CN110296369A - Light projection device - Google Patents
Light projection device Download PDFInfo
- Publication number
- CN110296369A CN110296369A CN201811547065.2A CN201811547065A CN110296369A CN 110296369 A CN110296369 A CN 110296369A CN 201811547065 A CN201811547065 A CN 201811547065A CN 110296369 A CN110296369 A CN 110296369A
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- Prior art keywords
- light
- catoptric arrangement
- reflection
- unit
- projection device
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- 238000004020 luminiscence type Methods 0.000 claims abstract description 19
- 230000000903 blocking effect Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 24
- 230000033228 biological regulation Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 150000001875 compounds Chemical class 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 239000000571 coke Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/25—Projection lenses
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
- F21W2102/20—Illuminance distribution within the emitted light
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses a kind of light projection devices comprising a base unit, a luminescence unit, one first reflector element and a lens unit.Luminescence unit is arranged on base unit, and luminescence unit includes one first light emitting structure, and the first light emitting structure has one first light-emitting surface.First reflector element is arranged on base unit, and the first reflector element is arranged corresponding to luminescence unit.Lens unit corresponds to the first reflector element, and lens unit has a lens axis.Wherein, the first light-emitting surface is inclined to set with lens axis.Whereby, the present invention can improve the collection efficiency of light projection device.
Description
Technical field
The present invention relates to a kind of light projection devices, project more particularly to a kind of light that can apply on car lamp device
Device.
Background technique
Firstly, the demand of the prior art whether car lamp device (far lamp far lamp auxiliary lamp) or searchlight etc. is all
It is required that optically focused, to achieve the purpose that telecurie irradiation.
Then, in as disclosed by TW M536630 Patent Case " car lamp device ", the light-emitting surface of light source S is and optical axis I
It is set in parallel, in addition, as shown in Figure 3A, it can be found that the first reflecting surface 811 of the first reflecting part 810 and the second reflecting part
820 the second reflecting surface 821 is not completely covered by light source S, and makes light caused by light source S can not be completely by first
Reflecting surface 811 and the second reflecting surface 821 are reflected, and form the light being projected on lens 200.In other words, the prior art
The spotlight effect of light projection device and bad, that is to say, that the receipts light efficiency of existing light projection device is bad.
Therefore, how the light projection device that a kind of utilization there can be high efficiency light collecting effect is provided, it is above-mentioned to overcome
Defect, already become this technical field personage important topic to be solved.
Summary of the invention
Technical problem to be solved by the present invention lies in provide a kind of light projection device in view of the deficiencies of the prior art.
In order to solve the above technical problems, a wherein technical solution of the present invention is to provide a kind of light throwing
Injection device a comprising base unit, a luminescence unit, one first reflector element and a lens unit.The luminescence unit
It is arranged on the base unit, the luminescence unit includes one first light emitting structure, and first light emitting structure has one
First light-emitting surface.First reflector element is arranged on the base unit, and first reflector element is corresponding to described
Luminescence unit setting.The lens unit corresponds to first reflector element, and the lens unit has a lens axis.Its
In, first light-emitting surface is inclined to set with the lens axis.
Further, first light-emitting surface is a Lambertian source, and the Lambertian source can at least generate minus 80 degree extremely
One first light between 80 degree, and first reflector element at least covers the minus between 70 degree to 70 degree of the Lambertian source
First light.
Further, first reflector element includes one first catoptric arrangement and one second catoptric arrangement, described
First catoptric arrangement is different from the curvature of second catoptric arrangement.
Further, first reflector element includes one first catoptric arrangement, and first catoptric arrangement has one
First focus and one second focus corresponding to first focus, the lens unit also have a lens focus, and institute
Lens focus is stated to be located on the lens axis；Wherein, second focus of first catoptric arrangement corresponds to described
Mirror foci.
Further, first reflector element includes one first catoptric arrangement and one second catoptric arrangement, described
First catoptric arrangement is different from the curvature of second catoptric arrangement.
Further, the light projection device further include: a shield unit, the shield unit are arranged in the base
On seat unit, one first light caused by first light emitting structure projects a tool by blocking for the shield unit
There is the light type of the profile of "cut-off"line section.
Further, first reflector element further includes a third catoptric arrangement, the first catoptric arrangement setting
Between second catoptric arrangement and the third catoptric arrangement, and first catoptric arrangement, second catoptric arrangement
And the curvature of the third catoptric arrangement is different from each other.
Further, first light emitting structure can generate one first light, and first light includes described in
First catoptric arrangement direction projection one first throw light and towards second catoptric arrangement direction project one
Second throw light；Wherein, first throw light is formed by the reflection of first catoptric arrangement towards described
One first reflection light of the direction projection of mirror unit；Wherein, second throw light passes through second catoptric arrangement
It reflects and forms one second reflection light that the direction towards the lens unit projects.
Further, the shield unit includes a shield ontology and the remaining light that is arranged on the shield ontology
Reflecting plate；Wherein, the third catoptric arrangement includes one first reflecting part and is connected to the one second of first reflecting part
Reflecting part, and first reflecting part is different from the slope of second reflecting part；Wherein, first light emitting structure can generate
One first light, first light include towards first catoptric arrangement direction project one first throw light and
The third throw light projected towards the direction of first catoptric arrangement；Wherein, first throw light passes through described
The reflection of first catoptric arrangement and formed towards the lens unit direction projection one first reflection light；Wherein, described
Third throw light is formed by the reflection of second catoptric arrangement towards the described second anti-of the third catoptric arrangement
A third reflection light of the direction projection in portion is penetrated, the third reflection light passes through described the second of the third catoptric arrangement
The reflection of reflecting part and formed towards the remaining light reflecting plate of the shield unit direction projection one the 4th reflection light,
4th reflection light is formed by the reflection of the remaining light reflecting plate of the shield unit towards the lens unit
Direction projection one the 5th reflection light.
Further, the shield unit includes a shield ontology and the remaining light that is arranged on the shield ontology
Reflecting plate；Wherein, the third catoptric arrangement includes one second reflecting part；Wherein, first light emitting structure can generate one
One light, first light include one first throw light projected towards the direction of first catoptric arrangement and direction
One the 5th throw light of the direction projection of second reflecting part of the third catoptric arrangement；Wherein, first projection
Light forms one first reflected light towards the projection of the direction of the lens unit by the reflection of first catoptric arrangement
Line；Wherein, the 5th throw light forms the institute towards the shield unit by the reflection of the third catoptric arrangement
One the 9th reflection light of the direction projection of remaining light reflecting plate is stated, the 9th reflection light is described by the shield unit
The reflection of remaining light reflecting plate and formed towards the lens unit direction projection 1 the tenth reflection light.
