Patents by Inventor Mo Chen

Mo Chen 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).

  • Patent number: 10581504
    Abstract: Embodiments of the present invention disclose a beamforming method, a receiver, a transmitter, and a system. The beamforming method includes: controlling, according to a preset rule, connection or disconnection of N analog channels corresponding to N antenna array elements, to obtain an independently received equivalent signal at each of the N antenna array elements, where N is a natural number greater than or equal to 2; obtaining, based on the independently received equivalent signal at each of the N antenna array elements, a beamforming weight; and sending the beamforming weight to a transmitter. According to the embodiments of the present invention, costs can be reduced, and relatively good interference suppression performance can be obtained.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: March 3, 2020
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Zhiwei Zhang, Shanchun Xia, Mo Chen
  • Patent number: 10571798
    Abstract: A photolithography mask plate, the photolithography mask plate including: a substrate; a carbon nanotube layer located on the substrate; a patterned chrome layer located on the carbon nanotube layer, wherein the patterned chrome layer and the carbon nanotube layer have the same pattern; a cover layer located on the patterned chrome layer.
    Type: Grant
    Filed: August 23, 2017
    Date of Patent: February 25, 2020
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Mo Chen, Qun-Qing Li, Li-Hui Zhang, Yuan-Hao Jin, Dong An, Shou-Shan Fan
  • Patent number: 10564539
    Abstract: A photolithography mask plate, the photolithography mask plate including: a substrate; a carbon nanotube layer on the substrate; a patterned chrome layer on the carbon nanotube layer, wherein the patterned chrome layer and the carbon nanotube layer have the same pattern; a cover layer on the patterned chrome layer.
    Type: Grant
    Filed: August 23, 2017
    Date of Patent: February 18, 2020
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Mo Chen, Qun-Qing Li, Li-Hui Zhang, Yuan-Hao Jin, Dong An, Shou-Shan Fan
  • Patent number: 10553444
    Abstract: A method of making nanoscale belts including: providing a semiconductor thin film, placing stripe masks on the semiconductor thin film, the thickness of the stripe masks is H, the spacing distance between adjacent stripe masks is L; depositing a first thin film layer along a first direction, the thickness of the first thin film layer is D, a first angle between first direction and a direction along thickness of the stripe masks is ?1, ?1<tan?1(L/H); depositing a second thin film layer along a second direction, a second angle between second direction and the direction along thickness of the stripe masks is ?2, ?2<tan?1[L/(H+D)], 0<L?H tan ?1?(H+D)tan ?2<10 nm, the first thin film layer partly overlaps with the second thin film layer to form an overlapping structure; dry etching the first thin film layer and the second thin film layer to obtain a nanoscale microstructure; etching the semiconductor thin film.
    Type: Grant
    Filed: June 14, 2018
    Date of Patent: February 4, 2020
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Mo Chen, Li-Hui Zhang, Qun-Qing Li, Shou-Shan Fan
  • Patent number: 10541039
    Abstract: A shift register circuit includes a set circuit, a first reset circuit, a first control circuit, and an output circuit. The output circuit is configured to change an active potential at the first node further away from an inactive potential in response to a first clock signal transferred to a signal output terminal being active, and the first control circuit is further configured to, responsive to the first clock signal transferred to the signal output terminal being active, restrict a change in the active potential at the first node based on a second reference voltage from a second reference voltage, the second reference voltage having a magnitude between an active input pulse and the inactive potential.
    Type: Grant
    Filed: September 26, 2017
    Date of Patent: January 21, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yang Zhang, Jinliang Liu, Mo Chen, Jian Zhao, Jilei Gao, Songmei Sun
  • Patent number: 10510296
    Abstract: Disclosed is a pixel driving circuit, comprising a driving control circuit, a first driving circuit and a second driving circuit. The driving control circuit is configured to control one of the first driving circuit and the second driving circuit to be turned on under the condition the first scanning line outputs an effective voltage signal, and control the other of the first driving circuit and the second driving circuit to be turned on under the condition the second scanning line outputs an effective voltage signal. The first driving circuit is configured to drive the light emitting circuit to emit light under control of the driving control circuit. The second driving circuit is configured to drive the light emitting circuit to emit light under control of the driving control circuit.
