CN219346287U - Light emitting structure and vehicle having the same - Google Patents

Abstract

The utility model discloses a light emitting structure and a vehicle with the same, the light emitting structure comprises: the circuit board, light guide plate, preceding frame and back lid, the light guide plate sets up the upper end of light source on the circuit board, preceding frame and back lid set up respectively the both ends of light guide plate, the light source includes at least: a first light source and a second light source; the light guide plate includes at least: the first light guide plate and the second light guide plate are respectively arranged corresponding to the first light source and the second light source, are configured to allow light rays emitted by the first light source and the second light source to enter and guide the light rays outwards along respective light guide directions; the light emitting structure further includes: the support is fixed on the circuit board and is configured to block light rays between the first light guide plate and the second light guide plate so that the first light guide plate and the second light guide plate can be led out from different areas of the front frame respectively.

Description

Light emitting structure and vehicle having the same

Technical Field

The present disclosure relates to a light emitting structure, and particularly to a light emitting structure and a vehicle having the light emitting structure.

Background

With the rapid development of the automobile industry and the progress of human civilization, people put more and more demands on the attractive appearance of automobiles. With the advancement of technology, the automobile industry is increasingly pursuing and exploring new technologies. The car lamp is used as an important component of the car, and the requirements of the car lamp are not exceptional, so that the requirements of attractive appearance are met, and breakthrough and application of new technology are continuously pursued.

The search for the implementation form of the function of the car lamp never stops, and the car signal lamp is developed from a bulb form to a full LED; direct incidence, by LED plus internal, reflectors are developed to the focalizer and light guide. Today, in order to meet the requirements of modeling for stereoscopic impression, an implementation form of 3D light has been developed. The 3D light has been implemented for several years in the form of a single function position light, i.e. 3D light 1.0, as in fig. 1. The prior art light emitting structure 10 comprises a front frame 1, a light guide plate 2, a rear cover 3 and a circuit board 4, wherein the light is incident to the light guide plate 2 by the LEDs on the circuit board 4, and the light is emitted to realize the function of lighting through the micro patterns on the light guide plate 2, so that the function of a single-function position lamp is realized at present.

Disclosure of Invention

The present solution addresses the above-mentioned problems and needs, and proposes a light emitting structure and a vehicle having the same, which can achieve the above technical objects and bring about other technical effects due to the following technical features.

An object of the present utility model is to provide a light emitting structure, comprising: the circuit board, the light guide plate, the front frame and the rear cover, the light guide plate is arranged at the upper end of the light source on the circuit board, the front frame and the rear cover are respectively arranged at the two ends of the light guide plate,

the light source comprises at least: a first light source and a second light source;

the light guide plate includes at least: the first light guide plate and the second light guide plate are respectively arranged corresponding to the first light source and the second light source, are configured to allow light rays emitted by the first light source and the second light source to enter and guide the light rays outwards along respective light guide directions;

the light emitting structure further includes: the bracket is arranged on the upper surface of the bracket,

the support is fixed on the circuit board and is configured to block light rays between the first light guide plate and the second light guide plate so that the first light guide plate and the second light guide plate can be led out from different areas of the front frame respectively.

In the technical scheme, the first light source and the second light source respectively enter the first light guide plate and the second light guide plate, the light rays are led out outwards along the respective light guide directions, and the light rays between the first light guide plate and the second light guide plate can be blocked by the support, so that the first light guide plate and the second light guide plate can be led out from different areas of the front frame respectively; therefore, conditions are created for the realization and design of the cool dynamic effect of the luminous molding surfaces of the plurality of windows of the front frame, the technological sense of the lamp is greatly improved, and the luminous molding surface is simple in structure and high in reliability.

In addition, the light emitting structure and the vehicle having the same according to the present utility model may further have the following technical features:

in one example of the present utility model, further comprising: the heat sink is made of metal and is made of metal,

the metal radiating fin is fixed on the circuit board and is configured to increase the radiating area of the circuit board.

In one example of the present utility model, the metal heat sink is an aluminum sheet.

In one example of the present utility model, the metal heat sink is located at a position that is orthographic projected on the wiring board to cover at least the positions of the first light source and the second light source.

In one example of the present utility model, the metal heat sink and the circuit board are fixedly coupled by pins.

In one example of the present utility model, the bracket is disposed between the first light guide plate and the second light guide plate, and orthographic projections of the first light guide plate and the second light guide plate in the first direction have an overlapping region, and an area of the bracket is not smaller than an area of the overlapping region.

In one example of the present utility model, the first light guide plate is disposed close to the front frame, the second light guide plate is disposed far from the front frame, and a height of the second light guide plate in a first direction is greater than a height of the first light guide plate in the first direction, wherein a height of the bracket in the first direction is not less than a height of the first light guide plate and not greater than a height of the second light guide plate.

