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).
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Patent number: 11977287Abstract: 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: GrantFiled: January 8, 2021Date of Patent: May 7, 2024Assignees: 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
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Publication number: 20240105691Abstract: 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: ApplicationFiled: December 6, 2023Publication date: March 28, 2024Inventors: Gongtao ZHANG, Haiwei SUN, Jian SANG, Fang WANG
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Patent number: 11892667Abstract: 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: GrantFiled: September 30, 2021Date of Patent: February 6, 2024Assignees: BOE MLED Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Jingfu Tao, Jian Sang, Lu Yu, Haiwei Sun
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Patent number: 11886077Abstract: 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: GrantFiled: May 13, 2022Date of Patent: January 30, 2024Assignees: 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
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Patent number: 11880058Abstract: 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: GrantFiled: April 23, 2021Date of Patent: January 23, 2024Assignees: 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
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Patent number: 11862617Abstract: 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: GrantFiled: March 18, 2020Date of Patent: January 2, 2024Assignees: BOE MLED Technology Co., Ltd, BOE Technology Group Co., Ltd.Inventors: Gongtao Zhang, Haiwei Sun, Jian Sang, Fang Wang
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Publication number: 20230350242Abstract: 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: ApplicationFiled: January 8, 2021Publication date: November 2, 2023Inventors: Heling Zhu, Jie Liu, Xin Li, Bo Han, Hai Tang, Jianwei Qin, Jian Sang, Lu Yu, Haiwei Sun
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Patent number: 11783738Abstract: 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: GrantFiled: January 21, 2021Date of Patent: October 10, 2023Assignees: BOE MLED Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Gongtao Zhang, Haiwei Sun, Jian Sang, Yezhou Tan, Fang Wang, Shipeng Wang
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Publication number: 20230237755Abstract: 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: ApplicationFiled: March 28, 2023Publication date: July 27, 2023Applicants: 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
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Publication number: 20230178043Abstract: 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: ApplicationFiled: December 29, 2020Publication date: June 8, 2023Inventors: Yinwei CHEN, Guixin YAN, Jian SANG, Tiankuo SHI
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Patent number: 11663800Abstract: 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: GrantFiled: May 19, 2022Date of Patent: May 30, 2023Assignees: 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
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Patent number: 11598498Abstract: 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: GrantFiled: August 23, 2019Date of Patent: March 7, 2023Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD, BOE TECHNOLOGY GROUP CO., LTDInventors: Gongtao Zhang, Junjie Ma, Haiwei Sun, Jian Sang, Shipeng Wang
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Patent number: 11562988Abstract: 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: GrantFiled: December 13, 2018Date of Patent: January 24, 2023Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY GROUP CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jian Sang, Haiwei Sun, Junjie Ma
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Patent number: 11546495Abstract: 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: GrantFiled: September 3, 2018Date of Patent: January 3, 2023Assignees: 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
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Patent number: 11536435Abstract: 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: GrantFiled: May 27, 2021Date of Patent: December 27, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Liangliang Jin, Zezhou Yang, Shubai Zhang, Ruoyu Ma, Jian Sang
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Patent number: 11537179Abstract: 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: GrantFiled: October 22, 2019Date of Patent: December 27, 2022Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Junjie Xie, Yezhou Tan, Zhenxing Luo, Bin Xiang, Jian Sang
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Patent number: 11531227Abstract: 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: GrantFiled: December 20, 2019Date of Patent: December 20, 2022Assignees: 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
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Publication number: 20220373730Abstract: 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: ApplicationFiled: April 23, 2021Publication date: November 24, 2022Applicants: 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
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Publication number: 20220291550Abstract: 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: ApplicationFiled: May 13, 2022Publication date: September 15, 2022Inventors: SHUBAI ZHANG, Guangquan Wang, Haiwei Sun, Jian Sang, Xuerong Wang, Zhiyang Cui, Junjie Ma, Zhonghua Li, Zhen Wang, Junjie Xie
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Publication number: 20220277584Abstract: 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: ApplicationFiled: May 19, 2022Publication date: September 1, 2022Applicants: 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