CN105782906A - Light guide pipe and indoor and in-car illumination system integrated with light guide pipe - Google Patents
Light guide pipe and indoor and in-car illumination system integrated with light guide pipe Download PDFInfo
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- CN105782906A CN105782906A CN201410785619.8A CN201410785619A CN105782906A CN 105782906 A CN105782906 A CN 105782906A CN 201410785619 A CN201410785619 A CN 201410785619A CN 105782906 A CN105782906 A CN 105782906A
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Abstract
The invention provides a light guide pipe. The light guide pipe comprises a light input end, a light guide pipe body, a light guiding face and a light output face. The light guide pipe body has the basically constant thickness and width in the length direction of the light guide pipe body. The light input end is one of two tail ends, in the length direction, of the light guide pipe body, and a light source is arranged close to the light input end. The light guiding face serves as one main outer surface of the light guide pipe body, and the light output face serves as the other main outer surface of the light guide pipe body and is opposite to the light guiding face. The light guiding face is smooth. A plurality of hollow three-dimensional light extraction structures are arranged in the light guide pipe body and are close to the light output face.
Description
Technical field
It relates to lighting technical field.More specifically, it relates to light guide shines
Bright technical field.
Background technology
Light guide illumination is a kind of special lighting engineering, and people utilize the illuminating effect that light guide controls light to have the history of many decades.A piece light guide is generally made up of transparent or semitransparent material.It is known that, when light is propagated in the refractive index material higher than air and incides the interface of this material and air, if the angle of light and light guide inner surface is less than some critical angle, then light will be reflected back toward inside light guide, and angle of reflection is identical with angle of incidence.Therefore, in theory, as long as light pipe arrangement is reasonable and the incident angle of light is within a scope, can both there is entirely to launch and be transferred to the other end of light guide in the light of all entrance light guides.
But, if the artificial total reflection condition destroying light, such as change material behavior or the structure of light guide, then light just will escape out tube wall before being transferred to the other end of light guide so that light guide itself becomes a luminous body.By rational structural design, it is possible to control to go out the intensity of light in the various location of light guide, it is achieved the illuminating effect of uniform or particular design.Here it is the ultimate principle of light guide lighting engineering.Such as, US Patent No. 6,836,661 discloses a kind of wedge-shaped light guide device.This light guide has the cross section of different area along light conducting direction.Usually, the area of section near light source place is relatively big, and the area of section away from light source place is less.So, some light cannot meet total reflection condition all the time when transmitting in light guide, and this some light refraction will occur and final from the outgoing of light guide side at light guide inwall.By designing the cross-sectional sizes of different light guide various location, it is possible to achieve relatively uniform goes out light or special illuminating effect.
US Patent No. 6,347,874 discloses a kind of light ejector with jut.This device also has wedge structure.Meanwhile, it also has substantially relative with a light output surface light-redirecting structure surface.This light-redirecting structure surface includes many trickle juts, these fine protrusions structures are with light guide surface at an angle, when light transmits in light guide and incides these prominences, owing to being unsatisfactory for total reflection condition, a part of light will from the outgoing of light-redirecting structure surface；Another part light will be reflected back toward light guide, this some light is owing to have passed through turning to of the fine protrusions structure on light-redirecting structure surface, total reflection condition will be unsatisfactory for when propagating to light output surface and from light output surface outgoing, and then reach specific illuminating effect.
Summary of the invention
According to an aspect of this disclosure, it is provided that a kind of light guide, this light guide includes: light input end；Light guide body, this light guide body has substantially invariable thickness and width in its longitudinal direction；Light directing face；And light gasing surface；This light input end is one of in two ends on the length direction of this light guide body, and this light input end is provided with light source；This light directing face is a main outer surface of this light guide body, and another main outer surface that this light gasing surface is this light guide body, and relative with this light directing face；Wherein this light directing face is smooth, and the three-dimensional light extraction structures of multiple hollows is arranged on this light guide, and this is internal, and closes on this light gasing surface.
According to another aspect of the disclosure, it is provided that a kind of interior lighting system, this interior lighting system is integrated with the light guide according to the disclosure.
Another aspect according to the disclosure, it is provided that a kind of room light system, this room light system integration light guide according to the disclosure.
