CN104791682A - Top lighting system with photoluminescence structure - Google Patents

Top lighting system with photoluminescence structure Download PDF

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Publication number
CN104791682A
CN104791682A CN201510007277.1A CN201510007277A CN104791682A CN 104791682 A CN104791682 A CN 104791682A CN 201510007277 A CN201510007277 A CN 201510007277A CN 104791682 A CN104791682 A CN 104791682A
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CN
China
Prior art keywords
electromagnetic radiation
light
top lighting
luminescence generated
input electromagnetic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201510007277.1A
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Chinese (zh)
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CN104791682B (en
Inventor
斯图尔特·C·萨尔特
杰弗里·辛格
马修·迈科夫斯基
摩晒陀·色姆萨若·达萨纳亚克
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Ford Global Technologies LLC
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Ford Global Technologies LLC
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Priority claimed from US14/156,869 external-priority patent/US9440583B2/en
Application filed by Ford Global Technologies LLC filed Critical Ford Global Technologies LLC
Publication of CN104791682A publication Critical patent/CN104791682A/en
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Publication of CN104791682B publication Critical patent/CN104791682B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60QARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q3/00Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • B60Q3/20Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors for lighting specific fittings of passenger or driving compartments; mounted on specific fittings of passenger or driving compartments
    • B60Q3/233Seats; Arm rests; Head rests
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60QARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q3/00Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • B60Q3/10Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors for dashboards
    • B60Q3/14Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors for dashboards lighting through the surface to be illuminated
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60QARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q3/00Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60QARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q3/00Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • B60Q3/20Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors for lighting specific fittings of passenger or driving compartments; mounted on specific fittings of passenger or driving compartments
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60QARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q3/00Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • B60Q3/50Mounting arrangements
    • B60Q3/54Lighting devices embedded in interior trim, e.g. in roof liners
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60QARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q3/00Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • B60Q3/60Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by optical aspects
    • B60Q3/68Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by optical aspects using ultraviolet light
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60QARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q3/00Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • B60Q3/70Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by the purpose
    • B60Q3/74Arrangement 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
    • B60Q3/745Arrangement 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 using lighting panels or mats, e.g. electro-luminescent panels, LED mats
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60QARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q3/00Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • B60Q3/80Circuits; Control arrangements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60QARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q2500/00Special features or arrangements of vehicle interior lamps
    • B60Q2500/30Arrangements for illuminating different zones in the vehicle, e.g. front/rear, different seats
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/48Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
    • H01L33/50Wavelength conversion elements
    • H01L33/507Wavelength conversion elements the elements being in intimate contact with parts other than the semiconductor body or integrated with parts other than the semiconductor body

Abstract

The invention provides a top lighting system, comprising an inside roof lining and a photoluminescence structure coupled with the inside roof lining. At least an excitation source emits at least an input electromagnetic radiation in an operable manner, and the input electromagnetic radiation is used to excite a related region of the photoluminescence structure to generate at least an output electromagnetic radiation.

Description

There is the top lighting system of luminescence generated by light structure
Technical field
The present invention relates generally to Vehicular illumination system, and relates more specifically to the Vehicular illumination system using luminescence generated by light structure.
Background technology
The illumination caused by luminescence generated by light structure provides uniqueness and attracting visual experience.Therefore, in Vehicular illumination system, comprising this luminescence generated by light structure to provide surrounding environment and operating illumination is expect.
Summary of the invention
According to an aspect of the present invention, provide a kind of top lighting system, and this system comprises: inside roof lining and be coupled to the luminescence generated by light structure of inside roof lining contiguously.Multiple driving source is each is operationally coupled to headrest, one of b column and inside roof lining, and each operation launches initial transmission with the relevant range of exciting light photoluminescence structure.Each relevant range structure is in order to be converted to Secondary Emission by initial transmission and to be positioned at the corner regions of luminescence generated by light structure, one of lateral side regions and central area so that each relevant range is overlapping with relevant range that at least one is close at least partly.
According to one embodiment of present invention, wherein each driving source comprises the first blue LED, the second blue LED and the 3rd blue LED, and its each operation exports unique relevant blue light peak wavelength.
According to one embodiment of present invention, wherein initial transmission at least comprises the first input electromagnetic radiation from the first blue LED transmitting, the second input electromagnetic radiation from the second blue LED transmitting and inputs one of electromagnetic radiation from the 3rd of the 3rd blue LED transmitting.
According to one embodiment of present invention, wherein luminescence generated by light structure comprises energy conversion layer, energy conversion layer have excite primarily of the first input electromagnetic radiation emitting red light embedded photoluminescent material, primarily of the second input green emitting embedded photoluminescent material of exciting of electromagnetic radiation and the blue-light-emitting embedded photoluminescent material that excites primarily of the 3rd blue LED.
According to one embodiment of present invention, wherein Secondary Emission at least comprises the first output electromagnetic radiation, second and exports electromagnetic radiation and the 3rd and export one of electromagnetic radiation, and it is each has unique relevant peak emission wavelength.
