Patents by Inventor Minghua XUAN

Minghua XUAN 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: 20190294283
    Abstract: A display substrate includes a substrate, a plurality of electrode leads disposed on the substrate, and a plurality of electrodes electrically disconnected with each other disposed on the substrate. Each electrode is in direct contact with one or more of the plurality of electrode leads, and a thickness of each electrode lead is greater than a thickness of a corresponding electrode. At least one of the plurality of electrode leads is respectively provided with at least one gap, and each gap is configured to electrically disconnect one of the plurality of electrodes that is in direct contact with a corresponding electrode lead from another one of the plurality of electrodes that is adjacent to the corresponding electrode lead.
    Type: Application
    Filed: January 17, 2019
    Publication date: September 26, 2019
    Inventors: Lei WANG, Shengji YANG, Minghua XUAN, Li XIAO, Pengcheng LU, Dongni LIU
  • Publication number: 20190287455
    Abstract: A pixel circuit and a driving method thereof, display panel and a display device are disclosed. The pixel circuit includes an input control sub-circuit, a switch control sub-circuit, a latch sub-circuit and a light-emitting sub-circuit. The input control sub-circuit writes a data signal into a first node under control of the gate signal terminal. The switch control sub-circuit conducts a first terminal or a second terminal of the latch sub-circuit with the first node under control of a switch signal control terminal. The latch sub-circuit outputs a high-level signal to the first node, when the first node is conductive with the first terminal and outputs a low-level signal to the first node, when the first node is conductive with the second terminal. The light-emitting sub-circuit emits light when the first node is supplied with the high-level signal.
    Type: Application
    Filed: April 13, 2018
    Publication date: September 19, 2019
    Inventors: Pengcheng LU, Xiaochuan CHEN, Minghua XUAN, Shengji YANG, Lei WANG, Li XIAO, Dongni LIU, Jie FU, Han YUE, Jian GAO, Changfeng LI
  • Publication number: 20190288056
    Abstract: The present disclosure provides a pixel circuit structure and a display device using the same. The pixel circuit structure includes: a metal light shielding layer; at least one buffer layer formed on the metal light shielding layer; a thin film transistor formed on the at least one buffer layer; an insulating layer formed on a gate of the thin film transistor; and a second gate, formed on the insulating layer, forming a storage capacitance with the gate, and electrically coupled to a power line of the thin film transistor, wherein the metal light shielding layer is electrically coupled to the power line of the thin film transistor.
    Type: Application
    Filed: March 8, 2018
    Publication date: September 19, 2019
    Inventors: Li XIAO, Minghua XUAN, Xiaochuan CHEN, Shengji YANG, Dongni LIU, Jie FU, Lei WANG, Pengcheng LU
  • Publication number: 20190287459
    Abstract: A pixel circuit, a method for driving a pixel circuit and a display panel are provided. The pixel circuit includes a control sub-circuit, a shunt sub-circuit, a light emitting sub-circuit and a latch sub-circuit, where the control sub-circuit is configured to output to the latch sub-circuit a data signal from a data signal line in response to a scan signal from a scan signal line; the latch sub-circuit is configured to latch a first level signal and a second level signal in response to the data signal and the scan signal, and output the second level signal to light emitting sub-circuit in response to a switch signal from a switch signal line, to enable the light emitting sub-circuit to emit light; and the shunt sub-circuit is configured to shunt, in response to a control signal from a control signal line, the second level signal input to the light emitting sub-circuit, to adjust a light emitting brightness of the light emitting sub-circuit.
    Type: Application
    Filed: December 27, 2018
    Publication date: September 19, 2019
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Dongni Liu, Xiaochuan Chen, Minghua Xuan, Shengji Yang, Lei Wang, Li Xiao, Pengcheng Lu, Liang Chen
  • Publication number: 20190267431
    Abstract: A touch panel, a method for fabricating the same, and a display device are provided. The touch panel includes: a base substrate, a plurality of touch electrode lines, a plurality of cathodes arranged in a matrix, and a plurality of spacers, where each cathode corresponds to at least one of the touch electrode lines, and each spacer includes a first photo spacer and a second photo spacer stacked successively; each touch electrode line includes a first lead part and a second lead part, wherein the first lead part is electrically connected with corresponding one of the cathodes, and the second lead part is configured to electrically connect the first lead part with a corresponding pin on a touch integrated circuit; and the first lead part at least covers the surface of the first photo spacer.
