TW202040056A - Reflective illumination system including at least one illumination module, a reflection apparatus and a light defection apparatus - Google Patents

Abstract

This invention relates to a reflected illumination system including at least one illumination module, one end of which is provided with a light emit portion, wherein the light emit portion generates a first light beam; a reflection apparatus, which is disposed on a path of the first light beam, wherein one reflection surface of the reflection apparatus reflects a second light beam after receiving the first light beam; and a light defection apparatus, which is disposed on a path of the second light beam, wherein the light deflection apparatus reflects a third light beam along an optical axis after receiving the second light beam; wherein the illumination module and the reflection apparatus are respectively disposed on different sides of a horizontal plane of the optical axis, a first divergence angle formed by the first light beam is 35 degrees to 55 degrees, or a distance between the illumination module and the reflection apparatus is set to 15mm to 40mm. By means of the above structure, a reasonable space configuration is realized, and the reflective illumination system is miniaturized.

Description

Reflective lighting system

The invention relates to an illumination system, in particular to an illumination system that uses a light deflecting device for reflection.

In the current field of car lighting, digital mirror lighting technology has attracted attention because of its unique effects. Digital mirror lighting technology can project high-resolution lights onto the road to achieve many new functions, such as car width display. That is to tell the driver the width of the vehicle ahead.

However, in the process of assembly of current car lights using digital micro-reflective chip DMD, the space structure design of the car lights is generally large because it still needs to be combined with other related components and can not be effectively reduced to achieve a miniaturized design. That is to say, the DMD is assembled in the projection device, considering how to save the assembly space as much as possible and miniaturize the lighting system in the narrow space of the car lamp, which is the research direction of the present invention.

An object of the present invention is to provide a reflective lighting system, which can be equipped with a DMD projection module in the process of assembling a car lamp, and the lighting module and the reflective device are respectively arranged on different sides of a horizontal plane of the optical axis, The first light beam forms a first divergence angle; or the distance between the lighting module and the reflecting device is set to improve the utilization rate of the assembly space, thereby miniaturizing the lighting system.

In order to achieve the above-mentioned object, the present invention discloses a reflective lighting system, which includes at least one lighting module, one end of which is provided with a light emitting portion, the light emitting portion generates a first light beam; a reflection device, which is arranged on the first light beam After receiving the first light beam, a reflective surface of the reflecting device reflects a second light beam; and a light deflecting device arranged on the path of the second light beam, the light deflecting device receiving the second light beam After the light beam, a third light beam is reflected along an optical axis; wherein the illumination module and the reflecting device are respectively arranged on different sides of a horizontal plane of the optical axis, and a first divergence angle formed by the first light beam is 35 to 55 degrees, in order to improve the utilization of the assembly space, and then miniaturize the lighting system.

In an embodiment of the present invention, it also discloses that it further includes a projection module, the projection module is arranged on the optical axis, one end of the projection module is provided with an incident surface, the other end is provided with an exit surface, the incident surface After receiving the third light beam, a fourth light beam is projected from the exit surface.

In an embodiment of the present invention, it is also disclosed that the third light beam forms a second divergence angle of 35 to 55 degrees.

In an embodiment of the present invention, it is also disclosed that the angle between the first light beam and the reflecting device is 66 to 73 degrees.

In order to achieve the above-mentioned object, the present invention discloses a reflective lighting system, which includes at least one lighting module, one end of which is provided with a light emitting portion, the light emitting portion generates a first light beam; a reflection device, which is arranged on the first light beam After receiving the first light beam, a reflective surface of the reflecting device reflects a second light beam; a light deflecting device is arranged on the path of the second light beam, and the light deflecting device receives the second light beam Afterwards, a third beam is reflected along an optical axis; a projection module is arranged on the optical axis, one end of the projection module is provided with an incident surface, and the other end is provided with an exit surface, and the incident surface receives the first After the three beams, a fourth beam is projected from the exit surface; wherein, the illumination module and the reflection device are respectively arranged on different sides of a horizontal plane of an optical axis, and the distance between the illumination module and the reflection device is a first One distance, the first distance is 15-40mm, so as to improve the utilization rate of the assembly space, and further miniaturize the lighting system.

In an embodiment of the present invention, it is also disclosed that the distance between the light deflection device and the projection module is a second distance, the diameter of the projection module is a third distance, and the distance between the second distance and the third distance The ratio is 0.6 to 1.5.

In an embodiment of the present invention, it is also disclosed that the second distance is 30 to 45 mm, and the third distance is 35 to 50 mm.

In an embodiment of the present invention, it is also disclosed that the third light beam forms a second divergence angle of 35 to 55 degrees.

In an embodiment of the present invention, it is also disclosed that the angle between the first light beam and the reflecting device is 66 to 73 degrees.

