CN210109527U - Backlight source and liquid crystal display device - Google Patents
Backlight source and liquid crystal display device Download PDFInfo
- Publication number
- CN210109527U CN210109527U CN201921202170.2U CN201921202170U CN210109527U CN 210109527 U CN210109527 U CN 210109527U CN 201921202170 U CN201921202170 U CN 201921202170U CN 210109527 U CN210109527 U CN 210109527U
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- China
- Prior art keywords
- plate
- frame
- backlight
- bottom plate
- bezel
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Abstract
The utility model discloses a backlight and a liquid crystal display device, the backlight includes backplate and frame, wherein the backplate includes the rectangle bottom plate and by the edge of bottom plate upwards bending type lateral plate, bottom plate and lateral plate form the accommodation space, the lateral plate is bent type and is formed the first diaphragm, the tip of first diaphragm upwards bending type becomes the first riser, first diaphragm and first riser form the portion of bending of lateral plate; the frame comprises four frames which are enclosed and wrapped, each frame comprises a first frame plate parallel to the side plates, the first frame plate is bent to form a second frame plate, and the first frame plate is provided with a folding part corresponding to the bending part; the back plate and the frame are fixedly combined through the clamping of the folding part and the bending part. The utility model provides an embodiment can avoid the dust in the air to get into the backlight, improves the dustproof performance of backlight to reduce the light leak risk, promote liquid crystal display device's display effect and user experience.
Description
Technical Field
The utility model relates to a backlight technical field especially relates to a backlight and liquid crystal display device.
Background
With the continuous development of display technology, the market has more and more strict requirements on cleanness and dustlessness of the display, and the problem of dust in the future is still a big problem of the liquid crystal module. In traditional backlight, because the leakproofness is not very outstanding, inside dust in the air circumstance can enter into the backlight membrane material through the gap of backplate with the frame, cause module frame display defect, influence user's viewing effect. Nowadays, the super narrow frame display module group that gradually prevails still has a drawback, and frameless backlight frame is narrower, and backplate and frame block are pine, have the risk that the frame easily drops and marginal light leak bright line.
SUMMERY OF THE UTILITY MODEL
In order to solve at least one of the above problems, a first aspect of the present invention provides a backlight including a back plate and a frame, wherein the back plate and the frame are disposed in the frame
The back plate comprises a rectangular bottom plate and side plates formed by bending the edges of the bottom plate upwards, the bottom plate and the side plates form an accommodating space, the side plates are bent to form a first transverse plate, the end parts of the first transverse plate are bent upwards to form a first vertical plate, and the first transverse plate and the first vertical plate form a bent part of the side plates;
the frame comprises four frames which are enclosed and wrapped, each frame comprises a first side frame plate parallel to the side plate, one side of the first side frame plate, which is far away from the bottom plate, is bent to form a second side frame plate, and the first side frame plate is provided with a folding part corresponding to the folding part;
the back plate and the frame are fixedly combined through the clamping of the folding part and the bending part.
Furthermore, the bending part faces the direction of the center of the bottom plate, and the thickness of one side, close to the second side frame plate, of the first side frame plate is larger than that of one side, far away from the second side frame plate, of the first side frame plate.
Furthermore, the bending part faces the direction far away from the center of the bottom plate, and the thickness of one side, close to the second side frame plate, of the first side frame plate is smaller than that of one side far away from the second side frame plate.
Furthermore, still be provided with a plurality of trip structures on the first riser, be provided with a plurality of on the first side frame board with the draw-in groove structure that the trip structure corresponds, trip structure and draw-in groove structure block.
Furthermore, the hook structure and the clamping groove structure are in interference fit.
Further, in the above-mentioned case,
a plurality of concave parts and/or convex parts are arranged on one side of the first vertical plate far away from the direction of the bottom plate at intervals, and the second frame plate comprises a plurality of convex parts and/or concave parts which are arranged corresponding to the concave parts and/or convex parts;
or
The first riser is kept away from one side interval of bottom plate direction is provided with a plurality of convex parts, the second frame board include a plurality of with the bayonet socket that the convex part corresponds the setting.
Further, in the above-mentioned case,
a plurality of concave parts and/or convex parts are arranged on one side of the first vertical plate far away from the direction of the bottom plate at intervals, and the second frame plate comprises a plurality of convex parts and/or concave parts which are arranged corresponding to the concave parts and/or convex parts;
or
The first riser is kept away from one side interval of bottom plate direction is provided with a plurality of convex parts, the second frame board include a plurality of with the bayonet socket that the convex part corresponds the setting.