Light guide according to the disclosure has smooth surface, it is easy to production and processing and installation are fixing.Additionally, due to the shape of light extraction structures that can optimize according to actual needs in the light guide of the design disclosure, size and distribution, thus light extraction efficiency and the distribution of light guide can be controlled, reach desirable light-out effect.
Accompanying drawing explanation
Fig. 1 is the principle schematic of the light pipe system according to the disclosure；
Fig. 2 is the schematic diagram of a kind of light pipe system according to the disclosure；
Fig. 3 is the schematic diagram of the another kind of light pipe system according to the disclosure；
Fig. 4 is the schematic diagram of another light pipe system according to the disclosure；
Fig. 5 is the schematic diagram of the another kind of light pipe system according to the disclosure；
Fig. 6 is the schematic diagram of indoor or the room light system being integrated with the light guide according to the disclosure.
These accompanying drawings are not drawn necessarily to scale.The like reference numerals used in these accompanying drawings refers to similar parts.It is not intended to limit with the parts of same reference numerals mark in another accompanying drawing it will be understood, however, that use accompanying drawing labelling to refer to the parts in given accompanying drawing.
Detailed description of the invention
Below with reference to the drawings and specific embodiments, the present invention is described in further detail.It will be appreciated that, it is contemplated that other embodiments, and without departing from the scope of the present disclosure or spirit, it is possible to implement these other embodiments.Therefore, the following detailed description is nonrestrictive.
Unless otherwise, in all scenario, all numerals in order to expression characteristic size, quantity and physical property used in description and claims will be understood as modifies by term " about ".Therefore, unless the contrary indication, the digital parameters provided in specification and appended is the ideal characterisitics and the approximation that changes that the instruction disclosed in the disclosure can be utilized to try hard to obtain according to those skilled in the art.
As used in this specification and the appended claims, " one ", " one " of singulative, " described " comprise the embodiment with multiple referent, unless its content does not obviously carry out this instruction.As used in this specification and the appended claims, it is typically in including use term "or" in the meaning of "and/or", unless its content does not obviously carry out this instruction.
Term with space correlation, include but not limited to " lower section ", " top ", " in ... lower section ", " ... below ", " more than ", " at top ", if used in the disclosure, then describe for convenient, so that the spatial relationship of a key element and another key element to be described.Such term with space correlation comprises except shown in accompanying drawing and except concrete orientation specifically described herein, device in use or operating different azimuth.Such as, if the object shown in accompanying drawing is squeezed or overturns, then it is described as be in below other key elements before or below portion will become in these other key element above or overs.
As used in the present disclosure, such as, if by a key element, parts or layer are described as and another key element, consistent joint is formed between parts or layer, in this another key element, on parts or layer, it is connected to this another key element, parts or layer, with this another key element, parts or layer are coupled, or with this another key element, parts or layer contact, then this key element, parts or layer can be directly in this specific key element, on parts or layer, it is directly connected to this specific key element, parts or layer, directly and this specific key element, parts or layer are coupled, or direct and this specific key element, parts or layer contact.Or, intervenient key element, parts or layer, on this specific key element, parts or layer, being connected to this specific key element, parts or layer, are coupled with this specific key element, parts or layer, or contact with this specific key element, parts or layer.When a key element, parts or layer being called directly in another key element, it is directly connected to another key element, is directly coupled with another key element, or directly contacts with another key element, be then absent from intervenient key element, parts or layer.
At present, just as described above, there are many kinds of light guide lighting engineering.But, these technology all come with some shortcomings.Such as, for wedge-shaped light guide, if its length is long, then its end is likely to attenuate is a featheredge, and this featheredge will be difficult to manufacture or fixing, and likely in use fractures or break.On the other hand, the precision of production and processing is then proposed high requirement by the light guide realizing light-guiding function by forming fine protrusions structure, thus causing that the production cost of light guide rises.
Accordingly, it is desirable to provide a kind of light guide, its structure is relatively simple, it is easy to production and processing, and is easily installed fixing.
On the one hand, present disclose provides a kind of light guide, this light guide includes: light input end；Light guide body, this light guide body has substantially invariable thickness and width in its longitudinal direction；Light directing face；And light gasing surface；This light input end is one of in two ends on the length direction of light guide body, and light input end is provided with light source；Light directing face is an interarea of light guide body, and another interarea that light gasing surface is light guide body, and relative with light directing face；Wherein light directing face is smooth, and the three-dimensional light extraction structures of multiple hollows is arranged on light guide, and this is internal, and closes on light gasing surface.Usually, when the light guide of the disclosure is normally placed, its light directing face and light gasing surface are its two faces opposing upper and lower.