According to one embodiment of present invention, wherein the first input electromagnetic radiation is converted to the first output electromagnetic radiation by emitting red light embedded photoluminescent material, second input electromagnetic radiation is converted to the second output electromagnetic radiation by green emitting embedded photoluminescent material, and the 3rd input electromagnetic radiation is converted to the 3rd output electromagnetic radiation by blue-light-emitting embedded photoluminescent material.
According to another aspect of the present invention, provide a kind of top lighting system, and this system comprises: inside roof lining and be coupled to the luminescence generated by light structure of inside roof lining.Each the first input electromagnetic radiation, one of the second input electromagnetic radiation and the 3rd input electromagnetic radiation operating the relevant range of at least launching for exciting light photoluminescence structure of multiple driving source.Each relevant range comprises the emitting red light embedded photoluminescent material constructed in order to the first input electromagnetic radiation to be converted to the first output electromagnetic radiation, the blue-light-emitting embedded photoluminescent material constructing the green emitting embedded photoluminescent material in order to the second input electromagnetic radiation to be converted to the second output electromagnetic radiation and construct in order to the 3rd input electromagnetic radiation to be converted to the 3rd output electromagnetic radiation.
According to one embodiment of present invention, wherein multiple driving source is each is operationally coupled to headrest, one of b column and inside roof lining.
According to one embodiment of present invention, wherein each relevant range is positioned at the corner regions of luminescence generated by light structure, one of lateral side regions and central area and overlapping with relevant range that at least one is close at least partly.
According to one embodiment of present invention, wherein each in first, second, and third input electromagnetic radiation have unique relevant peak wavelength.
According to one embodiment of present invention, wherein eachly blue light is expressed as in first, second, and third input electromagnetic radiation.
According to one embodiment of present invention, wherein first, second, and third output electromagnetic radiation is each has unique relevant peak emission wavelength.
According to another aspect of the present invention, provide a kind of top lighting system, and this system comprises: inside roof lining and be coupled to the luminescence generated by light structure of inside roof lining.At least one driving source can operate to launch at least one input electromagnetic radiation, and the relevant range for exciting light photoluminescence structure exports electromagnetic radiation to produce at least one.
According to one embodiment of present invention, wherein at least one driving source is operationally coupled to headrest, one of b column and inside roof lining.
According to one embodiment of present invention, wherein each relevant range comprises the corner regions of luminescence generated by light structure, one of lateral side regions and central area and overlapping with at least one contiguous relevant range.
According to one embodiment of present invention, wherein at least one input electromagnetic radiation comprises multiple input electromagnetic radiation, and it is each has unique relevant peak wavelength.
According to one embodiment of present invention, wherein multiple input electromagnetic radiation is converted to multiple output electromagnetic radiation by luminescence generated by light structure, and multiple output electromagnetic radiation is each has unique relevant peak emission wavelength.
According to one embodiment of present invention, wherein luminescence generated by light structural allocation at least to reflect one of multiple input electromagnetic radiation.
According to one embodiment of present invention, wherein luminescence generated by light structural allocation is one of at least multiple input electromagnetic radiation of part reflection, and the remainder of one of at least multiple input electromagnetic radiation of conversion.
According to one embodiment of present invention, each wherein in multiple input electromagnetic radiation is launched from one of blue LED and ultraviolet LED.
Those skilled in the art is by being appreciated that the study of following description, claim and accompanying drawing and understanding these and other aspect, target and characteristic of the present invention.
Accompanying drawing explanation
In the accompanying drawings:
Fig. 1 is the perspective view in the front-seat passenger cabin of the motor vehicles with various light fixture;
Fig. 2 is the perspective view in the back-seat passengers cabin of the motor vehicles with various light fixture;
Fig. 3 A describes the luminescence generated by light structure being rendered as coating;
Fig. 3 B describes the luminescence generated by light structure being rendered as discrete particle;
Fig. 3 C describes and is rendered as discrete particle and the multiple luminescence generated by light structures being incorporated to independent structure;
The Vehicular illumination system of light formula configuration before Fig. 4 describes and uses;
Fig. 5 describes the Vehicular illumination system using backlight type configuration;
Fig. 6 describes the control system of Vehicular illumination system;
Fig. 7 describes the backlight type assembly arranged in the central control board of motor vehicles;
Fig. 8 describes the cross section view of the backlight type interactive component of the line VIII-VIII along Fig. 7; And
Fig. 9 describes the schematic diagram of top lighting system.
Detailed description of the invention
As required, specific embodiment of the present invention is disclosed at this.But should be understood that, embodiment disclosed by the invention is only exemplary, it can be embodied in form that is different and that substitute.Accompanying drawing is specific design not necessarily, and in order to present functional overview, some figure can be exaggerated and 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.
Term "and/or" as used when being used in a series of two or more project at this means any combination that can be used alone any one Listed Items, maybe can use two or more Listed Items.Such as, if composition is described to comprise components 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.
