Patents by Inventor PEIZHI CAI
PEIZHI CAI 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: 11876275Abstract: A liquid crystal phase shifter, a liquid crystal antenna, a communication apparatus, and a method for operating a liquid crystal phase shifter are provided. The liquid crystal phase shifter includes a microwave transmission structure and a phase adjustment structure opposite to each other, and a liquid crystal layer between the microwave transmission structure and the phase adjustment structure; wherein the phase adjustment structure comprises a plurality of phase adjustment units; the plurality of phase adjustment units are configured to change a dielectric constant of the liquid crystal layer according to a voltage applied to the phase adjustment units and a voltage applied to the microwave transmission structure, so as to adjust a phase of a microwave signal; and phase shift amounts adjusted by at least two of the plurality of phase adjustment units are different from each other.Type: GrantFiled: November 18, 2022Date of Patent: January 16, 2024Assignees: BEIJING BOE SENSOR TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Ying Wang, Tienlun Ting, Jie Wu, Xue Cao, Liang Li, Haocheng Jia, Peizhi Cai, Chuncheng Che
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Patent number: 11865538Abstract: A biological detection chip, a biological detection device, and a detection method thereof are disclosed. The biological detection chip includes a first base substrate and a plurality of detection units arranged in an array along a row direction and a column direction on the first base substrate. Each of the plurality of detection units includes a thin film transistor and an electrode, the thin film transistor is on the first base substrate and includes a gate electrode, a source electrode, and a drain electrode, and the electrode is on a side of the thin film transistor away from the first base substrate and is connected to the drain electrode, and the electrode is configured to carry a biological material to be detected.Type: GrantFiled: March 27, 2019Date of Patent: January 9, 2024Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Wenliang Yao, Nan Zhao, Peizhi Cai, Fengchun Pang, Yue Geng, Le Gu, Yuelei Xiao, Hui Liao, Yingying Zhao, Bolin Fan
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Publication number: 20240006762Abstract: There is provided a liquid crystal phase shifter including first and second substrates opposite to each other, and a liquid crystal layer between the first and second substrates. The first substrate includes a first base plate and a first electrode layer at a side of the first base plate proximal to the liquid crystal layer. The second substrate includes a second base plate and a second electrode layer at a side of the second base plate proximal to the liquid crystal layer. The first electrode layer includes a main body structure having a first side and a second side opposite to each other with respect to an extension direction of the main body structure, and a plurality of branch structures connected to at least one of the first side and the second side of the main body structure. The second electrode layer includes a plurality of first fingers.Type: ApplicationFiled: September 15, 2023Publication date: January 4, 2024Inventors: Liang LI, Tienlun TING, Jie WU, Xue CAO, Ying WANG, Haocheng JIA, Cuiwei TANG, Peizhi CAI, Chuncheng CHE
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Patent number: 11837802Abstract: A liquid crystal antenna unit and a liquid crystal phased array antenna are provided. The liquid crystal antenna unit includes: a first substrate, a second substrate opposite to the first substrate, a liquid crystal layer between the first substrate and the second substrate, a transmission line on a first surface and extending in a first direction along the first surface, a first antenna oscillator on the first surface and arranged as an elongated dipole extending in a second direction along the first surface, a second antenna oscillator on a surface of the second substrate distal to the first substrate and at a position corresponding to the first antenna oscillator, and a ground electrode on a surface of the first substrate distal to the second substrate.Type: GrantFiled: September 26, 2019Date of Patent: December 5, 2023Assignees: BEIJING BOE SENSOR TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jie Wu, Tienlun Ting, Xiangzhong Kong, Xue Cao, Ying Wang, Liang Li, Haocheng Jia, Peizhi Cai, Chuncheng Che
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Patent number: 11799179Abstract: There is provided a liquid crystal phase shifter including first and second substrates opposite to each other, and a liquid crystal layer between the first and second substrates. The first substrate includes a first base plate and a first electrode layer at a side of the first base plate proximal to the liquid crystal layer. The second substrate includes a second base plate and a second electrode layer at a side of the second base plate proximal to the liquid crystal layer. The first electrode layer includes a main body structure having a first side and a second side opposite to each other with respect to an extension direction of the main body structure, and a plurality of branch structures connected to at least one of the first side and the second side of the main body structure. The second electrode layer includes a plurality of first fingers.Type: GrantFiled: August 13, 2021Date of Patent: October 24, 2023Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Liang Li, Tienlun Ting, Jie Wu, Xue Cao, Ying Wang, Haocheng Jia, Cuiwei Tang, Peizhi Cai, Chuncheng Che
