CN105546471A - Photoluminescent color-changing roof map light - Google Patents
Photoluminescent color-changing roof map light Download PDFInfo
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- CN105546471A CN105546471A CN201510672852.XA CN201510672852A CN105546471A CN 105546471 A CN105546471 A CN 105546471A CN 201510672852 A CN201510672852 A CN 201510672852A CN 105546471 A CN105546471 A CN 105546471A
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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
- F21S10/00—Lighting devices or systems producing a varying lighting effect
- F21S10/02—Lighting devices or systems producing a varying lighting effect changing colors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
- B60Q3/70—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by the purpose
- B60Q3/74—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by the purpose for overall compartment lighting; for overall compartment lighting in combination with specific lighting, e.g. room lamps with reading lamps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
- B60Q3/60—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by optical aspects
- B60Q3/68—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by optical aspects using ultraviolet light
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
- B60Q3/70—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by the purpose
- B60Q3/76—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by the purpose for spotlighting, e.g. reading lamps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
- B60Q3/80—Circuits; Control arrangements
-
- 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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/20—Controlling the colour of the light
-
- 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
- F21W2106/00—Interior vehicle lighting devices
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
A lighting device for a vehicle is disclosed. The lighting device comprises at least one light source which communicates with a controller. The light source is configured to emit a first emission to excite a photoluminescent part. The controller is operable via the adjustment of an output color of the light emitted by the lighting device by adjusting the intensity of the light outputted by the at least one light source.
Description
Technical field
The present invention relates in general to lighting device, and relates more specifically to a kind of lighting device being configured for the color of regulation output light.
Background technology
The illumination caused by embedded photoluminescent material provides uniqueness and attracting visual experience.Therefore, in multiple parts of vehicle, comprising such embedded photoluminescent material to provide environment and operating illumination is expect.
Summary of the invention
According to an aspect of the present invention, a kind of lighting device for vehicle is disclosed.This lighting device comprises at least one light source communicated with controller.Light source is configured for transmitting first and launches with exciting light photoluminescence part.Controller can operate with the output color by regulating the intensity of the light exported from least one light source to regulate the light of the transmitting from light source.
According to another aspect of the present invention, a kind of lighting device for vehicle is disclosed.This lighting device comprises the light source being configured for transmitting first and launching.Luminescence generated by light part be set near light source and be configured for by first launch be converted to the second transmitting at least partially.This lighting device comprises controller further, and controller is configured for the color by optionally regulating the intensity of the first transmitting to regulate the second transmitting.
According to a further aspect of the invention, a kind of lighting device for vehicle is disclosed.This lighting device comprises and to communicate with controller and to be configured for the light source that transmitting first launches.Luminescence generated by light part be set near light source and be configured for by first launch be converted to the second transmitting at least partially.Control be configured under the first intensity control first launch with export correspond to the first color ceiling light configuration in second launch and under the second intensity control first launch with export correspond to the second color reading lamp configuration in second launch.
By studying following description, claim and accompanying drawing, it will be appreciated by those skilled in the art that and understand these and other aspect, target and characteristic of the present invention.
Accompanying drawing explanation
In the drawings:
Fig. 1 shows the schematic diagram in the front passenger cabin of the vehicle with the overhead console using at least one lighting device;
Fig. 2 A shows the luminescence generated by light structure being rendered as coating;
Fig. 2 B shows the luminescence generated by light structure being rendered as discrete particle;
Fig. 2 C shows and is rendered as discrete particle and the multiple luminescence generated by light structures be attached in independent structure;
Fig. 3 is the schematic diagram being configured for the backlight type configuration light of first wave length being converted to the lighting device of at least second wave length;
Fig. 4 describes from the diagram of the transmitting of light source;
Fig. 5 is absorbance and the description of epipolic diagram of embedded photoluminescent material;
Fig. 6 shows the schematic diagram of the embodiment of lighting device;
Fig. 7 shows the schematic diagram of the embodiment of lighting device; And
Fig. 8 shows the schematic diagram of the embodiment according to lighting device of the present invention.
