CN108131595A - Lamps and lanterns - Google Patents
Lamps and lanterns Download PDFInfo
- Publication number
- CN108131595A CN108131595A CN201711224472.5A CN201711224472A CN108131595A CN 108131595 A CN108131595 A CN 108131595A CN 201711224472 A CN201711224472 A CN 201711224472A CN 108131595 A CN108131595 A CN 108131595A
- Authority
- CN
- China
- Prior art keywords
- light guide
- plate
- light
- plate light
- lamps
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
Abstract
A kind of lamps and lanterns are provided, have the plate light guide in direction needed for the light directing from light source incidence, wherein, even if before plate light guide and below in the case of relative to the inclined state configuration of the vertical guide comprising the required direction, can also avoid impairing from forward observation be in the lamps and lanterns of light source igniting state when appearance.Corresponding to plate light guide, (30 tilt rearward relative to the vertical guide comprising the required direction, make to be formed in multiple each reflecting elements (30s) of (30b) behind under lamps and lanterns main view from the lower face of plate light guide (30) (30f) towards upper surface (30e) to inclined direction (i.e. to the end for being located behind side in the both ends of each reflecting element (30s) than being located at the inclined direction of mode of the end of front side by close to sources (20)) is formed extended at both sides to the right relative to vertical direction.Thus, it can be seen that the highlights (B) to be shone with striated is formed extended at both sides approximately along the required direction (horizontal direction).
Description
Technical field
The present application is related to the lamps and lanterns for having plate light guide.
Background technology
Back and forth, it is known to have from the lamps and lanterns of the light guide in the required direction of the light directing of light source incidence, separately
Outside, as the light guide, it is known to have plate light guide.
It has recorded in " patent document 1 ", has been configured to as the plate light guide in this lamps and lanterns, made in the plate light guide
The light of interior guiding is emitted using the multiple reflecting element internal reflections being formed in behind from the front.
In the plate light guide recorded in " patent document 1 ", the front and below with along including the institute demander
The state extended to the vertical guide in (direction for guiding the light from light source to the incidence of plate light guide) is configured, in addition, respectively
Reflecting element is formed as extending along the direction orthogonal with the required direction.
Patent document 1：Japanese Unexamined Patent Publication 2013-206875 bulletins
In the lamps and lanterns recorded in " patent document 1 ", the lamp in the state of light source igniting is in from forward observation
During tool, it is seen that plate light guide is shone along the required direction with striated.
However, the composition as plate light guide, as the front and below with relative to including the institute demander
To the configuration of vertical guide inclined state composition when, if each reflecting element extends along the direction orthogonal with the required direction,
Then when being in the lamps and lanterns of state of light source igniting from forward observation, it will be seen that plate light guide is relative to the required direction
It is shone along inclined direction with striated.Thus the appearance of lamps and lanterns is impaired.
Invention content
The present application is completed in light of this situation, and it is an object of the present invention to provide a kind of have will be from the light directing of light source incidence
The lamps and lanterns of the plate light guide in required direction, wherein, even if before plate light guide and below with relative to including institute
In the case of the inclined state configuration of vertical guide in direction needed for stating, it can also avoid impairing from forward observation and be in light source point
The appearance during lamps and lanterns of bright state.
The present application is dedicated to the composition of plate light guide, is achieved in the purpose and realizes.
That is, the lamps and lanterns of the present application have light source and the plate leaded light by direction needed for the light directing from the light source incidence
Body,
The plate light guide is configured to, and is made using the multiple reflecting elements being formed in behind the plate light guide at this
The light internal reflection from the light source of plate leaded light navigation inside the body and before the plate light guide be emitted,
The multiple reflecting element along the direction that intersects with the required direction in a manner of extending, with along the institute demander
It is configured to the state of arrangement,
The plate light guide is with before the plate light guide and later in relation to the lead for including the required direction
The inclined state configuration of vertical plane,
The end that is located behind side ratio of each reflecting element into the both ends with the reflecting element is located at front side
End close to the light source the extension of mode inclined direction.
The type of " light source " is not specifically limited, such as can use light emitting diode, laser diode or light source
Light bulb etc. may.
" the plate light guide " as long as being formed as plate, specific section shape is not specifically limited.That is,
In " the plate light guide ", not only comprising tabular person is formed as, also include and be formed as along surface extending person, in addition, also wrapping
Be formed as curved containing the person that is formed as heavy wall, front and be formed as planar former etc. below.
The specific direction in " the required direction " is not specifically limited, such as can also use horizontal direction, upper and lower
To etc..
" multiple reflecting elements ", at this time can also be with even although being configured with the state along the required direction arrangement
The state configuration arranged continuously can also be configured with the state arranged at spaced intervals.
