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公开(公告)号：US11587506B2
公开(公告)日：2023-02-21
申请号：US17259594
申请日：2020-03-30
发明人： Hong Liu , Qibing Gu , Lingyun Shi , Ming Chen , Xiurong Wang , Guofeng Hu , Mingjian Yu , Donghui Wang
IPC分类号： G09G3/3233
摘要： Pixel structure, driving method thereof and display device are disclosed. The pixel structure includes: light-emitting device having first electrode coupled to corresponding first voltage line. Driving chip includes: receiving circuit configured to decode first digital clock signal on first control line in display phase to obtain first address data and light emission data; address storage circuit configured to store reference address data before the display phase; data processing circuit configured to output PWM signal and current control signal corresponding to each light-emitting device according to the light emission data when the first address data is the same as the reference address data; current output circuit configured to output driving current according to the current control signal; and gating circuit configured to sequentially receive the PWM signal corresponding to each light-emitting device and transmit the driving current to the output terminal when the PWM signal is in active-level state.
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公开(公告)号：US11322076B2
公开(公告)日：2022-05-03
申请号：US17418585
申请日：2020-10-21
发明人： Lingyun Shi , Wenchieh Huang , Ming Chen , Xue Dong , Haiwei Sun , Xiurong Wang , Qibing Gu , Guofeng Hu
IPC分类号： G09G3/32
摘要： A pixel driving chip and a driving method therefor, and a display apparatus. The pixel driving chip includes a data input circuit, a time selection circuit, and a current control circuit; the data input circuit is configured to receive display data, and partition the display data to obtain a data partition to which the display data belongs in M data partitions that are obtained on the basis of a display data range; the time selection circuit is configured to determine, according to the data partition to which the display data belongs, an output time length corresponding to the display data, and within the output time length, output the display data to the current control circuit; the current control circuit is configured to determine, according to the display data, a driving current flowing through a light emitting element corresponding to the display data.
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公开(公告)号：US12046590B2
公开(公告)日：2024-07-23
申请号：US17422750
申请日：2021-01-28
发明人： Qibing Gu , Guofeng Hu , Xiurong Wang , Jing Xue , Lingyun Shi , Ming Chen
CPC分类号： H01L25/167 , G09G3/32 , G09G2300/0452
摘要： Provided is a pixel structure, a display panel, and a display device. The pixel structure includes three sub-pixel units of different colors and a driving unit. The three sub-pixel units include a first sub-pixel unit, a second sub-pixel unit, and a third sub-pixel unit. The driving unit is configured to send corresponding display data to the three sub-pixel units respectively. The sub-pixel units are arranged on one side or two sides of the driving unit.
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公开(公告)号：US11380271B2
公开(公告)日：2022-07-05
申请号：US16772226
申请日：2019-07-31
摘要： Disclosed are a backlight driving method, a display driving method, a drive device and a display device. The backlight driving method includes: receiving a frame of backlight data, wherein the frame of backlight data includes a plurality of first control signals which are respectively applied to the plurality of switching channels and serve as the switching control signals, and a plurality of second control signal groups respectively corresponding to the plurality of first control signals, each of the plurality of second control signal groups includes a plurality of second control signals which are respectively applied to the plurality of output channels and serve as the output control signals, and the plurality of first control signals are modulated non-constant width pulse signals respectively; and driving the backlight unit to emit light by using the plurality of first control signals and the plurality of second control signal groups.
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公开(公告)号：US12073763B2
公开(公告)日：2024-08-27
申请号：US18245040
申请日：2022-05-23
发明人： Qibing Gu , Guofeng Hu , Xiuling Li , Bao Fu , Wenchieh Huang , Lingyun Shi , Ming Chen
CPC分类号： G09G3/2092 , G09G3/32 , H01L25/167 , H01L27/124 , G09G2300/0408 , G09G2310/08 , G09G2320/064 , G09G2330/021
摘要： A pixel unit includes N light-emitting devices and a pixel driving chip. The pixel driving chip includes: a data signal terminal used to receive a data signal; a power supply signal terminal used to receive a power supply signal; and N signal channel terminals being in one-to-one correspondence with the N light-emitting devices. A first electrode of a first light-emitting device in the N light-emitting devices is configured to be coupled to the power supply signal terminal, a second electrode of an n-th light-emitting device in the N light-emitting devices is coupled to a first electrode of an (n+1)-th light-emitting device and an n-th signal channel terminal in the N signal channel terminals; N is a positive integer greater than 1, and n is a positive integer greater than or equal to 1 and less than or equal to N.
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公开(公告)号：US12062327B2
公开(公告)日：2024-08-13
申请号：US18044664
申请日：2021-01-08
发明人： Xiuling Li , Qibing Gu , Guofeng Hu , Hongge Mei , Nana Gao , Bao Fu , Xiangyi Chen , Lingyun Shi , Wenchieh Huang
IPC分类号： G09G3/32
CPC分类号： G09G3/32 , G09G2300/0452 , G09G2310/0202 , G09G2310/08
摘要： An array substrate and a driving method therefor, and a display apparatus are disclosed. The array substrate includes: a base substrate; and a plurality of pixels located on the base substrate, where the plurality of pixels are arranged in an array in a first direction and a second direction. At least one pixel of the plurality of pixels includes: sub-pixels, and a pixel driving chip for driving each sub-pixel in the pixel. The array substrate further includes: a plurality of addressing signal lines located on the base substrate, where the addressing signal lines are coupled to addressing signal ends of pixel driving chips of a row of the pixels arranged in the first direction; and a plurality of data lines located on the base substrate, where the data lines are coupled to data signal ends of pixel driving chips of a column of the pixels arranged in the second direction.
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公开(公告)号：US11727861B2
公开(公告)日：2023-08-15
申请号：US17431182
申请日：2021-02-07
发明人： Xiurong Wang , Wei Hao , Lingyun Shi , Qibing Gu , Guofeng Hu , Tao Yang , Mengmeng Wang , Wenhao Liu
CPC分类号： G09G3/32 , G09G3/2074 , G09G2300/0408 , G09G2300/0426 , G09G2300/0443 , G09G2300/0452 , G09G2300/0804 , G09G2310/0208 , G09G2310/0278
摘要： Provided are a pixel drive circuit, a drive circuit of a display panel, and a display apparatus. The pixel drive circuit includes a switch unit and a drive unit, the switch unit is connected to the drive unit, and the drive unit is configured to be connected to a plurality of sub-pixel units; the switch unit is configured to receive a scan signal and a data signal, be switched on under action of the scan signal, and send the data signal to the drive unit; and the drive unit is configured to send the data signal to the plurality of sub-pixel units connected thereto in a time division manner.
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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
发明人： 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分类号： G09G3/32 , G09G3/3426 , G09G2300/0426 , G09G2310/0286 , G09G2310/08 , G09G2330/021
摘要： 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
发明人： 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
摘要： 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
发明人： Yan Yang , Chinghua Hung , Rui Liu , Wei Sun , Ming Chen , Qibing Gu , Xiangyi Chen
IPC分类号： G09G3/20
摘要： 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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