Patents by Inventor Qian Xu

Qian Xu 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: 20190376121
    Abstract: A gene detection method, a gene detection kit, and a gene detection device, including the following steps: providing a plurality of separation cavities on a kit, using a plunger to separate adjacent separation cavities, and respectively providing a lysate solution, a washing solution and a reaction solution in the separation cavities; when detecting a sample, pushing each plunger to align a plunger hole of the plunger with the separation cavity, thereby making the separation cavities interconnected; then, controlling magnetic beads in the kit to drive the sample to be tested to pass through the separation cavities in sequence by an electromagnetic control method, carrying out a lysing, a washing and a reaction in sequence; and finally, performing a optical detection on a gene in the reaction solution from outside.
    Type: Application
    Filed: June 6, 2018
    Publication date: December 12, 2019
    Applicant: HANGZHOU LIFEREAL BIOTECHNOLOGY CO., LTD.
    Inventors: Qian SONG, Wenfei XU, Xin WANG, Xiangzhao ZHENG
  • Patent number: 10503000
    Abstract: A display panel and a display device are disclosed. The display panel includes a first substrate and a second substrate which are disposed oppositely to each other, wherein a first optical film is disposed on a side of the first substrate facing away from the second substrate, a plurality of nanoscale microstructures are formed on the first optical film, and the first optical film is configured to split an incident white light into a plurality of monochromatic lights with different colors. The display panel is capable of reducing the loss of light efficiency of the display device and increasing the light extraction efficiency of the display device.
    Type: Grant
    Filed: September 7, 2016
    Date of Patent: December 10, 2019
    Assignees: BOE Technology Group Co., Ltd., Beijing BOE Optoelectronics Technology Co., Ltd.
    Inventors: Wenqing Zhao, Xiaochuan Chen, Jian Gao, Qian Wang, Pengcheng Lu, Ming Yang, Rui Xu, Lei Wang, Xiaochen Niu
  • Publication number: 20190366346
    Abstract: The present disclosure provides systems, devices and methods associates with processing and analyzing samples for molecular diagnostics. The system may process samples using assay cartridges including sample preparation modules and PCR modules. The system may include thermal cycler modules and optics modules to detect the specific nucleic acid sequences in the samples.
    Type: Application
    Filed: August 15, 2019
    Publication date: December 5, 2019
    Inventors: Xiaojun Lei, Yuan Yuan, Qian Xu, Paul Fleming, Ronan Hayes, Brian Lewis, Bruce Richardson
  • Patent number: 10495942
    Abstract: The present application provides a liquid crystal prism including a first substrate, a second substrate, a liquid crystal layer arranged between the first substrate and the second substrate, a face recognition circuit, a prism form determination circuit and a control circuit. The liquid crystal prism is divided into a plurality of prism units. The face recognition circuit is configured to acquire eye position information from one or more faces, and transmit the eye position information to the prism form determination circuit. The prism form determination circuit is configured to determine a prism form in accordance with a correspondence mapping table about correspondences between eye position information and prism forms, and the eye position information acquired by the face recognition circuit. The control circuit is configured to control voltages applied to the strip-like electrodes of the prism units in accordance with the prism form determined by the prism form determination circuit.
    Type: Grant
    Filed: July 13, 2016
    Date of Patent: December 3, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Pengcheng Lu, Xue Dong, Xiaochuan Chen, Qian Wang, Wenqing Zhao, Jian Gao, Ming Yang, Lei Wang, Rui Xu, Xiaochen Niu, Haisheng Wang, Shengji Yang, Changfeng Li
  • Publication number: 20190363507
    Abstract: A light-emitting ceramic and a light-emitting device. The light-emitting ceramic comprises a YAG substrate and light-emitting centers and diffusion particles evenly dispersed in the YAG substrate. The light-emitting centers are lanthanide-doped YAG fluorescent powder particles of 10-20 ?m in grain size. The particle size of the scattering particles is 20-50 nm. The YAG substrate is a lanthanide-doped YAG ceramic. Also, the grain size of the YAG substrate is less than the grain size of the YAG fluorescent powder particles.