In the lamps and lanterns of the present application, the plate light guide in direction needed for the light directing from the light source incidence is formed
To make from the front to go out in the light internal reflection of the plate leaded light navigation inside the body using the multiple reflecting elements being formed in behind
It penetrates, also, multiple reflecting elements are in a manner of along the direction intersected with the required direction extension, with along the required direction row
The state configuration of row, but plate light guide is inclined with the front and later in relation to the vertical guide comprising the required direction
State is configured, in addition, each reflecting element is leaned on to the end for being located behind side in its both ends than being located at the end of front side
The inclined direction extension of mode of close to sources, therefore following this function and effect can be obtained.
That is, although plate light guide is inclined with the front and later in relation to the vertical guide comprising the required direction
State is configured, but since each reflecting element is leaned on to the end for being located behind side in its both ends than being located at the end of front side
The inclined direction extension of mode of close to sources, therefore when being in the lamps and lanterns of state of light source igniting from forward observation, can see
It is shone to plate light guide approximately along the required direction with striated.Moreover, thus, it is possible to avoid the appearance damage of lamps and lanterns.
In this way, according to the present application, having the plate light guide in direction needed for the light directing from light source incidence
In lamps and lanterns, even if before plate light guide and below with relative to the inclined shape of vertical guide comprising the required direction
In the case that state is configured, the appearance damage during lamps and lanterns for the state for being in light source igniting from forward observation can be also avoided.
In the composition, can also be configured to, as plate light guide, have with the required direction is orthogonal cuts open
Relative to the mutually different multiple regions in angle of inclination of the vertical guide comprising the required direction in face.It is such employing
In the case of composition, as long as being configured to each of the direction that each reflecting element is extended according to each region being set as different
Direction, then when being in the lamps and lanterns of state of light source igniting from forward observation, it can be seen that plate light guide is big in each region
Cause is shone along the required direction with striated.
At this point, can be configured to as multiple regions, have inclined relative to the vertical guide comprising the required direction
Direction is set to two regions of opposite directions.In the case where employing such form and from front
Observation in light source igniting state lamps and lanterns when, it can be seen that plate light guide each region approximately along the required direction with
Striated shines.
In the composition, it is configured to as plate light guide, makes the emergent light from light source from the plate light guide
It is described needed for direction end face it is incident, moreover, between the end face of light source and plate light guide, be configured with photocontrol portion
Part, the light control member are configured to the end face for making the emergent light from light source as substantially parallel light towards plate light guide
Outgoing, also, plate light guide end face be formed with make the emergent light from light control member be used as in plate light guide
Width direction on the light that spreads and incidence multiple lens elements, following this function and effect can be obtained in this way.
That is, can using from light source via light control member incidence light as in the width direction of plate light guide substantially
The light being equably distributed can be also set as in plate leaded light navigation inside the body, therefore for the emergent light from the front from broader
Range outgoing light.Therefore, when being in the lamps and lanterns of state of light source igniting from forward observation, it can be seen that plate light guide
With band-like, not striated shines, and thus enables that the appearance of lamps and lanterns improves.
Description of the drawings
Fig. 1 is the front view of the lamps and lanterns for the embodiment for representing the present application.
Fig. 2 is the II-II line profiles of Fig. 1.
The III-III line sections that Fig. 3 is Fig. 2 are schemed in detail.
(a) of Fig. 4 is the front view for the main composition element for representing the lamps and lanterns, (b) be represent previous example with (a) phase
Same figure.
(a) of Fig. 5 is the figure identical with Fig. 4 (a) for the effect for representing the embodiment, and (b) is to represent described previous
The figure identical with Fig. 4 (b) of the effect of example.
(a1) of Fig. 6 is the figure identical with Fig. 4 (a) for the first variation for representing the embodiment, and (a2) is (a1)
A2-a2 line profiles, (b1) is the figure identical with Fig. 4 (a) for the second variation for representing the embodiment, and (b2) is
(b1) b2-b2 line profiles.
(a) of Fig. 7 is the figure identical with Fig. 6 (a1) for the effect for representing the first variation, and (b) is to represent described
The figure identical with Fig. 6 (b1) of the effect of two variations.
(a) of Fig. 8 is the figure identical with Fig. 4 (a) for the third variation for representing the embodiment, and (b) is to represent institute
State the figure identical with (a) of the effect of third variation.
Reference sign
10 lamps and lanterns
12 lamp bodies
14 diffusers
16 elongated area components
20 light sources
20a light-emitting surfaces
30th, 130,230,330 plate light guide
Before 30a, 130a, 230a, 330a
Behind 30b, 130b, 230b, 330b
30c, 130c, 230c, 330c right side
30d, 130d, 230d, 330d left side
30e upper surfaces
30f lower faces
30s, 130s, 230s, 330s reflecting element
130A, 230A upper area
130B, 230B lower area
330g lens elements
340 light control members
The first faces of 340a
340a1 middle sections
340a2 neighboring areas
The second faces of 340b
B, B1, B2, B3, B4, B5 highlights
α, α 1, α 2, α 3,4 back sweep angles of α
θ, θ 1, θ 2, θ 3,4 side angles of inclination of θ
Specific embodiment
Hereinafter, using attached drawing, the embodiment of the present application is illustrated.