Furthermore, one side of the second frame plate, which is far away from the bottom plate, is also provided with an adhesive tape.
Further, the adhesive tape is a siliceous gasket or a foam adhesive tape.
The utility model discloses the second aspect provides a liquid crystal display device, including the first aspect the backlight.
The utility model has the advantages as follows:
the utility model discloses to current problem at present, formulate a backlight and liquid crystal display device, through the portion of bending that sets up on the curb plate of backplate and the block realization of the portion of turning back that sets up on the first frame plate of frame backplate and frame's fixed combination can avoid the dust in the air to get into the backlight, improves the dustproof performance of backlight to reduce the light leak risk, effectively compensatied the problem among the prior art, and can promote liquid crystal display device's display effect and user experience.
Drawings
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
FIG. 1 shows a schematic of a prior art backlight configuration;
fig. 2 is a schematic structural diagram of a backlight according to an embodiment of the present invention;
fig. 3a-3b show a schematic structural diagram of a back plate according to an embodiment of the present invention;
FIGS. 4a-4b are schematic structural views of a frame according to an embodiment of the present invention;
fig. 5a-5b show schematic structural views of a back plate according to another embodiment of the present invention;
figures 6a-6b show a schematic structural view of a frame according to another embodiment of the present invention;
fig. 7 shows a schematic structural diagram of a backlight according to another embodiment of the present invention.
Detailed Description
In order to explain the present invention more clearly, the present invention will be further described with reference to the preferred embodiments and the accompanying drawings. Similar parts in the figures are denoted by the same reference numerals. It is to be understood by persons skilled in the art that the following detailed description is illustrative and not restrictive, and is not to be taken as limiting the scope of the invention.
As shown in fig. 1, in a backlight with a narrow bezel in the prior art, a back plate 1 and a frame 2 are fastened and fixed by a light-shielding tape (not shown), and dust in an air environment enters the backlight through a gap between the back plate 1 and the frame 2 due to loose fastening and poor sealing of the back plate 1 and the frame 2, so that a defect exists in a display screen of a display device, and a user experience is affected.
In order to solve one of the above problems, as shown in fig. 2, an embodiment of the present invention provides a backlight source, which includes a back plate and a frame, wherein the back plate includes a rectangular bottom plate 10 and a side plate 11 formed by bending an edge of the bottom plate 10 upwards, the bottom plate 10 and the side plate 11 form an accommodating space, the side plate 11 is bent to form a first horizontal plate 12, an end of the first horizontal plate 12 is bent upwards to form a first vertical plate 13, and the first horizontal plate 12 and the first vertical plate 13 form a bent portion of the side plate 11; the frame comprises four frames which are enclosed and wrapped, each frame comprises a first side frame plate 20 parallel to the side plates, one side of each first side frame plate 20, which is far away from the bottom plate 10, is bent to form a second side frame plate 21, and the first side frame plate 20 is provided with a folding part corresponding to the bending part; the back plate and the frame are fixedly combined through the clamping of the folding part and the bending part.
Specifically, as shown in fig. 3a, a corner of the back plate is shown, and as shown in fig. 3b, a cross-sectional view AA' of fig. 3a is shown, the side plate includes a bent portion formed by the first transverse plate 12 and the first vertical plate 13. In this embodiment, the bent portion is bent toward the center of the bottom plate, i.e., the first horizontal plate 12 is formed by bending the side plates toward the center of the bottom plate. Correspondingly, fig. 4a is a corner of the frame, and fig. 4b is a cross-sectional view of BB' of fig. 4a, and the first side frame plate 20 includes a folded portion disposed corresponding to the bent portion. In this embodiment, the thickness of the first frame plate 20 of the folded portion on the side close to the second frame plate 21 is larger than the thickness of the first frame plate on the side away from the second frame plate 21, corresponding to the folded portion, and the back plate and the frame are engaged and fixed by the folded portion and the folded portion to form a backlight. The back plate is used for supporting and bearing all structural members in the backlight source, and the frame is used for fixing the membrane material in the backlight source.
