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公开(公告)号：US10291984B2
公开(公告)日：2019-05-14
申请号：US14895682
申请日：2015-06-18
Inventor： Yajun Li , Zeyang Fan , Yuanfeng Zhang , Xin Duan
Abstract: A speaker, a television provided with the speaker and a multimedia device are provided. The speaker includes a box body and a plurality of transducer units installed within the box body by means of parallel connection: front sound cavities of the plurality of transducer units are independent of each other, respectively; and the plurality of transducer units share one back sound cavity. The speaker possesses such advantages that it has a high sound pressure level output and a smaller power consumption, it is usable to reduce the back-cavity acoustic resistance, and it is usable to raise the lower frequency limit in the low frequency range.
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公开(公告)号：US12067935B2
公开(公告)日：2024-08-20
申请号：US17762695
申请日：2021-05-07
Inventor： Yifan Hou , Tiankuo Shi , Zhihua Ji , Xiaomang Zhang , Xin Duan , Wei Sun , Tao Yang , Chenxi Zhao , Xiangjun Peng , Shuo Zhang , Minglei Chu , Yan Sun , Yanhui Xi
IPC: G09G3/3258 , G09G3/3208 , H01L27/32
CPC classification number: G09G3/3208 , G09G2320/0233 , G09G2320/0242 , G09G2320/041 , G09G2360/16
Abstract: A display compensating method, display compensating device, and display device are provided, which relates to field of display and addresses the issues of poor screen uniformity, grayscale relationship change of sub-pixel due to ambient temperature change, and display screen brightness affected by ageing offset of threshold voltage corresponding to the sub-pixel. The display compensating method is applied to the display device, including: converting a received grayscale signal into a brightness signal; performing an optical compensation on a display brightness of the display device based on the brightness signal; converting a corresponding brightness signal on which the optical compensation is performed into a voltage signal; compensating for a threshold voltage corresponding to each sub-pixel in the display device based on the voltage signal; and compensating for operating parameters of the display device for the display device at different operating temperatures.
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公开(公告)号：US11837149B2
公开(公告)日：2023-12-05
申请号：US17925872
申请日：2021-01-04
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Shaolei Zong , Xin Duan , Jigang Sun , Wei Sun
IPC: G09G3/20
CPC classification number: G09G3/2096 , G09G2310/0267 , G09G2310/0275 , G09G2310/04 , G09G2310/08 , G09G2354/00
Abstract: A driving method for a display panel, a display panel and a display apparatus, including: determining a gaze region, watched by eyes of a user, in a display region of the display panel; and refreshing data of at least some of sub-pixels in the display panel according to a set rule and in combination with the gaze region.
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14.发明授权公开(公告)号：US11651715B2
公开(公告)日：2023-05-16
申请号：US17762691
申请日：2021-05-19
Inventor： Yilin Feng , Wei Sun , Lianghao Zhang , Xin Duan , Wenchao Han , Zhaohui Meng , Li Tian , Xinle Wang
CPC classification number: G09G3/20 , G06F3/0412 , G09G2300/0426 , G09G2300/0819 , G09G2310/0291 , G09G2310/0297 , G09G2310/061 , G09G2310/08 , G09G2320/0252 , G09G2330/021 , G09G2354/00
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.
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公开(公告)号：US11308897B2
公开(公告)日：2022-04-19
申请号：US17255989
申请日：2020-05-22
Inventor： Tiankuo Shi , Lingyun Shi , Xiaomang Zhang , Xin Duan , Wei Sun , Guofeng Hu , Zhihua Ji , Yanhui Xi , Yan Sun , Bin Dai , Yue Li , Yifan Hou , Yilang Sun , Chuanjun Liu , Xue Dong
Abstract: A display device and a display control method, and the display device includes: a backlight module, a first display panel, and a second display panel, and a processor. The processor is configured to: acquire a pixel grayscale matrix of an image to be displayed; determine desired brightness of each pixel by using a grayscale-brightness curve of the second display panel based on the pixel grayscale matrix; determine set light-emitting brightness of backlight partition according to grayscale information in the pixel grayscale matrix corresponding to the backlight partition; obtain a first corrected brightness of each backlight partition based on light diffusion coefficients of the plurality of backlight partitions; determine a grayscale of pixel unit according to a brightness difference between the first corrected brightness and the desired brightness; obtain a second corrected brightness of the backlight partition.
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Patent Agency Ranking
16.发明授权公开(公告)号：US11244636B2
公开(公告)日：2022-02-08
申请号：US16647568
申请日：2019-02-27
Inventor： Tiankuo Shi , Lingyun Shi , Zhihua Ji , Xin Duan , Wei Sun
Abstract: An image display processing method for a display device, an image display processing device, a display device, and a storage medium are provided. The display device includes a backlight unit, the backlight unit includes a plurality of backlight blocks and is driven by a local dimming method. The image display processing method includes: obtaining backlight values of backlight blocks in N rows according to display data, which are transmitted, of pixels corresponding to the backlight blocks in the N rows in a current frame of image; based on the display data of the pixels corresponding to the backlight blocks in the N rows and the backlight values, which are obtained, of the backlight blocks in the N rows, obtaining compensated display data of the pixels corresponding to the backlight blocks in the N rows in the current frame of image.
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公开(公告)号：US11227554B2
公开(公告)日：2022-01-18
申请号：US16768715
申请日：2019-01-04
Inventor： Zhijie Guo , Ming Chen , Jieqiong Wang , Hsinchung Lo , Hao Zhu , Xin Duan
IPC: G09G3/3275 , G06F3/041 , G09G3/36
Abstract: The present disclosure relates to a data transmission method and device, a display screen, and a display device, and belongs to the application field of display technology. The method is applicable to a first drive chip in a display device that includes a controller, a plurality of drive chips and a data acquisition apparatus. The first drive chip is one of the plurality of drive chips and connected to the controller and the data acquisition apparatus respectively. The method includes: receiving component-related data acquired by the data acquisition apparatus; and sending backhaul data to the controller, the backhaul data including the component-related data. The present disclosure solves the problem of function singleness of the drive chip. The present disclosure is applicable to drive and control the display device.
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公开(公告)号：US20210407378A1
公开(公告)日：2021-12-30
申请号：US16755666
申请日：2019-10-25
Inventor： Guofeng Hu , Zhenkun Song , Ming Chen , Lingyun Shi , Yuxin Bi , Xin Duan , Yankai Gao , Hong Liu , Mingjian Yu
Abstract: A pixel driving circuit for a light-emission-device-based display panel is provided, including a driving transistor coupled to a light-emission device per subpixel; a digital-driving circuit having a first input terminal configured to receive a pixel voltage signal corresponding to a grayscale level of a subpixel image to be displayed and a first output terminal coupled to a gate terminal of the driving transistor. The digital-driving circuit is configured to convert the pixel voltage signal to a digital signal and transform the digital signal to a pulse-width-modulation (PWM) signal outputted via the first output terminal to the gate terminal of the driving transistor. The PWM signal comprises a pulse width proportional to the grayscale level as a duty cycle m a period of driving the light-emitting device to display subpixel image.
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公开(公告)号：US20210390916A1
公开(公告)日：2021-12-16
申请号：US17255989
申请日：2020-05-22
Inventor： Tiankuo Shi , Lingyun Shi , Xiaomang Zhang , Xin Duan , Wei Sun , Guofeng Hu , Zhihua Ji , Yanhui Xi , Yan Sun , Bin Dai , Yue Li , Yifan Hou , Yilang Sun , Chuanjun Liu , Xue Dong
IPC: G09G3/34
Abstract: A display device and a display control method, and the display device includes: a backlight module, a first display panel, and a second display panel, and a processor. The processor is configured to: acquire a pixel grayscale matrix of an image to be displayed; determine desired brightness of each pixel by using a grayscale-brightness curve of the second display panel based on the pixel grayscale matrix; determine set light-emitting brightness of backlight partition according to grayscale information in the pixel grayscale matrix corresponding to the backlight partition; obtain a first corrected brightness of each backlight partition based on light diffusion coefficients of the plurality of backlight partitions; determine a grayscale of pixel unit according to a brightness difference between the first corrected brightness and the desired brightness; obtain a second corrected brightness of the backlight partition.
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公开(公告)号：US20210335291A1
公开(公告)日：2021-10-28
申请号：US16487484
申请日：2018-10-19
Inventor： Xin Duan , Hsinchung Lo , Ming Chen , Xibin Shao
IPC: G09G3/36
Abstract: The present application discloses a method, device and system for data transmission, and a display device, and belongs to the field of manufacturing of a liquid crystal panel. The method is applied to a controller. The controller is connected to a plurality of driver chips connected in parallel via a first signal line, and the plurality of driver chips is sequenced according to a response feedback sequence. The method comprises: generating a data request instruction; sending, via the first signal line, a data request instruction; receiving, via the first signal line, the data response instructions sequentially sent by the plurality of driver chips according to the response feedback sequence, wherein each of the data response instructions comprises an identity of a corresponding driver chip and data of the corresponding driver chip. The present application may enrich the function of the first signal line and improve the utilization rate.
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