Followingly openly describe a kind of Vehicular illumination system, vehicle anchor receives the luminescence generated by light structure being used for initial transmission being converted to the Secondary Emission usually with new color within the system.In the disclosure, vehicle anchor refers to any inside or the exterior part of vehicle arrangement, or its part, and it is suitable for receiving luminescence generated by light structure described here.Although the embodiment of Vehicular illumination system described here mainly uses for motor vehicles, but it is intended that, Vehicular illumination system also can the design of other types in order to transport one or more passenger the vehicles in implement, such as but not limited to ship, train and aircraft.
With reference to Fig. 1 and 2, generally illustrate the passenger compartment 10 of motor vehicles, it has the various exemplary vehicle anchor 12a-12g of the front and rear being positioned at car main cabin 10.Fixture 12a-12g usually corresponds respectively to inside roof lining, car mat, vehicle door interior trim panel and comprises the various piece of seat of seat base, backrest, headrest and backrest.In order to illustrate, be not restriction, each fixture 12a-12g can receive luminescence generated by light structure at the selected region 14a-14f of each fixture 12a-12f, is below described further.About Vehicular illumination system described here, it is intended that selected region 12a-12f is not limited to any specific shape or size, and can comprise the partial fixing device with plane and/or non-planar configuration.Although exemplary provides some fixture 12a-12g, it is intended that other fixtures can be used according to Vehicular illumination system described here.This fixture can comprise instrument board and the parts on it, interaction means (as button, switch, dial and the like), indicating equipment (as speedometer, revolution counter etc.), printing surface, comprise external fixation device in addition, such as but not limited to entering button, badge, side mark, license plate lamp, baggage compartment lamp, headlight and taillight without key.
With reference to figure 3A-3C, the luminescence generated by light structure 16 be usually rendered as respectively can be applied to vehicle anchor coating (as film), can implanted vehicle anchor discrete particle and be contained in multiple discrete particles that can be applied in the independent structure of vehicle anchor.In most basic horizontal, luminescence generated by light structure 16 comprises energy conversion layer 18, and it can be provided as single or multiple lift structure, as in figures 3 a and 3b by a dotted line shown in.Energy conversion layer 18 can comprise one or more to be had to select from phosphorescence or fluorescent material and construct and totally has longer wavelength and the embedded photoluminescent material representing the energy conversion component of the output electromagnetic radiation not being the distinctive color of input electromagnetic radiation in order to input electromagnetic radiation to be converted to.The difference of the wavelength between input and output electromagnetic radiation is called as Stokes shift (Stokes shift) and is used as the main driving mechanism of above-mentioned conversion process of energy (being usually called as frequency reducing conversion (down conversion)).
Embedded photoluminescent material can be dispersed in polymeric matrix to form homogeneous mixture to prepare by using multiple method by energy conversion layer 18.This method can comprise prepares energy conversion layer 18 and in plane energy conversion layer 18 being coated onto the expectation of vehicle anchor and/or non-planar substrate from the preparation liquid carrier medium.Energy conversion layer 18 coating can be deposited on selected vehicle anchor by tint (painting), serigraphy, spraying, slit coating (slot coating), dip coating (dip coating), cylinder coating (roller coating) and coating coating (bar coating).Alternatively, energy conversion layer 18 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 in polymeric matrix can by extruding, injection mo(u)lding, compression forming, calendering formation and thermoforming be converted into energy conversion layer 18.Be rendered as in the example of particle at one or more energy conversion layer 18, the energy conversion layer 18 of single or multiple lift can be implanted in selected vehicle anchor, instead of should use it as coating.When energy conversion layer 18 comprises multi-layer preparation, every layer can be applied sequentially, maybe can prepare each layer respectively and afterwards lamination or embossing together to form overall layer.Alternatively, can each layer of co-extrusion to make overall multilayer Conversion of Energy structure.
Referring back to Fig. 3 A and 3B, luminescence generated by light structure 16 can comprise at least one stabilized zone 20 alternatively and be contained in embedded photoluminescent material in energy conversion layer 18 not by photodissociation and thermal degradation with protection package, to provide the lasting transmitting exporting electromagnetic radiation.Stabilized zone 20 can be configured to independent layer and optics is couple to and adheres to energy conversion layer 18 or is otherwise combined with energy conversion layer 18, and prerequisite have selected suitable polymeric matrix.Luminescence generated by light structure 16 also can comprise optics alternatively and be couple to and adhere to the protective layer 22 of stabilized zone 20 or other layer to protect luminescence generated by light structure 16 by damaging from the physics and chemistry caused by environmental exposure.
