Patents by Inventor Wenhua Wang

Wenhua 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).

  • Publication number: 20250071968
    Abstract: A semiconductor device, manufacturing method therefor, and electronic equipment are provided. The manufacturing method includes: alternately depositing sacrificial layers and insulation layers to obtain a stacked structure; forming in the stacked structure a plurality of via holes distributed at intervals, and forming dummy word lines in the via holes; forming a first trench penetrating through the stacked structure every two via holes apart; forming a plurality of grooves by re-etching the plurality of insulation layers within the first trench, wherein two grooves of each insulation layer in two first trenches respectively expose partial side walls of a dummy word line; forming conductive layers within the two grooves corresponding to each insulation layer, wherein a conductive layer within each groove surrounds two exposed dummy word lines; and disconnecting a conductive layer surrounding a dummy word line to form a first electrode and a second electrode of a transistor.
    Type: Application
    Filed: June 26, 2024
    Publication date: February 27, 2025
    Applicant: BEIJING SUPERSTRING ACADEMY OF MEMORY TECHNOLOGY
    Inventors: Xuezheng AI, Xiangsheng WANG, Guilei WANG, Chao ZHAO, Wenhua GUI
  • Patent number: 12238918
    Abstract: Provided are a semiconductor device and manufacturing method thereof, and an electronic device. The semiconductor device includes multiple storage cells distributed in a direction perpendicular to a base substrate, the multiple storage cells include multiple transistors and capacitors distributed in different layers and stacked in the direction perpendicular to the base substrate; a word line penetrating different layers and extending in the direction perpendicular to the base substrate; a transistor includes a first source/drain electrode, a second source/drain electrode and a semiconductor layer surrounding a sidewall of the word line; first insulating layers and conductive layers alternately distributed in the direction perpendicular to the base substrate, at least one first hole penetrating the different layers; and the second electrode of the capacitor includes an inner electrode disposed in the first hole on the first electrode.
    Type: Grant
    Filed: June 26, 2024
    Date of Patent: February 25, 2025
    Assignee: BEIJING SUPERSTRING ACADEMY OF MEMORY TECHNOLOGY
    Inventors: Wenhua Gui, Xuezheng Ai, Guilei Wang, Jin Dai, Xiangsheng Wang
  • Patent number: 12231046
    Abstract: A radio frequency switch generator applicable to 1.8 V and 1.2 V power supplies, which relates to the technical field of radio frequency switches. The present invention comprises a bandgap reference circuit, a linear voltage regulator circuit, a boost circuit, a ring oscillator circuit and a negative voltage circuit; wherein both the boost circuit and the ring oscillator circuit adopt an independent linear voltage stabilizing circuit as a power supply voltage source; square signals generated by the ring oscillator circuit are regarded as input signals of the boost circuit and the negative voltage circuit; and positive voltage is finally obtained after the boost circuit is subjected to double boosting twice, and negative voltage is finally obtained after the negative voltage circuit is subjected to three-level cascading.
    Type: Grant
    Filed: November 29, 2023
    Date of Patent: February 18, 2025
    Assignee: SHANGHAI CANAANTEK CO., LTD.
    Inventors: Yujiao Wang, Jianling Guan, Tingting Xie, Dehang Zhou, Wenhai Ni, Wenhua Xu Ni
  • Publication number: 20250056790
    Abstract: Provided are a semiconductor device and manufacturing method thereof, and an electronic device. The semiconductor device includes multiple storage cells distributed in a direction perpendicular to a base substrate, the multiple storage cells include multiple transistors and capacitors distributed in different layers and stacked in the direction perpendicular to the base substrate; a word line penetrating different layers and extending in the direction perpendicular to the base substrate; a transistor includes a first source/drain electrode, a second source/drain electrode and a semiconductor layer surrounding a sidewall of the word line; first insulating layers and conductive layers alternately distributed in the direction perpendicular to the base substrate, at least one first hole penetrating the different layers; and the second electrode of the capacitor includes an inner electrode disposed in the first hole on the first electrode.
