WO2022256989A1

WO2022256989A1 - Illumination module, headlamp, and vehicle

Info

Publication number: WO2022256989A1
Application number: PCT/CN2021/098718
Authority: WO
Inventors: 仇智平; 张大攀; 祝贺; 严海月; 桑文慧
Original assignee: 华域视觉科技(上海)有限公司
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2022-12-15
Also published as: CN220623764U

Abstract

The present invention relates to the field of vehicle lamps, and disclosed are an illumination module, a headlamp, and a vehicle. The illumination module comprises at least one pixelated illumination unit (1) and at least one non-pixelated illumination unit (2); the pixelated illumination unit (1) comprises a pixelated light source (11) and a pixelated light-exiting lens (12); and the non-pixelated illumination unit (2) comprises a non-pixelated light source (21) and non-pixelated light-exiting lenses (22), the pixelated light-exiting lens (12) and the non-pixelated light-exiting lenses (22) being integrally formed or connected as a whole. Further disclosed are a headlamp comprising the illumination module and a vehicle comprising the headlamp. By means of the illumination module, the precision and stability of a formed light shape can be improved, such that the light shape has a good illumination effect; moreover, the size of the module is small, and the appearance of a light-exiting surface is beautiful.

Description

Lighting modules, headlamps and vehicles

technical field

The present invention relates to a vehicle lamp, in particular to a lighting module. In addition, the present invention also relates to a headlamp and a vehicle including the lighting module.

Background technique

In recent years, a technical solution for pixelated lighting has been proposed in the field of automotive lighting technology. One of the technical solutions is a matrix of LED independent particles or Micro LEDs (a light-emitting surface is divided into multiple rows and columns, and several matrices emit light. Surface) with a certain optical system, the matrix LED light-emitting units can be switched independently to display the required pixel images in a variety of different driving environments.

In the prior art, the pixelated lighting device and the non-pixelated lighting device are respectively set as independent lens units, which can be referred to the vehicle headlight system disclosed in Chinese invention patents CN104276077B, CN108473082A and international application WO2020126399A1. Specifically as shown in Fig. 1, the pixelated lighting device a is provided with a pixelated lens c, and the non-pixelated lighting device b is provided with a non-pixelated lens d, the pixelated lens c and the non-pixelated lens d are independent of each other, and both project The superposition of light shapes forms a complete low beam light shape. This kind of vehicle headlight needs to be improved in the following aspects: (1) multiple lighting devices make the dimming system more complicated, and manual and/or electric dimming devices for relative dimming need to be arranged between multiple lighting devices; (2) Multiple lighting devices occupy a large space for car lights; (3) Multiple lighting devices make thermal management more complicated, requiring multiple cooling fans or one fan to cooperate with more complex cooling air ducts; (4) The cost of the whole lamp Relatively high.

Contents of the invention

The first technical problem to be solved by the present invention is to provide a lighting module, which can improve the accuracy and stability of the formed light shape, so that the lighting effect of the light shape is good, and the module is small in size and the light-emitting surface is beautiful in shape .

The further technical problem to be solved by the present invention is to provide a headlight, the light shape formed by the headlight has high precision and good stability, and the space occupied by the lamp body is small.

The final technical problem to be solved by the present invention is to provide a vehicle, the light shape formed by the headlights of the vehicle has high precision and good stability, and the space occupied by the headlights is small.

In order to solve the above technical problems, the first aspect of the present invention provides a lighting module, including at least one pixelated lighting unit and at least one non-pixelated lighting unit, the pixelated lighting unit includes a pixelated light source and a pixelated light output lens, The non-pixelated lighting unit includes a non-pixelated light source and a non-pixelated light-emitting lens, and the pixelated light-emitting lens is integrally formed or connected with the non-pixelated light-emitting lens.

Preferably, the non-pixelated lighting unit further comprises a non-pixelated primary optical element, the non-pixelated primary optical element comprises a non-pixelated low beam primary optical element and/or a non-pixelated high beam primary optical element, said The non-pixelated light source includes a non-pixelated low-beam light source arranged corresponding to the non-pixelated low-beam primary optical element and/or a non-pixelated high-beam light source arranged corresponding to the non-pixelated high-beam primary optical element; The non-pixelated low-beam primary optical element is located between the non-pixelated low-beam light source and the non-pixelated light-emitting lens, and the non-pixelated high-beam primary optical element is located between the non-pixelated high-beam light source and the non-pixelated high-beam light source. between the non-pixelated light exit lenses.

More preferably, the non-pixelated low beam primary optical element and the non-pixelated high beam primary optical element are light guide elements or reflectors.

Further preferably, the non-pixelated low beam primary optical element and the non-pixelated high beam primary optical element are light guide elements, and the lower boundary of the light exit surface of the non-pixelated low beam primary optical element is located in the non-pixelated low beam primary optical element. In the focal area of the non-pixelated light-emitting lens corresponding to the low-beam primary optical element, the boundary of the light-emitting surface of the non-pixelated high-beam primary optical element is located in the non-pixel corresponding to the non-pixelated high-beam primary optical element In the focal area of the optical lens.

Specifically, the non-pixelated low-beam primary optical element and the non-pixelated high-beam primary optical element respectively include a primary optical element light incident end, a primary optical element light channel, and a primary optical element integrally formed from back to front The light output end, wherein the molding material of the light input end of the primary optical element is different from the molding material of the light channel of the primary optical element and the light output end of the primary optical element.

More specifically, the material of the light input end of the primary optical element is silica gel, and the material of the light channel of the primary optical element and the light output end of the primary optical element is PC.