Further, the light projection device further include: a shield unit and one second reflector element, the screening
Plate unit is arranged on the base unit, and second reflector element is arranged on the base unit, and described second is anti-
It penetrates unit to be arranged between the shield unit and first reflector element, wherein first reflector element further includes one
Third catoptric arrangement, first catoptric arrangement are arranged between second catoptric arrangement and the third catoptric arrangement, and
The curvature of first catoptric arrangement, second catoptric arrangement and the third catoptric arrangement is different from each other；Wherein, described
Three catoptric arrangements include one first reflecting part.
Further, first light emitting structure can generate one first light, and first light includes described in
First catoptric arrangement direction projection one first throw light and towards second catoptric arrangement direction project one
4th throw light；Wherein, first throw light is formed by the reflection of first catoptric arrangement towards described
One first reflection light of the direction projection of mirror unit；Wherein, the 4th throw light passes through second catoptric arrangement
It reflects and forms one the 6th reflection light towards the projection of the direction of first reflecting part of the third catoptric arrangement, it is described
6th reflection light is formed by the reflection of first reflecting part of the third catoptric arrangement towards second reflection
One the 7th reflection light of the direction projection of unit, the reflection shape that the 7th reflection light passes through second reflector element
At one the 8th reflection light projected towards the direction of the lens unit.
Further, the light projection device a further include: third reflecting unit, the luminescence unit further include one
Second light emitting structure, wherein the third reflecting unit is arranged on the base unit, and second light emitting structure has one
Second light-emitting surface, second light-emitting surface are inclined to set with the lens axis.
Further, second light emitting structure can generate one second light, and second light includes described in
One the 6th throw light of the direction projection of third reflecting unit, the 6th throw light pass through the third reflecting unit
It reflects and forms 1 the 11st reflection light that the direction towards the lens unit projects.
Further, the lens axis passes through first light-emitting surface.
Further, the lens axis passes through second catoptric arrangement.
Further, first light-emitting surface is a Lambertian source, and the Lambertian source can generate one first light, and
First reflector element at least covers first light of 60% or more of the Lambertian source.
A wherein beneficial effect of the invention is that light projection device provided by the embodiment of the present invention can utilize
The technical solution of " first light-emitting surface and the lens axis are inclined to set ", and the light harvesting of light projection device can be improved
Efficiency.
Be further understood that feature and technology contents of the invention to be enabled, please refer to below in connection with it is of the invention specifically
Bright and attached drawing, however provided attached drawing is merely provided for reference and description, is not intended to limit the present invention.
Detailed description of the invention
Fig. 1 is a wherein Three-dimensional combination diagram for first embodiment of the invention light projection device.
Fig. 2 is a wherein perspective exploded view for first embodiment of the invention light projection device.
Fig. 3 is an other perspective exploded view for first embodiment of the invention light projection device.
Fig. 4 is an other Three-dimensional combination diagram for first embodiment of the invention light projection device.
Fig. 5 is another Three-dimensional combination diagram of first embodiment of the invention light projection device.
Fig. 6 is another perspective exploded view of first embodiment of the invention light projection device.
Fig. 7 is the another perspective exploded view of first embodiment of the invention light projection device.
Fig. 8 is a wherein perspective cross section schematic diagram for first embodiment of the invention light projection device.
Fig. 9 is that a wherein light for first embodiment of the invention light projection device projects schematic diagram.
Figure 10 is that an other light for first embodiment of the invention light projection device projects schematic diagram.
Figure 11 is that the light of an other embodiment for first embodiment of the invention light projection device projects schematic diagram.
Figure 12 is the partial enlargement diagram of the part XII of Fig. 9.
Figure 13 is a wherein Three-dimensional combination diagram for second embodiment of the invention light projection device.
Figure 14 is a wherein perspective exploded view for second embodiment of the invention light projection device.
Figure 15 is an other perspective exploded view for second embodiment of the invention light projection device.
Figure 16 is a wherein perspective cross section schematic diagram for second embodiment of the invention light projection device.
Figure 17 is that a wherein light for second embodiment of the invention light projection device projects schematic diagram.
Figure 18 is that an other light for second embodiment of the invention light projection device projects schematic diagram.
Figure 19 is that another light of second embodiment of the invention light projection device projects schematic diagram.
Figure 20 is that the another light of second embodiment of the invention light projection device projects schematic diagram.
Figure 21 is that other another light of second embodiment of the invention light projection device projects schematic diagram.
Figure 22 is that the other another light of second embodiment of the invention light projection device projects schematic diagram.
Figure 23 is a wherein Three-dimensional combination diagram for third embodiment of the invention light projection device.
Figure 24 is a wherein perspective exploded view for third embodiment of the invention light projection device.
Figure 25 is an other perspective exploded view for third embodiment of the invention light projection device.
Figure 26 is a wherein perspective cross section schematic diagram for third embodiment of the invention light projection device.
Figure 27 is that a wherein light for second embodiment of the invention light projection device projects schematic diagram.
Figure 28 is that an other light for second embodiment of the invention light projection device projects schematic diagram.
Specific embodiment
It is to illustrate the presently disclosed implementation in relation to " light projection device " by particular specific embodiment below
Mode, those skilled in the art can understand advantages of the present invention and effect by content disclosed in this specification.The present invention can lead to
It crosses other different specific embodiments to be implemented or applied, the various details in this specification may be based on different viewpoints and answer
With, carry out without departing from the spirit of the present invention it is various modification and change.In addition, attached drawing of the invention is only that simple signal is said
It is bright, not according to the description of actual size, stated.Related skill of the invention will be explained in further detail in the following embodiments and the accompanying drawings
Art content, but the technical scope that disclosure of that is not intended to limit the invention.
It should be understood that although various elements or signal etc. may be described using term first, second, third, etc. herein,
But these elements or signal should not be limited by these terms.These terms are to distinguish an element and another element, Huo Zheyi
Signal and another signal.In addition, as used herein, term "or" may include depending on actual conditions and associated list project
Any of or multiple all combinations.
