Patents by Inventor Xiaoliang DING

Xiaoliang DING 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: 10768737
    Abstract: The present disclosure relates to a display panel, a method for manufacturing the same and a display device. The display panel includes: a substrate; pixel units; and a force sensing array, the force sensing array comprises lower leads, lower sensing electrodes, a piezoelectric layer, upper sensing electrodes and upper leads; wherein lower sensing electrodes and upper sensing electrodes are aligned with each other one by one, and arranged in an array, and each of lower sensing electrodes and each of upper sensing electrodes form a force sensing unit with the piezoelectric layer therebetween; and wherein each of the plurality of lower leads and each column of the force sensing units are aligned with each other one by one, and each of the plurality of upper leads and each row of the force sensing units are also aligned with each other one by one.
    Type: Grant
    Filed: February 3, 2017
    Date of Patent: September 8, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yuzhen Guo, Xue Dong, Haisheng Wang, Chun Wei Wu, Yingming Liu, Changfeng Li, Yanan Jia, Xiaoliang Ding
  • Publication number: 20200279091
    Abstract: The disclosure provides a fingerprint identification panel. The fingerprint identification panel includes an encapsulation layer, a light emitting element, a light sensing element and a dielectric layer. The light emitting element and the light sensing element are on a same side of the encapsulation layer, and the encapsulation layer is configured to enable light emitted from the light emitting element to be totally reflected in the encapsulation layer; the dielectric layer is between the encapsulation layer and the light sensing element and in direct contact with the encapsulation layer, and is configured to enable the light totally reflected by the encapsulation layer to be received by the light sensing element after passing through the dielectric layer, and a refractive index of the dielectric layer is smaller than that of the encapsulation layer.
    Type: Application
    Filed: August 9, 2019
    Publication date: September 3, 2020
    Inventors: Lei WANG, Haisheng WANG, Yingming LIU, Xiaoliang DING, Lijun ZHAO, Yuzhen GUO, Xiaoquan HAI
  • Patent number: 10761637
    Abstract: A pressure sensing detection circuit and a driving method thereof, an electronic device. The pressure sensing detection circuit includes: an excitation signal circuit, configured to output an alternating current voltage signal; a pressure sensing circuit, configured to sense a magnitude of an external pressure and output a detection voltage signal under excitation of the alternating current voltage signal; and a phase detection circuit, configured to detect a phase change value of the detection voltage signal and convert the phase change value into a voltage value.
    Type: Grant
    Filed: March 12, 2018
    Date of Patent: September 1, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Pengpeng Wang, Haisheng Wang, Xiaoliang Ding, Chih Jen Cheng, Yanling Han, Ping Zhang, Xueyou Cao, Wei Liu, Yuzhen Guo
  • Patent number: 10763574
    Abstract: A display device, a color filter substrate, a mobile terminal and a driving method thereof are provided. The display device includes a first substrate, provided with a drive device array for controlling display; a second substrate opposite to the first substrate, with a shield layer disposed on a side of the second substrate facing the first substrate; and an antenna device on the second substrate, located on a side of the shield layer away from the first substrate.
    Type: Grant
    Filed: March 16, 2018
    Date of Patent: September 1, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xueyou Cao, Jing Lv, Haisheng Wang, Chun Wei Wu, Xiaoliang Ding, Yingming Liu, Chih Jen Cheng, Yanling Han, Wei Liu, Weibing Gong, Ping Zhang
  • Patent number: 10762323
    Abstract: A fingerprint recognition apparatus is provided. The fingerprint recognition apparatus includes m driving signal lines, n reading signal lines, and m*n photosensitive devices. Each of a plurality of electrode signal controllers is connected to at least two of the m driving signal lines, the plurality of electrode signal controllers are configured to simultaneously input driving signals of different frequencies to each of the m driving signal lines connected to the plurality of electrode signal controllers, and a demodulator is connected to the n reading signal lines, and is configured to demodulate electrical signals of different frequencies transmitted on each of the n reading signal lines.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: September 1, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiaoliang Ding, Xue Dong, Jing Lv, Haisheng Wang, Chunwei Wu, Yingming Liu, Wei Liu, Pengpeng Wang, Yanling Han, Xueyou Cao, Ping Zhang
  • Publication number: 20200273920
    Abstract: A method for fabricating a touch display substrate and a touch display substrate are provided to solve the problem that existing touch electrodes of the micron-scale line width cannot meet the high PPI requirement. The fabrication method includes forming functional layers of an organic light-emitting diode (OLED) device on a base substrate sequentially to obtain an OLED substrate; and forming a linear touch electrode with a nano-scale line width on the OLED substrate by electronic sputtering and transferring.
