CN211822222U - Hard-connected soft light type lighting effect backlight source - Google Patents
Hard-connected soft light type lighting effect backlight source Download PDFInfo
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- CN211822222U CN211822222U CN202020652550.2U CN202020652550U CN211822222U CN 211822222 U CN211822222 U CN 211822222U CN 202020652550 U CN202020652550 U CN 202020652550U CN 211822222 U CN211822222 U CN 211822222U
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Abstract
The utility model discloses a hard connected soft light type light effect backlight source, which comprises a light guide plate main body and a PCB (printed circuit board); the light guide plate main body is of an L-shaped structure and is provided with a transverse part and a vertical part which is integrally and upwardly extended from the rear end of the transverse part, the front end face of the transverse part is a light-emitting face, the PCB is arranged on the vertical part and is connected with a light source, and the light source is arranged on the rear side of the vertical part; the light emitted by the light source enters downwards through the vertical part and then forwards through the rear end of the transverse part until the light is emitted from the light emitting surface at the front end of the transverse part; the light-emitting surface is designed to be large in the middle and gradually smaller on two sides in a front-view state; the length of the vertical part in the left-right direction is smaller than that of the transverse part in the left-right direction; therefore, the PCB type rigid connection is realized, the connection is more stable, the production efficiency is improved, the manufacture is simpler and more convenient, the light can be softer, the dazzling phenomenon can not occur, and the phenomena of lamp shadow and lamp explosion are avoided; the gradual change effect of gradual change light efficiency is improved.
Description
Technical Field
The utility model belongs to the technical field of the board that is shaded and specifically relates to indicate a soft type light efficiency backlight of rigid connection.
Background
The conventional breathing display backlight source generally comprises a light guide plate and at least one LED light bar, wherein the light guide plate comprises a light emitting surface and a light incident surface, and the light emitting surface and the light incident surface are generally located on opposite sides, so that one side of the light guide plate is generally used as the light incident surface, and the other side of the light guide plate is used as the light emitting surface, light emitted by LED elements of the LED light bar enters the light guide plate through the light incident surface on one side, and is then guided out through the light emitting surface on the other side of the light guide plate, and the guided light is easy to generate dazzling visual effect, and the LED light bars are generally arranged on the same straight line with the light incident surface, so that the phenomena of existing lamp shadows and lamp explosion are easy to occur, and the viewed light of the light emitting surface is influenced, and the light guide plate of the conventional backlight source is difficult to present gradual change light efficiency, such a connection mode is unstable, and the production and manufacturing are difficult, thereby affecting the production efficiency.
Therefore, a new technology needs to be developed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention is directed to the deficiency of the prior art, and the main object of the present invention is to provide a soft light type lighting effect backlight source with rigid connection, which realizes PCB-type rigid connection, makes the connection more stable, improves the production efficiency, is simpler and more convenient to manufacture, can make the light softer, does not generate dazzling phenomenon, and avoids the phenomena of lamp shadow and lamp explosion; the gradual change effect of gradual change light efficiency is improved.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a hard-connected soft light type lighting effect backlight source comprises a light guide plate main body and a PCB connected with the light guide plate main body; the light guide plate main body is of an L-shaped structure and is provided with a transverse part and a vertical part which is formed by integrally and upwardly extending from the rear end of the transverse part, and the transverse part and the vertical part are horizontally extended and arranged along the left-right direction; the front end face of the transverse part is a light-emitting face, the PCB is arranged on the vertical part and connected with a light source, and the light source is arranged on the rear side of the vertical part;
the light emitted by the light source enters downwards through the vertical part and then forwards through the rear end of the transverse part until the light is emitted from the light emitting surface at the front end of the transverse part;
the light-emitting surface is designed to be large in the middle and gradually smaller on two sides in a front-view state; the vertical portion has a length in the left-right direction smaller than that of the lateral portion.
As a preferable scheme, the upper edge and the lower edge of the light-emitting surface are both of an arc-shaped structure gradually changing from the middle to the two ends.
Preferably, the light guide plate is an atomized light guide plate.
Preferably, the light guide plate is prepared by mixing PC and a light diffusion agent and then performing injection molding.
