Patents by Inventor Qinghua Li
Qinghua Li 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).
-
Patent number: 11999658Abstract: A gypsum wallboard having a core with a central core layer and one or more densified layers is disclosed. At least one densified layer contains salt absorbent particles of zeolite and/or hydrotalcite to improve adhesion of the gypsum core to a cover sheet. Also, methods of making the gypsum wallboard and a wall system for employing the gypsum wallboard are disclosed.Type: GrantFiled: June 28, 2022Date of Patent: June 4, 2024Assignee: UNITED STATES GYPSUM COMPANYInventors: Qinghua Li, Mark Hemphill
-
Publication number: 20240175839Abstract: Defect detection method for a semi-conducting bedding layer of a power cable includes: obtaining a length parameter, a corrugation pitch parameter, radius parameters, and a thickness parameter of a power cable; obtaining a first resistance value between a shield and a corrugated sheath, and calculating a second resistance value of the shield based on the length parameter and the corrugation pitch parameter; calculating a radial resistance value of the semi-conducting bedding layer based on the first resistance value and the second resistance value; determining a contact angle of a critical point of contact between the corrugated sheath and the semi-conducting bedding layer based on the radius parameters and the thickness parameter; calculating volume resistivity of the semi-conducting bedding layer based on the radial resistance value and the contact angle; and comparing the volume resistivity with a preset evaluation parameter to obtain a defect detection result of the semi-conducting bedding layer.Type: ApplicationFiled: January 21, 2022Publication date: May 30, 2024Inventors: Shengchen Fang, Pengxian Song, Xu Li, Yang Yu, Mingzheng Zhu, Zhengzheng Meng, Fengzheng Zhou, Xiaohui Zhu, Lei Yang, Jun Zhang, Chun He, Nan Wang, Ke Xu, Qinghua Tang, Chi Zhang, Haoming Wang, Longji Li, Cheng Sun, Wei Fan
-
Publication number: 20240172614Abstract: A breeding method for rapidly stabilizing cotton distant hybridization progeny is disclosed. It belongs to the technical field of plant breeding. The disclosure is based on VSG (G. barbadense semi-compatible material) as female parent, general G. hirsutum materials as male parent of the cross to get F1 generation of G. barbadense-G. hirsutum hybrid materials, and treats the F1 generation of young bolls with 0.03-0.05% of colchicine aqueous solution to induce F2 generation to separate the stable intermediate materials or new varieties with excellent genes of both G. barbadense and G. hirsutum, so as to produce new cotton germplasm resources. The main innovation of the present disclosure lies in that it changes the previous treatment position and method of colchicine on cotton plant, and the disclosure is not limited by haploid and directly treats the cotton bolls on F1 cotton plants.Type: ApplicationFiled: December 30, 2023Publication date: May 30, 2024Inventors: Zongpeng Cao, Qinghua Wang, Lixuan Yang, Peng Dong, Min Li, Yuanchun Qu, Zhen Xiang, Jianding Shen, Xiaofeng Xu, Honglei Quan, Jianbin Shi, Feng Liu
-
Patent number: 11993054Abstract: Disclosed are a composite gypsum board and a method of preparing composite gypsum board. The board contains set gypsum layers sandwiched between two cover sheets. The set gypsum layers are formed from at least stucco and water. The set gypsum layers include a board core and one or more skim coat layers. The set gypsum core makes up a substantial thickness (e.g., at least about 90%, at least about 92%, at least about 95%, or at least about 97%) of the total thickness of all the gypsum layers. A first skim coat layer is included on one side of the core, facing a first (face) cover sheet. A second skim coat layer is included on the other side of the core, facing a second (back) cover sheet. At least the second skim layer is formed from a slurry that contains starch. The stucco material generally includes a high salt impurity content, for example, when the stucco is calcined from certain sources of low-quality synthetic gypsum. For example, in some embodiments, the salts are chloride salts, e.g.Type: GrantFiled: June 18, 2020Date of Patent: May 28, 2024Assignee: United States Gypsum CompanyInventors: Qinghua Li, Mark K. Hemphill
-
Patent number: 11985080Abstract: For example, an Extremely High Throughput (EHT) wireless communication station (STA) may be configured to set a Resource Unit (RU) allocation subfield in an EHT Signal (SIG) field to indicate an RU assignment for an Orthogonal Frequency Division Multiple Access (OFDMA) EHT Physical layer (PHY) Protocol Data Unit (PPDU) according to a predefined RU allocation table, the RU assignment for the OFDMA EHT PPDU comprising a Multiple Resource Unit (MRU) comprising a plurality of RUs; and transmit the OFDMA EHT PPDU comprising the EHT SIG field.Type: GrantFiled: May 6, 2021Date of Patent: May 14, 2024Assignee: INTEL CORPORATIONInventors: Xiaogang Chen, Qinghua Li, Feng Jiang, Thomas J. Kenney
-
