CN209946590U - Display device, backlight module and spliced screen - Google Patents
Display device, backlight module and spliced screen Download PDFInfo
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- CN209946590U CN209946590U CN201920670615.3U CN201920670615U CN209946590U CN 209946590 U CN209946590 U CN 209946590U CN 201920670615 U CN201920670615 U CN 201920670615U CN 209946590 U CN209946590 U CN 209946590U
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- guide structure
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Abstract
The utility model discloses a display device, backlight unit and concatenation screen belongs to and shows technical field. The display device includes: backlight unit, display device and adhesive linkage. The backlight module comprises: optical component, framework and light guide structure, this framework includes: the light guide structure comprises a bearing table for bearing the optical component and a supporting table connected with the bearing table, wherein the light guide structure can be arranged on the bearing table. The supporting table has a first supporting surface for supporting the display panel, and the light guide structure has a second supporting surface for supporting the display panel. The backlight module does not need to be provided with a clamping component, the assembly of the display panel and the backlight module can be completed through the bonding of the first supporting surface of the supporting table in the frame body and the bonding of the second supporting surface of the light guide structure and the display panel, the width of the frame of the display device is approximately the same as that of the non-display area in the display panel, and the width of the frame of the display device is effectively reduced.
Description
Technical Field
The utility model relates to a show technical field, in particular to display device, backlight unit and concatenation screen.
Background
In order to improve the comfort of the user using the display device, a narrow-bezel display device with a large screen size and a narrow bezel has appeared. In the related art, the display device may generally include: backlight unit and liquid crystal display panel, this backlight unit's kind can include the backlight unit of straight following formula and the backlight unit of side income formula, and wherein, the backlight unit of straight following formula prepares the display device of narrow frame more easily.
A conventional direct-type backlight module may generally include: optical component (also called optical film), lamp plate, framework and backplate, this optical component and lamp plate stack setting about usually, the framework is used for parcel optical component and lamp plate, and the backplate is used for supporting the lamp plate. In order to assemble the backlight module and the liquid crystal display panel, a clamping component (e.g., a component having a clamping groove) needs to be clamped with an edge of the liquid crystal display panel, and after the clamping component is clamped with the liquid crystal display panel, the clamping component needs to be fixedly connected with the frame body (e.g., the clamping component and the frame body can be fixedly connected by using a fixing screw) to assemble the backlight module and the liquid crystal display panel.
In order to guarantee the firmness of the assembly of the backlight module and the liquid crystal display panel, when the clamping part is required to be guaranteed to be clamped with the liquid crystal display panel, the width of the clamped part in the liquid crystal display panel is large, and the width of a frame in the display device is wide.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a display device, backlight unit and concatenation screen. The problem that the width of a frame in a display device in the prior art is wide can be solved, and the technical scheme is as follows:
in a first aspect, there is provided a display device comprising:
a display panel;
an adhesive layer;
backlight unit, backlight unit includes: an optical component, a frame body and a light guide structure,
the frame body includes: a bearing table with a bearing surface and a supporting table connected with the bearing surface, wherein the supporting table is provided with a first supporting surface, the bearing surface is used for bearing the optical component,
the light guide structure is arranged on the bearing surface and is positioned between the optical component and the support table, and the light guide structure is provided with a second support surface;
the display panel is bonded with the first supporting surface and the second supporting surface in the backlight module through the bonding layer.
Optionally, the supporting table is connected to the light guide structure.
Optionally, the light guide structure includes: annular leaded light strip.
Optionally, the light guide structure includes: four light guide bars, four light guide bars are around the optical component sets up.
Optionally, the first supporting surface is coplanar with the second supporting surface.
Optionally, a light condensing structure is disposed on a side of the light guide structure away from the carrying table.
Optionally, the light-concentrating structure includes: a plurality of prisms arranged in an array.
Optionally, be close to among the light-directing structure be provided with the joint arch on one side of plummer, the plummer have with the joint groove that the bellied shape of joint matches, the joint arch with joint groove joint.
Optionally, the thickness of the support table is smaller than or equal to the width of the non-display area in the display panel.
