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公开(公告)号：US11923397B2
公开(公告)日：2024-03-05
申请号：US17056982
申请日：2020-10-20
Inventor： Macai Lu , Yong Fan , Minggang Liu , Nian Liu , Jiangbo Yao
CPC classification number: H01L27/156 , H01L33/62
Abstract: The present invention discloses a micro light emitting diode display substrate and a manufacturing method thereof. The substrate includes an underlay substrate, a thin film transistor and a micro light emitting diode disposed on a top surface of the underlay substrate and connected to each other, a first metal film layer disposed on a bottom surface of the underlay substrate and at least formed with fanout circuit pattern and a side printed bonding pad. The fanout circuit pattern is connected to the side printed bonding pad, the side printed bonding pad is connected to the thin film transistor through a side wire such that after the display substrate is assembled with a bezel, a top surface display pixel region can maximally approach the bezel, to achieve bezel-less effect.
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112.发明授权公开(公告)号：US11921387B2
公开(公告)日：2024-03-05
申请号：US17254923
申请日：2020-11-05
Inventor： Bangqing Xiao , Sen Xu
IPC: G02F1/1362 , G02F1/1345 , H01L27/12
CPC classification number: G02F1/136286 , G02F1/13454 , H01L27/124
Abstract: The present invention provides a display panel and a display device using the display panel. By connecting a plurality of second scan lines in parallel, resistance between output terminals of chips on film (COF) and first scan lines are reduced, and differences between output resistances of the COF corresponding to different first scan lines are reduced, so differences between signals in different first scan lines are reduced, and uneven display problems in existing display panels are solved.
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公开(公告)号：US20240072062A1
公开(公告)日：2024-02-29
申请号：US17988101
申请日：2022-11-16
Inventor： Kai HU , Fangmei Liu
IPC: H01L27/12
CPC classification number: H01L27/1222 , H01L27/1237
Abstract: The display panel includes a substrate and a plurality of thin film transistors disposed on the substrate. Each of the thin film transistors includes: a semiconductor layer on the substrate. The semiconductor layer includes a channel portion and conductor portions disposed on both sides of the channel portion. A gate electrode is defined with a first length, the channel portion is defined with a second length, and a ratio of the second length to the first length is greater than 0.7 and is less than or equal to 1.
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公开(公告)号：US20240065076A1
公开(公告)日：2024-02-22
申请号：US18325807
申请日：2023-05-30
Inventor： Siwei HU
IPC: H10K59/80 , G09G3/3266 , H10K71/00
CPC classification number: H10K59/873 , G09G3/3266 , H10K71/00 , H10K59/874 , H10K2102/331
Abstract: A display panel includes a substrate and an encapsulation cover plate which are arranged opposite to each other, a driving circuit layer and a light emitting device layer which are sequentially arranged on one side of the substrate close to the encapsulation cover plate, and a dam interposed between the substrate and the encapsulation cover plate. The display panel has a display area and a non-display area arranged around the display area. The light emitting device layer is located in the display area, the driving circuit layer is located in the display area and the non-display area, and the dam is located in the non-display area and arranged around the display area. The dam partially overlaps with the driving circuit layer located in the non-display area. A manufacturing method of the display panel is also provided.
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公开(公告)号：US11908983B2
公开(公告)日：2024-02-20
申请号：US17419731
申请日：2021-05-26
Inventor： Junling Liu
CPC classification number: H01L33/58 , H01L25/167 , H01L2933/0058
Abstract: The present application discloses a display panel and a manufacturing method thereof. The display panel manufacturing method includes forming an LED die including a sacrificial layer on an array substrate, and then coating black glue material on the array substrate. The black glue material covers the array substrate and a surface of the sacrificial layer away from the array substrate. Then, the black glue material and the sacrificial layer are heated, and the black glue material is cured to form a black glue layer such that the sacrificial layer is decomposed. The display panel and the manufacturing method thereof provided by the present application are for improving contrast of the display panel.
