CN214890959U

CN214890959U - Light emitting device and vehicle lamp

Info

Publication number: CN214890959U
Application number: CN202121207514.6U
Authority: CN
Inventors: 胡姜; 高翔
Original assignee: Changzhou Xingyu Automotive Lighting Systems Co Ltd
Current assignee: Changzhou Xingyu Automotive Lighting Systems Co Ltd
Priority date: 2021-06-01
Filing date: 2021-06-01
Publication date: 2021-11-26
Anticipated expiration: 2031-06-01

Abstract

The utility model provides a light emitting device and car light, wherein, light emitting device includes: a support; the luminous piece is arranged on the bracket; the reflecting curved surface is arranged corresponding to the light-emitting piece so as to receive the light rays emitted by the light-emitting piece and reflect the received light rays emitted by the light-emitting piece; the decorative frame is arranged corresponding to the reflection side of the reflection curved surface so as to receive the reflection light rays emitted by the reflection curved surface and uniformly emit the reflection light rays. The utility model discloses can realize the even luminescence of large tracts of land under the condition that does not need leaded light spare or leaded light subassembly to simple structure, thereby can reduce product cost.

Description

Light emitting device and vehicle lamp

Technical Field

The utility model relates to the field of lighting technology, concretely relates to illuminator and car light.

Background

At present, in order to realize large-area luminescence of the car lamp, a large-reflection cavity structure is generally adopted, a lamp hole is formed in the center of the structure, and a bulb is used as a light source, but the integrity of the reflection cavity structure is damaged in the mode; on the other hand, in terms of lighting effect, a dark circle is formed around the bulb hole, and the uniformity of the entire lamp is easily impaired.

With the development of vehicle lamp technology, more and more LED lighting units are applied to vehicle lamps, wherein a surface light source is created. However, although the surface light source can be flexible in shape, it is relatively expensive, and in order to obtain uniform light in the largest area, at least one light guide member or light guide assembly is usually required to be designed, which also increases the cost of the whole lamp and the complexity of assembly.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the above-mentioned technology to a certain extent. Therefore, an object of the present invention is to provide a light emitting device, which can realize uniform light emission in a large area without a light guide member or a light guide assembly, and has a simple structure, thereby reducing the product cost.

A second object of the present invention is to provide a vehicle lamp.

To achieve the above object, an embodiment of a first aspect of the present invention provides a light emitting device, including: a support; the luminous piece is arranged on the bracket; the reflecting curved surface is arranged corresponding to the light-emitting piece so as to receive the light rays emitted by the light-emitting piece and reflect the received light rays emitted by the light-emitting piece; the decorative frame is arranged corresponding to the reflection side of the reflection curved surface so as to receive the reflection light rays emitted by the reflection curved surface and uniformly emit the reflection light rays.

According to the embodiment of the utility model provides a light-emitting device, through setting up the support, the illuminating part, reflection curved surface and escutcheon, wherein, reflection curved surface corresponds the illuminating part setting, in order to receive the light that sends of illuminating part and reflect the light that sends of illuminating part received, the escutcheon corresponds the reflection side setting of reflection curved surface, in order to receive the reflection light that reflection curved surface sent and evenly send reflection light, therefore, can realize the even luminescence of large tracts of land under the condition that does not need leaded light spare or leaded light subassembly, and simple structure, thereby can reduce product cost.

In addition, the light emitting device according to the above embodiments of the present invention may further have the following additional technical features:

according to the utility model discloses an embodiment, the illuminating part includes a plurality of luminescence units and luminescence unit base plate, wherein, the luminescence unit base plate set up in on the support, it is a plurality of the luminescence unit set up in on the luminescence unit base plate, and it is a plurality of the luminescence end of luminescence unit corresponds the reflection curved surface.

According to the utility model discloses an embodiment, the reflection curved surface is formed by a plurality of planes and/or the level and smooth concatenation in order of curved surface, and the reflection side of reflection curved surface is equipped with the dermatoglyph.

According to the utility model discloses an embodiment, the reflection curved surface is to receiving the light that sends of illuminating part carries out lambertian reflection and gaussian reflection.