In one example of the present utility model, the front frame has a first window and a second window;

the light led out by the first light guide plate is led out by the first window, and the light led out by the projection of the second light guide plate on the bracket and the non-overlapping area of the bracket is led out by the second window.

In one example of the present utility model, further comprising: and the inner part is arranged in the second window and is positioned at the upper end of the bracket.

Another object of the present utility model is to propose a vehicle comprising a light emitting structure as described above.

Preferred embodiments for carrying out the present utility model will be described in more detail below with reference to the attached drawings so that the features and advantages of the present utility model can be easily understood.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present utility model, the following description will briefly explain the drawings of the embodiments of the present utility model. Wherein the showings are for the purpose of illustrating some embodiments of the utility model only and not for the purpose of limiting the same.

Fig. 1 is a schematic structural view of a light emitting structure in the prior art;

fig. 2 is a schematic view of one direction of a light emitting structure according to an embodiment of the present utility model;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

fig. 4 is a schematic view of another directional structure of a light emitting structure according to an embodiment of the present utility model;

fig. 5 is an exploded view of a light emitting structure according to an embodiment of the present utility model;

fig. 6 is a schematic view showing one lighting embodiment (position lighting) of a light emitting structure according to an embodiment of the present utility model;

fig. 7 is a view showing another lighting embodiment (turn signal lighting) of the light emitting structure according to the embodiment of the present utility model;

fig. 8 is a view showing still another lighting embodiment (position lamp and turn lamp lighting) of the light emitting structure according to the embodiment of the present utility model.

List of reference numerals:

a light emitting structure 100;

a wiring board 110;

a light guide plate 120;

the first light guide plate 121;

a second light guide plate 122;

a front frame 130;

a first window 131;

a second window 132;

a rear cover 140;

a bracket 150;

a light source 160;

a first light source 161;

a second light source 162;

an internal fit 170;

a metal heat sink 180;

a pin 190;

a prior art light emitting mechanism 10;

a front frame 1;

a light guide plate 2;

a rear cover 3;

and a wiring board 4.

Detailed Description

In order to make the objects, technical solutions and advantages of the technical solutions of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of specific embodiments of the present utility model. Like reference numerals in the drawings denote like parts. It should be noted that the described embodiments are some, but not all embodiments of the present utility model. All other embodiments, which can be made by a person skilled in the art without creative efforts, based on the described embodiments of the present utility model fall within the protection scope of the present utility model.

Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The terms "first," "second," and the like in the description and in the claims, are not used for any order, quantity, or importance, but are used for distinguishing between different elements. Likewise, the terms "a" or "an" and the like do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.

A light emitting structure 100 according to a first aspect of the present utility model, as shown in fig. 2 to 5, includes: a circuit board 110, a light guide plate 120, a front frame 130 and a rear cover 140, the light guide plate 120 being disposed at an upper end of a light source 160 on the circuit board 110, the front frame 130 and the rear cover 140 being disposed at both ends of the light guide plate 120,

the light source 160 includes at least: a first light source 161 and a second light source 162;

the light guide plate 120 includes at least: the first light guide plate 121 and the second light guide plate 122, and the first light guide plate 121 and the second light guide plate 122 are respectively disposed corresponding to the first light source 161 and the second light source 162, and configured to allow light emitted by the first light source 161 and the second light source 162 to enter and guide the light outwards along respective light guide directions;

the light emitting structure 100 further includes: the support 150 is configured to be mounted to a frame,

the bracket 150 is fixed on the circuit board 110, and is configured to block light between the first light guide plate 121 and the second light guide plate 122 so that the first light guide plate 121 and the second light guide plate 122 can be led out from different areas of the front frame 130.

Specifically, the first light source 161 and the second light source 162 respectively enter the first light guide plate 121 and the second light guide plate 122, and guide the light outwards along the respective light guide directions, and the bracket 150 can block the light between the first light guide plate 121 and the second light guide plate 122 so that the first light guide plate 121 and the second light guide plate 122 can be respectively guided out from different areas of the front frame 130; therefore, conditions are created for realizing and designing the cool dynamic effect for the luminous molding surfaces of the plurality of windows of the front frame 130, the technological sense of the lamp is greatly improved, and the lamp is simple in structure and high in reliability.

In one example of the present utility model, further comprising: the metal heat sink 180 is provided with a heat sink,

the metal heat sink 180 is fixed on the circuit board 110 and configured to increase a heat dissipation area of the circuit board 110;

since the circuit board 110 generates a large amount of heat during the operation, the metal heat sink 180 is fixed on the circuit board 110 to effectively conduct the heat on the circuit board 110, thereby effectively reducing the temperature of the heat dissipation plate.

