CN212540966U - Improved reflection type side-emitting backlight lens - Google Patents
Improved reflection type side-emitting backlight lens Download PDFInfo
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- CN212540966U CN212540966U CN202021528517.5U CN202021528517U CN212540966U CN 212540966 U CN212540966 U CN 212540966U CN 202021528517 U CN202021528517 U CN 202021528517U CN 212540966 U CN212540966 U CN 212540966U
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Abstract
The utility model relates to the technical field of backlight lenses, in particular to an improved reflection type side-lighting backlight lens, which comprises a base and a cover body, wherein the base is provided with a lighting cavity, the interior of the cover body and the lighting cavity are transparent, and the lighting cavity is provided with a first light guide surface; the cover body is provided with a top reflecting surface; the cover body is provided with a second light guide surface and a third light guide surface; the base is provided with a back-off notch, and the base is provided with fire patterns. The utility model has simple structure, improves the prior backlight lens, and realizes the uniform brightness of the emitted light; the top reflecting surface is arranged to play a pure reflecting role, and the light path of the light is guided to the top reflecting surface to be totally reflected and then guided to the second light guide surface and the third light guide surface, so that the cover body is thinner, the angle of light divergence is larger, and the luminance is softer; the back-off type notch is arranged, so that burrs of the backlight lens during production are avoided; through setting up the fire decorative pattern, play the effect of hiding the inside component of equipment, improve aesthetic measure.
Description
Technical Field
The utility model belongs to the technical field of the lens technique of being shaded and specifically relates to indicate a modified reflective side-emitting lens in a poor light.
Background
The backlight lens refers to an apparatus capable of transmitting light, distributing light, and changing light distribution of an external light source, and is generally applied to a rear of a liquid crystal television or a background wall. The existing backlight lens has the following problems due to the structural limitation: the brightness of the light refracted by the backlight lens is not uniform and soft; burrs can occur on the edge of the backlight lens during production; the non-light-transmitting area of the backlight lens is transparent, so that the components inside the device can be seen, the appearance is affected, and the problems need to be solved urgently.
Disclosure of Invention
The utility model discloses problem to prior art provides a modified reflective side-emitting backlight lens.
In order to solve the technical problem, the utility model discloses a following technical scheme: an improved reflection type side-emitting backlight lens comprises a base and a cover body, wherein the base is connected with the cover body, the base is provided with a light-emitting cavity for accommodating an external light source, the interior of the cover body and the light-emitting cavity are transparent, the light-emitting cavity is arranged at the bottom of the cover body, the top of the light-emitting cavity is provided with a first light guide surface, the first light guide surface is in an inverted horn shape, and the inner diameter of the inverted horn shape is gradually reduced from the position close to the light-emitting cavity to the position far away from the light-emitting cavity; the top of the cover body is provided with a top reflecting surface used for reflecting light rays emitted by a light source in the light-emitting cavity, the shape of the top reflecting surface is horn-shaped, and the inner diameter of the horn-shaped surface is gradually increased from the position close to the light-emitting cavity to the position far away from the light-emitting cavity; the light-emitting side wall of the cover body is provided with a second light guide surface and a third light guide surface, the second light guide surface is obliquely arranged, and the third light guide surface outwards arches to form an arc-shaped structure; the bottom edge of base is equipped with the back-off formula breach, and the bottom surface of base and the top surface of base all are equipped with the fire decorative pattern.
Furthermore, the side wall of the light-emitting cavity is gradually inclined and folded from the direction far away from the first light guide surface to the direction close to the first light guide surface.
Furthermore, the central points of the first light guide surface and the top reflecting surface are both on the central axis of the cover body.
Furthermore, the bottom of the cover body is provided with a plurality of equal-height column feet at intervals.
Further, the bottom of base is equipped with a plurality of and mixes the light ring.
Furthermore, the bottom of the base is provided with a lifting ring.
Furthermore, the uppermost end of the top reflecting surface and the top of the cover body are arranged in a sharp angle.
