CN208107968U - Light guide assemblies - Google Patents

Light guide assemblies Download PDF

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Publication number
CN208107968U
CN208107968U CN201690001076.9U CN201690001076U CN208107968U CN 208107968 U CN208107968 U CN 208107968U CN 201690001076 U CN201690001076 U CN 201690001076U CN 208107968 U CN208107968 U CN 208107968U
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CN
China
Prior art keywords
light guide
light
coupling part
optical coupling
product
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Application number
CN201690001076.9U
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Chinese (zh)
Inventor
刘涛
布伦特·A·赫丁
布莱恩·W·欧斯特利
大卫·C·默科德
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3M Innovative Properties Co
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3M Innovative Properties Co
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Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0005Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type
    • G02B6/001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type the light being emitted along at least a portion of the lateral surface of the fibre
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/235Light guides
    • F21S43/242Light guides characterised by the emission area
    • F21S43/245Light guides characterised by the emission area emitting light from one or more of its major surfaces
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033Means for improving the coupling-out of light from the light guide
    • G02B6/0058Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
    • G02B6/006Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to produce indicia, symbols, texts or the like
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0075Arrangements of multiple light guides
    • G02B6/0076Stacked arrangements of multiple light guides of the same or different cross-sectional area

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Planar Illumination Modules (AREA)
  • Optical Couplings Of Light Guides (AREA)

Abstract

The utility model describes light guide assemblies comprising:First light guide, the second light guide and the optical coupling part for being arranged between first light guide and second light guide and being attached to first light guide and second light guide.The optical coupling part is suitable for coupling light between first light guide and second light guide.First light guide, second light guide and the optical coupling part are coextensive on the region that at least part along the article length of the product extends.One of first light guide and second light guide may include the first light extractor being at least partially disposed in the region.

Description

Light guide assemblies
Background technique
Light guide may include the light extraction features portion for being configured to extract light from light guide side.Such light guide can be used for respectively Illumination in kind application, such as belt illumination and board-like illumination.
Summary of the invention
In some aspects of this specification, a kind of product is provided comprising:First light guide, the second light guide, Yi Jishe Set between first light guide and second light guide and be attached to first light guide and second light guide and be suitable for this first The optical coupling part of light is coupled between light guide and second light guide.First light guide, second light guide and the optical coupled portion Part is coextensive on the region that at least part along the article length of the product extends.First light guide and this second One of light guide includes the first light extractor being at least partially disposed in the region.First light extractor is configured to Light is extracted from the product by the side of first light guide or second light guide.
In some aspects of this specification, a kind of product is provided comprising:First light guide, the second light guide, Yi Jishe Set between first light guide and second light guide and be attached to first light guide and second light guide and be suitable for this first The optical coupling part of light is coupled between light guide and second light guide.First light guide, second light guide and the optical coupled portion Part is coextensive in at least length of 1cm.
In some aspects of this specification, a kind of product is provided comprising:First light guide, the second light guide, Yi Jishe Set between first light guide and second light guide and be attached to the optical coupling part of first light guide and second light guide.It should First light guide, second light guide and the optical coupling part are coextensive at least part of the length of the product.This One of one light guide and second light guide include being configured to through the side of first light guide or second light guide from the system First light extractor of product extraction light.The optical coupling part is suitable for optical coupled first light guide and second light guide, wherein Optical coupled mainly at least one of following function:First amplitude of the first light propagated in first light guide with And the second amplitude of the second light propagated in second light guide.
In some aspects of this specification, a kind of product is provided comprising:First light guide, the second light guide, Yi Jishe Set between first light guide and second light guide and be attached to the optical coupling part of first light guide and second light guide.It should First light guide, second light guide and the optical coupling part are coextensive at least part of the length of the product.This One of one light guide and second light guide include being configured to through the side of first light guide or second light guide from the system First light extractor of product extraction light.The optical coupling part is suitable for optical coupled first light guide and second light guide, and The optical coupling part has to be suitable for preventing at least one optical coupled position along the optical coupling part length.
In some aspects of this specification, a kind of product is provided comprising:First light guide, the second light guide, Yi Jishe Set between first light guide and second light guide and be attached to first light guide and second light guide and be suitable for this first The optical coupling part of light is coupled between light guide and second light guide.First light guide, second light guide and the optical coupled portion Part is coextensive on the region that at least part along the article length of the product extends.First light guide and this second One of light guide includes the first light extractor being at least partially disposed in the region.First light extractor is configured to Light is extracted from the product by the side of first light guide or second light guide.First light guide, second light guide and the optics Coupling unit is coextensive in at least length of 1cm.Optical coupling part offer is optical coupled, this is optical coupled mainly Function at least one of below:First amplitude of the first light propagated in first light guide and in second light guide Second amplitude of the second light propagated.
Detailed description of the invention
Fig. 1 is the perspective view of a part of light guide assemblies;
Fig. 2-Fig. 5 is the top view of light guide assemblies;
Fig. 6-Fig. 7 is the perspective view of light guide assemblies;
Fig. 8 A- Figure 12 is the sectional view of light guide assemblies;
Figure 13 is the top view with the light guide of light extractor;And
Figure 14-Figure 15 is the curve graph along the brightness of lightguide length.
Specific embodiment
Attached drawing, the side which forms a part of the invention and be wherein illustrated with are referred in the following description Formula shows various embodiments.Attached drawing is not necessarily drawn to scale.It should be appreciated that in the feelings for not departing from the scope of the present disclosure or essence Under condition, it is contemplated that and carry out other embodiments.Therefore, detailed description below is not be considered in a limiting sense.
It is used herein with space correlation term (including but not limited to "lower", "upper", " in ... lower section ", " ... Below ", " in ... top ", " on ... top "), be for ease of description (or multiple) element relative to another yuan The spatial relationship of part.In addition to shown in attached drawing or specific orientation as described herein other than, it is such to cover dress with space correlation term Set different orientation in use or operation.For example, if describe in attached drawing object overturning or reverse, it is previously described Below other elements or following part is now placed in above those other elements.
Light guide for illumination may include the light extractor for extracting light from the side of light guide, and may include can Receive the input terminal or opposite input terminal of the light input from one or more light sources.Light extractor may include multiple discrete Light extraction features portion spaced apart can be arranged and provide the Uniform Illumination of target area.However, selection light extraction features The distribution in portion may be difficult with the illumination intensity for generating substantially uniformity at target area.According to this specification, send out Showed using two (or more) light guides between light guide with optical coupling part can provide illumination more evenly and/or Allow using simplified light extractor.For example, light directing article or component may include receive it is defeated from the light in one or more sources The first light guide entered and the second light guide of the light input by optical coupling part receiving from the first light guide, wherein the second light Lead the light extractor for extracting light from component including the side by the second light guide.In some embodiments, it is mentioned from light guide assemblies The light taken (or is more than at least 75% or is more than at least 85% or super in at least half of the whole length of light guide assemblies Cross at least 90%) on have substantially homogeneous intensity.Have discovered that light extractor can be for example continuous diffusing globe, Huo Zheke To be multiple equally distributed recesses at such as the second light guide surface, and still provide defeated along the light of light guide assemblies length Being uniformly distributed with for suitable optical coupling part out.
Fig. 1 is the perspective view of a part of light guide assemblies 100, which includes:First light guide 102, the second light It leads 104 and is arranged between the first light guide 102 and the second light guide 104 and is attached to the first light guide 102 and the second light guide 104 Optical coupling part 106.Optical coupling part 106 is suitable for coupling light between the first light guide 102 and the second light guide 104.? In embodiment shown in FIG. 1, the first light guide 102, the second light guide 104 and optical coupling part 106 can be in light guide assemblies 100 Whole length on or basic whole length on it is coextensive.As the other places this paper further describe, in some embodiments, The length along light guide assemblies 100 of first light guide 102, the second light guide 104 and optical coupling part 106 in light guide assemblies 100 A part extend region on it is coextensive.First light guide 102 includes side 110, first end 112 and opposite second end (not shown).Light source 130 is disposed adjacent to first end 112 to inject light in the first light guide 102.Second light guide 104 packet Include side 116, first end 118 and opposite second end (not shown).Second light guide 104 includes light extractor 108.In some realities It applies in scheme, the first light guide 102 includes the first light extractor, and the second light guide 104 includes the second light extractor.Light extractor 108 are configured to extract light from light guide assemblies 100 by the side 116 of the second light guide 104.In some embodiments, first Light guide includes the light extractor for being configured to extract light from light guide assemblies 100 by the side 110 of the first light guide 102.
In many embodiments, light can accurately be described in the light guide assemblies of this specification according to geometric optics Propagation.In such embodiment, optical coupling part 106 provides the optics between the first light guide 102 and the second light guide 104 Coupling, optical coupled mainly at least one of following function:The first of the first light propagated in the first light guide 102 Second amplitude of amplitude and the second light propagated in the second light guide 104.It is optical coupled to be substantially independent of first The second phase of the first phase for the first light propagated in light guide 102 and the second light propagated in the second light guide 104.So And even if coupling may be determined mainly by amplitude, it is optical coupled to be somewhat dependent upon phase.In some implementations In scheme, optical coupled is at least one of following function:The first phase for the first light propagated in the first light guide 102 And the second phase for the second light propagated in the second light guide 104.
In some embodiments, light is injected in the one or both ends of the first light guide 102, and) from from the second light The product 100 for leading 104 extracts light.Optical coupling part 106 may be adapted to the phase between the first light guide 102 and the second light guide 104 To light is weaker coupled, so that extracting most of light in the first light guide 102 of injection from the intermediate region of the second light guide 104.This It can be realized by limiting the thickness of optical coupling part 106.For example, the thickness of optical coupling part 106 can be less than directly 1 times of diameter or 0.8 times, 0.5 times or 0.3 times or 0.2 times or one of the first light guide 102 and the second light guide 104 or The maximum transverse size of the two.As further discussing the other places this paper, in some embodiments, the first light guide 102 and Between two light guides 104 it is optical coupled can by be suitable for preventing optical coupled one or more regions between light guide come into One successive step.
Fig. 2 is the top view of light guide assemblies 200, which includes:First light guide 202, the second light guide 204, with And it is arranged between the first light guide 202 and the second light guide 204 and is attached to the optics coupling of the first light guide 202 and the second light guide 204 Close component 206.Optical coupling part 206 is suitable for coupling light between the first light guide 202 and the second light guide 204.First light guide 202, a part of the second light guide 204 and optical coupling part 206 in the length L along light guide assemblies 200 of light guide assemblies 200 It is coextensive on the region 220 of extension.In some embodiments, region 220 is at least 1cm or at least 3cm or at least Extend in the length of 10cm.In some embodiments, region 220 the length L of light guide assemblies 200 at least half (or extremely Few 75% or at least 85%) on or extend on the whole length L or substantially all length L of light guide assemblies 200.
First light guide 202 includes first end 212 and opposite second end 213.Second light guide 204 includes 218 He of first end Opposite second end 219.In the embodiment illustrated, light source 230 is configured to the first end 212 close to the first light guide 202 And it is configured to inject light in the first end 212 of the first light guide 202.In other embodiments, including close to the first light Lead one of 202 first end 212 and the first end 218 and second end 219 of second end 213 and the second light guide 204 or more One or more light sources of person.
Second light guide 204 includes the light extractor 208 being at least partially disposed in region 220.In some embodiments In, the first light guide 202 includes the first light extractor, and the second light guide 204 includes the second light extractor.208 quilt of light extractor It is configured to extract light from light guide assemblies 200 by the side of the second light guide 204.In some embodiments, the first light guide 202 can To include the light extractor for being configured to extract light from light guide assemblies 200 by the side of the first light guide 202.For example, as herein What other places further described, the first light guide 202 may include illuminating one or more marks suitable for the lateral position in the first light guide 202 The light extractor of note.
In the embodiment depicted in fig. 1, light extractor 108 is continuous or substantially continuous, and reality shown in Fig. 2 It applies in scheme, light extractor 208 is discontinuous.Light extractor 208 includes the light extraction features portion opened multiple discrete intervals 209, it can be multiple recesses on the surface of the second light guide 204, and at least one of light extraction features portion 209 is arranged In area 220.
Fig. 3 is the top view of light guide assemblies 300, which includes:First light guide 302, the second light guide 304, with And it is arranged between the first light guide 302 and the second light guide 304 and is attached to the optics coupling of the first light guide 302 and the second light guide 304 Close component 306.Optical coupling part 306 is suitable for coupling light between the first light guide 302 and the second light guide 304.First light guide 302, a part of the second light guide 304 and optical coupling part 306 in the length L along light guide assemblies 300 of light guide assemblies 300 It is coextensive on the region 320 of extension.In some embodiments, region 320 is at least 1cm or at least 3cm or at least Extend in the length of 10cm.In some embodiments, region 320 the length L of light guide assemblies 300 at least half (or extremely Few 75% or at least 85%) on or extend on the whole length L or substantially all length L of light guide assemblies 300.
In Fig. 1 and embodiment shown in Fig. 2, optical coupling part 106 and 206 is continuous respectively.It is shown in Fig. 3 Embodiment in, optical coupling part 306 is discontinuous.Optical coupling part 306 includes being suitable for preventing the first light guide 302 The second optical coupled one or more positions 333 between light guide 304 and.May include such position so as to reduce light guide it Between whole optical coupling, because it has been found that this can improve the uniform of the light output from light guide assemblies in some cases Property.In some embodiments, position 333 be less than region 320 about half (be less than about one third or be less than about four / mono-) extend on.Optical coupling part 306 may include the optical coupled light between the first light guide 302 and the second light guide 304 The part 307 opened of discrete interval, and the position 333 including can be the gap between part 307.In other embodiments In, optical coupling part 306 may include preventing with recess, opening or in those positions the first light guide 302 and the second light Lead one or more regions of the optical coupled other structures between 304.It is optical coupled in other other embodiments Component 306 can be provided between the first light guide 302 and the second light guide 304 it is substantially homogeneous optical coupled, without include prevent Optical coupled any structure between first light guide 302 and the second light guide 304.
First light guide 302 includes side and first end 312 and opposite second end 313.Second light guide 304 includes first End 318 and opposite second end 319.In the embodiment illustrated, light source 330 is configured to close to the first light guide 302 One end 312 and be configured to will light inject the first light guide 302 first end 312 in.In other embodiments, including it is close One in the first end 312 and second end 313 of first light guide 302 and the first end 318 and second end 319 of the second light guide 204 One or more light sources of person or more persons.
Second light guide 304 includes the light extractor 308 being at least partially disposed in region 320.In some embodiments, First light guide 302 includes the first light extractor, and the second light guide 304 includes the second light extractor.Light extractor 308 is configured Light is extracted from light guide assemblies 300 at the side by the second light guide 304.In some embodiments, the first light guide 302 includes quilt It is configured to extract the light extractor (for example, to illuminate label) of light from light guide assemblies 300 by the side of the first light guide 302.? In embodiment shown in Fig. 3, light extractor 308 is continuous.
Fig. 4 is the top view of light guide assemblies 400, which includes:First light guide 402, the second light guide 404, with And it is arranged between the first light guide 402 and the second light guide 404 and is attached to the optics coupling of the first light guide 302 and the second light guide 304 Close component 406.Optical coupling part 406 is suitable for coupling light between the first light guide 402 and the second light guide 404.First light guide 402, the second light guide 404 and optical coupling part 406 are coextensive on the length L of light guide assemblies 400.The embodiment party shown in In case, optical coupling part 406 is continuous.In other embodiments, such as described elsewhere herein, optical coupling part 406 can be it is discontinuous.
First light guide 402 includes light extractor 438, and the second light guide 404 includes light extractor 408, shown in It is continuous or substantially continuous in embodiment.In other embodiments, such as described elsewhere herein, light extractor 408 It can be discontinuous and may include the light extraction features portion opened discrete interval.Light extractor 438 is suitable for illuminating the first light Lead one or more labels at 402 surface.In an illustrated embodiment, one or more labels include two labels;One A star and an arrow.It in other embodiments, may include one, the label of two or more.For example, label It can be or including mark or information flag (for example, caution sign).For example, light extractor 438 may include every for illuminating The continuous part such as diffusing globe of the part of a label or each label, and/or may include being arranged to illuminate each label Or the features that the discrete interval of the part of each label opens.Light extractor 438 can be set on the surface of the first light guide 402 On flat surfaces or flat.
First light guide 402 includes side and first end 412 and opposite second end 413.Second light guide 404 includes first End 418 and opposite second end 419.First light source 430 is configured to the first end 412 close to the first light guide 402 and is matched It is set in the first end 412 that light is injected to the first light guide 402.Second light source 432 is configured to first close to the second light guide 404 It holds 418 and is configured to inject light in the first end 418 of the second light guide 404.Third light source 434 is configured to close to first The second end 413 of light guide 402 and be configured to will light inject the first light guide 402 second end 413 in.4th light source, 436 quilt It is arranged to close to the second end 419 of the second light guide 404 and is configured to inject light in the second end 419 of the first light guide 404. In other embodiments, one or more of first to fourth light source 430,432,434 and 436 is omitted.For example, some In embodiment, including one or both of first light source 430 and third light source 434, and omit second light source 432 and the 4th Light source 436.
In some embodiments, including one or both of first light source 430 and third light source 434, and including One or both of second light source 432 and the 4th light source 436.First and/or third light source 430 or 434 can have first Color, and second and/or the 4th light source 432 and 436 can have the second color.First color and the second color can be phase It is same or different.In some embodiments, one or both of the first color and the second color are white, and In some embodiments, one or both of the first color and the second color are non-white.In some embodiments, it uses Multiple colored light sources can provide the expectation light output that can be adjusted by opening or closing various light sources.In some embodiments In, one or more of first to fourth light source 430,432,434,436 includes one or more light emitting diodes (LED). In some cases, at least one light source includes multiple LED.Multiple LED may include the LED of different colours, can be solely Vertical controllable exports to generate desired switchable color.
In some embodiments, the optical coupling part of this specification may include color preference optical filter.It can be with The color of light output is tuned including such optical filter, and is, for example, that illumination light output and the light output from label provide not Same color.Optical filter can be used together with identical or different colored light sources.For example, optical coupling part 406 can wrap Dyestuff containing color preference.This can pass through the first light guide 402 of coextrusion and the second light guide 404 and optical coupling part 406 It is formed, wherein optical clear polymer is coextruded to form the first light guide 402 and second light guide 404 and dyed polymers It is coextruded to form optical coupling part 406.The light output of label from the first light guide 402 can have the first color, And the illumination light output from the second light guide 404 can have the second different colors, can be basic white.
In some embodiments, color preference optical filter can be or may include polymeric multilayer optical film.It closes Suitable polymeric multilayer optical film includes with alternate high refractive index layer and low-index layer, has suitable thickness to pass through The polymeric multilayer optical film of the light of certain wavelength is reflected in constructive interference.For example, in United States Patent (USP) 3,610,729 (Rogers), 4,446,305 (Rogers et al.), 4,540,623 (Im et al.), 5,448,404 (Schrenk et al.) and 5, Such polymeric multilayer optical film is generally described in 882,774 (Jonza et al.).For example, by multi-layer optical film and two The band of multi-layer optical film is attached between two light guides using optically clear adhesive between each of a light guide, is gathered Closing object multi-layer optical film may include in the optical coupling part being arranged between two light guides.
Fig. 5 is the top view of light guide assemblies 500, which includes:First light guide 502, the second light guide 504a, Third light guide 504b and the 4th light guide 504c and setting in the first light guide 502 and second to the 4th light guide 504a, 504b and Between 504c and it is attached to the optical coupling part of the first light guide 502 and second to the 4th light guide 504a, 504b and 504c 506a, 506b and 506c.In the embodiment illustrated, three smaller light guides are attached to the first light guide by optical coupling part 502.In other embodiments, one, two, three or more light guide is attached to the first light guide 502.
Optical coupling part 506a-506c is suitable for coupling light between the first light guide 502 and light guide 504a-504c respectively. The 502, second to the 4th light guide 504a-504c and optical coupling part 506a-506c of first light guide is respectively in light guide assemblies 500 Along light guide assemblies 500 length L part extend first to third region 520a-520c on it is coextensive.Shown in In embodiment, each of optical coupling part 506a-506c is continuous.In other embodiments, optical coupled One or more of component 506a-506c can be discontinuous.In some embodiments, as described elsewhere herein, One or more of optical coupling part 506a-506c may include suitable for preventing optical coupled one between corresponding light guide A or multiple positions.
First light guide 502 includes light extractor 508, is continuous or substantially continuous in the embodiment illustrated. In other embodiments, as described elsewhere herein, light extractor 508 can be discontinuous and may include discrete The light extraction features portion separated.Light extractor 508 is suitable for extracting light from light guide assemblies 500 by the side of the first light guide 502.? In some embodiments, the first light guide 502 does not include light extractor 508.In some embodiments, in light guide 504a-504c One of or more persons include light extractor, may be adapted to illuminate the one or more at the surface of the light guide including light extractor Label.
First light guide 502 includes side and first end 512 and opposite second end 413.First light source 532 is configured to Close to the first light guide 502 first end 512 and be configured to will light inject the first light guide 502 first end 512 in.Second light Source 536 is configured to the second end 513 close to the first light guide 502 and is configured to light injecting the second of the first light guide 502 In end 513.In other embodiments, one of first light source 532 and second light source 536 are omitted.
Fig. 6 is the perspective view of light guide assemblies 600, which includes:First light guide 602, is set second light guide 604 Set between the first light guide 602 and the second light guide 604 and be attached to the first optics coupling of the first light guide 602 and the second light guide 604 It closes component 606, third light guide 605 and is arranged between the first light guide 602 and third light guide 605 and is attached to the first light guide 602 and third light guide 605 the second optical coupling part 607.First optical coupling part 606 is suitable in 602 He of the first light guide Couple light between second light guide 604, and the second optical coupling part 607 be suitable for the first light guide 602 and third light guide 605 it Between couple light.In the embodiment depicted in fig. 6, the first light guide 602, the second light guide 604 and third light guide 605 and first Optical coupling part 606 and the second optical coupling part 607 are in the whole length of light guide assemblies 600 or in basic whole length It is coextensive.In some embodiments, the first light guide 602 and the second light guide 604 and the first optical coupling part 606 are in light It is coextensive on the first area that a part of the length along light guide assemblies 600 of guide assembly 600 extends;And the first light guide 602 and third light guide 605 and the second optical coupling part 607 light guide assemblies 600 the length along light guide assemblies 600 It is coextensive on the second area that a part extends.In some embodiments, first area and second area are identical, and And in some embodiments, first area and second area are different.In some embodiments, first area and second Region overlapping, and in some embodiments, first area and second area are not overlapped.
First optical coupling part 606 and the second optical coupling part 607 can be it is continuous or discontinuous, and can To include being suitable for preventing optical coupled one or more positions between corresponding adjacent light guides along optical coupling part length It sets.
First light guide 602 includes opposite first end 612 and second end 613 and including light extractor 608, the light extraction Device 608 can be corresponding with any light extractor described elsewhere herein.Light extractor 608 is suitable for through the first light guide 602 Light is extracted from light guide assemblies 600 in side 616.Second light guide 604 includes opposite first end 618 and second end 619, and including Side comprising one or more flat surfaces 637.Third light guide 605 includes opposite first end 628 and second end 629, and And including the side comprising one or more flat surfaces 639.One or both of second light guide 604 and third light guide 605 It may include the light extractor suitable for extracting light from light guide assemblies 600 by one or more of surface 637 and 639.One In a little embodiments, such light extractor is suitable for illuminating one or more marks at one or more of surface 637 and 639 place Note.
One or more light sources can be configured to close to one of end 612,613,618,619,628 and 629 or More persons.In some embodiments, light source is configured to close to one in the first end 618 and second end 619 of the second light guide 604 Person or both, and light source is configured to close to one or both of the first end 628 of third light guide 605 and second end 629. First light guide 602 substantially only can receive light from the second light guide 604 and third light guide 605, without from being configured to close to the The first end 612 of one light guide 602 and second and 613 any light source receive light.
Fig. 7 is the perspective view of light guide assemblies 700, which includes:First light guide 702, is set second light guide 704 Set between the first light guide 702 and the second light guide 704 and be attached to the first optics coupling of the first light guide 702 and the second light guide 604 It closes component 706, third light guide 705 and is arranged between the first light guide 602 and third light guide 705 and is attached to the first light guide 602 and third light guide 605 the second optical coupling part 707.First optical coupling part 706 is suitable in 702 He of the first light guide Couple light between second light guide 704, and the second optical coupling part 707 be suitable for the first light guide 702 and third light guide 705 it Between couple light.In the embodiment depicted in fig. 7, the first light guide 702, the second light guide 704 and third light guide 705 and first Optical coupling part 706 and the second optical coupling part 707 are in the whole length of light guide assemblies 700 or in basic whole length It is coextensive.In some embodiments, the first light guide 702 and the second light guide 704 and the first optical coupling part 706 are in light It is coextensive on the first area that a part of the length along light guide assemblies 700 of guide assembly 700 extends;And the first light guide 702 and third light guide 705 and the second optical coupling part 707 light guide assemblies 700 the length along light guide assemblies 700 It is coextensive on the second area that a part extends.In some embodiments, first area and second area are identical, and And in some embodiments, first area and second area are different.In some embodiments, first area and second Region overlapping, and in some embodiments, first area and second area are not overlapped.
First optical coupling part 706 include along the first optical coupling part 706 length be suitable for prevent the first light Lead 702 and second optical coupled multiple positions 733 between light guide 704.Second optical coupling part 707 includes along second The length of optical coupling part 707 is suitable for preventing optical coupled multiple positions between the first light guide 702 and third light guide 705 Set 735.In some embodiments, position 733 be less than optical coupling part 706 length about half (or be less than about three / mono- or be less than about a quarter) on extend, and position 735 be less than optical coupling part 707 length about half Extend on (or be less than about one third or be less than about a quarter).
First light guide 702 includes opposite first end 712 and second end 713 and including light extractor 708, the light extraction Device 708 can be corresponding with any light extractor described elsewhere herein.Light extractor 708 is suitable for through the first light guide 702 Light is extracted from light guide assemblies 700 in side 716.Second light guide 704 includes opposite first end 718 and second end 719, and including Side comprising one or more flat surfaces 737.Third light guide 705 includes opposite first end 728 and second end 729, and And including the side comprising one or more flat surfaces 739.One or both of second light guide 704 and third light guide 705 It may include the light extractor suitable for extracting light from light guide assemblies 700 by one or more of surface 737 and 739.One In a little embodiments, such light extractor is suitable for illuminating one or more marks at one or more of surface 737 and 739 place Note.
One or more light sources can be configured to close to one of end 712,713,718,719,728 and 729 or More persons.In some embodiments, light source is configured to close to one of the first end 718 of the second light guide 704 and second end 719 Or both, and light source is configured to close to one or both of the first end 728 of third light guide and second end 729.First Light guide 702 substantially only can receive light from the second light guide 704 and third light guide 705, without from being configured to close to the first light It leads 702 first end 712 and any light source of second end 713 receives light.
Fig. 8 A is the sectional view of light guide assemblies 800A, and light guide assemblies 800A includes the first light guide 802 and the second light guide 804, and including being arranged between the first light guide 802 and the second light guide 804 and being attached to the first light guide 802 and the second light guide 804 optical coupling part 806a.First light guide 802 and the second light guide 804 can have identical or different cross sectional shape and/ Or identical or different area of section.Optical coupling part 806a may be adapted between the first light guide 802 and the second light guide 804 Symmetrically or asymmetrically couple light.In the embodiment illustrated, optical coupling part 806a is symmetrically disposed in the first light guide 802 and second between light guide 804, and optical coupling part 806a has the indeclinable thickness (y on width direction (direction x) Size) it (thickness is constant or substantially invariable) and is symmetrically coupled between the first light guide 802 and the second light guide 804 Light.Optical coupling part 806a can be continuous (for example, the optical coupling part with Fig. 4 on length direction (direction z) 406 is corresponding) or it is discontinuous (for example, the optical component 3066 with Fig. 3 is corresponding).Optical coupling part 806 may include Suitable for preventing optical coupled one or more positions between the first light guide 802 and the second light guide 804 (for example, the position with Fig. 7 It is corresponding to set 733).As described elsewhere herein, one or both of the first light guide 802 and the second light guide 804 may include It is configured to extract the light extractor of light by the side of light guide.
Fig. 8 B is the sectional view of light guide assemblies 800B, and light guide assemblies 800B is corresponding with light guide assemblies 800A, in addition to Through being substituted except optical coupling part 806a with including the optical coupling part 806b of color preference optical filter 895, the face Color selective filter 895 can be any color preference optical filter described elsewhere herein.For example, color preference filters Device 895 can be the polymer or polymeric multilayer optical film of dyeing.
Fig. 9 is the sectional view of light guide assemblies 900, which includes the first light guide 902 and the second light guide 904, and And the light including being arranged between the first light guide 902 and the second light guide 904 and being attached to the first light guide 902 and the second light guide 904 Learn coupling unit 906.First light guide 902 and the second light guide 904 can have identical or different cross sectional shape and/or it is identical or Different areas of section.Optical coupling part 906 is suitable for asymmetrically coupling between the first light guide 902 and the second light guide 904 Light.Optical coupling part 906 has the height (y size) changed with width direction (direction x).Optical coupling part 906 exists It can be continuous (for example, the optical coupling part 406 with Fig. 4 is corresponding) or discontinuous (example on length direction (direction z) Such as, corresponding with the optical component of Fig. 3 306).Optical coupling part 906 may include being suitable for preventing the first light guide 902 and second Optical coupled one or more positions (for example, the position 733 with Fig. 7 is corresponding) between light guide 904.As the other places this paper are retouched It states, one or both of the first light guide 902 and the second light guide 904 may include being configured to extract by the side of light guide The light extractor of light.
Figure 10 is the top view of light guide assemblies 1000, which includes the first light guide 1002 and the second light guide 1004, and including being arranged between the first light guide 1002 and the second light guide 1004 and being attached to the first light guide 1002 and the second light Lead 1004 optical coupling part 1006.First light guide 1002 and the second light guide 1004 can have identical or different section shape Shape and/or identical or different area of section.Optical coupling part 1006 is suitable in the first light guide 1002 and the second light guide 1004 Between asymmetrically couple light.Optical coupling part 1006 includes part 1007 spaced apart, is had with width direction (x Direction) variation length (z-dimension).Part 1007 spaced apart has height (y size), this highly can be constant (example Such as, corresponding with the optical coupling part of Fig. 8 806) or can change on width direction (direction x) (for example, with Fig. 9's Optical coupling part 906 is corresponding).Optical coupling part 1006 is discontinuous on length direction (direction z), and including Suitable for preventing the optical coupled position 1033 between the first light guide 1002 and the second light guide 1004.As described elsewhere herein, One or both of first light guide 1002 and the second light guide 1004 may include being configured to extract light by the side of light guide Light extractor.
Figure 11 is the sectional view of light guide assemblies 1100, which includes the first light guide 1102 and the second light guide 1104, and including being arranged between the first light guide 1102 and the second light guide 1104 and being attached to the first light guide 1102 and the second light Lead 1104 optical coupling part 1106.First light guide 1102 and the second light guide 1104 are with different cross sectional shapes and/or not Same area of section.It, can light corresponding with any optical coupling part described elsewhere herein as described elsewhere herein Learning coupling unit 1106 may be adapted to symmetrically or asymmetrically couple light between the first light guide 1102 and the second light guide 1104. First light guide 1102 has round or generally circular section, and the second light guide has rectangle or substantially rectangular section, It is the section of square or basic square in the embodiment illustrated.For the first light guide 1102 and/or the second light guide 1104, other cross sectional shapes can be replacement.As described elsewhere herein, in the first light guide 102 and the second light guide 1104 One or both may include the light extractor for being configured to extract light by the side of light guide.
Figure 12 is the sectional view of light guide assemblies 1200, which includes the first light guide 1202 and the second light guide 1204, and including being arranged between the first light guide 1202 and the second light guide 1204 and being attached to the first light guide 1202 and the second light Lead 1204 optical coupling part 1206.It can be such as U.S. Patent number 8,684,578 (Rudek et al.) and 8,459,854 One or both of manufacture first light guide 1202 and the second light guide 1204 for being generally described in (Rudek et al.).It is optical coupled Component 1206 is suitable for coupling light between the first light guide 1202 and the second light guide 1204.First light guide 1202 includes curved side 1252, the first engagement sides 1256 of opposite flattened side 1254 and connection curved side 1252 and flattened side 1254 With the second engagement sides 1257.Second light guide 1204 includes bending light exit side face 1262, light guide sides 1264, shown It is flat in embodiment and the first engagement sides 1266 and the of connection curved side 1262 and light guide sides 1264 Two engagement sides 1267.Can and the corresponding optical coupling part 1206 of any optical coupling part described elsewhere herein be attached To flattened side 1254 and it is attached to engagement sides 1267.Second light guide 1204 includes mentioning with any light described elsewhere herein The corresponding light extractor 1208 of device is taken, is configured to through the bending light exit side face 1262 of the second light guide 1204 from light guide Component 1200 extracts light.
Light extractor may include the multiple recesses arranged along lightguide length.Recess can have any suitable distribution And it can be equally distributed or uneven distribution.In some embodiments, recess is with two tuples of recess or three Tuple or four-tuple are arranged, wherein there is uniform spacing between two tuples or triple or four-tuple.This is in Figure 13 In show, which shows the top surface of light guide 1304, the light guide 1304 with length L and have light extractor 1308, should Light extractor 1308 includes multiple triples 1378 of recess 1379, wherein having regular pitches P between neighbouring triple And such as there is gap g between the neighbouring recess in triple.Recess 1379 has width W.
In some embodiments, the light directing article of this specification includes:First light guide, the second light guide and setting exist Between first light guide and the second light guide and it is attached to the first light guide and the second light guide and is suitable in the first light guide and the second light guide Between couple light optical coupling part.Light directing article can satisfy the following conditions any combination or any one or more Or all:(I) the first light guide, the second light guide and optical coupling part extend at least part along article length of product Region on it is coextensive, and one in the first light guide and the second light guide include light extractor, light extractor is at least partly Ground is arranged in this region, and light extractor is configured to extract light from product by the side for the light guide for including light extractor; (ii) the first light guide, the second light guide and optical coupling part are common in the length of at least 1cm or at least 3cm or at least 10cm Extend;(iii) optical coupled mainly at least one of following function provided by optical coupling part:In the first light guide Second amplitude of the first amplitude of the first light of middle propagation and the second light propagated in the second light guide;And (iv) optics coupling Closing component includes being suitable for preventing at least one optical coupled position along optical coupling part length.
For example, the light guide assemblies of this specification can be made of optically transparent polymer material or glass.For example, suitable Polymer material include acrylate, such as polymethyl methacrylate (PMMA), polycarbonate and polyurethane.For example, tool The light guide or light guide assemblies for having light extraction features portion can be manufactured by injection-molded.Alternatively, shape first can be passed through At no light extraction features portion light guide or light guide assemblies and then by subsequent processing steps create light extraction features portion come Manufacture light guide or light guide assemblies.For example, the light guide or light guide assemblies of not light extractor can be formed by squeezing out or moulding. For example, may then pass through etching, laser ablation or embossing to form light extractor.Before forming light extraction structures or it Afterwards, clad optionally can be added to light guide or light guide assemblies.Covering material, which can be, has folding more lower than light guide core Penetrate any material of rate.As it is used herein, unless otherwise indicated, refractive index refers under the wavelength (sodium D-line) of 589nm really Fixed refractive index.For example, the suitable material for clad includes fluoropolymer.In some embodiments, packet is not added Coating.In some embodiments, it is initially formed individual light guide, and is then attached at light guide by optical coupling part Together.In other embodiments, the first light guide and the second light guide and optical coupling part are extruded to form light guide simultaneously Component.In some embodiments, light guide assemblies are monoblock types.
Embodiment
Embodiment 1-5 and comparative example C1-C2
Light guide assemblies as shown in Figure 1 are modeled.First light guide 102 and the second light guide 104 respectively are modeled as having There is the circular light guide of 1.49 refractive index, the length of the radius of 2.5mm and 1.2m.For embodiment 1-5, by optical coupling part 106 are modeled as the refractive index with 1.49 and are respectively provided with the rectangular member of the thickness of 4mm, 3mm, 2mm, 1mm and 0.5mm.Make With the light source for being modeled as that there is the photoemissive light emitting diode of lambert (LED), light is injected to the opposite end of the first light guide 102 In.The diffusion that light extractor 108 is modeled as the Lambertian reflection that there is reflectivity to be 100% and covered with 18 degree of angle Item.
In order to compare, for comparative example C1 and C2, also modeled the length with 1.2m and be respectively provided with 2.5mm and The independent circular light guide of the radius of 3.54mm.Light extractor is modeled as in embodiment 1-5, for either way It is covered with 18 degree of angles.Use with the photoemissive LED of lambert as the light source of the opposite end for light to be injected to light guide.
The uniformity of the light of extraction is simulated using optical modeling.Detector is directly placed at the lower section of the second light guide 104 To receive the light extracted.It is shown in FIG. 14 as a result, it along light guide assemblies length is single with mm that it is opposite, which to show brightness, by the Figure 14 The position of position, wherein zero corresponds to the center along length.As can be seen from Figure 14, with comparative example C1 or C2 phase Than the uniformity in embodiment 1-5 each is all enhanced.
Embodiment 6 and comparative example C3
Light guide assemblies as shown in figure 12 are constructed using two mushroom sticks with the bending part that diameter is 7mm (embodiment 6).The stick (is purchased from the Ying Chuan functional material limited liability company (Evonik in Essen, Germany city by PMMA Performance Materials GnbH) POQ66) extrude be made and with 1.49 refractive index.Such as Figure 13 institute Show, light extractor 1208 includes multiple recess triples, and wherein the pitch P between triple is recessed in 9mm and triple Spacing g between mouthful is 1.5mm.Recess has width W, about 100 degree of angle and about 129 microns of the depth of 2.6mm. Recess is formed by laser ablation.Using the optically transparent adhesive extended along two lightguide lengths by the first light guide 1202 and second light guide 1204 be attached together, the optically transparent adhesive have 1.47-1.49 refractive index, about 10 mils The thickness of (250 microns) and the width of about 1mm.Optically transparent adhesive forms optical coupling part 1206.Light guide assemblies Length L be about 1.2m.
(the Ou Silang optoelectronic semiconductor limited liability company (OSRAM of Regensburg, Germany is purchased from using two LED Opto Semiconductors GmbH) OSRAM CN5M) will light inject the first light guide 1202 opposite end in.In order to carry out Compare (comparative example C3), light is also injected into single light guide corresponding with the second light guide 1204 using two OSRAM CN5M LED Opposite end in.For embodiment 6 and comparative example C3, the uniformity for the light output for passing through bending light exit side face 1262 is determined simultaneously And the uniformity is shown in FIG. 15, which is shown as the position as unit of mm along light directing article length (from system The end (0mm) of product arrive center (600mm)) function brightness.In Figure 15 it can be seen that compared with comparative example C3, Embodiment 6 provides improved brightness uniformity.Since recess is normalized to maximum for both embodiment 6 and comparative example C3 The brightness of value 100 shows the higher-order of oscillation.
The following are the lists of the exemplary implementation scheme of this specification.
Embodiment 1 is a kind of product, and the product includes:First light guide, the second light guide and setting are described first Between light guide and second light guide and it is attached to first light guide and second light guide and is suitable in first light The optical coupling part that light is coupled between second light guide is led, wherein first light guide, second light guide and described Optical coupling part is coextensive on the region that at least part along the article length of the product extends, and Wherein one of first light guide and second light guide include the first light extractor, first light extractor at least portion In this region, first light extractor is configured to through first light guide or second light guide for point ground setting Light is extracted from the product in side.
Embodiment 2 is product described in embodiment 1, wherein first light extractor includes opening multiple discrete intervals Light extraction features portion, and at least one of described light extraction features portion setting in this region.
Embodiment 3 is product described in embodiment 1, wherein the region extends in at least length of 1cm.
Embodiment 4 is product described in embodiment 1, wherein the region extends in at least length of 3cm.
Embodiment 5 is product described in embodiment 1, wherein the region extends over a length of at least 10 cm.
Embodiment 6 is product described in embodiment 1, wherein the optical coupling part provide first light guide and It is optical coupled between second light guide, optical coupled mainly at least one of following function:Described Second amplitude of the first amplitude of the first light propagated in one light guide and the second light propagated in second light guide.
Embodiment 7 is product described in embodiment 1, wherein the optical coupling part includes along the optics coupling Conjunction part length is suitable for preventing at least one optical coupled position.
Embodiment 8 is product described in embodiment 1, wherein the optical coupling part is continuous over the region 's.
Embodiment 9 is product described in embodiment 1, wherein the optical coupling part is not connect over the region Continuous.
Embodiment 10 is a kind of product, and the product includes:First light guide, the second light guide and setting are described the Between one light guide and second light guide and it is attached to first light guide and second light guide and is suitable for described first The optical coupling part that light is coupled between light guide and second light guide, wherein first light guide, second light guide and institute It is coextensive in at least length of 1cm to state optical coupling part.
Embodiment 11 is product described in embodiment 10, wherein in first light guide and second light guide extremely Few one includes being configured to extract the first of light from the product by the side of first light guide or second light guide Light extractor.
Embodiment 12 is product described in embodiment 11, wherein first light extractor includes multiple discrete intervals The light extraction features portion opened.
Embodiment 13 is product described in embodiment 12, wherein at least one of described light extraction features portion is arranged In the coextensive region of wherein described first light guide, second light guide and the optical coupling part of the product.
Embodiment 14 is product described in embodiment 11, wherein at least part of first light extractor is arranged In the coextensive region of wherein described first light guide, second light guide and the optical coupling part of the product.
Embodiment 15 is product described in embodiment 10, wherein first light guide, second light guide and described Optical coupling part is coextensive in at least length of 3cm.
Embodiment 16 is product described in embodiment 10, wherein first light guide, second light guide and described Optical coupling part is coextensive over a length of at least 10 cm.
Embodiment 17 is product described in embodiment 10, wherein the optical coupling part provides first light guide It is optical coupled between second light guide, optical coupled mainly at least one of following function:Described Second amplitude of the first amplitude of the first light propagated in the first light guide and the second light propagated in second light guide.
Embodiment 18 is product described in embodiment 10, wherein the optical coupling part includes along the optics Coupling unit length is suitable for preventing at least one optical coupled position.
Embodiment 19 is product described in embodiment 10, wherein the optical coupling part is in at least length of 1cm On be continuous.
Embodiment 20 is product described in embodiment 10, wherein the optical coupling part is in at least length of 1cm On be discontinuous.
Embodiment 21 is a kind of product, and the product includes:First light guide, the second light guide and setting are described first Between light guide and second light guide and it is attached to the optical coupling part of first light guide and second light guide, wherein institute It states and prolongs jointly at least part of the length of the first light guide, second light guide and the optical coupling part in the product It stretches, wherein one of first light guide and second light guide include being configured to through first light guide or described the The side of two light guides extracts the first light extractor of light from the product, and wherein the optical coupling part is suitable for optics coupling Close first light guide and second light guide, optical coupled mainly at least one of following function:Described Second amplitude of the first amplitude of the first light propagated in the first light guide and the second light propagated in second light guide.
Embodiment 22 is product described in embodiment 21, wherein first light guide, second light guide and described Optical coupling part is coextensive in at least length of 1cm.
Embodiment 23 is product described in embodiment 21, wherein first light guide, second light guide and described Optical coupling part is coextensive in at least length of 3cm.
Embodiment 24 is product described in embodiment 21, wherein first light guide, second light guide and described Optical coupling part is coextensive over a length of at least 10 cm.
Embodiment 25 is product described in embodiment 21, wherein first light extractor is at least partially disposed on In wherein described first light guide of the product, second light guide and the coextensive region of the optical coupling part.
Embodiment 26 is product described in embodiment 25, wherein first light extractor includes multiple spaced apart Light extraction features portion, and the setting of at least one of described light extraction features portion is in this region.
Embodiment 27 is product described in embodiment 21, wherein the optical coupling part includes along the optics Coupling unit length is suitable for preventing at least one optical coupled position.
Embodiment 28 is product described in embodiment 21, wherein the optical coupling part the product wherein It is continuous on first light guide, second light guide and the coextensive region of the optical coupling part.
Embodiment 29 is product described in embodiment 21, wherein the optical coupling part the product wherein It is discontinuous on first light guide, second light guide and the coextensive region of the optical coupling part.
Embodiment 30 is product described in embodiment 21, wherein it is described it is optical coupled be at least one of following Function:The first phase for the first light propagated in first light guide and the second light propagated in second light guide Second phase.
Embodiment 31 is product described in embodiment 21, optical coupled is substantially independent of following two wherein described Person:The of the first phase for the first light propagated in first light guide and the second light propagated in second light guide Two phase.
Embodiment 32 is a kind of product, and the product includes:First light guide, the second light guide and setting are described the Between one light guide and second light guide and it is attached to the optical coupling part of first light guide and second light guide, wherein It is common at least part of the length of first light guide, second light guide and the optical coupling part in the product Extend, wherein one of first light guide and second light guide include being configured to through first light guide or described The side of second light guide extracts the first light extractor of light from the product, and wherein the optical coupling part is suitable for optics First light guide and second light guide are coupled, the optical coupling part has along the optical coupling part length Suitable for preventing at least one optical coupled position.
Embodiment 33 is product described in embodiment 32, wherein first light guide, second light guide and described Optical coupling part is coextensive in at least length of 1cm.
Embodiment 34 is product described in embodiment 32, wherein first light guide, second light guide and described Optical coupling part is coextensive in at least length of 3cm.
Embodiment 35 is product described in embodiment 32, wherein first light guide, second light guide and described Optical coupling part is coextensive over a length of at least 10 cm.
Embodiment 36 is product described in embodiment 32, wherein first light extractor is at least partially disposed on In wherein described first light guide of the product, second light guide and the coextensive region of the optical coupling part.
Embodiment 37 is product described in embodiment 36, wherein first light extractor includes multiple spaced apart Light extraction features portion, and the setting of at least one of described features is in this region.
Embodiment 38 is product described in embodiment 32, wherein the optical coupling part includes along the optics Coupling unit length is suitable for preventing at least one optical coupled position.
Embodiment 39 is product described in embodiment 32, wherein the optical coupling part the product wherein It is continuous on first light guide, second light guide and the coextensive region of the optical coupling part.
Embodiment 40 is product described in embodiment 32, wherein the optical coupling part the product wherein It is discontinuous on first light guide, second light guide and the coextensive region of the optical coupling part.
Embodiment 41 is a kind of product, and the product includes:First light guide, the second light guide and setting are described the Between one light guide and second light guide and it is attached to first light guide and second light guide and is suitable for described first The optical coupling part that light is coupled between light guide and second light guide, wherein first light guide, second light guide and institute It is coextensive on the region that at least part along the article length of the product extends to state optical coupling part,
Wherein one of first light guide and second light guide include the first light extractor, first light extraction Device is at least partially disposed in the region, and first light extractor is configured to through first light guide or described Light is extracted from the product in the side of two light guides,
Wherein first light guide, second light guide and the optical coupling part are common in at least length of 1cm Extend, and
Wherein the optical coupling part provides optical coupled, described optical coupled mainly at least one of following Function:First amplitude of the first light propagated in first light guide and the second light propagated in second light guide Second amplitude.
Embodiment 42 is product described in embodiment 41, wherein the optical coupling part has along the optics Coupling unit length is suitable for preventing at least one optical coupled position.
Embodiment 43 is product described in any one of embodiment 1 to 42, wherein first light guide and described Two light guides are coextensive in the basic whole length of the product.
Embodiment 44 is product described in any one of embodiment 1 to 42, wherein first light guide, described second Light guide and the optical coupling part are coextensive in at least half of the whole length of the product.
Embodiment 45 is product described in any one of embodiment 1 to 42, wherein first light guide, described second Light guide and the optical coupling part are coextensive in the basic whole length of the product.
Embodiment 46 is product described in any one of embodiment 1,11,21,32 or 41, wherein first light mentions It is substantially continuous for taking device.
Embodiment 47 is product described in any one of embodiment 1,11,21,32 or 41, wherein first light mentions It is discontinuous for taking device.
Embodiment 48 is product described in any one of embodiment 1,11,21,32 or 41, wherein first light mentions Device is taken to be suitable for illuminating one or more labels at the surface of first light guide or second light guide.
Embodiment 49 is product described in embodiment 48, wherein the surface is flat.
Embodiment 50 is product described in any one of embodiment 1,11,21,32 or 41, wherein mentioning from the product The light taken has substantially homogeneous intensity in at least half or whole length of the product.
Embodiment 51 is product described in any one of embodiment 1,11,21,32 or 41, wherein first light guide Including first light extractor and the side.
Embodiment 52 is product described in any one of embodiment 1,11,21,32 or 41, wherein second light guide Including first light extractor and the side.
Embodiment 53 is product described in any one of embodiment 1,11,21,32 or 41, wherein first light guide Including first light extractor and second light guide includes the second light extractor.
Embodiment 54 is product described in any one of embodiment 1 to 42, wherein the optical coupling part is suitable for Light is asymmetrically coupled between first light guide and second light guide.
Embodiment 55 is product described in embodiment 54, wherein at least part of the optical coupling part has The height or length changed in the width direction of the product.
Embodiment 56 is product described in embodiment 55, wherein the optical coupling part has along the optics The height that the basic whole length of coupling unit changes in the width direction of the product.
Embodiment 57 is product described in any one of embodiment 1 to 42, wherein the optical coupling part has Along the basic whole length of the optical coupling part in the width direction of the product substantially invariable height.
Embodiment 58 is product described in any one of embodiment 1 to 42, further includes neighbouring second light guide And it is basically parallel to the third light guide of first light guide and second light guide.
Embodiment 59 is product described in embodiment 58, further includes being arranged in second light guide and the third Between light guide and it is attached to the second optical coupling part of second light guide and the third light guide, wherein second light It leads, the third light guide and second optical coupling part prolong jointly at least part of the length of second light guide It stretches.
Embodiment 60 is product described in any one of embodiment 1 to 42, further includes being configured to close to described The first end of first light guide and it is configured to inject light the light source in the first end of first light guide.
Embodiment 61 is product described in embodiment 60, further includes being configured to close to second light guide One end and it is configured to inject light the second light source in the first end of second light guide.
Embodiment 62 is product described in embodiment 61, wherein the first light source, which is configured to generate, has first The light of color, and the second light source is configured to generate the light with the second color.
Embodiment 63 is product described in embodiment 62, wherein first color and second color are identical 's.
Embodiment 64 is product described in embodiment 63, wherein first color and second color are white 's.
Embodiment 65 is product described in embodiment 62, wherein first color and second color are different 's.
Embodiment 66 is product described in any one of embodiment 1 to 42, wherein first light guide and described One of two light guides have almost circular section, and the other of first light guide and second light guide have Generally rectangular section.
Embodiment 67 is product described in any one of embodiment 1 to 42, wherein first light guide and described Two light guides all have almost circular section.
Embodiment 68 is product described in any one of embodiment 1 to 42, wherein first light guide and described Two light guides all have essentially identical shape.
Embodiment 69 is product described in any one of embodiment 1 to 42, wherein first light guide has first Section, and second light guide has the second essentially identical section.
Embodiment 70 is product described in any one of embodiment 1 to 42, wherein first light guide has first Section, and second light guide has second section different from first section.
Embodiment 71 is product described in any one of embodiment 1 to 42, wherein first light guide and described At least one of two light guides have curved side and opposite flattened side, wherein the optical coupling part be attached to it is described Flattened side.
Embodiment 72 is product described in any one of embodiment 1 to 42, wherein first light guide and described At least one of two light guides have bending light exit side face, flat smooth guide sides and connect the light exit side face To the engagement sides of the smooth guide sides, wherein the optical coupling part is attached to the engagement sides.
Embodiment 73 is product described in any one of embodiment 1 to 42, wherein the optical coupling part includes face Color selective filter.
Embodiment 74 is product described in embodiment 73, wherein the color preference optical filter includes dyeing polymerization Object.
Embodiment 75 is product described in embodiment 73, wherein the color filter includes Polymeric multilayer optical Film.
Unless otherwise specified, the description for element in figure should be understood to apply equally to the correspondence in other figures Element.Although specific embodiment has had been illustrated and described herein, those skilled in the art be will be appreciated that, Shown by it without departing from the scope of this disclosure, can be replaced with a variety of substitutions and/or equivalent form specific implementations With described specific embodiment.Present patent application be intended to cover specific embodiment discussed in this article any adjustment or Modification.Therefore, the disclosure is intended to only be limited by claim and its equivalent form.

Claims (7)

1. a kind of product, the product include:First light guide, the second light guide and setting are in first light guide and described the Between two light guides and it is attached to first light guide and second light guide and is suitable in first light guide and described second The optical coupling part that light is coupled between light guide, wherein first light guide, second light guide and the optical coupling part It is coextensive on the region that the product extends along at least part of the article length, and wherein described first Multiple light extraction features portions that one of light guide and second light guide are opened including discrete interval, and the light extraction features At least one of portion is arranged in this region, and the light extraction features portion is configured to through first light guide or described Light is extracted from the product in the side of second light guide, wherein the optical coupling part provides first light guide and described second It is optical coupled between light guide, optical coupled mainly at least one of following function:In first light guide First amplitude of the first light propagated and the second amplitude of the second light propagated in second light guide, and it is wherein described Optical coupling part includes being suitable for preventing at least one optical coupled position along the optical coupling part length.
2. product according to claim 1, wherein the region extends in at least length of 1cm.
3. a kind of product, the product include:First light guide, the second light guide and setting are in first light guide and described the Between two light guides and it is attached to first light guide and second light guide and is suitable in first light guide and described second The optical coupling part that light is coupled between light guide, wherein first light guide, second light guide and the optical coupling part It is coextensive in at least length of 1cm, wherein at least one of first light guide and second light guide include being matched It is set to the first light extractor for extracting light from the product by the side of first light guide or second light guide, wherein institute Wherein described first light guide of the product, second light guide and described is arranged in at least part for stating the first light extractor In the coextensive region of optical coupling part, and wherein the optical coupling part provides first light guide and described the It is optical coupled between two light guides, optical coupled mainly at least one of following function:In first light guide Second amplitude of the first amplitude of the first light of middle propagation and the second light propagated in second light guide.
4. a kind of product, the product include:First light guide, the second light guide and setting are in first light guide and described the Between two light guides and it is attached to the optical coupling part of first light guide and second light guide, wherein first light guide, It is coextensive at least part of the length of second light guide and the optical coupling part in the product, wherein described One of first light guide and second light guide include the side being configured to through first light guide or second light guide The first light extractor of light is extracted in face from the product, and wherein the optical coupling part is suitable for optical coupled described first Light guide and second light guide, optical coupled mainly at least one of following function:In first light guide First amplitude of the first light propagated and the second amplitude of the second light propagated in second light guide, wherein described first Light extractor is at least partially disposed on wherein described first light guide of the product, second light guide and described optical coupled In the coextensive region of component.
5. a kind of product, the product include:First light guide, the second light guide and setting are in first light guide and described the Between two light guides and it is attached to the optical coupling part of first light guide and second light guide, wherein first light guide, It is coextensive at least part of the length of second light guide and the optical coupling part in the product, wherein described One of first light guide and second light guide include the side being configured to through first light guide or second light guide The first light extractor of light is extracted in face from the product, and wherein the optical coupling part is suitable for optical coupled described first Light guide and second light guide, the optical coupling part has to be suitable for preventing optics along the optical coupling part length At least one position of coupling, wherein first light extractor is at least partially disposed on wherein described the first of the product In light guide, second light guide and the coextensive region of the optical coupling part.
6. product according to claim 5, wherein first light guide, second light guide and the optical coupled portion Part is coextensive in at least length of 1cm.
7. a kind of product, the product include:First light guide, the second light guide and setting are in first light guide and described the Between two light guides and it is attached to first light guide and second light guide and is suitable in first light guide and described second The optical coupling part that light is coupled between light guide, wherein first light guide, second light guide and the optical coupling part It is coextensive on the region that at least part along the article length of the product extends,
Wherein one of first light guide and second light guide include the first light extractor, and first light extractor is extremely Partially it is arranged in this region, first light extractor is configured to through first light guide or second light Light is extracted from the product in the side led,
Wherein first light guide, second light guide and the optical coupling part are coextensive in at least length of 1cm, And
Wherein the optical coupling part provides optical coupled, optical coupled mainly at least one of following letter Number:The of first amplitude of the first light propagated in first light guide and the second light propagated in second light guide Two amplitudes.
CN201690001076.9U 2015-08-07 2016-07-27 Light guide assemblies Active CN208107968U (en)

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US201562202373P 2015-08-07 2015-08-07
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