Patents by Inventor Jiguo Liu
Jiguo 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).
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Patent number: 11984453Abstract: An array substrate includes: a first substrate (10), including a plurality of sub-pixel regions (101) arranged in an array along a row direction (X) and a column direction (Y); a pixel circuit layer, including a plurality of sub-pixel circuits; a planarization layer (17), provided with a first via hole (170) located in the sub-pixel regions (101), and includes at least one pattern portion (171), the pattern portion (171) includes a plurality of pattern units (171a) arranged in an array along the row direction (X) and the column direction (Y); and a reflective electrode layer, wherein the reflective electrode layer includes a plurality of reflective electrodes (18) that are mutually disconnected, each of the reflective electrodes (18) is located in one of the sub-pixel regions (101) and is electrically connected to the sub-pixel circuit through the first via hole (170).Type: GrantFiled: January 29, 2021Date of Patent: May 14, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jiguo Wang, Jian Sun, Zhao Zhang, Liang Tian, Weida Qin, Zhen Wang, Han Zhang, Wenwen Qin, Xiaoyan Yang, Yue Shan, Wei Yan, Jian Zhang, Deshuai Wang, Yadong Zhang, Jiantao Liu
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Patent number: 11978566Abstract: The present application relates to the field of mechanical engineering technologies, and particularly to an unloading device. The unloading device includes a power mechanism, a transmission mechanism, and an execution mechanism that are connected in sequence from top to bottom; wherein the execution mechanism includes a shafting assembly and a turntable assembly that are connected in sequence from top to bottom; wherein the turntable assembly includes an upper auxiliary fence, a middle main disturbance disk, and a lower reclaiming portion that are arranged in sequence from top to bottom. The unloading device provided by the present application is easy to control, and ensures the reclaiming reliability of the spherical materials and the stability of the sphere flow unloading, which can meet the requirements of long life and reliable operation of the unloading device under light load and low speed working conditions and achieve the convenient maintenance.Type: GrantFiled: July 31, 2019Date of Patent: May 7, 2024Assignee: CHINERGY CO., LTD.Inventors: Haiquan Zhang, Zuoyi Zhang, Junfeng Nie, Hongke Li, Xin Wang, Jiguo Liu, Yujie Dong
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Publication number: 20240074713Abstract: A full-body PET-CT combined device (11), characterized by comprising a power source (2), an industrial personal computer (3), a PET machine (5), a CT machine (6), a detection bed (7), a lifting portion (8), and a linear sliding table (9). The CT machine (6) is provided with a CT detector (61) and a CT rack (62). The PET machine (5) consists of a bearing base (51), a barrel detector assembly (52), a top detector assembly (53), and a neck detector assembly (54). The detection bed (7) is horizontally disposed, and a tail portion (71) thereof is fixed to a lifting shaft (81) of the lifting portion (8). A horizontal lifting bottom plate (82) is fixed below the lifting portion (8). The linear sliding table (9) is horizontally placed below the detection bed (7), and the CT machine (6) is located between the PET machine (5) and the lifting portion (8). The combined device (11) further comprises an elongated base (111), with the power source (2) etc. being sequentially fixed to the upper surface of the base (111).Type: ApplicationFiled: October 23, 2019Publication date: March 7, 2024Applicant: SHANDONG MADIC TECHNOLOGY CO., LTD.Inventor: Jiguo LIU
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Patent number: 11887740Abstract: The present application relates to an unloading and temporary storage device. The unloading and temporary storage device includes a stock bin, a stock bin external member, a stock bin internal member, a shielding module and a loading module; the stock bin includes a barrel and a tank body; the stock bin external member includes a cooling water jacket; the stock bin internal member includes a straight bin, an inclined bin and an unloading bin that communicate sequentially; the shielding module includes an external shield and a neutron shield; the loading module includes a loading body; and sphere inlet passages are provided in the loading body. The unloading and temporary storage device can perform the functions of receiving, temporarily storing, atmosphere switching, and unloading of spherical elements, and also has the safety functions of ensuring geometrical integrity of the spherical elements, radiological protection and residual heat removal.Type: GrantFiled: July 31, 2019Date of Patent: January 30, 2024Assignee: CHINERGY CO., LTD.Inventors: Haiquan Zhang, Junfeng Nie, Zuoyi Zhang, Hongke Li, Xin Wang, Jiguo Liu, Yujie Dong
