CN203643635U - Light guide strip structure - Google Patents

Abstract

The utility model discloses a light guide strip structure. A local area of the outer surface of the bent or straight light guide strip along the direction of the central shaft or the peripheral direction is used as a reflective surface, and the opposite surface is used as the light-emitting surface. A distance is arranged between the light-emitting surface and a plane or a curved surface of an irradiated object. The reflective surface is formed by arranging a plurality of reflective structures in an isopycnic manner or a non-isopycnic manner. The isodense is characterized in that the density is higher, when the distance between the reflective surface and the irradiated object is further, and conversely, the density is lower. The light can be emitted from the end part of the light guide strip to the inner side of the light guide strip in a conducted manner, the reflective surface can be used to reflect the light to the light-emitting surface, and then the light can be irradiated on the irradiated object through the light-emitting surface, and therefore the approximately uniform illuminance of the integral body can be provided.

Description

Light-guiding strip structure

Technical field

The utility model relate to a kind of for throwing light on, the barcode illuminating device of decorative use, specifically a kind of light-guiding strip structure.

Background technology

Based on using the luminous factor such as softer of light source fewer ﹑, replacing plural LED (light-emittingdiode) in part specialities or occasion with light-strip has at present become another kind of selection as light-emitting device.For example, the lighting rod that TaiWan, China patent discloses for No. 095211117, it includes a light-strip that extends axially a length, and be located at the light-emitting component of this light-strip first end, the external diameter local area of light-strip is combined with the first reflecting element, and the second end of light-strip is provided with the second reflecting element; Described light-emitting component is during toward the second end throw light of light-strip, and light is simultaneously via first and second reflecting element reflection, thereby produces illumination effect at light-strip.

Aforesaid light-strip can be as simple illuminating lamp, also can be as ornament lamp, or the ad-hoc location that is hidden in article is as background light, or be arranged on and need the object of the printing opacity back side as backlight.The surface of wanting to be irradiated by light-strip due to some product is curved surface or irregular surface, and general light-strip is straight shape, if so that adopt the light-strip of straight shape as light emitting source, because each position of the light-strip central axis direction of straight shape is different from the vertical range on photographed object surface, so that it is not identical to be irradiated to the illuminance on photographed object surface yet, on visual experience, there is the inhomogeneous Qing of shadow surface Condition.

invention Inner holds

The purpose of this utility model, be that light is irradiated curved surface or the irregular surface in object by the known straight shape light-strip of Xie Decision, or the light-strip of Curved is while irradiating the plane in object, shone thing surface can be because different from central axis distance perpendicular to light-strip and produce the inhomogeneous problems of illuminance.

A wherein feature of light-strip of the present utility model, light-strip is made as curved shape by system, and the reflective structure of different densities is set at the reflective surface of light-strip according to the different of the reflective surface of light-strip and the distance of photographed object plane, when the light that makes to enter light-strip from light-strip one end projection conducts, while reflexing to the photographed object plane of different distance via the reflective structure of different densities, in this plane, present and approach uniform illuminance.

Another feature of the light-strip of the utility model, light-strip is made as straight shape by system, and the reflective structure of different densities is set at the reflective surface of light-strip according to the different of the reflective surface of light-strip and the distance of photographed object curved surface, when the light that makes to enter light-strip from light-strip one end projection reflexes to the photographed object curved surface of different distance via the reflective structure of different densities, on this curved surface, present and approach uniform illuminance.

A feature again of light-strip of the present utility model, the diverse location Fen Do that lies in a light-strip arranges reflective structure, make can produce multiple light sources that expose to a diverse location more than photographed object by a light-strip, even on each different surfaces of photographed object, present and approach uniform illuminance.

