Light guide assembly, lighting and / or signal indication device and motor vehicle

Abstract

Disclosed in the present utility model are a light guide assembly, a lighting and / or signal indication device and a motor vehicle. The light guide assembly comprises: a first light guide portion (10), comprising an incident portion (510), the incident portion (510) being configured to receive incident light and guide the incident light to the inside of the first light guide portion (10); and a second light guide portion (20), comprising a main body portion (210) and a light guide connection portion (220), wherein the light guide connection portion (220) is configured to connect the main body portion (210) to the first light guide portion (10) and has an incident end (520), the incident end (520) is located at the connection between the light guide connection portion (220) and the first light guide portion (10) so as to receive light from the first light guide portion (10) and guide the light towards the main body portion (210), the main body portion (210) has an emission portion (530), the emission portion (530) is configured to emit light from the main body portion (210) outward, and at least part of the light guide connection portion (220) extends outward from the main body portion (210) in the longitudinal direction (E) of the emission portion (530).

Description

Light guide components, lighting and / or signaling devices, and motor vehicles Technical Field

[0001] This utility model relates to a light guide component, a lighting and / or signal indication device, and a motor vehicle. Background Technology

[0002] A light guide component is a light-guiding device that primarily uses total internal reflection to transmit light within its interior. Light guide components are widely used in fields such as lighting and light transmission. Typically, light enters from one end and is guided through total internal reflection by its outer wall to the other end of the light guide component or any desired exit point.

[0003] In some existing light guide component arrangements, due to limitations in the local structure, the required optical distribution uniformity may not be met, thus failing to achieve the desired lighting effect.

[0004] Utility Model Content

[0005] The purpose of this invention is to provide a light guide component, a lighting and / or signal indication device, and a motor vehicle.

[0006] On one hand, a light guide assembly is provided, comprising: a first light guide portion, the first light guide portion including an incident portion configured to receive incident light and guide the incident light into the interior of the first light guide portion; a second light guide portion, the second light guide portion including a main body portion and a light guide connecting portion, the light guide connecting portion being configured to connect the main body portion to the first light guide portion and having an incident end located at the connection between the light guide connecting portion and the first light guide portion, for receiving light from the first light guide portion and guiding the light toward the main body portion, and the main body portion having an exiting portion configured to emit light from the main body portion outward; wherein at least a portion of the light guide connecting portion extends outward from the main body portion along the longitudinal direction of the exiting portion.

[0007] In one embodiment, the light guide connection portion includes a first extension portion configured to connect to the main body portion and extend along the longitudinal direction, such that the extension surface of the first extension portion facing the first light guide portion smoothly contacts the main body surface of the main body portion facing the first light guide portion, thereby forming the integral surface of the second light guide portion facing the first light guide portion.

[0008] In one embodiment, the overall contour of the integral surface extends parallel to the first light guide portion and forms a gap between the integral surface and the first light guide portion; and the light guide connection portion further includes a second extension portion configured to connect the first extension portion to the first light guide portion, and the incident end is disposed at the end of the second extension portion connected to the first light guide portion.

[0009] In one embodiment, the second extension portion is configured to extend from the first extension portion toward the first light guide portion in a direction perpendicular to the emission portion, such that the light guide connection portion is formed in an L-shape.

[0010] In one embodiment, the ejector portion is formed on the surface of the main body portion that is opposite to the overall surface.

[0011] In one embodiment, the light guide connection portion is formed at the corner of the second light guide portion facing the incident portion of the first light guide portion.

[0012] In one embodiment, the second light guide portion further includes an additional connection portion located at the end of the second light guide portion opposite to the light guide connection portion, and configured to extend from the body portion toward the first light guide portion to connect the body portion to the first light guide portion.

[0013] In one embodiment, the first light guide portion and the second light guide portion are an integral piece.

[0014] On the other hand, a lighting and / or signal indicating device is provided, which includes a light guide device according to an embodiment of the present invention, and a light-emitting element configured to emit incident light toward the light guide assembly.

