Produce the method for uniform illumination degree at photographed object with light-stripTechnical field
The present invention relates to a kind of for throwing light on, the barcode illuminating device of decorative use, specifically a kind of method and light-guiding strip structure producing uniform illumination degree with light-strip at photographed object.
Background technology
Based on factors such as use light source Geng Shao ﹑ luminescence are softer, using light-strip to replace plural LED (light-emittingdiode) at part specialities or occasion at present has become another kind of as light-emitting device and has selected.Such as, TaiWan, China patent No. 095211117 " lighting rod " disclosed, it includes the light-strip that axially extends 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 then provided with the second reflecting element; When described light-emitting component is toward the second end throw light of light-strip, light reflects via first and second reflecting element simultaneously, thus produces illumination effect at light-strip.
Aforesaid light-strip can as simple illuminating lamp, also can as ornament lamp, or the ad-hoc location being hidden in article is as background light, or is arranged on and needs the object back side of printing opacity as backlight.Because some product is curved surface or irregular surface for the surface irradiated by light-strip, and general light-strip is straight shape, so that according to the light-strip of straight shape as light emitting source, then 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 the illuminance being irradiated to photographed object surface is not identical yet, namely visual experience has shadow surface uneven Qing Condition.
Summary of the invention
Object of the present invention, be that solving known straight shape light-strip irradiates curved surface in object or irregular surface by light, or the light-strip of Curved is when irradiating the plane in object, shone thing surface can because from the central axis perpendicular to light-strip apart from different and produce the uneven problem of illuminance.
The technical scheme that the present invention solves the employing of its technical matters is: the method producing uniform illumination degree with light-strip at photographed object provided by the invention, a wherein feature, light-strip is set to curved shape by system, and photographed object is plane, and the reflective structure of different densities is set at the reflective surface of light-strip from the different of the distance of photographed object according to the reflective surface of light-strip, when the light entering light-strip from the projection of light-strip one end is conducted, when reflective structure via different densities reflexes to the photographed object plane of different distance, present on this plane close to uniform illuminance.
The method producing uniform illumination degree with light-strip at photographed object provided by the invention, its another feature, light-strip is set to straight shape by system, and photographed object is curved surface, and the reflective structure of different densities is set at the reflective surface of light-strip from the different of the distance of photographed object according to the reflective surface of light-strip, when the light making to enter light-strip from the projection of light-strip one end reflexes to the photographed object curved surface of different distance via the reflective structure of different densities, this curved surface presents close to uniform illuminance.
The method producing uniform illumination degree with light-strip at photographed object provided by the invention, it is a feature again, be the shape according to irregular photographed object surface and angle, the reflective structure at the position of corresponding institute wish irradiation is set in the diverse location of a light-strip, make can produce multiple light source exposing to multiple diverse locations of photographed object by a light-strip, even present close to uniform illuminance on each different surfaces of photographed object.
A technological means of the present invention is provide a photographed object, the light-strip having a curved shape with; At least one end of this light-strip arranges at least one light source, the outside surface of this light-strip along the local area of the side of its central axis direction as reflective surface, relative to the another side of reflective surface as exiting surface, this exiting surface and this photographed object keep a distance, when this light source conducts toward light-strip internal transmission light, light is penetrated from exiting surface via reflective surface reflection; Described reflective surface is rearranged with not isodensity by plural reflective structure, described not isodensity, system is far and high according to the distance between this reflective surface and photographed object, otherwise then lower, uses the light making to reflex to photographed object surface and presents on the whole close to uniform illuminance.
Another technological means of the present invention, system provides a surface to have the photographed object of curved surface or irregular surface, with the light-strip of shape always, at least one end of this light-strip arranges at least one light source, the outside surface of this light-strip along the local area of the side of its central axis direction as reflective surface, relative to the another side of reflective surface as exiting surface, the curved surface of this exiting surface and this photograph thing or irregular surface keep a distance, this light source is toward light-strip internal transmission light, light is penetrated from exiting surface via reflective surface reflection, described reflective surface is rearranged with not isodensity by plural reflective structure, described not isodensity, system is far and high according to the distance between this reflective surface and this photographed object, otherwise it is then lower, use and the light entirety reflexing to photographed object surface is presented close to uniform illuminance.
