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: 20220291799
    Abstract: Embodiments of the present disclosure provide a bonding circuit board, one end of which is connected to a display panel, and the other end of which is connected to a host side; the bonding circuit board includes a first sub-section and a second sub-section, which may be bonded and connected to each other, the first sub-section includes at least three first printed circuit layers, which are stacked on one another, and an insulation layer is arranged between any two adjacent first printed circuit layers of the at least three first printed circuit layers; and the second sub-section includes one second printed circuit layer or two second printed circuit layers which are stacked on each other, and the insulation layer is arranged between the two second printed circuit layers.
    Type: Application
    Filed: March 10, 2021
    Publication date: September 15, 2022
    Inventors: Hui WEN, Lianbin LIU, Xu LU, Hengzhen LIANG
  • Publication number: 20220272832
    Abstract: The present disclosure provides a flexible circuit board and a display panel. The flexible circuit board is in a non-display region of a display panel and provided with a driving circuit for driving the display panel thereon. The flexible circuit board includes a first main body portion, a second main body portion, and a foldable portion, and the foldable portion is between the first main body portion and the second main body portion. The foldable portion is capable of being bent to fold the second main body portion such that the second main body portion overlaps the first main body portion.
    Type: Application
    Filed: October 27, 2021
    Publication date: August 25, 2022
    Inventors: Qing GONG, Xu LU, Zijian WANG
  • Patent number: 11410600
    Abstract: The present disclosure relates to the field of display technology, and in particular, to a pixel driving circuit, a pixel driving method, and a display apparatus. The pixel driving circuit includes: a first input device, a second input device, a driving transistor, a compensation sub-circuit, an isolation device, a reset device, and an energy storage device. The disclosure can eliminate the influence of the threshold voltage of the driving transistor and the voltage drop of the wire due to impedance on the driving current, ensuring that the driving currents output by the pixel driving circuits are uniform, thereby ensuring the uniformity of the display brightnesses of the pixel units, and furthermore, the first pole of the light-emitting device is reset to eliminate the influence of the signal of previous frame.
    Type: Grant
    Filed: February 25, 2019
    Date of Patent: August 9, 2022
    Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jia Sun, Xu Lu, Xianyong Gao, Fanjian Zeng
  • Patent number: 11386855
    Abstract: A voltage control circuit is configured to connected to a display panel, the display panel includes a plurality of pixels, the plurality of pixels includes a first pixel and a second pixel, and the first pixel and the second pixel are pixels corresponding to different colors. The voltage control circuit is configured to provide a first voltage to the first pixel and a second voltage to the second pixel at a first time and a second time, respectively; the first voltage provided at the first time is different from the second voltage provided at the first time, and the first voltage provided at the second time is identical with the second voltage provided at the second time.
    Type: Grant
    Filed: May 20, 2020
    Date of Patent: July 12, 2022
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Hengzhen Liang, Xuesong Tian, Wen Xu, Xu Lu
  • Publication number: 20220214790
    Abstract: A touchpad and an electronic device are disclosed. The touchpad includes a touch panel; a plurality of pressure sensors fixed to an elastic bracket and configured to detect a pressure applied on the touch panel; a piezoelectric ceramic assembly including a piezoelectric ceramic plate configured to provide a vibration feedback to a user, where the piezoelectric ceramic assembly is fixed below the touch panel in a suspended manner and spaced from the elastic bracket.
    Type: Application
    Filed: September 23, 2021
    Publication date: July 7, 2022
    Inventors: Rong ZHANG, Zhongbo LUO, Xiaoxia YAN, Xu LU
  • Publication number: 20220210917
    Abstract: A flexible printed circuit and a display device are provided. The flexible printed circuit includes: a plurality of sub-circuit boards arranged in a stack, wherein the plurality of sub-circuit boards include at least a first sub-circuit board and a second sub-circuit board; and a pressure sensor arranged on the first sub-circuit board, wherein the first sub-circuit board includes: a substrate film; a conductive film arranged on a side of the substrate film away from the second sub-circuit board; an adhesive layer arranged on a side of the conductive film away from the substrate film; a cover layer arranged on a side of the adhesive layer away from the substrate film; and an electromagnetic shielding layer arranged on a side of the cover layer away from the substrate film, wherein at least a part of the conductive film is formed as an electrode of the pressure sensor.
    Type: Application
    Filed: December 25, 2020
    Publication date: June 30, 2022
    Inventors: Lianbin Liu, Hengzhen Liang, Xu Lu, Xiaolong Zhu, Qing Gong, Hui Wen, Ting Qin
  • Patent number: 11335238
    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: Grant
    Filed: July 26, 2019
    Date of Patent: May 17, 2022
    Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xianyong Gao, Sijun Lei, Xu Lu, Liang Gao, Shanbin Chen, Bo Ran, Yansheng Sun
  • Publication number: 20220132658
    Abstract: An electronic device, which includes at least a first part and a second part bonded to each other is provided. The first part includes a first bonding area. The first bonding area includes at least one first testing area. The first testing area includes a plurality of testing pads. The second part includes a second boding area corresponding to the first bonding area. The second bonding area includes a plurality of testing terminals, and includes at least one second testing area respectively corresponding to the at least one first testing area. The second testing area includes a plurality of testing pins. The plurality of testing pads, the plurality of testing terminals and the plurality of testing pins are configured to form a current channel and a voltage testing channel, for measuring a resistance of bonded testing pads and testing pins on both the current channel and the voltage testing channel.
    Type: Application
    Filed: May 26, 2021
    Publication date: April 28, 2022
    Inventors: Huan MENG, Qing GONG, Xu LU
  • Patent number: 11308906
    Abstract: The present application discloses a circuit for providing a temperature-dependent common electrode voltage. The circuit includes a sensing sub-circuit coupled between a power-supply terminal and a ground terminal and configured to generate a first voltage for controlling a switching sub-circuit to connect the power-supply terminal to a first node. The circuit further includes a compensation sub-circuit coupled between the first node and the ground terminal and be enabled, when the first voltage decreases below a threshold as temperature increases above a threshold temperature, to output a temperature-dependent second voltage proportional to the temperature to a second node.
    Type: Grant
    Filed: June 12, 2018
    Date of Patent: April 19, 2022
    Assignees: Chongqing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Sijun Lei, Xu Lu, Shuai Hou, Siqing Fu, Yong Long, Ying Zhang, Shanbin Chen, Fanjian Zeng, Zhicai Xu, Sen Tan, Xinghong Liu, Xiangchao Chen, Yunsong Li, Xin Chen, Yuxu Geng
  • Publication number: 20220078949
    Abstract: Disclosed are a display module and a method for manufacturing the same, and a display device. The display module includes: a display panel, a heat dissipation layer, a heat conduction assembly, and a driving chip, wherein the display panel includes a first part and a second part opposite to each other, and a bending part connecting the first part and the second part; the heat dissipation layer is disposed on a side, proximal to the second part, of the first part; the heat conduction assembly is disposed between the heat dissipation layer and the second part; an area of an orthographic projection of the heat conduction assembly on the first part is smaller than an area of an orthographic projection of the heat dissipation layer on the first part; and the driving chip is disposed on a side, distal from the heat conduction assembly, of the second part distal.
    Type: Application
    Filed: September 7, 2021
    Publication date: March 10, 2022
    Inventors: Fei Li, Zhihui Yan, Tianliang Liu, Yifei Wang, Hao Huang, Xu Lu
  • Publication number: 20210405844
    Abstract: A display device includes a controller, a frame, a display panel, an FPC and a force sensing structure; wherein the FPC is disposed on a back side of the display panel and electrically connected to the display panel, and the back side of the display panel is a side opposite to a light-emitting surface of the display panel; the force sensing structure is disposed on the FPC and electrically connected to the controller by the FPC; and the frame is disposed on a side, distal from the display panel, of the FPC, and a specified distance exists between the frame and the force sensing structure.
    Type: Application
    Filed: August 12, 2019
    Publication date: December 30, 2021
    Inventors: Wenxiao Niu, Lianbin Liu, Xu Lu, Hengzhen Liang, Qing Gong, Fan Li, Hui Wen, Wen Xu
  • Publication number: 20210405816
    Abstract: A touch panel, a manufacturing method thereof, and an electronic device are provided. The touch panel includes a main body region and a bending region, and the bending region is an region in which the main body region extends along a first direction, and bends relative to the main body region; the main body region includes a first touch region; the bending region comprises a second touch region; and a distribution density of touch sensors in the second touch region along the bending direction of the bending region is higher than a distribution density of touch sensors in the first touch region along the first direction. The touch panel can effectively compensate the influence of bending on the touch signal amount and effectively improve the touch performance of the touch region located in the bending region.
    Type: Application
    Filed: August 13, 2019
    Publication date: December 30, 2021
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wenxiao NIU, Qing GONG, Xu LU, Lianbin LIU
  • Patent number: 11211023
    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: Grant
    Filed: March 13, 2018
    Date of Patent: December 28, 2021
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Siqing Fu, Xinghong Liu, Xu Lu, Shuai Hou
  • Patent number: 11183129
    Abstract: The disclosure discloses a display control method and apparatus, a computer readable storage medium, and a computer device, where the display control method includes: receiving data of a frame of image to be displayed; determining proportions of numbers of sub-pixels in respective colors at nonzero grayscales in the frame of image to be displayed, according to the data of the frame of image to be displayed; determining a target common voltage value according to the determined proportions; and outputting the target common voltage value to a common electrode to display the image.
    Type: Grant
    Filed: November 26, 2018
    Date of Patent: November 23, 2021
    Assignees: BOE Technology Group Co., Ltd., Chongqing BOE Optoelectronics Technology Co., Ltd.
    Inventors: Shanbin Chen, Xu Lu, Sijun Lei, Yunsong Li, Yong Long, Xin Chen, Peng Zhang
  • Patent number: 11164756
    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: Grant
    Filed: March 9, 2020
    Date of Patent: November 2, 2021
    Assignee: 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: 20210335237
    Abstract: The present disclosure relates to the field of display technology, and in particular, to a pixel driving circuit, a pixel driving method, and a display apparatus. The pixel driving circuit includes: a first input device, a second input device, a driving transistor, a compensation sub-circuit, an isolation device, a reset device, and an energy storage device. The disclosure can eliminate the influence of the threshold voltage of the driving transistor and the voltage drop of the wire due to impedance on the driving current, ensuring that the driving currents output by the pixel driving circuits are uniform, thereby ensuring the uniformity of the display brightnesses of the pixel units, and furthermore, the first pole of the light-emitting device is reset to eliminate the influence of the signal of previous frame.
    Type: Application
    Filed: February 25, 2019
    Publication date: October 28, 2021
    Inventors: Jia SUN, Xu LU, Xianyong GAO, Fanjian ZENG
  • Publication number: 20210327381
    Abstract: The present application discloses a circuit for providing a temperature-dependent common electrode voltage. The circuit includes a sensing sub-circuit coupled between a power-supply terminal and a ground terminal and configured to generate a first voltage for controlling a switching sub-circuit to connect the power-supply terminal to a first node. The circuit further includes a compensation sub-circuit coupled between the first node and the ground terminal and be enabled, when the first voltage decreases below a threshold as temperature increases above a threshold temperature, to output a temperature-dependent second voltage proportional to the temperature to a second node.
    Type: Application
    Filed: June 12, 2018
    Publication date: October 21, 2021
    Applicants: Chongqing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Sijun Lei, Xu Lu, Shuai Hou, Siqing Fu, Yong Long, Ying Zhang, Shanbin Chen, Fanjian Zeng, Zhicai Xu, Sen Tan, Xinghong Liu, Xiangchao Chen, Yunsong Li, Xin Chen, Yuxu Geng
  • Publication number: 20210287613
    Abstract: A voltage control circuit is configured to connected to a display panel, the display panel includes a plurality of pixels, the plurality of pixels includes a first pixel and a second pixel, and the first pixel and the second pixel are pixels corresponding to different colors. The voltage control circuit is configured to provide a first voltage to the first pixel and a second voltage to the second pixel at a first time and a second time, respectively; the first voltage provided at the first time is different from the second voltage provided at the first time, and the first voltage provided at the second time is identical with the second voltage provided at the second time.
    Type: Application
    Filed: May 20, 2020
    Publication date: September 16, 2021
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hengzhen LIANG, Xuesong TIAN, Wen XU, Xu LU
  • Patent number: 11094270
    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: Grant
    Filed: March 25, 2019
    Date of Patent: August 17, 2021
    Assignees: Chongqing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xianyong Gao, Qiang Yu, Fanjian Zeng, Siqing Fu, Xu Lu, Liang Gao, Sijun Lei
  • Patent number: 11087690
    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: Grant
    Filed: March 19, 2019
    Date of Patent: August 10, 2021
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xu Lu, Hengzhen Liang, Xiaolong Zhu, Lianbin Liu, Fan Li, Shihao Wang, Huan Meng, Wen Xu