Fig. 1 is the front view of the lamps and lanterns 10 for the embodiment for representing the present application.In addition, it is the II-II lines of Fig. 1
Sectional view, the III-III line sections that Fig. 3 is Fig. 2 are schemed in detail.
As shown in these figures, the lamps and lanterns 10 of present embodiment are lamps apparatus for vehicle, are configured to set on the left front end of vehicle
Clearance lamps.
The lamps and lanterns 10 become following and form：In the lamp house formed in the diffuser 14 by lamp body 12 and transparence, light is accommodated
Source 20 and the plate light guide 30 to being guided from the incident light of the light source 20.
In addition, as lamps and lanterns 10, in these figures, the direction represented by the use of X is " front " (as vehicle and " front "),
The direction represented by the use of Y is " left direction " (as vehicle and " left direction "), but is " right direction " under lamps and lanterns main view), with Z tables
The direction shown is " upper direction ".
Plate light guide 30 is configured to the transparent forming synthetic resin product being made of acrylic resin etc..
The plate light guide 30 have lengthwise rectangular-shaped section, under lamps and lanterns main view along vehicle width direction it is horizontal-extending match
It puts.
At this point, the plate light guide 30 from its right side 30c (end face i.e. on the inside of vehicle width direction) towards left side 30d to
Rear side extends with displacement.Moreover, 30 future of plate light guide since the light source 20 of its left side 30d incidences light towards its
Right side 30c to the required direction that the plate light guide 30 is extended (i.e. towards before being laterally slightly tilted in vehicle width direction
The direction just horizontally extended) it guides.
With the front 30a and below, 30b is facing perpendicularly to the plate light guide 30 relative to comprising the required direction
The inclined state of rear side (i.e. the upper surface 30e of plate light guide 30 is located at the state than lower face 30f displacements rearward)
Configuration.
Ornamental elongated area component 16 is configured in a manner of surrounding plate light guide 30 in the lamp house.
Fig. 4 (a) is the front view for taking out light source 20 and the plate light guide 30 of lamps and lanterns 10 to represent.
As shown in Fig. 4 (a), light source 20 is white light-emitting diode, by its light-emitting surface 20a towards plate light guide 30
The state configuration of left side 30d (end face i.e. on the outside of vehicle width direction).Moreover, the light source 20 makes going out from its light-emitting surface 20a
It is incident to plate light guide 30 from its left side 30d to penetrate light.The light source 20 be installed on the state support of substrate (not shown) in
Lamp body 12 (or elongated area component 16 etc.).
30b behind to plate light guide 30 is formed with to make from its left side 30d incidences and in the plate light guide
The light guided in 30 are by being totally reflected multiple reflecting element 30s of internal reflection.
This states of multiple reflecting element 30s substantially to be arranged at spaced intervals along the required direction, throughout 30b below
Substantially the entire area be configured.
Each reflecting element 30d is formed as extending along the direction intersected with the required direction recessed with the section shape of wedge shape
Groove portion.At this point, each reflecting element 30s is formed as under lamps and lanterns main view, from the lower face 30f of plate light guide 30 towards upper surface
30e along relative to vertical direction (i.e. vehicle width direction on the outside of) inclined direction extension to the right.
At this point, each reflecting element 30s's is set to relative to the side tilt angle theta of vertical direction, relative to plate
Before light guide 30 30a and below 30b with the vertical guide comprising the required direction formed by back sweep angle [alpha]
(with reference to Fig. 2) is the value (such as being the value of θ=200 or so in the case of α=300) in the range of 0.5~1 times.
In addition, Fig. 4 (b) is will be relative to the plate light guide 30 ' that the plate light guide 30 of present embodiment is previous example
Figure represented together with light source 20, identical with Fig. 4 (a).
As shown in Fig. 4 (b), the basic composition of the plate light guide 30 ' of previous example is identical with plate light guide 30.
That is, the plate light guide 30 ' in a manner of from right side 30c ' towards left side 30d ' rearward displacement in vehicle
It is horizontal-extending in wide direction, the front 30a ' and below 30b ' with relative to the vertical guide comprising the required direction rearward
Inclined state configuration.
In addition, the 30b ' behind the plate light guide 30 ', is formed with to make from left side 30d ' incidences and in the plate
The light guided in shape light guide 30 ' is by being totally reflected multiple reflecting element 30s ' of internal reflection.
These states of multiple reflecting element 30s ' substantially to be arranged at spaced intervals along the required direction, throughout below
Be configured to the substantially the entire area of 30b ', each reflecting element 30s ' with wedge-shaped section shape be formed as with the required direction
The concave part that the side of intersection upwardly extends.
But the lower face 30f ' that each reflecting element 30s ' is formed as under lamps and lanterns main view in the plate light guide 30 '
Extend towards upper surface 30e ' along vertical direction.
Fig. 5 (a), (b) be represent plate light guide 30,30 ' when light source 20 is lighted it is illumination mode, with Fig. 4 (a) phases
Same figure.
As shown in Fig. 5 (a), in the plate light guide 30 of present embodiment, it is emitted from light source 20 and enters from left side 30d
The light guided in the plate light guide 30 after penetrating is emitted by multiple reflecting element 30s internal reflections from front 30a, so as to
See that plate light guide 30 is shone with striated.
On the other hand, it as shown in Fig. 5 (b), is emitted in previous plate light guide 30 ' and from light source 20 and from a left side
The light guided in the plate light guide 30 ' after end face 30d ' is incident is by multiple reflecting element 30s ' internal reflections and from front
30a ' is emitted, and visible plate light guide 30 ' is shone with striated.
At this point, the visible highlights B ' to be shone with striated is from the attached of left side 30d ' in previous plate light guide 30 '
It is closely oliquely downward extended obliquely near the 30f ' of lower face towards right side 30c ', and near the 30e ' of upper surface extremely
Extend to geosyncline inclined downward near the 30c ' of right side.
In this way, it is seen that the highlights B ' to be shone with striated two positions with the formation of oliquely downward inclined state be because
For, relative to 30a ' before plate light guide 30 ' and below 30b ' relative to the vertical guide comprising the required direction backward
It is tiltedly right that side rolls, and each reflecting element 30s ' is formed under lamps and lanterns main view in a manner of extending along vertical direction.
In addition, according to front 30a ' and the angle of inclination of 30b ' below, it is seen that the highlights B ' to be shone with striated is formed in
It is more than one position or 3 positions.
In contrast, it is visible in the plate light guide 30 of present embodiment to be shone with striated as shown in Fig. 5 (a)
Highlights B extends in a generally horizontal direction near the 30d of left side near the 30c of right side.
In this way, it is seen that it is because of corresponding to plate that the highlights B to be shone with striated is formed extended at both sides in a generally horizontal direction
30a and 30b is tilted rearward relative to the vertical guide comprising the required direction below before light guide 30, it is each to reflect
Element 30s under lamps and lanterns main view from the lower face 30f of plate light guide 30 towards upper surface 30e to relative to vertical direction to
The inclined direction in right side (i.e. to the end for being located behind side in the both ends of each reflecting element 30s than being located at front side
The inclined direction of mode of light source 20 is leaned in end) extension.
Next, the function and effect to present embodiment illustrate.
In the lamps and lanterns 10 of present embodiment, by the plate light guide 30 guided from the light of 20 incidence of light source to required direction
Be configured to, using be formed in the more a reflecting element 30s of 30b behind make the light internal reflection guided in the plate light guide 30 and
Be emitted from the front 30a, also, multiple reflecting element 30s in a manner of extending along the direction that intersects with the required direction with
Along the required direction, state is configured in a row, but plate light guide 30 with the front 30a and below 30b relative to including institute
The inclined state configuration of vertical guide in direction needed for stating, in addition, each reflecting element 30s under lamps and lanterns main view from plate light guide 30
Lower face 30f towards upper surface 30e to relative to vertical direction to the right inclined direction (i.e. to each reflecting element 30s
Both ends in the end for being located behind side than being located at the inclined direction of mode of the end of front side by light source 20) extension,
Therefore following function and effect can be obtained.
Although that is, plate light guide 30 with the front 30a and below 30b relative to the vertical for including the required direction
Face inclined state configuration, but due to each reflecting element 30s under lamps and lanterns main view from the lower face 30f directions of plate light guide 30
Upper surface 30e is to relative to vertical direction, inclined direction extends, therefore lighted being in light source 20 from forward observation to the right
State lamps and lanterns 10 when, it can be seen that plate light guide 30 is shone approximately along the required direction with striated.Moreover, by
This can be avoided the appearance damage of lamps and lanterns.
It, will be from the plate light guide in direction needed for the incident light directing of light source 20 having in this way, according to the present embodiment
In 30 lamps and lanterns 10, though before plate light guide 30 30a and below 30b with relative to including the required direction
In the case of the inclined state configuration of vertical guide, it can also avoid being in the lamps and lanterns 10 for the state that light source 20 is lighted from forward observation
When appearance damage.
In said embodiment, illustrate that each reflecting element 30s is formed as concave part, but can also use and be formed as convex
The composition in item portion.
In said embodiment, illustrate that plate light guide 30 is configured in the vehicle width direction horizontal-extendingly, but also may be used
To use the composition to be configured along the vertical direction, in a manner of inclined direction extension.
In said embodiment, illustrate before plate light guide 30 30a and below 30b relative to comprising described
The vertical guide in required direction tilts rearward, and each reflecting element 30s extends in lamps and lanterns main view lower edge from the inclined direction in right side,
But can also in contrast, using 30a before plate light guide 30 and below 30b relative to including the required direction
Vertical face forward rolls the composition that oblique, each reflecting element 30s extends in lamps and lanterns main view lower edge from the direction of left side.
In the case where employing such form, it can be seen that plate light guide 30 is approximately along the required direction with item
Line shape shines.
In said embodiment, situation of the lamps and lanterns 10 as the clearance lamps set on the left front end of vehicle is illustrated, but
Can also be lamps apparatus for vehicle (such as daytime running lamps, back light, brake lamp, turn signal lamp, the indoor lamp in addition to clearance lamps
Deng), it can also be the lamps and lanterns in addition to lamps apparatus for vehicle.
Next, the variation of the embodiment is illustrated.
First, the first variation of the embodiment is illustrated.
Fig. 6 (a1) is main composition element, identical with Fig. 4 (a) figure for the lamps apparatus for vehicle for representing this variation.Separately
Outside, Fig. 6 (a2) is the a2-a2 line profiles of Fig. 6 (a1).
As shown in these figures, the basic composition of this variation is identical with the situation of the embodiment, but plate is guide-lighting
The composition of body 130 and the number of light source 20 are different from the situation of the embodiment.
That is, the plate light guide 130 of this variation is to the institute identical with the plate light guide 30 of the embodiment
Demander to extension, before 130a and 130b is tilted rearward below, but is having the mutually different upper zone in angle of inclination
Domain 130A and lower area 130B this point are different from the situation of the embodiment.
At this point, the back sweep angle [alpha] 1 of lower area 130B is set to the plate light guide 30 with the embodiment
The identical value of back sweep angle [alpha], the back sweep angle [alpha] 2 of upper area 130A is set to than back sweep angle [alpha] 1
Big value.
In addition, face 130b is with multiple reflecting element 130s edges in the plate light guide 130 of this variation and behind
The state that direction needed for described substantially arranges at spaced intervals spreads and is configured to the substantially the entire area of 130b below, also, each
Reflecting element 130s is tilted to the right under lamps and lanterns main view relative to vertical direction.It generates, positioned at the part of lower area 130B
Side tilt angle theta 1 be set to the value identical with the side tilt angle theta of each reflecting element 30s of the embodiment,
Side tilt angle theta 2 positioned at the part of upper area 130A is set to the value bigger than side angle of inclination 81.
In this variation, two light sources 20 so that its light-emitting surface 20a towards in the left side 130d of plate light guide 30
Upper area 130A and lower area 130B part state configuration.
Fig. 7 (a) is represent plate light guide 130 when light source 20 is lighted illumination mode, identical with Fig. 6 (a1)
Figure.
As shown in Fig. 7 (a), in plate light guide 130, it is emitted from each light source 20 and at this after the 130d incidences of left side
The light guided in upper area 130A and lower area 130B in plate light guide 130 passes through in multiple reflecting element 130s
It reflects and is emitted from front 130a, so as to which visible plate light guide 130 is in the every of upper area 130A and lower area 130B
It is shone in one with striated.
At this point, in lower area 130B the visible highlights B1 to be shone with striated near the 130d of left side to right end
Extend in a generally horizontal direction near the 130c of face, in addition, the visible highlights to be shone with striated in upper area 130A
B2 extends in a generally horizontal direction near the 130d of left side near the 130c of right side.
In this way, it is seen that it is because of each anti-that highlights B1, the B2 to be shone with striated, which is all formed as extending in a generally horizontal direction,
Element 130s is penetrated in lower area 130B to extend, and upper with its 1 corresponding side tilt angle theta 1 of rear inclination angle alpha
Portion region 130A with its 2 corresponding side tilt angle theta 2 of rear inclination angle alpha to extend.
It is unrelated when being in the lamps and lanterns of state that light source 20 is lighted from forward observation by using the composition of this variation
It is different from back sweep angle at lower area 130B in the upper area 130A in the plate light guide 130, it can see
It is shone respectively approximately along the required direction with striated to upper area 130A and lower area 130B.
Next, the second variation to the embodiment illustrates.
Fig. 6 (b1) is main composition element, identical with Fig. 4 (a) figure for the lamps apparatus for vehicle for representing this variation.Separately
Outside, Fig. 6 (b2) is the b2-b2 line profiles of Fig. 6 (b1).
As shown in these figures, the basic composition of this variation is identical with the situation of the embodiment, but plate is guide-lighting
The composition of body 230 and the number of light source 20 are different from the situation of the embodiment.
That is, the plate light guide 230 of this variation is to the institute identical with the plate light guide 30 of the embodiment
Demander to extension, before 230a and 230b is tilted rearward below, but is having the mutually opposite upper zone in angle of inclination
Domain 230A and lower area 230B this point are different from the situation of the embodiment.
