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: 20160291773
    Abstract: The present disclosure provides an in-cell touch panel, its driving method and a display device. The in-cell touch panel includes a resetting signal line, display control modules and touch control modules. Each touch driving sub-electrode is connected to the corresponding display control module and the corresponding touch control module. The display control module is connected to gate lines crossing each touch driving sub-electrode and configured to, when driving the gate lines crossing each touch driving sub-electrode, control the touch driving sub-electrode to be connected to a common electrode line. The touch control module is connected to the resetting signal line and configured to, after all the gate lines crossing each touch driving sub-electrode have been driven, control the touch driving sub-electrode to be connected to the touch driving signal line through a resetting signal from the resetting signal line.
    Type: Application
    Filed: February 9, 2015
    Publication date: October 6, 2016
    Applicants: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Haisheng Wang, Xue Dong, Yingming Liu, Xiaoliang Ding, Shengji Yang, Tao Ren, Weijie Zhao, Hongjuan Liu
  • Publication number: 20160294386
    Abstract: An array substrate and a manufacturing method thereof, and a display device are provided.
    Type: Application
    Filed: October 1, 2014
    Publication date: October 6, 2016
    Applicants: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Shengji YANG, Xue DONG, Haisheng WANG, Hailin XUE, Yingming LIU, Weijie ZHAO, Hongjuan LIU, Xiaoliang DING
  • Publication number: 20160283002
    Abstract: The invention discloses an array substrate, a touch control display device and a touch control driving method. The array substrate comprises a common electrode layer, comprising: touch control driving electrodes and common electrodes insulated from one another and arranged in an intersecting manner, each of the touch control driving electrodes being loaded a common electrode signal and a touch control scanning signal in a time-sequence manner and comprising touch control driving sub-electrodes arranged along an extending direction of thereof at an interval and each being positioned between adjacent common electrodes; pixel units; and touch control driving lines, arranged in a same layer as data lines or gate lines, an extending direction thereof being same as that of the touch control driving electrode, and touch control driving sub-electrodes of each of the touch control driving electrodes being electrically connected by at least one of the touch control driving line.
    Type: Application
    Filed: June 30, 2015
    Publication date: September 29, 2016
    Inventors: Yingming Liu, Xue Dong, Haisheng Wang, Xiaoliang Ding, Shengji Yang, Weijie Zhao, Hongjuan Liu, Lei Wang, Changfeng Li, Wei Liu
  • Publication number: 20160283000
    Abstract: The present invention provides a touch display panel and a display device. The touch display panel includes a substrate, which is provided thereon with a common electrode layer, a thin film transistor, and a data line and a pixel electrode connected with the thin film transistor. The common electrode layer includes a touch driving electrode and a common electrode which are insulated and spaced apart from each other. The array substrate further includes a shielding layer, which shields a spacing region between the touch driving electrode and the common electrode corresponding to position of the data line, thereby greatly reducing noise generated when the source and the data line are being charged, and in turn enabling the touch and the display of the touch display panel to be performed simultaneously.
    Type: Application
    Filed: October 11, 2014
    Publication date: September 29, 2016
    Applicants: BOE Technology Group co., Ltd., Beijing BOE Optoelectronics Technology Co., Ltd.
    Inventors: Haisheng WANG, Xue DONG, Hongjuan LIU, Xiaoliang DING, Shengji YANG, Yingming LIU, Weijie ZHAO, Tao REN
  • Publication number: 20160274716
    Abstract: An in-cell touch panel and a display device are disclosed. The in-cell touch panel includes: an upper substrate and a lower substrate arranged opposite to each other, a plurality of mutually independent self-capacitance electrodes arranged in the same layer, and a plurality of leads configured to connect the self-capacitance electrodes to a touch detection chip. The self-capacitance electrodes and the plurality of leads are arranged in different layers; an interlayer insulating layer is disposed between the self-capacitance electrodes and the leads; each self-capacitance electrode is electrically connected with the lead via a through hole running through the interlayer insulating layer; and the interlayer insulating layer is provided with recessed portions at overlapped areas of the self-capacitance electrodes and the leads other than the leads electrically connected with the self-capacitance electrodes. Therefore, the uniformity of display images of the touch panel can be improved.
    Type: Application
    Filed: September 20, 2014
    Publication date: September 22, 2016
    Applicants: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yingming LIU, Xue DONG, Hailin XUE, Haisheng WANG, Lei WANG, Shengji YANG, Hongjuan LIU
  • Publication number: 20160274715
    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: Application
    Filed: September 20, 2014
    Publication date: September 22, 2016
    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: 20160274721
    Abstract: A touch screen and a drive method therefor, and a display device. The touch screen includes a color filter substrate and an array substrate that are disposed opposite to each other. The color filter substrate includes a first base substrate and a first electrode disposed on the first base substrate; the array substrate includes a second base substrate and a transparent conductive layer that is disposed on the second base substrate, and the transparent conductive layer includes a second electrode and a common electrode, with the first electrode being staggered with the second electrode; in a touch time period, a signal on the common electrode is the same as the signal on the first electrode; in a display time period, the second electrode and the common electrode are configured for loading a common electrode signal.
    Type: Application
    Filed: July 30, 2014
    Publication date: September 22, 2016
    Inventors: Xiaoliang Ding, Lei Wang, Hongjuan Liu, Xue Dong, Haisheng Wang, Weijie Zhao, Yingming Liu, Shengji Yang, Chunlei Wang, Tao Ren
  • Publication number: 20160266677
    Abstract: An in-cell touch panel and a display device are provided, and the in-cell touch panel includes: an upper substrate and a lower substrate arranged oppositely to each other; a plurality of self-capacitance electrodes arranged in a same layer and insulated from each other at a side, facing the lower substrate, of the upper substrate or a side, facing the upper substrate, of the lower substrate; a shielding electrode provided at a side, facing the lower substrate, of each of the self-capacitance electrodes, which is insulated from the shielding electrode; and an insulating layer arranged between each of the self-capacitance electrodes and the shielding electrode. Such an in-cell touch panel may isolate the touch detection signals applied to the self-capacitance electrodes from the display signals, so as to avoid mutual interference therebetween.
    Type: Application
    Filed: September 23, 2014
    Publication date: September 15, 2016
    Inventors: Yingming LIU, Xue DONG, Hailin XUE, Haisheng WANG, Weijie ZHAO, Shengji YANG, Xiaoliang DING, Hongjuan LIU
  • Publication number: 20160266676
    Abstract: A method for driving an in-cell touch panel, a drive device and a display device are disclosed. The driving method includes: in a touch period, applying touch detection signals to self-capacitance electrodes, receiving feedback touch sensing signals, and determine a possible touch area provided with at least one self-capacitance electrode according to the variation of the touch sensing signals compared with the touch detection signals; subsequently, taking at least a portion of self-capacitance electrodes in the touch area as a first touch electrode, taking a self-capacitance electrode adjacent to the first touch electrode as a second touch electrode, and determining an accurate touch position according to the principle of the different amount of projection fields between the first touch electrodes and the second touch electrodes. The driving method can improve the touch detection accuracy.
    Type: Application
    Filed: September 30, 2014
    Publication date: September 15, 2016
    Inventors: Haisheng WANG, Xue DONG, Yingming LIU, Xiaoliang DING, Shengji YANG, Weijie ZHAO, Hongjuan LIU, Tao REN
  • Publication number: 20160266675
    Abstract: An in-cell touch panel and a display device are provided, and the in-cell touch panel includes: an upper substrate and a lower substrate arranged oppositely to each other; a conductive layer which is provided on a side, facing the lower substrate, of the upper substrate or on a side, facing the upper substrate, of the lower substrate, and comprises a plurality of hollowed-out regions arranged in a matrix form; a plurality of self-capacitance electrodes insulated from the conductive layer and arranged in a layer in which the conductive layer is provided, each of the hollowed-out regions being provided therein with at least one of the self-capacitance electrodes; and a plurality of conductive wires respectively electrically connected with the self-capacitance electrodes. This in-cell touch panel can reduce the number of the conductive wires, so as to facilitate a narrow frame design and reduce the occurrence possibility of a larger touch blind area to a certain extent.
    Type: Application
    Filed: September 23, 2014
    Publication date: September 15, 2016
    Inventors: Shengji YANG, Xue DONG, Haisheng WANG, Hailin XUE, Yingming LIU, Weijie ZHAO, Xiaoliang DING, Hongjuan LIU, Changfeng LI
  • Publication number: 20160260781
    Abstract: An organic light-emitting diode display unit, a driving method thereof and a display device are disclosed. At least part of pixel units are pixel units each with a stacked structure; each pixel unit with the stacked structure includes two adjacent subpixel unit stacked groups; and each subpixel unit stacked group includes at least two subpixel units which have different emitting colors and are stacked and insulated from each other. During display of different image frames, each subpixel unit stacked group in each pixel unit with the stacked structure can display gray-scale effect of at least two colors based on applied signals. Compared with an approach that each subpixel unit can only display gray-scale effect of only one color for different image frames, the display effect can be improved.
    Type: Application
    Filed: January 16, 2015
    Publication date: September 8, 2016
    Inventors: Shengji Yang, Xue Dong, Hailin Xue, Haisheng Wang, Yiming Zhao, Xiao Sun, Peng Liu, Hongjuan Liu, Yingming Liu
  • Publication number: 20160259445
    Abstract: An array substrate, a method for fabricating the same and a display device are disclosed. The substrate comprises: a gate electrode (11) and a gate line (12) disposed on a base substrate (00), an active layer (20) disposed on the film layer comprising the gate electrode (11) and the gate line (12).
    Type: Application
    Filed: October 1, 2014
    Publication date: September 8, 2016
    Applicants: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Shengji YANG, Xue DONG, Haisheng WANG, Hailin XUE, Yingming LIU, Weijie ZHAO, Hongjuan LIU, Xiaoliang DING, Lei WANG, Chunlei WANG
  • Publication number: 20160259444
    Abstract: The present invention discloses a touch screen panel and a display device, the touch screen panel comprises an array substrate and an assembling substrate which are arranged opposite to each other, and a touch detection chip for detecting a touch, wherein the array substrate comprises: a first predetermined number of first self capacitive electrodes and first leads; the assembling substrate comprises: a second predetermined number of second self capacitive electrodes and second leads; projections of the first self capacitive electrodes on the assembling substrate fall within a region on the assembling substrate without the second self capacitive electrodes. In solutions of the present invention, width of the frame region of the array substrate or the assembling substrate can be reduced accordingly, and narrow frame of the touch screen panel can be realized.
    Type: Application
    Filed: January 13, 2015
    Publication date: September 8, 2016
    Inventors: Shengji YANG, Xue DONG, Haisheng WANG, Yingming LIU, Xiaoliang DING, Weijie ZHAO, Hongjuan LIU, Changfeng LI
  • Publication number: 20160246408
    Abstract: An in-cell touch panel and a display device are disclosed. The in-cell touch panel includes a top substrate and a bottom substrate disposed oppositely to each other, a common electrode layer disposed on a side of the bottom substrate that faces the top substrate, and a touch sensing chip. The common electrode layer includes a plurality of independent self-capacitance electrodes. The touch sensing chip is configured to apply common electrode signals to self-capacitance electrodes in a display interval and determine touch positions by detecting capacitance value variation of self-capacitance electrodes in a touch interval. No additional process is added in the manufacturing process of the array substrate for the in-cell touch panel, thereby saving production costs and improving production efficiency.
    Type: Application
    Filed: September 18, 2014
    Publication date: August 25, 2016
    Inventors: Lei WANG, Hailin XUE, Yanna XUE, Hongjuan LIU, Haisheng WANG
  • Publication number: 20160246425
    Abstract: The present invention provides an array substrate and a manufacturing method thereof, a touch screen and a display apparatus. The array substrate comprises: a substrate base; and gate lines, data lines and a common electrode layer formed on the substrate base, wherein the gate lines and the data lines define pixel units, and the common electrode layer comprises touch scan electrodes and touch sense electrodes, and wherein common electrode signals are loaded on the touch scan electrodes during a display period and touch scan signals are loaded on the touch scan electrodes during a touch period, and common electrode signals are loaded on the touch sense electrodes during the display period and the touch sense electrodes output touch sense signals during the touch period.