[0015] In another aspect, a motor vehicle is provided, which includes a light guide device according to an embodiment of the present invention or a lighting and / or signal indication device according to an embodiment of the present invention. Attached Figure Description

[0016] Figure 1 shows a schematic diagram of an optical guide assembly according to an embodiment of the present invention.

[0017] Figure 2 shows a diagram of the light guide assembly according to Figure 1 from another angle. Detailed Implementation

[0018] The technical solution of this utility model will be further described in detail below through embodiments and in conjunction with the accompanying drawings. In this specification, the same or similar reference numerals denote the same or similar components. The following description of the embodiments of this utility model with reference to the accompanying drawings is intended to explain the overall inventive concept of this utility model and should not be construed as a limitation thereof.

[0019] Furthermore, in the following detailed description, numerous specific details are set forth for ease of explanation to provide a thorough understanding of the embodiments disclosed herein. However, it will be apparent that one or more embodiments may be practiced without these specific details.

[0020] Figure 1 shows a schematic diagram of a light guide assembly 100 according to an embodiment of the present invention. Figure 2 shows a schematic diagram of the light guide assembly 100 according to Figure 1 from another angle.

[0021] As shown in Figures 1-2, the light guide assembly 100 includes a first light guide portion 10 and a second light guide portion 20. The first light guide portion 10 includes an incident portion 510. The incident portion 510 is configured to receive incident light, such as incident light from the light-emitting element 200, and guide the received incident light into the interior of the first light guide portion 10. As an example, the first light guide portion 10 can be formed as a tubular structure, and the incident portion 510 can be located at the end of the tubular structure, such that a light beam entering from the incident portion 510 can travel in the tubular structure in a total internal reflection manner, thereby guiding the incident light from the incident portion 510 into the interior of the first light guide portion 10. As shown in Figure 2, the light-emitting element 200 can be positioned to face the incident portion 510 to illuminate the incident portion 510 with a light beam.

[0022] The second light guide portion 20 includes a main body portion 210 and a light guide connection portion 220. The light guide connection portion 220 is configured to connect the main body portion 210 to the first light guide portion 10. As an example, one end of the light guide connection portion 220 can be connected to the main body portion 210, and the other end can be connected to the first light guide portion 10, thereby connecting the main body portion 210 to the first light guide portion 10.

[0023] Furthermore, the light guide connection portion 220 has an incident end 520. This incident end 520 is located at the connection between the light guide connection portion 220 and the first light guide portion 10 to receive a light beam from the first light guide portion 10. As an example, as shown in Figures 1-2, the incident end 520 can be located at the end of the light guide connection portion 220 connected to the first light guide portion 10 and is formed to be connected to the first light guide portion 10. As indicated by the optical path P in Figure 2, the light beam inside the first light guide portion 10 is guided into the second light guide portion 20 at the incident end 520. To achieve this, for example, a light guiding element can be provided at a corresponding position in the first light guide portion 10 to guide the light beam traveling inside the first light guide portion 10 into the light guide connection portion 220 of the second light guide portion 20. As another example, the first light guide portion 10 can be formed into a predetermined shape such that the light beam can be guided into the light guide connection portion 220 by the limitation of the shape. However, embodiments of the present invention are not limited to this.

[0024] The light guide connection portion 220 can guide the received light toward the main body portion 210. The main body portion 210 has an exit portion 530. This exit portion 530 is configured to emit the light beam from the main body portion 210 outward. As shown by the optical path P in FIG2, the light beam entering the light guide connection portion 220 can travel inside the light guide connection portion 220 in a total internal reflection manner, thereby entering the interior of the main body portion 210, and finally being emitted outward from the exit portion 530 of the main body portion 210. Thus, a lighting effect can be achieved.

[0025] According to an embodiment of the present invention, at least a portion of the light guide connection portion 220 extends outward from the main body portion 210 along the longitudinal direction E of the emitting portion 530. As shown in Figures 1-2, the light guide connection portion 220 is not configured to extend directly from the main body portion 210 toward the first light guide portion 10, but instead first extends outward from the main body portion 210 along the longitudinal direction E that does not extend toward the first light guide portion 10, and then extends toward the first light guide portion 10 after extending a certain distance, thereby connecting to the first light guide portion 10.

