CN209880030U - Display device and spliced screen - Google Patents
Display device and spliced screen Download PDFInfo
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- CN209880030U CN209880030U CN201920963883.4U CN201920963883U CN209880030U CN 209880030 U CN209880030 U CN 209880030U CN 201920963883 U CN201920963883 U CN 201920963883U CN 209880030 U CN209880030 U CN 209880030U
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- back plate
- display device
- frame
- optical film
- film layer
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Abstract
The utility model relates to a show technical field, provide a display device, concatenation screen, this display device includes backlight unit and display panel, backlight unit includes backplate, backlight, center and optics rete. The back plate comprises a back plate bottom; the backlight source is arranged on the back plate bottom; the optical film layer is arranged on the outer side of the back plate and used for transmitting the light of the backlight source to the display panel; wherein the orthographic projection of the optical film layer, the orthographic projection of the back plate and the orthographic projection of the display panel are completely overlapped; the middle frame is supported between the back plate bottom of the back plate and the optical film layer. The display device provided by the disclosure can realize the frameless display of the display device.
Description
Technical Field
The utility model relates to a show technical field, especially relate to a display device, concatenation screen.
Background
Frameless or narrow-framed displays have become a trend for current displays because they can provide users with a more compelling visual experience. Especially in the concatenation screen technical field, the piece width of splicing the screen after monomer display device's frame width can directly influence the concatenation, influences the holistic display effect of concatenation screen then. Therefore, the requirement of the spliced screen on the frame is even greater.
In the related art, in order to realize the frameless display of the display device, the display panel and the backlight module are usually directly bonded by glue, so that the arrangement of a panel frame is avoided, and the frame of the display device is reduced.
However, in the related art, the optical film of the backlight module is disposed inside the back plate, a certain assembly gap is formed between the periphery of the optical film and the back plate, and the back plate itself has a certain frame width. Therefore, for the backlight assembly, the light emitting surface thereof is smaller than the size of the backlight assembly. Therefore, when the display panel is placed on the surface of the backlight module, the inherent characteristic that the periphery of the backlight module does not emit light is limited, no light is emitted from the periphery of the display panel, and accordingly no frame-free display can be realized.
It should be noted that the information of the present invention in the above background section is only for enhancing the understanding of the background of the present invention, and thus may include information that does not constitute prior art known to those of ordinary skill in the art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a display device, concatenation screen. The display device provided by the disclosure can solve the technical problem that the display device cannot realize frameless display in the related art.
Other features and advantages of the invention will be apparent from the following detailed description, or may be learned by practice of the invention in part.
According to the utility model discloses an aspect provides a display device, and this display device includes backlight unit and display panel, backlight unit includes backplate, backlight, center and optics rete. The back plate comprises a back plate bottom, and the back light source is arranged on the back plate bottom; the optical film layer is arranged on the outer side of the back plate and used for transmitting the light of the backlight source to the display panel; wherein the orthographic projection of the optical film layer, the orthographic projection of the back plate and the orthographic projection of the display panel are completely overlapped; the middle frame is supported between the back plate bottom of the back plate and the optical film layer.
In an exemplary embodiment of the present invention, the middle frame includes a support main body, and a first support portion and a second support portion connected to both sides of the support main body; the first supporting part is supported on the optical film layer, and the second supporting part is supported at the bottom of the back plate.
In an exemplary embodiment of the present invention, the first supporting portion is bonded to the optical film layer through a transparent bonding layer.
In an exemplary embodiment of the present invention, the supporting body faces one side of the backlight source and is provided with a reflective layer.
The utility model discloses an in an exemplary embodiment, the backplate still includes the frame, the center still includes the fixed part, fixed part fixed connection in the frame of backplate.
The utility model discloses an in the exemplary embodiment, the center still includes the joint groove, the joint groove match the joint in on the frame.
In an exemplary embodiment of the present invention, the support body and the back plate bottom of the back plate form an accommodation space for accommodating the backlight source.
In an exemplary embodiment of the present invention, the display device includes a driving circuit board, the back plate includes an installation portion and a protection shell, the installation portion is disposed outside the frame for installing the driving circuit board; the protective housing set up in the installation department is kept away from frame one side for with the frame forms and holds drive circuit board's accommodation space.
In an exemplary embodiment of the present invention, the optical film layer includes: one or more of a diffusion sheet, a prism sheet and a brightness enhancement sheet.
In an exemplary embodiment of the present invention, the middle frame is an aluminum extruded section.
According to the utility model discloses an aspect provides a concatenation screen, and this concatenation screen includes foretell display device.