Optionally, the thickness of the supporting table is equal to the width of the light guide structure, and the thickness direction of the supporting table is parallel to the width direction of the light guide structure.
Optionally, the material of the light guide structure includes: at least one of polycarbonate, polymethyl methacrylate, and a glass material.
Optionally, the material of the adhesive layer includes: and (3) optical glue.
Optionally, the optical component includes: and the diffusion plate, the lower prism sheet, the upper prism sheet and the diffusion sheet are arranged in a superposition manner along the direction far away from the bearing surface.
Optionally, the backlight module further includes: the lamp panel is fixedly connected with the frame body, and the lamp panel is arranged on the backboard.
In a second aspect, there is provided a display device comprising:
a display panel;
an adhesive layer;
backlight unit, backlight unit includes: optical component, framework and light guide structure, the framework includes: the bearing table is provided with a bearing surface, the bearing surface is used for bearing the optical component, the light guide structure is arranged on the bearing surface, and the light guide structure is provided with a second supporting surface;
the display panel is bonded with a second supporting surface in the backlight module through the bonding layer.
Optionally, the light guide structure further has two side surfaces adjacent to the second supporting surface, and the backlight module further includes: and the light shading adhesive tape is arranged on the side surface of the light guide structure, which is far away from the optical component.
In a third aspect, a backlight module is provided, which includes:
an optical component, a frame body and a light guide structure;
the frame body includes: the optical component fixing device comprises a bearing table with a bearing surface and a supporting table connected with the bearing surface, wherein the supporting table is provided with a first supporting surface, and the bearing surface is used for bearing the optical component;
the light guide structure is arranged on the bearing surface and is positioned between the optical component and the support table, and the light guide structure is provided with a second support surface.
In a fourth aspect, a tiled screen is provided, comprising: a plurality of tiled display devices, each of the display devices comprising: the display device according to any one of the first aspect or the second aspect.
The embodiment of the utility model provides a beneficial effect that technical scheme brought is:
the display device includes: backlight unit, display device and adhesive linkage. The backlight module comprises: optical component, framework and light guide structure, this framework includes: the light guide structure comprises a bearing table for bearing the optical component and a supporting table connected with the bearing table, wherein the light guide structure can be arranged on the bearing table. The supporting table has a first supporting surface for supporting the display panel, and the light guide structure has a second supporting surface for supporting the display panel. The backlight module does not need to be provided with a clamping component, the assembly of the display panel and the backlight module can be completed through the bonding of the first supporting surface of the supporting table in the frame body and the bonding of the second supporting surface of the light guide structure and the display panel, the width of the frame of the display device is approximately the same as that of the non-display area in the display panel, and the width of the frame of the display device is effectively reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a display device according to an embodiment of the present invention;
FIG. 2 is a perspective view of a backlight module in the display device shown in FIG. 1;
fig. 3 is an effect diagram when a display panel in the display device shown in fig. 1 displays a screen;
fig. 4 is an effect diagram of light transmission in the light guide structure according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of another display device according to an embodiment of the present invention;
FIG. 6 is an effect diagram of light transmission in the light guiding structure shown in FIG. 5;
fig. 7 is a schematic structural diagram of another display device according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a display device according to another embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a display device according to an embodiment of the present invention. The display device may include: a backlight module 100, a display panel 200 and an adhesive layer 300.
The backlight module 100 may include: optical component 10, frame 20 and light guide structure 30.
To clearly see the structure of the backlight module 100, please refer to fig. 2, and fig. 2 is a perspective view of the backlight module in the display device shown in fig. 1.
The frame body 20 may include: a stage 21 and a support 22 connected to the stage 21. The bearing table 21 has a bearing surface 21a, and the bearing surface 21a is configured to bear the optical component 10; the support table 22 has a first support surface 22a, and the first support surface 22a is configured to carry the display panel 200. Illustratively, the supporting platform 22 further has a first supporting side 22b connected to the first supporting side 22a, and the first supporting side 22b can be connected to the bearing surface 21a of the bearing platform 21.
