Patents by Inventor Hongjuan Liu

Hongjuan Liu 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: 20170177139
    Abstract: An in-cell touch screen panel, a driving method thereof and a display device. A plurality of sub-pixels are grouped into sub-pixel groups, each of which includes at least two sub-pixels, and cathode layers of different sub-pixel groups are independent of one another. The cathode layers are reused as self-capacitance electrodes, and a driving chip determines a touch position by detecting a change in capacitance of the cathode layer, thereby achieving touch control functionality. The driving chip outputs, in a fourth phase, signals to respective cathode layers and signal terminals of each sub-pixel circuit, each of the signals is a superposition of the signal output in a third phase with a touch scanning signal.
    Type: Application
    Filed: October 20, 2015
    Publication date: June 22, 2017
    Inventors: Shengji Yang, Xue Dong, Hailin Xue, Haiseng Wang, Xiaochuan Chen, Hongjuan Liu, Tuo Sun, Lifei Ma, Wen Sun, Rui Xu, Lei Wang
  • Publication number: 20170177143
    Abstract: A touch control display panel and a manufacturing method thereof, a driving method, and a display device are disclosed.
    Type: Application
    Filed: January 13, 2016
    Publication date: June 22, 2017
    Inventors: Xiaoliang DING, Xue DONG, Haisheng WANG, Xiaochuan CHEN, Weijie ZHAO, Shengji YANG, Wei LIU, Yingming LIU, Hongjuan LIU, Lei WANG, Changfeng LI, Rui XU
  • Patent number: 9684420
    Abstract: A self-capacitive touch panel includes a plurality of touch electrodes and a plurality of driving signal transmission lines corresponding to the touch electrodes. A plurality of via-holes is arranged at an identical amount and in an identical manner at a region where each touch electrode is located, and each driving signal transmission line is connected to the corresponding touch electrode through the via-hole. Projections of the via-holes at the regions where the touch electrodes other than the corresponding touch electrode are located in a direction perpendicular to the substrate are not located on the driving signal transmission line.
    Type: Grant
    Filed: July 17, 2015
    Date of Patent: June 20, 2017
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yingming Liu, Xue Dong, Haisheng Wang, Weijie Zhao, Xiaoliang Ding, Shengji Yang, Hongjuan Liu, Changfeng Li, Lei Wang, Rui Xu, Dong Yang
  • Publication number: 20170168618
    Abstract: An in-cell touch display, a drive method thereof, and a display device. When the touch display is in a display phase, each common electrode region is supplied with a common electrode signal via a respective connection line, and the data lines are supplied with respective data signals. When the touch display is in a touch control phase, the plurality of common electrode blocks in each common electrode region are used as touch control driving electrodes and supplied with a touch control driving signal through the respective connection line, and at least a portion of the data lines are used as touch control sensing signal lines for transmission of generated touch control sensing signals.
    Type: Application
    Filed: October 20, 2015
    Publication date: June 15, 2017
    Inventors: Xiaoliang Ding, Xue Dong, Haisheng Wang, Xiaochuan Chen, Hongjuan Liu, Shenji Yang, Yingming Liu, Weijie Zhao, Changfeng Li, Wei Liu, Lei Wang, Rui Xu, Tao Ren, Xiaobo Xie
  • Patent number: 9678594
    Abstract: An in-cell touch panel and a display device are disclosed, a common electrode layer is reused as self-capacitance electrodes in accordance with self-capacitance principle. A pattern of common electrode layer is designed such that the common electrode layer is partitioned into a plurality of mutually independent self-capacitance electrodes along strip-like slits and a direction crossing the slits. The touch sensing chip can determine a touch position by detecting capacitance value variation of self-capacitance electrodes in a touch period. The in-cell touch panel can save production costs and improve production efficiency, and also can avoid light leakage caused by cutting common electrode layer and influence on display effect.
