CN216697671U - Side light-emitting component, backlight module with side light-emitting component and display - Google Patents
Side light-emitting component, backlight module with side light-emitting component and display Download PDFInfo
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- CN216697671U CN216697671U CN202122064978.2U CN202122064978U CN216697671U CN 216697671 U CN216697671 U CN 216697671U CN 202122064978 U CN202122064978 U CN 202122064978U CN 216697671 U CN216697671 U CN 216697671U
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Abstract
The embodiment of the utility model discloses a side light-emitting component, a backlight module and a display with the side light-emitting component, wherein the side light-emitting component comprises: the brightness enhancement film, the diffusion film, the light guide plate and the reflection film are arranged from top to bottom in sequence; the light-emitting lamp is arranged on the same side of the brightness enhancement film, the diffusion film, the light guide plate and the reflection film; one side of the brightness enhancement sheet close to the luminescent lamp is provided with an arc-shaped groove, the luminescent lamp is accommodated in the groove, and the luminescent surface of the luminescent lamp is opposite to the bottom of the groove and is arranged at intervals; the bottom surface of the light guide plate is provided with lattice points, and light rays emitted by the light-emitting lamp are totally reflected to the inner side wall of the bottom surface of the light guide plate through the inner side wall of the front surface of the light guide plate; the reflecting film is used for reflecting light rays emitted by the mesh points or light rays leaked from the side edge of the light guide plate to the front surface of the light guide plate, and the light rays are emitted from the front surface of the light guide plate and are diffused through the diffusing film. According to the utility model, the arc-shaped groove is formed in one side, close to the luminescent lamp, of the brightness enhancement film, so that the problem of edge lamp shadow is solved.
Description
Technical Field
The utility model relates to the field of light emitting modules, in particular to a side light emitting assembly, a backlight module with the side light emitting assembly and a display with the side light emitting assembly.
Background
At present, the problem of edge light shadow (firefly) of the side light module is usually solved by adjusting the structure of the front mesh points of the light guide plate or increasing the coverage of the shading strips. The adjustment of the structure of the front mesh points of the light guide plate lamp requires the customization of the light guide plate, which is not beneficial to the sharing of the light guide plate; increasing the shade strip coverage improves the lamp shade (firefly) which increases material costs and operating costs.
SUMMERY OF THE UTILITY MODEL
In view of the above technical problems, embodiments of the present invention provide a side light emitting device, a backlight module having the side light emitting device, and a display having the side light emitting device.
A first aspect of an embodiment of the present invention provides a side light emitting assembly of a backlight module, including:
the brightness enhancement film, the diffusion film, the light guide plate and the reflection film are arranged from top to bottom in sequence; and
the light-emitting lamp is arranged on the same side of the brightness enhancement film, the diffusion film, the light guide plate and the reflection film;
one side of the brightness enhancement sheet close to the light-emitting lamp is provided with an arc-shaped groove, the light-emitting lamp is accommodated in the groove, and the light-emitting surface of the light-emitting lamp is opposite to the bottom of the groove and is arranged at intervals;
The bottom surface of the light guide plate is provided with a mesh point, and light rays emitted by the light-emitting lamp are totally reflected to the inner side wall of the bottom surface of the light guide plate through the inner side wall of the front surface of the light guide plate;
the reflection film is used for reflecting the light emitted by the mesh points or the light leaked from the side edge of the light guide plate to the front surface of the light guide plate, and the light is emitted from the front surface of the light guide plate and is diffused through the diffusion film.
Optionally, the number of the brightness enhancement sheets is one.
Optionally, the number of the brightness enhancement sheets is two.
Optionally, the light emitting surface of the light emitting lamp is a plane, and the center of the light emitting surface of the light emitting lamp is opposite to the center of the bottom of the groove.
Optionally, the maximum distance from the light emitting surface of the light emitting lamp to the bottom of the groove is greater than or equal to a chord length from one end of the light emitting surface of the light emitting lamp to the groove, and the chord length is a distance from an intersection point of the extended light emitting surface of the light emitting lamp and the groove to a corresponding end of the light emitting surface of the light emitting lamp.
