Patents by Inventor Feng Lu

Feng Lu 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: 20260121400
    Abstract: Embodiments of the disclosure provide a solid state circuit breaker, including: a first input end and a second input end for receiving a power input; a first output end and a second output end for providing a power supply output; a first On-Off unit including a first switching device and a second switching device connected in series between the first input end and the first output end; a capacitor, a first end of the capacitor being connected to a node between the first switching device and the second switching device and a second end of the capacitor being connected to a node between the second input end and the second output end; and a bidirectional transient voltage suppression diode connected in parallel with the capacitor.
    Type: Application
    Filed: December 27, 2024
    Publication date: April 30, 2026
    Applicant: Schneider Electric (China) Co., Ltd.
    Inventors: Heng Bai, Jianguo Fan, Ying Shi, Haijun Zhao, Feng Lu, Jiamin Chen
  • Publication number: 20260118753
    Abstract: Organometallic tin photoresists for photolithography patterning, particularly Extreme ultraviolet (EUV) lithography, are described. Organometallic tin photoresists comprise ansa-bridged [n]stannocenophane compounds including dihalides (BCP2SnX2), or bis(functional groups) (BCP2SnRaRb), wherein B is an ansa-bridge connected two cyclopentadienyl (Cp) groups including substituted or unsubstituted hydrocarbon groups, elementals, or functional groups, for example, n=1, 2, or 3 links as intramolecular bridges containing or C, Si, Ge, Sn, Pb, or O, S, Se, or Te; X=F, Cl, Br, or I; Ra, Rb are each independently functional groups comprising —R?, -E?R?, —N(R?)(R?), —O—(C?O)—R?, —(C?O)—R?, —NR?—C(?O)—R?, or —(C?O)—N(R?)(R?) group, E?=O, S, Se, or Te. A method of forming photolithography patterning using the organometallic tin photoresist is also described.
    Type: Application
    Filed: October 3, 2025
    Publication date: April 30, 2026
    Inventor: Feng Lu
  • Patent number: 12609612
    Abstract: The present disclosure relates to a power supply circuit and an electrical device. The power supply circuit includes: a first switch; a first capacitor connected in series with the first switch; a voltage sampling device configured to detect a voltage of the first capacitor and/or a power supply bus to which the power supply circuit is connected; and a control circuit configured to output a control signal based on the detected voltage, wherein the first switch is configured to be switched on or off based on the control signal. In this way, a low-voltage withstanding capacitor with a large capacitance can be achieved in the power supply circuit by switching out the capacitor when the power supply bus voltage is high and switching in the capacitor to assist in power supply when the power supply bus voltage is low.
    Type: Grant
    Filed: December 28, 2023
    Date of Patent: April 21, 2026
    Assignee: Schneider Electric Industries SAS
    Inventors: Han Wang, Xiaohang Chen, Feng Lu, Meng Du, Jie Feng, Yangfeng Song, Jianwei Tian, Wanlong Bai, Yuchen Ye
  • Publication number: 20260094663
    Abstract: The present invention relates to a system and method for memristor crossbar array neural network with defective synaptics repair. There is provided a memristor circuit including a primary memristor crossbar array, a redundant memristor crossbar array; and a connection switching circuit for switching inputs from the primary memristor crossbar array to the redundant memristor crossbar array when a defective synaptic is detected in the primary memristor crossbar array.
    Type: Application
    Filed: September 30, 2024
    Publication date: April 2, 2026
    Inventors: Feng Lu, Xiaosheng Chen, Jing Jung Tang
  • Publication number: 20260095188
    Abstract: An electronic control circuit. The circuit includes an oscillator circuit arranged to generate a periodic output signal having an output frequency equals to an input frequency multiplied by a fractional-N divider's division ratio; and a feedback circuit including an integer divider arranged to divide the periodic output signal with a positive integer and provide an integer divider output as a feedback signal to an input of the oscillator circuit; wherein the integer divider output is fed to the oscillator circuit as input periodic signal to a Time-Digital Convertor of the oscillator circuit; wherein the Time-Digital Convertor is arranged to output a digital signal based on an input reference signal with the input frequency and the input periodic signal.
    Type: Application
    Filed: September 30, 2024
    Publication date: April 2, 2026
    Inventors: Feng Lu, Jing Jung Tang
  • Patent number: 12573836
    Abstract: According to embodiments of the present disclosure, there is provided an apparatus and method for protecting a solid-state circuit breaker.
    Type: Grant
    Filed: February 22, 2024
    Date of Patent: March 10, 2026
    Assignee: Schneider Electric (China) Co., Ltd.
    Inventors: Feng Lu, Haijun Zhao, Heng Bai, Shunxian Mao, Jiamin Chen, Fenglian Zhang
  • Patent number: 12546387
    Abstract: A gearbox includes a pair of housings which are respectively provided with a bearing block protruding axially from an inner surface thereof. A radial inner surface of the bearing block defines a bearing chamber for accommodating a bearing. At least one of the housings being provided with a lubricating assembly on the inner surface thereof. The lubricating assembly includes (i) an oil deflector having a radial segment extending from a radial outer surface of the bearing block in a direction away from the radial outer surface, and a circumferential segment extending from the radial segment along the radial outer surface, and (ii) a middle oil guide rib intersecting with the radial outer surface of the bearing block and being provided with, at the intersection, an oil inlet hole providing access to the bearing chamber of the bearing block. The oil inlet hole is located on a lower side of the oil deflector. The circumferential segment extends towards the oil inlet hole.