The utility model has the advantages that: the utility model discloses simple structure has improved current lens in a poor light, locates the light source of external world in the luminous chamber, and the light that the light source sent is behind the lateral wall and the first leaded light face in luminous chamber, because the cover body is inside to be the transparence, the light path of light is guided to second leaded light face and third leaded light face, realizes that the light brilliance that sends is even; the top reflecting surface is arranged to play a pure reflecting role, and the light path of the light is guided to the top reflecting surface to be totally reflected and then guided to the second light guide surface and the third light guide surface, so that the cover body is thinner, the angle of light divergence is larger, and the luminance is softer; the back-off type notch is arranged, so that burrs of the backlight lens during production are avoided; set up fire decorative pattern through the top at the bottom of base and base, play the effect of hiding the inside component of equipment, play the effect of hiding the ugly, improve aesthetic measure.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of another angle of the present invention.
Fig. 3 is a cross-sectional view of the present invention.
Fig. 4 is a bottom view of the present invention.
Fig. 5 is a top view of the present invention.
Reference numerals:
1. a base; 2. a cover body; 3. a light emitting cavity; 4. a first light guide surface; 5. a top reflective surface; 6. a second light guide surface; 7. a third light guide surface; 8. a reversed buckle type notch; 9. spark lines; 10. lifting the ring; 11. a mixed aperture; 12. and (4) equal-height column feet.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following embodiments and accompanying drawings.
Referring to fig. 1 to 5, an improved reflective side-emitting backlight lens includes a base 1 and a cover 2, the base 1 is connected to the cover 2, the base 1 is provided with a light-emitting cavity 3 for accommodating an external light source, the interior of the cover 2 and the light-emitting cavity 3 are transparent, the light-emitting cavity 3 is disposed at the bottom of the cover 2, the top of the light-emitting cavity 3 is provided with a first light guide surface 4, the first light guide surface 4 is in the shape of an inverted horn, and the inner diameter of the inverted horn is gradually reduced from the direction close to the light-emitting cavity 3 to the direction far from the light-emitting cavity 3; the top of the cover body 2 is provided with a top reflecting surface 5 for reflecting light rays emitted by a light source in the light-emitting cavity 3, the top reflecting surface 5 is trumpet-shaped, and the inner diameter of the trumpet-shaped gradually increases from the direction close to the light-emitting cavity 3 to the direction far away from the light-emitting cavity 3; the light-emitting side wall of the cover body 2 is provided with a second light guide surface 6 and a third light guide surface 7, the second light guide surface 6 is obliquely arranged, and the third light guide surface 7 is outwards arched to form an arc-shaped structure; the bottom edge of base 1 is equipped with back-off formula breach 8, and the bottom surface of base 1 and the top surface of base 1 all are equipped with fiery pattern 9.
The utility model discloses simple structure has improved current lens in a poor light, holds external light source in luminous cavity 3, and the light that the light source sent is behind luminous cavity 3's lateral wall and first leaded light face 4, because the cover body 2 inside is transparent, the light path of light is led to second leaded light face 6 and third leaded light face 7, realizes that the light brilliance that sends is even; the top reflecting surface 5 is arranged to play a pure reflecting role, and the light path of the light is guided to the top reflecting surface 5 for total reflection and then guided to the second light guide surface 6 and the third light guide surface 7, so that the cover body 2 is thinner, the angle of light divergence is larger, and the luminance is softer; the reverse buckle type gap 8 is arranged, so that burrs of the backlight lens during production are avoided; set up fire decorative pattern 9 through the bottom at base 1 and the top of base 1, play the effect of hiding the inside component of equipment, play the effect of hiding ugly, improve aesthetic measure. In particular, the light source may be an LED light source. The slope of the second light guide surface 6 is 4-6 degrees.
As shown in fig. 3, in the present embodiment, the side wall of the light emitting cavity 3 gradually inclines and converges from the direction away from the first light guiding surface 4 to the direction close to the first light guiding surface 4. The angle of light refraction can be increased by the arrangement, and the light path is more divergent. In particular, the depth of the light emitting cavity 3 is 1.5mm to 1.7 mm. Therefore, the space occupied by the light-emitting cavity 3 is not too large, and light can be guided reasonably.
As shown in fig. 3, in the present embodiment, the central points of the first light guide surface 4 and the top reflection surface 5 are both on the central axis of the cover 2. The light guide quantity of the two sides of the first light guide surface 4 and the reflection quantity of the two sides of the top reflection surface 5 can be uniform, and the situation that light is on one side and dark is avoided.
