Patents by Inventor Benlian Wang

Benlian Wang 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).

  • Patent number: 11862081
    Abstract: Provided is a display panel including a base substrate including a first display region and a second display region, a plurality of first pixel circuits, a plurality of second pixel circuits, a plurality of first light-emitting elements, and a plurality of second light-emitting elements disposed in the second display region; wherein at least one of the plurality of first pixel circuits is connected to at least one of the plurality of first light-emitting elements, an orthographic projection of the at least one first pixel circuit on the base substrate is at least partially overlapped with an orthographic projection of the at least one first light-emitting element on the base substrate, and at least one of the plurality of second pixel circuits is connected to at least one of the plurality of second light-emitting elements by a conductive trace.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: January 2, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yudiao Cheng, Benlian Wang, Yao Huang, Weiyun Huang, Lili Du, Yue Long
  • Patent number: 11864447
    Abstract: Display substrate, display device, high-precision metal mask are provided. Display substrate includes: first, second, and third sub-pixels; in first direction, first and third sub-pixels are alternately arranged to form first sub-pixel rows, second sub-pixels form second sub-pixel rows; in second direction, first and second sub-pixel rows are alternately arranged; two first and two third sub-pixels in two adjacent rows and two adjacent columns form 2*2 array; in the array, two first sub-pixels are in different rows and in different columns, so are the two third sub-pixels, connection lines of centers of two first and two third sub-pixels form virtual quadrilateral, second sub-pixel is within virtual quadrilateral; for multiple distances from centers of two first and two third sub-pixels corresponding to same virtual quadrilateral to center of second sub-pixel, at least two distances are different. Brightness centers of virtual pixels have more uniform distribution.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: January 2, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tong Niu, Ming Hu, Chang Luo, Jianpeng Wu, Benlian Wang, Fengli Ji, Peng Xu, Qian Xu, Guomeng Zhang, Yan Huang
  • Patent number: 11862108
    Abstract: A shift register unit, a scanning drive circuit, a display substrate and a display device. The shift register unit includes an output end, a node control end, a first output node control circuit, a second 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: Grant
    Filed: March 30, 2023
    Date of Patent: January 2, 2024
    Assignees: 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: 20230422573
    Abstract: Disclosed in the embodiments of the present disclosure are a display panel and a display device. The display panel includes: a display area and a peripheral area surrounding the display area, the display area includes a first display area and a second display area; a plurality of virtual pixel circuits and a plurality of drive pixel circuits, the plurality of virtual pixel circuits are arranged in the peripheral area, and the plurality of drive pixel circuits are arranged in the second display area; the plurality of first light emitting devices are arranged in the first display area, and the plurality of second light emitting devices are arranged in the second display area; the virtual pixel circuit is electrically connected with the first light emitting device, and the drive pixel circuit is electrically connected with the second light emitting device.
    Type: Application
    Filed: September 13, 2023
    Publication date: December 28, 2023
    Inventors: Yanqiu ZHAO, Yao HUANG, Yue LONG, Benlian WANG, Weiyun HUANG
  • Patent number: 11844250
    Abstract: Embodiments of the present disclosure disclose a display panel and a display device. The display panel includes: a base substrate, a low temperature poly-silicon semiconductor layer, an oxide semiconductor layer and a source-drain metal layer, wherein the source-drain metal layer corresponding to a bending region is provided with a plurality of mutually insulated traces extending in a first direction and arranged in a second direction; an inorganic layer between the base substrate and the source-drain metal layer, wherein the inorganic layer is provided with a groove in the bending region, and the traces are disposed above the groove; and a flexible insulating material between the inorganic layer in the bending region and the traces, wherein the flexible insulating material fills the groove.
    Type: Grant
    Filed: September 17, 2020
    Date of Patent: December 12, 2023
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yao Huang, Benlian Wang, Yue Long, Weiyun Huang, Yingsong Xu
  • Publication number: 20230395024
    Abstract: A drive circuit, a driving method therefor, and a display device. The drive circuit comprises: an initialization circuit (10) configured to provide a signal of an initialization signal terminal (VINIT) to a gate of a driving transistor (M0) in response to a control signal; a first control circuit (20) configured to input the control signal to the initialization circuit (10) according to a signal of a first control terminal (VC1) and a signal of a second control terminal (VC2); a data writing circuit (30) configured to provide a signal of a data signal terminal (DA) to the driving transistor (M0) in response to a signal of a first scanning signal terminal (GA1); the driving transistor (M0) configured to generate a driving current according to the signal of the data signal terminal (DA); and a light-emitting device (L) configured to emit light under the control of the driving current.