    Type: Application
    Filed: May 6, 2020
    Publication date: August 27, 2020
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yingming LIU, Xue DONG, Haisheng WANG, Chunwei WU, Xiaoliang DING, Rui XU, Lijun ZHAO, Changfeng LI, Yanan JIA, Yuzhen GUO, Yunke QIN, Pinchao GU
  • Publication number: 20200272228
    Abstract: The present disclosure provides an interaction system of three-dimensional space and a method for operating the same, comprising: determining visual field space according to an eye position of an operator and an angle at which the eye is watching, and determining absolute interaction space and relative interaction space according to respective joint positions of the operator and the visual field space, thereby achieving dividing of areas of the space; determining an operation that matches a current action and needs to be performed by the operator on a selected virtual object according to a relationship among the current action of the operator, the virtual object viewed by the operator and the absolute interaction space, such that when the operator makes the corresponding action, the operation matching the action of the operator is performed on the virtual object; outputting the generated corresponding three-dimensional image display signal to a three-dimensional image display device to complete somatosensory
    Type: Application
    Filed: September 29, 2017
    Publication date: August 27, 2020
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Xiaoliang DING, Xue DONG, Haisheng WANG, Chunwei WU, Yingming LIU, Pengpeng WANG, Chihjen CHENG, Yanling HAN, Xueyou CAO
  • Publication number: 20200271513
    Abstract: Embodiments of the present disclosure provide a device and a method for detecting a light intensity. The device includes a photosensor, an input circuit, an amplification circuit, a feedback circuit, a storage circuit, and an output circuit. The photosensor is coupled to a first voltage signal terminal and a first node. The input circuit provides a first voltage signal to the first node according to an input signal. The amplification circuit provides, to a second node, a second voltage signal from a second voltage signal terminal according to the voltage of the first node. The feedback circuit couples the first node to the second node according to a reset signal. The storage circuit stores a voltage difference between the first node and the second node. The output circuit reads the voltage of the second node according to a read signal.
    Type: Application
    Filed: July 2, 2018
    Publication date: August 27, 2020
    Inventors: Xiaoliang DING, Haisheng WANG, Yingming LIU, Xueyou CAO, Yanling HAN, Ping ZHANG
  • Publication number: 20200272265
    Abstract: A touch display substrate and a touch detection method thereof. The touch display substrate includes: a base substrate, and a photo-sensitive touch element and an Organic Light-Emitting Diode (“OLED”) device that are arranged on the base substrate sequentially. The photo-sensitive touch element includes a touch electrode layer, a photo-sensitive material layer, an insulating layer and an ITO layer that are arranged sequentially, wherein an orthographic projection of a touch sensing area of the touch electrode layer completely covers an orthographic projection of a pattern of the photo-sensitive material layer, and is within an orthographic projection of the ITO layer. The arrangement of the photo-sensitive touch element neither changes the sequence of manufacturing the layers of the display substrate, nor affects the illumination of the touch display substrate and is suitable for manufacturing a large-size touch screen.
    Type: Application
    Filed: October 26, 2017
    Publication date: August 27, 2020
    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
  • Publication number: 20200264728
    Abstract: An optical pressure touch device, a manufacturing method thereof, and a touch display apparatus, so as to reduce the influence on the display effect while realizing the touch function. The optical pressure touch device includes a first substrate, a second substrate opposite to the first substrate, a light source, and a photodetector array and a touch scanning circuit located on a side of the first substrate facing the second substrate, the touch scanning circuit being electrically connected to a photodetector in the photodetector array. A gap exists between the touch scanning circuit and the second substrate, and the light source is used to generate a light field within the gap.