    Type: Application
    Filed: June 26, 2024
    Publication date: February 13, 2025
    Applicant: BEIJING SUPERSTRING ACADEMY OF MEMORY TECHNOLOGY
    Inventors: Wenhua GUI, Xuezheng AI, Guilei WANG, Jin DAI, Xiangsheng WANG
  • Publication number: 20250048615
    Abstract: A 3D stacked semiconductor device, a manufacturing method therefor, and an electronic equipment are disclosed. The 3D stacked semiconductor device includes a plurality of transistors distributed in different layers and stacked along a direction perpendicular to a base substrate; a word line penetrating through the transistors of the different layers; and a plurality of protective layers corresponding to the plurality of transistors respectively; wherein each transistor includes a semiconductor layer surrounding a side wall of the word line, a gate insulation layer disposed between the side wall of the word line and the semiconductor layer, a plurality of semiconductor layers of the plurality of transistors are disposed at intervals in a direction in which the word line extends; each of the protective layers respectively surrounds and covers an outer side wall of a corresponding semiconductor layer, and two adjacent protective layers are disconnected from each other.
    Type: Application
    Filed: June 8, 2023
    Publication date: February 6, 2025
    Applicant: BEIJING SUPERSTRING ACADEMY OF MEMORY TECHNOLOGY
    Inventors: Xuezheng Ai, Xiangsheng Wang, Guilei Wang, Jin Dai, Chao Zhao, Wenhua Gui
  • Patent number: 12217163
    Abstract: Methods and systems for budgeted and simplified training of deep neural networks (DNNs) are disclosed. In one example, a trainer is to train a DNN using a plurality of training sub-images derived from a down-sampled training image. A tester is to test the trained DNN using a plurality of testing sub-images derived from a down-sampled testing image. In another example, in a recurrent deep Q-network (RDQN) having a local attention mechanism located between a convolutional neural network (CNN) and a long-short time memory (LSTM), a plurality of feature maps are generated by the CNN from an input image. Hard-attention is applied by the local attention mechanism to the generated plurality of feature maps by selecting a subset of the generated feature maps. Soft attention is applied by the local attention mechanism to the selected subset of generated feature maps by providing weights to the selected subset of generated feature maps in obtaining weighted feature maps.
    Type: Grant
    Filed: September 22, 2023
    Date of Patent: February 4, 2025
    Assignee: Intel Corporation
    Inventors: Yiwen Guo, Yuqing Hou, Anbang Yao, Dongqi Cai, Lin Xu, Ping Hu, Shandong Wang, Wenhua Cheng, Yurong Chen, Libin Wang
  • Publication number: 20250034266
    Abstract: Described here is are antibodies to CCR8 having enhanced binding, ligand blocking and antibody dependent cellular cytotoxicity. Also described is are methods of treating a cancer by targeting tumor infiltrating lymphocytes in a cancer patient using a formulation comprising a CCR8 antibody described above.
    Type: Application
    Filed: December 2, 2022
    Publication date: January 30, 2025
    Inventors: Lishan KANG, Hongshui LIU, Lina WANG, Shang YIN, Shou LI, Bing WAN, Wenhua SHI, Min CHEN, Xinchuan DAI, David BELLOVIN, Jing ZHANG
  • Patent number: 12028477
    Abstract: A display method applied to an electronic device, a graphical user interface, and an electronic device are provided. The electronic device may perform, based on a most power saving display color of a display, color transformation on an interface element to be displayed on the display, so as to change a color of the interface element to be displayed on the display, thereby reducing power consumption of the display. In addition, in a color transformation process, color fidelity is performed on an interface element that includes rich information, so that rich meanings represented by the interface element can be preserved. In addition, different color transformations are performed on drawing elements that constitute the interface element and that are used as the foreground and the background, so as to distinguish between the foreground and the background that are adjacent to each other and that are obtained after the color transformations.