Typically, the interface between the light incident end of the primary optical element and the light channel of the primary optical element corresponding to the light incident end of the primary optical element is set as a forward convex curved surface.

As a preferred structural form, the light-emitting surface of the pixelated light-emitting lens is set as a convex curved surface, the light-emitting surface of the non-pixelated light-emitting lens is set as an extended curved surface, and the light-emitting surface of the pixelized light-emitting lens is in contact with the The light-emitting surface of the non-pixelated light-emitting lens is connected as a smooth curved surface with continuous curvature.

Preferably, the pixelated lighting unit further includes an imaging lens group, the imaging lens group includes at least one imaging lens, the pixelated light source, at least one imaging lens, and the pixelated light-emitting lens are sequentially arranged from back to front arrangement.

More preferably, the imaging lens group includes a first imaging lens and a second imaging lens arranged in sequence from back to front, and the first imaging lens is set as a biconvex lens whose light-incident surface and light-emitting surface both have convex curved surfaces, The second imaging lens is configured as a convex-concave lens with a light incident surface having an inner concave surface and a light emitting surface as an outwardly convex surface, and the pixelated light emitting lens is configured as a biconvex lens with both a light incident surface and a light emitting surface forming an outwardly convex surface.

Specifically, the pixelated light source is a plurality of LED light-emitting units that can be turned on and off independently.

The second aspect of the present invention provides a headlamp, including the lighting module described in any one of the above technical solutions.

A third aspect of the present invention provides a vehicle, which is characterized by comprising the above-mentioned headlamp.

Through the above technical solution, the lighting module provided by the present invention sets the pixelated lighting unit and the non-pixelated lighting unit in the same module, which not only facilitates dimming and heat dissipation of the lighting module, but also effectively reduces the lighting intensity. The volume of the module reduces the space occupied by the headlight and reduces the production cost; the pixelated light-emitting lens of the pixelated lighting unit and the non-pixelated light-emitting lens of the non-pixelated lighting unit are integrated or connected , the accuracy and stability of the light shape formed by the lighting module can be improved, so that the lighting effect of the light shape is good.

In a preferred embodiment of the present invention, the light-emitting surface of the pixelated light-emitting lens is connected with the light-emitting surface of the non-pixelated light-emitting lens to form a smooth curved surface with continuous curvature, so that the integrity of the light-emitting surface of the lighting module is good, and the performance of the lighting module is improved. The modeling effect of the light-emitting surface; the non-pixelated low beam primary optical element and the non-pixelated high-beam primary optical element are set as light guide elements, and the light input end, light channel and light output end of the light guide element are integrally formed, and the light input end adopts The silicone material is molded, and the light channel and light output end are molded with PC material, which can effectively improve the heat resistance of the light guide element.

Other technical features and technical effects of the present invention will be further described in the following specific embodiments.

Description of drawings

The following drawings are used to provide a further understanding of the present invention, and constitute a part of the description, which are used together with the following specific embodiments to explain the present invention, but the scope of protection of the present invention is not limited to the following drawings and specific implementation Way. In the attached picture:

Fig. 1 is a structural schematic diagram of a pixelated lighting device and a non-pixelated lighting device in the prior art;

Fig. 2 is a schematic structural view of a specific embodiment of the lighting module in the present invention;

Fig. 3 is a light shape schematic diagram of a specific embodiment of the lighting module in the present invention;

Fig. 4 is a top view of the lighting module shown in Fig. 2;

Fig. 5 is the A-A sectional view of Fig. 4;

Fig. 6 is the B-B sectional view of Fig. 4;

Fig. 7 is one of the structural schematic diagrams of pixelated lighting units and non-pixelated lighting units in the lighting module shown in Fig. 2;

Fig. 8 is the second structural schematic diagram of the pixelated lighting unit and the non-pixelated lighting unit in the lighting module shown in Fig. 2;

Fig. 9 is a structural schematic diagram of a pixelated lighting unit and a non-pixelated lighting unit forming a non-pixelated low beam light shape in the lighting module shown in Fig. 2;

Fig. 10 is a structural schematic diagram of a pixelated lighting unit and a non-pixelated lighting unit forming a non-pixelated high beam light shape in the lighting module shown in Fig. 2;

Fig. 11 is a structural schematic diagram of a specific embodiment of a pixelated lighting unit and a non-pixelated lighting unit in the present invention;

Fig. 12 is a structural schematic diagram of another embodiment of a pixelated lighting unit and a non-pixelated lighting unit in the present invention;

Fig. 13 is a structural schematic diagram of a specific embodiment in which the non-pixelated primary optical element is a light guide element in the present invention;

Figure 14 is a top view of the non-pixelated primary optical element shown in Figure 13;

Fig. 15 is a C-C sectional view of Fig. 14;

Figure 16 is a left side view of the non-pixelated primary optical element shown in Figure 13;

Fig. 17 is a D-D sectional view of Fig. 16 .

Explanation of reference signs

1 pixelized lighting unit 11 pixelated light source

12-pixel output lens 13 imaging lens groups

131 The first imaging lens 132 The second imaging lens

2 non-pixelated lighting units 21 non-pixelated light sources

211 Non-pixelated low beam light source 212 Non-pixelated high beam light source

22 Non-pixelated light-emitting lens 23 Non-pixelated primary optical elements

231 Non-pixelated low beam primary optics 232 Non-pixelated high beam primary optics

233 Primary optical element incident end 234 Primary optical element light channel

235 primary optical components light output end 100 pixel light shape

200 non-pixelated low beam light shapes 300 non-pixelated high beam light shapes

a Pixelated lighting device b Non-pixelated lighting device

c pixelated lens d non-pixelated lens

Detailed ways

Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and the protection scope of the present invention is not limited to the following specific embodiments.

