Patents by Inventor Lei Yan
Lei Yan 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: 20230092146Abstract: Example radar systems, optical detectors, vehicles, and optical detection methods are provided. An example radar system includes a laser device and an optical detector. The optical detector can include a first polarization scanner and a photosensitive device. The laser device can be configured to emit detection laser. The first polarization scanner can be configured to refract an echo signal of the detection laser, where a refractive index of the first polarization scanner is variable. The photosensitive device can be configured to sense the echo signal refracted by the first polarization scanner.Type: ApplicationFiled: November 28, 2022Publication date: March 23, 2023Inventors: Chengzhi XIE, Lei YAN, Ke HUANG, Wen ZHAO, Wei XIONG
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Publication number: 20230024250Abstract: This disclosure relates to a power efficient wireless power receiver that is configured to receive and convert wireless power to direct-current (DC) power with minimal wastage. In particular, the receiver is able to selectively switch between a DC power combining topology and a radio-frequency (RF) power combining topology based on the amount of power that has been received so that the maximum amount of power received is optimized.Type: ApplicationFiled: December 10, 2019Publication date: January 26, 2023Inventors: Raju Salahuddin, Raja Kumarasamy, Dan Lei Yan
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Publication number: 20230011771Abstract: A distance measurement system and a vehicle are provided. The distance measurement system includes a scanning module and a distance measurement module. The distance measurement module is configured to: emit laser light to the scanning module, and receive reflected light transmitted by the scanning module. The scanning module includes a moving component and a lens group. The moving component is configured to drive the lens group to perform scanning. The lens group is further configured to: receive reflected light of a measured object in an environment of the distance measurement system, and transmit the reflected light to the distance measurement module.Type: ApplicationFiled: September 16, 2022Publication date: January 12, 2023Inventors: Chihao HU, Lei YAN, Wei XIONG
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Patent number: 11543100Abstract: A lens, a light source module and a lighting device are provided. The lens includes a lens body and at least two positioning columns. An inner end of the positioning column is connected with the lens body, and an outer end is a free end. A direction from the outer end to the inner end of the positioning column is a first direction. The positioning column includes at least three positioning segments which are sequentially distributed in the first direction. A plane perpendicular to an axis of the positioning segment is a projection plane, and a projection of the positioning segment on the projection plane is a first projection, an area enclosed by an outer contour line of the first projection is a first area, and the first areas of at least three positioning segments are sequentially increased in the first direction.Type: GrantFiled: September 20, 2021Date of Patent: January 3, 2023Assignees: Suzhou Opple Lighting Co., Ltd., Opple Lighting Co., Ltd.Inventors: Lei Yan, Zicai Ma
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Publication number: 20220413313Abstract: An optical component includes a first lens and a second lens that are arranged in sequence in an emission direction of a beam and are disposed opposite relative to each other. The first lens has a first shaping surface and a second shaping surface that are disposed opposite to each other, and the second lens has a third shaping surface and a fourth shaping surface that are disposed opposite to each other. The first shaping surface and the third shaping surface form a first shaping surface group to perform optical path collimation on a first polarization direction of the beam. The second shaping surface and the fourth shaping surface form a second shaping surface group to perform optical path collimation on a second polarization direction of the beam.Type: ApplicationFiled: August 19, 2022Publication date: December 29, 2022Inventors: Lei Yan, Ke Huang, Wei Xiong
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Publication number: 20220406945Abstract: The present disclosure provides a thin film transistor, a display substrate and a display device, and belongs to the field of display technology. The thin film transistor of the present disclosure includes: a base, and a gate, an active layer, a source and a drain located on the base, where the gate includes a first gate and a second gate which are sequentially provided on the base and are electrically connected to each other; the active layer is located between the first gate and the second gate, and orthographic projections of the first gate and the second gate on the base are partially overlapped with an orthographic projection of the active layer on the base, and the orthographic projections of the first gate and the second gate on the base are partially overlapped with each other.Type: ApplicationFiled: May 21, 2021Publication date: December 22, 2022Inventors: Chenglong WANG, Yezhou FANG, Feng LI, Lei YAO, Lei YAN, Kai LI, Lin HOU, Xiaogang ZHU, Yun GAO, Yanzhao PENG, Teng YE, Hua YANG