    Type: Grant
    Filed: December 13, 2019
    Date of Patent: July 2, 2024
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Jianbin Qiu, Yuhua Guo, Hongyuan Zhang, Wenhua Wang
  • Patent number: 11958946
    Abstract: A method for preparing a carbon nano tube/polyacrylic acid hydrogel, a product and an application thereof are provided. The method includes: oxidizing a carbon nanotube into a carboxylated carbon nanotube, thereafter performing in-situ polymerization with acrylic acid, sodium hydroxide, ammonium persulfate, triethanolamine and N, N-methylenebisacrylamide to obtain a carbon nanotube/polyacrylic acid hydrogel. The hydrogel has a uniform porous structure, facilitating a rapid transmission and supply of water. The carbon nanotubes in the hydrogel are of an array structure, achieving a full absorption of solar energy to realize a high-efficiency photothermal conversion. The gel is attached to a sponge base to obtain a solar-powered carbon nano tube/polyacrylic acid hydrogel steam generator for the photothermal conversion. The steam generator is used for solar seawater desalination, but can improve evaporation rate and evaporation efficiency.
    Type: Grant
    Filed: June 8, 2023
    Date of Patent: April 16, 2024
    Assignee: GUANGDONG OCEAN UNIVERSITY
    Inventors: Lefan Li, Chengpeng Li, Jingyuan Guo, Di Wang, Chengyong Li, Wenhua Wang, Zhang Hu, Sidong Li
  • Patent number: 11843287
    Abstract: It is disclosed a motor thermal protection device and operation method thereof. The motor thermal protection device utilizes a power supply of a motor for power supplying and comprises: a capacitor timing circuit, configured to time after the motor is powered off; a power-off time determining unit, configured to perform a reading operation of reading an output voltage of the capacitor timing circuit after the motor is powered on, and determine a power-off time from when the motor is powered off to when the motor is powered on according to the output voltage; and a heat accumulation calculating unit, configured to calculate a remaining heat accumulation when the motor is powered on according to the power-off time and a heat accumulation when the motor is powered off.
    Type: Grant
    Filed: July 16, 2021
    Date of Patent: December 12, 2023
    Assignee: Schneider Electric Industries SAS
    Inventors: Zhangji Zhou, Lei Shi, Ying Shi, Bing Shuang, Haijun Zhao, Wenhua Wang, Shuang Sun, Siyu Liu
  • Patent number: 11834351
    Abstract: A composite hydrogel sponge and its preparation method and application, and a solar desalination device are provided. The composite hydrogel sponge includes a water supply layer and an evaporation layer disposed on the water supply layer. A material of the water supply layer is polyacrylamide hydrogel, and a material of the evaporation layer is polyacrylamide/graphene composite hydrogel. The polyacrylamide/graphene composite hydrogel includes the polyacrylamide hydrogel and the graphene dispersed in the polyacrylamide hydrogel. The composite hydrogel sponge has a special porous structure of the sponge, which is beneficial to the rapid transmission and supply of water; meanwhile, the graphene on the surface of the evaporation layer can fully receive solar energy to achieve higher photo-thermal conversion efficiency.
    Type: Grant
    Filed: June 2, 2023
    Date of Patent: December 5, 2023
    Assignee: GUANGDONG OCEAN UNIVERSITY
    Inventors: Lefan Li, Zhang Hu, Jingyuan Guo, Tuanzhang Li, Wenhua Wang, Chengyong Li, Di Wang, Chengpeng Li, Sidong Li
  • Publication number: 20230312840
    Abstract: A method for preparing a carbon nano tube/polyacrylic acid hydrogel, a product and an application thereof are provided. The method includes: oxidizing a carbon nanotube into a carboxylated carbon nanotube, thereafter performing in-situ polymerization with acrylic acid, sodium hydroxide, ammonium persulfate, triethanolamine and N, N-methylenebisacrylamide to obtain a carbon nanotube/polyacrylic acid hydrogel. The hydrogel has a uniform porous structure, facilitating a rapid transmission and supply of water. The carbon nanotubes in the hydrogel are of an array structure, achieving a full absorption of solar energy to realize a high-efficiency photothermal conversion. The gel is attached to a sponge base to obtain a solar-powered carbon nano tube/polyacrylic acid hydrogel steam generator for the photothermal conversion. The steam generator is used for solar seawater desalination, but can improve evaporation rate and evaporation efficiency.
