CN218213699U - Backlight convenient to dismouting - Google Patents
Backlight convenient to dismouting Download PDFInfo
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- CN218213699U CN218213699U CN202221964502.2U CN202221964502U CN218213699U CN 218213699 U CN218213699 U CN 218213699U CN 202221964502 U CN202221964502 U CN 202221964502U CN 218213699 U CN218213699 U CN 218213699U
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- frame
- backlight
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Abstract
The utility model relates to a LED backlight technical field, concretely relates to backlight convenient to dismouting. The backlight source convenient to disassemble and assemble comprises a connecting outer frame and a backlight source module; the connecting outer frame comprises an upper frame and a lower frame which are connected; the periphery of the upper frame is provided with a plurality of upper through grooves, and the side ends of the upper frame are provided with a plurality of side through grooves communicated with the upper through grooves; a light-transmitting window is arranged in the middle of the upper frame, a check ring is arranged on the inner side of the light-transmitting window, and a foam plastic frame is arranged at the bottom of the check ring; the middle part of the lower frame is provided with an annular frame which protrudes upwards; the periphery of the lower frame is provided with a clamp spring piece at a position corresponding to the side through groove, the clamp spring piece comprises a longitudinal piece, a transverse piece arranged at the top end of the longitudinal piece and an elastic piece arranged at the end part of the transverse piece, the bottom end of the longitudinal piece is rotatably connected to the lower frame, the transverse piece extends into the side through groove, and the elastic piece extends into the upper through groove; the backlight module is arranged in the annular frame, and the top of the backlight module is attached to and contacted with the foam rubber frame. The utility model provides a current inconvenient problem of backlight dismouting.
Description
Technical Field
The utility model relates to a LED backlight technical field, concretely relates to backlight convenient to dismouting.
Background
The backlight source is a light source positioned at the back of the liquid crystal display, the luminous effect of the backlight source directly influences the visual effect of the liquid crystal display module, the liquid crystal display does not emit light, and the backlight source displays figures or the result of light modulation.
The clamping is realized through the fixture block and the clamping groove cooperation of locating the side more to current backlight outside frame, when needing to overhaul the backlight module, and the difficult dismantlement separation of lower frame leads to overhauing inconveniently on it.
Therefore, it is necessary to provide a technical solution to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a backlight convenient to dismouting aims at solving current backlight outside frame and realizes the joint through the fixture block and the draw-in groove cooperation of locating the side more, when needs overhaul the backlight module, and the difficult dismantlement separation of lower frame leads to overhauing inconvenient problem about it.
In order to achieve the above object, the utility model provides a backlight convenient to dismouting, including connecting frame and backlight module, wherein:
the connecting outer frame comprises an upper frame and a lower frame which are connected; a plurality of downward upper through grooves are formed in the periphery of the upper frame, and a plurality of side through grooves which are respectively communicated with the upper through grooves are formed in the side ends of the upper frame; a light-transmitting window is arranged in the middle of the upper frame, a check ring formed by inward extension is arranged on the side wall of the light-transmitting window, and a foam rubber frame is arranged at the bottom of the check ring; the middle part of the lower frame is provided with an annular frame which protrudes upwards and is matched with the light-transmitting window; the periphery of the lower frame is provided with a clamp spring piece at a position corresponding to the side through groove, the clamp spring piece comprises a longitudinal piece, a transverse piece arranged at the top end of the longitudinal piece and an elastic piece arranged at the end part of the transverse piece, the bottom end of the longitudinal piece is rotatably connected to the lower frame, the transverse piece extends into the side through groove, and the elastic piece extends into the upper through groove;
the backlight module is arranged in the annular frame, and the top of the backlight module is attached to and contacted with the foam rubber frame.
More specifically, the foam rubber frame is formed by four foam rubber strips in a surrounding mode, and grooves and protruding blocks which are matched with each other are correspondingly arranged at the end portions of two adjacent foam rubber strips.
More specifically, a gap of 0.3mm to 0.5mm is reserved between the groove wall of the groove and the outer wall of the bump.
More specifically, the lower frame is provided with a plurality of connecting blocks, the middle parts of the connecting blocks are provided with connecting grooves, and two sides of each connecting groove are respectively provided with a round hole outwards; and two sides of the bottom end of the longitudinal piece respectively extend outwards to form a rotating shaft, and the rotating shaft is rotatably connected in the round hole.
