CN103104883A - Light guiding lens and light emitting diode (LED) lamp - Google Patents
Light guiding lens and light emitting diode (LED) lamp Download PDFInfo
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- CN103104883A CN103104883A CN201310023390XA CN201310023390A CN103104883A CN 103104883 A CN103104883 A CN 103104883A CN 201310023390X A CN201310023390X A CN 201310023390XA CN 201310023390 A CN201310023390 A CN 201310023390A CN 103104883 A CN103104883 A CN 103104883A
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- light guiding
- guiding lens
- light
- led
- locating rack
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Abstract
The invention discloses a light guiding lens and a light emitting diode (LED) lamp. The light guiding lens and the LED lamp comprise a strip-shaped body which is composed of an upper surface, a first side surface, a second side surface and a lower surface, and the strip-shaped body can extend along the length direction. The first side surface is vertically arranged. The second side surface is outwardly and obliquely arranged relative to the first side surface. The lower bottom edge of the second side surface is at least lower than the first side surface. Micro convex lenses are evenly distributed on the second side surface. The light guiding lens and the LED lamp can avoid a dazzling effect on eyes by strong directional irradiating light rays of a lamp bead, achieves the technical effect of restraining the dazzling phenomenon, has the advantages of being good in heat dissipation effect and lighting effect and soft in light, and achieves the purpose of a good lighting effect.
Description
Technical field
The present invention relates to a kind of LED lamp, relate in particular to a kind of light guiding lens and LED lamp.
Background technology
The light distribution of tradition LED light source in three dimensions has certain directionality, when the LED lighting source to indoor entire scope internal radiation the time, the weak light of the light that directive property is strong and directive property exists simultaneously, observation feels that the probability of dazzling the eyes will become greatly, particularly makes eyes be difficult to see clearly object or feel to dazzle and uncomfortable state.The mode that existing LED lamp generally takes light absorbing form, sacrificed the LED illuminating effect realizes anti-dazzle, thereby has reduced source efficiency.Therefore, how to address the above problem, be problem demanding prompt solution.
Summary of the invention
The present invention aims to provide that a kind of light is soft, irradiating angle is wide, source efficiency is high and the light guiding lens of good illumination effect and use the LED lamp of this light guiding lens.
Technical scheme of the present invention is achieved in that a kind of light guiding lens, comprise by upper surface, the first side surface, the second side surface and lower surface and consist of the stripe shape body that can extend along its length, wherein: the first side surface is erects setting, the second side surface is outward-dipping setting with respect to the first side surface, the bottom of the second side is at least lower than the first side, along being laid with the dimpling lens on the second side surface, lower surface integral body is curved and be made of the multiple little arc that is connected successively.A plurality of tiny dimpling lens are refracted on table top more equably by the light of horizontal direction, realize solving dazzle and ghost image problem.Lower surface is curved corresponding with the dimpling lens to expand at emitting surface, wherein to arrange the multiple little arc that is connected successively, consists of secondary and expands the technique effect that amplifies light at emitting surface.
Above-mentioned a kind of light guiding lens, the second side surface is 15～65 degree angle outer incline settings with respect to the first side surface.Effectively with the horizontal direction light refraction to the table face, the face naked eyes of keeping away are directly seen dazzling light source.
Above-mentioned a kind of light guiding lens, upper surface are and are horizontally disposed with.To form the reflecting surface of end face light source, light is upwards reflected downwards.
Above-mentioned a kind of light guiding lens, stripe shape body both ends are provided with holder.Fix with lamp body by holder and fix.
Above-mentioned a kind of light guiding lens is equipped with reflector layer along upper surface and the second side surface.Make upper surface and the second side surface form the technique effect that reflecting surface is realized usable reflection light by reflector layer.
Above-mentioned a kind of light guiding lens, stripe shape body are the poly-methyl-prop diluted acid formicester material of transparent acrylic (PMMA).
A kind of LED lamp comprises LED light source, locating rack, and it comprises light guiding lens described above, and the first side surface of locating rack location LED light source and light guiding lens is vertically opposite.
Above-mentioned a kind of LED lamp comprises the light guiding lens of two symmetrical settings in left and right fitting between the upper surface of locating rack and two light guiding lens and the second side surface that its Surface Machining is reflective surface, and the bottom surface of two light guiding lens is connected and consists of whole circular arc.Locate light guiding lens and the relative position of LED light source in housing by locating rack, and the upper surface by wherein and the reflective surface of the second side surface evenly penetrate all light reflections to lower surface, light is refracted on table top more equably, solves dazzle and ghost image problem.
