Patents by Inventor Yifen Liu

Yifen 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: 20220149068
    Abstract: An electronic device comprises a stack of alternating dielectric materials and conductive materials, a pillar region extending vertically through the stack, an oxide material within the pillar region and laterally adjacent to the dielectric materials and the conductive materials of the stack, and a storage node laterally adjacent to the oxide material and within the pillar region. A charge confinement region of the storage node is in horizontal alignment with the conductive materials of the stack. A height of the charge confinement region in a vertical direction is less than a height of a respective, laterally adjacent conductive material of the stack in the vertical direction. Related methods and systems are also disclosed.
    Type: Application
    Filed: November 9, 2020
    Publication date: May 12, 2022
    Inventors: Yifen Liu, Yan Song, Albert Fayrushin, Naiming Liu, Yingda Dong, George Matamis
  • Publication number: 20220139958
    Abstract: A microelectronic device comprises a first set of tiers, each tier of the first set of tiers comprising alternating levels of a conductive material and an insulative material and having a first tier pitch, a second set of tiers adjacent to the first set of tiers, each tier of the second set of tiers comprising alternating levels of the conductive material and the insulative material and having a second tier pitch less than the first tier pitch, a third set of tiers adjacent to the second set of tiers, each tier of the third set of tiers comprising alternating levels of the conductive material and the insulative material and having a third tier pitch less than the second tier pitch, and a string of memory cells extending through the first set of tiers, the second set of tiers, and the third set of tiers. Related microelectronic devices, electronic systems, and methods are also described.
    Type: Application
    Filed: January 20, 2022
    Publication date: May 5, 2022
    Inventors: Yifen Liu, Tecla Ghilardi, George Matamis, Justin D. Shepherdson, Nancy M. Lomeli, Chet E. Carter, Erik R. Byers
  • Patent number: 11264404
    Abstract: A microelectronic device comprises a first set of tiers, each tier of the first set of tiers comprising alternating levels of a conductive material and an insulative material and having a first tier pitch, a second set of tiers adjacent to the first set of tiers, each tier of the second set of tiers comprising alternating levels of the conductive material and the insulative material and having a second tier pitch less than the first tier pitch, a third set of tiers adjacent to the second set of tiers, each tier of the third set of tiers comprising alternating levels of the conductive material and the insulative material and having a third tier pitch less than the second tier pitch, and a string of memory cells extending through the first set of tiers, the second set of tiers, and the third set of tiers. Related microelectronic devices, electronic systems, and methods are also described.
    Type: Grant
    Filed: June 17, 2020
    Date of Patent: March 1, 2022
    Assignee: Micron Technology, Inc.
    Inventors: Yifen Liu, Tecla Ghilardi, George Matamis, Justin D. Shepherdson, Nancy M. Lomeli, Chet E. Carter, Erik R. Byers
  • Publication number: 20210399006
    Abstract: A microelectronic device comprises a first set of tiers, each tier of the first set of tiers comprising alternating levels of a conductive material and an insulative material and having a first tier pitch, a second set of tiers adjacent to the first set of tiers, each tier of the second set of tiers comprising alternating levels of the conductive material and the insulative material and having a second tier pitch less than the first tier pitch, a third set of tiers adjacent to the second set of tiers, each tier of the third set of tiers comprising alternating levels of the conductive material and the insulative material and having a third tier pitch less than the second tier pitch, and a string of memory cells extending through the first set of tiers, the second set of tiers, and the third set of tiers. Related microelectronic devices, electronic systems, and methods are also described.
    Type: Application
    Filed: June 17, 2020
    Publication date: December 23, 2021
    Inventors: Yifen Liu, Tecla Ghilardi, George Matamis, Justin D. Shepherdson, Nancy M. Lomeli, Chet E. Carter, Erik R. Byers
  • Publication number: 20210200461
    Abstract: An example memory sub-system comprises: a memory device; and a processing device, operatively coupled with the memory device. The processing device is configured to: receive a first host data item; store the first host data item in a first page of a first logical unit of a memory device, wherein the first page is associated with a fault tolerant stripe; receive a second host data item; store the second host data item in a second page of the first logical unit of the memory device, wherein the second page is associated with the fault tolerant stripe, and wherein the second page is separated from the first page by one or more wordlines including a dummy wordline storing no host data; and store, in a third page of a second logical unit of the memory device, redundancy metadata associated with the fault tolerant stripe.
    Type: Application
    Filed: October 23, 2020
    Publication date: July 1, 2021
    Inventors: Kishore Kumar Muchherla, Mark A. Helm, Giuseppina Puzzilli, Peter Feeley, Yifen Liu, Violante Moschiano, Akira Goda, Sampath K. Ratnam
  • Publication number: 20210141296
    Abstract: A gimbal assembly includes a body and a gimbal frame movably connected with the body. The gimbal frame is configured to completely fit with the body or partially fit with the body through a sliding mechanism to reduce a volume of the gimbal assembly. The sliding mechanism includes a first sliding member disposed at the body and a second sliding member disposed at the gimbal frame to match with the first sliding member, such that the gimbal frame slides from an extended position to a receiving position with respect to the body.