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Patent number: 11500384Abstract: The invention relates to a method and system for path planning of a wave glider, comprising acquiring historical navigation data of the glider and an underwater vehicle via a shore-based monitoring center; fitting historical navigation data nonlinearly by a deep learning neural network to obtain a trained network; acquiring real-time navigation data of the glider at an off-line end, real-time navigation data and predetermined shipping track data of the vehicle; obtaining the set of off-line optimized path planning schemes of the glider by the above data and the trained network; and determining an optimal path planning scheme of the glider by the deep learning neural network according to real-time data and constraint data of the glider at the on-line end. The invention can reasonably plan the path of the glider and ensure continuous and reliable information interaction between the glider and the vehicle.Type: GrantFiled: April 15, 2020Date of Patent: November 15, 2022Assignees: NATIONAL DEEP SEA CENTER, QINGDAO NATIONAL LABORATORY FOR MARINE SCIENCE AND TECHNOLOGY DEVELOPMENT CENTERInventors: Tongwei Zhang, Lei Yan, Haibing Li, Xiujun Sun, Xianglin Xu, Jingxiao Liu, Lei Yang, Shengjie Qin
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Publication number: 20220355674Abstract: An energy conversion apparatus and a vehicle are provided. The energy conversion apparatus includes a motor coil of a motor (101), a bridge arm converter (102), a bus capacitor (103) connected to the bridge arm converter (102) in parallel, and a controller (104) connected to the bridge arm converter (102). When the energy conversion apparatus is connected to an external power supply, according to to-be-driven power of the motor and to-be-charged power of an external battery (105), the controller (104) controls the bridge arm converter (102) to cause electrical energy of the external power supply to flow to a drive-charging circuit, and adjusts a current of the drive-charging circuit, to cause the external power supply to drive the motor to output drive power and charge the external battery (105) at the same time.Type: ApplicationFiled: June 24, 2020Publication date: November 10, 2022Inventors: Lei YAN, Jicheng LI, Ye LEI, Feiyue XIE, Sijia ZHENG
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Publication number: 20220350196Abstract: The present disclosure discloses a color filter substrate and a method for manufacturing the same, a display panel, and a display device, which relates to the field of display technologies. A black matrix layer in the color filter substrate includes a first film layer and a second film layer. As a material of the first film layer is different from a material of the second film layer, at least one of the first film layer and the second film layer is prepared without using a resin adhesive, and then the resin adhesive remaining in at least one through-hole of the first through-holes of the first film layer and the second through-holes of the second film layer can be reduced, and the display effect of the display device is ensured.Type: ApplicationFiled: December 2, 2020Publication date: November 3, 2022Inventors: Lei YAO, Yezhou FANG, Feng LI, Lei YAN, Kai LI, Chenglong WANG, Teng YE, Lin HOU, Xiaofang LI
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Publication number: 20220334263Abstract: A ranging system and a mobile platform are provided. The ranging system includes a laser, a coaxial optical lens group, a mirror group, a moving component, and a processing circuit. When the laser emits laser light to the mirror group by using the coaxial optical lens group, the moving component drives the mirror group to rotate, so that the laser light is irradiated to a measured object at different angles, to implement ranging of the measured object. The moving component bears a light object, so that the moving component rotates quickly. Therefore, if the ranging system is installed on a vehicle, the ranging system can implement fast ranging of incoming and outgoing vehicles and meet a ranging requirement of an autonomous driving technology.Type: ApplicationFiled: June 24, 2022Publication date: October 20, 2022Inventors: Chihao Hu, Lei Yan, Wei Xiong, Ke Huang
