CN219737951U - Backlight structure with LED lamp position hollowed-out - Google Patents
Backlight structure with LED lamp position hollowed-out Download PDFInfo
- Publication number
- CN219737951U CN219737951U CN202321009469.2U CN202321009469U CN219737951U CN 219737951 U CN219737951 U CN 219737951U CN 202321009469 U CN202321009469 U CN 202321009469U CN 219737951 U CN219737951 U CN 219737951U
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- China
- Prior art keywords
- led lamp
- film
- opening
- hollowed
- enhancement film
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- 239000010408 film Substances 0.000 claims abstract description 61
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000000853 adhesive Substances 0.000 claims abstract description 25
- 230000001070 adhesive effect Effects 0.000 claims abstract description 25
- 229910052742 iron Inorganic materials 0.000 claims abstract description 18
- 238000009792 diffusion process Methods 0.000 claims abstract description 16
- 239000012788 optical film Substances 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 claims abstract description 6
- 229910003460 diamond Inorganic materials 0.000 claims description 4
- 239000010432 diamond Substances 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 2
- 238000005498 polishing Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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- Planar Illumination Modules (AREA)
Abstract
The utility model relates to the technical field of backlight structures, in particular to a backlight structure with a hollowed-out LED lamp position, which comprises a rubber iron frame, an FPC (flexible printed circuit) assembly, a light guide plate and an optical film, wherein the rubber iron frame is provided with a hollowed-out opening corresponding to the installation position of an LED lamp; the LED lamp is integrated on the FPC assembly and assembled on the iron frame together with the FPC assembly; the LED lamp is inserted into the hollowed-out opening; and the opening is covered with a first shading adhesive; the back of the FPC component is provided with a second shading adhesive; the optical film comprises a reflecting film, a diffusion film, an upper brightness enhancement film and a lower brightness enhancement film; the reflecting film and the light guide plate are combined to form a whole and are arranged in an installation area between the iron frame and the FPC assembly; the lower light enhancement film is stuck to one side of the light guide plate far away from the reflecting film, and the upper light enhancement film is stuck to the surface of the lower light enhancement film; the diffusion film is attached to the surface of the upper brightness enhancement film. According to the utility model, the hollowed-out opening is arranged on the iron frame corresponding to the mounting position of the LED lamp, so that the thickness of the position is reduced, and the backlight structure can be thinner.
Description
Technical Field
The utility model relates to the technical field of backlight structures, in particular to a backlight structure with an LED lamp position hollowed-out.
Background
Backlight is a form of illumination commonly used on LCD displays; the light source may be an incandescent bulb, an electro-optic panel (ELP), a Light Emitting Diode (LED), a cold cathode tube (CCFL), or the like. The electro-optic panel provides uniform light across its surface, while other backlight modules use diffusers to provide uniform light from non-uniform light sources.
The backlight may be of any color, and the monochrome liquid crystal is typically a yellow, green, blue, white or the like backlight. While color displays use white light, which covers the most chromatic light. LED backlights are used on small, inexpensive LCD panels;
in the prior art, the thickness of the backlight cannot be made thinner due to the thickness limitation of the LED lamp in the backlight structure.
Disclosure of Invention
The utility model aims at solving the problems in the background technology, and provides a backlight structure with an LED lamp position hollowed-out.
According to the technical scheme, the backlight structure with the hollowed-out LED lamp positions comprises a rubber iron frame, an FPC (flexible printed circuit) assembly, a light guide plate and an optical film, wherein the rubber iron frame is provided with hollowed-out openings corresponding to the LED lamp mounting positions; the LED lamp is integrated on the FPC assembly and assembled on the iron frame together with the FPC assembly;
the LED lamp is inserted into the hollowed-out opening; and the opening is covered with a first shading adhesive;
the back of the FPC component is provided with a second shading adhesive; the first shading adhesive and the second shading adhesive are combined to form a shading structure for the LED lamp, so that light leakage is prevented;
the optical film comprises a reflecting film, a diffusion film, an upper brightness enhancement film and a lower brightness enhancement film;
the reflecting film and the light guide plate are combined to form a whole and are arranged in an installation area between the iron frame and the FPC assembly;
the lower light enhancement film is stuck to one side of the light guide plate far away from the reflecting film, and the upper light enhancement film is stuck to the surface of the lower light enhancement film;
the diffusion film is attached to the surface of the upper brightness enhancement film.