    Type: Application
    Filed: January 20, 2021
    Publication date: May 13, 2021
    Inventors: Yifen LIU, Qiu LAN, Dengfeng HU
  • Publication number: 20210116792
    Abstract: A gimbal photographing device includes a machine body, a foldable mechanism connected with the machine body, and a gimbal camera connected with the foldable mechanism. The gimbal camera is configured to cling to the machine body through the foldable mechanism and to be positioned in an extended state or a folded state. The machine body includes a support wall configured to support the gimbal camera. The foldable mechanism includes a rotation member rotatably connected with the support wall around a rotation axis direction to cause the gimbal camera to rotate relative to the machine body. The rotation member is configured to cause the gimbal camera to rotate to the folded state in which the gimbal camera clings to the support wall.
    Type: Application
    Filed: December 24, 2020
    Publication date: April 22, 2021
    Inventors: Yifen LIU, Dengfeng HU, Qiu LAN, Tianfei ZHAO
  • Publication number: 20210055636
    Abstract: A gimbal photographing device includes a body including a supporting wall and a side wall adjacent to the supporting wall, a folding mechanism connected to the body and configured to rotate around a rotation axis, and a gimbal camera connected to the folding mechanism and having an expanded state and a folded state. In response to the folding mechanism driving the gimbal camera to rotate to the expanded state, at least a portion of the folding mechanism abuts against the supporting wall. In response to the folding mechanism driving the gimbal camera to rotate to the folded state, the gimbal camera fits to the side wall of the body.
    Type: Application
    Filed: November 6, 2020
    Publication date: February 25, 2021
    Inventors: Yifen LIU, Dengfeng HU, Tianfei ZHAO
  • Patent number: 10921690
    Abstract: A gimbal photographing device includes a machine body, a foldable mechanism connected with the machine body, and a gimbal camera connected with the foldable mechanism. The gimbal camera is configured to cling to the machine body through the foldable mechanism, and is configured to be positioned in an extended state or a folded state. The machine body includes a support wall configured to support the foldable mechanism and the gimbal camera. The foldable mechanism includes a base including a rotation member and a position limiting member connected with the rotation member. The position limiting member is connected with the gimbal camera. The position limiting member includes a first end and a second end that are opposingly disposed. The rotation member is rotatably connected with the support wall around a rotation axis direction to cause the gimbal camera to rotate relative to the machine body.
    Type: Grant
    Filed: January 7, 2020
    Date of Patent: February 16, 2021
    Assignee: SZ DJI OSMO TECHNOLOGY CO., LTD.
    Inventors: Yifen Liu, Dengfeng Hu, Qiu Lan, Tianfei Zhao
  • Patent number: 10901305
    Abstract: A gimbal assembly includes a body and a gimbal frame movably connected with the body. The gimbal frame is configured to fittingly contact the body or to be at least partially received in the body to reduce a volume of the gimbal assembly.
    Type: Grant
    Filed: July 18, 2019
    Date of Patent: January 26, 2021
    Assignee: SZ DJI TECHNOLOGY CO., LTD.
    Inventors: Yifen Liu, Qiu Lan, Dengfeng Hu
  • Publication number: 20210021760
    Abstract: An unmanned aerial vehicle (UAV) includes a main body and a panoramic camera. The main body includes an upper surface and a lower surface. An accommodation hole is provided at the main body and penetrates the upper surface and the lower surface. The panoramic camera includes a camera connector, an upper lens, and a lower lens. The camera connector detachably mounts the panoramic camera to at least one of the accommodation hole or an outer periphery of the main body. The upper lens is arranged above the upper surface of the UAV. The lower lens is arranged below the lower surface of the UAV.
    Type: Application
    Filed: September 27, 2020
    Publication date: January 21, 2021
    Inventors: Yifen LIU, Zhuo GUO
  • Patent number: 10845680
    Abstract: A gimbal photographing device includes a body having a supporting wall, a folding mechanism connected to the body, and a gimbal camera connected to the folding mechanism. The gimbal camera fits to the body through the folding mechanism, having an expanded state and a folded state. The supporting wall is configured to support the folding mechanism and the gimbal camera. The rotating portion being connected to the supporting wall rotates around a rotation axis, to drive the gimbal camera to rotate relative to the body. The rotation axis is parallel to the supporting wall. In response to the rotating portion driving the gimbal camera to rotate to the expanded state, the rotating portion abuts against the supporting wall. In response to the rotating portion driving the gimbal camera to rotate to the folded state, the gimbal camera attaches to a side wall of the body adjacent to the supporting wall.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: November 24, 2020
    Assignee: SZ DJI OSMO TECHNOLOGY CO., LTD.