In an embodiment of the present invention, it is also disclosed that the first light beam emitted from the center of the lighting module forms an included angle with a vertical line of the optical axis, and the included angle is 10 degrees.

In order to enable your reviewer to have a further understanding and understanding of the features of the present invention and the effects achieved, the examples and detailed descriptions are provided here. The description is as follows:

In order to solve the problem that the conventional vehicle lamp space design is generally large, and the lighting system cannot be miniaturized when a digital micromirror device (DMD) is assembled, the present invention provides a reflective lighting system to improve the traditional problem to be improved , The specific structure is as follows:

Please refer to Fig. 1, which is a schematic diagram of the three-dimensional structure of an embodiment of the reflective lighting system of the present invention. The reflective lighting system includes at least one lighting module 10, one end of which is provided with a light emitting portion 12; a reflection device 20, one side of which is provided with a reflective surface 22; and a light deflecting device 30, which is disposed on the lighting module 10 and the One side of the reflecting device 20.

In the first embodiment of the present invention, please refer to Figure 2A, Figure 2B and Figure 3, which are the front view and partial left view of the first embodiment of the reflective lighting system of the present invention (the light deflection is omitted) Device 30), as shown in the figure, in this embodiment, one end of the lighting module 10 is provided with a light emitting portion 12, and the light emitting portion 12 generates a first light beam 14; the reflecting device 20 is arranged on the path of the first light beam 14 Above, after receiving the first light beam 14, a reflective surface 22 of the reflecting device 20 reflects a second light beam 24; the light deflection device 30 is arranged on the path of the second light beam 24, and the light deflection device 30 receives the After the second light beam 24, a third light beam 32 is reflected along an optical axis 50; wherein, the illumination module 10 and the reflection device 20 are respectively disposed on different sides of a horizontal plane 54 of the optical axis 50.

In this embodiment, the lighting module 10 is provided with at least one first lens (not shown), and the at least one first lens can be adjusted according to specific requirements. The lighting module 10 emits a light (not shown) from the inside to pass through the at least one first lens, and according to the structure design of the at least one first lens (for example, a concave/convex lens with focusing and diverging effects), the light is emitted from The portion 12 generates the first light beam 14 so that the first light beam 14 forms the first divergence angle β1 (35 degrees to 55 degrees). In addition, the aperture of the lighting module 10 is set to 1.2~1.8 (preferably 1.37). The illumination module 10 and the reflection device 20 are respectively arranged on different sides of a horizontal plane 54 of the optical axis 50, and the first divergence angle β1 makes the reflection device 20 closer to the illumination module 10, thereby making the illumination Miniaturization of the system. The angle formed by the first light beam 14 generated by the lighting module 10 and the reflecting device 20 is 66-73 degrees. The illumination module 10 and the reflecting device 20 are respectively arranged on a radial plane 52 of the optical axis 50 of the projection module 40, and the illumination module 10 is arranged on a vertical plane 56 where the optical axis 50 is located on.

The reflective lighting system of the present invention further includes a projection module 40 which is arranged on the optical axis 50. One end of the projection module 40 is provided with an incident surface 42 and the other end is provided with an exit surface 44. After the surface 42 receives the third light beam 32, a fourth light beam 46 is projected from the exit surface 44; wherein, the projection module 40 further includes at least one second lens (not shown), and the at least one second lens can be based on According to specific requirements, a plurality of lenses are provided for adjustment, and the structure and operation function are the same as the at least one first lens provided by the irradiation module 10. In addition, the first light beam 14, the second light beam 24, the third light beam 32, and the fourth light beam 46 are high-resolution pixel lights.

Referring to FIGS. 1 to 3 again, in this embodiment, the lighting module 10 emits the first light beam 14, and after being received by the reflecting surface 22 of the reflecting device 20, the second light beam 24 is reflected. The light deflection device 30 is arranged on the path of the second light beam 24, and the light deflection device 30 is a digital micromirror device (DMD), which reflects the third light beam 32 after receiving the second light beam 24 ; Among them, the third beam 32 forms a second divergence angle β2 (35 degrees to 55 degrees). The projection module 40 is disposed on the path of the third light beam 32. After the incident surface 42 receives the third light beam 32, it passes through the structure of the at least one second lens itself, and the exit surface 44 projects the second light beam. The four beams 46 have since completed the action mode of the reflective lighting system of the present invention. The lighting module 10 and the reflecting device 20 are arranged on different sides of the horizontal plane 54 where the optical axis 50 of the projection module 40 is located, and the lighting module 10 and the reflecting device 20 are not formed by the third beam 32 The fan-shaped illumination area avoids the occlusion of the light source and improves the utilization rate of the light source.