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Patent Agency Ranking
公开(公告)号：US20240055530A1
公开(公告)日：2024-02-15
申请号：US17898554
申请日：2022-08-30
Inventor： Chuanbao LUO
IPC: H01L29/786 , H01L29/66 , H01L25/16
CPC classification number: H01L29/78633 , H01L29/66969 , H01L25/167 , H01L27/124
Abstract: A thin film transistor array substrate and a display panel are provided. The array substrate includes a substrate, a first metal layer, a first buffer layer, a second metal layer, a second buffer layer, an active layer, a gate insulating layer, a third metal layer, a passivation layer, and a fourth metal layer. By arranging the fourth metal layer on the passivation layer, an influence of water vapor in the environment on the array substrate is blocked, thereby improving a product yield and a reliability of the display panel.
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公开(公告)号：US20240055444A1
公开(公告)日：2024-02-15
申请号：US17605072
申请日：2021-09-30
Inventor： Xingqiang DAI
IPC: H01L27/12 , G02F1/1368 , G02F1/1362
CPC classification number: H01L27/1248 , H01L27/1288 , G02F1/1368 , G02F1/136227
Abstract: The present application discloses an array substrate, a method of manufacturing the same, and a display panel. The method of manufacturing the array substrate includes: providing a substrate; sequentially stacking an active layer, a gate insulating layer, and a gate on the substrate and patterning the active layer, the gate insulating layer, and the gate with a photomask to form an active portion, a gate insulating portion, and a gate portion stacked in sequence; and providing an interlayer dielectric layer on the substrate, the active portion, the gate insulating portion, and the gate portion.
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公开(公告)号：US20240055438A1
公开(公告)日：2024-02-15
申请号：US17440186
申请日：2021-08-03
Inventor： Chuanbao Luo
CPC classification number: H01L27/124 , H01L27/1288 , H01L25/167
Abstract: The present application discloses a method of manufacturing an array substrate, an array substrate, and a display panel. The present application saves one photolithography process by patterning a first metal layer, a buffer layer, and a semiconductor layer in a same manufacturing process, and also saves one photolithography process by manufacturing a third electrode plate, a drain electrode, a gate electrode, a source electrode, and a connection portion in a same manufacturing process. Therefore, the method of manufacturing the array substrate provided by the present application can reduce two photolithography processes, which is beneficial to improve a production efficiency of the array substrate.
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公开(公告)号：US20240054933A1
公开(公告)日：2024-02-15
申请号：US18175507
申请日：2023-02-27
Applicant: Huizhou China Star Optoelectronics Display Co., LTD. , SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
IPC: G09G3/20
CPC classification number: G09G3/2003 , G09G2300/0408 , G09G2300/0452 , G09G2320/0242
Abstract: The present disclosure provides a display panel. The display panel includes: a substrate; a pixel driving circuit disposed on the substrate, the pixel driving circuit comprises driving sub-circuits; and a pixel layer disposed on the substrate, the pixel layer comprises pixel units arranged in an array, each of the pixel units comprises a red pixel, a green pixel, a first blue pixel, and a second blue pixel; each of the driving sub-circuits is in one-to-one correspondence with each color pixel, and a light transmission band of the first blue pixel is different from a light transmission band of the second blue pixel; in a first display mode, the pixel driving circuit drives the red pixels, the green pixels, and the first blue pixels to light up; in a second display mode, the pixel driving circuit drives the red pixels, the green pixels, and the second blue pixels to light up.
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公开(公告)号：US11903260B2
公开(公告)日：2024-02-13
申请号：US16969565
申请日：2020-06-03
Inventor： Yifei Bing
IPC: H10K59/122 , H10K59/35
CPC classification number: H10K59/122 , H10K59/352
Abstract: The present disclosure provides a display panel, including a first pixel group, a second pixel group, and a third pixel group with different colors. The first pixel group and the second pixel group are sequentially arranged along a first direction, and both include four sub-pixels arranged in a matrix. The third pixel group is adjacent to the first pixel group and the second pixel group, and the third pixel group includes at least two third sub-pixels sequentially arranged along the first direction. A demand of products for printing accuracy requirement of a printing equipment can be reduced under a premise that a number of high pixels per inch (PPI) remains unchanged.
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