    Type: Application
    Filed: June 16, 2017
    Publication date: November 28, 2019
    Inventors: Qian Li, Yusan Chen, Yanzheng Xu
  • Patent number: 10488702
    Abstract: A display device and a driving method for the same are disclosed. The display device includes a LCD panel and a backlight module disposed at a light incident side of the LCD panel; a surface of the backlight module facing the LCD panel is provided with a diffraction grating structure. Under 3D display mode, the light emitted by the backlight module is incident onto the LCD panel through the diffraction grating structure and formed into alternately bright and dark stripe patterns which are arranged laterally and extending lengthways, wherein every at least three bright stripe patterns arranged in sequence are considered as a group, and the bright stripe patterns in each group have colors different from each other. The display device not only reduces the entire thickness, but also improves the transmittance and reduces the power consumption, accordingly.
    Type: Grant
    Filed: August 25, 2016
    Date of Patent: November 26, 2019
    Assignees: BOE Technology Group Co., Ltd., Beijing BOE Optoelectronics Technology Co., Ltd.
    Inventors: Xiaochen Niu, Xue Dong, Xiaochuan Chen, Wenqing Zhao, Jian Gao, Pengcheng Lu, Ming Yang, Qian Wang, Rui Xu, Lei Wang
  • Publication number: 20190353962
    Abstract: Disclosed is a liquid crystal display device comprising an array substrate and an opposite substrate arranged facing the array substrate, and further comprises a liquid crystal composition located between said array substrate and the opposite substrate, wherein said array substrate comprises elongated and evenly spaced slit electrodes and electrode gaps between the slit electrodes, with the slit electrodes and the electrode gaps said being located in the same layer structure; said array substrate comprises a bulk electrode below the slit electrodes; and said array substrate further comprises an insulating layer between the slit electrodes and the bulk electrode. The liquid crystal display device has a higher light transmittance, such that more backlight passes through the liquid crystal display device, resulting in the liquid crystal display device having a higher luminance.
    Type: Application
    Filed: August 22, 2018
    Publication date: November 21, 2019
    Applicant: SHIJIAZHUANG CHENGZHI YONGHUA DISPLAY MATERIAL CO ., LTD.
    Inventors: Xuefeng LI, Kelun SHU, Kai XU, Lihong GUI, Qian ZHANG, Zhengqiang LI, Yunxia QIAO, Qing CUI
  • Publication number: 20190353963
    Abstract: Disclosed is a liquid crystal display device comprising an array substrate and an opposite substrate arranged facing the array substrate, wherein the structure of said array substrate comprises elongated and evenly spaced slit electrodes and electrode gaps between the slit electrodes, and said opposite substrate comprises a bulk electrode; and further comprises a liquid crystal composition between said array substrate and the opposite substrate. The liquid crystal display device has a higher light transmittance, such that more backlight passes through the liquid crystal display device, resulting in the liquid crystal display device having a higher luminance.
    Type: Application
    Filed: August 22, 2018
    Publication date: November 21, 2019
    Applicant: SHIJIAZHUANG CHENGZHI YONGHUA DISPLAY MATERIAL CO., LTD.
    Inventors: Xuefeng LI, Kelun SHU, Kai XU, Lihong GUI, Qian ZHANG, Zhengqiang LI, Yunxia QIAO, Qing CUI, Wenxiao XING
  • Patent number: 10481405
    Abstract: A 3D display device includes a display panel for displaying an image and a grating structure cooperating with the display panel to provide a 3D display effect. The grating structure includes a plurality of gratings capable of being switched between a transparent state and a nontransparent state. The 3D display device further includes: an eye tracking unit configured to acquire positions of eyes of a viewer; and a control unit connected to the eye tracking unit and configured to control the gratings to be switched between the transparent state and the nontransparent state in accordance with the positions of the eyes of the viewer, to enable a left eye of the viewer to view a first view displayed on the display panel through the grating structure and enable a right eye of the viewer to view a second view displayed on the display panel through the grating structure.
    Type: Grant
    Filed: January 5, 2016
    Date of Patent: November 19, 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: 10477193
    Abstract: A 3D display device and a method of driving the same are disclosed in the present disclosure. An electroluminescence display panel instead of a conventional backlight module is adopted to be arranged behind the liquid crystal display panel. In the 3D display mode, light emitting areas and black areas alternately arranged in both the row direction and the column direction are formed in the electroluminescent display panel, so that an abnormal grating structure is formed. In the 3D display mode, the first sub-pixels corresponding to the same light emitting area are controlled to display different gray level information so that the left and right eyes of a person located at two viewpoints receive an image of different gray level information. Therefore, stereoscopic vision is created and a naked-eye 3D display at the sub-pixel level is achieved.
    Type: Grant
    Filed: August 10, 2016
    Date of Patent: November 12, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Jian Gao, Xue Dong, Xiaochuan Chen, Wenqing Zhao, Pengcheng Lu, Xiaochen Niu, Ming Yang, Qian Wang, Pengpeng Wang, Rui Xu
  • Patent number: 10473944
    Abstract: A display device, a glasses-free three-dimensional display system and virtual reality (VR) glasses are disclosed. The display device includes a backlight; a polarizer disposed on a light-emitting side of the backlight and a plurality of liquid crystal displays (LCDs) stacked on a light-emitting side of the polarizer. Each LCD includes a plurality of light adjusting units; the light adjusting units of the plurality of LCDs are staggered from each other; and the light adjusting unit is configured to allow light emitted by the backlight to be refracted and emitted to a target position or be totally reflected.
    Type: Grant
    Filed: October 24, 2016
    Date of Patent: November 12, 2019
    Assignees: BOE Technology Group Co., Ltd., Beijing BOE Optoelectronics Technology Co., Ltd.
    Inventors: Ming Yang, Qian Wang, Xiaochuan Chen, Wenqing Zhao, Pengcheng Lu, Rui Xu, Lei Wang, Xiaochen Niu, Jian Gao, Haisheng Wang
  • Patent number: 10473272
    Abstract: A lighting device comprises a holder for LED filaments. The holder has a first electrically conductive holding structure and a second electrically conductive holding structure. Each holding structure comprises an essentially longitudinal connection section and an attachment section essentially perpendicular to the connection section.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: November 12, 2019
    Assignee: LEDVANCE GMBH
    Inventors: Lene Haberkorn, HuaLi Yu, Klaus Eckert, Baijin Xu, Lambert Frye, Jitao Liu, Qian Xie, Liqin Li
  • Publication number: 20190342768
    Abstract: It is recognized herein that as the number of transmit antennas in cellular systems (e.g., NR or 5G systems) increase, the Channel State information (CSI) feedback overhead may increase to unacceptable levels, and the current CSI feedback might not support beamforming training for NR. Embodiments described herein provide an enhanced and more efficient design for Channel State Information feedback as compared to current approaches.
    Type: Application
    Filed: August 11, 2017
    Publication date: November 7, 2019
    Inventors: Tianyi XU, Qian ZHANG, Allan Y. TSAI, Guodong ZHANG, Lakshmi R. IYER, Qing LI
  • Publication number: 20190341399
    Abstract: Embodiments of interconnect structures of a three-dimensional (3D) memory device and method for forming the interconnect structures are disclosed. In an example, a 3D NAND memory device includes a semiconductor substrate, an alternating layer stack disposed on the semiconductor substrate, and a dielectric structure, which extends vertically through the alternating layer stack, on an isolation region of the substrate. Further, the alternating layer stack abuts a sidewall surface of the dielectric structure and the dielectric structure is formed of a dielectric material. The 3D memory device additionally includes one or more through array contacts that extend vertically through the dielectric structure and the isolation region, and one or more channel structures that extend vertically through the alternating layer stack.
    Type: Application
    Filed: July 27, 2018
    Publication date: November 7, 2019
    Applicant: Yangtze Memory Technologies Co., Ltd.
    Inventors: Qian TAO, Yushi HU, Zhenyu LU, Li Hong XIAO, Xiaowang DAI, Yu Ting ZHOU, Zhao Hui TANG, Mei Lan GUO, ZhiWu TANG, Qinxiang WEI, Qianbing XU, Sha Sha LIU, Jian Hua SUN, Enbo WANG
  • Patent number: 10468471
    Abstract: A pixel structure is disclosed. The pixel structure includes a plurality of sub-pixel groups arranged in an array, wherein each sub-pixel group is constituted by 6 sub-pixels of different colors arranged in two rows and three columns respectively. In each row of the sub-pixels, a square pixel unit is constituted by at most two adjacent sub-pixels. The present application further discloses a display panel and a driving method of said pixel structure.
    Type: Grant
    Filed: February 15, 2017
    Date of Patent: November 5, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Pencheng Lu, Xue Dong, Xiaochuan Chen, Wenqing Zhao, Lei Wang, Ming Yang, Qian Wang, Rui Xu, Jian Gao, Xiaochen Niu, Haisheng Wang, Shengji Yang, Changfeng Li
  • Publication number: 20190334548
    Abstract: Methods and apparatus are provided for unified significance map coding. An apparatus includes a video encoder (400) for encoding transform coefficients for at least a portion of a picture. The transform coefficients are obtained using a plurality of transforms. One or more context sharing maps are generated for the transform coefficients based on a unified rule. The one or more context sharing maps are for providing at least one context that is shared among at least some of the transform coefficients obtained from at least two different ones of the plurality of transforms.
    Type: Application
    Filed: April 4, 2019
    Publication date: October 31, 2019
    Inventors: Xiaoan LU, Joel SOLE, Peng YIN, Qian XU, Yunfei ZHENG
  • Publication number: 20190335176
    Abstract: Methods and apparatus are provided for determining quantization parameter predictors from a plurality of neighboring quantization parameters. An apparatus includes an encoder for encoding image data for at least a portion of a picture using a quantization parameter predictor for a current quantization parameter to be applied to the image data. The quantization parameter predictor is determined using multiple quantization parameters from previously coded neighboring portions. A difference between the current quantization parameter and the quantization parameter predictor is encoded for signaling to a corresponding decoder.
    Type: Application
    Filed: May 10, 2019
    Publication date: October 31, 2019
    Inventors: Xiaoan LU, Joel SOLE, Peng YIN, Qian XU, Yunfei ZHENG
  • Publication number: 20190330177
    Abstract: The present disclosure relates to rotigotine behenate, methods for preparing the same and use of the same for treating diseases associated with dopamine receptor. The rotigotine behenate, the structure of which is shown below, is capable of reducing fluctuation in blood drug concentrations, improving the bioavailability of the drug in vivo, and achieving smooth and extended release of rotigotine.
    Type: Application
    Filed: July 21, 2016
    Publication date: October 31, 2019
    Inventors: Mina YANG, Yongtao JIANG, Ying MENG, Tao WANG, Qian qian XU, Xin SHAO, Chunjie SHA
  • Publication number: 20190316574
    Abstract: A GM cryocooler includes a first cold head including a first displacer that is reciprocable in an axial direction, a first drive piston that drives the first displacer in the axial direction, and a first drive chamber that houses the first drive piston; a second cold head including a second displacer that is reciprocable in the axial direction, and a second cylinder that houses the second displacer; a first intake valve that is connected to both the first drive chamber and the second cylinder so as to supply working gas in parallel to the first drive chamber and the second cylinder; and a first exhaust valve that is connected to both the first drive chamber and the second cylinder so as to collect the working gas in parallel from the first drive chamber and the second cylinder.
    Type: Application
    Filed: May 31, 2019
    Publication date: October 17, 2019
    Applicant: SUMITOMO HEAVY INDUSTRIES, LTD.
    Inventors: Mingyao XU, Qian BAO, Takaaki MORIE
  • Publication number: 20190317240
    Abstract: The present disclosure provides a spiral Computed Tomography (CT) device and a three-dimensional image reconstruction method.
    Type: Application
    Filed: August 4, 2017
    Publication date: October 17, 2019
    Inventors: Zhiqiang CHEN, Ziran ZHAO, Yaohong LIU, Jianping GU, Qian YI, Bicheng LIU, Guangming XU