CN219435173U - Shading sheet for manufacturing backlight assembly and backlight assembly - Google Patents
Shading sheet for manufacturing backlight assembly and backlight assembly Download PDFInfo
- Publication number
- CN219435173U CN219435173U CN202320462997.7U CN202320462997U CN219435173U CN 219435173 U CN219435173 U CN 219435173U CN 202320462997 U CN202320462997 U CN 202320462997U CN 219435173 U CN219435173 U CN 219435173U
- Authority
- CN
- China
- Prior art keywords
- film
- light shielding
- sided adhesive
- backlight assembly
- fpc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 239000010408 film Substances 0.000 claims abstract description 86
- 230000001070 adhesive effect Effects 0.000 claims abstract description 84
- 239000000853 adhesive Substances 0.000 claims abstract description 83
- 230000001681 protective effect Effects 0.000 claims abstract description 14
- 239000012788 optical film Substances 0.000 claims abstract description 12
- 239000003292 glue Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 abstract description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000004880 explosion Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000012528 membrane Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 235000009537 plain noodles Nutrition 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Landscapes
- Planar Illumination Modules (AREA)
Abstract
The utility model relates to a shading sheet for manufacturing a backlight assembly and the backlight assembly, wherein the shading sheet comprises a release film, a shading film and a single-sided adhesive and protective film, wherein the release film is adhered on one side surface of the shading film, the other side surface of the shading film is an adhesive surface, at least one part of the adhesive surface of the shading film is connected with one side surface of the single-sided adhesive, and the protective film is adhered on the other side surface of the single-sided adhesive. The backlight assembly comprises a light guide plate and an LED lamp, wherein an optical film is arranged on the light emitting surface of the light guide plate, a shading film of a shading sheet is adhered on the surface of the optical film, the LED lamp is connected to one side surface of the FPC, a gap is formed between the other side surface of the FPC and the shading film, and one side surface of the FPC is adhered and filled in the gap. When the backlight component is manufactured, the light shielding film and the single-sided adhesive integrated material are used for reducing the manual operation link of assembly and single-sided adhesive, and the automatic assembly can be completed completely by means of equipment, so that the assembly efficiency and the assembly precision are improved.
Description
Technical Field
The utility model relates to the technical field of display devices, in particular to a shading sheet for manufacturing a backlight assembly and the backlight assembly.
Background
In the backlight structure, because of the functional requirement, a thicker optical film is required, and after the thicker optical film is used, the gap between the light shielding sheet covered on the film and the FPC (flexible printed circuit) is increased, and the increased gap part is the thickened thickness of the film. After the backlight finished product is assembled, the light shielding sheet has viscosity, and due to the existence of a gap, the light shielding sheet can adhere to the FPC and carry up LEDs connected with the FPC, so that the backlight is exploded.
In order to prevent the problem, a single-sided adhesive is often added on the surface of the FPC to fill gaps, and the shading sheet and the FPC are integrally formed, so that the problem of explosion caused by taking up the FPC is avoided. However, this structure often requires manual attachment, and the assembly process is: firstly assembling the FPC, namely connecting the FPC with the LEDs, manually assembling the single-sided adhesive on the FPC, and automatically assembling other films and the light shielding films through a machine. In the middle, manual single-sided adhesive action is required, and assembly efficiency is low.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a shading sheet for manufacturing a backlight assembly and the backlight assembly, and aims to reduce manual operation links of single-sided adhesive assembly in the manufacturing process of the backlight assembly, improve the degree of automatic assembly and further improve the assembly efficiency and the assembly precision.
The technical scheme adopted by the utility model is as follows:
the application provides a shading sheet for manufacturing a backlight assembly, which comprises a release film, a shading film, a single-sided adhesive and a protective film, wherein the release film is pasted on one side surface of the shading film, the other side surface of the shading film is an adhesive surface, at least one part of the adhesive surface of the shading film is connected with one side surface of the single-sided adhesive, and the other side surface of the single-sided adhesive is pasted with the protective film.
The further technical scheme is as follows:
the two single-sided sticky side surfaces are respectively a sticky surface and a non-sticky surface, and the connection with at least one part of the sticky surface of the shading film is a single-sided sticky surface or a non-sticky surface.
The shading film is of a hollow structure surrounded by four side edges, and the single side is adhered to at least one side edge of the shading film.
The single face is adhered to at least one short side of the shading film.
And the release film and the protective film are made of PET materials.
