Display module having magnetic attraction structure and bonding portions and display device
A display module includes a display panel, a backplane, a magnetic attraction structure and a plurality of bonding portions; the display panel has a light exit surface and a back surface opposite to the light exit surface; the backplane is disposed on a side of the display panel away from the light exit surface; the magnetic structure is disposed between the display panel and the backplane, and the magnetic structure is configured to attract and fix the display panel and the backplane; the plurality of bonding portions are disposed between the display panel and the backplane, and the plurality of bonding portions are spaced apart; the plurality of bonding portions are configured to bond the display panel and the backplane.
1. A display module, comprising:
a display panel having a light exit surface and a back surface opposite to the light exit surface;
a backplane disposed at a side of the display panel away from the light exit surface;
a magnetic attraction structure disposed between the display panel and the backplane, the magnetic attraction structure being configured to attract and fix the display panel and the backplane; and
a plurality of bonding portions disposed between the display panel and the backplane, wherein the plurality of bonding portions are spaced apart, and are configured to bond the display panel to the backplane;
wherein the backplane is provided with a plurality of through holes, and each bonding portion is disposed at an edge of a corresponding through hole close to the display panel;
orthographic projection of the magnetic attraction structure on the display panel does not overlap with orthographic projections of the plurality of bonding portions on the display panel;
the display module has a central region and an edge region surrounding the central region; the magnetic attraction structure includes at least one first magnetic attraction component and at least one second magnetic attraction component, the at least one first magnetic attraction component is disposed in the central region, and the at least one second magnetic attraction component is disposed in the edge region; and a magnetic attraction force of the at least one first magnetic attraction component is less than a magnetic attraction force of the at least one second magnetic attraction component;
the at least one second magnetic attraction component includes a plurality of second magnetic attraction components that are spaced apart, and a material of the plurality of second magnetic attraction components includes metal;
the edge region includes two first edge sub-regions disposed on two opposite sides of the central region in a first direction and two second edge sub-regions disposed on two opposite sides of the central region in a second direction; the first direction is a direction in which a side of the display panel extends, the second direction is a direction in which another side of the display panel extends, and the side and the another side are two adjacent sides of the display panel;
the plurality of second magnetic attraction components are divided into a first group of magnetic attraction components and a second group of magnetic attraction components, and each of the first group of magnetic attraction components and the second group of magnetic attraction components includes second magnetic attraction components; the first group of magnetic attraction components is disposed in the two first edge sub-regions, and the second group of magnetic attraction components is disposed in the two second edge sub-regions;
the backplane is a metal backplane; and the first group of magnetic attraction components is fixedly disposed on the display panel, and the second group of magnetic attraction components is fixedly disposed on the backplane; and
the display module further includes:
two auxiliary magnetic attraction components, one of the two auxiliary magnetic attraction components being disposed in one second edge sub-region, and another of the two auxiliary magnetic attraction components being disposed in another second edge sub-region; and
a second bonding layer having two bonding surfaces, one of the two bonding surfaces being bonded to the display panel, and another of the two bonding surfaces being bonded to the two auxiliary magnetic attraction components,
wherein orthogonal projections, on the display panel, of all second magnetic attraction components in the second group of magnetic attraction components in each second edge sub-region are within an orthogonal projection, on the display panel, of an auxiliary magnetic attraction component in the second edge sub-region; and the auxiliary magnetic attraction component is configured to be magnetically attracted to all second magnetic attraction components in the second edge sub-region.
2. The display module according to claim 1 , wherein the plurality of bonding portions are disposed in the edge region.
3. The display module according to claim 1 , wherein the at least one first magnetic attraction component is made of a flexible material;
each first magnetic attraction component is of a plate-shaped structure; and
the at least one first magnetic attraction component includes a plurality of first magnetic attraction components, and the plurality of first magnetic attraction components are arranged in an array.
4. The display module according to claim 1 , wherein the at least one first magnetic attraction component is fixedly disposed on the backplane.
5. The display module according to claim 4 , further comprising a first bonding layer having two bonding surfaces, one of the two bonding surfaces being bonded to the backplane, and another of the two bonding surfaces being bonded to the at least one first magnetic attraction component.
6. The display module according to claim 1 , wherein the two auxiliary magnetic attraction components are both metal sheets.