Detailed description of the invention
As required, specific embodiment of the present invention is disclosed at this.But should be understood that, the disclosed embodiments are only examples of the present invention, it can be presented as form that is different and that substitute.Accompanying drawing is specific design not necessarily, and in order to present functional profile, some figure can be exaggerated or reduce.Therefore, specific 26S Proteasome Structure and Function details disclosed herein should not be interpreted as restriction, but as just for instructing, those skilled in the art are many-sided uses representative basis of the present invention.
As used in this, term "and/or", time in for a series of two or more project, mean can be used alone in Listed Items any one, maybe can use two or more any combination in Listed Items.Such as, if composition is described to comprise component A, B and/or C, composition can comprise the combination of independent A, independent B, the combination of independent C, A and B, the combination of A and C, the combination of B and C or A, B and C.
Following discloses content describes a kind of lighting device for vehicle being at least partially configured for illumination passenger compartment.Illuminator can be configured to operate at least the first state and the second state.First state can corresponding to be configured for from lighting device launch white substantially, the dome lamp function with warm-toned light.Second state can corresponding to be configured for from lighting device launch white substantially, the reading lamp function of the light with cold blue cast.Light corresponding to the transmitting of the second state can have the intensity increased relative to the light of the transmitting of the first state.By this way, lighting device can be configured for the passenger compartment of the tone illumination vehicle of the white light of the specific activities being best suited for occupant.
With reference to figure 1, generally show the passenger compartment 10 of the vehicle 12 with at least one lighting device 14 be assembled in overhead console 16.In the embodiment shown, overhead console 16 is assembled into the inner side of the inside roof lining of passenger compartment 10 and the center be positioned in passenger compartment 10.As exemplarily illustrated, two lighting devices 14 are assembled into overhead console 16, and one is positioned to the driver closer to vehicle 12 and another is positioned to the occupant closer to vehicle 12.Although generally show two lighting devices 14 in FIG, it is intended that one or more lighting device 14 can be included in other position on other positions of overhead console 16 or vehicle 12.
One or more switch 18 can be configured for and allow automotive occupant manual actuation lighting device 14.As exemplarily illustrated, switch 18 is positioned at and is independently controlled to allow each lighting device 14 near each lighting device 14.In addition or selectively, one or more switch 18 can be positioned at other positions on vehicle 12, such as Vehicular instrument panel 20.Such as, it is intended that switch 18 can be positioned at other position of vehicle 12, but is not limited to, driver side car door, passenger side car door and/or center console area.In some embodiments, the lighting controller of vehicle 12 can also be configured for and optionally activate lighting device 14.In this configuration, the occupant of lighting controller and/or vehicle 12 can operate to activate each lighting device 14 in first state 22 that can correspond to dome lamp function with corresponding in the second state 24 of reading lamp function.
In some embodiments, lighting device 14 can comprise the luminescence generated by light part 26 of the path setting along the first transmitting 28.First launches 28 can export from the light source be arranged on lighting device 14.In some embodiments, luminescence generated by light part 26 can be arranged on and be configured for transmission first and launch in the optical device of 28 or on it.Lighting device 14 can be configured for transmission first and launch 28 by luminescence generated by light part 26, makes the first transmitting 28 be converted into the second transmitting 30.First launches 28 can correspond to the light of first wave length and second launch the light that 30 can correspond at least second wave length.The light of second wave length can comprise at least one wavelength longer than the light of first wave length.Once first launches and 28 to be converted, second launches 30 just can be output as light 32 from the transmitting of lighting device 14 to throw light on passenger compartment 10 at least partially.
In some embodiments, lighting device 14 can operate the light 32 of the transmitting optionally to export the first state 22 or the second state 24 in response to the control signal received from lighting controller and/or one or more switch 18.In the first state 22, the light source of lighting device 14 can be configured for first of transmitting first intensity and launch 28.In the second state 24, the light source of lighting device 14 can be configured for first transmitting 28 of launching and being greater than the second intensity of the first intensity.Further describe as run through the present invention, lighting device 14 can operate the color controlling the intensity of the first transmitting 28 exported from light source thus the light 32 of control transmitting.