    Type: Application
    Filed: June 8, 2023
    Publication date: October 5, 2023
    Inventors: Lefan Li, Chengpeng Li, Jingyuan Guo, Di Wang, Chengyong Li, Wenhua Wang, Zhang Hu, Sidong Li
  • Publication number: 20230269324
    Abstract: A display method applied to an electronic device, a graphical user interface, and an electronic device are provided. The electronic device may perform, based on a most power saving display color of a display, color transformation on an interface element to be displayed on the display, so as to change a color of the interface element to be displayed on the display, thereby reducing power consumption of the display. In addition, in a color transformation process, color fidelity is performed on (in other words, no color transformation is performed on) an interface element that includes rich information (for example, rich colors), so that rich meanings represented by the interface element can be preserved.
    Type: Application
    Filed: December 13, 2019
    Publication date: August 24, 2023
    Inventors: Jianbin QIU, Yuhua GUO, Hongyuan ZHANG, Wenhua WANG
  • Publication number: 20230226649
    Abstract: A rail apparatus, a laser apparatus, and a laser machining device are provided in the present disclosure. The rail apparatus includes a rail frame assembly and a mounting assembly. The rail frame assembly includes a rail frame and a guide shaft fixed to the rail frame. The mounting assembly includes a mounting base and a pulley. The pulley defines a sliding groove. The sliding groove is slidably connected with the guide shaft. The laser apparatus includes a base, a laser, and a focusing member. The laser is disposed on the base and is configured to emit a laser light. The focusing member is movably disposed on the base and has a focusing end. The laser apparatus is operable in a retracting state and an extending state. The laser machining device includes the rail apparatus and the laser apparatus.
    Type: Application
    Filed: March 16, 2023
    Publication date: July 20, 2023
    Inventors: Guangliang HOU, Jianjun WANG, Wenhua WANG, Dongdong SHI, Kaiyao CHEN, Juan MA, Lijiao XIN
  • Publication number: 20230178562
    Abstract: A thin film transistor includes an active layer, a first loose layer and a first oxygen release layer. The first loose layer is at least disposed on a first surface of the active layer perpendicular to a thickness direction of the active layer, and is in contact with the active layer. A material of the first loose layer includes a first inorganic oxide insulating material. The first oxygen release layer is disposed on a surface of the first loose layer facing away from the active layer, and is in contact with the first loose layer. A material of the first oxygen release layer is a first oxygen-containing insulating material. A porosity of the first loose layer is different from a porosity of the first oxygen release layer, and/or an oxygen content of the first loose layer is different from an oxygen content of the first oxygen release layer.
    Type: Application
    Filed: January 30, 2023
    Publication date: June 8, 2023
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lizhong WANG, Tianmin ZHOU, Hehe HU, Shuilang DONG, Wenhua WANG, Nianqi YAO
  • Patent number: 11605739
    Abstract: An oxide thin film transistor includes an oxide active layer, a first loose layer and a first oxygen release layer. The first loose layer is at least disposed on a first surface of the oxide active layer perpendicular to a thickness direction of the oxide active layer, and is in contact with the oxide active layer. A material of the first loose layer includes a first inorganic oxide insulating material. The first oxygen release layer is disposed on a surface of the first loose layer facing away from the oxide active layer, and is in contact with the first loose layer. A material of the first oxygen release layer is a first oxygen-containing insulating material.
