Patents by Inventor Lihua Wang
Lihua Wang 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: 20230363335Abstract: The present disclosure provides a standardized and virus-free rapid propagation method of Dianthus caryophyllus, belonging to the technical field of asexual propagation. The method includes the following steps: conducting virus detection on a Dianthus caryophyllus explant, and inoculating the explant into an induction medium for induction culture; after the explant germinates, cutting buds, and determining whether a virus-free treatment is required according to a virus detection result, and continuing cultivating the buds; after cultivating to obtain cluster buds, inoculating the cluster buds into an expanding propagation medium for expanding propagation, and conducting the virus detection to eliminate a virus-carrying material; conducting expanding propagation on a virus-free material to a certain base, and transferring the virus-free material to a rooting medium for rooting culture.Type: ApplicationFiled: June 21, 2022Publication date: November 16, 2023Applicant: Flower Research Institute, Yunnan Academy of Agricultural SciencesInventors: Yiping ZHANG, Yunhui QU, Yan SU, Yalian JIANG, Feng XU, Jihua WANG, Suping QU, Lihua WANG, Lifang ZHANG, Xiumei YANG, Axiang ZHAO
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Publication number: 20230316969Abstract: A display panel, a motherboard, and a mini LED display device. The display panel includes: a panel edge extending along a first direction, and a display region and a test region. The test region is between the display region and the panel edge and includes test pads. At least two test pads are arranged along the first direction, adjacent ones of which are spaced by at least two first electrostatic discharge protection wires extending from one side of the display region adjacent to the test region to the panel edge. Each first electrostatic discharge protection wire includes a first line segment located between two adjacent test pads and a second line segment adjacent to the panel edge. A distance between adjacent first line segments between two adjacent test pads in the first direction is less than a distance between adjacent second line segments in the first direction.Type: ApplicationFiled: April 12, 2023Publication date: October 5, 2023Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.Inventors: Yimiao DING, Lihua WANG, Zhenhai YIN, Tingting LI, Peng GUI, Zhicheng WU, Qiongqin MAO
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Patent number: 11766736Abstract: A method utilizing cold welding to prepare grain boundaries having different included angles includes using a device including a support member. Two bent members are arranged opposite to each other in the support member. One ends of the two bent members are both fixedly connected to the support member, one end, away from the support member, of any bent member is fixedly connected to a first sample, one end, away from the support member, of the other bent member is fixedly connected to a second sample, and the first sample and the second sample are arranged corresponding to each other. The bent member includes a first metal sheet and a second metal sheet having different thermal expansion coefficients. An angle between the first sample and the second sample during butt welding can be controlled by changing an included angle of a bimetallic sheet.Type: GrantFiled: August 4, 2022Date of Patent: September 26, 2023Assignee: BEIJING UNIVERSITY OF TECHNOLOGYInventors: Lihua Wang, Dongwei Li, Yan Ma, Xiaodong Han, Qingsong Deng
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Publication number: 20230269975Abstract: A light-emission driving substrate includes: a substrate; a device layer disposed on the substrate, wherein the device layer comprises a plurality of first signal lines and second signal lines that are disposed in a light-emitting area, and includes a plurality of first connection terminals and second connection terminals that are disposed in a non-light-emitting area, each of the first connection terminals is electrically connected to an anode of the light-emitting element through the first signal line, and each of the second connection terminals is electrically connected to the cathode of a light-emitting element through the second signal line; and wherein a distance between at least one of the first connection terminals and the binding area is smaller than a distance between each of the second connection terminals and the binding area.Type: ApplicationFiled: April 14, 2022Publication date: August 24, 2023Applicant: Shanghai Tianma Microelectronics Co., Ltd.Inventors: Lihua WANG, Yuheng Zhang, Pengfei Qiu, Shengchao Ji
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Publication number: 20230269976Abstract: The application relates to a drive substrate, light-emitting panel and display device. The drive substrate is configured to drive a light-emitting element. The drive substrate includes a light-emitting area and a frame area surrounding at least a part of the light-emitting area. The drive substrate includes a substrate; and a device layer disposed on the substrate, the device layer including a pixel drive circuit disposed in the light-emitting area, and an electrostatic discharge circuit, a first signal line and a second signal line disposed in the frame area, the first signal line being electrically connected to at least one of the pixel drive circuit and the light-emitting element, and the second signal line being electrically connected to the electrostatic discharge circuit; wherein the second signal line is disposed on a side of the first signal line away from the light-emitting area and is spaced from the first signal line.Type: ApplicationFiled: April 20, 2022Publication date: August 24, 2023Inventors: Lihua WANG, Tingting Li, Pengfei Qiu, Shumian Xu, Peng Gui, Jiayin Tang, Yimiao Ding, Shengchao Ji
