Patents by Inventor Hengzhen Liang

Hengzhen Liang 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: 20220418091
    Abstract: The flexible circuit board includes: a substrate layer; a first conductive layer; a second conductive layer; a first cover film, a second cover film, a first electromagnetic shielding layer, and a second electromagnetic shielding layer. The part of the first cover film overlapping a first conductive portion has first hollow portions. The part of the second cover film overlapping a second conductive portion has second hollow portions. The orthographic projection of each first hollow portion on the substrate layer has an overlapping area with the orthographic projection of at least one second hollow portion on the substrate layer. The first electromagnetic shielding layer is coupled to the first conductive portion through the first hollow portions. The second electromagnetic shielding layer is coupled to the second conductive portion through the second hollow portions.
    Type: Application
    Filed: May 12, 2021
    Publication date: December 29, 2022
    Inventors: Hui WEN, Lianbin LIU, Hengzhen LIANG, Xu LU, Zhaolun LIU
  • Publication number: 20220408548
    Abstract: A flexible printed circuit board and a display touch apparatus are provided. The flexible printed circuit board includes a binding terminal region, a first circuit region and a second circuit region; the binding terminal region includes multiple terminals, the first circuit region includes a driver circuit, multiple first signal lines, multiple second signal lines, and multiple third signal lines, and the second circuit region includes an external connector; first ends of the multiple first signal lines, the multiple second signal lines and the multiple third signal lines are respectively connected to the terminals of the binding terminal region; second ends of the multiple first signal lines and the multiple second signal lines are respectively connected to the driver circuit; and second ends of the multiple third signal lines are connected to the connector.
    Type: Application
    Filed: December 17, 2020
    Publication date: December 22, 2022
    Inventors: Wenxiao NIU, Xinpeng WANG, Hengzhen LIANG, Xiaolong ZHU, Lianbin LIU
  • Publication number: 20220374048
    Abstract: A display apparatus includes an antenna and a first bending portion. The antenna includes an antenna feed point. An end of the first bending portion is connected to a side edge of a touch film proximate to the antenna feed point, and another end of the first bending portion is provided with a first bonding pin group and a first redundant pin group. The first redundant pin group is located on a side of the first bonding pin group proximate to a first plane, such that a wiring blank area of the first bending portion is formed on a side of a connection lead group proximate to the first plane.
    Type: Application
    Filed: June 9, 2021
    Publication date: November 24, 2022
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wenxiao NIU, Lianbin LIU, Hengzhen LIANG, Shiheng MU
  • Publication number: 20220342528
    Abstract: A touch sensor and a display apparatus are disclosed. The touch sensor includes a first opening region, first touch electrodes, second touch electrodes, at least one first jumper conductor wire and at least one first conducting electrode.
    Type: Application
    Filed: March 19, 2020
    Publication date: October 27, 2022
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wenxiao NIU, Qing GONG, Wei LIAO, Shiheng MU, Hengzhen LIANG, Xinpeng WANG
  • Publication number: 20220338345
    Abstract: A reinforcement board for a flexible printed circuit, a flexible printed circuit assembly, and a display device. The reinforcement board for a flexible printed circuit comprises a substrate; the substrate comprises a first surface and a second surface which are opposite to each other; a through hole passing through the first surface and the second surface is provided on the substrate; the first surface, the second surface, and the wall of the through hole are all provided with a conductive layer; and the conductive layers on the first surface and the second surface are connected by means of the conductive layer on the wall of the through hole.
