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公开(公告)号：US20240274763A1
公开(公告)日：2024-08-15
申请号：US18561741
申请日：2021-05-27
Inventor： Enkai DONG , Liang SUN , Jiacheng QI
IPC: H01L33/54 , G02F1/1335 , G02F1/13357
CPC classification number: H01L33/54 , G02F1/133603 , G02F1/133612
Abstract: A backlight module comprises a driving backplate, which comprises a multiple pads; multiple light-emitting diodes, which are electrically connected to the pads; and multiple transparent protection structures, which are located on the sides of the multiple light-emitting diodes that are away from the driving backplate, wherein the transparent protection structures cover the light-emitting diodes, there is a first distance between the center of the orthographic projection of each transparent protection structure on the driving backplate and the center of the orthographic projection of each light-emitting diode on the driving backplate; and the length of the orthographic projection of each light-emitting diode on the driving backplate is a second distance, the width of the orthographic projection of each light-emitting diode on the driving backplate is a third distance, the ratio of the first distance to the second distance is less than or equal to 1:2-1:10.
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公开(公告)号：US20240274621A1
公开(公告)日：2024-08-15
申请号：US18042911
申请日：2022-02-25
Inventor： Zhenxing LUO , Junjie XIE , Bin XIANG , Yezhou TAN , Chengguo WANG
IPC: H01L27/12 , H01L25/075 , H01L25/16 , H01L33/46 , H01L33/62
CPC classification number: H01L27/1244 , H01L25/0753 , H01L25/167 , H01L33/46 , H01L33/62 , H01L2933/0025 , H01L2933/0066
Abstract: A driving backplane includes a substrate, pad groups and line groups. A line of each line group is connected to a pad of a pad group. At least one pad of a pad group and a line connected thereto define line hollowed-out regions. The line hollowed-out regions include a first line hollowed-out region and a second line hollowed-out region that are disposed on two sides of the pad(s) in a second direction. The driving backplane further includes a reflective layer covering a first surface of the substrate and the line groups. Each window region in the reflective layer includes a first region, a second region and a third region that are arranged in the second direction. The second region exposes a pad group and a pad spacer region corresponding to the pad group, and the first region and the third region expose portions of the first surface of the substrate.
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公开(公告)号：US20240251512A1
公开(公告)日：2024-07-25
申请号：US18016413
申请日：2022-01-07
Inventor： Shaofei GUO , Shipeng WANG , Zhonghua LI , Dongjia HAO , Yiping RUAN
CPC classification number: H05K5/0217 , H05K5/0021
Abstract: An assembly for a display module, a display module and a spliced display apparatus are disclosed. The assembly is used for assembling with one or more positioning posts, and includes: a support structure provided with a bearing surface and a mounting surface opposite to each other, wherein the bearing surface is used for bearing the display substrate; one or more fasteners on the mounting surface of the support structure, wherein an accommodating cavity is provided in each fastener and includes a first opening in a surface of the fastener away from the support structure; and one or more clamping modules, each of which is in a corresponding accommodating cavity and used for clamping a corresponding positioning post entering into a corresponding accommodating cavity through a corresponding first opening.
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44.发明公开公开(公告)号：US20240213422A1
公开(公告)日：2024-06-27
申请号：US17920017
申请日：2021-10-28
Inventor： Jiawei ZHAO , Junjie MA , Zhijun XIONG , Shanwei YANG , Yuanhao SUN , Yuanda LU , Xueqiao LI
CPC classification number: H01L33/60 , H01L33/56 , H01L33/62 , H01L2933/005 , H01L2933/0058
Abstract: A light emitting device and a preparation method therefor, and a light emitting substrate and a preparation method therefor are provided. The light emitting device includes an underlay substrate, a light emitting functional layer disposed on the underlay substrate, and a reflective layer disposed on the underlay substrate and covering at least part of the light emitting functional layer, the reflective layer includes a first material layer and a second material layer, the first material layer and the second material layer are stacked along a thickness direction of the underlay substrate, the first material layer includes an atomic crystal material, the first material layer is at one side of the second material layer away from the underlay substrate, and a surface of the first material layer away from the second material layer is formed as a surface of the reflective layer away from the underlay substrate.
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公开(公告)号：US20230343895A1
公开(公告)日：2023-10-26
申请号：US18019823
申请日：2022-02-10
Inventor： Pengjun CAO , Pei LI , Jinpeng LI , Jian LI , Teng ZHANG , Kangle CHANG , Zhaohui LI , Zhifu YANG
CPC classification number: H01L33/24 , H01L27/156 , H01L33/46 , H01L33/505 , H01L33/54 , H01L33/62
Abstract: A light emitting substrate, comprising a base substrate, a retaining wall disposed on the base substrate, and a plurality of light emitting diodes. The retaining wall defines a plurality of partitions on the base substrate, and at least one light emitting diode is provided in at least one partition.
