Patents by Inventor Yifan Song

Yifan Song 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: 12236901
    Abstract: Disclosed are a brightness control apparatus and method, and a display apparatus. The brightness control apparatus includes an optical detection circuit and an integrated circuit chip connected with the optical detection circuit. The optical detection circuit includes at least one transistor, configured to detect a light intensity of light to be detected corresponding to an environment where a display panel is located, and generate an electrical signal corresponding to the light intensity of the light to be detected.
    Type: Grant
    Filed: May 28, 2021
    Date of Patent: February 25, 2025
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Xinle Wang, Wenchao Han, Yifan Song, Zhaohui Meng, Lianghao Zhang, Yilin Feng, Zhengri Lin, Mingming Wang, Wei Sun, Rui Liu, Xin Duan, Jing Liu, Wanzhi Chen
  • Patent number: 12181338
    Abstract: The present disclosure provides a luminous flux test circuitry, a test method and a display panel. The luminous flux test circuitry includes two test sub-circuitries, a control sub-circuitry and a light-shielding pattern.
    Type: Grant
    Filed: December 27, 2021
    Date of Patent: December 31, 2024
    Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yifan Song, Wenchao Han, Zhaohui Meng, Wei Sun
  • Patent number: 12170042
    Abstract: There is provided a detection circuit, a display panel and a detection method. The detection circuit includes: a conversion circuit configured to acquire a photoelectric sensing signal in real time and convert the acquired photoelectric sensing signal into a luminance value; a storage circuit configured to store N luminance values from the conversion circuit on a first input first output basis; a discrimination circuit connected to the storage circuit and configured to determine whether at least two of the N luminance values meet a preset condition; and an output circuit connected to the discrimination circuit and the storage circuit, and configured to output a preset default luminance value in response to the at least two luminance values meeting the preset condition and output at least one of the N luminance values in response to the at least two luminance values not meeting the preset condition.
    Type: Grant
    Filed: May 18, 2021
    Date of Patent: December 17, 2024
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Lianghao Zhang, Xinle Wang, Yifan Song, Wenchao Han, Zhaohui Meng, Wanzhi Chen, Jing Liu
  • Patent number: 12148401
    Abstract: A display substrate includes a base substrate, a plurality of photosensitive transistor units, a plurality of photosensitive ESD protection units, and at least one common signal line. The base substrate includes a display region, a peripheral region located at a periphery of the display region, and a binding region located at a side of the display region. The plurality of photosensitive transistor units, the plurality of photosensitive ESD protection units and the at least one common signal line are located in the peripheral region. The plurality of photosensitive transistor units is connected with binding pins in the binding region through a plurality of signal lines. At least one photosensitive ESD protection unit is connected with, and located between, at least one signal line and the common signal line.
    Type: Grant
    Filed: June 23, 2021
    Date of Patent: November 19, 2024
    Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Zhengri Lin, Wenchao Han, Xinle Wang, Yifan Song, Wanzhi Chen, Jing Liu, Wei Sun, Rui Liu, Xin Duan, Zhaohui Meng, Mingming Wang, Lianghao Zhang, Jiantao Liu
  • Patent number: 12134868
    Abstract: Disclosed is an oil pressure type seismic mitigation and isolation support and a use method thereof. An upper plate slot is arranged above a lower plate slot, the lower part of the upper plate slot and the upper part of the lower plate slot are both provided with grooves, and the upper part of the upper plate slot and the lower part of the lower plate slot are both provided with embedded bars; a steel cushion body has a shape of a cuboid and is arranged on the upper surface of a seismic mitigation layer, the seismic mitigation layer is arranged in the groove at the upper part of the lower plate slot, and the upper part of the steel cushion body extends into the groove of the upper plate slot and is in contact with the bottom surface of the groove one-direction double-direction.
    Type: Grant
    Filed: November 12, 2021
    Date of Patent: November 5, 2024
    Assignee: CHANG'AN UNIVERSITY
    Inventors: Yongjun Zhou, Yelu Wang, Yifan Song, Yu Zhao, Nannan Sun
  • Publication number: 20240304131
    Abstract: The present disclosure provides a display control method and device, an image processing device and display apparatus, and belongs to the technical field of display. The display control method of the present disclosure includes: determining a data stream format according to data streams for the tth frame of image; determining a dynamic region and image data thereof from the data streams for the tth frame of image when the data stream format is a regional transmission format; and transmitting the image data for the dynamic region and/or the image data for the (t?1)th frame of image in the buffer space to the display assembly according to the end-of-transmission identifier in the data streams for the tth frame of image and the configuration command of the tth frame of image, so that the display assembly refreshes the display image.