The application also provides a use backlight unit of anti-dazzling screen preparation, including light guide plate and LED lamp, set up the optical film on the play plain noodles of light guide plate, the adhesion on the surface of optical film the shading film of anti-dazzling screen, the LED lamp is connected in one side of FPC, FPC another side with form the clearance between the shading film, single face glue fill in the clearance.
The further technical scheme is as follows:
the non-adhesive surface with one side being adhered closely contacts with the FPC, and the shading film and the FPC are not adhered into a whole.
The adhesive surface with one side being adhered to the FPC, so that the shading film and the FPC are adhered into a whole.
A reflecting sheet is arranged on one side surface of the light guide plate, which is opposite to the light emergent surface.
Still include chase and glue the frame, glue the frame set up in the chase, the light guide plate with the LED lamp set up in glue in the frame.
The beneficial effects of the utility model are as follows:
the backlight assembly of the application is integrated with the single-sided adhesive material through the shading film, so that the step of assembling the single-sided adhesive material is saved, automatic assembly is finished by means of mechanical equipment, manual operation is not needed, the assembly efficiency is greatly improved, and the assembly precision is ensured. In addition, the problem of instability of manual assembly is avoided, and the hidden trouble that glue overflows to pollute the light guide plate due to the fact that the single-sided adhesive is pressed when the single-sided adhesive is required to be pressed during assembly is avoided.
By adopting the backlight assembly manufactured by the light shielding sheet, the light shielding sheet and the FPC are connected into a whole, or the light shielding sheet and the FPC are not connected into a whole, so that the flexibility of the assembly structure is improved. The assembled diaphragm structure is compact and firm in any structure, and no gap exists, so that the problem that the LED is taken up to cause backlight explosion due to the fact that the FPC is taken up by the anti-dazzling screen is effectively avoided.
Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
Fig. 1 is a schematic cross-sectional view of a light shielding sheet according to an embodiment of the present utility model.
Fig. 2 is a schematic front view and a schematic top view of a light shielding sheet according to an embodiment of the present utility model.
Fig. 3 is a schematic structural view of a backlight assembly fabricated using a light shielding sheet according to an embodiment of the present utility model.
Fig. 4 is a schematic view illustrating an assembled state of a light shielding sheet when manufacturing a backlight assembly according to an embodiment of the present utility model.
In the figure: 1. a release film; 2. a light shielding film; 3. single-sided sticking; 4. a protective film; 5. a light guide plate; 6. an optical film; 7. an FPC; 8. an LED lamp; 9. a rubber frame; 10. an iron frame; 11. and a reflective sheet.
Detailed Description
The following describes specific embodiments of the present utility model with reference to the drawings.
Example 1
As shown in fig. 1, the light shielding sheet for manufacturing a backlight assembly of the present embodiment includes a release film 1, a light shielding film 2, a single-sided adhesive 3, and a protective film 4, wherein the release film 1 is attached to one side surface of the light shielding film 2, the other side surface of the light shielding film 2 is an adhesive surface, at least a part of the adhesive surface of the light shielding film 2 is connected to one side surface of the single-sided adhesive 3, and the protective film 4 is attached to the other side surface of the single-sided adhesive 3.
In the above embodiment, the two side surfaces of the single-sided adhesive 3 are the adhesive surface and the non-adhesive surface, respectively, and the adhesive surface or the non-adhesive surface of the single-sided adhesive 3 connected to at least a part of the adhesive surface of the light shielding film 2. That is, the light shielding sheet of the present embodiment may be provided in two structures: the first is that the adhesive surface of the single-sided adhesive 3 is connected with the adhesive surface of the light shielding film 2, and the non-adhesive surface of the single-sided adhesive 3 is connected with the protective film 4. The second is that the adhesive surface of the single-sided adhesive 3 is connected with the protective film 4, and the adhesive surface of the single-sided adhesive 3 is connected with the adhesive surface of the light shielding film 2. Either of which can be used to make a backlight assembly.
The shading film 2 is of a hollow structure surrounded by four side edges, and the single-sided adhesive 3 is arranged on at least one side edge of the shading film 2.
The single-sided adhesive 3 may be specifically provided on at least one short side of the light shielding film 2. Referring to fig. 2, in fig. 2, (a) and (b) are respectively a front side (front view) and a back side (top view) of the light shielding sheet, and a single side is adhered to the back side of the light shielding film and is located on a short side of the bottom thereof.
In the manufacturing process of the shading sheet, one side of the shading sheet can be firstly punched and cut to be adhered with the shading film, and then the one side of the shading sheet is adhered with the shading film to form an integrated material.
