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公开(公告)号：US11570867B2
公开(公告)日：2023-01-31
申请号：US17364679
申请日：2021-06-30
Inventor： Wei Hao , Lingyun Shi , Wenchieh Huang , Feifei Wang , Wengang Su , Rui Shi , Xingce Shang , Junwei Zhang , Kaimin Yin , Qibing Gu , Lili Jia , Xiurong Wang
Abstract: A method of controlling a driving circuit applicable to a light-emitting substrate which includes a light-emitting assembly including a plurality of light-emitting-element strings connected in parallel, each of the plurality of light-emitting strings comprising a plurality of light-emitting-elements connected in series, the driving circuit connected to the plurality of light-emitting-element strings via a wiring, wherein the method comprises: obtaining a wiring IR drop, a light-emitting element string IR drop, a voltage deviation, and a channel IR drop; obtaining a target power supply voltage according to the wiring IR drop, the light-emitting element string IR drop, the voltage deviation, and the channel IR drop; comparing the target power supply voltage with an output voltage to obtain a comparison result; generating an adjustment signal according to the comparison result; and adjusting the output voltage according to the adjustment signal. A driving circuit and a light-emitting substrate are further provided.
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公开(公告)号：US11380245B2
公开(公告)日：2022-07-05
申请号：US16438994
申请日：2019-06-12
Inventor： Qibing Gu , Hsinchung Lo , Chen Meng , Rui Liu , Wei Sun , Guangquan Wang , Ming Chen
IPC: G09G3/20
Abstract: The present disclosure discloses a display drive method, a display drive apparatus, a display apparatus, and a wearable device. The display drive method includes: receiving an original display data signal; sampling the original display data signal based on a clock input signal to obtain a display mode signal, a gate line scanning signal, and an initial data voltage signal; shifting the initial data voltage signal according to the display mode signal to obtain a data voltage signal; and controlling the display apparatus to display based on the display mode signal, the gate line scanning signal, and the data voltage signal.
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公开(公告)号：US11018493B2
公开(公告)日：2021-05-25
申请号：US16122320
申请日：2018-09-05
Inventor： Qibing Gu , Bo Gao , Wei Sun , Lingyun Shi , Hao Zhang , Guangquan Wang , Ming Chen , Xue Dong
IPC: H02H3/20 , G02F1/13357 , G09G3/34 , H05B45/50 , G02F1/1335
Abstract: A method for driving a backlight module, a driving device and a display apparatus are provided. The backlight module is divided into a plurality of light-emitting areas, each of the light-emitting areas including a plurality of lines of point sources, and the driving device includes a controller and a driving component, the driving component is connected to the controller and is configured to output a time series of voltage signal to the controller, and the controller is connected to all the plurality of lines of point sources in each of the light-emitting areas and is configured to drive the lines of point sources in the light-emitting area to emit light respectively at different periods based on the time series of voltage signal.
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Patent Agency Ranking
公开(公告)号：US20250095543A1
公开(公告)日：2025-03-20
申请号：US18293352
申请日：2022-12-23
Inventor： Bao Fu , Zhitao Zhang , Qibing Gu , Changhao Wang , Xiuling Li , Lingyun Shi , Xue Dong , Hao Zhou , Lili Jia
IPC: G09G3/32
Abstract: A light emitting module includes: a light emitting element array provided on a first substrate, including a plurality of light emitting elements arranged in an array in a row direction and a column direction, each of which includes a first electrode and a second electrode, wherein a driving current of the light emitting element is greater than or equal to 1 mA; and a plurality of row driving chips and a plurality of column driving chips provided on the first substrate. At least one row driving chip and at least one column driving chip are spaced apart in the row direction and the column direction. At least one row driving chip and at least one column driving chip are respectively electrically connected to the first electrodes of at least one row of light emitting elements and the second electrodes of at least one column of light emitting elements.
