Patents by Inventor Wenchao HAN

Wenchao HAN 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: 20250148950
    Abstract: A display panel, a display device and a driving method. The display panel includes a display region and a peripheral region. The display region includes a subpixel unit array having a plurality of rows and a plurality of columns of subpixel units, and the peripheral region includes a gate drive circuit. The display region further includes a plurality of gate lines and a plurality of data lines. The gate drive circuit includes a plurality of shift register units, and the plurality of gate lines are electrically connected with the plurality of shift register units. The gate drive circuit includes two shift-register-unit scanning groups, in the shift-register-unit scanning groups, a (k+1)th shift register unit and a (k)th shift register unit form one shift register unit group.
    Type: Application
    Filed: January 8, 2025
    Publication date: May 8, 2025
    Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhaohui MENG, Wei SUN, Wenchao HAN, Hong YANG, Lin CONG, Wenjun XIAO
  • 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: 12230180
    Abstract: A display panel, a display device and a driving method. The display panel includes a display region and a peripheral region. The display region includes a subpixel unit array having a plurality of rows and a plurality of columns of subpixel units, and the peripheral region includes a gate drive circuit. The display region further includes a plurality of gate lines and a plurality of data lines. The gate drive circuit comprises a plurality of shift register units, and the plurality of gate lines are electrically connected with the plurality of shift register units. The gate drive circuit comprises two shift-register-unit scanning groups, in the shift-register-unit scanning groups, a (k+1)th shift register unit and a (k)th shift register unit form one shift register unit group.
    Type: Grant
    Filed: February 28, 2024
    Date of Patent: February 18, 2025
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhaohui Meng, Wei Sun, Wenchao Han, Hong Yang, Lin Cong, Wenjun Xiao
  • Publication number: 20250044585
    Abstract: A photosensitive system, a display apparatus and a method for determining a position of a human eye, the photosensitive system comprises: photosensitive array devices arranged in an array, an amplification circuit, an analog-to-digital conversion circuit and a coordinate determining circuit.
    Type: Application
    Filed: December 2, 2022
    Publication date: February 6, 2025
    Inventors: Wenchao HAN, Xue DONG, Wei SUN, Zhongyuan WU
  • 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: 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: 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: 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: 12164717
    Abstract: A touch display panel, and a touch display device are provided. The touch display panel includes: a plurality of first data lines; a plurality of touch-control lines; a plurality of first contact pads; a plurality of first selection switches connected to the plurality of first contact pads in an one-to-one correspondence manner; each first selection switch is electrically connected to one first contact pad, one first data line and one touch-control line, and is configured to receive a first control signal and, according to the first control signal, electrically connect a first contact pad and a first data line during a first time period and electrically connect the first contact pad and a touch-control line during a second time period, and the first time period and the second time period do not overlap.
    Type: Grant
    Filed: September 11, 2023
    Date of Patent: December 10, 2024
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wenchao Han, Hong Yang
  • 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: 12133056
    Abstract: A display device, a sound producing control method, a method and device for determining parameters. The display device includes a plurality of exciters arranged on the display panel, the display panel producing sound on a screen through the plurality of exciters; wherein, the plurality of the exciters are formed as at least one sound producing unit, each sound producing unit includes at least two exciters, and each exciter in the same sound producing unit is connected to a same audio signal input end, in one sound producing unit, a signal filter is provided on an audio transmission line from the audio signal input end to at least one exciter, and used for low frequency compensation of a sound produced by the entire sound producing unit.
    Type: Grant
    Filed: February 7, 2021
    Date of Patent: October 29, 2024
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yanhui Xi, Xiaomang Zhang, Wenchao Han, Yaqian Ji, Wei Sun, Minglei Chu, Xiangjun Peng, Tiankuo Shi, Zhihua Ji, Yan Sun, Yifan Hou, Chenxi Zhao, Shuo Zhang
  • Publication number: 20240339459
    Abstract: A display device and a manufacturing method therefor are provided by the present application. The display devices can greatly increase the bonding precision of the chip packaging unit and the display panel, thereby the quantity of the output channels of chip packaging unit are greatly increased, thus the requirements of the high-resolution display products are satisfied. A chip packaging component is formed, wherein the chip packaging component includes at least one chip packaging unit; and the chip packaging unit includes at least a flexible base, a rigid base disposed at one side of the flexible base, and a lead layer disposed at one side of the flexible base away from the rigid base, lead layer includes at least a plurality of first leads, and orthographic projections of the plurality of first leads on the flexible base are located within an orthographic projection of rigid base on the flexible base.
    Type: Application
    Filed: February 20, 2023
    Publication date: October 10, 2024
    Applicants: Beijing BOE Technology Development Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Meili Wang, Lei Wang, Wei Sun, Zhongyuan Wu, Xue Dong, Wenchao Han, Shuilang Dong
  • 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: 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: 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: 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