Example 2
Referring to fig. 3, the backlight assembly of the present embodiment, which is manufactured by using the light shielding sheet, includes a light guide plate 5 and an LED lamp 8, wherein an optical film 6 is disposed on the light emitting surface of the light guide plate 5, a light shielding film 2 of the light shielding sheet is adhered on the surface of the optical film 6, the LED lamp 8 is connected to one side of the FPC 7, a gap is formed between the other side of the FPC 7 and the light shielding film 2, and the single-sided adhesive 3 is filled in the gap.
The light guide plate 5 is provided with a reflecting sheet 11 on a side surface opposite to the light emitting surface.
The backlight assembly further comprises an iron frame 10 and a rubber frame 9, wherein the rubber frame 9 is arranged in the iron frame 10, and the light guide plate 5 and the LED lamp 8 are arranged in the rubber frame 9.
Referring to fig. 4, the present embodiment uses a flow of fabricating a backlight assembly using a light shielding sheet:
first, as shown in fig. 4 (a), the FPC 7 is connected to the LED lamp 8;
in the second step, as shown in fig. 4 (b), the release film and the protective film of the light shielding sheet are torn off, the light shielding film 2 is attached to the surface of the corresponding film sheet (optical film 6 in fig. 3), and the single-sided adhesive 3 attached to the short side of the light shielding film 2 automatically fills the gap between the light shielding film 2 and the FPC 7, thereby filling the gap. The LED explosion-proof lamp is prevented from being attached to the FPC by the shading film.
According to the assembly process, the step of assembling single-sided adhesive is saved by integrating the shading film with the single-sided adhesive, automatic assembly is completed by means of mechanical equipment, manual operation is not needed, assembly efficiency is greatly improved, and assembly accuracy is ensured. In addition, the problem of instability of manual assembly is avoided, such as the problem that when the single-sided adhesive is assembled, the single-sided adhesive needs to be pressed, the finger is polluted by the single-sided adhesive overflow glue, and the hidden trouble of polluting the light guide plate is avoided.
After the assembly, with respect to the first light shielding sheet structure in embodiment 1, the non-adhesive surface of the single-sided adhesive 3 is in close contact with the FPC 7, and the adhesive surface of the single-sided adhesive 3 is adhered to the light shielding film 2, and at this time, the light shielding sheet and the FPC are not integrally connected. The single-sided adhesive only plays a role of filling gaps, and once the gap degree is too large, the gaps cannot be filled in place, and the problem that the LED is provided with an initiating lamp due to the fact that the non-adhesive surface of the single-sided adhesive is contacted with the FPC can not be caused by the fact that the FPC is provided with the anti-dazzling screen.
After the assembly, with respect to the second light shielding sheet structure in example 1, the adhesive surface of the single-sided adhesive 3 was adhered to the FPC 7, and the non-adhesive surface of the single-sided adhesive 3 was adhered to the light shielding film 2, and at this time, the light shielding sheet was integrally connected to the FPC. The single-sided adhesive tape not only plays a role in filling gaps, but also connects the light shielding sheet with the FPC, and the structure enables the assembled membrane structure to be more compact and firm. Meanwhile, the thickness of the single-sided adhesive needs to be strictly grasped so as to fill the gap.
In the backlight assembly manufactured by the light shielding sheet, the light shielding sheet and the FPC are connected into a whole or the light shielding sheet and the FPC are not connected into a whole, so that the flexibility of the assembly structure is improved. After the assembly, the membrane structure is compact and firm, no gap exists, and the problem that the backlight explosion lamp is caused by the LED being carried up due to the fact that the FPC is carried up by the anti-dazzling screen can be effectively avoided.
Those of ordinary skill in the art will appreciate that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. A shading sheet for manufacturing a backlight assembly is characterized by comprising a release film (1), a shading film (2), a single-sided adhesive (3) and a protective film (4), wherein the release film (1) is adhered to one side surface of the shading film (2), the other side surface of the shading film (2) is an adhesive surface, at least one part of the adhesive surface of the shading film (2) is connected with one side surface of the single-sided adhesive (3), and the other side surface of the single-sided adhesive (3) is adhered to the protective film (4).
2. The light shielding sheet for manufacturing a backlight assembly according to claim 1, wherein both side surfaces of the single-sided adhesive (3) are an adhesive surface and a non-adhesive surface, respectively, and the adhesive surface or the non-adhesive surface of the single-sided adhesive (3) connected to at least a part of the adhesive surface of the light shielding film (2).
