Patents by Inventor Yanling Han

Yanling Han 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: 10643340
    Abstract: Embodiments of the present disclosure provide a method and a device for acquiring depth information, as well as a gesture recognition apparatus. The method includes: projecting an infrared spectrum to a target object; collecting the infrared spectrum reflected by the target object at different positions and generating a first infrared image and a second infrared image respectively; and processing the first infrared image and the second infrared image on a basis of infrared spectrum response characteristics to acquire the depth information of the target object.
    Type: Grant
    Filed: March 7, 2018
    Date of Patent: May 5, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Pengpeng Wang, Haisheng Wang, Xiaoliang Ding, Chih-Jen Cheng, Yanling Han, Wei Liu, Xueyou Cao, Ping Zhang
  • Publication number: 20200134281
    Abstract: The disclosure discloses a display panel, a display device, and a method for driving the same, where switch transistors connected with scan signal lines are controlled by the scan signal lines to be switched on or off, and when the switch transistors are switched on, the bias voltage higher than the avalanche voltage is applied to the photosensitive diodes over the drive signal lines. While a fingerprint is being recognized, the photosensitive diodes are broken through reversely due to infrared light reflected by ridges, so that large current is produced, and output to read signal lines through sample resistors; and the photosensitive diodes corresponding valleys output zero current.
    Type: Application
    Filed: October 19, 2017
    Publication date: April 30, 2020
    Inventors: Yanling HAN, Yuzhen GUO, Yunke QIN, Yanan JIA, Lijun ZHAO
  • Patent number: 10635216
    Abstract: A signal extraction circuit includes: a first storage sub-circuit configured to receive a first signal including superimposed first touch signal and piezoelectric signal; a second storage sub-circuit configured to receive a second signal including superimposed second touch signal and piezoelectric signal, a phase of the second touch signal being opposite to a phase of the first touch signal; and an output sub-circuit configured to output the piezoelectric signals according to the first signal and the second signal during a third time period.
    Type: Grant
    Filed: December 14, 2018
    Date of Patent: April 28, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chih Jen Cheng, Yuzhen Guo, Haisheng Wang, Xiaoliang Ding, Pengpeng Wang, Yingming Liu, Yanling Han, Bo Chen
  • Patent number: 10636820
    Abstract: Embodiments of the present disclosure provides a light sensor, including: a first thin film transistor, having a first terminal connected to a first node, a second terminal receiving a first level signal, and a control terminal receiving a first control signal; a second thin film transistor, having a first terminal connected to the first node, a second terminal receiving a second level signal, and a control terminal receiving a second control signal; a voltage follower, having an input terminal connected to the first node, and an output terminal; the third thin film transistor, having a first terminal connected to the output terminal of the voltage follower, a second terminal connected to an input terminal of an output unit, and a control terminal receiving a third control signal; and the output unit, having an input terminal connected to the second terminal of the third thin film transistor, and an output terminal connected to an output terminal of the light sensor.
    Type: Grant
    Filed: June 7, 2018
    Date of Patent: April 28, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xueyou Cao, Haisheng Wang, Xiaoliang Ding, Chih-Jen Cheng, Yanling Han, Wei Liu, Pengpeng Wang, Ping Zhang
  • Publication number: 20200125164
    Abstract: The present disclosure discloses a method for executing an operation action on a display screen and a device for executing an operation action. Firstly, a gazing position of an operator's eyes on the display screen and a corresponding operation position of the operator's operating portion on the display screen are determined, then a corresponding operation is executed for content displayed on the display screen according to the operation action of the operating portion, when it is determined that the gazing position of the operator's eyes on the display screen is consistent with the corresponding operation position of the operator's operating portion on the display screen.
    Type: Application
    Filed: November 9, 2017
    Publication date: April 23, 2020
    Inventors: Yanling Han, Xue Dong, Haisheng Wang, Chun-wei Wu, Xiaoliang Ding, Yingming Liu
  • Patent number: 10627940
    Abstract: A touch substrate and a display device. The touch substrate includes a substrate; and a touch unit and a light emitting unit disposed on the substrate successively. An orthographic projection of the touch unit and that of the light emitting unit on the substrate at least partially overlap.