[0026] In this way, by changing the extension direction of the light guide connection portion 220 relative to the main body portion 210, the connection position between the light guide connection portion 220 and the main body portion 210 is changed. For example, when the light guide connection portion is set to extend directly from the main body portion 210 toward the first light guide portion 10, the connection position between the two is usually at the surface of the main body portion 210 facing the first light guide portion 10 (i.e., the main body surface 2105 described below). However, in the embodiment of this utility model, as shown in FIG1-2, the connection position between the two is located at the side surface of the main body portion 210. Thus, this can change the orientation of the light beam entering the main body portion 210 from the light guide connection portion 220, and in conjunction with the emitting portion 530 extending along the longitudinal direction E, the light beam can be more uniformly distributed at the emitting portion 530, so as to provide better optical distribution uniformity and illumination effect.

[0027] Furthermore, by changing the extension direction of the light guide connection portion 220 relative to the main body portion 210, the shape of the light guide connection portion 220 is changed, thereby giving the light guide connection portion 220 a longer light mixing region. For example, compared to setting the light guide connection portion to extend directly from the main body portion 210 toward the first light guide portion 10, the light guide connection portion 220 according to the embodiment of the present invention requires the light beam to also oscillate and propagate in the portion extending along the longitudinal direction E (i.e., the first extension portion 221 described below), which increases the light mixing length of the light beam, thereby increasing the uniformity of the light beam distribution at the emission portion 530, enabling better optical distribution uniformity and illumination effect.

[0028] In one embodiment, as shown in Figures 1-2, the light guide connection portion 220 includes a first extension portion 221. This first extension portion 221 is configured to connect to the main body portion 210 and extend along the longitudinal direction E, such that the extension surface 2215 of the first extension portion 221 facing the first light guide portion 10 smoothly contacts the main body surface 2105 of the main body portion 210 facing the first light guide portion 10, forming the integral surface 205 of the second light guide portion 20 facing the first light guide portion 10. As an example, the extension surface 2215 and the main body surface 2105 can be continuous surfaces, such that the integral surface 205 can be a complete, one-piece surface of the second light guide portion 20. In this way, the design and manufacture of the second light guide portion 20 can be simplified and cost-effective. Furthermore, since the emission portion 530 is positioned relative to the integral surface 205, it can be ensured that the light beam guided from the light guide connection portion 220 to the main body portion 210 is more evenly distributed at the emission portion 530, providing a good lighting effect.

[0029] In one embodiment, the overall profile of the integral surface 205 extends parallel to the first light guide portion 10, forming a gap between the integral surface 205 and the first light guide portion 10. Herein, "overall profile" can be understood as the overall extended profile of the surface. That is, this overall profile can be considered as the smooth outer profile of the surface and can represent the overall extension direction of the surface. In some cases, the integral surface 205 may not itself be a smooth surface. For example, the integral surface 205 may be provided with a prism structure or other types of optical decoupling structure. Therefore, "overall profile of the integral surface 205" is used to represent the imaginary smooth surface of the surface to illustrate the overall extension direction of the surface. As shown in FIG1, the overall profile of the integral surface 205 is parallel to the first light guide portion 10, and a gap is formed between them. In this way, by arranging them in parallel, it can be ensured that the light beam is uniformly distributed at the exit portion 530, thereby obtaining good optical distribution uniformity.

[0030] Furthermore, the light guide connection portion 220 also includes a second extension portion 222. This second extension portion 222 is configured to connect the first extension portion 221 to the first light guide portion 10. As shown in Figures 1-2, the second extension portion 222 can extend from the first extension portion 221 toward the first light guide portion 10, thereby connecting the first extension portion 221 to the first light guide portion 10, and further connecting the main body portion 210 to the first light guide portion 10. The incident end 520 of the light guide connection portion 220 can be disposed at the end of the second extension portion 222 that connects to the first light guide portion 10.

