TWI788114B - Vehicle lamp device - Google Patents

Abstract

The disclosure concerns a vehicle lamp device, which includes a light-emitting unit, a first optical unit and a lens module. The light-emitting unit includes at least one first light-emitting element and at least one second light-emitting element, and the at least one second light-emitting element is adjacent to the at least one first light-emitting element. The first optical unit corresponds to the at least one first light-emitting element. The lens module has a light incident surface and a light exit surface, and the light incident surface faces the light-emitting unit and the first optical unit. The first light beam generated by the at least one first light-emitting element is projected to a first part of the light incident surface by the first optical unit. The at least one first light-emitting element has a first light-emitting surface, the at least one second light-emitting element has a second light-emitting surface, and the first light-emitting surface and the second light-emitting surface directly face the light incident surface.

Description

Lighting device

The present invention is a division of Taiwan Patent Application No. 110105093 (application date: February 9, 2021), and the complete content of the application is incorporated as a part of the patent specification of the present invention for reference.

The present invention relates to a vehicle light device, in particular to a vehicle light device with the function of adjusting low beam light shape.

With the vigorous development of the automobile industry, the time spent in people's transportation and goods transportation can be greatly shortened. Generally, vehicles are equipped with various lights in different positions, such as headlights, tail lights, direction lights or brake lights, etc., to remind other drivers or passers-by to pay attention to the location of the car and the direction of driving, etc., so as to ensure the purpose of driving safety. .

As far as the headlights of vehicles are concerned, the edge of the low-beam light shape projected by conventional headlights is low (as shown in Figure 5), which is about minus 1 degree below the HV point, and cannot effectively comply with the current regulations requirements.

Therefore, how to overcome the above-mentioned defects by improving the structural design has become one of the important issues to be solved by this project.

The technical problem to be solved by the present invention is to provide a A car light device.

In order to solve the above technical problems, the technical solution adopted by the present invention is to provide a vehicle light device, which includes a light emitting unit, a first optical unit and a lens module. The light emitting unit includes at least one first light emitting element and at least one second light emitting element, and the at least one second light emitting element is adjacent to the at least one first light emitting element. The first optical unit corresponds to at least one of the first light emitting elements. The lens module has a light incident surface and a light exit surface, and the light incident surface faces the light emitting unit and the first optical unit. Wherein, the first light beam generated by the at least one first light-emitting element is projected onto a first part of the light incident surface by the first optical unit. Wherein, the at least one first light emitting element has a first light emitting surface, the at least one second light emitting element has a second light emitting surface, and the first light emitting surface and the second light emitting surface directly face the light incident surface.

One of the beneficial effects of the present invention is that the vehicle light device provided by the present invention can pass "the light-emitting unit includes at least one first light-emitting element and at least one second light-emitting element, and the at least one second light-emitting element is adjacent to the at least one A first light emitting element. The first optical unit corresponds to at least one of the first light emitting element. The lens module has a light incident surface and a light exit surface, and the light incident surface faces the light emitting unit and the first optical unit. Wherein , the first light beam generated by the at least one first light-emitting element is projected onto a first part of the light incident surface by the first optical unit. Wherein, the at least one first light-emitting element has a first light-emitting surface, the At least one second light-emitting element has a second light-emitting surface, and the first light-emitting surface and the second light-emitting surface directly face the light-incident surface", so as to adjust the light shape position of the dipped beam.

In order to further understand the features and technical content of the present invention, please refer to the following detailed description and drawings related to the present invention. However, the provided drawings are only for reference and description, and are not intended to limit the present invention.

Z: Lighting device

1: Lighting unit

10: The first light-emitting element

100: the first light-emitting surface

11: Second light-emitting element

110: the second light-emitting surface

111: first side

112: second side

113: third side

114: Fourth side

2: The first reflection unit

20: First Gap

21: The first reflective surface

22: Second Gap

3: Second reflection unit

30: The third gap

30a: first side segment

30b: Second side segment

30c: The third side segment

31: Second reflective surface

31a: the first reflective surface

31b: Second reflective surface

31c: reflective bevel

32: The fourth gap

32a: Fourth side segment

32b: Fifth side segment

32c: The sixth side segment

4: Lens module

4a: Optical axis

40: incident surface

401: Part 1

402: Part Two

41: Light-emitting surface

5: The first optical unit

50: reflective surface

51: Non-reflective surface

52: The first non-reflective surface

53: Second non-reflective surface

6: The second optical unit

H1: first spacing

H2: second spacing

H3: third spacing

H4: fourth spacing

H5: fifth spacing

L1: first beam

L2: second beam

θ: predetermined angle

Fig. 1 is a light pattern diagram of a low beam light of a conventional vehicle light device.

Fig. 2 is a light pattern diagram of a high beam of a conventional vehicle light device.

Fig. 3 is a road illumination diagram of a low beam light of a conventional vehicle light device.

Fig. 4 is a road illumination diagram of a high beam lamp of a conventional vehicle lamp device.

