpendicular to the data lines are disposed on the array substrate; the common electrode is divided into a plurality of common electrode lines, where the common electrode lines also function as drive electrodes or sense electrodes, and the IC is a timesharing IC used for providing the In-Cell touch panel with display signals and touch drive signals and detecting the touch signals of the In-Cell touch panel. The In-Cell touch panel provided by the present invention can effectively reduce the requirement for load of the timesharing IC by the In-Cell touch panel.
    Type: Grant
    Filed: June 29, 2017
    Date of Patent: October 8, 2019
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Jun Ma, Lijun Zhao
  • Patent number: 10437122
    Abstract: A display device, an array substrate, a pixel structure and a manufacturing method thereof are disclosed, and the pixel structure comprises a thin film transistor (101) and a first electrode (102) configured to form an electric field, the pixel structure further comprises a black matrix layer (103), and the black matrix layer (103) is located between the thin film transistor (101) and the first electrode (102). In the display device, the array substrate, the pixel structure and the manufacturing method, the black matrix layer is formed on the surface of the thin film transistor of the pixel structure, which simplifies the processes, saves materials, improves aperture ratio, and reduces parasitic capacitance between the common electrode and the data line to decrease the power consumption of the device.
    Type: Grant
    Filed: December 11, 2013
    Date of Patent: October 8, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Lijun Zhao
  • Patent number: 10423256
    Abstract: An organic light emitting touch display panel, a manufacturing method thereof, and a display device are provided. The organic light emitting touch display panel includes: a base substrate; touch detection units disposed on the base substrate, each of the touch detection units includes a photosensitive element; signal input lines and signal output lines disposed on the base substrate, the signal input lines and the signal output lines correspond to the touch detection units one to one respectively, each of the signal input lines connects to an input end of the photosensitive element in its corresponding touch detection unit, each of the signal input lines configures to load a touch detection signal; each of the signal output lines connects to an output end of the photosensitive element in its corresponding touch detection unit, each of the signal output lines configures to output a current of the photosensitive element.
    Type: Grant
    Filed: June 28, 2017
    Date of Patent: September 24, 2019
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Rui Xu, Xue Dong, Jing Lv, Haisheng Wang, Xiaochuan Chen, Yingming Liu, Lijun Zhao, Changfeng Li, Pinchao Gu, Xiangxiang Zou, Xiaoliang Ding
  • Publication number: 20190286878
    Abstract: A fingerprint identification structure and a method for fabricating the same, and an electronic device are provided. The fingerprint identification structure includes: a substrate; a plurality of first touch control electrodes and a plurality of second touch control electrodes, which are provided on the substrate, in which the plurality of first touch control electrodes and the plurality of second touch control electrodes intersect with each other; and a plurality of photo-sensitive patterns, which are disposed at intersections of the plurality of first touch control electrodes and the plurality of second touch control electrodes, respectively, and are configured to separate the plurality of second touch control electrodes from the plurality of first touch control electrodes.
    Type: Application
    Filed: April 16, 2018
    Publication date: September 19, 2019
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yingming LIU, Jing LV, Haisheng WANG, Chun Wei WU, Xiaoliang DING, Rui XU, Lijun ZHAO, Changfeng LI, Yanan JIA, Yuzhen GUO, Yunke QIN, Pinchao GU
  • Publication number: 20190280039
    Abstract: A display substrate, a method for manufacturing the display substrate, a fingerprint recognition device and a display device are provided. The display substrate includes a base substrate, a black matrix sensor provided on the base substrate and a plurality of functional sensors which are spaced apart from each other, the black matrix sensor blocks at least visible light and includes a plurality of first extension portions and a plurality of second extension portions, and the first extension portions intersect the second extension portions to form a plurality of hollow regions. Orthographic projections of the functional sensors on the black matrix sensor are within the region where the black matrix sensor is located.
    Type: Application
    Filed: September 28, 2017
    Publication date: September 12, 2019
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yanan JIA, Xue DONG, Jing LV, Haisheng WANG, Yingming LIU, Xiaoliang DING, Yuzhen GUO, Wei LIU, Yangling HAN, Changfeng LI, Pengpeng WANG, Chun Wei WU, Rui XU, Lijun ZHAO
  • Patent number: 10379651
    Abstract: The present disclosure relates to display technology and discloses a present disclosure and a display device. The linear polarizer includes a base plate and a plurality of shading stripes equally spaced in parallel on the base plate, with a transparent stripe formed between every two shading stripes adjacent to each other, wherein the shading stripes are made of a conductive material; at least a portion of the shading stripes are also configured to detect touch position.
    Type: Grant
    Filed: June 14, 2017
    Date of Patent: August 13, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Rui Xu, Xue Dong, Jing Lv, Haisheng Wang, Yingming Liu, Changfeng Li, Yuzhen Guo, Pinchao Gu, Yunke Qin, Yanan Jia, Lijun Zhao