    Type: Grant
    Filed: January 4, 2018
    Date of Patent: April 21, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Changfeng Li, Haisheng Wang, Yingming Liu, Xiaoliang Ding, Rui Xu, Lijun Zhao, Pengcheng Lu, Wei Liu, Yanling Han, Pinchao Gu, Yunke Qin
  • Patent number: 10623697
    Abstract: A display panel, a display device and an image pickup method therefor are provided. The display panel includes a display region and an image pickup apparatus, wherein in a plan view of the display panel, at least a portion of the image pickup apparatus is located in the display region.
    Type: Grant
    Filed: October 10, 2017
    Date of Patent: April 14, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yuzhen Guo, Xue Dong, Haisheng Wang, Yingming Liu, Xiaoliang Ding, Chun Wei Wu, Chih-Jen Cheng, Yanling Han, Rui Xu, Changfeng Li, Yunke Qin, Pinchao Gu
  • Patent number: 10621408
    Abstract: A fingerprint detection circuit is provided, which includes a photosensitive unit, a voltage following transistor, a first switching transistor and a second switching transistor. A gate electrode of the first switching transistor is connected to a first resetting control end, a first electrode thereof is connected to a node, and a second electrode thereof is connected to a second electrode of the voltage following transistor. A gate electrode of the second switching transistor is connected to a scanning signal end, a first electrode thereof is connected to the second electrode of the voltage following transistor, and a second electrode thereof is connected to a first reference voltage end. A gate electrode of the voltage following transistor is connected to the node. A first electrode of the photosensitive unit is connected to a third reference voltage end, and a second electrode thereof is connected to the node.
    Type: Grant
    Filed: July 19, 2018
    Date of Patent: April 14, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Pengpeng Wang, Haisheng Wang, Xiaoliang Ding, Chihjen Cheng, Yanling Han, Wei Liu, Xueyou Cao
  • Patent number: 10622493
    Abstract: The light detecting device provided by the present disclosure includes a reset circuit, a photoelectric conversion circuit, a voltage follower circuit, a selection circuit, and a light fluctuation detecting circuit. The light fluctuation detecting circuit is connected to each of a light fluctuation detection control terminal, a photoelectric node and an input terminal of the voltage follower circuit. The light fluctuation detecting circuit is configured to enable or disable a connection between the photoelectric node and the input terminal of the voltage follower circuit. When the light fluctuation detecting circuit is turned off, a drain current of the light fluctuation detecting circuit may change as the brightness of light received by the light fluctuation detecting circuit changes. The voltage at the output node is used to determining brightness of light received by the photoelectric conversion circuit and whether is a fluctuation in the in the brightness of the light.
    Type: Grant
    Filed: November 2, 2018
    Date of Patent: April 14, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chihjen Cheng, Pengpeng Wang, Wei Liu, Xueyou Cao, Xiaoliang Ding, Yanling Han, Ping Zhang
  • Publication number: 20200108387
    Abstract: A micro-total analysis system and a method thereof are provided. The micro-total analysis system includes: a microfluidic device, configured to accommodate a liquid to be detected; an optical unit, configured to form a first light irradiated to the microfluidic device; and a detection unit, configured to detect the liquid to be detected and output a detection signal to obtain detection information.