The utility model provides a display device, concatenation screen, this display device include backlight unit and display panel, backlight unit includes backplate, backlight, center and optics rete. The back plate comprises a back plate bottom, and the back light source is arranged on the back plate bottom; the optical film layer is arranged on the outer side of the back plate and used for transmitting the light of the backlight source to the display panel; wherein the orthographic projection of the optical film layer, the orthographic projection of the back plate and the orthographic projection of the display panel are completely overlapped; the middle frame is supported between the back plate bottom of the back plate and the optical film layer. On one hand, the display device provided by the disclosure can realize frameless display; on the other hand, the display device provided by the disclosure is simple in structure and low in cost.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a schematic diagram of another exemplary embodiment of a display device according to the present disclosure;
FIG. 2 is a schematic diagram of another exemplary embodiment of a display device according to the present disclosure;
fig. 3 is a detailed enlarged view of an exemplary embodiment of a display device of the present disclosure.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed description will be omitted.
Although relative terms, such as "upper" and "lower," may be used in this specification to describe one element of an icon relative to another, these terms are used in this specification for convenience only, e.g., in accordance with the orientation of the examples described in the figures. It will be appreciated that if the device of the icon were turned upside down, the element described as "upper" would become the element "lower". Other relative terms, such as "high," "low," "top," "bottom," "left," "right," and the like are also intended to have similar meanings. When a structure is "on" another structure, it may mean that the structure is integrally formed with the other structure, or that the structure is "directly" disposed on the other structure, or that the structure is "indirectly" disposed on the other structure via another structure.
The terms "a," "an," "the," and the like are used to denote the presence of one or more elements/components/parts; the terms "comprising" and "having" are intended to be inclusive and mean that there may be additional elements/components/etc. other than the listed elements/components/etc.
The present exemplary embodiment provides a display device, as shown in fig. 1, which is a schematic structural diagram of an exemplary embodiment of the display device of the present disclosure. The display device comprises a backlight module and a display panel, wherein the backlight module comprises a back plate 1, a backlight source 9, a middle frame 4 and an optical film layer 2. The back plate 1 comprises a back plate bottom 11. The backlight 9 is arranged on the back plate bottom 11; the optical film layer 2 is arranged on the outer side of the back plate 1 and is used for transmitting the light of the backlight source to the display panel 3, wherein the orthographic projection of the optical film layer, the orthographic projection of the back plate and the orthographic projection of the display panel are completely overlapped; the middle frame 4 is supported between the back plate bottom 11 of the back plate and the optical film layer 2. The backlight source may be a direct-type backlight source.
The present disclosure provides a display device, which includes a backlight module and a display panel, where the backlight module includes a back plate, a backlight source, a middle frame, and an optical film layer. The back plate comprises a back plate bottom, and the back light source is arranged on the back plate bottom; the optical film layer is arranged on the outer side of the back plate and used for transmitting the light of the backlight source to the display panel; wherein the orthographic projection of the optical film layer, the orthographic projection of the back plate and the orthographic projection of the display panel are completely overlapped; the middle frame is supported between the back plate bottom of the back plate and the optical film layer. On one hand, the display device provided by the disclosure can realize frameless display; on the other hand, the display device provided by the disclosure is simple in structure and low in cost.
It should be understood that, since the optical film 2 has a certain lateral light guiding property, when the outer dimensions of the optical film 2 and the back plate 1 have a small error, the backlight module can still achieve frameless lighting.
In the present exemplary embodiment, fig. 1 is a side sectional view of the display device in the present exemplary embodiment. The middle frame 4 may be a continuous closed-loop structure, that is, the top view of the middle frame 4 may be a closed-loop shape identical to the shape of the optical film layer 2.
In the present exemplary embodiment, as shown in fig. 1, a specific implementation manner of the middle frame 4 may be that the middle frame 4 may include a support main body 43, and a first support portion 41 and a second support portion 42 connected to both sides of the support main body; the first supporting portion 41 is supported by the optical film layer 2, and the second supporting portion 42 is supported by the back plate bottom 11. Wherein the side view of the supporting body 43 may be a straight plate type structure. It should be understood that in other exemplary embodiments, the middle frame 4 may have more alternative structures, which are within the scope of the present disclosure.
In the present exemplary embodiment, as shown in fig. 1, the first support part 41 may be bonded to the optical film layer by a transparent adhesive layer 5. The transparent adhesive layer 5 can be UV glue, hot melt glue or glue combining the two. Light emitted by the backlight source can be transmitted to the optical film layer 2 through the transparent bonding layer 5, so that frameless display of the display device is realized.
