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公开(公告)号：US20240119883A1
公开(公告)日：2024-04-11
申请号：US17976803
申请日：2022-10-30
Inventor： Haiming CAO , Chao TIAN , Fei AI , Guanghui LIU
CPC classification number: G09G3/2014 , G09G3/32 , G09G2300/0842 , G09G2310/0264 , G09G2310/08 , G09G2320/0242 , G09G2320/0633
Abstract: A pixel driving circuit and a display panel are provided. The pixel driving circuit includes a data writing module, a data conversion module, and a current driving module. The data writing module is electrically connected to a first node and configured to transmit a data signal to the first node. The data conversion module is electrically connected to the first node, a second node, and a modulation signal source, and configured to generate a current driving control signal, and to output the current driving control signal to the second node. The current driving module is electrically connected to the second node, a light-emitting control wire, and a light-emitting device, and configured to control the light-emitting device to emit light. An effective pulse of the current driving control signal has different pulse widths in different gray-scale states.
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公开(公告)号：US20240005829A1
公开(公告)日：2024-01-04
申请号：US17617608
申请日：2021-10-29
Inventor： Haiming CAO , Yanqing GUAN , Chao TIAN , Fei AI , Guanghui LIU , Zhifu LI
IPC: G09G3/20
CPC classification number: G09G3/20 , G09G2310/0267 , G09G2330/021
Abstract: A gate driving circuit and a display panel are disclosed. A pull-up control module and a pull-down module of each stage gate driving unit are connected to a first node. A thin film transistor in the pull-up control module and/or pull-down module that is connected to the first node is an oxide thin film transistor, such that a leakage current of the first node is reduced due to the advantage of the small off-state leakage current of the oxide thin film transistor. Therefore, the voltage level of the first node can remain stable during a pull-up stage and a touch suspension stage.
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公开(公告)号：US20230282021A1
公开(公告)日：2023-09-07
申请号：US17598517
申请日：2021-07-01
Inventor： Dewei SONG , Fei AI , Jiyue SONG
CPC classification number: G06V40/1306 , H01L27/1288 , H01L27/1222 , H01L27/127 , G06V40/1318
Abstract: An array substrate, a manufacturing method thereof, and a display device are provided. The array substrate includes a substrate, a metal electrode layer, a first passivation layer, a first electrode layer, a photosensitive semiconductor layer, a second passivation layer, and a second electrode layer. The first electrode layer and the photosensitive semiconductor layer are both disposed on a surface of the first passivation layer away from the metal electrode layer.
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公开(公告)号：US20200380927A1
公开(公告)日：2020-12-03
申请号：US16613423
申请日：2019-10-18
Inventor： Fei AI
IPC: G09G3/36
Abstract: The present disclosure proposes a multiplex LCD driving circuit. By setting a new circuit structure, adjacent display pixels of the same color are opposite in polarity in the same row of subpixels. In this way, half of the data lines are applied with positive polarity voltage and half of the data line are applied with negative polarity voltage. Capacitance couplings between the data lines and the common electrodes are balanced off each other, which resolves the display picture abnormality caused by the coupling capacitance between the data line and the common electrode in the LTPS-LCD product.
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35.发明申请公开(公告)号：US20200249519A1
公开(公告)日：2020-08-06
申请号：US16475379
申请日：2019-03-14
Inventor： Fei AI , Peng LU , Chengzhi LUO
IPC: G02F1/1335 , G02F1/1368 , G02F1/1333 , H01L27/12
Abstract: A manufacturing method for a liquid crystal display panel is disclosed and includes a step forming a refractive index gradient layer, a step forming a gate electrode insulation layer, a step forming a first interlayer dielectric layer, and a step forming a second interlayer dielectric layer. The step forming a refractive index gradient layer includes depositing a silicon nitride layer on a glass substrate, depositing the refractive index gradient layer on the silicon nitride layer. The refractive index gradient layer is silicon oxide, and includes a lower refractive index decremental layer and a lower refractive index constant layer. A refractive index of the decremental layer gradually decreases along a direction away from the silicon nitride layer, the lower refractive index constant layer is on the lower refractive index decremental layer. A reflection rate between light in film layers can be lowered to improve light transmittance of the display panel.
