Patents by Inventor Chao Zheng
Chao Zheng 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: 10149079Abstract: A method of fabricating a micro electrical-mechanical system (MEMS) microphone on a substrate includes forming a sacrificial layer on a front surface of the substrate, forming a membrane within the sacrificial layer, forming a fixed plate on the sacrificial layer at a location corresponding to a location of the membrane, performing a laser cutting on the back surface of the substrate at a location corresponding to an edge region of the fixed plate until a surface of the sacrificial layer is expose to form an opening, forming a patterned photoresist layer on the back surface exposing a region within the boundary of the opening, removing a portion of the back surface using the patterned photoresist layer as a mask to form a cavity, and removing a portion of the sacrificial layer above and below the membrane to form an air gap between the membrane and the fixed plate.Type: GrantFiled: September 9, 2015Date of Patent: December 4, 2018Assignee: SEMICONDUCTOR MANUFACTURING INTERNATIONAL (SHANGHAI) CORPORATIONInventors: Chao Zheng, Weigang Li
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Patent number: 10146374Abstract: Provided are an array substrate, a display panel and a driving device. In the array substrate, a pressure sensor is disposed between adjacent two of the shift registers at either of the two sides of the display region; the scanning lines include a first set of scanning lines and a second set of scanning lines; the extending lines of the first set of scanning lines pass the pressure sensors in the first region, and the first set of scanning lines are electrically connected to the corresponding shift registers in the second region.Type: GrantFiled: February 5, 2018Date of Patent: December 4, 2018Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Jun Tu, Kangpeng Yang, Weipeng Wang, Yumin Xu, Chao Zheng
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Patent number: 10112823Abstract: A method for forming a MEMS device is provided. The method includes providing a first wafer and a second wafer. The first wafer has a trench on a top surface of the first wafer and a fixed electrode on the bottom of the trench, and the second wafer has a polishing stop layer, a sacrificial layer, and a movable electrode. The method also includes bonding the first wafer and the second wafer with the top surface of the first wafer facing the top surface of the second wafer and the movable electrode on the second wafer located above the trench on the first wafer; removing the second wafer by polishing the second wafer from a backside of the second wafer until reaching the polishing stop layer; and releasing the movable electrode by removing a portion of the polishing stop layer and the sacrificial layer to form the MEMS device.Type: GrantFiled: November 5, 2015Date of Patent: October 30, 2018Assignee: SEMICONDUCTOR MANUFACTURING INTERNATIONAL (SHANGHAI) CORPORATIONInventors: Chao Zheng, Wei Wang
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Publication number: 20180201500Abstract: A semiconductor device includes a bottom substrate, a sacrificial layer on the bottom substrate and including a first opening exposing a first portion of the bottom substrate and a second opening exposing a second portion of the bottom substrate, a top substrate on the sacrificial layer and on the second opening forming a cavity, a first metal layer on the top substrate and/or on the exposed first portion of the bottom substrate, an adhesive layer on the first metal layer, and a second metal layer on the adhesive layer defining one or more pads. The pad includes a stack-layered structure of a first metal layer on the bottom substrate, an adhesive layer on the first metal layer, and a second metal layer on the adhesive layer. The thus formed structure reduces the pad contact resistance.Type: ApplicationFiled: November 27, 2017Publication date: July 19, 2018Inventors: CHAO ZHENG, WEI WANG
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Publication number: 20180157373Abstract: Provided are an array substrate, a display panel and a driving device. In the array substrate, a pressure sensor is disposed between adjacent two of the shift registers at either of the two sides of the display region; the scanning lines include a first set of scanning lines and a second set of scanning lines; the extending lines of the first set of scanning lines pass the pressure sensors in the first region, and the first set of scanning lines are electrically connected to the corresponding shift registers in the second region.Type: ApplicationFiled: February 5, 2018Publication date: June 7, 2018Applicant: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Jun TU, Kangpeng YANG, Weipeng WANG, Yumin XU, Chao ZHENG
