Light-emitting structure and vehicle lamp

Abstract

A light-emitting structure and automotive lamp are disclosed, relating to the field of automotive lighting. The light-emitting structure includes a lamp body, an outer cover connected to the lamp body, a PCB substrate fixed between the lamp body and the outer cover, and a reflector fixed between the PCB substrate and the outer cover. The outer cover has at least one shaped area, which includes an opaque area and a light-transmitting area located at the edge of the opaque area. The PCB substrate has a plurality of LEDs corresponding to the light-transmitting areas. The reflector has light-transmitting holes for light emitted by each LED to pass through. The reflector protrudes on one side facing the outer cover to form a plurality of reflective walls. Each LED has at least two opposite sides, each with a reflective wall, which reflects the light emitted by the LED to pass through the corresponding light-transmitting area. The light-emitting structure and automotive lamp provided by this application can effectively improve light utilization, thereby increasing brightness, and reduce brightness reduction and uniformity degradation caused by installation deviations.

Description

Technical Field

[0001] This application relates to the field of automotive lighting, and more specifically, to a light-emitting structure and an automotive lamp. Background Technology

[0002] Car logo lights are used to illuminate the car brand logo. Logo lights can combine lighting elements with light to create a unique look and shape. Currently, a common type of logo light features a non-illuminated front for the logo letters, while the edges of the letters are illuminated to highlight them. The light-emitting structure of this type of logo light typically involves directly shining an LED light onto a lampshade displaying the logo letters, or using a light guide plate to direct the light emitted by the LEDs into a diffuser, which then emits light. The disadvantages of this light-emitting structure are low brightness, high sensitivity to installation location, and a tendency for uneven illumination around the edges of the logo letters after lighting. Utility Model Content

[0003] The purpose of this application is to provide a light-emitting structure and vehicle lamp that can effectively improve light utilization and thus increase brightness, while reducing brightness reduction and uniformity degradation caused by installation deviation.

[0004] This application is implemented as follows:

[0005] This application provides a light-emitting structure, which includes:

[0006] Lamp body;

[0007] The outer cover is connected to the lamp body and has at least one shaped area, the shaped area including an opaque area and a light-transmitting area located at the edge of the opaque area;

[0008] The PCB substrate is fixed between the lamp body and the outer cover. The PCB substrate has multiple LEDs corresponding to the light-transmitting areas.

[0009] A reflector is fixed between the PCB substrate and the outer cover. The reflector has light-transmitting holes for each LED to emit light through. The side of the reflector facing the outer cover protrudes to form multiple reflective walls. Each LED has at least two opposite sides with a reflective wall. The reflective walls are used to reflect the light emitted by the LED to pass through the corresponding light-transmitting area.

[0010] In some alternative implementations, the reflective walls on the sides of each of the LED lights corresponding to each of the shaped areas are connected to form a whole.

[0011] In some alternative implementations, the outer cover has an opening corresponding to the shaped area, and the shaped area is fixedly disposed within the opening.

[0012] In some alternative implementations, the edge of the opening protrudes away from the lamp body to form a support wall, and the shaped area is connected to the support wall.

[0013] In some alternative implementations, the light-transmitting area includes a bottom light-transmitting area located at the bottom of the opaque area and a side light-transmitting area extending to the side of the opaque area.

[0014] In some alternative implementations, the opening and the inner wall of the support wall are provided with a reflective layer for reflecting light.

[0015] In some alternative implementations, the light-transmitting holes of each light-transmitting area corresponding to each LED light are interconnected.

[0016] In some alternative implementations, the lamp body is provided with multiple connectors that connect the PCB substrate and the reflector.

[0017] In some alternative implementations, the reflective wall is made of white plastic, and / or the surface of the reflective wall is coated with an aluminum layer.

[0018] This application also provides a vehicle lamp that includes the above-described light-emitting structure.

[0019] The beneficial effects of this application are as follows: The light-emitting structure provided by this application includes a lamp body, an outer cover connected to the lamp body, a PCB substrate fixed between the lamp body and the outer cover, and a reflector fixed between the PCB substrate and the outer cover; the outer cover has at least one shaped area, which includes an opaque area and a light-transmitting area located at the edge of the opaque area; the PCB substrate has multiple LEDs corresponding to the light-transmitting areas; the reflector has light-transmitting holes for each LED to emit light through, and the reflector protrudes on one side facing the outer cover to form multiple reflective walls, with at least two opposite sides of each LED having a reflective wall, which is used to reflect the light emitted by the LED to pass through the corresponding light-transmitting area. The light-emitting structure and vehicle lamp provided by this application, by setting reflective walls to reflect the light emitted by the LED to the light-transmitting area passing through the shaped area on the outer cover, can effectively improve the light utilization rate, thereby increasing the brightness, and reducing the brightness reduction and uniformity degradation caused by installation deviation. Attached Figure Description

[0020] To more clearly illustrate the technical solutions of the embodiments of this application, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this application and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a partial structural diagram of the light-emitting structure provided in an embodiment of this application;

[0022] Figure 2 For along Figure 1 A partial sectional view of the structure along section AA in the middle section;

[0023] Figure 3 This is a schematic diagram of the first light-emitting path of the LED lamp emitting light in the light-emitting structure provided in the embodiments of this application;

[0024] Figure 4 This is a schematic diagram of a second light-emitting path for an LED lamp with a light-emitting structure provided in an embodiment of this application.