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Patent number: 11473740Abstract: A lighting fixture is provided. The lighting fixture includes a support column including a top end, a bottom end, and a side wall between the top end and the bottom end; a first light source module assembled on an outer side of the side wall of the support column, including a substrate and a plurality of columns of first light sources on the substrate and arranged along a circumferential direction of the support column, and each column of first light sources extending along a direction from the top end to the bottom end of the support column; and a face mask covering an outer side of the first light source module. The plurality of columns of first light sources are configured to emit light laterally toward the face mask, and a maximum light-emitting surface of each column intersects an adjacent column on the face mask.Type: GrantFiled: December 30, 2020Date of Patent: October 18, 2022Assignee: Opple Lighting Co., Ltd.Inventors: Chaobo Liu, Lei Yan, Hongbo Wang
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Array substrate with light shielding metal portions and manufacturing method thereof, display device
Patent number: 11448929Abstract: An array substrate and a manufacturing method thereof, and a display device are provided. The array substrate includes: a base substrate; a plurality of gate lines on a side of the base substrate; a plurality of data lines on a side of the plurality of gate lines away from the base substrate and intersecting with the plurality of gate lines; and a plurality of light shielding metal portions between the base substrate and each of the plurality of gate lines; respective one of the gate lines includes a plurality of gate line sub-segments separated by the plurality of data lines, respectively, every two adjacent gate line sub-segments in the respective one of the gate lines correspond to one of the light shielding metal portions, and the every two adjacent gate line sub-segments are connected in series through the one of the light shielding metal portions.Type: GrantFiled: May 16, 2019Date of Patent: September 20, 2022Assignees: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.Inventors: Lei Yao, Dawei Shi, Wentao Wang, Lu Yang, Haifeng Xu, Lei Yan, Jinfeng Wang, Jinjin Xue, Fang Yan, Xiaowen Si, Lin Hou, Zhixuan Guo, Yuanbo Li, Xiaofang Li -
Publication number: 20220252926Abstract: Embodiments of the present disclosure provide a display substrate and a display panel. The display substrate has a light-transmissive region and a light-shielding region, and the light-shielding region includes a main support region and a secondary support region. The display substrate includes a substrate, an alignment layer on the substrate, and a convex structure on the alignment layer. The convex structure is on a side of the alignment layer distal to the substrate and at least in the main support region, and a distance from a surface of the convex structure distal to the substrate to the substrate is greater than a distance from a surface of the alignment layer distal to the substrate to the substrate.Type: ApplicationFiled: January 21, 2021Publication date: August 11, 2022Inventors: Kai LI, Feng LI, Yezhou FANG, Xinguo WU, Lei YAO, Chenglong WANG, Zhixuan GUO, Lei YAN
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Patent number: 11371874Abstract: A method and an apparatus for measuring mass based on torque equilibrium, including a main blade for supporting and balancing a lever and parts arranged on the lever; a displacement measuring device for measuring a position of the lever; an electromagnetic torquer for balancing the apparatus after a balance weight is coarsely loaded during measuring; a product tooling on which a product to be measured is arranged and fixedly connected. The product tooling is fixed on a slider which freely slides along a guide rail; a locking block is provided to lock the product after the product slides in place; the guide rail is fixed on the level; a laser displacement sensor is provided to measure a displacement of the product along the guide rail; a lifting mechanism is provided to lift the lever and parts arranged on the lever to separate from the main blade.Type: GrantFiled: November 14, 2019Date of Patent: June 28, 2022Assignee: Beijing Aerospace Institute for Metrology and Measurement TechnologyInventors: Xiaosan Wang, Fengju Sun, Lei Yan, Tian Bai
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Publication number: 20220173050Abstract: Provided are a display substrate motherboard and manufacturing method thereof, a display substrate and a display apparatus. The display substrate motherboard includes a substrate, a display substrate area on the substrate, and a mark area on the periphery of the display substrate area. The display substrate motherboard also includes a thin film transistor disposed in the display substrate area, a mark structure disposed in the mark area and a planarization layer disposed on one side of the thin film transistor away from the substrate, and the planarization layer includes a groove which is disposed at the corresponding position of the mark structure and extends along a direction close to the substrate, and an orthographic projection of the groove on the substrate covers an orthographic projection of the mark structure on the substrate.Type: ApplicationFiled: September 24, 2021Publication date: June 2, 2022Inventors: Lei YAO, Feng LI, Lei YAN, Kai LI, Chenglong WANG, Teng YE, Lin HOU, Xiaofang LI