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Patent number: 11717906Abstract: A method for cutting side plates and end plates of a scrapped railway boxcar aims to improve low disassembling efficiency as it is difficult to disassemble the scrapped railway boxcar. The steps of cutting the side plates includes: A1: cutting a top of an upper side plate; A2: performing cutting downwards, dividing the upper side plate, and then cutting the left upper side plate; A3: cutting the right upper side plate; A4: cutting a lower side plate; A5: cutting off upper channel steel on columns; A6: cutting off lower channel steel on the columns; and A7: cutting the columns. The method avoids complicated working conditions of directly cutting angle iron, the channel steel, multilayer boards and closed regions, so that the cutting efficiency of the side plates and the end plates of the boxcars is improved. Moreover, automatic cutting can be realized according to a set cutting path.Type: GrantFiled: January 31, 2023Date of Patent: August 8, 2023Assignee: China Railway General Resources Technology Co., Ltd.Inventors: Baomin Chen, Mazhong Ya, Weirong Kong, Hui Liu, Liangcheng Shen, Lihua Wang, Rui Jin, Sisi Lu
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Publication number: 20230232332Abstract: A method of a communication circuit includes: using an analog circuit to receive and process a beacon signal transmitted from an antenna unit and through a channel to generate a baseband signal; using a digital circuit to process the baseband signal; during a predetermined early reception period corresponding to the beacon signal sent from a base station, waking up the analog circuit and at least one portion of the digital circuit to detect the signal power strength of the channel; and, determining whether make the analog circuit and the digital circuit enter a standby mode to save power according to the signal power strength.Type: ApplicationFiled: December 28, 2022Publication date: July 20, 2023Applicant: Realtek Semiconductor Corp.Inventors: LIHUA WANG, MINGZHI GUO, Zuohui Peng
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Publication number: 20230215850Abstract: A light-emitting panel and a display device are provided. The light-emitting panel includes a base substrate, and a plurality of driving transistors and a plurality of light-emitting elements. One driving transistor is electrically connected to at least one light-emitting element. The plurality of light-emitting elements are arranged in an array to form one or more light-emitting element rows along a first direction and to form one or more light-emitting element columns along a second direction. In a direction parallel to a plane of the base substrate, the first direction intersects the second direction. In the direction parallel to the plane of the base substrate, a quantity of driving transistors adjacent to one light-emitting element is A, where A<2 and A is an integer.Type: ApplicationFiled: March 25, 2022Publication date: July 6, 2023Inventors: Yimiao DING, Yang NAN, Xuefei QIN, Lihua WANG
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Patent number: 11687203Abstract: Touch display device, touch display panel, touch module and forming method thereof are provided. The touch module includes a substrate, and a first shadow elimination layer, a touch electrode layer, a second shadow elimination layer, and a bridge layer that are sequentially located on a side of the substrate. The touch electrode layer includes a plurality of first touch electrodes. The bridge layer includes a plurality of bridges, and a bridge of the plurality of bridges connects two adjacent first touch electrodes through a via passing through the second shadow elimination layer.Type: GrantFiled: September 3, 2021Date of Patent: June 27, 2023Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Haiquan Li, Yimiao Ding, Jun Zhou, Lihua Wang, Shanshan Zhang
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Publication number: 20230133587Abstract: Provided is an application of an amino acid as a vehicle for delivery of a nucleic acid into the nervous system. By local injection, preferably, combined with means of stereotactic injection, immunofluorescence staining, confocal microscopy, etc., the single-stranded oligonucleotides are efficiently delivered into brain cells, and the plasmid vectors are also delivered into astrocytes in mouse brain.Type: ApplicationFiled: March 26, 2020Publication date: May 4, 2023Inventors: Wenzhi SUN, Chunhai FAN, Lihua WANG, Ji HU, Haibin ZHOU
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Publication number: 20230103375Abstract: A heavy metal detector includes a housing composed of a top cover and a base, and a main machine and an electrolysis module arranged in the housing, wherein the main machine includes a main machine circuit, and the main machine circuit includes a main controller, a power supply module, a signal acquisition and processing module, an electrolysis module interface and a signal conversion module. The electrolysis module interface is configured to connect the electrolysis module and the signal acquisition and processing module; the signal acquisition and processing module is configured to receive a characteristic electrical signal output by the electrolysis module, and output a detection result to the main controller; and the main controller displays the detection result on a display module. Multiple electrolysis module interfaces are provided. The base is provided with a plurality of electrolysis module installation ports and stirring devices corresponding to the electrolysis module installation ports.Type: ApplicationFiled: July 1, 2021Publication date: April 6, 2023Applicant: WUHAN ACADEMY OF AGRICULTURAL SCIENCESInventors: Yifang ZHAN, Jinwei HU, Shaowen SUN, Lihua WANG, Qi YAO, Mingjie CHEN, Tingting LI, Sijie ZHENG, Changchang WANG, Jinyan GUAN, Zheng LI, Xiangru BAI, Jing WEI, Baoxi LI
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Publication number: 20230072153Abstract: The present invention provides a receiver including a filter, a signal detection circuit and a synchronization processing circuit. The filter is configured to filter a filter input signal to generate a filter output signal. The signal detection circuit is configured to determine whether the filter input signal or the filter output signal includes an interference signal according to the filter input signal and the filter output signal, to generate an interference signal indicator; wherein when the interference signal indicator indicates that the filter input signal or the filter output signal includes the interference signal, the signal detection circuit further determines whether the filter output signal comprises an effective signal to generate an effective signal indicator. The synchronization processing circuit is configured to process the filter output signal according to the interference signal indicator and the effective signal indicator.Type: ApplicationFiled: August 22, 2022Publication date: March 9, 2023Applicant: Realtek Semiconductor Corp.Inventor: LIHUA WANG
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Publication number: 20230039597Abstract: A method utilizing cold welding to prepare grain boundaries having different included angles includes using a device including a support member. Two bent members are arranged opposite to each other in the support member. One ends of the two bent members are both fixedly connected to the support member, one end, away from the support member, of any bent member is fixedly connected to a first sample, one end, away from the support member, of the other bent member is fixedly connected to a second sample, and the first sample and the second sample are arranged corresponding to each other. The bent member includes a first metal sheet and a second metal sheet having different thermal expansion coefficients. An angle between the first sample and the second sample during butt welding can be controlled by changing an included angle of a bimetallic sheet.Type: ApplicationFiled: August 4, 2022Publication date: February 9, 2023Applicant: Beijing University of TechnologyInventors: Lihua WANG, Dongwei LI, Yan MA, Xiaodong HAN, Qingsong DENG
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Publication number: 20230042029Abstract: The present application relates to a composite binding agent grinding wheel, wherein a weight percentage of each raw material of the grinding wheel is: 45-65% of pretreatment abrasive, 8-20% of resin bonding agent, 5-12% of hexagonal boron nitride, 5-10% of silicon dioxide, 5-15% of ceramic powder, 6-12% of prealloy powder bonding agent, and 1-3% of boron powder. The composite binding agent super-hard grinding wheel prepared by the present application can achieve nano-level grinding surface quality when grinding epitaxial wafers, and the grinding wheel has strong self-sharpening and high sharpness. It has obvious advantages in the finishing of silicon carbide crystal epitaxial wafers, which can solve the current limitations of back thinning processing of silicon carbide crystal epitaxial wafers.Type: ApplicationFiled: December 17, 2021Publication date: February 9, 2023Inventors: Yanjun Zhao, Lihua Wang, Gaoliang Zhang, Guanwen Qian, Donghua Zuo, Jianfeng Cao, Guannan Sun
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Publication number: 20230042146Abstract: Provided are a display panel and a display device. The display panel includes a pixel driver circuit. The pixel driver circuit includes a light-emitting module, a drive transistor and at least one light-emitting control transistor. The drive transistor, the light-emitting control transistor and the light-emitting module are connected in series between a first power supply signal terminal and a second power supply signal terminal, and at least one of the drive transistor or the light-emitting control transistor is a first double-gate transistor. The first double-gate transistor includes a first gate, a second gate and a first source, and the second gate is electrically connected to the first source.Type: ApplicationFiled: October 17, 2022Publication date: February 9, 2023Applicant: TIANMA MICROELECTRONICS CO., LTD.Inventors: Lihua WANG, Yuheng ZHANG, Qiongqin MAO, Yang NAN, Tingting LI, Yimiao DING
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Publication number: 20230020489Abstract: Embodiments of the present disclosure provide a driving board, a display panel and a display device. The driving board includes a plurality of pixel regions; the pixel regions each include a pixel circuit, a first power supply structure and a second power supply structure; the first power supply structure is configured to provide a first power voltage and the second power supply structure is configured to provide a second power voltage; the driving board includes a substrate, the pixel circuit, the first power supply structure and the second power supply structure are located at a same side of the substrate; wherein at least one of the first power supply structure and the second power supply structure includes a block structure, at least one inorganic layer is provided at a side of the block structure away from the substrate; and the block structure includes a first block structure, the first block structure includes at least one first opening.Type: ApplicationFiled: September 12, 2022Publication date: January 19, 2023Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.Inventors: Yimiao DING, Lihua WANG, Tingting LI, Pengfei QIU
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Patent number: 11551608Abstract: Provided are a driver circuit, a light-emitting panel and a preparation method thereof, and a display device. The driver circuit includes a terminal connection module, a drive module, and a short-circuit protection module. The terminal connection module, the drive module, and the short-circuit protection module are connected in series between a first power supply terminal and a second power supply terminal, and the short-circuit protection module is connected in series between the terminal connection module and the second power supply terminal. The terminal connection module is connected to an original light-emitting unit so that the original light-emitting unit is connected in series between the first power supply terminal and the second power supply terminal. The short-circuit protection module is configured to be disconnected in a case where the original light-emitting unit is short-circuited.Type: GrantFiled: June 22, 2022Date of Patent: January 10, 2023Assignee: Shanghai Tianma Microelectronics Co., Ltd.Inventors: Xiaoping Sun, Qiang Dong, Lihua Wang
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Publication number: 20220388606Abstract: A bearing device of a floating power station includes a supporting component and operation and maintenance passages formed by multiple operation and maintenance floating bodies arranged in sequence. Two adjacent rows of the operation and maintenance passages are connected by the supporting component, and an electrical device mounting position for mounting an electrical device is provided on the supporting component. In the bearing device for the floating power station provided according to the present application, the two adjacent rows of the operation and maintenance passages are connected by the supporting component, and the electrical device is mounted on the electrical device mounting position of the supporting component, that is, the mounting of the electrical device is not affected by a space between the two adjacent operation and maintenance passages, thereby the versatility of the bearing device provided according to the present application is improved.Type: ApplicationFiled: August 26, 2021Publication date: December 8, 2022Inventors: Chenglin YANG, Tao MA, Jiang SU, Hao WU, Lihua WANG, Xiaorui LI
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Patent number: 11522668Abstract: A method applicable to a receiver circuit, including: performing a cross-correlation operation upon at least one time-domain signal on at least one receiver path of the receiver circuit according to a local sequence signal, to estimate at least one time offset amount of the at least one time-domain signal as at least one time offset compensation amount; and, performing time offset compensation upon the at least one time-domain signal on the at least one receiver path according to the at least one time offset compensation amount.Type: GrantFiled: July 4, 2021Date of Patent: December 6, 2022Assignee: Realtek Semiconductor Corp.Inventor: Lihua Wang
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Publication number: 20220382414Abstract: Touch display device, touch display panel, touch module and forming method thereof are provided. The touch module includes a substrate, and a first shadow elimination layer, a touch electrode layer, a second shadow elimination layer, and a bridge layer that are sequentially located on a side of the substrate. The touch electrode layer includes a plurality of first touch electrodes. The bridge layer includes a plurality of bridges, and a bridge of the plurality of bridges connects two adjacent first touch electrodes through a via passing through the second shadow elimination layer.Type: ApplicationFiled: September 3, 2021Publication date: December 1, 2022Inventors: Haiquan LI, Yimiao DING, Jun ZHOU, Lihua WANG, Shanshan ZHANG