A wherein technological means of light-strip of the present utility model, system makes light-strip form curved shape or straight shape, and along the local area of a side of its central axis direction, reflective surface is set at the outside surface of this light-strip, be made as exiting surface with respect to the another side of reflective surface; This reflective surface is rearranged with isodensity not by plural reflective structure, and wherein, in the time that light-strip is curved shape, this reflective structure has the density of the position of radius-of-curvature at this light-strip, higher or lower than the average density of the reflective structure of this whole reflective surface; In the time that light-strip is straight shape, the density of this reflective structure is far and high according to the distance of itself and photographed object, otherwise lower; Make light to reflect stronger light by highdensity reflective structure, low-density reflective structure reflects weak light, thereby the light that makes to reflex to photographed object surface presents on the whole and approaches uniform illuminance.

Another technological means of the light-strip of the utility model, can arrange at multiple diverse location Fen Do on light-strip surface the reflective surface of separated from one another or continuous extension; Described reflective surface is rearranged with isodensity not by plural reflective structure, and described not isodensity is far and high according to the distance between this reflective surface and photographed object, otherwise lower; With respect to the another side of each reflective surface as exiting surface, make the light that enters light-strip conduction from light-strip one end projection be able to arrive by exiting surface via the reflective structure reflection of different densities and diverse location the photographed object surface of correspondence position, each different surfaces of photographed object is presented on the whole and approach uniform illuminance.

The utility model is located at the reflective structure of the reflective surface of light-strip, can be give prominence to, the point of depression or plane, or the strip of outstanding, depression or plane.

Utilize aforementioned method of the present utility model and light-strip, general need to arrange in one end of light-strip a light source, by a light source, ray cast is entered to light-strip Inner conduction, again by the reflective structure of the different densities of reflective surface by light variable strength reflect exiting surface, thereby present uniform illuminance in the corresponding plane of photographed object or curved surface, thereby under the condition that saves most the costs such as material saving ﹑ element, provide illumination to use or ornamental light-strip.

The utility model has the advantages that: light, from light-strip end is projected to the conduction of light-strip Inner portion, while light reflection being exposed to photographed object by exiting surface by this reflective surface, obtains so that entirety produces and approaches uniform illuminance.

Accompanying drawing explanation

Fig. 1 is for showing the schematic perspective view of the utility model light-guiding strip structure.

Fig. 2 is the fore-and-aft plane cross-sectional schematic that shows the light-guiding strip structure of the utility model.

The utility model reflective structure that Fig. 3 is watched from the V direction of the 2nd figure by demonstration has the embodiment floor map of different densities.

Fig. 4 for show the utility model with Curved light-strip by light reflection the embodiment floor map to plane photographed object.

Fig. 5 for show the utility model with straight shape light-strip by light reflection the embodiment floor map to curved surface photographed object.Fig. 6 arranges the embodiment floor map of reflective surface separated from one another for showing the present invention's light-strip at several diverse locations.

Fig. 7 is for extending continuously with non-rectilinear ground the embodiment floor map that reflective surface is set in the light-strip surface that shows the utility model.

Fig. 8 is the plan cross-section schematic diagram of the 8-8 direction of Fig. 6, and it shows that light is reflected the state of light-strip by different reflective surfaces simultaneously.

Embodiment

Below coordinate graphic and component symbol to do the more explanation of detail to embodiment of the present utility model, studying carefully after this instructions and can implement according to this in order to do making to have the knack of this skill person.

First as shown in Figures 1 and 2, the light-strip 1 that the utility model provides, is to adopt the optical grade material with printing opacity and leaded light character to manufacture rectangular body, and the radially section of this light-strip 1 can be circular, or other polygon or geometric configuration; The length direction of light-strip 1 can be straight shape, can be also bending arc.In embodiment shown in Fig. 1 and Fig. 2, this light-strip 1 cording has the curved shape of multistage radius-of-curvature, and light-strip 1 embodiment shown in the 4th figure is straight shape.