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Patent number: 11328188Abstract: The present disclosure provides a target-image acquisition method. The target-image acquisition method includes acquiring a visible-light image and an infrared (IR) image of a target, captured at a same time point by a photographing device; weighting and fusing the visible-light image and the IR image to obtain a fused image; and obtaining an image of the target according to the fused image. The present disclosure also provides a photographing device and an unmanned aerial vehicle (UAV) using the method above.Type: GrantFiled: July 14, 2020Date of Patent: May 10, 2022Assignee: SZ DJI TECHNOLOGY CO., LTD.Inventors: Chao Weng, Lei Yan
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Patent number: 11305854Abstract: A deep-sea low-cost long-endurance collaborative navigation and positioning system. A shore-based monitoring center transmits a route planning solution to a wave glider. The wave glider follows an underwater vehicle to travel and feeds back state information of the wave glider and state information of the underwater vehicle to the shore-based monitoring center in real time. The shore-based monitoring center adjusts the route planning solution according to the state information in real time. The wave glider and the underwater vehicle are respectively equipped with an underwater acoustic communication machine.Type: GrantFiled: April 15, 2020Date of Patent: April 19, 2022Assignees: NATIONAL DEEP SEA CENTER, QINGDAO NATIONAL LABORATORY FOR MARINE SCIENCE AND TECHNOLOGY DEVELOPMENT CENTER, TECHNOLOGY DEVELOPMENT CENTERInventors: Tongwei Zhang, Guangjie Han, Lei Yan, Haibing Li, Xiujun Sun, Shuai Zhang, Jingxiao Liu, Lei Yang
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Publication number: 20220003386Abstract: A lens, a light source module and a lighting device are provided. The lens includes a lens body and at least two positioning columns. An inner end of the positioning column is connected with the lens body, and an outer end is a free end. A direction from the outer end to the inner end of the positioning column is a first direction. The positioning column includes at least three positioning segments which are sequentially distributed in the first direction. A plane perpendicular to an axis of the positioning segment is a projection plane, and a projection of the positioning segment on the projection plane is a first projection, an area enclosed by an outer contour line of the first projection is a first area, and the first areas of at least three positioning segments are sequentially increased in the first direction.Type: ApplicationFiled: September 20, 2021Publication date: January 6, 2022Applicants: SUZHOU OPPLE LIGHTING CO., LTD., OPPLE LIGHTING CO., LTD.Inventors: Lei YAN, Zicai MA
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Patent number: 11211502Abstract: Provided is a transistor, the transistor being located on a base and having an active layer, and the active layer of the transistor comprising a plurality of semiconductor patterns which are stacked, wherein the plurality of semiconductor patterns are electrically connected; and orthographic projections of any two of the semiconductor patterns on the base are different in shape. A method of manufacturing a transistor, a transistor device, and a display substrate and apparatus are also provided.Type: GrantFiled: June 29, 2020Date of Patent: December 28, 2021Assignees: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lei Yan, Jianyun Xie, Yezhou Fang, Jun Fan, Feng Li
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Patent number: 11191255Abstract: A henhouse includes a gable, a sidewall, and a roof. An inner chamber parallel to the sidewall is provided in the middle of the henhouse. The inner chamber includes an inner wall parallel to the sidewall and an inner roof. A partition is provided between the sidewall and the inner wall. An air inlet plate is provided between the two inner walls located below the inner roof. A pressure chamber is formed between the inner roof and the air inlet plate. A premixing chamber is formed between the inner roof and the roof. A plurality of fans and air inlet windows are uniformly provided on the inner roof. A plurality of air inlet holes and small inlet windows are uniformly provided on the air inlet plate. A plurality of wet curtains and an air vent are provided on the sidewall. A plurality of air outlet slots are uniformly provided on the inner wall.Type: GrantFiled: August 3, 2017Date of Patent: December 7, 2021Assignee: New Hope Liuhe Feed Co., Ltd.Inventors: Changwu Li, Feng Xiao, Longhai Liu, Jianmin Wang, Chengjun Min, He Huang, Zhengpeng Zhu, Lei Yan, Xin Li