With reference to figure 2A-2C, illustrate generally be rendered as respectively can be applied to optical device coating (e.g., film), the discrete particle in optical device can be implanted to and cover the luminescence generated by light structure 42 of multiple discrete particles that can be applied in the independent structure of optical device.Luminescence generated by light structure 42 can correspond to the luminescence generated by light part 26 discussed at this.In most basic horizontal, luminescence generated by light structure 42 comprises energy conversion layer 44, and energy conversion layer 44 can be set to single or multiple lift structure, as in Figures 2 A and 2 B by a dotted line shown in.
Energy conversion layer 44 can comprise one or more embedded photoluminescent materials with the energy conversion component selected from phosphorescence or fluorescent material.Embedded photoluminescent material can construct has longer wavelength and the electromagnetic radiation representing the output of the distinctive color of electromagnetic radiation not being input generally in order to the electromagnetic radiation of input to be converted to.The difference of the wavelength between the electromagnetic radiation of input and output is called as Stokes shift (Stokesshift) and the conversion process of energy of wavelength change being used as the to correspond to light main driving mechanism that---is usually called as lower conversion (downconversion)---.In each embodiment discussed at this, the light (e.g., first wave length etc.) of often kind of wavelength is corresponding to the electromagnetic radiation utilized in transfer process.
Luminescence generated by light part 26 can comprise at least one luminescence generated by light structure 42 with energy conversion layer (e.g., conversion layer 44).Embedded photoluminescent material can be dispersed in polymeric matrix 50 to form homogeneous mixture to prepare by using multiple method by energy conversion layer 44.Such method can comprise prepares energy conversion layer 44 from the preparation liquid carrier medium and in the plane that energy conversion layer 44 is coated onto expectation and/or non-planar substrate, the surface of such as optical device.Energy conversion layer 44 can pass through application (painting), serigraphy, spraying, slot coated (slotcoating), immersion coating (dipcoating), cylinder coating (rollercoating) and bar type coating (barcoating) and be deposited on optical device.In addition, energy conversion layer 44 can by not using the method for liquid carrier medium to prepare.
Such as, the solid solution (homogeneous mixture in drying regime) of one or more embedded photoluminescent materials can be incorporated in polymeric matrix 50 to provide energy conversion layer 44.Polymeric matrix 50 can by extruding, injection mo(u)lding, compression forming, calendering formation, thermoforming etc. and being formed.Be rendered as in the example of particle at one or more energy conversion layer 44, the energy conversion layer 44 of single or multiple lift can be implanted in a part for optical device or the lighting device 14 being configured at least part of printing opacity.When energy conversion layer 44 comprises multi-layer preparation, every layer can be applied sequentially.In addition, each layer can be prepared respectively and lamination or be stamped in together to form overall layer afterwards.Also can each layer of co-extrusion to make the energy converting structure of overall multilayer.
Referring back to Fig. 2 A and 2B, luminescence generated by light structure 42 optionally can comprise at least one stabilized zone 46 and be contained in embedded photoluminescent material in energy conversion layer 44 not by photodissociation and thermal degradation with protection package.Stabilized zone 46 can be configured to optics and be connected to and the independent layer adhering to energy conversion layer 44.Stabilized zone 46 also can be integrated with energy conversion layer 44.Luminescence generated by light structure 42 also optionally can comprise optics and connect and adhere to the protective layer 48 of stabilized zone 46 or any layer or coating and do not damage by the physics and chemistry caused by environmental exposure to protect luminescence generated by light structure 42.
Stabilized zone 46 and/or protective layer 48 can be combined with energy conversion layer 44 and apply with suitable the continuing by every layer or print, or by pressing along subsequent layers or impressing the overall luminescence generated by light structure 42 of formation.Selectively, some layers can by combining along continuous coating, lamination or impression to form minor structure.Minor structure then can lamination or impression to form overall luminescence generated by light structure 42.Once be formed, luminescence generated by light structure 42 just can be applied to be configured for and the first transmitting is at least partially converted to the part of the lighting device 14 of the second transmitting 30.In some embodiments, luminescence generated by light structure 42 can be applied to/arrange in an optical device to form luminescence generated by light part 26.