The method producing uniform illumination degree with light-strip at photographed object provided by the invention, its another technological means, can according to irregular photographed object surface configuration and angle, the reflective surface of the photographed object different surfaces of corresponding institute wish irradiation is set in multiple diverse location Fen Do on a light-strip surface; Described reflective surface is rearranged with not isodensity by plural reflective structure, and described not isodensity is far and high according to the distance between this reflective surface and photographed object, otherwise then lower; Relative to the light-strip opposite side surface of each reflective surface then as exiting surface, make the light entering light-strip conduction from the projection of light-strip one end be able to be reflected through via the reflective structure of different densities and diverse location the photographed object surface that exiting surface arrives correspondence position, each different surfaces of photographed object is presented on the whole close to uniform illuminance.
The present invention is located at the reflective surface of multiple diverse locations on light-strip surface, can be multiple reflective surfaces separated from one another; Also can be the reflective surface are nonlinearly extended continuously.
System of the present invention provides a kind of can make the unequal photographed object surface with light source distance produce the light-strip close to even illuminance, it can make light-strip form curved shape or straight shape, and at the outside surface of this light-strip, reflective surface is set along the local area of the side of its central axis direction, be set to exiting surface relative to the another side of reflective surface; This reflective surface is rearranged with not isodensity by plural reflective structure, and wherein, when 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; When light-strip is straight shape, then the density of this reflective structure is far and high according to the distance of itself and photographed object, otherwise then lower; Make light can reflect stronger light by highdensity reflective structure, low-density reflective structure then reflects more weak light, thus the light reflexing to photographed object surface is presented on the whole close to uniform illuminance.
Light-strip provided by the invention, can arrange the reflective surface of separated from one another or continuous extension at multiple diverse location Fen Do on this light-strip surface; Described reflective surface is rearranged with not isodensity by plural reflective structure, and described not isodensity is far and high according to the distance between this reflective surface and photographed object, otherwise then lower; Relative to the another side of each reflective surface then as exiting surface, make the light entering light-strip conduction from the projection of light-strip one end be able to be reflected through via the reflective structure of different densities and diverse location the photographed object surface that exiting surface arrives correspondence position, each different surfaces of photographed object is presented on the whole close to uniform illuminance.
The present invention is located at the reflective structure of the reflective surface of light-strip, can be to give prominence to, cave in or the point of plane, or the strip of outstanding, depression or plane.
Utilize aforementioned method of the present invention and light-strip, general only needs arranges a light source in one end of light-strip, by a light source ray cast entered in light-strip and conduct, by the reflective structure of the different densities of reflective surface, light variable strength is reflected exiting surface again, thus plane corresponding to photographed object or curved surface present uniform illuminance, thus provide under the condition of the costs such as most Festival Sheng Cai Liao ﹑ element illumination with or ornamental light-strip.
Advantage of the present invention is: after light is projected to light-strip conducted inside from light-strip end, when light reflection being exposed to photographed object by exiting surface by this reflective surface, is made overall generation close to uniform illuminance.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of display light-guiding strip structure of the present invention.Fig. 2 is the fore-and-aft plane cross-sectional schematic of the light-guiding strip structure of display the present invention.Fig. 3 to have the embodiment floor map of different densities by display from the reflective structure of the present invention that the V direction of the 2nd figure is watched.Fig. 4 for display the present invention with Curved light-strip by light reflection to the embodiment floor map of plane photographed object.Fig. 5 for display the present invention with straight shape light-strip by light reflection to the embodiment floor map of curved surface photographed object.The light-strip that Fig. 6 is display the present invention arranges the embodiment floor map of reflective surface separated from one another at several diverse location.The light-strip surface that Fig. 7 is display the present invention is with the embodiment floor map of are nonlinearly continuous extended reflective surface.Fig. 8 is the plan cross-section schematic diagram in the 8-8 direction of the 6th figure, and it shows light is reflected light-strip state by different reflective surface simultaneously.
Embodiment
Below coordinating accompanying drawing and component symbol to do the explanation of more detail to embodiments of the present invention, can implement according to this after studying this instructions carefully in order to do making to have the knack of this those skilled in the art.