Stabilized zone 20 and/or protective layer 22 can be combined with by every layer apply along continuous or print or to be pressed by suitable subsequent layers or embossing forms the luminescence generated by light structure 16 of entirety with energy conversion layer 18.Alternatively, some layers can by combining along continuous coating, lamination or embossing to form minor structure, the minor structure of needs then lamination or embossing together to form the luminescence generated by light structure 16 of entirety.Once be formed, luminescence generated by light structure 16 can be applied to selected vehicle anchor.Alternatively, luminescence generated by light structure 16 can be merged in selected vehicle anchor as the particle of one or more discrete multilayer.As selection, luminescence generated by light structure 16 can be provided as and is dispersed in one or more discrete multilayer particle in polymer formulations, and it is applied in selected vehicle anchor as adjacent structure subsequently.About the additional information of the structure of luminescence generated by light structure is 8 at U.S. Patent number, 232,533, autograph is for disclosing in " for high-efficiency electromagnetic power conversion and the photodissociation of lasting Secondary Emission and the sandwich construction of ambient stable ", comprises its whole disclosure by reference at this.
With reference to Figure 4 and 5, generally illustrate the Vehicular illumination system 24 according to front smooth formula configuration (Fig. 4) and backlight type configuration (Fig. 5).In two kinds of configurations, Vehicular illumination system 24 comprises and is rendered as coating and the luminescence generated by light structure 16 being applied to the substrate 40 of vehicle anchor 42.Luminescence generated by light structure 16 comprises energy conversion layer 18 and comprises stabilized zone 20 and/or protective layer 22 alternatively, as described above.Energy conversion layer 18 comprises the emitting red light embedded photoluminescent material X be dispersed in polymeric matrix 44 1, green emitting embedded photoluminescent material X 2with blue-light-emitting embedded photoluminescent material X 3.Select red, green and blue-light-emitting embedded photoluminescent material X 1, X 2and X 3because the difference mixing of ruddiness, green glow and blue light can copy shades of colour sensation.Describe further as following, driving source 26 is operationally with the various redness of various shooting on group, green and blue-light-emitting embedded photoluminescent material X 1, X 2and X 3to produce the light of different colours, it allows from luminescence generated by light structure 16 loss to provide surrounding environment or operating illumination.
Driving source 26 shows external position for being in relative photoluminescence structure 16 generally and can operate to launch the initial transmission with the second input electromagnetic radiation that the first input electromagnetic radiation, the directional arrow 30 that are represented by directional arrow 28 represent and/or the light content that the 3rd input electromagnetic radiation that directional arrow 32 represents defines.In initial transmission, the excited state being configured for and exporting the corresponding light emitting diode (LED) of light at unique peak wavelength is depended in the contribution of each input electromagnetic radiation 28,30,32.In two kinds of configurations, from blue led 34 from the selected peak wavelength λ of blue color spectrum color gamut (it is defined herein as the wave-length coverage being totally expressed as blue light (~ 450-495 nanometer)) 1launch the first input electromagnetic radiation 28.From blue led 36 at the same peak wavelength λ selected from blue color spectrum color gamut 2launch the second input electromagnetic radiation 30 and from blue led 38 further from the peak wavelength λ that blue color spectrum color gamut is selected 3launch the 3rd input electromagnetic radiation 32.
Due to peak wavelength λ 1, λ 2and λ 3there is different length, the respective primary responsibility of blue led 34,36 and 38 be excitated red, green and blue-light-emitting embedded photoluminescent material X 1, X 2, X 3one of.Particularly, blue led 34 primary responsibility excitated red light emitting photo-luminescent material X 1, blue led 36 primary responsibility excites green emitting embedded photoluminescent material X 2, and blue led 38 primary responsibility excitated blue light emitting photo-luminescent material X 3.In order to more efficient power conversion, selected emitting red light embedded photoluminescent material X 1the relevant peak wavelength λ of electromagnetic radiation 28 is inputted to first for having to correspond to 1peak absorbtivity wavelength.When energized, emitting red light embedded photoluminescent material X 1first input electromagnetic radiation 28 is converted to and represents with directional arrow 46 and there is the peak emission wavelength E of the wavelength comprising red spectrum color gamut (being defined as the wave-length coverage being totally expressed as ruddiness (~ 620-750 nanometer) at this) 1first export electromagnetic radiation.Similarly, selected green emitting embedded photoluminescent material X 2for having the peak wavelength λ corresponding to the second input electromagnetic radiation 30 2peak absorbtivity wavelength.When energized, green emitting embedded photoluminescent material X 2second electromagnetic radiation 30 is converted to and represents with directional arrow 48 and there is the peak emission wavelength E of the wavelength comprising green spectral color gamut (being defined as the wave-length coverage being totally expressed as green glow (~ 526-606 nanometer) at this) 2second export electromagnetic radiation.Finally, selected blue-light-emitting embedded photoluminescent material X 3for having the peak wavelength λ corresponding to the 3rd input electromagnetic radiation 32 3peak absorbtivity wavelength.When energized, blue-light-emitting embedded photoluminescent material X 33rd input electromagnetic radiation 32 is converted to and represents with directional arrow 50 and there is the peak emission wavelength E of the longer wavelength comprising blue color spectrum color gamut 3the 3rd export electromagnetic radiation.