    Type: Application
    Filed: March 30, 2022
    Publication date: September 12, 2024
    Inventors: Zhaohui MENG, Lin CONG, Xin DUAN, Yifan SONG
  • Publication number: 20240304155
    Abstract: Disclosed are a brightness control apparatus and method, and a display apparatus. The brightness control apparatus includes an optical detection circuit and an integrated circuit chip connected with the optical detection circuit. The optical detection circuit includes at least one transistor, configured to detect a light intensity of light to be detected corresponding to an environment where a display panel is located, and generate an electrical signal corresponding to the light intensity of the light to be detected.
    Type: Application
    Filed: May 28, 2021
    Publication date: September 12, 2024
    Inventors: Xinle WANG, Wenchao HAN, Yifan SONG, Zhaohui MENG, Lianghao ZHANG, Yilin FENG, Zhengri LIN, Mingming WANG, Wei SUN, Rui LIU, Xin DUAN, Jing LIU, Wanzhi CHEN
  • Publication number: 20240275397
    Abstract: Disclosed in embodiments of the present disclosure are an analog-to-digital conversion circuit, an integrated chip, a display device, and an analog-to-digital conversion method. A first conversion circuit converts an original analog signal to obtain a digital signal of a first bit width; a voltage division circuit performs voltage division on a first-level analog signal to obtain a second-level analog signal, the first-level analog signal being an original analog signal or a second-level analog signal obtained by a previous voltage division circuit adjacent to the voltage division circuit; a second conversion circuit converts the received second-level analog signal according to a preset algorithm to obtain a second digital signal of a second bit width; and a control calculation circuit obtains a target digital signal of a third bit width according to the first digital signal and the second digital signal.
    Type: Application
    Filed: May 19, 2021
    Publication date: August 15, 2024
    Inventors: Yifan SONG, Xinle WANG, Wenchao HAN, Mingming WANG, Wanzhi CHEN, Jing LIU, Zhengri LIN
  • Publication number: 20240268009
    Abstract: In the backlight control circuit; a luminous flux sensing sub-circuit senses luminous flux of a display device, obtains and outputs a first control signal from a first control signal output terminal; a control sub-circuit includes N control units each including a first/second sub-unit; the first sub-unit connects or disconnects an output terminal of the second sub-unit and the backlight control signal output terminal under the control of the first control signal, the second sub-unit connects or disconnects a signal input terminal and the output terminal of the second sub-unit under the control of the second control signal; the N second control signal output terminals provide effective second control signals in a time division manner; conduction thresholds corresponding to the N first sub-units increase sequentially, and when a corresponding relationship between the first control signal and the conduction threshold is met, the first transistor is turned on.
    Type: Application
    Filed: December 27, 2021
    Publication date: August 8, 2024
    Inventors: Yifan SONG, Zhaohui MENG, Wenchao HAN, Wei SUN
  • Patent number: 12058795
    Abstract: In the backlight control circuit; a luminous flux sensing sub-circuit senses luminous flux of a display device, obtains and outputs a first control signal from a first control signal output terminal; a control sub-circuit includes N control units each including a first/second sub-unit; the first sub-unit connects or disconnects an output terminal of the second sub-unit and the backlight control signal output terminal under the control of the first control signal, the second sub-unit connects or disconnects a signal input terminal and the output terminal of the second sub-unit under the control of the second control signal; the N second control signal output terminals provide effective second control signals in a time division manner; conduction thresholds corresponding to the N first sub-units increase sequentially, and when a corresponding relationship between the first control signal and the conduction threshold is met, the first transistor is turned on.
    Type: Grant
    Filed: December 27, 2021
    Date of Patent: August 6, 2024
    Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yifan Song, Zhaohui Meng, Wenchao Han, Wei Sun
  • Publication number: 20240255413
    Abstract: The present disclosure provides a field integrated device for automatically shielding and collecting rainwater and simulating rainfall and an experimental method. The field integrated device comprises a roller shutter assembly. A rainfall assembly and a rainwater collecting assembly are fixed on the roller shutter assembly. The roller shutter assembly guides rainwater into the rainwater collecting assembly while shielding the rainwater. The rainfall assembly is connected with a pumping assembly. The pumping assembly transports the rainwater to the rainfall assembly to realize artificial rainfall simulation. The pumping assembly is fixed in a solar module. The solar module is electrically connected with the pumping assembly and a driving assembly in the roller shutter assembly. The solar module is in signal connection with a remote signal end.
