CN101469837A - Flexibile illuminating device - Google Patents
Flexibile illuminating device Download PDFInfo
- Publication number
- CN101469837A CN101469837A CNA2007103054319A CN200710305431A CN101469837A CN 101469837 A CN101469837 A CN 101469837A CN A2007103054319 A CNA2007103054319 A CN A2007103054319A CN 200710305431 A CN200710305431 A CN 200710305431A CN 101469837 A CN101469837 A CN 101469837A
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- light
- flexibile
- illuminating device
- pliability
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Abstract
A flexible lighting device comprises at least a light source and a flexible light conductor provided with at least a light-exiting surface and at least a light-incoming surface, wherein at least one surface of the flexible light conductor, except for the light-incoming surface, is provided with a plurality of microstructures. The light source is arranged at the light-incoming surface of the flexible light conductor, wherein, after light produced by the light source enters into the flexible light conductor, the microstructure can destruct its total reflection, so the light can be emitted from the light-exiting surface.
Description
Technical field
The invention relates to a kind of Flexibile illuminating device, and particularly relevant for a kind of light-emitting device that spot light can be converted to the arbitrary shape illuminator.
Background technology
In recent years, because the luminous efficiency of light emitting diode constantly promotes, make light emitting diode replace fluorescent lamp and white flag bulb in a lot of fields gradually, for example need the Dashboard illumination, traffic signal light of at a high speed scanner lamp source, Backlight For Liquid Crystal Display Panels or the front light-source automobile of reaction, general lighting apparatus, and the light source of projector etc.Because the luminescence phenomenon of light emitting diode is not by adding thermoluminescence or Discharge illuminating, but it is luminous to belong to cold property, so the life-span of light emitting diode reached more than 100,000 hours.In addition, light emitting diode has more reaction speed and (is about 10 soon
-9Second), little, the low electric power consumption amount of volume, low pollution, high-reliability, be fit to advantages such as volume production, so the applicable field of light emitting diode institute is very extensive.Yet,, its application is restricted owing to light emitting diode is spot light and has very strong directive property.
U.S. Pat 6,280,044 has a kind of light-emitting device that is used for backlight module of exposure, and it comprises leaded light bar, LED source and LGP, wherein is formed with a plurality of V-grooves on a wherein surface of leaded light bar.After light that LED source produced entered the leaded light bar, light can penetrate from this leaded light bar uniformly, cooperates LGP again and transfers linear light sources to face type light source so that spot light changes over linear light sources.But the light-emitting device of this patent is to be applied to backlight module, and strip leaded light bar is the rectangle column structure of rigidity.
Summary of the invention
In view of this, the invention provides a kind of Flexibile illuminating device, it can convert spot light to the illuminator of arbitrary shape.
The present invention proposes a kind of Flexibile illuminating device, and it comprises an at least one light source and a pliability light conductor.The deflection radian radius of curvature of pliability light conductor is less than 30cm.The pliability light conductor has at least one light-emitting face and at least one light entrance face, wherein has a plurality of micro-structurals at least one surface of pliability light conductor except light entrance face.Light source is disposed at by the light entrance face of pliability light conductor, and wherein the light that light source produced enters after the pliability light conductor, and above-mentioned micro-structural can be destroyed its total reflection and light is penetrated from light-emitting face.
In one embodiment of this invention, above-mentioned Flexibile illuminating device can further comprise the reflecting layer, is positioned at the surface of pliability light conductor except light-emitting face and light entrance face.
In one embodiment of this invention, above-mentioned light source is single light emitting diode or light emitting diode matrix.
In one embodiment of this invention, the above-mentioned pliability light conductor pliability light conductor that is restorability or the pliability light conductor of irrecoverable property.
In one embodiment of this invention, the cross section of above-mentioned pliability light conductor is polygon, circle, ellipse or irregular shape.
In one embodiment of this invention, this light-emitting face of above-mentioned pliability light conductor comprises plane, curved surface or wavy surface.