As a preferred scheme, the top end of the vertical portion is upwards convexly provided with a hanging lug convenient to position, the front side face of the hanging lug is flush with the front side face of the vertical portion, and the rear end of the hanging lug extends out of the vertical portion.
Preferably, the upper end surface, the lower end surface, the left side surface, the right side surface and the rear side surface of the horizontal portion, and the front side surface, the rear side surface, the left side surface, the right side surface and the upper end surface of the vertical portion are covered with a light shielding film.
As a preferable scheme, the PCB is disposed at a rear side of the vertical portion; the rear side of the vertical part is provided with a mounting groove, the PCB is positioned in the mounting groove, and the upper end of the PCB extends out of the upper end of the vertical part; the light source is arranged on the front side of the PCB and is positioned in the mounting groove.
As a preferred scheme, the inner wall of the mounting groove is concavely provided with a yielding groove for mounting a light source, and the light source is positioned in the yielding groove.
As a preferred scheme, the light source is the LED component, the groove of stepping down is the in-line structure that extends along left right direction, the LED component has a plurality of, and a plurality of LED component is arranged in the front side of PCB along left right direction even interval.
Preferably, the left end and the right end of the vertical part and the left end and the right end of the transverse part are respectively provided with a gap correspondingly.
Compared with the prior art, the utility model has obvious advantages and beneficial effects, concretely, according to the technical scheme, the PCB plate type rigid connection is realized mainly through the design of the PCB plate, the connection is more stable, the production efficiency is improved, and the manufacture is more convenient;
secondly, through the design of combining the L-shaped light guide plate main body with the light source, light emitted by the light source enters the light through the vertical part and exits the light through the transverse part, so that a 90-degree L-shaped light guide path is realized, the light of the light source can be converted from one type of luminance to the other type of luminance, the light is softer, and the dazzling phenomenon cannot occur;
the light source is arranged at the rear side of the vertical part and combined with the design of the L-shaped light guide plate main body, so that the light source can be hidden on the vertical part, and the phenomena of lamp shadow and lamp explosion caused by the influence of the light source on the light emitting surface can be avoided;
in addition, the light emitting surface of the transverse part is designed to be large in the middle and gradually smaller on two sides in a front view state, and the length of the vertical part is smaller than that of the transverse part, so that the light emitting surface has gradual change lighting effect, and meanwhile, the gradual change effect of the gradual change lighting effect can be improved.
To more clearly illustrate the structural features and technical means of the present invention and the specific objects and functions achieved thereby, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a front elevational view of the general construction of an embodiment of the present invention;
FIG. 2 is a front view of the light shielding film with the light shielding film removed;
fig. 3 is a rear view of an embodiment of the present invention with the PCB board and the light shielding film removed;
FIG. 4 is a cross-sectional view of the structure shown in FIG. 3;
fig. 5 is a perspective view of the structure shown in fig. 3.
The attached drawings indicate the following:
10. light guide plate body 11, lateral part
111. Light-emitting surface 12 and vertical part
121. Hanging lug 122 and mounting groove
123. Receding groove 13, interval
20. PCB 30 and LED element
40. And a light shielding film.
Detailed Description
Fig. 1 to 5 show specific structures of embodiments of the present invention.
A kind of hard connected soft light type light effect backlight, including the body 10 of the light guiding plate and connecting to PCB board 20 of the body 10 of the light guiding plate; the light guide plate body 10 is of an L-shaped structure, the light guide plate body 10 is provided with a transverse part 11 and a vertical part 12 which is integrally and upwardly extended from the rear end of the transverse part 11, and the transverse part 11 and the vertical part 12 are horizontally extended along the left-right direction; the front end face of the transverse portion 11 is a light emitting surface 111, the PCB 20 is disposed on the vertical portion 12, the PCB 20 is connected to a light source, and the light source is disposed at the rear side of the vertical portion 12; thus, the light source is hidden on the vertical portion 12 by the design of disposing the light source at the rear side of the vertical portion 12 and combining with the L-shaped light guide plate main body 10, and the phenomenon of lamp shadow and lamp explosion caused by the light source affecting the light-emitting surface 111 can not occur.
