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.

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：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：US20250046246A1

公开(公告)日：2025-02-06

申请号：US18639525

申请日：2024-04-18

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

Inventor： Yana GAO ,  Gaojun HUANG ,  Xingyao ZHOU

IPC: G09G3/3233

Abstract: A display panel includes a light-emitting element, a pixel circuit, and a peripheral drive circuit. The pixel circuit includes a drive module, a first reset module, and a compensation module. The operation process includes a power-on stage and a display stage in sequence. The power-on stage includes a first phase and a second phase in sequence. For part of the frames of the power-on stage, the peripheral drive circuit provides a first control signal to a control terminal of the first reset module. The first reset module is turned on. The peripheral drive circuit provides a second control signal to a control terminal of the compensation module. The compensation module is turned on. In the second phase, the peripheral drive circuit provides a first power supply voltage to a first terminal and/or provides a second power supply voltage to a second terminal. Problems of power-on flickering are improved.

公开(公告)号：US20230419904A1

公开(公告)日：2023-12-28

申请号：US18464053

申请日：2023-09-08

Applicant: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD. ,  Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch

Inventor： Jian KUANG ,  Mengmeng ZHANG ,  Xingyao ZHOU ,  Yana GAO

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/0842 ,  G09G2310/08 ,  G09G2310/0262 ,  G09G2310/0202 ,  G09G2320/0247 ,  G09G2320/0233 ,  G09G2320/0626 ,  G09G2330/021

Abstract: Provided are a display panel, a method for driving a display panel, and a display apparatus. The display panel includes a light-emitting element, a pixel driver circuit, and a control circuit. The pixel driver circuit includes a driver transistor and a first light emission control switch. A working mode of the display panel includes a first mode. In the first mode, a working cycle of the pixel driver circuit includes a data writing phase and at least one data holding phase subsequent to the data writing phase. The data writing phase includes at least one first light-emitting period. The data holding phase includes at least one second light-emitting period. The control circuit controls a duration of a first one of the at least one first light-emitting period in the data writing phase to be less than a duration of one of the at least one second light-emitting period.

公开(公告)号：US20230361065A1

公开(公告)日：2023-11-09

申请号：US17901563

申请日：2022-09-01

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

Inventor： Qibing WEI ,  Peng ZHANG ,  Xingyao ZHOU ,  Wei LIU

IPC: H01L23/00

CPC classification number: H01L24/06 ,  H01L24/05 ,  H01L24/32 ,  H01L2224/05567 ,  H01L27/1244

Abstract: A module and a substrate are provided in the present disclosure. The module includes an array substrate and a flexible circuit board. The array substrate includes a binding region including a first binding region and a second binding region; and in the binding region, the flexible circuit board is bound with the array substrate. In the first binding region, the array substrate includes a first conductive soldering pad; the flexible circuit board includes a second conductive soldering pad; and the first conductive soldering pad is electrically connected to the second conductive soldering pad. In the second binding region, the array substrate includes one or more of first soldering elements; the flexible circuit board includes one or more of second soldering elements; a first soldering element of the one or more of first soldering elements is fixed with a second soldering element of the one or more of second soldering elements.

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：US20230316976A1

公开(公告)日：2023-10-05

申请号：US18306464

申请日：2023-04-25

Applicant: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD. ,  Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch

Inventor： Xingyao ZHOU ,  Yana GAO ,  Kang YANG ,  Wei LIU ,  Qijun YAO

IPC: G09G3/20

CPC classification number: G09G3/20 ,  G09G2300/0842 ,  G09G2310/0202 ,  G09G2310/08 ,  G09G2320/0233 ,  G09G2320/0247 ,  G09G2330/021 ,  G09G2340/00

Abstract: A display device including a display panel having a display area. The display panel includes pixel circuits located in the display area. Each pixel circuit includes a driving transistor and a voltage regulating module that is configured to adjust a node voltage of the driving transistor by a voltage provided by one voltage regulating signal line of voltage regulating signal lines. The pixel circuits have data refresh frequencies including first and second frequencies. The first frequency is greater than the second frequency. When one pixel circuit performs data refreshing at the first frequency, one voltage regulating signal line is configured to provide a first voltage, and when one pixel circuit performs data refreshing at the second frequency, one voltage regulating signal line is configured to provide a second voltage not equal to the first voltage.

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.