    Type: Grant
    Filed: June 28, 2017
    Date of Patent: December 17, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Mo Chen, Xiong Xiong, Jilei Gao, Songmei Sun
  • Patent number: 10483837
    Abstract: The present embodiments are directed to an improved switched capacitor (SC) converter topology that does not include an inductor. In particular, the topology includes a ladder SC circuit configured as a cap divider, with a gate driving signal being generated to initiate the charging and discharging of the capacitor. In this specific topology, an unregulated output voltage is produced that is a certain fraction of an input voltage of a power source such as a battery. The present embodiments further include a variable frequency modulation (VFM) scheme based on the current-sensing techniques for the gate driving signal generation of the switched capacitor converter.
    Type: Grant
    Filed: May 14, 2018
    Date of Patent: November 19, 2019
    Assignee: Renesas Electronics America Inc.
    Inventor: Yen-Mo Chen
  • Publication number: 20190348901
    Abstract: The present embodiments are directed to an improved switched capacitor (SC) converter topology that does not include an inductor. In particular, the topology includes a ladder SC circuit configured as a cap divider, with a gate driving signal being generated to initiate the charging and discharging of the capacitor. In this specific topology, an unregulated output voltage is produced that is a certain fraction of an input voltage of a power source such as a battery. The present embodiments further include a variable frequency modulation (VFM) scheme based on the current-sensing techniques for the gate driving signal generation of the switched capacitor converter.
    Type: Application
    Filed: May 14, 2018
    Publication date: November 14, 2019
    Applicant: Renesas Electronics America Inc.
    Inventor: Yen-Mo CHEN
  • Publication number: 20190305675
    Abstract: The present embodiments relate generally to switched-capacitor (SC) based DC-DC converters, and more particularly to modulation schemes of cap dividers that include ceramic capacitors such as MLCCs. According to certain general aspects, the present embodiments increase the switching frequency at light loads using variable frequency modulation schemes to reduce the voltage difference across the MLCCs. In these and other embodiments, the acoustic noise generated from the MLCCs can be reduced while maintaining excellent light load efficiency. According to certain aspects, this can be achieved with minimal impact on system performance, cost and size.
    Type: Application
    Filed: April 11, 2019
    Publication date: October 3, 2019
    Inventors: Yen-Mo CHEN, Bin LI, Mehul SHAH, Sungkeun LIM
  • Patent number: 10431143
    Abstract: A shift register includes a first input circuit, a second input circuit, and a pull-up transistor. The first input circuit is coupled to a first input terminal and a first pull-up node, and configured to electrically connect the first input terminal to the first pull-up node when the first input terminal receives an active signal. The second input circuit is coupled to a second input terminal and a second pull-up node, and configured to electrically connect the second input terminal to the second pull-up node when the second input terminal receives an active signal. The pull-up transistor includes a first gate electrode coupled to the first pull-up node and a second gate electrode coupled to the second pull-up node.
    Type: Grant
    Filed: October 10, 2017
    Date of Patent: October 1, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONCIS TECHNOLOGY CO., LTD.
    Inventors: Miao Zhang, Mo Chen, Jing Sun, Wuxia Fu
  • Patent number: 10424480
    Abstract: A method of making a thin film transistor, the method including: providing an insulating layer on a semiconductor substrate, forming a semiconductor layer on the insulating layer; locating a first photoresist layer, a nanowire structure, a second photoresist layer on the semiconductor layer, wherein the nanowire structure comprises a nanowire; forming an opening in the first photoresist layer and the second photoresist layer to form an exposed surface, wherein a part of the nanowire is exposed in the opening; depositing a conductive film layer on the exposed surface of the semiconductor layer, wherein the conductive film layer defines a nano-scaled channel corresponding to the nanowire, and the conductive film layer is divided into two regions by the nano-scaled channel, one region is used as a source electrode, and the other region is used as a drain electrode; forming a gate electrode on the semiconductor substrate.