The light guide structure 30 may be disposed on the carrying surface 21a of the carrying platform 21, and the light guide structure 30 is located between the carrying platform 21 and the optical component 10. The light guide structure 30 has a second support surface 30a for supporting the display panel 100.
In the embodiment of the present invention, the display panel 100 can be bonded to the first supporting surface 22a and the second supporting surface 30a of the backlight module 100 through the adhesive layer 300, so as to complete the assembly of the display panel 200 and the backlight module 100. Optionally, the material of the adhesive layer 300 may be an adhesive material with a light transmitting function, for example, the material of the adhesive layer 300 may include: and (3) optical glue.
In order to effectively support the display panel by the light guide structure 30, it is necessary to ensure that the height of the light guide structure 30 and the height of the supporting platform 22 are both greater than the thickness of the optical component 10, and the height direction of the light guide structure 30 and the height direction of the supporting platform 22 are both parallel to the thickness direction of the optical component 10.
In the embodiment of the present invention, the backlight module 100 does not need to be provided with a joint component, and the assembly of the display panel and the backlight module 100 can be completed by bonding the first supporting surface 21a of the supporting table 21 in the frame body 20 and the second supporting surface 30a of the light guiding structure 30 with the display panel 300. The first supporting surface 21a and the second supporting surface 22a support the display panel 200 together, so that the bonding area between the display panel 200 and the backlight module 100 is large, and the bonding stability between the backlight module 100 and the display panel 200 can be improved. The display panel 200 has a non-display area 202 and an effective display area 201, in order to reduce the frame of the display device, it is necessary to ensure that the effective display area 201 of the display panel 200 overlaps with the second supporting surface 30a of the light guiding structure 30, because the light guiding structure 30 has a light guiding function and the adhesive layer 300 has a light transmitting function, the overlapping area of the effective display area 201 and the second supporting surface 30a in the display panel 200 can be normally displayed, the frame of the display device has a width approximately the same as the width of the non-display area 202 in the display panel 200, and the frame width of the display device is effectively reduced.
To sum up, the embodiment of the utility model provides a display device, include: backlight unit, display device and adhesive linkage. The backlight module comprises: optical component, framework and light guide structure, this framework includes: the light guide structure comprises a bearing table for bearing the optical component and a supporting table connected with the bearing table, wherein the light guide structure can be arranged on the bearing table. The supporting table has a first supporting surface for supporting the display panel, and the light guide structure has a second supporting surface for supporting the display panel. The backlight module does not need to be provided with a clamping component, the assembly of the display panel and the backlight module can be completed through the bonding of the first supporting surface of the supporting table in the frame body and the bonding of the second supporting surface of the light guide structure and the display panel, the width of the frame of the display device is approximately the same as that of the non-display area in the display panel, and the width of the frame of the display device is effectively reduced.
Optionally, the thickness of the supporting platform 22 in the frame 20 in the backlight module 100 needs to be less than or equal to the width of the non-display area 202 of the display panel 200, at this time, after the backlight source 100 and the display panel 200 pass through the adhesive layer 300, the structure corresponding to the non-display area 202 in the display panel 200 is supported by the supporting platform 22, and the supporting platform 22 does not affect the display of the display panel 200, thereby effectively improving the display effect of the display panel 200.
It should be noted that, after the light emitted from the backlight module 100 needs to sequentially pass through the light guide structure 30 and the adhesive layer 300 and enter the region overlapping with the light guide structure 30 in the effective display region 201, the region overlapping with the light guide structure 30 in the effective display region 201 can be normally displayed. Since light is absorbed by the light guide structure 30 and the adhesive layer 300 to different degrees when passing through the light guide structure 30 and the adhesive layer 300, a picture displayed in an area overlapping with the light guide structure 30 in the effective display area 201 is dark. For example, referring to fig. 3, fig. 3 is a diagram illustrating an effect when a display panel in the display device shown in fig. 1 displays a picture, and a luminance of a picture displayed in an area 201a overlapping with the light guide structure 30 in the effective display area 201 of the display panel 200 is lower than a luminance of a picture displayed in an area 201b other than the area 201a in the effective display area 201.
