Patents by Inventor Guoqing LUO
Guoqing LUO 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: 11992959Abstract: A kinematics-free hand-eye calibration method comprises: controlling translation axes of a five-axis motion platform to perform a single-axis point location motion, using a camera to obtain a first spatial coordinate of a calibration plate, fitting all first spatial coordinates into a spatial straight line to obtain a unit direction vectors of the spatial straight line, carrying out Schmidt orthogonalization on the unit direction vectors of the spatial straight lines of an X direction, a Y direction and a Z direction to obtain a pose relationship matrix combined by the orthogonalized direction vectors; obtaining a second spatial coordinate of the calibration plate in a mode of rotating an X-axis and a C-axis, fitting all second spatial coordinates into a spatial spherical surface, calculating a spherical center coordinate to obtain a position relationship matrix, and obtaining a hand-eye relationship matrix combined by the pose relationship matrix and the position relationship matrix.Type: GrantFiled: January 2, 2024Date of Patent: May 28, 2024Assignee: GUANGDONG UNIVERSITY OF TECHNOLOGYInventors: Jian Gao, Guoqing Wu, Zhuojun Zheng, Lanyu Zhang, Yuheng Luo, Disai Chen, Xin Chen
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Publication number: 20240153422Abstract: The present disclosure provides a display module and an electronic terminal. The display module includes a panel including a display area and a non-display area on at least one side of the display area, where a gate driving circuit is disposed in the non-display area; and a gate control chip including a first output pin and a second output pin, where both the first output pin and the second output pin are electrically connected to the gate driving circuit, where, the gate control chip is configured to, when a first signal outputted from the first output pin is abnormal, control the second output pin to output a second signal, and control the first output pin not to output the first signal.Type: ApplicationFiled: April 18, 2022Publication date: May 9, 2024Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Yunhai Bai, Guoqing Gao, Xinying Luo, Jinao Chen, Jianzhong Xiao, Mingyao Chen
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Patent number: 11959743Abstract: A dimensionless kinematics calibration method based on a virtual point and a related apparatus thereof. The method comprises: establishing a kinematics model of a motion mechanism, and arranging a plurality of virtual points at a tail end of the motion mechanism to establish a dimensionless kinematics model and a dimensionless error model; converting a measurement coordinate system into a motion mechanism coordinate system, acquiring a rotation matrix and a translation matrix of a target virtual point measured by the measurement device, and calculating actual coordinates of all virtual points to obtain a measured value of the dimensionless kinematics model; calculating a theoretical value of the dimensionless kinematics model according to a spatial relationship between a reflecting head and the tail end of the motion mechanism; and optimizing the dimensionless error model according to the measured value and the theoretical value to obtain a calibration result.Type: GrantFiled: October 7, 2023Date of Patent: April 16, 2024Assignee: GUANGDONG UNIVERSITY OF TECHNOLOGYInventors: Jian Gao, Disai Chen, Yuheng Luo, Lanyu Zhang, Zhuojun Zheng, Guoqing Wu, Xin Chen
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Patent number: 11921090Abstract: A whole-vehicle-based method for evaluating extreme pressure and antiwear properties of grease includes injecting the grease onto a key bearing pin and causing the engineering machine to operate without load is disclosed. The method includes causing the engineering machine to operate under a load of 10% to 150% rated load at least once, viewing and analyzing a wear condition of a surface of the bearing pin, and issuing a whole-vehicle-based evaluation report of extreme pressure and antiwear properties of grease. The engineering machine is caused to operate once under a load of 10% to 150% rated load for 0.5 min to 100 h.Type: GrantFiled: April 17, 2020Date of Patent: March 5, 2024Assignee: Guangxi Liugong Machinery Co., Ltd.Inventors: Bo Lin, Li Zhang, Xiaona Wan, Jie Shao, Huiliang Xin, Hao Liang, Jinqiong Luo, Mingfeng Tan, Mingzhi Lin, Guoqing Hou
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Patent number: 11534830Abstract: A tantalum powder, a tantalum powder compact, a tantalum powder sintered body, a tantalum anode, an electrolytic capacitor and a preparation method for tantalum powder. The tantalum powder contains boron element, and the tantalum powder has a specific surface area of greater than or equal to 4 m2/g; the ratio of the boron content of the tantalum powder to the specific surface area of the tantalum powder is 2˜16; the boron content is measured in weight ppm, and the specific surface area is measured in m2/g; Powder that can pass through a ?-mesh screen in the tantalum powder accounts for over 85% of the total weight of the tantalum powder, where ?=150˜170; and the tantalum powder with high CV has a low leakage current and dielectric loss, and good moldability.Type: GrantFiled: December 27, 2017Date of Patent: December 27, 2022Assignee: NINGXIA ORIENT TANTALUM INDUSTRY CO., LTDInventors: Haiyan Ma, Hui Li, Guoqing Luo, Yuewei Cheng, Chunxia Zhao, Xueqing Chen, Zhidao Wang, Fukun Lin, Guoqi Yang, Ning Wang, Yinghui Ma, Yanjie Wang, Lijun Li, Honggang Zhang
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Publication number: 20210060654Abstract: A tantalum powder, a tantalum powder compact, a tantalum powder sintered body, a tantalum anode, an electrolytic capacitor and a preparation method for tantalum powder. The tantalum powder contains boron element, and the tantalum powder has a specific surface area of greater than or equal to 4 m2/g; the ratio of the boron content of the tantalum powder to the specific surface area of the tantalum powder is 2˜16; the boron content is measured in weight ppm, and the specific surface area is measured in m2/g; Powder that can pass through a ?-mesh screen in the tantalum powder accounts for over 85% of the total weight of the tantalum powder, where ?=150˜170; and the tantalum powder with high CV has a low leakage current and dielectric loss, and good moldability.Type: ApplicationFiled: December 27, 2017Publication date: March 4, 2021Applicant: NINGXIA ORIENT TANTALUM INDUSTRY CO., LTD.Inventors: Haiyan MA, Hui LI, Guoqing LUO, Yuewei CHENG, Chunxia ZHAO, Xueqing CHEN, Zhidao WANG, Fukun LIN, Guoqi YANG, Ning WANG, Yinghui MA, Yanjie WANG, Lijun LI, Honggang ZHANG
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Patent number: 10513769Abstract: The invention relates to the rare metal smelting field, and particularly, the present invention relates to a tantalum powder for preparing capacitors and a process for preparing the tantalum powder, and to a sintered anode prepared from the tantalum powder. As to the tantalum powder as provided by the invention, its primary tantalum powder has a BET of from 3.0 to 4.5 m2/g. After the secondary agglomeration, the tantalum powder has a large particle size. The tantalum powder has an average Fisher sub-sieve size (FSSS) of 1.2 to 3.0 ?m wherein as measured with a standard sieve mesh, more than 75% of tantalum powder has a +325-mesh, and a particle size distribution D50 of more than 60 ?m, that is, the secondary particle size is high. A resultant capacitor anode prepared by sintering the tantalum powder of the invention at 1200° C. for 20 minutes and then being energized at the voltage of 20 V has the specific capacitance of from 140,000 to 180,000 ?FV/g and the residual current of less than 1.0 nA/?FV.Type: GrantFiled: November 3, 2014Date of Patent: December 24, 2019Assignee: NINGXIA ORIENT TANTALUM INDUSTRY CO., LTD.Inventors: Yuewei Cheng, Fukun Lin, Xueqing Zhang, Guoqing Luo, Haiyan Ma, Yinghui Ma, Yanjie Wang, Xuanyu Wang, Dongjie Zhang
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Publication number: 20170226616Abstract: The invention relates to the rare metal smelting field, and particularly, the present invention relates to a tantalum powder for preparing capacitors and a process for preparing the tantalum powder, and to a sintered anode prepared from the tantalum powder. As to the tantalum powder as provided by the invention, its primary tantalum powder has a BET of from 3.0 to 4.5 m2/g. After the secondary agglomeration, the tantalum powder has a large particle size. The tantalum powder has an average Fisher sub-sieve size (FSSS) of 1.2 to 3.0 ?m wherein as measured with a standard sieve mesh, more than 75% of tantalum powder has a +325-mesh, and a particle size distribution D50 of more than 60 ?m, that is, the secondary particle size is high. A resultant capacitor anode prepared by sintering the tantalum powder of the invention at 1200° C. for 20 minutes and then being energized at the voltage of 20 V has the specific capacitance of from 140,000 to 180,000 ?FV/g and the residual current of less than 1.0 nA/?FV.Type: ApplicationFiled: November 3, 2014Publication date: August 10, 2017Applicant: NINGXIA ORIENT TANTALUM INDUSTRY CO., LTD.Inventors: Yuewei CHENG, Fukun LIN, Xueqing ZHANG, Guoqing LUO, Haiyan MA, Yinghui MA, Yanjie WANG, Xuanyu WANG, Dongjie ZHANG