    Type: Grant
    Filed: December 22, 2017
    Date of Patent: September 24, 2019
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Mo Chen, Qun-Qing Li, Li-Hui Zhang, Xiao-Yang Xiao, Jin Zhang, Shou-Shan Fan
  • Patent number: 10424479
    Abstract: A method of making nano-scaled channel, the method including: locating a first photoresist layer, a nanowire structure, and a second photoresist layer on a surface of a substrate, and the nanowire structure being sandwiched between the first photoresist layer and the second photoresist layer, wherein the nanowire structure comprises an nanowire; forming an opening in the first photoresist layer and the second photoresist layer to expose a portion of the surface of the substrate to form an exposed surface, wherein a part of the nanowire is exposed and suspended in the opening, and both ends of the nanowire are sandwiched between the first photoresist layer and the second photoresist layer; and depositing a thin film layer on the exposed surface of the substrate using the a nanowire as a mask, wherein the thin film layer defines a nano-scaled channel corresponding to the at least one nanowire.
    Type: Grant
    Filed: December 22, 2017
    Date of Patent: September 24, 2019
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Mo Chen, Qun-Qing Li, Li-Hui Zhang, Xiao-Yang Xiao, Jin Zhang, Shou-Shan Fan
  • Patent number: 10418253
    Abstract: A method of making nanostructures including: locating a photoresist mask layer on a substrate, the thickness of the photoresist mask layer is H; forming a patterned mask layer includes a plurality of stripe masks, a spacing distance between adjacent stripe masks equals L; depositing a first thin film layer along a first direction, the thickness of the first thin film layer is D, a first angle between the first direction and a direction along the thickness of stripe masks is ?1, ?1<tan?1(L/H); depositing a second thin film layer along a second direction, a second angle between the second direction and the direction along the thickness of stripe masks is ?2, ?2<tan?1[L/(H+D)], 0<L?H tan ?1?(H+D)tan?2<10 nm, the first thin film layer partly overlaps with the second thin film layer to form an overlapping structure; etching the first thin film layer and the second thin film layer to obtain a nanoscale microstructure.
    Type: Grant
    Filed: June 14, 2018
    Date of Patent: September 17, 2019
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Mo Chen, Li-Hui Zhang, Qun-Qing Li, Shou-Shan Fan
  • Patent number: 10403218
    Abstract: A Mura compensation circuit and method, a driving circuit and a display device are provided. The Mura compensation circuit comprises: a vertical Mura compensation unit, for providing a corresponding gamma voltage to a vertical block Mura region and a vertical non-Mura region of a display panel respectively, to compensate for a vertical Mura phenomenon; and/or a horizontal Mura compensation unit, for providing a corresponding gate drive signal and/or a corresponding charging/discharging control signal to a horizontal block Mura region and a horizontal non-Mura region of a display panel respectively, to compensate for a horizontal Mura phenomenon. The Mura compensation circuit can make the different regions of the display panel have the same display effect, and improve reduction of display quality caused by impedance difference at different positions of the display panel, thereby raising the quality of a picture, and can be promoted and applied widely.
    Type: Grant
    Filed: May 12, 2016
    Date of Patent: September 3, 2019
    Assignees: BOE Technology Group Co., Ltd., Hefei Xinsheng Optoelectronics Technology Co., Ltd.
    Inventors: Jian Zhao, Mo Chen, Yudong Liu, Xiong Xiong
  • Publication number: 20190245068
    Abstract: A method of making a thin film transistor, the method includes: providing a semiconductor layer; arranging a first photoresist layer, a nanowire structure, a second photoresist layer on the semiconductor layer, wherein the nanowire structure includes a single nanowire; forming one opening in the first photoresist layer and the second photoresist layer to form an exposed surface, wherein a part of the nanowire is exposed and suspended in the opening; depositing a conductive film layer on the exposed surface using the nanowire structure as a mask, wherein the conductive film layer defines a nano-scaled channel, and the conductive film layer is divided into two regions, one region is used as a source electrode, and the other region is used as a drain electrode; forming an insulating layer on the semiconductor layer to cover the source electrode and the drain electrode, and locating a gate electrode on the insulating layer.
    Type: Application
    Filed: April 18, 2019
    Publication date: August 8, 2019
    Inventors: MO CHEN, QUN-QING LI, LI-HUI ZHANG, XIAO-YANG XIAO, JIN ZHANG, SHOU-SHAN FAN
  • Patent number: 10372031
    Abstract: A method of making microstructures, the method including: providing a first substrate, setting a photoresist layer on a surface of the first substrate; covering a surface of the photoresist layer with a photolithography mask plate, wherein the photolithography mask plate comprises a second substrate and a carbon nanotube composite layer located on a surface of the second substrate; exposing the photoresist layer to form an exposed photoresist layer by irradiating the photoresist layer through the photolithography mask plate with ultraviolet light; developing the exposed photoresist layer to obtain a patterned photoresist microstructures.
    Type: Grant
    Filed: August 18, 2017
    Date of Patent: August 6, 2019
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Mo Chen, Qun-Qing Li, Li-Hui Zhang, Yuan-Hao Jin, Dong An, Shou-Shan Fan
  • Patent number: 10339865
    Abstract: The present disclosure provides a pixel driver circuit, a pixel circuit, a display panel and a display device. The pixel driver circuit includes two pixel driving units having an identical structure. Each pixel driving unit includes a driving transistor and a driving control module. A gate electrode of the driving transistor is connected to the driving control module, a first electrode thereof receives a first power voltage, and a second electrode thereof is connected to the driving control module and a light-emitting element. The driving control module is connected to a data line, a gate line, and the gate electrode and the second electrode of the driving transistor, and controls a potential at the gate electrode of the driving transistor in accordance with a data voltage applied to the data line under control of a gate driving signal from the gate line, so as to turn on/off the driving transistor.
    Type: Grant
    Filed: March 1, 2016
    Date of Patent: July 2, 2019
    Assignees: BOE TECHNOLOGY GROUP CO. LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Mo Chen, Jian Zhao, Miao Zhang, Jing Sun, Songmei Sun
  • Patent number: 10312354
    Abstract: A method of making a thin film transistor, the method including: forming a gate insulating layer on a gate electrode; placing a semiconductor layer on the gate insulating layer; locating a first photoresist layer, a nanowire structure, a second photoresist layer on the semiconductor layer, the nanowire structure being sandwiched between the first photoresist layer and the second photoresist layer, wherein the nanowire structure comprises one nanowire; forming one opening in the first photoresist layer and the second photoresist layer to form an exposed surface, wherein a part of the nanowire is exposed in the opening; depositing a conductive film layer on the exposed surface of the semiconductor layer, wherein the conductive film layer defines a nano-scaled channel corresponding to the nanowire, the conductive film layer is divided into two regions, one region is used as a source electrode, the other region is used as a drain electrode.
    Type: Grant
    Filed: December 22, 2017
    Date of Patent: June 4, 2019
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Mo Chen, Qun-Qing Li, Li-Hui Zhang, Xiao-Yang Xiao, Jin Zhang, Shou-Shan Fan
  • Patent number: 10241145
    Abstract: The present disclosure provides a gate driving circuit, a method for detecting the gate driving circuit, an array substrate and a display apparatus. The gate driving circuit comprises a plurality of cascaded gate driving units, access units, a first signal line and a second signal line. Each access unit is connected to its corresponding gate driving unit and the gate driving unit at the next stage to its corresponding gate driving unit. The access unit corresponding to the gate driving unit at each odd stage is connected to the first signal line such that the first signal line detects an output signal from that gate driving unit via the access unit, and the access unit corresponding to the gate driving unit at each even stage is connected to the second signal line such that the second signal line detects an output signal from that gate driving unit via the access unit.
    Type: Grant
    Filed: July 1, 2016
    Date of Patent: March 26, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Miao Zhang, Jinliang Liu, Mo Chen, Jing Sun, Songmei Sun
  • Publication number: 20190088190
    Abstract: A shift register includes a first input circuit, a second input circuit, and a pull-up transistor. The first input circuit is coupled to a first input terminal and a first pull-up node, and configured to electrically connect the first input terminal to the first pull-up node when the first input terminal receives an active signal. The second input circuit is coupled to a second input terminal and a second pull-up node, and configured to electrically connect the second input terminal to the second pull-up node when the second input terminal receives an active signal. The pull-up transistor includes a first gate electrode coupled to the first pull-up node and a second gate electrode coupled to the second pull-up node.
    Type: Application
    Filed: October 10, 2017
    Publication date: March 21, 2019
    Applicants: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD .
    Inventors: Miao Zhang, Mo Chen, Jing Sun, Wuxia Fu