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Patent Agency Ranking
46.发明授权公开(公告)号：US11676549B2
公开(公告)日：2023-06-13
申请号：US17252388
申请日：2020-05-25
Inventor： Mengmeng Wang , Xiurong Wang , Xiaomang Zhang , Wenhao Liu , Juanjuan Shi
CPC classification number: G09G3/3426 , G09G3/006 , G09G2320/0233 , G09G2330/12 , G09G2360/141 , G09G2360/16
Abstract: The embodiments of the present application disclose a method of controlling display of a display device, an apparatus thereof and a display apparatus. The display device includes a backlight unit and a display panel, wherein the backlight unit includes a plurality of backlight partitions, each of which is independently driven, and the display panel includes a plurality of display partitions in one-to-one correspondence with the backlight partitions. The method comprises: causing the display panel to display a test image, wherein each pixel of the test image has a same gray value; acquiring a luminance of each display partition of the display panel; determining a compensation coefficient according to the luminance of each display partition; adjusting backlight data of the backlight partition according to the compensation coefficient to obtain adjusted backlight data of each backlight partition; and providing the adjusted backlight data to the backlight unit for display by the display panel.
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公开(公告)号：US11630348B2
公开(公告)日：2023-04-18
申请号：US17837630
申请日：2022-06-10
Inventor： Pei Qin , Yutao Hao , Donglei Li , Hui Liu , Shuo Wang , Jiaxin Li , Ying Chen , Jie Gao , Honghao Yu
IPC: G02F1/1335 , G02F1/13357 , F21V8/00
Abstract: A backlight module and a display device are disclosed. The backlight module includes: a back plate (1); a middle frame (3) disposed on the back plate (1); a light-emitting substrate (2) disposed on the back plate (1) and in the middle frame (3), the light-emitting substrate (2) including a first light-emitting area (203) and a second light-emitting area (204) surrounding the first light-emitting area (203), and the second light-emitting area (204) being close to an edge of the light-emitting substrate (2); a light compensation structure (100) close to the edge of the light-emitting substrate (2), the light compensation structure (100) including one or more light conversion materials. The backlight module and the display device can improve the display effect.
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公开(公告)号：US11587506B2
公开(公告)日：2023-02-21
申请号：US17259594
申请日：2020-03-30
Inventor： Hong Liu , Qibing Gu , Lingyun Shi , Ming Chen , Xiurong Wang , Guofeng Hu , Mingjian Yu , Donghui Wang
IPC: G09G3/3233
Abstract: Pixel structure, driving method thereof and display device are disclosed. The pixel structure includes: light-emitting device having first electrode coupled to corresponding first voltage line. Driving chip includes: receiving circuit configured to decode first digital clock signal on first control line in display phase to obtain first address data and light emission data; address storage circuit configured to store reference address data before the display phase; data processing circuit configured to output PWM signal and current control signal corresponding to each light-emitting device according to the light emission data when the first address data is the same as the reference address data; current output circuit configured to output driving current according to the current control signal; and gating circuit configured to sequentially receive the PWM signal corresponding to each light-emitting device and transmit the driving current to the output terminal when the PWM signal is in active-level state.
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公开(公告)号：US11574936B2
公开(公告)日：2023-02-07
申请号：US17201198
申请日：2021-03-15
Inventor： Linhui Gong , Chao Liu , Haiwei Sun
Abstract: A display panel, a preparation method thereof, and a display device are disclosed. The display panel includes: a plurality of pixel units arranged in an array; a plurality of first signal lines extending in a first direction and arranged in a second direction; and a plurality of first connecting electrodes arranged in the second direction; where the first direction intersects with the second direction. The plurality of pixel units form m pixel rows arranged in sequence along the first direction and each extending along the second direction, where m is an integer greater than 1; and a projection of at least one pixel unit in an m-th pixel row on a plane perpendicular to the second direction and projections of the first connecting electrodes on the plane perpendicular to the second direction have an overlapped area.
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公开(公告)号：US20220413342A1
公开(公告)日：2022-12-29
申请号：US17837630
申请日：2022-06-10
Inventor： Pei QIN , Yutao HAO , Donglei LI , Hui LIU , Shuo WANG , Jiaxin LI , Ying CHEN , Jie GAO , Honghao YU
IPC: G02F1/13357
Abstract: A backlight module and a display device are disclosed. The backlight module includes: a back plate (1); a middle frame (3) disposed on the back plate (1); a light-emitting substrate (2) disposed on the back plate (1) and in the middle frame (3), the light-emitting substrate (2) including a first light-emitting area (203) and a second light-emitting area (204) surrounding the first light-emitting area (203), and the second light-emitting area (204) being close to an edge of the light-emitting substrate (2); a light compensation structure (100) close to the edge of the light-emitting substrate (2), the light compensation structure (100) including one or more light conversion materials. The backlight module and the display device can improve the display effect.
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