Optionally, an included angle between a connecting line and the light emitting surface of the light emitting lamp is greater than 0 ° and less than or equal to 60 °, and the connecting line is a connecting line between the intersection point of the extended light emitting surface of the light emitting lamp and the groove and the center of the bottom of the groove.
Optionally, the light-emitting lamp includes a plurality of light-emitting lamps, and the recess also includes a plurality of light-emitting lamps, and the plurality of light-emitting lamps are correspondingly matched with the plurality of recesses.
Optionally, the light emitting lamp is an LED lamp; and/or the presence of a gas in the gas,
the luminescent lamp is square.
A second aspect of an embodiment of the present invention provides a backlight module, including the side light emitting device of any one of the first aspects.
A third aspect of the embodiments of the present invention provides a display, including a screen, an upper frame, a rubber frame, a lower frame, and the side light emitting assembly described in any one of the first aspect; the screen is installed on the upper frame, the glue frame is arranged between the upper frame and the side light-emitting component, the glue frame is adhered to the upper frame, the lower frame is arranged on one side, far away from the glue frame, of the side light-emitting component, and the upper frame is mechanically coupled with the lower frame.
In the technical scheme provided by the embodiment of the utility model, the arc-shaped groove is formed in one side of the brightness enhancement film close to the light-emitting lamp, so that the light-emitting lamp is accommodated in the groove, the problem of edge lamp shadow (glowworm) is solved, the low-power consumption backlight scheme design is facilitated, the light guide plate is not required to be customized, the sharing of the light guide plate is facilitated, and the cost for improving the problem of the edge lamp shadow (glowworm) is reduced.
Drawings
Fig. 1 is a schematic structural exploded view of a display according to an embodiment of the utility model;
FIG. 2 is a schematic structural diagram of a side-emitting device according to an embodiment of the present invention;
FIG. 3 is an enlarged partial schematic view of the side-emitting assembly of FIG. 2;
FIG. 4 is a schematic structural diagram of a brightness enhancement film according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a side-emitting device in accordance with an embodiment of the present invention;
FIG. 6 is a schematic diagram illustrating a relationship between a light-emitting lamp and a groove of a brightness enhancement film according to an embodiment of the present invention;
fig. 7 is a schematic structural disassembly diagram of a display according to an embodiment of the utility model.
Reference numerals are as follows:
10. a screen; 20. putting the frame on; 30. a rubber frame; 40. a lower frame; 50. a side emitting assembly; 1. a brightness enhancement film; 11. a groove; 2. a diffusion membrane; 3. a light guide plate; 4. a reflective film; 5. a light emitting lamp.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the following embodiments may be combined without conflict.
Referring to fig. 1 to 5, an embodiment of the utility model provides a side light emitting assembly 50 of a backlight module, where the side light emitting assembly 50 may include a brightness enhancement film 1, a diffusion film 2, a light guide plate 3, a reflective film 4 and a light emitting lamp 5, where the brightness enhancement film 1, the diffusion film 2, the light guide plate 3 and the reflective film 4 are sequentially disposed from top to bottom, and the light emitting lamp 5 is disposed on the same side of the brightness enhancement film 1, the diffusion film 2, the light guide plate 3 and the reflective film 4.
In this embodiment, one side of the brightness enhancement film 1 close to the light emitting lamp 5 is provided with an arc-shaped groove 11, the light emitting lamp 5 is accommodated in the groove 11, and the light emitting surface of the light emitting lamp 5 is opposite to the bottom of the groove 11 and is arranged at an interval. It should be noted that, in the embodiment of the present invention, the bottom of the groove 11 refers to the area with the greatest depth in the groove 11.
The bottom surface of the light guide plate 3 is provided with dots, light rays emitted by the light emitting lamp 5 are totally reflected to the inner side wall of the bottom surface of the light guide plate 3 through the inner side wall of the front surface of the light guide plate 3, and the reflective film 4 is used for reflecting light rays emitted by the dots or light rays leaked from the side edge of the light guide plate 3 to the front surface of the light guide plate 3. The light is emitted from the front surface of the light guide plate 3 and diffused by the diffusion film 2.