According to the utility model discloses an embodiment, the escutcheon includes goes out plain noodles and non-plain noodles, wherein, it corresponds to go out the plain noodles the reflection side of reflection curved surface sets up, in order to receive the reflection light that the reflection curved surface sent will reflection light evenly sends.

According to the utility model discloses an embodiment, go out the plain noodles and be plane or curved surface, and the inboard and the outside of going out the plain noodles all are equipped with the dermatoglyph.

According to the utility model discloses an embodiment, the non-plain noodles inboard is equipped with the dermatoglyph, the outside on non-plain noodles is equipped with the metal level.

According to an embodiment of the present invention, the stent is a PC (Polycarbonate) white stent.

According to an embodiment of the present invention, the decorative frame is made of a colorless transparent material.

In order to achieve the above object, an embodiment of a second aspect of the present invention provides a vehicle lamp, including the light emitting device provided in the embodiment of the first aspect.

According to the utility model discloses the car light that the embodiment provided is through adopting the utility model discloses the illuminator of above-mentioned embodiment can realize the even luminescence of large tracts of land under the condition that does not need leaded light spare or leaded light subassembly to simple structure to can reduce product cost.

Drawings

Fig. 1 is a schematic structural diagram of a light-emitting device according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a light-emitting device according to an embodiment of the present invention;

fig. 3 is a front view of a light emitting device according to an embodiment of the present invention;

fig. 4 is a schematic view illustrating a shape of a planar light emitting surface according to an embodiment of the present invention;

fig. 5 is a schematic view illustrating a shape of a curved light-emitting surface according to another embodiment of the present invention.

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.

Fig. 1 is a schematic structural diagram of a light emitting device according to an embodiment of the present invention.

As shown in fig. 1, the light emitting device according to the embodiment of the present invention includes a bracket 10, a light emitting member 20, a reflective curved surface 30, and an escutcheon 40. Wherein, the light emitting member 20 can be disposed on the bracket 10; the reflective curved surface 30 may be disposed corresponding to the light emitting member 20 to receive the light emitted from the light emitting member 20 and reflect the received light emitted from the light emitting member 20; the escutcheon 40 may be disposed corresponding to the reflective side 301 of the reflective curved surface 30 to receive the reflected light emitted from the reflective curved surface 30 and uniformly emit the reflected light.

Specifically, as shown in fig. 1, the light emitted from the light emitting element 20 may enter the reflective curved surface 30, and then may be diffusely reflected in the reflective curved surface 30, and further may be reflected from the reflective side 301 of the reflective curved surface 30 to form a large area of uniform light, and finally may be emitted from the escutcheon 40, so that the large area of uniform light emission may be achieved without a light guide element or a light guide assembly, and the structure is simple, and the product cost may be reduced.

In an embodiment of the present invention, as shown in fig. 2, an opening b is further provided on one side of the support 10, and the light emitting element 20 is disposed on the support 10 specifically at the position of the opening b, for example, the light emitting element can be directly mounted on the support 10 without a light guide element or a light guide assembly. Among them, the stent 10 may be a PC (Polycarbonate) white stent.

In an embodiment of the present invention, as shown in fig. 3, the light emitting member 20 may include a plurality of light emitting units 201 and a light emitting unit substrate 202, wherein the light emitting unit substrate 202 may be disposed on the bracket 10, the plurality of light emitting units 201 may be disposed on the light emitting unit substrate 202, and the light emitting ends a of the plurality of light emitting units 201 may correspond to the reflective curved surface 30, and specifically, the reflective side 301 of the reflective curved surface 30 may be disposed on the light emitting unit substrate 202. The light emitting unit 201 may be an LED light emitting unit, and the light emitting unit substrate 202 may be an LED circuit board.

In an embodiment of the present invention, as shown in fig. 2, the curved reflective surface 30 may be formed by sequentially and smoothly splicing a plurality of planes and/or curved surfaces, and a dermatoglyph may be further disposed on the reflective side 301 of the curved reflective surface 30. It should be further noted that the curved reflective surface 30 may be integrally formed, for example, by sequentially and smoothly joining two flat and/or curved surfaces. In addition, as shown in fig. 3, the curved reflecting surface 30 may be disposed on the bracket 10, and specifically, the curved reflecting surface 30 may be disposed on the bracket 10 by an integrated process, so that the curved reflecting surface 30 and the bracket 10 may be integrated into a whole, thereby ensuring the overall stability.