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公开(公告)号：US12142197B2
公开(公告)日：2024-11-12
申请号：US18271674
申请日：2021-12-30
Inventor： Qibing Gu , Guofeng Hu , Xiuling Li , Bao Fu , Jiayi Li , Xiurong Wang , Yicheng Lin , Lingyun Shi
IPC: G09G3/32
Abstract: Disclosed are a display panel and a display apparatus, wherein the display panel includes a plurality of first signal lines extending along a first direction and a plurality of pixel units arranged in an array in the first direction and a second direction; at least one pixel unit among the plurality of pixel units includes a component group and a drive chip configured to drive the component group to emit light; the component group includes K light emitting elements, and the drive chip includes K signal channel terminals, K is a positive integer greater than or equal to 2; for a pixel unit in a j-th row and an i-th column, cathodes of the K light emitting elements are electrically connected with an i-th first signal line, and an anode of an s-th light emitting element is electrically connected with an s-th signal channel terminal of the drive chip.
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公开(公告)号：US12073771B2
公开(公告)日：2024-08-27
申请号：US17290414
申请日：2020-09-18
Inventor： Guofeng Hu , Qibing Gu , Lingyun Shi , Ming Chen , Xiurong Wang , Wei Hao , Tao Yang , Hong Liu , Mingjian Yu , Donghui Wang , Jing Xue , Yong Zhang , Jian Wang , Jian Lin , Xianglei Qin , Zhichao Yang , Zepeng Sun , Honggui Jin , Yashuai An , Zhilong Duan , Lingfang Nie , Liangzhen Tang , Limin Zhang
CPC classification number: G09G3/32 , G09G3/3426 , G09G2300/0426 , G09G2310/0286 , G09G2310/08 , G09G2330/021
Abstract: A display panel and a driving method thereof, and a display device. The display panel includes a substrate and a plurality of pixel circuits arranged in an array on the substrate, each of the plurality of pixel circuits includes a pixel driving chip and at least one light-emitting element electrically connected to the pixel driving chip, and the pixel driving chip is configured to receive and store a data signal and drive the at least one light-emitting element to emit light according to the data signal.
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公开(公告)号：US20220309997A1
公开(公告)日：2022-09-29
申请号：US17290414
申请日：2020-09-18
Inventor： Guofeng Hu , Qibing Gu , Lingyun Shi , Ming Chen , Xiurong Wang , Wei Hao , Tao Yang , Hong Liu , Mingjian Yu , Donghui Wang , Jing Xue , Yong Zhang , Jian Wang , Jian Lin , Xianglei Qin , Zhichao Yang , Zepeng Sun , Honggui Jin , Yashuai An , Zhilong Duan , Lingfang Nie , Liangzhen Tang , Limin Zhang
Abstract: A display panel and a driving method thereof, and a display device. The display panel includes a substrate and a plurality of pixel circuits arranged in an array on the substrate, each of the plurality of pixel circuits includes a pixel driving chip and at least one light-emitting element electrically connected to the pixel driving chip, and the pixel driving chip is configured to receive and store a data signal and drive the at least one light-emitting element to emit light according to the data signal.
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公开(公告)号：US11205372B2
公开(公告)日：2021-12-21
申请号：US16960574
申请日：2019-09-23
Inventor： Yan Yang , Chinghua Hung , Rui Liu , Wei Sun , Ming Chen , Qibing Gu , Xiangyi Chen
IPC: G09G3/20
Abstract: A source driving circuit includes a buffer amplifier configured to generate a driving signal from an original driving signal. The buffer amplifier includes a first amplifier and a second amplifier. A high-level terminal of the first amplifier is coupled to the first power signal terminal, a low-level terminal is coupled to the second power signal terminal, and an output terminal is configured to output a positive polarity driving signal. A high-level terminal of the second amplifier is coupled to the third power signal terminal, a low-level terminal is coupled to the fourth power signal terminal, and an output terminal is configured to output a negative polarity driving signal. The voltage of the second power signal terminal is less than the voltage of the third power signal terminal.
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