    Type: Application
    Filed: May 14, 2021
    Publication date: October 20, 2022
    Inventors: Fei LI, Xinpeng WANG, Wenxiao NIU, Hao HUANG, Zijian WANG, Xiaolong ZHU, Xu LU, Hengzhen LIANG
  • Publication number: 20220328576
    Abstract: A display device includes first and second camera regions, a function integrating region, and an ambient light sensing region. A display panel has a first through hole in the first camera region, a second through hole in the second camera region, and a non-display region between the through holes. A cover panel is provided on the display side of the display panel. A grid glue has an orthographic projection of the first openings of the two camera regions and has an area greater than an orthographic projection of the through holes. A rigid heat dissipating layer has a second opening in all the four adjacent regions, and an orthographic projection of the second openings has an area greater than the orthographic projection of the first openings, and a photosensitive module defines an orthographic projection with an area greater than the orthographic projections of the first openings and the second openings.
    Type: Application
    Filed: February 2, 2021
    Publication date: October 13, 2022
    Inventors: Hao HUANG, Fei LI, Yaqian ZHANG, Xinpeng WANG, Xiaolong ZHU, Hengzhen LIANG, Huan MENG
  • Publication number: 20220317849
    Abstract: A touch sensor and a display apparatus are disclosed. The touch sensor includes a first opening region, first touch electrodes, second touch electrodes, and a conducting structure. The first touch electrodes include first touch sub-electrodes; the second touch electrodes include second touch sub-electrodes; each of a first group of second touch electrodes further includes a transition touch electrode; a virtual straight line passing through the center of the first opening region respectively intersects with two sides of the transition touch electrode at a first position and a second position, and a distance between the first position and the second position is less than a maximum width of at least one of the second touch sub-electrodes; and the conducting structure at least partially surrounds an edge of the first opening region, and is connected with the transition touch electrode in parallel and electrically.
    Type: Application
    Filed: March 19, 2020
    Publication date: October 6, 2022
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wenxiao NIU, Hengzhen LIANG, Fan LI, Wei LIAO, Xu LU
  • Publication number: 20220317850
    Abstract: A touch sensor and a display apparatus are disclosed. The touch sensor includes a first opening region, first touch electrodes and second touch electrodes. The first touch electrodes respectively extend along a first direction, and at least one of the first touch electrodes includes first touch sub-electrodes arranged side by side in the first direction and electrically connected with each other; the second touch electrodes respectively extend along a second direction, and at least one of the second touch electrodes includes second touch sub-electrodes arranged side by side in the second direction and electrically connected with each other; an area of a first touch sub-electrode in the first region is less than that of a first touch sub-electrode in the third region, or an area of a second touch sub-electrode in the first region is less than that of a second touch sub-electrode in the third region.
    Type: Application
    Filed: March 19, 2020
    Publication date: October 6, 2022
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wenxiao NIU, Hengzhen LIANG, Qing GONG, Shiheng MU
  • Publication number: 20220314574
    Abstract: A display panel and a manufacturing method thereof, and a display device. The display panel comprises: a display module having an opening extending therethrough in a direction perpendicular to a light-exiting surface; and a light-shielding structure comprises a light-blocking layer positioned at an inner wall of the opening of the display module. The light-blocking layer can effectively prevent light from leaking from a film layer of the display module where the opening extends therethrough.
    Type: Application
    Filed: February 8, 2021
    Publication date: October 6, 2022
    Inventors: Zhengkun QIAN, Hengzhen LIANG
  • Publication number: 20220300045
    Abstract: A circuit board, a display panel and a display apparatus are provided. The circuit board includes a main circuit board and an adapter circuit board stacked on the main circuit board. The adapter circuit board is provided with at least one first pad region, and the first pad region includes a hollowed region penetrating through the adapter circuit board and multiple first pads distributed around the hollowed region. The main circuit board is provided with at least one second pad region including multiple second pads, and the first pads of each of the first pad regions are respectively soldered to the multiple second pads of a corresponding second pad region.
