Patents by Inventor JIAN SANG

JIAN SANG 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: 11977287
    Abstract: A display device is provided, including: a back plate; a plastic frame connected to the back plate; a backlight module; a privacy film on a light emitting side of the backlight module; and a dimming sheet on a side of privacy film away from the back plate, wherein the dimming sheet is configured to be capable of adjusting a viewing angle of the display device. The plastic frame includes a first surface and a side end face, the first surface is a surface of the plastic frame close to the dimming sheet, the side end face is a side face of the plastic frame close to the dimming sheet, the plastic frame further includes a chamfered portion at a transition position between the side end face and the first surface, and the chamfered portion has a rough surface that is configured for diffracting the light incident on the chamfered portion.
    Type: Grant
    Filed: January 8, 2021
    Date of Patent: May 7, 2024
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Heling Zhu, Jie Liu, Xin Li, Bo Han, Hai Tang, Jianwei Qin, Jian Sang, Lu Yu, Haiwei Sun
  • Publication number: 20240105691
    Abstract: A display panel includes a plurality of sub-panels tiled in sequence along a first direction. The sub-panels have a first edge and a second edge in the first direction. The sub-panels include a column of first pixels closest to the first edge, a column of second pixels closest to the second edge, and a plurality of columns of third pixels between the column of first pixels and the column of second pixels. A sum of a distance between effective display bodies in the first pixels and the first edge and a distance between effective display bodies in the second pixels and the second edge is smaller than a spacing between effective display bodies in two adjacent columns of the third pixels.
    Type: Application
    Filed: December 6, 2023
    Publication date: March 28, 2024
    Inventors: Gongtao ZHANG, Haiwei SUN, Jian SANG, Fang WANG
  • Patent number: 11892667
    Abstract: The present disclosure discloses a display panel which includes a substrate with varied reflectivity dependent upon different wavelengths; a plurality of light emitting diodes located on the substrate; and a light adjusting layer located on the substrate, wherein the light adjusting layer and the plurality of light emitting diodes are located on the same side of the substrate, the transmittance of material forming the light adjusting layer is varied dependent upon different wavelengths, and the transmittance change of the light adjusting layer at different wavelengths is inversely correlated with the change of the reflectivity of the substrate at the corresponding wavelengths.
    Type: Grant
    Filed: September 30, 2021
    Date of Patent: February 6, 2024
    Assignees: BOE MLED Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Jingfu Tao, Jian Sang, Lu Yu, Haiwei Sun
  • Patent number: 11886077
    Abstract: A backlight module (0), a display module (1) and control method thereof, and a storage medium, in the field of display technology. The backlight module (0) includes m backlight components (01), wherein m is larger than or equal to 2 and is an integer, the m backlight components (01) are capable of emitting light alternately, and the light rays emitted by any two of the m backlight components (01) do not overlap. The present disclosure solves the problem that the backlight module (0) has lower working stability. The working stability of the backlight module (0) is favorably improved. The backlight module (0) is used for the display module (1).
    Type: Grant
    Filed: May 13, 2022
    Date of Patent: January 30, 2024
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shubai Zhang, Guangquan Wang, Haiwei Sun, Jian Sang, Xuerong Wang, Zhiyang Cui, Junjie Ma, Zhonghua Li, Zhen Wang, Junjie Xie
  • Patent number: 11880058
    Abstract: A side-type backlight module includes a light guide plate and a reverse prism sheet that are stacked. The reverse prism sheet includes a first prism. A surface of the first prism proximate to the light guide plate includes a plurality of prism structures substantially parallel to each other. Each prism structure protrudes toward a direction approaching the light guide plate. A surface of the light guide plate proximate to the reverse prism sheet includes a plurality of strip-shaped microstructures substantially parallel to each other. Each strip-shaped microstructure protrudes toward a direction approaching the reverse prism sheet. An extending direction of the prism structure crosses an extending direction of the strip-shaped microstructure.