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Publication number: 20180129333Abstract: The present disclosure provides a display panel and display device relating to the field of display technologies, which can decrease power consumption of the display panel. The display panel includes: one or more first force sensors and one or more second force sensors; a control device, an output end of each first force sensors and an output end of each second force sensors are connected with the control device; an input end of each first force sensors is connected with the control device; and the control device is configured to acquire an output signal of the one or more second force sensors, when the output signal of the one or more second force sensors reaches a first preset condition, a bias voltage is output to the input end of each first force sensors. The present technical solution is mainly applied to the display device with force-sensitive touch function.Type: ApplicationFiled: January 10, 2018Publication date: May 10, 2018Applicant: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Chao ZHENG, Kangpeng YANG, Yumin XU
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Publication number: 20180107635Abstract: A system from updating a document to include revisions made by multiple parties that includes an indexing module for building relationships between atom repositories and source files, and a mapping module builds a relationship between multiple atom repositories produced by indexing module that are associated with a same source file family. The system also includes an atom controlling module for controlling atom adding and atom splitting in the multiple atom repository in response to update, insert and delete operations of information units in the source file. The system can also include a synchronizing engine for synchronizing updates from one version of the source file to all versions of the source file in accordance with the atom controlling module that have been made by all users when be viewed by a single user.Type: ApplicationFiled: October 17, 2016Publication date: April 19, 2018Inventors: Ye Qing Chen, Zhen Hong Ding, Chang Lei, Wen Juan Nie, Yi-Hsiu Wei, Ting Wu, Zhao Yang, Chao Zheng
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Patent number: 9940007Abstract: A method to display a representation of multimedia content that includes a progress bar. The method includes shortening a portion of the multimedia content having a start time and an end time from an original length to a shortened length based on a received indication and modifying the progress bar to represent the shortened portion of the multimedia content. The original length of the portion is represented by a curve adjacent to the progress bar, where a first end of the curve is adjacent to the progress bar at a location indicating the start time, and where a second end of the curve is adjacent to the progress bar at a location indicating the end time, and the shortened length of the portion is represented by a distance on the progress bar between the location indicating the start time and the location indicating the end time.Type: GrantFiled: February 24, 2016Date of Patent: April 10, 2018Assignee: International Business Machines CorporationInventors: Chang Lei, Hu Wang, Cheng Zhang, Jian Zhang, Chao Zheng
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Patent number: 9927892Abstract: In an approach for managing a user interface a computer identifies a first user that is utilizing the user interface. The computer determines the identified first user is utilizing an aiming tool. The computer receives an input, the input including at least: an orientation of the aiming tool, wherein the orientation includes at least one of: a direction and a force to be applied upon release of the aiming tool. The computer calculates a trajectory from the aiming tool to a first location on the user interface based on the received input.Type: GrantFiled: March 27, 2015Date of Patent: March 27, 2018Assignee: International Business Machines CorporationInventors: Qi Chen, Fang Liang Dong, Chang Lei, Xiao Xia Mao, Wen Wen Yang, Chao Zheng, Jie Zhu
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Patent number: 9876845Abstract: Embodiments of this disclosure belong to the data processing field and disclose a method and apparatus for data transmission. The method comprises sending a first request to a server in response to a first file locally cached having expired. The first request is for obtaining a first file in a new version, and the first request containing a first version identifier. The first version identifier being for indicating a version of the first file locally cached. Receiving a first response includes difference information and a second version identifier. The difference information makes it possible to obtain the first file in the new version based on the first file locally cached, and the second version identifier is for indicating the new version. The first file in the new version is obtained based on the difference information and the first file locally cached. Using the technical solution provided by the present embodiment(s), pressures on network transmission are reduced.Type: GrantFiled: February 23, 2015Date of Patent: January 23, 2018Assignee: International Business Machines CorporationInventors: Qi Chen, Chao Zheng, Xiang Zhou, Xiao W. Zhu
