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: 11688345
    Abstract: Provided are a pixel driving circuit, a driving method and a display panel. The pixel driving circuit includes a driving transistor, a storage sub-circuit, a data writing sub-circuit, an initialization sub-circuit, a first light-emission control sub-circuit, a second light-emission control sub-circuit and a light-emitting element. The data writing sub-circuit is configured to write a data signal to a first electrode of the driving transistor in response to a second scan signal. The storage sub-circuit is configured to store the data signal written by the data writing sub-circuit. The initialization sub-circuit is configured to apply a reset voltage of an initial voltage terminal to the light-emitting element in response to a first scan signal. The first light-emission control sub-circuit is configured to apply a voltage of a first power terminal to the first electrode of the driving transistor in response to a first light-emission signal.
    Type: Grant
    Filed: August 16, 2022
    Date of Patent: June 27, 2023
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yao Huang, Yue Long, Weiyun Huang, Benlian Wang
  • Publication number: 20230189596
    Abstract: A display panel and a display device, the display panel comprising: a first display region; a second display region, at least partially positioned on one side of the first display region; a plurality of pixel units, the density of pixel units in the first display region being less than the density of pixel units in the second display region, and the pixel units comprising pixel circuits; and first power supply lines, configured to supply a first voltage signal to the pixel circuits. The first power supply lines comprise a plurality of first wires, a plurality of second wires, and a plurality of third wires, the first wires extending from the second display region to the first display region, the plurality of second wires being positioned in the first display region, positioned between adjacent first wires, and extending in a first direction, and the third wires extending along a second direction, the first direction intersecting with the second direction.
    Type: Application
    Filed: February 9, 2023
    Publication date: June 15, 2023
    Inventors: Yao HUANG, Weiyun HUANG, Yue LONG, Binyan WANG, Guobo YANG, Benlian WANG
  • Publication number: 20230172001
    Abstract: Provided is a display panel, including a base substrate provided with a first display region and a second display region and a plurality of pixels and a packaging layer that are sequentially arranged on the base substrate. The packaging layer includes a first organic layer, and the second display region has a relatively large transmittance. The second display region includes a first sub-display region and a second sub-display region that is proximal to a border of the base substrate relative to the first sub-display region. A difference between a maximum thickness and a minimum thickness of a first portion, disposed in the second display region, of the first organic layer is less than a difference between a maximum thickness and a minimum thickness of a second portion disposed in the second sub-display region.
    Type: Application
    Filed: February 23, 2021
    Publication date: June 1, 2023
    Inventors: BO SHI, CHI YU, RUI ZHOU, HUI GUAN, YUE LONG, BENLIAN WANG
  • Publication number: 20230172014
    Abstract: Provided are a display panel and a manufacturing method therefor, and a display device. The display panel includes a base substrate first and second light emitting units, and first and second pixel circuits driving the first and second light emitting units to emit light, respectively the second pixel circuit includes first and second via holes, a drain in the second pixel circuit has first and connection terminals and a connection body extending along a first direction, the first via hole connects the first connection terminal with an active layer in the second pixel circuit, the connection body has a length greater than or equal to a length of a storage capacitor in the first direction, a first wire is on a side of a source-drain electrode layer, to the second connection terminal through the second via hole, connects to an anode of the second light emitting unit.
    Type: Application
    Filed: September 1, 2021
    Publication date: June 1, 2023
    Inventors: Yuanyou QIU, Yao HUANG, Weiyun HUANG, Benlian WANG
  • Publication number: 20230157099
    Abstract: Disclosed are a display substrate, a preparation method thereof, and a display device. The display substrate includes a display region and a bonding region on one side of the display region. The bonding region at least includes a lead area. The display region includes a plurality of data lines and a plurality of data fanout lines. The lead area includes a plurality of lead wires. Orthographic projections of the plurality of data lines and the plurality of data fanout lines on a plane of the display substrate are at least partially overlapped. A first end of at least one data fanout line is connected to the lead wire, and a second end of the at least one data fanout line extends in a direction away from the lead area, to be connected to the data line.
