Patents by Inventor Ronghua LAN
Ronghua LAN 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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Publication number: 20260179204Abstract: A method of acquiring an image, an apparatus of acquiring an image and a method of detecting a defect are provided, which relate to a field of image acquisition and processing. The method includes: capturing an image of a target object with lighting of a shadowless light source, where the image contains first and second regions of the target object which have different surface heights from each other; calculating N feature values of the image according to a relative positional relationship between the first and second regions; determining a displacement correction value of the shadowless light source according to the N feature values, in response to the N feature values not meeting a predetermined condition; and adjusting a position of the shadowless light source according to the displacement correction value to re-capture the image and re-calculate the N feature values until the N feature values meet the predetermined condition.Type: ApplicationFiled: March 3, 2023Publication date: June 25, 2026Inventors: Hao TANG, Hongxiang SHEN, Ronghua LAN, Jiuyang CHENG, Ting WANG, Qing ZHANG, Zhidong WANG, Quanguo ZHOU, Junrui ZHANG, Xuehui ZHU, Yancheng LU, Xiuru SUN, Meng GUO
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Publication number: 20260164126Abstract: The present disclosure discloses a focusing control method, apparatus and system, and a storage medium, which relates to the field of control. The focusing control method includes: controlling a carrier platform carrying a display panel to move in a preset direction at a preset speed; controlling a distance measuring sensor to measure a first distance between the distance measuring sensor and a detection point, wherein the detection point is a point on a surface of the display panel located at a preset distance measuring position; adjusting a distance between an image acquiring device and the detection point based on the first distance in a case where the detection point reaches a preset image acquiring position in a field of view of the image acquiring device; and controlling the image acquiring device to acquire an image of the surface of the display panel.Type: ApplicationFiled: December 19, 2022Publication date: June 11, 2026Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lijia ZHOU, Qing ZHANG, Huaqiang HE, Li WANG, Jiuyang CHENG, Hao TANG, Quanguo ZHOU, Zhidong WANG, Lirong XU, Ronghua LAN, Xiuru SUN, Junrui ZHANG, Xuehui ZHU, Xing LI, Zhili TIAN, Jiang SHU, Yize LIU, Guo JIANG
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Patent number: 12480886Abstract: A curved substrate bubble detection method includes: providing, by a first light source and a second light source, parallel light incident to a to-be-tested substrate in different incident directions; obtaining, by a linear array camera, a first image including image information of a first side edge of the to-be-tested substrate; determining location information of a defect region of the to-be-tested substrate according to the first image, and generating a second image including image information of the defect region; binarizing the second image, and determining that the to-be-tested substrate has a bubble defect if there are at least two bright spots in an obtained binarized image, and a distance between any two first bright spots of at least two first bright spots is less than a first preset value. A curved substrate bubble detection system is also disclosed.Type: GrantFiled: March 1, 2022Date of Patent: November 25, 2025Assignee: Beijing BOE Technology Development Co., Ltd.Inventors: Xing Li, Ruize Li, Hao Tang, Ronghua Lan, Jiuyang Cheng, Meng Guo, Zhihui Yang, Qing Zhang, Xuehui Zhu, Quanguo Zhou, Lijia Zhou, Yong Qiao, Zhong Huang, Lirong Xu
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Publication number: 20250336050Abstract: Method for processing an image, a computer-readable storage medium, and an electronic device. The method includes: acquiring a mark area in an original wiring image, and determining a first to-be-detected region of the original wiring image based on the mark area; performing boundary sharpening on the first to-be-detected region to determine a second to-be-detected region, and generating a target detection image based on the first to-be-detected region and the second to-be-detected region; and performing image recognition on the target detection image to detect a crack defect included in the original wiring image.Type: ApplicationFiled: May 8, 2023Publication date: October 30, 2025Applicant: BOE Technology Group Co., Ltd.Inventors: Hao TANG, Ronghua LAN, Jiuyang CHENG, Junrui ZHANG, Quanguo ZHOU, Zhidong WANG, Yancheng LU, Lijia ZHOU, Qing ZHANG, Xuehui ZHU, Lirong XU, Xiuru SUN
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Publication number: 20250182500Abstract: A seat belt wearing detection method includes: performing face detection on an image to be detected to obtain position information of one or more face detection boxes; recognizing a target face detection box located in a preset seat region from the one or more face detection boxes based on the position information of the one or more face detection boxes; cropping the image to be detected to obtain a target human body image corresponding to the target face detection box based on position information of the target face detection box; segmenting the target human body image to obtain a seat belt region image; and determining whether a person corresponding to the target human body image wears a seat belt based on the seat belt region image.Type: ApplicationFiled: December 16, 2022Publication date: June 5, 2025Inventors: Yuzhou PENG, Ronghua LAN
