Patents by Inventor Jian Chen

Jian 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: 10419746
    Abstract: The present disclosure provides a 3D display apparatus and a 3D display method.
    Type: Grant
    Filed: December 22, 2015
    Date of Patent: September 17, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Pengcheng Lu, Xue Dong, Xiaochuan Chen, Ming Yang, Qian Wang, Lei Wang, Rui Xu, Jian Gao, Xiaochen Niu
  • Patent number: 10416373
    Abstract: Disclosed herein are display systems comprising light-emitting, diodes (LEDs), suitably blue light LEDs, which demonstrate increased optical power output. In embodiments, the display systems include compositions comprising phosphors, including luminescent nanocrystals.
    Type: Grant
    Filed: March 2, 2018
    Date of Patent: September 17, 2019
    Assignee: Nanosys, Inc.
    Inventors: Jian Chen, Robert S. Dubrow, Steven Gensler, Jason Hartlove, Ernest Lee, Robert Edward Wilson
  • Patent number: 10418919
    Abstract: An electric tool and a motor drive system are provided. The motor drive system includes a trigger switch, an electronic switch, and a switch control circuit connected between the trigger switch and the electronic switch. The trigger switch is connected in series to a power supply. The electronic switch is configured to control a motor to be powered on or powered off. The switch control circuit is configured to control the electronic switch based on a state of the trigger switch, wherein the electronic switch is delayed to be turned off after the trigger switch is turned off to control the motor to be powered off later than a time that the trigger switch is turned off.
    Type: Grant
    Filed: September 30, 2016
    Date of Patent: September 17, 2019
    Assignee: Johnson Electric International AG
    Inventors: Yuk Tung Lo, Hai Bo Ma, Song Chen, Siu Chung Yip, Yong Sheng Gao, Jian Xun Zou
  • Patent number: 10419939
    Abstract: An embodiment of the disclosure provides a resource partition aggregating method and a device, the method includes acquiring a resource utilization ratio of each resource partition in a first signal unit. When there is a resource utilization ratio of each resource partition of at least two adjacent resource partitions in the first signal unit is less than a first preset threshold, whether a zone index used after aggregating the at least two adjacent resource partitions causes a communication interference with zone indexes used by resource partitions in an adjacent second signal unit is determined. If no communication interference is caused, determining area distribution parameters of the aggregated at least two adjacent resource partitions. A broadcast message carrying the area distribution parameters to a vehicle terminal is sent. By using the embodiment of the present disclosure, a resource utilization ratio can be improved.
    Type: Grant
    Filed: December 28, 2016
    Date of Patent: September 17, 2019
    Assignee: YULONG COMPUTER TELECOMMUNICATIONS SCIENTIFIC (SHENZHEN) CO., LTD.
    Inventors: Zhen-Wei Shi, Ming Jiang, Jian-Hui Li, Kuan Wu, Rong Chen, Yi-Xue Lei, Qian Zheng, Yun-Fei Zhang
  • Patent number: 10416849
    Abstract: An interface display control method in an electronic device, includes invoking and displaying a first level submenu interface on a trigger received, the first level submenu interface including menu item arrangement area and preview area, and controlling a display screen to display multiple first level submenu items on the menu item arrangement area for ease of access by user. The multiple first level submenu items correspond to application control parameters. The method responds to user first operation to activate and second operation of user selecting. The second operation signal is responded to, and current settings value of the control parameter, corresponding to the operated first level submenu item, is displayed. The first operation signal causes display of multiple second level submenu items or multiple bottom submenu items corresponding to the operated first level submenu item.
    Type: Grant
    Filed: April 27, 2017
    Date of Patent: September 17, 2019
    Assignee: ShenZhen Dazzne Technical Limited
    Inventors: Wei-Kun Chen, Zuo-Jian Ye
  • Patent number: 10414718
    Abstract: Disclosed in the present disclosure is a Dezocine analog, and particularly disclosed are compounds represented by formula (I), (II) and (III), a pharmaceutically acceptable salt or tautomer thereof.