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Patent number: 11852757Abstract: Provided is a PET detector for reducing the number of silicon photomultipliers in use, which is characterized in that: the detector comprises layers respectively formed by a scintillation crystal array unit and a silicon photomultiplier (4) array unit, the scintillation crystal array unit and the silicon photomultiplier (4) array unit are rectangular cross sections in plan view, and the scintillation crystal array unit and the silicon photomultiplier (4) array unit have the same area of the rectangular cross sections in plan view; the scintillation crystal array unit consists of a plurality of scintillation crystal strips (1) parallel to each other, free of gaps and attached to each other on sides, the scintillation crystal strips (1) are all cuboids with uniform length, width and height; the silicon photomultiplier (4) array unit is an array assembly, which is formed by M silicon photomultiplier (4) arrays and has the rectangular cross section in plan view.Type: GrantFiled: April 1, 2019Date of Patent: December 26, 2023Assignee: SHANDONG MADIC TECHNOLOGY CO., LTD.Inventor: Jiguo Liu
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Patent number: 11660060Abstract: A whole body PET and CT combined detector and device, comprising a CT scanner frame (4) and a PET detection chamber (5) at the front and the rear along a common central axis. The CT scanner frame (4) is provided with a housing and also has a cylindrical CT scanning channel vertical to the central axis; the PET detection chamber (5) is formed by a plurality of PET detection modules (6, 7) adjacent to each other, and PET detection crystals (10) are all arranged in a direction towards to the chamber, the PET detection chamber (5) is entirely closed or a first opening is formed at the side adjacent to the CT scanner frame (4); each of the PET detection modules (6, 7) is composed of the PET detection crystals (10), a photoelectric sensor array (8), and a light guide (9); and except for the first opening, the cross-sectional areas of all gaps of the PET detection chamber (5) are smaller than the detected surface area of the smallest one of the PET detection crystals (10).Type: GrantFiled: April 1, 2019Date of Patent: May 30, 2023Assignee: SHANDONG MADIC TECHNOLOGY CO., LTD.Inventor: Jiguo Liu
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Patent number: 11551825Abstract: The present disclosure relates to the field of reactor engineering technologies, and particularly to a spherical element detecting and positioning device. The spherical element detecting and positioning device includes a pressure-bearing casing, an internal member and an execution part; the pressure-bearing casing includes a tank body, one sphere inlet adapter pipe and two sphere outlet adapter pipe respectively arranged on the tank body; the internal member is arranged in the rotor counter-bored hole and includes a lining ring and a limit ring; and the execution part includes a turntable and two support lugs.Type: GrantFiled: September 19, 2019Date of Patent: January 10, 2023Assignee: Tsinghua UniversityInventors: Haiquan Zhang, Junfeng Nie, Xin Wang, Hongke Li, Liguo Zhang, Jiguo Liu, Zuoyi Zhang, Yujie Dong
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Publication number: 20220370022Abstract: Disclosed is a general PET device (1) with a gradually narrowed head, the device comprising a body (2), a head (3) and a top (4) closely arranged in sequence, wherein the body (2) is composed of a plurality of body module rings (21); the head (3) is composed of N head module rings (31), with N being a natural number and being at least two; the top (4) is composed of a plurality of top PET detection modules (41); each of the body module rings (21) is composed of several body PET detection modules (22) evenly distributed in a circumferential direction thereof, and all the body module rings (21) are closely arranged in an axial direction to form the body (2); in the N head module rings (31), the rings sequentially decreases in size, and are closely arranged in the axial direction in a sequence from the first head module ring (31) to the Nth head module ring (31); and the detection surfaces of the plurality of top PET detection modules (41) are located in the same plane, and all the detection surfaces face the heType: ApplicationFiled: October 23, 2019Publication date: November 24, 2022Applicant: SHANDONG MADIC TECHNOLOGY CO., LTD.Inventor: Jiguo LIU
