CN109973934A - Lamps and lanterns - Google Patents
Lamps and lanterns Download PDFInfo
- Publication number
- CN109973934A CN109973934A CN201811493750.1A CN201811493750A CN109973934A CN 109973934 A CN109973934 A CN 109973934A CN 201811493750 A CN201811493750 A CN 201811493750A CN 109973934 A CN109973934 A CN 109973934A
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- China
- Prior art keywords
- light
- state
- lamps
- lamp
- lanterns
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
- F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
- F21S43/14—Light emitting diodes [LED]
-
- 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
- F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
- F21V14/003—Controlling the distribution of the light emitted by adjustment of elements by interposition of elements with electrically controlled variable light transmissivity, e.g. liquid crystal elements or electrochromic devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2103/00—Exterior vehicle lighting devices for signalling purposes
- F21W2103/20—Direction indicator lights
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2103/00—Exterior vehicle lighting devices for signalling purposes
- F21W2103/35—Brake lights
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2103/00—Exterior vehicle lighting devices for signalling purposes
- F21W2103/45—Reversing lights
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
- F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The present invention provides a kind of change freedom degree that can be improved appearance and the excellent lamps and lanterns of design.The first lamp (1) of rear portion mark lamp (10) has light source (31) and light modulation piece (33), the light modulation piece (33) is penetrated for the light (L1) projected from light source (31), and can be penetrated in haze value mutually different at least first through state and second and be switched between state.
Description
Technical field
The present invention relates to a kind of lamps and lanterns more particularly to a kind of lamps and lanterns that design is excellent.
Background technique
Lamps and lanterns sometimes require that raising design because of purposes difference.For example, being configured at the lamps apparatus for vehicle in the outside of vehicle
Constitute a part of the appearance of vehicle, therefore the trend with adequate attention.For example, being disclosed in following patent documents 1
A kind of lamps and lanterns successively have light source, the colored filter of regulation color from a side to the other side, with the light transmission penetrated for light
The outer lens of the optical filter of the light shielding part of portion and shielding light, netrual colour (achromatic color).The light of the lamps and lanterns
Learning optical filter has the coloring layer formed on the surface of the outer lens side of light shielding part, the color and colored filter of the coloring layer
Color it is different.In the lamps and lanterns, when non-lit up, exterior light is radiated at the outer lens side of optical filter through outer lens
Surface on, to observe the coloring layer of optical filter via the outer lens of lamps and lanterns.On the other hand, when lighting, due to
Light shot from the light source is projected through colored filter, the transmittance section of optical filter and outer lens and to outside, therefore lamp
Tool is lighted with the color of colored filter.So, the color in the lamps and lanterns, when enabling to light and non-lit up
Tune changes, thus optimization design.
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 8-235904 bulletin
Summary of the invention
Problems to be solved by the invention
However, in the lamps and lanterns documented by above patent document 1 appearance cannot be changed when lighting, when non-lit up.Cause
This, the requirement that there is the freedom degree for wishing to improve change appearance and reach higher design.
Therefore, the object of the present invention is to provide a kind of change freedom degree that can be improved appearance and design it is excellent
Lamps and lanterns.
The means solved the problems, such as
To achieve the goals above, lamps and lanterns of the invention are characterized in that, have light source and light modulation piece, the light modulation piece
It is penetrated for the light projected from the light source, and shape can be penetrated through state and second in haze value mutually different at least first
Switch between state.
Haze value is the value for indicating the degree of diffusion of the light through component when penetrating, by making haze value change
And the degree of the diffusion for the light for penetrating component is made to change.Therefore, the state of the light projected from the component changes.At this
In lamps and lanterns, as described above dim piece can haze value it is mutually different at least first through state and second through state it
Between switch.Therefore, by will dim piece from first through state to second through state switch or from second through state to
First switches through state, and when lighting, the degree of diffusion when light shot from the light source is diffused by dimming piece occurs
The state of variation, the light projected from lamps and lanterns changes.Therefore, the appearance of lamps and lanterns when lighting can be changed.In addition, in non-point
When bright, the degree of diffusion when exterior light is diffused by dimming piece changes, via the view of the light source side of light modulation piece
Feel that identification changes.Therefore, the appearance of lamps and lanterns when can change non-lit up.Thus, it is possible to improve the appearance of lamps and lanterns
Freedom degree is changed, and realizes the excellent lamps and lanterns of design.
Preferably, the first haze value for penetrating the light modulation piece under state is 20% hereinafter, second penetrates under state
The light modulation piece haze value be 80% or more.
In general, component haze value be 20% situation below under, people can via the component and visuognosis with from
The opposite side in side locating for body, so that having the component identification is transparent trend.In addition, the haze value in component is
In the case where 80% or more, people be difficult to via the component and visuognosis with itself locating for the opposite side in side, to have
Have the tendency that the component identification being opaque.Therefore, being set as first by will dim piece enables to this through state
Light modulation piece seem transparent, by will dim piece be set as second transmission state enable to the light modulation piece to seem impermeable
It is bright.It therefore, is 20% below first through state by the way that light modulation piece is set as haze value when non-lit up, it can be from outside
Via light modulation piece visuognosis can be carried out to the component for being configured at light source side on the basis of dimming piece.On the other hand, lead to
To dim that piece is set as that haze value is 80% or more second is crossed through state, it can not be by light modulation piece come the visuognosis structure
Part.To realize the excellent lamps and lanterns of design.
In addition, usually having the state of the light with injection substantially in the case where the haze value of component is 20% situation below
The trend that the light of identical state is projected from the component.On the other hand, in the case where the haze value of component is 80% or more, light
It is spread when through component, the state of component is different from from state as component injection light, has and is formed as the component
A part generally uniformly shine the trend of such state.Thus, for example the light emission in defined light distribution patterns enters light modulation
In the case where piece, it is 20% below first through state that light modulation piece, which is set as haze value, the light thus projected from light modulation piece
Be formed as the light for the light distribution patterns being substantially the same with the defined light distribution patterns.Therefore, it can be penetrated from the outgoing plane of the light of lamps and lanterns
The light of defined light distribution patterns out.In addition, by when lighting by dim piece be set as haze value be 80% or more second thoroughly
State is crossed, generally uniformly shining in light modulation piece with the entirety on the surface of light source side opposite side is enabled to.In this way
The light modulation piece that ground shines enables to the entirety of the outgoing plane of the light of lamps and lanterns generally uniformly to shine.Thus, it is possible to improve lamps and lanterns
Appearance change freedom degree, and realize the excellent lamps and lanterns of design.
The switching being also possible between the injection state of the lamps and lanterns and the light in the light source and the non-injection state of light
Mutually linkedly switch the light modulation piece first penetrates state through state and second.
