CN107435881A - Light-distribution lens - Google Patents
Light-distribution lens Download PDFInfo
- Publication number
- CN107435881A CN107435881A CN201610363454.4A CN201610363454A CN107435881A CN 107435881 A CN107435881 A CN 107435881A CN 201610363454 A CN201610363454 A CN 201610363454A CN 107435881 A CN107435881 A CN 107435881A
- Authority
- CN
- China
- Prior art keywords
- mentioned
- light
- optical axis
- light source
- lens
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The present invention provides a kind of light-distribution lens, its can by the light-operated luminous intensity distribution for being made as preferable dipped headlight from light source incidence, and can with high beam identical towards setting light source.Lenticular body (20) will be from the incident light luminous intensity distribution of the LED (41) that is configured to the state that optical axis (L) extends in the horizontal plane：At the irradiation position as target in front, main range of exposures will be set on the lower than above-mentioned horizontal plane, and along the above-mentioned optical axis (L) by the top of the center than the range of exposures or predetermined angular strengthens above-mentioned light on the lower than optical axis (L).
Description
Technical field
It is the model that is pre-designed the present invention relates to possessing the light luminous intensity distribution from the light source incidence along predetermined direction irradiation light
Enclose or the light-distribution lens of the lenticular body in direction.
Background technology
In the past, used as this light-distribution lens, the identification light (headlamp) of the known vehicle such as being installed on railway
Light-distribution lens.Herein, identification light is illuminated in front of the direct of travel as vehicle at night etc. to improve the visual of driver
Property.In general, identification light is distinguished as high beam and dipped headlight according to its light distribution characteristic, with a distance light light irradiation distant place, it is used in combination
Near dipped beam light irradiation.
In the LED formula identification lights of nearest main flow, match somebody with somebody especially for making the light from LED efficiently project forwards
The effect of optical lens becomes important.Herein, as light-distribution lens, such as it is known to the light-distribution lens disclosed in patent document 1.
That is, it is identical with general light-distribution lens, LED optical axis is configured to axle center, and be designed as making the light from LED along optical axis direction
The luminous intensity distribution projected forwards as the crow flies, in such luminous intensity distribution, for the purpose of realizing and reduce hot spot.
Prior art literature
Patent document 1：No. 5269843 publications of Japanese Patent No.
However, in conventional light-distribution lens disclosed in above-mentioned patent document 1, it can only make the light from LED along light
Direction of principal axis luminous intensity distribution forwards as the crow flies.Therefore, in the case of for high beam, light source and light-distribution lens are configured to direction
The state of horizontal direction, and can apply in this condition, but in the case of for dipped headlight, with configuring for high beam
It is complete different, it is necessary to which that light source and light-distribution lens are configured to downward state.
So, high beam use and dipped headlight use in, it is necessary to separately make each light source, lens configuration turn to,
Its make trouble and also spend the time, so as to exist turn into cost improve will because it is such the problem of.And, it is also considered that with difference
Different lamps come form high beam use and dipped headlight use, but not only turn into further cost improve will be because there is also limited
The problem of configuration in vehicle body space is difficult such.
The content of the invention
The present invention is to be conceived to problem points possessed by conventional technology as described above and complete, and its object is to carry
, can be easily by the light-operated luminous intensity distribution for being made as preferable dipped headlight from light source incidence, and can for a kind of light-distribution lens
Light source is being set up with high beam identical court.
Purport of the invention for realizing above-mentioned purpose is present in following every invention.
[1] a kind of light-distribution lens 10, it possesses lenticular body 20, and the lenticular body 20 is by from the light source along predetermined direction irradiation light
41 incident light luminous intensity distributions are the scope or direction being pre-designed, and above-mentioned light-distribution lens 10 are characterised by,
Said lens body 20 is by from the incident light of the above-mentioned light source 41 that is configured to the state that optical axis extends in the horizontal plane
Luminous intensity distribution is：At the irradiation position as target in front, main range of exposures will be set on the lower than above-mentioned horizontal plane, and
And predetermined angular strengthens above-mentioned light on the lower along the center above-mentioned optical axis by the top than the range of exposures or than optical axis.
[2] light-distribution lens 10 according to described in above-mentioned [1], it is characterised in that said lens body 20 is formed as tip side
Towards the bowl-shape of above-mentioned light source 41, and possess：Incident section 21, it is provided with tip side centered on the optical axis of above-mentioned light source 41
Light is incident；Outgoing plane 22, it is projected at the opposite side of tip side for use by the light behind solid bowl-shape inside；Hole portion with the end
23, its position opening opposed on above-mentioned optical axis with above-mentioned incident section 21 on the outgoing plane 22, and towards above-mentioned incidence
Portion 21 is recessed to inner side；And reflecting surface 24a, it is the inner surface of bowl-shape perisporium 24,
The bottom surface of the surface of above-mentioned incident section 21 and above-mentioned hole portion 23 is mutually opposing and is formed as predetermined lens shape, profit
With the lens shape, along above-mentioned optical axis or than optical axis, predetermined angular exists the light centered on the optical axis of above-mentioned light source 41 on the lower
By being projected and from opening in above-mentioned hole portion 23,
For by above-mentioned incident section 21 and from the bottom surface of above-mentioned hole portion 23 to incident around light, by above-mentioned reflection
After face 24a total reflections, project not by above-mentioned hole portion 23 but from above-mentioned outgoing plane 22 towards the lower section of above-mentioned horizontal plane.
[3] light-distribution lens 10 according to described in above-mentioned [2], it is characterised in that above-mentioned incident section 21 is with above-mentioned light source
Concentric circles centered on 41 optical axis and recessed with circular arc sectional shape towards emitting side, at the center on the recessed surface
Bottom, formed with the entrance lens face 21a protruded towards the side of light source 41 with circular arc sectional shape.
[4] light-distribution lens 10 according to described in above-mentioned [3], it is characterised in that, will be with this in the bottom surface of above-mentioned hole portion 23
In the case that the horizontal plane that the intersecting above-mentioned optical axis in bottom surface is extended is as centre, upside is formed as making by above-mentioned entrance lens
Upper injection lens face 23a of the light along optical axis direction straight ahead after the 21a of face, downside is formed as making by above-mentioned entrance lens face
Light after 21a is to the lower injection lens face 23b in downward direction to advance intersected at a predetermined angle with optical axis.