3. The light shielding sheet for manufacturing a backlight assembly according to claim 1, wherein the light shielding film (2) has a hollow structure surrounded by four sides, and the single-sided adhesive (3) is provided on at least one side of the light shielding film (2).
4. A light shielding sheet for use in manufacturing a backlight assembly according to claim 3, wherein the single-sided adhesive (3) is provided on at least one short side of the light shielding film (2).
5. A light shielding sheet for use in manufacturing a backlight assembly according to claim 3, wherein the release film (1) and the protective film (4) are both made of PET.
6. A backlight assembly manufactured by using the light shielding sheet according to any one of claims 1 to 5, comprising a light guide plate (5) and an LED lamp (8), wherein an optical film (6) is arranged on the light emitting surface of the light guide plate (5), the light shielding film (2) of the light shielding sheet is adhered on the surface of the optical film (6), the LED lamp (8) is connected to one side surface of an FPC (7), a gap is formed between the other side surface of the FPC (7) and the light shielding film (2), and the single-sided adhesive (3) is filled in the gap.
7. The backlight assembly according to claim 6, wherein the non-adhesive face of the single-sided adhesive (3) is in close contact with the FPC (7), and the light shielding film (2) is not bonded to the FPC (7) as a unit.
8. The backlight assembly according to claim 6, wherein the adhesive surface of the single-sided adhesive (3) is adhered to the FPC (7) so that the light shielding film (2) is adhered to the FPC (7) as a unit.
9. A backlight assembly according to claim 6, wherein a reflecting sheet (11) is provided on a side surface of the light guide plate (5) opposite to the light exit surface.
10. The backlight assembly according to claim 6, further comprising a frame (10) and a glue frame (9), wherein the glue frame (9) is disposed in the frame (10), and wherein the light guide plate (5) and the LED lamp (8) are disposed in the glue frame (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320462997.7U CN219435173U (en) | 2023-03-13 | 2023-03-13 | Shading sheet for manufacturing backlight assembly and backlight assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320462997.7U CN219435173U (en) | 2023-03-13 | 2023-03-13 | Shading sheet for manufacturing backlight assembly and backlight assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219435173U true CN219435173U (en) | 2023-07-28 |
Family
ID=87336869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320462997.7U Active CN219435173U (en) | 2023-03-13 | 2023-03-13 | Shading sheet for manufacturing backlight assembly and backlight assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219435173U (en) |
-
2023
- 2023-03-13 CN CN202320462997.7U patent/CN219435173U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP7423645B2 (en) | Display module, display device and its assembly method | |
| CN105245648B (en) | 2.5D glass processing technology, mobile phone glass screen structure and mobile phone | |
| CN101655636B (en) | Side-illuminated backlight module, liquid crystal display device and assembly method thereof | |
| CN110060583A (en) | Display module and electronic equipment | |
| CN101749593B (en) | Backlight module | |
| CN203365859U (en) | Backlight module, display module and display device | |
| CN219435173U (en) | Shading sheet for manufacturing backlight assembly and backlight assembly | |
| CN105467690A (en) | Square adhesive structure and manufacturing method thereof | |
| CN206133056U (en) | Light guide plate, backlight module and display device | |
| CN108153051B (en) | Backlight and display device | |
| CN106226952A (en) | A kind of backlight module and preparation method thereof, display device | |
| CN109143678A (en) | Display module and preparation method thereof and polarizer component and preparation method thereof | |
| CN210803917U (en) | Side-in backlight module with reverse-assembly structure | |
| CN109143686B (en) | Backlight module, display module and electronic equipment | |
| CN217073418U (en) | Upper bedplate for glue overflow prevention lamination and full lamination device | |
| CN210294749U (en) | Double-sided display | |
| CN103629564A (en) | Backlight module and display device | |
| CN209118026U (en) | Backlight and display device | |
| CN216721755U (en) | Middle frame for laminating of vehicle-mounted display screen | |
| JP5023875B2 (en) | Display device and electronic device | |
| CN219202094U (en) | Backlight flexible circuit board, backlight module and display module | |
| CN217718348U (en) | Cell-phone class display module assembly of no printing ink | |
| CN112358819A (en) | Adhesive assembly, preparation method thereof and preparation method of display module | |
| CN219740703U (en) | Backlight flexible circuit board, backlight module and display module | |
| CN220017116U (en) | Disconnect-type LED reflective membrane subassembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |