Patents by Inventor Lianghao ZHANG

Lianghao ZHANG 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: 20250142258
    Abstract: The present disclosure provides a display device, a sound-emitting control method, and a sound-emitting control device.
    Type: Application
    Filed: January 2, 2025
    Publication date: May 1, 2025
    Inventors: Minglei CHU, Yanhui XI, Xiaomang ZHANG, Xiangjun PENG, Wenchao HAN, Lianghao ZHANG, Wei SUN, Rui LIU, Xin DUAN, Tiankuo SHI
  • 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: 12207066
    Abstract: The present disclosure provides a display device, a sound-emitting control method, and a sound-emitting control device. The device includes: a display screen which includes a first display region, a middle display region, and a second display region; a plurality of sound-emitting units, which include: a plurality of first sound-emitting units, a plurality of second sound-emitting units and a plurality of third sound-emitting units; the plurality of first sound-emitting units and the plurality of second sound-emitting units respectively include a sound-emitting unit which emits sounds at a first frequency band, a sound-emitting unit which emits sounds at a second frequency band, and a sound-emitting unit which emits sounds at a third frequency band; the first, second, and third frequency bands increase in turn; and all of the plurality of third sound-emitting units are the sound-emitting units emitting sound in the second frequency band.
    Type: Grant
    Filed: May 19, 2021
    Date of Patent: January 21, 2025
    Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Minglei Chu, Yanhui Xi, Xiaomang Zhang, Xiangjun Peng, Wenchao Han, Lianghao Zhang, Wei Sun, Rui Liu, Xin Duan, Tiankuo Shi
  • Patent number: 12174063
    Abstract: A sampling circuit, including a voltage divider circuit, a switch circuit and a comparator circuit; wherein first terminals of resistance voltage divider sub-circuits in the voltage divider circuit are electrically connected to voltage division output terminals, respectively, and the resistance voltage divider sub-circuits are configured to perform resistance voltage division processing according to the voltages at first and second input terminals and write divided voltages to the voltage division output terminals, respectively; the voltage division output terminals are electrically connected to the third input terminal through corresponding switch sub-circuits in the switch circuit, respectively, and each switch sub-circuit is configured to control connection/disconnection between a corresponding voltage division output terminal and the third input terminal; the comparator circuit is electrically connected to the sampling output terminal, and is configured to compare voltages at the third and fourth input te
    Type: Grant
    Filed: October 29, 2021
    Date of Patent: December 24, 2024
    Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhaohui Meng, Lianghao Zhang, Xinle Wang, Wenchao Han, Wei Sun
  • Patent number: 12177645
    Abstract: A sound-generating device, a display device, a sound-generating controlling method, and a sound-generating controlling device are provided. The sound-generating device includes: a reflection plate which includes a first sound wave reflection face arranged towards a first direction; a plurality of main loudspeakers, the plurality of main loudspeakers are distributed in an array in a preset three-dimensional space, and the preset three-dimensional space is located at one side of the first sound wave reflection face towards a first direction; the plurality of main loudspeakers include first main loudspeakers with a sound-generating direction towards the first direction, and second main loudspeakers with a sound-generating direction towards a second direction, the second direction is an opposite direction of the first direction; and the sound waves emitted by the second main loudspeakers are transmitted to the first sound wave reflection face and can be reflected by the first sound wave reflection face.
    Type: Grant
    Filed: May 21, 2021
    Date of Patent: December 24, 2024
    Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Shuo Zhang, Tiankuo Shi, Xiaomang Zhang, Yanhui Xi, Zhihua Ji, Yan Sun, Chenxi Zhao, Xiangjun Peng, Yifan Hou, Lianghao Zhang, Li Tian, Jing Liu, 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
  • 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: 20240298132
    Abstract: An audio control method, a control device, a driving circuit and a readable storage medium are provided. The audio control method according to some embodiments of the present disclosure is applicable to the display screen configured with M speakers, and the method includes: obtaining a sound image coordinate of a sound object relative to the display screen; determining N speakers from the M speakers as loudspeakers according to the sound image coordinate and position coordinates of the M speakers relative to the display screen; determining output gains of the N loudspeakers according to distances between the N loudspeakers and a viewer of the display screen and sound attenuation coefficients; and calculating output audio data of the sound object in the display screen according to audio data of the sound object and the output gains of the N loudspeakers, and controlling the M speakers to play the output audio data.
    Type: Application
    Filed: May 31, 2022
    Publication date: September 5, 2024
    Inventors: Lianghao ZHANG, Zhaoyun GU, Yaqian JI, Wenchao HAN, Xin DUAN, Shuhuan YU
  • Publication number: 20240272481
    Abstract: A driving assembly includes a main control chip, a circuit selection chipset and a channel chipset. The circuit selection chipset includes more than one circuit selection chip used to be electrically connected with each light source voltage line in one-to-one correspondence, and is configured to enable each circuit selection chip to load the light source voltage to the connected light source voltage line one by one under control of the main control chip; the channel chipset includes more than one channel control chip, each channel control chip is used to be electrically connected with one or more channel lines; the channel chipset is configured to enable the channel control chip to control driving current on each connected channel line under control of the main control chip.
    Type: Application
    Filed: June 29, 2022
    Publication date: August 15, 2024
    Applicants: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Wei SUN, Lianghao ZHANG, Xin DUAN, Zhaohui MENG, Shuhuan YU, Ying ZHOU
  • Publication number: 20240273947
    Abstract: A pupil information collection circuit, a pupil information collection method and a display apparatus are provided, belong to the field of display technology, and can solve the problem that the existing pupil information collection circuit occupies a large area. The pupil information collection circuit includes: M infrared light sensors, N analog-to-digital converters and N multiplexing sub-circuits; where M and N are both positive integers, and M is greater than N; every m infrared light sensors are connected to the same analog-to-digital converter through one corresponding multiplexing sub-circuit; m is less than or equal to M; and for the m infrared light sensors connected to the same analog-to-digital converter, a distance between collection ranges of any two adjacent infrared light sensors is greater than a diameter of the pupil.
    Type: Application
    Filed: March 28, 2022
    Publication date: August 15, 2024
    Inventors: Lianghao ZHANG, Wenchao HAN, Wei SUN
  • Publication number: 20240223936
    Abstract: A display panel and a fabricating method are provided. Display panel includes a display assembly and sound generation assemblies. The display assembly comprises a display assembly substrate and a plurality of pixel components. Each sound generation assembly comprises a vibrating membrane and an exciter. The exciter comprises a motion part in contact with the vibrating membrane and a drive part driving the motion part to vibrate, and the motion part vibrates to drive the vibrating membrane to vibrate. The display assembly substrate and the vibrating membrane are the same structure. The pixel components are disposed on a side of the vibrating membrane facing away from the exciter. A projection of the each sound generation assembly on the display assembly substrate covers projections of at least two pixel components on the display assembly substrate.
    Type: Application
    Filed: March 18, 2024
    Publication date: July 4, 2024
    Inventors: Yaqian JI, Xue DONG, Wei SUN, Yingming LIU, Wenchao HAN, Xiaoliang DING, Xiufeng LI, Yanling HAN, Lianghao ZHANG, Chenyang ZHANG, Yuzhen GUO, Peixiao LI, Yue GOU
  • Publication number: 20240210239
    Abstract: A sampling circuit, including a voltage divider circuit, a switch circuit and a comparator circuit; wherein first terminals of resistance voltage divider sub-circuits in the voltage divider circuit are electrically connected to voltage division output terminals, respectively, and the resistance voltage divider sub-circuits are configured to perform resistance voltage division processing according to the voltages at first and second input terminals and write divided voltages to the voltage division output terminals, respectively; the voltage division output terminals are electrically connected to the third input terminal through corresponding switch sub-circuits in the switch circuit, respectively, and each switch sub-circuit is configured to control connection/disconnection between a corresponding voltage division output terminal and the third input terminal; the comparator circuit is electrically connected to the sampling output terminal, and is configured to compare voltages at the third and fourth input te
    Type: Application
    Filed: October 29, 2021
    Publication date: June 27, 2024
    Inventors: Zhaohui MENG, Lianghao ZHANG, Xinle WANG, Wenchao HAN, Wei SUN
  • 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
  • Patent number: 11991496
    Abstract: A display panel, a fabricating method and a control method thereof and a display device are provided. Display panel includes a display assembly and sound generation assemblies. Display assembly includes a display assembly substrate and pixel components disposed on a side of display assembly substrate. Each sound generation assembly includes a vibrating membrane, an exciter, and a support structure. Support structure is disposed on a side of vibrating membrane and has a cavity. Exciter includes a motion part in contact with vibrating membrane and a drive part disposed in cavity. Drive part drives motion part to vibrate, and motion part vibrates to drive vibrating membrane to vibrate. Display assembly substrate and vibrating membrane are the same structure, and pixel components are disposed on a side of vibrating membrane facing away from support structure. Display device includes the display panel above.