First embodiment
Firstly, please referring to shown in Fig. 1 to Fig. 8, Fig. 1 to Fig. 7 is respectively first embodiment of the invention light projection device
Stereoscopic schematic diagram, Fig. 8 are the perspective cross section schematic diagram of first embodiment of the invention light projection device.The present invention provides a kind of light
Line grenade instrumentation U a comprising base unit 1, a luminescence unit 2, one first reflector element 3 and a lens unit 4.Citing
For, light projection device U can be applied to automobile head light, and so invention is not limited thereto.
Hold it is above-mentioned, referring back to shown in Fig. 1 to Fig. 8, it is worth noting that, base unit 1 also may include multiple heat dissipations
Structure (unlabeled in figure), and multiple radiator structures may be, for example, a radiating fin, to promote the heat dissipation effect of light projection device
Rate.In addition, luminescence unit 2 may be provided on base unit 1, luminescence unit 2 may include one first light emitting structure 21, and first sends out
Photo structure 21 can have one first light-emitting surface 21S, and for the embodiment of the present invention, the first light emitting structure 21 may be provided at pedestal list
On first loading end 11 of member 1.In addition, for example, the first light emitting structure 21 can be a Light-Emitting Diode (Light-
Emitting diode, LED), therefore, the lighting kenel of the first light-emitting surface 21S is uniform area light source.With the embodiment of the present invention
Speech, the first light emitting structure 21 can be a Lambertian radiator (Lambert radiator) or approximate Lambertian radiator, the first hair
Smooth surface 21S can be a Lambertian source, and the Lambertian source of the first light-emitting surface 21S at least has one the between minus 80 degree to 80 degree
One light L1, it is preferable that the Lambertian source of the first light-emitting surface 21S can have the first light L1 between minus 90 degree to 90 degree.Separately
Outside, specifically, 0 degree of direction of Lambertian source can be the normal direction of the first light-emitting surface 21S, and Lambertian source
Minus 90 degree and 90 degree be respectively the first light-emitting surface 21S tangential direction.For the embodiment of the present invention, the first light-emitting surface 21S's
Minus 90 degree of position is defined as the side further away from lens unit 4, and 90 degree of the position of the first light-emitting surface 21S is defined as more neighbouring
The side of lens unit 4.
Hold above-mentioned, the first reflector element 3 may be provided on base unit 1, and the first reflector element 3 corresponds to luminescence unit
2 settings.In addition, lens unit 4 can correspond to the first reflector element 3, for first embodiment, lens unit 4 be may be provided at
On base unit 1.In addition, for a wherein way of example for first embodiment of the invention, the first reflector element 3 may include
One first catoptric arrangement 31 and one second catoptric arrangement 32, and the curvature of the first catoptric arrangement 31 and the second catoptric arrangement 32 is not
Together.For example, the first catoptric arrangement 31 can be made of the curved surface or single curved surface of multiple and different curvature, be may be, for example, and passed through
Curved surface or curvature based on ellipse form catoptric arrangement.In addition, the second catoptric arrangement 32 can also be by multiple and different curvature
Curved surface or single curved surface formed, may be, for example, a free form surface either curved surface based on ellipse or curvature composition be anti-
Structure is penetrated, the present invention is not limited with the kenel of the second catoptric arrangement 32.In addition, should be specified, in other embodiments
In (as shown in figure 11), the first reflector element 3 can also not have the second catoptric arrangement 32, that is to say, that the first catoptric arrangement
31 set-up modes identical or for continual curvature with the curvature of the second catoptric arrangement 32.
Hold above-mentioned, furthermore, it is understood that light projection device U can also further comprise a shield unit 5, shield unit 5 can
It is arranged on base unit 1, one first light L1 (please referring to shown in Fig. 9) caused by the first light emitting structure 21 passes through shield list
First 5 light type that blocking and projecting a profile with "cut-off"line section.In other words, shield unit 5 cuts for a light and shade
Only line shield (cut-off plate), and cutting edge (unlabeled in figure) shape on the shield ontology 51 for passing through shield unit 5
Design on shape, and generate the light type for meeting regulation.In addition, it is worth noting that, shield unit 5 can be a fixed screening
Plate (can not rotate, a be not shown in the figure) either movable shield, when shield unit 5 is a fixed shield, light
Line grenade instrumentation U can produce the light type for meeting car headlamp low beam regulation.In addition, when shield unit 5 is movable shield
When, shield unit 5 can be arranged on base unit 1 with swinging back and forth along a rotary shaft I, and it is close to meet car headlamp with generation
The light type of lamp regulation and far lamp regulation.That is, shield unit 5 can be in a first position (low beam state position) and one
Reciprocally swinging between two positions (far lamp state position), whereby, by the rotation (as shown in FIG. 9 and 10) of shield unit 5, with
Switch the low beam and far lamp state of car headlamp.It should be noted that the present invention using shield unit 5 be movable shield as
For example, so invention is not limited thereto.
Then, referring back to shown in Fig. 1 to Fig. 8, and also referring to shown in Fig. 9, Fig. 9 is first embodiment of the invention light
A wherein light for line grenade instrumentation projects schematic diagram, in addition, Fig. 9 is the state that shield unit 5 is located at first position.Further
For, lens unit 4 can have a lens axis A, and lens axis A can be by the first light-emitting surface 21S or adjacent to the first hair
Smooth surface 21S.For example, as shown in figure 8, at least a part of the first light-emitting surface 21S can position in lens axis A hereinafter, and
At least a part of the first light-emitting surface 21S are in the lens axis A or more.In addition, for the embodiment of the present invention, first
Light-emitting surface 21S can be inclined to set with lens axis A, so that the first hair can be completely covered in the first reflector element 3 as much as possible
First light L1 caused by photo structure 21.