Above-mentioned a kind of LED lamp, LED light source comprises radiating seat, wiring board and lamp pearl, radiating seat is the downward long trough of notch, comprises both sides trough rim and bottom land, wiring board is located respectively in trough rim inboard, both sides, two light guiding lens are positioned in groove by locating rack, and the whole semicircular arc of the connected formation of the bottom surface of two light guiding lens exposes outside radiating seat.Realize the technique effect of effective in the time of the radiating seat snaps into position light guiding lens of long trough and locating rack and LED light source, and have the simple technique effect of package assembly.
Be provided with the radiating groove of upward opening in locating rack, radiating groove is relative with the bottom land of radiating seat.Radiating groove forms heat-dissipating space and radiating seat forms the technique effect that convection current heat conduction realizes convection current acceleration heat radiation.
After the present invention adopts said structure, the first side surface that light guiding lens is located LED light source and light guiding lens by locating rack is vertically opposite, the first side surface of light guiding lens is for erectting the light source approaching face that arranges, import from erectting the first side surface that arranges with relative light source, upper surface is to be horizontally disposed with the reflecting surface that forms the end face light source, and light is upwards reflected downwards.The second side surface is the together reflection downwards of light that the reflecting slant of inclined-plane setting makes light source levels light and upper surface reflection, be laid with inboard formation of cambered outwards dimpling lens along the surface on inclined-plane and allow the light of horizontal direction be refracted to more equably on table top, to solve dazzle and ghost image problem.The second side is realized covering fully light source lower than the first side at least and is realized reflection fully.Lower surface consists of arc by the multiple little arc that is connected successively and amplifies face to enlarge shadow surface.
The present invention compared with prior art has following feature: 1. light guiding lens includes two kinds of different optical mirror planes, the first is the multiple arc-shaped curved surface that is connected successively at the lower surface of lens bottom, purpose is all light refractions to be arrived same direction as far as possible, reduces the waste of light source.It two is that the minute surface of the second side is to contain a plurality of tiny dimpling lens on 45 degree inclined-planes, light guiding lens the place ahead, and purpose allows the light of horizontal direction be refracted to more equably on table top, solves dazzle and ghost image problem.2. light refraction is arrived same direction as far as possible, promote source efficiency.Light guiding lens with 15～65 the degree angular direction with the horizontal direction light refraction to the table face, avoid naked eyes directly to see dazzling light source.4. light guiding lens can arbitrarily stretch or shorten to length direction, but the more designing requirement of resilient engagement different LED quantity.5. material: transparent acrylic (PMMA) gathers methyl-prop diluted acid formicester.Forming by the dimpling lens on the second side that is the inclined-plane setting light birefringence and the amplification that the first side is imported, again the lower surface by light guiding lens bottom be multiple arc-shaped curved surface as far as possible all light refractions to same direction, avoid the highly directive irradiation light of lamp pearl to produce the dazzle effect to eyes, realize suppressing the technique effect of glare phenomenon.The present invention has heat radiation and good illumination effect, the technique effect that light is soft, and the present invention is specially adapted to desk lamp and uses.
Description of drawings
The present invention is described in further detail below in conjunction with the embodiment in accompanying drawing, but do not consist of any limitation of the invention.
Fig. 1 is cross-sectional structure schematic diagram of the present invention;
Fig. 2 is the plan structure schematic diagram of Fig. 1;
Fig. 3 is the right TV structure schematic diagram of Fig. 2;
Fig. 4 is the left TV structure schematic diagram of Fig. 2;
Fig. 5 is the structural representation of looking up of Fig. 2;
Fig. 6 is that the present invention is along the perspective view of the second side face directions;
Fig. 7 is that the present invention is along the perspective view of the first side surface and lower surface direction;
Fig. 8 is the structural representation of the concrete enforcement state of light guiding lens of the present invention;
Fig. 9 is the cross-sectional structure schematic diagram that LED luminaire body of the present invention is implemented state;
Figure 10 is the local structure for amplifying schematic diagram of Fig. 9;
Figure 11 is the plan structure schematic diagram of Fig. 8;
Figure 12 is the A-A cross-sectional view of Fig. 9;
Figure 13 is the three-dimensional disassembly and assembly structure schematic diagram that the present invention specifically implements state;
Figure 14 is the light computer simulation distribution map that the present invention specifically implements state;
Figure 15 is the computer for analysis figure that the present invention specifically implements the light intensity of state;
Figure 16 is the light circular scope distribution map that the present invention specifically implements state.
In figure: stripe shape body 1, upper surface 11, the first side surface 12, the second side surfaces 13, lower surface 14, dimpling lens 15, holder 16, LED light source 2, locating rack 3, reflector layer 31.