In one example of the present utility model, the metal heat sink 180 is an aluminum sheet;

aluminum has good heat conducting property, large specific heat capacity, small mass and low price.

In one example of the present utility model, the metal heat sink 180 is located at a position where the orthographic projection on the circuit board 110 covers at least the first light source 161 and the second light source 162;

since the heat at the first light source 161 and the second light source 162 on the circuit board 110 is large, the metal heat sink 180 is configured to cover at least the positions of the first light source 161 and the second light source 162 on the orthographic projection on the circuit board 110, so that the part with large heat on the heat dissipation plate can be effectively dissipated, and the temperature of the circuit board 110 can be accurately and effectively reduced;

for example, the first light source 161 and the second light source 162 are disposed on one side of the circuit board 110, and the metal heat sink 180 is disposed on the other side of the circuit board 110 at a position opposite to the first light source 161 and the second light source 162.

In one example of the present utility model, the metal heat sink 180 is fixedly coupled to the circuit board 110 by pins 190;

the metal heat sink 180 and the circuit board 110 can be reliably coupled together by the pin 190, and the pin 190 can perform good heat conduction and heat dissipation functions.

In one example of the present utility model, the support 150 is disposed between the first light guide plate 121 and the second light guide plate 122, the orthographic projection of the first light guide plate 121 and the second light guide plate 122 in the first direction has an overlapping region, and an area of the support 150 is not smaller than an area of the overlapping region;

that is, the bracket 150 is configured to block the overlapping region of the first light guide plate 121 and the second light guide plate 122 in the first direction, so that the light of the non-overlapping region of the second light guide plate 122 and the first light guide plate 121 is guided out by the front frame 130, and the light of the first light guide plate 121 is guided out by the front frame 130;

as a preference, the widths of the first and second light guide plates 121 and 122 in the third direction are the same.

Preferably, the support 150 is a white reflector.

In one example of the present utility model, the first light guide plate 121 is disposed near the front frame 130, the second light guide plate 122 is disposed far from the front frame 130, and the height of the second light guide plate 122 in the first direction is greater than the height of the first light guide plate 121 in the first direction, wherein the height of the stand 150 in the first direction is not less than the height of the first light guide plate 121 and not greater than the height of the second light guide plate 122;

in other words, the support 150 is disposed between the first light guide plate 121 and the second light guide plate 122, and is configured to block a portion of light between the first light guide plate 121 and the second light guide plate 122, wherein a front projection area of the first light guide plate 121 on the support 150 is not greater than an area of the support 150, and a front projection area of the second light guide plate 122 on the support 150 is greater than an area of the support 150;

that is, the light guided out by the first light guide plate 121 is guided out by the front frame 130, the light guided out by the non-overlapping area between the second light guide plate 122 and the support 150 is guided out by the front frame 130, and the light guided out by the overlapping area between the second light guide plate 122 and the support 150 is blocked by the support 150, so that the light can be guided out in different areas of the front frame 130 by providing two layers of light guide plates, thereby greatly improving the technological sense of the light emitting structure 100.

In one example of the present utility model, the front frame 130 has a first window 131 and a second window 132;

wherein, the light led out of the first light guide plate 121 is led out of the first window 131, and the light led out of the projection of the second light guide plate 122 on the bracket 150 and the non-overlapping area of the bracket 150 is led out of the second window 132; for example, the first window 131 is located at the lower end of the front window, and the second window 132 is located at the upper end of the front frame 130;

for example, as shown in fig. 6 to 8, the first light source 161 and the second light source 162 are LED lamps, where the first light source 161 is configured with two functions of a position lamp and a turn signal lamp, so as to implement multiplexing of the two functions of the first window 131; the second light source 162 is provided with position lamps for lighting the second window 132, and the luminous shapes of the two windows create conditions for realizing and designing cool dynamic effects, thereby improving the technological sense. Fig. 6 shows that the first window 131 and the second window 132 are both lighted, fig. 7 shows that the turn signal lamp of the first window 131 is lighted, and fig. 8 shows that the turn signal lamp of the first window 131 and the tail lamp of the second window 132 are lighted.

Of course, the present utility model is not limited thereto, and the present application may also be used to design the support 150 and the rear cover 140, which may be implemented by two-color parts, or by adding hot stamping, laser engraving, paint and other processes to the single-color parts, so as to implement various design requirements.

It should be noted that, firstly, the light blocking structure between the two functional multiplexes is designed, and the light blocking structure is designed for the bracket 150, and meanwhile, the ultrasonic welding and the laser welding processes are utilized, so that the effect of installation and fixation is achieved, and the light blocking structure is strengthened.

In one example of the present utility model, further comprising: an inner part 170 disposed in the second window 132 and located at an upper end of the stand 150;

because the height of the first light guide plate 121 is lower than that of the second light guide plate 122, the upper end of the first light guide plate 121 is empty, and the inner assembly 170 is arranged to fill the second window 132.

