Patents by Inventor Yanfeng LIANG
Yanfeng 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).
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Patent number: 11550417Abstract: A touchscreen for a narrow-frame electronic device including a conductive layer, a display module, a first circuit board, and a second circuit board. The conductive layer includes a touch sensing electrode and N first traces. The first circuit board includes a touch driving integrated circuit. The second circuit board includes at least one wire. The touch sensing electrode is coupled to a first end of each of the N first traces. A second end of each of M first traces is coupled to a first end of one wire on the second circuit board through the display module, and a second end of each wire on the second circuit board is coupled to the touch driving integrated circuit. The at least one wire on the second circuit board is configured to couple the second end of each of the M first traces to the touch driving integrated circuit.Type: GrantFiled: January 17, 2020Date of Patent: January 10, 2023Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Yanfeng Liang, Shanshan Wei
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Patent number: 11515367Abstract: An electronic device and a method for manufacturing the display apparatus. The electronic device includes a display apparatus and a processor, wherein the display apparatus includes an active-matrix organic light emitting diode (AMOLED) panel, a touch panel, a chip IC, and a printed circuit board. The touch panel is disposed on an upper surface of the AMOLED panel, and the touch panel and the AMOLED panel each has an outgoing line. The outgoing line of the touch panel and the outgoing line of the AMOLED panel are separately extended to form an outgoing line extension end of the touch panel and an outgoing line extension end of the AMOLED panel. The outgoing line extension end of the AMOLED panel and the outgoing line extension end of the touch panel are electrically connected to the printed circuit board PCB by using the chip IC.Type: GrantFiled: March 31, 2018Date of Patent: November 29, 2022Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Shanshan Wei, Yanfeng Liang, Haohui Long, Jianhui Li, Lin Qu
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Patent number: 11450690Abstract: A display includes at least an array substrate, and the array substrate has a drive circuit layer. At least one first notch is provided on an outer edge of a lead-out side of the array substrate, and a first conductor is disposed in each first notch. A first end of the first conductor is in contact with a lead end of the drive circuit layer, and a second end of the first conductor extends along the first notch to a back side of the array substrate.Type: GrantFiled: December 29, 2018Date of Patent: September 20, 2022Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Shanshan Wei, Yanfeng Liang, Yuanjian Liu, Jianhui Li, Haohui Long
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Publication number: 20220075472Abstract: A touchscreen for a narrow-frame electronic device including a conductive layer, a display module, a first circuit board, and a second circuit board. The conductive layer includes a touch sensing electrode and N first traces. The first circuit board includes a touch driving integrated circuit. The second circuit board includes at least one wire. The touch sensing electrode is coupled to a first end of each of the N first traces. A second end of each of M first traces is coupled to a first end of one wire on the second circuit board through the display module, and a second end of each wire on the second circuit board is coupled to the touch driving integrated circuit. The at least one wire on the second circuit board is configured to couple the second end of each of the M first traces to the touch driving integrated circuit.Type: ApplicationFiled: January 17, 2020Publication date: March 10, 2022Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Yanfeng LIANG, Shanshan WEI
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Publication number: 20220020779Abstract: A display includes at least an array substrate, and the array substrate has a drive circuit layer. At least one first notch is provided on an outer edge of a lead-out side of the array substrate, and a first conductor is disposed in each first notch. A first end of the first conductor is in contact with a lead end of the drive circuit layer, and a second end of the first conductor extends along the first notch to a back side of the array substrate.Type: ApplicationFiled: December 29, 2018Publication date: January 20, 2022Inventors: Shanshan Wei, Yanfeng Liang, Yuanjian Liu, Jianhui Li, Haohui Long
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Patent number: 10965798Abstract: A touchscreen includes a touch drive electrode, a touch sensing electrode, a touch drive circuit, a gate drive circuit, a touch drive electrode lead, and a liquid crystal panel. The touch drive electrode extends along a first direction. The touch drive circuit is disposed in a non-display area of the touchscreen, and an extension direction of the touch drive circuit is parallel to an extension direction of the touch drive electrode. The extension direction of the touch drive circuit is the same as the extension direction of the touch drive electrode. Each touch drive electrode is connected to the touch drive circuit using a touch drive electrode lead. The touch drive electrode lead is disposed in an area in which a gate drive circuit is located. The touch drive electrode lead and the gate drive circuit are disposed in an overlapping manner and are isolated from each other.Type: GrantFiled: March 27, 2017Date of Patent: March 30, 2021Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Yanfeng Liang, Chunlang Pu, Jianbo Ye, Yong Li
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Patent number: 10955979Abstract: An array substrate including a display area and a non-display area, where the non-display area includes a first gate driving circuit, a second gate driving circuit, a first touch driving circuit and a second touch driving circuit. An extension direction of the first gate driving circuit and an extension direction of the second gate driving circuit are perpendicular to an extension direction of gate lines. An extension direction of the first touch driving circuit and an extension direction of the second touch driving circuit are perpendicular to an extension direction of touch driving electrodes. The first touch driving circuit and the first gate driving circuit are disposed in series along a same direction, and the second touch driving circuit and the second gate driving circuit are disposed in series along a same direction.Type: GrantFiled: July 31, 2018Date of Patent: March 23, 2021Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Yanfeng Liang, Chunlang Pu, Kangjie Chao
