公开(公告)号：US20240237406A1

公开(公告)日：2024-07-11

申请号：US18618109

申请日：2024-03-27

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

Inventor： Yong YUAN

IPC: H10K59/121 ,  H10K50/844 ,  H10K71/00 ,  H10K59/12

CPC classification number: H10K59/1213 ,  H10K50/844 ,  H10K59/1216 ,  H10K71/00 ,  H10K59/1201

Abstract: Provided are an array substrate and a manufacturing method of an array substrate and a display panel and device. The array substrate includes a pixel circuit. The pixel circuit includes a first transistor and a second transistor, the first transistor includes a first active layer, the second transistor includes a second active layer, and the first active layer and the second active layer both include silicon. The array substrate further includes a first-type inorganic layer and a second-type inorganic layer and a first via hole. The first via hole is located above the first active layer and at least penetrates through the second-type inorganic layer. Concentration of hydrogen ions in the first active layer is less than concentration of hydrogen ions in the second active layer.

公开(公告)号：US20240063226A1

公开(公告)日：2024-02-22

申请号：US18384593

申请日：2023-10-27

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

Inventor： Qingjun LAI ,  Yihua ZHU ,  Yong YUAN ,  Ping AN ,  Zhaokeng CAO

IPC: H01L27/12 ,  G11C19/28

CPC classification number: H01L27/1225 ,  G11C19/28 ,  G09G2310/0286

Abstract: A display panel includes at least one driving circuit and at least one pixel circuit. A driving circuit of the at least one driving circuit provides a driving signal for a pixel circuit of the at least one pixel circuit. The driving circuit includes N-level shift registers cascaded with each other. N is greater than or equal to two. The pixel circuit provides a display signal for a display unit of the display panel. A shift register of the N-level shift registers includes at least one first transistor. The at least one first transistor includes at least one first active layer, and an active layer with a largest area among the at least one first active layer is a first preset active layer. The pixel circuit includes at least one second transistor. The at least one second transistor includes at least one second active layer.

公开(公告)号：US20240055437A1

公开(公告)日：2024-02-15

申请号：US18384565

申请日：2023-10-27

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

Inventor： Qingjun LAI ,  Yihua ZHU ,  Yong YUAN ,  Ping AN ,  Zhaokeng CAO

IPC: H01L27/12 ,  G09G3/3225

CPC classification number: H01L27/1237 ,  H01L27/1251 ,  G09G3/3225 ,  G09G2300/0426 ,  G09G2300/0842 ,  G09G2300/0465 ,  G09G2300/0814 ,  H01L27/1225 ,  H10K59/1213

Abstract: A display panel includes a base substrate, a first transistor, and a second transistor. The first transistor and the second transistor are formed on the base substrate. The first transistor includes a first active layer, a first gate electrode, a first source electrode, and a first drain electrode. The first active layer includes silicon. The second transistor includes a second active layer, a second gate electrode, a second source electrode, and a second drain electrode. The second active layer includes oxide semiconductor. A length of a channel region of the first transistor is L1. Along a direction perpendicular to the base substrate, a distance between the first gate electrode and the first active layer is D1. A length of a channel region of the second transistor is L2. Along the direction perpendicular to the base substrate, a distance between the second gate electrode and the second active layer is D2.

公开(公告)号：US20230282145A1

公开(公告)日：2023-09-07

申请号：US18198013

申请日：2023-05-16

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

Inventor： Qingjun LAI ,  Yihua ZHU ,  Yong YUAN ,  Ping AN ,  Zhaokeng CAO

IPC: G09G3/20 ,  G11C19/28

CPC classification number: G09G3/20 ,  G11C19/28 ,  G09G2300/0842 ,  G09G2300/0819 ,  G09G2310/061 ,  G09G2310/0286

Abstract: A display panel includes a pixel circuit and a driving circuit. The pixel circuit includes a driving transistor. The driving circuit is configured to provide a signal for the pixel circuit, receive a third voltage signal and a fourth voltage signal, and generate an output signal. The third voltage signal is a high-level signal, and the fourth voltage signal is a low-level signal. A working process of the pixel circuit includes a reset phase and a bias phase. The output signal of the driving circuit is a reset signal in the reset phase. The output signal of the driving circuit is a bias signal in the bias phase. In response to the driving transistor being a PMOS transistor, the reset signal is the fourth voltage signal, and the bias signal is the third voltage signal.

公开(公告)号：US20230090219A1

公开(公告)日：2023-03-23

申请号：US17994560

申请日：2022-11-28

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

Inventor： Yong YUAN

IPC: G09G3/32

Abstract: Provided are a display panel and a display device. The display panel includes a pixel circuit and a light-emitting element. The pixel circuit includes a data write module, a drive module and a compensation module. The drive module includes a drive transistor. The data write module is connected to an input terminal of the drive module; a first electrode of the compensation module is connected to an output terminal of the drive module, and a second electrode of the compensation module is connected to a control terminal of the drive module. The data write module includes a data write transistor and a bias transistor, the data write transistor is connected to a data signal input terminal and configured to transmit a data signal, and the bias transistor is connected to a bias signal input terminal and configured to transmit a bias signal.

