Patents by Inventor Biao Xu
Biao Xu 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: 20250072289Abstract: The present disclosure generally relates to high-performance flexible thermoelectric generators (f-TEGs) for heat concentration and dissipation. In some embodiments, the f-TEGs can be incorporated into wearable devices. The f-TEG device can include an f-TEG network of thermoelectric units that include multifunctional thin copper disks that can be used as electrodes, heat concentrators and spreaders, spacers, and flexibility enablers. Each electrode can include a spacer extending therefrom to suppress the heat loss between the hot and the cold sides through conduction and convection across a thermoelectric pillar disposed therebetween. In some embodiments, the f-TEG network can be associated with a fabric to provide good wearability and comfort even in wet thermal environments.Type: ApplicationFiled: January 28, 2023Publication date: February 27, 2025Inventors: Qian XU, Gang CHEN, Weishu LIU, Biao DENG, Pengxiang ZHANG
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Publication number: 20250058437Abstract: An impact tool includes a motor including or connected to a drive shaft for outputting power and is rotatable about a first axis, an impact assembly including a main shaft and a spring sleeved on the main shaft, a transmission assembly for transmitting the power output by the drive shaft to the main shaft, a main shaft bearing for supporting the main shaft, and a second bearing for supporting the drive shaft. The projections of the second bearing, the main shaft bearing and the spring on a reference plane perpendicular to the up and down direction have an overlapping region.Type: ApplicationFiled: November 1, 2024Publication date: February 20, 2025Inventors: Rui Xu, Yuyi Zheng, Chen Wang, Masatoshi Fukinuki, Biao Zhang, Hongtao Ke, Hengyong Hu, Chuan Geng, Xiaoyong Wang, Di Wu
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Patent number: 12221843Abstract: An automatic detection function-integrated detection apparatus includes a drill rod and an elastic water storage bag; two sides of the drill rod are a head region and a tail region, respectively; an interior of the drill rod has a water supply channel, a side wall of the drill rod is provided with a first channel, and a first valve is disposed in the first channel. The automatic detection function-integrated detection apparatus and method for the water flowing fractured zone may complete the detection of the water flowing fractured zone while drilling, and thus the labor intensity of workers may be reduced.Type: GrantFiled: July 3, 2024Date of Patent: February 11, 2025Assignee: SICHUAN UNIVERSITYInventors: Nuwen Xu, Zhuang Li, Biao Li, Peiwei Xiao, Rong Yang, Yong Xia, Bei Jiang, Haoyu Mao, Xinchao Ding, Guo Liao, Zhi Li, Yuepeng Sun, Zhiqiang Sun, Sen Yang
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Publication number: 20250035493Abstract: A multispectral light field imaging system includes a primary lens, a microlens array, a first relay lens, a dichroic lens, a second relay lens, a third relay lens, a first image sensor, a first filter, a second image sensor and a second filter, wherein the microlens array is located at an image plane of the primary lens; the first relay lens together with the second relay lens and the third relay lens forms a 1:1 relay lens group imaging system on a spectral band 1 light path and a spectral band 2 light path respectively; the dichroic lens forms an included angle of 45° with a light axis; the first image sensor is located at a focal plane of the second relay lens, and the second image sensor is located at a focal plane of the third relay lens.Type: ApplicationFiled: September 26, 2024Publication date: January 30, 2025Applicant: SOUTHEAST UNIVERSITYInventors: Chuanlong XU, Manfu CHEN, Jian LI, Biao ZHANG
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Publication number: 20250023126Abstract: In some embodiments, temperature-testing apparatuses that each include a pair of spaced-apart pressure plates, a testing plate, and a pressure fixture. The testing plate may comprise a working face with a plurality of recesses that confronts a face of the battery cell being tested, a temperature sensor in each one of the plurality of recesses, and electronic circuitry in operative communication with each of the temperature sensors. In some embodiments, the pressure fixture is a constant-pressure mechanism. In some embodiments, the pressure fixture is a constant-gap pressure mechanism. Systems containing such temperature-testing apparatuses and methods of testing with such temperature-testing apparatuses are also disclosed.Type: ApplicationFiled: July 12, 2024Publication date: January 16, 2025Inventors: Yong Duan, Luyong Shen, Biao Xu