In order to increase the brightness of the screen displayed in the region 201a, it is necessary to prepare the light guide structure 30 and the adhesive layer 300 using materials with high transmittance, and to provide a light condensing structure on the light guide structure 30. At this time, the brightness of the region 201a is slightly lower than that of the region 201b, and the overall display effect of the display panel 200 is not affected. Moreover, since the width of the region 201a is smaller and is usually smaller than or equal to the width of one pixel, the brightness of the image displayed by the region 201a is low, and the overall display effect of the display panel 200 is not affected.
Alternatively, the adhesive layer 300 may include: ultraviolet curing glue or heat curing glue. Assuming that the adhesive layer 300 is a thermosetting adhesive, when the backlight module 100 is assembled with a display panel, first, a dispenser may be used to uniformly coat the adhesive layer 300 on the second supporting surface 30a and the first supporting surface 22 a; then, the display panel 200 and the backlight module 100 are aligned and fastened; finally, the display panel 200 and the backlight module 100 after being fastened are heated, so that the bonding layer 300 can be used for tightly bonding the display panel 200 and the backlight module 100.
Optionally, the thickness of the supporting platform 22 and the width of the light guiding structure 30 are both less than 0.5 mm, and the thickness direction of the supporting platform 22 is parallel to the width direction of the light guiding structure 30. Optionally, the thickness of the support table 22 is equal to the width of the light guiding structure 30.
In the embodiment of the present invention, the second supporting surface 30a of the light guiding structure 30 can be coplanar with the first supporting surface 22a of the supporting platform 22, and when the second supporting surface 30a is coplanar with the first supporting surface 22a, it is more favorable to support the display panel 200.
Alternatively, as shown in fig. 1 or fig. 2, the supporting table 22 in the frame 20 may be connected to the light guiding structure 30. Illustratively, the light guide structure 30 also has a second support side 30b connected to the first support side 22b of the support 22.
In the embodiment of the present invention, the material of the frame body 20 may be a metal material with a relatively high rigidity, for example, metal aluminum, metal iron, or an alloy material. The light guide structure 30 is made of a transparent material with low rigidity, for example, the light guide structure 30 includes: at least one of polycarbonate, polymethyl methacrylate, and a glass material. When the supporting platform 22 is connected to the light guide structure 30, the straightness of the structure formed by combining the supporting platform 22 and the light guide structure 30 is high, that is, the probability that the structure formed by combining the supporting platform 22 and the light guide structure 30 is bent is low, and the stability of the light guide structure 30 and the supporting platform 22 supporting the display panel 100 is further improved.
Illustratively, the light guide structure 30 may be bonded to the support stage 22. For example, the light guide structure 30 and the support table 22 may be bonded by double-sided tape, liquid glue, or foam glue. It should be noted that, in other optional implementation manners, the light guide structure 30 and the supporting table 22 may also be connected through a clamping structure, and the embodiment of the present invention does not limit the connection manner between the light guide structure 30 and the supporting table 22.
In the embodiment of the present invention, the supporting platform 22 may be a rectangular annular supporting platform. In one illustrative implementation, the light guide structure 30 may include: an annular light guide strip; in another exemplary implementation, the light guide structure 30 may include: four light guide bars arranged around the optical component 10, each light guide bar being bonded to one of the first support sides 22b of the support table 22. It should be noted that the light guide strip can be processed by a cutting process, an injection molding process or an extrusion process.
As shown in fig. 4, fig. 4 is an effect diagram of light transmission in the light guide structure according to an embodiment of the present invention. The transmission medium of the process of the light that the lamp plate sent does in proper order: air, light guide structure 30 and air, light is the form of diverging after going out from light guide structure 30, and the light luminance that goes out from light guide structure 30 is on the low side.
