Patents by Inventor Zhanchang Bu

Zhanchang Bu 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: 12259609
    Abstract: A display device is provided, including: a display panel; a light guide component on a light entering side of the display panel; and a supporting assembly connected to the display panel and the light guide component. The supporting assembly is configured to support the display panel and the light guide component, and the supporting assembly includes: a frame body having a first supporting surface facing the display panel, the light guide component being fixed on the first supporting surface; and a light transmission portion on the first supporting surface and on an outer side of a side surface of the light guide component, the light transmission portion having a second supporting surface facing the display panel. The display panel is fixed on the second supporting surface, and the light transmission portion is configured to refract light so that the refracted light exits through the second supporting surface.
    Type: Grant
    Filed: September 21, 2022
    Date of Patent: March 25, 2025
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhaoshou Tian, Zhanchang Bu, Haijun Shi, Hongbo Feng, Dan Li, Qingshan Qu, Bochang Wang, Jixing Sun, Shanlei Hou
  • Patent number: 12253760
    Abstract: Disclosed are a display screen and a display apparatus, comprising: a transmissive liquid crystal panel comprising a displaying side and a non-displaying side arranged opposite to each other; a first polarizer arranged at the displaying side of the transmissive liquid crystal panel; a second polarizer arranged at the non-displaying side of the transmissive liquid crystal panel, a direction of a transmission axis of the first polarizer is perpendicular to that of the second polarizer; a scattering layer arranged between the transmissive liquid crystal panel and at least one of the first polarizer the second polarizer; a reflective polarizer arranged between the transmissive liquid crystal panel and the second polarizer. The disclosed display screen and the display apparatus have a relatively high transmittance and reflectivity, and can be used under different outdoor illuminations so as to realize environmentally friendly effects such as energy saving and emission reduction.
    Type: Grant
    Filed: June 25, 2021
    Date of Patent: March 18, 2025
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE Technology Group Co., Ltd.
    Inventors: Jing Wang, Peng Li, Yangyang Cai, Chunbing Zhang, Xiang Li, Bochang Wang, Hetao Wang, Zhanchang Bu, Yu Zhang, Shou Li
  • Patent number: 12197077
    Abstract: There is provided a support frame (2), including: a first support structure (3) having a first support surface provided with a concave groove (301); and a light-transmitting structure (4) on the first support surface, including: an engaging portion (401) and a light-transmitting portion (402), which are connected to each other, with the engaging portion (401) located in the groove (301) and fixed with the groove (301) by engagement, the light-transmitting portion (402) located outside the groove (301) and having a second support surface on a side of the light-transmitting portion (402) opposite to the engaging portion (401), and the second support surface configured to support a display panel (1).
    Type: Grant
    Filed: October 28, 2021
    Date of Patent: January 14, 2025
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhanchang Bu, Haijun Shi, Bochang Wang
  • Publication number: 20250004693
    Abstract: The present disclosure relates to a display device, a door body and a cabinet body. The display device includes: an information collecting assembly configured to collect environment information; a communication module configured to perform wireless-communication linking to an Internet-of-Things device, to transmit the environment information to the Internet-of-Things device, and receive multimedia information sent by the Internet-of-Things device; and a display module configured to display the multimedia information, wherein the multimedia information includes audio-video advertisement information.
    Type: Application
    Filed: April 28, 2023
    Publication date: January 2, 2025
    Applicants: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xiang Li, Zhanchang Bu, Bochang Wang, Shaoming Yan, Jing Wang, Guojian Qu, Gang Li, Hongtao Zhang, Ming Tian, Yuan Wang, Weibing Gong, Feng Zi, Yawei Chen, Fei Dong, Qiaoke Zhou, Feng Gao
  • Publication number: 20250004315
    Abstract: A backlight module is provided to include a back plate, and a light source, a middle frame, a diffuser plate, an optical film layer sequentially arranged in a direction away from the back plate; a light outgoing surface of the light source faces the diffuser plate; orthographic projections of the optical film layer, the diffuser plate and the light source on the back plate overlap with each other; an orthographic projection of the middle frame on the back plate overlaps with a peripheral edge of the back plate; the middle frame is connected to the peripheral edge; the orthographic projection of the middle frame on the back plate does not overlap with that of the light source; the middle frame includes a body structure and a first support portion, which have a one-piece structure; the body structure is on a side of the diffuser plate close to the back plate.