According to the embodiment of the utility model, the arc-shaped groove 11 is formed in one side of the brightness enhancement film 1 close to the light-emitting lamp 5, so that the light-emitting lamp 5 is accommodated in the groove 11, the problem of edge lamp shadow is solved, the low-power consumption backlight scheme design is facilitated, the light guide plate 3 is not required to be customized, the light guide plate 3 is favorably shared, and the cost for improving the problem of edge lamp shadow (firefly) is reduced.
The number of the brightness enhancement sheets 1 can be set according to the brightness requirement, for example, in some embodiments, the number of the brightness enhancement sheets 1 is one, so that the cost is minimized while the problem of edge light shadow is solved; in other embodiments, the number of the brightness enhancement sheets 1 is two, and the two brightness enhancement sheets 1 are arranged up and down, so that the edge light shadow can be eliminated better and the brightness can be increased.
The diffusion film 2 mainly functions to provide a uniform surface light source for the display, and diffuses the light source from the light guide plate 3 to hide the dots on the light guide plate 3, so that the emitted light is more uniformly distributed.
The light guide plate 3 changes the light transmission mode of the point or line light source through various mesh points with different densities or sizes, so that the point light source is converted into a uniform surface light source.
The reflective film 4 is located below the light guide plate 3, and light which leaks to the bottom surface or the side edge through the light guide plate 3 is reflected back again, so that the light is emitted from the front surface of the light guide plate 3 in a concentrated manner, the light energy loss is reduced, and the utilization rate of the light effect of the light source is improved.
As shown in fig. 6, in one embodiment of the present invention, the light emitting surface of the light emitting lamp 5 is a plane, and the center of the light emitting surface of the light emitting lamp 5 is opposite to the center of the bottom of the groove 11.
In order to effectively improve the problem of edge lamp shadow, as shown in fig. 6, a maximum distance h from the light emitting surface of the light emitting lamp 5 to the bottom of the groove 11 is greater than or equal to a chord length a from one end of the light emitting surface of the light emitting lamp 5 to the groove 11, where the chord length a is a distance from an intersection point of the light emitting surface of the light emitting lamp 5 and the groove 11 after extending to a corresponding end of the light emitting surface of the light emitting lamp 5.
In order to effectively improve the problem of edge light shadow, as shown in fig. 6, an included angle α between the connecting line and the light emitting surface of the light emitting lamp 5 is greater than 0 ° and less than or equal to 60 °, and the connecting line is a connecting line between the intersection point of the light emitting surface of the light emitting lamp 5 and the groove 11 and the bottom center of the groove 11. For example, α can be 5 °, 10 °, 15 °, 20 °, 25 °, 30 °, 35 °, 40 °, 45 °, 50 °, 55 °, or 60 °, among others.
The length of the LED is L, as shown in FIG. 6.
In the embodiment of the present invention, as shown in fig. 3, the light emitting lamps 5 include a plurality of grooves 11, and the plurality of light emitting lamps 5 are correspondingly matched with the plurality of grooves 11 to ensure the light emitting effect of the side light emitting assembly 50.
The light emitting lamps 5 are installed at the corresponding side of the light guide plate 3, and the installation manner of the light emitting lamps 5 to the corresponding side of the light guide plate 3 is not particularly limited in the present invention.
The light emitting lamp 5 of the embodiment of the present invention may be an LED lamp, but is not limited to the LED lamp.
The light emitting lamp 5 may have a square shape or other shapes.
The embodiment of the present invention further provides a backlight module, which includes the side light emitting assembly 50 in the above embodiment.
Referring to fig. 1 and 7, an embodiment of the present invention further provides a display including a screen 10, an upper frame 20, a glue frame 30, a lower frame 40, and a side light assembly 50 in the above embodiments.
Wherein, the screen 10 is mounted on the upper frame 20, the glue frame 30 is disposed between the upper frame 20 and the side light assembly 50, and the glue frame 30 is adhered to the upper frame 20, the lower frame 40 is disposed at a side of the side light assembly 50 away from the glue frame 30, and the upper frame 20 is mechanically coupled to the lower frame 40.