    Type: Application
    Filed: May 5, 2023
    Publication date: August 1, 2024
    Applicant: China Institute of Water Resources and Hydropower Research
    Inventors: Yifan SONG, Xiaogang WANG, Tianling QIN, Yajing LU, Denghua YAN, Tiejun LIU, Jianan YAO, Rui JIAO, Yumei TAN, Baisha WENG, Yaru FENG, Xiaojie YANG
  • Publication number: 20240230403
    Abstract: The present disclosure provides a luminous flux test circuitry, a test method and a display panel. The luminous flux test circuitry includes two test sub-circuitries, a control sub-circuitry and a light-shielding pattern.
    Type: Application
    Filed: December 27, 2021
    Publication date: July 11, 2024
    Inventors: Yifan SONG, Wenchao HAN, Zhaohui MENG, Wei SUN
  • Publication number: 20240212633
    Abstract: The present disclosure provides a brightness adjusting method and system for a display apparatus, and belongs to the algorithm field. In the brightness adjusting method for a display apparatus provided by the present disclosure, the display apparatus includes a photosensitive sampling circuit, and the photosensitive sampling circuit includes at least one photosensitive device. The method includes: acquiring a current first sampling signal of each of the at least one photosensitive device; determining a second sampling signal of the photosensitive device according to an initial sampling signal acquired in advance and the first sampling signal; and calibrating the second sampling signal according to a preset calibration algorithm to obtain an actual sampling signal.
    Type: Application
    Filed: October 25, 2021
    Publication date: June 27, 2024
    Inventors: Wenchao HAN, Wei SUN, Xinle WANG, Yifan SONG, Jing LIU, Xue DONG, Wanzhi CHEN
  • Publication number: 20240169947
    Abstract: A display substrate includes a base substrate, a plurality of photosensitive transistor units, a plurality of photosensitive ESD protection units, and at least one common signal line. The base substrate includes a display region, a peripheral region located at a periphery of the display region, and a binding region located at a side of the display region. The plurality of photosensitive transistor units, the plurality of photosensitive ESD protection units and the at least one common signal line are located in the peripheral region. The plurality of photosensitive transistor units is connected with binding pins in the binding region through a plurality of signal lines. At least one photosensitive ESD protection unit is connected with, and located between, at least one signal line and the common signal line.
    Type: Application
    Filed: June 23, 2021
    Publication date: May 23, 2024
    Inventors: Zhengri LIN, Wenchao HAN, Xinle WANG, Yifan SONG, Wanzhi CHEN, Jing LIU, Wei SUN, Rui LIU, Xin DUAN, Zhaohui MENG, Mingming WANG, Lianghao ZHANG, Jiantao LIU
  • Publication number: 20240153423
    Abstract: There is provided a detection circuit, a display panel and a detection method. The detection circuit includes: a conversion circuit configured to acquire a photoelectric sensing signal in real time and convert the acquired photoelectric sensing signal into a luminance value; a storage circuit configured to store N luminance values from the conversion circuit on a first input first output basis; a discrimination circuit connected to the storage circuit and configured to determine whether at least two of the N luminance values meet a preset condition; and an output circuit connected to the discrimination circuit and the storage circuit, and configured to output a preset default luminance value in response to the at least two luminance values meeting the preset condition and output at least one of the N luminance values in response to the at least two luminance values not meeting the preset condition.
    Type: Application
    Filed: May 18, 2021
    Publication date: May 9, 2024
    Applicants: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Lianghao Zhang, Xinle Wang, Yifan Song, Wenchao Han, Zhaohui Meng, Wanzhi Chen, Jing Liu
  • Publication number: 20230250135
    Abstract: Provided herein are group 2 influenza hemagglutinin stem polypeptides, nucleic acids encoding said polypeptides, vectors comprising said nucleic acid and pharmaceutical compositions comprising the same, as well as methods of their use, in particular in the prevention and/or treatment of influenza virus infections.