In order to improve the brightness of the light emitted from the light guide structure 30, please refer to fig. 5, fig. 5 is a schematic structural diagram of another display device provided in the embodiment of the present invention, a light condensing structure 31 is disposed on one side of the light guide structure 30 deviating from the carrying platform 21 in the backlight module 100 of the display device, and the light emitted from the light guide structure 30 can be condensed by the light condensing structure 31, so that the brightness of the light emitted from the light guide structure 30 is higher. For example, referring to fig. 6, fig. 6 is a diagram illustrating the effect of light transmission in the light guiding structure shown in fig. 5, where the light condensing structure 31 may include: a plurality of prisms 311 arranged in an array. It should be noted that fig. 6 schematically illustrates an example in which the prism 311 is a triangular prism, and in another alternative implementation, the prism 311 may be an arc-shaped prism.
As shown in fig. 6, the direction of the light emitted from the second supporting surface 30a of the light guiding structure 30 can be changed by the light condensing structure 31, so that the light emitted from the second supporting surface 30a of the light guiding structure 30 can be converged toward the direction of the normal line, thereby improving the brightness of the light emitted from the second supporting surface 30a of the light guiding structure 30.
Optionally, as shown in fig. 5, a clamping protrusion 32 is disposed on a side of the light guide structure 30 close to the carrier table 21, the carrier table 21 has a clamping groove (not labeled in fig. 4) matching with the shape of the clamping protrusion 32, and the clamping protrusion 32 is clamped with the clamping groove. The embodiment of the utility model provides an in, light guide structure 30 passes through the protruding joint groove joint in with plummer 21 of joint, the effectual stability that sets up light guide structure 30 on plummer 21 that has improved. It should be noted that fig. 5 schematically illustrates the shape of the snap-in projection 32 as a rectangle, and in other alternative implementations, as shown in fig. 7, the shape of the snap-in projection 32 may be a triangle.
In the embodiment of the present invention, as shown in fig. 5 or fig. 7, the optical component 10 in the backlight module 100 may include: a diffusion plate 11, a lower prism sheet 12, an upper prism sheet 13, and a diffusion sheet 14, which are disposed in a stacked manner in a direction away from the carrying surface 21a of the carrying table 21. Note that the order of stacking the diffusion plate 11, the lower prism sheet 12, the upper prism sheet 13, and the diffusion sheet 14 may also be adjusted as appropriate, which is not limited in the embodiment of the present invention. It should be further noted that fig. 2 only schematically illustrates that the optical component includes one diffusion plate, one diffusion sheet, and two prism sheets, and in other alternative implementations, more diffusion plates, diffusion sheets, or prism sheets may also be included in the optical component, which is not limited in this embodiment of the present invention.
The backlight module 100 may further include: a back panel 50 fixedly connected to the frame 20, and a lamp panel 40 provided on the back panel 50. Frame 20 and backplate 50 can be through screw (not drawn in fig. 2) fixed connection, and lamp plate 40 is located the bearing panel of backplate 50, and this lamp plate 40 can be surveyed inclined plane 20a parcel by frame 20. This lamp plate 40 can include: a substrate 41, a reflective sheet 42 disposed on the substrate 41, and a plurality of Light Emitting Diode (LED) beads 43 arranged in an array. Optionally, the lamp panel 40 may further include: for wrapping the lens structure 44 on the lamp bead 43. The light emitted from the lamp panel will be emitted after passing through the optical component 10, so that the backlight module 100 can provide a light source for the display panel.
In the embodiment of the present invention, as shown in fig. 5 or fig. 7, the display panel 200 may be a liquid crystal display panel, which may include: the liquid crystal display panel comprises an array substrate 203 and a color filter substrate 204 which are arranged in an opposite box manner, and a liquid crystal layer 205 positioned between the array substrate 203 and the color filter substrate 204.
To sum up, the embodiment of the utility model provides a display device, include: backlight unit, display device and adhesive linkage. The backlight module comprises: optical component, framework and light guide structure, this framework includes: the light guide structure comprises a bearing table for bearing the optical component and a supporting table connected with the bearing table, wherein the light guide structure can be arranged on the bearing table. The supporting table has a first supporting surface for supporting the display panel, and the light guide structure has a second supporting surface for supporting the display panel. The backlight module does not need to be provided with a clamping component, the assembly of the display panel and the backlight module can be completed through the bonding of the first supporting surface of the supporting table in the frame body and the bonding of the second supporting surface of the light guide structure and the display panel, the width of the frame of the display device is approximately the same as that of the non-display area in the display panel, and the width of the frame of the display device is effectively reduced.
