CN210720953U - Backlight module with cambered surface structure - Google Patents
Backlight module with cambered surface structure Download PDFInfo
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- CN210720953U CN210720953U CN201921737885.8U CN201921737885U CN210720953U CN 210720953 U CN210720953 U CN 210720953U CN 201921737885 U CN201921737885 U CN 201921737885U CN 210720953 U CN210720953 U CN 210720953U
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- back plate
- backlight module
- light scattering
- light
- cambered surface
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Abstract
The utility model discloses a backlight module with a cambered surface structure, which comprises a back plate, a side-in light bar, a light diffusion component and a rubber frame, wherein the light diffusion component is arranged in the back plate, the side-in light bar is arranged in the back plate and is positioned at the side of the light diffusion component, and the rubber frame presses and fixes the light diffusion component in the back plate; the side of the light diffusion component adjacent to the side entry type light bar is provided with a positioning opening, the side of the back plate adjacent to the side entry type light bar is provided with a positioning column, and the light diffusion component and the back plate are installed through the positioning column and the positioning opening; and on the side opposite to the positioning column on the back plate, two corners of the light scattering assembly are abutted with the back plate through L-shaped limiting parts. The utility model is used for promote the convenience of backlight unit installation.
Description
Technical Field
The utility model relates to a backlight unit technical field, concretely relates to cambered surface structure's backlight unit.
Background
The display is the most common equipment in life and work at present, such as computer monitors in offices, televisions in families, commodity display boards in stores, advertising boards in elevators and the like. The conventional display is generally a passive light emitting structure, and the backlight module is required to provide a backlight source to realize a display function, so that the backlight module is an important component of the display. The side income formula backlight unit is backlight unit's one kind, including the astigmatism subassembly of constituteing such as leaded light film, the astigmatism subassembly need be fixed in order to guarantee normal optical effect in the backplate, generally adopts and sets up the cushion around the astigmatism subassembly and fix its chucking mode in the backplate, but each limit all sets up the cushion time equipment trouble, influences backlight unit's production efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem to not enough in the background art, provide a cambered surface structure's that can solve backlight unit.
In order to solve the technical problem, the technical scheme of the utility model is that: a backlight module with a cambered surface structure comprises a back plate, a side-in type light bar, a light scattering assembly and a rubber frame, wherein the light scattering assembly is arranged in the back plate, the side-in type light bar is arranged in the back plate and is positioned on the side surface of the light scattering assembly, and the light scattering assembly is pressed and fixed in the back plate by the rubber frame; the side of the light diffusion component adjacent to the side entry type light bar is provided with a positioning opening, the side of the back plate adjacent to the side entry type light bar is provided with a positioning column, and the light diffusion component and the back plate are installed through the positioning column and the positioning opening; and on the side opposite to the positioning column on the back plate, two corners of the light scattering assembly are abutted with the back plate through L-shaped limiting parts.
Furthermore, the L-shaped limiting part is of a soft structure, a protruding structure is arranged on an angle where the light scattering assembly is abutted to the L-shaped limiting part, and the L-shaped limiting part is abutted to the outer side of the protruding structure.
Furthermore, the backlight module is of a long structure, the long side direction of the backlight module is of an arc surface structure, and the short side direction of the backlight module is of a plane structure; the two lateral light bars are arranged and are respectively arranged on two short edges of the backlight module; the light scattering assembly is supported on the inner side of the side-entering type light bar through the convex structure and the L-shaped limiting part.
Furthermore, the astigmatism assembly comprises a reflective film, a light guide film and an astigmatism film which are sequentially stacked, and the light guide film and the astigmatism film are bonded and fixed together through a double faced adhesive tape.
Furthermore, a slotted structure is arranged on the light guide film, the slotted structure is matched with the double-sided adhesive tape, and the double-sided adhesive tape is bonded in the slotted structure.
Furthermore, the back plate is clamped with the rubber frame.
Furthermore, the back plate and the rubber frame are bonded through edge wrapping glue.
The utility model discloses the beneficial effect who realizes mainly has following several: the light scattering component can be fixed in the back plate on four sides of the light scattering component through the group of positioning openings, the positioning columns and the two groups of L-shaped limiting parts, so that the light scattering component is stably fixed in the back plate; and the fixing structure formed by the positioning opening, the positioning column and the L-shaped limiting part is simple, the backlight module is easy to assemble, the assembling efficiency of the backlight module can be improved, and the assembling cost can be reduced.
Drawings
Fig. 1 is an exploded schematic view of a backlight module according to an embodiment of the present invention;
fig. 2 is a schematic structural view illustrating an installation of a back plate, a side-in light bar and a light guide film of a backlight module according to an embodiment of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is an enlarged view of the portion B in FIG. 2;
FIG. 5 is an enlarged view of the portion C of FIG. 2;
fig. 6 is a schematic structural view illustrating an installation of a back plate and a side-in light bar of a backlight module according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a back plate of a backlight module according to an embodiment of the present invention.