On the whole, the light guide of the disclosure can strip linearly, it is also possible in the strip of bending.But, both shapes are only two nonrestrictive examples.Those of ordinary skill in the art are it will be understood that without departing from the spirit and scope of the disclosure, the cast body in its longitudinal direction with essentially identical regular geometric shapes vertical section all can as the light guide of the disclosure.Herein, " vertical section " of light guide refers to the cross section intercepting this light guide gained with the perpendicular of the length direction being perpendicular to light guide.Such as, as nonrestrictive example, this vertical section of the light guide of the disclosure has rectangle, positive direction, circle, ellipse, mushroom-shaped or the geometry such as trapezoidal.
In the disclosure, the thickness of light guide refers to, when intercepting this light guide with the perpendicular being perpendicular to its length direction, occupy the maximum vertical distance between 2 of the upper and lower both sides of vertical section of gained respectively；The width of light guide refers to, occupy the maximum horizontal range between 2 of the left and right sides, theaforesaid vertical cross section respectively.When light guide is in the strip of bending, for avoiding the corner light leakage at this light guide too much, the bending radius (i.e. its radius of curvature) of this light guide should be greater than 10: 1 with the ratio of its thickness.
This light guide can by many kinds are transparent or semitransparent, material that optical property is suitable makes.These materials include Merlon (PC), polyacrylate (such as polymetylmethacrylate), polystyrene (PPE), glass and other there are the plastics of high index of refraction.
For avoiding unnecessary optical scattering, the whole outer surface of the light guide of the disclosure need to through optical polish.Know the detail of optical polish owing to those of ordinary skill in the art are generally individually, the disclosure does not repeat them here.
In the disclosure, the light directing face of light guide is " smooth ", refers to that the roughness in this light directing face meets requirement light being totally reflected and leading.Know the detail in this type of light directing face owing to those of ordinary skill in the art are generally individually, the disclosure does not repeat them here.
Except the above, another important aspect of the light guide of the disclosure is in that its light extraction structures comprised.In the disclosure, the multiple light extraction structures included by light guide are positioned at light guide body interior.These light extraction structures have hollow or are called hollow 3-D solid structure, and namely in these light extraction structures, the propagation medium of light is air.
In the disclosure, the three-dimensional light extraction structures of each hollow is in two the side upper sheds being different from its light directing face and light gasing surface of light guide, but not in its light directing face and/or light gasing surface upper shed.This actually means that, on the length direction of light guide, only exists the three-dimensional light extraction structures of string hollow.In other words, on each vertical section being perpendicular to its length direction of light guide, there is at most the cross section of a light extraction structures.And, the three-dimensional light extraction structures of these hollows is in the intrinsic degree of depth of light guide, i.e. distance between the face nearest from light gasing surface of these light extraction structures and light gasing surface, less than the 20% of the vertical size (i.e. the thickness of light guide) being perpendicular to its length direction of light guide.But, on the other hand, this degree of depth is generally higher than 1mm.This is because, when this degree of depth is less than 1mm, the light extraction structures of light guide and inside thereof will become prone to be destroyed by external force.Preferably, this degree of depth is 1mm to 2mm.
Preferably, the three-dimensional light extraction structures of multiple hollows that the light guide of the disclosure includes has well-regulated geometry.Such as, as nonrestrictive example, the three-dimensional light extraction structures of these hollows can adopt the geometries such as common hollow cubic body, hollow cuboid, hollow cylinder, hollow class trapezoid block.In other words, when intercepting with the perpendicular of the length direction being parallel to light guide, the cross section of the three-dimensional light extraction structures of these hollows is square, rectangle, right-angled trapezium or circle；When intercepting with the perpendicular of the length direction being perpendicular to light guide, the cross section of the three-dimensional light extraction structures of these hollows is square, rectangle, circle, ellipse or tetragon.