    Inventors: Yifen Liu, Dengfeng Hu, Tianfei Zhao
  • Publication number: 20200277040
    Abstract: An unmanned aerial vehicle is provided in the present disclosure. The unmanned aerial vehicle includes an aircraft body, first arm assemblies disposed at a front of the aircraft body, and second arm assemblies disposed at a rear of the aircraft body. The first arm assemblies include first arms, and the second arm assemblies include second arms. The first arms and the second arms are rotatably connected to the aircraft body respectively, to enable each of the first arms and the second arms to be at an unfolded state or a folded state. When the first arm assemblies and the second arm assemblies are at the folded state, the first arms and the second arms are arranged side by side.
    Type: Application
    Filed: January 7, 2020
    Publication date: September 3, 2020
    Inventors: Yifen LIU, Tianfei ZHAO
  • Publication number: 20200149678
    Abstract: A gimbal photographing device includes a body having a supporting wall, a folding mechanism connected to the body, and a gimbal camera connected to the folding mechanism. The gimbal camera attaches to the body through the folding mechanism and has an expanded state and a folded state. The supporting wall is configured to support the folding mechanism and the gimbal camera. The folding mechanism includes a supporting base and a position limiting member. The supporting base is connected to the gimbal camera and rotatably connected to the supporting wall around a rotation axis, to drive the gimbal camera to rotate relative to the body, and the rotation axis is parallel to the supporting wall. The position limiting member is connected to the supporting wall along a direction perpendicular to the rotation axis.
    Type: Application
    Filed: January 9, 2020
    Publication date: May 14, 2020
    Inventors: Yifen LIU, Qiu LAN, Dengfeng HU, Tianfei ZHAO
  • Publication number: 20200142284
    Abstract: A gimbal photographing device includes a machine body, a foldable mechanism connected with the machine body, and a gimbal camera connected with the foldable mechanism. The gimbal camera is configured to cling to the machine body through the foldable mechanism, and is configured to be positioned in an extended state or a folded state. The machine body includes a support wall configured to support the foldable mechanism and the gimbal camera. The foldable mechanism includes a base including a rotation member and a position limiting member connected with the rotation member. The position limiting member is connected with the gimbal camera. The position limiting member includes a first end and a second end that are opposingly disposed. The rotation member is rotatably connected with the support wall around a rotation axis direction to cause the gimbal camera to rotate relative to the machine body.
    Type: Application
    Filed: January 7, 2020
    Publication date: May 7, 2020
    Inventors: Yifen LIU, Dengfeng HU, Qiu LAN, Tianfei ZHAO
  • Publication number: 20200124947
    Abstract: A gimbal photographing device includes a body having a supporting wall, a folding mechanism connected to the body, and a gimbal camera connected to the folding mechanism. The gimbal camera fits to the body through the folding mechanism, having an expanded state and a folded state. The supporting wall is configured to support the folding mechanism and the gimbal camera. The rotating portion being connected to the supporting wall rotates around a rotation axis, to drive the gimbal camera to rotate relative to the body. The rotation axis is parallel to the supporting wall. In response to the rotating portion driving the gimbal camera to rotate to the expanded state, the rotating portion abuts against the supporting wall. In response to the rotating portion driving the gimbal camera to rotate to the folded state, the gimbal camera attaches to a side wall of the body adjacent to the supporting wall.
    Type: Application
    Filed: December 20, 2019
    Publication date: April 23, 2020
    Inventors: Yifen LIU, Dengfeng HU, Tianfei ZHAO
  • Publication number: 20200031467
    Abstract: A multi-rotor unmanned aerial vehicle (UAV) comprises: a fuselage; a plurality of rotor mechanisms disposed on the fuselage, each rotor mechanism including a rotor; and a plurality of connection mechanisms disposed on the fuselage. The plurality of connection mechanisms have a one-to-one correspondence with the plurality of rotor mechanisms, each connection mechanism corresponding to one of the plurality of rotor mechanisms. Each rotor mechanism is movably connected to the fuselage through the corresponding connection mechanism; and the plurality of rotor mechanisms are configured to be rotated with respect to the corresponding connection mechanisms to cause the plurality of rotor mechanisms to overlap with each other and form a rotor mechanism assembly.
    Type: Application
    Filed: June 25, 2019
    Publication date: January 30, 2020
    Inventor: Yifen LIU
  • Publication number: 20190339595
    Abstract: A gimbal assembly includes a body and a gimbal frame movably connected with the body. The gimbal frame is configured to fittingly contact the body or to be at least partially received in the body to reduce a volume of the gimbal assembly.
    Type: Application
    Filed: July 18, 2019
    Publication date: November 7, 2019
    Inventors: Yifen LIU, Qiu LAN, Dengfeng HU
  • Patent number: D868138
    Type: Grant
    Filed: July 5, 2018
    Date of Patent: November 26, 2019
    Assignee: SZ DJI Osmo Technology Co., Ltd.
    Inventors: Dengfeng Hu, Yifen Liu
  • Patent number: D916167
    Type: Grant
    Filed: November 4, 2019
    Date of Patent: April 13, 2021
    Assignee: SZ DJI Osmo Technology Co., Ltd.
    Inventors: Dengfeng Hu, Yifen Liu