CN213810438U

CN213810438U - Shading structure for improving lighting uniformity

Info

Publication number: CN213810438U
Application number: CN202023305530.7U
Authority: CN
Inventors: 史雅莉; 徐磊
Original assignee: Changzhou Xingyu Automotive Lighting Systems Co Ltd
Current assignee: Changzhou Xingyu Automotive Lighting Systems Co Ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-07-27
Anticipated expiration: 2030-12-31

Abstract

The utility model relates to a car light lighting technology, in particular to a shading structure for improving the lighting uniformity, which effectively avoids the visible bright spots or dark spaces from the overlooking angle when a circuit board is arranged at the lower end of a reflector, thereby obtaining better lighting uniformity; the LED lamp shade comprises a light shade (4), wherein a light source light outlet (1) is formed in the light shade (4), an arc-shaped light shading structure (2) is arranged at the edge of the light source light outlet (1), a pattern surface structure (3) is arranged on the inner side of the arc-shaped light shading structure (2), the height of the arc-shaped light shading structure (2) is 8mm, and the thickness of the arc-shaped light shading structure is 0.9 mm; the design of the shading structure can adjust the light transmission and diffusion performance by changing the thickness, the material, the plating material, the shape of the diffusion pattern and the arch height, effectively avoids bright spots caused by direct irradiation of the LED light source or dark areas generated by the visual shading structure made of the opaque material, and further obtains uniform lighting effect.

Description

Shading structure for improving lighting uniformity

Technical Field

The utility model relates to a car light lighting technology specifically is an improve shading structure who lights homogeneity.

Background

With the rapid development of automobile lighting technology, the automobile tail lamp is more and more diversified and stereoscopic in shape, and particularly, the requirement on the lighting uniformity of the position lamp is higher, and the evaluation angle is more. For the spatial structure that the LED light source is arranged at the lower end of the reflector, bright spots generated by direct irradiation of the LED often exist in a large overlooking angle, and if an opaque light blocking structure is adopted, corresponding dark areas can be seen in the overlooking angle, so that the lighting uniformity is poor.

SUMMERY OF THE UTILITY MODEL

To the problem mentioned in the background art, the utility model aims at providing an improve shading structure who lightens homogeneity effectively avoids when the circuit board arranges when the speculum lower extreme, from overlooking the visible bright spot of angle or dark space to obtain better homogeneity of lightening.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides an improve shading structure of homogeneity of lighting, includes the lens hood be equipped with light source light-emitting hole on the lens hood, the edge in light source light-emitting hole is equipped with arc light-shielding structure, arc light-shielding structure inboard is equipped with the pattern face structure, arc light-shielding structure highly is 8mm, and thickness is 0.9 mm.

Preferably, the patterned surface structure is a corn grain patterned surface structure.

Preferably, each of the patterned surfaces of the corn kernels has a size of 2mm by 2mm and each of the patterned surfaces of the corn kernels has an arch height of 0.15 mm.

Preferably, the light shield is made of a milky scattering material or a white PC material.

Preferably, the pattern surface structure can also be a leather pattern surface or a stripe surface.

Preferably, the thickness of the arc-shaped light shield is 0.5-10 mm.

Preferably, an aluminum plating layer may be additionally provided on the surface of the pattern surface structure.

To sum up, the utility model discloses mainly have following beneficial effect: the utility model discloses an improve shading structure of homogeneity of lighting, its printing opacity and diffusion performance are adjusted with the hunch height to its shading structure's design accessible changes thickness, material, cladding material and diffusion decorative pattern shape, have effectively avoided being penetrated the bright spot that leads to or the dark space that the visual production of opaque material shading structure directly by the LED light source to obtain even effect of lighting.

Drawings

Fig. 1 is a schematic view of the shading structure of the present invention;

FIG. 2 is a schematic cross-sectional view and a schematic light ray view of the present invention;

fig. 3 is a schematic view of a light shielding structure according to embodiment 1 of the present invention;

fig. 4 is a schematic view of a light shielding structure according to embodiment 2 of the present invention;

fig. 5 is a schematic view of a light shielding structure according to embodiment 3 of the present invention.