Hold it is above-mentioned, referring back to shown in Fig. 9, for example, for first embodiment, the first reflector element 3 may include
One first catoptric arrangement 31 and one second catoptric arrangement 32.First catoptric arrangement 31 can have one first focus 31a and one
The second focus 31b corresponding to the first focus 31a.Second catoptric arrangement 32 can have a third focus 32a and one to correspond to
The 4th focus 32b of third focus 32a.Lens unit 4 can be further provided with a lens focus 4a, and lens focus 4a is located at
On lens axis A.In addition, the first light emitting structure 21 can correspond to the first focus 31a of the first catoptric arrangement 31, meanwhile, first
Light emitting structure 21 can also correspond to the third focus 32a of the second catoptric arrangement 32.In addition, the second focus of the first catoptric arrangement 31
31b can correspond to lens focus 4a, meanwhile, the 4th focus 32b of the second catoptric arrangement 32 can also correspond to lens focus 4a.It is excellent
Selection of land, the first light emitting structure 21 may be provided on the first focus 31a and third focus 32a, in addition, the second focus 31b, the 4th coke
Point 32b and lens focus 4a can be coincided with one another or be disposed adjacent, and so invention is not limited thereto.
Furthermore, it is understood that it should be noted that, in other embodiments, the second catoptric arrangement 32 or non-oval song
Rate, and it is an aspherical free form surface.However, it should be noted that, the first light emitting structure 21 projects the second catoptric arrangement
32 light can still be reflected by the second catoptric arrangement 32, and be projected to lens unit 4.Moreover it is preferred that lens axis A can
By the second catoptric arrangement 32, so that second catoptric arrangement 32 of a portion is located at the wherein side of lens axis A, and
So that the second catoptric arrangement 32 of another part is located at the other side of lens axis A.In other words, as shown in figure 9, second
Catoptric arrangement 32 can have the first end 321 and one of a top for being located at lens axis A positioned at the lower section of lens axis A
The second end 322.
Hold above-mentioned, as shown in figure 9, when under low beam state, the first light emitting structure 21 can generate one first light L1, first
Light L1 may include that the first throw light L111 and one that the direction of first catoptric arrangement 31 of direction projects is anti-towards second
Penetrate the second throw light L121 of the direction projection of structure 32.First throw light L111 can pass through the anti-of the first catoptric arrangement 31
It penetrates, to form a first reflection light L112 projected towards the direction of lens unit 4.Second throw light L121 can pass through
The reflection of two catoptric arrangements 32, to form a second reflection light L122 towards lens unit 4.It should be noted that due to hiding
Plate unit 5 is located at first position, therefore, the first reflection light L112 of a portion and second reflected light of a portion
Line L122 will receive the (not shown) of blocking of shield unit 5, and light projection device U generation is made to meet car headlamp
The light type of low beam regulation.In addition, please referring to shown in Figure 10, when under far lamp state, the first light emitting structure 21 can also generate one
One light L1.It should be noted that since shield unit 5 is located at the second position, first reflection light of a portion
L112 and the second reflection light L122 of a portion not will receive blocking for shield unit 5, and make light projection device U
Generate the light type for meeting car headlamp far lamp regulation.
Then, it please refers to shown in Figure 11, in other embodiments, the first reflector element 3 can also be only anti-with first
Structure 31 is penetrated, and the first light-emitting surface 21S can be inclined to set with lens axis A, so that the first reflector element 3 can be as much as possible
The first light L1 of the first light emitting structure 21 is completely covered.It should be noted that although the first reflector element 3 in Figure 11 only has
First catoptric arrangement 31, and the first light L1 of the first light emitting structure 21 is not completely covered for the first catoptric arrangement 31, still,
Shown in attached drawing by way of example only, in practical application, the size of the first catoptric arrangement 31 can increase, with as much as possible completely
Cover the first light L1 of the first light emitting structure 21.Furthermore, for example, can have between the first light-emitting surface 21S and lens axis A
There is first predetermined angle theta 1 between 15 degree to 60 degree.Preferably, the first predetermined angle theta 1 can be between 40 degree to 50 degree
Between, it is highly preferred that the first predetermined angle theta 1 can be 45 degree.That is, the normal direction of the first light-emitting surface 21S is relative to saturating
Extend at the oblique upper rear that mirror unit 4 is directed towards lens unit 4.In addition, it should be noted that, the first throw light L111 and
The path of one reflection light L112 is similar with preceding description, and details are not described herein.
Then, it please refers to shown in Figure 12, Figure 12 is the partial enlargement diagram of the part XII of Fig. 9.With the embodiment of the present invention
For, the first light-emitting surface 21S, which can define, a normal N and a tangent line T, and minus 90 degree of Lambertian source and 90 degree are respectively first
The anti-tangential direction of the two-phase of light-emitting surface 21S.Furthermore, it is understood that the first reflector element 3, which can have, at least covers the first light emitting structure
One angle of coverage α of 21 Lambertian source.For example, the first reflector element 3 can at least cover the bright of the first light emitting structure 21
The first light L1 (i.e. angle of coverage α can be between minus between 70 degree to 70 degree) between minus 70 degree to 70 degree of primary light source, preferably
Ground, the first reflector element 3 can at least cover the first light between minus 85 degree to 85 degree of the Lambertian source of the first light emitting structure 21
Line L1 (i.e. angle of coverage α can be between minus between 85 degree to 85 degree).Furthermore light efficiency maximization is received to ask, it is preferable that first is anti-
The the first light L1 penetrated between minus 90 to 90 degree for the Lambertian source that unit 3 can at least cover the first light emitting structure 21 (is covered
Angle [alpha] can be between minus 90 to 90 degree).In addition, in other embodiments, the first reflector element 3 at least covers lambert's light
The first light L1 of 60% or more of source, it is preferable that the first reflector element 3 can at least cover the first hair of the first light emitting structure 21
60%~85% light of smooth surface 21S, it is highly preferred that 85%~95% or more the first light L1 can be covered, more preferably
Ground can cover 95% or more the first light L1.
In addition, for example, the first catoptric arrangement 31 of the first reflector element 3 can at least cover the first light emitting structure 21
Minus 20 degree to 80 degree of Lambertian source between the first light L1, the second catoptric arrangement 32 of the first reflector element 3 can be at least
Cover the first light L1 between minus 80 degree to minus 40 degree of the Lambertian source of the first light emitting structure 21.Preferably, the first reflection
First catoptric arrangement 31 of unit 3 can at least cover the minus between 30 degree to 90 degree of the Lambertian source of the first light emitting structure 21
First light L1, the second catoptric arrangement 32 of the first reflector element 3 can at least cover the Lambertian source of the first light emitting structure 21
The first light L1 between minus 90 degree to minus 30 degree.In addition, in other embodiments, the first reflection of the first reflector element 3
Structure 31, can at least cover the first light L1 between minus 20 degree to 90 degree of the Lambertian source of the first light emitting structure 21, and first
Second catoptric arrangement 32 of reflector element 3 can at least cover minus 90 degree to minus 40 degree of the Lambertian source of the first light emitting structure 21
Between the first light L1.It should be noted that the present invention is not exemplified as limiting with above-mentioned.