Consider the relative arrowband of blue color spectrum color gamut, will be appreciated that, at red, green and blue-light-emitting embedded photoluminescent material X 1, X 2, X 3absorption spectrum between can there are some spectra overlappings.This can cause more than a kind of red, green and blue-light-emitting embedded photoluminescent material X 1, X 2, X 3accident excite, although only have one of blue led 34,36,38 to be active, thus produce beyond thought blend of colors.Therefore, if want larger color separated, to minimize any spectra overlapping between them, redness, green and the blue-light-emitting embedded photoluminescent material X with narrow-band absorption spectrum should be selected 1, X 2, X 3, and should separated peaks wavelength X 1, λ 2and λ 3to make redness, green and blue-light-emitting embedded photoluminescent material X 1, X 2, X 3peak absorbtivity wavelength between can be enough separation.In this way, according to excitated red, green and blue-light-emitting embedded photoluminescent material X 1, X 2, X 3any, the Secondary Emission with more predictable smooth content can be produced.Secondary Emission can represent the multiple color in typical RGB (RGB) color space, comprises the color of mainly red, green, blue or their any combination.Such as, when blue led 34,36,38 is simultaneously activated, Secondary Emission can comprise the light mixture of the additional red, green and blue light being usually regarded as white light.Can by activate any combination blue led 34,36 and 38 and/or by Current Control, pulse width modulation (PWM) or the change of other means and blue led 34,36,38 relevant output intensities produce color perception in other RGB color spaces.
About Vehicular illumination system 24 disclosed herein, select blue led 34,36 and 38 is attributed to it when being used in car lighting application with utilization relative cost income as driving source 26.Use blue led 34,36 38 another advantage be the relative low visibility of blue light, it must carry out can causing lower dispersion attention to driver and other occupants in the example transmitted in place in sight before arrival luminescence generated by light structure 16 at initial transmission in one's power.But, it is to be appreciated that Vehicular illumination system 24 can also use other lighting apparatus and daylight and/or surround lighting to realize.In addition, consider the scope of the vehicle anchor that can receive luminescence generated by light structure 16, it is intended that the position of driving source 26 can according to the composition physical alterations of particular vehicle fixture and can in the outside or inside of luminescence generated by light structure 16 and/or vehicle anchor.Should understand further, driving source 26 can directly or indirectly provide initial transmission to luminescence generated by light structure 16.In other words, driving source 26 can be located so that initial transmission is propagated towards luminescence generated by light structure 16 or located so that initial transmission is by photoconductive tube, optics or like thisly distribute to luminescence generated by light structure 16.
Consider the extensive selection of available energy conversion component, many-sidedly can apply each redness of foregoing description, green and blue-light-emitting embedded photoluminescent material X 1, X 2, X 3the conversion process of energy used.According to a kind of embodiment, conversion process of energy is occurred by the single absorption/transmit events driven by an energy conversion component.Such as, emitting red light embedded photoluminescent material X 1can comprise the phosphor presenting large Stokes shift, it absorbs the first input electromagnetic radiation 28 and launches first subsequently and exports electromagnetic radiation 46.Similarly, green emitting embedded photoluminescent material X 2also can comprise the phosphor presenting large Stokes shift, it absorbs the second input electromagnetic radiation 30 and launches second and exports electromagnetic radiation.Use phosphor or other benefits presenting the energy conversion component of large Stokes shift to be and can export between electromagnetic radiation and realize larger color separated in input electromagnetic radiation, this be due to corresponding Absorption and emission spectra between spectra overlapping reduce.Similarly, by presenting single Stokes shift, absorption and/or the emission spectrum of the absorption of given embedded photoluminescent material and/or emission spectrum and another embedded photoluminescent material unlikely have spectra overlapping, thus provide larger color separated between selected embedded photoluminescent material.
According to another kind of embodiment, conversion process of energy is occurred by the energy cascade (energycascade) of the absorption/transmit events driven by multiple energy conversion components with relatively short Stokes shift.Such as, emitting red light embedded photoluminescent material X 1can fluorescent dye be comprised, to launch so as to absorbing some or all first input electromagnetic radiation 28 there is longer wavelength and not be the first middle electromagnetic radiation of the distinctive color of the first input electromagnetic radiation 28.Then, second time absorbs the first middle electromagnetic radiation and has longer wavelength to launch and be not the second middle electromagnetic radiation of the distinctive color of the first middle electromagnetic radiation.The second middle electromagnetic radiation can be changed further with the additional-energy conversion element presenting suitable Stokes shift until obtain expect export the relevant peak emission wavelength E of electromagnetic radiation 46 to first 1.For green emitting embedded photoluminescent material X 2also same conversion process of energy can be observed.Although the conversion process of energy implementing energy cascade can produce wide chromatogram, due to the larger possibility of the spectra overlapping between relevant Absorption and emission spectra, the quantity of the Stokes shift of increase can cause the frequency reducing of poor efficiency to be changed.In addition, if want larger color separated, should additional consideration be applied and have minimum overlapping so that the absorption of embedded photoluminescent material and/or emission spectrum and another kind also implement the absorption of the embedded photoluminescent material of energy cascade and/or some other conversion process of energy and/or emission spectrum.