By being set as such composition, do not penetrated according to the injection state of the light in light source and the non-of light even with person
Switching between doing well and carry out the first of light modulation piece through state and second through the switching between state, be also able to suppress
The appearance of lamps and lanterns forms the appearance different from defined appearance.
Being also possible to the light source can be in mutually different first luminance of the injection state of light and the second luminous shape
Switch between state, the switching between the lamps and lanterns and the first luminance and the second luminance of the light source is mutually linkedly cut
Change the light modulation piece first penetrates state through state and second.
By being set as such composition, even with person not according to the first luminance of light source and the second luminous shape
Switching between state and carry out the first of light modulation piece through state and second through the switching between state, be also able to suppress lamps and lanterns
Appearance form the appearance different from defined appearance.
Preferably, it is also equipped with the optics of the light for entering and projecting defined light distribution patterns from the light emission that the light source projects
Component.
Such as when lighting, will dim piece be set as haze value be 20% state below in the case where, such as it is above-mentioned that
Sample can project the light of defined light distribution patterns from the outgoing plane of the light of lamps and lanterns.In addition, being set as when lighting piece will be dimmed
In the case where the state that haze value is 80% or more, enable to the entirety of the outgoing plane of the light of lamps and lanterns substantially equal as described above
It shines evenly.Therefore, it can be improved the change freedom degree of the appearance of lamps and lanterns, and realize the excellent lamps and lanterns of design.
It is also possible to the lamp installation in the external injection light on vehicle and towards the vehicle.
For example, making in the case where the lamps and lanterns to be set as having the function of the lamps and lanterns of the function of taillight and brake lamp
The case where functioning for taillight and as brake lamp and in the case where functioning, the first of switch light modulation piece penetrate state
State is penetrated with second.In this way, enable to the appearance for the case where functioning as taillight and as brake lamp and
The appearance for the case where functioning is different from each other.Therefore, compared with the situation identical with appearance, people's note until outside vehicle can be shortened
Anticipate to lamps and lanterns illuminating state variation time, so as to improve prompting function.
Invention effect
According to the above such present invention, it is capable of providing a kind of change freedom degree that appearance can be improved and design is excellent
Lamps and lanterns.
Detailed description of the invention
Fig. 1 is the figure for indicating the example of the vehicle equipped with lamps and lanterns involved in embodiments of the present invention.
Fig. 2 is the cross-sectional view for summarily indicating the first lamp shown in FIG. 1.
Fig. 3 is the cross-sectional view for summarily indicating a part of light modulation piece shown in Fig. 2.
Fig. 4 is the figure that a part of lamps and lanterns involved in second embodiment of the present invention is indicated in the same manner as Fig. 2.
Fig. 5 is the figure for summarily indicating the state of a part of the outgoing plane of light of the first lamp when lighting.
Fig. 6 is the figure that a part of lamps and lanterns involved in third embodiment of the present invention is indicated in the same manner as Fig. 2.
Fig. 7 is the figure for summarily indicating the state of a part of the outgoing plane of light of the first lamp when lighting.
Description of symbols
1: the first lamp (lamps and lanterns)；10: rear portion mark lamp；20: shell；22S: the surface (light of lamps and lanterns of the outer side of front shroud
Outgoing plane)；30: lamp unit；31: light source；32: reflector；33: light modulation piece；34: control unit；35: input unit；50: optics
Component；55: light conducting member；VE: vehicle.
Specific embodiment
Hereinafter, being illustrated referring to embodiment of the attached drawing to lamps and lanterns according to the present invention.Implement illustrated by below
Mode is made to be easy to understand the present invention, and being not intended to limit property explains the present invention.The present invention can be not inclined
It changed, improved according to the following embodiments and the accompanying drawings under the premise of from its purport.
(first embodiment)
Fig. 1 is the figure for indicating the example of the vehicle equipped with lamps and lanterns involved in present embodiment, and is seen from rear side
Examine the figure of vehicle VE.As shown in Figure 1, the back side of the vehicle VE in present embodiment, respectively each setting one in the lateral direction
Rear portion mark lamp 10, the lamps and lanterns of present embodiment are set as a part of the rear portion mark lamp 10.The rear portion mark lamp 10 is to vehicle
The external of VE exposes, and projects light towards the rear of vehicle VE to be shown.
The rear portion mark lamp 10 of present embodiment is successively had the first lamp 1, the second lamp 2, third lamp 3 by top, and should
First lamp 1 is set as the lamps and lanterns of present embodiment.In the present embodiment, the first lamp 1 is configured to light up as red and can become
Change brightness, the second lamp 2 lights up as white, and third lamp 3 lights up as orange.Specifically, when having lighted the headlamp of vehicle VE, this
First lamp 1 of embodiment, to light, and is functioned with the first regulation brightness as taillight.In addition, operating vehicle
Second regulation brightness of first lamp 1 to become clear than the first regulation brightness and is sent out to light as brake lamp when the brake of VE
Wave function.When the gear of vehicle VE is entered and reversed gear, the second lamp 2 of present embodiment is lighted, and is played as back-up lamp
Function.When operating the direction indicator of vehicle VE, the third lamp 3 of present embodiment flashes, and plays as turn signal
Function.
Fig. 2 is the cross-sectional view for summarily indicating the first lamp shown in FIG. 1, and is the horizontal direction for summarily indicating the first lamp
Section figure.As shown in Fig. 2, the first lamp 1 of present embodiment has shell 20 and lamp unit 30 as main composition.
The shell 20 of present embodiment has lamp housing 21, front shroud 22 as main composition.Outside the lamp of present embodiment
The front of shell 21 is open, and front shroud 22 is fixed on lamp housing 21 in a manner of blocking the opening.The front shroud 22 of present embodiment
With translucency and it is colored as red.
The space formed by lamp housing 21 and the front shroud 22 blocked to the opening in the front of the lamp housing 21
It is lamp house R, accommodates lamp unit 30 in lamp house R.
The lamp unit 30 of present embodiment have light source 31, reflector 32, light modulation piece 33 and control unit 34 as
Main composition is electrically connected with the electronic control dress of light source 31, light modulation piece 33, input unit 35 and vehicle VE on control unit 34
Set equal controller 36.In addition, lamp unit 30 is fixed in shell 20 by composition (not shown).
The light source 31 of present embodiment has a plurality of light-emitting elements 41 for being installed on circuit substrate 40.A plurality of light-emitting elements 41
It is configured to array-like, is supplied electric power via circuit substrate 40 to each light-emitting component 41.For such light source 31, pass through adjusting
The intensity that the light L1 projected from each light-emitting component 41 can be adjusted to the electric power of each light-emitting component 41 is supplied, in this implementation
The light L1 of white is projected in mode from light-emitting component 41.As such light-emitting component 41, such as use light emitting diode (LED)
Deng.
Wherein, the first lamp 1 of present embodiment as described above as when lighting the mutually different taillight of brightness and
Brake lamp and function.Therefore, when the first lamp 1 is functioned as taillight, light source 31 is set as projecting prescribed strength
Light the first luminance.In addition, light source 31 is set as injection than existing when the first lamp 1 is functioned as brake lamp
Second luminance of the light of the high prescribed strength of the intensity of the light projected when being functioned as taillight.That is, 31 quilt of light source
It is set as to switch between mutually different first luminance of injection state of light and the second luminance.As long as in addition,
Light source 31 can irradiate light, and the quantity of light-emitting component 41, configuration are not particularly limited.For example, light source 31 can have
The light-emitting component 41 of light is projected when the first lamp 1 is functioned as taillight and is played in the first lamp 1 as brake lamp
Other light-emitting components 41 of light are projected when function.Alternatively, it is also possible to be, light source 31 can project light via light guide plate etc..
The reflector 32 of present embodiment is set as being opposed to the tabular component of the non-light transmittance of configuration with light source 31, from
On the basis of the reflector 32 in the case where 31 side of unilateral observation light source opposite with 31 side of light source, the entirety of light source 31 is anti-
Emitter 32 is covered.On the surface of the side opposite with 31 side of light source of reflector 32, it is provided with the shapes such as metal evaporation
At reflectance coating (not shown).In addition, being provided with the multiple through holes 42 penetrated through on plate thickness direction on reflector 32.It is more
A through hole 42 is generally circular, and respectively corresponds with a plurality of light-emitting elements of light source 31 41, projects from each light-emitting component 41
The major part of light L1 pass through through hole 42 corresponding to each light-emitting component 41.Transmitter 32 is configurable to and circuit substrate
Separation, can also be fixed on circuit substrate 40.In addition, in fig. 2 it is shown that the side isolated with circuit substrate 40 of reflector 32
Formula.In addition, reflector 32 can have concaveconvex shape, the outer peripheral edge portion of reflector 32 can be to the side opposite with 31 side of light source
Extend.As long as the through hole 42 of reflector 32 is not by spy in addition, can pass through for the major part of the light L1 projected from light source 31
It does not limit.For example, the through hole 42 of reflector 32 can be rectangle, the component with translucency can use also to block this
Through hole 42.
The side opposite with 31 side of light source, is opposed to configure this embodiment party with reflector 32 on the basis of by reflector 32
The light modulation piece 33 of formula, the light modulation piece 33 of present embodiment is for the light L1 from the injection of light source 31 and the through hole 42 by reflector 32
Through.The surface that light modulation piece 33 is configurable on the inside of the lamp house R with front shroud 22 connects, and is also configurable to divide with front shroud 22
From.In addition, in fig. 2 it is shown that dimming the mode isolated with front shroud 22 of piece 33.
Fig. 3 is the cross-sectional view for summarily indicating a part of light modulation piece 33 shown in Fig. 2.As shown in figure 3, present embodiment
Light modulation piece 33 have liquid crystal layer 45, a pair of of transparent electrode 46 and a pair of of protective layer 47 as main composition.
A pair of of transparent electrode 46 is the electrode for having translucency and being configured in a manner of clamping liquid crystal layer 45.A pair of transparent
In electrode 46, voltage can be applied through not shown driving circuit.A pair of of protective layer 47 is with translucency and to sandwich
The layer that the mode of a pair of of transparent electrode 46 configures, covered by a pair of protective layer 47 a pair of of transparent electrode 46 and liquid crystal layer
The surface of 45 side opposite side.Such as use resin film with translucency etc. as protective layer 47.
Liquid crystal layer 45 has liquid crystal molecule, by applying voltage in a pair of of transparent electrode 46, the orientation of the liquid crystal molecule
It changes.Send out the degree of the diffusion when transmission through the light of liquid crystal layer 45 by the variation of the orientation of the liquid crystal molecule
Changing.Therefore, in light modulation piece 33, applied in a pair of of transparent electrode 46 alive state (first penetrate state), with
In a pair of of transparent electrode 46 under the state (second penetrates state) of no applied voltage, the mist degree of the degree of the diffusion through light is indicated
Value can be different.Switch between state that is, light modulation piece 33 can be penetrated in haze value mutually different first through state and second.
In the present embodiment, the first haze value for penetrating the light modulation piece 33 in state is set as than second through the light modulation piece in state
33 haze value is small, in fig. 2 it is shown that second penetrates the light modulation piece 33 in state.
The input unit 35 of present embodiment exports order, the setting inputted according to the operation of user by electric signal
The information such as value.In the present embodiment, be input to input unit 3 information be set as in the first lamp 1 when lighting and non-point
When bright respectively in light modulation piece the related selection of haze value.Specifically, which is set as, in tune when lighting of the first lamp 1
Mating plate 33 is the selection of the first transmission state or the second transmission state and light modulation piece 33 is first through shape when non-lit up
The selection of state or the second transmission state.That is, the selection is set as selecting from following four kinds of situations: in lighting for the first lamp 1
When and it is non-lit up when light modulation piece 33 be first through state the case where, in the first lamp 1 when lighting and light modulation when non-lit up
Piece 33 be second through state the case where, the first lamp 1 dim when lighting piece 33 be the first transmission state and in the first lamp 1
Dimming the case where piece 33 is the second transmission state when non-lit up and dimming piece 33 when lighting in the first lamp 1 is the second transmission
State and the first lamp 1 it is non-lit up when light modulation piece 33 be first through state the case where.As such input unit 35, such as
The switching group installed on circuit substrate there are two rotary switch can be enumerated.In such switching group, such as will wherein one
A rotary switch is set as dimming piece 33 when lighting in the first transmission state or second through shape in the first lamp 1
Which of state carries out the rotary switch of selection, another rotary switch be set as to the first lamp 1 it is non-lit up when
Light modulation piece 33 is in the first rotary switch for carrying out selection through state through state or second.
The control unit 34 of present embodiment as described above with light source 31, light modulation piece 33, input unit 35 and control device
36 are electrically connected.Control unit 34 controls the injection state and voltage of the light of light source 31 to the application state of light modulation piece 33
System.Control unit 34 is input to control based on the signal for being input to control unit 34 from the control device 36 of vehicle VE and from input unit 35
The signal in portion 34 carries out the control.
Next the movement of the first lamp 1 of present embodiment is illustrated.
Hereinafter, to selected in input unit 35 the light modulation piece 33 when lighting in the first lamp 1 be second through state,
First lamp 1 it is non-lit up when light modulation piece 33 be first through state the case where carry out illustrated and illustrate.In addition, in this reality
It applies in mode, as described above, the first lamp 1 is functioned as taillight and brake lamp.
Firstly, being illustrated to the movement of the first lamp 1 the case where being functioned as taillight.It is detecting from vehicle
The signal for lighting movement of the expression headlamp of the control device 36 of VE and the input shape that the signal is input to control unit 34
In the case where state, control unit 34 is controlled such that the light source 31 becomes the first luminance to light source 31, penetrates from light source 31
The light L1 of the white of prescribed strength out.In addition, control unit 34 is controlled based on the signal of control unit 34 is input to from input unit 35
Voltage is set as second through state to the application state for dimming piece 33, and by light modulation piece 33.That is, not applying electricity to light modulation piece 33
It presses and light modulation piece 33 is set as second through state.Therefore, the light L1 projected from light source 31 passes through the through hole of reflector 32
42 and through second through state light modulation piece 33.Front shroud is incident upon through light modulation piece 33 and from the light L2 that the light modulation piece 33 projects
22.As described above, since front shroud 22 is colored as red, red light is projected from the surface 22S of the outer side of front shroud 22
L3.In this way, the first lamp 1 is functioned as taillight.
Next, being illustrated to the movement of the first lamp 1 the case where being functioned as brake lamp.Come detecting
From the signal of the expression braking maneuver of the control device 36 of vehicle VE and the signal is input to the input state of control unit 34
In the case of, control unit 34 is controlled such that the light source 31 becomes the second luminance to light source 31, and projects prescribed strength
White light L1.In addition, control unit 34 controls voltage to light modulation based on the signal of control unit 34 is input to from input unit 35
The application state of piece 33, and light modulation piece 33 is set as second through state.It is same as the case where being functioned as taillight
Ground, the light modulation piece 33 that the light L1 projected from light source 31 passes through the through hole 42 of reflector 32 and penetrates state through second.Through
Light modulation piece 33 is simultaneously incident upon front shroud 22 from the light L2 that the light modulation piece 33 projects.Then, it is penetrated from the surface 22S of the outer side of front shroud 22
Red light L3 out.However, due to the intensity ratio of the light L1 projected as described above from the light source 31 in the second luminance
The intensity of the light L1 projected from the light source 31 in the first luminance is high, therefore projects intensity ratio as taillight from front shroud 22 and send out
The higher red light L3 of the case where waving function.In this way, the first lamp 1 is functioned as brake lamp.
In addition, having the input shape for the signal for indicating braking maneuver in the input from the control device 36 of vehicle VE to control unit 34
In the case where further inputting the signal for lighting movement for indicating headlamp to control unit 34 under state, control unit 34 controls light source 31
Light injection state and voltage to light modulation piece 33 application state so that the first lamp 1 continues to play function as brake lamp
Energy.That is, the first lamp 1 functioned as brake lamp continues to function as brake lamp.In addition, from vehicle VE's
Control device 36 is inputted under the input state for having the signal for lighting movement for indicating headlamp to control unit 34 further to control
In the case that the input of portion 34 indicates the signal of braking maneuver, the injection state and voltage that control unit 34 controls the light of light source 31 are to tune
The application state of mating plate 33 is so that the first lamp 1 is functioned not as taillight but as brake lamp.That is, as taillight
And the first lamp 1 functioned is changed to function as brake lamp.
Next, to the case where not playing any function in taillight or brake lamp, i.e. the non-lit up situation of the first lamp 1
Under the movement of the first lamp 1 be illustrated.In the letter for lighting movement of the expression headlamp of the control device 36 from vehicle VE
Number, indicate that the signal of braking maneuver is not input to the non-input state of control unit in the case where, control unit 34 do not make light from
Light source 31 projects.In addition, control unit 34 controls voltage based on the signal of control unit 34 is input to from input unit 35 to light modulation piece
33 application state, and light modulation piece 33 is set as first through state.That is, by applying voltage to light modulation piece 33, and will adjust
Mating plate 33 is set as first through state.
In this way, in the first lamp of present embodiment, penetrated with lighting for the first lamp with non-lit up, light i.e. in light source 31
Mutually linkedly the first of switch light modulation piece 33 penetrates through state and second for the switching to do well between the non-injection state of light
State.
In addition, becoming in the case where user changes the selection related with the light modulation haze value of piece 33 in input unit 35
The signal of control unit 34 is more input to from input unit 35, so that light modulation piece 33 be made to become to second through state from first through state
More, or from second through state Status Change is penetrated to first.Specifically, by first lamp 1 when lighting with light modulation piece
The related selection of 33 haze value is switched to first through in the case where state through state from second, and the first lamp 1 is used as taillight
Or brake lamp and the light modulation piece 33 when functioning is switched to first through state through state from second.In addition, will
First lamp 1 it is non-lit up when selection related with the light modulation haze value of piece 33 be switched to second through shape through state from first
In the case where state, the light modulation piece 33 when the first lamp 1 does not play any function in taillight or brake lamp penetrates state from first
Second is switched to through state.
As described above, the first lamp 1 of present embodiment has light source 31 and light modulation piece 33, and light modulation piece 33 is supplied from light source
31 light projected are penetrated and can be penetrated in haze value mutually different at least first through state and second to be switched between state.
As described above, haze value is the value for indicating the degree of diffusion of the light through component when penetrating, by making mist
Angle value changes and the degree of the diffusion of the light through component is made to change.Therefore, the state of the light projected from the component
It changes.In the first lamp 1 of present embodiment, dimming piece 33 as described above can be mutually different at least in haze value
Switch between first transmission state and the second transmission state.Therefore, saturating to second through state from first by the way that piece 33 will be dimmed
It crosses state switching or switches to first through state from second through state, when lighting, the light L1 projected from light source 31 exists
The degree of diffusion when light modulation piece 33 is diffused changes, and the state of the light L3 projected from the first lamp 1 changes.Cause
This, can change the appearance of the first lamp 1 when lighting.In addition, being incident upon light modulation piece 33 via front shroud 22 when non-lit up
The degree of diffusion of the exterior light LO when dimming piece 33 and being diffused changes, to make via front shroud 22 and light modulation piece 33
The visibility of 31 side of light source change.Therefore, the appearance of the first lamp 1 when non-lit up can be changed.Therefore, energy
The change freedom degree of the appearance of the first lamp 1 is enough improved, and can be realized the first excellent lamp 1 of design.