It is worth mentioning that the direction of the bending portion is not limited in the application, so that the back plate and the frame are clamped and fixed through the bending portion and the folding portion to prevent dust from entering the backlight source as a design criterion. For example, the bent portion faces a direction away from the center of the bottom plate, and the thickness of the first side frame plate on a side close to the second side frame plate is smaller than the thickness of the first side frame plate on a side away from the second side frame plate. That is, the first horizontal plate 12 is formed by bending the side plates in a direction away from the center of the bottom plate. Correspondingly, the thickness of the first side frame plate 20 of the folded part close to the second side frame plate 21 is smaller than that of the side far away from the second side frame plate 21, and the back plate and the frame are clamped and fixed through the folded part and the folded part.
In this embodiment, the side plate forms a bent portion through the first transverse plate and the first vertical plate, and is engaged with a folded portion formed by the first side frame plate, so as to realize concave-convex engagement between the back plate and the frame, and the engagement is tight, so that dust in the air can be prevented from entering the backlight source; and can solve because of the light leak problem that shading sticky tape easily drops and leads to, simultaneously, thereby because this block mode does not need shading sticky tape can effectively practice thrift the preparation time, reduce manpower and materials cost to improve the packaging efficiency.
In order to further enhance the connection between the backboard and the frame, in an optional embodiment, the first vertical plate is further provided with a plurality of hook structures, the first side frame plate is provided with a plurality of slot structures corresponding to the hook structures, and the hook structures and the slot structures are engaged with each other.
Specifically, as shown in fig. 5a, a corner of the back plate is shown, and as shown in fig. 5b, a cross-sectional view of CC' of fig. 5a, the side plate is provided with a plurality of hook structures 14, in this embodiment, the hooks 14 protrude outward. Fig. 6a is a corner of the frame, and fig. 6b is a cross-sectional view of DD' of fig. 6a, the first side bezel 20 includes a plurality of slot structures 22 opposite to the hook structures 14, when the frame is fastened to the backplane, the hook structures 14 are engaged with the slot structures 22, so as to further improve the seamless connection between the backplane and the frame, effectively block dust from entering the backlight, and improve the display effect of the display device.
In this embodiment, the hook structure and the slot structure are in interference fit. When the frame is buckled on the back plate, the clamping hook structure and the clamping groove structure can also realize the sealed splicing of the backlight source structure. When the backlight source is used for the backlight module, the structure not only can ensure seamless connection between the back plate and the frame, but also can effectively solve the problem of light leakage of the backlight module, and further improves the display effect of the display device.
In an alternative embodiment, as shown in fig. 5a and 5b, a plurality of concave portions or convex portions, or concave portions and convex portions 15 arranged at intervals are arranged at intervals on one side of the first riser in the direction away from the base plate; correspondingly, the second frame plate is provided with a plurality of convex parts or concave parts which are arranged opposite to the first vertical plate, or convex parts and concave parts which are arranged at intervals. When the frame is buckled on the back plate, the concave part and the convex part are clamped, so that the fixed connection between the back plate and the frame can be further enhanced.
In another alternative embodiment, a plurality of convex parts are arranged at intervals on one side of the first riser in the direction away from the bottom plate; the second frame plate comprises a plurality of bayonets which are arranged corresponding to the convex parts. Namely, when the frame is buckled on the back plate, the convex part on the back plate is in clamping connection with the bayonet of the second frame plate, so that the fixed connection between the back plate and the frame can be enhanced. Further, the convex part and the bayonet are in interference fit to further enhance the fixed connection of the back plate and the frame.
In this embodiment, the back plate and the frame are simultaneously provided with a hook structure and a slot structure which are matched with each other, and a convex portion, a concave portion or a convex portion and a concave portion structure which are arranged at intervals, or a structure of the convex portion and the bayonet, so as to further strengthen the fixed connection between the back plate and the frame.
In an alternative embodiment, as shown in fig. 7, the side of the second frame plate away from the bottom plate is further provided with an adhesive tape 23. The tape 23 is used to receive the liquid crystal display and block light leaking from the back plate when the back plate is engaged with the frame. In this embodiment, the adhesive tape is a silicon gasket or a foam adhesive tape, and those skilled in the art should select a suitable adhesive tape according to actual application requirements to implement the above functions, which is not described herein again.
Based on the backlight source, the utility model also provides a liquid crystal display device, including foretell backlight source. The liquid crystal display device can be a liquid crystal display, a notebook computer, a smart phone, a liquid crystal writing pad and the like.