    Type: Application
    Filed: May 31, 2022
    Publication date: January 2, 2025
    Inventors: Zhanchang BU, Qingshan QU, Jixing SUN, Bochang WANG, Haijun SHI
  • Patent number: 12158603
    Abstract: Disclosed are a backlight module and a display device. The backlight module includes a backplate, a led-bar, a light guide plate and an optical sheet group; wherein the led-bar includes a plurality of light sources disposed towards the light entrance surface of the light guide plate; the light exit surface and the light entrance surface of the light guide plate are adjacent; a portion of the light exit surface of the light guide plate near the light entrance surface is provided with a step structure in which heights of steps gradually decrease in a first direction; the optical sheet group includes a plurality of optical sheets stacked on the side where the light exit surface of the light guide plate is located, and each of the optical sheets is fixed to a corresponding step in the step structure.
    Type: Grant
    Filed: November 16, 2021
    Date of Patent: December 3, 2024
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Qiaoke Zhou, Zhanchang Bu, Bochang Wang, Xiang Li, Bo Li, Jing Wang, Hui Guo
  • Publication number: 20240377668
    Abstract: A display device is provided, including: a display panel; a light guide component on a light entering side of the display panel; and a supporting assembly connected to the display panel and the light guide component. The supporting assembly is configured to support the display panel and the light guide component, and the supporting assembly includes: a frame body having a first supporting surface facing the display panel, the light guide component being fixed on the first supporting surface; and a light transmission portion on the first supporting surface and on an outer side of a side surface of the light guide component, the light transmission portion having a second supporting surface facing the display panel. The display panel is fixed on the second supporting surface, and the light transmission portion is configured to refract light so that the refracted light exits through the second supporting surface.
    Type: Application
    Filed: September 21, 2022
    Publication date: November 14, 2024
    Inventors: Zhaoshou Tian, Zhanchang Bu, Haijun Shi, Hongbo Feng, Dan Li, Qingshan Qu, Bochang Wang, Jixing Sun, Shanlei Hou
  • Publication number: 20240295685
    Abstract: Disclosed are a backlight module and a display device. The backlight module includes a backplate, a led-bar, a light guide plate and an optical sheet group; wherein the led-bar includes a plurality of light sources disposed towards the light entrance surface of the light guide plate; the light exit surface and the light entrance surface of the light guide plate are adjacent; a portion of the light exit surface of the light guide plate near the light entrance surface is provided with a step structure in which heights of steps gradually decrease in a first direction; the optical sheet group includes a plurality of optical sheets stacked on the side where the light exit surface of the light guide plate is located, and each of the optical sheets is fixed to a corresponding step in the step structure.
    Type: Application
    Filed: November 16, 2021
    Publication date: September 5, 2024
    Inventors: Qiaoke ZHOU, Zhanchang BU, Bochang WANG, Xiang LI, Bo LI, Jing WANG, Hui GUO
  • Patent number: 12039944
    Abstract: The present disclosure provides a backlight data transmission method including: receiving, in response to a first vertical synchronization signal of a current image frame sent from a logic circuit board, an entire of backlight data sent from the logic circuit board during a first preset time period, where the entire backlight data includes backlight data corresponding to backlight regions, and duration of the first preset time period is longer than duration of the first vertical synchronization signal in an active level state during one period; and sending the entire backlight data to a backlight driving module during a second preset time period after the first preset time period, where a sum of the duration of the first preset time period and duration of the second preset time period is less than a period of the first vertical synchronization signal.