More specifically, the backlight module comprises a light guide plate, a reflector plate, a diffusion sheet and an FPC board; the reflector plate is arranged below the light guide plate; the diffusion sheet is arranged above the light guide plate; the FPC board is arranged at the side end of the light guide plate, and a plurality of LED lamp beads are arranged on one side, close to the light guide plate, of the FPC board.
More specifically, a light-intensifying adhesive tape is arranged between the diffusion sheet and the light guide plate.
More specifically, the diffusion sheet and the periphery of the light-increasing patch are correspondingly provided with positioning holes, the side end of the light guide plate is provided with a positioning column formed by extending upwards, and the positioning column extends into the positioning holes.
More specifically, the periphery of the light reflecting sheet is provided with a limiting sheet which is formed by bending upwards, and the limiting sheet is attached to and contacted with the outer wall of the light guide plate.
The utility model relates to a pair of backlight convenient to dismouting's technological effect does:
1. this application increases the jump ring spare and realizes going up being connected of frame and underframe, when needs dismantle the maintenance, only needs press the flexure strip on the jump ring spare, makes it withdraw from last logical groove outside, pulls again vertical piece and makes the horizontal piece withdraw from outside the logical groove of side can make jump ring spare disconnection and last frame be connected for go up the frame and can easily detach with the underframe.
2. This application adopts the design of bubble celloidin frame, and the bubble celloidin frame compresses tightly the backlight module and fills the clearance between backlight module and the retaining ring, blocks that the light of backlight module jets out from the clearance between backlight module and the retaining ring. Thereby reach the effect of improving optical effect for this backlight module can reach fine visual effect.
Drawings
Fig. 1 is a schematic structural view of a backlight source convenient to disassemble and assemble according to the present invention;
FIG. 2 is an enlarged schematic view at A in FIG. 1;
fig. 3 is an exploded view of a backlight source according to the present invention;
FIG. 4 is an enlarged schematic view at B of FIG. 3;
fig. 5 is a schematic view of an internal structure of a backlight source convenient to disassemble and assemble according to the present invention;
fig. 6 is a partial schematic view of a backlight module in a backlight source convenient to disassemble and assemble according to the present invention;
fig. 7 is a schematic structural view of another viewing angle of the backlight module in the backlight source convenient for disassembly and assembly according to the present invention;
fig. 8 is a schematic structural view of a snap spring in a backlight source convenient for disassembly and assembly according to the present invention.
The mark in the figure is:
1-connecting the outer frame; 2-backlight source module;
11-an upper frame; 111-upper through groove; 112-side through groove; 113-a light-transmissive window; 114-a retainer ring; 12-a lower frame; 121-ring frame; 122-connecting block; 123-connecting groove; 13-soaking a cotton rubber frame; 131-foam adhesive tape; 132-a groove; 133-a bump; 14-a circlip member; 141-longitudinal pieces; 142-a transverse sheet; 143-an elastic sheet; 144-a rotating shaft;
21-a light guide plate; 211-a positioning post; 22-a reflector plate; 221-limiting piece; 23-a diffusion sheet; 231-positioning holes; 24-FPC board; 25-LED lamp beads; 26-brightening patch; 27-elastic rubber blocks; 28-light-transmitting protective sticking cloth;
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the description of the embodiments of the present invention, it should be understood that the orientations and positional relationships indicated by the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like are based on the orientations and positional relationships shown in the drawings and are only for convenience in describing the embodiments of the present invention and for simplicity in description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
To more clearly illustrate the technical solution of the present invention, the following provides a preferred embodiment, specifically referring to fig. 1 to 8, a backlight convenient to mount and dismount includes a connecting frame 1 and a backlight module 2, wherein:
the connecting outer frame 1 comprises an upper frame 11 and a lower frame 12 which are connected; a plurality of upper through grooves 111 which are formed downwards are formed in the periphery of the upper frame 11, and a plurality of side through grooves 112 which are respectively communicated with the upper through grooves 111 are formed in the side ends of the upper frame; a light-transmitting window 113 is formed in the middle of the upper frame 11, a retaining ring 114 formed by extending inwards is arranged on the side wall of the light-transmitting window 113, and a foam rubber frame 13 is arranged at the bottom of the retaining ring 114; the middle part of the lower frame 12 is provided with an annular frame 121 which protrudes upwards and is matched with the light-transmitting window 113; the periphery of the lower frame 12 is provided with a snap spring element 14 at a position corresponding to the side through groove 112, the snap spring element 14 includes a longitudinal plate 141, a transverse plate 142 arranged at the top end of the longitudinal plate 141, and an elastic plate 143 arranged at the end of the transverse plate 142, the bottom end of the longitudinal plate 141 is rotatably connected to the lower frame 12, the transverse plate 142 extends into the side through groove 112, and the elastic plate 143 extends into the upper through groove 111;
the backlight module 2 is arranged in the annular frame 121, and the top of the backlight module is attached to and contacted with the foam rubber frame 13.