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Patent number: 9876846Abstract: Embodiments of this disclosure belong to the data processing field and disclose a method and apparatus for data transmission. The method comprises sending a first request to a server in response to a first file locally cached having expired. The first request is for obtaining a first file in a new version, and the first request containing a first version identifier. The first version identifier being for indicating a version of the first file locally cached. Receiving a first response includes difference information and a second version identifier. The difference information makes it possible to obtain the first file in the new version based on the first file locally cached, and the second version identifier is for indicating the new version. The first file in the new version is obtained based on the difference information and the first file locally cached. Using the technical solution provided by the present embodiment(s), pressures on network transmission are reduced.Type: GrantFiled: June 9, 2015Date of Patent: January 23, 2018Assignee: International Business Machines CorporationInventors: Qi Chen, Chao Zheng, Xiang Zhou, Xiao W. Zhu
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Publication number: 20170330503Abstract: Provided is a display panel, including a plurality of gate lines extending in a row direction and arranged in a column direction; a plurality of data lines extending in a column direction and arranged in a row direction; a plurality of pixel units arranged in an array of M rows by N columns defined by the plurality of gate lines and the plurality of data lines intersecting each other; a first gate driver connected to pixel units from a first row to a mth row; and a second gate driver connected to pixel units from a (m+1)th row to a Mth row, where pixel units from the first row to the mth row of the nth column are connected to an integrated circuit through one of the plurality of data lines and pixel units from the (m+1)th row to the Mth row of the nth column are connected to the integrated circuit through another one of the plurality of data lines, where M, N, m and n are positive integers satisfying the following conditions: 1<m<M and 1<n<N. Split-screen display is made possible.Type: ApplicationFiled: July 31, 2017Publication date: November 16, 2017Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.Inventors: Kangpeng YANG, Yumin XU, Chao ZHENG, Shaofan LIU, Xiaomeng Chen
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Publication number: 20170271832Abstract: The invention relates to a commutator, comprising an insulating base and a plurality of commutator segments arranged on the insulating base, wherein each commutator segment comprises a metal layer, a transition layer and a graphite layer arranged on the base in sequence. The transition layer contains a material identical to that of the graphite layer and a material identical to that of the metal layer. The invention further relates to a motor comprising the commutator and a method for manufacturing the commutator. As the transition layer contains the material identical to that of the graphite layer and the metal layer, the problem that the graphite layer and the metal layer are cracked during high temperature sintering is resolved. The service life of the commutator is prolonged. The method for manufacturing the commutator reduces chemical contamination and production cost caused by electroplating and brazing used in a traditional technology.Type: ApplicationFiled: March 16, 2017Publication date: September 21, 2017Inventors: Jing Chao ZHENG, Chi Man LAW, Xiu Xian WANG
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Publication number: 20170242571Abstract: A method to display a representation of multimedia content that includes a progress bar. The method includes shortening a portion of the multimedia content having a start time and an end time from an original length to a shortened length based on a received indication and modifying the progress bar to represent the shortened portion of the multimedia content. The original length of the portion is represented by a curve adjacent to the progress bar, where a first end of the curve is adjacent to the progress bar at a location indicating the start time, and where a second end of the curve is adjacent to the progress bar at a location indicating the end time, and the shortened length of the portion is represented by a distance on the progress bar between the location indicating the start time and the location indicating the end time.Type: ApplicationFiled: February 24, 2016Publication date: August 24, 2017Inventors: Chang Lei, Hu Wang, Cheng Zhang, Jian Zhang, Chao Zheng
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Publication number: 20170197826Abstract: An electromechanical device may include a first substrate, a second substrate, a connector, and a protector. The connector may be formed of a first dielectric material and may be positioned between the first substrate and the second substrate. A first side of the connector may directly contact the first substrate. The protector may be formed of a second dielectric material and may directly contact a second side of the connector.Type: ApplicationFiled: November 16, 2016Publication date: July 13, 2017Inventors: Wei WANG, Chao ZHENG