At this point, the back sweep angle [alpha] 3 of upper area 230A is set to the plate light guide 30 with the embodiment
The identical value of back sweep angle [alpha].On the other hand, lower area 230B has the shape symmetrical above and below with upper area 230A
Shape, therefore, rear inclination angle alpha 4 are set to the value identical with back sweep angle [alpha] 3.
In addition, in the plate light guide 230 of this variation and 230b is with multiple reflecting element 230s behind
The state substantially arranged at spaced intervals along the required direction spreads and is configured to the substantially the entire area of 230b below.Each reflection
Element 130s is tilted to the right under lamps and lanterns main view, positioned at the part of upper area 230A relative to vertical direction, positioned at lower part
The part of region 130B tilts to the left relative to vertical direction.
At this point, the side tilt angle theta 3 positioned at the part of upper area 230A be set to it is each with the embodiment
The identical value of the side tilt angle theta of reflecting element 30s, the side tilt angle theta 4 positioned at the part of lower area 130B are set
It is set to the value identical with side tilt angle theta 3.
In this variation, two light sources 20 so that its light-emitting surface 20a towards in the left side 30d of plate light guide 30
The state configuration of the part of upper area 230A and lower area 230B.
Fig. 7 (b) is represent plate light guide 230 when light source 20 is lighted illumination mode, identical with Fig. 6 (b1)
Figure.
As shown in Fig. 7 (b), in plate light guide 230, it is emitted from each light source 20 and at this after the 230d incidences of left side
The light guided in upper area 230A and lower area 230B in plate light guide 230 passes through in multiple reflecting element 230s
It reflects and is emitted from front 230a, so as to which visible plate light guide 230 is in the every of upper area 230A and lower area 230B
It is shone in one with striated.
At this point, in upper area 230A the visible highlights B3 to be shone with striated near the 230d of left side to right end
Extend in a generally horizontal direction near the 230c of face, in addition, the visible highlights to be shone with striated in lower area 230B
B4 extends in a generally horizontal direction near the 230d of left side near the 230c of right side.
In this way, it is seen that it is because of each anti-that highlights B3, the B4 to be shone with striated, which is all formed as extending in a generally horizontal direction,
Element 230s is penetrated in upper area 230A to extend, and under with its 3 corresponding side tilt angle theta 3 of rear inclination angle alpha
Portion region 230B with its 4 corresponding side tilt angle theta 4 of rear inclination angle alpha to extend.
It is unrelated when being in the lamps and lanterns of state that light source 20 is lighted from forward observation by using the composition of this variation
Upper area 230A in the plate light guide 230 and above and below the back sweep angle of lower area 130B on the contrary, can
Enough see that upper area 230A and lower area 230B are shone respectively approximately along the required direction with striated.
Next, the third variation to the embodiment illustrates.
Fig. 8 (a) is main composition element, identical with Fig. 4 (a) figure for the lamps apparatus for vehicle for representing this variation.
As shown in Fig. 8 (a), the basic composition of this variation is identical with the situation of the embodiment, but plate is guide-lighting
The shape of the left side 330d of body 330 is different from the situation of the embodiment, in addition, in its left side 330d (i.e. described institutes
Demander to end face) between light source 20, be configured be configured to using the emergent light from light source 20 as substantially parallel light and
The situation of the light control member 340 being emitted towards the left side 330d of plate light guide 330, this point and the embodiment is not
Together.
Light control member 340 is formed as the transparent forming synthetic resin product being made of acrylic resin etc..
The light control member 340 is configured to the plate-shaped member being configured in the plane identical with plate light guide 30.
The light control member 340 is configured to, and makes the emergent light from light source 20 after the first face 340a incidences, from its second
Face 340b is emitted.
First face 340a of light control member 340 has：Make the light of the centre of luminescence from light source 20 as directional light and
Incident middle section 340a1；Neighboring area 340a2, make in the both sides of middle section 340a1 from light source 20 shine in
Pass through after the direction incidence that the light of the heart leaves in direction to both sides, as the directional light towards the first face 340a anti-in total reflection
It penetrates.
On the other hand, the second face 340b of light control member 340 is big with the left side 330d of plate light guide 330 by separating
The plane of equal interval configuration is caused to form, make from the substantially parallel light of the middle section 340a1 incidences of the first face 340a and
The substantially parallel light that 340a2 reflects in its neighboring area become substantially parallel light as former state and to the left end of plate light guide 330
Face 330d is incident.
Multiple lens element 330g are formed in a row in the width direction in the left side 330d of plate light guide 330.Respectively
Lens element 330g is formed as the convex cylindrical lens shape along the plate thickness direction extension of plate light guide 330.It is moreover, more using these
A lens element 330g, makes the emergent light from light control member 340 be spread as in the width direction of plate light guide 330
Light it is incident to plate light guide 330.
As a result, the whole region of left side 330d is emitted and reaches from light control member 340 in plate light guide 330
After substantially parallel light is as the light incidence spread in the direction of the width using multiple lens element 330g, in the plate light guide
It is guided in 330 towards right side 230c.
Fig. 8 (b) is represent plate light guide 330 when light source 20 is lighted illumination mode, identical with the figure (a)
Figure.
As shown in Fig. 8 (b), in plate light guide 330 from light source 20 via the light that light control member 340 is emitted from left end
After the 330d incidences of face, the light that guides in the plate light guide 330 is by being formed in multiple reflecting elements of 330b below
330s internal reflections and be emitted from front 330a, so as to visible plate light guide 330 on substantially entire width as generally uniform
Highlights B5 with it is band-like shine.
This is because the emergent light from light control member 340 reaches the left side of plate light guide 330 as directional light
The whole region of 230d is used as what is spread in the direction of the width by the multiple lens element 330g for being formed in left side 230d
Light is guided in the plate light guide 330.
By using the composition of this variation, can using from light source 20 via the incident light of light control member 340 as
The light being substantially uniformly distributed in the width direction of plate light guide 330 guides in plate light guide 330, therefore for coming from
The emergent light of the front 330a can also be set as the light from broader range outgoing.Therefore, it is being in light source from forward observation
During the lamps and lanterns of 20 states lighted, it can be seen that plate light guide 330 is with band-like and not striated shines, and thus enables that lamp
The appearance of tool improves.
In the third variation, illustrate that each lens element 330g is formed as convex cylindrical lens shape, but can also adopt
With the composition for being formed as recessed cylindrical lens shape etc..
In addition, the numerical value shown in the embodiment and its variation as various specifications is an example
Son, naturally it is also possible to which they are appropriately set to different values.
In addition, the present application is not limited to the embodiment and the composition recorded in its variation, can adopt
With the composition for adding various changes in addition to this.
Claims (4)
1. a kind of lamps and lanterns, have light source and the plate light guide by direction needed for the light directing from the light source incidence, feature exists
In,
The plate light guide is configured to, and is made using the multiple reflecting elements being formed in behind the plate light guide in the plate
The light internal reflection of guide-lighting navigation inside the body and before the plate light guide be emitted,
The multiple reflecting element is in a manner of along the direction intersected with the required direction extension, to be arranged along the required direction
The state configuration of row,
The plate light guide is with before the plate light guide and later in relation to the vertical guide for including the required direction
Inclined state configuration,
End of the end that is located behind side of each reflecting element into the both ends with the reflecting element than being located at front side
Portion is close to the inclined direction extension of mode of the light source.
2. lamps and lanterns according to claim 1, which is characterized in that
The plate light guide has the mutually different multiple regions in angle of inclination in the section orthogonal with the required direction,
The direction that each reflecting element is extended is set to different directions according to each of each region.
3. lamps and lanterns according to claim 2, which is characterized in that
As the multiple region, have inclined in the opposite directions to each other relative to the vertical guide comprising the required direction
Two regions.
4. lamps and lanterns according to any one of claim 1 to 3, which is characterized in that
The plate light guide is configured to, and makes the emergent light from the light source from the required direction in the plate light guide
End face it is incident,
Light control member is configured between the end face of the light source and the plate light guide, which is configured to
The emergent light from the light source is made as substantially parallel light to be emitted towards the end face of the plate light guide,
Being formed in the end face of the plate light guide makes the emergent light from the light control member be used as in the plate
The light that is spread in the width direction of light guide and multiple lens elements of incidence.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016-233844 | 2016-12-01 | ||
