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公开(公告)号：US20230089777A1
公开(公告)日：2023-03-23
申请号：US17994552
申请日：2022-11-18
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.
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公开(公告)号：US20230087949A1
公开(公告)日：2023-03-23
申请号：US17994597
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, a compensation module and a reset module. The drive module includes a drive transistor. The data write module is connected between a data signal input terminal and a source of the drive transistor. The compensation module is connected between a gate of the drive transistor and the drain of the drive transistor. The rest module is connected between a reset signal terminal and the drain of the drive transistor. The reset module also serves as a bias module. An operation of the pixel circuit includes a reset stage and a bias stage, during the reset stage, the reset module and the compensation module are on.
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公开(公告)号：US20230087491A1
公开(公告)日：2023-03-23
申请号：US17994526
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.
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公开(公告)号：US20230086559A1
公开(公告)日：2023-03-23
申请号：US17991375
申请日：2022-11-21
Applicant: Xiamen Tianma Micro-Electronics Co.,Ltd.
Inventor： Yong YUAN , Jieliang LI
IPC: G09G3/32
Abstract: A display panel includes a pixel circuit and a light-emitting element. The pixel circuit includes a driving module, a data-writing module, and a compensation module, and a reset module. The driving module includes a driving transistor. The data-writing module is connected to a source of the driving transistor and configured to selectively provide a data signal for the driving transistor. The compensation module is connected between a gate and a drain of the driving transistor. The reset module is connected between the drain of the driving transistor and a reset signal terminal and configured to provide a reset signal for the gate of the driving transistor. The reset module is used as a bias module. An operating process of the pixel circuit includes a reset stage and a bias stage.
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公开(公告)号：US20220375382A1
公开(公告)日：2022-11-24
申请号：US17878213
申请日：2022-08-01
Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.
Inventor： Yong YUAN
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 third transistor.
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Patent Agency Ranking
公开(公告)号：US20220254291A1
公开(公告)日：2022-08-11
申请号：US17643557
申请日：2021-12-09
Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.
Inventor： Qingjun LAI , Yihua ZHU , Yong YUAN , Ping AN , Zhaokeng CAO
Abstract: A display panel and a display device are provided. The display panel includes a driving circuit. The driving circuit includes N levels of shift registers cascaded with each other, where N 2. A shift register of the N levels of shift registers includes: a first control unit, configured to receive an input signal and control a signal of a first node in response to a first clock signal; a second control unit, configured to receive a first voltage signal and a second voltage signal, and control a signal of a second node in response to the signal of the first node, the first clock signal, and a second clock signal; and a third control unit, configured to receive the first voltage signal and the second voltage signal, and control an output signal in response to the signal of the second node and a signal of the third node.
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公开(公告)号：US20220130322A1
公开(公告)日：2022-04-28
申请号：US17409339
申请日：2021-08-23
Applicant: Xiamen Tianma Micro-Electronics Co.,Ltd.
Inventor： Yong YUAN , Jieliang LI
IPC: G09G3/32
Abstract: A display panel and a display device are provided. The display panel includes a pixel circuit and a light-emitting element. The pixel circuit includes a driving module, a data-writing module, and a light-emitting controller. The driving module is configured to provide a driving current for the light-emitting element, and the driving module includes a driving transistor. The data-writing module is configured to selectively provide a data signal for the driving transistor. The light-emitting controller is configured to selectively allow the light-emitting element to enter a light-emitting stage. One end of the light-emitting controller is connected to a first power signal terminal for receiving a first power signal. The pixel circuit further includes a latch module and a first scanning signal line. The first scanning signal line is configured to receive a first scanning signal. The latch module is connected between a gate of the driving transistor and the first scanning signal line.
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公开(公告)号：US20200312886A1
公开(公告)日：2020-10-01
申请号：US16447044
申请日：2019-06-20
Applicant: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.
Inventor： Yong YUAN , Heeyol LEE
Abstract: A display panel includes a first flexible substrate, and a metal wiring layer located on the first flexible substrate. The metal wiring layer includes at least one first power-supply line. At least one binding region is disposed on the side of the first flexible substrate away from the metal wiring layer. The display panel also includes a thin-film transistor layer, located on the side of the metal wiring layer away from the first flexible substrate and including a plurality of first thin-film transistors. Each first thin-film transistor includes a first electrode electrically connected to the first power-supply line. The display panel further includes a first conductive layer, including a plurality of conductive sections. The plurality of conductive sections is located in the binding region, and the first power-supply line is electrically connected to at least one conductive section of the plurality of conductive sections.
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公开(公告)号：US20240063228A1
公开(公告)日：2024-02-22
申请号：US18384584
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 an 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. The first transistor further includes a third gate electrode. Along the direction perpendicular to the base substrate, a distance between the third gate electrode and the first active layer is D3, and D1
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公开(公告)号：US20230200136A1
公开(公告)日：2023-06-22
申请号：US18110157
申请日：2023-02-15
Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.
Inventor： Yong YUAN
IPC: H10K59/121 , H10K50/844 , H10K71/00
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.
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