In one embodiment of this invention, the material of above-mentioned pliability light conductor comprises UV-cured resin or silica gel.
In one embodiment of this invention, above-mentioned each micro-structural comprises semicylinder, semiellipse cylinder, polygonal cylinder, orbicule or angle centrum.
In one embodiment of this invention, above-mentioned each micro-structural comprises semicolumn groove, semiellipse post channel, chondritic groove or polygonal column groove.
In one embodiment of this invention, have spacing between the above-mentioned adjacent micro-structural, and spacing is along with successively decreasing away from the direction of light entrance face.
In one embodiment of this invention, the size of above-mentioned micro-structural is along with increasing away from the direction of light entrance face.
In one embodiment of this invention, the area of section between above-mentioned each micro-structural and the pliability light conductor is less than 4mm
2, preferably between 4mm
2～500nm
2
In one embodiment of this invention, the height of above-mentioned each micro-structural is less than the square root of the area of section between micro-structural and the pliability light conductor.
In one embodiment of this invention, the spacing d between above-mentioned adjacent two micro-structurals is less than 5mm, preferably between 5mm～10 μ m.
In one embodiment of this invention, above-mentioned light source is formed by the light emitting diode combined of at least one coloured light.
In one embodiment of this invention, above-mentioned Flexibile illuminating device also comprises an adjusting device, and itself and light source electrically connect.
Flexibile illuminating device of the present invention is to utilize light source in conjunction with the pliability light conductor with micro-structural, and it can make spot light convert the illuminator of arbitrary shape to.Therefore above-mentioned Flexibile illuminating device and use the lighting apparatus of this Flexibile illuminating device can be according to the user required or spatial design and present arbitrary shape.
For above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, embodiment cited below particularly, and cooperate appended graphicly, be described in detail below.
Description of drawings
Fig. 1 is the Flexibile illuminating device schematic diagram of one embodiment of the invention.
Fig. 2 is the Flexibile illuminating device schematic diagram of another embodiment of the present invention.
Fig. 3 A to Fig. 3 E is the schematic diagram of pliability light conductor.
Fig. 4 to Fig. 9 is the Flexibile illuminating device schematic diagram of a plurality of embodiment of the present invention.
Figure 10 is the lighting apparatus schematic diagram of one embodiment of the invention.
Figure 11 is under the different condition of the depth of microstructure (highly) of Flexibile illuminating device, the graph of a relation of visual angle and luminous intensity.
Figure 12 is under the different condition of the spacing between the micro-structural of Flexibile illuminating device, the graph of a relation between visual angle and the luminous intensity.
The main element symbol description
100: Flexibile illuminating device
110: light source
110a, 110b: light
120: the pliability light conductor
122: light-emitting face
124: light entrance face
126: micro-structural
D: spacing
130: the reflecting layer
500: lighting apparatus
The specific embodiment
Fig. 1 is the Flexibile illuminating device schematic diagram of one embodiment of the invention.Please refer to Fig. 1, Flexibile illuminating device 100 comprises an at least one light source 110 and a pliability light conductor 120.Wherein, pliability light conductor 120 has at least one light-emitting face 122 and at least one light entrance face 124, and at least one surface except light entrance face 124 has a plurality of micro-structurals 126, and in addition, light source 110 is disposed at light entrance face 124 sides of pliability light conductor 120.The light that light source 110 is produced enters after the pliability light conductor 120, and micro-structural 126 can be destroyed its total reflection and light is penetrated from light-emitting face 122.More detailed description is, because pliability light conductor 120 has a plurality of micro-structurals 126 at least one surface except light entrance face 124, therefore the light 110a that is produced when light source 110 enters arbitrary surface of pliability light conductor 120, most light will transmit in pliability light conductor 120 in the mode of total reflection, run into surface up to light, and total reflection will be destroyed in the surface with micro-structural 126 and light 110b is penetrated by light-emitting face 122 with micro-structural 126.In other words, because the existence of micro-structural 126, light can be only not luminous in the rear and front end of light conductor 120, but mainly can be penetrated by the corresponding surface that disposes micro-structural 126.
