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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：US20230094046A1
公开(公告)日：2023-03-30
申请号：US16960556
申请日：2020-06-05
Inventor： Fuyi WANG , Fengcheng XU , Qingsheng LAN , Jinfeng LIU
Abstract: A backlight unit, a control method thereof, and a liquid crystal display device are provided. The control method includes following steps: obtaining backlight data corresponding to each of the partitions, the backlight data including multiple bits of data; dividing a frame of a lighting process of each light-emitting unit of the partitions into a plurality of sub-fields having different durations, wherein each of the sub-fields corresponds to one of the bits of data; and outputting the sub-fields having different durations corresponding to each of the partitions in a preset order.
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公开(公告)号：US20240242687A1
公开(公告)日：2024-07-18
申请号：US17426740
申请日：2021-07-13
Applicant: HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY CO., LTD. , TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
Inventor： Fengcheng XU , Jinfeng LIU
CPC classification number: G09G3/3607 , G09G3/2096 , G09G3/3648 , G09G2310/0251 , G09G2320/0233 , G09G2320/0673
Abstract: A display device includes a display unit and a driving circuit. The display unit includes a plurality of display regions. The driving circuit is configured to drive the display unit. The driving circuit includes a drive module. The drive module includes algorithms which are respectively correspond to the plurality of display regions one to one. A driving method of a display device, and a mobile terminal are also provided.
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Patent Agency Ranking
公开(公告)号：US20210337642A1
公开(公告)日：2021-10-28
申请号：US16769863
申请日：2020-05-09
Inventor： Fuyi WANG , Mingjong JOU , Zhao WANG , Fengcheng XU , Jinfeng LIU
IPC: H05B45/44 , G02F1/13357 , H05B45/10
Abstract: The present invention provides a backlight unit and a control method thereof, and a liquid crystal display device. The control method includes steps as follows: obtaining backlight data corresponding to each partition, wherein the backlight data comprises a plurality of bits of data; dividing the light-emitting unit of each partition into a plurality of subfields with different durations in a light-emitting process during a frame, wherein each subfield corresponds to one bit of data, and any two subfields comprise different numbers of secondary subfields; and outputting the plurality of subfields in a preset order.
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公开(公告)号：US20210166596A1
公开(公告)日：2021-06-03
申请号：US16627303
申请日：2019-12-16
Inventor： Fengcheng XU , Dan CAO , Mingjong JOU
Abstract: A signal processing method of a display panel and a device using same are provided. The method includes obtaining a bit error rate of each adjusted data to obtain multiple initial bit error rates; and selecting one of the initial bit error rates from the multiple initial bit error rates. The bit error rate is used as a feedback bit error rate; when the feedback bit error rate falls within a preset range, a current pre-emphasis coefficient is used as a target pre-emphasis coefficient, and a video signal is compensated according to the target pre-emphasis coefficient.
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公开(公告)号：US20240013745A1
公开(公告)日：2024-01-11
申请号：US17417434
申请日：2021-05-20
Inventor： Jhenwei HE , Jinfeng LIU , Fengcheng XU
IPC: G09G3/36
CPC classification number: G09G3/3688 , G09G3/3696 , G09G2330/021 , G09G2320/028 , G09G2320/0673 , G09G2320/0276 , G09G2310/0291 , G09G2310/08
Abstract: A display panel and a display device are provided. The display panel includes a power management module and a voltage conversion module electrically connected between the power management module and a plurality of data lines to convert a plurality of groups of grayscale voltages from a plurality of groups of gamma binding-point voltages generated from the power management module and transmit the grayscale voltages to the plurality of data lines, which allows two adjacent data lines to receive different grayscale voltages, thereby allowing liquid crystal molecules to deflect more in the display panel to remedy a problem of color shift of viewing angles.
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公开(公告)号：US20220392416A1
公开(公告)日：2022-12-08
申请号：US17424552
申请日：2021-04-30
Applicant: Huizhou China Star Optoelectronics Display Co., Ltd. , TCL China Star Optoelectronics Technology Co., Ltd.
Inventor： Fengcheng XU , Jinfeng LIU
IPC: G09G3/36
Abstract: A display panel, a control method thereof, and a storage medium are provided. The method includes acquiring a first actual brightness parameter and a first reference brightness parameter at a first position; determining a first compensated brightness parameter at the first position according to the first reference brightness parameter and the first actual brightness parameter if the absolute value of the difference between the first reference brightness parameter and the first actual brightness parameter is not less than a first threshold; and determining a first target brightness parameter at the first position according to the first compensated brightness parameter and a first preset brightness parameter at the first position.
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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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