    Type: Application
    Filed: May 30, 2018
    Publication date: August 29, 2019
    Inventors: Shengji YANG, Xue DONG, Xiaochuan CHEN, Minghua XUAN, Lei WANG, Pengcheng LU, Li XIAO, Dongni LIU, Jing YU
  • Publication number: 20190252467
    Abstract: A method for manufacturing a display panel including a substrate and a light emitting functional layer on the substrate comprises the following steps: forming a conductive wire on the substrate; forming a semiconductor layer on the conductive wire; forming a conductive channel in the semiconductor layer, the conductive channel connects to the conductive wire; and forming a first electrode layer on the semiconductor layer and the light emitting functional layer, wherein the first electrode layer connects with the conductive channel. The present disclosure can reduce a length of a wiring trace between the electrode layer and the conductive wire, and avoid a touch blind region on the display panel caused by the excessively large wiring trace region.
    Type: Application
    Filed: January 9, 2019
    Publication date: August 15, 2019
    Inventors: Liang CHEN, Lei WANG, Xiaochuan CHEN, Minghua XUAN, Shengji YANG, Dongni LIU, Han YUE, Ming YANG, Li XIAO, Pengcheng LU
  • Publication number: 20190251905
    Abstract: The present disclosure provides a pixel unit circuit, a pixel circuit, a driving method and a display device.
    Type: Application
    Filed: June 21, 2018
    Publication date: August 15, 2019
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shengji YANG, Xue DONG, Xiaochuan CHEN, Hui WANG, Yanming WANG, Minghua XUAN, Pengcheng LU, Wei LIU, Kuanta HUANG
  • Publication number: 20190235663
    Abstract: A driving method of a touch display panel is provided. The touch display panel includes a plurality of regions each including a regional electrode. The driving method includes: one frame time including a plurality of display time periods, during each display time period, the plurality of regions including a display region performing display, and a region other than the display region being a non-display region, the display region including at least one region; during each display time period, applying a display signal to the regional electrode of the display region; during at least one display time period, the non-display region including at least one region, applying a touch signal to the regional electrode of the at least one region, and/or, inserting a touch time period between at least two display time periods and applying a touch signal to the regional electrode of the at least one region.
    Type: Application
    Filed: July 3, 2018
    Publication date: August 1, 2019
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Minghua XUAN, Xiaochuan CHEN, Shengji YANG, Pengcheng LU, Lei WANG, Li XIAO, Jie FU
  • Publication number: 20190228708
    Abstract: The present disclosure provides a pixel circuit, a pixel driving method, and a display device. The pixel circuit includes a driving transistor, a threshold compensation sub-circuit, and a light emission control sub-circuit. The threshold compensation sub-circuit is configured to write a reset voltage to the control terminal of the driving transistor in a reset phase under the control of the first, second and third control signal terminal, and write a control voltage to the control terminal of the driving transistor in a data writing phase. The driving transistor is configured to generate a driving current according to the control voltage in a light emitting phase. The light emission control sub-circuit is configured to output the driving current to the light emitting device in the light emission phase under the control of the light emission control signal terminal to drive the light emitting device to emit light.
    Type: Application
    Filed: May 31, 2018
    Publication date: July 25, 2019
    Inventors: Shengji YANG, Xue DONG, Jing LV, Xiaochuan CHEN, Minghua XUAN
  • Publication number: 20190229155
    Abstract: An electroluminescent display panel, a method for manufacturing the same, and a mask are provided. The method for manufacturing an electroluminescent display panel includes: forming, on at least one side of a predetermined light-emitting layer of the electroluminescent display panel, an electrode layer having a pattern corresponding to patterns of masks under shielding of the masks through an evaporation process, wherein the predetermined light-emitting layer is a film layer for forming a light-emitting layer of the electroluminescent display panel.