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted; the same or similar reference numerals correspond to the same or similar parts; the terms describing positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the patent.
Detailed Description
To facilitate understanding for those skilled in the art, the present invention will be described in further detail with reference to the accompanying drawings and examples.
Example one
Referring to fig. 1 to 7, an overall back surface module of a backlight module with a cambered surface structure is a cambered surface structure, one direction is a cambered surface structure, and the other direction is a plane structure. Backlight unit is formula structure is gone into to side, including backplate 1, formula lamp strip 2, astigmatic subassembly 3 and gluey frame 4 are gone into to side, and backplate 1 generally is stamping forming's metal casing structure, has bottom plate and side all around. The light scattering component 3 is arranged in the back plate 1, is generally fixed on a bottom plate of the back plate 1 and can be fixed in a mode of bonding by a double-sided adhesive tape and the like; the rubber frame 4 is a frame-shaped structure and is fixed on the side edge of the periphery of the back plate 1 to further press and fix the light diffusion component 3 in the back plate 1. The side-in type light bar 2 is arranged in the back plate 1 and is positioned on the side face of the light diffusion component 3, so that the side-in type light bar 2 emits light to irradiate the light diffusion component 3; formula lamp strip 2 is gone into to side can set up to the luminous structure in top, bonds through heat conduction double faced adhesive tape 21 and fixes on the medial surface of 1 side of backplate, and formula lamp strip 2 is gone into to side also can set up to the luminous structure in side, bonds through heat conduction double faced adhesive tape 21 and fixes in the bottom plate of backplate 1 inboard. The bottom of the back plate 1 is provided with a through hole 13, and the extending end 23 of the side-in type light bar 2 can extend out of the back surface of the back plate 1 through the through hole 13 so as to be connected with an external power supply; the protruding end 23 is fixed on the back plate 1 through the adhesive paper 22 on the back surface of the back plate 1.
Referring to fig. 2 to 4, the light diffusion assembly 3 is provided with a positioning opening 31 at one side adjacent to the side-in type light bar 2, the back plate 1 is provided with a positioning column 11 at one side adjacent to the side-in type light bar 2 (the positioning opening 31 and the positioning column 11 are not at one side corresponding to the side-in type light bar 2, so as to avoid influencing the light entering the light diffusion assembly 3 from the side-in type light bar 2), and the positioning opening 31 and the positioning column 11 are arranged at or near the central position of one side of the backlight module; when the light scattering assembly 3 is installed with the back plate 1, the light scattering assembly 3 and the back plate 1 are installed through the positioning column 11 and the positioning opening 31, and the positioning column 11 is clamped into the positioning opening 31. Meanwhile, on the side of the back plate 1 opposite to the positioning column 11, two corners of the light diffusion component 3 are abutted to two corners of the back plate 1 through L-shaped limiting pieces 12, and the L-shaped limiting pieces 12 are preferably bonded to the back plate 1 or the light diffusion component 3 through double-sided adhesive tapes. In the above structure, the positioning opening 31 may be provided only on the light guide film 34, the L-shaped position limiting member 12 may be abutted only on the light guide film 34, and the structures such as the reflective film and the light-diffusing film may be adhered and fixed to the light guide film 34. Therefore, the light scattering component 3 can be fixed in the back plate 1 at four sides of the light scattering component 3 through the group of positioning openings 31, the positioning columns 11 and the two groups of L-shaped limiting parts 12, and the light scattering component 3 is stably fixed in the back plate; the fixing structure formed by the positioning opening 31, the positioning column 11 and the L-shaped limiting piece 12 is simple, the backlight module is easy to assemble, the assembling efficiency of the backlight module can be improved, and the assembling cost can be reduced.
Referring to fig. 2 to 4, as a further preferred embodiment, the L-shaped position limiting member 12 is a soft structure, such as a silica gel pad, and the light scattering assembly 3 can be more stably clamped in the back plate 1 by using the soft structure. The corners of the light scattering component 3, which are abutted to the L-shaped limiting part 12, are preferably provided with a convex structure 32, and the L-shaped limiting part 12 is abutted to the outer side of the convex structure 32 during installation; the astigmatism component 3 is supported on the inner side of the lateral light bar 2 through the convex structure 32 and the L-shaped limiting part 12, and the lateral light bar 2 and the astigmatism component 3 are ensured to have a proper distance, so that the optimal optical effect is obtained, the L-shaped limiting part 12 and the astigmatism component 3 can be installed more easily, and the astigmatism component 3 can be ensured to be abutted against the back plate 1 more reliably.
Referring to fig. 1 to 7, the backlight module may be configured to have a structure with substantially the same length and width, and only one side of the side-entry light bar 2 may enter light. The backlight module in this embodiment is a long arc-shaped structure, and is longer in the long side direction, the long side direction of the backlight module is the arc-shaped structure, and the short side direction of the backlight module is a planar structure. The two lateral light bars 2 are respectively arranged on the short sides of the two planar structures of the backlight module, and the two lateral light bars 2 can ensure the brightness of the long and narrow backlight module; the two lateral light bars 2 are arranged on the short edges of the two plane structures, so that the lateral light bars are not easy to deform when being bonded and fixed, and the circuit structure of the lateral light bars can be prevented from being abnormal due to the deformation of the light bars; meanwhile, the side-entry light bar is easier to match with the light scattering assembly, and the optical effect of the backlight module is ensured.