    Type: Application
    Filed: August 16, 2018
    Publication date: April 9, 2020
    Inventors: Xue DONG, Yanling HAN, Haisheng WANG, Chuncheng CHE, Xiaoliang DING, Yingming LIU, Yuzhen GUO, Wanxian XU, Peizhi CAI, Haochen CUI, Fengchun PANG
  • Patent number: 10613365
    Abstract: A display panel and a display device are provided in embodiments of the disclosure, the display panel having a display region and a non-display region surrounding the periphery of the display region, and comprising: a first display substrate; a second display substrate, which is arranged opposite to, aligned with and assembled together with the first display substrate; a signal shielding frame, in the non-display region and between the first display substrate and the second display substrate; and signal antennas within the signal shielding frame, the signal shielding frame being configured to shield at least an inward transmission of the signal from the signal antennas towards the display region, so as to enable merely an outward transmission of the signal from the signal antennas towards an outer side of the display panel.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: April 7, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ping Zhang, Xue Dong, Haisheng Wang, Chun-Wei Wu, Xiaoliang Ding, Yanling Han, Xueyou Cao, Wei Liu, Yingming Liu, Yuzhen Guo, Pengpeng Wang, Chih-Jen Cheng, Rui Xu, Lijun Zhao, Yanan Jia, Changfeng Li, Yunke Qin, Pinchao Gu
  • Patent number: 10614282
    Abstract: A pressure sensing assembly integrated with a fingerprint identification function includes a pressure sensing unit and a control unit. The pressure sensing unit includes a plurality of pressure sensing sub-units arranged in N rows and M columns, a pressure sensing processing sub-unit, and a fingerprint identification processing sub-unit, where N and M are each a positive integer. A pressure sensing sub-unit in an nth row and an mth column includes a pressure sensing module in the nth row and the mth column and a fingerprint identification module in the nth row and the mth column. The pressure sensing processing sub-unit and the fingerprint identification module in the nth row and the mth column are connected to the control unit, where n is a positive integer smaller than or equal to N, and m is a positive integer smaller than or equal to M.
    Type: Grant
    Filed: March 22, 2018
    Date of Patent: April 7, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xueyou Cao, Haisheng Wang, Xiaoliang Ding, Rui Xu, Chihjen Cheng, Yanling Han, Wei Liu, Ping Zhang, Yuzhen Guo, Chao Wu, Peiyu Yu, Pengpeng Wang
  • Patent number: 10607524
    Abstract: A display panel has a light exit side and includes an infrared light emitting unit for emitting infrared light towards the light exit side of the display panel; and at least three infrared light sensing units provided at different positions for detecting intensity of the infrared light emitted from the light exit side of the display panel and reflected by a human eye.
    Type: Grant
    Filed: January 19, 2017
    Date of Patent: March 31, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yanan Jia, Xue Dong, Jing Lv, Haisheng Wang, Chunwei Wu, Xiaoliang Ding, Pengpeng Wang, Yuzhen Guo, Wei Liu, Rui Xu, Lijun Zhao, Yanling Han, Changfeng Li, Yingming Liu
  • Patent number: 10599907
    Abstract: A display panel for fingerprint recognition and a display device are disclosed. The display panel for fingerprint recognition includes: a driving circuit backboard; a plurality of electroluminescent units disposed on the driving circuit backboard in a form of array; a plurality of infrared luminescent units disposed on the driving circuit backboard in a form of array; a protection cover plate; and a plurality of infrared photosensitive induction units disposed in a form of array between the protection cover plate and a film on which the infrared luminescent units are located.
    Type: Grant
    Filed: February 10, 2017
    Date of Patent: March 24, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Rui Xu, Xue Dong, Jing Lv, Haisheng Wang, Yingming Liu, Xiaoliang Ding, Changfeng Li, Yannan Jia, Lijun Zhao, Yuzhen Guo, Pengpeng Wang, Yanling Han, Wei Liu, Chun-Wei Wu
  • Patent number: 10585509
    Abstract: This document describes a display substrate and a display apparatus. The display substrate comprises a base, a plurality of drive signal lines, a plurality of pH value detection signal lines, and a plurality of pH value sensing modules arranged on the base; each pH value sensing module is connected to a corresponding drive signal line and a corresponding pH value detection signal line; the drive signal line is configured to provide a drive signal to the pH value sensing modules connected thereto so as to control said pH value sensing modules to work or not; the pH value sensing module is configured to sense a pH value under a working state and output a corresponding electrical signal; the pH value detection signal line is configured to receive the electrical signal output by the pH value sensing module.