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Publication number: 20250148586Abstract: A method for detecting a display panel defect, including: collecting a panel image of a to-be-detected display panel, a plurality of first pixels of the display panel corresponding to a plurality of second pixels in the panel image; converting the panel image into a binary image; dilating each bright spot region in the binary image such that adjacent bright spot regions communicate with each other to form at least one closed communication region in the binary image; determining a region of interest mask image in the binary image in accordance with the at least one closed communication region; determining a region of interest in accordance with the region of interest mask image and the panel image; and performing feature identification on the region of interest to determine a defect of the display panel.Type: ApplicationFiled: January 8, 2025Publication date: May 8, 2025Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Hao TANG, Ronghua LAN, Jiuyang CHENG, Shuo ZHOU, Zhong HUANG, Guo JIANG, Li WANG, Lijia ZHOU, Zhidong WANG, Lirong XU, Quanguo ZHOU
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Patent number: 12205269Abstract: A method for detecting a display panel defect, including: collecting a panel image of a to-be-detected display panel, a plurality of first pixels of the display panel corresponding to a plurality of second pixels in the panel image; converting the panel image into a binary image; dilating each bright spot region in the binary image such that adjacent bright spot regions communicate with each other to form at least one closed communication region in the binary image; determining a region of interest mask image in the binary image in accordance with the at least one closed communication region; determining a region of interest in accordance with the region of interest mask image and the panel image; and performing feature identification on the region of interest to determine a defect of the display panel.Type: GrantFiled: June 11, 2021Date of Patent: January 21, 2025Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Hao Tang, Ronghua Lan, Jiuyang Cheng, Shuo Zhou, Zhong Huang, Guo Jiang, Li Wang, Lijia Zhou, Zhidong Wang, Lirong Xu, Quanguo Zhou
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Patent number: 12188829Abstract: A sensor includes: a substrate and at least one infrared temperature measurement unit disposed on the substrate. An infrared temperature measurement sub-unit includes: a first support portion, at least one second support portion, a thermocouple, and an infrared absorption portion. The thermocouple includes a first electrode and a second electrode, each of which includes a first end and a second end; the first ends of the first electrode and the second electrode are connected and disposed on the first support portion; the infrared absorption portion is disposed on the first support portion and covers the first ends of the first electrode and the second electrode; the second ends of the first electrode and the second electrode are not connected and disposed on the second support portion; and in the infrared temperature measurement unit, a cavity structure is included between at least the adjacent first and second support portions.Type: GrantFiled: August 20, 2021Date of Patent: January 7, 2025Assignee: BOE Technology Group Co., Ltd.Inventors: Fan Li, Junrui Zhang, Ronghua Lan, Zhidong Wang, Lijia Zhou
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Patent number: 12169348Abstract: An anti-glare apparatus includes a lens assembly having an incident side, the lens assembly including a layer of liquid crystal molecules, a first driving electrode and a second driving electrode respectively on both sides of the layer of the liquid crystal molecules, the first driving electrode or the second driving electrode including a plurality of sub-electrodes; a reflective layer on a side of the lens assembly opposite from the incident side; a camera, configured to acquire a human eye's position and acquire an intensity signal of incident light irradiating the incident side of the lens assembly; and a controller electrically connected to the first driving electrode, the second driving electrode, and the camera; where the controller is configured to adjust driving voltages of the sub-electrode based on the intensity signal of the incident light acquire by the camera to change the optical axis direction of the lens assembly.Type: GrantFiled: October 31, 2023Date of Patent: December 17, 2024Assignee: Beijing BOE Technology Development Co., Ltd.Inventors: Junrui Zhang, Ronghua Lan, Hongbo Feng, Xuehui Zhu, Hao Tang, Meng Guo, Jiuyang Cheng
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Publication number: 20240288376Abstract: A curved substrate bubble detection method includes: providing, by a first light source and a second light source, parallel light incident to a to-be-tested substrate in different incident directions; obtaining, by a linear array camera, a first image including image information of a first side edge of the to-be-tested substrate; determining location information of a defect region of the to-be-tested substrate according to the first image, and generating a second image including image information of the defect region; binarizing the second image, and determining that the to-be-tested substrate has a bubble defect if there are at least two bright spots in an obtained binarized image, and a distance between any two first bright spots of at least two first bright spots is less than a first preset value. A curved substrate bubble detection system is also disclosed.Type: ApplicationFiled: March 1, 2022Publication date: August 29, 2024Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xing Li, Ruize Li, Hao Tang, Ronghua Lan, Jiuyang Cheng, Meng Guo, Zhihui Yang, Qing Zhang, Xuehui Zhu, Quanguo Zhou, Lijia Zhou, Yong Qiao, Zhong Huang, Lirong Xu
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Patent number: 12000828Abstract: An embodiment of the disclosure provides an immunodetection chip, an immunodetection device and a using method. The immunodetection chip includes a substrate and a cover plate. The substrate is disposed opposite to the cover plate to form a detection chamber. One side, facing the cover plate, of the substrate is fixedly provided with substrate antibodies. An inside wall of the detection chamber is provided with a detection member. The detection member is configured to output a corresponding electrical signal while adsorbing biological magnetic beads. The substrate antibodies match with target antigens.Type: GrantFiled: March 25, 2019Date of Patent: June 4, 2024Assignee: BOE Technology Group Co., Ltd.Inventors: Hao Tang, Quanguo Zhou, Jiuyang Cheng, Lijia Zhou, Zhidong Wang, Yancheng Lu, Ronghua Lan
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Publication number: 20240061311Abstract: An anti-glare apparatus includes a lens assembly having an incident side, the lens assembly including a layer of liquid crystal molecules, a first driving electrode and a second driving electrode respectively on both sides of the layer of the liquid crystal molecules, the first driving electrode or the second driving electrode including a plurality of sub-electrodes; a reflective layer on a side of the lens assembly opposite from the incident side; a camera, configured to acquire a human eye's position and acquire an intensity signal of incident light irradiating the incident side of the lens assembly; and a controller electrically connected to the first driving electrode, the second driving electrode, and the camera; where the controller is configured to adjust driving voltages of the sub-electrode based on the intensity signal of the incident light acquire by the camera to change the optical axis direction of the lens assembly.Type: ApplicationFiled: October 31, 2023Publication date: February 22, 2024Applicant: BOE Technology Group Co., Ltd.Inventors: Junrui Zhang, Ronghua Lan, Hongbo Feng, Xuehui Zhu, Hao Tang, Meng Guo, Jiuyang Cheng
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Patent number: 11884213Abstract: An anti-glare apparatus (100), includes a lens assembly (120) having an incident side and a reflective layer (110) on the side of the lens assembly opposite from the incident side. The lens assembly includes a layer of liquid crystal molecules, a first driving electrode (132) and a second driving electrode (131) respectively on both sides of the layer of the liquid crystal molecules; at least one of the first driving electrode or the second driving electrode comprises a plurality of sub-electrodes. The lens assembly is configured to change an optical axis direction of the lens assembly by adjusting a driving voltage of at least one of the plurality of sub-electrodes.Type: GrantFiled: December 6, 2019Date of Patent: January 30, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Shan Gao, Ronghua Lan, Junrui Zhang
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Patent number: 11757158Abstract: An all-solid-state lithium battery is disclosed, including a substrate; and a plurality of layers of lithium battery units stacked on the substrate. Each layer of lithium battery unit of the plurality of layers of lithium battery units includes at least two electrode collector layers, a first electrode layer, an electrolyte layer and a second electrode layer. Two neighboring layers of lithium battery units share one of the electrode collector layers. A method for fabricating an all-solid-state lithium battery is further disclosed.Type: GrantFiled: August 12, 2019Date of Patent: September 12, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Quanguo Zhou, Lijia Zhou, Rongjian Yan, Zhidong Wang, Jiuyang Cheng, Ronghua Lan, Yancheng Lu, Qingguo Yang
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Patent number: 11646451Abstract: The present disclosure provides a semiconductor device, a manufacturing method thereof, and a power generating device. The semiconductor device includes a substrate and a thin film battery on the substrate. The thin film battery includes at least one anode structure and at least one cathode structure on the substrate, and a solid electrolyte layer spacing the at least one anode structure apart from the at least one cathode structure. Each anode structure includes an anode current collector on a surface of the substrate and an anode layer on the surface of the substrate and connected to a side surface of the anode current collector. Each cathode structure includes a cathode current collector on the surface of the substrate and a cathode layer on the surface of the substrate and connected to a side surface of the cathode current collector.Type: GrantFiled: December 18, 2019Date of Patent: May 9, 2023Assignee: BOE Technology Group Co., Ltd.Inventors: Zhidong Wang, Lijia Zhou, Quanguo Zhou, Ronghua Lan
