公开(公告)号：US20240315103A1

公开(公告)日：2024-09-19

申请号：US18204700

申请日：2023-06-01

Applicant: Wuhan Tianma Micro-Electronics Co. Ltd. ,  Wuhan Tianma Micro-Electronics Co. Ltd. Shanghai Branch

Inventor： Qibing WEI ,  Peng ZHANG ,  Xingyao ZHOU

IPC: H10K59/35 ,  G06F3/044 ,  H10K59/40

CPC classification number: H10K59/353 ,  G06F3/0446 ,  H10K59/352 ,  H10K59/40

Abstract: A display panel includes a display panel comprising a display layer and a touch layer arranged on a side of the display layer. The display layer includes a plurality of subpixels and a plurality of pixel openings. The plurality of subpixels includes first color subpixels and second color subpixels. The plurality of pixel openings includes first color pixel openings and second color pixel openings. A first color subpixel corresponds to a first color pixel opening. A second color subpixel corresponds to a second color pixel opening. An area of the first color pixel opening is larger than an area of the second color pixel opening. The touch layer includes a plurality of touch electrodes insulated from each other, and the plurality of touch electrodes includes a plurality of electrically connected metal grids.

公开(公告)号：US12069919B2

公开(公告)日：2024-08-20

申请号：US18243084

申请日：2023-09-06

Applicant: Wuhan Tianma Micro-Electronics Co., Ltd. ,  Wuhan Tianma Micro-Electronics Co., Ltd. Shanghai Branch

Inventor： Qibing Wei ,  Peng Zhang ,  Xingyao Zhou ,  Gaojun Huang ,  Lilian Kuang

IPC: H10K59/131 ,  G09G3/3225

CPC classification number: H10K59/131 ,  G09G3/3225 ,  G09G2300/0842 ,  G09G2300/0861

Abstract: A display panel and a display device are provided. The display panel includes a display area and at least two non-display areas arranged adjacently along a first direction. The display area at least partially surrounds the non-display areas. Each non-display area includes at least one light-transmitting area and a wiring area, and the wiring area at least partially surrounds the at least one light-transmitting area. The display area includes pixel circuits and driving signal lines electrically connected with the pixel circuits. A driving signal line includes a first segment in the display area, a first connection line located in the wiring area, and a second segment located between the at least two non-display areas that are arranged adjacently. The first segment is connected to the second segment through the first connection line and the first segment is at least located at a side of the at least two non-display areas that are arranged adjacently.

公开(公告)号：US20220335873A1

公开(公告)日：2022-10-20

申请号：US17811123

申请日：2022-07-07

Applicant: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD. ,  WUHAN TIANMA MICRO-ELECTRONICS CO., LTD. SHANGHAI BRANCH

Inventor： Junting Ouyang ,  Boquan LIN ,  Kerui XI ,  Xiangzi KONG ,  Bojia LV

IPC: G09G3/20 ,  G11C19/28

Abstract: The present disclosure provides a driving method of a gate driving circuit. The driving method includes: outputting, by a plurality of shift register units of a shift register, signals sequentially, the plurality of shift register units being cascaded; determining, by a detection module, whether the plurality of shift register units has an abnormality according to one or more signals outputted from at least a part of the plurality of shift register units, and issuing a scan control command when it is determined that the plurality of shift register units has the abnormality; and controlling, by a scan control module, the shift register to perform forward scanning and reverse scanning under the scan control command.

公开(公告)号：US20240365592A1

公开(公告)日：2024-10-31

申请号：US18227046

申请日：2023-07-27

Applicant: Wuhan Tianma Micro-Electronics Co., Ltd. ,  Wuhan Tianma Micro-Electronics Co., Ltd. Shanghai Branch

Inventor： Huiping CHAI

IPC: H10K59/121

CPC classification number: H10K59/1216

Abstract: A display module and a display device are provided. The display module includes array layers and light-emitting devices. One light-emitting device is located on a side of one corresponding array layer facing a light-emitting surface of the display module, and includes a source-drain metal layer which includes a first metal component and a second metal component. The light-emitting device includes an anode layer which includes a first-type anode unit disposed correspondingly to the first metal component and a second-type anode unit disposed correspondingly to the second metal component. The second-type anode unit includes a first body portion and a first sub-extension unit connected to each other. Along a thickness direction of the display module, the first metal component at least partially overlaps the first-type anode unit, and the second metal component at least partially overlaps the first sub-extension unit while does not overlap the first body portion.

公开(公告)号：US20240093348A1

公开(公告)日：2024-03-21

申请号：US18524974

申请日：2023-11-30

Applicant: Wuhan Tianma Micro-Electronics Co., Ltd. ,  Wuhan Tianma Micro-Electronics Co., Ltd. Shanghai Branch

Inventor： Naichao MU ,  Yuan Li ,  Yu Xin ,  Jun Ma ,  Lijing Han

IPC: C23C14/04 ,  C23C14/12 ,  H10K71/00

CPC classification number: C23C14/042 ,  C23C14/12 ,  H10K71/00 ,  H10K71/166

Abstract: A mask module includes a framework and a first strip plate fixed on the framework and extending along a first direction. The first strip plate is provided with a first concave-convex structure on one side edge along the first direction. At least one convex structure is provided in a middle of the first concave-convex structure along the first direction. The convex structure and the first stripe plate are integrally formed.

公开(公告)号：US20250037655A1

公开(公告)日：2025-01-30

申请号：US18763900

申请日：2024-07-03

Applicant: Wuhan Tianma Micro-Electronics Co, Ltd. ,  Wuhan Tianma Micro-Electronics Co, Ltd Shanghai Branch

Inventor： Mengjia HE ,  Yana GAO ,  Mengmeng ZHANG ,  Xingyao ZHOU ,  Gaojun HUANG

IPC: G09G3/3233

Abstract: Display panel, driving method, and display device are provided. The display panel includes sub-pixels and data lines. A sub-pixel includes a pixel circuit and a light emitting element. The pixel circuit includes a data writing module electrically connected to a driving transistor, and a data line reset module. A first terminal of the data line reset module is electrically connected to a data line, a second terminal of the data line reset module is electrically connected to a data line reset signal terminal. An operation stage of the pixel circuit at least includes a data writing stage. In the data writing stage, the data writing module transmits a data voltage signal to the driving transistor. The operation stage also includes a data line reset stage. In the data line reset stage, the data line reset signal terminal transmits a data line reset signal to the data line.

公开(公告)号：US12094384B2

公开(公告)日：2024-09-17

申请号：US18204583

申请日：2023-06-01

Applicant: Wuhan Tianma Micro-Electronics Co., Ltd. ,  Wuhan Tianma Micro-Electronics Co., Ltd. Shanghai Branch

Inventor： Zhiyong Xiong ,  Yaolin Wang ,  Rui Ding

IPC: G09G3/20 ,  G09F9/30 ,  H01L27/12

CPC classification number: G09G3/20 ,  G09F9/301 ,  G09G2300/0426 ,  G09G2330/028 ,  H01L27/1218 ,  H01L27/124

Abstract: A display panel has a display region and a frame region outside the display region. The display region includes a plurality of pixel circuits. The display panel includes a base substrate, a buffer layer, a semiconductor layer, a power signal layer, and an auxiliary circuit layer. The buffer layer is on a side of the base substrate. The buffer layer includes an a-Si layer. The semiconductor layer is on a side of the buffer layer away from the base substrate. The power signal layer is on a side of the semiconductor layer away from the base substrate. The power signal layer includes a plurality of first power voltage lines in the display region, and one first power voltage line of the plurality of first power voltage lines are electrically connected to a corresponding pixel circuit.

公开(公告)号：US20240265880A1

公开(公告)日：2024-08-08

申请号：US18637886

申请日：2024-04-17

Applicant: Wuhan Tianma Micro-Electronics Co., Ltd. ,  Wuhan Tianma Micro-Electronics Co., Ltd. Shanghai Branch

Inventor： Mengmeng ZHANG

IPC: G09G3/3266 ,  G09G3/3275 ,  G11C19/28

CPC classification number: G09G3/3266 ,  G09G3/3275 ,  G11C19/287 ,  G09G2310/0278 ,  G09G2310/0286 ,  G09G2310/061 ,  G09G2320/0247

Abstract: A display drive circuit includes first shift registers from a first shift register of a 1st-stage to a first shift register of an Nth-stage; first shift registers of first A stages are virtual shift registers which are at least configured to make that an inputted second signal of a same pixel circuit has a delay of a set time length t relative to the first signal; and first shift registers of last (N-A) stages are at least configured to provide pixel circuits with the second signal; where t=a+b+c+d;




A
=


t


t
0

*
X


.





A particular drive time sequence is formed in the present disclosure, which improves the characteristics of the drive transistor, solve the display problem caused by the tailing problem of the output signal of the first shift register, and improve image display quality.

公开(公告)号：US20240081109A1

公开(公告)日：2024-03-07

申请号：US18242920

申请日：2023-09-06

Applicant: Wuhan Tianma Micro-Electronics Co., Ltd. ,  Wuhan Tianma Micro-Electronics Co., Ltd, Shanghai Branch

Inventor： Yu Xin ,  Lin Zhang ,  Xian Chen

IPC: H10K59/131

CPC classification number: H10K59/131

Abstract: A display panel and a display apparatus are provided in the present disclosure. The display panel includes a display region, a first non-display region and a second non-display region. The display region includes a plurality of first signal lines extending along the first direction; at least a part of the plurality of first signal lines includes at least one first line segment and at least one second line segment; the at least one first line segment is between two adjacent non-display regions; at least a part of the at least one second line segment is on a side of the first non-display region away from the second non-display region along the first direction; and/or, at least a part of the at least one second line segment is on a side of the second non-display region away from the first non-display region along the first direction.

公开(公告)号：US20240081110A1

公开(公告)日：2024-03-07

申请号：US18243084

申请日：2023-09-06

Applicant: Wuhan Tianma Micro-Electronics Co., Ltd. ,  Wuhan Tianma Micro-Electronics Co., Ltd. Shanghai Branch

Inventor： Qibing WEI ,  Peng ZHANG ,  Xingyao ZHOU ,  Gaojun HUANG ,  Lilian KUANG

IPC: H10K59/131 ,  G09G3/3225

CPC classification number: H10K59/131 ,  G09G3/3225 ,  G09G2300/0842 ,  G09G2300/0861

Abstract: A display panel and a display device are provided. The display panel includes a display area and at least two non-display areas arranged adjacently along a first direction. The display area at least partially surrounds the non-display areas. Each non-display area includes at least one light-transmitting area and a wiring area, and the wiring area at least partially surrounds the at least one light-transmitting area. The display area includes pixel circuits and driving signal lines electrically connected with the pixel circuits. A driving signal line includes a first segment in the display area, a first connection line located in the wiring area, and a second segment located between the at least two non-display areas that are arranged adjacently. The first segment is connected to the second segment through the first connection line and the first segment is at least located at a side of the at least two non-display areas that are arranged adjacently.