    Type: Grant
    Filed: January 4, 2017
    Date of Patent: September 17, 2019
    Assignee: Shandong Danhong Pharmaceutical Co., Ltd.
    Inventors: Yang Zhang, Wentao Wu, Zhixiang Li, Guangwen Yang, Yongbo Fang, Tao Zhang, Wei Gu, Shuhui Chen, Fei Wang, Jian Li
  • Publication number: 20190277620
    Abstract: Detecting device, and method, and liquid crystal dropping apparatus and method are provided. The detecting device is configured to detect a volume of an uneven region of a color filter substrate in a display area, and includes at least one collection unit and a processing circuit. The collection unit is configured to obtain a surface image of the color filter substrate in the display area, and output the obtained surface image to the processing circuit. The processing circuit is connected to the collection unit and configured to process the surface image to obtain a volume of the uneven region of the color filter substrate in the display area. The detecting device and the corresponding method can automatically obtain the volume of the uneven region of the color filter substrate in the display area, thereby obtaining an appropriate filling amount of liquid crystal and ensuring product quality.
    Type: Application
    Filed: May 16, 2018
    Publication date: September 12, 2019
    Inventors: Jian CHEN, Sangman YUK, Huifang YUAN, Wenhao TANG
  • Publication number: 20190280754
    Abstract: Embodiments of the present invention provide a channel state information obtaining method and a device, where the method includes: determining, by a base station according to radio resource usage, a special timeslot in a frequency range used for downlink data transmission; sending special-timeslot configuration information to user equipment, where the special-timeslot configuration information is used to configure the user equipment to send the uplink physical signal over a downlink frequency band in the special timeslot; and performing channel estimation according to the uplink physical signal after receiving the uplink physical signal sent by the user equipment, to obtain channel state information. Compared with a technical solution in the prior art in which user equipment obtains channel state information and then feeds back the channel state information to a base station, system overheads caused in obtaining, by the base station, the channel state information are reduced.
    Type: Application
    Filed: May 28, 2019
    Publication date: September 12, 2019
    Inventors: Xiaoyan BI, Dageng CHEN, Jian LI
  • Publication number: 20190273131
    Abstract: A semiconductor device includes a semiconductor body having a base region incorporating a field stop zone where the base region and the field stop zone are both formed using an epitaxial process. Furthermore, the epitaxial layer field stop zone is formed with an enhanced doping profile to realize improved soft-switching performance for the semiconductor device. In some embodiments, the enhanced doping profile formed in the field stop zone includes varying, non-constant doping levels. In some embodiments, the enhanced doping profile includes one of an extended graded doping profile, a multiple stepped flat doping profile, or a multiple spike doping profile. The epitaxial layer field stop zone of the present invention enables complex field stop zone doping profiles to be used to obtain the desired soft-switching characteristics in the semiconductor device.
    Type: Application
    Filed: May 22, 2019
    Publication date: September 5, 2019
    Inventors: Lei Zhang, Karthik Padmanabhan, Lingpeng Guan, Jian Wang, Lingbing Chen, Wim Aarts, Hongyong Xue, Wenjun Li, Madhur Bobde
  • Patent number: 10405052
    Abstract: A digital video conversion device is communicatively coupled to a TV set and a TV signal source, respectively, to pass TV signals from the TV signal source to the TV set. Upon receipt of a TV channel identification request from a mobile terminal via a wireless communication channel, the digital video conversion device acquires an image from the TV signals currently broadcasted on the TV set and extracts a plurality of station logo characteristic sets from the image, each station logo characteristic set corresponding to one of a plurality of station logo templates. After calculating a similarity score between each station logo characteristic set and a corresponding station logo template, the digital video conversion device identifies one of the plurality of station logo templates as matching the image based on their similarity scores and returns TV channel information associated with the identified station logo template to the mobile terminal.