In addition, first penetrates the tune of state from the viewpoint of improving the change freedom degree of appearance of the first lamp 1 in this wise
As long as the haze value of mating plate 33 is different through the light modulation haze value of piece 33 of state from second.These, it is preferred to first
Haze value through the light modulation piece 33 under state be 20% hereinafter, second through the light modulation piece under state haze value be 80% with
On.
In general, component haze value be 20% situation below under, people can via the component and visuognosis with from
The opposite side in side locating for body, so that having the component identification is transparent trend.In addition, the haze value in component is
In the case where 80% or more, people be difficult to via the component visuognosis with itself locating for the opposite side in side, to have
Have the tendency that the component identification being opaque.It therefore, is 20% below first by that will dim piece 32 to be set as haze value
It enables to the light modulation piece 33 to seem transparent through state, is 80% or more by that will dim piece 33 to be set as haze value
Second enables to the light modulation piece 33 to seem opaque through state.Therefore, by setting light modulation piece 33 when non-lit up
Be set to such first through state, can be realized from the outside through by front shroud 22 and light modulation piece 33 and can visuognosis to adjust
The component of 31 side of light source, such as reflector 32 are configured on the basis of mating plate 33.Therefore, enable to the appearance of the first lamp 1 at
For example to make one to feel clearly to feel such appearance.On the other hand, it is set as such second through shape by the way that piece 33 will be dimmed
State, can not the visuognosis component, such as reflector 32 by light modulation piece 33.Therefore, enable to the appearance of the first lamp 1 at
For example to make one to feel appearance as dumb light sense.Therefore, the change of the appearance of the first lamp 1 when can be improved non-lit up is free
Degree, and can be realized the first excellent lamp 1 of design.
In addition, usually there is the state substantially phase with the light of injection in the case where the haze value of component is 20% situation below
The trend that light in the state of is projected from the component.Therefore, it is by the way that light modulation piece 32 is set as haze value when lighting
20% below first penetrates state, and the state of the light L2 projected from light modulation piece 33 is formed as projecting and being incident upon with from light source 31
Dim the state that the state of the light L1 of piece 33 is substantially the same.For example, the light in defined light distribution patterns is incident upon light modulation piece 33
In the case of, the light L2 projected from light modulation piece 33 is formed as the light for the light distribution patterns being substantially the same with the defined light distribution patterns, this
The light L2 of sample injects front shroud 22.Therefore, it is penetrated from the surface 22S of the outgoing plane of the light as the first lamp 1, front shroud 22 outer side
The light distribution patterns of light L3 out are formed as being substantially the same with the light distribution patterns of light L2.It therefore, can be from the outer side of front shroud 22
Surface 22S project as defined in light distribution patterns light.
It is in the present embodiment, generally circular for the through hole 42 of the light L1 projected from light source 31 the reflector passed through,
Therefore the shape for being incident upon the light distribution patterns of the light L1 of light modulation piece 33 is generally circular.It therefore, can be from the outer side of front shroud 22
Surface 22S in the circular light distribution patterns that identical as through hole 42 quantity is projected with the corresponding position of through hole 42 light.
On the other hand, usually in the case where the haze value of component is 80% or more, light is spread when through component, structure
The state of part is different from from state as component injection light, and there is a part for being set as the component generally uniformly to shine
The trend of such state.Therefore, it is set as the second transmission that haze value is 80% or more by the way that piece 33 will be dimmed when lighting
State enables to generally uniformly shining in light modulation piece 33 with the entirety on the surface of 31 side opposite side of light source.Pass through this
The light modulation piece 33 to shine to sample, the surface 22S of outer side that enable to the outgoing plane of the light as the first lamp 1, front shroud 22
Entirety generally uniformly shine.Therefore, it can be improved the change freedom degree of the appearance of the first lamp 1 when lighting, and can be real
The first excellent lamp 1 of existing design.
In the present embodiment, the switching between the injection state of the light in light source 31 and the non-injection state of light is connected
The first of dynamic ground switch light modulation piece 33 penetrates state through state and second.Therefore, even with person not according in light source 31
The injection state of light and the non-injection state of light between switching come carry out light modulation piece 33 first through state and second thoroughly
The switching between state is crossed, the appearance for being also able to suppress the first lamp 1 forms the appearance different from defined appearance.
However, in the present embodiment, light source 31 (can be made in mutually different first luminance of injection state of light
The case where being functioned for taillight) and the second luminance (the case where being functioned as brake lamp) between switch.?
Under such circumstances, can also between the first luminance and the second luminance in light source 31 switching mutually linkedly into
The first of one step switch light modulation piece 33 penetrates state through state and second.By being set as composition as described above, can make
Obtain the appearance and light source of in the case where light source 31 is the first luminance (the case where the first lamp 1 is functioned as taillight)
31 is different from each other for the appearance of (the case where the first lamp 1 is functioned as brake lamp) in the case where the second luminance.Cause
This, with appearance compared with identical situation, can shorten people outside vehicle until noticing the variation of the illuminating state of the first lamp 1, i.e.
From taillight to brake lamp or from brake lamp to the time of the variation of taillight, so as to further increase prompting function.In addition,
Even with person not according to the first luminance (the case where the first lamp 1 is functioned as taillight) and in light source 31
Switching between two luminances (the case where the first lamp 1 is functioned as brake lamp) and carry out the first of light modulation piece 33 thoroughly
State and second is crossed through the switching between state, the appearance formation for being also able to suppress the first lamp 1 is different from defined appearance
Appearance.
(second embodiment)
Next, second embodiment of the present invention is described in detail referring to Fig. 4.In addition, for this embodiment party
Constituent element identical with first embodiment or same in the constituent element of the lamps and lanterns of formula, the case where in addition to illustrating
Outside, it is labeled as same appended drawing reference and the repetitive description thereof will be omitted.
Fig. 4 is the figure that lamps and lanterns involved in second embodiment are indicated in the same manner as Fig. 2.The lamps and lanterns of present embodiment and
One embodiment is similarly set as the first lamp 1 of rear portion mark lamp 10, as shown in figure 4, in the first lamp 1 of present embodiment
In, it is on this point of being also equipped with optical component 50, different from the first lamp 1 of first embodiment.
Optical component 50 supplies that the light L4A of defined light distribution patterns is injected and projected from the light L1 that light source 31 projects.In this reality
It applies in mode, optical component 50 is set as the tabular component with translucency, and is configured as in reflector 32 and light modulation piece 33
Between it is opposed with light source 31.In this case, light modulation piece 33 is configurable to opposite with 32 side of reflector with optical component 50
The surface of side connects, and is also configurable to be sandwiched by optical component 50 and front shroud 22, is also configured as and optical component 50
Separation.In addition, in fig. 4 it is shown that dimming the mode isolated with front shroud 22 and optical component 50 of piece 33.
On the surface of 32 side of reflector of optical component 50, it is provided with from the surface to substantially vertical with surface direction
Direction multiple protrusions 51 outstanding.It is coniform tip that the protrusion 51, which is formed towards front end and changes from hexagonal pyramid shape, and
It is arranged on the surface of 32 side of reflector of optical component 50 in a manner of not forming gap.It is projected from light source 31 and passes through reflection
The light L1 of the through hole 42 of device 32 and the projected direction of the protrusion 51 are generally horizontally incident upon the multiple prominent of the optical component 50
Play 51.Then, optical component 50 projects the generally circular light distribution patterns of shape from the surface of 51 side opposite side of protrusion
Light L4A.
In addition, as long as optical component 50 can be injected for the light L1 projected from light source 31 and project defined light distribution patterns
Light, then optical component 50 is not particularly limited.Such as shape, quantity, size of multiple protrusions 51 etc. are not particularly limited, it can also
So that protrusion 51 is formed generally as tetrapyamid shape.In this case, from the table with 51 side opposite side of protrusion of optical component 50
The light of the face injection generally cubic cricoid light distribution patterns of shape.In addition, optical component 50 can also be set as the light to injection
It carries out diffraction and projects the diffraction grating of the light of defined light distribution patterns.
In the present embodiment, the light L4A projected from optical component 50 is through light modulation piece 33.Through light modulation piece 33 and from this
The light L2A that light modulation piece 33 projects is incident upon front shroud 22.Then, red light is projected from the surface 22S of the outer side of front shroud 22
L3A.In this way, the first lamp 1 of present embodiment can similarly to the first embodiment as brake lamp, Brake lamp and send out
Wave function.
In addition, in the case where will dim piece 33 to be set as haze value is 20% state below, dimming piece when lighting
33 are formed as seeming transparent, and the state of the light L2A projected from light modulation piece 33 is formed as projecting simultaneously with from optical component 50
It is incident upon the state that the state of the light L4A of light modulation piece 33 is substantially the same.Therefore, the light distribution figure of the light L2A projected from light modulation piece 33
Case is formed as being substantially the same with the light distribution patterns of the light L4A projected from optical component 50, and such light L2A is incident upon front shroud 22.
Therefore, from the light distribution patterns of the surface 22S of the outgoing plane of the light as the first lamp 1, the front shroud 22 outer side light L3A projected
Be formed as being substantially the same with the light distribution patterns of light L2A.Therefore, regulation can be projected from the surface 22S of the outer side of front shroud 22
Light distribution patterns light.In addition, in fig. 4 it is shown that the haze value for dimming piece 33 to be set as to the mode of 20% state below.
Fig. 5 is the figure for summarily indicating the state of a part of the outgoing plane of light of the first lamp 1 when lighting, and is summary
Ground indicates one that light modulation piece 33 is set as to the surface 22S of the outer side of the front shroud 22 when haze value is 20% state below
The figure for the state divided.As shown in figure 5, circular region A1 is the light distribution patterns based on the light L4A projected from optical component 50
Region, region A1 is compared with other region A2 and the intensity of light is high.The shape of region A1 by optical component 50 protrusion
51 shape etc. determines, the size of region A1 is by between the size of protrusion 51 of optical component 50, light source 31 and optical component 50
Distance etc. determine that the position of region A1 is determined by the position etc. of the light source 31 relative to optical component 50.Therefore, by with
Upper content carry out it is appropriately designed, can will be from the surface 22S of the outgoing plane of the light as the first lamp 1, front shroud 22 outer side
The light distribution patterns of the light L3A of injection are set as desired light distribution patterns.
On the other hand, when lighting, will dim piece 33 be set as haze value be 80% or more state in the case where, such as
Shown in above-mentioned, generally uniformly shining in light modulation piece 33 with the entirety on the surface of 31 side opposite side of light source is enabled to.From
The light L2A that luminous light modulation piece 33 projects in this way is incident upon front shroud 22, so that the outgoing plane of the light as the first lamp 1
, the entirety of the surface 22S of the outer side of front shroud 22 generally uniformly shines.
In this way, in the present embodiment, compared with not having the case where optical component 50, being capable of increasing first when lighting
The variation of the appearance of lamp 1.Therefore, as illustrated in the above-described first embodiment, it is preferred that first with light source 31
Luminance (the case where being functioned as taillight) and the second luminance (the case where being functioned as brake lamp)
Between switching mutually linkedly further switch light modulation piece 33 first through state and second penetrate state.By being set as this
The composition of sample, with the above-mentioned first embodiment the case where compared with, can more shorten until noticing the illuminating state of the first lamp 1
Variation, i.e. from taillight to brake lamp or from brake lamp to the time of the variation of taillight, reminded so as to further increase
Function.
In addition, the first lamp 1 of present embodiment is similarly to the first embodiment when non-lit up, it can be from outside
Via front shroud 22 and light modulation piece 33 and can visuognosis be configured at the component of 31 side of light source, example on the basis of dimming piece 33
Such as optical component 50, or can not visuognosis optical component 50.Therefore, the change that can be improved the appearance of the first lamp 1 is free
Degree, and can be realized the first excellent lamp 1 of design.
(third embodiment)
Next, third embodiment of the present invention is described in detail referring to Fig. 6.In addition, for this embodiment party
The constituent element identical or same with second embodiment in the constituent element of the lamps and lanterns of formula, the case where in addition to illustrating
Outside, it is labeled as same appended drawing reference and the repetitive description thereof will be omitted.
Fig. 6 is the figure that lamps and lanterns involved in third embodiment are indicated in the same manner as Fig. 2.The lamps and lanterns of present embodiment and
Two embodiments are similarly set as the first lamp 1 of rear portion mark lamp 10, as shown in fig. 6, in the first lamp 1 of present embodiment
In, it is different from the first lamp 1 of second embodiment on this point light source 31 is also equipped with light conducting member 55.
The light source 31 of present embodiment has a plurality of light-emitting elements 41 for being installed on circuit substrate 40 and multiple guide-lighting structures
Part 55.The light conducting member 55 of present embodiment is set as to project from the light that an end face is injected from another end face cylindric
Component.Light conducting member 55 is inserted through the through hole 42 of reflector 32, so that an end face of light conducting member 55 is located at light-emitting component
Mode near 41, near the surface for 31 side of light source that another end face of light conducting member 55 is located at optical component 50 is matched
It sets.Relative to the more than one light-emitting component 41 in a plurality of light-emitting elements 41, more than one light conducting member 55 is set.?
In Fig. 6, show relative to a light-emitting component 41 and the mode provided with two light conducting members 55.As long as in addition, guide-lighting structure
Part 55 can be for injecting from the light that light-emitting component 41 projects from an end face, and projects the light from another end face, then guide-lighting structure
Part 55 is not particularly limited.For example, an end of light conducting member 55 can be fixed on light-emitting component 41, can also will lead
Another end of light component 55 is fixed in the supporting member of the plate with translucency.
In the present embodiment, light conducting member 55 is incident upon from the light that the light-emitting component 41 for being provided with light conducting member 55 projects
An end face and projected from another end face, and be incident upon optical component 50.Due to another end face position of light conducting member 55
Near the surface of 31 side of light source of optical component 50, therefore the light is penetrated with from the light-emitting component 41 of not set light conducting member 55
Light L1 out is compared, the simultaneously indiffusion before being incident upon optical component 50.Therefore, although being caused by the light and from optical component 50
The shape of the light distribution patterns of the light L4B of injection and caused simultaneously by the light L1 projected from the light-emitting component 41 of not set light conducting member 55
The shape of the light distribution patterns of the light L4A projected from optical component 50 is substantially the same, but its size becomes smaller.Above-mentioned smooth L4A,
L4B projects light L2A, L2B from light modulation piece 33 respectively through light modulation piece 33.Above-mentioned smooth L2A, L2B are incident upon front shroud 22, and from
The surface 22S of the outer side of front shroud 22 projects light L3A, L3B.In this way, the first lamp 1 of present embodiment can be with above-mentioned second in fact
Apply mode similarly as brake lamp, Brake lamp and function.
It is and above-mentioned in the case where will dim piece 33 to be set as haze value is 20% state below but when lighting
Similarly, light modulation piece 33 is formed as seeming transparent second embodiment, and light L2A, L2B of the different light distribution patterns of size
It is incident upon front shroud 22.Therefore, the light projected from the surface 22S of the outgoing plane of the light as the first lamp 1, front shroud 22 outer side
The light distribution patterns of L3A, L3B are formed as being substantially the same with the light distribution patterns of the light L2A, L2B.Therefore, from the outer side of front shroud 22
Surface 22S can project as defined in light distribution patterns light.In addition, being 80% or more that will dim piece 33 to be set as haze value
In the case where state, in the same manner as above-mentioned second embodiment, the outgoing plane of the light as the first lamp 1, front shroud are enabled to
The entirety of the surface 22S of 22 outer side generally uniformly shines.In addition, in fig. 6 it is shown that the haze value that piece 33 will be dimmed
It is set as the mode of 20% state below.
Fig. 7 is the figure for summarily indicating the state of a part of the outgoing plane of light of the first lamp 1 when lighting, and is summary
Ground indicates one that light modulation piece 33 is set as to the surface 22S of the outer side of the front shroud 22 when haze value is 20% state below
The figure for the state divided.As shown in fig. 7, circular region A1, A12 compared with the A2 of other regions and the intensity of light is high.By from setting
Circular region A12 ratio caused by the light that the light-emitting component 41 of light conducting member 55 projects has been set by from not set light conducting member 55
The light L1 that projects of light-emitting component 41 caused by circular region A1 it is small.
In this way, in the present embodiment, in the same manner as above-mentioned second embodiment 2, with the feelings for not having optical component 50
Condition is compared, and the variation of the appearance of the first lamp 1 when lighting is capable of increasing.Therefore, as described in the above-described first embodiment
Like that, it is preferred that with the first luminance (the case where being functioned as taillight) of light source 31 and the second luminance
Mutually linkedly the first of further switch light modulation piece 33 penetrates shape for switching between (the case where functioning as brake lamp)
State and second penetrates state.By being set as such composition, with the above-mentioned first embodiment the case where compared with, can more contract
It is short until notice the illuminating state of the first lamp 1, i.e. from taillight to brake lamp or from brake lamp to the time of the variation of taillight,
So as to further increase prompting function.
In addition, the first lamp 1 of present embodiment in the same manner as above-mentioned second embodiment when non-lit up, can be from outside
Via front shroud 22 and light modulation piece 33 and can visuognosis be configured at the component of 31 side of light source, example on the basis of dimming piece 33
Such as optical component 50, or can not visuognosis optical component 50.Therefore, the change that can be improved the appearance of the first lamp 1 is free
Degree, and can be realized the first excellent lamp 1 of design.
More than, the present invention is illustrated by taking embodiment as an example, but the present invention is not limited to the above embodiments.
For example, in the above-described embodiment, to be illustrated for the first lamp 1 for having input unit 35.However, first
Lamp 1 may not possess input unit 35.In this case, for example, based on respectively in the first lamp 1 when lighting and non-point
When bright it is preset light modulation piece 33 first through state and second penetrate state, control unit 34 to voltage to light modulation piece 33
Application state controlled.Shape is penetrated by change the preset light modulation piece 33 when manufacturing the first lamp 1 etc. first
State and second changes, so as to change the first lamp 1 through state through the degree of the diffusion of the light of light modulation piece 33
Appearance.Therefore, it can be improved the change freedom degree of the appearance of the first lamp 1, and can be realized the first excellent lamp 1 of design.
In addition, in the above-described embodiment, to be illustrated for the first lamp 1 for having reflector 32, but first
Lamp 1 may not possess reflector 32.In addition, in above-mentioned second embodiment and above-mentioned third embodiment, with configuration
It is illustrated for optical component 50 between reflector 32 and light modulation piece 33, but can also be to dim piece 33 as base
It is quasi- and optical component 50 is configured on the side opposite with 31 side of light source.In the above-described 3rd embodiment to dim piece 33 as base
It is quasi- and in the case where configuring optical component 50 on the side opposite with 31 side of light source, be also configurable to the another of light conducting member 55
A end face is located near the surface of 31 side of light source of light modulation piece 33.In addition, the first lamp 1 can also have collimation
(collimate) optical components such as lens, collector lens.
In addition, in the above-described embodiment, be illustrated for projecting the light source 31 of light of white, but light source 31
The color of the light of injection is not particularly limited.For example, in the case where the color for the light for projecting light source 31 is set as red, front shroud
22 also can be set to colorless and transparent component.
In addition, in the above-described embodiment, to apply alive state, the first transmission as to a pair of of transparent electrode 46
Haze value in state than as not to a pair of of transparent electrode 46 apply alive state, second through the haze value in state
It is illustrated for small light modulation piece.It, and can be but as long as light modulation piece 33 can be for the light transmission that projects from light source 31
Haze value mutually different at least first through switching between state, then dims piece 33 and is not limited especially through state and second
It is fixed.For example, light modulation piece 33 be also configured to as to a pair of of transparent electrode 46 apply alive state, first through state
In haze value it is alive state, second big through the haze value in state than being applied as not to a pair of of transparent electrode 46.