In the present embodiment, micro-structural 126 is the structure kenels that protrude in pliability light conductor 120, and it for example is semicylinder, semiellipse cylinder, polygonal cylinder, orbicule or angle centrum.But the invention is not restricted to this, in other embodiments, micro-structural also can be the structure kenel of recessed pliability light conductor, as shown in Figure 2.In the micro-structural 126 that Fig. 2 illustrated are micro-structurals of groove kenel, and it can be semicolumn groove, semiellipse post channel, chondritic groove or polygonal column groove.In one embodiment, the area of section between each micro-structural 126 and the pliability light conductor 120 is less than 4mm
2, preferably between 4mm
2～500nm
2In addition, the height of micro-structural 126 is less than the square root of above-mentioned area of section.What deserves to be mentioned is, can also control the dispersion angle of light by the height of adjusting micro-structural 126.
In addition, the cross section of pliability light conductor 120 can be polygon, circle, ellipse or irregular shape.For example, as shown in Figure 1, the external form of pliability light conductor 120 is a square column type.Certainly, the external form of pliability light conductor 120 can also be triangular prism, distortion post or the cylinder shown in Fig. 3 A to 3C, can also be polygon post or the flat board shown in Fig. 3 D and 3E.Particularly, pliability light conductor 120 is the pliability light conductor of restorability or the pliability light conductor of irrecoverable property.If pliability light conductor 120 is irrecoverable property, it will be fixed into this shape after distortion or deformation so, unless there is external force to make it produce deformation again.If pliability light conductor 120 is restorabilitys, represent it after distortion or deformation, the fixture that need are seen through other is this fixed in shape, otherwise will revert to original shape voluntarily.No matter be to adopt can recover or expendable pliability light conductor, it all can twist arbitrarily or deformation.In one embodiment, the flexible degree of pliability light conductor 120 is that deflection radian radius of curvature is less than 30cm.In addition, the material of pliability light conductor 120 is a translucent material, and it for example is UV-cured resin or silica gel.
In addition, please refer to Fig. 1 and Fig. 2, for the light that light source 110 is produced can evenly penetrate from the light-emitting face 122 of pliability light conductor 120, have a spacing d between the adjacent micro-structural 126, and spacing d is along with successively decreasing away from the direction of light entrance face 124.In another embodiment, for the light that light source 110 is produced can evenly penetrate from the light-emitting face 122 of pliability light conductor 120, the size of micro-structural 126 is along with increasing away from the direction of light entrance face 124.In one embodiment, the spacing d between the micro-structural 126 is less than 5mm, preferably between 5mm～10 μ m.It should be noted that by the spacing of adjusting between the micro-structural 126 (density of micro-structural just), can also adjust the intensity that light penetrates.
Figure 11 is under the condition of depth of microstructure/highly different of Flexibile illuminating device, the graph of a relation of visual angle and brightness.Figure 12 is under the different condition of the spacing between the micro-structural of Flexibile illuminating device, the graph of a relation between visual angle and the luminous intensity.Please earlier with reference to Figure 11, Figure 11 tests with the pliability light conductor with long 126mm, wide 32mm, high 2.5mm, and wherein the radius of its micro-structural is the semiglobe of 80 μ m.When the degree of depth/thickness of micro-structural is 5 μ m, 10 μ m, 30 μ m, 40 μ m, 80 μ m, the graph of a relation of visual angle and the luminous intensity of the Flexibile illuminating device that measured.As shown in Figure 11, by the degree of depth/thickness of adjusting micro-structural, can adjust the luminous intensity of light-emitting device.Therefore, the user can adjust the degree of depth/thickness of micro-structural according to the required situation of reality.In addition, please refer to Figure 12, it is to test with the pliability light conductor with long 126mm, wide 32mm, high 2.5mm equally, and the radius of wherein fixing its micro-structural is that the 80 μ m and the degree of depth are the semiglobe of 20 μ m.When the spacing between the micro-structural is dwindled 5%, 10%, 20%, 30%, the graph of a relation of visual angle and the luminous intensity of the Flexibile illuminating device that measured.As shown in Figure 12, along with dwindle (increase of micro-structural density) of spacing, luminous intensity can be big more.Therefore, the user can adjust the spacing of micro-structural according to the required situation of reality.