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Patent number: 12135409Abstract: An optical imaging lens group includes a first lens through a seventh lens sequentially arranged from an object side to an image side along an optical axis. The first lens has positive refractive power, and object-side and image-side surfaces thereof are a convex surface and a concave surface, respectively. The second lens has negative refractive power, and object-side and image-side surfaces of the second lens are a convex surface and a concave surface, respectively. The fourth and fifth lenses both have refractive power. The third and sixth lenses both have positive refractive power. The seventh lens has negative refractive power, and an object-side surface thereof has a concave surface. A distance along the optical axis TTL from the object-side surface of the first lens to an imaging plane and half of a diagonal length ImgH of an effective pixel area on the imaging plane satisfy TTL/ImgH<1.3.Type: GrantFiled: September 24, 2020Date of Patent: November 5, 2024Assignee: ZHEJIANG SUNNY OPTICAL CO., LTDInventors: Fujian Dai, Kaiyuan Zhang, Biao Xu
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Patent number: 12044826Abstract: The present disclosure discloses an optical imaging lens assembly including a first lens, a second lens, a third lens, a fourth lens, and a fifth lens, which are sequentially arranged from an object side to an image side along an optical axis. The first lens has positive refractive power, and an object-side surface of the first lens is a convex surface. The second lens has refractive power, and an image-side surface of the second lens is a concave surface. The third lens has refractive power. The fourth lens has refractive power. The fifth lens has negative refractive power. A total effective focal length f of the optical imaging lens assembly and a combined focal length f123 of the first lens, the second lens and the third lens satisfy 0.6<f/f123<1.Type: GrantFiled: September 14, 2020Date of Patent: July 23, 2024Assignee: Zhejiang Sunny Optical Co., LtdInventors: Jiaying Zhang, Biao Xu
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Patent number: 12004375Abstract: Provided is a pixel defining layer of an organic light-emitting diode display panel. The pixel defining layer includes: an insulating transparent cladding layer; and a reflecting layer in the transparent cladding layer, wherein the reflecting layer is configured to reflect light emitted from a light-emitting layer of the organic light-emitting diode display panel. Organic light-emitting diode display panels and methods for manufacturing an organic light-emitting diode display panel are also provided.Type: GrantFiled: June 5, 2020Date of Patent: June 4, 2024Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD, BOE TECHNOLOGY GROUP CO., LTDInventors: Biao Xu, Hungchieh Hu, Heng Yang
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Publication number: 20240166690Abstract: Provided is a novel peripherally restricted multi-target cyclopeptide molecule for an opioid receptor and a neuropeptide FF (NPFF) receptor, or a pharmaceutically acceptable salt thereof. By using DN-9 as a chemical template, structural optimization is performed on opioid peptide and NPFF pharrnacophores by means of polypeptide chemical strategies such as amino acid replacement and cyclization modification to obtain a series of cyclopeptide molecules. The cyclopeptide molecules can activate both opioid receptors and NPFF receptors, and the analgesic activity and the analgesic duration thereof are greatly increased compared with parent DN-9 molecules, and opioid side effects such as analgesic tolerance, constipation, and addiction are reduced.Type: ApplicationFiled: February 22, 2022Publication date: May 23, 2024Inventors: Quan FANG, Mengna ZHANG, Biao XU, Run ZHANG, Ning LI
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Publication number: 20240124838Abstract: The present disclosure provides a method for separating a neural crest derived cell from peripheral blood. In the present disclosure, a mononuclear cell is separated from the peripheral blood and then directly cultured, thereby maximizing use of a neural crest stem cell with a differentiation potential to avoid loss of the neural crest stem cell. In the method of the present disclosure, a sample to be separated is derived from the peripheral blood. The method shows less trauma and low cost. Most importantly, compared to extracting the neural crest derived cell from tissues, the neural crest derived cell extracted from the peripheral blood can be used clinically as a type of biomarker.Type: ApplicationFiled: October 12, 2023Publication date: April 18, 2024Inventors: Jianlin LOU, Yongxin LI, Lingfang FENG, Xiaoxue GONG, Xiaowen DONG, Jiahui YAO, Jing HUANG, Shuang LIU, Biao XU, Yao QIN, Fan WU
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Patent number: 11940600Abstract: The present disclosure discloses a camera lens assembly including, sequentially from an object side to an image side along an optical axis, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens. The first lens has negative refractive power; the second lens has positive refractive power, and an image-side surface thereof is a concave surface; the third lens has positive refractive power, and an image-side surface thereof is a convex surface; the fourth lens has refractive power; the fifth lens has refractive power; the sixth lens has positive refractive power; and the seventh lens has negative refractive power. And an effective focal length f2 of the second lens and a total effective focal length f of the camera lens assembly satisfy 2<f2/f<4.5.Type: GrantFiled: September 2, 2020Date of Patent: March 26, 2024Assignee: ZHEJIANG SUNNY OPTICAL CO., LTDInventors: Biao Xu, Kaiyuan Zhang