In the present exemplary embodiment, the middle frame 4 may be an aluminum extrusion. The aluminum extruded section has a relatively flat surface, so that flat coating of the transparent bonding layer can be realized. It should be understood that in other exemplary embodiments, the middle frame 4 may also be a rubber frame.
In the present exemplary embodiment, as shown in fig. 1, the side of the support body facing the backlight 9 may be provided with a light reflecting layer 10. The arrangement can prevent the support main body from absorbing the light of the backlight source, thereby preventing the edge of the display device from being poor in darkness. One embodiment of providing the light-reflecting layer 10 on the side of the support body facing the backlight 9 may be to apply a layer of white paint on the side of the support body facing the backlight 9. It should be understood that in other exemplary embodiments, there are more implementations of disposing the reflective layer 10 on the side of the support body facing the backlight 9, for example, evaporating a reflective metal layer on the side of the support body facing the backlight, which fall within the scope of the present disclosure.
In this exemplary embodiment, as shown in fig. 1, the back panel may further include a frame 12, the middle frame 4 may further include a fixing portion 44, and the fixing portion 44 may be fixedly connected to the frame 12 of the back panel. This arrangement can increase the overall rigidity of the display device. The fixing portion 44 can be fixedly connected to the frame 12 of the back panel by a bolt 6. The fixing portion 44 may be a plurality of fixing portions 44, and the fixing portions 44 may be distributed at intervals on a closed loop structure formed by the middle frame, and are all fixedly connected to the side frame 12 through a bolt.
In this exemplary embodiment, as shown in fig. 1, the middle frame 4 may further include a clamping groove 45, and the clamping groove 45 is matched and clamped on the side frame. When the middle frame 4 is installed, the middle frame 4 can be firstly clamped on the frame through the clamping groove 45, so that the middle frame 4 can be conveniently fixed on the next step. Wherein, a frame forming the engaging groove 45 can share the fixing portion 44.
In the present exemplary embodiment, as shown in fig. 1, the display device may include a driving circuit board 7, the back plate includes a mounting portion 13 and a protective shell 14, the mounting portion 13 is disposed outside the frame 12 and is used for mounting the driving circuit board 7; the protective shell 14 is disposed on one side of the mounting portion 13 away from the frame 12, and is used for forming an accommodating space for accommodating the driving circuit board 7 with the frame. The driving circuit board 7 may be a source driving circuit board or a gate driving circuit board. In the related art, the display device generally reserves a frame region for disposing the driving circuit board 7. In the exemplary embodiment, the driving circuit board 7 is disposed outside the frame 12 through the mounting portion 13, so that a frame region reserved in the display device can be avoided, and frameless display can be further achieved. The mounting portion 13 may be bonded to the driving circuit board 7 by an adhesive layer, or may be fixedly connected to the driving circuit board 7 by another fixing method.
In the present exemplary embodiment, the protective case 14 may include a tape portion 142 and a tape portion 141. The rubber frame portion 141 is connected to the back panel bottom 11, the adhesive tape portion 142 is connected between the middle frame 4 and the rubber frame portion 141, the adhesive tape portion 142, the frame 12, and the middle frame 4 together form a closed space to accommodate the driving circuit board 7. In addition, the side surfaces of the display device can be wound with adhesive tapes to realize the sealing of the display device.
In the present exemplary embodiment, as shown in fig. 2, a schematic structural diagram of another exemplary embodiment of a display device according to the present disclosure is shown. In the present exemplary embodiment, one embodiment in which the optical film layer 2 is disposed on the outer side of the back plate may be that the back plate may only include the back plate bottom 11. The middle frame 4 can be fixedly connected with the back plate bottom 11 through the second supporting part 42. For example, the second supporting portion 42 may be fixedly connected to the back plate bottom 11 by bolts. The support body 43 of the middle frame 4 may form a receiving space with the back plate bottom 11 for receiving the light emitting source 9. This arrangement avoids the provision of the bezel 12, thereby simplifying the structure of the display device.
In the present exemplary embodiment, as shown in fig. 3, a detailed enlarged view of an exemplary embodiment of a display device of the present disclosure is shown. The optical film layer may include: a diffusion sheet 23, a prism sheet 22, and a brightness enhancement sheet 24. The diffusion sheet 23, the prism sheet 22, and the brightness enhancement sheet 24 may be formed on the transparent substrate 21. The transparent substrate 21 needs to have certain strength and thermal barrier and cold shrinkage resistance, and specifically, the transparent substrate 21 may be a glass substrate. It should be understood that in other exemplary embodiments, the optical film layer may have other structures, for example, the diffusion sheet 23, the prism sheet 22, and the brightness enhancement sheet 24 may be stacked in other order, and the optical film layer only includes the diffusion sheet 23, the prism sheet 22, and so on, which are within the scope of the present disclosure.