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Patent number: 11374467Abstract: An air pre-cleaning assembly includes a motor that has a stator and a rotor shaft assembly configured with a fan. The motor is disposed at the upstream of the fan, and rotation of the fan is configured to yield an air flow passing through the motor. A cyclone separating element on the upstream path of the air flow on the motor includes an air inlet, a separating chamber, a dust collecting chamber, and an air outlet. The separating chamber is communicated with the air inlet. The dust collecting chamber is communicated with the separating chamber and located at its outer periphery. The air outlet is communicated with the separating chamber and located at its inner periphery. The motor is located at the downstream of the air outlet. The cyclone separating element allows clean air filtered by cyclone filtering to pass through the motor via the air outlet.Type: GrantFiled: February 13, 2018Date of Patent: June 28, 2022Assignees: Bosch Power Tools (China) Co., Ltd., Robert Bosch GmbHInventors: Weiwei Lv, Xing Wu, Jiguo Liu
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Patent number: 11324467Abstract: A full-angle coincidence brain PET detector and apparatus, including a plurality of PET detection modules, each of which includes PET detection crystals, a photoelectric sensor array and light guides, all the detection crystals being arranged towards a cavity. The detection modules form a chamber having an opening, each dimension of the cavity is no greater than 35-50 cm, the opening is located at a lower side of the chamber. A cross-sectional area at the opening is greater than a maximum cross-sectional area of a head in a horizontal direction. Except for the opening, all the detection modules are non-detachably connected together. All cross-sectional areas of gaps between the detection modules are less than ½ to ? of the area of the smallest one of the detection crystals. At least 75% to 80% of a coincidence event occurring at a center of the chamber is detected by the detection modules.Type: GrantFiled: April 1, 2019Date of Patent: May 10, 2022Assignee: SHANDONG MADIC TECHNOLOGY CO., LTD.Inventor: Jiguo Liu
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Publication number: 20220057532Abstract: Provided is a PET detector for reducing the number of silicon photomultipliers in use, which is characterized in that: the detector comprises layers respectively formed by a scintillation crystal array unit and a silicon photomultiplier (4) array unit, the scintillation crystal array unit and the silicon photomultiplier (4) array unit are rectangular cross sections in plan view, and the scintillation crystal array unit and the silicon photomultiplier (4) array unit have the same area of the rectangular cross sections in plan view; the scintillation crystal array unit consists of a plurality of scintillation crystal strips (1) parallel to each other, free of gaps and attached to each other on sides, the scintillation crystal strips (1) are all cuboids with uniform length, width and height; the silicon photomultiplier (4) array unit is an array assembly, which is formed by M silicon photomultiplier (4) arrays and has the rectangular cross section in plan view.Type: ApplicationFiled: April 1, 2019Publication date: February 24, 2022Applicant: SHANDONG MADIC TECHNOLOGY CO., LTD.Inventor: Jiguo LIU
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Publication number: 20220057535Abstract: A PET detector having some light guides not cut, comprising a light guide bar array unit having some light guides not cut. The light guide bar array unit is in the form of an array consisting of a plurality of parallel light guide bars (2), and adjacent light guide bars (2) in some regions of the light guide bar array unit and a reflective material (4) between every two light guide bars are replaced with a light guide three-dimensional block having the identical shape and volume, taken as a whole. The detector sequentially comprises a layer formed by a scintillating crystal array unit, a layer formed by the light guide bar array unit, and a layer formed by a silicon photomultiplier array unit in an arrangement order.Type: ApplicationFiled: April 1, 2019Publication date: February 24, 2022Applicant: SHANDONG MADIC TECHNOLOGY CO., LTD.Inventor: Jiguo LIU