About blue-light-emitting embedded photoluminescent material X 3, because input electromagnetic radiation 32 all tends to have relative close peak wavelength with output electromagnetic radiation 50 in blue color spectrum color gamut, the 3rd input electromagnetic radiation 32 may be dispensable by the continuous conversion of energy cascade.Therefore, blue light electroluminescent material X 3the energy conversion component presenting little Stokes shift can be comprised.If want larger color separated, should select and have and red and green emitting embedded photoluminescent material X 1, X 2absorption spectrum there is the blue light electroluminescent material X of the emission spectrum of minimum spectra overlapping 3.Alternatively, ultraviolet LED can replace blue led 38 to allow to use the energy conversion component that presents larger Stokes shift and for the blue-light-emitting embedded photoluminescent material X in blue spectrum color gamut 3emission spectrum more elastic space chance is provided.For front smooth formula configuration, luminescence generated by light structure 16 can comprise alternatively be configured for reflection from blue led 38 launch the 3rd input electromagnetic radiation 32 replace perform to its power conversion to represent the narrowband reflection material of blue light, which obviate comprising blue-light-emitting embedded photoluminescent material X 3demand.Alternatively, above-mentioned reflecting material can be configured for the first and second input electromagnetic radiation 28,30 of the selected quantity of reflection to represent blue light, thus avoids comprising blue-light-emitting embedded photoluminescent material X 3with the demand of blue led 38.For backlight type configuration, blue light can represent only by the 3rd input electromagnetic radiation 32 relied on through some quantity of luminescence generated by light structure 16 alternatively, wherein eliminates blue-light-emitting embedded photoluminescent material X 3.
Because many energy conversion components are lambertian emitter (Lambertian emitter), the Secondary Emission of generation can be propagated in all directions, comprises the direction pointed to away from the output surface 52 of the expectation of luminescence generated by light structure 16.Therefore, some or all Secondary Emission can be caught (total internal reflection) by corresponding structure (as vehicle anchor) or absorb, thus reduce the brightness of luminescence generated by light structure 16.In order to minimize above-mentioned phenomenon, luminescence generated by light structure 16 can comprise at least one structure alternatively and change direction (as reflection) for the wavelength selectivity layer 54 towards output surface 52 (it is also equivalent to the input surface 56 configured about light formula before shown in Fig. 4) in order to make the Secondary Emission of abnormal propagation.In the example that input surface 56 is different with output surface 52, as configured overall shown by backlight type at Fig. 5, wavelength selectivity layer 54 should easily transmit any initial transmission and make the Secondary Emission of any abnormal propagation change direction is towards output surface 52.
In two kinds of configurations, wavelength selectivity layer 54 is between substrate 40 and energy conversion layer 18, so that making at least some change direction towards the Secondary Emission that substrate 40 is propagated is towards output surface 52, to maximize the output of the Secondary Emission from luminescence generated by light structure 16.In order to this object, wavelength selectivity layer 54 should at least by disseminate but do not inhale export to first, second, and third respectively electromagnetic radiation 46,48,50 relevant peak emission wavelength E 1, E 2, E 3material preparation.Wavelength selectivity layer 54 can be rendered as coating and use some methods described before or other method optics be applicable to are couple to energy conversion layer 18 and adhere to energy conversion layer 18 and substrate 40.
With reference to figure 6, driving source 26 can be conductively coupled to processor 60, and processor 60 is provided power to driving source 26 by power supply 62 (as vehicle power) and controlled the strength level of the mode of operation of driving source and/or the initial transmission of driving source 26.Control instruction to processor 60 can automatically perform from the program stored in memory.Additionally or alternatively, control instruction can be provided from vehicle arrangement or system by least one input 64.Additionally or alternatively, control instruction can be provided to processor 60 by any traditional user's input mechanism 66 (but be such as not limited to button, switch, touch-screen or like this).Although figure 6 illustrates the processor 60 being electrically coupled to a driving source 26, it is intended that processor 60 also can be configured for the method quota external excitation source using any foregoing description.
With reference to figure 7 and 8, backlight type assembly 67 be usually illustrated as and before this is described as being included in reference to figure 5 describe backlight type configuration in Vehicular illumination system 24 and any optional configuration related to this can be used.As shown in Figure 7, exemplarily, backlight type assembly 67 is set to the central control board of the bearing assembly 68 (as trimmer (trimplate)) with one or more backlight type interactive components that supporting represents with Reference numeral 70a, 70b and 70c.In order to illustrate, backlight type interactive component 70a, 70b, 70c are rendered as button, knob and toggle switch respectively, and each can be configured to enables user mutual with one or more vehicle arrangement, such as audio system, atmosphere control system, navigation system etc.
