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公开(公告)号：US20210072594A1
公开(公告)日：2021-03-11
申请号：US16769618
申请日：2020-03-04
Inventor： Peng ZHANG , Guanghui LIU , Chao WANG
IPC: G02F1/13357 , G02F1/1333 , G02F1/1335
Abstract: A display device including a display panel and a backlight module are provided. The backlight module includes a backlight unit having a backlight hole; a light guide ring disposed inside the backlight hole, wherein the light guide ring comprises a light receiving surface provided away from the display panel and a light emitting surface provided near the display panel, and the light guide ring is configured to direct light beams to a display panel area corresponding to the backlight hole; and a light source component configured to provide a light source for the light guide ring.
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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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公开(公告)号：US20240038130A1
公开(公告)日：2024-02-01
申请号：US17430058
申请日：2021-06-08
Inventor： Chao TIAN , Yanqing GUAN , Guanghui LIU , Fei AI
IPC: G09G3/20
CPC classification number: G09G3/2092 , G09G2310/0267 , G09G2300/043
Abstract: The present application provides a display panel and a display device. An N-th auxiliary unit is arranged in a display area of the display panel. An output end of the N-th auxiliary unit is connected to an N-th scan line. By connecting the auxiliary unit arranged in the display area to the corresponding scan line, a falling edge of a scan signal transmitted in the scan line can have sharp falling or a rising edge of the scan signal can have sharp rising, which can alleviate a signal distortion problem caused by transmission delay in the display area.
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公开(公告)号：US20210405448A1
公开(公告)日：2021-12-30
申请号：US16764292
申请日：2020-02-28
Inventor： Shaojun HOU , Xindong MEI , Chao WANG , Guanghui LIU , Zhifu LI
IPC: G02F1/13357 , G02F1/1335
Abstract: A display device is provided to include a backlight module and a display module disposed on the backlight module. The backlight module is provided with a first via hole, and a lighting member is disposed in the first via hole, and a maximum cross-section of the first via hole corresponds to a lighting area of the display device. A first light source and a light guide member are further disposed in the lighting area, and the first light source and the light guide member surround the lighting member.
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Patent Agency Ranking
公开(公告)号：US20210405422A1
公开(公告)日：2021-12-30
申请号：US16981959
申请日：2020-07-22
Inventor： Yantao LU , Zhifu LI , Jianfeng YUAN , Guanghui LIU , Chao WANG
IPC: G02F1/1345 , G02F1/1362 , H05K1/18
Abstract: A display panel and a display device are provided. The display panel includes an array substrate and a color filter substrate. A plurality of drive chips are arranged at intervals and sequentially connected in series in a stepped region of the array substrate. The drive chip includes an input pin and an output pin. The lower frame of the display screen may be reduced, and the screen occupancy ratio of the display screen may be increased by disposing the input pins of the drive chip on one edge of the drive chip, and disposing the flexible circuit board on at least one edge of two edges of the drive chip.
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公开(公告)号：US20210405407A1
公开(公告)日：2021-12-30
申请号：US16756323
申请日：2020-01-03
Inventor： Yuan SUN , Xindong MEI , Chao WANG , Guanghui LIU , He JIANG , Quan TANG , Zhifu LI
IPC: G02F1/1347 , G02F1/1335 , G02F1/137 , G02F1/1339 , G02F1/1343
Abstract: The present application provides a liquid crystal display panel, a liquid crystal display device, and an electronic device. By removing portions of a first polarizer and a second polarizer of the liquid crystal display panel that corresponds to a light-transmitting area, light can be transmitted in the light-transmitting area of the liquid crystal display panel. In addition, by setting a first liquid crystal layer in the light-transmitting area of the liquid crystal display panel to allow a portion of the liquid crystal display panel corresponding to the light-transmitting area in a display state.
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公开(公告)号：US20210215974A1
公开(公告)日：2021-07-15
申请号：US16763568
申请日：2020-03-04
Inventor： Xindong MEI , Shaojun HOU , Chao WANG , Guanghui LIU
IPC: G02F1/13357 , G02F1/1335
Abstract: The present invention provides a display panel and a display device. The display panel includes a display unit and a backlight module, wherein the display panel includes a main display area and a additional function area. The backlight module includes a first light source block providing a light source for the main display area, and a second light source block providing a light source for the functional additional area.
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公开(公告)号：US20240331603A1
公开(公告)日：2024-10-03
申请号：US18740677
申请日：2024-06-12
Inventor： Mingyue LI , Chao TIAN , Yanqing GUAN , Fei AI , Guanghui LIU
IPC: G09G3/20
CPC classification number: G09G3/20 , G09G2310/0267 , G09G2310/0283
Abstract: The present application discloses a gate drive circuit and a display device. The gate drive circuit includes a plurality of cascaded gate drive units, in which one of the gate drive units includes a first layout, an input module and a pull-up module. By receiving a potential changeable signal by the gate of a first transistor or the gate of a second thin-film transistor, it can alleviate or avoid current leakage caused when a first node keeps at a same voltage level for a long time, thereby improving the stability of the potential of the first node.
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公开(公告)号：US20230274701A1
公开(公告)日：2023-08-31
申请号：US17622633
申请日：2021-12-15
Inventor： Chao TIAN , Yanqing GUAN , Guanghui LIU , Fei AI
IPC: G09G3/3266 , G09G3/36 , G06F3/041
CPC classification number: G09G3/3266 , G09G3/3674 , G06F3/0412 , G06F3/04166 , G06F3/0418 , G09G2310/08 , G09G2354/00
Abstract: A gate driving circuit and a display device are provided. The gate driving circuit includes electrically connected multi-stage driving units. The driving unit of each stage includes an input module, an output module electrically connected with the input module, a pull-down module electrically connected with the output module, and a pull-down control module electrically connected with the pull-down module. The output module is electrically connected to a stage transmission signal output terminal, and the pull-down module is electrically connected to a first control signal terminal.
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