    Type: Grant
    Filed: March 9, 2023
    Date of Patent: February 10, 2026
    Assignee: Robert Bosch GmbH
    Inventors: Minzhu Wang, Feng Lu
  • Patent number: 12535540
    Abstract: An apparatus for generating a self-check leakage current is disclosed. The apparatus includes: a mechanical switch; a phase line solid-state switch arranged on a phase line and located upstream of the mechanical switch; a current transformer arranged upstream of the phase line solid-state switch; a bypass unit including a bypass switch and a bypass resistor, one end of the bypass unit is connected between the mechanical switch and the solid-state switch on the phase line, and the other end is connected to the upstream of the current transformer on the neutral line; A control unit for controlling the switching on and off of the phase line solid-state switch and the bypass switch and to receive the current value detected by the current transformer, wherein the self-check leakage current is generated when the phase line solid-state switch and the bypass switch are switched on.
    Type: Grant
    Filed: November 27, 2023
    Date of Patent: January 27, 2026
    Assignee: Schneider Electric Industries SAS
    Inventors: Feng Lu, Xiaohang Chen, Han Wang, Jie Feng, Yangfeng Song, Jianwei Tian, Wanlong Bai
  • Patent number: 12536245
    Abstract: The present invention discloses a neural network-based NARMA-L2 multivariable control method, which includes: deriving a NARMA-L2 multivariable control law of a nonlinear discrete system; using neural networks to offline identify nonlinear functions in the control law; designing the controller with the control law, designing a closed-loop control system for a certain type of turbofan engine, and adding the function of making the online update of neural network errors on the basis of this to correct the controller parameters, and studying the tracking performance of the control system. Aimed to minimize the quadratic performance index for the errors of the engine's high-pressure rotating speed and pressure ratio, by using neural networks in combination with the deduced NARMA-L2 multivariable control law, the present invention has designed a dual-variable controller, calculated the engine's control variables and controlled the fuel flow of the engine and the critical interface area of the exhaust nozzle.
    Type: Grant
    Filed: May 24, 2021
    Date of Patent: January 27, 2026
    Assignee: NANJING UNIVERSITY OF AERONAUTICS AND ASTRONAUTICS
    Inventors: Jinquan Huang, Jie Tang, Feng Lu, Xiaojie Chou, Yahui Gao, Haiqin Qin
  • Publication number: 20260011998
    Abstract: A detecting apparatus for a circuit breaker and a circuit breaker are provided. The detecting apparatus includes: a micro control unit including an analog-to-digital conversion port and a digital-to-analog conversion port; and a zero-sequence current transformer coupled in a line of the circuit breaker and including: an induction coil encircling the line of the circuit breaker; a detection winding coupled to the induction coil and connected to the analog-to-digital conversion port, so as to induce an induction signal from the induction coil at least during a leakage period or a leakage detection period and send a leakage signal related to the induction signal to the analog-to-digital conversion port; and a self-detection winding coupled to the induction coil and connected to the digital-to-analog conversion port, so as to receive a self-detection signal sent by the micro control unit via the digital-to-analog conversion port to perform a leakage detection.
    Type: Application
    Filed: July 1, 2025
    Publication date: January 8, 2026
    Inventors: Jianwei TIAN, Xiaohang Chen, Yangfeng Song, Wanlong Bai, Jie Feng, Han Wang, Feng Lu
  • Patent number: 12511714
    Abstract: The embodiments of this disclosure disclose an image anomaly detection method. A specific implementation of the method comprises: obtaining a test image; inputting the test image to an autoencoder to obtain a first reconstructed image; inputting the first reconstructed image to an expert network to obtain a second reconstructed image; based on the test image, the first reconstructed image, the second reconstructed image and a perceptual measurement method, generating an anomaly score matrix; based on the anomaly score matrix, generating anomalous area information. This implementation achieves a zero-shot training network and improves the accuracy of locating anomalous areas.
    Type: Grant
    Filed: December 24, 2021
    Date of Patent: December 30, 2025
    Assignee: Beihang University
    Inventors: Feng Lu, Yunfei Liu
  • Patent number: 12507510
    Abstract: A display panel and a display device are provided. The display panel includes a substrate; a light-emitting unit disposed on one side of the substrate; and a light-shielding layer disposed a side of the light-emitting unit away from the substrate. The light-shielding layer includes a first type of openings and a second type of openings; each of the first type of openings includes a first holding area and a second holding area corresponding the first holding area; first holding areas and the second type of openings are configured to dispose first color resists; the second holding area is configured to dispose a filling color resist; and an opening area of the first holding area is smaller than an opening area of each of the second type of openings.