    Type: Application
    Filed: October 23, 2013
    Publication date: August 25, 2016
    Applicants: BOE Technology Group Co., Ltd., Beijing BOE Optoelectronics Technology Co., Ltd.
    Inventors: Hongjuan Liu, Xue Dong, Haisheng Wang, Shengji Yang, Lei Wang, Chunlei Wang, Yingming Liu, Tao Ren, Weijie Zhao, Xiaoliang Ding
  • Publication number: 20160246403
    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: Application
    Filed: September 26, 2014
    Publication date: August 25, 2016
    Inventors: Weijie ZHAO, Xue DONG, Haisheng WANG, Lei WANG, Hongjuan LIU, Xiaoliang DING, Shengji YANG, Yingming LIU, Tao REN
  • Patent number: 9423916
    Abstract: An in-cell touch panel and a display device are configured to address mutual interference between touch signals and image display signals and increase opening ratio of the in-cell touch panel at the same time. The in-cell touch panel includes a color filter substrate and an array substrate disposed opposite to form a cell, a plurality of sub-pixel units arranged in matrix are disposed on said array substrate, and further includes: a plurality of touch sensing electrodes distributed in a column direction of said sub-pixel units on said color filter substrate, and a plurality of touch driving electrodes distributed in a row direction of said sub-pixel units on said array substrate, every two adjacent rows of sub-pixel units constituting a sub-pixel unit group and gate lines for providing gate signals to these two rows of sub-pixel units being disposed between these two rows of sub-pixel units; wherein said touch driving electrodes are located in non-display areas between said sub-pixel unit groups.
    Type: Grant
    Filed: July 10, 2013
    Date of Patent: August 23, 2016
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Haisheng Wang, Xue Dong, Cheng Li, Xiaoliang Ding, Hongjuan Liu, Shengji Yang, Weijie Zhao, Yingming Liu, Tao Ren
  • Publication number: 20160209951
    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: Application
    Filed: July 17, 2015
    Publication date: July 21, 2016
    Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP 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: 20160188031
    Abstract: An in-cell touch panel and a display device are disclosed. The touch panel comprises: an upper substrate (01) and a lower substrate (02) that are disposed opposite to each other, with a planarization layer (09) and a spacer layer (10), which is disposed on the planarization layer (09), provided at a side, facing the lower substrate (02), of the upper substrate (01); and a plurality of self-capacitive electrodes (04) disposed in a same layer, insulated from each other and arranged between the planarization layer (09) and the spacer layer (10). In the touch panel, the self-capacitive electrodes (04) are arranged between the planarization layer (09) and the spacer layer (10) of the upper substrate (01), and thus patterning process for the planarization layer (09) can be omitted so as to reduce the manufacturing processes.
    Type: Application
    Filed: August 15, 2014
    Publication date: June 30, 2016
    Inventors: Haisheng WANG, Xue DONG, Yingming LIU, Xiaoliang DING, Shengji YANG, Weijie ZHAO, Hongjuan LIU, Tao REN, Chunlei WANG
  • Publication number: 20160188029
    Abstract: In a capacitive in-cell touch screen and a display device, the common electrode layer connected in the entire surface in the array substrate is divided to form touch driving electrodes and common electrodes which are insulated from each other and alternatively disposed, touch sensing electrodes are disposed on the upper substrate and touch driving electrodes are driven in a time-division manner to realize touch function and display function. Disposing projections of touch sensing electrodes on the array substrate in areas where common electrodes are may reduce right opposite areas between touch sensing electrodes and touch driving electrodes, thereby reduce opposite capacitance; providing sides of touch driving electrodes and adjacent sides of common electrodes as broken lines and providing consistent shapes for touch sensing electrodes and common electrodes may increase opposite areas between touch driving electrodes and touch sensing electrodes, thereby increasing projection capacitance per unit area.
    Type: Application
    Filed: November 25, 2013
    Publication date: June 30, 2016
    Inventors: Hongjuan LIU, Xue DONG, Haisheng WANG, Shengji YANG, Lei WANG, Chunlei WANG, Yingming LIU, Tao REN, Weijie ZHAO, Xiaoliang DING