Wherein, the light emitted from the light source enters downwards through the vertical part 12 and then goes forwards through the rear end of the transverse part 11 until the light exits from the light exit surface 111 at the front end of the transverse part 11; therefore, through the design that the L-shaped light guide plate body 10 is combined with the light source, light emitted by the light source enters the light through the vertical part 12 and exits the light through the transverse part 11, so that the L-shaped light guide path with 90 degrees is realized, the light of the light source can be converted into another type of luminance from one type of luminance, the light is softer, and the dazzling phenomenon cannot occur.
The light emitting surface 111 is designed to be large in the middle and gradually smaller on two sides in a front view state; preferably, the upper edge and the lower edge of the light emitting surface 111 are both in an arc-shaped gradually-changing structure from the middle to the two ends. The length of the vertical portion 12 in the left-right direction is smaller than that of the horizontal portion 11 in the left-right direction, so that the left and right ends of the vertical portion 12 and the left and right ends of the horizontal portion 11 are respectively provided with a space 13. Because the light source sets up on vertical portion 12, vertical portion 12 is less than horizontal portion 11 about length about, the optics of light source is transmitted to horizontal portion 11 from vertical portion 12, thereby make the luminance that is close to more towards horizontal portion 11 about both ends darker, and contrast the luminance at the central authorities of horizontal portion 11, the luminance of its left and right sides both ends is dark obvious, so, be the big both sides design that diminishes in the middle of being under the front view state through the play plain noodles 111 with horizontal portion 11, and make vertical portion 12's length be less than horizontal portion 11's length, make it possess gradual change light efficiency, simultaneously, can improve the gradual change effect of gradual change light efficiency.
Preferably, in this embodiment, the light guide plate is an atomized light guide plate. The light guide plate is formed by injection molding after mixing and preparing PC and light diffusant so as to improve the light scattering effect inside the light guide plate.
The upper end face, the lower end face, the left side face, the right side face and the rear side face of the transverse portion 11, and the front side face, the rear side face, the left side face, the right side face and the upper end face of the vertical portion 12 are all covered with a shading film 40. Preferably, the light shielding film 40 is a black and white single-sided adhesive.
The top of vertical portion 12 is equipped with the hangers 121 of being convenient for the location to the epirelief, the leading flank of hangers 121 flushes with the leading flank of vertical portion 12 and sets up, the rear end of hangers 121 extends outside vertical portion 12. The hanging lugs 121 are arranged in two numbers, the two hanging lugs 121 are arranged at intervals, and the hanging lug 121 on the left side is located on one side of the upper end of the PCB 20. Therefore, the arrangement of the hanging lugs 121 facilitates the integral assembly and positioning of the light guide plate, and meanwhile, the installation and positioning of the PCB 20 are facilitated, so that the installation and positioning of the PCB 20 are clearly indicated and assisted.
The PCB board 20 is disposed at the rear side of the vertical portion 12; a mounting groove 122 is formed in the rear side of the vertical portion 12, the PCB board 20 is positioned in the mounting groove 122, and the upper end of the PCB board 20 extends out of the upper end of the vertical portion 12; the light source is disposed at the front side of the PCB board 20 and positioned in the mounting groove 122. The inner wall of the mounting groove 122 is concavely provided with a yielding groove 123 for mounting a light source, and the light source is positioned in the yielding groove 123. The light source is LED component 30, the groove of stepping down 123 is the in-line structure that extends along left right direction, LED component 30 has a plurality of, and a plurality of LED component 30 is arranged in the front side of PCB along left right direction even interval. Therefore, through the design that the PCB 20 is positioned and installed in the installation groove 122 of the vertical part 12, the PCB 20 type rigid connection is realized, the connection is more stable, the production efficiency is improved, and the manufacture is simpler and more convenient.
