Patents by Inventor Chang Luo

Chang Luo 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: 20250251821
    Abstract: A display panel includes: a base substrate; a first touch layer including a first touch line; a touch insulation layer provided with a via hole; and a second touch layer including a second touch line. The second touch line is connected to the first touch line through the via hole; a part of the first touch line and/or the second touch line connected to the functional structure of the display panel forms a connection part. At least one functional structure includes a touch electrode; the first touch line includes a first part and a second part, the second touch line includes a third part and a fourth part, the first part and/or the third part are connected to the touch electrode, and the third part is connected to the first part through at least one via hole.
    Type: Application
    Filed: April 21, 2025
    Publication date: August 7, 2025
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yuanqi ZHANG, Yu WANG, Yi ZHANG, Shun ZHANG, Chang LUO
  • Publication number: 20250251823
    Abstract: A touch layer, a touch substrate and a touch display device are provided. The touch layer includes a first electrode chain formed by at least two first electrodes arranged along a first direction and connected with each other, and a second electrode chain formed by at least two second electrodes arranged along a second direction crossing the first direction and connected in sequence; at least one side edge of the first electrode is provided with a plurality of first fingers, at least one side edge of the second electrode is provided with a plurality of second fingers, the first fingers and the second fingers are mutually embedded; at least one first finger has a smaller extension length than other first finger and is closer to the crossing point; at least one second finger has a smaller extension length than other second finger and is closer to the crossing point.
    Type: Application
    Filed: April 23, 2025
    Publication date: August 7, 2025
    Inventors: Chang LUO, Yi ZHANG, Shun ZHANG, Yang ZENG, Yuanqi ZHANG, Ping WEN, Yu WANG, Wei WANG, Tianci CHEN
  • Patent number: 12379801
    Abstract: Provided are a display substrate and a display apparatus. The display apparatus includes a base substrate including a display region and a bezel region on at least one side of the display region; and a plurality of touch lines in the bezel region, including a plurality of touch drive lines and a plurality of touch sensing lines, where a first distance is provided between any two adjacent touch drive lines in the plurality of touch drive lines, a second distance is provided between any two adjacent touch sensing lines in the plurality of touch sensing lines, a third distance is provided between the plurality of touch drive lines and the plurality of touch sensing lines, the first distance is substantially equal to the second distance, and the third distance is greater than each of the first distance and the second distance.
    Type: Grant
    Filed: September 27, 2022
    Date of Patent: August 5, 2025
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wei Wang, Tianci Chen, Yi Zhang, Junxiu Dai, Chang Luo, Siyu Wang, Yu Wang, Ping Wen, Yang Zeng
  • Patent number: 12379816
    Abstract: Provided are a display panel, a preparation method thereof, and a display device. The display panel includes a display substrate and a touch panel. The touch panel includes multiple touch electrodes. At least one of the touch electrodes includes multiple grid patterns enclosed by metal wires. At least one of the grid patterns includes a first edge, second edge, third edge and fourth edge that form a ring. The first edge and the third edge extend in a second direction. The second edge and the fourth edge extend in a first direction. A shape of the grid pattern includes a first curved ring, a second curved ring, a third curved ring, or a fourth curved ring. A first edge and third edge of the first curved ring are curves curved towards a direction opposite to the first direction.
    Type: Grant
    Filed: March 23, 2024
    Date of Patent: August 5, 2025
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Shun Zhang, Yi Zhang, Ping Wen, Peng Xu, Chang Luo, Linhong Han, Weiyun Huang, Youngyik Ko, Yuanqi Zhang, Cong Fan
  • Publication number: 20250228084
    Abstract: An array substrate is provided. The array substrate includes one or more barrier walls and a plurality of signal lines in a peripheral area and on a side of the one or more barrier walls away from a base substrate. The peripheral area includes an inner region, an outer region, and one or more inter-barrier regions. The inner region is between a display area and a barrier wall closest to the display area. A respective one of the one or more inter-barrier regions is between two adjacent barrier walls. The outer region is on a side of a barrier wall most distal to the display area away from the display area. The plurality of signal lines include one or more first signal lines extending in at least one of the one or more inter-barrier region along a direction substantially parallel to at least one barrier wall.