    Type: Grant
    Filed: July 15, 2021
    Date of Patent: December 23, 2025
    Assignee: Shanghai Tianma Micro-electronics Co., Ltd.
    Inventors: Shihao Tang, Yang Zeng, Yaodong Wu, Jiaxian Liu, Qijun Yao, Feng Lu
  • Patent number: 12493372
    Abstract: A display panel and a display device are provided, The display panel includes: a circuit layer, a light-emitting device layer located at a side of the circuit layer and including vertical light-emitting diodes; and a touch structure. A part of the touch structure is located between the light-emitting device layer and the circuit layer, and/or a part of the touch structure is located at a side of the light-emitting device layer away from the circuit layer.
    Type: Grant
    Filed: June 21, 2024
    Date of Patent: December 9, 2025
    Assignee: Shanghai Tianma Microelectronics Co., Ltd.
    Inventors: Feng Lu, Feng Qin, Qijun Yao, Yang Zeng, Quanpeng Yu
  • Publication number: 20250370333
    Abstract: Organometallic photoresist compositions for photolithography patterning, particularly for extreme ultraviolet (EUV) radiation, are described. The organometallic photoresist compositions comprise a first organometallic (cyclopentadienyl)tin compound; a second organometallic compound represented by chemical formula CpaMbLc, wherein M comprises Sb, In, Bi, Te, Zr, and Hf, Cp is cyclopentadienyl, L is ligand, a, b, c are integer and ?1; a solvent; and/or an additive.
    Type: Application
    Filed: May 25, 2025
    Publication date: December 4, 2025
    Inventor: Feng Lu
  • Publication number: 20250341908
    Abstract: Provided are a display panel and a display device. The display panel includes a substrate, a first conductive portion, a second conductive portion and a third conductive portion. The second conductive portion is disposed between the first conductive portion and the substrate. The first conductive portion is electrically connected to a drive module through the second conductive portion. The second conductive portion is disposed between the third conductive portion and the substrate. The projection of the third conductive portion on the substrate does not overlap with the first conductive portion. The projection of the third conductive portion on the substrate overlaps with the second conductive portion.
    Type: Application
    Filed: July 10, 2025
    Publication date: November 6, 2025
    Applicant: Hubei Yangtze Industrial Innovation Center Of Advanced Display Co., Ltd.
    Inventors: Feng LU, Qijun YAO, I
  • Publication number: 20250306460
    Abstract: Organotin compounds bearing cyclopentadienyl, sulfur, selenium, or tellurium as photoresists, and/or precursors for photolithography patterning, or thermoelectric materials, are described, particularly for extreme ultraviolet radiation (EUV), wherein cyclopentadienyl comprises cyclopentadienyl C5H5 group, or substituted cyclopentadienyl C5H3R, CH2R2, C5HR3, C5R4, or C5R5 group with hapticity of ?1, ?2, ?3, ?4, or ?5 of isomers.
    Type: Application
    Filed: March 28, 2025
    Publication date: October 2, 2025
    Inventor: Feng Lu
  • Patent number: 12412721
    Abstract: According to an embodiment of the present disclosure, there is provided a solid-state circuit breaker and its self-test method.
    Type: Grant
    Filed: December 4, 2023
    Date of Patent: September 9, 2025
    Assignee: Schneider Electric (China) Co., Ltd.
    Inventors: Feng Lu, Haijun Zhao, Jiamin Chen, Jialu Bai
  • Patent number: 12399556
    Abstract: The embodiments of the present disclosure disclose a method for gaze estimation based on physically interpretable features. A specific mode of implementation of this method comprises: constructing a first convolutional neural network, inputting a user's facial image, extracting image features, and regression fitting to obtain an estimated value of the gaze direction; transforming the image features extracted by the first convolutional neural network into physically interpretable features through data processing algorithms, and performing gaze estimation through physically interpretable features; training a gaze estimation model based on physically interpretable features, and on the basis of the trained first convolutional neural network, continuing to optimize the first convolutional neural network using the physically interpretable features.
    Type: Grant
    Filed: January 24, 2024
    Date of Patent: August 26, 2025
    Assignee: Beihang University
    Inventors: Feng Lu, Yiwei Bao
  • Patent number: 12388450
    Abstract: An electronic oscillator circuit and a method for controlling an oscillation frequency of a ring oscillator circuit. The circuit includes a plurality of inverter stages each Including an inverter and a trans-resistance switch circuit configured to switch on the inverter during an operation of the electronic oscillator circuit thereby facilitating the inverter to generate an inverter output signal in response to an inverter input signal fed to the inverter; wherein the inverters in the plurality of the inverter stages are connected to form a ring oscillator circuit.
    Type: Grant
    Filed: September 27, 2023
    Date of Patent: August 12, 2025
    Assignee: Logistics and Supply Chain MultiTech R&D Centre Limited
    Inventors: Feng Lu, Jing Jung Tang
  • Patent number: D1126421
    Type: Grant
    Filed: April 15, 2025
    Date of Patent: May 12, 2026
    Inventor: Feng Lu