公开(公告)号：US20240296774A1

公开(公告)日：2024-09-05

申请号：US18195206

申请日：2023-05-09

Applicant: Xiamen Tianma Display Technology Co., Ltd.

Inventor： Chen ZHONG ,  Meng LAI ,  Qiang CHEN ,  Jiajing LI ,  Jingxiong ZHOU ,  Ying SUN ,  Liujing FAN ,  Zhiqiang XIA

IPC: G09G3/20

CPC classification number: G09G3/2074 ,  G09G2320/0233 ,  G09G2320/0626 ,  G09G2340/00

Abstract: A brightness adjustment method and a brightness adjustment device of a display panel and a display device are provided. The brightness adjustment method of the display panel including a plurality of sub-pixels includes acquiring grayscale data received by the display panel; performing a data processing process on the grayscale data and at least inserting a plurality of transitional grayscales between a 0-order grayscale and a 1st-order grayscale to form target grayscale data; and adjusting the brightness of the plurality of sub-pixels based on the target grayscale data.

公开(公告)号：US20240233636A9

公开(公告)日：2024-07-11

申请号：US18096033

申请日：2023-01-12

Applicant: Xiamen Tianma Display Technology Co., Ltd.

Inventor： Qingyue ZHANG ,  Xiaoyong LIU ,  Zhida ZHU ,  Jingxiong ZHOU ,  Zhiqiang XIA

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/0842 ,  G09G2310/0202 ,  G09G2310/08 ,  G09G2320/0233 ,  G09G2320/045

Abstract: The present application discloses a display panel and a display device. The display panel comprises pixel circuits, collecting modules and feedback modules, and the pixel circuit comprises a driving module, a data writing module and a light-emitting module; wherein the data writing module is configured to transmit a voltage output by a data signal terminal to the driving module; the driving module and the light-emitting module are electrically connected between a first power supply terminal and a second power supply terminal, and the driving module is configured to generate a driving current according to the voltage from the data signal terminal and a voltage from the first power supply terminal to drive the light-emitting module to emit light; the collecting module is configured to collect at least one of a voltage actually received by the driving module and a voltage actually received by the driving module.

公开(公告)号：US20240221611A1

公开(公告)日：2024-07-04

申请号：US18121030

申请日：2023-03-14

Applicant: Xiamen Tianma Display Technology Co., Ltd.

Inventor： Chen ZHONG ,  Meng LAI ,  Qiang CHEN ,  Dipeng LI ,  Jingxiong Zhou ,  Zhiqiang XIA

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/0452 ,  G09G2300/0842 ,  G09G2310/0267 ,  G09G2310/0286 ,  G09G2310/08 ,  G09G2330/021

Abstract: The present application discloses a display panel and a display device. The display panel includes: a plurality of sub-pixels arranged in a plurality of rows and in a plurality of columns, wherein at least one column of the sub-pixels includes sub-pixels of at least two colors; gate drivers at least including a first gate driver and a second gate driver, wherein the first gate driver includes a plurality of first shift register units in a cascaded connection, the second gate driver includes a plurality of second shift register units in a cascaded connection, the first shift register units and the second shift register units are electrically connected to the sub-pixels in different rows, respectively, and color arrangements of the sub-pixels in adjacent pixel rows in response to a first gate driving signal output by a first gate driver are the same.

公开(公告)号：US20230247813A1

公开(公告)日：2023-08-03

申请号：US17950553

申请日：2022-09-22

Applicant: Xiamen Tianma Display Technology Co., Ltd.

Inventor： Jingxiao FENG ,  Zhiqiang XIA ,  Yan LIN ,  Lilian KUANG

IPC: H05K9/00 ,  B05D1/02 ,  H05K5/03 ,  H05K5/00 ,  C09D171/08 ,  C09D7/61 ,  C09D7/63

CPC classification number: H05K9/0067 ,  B05D1/02 ,  H05K5/03 ,  H05K5/0018 ,  C09D171/08 ,  C09D7/61 ,  C09D7/63 ,  B05D2500/00 ,  B05D2518/00

Abstract: Provided is a composite cover plate including a substrate body, wherein the substrate body includes two surfaces that are arranged opposite, at least one surface is provided with an antistatic film layer; the antistatic film layer includes a perfluoropolyether mixture and a silane coupling agent. Further provided is a method for preparing a composite cover plate, including: providing a substrate body with two surfaces that are arranged opposite, and spraying an antistatic film layer on at least one surface of the substrate body; wherein the antistatic film layer includes a perfluoropolyether mixture and a silane coupling agent. Further provided is a display device including a display module and a composite cover plate covering the surface of the display module, wherein the composite cover plate is any composite cover plate provided herein, an antistatic film layer is arranged on a side of the composite cover plate away from the display module.

公开(公告)号：US20240221574A1

公开(公告)日：2024-07-04

申请号：US18131719

申请日：2023-04-06

Applicant: Xiamen Tianma Display Technology Co., Ltd.

Inventor： Chen ZHONG ,  Meng LAI ,  Qiang CHEN ,  Jingxiong ZHOU ,  Zhiqiang XIA ,  Wenlan LIU ,  Yinzeng LI ,  Ying SUN ,  Liujing FAN

IPC: G09G3/20

CPC classification number: G09G3/2007 ,  G09G3/2096 ,  G09G2320/0233 ,  G09G2320/0626 ,  G09G2320/0673 ,  G09G2320/0686

Abstract: A display panel control method, a display mode of the display panel including a normal display mode and a partial highlight display mode, the control method including obtaining display information of a display area in the display panel in the partial highlight display mode, the display information including a grayscale displayed corresponding to each pixel, and a number of pixels displaying the corresponding grayscale; determining a target gamma curve based on the display information, a difference between a display brightness corresponding to the grayscale in the target gamma curve and a target display brightness required for the pixels to display the corresponding grayscale in the partial highlight display mode being within a predetermined range; and controlling the pixels in the display area to display based on the target gamma curve.

公开(公告)号：US20240135874A1

公开(公告)日：2024-04-25

申请号：US18096033

申请日：2023-01-12

Applicant: Xiamen Tianma Display Technology Co., Ltd.

Inventor： Qingyue ZHANG ,  Xiaoyong LIU ,  Zhida ZHU ,  Jingxiong ZHOU ,  Zhiqiang XIA

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/0842 ,  G09G2310/0202 ,  G09G2310/08 ,  G09G2320/0233 ,  G09G2320/045

Abstract: The present application discloses a display panel and a display device. The display panel comprises pixel circuits, collecting modules and feedback modules, and the pixel circuit comprises a driving module, a data writing module and a light-emitting module; wherein the data writing module is configured to transmit a voltage output by a data signal terminal to the driving module; the driving module and the light-emitting module are electrically connected between a first power supply terminal and a second power supply terminal, and the driving module is configured to generate a driving current according to the voltage from the data signal terminal and a voltage from the first power supply terminal to drive the light-emitting module to emit light; the collecting module is configured to collect at least one of a voltage actually received by the driving module and a voltage actually received by the driving module.

公开(公告)号：US20230145976A1

公开(公告)日：2023-05-11

申请号：US18091796

申请日：2022-12-30

Applicant: Xiamen Tianma Display Technology Co., Ltd.

Inventor： Qiang CHEN ,  Chen ZHONG ,  Meng LAI ,  Wang YU ,  Jingxiong ZHOU ,  Zhiqiang XIA

IPC: G09G3/20

CPC classification number: G09G3/2003 ,  G09G2320/0242 ,  G09G2320/0233

Abstract: Provided are a drive compensation method and system of a display panel and a display device. The drive compensation method includes: determining at least one of the impedance and capacitive reactance variation curve of a first signal line in a column direction and determining the charge rate variation curve of first pixel units in a row direction; determining the compensation coefficients for a respective pixel unit in the column direction and/or the row direction according to the impedance and capacitive reactance variation curve of the first signal line in the column direction and/or the charge rate variation curve of first pixel units in the row direction; and compensating the compensation coefficients for the respective pixel unit in the column direction and/or the row direction to the drive signal of the respective pixel unit to drive the respective pixel unit.