    Type: Application
    Filed: December 5, 2018
    Publication date: July 25, 2019
    Inventors: Minghua XUAN, Lei WANG, Shengji YANG, Pengcheng LU, Li XIAO, Dongni LIU, Xiaochuan CHEN
  • Publication number: 20190204665
    Abstract: A display assembly and an electronic apparatus are provided. The display assembly includes: a first substrate and a second substrate opposite to each other; a liquid crystal layer between them; a first part including a first light shielding portion, a second light shielding portion and an electrochromic portion; and a second part, including a third light shielding portion, a fourth light shielding portion and a transparent portion, wherein the first part is arranged on a side of the first substrate facing towards the second substrate; wherein the second part is arranged on a side of the second substrate facing towards the first substrate; and wherein a first electrode layer and a second electrode layer are arranged between the first substrate and the second substrate and configured to adjust states of liquid crystal molecules in the liquid crystal layer.
    Type: Application
    Filed: July 23, 2018
    Publication date: July 4, 2019
    Inventors: Li XIAO, Minghua XUAN, Xiaochuan CHEN, Shengji YANG, Lei WANG, Pengcheng LU, Dongni LIU, Liang CHEN
  • Publication number: 20190197948
    Abstract: A pixel circuit, a driving method thereof, and a display device are provided. A driving sub-circuit of the pixel circuit is configured to provide a data signal from the data signal terminal to the driving node under the control of a driving signal from the driving signal terminal. A holding sub-circuit of the pixel circuit is configured to acquire a potential of the driving node under the control of a first switching signal from the first switching signal terminal, and maintain the potential of the driving node unchanged under the control of a first power signal from the first power signal terminal and a second power signal from the second power signal terminal. A light emitting sub-circuit of the pixel circuit is connected to the driving node and is configured to emit light under the driving of the driving node.
    Type: Application
    Filed: May 15, 2018
    Publication date: June 27, 2019
    Inventors: Minghua XUAN, Shengji YANG, Lei WANG, Li XIAO, Jie FU, Pengcheng LU, Dongni LIU, Xiaochuan CHEN
  • Patent number: 10330849
    Abstract: The present disclosure provides a quantum dot film, a method for manufacturing the same and a backlight module. The quantum dot film comprises a quantum dot layer and an optical waveguide layer, the quantum dot layer covers the optical waveguide layer, the optical waveguide layer is a laminated structure made up of a plurality of sublayers, and starting from the sublayer close to the quantum dot layer in the laminated structure, the refractive indices of sublayers become larger layer by layer. The backlight module comprises the above-mentioned quantum dot film, and the quantum dot film is located between the optical waveguide layer and the prism film.
    Type: Grant
    Filed: May 5, 2016
    Date of Patent: June 25, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS Co., LTD.
    Inventors: Bo Wang, Zhanjie Ma, Minghua Xuan
  • Publication number: 20190188444
    Abstract: A fingerprint recognition and pixel driving circuit and a display device including the circuit are provided. The circuit includes a first scan line, a second scan line, a third scan line, a light emission control line and a data writing line, a pixel driving sub-circuit for driving a light emitting element of a pixel to emit light according to the first scan signal, the second scan signal, the third scan signal, the light emission control signal, and the data signal, a fingerprint recognition sub-circuit that receives any two of the first scan signal, the second scan signal and the third scan signal through a first read terminal and a reset terminal to generate fingerprint data of a finger based on any two of the first scan signal, the second scan signal and the third scan signal, thereby realizing integration of the fingerprint recognition function with the pixel driving function.
    Type: Application
    Filed: May 18, 2018
    Publication date: June 20, 2019
    Inventors: Shengji YANG, Xue DONG, Jing LV, Xiaochuan CHEN, Minghua XUAN, Weifeng HAN
  • Publication number: 20190140043
    Abstract: There are disclosed an organic light-emitting diode display panel, a method for fabricating the same, and a display device above, and the organic light-emitting diode display panel includes: an underlying substrate, a plurality of pixel elements arranged on the underlying substrate, pixel driving circuits electrically coupled to respective pixel elements, and a plurality of signal lines electrically coupled to the pixel driving circuits; and the organic light-emitting diode display panel further includes a resistance reducing electrode arranged at a different layer from, and connected in parallel with at least one signal line. Since the resistance reducing electrode is connected in parallel with the signal lines, resistances of the respective signal lines can be reduced to thereby lower a signal load on the respective signal lines so as to improve the display quality of the organic light-emitting diode display panel.