    Type: Grant
    Filed: September 20, 2014
    Date of Patent: June 13, 2017
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Lei Wang, Xue Dong, Hailin Xue, Haisheng Wang, Yingming Liu, Shengji Yang, Hongjuan Liu, Xiaoliang Ding, Weijie Zhao, Chunlei Wang, Yue Li
  • Publication number: 20170156409
    Abstract: A wrapping structure is provided by the present disclosure, including a wrapping material configured to wrap an active object. The wrapping material includes a detection layer configured to monitor a motion of the active object wrapped by the wrapping material and convert the motion of the active object into an electric signal. An amplitude value of the electric signal is in direct proportion to a range and a frequency of the motion of the active object. The detection layer determines that the active object feels uncomfortable and sends a detection processing instruction, in the case that the amplitude value of the electric signal is not corresponding to a predetermined threshold or a changing frequency of the electric signal is larger than a preset frequency.
    Type: Application
    Filed: November 5, 2015
    Publication date: June 8, 2017
    Inventors: Xiaoliang DING, Haisheng WANG, Xiaochuan CHEN, Weijie ZHAO, Shengji YANG, Rui XU, Lei WANG, Wei LIU, Changfeng LI, Hongjuan LIU, Yingming LIU, Tao REN
  • Publication number: 20170161538
    Abstract: The present disclosure relates to a fingerprint identification module, including: a plurality of sensing units, wherein each sensing unit receives modulation signal when turned on, the modulation signal covers at least one first time interval and at least one second time interval, and the voltages during the first and second time intervals are respectively first and second voltages; a collecting unit for collecting output signals of the sensing units in the same column in all the first time intervals as a first signal and those in all the second time intervals as a second signal; and a calculating unit for determining the difference between the first and second signals to obtain a third signal and obtaining the fingerprint information on the basis of the third signal. Through the above solution, it is possible to eliminate the influence of the leakage current in the sensing unit, thereby accurately identifying fingerprints.
    Type: Application
    Filed: January 28, 2016
    Publication date: June 8, 2017
    Inventors: Wei Liu, Xue Dong, Hailin Xue, Haisheng Wang, Xiaochuan Chen, Xiaoliang Ding, Shengji Yang, Yingming Liu, Weijie Zhao, Hongjuan Liu, Changfeng Li, Lei Wang, Pengpeng Wang
  • Publication number: 20170161537
    Abstract: The present disclosure provides a fingerprint identification device, a touch panel and a display device. The fingerprint identification device includes a plurality of first driving lines extending in a first predetermined direction and a plurality of first sensing lines extending in a second predetermined direction that is not parallel to the first predetermined direction. The first sensing lines are divided into at least two sensing groups in the first predetermined direction, each sensing group includes a plurality of sensing sub-groups arranged side by side in the second predetermined direction, each sensing sub-group includes at least one of the first sensing lines, and the adjacent sensing sub-groups are insulated from each other.
    Type: Application
    Filed: September 29, 2015
    Publication date: June 8, 2017
    Applicants: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yingming LIU, Xue DONG, Haisheng WANG, Xiaoliang DING, Weijie ZHAO, Shengji YANG, Hongjuan LIU, Changfeng LI, Wei LIU
  • Patent number: 9665222
    Abstract: An in-cell touch panel and a display device comprising the same are provided. in-cell touch panel, comprising: an array substrate, comprising data lines provided thereon; a plurality of self-capacitance electrodes, which are provided on a same layer and independent of each other on the array substrate, wherein the self-capacitance electrodes are insulated from the data lines; a touch detection chip; and a plurality of wires for connecting the self-capacitance electrodes to the touch detection chip, wherein the wires and the data lines are arranged on the same layer and insulated from each other and have a same wiring direction. The in-cell touch panel has reduced production costs and improved production efficiency.