Publication number: 20240150243Abstract: It discloses a sustained release grouting material, a preparation method and an application thereof; the sustained release grouting material comprises a water swelling core and a water-soluble sustained release coating, the water swelling core is composed of bentonite, SAP and xanthan gum, which is granulated by disc granulator relying on the cohesiveness of xanthan gum; the water-soluble sustained-release coating is prepared by mixing water-soluble starch, polyvinyl alcohol, poloxamer, lubricant and plasticizer with deionized water to obtain a film-forming solution, and the film-forming solution is coated on a coating machine; the invention uses a coating machine to coat a layer of slow-release coating on the surface of the water-absorbing expansion core, and adjusts the coating thickness by controlling the mass ratio of the coating film-forming liquid to the water-absorbing expansion core particles, so as to realize the controllable water absorption onset time of the expansion core.Type: ApplicationFiled: November 6, 2023Publication date: May 9, 2024Applicant: SHANDONG UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Lihua Wang, Chunfeng Li, Zhijie Wen, Zengguang Pang, Xiaoming Fan, Qinghua Shu, Shifu Sun, Qingbiao Wang, Chunquan Dai, Weiwei Han, Shunrong Wang
-
Publication number: 20240149222Abstract: This invention relates to a multi-element membrane separator and separation method based on spiral-wound membrane elements. It includes a membrane housing, spiral-wound membrane elements, and baffles on both sides of the membrane housing, designed to secure the spiral-wound membrane elements. The permeate tubes of the spiral-wound membrane elements are connected to the openings in the perforated plates. Sealing rings are respectively provided at the connections of the permeate tubes and the perforated plate openings. This multi-element membrane separator enables a more compact arrangement of membrane elements, reducing the footprint of the membrane separation device. It also reduces the use of materials such as membrane housing, pipelines, and connecting fittings, thereby lowering equipment costs and the difficulty of membrane device assembly.Type: ApplicationFiled: November 6, 2023Publication date: May 9, 2024Inventors: Zhi Wang, Qinghua Li, Hongyu Wu, Jixiao Wang, Song Zhao
-
Publication number: 20240146059Abstract: A multistage energy utilization system based on electricity-heat-hydrogen-methane coupling is connected with a power grid, a heat-supply network and a gas-supply network. The system includes a renewable energy resource module, a hydrogen energy storage module, a heat storage module, a gas fired-boiler module, a methane reactor module and a carbon capture and storage (CCS) module. The renewable energy resource module is connected with the power grid and the hydrogen energy storage module. The hydrogen energy storage module is connected with the power grid, the heat-supply network and the methane reactor module. The methane reactor module is connected with the hydrogen energy storage module, the CCS module and the gas-supply network. The gas fired-boiler module is connected with the gas-supply network. The hydrogen energy storage module, the CCS module and the methane reactor module are integrated to improve energy utilization and consumption level of renewable energy resources.Type: ApplicationFiled: January 8, 2024Publication date: May 2, 2024Inventors: Jiehui ZHENG, Jiongcheng GUO, Zhigang LI, Qinghua WU
-
Patent number: 11970761Abstract: Disclosed is an iron-based amorphous alloy FeaBbSicREd, wherein a, b, and c represent, in atomic percentages, the contents of corresponding components, respectively; 83.0?a?87.0, 11.0<b<15.0, 2.0?c?4.0, and a+b+c=100; and d is the concentration of RE in the iron-based amorphous alloy, i.e. 10 ppm?d?30 ppm. The iron-based amorphous alloy has a saturation magnetic induction intensity of no less than 1.63 T, and same can be used to manufacture a magnetic core material for power transformers, motors and inverters.Type: GrantFiled: February 11, 2018Date of Patent: April 30, 2024Assignee: QINGDAO YUNLU ADVANCED MATERIALS TECHNOLOGY CO., LTD.Inventors: Dong Yang, Qinghua Li, Jing Pang
-
Publication number: 20240137971Abstract: An extremely high throughput (EHT) station (STA) configured for trigger based (TB) transmission may decode an trigger frame (TF) received from an access point (AP). The TF may include an assignment of resources comprising one or more 20 MHz channels. The EHT STA may determine which of the one or more assigned channels are available for transmission and which of the allocated channels are unavailable when the EHT STA is assigned more than one 20 MHz channel. The EHT STA may encode a EHT TB PPDU in response to the trigger frame. The EHT TB PPDU may be encoded to include an EHT preamble followed by a data field. The EHT preamble may be encoded to indicate channel availability. The EHT STA may generate signalling to cause the EHT STA to transmit the encoded EHT TB PPDU only on the assigned channels that have been determined to be available.Type: ApplicationFiled: August 29, 2023Publication date: April 25, 2024Inventors: Xiaogang Chen, Qinghua Li, Feng Jiang, Ziv Avital, Po-Kai Huang