    Type: Application
    Filed: April 30, 2021
    Publication date: May 18, 2023
    Inventors: Lili DU, Yuanjie XU, Qiwei WANG, Benlian WANG, Yudiao CHENG, Pan XU
  • Publication number: 20230157102
    Abstract: A display substrate and a display device are provided. The display substrate includes first sub-pixel circuits, first light emitting units, second sub-pixel circuits and second light emitting units. The display substrate includes a pixel circuit column group including a first pixel circuit column, a second pixel circuit column, a third pixel circuit column and a fourth pixel circuit column which are respectively connected with a first data line, a second data line, a third data line and a fourth data line. The second data line, the third data line and the fourth data line are disconnected to form first breaks, data lines at two side of the first break are connected with the first sub-pixel circuit and the second sub-pixel circuit respectively; the second data line is connected with the third data line or the fourth data line at the first break through a data line connection portion.
    Type: Application
    Filed: October 15, 2021
    Publication date: May 18, 2023
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lili DU, Wei ZHANG, Tianyi CHENG, Benlian WANG
  • Patent number: 11651739
    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: Grant
    Filed: November 24, 2021
    Date of Patent: May 16, 2023
    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: 20230143544
    Abstract: A display substrate, a display device, a high-precision metal mask are provided. The display substrate includes first, second, third sub-pixels. In first direction, first and third sub-pixels are alternant to form first sub-pixel rows, second sub-pixels form second sub-pixel rows. In second direction, first and second sub-pixel rows are alternant, first direction is approximately perpendicular to second direction. Two first and two third sub-pixels in two adjacent rows and two adjacent columns form a 2*2 array, in the array, two first sub-pixels are in different rows and different columns, two third sub-pixels are in different rows and different columns, at least one of two first and two third sub-pixels is a pattern where corner is cut off, connection lines of centers of two first and two third sub-pixels form non-square virtual quadrilateral, and second sub-pixel is within virtual quadrilateral. The display effect can be improved.
    Type: Application
    Filed: November 30, 2020
    Publication date: May 11, 2023
    Inventors: Guomeng ZHANG, Yan HUANG, Ming HU, Tong NIU, Qian XU, Chang LUO, Jianpeng WU, Peng XU, Fengli JI, Benlian WANG
  • Patent number: 11635784
    Abstract: The present disclosure provides a foldable support, fabricating method thereof, and a display device. The foldable support includes a metal layer having a non-bending region and at least one bending region, where the metal layer includes a plurality of recessed portions at the at least one bending region, and at least one of sidewalls of the plurality of recessed portions is not perpendicular to a plane where the metal layer is located.
    Type: Grant
    Filed: March 11, 2020
    Date of Patent: April 25, 2023
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Haoran Wang, Fangxu Cao, Liming Dong, Yonghong Zhou, Xucong Wang, Benlian Wang, Weinan Dai, Dengyu Wang
  • Publication number: 20230117888
    Abstract: A display substrate and a display device are provided. In the display substrate, a first display region includes a first light emitting unit column and a second light emitting unit column each connected with a column of first sub-pixel circuits; a second display region includes a third light emitting unit column and a fourth light emitting unit column each connected with a column of first sub-pixel circuit pairs; each second sub data line is connected with each second light emitting unit column, and each fourth sub data line is connected with each fourth light emitting unit column. The first sub-pixel circuits connected with the fourth light emitting unit column and the first sub-pixel circuits connected with the second light emitting unit column are located in different columns, and the second sub data line and the fourth sub data line are connected by a data line connection portion.