    Type: Grant
    Filed: November 26, 2014
    Date of Patent: May 30, 2017
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Weijie Zhao, Xue Dong, Haisheng Wang, Shengji Yang, Yingming Liu, Xiaoliang Ding, Hongjuan Liu, Changfeng Li
  • Publication number: 20170147123
    Abstract: The present disclosure provides a touch display panel including a self-capacitance or mutual-capacitance type touch display panel, a manufacturing method and a method driving for the same and a display device. The self-capacitance type touch display panel includes an array substrate having a first metal layer and self-capacitance touch electrodes, and a touch control chip. Each touch electrode includes common electrodes, first metal layer includes touch lead wires corresponding to the touch electrodes, and each touch electrode is connected with the touch control chip via a corresponding touch lead wire. The touch lead wire is configured to transmit a common electrode signal to the touch electrode during a display stage, to transmit a touch scan signal to the touch electrode during a touch stage, and to transmit a touch signal, which is generated by the touch electrode at a position where a touch operation occurs, to the touch control chip.
    Type: Application
    Filed: October 14, 2015
    Publication date: May 25, 2017
    Applicants: BOE Technology Group Co., Ltd., Beijing BOE Opoelectronics Technology Co., Ltd.
    Inventors: Lei Wang, Xiaochuan Chen, Haisheng Wang, Shengji Yang, Rui XU, Qian Wang, Changfeng Li, Ming Yang, Pengcheng Lu, Xiaoliang Ding, Wei Liu, Hongjuan Liu, Yingming Liu, Weijie Zhao, Zhenhua Lv, Shijun Wang
  • Publication number: 20170147121
    Abstract: The present application provides an in-cell touch display panel, a driving method thereof, and a display device. At least two sub-pixels are a sub-pixel group, cathode layers of different sub-pixel groups are independent of each other, which is equivalent to that the cathode layer set as a whole surface in the prior art is segmented, one sub-pixel group corresponds to one segmented cathode layer, cathode layers of respective sub-pixel groups are connected through conductive lines to the driver chip, so that the cathode layer is reused as a self-capacitive touch control electrode, the driver chip detects a capacitance variation of the cathode layer through the conductive line corresponding thereto to determine a touch location, thus achieving the touch control function.
    Type: Application
    Filed: November 5, 2015
    Publication date: May 25, 2017
    Applicants: BOE Technology Group Co., Ltd., Beijing BOE Optoelectronics Technology Co., Ltd.
    Inventors: Shengji Yang, Xue Dong, Hailin Xue, Haisheng Wang, Xiaochuan Chen, Xi Chen, Jianyun Xie, Hongjuan Liu, Yingming Liu, Weijie Zhao, Jiantao Liu
  • Publication number: 20170147850
    Abstract: A substrate and a display panel are disclosed. The substrate includes a pixel array region, wherein the pixel array region comprises: a base substrate; a light shielding region disposed on the base substrate; and at least one fingerprint sensor pattern disposed in the light shielding region. The fingerprint sensor pattern includes: a driving electrode pattern and a sensing electrode pattern, wherein the driving electrode pattern is configured for providing a driving signal of fingerprint identification, the sensing electrode pattern is configured for receiving a sensing signal of fingerprint identification, and the driving electrode pattern and the sensing electrode pattern are electrically insulated from each other. The substrate can realize an identification of a sliding fingerprint in a display region of a display, thus decreasing fabrication costs, furthermore improving a display effect and user experience since there is no need to design openings in a non-display region.
    Type: Application
    Filed: September 24, 2015
    Publication date: May 25, 2017
    Applicants: BOE Technology Group Co., Ltd., Beijing BOE Optoelectronics Technology Co., Ltd.
    Inventors: Yingming Liu, Xue Dong, Haisheng Wang, Xiaoliang Ding, Shengji Yang, Weijie Zhao, Liguang Deng, Hongjuan Liu, Changfeng Li, Wei Liu, Jing Zhao, Jing Pang
  • Publication number: 20170139222
    Abstract: A 3D grating, a color filter substrate, a display device and a control method thereof are provided. The 3D grating comprises: a first transparent electrode layer; a second transparent electrode layer; and an electrochromic material layer formed between the first transparent electrode layer and the second transparent electrode layer; wherein the first transparent electrode layer comprises a pattern of strip-shaped electrodes, which comprises a plurality of strip-shaped electrodes and an electrode wire electrically connected with each of the strip-shaped electrodes in the pattern; and wherein the electrochromic material layer is configured to be non-transparent when it is in an electric field and to be transparent when it is not in an electric field, or the electrochromic material layer is configured to be transparent when it is in an electric field and to be non-transparent when it is not in an electric field.
