Patents by Inventor Bochang Wang

Bochang 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: 11947211
    Abstract: A display panel includes: a liquid crystal cell; an optical layer configured to transmit part of light incident onto the optical layer whose polarization direction is parallel to a transmission axis of the optical layer, and reflect a remaining part of the light incident onto the optical layer; a first polarization structure configured to transmit part of light incident onto the first polarization structure whose polarization direction is parallel to a transmission axis of the first polarization structure, and absorb a remaining part of the light incident onto the first polarization structure; and a second polarization structure configured to transmit part of light incident onto the second polarization structure whose polarization direction is parallel to a transmission axis of the second polarization structure, and absorb a remaining part of the light incident onto the second polarization structure.
    Type: Grant
    Filed: August 5, 2021
    Date of Patent: April 2, 2024
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jing Wang, Yangyang Cai, Guojian Qu, Guangyun Tong, Fan Yang, Chengwei Wang, Zhanchang Bu, Bochang Wang, Yu Zhang, Hetao Wang, Xiang Li
  • Publication number: 20240085738
    Abstract: The embodiments of the present disclosure provide a display module and a middle frame, the display module includes a backlight module and a display panel, the backlight module includes a back plate, a first light source, a middle frame. The back plate includes a bottom plate, the first light source is on the bottom plate, the middle frame is between the bottom plate and the display panel. A side of the middle frame close to the display panel includes a first bearing portion and a second bearing portion, the first bearing portion is at an edge of the middle frame, a second light source is on the first bearing portion, the second bearing portion is on a side of the first bearing portion close to a display region of the display panel, the second bearing portion is connected to a position of the display panel corresponding to the display region.
    Type: Application
    Filed: October 29, 2021
    Publication date: March 14, 2024
    Inventors: Bochang WANG, Shanlei HOU, Haijun SHI, Zhaoshou TIAN, Xiaodi SUN, Hui GUO
  • Publication number: 20240069377
    Abstract: A light guide component, a display device, a method for manufacturing the display device are provided. The light guide component includes an upper light guide portion including a light-emission surface and a refraction surface, and a lower light guide portion including a light incident surface and a reflection surface. The light guide component is configured to: allow a first deflected light entering the light incident surface to be projected onto one of the refraction surface and the light-emission surface, refracted by one of the refraction surface and the light-emission surface and emitted out of the light guide component; and allow a second deflected light entering the light incident surface to be projected onto the reflection surface, reflected to one of the refraction surface and the light-emission surface by the reflection surface, refracted by one of the refraction surface and the light-emission surface and emitted out of the light guide component.
    Type: Application
    Filed: March 11, 2022
    Publication date: February 29, 2024
    Applicants: Beijing BOE Display Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Changjia FU, Dan LI, Haijun SHI, Bochang WANG, Enliang ZHANG
  • Publication number: 20240027852
    Abstract: Provided are a display panel and a manufacturing method thereof, a display device and a spliced display device. The display panel includes: a color filter substrate (11), an array substrate (12) and a first conductive portion (13), where a display region (AA) and a peripheral region (NA) are formed on the display panel, and the peripheral region (NA) surrounds the display region (AA); the array substrate (12) includes pixel circuits and a second conductive portion (14), where the pixel circuits are located in the display region (AA), and the second conductive portion (14) is located in the peripheral region (NA); the second conductive portion (14) is connected with the pixel circuits; the first conductive portion (13) is located on a side surface of the array substrate (12) and a side surface of the color filter substrate (11), and the first conductive portion (13) is connected with the second conductive portion (14).
    Type: Application
    Filed: October 27, 2021
    Publication date: January 25, 2024
    Inventors: Bin WU, Wei ZHONG, Xiaodi SUN, Haijun SHI, Bochang WANG, Chunguang TIAN, Hongbo FENG
  • Publication number: 20230400732
    Abstract: A light emitting module and a display module. The light emitting module includes a light source (112) assembly (11); the light source (112) assembly (11) includes a substrate (111) and light sources (112), and the light sources (112) are located on the substrate (111). The substrate (111) includes a first area (Q1) and a second area (Q2), the first area (Q1) surrounds the second area (Q2), and the light emitting surfaces of the light sources (112) located in the first area (Q1) are inclined and face the second area (Q2). With the light emitting module, the light emitted by the light sources (112) located at the edge can be inclined toward the center of the light emitting module, which can reduce the light at the edge of the light emitting module, thereby reducing the light leakage phenomenon at the edge of the light emitting module, which is beneficial to improve the display quality.