公开(公告)号：US20220375381A1

公开(公告)日：2022-11-24

申请号：US17878204

申请日：2022-08-01

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

Inventor： Yong YUAN

IPC: G09G3/20 ,  G11C19/28

Abstract: Provided are a display panel and display device. The display panel includes a driver circuit, where the driver circuit includes an N-stage cascaded shift register which includes a first control unit, a second control unit, a third control unit, and a fourth control unit. The first control unit is configured to receive an input signal and control a signal of a first node in response to a first clock signal. The second control unit is configured to control a signal of a second node. The third control unit is configured to receive the first voltage signal and generate an output signal in response to a signal of a third node, or receive the second voltage signal and generate an output signal in response to the signal of the second node. The fourth control unit comprises a first capacitor and a first transistor.

公开(公告)号：US20200312223A1

公开(公告)日：2020-10-01

申请号：US16442812

申请日：2019-06-17

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

Inventor： Yong YUAN ,  Yuheng ZHANG ,  Wanming HUANG ,  Jieliang LI

IPC: G09G3/32

Abstract: A pixel circuit, a method for driving a pixel circuit and a display panel are provided. An exemplary pixel circuit includes a data writing module and a driving transistor, a voltage of a first terminal of the driving transistor being greater than a voltage of a second terminal; a light-emitting control module and a light-emitting device, the light-emitting device being configured to emit light in response to the driving current generated by the driving transistor; a first initialization module and a second initialization module; and a reset module configured to cause the voltage of the second terminal of the driving transistor to be greater than or equal to the voltage of the first terminal of the driving transistor in response to a current-stage reset signal, an enable signal of the current-stage reset signal appearing after an enable signal of the current-stage light-emitting signal.

公开(公告)号：US20180190742A1

公开(公告)日：2018-07-05

申请号：US15907842

申请日：2018-02-28

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

Inventor： Shui HE ,  Yingteng ZHAI ,  Yongxiang LIN ,  Hong LIN ,  Yong YUAN ,  Zaiwen ZHU ,  Qitai JI

IPC: H01L27/32 ,  H01L51/52

CPC classification number: H01L27/3248 ,  H01L27/3276 ,  H01L51/5206 ,  H01L2251/55

Abstract: An organic light-emitting display panel, a display device, and an organic light-emitting display motherboard are provided. The organic light-emitting display panel includes a base substrate, a metal wire, a first insulation layer, and a conductive portion. The metal wire has an upper surface opposing to the base substrate. A material of the metal wire includes a first metal. The first insulation layer covers the upper surface of the metal wire and includes at least one hollow portion penetrating through the first insulation layer and exposing a portion of the upper surface of the metal wire. The conductive portion is electrically connected to the metal wire, and is not overlapped with the at least one hollow portion. A work function of a material of the conductive portion is G1, a work function of metal silver is G2, a work function of the first metal is G3, and G1>G2>G3.

公开(公告)号：US20180150175A1

公开(公告)日：2018-05-31

申请号：US15880603

申请日：2018-01-26

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

Inventor： Jieliang LI ,  Yong YUAN ,  Zaiwen ZHU ,  Qitai JI ,  Qijun YAO ,  Feng LU

IPC: G06F3/041 ,  G06F3/045

CPC classification number: G06F3/0414 ,  G06F3/0412 ,  G06F3/044 ,  G06F3/045 ,  G06F2203/04103 ,  G06F2203/04112

Abstract: Provided are a touch display panel and a touch display device. The touch display panel includes at least one semiconductor pressure-sensing touch device, and the semiconductor pressure-sensing touch device includes a first pressure-sensitive resistor, a second pressure-sensitive resistor, a third pressure-sensitive resistor and a fourth pressure-sensitive resistor. A first end of the first pressure-sensitive resistor and a first end of the second pressure-sensitive resistor are connected to a first power inputting terminal, a second end of the first pressure-sensitive resistor and a first end of the fourth pressure-sensitive resistor are connected to a first sense signal measuring terminal, a second end of the fourth pressure-sensitive resistor and a second end of the third pressure-sensitive resistor are connected to a second power inputting terminal.

公开(公告)号：US20230343271A1

公开(公告)日：2023-10-26

申请号：US18344894

申请日：2023-06-30

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

Inventor： Qingjun LAI ,  Yihua ZHU ,  Yong YUAN

IPC: G09G3/20

CPC classification number: G09G3/2092 ,  G09G2310/0286 ,  G09G2310/08 ,  G11C19/28

Abstract: Provided are a display panel and a display device. The display panel includes a driver circuit including N stages of cascaded shift registers, where N≥2. A shift register includes a first control part and a second control part. The second control part includes a first control unit and a second control unit. The first control unit is configured to receive at least a signal of a preset node and a first output control signal and control a signal of a fourth node. During at least part of a time period during which the signal of the fourth node is a low level signal, each of a signal of the preset node and the first output control signal is a low level signal.