-
Publication number: 20240137154Abstract: A station (STA) configured for operation in a WLAN may perform bit scrambling on input bits to generate scrambled input bits and may perform probabilistic constellation shaping using a shaping encoder on the scrambled input bits. The shaping encoder may encode a segment of the scrambled input bits for a modulation order and generate a shaped bit stream. In these embodiments, the STA may generate a QAM symbol stream with a QAM modulator. The QAM symbol stream may be generated at least from the shaped bit stream and from parity bits using the modulation order. The STA may generate the parity bits from the shaped bit streams with a forward-error correction (FEC) encoder and may transmit the QAM symbol stream within a physical layer protocol data unit (PPDU). To address a potential byte boundary shift caused a decoding error at a receiving station, the STA may modify performance of the bit scrambling when probabilistic constellation shaping is performed.Type: ApplicationFiled: December 29, 2023Publication date: April 25, 2024Inventors: Qinghua Li, Hao Song, Danny Alexander, Shlomi Vituri, Assaf Gurevitz, Robert J. Stacey
-
Publication number: 20240129058Abstract: For example, an apparatus may include a segment parser to parse scrambled data bits of a PPDU into a first plurality of data bits and a second plurality of data bits, the PPDU to be transmitted in an OFDM transmission over an aggregated bandwidth comprising a first channel in a first frequency band and a second channel in a second frequency band; a first baseband processing block to encode and modulate the first plurality of data bits according to a first OFDM MCS for transmission over the first channel in the first frequency band; and a second baseband block to encode and modulate the second plurality of data bits according to a second OFDM MCS for transmission over the second channel in the second frequency band.Type: ApplicationFiled: October 17, 2023Publication date: April 18, 2024Applicant: INTEL CORPORATIONInventors: Alexander W. Min, Thomas J. Kenney, Laurent Cariou, Shahrnaz Azizi, Xiaogang Chen, Robert J. Stacey, Qinghua Li
-
Publication number: 20240129174Abstract: A station (STA) configured for operation in a wireless local area network (WLAN) may implement an unequal Modulation and Coding Scheme (MCS) for Probabilistic Constellation Shaping using first and second shaping encoders. The first shaping encoder may encode a first segment of input bits for a first modulation order and generate a first shaped bit stream and the second shaping encoder may encode a second segment of input bits for a second modulation order to generate a second shaped bit stream. A first QAM symbol stream may be generated at least from the first shaped bit stream and from parity bits using the first modulation order and a second QAM symbol stream may be generated at least from the second shaped bit stream and from parity bits using the second modulation order. The STA may generate the parity bits from the first and second shaped bit streams with one or more LDPC encoders and may transmit the first and second QAM symbol streams within a PPDU.Type: ApplicationFiled: December 27, 2023Publication date: April 18, 2024Inventors: Qinghua Li, Hao Song, Juan Fang, Shlomi Vituri, Assaf Gurevitz, Danny Alexander, Robert J. Stacey
-
Patent number: 11962406Abstract: An extremely high-throughput (EHT) station (STA) may encode an EHT PPDU for transmission on a plurality of subchannels. The EHT STA may determine a spectral mask to apply to the EHT PPDU prior to transmission of the EHT PPDU. When preamble puncturing is performed, the EHT STA may apply an overall spectral mask to the EHT PPDU prior to transmission. The overall spectral mask may be based on an interim spectral mask and a preamble-puncture spectral mask. The subchannels may be in a 6 GHz band and the EHT STA may determine if preamble puncturing is to be performed for one or more of the subchannels based on a presence of incumbents in the one or more of the subchannels, although the scope of the embodiments is not limited in this respect.Type: GrantFiled: December 17, 2020Date of Patent: April 16, 2024Assignee: Intel CorporationInventors: Xiaogang Chen, Qinghua Li, Thomas J. Kenney, Assaf Gurevitz, Avishay Friedman
-
Patent number: 11957002Abstract: An array substrate, a preparing method thereof, a display panel and a display apparatus are disclosed. The array substrate includes: a base substrate (1); a driving circuit structure (2) on the base substrate (1); a planarization layer (3) and a plurality of electrode structures (4) successively located on a side, facing away from the base substrate (1), of the driving circuit structure (2); insulation structures (5) in gap areas between adjacent electrode structures (4); and pixel defining structures (6) on a side, facing away from the base substrate (1), of the insulation structures (5). The thickness of the insulation structures (5) is not smaller than the thickness of the electrode structures (4). An orthographic projection of the pixel defining structures (6) on the base substrate (1) at least completely covers the insulation structures (5).Type: GrantFiled: December 29, 2020Date of Patent: April 9, 2024Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Wei Li, Jingjing Xia, Bin Zhou, Shengping Du, Yang Zhang, Wei Song, Qinghua Guo