In some embodiments, luminescence generated by light structure 42 can be attached in optical device as one or more discrete multilayer particle, as shown in Figure 2 C.Luminescence generated by light structure 42 also can be set to the one or more discrete multilayer particle be dispersed in polymeric matrix 50, and polymeric matrix 50 is applied to as abutment structure in a part for optical device or lighting device 14 subsequently.About the structure of the luminescence generated by light structure be used at least one luminescence generated by light part of vehicle additional information the people such as Jin Sili submit on July 31st, 2012, U.S. Patent number is 8,232,533, autograph is disclose in the patent of " sandwich construction with ambient stable is stablized in the photodissociation for high-efficiency electromagnetic power conversion and lasting Secondary Emission ", and the full content of above-mentioned application is incorporated herein by reference.
With reference to figure 3, generally show the lighting device 14 according to backlight type configuration 60.In this configuration, first transmitting 28 of launching from light source 62 is converted to the second transmitting 30 by energy conversion layer 44.First transmitting 28 comprises first wave length and the second transmitting 30 comprises second wave length.Lighting device 14 comprises the luminescence generated by light structure 42 be arranged in luminescence generated by light part 26 or in it.Luminescence generated by light structure 42 can be rendered as coating and be applied to optical device 64, at least part of light transmission part of such as lighting device 14.Embedded photoluminescent material also can be separated into the polymeric matrix 50 corresponding to energy conversion layer 44.
In some embodiments, energy conversion layer 44 can comprise stabilized zone 46 and/or protective layer 48 further.Be activated in response to light source 62, first launches 28 can be received by energy conversion layer 44 and be converted to second transmitting 30 with at least second wave length from first transmitting 28 with first wave length.Second launches 30 can comprise the multiple wavelength being configured for and launching the light of any color from luminescence generated by light part 26.
In various embodiments, lighting device 14 comprises at least one embedded photoluminescent material be combined in polymeric matrix 50 and/or energy conversion layer 44, and is configured for the second transmitting 30 first of first wave length the transmitting 28 being converted to and having at least second wave length.In order to produce multiple wavelength, energy conversion layer 44 can comprise one or more embedded photoluminescent materials of the second transmitting 30 being configured for the wavelength launched as the light in redness, green and/or blue color spectrum.Such embedded photoluminescent material can be combined the light of the multiple color producing the second transmitting 30 further.Such as, red, green and blue-light-emitting embedded photoluminescent material with various ratio and can combinationally use the output color controlling the second transmitting 30.
Often kind of embedded photoluminescent material can change output intensity, output wavelength and peak absorbtivity wavelength based on the combination of the specific photochemistry structure utilized in energy conversion layer 44 and photochemistry structure.Such as, by regulating the wavelength of the first transmitting 28 to change the color of the second transmitting 30 at different intensity exciting light electroluminescent materials, thus the second transmitting 30 can be changed.Except red, green and blue-light-emitting embedded photoluminescent material or replaceable redness, green and blue-light-emitting embedded photoluminescent material, can individually or with various other embedded photoluminescent materials that combinationally use to produce the second transmitting 30 of shades of colour.By this way, lighting device 14 can be configured for various application and thinks that vehicle provides illuminating color and the effect of expectation.
In order to realize shades of colour and the combination of embedded photoluminescent material described herein, lighting device 14 can utilize any type of embedded photoluminescent material, such as phosphorescence embedded photoluminescent material, organic and inorganic dyestuff etc.About realizing the manufacture of embedded photoluminescent material of various transmitting and the additional information of utilization with reference to following application: the people such as rich thatch submit on June 26th, 2012, U.S. Patent number is 8,207,511, autograph is the patent of " luminescence generated by light fiber, composition and the fabric manufactured thus "; The people such as Agrawal submit on August 21st, 2012, U.S. Patent number is 8,247,761, the autograph patent that is the luminescence generated by light of functional coverage layer " have mark "; The patent that the people such as Jin Sili submit on August 27th, 2013, U.S. Patent number is 8,519,359B2, autograph is " sandwich construction with ambient stable is stablized in the photodissociation for high-efficiency electromagnetic power conversion and lasting Secondary Emission "; The patent that the people such as Jin Sili submit on March 4th, 2014, U.S. Patent number is 8,664,624B2, autograph is " the illumination induction system for generation of lasting Secondary Emission "; The application that the people such as Agrawal submit on July 19th, 2012, U.S. Patent Publication No. is 2012/0183677, autograph is " photoluminescent composition, manufacture method and novelty teabag thereof "; The application that the people such as Jin Sili submit on March 6th, 2014, U.S. Patent Publication No. is 2014/0065442A1, autograph is " luminescence generated by light object "; And the people such as Agrawal submits on April 17th, 2014, U.S. Patent Publication No. is 2014/0103258A1, autograph is " chromium light emitting composition and textile " application, their full content is incorporated into this by all above-mentioned applications by reference.
Light source 62 may also be referred to as driving source and can operate at least to launch the first transmitting 28.Light source 62 can comprise any type of light source, such as halogen lighting device, fluorescent lighting device, light emitting diode (LED), organic LED (OLED), polymer LED (PLED), solid-state lighting device or be configured for the lighting device that any other form of 28 is launched in output first.Launch 28 from first of light source 62 and can be arranged so that first wave length corresponds at least one absorbing wavelength of one or more embedded photoluminescent materials of energy conversion layer 44 and/or polymeric matrix 50.In response to the light receiving first wave length, energy conversion layer 44 can be excited and export one or more output wavelength, such as, has second wave length λ
2second launch 30.First launch 28 by the absorbing wavelength of combination of the specific embedded photoluminescent material used in energy conversion layer 44 or embedded photoluminescent material as target for energy conversion layer 44 provides driving source.Like this, lighting device 14 can be configured for output second launch 30 with produce expect luminous intensity and color.
In the exemplary embodiment, light source 62 comprises the LED being configured for and launching first wave length, and first wave length can correspond to blue color spectrum, bluish violet and/or ultra-violet colors scope.Blue color spectrum color gamut comprises the scope of the wavelength showing as blue light (~ 440-500nm) generally.In some embodiments, first wave length can be included in the wavelength of ultraviolet or near ultraviolet color gamut (~ 100-450nm).In the exemplary embodiment, first wave length can approximate 470nm.Although discuss the scope of specific wavelength and wavelength with reference to first wave length, first wave length can be configured for generally and excite any embedded photoluminescent material.
In the exemplary embodiment, first wave length about can be less than 500nm.Because blue color spectrum color gamut and shorter wavelength have limited perception acuity in the visible spectrum of human eye, therefore these wavelength can be used as the driving source of lighting device 14.By utilizing the first wave length λ of more short wavelength
1with by energy conversion layer 44, first wave length is converted at least one longer wavelength, lighting device 14 produces the visual effect coming from the light of luminescence generated by light structure 42.
As discussed in this, to launch in multiple wavelength of 30 each can correspond to significantly different spectral color scope corresponding to second.Second wave length can corresponding to the multiple wavelength being configured to show as white light substantially.In one embodiment, multiple wavelength can by have about 620-750nm wavelength emitting red light embedded photoluminescent material, have the wavelength of about 526-606nm green emitting embedded photoluminescent material and there is and the blueness of the wavelength of about 430-525nm or blue-green light emitting photo-luminescent material longer than first wave length produce.Multiple wavelength may be used for producing from luminescence generated by light part 26, the light of multiple color from first wave length conversion.