The utility model discloses to current problem at present, formulate a backlight and liquid crystal display device, through the portion of bending that sets up on the curb plate of backplate and the block realization of the portion of turning back that sets up on the first frame plate of frame backplate and the fixed connection of frame can avoid the dust in the air to get into the backlight, improve the dustproof performance of backlight to reduce the light leak risk, effectively compensatied the problem among the prior art, and can promote liquid crystal display device's display effect and user experience.
Obviously, the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention, and it is obvious for those skilled in the art to make other variations or changes based on the above descriptions, and all the embodiments cannot be exhausted here, and all the obvious variations or changes that belong to the technical solutions of the present invention are still in the protection scope of the present invention.
Claims (10)
1. A backlight source is characterized by comprising a back plate and a frame, wherein
The back plate comprises a rectangular bottom plate and side plates formed by bending the edges of the bottom plate upwards, the bottom plate and the side plates form an accommodating space, the side plates are bent to form a first transverse plate, the end parts of the first transverse plate are bent upwards to form a first vertical plate, and the first transverse plate and the first vertical plate form a bent part of the side plates;
the frame comprises four frames which are enclosed and wrapped, each frame comprises a first side frame plate parallel to the side plate, one side of the first side frame plate, which is far away from the bottom plate, is bent to form a second side frame plate, and the first side frame plate is provided with a folding part corresponding to the folding part;
the back plate and the frame are fixedly combined through the clamping of the folding part and the bending part.
2. The backlight of claim 1, wherein the bent portion faces a direction of a center of the bottom plate, and a thickness of a side of the first bezel plate close to the second bezel plate is greater than a thickness of a side of the first bezel plate far from the second bezel plate.
3. The backlight of claim 1, wherein the bending portion faces away from the center of the bottom plate, and a thickness of a side of the first bezel plate close to the second bezel plate is smaller than a thickness of a side of the first bezel plate away from the second bezel plate.
4. The backlight source of any one of claims 1 to 3, wherein the first vertical plate is further provided with a plurality of hook structures, the first side frame plate is provided with a plurality of slot structures corresponding to the hook structures, and the hook structures and the slot structures are engaged with each other.
5. The backlight of claim 4, wherein the hook structures and the slot structures are an interference fit.
6. The backlight of claim 4,
a plurality of concave parts and/or convex parts are arranged on one side of the first vertical plate far away from the direction of the bottom plate at intervals, and the second frame plate comprises a plurality of convex parts and/or concave parts which are arranged corresponding to the concave parts and/or convex parts;
or
The first riser is kept away from one side interval of bottom plate direction is provided with a plurality of convex parts, the second frame board include a plurality of with the bayonet socket that the convex part corresponds the setting.
7. The backlight according to any one of claims 1 to 3,
a plurality of concave parts and/or convex parts are arranged on one side of the first vertical plate far away from the direction of the bottom plate at intervals, and the second frame plate comprises a plurality of convex parts and/or concave parts which are arranged corresponding to the concave parts and/or convex parts;
or
The first riser is kept away from one side interval of bottom plate direction is provided with a plurality of convex parts, the second frame board include a plurality of with the bayonet socket that the convex part corresponds the setting.
8. The backlight of any one of claims 1-3, wherein a side of the second bezel plate facing away from the chassis is further provided with an adhesive tape.
9. The backlight of claim 8, wherein the tape is a silicon gasket or a foam tape.
10. A liquid crystal display device comprising the backlight according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921202170.2U CN210109527U (en) | 2019-07-29 | 2019-07-29 | Backlight source and liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921202170.2U CN210109527U (en) | 2019-07-29 | 2019-07-29 | Backlight source and liquid crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210109527U true CN210109527U (en) | 2020-02-21 |
Family
ID=69566977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921202170.2U Expired - Fee Related CN210109527U (en) | 2019-07-29 | 2019-07-29 | Backlight source and liquid crystal display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210109527U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111261034A (en) * | 2020-03-25 | 2020-06-09 | 京东方科技集团股份有限公司 | Display panel, manufacturing method thereof and display device |
-
2019
- 2019-07-29 CN CN201921202170.2U patent/CN210109527U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111261034A (en) * | 2020-03-25 | 2020-06-09 | 京东方科技集团股份有限公司 | Display panel, manufacturing method thereof and display device |
| US11774670B2 (en) | 2020-03-25 | 2023-10-03 | Beijing Boe Display Technology Co., Ltd. | Display panel, method for manufacturing a display panel and display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200221 |