    Type: Application
    Filed: September 3, 2020
    Publication date: August 10, 2023
    Inventors: Mandy Antonia Catharina JONGENEELEN, Tina RITSCHEL, Ferdinand Jacobus MILDER, Indigo KING, Yifan SONG, Johannes Petrus Maria LANGEDIJK, Boerries BRANDENBURG
  • Publication number: 20230030379
    Abstract: A peripheral area of the display panel is provided with a photosensitive TFT structure, the photosensitive TFT structure includes a reference TFT unit and a photosensitive TFT unit, first electrodes of a reference TFT included in the reference TFT unit and a photosensitive TFT included in the photosensitive TFT unit are connected to a signal input terminal of the photosensitive TFT structure; a second electrode of the reference TFT is connected to a second signal line of the photosensitive TFT structure; a second electrode of the photosensitive TFT is connected to a third signal line of the photosensitive TFT structure; a gate electrode of the reference TFT is connected to a first control terminal of the photosensitive TFT structure, and a gate electrode of the photosensitive TFT is connected to a second control terminal of the photosensitive TFT structure.
    Type: Application
    Filed: September 10, 2021
    Publication date: February 2, 2023
    Inventors: Xinle WANG, Yifan SONG, Yichi ZHANG, Yilin FENG, Wenchao HAN, Wei SUN
  • Patent number: 11422123
    Abstract: A field condition-based experimental apparatus for an ecological indicator of vegetation includes a plurality of isolation units arranged at intervals and an auxiliary mechanism detachably connected to the isolation unit. The isolation units include a plurality of isolation boxes arranged at intervals and respectively having a hollow structure, and a support frame respectively disposed at four corners of the isolation box. The auxiliary mechanism is detachably connected to the support frame. A soil layer is disposed in the isolation box. The experimental apparatus has a reliable structure and is easy to use. An appropriate number of isolation units are buried under field conditions based on experimental needs. Auxiliary mechanisms of different structures are mounted based on experimental conditions. This implements reliable detection of an ecological indicator of vegetation under the field conditions and effectively improves authenticity and reliability of detection results.
    Type: Grant
    Filed: November 23, 2021
    Date of Patent: August 23, 2022
    Assignees: China Institute of Water Resources and Hydropower Research, Beijing Water Science and Technology Institute, YELLOW RIVER CONSERVANCY COMMISSION OF THE MINISTRY OF WATER RESOURCES
    Inventors: Yifan Song, Yajing Lu, Yu Wang, Denghua Yan, Tiejun Liu, Jianying Guo, Tianling Qin, Baisha Weng
  • Publication number: 20220204567
    Abstract: The invention provides recombinant influenza A hemagglutinin (HA) polypeptides, comprising an HA1 and a HA2 domain of an influenza A virus HA, and comprising an amino acid sequence wherein: (a) the amino acid at position 355 is W; and (b) the amino acid at position 432 is I and/or the amino acid at position 380 is I; and wherein the numbering of the amino acid positions in the amino acid sequence of the HA polypeptide is according to the numbering of amino acids in the amino acid sequence of HA from a reference H3N2 influenza strain, in particular the reference strain H3N2 A/Aichi/2/68 (SEQ ID NO: 1), immunogenic fragments thereof, nucleic acid molecules encoding said polypeptides or immunogenic fragments, and uses thereof.
    Type: Application
    Filed: April 23, 2020
    Publication date: June 30, 2022
    Inventors: Boerries BRANDENBURG, Tina RITSCHEL, Ferdinand Jacobus MILDER, Mandy Antonia, Catharina JONGENEELEN, Indigo KING, Yifan SONG, Johannes Petrus, Maria LANGEDIJK
  • Publication number: 20220170902
    Abstract: A field condition-based experimental apparatus for an ecological indicator of vegetation includes a plurality of isolation units arranged at intervals and an auxiliary mechanism detachably connected to the isolation unit. The isolation units include a plurality of isolation boxes arranged at intervals and respectively having a hollow structure, and a support frame respectively disposed at four corners of the isolation box. The auxiliary mechanism is detachably connected to the support frame. A soil layer is disposed in the isolation box. The experimental apparatus has a reliable structure and is easy to use. An appropriate number of isolation units are buried under field conditions based on experimental needs. Auxiliary mechanisms of different structures are mounted based on experimental conditions. This implements reliable detection of an ecological indicator of vegetation under the field conditions and effectively improves authenticity and reliability of detection results.
    Type: Application
    Filed: November 23, 2021
    Publication date: June 2, 2022
    Applicants: China Institute of Water Resources and Hydropower Research, Beijing Water Science and Technology Institute, Yellow River Conservancy Commission of the Ministry of Water Resources
    Inventors: Yifan SONG, Yajing LU, Yu WANG, Denghua YAN, Tiejun LIU, Jianying GUO, Tianling QIN, Baisha WENG