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Publication number: 20170192547Abstract: The present disclosure provides an array substrate, a display panel and a method for detecting and restoring a display panel. The detection and restoring unit is configured to provide signals to the touch sensing units to perform detection and restoring. In the display region, each of the touch sensing units is provided with one first line and one second line, and the first line is connected with the touch sensing unit through a via hole. The first terminal of the first switch element is connected with a first terminal of the first line. The second terminal of the first switch element is connected with a first terminal of the second line. Each of the first terminal of the first line, the first terminal of the second line and the control terminal of the first switch element is connected with the detection and restoring unit.Type: ApplicationFiled: May 24, 2016Publication date: July 6, 2017Inventors: Chao Zheng, Min Huang, Zhonghuai Chen, Kangpeng Yang, Yumin Xu
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Patent number: 9640451Abstract: A wafer processing method is provided. The method includes providing a to-be-processed wafer having a first surface with a plurality of the device regions and dicing groove regions between adjacent device regions and a second surface; and providing a capping wafer having a first surface and a second surface. The method also includes bonding the first surface of the capping wafer with the first surface of the to-be-processed wafer. Further, the method includes performing an edge trimming process onto the to-be-processed wafer to cause a radius of the to-be-processed wafer to be smaller than a radius of the capping wafer; and grinding the second surface of the capping wafer. Further, the method also includes cleaning the second surface of the capping wafer; and etching a portion of the grinded and cleaned capping wafer to expose the dicing groove regions on the first surface of the to-be-processed wafer.Type: GrantFiled: January 15, 2015Date of Patent: May 2, 2017Assignee: SEMICONDUCTOR MANUFACTURING INTERNATIONAL (SHANGHAI) CORPORATIONInventors: Chao Zheng, Wei Wang, Junde Ma
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Patent number: 9620427Abstract: A semiconductor device may include an enclosure structure. The semiconductor device may further include a getter for absorb gas molecules. The getter may be positioned (and enclosed) inside the enclosure structure and may overlap a first portion of a surface of the enclosure structure. The semiconductor device may further include an inductor. The inductor may be positioned (and enclosed) inside the enclosure structure and may overlap a second portion of the surface of the enclosure structure without overlapping the getter in a direction perpendicular to the first surface of the enclosure structure.Type: GrantFiled: April 14, 2016Date of Patent: April 11, 2017Assignee: SEMICONDUCTOR MANUFACTURING INTERNATIONAL (SHANGHAI) CORPORATIONInventors: Chao Zheng, Junde Ma, Liangliang Guo, Wei Wang
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Publication number: 20170092340Abstract: Disclosed are a method and device for adjusting the hardware refresh rate of a terminal, wherein the method includes: predicting the frame rate of the currently operating software of a terminal in a future preset time period; and adjusting the hardware refresh frequency of the terminal according to the predicted frame rate. The adjustment method automatically adjusts the hardware refresh rate, thus reducing the power consumption of a terminal.Type: ApplicationFiled: May 14, 2015Publication date: March 30, 2017Applicant: ZTE CORPORATIONInventor: Chao ZHENG
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Publication number: 20170090664Abstract: The present application discloses an integrated touch control display panel and an integrated touch control display device comprising the same. A specific embodiment of the integrated touch control display panel comprises a plurality of touch control sensing electrodes extending along a first direction and disposed along a second direction. The touch control sensing electrode has a grid structure, and comprises a plurality of electrically connected metal electrodes. The metal electrode comprises a plurality of electrically connected sub-metal electrodes, and the sub-metal electrode has a width of a, wherein a is less than or equal to 3 micrometer (3 ?m) and is greater than or equal to 2.5 micrometer (2.5 ?m). In this embodiment, the blocking effect of the grid touch control sensing electrodes on the light in a display region is attenuated, and thereby display effect is improved.Type: ApplicationFiled: December 12, 2016Publication date: March 30, 2017Inventors: Chao Zheng, Mingchao Hou, Zhiwei Zheng, Kangpeng Yang, Yumin Xu