    Type: Application
    Filed: March 1, 2021
    Publication date: December 14, 2023
    Inventors: Enliang ZHANG, Haijun SHI, Bin WU, Bochang WANG, Changjia FU
  • Publication number: 20230333426
    Abstract: A display panel includes: a liquid crystal cell; an optical layer configured to transmit part of light incident onto the optical layer whose polarization direction is parallel to a transmission axis of the optical layer, and reflect a remaining part of the light incident onto the optical layer; a first polarization structure configured to transmit part of light incident onto the first polarization structure whose polarization direction is parallel to a transmission axis of the first polarization structure, and absorb a remaining part of the light incident onto the first polarization structure; and a second polarization structure configured to transmit part of light incident onto the second polarization structure whose polarization direction is parallel to a transmission axis of the second polarization structure, and absorb a remaining part of the light incident onto the second polarization structure.
    Type: Application
    Filed: August 5, 2021
    Publication date: October 19, 2023
    Inventors: Jing WANG, Yangyang CAI, Guojian QU, Guangyun TONG, Fan YANG, Chengwei WANG, Zhanchang BU, Bochang WANG, Yu ZHANG, Hetao WANG, Xiang LI
  • Patent number: 11789313
    Abstract: A backlight module and a display device, including a back panel, a first middle frame, and a film layer. The film layer includes a first side, a second side, a third side, a fourth side. Hanging holes are at edges of the film layer. Hanging elements corresponding to hanging holes are on the back panel. The hanging element is connected to the film layer via hanging hole. Among hanging holes and hanging elements on the first side, from the third side to the fourth side, first gaps between sidewalls of hanging elements away from the fourth side and sidewalls of hanging holes away from the fourth side increase; among hanging hole and hanging element on the third side, from the first side to the second side, a first gap between sidewall of hanging element away from the second side and sidewall of hanging hole away from the second side increases.
    Type: Grant
    Filed: January 11, 2021
    Date of Patent: October 17, 2023
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Guangyun Tong, Xu Chen, Yu Zhang, Bochang Wang, Xuefei Qin
  • Patent number: 11774670
    Abstract: The present disclosure provides a display panel, a method for manufacturing a display panel and a display device. The display panel includes a back frame, a backlight module and a panel, where the backlight module and the panel are arranged in the back frame, the back frame includes a back plate, and the back plate is provided with a hollow-out area. The backlight module is arranged between the back plate and the panel and includes a light transmissive area and a light emitting area, and the light transmissive area corresponds to the hollow-out area. The panel is arranged on a side of the backlight module away from the back plate, and includes a display area and a transparent area, where the display area corresponds to the light emitting area, and the transparent area corresponds to the light transmissive area.
    Type: Grant
    Filed: February 2, 2021
    Date of Patent: October 3, 2023
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xuefei Qin, Guangyun Tong, Yu Zhang, Bochang Wang
  • Publication number: 20230274411
    Abstract: A display defect detection method, includes: collecting at least one display image of at least one display to be detected; extracting a plurality of band-limited intrinsic mode function components from a display image in the at least one display image by using a complex variational mode decomposition method; extracting and fusing the plurality of band-limited intrinsic mode function components of the display image by using a convolutional neural network, so as to obtain an average brightness value and a brightness uniformity of the display image; and determining whether a display to be detected in the at least one display to be detected corresponding to the display image is qualified according to a preset classification rule and the average brightness value and the brightness uniformity of the display image.
    Type: Application
    Filed: November 11, 2021
    Publication date: August 31, 2023
    Applicants: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Qiaoke ZHOU, Bo LI, Jing WANG, Xiang LI, Guojian QU, Bochang WANG, Tanhong ZHAO, Hui GUO
  • Publication number: 20230266617
    Abstract: A backlight assembly, a display panel and a display device are provided. the backlight assembly includes: a work region, a light-emitting element, a light guide plate and a light guide structure. The work region includes a center region and an edge region surrounding the center region; the light-emitting element is at least in the center region; the light guide plate is in the work region, and configured to conduct light emitted by the light-emitting element and allow the light to exit from the work region; and the light guide structure is at a side of the light guide plate close to the light-emitting element, and arranged along at least part of an edge of the light guide plate; the light guide structure is configured to allow a part of the light emitted by the light- emitting element to enter the edge region.