Then, referring back to shown in Fig. 3 and Fig. 4, furthermore, it is understood that the lens axis A due to this case can pass through the first hair
Photo structure 21 (i.e. the first light emitting structure 21 is arranged on lens axis A), it is therefore preferred that for the first light emitting structure to be arranged
The two sides of 21 the first loading end 11 can preferably be respectively provided with one first recess portion 111 and the second recess portion 112.Whereby, pass through first
The setting of recess portion 111 and the second recess portion 112 can be projected on the second catoptric arrangement 32, and by 32 institute of the second catoptric arrangement
The light of reflection can not be blocked by the first loading end 11.
Second embodiment
Firstly, please referring to shown in Figure 13 to Figure 16, second embodiment of the invention provides a kind of light projection device U, by scheming
16 compared with Fig. 8 it is found that second embodiment and first embodiment it is maximum the difference is that: light provided by second embodiment
Grenade instrumentation U can also further comprise one second reflector element 6, and the first reflector element 3 can also further comprise that a third is anti-
Penetrate structure 33.In addition, should be specified, the explanation of other structures feature and previous embodiment provided by second embodiment
Content is similar, and details are not described herein.
Hold above-mentioned, specifically, as shown in figure 13 to figure 16, the second reflector element 6 may be provided on base unit 1, and
Second reflector element 6 is arranged between shield unit 5 and the first reflector element 3, and more specifically, the second reflector element 6 can
It is arranged between the first light emitting structure 21 and shield unit 5.In addition, the first reflector element 3 can also further comprise that a third is anti-
Structure 33 is penetrated, the first catoptric arrangement 31 may be provided between the second catoptric arrangement 32 and third catoptric arrangement 33, and the first reflection
The curvature of structure 31, the second catoptric arrangement 32 and third catoptric arrangement 33 is different from each other.It is noted that the second reflector element
6 can the non-spherical surface as composed by the curved surface or single curved surface of multiple and different curvature, may be, for example, a free form surface or
It is catoptric arrangement (i.e. based on the compound ellipsoid curve composed song of the compound curved surface composition based on oval or positive round
Curved surface composed by face or compound conic section, or the compound curved surface structure as composed by ellipsoid curve and conic section),
In addition, in other embodiments, the second reflector element 6 is also possible to a planar structure, furthermore, third catoptric arrangement 33 can be with
It is a flat surface catoptric arrangement, the present invention is not exemplified as limiting with above-mentioned.Moreover it is preferred that the second reflector element 6 is aspherical song
Face.
Then, referring back to shown in Figure 13 to Figure 16, and also referring to shown in Figure 17 and Figure 18, Figure 17 is shield unit
5 embodiment in low beam state, Figure 18 are embodiment of the shield unit 5 in far lamp state.It is worth noting that such as
Shown in Figure 17, the projecting direction of the first throw light L111 and the first reflection light L112 caused by the first light emitting structure 21 are such as
With aforementioned, details are not described herein.Then, as shown in figure 18, for example, third catoptric arrangement 33 may include one first reflecting part
(unlabeled in figure), however, in other embodiments, third catoptric arrangement 33 may also include one and be connected to the first reflecting part
331 the second reflecting part 332 (please referring to shown in Figure 19 and Figure 20), and the slope of the first reflecting part 331 and the second reflecting part 332
It is different.
Hold it is above-mentioned, referring back to shown in Figure 18, third catoptric arrangement 33 described further below and the second reflector element 6
Effect, and be illustrated with the embodiment that third catoptric arrangement 33 may include one first reflecting part.Specifically, the first hair
Photo structure 21 can generate one first light L1, the first light L1 may include one projected towards the direction of the second catoptric arrangement 32 the
Four throw light L141, the 4th throw light L141 can be anti-towards third to form one by the reflection of the second catoptric arrangement 32
The 6th reflection light L142 of the direction projection of the first reflecting part 331 of structure 33 is penetrated, the 6th reflection light L142 passes through third
The reflection of first reflecting part 331 of catoptric arrangement 33, to form the 7th reflection projected towards the direction of the second reflector element 6
Light L143, the 7th reflection light L143 pass through the reflection of the second reflector element 6, to form one towards the direction of lens unit 4
8th reflection light L144 of projection.It in other words, can be with by the setting of third catoptric arrangement 33 and the second reflector element 6
Increase collection efficiency and spotlight effect of the light projection device U in far lamp state.
In addition, should be specified, far lamp in a second embodiment can be further by the second catoptric arrangement 32,
Three catoptric arrangements 33 and the second reflector element 6 are formed.Therefore, the actual 4th focus 32b of the second catoptric arrangement 32 is not
Meeting position is formed on lens axis A by the reflection of third catoptric arrangement 33 and the focusing of the second reflector element 6
On mirror optical axis A.That is, the 4th focus 32b shown in Figure 18 is a virtual focus point.Furthermore, it is understood that the second catoptric arrangement
32 actual 4th focus 32b can be situated between the second catoptric arrangement 32 and third catoptric arrangement 33 or position is
Except three catoptric arrangements 33, invention is not limited thereto.
Then, it please refers to shown in Figure 19 and Figure 20, Figure 19 is embodiment of the shield unit 5 in low beam state, Figure 20
For embodiment of the shield unit 5 in far lamp state.Below will with third catoptric arrangement 33 include one first reflecting part 331 with
And one be connected to the first reflecting part 331 the second reflecting part 332, and the slope of the first reflecting part 331 and the second reflecting part 332 is not
Same embodiment is illustrated.In addition, shield unit 5 may include a shield ontology 51 and one for second embodiment
Remaining light reflecting plate 52 on shield ontology 51 is set, dark space remaining light can be further provided for by the setting of remaining light reflecting plate 52
The illumination in region (region Zone III in regulation).In addition, furthermore, it is understood that remaining light reflects when being located at a low beam state
Plate 52 can also have an angle (unlabeled in figure) between 2 degree to 60 degree between lens axis A, so the present invention not with
This is limited.In other words, the angle of remaining light reflecting plate 52 can determine it according to the second reflecting part 332 of third catoptric arrangement 33
Angle.