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Patent number: 11731125Abstract: A patterning method of a film is disclosed. The method including: providing a film including a first surface; forming n etching barrier layers on the first surface of the film, and n is an integer larger than or equal to 2; and performing n etching processes on the film to form a recessed structure on the first surface using the n etching barrier layers as masks, the recessed structure includes n bottom surfaces respectively having different depths. Two adjacent etching processes of the n etching processes include a previous etching process and a subsequent etching process, and after the previous etching process is completed, a part of the n etching barrier layers is removed to form a mask for the subsequent etching process; a material of the part of the n etching barrier layers which is removed is different from a material of the mask of the subsequent etching process.Type: GrantFiled: January 3, 2019Date of Patent: August 22, 2023Assignees: BEIJING BOE SENSOR TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yue Geng, Yuelei Xiao, Hui Liao, Peizhi Cai, Jian Li, Shenkang Wu
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Patent number: 11708604Abstract: A gene sequencing substrate and a method for manufacturing the same, and a gene sequencing device are provided. It belongs to the technical field of gene sequencing, and can solve the problem of high cost of the high-throughput sequencing chip in the prior art. The gene sequencing substrate of the present disclosure comprises a plastic material with concave structures as base substrate, and the concave structures serve as reaction cells. Since the base substrate has plasticity, the concave structures can be formed by a simple process to reduce the cost of the gene sequencing substrate. Meanwhile, a first protective layer may be provided on the inner wall of the concave structures for preventing the inner wall of the concave structures from being corroded by the reaction liquid.Type: GrantFiled: December 24, 2018Date of Patent: July 25, 2023Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Peizhi Cai, Fengchun Pang, Yue Geng, Le Gu, Chuncheng Che
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Publication number: 20230221607Abstract: A phase-shift unit includes: a first substrate and a second substrate provided opposite to each other; a medium layer provided between the first substrate and the second substrate; a microstrip line disposed at a side of the second substrate facing towards the first substrate; and a grounding layer provided at a side of the first substrate facing towards the second substrate and formed with a via hole; wherein a projection of the via hole onto the second substrate and a projection of the microstrip line onto the second substrate have an overlapped area therebetween; and wherein the via hole is configured to feed a phase-shifted microwave signal out of the phase-shift unit, or feed a microwave signal into the phase-shift unit such that the microwave signal is phase-shifted.Type: ApplicationFiled: March 14, 2023Publication date: July 13, 2023Inventors: Xue Cao, Junhui Wu, Ying Wang, Peizhi Cai, Zhifu Li, Lijun Mao, Jiaheng Wang
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Patent number: 11699772Abstract: Disclosed are an array substrate and a preparation method thereof, and a digital microfluidic chip. The preparation method includes: forming a plurality of photoelectric detection devices on a silicon-based substrate; transferring the photoelectric detection devices to a base substrate by adopting a micro transfer printing process; and forming a plurality of transparent driving electrodes on the base substrate, wherein the transparent driving electrodes are insulated from the photoelectric detection devices.Type: GrantFiled: March 19, 2020Date of Patent: July 11, 2023Assignees: Beijing BOE Sensor Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Xue Dong, Yue Geng, Peizhi Cai
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Patent number: 11698564Abstract: A phase-shift unit includes: a first substrate and a second substrate provided opposite to each other; a medium layer provided between the first substrate and the second substrate; a microstrip line disposed at a side of the second substrate facing towards the first substrate; and a grounding layer provided at a side of the first substrate facing towards the second substrate and formed with a via hole; wherein a projection of the via hole onto the second substrate and a projection of the microstrip line onto the second substrate have an overlapped area therebetween; and wherein the via hole is configured to feed a phase-shifted microwave signal out of the phase-shift unit, or feed a microwave signal into the phase-shift unit such that the microwave signal is phase-shifted.Type: GrantFiled: February 2, 2022Date of Patent: July 11, 2023Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xue Cao, Junhui Wu, Ying Wang, Peizhi Cai, Zhifu Li, Lijun Mao, Jiaheng Wang
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Patent number: 11691147Abstract: A digital microfluidic chip and a digital microfluidic system. The digital microfluidic chip comprises: an upper substrate and a lower substrate arranged opposite to each other; multiple driving circuits and multiple addressing circuits disposed between the lower substrate and the upper substrate; and a control circuit, electrically connected to the driving circuits and the addressing circuits. The control circuit is configured to apply, in a driving stage, a driving voltage to each driving circuit, such that a droplet is controlled to move inside a droplet accommodation space according to a set path, measure, in a detection stage, after a bias voltage is applied to each addressing circuit, a charge loss amount of each addressing circuit, and to determine the position of the droplet according to the charge loss amount. The charge loss amount of each addressing circuit is related to the intensity of received external light.Type: GrantFiled: July 26, 2019Date of Patent: July 4, 2023Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Mingyang Lv, Yue Li, Yanchen Li, Jinyu Li, Dawei Feng, Yu Zhao, Dong Wang, Wang Guo, Hailong Wang, Yue Geng, Peizhi Cai, Fengchun Pang, Le Gu, Chuncheng Che, Haochen Cui, Yingying Zhao, Nan Zhao, Yuelei Xiao, Hui Liao
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Patent number: 11684916Abstract: A chip for polymerase chain reaction, a method of operating a chip for polymerase chain reaction, and a reaction device are provided. The chip includes: a sample adding region, a mixing region, a temperature cycling region in a sequential arrangement, and at least one driving unit group. The at least one driving unit group includes a plurality of driving units and is configured to drive a liquid drop to move and sequentially pass through the sample adding region, the mixing region, and the temperature cycling region.Type: GrantFiled: January 9, 2019Date of Patent: June 27, 2023Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Wenliang Yao, Nan Zhao, Haochen Cui, Peizhi Cai, Fengchun Pang, Yue Geng, Le Gu, Yuelei Xiao, Hui Liao, Yingying Zhao, Chuncheng Che
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Patent number: 11637369Abstract: The present disclosure provides a signal conditioner, an antenna device and a manufacturing method. The signal conditioner includes: a microstrip line including a first portion and a second portion; an insulating layer including a first insulating layer covering the first portion; at least one electrode; a liquid crystal layer covering the microstrip line, the insulating layer, and the at least one electrode; and a common electrode line. A first end of the first portion is connected to a first end of the second portion. A second end of the first portion is connected to a second end of the second portion. The at least one electrode includes a first electrode on a side of the first insulating layer facing away from the first portion. The common electrode line is on a side of the liquid crystal layer facing away from the microstrip line.Type: GrantFiled: August 10, 2022Date of Patent: April 25, 2023Assignees: Beijing BOE Sensor Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Jie Wu, Tienlun Ting, Xiangzhong Kong, Liang Li, Xue Cao, Ying Wang, Haocheng Jia, Peizhi Cai, Chuncheng Che
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Publication number: 20230079873Abstract: A liquid crystal phase shifter, a liquid crystal antenna, a communication apparatus, and a method for operating a liquid crystal phase shifter are provided. The liquid crystal phase shifter includes a microwave transmission structure and a phase adjustment structure opposite to each other, and a liquid crystal layer between the microwave transmission structure and the phase adjustment structure; wherein the phase adjustment structure comprises a plurality of phase adjustment units; the plurality of phase adjustment units are configured to change a dielectric constant of the liquid crystal layer according to a voltage applied to the phase adjustment units and a voltage applied to the microwave transmission structure, so as to adjust a phase of a microwave signal; and phase shift amounts adjusted by at least two of the plurality of phase adjustment units are different from each other.Type: ApplicationFiled: November 18, 2022Publication date: March 16, 2023Inventors: Ying WANG, Tienlun TING, Jie WU, Xue CAO, Liang LI, Haocheng JIA, Peizhi CAI, Chuncheng CHE
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Patent number: 11585812Abstract: There is provided an influenza virus detection chip and a method for detecting influenza virus therewith. An influenza virus detection chip including: a graphene oxide film; a first pad disposed on one side of the graphene oxide film in a first direction; and a first electrode and a second electrode, connected to both ends of the graphene oxide film in a second direction perpendicular to the first direction, wherein a first monoclonal antibody with a fluorescent label is included in the first pad, and a second monoclonal antibody is included in the graphene oxide film, and wherein the fluorescent label includes a C?C—C?C conjugated double bond.Type: GrantFiled: February 7, 2018Date of Patent: February 21, 2023Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Fengchun Pang, Chuncheng Che, Hailin Xue, Xibin Shao, Peizhi Cai