What deserves to be mentioned is that light source 110 can be single light emitting diode (as Fig. 1 and shown in Figure 2) or light emitting diode matrix, it is in the mode that embeds or attach, and the light entrance face 124 that is disposed at pliability light conductor 120 is other.Certainly, have in the affiliated technical field and know the visual actual needs of the knowledgeable usually, and select suitable light source 110.In one embodiment, light source 110 is formed by the light emitting diode combined of at least one coloured light, and just, light source 110 can be the light emitting diode of single colored light, or is made up of the light emitting diode of a plurality of coloured light.In addition, Flexibile illuminating device also comprises an adjusting device 150, and itself and light source 110 electrically connect.Utilize adjusting device 150, the brightness that can set light source 110 changes, opens or close, and just sets the changes of shade that light source 110 is sent.
Please continue with reference to figure 1, if wish the ejaculation amount of the light emergence face of enhancing Flexibile illuminating device, or wish that Flexibile illuminating device only needs the particular surface bright dipping, Flexibile illuminating device can further comprise a reflecting layer so.In the embodiment shown in fig. 1, Flexibile illuminating device 100 is forms of single face bright dipping, so reflecting layer 130 covers the surface of pliability light conductor 120 except light-emitting face 122 and light entrance face 124.When the incidence angle on arbitrary surface of the light incident pliability light conductor 120 of small part during less than the optics critical angle of material interface, can be by reflecting layer 130 with in the light reflected back pliability light conductor 120, continuation is transmitted in pliability light conductor 120, penetrate by light-emitting face 122 at last, that is to say, reflecting layer 130 can reflect back into the light that the surface of its covering is penetrated in the pliability light conductor 120, and prevents that light from being penetrated by the surface beyond the light-emitting face 122.
Certainly, it is the single face bright dipping that the present invention does not limit Flexibile illuminating device, it can also be the multiaspect bright dipping, the therefore product design of visual reality and reflecting layer 130 is set in a surface, two surfaces or three surfaces of pliability light conductor 120, or fully reflecting layer 130 is not set.What deserves to be mentioned is, above-mentioned reflecting layer 130 can directly cover the surface of pliability light conductor except light-emitting face 122 and light entrance face 124 in the mode that attaches, also can use the reflection coating film treatment, directly be plated in the surface of pliability light conductor 120 except light-emitting face 122 and light entrance face 124.
The light-emitting face 122 of the described pliability light conductor 120 of the various embodiments described above is planes, and so in the present invention, the light-emitting face 122 of pliability light conductor 120 can also be curved surface or wavy surface, below will lift several examples and illustrate.As shown in Figure 4, pliability light conductor 120 is crooked strip shape, and it is the distortion of Y direction, thereby light emergence face 122 is a flexure plane.In Fig. 5, pliability light conductor 120 is another kind of crooked strip shapes, and it is the distortion of Z direction, thereby light emergence face 122 is the plane.In Fig. 6, pliability light conductor 120 is cylinder distortion strip shape, and micro-structural 126 is along the cylinder surface setting, so light will be from penetrating for the zone that disposes micro-structural 126, thereby whole cylinder surface all can be luminous.In Fig. 7, the light emergence face 122 of pliability light conductor 120 is a wavy surface, when light when wavy light emergence face 122 penetrates, can present multi-level illumination effect.In Fig. 8 and Fig. 9, illustrate light-emitting face can be inner sunken face or outer convex surface respectively.