In the embodiment shown in figure 1 ﹑ 2, the outside surface of the light-strip 1 of curved shape is made asreflective surface 11 along the local area system of a side of its central axis direction, another side system with respect toreflective surface 11 is defined asexiting surface 12, thisreflective surface 11 is to be rearranged with isodensity not by pluralreflective structure 111, wherein,reflective structure 111 has the density of the position of radius-of-curvature at light-strip 1, be according to the position of this light-strip of actual installation be made as the average density higher or lower than the reflective structure of this wholereflective surface 11 with respect to the distance of photographed object.In specific words, the outside surface that describedreflective surface 11 ties up to light-strip 1 molds the reflective structure such as some ﹑ line or other geometric configuratioies that possesses reflecting effect, for example the bent line ﹑ of the straight line ﹑ of the circle polygonal form point ﹑ of some ﹑ ... Deng; Thosereflective structures 111 can be one-body molded out for point or other geometric shapes of protrusion or depression in manufacturing light-strip, also can adopt planographic mode to be formed at light-strip 1 surface.

The present invention can install in the one or both ends of light-strip 1 light source base 2 (that shown in Figure 2 ties up to one end onelight source base 2 is set);Light source base 2 Inner are provided with thelight source 3 being located oncircuit board 31, and the preferred embodiment of describedlight source 3 is to adopt LED (light-emittingdiode); The central axis direction of light-strip 1 is aimed at by the throw light direction system oflight source 3, and while launching light into the conduction of light-strip 1 Inner portion, except part light directly penetrates exitingsurface 12 ejaculations, another part light can reflect and penetrate from exitingsurface 12 viareflective surface 11; Because thereflective structure 111 ofreflective surface 11 is to be not isodensity to divide Fabric, therefore, also not identical from the reflective structure institute intensity of reflected light of different densities, that is, the reflective structure that density is higher can reflect stronger light, and the reflective structure that density is lower reflects weak light.

The present invention is located at the reflective structure of the light-strip of curved shape, ties up to this light-strip and have the density of the position of radius-of-curvature, higher or lower than the average density of the reflective structure of this whole reflective surface.Embodiment as shown in figure bis-to figure tetra-, the present invention system according to the different of thedistance B 1 to D6 onreflective surface 11 and photographedobject 4 surfaces by A1 region to the A6 region of 111 points of Fabric one-tenth different densities of reflective structure; As A3 region, because thedistance B 3 of reflective surface and photographedobject 4 is the longest, thus the highest in the reflective structure density in A3 region, thereby can reflect the strongest light.And for example A5 region, because the distance B 5 of reflective surface and photographedobject 4 is the shortest, therefore in the reflective structure density minimum in A5 region, thereby can reflect the most weak light.In like manner, the density of thereflective structure 111 of other region A1 ﹑ A2 ﹑ A4 ﹑ A6 also arranges according to thedistance B 1 ﹑ D2 ﹑ D4 on its reflective surface and photographedobject 4 surfaces and D6, and thereflective structure 111 that finally makes each region is able to light reflection during to the plane of photographedobject 4 entirety and presents and approach uniform illuminance.

In addition, Fig. 5 is demonstration another embodiment of the present invention, in the time that the surface of photographedobject 4 is curved surface or irregular surface, also light-strip 1 can be made as to straight shape, and relative two sides Fen Do arrangesreflective surface 11 andexiting surface 12; Due to each position of curved surface ofreflective surface 11 and photographedobject 4 apart from all not identical, thereby also adopt aforementioned mode that the region of a plurality of reflective structures with different densities is set atreflective surface 11; As shown in the 5th figure, because the distance d1 of the sunk area 4a1 of the reflective surface in a1 region and photographedobject 4 is the longest, therefore the reflective structure density in a1 region is the highest, thereby can reflect the strongest light, and the sunk area 4a2 of the reflective surface in a2 region and photographedobject 4 is the shortest apart from d2, therefore the reflective structure density in a2 region is minimum, thereby can reflect the most weak light.In like manner, the density of the reflective structure of other regions (do not indicate) is also according to the distance on its reflective surface and photographedobject 4 surfaces and arrange, and finally makes reflective surface light reflection is able to entirety during to the curved surface of photographedobject 4 and presents and approach uniform illuminance.