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Publication number: 20210043694Abstract: An electronic device and a method for manufacturing the display apparatus. The electronic device includes a display apparatus and a processor, wherein the display apparatus includes an active-matrix organic light emitting diode (AMOLED) panel, a touch panel, a chip IC, and a printed circuit board. The touch panel is disposed on an upper surface of the AMOLED panel, and the touch panel and the AMOLED panel each has an outgoing line. The outgoing line of the touch panel and the outgoing line of the AMOLED panel are separately extended to form an outgoing line extension end of the touch panel and an outgoing line extension end of the AMOLED panel. The outgoing line extension end of the AMOLED panel and the outgoing line extension end of the touch panel are electrically connected to the printed circuit board PCB by using the chip IC.Type: ApplicationFiled: March 31, 2018Publication date: February 11, 2021Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Shanshan WEI, Yanfeng LIANG, Haohui LONG, Jianhui LI, Lin QU
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Publication number: 20210004101Abstract: This application provides a touch display panel, a flexible display apparatus, and a method for manufacturing the touch display panel. The touch display panel includes a flexible substrate, a display component, a touch component, and a thin film encapsulation layer. The touch component and the display component are located at different locations on an upper surface of the flexible substrate, and the touch component and the display component are stacked together through folding, to form the touch display panel. The thin film encapsulation layer is formed on an upper surface of the touch component, an upper surface of the display component, and the upper surface of the flexible substrate. Due to a bendable feature of the flexible substrate, the display component and the touch component are manufactured at different locations on the flexible substrate at the same time, and an integrated touch display panel is formed through folding.Type: ApplicationFiled: November 24, 2017Publication date: January 7, 2021Inventors: Shanshan Wei, Yanfeng Liang, Jianhui Li, Haohui Long
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Publication number: 20200241703Abstract: Please replace the original abstract paragraph with the following new paragraph. An array substrate, comprising a display area and a non-display area, the non-display area comprises a first gate driving circuit, a second gate driving circuit, a first touch driving circuit and a second touch driving circuit; an extension direction of the first gate driving circuit and the second gate driving circuit is perpendicular to an extension direction of gate lines; an extension direction of the first touch driving circuit and the second touch driving circuit is perpendicular to an extension direction of touch driving electrodes; the first touch driving circuit and the first gate driving circuit are disposed in series along a same direction; and the second touch driving circuit and the second gate driving circuit are disposed in series along a same direction.Type: ApplicationFiled: July 31, 2018Publication date: July 30, 2020Inventors: Yanfeng Liang, Chunlang Pu, Kangjie Chao
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Publication number: 20200104011Abstract: A touchscreen includes a touch drive electrode, a touch sensing electrode, a touch drive circuit, a gate drive circuit, a touch drive electrode lead, and a liquid crystal panel. The touch drive electrode extends along a first direction. The touch drive circuit is disposed in a non-display area of the touchscreen, and an extension direction of the touch drive circuit is parallel to an extension direction of the touch drive electrode. The extension direction of the touch drive circuit is the same as the extension direction of the touch drive electrode. Each touch drive electrode is connected to the touch drive circuit using a touch drive electrode lead. The touch drive electrode lead is disposed in an area in which a gate drive circuit is located. The touch drive electrode lead and the gate drive circuit are disposed in an overlapping manner and are isolated from each other.Type: ApplicationFiled: March 27, 2017Publication date: April 2, 2020Inventors: Yanfeng Liang, Chunlang Pu, Jianbo ye, Yong Li
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Publication number: 20200064668Abstract: An array board and a method for producing an array board are disclosed. In an embodiment an array board includes one or more pixels, each pixel having a first thin film transistor, a pixel electrode, a common electrode and an auxiliary electrode, wherein the first thin film transistor is disposed on a substrate, wherein the pixel electrode is electrically connected to a drain electrode of the first thin film transistor by a via, wherein the auxiliary electrode is disposed at the via, wherein the auxiliary electrode is disposed between the pixel electrode and the drain electrode and the pixel electrode is electrically connected to the drain electrode via the auxiliary electrode, wherein the common electrode is disposed on one side of the pixel electrode and away from the substrate, and wherein an orthographic projection of the common electrode on the substrate and an orthographic projection of the pixel electrode on the substrate do not overlap.Type: ApplicationFiled: February 17, 2017Publication date: February 27, 2020Inventor: Yanfeng Liang