    Type: Grant
    Filed: April 18, 2018
    Date of Patent: September 3, 2019
    Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
    Inventors: Mei Jiang, Hailong Liu, Jian Liu, Bo Chen
  • Patent number: 10400340
    Abstract: A cathode catalyst used for conversion of a carbon dioxide gas by an electrochemical reduction includes at least one first catalyst layer and at least one second catalyst layer disposed on a surface of the at least one first catalyst layer. The at least one second catalyst layer is a porous structure. The at least one first catalyst layer and the at least one second catalyst layer are physically combined with each other, and materials of the at least one first catalyst layer and the at least one second catalyst layer are different. A cathode material and a reactor include the cathode catalyst are also provided.
    Type: Grant
    Filed: March 11, 2013
    Date of Patent: September 3, 2019
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Jian-Wei Guo, Chen-Chen Zhao, Xiang-Ming He, Li Wang, Jian-Jun Li, Jian Gao
  • Patent number: 10401686
    Abstract: A display substrate is disclosed, including pixel units defined by gate lines and data lines, and a first alignment layer. The first alignment layer includes first alignment grooves arranged in a first direction, the first direction forms a first intersection angle with a positive direction of a first side of each pixel unit, the first intersection angle is an obtuse angle, and the first intersection angle is smaller than an intersection angle between an orientation of liquid crystal molecule in a working state and the positive direction of the first side of each pixel unit. The direction of alignment grooves is decreased, so that the rotation angle of liquid crystal molecule is decreased, which reduces the responsive time of liquid crystal. A method for fabricating a display substrate, a display panel, and a display device are also disclosed.
    Type: Grant
    Filed: May 18, 2017
    Date of Patent: September 3, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Qian Wang, Xiaochuan Chen, Wenqing Zhao, Jian Gao, Xiaochen Niu
  • 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: 20190262803
    Abstract: A monolithic catalyst used for a carbon dioxide hydrogenation reaction and a method for preparing the same. The catalyst comprises a carrier, a coating, and active components. The carrier is a honeycomb ceramic. The coating and the active components are separately applied to honeycomb ceramic hole walls from inside to outside. Moreover, each of the honeycomb ceramic holes is divided into an upper segment and a lower segment, and different active components are separately loaded on the two segments. The method for preparing the monolithic catalyst comprises first applying a coating to a honeycomb ceramic by means of impregnation to obtain a coating-containing carrier, and then applying active components to an upper segment and a lower segment of the coating-containing carrier successively by means of impregnation to obtain the monolithic catalyst.
    Type: Application
    Filed: March 21, 2017
    Publication date: August 29, 2019
    Inventors: Yang YU, Haibo CHEN, Shixin WEI, Yusheng YIN, Chunpeng MAO, Jiedong TAN, Dong QIU, Tianming XIE, Jian HE, Huiqin YIN, Xianguo TIAN, Tianlei DONG, Qiong WANG
  • Publication number: 20190268589
    Abstract: A naked-eye three-dimensional display method constructed on two half-screens, a naked-eye three-dimensional display device, and a terminal equipment are provided in embodiments of the disclosure, the two half-screens being configured to display respectively images corresponding to a left eye and a right eye of an observer respectively, the method comprising: detecting in a real-time manner distances between both ends of each row of pixels on each of the half-screens and a corresponding eye of the observer through which said each of the half-screens is viewed; calculating light-exiting angles formed from displayed pixels on said each of the half-screens to the corresponding eye through which said each of the half-screens is viewed, as a function of a length of each of the half-screens and the distances between both ends of each row of pixels on each of the half-screens and the corresponding eye through which said each of the half-screens is viewed; and controlling light rays outputted from the displayed pixels
    Type: Application
    Filed: January 3, 2018
    Publication date: August 29, 2019
    Inventors: Pengcheng Lu, Xiaochuan Chen, Shengji Yang, Lei Wang, Dongni Liu, Han Yue, Li Xiao, Jie Fu, Jian Gao, Changfeng Li
  • Publication number: 20190265544
    Abstract: The present disclosure provides a mask plate for manufacturing a display substrate. The mask plate includes a light transmission pattern corresponding to a color filtering unit of the display substrate, a first partial light transmission pattern corresponding to a black matrix pattern of the display substrate, and an opaque pattern corresponding to a first spacer of the display substrate.
    Type: Application
    Filed: September 6, 2018
    Publication date: August 29, 2019
    Inventors: Qiang Ji, Guoqiang Zhong, Sangman Yuk, Haibin Yin, Jian Chen, Wenhao Tang, Anxin Dong
  • Patent number: 10393098
    Abstract: A two-way wobble plate compressor, comprising: a cylinder block (100); a two-way piston (200) capable of reciprocating within a cylinder bore (110) of the cylinder block (100); a drive assembly (300) driving the two-way piston (200), the drive assembly (300) including a drive shaft (310), a rotor (320) fixedly connected with the drive shaft (310), and an annular wobble plate (330) fitting with the rotor (320); the rotor (320) has an inner surface (323) for fitting with the annular wobble plate (330), the inner surface (323) include a first inner surface (324) and a second inner surface (325), which are oppositely arranged, and a rotor contact surface (326); the wobble plate (330) is partially encircled within the inner surface (323) of the rotor (320), and includes a first peripheral portion (334), a second peripheral portion (335), and a wobble plate contact surface (336); a first bearing (340) is provided between the first inner surface (324) and the first peripheral portion (334), a second bearing (350) is
    Type: Grant
    Filed: May 21, 2015
    Date of Patent: August 27, 2019
    Assignee: BITZER Refrigeration Technology (China) Co., Ltd.
    Inventors: Dazi Shen, Jian Wang, Yujun Chen
  • Patent number: 10397522
    Abstract: A method for identifying popular segments of a network video comprising: receiving video player operation information for a plurality of video players operated by users accessing the network video; evaluating a popularity measure for one or more segments of the network-video using the received operation information so as to identify popular segments of the network video.
    Type: Grant
    Filed: August 14, 2017
    Date of Patent: August 27, 2019
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Yan Chen, Jian Hui He, Zhi Hua Pan, Zhong Su, Xiao Xun Zhang
  • Patent number: 10392634
    Abstract: The present invention provides a method for high-efficiency production of pinoresinol by use of an H2O2 auto-scavenging enzymatic cascade. It uses eugenol as the substrate, which is relatively inexpensive and is industrially available. It uses an enzymatic cascade to remove H2O2 produced in the process of pinoresinol synthesis, thereby reducing its inhibitory effect on the enzyme activity. In addition, the present invention uses whole cells as a catalyst, which can continuously regenerate cofactors needed by the enzyme, thus eliminating the need for exogenous addition of expensive cofactors during the reaction. The yield of the present invention can reach 7.12 g/L and the conversion rate is 61.55%.
    Type: Grant
    Filed: March 28, 2017
    Date of Patent: August 27, 2019
    Assignee: Jiangnan University
    Inventors: Jingwen Zhou, Jian Chen, Yongkun Lv, Guocheng Du
  • Patent number: 10392401
    Abstract: The present invention relates to crystal form A of a compound. The present invention also discloses a preparation method and a pharmaceutical composition of the crystal form A. The crystal form A has strong hypoglycemic activity in vivo and is expected to be a novel pharmaceutically active ingredient for treating or preventing type II diabetes and/or complications of type II diabetes.
    Type: Grant
    Filed: February 3, 2016
    Date of Patent: August 27, 2019
    Assignee: SHANGHAI INSTITUTE OF MATERIA MEDICA, CHINESE ACADEMY OF SCIENCES
    Inventors: Hong Liu, Jiang Wang, Jian Li, Jia Li, Jingya Li, Shengbin Zhou, Mingbo Su, Hualiang Jiang, Xiaomin Luo, Kaixian Chen