In an embodiment of the present invention, the curved reflective surface 30 can be a smooth surface made of white material, so that the light emitted from the light emitting unit 201 can be diffusely reflected, and specifically lambertian reflection and gaussian reflection can be performed, so that the large-area uniform light can be refracted from the reflective side 301.

In an embodiment of the present invention, as shown in fig. 2, the escutcheon 40 may include a light emitting surface 401 and a non-light emitting surface, such as a first non-light emitting surface 402 and a second non-light emitting surface 403. The light emitting surface 401 may be disposed corresponding to the reflection side 301 of the reflection curved surface 30 to receive the reflection light emitted from the reflection curved surface 30 and uniformly emit the reflection light.

Specifically, as shown in fig. 2, the escutcheon 40 may include at least one large-area light emitting surface 401, a first non-light emitting surface 402 and a second non-light emitting surface 403. The light emitting surface 401 may be a plane or a curved surface, such as the plane shown in fig. 3 or the curved surface shown in fig. 4, and both the inner side and the outer side of the light emitting surface 401 may be provided with dermatoglyphs; the inner sides of the first non-light-emitting surface 402 and the second non-light-emitting surface 403 may be provided with leather patterns, and the outer sides of the first non-light-emitting surface 402 and the second non-light-emitting surface 403 may be provided with metal layers, and the metal layers are opaque. The light reflected by the reflecting curved surface 30 can be further uniformly processed through the dermatoglyph arranged on the inner side and the outer side of the large-area light-emitting surface, so that the uniformity of the light finally emitted can be ensured.

In an embodiment of the present invention, the decoration frame 40 can be a colorless and transparent decoration frame, and can be designed with a light-emitting surface with flexible and various shapes according to actual needs, such as a planar light-emitting surface shown in fig. 4 or a curved light-emitting surface shown in fig. 5.

Corresponding to the above embodiment, the utility model also provides a car lamp.

The embodiment of the utility model provides a car light, including the illuminator that above-mentioned embodiment provided, its embodiment can refer to above-mentioned embodiment.

In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. The meaning of "plurality" is two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Claims

1. A light-emitting device, comprising:

a support;

the luminous piece is arranged on the bracket;

the reflecting curved surface is arranged corresponding to the light-emitting piece so as to receive the light rays emitted by the light-emitting piece and reflect the received light rays emitted by the light-emitting piece;

the decorative frame is arranged corresponding to the reflection side of the reflection curved surface so as to receive the reflection light rays emitted by the reflection curved surface and uniformly emit the reflection light rays.

2. The light-emitting device according to claim 1, wherein the light-emitting member includes a plurality of light-emitting units and a light-emitting unit substrate, wherein the light-emitting unit substrate is disposed on the support, the plurality of light-emitting units are disposed on the light-emitting unit substrate, and light-emitting ends of the plurality of light-emitting units correspond to the curved reflective surface.

3. The light-emitting device according to claim 2, wherein the curved reflective surface is formed by sequentially and smoothly splicing a plurality of flat and/or curved surfaces, and a reflective side of the curved reflective surface is provided with a dermatoglyph.

4. The illumination device as recited in claim 3 wherein the curved reflective surface reflects light received from the illuminator in a lambertian and gaussian manner.

5. The light-emitting device according to claim 4, wherein the escutcheon includes a light-emitting surface and a non-light-emitting surface, wherein the light-emitting surface is disposed corresponding to the reflective side of the reflective curved surface to receive the reflected light from the reflective curved surface and uniformly emit the reflected light.

6. The light-emitting device according to claim 5, wherein the light-emitting surface is a plane or a curved surface, and the inner side and the outer side of the light-emitting surface are both provided with dermatoglyphs.

7. The device as claimed in claim 6, wherein the non-light-emitting surface has a skin pattern on the inner side thereof, and a metal layer on the outer side thereof.

8. The lighting device of claim 1, wherein the support is a PC white support.

9. The lighting device as claimed in claim 1, wherein the decorative frame is made of a colorless transparent material.

10. A vehicular lamp characterized by comprising the light-emitting device according to any one of claims 1 to 9.