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Publication number: 20210298709Abstract: A whole body PET and CT combined detector and device, comprising a CT scanner frame (4) and a PET detection chamber (5) at the front and the rear along a common central axis. The CT scanner frame (4) is provided with a housing and also has a cylindrical CT scanning channel vertical to the central axis; the PET detection chamber (5) is formed by a plurality of PET detection modules (6, 7) adjacent to each other, and PET detection crystals (10) are all arranged in a direction towards to the chamber; the PET detection chamber (5) is entirely closed or a first opening is formed at the side adjacent to the CT scanner frame (4); each of the PET detection modules (6, 7) is composed of the PET detection crystals (10), a photoelectric sensor array (8), and a light guide (9); and except for the first opening, the cross-sectional areas of all gaps of the PET detection chamber (5) are smaller than the detected surface area of the smallest one of the PET detection crystals (10).Type: ApplicationFiled: April 1, 2019Publication date: September 30, 2021Applicant: SHANDONG MADIC TECHNOLOGY CO., LTD.Inventor: Jiguo LIU
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Publication number: 20210296014Abstract: The present disclosure relates to the field of reactor engineering technologies, and particularly to a spherical element detecting and positioning device. The spherical element detecting and positioning device includes a pressure-bearing casing, an internal member and an execution part; the pressure-bearing casing includes a tank body, one sphere inlet adapter pipe and two sphere outlet adapter pipe respectively arranged on the tank body; the internal member is arranged in the rotor counter-bored hole and includes a lining ring and a limit ring; and the execution part includes a turntable and two support lugs.Type: ApplicationFiled: September 19, 2019Publication date: September 23, 2021Inventors: Haiquan ZHANG, Junfeng NIE, Xin WANG, Hongke LI, Liguo ZHANG, Jiguo LIU, Zuoyi ZHANG, Yujie DONG
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Publication number: 20210270981Abstract: A full-angle coincidence PET detector array, comprising the following components: a plurality of PET detection modules (2), wherein each of the PET detection modules (2) is composed of PET detection crystals (7), a photosensor array (5) and a light guide (6); and the plurality of PET detection modules (2) are adjacent to each other to form an integrally closed detection chamber. A full-angle coincidence PET detection method, comprising the following steps: 1) the step of assembling the detection chamber; 2) the step of placing a detection object; and 3) the step of acquiring an image. The cross-sectional area of all voids is smaller than the area of the smallest of the PET detection crystals (7) when the detection chamber is in a closed state; and the integrally closed detection chamber is of a cylindrical shape, a capsular shape, an ellipsoidal shape or a regular polygonal prism shape.Type: ApplicationFiled: April 1, 2019Publication date: September 2, 2021Applicant: SHANDONG MADIC TECHNOLOGY CO., LTD.Inventor: Jiguo LIU
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Publication number: 20210272712Abstract: The present application relates to an unloading and temporary storage device. The unloading and temporary storage device includes a stock bin, a stock bin external member, a stock bin internal member, a shielding module and a loading module; the stock bin includes a barrel and a tank body; the stock bin external member includes a cooling water jacket; the stock bin internal member includes a straight bin, an inclined bin and an unloading bin that communicate sequentially; the shielding module includes an external shield and a neutron shield; the loading module includes a loading body; and sphere inlet passages are provided in the loading body. The unloading and temporary storage device can perform the functions of receiving, temporarily storing, atmosphere switching, and unloading of spherical elements, and also has the safety functions of ensuring geometrical integrity of the spherical elements, radiological protection and residual heat removal.Type: ApplicationFiled: July 31, 2019Publication date: September 2, 2021Inventors: Haiquan ZHANG, Junfeng NIE, Zuoyi ZHANG, Hongke LI, Xin WANG, Jiguo LIU, Yujie DONG