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Patent number: 11577246Abstract: A microfluidic device and a detection method for the microfluidic device are provided. The microfluidic device includes a driving substrate configured to drive a movement of a droplet; and a position detector configured to detect a position of the droplet on the driving substrate.Type: GrantFiled: May 13, 2019Date of Patent: February 14, 2023Assignees: Beijing BOE Sensor Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Le Gu, Peizhi Cai, Fengchun Pang, Yue Geng, Yingying Zhao, Haochen Cui, Yuelei Xiao, Hui Liao, Wenliang Yao, Nan Zhao
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Patent number: 11563260Abstract: A liquid crystal phase shifter, a liquid crystal antenna, a communication apparatus, and a method for operating a liquid crystal phase shifter are provided. The liquid crystal phase shifter includes a microwave transmission structure and a phase adjustment structure opposite to each other, and a liquid crystal layer between the microwave transmission structure and the phase adjustment structure; wherein the phase adjustment structure comprises a plurality of phase adjustment units; the plurality of phase adjustment units are configured to change a dielectric constant of the liquid crystal layer according to a voltage applied to the phase adjustment units and a voltage applied to the microwave transmission structure, so as to adjust a phase of a microwave signal; and phase shift amounts adjusted by the plurality of phase adjustment units are different from each other.Type: GrantFiled: August 8, 2019Date of Patent: January 24, 2023Assignees: BEIJING BOE SENSOR TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Ying Wang, Tienlun Ting, Jie Wu, Xue Cao, Liang Li, Haocheng Jia, Peizhi Cai, Chuncheng Che
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Patent number: 11534758Abstract: A micro-total analysis system and a method thereof are provided. The micro-total analysis system includes: a microfluidic device, configured to accommodate a liquid to be detected; an optical unit, configured to form a first light irradiated to the microfluidic device; and a detection unit, configured to detect the liquid to be detected and output a detection signal to obtain detection information.Type: GrantFiled: August 16, 2018Date of Patent: December 27, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xue Dong, Yanling Han, Haisheng Wang, Chuncheng Che, Xiaoliang Ding, Yingming Liu, Yuzhen Guo, Wanxian Xu, Peizhi Cai, Haochen Cui, Fengchun Pang
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Publication number: 20220393330Abstract: The present disclosure provides a signal conditioner, an antenna device and a manufacturing method. The signal conditioner includes: a microstrip line including a first portion and a second portion; an insulating layer including a first insulating layer covering the first portion; at least one electrode; a liquid crystal layer covering the microstrip line, the insulating layer, and the at least one electrode; and a common electrode line. A first end of the first portion is connected to a first end of the second portion. A second end of the first portion is connected to a second end of the second portion. The at least one electrode includes a first electrode on a side of the first insulating layer facing away from the first portion. The common electrode line is on a side of the liquid crystal layer facing away from the microstrip line.Type: ApplicationFiled: August 10, 2022Publication date: December 8, 2022Inventors: Jie Wu, Tienlun Ting, Xiangzhong Kong, Liang Li, Xue Cao, Ying Wang, Haocheng Jia, Peizhi Cai, Chuncheng Che
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Patent number: 11498068Abstract: A microfluidic device, a microfluidic detection assembly and a detection method for the microfluidic device. The microfluidic device includes a first substrate and a second substrate; the first substrate and the second substrate are oppositely arranged to define a channel between the first substrate and the second substrate, the channel is configured for liquid to flow, the first substrate includes a base substrate and a plurality of control assemblies which are arranged on the base substrate along an extending direction of the channel, each of the plurality of control assemblies includes: a first electrode, a second electrode and a plurality of coils, and the first electrode is configured to input currents into the plurality of coils, and the plurality of coils are connected in parallel to the second electrode.Type: GrantFiled: January 2, 2019Date of Patent: November 15, 2022Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., Beijing BOE Technology Development Co., Ltd.Inventors: Wenliang Yao, Haochen Cui, Peizhi Cai, Yuelei Xiao, Fengchun Pang, Yue Geng, Le Gu, Nan Zhao, Hui Liao, Yingying Zhao, Chuncheng Che