Preferably, the end of the LED lamp away from the FPC assembly is kept flush with the opening of the iron frame.
Preferably, the diffusion film, the upper brightness enhancement film and the lower brightness enhancement film are combined and attached to the light guide plate and then are kept flush with the FPC assembly; the second shading adhesive attaches the diffusion film and the FPC assembly together from top to bottom to form a shading structure.
Preferably, the openings are positioned at the bottom of the backlight, and a plurality of openings are arranged.
Preferably, the shape of the opening is the same as the shape of the LED lamp.
Preferably, the shape of the opening includes a rectangle, a circle, a diamond, or a regular polygon.
Compared with the prior art, the utility model has the following beneficial technical effects:
the mounting position of the corresponding LED lamp on the iron frame is provided with a hollowed-out opening; the LED lamp is integrated on the FPC assembly and assembled on the iron frame together with the FPC assembly; the diffusion film and the FPC component are attached together from top to bottom by the second shading adhesive to form a shading structure; meanwhile, a first shading adhesive is arranged at the opening, and one end of the LED lamp, which is far away from the FPC assembly, is kept flush with the opening of the iron frame; the first shading adhesive can keep good shading effect when attached to the opening, can not keep protruding, and can not leak light at the same time; the front and rear groups of shading adhesives form a complete shading structure, so that light rays emitted by the LED lamp are more uniformly projected outwards through the light guide plate and each optical film; the opening is provided in plurality. The shape of the opening comprises a rectangle, a circle, a diamond or a regular polygon, the shape of the opening is matched with the shape of the LED lamp, the LED lamp is ensured to be matched with the opening, the end part of the opening is kept flush after the LED lamp is installed, and the shading effect of the first shading adhesive is not influenced; the use is more convenient.
Drawings
FIG. 1 is a schematic diagram of a backlight structure according to an embodiment of the present utility model;
reference numerals: 1. a rubber iron frame; 2. an FPC assembly; 3. a light guide plate; 4. an LED lamp; 5. an opening; 6. a first shading adhesive; 7. a second shading adhesive; 8. a reflective film; 9. a diffusion film; 10. a polishing film is arranged on the upper surface of the substrate; 11. and a lower brightness enhancement film.
Detailed Description
Example 1
As shown in fig. 1, the backlight structure with the hollowed-out LED lamp position provided by the utility model comprises a rubber frame 1, an FPC assembly 2, a light guide plate 3 and an optical film, wherein the rubber frame 1 is provided with a hollowed-out opening 5 corresponding to the mounting position of the LED lamp 4; the LED lamp 4 is integrated on the FPC assembly 2 and assembled on the rubber frame 1 together with the FPC assembly 2;
the LED lamp 4 is inserted into the hollowed-out opening 5; and the opening 5 is covered with a first shading adhesive 6;
the optical film comprises a reflecting film 8, a diffusion film 9, an upper light enhancement film 10 and a lower light enhancement film 11;
the reflecting film 8 and the light guide plate 3 are combined to form a whole to be installed in an installation area between the iron frame 1 and the FPC assembly 2;
the lower light enhancement film 11 is stuck to one side of the light guide plate 3 far from the reflecting film 8, and the upper light enhancement film 10 is stuck to the surface of the lower light enhancement film 11;
in this embodiment, the diffusion film 9 is attached to the surface of the upper brightness enhancement film 10 to form a complete backlight structure, and the second shading adhesive 7 is disposed on the back of the FPC assembly 2, and the diffusion film 9, the upper brightness enhancement film 10 and the lower brightness enhancement film 11 are combined and attached to the light guide plate 3 and then are kept flush with the FPC assembly 2; the diffusion film 9 and the FPC component 2 are attached together from top to bottom by the second shading adhesive 7 to form a shading structure; meanwhile, a first shading adhesive 6 is arranged at the opening, and one end of the LED lamp, which is far away from the FPC assembly 2, is kept flush with the opening 5 of the rubber frame 1; the first shading adhesive 6 can keep good shading effect when attached to the opening 5, can not keep protruding, and can not leak light at the same time; the front and back groups of shading glue form a complete shading structure, so that the light emitted by the LED lamp 4 is more uniformly projected outwards through the light guide plate and each optical film.