In different application scenarios, according to the length of light guide and the requirement to illuminating effect, it is possible to the size of hollow three-dimensional light extraction structures, quantity and distribution that light guide of this disclosure includes are adjusted.Such as, those of ordinary skill in the art understand, if illumination uniformity requirements is higher, then need more smaller light extraction structures.Higher in the local light intensity near light source, it is possible to be distributed less light extraction structures, to reduce the light intensity of effusion；Relatively low in the local light intensity away from light source, it is possible to be distributed more light extraction structures, to increase the light intensity of effusion.Additionally, be the inhomogeneities avoiding local lighting, in three-dimensional light extraction structures empty in these, the distance between adjacent light extraction structures is no more than 2 times of they sizes (i.e. the length of themselves) on light pipe length direction.
Additionally, with regard to these hollows three-dimensional light extraction structures itself, according to actual needs, on the vertical direction of length direction being perpendicular to light guide, the size of the three-dimensional light extraction structures of these hollows can be substantially invariable, it is also possible to be change.And, for avoiding the appearance of shade, on the vertical direction of length direction being perpendicular to light guide, the ratio of the size of the three-dimensional light extraction structures of each hollow and the thickness of light guide is between 1: 5 to 1: 50.
Fig. 1 is the principle schematic diagram of the light pipe system according to the disclosure.Specifically, Fig. 1 has illustrated the situation that there is an angle between light entrance face and the light gasing surface 104 of light guide 102 of the light extraction structures 105 in light guide 102.Specifically, if there is an angle β between the light-emitting face 104 of the light entrance face of light extraction structures 105 and light guide 102.If the angle of incidence that light is on the light directing face 103 of light guide 102 is α, according to geometrical relationship, can show that light angle of incidence on the light entrance face of light extraction structures 105 is alpha-beta.Assuming that air refraction is 1, the refractive index of light guide 102 is n, then according to refractive index formula, light refraction angle after the light entrance face of light extraction structures 105 is θ=arcsin [n* (alpha-beta)].In like manner can obtain, light angle of incidence on the light gasing surface 104 of light guideThe expression formula of θ is substituted into, can obtainAnalytical expression.By total reflection theorem it can be seen that work asDuring more than cirtical angle of total reflection arcsin (1/n), light will penetrate from the light gasing surface 104 of light guide 102.Otherwise, it is internal that light will be reflected back toward light guide 102, continue to propagate forward, until next light extraction structures changes its propagation path again.
Above-mentionedAlthough analytical expression in the situation shown in fig. 1 through being derived from, but, those of ordinary skill in the art will be appreciated by, its be equally applicable to those hollow three-dimensional light extraction structures with the light entrance face vertical with the length direction of light guide (as in cuboid, the light extraction structures of square, cylindrical shape), now, angle β=90 degree between light entrance face and the light gasing surface of light guide of these light extraction structures.And, from above-mentionedAnalytical expression it can be seen that whether light can penetrate from light guide, and there is direct relation in the angle β between the light entrance face of light extraction structures and the light gasing surface of light guide.Specifically, this angle β determines one to set a distance (namely from light input end to the distance of this light Exit positions) light ratio of outgoing from light guide.And when light extraction structures is cylindric hollow-core construction, the radius of column structure can affect the ratio of beam projecting equally.
Fig. 2 is the schematic diagram of a kind of light pipe system according to the disclosure.As in figure 2 it is shown, the strip that light guide 202 is linearly, and there is substantially invariable thickness and width along its length.Further, as in figure 2 it is shown, in its longitudinal direction, the vertical section being perpendicular to its length direction of light guide 202 has essentially identical circumferential profile.In this example, the vertical section being perpendicular to its length direction of light guide 202 is specifically square or close square.Light source 201 is positioned at the light input end front of light guide 202.Light guide 202 is by transparent or semitransparent material, and such as polycarbonate, or polymetylmethacrylate is made, and it has smooth light directing face 203 and light gasing surface 204.The basis that the three-dimensional light extraction structures 205 of multiple hollows is positioned at light guide 202 is internal, and is opened on the light directing face 203 that is different from of light guide 202 and two sides of light gasing surface 204.In order to obtain good light extraction effect, each light extraction structures 205 needs less than 20% in the ratio of the vertical direction size (i.e. the thickness of light guide 202) being perpendicular to its length direction that the degree of depth (i.e. distance between its face nearest from light gasing surface 204 and light gasing surface 204) within light guide 202 accounts for light guide 202.However, it is contemplated that need to make light guide 202 and light extraction structures 205 thereof be not easy to be destroyed by external force, this degree of depth generally should be greater than 1mm.Additionally, as in figure 2 it is shown, on the vertical direction of length direction being perpendicular to light guide 202, the size of the plurality of light extraction structures 205 is substantially invariable.But, it will be understood that according to actual needs, on the vertical direction of length direction being perpendicular to light guide 202, the size of these light extraction structures 205 can also be change to those of ordinary skill in the art.These light extraction structures 105 have well-regulated flat rectangular shape.In other words, if intercepting light extraction structures 205 with the perpendicular being parallel to light guide 202 length direction, gained cross sectional shape is rectangle, and intercepts light extraction structures 205 with the perpendicular being perpendicular to light guide 202 length direction, and gained cross sectional shape is also rectangle.