The specific embodiment
Consult shown in Fig. 1～13, a kind of light guiding lens of the present invention, comprise by upper surface 11, the first side surface 12, the second side surface 13 and lower surface 14 and consist of the stripe shape body 1 that can extend along its length, the first side surface 12 is erects setting, the second side surface 13 is outward-dipping setting with respect to the first side surface 12, the bottom of the second side is at least lower than the first side, along being laid with dimpling lens 15 on the second side surface 13, lower surface 14 is circular arc, is made of the multiple little arc that is connected successively.The height of the second side is that 2～3 times of the first side are good.
The second side surface 13 is 15～65 degree angle outer incline settings with respect to the first side surface 12, and wherein miter angle is best.
Be equipped with reflector layer along upper surface 11 and the second side surface 13.
As shown in Fig. 1～6, the present invention is when concrete the use, and a kind of LED lamp comprises LED light source 2, locating rack 3, light guiding lens and shell 4, and locating rack 3 location LED light sources 2 are vertically opposite with the first side surface 12 of light guiding lens; Shell 4 comprises upper casing frame 41 and lower clamshell 42.
The light guiding lens that comprises two symmetrical settings in left and right fits between the upper surface 11 of locating rack 3 and two light guiding lens and the second side surface 13, and its Surface Machining is the whole semicircular arc of the connected formation of bottom surface of reflective surface 31, two light guiding lens.
Locating rack 3 is that ABS or PC plastic cement material consist of.
Be provided with the radiating groove 31 of upward opening in locating rack 3, radiating groove 31 is relative with the bottom land of radiating seat 21.
the first side surface that light guiding lens is located LED light source and light guiding lens by locating rack is vertically opposite, the first side surface 12 of light guiding lens 1 is for erectting the light source approaching face that arranges, import from erectting the first side surface 12 that arranges with relative light source, upper surface is that horizontally disposed top light source reflecting surface reflects light upwards downwards, the second side surface is the together reflection downwards of light that the reflecting slant of inclined-plane setting makes light source levels light and upper surface reflection, being laid with inboard formation of cambered outwards dimpling lens along the surface on inclined-plane allows the light of horizontal direction be refracted to more equably on table top, to solve dazzle and ghost image problem.The second side is realized covering fully light source lower than the first side at least and is realized reflection fully.Lower surface consists of arc by the multiple little arc that is connected successively and amplifies face to enlarge shadow surface.
The present invention is as specification and diagramatic content, makes actual sample and through repeatedly use test.From the effect of use test, as shown in the light computer simulation distribution map of Figure 14, light guiding lens of the present invention realizes catching sufficient light to same direction as far as possible, reduces the light source waste.As shown in figure 15, with distance light source 397mm test, its average photometric: ~ 141lux, high light degree: ~ 906.97lux, compared with prior art, the present invention realizes reducing the light source waste, promotes light intensity.As shown in the light circular scope distribution map of Figure 16, the present invention realizes the technique effect of shadow surface broadness.Above-mentioned computer experiment test figure proves that the present invention can reach the purpose that it is expected, practical value is unquestionable.
In sum, above illustrated embodiment only is used for conveniently illustrating the present invention, is not that the present invention is done any pro forma restriction, consists of the structure of a group as the present invention by a light guiding lens and corresponding LED light source, and its length direction is changeable all can be realized.The reflective surface 31 of the upper surface 11 of light guiding lens and the second side surface 13 correspondences can be processed on the locating rack that fits, and also can directly process on the surface of upper surface 11 and the second side surface 13, realizes that the technique effect of formation reflecting surface just can.Can regulate the spacing of bottom between the light guiding lens of two symmetries, can be according to the second side surface 13 with respect to the angle of the first side surface 12 and the spacing that matches of adjusting highly.
Have in technical field under any and usually know the knowledgeable, if in the scope that does not break away from technical characterictic that the present invention carries, utilize disclosed technology contents to make the local equivalent embodiment that changes or modify, and do not break away from technical characterictic content of the present invention, all still belong in the scope of the technology of the present invention feature.
Claims (10)
1. light guiding lens, comprise by upper surface (11), the first side surface (12), the second side surface (13) and lower surface (14) and consist of the stripe shape body (1) that can extend along its length, it is characterized in that: the first side surface (12) is erects setting, the second side surface (13) is outward-dipping setting with respect to the first side surface (12), the bottom of the second side is at least lower than the first side, along being laid with dimpling lens (15) on the second side surface (13), lower surface (14) is whole curved and be made of the multiple little arc that is connected successively.
2. a kind of light guiding lens according to claim 1 is characterized in that: the second side surface (13) is 15～65 degree angle outer incline settings with respect to the first side surface (12).