Example 2
The backlight structure with the hollowed-out LED lamp positions provided by the utility model is different from the embodiment 1 in that the opening 5 is positioned at the bottom of the backlight, and a plurality of openings 5 are arranged. The shape of the opening 5 is the same as the shape of the LED lamp 4. The shape of the opening 5 includes a rectangle, a circle, a diamond, or a regular polygon.
In the embodiment, the shape of the opening 5 is matched with the shape of the LED lamp 4, so that the LED lamp 4 can be matched with the opening 5, the end of the opening 5 is kept flush after installation, and the shading effect of the first shading adhesive 6 is not influenced; the use is more convenient.
The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.
Claims (6)
1. The backlight structure with the LED lamp position hollowed-out comprises a rubber iron frame (1), an FPC assembly (2), a light guide plate (3) and an optical film, and is characterized in that a hollowed-out opening (5) is formed in the rubber iron frame (1) corresponding to the mounting position of the LED lamp (4); the LED lamp (4) is integrated on the FPC assembly (2) and assembled on the rubber frame (1) together with the FPC assembly (2);
the LED lamp (4) is inserted into the hollowed-out opening (5); and the opening (5) is covered with a first shading adhesive (6);
a second shading adhesive (7) is arranged on the back of the FPC assembly (2); the first shading adhesive (6) and the second shading adhesive (7) are combined to form a shading structure for the LED lamp (4) to prevent light leakage;
the optical film comprises a reflecting film (8), a diffusion film (9), an upper brightness enhancement film (10) and a lower brightness enhancement film (11);
the reflecting film (8) and the light guide plate (3) are combined to form a whole and are arranged in an installation area between the iron frame (1) and the FPC assembly (2);
the lower light enhancement film (11) is stuck to one side of the light guide plate (3) far away from the reflecting film (8), and the upper light enhancement film (10) is stuck to the surface of the lower light enhancement film (11);
the diffusion film (9) is attached to the surface of the upper polishing film (10).
2. A backlight structure with LED lamp position hollowing out according to claim 1, characterized in that the end of the LED lamp far away from the FPC assembly (2) is kept flush with the opening (5) of the glue frame (1).
3. The backlight structure with the hollowed-out LED lamp position according to claim 1, wherein the diffusion film (9), the upper brightness enhancement film (10) and the lower brightness enhancement film (11) are combined and attached to the light guide plate (3) and then are kept flush with the FPC assembly (2); the second shading adhesive (7) attaches the diffusion film (9) and the FPC assembly (2) together from top to bottom to form a shading structure.
4. The backlight structure with the LED lamp position hollowed-out according to claim 1, wherein the opening (5) is located at the bottom of the backlight, and a plurality of openings (5) are provided.
5. A backlight structure with LED lamp position hollowing out according to claim 1, characterized in that the shape of the opening (5) is the same as the shape of the LED lamp (4).
6. A backlight structure with LED lamp position hollows according to claim 5, characterized in that the shape of the opening (5) comprises rectangular, circular, diamond or regular polygon.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321009469.2U CN219737951U (en) | 2023-04-28 | 2023-04-28 | Backlight structure with LED lamp position hollowed-out |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321009469.2U CN219737951U (en) | 2023-04-28 | 2023-04-28 | Backlight structure with LED lamp position hollowed-out |
Publications (1)
Publication Number | Publication Date |
---|---|
CN219737951U true CN219737951U (en) | 2023-09-22 |
Family
ID=88025323
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202321009469.2U Active CN219737951U (en) | 2023-04-28 | 2023-04-28 | Backlight structure with LED lamp position hollowed-out |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN219737951U (en) |
-
2023
- 2023-04-28 CN CN202321009469.2U patent/CN219737951U/en active Active
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