    Type: Application
    Filed: May 4, 2023
    Publication date: July 10, 2025
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Junxiu Dai, Yuanqi Zhang, Yang Zeng, Chang Luo, Siyu Wang, Wei Wang, Tianci Chen, Yang Zhou, Lu Bai, Yi Qu, Song Liu
  • Patent number: 12351897
    Abstract: A mask includes a frame, at least one mask sheet, and a shielding plate. The frame includes a plurality of borders. The borders are connected end to end in sequence to form the frame with a first hollow region. A mask sheet includes a pattern region and non-pattern regions. The pattern region includes at least one evaporation hole. The shielding plate includes a plurality of shielding strips. The plurality of shielding strips are arranged crosswise to form a plurality of second hollow regions. Orthogonal projections of the second hollow regions on a plane perpendicular to a thickness direction of the frame are located within a range of an orthogonal projection of the first hollow region on the plane. An inner edge of an orthogonal projection of the frame on the plane is located within a range of an orthogonal projection of the shielding plate on the plane.
    Type: Grant
    Filed: December 24, 2020
    Date of Patent: July 8, 2025
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yuanqi Zhang, Sen Du, Chang Luo, Fengli Ji, Xiaoyu Yang, Qian Xu
  • Patent number: 12353668
    Abstract: Disclosed are a touch-control display panel and a display apparatus. The touch-control display panel includes: a plurality of first touch-control electrodes, each of which includes a plurality of first sub-electrode groups, a first sub-electrode group includes a plurality of first sub-electrodes, a first sub-electrode includes two first pattern blocks, a second pattern block located between the two first pattern blocks, and a first connection portion connecting the second pattern block and a first pattern block, which are arranged along a first direction; and a plurality of second touch-control electrodes, each of which includes a plurality of second sub-electrode groups, a second sub-electrode group includes a plurality of second sub-electrodes, a second sub-electrode includes two third pattern blocks, a fourth pattern block located between the two third pattern blocks, and a second connection portion connecting a third pattern block and the fourth pattern block, which are arranged along the first direction.
    Type: Grant
    Filed: October 22, 2021
    Date of Patent: July 8, 2025
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Ping Wen, Fan He, Shun Zhang, Yuanqi Zhang, Chang Luo, Yi Zhang, Fengli Ji
  • Patent number: 12342711
    Abstract: A display substrate and a mask plate assembly includes a base substrate, a pixel defining layer, a functional layer, a cathode layer, and a covering layer that are sequentially stacked in a direction away from the base substrate, wherein the size of orthographic projection of the functional layer on the base substrate is jointly determined by the size of a display area and a first minimum distance. The first minimum distance is the minimum distance in a direction from the display area to a non-display area and between the boundary of the display area and the boundary of the functional layer, and is determined by a first shadow width of the functional layer extending from the display area to the non-display area. The first shadow width is the maximum width of a shadow area formed within a preset region when the functional layer is vapor deposited in the preset region.
    Type: Grant
    Filed: August 18, 2020
    Date of Patent: June 24, 2025
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yongjie Song, Fengli Ji, Chang Luo, Jianpeng Wu, Yi Ma, Xiaoyu Yang, Sen Du
  • Patent number: 12340047
    Abstract: A display panel and a display device. The touch signal line is in the non-display region, surrounds the display region, is on a side of the light shielding layer close to the display region, and provides touch signals to the display region; the light shielding line is in the non-display region, surrounds the display region, and is at a side of the touch signal line away from the display region; the light shielding line is along the direction from the display region to the non-display region, the orthographic projections of the first part of the light shielding line and the light shielding layer overlaps each other, and the orthographic projection of the second part of the light shielding line is between the edge of the orthographic projection of the light shielding layer close to the display area and the edge of the touch signal line away from the display area.
    Type: Grant
    Filed: February 14, 2022
    Date of Patent: June 24, 2025
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yuanqi Zhang, Chang Luo, Shun Zhang, Tianci Chen, Yi Zhang
  • Patent number: 12336413
    Abstract: The present disclosure relates to a display panel, a display device and a manufacturing method of a display panel. The display panel includes: a display substrate having a display area and a non-display area, the display substrate including a substrate and an IC bonding portion which includes: a pin; a first passivation layer located on one side of the substrate adjacent to the pin and covering a peripheral area of the pin, and exposing a central area of the pin; a first barrier layer located on one side of the first passivation layer away from the substrate and covered at the first passivation layer and an edge of the first passivation layer connected to the pin; and a first metal layer located on one side of the first barrier layer away from the substrate, at least covering a central portion of the pin, and electrically connected to the pin.