| JP2016233844A JP6742228B2 (en) | 2016-12-01 | 2016-12-01 | Lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108131595A true CN108131595A (en) | 2018-06-08 |
| CN108131595B CN108131595B (en) | 2020-07-31 |
Family
ID=62388832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711224472.5A Active CN108131595B (en) | 2016-12-01 | 2017-11-29 | Lamp fitting |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6742228B2 (en) |
| CN (1) | CN108131595B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110953547A (en) * | 2019-12-10 | 2020-04-03 | 东风汽车有限公司 | Thick-wall part for vehicle lamp and vehicle lamp |
| CN112969888A (en) * | 2018-11-02 | 2021-06-15 | 株式会社小糸制作所 | Vehicle lamp |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4094988A4 (en) | 2020-01-21 | 2023-07-26 | Koito Manufacturing Co., Ltd. | Vehicle lighting fixture |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1334910A (en) * | 1998-11-27 | 2002-02-06 | 夏普株式会社 | Illuminator, illuminating device, front light and liquid crystal display |
| CN101149141A (en) * | 2006-09-19 | 2008-03-26 | 株式会社小糸制作所 | Projection-type vehicle headlamp |
| CN101457892A (en) * | 2007-12-14 | 2009-06-17 | 株式会社小糸制作所 | Vehicle lamp assembly |
| CN101818884A (en) * | 2009-02-11 | 2010-09-01 | 通用汽车环球科技运作公司 | The light pipe that is used for vehicle lamp assembly |
| CN102818203A (en) * | 2011-06-07 | 2012-12-12 | 株式会社小糸制作所 | Vehicle lamp |
| JP2014127413A (en) * | 2012-12-27 | 2014-07-07 | Ichikoh Ind Ltd | Vehicle lighting appliance |
| CN203810239U (en) * | 2014-04-08 | 2014-09-03 | 佳欣光电科技股份有限公司 | LED illuminating lamp for vehicle |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5275776B2 (en) * | 2008-12-17 | 2013-08-28 | 株式会社小糸製作所 | Vehicle lighting |
| JP6086766B2 (en) * | 2013-03-12 | 2017-03-01 | シャープ株式会社 | Planar light emitting device and liquid crystal display device |
| JP6082992B2 (en) * | 2013-07-03 | 2017-02-22 | パナソニックＩｐマネジメント株式会社 | Lighting device, lamp and vehicle |
| JP6249556B2 (en) * | 2013-10-23 | 2017-12-20 | 株式会社小糸製作所 | Vehicle lamp |
| JP6511244B2 (en) * | 2014-10-10 | 2019-05-15 | 株式会社小糸製作所 | Lighting light guide |
-
2016
- 2016-12-01 JP JP2016233844A patent/JP6742228B2/en active Active
-
2017
- 2017-11-29 CN CN201711224472.5A patent/CN108131595B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1334910A (en) * | 1998-11-27 | 2002-02-06 | 夏普株式会社 | Illuminator, illuminating device, front light and liquid crystal display |
| CN101149141A (en) * | 2006-09-19 | 2008-03-26 | 株式会社小糸制作所 | Projection-type vehicle headlamp |
| CN101457892A (en) * | 2007-12-14 | 2009-06-17 | 株式会社小糸制作所 | Vehicle lamp assembly |
| CN101818884A (en) * | 2009-02-11 | 2010-09-01 | 通用汽车环球科技运作公司 | The light pipe that is used for vehicle lamp assembly |
| CN102818203A (en) * | 2011-06-07 | 2012-12-12 | 株式会社小糸制作所 | Vehicle lamp |
| JP2014127413A (en) * | 2012-12-27 | 2014-07-07 | Ichikoh Ind Ltd | Vehicle lighting appliance |
| CN203810239U (en) * | 2014-04-08 | 2014-09-03 | 佳欣光电科技股份有限公司 | LED illuminating lamp for vehicle |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112969888A (en) * | 2018-11-02 | 2021-06-15 | 株式会社小糸制作所 | Vehicle lamp |
| CN112969888B (en) * | 2018-11-02 | 2023-11-14 | 株式会社小糸制作所 | Lamp for vehicle |
| CN110953547A (en) * | 2019-12-10 | 2020-04-03 | 东风汽车有限公司 | Thick-wall part for vehicle lamp and vehicle lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6742228B2 (en) | 2020-08-19 |
| JP2018092753A (en) | 2018-06-14 |
| CN108131595B (en) | 2020-07-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10214140B2 (en) | Elongate illuminated automotive design element | |
| JP5711600B2 (en) | Vehicle lighting | |
| JP6264789B2 (en) | Vehicle lighting | |
| CN105393047B (en) | Lamps apparatus for vehicle | |
| JP6696793B2 (en) | Vehicle lighting | |
| CN108131595A (en) | Lamps and lanterns | |
| JP7083830B2 (en) | Light emitting module with light guide plate for automobile headlights | |
| CN208107969U (en) | Light guide assemblies, illumination or signal indicating device and motor vehicles | |
| CN112344293B (en) | Lighting device | |
| JP6484096B2 (en) | Vehicle light guide, vehicle lamp | |
| JP6109503B2 (en) | Vehicle lighting | |
| JP6546768B2 (en) | Vehicle light guide, vehicle lamp | |
| JP7258150B2 (en) | Automobile headlamp lighting device and automobile headlamp | |
| JP6829973B2 (en) | Lamp unit | |
| CN113195967B (en) | Lighting device for a motor vehicle headlight and motor vehicle headlight | |
| JP6901354B2 (en) | Vehicle lighting | |
| JP5708991B2 (en) | Vehicle lamp and light guide lens used in vehicle lamp | |
| JP6221438B2 (en) | Vehicle lighting | |
| TWM451275U (en) | Vehicle lamp lens with uniform brightness generating | |
| JP2016181364A (en) | Vehicle lamp fitting | |
| JP2023155612A (en) | Lamp for vehicle | |
| JP2017103173A (en) | Vehicular lighting tool | |
| JP2012243678A (en) | Lamp | |
| JP6227346B2 (en) | Light guide plate, surface light emitting device, and vehicle lamp | |
| CN205878058U (en) | Lighting 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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |