CN104838293A - Retro reflection sheet using cube corner having modified structure - Google Patents
Retro reflection sheet using cube corner having modified structure Download PDFInfo
- Publication number
- CN104838293A CN104838293A CN201380062855.0A CN201380062855A CN104838293A CN 104838293 A CN104838293 A CN 104838293A CN 201380062855 A CN201380062855 A CN 201380062855A CN 104838293 A CN104838293 A CN 104838293A
- Authority
- CN
- China
- Prior art keywords
- cube corner
- pattern
- alignment direction
- degree
- reflecting piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/12—Reflex reflectors
- G02B5/122—Reflex reflectors cube corner, trihedral or triple reflector type
Abstract
The present invention relates to a retro reflection sheet using a cube corner having a modified structure. The retro reflection sheet according to the present invention includes a plurality of cube corner patterns that are formed with a retro reflection effective area, and one of the plurality of cube corner patterns and the other of the cube corner patterns adjacent thereto in at least three directions have different orientation directions.
Description
Technical field
The present invention relates to a kind of cube angle-style reflecting piece, especially, relate to and a kind ofly utilize the reflecting piece of distressed structure cube corner to form the useful area of back reflection.
Background technology
Reflecting piece can make incident light reflect towards its light source on major surfaces.Because of the function of described uniqueness, reflecting piece is widely used in indicating relevant various reinforcement identity purposes with traffic and personal security.The typical purposes of reflecting piece is specifically under or cloudy condition underlit in nighttime driving condition etc., configures above-mentioned reflecting piece in order to strengthen identity on road sign plate, traffic safety circular cone and street barricade.
Typical cube of angle-style reflecting piece uses hard and interconnective cube corner parts make back reflection incident light on the major surfaces of sheet material.About back reflection, in corresponding technical field, known cube corner parts are the tetrahedral structure thing with base triangle usually, and it is relative with summit with orthogonal three sides of reporting to the leadship after accomplishing a task mutually at unity reference point or summit.
The axis of symmetry of described cube corner parts or optical axis refer to that break-through cube apex extends, and by the axle of the inner space trisection of cube corner parts.In the existing cube corner parts with isosceles triangle bottom surface, the optical axis of cube corner parts is to the plane orthogonal comprising base triangle.During work, the light inciding the bottom surface of cube corner parts is fed back into light source respectively after three of parts offside reflections.Generally, reflecting piece has the surface of the structured comprising more than one cube corner reflection part arrangement, and described cube corner reflection part is for strengthening the visibility of object.
Described cube of angle-style reflecting piece shows different back reflection performances according to the inclined degree of optical axis.But, there is the widest and back reflection performance that display is the best of the useful area of back reflection when optical axis does not tilt, but still there is the region that back reflection does not occur in cube angle-style reflecting piece.
Summary of the invention
Therefore, the present invention proposes for solving described existing issue, its object is to, a kind of reflecting piece utilizing distressed structure cube corner is provided, the cube corner pattern that this reflecting piece forms distressed structure makes the removal of the triangle in triangular pyramid type cube corner bottom surface for there is not the region of back reflection, and only have the region that back reflection occurs, and it is mutually different from the alignment direction of the cube corner pattern of other adjacent distressed structures to make the cube corner pattern of distressed structure be arranged in its alignment direction.
But object of the present invention is not limited to above-described item, for other objects NM, those skilled in the art will clearly understand by following record.
For reaching above-mentioned purpose, according to the reflecting piece of a viewpoint of the present invention, wherein, comprise multiple cube corner pattern to form the useful area of back reflection, a cube corner pattern in described multiple cube corner pattern has mutually different alignment direction from other at least adjacent on 3 directions cube corner patterns.
Preferably, the alignment direction of other cube corner patterns described is mutually different from the alignment direction of a described cube corner pattern.
Preferably, when the bottom surface of described multiple cube corner pattern is quadrilateral, other cube corner patterns described are 3-8.
Preferably, when the alignment direction benchmark of a described cube corner pattern is 0 degree, the mutually different alignment direction of other cube corner patterns is 90 degree, 180 degree, 270 degree.
Preferably, described multiple cube corner pattern is that whole cutting the region of back reflection does not occur and formed, now with plane perpendicular cut.
Preferably, described multiple cube corner pattern is that bottom surface is grown crosswise as 50-400 μm, and lengthwise is the quadrilateral form of 50-400 μm.