    Type: Application
    Filed: October 30, 2015
    Publication date: May 18, 2017
    Inventors: Shengji Yang, Xue Dong, Hailin Xue, Haisheng Wang, Wenqing Zhao, Renwei Guo, Peng Liu, Chung-chun Chen, Jinghua Miao, Mubing Li, Changfeng Li, Yingming Liu, Weijie Zhao, Xiaoliang Ding, Wei Liu, Hongjuan Liu
  • Publication number: 20170124381
    Abstract: The present invention provides a self-capacitive fingerprint recognition touch screen, a manufacturing method thereof, and a display device comprising the self-capacitive fingerprint recognition touch screen. The self-capacitive fingerprint recognition touch screen comprises a plurality of fingerprint recognition electrodes, and a plurality of connecting lines which are respectively electrically connected to the plurality of fingerprint recognition electrodes directly. The connecting lines are used for transmitting driving signals and detection signals needed by the fingerprint recognition electrodes.
    Type: Application
    Filed: January 5, 2016
    Publication date: May 4, 2017
    Inventors: Yingming LIU, Xue DONG, Haisheng WANG, Xiaoliang DING, Weijie ZHAO, Shengji YANG, Hongjuan LIU, Liguang DENG, Changfeng LI, Wei LIU
  • Publication number: 20170115811
    Abstract: An array substrate and a driving method thereof, a display panel and a display device. The array substrate includes a plurality of areas. Each area at least includes a first subpixel and a second subpixel, and each subpixel includes a corresponding display unit; the first subpixel includes a photosensitive identification unit, the photosensitive identification unit is connected with a read signal line and is configured to acquire and store position information of a touch position and transmit the acquired position information to the read signal line; and the second subpixel includes a capacitive detection unit, the capacitive detection unit is connected with the read signal line and is configured to acquire information of a touch object and transmit the acquired information of the touch object to the read signal line. The display device has a function of touch object identification (e.g., palm print identification) and has a simple structure.
    Type: Application
    Filed: October 30, 2015
    Publication date: April 27, 2017
    Inventors: Shengji YANG, Xue DONG, Haisheng WANG, Xiaochuan CHEN, Yingming LIU, Weijie ZHAO, Changfeng LI, Jiantao LIU, Lei WANG, Rui XU, Hongjuan LIU
  • Patent number: 9626051
    Abstract: A touch display panel, a manufacturing method thereof and a touch display device are disclosed. The touch display panel comprises: an array substrate and an opposing substrate. A common electrode layer is formed on a transparent substrate of the array substrate. Touch sensing electrodes are formed on one surface of a transparent substrate of the opposing substrate facing the array substrate. The common electrode layer is configured as first common electrodes in the display period, and at least one part of the common electrode layer is configured as touch driving electrodes in the touch period. The part of the common electrode layer taken as the touch driving electrodes and the touch sensing electrodes intersect each other. The touch display panel has simple manufacturing processes and can effectively reduce the manufacturing costs of the touch panel and improve the productivity.
    Type: Grant
    Filed: September 26, 2014
    Date of Patent: April 18, 2017
    Assignees: BOE Technology Group Co., Ltd., Beijing BOE Optoelectronics Technology Co., Ltd.