Fig. 3 is the schematic diagram of the another kind of light pipe system according to the disclosure.Referring to Fig. 3, there is shown a kind of cylindrical light guide 302, its vertical section being perpendicular to its length direction is circle.Light source 301 is positioned at the light input end front of light guide 302.Light guide 302 is made up of transparent or semitransparent material, and it has smooth light directing face 303 and light gasing surface 304.The three-dimensional light extraction structures 305 of multiple hollows is positioned at light guide 302, and in the trapezoidal bulk of inverted class.In other words, as it is shown on figure 3, when intercepting light extraction structures 305 with the perpendicular being parallel to light guide 302 length direction, gained cross section is rectangle, when intercepting light extraction structures 305 with the perpendicular being perpendicular to light guide 302 length direction, gained cross section is inverted trapezoidal.And, the three-dimensional light extraction structures 305 of these hollows is opened on the both sides being different from its light directing face 303 and its light gasing surface 304 of light guide 302, and not in light directing face 303 and light gasing surface 304 upper shed.Additionally, as it is shown on figure 3, on the vertical direction of length direction being perpendicular to light guide 302, the size of the plurality of light extraction structures 305 is substantially invariable.But, it will be understood that according to actual needs, on the vertical direction of length direction being perpendicular to light guide 302, the size of these light extraction structures 305 can also be change to those of ordinary skill in the art.
Those of ordinary skill in the art are also it will be understood that the vertical section being perpendicular to its length direction of light guide can also select other shapes.Such as, Fig. 4 is the schematic diagram of another light pipe system according to the disclosure.Specifically, as shown in Figure 4, light guide 402 has a perpendicular to the mushroom-shaped vertical section of its length direction.This mushroom-shaped vertical section of light guide 402 can be regarded as and combined by the bottom on the top and rectangular outer perimeter profile with arc-shaped circumference profile.In practice, there is the light guide of this geometry and be easier to install fixing.In the example shown in fig. 4, light guide 402 is made up of transparent or semitransparent material, and it has smooth light directing face 403 and light gasing surface 404.The three-dimensional light extraction structures 405 of multiple hollows is positioned at light guide 402, and in the trapezoidal bulk of class.In other words, as shown in Figure 4, when intercepting light extraction structures 405 with the perpendicular being parallel to light pipe length direction, gained cross section is at right angles trapezoidal, when intercepting light extraction structures 405 with the perpendicular being perpendicular to light pipe length direction, gained cross section is rectangle.And, the three-dimensional light extraction structures 405 of these hollows is opened on the both sides being different from its light directing face 403 and its light gasing surface 404 of light guide 402, and not in light directing face 403 and light gasing surface 404 upper shed.Additionally, as shown in Figure 4, on the vertical direction of length direction being perpendicular to light guide 402, the size of the plurality of light extraction structures 405 is substantially invariable.But, it will be understood that according to actual needs, on the vertical direction of length direction being perpendicular to light guide 402, the size of these light extraction structures 405 can also be change to those of ordinary skill in the art.
Fig. 5 is the schematic diagram of the another kind of light pipe system according to the disclosure.Referring to Fig. 5, there is shown the light guide 502 of a kind of strip in bending.Light source 501 is positioned at the light input end front of light guide 502.Light guide 502 is made up of transparent or semitransparent material, and it has smooth light directing face 503 and light gasing surface 504.The three-dimensional light extraction structures 505 of multiple hollows is positioned at light guide 502, and in flat rectangular shape.In other words, as it is shown in figure 5, when intercepting light extraction structures 505 with the perpendicular being parallel to light guide 502 length direction, gained cross section is shape rectangle, when intercepting light extraction structures 505 with the perpendicular being perpendicular to light guide 502 length direction, gained cross section is also rectangle.And, the three-dimensional light extraction structures 505 of these hollows is opened on the both sides being different from its light directing face 503 and its light gasing surface 504 of light guide 502, and not in light directing face 503 and light gasing surface 504 upper shed.Additionally, as it is shown in figure 5, on the vertical direction of length direction being perpendicular to light guide 502, the size of the plurality of light extraction structures 505 is substantially invariable.But, it will be understood that according to actual needs, on the vertical direction of length direction being perpendicular to light guide 502, the size of these light extraction structures 505 can also be change to those of ordinary skill in the art.
Those of ordinary skill in the art it will be understood that light extraction structures be not limited to described in the disclosure or illustrate variously-shaped, and the hollow-core construction of any shape can be adopted according to actual needs.Following methods can be taked to form described hollow three-dimensional light extraction structures: lean on the instrument by lathe grinding or other molded surfaces, by molding, embossing, solidification or other modes to can the resin of injection moulding be shaped, this instrument or molded surface are made up of metal or other long life materials, and with the negative replica on desired structure surface.The method manufacturing this molded surface and molding, embossing or solidification light extraction structures is well known to those of ordinary skill in the art.And, use suitable ray trace modeling software, such as BreaultResearchOrganization, Inc. " ASAP ", " TracePro ", the WolframResearch of " CodeV " and " LightTools " of OpticalResearchAssociates product, LambdaResearchCorporation product produced, Inc. " Optica " that produce or FocusSoftware, Inc. softwares such as " ZEMAX " that produce, without building the light extraction structures of reality, so that it may the specific design performance of each light extraction structures is estimated.
On the other hand, it is possible to use the optical property of the light guide of the disclosure is measured and evaluated to Photoelectrical detector.Generally, it is possible to place test screen at the certain position place of the light gasing surface of distance light guide, in test screen, take some sensing points along light guide direction and measure its illumination.The distance of test screen distance light guide can change according to bright applied environment difference.
Various different occasion can will be applied to according to the light guide of the disclosure.For example, it is possible to by among the illuminator that is integrated into according to the light guide of the disclosure in indoor or car.Fig. 6 is the schematic diagram of indoor or the room light system being integrated with the light guide according to the disclosure.As shown in Figure 6, when by when being applied to Che Nei or building interior illumination according to the light guide of the disclosure, it is common to use mode implemented as described below: light guide 601 is positioned at the top on illuminated surface 603.Illuminated surface 603 is usually in car or building inner surface, such as automobile door plate, wall etc..Specifically, light is derived by light extraction structures 602a and the 602b in light guide 601 and outgoing is to illuminated surface 603, forms stronger illuminating effect in 604a and the 604b of region.When distance between light extraction structures 602a and 602b is reasonable, illuminated surface 603 can form illuminating effect continuous, uniform.Those of ordinary skill in the art are it will be understood that the application example shown in Fig. 6 is only a non-limitative example of the concrete application of the light guide according to the disclosure.Light guide according to the disclosure can also otherwise be applied among other illuminators.
The following is some of disclosure embodiments.
Item 1 is a kind of light guide, comprising: light input end；Light guide body, described light guide body has substantially invariable thickness and width in its longitudinal direction；Light directing face；And light gasing surface；Described light input end is one of in two ends on the length direction of described light guide body, and described light input end is provided with light source；Described light directing face is a main outer surface of this light guide body, and another main outer surface that described light gasing surface is described light guide body, and relative with described light directing face；Wherein said light directing face is smooth, and the three-dimensional light extraction structures of multiple hollows is arranged on described light guide, and this is internal, and closes on described light gasing surface.
Item 2 is light guide according to claim 1, wherein the three-dimensional light extraction structures of each described hollow is in two the side upper sheds being different from described light directing face and described light gasing surface of described light guide, but not in described light directing face and/or described light gasing surface upper shed.
Item 3 is the light guide according to item 2, wherein said light guide strip linearly.