The upper frame 20 and the lower frame 40 may be mechanically coupled by snapping, screwing, or other means.
The upper frame 20 and the lower frame 40 may be iron frames or may be frames made of other materials.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A side-emitting assembly, comprising:
the brightness enhancement film (1), the diffusion film (2), the light guide plate (3) and the reflection film (4) are arranged from top to bottom in sequence; and
the light-emitting lamp (5) is arranged on the same side of the brightness enhancement film (1), the diffusion film (2), the light guide plate (3) and the reflection film (4);
one side, close to the luminescent lamp (5), of the brightness enhancement sheet (1) is provided with a circular arc-shaped groove (11), the luminescent lamp (5) is accommodated in the groove (11), and the luminescent surface of the luminescent lamp (5) is opposite to the bottom of the groove (11) and is arranged at intervals;
the bottom surface of the light guide plate (3) is provided with net points, and light rays emitted by the light emitting lamp (5) are totally reflected to the inner side wall of the bottom surface of the light guide plate (3) through the inner side wall of the front surface of the light guide plate (3);
the reflection film (4) is used for reflecting the light emitted by the mesh points or the light leaked from the side edge of the light guide plate (3) to the front surface of the light guide plate (3), and the light is emitted from the front surface of the light guide plate (3) and diffused through the diffusion film (2).
2. A side-emitting assembly according to claim 1, characterized in that the number of brightness enhancement sheets (1) is one.
3. Side-emitting assembly according to claim 1, characterized in that the number of brightness enhancement flakes (1) is two.
4. A side lighting assembly according to claim 1, wherein the light emitting surface of the light emitting lamp (5) is a plane, and the center of the light emitting surface of the light emitting lamp (5) is opposite to the bottom center of the groove (11).
5. The side-emitting component of claim 4, wherein the maximum distance from the light emitting surface of the light-emitting lamp (5) to the bottom of the groove (11) is greater than or equal to the chord length from one end of the light emitting surface of the light-emitting lamp (5) to the groove (11), wherein the chord length is the distance from the intersection point of the extended light emitting surface of the light-emitting lamp (5) and the groove (11) to the corresponding end of the light emitting surface of the light-emitting lamp (5).
6. A side lighting assembly according to claim 4 or 5, wherein an included angle between a connecting line and the light emitting surface of the light emitting lamp (5) is greater than 0 ° and less than or equal to 60 °, and the connecting line is a connecting line between the intersection point of the light emitting surface of the light emitting lamp (5) and the groove (11) and the bottom center of the groove (11).
7. A side lighting assembly according to claim 1, wherein said lighting lamps (5) comprise a plurality and said recess (11) comprises a plurality, and a plurality of said lighting lamps (5) are correspondingly fitted with a plurality of said recesses (11).
8. A side emitting assembly according to claim 1, wherein the light emitting lamp (5) is an LED lamp; and/or the presence of a gas in the gas,
the luminescent lamp (5) is square.
9. A backlight module comprising the side-emitting device of any one of claims 1 to 8.
10. A display comprising a screen (10), an upper frame (20), a glue frame (30), a lower frame (40) and a side-emitting assembly according to any one of claims 1 to 8; wherein the screen (10) is mounted on the upper frame (20), the glue frame (30) is disposed between the upper frame (20) and the side light assembly, and the glue frame (30) is adhered to the upper frame (20), the lower frame (40) is disposed on a side of the side light assembly away from the glue frame (30), and the upper frame (20) is mechanically coupled to the lower frame (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122064978.2U CN216697671U (en) | 2021-08-30 | 2021-08-30 | Side light-emitting component, backlight module with side light-emitting component and display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122064978.2U CN216697671U (en) | 2021-08-30 | 2021-08-30 | Side light-emitting component, backlight module with side light-emitting component and display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216697671U true CN216697671U (en) | 2022-06-07 |
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ID=81823710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122064978.2U Active CN216697671U (en) | 2021-08-30 | 2021-08-30 | Side light-emitting component, backlight module with side light-emitting component and display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216697671U (en) |
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2021
- 2021-08-30 CN CN202122064978.2U patent/CN216697671U/en active Active
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