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Patent number: 11914110Abstract: The disclosure discloses a photographic optical system, sequentially includes from an object side to an image side along an optical axis: a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens. Wherein the first lens has a positive refractive power, an object-side surface thereof is a convex surface, an image-side surface is a concave surface. The second lens has a negative refractive power, an object-side surface thereof is a convex surface, an image-side surface is a concave surface. The sixth lens has a negative refractive power. TTL is a distance from the object-side surface of the first lens to an imaging surface of the photographic optical system on the optical axis and ImgH is a half the diagonal length of an effective pixel area on the imaging surface of the photographic optical system, and TTL and ImgH satisfy TTL/ImgH<1.5.Type: GrantFiled: July 11, 2019Date of Patent: February 27, 2024Assignee: ZHEJIANG SUNNY OPTICS CO., LTD.Inventors: Kaiyuan Zhang, Biao Xu, Lin Huang
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Patent number: 11867880Abstract: The present disclosure discloses an optical imaging system, sequentially from an object side to an image side of the optical imaging system along an optical axis, including: a first lens having refractive power; a second lens having negative refractive power; a third lens having refractive power; a fourth lens having positive refractive power; a fifth lens having refractive power; a sixth lens having refractive power; and a seventh lens having refractive power, a concave object-side surface, and a concave image-side surface. Half of a diagonal length ImgH of an effective pixel area on an imaging plane of the optical imaging system may satisfy ImgH>6.0 mm. A total effective focal length f of the optical imaging system and an entrance pupil diameter EPD of the optical imaging system may satisfy f/EPD<1.9.Type: GrantFiled: September 30, 2020Date of Patent: January 9, 2024Assignee: Zhejiang Sunny Optical Co., LtdInventors: Xiaofang Wang, Biao Xu, Kaiyuan Zhang, Fujian Dai, Liefeng Zhao
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Patent number: 11862411Abstract: A membrane circuit board includes a first membrane substrate, a spacer substrate, a second membrane substrate and a third membrane substrate. The first membrane substrate includes a first gas channel and a first conductive contact. The spacer substrate includes a first gas hole and a second gas hole. The second membrane substrate includes a second gas channel, a second conductive contact, a third gas hole and a fourth gas hole. The second gas channel is in communication with the third gas hole and the fourth gas hole. The second gas channel is in communication with the first gas channel through the first gas hole and the second gas hole. The third membrane substrate includes a third gas channel. The third gas channel is in communication with the second gas channel through the third gas hole and the fourth gas hole.Type: GrantFiled: July 15, 2022Date of Patent: January 2, 2024Assignee: PRIMAX ELECTRONICS LTD.Inventors: Chuang-Shu Jhuang, De-Guang Zhu, Rong-Biao Xu
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Publication number: 20230395339Abstract: A membrane circuit board includes a first membrane substrate, a spacer substrate, a second membrane substrate and a third membrane substrate. The first membrane substrate includes a first gas channel and a first conductive contact. The spacer substrate includes a first gas hole and a second gas hole. The second membrane substrate includes a second gas channel, a second conductive contact, a third gas hole and a fourth gas hole. The second gas channel is communication between the third gas hole and the fourth gas hole. The second gas channel is in communication with the first gas channel through the first gas hole and the second gas hole. The third membrane substrate includes a third gas channel. The third gas channel is in communication with the second gas channel through the third gas hole and the fourth gas hole.Type: ApplicationFiled: July 15, 2022Publication date: December 7, 2023Inventors: Chuang-Shu Jhuang, De-Guang Zhu, Rong-Biao Xu
