公开(公告)号：US11586332B2

公开(公告)日：2023-02-21

申请号：US17377277

申请日：2021-07-15

Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.

Inventor： Feng Lu

IPC: G06F3/044

Abstract: A touch display panel, a method for driving the same and a touch display device are provided. The touch display panel includes a substrate, and a light-emitting array layer, a packaging layer, a first electrode layer and a color resistor layer successively arranged on the substrate. The first electrode layer includes multiple first touch electrodes. The packaging layer includes a first sub-packaging layer and a second sub-packaging layer which are successively arranged in a direction away from the substrate and between which an auxiliary electrode is arranged. Projection of the first touch electrode is at least partially overlapped with projection of the auxiliary electrode in a direction perpendicular to the substrate. In touch charging stage, the first touch electrode is applied with a first driving signal, the auxiliary electrode is applied with a second driving signal, and the second driving signal and the first driving signal are synchronous.

公开(公告)号：US11576285B2

公开(公告)日：2023-02-07

申请号：US17349477

申请日：2021-06-16

Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.

Inventor： Hebing Feng

IPC: H05K7/20

Abstract: A heat dissipation device, a heat dissipating method, and a terminal are described. In an embodiment, the heat dissipation device, a heat dissipating method, and a terminal are configured to correspondingly form at least one ventilation wall that is configured to dissipate heat on different heat source positions of the terminal, and form a flow path of the heat dissipation airflow generated by the at least one ventilation wall, based on different heat source positions of the terminal in different applications. In an embodiment, the entire heat dissipation of the terminal can be achieved by the flexible and variable flow path to provide a good user experience.

公开(公告)号：US11527585B2

公开(公告)日：2022-12-13

申请号：US17164427

申请日：2021-02-01

Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.

Inventor： Qing Zhang ,  Feng Lu ,  Yang Zeng ,  Qijun Yao

IPC: H01L27/32 ,  H01L51/00 ,  H01L51/52 ,  H01L51/56 ,  G06F3/041 ,  G06F3/044

Abstract: Provided are a display panel, a preparation method thereof and a display device. The display panel includes a light-emitting substrate and a color filter substrate; the color filter substrate includes: a substrate, a baffle wall layer and a reflective metal layer. The baffle wall layer is located on one side of the substrate and includes multiple baffle wall structures; the reflective metal layer includes a first reflective subsection covering a surface on a side, close to the light-emitting substrate, of the multiple baffle wall structures; the first reflective subsection includes multiple first metal subsections and multiple second metal subsections; and the multiple first metal subsections are independently disposed, and adjacent ones of the multiple second metal subsections along the first direction are connected to each other.

公开(公告)号：US11522039B2

公开(公告)日：2022-12-06

申请号：US17097042

申请日：2020-11-13

Applicant: Xiamen Tianma Micro-Electronics Co.,Ltd.

Inventor： Yingteng Zhai

IPC: H01L27/32 ,  G06F3/041 ,  G06F3/044 ,  H01L51/00

Abstract: A stretchable display panel and a display device are provided in the present disclosure. The stretchable display panel includes a plurality of display islands arranged in an array and a plurality of stretch bridges each connecting to two adjacent display islands, and further includes a display function layer and a touch control electrode layer. The display function layer and the touch control electrode layer are both disposed on a display island of the plurality of display islands; and an orthographic projection of the touch control electrode layer on the display island at least partially surrounds an orthographic projection of the display function layer on the display island.

公开(公告)号：US11508284B2

公开(公告)日：2022-11-22

申请号：US16916162

申请日：2020-06-30

Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.

Inventor： Yang Yang ,  Bojia Lv ,  Xiangzi Kong

IPC: G09G3/00 ,  G09G3/20

Abstract: Disclosed are a grayscale compensation method and apparatus, and a display device. The grayscale compensation method includes obtaining a basic grayscale of each compensation device; obtaining an equivalent lighting duration of the each compensation device, where the equivalent lighting duration is a duration of lighting the compensation device with a preset grayscale obtained by converting an actual lighting duration of the compensation device; if the equivalent duration reaches a preset time point, obtaining a grayscale compensation parameter corresponding to the compensation device by searching a table according to the preset time point and the basic grayscale, and performing grayscale compensation on a sub-pixel in the compensation device according to the grayscale compensation parameter and the basic grayscale.

公开(公告)号：US20220366837A1

公开(公告)日：2022-11-17

申请号：US17631472

申请日：2021-01-18

Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.

Inventor： Zongjun ZOU ,  Ying SUN ,  Yumin XU

IPC: G09G3/32 ,  G09G3/00

Abstract: Provided are a display panel, a detection method thereof and a display device. A scan driving circuit, signal pins and a first gating circuit are disposed in the display panel. Signal pins include a detection signal pin and an enable signal pin. The scan driving circuit includes scan drive units disposed in a cascade manner. The first gating circuit includes a first switch unit and a second switch unit. An input terminal of the first switch unit is electrically connected to a scan signal detection terminal of an Nth-stage scan drive unit. An input terminal of the second switch unit is electrically connected to a scan signal detection terminal of a first-stage scan drive unit. An output terminal of the first switch unit and an output terminal of the second switch unit are both electrically connected to the detection signal pin. The first switch unit is configured to turn on in a forward scan detection stage and turn off in a backward scan detection stage. The second switch unit is configured to turn on in the backward scan detection stage and turn off in the backward scan detection stage.

公开(公告)号：US20220358883A1

公开(公告)日：2022-11-10

申请号：US17873466

申请日：2022-07-26

Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.

Inventor： Jieliang LI ,  Gaojun HUANG

IPC: G09G3/3233

Abstract: Provided is a display panel. The display panel includes a pixel driving circuit which including a drive transistor, a data write module, a light emission control module, a threshold compensation module and a bias adjustment module. The control terminal of the drive transistor is connected to the first node. The first terminal of the drive transistor is connected to a third node. The second terminal of the drive transistor is connected to a second node. The light emission control module is connected in series with the drive transistor and connected in series with a light-emitting element. The threshold compensation module is connected in series between the control terminal of the drive transistor and the second terminal of the drive transistor. The first terminal of the bias adjustment module is connected to a bias signal terminal and the second terminal is connected to the second terminal of the drive transistor.

公开(公告)号：US11488561B2

公开(公告)日：2022-11-01

申请号：US17006665

申请日：2020-08-28

Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.

Inventor： Yahui Xie ,  Guochang Lai ,  Zhijie Wang ,  Jian Liu

IPC: G09G3/36

Abstract: Provided are a demultiplexer circuit, an array substrate, a display panel and device, and a driving method. The demultiplexer circuit includes multiple demultiplexers, each demultiplexer includes at least two switching transistor groups, and each switching transistor group includes at least two switching transistors. Sources of the at least two switching transistors in a same switching transistor group are electrically connected to each other, drains of the at least two switching transistors in the same switching transistor group are electrically connected to each other. Input ends of the at least two switching transistor groups in a same demultiplexer are electrically connected to each other. In the same switching transistor group, the common source is electrically connected to the input end, the common drain is electrically connected to the output end, and at least two control ends are electrically connected to gates of the switching transistors in a one-to-one correspondence.

公开(公告)号：US20220343850A1

公开(公告)日：2022-10-27

申请号：US17859310

申请日：2022-07-07

Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.

Inventor： Jieliang LI ,  Ming YANG

IPC: G09G3/3233 ,  G09G3/3266

Abstract: Provided are a method for driving a display panel and a display device. In the method for driving a display panel, at least one picture update period includes a data write stage, a data retention stage, and a data compensation stage; at least one of the data compensation stage precedes at least one of the data write stage; at the data compensation stage, a gate scanning signal is provided for and a compensation data voltage is written to a pixel unit; at the data write stage, the gate scanning signal is provided for and the target data voltage is written to the pixel unit, where the compensation data voltage is less than the target data voltage; and at the data retention stage, no data voltage is written to the pixel unit.

公开(公告)号：US20220335874A1

公开(公告)日：2022-10-20

申请号：US17856568

申请日：2022-07-01

Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.

Inventor： Qingjun LAI ,  Yihua ZHU

IPC: G09G3/20

Abstract: A display panel and a display device are provided. The display panel includes a driving circuit. The driving circuit includes N-level shift registers cascaded with each other, where N is greater than or equal to two. the display panel further includes a first voltage signal line, providing a first voltage signal for the driving circuit; a second voltage signal line, providing a second voltage signal for the driving circuit; a third voltage signal line, providing a third voltage signal for the driving circuit; and a fourth voltage signal line, providing a fourth voltage signal for the driving circuit. At least one of the third voltage signal line and the fourth voltage signal line is disposed on a side of at least one of the first voltage signal line and the second voltage signal line facing toward a display region of the display panel.