Fig. 6 and Fig. 8 show an embodiment more of the present invention, can there is according to out-of-flatness photographedobject 4 surface configurations and the angle of multiple planes, the reflective structure region B1 ~ B4 of the photographed object position of corresponding institute wish irradiation is set in surperficial multiple diverse location Fen Do of a light-strip 1, described reflective structure region B1 ~ B4 all hasreflective surface 11, thosereflective surfaces 11 Fen Do are rearranged with isodensity not by thereflective structure 111 as shown in the 3rd figure, described not isodensity, system is far and high according to the distance between thisreflective surface 11 and photographedobject 4, otherwise lower; With respect to the light-strip opposite side surface of thisreflective surface 11 as exiting surface, make the light that enters light-strip conduction from the projection of light-strip one end be able to reflect photographedobject 4 surfaces to correspondence position by exiting surface via thereflective surface 11 of different densities and diverse location, to present and to approach uniform illuminance on each different surfaces of photographedobject 4.

Fig. 7 is demonstration another embodiment of the present invention, can there is according to out-of-flatness photographedobject 4 surface configurations and the angle of multiple planes, thereflective surface 11 of the photographed object position of corresponding institute wish irradiation for example, is set with the non-rectilinear continuous extension in ground (spiral fashion) in the surface of a light-strip 1, thisreflective surface 11 is also rearranged with isodensity or non-isodensity by reflective structure as shown in Figure 3, described not isodensity, system is far and high according to the distance between thisreflective surface 11 and photographed object, otherwise lower; With respect to the light-strip opposite side surface of thisreflective surface 11 as exiting surface, make the light that enters light-strip conduction from the projection of light-strip one end be able to reflect the photographed object surface to correspondence position by exiting surface via thereflective surface 11 of different densities and diverse location, to present and to approach uniform illuminance on each different surfaces of photographed object.

Utilize aforementioned method of the present invention and light-strip, general need to arrange in one end of light-strip a light source, by a light source, ray cast is entered in light-strip and conducted, again by the reflective structure of the different densities of reflective surface by light variable strength reflect exiting surface, approach uniform illuminance thereby present entirety at the corresponding plane of article or curved surface, thereby under the costs such as material saving ﹑ element, provide illumination use or ornamental light-strip saving most.

As described above is only in order to explain the preferred embodiment of the utility model; not attempt tool the utility model is done to any formal restriction; be with; all any modification or changes that has the relevant the utility model of doing under identical novel spirit, all must be included in the category of the utility model intention protection.

Claims (4)

1. a light-guiding strip structure, the outside surface that it is characterized in that this light-strip is reflective surface along the local area of a side of its central axis direction, another side is exiting surface relatively, this reflective surface is rearranged with isodensity not by plural reflective structure, wherein, this reflective structure has the density of the position of radius-of-curvature at this light-strip, higher than or be less than the average density of the reflective structure of this whole reflective surface.

2. a light-guiding strip structure, is characterized in that multiple diverse locations of the outside surface of this light-strip divide Do to be provided with reflective surface, is exiting surface with respect to the another side of this reflective surface, and this reflective surface is rearranged with isodensity not by plural reflective structure.

3. a light-guiding strip structure, is characterized in that the outside surface of this light-strip is provided with the reflective surface that is the continuous extension of non-rectilinear, is exiting surface with respect to the another side of this reflective surface, and this reflective surface is rearranged with isodensity or non-isodensity by plural reflective structure.

4. according to the light-guiding strip structure described in claims 1 to 3 item any one, it is characterized in that, described reflective structure be give prominence to, point or the strip of depression or plane.

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