[0025] In the diagram: 100, lamp body; 110, outer cover; 111, opening; 112, support wall; 120, shaping area; 121, opaque area; 122, light-transmitting area; 123, bottom light-transmitting area; 124, side light-transmitting area; 130, PCB substrate; 131, LED lamp; 140, reflector; 141, light-transmitting hole; 142, reflector wall; 150, connector. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. The components of the embodiments of this application described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0027] Therefore, the following detailed description of the embodiments of this application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely to illustrate selected embodiments of the application. All other embodiments obtained by those skilled in the art based on the embodiments of this application without inventive effort are within the scope of protection of this application.

[0028] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0029] In the description of this application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this application is in use. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this application. In addition, the terms "first," "second," and "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0030] Furthermore, terms such as "horizontal," "vertical," and "sag" do not imply that components must be absolutely horizontal or suspended, but rather that they can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal relative to "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0031] In the description of this application, it should also be noted that, unless otherwise expressly specified and limited, the terms "set up," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0032] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0033] The following detailed description of the light-emitting structure and features and performance of the vehicle lamp of this application is provided in conjunction with embodiments.

[0034] like Figure 1 and Figure 2As shown, this application provides a light-emitting structure, which includes a lamp body 100 and an outer cover 110 detachably connected to the lamp body 100 by bolts. The lamp body 100 and the outer cover 110 form a receiving cavity. A PCB substrate 130 and a reflector 140 are fixedly disposed in the receiving cavity. The PCB substrate 130 is fixed between the lamp body 100 and the outer cover 110, and the reflector 140 is fixed between the PCB substrate 130 and the outer cover 110. The lamp body 100 is provided with spaced-apart connectors 150. Each connector 150 passes through and connects the PCB substrate 130 and the reflector 140. In this embodiment, the connector 150 is a hot-riveted post.

[0035] The outer cover 110 is provided with shaped areas 120 arranged at intervals along its length. Figure 1 Only two shaped areas 120, respectively represented by the letters A and U, are shown. Each shaped area 120 includes an opaque area 121 and a light-transmitting area 122 located at the edge of the opaque area 121. The outer cover 110 has an opening 111 corresponding to the shaped area 120. The edge of the opening 111 protrudes away from the lamp body 100 to form a support wall 112. The shaped area 120 is connected to the top of the support wall 112. The light-transmitting area 122 includes a bottom light-transmitting area 123 located at the bottom of the opaque area 121 and a side light-transmitting area 124 extending to the side of the opaque area 121. The side light-transmitting area 124 is connected to the support wall 112.

[0036] The PCB substrate 130 is provided with LED lights 131 arranged at intervals, and a set of corresponding LED lights 131 is provided below each shaped area 120; the reflector 140 is provided with A-shaped and U-shaped light-transmitting holes 141 corresponding to each shaped area 120, and each light-transmitting hole 141 is used to allow the light emitted by each LED light 131 in the corresponding shaped area 120 to pass through and enter the corresponding light-transmitting area 122; the reflector 140 protrudes on the side facing the outer cover 110 to form a pair of reflective walls 142 corresponding to each set of LED lights 131, and each pair of reflective walls 142 is provided on both sides of a set of corresponding LED lights 131. Each pair of reflective walls 142 is used to reflect the light emitted by the corresponding set of LED lights 131 to pass through the corresponding light-transmitting area 122. In this embodiment, the reflective walls 142 are made of white polystyrene plastic.

[0037] When the light-emitting structure provided in this embodiment is working, the light emitted by each LED 131 after being lit passes through the light-transmitting area 122 of each shaped area 120 on the outer cover 110 through two light-emitting paths and is received by the human eye, so that each shaped area 120 on the outer cover 110 presents a specific shape in the human eye, such as... Figure 3As shown, one light-emitting path is that the light emitted by the LED lamp 131 passes through the light-transmitting hole 141 and the opening 111, then through the side light-transmitting area 124 of the light-transmitting area 122, and finally exits from the edge of the opaque area 121 to be received by the human eye. Figure 4 As shown, another light-emitting path is that the light emitted by the LED lamp 131 passes through the light-transmitting hole 141, is reflected by the reflective walls 142 on both sides, passes through the opening 111, passes through the side light-transmitting area 124 of the light-transmitting area 122, and is emitted from the edge of the opaque area 121 and received by the human eye. Thus, the light emitted by the LED lamp 131 is reflected by the reflective walls 142 on both sides of the LED lamp 131 and emitted from the edge of the opaque area 121, which effectively improves the light utilization rate and increases the brightness, while reducing the decrease in brightness and the deterioration of uniformity caused by installation deviation.