[5] light-distribution lens 10 according to described in above-mentioned [4], it is characterised in that, will be upper in the inner peripheral surface of above-mentioned hole portion 23
In the case that separately the above-mentioned horizontal plane of the inner peripheral surface is as centre down, upside extends parallel to above-mentioned optical axis, on the other hand,
The inclination in downward direction laterally intersected at a predetermined angle with above-mentioned optical axis down.
[6] light-distribution lens 10 according to described in above-mentioned [2], [3], [4] or [5], it is characterised in that above-mentioned reflecting surface
In 24a, in the case that separately reflecting surface 24a above-mentioned horizontal plane is as centre up and down, upside is set to make to be diffused into
Than above-mentioned hole portion 23 bottom surface light by the top to critical with being in downward direction totally reflected of intersecting at a predetermined angle of above-mentioned optical axis
Angle, the bottom surface light on the lower that downside is set to make to be diffused into than above-mentioned hole portion 23 intersect at a predetermined angle to above-mentioned optical axis
The critical angle being in downward direction totally reflected.
[7] the light-distribution lens 10A according to described in above-mentioned [1], [2], [3], [4], [5] or [6], it is characterised in that
It is formed integrally on a matrix 11 to have multiple said lens bodies 20,
The outgoing plane 22 of each lenticular body 20 is connected on the surface of above-mentioned matrix 11, the bowl-shape perisporium 24 of each lenticular body 20
Bloated from the back side of above-mentioned matrix 11,
Above-mentioned matrix 11 is configured at the front of light source substrate 40 for being provided with light source 41 corresponding with each lenticular body 20
With above-mentioned light source substrate 40 abreast opposed state,
Above-mentioned each light source 41 is respectively with the same directional state configuration of optical axis on above-mentioned light source substrate 40.
[8] a kind of light-distribution lens 10A, it is characterised in that
It is formed integrally on a matrix 11 to have multiple lenticular bodies 20,
At least one lenticular body 20 as dipped headlight in each lenticular body 20, be above-mentioned [1], [2], [3], [4],
[5] lenticular body 20 or described in [6],
In each lenticular body 20 except above-mentioned dipped headlight by the use of lenticular body 20 in addition at least one lens as high beam
Body 20A, be configured to will be from the incident light luminous intensity distribution of light source 41, at the irradiation position as target in front, to above-mentioned
Predetermined range of exposures centered on the optical axis of light source 41 projects,
Each lenticular body 20,20A outgoing plane 22 are connected on the surface of above-mentioned matrix 11, the bowl-shape week of each lenticular body 20
Wall 24 bloats from the back side of above-mentioned matrix 11,
Above-mentioned matrix 11 be configured to be provided with above-mentioned dipped headlight with and above-mentioned high beam each lenticular body 20,
At the front of the light source substrate 40 of light source 41 corresponding to 20A with above-mentioned light source substrate 40 abreast opposed state,
Above-mentioned each light source 41 is respectively with the same directional state configuration of optical axis on above-mentioned light source substrate 40.
Next, the effect based on above-mentioned solution is illustrated.
In light-distribution lens 10 described in above-mentioned [1], using its lenticular body 20, it will prolong in the horizontal plane from optical axis is configured to
The incident light luminous intensity distribution of the light source 41 for the state stretched is：, will be than above-mentioned horizontal plane at the irradiation position as target in front
It is set to main range of exposures on the lower, and along the optical axis by the top of the center than the range of exposures or than optical axis on the lower
Predetermined angular strengthens above-mentioned light.
Thus, by the light after lenticular body 20 on the whole towards the lower section for the horizontal plane that optical axis passed through, but office can be used
The stronger light in portion is only pointed to the optical axis direction of the top at the center of range of exposures, is irradiated below.Therefore, it is possible to realize
Having has by force the luminous intensity distribution of weak preferable dipped headlight.
Specifically, said lens body 20 can for example be formed described in [2] like that as described above.That is, lenticular body 20 is formed
Be tip side is formed towards the bowl-shape of light source 41, and by such as lower component：It is provided with its tip side centered on the optical axis of light source 41
The incident incident section 21 of light；The outgoing plane projected at the opposite side of tip side for use by the light behind solid bowl-shape inside
22；The position opening opposed on optical axis with above-mentioned incident section 21 on the outgoing plane 22 and towards above-mentioned incident section 21 and
The with the end hole portion 23 recessed to inner side；And the reflecting surface 24a of the inner surface as bowl-shape perisporium 24.
Herein, the bottom surface of the surface of above-mentioned incident section 21 and above-mentioned hole portion 23 is mutually opposing and be formed as predetermined lens shaped
Shape.Using the lens shape, light centered on the optical axis of light source 41 along optical axis or than optical axis on the lower predetermined angular in hole
By being projected and from opening in portion 23.Also, for by above-mentioned incident section 21 and from the bottom surface of hole portion 23 to incident around
Light, after being totally reflected by solid bowl-shape inside and by above-mentioned reflecting surface 24a, obstructed via portion 23 but from outgoing plane 22
Project downward.According to such structure, the overall miniaturization of light-distribution lens 10 can be realized, can also be controlled to be preferable
The luminous intensity distribution of dipped headlight.
And it is possible to as described above described in [3] like that, the incident section 21 of said lens body 20 is formed as with the light of light source 41
Concentric circles centered on axle and recessed with circular arc sectional shape towards emitting side, and in the center bottom on the recessed surface, shape
Into the entrance lens face 21a protruded towards the side of light source 41 with circular arc sectional shape.
So, in the case of the shape that incident section 21 is recessed, can not spill from the optical axis light orthogonal with its center
Source 41 project light and efficiently take in.Also, can using the entrance lens face 21a for being integrally formed in recessed center bottom
Make the light near the optical axis of light source 41 efficiently towards the bottom surface of the hole portion 23 paired with entrance lens face 21a.
And it is possible to as described above described in [4] like that, in the bottom surface of above-mentioned hole portion 23, the optical axis that will intersect with the bottom surface
In the case that the horizontal plane extended is as centre, upside is formed as making by the light after above-mentioned entrance lens face 21a along optical axis
The upper injection lens face 23a of direction straight ahead, downside be formed as making by the light after above-mentioned entrance lens face 21a to optical axis
The lower injection lens face 23b in downward direction to advance intersected at a predetermined angle.
