公开(公告)号：US20210098509A1

公开(公告)日：2021-04-01

申请号：US16734771

申请日：2020-01-06

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

Inventor： Jujian FU

IPC: H01L27/12

Abstract: Provided are an array substrate, a display panel, a display device and a method for manufacturing the array substrate. The array substrate includes a first thin film transistor and a second thin film transistor. The first thin film transistor includes a first active layer, a first gate, a first A-type electrode and a first B-type electrode. The second thin film transistor includes a second active layer, a second gate, a second A-type electrode and a second B-type electrode. In a direction perpendicular to a plane where a substrate is located, a film where the first active layer is located, a film where the first A-type electrode is located, a film where the first B-type electrode is located, and a film where the first gate electrode is located each are disposed between a film where the second active layer is located and the substrate.

公开(公告)号：US20190165035A1

公开(公告)日：2019-05-30

申请号：US16252709

申请日：2019-01-21

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

Inventor： Jujian FU

IPC: H01L27/15

Abstract: A display panel and a method for manufacturing the display panel are provided. The method includes providing a first substrate, forming a buffer layer including at least one first buffer layer on a first side of the first substrate; forming a LED structure including a first LED structure on a side of the buffer layer facing away from the first substrate, forming a planarization layer covering the LED structure on a side of the LED structure facing away from the buffer layer, forming an electrode structure connected to the LED units on a side of the planarization layer facing away from the LED structure, and forming a control circuit on a side of the electrode structure facing away from the LED structure, where the control circuit is electrically connected to the electrode structure and configured to control operation states of the LED units.

公开(公告)号：US20250029544A1

公开(公告)日：2025-01-23

申请号：US18431156

申请日：2024-02-02

Applicant: Shanghai Tianma Micro-electronics Co., Ltd.

Inventor： Nana XIONG ,  Jujian FU

IPC: G09G3/32

Abstract: A display panel, a display device, and an optical compensation method are provided. The display panel includes a display area, a light-emitting element, a pixel circuit, and an optical detection unit. The display area includes a first display area and a second display surrounding the first display area. The light-emitting element includes a first light-emitting element in the first display area and a second light-emitting element in the second display area. The pixel circuit includes a first pixel circuit and a second pixel circuit connected to the first and second light-emitting elements, respectively. The number of the first light-emitting elements connected to the first pixel circuit is greater than that of the second light-emitting elements connected to the second pixel circuit. The optical detection unit includes a first optical detection unit for detecting the brightness of the first light-emitting element.

公开(公告)号：US20240142845A1

公开(公告)日：2024-05-02

申请号：US18407481

申请日：2024-01-09

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

Inventor： Kaikai ZHANG ,  Yongxin HE ,  Yuan DING ,  Jujian FU

IPC: G02F1/16753 ,  G02F1/167 ,  G02F1/1679

CPC classification number: G02F1/16753 ,  G02F1/167 ,  G02F1/1679

Abstract: A display panel and a display device are provided. The display panel includes a first substrate, a second substrate arranged opposite to the first substrate, an electrophoresis layer, a liquid-blocking portion and a supporting structure. The electrophoresis layer is arranged between the first substrate and the second substrate and includes multiple electrophoresis particles. The liquid-blocking portion is arranged at an edge of the first substrate and/or the second substrate. The supporting structure is arranged between the first substrate and the second substrate and includes a first supporting portion and a second supporting portion. A height of the first supporting portion is greater than that of the second supporting portion in a direction perpendicular to a plane where the first substrate is located. A minimum distance between the second supporting portion and the liquid-blocking portion is less than that between the first supporting portion and the liquid-blocking portion.

公开(公告)号：US20230230547A1

公开(公告)日：2023-07-20

申请号：US18168976

申请日：2023-02-14

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

Inventor： Yong YUAN ,  Nana XIONG ,  Jujian FU

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2310/061 ,  G09G2300/0452 ,  G09G2320/0252 ,  G09G2320/045 ,  G09G2320/0233 ,  G09G2320/0247 ,  G09G2300/0842

Abstract: A display panel and a display device are provided. The display panel includes pixel circuits. Each pixel circuit includes a driving transistor, a data writing circuit, a light-emitting control circuit, a threshold compensation circuit and a bias adjustment circuit. The driving transistor includes a gate electrically connected to a first node, a first terminal electrically connected to a second node, and a second terminal electrically connected to the third node, and is configured to generate a driving current. The third node is connected to a light-emitting element through the light-emitting control circuit. The bias adjustment circuit is configured to provide a signal of a bias adjustment signal terminal to the second node under control of a signal of a first scanning signal terminal in such a manner that a bias state of the driving transistor is adjusted.

公开(公告)号：US20200310180A1

公开(公告)日：2020-10-01

申请号：US16719429

申请日：2019-12-18

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

Inventor： Jujian FU

IPC: G02F1/1333 ,  G02F1/1343 ,  G02F1/29

Abstract: Provided are a display panel, a display device and a manufacturing method of a display panel. The display panel includes: a display region including a first display region and a second display region. In the first display region, a surface of a first substrate facing towards a second substrate is provided with a plurality of organic light emitting elements. In the second display region, a surface of the second substrate facing towards the first substrate is provided with a plurality of Micro Light Emitting Diodes (LEDs) and a plurality of second traces. An encapsulation frame is further configured between the first substrate and the second substrate, and the encapsulation frame is disposed in a frame region and surrounds the display region. In the frame region, the surface of the first substrate facing towards the second substrate is provided with a plurality of first traces.

公开(公告)号：US20190326271A1

公开(公告)日：2019-10-24

申请号：US16503487

申请日：2019-07-04

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

Inventor： Xiao CHI ,  Tianyi WU ,  Jujian FU ,  Liang XING ,  Gang LIU ,  Shaorong YU

IPC: H01L25/16 ,  H01L27/32 ,  H01L51/52 ,  H01L27/12

Abstract: A display panel, a method for manufacturing the display panel, and a display device including the display panel are provided. The display panel includes: a thin film transistor array layer, and a light-emitting function layer at a side of the thin film transistor array layer. The thin film transistor array layer includes a planarization layer, an electrode layer, a first insulation layer, an active layer and a buffer layer. The electrode layer includes at least one first electrode and second electrode, and each first electrode includes a connection portion and an electrode portion which are connected to each other. The light-emitting function layer includes first contact electrodes and light-emitting elements. Heat generated by the light-emitting function layer is conducted to electrode portion of the first electrode through the connection portion of the first electrode and is uniformly distributed on the connection portion and the electrode portion.

公开(公告)号：US20240040829A1

公开(公告)日：2024-02-01

申请号：US17988221

申请日：2022-11-16

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

Inventor： Jujian FU

IPC: H01L29/08

CPC classification number: H01L51/5284 ,  H01L27/3218 ,  H01L27/3276 ,  H01L27/3246

Abstract: A display panel and a display apparatus are provided in the present disclosure. The display panel includes a first display region and a light-blocking layer. The first display region includes a plurality of light-transmitting regions and a plurality of pixel regions; and a transmittance of a light-transmitting region is greater than a transmittance of a pixel region. The light-blocking layer includes a first opening region and a second opening region; along a direction perpendicular to a plane of the display panel, the first opening region is overlapped with the light-transmitting region, and the second opening region is overlapped with the pixel region; and along a direction in parallel with the plane of the display panel, a minimum distance between the light-transmitting region and the pixel region is D1, and a minimum distance between two adjacent pixel regions is D2, where D1

公开(公告)号：US20230138675A1

公开(公告)日：2023-05-04

申请号：US18089808

申请日：2022-12-28

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

Inventor： Xingda XIA ,  Jujian FU ,  Nana XIONG ,  Yuqi HU

IPC: G09G3/32

Abstract: A display panel includes a pixel circuit that includes a light emitting module, a driving module, a first dual control module, and a second dual control module. A control end of the driving module is connected to a first node. The first dual control module has a control end connected to a first scanning line and has a first end connected to the first node. A first capacitor is formed between an intermediate node of the first dual control module and a first potential line. The second dual control module has a first end connected to the first node and has a second end connected to the driving module. A second capacitor is formed between an intermediate node of the second dual control module and a second potential line. Capacitance of one of the first capacitor and the second capacitor is greater than another.

公开(公告)号：US20220277696A1

公开(公告)日：2022-09-01

申请号：US17567487

申请日：2022-01-03

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

Inventor： Nana XIONG ,  Jujian FU

IPC: G09G3/3291

Abstract: A display panel and a method for driving the same, and a display device are provided. The display panel includes a light emitting element and a pixel circuit that includes a data writing module configured to provide a data signal and an adjusting voltage, a driving module configured to provide a driving current to the light emitting element and including a driving transistor, and a compensation module configured to compensate a threshold voltage of the driving transistor. An operation process of the display panel includes a period of a data writing frame during which the pixel circuit executes a data writing phase during which the data writing module writes the data signal and a light emitting phase, and a period of a holding frame during which the pixel circuit executes a reset and adjustment phase during which the data writing module writes the adjusting voltage and the light emitting phase.