    Type: Grant
    Filed: May 18, 2020
    Date of Patent: March 14, 2023
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lizhong Wang, Tianmin Zhou, Hehe Hu, Shuilang Dong, Wenhua Wang, Nianqi Yao
  • Publication number: 20230053889
    Abstract: The present disclosure relates to a communication method for a slave device in a master-slave communication structure, including: sending a boot report to the master device at power-up to report that the slave device is booting, wherein the boot report includes identity information for the slave device; receiving a heartbeat message from the master device; and if no heartbeat message is received from the master device for more than a predetermined time, the boot report is continuously sent to the master device at predetermined intervals until a feedback message of successful connection is received from the master device. Further, the present disclosure relates to a communication method for a communication system having a master-slave communication structure, a communication device for a slave device in a master-slave communication structure, and a communication system having a master-slave communication structure.
    Type: Application
    Filed: July 12, 2022
    Publication date: February 23, 2023
    Applicant: Schneider Electric Industries SAS
    Inventors: Xiaoping Ying, Wenhua Wang
  • Patent number: 11448558
    Abstract: A Michelson interference optical fiber temperature sensor for detecting fringe contrast change is provided. It includes a light source, an optical fiber coupler connected to a first optical fiber and a second optical fiber, a coarse wavelength division multiplexer, a first photodetector, a second photodetector, a display device, and a processing circuit connected to the display device. The light source, optical fiber coupler and coarse wavelength division multiplexer are connected sequentially in that order. The coarse wavelength division multiplexer is connected to the first photodetector and the second photodetector individually. The first photodetector and the second photodetector are connected to the processing circuit. An end of the first optical fiber or the second optical fiber facing away from the optical fiber coupler is connected to a semiconductor. It has advantages of simple and fast manufacturing process, safe and reliable sensor, stable signal, low cost, high sensitivity and high precision.
    Type: Grant
    Filed: May 11, 2022
    Date of Patent: September 20, 2022
    Assignee: GUANGDONG OCEAN UNIVERSITY
    Inventors: Wenhua Wang, Wenqing Shi, Zhengye Xiong, Weina Wu, Yansheng Zhang, Yuanzheng Luo, Yuping Xie, Xianxiang Fei, Jiang Huang, Xuehui Lai, Chuhong Wang
  • Patent number: 11426693
    Abstract: A purification system having pipelines arranged at different levels in a height direction is disclosed. The purification system can include: a first purifier and a second purifier disposed side by side symmetrically; an air input pipeline, an air output pipeline and a waste nitrogen input pipeline, wherein the air input pipeline, the air output pipeline and the waste nitrogen input pipeline are disposed at different heights, the gap between pairs of pipelines being determined so as to facilitate overhaul of three-stem valves, a value W being smaller than a value W when the air input pipeline, the air output pipeline and the waste nitrogen input pipeline are arranged in parallel on the ground, and the purification system further comprises: a three-stem valve platform formed by a framework structure in a number of levels, to facilitate overhaul of the three-stem valves.
    Type: Grant
    Filed: December 21, 2019
    Date of Patent: August 30, 2022
    Assignee: L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude
    Inventors: Wenjuan Xiang, Zhiqiang Li, Yunqing Shi, Wenhua Wang
  • Publication number: 20220268641
    Abstract: A Michelson interference optical fiber temperature sensor for detecting fringe contrast change is provided. It includes a light source, an optical fiber coupler connected to a first optical fiber and a second optical fiber, a coarse wavelength division multiplexer, a first photodetector, a second photodetector, a display device, and a processing circuit connected to the display device. The light source, optical fiber coupler and coarse wavelength division multiplexer are connected sequentially in that order. The coarse wavelength division multiplexer is connected to the first photodetector and the second photodetector individually. The first photodetector and the second photodetector are connected to the processing circuit. An end of the first optical fiber or the second optical fiber facing away from the optical fiber coupler is connected to a semiconductor. It has advantages of simple and fast manufacturing process, safe and reliable sensor, stable signal, low cost, high sensitivity and high precision.
    Type: Application
    Filed: May 11, 2022
    Publication date: August 25, 2022
    Inventors: WENHUA WANG, WENQING SHI, ZHENGYE XIONG, WEINA WU, YANSHENG ZHANG, YUANZHENG LUO, YUPING XIE, XIANXIANG FEI, JIANG HUANG, XUEHUI LAI, CHUHONG WANG