    Inventors: Weijie Zhao, Xue Dong, Haisheng Wang, Lei Wang, Hongjuan Liu, Xiaoliang Ding, Shengji Yang, Yingming Liu, Tao Ren
  • Publication number: 20170102795
    Abstract: The embodiments of the present application relate to the technical field of touch display device, and disclose a touch display device, including a touch display panel and a control unit arranged on a side of the touch display panel, with a first wiring area being arranged between the touch display panel and the control unit; wherein a plurality of data connection lines and a plurality of touch connection lines are led out of a side edge of the touch display panel, the plurality of data connection lines being connected with a plurality of data pins on the control unit in a one-to-one correspondence manner, while the plurality of touch connection lines being connected with a plurality of touch pins on the control unit in a one-to-one correspondence manner; and wherein within the first wiring area, the plurality of data connection lines are divided into two wiring layers, the plurality of touch connection lines being arranged at least in layer in which one wiring layer of the data connection lines are located.
    Type: Application
    Filed: July 12, 2016
    Publication date: April 13, 2017
    Inventors: Lei Wang, Xiaochuan Chen, Hailin Xue, Haisheng Wang, Zhiying Bao, Zhenhua Lv, Shengji Yang, Yingming Liu, Shijun Wang, Yue Li, Xiaoliang Ding, Yanna Xue, Hongjuan Liu
  • Publication number: 20170103251
    Abstract: The present invention provides a fingerprint recognition device, a display screen and a display device, which belong to the field of display technology and can solve the problem of high cost for conventional fingerprint recognition devices The fingerprint recognition device of the present invention arranged at a light emitting side of a display panel includes a protection substrate, a glass base positioned under the protection substrate, a plurality of detecting electrodes formed on the glass base, capacitance being formed between the plurality of detecting electrodes and ridges or valleys of a fingerprint when touching occurs, and a control unit used to recognize the fingerprint based on the capacitance. The fingerprint recognition device of the present invention has a simple structure and a low cost.
    Type: Application
    Filed: August 19, 2015
    Publication date: April 13, 2017
    Inventors: Yingming LIU, Xue DONG, Haisheng WANG, Shengji YANG, Xiaoliang DING, Weijie ZHAO, Hongjuan LIU, Liguang DENG, Changfeng LI, Wei LIU
  • Publication number: 20170083163
    Abstract: Provided are a touch display circuit and driving method thereof, and a display apparatus. The touch display circuit comprises: a reset module connected to a reset signal terminal, a first level terminal and a first node; a charging module connected to a gate signal terminal, a data signal terminal and a second node; a pull-up module connected to a second level terminal, a first scan signal terminal, the first node and the second node; a driving module connected to the second level terminal, the gate signal terminal, the first node and a third node; and an electroluminescent module connected to the third node, a second scan signal terminal and a third level terminal. The touch display circuit outputs stable driving current and avoids or reduces the influence of the opposite electrodes on the touch driving.
    Type: Application
    Filed: April 20, 2016
    Publication date: March 23, 2017
    Inventors: Hongjuan LIU, Haisheng WANG, Xiaochuan CHEN, Shengji YANG, Yingming LIU, Xiaoliang DING, Weijie ZHAO, Changfeng LI, Wei LIU
  • Publication number: 20170075450
    Abstract: The present disclosure discloses an embedded touch panel and display device. The embedded touch panel comprises an upper substrate, a lower substrate opposite to the upper substrate, multiple pixel units disposed on a plane of the lower substrate facing the upper substrate, wherein each of the pixel units comprises a bottom-emitting OLED pixel structure and a pixel circuit; a plurality of independent self-capacitance electrodes disposed between the lower substrate and the pixel units and insulated from the pixel units; a touch sensing chip which determines a touch position by detecting a change in capacitance of each of the self-capacitance electrodes during a touch duration; and wires disposed between the lower substrate and the OLED pixel structure, each of the wires corresponding to each of the self-capacitance electrodes and connecting the self-capacitance electrode to the touch sensing chip.
    Type: Application
    Filed: May 9, 2016
    Publication date: March 16, 2017
    Inventors: Pengpeng WANG, Xue DONG, Hailin XUE, Haisheng WANG, Xiaochuan CHEN, Xiaoliang DING, Shengji YANG, Yingming LIU, Weijie ZHAO, Hongjuan LIU, Changfeng LI, Wei LIU