Comprehensive the above, Flexibile illuminating device proposed by the invention can present arbitrary shape according to user or spatial design.In addition, if the variation of collocation light emergence face can also make the light that penetrates present various illumination effects.Therefore, Flexibile illuminating device proposed by the invention can be applied to multiple application, for example the portable type light-emitting device, have special formed light-emitting device or lighting apparatus or the like.
Above-mentioned Flexibile illuminating device is applied to lighting apparatus as shown in figure 10, lighting apparatus 500 comprises a plurality of Flexibile illuminating devices 100, wherein each Flexibile illuminating device comprises an at least one light source 110 and a pliability light conductor 120, and the light source 110 of a plurality of Flexibile illuminating devices 100 is serially connected each other.Certainly, Figure 10 has in the affiliated technical field and knows the visual actual needs of the knowledgeable usually only in order to illustrative, and the arrangement position of suitable adjustment Flexibile illuminating device 100 or the pliability light conductor 120 of employing appropriate format or shape.For example, a plurality of Flexibile illuminating devices 100 can be designed to umbrella and arrange, or a plurality of Flexibile illuminating devices 100 with distortion post pliability light conductor are arranged in together, have special formed light fixture with formation.
In addition, this lighting apparatus also comprises an adjusting device 150, and itself and light source 110 electrically connect.See through adjusting device 150 and can set the brightness variation of this lighting apparatus, Push And Release, color change or the like.Therefore, such lighting apparatus can be applied to decoration at home, shop or show window layout or the like application.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limit the present invention; have in the technical field under any and know the knowledgeable usually; without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention is as the criterion when looking the claim person of defining.
Claims (18)
1. Flexibile illuminating device comprises:
The pliability light conductor, wherein the deflection radian radius of curvature of this pliability light conductor has at least one light-emitting face and at least one light entrance face less than 30cm, and this pliability light conductor has a plurality of micro-structurals at least one surface except this light entrance face; And
At least one light source is disposed at by this light entrance face of this pliability light conductor, and wherein the light that this light source produced enters after this pliability light conductor, and this micro-structural can be destroyed its total reflection and light is penetrated from this light-emitting face.
2. Flexibile illuminating device as claimed in claim 1 also comprises the reflecting layer, is positioned at the surface of this pliability light conductor except this light-emitting face and this light entrance face.
3. Flexibile illuminating device as claimed in claim 1, wherein this light source is single light emitting diode or light emitting diode matrix.
4. Flexibile illuminating device as claimed in claim 1, wherein this pliability light conductor pliability light conductor that is restorability or the pliability light conductor of irrecoverable property.
5. Flexibile illuminating device as claimed in claim 1, wherein the cross section of this pliability light conductor is polygon, circle, ellipse or irregular shape.
6. Flexibile illuminating device as claimed in claim 1, wherein this light-emitting face of this pliability light conductor comprises plane, curved surface or wavy surface.
7. Flexibile illuminating device as claimed in claim 1, wherein the material of this pliability light conductor comprises UV-cured resin or silica gel.
8. Flexibile illuminating device as claimed in claim 1, wherein respectively this micro-structural comprises semicylinder, semiellipse cylinder, polygonal cylinder, orbicule or angle centrum.
9. Flexibile illuminating device as claimed in claim 1, wherein respectively this micro-structural comprises semicolumn groove, semiellipse post channel, chondritic groove or polygonal column groove.
10. Flexibile illuminating device as claimed in claim 1 have spacing between this wherein adjacent micro-structural, and this spacing is along with successively decreasing away from the direction of this light entrance face.
11. Flexibile illuminating device as claimed in claim 1, wherein the size of this micro-structural is along with increasing away from the direction of this light entrance face.
12. Flexibile illuminating device as claimed in claim 1, wherein respectively the area of section between this micro-structural and this pliability light conductor less than 4mm
2
13. Flexibile illuminating device as claimed in claim 1, wherein respectively the area of section between this micro-structural and this pliability light conductor between 4mm
2～500nm
2
14. Flexibile illuminating device as claimed in claim 1, the spacing d between two wherein adjacent micro-structurals is less than 5mm.