-
Publication number: 20240110095Abstract: The present disclosure belongs to the technical field of nanomaterial synthesis, and in particular, to a preparation method for a narrow-linewidth alloy quantum dot. The preparation method provided by the present disclosure includes the following steps: in a protective gas atmosphere, mixing a cadmium source, an organic ligand, and an organic solvent with a first selenium source for a nucleation reaction to obtain an organic solution of a CdSe quantum dot core; and mixing the organic solution of the CdSe quantum dot core, a zinc source and an inorganic anion source for shell coating to obtain the narrow-linewidth alloy quantum dot, where the inorganic anion source includes a second selenium source.Type: ApplicationFiled: March 30, 2023Publication date: April 4, 2024Inventors: Qinghua LI, Lingfeng WANG, Xuping LIU, Xiao JIN, Dongyu LI, Deng WANG, Jingke BAI, Bing XU
-
Publication number: 20240113806Abstract: This disclosure describes systems, methods, and devices related to enhanced low-density parity-check (LDPC) coding. A device may generate a frame comprising a data field, wherein the data field comprises a number of information bits. The device may calculate a required initial number of orthogonal frequency-division multiplexing (OFDM) symbols based on the number of information bits. The device may calculate an initial number of segments in a last OFDM symbol of the number of OFDM symbols. The device may calculate a number of data bits that can be filled within an initial number of OFDM symbols. The device may determine an LDPC codeword length based on the calculated number of data bits that can be filled. The device may cause to send the frame to one or more devices based on the LDPC codeword length.Type: ApplicationFiled: November 28, 2023Publication date: April 4, 2024Applicant: Intel CorporationInventors: Juan FANG, Po-Kai HUANG, Qinghua LI, Robert STACEY, Shlomi VITURI
-
Patent number: 11945751Abstract: Water-resistant gypsum products may be produced using a novel catalyst that includes calcium aluminate cement and/or calcium sulfoaluminate cement. For example, a water-resistant gypsum panel may have a core comprising: interwoven matrices of calcium sulfate dihydrate crystals and a silicone resin, wherein the interwoven matrices have dispersed throughout them a siloxane polymerization catalyst comprising (a) 55 wt % to 100 wt % calcium aluminate cement and/or calcium aluminate cement and (b) 0 wt % to 45 wt % and magnesium oxide, wherein the weight ratio of the siloxane polymerization catalyst to the calcium sulfate dihydrate is 0.01-5:100. The water-resistant gypsum panel may have an absence of one or more of: Portland cement, limestone, aragonite, calcite, dolomite, and slaked lime.Type: GrantFiled: April 30, 2021Date of Patent: April 2, 2024Assignee: KNAUF GIPS KGInventors: Qinghua Li, Ashish Dubey, Nicholas D′anna
-
Patent number: 11949606Abstract: A wireless communication device, method and system. The device includes a memory, and a processing circuitry coupled to the memory. The processing circuitry is to: decode at least one signal field portion of a signal field of a Physical Layer Convergence Protocol (PLCP) Data Unit (PPDU) received over a bonded channel, the bonded channel comprising a plurality of subchannels including a punctured subchannel, the signal field portion on at least one unpunctured subchannel of the plurality of subchannels; determine, from the at least one signal field portion, information on a resource allocation for the device, the resource allocation indicating at least one resource unit (RU) used in a data field of the PPDU for the device; and decode a data field portion of the data field of the PPDU, the data field portion received on a part of the punctured subchannel based on the resource allocation.Type: GrantFiled: October 24, 2022Date of Patent: April 2, 2024Assignee: Intel CorporationInventors: Laurent Cariou, Xiaogang Chen, Qinghua Li, Robert J. Stacey, Huaning Niu
-
Patent number: 11943922Abstract: A non-volatile memory includes a plurality of word lines connected to non-volatile memory cells, a plurality of driver lines configured to carry one or more word line voltages, and a plurality of word line switches that selectively connect the driver lines to the word lines. To more efficiently utilize space on the die, the word line switches are arranged in a plurality of three dimensional stacks such that each stack of the plurality of stacks comprises multiple word line switches vertically stacked.Type: GrantFiled: November 11, 2023Date of Patent: March 26, 2024Assignee: Western Digital Technologies, Inc.Inventors: Guangyuan Li, Qinghua Zhao, Sudarshan Narayanan, Yuji Totoki, Fumiaki Toyama