Display function multiplexing optical module

Abstract

The utility model provides a display function multiplexing optical module. A projection lens is located at the position of a light-emitting surface, and a baffle is located between the projection lens and a reflector; the second light source module is arranged on the non-light-blocking surface or adjacent to the baffle; the baffle is rotationally arranged, and the baffle can be switched between a non-light-blocking position and a light-blocking position through rotation; when the baffle is located at the light blocking position, the non-light-blocking surface of the baffle faces the projection module, and the light blocking surface of the baffle faces the reflector. The baffle capable of rotating is arranged, the low beam function is achieved when the baffle is located at the non-light-blocking position, the dynamic display function or the signal lamp function is achieved when the baffle is located at the non-light-blocking position, then the display function is reused, and the practical performance is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to, specifically, a kind of optical module of display function multiplexing, more particularly a kind of low beam module of display function multiplexing. BACKGROUND

[0002] Low beam module is the important component for low beam lighting in automobile headlamp. Low beam module is a lighting device specially used for generating low beam light pattern, which is usually composed of light source, reflector, lens, radiator and other components. It can form a light pattern meeting the requirements of low beam lighting by the optical effect of reflector and lens, illuminating the road in front of the vehicle and providing a clear view for the driver, while avoiding dazzling oncoming vehicles. The existing low beam lighting module is relatively single in function, and can only realize one car light function in the same position area, with low space utilization. SUMMARY

[0003] In view of the defects in the prior art, the utility model aims to provide an optical module with display function multiplexing.

[0004] According to the utility model provides a kind of optical module of display function multiplexing, it include: projection lens, baffle, reflector, first light source module and second light source module;

[0005] The projection lens is located at the light emitting surface position, and the baffle is located between the projection lens and the reflector;The second light source module is arranged on the non-light blocking surface or adjacent to the baffle;

[0006] The baffle is rotationally arranged, and the baffle can be switched between the non-light blocking position and the light blocking position by rotation;When the baffle is located at the light blocking position, the non-light blocking surface of the baffle faces the projection module, and the light blocking surface of the baffle faces the reflector;

[0007] When the baffle is located at the non-light blocking position, the light emitted by the first light source module is reflected by the reflector and then reaches the projection lens for emission;

[0008] When the baffle is located at the light blocking position, the light emitted by the first light source module is reflected by the reflector and then blocked by the light blocking surface;The light emitted by the second light source module is emitted from the projection lens or adjusted by the baffle and then emitted from the projection lens.

[0009] Preferably, the baffle is provided with a first rotation shaft sleeve and a second rotation shaft sleeve;

[0010] The first rotation shaft sleeve and the second rotation shaft sleeve are respectively located on both sides of the baffle;

[0011] The baffle can be turned over by 90 degrees through the first rotating shaft sleeve and the second rotating shaft sleeve, and switches between the horizontal position and the vertical position.

[0012] Preferably, the reflector comprises a plurality of parabolic reflecting surfaces.

[0013] The first light source module comprises a plurality of LED light sources.

[0014] The focal point position of each parabolic reflecting surface coincides with the position of each LED light source.

[0015] Preferably, the first light source module is a low beam light source.

[0016] Preferably, the second light source module is arranged on the non-light-blocking surface.

[0017] The second light source module is a display module.

[0018] The baffle is provided with a first low beam cutoff line structure.

[0019] Preferably, the baffle is provided with a bending structure.

[0020] The bending structure forms the first low beam cutoff line structure, and the bending structure forms a low beam cutoff line at the boundary of the baffle.

[0021] Preferably, the focal point of the projection lens is located at the bending point of the bending structure.

[0022] Preferably, the display module is located at the focal point of the projection lens.

[0023] Preferably, the light-blocking surface is an aluminized surface.

[0024] Preferably, the second light source module is arranged adjacent to the baffle.

[0025] The second light source module comprises a light guide strip and a second light source, and the second light source is arranged at the light-incident end of the light guide strip.

[0026] The baffle is a transparent optical structure, the non-light-blocking surface of the baffle is provided with an optical pattern, and the light-blocking surface of the baffle is provided with a second low beam cutoff line structure.

[0027] When the baffle is located at the light-blocking position, the light-incident end of the baffle corresponds to the light guide strip.

[0028] The light emitted by the second light source enters the baffle after being adjusted by the light guide strip, the light in the baffle is adjusted to be emitted to the projection lens after being adjusted by the optical pattern, and then is emitted from the projection lens.

[0029] Compared with the prior art, the utility model has the beneficial effects as follows:

[0030] 1, the utility model discloses a baffle that can rotate is provided, the baffle realizes low beam function when being in non light blocking position, the baffle realizes dynamic display function or signal lamp function when being in non light blocking position, and thereby realizes the multiplexing of display function, and improves practicality.

[0031] 2, the utility model discloses the structure that shows module is integrated in the rear side of baffle, solve the problem of single function of baffle, realize function multiplexing and the effect of simple structure.

[0032] 3, the utility model discloses the baffle of sleeve with rotating shaft is adopted, realizes the rotatable effect of baffle, and finally realizes the switching of different lighting mode.

[0033] 4, the utility model discloses the display module is placed in the focal point of projection lens, can realize the amplification effect of its display pattern, thereby can use smaller display module.

[0034] 5, the utility model discloses the baffle is set up as the thick wall baffle of transparent optical material, can realize the multiplexing of low beam and signal lamp, the front surface of baffle is aluminized surface, the rear surface of baffle has optical pattern, the light of light source is irradiated in the downside of baffle through light guide, and optical pattern is illuminated, thereby realizes daytime running light or turn signal function. BRIEF DESCRIPTION OF DRAWINGS

[0035] Other features, objects and advantages of the utility model will become more apparent through reading the following detailed description of non-restrictive embodiments with reference to the accompanying drawings:

[0036] Figure 1 It is the structural schematic drawing of optical module for the display function multiplexing of baffle in non light blocking position in embodiment one;

[0037] Figure 2 It is the structural schematic drawing of optical module for the display function multiplexing of baffle in light blocking position in embodiment one;

[0038] Figure 3 It is the structural schematic drawing of the light blocking surface of baffle in embodiment one;

[0039] Figure 4 It is the structural schematic drawing of non light blocking surface of baffle in embodiment one;

[0040] Figure 5 It is the structural schematic drawing of first rotating shaft sleeve and second rotating shaft sleeve in embodiment one;

[0041] Figure 6Structure diagram of the optical module for the display function multiplexing of the baffle in the light blocking position in Embodiment 2;

[0042] Figure 7 Structure diagram of the baffle in Embodiment 2 for highlighting the first and second rotation shaft sleeves;

[0043] Figure 8 Structure diagram of the baffle in Embodiment 2 for highlighting the optical patterns on the non-light blocking surface;

[0044] Figure 9 Structure diagram of the baffle in Embodiment 2 for highlighting the light blocking surface of the baffle.

[0045] The figure shows:

[0046] Projection lens 1 Bending point 204

[0047] Baffle 2 Light guide strip 6

[0048] Mirror 3 First light source module 7

[0049] Heat sink 4 First low beam cutoff line structure 8

[0050] First light source module 5 Second low beam cutoff line structure 9

[0051] Display module 201 Optical patterns 10

[0052] Rotation shaft sleeve 202 Anodized surface 11

[0053] Rotation shaft sleeve 203 DETAILED DESCRIPTION

[0054] The utility model will be explained in detail below in combination with specific embodiments. The following embodiments will help the person skilled in the art to further understand the utility model, but do not limit the utility model in any form. It should be pointed out that, for the person skilled in the art, on the premise of not departing from the utility model concept, a number of changes and improvements can be made. These all belong to the protection scope of the utility model.

[0055] Example 1:

[0056] As Figures 1-5As shown, the embodiment provides an optical module for display function multiplexing, comprising: a projection lens 1, a baffle 2, a reflector 3, a first light source module 5, and a second light source module; the projection lens 1 is located at the light exit surface position, the baffle 2 is located between the projection lens 1 and the reflector 3; the second light source module is arranged on the non-light blocking surface or adjacent to the baffle 2; the baffle 2 is rotationally arranged, and the baffle 2 can be switched between the non-light blocking position and the light blocking position by rotation; when the baffle 2 is located at the light blocking position, the non-light blocking surface of the baffle 2 faces the projection module 1, and the light blocking surface of the baffle 2 faces the reflector 3; when the baffle 2 is located at the non-light blocking position, the light emitted by the first light source module 5 is reflected by the reflector 3 and then reaches the projection lens 1 for emission; when the baffle 2 is located at the light blocking position, the light emitted by the first light source module 5 is reflected by the reflector 3 and then blocked by the light blocking surface; the light emitted by the second light source module is emitted through the projection lens 1 or is emitted from the projection lens 1 after being adjusted by the baffle 2. The first light source module 5 is a low-beam light source. The second light source module is arranged on the non-light blocking surface; the second light source module is a display module 201. The light blocking surface of the baffle 2 is provided with an aluminum plating surface 11.

[0057] The display module 201 can be a high-pixel display unit, a liquid crystal display module, or a mini-LED display screen with a resolution of 0.4-4 mm. Further, in order to save costs, the second light source module can also be a light guide plate made of transparent acrylic material and presenting a fixed pattern.