With reference to figure 8, show the cross section view of backlight type interactive component 70 according to an embodiment.About illustrated embodiment, backlight type interactive component 70a extends through the opening of formation in bearing assembly 68 at least partly and can be arranged in any conventional way in backlight type assembly 67.Backlight type interactive component 70a can comprise the light conductive body with front side 78 and at least one sidewall 80, and can be formed by injection mo(u)lding or other methods be applicable to.Although backlight type interactive component 70 is rendered as button in fig. 8, it is intended that other embodiments are also possible, such as knob, toggle switch or like this.
According to the present embodiment, driving source 26 by locate to provide by directional arrow 84 represent with backlight form to the initial transmission of backlight type interactive component 70a.Initial transmission 84 can directly to provide or indirectly by photoconductive tube, optics or like thisly to provide from driving source 26, and can comprise one or more input electromagnetic radiation, and each have unique relevant peak wavelength and eachly to launch from corresponding LED.
Initial transmission 84 is provided to the front side 78 of backlight type interactive component 70a and transmits via it.Then, in luminescence generated by light structure 16, receive initial transmission 84, all initial transmission can be converted to the Secondary Emission comprising one or more output electromagnetic radiation by luminescence generated by light structure 16 substantially, and it is each has unique relevant peak emission wavelength.As selection, part initial transmission can be converted to Secondary Emission and as unconverted output electromagnetic radiation delivery remainder by luminescence generated by light structure 16.Under any circumstance, the one or more output electromagnetic radiation represented by arrow 86 entirety are left by the output surface 52 of luminescence generated by light structure 16 and are represented the color perception in RGB color space.
In order to strengthen the brightness of luminescence generated by light structure 16, provide wavelength selectivity layer 54 at this, changing direction for making any backscattered Secondary Emission 86 is towards output surface 52.Alternatively, opaque layer 88 is at least couple to luminescence generated by light structure 16 and defines opening 90, and opening 90 is the features of the mark that transmission Secondary Emission is passed through, thus illuminates mark.
With reference to figure 9, show the schematic diagram for implementing the top lighting system 92 in vehicle 93.The Vehicular illumination system 24 of the front light formula configuration described with reference to figure 4 before top lighting system 92 comprises and any optional configuration related to this can be used.As shown in Figure 9, luminescence generated by light structure 16 be coupled to vehicle headliner 94 contiguously and multiple driving source 26a-26g each by located with towards luminescence generated by light structure 16 relevant range 96a-96g launch initial transmission.The initial transmission launched from any given driving source 26a-26g can comprise one or more input electromagnetic radiation, and it is each has unique relevant peak wavelength and eachly to launch from corresponding LED.As previously described, all initial transmission can be converted to the Secondary Emission comprising one or more output electromagnetic radiation by luminescence generated by light structure 16 substantially, and it is each has unique relevant peak emission wavelength.As selection, luminescence generated by light structure 16 can radiating portion initial transmission remainder is converted to Secondary Emission and reflects.In arbitrary configuration, luminescence generated by light structure 16 can comprise wavelength selectivity layer 54 alternatively, changes direction to strengthen the brightness of luminescence generated by light structure 16 for making any backscattered Secondary Emission.
In the illustrated embodiment in which, driving source 26a-26d is each is operationally coupled to relevant headrest 98a-98d and optical arrangement is the entirety illuminating luminescence generated by light structure 16 is the corresponding corner regions 96a-96d of circular pattern.The each optics of driving source 26e and 26f is couple to relevant b column 100e, 100f and each optical arrangement is the entirety illuminating luminescence generated by light structure 16 is corresponding lateral side regions 96e, the 96f of semicircle style.Finally, driving source 26g is operationally coupled to vehicle headliner 94 and optical arrangement is illuminate the overall corresponding central area 96 for circular pattern.As in fig .9 see, this overlap be arranged as between relevant range 96a-96g located adjacent one another provides chance, thus the whole area of the essence covering luminescence generated by light structure 16.Similarly, top lighting system 92 (as by processor 60) can be controlled to provide total or independent lighting experience by activating all or part driving source 26a-26g.In addition or as select, the color perception (being made up of the input electromagnetic radiation exporting electromagnetic radiation and/or reflection) that the use of multiple driving source 26a-26g makes any given relevant range 96a-96g of luminescence generated by light structure 16 produce in RGB color space becomes possibility, and it is identical or different with the color perception produced by any other relevant range 96a-96g.The light content of this initial transmission can launched from any active driving source 26a-26g by operation is realized.
Therefore, there is described herein Vehicular illumination system 24.Advantageously, Vehicular illumination system 24 uses the luminescence generated by light structure 16 that initial transmission can be converted to Secondary Emission to provide multiple color perception, thus enhances the overall appearance of driving experience and/or vehicle anchor.
Should be understood that, when not departing from the present invention's design, 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. a top lighting system, comprises:
Inside roof lining;
Luminescence generated by light structure, it is coupled to inside roof lining contiguously; And
Multiple driving source, it is each is operationally coupled to headrest, one of b column and inside roof lining, and can operate to launch initial transmission with the relevant range of exciting light photoluminescence structure, wherein each relevant range structure is in order to be converted to Secondary Emission by initial transmission and to be positioned at the corner regions of luminescence generated by light structure, one of lateral side regions and central area so that each relevant range is overlapping with relevant range that at least one is close at least partly.