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Patent number: 11768353Abstract: An optical imaging system includes an optical lens group including, sequentially along an optical axis from an object side to an image side, a first lens, a second lens, a third lens, and a fourth lens; a lens barrel, the optical lens group is accommodated in the lens barrel; and a plurality of spacers including at least two spacers disposed between the third lens and the fourth lens; the diameter D of the lens barrel at an end towards the object side and a maximum effective radius DT11 of an object-side surface of the first lens satisfy 2×DT11/D?0.5.Type: GrantFiled: September 21, 2020Date of Patent: September 26, 2023Assignee: ZHEJIANG SUNNY OPTICAL CO., LTDInventors: Xiaofang Wang, Guijie Zhu, Biao Xu, Qi Chen, Kaiyuan Zhang, Fujian Dai, Liefeng Zhao
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Patent number: 11768706Abstract: The aspects of the present disclosure provide a method and an apparatus for implementing hardware resource allocation. For example, the apparatus includes processing circuitry. The processing circuitry obtains a first value that is indicative of an allocable resource quantity of a hardware resource in a computing device. The processing circuitry also receives a second value that is indicative of a requested resource quantity of the hardware resource by a user, and then determines whether the second value is greater than the first value. When the second value is determined to be less than or equal to the first value, the processing circuitry requests the computing device to allocate the hardware resource of the requested resource quantity to the user, and subtracts the second value from the first value to update the allocable resource quantity of the hardware resource in the computing device.Type: GrantFiled: August 6, 2021Date of Patent: September 26, 2023Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITEDInventors: Guwu Yi, Biao Xu, Fan Yang, Jue Wang, Rui Yang
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Publication number: 20230218178Abstract: A construction method and an application of a digital human cardiovascular system based on hemodynamics are provided, the construction method comprising: partitioning various parts of a human body according to a distributed hemodynamic monitoring system, and determining granularity of a digital human model system; constructing an arterial blood flow transmission equation based on an elastic tube model for arteries, and defining physiological significance for characteristic values of the equation; inputting signals, characteristic values and hemodynamic parameters acquired by the distributed hemodynamic monitoring system into the digital human model system; and obtaining a dynamic and distributed digital human cardiovascular system through finite element calculation. An individual dynamic digital human model based on hemodynamics is constructed through the distributed characteristic values of various parts of the human body and the calculated hemodynamic parameters.Type: ApplicationFiled: July 6, 2021Publication date: July 13, 2023Applicant: NANJING UNIVERSITYInventors: Fei XU, Hengtian ZHU, Ye CHEN, Liuwei ZHAN, Biao XU, Qing DAI
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Patent number: 11610548Abstract: The present application discloses a method, a device, a display device and a medium for improving OLED residual images. The method for improving OLED residual images includes obtaining a life attenuation rate relationship and a life attenuation degree relationship of an OLED display panel, dividing a display area of the display panel into a plurality of sub-areas to monitor temperature change and gray scale change of each sub-area respectively, obtaining a temperature value and a gray scale value of each sub-area at a current moment, calculating a current life attenuation rate according to the temperature value and the gray scale value, and calculating a current luminous time of each sub-area, calculating a life attenuation degree of each sub-area according to the current luminous time of each sub-area, and performing pixel compensation to each sub-area respectively according to the current life attenuation degree of each sub-area.Type: GrantFiled: September 28, 2021Date of Patent: March 21, 2023Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Biao Xu, Pohsien Wu, Shuang Zhao
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Patent number: RE49789Abstract: The present disclosure discloses an optical imaging lens assembly. The optical imaging lens assembly includes, sequentially from an object side to an image side along an optical axis, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens. The first lens has a positive refractive power and a convex object-side surface. The second lens has a negative refractive power. The third lens has a positive refractive power. Each of the fourth lens and the fifth lens has a positive refractive power or a negative refractive power. The sixth lens has a positive refractive power. The seventh lens has a negative refractive power, a concave object-side surface and a concave image-side surface. A combined focal length f12 of the first and second lenses and a combined focal length f34 of the third and fourth lenses satisfy:|f12/f34|?0.3.Type: GrantFiled: January 10, 2022Date of Patent: January 2, 2024Assignee: Zhejiang Sunny Optical Co., LtdInventors: Biao Xu, Kaiyuan Zhang, Jianke Wenren