Thus, can also make in limited space by the light after the 21a of entrance lens face efficiently along optical axis or ratio
Optical axis on the lower advance by predetermined angular, is integrally located in the range of exposures of horizontal lower section, can realize especially to its center
Top the distribution controls irradiated brightly of specific region.
Also, can also as described above described in [5] like that, in the inner peripheral surface of above-mentioned hole portion 23, the inner circumferential will be separated up and down
In the case that the horizontal plane in face is as centre, upside is formed as extending parallel to optical axis, on the other hand, downside be formed as to
The inclination in downward direction that optical axis intersects at a predetermined angle.It is downwards out from above-mentioned lower injection lens face 23b thereby, it is possible to prevent
Illumination reflected to the downside of the inner peripheral surface of hole portion 23, and it is directly directed to outside from the opening of hole portion 23.
And it is possible to as described above described in [6] like that, in above-mentioned reflecting surface 24a, it will separate reflecting surface 24a's up and down
In the case that horizontal plane is as centre, upside be set to make to be diffused into bottom surface light by the top than above-mentioned hole portion 23 to light
The critical angle being in downward direction totally reflected that axle intersects at a predetermined angle, downside are set to make to be diffused into the bottom than above-mentioned hole portion 23
The light of face on the lower is to the critical angle being in downward direction totally reflected intersected at a predetermined angle with optical axis.
Thus, using the reflecting surface 24a of the bowl-shape complete cycle of perisporium 24, and though to incident section 21 top spread light or
The light spread to the lower section of incident section 21, can be such that they efficiently project downward respectively.
It is formed integrally on a matrix 11 to have multiple said lens bodies in light-distribution lens 10A described in above-mentioned [7]
20.Moreover, the outgoing plane 22 of each lenticular body 20 is connected on the surface of matrix 11, the bowl-shape perisporium 24 of each lenticular body 20 is from upper
State the back side bulging of matrix 11.Such matrix 11 is configured to be provided with the light source base of light source 41 corresponding with each lenticular body 20
At the front of plate 40 with above-mentioned light source substrate 40 abreast opposed state.Thereby, it is possible to as possessing multiple lenticular bodies 20
One unit uses.
In addition, in light-distribution lens 10A described in above-mentioned [8], it is formed integrally on a matrix 11 to have multiple lens
Body 20,20A, at least one lenticular body 20 as dipped headlight in each lenticular body 20,20A, using above-mentioned lenticular body.Separately
On the one hand, in each lenticular body 20,20A except above-mentioned dipped headlight by the use of lenticular body 20 in addition at least one be used as the saturating of high beam
Mirror body 20A, be configured to will be from the incident light luminous intensity distribution of light source 41, at the irradiation position as target in front, Xiang Yiguang
Predetermined range of exposures centered on the optical axis in source 41 projects.
Thereby, it is possible to realize dipped headlight and remote using on a light source substrate 40 with the identical light source 41 towards installation
Light lamp.So, the design according to the route for the light for making a part using light-distribution lens 10A downward, it can be ensured that be used for
The straight ahead in front is illuminated, and can also realize the performance of also irradiation lower section in the lump.
The effect of invention is as follows.
According to the light-distribution lens of the present invention, light-operated from light source incidence easily can be made as preferable dipped headlight
Luminous intensity distribution, and light source can set up with high beam identical court.
Brief description of the drawings
Fig. 1 is the stereogram of the lenticular body for the light-distribution lens for being denoted as embodiments of the present invention.
Fig. 2 is the vertical profile end view drawing of the lenticular body for the light-distribution lens for being denoted as embodiments of the present invention.
Fig. 3 is the cross-sectional end view drawing of the lenticular body for the light-distribution lens for being denoted as embodiments of the present invention.
Fig. 4 is the rearview of the light incident side of the lenticular body of the light-distribution lens as embodiments of the present invention.
Fig. 5 is the front view of the emitting side of the lenticular body of the light-distribution lens as embodiments of the present invention.
Fig. 6 is the right view of the lenticular body of the light-distribution lens as embodiments of the present invention.
Fig. 7 is the top view of the lenticular body of the light-distribution lens as embodiments of the present invention.
Fig. 8 is to represent the matching somebody with somebody to the incident light of the lenticular bodies of the light-distribution lens as embodiments of the present invention from light source
The vertical profile end view drawing of light state.
Fig. 9 is to represent the matching somebody with somebody to the incident light of the lenticular bodies of the light-distribution lens as embodiments of the present invention from light source
The cross-sectional end view drawing of light state.
Figure 10 is the explanation figure of the range of exposures of the lenticular body for the light-distribution lens for being denoted as embodiments of the present invention.
Figure 11 is the front view for the light-distribution lens for representing other embodiments of the present invention.
Figure 12 is the rearview for the light-distribution lens for representing other embodiments of the present invention.
Figure 13 is the stereogram from the light-distribution lens of other embodiments of the forward observation present invention.
Figure 14 is the stereogram of the light-distribution lens of other embodiments of the present invention from rear.
Figure 15 is to represent that (Figure 11 A-A ' lines are cut for the cross-sectional end view drawings of light-distribution lens of other embodiments of the present invention
Disconnected end surface figure).
Figure 16 is to represent that (Figure 11 B-B ' lines are cut for the vertical profile end view drawings of light-distribution lens of other embodiments of the present invention
Disconnected end surface figure).
Figure 17 is the front view for the light-distribution lens for representing other embodiments of the present invention.
Figure 18 is the rearview for the light-distribution lens for representing other embodiments of the present invention.
Figure 19 is the stereogram from the light-distribution lens of other embodiments of the forward observation present invention.
Figure 20 is the stereogram of the light-distribution lens of other embodiments of the present invention from rear.
Figure 21 is to represent that (Figure 17 C-C ' lines are cut for the cross-sectional end view drawings of light-distribution lens of other embodiments of the present invention
Disconnected end surface figure).
Figure 22 is to represent that (Figure 17 D-D ' lines are cut for the vertical profile end view drawings of light-distribution lens of other embodiments of the present invention
Disconnected end surface figure).
Figure 23 is the exploded perspective view of the identification light for the light-distribution lens for representing to possess embodiments of the present invention.
Figure 24 is the stereogram of the identification light for the light-distribution lens for representing to possess embodiments of the present invention.
