公开(公告)号：US20230260470A1

公开(公告)日：2023-08-17

申请号：US18308446

申请日：2023-04-27

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

Inventor： Nana XIONG ,  Jujian FU

IPC: G09G3/3291

CPC classification number: G09G3/3291 ,  G09G2300/08 ,  G09G2310/065

Abstract: A display panel and a display device are provided. The display panel includes at least one pixel circuit and a light emitting element. One pixel circuit includes a driving transistor, a second transistor, a third transistor, and a first light-emission controlling module. The second transistor is connected between a data line and a source of the driving transistor and is configured to provide a data signal. The third transistor is connected between a voltage adjusting signal line and the source of the driving transistor and is configured to provide an adjusting voltage. The first light-emission controlling module is connected between a first power supply terminal and the source of the driving transistor and is configured to provide a power supply voltage. The power supply voltage provided by the first power supply terminal is VP, and the adjusting voltage is VJ, where VP

公开(公告)号：US20220367432A1

公开(公告)日：2022-11-17

申请号：US17379816

申请日：2021-07-19

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

Inventor： Xingda XIA ,  Jujian FU ,  Xiao CHI ,  Yuqi HU

IPC: H01L25/16 ,  H01L27/12

Abstract: A light-emitting diode (LED) display panel and a display device are provided. The LED display panel includes a substrate, an array layer at a side of the substrate, and a light-emitting device at a side of the array layer away from the substrate. The array layer includes an insulating layer and a driving device; the insulating layer includes a groove; the groove is between an edge of the display panel and the driving device; and/or the groove is between the light-emitting device and the driving device.

公开(公告)号：US20200251542A1

公开(公告)日：2020-08-06

申请号：US16853707

申请日：2020-04-20

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

Inventor： Jujian FU

IPC: H01L27/32 ,  H01L25/16

Abstract: Provided are a display panel, a display device and a manufacturing method. The display panel includes a display area, the display area includes a transparent display region, where the transparent display region includes multiple transparent regions arranged in an array manner and multiple light-emitting regions disposed between adjacent transparent regions; a substrate; and multiple first light-emitting elements located on one side of the substrate and in the multiple light-emitting regions. In the transparent display region, film layers in at least two adjacent transparent regions have different thicknesses, and/or the film layers in the at least two adjacent transparent regions are made of different materials.

公开(公告)号：US20190165004A1

公开(公告)日：2019-05-30

申请号：US16031139

申请日：2018-07-10

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

Inventor： Junhui LOU ,  Tianyi WU ,  Jujian FU

IPC: H01L27/12 ,  H01L29/786 ,  H01L29/66 ,  G09G3/3225

Abstract: An array substrate, display panel, display apparatus, and method for manufacturing the array substrate are provided. Array substrate includes pixel driving circuit and peripheral driving circuit. Array substrate further includes a plurality of thin film transistors including first type of thin film transistor electrically connected into peripheral driving circuit for outputting driving signal and second type of thin film transistor connected to peripheral driving circuit for outputting scanning signal. The thin film transistor includes an active layer of oxide semiconductor including at least one sub-layer. Compared with second type of thin film transistor, active layer of first type of thin film transistor has more sub-layers, and thickness of active layer of first type of thin film transistor is larger. Each sub-layer of the active layer of the second type of thin film transistor is in a same layer as the active layer of the first type of thin film transistor.

公开(公告)号：US20240176203A1

公开(公告)日：2024-05-30

申请号：US18432361

申请日：2024-02-05

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

Inventor： Feng LU ,  Jujian FU

IPC: G02F1/167 ,  G02F1/1676

CPC classification number: G02F1/167 ,  G02F1/1676

Abstract: Provided are a display panel and a display apparatus. In an embodiment, the display panel includes a substrate and a display medium layer over the substrate. In an embodiment, the display medium layer includes: a microstructure; a plurality of charged particles located in the microstructure; a first electrode at least partially located in the microstructure; and a second electrode at least partially located in the microstructure. In an embodiment, the microstructure has a sidewall not parallel to the substrate and a bottom surface. In an embodiment, the first electrode includes a first side portion located on the sidewall and a first extension portion. In an embodiment, the first extension portion is connected to the first side portion and located on part of the bottom surface.

公开(公告)号：US20220366834A1

公开(公告)日：2022-11-17

申请号：US17446932

申请日：2021-09-03

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：US20210287614A1

公开(公告)日：2021-09-16

申请号：US17332222

申请日：2021-05-27

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.

公开(公告)号：US20230267891A1

公开(公告)日：2023-08-24

申请号：US18308408

申请日：2023-04-27

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

Inventor： Nana XIONG ,  Jujian FU

IPC: G09G3/3291

CPC classification number: G09G3/3291 ,  G09G2300/08 ,  G09G2310/065

Abstract: A display panel and a display device are provided. One pixel circuit of the display panel includes a driving transistor, a second transistor, a third transistor, a reset module, and a first light-emission controlling module. The second transistor is connected between a data line and a source of the driving transistor, the third transistor is connected between a voltage adjusting signal line and the source of the driving transistor, the reset module is connected between a reset voltage input terminal and a gate of the driving transistor, and the first light-emission controlling module is connected between a first power supply terminal and the source of the driving transistor. An operation process of the display panel includes a light emitting phase, a data writing phase, a reset and adjustment phase, and a reset phase.

公开(公告)号：US20230260469A1

公开(公告)日：2023-08-17

申请号：US18308140

申请日：2023-04-27

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

Inventor： Nana XIONG ,  Jujian FU

IPC: G09G3/3291

CPC classification number: G09G3/3291 ,  G09G2300/08 ,  G09G2310/065

Abstract: A display panel includes at least one pixel circuit and a light emitting element. One pixel circuit includes a driving transistor, and second and third transistors. The second transistor is connected between data line and a source of the driving transistor. The third transistor is connected between voltage adjusting signal line and the source. During a data writing phase, the second transistor is turned on, the data line provides data signal equal to VData to the source, a gate of the driving transistor receives the data signal, and voltage of the gate is VData+Vth. Vth denotes threshold voltage of the driving transistor. During a reset and adjustment phase, the third transistor is turned on, the voltage adjusting signal line provides adjusting voltage to the source, voltage of the source of the driving transistor is VJ, and the voltage of the gate remains VData+Vth. VData+Vth−VJ≤−2V.

公开(公告)号：US20220277695A1

公开(公告)日：2022-09-01

申请号：US17565255

申请日：2021-12-29

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.