Fig. 5 is a schematic diagram of a local light shape of a dipped beam of a conventional vehicle light device.

FIG. 6 is a schematic side view of the vehicle light device according to the first embodiment of the present invention.

FIG. 7 is a schematic cross-sectional view of a vehicle light device according to a first embodiment of the present invention.

FIG. 8 is a partial cross-sectional schematic view of a vehicle light device according to a first embodiment of the present invention.

FIG. 9 is a schematic partial front view of the vehicle light device according to the first embodiment of the present invention.

FIG. 10 is a schematic structural diagram of the light emitting unit and the second reflecting unit of the vehicle light device according to the first embodiment of the present invention.

Fig. 11 is a light pattern diagram of the low beam of the vehicle lamp device of the present invention.

Fig. 12 is a light pattern diagram of the high beam of the vehicle light device of the present invention.

Fig. 13 is a road view of the low beam light of the vehicle light device of the present invention.

Fig. 14 is a road view of the high beam of the vehicle light device of the present invention.

FIG. 15 is a schematic perspective view of a vehicle light device according to a second embodiment of the present invention.

FIG. 16 is a schematic cross-sectional view of a vehicle light device according to a second embodiment of the present invention.

Fig. 17 is a schematic diagram of the implementation state of the vehicle light device according to the second embodiment of the present invention.

FIG. 18 is a schematic diagram of a local light shape of a low beam light of a vehicle light device according to a second embodiment of the present invention.

Fig. 19 is a light pattern diagram of the low beam of the vehicle lamp device according to the second embodiment of the present invention.

Fig. 20 is a schematic diagram of the first implementation state of the vehicle lamp device according to the third embodiment of the present invention.

Fig. 21 is a schematic diagram of the second implementation state of the vehicle light device according to the third embodiment of the present invention.

FIG. 22 is a schematic perspective view of a vehicle light device according to a fourth embodiment of the present invention.

FIG. 23 is a schematic cross-sectional view of a vehicle light device according to a fourth embodiment of the present invention.

FIG. 24 is a partial cross-sectional schematic view of a vehicle light device according to a fourth embodiment of the present invention.

The following is an illustration of the implementation of the "vehicle light device" disclosed in the present invention through specific specific examples. Those skilled in the art can understand the advantages and effects of the present invention from the content disclosed in this specification. The present invention can be implemented or applied through other different specific embodiments, and various modifications and changes can be made to the details in this specification based on different viewpoints and applications without departing from the concept of the present invention. In addition, the drawings of the present invention are only for simple illustration, and are not drawn according to the actual size, which is stated in advance. The following embodiments will further describe the relevant technical content of the present invention in detail, but the disclosed content is not intended to limit the protection scope of the present invention.

It should be understood that although terms such as "first", "second" and "third" may be used herein to describe various elements, these elements should not be limited by these terms. These terms are mainly used to distinguish one element from another. In addition, the term "or" used herein may include any one or a combination of more of the associated listed items depending on the actual situation.

[first embodiment]

Please refer to Fig. 6 to Fig. 14, respectively, the schematic side view, the schematic cross-sectional view, the partial cross-sectional schematic view, the partial front view schematic view and the structural schematic diagram of the vehicle light device according to the first embodiment of the present invention, and the low beam lamp of the vehicle light device according to the present invention. The light pattern of the high beam light, the light pattern of the high beam light, the road light map of the low beam light and the road light map of the high beam light. As shown in the figure, the first embodiment of the present invention provides a vehicle light device Z, which may include a light emitting unit 1 , a first reflection unit 2 , a second reflection unit 3 and a lens module 4 .

Firstly, as shown in FIG. 6 to FIG. 8 , the light emitting unit 1 of the present invention may include at least one first light emitting element 10 and at least one second light emitting element 11 . Among them, the first light emitting element 10 and the second The two light-emitting elements 11 can be light-emitting diodes (Light-emitting diode, LED), and, in this embodiment, the first light-emitting element 10 and the second light-emitting element 11 are each taken as an example, but not However, in actual implementation, the number of the first light-emitting element 10 and the number of the second light-emitting element 11 may also be one. The second light emitting element 11 is adjacent to the first light emitting element 10 . Further, a plurality of first light-emitting elements 10 may be located above a plurality of second light-emitting elements 11, the first light-emitting elements 10 may be used as light sources for low beam lights, and the second light-emitting elements 11 may be used as light sources for high beam lights, but This is not the limit. Further, as shown in FIG. 6 to FIG. 8, each first light-emitting element 10 may have a first light-emitting surface 100, each second light-emitting element 11 may have a second light-emitting surface 110, and each first light-emitting element 11 may have a second light-emitting surface 110. The surface 100 and each second light emitting surface 110 face the light incident surface 40 of the lens module 4 .