In this embodiment, the annular frame 121 and the light-transmitting window 113 cooperate to limit the movement of the upper frame 11 and the lower frame 12 in the plane direction, and then the transverse pieces 142 and the elastic pieces 143 engage with the side through slots 112 and the upper through slot 111 to limit the movement of the upper frame 11 and the lower frame 12 in the vertical direction, this design not only stabilizes the connection between the upper frame 11 and the lower frame 12, but also, when the backlight needs to be disassembled and repaired, only the elastic pieces 143 on the snap spring elements 14 need to be pressed to withdraw from the upper through slots 111, and then the longitudinal pieces 141 are pulled to withdraw the transverse pieces 142 from the side through slots 112 to disconnect the snap spring elements 14 from the upper frame 11, so that the upper frame 11 and the lower frame 12 can be easily disassembled.
Further, in this embodiment, the foam frame 13 is adopted to press the backlight module 2 to fill the gap between the backlight module 2 and the retaining ring 114, so as to block the light of the backlight module 2 from being emitted from the gap between the backlight module 2 and the retaining ring 114. Thereby achieving the effect of improving the optical effect and enabling the backlight module 2 to achieve good visual effect.
As a preferable scheme of this embodiment, the foam rubber frame 13 is formed by surrounding four foam rubber strips 131, and the end portions of two adjacent foam rubber strips 131 are correspondingly provided with a groove 132 and a projection 133 which are matched with each other. It should be noted that, need to leave between the cotton adhesive tape 131 of bubble and be equipped with the clearance in order to avoid two the overlapping condition to high appears in the cotton adhesive tape 131 of bubble, and the leaving in clearance establishes can lead to dust, powder to follow in the clearance gets into backlight module 2, influence the leaded light quality. Therefore, in this embodiment, the two foam adhesive tapes 131 form a mortise and tenon structure by matching the groove 132 and the protrusion 133, so that the joints of the two foam adhesive tapes 131 are engaged with each other, and an attachment gap is reserved, and a partition structure is formed, so that foreign matters cannot directly and smoothly enter the backlight module 2.
As a preferable solution of this embodiment, a gap of 0.3mm to 0.5mm is left between the groove wall of the groove 132 and the outer wall of the protrusion 133.
As a preferable scheme of this embodiment, a plurality of connecting blocks 122 are disposed on the lower frame 12, a connecting groove 123 is disposed in the middle of each connecting block 122, and two sides of each connecting groove 123 are respectively and outwardly provided with a circular hole; two sides of the bottom end of the longitudinal piece 141 respectively extend outwards to form a rotating shaft 144, and the rotating shaft 144 is rotatably connected in the round hole.
In a preferred embodiment of the present invention, the backlight module 2 includes a light guide plate 21, a reflective sheet 22, a diffusion sheet 23, and an FPC board 24; the reflecting sheet 22 is arranged below the light guide plate 21; the diffusion sheet 23 is arranged above the light guide plate 21; the FPC board 24 is arranged at the side end of the light guide plate 21, and a plurality of LED lamp beads 25 are arranged on one side of the FPC board close to the light guide plate 21.
In a preferred embodiment of the present invention, a light-intensifying paster 26 is disposed between the diffusion sheet 23 and the light guide plate 21.
In a preferred embodiment of the present invention, positioning holes 231 are formed on the diffusion sheet 23 and the light-increasing patch 26 in the periphery thereof, positioning posts 211 extending upward are disposed at the side ends of the light guide plate 21, and the positioning posts 211 extend into the positioning holes 231. This design improves the positional stability of the diffusion sheet 23 and the light intensifying patch 26.
As a preferable scheme of this embodiment, the periphery of the reflective sheet is provided with a limiting sheet 221 formed by bending upwards, and the limiting sheet 221 contacts with the outer wall of the light guide plate 21. This design improves the stability of the reflector position.