Preferably, the front frame 130 and the rear cover 140 are welded by laser, and the first light guide plate 121, the inner member 170 and the bracket 150 are respectively welded to the front frame 130 by ultrasonic, wherein the second light guide plate 122 is clamped by the rear cover 140 and the bracket 150. The subassembly is then connected to the circuit board 110 by fasteners, such as screws, for example, from the back cover 140 to the circuit board 110.

A vehicle according to a second aspect of the utility model comprises a light emitting structure 100 as described above;

when the light emitting structure 100 of the vehicle is used, the first light source 161 and the second light source 162 respectively enter the first light guide plate 121 and the second light guide plate 122, the light rays are led out along the respective light guide directions, and the light rays between the first light guide plate 121 and the second light guide plate 122 can be blocked by the bracket 150, so that the first light guide plate 121 and the second light guide plate 122 can be led out from the first window 131 and the second window 132 of the front frame 130 respectively; thus, the conditions for realizing and designing the cool dynamic effect are created for the luminous molding surfaces of the upper window and the lower window of the front frame 130, the technological sense of the vehicle lamp is greatly improved, and the vehicle lamp has the advantages of simple structure and high reliability

Preferred embodiments for carrying out the present utility model will be described in more detail below with reference to the attached drawings so that the features and advantages of the present utility model can be easily understood.

The exemplary embodiments of the light emitting structure 100 and the vehicle having the same 100 according to the present utility model have been described in detail with reference to the preferred embodiments, however, it will be understood by those skilled in the art that various modifications and adaptations may be made to the specific embodiments described above and various combinations of the technical features and structures of the present utility model may be practiced without departing from the scope of the utility model, which is defined in the appended claims.

Claims (10)

1. A light emitting structure, comprising: the circuit board (110), the light guide plate (120), the front frame (130) and the rear cover (140), wherein the light guide plate (120) is arranged at the upper end of a light source on the circuit board (110), the front frame (130) and the rear cover (140) are respectively arranged at two ends of the light guide plate (120), and the circuit board is characterized in that,

the light source comprises at least: a first light source (161) and a second light source (162);

the light guide plate (120) includes at least: a first light guide plate (121) and a second light guide plate (122), wherein the first light guide plate (121) and the second light guide plate (122) are respectively arranged corresponding to the first light source (161) and the second light source (162) and are configured to allow light rays emitted by the first light source (161) and the second light source (162) to enter and guide the light rays outwards along respective light guide directions;

the light emitting structure (100) further comprises: a bracket (150),

the bracket (150) is fixed on the circuit board (110) and is configured to block part of light rays between the first light guide plate (121) and the second light guide plate (122) so that the first light guide plate (121) and the second light guide plate (122) can be led out from different areas of the front frame (130) respectively.

2. The light-emitting structure according to claim 1, wherein,

further comprises: a metal heat sink (180),

the metal heat sink (180) is fixed to the wiring board (110) and is configured to increase the heat dissipation area of the wiring board (110).

3. The light emitting structure of claim 2, wherein,

the metal heat sink (180) is an aluminum sheet.

4. The light emitting structure of claim 2, wherein,

the orthographic projection of the position of the metal radiating fin (180) on the circuit board (110) at least covers the positions of the first light source (161) and the second light source (162).

5. The light emitting structure of claim 2, wherein,

the metal radiating fins (180) are fixedly connected with the circuit board (110) through pins (190).

6. The light-emitting structure according to claim 1, wherein,

the support (150) is configured between the first light guide plate (121) and the second light guide plate (122), the orthographic projection of the first light guide plate (121) and the second light guide plate (122) in the first direction has an overlapping area, and the area of the support (150) is not smaller than the area of the overlapping area.

7. The light-emitting structure according to claim 6, wherein,

the first light guide plate (121) is close to the front frame (130), the second light guide plate (122) is far away from the front frame (130), the height of the second light guide plate (122) in the second direction is larger than that of the first light guide plate (121) in the second direction, the height of the support (150) in the second direction is not smaller than that of the first light guide plate (121) and not larger than that of the second light guide plate (122), and the second direction is perpendicular to the first direction.

8. The light-emitting structure according to claim 1, wherein,

the front frame (130) has a first window (131) and a second window (132);

wherein, the light guided out by the first light guide plate is guided out by the first window (131), and the light guided out by the projection of the second light guide plate (122) on the bracket (150) and the non-overlapping area of the bracket (150) is guided out by the second window (132).

9. The light emitting structure of claim 8, wherein,

further comprises: an inner fitting (170) disposed within the second window (132) and located at an upper end of the bracket (150).

10. A vehicle characterized by comprising a light emitting structure (100) according to any one of claims 1 to 9.

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