7. The display module according to claim 1 , wherein the plurality of bonding portions are located between the two auxiliary magnetic attraction components and the backplane.
8. The display module according to claim 1 , wherein the backplane is a curved backplane; and
the first direction is parallel to a direction perpendicular to an uncurved side of the curved backplane.
9. The display module according to claim 1 , wherein a material of the plurality of bonding portions includes a neutral transparent glass adhesive.
10. The display module according to claim 1 , further comprising an insulating sheet disposed on the backplane, wherein the back surface of the display panel has a placement region configured to provide a driving circuit board, and the placement region is located within an orthogonal projection of the insulating sheet on the back surface of the display panel.
11. A display device, comprising a housing and the display module according to claim 1 , the display module being disposed in the housing.
12. A display module, comprising:
a display panel having a light exit surface and a back surface opposite to the light exit surface;
a backplane disposed at a side of the display panel away from the light exit surface;
a magnetic attraction structure disposed between the display panel and the backplane, the magnetic attraction structure being configured to attract and fix the display panel and the backplane; and
a plurality of bonding portions disposed between the display panel and the backplane, wherein the plurality of bonding portions are spaced apart, and are configured to bond the display panel to the backplane;
wherein the backplane is provided with a plurality of through holes, and each bonding portion is disposed at an edge of a corresponding through hole close to the display panel;
orthographic projection of the magnetic attraction structure on the display panel does not overlap with orthographic projections of the plurality of bonding portions on the display panel;
the display module has a central region and an edge region surrounding the central region; the magnetic attraction structure includes at least one first magnetic attraction component and at least one second magnetic attraction component, the at least one first magnetic attraction component is disposed in the central region, and the at least one second magnetic attraction component is disposed in the edge region; and a magnetic attraction force of the at least one first magnetic attraction component is less than a magnetic attraction force of the at least one second magnetic attraction component;
the at least one second magnetic attraction component includes a plurality of second magnetic attraction components that are spaced apart, and a material of the plurality of second magnetic attraction components includes metal;
the edge region includes two first edge sub-regions disposed on two opposite sides of the central region in a first direction and two second edge sub-regions disposed on two opposite sides of the central region in a second direction; the first direction is a direction in which a side of the display panel extends, the second direction is a direction in which another side of the display panel extends, and the side and the another side are two adjacent sides of the display panel;
the plurality of second magnetic attraction components are divided into a first group of magnetic attraction components and a second group of magnetic attraction components, and each of the first group of magnetic attraction components and the second group of magnetic attraction components includes second magnetic attraction components; the first group of magnetic attraction components is disposed in the two first edge sub-regions, and the second group of magnetic attraction components is disposed in the two second edge sub-regions;
the first group of magnetic attraction components and the second group of magnetic attraction components are both fixedly disposed on the backplane; and
the display module further includes:
two auxiliary magnetic attraction components, one of the two auxiliary magnetic attraction components being disposed in one second edge sub-region, and another of the two auxiliary magnetic attraction components being disposed in another second edge sub-region; and
a second bonding layer having two bonding surfaces, one of the two bonding surfaces being bonded to the display panel, and another of the two bonding surfaces being bonded to the two auxiliary magnetic attraction components, wherein orthogonal projections, on the display panel, of all second magnetic attraction components in the second group of magnetic attraction components in each second edge sub-region are within an orthogonal projection, on the display panel, of an auxiliary magnetic attraction component in the second edge sub-region; and
the auxiliary magnetic attraction component is configured to be magnetically attracted to all second magnetic attraction components in the second edge sub-region.
13. The display module according to claim 12 , further comprising:
two auxiliary connection structures, one of the two auxiliary connection structures being disposed in one first edge sub-region, and another of the two auxiliary connection structures being disposed in another first edge sub-region; and
a third bonding layer having two bonding surfaces, one of the two bonding surfaces being bonded to the display panel, and another of the two bonding surfaces being bonded to the two auxiliary connection structures, wherein orthogonal projections, on the display panel, of all second magnetic attraction components in the first group of magnetic attraction components in each first edge sub-region are within an orthogonal projection, on the display panel, of an auxiliary connection structure in the first edge sub-region; and the auxiliary connection structure is configured to be magnetically attracted to all second magnetic attraction components in the first edge sub-region.