    Type: Application
    Filed: November 16, 2017
    Publication date: May 9, 2019
    Inventors: Lei Wang, Minghua Xuan, Shengji Yang, Pengcheng Lu, Li Xiao, Jie Fu, Xiaochuan Chen
  • Publication number: 20190114954
    Abstract: A display panel and a display method thereof and a display device are disclosed. The display panel comprises: a plurality of first gate lines and data lines which are intersected and insulated with each other; the display panel further comprises a plurality of subpixels; wherein a plurality of subpixels located in the same row are divided into m groups of pixels, each of the groups of pixels comprising n subpixels; the n subpixels in the same group of pixels are respectively connected to n first gate lines one by one, and the n subpixels are connected to the same data line; wherein m>1, n?2, and m and n are positive integers.
    Type: Application
    Filed: September 12, 2018
    Publication date: April 18, 2019
    Inventors: Minghua XUAN, Xiaochuan CHEN, Shengji YANG, Dongni LIU, Li XIAO, Lei WANG, Pengcheng LU
  • Publication number: 20190107912
    Abstract: The disclosure discloses a touch display panel, a method for driving the same, and a display device. The touch display panel includes data lines, a source drive circuit, a first signal line, a second signal line, a synchronous signal line, a plurality of first switches, and a plurality of second switches, in a touch stage, the first switches are turned on under the control of a signal output from the first signal line, a signal synchronous with a touch signal is input to the data lines by the synchronous signal line, and the second switches are turned off under the control of a signal output from the second signal line; and in a display stage, the first switches are turned off under the control of a signal output from the first signal line, and the second switches are turned on under the control of a signal output from the second signal line.
    Type: Application
    Filed: November 9, 2017
    Publication date: April 11, 2019
    Inventors: Shengji YANG, Xue DONG, Xiaochuan CHEN, Minghua XUAN, Lei WANG, Pengcheng LU, Li XIAO, Jie FU, Dongni LIU, Jing YU, Yingzi WANG, Huijuan WANG
  • Patent number: 10255859
    Abstract: A pixel compensating circuit and a driving method thereof, an array substrate and a display device. The pixel compensating circuit includes: a reset circuit, connected with a reset signal line, and configured to reset a driving circuit according to a reset signal from the reset signal line; the driving circuit, configured to output a driving current to drive a display apparatus to emit light and display; a compensating circuit, connected with a signal control line, and a data line, and configured to compensate a threshold voltage for the driving circuit and write data into the driving circuit under control of a signal control signal from the signal control line; and a luminance control circuit, connected with a luminance control line, and configured to control the driving circuit to drive the display apparatus to emit light and display according to a luminance control signal from the luminance control line.
    Type: Grant
    Filed: October 31, 2016
    Date of Patent: April 9, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.
    Inventors: Bo Wang, Minghua Xuan, Zhanjie Ma
  • Publication number: 20190096317
    Abstract: The present disclosure provides a display panel, a method for driving the same and a display apparatus. The display panel includes a pixel circuit and a driving circuit. The pixel circuit includes at least one light emitting device; the light emitting device includes a multilayer quantum well structure; the driving circuit is to adjust a driving current that is input to the light emitting device, thereby enabling the light emitting device to emit light of a corresponding color that is varied with a size of the driving current.
    Type: Application
    Filed: May 17, 2018
    Publication date: March 28, 2019
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiaochuan CHEN, Minghua XUAN, Pengxia LIANG, Can ZHANG, Can WANG, Ming YANG, Han YUE
  • Publication number: 20190073933
    Abstract: Embodiments of the present disclosure provide a shift register unit, which includes an input circuit configured to control a voltage of a first node based on an input signal and a first clock signal; an first control circuit configured to control a voltage of a second node based on a first voltage, the first clock signal, and the voltage of the first node; an second control circuit configured to control a voltage of a third node based on the voltage of the second node and a second clock signal; a first hold circuit configured to hold the voltage of the first node based on a second voltage and the voltage of the third node; a second hold circuit configured to hold the voltage of the second node and of the third node; and an output circuit configured to output the first voltage or the second voltage from an output terminal.
    Type: Application
    Filed: October 13, 2017
    Publication date: March 7, 2019
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Minghua XUAN