In figure：
10-light-distribution lens, 10A-light-distribution lens, 11-matrix, 20-lenticular body, 20A-lenticular body, 21-incident
Portion, 21a-entrance lens face, 22-outgoing plane, 23-hole portion, 23a-above project lens face, 23b-lower project lens face,
23c-taper surface, 24-perisporium, 24a-reflecting surface, 40-LED-baseplate, 41-LED, 1-identification light, 2-lamp body, 3-receive
Receive portion, 4-fin, 5-radiator.
Embodiment
Hereinafter, based on accompanying drawing, illustrated to representing embodiments of the present invention.
The light-distribution lens 10 of present embodiment possess lenticular body 20, and the lenticular body 20 will be from as to predetermined direction irradiation light
The incident light luminous intensity distributions of LED41 of light source be the scope or direction being pre-designed.In addition, light-distribution lens 10 can also its structure
A part include lenticular body 20, or only can also be regarded as light-distribution lens 10 with the position of lenticular body 20.
First, as shown in Fig. 1~Figure 10, only to be said with the position of lenticular body 20 to be formed the example of light-distribution lens 10
It is bright.As shown in Fig. 1~Fig. 9, the lenticular bodies 20 of light-distribution lens 10 is formed as diagram of the tip side towards LED41 (reference picture 8)
It is bowl-shape.Herein, LED41 is, for example, the LED chip of surface installing type, and its structure is in general structure, so as to omit specifically
It is bright, but radial extent centered on the optical axis L orthogonal with chip surface and at a predetermined angle projects the type of light.
LED41 is configured to the state that optical axis L extends in the horizontal plane in principle, but herein, " level " and refers not only to accurate
The meaning on level, the degree that can approximately horizontally observe confirmation is enough.In addition, arbitrarily select LED41 illuminant colour.
Also, LED41 is not limited to the LED chip of surface installing type or the LED by chip buried bullet type moulded parts
Lamp, other lamps etc. can also be used to be used as light source in addition.
Lenticular body 20 possesses：It is provided with the incident incident section of light centered on LED41 optical axis L at its bowl-shape tip side
21；The outgoing plane 22 projected at the opposite side of tip side for use by the light behind solid bowl-shape inside；On the outgoing plane 22
The position opening opposed in above-mentioned optical axis L with above-mentioned incident section 21 and towards above-mentioned incident section 21 and it is recessed to inner side
Hole portion 23 with the end；And the reflecting surface 24a of the inner surface as bowl-shape perisporium 24.Such lenticular body 20 is for example by propylene
The transparent materials such as acid, makrolon are integrally formed.
In lenticular body 20, the surface of incident section 21 and the bottom surface of hole portion 23 are mutually opposing and be formed as predetermined lens shaped
Shape.Because of the lens shape, the light centered on LED41 optical axis L is along optical axis L or along than optical axis L, predetermined angular exists on the lower
By and being projected from opening in hole portion 23.Also, the outer periphery incidence by incident section 21 and to the bottom surface of hole portion 23
After light is by the reflecting surface 24a total reflections of the inner surface as perisporium 24, obstructed via portion 23 but from outgoing plane 22 towards upper
Project the lower section for stating horizontal plane.
So, the lenticular body 20 as light-distribution lens 10 is with following structure：Will be from being configured to optical axis L in the horizontal plane
Light the luminous intensity distribution incident LED41 of the state of extension is：As shown in Fig. 8~Figure 10, the irradiation position as target in front
Place, will be set to main range of exposures below above-mentioned horizontal plane, and along by the top above-mentioned of the center than the range of exposures
Optical axis L or predetermined angular strengthens the light on the lower than optical axis L.In addition, predetermined angular is centered on LED41 and in upper and lower
Upwards such as 0 degree spent to -30 in the range of set, and be set as in the horizontal direction also centered on LED41 and for example
Spread in the range of ± 25~30 degree.
As shown in Fig. 1~Fig. 7, it is not bowl-shape as the frustum of a cone that lenticular body 20 is overall, as shown in figure 5, from optical axis L side
Into the facing of observation, the outgoing plane 22 for turning into bowl-shape open side is not positive round.That is, outgoing plane 22 is in the larger circle of curvature
By the linear lateral margin that is parallel to each other to it at the respective both sides of the lower edge of the less circular arc of upper limb and curvature of arc
Surround formed shape, and towards rear incident section 21 and section keeps similar figures and gradually bowl as undergauge
Shape.
As shown in FIG. 2 and 3, be formed as positioned at the incident section 21 of above-mentioned bowl-shape tip side with LED41 (reference picture 8)
Optical axis L centered on concentric circles and recessed to inner side with circular arc sectional shape towards emitting side.The recessed axle center with
LED41 optical axis L is consistent, and incident section 21 is configured to surround LED41 emitting side.Also, in the recessed of incident section 21
Surface center bottom, formed with the entrance lens face protruded smaller with circular arc sectional shape towards LED41 sides on the contrary
21a.LED41 optical axis L is orthogonal with entrance lens face 21a center.
As shown in figure 5, approximate centre opening of the hole portion 23 in outgoing plane 22, hole portion 23 are formed as, along the light for including optical axis L
Road towards above-mentioned incident section 21 and it is recessed to inner side.The opening of such hole portion 23 shape in facing from optical axis L direction
As the shape of a hoof, i.e.,：At the upper limb of circular arc and the respective both sides of the lower edge laterally linearly extended, by being parallel to each other
Linear lateral margin they are surrounded.
Also, as shown in FIG. 2 and 3, the entrance lens face 21a of the bottom surface of hole portion 23 and above-mentioned incident section 21 is mutual
It is opposed and form predetermined lens shape.Specifically, in the bottom surface of hole portion 23, in the above-mentioned optical axis L that will intersect with the bottom surface
In the case that the horizontal plane extended is as centre, upside is formed as making by the light after the 21a of entrance lens face along optical axis L direction
The upper injection lens face 23a of straight ahead (collimation).On the other hand, downside is formed as making the light by after the 21a of entrance lens face
To the lower injection lens face 23b in downward direction to advance intersected at a predetermined angle with optical axis L.
In addition, as shown in Fig. 2 and Fig. 5, in the inner peripheral surface of hole portion 23, the above-mentioned level of the inner peripheral surface will be being separated up and down
In the case that face is as centre, upside turns into the cross sectional shape extended parallel to above-mentioned optical axis L, and on the other hand, downside turns into
To the taper surface 23c inclined in downward direction intersected at a predetermined angle with above-mentioned optical axis L.Herein, " parallel " and refer not only to accurate
The meaning on it is parallel, the degree that can observe confirmation substantially in parallel is enough.