[0031] In this way, by creating a gap between the main body portion 210 and the first light guide portion 10, and connecting the two using the light guide connection portion 220, a light beam can be introduced from a predetermined position of the second light guide portion 20. For example, as shown in Figures 1-2, a light beam can be introduced from the corner of the second light guide portion 20. This ensures that the light beam is evenly distributed across the entire light-emitting surface of the emission portion 530 to achieve the desired lighting effect.

[0032] In one embodiment, the second extension portion 222 is configured to extend from the first extension portion 221 toward the first light guide portion 10 in a direction perpendicular to the emission portion 530, such that the light guide connection portion 220 is L-shaped. As shown in Figures 1-2, both the emission portion 530 and the first extension portion 221 extend in the longitudinal direction E, while the second extension portion 222 can be formed to extend in a direction perpendicular to the longitudinal direction E, such that the second extension portion 222 is perpendicular to the first extension portion 221. As an example, the extension length of the first extension portion 221 can be longer than the extension length of the second extension portion 222, so that the light guide connection portion 220 has an L-shape. In this way, it is convenient to manufacture the light guide connection portion 220 and it is beneficial to a stable connection between the first light guide portion 10 and the second light guide portion 20, thereby improving the structural stability of the light guide assembly 100.

[0033] In one embodiment, the emitting portion 530 is formed on the surface of the main body portion 210 that is opposite to the integral surface 205. As shown in Figures 1-2, the emitting portion 530 and the integral surface 205 can be formed on opposite sides of the main body portion 210 in a direction perpendicular to the longitudinal direction E. As an example, the main body portion 210 can be cuboid in shape, and the length direction of this cuboid shape is the longitudinal direction E, which allows the light-emitting surface of the emitting portion 530 to have a rectangular shape. However, the embodiments of the present invention are not limited to this, and other suitable shapes can be provided for the light-emitting surface of the emitting portion 530 according to the desired lighting effect.

[0034] In one embodiment, the light guide connection portion 220 may be formed at the corner of the second light guide portion 20 facing the incident portion 510 of the first light guide portion 10. The second light guide portion 20 also includes an additional connection portion 230. The additional connection portion 230 may be located at the end of the second light guide portion 20 opposite to the light guide connection portion 220 and is configured to extend from the main body portion 210 toward the first light guide portion 10 to connect the main body portion 210 to the first light guide portion 10. As an example, as shown in FIG1-2, the additional connection portion 230 may be located at the corner of the second light guide portion 20 opposite to the light guide connection portion 220 in the longitudinal direction E, such that the light guide connection portion 220 and the additional connection portion 230 may be located at the two corners of the second light guide portion 20 near the first light guide portion 10, respectively, to connect the second light guide portion 20 to the first light guide portion 10. In this way, a stable connection between the second light guide portion 20 and the first light guide portion 10 can be ensured, thereby improving the structural stability of the light guide assembly 100.

[0035] Furthermore, since the additional connecting portion 230 is not used to guide a light beam from the first light guide portion 10 to the main body portion 210, or may only guide a small amount of light beam from the first light guide portion 10 to the main body portion 210, the additional connecting portion 230 can be designed to extend directly from the main body portion 210 toward the first light guide portion 10 without having a shape similar to the light guide connecting portion 220. This simplifies the design and manufacture of the additional connecting portion 230 and saves costs.

[0036] In one embodiment, the first light guide portion 10 and the second light guide portion 20 can be a single integral piece. As an example, the first light guide portion 10 and the second light guide portion 20, which are connected to each other, can be formed in one step, for example, using an injection molding process. However, embodiments of the present invention are not limited thereto, and the first light guide portion 10 and the second light guide portion 20 can also be separate components.

[0037] The present invention also provides a lighting and / or signal indicating device, which may include a light guide assembly 100 and a light-emitting element 200 according to an embodiment of the present invention.

[0038] The present invention also provides a motor vehicle that may include a light guide assembly 100 according to an embodiment of the present invention or a lighting and / or signal indication device according to an embodiment of the present invention.

[0039] As an example, the main body 210 of the second light guide portion 20 may have a flat cuboid shape.

[0040] As an example, the light-emitting element 200 can be a light-emitting diode (LED).

