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公开(公告)号：US20240272483A1
公开(公告)日：2024-08-15
申请号：US18023154
申请日：2022-05-26
发明人： Ran TAO , Haifeng XU , Yu SONG , Tao LIU , Aixia SANG
IPC分类号： G02F1/13357
CPC分类号： G02F1/133615 , G02B6/0031 , G02B6/0073 , G02B6/0088
摘要： A backlight module and a display apparatus. The backlight module includes: a back panel, including a base plate and a vertical plate connected with an edge of the base plate; the base plate is matched with the vertical plate to form an accommodation space; a light guide plate, located in the accommodation space and having a safety gap with the vertical plate of the back panel; and an optical film, located in the accommodation space and located on a side of the light guide plate away from the base plate. A surface of the light guide plate facing the optical film has a first positioning portion and a second positioning portion; the first positioning portion positions the optical film in a first direction, and the second positioning portion positions the optical film in a second direction. The first direction and the second direction are perpendicular to each other.
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公开(公告)号：US20230375777A1
公开(公告)日：2023-11-23
申请号：US18031030
申请日：2021-01-04
发明人： Yong MA , Haifeng XU , Ran TAO , Kaiwen WANG , Jing LI
IPC分类号： F21V8/00
CPC分类号： G02B6/0088
摘要： A backlight module and a display device. The backlight module includes: a back plate, wherein the back plate has a bottom plate and a plurality of side plates, the side plates cooperate with the bottom plate to form an accommodating space, and the side of each of the side plates facing the accommodating space is provided with a groove having an opening facing the accommodating space; and a mold frame, includes bezels in one-to-one correspondence with the plurality of side plates; in each group of a side plate and a bezel, the bezel includes a clamping part, a supporting part and a limiting part, the clamping part is located at a side of the limiting part away from the accommodating space, and is embedded into the groove to clamp with the groove.
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公开(公告)号：US20210191034A1
公开(公告)日：2021-06-24
申请号：US16999382
申请日：2020-08-21
发明人： Mengjie LI , Kaiwen WANG , Haifeng XU , Hui DONG , Aixia SANG
摘要： A backlight module and a display apparatus are provided. The backlight module includes a film sheet, including a first opening and a second opening; and a light guide plate, including a first limit boss located within the first opening and a second limit boss located within the second opening. The second limit boss limits a position of the film sheet in a first direction; the first limit boss limits the position of the film sheet in a second direction. In the second direction, a first interval between is between a portion of the film sheet that forms the second opening and the second limit boss; and the portion of the film sheet that forms the second opening includes two first sidewalls opposite to each other in the first direction.
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公开(公告)号：US20240264478A1
公开(公告)日：2024-08-08
申请号：US18021185
申请日：2022-03-28
发明人： Yong MA , Haifeng XU , Xiaochun SHI , Jinfeng ZHANG , Tao LIU
IPC分类号： F21V8/00
CPC分类号： G02F1/133317 , G02B6/0066 , G02B6/0088 , G02F2202/28
摘要： A backlight module includes a back plate, a plastic frame disposed on one side of the back plate and connected with the back plate, a light source assembly located on an inner side of the plastic frame, and a reflective sheet, a light guide plate, and an optical membrane group sequentially stacked and located on the inner side of the plastic frame; the light source assembly includes a circuit board and a light source disposed on a first side surface of the circuit board, and the light source is located at a first side edge of the light guide plate; the light guide plate includes a first surface facing the reflective sheet and a second surface facing away from the reflective sheet; a first annular step and a second annular step are provided on an end face of the plastic frame facing the back plate.
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公开(公告)号：US20230039801A1
公开(公告)日：2023-02-09
申请号：US17789033
申请日：2021-09-01
发明人： Qiang ZHANG , Haifeng XU , Hui DONG
IPC分类号： G02F1/13357 , G02F1/1333
摘要： A display module includes a display panel, a middle frame, a film assembly, a backlight source and a backplane. The middle frame includes sub-frames each including a body and a support portion. The backplane includes a substrate and flanges. The sub-frames include at least one first sub-frame. The body of the first sub-frame is provided with a protrusion and the protrusion abuts against a corresponding flange. In the thickness direction of the flange, the orthographic projection of the protrusion on the substrate does not completely cover the orthographic projection of the corresponding flange on the substrate. The backlight source and the film assembly are sequentially arranged on the substrate, and the film assembly is located between the support portions and the flanges; and in the thickness direction of the flanges, an expansion gap is reserved between the protrusions and the film assembly.