    Type: Application
    Filed: December 11, 2017
    Publication date: August 20, 2020
    Inventors: Yunke QIN, Xue DONG, Jing LV, Haisheng WANG, Chunwei WU, Yingming LIU, Xiaoliang DING, Changfeng LI, Lijun ZHAO, Pengpeng WANG, Ping ZHANG, Pinchao GU
  • Publication number: 20200266242
    Abstract: Embodiments of the present disclosure provide an array substrate, a display device and a spatial positioning method of a display device. The display device includes a base substrate, a pixel layer arranged at a side of the base substrate, a light source structure having a same light exit direction as the pixel layer, a processing element. The light source structure to emits collimation invisible light, the pixel layer includes a plurality of sub-pixels and at least one sensing pixel arranged between the sub-pixels, the at least one sensing pixel receives reflected light of the collimation invisible light emitted by the light source structure and reflected by an object to be positioned, the processing element is coupled with the sensing pixel and the light source structure, a distance from the object to the display device is calculated according to relevant data information of the collimation invisible light and the reflected light.
    Type: Application
    Filed: July 24, 2019
    Publication date: August 20, 2020
    Inventors: Xiaoliang DING, Xue DONG, Haisheng WANG, Yingming LIU, Pengpeng WANG, Yangbing LI, Jiabin WANG, Ping ZHANG, Likai DENG
  • Patent number: 10747354
    Abstract: The present disclosure provides a piezoelectric detection circuit, an array, a pressure detection device and a method. The piezoelectric detection circuit comprises a constant current circuit, a dual-gate transistor, and a transmission circuit. The dual-gate transistor comprises a first gate, a second gate, a first electrode, and a second electrode. The first gate is configured to receive a first voltage signal. The second gate is configured to receive a bias voltage and a pressure. The first electrode is electrically connected to a first voltage terminal. The second electrode is configured to receive a constant current. The transmission circuit is configured to output a second voltage signal from the second electrode. A magnitude of the pressure is obtained according to an amplitude of the second voltage signal.
    Type: Grant
    Filed: November 8, 2018
    Date of Patent: August 18, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chihjen Cheng, Xueyou Cao, Pengpeng Wang, Xiaoliang Ding, Yuzhen Guo
  • Publication number: 20200256741
    Abstract: According to the embodiments of the present disclosure, there is provided a sensor for detecting a temperature. The sensor comprises a switch circuit; a charge/discharge circuit connected to the switch circuit, and configured to be charged and discharged under control of the switch circuit; a sensing circuit connected to the charge/discharge circuit, and configured to cause a charge/discharge period of the charge/discharge circuit to change with a temperature of the sensing circuit; and an oscillation circuit connected to the switch circuit and the charge/discharge circuit, and configured to generate, under action of the charge/discharge circuit, an oscillation signal for controlling the switch circuit, wherein an oscillation frequency of the oscillation signal is dependent on the charge/discharge period and thus indicates the temperature of the sensing circuit.
    Type: Application
    Filed: September 15, 2017
    Publication date: August 13, 2020
    Inventors: Haisheng Wang, Xue Dong, Jing Lv, Xiaochuan Chen, Chunwei Wu, Yingming Liu, Xiaoliang Ding
  • Publication number: 20200259469
    Abstract: Embodiments of the present disclosure provide a current amplification circuitry and a driving method thereof, and a fingerprint detection device. The current amplification circuitry includes a voltage control circuit, a plurality of first current amplification circuits, and a second current amplification circuit. The voltage control circuit provides a voltage control signal to the plurality of first current amplification circuits. The first current amplification circuit includes a current mirror, and the current mirror is coupled to a voltage input terminal, the voltage control circuit, and a first input terminal of the second current amplification circuit. The first current amplification circuit amplifies a current from the voltage input terminal according to the voltage control signal provided by the voltage control circuit, and provides the amplified current to the second current amplification circuit.
    Type: Application
    Filed: May 31, 2018
    Publication date: August 13, 2020
    Inventors: Xiaoliang DING, Haisheng WANG, Yingming LIU, Xueyou CAO, Ping ZHANG, Yanling HAN
  • Publication number: 20200242316
    Abstract: A fingerprint identification module, a manufacturing method thereof, a driving method thereof, and a display device are disclosed. The fingerprint identification module includes: a plurality of ultrasonic wave receiving sensors, configured to receive an ultrasonic wave; and at least one ultrasonic wave emission sensor, configured to emit an ultrasonic wave, each of the plurality of ultrasonic wave receiving sensors includes a first piezoelectric material layer, each of the at least one ultrasonic wave emission sensor includes a second piezoelectric material layer, and a material of the first piezoelectric material layer is different from a material of the second piezoelectric material layer.