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Patent number: 10460701Abstract: A display mura correction method includes: obtaining initial image data of an initial image displayed on a display of a terminal, where the initial image data includes image data of a mura region corresponding to the initial image, when at least one pixel whose brightness value is not in a reference threshold set exists in the initial image data, the mura region is a region that is covered by the at least one pixel on the display, and a target feature data set of the mura region includes a set of target feature data of the at least one pixel; obtaining, according to a correspondence between feature data and a correction value and the target feature data of the at least one pixel, a target correction value set corresponding to the target feature data set; and writing the target correction value set into the terminal.Type: GrantFiled: March 20, 2015Date of Patent: October 29, 2019Assignee: Huawei Technologies Co., Ltd.Inventors: Honglei Luo, Liang Xie, Yanfeng Liang, Jianbo Ye, Chunlang Pu
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Publication number: 20180136506Abstract: A multi-domain vertical alignment liquid crystal display and a liquid crystal display manufacturing method are disclosed. The multi-domain vertical alignment liquid crystal display includes a first panel and a second panel where: the first panel is parallel to the second panel a liquid crystal is filled between the first panel and the second panel and both the first panel and the second panel are transparent; a first polarizer and a second polarizer respectively cover outsides of the first panel and the second panel and light transmission axes of the first polarizer and the second polarizer are perpendicular to each other; and at least one first groove is provided on the second panel and a slope of the first groove is smoothly connected to another part of the second panel and the bottom.Type: ApplicationFiled: April 28, 2015Publication date: May 17, 2018Inventors: Yanfeng LIANG, Liang XIE, Chen LIU
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Publication number: 20180061325Abstract: An image display method and an image display apparatus are disclosed.Type: ApplicationFiled: March 16, 2015Publication date: March 1, 2018Applicant: Huawei Technologies Co., Ltd.Inventors: Honglei LUO, Hao WANG, Chen LIU, Jie WU, Hai HUANG, Yanfeng LIANG
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Publication number: 20180047368Abstract: A display mura correction method includes: obtaining initial image data of an initial image displayed on a display of a terminal, where the initial image data includes image data of a mura region corresponding to the initial image, when at least one pixel whose brightness value is not in a reference threshold set exists in the initial image data, the mura region is a region that is covered by the at least one pixel on the display, and a target feature data set of the mura region includes a set of target feature data of the at least one pixel; obtaining, according to a correspondence between feature data and a correction value and the target feature data of the at least one pixel, a target correction value set corresponding to the target feature data set; and writing the target correction value set into the terminal.Type: ApplicationFiled: March 20, 2015Publication date: February 15, 2018Inventors: Honglei Luo, Liang Xie, Yanfeng Liang, Jianbo Ye, Chunlang Pu
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Patent number: 9563089Abstract: An array substrate comprises a substrate, a passivation layer on a surface of the substrate, a first organic film on a surface of the passivation layer and provided with a groove, a common electrode disposed on a surface of the first organic film outside the groove, and a pixel electrode disposed in the groove. A vertical projection of the common electrode on the surface of the passivation layer does not overlap with a vertical projection of the pixel electrode on the surface of the passivation layer.Type: GrantFiled: April 4, 2014Date of Patent: February 7, 2017Assignees: SHANGHAI AVIC OPTOELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.Inventor: Yanfeng Liang
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Patent number: 9046722Abstract: A method of fabricating an In-Plane Switching (IPS) screen electrode is disclosed. In the method, a first ITO layer is etched, and the etched first ITO layer is annealed. Subsequently, a second ITO layer is etched, and the etched first ITO layer and the etched second ITO layer are concurrently annealed. With this method, the etched first ITO layer is annealed after the first ITO layer is etched, subsequent etching of the second ITO layer will have no influence upon the annealed first ITO layer, thus making it possible to ensure the line widths of the two ITO layers and a spacing between the respective ITO layers to thereby effectively avoid the problem of a short circuit due to a too small spacing between the respective ITO layers.Type: GrantFiled: October 31, 2013Date of Patent: June 2, 2015Assignee: Shanghai AVIC Optoelectronics Co., Ltd.Inventor: Yanfeng Liang
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Publication number: 20150036089Abstract: An array substrate comprises a substrate, a passivation layer on a surface of the substrate, a first organic film on a surface of the passivation layer and provided with a groove, a common electrode disposed on a surface of the first organic film outside the groove, and a pixel electrode disposed in the groove. A vertical projection of the common electrode on the surface of the passivation layer does not overlap with a vertical projection of the pixel electrode on the surface of the passivation layer.Type: ApplicationFiled: April 4, 2014Publication date: February 5, 2015Applicants: Tianma Micro-Electronics Co., Ltd., Shanghai AVIC Optoelectronics Co., Ltd.Inventor: Yanfeng LIANG
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Publication number: 20140076843Abstract: A method of fabricating an In-Plane Switching (IPS) screen electrode is disclosed. In the method, a first ITO layer is etched, and the etched first ITO layer is annealed. Subsequently, a second ITO layer is etched, and the etched first ITO layer and the etched second ITO layer are concurrently annealed. With this method, the etched first ITO layer is annealed after the first ITO layer is etched, subsequent etching of the second ITO layer will have no influence upon the annealed first ITO layer, thus making it possible to ensure the line widths of the two ITO layers and a spacing between the respective ITO layers to thereby effectively avoid the problem of a short circuit due to a too small spacing between the respective ITO layers.Type: ApplicationFiled: October 31, 2013Publication date: March 20, 2014Applicant: Shanghai AVIC Optoelectronics Co., Ltd.Inventor: Yanfeng LIANG