    Type: Application
    Filed: June 29, 2021
    Publication date: August 24, 2023
    Inventors: Changjia FU, Dan LI, Haijun SHI, Bochang WANG, Fei DONG, Enliang ZHANG
  • Patent number: 11733564
    Abstract: Disclosed are a curved backlight module and a display device. The curved backlight module includes: an optical film and a lamp board which are oppositely provided, the distance between the optical film and the lamp board being referred to as an optical cavity height; the lamp board is provided with a plurality of lamp bars which extend in a first direction and are arranged in a second direction, a plurality of lamp beads distributed in an array are provided on each of the lamp bars, and the distribution parameters of the lamp beads on each of the lamp bars are the same; and on each of the lamp bars, there is a first distance between two adjacent lamp beads in the first direction, and there is a second distance between two adjacent lamp beads in the second direction.
    Type: Grant
    Filed: May 12, 2021
    Date of Patent: August 22, 2023
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yu Zhang, Huiyan Li, Lijin Zhao, Shixin Geng, Bochang Wang
  • Patent number: 11721297
    Abstract: Provided is a display method applicable to a display device, the display device including a liquid crystal light control panel and a liquid crystal display (LCD) panel stacked together, the method including: acquiring a first sub-image and a second sub-image of an image to be displayed on the LCD panel, a boundary of the first sub-image being in contact with a boundary of the second sub-image; and decreasing a grayscale value of a first region, which is in contact with a boundary of a second light control region, in a first light control region, in response to determining that a grayscale value of the second sub-image is greater than a grayscale threshold.
    Type: Grant
    Filed: November 12, 2020
    Date of Patent: August 8, 2023
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Guangyun Tong, Zhuolong Li, Yu Zhang, Bochang Wang
  • Patent number: 11686963
    Abstract: Provided is a display module. The display module includes a first display panel including a first edge sealing region; a second display panel including a second edge sealing region, wherein the second display panel and the first display panel are disposed in a same layer and spliced with each other, and the second edge sealing region is abutted against the first edge sealing region; and a third display panel disposed on backlight sides of the first display panel and the second display panel, wherein both an orthographic projection of the first edge sealing region onto the third display panel and an orthographic projection of the second edge sealing region onto the third display panel fall within a display region of the third display panel; wherein the first display panel, the second display panel and the third display panel are all liquid-crystal display panels.
    Type: Grant
    Filed: January 24, 2022
    Date of Patent: June 27, 2023
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Bin Wu, Zhaoshou Tian, Enliang Zhang, Haijun Shi, Bochang Wang, Dan Li
  • Publication number: 20230185122
    Abstract: A curved display module and a curved display device. The curved display module can be bent along a long-side direction, and comprises a display panel (1), a backlight module (2), a front frame (3), a back plate (4), an XPCB (6), and an FPC (5); the FPC (5) is provided at a first long-side edge of the display panel (1) and is configured to connect the binding region of the first long-side edge of the display panel (1) to the XPCB (6); the first long-side edge of the back plate (4) is in the shape of staircase, and comprises a back surface (41), a slope surface (42), and a step surface (43) that are sequentially connected from the direction distant from the first long-side edge to the direction close to the first long-side edge.
    Type: Application
    Filed: May 12, 2021
    Publication date: June 15, 2023
    Inventors: Huiyan LI, Bochang WANG, Yu ZHANG, Shixin GENG
  • Patent number: 11644615
    Abstract: A backlight unit includes: a back plate including a bottom wall and a side wall around a periphery of the bottom wall; a lamp strip including a substrate and lamp beads on the substrate; a light guide plate on a side of the bottom wall provided with the side wall, the lamp strip being on a first side wall of the side wall, and light emitting surfaces of the lamp beads being opposite to a side surface of the light guide plate; and a position limiting and fixing structure between the light guide plate and each of the back plate and the lamp strip, for limiting and fixing a position of the lamp strip relative to the light guide plate to keep a gap between the light emitting surfaces of the lamp beads and a light incident surface of the light guide plate unchanged during turn-over of the backlight unit.
