Patents by Inventor Jingjing Zhang
Jingjing Zhang 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: 20250149522Abstract: A display substrate, including: a base substrate including at least a side edge and a display area; a plurality of pixel units disposed in the display area, a second pixel unit is located on a side of a first pixel unit close to the side edge, edges of the second pixel unit include the side edge, a third pixel unit is located between the first pixel unit and the second pixel unit, and the third pixel unit is adjacent to the second pixel unit; and a plurality of light emitting diode chips disposed on the base substrate, a first light emitting diode chip is located in the first pixel unit, a part of a second light emitting diode chip is located in the second pixel unit, and the other part of the second light emitting diode chip is located in the third pixel unit.Type: ApplicationFiled: January 7, 2025Publication date: May 8, 2025Inventors: Wei Li, Can Wang, Can Zhang, Li Xiao, Minghua Xuan, Lijun Yuan, Jinfei Niu, Jingjing Zhang, Guangcai Yuan
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Patent number: 12295193Abstract: A display substrate and a display device are provided. The display substrate includes light emitting diode chips, each light emitting diode chip includes light emitting units which respectively emit light of different colors, each light emitting unit includes a first electrode, a light emitting layer, a base and a second electrode, and the base and the second electrode are respectively located at both sides of the light emitting layer. In each light emitting diode chip, the light emitting units share the base and the first electrode, the light emitting layers of the light emitting units emit light of the same color, and at least one light emitting unit further includes a first color conversion layer located at a side of the base away from the light emitting layer, so as to convert first color light emitted by the light emitting layer into second color light.Type: GrantFiled: March 11, 2021Date of Patent: May 6, 2025Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Can Wang, Wei Li, Lijun Yuan, Jingjing Zhang, Can Zhang, Jinfei Niu, Ning Cong, Minghua Xuan, Xiaochuan Chen, Xue Dong, Qi Qi
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Patent number: 12283234Abstract: A pixel driving circuit including a driving circuit, a first light emission control circuit and a first digital circuit. The driving circuit is connected to a first power source end, a first node and the light-emitting unit, and is used for providing, according to the voltage of the first node, a driving current for the light-emitting unit by using the first power source end; the first light emission control circuit is connected to a first digital signal end; and the first digital circuit comprises a first signal conversion circuit, and the first signal conversion circuit is connected to a first analog signal end and the first digital signal end and is used for inputting the first digital signal into the first digital signal end according to a first analog signal of the first analog signal end.Type: GrantFiled: April 23, 2024Date of Patent: April 22, 2025Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Can Wang, Yan Qu, Can Zhang, Minghua Xuan, Xiaochuan Chen, Ning Cong, Jinfei Niu, Jingjing Zhang
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Patent number: 12265681Abstract: The present disclosure provides a display device. The display device includes a transparent cover plate, a display panel, a frame assembly and an infrared touch assembly. The frame assembly includes an outer frame and a light filtering strip. The light filtering strip is provided with a light filtering part that presses at a front side edge of the transparent cover plate. The outer frame includes an outer frame body, a front frame wall and a rear frame wall. An outer side end of the front frame wall is connected to the outer frame body. An inner side end of the front frame wall presses on a front side surface of the light filtering part. An outer side end of the rear frame wall is connected to the outer frame body. The infrared touch assembly is fixed between the front frame wall and the rear frame wall.Type: GrantFiled: May 31, 2022Date of Patent: April 1, 2025Assignees: K-TRONICS (SUZHOU) TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jingjing Zhang, Wei Huang, Zhaoxi Yu, Guangning Hao, Shu Zhang, Ze Jin, Zhongcheng Li, Wenbo Dong
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Patent number: 12266679Abstract: A display substrate and a display device are provided. The display substrate includes light emitting diode chips, each light emitting diode chip includes light emitting units which respectively emit light of different colors, each light emitting unit includes a first electrode, a light emitting layer, a base and a second electrode, and the base and the second electrode are respectively located at both sides of the light emitting layer. In each light emitting diode chip, the light emitting units share the base and the first electrode, the light emitting layers of the light emitting units emit light of the same color, and at least one light emitting unit further includes a first color conversion layer located at a side of the base away from the light emitting layer, so as to convert first color light emitted by the light emitting layer into second color light.Type: GrantFiled: March 11, 2021Date of Patent: April 1, 2025Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Can Wang, Wei Li, Lijun Yuan, Jingjing Zhang, Can Zhang, Jinfei Niu, Ning Cong, Minghua Xuan, Xiaochuan Chen, Xue Dong, Qi Qi