[0038] In addition, the outer cover 110 is provided with an opening 111 corresponding to the shaping area 120. The edge of the opening 111 protrudes away from the lamp body 100 to form a support wall 112. The shaping area 120 is connected to the top of the support wall 112, which allows light to pass through the opening 111 and then be emitted from the side of the opaque area 121 to form a three-dimensional protruding shaping effect. The light-transmitting area 122 includes a bottom light-transmitting area 123 located at the bottom of the opaque area 121 and a side light-transmitting area 124 extending to the side of the opaque area 121. The side light-transmitting area 124 is connected to the support wall 112, which can increase the light emission range and increase the brightness of the light emitted through the bottom light-transmitting area 123 and the side light-transmitting area 124 by the bottom light-transmitting area 123 located at the bottom of the opaque area 121. The lamp body 100 is provided with connectors 150 that are spaced apart and pass through and connect the PCB substrate 130 and the reflector 140, which can ensure that the PCB substrate 130 and the reflector 140 are stably connected with the lamp body 100 and the outer cover 110 to form a whole and achieve stable light delivery.

[0039] In other alternative embodiments, a reflective layer for reflecting light can be provided on the opening 111 and the inner wall of the support wall 112, thereby further improving the light reflection utilization rate and increasing the brightness of the light emitted through the bottom light-transmitting area 123 and the side light-transmitting area 124. The reflective layer can be an aluminum-plated layer.

[0040] In other alternative embodiments, the support wall 112 may be omitted, and the shaping area 120 may be directly fixed in the corresponding opening 111 to improve the connection stability and tightness between the shaping area 120 and the outer cover 110.

[0041] In other alternative embodiments, the surface of the reflector 142 may also be coated with an aluminum layer, thereby further improving the intensity loss of light reflected by the reflector 142 while saving costs.

[0042] In other alternative embodiments, the cross-section of the reflector 142 may also be circular, elliptical, triangular, rectangular, or other irregular annular and may be respectively fitted around the outside of one or more LED lights 131.

[0043] In other alternative embodiments, each LED lamp 131 may have a reflective wall 142 on at least two opposite sides. This can be done by having a reflective wall 142 on two opposite sides of each LED lamp 131, or on three sides of each LED lamp 131, or on all four sides of each LED lamp 131.

[0044] This application also provides a vehicle lamp that includes the above-described light-emitting structure.

[0045] The embodiments described above are some, but not all, of the embodiments of this application. The detailed description of the embodiments of this application is not intended to limit the scope of the claimed application, but merely to illustrate selected embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this application without inventive effort are within the scope of protection of this application.

Claims

1. A light emitting structure, characterized by It includes: Lamp body; The outer cover is connected to the lamp body and has at least one shaped area, the shaped area including an opaque area and a light-transmitting area located at the edge of the opaque area; A PCB substrate is fixed between the lamp body and the outer cover, and the PCB substrate is provided with a plurality of LEDs corresponding to the light-transmitting areas; A reflector is fixed between the PCB substrate and the outer cover. The reflector has a light-transmitting hole for each of the LED lights to pass through. The reflector has a protrusion on one side facing the outer cover to form a plurality of reflective walls. Each of the LED lights has a reflective wall on at least two opposite sides. The reflective walls are used to reflect the light emitted by the LED lights to pass through the corresponding light-transmitting area.

2. The light emitting structure of claim 1, wherein, The reflective walls on the sides of each LED light corresponding to each of the aforementioned shaped areas are connected to form a whole.

3. The light emitting structure of claim 1, wherein, The outer cover has an opening corresponding to the shaped area, and the shaped area is fixedly disposed within the opening.

4. The light emitting structure of claim 3, wherein, The edge of the opening protrudes away from the lamp body to form a support wall, and the shaped area is connected to the support wall.

5. The light emitting structure of claim 4, wherein, The light-transmitting area includes a bottom light-transmitting area located at the bottom of the opaque area and a side light-transmitting area extending to the side of the opaque area.

6. The light emitting structure of claim 4, wherein, The opening and the inner wall of the supporting wall are provided with a reflective layer for reflecting light.

7. The light emitting structure of claim 1, wherein Each of the light-transmitting areas is interconnected with the light-transmitting holes of each of the LED lights.

8. The light emitting structure of claim 1, wherein, The lamp body is provided with multiple connectors that connect the PCB substrate and the reflector.

9. The light emitting structure of claim 1, wherein, The reflective wall is made of white plastic, and / or the surface of the reflective wall is coated with an aluminum layer.

10. A vehicle lamp characterized by It includes the light-emitting structure as described in any one of claims 1 to 9.

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