In summary, the design of the utility model is mainly characterized in that the rigid connection of the PCB is realized by the design of the PCB, so that the connection is more stable, the production efficiency is improved, and the manufacture is more convenient; secondly, through the design of combining the L-shaped light guide plate main body with the light source, light emitted by the light source enters the light through the vertical part and exits the light through the transverse part, so that a 90-degree L-shaped light guide path is realized, the light of the light source can be converted from one type of luminance to the other type of luminance, the light is softer, and the dazzling phenomenon cannot occur; the light source is arranged at the rear side of the vertical part and combined with the design of the L-shaped light guide plate main body, so that the light source can be hidden on the vertical part, and the phenomena of lamp shadow and lamp explosion caused by the influence of the light source on the light emitting surface can be avoided; in addition, the light emitting surface of the transverse part is designed to be large in the middle and gradually smaller on two sides in a front view state, and the length of the vertical part is smaller than that of the transverse part, so that the light emitting surface has gradual change lighting effect, and meanwhile, the gradual change effect of the gradual change lighting effect can be improved.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a soft type light efficiency backlight of rigid connection which characterized in that: comprises a light guide plate main body and a PCB connected with the light guide plate main body; the light guide plate main body is of an L-shaped structure and is provided with a transverse part and a vertical part which is formed by integrally and upwardly extending from the rear end of the transverse part, and the transverse part and the vertical part are horizontally extended and arranged along the left-right direction; the front end face of the transverse part is a light-emitting face, the PCB is arranged on the vertical part and connected with a light source, and the light source is arranged on the rear side of the vertical part;
the light emitted by the light source enters downwards through the vertical part and then forwards through the rear end of the transverse part until the light is emitted from the light emitting surface at the front end of the transverse part;
the light-emitting surface is designed to be large in the middle and gradually smaller on two sides in a front-view state; the vertical portion has a length in the left-right direction smaller than that of the lateral portion.
2. The rigidly connected soft light type light effect backlight of claim 1, wherein: the upper edge and the lower edge of the light-emitting surface are of arc-shaped structures gradually changing from the middle to the two ends.
3. The rigidly connected soft light type light effect backlight of claim 1, wherein: the light guide plate is an atomized light guide plate.
4. The rigidly connected soft light type light effect backlight of claim 3, wherein: the light guide plate is prepared by mixing PC and light diffusant and then performing injection molding.
5. The rigidly connected soft light type light effect backlight of claim 1, wherein: the top of vertical portion is equipped with the hangers of being convenient for the location to the epirelief, the leading flank of hangers flushes the setting with the leading flank of vertical portion, the rear end of hangers extends outside vertical portion.
6. The rigidly connected soft light type light effect backlight of claim 1, wherein: the upper end face, the lower end face, the left side face, the right side face and the rear side face of the transverse portion, and the front side face, the rear side face, the left side face, the right side face and the upper end face of the vertical portion are all covered with a shading film.
7. The rigidly connected soft light type light effect backlight of claim 1, wherein: the PCB is arranged on the rear side of the vertical part; the rear side of the vertical part is provided with a mounting groove, the PCB is positioned in the mounting groove, and the upper end of the PCB extends out of the upper end of the vertical part; the light source is arranged on the front side of the PCB and is positioned in the mounting groove.
8. The rigidly connected soft lighting type backlight of claim 7, wherein: the inner wall of mounting groove is concave to be equipped with the groove of stepping down that is used for installing the light source, the light source is located the inslot of stepping down.
9. The rigidly connected soft lighting type backlight of claim 8, wherein: the light source is the LED component, the groove of stepping down is the in-line structure that extends along left right direction, the LED component has a plurality of, and a plurality of LED component is arranged in the front side of PCB along left right direction even interval.
10. The rigidly connected soft light type light effect backlight of claim 1, wherein: the left end and the right end of the vertical part and the left end and the right end of the transverse part are respectively provided with a corresponding space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020652550.2U CN211822222U (en) | 2020-04-26 | 2020-04-26 | Hard-connected soft light type lighting effect backlight source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020652550.2U CN211822222U (en) | 2020-04-26 | 2020-04-26 | Hard-connected soft light type lighting effect backlight source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211822222U true CN211822222U (en) | 2020-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020652550.2U Active CN211822222U (en) | 2020-04-26 | 2020-04-26 | Hard-connected soft light type lighting effect backlight source |
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| Country | Link |
|---|---|
| CN (1) | CN211822222U (en) |
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2020
- 2020-04-26 CN CN202020652550.2U patent/CN211822222U/en active Active
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