公开(公告)号：US11043154B1

公开(公告)日：2021-06-22

申请号：US16627303

申请日：2019-12-16

Applicant: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.

Inventor： Fengcheng Xu ,  Dan Cao ,  Mingjong Jou

IPC: G09G5/00 ,  G09G3/20 ,  G09G5/18

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.

公开(公告)号：US11978408B2

公开(公告)日：2024-05-07

申请号：US16960556

申请日：2020-06-05

Applicant: TCL China Star Optoelectronics Technology Co., Ltd.

Inventor： Fuyi Wang ,  Fengcheng Xu ,  Qingsheng Lan ,  Jinfeng Liu

IPC: G09G3/34 ,  G09G3/20 ,  G09G3/36

CPC classification number: G09G3/342 ,  G09G3/2022 ,  G09G3/36 ,  G09G2320/064

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.

公开(公告)号：US11830452B2

公开(公告)日：2023-11-28

申请号：US17600209

申请日：2021-09-09

Applicant: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.

Inventor： Jinfeng Liu ,  Fengcheng Xu

IPC: G09G3/36

CPC classification number: G09G3/3648 ,  G09G3/3677 ,  G09G3/3688 ,  G09G2310/0286 ,  G09G2310/0291 ,  G09G2310/08 ,  G09G2320/0233

Abstract: A display panel, a display panel driving method, and an electronic device are provided. The electronic device includes a display panel. The display panel includes a display region, source drive circuits, and a gate drive circuit. The display region includes a plurality of sub-pixels. By reducing the charging time of the sub-pixels close to the gate drive circuit and increasing the charging time of the sub-pixels away from the gate drive circuit, the voltage difference between the sub-pixels in different regions is reduced, thereby solving the problem of uneven brightness of the display panel.

公开(公告)号：US11259384B2

公开(公告)日：2022-02-22

申请号：US16769863

申请日：2020-05-09

Applicant: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.

Inventor： Fuyi Wang ,  Mingjong Jou ,  Zhao Wang ,  Fengcheng Xu ,  Jinfeng Liu

IPC: G09G3/00 ,  G02F1/13 ,  H05B45/10 ,  H05B45/44 ,  G02F1/13357 ,  G02F1/1335

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.

公开(公告)号：US11942051B2

公开(公告)日：2024-03-26

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

CPC classification number: G09G3/36 ,  G09G2300/0842 ,  G09G2320/0233 ,  G09G2320/0247 ,  G09G2320/0626 ,  G09G2360/16

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.

公开(公告)号：US11250792B2

公开(公告)日：2022-02-15

申请号：US16969625

申请日：2020-05-12

Applicant: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.

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.