公开(公告)号：US12008976B2

公开(公告)日：2024-06-11

申请号：US17881121

申请日：2022-08-04

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

Inventor： Peng Zhang ,  Xinzhao Liu

IPC: G09G3/36

CPC classification number: G09G3/3692 ,  G09G3/3659

Abstract: A display panel and driving method, and a display device are provided. The display panel includes a display region and a border region. The display region includes a plurality of data lines extending along a first direction. The border region includes a data output circuit, having an output end electrically connected to a data line. The data output circuit includes at least one demultiplexer and 2L first-demultiplexers, where L is a positive integer, and L1. Each demultiplexer group includes a plurality of second-demultiplexers. The plurality of second-demultiplexers share a group of clock signal buses, wherein a portion of the plurality of second-demultiplexers are connected with a portion of the group of clock signal buses, and a remaining portion of the plurality of second-demultiplexers are connected with a remaining portion of the group of clock signal buses.

公开(公告)号：US20240155785A1

公开(公告)日：2024-05-09

申请号：US18122249

申请日：2023-03-16

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

Inventor： Ling WU ,  Chuhui FENG ,  Poping SHEN

IPC: H05K5/02

CPC classification number: H05K5/0217

Abstract: A profiled display panel including a profiled edge, a regular display area, a profiled display area, and a plurality of pixel units, the profiled display area at least partially surrounding the regular display area, the profiled display area including the profiled edge; each pixel unit including a first pixel unit and a second pixel unit, the first pixel unit being located in the profiled display area, the second pixel unit being located in the regular display area, where an orthographic projection area of the first pixel unit on a light-emitting surface of the profiled display panel is S1, and an orthographic projection area of the second pixel unit on the light-emitting surface of the profiled display panel is S2, S1≤S2.

公开(公告)号：US11980068B2

公开(公告)日：2024-05-07

申请号：US17172850

申请日：2021-02-10

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

Inventor： Bingping Liu ,  Junyi Li ,  Guozhao Chen

IPC: H10K59/131 ,  G02F1/1362 ,  H10K59/35 ,  H10K59/65

CPC classification number: H10K59/131 ,  G02F1/136286 ,  H10K59/351 ,  H10K59/352 ,  H10K59/65

Abstract: A display panel and a display device are provided in the present disclosure. The display panel includes a first display region and a second display region which are adjacently arranged. A light transmittance of the first display region is greater than a light transmittance of the second display region. The display panel further includes a plurality of scan lines and a plurality of data lines extending along the second direction. One first sub-pixel row is electrically connected to at least two of the plurality of scan lines. The plurality of data lines includes first data lines, where one of the first data lines is electrically connected to the first sub-pixel column, and at least a part of the first data lines is made of a transparent conductive material. In the first display region, at least two of the first data lines are connected through a connection line.

公开(公告)号：US11980059B2

公开(公告)日：2024-05-07

申请号：US18110157

申请日：2023-02-15

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

Inventor： Yong Yuan

IPC: H10K59/121 ,  H10K50/844 ,  H10K59/12 ,  H10K71/00

CPC classification number: H10K59/1213 ,  H10K50/844 ,  H10K59/1216 ,  H10K71/00 ,  H10K59/1201

Abstract: Provided are an array substrate and a manufacturing method of an array substrate and a display panel and device. The array substrate includes a pixel circuit. The pixel circuit includes a first transistor and a second transistor, the first transistor includes a first active layer, the second transistor includes a second active layer, and the first active layer and the second active layer both include silicon. The array substrate further includes a first-type inorganic layer and a second-type inorganic layer and a first via hole. The first via hole is located above the first active layer and at least penetrates through the second-type inorganic layer. Concentration of hydrogen ions in the first active layer is less than concentration of hydrogen ions in the second active layer.

公开(公告)号：US11972716B2

公开(公告)日：2024-04-30

申请号：US18115500

申请日：2023-02-28

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

Inventor： Yong Yuan

IPC: G09G3/20 ,  G11C19/28

CPC classification number: G09G3/20 ,  G11C19/287 ,  G09G2300/08 ,  G09G2310/0243 ,  G09G2310/0267 ,  G09G2310/0286 ,  G09G2310/08 ,  G09G2320/02

Abstract: Provided are a display panel and display device. The display panel includes a driver circuit comprising a shift register that is N-stage cascaded, wherein N is a number greater than or equal to 2; where the shift register comprises: a third control unit configured to receive a first voltage signal and generate an output signal in response to a signal of a third node, or receive a second voltage signal and generate an output signal in response to a signal of a second node; and a fourth control unit comprising a first capacitor, a first transistor and a second transistor, where a second plate of the first capacitor is connected to a drain of the first transistor, a source of the second transistor is connected to a first node, and a drain of the second transistor is connected to the third node.

公开(公告)号：US11957012B2

公开(公告)日：2024-04-09

申请号：US17235898

申请日：2021-04-20

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

Inventor： Yong Yuan

IPC: H10K59/131 ,  H10K59/124

CPC classification number: H10K59/131 ,  H10K59/124

Abstract: Provided is a display panel, and the display panel includes a base substrate, a first signal line, a planarization layer, a light-emitting element and a pixel spacer layer. The first signal line is disposed on the base substrate, where the first signal line includes a first sub signal line and a second sub signal line which are electrically connected to each other and are disposed in different layers, and the first sub signal line is disposed on one side of the second sub signal line facing toward the base substrate. The planarization layer is disposed on one side of the first signal line facing away from the base substrate. The light-emitting element and the pixel spacer layer are disposed on one side of the planarization layer facing away from the base substrate. The planarization layer includes a first opening.

公开(公告)号：US11927856B2

公开(公告)日：2024-03-12

申请号：US17612571

申请日：2020-06-24

Applicant: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.

Inventor： Ankai Ling ,  Limei Zhou ,  Menglan Chen ,  Poping Shen

IPC: G02F1/1362 ,  G02F1/1368 ,  G06F3/041

CPC classification number: G02F1/136286 ,  G02F1/136209 ,  G02F1/1368 ,  G06F3/0416

Abstract: A display panel and a display device are provided according to embodiments of the application. In the display panel, a first metal electrode layer further includes multiple second metal electrode lines which are located in the same layer as multiple first metal electrode lines. An end of the second metal electrode line is electrically connected with the drain of a thin film transistor; and the other end of the second metal electrode line is electrically connected with the pixel electrode, so that the pixel electrode is electrically connected with the drain of the corresponding thin film transistor through the second metal electrode line. The area occupied by the electric connection region of the pixel electrode and the drain of the corresponding thin film transistor is reduced and the display area of the display panel is increased, when the size and the thickness of the display panel are not increased.

公开(公告)号：US20240063227A1

公开(公告)日：2024-02-22

申请号：US18384578

申请日：2023-10-27

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

Inventor： Qingjun LAI ,  Yihua ZHU ,  Yong YUAN ,  Ping AN ,  Zhaokeng CAO

IPC: H01L27/12 ,  G09G3/3225

CPC classification number: H01L27/1237 ,  H01L27/1251 ,  G09G3/3225 ,  G09G2300/0426 ,  G09G2300/0842 ,  G09G2300/0465 ,  G09G2300/0814 ,  H01L27/1225 ,  H10K59/1213

Abstract: A display panel includes a base substrate, a third transistor and a fourth transistor. The third transistor and the fourth transistor are formed on the base substrate. The third transistor includes a sixth gate electrode, a third active layer, a third source electrode, and a third drain electrode. The third active layer includes an oxide semiconductor. The fourth transistor includes an eighth gate electrode, a fourth active layer, a fourth source electrode, and a fourth drain electrode. The fourth active layer includes another oxide semiconductor. Along a direction perpendicular to the base substrate, a distance between the sixth gate electrode and the third active layer is D6. A channel region of the third transistor defined by the sixth gate electrode is a sixth channel region. A length of the sixth channel region is L6. A sixth area S6=L6×D6.

公开(公告)号：US11908389B2

公开(公告)日：2024-02-20

申请号：US17994581

申请日：2022-11-28

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

Inventor： Yong Yuan

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/043 ,  G09G2300/0819 ,  G09G2320/0233 ,  G09G2320/045

Abstract: Provided are a display panel and a display device. The display panel includes a pixel circuit and a light-emitting element. The pixel circuit includes a data write module, a drive module, a compensation module and a reset module. The drive module includes a drive transistor. The data write module is connected between a data signal input terminal and a source of the drive transistor. The compensation module is connected between a gate of the drive transistor and the drain of the drive transistor. The rest module is connected between a reset signal terminal and the drain of the drive transistor. The reset module also serves as a bias module. An operation of the pixel circuit includes a reset stage and a bias stage, during the reset stage, the reset module and the compensation module are on.

公开(公告)号：US11903257B2

公开(公告)日：2024-02-13

申请号：US18150953

申请日：2023-01-06

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

Inventor： Jieliang Li ,  Jiaxian Liu

IPC: H10K59/121 ,  G09G3/3225 ,  G09G3/3266 ,  G09G3/3275 ,  H01L27/12

CPC classification number: H10K59/1216 ,  G09G3/3225 ,  G09G3/3266 ,  G09G3/3275 ,  H10K59/1213 ,  G09G2320/0626 ,  H01L27/1225 ,  H01L27/1255

Abstract: Provided are a display panel and a display apparatus. The display panel includes a driving array layer having functional layers and insulation layers. The driving array layer includes a first transistor, a second transistor, a first capacitor including a first plate and a second plate, and a second capacitor including a third plate and a fourth plate. An active layer of the first transistor contains silicon, and an active layer of the second transistor contains oxide semiconductor. The first plate and the second plate are located in two of the functional layers, respectively, and the third plate and the fourth plate are located in two of the functional layers, respectively.