    Type: Application
    Filed: October 15, 2021
    Publication date: April 20, 2023
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lili DU, Yao HUANG, Yue LONG, Benlian WANG, Weiyun HUANG
  • Publication number: 20230091142
    Abstract: A display panel and a display device, the display panel comprising: a first display region; a second display region, at least partially positioned on one side of the first display region; a plurality of pixel units, the density of pixel units in the first display region being less than the density of pixel units in the second display region, and the pixel units comprising pixel circuits; and first power supply lines, configured to supply a first voltage signal to the pixel circuits. The first power supply lines comprise a plurality of first wires, a plurality of second wires, and a plurality of third wires, the first wires extending from the second display region to the first display region, the plurality of second wires being positioned in the first display region, positioned between adjacent first wires, and extending in a first direction, and the third wires extending along a second direction, the first direction intersecting with the second direction.
    Type: Application
    Filed: May 18, 2021
    Publication date: March 23, 2023
    Inventors: Yao HUANG, Weiyun HUANG, Yue LONG, Binyan WANG, Guobo YANG, Benlian WANG
  • Publication number: 20230087603
    Abstract: A display substrate and a display device are provided. The display substrate includes a first color sub-pixel, a second color sub-pixel, and a third color sub-pixel. Each sub-pixel includes a light-emitting region. Sides of each light-emitting region or extension lines of the sides are sequentially connected to form a polygon. Vertexes of the polygon of at least a part of the sub-pixels have non-overlapped regions with angle portions of the corresponding light-emitting regions. Corners of the light-emitting region of at least one sub-pixel at least include a first angle portion. An area of a non-overlapped region between the first angle portion and a vertex angle of the polygon corresponding to the first angle portion is greater than an area of a non-overlapped region between each angle portion among at least part of remaining angle portions and a vertex angle of the polygon corresponding to the each angle portion.
    Type: Application
    Filed: August 31, 2021
    Publication date: March 23, 2023
    Inventors: Benlian WANG, Hongli WANG, Wei ZHANG, Weiyun HUANG, Ming HU, Youngyik KO, Haijun QIU
  • Publication number: 20230084896
    Abstract: A display substrate includes a plurality of first subpixels, a plurality of second subpixels and a plurality of 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 are arranged to form a plurality of second subpixel rows, and 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 columns form a first virtual quadrilateral, the two first/third subpixels are arranged at two/the other two opposite vertices of the first virtual quadrilateral respectively, and a corresponding second subpixel is located within the first virtual quadrilateral. Lines connecting centers of two second subpixels, one first subpixel and one third subpixel in adjacent three rows and columns form a virtual parallelogram.
    Type: Application
    Filed: January 4, 2021
    Publication date: March 16, 2023
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wei ZHANG, Quan SHI, Benlian WANG, Longhui XUE, Ming HU
  • Patent number: 11605689
    Abstract: An array substrate and a display device. The array substrate includes a base substrate, a first electrode, a first insulating layer and a second electrode. The first electrode is on the base substrate; the first insulating layer is on a side of the first electrode away from the base substrate; the second electrode is on a side of the first insulating layer away from the first electrode. The second electrode is provided with a first through-hole and a slit communicated with the first through-hole and extending from the first through-hole to an edge of the second electrode, and an orthographic projection of the first electrode on the base substrate completely falls within an orthographic projection of the second electrode, the first through-hole and the slit on the base substrate. At this time, the first electrode, the second electrode, and the first insulating layer can constitute a capacitor.
    Type: Grant
    Filed: October 30, 2019
    Date of Patent: March 14, 2023
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOETECHNOLOGY GROUP CO., LTD.
    Inventors: Changlong Yuan, Benlian Wang, Yingsong Xu, Xilei Cao
  • Publication number: 20230047280
    Abstract: Display substrate, manufacturing method therefor and display apparatus are provided. The display substrate includes a display area, the display area including a pixel region, a light transmissive region, and an isolation region between the pixel region and the light transmissive region and at least partially surrounding the light transmissive region; the isolation region includes an isolation component, a barrier wall structure, and a groove structure located therebetween; the pixel region includes a light-emitting functional layer and an organic encapsulation layer; a portion of the light-emitting functional layer extending to the isolation region is disconnected at a side face of the isolation component; and the organic encapsulation layer extends from the pixel region to the isolation region, and the groove structure and the barrier wall structure is configured for limiting an extension of the organic encapsulation layer to the light transmissive region.
    Type: Application
    Filed: August 16, 2021
    Publication date: February 16, 2023
    Inventors: Doyoung KIM, Benlian WANG, Weiyun HUANG, Yue LONG, Yudiao CHENG, Kaipeng SUN
  • Publication number: 20230048918
    Abstract: A display substrate and a display apparatus are provided. including a first side for displaying and a second side opposite the first side, a base substrate, a display area, at least one connection line and at least one transfer electrode. Each of the at least one connection line at least partially extends in a first direction and is connected to first power lines respectively connected to adjacent first pixel unit groups in a first display area in the first direction; and each of the at least one transfer electrode at least partially extends in the first direction and is connected to first signal lines that are respectively connected to the adjacent first pixel unit groups in the first display area in the first direction, film layers where at least part of the at least one transfer electrode and each of the at least one connection line are located are different.
    Type: Application
    Filed: May 13, 2021
    Publication date: February 16, 2023
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yue LONG, Yudiao CHENG, Chao WU, Weiyun HUANG, Xingliang XIAO, Benlian WANG, Yao HUANG
  • Patent number: 11569472
    Abstract: An electroluminescent display substrate and a manufacturing method thereof, and an electroluminescent display apparatus, are disclosed. The display substrate includes: a base substrate; an electroluminescent element on the base substrate, the electroluminescent element including a first electrode layer, a light-emitting layer and a second electrode layer which are disposed in sequence on the base substrate; an encapsulating layer disposed on the base substrate and covering the electroluminescent element; an aperture, the aperture at least penetrating the encapsulating layer; and at least one eave structure on the base substrate, the at least one eave structure surrounding the aperture, and being located between the aperture and the electroluminescent element. Each eave structure includes at least one undercut at one end of the eave structure close to the base substrate, and at least one of the light-emitting layer and the second electrode layer is disconnected at the at least one undercut.
    Type: Grant
    Filed: October 27, 2020
    Date of Patent: January 31, 2023
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yingsong Xu, Benlian Wang
  • Publication number: 20230028312
    Abstract: The present disclosure provides a pixel circuit, a pixel driving method and a display device. The pixel circuit includes a first initialization circuit and a compensation circuit; the first initialization circuit is configured to write a first initial voltage into the driving control node under the control of an initial control signal; the compensation circuit is configured to control the driving control node to be connected to the first node under the control of a compensation control signal. The first initialization circuit or the compensation circuit includes an oxide thin film transistor; or, one of the first initialization circuit and the compensation circuit includes a low temperature polysilicon thin film transistor and an oxide transistor connected in series, and the other of the first initialization circuit and the compensation circuit includes an oxide thin film transistor.
    Type: Application
    Filed: April 26, 2021
    Publication date: January 26, 2023
    Inventors: Benlian WANG, Yao HUANG, Weiyun HUANG, Ming HU
  • Publication number: 20230026507
    Abstract: The present disclosure provides a pixel circuit, a pixel driving method and a display device. The pixel circuit includes a first initialization circuit and a compensation circuit; the first initialization circuit controls to provide a first initial voltage to the driving control node under the control of the first initial control signal; the compensation circuit controls the compensation node to be connected to the first node under the control of the compensation control signal; at least one of the first initialization circuit and the compensation circuit includes an oxide thin film transistor and a low temperature polysilicon thin film transistor connected in series.
    Type: Application
    Filed: April 26, 2021
    Publication date: January 26, 2023
    Inventors: Ming HU, Benlian WANG, Yao HUANG, Weiyun HUANG
  • Patent number: 11562697
    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: Grant
    Filed: December 13, 2021
    Date of Patent: January 24, 2023
    Assignees: 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