According to other viewpoints of the present invention, the invention provides reflecting piece, comprising: the first pattern array, arrange multiple cube corner pattern to form the useful area of back reflection; And at least one second pattern array, arrange multiple cube corner pattern to form the useful area of back reflection, a cube corner pattern in described multiple cube corner pattern has mutually different alignment direction from other at least adjacent on 3 directions cube corner patterns.
Preferably, the arrangement of the alignment direction of the described multiple cube corner patterns in described first pattern array is set as mutually different from the arrangement of the alignment direction of the described multiple cube corner patterns in described second pattern array.
Preferably, the alignment direction of other cube corner patterns described is mutually different from the alignment direction of a described cube corner pattern
Preferably, when the bottom surface of described multiple cube corner pattern is quadrilateral, other cube corner patterns described are 3-8.
Preferably, when the alignment direction benchmark of a described cube corner pattern is 0 degree, the mutually different alignment direction of other cube corner patterns is 90 degree, 180 degree, 270 degree.
According to the reflecting piece utilizing distressed structure cube corner of the present invention, the cube corner pattern forming distressed structure makes the removal of the triangle in triangular pyramid type cube corner bottom surface for there is not the region of back reflection, and only there is the region that back reflection occurs, and it is mutually different from the alignment direction of the cube corner pattern of other adjacent distressed structures to make the cube corner pattern of distressed structure be arranged in its alignment direction, thus the present invention has the effect that can show outstanding reflecting properties on various incident angle direction.
Further, the present invention, owing to showing outstanding reflecting properties on various incident angle direction, therefore, can improve the performance of the reflecting piece of the cube corner pattern utilizing distressed structure.
Accompanying drawing explanation
Fig. 1 is the figure of the formation basic theory for illustration of the distressed structure cube corner according to one embodiment of the invention.
Fig. 2 is the figure of the form for illustration of the distressed structure cube corner according to one embodiment of the invention.
Fig. 3 a to Fig. 3 b is the first figure of the form of the reflecting piece illustrated according to one embodiment of the invention.
Fig. 4 a to Fig. 4 b is the second figure of the form of the reflecting piece illustrated according to one embodiment of the invention.
Fig. 5 a to Fig. 5 b is the 3rd figure of the form of the reflecting piece illustrated according to one embodiment of the invention.
Fig. 6 a to Fig. 6 b is the 4th figure of the form of the reflecting piece illustrated according to one embodiment of the invention.
Fig. 7 a to Fig. 7 b is the 5th figure of the form of the reflecting piece illustrated according to one embodiment of the invention.
Fig. 8 is the figure of the reflecting properties of the reflecting piece illustrated according to one embodiment of the invention.
Embodiment
Hereinafter, with reference to the accompanying drawings of the reflecting piece utilizing the cube corner of distressed structure according to the embodiment of the present invention.Below, the part of necessity when understanding action and effect of the present invention is stressed.
When inscape of the present invention is described, according to drawing, different symbols can be marked to the inscape with same names, meanwhile, also can mark identical symbol in various figures.Nonetheless, be not mean that its inscape has different functions according to embodiment, or there is identical function in various embodiments, the function of each inscape should be judged according to the explanation in corresponding embodiment.
Especially, the invention provides reflecting piece, the cube corner pattern that this reflecting piece forms distressed structure makes on the triangle of triangular pyramid type cube corner bottom surface, remove the region that back reflection does not occur, and only have the region (useful area of back reflection) that back reflection occurs, and it is mutually different from the alignment direction of the cube corner pattern of other adjacent distressed structures to make the cube corner pattern of distressed structure be arranged in its alignment direction.
Now, the bottom surface for the cube corner of pyrometric cone form of the present invention can be equilateral triangle, but is not limited thereto, and can also want triangle for isosceles triangle or not etc.
Fig. 1 is the figure for illustration of the formation basic theory of distressed structure cube corner according to an embodiment of the invention.
As shown in Figure 1, the triangle of pyrometric cone cube corner bottom surface exists the region (oblique line) of the region that back reflection does not occur and generation back reflection.Therefore, the cube corner forming distressed structure in the present invention makes on cube corner, remove the region that back reflection does not occur, and only has the region that back reflection occurs.