As shown in FIG. 8 and 9, the reflecting surface 24a as the inner surface of the perisporium 24 of lenticular body 20 makes from above-mentioned incidence
In the incident light in portion 21, it is main not by entrance lens face 21a but to the diffusely incident light of its outer periphery, i.e. to hole
The light of the outside diffusion of the bottom surface in portion 23 is totally reflected downward.
Specifically, in reflecting surface 24a, feelings of the reflecting surface 24a above-mentioned horizontal plane as among will be being separated up and down
Under condition, upside is set to make the light of the top diffusion to the bottom surface of hole portion 23 downward to optical axis L at a predetermined angle intersecting
The critical angle of direction total reflection.On the other hand, it is set to make under the taper surface 23c of hole portion 23 on the downside of reflecting surface 24a
The light just spread is to the critical angle being in downward direction totally reflected intersected at a predetermined angle with optical axis L.
Herein, the upper and lower reflecting surface 24a in the case of using horizontal plane as centre can also be set as mutually with phase
With angle reflected light downward, or reflected light downward at different angles can also be set as.In addition, " by water
Among plane is used as " do not imply that using horizontal plane as accurate border to turn into upper and lower respective structure, refer to upper and lower
The degree that horizontal plane is only existed between different constructions is enough.For the upper injection lens face in the bottom surface of above-mentioned hole portion 23
It is also identical between 23a and lower injection lens face 23b.
Next, the effect to the light-distribution lens 10 of present embodiment illustrates.
As shown in FIG. 8 and 9, this light-distribution lens 10 are configured at LED41 front, its optical axis L and lenticular body
20 incident section 21 is orthogonal.Herein, LED41 is configured to the state that optical axis L extends in the horizontal plane in itself.The shape of such configuration
Under state, the light irradiated from LED41 centered on optical axis L is first to the incident section of the bowl-shape tip side positioned at lenticular body 20
21 is incident.
Incident section 21 is using, the recessed axle center recessed to inner side by circular arc sectional shape of the LED41 optical axis L as center
Consistent with LED41 optical axis L, incident section 21 is configured to surround LED41 emitting side.Thereby, it is possible to make to come from LED41
Light do not taken in spilling to outside.In addition, for example, incident section 21 can also be set to cut on the top of bowl shape and
Into planar end surface, but with it is above-mentioned it is recessed compared with, incident efficiency step-down, and also less than aftermentioned such distribution controls.
Recessed center bottom in incident section 21, entrance lens face 21a prominent smaller be present, utilize the entrance lens
Face 21a, the light near LED41 optical axis L is set to be advanced towards the bottom surface of the hole portion 23 paired with entrance lens face 21a.Also, to
The incident light in entrance lens face 21a outside spreads to the outer periphery of the bottom surface of hole portion 23, will be described below,
But reach the reflecting surface 24a of the inner surface as perisporium 24.If, will not be towards hole portion assuming that be not provided with entrance lens face 21a
23 bottom surface collects light, and so as to which light diffuses up in complete cycle side, and the light projected from outgoing plane 22 also thickens.
So, the entrance lens face 21a of incident section 21 with from the side of outgoing plane 22 towards the recessed hole portion 23 in incident section 21
Bottom surface is mutually opposing and is formed as predetermined lens shape.Specifically, in the bottom surface of hole portion 23, will intersect with the bottom surface
In the case that the horizontal plane that optical axis L is extended is as centre, upside is formed as upper injection lens face 23a, saturating using being projected on this
Minute surface 23a, (straight ahead) is collimated with keeping intact along optical axis L direction by the light after above-mentioned entrance lens face 21a.It is such
Light keep intact in the hole portion 23 by and being projected to the outside of opening of hole portion 23.
On the other hand, in the bottom surface of hole portion 23, in the case of using above-mentioned horizontal plane as centre, downside is penetrated under being formed as
Go out lens face 23b, using the lower injection lens face 23b, by the light after above-mentioned entrance lens face 21a to optical axis L to make a reservation for
The traveling in downward direction of angular cross.Such light also keep intact in the hole portion 23 by and to the opening of hole portion 23
Project outside.So, the lens shape formed using the bottom surface on the surface by incident section 21 and hole portion 23, with LED41 optical axis L
Centered on light along optical axis L or than optical axis L predetermined angular luminous intensity distribution on the lower.
So, the light that can have also made in limited space from LED41 incidences efficiently along optical axis L or compares optical axis L
Predetermined angular is advanced on the lower.In such lens shape, entrance lens face 21a is only convex lens shape, so as to which basis is above penetrated
Go out lens face 23a curvature, angle collimate light, on the other hand, do not carried out especially with light-operated in lower injection lens face 23b
System, the light from lens face 21a is set to advance downward with keeping intact.Such distribution controls carried out towards different directions
The setting of the not only bottom surface side by hole portion 23 can also be configured to realize, also by the setting of the face side of incident section 21 come
Realize.
Also, if the upside in the inner peripheral surface of hole portion 23 is formed as extending parallel to optical axis L, upper injection lens face
23a will not hinder the traveling of the light of collimation, if but downside be again formed as extending parallel to optical axis L, and from upper injection lens
The face 23a interference of light downward and reflect the light.Thus, formed by the downside of the inner peripheral surface in hole portion 23 and especially dipped down
Oblique taper surface 23c, the situation with the interference of light downward can be prevented.
In addition, for the depth of hole portion 23, if its bottom surface close to the face side of incident section 21, correspondingly lens shaped
Shape is thinning.Therefore, tailed off in the influence of deformation shrink mark caused by the monolithic molding of lenticular body 20.Therefore, it is possible to be designed as correcting
True light distribution characteristic., also can efficiently and correctly for limited size according to the lens shape of such present embodiment
Carry out along optical axis L or than optical axis L on the lower predetermined angular strengthen light distribution controls.
In the light incident from above-mentioned incident section 21, not by entrance lens face 21a but to its outer periphery diffusely
Incident light reaches the reflecting surface 24a of the inner surface as perisporium 24, and is totally reflected downward.Specifically, instead
Penetrate in the 24a of face, in the case of using above-mentioned horizontal plane as centre, upside make to the bottom surface of hole portion 23 top diffusion light to
The total reflection in downward direction intersected at a predetermined angle with optical axis L.On the other hand, in the situation using above-mentioned horizontal plane as among
Under, downside makes the light of the lower section diffusion to the bottom surface of hole portion 23 to the total reflection in downward direction intersected at a predetermined angle with optical axis L.
So, using the reflecting surface 24a of the bowl-shape complete cycle of perisporium 24, and though to incident section 21 top spread light or
The light spread to the lower section of incident section 21, efficiently can be allowed to project downward with identical angle respectively.Thus, energy
Enough carry out the luminous intensity distribution of dipped headlight.In addition, the upper and lower reflecting surface 24a in the case of using horizontal plane as centre can also be set
It is set to respectively with identical angle reflected light, or can also be set as reflecting downward at different angles downward
Light.
In addition, if supplement, as shown in Figure 10, lenticular body 20 will irradiate from the bottom surface of its outgoing plane 22 and hole portion 23
Light luminous intensity distribution is in the illumination zone of generally elliptical shape.Herein, it is illustrated that shadow surface be assumed to for example with from LED41 air line distances
Plane orthogonal with optical axis L at irradiation position for the purpose of 10m etc. forwards.In the range of exposures E1 of the shadow surface, as above institute
State, illumination improves at the part E2 of predetermined angular on the lower along optical axis L or than optical axis L.
, can be by from being configured to state that optical axis L extends in the horizontal plane as described above, according to this light-distribution lens 10
Light luminous intensity distribution incident LED41 is：At the irradiation position as target in front, it will be set to main below above-mentioned horizontal plane
Range of exposures, and along the center above-mentioned optical axis L by the top than the range of exposures or than optical axis L predetermined angular on the lower
Strengthen the light.Thus, by the light after lenticular body 20 on the whole towards than horizontal plane that optical axis L passed through on the lower, Neng Gouli
The optical axis L direction of the top at the center of range of exposures is only pointed to local stronger light, is irradiated below, so as to
Realizing has the luminous intensity distribution for having weak preferable dipped headlight by force.
In addition, LED41, light-distribution lens 10 are configured at predetermined height and position relative to ground, but as the purpose in front
Irradiation position at shadow surface can also be located at the level either more parallel to the ground than the ground on the lower such as LED41
Face, or can also be face, other and ground that the plane orthogonal with optical axis L vertically erects relative to ground as described above
Face tilts intersecting face.Also, turn into the design item that can suitably determine to the distance of irradiation position from light-distribution lens 10.
Next, as shown in Figure 11~Figure 16, as the light-distribution lens 10A of other embodiments, in a matrix
Also the device formed integrally for having other lenticular body 20A illustrates in the lump in addition to multiple said lens bodies 20 on 11.This
Light-distribution lens 10A possesses discoideus matrix 11, on the matrix 11, provided with multiple lenticular bodies 20 corresponding with each LED41,
20A.Herein, matrix 11 is identical with each lenticular body 20,20A, for example, by transparent materials such as acrylic acid, makrolon and one into
Shape.
Specifically, multiple lenticular bodies 20,20A be used as dipped headlight and the lenticular body 20 that is illustrated above and remote
Other lenticular body 20A of light lamp, lenticular body 20 matrix 11 central file arrange four, lenticular body 20A is along matrix
11 periphery and arrange six in a circumferential direction.So, each lenticular body 20,20A specific number, configuration be can be appropriate
The design item that ground determines, it is the lenticular body 20 of dipped headlight if at least one, at least one beyond the lenticular body 20 is
Mirror body 20A, then its configuration are not particularly limited.
The lenticular body 20 of dipped headlight is suitable with the lenticular body illustrated based on Fig. 1~Figure 10, but high beam is saturating
Mirror body 20A is configured to, and will be from the incident light luminous intensity distributions of LED41：At the irradiation position as target in front, to above-mentioned
Predetermined range of exposures centered on LED41 optical axis L projects.Such lenticular body 20A is known structure in itself, and above-mentioned
Lenticular body 20 is different and is integrally formed into the bowl-shape of the frustum of a cone, and its axle center is consistent with LED41 optical axis L.
Be formed as in such lenticular body 20A bowl-shape tip side formed with incident section 21, the incident section 21 with LED41
Optical axis L centered on concentric circles and recessed to inner side with circular arc sectional shape towards emitting side, but be not provided with it is incident thoroughly
Minute surface 21a.In addition, outgoing plane 22 was positive round originally, but because closely being configured in the limited space on the surface of matrix 11
Relation on, lenticular body 20A periphery it is a part of overlapped, using the string of the part as among and turn into and arcuately cut
The shape opened.Also, opening has hole portion 23 at the center of outgoing plane 22, but be not above-mentioned lenticular body 20 hole portion 23 it is such
It is special possess bottom surface, the part of inner peripheral surface, lenticular body 20A is known in itself.
Each lenticular body 20,20A outgoing plane 22 are connected on the surface of matrix 11, also, each lenticular body 20,20A
Bowl-shape perisporium 24 bloats from the back side of matrix 11.Such matrix 11 be configured to be provided with each lenticular body 20,20A pairs
State (reference picture 23) in parallel therewith opposed at the front of the LED41 answered LED-baseplate (light source substrate) 40.LED-baseplate
Each LED41 on 40 is configured to optical axis L all towards equidirectional in LED-baseplate 40, and this will hereinafter be said
It is bright.
According to such light-distribution lens 10A, multiple lenticular bodies 20,20A can be used as a unit, pass through choosing
Light to selecting property each lenticular body 20 or LED41 corresponding with each lenticular body 20A, can optionally realize high beam or
The irradiation of dipped headlight.Especially dipped headlight and high beam can by a LED-baseplate 40 with it is identical towards installation
LED41 is realized.
In addition, lenticular body 20,20A global shape, the curved surface of perisporium 24, incident section 21 and outgoing plane 22 and hole portion
23 specific shape, structure are not limited to diagrammatically shown example, can suitably change.Such as other deformations
Example, can also as the light-distribution lens 10B shown in Figure 17~Figure 22, by the lenticular body 20B of dipped headlight be designed as width compared with
Big shape, or the lenticular body 20C of high beam is designed as the shape not overlapped each other.
In addition, as the other embodiments for eliminating diagram, can also be formed integrally complete on a matrix 11
The lenticular body 20 of portion's identical dipped headlight, 20B.