    Type: Grant
    Filed: September 1, 2021
    Date of Patent: June 17, 2025
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Ping Wen, Shun Zhang, Yuanqi Zhang, Chang Luo, Wei Wang, Yu Wang, Tingliang Liu, Yang Zeng, Yi Zhang
  • Publication number: 20250181199
    Abstract: A touch structure, a touch display panel, and a display device are provided, which relate to the field of touch technology. The touch structure includes first touch electrodes and second touch electrodes. The first touch electrode includes first electrode blocks and transfer bridges. The second touch electrode includes second electrode blocks. The first and second touch electrodes are mesh structures. Grid lines of the first and second electrode blocks are channel lines, and the channel lines forming boundaries of the first electrode block are first boundary channel lines. Grid lines of the transfer bridge are transfer lines. The transfer bridge includes an opening part and a bridge part connected to the opening part. The opening part is connected to the first electrode block through a via hole. Some transfer lines are boundary transfer lines. The boundary transfer lines are overlapped with some first boundary channel lines.
    Type: Application
    Filed: February 7, 2025
    Publication date: June 5, 2025
    Inventors: Yuanqi ZHANG, Yi ZHANG, Yu WANG, Shun ZHANG, Chang LUO
  • Patent number: 12315461
    Abstract: A display substrate includes a base substrate, multiple sub-pixels, multiple first gate drive circuits, and at least one auxiliary structure. The base substrate includes a display region and a peripheral region located at a periphery of the display region. The multiple sub-pixels are located in the display region. The multiple first gate drive circuits and the at least one auxiliary structure are located in the peripheral region. The multiple first gate drive circuits are configured to provide first gate drive signals to the multiple sub-pixels. One auxiliary structure is disposed between adjacent first gate drive circuits.
    Type: Grant
    Filed: March 7, 2024
    Date of Patent: May 27, 2025
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Lu Bai, Yang Zhou, Yi Qu, Chang Luo, Huijuan Yang, Yi Zhang, Junxiu Dai
  • Publication number: 20250165110
    Abstract: A touch structure includes: a first conductive layer, an insulating layer and a second conductive layer that are sequentially stacked. The second conductive layer includes touch electrodes and touch lines. The touch structure includes: a first connection line and two second connection lines that are located in the second conductive layer, and a connection pattern located in the first conductive layer. The two second connection lines are arranged at two sides of the first connection line, respectively. The connection pattern crosses the first connection line, and passes through the insulating layer to be connected to the two second connection lines. For a portion of the connection pattern located between the first connection line and a second connection line, a length of a contour from the first connection line to the second connection line is greater than a distance between the first connection line and the second connection line.
    Type: Application
    Filed: January 17, 2025
    Publication date: May 22, 2025
    Inventors: Chang LUO, Shun ZHANG, Yi ZHANG, Yuanqi ZHANG
  • Patent number: 12302730
    Abstract: A pixel array includes a plurality of sub-pixels, which include first to third sub-pixels. The first and third sub-pixels are alternately arranged along a row direction and form first pixel rows. The first and third sub-pixels, which are in a same column, in the first pixel rows are alternately arranged, and the second sub-pixels are arranged side by side along the row direction and form second pixel rows. Lines sequentially connecting centers of two of the first sub-pixels and 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. A straight line in the row direction or in a column direction, which passes through a center of each sub-pixel of at least one of the plurality of sub-pixels, divides the sub-pixel into two parts having areas different from each other.
    Type: Grant
    Filed: September 29, 2023
    Date of Patent: May 13, 2025
    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: 12299227
    Abstract: A display panel includes: a base substrate; a first touch layer including a first touch line; a touch insulation layer provided with a via hole at least partially located in the non-display region; and a second touch layer including a second touch line with different resistance per unit length from the first touch line and at least partially located in the non-display region. Orthographic projections of the second touch line and the first touch line on the base substrate at least partially overlap with each other, the second touch line is connected to the first touch line through the via hole; a part of the first touch line and/or the second touch line connected to the functional structure of the display panel forms a connection part, and the via hole is at least located on a side of the connection part away from the functional structure.
    Type: Grant
    Filed: June 30, 2022
    Date of Patent: May 13, 2025
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yuanqi Zhang, Yu Wang, Yi Zhang, Shun Zhang, Chang Luo
  • Publication number: 20250147631
    Abstract: A touch structure includes first touch electrodes with first electrode blocks and an adapter bridge and second touch electrodes with second electrode blocks, the adapter bridge is connected to a guide portion overlapping with channel line(s) of a boundary of the first electrode block or the second touch electrode, partial adapter line overlaps with partial channel line of a boundary of the first electrode block and/or the second touch electrode; the adapter line connected to the guide portion overlaps with partial channel line of the boundary of the first electrode block or the second touch electrode; A region where the channel lines of the first electrode block are intersected is a channel intersection region, a boundary of an orthographic projection of the adapter intersection region on the display substrate is located outside a boundary of an orthographic projection of the channel intersection region on the display substrate.