    Type: Grant
    Filed: April 26, 2021
    Date of Patent: July 16, 2024
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shou Li, Hengyu Yan, Wenyu Li, Zhiming Meng, Jian Zhang, Zhanchang Bu
  • Publication number: 20240219760
    Abstract: A display device and a medical endoscopic apparatus are provided. The display device includes: a display panel; a cover plate at a light exit side of the display panel; a backlight module, at a side of the display panel away from the cover plate; a middle frame, including: a first part, configured to support the display panel; a second part, connected with the first part and extends from the first part to the side away from the cover plate; the second part is around the backlight module at side of the backlight module; the display device includes a first space between the first part and the cover plate, a first side of the first space is limited by the cover plate, a second side of the first space is limited by the first part, the first side is opposite to the second side of the first space.
    Type: Application
    Filed: April 2, 2022
    Publication date: July 4, 2024
    Inventors: Wenqian LUO, Hetao WANG, Zhanchang BU, Yuanye CHEN, Peng LI, Weibiao GENG, Chunlei XIAO, Qian CHENG, Fanglin LI, Tianyi FENG, Tianyang HAN
  • Patent number: 12027134
    Abstract: A display panel (20), a display device and a debugging method thereof are provided. The display panel (20) includes: a base substrate (1), including a display region (A) and a non-display region (B) surrounding the display region (A), the non-display region (B) including a binding region (C) located on one side of the display region (A); and a plurality of sub-pixels (2), located in the display region (A). Areas of pixel aperture regions of the plurality of sub-pixels (2) tend to increase in a direction from the binding region (C) to the display region (A).
    Type: Grant
    Filed: April 20, 2021
    Date of Patent: July 2, 2024
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Shou Li, Xingliang Li, Liugang Zhou, Jian Zhang, Zhanchang Bu, Hui Zhang, Hongli Yue
  • Publication number: 20240210757
    Abstract: There is provided a support frame (2), including: a first support structure (3) having a first support surface provided with a concave groove (301); and a light-transmitting structure (4) on the first support surface, including: an engaging portion (401) and a light-transmitting portion (402), which are connected to each other, with the engaging portion (401) located in the groove (301) and fixed with the groove (301) by engagement, the light-transmitting portion (402) located outside the groove (301) and having a second support surface on a side of the light-transmitting portion (402) opposite to the engaging portion (401), and the second support surface configured to support a display panel (1).
    Type: Application
    Filed: October 28, 2021
    Publication date: June 27, 2024
    Inventors: Zhanchang BU, Haijun SHI, Bochang WANG
  • Publication number: 20240178882
    Abstract: Provided are a data apparatus and interaction method thereof, an electronic device, and a storage medium. The data interaction apparatus includes an interaction module, a switch module, a positioning module, a control module, and a drive module. The positioning module is configured to generate positioning information of an interaction object when the interaction object is located in a positioning detection region. The control module determines a corresponding target interaction unit according to the positioning information, and controls a target switch unit corresponding to the target interaction unit to communicate the target interaction unit with the drive module. The drive module drives the target interaction unit to perform data interaction with the interaction object, and sends data interaction information to the control module.
    Type: Application
    Filed: August 26, 2021
    Publication date: May 30, 2024
    Inventors: Rui GUO, Cuilan HUANG, Zheng WANG, Yujia ZHANG, Hetao WANG, Zhanchang BU
  • Publication number: 20240168337
    Abstract: Disclosed are a display screen and a display apparatus, comprising: a transmissive liquid crystal panel comprising a displaying side and a non-displaying side arranged opposite to each other; a first polarizer arranged at the displaying side of the transmissive liquid crystal panel; a second polarizer arranged at the non-displaying side of the transmissive liquid crystal panel, a direction of a transmission axis of the first polarizer is perpendicular to that of the second polarizer; a scattering layer arranged between the transmissive liquid crystal panel and at least one of the first polarizer the second polarizer; a reflective polarizer arranged between the transmissive liquid crystal panel and the second polarizer. The disclosed display screen and the display apparatus have a relatively high transmittance and reflectivity, and can be used under different outdoor illuminations so as to realize environmentally friendly effects such as energy saving and emission reduction.
    Type: Application
    Filed: June 25, 2021
    Publication date: May 23, 2024
    Applicants: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE Technology Group Co., Ltd.
    Inventors: Jing WANG, Peng LI, Yangyang CAI, Chunbing ZHANG, Xiang LI, Bochang WANG, Hetao WANG, Zhanchang BU, Yu ZHANG, Shou LI
  • Publication number: 20240153472
    Abstract: The present disclosure provides a display device and a display method. The display device includes: a memory for storing at least one pre-stored image; and a controller for: obtaining first and second target images according to the at least one pre-stored image; and controlling a display module, according to a first control instruction, to display the second target image and hide a display of at least one first sub-region in a first region in a frame displayed after switching from the first target image to the second target image. A size of the first target image is different from that of the second target image, and/or a position of the first target image in a display picture is different from that of the second target image. The first region represents a region within an outer contour of the first target image and not overlapping with the second target image.
    Type: Application
    Filed: September 30, 2022
    Publication date: May 9, 2024
    Inventors: Wenyu Li, Jian Zhang, Shou Li, Shuyan Ma, Xiaoning Jiang, Jing Zhang, Yingbo Gao, Zhanchang Bu, Site Cai, Tianyang Han
  • 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: 20240105140
    Abstract: A display panel (20), a display device and a debugging method thereof are provided. The display panel (20) includes: a base substrate (1), including a display region (A) and a non-display region (B) surrounding the display region (A). the non-display region (B) including a binding region (C) located on one side of the display region (A); and a plurality of sub-pixels (2), located in the display region (A). Areas of pixel aperture regions of the plurality of sub-pixels (2) tend to increase in a direction from the binding region (C) to the display region (A).
    Type: Application
    Filed: April 20, 2021
    Publication date: March 28, 2024
    Inventors: Shou LI, Xingliang LI, Liugang ZHOU, Jian ZHANG, Zhanchang BU, Hui ZHANG, Hongli YUE
  • Patent number: 11928282
    Abstract: The driving method includes: inputting a first scanning signal to each of the first touch electrodes at a same time, and receiving a first sensing signal of each of the second touch electrodes to determine a suspected column according to the first sensing signal; inputting a second scanning signal to each of the second touch electrodes at a same time, and receiving a second sensing signal of each of the first touch electrodes to determine a suspected row according to the second sensing signal; determining a suspected touch region according to the suspected column and the suspected row; and sequentially inputting a third scanning signal row by row to each of the first touch electrodes in the suspected touch region, and receiving a third sensing signal of each of the second touch electrodes in the suspected touch region to determine a touch position according to the third sensing signal.
    Type: Grant
    Filed: May 18, 2021
    Date of Patent: March 12, 2024
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Rui Guo, Lihui Han, Junning Su, Zhanchang Bu, Hetao Wang
  • Publication number: 20240038182
    Abstract: The present disclosure provides a backlight data transmission method including: receiving, in response to a first vertical synchronization signal of a current image frame sent from a logic circuit board, an entire of backlight data sent from the logic circuit board during a first preset time period, where the entire backlight data includes backlight data corresponding to backlight regions, and duration of the first preset time period is longer than duration of the first vertical synchronization signal in an active level state during one period; and sending the entire backlight data to a backlight driving module during a second preset time period after the first preset time period, where a sum of the duration of the first preset time period and duration of the second preset time period is less than a period of the first vertical synchronization signal.
    Type: Application
    Filed: April 26, 2021
    Publication date: February 1, 2024
    Inventors: Shou LI, Hengyu YAN, Wenyu LI, Zhiming MENG, Jian ZHANG, Zhanchang BU
  • Patent number: 11852851
    Abstract: Provided are an optical compensation strip, a display panel, a display device and a driving method, and relates to the display technology field. The optical compensation strip is applicable to a spliced display panel. The optical compensation strip may comprise: a display cover plate, and at least two prisms disposed opposite to the display cover plate. A gap exists between each prism and the display cover plate. The at least two prisms are configured for refracting light emitted from the two adjacent sub-display panels to an area of the display cover plate corresponding to the seam.
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: December 26, 2023
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jianting Wang, Zhanchang Bu, Rui Guo, Zhiming Meng, Junning Su, Jianzi He