Next, as shown in Figure 23 and Figure 24, to using above-mentioned light-distribution lens 10A as part and including identification light
1 illustrates.This identification light 1 is for example installed on the front end vehicle of rolling stock.As shown in figure 21, identification light 1 is scattered with having concurrently
Lamp body 2, LED-baseplate 40 and the light-distribution lens 10A of hot device.Identification light 1 is mainly assembled by these three parts, each part difference
By advance blocking.In addition it is also possible to use other light-distribution lens 10B instead of light-distribution lens 10A.
The metal such as by aluminium alloy of lamp body 2 is and integrally formed, in face side, provided with for being carried out to LED-baseplate 40
Store and to the incorporating section 3 of the light-distribution lens 10A tubulars installed.Incorporating section 3 is flange shape in front openings, outer peripheral edge 3a
Ground protrudes.The bottom of incorporating section 3 is formed as flat mounting surface, and is provided with position for eliminating diagram from being installed on
The wiring of the power supply supply electric power of vehicle through inserting hole etc..In addition, the rear side in lamp body 2 is provided with radiator 5, dissipated at this
Hot device 5, rearward it is equipped with the multiple fin 4 extended parallel to each other.
LED-baseplate 40 is formed as the circle of the size consistent with the mounting surface at the bottom of above-mentioned incorporating section 3, in its surface shape
Into there is wired circuit, and multiple LED41 are installed on wired circuit.Herein, LED41 is surface installing type as described above
LED chip.Each LED41 configures the table in LED-baseplate 40 with the state of optical axis L direction and the equidirectional of the surface normal respectively
On face.
Light-distribution lens 10A is formed as the size consistent with the mounting surface at the bottom of above-mentioned incorporating section 3, each on the matrix 11
Mirror body 20,20A are corresponding with each LED41 in above-mentioned LED-baseplate 40.Such light-distribution lens 10A is to be installed on above-mentioned receipts
Receive portion 3 bottom LED-baseplate 40 front at opposed state in parallel therewith, be installed as covering the opening of incorporating section 3
The state of lid.
According to such identification light 1, by making the route of a part of light downward as using light-distribution lens 10A
Design, the straight ahead of the direct of travel for illuminating vehicle is able to ensure that using common lenticular body 20A, and utilize
Lenticular body 20 can also realize that also irradiation turns into the performance of the lower section on stock rail in the lump.Further, it is possible to reduce what is formed
Part number of packages, and also being capable of the overall miniaturization of realization device.
Especially with respect to light-distribution lens 10A, due to by each lenticular body 20 of different light distribution characteristics, the 20A shape of outgoing plane 22
Into on the same plane in the face side of matrix 11, thus the structures of light-distribution lens 10A in itself as a unit relative to
Relative configuration also can more simplify with LED-baseplate 40.In addition, the position of each LED41 installation, configuration do not limit especially
It is fixed, but be respectively configured as with the same directional state of optical axis L in a LED-baseplate 40, it is simple so as to concentrate
Ground is installed, and can easily be made.
More than, embodiments of the present invention are illustrated based on accompanying drawing, but specific structure be not limited to it is above-mentioned that
The embodiment of sample, do not depart from the present invention purport in the range of change, addition be also included in the present invention.For example, as above
It is described, lenticular body 20,20A global shape, the curved surface of perisporium 24, incident section 21 and outgoing plane 22 and hole portion 23 it is specific
Shape, structure be not limited to example illustrated, also can suitably be changed, light-distribution lens 10,10A, 10B are not limited
The optical components of various lighting devices is can be used as in identification light 1 to utilize.
Industrial applicability
The light-distribution lens of the present invention can widely be applied as the optical component of various lighting devices.
Claims (8)
1. a kind of light-distribution lens, it possesses lenticular body, and the lenticular body is by the light from the light source incidence along predetermined direction irradiation light
Luminous intensity distribution is the scope or direction being pre-designed,
Above-mentioned light-distribution lens are characterised by,
Light luminous intensity distribution from the above-mentioned light source incidence for being configured to the state that optical axis extends in the horizontal plane is by said lens body：
At the irradiation position as target in front, main range of exposures will be set on the lower than above-mentioned horizontal plane, and along than this
The center of range of exposures above-mentioned optical axis by the top or predetermined angular strengthens above-mentioned light on the lower than optical axis.
2. light-distribution lens according to claim 1, it is characterised in that
The said lens bodily form turns into tip side towards the bowl-shape of above-mentioned light source, and possesses：Incident section, on it is provided with tip side
State the light incidence centered on the optical axis of light source；Outgoing plane, its at the opposite side of tip side for use by solid bowl-shape inside after
Light project；Hole portion with the end, its position opening opposed on above-mentioned optical axis with above-mentioned incident section on the outgoing plane, and
It is recessed towards above-mentioned incident section to inner side；And reflecting surface, it is the inner surface of bowl-shape perisporium,
The surface of above-mentioned incident section and the bottom surface of above-mentioned hole portion are formed as predetermined lens shape opposed to each other, utilize the lens
Shape, light centered on the optical axis of above-mentioned light source along above-mentioned optical axis or than optical axis on the lower predetermined angular in above-mentioned hole portion
By being projected and from opening,
For, from the bottom surface of above-mentioned hole portion to incident around light, being totally reflected by above-mentioned incident section by above-mentioned reflecting surface
Afterwards, not by above-mentioned hole portion but from above-mentioned outgoing plane towards the injection of the lower section of above-mentioned horizontal plane.
3. light-distribution lens according to claim 2, it is characterised in that
Above-mentioned incident section is the concentric circles centered on the optical axis of above-mentioned light source, and recessed with circular arc sectional shape towards emitting side
Under, the center bottom on the recessed surface, formed with the entrance lens face protruded towards light source side with circular arc sectional shape.
4. light-distribution lens according to claim 3, it is characterised in that
In the bottom surface of above-mentioned hole portion, in the case that horizontal plane that the above-mentioned optical axis intersected with the bottom surface is extended is as centre,
Upside is formed as making the upper injection lens face by the light behind above-mentioned entrance lens face along optical axis direction straight ahead, and downside is formed
To make by the light behind above-mentioned entrance lens face to the lower injection lens in downward direction advanced intersected at a predetermined angle with optical axis
Face.