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Patent number: 11594763Abstract: A method for manufacturing an all-solid lithium battery includes: providing a substrate; and forming M rows×N columns of lithium battery cells on the substrate, wherein each of the lithium battery cells includes a positive electrode current collector layer, a positive electrode layer, an electrolyte layer, a negative electrode layer, and a negative electrode current collector layer.Type: GrantFiled: April 24, 2019Date of Patent: February 28, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Quanguo Zhou, Lijia Zhou, Zhidong Wang, Rongjian Yan, Jiuyang Cheng, Ronghua Lan, Yungchiang Lee, Yancheng Lu, Qingguo Yang
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Publication number: 20230005130Abstract: A method for detecting a display panel defect, including: collecting a panel image of a to-be-detected display panel, a plurality of first pixels of the display panel corresponding to a plurality of second pixels in the panel image; converting the panel image into a binary image; dilating each bright spot region in the binary image such that adjacent bright spot regions communicate with each other to form at least one closed communication region in the binary image; determining a region of interest mask image in the binary image in accordance with the at least one closed communication region; determining a region of interest in accordance with the region of interest mask image and the panel image; and performing feature identification on the region of interest to determine a defect of the display panel.Type: ApplicationFiled: June 11, 2021Publication date: January 5, 2023Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Hao TANG, Ronghua LAN, Jiuyang CHENG, Shuo ZHOU, Zhong HUANG, Guo JIANG, Li WANG, Lijia ZHOU, Zhidong WANG, Lirong XU, Quanguo ZHOU
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Patent number: 11545197Abstract: An address latch, a display device, and an address latching method are disclosed. The address latch includes a write control circuit, a write latch circuit, a latch control circuit, an intermediate latch circuit, and an output latch circuit. The write latch circuit is configured to latch an address data in response to N write control signals generated by the write control circuit, N data bits of the address data are divided into (M?1) data bit groups; the latch control circuit is configured to sequentially generate M latch control signals; the intermediate latch circuit is configured to, in response to first to (M?1)-th latch control signals, latch first to (M?1)-th data bit groups latched by the write latch circuit in a time-division manner; and the output latch circuit is configured to output the address data latched by the intermediate latch circuit in response to an M-th latch control signal.Type: GrantFiled: March 26, 2020Date of Patent: January 3, 2023Assignee: Beijing BOE Technology Development Co., Ltd.Inventors: Ronghua Lan, Junrui Zhang, Xuehui Zhu, Zhidong Wang, Lijia Zhou
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Patent number: 11539307Abstract: The present disclosure proposes a micro power generation device including a plurality of generators stacked one above the other. Each of the plurality of generators includes: an upper electrode and a lower electrode spaced up and down; a spacer provided between peripheral edges of the upper electrode and the lower electrode; an upper friction material layer provided on a side of the upper electrode facing the lower electrode; and a lower friction material layer provided on a side of the lower electrode facing the upper electrode. The upper friction material layer, the lower friction material layer and the spacer together form a cavity. An intermediate spacer is provided between each adjacent two generators, each adjacent two generators and the intermediate spacer together form an intermediate cavity, and the intermediate cavity is filled with gas. A cavity of an upper one of any two adjacent generators communicates with the intermediate cavity between the two adjacent generators.Type: GrantFiled: January 14, 2020Date of Patent: December 27, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhidong Wang, Quanguo Zhou, Lijia Zhou, Ronghua Lan
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Patent number: 11515576Abstract: A battery and a manufacturing method thereof are disclosed. The battery includes at least one battery cell and at least one switching element; each of the at least one switching element is respectively connected to one or more of the at least one battery cell to control the one or more of the at least one battery cell.Type: GrantFiled: February 22, 2019Date of Patent: November 29, 2022Assignee: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.Inventors: Quanguo Zhou, Lipeng Jiang, Lijia Zhou, Zhidong Wang, Hao Tang, Jiuyang Cheng, Qingguo Yang, Ronghua Lan