Patents by Inventor Lei Lv

Lei Lv 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: 20210343567
    Abstract: The present disclosure relates to a method for manufacturing a micro LED display substrate. The method may include forming an array of micro LEDs on an epitaxial wafer; transferring the array of micro LEDs on the epitaxial wafer to an adhesive layer on a surface of a transfer substrate assembly; and transferring the array of micro LEDs on the surface of the transfer substrate assembly onto corresponding pads on a driving substrate respectively.
    Type: Application
    Filed: March 25, 2019
    Publication date: November 4, 2021
    Applicants: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Bo Han, Jianwei Qin, Lei Lv, Dongmei Xie
  • Publication number: 20210265587
    Abstract: Provided are a display panel and a display device. The display panel includes a transparent display region and a non-transparent display region. The display panel comprises at least a first cathode and a second cathode; the transparent display region corresponds to the first cathode; the non-transparent display region corresponds to the second cathode; a first work function of the first cathode is greater than a second work function of the second cathode; and the first work function of the first cathode and the second working function of the second cathode are respectively in a range from 3.8 eV to 4.1 eV.
    Type: Application
    Filed: May 7, 2021
    Publication date: August 26, 2021
    Inventor: Lei LV
  • Publication number: 20210225509
    Abstract: The present disclosure provides a method, apparatus and system for guiding diagnosis-and-treatment, and a computer readable storage medium. The method for guiding diagnosis-and-treatment includes the following steps: acquiring basic process information of the diagnosis-and-treatment; determining flow progress information; and generating a diagnosis-and-treatment flowchart and corresponding status indication information according to the basic flow information and the flow progress information, wherein the status indication information indicates a status progress of at least one flow-stage in the diagnosis-and-treatment flowchart.
    Type: Application
    Filed: January 8, 2020
    Publication date: July 22, 2021
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiaoyang WANG, Guangyu SHAO, Lei LV, Wenjuan LI, Chaozheng LIU, Jiankun ZHANG, Haifeng LIU, Rong DAI, Dachuan WANG
  • Publication number: 20210151519
    Abstract: A display substrate, a manufacturing method of the display substrate and a display device are provided. The display substrate includes a plurality of sub-pixels arranged in an array in a display area. The display area includes a boundary extending in non-straight line. The plurality of sub-pixels arranged in the array include a plurality of first sub-pixels whose distances to the boundary extending in non-straight line are less than a preset threshold and a plurality of second sub-pixels other than the plurality of first sub-pixels, where at least one of the first sub-pixels is smaller in area than each of the second sub-pixels.
    Type: Application
    Filed: April 17, 2019
    Publication date: May 20, 2021
    Inventors: Lei Lv, Bo Han, Fei Xu, Jie Gao, Jun Hong, Jiuyang Zhu, Mingwei Zhang, JIngyong Li, Chunmin Xu
  • Patent number: 10943281
    Abstract: A computer-implemented method for searching information and an electronic device are disclosed. The method includes: receiving, at one or more computing devices, a search term; acquiring, at the one or more computing devices, a 3D search result corresponding to the search term if the search term includes a 3D search requirement, in which the 3D search result includes a 3D picture and one or more service items corresponding to the 3D picture; displaying, at the one or more computing devices, the 3D search result; determining, at the one or more computing devices, a service item selected by a user; and processing, at the one or more computing devices, the 3D picture according to the service item. The method can provide a service on the basis of the 3D search result when the user has the 3D search requirement, thereby better satisfying the user' requirement and improving the user experience.
    Type: Grant
    Filed: July 13, 2015
    Date of Patent: March 9, 2021
    Assignee: BAIDU ONLINE NETWORK TECHNOLOGY (BEIJING) CO., LTD.
    Inventors: Jizhou Huang, Shaolei Ding, Lu Wan, He Qu, Zhi Jin, Lei Lv
  • Patent number: 10916166
    Abstract: The present disclosure provides a shift register unit, which comprises: a pull-down node control circuit, connected to a control node and a pull-down node, and configured to control a change in a potential of the pull-down node according to a potential of the control node, where the potential of the control node and the potential of the pull-down node are inversed in phase; and a first potential regulating circuit, connected to an upper-stage pull-up node and the control node, and configured to: transmit a potential of the upper-stage pull-up node to the control node when the potential of the upper-stage pull-up node is an effective operating potential; and disconnect a connection between the control node and the upper-stage pull-up node when the potential of the upper-stage pull-up node is not an effective operating potential.
    Type: Grant
    Filed: September 20, 2018
    Date of Patent: February 9, 2021
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Lei Lv, Jie Gao, Chunmin Xu
  • Publication number: 20200358041
    Abstract: A display panel, a manufacturing method thereof, and a display device. The manufacturing method includes: providing a pretreatment solution containing a water-soluble organic protective agent, and forming, on an anode, a solution layer covering the anode; drying the solution layer to form an adhesive layer; removing the adhesive layer; and drying the anode; where the pretreatment solution contains 10-30% by weight of propylene glycol methyl ether and 70-90% by weight of water.
    Type: Application
    Filed: July 29, 2020
    Publication date: November 12, 2020
    Applicant: YUNGU (GU'AN) TECHNOLOGY CO., LTD.
    Inventors: Shengfang LIU, Ying HUANG, Xueyuan LI, Ping ZHU, Lei LV, Yibo ZHANG
  • Publication number: 20200312945
    Abstract: Display panel, manufacturing method thereof, and display device are provided. As an example, the display panel includes a substrate, a TFT layer formed on the substrate, and an encapsulation layer formed on the TFT layer. The TFT layer includes a thin film transistor with a source electrode, a drain electrode and a gate electrode, and further includes a first metal layer, a first inorganic layer on the first metal layer, and a second metal layer on the first inorganic layer. The second metal layer includes a first region and a second region, a hollowed-out region is formed between the first region and the second region, and the first region and the second region are electrically connected via the first metal layer. A portion of the encapsulation layer that is located in the hollowed-out region is in contact with the first inorganic layer.
    Type: Application
    Filed: June 16, 2020
    Publication date: October 1, 2020
    Applicant: Yungu (Gu'an) Technology Co., Ltd.
    Inventors: Ping ZHU, Xueyuan LI, Shengfang LIU, Ying HUANG, Qingqing DONG, Lei LV
  • Patent number: 10780561
    Abstract: Embodiments of the present invention provide a detaching tool The detaching tool includes a detaching plate. A detaching part of the detaching plate is adapted to be inserted between a printed circuit board and a backlight source back plate. The detaching tool is configured to separate and detach the PCBA, adhered to the backlight source back plate, from the backlight source back plate.
    Type: Grant
    Filed: June 17, 2016
    Date of Patent: September 22, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Hailong Gao, Lizhao Hou, Ji Zhang, Wei Zhang, Yanhong Liu, Lei Lv, Dandan Xin
  • Patent number: 10782823
    Abstract: Embodiments of the present disclosure include a touch detection method and a touch detection device. The touch detection method includes: performing, by a touch detector, a touch scan detection at a first detection frequency; and switching, by the touch detector to perform the touch scan detection at a second detection frequency in response to a touch point that is detected by the touch detector, wherein the second detection frequency is higher than the first detection frequency.
    Type: Grant
    Filed: September 12, 2018
    Date of Patent: September 22, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Lei Lv, Bo Liu, Fei Xu
  • Patent number: 10719163
    Abstract: The embodiments of the invention disclose an object determining method, a portable device, an object displaying method, an object switching method and an electronic device. Said method is applied to a touch sensitive portable device. Identifications of multiple objects are displayed within a display area of said portable device. Each of the identifications of said multiple objects has a first status of being selected and a second status of being unselected. Said display area has a first area, the identification of a first object is displayed in the first area, and the first object is in the first status.
    Type: Grant
    Filed: December 30, 2013
    Date of Patent: July 21, 2020
    Assignees: BEIJING LENOVO SOFTWARE LTD., LENOVO (BEIJING) CO., LTD.
    Inventors: Lei Lv, Ming Cai, Yuan Yao
  • Patent number: 10686016
    Abstract: An organic light emitting display panel and apparatus, and a manufacturing method therefor are provided. The organic light emitting display panel includes a plurality of light emitting units, the light emitting unit includes an anode, a first auxiliary functional structure, a light emitting structure and a cathode, the anode, the first auxiliary functional structure, the light emitting structure and the cathode are successively laminated, and the first auxiliary functional structures of different light emitting units are arranged separate from one another, the anodes of different light emitting units are arranged separate from one another, and the light emitting structures of different light emitting units are arranged separate from one another.
    Type: Grant
    Filed: June 1, 2017
    Date of Patent: June 16, 2020
    Assignees: SHANGHAI TIANMA AM-OLED CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Zhihong Lei, Jinghua Niu, Xiangcheng Wang, Lei Lv, Shuang Cheng
  • Patent number: 10642406
    Abstract: A touch display panel, a driving method thereof and a touch display device are disclosed. The touch display panel includes a base substrate, a plurality of touch electrode blocks in an array disposed on the base substrate, and touch wires, and further includes a switching transistor, a storage capacitor, a first control chip and a second control chip. The switching transistor has a gate electrode connected to the first control chip, a source electrode connected to an end of the storage capacitor and a drain electrode connected to the touch electrode block; the first control chip is configured to output a first control signal to control the switching transistor to be turned off, and output a second control signal to control the switching transistor to be turned on; and the second control chip is configured to output a charging signal to charge the storage capacitor.
    Type: Grant
    Filed: August 14, 2017
    Date of Patent: May 5, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Lei Lv, Fei Xu
  • Patent number: 10497879
    Abstract: Embodiments of the present invention disclose an organic light-emitting display panel and an organic light-emitting display device. The organic light-emitting display panel includes: a first electrode, a hole injection layer, a light-emitting layer and a second electrode that are stacked in turn; wherein, the material of the hole injection layer includes an organic material and a conductive metal oxide, or the hole injection layer is formed by stacking an organic material film layer and a conductive metal oxide film layer.
    Type: Grant
    Filed: June 8, 2017
    Date of Patent: December 3, 2019
    Assignees: Shanghai Tianma AM-OLED Co., Ltd., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Zhihong Lei, Jinghua Niu, Xiangcheng Wang, Lei Lv
  • Publication number: 20190171329
    Abstract: Embodiments of the present disclosure include a touch detection method and a touch detection device. The touch detection method includes: performing, by a touch detector, a touch scan detection at a first detection frequency; and switching, by the touch detector to perform the touch scan detection at a second detection frequency in response to a touch point that is detected by the touch detector, wherein the second detection frequency is higher than the first detection frequency.
    Type: Application
    Filed: September 12, 2018
    Publication date: June 6, 2019
    Inventors: Lei LV, Bo LIU, Fei XU
  • Patent number: 10290271
    Abstract: A display panel, a display device and a display method thereof are provided. The display method includes: detecting a position of a visual focus at a display panel; allocating sub-pixels outside a predetermined region around the position of a visual focus at a display panel into a first region; generating a conversion image based on a predetermined image, where the predetermined image has predetermined gray scales for the sub-pixels, and the conversion image has conversion gray scales for the sub-pixels; at the first region, the conversion gray scale of one of two adjacent sub-pixels in a row direction is zero, and the conversion gray scale of one of two adjacent sub-pixels in a column direction is zero; in the conversion image, the conversion gray scales and the predetermined gray scales of the sub-pixels outside the first region are identical; and controlling the sub-pixels to display based on the conversion gray scales of the sub-pixels in the conversion image.
    Type: Grant
    Filed: December 22, 2017
    Date of Patent: May 14, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Lei Lv
  • Publication number: 20190096308
    Abstract: The present disclosure provides a shift register unit, which comprises: a pull-down node control circuit, connected to a control node and a pull-down node, and configured to control a change in a potential of the pull-down node according to a potential of the control node, where the potential of the control node and the potential of the pull-down node are inversed in phase; and a first potential regulating circuit, connected to an upper-stage pull-up node and the control node, and configured to: transmit a potential of the upper-stage pull-up node to the control node when the potential of the upper-stage pull-up node is an effective operating potential; and disconnect a connection between the control node and the upper-stage pull-up node when the potential of the upper-stage pull-up node is not an effective operating potential.
    Type: Application
    Filed: September 20, 2018
    Publication date: March 28, 2019
    Applicants: BOE Technology Group Co., Ltd., Hefei BOE Optoelectronics Technology Co., Ltd.
    Inventors: Lei Lv, Jie Gao, Chunmin Xu
  • Patent number: 10170730
    Abstract: A vacuum evaporation device, a vacuum evaporation method, and an organic light-emitting display panel are provided. The vacuum evaporation device comprises at least a first evaporation chamber. The first evaporation chamber includes at least one first organic material evaporation source and at least one first metal evaporation source. The at least one first organic material evaporation source is configured to evaporate a first organic material, and the at least one first metal evaporation source is configured to evaporate a first metal material. The at least one first organic material evaporation source and the at least one first metal evaporation source are controlled to perform evaporation simultaneously to generate blend doping of a first organic material and a first metal material on a substrate disposed within the first evaporation chamber.
    Type: Grant
    Filed: April 13, 2017
    Date of Patent: January 1, 2019
    Assignees: SHANGHAI TIANMA AM-OLED CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Yuji Hamada, Jinghua Niu, Wei He, Honggang Yan, Lei Lv, Xiangcheng Wang
  • Patent number: 10170065
    Abstract: The present invention discloses a shift register unit and driving method thereof, a gate driving circuit, and a display device, which relates to the field of display technology. The shift register unit comprises: an input module comprising a first input sub-module and a second input sub-module, an output control module and an output module. The first input sub-module transmits a signal inputted by a signal input terminal to a first node; the second input sub-module transmits a signal inputted by a low level signal input terminal to a second node based on the signal inputted by the signal input terminal; the output control module transmits a signal inputted by a clock signal input terminal to the second node based on the signal of the first node; the output module transmits a signal inputted by a high level signal input terminal to a signal output terminal based on the signal of the second node.
    Type: Grant
    Filed: July 9, 2015
    Date of Patent: January 1, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Lei Lv, Fei Xu
  • Publication number: 20180308438
    Abstract: A display panel, a display device and a display method thereof are provided. The display method includes: detecting a position of a visual focus at a display panel; allocating sub-pixels outside a predetermined region around the position of a visual focus at a display panel into a first region; generating a conversion image based on a predetermined image, where the predetermined image has predetermined gray scales for the sub-pixels, and the conversion image has conversion gray scales for the sub-pixels; at the first region, the conversion gray scale of one of two adjacent sub-pixels in a row direction is zero, and the conversion gray scale of one of two adjacent sub-pixels in a column direction is zero; in the conversion image, the conversion gray scales and the predetermined gray scales of the sub-pixels outside the first region are identical; and controlling the sub-pixels to display based on the conversion gray scales of the sub-pixels in the conversion image.
    Type: Application
    Filed: December 22, 2017
    Publication date: October 25, 2018
    Applicants: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Lei LV