In the present exemplary embodiment, as shown in fig. 3, the optical film layer may be connected to the display panel through a transparent adhesive layer 8. Transparent tie coat 8 has stronger light transmissivity, and the light of optics rete light-emitting side can transmit display panel through transparent tie coat 8 to can avoid the display panel frame to send dark harmfully. The transparent adhesive layer 8 may be UV glue, hot melt glue, or a combination of both.
The exemplary embodiment also provides a tiled screen including the display device described above.
The spliced screen provided by the present exemplary embodiment has the same technical features and working principles as those of the display device described above, and the details of the above description are already given, and are not repeated here.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is to be limited only by the terms of the appended claims.
Claims (10)
1. The utility model provides a display device, includes backlight unit and display panel, its characterized in that, backlight unit includes:
a back plate comprising a back plate bottom;
the backlight source is arranged on the back plate bottom;
the optical film layer is arranged on the outer side of the back plate and used for transmitting the light of the backlight source to the display panel;
wherein the orthographic projection of the optical film layer, the orthographic projection of the back plate and the orthographic projection of the display panel are completely overlapped;
the middle frame is supported between the back plate bottom of the back plate and the optical film layer.
2. The display device according to claim 1, wherein the middle frame includes a support main body and first and second support portions connected to both sides of the support main body;
the first supporting part is supported on the optical film layer, and the second supporting part is supported at the bottom of the back plate.
3. The display device according to claim 2, wherein the support body and a back plate bottom of the back plate form a receiving space for receiving the backlight source.
4. A display device as claimed in claim 2, characterized in that a side of the support body facing the backlight is provided with a light-reflecting layer.
5. The display device of claim 4, wherein the back plate further comprises a bezel, and wherein the middle bezel further comprises:
and the fixing part is fixedly connected to the frame of the back plate.
6. The display device according to claim 5, wherein the middle frame further comprises:
and the clamping groove is clamped on the frame in a matching manner.
7. The display device according to claim 5, wherein the display device further comprises a driving circuit board, and the back plate comprises:
the mounting part is arranged on the outer side of the frame and used for mounting the driving circuit board;
the protective housing, set up in the installation department is kept away from frame one side, be used for with the frame forms and holds drive circuit board's accommodation space.
8. The display device of claim 1, wherein the optical film layer comprises: one or more of a diffusion sheet, a prism sheet and a brightness enhancement sheet.
9. The display device according to claim 1, wherein the middle frame is an aluminum extrusion.
10. A tiled screen comprising a display device according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920963883.4U CN209880030U (en) | 2019-06-25 | 2019-06-25 | Display device and spliced screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920963883.4U CN209880030U (en) | 2019-06-25 | 2019-06-25 | Display device and spliced screen |
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| Publication Number | Publication Date |
|---|---|
| CN209880030U true CN209880030U (en) | 2019-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920963883.4U Active CN209880030U (en) | 2019-06-25 | 2019-06-25 | Display device and spliced screen |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111243448A (en) * | 2020-03-23 | 2020-06-05 | 京东方科技集团股份有限公司 | Display module and display screen |
| CN113539135A (en) * | 2021-08-02 | 2021-10-22 | 宁波视睿迪光电有限公司 | Light box and display device |
| CN114488619A (en) * | 2022-02-28 | 2022-05-13 | 京东方科技集团股份有限公司 | Display module 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 |
| WO2023207287A1 (en) * | 2022-04-25 | 2023-11-02 | 京东方科技集团股份有限公司 | Display device and tiled display device |
-
2019
- 2019-06-25 CN CN201920963883.4U patent/CN209880030U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111243448A (en) * | 2020-03-23 | 2020-06-05 | 京东方科技集团股份有限公司 | Display module and display screen |
| 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 |
| CN113539135A (en) * | 2021-08-02 | 2021-10-22 | 宁波视睿迪光电有限公司 | Light box and 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 |
| CN114488619A (en) * | 2022-02-28 | 2022-05-13 | 京东方科技集团股份有限公司 | Display module and display device |
| CN114488619B (en) * | 2022-02-28 | 2023-10-27 | 京东方科技集团股份有限公司 | Display module and display device |
| WO2023207287A1 (en) * | 2022-04-25 | 2023-11-02 | 京东方科技集团股份有限公司 | Display device and tiled display device |
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