In the second embodiment of the present invention, please continue to refer to FIGS. 4A and 4B, which are front views of the second embodiment of the reflective lighting system of the present invention. As shown in the figure, the difference between this embodiment and the first embodiment is that the first distance a from the center point of the reflector 20 to the center point of the front end of the lighting module 10 in this embodiment is 15-40 mm, and the light deflects The distance between the device 30 and the projection module 40 is a second distance b, the diameter of the projection module 40 is a third distance c, and the ratio of the second distance b to the third distance c is 0.6 to 1.5; , The second distance b is 30~45mm, and the third distance c is 35~50mm. The second embodiment of the present invention achieves the best light extraction rate by limiting the relationship between the second distance b and the third distance c, and realizes good space utilization. The arrangement of other elements in the second embodiment of the present invention is similar to The first embodiment is the same, so it will not be repeated.

In the third embodiment of this case, please refer to Figures 5 and 6, which are the front view and partial left view of the third embodiment of the reflective lighting system of the present invention (the light deflection device 30 is omitted), as shown in the figure As shown, the difference between this embodiment and the previous embodiment is that the lighting module 10 of the previous embodiment is disposed on the vertical surface 56 where the optical axis 50 is located; while the lighting module 10 of this embodiment is disposed on the vertical surface 56 The optical axis 50 is located on one side of the vertical surface 56, that is to say, the lighting module 10 can be arranged on the left or right side of the vertical surface 56. In this embodiment, only the right side is taken as an example. The first light beam 14 generated by the light emitting portion 12 and a vertical line (not shown in the figure) of the optical axis 50 form an included angle γ, the included angle γ is 10 degrees, and then the second light beam 24 is reflected, which is misaligned The setting can meet the assembly under different conditions and improve assembly adaptability. The other structures in this embodiment are the same as those in the first embodiment, so they will not be repeated.

In the fourth embodiment of this case, please refer to Figures 7 and 8, which are the front view and partial left view of the fourth embodiment of the illumination system of the present invention (the light deflecting device 30 is omitted), as shown in the figure As shown, the difference between this embodiment and the second embodiment is that the illumination module 10 and the reflection device 20 of the second embodiment are respectively arranged on the same radial plane 52 of the optical axis 50 of the projection module 40 In this embodiment, the lighting module 10 and the reflecting device 20 are respectively disposed on different radial planes of the optical axis 50 of the projection module 40, that is, the lighting module 10 is disposed on the radial plane On 52, the reflecting device 20 is arranged on another radial plane 58 which is located on the left or right side of the radial plane 52. In this embodiment, the right side is taken as an example. The first light beam 14 generated by the light-emitting portion 12 and a vertical line (not shown in the figure) of the optical axis 50 form an included angle γ, the included angle γ is 10 degrees, and the misalignment setting can satisfy assembly under different conditions. The other structures in this embodiment are the same as those in the first embodiment, so they will not be repeated.

In the fifth embodiment of the present case, please refer to Figures 9 and 10, which are the front view and partial left view of the fifth embodiment of the lighting system of the present invention (the light deflecting device 30 is omitted), as shown in the figure As shown, the difference between this embodiment and the second embodiment is that the lighting module 10 of the second embodiment is disposed on the vertical surface 56 where the optical axis 50 is located, and the lighting module 10 and the reflecting device 20 are respectively Is arranged on the same radial plane 52 of the optical axis 50 of the projection module 40; and in this embodiment, the illumination module 10 is arranged on the side of the vertical plane 56 where the optical axis 50 is, and the illumination module 10 and the reflecting device 20 are respectively arranged on different radial planes of the optical axis 50 of the projection module 40, as in the deflection arrangement of the third embodiment and the fourth embodiment. The light emitting portion 12 generates an included angle γ between the first light beam 14 and a vertical line (not shown in the figure) of the optical axis 50, and the included angle γ is 10 degrees. In other words, the included angle γ of the lighting module 10 of the third to fifth embodiments of the present invention can be inclined with respect to the three-dimensional space (front, back, left, right, etc.) of the vertical line, and the purpose is to displace the arrangement to meet different conditions的assembly. The other structures in this embodiment are the same as those in the first embodiment, so they will not be repeated.

In summary, the reflective lighting system of the present invention uses the lighting module 10 and the reflective device 20 on different sides of the horizontal plane 54 of the optical axis 50 to make reasonable use of the narrow space for vehicle lamp assembly. The relative arrangement relationship between 10 and the reflecting device 20; or by setting the light deflection device 30 and the projection module 40 according to a certain ratio, the space occupied by the whole reflective lighting system is reduced. Compared with the prior art, the reflective lighting of this case The system can complete the assembly of the DMD projection module and realize reasonable space utilization.