Reference numerals: 1. a light source light outlet; 2. an arc-shaped shading structure; 3. a pattern surface structure; 4. a light shield.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

A shading structure for improving lighting uniformity comprises a shading cover 4, wherein a light source light outlet 1 is formed in the shading cover 4, an arc-shaped shading structure 2 is arranged at the edge of the light source light outlet 1, a pattern surface structure 3 is arranged on the inner side of the arc-shaped shading structure 2, the height of the arc-shaped shading structure 2 is 8mm, and the thickness of the arc-shaped shading structure 2 is 0.9 mm; the pattern surface structure 3 is a corn kernel pattern surface structure; each corn kernel pattern surface of the corn kernel pattern surface structure has the size of 2mm by 2mm, and the arch height of each corn kernel pattern surface is 0.15 mm; the light shield 4 is made of a milky scattering material or a white PC material; the pattern surface structure 3 can also be a leather pattern surface or a stripe surface; the thickness of the arc-shaped light shield 4 is 0.5-10 mm; an aluminum coating layer can be additionally arranged on the surface of the pattern surface structure 3.

Example 1:

as shown in the figure, in this embodiment, the light shielding structure includes a light source light outlet 1, and an arc light shielding structure 2 along an edge of the light source light outlet 1, and a pattern surface inside the arc light shielding structure 2 is a corn grain pattern surface. The arc-shaped shading structure 2 in the embodiment is made of white PC material and has a height of 8 mm. The thickness of the arc-shaped shading structure 2 is 0.9mm, the grain size of the inner corn kernels is 2mm x 2mm, and the arch height is 0.2 mm. The light source passes through the light outlet hole, and the light which is directly emitted to the lampshade spreads from various angles after the diffusion effect of the pattern surface at the inner side of the arc-shaped shading structure 2 and the transmission of the arc-shaped shading structure 2.

Example 2:

as shown in the figure, in this embodiment, the light-shielding result includes a light-emitting hole 1 of the light source, an arc-shaped light-shielding structure 2 along the edge of the light-emitting hole, and the inner pattern surface of the arc-shaped light-shielding structure 2 is the corn grain pattern surface. The light shield in this embodiment adopts milk white scattering material, and is high for 9mm, and the thickness of arc light-shielding structure 2 is 3.5mm, and inboard kernel flower grain size is 2mm, and the hunch height is 0.15 mm. After the light source passes through the light outlet hole and the light which is directly emitted to the lampshade passes through the arc-shaped shading structure 2, the light is diffused to all directions due to the diffusion effect of the milky scattering material and the corn grain patterns.

Example 3:

as shown in the figure, in this embodiment, the light shielding structure includes a light source light outlet 1, and an arc light shielding structure 2 designed along an edge of the light source light outlet 1, and an inner side pattern surface of the arc light shielding structure 2 is a corn kernel pattern surface with a husk pattern. The arc-shaped shading structure 2 in this embodiment is made of a PC material, and is aluminized, and the height is 9 mm. The thickness of the arc-shaped shading structure 2 is 0.6mm, the grain size of the inner corn kernels is 2mm x 2mm, and the arch height is 0.15 mm. The light source passes through the light source light outlet hole 1, and the light which is directly radiated to the lampshade is scattered towards a plurality of directions through the reflection and diffusion effects of the aluminized corn grain patterns and the dermatoglyph on the inner side of the arc-shaped shading structure 2.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A shading structure for improving lighting uniformity is characterized in that: including lens hood (4), be equipped with light source light-emitting hole (1) on lens hood (4), the edge of light source light-emitting hole (1) is equipped with arc light-shading structure (2), arc light-shading structure (2) inboard is equipped with decorative pattern face structure (3), the height of arc light-shading structure (2) is 8mm, and thickness is 0.9 mm.

2. The light shielding structure for improving lighting uniformity of claim 1, wherein: the patterned surface structure (3) is a corn grain patterned surface structure.

3. The light shielding structure for improving lighting uniformity of claim 2, wherein: each corn kernel pattern surface of the corn kernel pattern surface structure is 2mm by 2mm in size, and the arch height of each corn kernel pattern surface is 0.15 mm.

4. The light shielding structure for improving lighting uniformity of claim 1, wherein: the light shield (4) is made of milky scattering material or white PC material.

5. The light shielding structure for improving lighting uniformity of claim 1, wherein: the pattern surface structure (3) can also be a leather pattern surface or a stripe surface.

6. The light shielding structure for improving lighting uniformity of claim 1, wherein: the thickness of the arc-shaped shading structure (2) is 0.5-10 mm.

7. The light shielding structure for improving lighting uniformity of claim 1, wherein: the surface of the pattern surface structure (3) can be additionally provided with an aluminum coating.