Item 4. is the light guide according to item 2, and wherein said light guide is in the strip of bending.
5 is the light guide according to item 4, and the ratio of the bending radius of wherein said light guide and its thickness is more than 10: 1.
Item 6 is the light guide according to any one of item 3 to 5, and wherein said light guide has a perpendicular to the vertical section of the rule of its length direction.
Item 7 is the light guide according to item 6, and wherein said vertical section has rectangle, square, circle, ellipse, mushroom property or trapezoidal geometry.
Item 8 is the light guide according to any one of item 1 to 7, wherein, the three-dimensional light extraction structures of the plurality of hollow is in the intrinsic degree of depth of described light guide, namely the three-dimensional light extraction structures of these hollows is from the distance between the nearest face of described light gasing surface and described light gasing surface, less than the 20% of the vertical direction size being perpendicular to its length direction of described light guide, but more than 1mm.
Item 9 is the light guide according to any one of item 1 to 8, and wherein, the distance between adjacent three-dimensional light extraction structures is less than 2 times of they sizes on light pipe length direction.
Item 10 is the light guide according to any one of item 1 to 9, and wherein, on the vertical direction of length direction being perpendicular to described light guide, the ratio of the size of each described three-dimensional light extraction structures and the thickness of described light guide is between 1: 5 to 1: 50.
Item 11 is the light guide according to any one of item 1 to 10, and wherein, on the vertical direction of length direction being perpendicular to described light guide, the three-dimensional light extraction structures of the plurality of hollow is of a size of constant.
Item 12 is the light guide according to any one of item 1 to 10, and wherein, on the vertical direction of length direction being perpendicular to described light guide, the three-dimensional light extraction structures of the plurality of hollow is of a size of change.
Item 13 is the light guide according to any one of item 1 to 12, wherein, when intercepting with the perpendicular of the length direction being parallel to described light guide, the cross section of the three-dimensional light extraction structures of the plurality of hollow is square, rectangle, right-angled trapezium or circle；When intercepting with the perpendicular of the length direction being perpendicular to described light guide, the cross section of the three-dimensional light extraction structures of the plurality of hollow is square, rectangle, circle, ellipse or tetragon.
The interior lighting system that item 14 is a kind of light guide being integrated with according to any one of item 1 to 13.
The room light system that item 15 is a kind of light guide being integrated with according to any one of item 1 to 13.
Although it has been shown and described that specific embodiment in the disclosure, but those skilled in the art it will be understood that can with various replacements and/or equivalent embodiment replace shown in and described detailed description of the invention, without deviating from the scope of the present disclosure.The application is intended to any improvement or the change that include the detailed description of the invention to discussing in the disclosure.Therefore, the disclosure is limited solely by claim and equivalent thereof.
Claims (15)
1. a light guide, comprising:
Light input end；
Light guide body, described light guide body has substantially invariable thickness and width in its longitudinal direction；
Light directing face；And
Light gasing surface；
Described light input end is one of in two ends on the length direction of described light guide body, and described light input end is provided with light source；
Described light directing face is a main outer surface of this light guide body, and another main outer surface that described light gasing surface is described light guide body, and relative with described light directing face；
Wherein said light directing face is smooth, and the three-dimensional light extraction structures of multiple hollows is arranged on described light guide, and this is internal, and closes on described light gasing surface.
2. light guide according to claim 1, wherein the three-dimensional light extraction structures of each described hollow is in two the side upper sheds being different from described light directing face and described light gasing surface of described light guide, but not in described light directing face and/or described light gasing surface upper shed.
3. light guide according to claim 2, wherein said light guide strip linearly.
4. light guide according to claim 2, wherein said light guide is in the strip of bending.
5. light guide according to claim 4, the ratio of the bending radius of wherein said light guide and its thickness is more than 10: 1.
6. the light guide according to any one of claim 3 to 5, wherein said light guide has a perpendicular to the vertical section of the rule of its length direction.
7. light guide according to claim 6, wherein said vertical section has rectangle, square, circle, ellipse, mushroom-shaped or trapezoidal geometry.