As shown in fig. 2 and 4, in this embodiment, a plurality of equal-height column bases 12 are provided at intervals at the bottom of the cover body 2. The effect of convenient installation and fixation is achieved. The height of the equal-height column base 12 is 0.3mm-0.6 mm.
As shown in fig. 2 and 4, in this embodiment, the bottom of the base 1 is provided with a plurality of light mixing rings 11. In the process that the light path of light propagated, carry out the mixed light through mixing light circle 11 to the stray light that top plane of reflection 5 and a plurality of leaded light face produced and handle for the luminance of light is more even and soft.
As shown in fig. 2 and 4, in the present embodiment, a lifting ring 10 is provided at the bottom of the base 1. The light source is arranged to increase the accommodating space of the light-emitting cavity 3, so that the light source is prevented from being pressed.
As shown in FIG. 3, in this embodiment, the uppermost end of the top reflective surface 5 is disposed at a sharp angle to the top of the enclosure 2. Ensuring the effect of pure reflection of the top reflecting surface 5.
The above description is only for the preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention is disclosed in the preferred embodiment, it is not limited to the above description, and any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, but all the technical solutions of the present invention are within the scope of the present invention.
Claims (7)
1. An improved reflective side-emitting backlight lens, comprising: the LED lamp shade comprises a base (1) and a shade body (2), wherein the base (1) is connected with the shade body (2), the base (1) is provided with a light emitting cavity (3) for accommodating an external light source, the inside of the shade body (2) and the light emitting cavity (3) are both transparent, the light emitting cavity (3) is arranged at the bottom of the shade body (2), the top of the light emitting cavity (3) is provided with a first light guide surface (4), the first light guide surface (4) is in an inverted horn shape, and the inner diameter of the inverted horn shape is gradually reduced from the position close to the light emitting cavity (3) to the position far away from the light emitting cavity (3); the top of the cover body (2) is provided with a top reflecting surface (5) for reflecting light rays emitted by a light source in the light emitting cavity (3), the top reflecting surface (5) is horn-shaped, and the inner diameter of the horn-shaped surface is gradually increased from the position close to the light emitting cavity (3) to the position far away from the light emitting cavity (3); a second light guide surface (6) and a third light guide surface (7) are arranged on the light emergent side wall of the cover body (2), the second light guide surface (6) is obliquely arranged, and the third light guide surface (7) is arched outwards to form an arc-shaped structure; the bottom edge of base (1) is equipped with back-off formula breach (8), and the bottom surface of base (1) and the top surface of base (1) all are equipped with fiery pattern (9).
2. An improved reflective side-emitting backlight lens as claimed in claim 1, wherein: the side wall of the light-emitting cavity (3) is gradually inclined and folded from the direction far away from the first light guide surface (4) to the direction close to the first light guide surface (4).
3. An improved reflective side-emitting backlight lens as claimed in claim 1, wherein: the central points of the first light guide surface (4) and the top reflecting surface (5) are both on the central axis of the cover body (2).
4. An improved reflective side-emitting backlight lens as claimed in claim 1, wherein: a plurality of equal-height column feet (12) are arranged at the bottom of the cover body (2) at intervals.
5. An improved reflective side-emitting backlight lens as claimed in claim 1, wherein: the bottom of the base (1) is provided with a plurality of mixed light rings (11).
6. An improved reflective side-emitting backlight lens as claimed in claim 1, wherein: the bottom of the base (1) is provided with a lifting ring (10).
7. An improved reflective side-emitting backlight lens as claimed in claim 1, wherein: the uppermost end of the top reflecting surface (5) and the top of the cover body (2) are arranged in a sharp angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021528517.5U CN212540966U (en) | 2020-07-28 | 2020-07-28 | Improved reflection type side-emitting backlight lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021528517.5U CN212540966U (en) | 2020-07-28 | 2020-07-28 | Improved reflection type side-emitting backlight lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212540966U true CN212540966U (en) | 2021-02-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021528517.5U Active CN212540966U (en) | 2020-07-28 | 2020-07-28 | Improved reflection type side-emitting backlight lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212540966U (en) |
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2020
- 2020-07-28 CN CN202021528517.5U patent/CN212540966U/en active Active
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