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Publication number: 20250089417Abstract: The present disclosure provides a display apparatus, a display panel and a method of preparing the same. A display panel includes: a base substrate; and a plurality of light-emitting units provided on the base substrate, where each of the light-emitting units includes a first electrode, a first semiconductor layer, a light-emitting layer, a second semiconductor layer, and a second electrode which are stacked, the first electrode is provided on a side of the second electrode facing away from the base substrate, and the plurality of light-emitting units share a common first electrode. The present disclosure can improve display resolution.Type: ApplicationFiled: July 19, 2022Publication date: March 13, 2025Inventors: Can WANG, Xiaochuan CHEN, Minghua XUAN, Can ZHANG, Ning CONG, Jinfei NIU, Jingjing ZHANG
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Publication number: 20250078726Abstract: A pixel circuit, a driving method thereof, a display substrate and a display device are disclosed. The pixel circuit includes a driving circuit and a light-emitting element, the driving circuit is configured to provide a driving current and control a conducting duration of a current pathway between the first power supply terminal and the second power supply terminal; the light-emitting element is configured to receive the driving current in the current pathway and emit light; the driving circuit includes a current control sub-circuit and a duration control sub-circuit; the current control sub-circuit is configured to provide a driving current to the first node under the control of the first scanning signal terminal, the first data signal terminal and the first power supply terminal in a display stage and a non-display stage.Type: ApplicationFiled: June 17, 2022Publication date: March 6, 2025Inventors: Can ZHANG, Ning CONG, Can WANG, Jinfei NIU, Jingjing ZHANG, Minghua XUAN, Xiaochuan CHEN
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Publication number: 20250078727Abstract: A pixel circuit, a driving method therefor, a display substrate and a display device are provided. The pixel circuit includes a drive circuit and a light emitting element connected in series between a first power supply terminal and a third power supply terminal; the drive circuit is used for providing a drive current and controlling a time length of conduction of a current path between the first power supply terminal and the third power supply terminal; the light emitting element is used for receiving the drive current in the current path and emitting light; the drive circuit includes a drive control sub-circuit, a light emitting control sub-circuit and a time-length control sub-circuit; the drive control sub-circuit is used for providing a drive current to the first node under control of the first scan signal terminal, the first data signal terminal and the second node.Type: ApplicationFiled: June 21, 2022Publication date: March 6, 2025Inventors: Jinfei NIU, Minghua XUAN, Can ZHANG, Can WANG, Ning CONG, Jingjing ZHANG, Xiao BAI
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Patent number: 12237316Abstract: A display substrate, including: a base substrate including at least a side edge and a display area; a plurality of pixel units disposed in the display area, a second pixel unit is located on a side of a first pixel unit close to the side edge, edges of the second pixel unit include the side edge, a third pixel unit is located between the first pixel unit and the second pixel unit, and the third pixel unit is adjacent to the second pixel unit; and a plurality of light emitting diode chips disposed on the base substrate a first light emitting diode chip is located in the first pixel unit, a part of a second light emitting diode chip is located in the second pixel unit, and the other part of the second light emitting diode chip is located in the third pixel unit.Type: GrantFiled: June 25, 2021Date of Patent: February 25, 2025Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Wei Li, Can Wang, Can Zhang, Li Xiao, Minghua Xuan, Lijun Yuan, Jinfei Niu, Jingjing Zhang, Guangcai Yuan
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Publication number: 20250061846Abstract: A pixel circuit includes a driving circuit, a control circuit and a gating circuit. The driving circuit is configured to control, under control of a scan signal and a signal received at an enable signal control terminal, on and off of a current path for transmitting a driving current signal. The control circuit is configured to transmit, under control of a control signal received at a control signal terminal, a first enable signal received at a first enable signal terminal or a second enable signal received at a second enable signal terminal to a first node. The gating circuit is configured to transmit, in response to an enable signal received at the first node, a first constant voltage signal received at the first constant voltage signal terminal or a second constant voltage signal received at the second constant voltage signal terminal to the enable signal control terminal.Type: ApplicationFiled: November 6, 2024Publication date: February 20, 2025Applicants: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Ning CONG, Can ZHANG, Minghua XUAN, Jinfei NIU, Can WANG, Jingjing ZHANG, Jiakui YAN
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Publication number: 20250055662Abstract: A full-duplex communication apparatus and method are provided, and relate to the field of communication technologies, to improve a self-interference cancellation capability of the full-duplex communication apparatus. The full-duplex communication apparatus includes a first antenna, a second antenna, and a gating apparatus. The full-duplex communication apparatus may receive a first signal from the first antenna through the gating apparatus, and perform interference suppression or cancellation on the first signal; and may further transmit a signal through the second antenna.Type: ApplicationFiled: October 28, 2024Publication date: February 13, 2025Inventors: Jingjing ZHANG, Bin LIU, Hantao LI, Gaoke DU, Huilian YANG, Jin LI
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Publication number: 20250040327Abstract: Embodiments of the present application provide a display panel, a display device, and a method for manufacturing the display panel. The display panel includes a substrate, a light emitter, a first electrode and a light collimating unit. The light emitter is on a side of the substrate. The first electrode is on a side of the light emitter away from the substrate. The light collimator is on a side of the first electrode away from the substrate, and the light collimator includes at least one microstructure, in a direction away from the substrate, a cross-sectional area of each of the at least one microstructure decreases.Type: ApplicationFiled: July 19, 2022Publication date: January 30, 2025Inventors: Jingjing ZHANG, Can WANG, Xiaochuan CHEN, Minghua XUAN, Can ZHANG, Ning CONG, Jinfei NIU
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Publication number: 20250027119Abstract: A Lactobacillus plantarum 121-5 is disclosed. The preservation number is CGMCC No. 27418, and the Lactobacillus plantarum is preserved in the China general microbiological culture collection center on May 24, 2023. The Lactobacillus plantarum 121-5 has high beta-glucosidase activity, can efficiently convert polydatin to prepare resveratrol, and has short conversion time and high conversion rate. Meanwhile, the conversion condition is mild, safe and reliable, and the large-scale preparation is easy. The strain is directly applied to fermentation of foods and medicines (edible and medicinal plants or fruits and vegetables) containing polydatin, so that the resveratrol content in a fermentation product is improved, and the biological activity of the product is improved.Type: ApplicationFiled: July 18, 2024Publication date: January 23, 2025Inventors: WENJIAO XUE, CHEN LIU, CHAO AN, JINGJING ZHANG, YAO LIU, HAO DING, QIWEN ZHANG, SAIJIAN MA
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Publication number: 20250014502Abstract: A pixel circuit includes a light emitting circuit, a light emitting control circuit, a first control circuit and a switch control circuit; the light emitting control circuit controls to connect the control voltage input terminal and the light emitting circuit under the control of a light emitting control signal provided by the light emitting control terminal; the light emitting circuit emits light according to a control voltage provided by the control voltage input terminal; the first control circuit controls a switch control signal under the control of a scanning signal according to a data voltage; N is an integer greater than 1; the switch control circuit includes N switch control terminals, N light emitting control voltage terminals and N switch control sub-circuits; n is a positive integer less than or equal to N.Type: ApplicationFiled: July 29, 2022Publication date: January 9, 2025Inventors: Ning CONG, Minghua XUAN, Can ZHANG, Can WANG, Jinfei NIU, Jingjing ZHANG
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Publication number: 20250014514Abstract: A pixel driving circuit includes a driving sub-circuit and a control sub-circuit. The driving sub-circuit is coupled to a data signal terminal, a scan signal terminal, a first power supply voltage terminal, an enable signal control terminal and an element to be driven, and the driving sub-circuit is configured to, in response to an enable signal, transmit a generated driving signal to the element to be driven, and control a current path transmitting the driving signal to be turned on and off. The control sub-circuit is coupled to the enable signal control terminal, and the control sub-circuit is configured to, in response to a signal received at the control signal terminal, transmit a signal 10 received at a first enable signal terminal or a signal received at a second enable signal terminal to the enable signal control terminal.Type: ApplicationFiled: July 21, 2022Publication date: January 9, 2025Applicants: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Ning CONG, Li XIAO, Haoliang ZHENG, Can ZHANG, Minghua XUAN, Xiaochuan CHEN, Can WANG, Jinfei NIU, Jingjing ZHANG
