Patents by Inventor Xu Lu

Xu Lu 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: 20210225300
    Abstract: A liquid crystal display (LCD) and a driving method thereof are disclosed. The LCD includes: an LCD panel, a grayscale voltage output portion and a grayscale voltage adjusting portion. The LCD panel includes a deformation area formed by bonding of a driver integrated circuit, and the deformation area includes a first subpixel. The grayscale voltage output portion is configured to output a first grayscale voltage to the first subpixel. The grayscale voltage adjusting portion is configured to adjust the first grayscale voltage into a second grayscale voltage, so that a brightness of the first subpixel at the second grayscale voltage is less than a brightness of the first subpixel at the first grayscale voltage.
    Type: Application
    Filed: February 24, 2018
    Publication date: July 22, 2021
    Inventors: Xianyong GAO, Shuai HOU, Xu LU, Qiang YU, Fanjian ZENG, Xinxin WU, Fei SHANG
  • Publication number: 20210225315
    Abstract: A display method of a display device and the display device are provided. The display method includes: acquiring an abnormality of signal of a front-end system; outputting a normal timing signal and a specified data signal to a display panel, until an end of a current frame.
    Type: Application
    Filed: March 13, 2018
    Publication date: July 22, 2021
    Inventors: Siqing FU, Xinghong LIU, Xu LU, Shuai HOU
  • Patent number: 11037503
    Abstract: Disclosed are a gate driving apparatus for a pixel array and a driving method therefor. The pixel array includes N gate lines. The gate driving apparatus includes: a plurality of gate drivers, wherein the N gate lines are divided into a plurality of groups, each group includes a plurality of gate lines, each gate driver corresponds to the plurality of groups on a one-to-one basis, and is used for generating a gate driving signal for the plurality of gate lines in the group corresponding thereto; and a driver control module which is used for generating a plurality of driver control signals corresponding to the plurality of gate drivers on a one-to-one basis, and state switching between any two driver control signals has at least a difference of first time, wherein under control of the driver control signals, the gate drivers are switched from first state to second state in sequence.
    Type: Grant
    Filed: March 18, 2020
    Date of Patent: June 15, 2021
    Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO.. LTD.
    Inventors: Lijun Xiao, Yihjen Hsu, Shuai Hou, Xu Lu, Fei Shang
  • Publication number: 20210132730
    Abstract: The present application provides a method for device cover opening and closing detection, which could effectively detect a cover opening and closing state of a device. The method is executed by a touch controller in a touch pad of an electronic device, and the method includes: obtaining a detecting signal output by an output channel of the touch pad; and determining whether a cover opening and closing state of the electronic device varies according to a variation situation of the detecting signal.
    Type: Application
    Filed: September 8, 2020
    Publication date: May 6, 2021
    Inventors: Haiquan HUANG, Xu LU
  • Patent number: 10991336
    Abstract: A voltage adjustment method, a voltage adjustment device and a display device are provided. The voltage adjustment method is applied to a display device, and includes: determining an offset reference voltage, the offset reference voltage is smaller than or equal to a voltage obtained by subtracting a minimum gamma voltage of the display device from a minimum initial pixel voltage among initial pixel voltages of all pixels on a display screen of a current frame of the display device; decreasing a common voltage of the display device by the offset reference voltage; and decreasing an initial pixel voltage of each pixel on the display screen of the current frame of the display device by the offset reference voltage.
    Type: Grant
    Filed: April 11, 2019
    Date of Patent: April 27, 2021
    Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xu Lu, Siqing Fu, Xinghong Liu, Yunsong Li
  • Patent number: 10971070
    Abstract: The present disclosure provides a driver circuit and its working method and a display device. The driver circuit includes: a driver chip coupled with a plurality of signal lines; a plurality of signal line leads that are corresponding to the plurality of signal lines in a one-to-one manner; and a plurality of short-circuit shielding circuits that are corresponding to the plurality of signal line leads in a one-to-one manner. Each of the plurality of short-circuit shielding circuits is coupled between corresponding one of the plurality of signal line leads and corresponding one of the plurality of signal lines, and is configured to turn on or off a connection between the corresponding one of the plurality of signal line leads and the corresponding one of the plurality of signal lines.
    Type: Grant
    Filed: November 4, 2019
    Date of Patent: April 6, 2021
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lianbin Liu, Hengzhen Liang, Chuanyan Lan, Xu Lu, Hui Wen, Shihao Wang
  • Patent number: 10971100
    Abstract: The present disclosure provides a driving method of a display panel, the display panel including a plurality of pixels, each row of pixels correspond to a gate line, each column of pixels correspond to a data line, the driving method including: comparing a current frame of image with a previous frame of image to determine a non-changing row of the pixels, contents displayed by each pixel in the non-changing row for the current frame of image and contents displayed by each pixel in the non-changing row for the previous frame of image are the same; selecting a non-charging row from the non-changing row according to a predetermined time; providing, when displaying the current frame of image, an invalid signal to the gate line of the non-charging row during a scanning time for the gate line of the non-charging row to not to charge the non-charging row.
    Type: Grant
    Filed: August 9, 2019
    Date of Patent: April 6, 2021
    Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ying Zhang, Sijun Lei, Xu Lu, Xianyong Gao, Shoujun Xiao, Yifan Huangfu, Zhicai Xu, Bo Ran, Yongli Ge
  • Patent number: 10964286
    Abstract: A voltage providing circuit includes a first voltage output end, a temperature-sensitive element, a power supply circuit and an output circuit. The power supply circuit is configured to apply a control voltage signal to a control end of the temperature-sensitive element. The temperature-sensitive element is configured to, under the control of the control voltage signal, generate a temperature-related voltage, and output the temperature-related voltage via a first end of the temperature-sensitive element, and a value of the temperature-related voltage changes along with an ambient temperature of the temperature-sensitive element. The output circuit is configured to output a temperature-adaptive voltage via the first voltage output end. A difference between a value of the temperature-adaptive voltage and the value of the temperature-related voltage is within a predetermined range.
    Type: Grant
    Filed: April 29, 2019
    Date of Patent: March 30, 2021
    Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yunsong Li, Sijun Lei, Xu Lu, Liang Gao, Xianyong Gao, Shuai Hou, Yongli Ge, Yong Long, Ying Zhang, Shanbin Chen, Peng Zhang, Xiangchao Chen, Yuxu Geng, Fanjian Zeng, Zhicai Xu
  • Patent number: 10879320
    Abstract: An organic light-emitting display panel has a display region including a fingerprint recognition region and light-emitting devices for displaying image, the display panel includes a driving device layer, an anode layer, a pixel definition layer, an organic light-emitting layer, and a cathode layer sequentially stacked; and an optical fingerprint recognition sensor located in the fingerprint recognition region and located at a side of the driving device layer away from the anode layer; the pixel definition layer includes sub-pixel openings corresponding to the light-emitting devices, each light-emitting device includes an anode corresponding to one sub-pixel opening, the anode being located in the anode layer and overlapping with a corresponding sub-pixel opening, the organic light-emitting layer is located in each sub-pixel opening, and the cathode layer overlaps with each sub-pixel opening; in the fingerprint recognition region, at least part of the light-emitting devices each have an anode being a transpare
    Type: Grant
    Filed: September 17, 2019
    Date of Patent: December 29, 2020
    Assignee: Shanghai Tianma AM-OLED Co., Ltd.
    Inventors: Pengjuan Zhu, Zhiyong Xiong, Xu Lu
  • Publication number: 20200350375
    Abstract: An organic light-emitting display panel has a display region including a fingerprint recognition region and light-emitting devices for displaying image, the display panel includes a driving device layer, an anode layer, a pixel definition layer, an organic light-emitting layer, and a cathode layer sequentially stacked; and an optical fingerprint recognition sensor located in the fingerprint recognition region and located at a side of the driving device layer away from the anode layer; the pixel definition layer includes sub-pixel openings corresponding to the light-emitting devices, each light-emitting device includes an anode corresponding to one sub-pixel opening, the anode being located in the anode layer and overlapping with a corresponding sub-pixel opening, the organic light-emitting layer is located in each sub-pixel opening, and the cathode layer overlaps with each sub-pixel opening; in the fingerprint recognition region, at least part of the light-emitting devices each have an anode being a transpare
    Type: Application
    Filed: September 17, 2019
    Publication date: November 5, 2020
    Applicant: Shanghai Tianma AM-OLED Co.,Ltd.
    Inventors: Pengjuan Zhu, Zhiyong Xiong, Xu Lu
  • Publication number: 20200335029
    Abstract: A signal transmission method is applied to a receiving terminal so as to improve the anti-interference capability of the signals on the transmission line, and the signal transmission method includes: receiving a signal sent by a transmitting terminal through a transmission line; detecting whether there is a transmission error in the received signal; and when there is a transmission error in the received signal, adjusting at least one parameter of specified parameters affecting an anti-interference capability of signals on the transmission line, and/or controlling the transmitting terminal to adjust the at least one parameter of the specified parameters affecting the anti-interference capability of signals on the transmission line.
    Type: Application
    Filed: July 26, 2019
    Publication date: October 22, 2020
    Inventors: Xianyong GAO, Sijun LEI, Xu LU, Liang GAO, Shanbin CHEN, Bo RAN, Yansheng SUN
  • Publication number: 20200302865
    Abstract: The present disclosure provides a display substrate, a display device, a control method and a control circuit. The display substrate includes a bending area. The bending area includes a plurality of first sub-pixels and a plurality of other sub-pixels having a light emission color different from a light emission color of the first sub-pixels. The plurality of first sub-pixels are electrically connected to a first power supply voltage terminal for providing a first power supply voltage. The other sub-pixels are electrically connected to other power supply voltage terminals different from the first power supply voltage terminal.
    Type: Application
    Filed: March 19, 2019
    Publication date: September 24, 2020
    Inventors: Xu LU, Hengzhen LIANG, Xiaolong ZHU, Lianbin LIU, Fan LI, Shihao WANG, Huan MENG, Wen XU
  • Publication number: 20200258469
    Abstract: A voltage adjustment method, a voltage adjustment device and a display device are provided. The voltage adjustment method is applied to a display device, and includes: determining an offset reference voltage, the offset reference voltage is smaller than or equal to a voltage obtained by subtracting a minimum gamma voltage of the display device from a minimum initial pixel voltage among initial pixel voltages of all pixels on a display screen of a current frame of the display device; decreasing a common voltage of the display device by the offset reference voltage; and decreasing an initial pixel voltage of each pixel on the display screen of the current frame of the display device by the offset reference voltage.
    Type: Application
    Filed: April 11, 2019
    Publication date: August 13, 2020
    Applicants: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xu LU, Siqing FU, Xinghong LIU, Yunsong LI
  • Publication number: 20200219452
    Abstract: Disclosed are a gate driving apparatus for a pixel array and a driving method therefor. The pixel array includes N gate lines. The gate driving apparatus includes: a plurality of gate drivers, wherein the N gate lines are divided into a plurality of groups, each group includes a plurality of gate lines, each gate driver corresponds to the plurality of groups on a one-to-one basis, and is used for generating a gate driving signal for the plurality of gate lines in the group corresponding thereto; and a driver control module which is used for generating a plurality of driver control signals corresponding to the plurality of gate drivers on a one-to-one basis, and state switching between any two driver control signals has at least a difference of first time, wherein under control of the driver control signals, the gate drivers are switched from first state to second state in sequence.
    Type: Application
    Filed: March 18, 2020
    Publication date: July 9, 2020
    Inventors: Lijun XIAO, Yihjen HSU, Shuai HOU, Xu LU, Fei SHANG
  • Publication number: 20200219449
    Abstract: The present disclosure provides a driver circuit and its working method and a display device. The driver circuit includes: a driver chip coupled with a plurality of signal lines; a plurality of signal line leads that are corresponding to the plurality of signal lines in a one-to-one manner; and a plurality of short-circuit shielding circuits that are corresponding to the plurality of signal line leads in a one-to-one manner. Each of the plurality of short-circuit shielding circuits is coupled between corresponding one of the plurality of signal line leads and corresponding one of the plurality of signal lines, and is configured to turn on or off a connection between the corresponding one of the plurality of signal line leads and the corresponding one of the plurality of signal lines.
    Type: Application
    Filed: November 4, 2019
    Publication date: July 9, 2020
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lianbin LIU, Hengzhen LIANG, Chuanyan LAN, Xu LU, Hui WEN, Shihao WANG
  • Publication number: 20200211863
    Abstract: The present disclosure relates to a semiconductor device package including a substrate, a semiconductor device and an underfill. The substrate has a first surface and a second surface angled with respect to the first surface. The semiconductor device is mounted on the first surface of the substrate and has a first surface facing the first surface of the substrate and a second surface angled with respect to the first surface of the substrate. The underfill is disposed between the first surface of the semiconductor device and the first surface of the substrate. The second surface of the substrate is located in the substrate and external to a vertical projection of the semiconductor device on the first surface of the substrate.
    Type: Application
    Filed: March 9, 2020
    Publication date: July 2, 2020
    Applicant: Advanced Semiconductor Engineering, Inc.
    Inventors: Ying-Xu LU, Tang-Yuan CHEN, Jin-Yuan LAI, Tse-Chuan CHOU, Meng-Kai SHIH, Shin-Luh TARNG
  • Publication number: 20200211484
    Abstract: A display device and a drive method, the display device including: an edge-lit backlight module; a liquid crystal display panel positioned on the light-emergent side of the edge-lit backlight module; and a polymer liquid crystal film positioned between the liquid crystal display panel and the edge-lit backlight module, and including a plurality of closely arranged independent dimming areas, each dimming area being configured for independent control of light transmittance. The present display device takes advantage of the characteristics of the polymer liquid crystal film, loading different driving voltages in different dimming areas and changing the transmittance of the polymer liquid crystal film.
    Type: Application
    Filed: March 25, 2019
    Publication date: July 2, 2020
    Inventors: Xianyong GAO, Qiang YU, Fanjian ZENG, Siqing FU, Xu LU, Liang GAO, Sijun LEI
  • Patent number: 10658560
    Abstract: Thermoelectric materials based on tetrahedrite structures for thermoelectric devices and methods for producing thermoelectric materials and devices are disclosed.
    Type: Grant
    Filed: May 24, 2017
    Date of Patent: May 19, 2020
    Assignees: Board of Trustees of Michigan State University, The Regents of the University of California
    Inventors: Donald T. Morelli, Xu Lu, Vidvuds Ozolins
  • Patent number: 10629129
    Abstract: Disclosed are a gate driving apparatus for a pixel array and a driving method therefor. The pixel array includes N gate lines. The gate driving apparatus includes: a plurality of gate drivers, wherein the N gate lines are divided into a plurality of groups, each group includes a plurality of gate lines, each gate driver corresponds to the plurality of groups on a one-to-one basis, and is used for generating a gate driving signal for the plurality of gate lines in the group corresponding thereto; and a driver control module which is used for generating a plurality of driver control signals corresponding to the plurality of gate drivers on a one-to-one basis, and state switching between any two driver control signals has at least a difference of first time, wherein under control of the driver control signals, the gate drivers are switched from first state to second state in sequence.
    Type: Grant
    Filed: September 13, 2016
    Date of Patent: April 21, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Lijun Xiao, Yihjen Hsu, Shuai Hou, Xu Lu, Fei Shang
  • Patent number: 10622534
    Abstract: Thermoelectric materials based on tetrahedrite structures for thermoelectric devices and methods for producing thermoelectric materials and devices are disclosed. The thermoelectric device has a pair of conductors and a p-type thermoelectric material disposed between the conductors. The thermoelectric material is at least partially formed of a hot pressed high energy milled tetrahedrite formed of tetrahedrite ore and pure elements to form a tetrahedrite powder of Cu12-xMxSb4S13 disposed between the conductors, where M is at least one of Zn and Fe.
    Type: Grant
    Filed: July 3, 2014
    Date of Patent: April 14, 2020
    Assignee: Board of Trustees of Michigan State University
    Inventors: Donald T. Morelli, Xu Lu