公开(公告)号：US20190147802A1

公开(公告)日：2019-05-16

申请号：US16249904

申请日：2019-01-17

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

Inventor： Yue LI ,  Xingyao ZHOU ,  Yana GAO

IPC: G09G3/3258 ,  H01L27/32 ,  G09G3/20 ,  G09G5/14

CPC classification number: G09G3/3258 ,  G09G3/14 ,  G09G3/2003 ,  G09G5/14 ,  G09G2320/0646 ,  G09G2320/0666 ,  G09G2330/021 ,  H01L27/3202 ,  H01L27/3211

Abstract: The present disclosure provides a display panel and a display device. The display panel has a display area and an information notification area. The display panel includes: a first organic light-emitting device arranged in the display area; a pixel driving circuit arranged in the display area, and the pixel driving circuit is configured to receive a first power voltage; and at least one second organic light-emitting device arranged in the information notification area. Each of the at least one second organic light-emitting device is electrically connected to a control circuit, and the control circuit is configured to receive a second power voltage. The second power voltage is less than the first power voltage.

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：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：US20200074927A1

公开(公告)日：2020-03-05

申请号：US16376050

申请日：2019-04-05

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

Inventor： Haojie XU ,  Xingyao ZHOU ,  Yue LI ,  Yana GAO

IPC: G09G3/3258

Abstract: An organic light-emitting diode (OLED) compensation circuit, a display panel and a display apparatus are provided. The OLED compensation circuit includes a first transistor, a second transistor, a third transistor, a fourth transistor, a storage capacitor and an OLED element. For the first transistor, a gate electrode is electrically connected to a first scanning signal line, a first electrode electrically connected to a data signal line, and a second electrode electrically connected to a first node. For the second transistor, a gate electrode is electrically connected to a first light-emitting control signal line, a first electrode electrically connected to a first voltage signal line, and a second electrode electrically connected to a second node. For the third transistor, a gate electrode is electrically connected to the first node, a first electrode electrically connected to the second node, and a second electrode electrically connected to a third node.

公开(公告)号：US20230215353A1

公开(公告)日：2023-07-06

申请号：US17707470

申请日：2022-03-29

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

Inventor： Mengmeng ZHANG ,  Yue LI ,  Yuantao WU ,  Jing HUANG

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2310/0297 ,  G09G2310/061 ,  G09G2300/0842 ,  G09G2320/0626

Abstract: A driving circuit and a display panel are provided. The driving circuit includes a pixel circuit and a demultiplexing circuit. The pixel circuit includes a driving transistor, a light-emitting device, and a data writing module. The driving transistor is connected between a first power signal terminal and the light-emitting device in series, to generate a driving current. The data writing module is connected between the driving transistor and the demultiplexing circuit in series, to provide a data signal to the driving transistor. An output terminal of the demultiplexing circuit is connected to an input terminal of the data writing module through a data line. The demultiplexing circuit is configured to write the data signal to the data line when the driving transistor is performing threshold compensation.

公开(公告)号：US20230141363A1

公开(公告)日：2023-05-11

申请号：US17587884

申请日：2022-01-28

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

Inventor： Yue LI ,  Xingyao ZHOU ,  Zhuan GAO ,  Qingxia WANG ,  Yuantao WU

IPC: H01L27/32 ,  H01L51/00 ,  H01L51/52

CPC classification number: H01L27/3276 ,  H01L51/0096 ,  H01L51/5253

Abstract: Display panel and display device are provided. The display panel includes a display area and a non-display area surrounding the display area. The display area includes a plurality of scan lines extending in a first direction and a plurality of data lines extending in a second direction, the first direction intersects the second direction. The non-display area includes a bonding area. The bonding area includes a plurality of pads arranged in a third direction. A direction perpendicular to the third direction is a fourth direction. An angle formed by the second direction and the fourth direction is θ, and 0°

公开(公告)号：US20230140104A1

公开(公告)日：2023-05-04

申请号：US17587766

申请日：2022-01-28

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

Inventor： Mengmeng ZHANG ,  Yue LI ,  Yuantao WU ,  Jing HUANG

IPC: G09G3/3266 ,  G11C19/28

Abstract: A display panel, a driving method of a display panel, and a display device are provided. The display panel includes pixel circuits and a gate driving circuit including cascaded first shift register units. A trigger signal input terminal of the first stage first shift register unit is connected to a trigger signal terminal through a first switch element. A signal output terminal of the i-th stage first shift register unit is connected to a trigger signal input terminal of the (i+1)-th stage first shift register unit through a second switch element. A trigger signal input terminal of the N-th stage first shift register unit is connected to the trigger signal terminal through a third switch element. A signal output terminal of the j-th stage first shift register unit is connected to a trigger signal input terminal of the (j−1)-th stage first shift register unit through a fourth switch element.

公开(公告)号：US20230059117A1

公开(公告)日：2023-02-23

申请号：US17454856

申请日：2021-11-15

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

Inventor： Shuai YANG ,  Yue LI ,  Mengmeng ZHANG ,  Gaojun HUANG

IPC: G09G3/3208

Abstract: Pixel circuit, display panel and display device are provided. The pixel circuit includes a driving module, a data writing module, a first reset module, a threshold compensation module, light emitting control modules, a leakage suppression module, a storage capacitor, a first capacitor, and a light emitting module. A first terminal of the first reset module is electrically connected to a reference signal terminal. A first terminal of the threshold compensation module is electrically connected to a second terminal of the driving module. A control terminal of the driving module is electrically connected to a first node. A second terminal of the first reset module and a second terminal of the threshold compensation module are both electrically connected to the first node through the leakage suppression module. A connection node between the leakage suppression module and the second terminal of the first reset module is a second node.

公开(公告)号：US20200126470A1

公开(公告)日：2020-04-23

申请号：US16257105

申请日：2019-01-25

Applicant: WuHan TianMa Micro-Electronics Co., Ltd.

Inventor： Yana GAO ,  Xinzhao LIU ,  Yue LI ,  Xingyao ZHOU ,  Kaihong HUANG

IPC: G09G3/20

Abstract: The present disclosure provides a display panel including: gate lines; data lines insulated from and intersecting with gate lines; pixel units; first and second clock signal lines; first and second power signal lines; gate driving units; and virtual driving units. Each gate driving unit has an output terminal electrically connected to gate lines, a first clock signal input terminal electrically connected to first clock signal line, and a second clock signal input terminal electrically connected to second clock signal line. Each virtual driving unit has an output terminal insulated from gate lines, a first clock signal input terminal insulated from first and second clock signal lines, and a second clock signal input terminal insulated from first and second clock signal lines. At least one virtual driving unit is disposed within the rounded angle region and located between two gate driving units.

公开(公告)号：US20190157375A1

公开(公告)日：2019-05-23

申请号：US16255821

申请日：2019-01-24

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

Inventor： Yujiao LIANG ,  Mengmeng ZHANG ,  Di ZHU ,  Tao PENG ,  Yue LI ,  Yana GAO ,  Xingyao ZHOU

IPC: H01L27/32 ,  H01L51/52

Abstract: A display panel is provided having a transparent region, a display area surrounding the transparent region, and a non-display area surrounding the display area, and the display panel includes: at least one binding pin; at least one signal line only located within the display area and not located within the transparent region; at least one connection line located within the non-display region; and glass cement located within the non-display region. The signal lines include a first signal line and a second signal line, and the first signal line and the at least one binding pin are respectively located at two sides of the transparent region; the first signal line is electrically connected to the at least one connection line; and at least a part of the at least one connection line overlaps with the glass cement. The display panel is used for image display.