5. light-distribution lens according to claim 4, it is characterised in that
In the inner peripheral surface of above-mentioned hole portion, using up and down separate the inner peripheral surface above-mentioned horizontal plane ass centre in the case of, upside and
Above-mentioned optical axis extends parallel to, on the other hand, the lower inclination in downward direction laterally intersected at a predetermined angle with above-mentioned optical axis.
6. the light-distribution lens according to any one of claim 2~5, it is characterised in that
In above-mentioned reflecting surface, in the case that separately the above-mentioned horizontal plane of the reflecting surface is as centre up and down, upside is set to
Make to be diffused into what the bottom surface light by the top than above-mentioned hole portion was totally reflected to the lower direction intersected at a predetermined angle with above-mentioned optical axis
Critical angle, the bottom surface light on the lower that downside is set to make to be diffused into than above-mentioned hole portion are handed at a predetermined angle to above-mentioned optical axis
The critical angle of the lower direction total reflection of fork.
7. according to light-distribution lens according to any one of claims 1 to 6, it is characterised in that
It is formed integrally on a matrix to have multiple said lens bodies,
The outgoing plane of each lenticular body is connected on the surface of above-mentioned matrix, the back of the body of the bowl-shape perisporium of each lenticular body from above-mentioned matrix
Face bloats,
Above-mentioned matrix is configured at the front of light source substrate for being provided with light source corresponding with each lenticular body and above-mentioned light source base
Plate abreast opposed state,
Above-mentioned each light source is respectively with the same directional state configuration of optical axis on above-mentioned light source substrate.
A kind of 8. light-distribution lens, it is characterised in that
It is formed integrally on a matrix to have multiple lenticular bodies,
At least one lenticular body as dipped headlight in each lenticular body, it is lens according to any one of claims 1 to 6
Body,
In each lenticular body except above-mentioned dipped headlight by the use of lenticular body in addition at least one lenticular body as high beam, be configured to
Be by the light luminous intensity distribution from light source incidence, at the irradiation position as target in front, to using the optical axis of above-mentioned light source in
The predetermined range of exposures of the heart projects,
The outgoing plane of each lenticular body is connected on the surface of above-mentioned matrix, the back of the body of the bowl-shape perisporium of each lenticular body from above-mentioned matrix
Face bloats,
Above-mentioned matrix be configured to be provided with above-mentioned dipped headlight with and above-mentioned high beam the corresponding light source of each lenticular body
Light source substrate front at above-mentioned light source substrate abreast opposed state,
Above-mentioned each light source is respectively with the same directional state configuration of optical axis on above-mentioned light source substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610363454.4A CN107435881B (en) | 2016-05-27 | 2016-05-27 | Light distribution lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610363454.4A CN107435881B (en) | 2016-05-27 | 2016-05-27 | Light distribution lens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107435881A true CN107435881A (en) | 2017-12-05 |
| CN107435881B CN107435881B (en) | 2021-02-23 |
Family
ID=60454450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610363454.4A Active CN107435881B (en) | 2016-05-27 | 2016-05-27 | Light distribution lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107435881B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0117606A1 (en) * | 1983-01-28 | 1984-09-05 | Xerox Corporation | Collector for a LED array |
| CN102042559A (en) * | 2010-12-29 | 2011-05-04 | 东莞市永兴电子科技有限公司 | Second optical asymmetric lens |
| CN102506384A (en) * | 2011-10-21 | 2012-06-20 | 欧普照明有限公司 | Polarization type lens for light emitting diode (LED) lamp |
| CN203868946U (en) * | 2014-06-13 | 2014-10-08 | 刘炜斌 | Optical lens |
| CN205227200U (en) * | 2015-10-21 | 2016-05-11 | 深圳市中科锐电子有限公司 | Condenser lens |
-
2016
- 2016-05-27 CN CN201610363454.4A patent/CN107435881B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0117606A1 (en) * | 1983-01-28 | 1984-09-05 | Xerox Corporation | Collector for a LED array |
| CN102042559A (en) * | 2010-12-29 | 2011-05-04 | 东莞市永兴电子科技有限公司 | Second optical asymmetric lens |
| CN102506384A (en) * | 2011-10-21 | 2012-06-20 | 欧普照明有限公司 | Polarization type lens for light emitting diode (LED) lamp |
| CN203868946U (en) * | 2014-06-13 | 2014-10-08 | 刘炜斌 | Optical lens |
| CN205227200U (en) * | 2015-10-21 | 2016-05-11 | 深圳市中科锐电子有限公司 | Condenser lens |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107435881B (en) | 2021-02-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1676987B (en) | Vehicle illumination lamp | |
| US7670038B2 (en) | LED collimator element with an asymmetrical collimator | |
| CN101596880B (en) | Vehicle headlamp | |
| US9188297B2 (en) | Automotive headlamp forming multiple light distribution patterns with a single lamp | |
| JP4921372B2 (en) | LED collimator element with semi-parabolic reflector | |
| CN101275729B (en) | Lamp unit of vehicle headlight | |
| CN105090853B (en) | Lighting device and the automobile for possessing lighting device | |
| CN106662314A (en) | Lighting fixture unit and headlamp for vehicle | |
| CN102192456B (en) | Motorcycle projector headlight | |
| CN104864334B (en) | Lighting device and the automobile with lighting device | |
| CN104075206A (en) | Vehicle lighting unit | |
| TWI650256B (en) | Smart headlight | |
| CN101625097A (en) | Lamp | |
| CN101275730A (en) | Lamp unit for vehicle | |
| CN206540033U (en) | Modular lens vehicle lamp capable of improving illumination intensity | |
| WO2021109361A1 (en) | Vehicle lamp module and vehicle lamp | |
| CN100494772C (en) | Vehicle lamp | |
| TWI651489B (en) | Smart headlight | |
| CN205716859U (en) | A kind of LED automobile lens of distance-light one | |
| CN105276477B (en) | Composite light source car light | |
| JP4627246B2 (en) | Vehicle lighting | |
| CN108019713A (en) | The optical module for being used to project cutoff beam comprising horizontal focusing device | |
| JP6516455B2 (en) | Light distribution lens | |
| CN105387405A (en) | Lighting apparatus and motor vehicle | |
| US8371731B2 (en) | Vehicle lamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| REG | Reference to a national code |
Ref country code: HK Ref legal event code: DE Ref document number: 1247982 Country of ref document: HK |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |