公开(公告)号：US20240177667A1

公开(公告)日：2024-05-30

申请号：US18109418

申请日：2023-02-14

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

Inventor： Di ZHANG ,  Dongxu XIANG

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/0294 ,  G09G2310/08 ,  G09G2320/0233 ,  G09G2320/0242 ,  G09G2320/0626

Abstract: The present disclosure discloses a display panel, a driving circuit and a display device. The display panel includes a pixel circuit and a light-emitting element. A data writing cycle of the pixel circuit includes a data writing phase and m holding phases. In the data writing phase, the first scan signal includes at least one first valid pulse. A light emission control signal includes one second valid pulse in the data writing phase and in each holding phase. The working modes of the display panel includes a first mode. In the first mode, the interval between the start time of the first valid pulse in the (i+1)-th data writing cycle and the end time of the last second valid pulse in the i-th data writing cycle is t1, and in the data writing phase, the duration of the light emission control signal being an invalid pulse is t2,







t
⁢
1


t
⁢
2


≥

1
⁢
%


,

m
≥
1

,

i
≥
1

,




and m and i are integers.

公开(公告)号：US20220223101A1

公开(公告)日：2022-07-14

申请号：US17709801

申请日：2022-03-31

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

Inventor： Fengyun WU ,  Yawei WANG ,  Dongxu XIANG ,  Yangzhao MA

IPC: G09G3/32 ,  G09G3/20

Abstract: A display panel and a display device are provided in the present disclosure. The display panel includes a plurality of pixels, including first pixels and second pixels, where each of the first pixels includes a first light-emitting element connected with a first pixel circuit; the first pixel circuit includes a first drive transistor; each of the second pixels includes a second light-emitting element connected with a second pixel circuit; and the second pixel circuit includes a second drive transistor. The display panel further includes a display region, including an optical component region and a first display region, where the first light-emitting element is in the optical component region; the second light-emitting element is in the first display region.

公开(公告)号：US20210327358A1

公开(公告)日：2021-10-21

申请号：US17359684

申请日：2021-06-28

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

Inventor： Dongxu XIANG ,  Renyuan ZHU ,  Yue LI ,  Yana GAO ,  Xingyao ZHOU ,  Zhonglan CAI

IPC: G09G3/3258 ,  G09G3/3233

Abstract: Disclosed are a display panel and a display device. When a display area is divided into a first display area and a second display area, and the number of pixels in a row of pixels in the second display area is smaller than the number of pixels in a row of pixels in the first display area, a load on a scan signal line connected with a row of pixels in the second display area is lower than a load on a scan signal line connected with a row of pixels in the first display area, and at least one of the respective scan signal lines connected with the respective rows of pixels in the second display area is connected with a compensation capacitor.

公开(公告)号：US20210118960A1

公开(公告)日：2021-04-22

申请号：US17138790

申请日：2020-12-30

Applicant: WuHan TianMa Micro-electronics CO., LTD.

Inventor： Xueshun HOU ,  Dongxu XIANG ,  Yuan LI ,  Tao PENG

IPC: H01L27/32

Abstract: Provided are a display panel and a display apparatus. The display panel includes a normal display region and a functional region. The normal display region includes a first display region, a second display region and a third display region. Along a first direction, lengths of third, first and second display regions of the normal display region decrease. One of the first and third display regions is a specific display region where first semiconductor pattern layers are located. The first semiconductor pattern layers are arranged along a third direction and connected to each other. In the second display region, the second semiconductor pattern layers first semiconductor pattern layers is arranged along a third direction and connected to each other. The second semiconductor pattern layers are connected to the first semiconductor pattern layers.

公开(公告)号：US20180158417A1

公开(公告)日：2018-06-07

申请号：US15889164

申请日：2018-02-05

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

Inventor： Dongxu XIANG ,  Renyuan ZHU ,  Yue LI ,  Yana GAO ,  Xingyao ZHOU ,  Zhonglan CAI

IPC: G09G3/3258

CPC classification number: G09G3/3258 ,  G09G3/3233 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/0251 ,  G09G2310/0262 ,  G09G2320/0233

Abstract: Disclosed are a display panel and a display device. When a display area is divided into a first display area and a second display area, and the number of pixels in a row of pixels in the second display area is smaller than the number of pixels in a row of pixels in the first display area, a load on a scan signal line connected with a row of pixels in the second display area is lower than a load on a scan signal line connected with a row of pixels in the first display area, and at least one of the respective scan signal lines connected with the respective rows of pixels in the second display area is connected with a compensation capacitor.

公开(公告)号：US20220036808A1

公开(公告)日：2022-02-03

申请号：US17020127

申请日：2020-09-14

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

Inventor： Fengyun WU ,  Yawei WANG ,  Dongxu XIANG ,  Yangzhao MA

IPC: G09G3/32 ,  G09G3/20

Abstract: A display panel and a display device are provided in the present disclosure. The display panel includes first pixels and second pixels, and further includes a display region including an optical component region and a regular display region. First light-emitting elements are in the optical component region; second light-emitting elements are in the regular display region; and a density of the light-emitting elements in the optical component region is less than a density of the light-emitting elements in the regular display region. The first pixels include first blue pixels, first red pixels, and first green pixels; a width-to-length ratio of a first drive transistor corresponding to a first blue pixel is R1, a width-to-length ratio of a first drive transistor corresponding to a first red pixel is R2, and a width-to-length ratio of a first drive transistor corresponding to a first green pixel is R3, where R1>R2>0 and/or R1>R3>0.