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公开(公告)号：US20210335284A1
公开(公告)日：2021-10-28
申请号：US16969625
申请日：2020-05-12
Inventor： Fuyi WANG , Mingjong JOU , Zhao WANG , Fengcheng XU , Jinfeng LIU
IPC: G09G3/34
Abstract: The present invention provides a backlight partition driving module, a backlight device, and a display device which include a signal input module configured to receive a driving signal, wherein the driving signal includes a brightness data signal, a scanning signal, and a function signal; a signal transmission module transmitting the driving signal; and a selection output module receiving the driving signal and is configured to output the scanning signal to a scanning line or the brightness data signal to a data line under control of the function signal.
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公开(公告)号：US20250125715A1
公开(公告)日：2025-04-17
申请号：US17417923
申请日：2021-05-28
Inventor： Jinfeng LIU
Abstract: The present disclosure provides a voltage conversion circuit and a voltage conversion chip. A problem that an overcurrent protection signal is falsely triggered can be solved by connecting a first diode in series between an output terminal and an input terminal of a voltage conversion module. The present disclosure provides the voltage conversion chip. A negative voltage capability of an output pin of the voltage conversion chip is increased by setting a comparator and a constant voltage source.
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公开(公告)号：US20250069561A1
公开(公告)日：2025-02-27
申请号：US17602795
申请日：2021-07-26
Applicant: Huizhou China Star Optoelectronics Display Co., Ltd. , TCL China Star Optoelectronics Technology Co., Ltd.
Inventor： Fengcheng XU , Jinfeng LIU
Abstract: The present invention provides a driving circuit and a driving method of the driving circuit, which includes a plurality of circuit units each including a first resistor and a second resistor, in which the resistance of the first resistor is less than the resistance of the second resistor, the plurality of circuit units divide a plurality of first reference voltages into a plurality of divided voltages corresponding to a plurality of grayscales, and the divided voltages are provided for the pixel units; and a controller, configured to select the second resistor of a selected circuit unit to be connected when the pixel unit needs to be driven by a second reference voltage.
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公开(公告)号：US20240420658A1
公开(公告)日：2024-12-19
申请号：US18260001
申请日：2023-04-18
Inventor： Youngil BAN , Jinfeng LIU
IPC: G09G3/36
Abstract: The present application discloses a display device. The display device includes a display panel and a driving module. Each grayscale includes a positive polarity voltage and a negative polarity voltage symmetrical with respect to a common voltage. A data line is configured to output corresponding data voltages to each sub-pixel respectively. The driving module includes an adjustment unit. The adjustment unit is configured to increase the voltage values of the positive polarity voltages to obtain the compensated positive polarity voltages. The data voltages are the negative polarity voltages or the compensated positive polarity voltages.
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公开(公告)号：US20240088911A1
公开(公告)日：2024-03-14
申请号：US17294695
申请日：2021-03-31
Inventor： Jinfeng LIU
IPC: H03M7/14
CPC classification number: H03M7/14
Abstract: The present disclosure discloses a data encoding method, a device, and a storage medium. In the present application, by acquiring a first data stream that does not meet a preset standard and recording the first data stream as a data stream to be assigned, performing an arithmetic operation on the first data stream in the data stream to be assigned to generate a second data stream that meets the preset standard, and adding a third preset number of data bits to the data stream that meets the preset standard to obtain the second data stream, the data stream that meets the preset standard can be screened out, and only the data stream that does not meet the preset standard is encoded, which reduces complexity of data calculation and improves efficiency of data transmission.
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Patent Agency Ranking
公开(公告)号：US20240021119A1
公开(公告)日：2024-01-18
申请号：US17438429
申请日：2021-08-19
Inventor： Jinfeng LIU
IPC: G09G3/20
CPC classification number: G09G3/20 , G09G2310/0267 , G09G2330/021 , G09G2320/0233 , G09G2320/0626
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：US20230362394A1
公开(公告)日：2023-11-09
申请号：US17428302
申请日：2021-05-28
Inventor： Jinfeng LIU
IPC: H04N19/182 , H04N19/186
CPC classification number: H04N19/186 , H04N19/182
Abstract: An image compression method includes: obtaining a grayscale pixel information of an original image, wherein the grayscale pixel information comprises a plurality of sub-grayscale pixel information; scanning the plurality of sub-grayscale pixel information according to a preset first scanning sequence to obtain a first target grayscale pixel information; dividing the first target grayscale pixel information into a plurality of first grayscale areas according to a preset first grayscale difference threshold to generate a first area information; and compressing the sub-grayscale pixel information of each first grayscale area according to the first minimum grayscale pixel value, the first area label, and the plurality of sub-grayscale pixel information, to obtain a first compressed data of the original image. An image compression device, a computer device, and a computer readable storage medium are also provided.
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公开(公告)号：US20230137683A1
公开(公告)日：2023-05-04
申请号：US17294842
申请日：2021-04-28
Inventor： Jinfeng LIU
IPC: H01L23/498 , H01L23/538 , H10K59/82 , G02F1/1345 , H01L23/13
Abstract: A chip on film assembly, a display panel, and a display module are disclosed. The chip on film assembly includes a substrate, an input terminal disposed on a first end of the substrate, a plurality of output terminals disposed on a second end of the substrate, wherein the second end is opposite to the first end, and a plurality of driving chips disposed on a surface of the substrate. The driving chips are electrically connected to the input terminal and are electrically connected to the output terminals by one to one, so space utilization of chip on films (COFs) can be improved, and a problem of insufficient COF bonding spaces for high-resolution products can be solved.
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公开(公告)号：US20230134309A1
公开(公告)日：2023-05-04
申请号：US17430404
申请日：2021-05-31
Inventor： Jinfeng LIU
IPC: G03H1/00 , G02F1/1335 , G02B27/00 , G03H1/22
Abstract: A holographic display method and a holographic display system are provided. The holographic display method includes: obtaining target scene information; recognizing human face area information of the target scene information; confirming a pupil position of the human face area information; calculating a lateral viewing angle between each pixel area and each pupil position in a display panel and a driving voltage value of each pixel area at the lateral viewing angle corresponding to each pixel area; and applying the driving voltage value to the corresponding pixel area.
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公开(公告)号：US20230130697A1
公开(公告)日：2023-04-27
申请号：US17281633
申请日：2021-03-30
Inventor： Jinfeng LIU
Abstract: The present disclosure provides a backlight driving circuit and a liquid crystal display device. The backlight driving circuit according to an embodiment of the present application adds a first transistor and a reset signal. The on-off of the second transistor is controlled by the scan signal to charge the storage capacitor, and the on-off of the first transistor is controlled by the reset signal to release the charge in the storage capacitor. The backlight driving circuit of the application can realize the backlight lighting individually row by row and improve the problem of display motion streak effect.
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