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Patent Agency Ranking
公开(公告)号：US20250133826A1
公开(公告)日：2025-04-24
申请号：US17910800
申请日：2022-08-30
Inventor： Fei AI , Chengzhi LUO
IPC: H10D86/40
Abstract: The present disclosure provides a display panel and a mobile terminal, the display panel includes a substrate and a thin film transistor layer, the thin film transistor layer including a semiconductor layer, an insulating layer and a first metal layer, the insulating layer being disposed on the substrate and the semiconductor layer and covering the semiconductor layer, the first metal layer being disposed on the insulating layer, the insulating layer including at least one via hole, the first metal layer being connected to the semiconductor layer through the via hole, and an included angle between a sidewall of the via hole and a bottom surface of the insulating layer being greater than or equal to 85 degrees and less than or equal to 90 degrees.
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公开(公告)号：US20250089368A1
公开(公告)日：2025-03-13
申请号：US18567964
申请日：2023-09-26
Inventor： Huihui ZHAO , Chunpeng ZHANG , Fei AI , Jianfeng YUAN , Zhifu LI
IPC: H01L27/12 , H01L29/66 , H01L29/786
Abstract: A semiconductor device, a display panel, and a chip are provided in embodiments of the present application. The semiconductor device of the embodiments of the present application stacks a first conductor portion, a channel portion, and a second conductor portion to form a vertical active structure layer to realize a narrow channel. A growth direction of crystal grains arranged in the channel potion is consistent with a moving direction of carriers to provide a single crystal-like channel.
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公开(公告)号：US20250076722A1
公开(公告)日：2025-03-06
申请号：US18951716
申请日：2024-11-19
Inventor： Jiyue SONG , Fei AI
IPC: G02F1/1368 , G02F1/133 , H01L27/12
Abstract: A display panel includes an array substrate. The array substrate includes: a thin-film transistor (TFT) device, the TFT device including a first active pattern; and a photosensitive device, the photosensitive device including a first electrode, a second electrode, a connector electrode, and a second active pattern. The first electrode, the second electrode, the connector electrode, and the second active pattern constitute a vertical heterojunction structure.
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公开(公告)号：US20250072093A1
公开(公告)日：2025-02-27
申请号：US17925002
申请日：2022-11-07
Inventor： Zhifu LI , Guanghui LIU , Fei AI , Dewei SONG , Zhuang LI
IPC: H01L29/45 , H01L29/49 , H01L29/786
Abstract: A display panel is provided. The display panel includes a substrate and includes a first ohmic contact structure, a first boss, a second ohmic contact structure, a semiconductor structure, and a gate which are stacked on the substrate. The first boss includes at least one sidewall. By arranging the semiconductor structure on the sidewall of the first boss, a length of a channel can be shortened by using an existing technology, and a dimension of a thin film transistor can be reduced, so that an integration level of the thin film transistor in the display panel can be improved.
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公开(公告)号：US20240194792A1
公开(公告)日：2024-06-13
申请号：US18086890
申请日：2022-12-22
Inventor： Zhifu LI , Guanghui LIU , Fei AI , Dewei SONG , Zhuang LI
IPC: H01L29/786 , H01L29/417
CPC classification number: H01L29/78696 , H01L29/41733
Abstract: The present application provides a thin film transistor substrate and an electronic device. The thin film transistor substrate includes: a substrate; a boss including an undercut structure, the undercut structure is located on a side wall of the boss; a filler located in the undercut structure; and an active layer located on the boss and the substrate, the active layer includes a channel, and the channel covers the undercut structure and the filler.
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