    Type: Application
    Filed: October 27, 2021
    Publication date: September 22, 2022
    Inventors: Fan LI, Qiang TANG, Lianbin LIU, Yunhan XIAO, Xiaolong ZHU, Hengzhen LIANG
  • Publication number: 20220291799
    Abstract: Embodiments of the present disclosure provide a bonding circuit board, one end of which is connected to a display panel, and the other end of which is connected to a host side; the bonding circuit board includes a first sub-section and a second sub-section, which may be bonded and connected to each other, the first sub-section includes at least three first printed circuit layers, which are stacked on one another, and an insulation layer is arranged between any two adjacent first printed circuit layers of the at least three first printed circuit layers; and the second sub-section includes one second printed circuit layer or two second printed circuit layers which are stacked on each other, and the insulation layer is arranged between the two second printed circuit layers.
    Type: Application
    Filed: March 10, 2021
    Publication date: September 15, 2022
    Inventors: Hui WEN, Lianbin LIU, Xu LU, Hengzhen LIANG
  • Publication number: 20220271263
    Abstract: The present invention provides a display module and a fixing method therefor, and a display apparatus. The display module is provided with a light-shielding structure including a light-shielding part and a supporting part that are integrally formed, wherein the light-shielding part is arranged around the inner wall of a through hole; the supporting part is fixed to a side of a display panel away from a cover plate; and an orthographic projection of the light-shielding part on the cover plate and an orthographic projection of a light-shielding layer on the cover plate at least partially overlap, such that a transition area is surrounded by the light-shielding layer and the light-shielding part in a through hole area.
    Type: Application
    Filed: March 9, 2021
    Publication date: August 25, 2022
    Inventors: Fan LI, Xiaolong ZHU, Hengzhen LIANG, Xinpeng WANG, Wenxiao NIU, Bing GONG, Zhihui YAN
  • Publication number: 20220240386
    Abstract: A flexible circuit board including: a body area including a plurality of wirings; a bonding area combined with a first side of the body area; and an extension area combined with a second side of the body area opposite to the first side. The body area includes a first sub-body area and a second sub-body area located on a side of the first sub-body area close to the extension area; the plurality of wirings at least include a first wiring, a second wiring and a third wiring all extend in the first sub-body area, and the first wiring and the second wiring extend in the second sub-body area. The first sub-body area includes a multi-layer board structure, the second sub-body area includes a single-layer board structure or a double-layer board structure, and a thickness of the second sub-body area is smaller than a thickness of the first sub-body area.
    Type: Application
    Filed: December 25, 2020
    Publication date: July 28, 2022
    Inventors: Fan Li, Wenxiao Niu, Ji Wang, Yunhan Xiao, Hengzhen Liang
  • Patent number: 11386855
    Abstract: A voltage control circuit is configured to connected to a display panel, the display panel includes a plurality of pixels, the plurality of pixels includes a first pixel and a second pixel, and the first pixel and the second pixel are pixels corresponding to different colors. The voltage control circuit is configured to provide a first voltage to the first pixel and a second voltage to the second pixel at a first time and a second time, respectively; the first voltage provided at the first time is different from the second voltage provided at the first time, and the first voltage provided at the second time is identical with the second voltage provided at the second time.
    Type: Grant
    Filed: May 20, 2020
    Date of Patent: July 12, 2022
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Hengzhen Liang, Xuesong Tian, Wen Xu, Xu Lu
  • Publication number: 20220210917
    Abstract: A flexible printed circuit and a display device are provided. The flexible printed circuit includes: a plurality of sub-circuit boards arranged in a stack, wherein the plurality of sub-circuit boards include at least a first sub-circuit board and a second sub-circuit board; and a pressure sensor arranged on the first sub-circuit board, wherein the first sub-circuit board includes: a substrate film; a conductive film arranged on a side of the substrate film away from the second sub-circuit board; an adhesive layer arranged on a side of the conductive film away from the substrate film; a cover layer arranged on a side of the adhesive layer away from the substrate film; and an electromagnetic shielding layer arranged on a side of the cover layer away from the substrate film, wherein at least a part of the conductive film is formed as an electrode of the pressure sensor.