Fig. 4 corresponds to the first diagram of exemplary transmit 72 of launching the light of 28 to describe 70, it illustrates wavelength relative to be supplied to light source 62 the relation of forward current.Fig. 5 is the epipolic diagram description 80 of absorbance relative to the output wavelength 84 (e.g., second launches 30) of exemplary light photoluminescence part of the input wavelength 82 (e.g., first launches 28) of light.With reference to Figure 4 and 5, lighting device 14 can operate with the first wave length by regulating the electric current being supplied to light source 62 to regulate the first transmitting 28.Such as, in 100% dutycycle, when the forward current being supplied to the first light source 62 is increased to 170mA from 20mA, the first wave length of the first transmitting 28 changes into 462.5nm from about 468nm.By regulating the forward current being supplied to the first light source 62, lighting device 14 can operate optionally to regulate the first wave length corresponding to the first transmitting 28.
In some embodiments, the first wave length of the first transmitting 28 can by utilizing dissimilar light source and/or being regulated by the dutycycle of adjustment light source 62.Such as, as shown in Figure 4, in 100% dutycycle, the forward current scope of the work of light source 62 can change into 180mA from about 1mA.But when 10% dutycycle, the forward current scope of the work of light source 62 can change into 350mA from about 1mA.Correspond to the scope of increase of forward current scope of dutycycle 10%, first wave length can change over 450nm from about 468nm.In some embodiments, first wave length can change into 462nm from about 468nm.In the exemplary embodiment, in response to forward drive current and the dutycycle of adjustment first light source 62, first wave length can change 1% to about 3%.Although in the particular range be discussed herein corresponding to first wave length, drive current and dutycycle and value, specific scope and value can change, such as different blue leds based on the light source of particular type.
By regulating the first wave length of the first transmitting 28, lighting device 14 can operate to regulate the first transmitting 28, makes first wave length correspond to the different level of absorbance of the input wavelength 82 of luminescence generated by light part 26.Correspond to the example discussed with reference to figure 4, first wave length can be adjusted to 460nm from about 468nm.As shown in Figure 5, the level of absorbance of luminescence generated by light part 26 can be changed at 0.6 of B point 460nm place from about 0.78 of A point 468nm.Like this, the first transmitting 28 that luminescence generated by light part 26 is more less than absorbing when first wave length is about 460nm when being about 468nm when first wave length.By regulating first wave length, the conversion capacity of luminescence generated by light part 26 can be regulated, the color of the light 32 launched is changed.
The conversion capacity of luminescence generated by light part can correspond to luminescence generated by light part 26 and can operate that luminous energy is launched from first quantity or the ratio that 28 are converted to the second transmitting 30.By controlling first wave length, the conversion capacity of luminescence generated by light part 26 can be regulated, lighting device 14 can be operated with the color by regulating the forward current being supplied to light source 62 to regulate the light 32 of transmitting.In this configuration, lighting device 14 can operate the color mixing the first transmitting 28 and the second transmitting 30.By this way, lighting device 14 can be configured for launch first 28 control be the first intensity with export correspond to the first color ceiling light configuration in second launch 30, and launch first 28 control be the second intensity with export correspond to the second color reading lamp configuration in second launch 30.
This first state discussed can correspond to lighting device 14 dome lamp function and the second state can correspond to reading lamp function.First state can activate in response to the lighting controller of multiple vehicle-state by vehicle 12.Such as, the first state can be activated by lighting controller half-open and corresponding to the period entering and leave vehicle 12 the various times in response to the car door of activation vehicle 12.Second state optionally can be activated by lighting device in response to the input from one or more switch 18.Like this, lighting device 14 can provide operating illumination and the floodlighting of illumination vehicle 12.
With reference now to Fig. 6, show the diagram of the lighting device 14 according to a kind of embodiment.In order to disperse the light launched from light source 62, diffusive optical elements 92 can be set near light source 62.Diffusive optical elements 92 can be formed and be configured for the cavity that reception first launches 28.Diffusive optical elements 92 can correspond to the first injection of the outer peripheral molded polymeric material forming optical device 64.Optical device 64 can correspond to the second injection of molded polymeric material.