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Publication number: 20250002966Abstract: An aureobasidium pullulans P1 and application thereof in rare saponin conversion, and belongs to the technical field of microorganisms and biological medicines. The strain preservation number is CGMCC No.23227. The Aureobasidium pullulans P1 can be used for preparing rare ginsenoside Rg3 and CK by converting ginsenoside Rb1 by beta-glycosidase through fermentation, the target products are various and definite, other impurities have small interference, the products are easy to generate, the conversion specificity is high, the efficiency is high, the product recovery rate is over 60%, and the method has obvious advantages in the process of producing Rg3 and CK by mass fermentation.Type: ApplicationFiled: July 14, 2024Publication date: January 2, 2025Inventors: Wenjiao Xue, Chao An, Saijian Ma, Qiwen Zhang, Hao Ding, Chen Liu, Yao Liu, Jingjing Zhang
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Publication number: 20250006873Abstract: A chip structure is provided. The chip structure includes: a chip wafer unit and a color conversion layer unit arranged on a light-exit side of the chip wafer unit. The chip wafer unit includes a plurality of sub-pixel light-emitting function layers. The color conversion layer unit includes color conversion layers arranged on the light-exit side of the chip wafer unit. The chip structure further includes: an attaching layer, arranged between the chip wafer unit and the color conversion layer unit and configured to attach the chip wafer unit and the color conversion layer unit.Type: ApplicationFiled: June 20, 2022Publication date: January 2, 2025Inventors: Wei LI, Mingxing WANG, Xiao ZHANG, Minghua XUAN, Can ZHANG, Can WANG, Dongliang ZHANG, Qian JIN, Xiang LI, Jingjing ZHANG, Jinfei NIU
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Publication number: 20240405172Abstract: The present disclosure provides a light-emitting substrate. The light-emitting substrate includes a backboard, a light-emitting layer and a plurality of first optical bodies. The light-emitting layer is located on a side of the backboard; the light-emitting layer includes a plurality of light-emitting units, and the plurality of light-emitting units are arranged in an array. Each first optical body includes a first optical portion and a second optical portion; a gap between two adjacent light-emitting units is filled with the first optical portion, and the second optical portion is located on a side of the light-emitting layer away from the backboard, and is connected to the first optical portion. The second optical portion includes a first surface extending outwards from an edge of the first optical portion.Type: ApplicationFiled: July 19, 2022Publication date: December 5, 2024Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Can ZHANG, Can WANG, Minghua XUAN, Xiaochuan CHEN, Ning CONG, Jinfei NIU, Jingjing ZHANG
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Publication number: 20240385457Abstract: An eye movement tracking device includes: a light source located at the light-emitting side of the display module and configured for providing a first light ray for irradiating an eye; a plurality of photoelectric sensing elements arranged in a non-display region of the display module and configured for receiving a second light ray to determine a position of a pupil of the eye; an optical structure located between the optical lens and the display module, including a plurality of optical transparent areas in one-to-one correspondence to the plurality of photoelectric sensing elements, each of the optical transparent areas being configured for transmitting the second light ray to a corresponding photoelectric sensing element; the second light ray being a light ray which passes through a center point of the optical lens after the first light ray is reflected back by the eye. An eye movement tracking method is also disclosed.Type: ApplicationFiled: January 10, 2022Publication date: November 21, 2024Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Wenhao Tian, Lei Wang, Xuan Feng, Yunke Qin, Yue Tong, Yapeng Li, Jingjing Zhang
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Publication number: 20240370123Abstract: The present disclosure provides a display device. The display device includes a transparent cover plate, a display panel, a frame assembly and an infrared touch assembly. The frame assembly includes an outer frame and a light filtering strip. The light filtering strip is provided with a light filtering part that presses at a front side edge of the transparent cover plate. The outer frame includes an outer frame body, a front frame wall and a rear frame wall. An outer side end of the front frame wall is connected to the outer frame body. An inner side end of the front frame wall presses on a front side surface of the light filtering part. An outer side end of the rear frame wall is connected to the outer frame body. The infrared touch assembly is fixed between the front frame wall and the rear frame wall.Type: ApplicationFiled: May 31, 2022Publication date: November 7, 2024Inventors: Jingjing ZHANG, Wei HUANG, Zhaoxi YU, Guangning HAO, Shu ZHANG, Ze JIN, Zhongcheng LI, Wenbo DONG