    Type: Application
    Filed: December 25, 2020
    Publication date: June 30, 2022
    Inventors: Lianbin Liu, Hengzhen Liang, Xu Lu, Xiaolong Zhu, Qing Gong, Hui Wen, Ting Qin
  • Patent number: 11352193
    Abstract: A moisture resistant pad for a liquid crystal panel, including at least one moisture resistant construction including a central region and an edge region disposed around the central region, wherein the edge region includes a first undulation structure disposed around the central region, the first undulation structure being a closed structure for blocking water vapor out of the central region. In the moisture resistant pad for a liquid crystal panel, channels formed within a surface of a product that needs to be moisture resistant are isolated from the external environment so that water vapor in the external environment cannot contact the product surface through the channels. As a result, the pad has good moisture resistance, suitable in transportation environments or in packaging container environments.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: June 7, 2022
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Chao Lv, Hui Dong, Ran Zhang, Xinwei Jiao, Baoyong Nie, Le Guo, Jun Zhang, Hengzhen Liang
  • Publication number: 20220159833
    Abstract: A flexible printed circuit for bridging is provided. The flexible printed circuit has at least one via, at least one overflow groove is provided at a first distance from an edge of the via, and the overflow groove is provided in a cover layer on a side of a soldering surface of the flexible printed circuit.
    Type: Application
    Filed: June 23, 2021
    Publication date: May 19, 2022
    Inventors: Xiaolong ZHU, Hengzhen LIANG
  • Patent number: 11308903
    Abstract: A source driving device, a polarity reversal control method thereof, and a liquid crystal display device. In the source driving device, a polarity signal control unit is added, and an output terminal of the polarity signal control unit is connected to control terminals of a first channel selection circuit and a second channel selection circuit in a positive-negative polarity reversal control unit, respectively. Polarity reversal condition of the polarity reversal control signal outputted by the polarity signal control unit is controlled using a trigger control signal inputted to a control terminal of the polarity signal control unit.
    Type: Grant
    Filed: October 10, 2017
    Date of Patent: April 19, 2022
    Assignees: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Hengzhen Liang
  • Publication number: 20220115621
    Abstract: There is provided a display device including a cover plate and a display panel; the cover plate includes a middle plane part, a first edge curved surface part, a second edge covered surface part and a corner curved surface part; the display panel includes a middle part, an edge part and a corner part; the middle part is arranged corresponding to the middle plane part; the edge part includes a first edge part and a second edge part; the first edge part and the first edge curved surface part are arranged correspondingly, and the second edge part and the second edge curved surface part are arranged correspondingly; the corner part and the corner curved surface part are correspondingly arranged; the middle part is in a display area; at least a portion of the edge part and the corner part adjacent to the middle part is in the display area.
    Type: Application
    Filed: March 20, 2020
    Publication date: April 14, 2022
    Inventors: Xinpeng WANG, Xiaolong ZHU, Hengzhen LIANG, Fan LI, Wenxiao NIU, Hao HUANG
  • Publication number: 20220085118
    Abstract: The present disclosure provides a display panel, a manufacturing method thereof, and a display device. The display panel includes a first area and a second area. A pixel density of the first area is greater than that of the second area. In the second area, each pixel includes a first sub-pixel, a second sub-pixel, a third sub-pixel, and a fourth sub-pixel. The first sub-pixel, the third sub-pixel, and the fourth sub-pixel are in a same sub-pixel row. The first sub-pixel is between the third sub-pixel and the fourth sub-pixel. The first sub-pixel and the second sub-pixel are in a same sub-pixel column. The first sub-pixel and the second sub-pixel are respectively in adjacent sub-pixel rows. The first sub-pixel and the second sub-pixel has a same emission color. The first sub-pixel, the third sub-pixel, and the fourth sub-pixel have different emission colors.
    Type: Application
    Filed: November 29, 2021
    Publication date: March 17, 2022
    Inventors: Linhong Han, Yi Zhang, Hengzhen Liang, Shikai Qin