    Type: Grant
    Filed: May 20, 2021
    Date of Patent: May 21, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yaqian Ji, Xue Dong, Wei Sun, Yingming Liu, Wenchao Han, Xiaoliang Ding, Xiufeng Li, Yanling Han, Lianghao Zhang, Chenyang Zhang, Yuzhen Guo, Peixiao Li, Yue Gou
  • 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
  • Patent number: 11979737
    Abstract: A display device and an operation method of the display device are provided in the present disclosure. The display device includes a display screen a sound-generation driving module, and further includes an acoustic scanning module, arranged on a non-display side of the display screen and configured to determine a spatial contour of a space where the display device is located through acoustic scanning; a viewer position detection module, configured to detect viewer coordinates in the space where the display device is located; and a control module, configured to control the sound-generation driving module to generate sound in accordance with the spatial contour and the viewer coordinates.
    Type: Grant
    Filed: April 15, 2021
    Date of Patent: May 7, 2024
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Yue Gou, Yingming Liu, Yaqian Ji, Xiufeng Li, Yanling Han, Chenyang Zhang, Peixiao Li, Yuzhen Guo, Wenchao Han, Lianghao Zhang
  • Patent number: 11902761
    Abstract: The present disclosure provides a sound producing device, a method for driving the sound producing device, a display panel and a display apparatus. The sound producing device includes a recognition element, a directional sound production element and a control element, where the recognition element is connected with the control element and is configured to acquire information relating to a person in a preset range and transmit the acquired information relating to the person to the control element; the control element is connected with the directional sound production element and is configured to acquire a corresponding audio signal according to the acquired information relating to the person and control the directional sound production element to send out a sound wave according to the acquired audio signal.
    Type: Grant
    Filed: May 8, 2021
    Date of Patent: February 13, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yanling Han, Yingming Liu, Yuzhen Guo, Chenyang Zhang, Peixiao Li, Xiufeng Li, Yaqian Ji, Yue Gou, Wei Sun, Wenchao Han, Lianghao Zhang
  • Patent number: 11662866
    Abstract: The present disclosure provides a touch panel and a positioning method thereof. The touch panel includes: a transparent conductive film layer including a plurality of first self-capacitance touch electrodes arranged along a first direction, wherein the plurality of first self-capacitance touch electrodes are configured to detect a coordinate of a touch point in the first direction, at least one of the plurality of first self-capacitance touch electrodes is a transparent conductive film block extending along a second direction, and the first direction intersects with the second direction; and a wire layer including a plurality of second self-capacitance touch electrodes arranged along the second direction, wherein the plurality of second self-capacitance touch electrodes are configured to detect a coordinate of the touch point in the second direction, and at least one of the plurality of second self-capacitance touch electrodes is a group of wires extending along the first direction.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: May 30, 2023
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lianghao Zhang, Wenchao Han, Yilin Feng, Xiaoyang Shen, Mingming Wang
  • Patent number: 11651715
    Abstract: The present disclosure provides a charging circuitry, a display device, a wearable device, a display driving method and a display driving device. The charging circuitry includes: a driving sub-circuitry configured to receive an image signal and convert the image signal into a display driving signal to be outputted to a data line of the array substrate; a circuitry power supply voltage end configured to apply a direct current voltage to the driving sub-circuitry; and a switch sub-circuitry arranged on a connection circuitry between the circuitry power supply voltage end and the driving sub-circuitry, and configured to be switched between a first state where the circuitry power supply voltage end is electrically coupled to the driving sub-circuitry and a second state where the circuitry power supply voltage end is electrically decoupled from the driving sub-circuitry.
    Type: Grant
    Filed: May 19, 2021
    Date of Patent: May 16, 2023
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yilin Feng, Wei Sun, Lianghao Zhang, Xin Duan, Wenchao Han, Zhaohui Meng, Li Tian, Xinle Wang