First as shown in Figures 1 and 2, light-strip 1 provided by the invention adopts the optical grade material with printing opacity and guide-lighting character to manufacture elongate body, and the radial section of this light-strip 1 can be circular, or other polygon or geometric configuration; The central axis direction of light-strip 1 can be straight shape, also can be bending arc.In embodiment shown in 1st figure and the 2nd figure, 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 set to reflective surface 11 along the local area system of the side of its central axis direction, Dinging Righteousness relative to the another side Xi of reflective surface 11 is exiting surface 12, this reflective surface 11 is rearranged with not isodensity by plural reflective structure 111, wherein, reflective structure 111 has the density of the position of radius-of-curvature at light-strip 1, be position according to this light-strip of actual installation and the distance relative to photographed object and be set to the average density of the reflective structure higher or lower than this whole reflective surface 11.In specific words, the outside surface that described reflective surface 11 ties up to light-strip 1 molds the reflective structures such as the some ﹑ line that possesses reflecting effect or other geometric configuratioies, such as the bent line ﹑ of the straight line ﹑ of circle point ﹑ polygonal form point ﹑ ... Deng; Those reflective structures 111 can manufacture while light-strip one-body molded out for protruding or the point of depression or other geometric shapes, and planographic mode also can be adopted to be formed at light-strip 1 surface.
The present invention can install a light source base 2 (that shown in Figure 2 ties up to one end and arranges a light source base 2) in the one or both ends of light-strip 1; Then be provided with the light source 3 be located on circuit board 31 in light source base 2, the preferred embodiment of described light source 3 adopts LED (light-emittingdiode); The central axis direction of light-strip 1 is aimed at by the throw light direction system of light source 3, and when launching light into light-strip 1 conducted inside, except some light directly penetrates exiting surface 12 and penetrates, another part light can reflect via reflective surface 11 and penetrate from exiting surface 12; Reflective structure 111 due to reflective surface 11 is in not isodensity distribution, 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 then reflects more weak light.
The present invention is located at the reflective structure of the light-strip of curved shape, ties up to the density that this light-strip has 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 the 2nd figure to the 4th figure, system of the present invention according to reflective surface 11 and photographed object 4 surface distance D1 to D6 different and reflective structure 111 is scattered in the A1 region of different densities to A6 region; As A3 region, because the distance D3 of reflective surface and photographed object 4 is the longest, thus the highest in the reflective structure density in A3 region, thus can reflect the strongest light.And for example A5 region, because the distance D5 of reflective surface and photographed object 4 is the shortest, thus minimum in the reflective structure density in A5 region, thus can reflect the most weak light.In like manner, the density of the reflective structure 111 of other region A1 ﹑ A2 ﹑ A4 ﹑ A6 is also arranged according to distance D1 ﹑ D2 ﹑ D4 and D6 on its reflective surface and photographed object 4 surface, finally makes the reflective structure 111 in each region be presented close to uniform illuminance to being able to entirety during the plane of photographed object 4 by light reflection.
In addition, Fig. 5 system display another embodiment of the present invention, when the surface of photographed object 4 be curved surface or irregular surface time, also light-strip 1 can be set to straight shape, and relative two sides Fen Do arranges reflective surface 11 and exiting surface 12; Because reflective surface 11 is all not identical with the distance of each position of curved surface of photographed object 4, thus also adopt aforementioned mode that a plurality of region with the reflective structure of different densities is set at reflective surface 11; As shown in Figure 5, because the distance d1 of the most sunk area 4a1 of the reflective surface in a1 region and photographed object 4 is the longest, therefore it is the highest in the reflective structure density in a1 region, thus the strongest light can be reflected, and the most sunk area 4a2 distance d2 of the reflective surface in a2 region and photographed object 4 is the shortest, therefore minimum in the reflective structure density in a2 region, thus can reflect the most weak light.In like manner, the density of the reflective structure of other regions (sign) is also arranged according to the distance on its reflective surface and photographed object 4 surface, finally makes reflective surface be presented close to uniform illuminance to being able to entirety during the curved surface of photographed object 4 by light reflection.
6th figure and the 8th figure system show one more embodiment of the present invention, photographed object 4 surface configuration and the angle of multiple plane can be had according to out-of-flatness, the reflective structure region B1 ~ B4 of the photographed object position of corresponding institute wish irradiation is set in multiple diverse location Fen Do on the surface of a light-strip 1, described reflective structure region B1 ~ B4 all has reflective surface 11, those reflective surfaces 11 Fen Do is rearranged with not isodensity by reflective structure 111 as shown in Figure 3, described not isodensity, system is far and high according to the distance between this reflective surface 11 and photographed object 4, otherwise then lower; Relative to the light-strip opposite side surface of this reflective surface 11 then as exiting surface, the light entering light-strip conduction from the projection of light-strip one end is made to be able to be reflected through photographed object 4 surface of exiting surface to correspondence position, to present close to uniform illuminance on each different surfaces of photographed object 4 via the reflective surface 11 of different densities and diverse location.