Next, as shown in FIG. 6 to FIG. 8 , the first reflective unit 2 corresponds to at least one first light emitting element 10 , and the second reflective unit 3 corresponds to at least one second light emitting element 11 . For example, as shown in Fig. 6 to Fig. 8, the first reflective unit 2 and the second reflective unit 3 can be diffused lamp cups, and both have a semi-arc structure; wherein, the first reflective unit 2 can be made of a single A C-shaped structure formed by curved surfaces or multiple curved surfaces, and the second reflection unit 3 may be a U-shaped structure formed by multiple curved surfaces, but not limited thereto. The first reflective unit 2 is adjacent to the light-emitting group of the first light-emitting element 10, the second reflective unit 3 is adjacent to the light-emitting group of the second light-emitting element 11, and the first reflective unit 2 and the second reflective unit 3 surround a plurality of The first light emitting element 10 and a plurality of second light emitting elements 11 . Moreover, the first reflective unit 2 and the second reflective unit 3 are located between the light emitting unit 1 (comprising a plurality of first light emitting elements 10 and a plurality of second light emitting elements 11 ) and the lens module 4 .

Further, as shown in FIG. 7 to FIG. 10 , the first reflective unit 2 may have a first notch 20 , a first reflective surface 21 and a second notch 22 . The first notch 20 and the second notch 22 are respectively located at one end of the first reflection unit 2 , the first notch 20 is adjacent to the first light-emitting surface 100 of the first light-emitting element 10 , and the second notch 22 is adjacent to the entrance of the lens module 4 . The smooth surface 40 ; wherein, the first notch 20 is larger than the second notch 22 . The first reflective surface 21 is located on the inner wall of the first reflective unit 2 and connects the first notch 20 and the second notch 22 ; wherein, the first reflective surface 21 can be an arc surface with single curvature or multiple curvatures. while the second reverse The radiation unit 3 may have a third notch 30 , a second reflective surface 31 and a fourth notch 32 . The third notch 30 and the fourth notch 32 are respectively located at one end of the second reflection unit 3 , the third notch 30 is adjacent to the second light emitting element 11 , the fourth notch 32 is adjacent to the lens module 4 , and the second reflective surface 31 and the first A reflective surface 21 faces each other. Wherein, the third notch 30 is larger than the fourth notch 32 , and the third notch 30 is smaller than the first notch 20 .

Furthermore, as shown in FIG. 9 and FIG. 10 , each second light-emitting element 11 has a first side 111 and a second side 112 opposite to each other, and a third side 113 and a first side 113 opposite to each other. Four sides 114. The first side 111 of each second light emitting element 11 corresponds to the upper first light emitting element 10 . The third notch 30 of the second reflective unit 3 surrounds the plurality of second light-emitting elements 11, and there is a first distance H1 between the second sides 112 of the plurality of second light-emitting elements 11 and the third notch 30, and one of the second light-emitting elements 11 has a first distance H1. There is a second distance H2 between the third side 113 of the second light-emitting element 11 and the third notch 30 , and there is a third distance H3 between the fourth side 114 of the second light-emitting element 11 and the third notch 30 ; Wherein, the first interval H1 may be between 0.1mm and 5mm, the second interval H2 may be between 0.1mm and 5mm, and the third interval H3 may be between 0.1mm and 5mm. In addition, there is a fourth distance H4 between the edge of the first light-emitting surface 100 of the first light-emitting element 10 and the second notch 22 , and there is a distance H4 between the edge of the second light-emitting surface 110 of the second light-emitting element 11 and the third notch 30 . A fifth distance H5; wherein, the 1/4 diameter of the lens module 4>the fourth distance H4>the fifth distance H5>0.1mm.

Furthermore, as shown in FIG. 10 , the second reflective surface 31 can be divided into a first curved reflective surface 31 a, a second curved reflective surface 31 b, and a sloped reflective surface 31 c. The first reflective curved surface 31a and the second reflective curved surface 31b are symmetrically arranged on both sides of the reflective slope 31c, and the reflective slope 31c is connected to the first reflective curved surface 31a and the second reflective curved surface 31b; wherein, the first reflective curved surface 31a and the second reflective curved surface The curved surface 31b may be a fan-shaped curved surface, and the reflective slope 31c may be a square slope (ie non-curved surface), but not limited thereto. Moreover, the third notch 30 can also be divided into a first side segment 30a, a second side segment 30b and a third side segment 30c, the first side segment 30a corresponds to and is connected to the first reflective curved surface 31a, and the second side segment 30b corresponds to and is connected to the second reflective curved surface 31b, and the third side segment 30c corresponds to and is connected to the reflective slope 31c; wherein, the first The side section 30a and the second side section 30b may be slightly L-shaped, and the third side section 30c may be straight, but not limited thereto. The fourth notch 32 can also be divided into a fourth side segment 32a, a fifth side segment 32b and a sixth side segment 32c, the fourth side segment 32a corresponds to and is connected to the first reflective curved surface 31a, and the fifth side segment 32b corresponds to And connected to the second reflective curved surface 31b, the sixth side segment 32c corresponds to and is connected to the reflective slope 31c; wherein, the fourth side segment 32a and the fifth side segment 32b can be roughly C-shaped, and the sixth side segment 32c can be linear , and the fourth side segment 32a is different from the first side segment 30a in shape and length, and the fifth side segment 32b is different from the second side segment 30b in shape and length, but not limited thereto.

As shown in FIG. 6 to FIG. 8 , the lens module 4 may have a light incident surface 40 and a light exit surface 41 , the light incident surface 40 faces the light emitting unit 1 , the first reflective unit 2 and the second reflective unit 3 . For example, as shown in FIG. 6 to FIG. 8 , the light incident surface 40 and the light exit surface 41 of the lens module 4 are disposed opposite to each other, and the light exit surface 41 can be a single curved surface or a multi-curved surface structure. Moreover, the lens module 4 may have an optical axis 4a, the optical axis 4a may pass through the center of the body of the lens module 4, and the optical axis 4a may be located between the first light-emitting element 10 and the second light-emitting element 11, or the optical axis 4a Located between two adjacent second light-emitting elements 11, or the optical axis 4a passes through one of the second light-emitting elements 11; wherein, when the number of second light-emitting elements 11 is one, the optical axis of the lens module 4 4a passes through the second light emitting element 11; wherein, when the number of the second light emitting element 11 is multiple, the optical axis of the lens module passes between two adjacent second light emitting elements 11 or one of the second light emitting elements 11 . In this embodiment, the optical axis 4 a is located between two adjacent second light emitting elements 11 as an example, but not limited thereto. The light incident surface 40 of the lens module 4 is divided into a first part 401 (ie, the upper half area) and a second part 402 (ie, the lower half area) based on the optical axis 4 a. Wherein, the first part 401 of the light incident surface 40 is vertically projected on the first reflective unit 2 and at least one first light emitting element 10, and the second part 402 of the light incident surface 40 is vertically projected on the second reflective unit 3 and at least one second light emitting element. Element 11.

Therefore, as shown in FIG. 7 and FIG. 8, when the first light emitting surfaces 100 of the multiple first light emitting elements 10 generate multiple first light beams L1, a part of the first light beams L1 will be directly projected onto the light incident surface. The first part 401 of 40 and the other part of the first light beam L1 will be projected to the first reflection unit 2 . Then, the first light beam L1 projected to the first reflective unit 2 can be projected to the first portion 401 of the light incident surface 40 by being reflected by the first reflective unit 2 . Finally, the lens module 4 emits the plurality of first light beams L1 received by the first part 401 from the light emitting surface 41 to form a low beam light shape (as shown in FIGS. 11 and 13 ).

As shown in FIG. 7 and FIG. 8 , when the second light emitting surfaces 110 of the plurality of second light emitting elements 11 generate a plurality of second light beams L2, a part of the second light beams L2 will be directly projected onto the light incident surface 40. The second part 402 , another part of the second light beam L2 will be projected to the second reflection unit 3 . Then, the second light beam L2 projected to the second reflection unit 3 can be projected to the second portion 402 of the light incident surface 40 by being reflected by the second reflection unit 3 . Finally, the lens module 4 emits the plurality of second light beams L2 received by the second part 402 from the light emitting surface 41 to form a high beam light shape (as shown in FIGS. 12 and 14 ). In addition, as the third gap 30 approaches the second light emitting element 11 (that is, the smaller the first distance H1, the second distance H2, and the third distance H3), the high beam light shape projected by the lens module 4 can be denser. Conversely, as the third notch 30 is farther away from the second light-emitting element 11 (that is, the larger the first distance H1, the second distance H2 and the third distance H3), the high beam light projected by the lens module 4 can be made The shape is more diffuse.

Accordingly, due to the fact that the low-beam and high-beam light shapes projected by the conventional headlights are more concentrated and the illuminated area is smaller, the sight range that passers-by can obtain at night is narrower, which affects driving safety. Therefore, the vehicle lamp device Z of the present invention utilizes the first reflecting unit 2 to collect a part of the scattered first light beam L1 through the above-mentioned technical solution, and reflects the collected first light beam L1 to the first part 401 of the light incident surface 40 , and a part of the scattered second light beam L2 is collected by the second reflection unit 3, and the collected second light beam L2 is reflected to the second part 402 of the light incident surface 40, so that the low beam projected by the lens module 4 The light shape (as shown in Figure 11 and Figure 13 ) and the high beam light shape (as shown in Figure 12 and Figure 14 ) are compared with the low beam light shape (as shown in Figure 1 and Figure 3 ) projected by conventional car lights. Shown) and high beam light shape (as shown in Figure 2 and Figure 4) can be more diffuse.

However, the above-mentioned example is only one of the feasible embodiments and is not used for limit the invention.