As a preferable scheme of this embodiment, an elastic rubber block 27 is disposed at a side end of the light guide plate 21, and the elastic rubber block 27 is respectively attached to the inner wall of the annular frame 121 and the outer wall of the light guide plate 21. The design makes the light guide plate 21 stably attached to the inner side of the annular frame 121, and improves the position stability of the light guide plate 21.
As a preferable scheme of this embodiment, a light-transmitting protective patch 28 for shielding the light-transmitting window 113 is disposed on the top of the upper frame 11.
The utility model relates to a backlight convenient to dismouting through reasonable structure setting, has solved the many fixture blocks and the draw-in groove cooperation realization joints through locating the side of present backlight outside frame, when needs overhaul the backlight module, the difficult dismantlement separation of lower frame on it leads to overhauing inconvenient problem.
The above description is only for the preferred embodiment of the present invention, and the structure is not limited to the above-mentioned shape, and any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a backlight convenient to dismouting which characterized in that: including connecting frame and backlight module, wherein:
the connecting outer frame comprises an upper frame and a lower frame which are connected; a plurality of upper through grooves which are arranged downwards are formed in the periphery of the upper frame, and a plurality of side through grooves which are respectively communicated with the upper through grooves are formed in the side ends of the upper frame; a light-transmitting window is arranged in the middle of the upper frame, a check ring formed by inward extension is arranged on the side wall of the light-transmitting window, and a foam rubber frame is arranged at the bottom of the check ring; the middle part of the lower frame is provided with an annular frame which protrudes upwards and is matched with the light-transmitting window; the periphery of the lower frame is provided with a clamp spring piece at a position corresponding to the side through groove, the clamp spring piece comprises a longitudinal piece, a transverse piece arranged at the top end of the longitudinal piece and an elastic piece arranged at the end part of the transverse piece, the bottom end of the longitudinal piece is rotatably connected to the lower frame, the transverse piece extends into the side through groove, and the elastic piece extends into the upper through groove;
the backlight module is arranged in the annular frame, and the top of the backlight module is attached to and contacted with the foam rubber frame.
2. A readily removable backlight as claimed in claim 1, wherein: the foam rubber frame is formed by four foam rubber strips in a surrounding mode, and grooves and protruding blocks which are matched with each other are correspondingly arranged at the end portions of two adjacent foam rubber strips.
3. A readily demountable backlight according to claim 2, wherein: and a gap of 0.3mm to 0.5mm is reserved between the groove wall of the groove and the outer wall of the lug.
4. A ready-to-mount backlight as claimed in claim 1, wherein: the lower frame is provided with a plurality of connecting blocks, the middle parts of the connecting blocks are provided with connecting grooves, and two sides of each connecting groove are respectively provided with round holes outwards; and two sides of the bottom end of the longitudinal piece respectively extend outwards to form a rotating shaft, and the rotating shaft is rotatably connected in the round hole.
5. A readily removable backlight as claimed in claim 1, wherein: the backlight module comprises a light guide plate, a reflecting sheet, a diffusion sheet and an FPC (flexible printed circuit) board; the reflector plate is arranged below the light guide plate; the diffusion sheet is arranged above the light guide plate; the FPC board is arranged at the side end of the light guide plate, and a plurality of LED lamp beads are arranged on one side, close to the light guide plate, of the FPC board.
6. A ready-to-mount backlight as recited in claim 5, wherein: and a light intensifying sticking cloth is arranged between the diffusion sheet and the light guide plate.
7. The backlight of claim 6, wherein: the diffusion sheet and the periphery of the light-increasing adhesive cloth are correspondingly provided with positioning holes, the side end of the light guide plate is provided with a positioning column formed by extending upwards, and the positioning column extends into the positioning holes.
8. A ready-to-mount backlight as recited in claim 5, wherein: the periphery of reflector plate is equipped with the spacing piece that upwards buckles and form, spacing piece with the outer wall of light guide plate pastes mutually and touches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221964502.2U CN218213699U (en) | 2022-07-27 | 2022-07-27 | Backlight convenient to dismouting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221964502.2U CN218213699U (en) | 2022-07-27 | 2022-07-27 | Backlight convenient to dismouting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218213699U true CN218213699U (en) | 2023-01-03 |
Family
ID=84651323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221964502.2U Active CN218213699U (en) | 2022-07-27 | 2022-07-27 | Backlight convenient to dismouting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218213699U (en) |
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2022
- 2022-07-27 CN CN202221964502.2U patent/CN218213699U/en active Active
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