7th figure system display another embodiment of the present invention, photographed object 4 surface configuration and the angle of multiple plane can be had according to out-of-flatness, in the surface of a light-strip 1 are nonlinearly to extend the reflective surface 11 that (such as spiral fashion) arranges the photographed object position of corresponding wish irradiation continuously, this reflective 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 this reflective surface 11 and photographed object, otherwise then lower; Relative to the light-strip opposite side surface of this reflective surface 11 then as exiting surface, the light entering light-strip conduction from the projection of light-strip one end is made to be able to be reflected through the photographed object surface of exiting surface to correspondence position, to present close to uniform illuminance on each different surfaces of photographed object via the reflective surface 11 of different densities and diverse location.
Utilize aforesaid light-guiding strip structure, the means of illumination that the present invention provides a kind of structure to simplify according to this, the object plane of an illuminated light can be made to produce close to uniform illuminance, comprising: a photographed object is provided, the light-strip that one has a curved shape is provided, at least one end of this light-strip arranges at least one light source, the outside surface of this light-strip along the local area of the side of its central axis direction as reflective surface, relative another side is as exiting surface, this exiting surface and this photographed object keep a distance, when ray cast is entered this light-strip conducted inside by this light source, light is penetrated from this exiting surface via the reflection of this reflective surface, described reflective surface is rearranged with not isodensity by plural reflective structure, described not isodensity, system is far and high according to the distance between this reflective surface and this photographed object, use and the light reflexing to photographed object surface is presented close to uniform illuminance.Wherein, described reflective structure can be outstanding, depression or the point of plane or strip.
Utilize aforesaid light-guiding strip structure, the means of illumination that the present invention also can provide another kind of structure to simplify according to this, the object curved surface of an illuminated light can be made to produce close to uniform illuminance, comprising: provide a surface to have the photographed object of curved surface, the light-strip of shape is always provided, at least one end of this light-strip arranges at least one light source, the outside surface of this light-strip along the side local area of its central axis direction as reflective surface, relative to the another side of reflective surface as exiting surface, the curved surface of this exiting surface and this photographed object or irregular surface keep a distance, when ray cast enters and conducts in light-strip by this light source, light is penetrated from this exiting surface via the reflection of this reflective surface, described reflective surface is rearranged with not isodensity by plural reflective structure, described not isodensity, system is far and high according to the distance between this reflective surface and this photographed object, use and the light entirety reflexing to photographed object surface is presented close to uniform illuminance.
Utilize aforesaid light-guiding strip structure, the means of illumination that the present invention also can provide another kind of structure to simplify according to this, multiple surfaces of the photographed object with different angles and position can be made to produce close to uniform illuminance, comprising: the photographed object that has multiple surface is provided, one light-strip is provided, at least one end of this light-strip arranges at least one light source, outside surface multiple diverse location Fen Do of this light-strip arranges reflective surface, relative to the another side of this reflective surface as exiting surface, each exiting surface corresponds to a wherein surface of this photographed object and keeps a distance, when ray cast enters and conducts in light-strip by this light source, light is penetrated from this exiting surface via the reflection of this reflective surface, described reflective surface is rearranged with isodensity or non-isodensity by plural reflective structure, described not isodensity, system is far and high according to the distance between this reflective surface and this photographed object, otherwise it is then lower, use and the light entirety reflexing to photographed object surface is presented close to uniform illuminance.
Utilize aforementioned method of the present invention and light-strip, general only needs arranges a light source in one end of light-strip, by a light source ray cast entered in light-strip and conduct, by the reflective structure of the different densities of reflective surface, light variable strength is reflected exiting surface again, thus plane corresponding to article or curved surface present overall close to uniform illuminance, thus under the costs such as most Festival Sheng Cai Liao ﹑ element, provide illumination use or ornamental light-strip.
The upper described Zhe Only of Yi is the preferred embodiment in order to explain the present invention; not attempt tool is to do any restriction in form to the present invention; there are any modification or the change of the relevant the present invention that does under identical invention spirit therefore all, all must be included in the category that the invention is intended to protection.