Specifically, as shown in figure 19, the first light emitting structure 21 can generate one first light L1, the first light L1 and may include
One the first throw light L111 and one projected towards the direction of the first catoptric arrangement 31 is towards to the first catoptric arrangement 31
The third throw light L131 of direction projection.First throw light L111 passes through the reflection of the first catoptric arrangement 31, to form one
The the first reflection light L112 projected towards the direction of lens unit 4.Third throw light L131 passes through the first catoptric arrangement 31
Reflection, with formed one towards third catoptric arrangement 33 the second reflecting part 332 direction projection third reflection light L132,
Third reflection light L132 passes through the reflection of the second reflecting part 332 of third catoptric arrangement 33, to form one towards shield unit 5
Remaining light reflecting plate 52 direction projection the 4th reflection light L133, the 4th reflection light L133 can pass through shield unit 5
The reflection of remaining light reflecting plate 52, to form a 5th reflection light L134 projected towards the direction of lens unit 4.In addition, value
It must illustrate, those of ordinary skill in the art, when the mode for understanding other formation dark space remaining light regions, this hair
It is bright not to be limited with the generation type in above-mentioned dark space remaining light region.
Then, as shown in figure 20, the first light L1, which may also comprise, includes one towards the projection of the direction of the second catoptric arrangement 32
4th throw light L141, the 4th throw light L141 can be by the reflections of the second catoptric arrangement 32, to form one towards third
6th reflection light L142 of the direction projection of the first reflecting part 331 of catoptric arrangement 33, the 6th reflection light L142 pass through the
The reflection of first reflecting part 331 of three catoptric arrangements 33, it is anti-to form the 7th of direction projection the of second reflector element 6 of direction the
Light L143 is penetrated, the 7th reflection light L143 passes through the reflection of the second reflector element 6, to form one towards the side of lens unit 4
To the 8th reflection light L144 of projection.It should be noted that the embodiment of Figure 20 is similar with Figure 18, details are not described herein.
Then, it please refers to shown in Figure 21, by Figure 21 it is found that the embodiment and Figure 18 of Figure 21 compared with Figure 18 and Figure 19
And Figure 19 embodiment it is maximum the difference is that, light projection device U in the embodiment of Figure 21 can only include the
Three catoptric arrangements 33 are without including the second reflector element 6.Whereby, for the embodiment of Figure 21, third catoptric arrangement 33 can
Only there is one second reflecting part (unlabeled in figure), to pass through the remaining light reflecting plate 52 of third catoptric arrangement 33 and shield unit 5
And further provide for the illumination in dark space remaining light region.In addition, the embodiment for acting as earlier figures 19 of the second reflecting part 332
It is illustrated, that is to say, that third throw light L131 passes through the reflection of the first catoptric arrangement 31, is reflected with forming one towards third
Third the reflection light L132, third reflection light L132 of the direction projection of second reflecting part 332 of structure 33 are anti-by third
The reflection of the second reflecting part 332 of structure 33 is penetrated, is projected with the direction of formation one towards the remaining light reflecting plate 52 of shield unit 5
4th reflection light L133, the 4th reflection light L133 can be by the reflections of the remaining light reflecting plate 52 of shield unit 5, to form one
The 5th reflection light L134 projected towards the direction of lens unit 4.
In addition, please referring to shown in Figure 22, below by further other shapes lifted an embodiment and illustrate dark space remaining light region
At mode.As shown in figure 22, third catoptric arrangement 33 may connect on the first catoptric arrangement 31, and third catoptric arrangement 33 can be with
Including one second reflecting part 332, for the embodiment of Figure 22, the shape of the first catoptric arrangement 31 and third catoptric arrangement 33
It can be slightly different from aforementioned embodiments.Furthermore, it is understood that the first light emitting structure 21 can generate one first light L1, the first light
L1 may include that the first throw light L11 and one that the direction of first catoptric arrangement 31 of direction projects reflects knot towards to third
5th throw light L151 of the direction projection of the second reflecting part 332 of structure 33.First throw light L111 passes through the first reflection
The reflection of structure 31, to form a first reflection light L112 projected towards the direction of lens unit 4.5th throw light
L151 is reflected by the second reflecting part 332 of third catoptric arrangement 33, to form a remaining light reflecting plate 52 towards shield unit 5
Direction projection the 9th reflection light L152, the 9th reflection light L152 can pass through the remaining light reflecting plate 52 of shield unit 5
Reflection, to form a tenth reflection light L153 projected towards the direction of lens unit 4.
3rd embodiment
Firstly, please referring to shown in Figure 23 to Figure 26, third embodiment of the invention provides a kind of light projection device U, by scheming
24 compared with Figure 21 it is found that 3rd embodiment and first embodiment it is maximum the difference is that: light provided by 3rd embodiment
Line grenade instrumentation U can also further comprise a third reflecting unit 7, and luminescence unit 2 can also further comprise a setting in base
The second light emitting structure 22 on second loading end 12 of seat unit 1.In addition, should be specified, 3rd embodiment is provided
Other structures feature and previous embodiment description it is similar, details are not described herein.In other words, 3rd embodiment is mentioned
The light projection device U of confession also may include a third catoptric arrangement 33.
Hold above-mentioned, referring back to shown in Figure 26 to Figure 26, third reflecting unit 7 be may be provided on base unit 1, the second hair
Photo structure 22 may also be arranged on base unit 1, and the second light emitting structure 22 has one second light-emitting surface 22S.In addition, citing comes
It says, the second light emitting structure 22 can be a Light-Emitting Diode, and therefore, the lighting kenel of the first light-emitting surface 21S is uniform area light source.With
For the embodiment of the present invention, the second light emitting structure 22 can be a Lambertian radiator (Lambert radiator) or approximate Lambertian
Radiator, the second light-emitting surface 22S can be a Lambertian source, and the Lambertian source of the second light-emitting surface 22S at least have minus 80 degree extremely
One second light L2 between 80 degree.Furthermore, it is understood that the second light-emitting surface 22S can be with lens light for the embodiment of the present invention
Axis A is inclined to set.For example, can have between the second light-emitting surface 22S and lens axis A one between 0 degree (i.e. second shine
Face 22S is parallel with lens axis A) to the second predetermined angle theta 2 between 60 degree.That is, the normal of the second light-emitting surface 22S
Extend relative to the oblique upper rear that lens unit 4 is directed towards lens unit 4 in direction.
It holds above-mentioned, for example, third reflecting unit 7 can be made of the curved surface or single curved surface of multiple and different curvature,
It may be, for example, through the curved surface or curvature composition catoptric arrangement based on ellipse.To have below with third reflecting unit 7 ellipse
The embodiment of round surface is as an example.Specifically, third reflecting unit 7 can have one the 5th focus 7a and a pair
The 6th focus 7b of five focus 7a of Ying Yu.Second light emitting structure 22 can correspond to the 5th focus 7a of third reflecting unit 7, this
Outside, the 6th focus 7b of third reflecting unit 7 can correspond to lens focus 4a.Preferably, the second light emitting structure 22 may be provided at
On 5th focus 7a, and the 6th focus 7b coincides with one another or is disposed adjacent with lens focus 4a, and so invention is not limited thereto.
Then, referring back to shown in Figure 23 to Figure 26, and referring to Figure 2 together shown in 7 and Figure 28, Figure 27 is shield unit
5 embodiment in low beam state, Figure 28 are embodiment of the shield unit 5 in far lamp state.Such as previous embodiment
Described, it may include first catoptric arrangement 31 of direction that the first light emitting structure 21, which can produce one first light L1, the first light L1,
First throw light L111, the first throw light L111 of direction projection can be by the reflection of the first catoptric arrangement 31, to be formed
One the first reflection light L112 projected towards the direction of lens unit 4.In addition, working as the projection of light provided by 3rd embodiment
When device U still further comprises a third catoptric arrangement 33 and remaining light reflecting plate 52, opticpath can be such as previous embodiment
Describedly, it is further provided the illumination in dark space remaining light region.
Hold above-mentioned, referring back to shown in Figure 28, the second light emitting structure 22 can generate one second light L2, the second light L2 packet
A the 6th throw light L211 projected towards the direction of third reflecting unit 7 is included, the 6th throw light L211 is anti-by third
The reflection of unit 7 is penetrated, to form a 11st reflection light L212 projected towards the direction of lens unit 4.
The beneficial effect of embodiment
A wherein beneficial effect of the invention is that light projection device U provided by the embodiment of the present invention can be utilized
The technical solution of " the first light-emitting surface 21S and lens axis A are inclined to set ", and the collection light efficiency of light projection device can be improved
Rate.
In addition, when the first light emitting structure 21 is arranged on mirror optical axis A, and cooperate the first light-emitting surface 21S and lens axis A
The technical solution being inclined to set can greatly improve the collection efficiency and spotlight effect of light projection device.
Content disclosed above is only preferred possible embodiments of the invention, not thereby limits to right of the invention and wants
The protection scope of book is sought, so all equivalence techniques variations done with description of the invention and accompanying drawing content, are both contained in
In the protection scope of claims of the present invention.
Claims (17)
1. a kind of light projection device, which is characterized in that the light projection device includes:
One base unit；
One luminescence unit, the luminescence unit are arranged on the base unit, and the luminescence unit includes one first light-emitting junction
Structure, and first light emitting structure has one first light-emitting surface；
One first reflector element, first reflector element is arranged on the base unit, and first reflector element pair
The setting of luminescence unit described in Ying Yu；And
One lens unit, the lens unit correspond to first reflector element, and the lens unit has a lens axis；
Wherein, first light-emitting surface is inclined to set with the lens axis.
2. light projection device according to claim 1, which is characterized in that first light-emitting surface is a Lambertian source,
The Lambertian source can at least generate one first light between minus 80 degree to 80 degree, and first reflector element at least covers
First light between minus 70 degree to 70 degree of the Lambertian source.
3. light projection device according to claim 1, which is characterized in that first reflector element includes one first anti-
Structure and one second catoptric arrangement are penetrated, first catoptric arrangement is different from the curvature of second catoptric arrangement.
4. light projection device according to claim 1, which is characterized in that first reflector element includes one first anti-
Structure is penetrated, first catoptric arrangement has one first focus and one second focus corresponding to first focus, described
Lens unit also has a lens focus, and the lens focus is located on the lens axis；Wherein, the first reflection knot
Second focus of structure corresponds to the lens focus.
5. light projection device according to claim 1, which is characterized in that first reflector element includes one first anti-
Structure and one second catoptric arrangement are penetrated, first catoptric arrangement is different from the curvature of second catoptric arrangement.
6. light projection device according to claim 5, which is characterized in that the light projection device further include: one hides
Plate unit, the shield unit are arranged on the base unit, and one first light caused by first light emitting structure is logical
Cross the blocking for shield unit and project one with "cut-off"line section profile light type.
7. light projection device according to claim 6, which is characterized in that first reflector element further includes a third
Catoptric arrangement, first catoptric arrangement are arranged between second catoptric arrangement and the third catoptric arrangement, and described
The curvature of first catoptric arrangement, second catoptric arrangement and the third catoptric arrangement is different from each other.
8. light projection device according to claim 7, which is characterized in that first light emitting structure can generate one first
Light, first light include one first throw light projected towards the direction of first catoptric arrangement and towards institute
State one second throw light of the direction projection of the second catoptric arrangement；Wherein, first throw light is anti-by described first
It penetrates the reflection of structure and forms one first reflection light towards the projection of the direction of the lens unit；Wherein, it described second throws
It penetrates light and is formed by the reflection of second catoptric arrangement towards the one second of the projection of the direction of the lens unit and reflected
Light.
9. light projection device according to claim 7, which is characterized in that the shield unit include a shield ontology with
And the remaining light reflecting plate on the shield ontology is set；Wherein, the third catoptric arrangement include one first reflecting part with
And it is connected to one second reflecting part of first reflecting part, and the slope of first reflecting part and second reflecting part is not
Together；Wherein, first light emitting structure can generate one first light, and first light includes towards first catoptric arrangement
Direction projection one first throw light and towards first catoptric arrangement direction project a third throw light；
Wherein, first throw light is formed by the reflection of first catoptric arrangement towards the throwing of the direction of the lens unit
One first reflection light penetrated；Wherein, the third throw light forms direction by the reflection of first catoptric arrangement
One third reflection light of the direction projection of second reflecting part of the third catoptric arrangement, the third reflection light are logical
It crosses the reflection of second reflecting part of the third catoptric arrangement and forms the remaining light reflection towards the shield unit
One the 4th reflection light of the direction projection of plate, the remaining light reflecting plate that the 4th reflection light passes through the shield unit
Reflection and formed towards the lens unit direction projection one the 5th reflection light.