Therefore, the present invention is really novel, progressive, and available for industrial use. It should meet the patent application requirements of my country's patent law. Undoubtedly, I filed an invention patent application in accordance with the law. I pray that the Bureau will grant the patent as soon as possible.

However, the above are only the preferred embodiments of the present invention, and are not used to limit the scope of implementation of the present invention. For example, the shapes, structures, features and spirits described in the scope of the patent application of the present invention are equally changed and modified. , Should be included in the scope of patent application of the present invention.

10: Lighting module 12: Light emitting department 14: First beam 20: reflective device 22: reflective surface 24: second beam 30: Light deflection device 32: third beam 40: Projection module 42: incident surface 44: exit surface 46: Fourth beam 50: Optical axis 52: radial plane 54: horizontal plane 56: Vertical surface 58: radial plane a: first distance b: second distance c: third distance β1: first divergence angle β2: second divergence angle γ: included angle

Figure 1: It is a three-dimensional schematic diagram of an embodiment of the reflective lighting system of the present invention; Figure 2A: It is a front view of the first embodiment of the reflective lighting system of the present invention; Figure 2B: It is a front view of the first embodiment of the reflective lighting system of the present invention; Figure 3: It is a partial left view of the first embodiment of the reflective lighting system of the present invention; Figure 4A: It is a front view of the second embodiment of the reflective lighting system of the present invention; Figure 4B: It is a front view of the second embodiment of the reflective lighting system of the present invention; Figure 5: It is a front view of the third embodiment of the reflective lighting system of the present invention; Figure 6: It is a partial left view of the third embodiment of the reflective lighting system of the present invention; Figure 7: It is a front view of the fourth embodiment of the reflective lighting system of the present invention; Figure 8: It is a partial left view of the fourth embodiment of the reflective lighting system of the present invention; Figure 9: It is a front view of the fifth embodiment of the reflective lighting system of the present invention; and Figure 10: It is a partial left view of the fifth embodiment of the reflective lighting system of the present invention.

10: Lighting module

20: reflective device

30: Light deflection device

40: Projection module

Claims (10)

A reflective lighting system, which includes: At least one lighting module, one end of which is provided with a light emitting part, and the light emitting part generates a first light beam; A reflection device arranged on the path of the first light beam, a reflection surface of the reflection device receives the first light beam and reflects a second light beam; and A light deflection device arranged on the path of the second light beam, and after receiving the second light beam, the light deflection device reflects a third light beam along an optical axis; Wherein, the illumination module and the reflection device are respectively arranged on different sides of a horizontal plane of the optical axis, and a first divergence angle formed by the first light beam is 35 to 55 degrees. The reflective lighting system described in item 1 of the scope of patent application, which also includes a projection The projection module is arranged on the optical axis, one end of the projection module is provided with an incident surface, and the other end is provided with an exit surface. After the incident surface receives the third light beam, the exit surface projects a first Four beams. The reflective lighting system described in item 1 of the scope of patent application, wherein the third light beam It forms a second divergence angle of 35 to 55 degrees. The reflective lighting system described in item 1 of the scope of patent application, wherein the first light beam The angle with the reflecting device is 66 to 73 degrees. A reflective lighting system, which includes: At least one lighting module, one end of which is provided with a light emitting part, and the light emitting part generates a first light beam; A reflecting device arranged on the path of the first light beam, a reflecting surface of the reflecting device receives the first light beam and reflects a second light beam; A light deflection device arranged on the path of the second light beam, and after receiving the second light beam, the light deflection device reflects a third light beam along an optical axis; and A projection module, which is arranged on the optical axis, one end of the projection module is provided with an incident surface, and the other end is provided with an exit surface. After the incident surface receives the third light beam, the exit surface projects a fourth light beam ； Wherein, the lighting module and the reflecting device are respectively arranged on different sides of a horizontal plane of the optical axis, and the distance between the lighting module and the reflecting device is a first distance, and the first distance is 15-40 mm. Such as the reflective lighting system described in item 5 of the scope of patent application, wherein the light deflecting device The distance between the setting and the projection module is a second distance, the diameter of the projection module is a third distance, and the ratio of the second distance to the third distance is 0.6 to 1.5. The reflective lighting system described in item 6 of the scope of patent application, wherein the second distance It is 30~45mm, and the third distance is 35~50mm. The reflective lighting system described in item 5 of the scope of patent application, wherein the third light beam It forms a second divergence angle of 35 to 55 degrees. The reflective lighting system described in item 5 of the scope of patent application, wherein the first light beam The angle with the reflecting device is 66 to 73 degrees. The reflective lighting system described in item 5 of the scope of patent application, wherein the lighting module The first light beam emitted from the center forms an included angle with a vertical line of the optical axis, and the included angle is 10 degrees.

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