Optical device 64 can be configured for reception first and launch 28.The material of optical device 64 can comprise the embedded photoluminescent material of the luminescence generated by light part 26 be arranged on wherein.When the first transmitting 28 is transmitted through luminescence generated by light portion 26, first launches 28 can be converted into the second transmitting 30.A part for second transmitting 30 can enter diffusive optical elements 92 from optical device 64 transmission further.In this configuration, diffusive optical elements 92 can be configured for outer surface 94 launch environment aura along lighting device 14 and optical device 64 can operate to launch directed light from the light projection surface 96 of lighting device 14.Each light 32 that can correspond to transmitting in the light of environment aura and orientation.
With reference now to Fig. 7, in some embodiments, lighting device 14 can comprise the reflectance coating 102 on the outer surface being arranged on optical device 64, such as metal coating.In this configuration, due to the exciting of embedded photoluminescent material of luminescence generated by light part 26, first launches 28 can be converted into the second transmitting 30.In addition, the first transmitting 28 and the second transmitting 30 can be entered optical device 64 by reflective coating reflects, outwards directed by projection surface 96 to guarantee the light 32 launched.In this configuration, lighting device 14 can be configured to pass projection surface 96 and export the light 32 of transmittings all substantially to provide the projection of the enhancing of the light 32 of transmitting.
With reference now to Fig. 8, in some embodiments, luminescence generated by light part 26 can be arranged in light transfer optics 112.Light transfer optics 112 can correspond to the lens or at least part of light transmission part that arrange near light source 62.Light transfer optics 112 can comprise the embedded photoluminescent material of luminescence generated by light part 26.In this configuration, the first transmitting 28 can export from light source 62 and enter light transfer optics 112.In response to receiving the first transmitting 28, embedded photoluminescent material can be configured for will first be launched and 28 be converted to the second transmitting 30 at least partially.Second launches 30 then can from light transfer optics 112 transmission of optical device 64 with a part first transmitting 28.In this configuration, optical device 64 can corresponding to being configured for the transparent polymeric material being launched 30 and a part first transmitting 28 by its transmission second.Then second launches 30 can export from light projection surface 96 as the light 32 launched with a part first transmitting 28.
This disclosure provides a kind of lighting device for vehicle being at least partially configured for illumination passenger compartment.Illuminator can be configured for and at least operate in the first state and the second state.First state can corresponding to be configured for from lighting device launch white substantially, the dome lamp function with warm-toned light.Second state can corresponding to be configured for from lighting device launch white substantially, the reading lamp function of the light with cool tone.Light corresponding to the second state also can have the intensity of the enhancing of the light relative to the transmitting in the first state.By this way, lighting device can be configured for the passenger compartment of the tone illumination vehicle of the white light of the specific activities being best suited for occupant.
Should be understood that, under the prerequisite not departing from design of the present invention, can make changes and modifications said structure, and should be understood that further, these designs are intended to be covered by following claim, clearly state unless these claims are separately had by its word.
Claims (20)
1., for a lighting device for vehicle, comprise:
At least one light source, it communicates with controller and is configured for exciting light photoluminescence part, and wherein said controller can operate to regulate radiative output color from described lighting device by regulating from the intensity of the light output of at least one light source described.
2. lighting device according to claim 1, wherein said radiative described output color is adjusted to the second color from the first color.
3. lighting device according to claim 2, wherein said second color comprises the blue cast than the higher percentage of described first color.
4. lighting device according to claim 2, wherein said first color corresponds to the color warmer than described second color.
5. lighting device according to claim 2, wherein said first color corresponds to warm white and described second color corresponds to cold white light.
6. lighting device according to claim 1, wherein said controller can operate the percentage increasing blue light in described output color with the described intensity by increasing described light output further.
7. lighting device according to claim 5, the described increase of the percentage of wherein said blue light is the result that the described intensity of described light output exceedes the conversion capacity of described luminescence generated by light part.
8. lighting device according to claim 1, wherein first launches the light corresponding to blueness substantially.