In addition, light modulation piece 33 also may be constructed as that haze value can be made to change according to the value of the voltage of application, so as to cut
Be changed to be formed from first through state and second through the different haze value of the haze value in state other through state.Separately
Outside, light modulation piece 33 is also configured to make haze value change by applying electric current.As such light modulation piece, such as
The film layer for having tungsten oxide etc. and electrolyte layer can be enumerated for the liquid crystal layer 45 in light modulation piece 33 etc..In the light modulation piece
In, make film layer that electro-oxidation reaction or reduction reaction occur and applying electric current to film layer, through the light of the film layer
The degree of diffusion when penetrating changes, so that the haze value of the light modulation piece be made to change.In this case, it controls
Portion 34 processed controls the injection state and electric current of the light of light source 31 to the application state of light modulation piece 33.
In addition, in the above-described embodiment, for injection state and light with the light in light source 31 non-injection state it
Between switching mutually linkedly or with the first luminance of further progress light source 31 while the switching and second shine
The case where the first transmission state for switching mutually linkedly switch light modulation piece 33 and second between state penetrate state, is lifted
It exemplifies and illustrates.However, it is also possible to which only the switching between the first luminance of light source 31 and the second luminance is connected
The first of dynamic ground switch light modulation piece 33 penetrates state through state and second.
In addition, in the above-described embodiment, be illustrated by taking the first lamp 1 of rear portion mark lamp 10 as an example, but lamps and lanterns
It can also be set as the second lamp 2, third lamp 3, headlamp etc. of rear portion mark lamp 10.In addition, lamps and lanterns can also be set as building
Lamps and lanterns used in object etc..Even if the change freedom degree of appearance in this case, can be also improved as described above, and
Realize the excellent lamps and lanterns of design.
Industrial applicibility
In accordance with the invention it is possible to improve the change freedom degree of appearance, and provide design excellent lamps and lanterns, can illuminate
It is used in equal fields.
Claims (10)
1. a kind of lamps and lanterns, which is characterized in that
The lamps and lanterns have light source and light modulation piece, and the light modulation piece supplies the light projected from the light source to penetrate, and can be in mist
Angle value mutually different at least first is penetrated through state and second to be switched between state.
2. lamps and lanterns according to claim 1, which is characterized in that
First through the light modulation piece under state haze value be set as 20% hereinafter,
Second haze value for penetrating the light modulation piece under state is set as 80% or more.
3. lamps and lanterns according to claim 1, which is characterized in that
The light modulation piece has liquid crystal layer, a pair of of transparent electrode and a pair of of protective layer as main composition.
4. lamps and lanterns according to any one of claim 1 to 3, which is characterized in that
Switching between the lamps and lanterns and the injection state of the light in the light source and the non-injection state of light mutually linkedly switches
The first of the light modulation piece penetrates state through state and second.
5. lamps and lanterns according to any one of claim 1 to 3, which is characterized in that
The light source can switch between mutually different first luminance of injection state of light and the second luminance,
Described in switching between the lamps and lanterns and the first luminance and the second luminance of the light source mutually linkedly switches
Dim piece first penetrates state through state and second.
6. lamps and lanterns according to any one of claim 1 to 3, which is characterized in that
The lamps and lanterns are also equipped with the optical component of the light for entering and projecting defined light distribution patterns from the light emission that the light source projects.
7. lamps and lanterns according to claim 6, which is characterized in that
On the surface of the light source side of the optical component, it is provided with outstanding from the surface to the direction vertical with surface direction
Multiple protrusions.
8. lamps and lanterns according to claim 6, which is characterized in that
The light source has a plurality of light-emitting elements for being installed on circuit substrate and multiple light conducting members.
9. lamps and lanterns according to claim 8, which is characterized in that
The light conducting member is set as the cylindrical element for projecting the light injected from an end face from another end face,
The light conducting member is configured to that an end face is located near the light-emitting component, another end face is located at the optics structure
Near the surface of the light source side of part.
10. lamps and lanterns according to any one of claim 1 to 3, which is characterized in that
The lamp installation is in the external injection light on vehicle and towards the vehicle.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017-253588 | 2017-12-28 | ||
| JP2017253588A JP6998202B2 (en) | 2017-12-28 | 2017-12-28 | Lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109973934A true CN109973934A (en) | 2019-07-05 |
| CN109973934B CN109973934B (en) | 2022-08-02 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822052160.7U Active CN209445286U (en) | 2017-12-28 | 2018-12-07 | Lamps and lanterns |
| CN201811493750.1A Active CN109973934B (en) | 2017-12-28 | 2018-12-07 | Lamp fitting |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201822052160.7U Active CN209445286U (en) | 2017-12-28 | 2018-12-07 | Lamps and lanterns |
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| CN (2) | CN209445286U (en) |
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| JP6998202B2 (en) * | 2017-12-28 | 2022-02-04 | 株式会社小糸製作所 | Lamp |
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| JP6987523B2 (en) * | 2017-04-14 | 2022-01-05 | 株式会社小糸製作所 | Vehicle lighting |
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2017
- 2017-12-28 JP JP2017253588A patent/JP6998202B2/en active Active
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2018
- 2018-12-07 CN CN201822052160.7U patent/CN209445286U/en active Active
- 2018-12-07 CN CN201811493750.1A patent/CN109973934B/en active Active
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| CN101147028A (en) * | 2005-02-03 | 2008-03-19 | 阿尔比斯塑料有限公司 | Lighting device |
| CN101427068A (en) * | 2006-04-21 | 2009-05-06 | 皇家飞利浦电子股份有限公司 | Lamp unit for an adaptive front lighting system for a vehicle |
| CN105318248A (en) * | 2014-07-28 | 2016-02-10 | 齐扎拉光系统有限责任公司 | Cover plate for light device |
| US20170305330A1 (en) * | 2016-03-29 | 2017-10-26 | Lg Electronics Inc. | Lighting apparatus for vehicle |
| CN209445286U (en) * | 2017-12-28 | 2019-09-27 | 株式会社小糸制作所 | Lamps and lanterns |
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| 田景熙: "《物联网概论 第2版》", 31 July 2017, 东南大学出版社 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109973934B (en) | 2022-08-02 |
| JP6998202B2 (en) | 2022-02-04 |
| CN209445286U (en) | 2019-09-27 |
| JP2019121444A (en) | 2019-07-22 |
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