    Type: Grant
    Filed: April 23, 2021
    Date of Patent: January 23, 2024
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Pengfei Cheng, Jingfu Tao, Lu Yu, Kangle Chang, Jinzhao Zhou, Jian Sang, Heling Zhu, Yinwei Chen
  • Patent number: 11862617
    Abstract: A display panel includes a plurality of sub-panels tiled in sequence along a first direction. The sub-panels have a first edge and a second edge in the first direction. The sub-panels include a column of first pixels closest to the first edge, a column of second pixels closest to the second edge, and a plurality of columns of third pixels between the column of first pixels and the column of second pixels. A sum of a distance between effective display bodies in the first pixels and the first edge and a distance between effective display bodies in the second pixels and the second edge is smaller than a spacing between effective display bodies in two adjacent columns of the third pixels.
    Type: Grant
    Filed: March 18, 2020
    Date of Patent: January 2, 2024
    Assignees: BOE MLED Technology Co., Ltd, BOE Technology Group Co., Ltd.
    Inventors: Gongtao Zhang, Haiwei Sun, Jian Sang, Fang Wang
  • Publication number: 20230350242
    Abstract: A display device is provided, including: a back plate; a plastic frame connected to the back plate; a backlight module a privacy film on a light emitting side of the backlight module; and a dimming sheet on a side of privacy film away from the back plate, wherein the dimming sheet is configured to be capable of adjusting a viewing angle of the display device. The plastic frame includes a first surface and a side end face, the first surface is a surface of the plastic frame close to the dimming sheet, the side end face is a side face of the plastic frame close to the dimming sheet, the plastic frame further includes a chamfered portion at a transition position between the side end face and the first surface, and the chamfered portion has a rough surface that is configured for diffracting the light incident on the chamfered portion.
    Type: Application
    Filed: January 8, 2021
    Publication date: November 2, 2023
    Inventors: Heling Zhu, Jie Liu, Xin Li, Bo Han, Hai Tang, Jianwei Qin, Jian Sang, Lu Yu, Haiwei Sun
  • Patent number: 11783738
    Abstract: A spliced display panel includes: a spliced substrate having first openings, spliced screen units disposed on a side of the spliced substrate, electronic devices disposed on a side of the spliced substrate away from the spliced screen units, and circuit components. The spliced screen units are divided into spliced screen unit groups, and each spliced screen unit group includes at least one spliced screen unit. A first opening corresponds to a spliced screen unit group, and exposes a part of a whole of the at least one spliced screen unit in the spliced screen unit group. A circuit component passes through one first opening, an end of the circuit component is electrically connected to a spliced screen unit, and another end thereof is electrically connected to at least one electronic device.
    Type: Grant
    Filed: January 21, 2021
    Date of Patent: October 10, 2023
    Assignees: BOE MLED Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Gongtao Zhang, Haiwei Sun, Jian Sang, Yezhou Tan, Fang Wang, Shipeng Wang
  • Publication number: 20230237755
    Abstract: A texture recognition device and a display device are provided. The texture recognition device includes a backlight element, configured to provide first backlight; a light constraint element, configured to perform a light divergence angle constraint process on the first backlight to obtain second backlight with a divergence angle within a preset angle range, the second backlight being transmitted to a detection object; and a photosensitive element, configured to detect the second backlight reflected by a texture of the detection object to recognize a texture image of the texture of the detection object.
    Type: Application
    Filed: March 28, 2023
    Publication date: July 27, 2023
    Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jingfu TAO, Pengfei CHENG, Lu YU, Kangle CHANG, Heling ZHU, Jian SANG, Chuandong LIAO, Yinwei CHEN, Jingang LIU
  • Publication number: 20230178043
    Abstract: The present disclosure discloses a display device and a driving method thereof. The driving method includes: when an anti-peep mode is enabled, generating M-frame sub-picture information and M-frame raster picture information according to information of a current picture frame to be displayed; controlling a sub-display panel in the display device to sequentially display M sub-pictures according to the M-frame sub-picture information, controlling pixel rows of the sub-pictures to be periodically arranged and displayed as first pixel groups, and controlling the first pixel groups of the pixel rows corresponding to the sub-pictures to be mutually misaligned; and controlling a sub-raster panel in the display device to sequentially display M raster pictures according to the M-frame raster picture information, and controlling pixel rows of the raster pictures to be periodically arranged and displayed as second pixel groups.
    Type: Application
    Filed: December 29, 2020
    Publication date: June 8, 2023
    Inventors: Yinwei CHEN, Guixin YAN, Jian SANG, Tiankuo SHI
  • Patent number: 11663800
    Abstract: A texture recognition device and a display device are provided. The texture recognition device includes a backlight element, configured to provide first backlight; a light constraint element, configured to perform a light divergence angle constraint process on the first backlight to obtain second backlight with a divergence angle within a preset angle range, the second backlight being transmitted to a detection object; and a photosensitive element, configured to detect the second backlight reflected by a texture of the detection object to recognize a texture image of the texture of the detection object.
    Type: Grant
    Filed: May 19, 2022
    Date of Patent: May 30, 2023
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jingfu Tao, Pengfei Cheng, Lu Yu, Kangle Chang, Heling Zhu, Jian Sang, Chuandong Liao, Yinwei Chen, Jingang Liu
  • Patent number: 11598498
    Abstract: The present disclosure provides a light bar, a method for fabricating the same, and a display apparatus, in the field of display technologies. The method includes: fabricating a plurality of light emitting units; determining a target group of light emitting units in the plurality of light emitting units based on luminescent characteristics of the plurality of light emitting units, the target group of light emitting units including a portion of light emitting units in the plurality of light emitting units; and disposing at least two light emitting units in the target group of light emitting units on a printed circuit board to obtain the light bar.
    Type: Grant
    Filed: August 23, 2019
    Date of Patent: March 7, 2023
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD, BOE TECHNOLOGY GROUP CO., LTD
    Inventors: Gongtao Zhang, Junjie Ma, Haiwei Sun, Jian Sang, Shipeng Wang
  • Patent number: 11562988
    Abstract: An area light source, a method for manufacturing the same and a display device are provided. The area light source includes: a first conductive structure and a second conductive structure arranged opposite to each other; and a light-emitting layer arranged between the first conductive structure and the second conductive structure and including a plurality of light-emitting chips insulated from each other. A first electrode of each light-emitting chip is electrically connected to the first conductive structure, and a second electrode of each light-emitting chip is electrically connected to the second conductive structure.
    Type: Grant
    Filed: December 13, 2018
    Date of Patent: January 24, 2023
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY GROUP CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jian Sang, Haiwei Sun, Junjie Ma
  • Patent number: 11546495
    Abstract: The present disclosure provides a camera module mounted in a display device, comprising: a lighting lens configured to collect light; a photoelectric sensor configured to convert the light collected by the lighting lens into a corresponding electrical signal; and a reflector arranged to be capable of reflecting the light from the lighting lens towards the photoelectric sensor.
    Type: Grant
    Filed: September 3, 2018
    Date of Patent: January 3, 2023
    Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., Beijing BOE Technology Development Co., Ltd.
    Inventors: Zhiyong Chen, Haiwei Sun, Jian Sang, Zhihui Zeng, Lu Yu, Heling Zhu, Zhiyuan Wang, Wei Gong, Jinpeng Li, Zongying Shu, Xiangyu Ji, Zhonghua Li
  • Patent number: 11536435
    Abstract: The present disclosure provides a light homogenizing film, a backlight module and a display device. The light homogenizing film includes a substrate film layer on which a plurality of light homogenizing structures are arranged in an array. The light homogenizing structure includes: a first recess in a regular pyramid shape positioned on a light incident surface of the substrate film layer, and a second recess in a regular pyramid shape positioned on a light emitting surface of the substrate film layer. On a plane where a main body of the substrate film layer is located, an orthographic projection of the second recess completely covers an orthographic projection of the first recess, and the orthographic projections of the first and second recesses are regular polygons which have overlapped centers, the same number of sides and the same orientation.
    Type: Grant
    Filed: May 27, 2021
    Date of Patent: December 27, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Liangliang Jin, Zezhou Yang, Shubai Zhang, Ruoyu Ma, Jian Sang
  • Patent number: 11537179
    Abstract: A display panel includes an array substrate, a first flexible circuit board, a non-flexible circuit board, a control circuit board and a second flexible circuit board; the first flexible circuit board is electrically connected to the array substrate; the non-flexible circuit board is electrically connected to the first flexible circuit board; the control circuit board is provided on the non-flexible circuit board and is electrically connected with the non-flexible circuit board; the second flexible circuit board is electrically connected to the non-flexible circuit board.
    Type: Grant
    Filed: October 22, 2019
    Date of Patent: December 27, 2022
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Junjie Xie, Yezhou Tan, Zhenxing Luo, Bin Xiang, Jian Sang
  • Patent number: 11531227
    Abstract: The present disclosure provides an anti-peep film and a manufacturing method thereof, and a display module. The anti-peep film includes a plurality of transmission areas and a plurality of anti-peep areas, and the plurality of transmission areas and the plurality of anti-peep areas are alternately arranged in a direction perpendicular to a thickness direction of the anti-peep film. At least one anti-peep area of the plurality of anti-peep areas has a set structure, and the set structure enables that light incident on the at least one anti-peep area from a first side in the thickness direction of the anti-peep film is reflected back to the first side through the at least one anti-peep area.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: December 20, 2022
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., Beijing BOE Technology Development Co., Ltd.
    Inventors: Heling Zhu, Jian Sang, Lu Yu, Pengfei Cheng, Gongtao Zhang, Haiwei Sun, Dongjia Hao
  • Publication number: 20220373730
    Abstract: A side-type backlight module includes a light guide plate and a reverse prism sheet that are stacked. The reverse prism sheet includes a first prism. A surface of the first prism proximate to the light guide plate includes a plurality of prism structures substantially parallel to each other. Each prism structure protrudes toward a direction approaching the light guide plate. A surface of the light guide plate proximate to the reverse prism sheet includes a plurality of strip-shaped microstructures substantially parallel to each other. Each strip-shaped microstructure protrudes toward a direction approaching the reverse prism sheet. An extending direction of the prism structure crosses an extending direction of the strip-shaped microstructure.
    Type: Application
    Filed: April 23, 2021
    Publication date: November 24, 2022
    Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Pengfei CHENG, Jingfu TAO, Lu YU, Kangle CHANG, Jinzhao ZHOU, Jian SANG, Heling ZHU, Yinwei CHEN
  • Publication number: 20220291550
    Abstract: A backlight module (0), a display module (1) and control method thereof, and a storage medium, in the field of display technology. The backlight module (0) includes m backlight components (01), wherein m is larger than or equal to 2 and is an integer, the m backlight components (01) are capable of emitting light alternately, and the light rays emitted by any two of the m backlight components (01) do not overlap. The present disclosure solves the problem that the backlight module (0) has lower working stability. The working stability of the backlight module (0) is favorably improved. The backlight module (0) is used for the display module (1).
    Type: Application
    Filed: May 13, 2022
    Publication date: September 15, 2022
    Inventors: SHUBAI ZHANG, Guangquan Wang, Haiwei Sun, Jian Sang, Xuerong Wang, Zhiyang Cui, Junjie Ma, Zhonghua Li, Zhen Wang, Junjie Xie
  • Publication number: 20220277584
    Abstract: A texture recognition device and a display device are provided. The texture recognition device includes a backlight element, configured to provide first backlight; a light constraint element, configured to perform a light divergence angle constraint process on the first backlight to obtain second backlight with a divergence angle within a preset angle range, the second backlight being transmitted to a detection object; and a photosensitive element, configured to detect the second backlight reflected by a texture of the detection object to recognize a texture image of the texture of the detection object.
    Type: Application
    Filed: May 19, 2022
    Publication date: September 1, 2022
    Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jingfu TAO, Pengfei CHENG, Lu YU, Kangle CHANG, Heling ZHU, Jian SANG, Chuandong LIAO, Yinwei CHEN, Jingang LIU