10. light projection device according to claim 7, which is characterized in that the shield unit includes a shield ontology
And the remaining light reflecting plate on the shield ontology is set；Wherein, the third catoptric arrangement includes one second reflecting part；
Wherein, first light emitting structure can generate one first light, and first light includes towards first catoptric arrangement
What the direction of one first throw light of direction projection and second reflecting part towards the third catoptric arrangement projected
One the 5th throw light；Wherein, first throw light is formed described in by the reflection of first catoptric arrangement
One first reflection light of the direction projection of lens unit；Wherein, the 5th throw light passes through the third catoptric arrangement
Reflection and form one the 9th reflection light towards the projection of the direction of the remaining light reflecting plate of the shield unit, described the
Nine reflection lights form the direction towards the lens unit by the reflection of the remaining light reflecting plate of the shield unit
The tenth reflection light of projection.
11. light projection device according to claim 5, which is characterized in that the light projection device further include: one hides
Plate unit and one second reflector element, the shield unit are arranged on the base unit, and second reflector element is set
Set on the base unit, and second reflector element setting the shield unit and first reflector element it
Between, wherein first reflector element further includes a third catoptric arrangement, and the first catoptric arrangement setting is anti-described second
It penetrates between structure and the third catoptric arrangement, and first catoptric arrangement, second catoptric arrangement and the third are anti-
The curvature for penetrating structure is different from each other；Wherein, the third catoptric arrangement includes one first reflecting part.
12. light projection device according to claim 11, which is characterized in that first light emitting structure can generate one
One light, first light include one first throw light projected towards the direction of first catoptric arrangement and direction
One the 4th throw light of the direction projection of second catoptric arrangement；Wherein, first throw light passes through described first
The reflection of catoptric arrangement and formed towards the lens unit direction projection one first reflection light；Wherein, the described 4th
Throw light forms first reflecting part towards the third catoptric arrangement by the reflection of second catoptric arrangement
Direction projection one the 6th reflection light, the 6th reflection light by the third catoptric arrangement it is described first reflect
The reflection in portion and formed towards second reflector element direction projection one the 7th reflection light, the 7th reflection light
One the 8th reflection light towards the projection of the direction of the lens unit is formed by the reflection of second reflector element.
13. light projection device according to claim 1, which is characterized in that the light projection device further include: one
Three reflector elements, the luminescence unit further include one second light emitting structure, wherein the third reflecting unit is arranged in the base
On seat unit, second light emitting structure has one second light-emitting surface, and second light-emitting surface and the lens axis are inclined
Setting.
14. light projection device according to claim 13, which is characterized in that second light emitting structure can generate one
Two light, second light include one the 6th throw light projected towards the direction of the third reflecting unit, and described the
Six throw lights form 1 the tenth towards the projection of the direction of the lens unit by the reflection of the third reflecting unit
One reflection light.
15. light projection device according to claim 1, which is characterized in that the lens axis is sent out by described first
Smooth surface.
16. light projection device according to claim 3, which is characterized in that the lens axis is anti-by described second
Penetrate structure.
17. light projection device according to claim 2, which is characterized in that first light-emitting surface is a Lambertian source,
The Lambertian source can generate one first light, and first reflector element at least covers 60% or more of the Lambertian source
First light.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW107110041A TWI651222B (en) | 2018-03-23 | 2018-03-23 | Light projection device |
| TW107110041 | 2018-03-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110296369A true CN110296369A (en) | 2019-10-01 |
Family
ID=66213713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811547065.2A Pending CN110296369A (en) | 2018-03-23 | 2018-12-18 | Light projection device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110296369A (en) |
| TW (1) | TWI651222B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111256094A (en) * | 2020-01-22 | 2020-06-09 | 广州市焦汇光电科技有限公司 | Optical device, optical system and optical curtain wall projection system |
| TWI756064B (en) * | 2021-02-24 | 2022-02-21 | 樺薪光電有限公司 | Vehicle lighting device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI683974B (en) * | 2019-04-08 | 2020-02-01 | 堤維西交通工業股份有限公司 | Projection headlights |
| CN111853702B (en) * | 2019-04-26 | 2022-10-18 | 堤维西交通工业股份有限公司 | Projection head lamp |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105508954A (en) * | 2014-10-07 | 2016-04-20 | 福特全球技术公司 | Vehicle lighting assembly |
| CN105889840A (en) * | 2016-06-08 | 2016-08-24 | 广东雷腾智能光电有限公司 | Self-adaptive high-low-beam integrated LED multi-module headlamp |
| TWM548092U (en) * | 2017-03-24 | 2017-09-01 | Chian Yih Optotech Co Ltd | Car light device and shielding sheet structure thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206694882U (en) * | 2017-04-13 | 2017-12-01 | 诚益光电科技股份有限公司 | Light projection device |
-
2018
- 2018-03-23 TW TW107110041A patent/TWI651222B/en not_active IP Right Cessation
- 2018-12-18 CN CN201811547065.2A patent/CN110296369A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105508954A (en) * | 2014-10-07 | 2016-04-20 | 福特全球技术公司 | Vehicle lighting assembly |
| CN105889840A (en) * | 2016-06-08 | 2016-08-24 | 广东雷腾智能光电有限公司 | Self-adaptive high-low-beam integrated LED multi-module headlamp |
| TWM548092U (en) * | 2017-03-24 | 2017-09-01 | Chian Yih Optotech Co Ltd | Car light device and shielding sheet structure thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111256094A (en) * | 2020-01-22 | 2020-06-09 | 广州市焦汇光电科技有限公司 | Optical device, optical system and optical curtain wall projection system |
| TWI756064B (en) * | 2021-02-24 | 2022-02-21 | 樺薪光電有限公司 | Vehicle lighting device |
| CN114963116A (en) * | 2021-02-24 | 2022-08-30 | 桦薪光电有限公司 | Lighting device for vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI651222B (en) | 2019-02-21 |
| TW201940364A (en) | 2019-10-16 |
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Application publication date: 20191001 |