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Publication number: 20210267565Abstract: An overall full-angle coincidence brain PET detector (1) and an overall apparatus, said detector (1) comprising a plurality of PET detection modules (7), each PET detection module (7) consisting of PET detection crystals (10), a photoelectric sensor array (8) and light guides (9), and all the PET detection crystals (10) being arranged towards the inner cavity. The plurality of PET detection modules (7) form a detection chamber (3) having an opening (4), each of the length, width and height of an inner cavity of the detection chamber (3) is no greater than 35 to 50 cm, and the opening (4) of the detection chamber (3) is located at the lower side of the detection chamber (3). The cross-sectional area at the opening (4) is greater than the maximum cross-sectional area of a head (2) in the horizontal direction. Except for the opening (4), all the PET detection modules (7) are non-detachably connected together.Type: ApplicationFiled: April 1, 2019Publication date: September 2, 2021Applicant: Shandong Madic Technology Co., Ltd.Inventor: Jiguo LIU
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Publication number: 20210151210Abstract: The present application relates to the field of mechanical engineering technologies, and particularly to an unloading device. The unloading device includes a power mechanism, a transmission mechanism, and an execution mechanism that are connected in sequence from top to bottom; wherein the execution mechanism includes a shafting assembly and a turntable assembly that are connected in sequence from top to bottom; wherein the turntable assembly includes an upper auxiliary fence, a middle main disturbance disk, and a lower reclaiming portion that are arranged in sequence from top to bottom. The unloading device provided by the present application is easy to control, and ensures the reclaiming reliability of the spherical materials and the stability of the sphere flow unloading, which can meet the requirements of long life and reliable operation of the unloading device under light load and low speed working conditions and achieve the convenient maintenance.Type: ApplicationFiled: July 31, 2019Publication date: May 20, 2021Applicant: Tsinghua UniversityInventors: Haiquan ZHANG, Zuoyi ZHANG, Junfeng NIE, Hongke LI, Xin WANG, Jiguo LIU, Yujie DONG
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Publication number: 20200099275Abstract: An air pre-cleaning assembly includes a motor that has a stator and a rotor shaft assembly configured with a fan. The motor is disposed at the upstream of the fan, and rotation of the fan is configured to yield an air flow passing through the motor. A cyclone separating element on the upstream path of the air flow on the motor includes an air inlet, a separating chamber, a dust collecting chamber, and an air outlet. The separating chamber is communicated with the air inlet. The dust collecting chamber is communicated with the separating chamber and located at its outer periphery. The air outlet is communicated with the separating chamber and located at its inner periphery. The motor is located at the downstream of the air outlet. The cyclone separating element allows clean air filtered by cyclone filtering to pass through the motor via the air outlet.Type: ApplicationFiled: February 13, 2018Publication date: March 26, 2020Inventors: Weiwei LV, Xing WU, Jiguo LIU
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Patent number: 9272890Abstract: A corkscrew assembly includes a housing a worm screw assembly, a first gripper, and a second gripper. The housing defines (i) a first opening configured to receive a neck of a bottle, (ii) a second opening, and (iii) an interior space interposed between the first opening and the second opening. The housing includes a sidewall extending from the first opening to the second opening. The sidewall defines a first gripper passage and a second gripper passage. The interior space is interposed between the first gripper passage and the second gripper passage. The worm screw assembly is rotatable in relation to the housing and includes (i) a worm screw member having a pointed first end portion and a second opposite end portion and (ii) a drive member fixed in relation to the second opposite end portion.Type: GrantFiled: November 2, 2012Date of Patent: March 1, 2016Assignee: Robert Bosch GmbHInventors: Michael Lawlor, Xinhui Zhang, Jiguo Liu, Chengyuan Wei, Xingjie Zhu