Referring to fig. 8, fig. 8 is a schematic structural diagram of a display device according to another embodiment of the present invention. The display device may include: a backlight module 100, a display panel 200 and a backlight module 300. The backlight module 100 may include: optical component 10, frame 20 and light guide structure 30.
The frame body 20 may include: a bearing platform 21, wherein the bearing platform 21 is provided with a bearing surface 21 for bearing the optical component 10. The light guide structure 30 may be disposed on the carrying surface 21a in the carrying stage 21, and the light guide structure 30 has a second supporting surface 30a for supporting the display panel 100. Alternatively, the light guide structure 30 may be disposed around the optical member 10.
The display panel 100 can be adhered to the second supporting surface 30a of the backlight module 100 by the adhesive layer 300, thereby completing the assembly of the display panel 200 and the backlight module 100.
It should be noted that, in order to make the light guide structure 30 effectively support the display panel, it is necessary to ensure that the height of the light guide structure 30 is greater than the thickness of the optical component 10, and the height direction of the light guide structure 30 is parallel to the thickness direction of the optical component 10.
In the embodiment of the present invention, the frame body 20 is not required to be provided with a clamping groove, and the second supporting surface 30a of the light guiding structure 30 disposed on the frame body 20 is only required to be bonded to the display panel, so that the assembly of the display panel 200 and the backlight module 100 can be completed. In order to improve the stability of the light guide structure 30 supporting the display panel 200, it is necessary to appropriately widen the width of the light guide structure 30, the width direction of the light guide structure 30 is perpendicular to the height direction of the light guide structure 30, so that the bonding area when the display panel 200 is bonded to the light guide structure 30 is large, at this time, the effective display region 201 in the display panel 200 may overlap with the second supporting surface 30a of the light guide structure 30, and since the light guide structure 30 has a light guide effect, the region where the effective display region 201 overlaps with the second supporting surface 30a in the display panel can be displayed normally. The width of the frame of the display device 200 is substantially the same as the width of the non-display area 202 of the display panel 200, which effectively reduces the width of the frame of the display device.
It should be noted that, when emitting light in backlight unit 100, this backlight unit 100 appears the phenomenon of marginal light leak easily, the embodiment of the utility model provides a following two kinds of optional realization methods homoenergetic can avoid backlight 100 to appear the phenomenon of marginal light leak:
as shown in fig. 8, the light guiding structure 30 further has two side surfaces adjacent to the second supporting surface 30a, the two side surfaces are respectively: a side 30c adjacent to the optical component 10 and a side 30b facing away from the optical component 10. The backlight module 100 may further include: a light-shielding adhesive tape 60 arranged on a side 30b of the light-guiding structure 30 facing away from the optical component 10. The light emitted from the side surface 30b of the light guide structure 30 can be absorbed by the light-shielding tape 60, so that the phenomenon of light leakage at the edge of the backlight source 100 is avoided, and the utilization rate of the backlight source 100 to the light is improved.
It should be noted that, the specific structure of the light guide structure, the specific structure of the optical component and the display panel, and other specific structures still included in the backlight module in the display device shown in fig. 8 may refer to corresponding parts in the embodiments corresponding to fig. 1, fig. 5, or fig. 7, and the embodiments of the present invention are not described herein again.
The embodiment of the utility model provides a still provide a backlight unit, this backlight unit can include: optical component, framework and light guide structure. The frame body may include: the bearing platform and a supporting platform connected with the bearing platform. The bearing platform is provided with a bearing surface, and the bearing panel is configured to bear the optical component; the support table has a first support surface configured to carry a display panel. The light guide structure may be disposed on the carrying surface of the carrying platform, and the light guide structure is located between the carrying platform and the optical component. The light guide structure has a second supporting surface for supporting the display panel.