2. top lighting system according to claim 1, wherein each driving source comprises the first blue LED, the second blue LED and the 3rd blue LED, and its each operation exports unique relevant blue light peak wavelength.
3. top lighting system according to claim 2, wherein initial transmission at least comprises the first input electromagnetic radiation from the first blue LED transmitting, the second input electromagnetic radiation from the second blue LED transmitting and inputs one of electromagnetic radiation from the 3rd of the 3rd blue LED transmitting.
4. top lighting system according to claim 3, wherein luminescence generated by light structure comprises energy conversion layer, energy conversion layer have excite primarily of the first input electromagnetic radiation emitting red light embedded photoluminescent material, primarily of the second input green emitting embedded photoluminescent material of exciting of electromagnetic radiation and the blue-light-emitting embedded photoluminescent material that excites primarily of the 3rd blue LED.
5. top lighting system according to claim 4, wherein Secondary Emission at least comprises the first output electromagnetic radiation, second and exports electromagnetic radiation and the 3rd and export one of electromagnetic radiation, and it is each has unique relevant peak emission wavelength.
6. top lighting system according to claim 5, wherein the first input electromagnetic radiation is converted to the first output electromagnetic radiation by emitting red light embedded photoluminescent material, second input electromagnetic radiation is converted to the second output electromagnetic radiation by green emitting embedded photoluminescent material, and the 3rd input electromagnetic radiation is converted to the 3rd output electromagnetic radiation by blue-light-emitting embedded photoluminescent material.
7. a top lighting system, comprises:
Inside roof lining;
Luminescence generated by light structure, it is coupled to inside roof lining; And
Multiple driving source, its each first input electromagnetic radiation operating the relevant range of at least launching for exciting light photoluminescence structure, second input electromagnetic radiation, and the 3rd inputs one of electromagnetic radiation, wherein each relevant range comprises structure in order to the first input electromagnetic radiation to be converted to the emitting red light embedded photoluminescent material of the first output electromagnetic radiation, construct the green emitting embedded photoluminescent material in order to the second input electromagnetic radiation to be converted to the second output electromagnetic radiation, and structure is in order to be converted to the 3rd input electromagnetic radiation the blue-light-emitting embedded photoluminescent material that the 3rd exports electromagnetic radiation.
8. top lighting system according to claim 7, wherein multiple driving source is each is operationally coupled to headrest, one of b column and inside roof lining.
9. top lighting system according to claim 7, wherein each relevant range is positioned at the corner regions of luminescence generated by light structure, one of lateral side regions and central area and overlapping with relevant range that at least one is close at least partly.
10. top lighting system according to claim 7, wherein each in first, second, and third input electromagnetic radiation have unique relevant peak wavelength.
11. top lighting systems according to claim 10, are wherein eachly expressed as blue light in first, second, and third input electromagnetic radiation.
12. top lighting systems according to claim 7, wherein first, second, and third output electromagnetic radiation is each has unique relevant peak emission wavelength.
13. 1 kinds of top lighting systems, comprise:
Inside roof lining;
Luminescence generated by light structure, it is coupled to inside roof lining; And
At least one driving source, it can operate to launch at least one input electromagnetic radiation, and the relevant range for exciting light photoluminescence structure exports electromagnetic radiation to produce at least one.
14. top lighting systems according to claim 13, wherein at least one driving source is operationally coupled to headrest, one of b column and inside roof lining.
15. top lighting systems according to claim 13, wherein each relevant range comprises the corner regions of luminescence generated by light structure, one of lateral side regions and central area and overlapping with at least one contiguous relevant range.
16. top lighting systems according to claim 13, wherein at least one input electromagnetic radiation comprises multiple input electromagnetic radiation, and it is each has unique relevant peak wavelength.
17. top lighting systems according to claim 16, wherein multiple input electromagnetic radiation is converted to multiple output electromagnetic radiation by luminescence generated by light structure, and multiple output electromagnetic radiation is each has unique relevant peak emission wavelength.
18. top lighting systems according to claim 16, wherein luminescence generated by light structural allocation is at least to reflect one of multiple input electromagnetic radiation.
19. top lighting systems according to claim 16, wherein luminescence generated by light structural allocation is one of at least multiple input electromagnetic radiation of part reflection, and the remainder of one of at least multiple input electromagnetic radiation of conversion.
20. top lighting systems according to claim 16, each wherein in multiple input electromagnetic radiation is launched from one of blue LED and ultraviolet LED.
CN201510007277.1A 2014-01-16 2015-01-07 Top lighting system with luminescence generated by light structure Expired - Fee Related CN104791682B (en)

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CN104791682B (en) 2019-05-14
BR102015000989A2 (en) 2016-06-28

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