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公开(公告)号：US20220026626A1
公开(公告)日：2022-01-27
申请号：US17194228
申请日：2021-03-06
发明人： Kaiwen WANG , Haifeng XU , Yong MA
IPC分类号： F21V8/00
摘要： A display module and a display device are described. The display module includes a back plate; a light guide plate disposed on a side of the back plate; a frame including a first base part and a first bulge extending inward, where the first bulge has a first bottom surface, a first end surface, and a second bottom surface jointed in sequence, an end part of the light guide plate is received in a first accommodating cavity and has a first spacing relative to the first bottom surface; an optical film layer disposed on the side of the light guide plate facing away from the back plate, and an end part thereof is located in a second accommodating cavity and has a second spacing relative to the second bottom surface; the first spacing is smaller than the second spacing.
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公开(公告)号：US20210132282A1
公开(公告)日：2021-05-06
申请号：US16640171
申请日：2019-05-07
发明人： Fangfang WU , Zhen ZHANG , Jinfeng ZHANG , Haifeng XU
IPC分类号： F21V8/00
摘要： Provided is a backlight module and a display device. The backlight module includes a first optical structure provided in the first region of the light entering surface of the light guide plate and a plurality of second regions each located between two adjacent first regions. The first optical structure is configured to enable a part of light emitted by a corresponding light source to enter an inside of the light guide plate and reflect a part of light to the lamp bar. The second optical structure is configured to reflect light reaching the second optical structure back to the light entering surface of the light guide plate.
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公开(公告)号：US20240210759A1
公开(公告)日：2024-06-27
申请号：US17920529
申请日：2021-10-26
发明人： Ran TAO , Xiaochun SHI , Fei LING , Haifeng XU , Qingyi ZHUANG
IPC分类号： G02F1/13357
CPC分类号： G02F1/133615 , G02B6/0051 , G02B6/0053 , G02B6/0088
摘要： Provided is a backlight module, including: a backplate, a light guide plate and an optical film layer. The backplate includes a bottom plate and side plates. The bottom plate and the side plates forms an accommodating space. The light guide plate and the optical film layer are sequentially stacked on the bottom plate in the accommodating space. The backlight module includes a display area and a bezel area. The light guide plate includes a main body portion and a first limiting portion arranged on a side, facing the optical film layer, of the main body portion, at least part of the first limiting portion is located in the bezel area, the first limiting portion limits a position of the optical film layer; an orthographic projection of the first limiting portion on the bottom plate is at least partially located outside a side edge of the bottom plate.
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公开(公告)号：US20240069385A1
公开(公告)日：2024-02-29
申请号：US18272568
申请日：2021-02-07
发明人： Haifeng XU , Kaiwen WANG
IPC分类号： G02F1/13357 , G02F1/1335
CPC分类号： G02F1/133611 , G02F1/133607 , G02F1/133608 , G02F1/133605
摘要： An optical membrane, a backlight module and a display device are disclosed. The optical membrane includes a membrane body and at least two lugs, and the lugs are connected to two opposite sides of the membrane body and form an integral structure with the membrane body. Grooves are provided in connection lines between the lugs and the membrane body, and the grooves extend along the connection lines.
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公开(公告)号：US20220099884A1
公开(公告)日：2022-03-31
申请号：US17489589
申请日：2021-09-29
发明人： Haifeng XU , Ran TAO , Jinfeng ZHANG , Qingyi ZHUANG
IPC分类号： F21V8/00
摘要： A backlight assembly and a display device are provided in the present disclosure. The backlight assembly includes an optical lamination layer and a die-casting back plate. The die-casting back plate defines an accommodation space for accommodating the optical lamination layer, the die-casting back plate includes an inner surface and an outer surface arranged opposite to each other, the inner surface is a surface facing a bottom surface of the optical lamination layer, a recess region is arranged on the inner surface, and a plurality of rivets configured to assemble the die-casting back plate onto an object to be assembled is arranged on the outer surface. The plurality of rivets is located in a region corresponding to the recess region and spaced apart from a boundary of the recess region by a spacing.
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