9., for a lighting device for vehicle, comprise:
Light source, it is configured for transmitting first and launches;
Luminescence generated by light part, its be configured for by described first launch be converted to the second transmitting at least partially; And
Controller, it is configured for by optionally regulating the described first intensity of launching to regulate the described second color of launching.
10. lighting device according to claim 9, wherein said first launches and described second transmitting carries out mixing to produce the output color of the first color of comprising in a first state and the second color in the second condition.
11. lighting devices according to claim 10, wherein described first launching to correspond to and launch lower luminous intensity than described first in said second condition in said first condition.
12. lighting devices according to claim 10, wherein said second color comprises the blue cast than the higher percentage of described first color.
13. lighting devices according to claim 10, it is warm white in said first condition and cold white light in said second condition that wherein said lighting device is configured for described output color emission.
14. lighting devices according to claim 10, wherein said first color corresponds to the described second described color of launching exported from described luminescence generated by light part.
15. lighting devices according to claim 9, wherein said first launches the light corresponding to blueness substantially.
16. 1 kinds, for the lighting device of vehicle, comprise:
Light source, it communicates with controller and is configured for transmitting first and launches; And
Luminescence generated by light part, its be configured for by described first launch be converted to the second transmitting at least partially, wherein said control is configured for:
Under the first intensity, control described first launch to export corresponding to described second transmitting in the ceiling light configuration of the first color; And
Under the second intensity, control described first launch with described second transmitting exported in reading lamp configuration.
17. lighting devices according to claim 16, wherein said controller is configured for further by optionally regulating the described first intensity of launching to regulate the described second color of launching.
18. lighting devices according to claim 16, wherein said first be transmitted in described first intensity configured corresponding to described ceiling light under and correspond to the configuration of described reading lamp described second intensity under launch.
19. lighting devices according to claim 18, wherein said second intensity is greater than described first intensity.
20. lighting devices according to claim 16, wherein said second color comprises the blue cast than the higher percentage of described first color.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14/519,221 US9902320B2 (en) | 2013-11-21 | 2014-10-21 | Photoluminescent color changing dome map lamp |
| US14/519,221 | 2014-10-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105546471A true CN105546471A (en) | 2016-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510672852.XA Pending CN105546471A (en) | 2014-10-21 | 2015-10-16 | Photoluminescent color-changing roof map light |
Country Status (5)
| Country | Link |
|---|---|
| CN (1) | CN105546471A (en) |
| BR (1) | BR102015026594A2 (en) |
| DE (1) | DE102015117859A1 (en) |
| MX (1) | MX361573B (en) |
| RU (1) | RU2686980C2 (en) |
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| CN111216625A (en) * | 2020-03-03 | 2020-06-02 | 王强 | Normally-on lamp used for automobile center console |
| CN111381424A (en) * | 2018-12-28 | 2020-07-07 | 青岛海信激光显示股份有限公司 | Laser light source and laser projector |
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| CN108844030A (en) * | 2018-09-22 | 2018-11-20 | 天津城建大学 | Luminescence generated by light fluid energy-saving lighting device |
| CN112297779A (en) * | 2019-07-26 | 2021-02-02 | 沃尔沃汽车公司 | Sterilization lamp module integrated in vehicle and vehicle |
| EP3943117A1 (en) * | 2020-07-22 | 2022-01-26 | Inalfa Roof Systems Group B.V. | Method and system for disinfection of a vehicle interior |
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- 2015-10-20 DE DE102015117859.1A patent/DE102015117859A1/en not_active Withdrawn
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Also Published As
| Publication number | Publication date |
|---|---|
| MX2015014742A (en) | 2016-07-07 |
| DE102015117859A1 (en) | 2016-04-21 |
| MX361573B (en) | 2018-12-11 |
| RU2015143983A (en) | 2017-04-18 |
| BR102015026594A2 (en) | 2016-11-08 |
| RU2015143983A3 (en) | 2019-02-22 |
| RU2686980C2 (en) | 2019-05-06 |
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Application publication date: 20160504 |