    Type: Application
    Filed: November 30, 2020
    Publication date: December 7, 2023
    Inventors: Yue LONG, Yao HUANG, Yuanjie XU, Benlian WANG, Lili DU
  • Publication number: 20230371324
    Abstract: Provided are a display panel and a display device. The display panel includes: light-emitting elements and pixel circuits. The pixel circuits include a plurality of groups of pixel circuits; at least one group of pixel circuits includes a plurality of first-type pixel circuits and a plurality of second-type pixel circuits; at least one second-type pixel circuit is connected to at least one second region light-emitting element through one conductive line; the conductive lines include a plurality of first conductive wires and a plurality of second conductive wires; and in at least one group of light-emitting elements and at least one group of pixel circuits, a plurality of first pixel circuits connected to a plurality of first light-emitting elements are closer to a second display region than each of a plurality of second pixel circuits connected to a plurality of second light-emitting elements.
    Type: Application
    Filed: January 11, 2022
    Publication date: November 16, 2023
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Qiwei WANG, Bangqing XIAO, Yue LONG, Benlian WANG
  • Publication number: 20230371336
    Abstract: A display substrate and a display apparatus are provided. The display substrate includes a base substrate, sub-pixels, a pixel defining layer having openings, spacers on the pixel defining layer. A shape of at least one of the openings is a polygon with at least one vertex angle cut off, and a corner portion of the opening includes a first corner portion formed by cutting off one vertex angle included between two sides of the polygon from the polygon. At least one of the spacers is arranged at an interval between the first corner portion and the opening adjacent to the first corner portion, and a connecting line between a geometric center of the opening where the first corner portion is located and a geometric center of the opening adjacent to the first corner portion passes through the first corner portion and the spacer.
    Type: Application
    Filed: March 8, 2022
    Publication date: November 16, 2023
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Benlian Wang, Lili Du, Cong Liu, Chengjie Qin, Wei Zhang, Weiyun Huang, Ming Hu
  • Patent number: 11818933
    Abstract: Disclosed in the embodiments of the present disclosure are a display panel and a display device. The display panel includes: a display area and a peripheral area surrounding the display area, the display area includes a first display area and a second display area; a plurality of virtual pixel circuits and a plurality of drive pixel circuits, the plurality of virtual pixel circuits are arranged in the peripheral area, and the plurality of drive pixel circuits are arranged in the second display area; the plurality of first light emitting devices are arranged in the first display area, and the plurality of second light emitting devices are arranged in the second display area; the virtual pixel circuit is electrically connected with the first light emitting device, and the drive pixel circuit is electrically connected with the second light emitting device.
    Type: Grant
    Filed: March 31, 2021
    Date of Patent: November 14, 2023
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yanqiu Zhao, Yao Huang, Yue Long, Benlian Wang, Weiyun Huang
  • Patent number: 11812648
    Abstract: There is provided a pixel array including a plurality of sub-pixels, which include first sub-pixels, second sub-pixels, and third sub-pixels. The first and third sub-pixels are alternately arranged along a row direction and form a plurality of first pixel rows, the first and third sub-pixels, which are in a same column, in the plurality of first pixel rows are alternately arranged, and the second sub-pixels are arranged along the row direction and form second pixel rows. Lines sequentially connecting centers of any two of the first sub-pixels and any two of the third sub-pixels, which are arranged in an array, together form a first virtual quadrilateral, and one of the second sub-pixels is in each first virtual quadrilateral. At least one interior angle of the first virtual quadrilateral is not 90°. At least one of the first, second and third sub-pixels has a corner circularly or rectilinearly chamfered.
    Type: Grant
    Filed: June 27, 2022
    Date of Patent: November 7, 2023
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ming Hu, Yan Huang, Chang Luo, Jianpeng Wu, Benlian Wang, Peng Xu, Wei Zhang, Qian Xu
  • Patent number: 11810506
    Abstract: A pixel circuit, driving method for same and display apparatus are provided. The pixel circuit includes a driving sub-circuit, writing sub-circuit, compensation sub-circuit, first reset sub-circuit, first and second emitting control sub-circuits, and emitting element. The compensation sub-circuit writes signal of third node into first node under control of third scanning signal terminal, and compensates first node under control of the third scanning signal terminal and first voltage terminal. The first reset sub-circuit writes signal of first initial signal terminal into third node under control of first scanning signal terminal and first emitting control signal terminal. The second emitting control sub-circuit provides signal of first voltage terminal for second node under control of second emitting control signal terminal.
    Type: Grant
    Filed: February 10, 2021
    Date of Patent: November 7, 2023
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yao Huang, Rui Wang, Benlian Wang, Haigang Qing, Zhi Wang
  • Patent number: 11810504
    Abstract: The present disclosure provides display substrate and display device, and belongs to the field of display technology. The display substrate of the disclosure has mounting region, first display region adjacent to mounting region, and second display region surrounding first display region and/or mounting region. The display substrate comprises: substrate; driving circuit layer on substrate and comprising pixel driving circuits in first display region and second display region, and arrangement density of pixel driving circuits in second display region is less than that of pixel driving circuits in second display region; and light emitting devices in mounting region, first display region, and second display region, first electrode of each light emitting device being electrically coupled to a corresponding pixel driving circuit, and pixel driving circuit electrically coupled to first electrode of light emitting device in the mounting region being located in first display region.
    Type: Grant
    Filed: October 28, 2020
    Date of Patent: November 7, 2023
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yudiao Cheng, Benlian Wang, Meng Li, Weiyun Huang, Yao Huang
  • Publication number: 20230354655
    Abstract: A display substrate, a manufacturing method thereof and a display device. The display substrate includes a display region and a bonding area located at a side of the display region, the bonding area at least includes a lead area; the display region includes multiple data lines and multiple data fanout lines, and the lead area includes multiple lead wires; at least one lead wire is connected with the data line through the data fanout line. In a plane perpendicular to the display substrate, the display substrate includes a first conductive layer, a second conductive layer, a third conductive layer and a fourth conductive layer, and insulating layers are arranged between the first conductive layer and the second conductive layer, the second conductive layer and the third conductive layer, the third conductive layer and the fourth conductive layer. The data lines and data fanout lines are arranged in different conductive layers.
    Type: Application
    Filed: April 30, 2021
    Publication date: November 2, 2023
    Inventors: Zhenhua ZHANG, Yingsong XU, Benlian WANG, Yuxin ZHANG
  • Publication number: 20230354653
    Abstract: The present application discloses a display panel, a display device and a method for manufacturing a display panel. The display panel includes a first display area, including a plurality of first light emitting units and a first driving layer for driving the plurality of first light emitting units, and a second display area, at least partially surrounded by the first display area, and making ambient light at least partially transmitted. The first driving layer includes a first light shielding pattern, the first light shielding pattern at least partially surrounding the second display area and including a hollow structure which exposes at least part of the second display area.
    Type: Application
    Filed: March 31, 2021
    Publication date: November 2, 2023
    Inventors: Zhi WANG, Yue LONG, Weiyun HUANG, Yao HUANG, Benlian WANG, Lili DU, Yudiao CHENG, Bo SHI
  • Patent number: 11796913
    Abstract: An organic light-emitting display device and a manufacturing method thereof are disclosed. The display device includes a substrate including a first area, a second area and a third area, the second area being located between the first area and the third area; a plurality of pixels on the substrate, the plurality of pixels being located in the third area; a boss portion on the substrate, the boss portion being located in the second area; and an opening located in the first area and surrounded by the plurality of pixels. Each of the pixels includes a first electrode layer, an organic light-emitting layer, and a second electrode layer which are sequentially arranged in a direction away from the substrate. At least one of the organic light-emitting layer and the second electrode layer extends toward the opening and is disconnected at the boss portion. The boss portion includes a photoresist material.
    Type: Grant
    Filed: December 11, 2019
    Date of Patent: October 24, 2023
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Benlian Wang
  • Patent number: 11790845
    Abstract: The pixel circuit includes a write-in compensation module for writing data signal(s) into a light emission device through a driving transistor and compensating a threshold voltage of the driving transistor; a first reset module for providing a signal of a first reset signal end to a gate of the driving transistor under control of a first reset control end; a second reset module for providing a signal of a second reset signal end to an anode of the light emission device under control of a second reset control end; and a light emission control module for connecting a drain electrode of the driving transistor with the anode under control of a light emission control end. A cathode of the light emission device is connected with a first power source voltage end; a potential of the first reset signal end is larger than a potential of the second reset signal end.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: October 17, 2023
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group, Co., Ltd.
    Inventors: Linlin Wang, Xilei Cao, Benlian Wang, Weiyun Huang
  • Publication number: 20230329061
    Abstract: A pixel arrangement structure includes: first sub-pixels, second sub-pixels and third sub-pixels, being not overlapped but being spaced apart. The third sub-pixel includes a first edge facing the first sub-pixel, the first sub-pixel includes a second edge facing the third sub-pixel, the third sub-pixel includes a third edge facing the second sub-pixel, and the second sub-pixel includes a fourth edge facing the third sub-pixel, and shapes of the first sub-pixel and the second sub-pixel are circles, the first edge and the second edge are curved edges with a same curvature, the third edge and the fourth edge are curved edges with a same curvature; or shapes of the first sub-pixel and the second sub-pixel are octagons, at least part of the first edge is parallel to at least part of the second edge, at least part of the third edge is parallel to at least part of the fourth edge.
    Type: Application
    Filed: May 31, 2023
    Publication date: October 12, 2023
    Inventors: Haijun Qiu, Yangpeng Wang, Benlian Wang, Haijun Yin, Yang Wang, Yao Hu, Weinan Dai
  • Patent number: 11785821
    Abstract: A display substrate and a related device, and belongs to the field of display technology. The display substrate includes first subpixels, a second subpixels and third subpixels. In a first direction, the first subpixels and the third subpixels are arranged alternately to form a plurality of first subpixel rows, the second subpixels form a plurality of second subpixel rows, the first subpixel rows and the second subpixel rows are arranged alternately in a second direction, lines connecting centers of two first subpixels and two third subpixels in two adjacent rows and two adjacent columns form a first virtual quadrilateral, the two first subpixels are arranged at two opposite vertices of the first virtual quadrilateral, the first virtual quadrilateral includes an interior angle a not equal to 90°, and the second subpixel is arranged within the first virtual quadrilateral.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: October 10, 2023
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chang Luo, Ming Hu, Qian Xu, Jianpeng Wu, Tong Niu, Yan Huang, Guomeng Zhang, Benlian Wang, Peng Xu, Fengli Ji, Yi Zhang
  • Patent number: 11763730
    Abstract: The disclosure provides a pixel driving circuit and a display panel, and belongs to the field of display technology. In the pixel driving circuit, the data write sub-circuit is configured to write a data voltage to a first electrode of the driving sub-circuit in response to a first scan signal; the auxiliary function sub-circuit is configured to compensate a threshold voltage of the driving transistor; the reset sub-circuit is configured to initialize a first electrode of the light emitting device to be driven in response to a reset control signal, and the second light emitting control sub-circuit transmits the initialization signal to a second electrode of the driving sub-circuit in response to a second light emitting control signal; the first light emitting control sub-circuit is configured to write a first power voltage to the first electrode of the driving transistor in response to a first light emitting control signal.
    Type: Grant
    Filed: November 11, 2020
    Date of Patent: September 19, 2023
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yuanjie Xu, Benlian Wang, Yue Long, Yao Huang, Lili Du
  • Patent number: 11730036
    Abstract: A pixel arrangement structure, an organic light emitting diode display panel, a display device, and a mask plate assembly are disclosed. The pixel arrangement structure includes a plurality of first sub-pixels, a plurality of second sub-pixels, a plurality of third sub-pixels. The positions of the sub-pixels do not overlap each other. One of the first sub-pixels is located at the center position of a first virtual rectangle. Four of the first sub-pixels are located at four vertex angle positions of the first virtual rectangle, respectively. Four of the second sub-pixels are located at the center positions of four sides of the first virtual rectangle, respectively. The first virtual rectangle is divided into four second virtual rectangles. The inside of each of the four second virtual rectangles comprises one third sub-pixel of the third sub-pixels.
    Type: Grant
    Filed: January 4, 2022
    Date of Patent: August 15, 2023
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Weinan Dai, Yang Wang, Yangpeng Wang, Benlian Wang, Haijun Yin, Haijun Qiu, Yao Hu