Now, the cube corner of distressed structure is only had the region of back reflection occurs, in corresponding region, be formed as having grow crosswise 100 μm, the bottom surface of the square of lengthwise 100 μm.Namely the area whole (100%) of the bottom surface of square becomes useful area.
So, the cube corner of distressed structure can be formed as having the bottom surface of the square identical with lengthwise of growing crosswise, but is not limited thereto, and can be formed as various form, such as, also can be and grow crosswise or rectangle that lengthwise is longer.
Further, be formed as the cube corner pattern of the useful area of back reflection, except the pattern shown in Fig. 1, according to the form of cutting useful area, various cube corner pattern can be formed as.Such as, the size of the useful area of back reflection or form can be different according to cube corner pattern.
The cube corner of distressed structure is formed in effective coverage, and preferably growing crosswise within 50-400 μm, lengthwise is formed within 50-400 μm.Restriction pattern dimension like this is because 1) when pattern dimension is less than 50 μm, pattern dimension diminishes, and to be interfered with each other by the light reflected with this and produce rainbow phenomena, 2) when pattern dimension is greater than 400 μm, pattern dimension becomes large, model deformation, is difficult to manage deformation rate.
Fig. 2 is the figure of the form of the cube corner of distressed structure for illustration of one embodiment of the invention.
As shown in Figure 2, structure cube corner can be formed as polyhedron and the triangle of cube corner bottom surface had only the region of back reflection occurs according to a modification of this invention.
If the cube corner of distressed structure viewed from A side, then the most part A region, summit of its base triangle known is cut, and namely cuts with plane perpendicular
If the cube corner of distressed structure viewed from B side, then B, C subregion, summit, both sides of its base triangle known is cut, and namely cuts with plane perpendicular.
The cutting knife used when cutting dies can not use existing cutting knife, and need use the cutting knife processing additional pattern, when attached cutting, need do and add different action in man-hour from existing master, and, cut place and also want accurately.
Fig. 3 a to Fig. 3 b is the first figure of the form that reflecting piece is according to an embodiment of the invention shown.
As shown in Fig. 3 a to Fig. 3 b, the cube corner pattern of 4 distressed structures can be formed as a unit cell pattern (unit pattern) in the present invention, now, the mode that the alignment direction of the cube corner pattern of 4 distressed structures that can be adjacent in a unit cell pattern is all different arranges.
Such as, when supposing the alignment direction of the cube corner pattern 310 of distressed structure to be set to 0 degree, the alignment direction of the cube corner pattern 320 of the structure of being out of shape toward the clockwise direction becomes 90 degree, the alignment direction of the cube corner pattern 330 of distressed structure becomes 180 degree, and the alignment direction of the cube corner pattern 340 of distressed structure becomes 270 degree.
As shown in Figure 3 a, the alignment direction of the cube corner pattern 310,320,330,340 of the structure of 4 distortion existed in a unit cell pattern is respectively 0 degree, 90 degree, 180 degree, 270 degree, can be all different.
Naturally, the mode that also cube corner of all distressed structures in a unit cell pattern can be increased toward the clockwise direction predetermined angular arranges, but is not limited thereto, and can be arranged in various form.
As shown in Figure 3 b, above-mentioned unit cell pattern can be arranged regularly in reflecting piece according to the present invention.If formed reflecting piece with the arrangement of this unit cell pattern, then can demonstrate certain reflecting properties on various incident angle direction compared with when arranging or be arranged in 180 degree of alignment towards direction, side with by cube corner pattern.
Fig. 4 a to Fig. 4 b is the second figure of the form that reflecting piece is according to an embodiment of the invention shown.
As shown in Fig. 4 a to Fig. 4 b, the cube corner pattern of 4 distressed structures can be formed as a unit cell pattern (unit pattern) in the present invention, now, the mode that the alignment direction of the cube corner pattern of 4 distressed structures that can be adjacent in a unit cell pattern is different up and down arranges.
Such as, when supposing the alignment direction of the cube corner pattern 440 of distressed structure to be set to 0 degree, the alignment direction of the cube corner pattern 430 of the structure of being counterclockwise out of shape becomes 90 degree, the alignment direction of the cube corner pattern 420 of distressed structure becomes 270 degree, and the alignment direction of the cube corner pattern 410 of distressed structure becomes 180 degree.
As shown in fig. 4 a, the alignment direction of the cube corner pattern 410,420,430,440 of the structures of exist in a unit cell pattern 4 distortion is respectively 180 degree, 270 degree, 90 degree, 0 degree all difference toward the clockwise direction, becomes 180 degree between the cube corner pattern that namely can be arranged in adjacent distressed structure up and down.
Such as, when the alignment direction of the cube corner pattern 410 of distressed structure is 180 degree, the alignment direction being adjacent to the cube corner pattern 440 of the distressed structure of downside is 0 degree, when the alignment direction of the cube corner pattern 420 of distressed structure is 270 degree, the alignment direction being adjacent to the cube corner pattern 430 of the distressed structure of downside is 90 degree.
In other words, the alignment direction of the cube corner pattern 410,440 of distressed structure is consistent in vertical direction, and the alignment direction of the cube corner pattern 420,430 of distressed structure is consistent in the horizontal direction.
As shown in Figure 4 b, above-mentioned unit cell pattern can be arranged regularly in reflecting piece according to the present invention.If formed reflecting piece with the arrangement of this unit cell pattern, then with by cube corner pattern towards direction, side arrange form time compared with can demonstrate certain reflecting properties on various incident angle direction.
Fig. 5 a to Fig. 5 b is the 3rd figure of the form that reflecting piece is according to an embodiment of the invention shown.
As shown in Figure 5, the cube corner pattern of 4 distressed structures can be formed as a unit cell pattern (unit pattern) in the present invention, now, the mode that the alignment direction left and right of the cube corner pattern of 4 distressed structures that can be adjacent in a unit cell pattern is different arranges.
Such as, when supposing the alignment direction of the cube corner pattern 510 of distressed structure to be set to 0 degree, the alignment direction of the cube corner pattern 520 of the structure of being out of shape toward the clockwise direction becomes 180 degree, the alignment direction of the cube corner pattern 530 of distressed structure becomes 270 degree, and the alignment direction of the cube corner pattern 540 of distressed structure becomes 90 degree.
As shown in Figure 5 a, the alignment direction of the cube corner pattern 510,520,530,540 of the structures of exist in a unit cell pattern 4 distortion is respectively 0 degree, 180 degree, 270 degree, 90 degree all differences toward the clockwise direction, becomes 180 degree between the cube corner pattern that namely can be arranged in adjacent left and right distressed structure.
Such as, when the alignment direction of the cube corner pattern 510 of distressed structure is 0 degree, the alignment direction being adjacent to the cube corner pattern 520 of the distressed structure on right side is 180 degree, when the alignment direction of the cube corner pattern 540 of distressed structure is 90 degree, the alignment direction being adjacent to the cube corner pattern 530 of the distressed structure on right side is 270 degree.
In other words, the alignment direction of the cube corner pattern 510,520 of distressed structure is consistent in vertical direction, and the alignment direction of the cube corner pattern 530,540 of distressed structure is consistent in the horizontal direction.
As shown in Figure 5 b, above-mentioned unit cell pattern can be arranged regularly in reflecting piece according to the present invention.If formed reflecting piece with the arrangement of this unit cell pattern, then with by cube corner pattern towards direction, side arrange form time compared with can demonstrate certain reflecting properties on various incident angle direction.
So, not towards direction, side and horizontal direction or vertical direction arrangement by the alignment direction of the cube corner pattern of adjacent multiple distressed structures, and different arrangements is because compared with when arranging towards direction, side, according to various incident angle direction, reflecting properties becomes outstanding.
Describe the alignment direction of the cube corner pattern of 4 distressed structures in the present invention, but be not limited thereto, be also applicable to the alignment direction of a cube corner pattern for adjacent other cube corner patterns multiple of benchmark.
Be as the criterion by the situation of every 90 degree of alignment direction arrangement when in the present invention, the cube corner pattern of explanation 4 distressed structures is 0 with a cube corner pattern, but be not limited thereto, when the cube corner pattern becoming benchmark has the angle beyond 0 degree, other cube corner pattern also can arrange by the modes of every 90 degree of alignment.
Further, though understand and be as the criterion other cube corner pattern by the situation of every 90 degree of alignment with a cube corner pattern, be not limited thereto, can be configured to various angle.
Fig. 6 a to Fig. 6 b is the 4th figure of the form of the reflecting piece illustrated according to one embodiment of the invention.
As shown in Fig. 6 a to Fig. 6 b, can respectively different 2 pattern array of the alignment direction of cube corner of cross arrangement distressed structure in reflecting piece according to the present invention.
Such as, as shown in Figure 6 a, first pattern array of Fig. 3 and second pattern array of Fig. 4 intersect and arrange, and now, the first pattern array can be identical with the size of the second pattern array.
As other example, first pattern array of cross arrangement Fig. 3 and second pattern array of Fig. 4 as shown in Figure 6 b, now, the first pattern array can be mutually different from the size of the second pattern array.Can be the amplitude being less than the second pattern array by the amplitude set of the first pattern array, such as, the amplitude of the second pattern array can be 1/2 of the amplitude of the first pattern array.
So, the present invention cross arrangement can have the mutually different pattern array of same size, and, cross arrangement can have the mutually different pattern array of different size.
Fig. 7 a to Fig. 7 b is the 5th figure of the form of the reflecting piece illustrated according to one embodiment of the invention.
As shown in Fig. 7 a to Fig. 7 b, can 3 pattern array differently from each other arranging of the alignment direction of cube corner of cross arrangement distressed structure in reflecting piece according to the present invention.
Such as, as shown in Figure 7a, the 3rd pattern array of first pattern array of mutual cross arrangement Fig. 3, second pattern array of Fig. 4, Fig. 5, now, the size of the first pattern array, the second pattern array, the 3rd pattern array can be identical.
As other examples, as shown in Figure 7b, the 3rd pattern array of first pattern array of mutual cross arrangement Fig. 3, second pattern array of Fig. 4, Fig. 5, now, the size of the first pattern array, the second pattern array, the 3rd pattern array can be identical.
So, the present invention cross arrangement can have the mutually different pattern array of same size, and, cross arrangement can have the mutually different pattern array of different size.
Fig. 8 is the figure of the reflecting properties of the reflecting piece illustrated according to one embodiment of the invention.
As shown in Figure 8, when reflecting piece is towards direction, side arrangement cube corner pattern, only outstanding on the direction, side being arranged with cube corner pattern according to the reflecting properties in incident angle direction.
But the cube corner pattern of structure is owing to arranging towards different directions respectively between adjacent cube corner pattern, therefore, can also show outstanding reflecting properties on various incident angle direction according to a modification of this invention.Now, reflecting properties is back reflection coefficient.
Embodiment described above illustrates, those skilled in the art in the invention can carry out various amendment and distortion in the scope not departing from intrinsic propesties of the present invention.Therefore, it is of the present invention that embodiments of the invention are used to explanation, and do not limit technological thought of the present invention, and technological thought scope of the present invention is not limited to described embodiment.Protection scope of the present invention should be understood should be determined by right, and, interest field of the present invention should be contained in all technological thoughts in its equivalents.
Claims (11)
1. a reflecting piece, it is characterized in that, comprise multiple cube corner pattern to form the useful area of back reflection, a cube corner pattern in described multiple cube corner pattern has mutually different alignment direction from other at least adjacent on 3 directions cube corner patterns.
2. reflecting piece according to claim 1, is characterized in that, the alignment direction of other cube corner patterns described is mutually different from the alignment direction of a described cube corner pattern.
3. reflecting piece according to claim 1 and 2, is characterized in that, when the bottom surface of described multiple cube corner pattern is quadrilateral, other cube corner patterns described are 3-8.
4. reflecting piece according to claim 2, is characterized in that, when the alignment direction benchmark of a described cube corner pattern is 0 degree, the mutually different alignment direction of other cube corner patterns is 90 degree, 180 degree, 270 degree.
5. reflecting piece according to claim 1, is characterized in that, described multiple cube corner pattern is that whole cutting the region of back reflection does not occur and formed, now with plane perpendicular cut.
6. reflecting piece according to claim 5, is characterized in that, described multiple cube corner pattern is that bottom surface is grown crosswise as 50-400 μm, and lengthwise is the quadrilateral form of 50-400 μm.
7. a reflecting piece, is characterized in that, comprising:
First pattern array, arranges multiple cube corner pattern to form the useful area of back reflection; And
At least one second pattern array, arranges multiple cube corner pattern to form the useful area of back reflection,
A cube corner pattern in described multiple cube corner pattern has mutually different alignment direction from other at least adjacent on 3 directions cube corner patterns.
8. reflecting piece according to claim 7, it is characterized in that, the arrangement of the alignment direction of the described multiple cube corner patterns in described first pattern array is set as mutually different from the arrangement of the alignment direction of the described multiple cube corner patterns in described second pattern array.
9. reflecting piece according to claim 7, is characterized in that, the alignment direction of other cube corner patterns described is mutually different from the alignment direction of a described cube corner pattern.
10. the reflecting piece according to claim 7 or 9, is characterized in that, when the bottom surface of described multiple cube corner pattern is quadrilateral, other cube corner patterns described are 3-8.
11. reflecting piece according to claim 9, is characterized in that, when the alignment direction benchmark of a described cube corner pattern is 0 degree, the mutually different alignment direction of other cube corner patterns is 90 degree, 180 degree, 270 degree.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2012-0155811 | 2012-12-28 | ||
| KR20120155811 | 2012-12-28 | ||
| PCT/KR2013/012253 WO2014104781A1 (en) | 2012-12-28 | 2013-12-27 | Retro reflection sheet using cube corner having modified structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104838293A true CN104838293A (en) | 2015-08-12 |
Family
ID=51021729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380062855.0A Pending CN104838293A (en) | 2012-12-28 | 2013-12-27 | Retro reflection sheet using cube corner having modified structure |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR102133964B1 (en) |
| CN (1) | CN104838293A (en) |
| WO (1) | WO2014104781A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114047568A (en) * | 2021-11-03 | 2022-02-15 | 江西盛汇光学科技协同创新有限公司 | Full-reflection microprism three-dimensional structure array, reflection film and preparation method |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016121353A1 (en) | 2015-01-28 | 2016-08-04 | パナソニックＩｐマネジメント株式会社 | Solid-state imaging device and camera |
| KR101941372B1 (en) * | 2017-07-27 | 2019-04-12 | 김현대 | Sheet Mold Forming Method which is manufactured from Conventional Cube-corner Prism Structure Sheet Forming Pattern to Forming Pattern without Retro-reflective Dead area, Pattern thereof and Retro-reflective Sheet thereof |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3873184A (en) * | 1973-02-16 | 1975-03-25 | Amerace Esna Corp | Reflector with interspersed angled reflex elements |
| US3926402A (en) * | 1973-04-24 | 1975-12-16 | Amerace Corp | Pin having nonaligned cube axis and pin axis and bundle of such pins |
| US4243618A (en) * | 1978-10-23 | 1981-01-06 | Avery International Corporation | Method for forming retroreflective sheeting |
| US5138488A (en) * | 1990-09-10 | 1992-08-11 | Minnesota Mining And Manufacturing Company | Retroreflective material with improved angularity |
| CN1133090A (en) * | 1993-10-20 | 1996-10-09 | 美国3M公司 | Dual groove set retroreflective cube corner article and method of manufacture |
| JPH10123309A (en) * | 1996-10-22 | 1998-05-15 | Nippon Carbide Ind Co Inc | Triangular pyramidal cube corner retroerelection sheet |
| CN1260048A (en) * | 1997-07-02 | 2000-07-12 | 美国3M公司 | Tiled retroreflective sheeting composed of highly canted cube corner elements |
| KR20010018578A (en) * | 1999-08-20 | 2001-03-05 | 성재갑 | Transformed Cube Corner Retroreflector Frustrated-Total-Internal-Reflecting Incident Rays and Method of Processing thereof |
| US6206525B1 (en) * | 1994-09-28 | 2001-03-27 | Reflexite Corporation | Miniature micro prism retroreflector |
| US20020196542A1 (en) * | 1997-12-01 | 2002-12-26 | Reflexite Corporation | Multi-orientation retroreflective structure |
| CN1756971A (en) * | 2003-03-06 | 2006-04-05 | 3M创新有限公司 | Lamina comprising cube corner elements and retroreflective sheeting |
| KR20100079855A (en) * | 2008-12-31 | 2010-07-08 | 미래나노텍(주) | Retro-reflective sheet |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5600484A (en) * | 1993-10-20 | 1997-02-04 | Minnesota Mining And Manufacturing Company | Machining techniques for retroreflective cube corner article and method of manufacture |
| EP1017557B1 (en) | 1997-07-02 | 2004-12-08 | Minnesota Mining And Manufacturing Company | Cube corner sheeting mold and method of making the same |
| US6884371B2 (en) * | 2003-03-06 | 2005-04-26 | 3M Innovative Properties Company | Method of making retroreflective sheeting and articles |
| KR101293027B1 (en) * | 2005-06-16 | 2013-08-16 | 애버리 데니슨 코포레이션 | Retroreflective sheet structure |
-
2013
- 2013-12-27 CN CN201380062855.0A patent/CN104838293A/en active Pending
- 2013-12-27 WO PCT/KR2013/012253 patent/WO2014104781A1/en active Application Filing
- 2013-12-27 KR KR1020130164991A patent/KR102133964B1/en active IP Right Grant
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3873184A (en) * | 1973-02-16 | 1975-03-25 | Amerace Esna Corp | Reflector with interspersed angled reflex elements |
| US3926402A (en) * | 1973-04-24 | 1975-12-16 | Amerace Corp | Pin having nonaligned cube axis and pin axis and bundle of such pins |
| US4243618A (en) * | 1978-10-23 | 1981-01-06 | Avery International Corporation | Method for forming retroreflective sheeting |
| US5138488A (en) * | 1990-09-10 | 1992-08-11 | Minnesota Mining And Manufacturing Company | Retroreflective material with improved angularity |
| CN1133090A (en) * | 1993-10-20 | 1996-10-09 | 美国3M公司 | Dual groove set retroreflective cube corner article and method of manufacture |
| US6206525B1 (en) * | 1994-09-28 | 2001-03-27 | Reflexite Corporation | Miniature micro prism retroreflector |
| JPH10123309A (en) * | 1996-10-22 | 1998-05-15 | Nippon Carbide Ind Co Inc | Triangular pyramidal cube corner retroerelection sheet |
| CN1260048A (en) * | 1997-07-02 | 2000-07-12 | 美国3M公司 | Tiled retroreflective sheeting composed of highly canted cube corner elements |
| US20020196542A1 (en) * | 1997-12-01 | 2002-12-26 | Reflexite Corporation | Multi-orientation retroreflective structure |
| KR20010018578A (en) * | 1999-08-20 | 2001-03-05 | 성재갑 | Transformed Cube Corner Retroreflector Frustrated-Total-Internal-Reflecting Incident Rays and Method of Processing thereof |
| CN1756971A (en) * | 2003-03-06 | 2006-04-05 | 3M创新有限公司 | Lamina comprising cube corner elements and retroreflective sheeting |
| KR20100079855A (en) * | 2008-12-31 | 2010-07-08 | 미래나노텍(주) | Retro-reflective sheet |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114047568A (en) * | 2021-11-03 | 2022-02-15 | 江西盛汇光学科技协同创新有限公司 | Full-reflection microprism three-dimensional structure array, reflection film and preparation method |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20140088020A (en) | 2014-07-09 |
| WO2014104781A1 (en) | 2014-07-03 |
| KR102133964B1 (en) | 2020-07-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI457611B (en) | The cube corner is a retroreflective film | |
| CA2708526A1 (en) | Display and labeled article | |
| CN104838293A (en) | Retro reflection sheet using cube corner having modified structure | |
| CN101983343B (en) | Multi-directional cube corner retroreflective object | |
| CN101868741B (en) | Cube corner retroreflective article | |
| KR101950267B1 (en) | Rulable multi-directional prism cluster retroreflective sheeting | |
| CN102736151B (en) | Improved structure of reflecting light cone of diamond-grade light-reflecting film | |
| KR102200725B1 (en) | Method for manufacturing sheet casting mold and apparatus for the same and retroreflection sheet | |
| EP2360498B1 (en) | Retroreflective article | |
| US20150355393A1 (en) | Cube corner reflector and methods thereof | |
| JP2009198877A (en) | Triangular pyramid-shaped cube corner retroreflection article | |
| KR101937230B1 (en) | Cube-corner type retroreflective sheet | |
| CN213814011U (en) | Reflecting sheet and reflecting equipment thereof | |
| EP4321352A1 (en) | Structure for enhancing sidewall marking contrast and tire with the same | |
| CN102444065A (en) | Block having projections for forming joint | |
| KR20140033292A (en) | Method for manufacturing master mold for production retro-reflector | |
| JP2015140558A (en) | building board | |
| EP2283997B1 (en) | Die for manufacturing retroreflective material | |
| CA1096832A (en) | Retroreflector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150812 |