First of all, it should be noted that some orientation words involved in the following description to clearly illustrate the technical solution of the present invention, such as "front", "rear", "upper", "lower", "left", "right" " and so on, all have meanings based on the analogy of the orientation indicated by the light transmission direction. For example, taking the pixelated lighting unit 1 as an example, the end where the pixelated light source 11 is located is the rear, and the end where the pixelated light output lens 12 is located is the front. , and relative to the front-back direction of the pixelated lighting unit 1, the direction represented by the left and right sides of the pixelated lighting unit 1 is the left-right direction, and the direction represented by the upper and lower sides of the pixelated lighting unit 1 is the up-down direction. The term is based on the direction or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore It should not be construed as a limitation of the present invention.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "connection", "setting", and "installation" should be interpreted in a broad sense, for example, the connection can be a fixed connection or an optional A disassembled connection, or an integrated connection; it can be a direct connection, or an indirect connection through an intermediary, or an internal communication between two elements or an interaction relationship between two elements. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

The lighting module provided by the first aspect of the present invention, referring to FIG. 2 to FIG. 12 , includes at least one pixelated lighting unit 1 and at least one non-pixelated lighting unit 2, and the pixelated lighting unit 1 includes a pixelated light source 11 and a pixelated light output Lens 12, the non-pixelated lighting unit 2 includes a non-pixelated light source 21 and a non-pixelated light-emitting lens 22, and the pixelated light-emitting lens 12 and the non-pixelated light-emitting lens 22 are integrally formed or connected as one.

In the present invention, the pixelated lighting unit 1 and the non-pixelated lighting unit 2 are arranged in the same module, and a heat dissipation device is provided for the module to realize the overall heat dissipation of the pixelated lighting unit 1 and the non-pixelated lighting unit 2 ; The pixelated light source 11 can be set as a plurality of LED light-emitting units that can be independently controlled to turn on and off, specifically can be LED particles or Micro LEDs arranged in a matrix, preferably a Micro LED light source, that is, a miniature LED light source, the miniature LED The size of each LED light-emitting unit in the light source is micron level, and the miniaturized LED light source is further preferably a rectangular array LED light source composed of tens of thousands of micron-level LED units; the selection of miniaturized LED light source can make the pixels smaller and denser , so that the definition of the formed pixel image can be made higher, and the light shape formed after the pixel image is projected can be adjusted with higher precision, and the boundary of the formed dark part and the change of the dark part position are also more fine and smooth. It can better avoid dazzling or blinding pedestrians or drivers, and the miniature LED light source is in a rectangular array, which can obtain a wider light shape to illuminate the areas on both sides of the road, which is beneficial to drivers on both sides of the road. Observation of pedestrians and road signs.

In the lighting module of the present invention, the number of pixelated lighting units 1 and non-pixelated lighting units 2 can be set according to the light shape required by the lighting module, specifically, the pixelated light source 11 is set as a plurality of LED light emitting units , the light shape formed by part of the LED light-emitting units in one or more pixelated lighting units 1 can be used as a partial low beam light shape, and correspondingly, one or more non-pixelated lighting units 2 can be used to form a non-pixelated low beam The light shape 200 cooperates with part of the low beam light shape to form a complete light shape for vehicle headlamp low beam lighting; or the light shape formed by part of the LED light-emitting units in one or more pixelated lighting units 1 can be used as a part Correspondingly, use one or more non-pixelated lighting units 2 to form a non-pixelated high-beam light shape 300, and cooperate with a part of the high-beam light shape to form a complete light shape for vehicle headlight high-beam lighting . Wherein, part of the low beam light shape can be the light shape of the low beam center area, and the non-pixelated low beam light shape 200 can be an auxiliary low beam light shape used for low beam widening illumination; part of the high beam light shape can be the high beam center area Light Shape, Non-Pixelated High Beam Light Shape 300 may be an auxiliary high beam light shape for high beam widening illumination.

Based on the lighting module provided by the basic solution of the present invention, see FIG. 3 , when in use, the corresponding pixelated light source 11 and non-pixelated light source 21 are turned on according to the required light shape, and all LED light emitting units of the pixelated light source 11 emit The light from the non-pixelated light source 21 can be projected through the pixelated light-emitting lens 12 to form a pixelated light shape 100, and the light emitted from the non-pixelated light source 21 can be projected through the non-pixelated light-emitting lens 22 to form a non-pixelated low beam light shape 200 and/or a non-pixelated far beam. Light shape 300: When it is necessary to form a complete low beam light shape, turn on the LED light-emitting unit corresponding to form a part of the low beam light shape on the pixelated light source 11 and the non-pixelated light source 21 that can form a non-pixelated low beam light shape 200 , so that the non-pixelated low-beam light shape 200 cooperates with part of the low-beam light shape to form a complete low-beam light shape; when it is necessary to form a complete high-beam light shape, turn on the pixelated light source 11 to form a corresponding part of the high-beam light shape The LED light-emitting unit and the non-pixelated light source 21 capable of forming a non-pixelated high-beam light shape 300, so that the non-pixelated high-beam light shape 300 cooperates with a part of the high-beam light shape to form a complete high-beam light shape. In the lighting module of the present invention, the pixelated lighting unit 1 and the non-pixelated lighting unit 2 are arranged in the same module, which not only facilitates dimming and heat dissipation of the lighting module, but also effectively reduces the volume of the lighting module , to reduce production costs; the pixelated light-emitting lens 12 and the non-pixelated light-emitting lens 22 are integrally formed or connected together, which can improve the accuracy and stability of the formed low-beam light shape and high-beam light shape, and at the same time, make The shape effect of the light emitting surface of the lighting module is good.

In the present invention, the non-pixelated lighting unit 2 can only be equipped with a non-pixelated light source 21 and a non-pixelated light-emitting lens 22, that is, the light emitted by the non-pixelated light source 21 is directly projected through the non-pixelated light-emitting lens 22 to form a corresponding light shape. As a preferred embodiment of the non-pixelated lighting unit 2 in the present invention, referring to FIG. 6 to FIG. The non-pixelated low beam primary optical element 231 and/or the non-pixelated high beam primary optical element 232, the non-pixelated low beam light source 21 includes the non-pixelated low beam light source 211 corresponding to the non-pixelated low beam primary optical element 231 and/or The non-pixelated high-beam primary optical element 232 corresponds to the non-pixelated high-beam light source 212; the non-pixelated low-beam primary optical element 231 is located between the non-pixelated low-beam light source 211 and the non-pixelated light-emitting lens 22, and the non-pixelated The high beam primary optical element 232 is located between the non-pixelated high beam light source 212 and the non-pixelated light output lens 22 . The non-pixelated primary optical element 23 can converge, collimate and transmit the light emitted by the non-pixelated light source 21 to the non-pixelated light-emitting lens 22 to improve the optical efficiency of the non-pixelated lighting unit 2 . By setting the non-pixelated low beam primary optical element 231, the non-pixelated lighting unit 2 can form a non-pixelated low beam light shape 200, and the setting of the non-pixelated high beam primary optical element 232 makes the non-pixelated lighting unit 2 A non-pixelated high beam light shape 300 can be formed; according to the non-pixelated low beam primary optical element 231 and/or the non-pixelated high beam primary optical element 232, the non-pixelated light source 21 is arranged as a corresponding non-pixelated low beam light source 211 And/or non-pixelated high beam light source 212, when non-pixelated primary optical element 23 includes non-pixelated low beam primary optical element 231 and non-pixelated high beam primary optical element 232, non-pixelated light source 21 is set to be able to independently Control the non-pixelated low-beam light source 211 and non-pixelated high-beam light source 212 on and off, and turn on the non-pixelated low-beam light source 211 and turn off the non-pixelated high-beam light source 212 when it is necessary to form a non-pixelated low-beam light shape 200 , when the non-pixelated high beam light shape 300 needs to be formed, the non-pixelated high-beam light source 212 is turned on, and the non-pixelated low-beam light source 211 is turned off.

In the present invention, referring to FIG. 11 , the non-pixelated low beam primary optical element 231 and the non-pixelated high beam primary optical element 232 can be set as light guide elements, both of which are arranged up and down. Generally, the non-pixelated low beam primary optical element The optical element 231 is disposed above the non-pixelated high beam primary optical element 232; the light guide element mentioned in the present invention refers to a solid optical element with a light transmission channel. Referring to FIG. 12 , the non-pixelated primary optical element 23 can also be set as a reflector, and at this time, the switch between non-pixelated high beam and non-pixelated low beam can be realized by setting a corresponding light shield.

As a preferred embodiment of the present invention, the non-pixelated low beam primary optical element 231 and the non-pixelated high beam primary optical element 232 are light guide elements. At this time, referring to FIG. 9 , the non-pixelated low beam primary optical element 231 The lower boundary of the light-emitting surface is located in the focal area of its corresponding non-pixelated light-emitting lens 22, and the main body of the non-pixelated low beam primary optical element 231 is located above the optical axis of its corresponding non-pixelated light-emitting lens 22; see FIG. 10 , the boundary of the light-emitting surface of the non-pixelated high-beam primary optical element 232 is located in the focal area of its corresponding non-pixelated light-emitting lens 22, and the main body of the non-pixelated high-beam primary optical element 232 is located in its corresponding non-pixelated light-emitting Below the optical axis of the lens 22. The lower boundary of the light exit surface of the non-pixelated low beam primary optical element 231 or the light exit surface boundary of the non-pixelated high beam primary optical element 232 may just pass through the focal point of its corresponding non-pixelated light exit lens 22, or may correspond to it. The focal point of the non-pixelated light-emitting lens 22 has a deviation of a small distance (≤2 mm), so that the non-pixelated low beam primary optical element 231 and the non-pixelated high-beam primary optical element 232 can be connected to the corresponding light source and non-pixelated light output lens respectively. The lenses 22 cooperate to form the desired non-pixelated light shape.

As a preferred implementation of the light guide element, referring to Fig. 13 to Fig. 17, the non-pixelated low beam primary optical element 231 and the non-pixelated high beam primary optical element 232 respectively include primary optical elements integrally formed from back to front The light entrance 233, the primary optical element light channel 234 and the primary optical element light exit 235, wherein the molding material of the primary optical element light entrance 233 is different from the molding material of the primary optical element light channel 234 and the primary optical element light exit 235, so that The light guide element can not only meet the optical performance of converging and collimating light, but also has better heat resistance. Specifically, the light input end 233 of the primary optical element is made of silica gel, and the light channel 234 of the primary optical element and the light output end 235 of the primary optical element are formed of polycarbonate (PC for short).

Preferably, the interface between the light incident end 233 of the primary optical element and the light channel 234 of the primary optical element corresponding to the light incident end 233 of the primary optical element is set as a forward convex curved surface, which can make the light guide element have better secondary The light distribution effect makes the received light more concentrated, further improves the light transmission efficiency of the light guide element, and makes the light shape effect better.

As another preferred embodiment of the present invention, on the basis that the pixelated light-emitting lens 12 and the non-pixelated light-emitting lens 22 are integrated, the light-emitting surface of the pixelated light-emitting lens 12 is set as a convex curved surface, and the non-pixelated light-emitting lens 22 The light-emitting surface of the pixelated light-emitting lens 12 is set as an extended curved surface, that is, the light-emitting surface of the non-pixelated light-emitting lens 22 is a curved surface extending outward along the curved surface of the light-emitting surface of the pixelated light-emitting lens 12, and the light-emitting surface of the pixelated light-emitting lens 12 is the same as the non-pixelated light-emitting surface The light-emitting surface of the lens 22 is connected as a smooth curved surface with continuous curvature, so that the integrity of the light-emitting surface of the lighting module is good, and the shape of the light-emitting surface is better.

As a preferred embodiment of the pixelated lighting unit 1 in the present invention, referring to FIG. 5, FIG. 7 to FIG. The light source 11 , at least one imaging lens and the pixelated light-emitting lens 12 are arranged sequentially from back to front, that is, the imaging lens group 13 is arranged between the pixelated light source 11 and the pixelated light-emitting lens 12 . When the imaging lens group 13 includes at least two imaging lenses, the at least two imaging lenses are arranged sequentially from back to front between the pixelated light source 11 and the pixelated light output lens 12 . Through the cooperation of the imaging lens group 13 and the pixelated light-emitting lens 12, it is beneficial to the imaging of the pixelated lighting unit 1 to form the corresponding pixelated light shape 100, and it can also offset the dispersion generated during the projection imaging process, so that the projection The outgoing pixel light shape and chromatic aberration is small, and it is not easy to generate dazzling stray light, which is beneficial to balance the aberration of the optical system, ensure the definition of imaging, and improve the light efficiency of the pixelated lighting unit 1 .

Specifically, the imaging lens group 13 includes a first imaging lens 131 and a second imaging lens 132 arranged in sequence from back to front. The first imaging lens 131 is set as a biconvex lens whose light incident surface and light exit surface are both convex surfaces. The second imaging lens 132 is configured as a convex-concave lens with a light-incoming surface and a light-outgoing surface. The pixelated light-outgoing lens 12 is set as a biconvex lens with a light-incoming surface and a light-outgoing surface. Setting the first imaging lens 131 as a biconvex lens with a positive refractive power whose light-incident surface and light-emitting surface are both convex surfaces can make the focal length of the first imaging lens 131 shorter and have a higher diopter, thereby reducing the The distance between the first imaging lens 131 and the pixelated light source 11; the second imaging lens 132 is set as a convex-concave lens with a negative refractive power whose light-incoming surface is a concave curved surface and the light-emitting surface is a convex curved surface, which can correct light The dispersion phenomenon generated after refraction by the first imaging lens 131 is offset and corrected, and the distance between it and the first imaging lens 131 and the pixelated light-emitting lens 12 can be reduced; the pixelated light-emitting lens 12 is set as the light incident surface The double-convex lens with positive refractive power that is convex with the light-emitting surface can reduce the distance between it and the second imaging lens 132, thereby effectively reducing the front and rear length dimensions of the pixelated lighting unit 1, so that The lighting module is small in size and low in manufacturing cost. The refractive power of the above lens represents the ability of the lens to process light. Positive refractive power means that the lens can converge incoming light, while negative refractive power means that the lens can diverge incoming light. The collocation of the first imaging lens 131, the second imaging lens 132 and the pixelated light-emitting lens 12 can effectively offset the dispersion in the process of light refraction, so that the dispersion range of the pixel light shape is small, so that the imaging is clearer and the light shape effect is improved. it is good.

As the first specific embodiment of the lighting module in the present invention, referring to FIG. 4 to FIG. Located on the left and right sides of the pixelated lighting unit 1, the pixelated lighting unit 1 includes a pixelated light source 11, a first imaging lens 131, a second imaging lens 132, and a pixelated light-emitting lens 12 arranged in sequence from back to front. The lens 131 is set as a biconvex lens whose light incident surface and light exit surface are both convex curved surfaces, the second imaging lens 132 is set as a convex-concave lens with a light incident surface showing an inwardly concave curved surface and a light exit surface showing an outwardly convex curved surface, and the pixelated light exit lens 12 is set It is a biconvex lens with a convex surface on both the light incident surface and the light exit surface, and the pixelized light source 11 is set as a plurality of LED light-emitting units that can be independently controlled to turn on and off; the non-pixelated lighting unit 2 on the right includes The non-pixelated high beam light source 212, the non-pixelated high beam primary optical element 232 and the non-pixelated light output lens 22 are set, and the non-pixelated lighting unit 2 on the left side includes non-pixelated low beams arranged sequentially from back to front The light source 211, the non-pixelated low beam primary optical element 231 and the non-pixelated light output lens 22, the non-pixelated low beam primary optical element 231 and the non-pixelated high beam primary optical element 232 are all set as light guide elements, and respectively include The light entrance end 233 of the primary optical element, the light channel 234 of the primary optical element, and the light exit end 235 of the primary optical element are arranged in sequence from the back to the front, and the light entrance end 233 of the primary optical element is made of silica gel. The light output end 235 of the primary optical element is made of PC material, and the interface between the light input end 233 of the primary optical element and the light channel 234 of the primary optical element corresponding to the light input end 233 of the primary optical element is set as a convex curved surface, which is non-pixelated and nearly The lower boundary of the light exit surface of the primary light optical element 231 is located in the focal area of its corresponding non-pixelated light exit lens 22, and the boundary of the light exit surface of the non-pixelated high beam primary optical element 232 is located in the corresponding non-pixelated light exit lens 22. In the focal area; the pixelated light-emitting lens 12 and two non-pixelated light-emitting lenses 22 are integrally formed, the light-emitting surface of the pixelated light-emitting lens 12 is set as an outer convex curved surface, and the light-emitting surface of the non-pixelated light-emitting lens 22 is set as an extended curved surface, and The three are connected as a smooth surface with continuous curvature.

In the first specific embodiment of the above-mentioned lighting module, in the low beam mode, the LED light-emitting unit corresponding to the part of the low beam light shape formed in the pixelized light source 11 is turned on and the non-pixelated light source 21 on the left is turned off, and the right side is turned off. The non-pixelated light source 21, the light emitted by the pixelated light source 11 is sequentially transmitted to the pixelated light-emitting lens 12 through the first imaging lens 131 and the second imaging lens 132, and is projected by the pixelated light-emitting lens 12 to form a part of low-beam light shape. The light emitted by the pixelated low beam light source 211 enters from the light input end 233 of the primary optical element of the non-pixelated low beam primary optical element 231, is transmitted to the light output end 235 of the primary optical element through the primary optical element light channel 234, and then passes through the left side The pixelated light output lens 22 is projected to form a non-pixelated low beam light shape 200, and the two cooperate to form a complete low beam light shape; The corresponding LED light-emitting unit and the non-pixelated light source 21 on the right turn off the non-pixelated light source 21 on the left to form a part of the high beam light shape and a non-pixelated high beam light shape 300, and the two cooperate to form a complete high beam light shape. light shape.

As the second specific embodiment of the lighting module in the present invention, the lighting module includes a pixelated lighting unit 1 and two non-pixelated lighting units 2, and the two non-pixelated lighting units 2 are located at the sides of the pixelated lighting unit 1. On the left and right sides, the pixelated lighting unit 1 includes a pixelated light source 11, a first imaging lens 131, a second imaging lens 132, and a pixelated light output lens 12 arranged in sequence from back to front, and the first imaging lens 131 is set as a light incident surface A double-convex lens with a convex curved surface and the light-emitting surface, the second imaging lens 132 is set as a convex-concave lens with a concave curved surface on the light-incoming surface and a convex curved surface on the light-emitting surface, and the pixelated light-emitting lens 12 is set as the light incident surface and the light-emitting surface Both are biconvex lenses with convex curved surfaces, and the pixelized light source 11 is set as a plurality of LED light-emitting units that can be independently controlled to turn on and off; the non-pixelated lighting units 2 on both sides include non-pixelated low beams that are arranged sequentially from the back to the front The light source 211, the non-pixelated low-beam primary optical element 231 and the non-pixelated low-beam primary optical element 22, the non-pixelated low-beam primary optical element 231 are all set as light guide elements, and respectively include primary The light input end 233 of the optical element, the light channel 234 of the primary optical element and the light output end 235 of the primary optical element, the light input end 233 of the primary optical element is made of silica gel material, the light channel 234 of the primary optical element and the light output end 235 of the primary optical element are formed of PC material , the interface between the light incident end 233 of the primary optical element and the optical channel 234 of the primary optical element corresponding to the light incident end 233 of the primary optical element is set as a front convex curved surface, and the lower boundary of the light exit surface of the non-pixelated low beam primary optical element 231 It is located in the focal area of its corresponding non-pixelated light-emitting lens 22; the pixelized light-emitting lens 12 is integrally formed with two non-pixelated light-emitting lenses 22, and the light-emitting surface of the pixelated light-emitting lens 12 is set as a convex curved surface, and the non-pixelated light-emitting lens The light emitting surface of the lens 22 is set as an extended curved surface, and the three are connected to form a smooth curved surface with continuous curvature.

The second specific embodiment of the above-mentioned lighting module is suitable for the low beam mode. Turn on the LED light-emitting units corresponding to the light shape in the center area of the low beam in the pixelized light source 11 and the non-pixelated light sources 21 on both sides, and the pixelated light source The light emitted by 11 is sequentially transmitted to the pixelated light output lens 12 through the first imaging lens 131 and the second imaging lens 132, and is projected by the pixelated light output lens 12 to form the light shape in the central area of the low beam. The light emitted by the non-pixelated low beam light source 211 The light enters from the primary optical element light input end 233 of the non-pixelated low beam primary optical element 231, is transmitted through the primary optical element light channel 234 to the primary optical element light output end 235, and then is projected through the pixelated light output lens 22 on the corresponding side to The auxiliary low-beam light shape of non-pixelated low-beam widening lighting is formed, and the light shape of the center area of the low-beam is matched to form a complete low-beam light shape.

As a third specific embodiment of the lighting module in the present invention, the lighting module includes a pixelated lighting unit 1 and two non-pixelated lighting units 2, and the two non-pixelated lighting units 2 are located at the sides of the pixelated lighting unit 1. On the left and right sides, the pixelated lighting unit 1 includes a pixelated light source 11, a first imaging lens 131, a second imaging lens 132, and a pixelated light output lens 12 arranged in sequence from back to front, and the first imaging lens 131 is set as a light incident surface A double-convex lens with a convex curved surface and the light-emitting surface, the second imaging lens 132 is set as a convex-concave lens with a concave curved surface on the light-incoming surface and a convex curved surface on the light-emitting surface, and the pixelated light-emitting lens 12 is set as the light incident surface and the light-emitting surface Both are biconvex lenses with convex curved surfaces, and the pixelated light source 11 is set as a plurality of LED light-emitting units that can be independently controlled to turn on and off; the non-pixelated lighting units 2 on both sides include non-pixelated high beams that are arranged sequentially from the back to the front The light source 212, the non-pixelated high-beam primary optical element 232 and the non-pixelated high-beam primary optical element 22, the non-pixelated high-beam primary optical element 232 are all set as light guide elements, and respectively include primary The light input end 233 of the optical element, the light channel 234 of the primary optical element and the light output end 235 of the primary optical element, the light input end 233 of the primary optical element is made of silica gel material, the light channel 234 of the primary optical element and the light output end 235 of the primary optical element are formed of PC material , the interface between the primary optical element light incident end 233 and the primary optical element light channel 234 corresponding to the primary optical element light incident end 233 is set as a front convex curved surface, and the boundary on the light exit surface of the non-pixelated high beam primary optical element 232 It is located in the focal area of its corresponding non-pixelated light-emitting lens 22; the pixelated light-emitting lens 12 is integrally formed with two non-pixelated light-emitting lenses 22, and the light-emitting surface of the pixelated light-emitting lens 12 is set as a convex curved surface, so that the non-pixelated light-emitting lens The light emitting surface of the lens 22 is set as an extended curved surface, and the three are connected to form a smooth curved surface with continuous curvature.

The third specific embodiment of the above-mentioned lighting module is suitable for the high beam mode, and the pixelized light source 11 is turned on to form the LED light-emitting unit corresponding to the light shape in the central area of the high beam and the non-pixelated light sources 21 on both sides, and the pixelated light source The light emitted by 11 is transmitted to the pixelated light output lens 12 through the first imaging lens 131 and the second imaging lens 132 in sequence, and is projected by the pixelated light output lens 12 to form the light shape in the central area of the high beam. The light emitted by the non-pixelated high beam light source 212 The light enters from the primary optical element light input end 233 of the non-pixelated high-beam primary optical element 232, is transmitted through the primary optical element light channel 234 to the primary optical element light output end 235, and then is projected through the pixelated light output lens 22 on the corresponding side to The auxiliary high-beam light shape of the non-pixelated high-beam widening lighting is formed, which cooperates with the light shape of the central area of the high-beam to form a complete high-beam light shape.

As the fourth specific embodiment of the lighting module in the present invention, referring to FIG. 11, the lighting module includes a pixelated lighting unit 1 and a non-pixelated lighting unit 2, and the non-pixelated lighting unit 2 and the pixelated lighting unit 1 Arranged left and right, the pixelated lighting unit 1 includes a pixelated light source 11, a first imaging lens 131, a second imaging lens 132, and a pixelated light-emitting lens 12 arranged in sequence from back to front. The light-emitting surface is a biconvex lens with a convex surface, the second imaging lens 132 is set as a convex-convex lens with a light-incoming surface and a light-emitting surface. A double-convex lens with a convex curved surface, the pixelated light source 11 is set as a plurality of LED light-emitting units that can be independently controlled to turn on and off; the non-pixelated lighting unit 2 includes a non-pixelated light source 21 arranged in sequence from back to front, a non-pixelated primary The optical element 23 and the non-pixelated light exit lens 22, the non-pixelated primary optical element 23 includes a non-pixelated low beam primary optical element 231 and a non-pixelated high beam primary optical element 232 located below the non-pixelated low beam primary optical element 231 , the non-pixelated light source 21 includes a non-pixelated low-beam light source 211 corresponding to the non-pixelated low-beam primary optical element 231 and a non-pixelated high-beam light source 212 corresponding to the non-pixelated high-beam primary optical element 232. Both the pixelated low beam primary optical element 231 and the non-pixelated high beam primary optical element 232 are set as light guide elements, and respectively include a primary optical element light incident end 233, a primary optical element light end 233, and a primary optical element that are sequentially arranged from back to front and integrally formed. The channel 234 and the light outlet end 235 of the primary optical element, the light entrance end 233 of the primary optical element are made of silica gel material, the light channel 234 of the primary optical element and the light outlet end 235 of the primary optical element are made of PC material, the light entrance end 233 of the primary optical element is connected with the primary optical element The interface between the optical channel 234 of the primary optical element corresponding to the light incident end 233 of the optical element is set as a forward convex curved surface, the lower boundary of the light exit surface of the non-pixelated low beam primary optical element 231 and the non-pixelated high beam primary optical element 232 The boundaries of the light-emitting surface are all located in the focal area of the non-pixelated light-emitting lens 22; the pixelated light-emitting lens 12 and the non-pixelated light-emitting lens 22 are integrally formed, and the light-emitting surface of the pixelated light-emitting lens 12 is set as a convex curved surface, and the non-pixelated light-emitting lens The light emitting surface of the lens 22 is set as an extended curved surface, and the two are connected to form a smooth curved surface with continuous curvature.

In the fourth specific embodiment of the above-mentioned lighting module, in the low beam mode, the LED light-emitting unit and the non-pixelated low-beam light source 211 corresponding to the part of the low-beam light shape formed in the pixelated light source 11 are turned on, and the non-pixelated low-beam light source 211 is turned off. The light source 212 is used to form a partial low-beam light shape and a non-pixelated low-beam light shape 200, which cooperate to form a complete low-beam light shape; when switching to the high-beam mode, turn on the pixelated light source 11 to form a part The LED light-emitting unit corresponding to the light shape and the non-pixelated high-beam light source 212 turn off the non-pixelated low-beam light source 211 to form a part of the high-beam light shape and the non-pixelated high-beam light shape 300, and the two cooperate to form a complete high beam shape.

On the basis of the above-mentioned lighting module, the second aspect of the present invention provides a headlamp, including the lighting module described in any one of the above-mentioned technical solutions. Therefore, it has at least all the beneficial effects brought by the technical solutions of the above lighting module embodiments, the formed light shape has high precision and good stability, and the lamp body occupies a small space and the manufacturing cost is low. Similarly, the vehicle according to the third aspect of the present invention, including the above-mentioned headlamp of the present invention, also has all the beneficial effects brought about by the technical solutions of the above-mentioned lighting module embodiments.

It can be seen from the above description that the lighting module of the present invention arranges the pixelated lighting unit 1 and the non-pixelated lighting unit 2 in the same module, which not only facilitates dimming and heat dissipation of the lighting module, but also effectively Reduce the volume of the lighting module, thereby reducing the space occupied by the headlights and reducing production costs; the pixelated light-emitting lens 12 of the pixelated lighting unit 1 and the non-pixelated light-emitting lens 22 of the non-pixelated lighting unit 2 are arranged Integral molding or connection can improve the accuracy and stability of the light shape formed by the lighting module, so that the lighting effect of the light shape is good.

The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, however, the present invention is not limited thereto. Within the scope of the technical concept of the present invention, various simple modifications can be made to the technical solution of the present invention, including combining each specific technical feature in any suitable manner. Not otherwise stated. However, these simple modifications and combinations should also be regarded as the content disclosed by the present invention, and all belong to the protection scope of the present invention.

Claims

A lighting module, characterized in that it includes at least one pixelated lighting unit (1) and at least one non-pixelated lighting unit (2), and the pixelated lighting unit (1) includes a pixelated light source (11) and pixelated A non-pixelated light emitting lens (12), the non-pixelated lighting unit (2) includes a non-pixelated light source (21) and a non-pixelized light-emitting lens (22), the pixelized light-emitting lens (12) is connected with the non-pixelated The light-emitting lens (22) is integrally formed or connected as one.
The lighting module according to claim 1, wherein the non-pixelated lighting unit (2) further includes a non-pixelated primary optical element (23), and the non-pixelated primary optical element (23) includes a non-pixelated primary optical element (23). A pixelated low beam primary optical element (231) and/or a non-pixelated high beam primary optical element (232), the non-pixelated light source (21) includes a corresponding non-pixelated low beam primary optical element (231) The non-pixelated low beam light source (211) and/or the non-pixelated high beam light source (212) corresponding to the non-pixelated high beam primary optical element (232); the non-pixelated low beam primary optical The element (231) is located between the non-pixelated low beam light source (211) and the non-pixelated light output lens (22), and the non-pixelated high beam primary optical element (232) is located in the non-pixelated far beam between the light source (212) and the non-pixelated light output lens (22).
The lighting module according to claim 2, characterized in that, the non-pixelated low beam primary optical element (231) and the non-pixelated high beam primary optical element (232) are light guide elements or reflectors.
The lighting module according to claim 3, characterized in that, the non-pixelated low beam primary optical element (231) and the non-pixelated high beam primary optical element (232) are light guide elements, and the non-pixelated primary optical element (232) is a light guide element. The lower boundary of the light-emitting surface of the pixelated low-beam primary optical element (231) is located in the focal area of the non-pixelated light-emitting lens (22) corresponding to the non-pixelated low-beam primary optical element (231), and the non-pixelated The boundary of the light exit surface of the high beam primary optical element (232) is located in the focal area of the non-pixelated light exit lens (22) corresponding to the non-pixelated high beam primary optical element (232).
The lighting module according to claim 4, characterized in that, the non-pixelated low beam primary optical element (231) and the non-pixelated high beam primary optical element (232) respectively include front-to-back and integral Formed primary optical element light entrance (233), primary optical element light channel (234) and primary optical element light exit end (235), wherein the molding material of the primary optical element light entrance (233) is compatible with the primary optical element The molding materials of the element light channel (234) and the light exit end (235) of the primary optical element are different.
The lighting module according to claim 5, characterized in that, the material of the light incident end (233) of the primary optical element is silica gel, and the light channel (234) of the primary optical element and the light exit end of the primary optical element ( 235) is made of PC.
The lighting module according to claim 5, characterized in that, between the light incident end (233) of the primary optical element and the light channel (234) of the primary optical element corresponding to the light incident end (233) of the primary optical element The interface between them is set as a convex surface.
The lighting module according to any one of claims 1 to 7, characterized in that, the light-emitting surface of the pixelated light-emitting lens (12) is set as a convex curved surface, and the light-emitting surface of the non-pixelated light-emitting lens (22) The light-emitting surface is set as an extended curved surface, and the light-emitting surface of the pixelated light-emitting lens (12) is connected with the light-emitting surface of the non-pixelated light-emitting lens (22) to form a smooth curved surface with continuous curvature.
The lighting module according to any one of claims 1 to 7, wherein the pixelated lighting unit (1) further includes an imaging lens group (13), and the imaging lens group (13) includes at least one The imaging lens, the pixelated light source (11), at least one of the imaging lenses and the pixelated light-emitting lens (12) are arranged sequentially from back to front.
The lighting module according to claim 9, characterized in that, the imaging lens group (13) includes a first imaging lens (131) and a second imaging lens (132) arranged sequentially from back to front, and the first imaging lens (132) An imaging lens (131) is set as a biconvex lens whose light-incident surface and light-emitting surface are both convex surfaces, and the second imaging lens (132) is set as a convex-convex lens whose light-incidence surface is an inner concave surface and the light output surface is an outer convex surface. As for the lens, the pixelated light-emitting lens (12) is set as a double-convex lens whose light-incident surface and light-exit surface both have convex curved surfaces.
The lighting module according to any one of claims 1 to 7, characterized in that the pixelated light source (11) is a plurality of LED light-emitting units that can be independently controlled to turn on and off.
A headlamp, characterized in that it comprises the lighting module according to any one of claims 1-11.
A vehicle, characterized by comprising a headlamp according to claim 12.