Patents by Inventor Lili Du

Lili Du 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: 20220319437
    Abstract: Provided are a display substrate and a display apparatus. The display substrate includes a display region and a non-display region surrounding the display region. The display region includes at least an arc-shaped display boundary; the display region includes multiple sub-pixels, multiple data lines extending along a first direction and multiple gate lines extending along a second direction; each sub-pixel includes a pixel circuit and a light emitting element connected to the pixel circuit, the pixel circuit in each sub-pixel is electrically connected to a gate line and a data line respectively; at least part of sub-pixels near the arc-shaped display boundary are disposed in a terraced manner. The non-display region includes multiple cascaded drive circuits which provide drive signals to the multiple gate lines, at least part of drive circuits near the arc-shaped display boundary are disposed in a terraced manner, the first direction intersects with the second direction.
    Type: Application
    Filed: September 18, 2020
    Publication date: October 6, 2022
    Inventors: Lili DU, Hongjun ZHOU, Bo WEI, Qian MA
  • Publication number: 20220320234
    Abstract: A display substrate, a manufacturing method and a display device. In the display substrate, a first power source line includes a transmission portion and a first inlet portion coupled to the transmission portion, the transmission portion is arranged between a display region and the first inlet portion and extends in a first direction, and at least a part of the first inlet portion extends in a second direction. A second power source line includes a peripheral portion and two second inlet portions, the peripheral portion surrounds the display region and is provided with an opening, and two ends of the peripheral portion at the opening are coupled to the two second inlet portions respectively.
    Type: Application
    Filed: September 29, 2020
    Publication date: October 6, 2022
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lili DU, Hongjun ZHOU, Cong LIU
  • Publication number: 20220319386
    Abstract: The present application provides a displaying base plate and a displaying device, wherein the displaying base plate includes a transparent displaying region and an effective displaying region, the transparent displaying region includes a plurality of scanning lines, each of the scanning lines includes one or more first light emitting regions, a driving electrode of each of the first light emitting regions is connected to a corresponding driving circuit via a transparent trace, the transparent traces connected to the driving electrodes of a same one instance of the scanning lines are located in a same one layer, the plurality of scanning lines include at least a pair of neighboring first scanning line and second scanning line, and the transparent traces connected to the driving electrodes of the first scanning line and the transparent traces connected to the driving electrodes of the second scanning line are located in different layers.
    Type: Application
    Filed: September 30, 2020
    Publication date: October 6, 2022
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Lili Du, Yue Long, Pinchao Gu, Yuanyou Qiu, Qiwei Wang, Tianyi Cheng
  • Publication number: 20220320241
    Abstract: A display substrate and a preparing method thereof, and a display apparatus are provided. The display substrate includes a display region and a peripheral region, wherein the peripheral region includes a circuit board pin region and a test pin region which are located on at least one side of the display region. The display substrate further includes: a plurality of sub-pixels, and a first power supply line electrically connected with the plurality of sub-pixels; at least one first bonding power supply pin, located in the circuit board pin region, electrically connected with the first power supply line, and configured to transmit a first power supply signal to the plurality of sub-pixels in a display stage; a second power supply line, located in the peripheral region and surrounding the display region.
    Type: Application
    Filed: October 22, 2020
    Publication date: October 6, 2022
    Inventors: Hongjun ZHOU, Lili DU
  • Publication number: 20220320220
    Abstract: The present disclosure provides an array substrate, a display panel and a display device. The array substrate includes: a base substrate; a low temperature poly-silicon thin film transistor located on the base substrate and including a poly-silicon active layer and a first gate which are laminated on the base substrate; an oxide thin film transistor located on the base substrate and including an oxide active layer and a second gate which are laminated on the base substrate; and a light shielding layer, where an overlapping area of a projection of the light shielding layer on the base substrate and an orthographic projection of the oxide active layer on the base substrate is S1, an overlapping area of the projection of the light shielding layer on the base substrate and an orthographic projection of the poly-silicon active layer on the base substrate is S2, and S1 is greater than S2 .
    Type: Application
    Filed: September 22, 2020
    Publication date: October 6, 2022
    Inventors: Benlian WANG, Yue LONG, Lili DU, Yao HUANG, Weiyun HUANG, Tianyi CHENG
  • Publication number: 20220320194
    Abstract: A display panel and a display apparatus are provided. The display panel includes a supporting layer. The supporting layer includes first spacers and second spacers, which are located on different columns; an anode of at least one of sub pixels corresponding to first spacers extends in a first direction, the first and second spacers extend in a second direction; the first spacers and sub pixels are arranged alternately in the column direction and correspond one-to-one; an orthographic projection of first spacers does not overlap with that of anodes in all sub pixels in the column direction; a first ratio is formed between areas of the first spacers and openings of corresponding sub pixels, a second ratio is formed between an area of the second spacers and an area sum of the openings between two adjacent second spacers in the column direction, the first ratio is different from the second ratio.
    Type: Application
    Filed: October 27, 2020
    Publication date: October 6, 2022
    Inventors: Lili DU, Ming HU, Hongjun ZHOU, Yue LONG, Cong LIU
  • Publication number: 20220320260
    Abstract: Provided are a display panel and a display device. A dummy electrode pattern is disposed in a first display region of the display panel and disposed in a different layer from a first connection trace. The first connection trace can connect a second light-emitting unit group in a second display region to a second pixel circuit group in the first display region through the dummy electrode pattern. An overlapping area between the dummy electrode pattern and the first connection trace is approximately the same as that between a first electrode and the first connection trace.
    Type: Application
    Filed: June 23, 2022
    Publication date: October 6, 2022
    Inventors: Lili Du, Yuanyou Qiu, Yue Long, Xingliang Xiao, Yao Huang, Tianyi Cheng
  • Publication number: 20220320851
    Abstract: Disclosed are an electrostatic protection circuit, a display substrate and a display apparatus. The electrostatic protection circuit includes: a plurality of first transistors (11) on a base substrate, each of which includes a gate, an active layer (112), a first electrode (113), a second electrode (114) and a connection part (115). Gates of the first transistors (11) are connected to each other to form a control line (12). The first electrode (113) of each first transistor (11) is electrically connected to a panel crack detect line (PL), the connection part (115) is connected between the first electrode (113) and the second electrode (114), and the active layer (112) and the gate of each first transistor (11) are arranged in an overlapping manner and insulated and separated from each other to form a first capacitor. The control line (12) is electrically connected to a first power supply line (VSS).
    Type: Application
    Filed: June 15, 2021
    Publication date: October 6, 2022
    Inventors: Jianchang CAI, Yue LONG, Yudiao CHENG, Hongjun ZHOU, Lili DU
  • Publication number: 20220310753
    Abstract: Embodiments of the disclosure provide a display panel and a display device. The display panel includes: a base substrate, a transistor array layer, a first planarization layer, and a first electrode layer, wherein the plurality of sub-pixels include first color sub-pixels and second color sub-pixels adjacent to the first color sub-pixels in a first direction; for the first color sub-pixels and the second color sub-pixels adjacent in the first direction, first notches are disposed in sides, facing orthographical projections of anodes in the first color sub-pixels on the base substrate, of orthographical projections of edges of anodes in the second color sub-pixels on the base substrate; and the first notches are disposed facing centers of main parts of the second color sub-pixels. Each repeating unit includes at least one first color sub-pixel and at least one second color sub-pixel.
    Type: Application
    Filed: September 29, 2020
    Publication date: September 29, 2022
    Inventors: Lili DU, Hongjun ZHOU, Feng WEI, Qian MA
  • Publication number: 20220293715
    Abstract: Provided are a display panel and a display device. A plurality of second pixel circuit groups in a first display region in the display panel includes a first-type second pixel circuit group distal from a second display region and a second-type second pixel circuit group proximal to the second display region. The first-type second pixel circuit group is connected to a first-type second light-emitting unit group, distal from the first display region, in the second display region through a first connection trace. The second-type second pixel circuit group is connected to a second-type second light-emitting unit group, proximal to the first display region, in the second display region through a second connection trace.
    Type: Application
    Filed: May 31, 2022
    Publication date: September 15, 2022
    Inventors: LILI DU, Cong Liu, Weiyun Huang, Chao Wu, Chao Zeng
  • Publication number: 20220246100
    Abstract: A shift register unit, a scanning drive circuit, a display substrate, and a display device are provided. The shift register unit includes an output end, a node control end, a first output node control circuit, a second output node control circuit and an output circuit, the second node control circuit is electrically connected to a first clock signal line, the node control end, the first output node and the second node; the first output node control circuit is electrically connected to the second node and the first output node and is configured to control a potential of the first output node; the second output node control circuit is electrically connected to the second node and the second output node; the output circuit is electrically connected to a first output node, a second output node, a first voltage line, a second voltage line and an output end.
    Type: Application
    Filed: November 24, 2021
    Publication date: August 4, 2022
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yue LONG, Benlian WANG, Yuanjie XU, Yingsong XU, Lili DU, Tingliang LIU, Yao HUANG
  • Publication number: 20220246101
    Abstract: A shift register unit, a scanning driving circuit, a display substrate and a display device. The shift register unit includes an output terminal, an output circuit and an output node control circuit. The output circuit is electrically coupled to a first output node, a second output node, a first voltage line, a second voltage line and the output terminal, respectively. The output node control circuit is electrically coupled to the first output node, the second output node, a third voltage line, a fourth voltage line, a fifth voltage line, a first clock signal line, a second clock signal line and an input terminal, respectively. At least one of a third voltage signal, a fourth voltage signal and a fifth voltage signal is different from a first voltage signal and ae second voltage signal.
    Type: Application
    Filed: December 13, 2021
    Publication date: August 4, 2022
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yue LONG, Benlian WANG, Yingsong XU, Lili DU, Yao HUANG, Yuanjie XU, Tingliang LIU
  • Publication number: 20220199739
    Abstract: A display panel and a display device are provided. The display panel includes: a plurality of first pixel units, a plurality of second pixel units, a plurality of third pixel units and a plurality of first data lines. An effective light-emitting area of the first pixel unit is larger than an effective light-emitting area of the second pixel unit, and larger than an effective light-emitting area of the third pixel unit orthographic projection of the first data line on the base substrate is not overlapped with an orthographic projection of any one of the first electrode of the first pixel unit, the first electrode of the second pixel unit, and the first electrode of the third pixel unit on the base substrate.
    Type: Application
    Filed: June 29, 2020
    Publication date: June 23, 2022
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lili DU, Hongjun ZHOU, Wen TAN, Cong LIU
  • Publication number: 20220180784
    Abstract: The present disclosure provides a display panel and a display device. The display panel includes: a base substrate including a display area and a peripheral area surrounding the display area; a plurality of sub-pixels; a plurality of data signal lines; a plurality of data wires located in the peripheral area and electrically connected to the plurality of data signal lines; an electrostatic discharge circuit located in the peripheral area on the base substrate, and electrically connected to the plurality of data wires; and an encapsulation layer located on a side of the plurality of sub-pixels and the electrostatic discharge circuit away from the base substrate, wherein an orthographic projection of the electrostatic discharge circuit on the base substrate is located within an orthographic projection of the encapsulation layer on the base substrate.
    Type: Application
    Filed: November 25, 2020
    Publication date: June 9, 2022
    Inventors: Cong Liu, Hongjun Zhou, Lili Du, Feng Wei
  • Publication number: 20220140827
    Abstract: The present disclosure provides a touch circuit, a touch panel and a display device. The touch circuit includes: a plurality of touch signal lines electrically connected with a control circuit, a voltage signal line for providing a preset voltage, and a plurality of switching circuits in one to one correspondence with the touch signal lines, wherein each switching circuit of the plurality of the switching circuits is electrically connected with the corresponding touch signal line and the voltage signal line, the switching circuit is configured to be in an off state under a condition that a voltage value on the corresponding touch signal line is within a preset range, and is also configured to be in an on state under a condition that the voltage value on the corresponding touch signal line is not within the preset range.
    Type: Application
    Filed: March 31, 2020
    Publication date: May 5, 2022
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Erlong SONG, Fei YU, Huijie MENG, Bo WEI, Hongjun ZHOU, Lili DU
  • Publication number: 20220102457
    Abstract: A display panel, wherein the display panel includes a displaying region; the displaying region includes a main displaying region, an auxiliary displaying region and an under-screen displaying region; first pixel driving circuits, first light emitting devices and second pixel driving circuits are provided under the auxiliary displaying region, and second light emitting devices are provided under the under-screen displaying region; the first pixel driving circuits are for driving the first light emitting devices, and the second pixel driving circuits are for driving the second light emitting devices; and the auxiliary displaying region is provided at an edge of the main displaying region.
    Type: Application
    Filed: July 30, 2021
    Publication date: March 31, 2022
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lili Du, Benlian Wang, Yue Long, Yao Huang
  • Patent number: 11227839
    Abstract: The disclosure relates to the field of display technology. A display substrate motherboard and a method for manufacturing the same are disclosed. In the technical solution provided by the embodiments of the disclosure, by providing via holes formed in the film, instead of small area island-like film patterns, as stitch marks of the display substrate motherboard, a possibility of stitch mark peeling is reduced, thereby further ensuring a reliability and yield of product.
    Type: Grant
    Filed: August 30, 2019
    Date of Patent: January 18, 2022
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lili Du, Yue Long, Hongjun Zhou, Erlong Song, Chao Zeng
  • Publication number: 20220011914
    Abstract: An operation method is applied to a terminal device, and the terminal device includes a first screen that is bendable and a second screen that is disposed on a side frame of the terminal device. The method includes: displaying shortcut function icons on the second screen in a case that the first screen is bent and displays an information input box; receiving a first input operation performed on a target function icon in the shortcut function icons; and in response to the first input operation, executing a function corresponding to the target function icon.
    Type: Application
    Filed: September 24, 2021
    Publication date: January 13, 2022
    Inventor: Lili DU
  • Patent number: 11183068
    Abstract: Various examples are provided related to multi-purpose context-aware bumps (CABs) that can support dynamic adaptation of form factors and functionality. In one example, a CAB system can include sensors distributed in a traffic network and communicatively coupled to a remotely located computing environment; context-aware bumps (CABs) placed in the traffic network and communicatively coupled to the remotely located computing environment; and a CAB application configured to adjust a form factor of a CAB in response to information obtained from the sensors and/or CABs. In another example, a method can include receiving, by a remotely located computing environment, traffic information from sensors distributed in a traffic network or CABs placed in the traffic network; communicating, by the remotely located computing environment, a form factor control to a CAB in response to the traffic information; and adjusting a form factor of the CAB in response to the form factor control.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: November 23, 2021
    Assignee: University of Florida Research Foundation, Incorporated
    Inventors: Swarup Bhunia, Prabuddha Chakraborty, Lili Du, Sandip Ray
  • Patent number: 11049386
    Abstract: A system for controlling delivery of power to a load includes a master control unit (MCU) and a synchronous solid-state relay. The MCU causes the relay to close when the voltage delivered to the relay is at a zero crossing state. The MCU causes the relay to open at either (a) the moment when the voltage delivered to the relay is at a zero crossing state, or (b) the moment that the current delivered to the relay is both over a threshold level and at a zero crossing state.
    Type: Grant
    Filed: June 14, 2018
    Date of Patent: June 29, 2021
    Assignee: Eaton Intelligent Power Limited
    Inventors: Haidong Zhang, Lin Yang, Lili Du, Tao Xiong, Shifang Zhang