15. Flexibile illuminating device as claimed in claim 1, the spacing d between two wherein adjacent micro-structurals is between 5mm～10 μ m.
16. Flexibile illuminating device as claimed in claim 13, wherein respectively the height of this micro-structural less than the square root of this area of section.
17. Flexibile illuminating device as claimed in claim 1, wherein this light source is formed by the light emitting diode combined of at least one coloured light.
18. Flexibile illuminating device as claimed in claim 1 also comprises adjusting device, itself and this light source electrically connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007103054319A CN101469837A (en) | 2007-12-28 | 2007-12-28 | Flexibile illuminating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007103054319A CN101469837A (en) | 2007-12-28 | 2007-12-28 | Flexibile illuminating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101469837A true CN101469837A (en) | 2009-07-01 |
Family
ID=40827558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007103054319A Pending CN101469837A (en) | 2007-12-28 | 2007-12-28 | Flexibile illuminating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101469837A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102537712A (en) * | 2010-12-07 | 2012-07-04 | 财团法人工业技术研究院 | Flexible light source module |
| CN102913854A (en) * | 2011-07-31 | 2013-02-06 | 华新丽华股份有限公司 | Light guide plate capable of adjusting light-emitting angle, lighting device capable of adjusting light-emitting angle and method for adjusting light-emitting angle |
| CN102121673B (en) * | 2010-01-11 | 2013-07-17 | 上海科斗电子科技有限公司 | Photocuring lamp |
| CN104160206A (en) * | 2012-01-04 | 2014-11-19 | 标致·雪铁龙汽车公司 | Light guide and vehicle with such a light guide |
| CN105650518A (en) * | 2014-11-12 | 2016-06-08 | 常州亚玛顿股份有限公司 | Illuminating lamp |
| WO2020091709A1 (en) * | 2018-10-29 | 2020-05-07 | Eae Elektrik Aydinlatma Endustrisi Sanayi Ve Ticaret Anonim Sirketi | Developed lighting fixture with light guided plate |
| CN114159698A (en) * | 2020-09-10 | 2022-03-11 | 明志科技大学 | Luminous comb |
-
2007
- 2007-12-28 CN CNA2007103054319A patent/CN101469837A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121673B (en) * | 2010-01-11 | 2013-07-17 | 上海科斗电子科技有限公司 | Photocuring lamp |
| CN102537712A (en) * | 2010-12-07 | 2012-07-04 | 财团法人工业技术研究院 | Flexible light source module |
| US8636381B2 (en) | 2010-12-07 | 2014-01-28 | Industrial Technology Research Institute | Flexible light source module |
| CN102913854A (en) * | 2011-07-31 | 2013-02-06 | 华新丽华股份有限公司 | Light guide plate capable of adjusting light-emitting angle, lighting device capable of adjusting light-emitting angle and method for adjusting light-emitting angle |
| US8632237B2 (en) | 2011-07-31 | 2014-01-21 | Walsin Lihwa Corporation | Light guide plate with adjustable illumination angle, illumination device with adjustable illumination angle, and method for adjusting illumination angle thereof |
| CN104160206A (en) * | 2012-01-04 | 2014-11-19 | 标致·雪铁龙汽车公司 | Light guide and vehicle with such a light guide |
| CN105650518A (en) * | 2014-11-12 | 2016-06-08 | 常州亚玛顿股份有限公司 | Illuminating lamp |
| WO2020091709A1 (en) * | 2018-10-29 | 2020-05-07 | Eae Elektrik Aydinlatma Endustrisi Sanayi Ve Ticaret Anonim Sirketi | Developed lighting fixture with light guided plate |
| CN114159698A (en) * | 2020-09-10 | 2022-03-11 | 明志科技大学 | Luminous comb |
| CN114159698B (en) * | 2020-09-10 | 2024-03-15 | 明志科技大学 | Luminous comb |
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Open date: 20090701 |