Referring to fig. 1, 2 and 5, the specific structure of the light diffusion assembly 3 can be selected according to the optical requirement, for example, a single expansion structure, an expansion structure and the like are adopted, in this embodiment, the light diffusion assembly 3 adopts a single expansion structure, and includes a reflective film 33, a light guide film 34 and a light diffusion film 35 which are sequentially stacked, the reflective film 33 can be bonded to the inner side of the back plate 1 through a double-sided adhesive, the light guide film 34 can be directly stacked on the reflective film 33, and the light guide film 34 and the light diffusion film 35 are bonded and fixed together through a double-sided adhesive 341. Preferably, the light guide film 34 is provided with a slotted structure 342, the slotted structure 342 is adapted to the double-sided adhesive tape 341, that is, the slotted structure 342 is the same as the double-sided adhesive tape 341 in size and thickness, one side of the double-sided adhesive tape 341 is bonded in the slotted structure 342, and the other side of the double-sided adhesive tape 341 is bonded to the light-diffusing film, so that the light-diffusing film 35 is more flat when bonded to the light guide film 34, and a better optical effect can be achieved.
Referring to fig. 1, the back plate 1 and the rubber frame 4 can be clamped and fixed together through a clamping structure, in order to enhance the dustproof performance of the backlight module and the tightness of the connection between the rubber frame and the back plate, the back plate 1 and the side surface of the rubber frame 4 are preferably bonded through the edge covering rubber 5, and the connection between the back plate 1 and the rubber frame 4 is better sealed.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. 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 claims of the present invention.
Claims (7)
1. The utility model provides a backlight unit of cambered surface structure which characterized in that: the light scattering module comprises a back plate (1), a side-in type light bar (2), a light scattering component (3) and a rubber frame (4), wherein the light scattering component (3) is arranged in the back plate (1), the side-in type light bar (2) is arranged in the back plate (1) and is positioned on the side face of the light scattering component (3), and the light scattering component (3) is pressed and fixed in the back plate (1) by the rubber frame (4); the side, adjacent to the side-in type light bar (2), of the light scattering component (3) is provided with a positioning opening (31), the side, adjacent to the side-in type light bar (2), of the back plate (1) is provided with a positioning column (11), and the light scattering component (3) and the back plate (1) are installed through the positioning column (11) and the positioning opening (31); and on one side of the back plate (1) opposite to the positioning column (11), two corners of the light scattering assembly (3) are abutted with the back plate (1) through an L-shaped limiting piece (12).
2. The backlight module with cambered surface structure of claim 1, wherein: the L-shaped limiting part (12) is of a soft structure, a protruding structure (32) is arranged on the corner where the light scattering component (3) is abutted to the L-shaped limiting part (12), and the L-shaped limiting part (12) is abutted to the outer side of the protruding structure (32).
3. The backlight module with cambered surface structure as claimed in claim 2, wherein: the backlight module is of a long structure, the long side direction of the backlight module is of an arc surface structure, and the short side direction of the backlight module is of a plane structure; the two lateral light bars (2) are arranged and are respectively arranged on two short edges of the backlight module; the light scattering assembly (3) is supported on the inner side of the side-in type light bar (2) through a convex structure (32) and an L-shaped limiting part (12).
4. The backlight module with cambered surface structure of claim 3, wherein: the light scattering assembly (3) comprises a reflective film (33), a light guide film (34) and a light scattering film (35) which are sequentially stacked, and the light guide film (34) and the light scattering film (35) are fixedly bonded together through a double-faced adhesive tape (341).
5. The backlight module with cambered surface structure of claim 4, wherein: the light guide film (34) is provided with a slotted structure (342), the slotted structure (342) is matched with a double-sided adhesive tape (341), and the double-sided adhesive tape (341) is bonded in the slotted structure (342).
6. The backlight module with the cambered surface structure as claimed in any one of claims 1 to 5, wherein: the back plate (1) is clamped with the rubber frame (4).
7. The backlight module with cambered surface structure of claim 6, wherein: the back plate (1) is bonded with the rubber frame (4) through edge wrapping rubber (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921737885.8U CN210720953U (en) | 2019-10-17 | 2019-10-17 | Backlight module with cambered surface structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921737885.8U CN210720953U (en) | 2019-10-17 | 2019-10-17 | Backlight module with cambered surface structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210720953U true CN210720953U (en) | 2020-06-09 |
Family
ID=70935936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921737885.8U Active CN210720953U (en) | 2019-10-17 | 2019-10-17 | Backlight module with cambered surface structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210720953U (en) |
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2019
- 2019-10-17 CN CN201921737885.8U patent/CN210720953U/en active Active
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