[Second Embodiment]

Please refer to FIG. 15 to FIG. 19 , which are respectively the three-dimensional schematic diagram, the cross-sectional schematic diagram, the implementation state schematic diagram, the local light shape diagram of the low beam headlight and the light shape diagram of the low beam headlight according to the second embodiment of the present invention, and please Refer to Figure 6 to Figure 14 together. As shown in the figure, the operation mode of the same components of the vehicle light device Z in this embodiment is similar to that of the vehicle light device Z in the above embodiment, and will not be repeated here. It is worth noting that in this embodiment, the Z may further include a first optical unit 5 .

For example, as shown in FIG. 15 and FIG. 16 , the first optical unit 5 can be located between the first reflection unit 2 and the second reflection unit 3 . Wherein, the first optical unit 5 can be connected to the second reflective unit 3 to form an integrated structure with the second reflective unit 3, but not limited thereto, the first optical unit 5 and the second reflective unit 3 can also be independent Two elements that are independent and not connected to each other.

Further speaking, as shown in FIG. 17 , the first optical unit 5 of this embodiment is a reflection plate structure, and the cross section of the first optical unit 5 can be approximately triangular. The first optical unit 5 can have a reflective surface 50 and a non-reflective surface 51, the reflective surface 50 can correspond to the first light-emitting element 10 and the first reflective unit 2, and the non-reflective surface 51 can correspond to the second light-emitting element 11 and the first reflective unit 2. Two reflection units 3 . The first optical unit 5 can be located between the first light-emitting surface 100 and the second light-emitting surface 110, and the reflective surface 50 is adjacent to the edge of the first light-emitting surface 100, and the non-reflective surface 51 is adjacent to the edge of the second light-emitting surface 110, But not limited to this. In addition, as shown in FIG. 24 , there may be a predetermined angle θ between the optical axis 4 a of the lens module 4 and the reflective surface 50 . The predetermined angle θ may range from 1° to 5°, preferably 3°.

Therefore, as shown in FIG. 17 , when multiple first light beams L1 are projected from the first light emitting surfaces 100 of the multiple first light emitting elements 10, the multiple first light beams L1 will be projected into the first part 401, The first reflection unit 2 and the first optical unit 5 . Wherein, part of the first light beam L1 projected on the first reflection unit 2 will be reflected by the first reflection unit 2 and projected on the first part 401 of the light incident surface 40, and part of the first light beam L1 projected on the reflection surface 50 of the first optical unit 5 will be Reflected by the reflective surface 50 and directed to the incident surface 40 The first part of 401. Next, the plurality of first light beams L1 projected onto the first portion 401 of the light incident surface 40 are emitted from the light exit surface 41 of the lens module 4 to form a low beam light pattern (as shown in FIGS. 11 and 13 ).

Moreover, as shown in FIG. 17 , when the second light beams L2 are projected from the second light emitting surfaces 110 of the multiple second light emitting elements 11 , the multiple second light beams L2 will be directed to the second part 402 of the light incident surface 40 respectively. , the second reflection unit 3 and the first optical unit 5 . Wherein, part of the second light beam L2 projected to the second reflection unit 3 will be reflected by the second reflection unit 3 and projected to the second part 402 of the light incident surface 40, and part of the second light beam L2 projected to the non-reflective surface 51 of the first optical unit 5 The light beam L2 will be blocked or absorbed by the reflective surface 50 . Next, the plurality of second light beams L2 projected onto the second portion 402 of the light incident surface 40 are emitted from the light exit surface 41 of the lens module 4 to form a high beam light pattern (as shown in FIGS. 12 and 14 ).

Accordingly, the vehicle light device Z of the present invention uses the above-mentioned technical solution to reflect a part of the first light beam L1 by the reflective surface 50 of the first optical unit 5, so that the edge of the low beam light shape (ie, the cut-off line) can be successfully corresponds to a fixed angle range below the HV point, and the fixed angle range may be -0.57°±0.3°, as shown in FIG. 18 . Moreover, as shown in FIG. 19 , the vehicle lamp device Z of the present invention can effectively suppress the stray light generated by the first light-emitting surface 100 of the first light-emitting element 10 by providing the first optical unit 5 , and can avoid the first light emission. The light beam with a larger angle generated by the surface 100 will directly strike the second reflective unit 3, causing stray light above the HH horizontal line.

However, the above-mentioned example is only one possible embodiment and is not intended to limit the present invention.

[Third embodiment]

Please refer to FIG. 20 and FIG. 21 , which are schematic views of the first implementation state and the second implementation state of the vehicle light device according to the third embodiment of the present invention, and please also refer to FIG. 6 to FIG. 19 . As shown in the figure, the operation mode of the same components of the vehicle light device Z of this embodiment is similar to that of the vehicle light device Z of the above-mentioned embodiments, and will not be repeated here. It is worth noting that in this embodiment, the The device Z may further include a first optical unit 5 . Among them, the first optical unit 5 of this embodiment and the above-mentioned second real The difference of the first optical unit 5 of this embodiment is that the first optical unit 5 of this embodiment is a light-absorbing plate structure.

For example, as shown in FIG. 20, the first optical unit 5 can be located between the first reflective unit 2 and the second reflective unit 3; wherein, the first optical unit 5 can be connected to the second reflective unit 3 to communicate with the second reflective unit 3. The two reflective units 3 form an integrated structure, but not limited thereto, the first optical unit 5 and the second reflective unit 3 may also be two components that are independent and not connected to each other. Also, the cross section of the first optical unit 5 may be approximately triangular. The first optical unit 5 may have a first non-reflective surface 52 and a second non-reflective surface 53, the first non-reflective surface 52 may correspond to the first light-emitting element 10 and the first reflective unit 2, and the second non-reflective surface 53 It may correspond to the second light emitting element 11 and the second reflection unit 3 . Wherein, as shown in FIG. 20, the first optical unit 5 can be located between the first light-emitting surface 100 and the second light-emitting surface 110, and the first non-reflective surface 52 is adjacent to the edge of the first light-emitting surface 100, and the second non-reflective surface 52 is adjacent to the edge of the first light-emitting surface 100. The reflective surface 53 is adjacent to the edge of the second light emitting surface 110 , but not limited thereto. In addition, the optical axis 4 a of the lens module 4 can pass through the second light emitting surface 110 of the second light emitting element 11 .

Therefore, as shown in FIG. 20 , when multiple first light beams L1 are projected from the first light emitting surfaces 100 of the multiple first light emitting elements 10, the multiple first light beams L1 will be projected into the first part 401 and the first part 401 of the light incident surface 40 respectively. A reflection unit 2 and a first optical unit 5 . Wherein, part of the first light beam L1 projected to the first reflective unit 2 will be reflected by the first reflective unit 2 and projected to the first part 401 of the light incident surface 40 and projected to the first part of the first non-reflective surface 52 of the first optical unit 5. The light beam L1 is blocked or absorbed by the first non-reflective surface 52 . Next, the plurality of first light beams L1 projected onto the first portion 401 of the light incident surface 40 are emitted from the light exit surface 41 of the lens module 4 to form a low beam light shape.

Moreover, as shown in FIG. 20 , when the second light emitting surfaces 110 of the multiple second light emitting elements 11 project a plurality of second light beams L2, the plurality of second light beams L2 will respectively project to the second part 402 of the light incident surface 40 , the second reflection unit 3 and the first optical unit 5 . Wherein, part of the second light beam L2 projected to the second reflective unit 3 will be reflected by the second reflective unit 3 and projected to the second part 402 of the light incident surface 40, and projected to the part of the second non-reflective surface 53 of the first optical unit 5 The second light beam L2 will be blocked by the second non-reflective surface 53 or absorption. Next, the plurality of second light beams L2 projected onto the second portion 402 of the light incident surface 40 are emitted from the light exit surface 41 of the lens module 4 to form a high beam light shape.

Thus, the vehicle lamp device Z of the present invention can effectively suppress the stray light generated by the first light emitting surface 100 of the first light emitting element 10 by using the above technical solution, and by using the first optical unit 5, and avoid the first The light beam with a larger angle generated by the light-emitting surface 100 will directly hit the second reflection unit 3 , causing stray light above the HH horizontal line, as shown in FIG. 19 .

Further, as shown in FIG. 21 , the vehicle light device Z of the present invention may further include a second optical unit 6, which may be an optical element with a light guiding function; wherein, the second optical unit 6 The material can be transparent plastic or glass, if it is plastic, the material can be optical grade PC or PMMA, but not limited thereto.

For example, as shown in FIG. 21 , the second optical unit 6 can be located between the first reflective unit 2 and the first optical unit 5 and adjacent to the first light emitting element 10 . Therefore, a plurality of first light beams L1 generated by at least one first light emitting element 10 are respectively projected to the first reflection unit 2, the first optical unit 5 and the second optical unit 6, and a part of the first light beams L1 are respectively passed through The first reflection unit 2 and the second optical unit 6 project onto the first part 401 of the light incident surface 40 , and another part of the first light beam L1 is blocked or absorbed by the first optical unit 5 .

However, the above-mentioned example is only one possible embodiment and is not intended to limit the present invention.

[Fourth Embodiment]

Please refer to FIG. 22 to FIG. 24 , which are respectively a three-dimensional schematic view, a schematic cross-sectional view and a partial cross-sectional schematic view of a vehicle light device according to a fourth embodiment of the present invention, and please also refer to FIG. 6 to FIG. 21 . As shown in the figure, the fourth embodiment of the present invention provides a vehicle light device Z, which may include a light emitting unit 1 , a first optical unit 5 and a lens module 4 .

As shown in Fig. 22 to Fig. 24, the light emitting unit 1 of the present invention may include at least one first A light emitting element 10 and at least one second light emitting element 11 . Wherein, the first light-emitting element 10 and the second light-emitting element 11 can be light-emitting diodes (Light-emitting diode, LED), and, in this embodiment, each of the first light-emitting element 10 and the second light-emitting element 11 is two One is used as an example, but not limited thereto. In actual implementation, the number of the first light-emitting element 10 and the number of the second light-emitting element 11 may also be one. The second light emitting element 11 is adjacent to the first light emitting element 10 . Further, a plurality of first light-emitting elements 10 may be located above a plurality of second light-emitting elements 11, the first light-emitting elements 10 may be used as light sources for low beam lights, and the second light-emitting elements 11 may be used as light sources for high beam lights, but This is not the limit.

Moreover, as shown in FIG. 22 to FIG. 24 , the first optical unit 5 corresponds to at least one first light emitting element 10 . For example, the first optical unit 5 is a reflection plate structure, and the cross section of the first optical unit 5 may be approximately triangular. The first optical unit 5 can have a reflective surface 50 and a non-reflective surface 51 , the reflective surface 50 can correspond to the first light-emitting element 10 , and the non-reflective surface 51 can correspond to the second light-emitting element 11 . Wherein, as shown in FIG. 24, each first light-emitting element 10 can have a first light-emitting surface 100, and each second light-emitting element 11 can have a second light-emitting surface 110, and the first optical unit 5 can be located at the first Between the light-emitting surface 100 and the second light-emitting surface 110 , and the reflective surface 50 is adjacent to the edge of the first light-emitting surface 100 , and the non-reflective surface 51 is adjacent to the edge of the second light-emitting surface 110 , but not limited thereto.

Next, as shown in FIG. 22 and FIG. 24 , the lens module 4 may have a light incident surface 40 and a light exit surface 41 , and the light incident surface 40 faces the light emitting unit 1 . For example, the light emitting surface 41 of the lens module 4 can be a single curved surface or a multi-curved surface structure. Moreover, the lens module 4 can have an optical axis 4a, and the optical axis 4a can pass through the second light emitting element 11, preferably, the optical axis 4a of the lens module 4 can pass through the second light emitting surface 110 of the second light emitting element 11; Wherein, the light incident surface 40 of the lens module 4 is divided into a first part 401 (ie, the upper half) and a second part 402 (ie, the lower half) based on the optical axis 4 a. Moreover, there may be a predetermined angle θ between the optical axis 4 a and the reflective surface 50 , and the predetermined angle θ may range from 1 degree to 5 degrees, preferably 3 degrees. Wherein, the first part 401 of the light incident surface 40 is vertically projected onto at least one first light emitting element 10 , and the second part 402 of the light incident surface 40 is vertically projected onto at least one second light emitting element 11 .

Therefore, as shown in FIG. 23 and FIG. 24, when the first light-emitting surface 100 of the first light-emitting element 10 projects a plurality of first light beams L1, a part of the first light beams L1 will be directly projected onto the first part 401 of the light-incident surface 40. ; and the first light beam L1 projected toward the first optical unit 5 can be reflected by the reflective surface 50 of the first optical unit 5 and projected onto the first portion 401 of the light incident surface 40 . Next, the plurality of first light beams L1 projected onto the first portion 401 of the light incident surface 40 can be emitted from the light exit surface 41 of the lens module 4 to form a low beam light shape.

Moreover, as shown in FIG. 23 and FIG. 24 , when the second light emitting surface 110 of the second light emitting element 11 projects a plurality of second light beams L2, a part of the second light beams L2 will be directly projected onto the second light beam L2 of the light incident surface 40. part 402 ; and the second light beam L2 directed towards the non-reflective surface 51 of the first optical unit 5 will be blocked or absorbed by the reflective surface 50 . Next, the plurality of second light beams L2 projected onto the second portion 402 of the light incident surface 40 are emitted from the light exit surface 41 of the lens module 4 to form a high beam light shape.

Accordingly, the vehicle light device Z of the present invention uses the above-mentioned technical solution to reflect a part of the first light beam L1 by the reflective surface 50 of the first optical unit 5, so that the edge of the low beam light shape (ie, the cut-off line) can be successfully corresponds to a fixed angle range below the HV point, and the fixed angle range may be -0.57°±0.3°, as shown in FIG. 18 .

However, the above-mentioned example is only one possible embodiment and is not intended to limit the present invention.

[Advantageous Effects of Embodiment]

One of the beneficial effects of the present invention is that the vehicle light device Z provided by the present invention can pass through "the light emitting unit 1 includes at least one first light emitting element 10 and at least one second light emitting element 11, at least one second light emitting element 11 Adjacent to at least one first light-emitting element 10. The first reflection unit 2 corresponds to at least one first light-emitting element 10. The second reflection unit 3 corresponds to at least one second light-emitting element 11. The lens module 4 has a light incident surface 40 And a light-emitting surface 41, the light-incident surface 40 faces the light-emitting unit 1, the first reflection unit 2 and the second reflection unit 3. Among them, at least one first light-emitting element The first light beam L1 generated by 10 is projected onto a first part 401 of the light incident surface 40 by the first reflection unit 2; wherein, the second light beam L2 generated by at least one second light emitting element 11 is projected by the second reflection The unit 3 is projected onto a second part 402" of the light incident surface 40, so as to achieve the effect of light expansion.

Another beneficial effect of the present invention lies in that the vehicle lamp device Z provided by the present invention can pass through "the light emitting unit 1 includes at least one first light emitting element 10 and at least one second light emitting element 11, at least one second light emitting element 11 Adjacent to at least one first light emitting element 10. The first optical unit 5 corresponds to at least one first light emitting element 10. The lens module 4 has a light incident surface 40 and a light exit surface 41, and the light incident surface 40 faces the light emitting unit 1 And at least one first light emitting element 10. Wherein, the first light beam L1 generated by at least one first light emitting element 10 is projected onto a first part 401 of the light incident surface 40 through the first optical unit 5. Wherein, the at least one The first light emitting element 10 has a first light emitting surface 100, the at least one second light emitting element 11 has a second light emitting surface 110, the first light emitting surface 100 and the second light emitting surface 110 directly face the light incident surface 40" A technical solution to adjust the light shape position of the dipped beam.

Furthermore, the vehicle light device Z provided by the present invention utilizes the first reflection unit 2 to collect a part of the first light beam L1 through the above-mentioned technical solution, and reflects the collected first light beam L1 to the light incident surface 40 The first part 401, and the second reflection unit 3 collects a part of the second light beam L2, and reflects the collected second light beam L2 to the second part 402 of the light incident surface 40, so that the lens module 4 projects The low beam light shape and the high beam light shape can be more diffused. Moreover, the vehicle lamp device Z of the present invention can also use the reflective surface 50 of the first optical unit 5 to reflect a part of the first light beam L1, so that the edge of the low beam light shape (that is, the cut-off line) can successfully correspond to below the HV point A fixed angle range, the fixed angle range can be -0.57°±0.3°.

The content disclosed above is only a preferred feasible embodiment of the present invention, and does not therefore limit the scope of the patent application of the present invention. Therefore, all equivalent technical changes made by using the description and drawings of the present invention are included in the application of the present invention. within the scope of the patent.

Z: Lighting device

1: Lighting unit

10: The first light-emitting element

11: Second light-emitting element

4: Lens module

4a: Optical axis

40: incident surface

401: Part 1

402: Part Two

41: Light-emitting surface

5: The first optical unit

Claims (7)

A vehicle lamp device, which includes: a light emitting unit including at least one first light emitting element and at least one second light emitting element, the at least one second light emitting element is adjacent to the at least one first light emitting element; a first optical unit , which corresponds to the at least one first light-emitting element; and a lens module, which has a light incident surface and a light exit surface, and the light incident surface faces the light emitting unit and the first optical unit; wherein, the at least one The first light beam generated by the first light-emitting element is projected onto a first part of the light incident surface by the first optical unit; wherein, the at least one first light-emitting element has a first light-emitting surface, and at least one of the second The light emitting element has a second light emitting surface, the first light emitting surface and the second light emitting surface directly face the light incident surface; wherein the first optical unit is located between the first light emitting surface and the second light emitting surface; wherein , the first optical unit has a reflective surface and a non-reflective surface, the reflective surface corresponds to the first light-emitting surface, and the non-reflective surface corresponds to the second light-emitting surface; wherein, when the number of the second light-emitting element is one , an optical axis of the lens module passes through the second light-emitting element; wherein, when the number of the second light-emitting elements is multiple, the optical axis of the lens module passes through two adjacent second light-emitting elements Between or one of the second light emitting elements. The vehicle light device according to claim 1, wherein the reflective surface is adjacent to the edge of the first light-emitting surface, and the non-reflective surface is adjacent to the edge of the second light-emitting surface. The vehicle light device as claimed in claim 1, wherein there is a predetermined angle between the optical axis and the reflective surface, and the predetermined angle is between 1 degree and 5 degrees. The vehicle light device according to claim 1, wherein the light incident surface is divided into the first part and a second part by the optical axis, and the first part is vertically projected on the at least A first light emitting element, the second part is vertically projected on the at least one second light emitting element. The vehicle lamp device as claimed in claim 1, wherein when the first light emitting surface of the at least one first light emitting element projects a plurality of the first light beams, a part of the first light beams will directly project on the incident light the first part of the surface; wherein, when the second light emitting surface of the at least one second light emitting element projects a plurality of second light beams, a part of the second light beams will directly project on the second part of the light incident surface . The vehicle light device as claimed in claim 5, wherein the plurality of first light beams projected onto the first part of the light-incident surface are emitted from the light-emitting surface to form a low-beam light shape; The plurality of second light beams in the second part of the surface are emitted from the light-emitting surface to form a high-beam light shape. The vehicle light device according to claim 1, wherein when the second light emitting surface of the at least one second light emitting element projects a plurality of second light beams, the second light beams projected to the non-reflective surface will be captured by the reflective surface block or absorb.

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