    Type: Application
    Filed: September 19, 2019
    Publication date: July 30, 2020
    Inventors: Yingming LIU, Haisheng WANG, Xiaoliang DING, Pengpeng WANG, Xiufeng LI, Chenyang ZHANG, Peixiao LI
  • Publication number: 20200241671
    Abstract: The present application discloses a display substrate having a display area including a plurality of subpixel regions and an inter-subpixel region. The display substrate includes an array of matrix of a plurality of subpixels. Each subpixel includes a subpixel region surrounded by multiple sections of the inter-sub-pixel region and at least one antenna is in the inter-subpixel region and configured to detect an electromagnetic wave signal.
    Type: Application
    Filed: September 8, 2017
    Publication date: July 30, 2020
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chihjen Cheng, Yanling Han, Xiaoliang Ding, Xueyou Cao, Ping Zhang, Wei Liu, Pengpeng Wang
  • Publication number: 20200242321
    Abstract: Provided are a compensation structure and a driving method thereof, a display panel, and a display device. The compensation structure includes a photoelectric sensing circuit, a fingerprint recognition circuit and a compensation circuit. The photoelectric sensing circuit is configured to respectively generate a first electric signal and a second electric signal according to received first optical signal and second optical signal. The fingerprint recognition circuit is configured to be connected to the photoelectric sensing circuit to receive the first electric signal, and to employ the first electric signal to determine a fingerprint pattern. The compensation circuit is configured to be connected to the photoelectric sensing circuit to receive the second electric signal, and to employ the second electric signal to perform optical compensation so as to adjust the first electric signal.
    Type: Application
    Filed: May 24, 2019
    Publication date: July 30, 2020
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xueyou CAO, Haisheng WANG, Xiaoliang DING, Chih Jen CHENG, Yanling HAN, Wei LIU, Pengpeng WANG, Ping ZHANG
  • Patent number: 10726230
    Abstract: There is disclosed a display panel and its driving method and a display device in the technical field of display. The display panel according to the disclosure includes a base substrate, a driving structure provided on the base substrate, a receiving structure provided above the driving structure, and a fingerprint detection module provided on the base substrate, wherein the driving structure is configured to create an ultrasonic signal, the receiving structure is configured to receive the ultrasonic signal reflected from a finger and transform the reflected ultrasonic signal into an electric signal which is input to the fingerprint detection module, and the fingerprint detection module is configured to determine fingerprint information from the electric signal output by the receiving structure.
    Type: Grant
    Filed: September 30, 2017
    Date of Patent: July 28, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yingming Liu, Xue Dong, Haisheng Wang, Xiaoliang Ding, Rui Xu, Lijun Zhao
  • Patent number: 10726236
    Abstract: Embodiments of the present disclosure provide a display panel, a display apparatus and a method for identifying fingerprints. The display panel comprises a first number of pixel units, arranged in a first direction and a second direction perpendicular to the first direction, and each pixel unit comprises a display element and a sensor configured to sense and identify a fingerprint. The display panel may further comprise a receiving unit, configured to receive a fingerprint signal sensed by the sensor; a controlling unit, configured to control the receiving unit to receive the fingerprint signal sensed by a second number of sensors among a first number of sensors, in response to an instruction for fingerprint identification being received, wherein any two of the second number of sensors are not adjacent to each other in the first direction and the second direction.
    Type: Grant
    Filed: July 3, 2017
    Date of Patent: July 28, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Changfeng Li, Xue Dong, Xiaochuan Chen, Haisheng Wang, Yingming Liu, Xiaoliang Ding, Shengji Yang, Weijie Zhao, Wei Liu, Pengpeng Wang
  • Patent number: 10719169
    Abstract: A touch readout circuit, a touch display panel and a display device are disclosed, the touch readout circuit includes a first gating circuit, configured to control a first current signal at a first electrode of the light-emitting component; a current mirror circuit, configured to provide the first current signal and a second current signal to a signal processing circuit, a current direction of the second current signal being opposite to a current direction of the first current signal; and a signal processing circuit, configured to: receive the first current signal, the second current signal and a touch scan signal, filter the second current signal to obtain a third current signal, provide a touch readout signal to an output end of the touch readout circuit according to the third current signal, the first current signal and the touch scan signal.
    Type: Grant
    Filed: March 22, 2018
    Date of Patent: July 21, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiaoliang Ding, Haisheng Wang, Chun Wei Wu, Yingming Liu, Shengji Yang, Pengcheng Lu, Pengpeng Wang, Xueyou Cao, Wei Liu