[0058] The baffle 2 is provided with a first rotation shaft sleeve 202 and a second rotation shaft sleeve 203; the first rotation shaft sleeve 202 and the second rotation shaft sleeve 203 are respectively located at two sides of the baffle 2; the baffle 2 can be flipped by 90 degrees through the first rotation shaft sleeve 202 and the second rotation shaft sleeve 203, and is switched between the horizontal position and the vertical position.

[0059] The reflector 3 comprises a plurality of parabolic reflecting surfaces; the first light source module 5 comprises a plurality of LED light sources; the focal point positions of the parabolic reflecting surfaces coincide with the positions of the LED light sources.

[0060] The baffle 2 is provided with a first low-beam cutoff line structure 8. The baffle 2 is provided with a bending structure; the bending structure forms the first low-beam cutoff line structure 8, and the bending structure forms a low-beam cutoff line at the boundary of the baffle 2. The focal point of the projection lens 1 is located at a bending point 204 of the bending structure. The display module 201 is located at the focal point of the projection lens 1. The light blocking surface is an aluminum plating surface.

[0061] When the baffle 2 is at the light blocking position, the first low-beam cutoff line structure 8 functions to form a low-beam cutoff line.

[0062] The optical module further comprises a heat sink 4; the illumination light source 5 is mounted on the heat sink 4.

[0063] The embodiment integrates the display unit on the light shield plate, realizes the switching of the illumination and the dynamic display by switching the light shield plate, solves the problem of single function of the illumination module, realizes the switching of multiple functions in the same area, and enhances the compactness of the automobile headlamp. In the background of the increasingly sporty vehicle styling, a solution is provided for the function reuse of the vehicle lamp.

[0064] Example 2:

[0065] As shown in Figures 6-9 The embodiment is different from the embodiment 1 in that the second light source module is arranged adjacent to the baffle 2.

[0066] The second light source module comprises a light guide strip 6 and a second light source 7, the second light source 7 is at the light-in end of the light guide strip 6; the baffle 2 is a transparent optical structure; the non-light-shield surface of the baffle 2 is provided with an optical pattern 10; the light-shield surface of the baffle 2 is provided with a second low beam cutoff line structure 9; when the baffle 2 is located at the light-shield position, the light-in end of the baffle 2 corresponds to the light guide strip 6; the light emitted by the second light source 7 enters the baffle 2 after adjustment by the light guide strip 6, the light in the baffle 2 is emitted to the projection lens 1 after adjustment by the optical pattern, and then is emitted from the projection lens 1.

[0067] Example 3:

[0068] The person skilled in the art can understand the embodiment as a more specific description of the embodiment 1.

[0069] The embodiment provides a low beam module with interactive display, which can realize two modes of low beam illumination and dynamic display by rotating the baffle with the display module.

[0070] Figure 1 The display is the mode in which the assembly realizes the low beam illumination function, the first light source module 5 is usually a circuit board with white light LED light sources, and the heat sink 4 provides heat dissipation for the first light source module 5. The reflector 3 is composed of a plurality of parabolic reflecting surfaces, the focal points of the parabolic surfaces coincide with the positions of the LEDs on the first light source module 5, so as to correct the light emitted by the first light source module 5 to achieve a uniform illumination effect. The baffle 2 is a high-brightness aluminum-plated surface, and the shape of the low beam cutoff line is formed by bending at the boundary, and the focal point of the projection lens 1 is at the bending point 204 of the baffle 2.

[0071] Figure 3 The display is the front surface of the baffle 2, which is a high-brightness reflecting surface. Figure 4 The display is the back surface of the baffle 2, on which the display module 201 and the first and second rotating shaft sleeves 202 and 203 on the two sides are arranged. Figure 5 The display is a side view of the baffle 2.

[0072] Figure 2The mode that the assembly realizes intelligent display is shown, the baffle 2 is turned over by 90 degrees through the first rotating shaft sleeve 202 and the second rotating shaft sleeve 203 on both sides, the display module 201 faces the light emitting surface, and the display module 201 is located at the focal point of the projection lens 1, so that the display effect that can be observed outside the module is formed.

[0073] The embodiment solves the problem that the baffle has single function by adopting the structure that the display module is integrated on the back side of the baffle, realizes function multiplexing, and has the effect of structure simplification.

[0074] The embodiment realizes the rotatable effect of the baffle by adopting the baffle with the rotating shaft sleeve, and finally realizes the switching of different lighting modes.

[0075] The embodiment can realize the magnification effect of the display pattern by locating the display module at the focal point of the projection lens, so that a smaller display module can be used.

[0076] As an extension, the multiplexing of the low beam and the signal lamp can be realized by using the thick-wall baffle of the transparent optical material, Figure 7 It is a side view of the thick-wall baffle, and the first rotating shaft sleeve 202 and the second rotating shaft sleeve 203 are arranged on the thick-wall baffle, Figure 8 It is the front surface of the thick-wall baffle, and the aluminized surface 11 is arranged on the front surface of the thick-wall baffle; Figure 9 It is the back surface of the thick-wall baffle, and the optical pattern 10 is arranged on the back surface of the thick-wall baffle.

[0077] The light generated by the light source 7 is irradiated on the lower side of the thick-wall baffle through the light guide 6, illuminates the optical pattern 10, and thus the daytime running light or the turn signal function is realized.

[0078] The utility model discloses a baffle that can rotate, realizes the low beam function when the baffle is in the non-light shielding position, realizes the dynamic display function or the signal lamp function when the baffle is in the non-light shielding position, and thus the multiplexing of the display function is realized, and the practicality is improved.

[0079] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0080] The specific embodiments of the present application are described above. It needs to be understood that the present application is not limited to the specific embodiments described above, and various changes or modifications can be made by those skilled in the art within the scope of the claims, which does not affect the essential content of the present application. In the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other arbitrarily.

Claims

1. An optical module for multiplexing display functions, characterized in that, The application relates to a projection lens (1), a baffle (2), a reflector (3), a first light source module (5) and a second light source module. The projection lens (1) is located at an out-lighting surface position, the baffle (2) is located between the projection lens (1) and the reflector (3), and the second light source module is arranged on the non-light-blocking surface or adjacent to the baffle (2). The baffle (2) is rotationally arranged, the baffle (2) can be switched between a non-light-blocking position and a light-blocking position through rotation, when the baffle (2) is located at the light-blocking position, the non-light-blocking surface of the baffle (2) faces the projection module (1), and the light-blocking surface of the baffle (2) faces the reflector (3). When the baffle (2) is located at the non-light-blocking position, the light emitted by the first light source module (5) reaches the projection lens (1) after being reflected by the reflector (3). When the baffle (2) is located at the light-blocking position, the light emitted by the first light source module (5) is blocked by the light-blocking surface after being reflected by the reflector (3). The light emitted by the second light source module is emitted from the projection lens (1) or is emitted from the projection lens (1) after being adjusted by the baffle (2). The baffle (2) is provided with a first rotating shaft sleeve (202) and a second rotating shaft sleeve (203). 2.The display function multiplexing optical module according to claim 1, wherein, The first rotating shaft sleeve (202) and the second rotating shaft sleeve (203) are respectively located at two sides of the baffle (2). The baffle (2) can be turned over by 90 degrees through the first rotating shaft sleeve (202) and the second rotating shaft sleeve (203) to switch between a horizontal position and a vertical position. The reflector (3) comprises a plurality of parabolic reflecting surfaces. 3.The display function multiplexing optical module according to claim 1, wherein, The first light source module (5) comprises a plurality of LED light sources. The focal point position of each parabolic reflecting surface coincides with the position of each LED light source. The first light source module (5) is a low-beam light source. 4.The display function multiplexing optical module of claim 1, wherein, The second light source module is arranged on the non-light-blocking surface.

5. The optical module for display function multiplexing according to claim 4, wherein The second light source module is a display module (201). The baffle (2) is provided with a first low-beam cut-off line structure (8). The baffle (2) is provided with a bending structure. 6.The optical module for display function multiplexing according to claim 5, wherein, The bending structure forms the first low-beam cut-off line structure (8), and the bending structure forms a low-beam cut-off line at the boundary of the baffle (2). The focal point of the projection lens (1) is located at a bending point (204) of the bending structure. 7.The optical module for display function multiplexing according to claim 6, wherein, The display module (201) is located at the focal point of the projection lens (1). 8.The optical module for display function multiplexing according to claim 5, wherein, The light-blocking surface is an aluminized surface. 9.The display function-multiplexing optical module according to claim 1, wherein, The second light source module is arranged adjacent to the baffle (2). 10.The display function-multiplexing optical module according to claim 1, wherein, The second light source module comprises a light guide strip (6) and a second light source (7), and the second light source (7) is located at the light-incident end of the light guide strip (6). The baffle (2) is a transparent optical structure, the non-light-blocking surface of the baffle (2) is provided with an optical pattern (10), and the light-blocking surface of the baffle (2) is provided with a second low-beam cut-off line structure (9). When the baffle (2) is located at the light-blocking position, the light-incident end of the baffle (2) corresponds to the light guide strip (6). ​ The light emitted by the second light source (7) enters the light guide strip (6) and is adjusted by the light guide strip (6), and then enters the baffle (2), the light in the baffle (2) is adjusted by the optical pattern, and then exits to the projection lens (1), and then exits from the projection lens (1).

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