For example, the structure of the backlight module may refer to the backlight source in the display device shown in fig. 1, fig. 5, fig. 7, or fig. 8.
The embodiment of the utility model provides a concatenation screen is still provided, this concatenation screen can include: a plurality of tiled display devices. Each display device includes: a display device shown in fig. 1, 5, 7 or 8.
It is assumed that each display device in the embodiment of the present invention includes: in the display device shown in fig. 1, if the thickness of the supporting table 22 in each display device is less than 0.5 mm, the width of the splicing gap in the spliced screen is less than 1 mm, and therefore, the width of the splicing gap in the spliced screen is smaller, and the display effect of the spliced screen is better.
It is noted that in the drawings, the sizes of layers and regions may be exaggerated for clarity of illustration. Also, it will be understood that when an element or layer is referred to as being "on" another element or layer, it can be directly on the other element or layer or intervening layers may also be present. In addition, it will be understood that when an element or layer is referred to as being "under" another element or layer, it can be directly under the other element or intervening layers or elements may also be present. In addition, it will also be understood that when a layer or element is referred to as being "between" two layers or elements, it can be the only layer between the two layers or elements, or more than one intermediate layer or element may also be present. Like reference numerals refer to like elements throughout.
In this application, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The term "plurality" means two or more unless expressly limited otherwise.
The above description is only an alternative embodiment of the present invention, and is not intended to limit the present invention, and any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included within the scope of the present invention.
Claims (18)
1. A display device, comprising:
a display panel;
an adhesive layer;
backlight unit, backlight unit includes: an optical component, a frame body and a light guide structure,
the frame body includes: a bearing table with a bearing surface and a supporting table connected with the bearing surface, wherein the supporting table is provided with a first supporting surface, the bearing surface is used for bearing the optical component,
the light guide structure is arranged on the bearing surface and is positioned between the optical component and the support table, and the light guide structure is provided with a second support surface;
the display panel is bonded with the first supporting surface and the second supporting surface in the backlight module through the bonding layer.
2. The display device according to claim 1,
the support table is connected with the light guide structure.
3. The display device according to claim 2,
the light guide structure includes: annular leaded light strip.
4. The display device according to claim 2,
the light guide structure includes: four light guide bars, four light guide bars are around the optical component sets up.
5. The display device according to claim 1,
the first support surface is coplanar with the second support surface.
6. The display device according to any one of claims 1 to 5,
and a light gathering structure is arranged on one side of the light guide structure, which deviates from the bearing table.
7. The display device according to claim 6,
the light condensing structure includes: a plurality of prisms arranged in an array.
8. The display device according to any one of claims 1 to 5,
be close to among the light-directing structure be provided with the joint arch on one side of plummer, the plummer have with the joint groove that the bellied shape of joint matches, the joint arch with joint groove joint.
9. The display device according to any one of claims 1 to 5,
the thickness of the support table is smaller than or equal to the width of a non-display area in the display panel.
10. The display device according to any one of claims 1 to 5,
the thickness of the supporting table is equal to the width of the light guide structure, and the thickness direction of the supporting table is parallel to the width direction of the light guide structure.
11. The display device according to any one of claims 1 to 5,
the material of the light guide structure comprises: at least one of polycarbonate, polymethyl methacrylate, and a glass material.
12. The display device according to any one of claims 1 to 5,
the material of the bonding layer comprises: and (3) optical glue.
13. The display device according to any one of claims 1 to 5,
the optical component includes: and the diffusion plate, the lower prism sheet, the upper prism sheet and the diffusion sheet are arranged in a superposition manner along the direction far away from the bearing surface.
14. The display device according to any one of claims 1 to 5,
the backlight module further comprises: the lamp panel is fixedly connected with the frame body, and the lamp panel is arranged on the backboard.
15. A display device, comprising:
a display panel;
an adhesive layer;
backlight unit, backlight unit includes: optical component, framework and light guide structure, the framework includes: the bearing table is provided with a bearing surface, the bearing surface is used for bearing the optical component, the light guide structure is arranged on the bearing surface, and the light guide structure is provided with a second supporting surface;
the display panel is bonded with a second supporting surface in the backlight module through the bonding layer.
