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公开(公告)号：US12100337B2
公开(公告)日：2024-09-24
申请号：US17427583
申请日：2021-06-03
Inventor： Jinfeng Liu
IPC: G09G3/32
CPC classification number: G09G3/32 , G09G2320/0626
Abstract: A driving circuit and a panel are provided. In the driving circuit, a current mirror module is configured to output different currents according to different control signals, a dimming module is connected to the current mirror module and configured to amplify the currents to generate driving currents, and a light emitting device is connected to the dimming module and correspondingly emits light with different brightness according to different driving currents.
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12.发明授权公开(公告)号：US12008938B2
公开(公告)日：2024-06-11
申请号：US17607844
申请日：2021-09-27
Inventor： Jinfeng Liu
IPC: G09G3/20
CPC classification number: G09G3/20 , G09G2310/0275 , G09G2310/08 , G09G2330/06
Abstract: A display device is provided. The display device includes a clock control chip configured to transmit display signals and a data driving chip connected to the clock control chip. The data driving chip is configured to adjust a phase of the clock signal output by the data driving chip based on the display signal.
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公开(公告)号：US11935450B2
公开(公告)日：2024-03-19
申请号：US17438429
申请日：2021-08-19
Inventor： Jinfeng Liu
IPC: G09G3/20
CPC classification number: G09G3/20 , G09G2310/0267 , G09G2320/0233 , G09G2320/0626 , G09G2330/021
Abstract: A display panel and a display device are provided. The display panel includes a display unit, the display unit includes a plurality of light emitting modules, and a driving circuit electrically connected to the display unit and drives the display unit to display. The driving circuit includes a first circuit module and a second circuit module, the second circuit module is electrically connected to the first circuit module and the display unit, respectively.
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公开(公告)号：US20240038139A1
公开(公告)日：2024-02-01
申请号：US17427583
申请日：2021-06-03
Inventor： Jinfeng Liu
IPC: G09G3/32
CPC classification number: G09G3/32 , G09G2320/0626
Abstract: A driving circuit and a panel are provided. In the driving circuit, a current mirror module is configured to output different currents according to different control signals, a dimming module is connected to the current mirror module and configured to amplify the currents to generate driving currents, and a light emitting device is connected to the dimming module and correspondingly emits light with different brightness according to different driving currents.
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公开(公告)号：US20240036392A1
公开(公告)日：2024-02-01
申请号：US17622781
申请日：2021-12-10
Inventor： Jinfeng Liu , Youngil Ban , Jianfeng Xiao
IPC: G02F1/13357 , G09G3/34 , G09G3/32
CPC classification number: G02F1/133603 , G09G3/3406 , G09G3/32
Abstract: A backlight driving circuit and a display device are provided. The backlight driving circuit includes a light-emitting unit, a detection module, a power supply chip, and a voltage regulating module. The detection module receives a preset voltage and is electrically connected to a second electrode of the light-emitting unit to output a control voltage. The power supply chip is configured to output a reference voltage. The voltage regulating module receives the control voltage and the reference voltage, and is electrically connected to a first electrode of the light-emitting unit and a ground terminal to output a power supply voltage to the first electrode of the light-emitting unit.
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Patent Agency Ranking
公开(公告)号：US20240029619A1
公开(公告)日：2024-01-25
申请号：US17607848
申请日：2021-09-15
Inventor： Jinfeng Liu
IPC: G09G3/20
CPC classification number: G09G3/2092 , G09G2330/06 , G09G2310/08
Abstract: The present application provides a display device driving control circuit assembly and a display device. In the present application, a frequency of the first timing control clock of the first timing controller and a frequency of the second timing control clock of the second timing controller are different, as a result, a radiation intensity generated by the first timing controller and the second timing controller during operation is greatly reduced, thereby greatly reducing an intensity of electromagnetic compatibility.
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公开(公告)号：US11783791B2
公开(公告)日：2023-10-10
申请号：US17280199
申请日：2021-03-16
Inventor： Jinfeng Liu
CPC classification number: G09G3/36 , G02F1/13306 , G02F2201/50 , G09G2330/021 , G09G2330/04
Abstract: A panel driving circuit and a display device are provided. The panel driving circuit includes a control board and a plurality of driving modules. A plurality of first connectors and a plurality of first oblique-insertion-proof protection circuits are disposed on the control board. Each of the driving modules includes a driving circuit board and a plurality of driving chips. The driving circuit board is connected to the plurality of driving chips. A second connector and a second oblique-insertion-proof protection circuit are disposed on each of the driving circuit boards. Irreversible damage to displays caused by improper wiring insertion can be prevented.
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公开(公告)号：US11735102B2
公开(公告)日：2023-08-22
申请号：US17424182
申请日：2021-05-31
Inventor： Jinfeng Liu
IPC: G09G3/32
CPC classification number: G09G3/32 , G09G2310/0278 , G09G2330/045
Abstract: A driving circuit and a display device are provided. The driving circuit includes a level conversion chip, a scan line, a data line, a power line, a first transistor, a second transistor, and a light emitting unit. A protection unit is disposed between the level conversion chip and an intersection of the scan line and the power line, and the protection unit is configured to reduce current between the level conversion chip and the power line when the scan line and the power line are short-circuited. In the embodiment of the present disclosure, when the scan line and the power line are short-circuited, the protection unit reduces the current between the power line and the level conversion chip to prevent excessive current between the level conversion chip and the power line, and prevent the level conversion chip from heating and burning.
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公开(公告)号：US11545072B2
公开(公告)日：2023-01-03
申请号：US17600152
申请日：2021-06-21
Applicant: HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY CO., LTD. , TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
Inventor： Jinfeng Liu , Qingsheng Lan
IPC: G09G3/20
Abstract: A driving device of a display panel and a display device are provided. A source driver expands display data of a low-resolution image to be displayed in a first working mode, and cooperates with the source driver to receive and processes display data of a high-resolution display image in a second working mode, which makes the driving device of the display panel has good compatibility.
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公开(公告)号：US20250046266A1
公开(公告)日：2025-02-06
申请号：US17290736
申请日：2021-04-16
Inventor： Jinfeng Liu
IPC: G09G3/36
Abstract: A source driver chip and a display device are disclosed. The source driver chip includes an OR logic arithmetic unit, a clock buffer, a shift register, and an AND logic arithmetic unit. An OR logic operation is performed on a line latch signal and a first output data delay control enabling signal to obtain a second output data delay control enabling signal, and an AND logic operation is performed on an initial line latch sub-signals and the second output data delay control enabling signal, such that electrostatic interference of the line latch signal can be reduced.
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