    Type: Grant
    Filed: June 29, 2017
    Date of Patent: March 10, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yanling Han, Xue Dong, Jing Lv, Haisheng Wang, Chunwei Wu, Xiaoliang Ding, Wei Liu, Pengpeng Wang
  • Patent number: 10585516
    Abstract: The present disclosure relates to a touch driving circuit. The touch driving circuit may include a driving transistor. A control terminal of the driving transistor is configured to receive a data signal. A first terminal of the driving transistor is configured to receive a power signal. A second terminal of the driving transistor is connected to a first electrode of a light emitting element in the touch panel. The touch driving circuit may include a touch electrode configured to transmit a touch signal. The touch electrode forms parasitic capacitance with a second electrode of the light emitting element. The touch driving circuit may include a control unit configured to transmit a compensation signal to the second terminal of the driving transistor in response to a control signal. The power signal, the data signal, the touch signal, and the compensation signal are synchronously modulated signals during a touch stage.
    Type: Grant
    Filed: March 20, 2018
    Date of Patent: March 10, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chih Jen Cheng, Xiaoliang Ding, Changfeng Li, Pengpeng Wang, Wei Liu, Yanling Han, Xueyou Cao, Ping Zhang
  • Patent number: 10585304
    Abstract: The present disclosure provides an array substrate and a method for fabricating the same, and a display apparatus. The array substrate includes: a base substrate, and a shielding pattern and a plurality of detection units on the base substrate. At least one of the plurality of detection units includes a switch transistor and a photosensitive device coupled to the switch transistor. The shielding pattern covers the switch transistor on a side of the switch transistor distal to the base substrate. The photosensitive device is located on a side of the shielding pattern proximal to the base substrate. The shielding pattern is configured to shield irradiation light and allow detection light to be transmitted to the photosensitive device.
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: March 10, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiaoliang Ding, Xue Dong, Jing Lv, Haisheng Wang, Chunwei Wu, Yingming Liu, Wei Liu, Rui Xu, Pengpeng Wang, Yanling Han, Xueyou Cao, Ping Zhang
  • Patent number: 10579172
    Abstract: The present disclosure provides a touch display panel, a display device, and a drive method. The touch display panel includes a substrate, a plurality of touch sensing electrodes, and a plurality of pressure sensors. The substrate is provided with a light emission side; and a plurality of touch sensing electrodes and a plurality of pressure sensors. The pressure sensors and the touch sensing electrodes are positioned at the light emission side of the substrate. The pressure sensor includes a first pressure electrode and a second pressure electrode. The first pressure electrode is formed on the display panel. The second pressure electrode and the touch sensing electrode jointly form a touch circuit, and the second pressure electrode is used as a drive electrode of the touch circuit.
    Type: Grant
    Filed: September 26, 2017
    Date of Patent: March 3, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wei Liu, Xue Dong, Jing LV, Haisheng Wang, Chun-Wei Wu, Xiaoliang Ding, Yingming Liu, Rui Xu, Changfeng Li, Pengpeng Wang, Lijun Zhao, Yanan Jia, Yanling Han, Yuzhen Guo
  • Patent number: 10573228
    Abstract: Provided is a display panel comprising including: a base substrate; a plurality of pixel units, each of which is provided with a light emitting structure, each light emitting structure includes a first electrode, a light emitting layer, and a second electrode sequentially stacked on the base substrate; a plurality of pixel circuits respectively disposed in the pixel units for driving the light emitting structure to emit light; a deforming layer disposed above the second electrodes of the light emitting structures; and one or more heating control circuits respectively disposed in different pixel units and each electrically connected to the second electrode of the light emitting structure in a corresponding pixel unit, the heating control circuit is configured to control the second electrode of the light emitting structure in the corresponding pixel unit to generate heat so that the hardness of the deforming layer above the second electrode changes.
    Type: Grant
    Filed: October 24, 2017
    Date of Patent: February 25, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yanling Han, Haisheng Wang, Xiaoliang Ding, Changfeng Li, Xue Dong, Jing Lv, Chunwei Wu, Pengpeng Wang, Xueyou Cao, Ping Zhang, Chihjen Cheng, Wei Liu, Yanan Jia, Lijun Zhao
  • 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