8. light guide according to any one of claim 1 to 7, wherein, the three-dimensional light extraction structures of the plurality of hollow is in the intrinsic degree of depth of described light guide, namely the three-dimensional light extraction structures of these hollows is from the distance between the nearest face of described light gasing surface and described light gasing surface, less than the 20% of the vertical direction size being perpendicular to its length direction of described light guide, but more than 1mm.
9. light guide according to any one of claim 1 to 8, wherein, the distance between adjacent three-dimensional light extraction structures is less than 2 times of they sizes on light pipe length direction.
10. light guide according to any one of claim 1 to 9, wherein, on the vertical direction of length direction being perpendicular to described light guide, the ratio of the size of each described three-dimensional light extraction structures and the thickness of described light guide is between 1: 5 to 1: 50.
11. light guide according to any one of claim 1 to 10, wherein, on the vertical direction of length direction being perpendicular to described light guide, the three-dimensional light extraction structures of the plurality of hollow is of a size of constant.
12. light guide according to any one of claim 1 to 10, wherein, on the vertical direction of length direction being perpendicular to described light guide, the three-dimensional light extraction structures of the plurality of hollow is of a size of change.
13. the light guide according to any one of claim 1 to 12, wherein, when intercepting with the perpendicular of the length direction being parallel to described light guide, the cross section of the three-dimensional light extraction structures of the plurality of hollow is square, rectangle, right-angled trapezium or circle；When intercepting with the perpendicular of the length direction being perpendicular to described light guide, the cross section of the three-dimensional light extraction structures of the plurality of hollow is square, rectangle, circle, ellipse or tetragon.
14. the interior lighting system of the light guide being integrated with according to any one of claim 1 to 13.
15. the room light system of the light guide being integrated with according to any one of claim 1 to 13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410785619.8A CN105782906B (en) | 2014-12-17 | 2014-12-17 | Photoconductive tube and interior and the room light system for integrating the photoconductive tube |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410785619.8A CN105782906B (en) | 2014-12-17 | 2014-12-17 | Photoconductive tube and interior and the room light system for integrating the photoconductive tube |
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| Publication Number | Publication Date |
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| CN105782906A true CN105782906A (en) | 2016-07-20 |
| CN105782906B CN105782906B (en) | 2019-02-22 |
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| CN201410785619.8A Expired - Fee Related CN105782906B (en) | 2014-12-17 | 2014-12-17 | Photoconductive tube and interior and the room light system for integrating the photoconductive tube |
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| CN (1) | CN105782906B (en) |
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| CN1278068A (en) * | 1999-05-07 | 2000-12-27 | 阿苏拉布股份有限公司 | Device by using micro-prisms waveguide to proceed surface directional illumination |
| US6347874B1 (en) * | 2000-02-16 | 2002-02-19 | 3M Innovative Properties Company | Wedge light extractor with risers |
| CN1826544A (en) * | 2003-02-17 | 2006-08-30 | 3M创新有限公司 | Light guide system |
| CN102341748A (en) * | 2009-01-02 | 2012-02-01 | 拉姆伯国际有限公司 | Total internal reflection switched flat panel display |
| CN104006322A (en) * | 2013-02-26 | 2014-08-27 | 威斯通全球技术公司 | Strip lighting device |
| WO2014187876A1 (en) * | 2013-05-22 | 2014-11-27 | Valeo Vision | Optical waveguide with a reflective pattern for propagating a light beam |
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- 2014-12-17 CN CN201410785619.8A patent/CN105782906B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1278068A (en) * | 1999-05-07 | 2000-12-27 | 阿苏拉布股份有限公司 | Device by using micro-prisms waveguide to proceed surface directional illumination |
| US6347874B1 (en) * | 2000-02-16 | 2002-02-19 | 3M Innovative Properties Company | Wedge light extractor with risers |
| CN1826544A (en) * | 2003-02-17 | 2006-08-30 | 3M创新有限公司 | Light guide system |
| CN102341748A (en) * | 2009-01-02 | 2012-02-01 | 拉姆伯国际有限公司 | Total internal reflection switched flat panel display |
| CN104006322A (en) * | 2013-02-26 | 2014-08-27 | 威斯通全球技术公司 | Strip lighting device |
| WO2014187876A1 (en) * | 2013-05-22 | 2014-11-27 | Valeo Vision | Optical waveguide with a reflective pattern for propagating a light beam |
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|---|---|
| CN105782906B (en) | 2019-02-22 |
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