    Type: Grant
    Filed: December 20, 2021
    Date of Patent: May 9, 2023
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Huiyan Li, Yu Zhang, Bochang Wang, Fuxue Liang, Shixin Geng
  • Patent number: 11630341
    Abstract: A display panel, a touch display panel, and a display device are provided. The touch display panel includes a first polarizer, a liquid crystal cell, and a backlight assembly, wherein a pencil hardness of the first polarizer is not less than 3H and not greater than 9H; the first polarizer is arranged at a side of the liquid crystal cell distal to the backlight assembly.
    Type: Grant
    Filed: November 15, 2021
    Date of Patent: April 18, 2023
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yu Zhang, Miao Liu, Shixin Geng, Bochang Wang, Zhanchang Bu
  • Publication number: 20230067995
    Abstract: A display apparatus includes a housing; a back plate on the housing; a metal bezel clamped with the back plate at a side of the back plate; a display module and a display driving board on a side of the back plate away from the housing. An insulating material layer is provided between the back plate and the display driving board, which directly increases an impedance of a path for static electricity from the back plate to the display driving board; a side of the display module is fixed to the metal bezel by an insulating member, indirectly increasing an impedance of a path of the static electricity entering the display driving board through the display module. Therefore, most of the static electricity is discharged through other paths with small impedance, so that the static electricity less enters a signal ground plane.
    Type: Application
    Filed: February 19, 2021
    Publication date: March 2, 2023
    Inventors: Danjuan LIU, Rui GUO, Hetao WANG, Shou LI, Jian ZHANG, Jianting WANG, Hengyu YAN, Bochang WANG
  • Patent number: 11573441
    Abstract: A backlight assembly includes a first sub-optical film with first edge portions, and a supporting frame including a first supporting portion which includes rims. At least one rim includes a first positioning groove and second positioning grooves, the first edge portion includes a first positioning portion in the first positioning groove and second positioning portions in the second positioning grooves; a difference between sizes of the first positioning groove and the first positioning portion is a first space, a difference between a size of each second positioning groove and that of the second positioning portion is a second space greater than the first space; the first edge portions include a first sub-edge portion, the first positioning portion is located at a midpoint of the first sub-edge portion, and the second positioning portions are distributed on both sides of the first positioning portion.
    Type: Grant
    Filed: March 9, 2022
    Date of Patent: February 7, 2023
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yu Zhang, Huiyan Li, Shixin Geng, Bochang Wang
  • Publication number: 20230004045
    Abstract: A backlight module and a display device, including a back panel, a first middle frame, and a film layer. The film layer includes a first side, a second side, a third side, a fourth side. Hanging holes are at edges of the film layer. Hanging elements corresponding to hanging holes are on the back panel. The hanging element is connected to the film layer via hanging hole. Among hanging holes and hanging elements on the first side, from the third side to the fourth side, first gaps between sidewalls of hanging elements away from the fourth side and sidewalls of hanging holes away from the fourth side increase; among hanging hole and hanging element on the third side, from the first side to the second side, a first gap between sidewall of hanging element away from the second side and sidewall of hanging hole away from the second side increases.
    Type: Application
    Filed: January 11, 2021
    Publication date: January 5, 2023
    Inventors: Guangyun TONG, Xu CHEN, Yu ZHANG, Bochang WANG, Xuefei QIN
  • Patent number: 11540403
    Abstract: A display panel includes: a front frame and a printed circuit board protective shell. The front frame includes a first front frame portion and a second front frame portion extending in a length direction of the display panel; and a third front frame portion and a fourth front frame portion extending in a width direction of the display panel; wherein the first front frame portion and the second front frame portion are disposed oppositely; and the third front frame portion and the fourth front frame portion are disposed oppositely, and connected between the first front frame portion and the second front frame portion. The printed circuit board protective shell is engaged with the first front frame portion and the second front frame portion to form an integral structure.
    Type: Grant
    Filed: July 23, 2019
    Date of Patent: December 27, 2022
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD
    Inventors: Jiangfeng Zhang, Xu Chen, Yu Zhang, Bochang Wang, Shixin Geng