[0041] As an example, the light guide assembly 100 may be made of transparent glass, resin or plastic material, such as polymethyl methacrylate (PMMA) or polycarbonate (PC).

[0042] As an example, the light guide assembly 100 can be supported by any known suitable means for holding optical elements, such as a support or the like.

[0043] As an example, the light guide component 100 according to an embodiment of the present invention can be used in any lighting and / or signaling device. This lighting and / or signaling device may include any type of motor vehicle lighting and / or signal lights, such as headlights, center high-mounted brake lights, turn signals, position lights, taillights, etc. The light guide component 100 according to an embodiment of the present invention can also be used in areas other than vehicle lighting, such as streetlights, advertising lights, etc.

[0044] Although the present invention has been described in conjunction with the accompanying drawings, the embodiments disclosed in the drawings are intended to illustrate preferred embodiments of the present invention and should not be construed as a limitation thereof.

[0045] While some embodiments of the present invention have been shown and described, those skilled in the art will understand that changes may be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A light guide component (100), characterized in that, include: A first light guide portion (10) includes an incident portion (510) configured to receive incident light and guide the incident light into the interior of the first light guide portion (10). The second light guide portion (20) includes a main body portion (210) and a light guide connection portion (220). The light guide connection portion (220) is configured to connect the main body portion (210) to the first light guide portion (10) and has an incident end (520). The incident end (520) is located at the connection between the light guide connection portion (220) and the first light guide portion (10) to receive light from the first light guide portion (10) and guide the light toward the main body portion (210). The main body portion (210) has an exit portion (530) configured to emit light from the main body portion (210) outward. At least a portion of the light guide connection portion (220) extends outward from the main body portion (210) along the longitudinal direction (E) of the emission portion (530).

2. The optical guide component (100) according to claim 1, characterized in that, The light guide connection portion (220) includes a first extension portion (221), which is configured to connect to the main body portion (210) and extend along the longitudinal direction (E), such that the extension surface (2215) of the first extension portion (221) facing the first light guide portion (10) is smoothly connected to the main body surface (2105) of the main body portion (210) facing the first light guide portion (10) to form the integral surface (205) of the second light guide portion (20) facing the first light guide portion (10).

3. The optical guide component (100) according to claim 2, characterized in that, The overall contour of the integral surface (205) extends parallel to the first light guide portion (10) and forms a gap between the integral surface (205) and the first light guide portion (10); and The light guide connection portion (220) further includes a second extension portion (222), which is configured to connect the first extension portion (221) to the first light guide portion (10), and the incident end (520) is disposed at the end of the second extension portion (222) that is connected to the first light guide portion (10).

4. The optical guide component (100) according to claim 3, characterized in that, The second extension portion (222) is configured to extend from the first extension portion (221) toward the first light guide portion (10) in a direction perpendicular to the emission portion (530), such that the light guide connection portion (220) is formed in an L-shape.

5. The optical guide component (100) according to claim 3, characterized in that, The ejection portion (530) is formed on the surface of the main body portion (210) opposite to the overall surface (205).

6. The optical guide component (100) according to claim 1, characterized in that, The light guide connection portion (220) is formed at the corner of the second light guide portion (20) facing the incident portion (510) of the first light guide portion (10).

7. The optical guide component (100) according to claim 6, characterized in that, The second light guide portion (20) further includes an additional connection portion (230) located at the end of the second light guide portion (20) opposite to the light guide connection portion (220) and configured to extend from the main body portion (210) toward the first light guide portion (10) to connect the main body portion (210) to the first light guide portion (10).

8. The optical guide component (100) according to claim 1, characterized in that, The first light guide portion (10) and the second light guide portion (20) are an integral piece.

9. A lighting and / or signal indicating device, characterized in that, The lighting and / or signal indicating device includes: The optical guide assembly (100) according to any one of claims 1 to 8; and A light-emitting element (200) is configured to emit incident light toward the light guide assembly (100).

10. A motor vehicle, characterized in that, Includes the light guide assembly (100) according to any one of claims 1 to 8 or the lighting and / or signal indicating device according to claim 9.

Images