16. The display device according to claim 15,
the light guide structure further has two side surfaces adjacent to the second supporting surface, and the backlight module further includes: and the light shading adhesive tape is arranged on the side surface of the light guide structure, which is far away from the optical component.
17. A backlight module, comprising:
an optical component, a frame body and a light guide structure;
the frame body includes: the optical component fixing device comprises a bearing table with a bearing surface and a supporting table connected with the bearing surface, wherein the supporting table is provided with a first supporting surface, and the bearing surface is used for bearing the optical component;
the light guide structure is arranged on the bearing surface and is positioned between the optical component and the support table, and the light guide structure is provided with a second support surface.
18. A tiled screen, comprising: a plurality of tiled display devices, each of the display devices comprising: a display device as claimed in any one of claims 1 to 14, or a display device as claimed in claim 15 or 16.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920670615.3U CN209946590U (en) | 2019-05-10 | 2019-05-10 | Display device, backlight module and spliced screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920670615.3U CN209946590U (en) | 2019-05-10 | 2019-05-10 | Display device, backlight module and spliced screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209946590U true CN209946590U (en) | 2020-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920670615.3U Expired - Fee Related CN209946590U (en) | 2019-05-10 | 2019-05-10 | Display device, backlight module and spliced screen |
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| Country | Link |
|---|---|
| CN (1) | CN209946590U (en) |
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| CN113376887A (en) * | 2021-06-30 | 2021-09-10 | 北京小米移动软件有限公司 | Display module and display device |
| CN114253026A (en) * | 2020-09-23 | 2022-03-29 | 京东方科技集团股份有限公司 | Backlight module, display screen and spliced screen |
| CN114399959A (en) * | 2021-12-29 | 2022-04-26 | 京东方科技集团股份有限公司 | Display device and tiled display device |
| WO2022188430A1 (en) * | 2021-03-09 | 2022-09-15 | 京东方科技集团股份有限公司 | Support frame and preparation method therefor, backlight module, and display device |
| CN115113437A (en) * | 2022-08-03 | 2022-09-27 | 奇瑞汽车股份有限公司 | Vehicle-mounted display screen and vehicle |
| US20220308389A1 (en) * | 2021-03-23 | 2022-09-29 | Beijing Boe Display Technology Co., Ltd. | Display module, method for manufacturing the same and display device |
| WO2022205870A1 (en) * | 2021-03-30 | 2022-10-06 | 京东方科技集团股份有限公司 | Display device and tiled display device |
| WO2023070578A1 (en) * | 2021-10-29 | 2023-05-04 | 京东方科技集团股份有限公司 | Display module and middle frame |
| WO2023230809A1 (en) * | 2022-05-31 | 2023-12-07 | 京东方科技集团股份有限公司 | Backlight module, display module, tiled display screen and display device |
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| CN114253026B (en) * | 2020-09-23 | 2023-09-05 | 京东方科技集团股份有限公司 | Backlight module, display screen and spliced screen |
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| WO2022205870A1 (en) * | 2021-03-30 | 2022-10-06 | 京东方科技集团股份有限公司 | Display device and tiled display device |
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| CN113376887B (en) * | 2021-06-30 | 2023-03-14 | 北京小米移动软件有限公司 | Display module and display device |
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| CN114399959A (en) * | 2021-12-29 | 2022-04-26 | 京东方科技集团股份有限公司 | Display device and tiled display device |
| CN114399959B (en) * | 2021-12-29 | 2023-12-05 | 京东方科技集团股份有限公司 | Display device and tiled display device |
| WO2023230809A1 (en) * | 2022-05-31 | 2023-12-07 | 京东方科技集团股份有限公司 | Backlight module, display module, tiled display screen and display device |
| CN115113437A (en) * | 2022-08-03 | 2022-09-27 | 奇瑞汽车股份有限公司 | Vehicle-mounted display screen and vehicle |
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