    Type: Application
    Filed: January 6, 2025
    Publication date: May 8, 2025
    Inventors: Yuanqi ZHANG, Yi Zhang, Chang Luo, Shun Zhang, Tianci Chen
  • Publication number: 20250138689
    Abstract: A touch layer group includes first and second touch electrodes, first and second touch lines and a shielding line. The first touch lines are electrically connected to the first touch electrodes, respectively. The second touch lines are electrically connected to the second touch electrodes, respectively. The first and second touch lines each extend to a peripheral region. The shielding line is located in the peripheral region and located between a first touch line and a second touch line that are adjacent to each other. The shielding line includes at least one first line segment and at least one second line segment. Each second line segment includes shielding sub-lines; shielding sub-lines of a second line segment are electrically connected to a first line segment, and a width of a region where the shielding sub-lines of the second line segment are located is greater than a width of the first line segment.
    Type: Application
    Filed: January 6, 2025
    Publication date: May 1, 2025
    Inventors: Yu WANG, Yi ZHANG, CHANG LUO, Yuanqi ZHANG, Ping WEN, Shun ZHANG, Yang ZENG
  • Publication number: 20250130661
    Abstract: A display panel, including an active area and a peripheral area, which is located outside of the active area, wherein the active area comprises a base substrate, and a display structure layer and a touch structure layer sequentially arranged on the base substrate; the peripheral area includes an isolation dam, a first ground trace and a second ground trace arranged on the base substrate; and the first ground trace is located at a side of the isolation dam close to the active area, and the second ground trace is located at a side of the isolation dam away from the active area.
    Type: Application
    Filed: January 2, 2025
    Publication date: April 24, 2025
    Inventors: Chang LUO, Xiping LI, Hongwei MA, Ming HU, Wei HE, Youngyik KO, Haijun QIU, Yi ZHANG, Taofeng XIE, Tianci CHEN, Qun MA, Xinghua LI, Ping WEN, Yang ZHOU, Yuanqi ZHANG, Xiaoyan YANG, Shun ZHANG, Pandeng TANG, Yang ZENG, Tong ZHANG, Xiaofei HOU, Zhidong WANG, Haoyuan FAN, Jinhwan HWANG
  • Patent number: 12282637
    Abstract: A touch display panel is provided. The touch display panel includes a plurality of first mesh electrodes and a plurality of second mesh electrodes. A respective one of the plurality of first mesh electrodes includes a plurality of first mesh blocks consecutively electrically connected along a first direction. Two adjacent first mesh blocks of the plurality of first mesh blocks are electrically connected to each other through a respective first conductive bridge of a plurality of first conductive bridges. The plurality of first conductive bridges are arranged in an array. The plurality of first mesh blocks includes a border mesh block adjacent to a truncated region in which a touch control structure is absent. The touch display panel includes a displaced conductive bridge which is displaced from the array of the plurality of first conductive bridges.
    Type: Grant
    Filed: June 9, 2022
    Date of Patent: April 22, 2025
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yuanqi Zhang, Yi Zhang, Chang Luo, Shun Zhang, Yu Wang, Wei Wang, Ping Wen
  • Publication number: 20250126992
    Abstract: A display substrate, a display panel, and a display apparatus are provided. The display substrate includes a display area and a non-display area on at least one side of the display area, the non-display area including at least a retaining-wall area, a crack-blocking area, and a cut-retention area in a direction away from the display area. The display substrate includes a base substrate, an insulating layer, a first inorganic layer, and a first dummy metal layer. The insulating layer is on the base substrate, to form a blocking-area raised layer in the crack-blocking area. The first inorganic layer is on the insulating layer and at least partially covers the blocking-area raised layer, and the first inorganic layer is formed with a first slope and a second slope corresponding to opposing sides of the blocking-area raised layer, respectively, the first slope being closer to the display area than the second slope.
    Type: Application
    Filed: December 16, 2022
    Publication date: April 17, 2025
    Inventors: Tianci CHEN, Yuanqi ZHANG, Chang LUO, Yi ZHANG, Conglei ZHANG