3. a kind of light guiding lens according to claim 1 is characterized in that: upper surface (11) is and is horizontally disposed with.
4. a kind of light guiding lens according to claim 1 is characterized in that: stripe shape body (1) both ends are provided with holder (16).
5. a kind of light guiding lens according to claim 1, is characterized in that: be equipped with reflector layer along upper surface (11) and the second side surface (13).
6. a kind of light guiding lens according to claim 2 is characterized in that: stripe shape body (1) is the poly-methyl-prop diluted acid formicester material of transparent acrylic (PMMA).
7. a LED lamp, comprise LED light source (2), locating rack (3), it is characterized in that: comprise as the described light guiding lens of above-mentioned arbitrary claim, locating rack (3) location LED light source (2) is vertically opposite with first side surface (12) of light guiding lens.
8. a kind of LED lamp according to claim 7, it is characterized in that: the light guiding lens that comprises two symmetrical settings in left and right, fit between the upper surface (11) of locating rack (3) and two light guiding lens and the second side surface (13), its Surface Machining is reflective surface (31), and the bottom surface of two light guiding lens is connected and consists of whole circular arc.
9. a kind of LED lamp according to claim 7, it is characterized in that: LED light source (2) comprises radiating seat (21), wiring board (22) and lamp pearl (23), radiating seat (21) is the downward long trough of notch, comprises both sides trough rim and bottom land, wiring board (22) is located respectively in trough rim inboard, both sides, two light guiding lens are positioned in groove by locating rack (3), and the whole semicircular arc of the connected formation of the bottom surface of two light guiding lens exposes outside radiating seat (21).
10. a kind of LED lamp according to claim 9, it is characterized in that: be provided with the radiating groove (31) of upward opening in locating rack (3), radiating groove (31) is relative with the bottom land of radiating seat (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310023390.XA CN103104883B (en) | 2013-01-22 | 2013-01-22 | Light guiding lens and light emitting diode (LED) lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310023390.XA CN103104883B (en) | 2013-01-22 | 2013-01-22 | Light guiding lens and light emitting diode (LED) lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103104883A true CN103104883A (en) | 2013-05-15 |
| CN103104883B CN103104883B (en) | 2015-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310023390.XA Expired - Fee Related CN103104883B (en) | 2013-01-22 | 2013-01-22 | Light guiding lens and light emitting diode (LED) lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103104883B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104806936A (en) * | 2015-03-25 | 2015-07-29 | 厦门立达信照明有限公司 | LED lighting device |
| CN108983371A (en) * | 2017-05-31 | 2018-12-11 | 欧司朗有限公司 | Guiding device, mobile communication equipment, protective case, communication system and communication means |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206234683U (en) * | 2016-11-07 | 2017-06-09 | 深圳市康铭盛科技实业股份有限公司 | A kind of desk lamp for being easy to assemble |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101457892A (en) * | 2007-12-14 | 2009-06-17 | 株式会社小糸制作所 | Vehicle lamp assembly |
| CN202253364U (en) * | 2011-08-19 | 2012-05-30 | 深圳市百康光电有限公司 | Led road traffic signal lamp lens |
| WO2012072188A1 (en) * | 2010-12-03 | 2012-06-07 | Docter Optics Gmbh | Headlight lens for a vehicle headlight |
| CN203273696U (en) * | 2013-01-22 | 2013-11-06 | 东莞明新塑胶制品有限公司 | Light guide lens and LED (light emitting diode) lamp |
-
2013
- 2013-01-22 CN CN201310023390.XA patent/CN103104883B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101457892A (en) * | 2007-12-14 | 2009-06-17 | 株式会社小糸制作所 | Vehicle lamp assembly |
| WO2012072188A1 (en) * | 2010-12-03 | 2012-06-07 | Docter Optics Gmbh | Headlight lens for a vehicle headlight |
| CN202253364U (en) * | 2011-08-19 | 2012-05-30 | 深圳市百康光电有限公司 | Led road traffic signal lamp lens |
| CN203273696U (en) * | 2013-01-22 | 2013-11-06 | 东莞明新塑胶制品有限公司 | Light guide lens and LED (light emitting diode) lamp |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104806936A (en) * | 2015-03-25 | 2015-07-29 | 厦门立达信照明有限公司 | LED lighting device |
| CN108983371A (en) * | 2017-05-31 | 2018-12-11 | 欧司朗有限公司 | Guiding device, mobile communication equipment, protective case, communication system and communication means |
| CN108983371B (en) * | 2017-05-31 | 2022-05-17 | 欧司朗有限公司 | Light guide device, mobile communication equipment, protective sleeve, communication system and communication method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103104883B (en) | 2015-04-08 |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20150408 Termination date: 20170122 |