CN103104883B - 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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- CN103104883B CN103104883B CN201310023390.XA CN201310023390A CN103104883B CN 103104883 B CN103104883 B CN 103104883B CN 201310023390 A CN201310023390 A CN 201310023390A CN 103104883 B CN103104883 B CN 103104883B
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- light guiding
- guiding lens
- light
- led
- light source
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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, particularly relate to a kind of light guiding lens and LED.
Background technology
The light distribution of Conventional LED light sources in three dimensions has certain directionality, when LED illumination light source is to indoor entire scope internal radiation time, the light that directive property is strong and the weak light of directive property exist simultaneously, observe and feel that the probability of dazzling the eyes will become large, particularly make eyes be difficult to see object clearly or feel to dazzle and uncomfortable state.Existing LED generally takes light absorbing form, sacrifice the mode of LED illumination effect realizes anti-dazzle, thus reduces source efficiency.Therefore, how solving the problem, is 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 of this light guiding lens.
Technical scheme of the present invention is achieved in that a kind of light guiding lens, comprise and form the stripe shape body that can extend along its length by upper surface, the first side surface, the second side surface and lower surface, wherein: the first side surface is arranged in erectting, second side surface is outward-dipping setting relative to the first side surface, the bottom of the second side surface is at least lower than the first side surface, be laid with dimpling lens along on the second side surface, lower surface entirety curved and by multiple be successively connected little arc form.Multiple tiny dimpling lens are more uniformly refracted on table top by the light of horizontal direction, realize solving dazzle and ghost problems.Lower surface curved with expand emitting surface, wherein arrange multiple be successively connected little arc corresponding with dimpling lens, form secondary expand emitting surface carry out amplification light technique effect.
Above-mentioned a kind of light guiding lens, the second side surface is that 15 ~ 65 degree of angle outer inclines are arranged relative to the first side surface.Effectively by horizontal direction light refraction on table face, the face naked eyes of keeping away directly see dazzling light source.
Above-mentioned a kind of light guiding lens, upper surface is in being 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 is fixing.
Above-mentioned a kind of light guiding lens, is equipped with reflector layer along upper surface and the second side surface.Upper surface and the second side surface is made to form the technique effect that reflecting surface realizes usable reflection light by reflector layer.
Above-mentioned a kind of light guiding lens, stripe shape body is the poly-methacrylate formicester material of transparent acrylic (PMMA).
A kind of LED, comprise LED light source, locating rack, 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, comprises the light guiding lens of about two pieces symmetrical settings, and fit between the upper surface of locating rack and two light guiding lens and the second side surface, its Surface Machining is reflective surface, and the bottom surface of two light guiding lens is connected and forms overall circular arc.By locating rack location light guiding lens and LED light source relative position in the housing, and by the reflective surface of upper surface wherein and the second side surface, all light reflections are evenly penetrated to lower surface, light is more uniformly refracted on table top, solves dazzle and ghost problems.
Above-mentioned a kind of LED, 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, difference locating lines plate inside the trough rim of both sides, two light guiding lens are positioned in groove by locating rack, and the overall semicircular arc of the connected formation of bottom surface of two light guiding lens exposes outside radiating seat.Realize the technique effect of effective while the radiating seat snaps into position light guiding lens of long trough and locating rack and LED light source, and there is 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 and forms convective heat transfer and realize the technique effect that convection current accelerates to dispel the heat.
After the present invention adopts said structure, light guiding lens is vertically opposite by the first side surface of locating rack location LED light source and light guiding lens, first side surface of light guiding lens is erect the light source approaching face arranged, import from erectting the first side surface arranged with relative light source, upper surface is be horizontally disposed with the reflecting surface forming end face light source, and light is upwards reflected downwards.Second side surface is that the reflecting slant that inclined-plane is arranged makes the light of light source levels light and upper surface reflection together reflect downwards, surface along inclined-plane is laid with formation inside cambered outwards dimpling lens allows the light of horizontal direction more uniformly be refracted on table top, to solve dazzle and ghost problems.Second side surface at least realizes covering light source completely lower than the first side surface and realizes reflecting completely.Lower surface forms arc by the multiple little arc that is connected successively and amplifies face to expand 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 lower surface of the first bottom lens is the multiple arc-shaped curved surface be connected successively, object is tried one's best all light refractions to same direction, reduces the waste of light source.It two are minute surfaces of the second side surface is that object allows the light of horizontal direction more uniformly be refracted on table top containing multiple tiny dimpling lens on inclined-plane, 45 degree, light guiding lens front, solves dazzle and ghost problems.2. try one's best light refraction to same direction, promote source efficiency.3. light guiding lens with 15 ~ 65 degree of angular direction by horizontal direction light refraction on table face, avoid naked eyes directly to see dazzling light source.4. light guiding lens can arbitrarily stretch to length direction or shorten, more can the designing requirement of resilient engagement different LED quantity.5. material: transparent acrylic (PMMA) gathers methacrylate formicester.By the dimpling lens on the second side surface of the setting in inclined-plane in the light birefringence formed the first side surface importing and amplification, the lower surface passed through bottom light guiding lens is that multiple arc-shaped curved surface is tried one's best all light refractions to same direction again, avoid the highly directive irradiation light of lamp pearl to produce dazzle effect to eyes, realize the technique effect suppressing 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.
Accompanying drawing explanation
Below in conjunction with the embodiment in accompanying drawing, the present invention is described in further detail, but do not form 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 be Fig. 2 look up structural representation;
Fig. 6 is the perspective view of the present invention along the second side face directions;
Fig. 7 is the present invention along the perspective view in 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 of the present invention specifically implements state;
Figure 10 is the partial enlargement structural representation 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, second side surface 13, lower surface 14, dimpling lens 15, holder 16, LED light source 2, locating rack 3, reflector layer 31.
Detailed description of the invention
Consult shown in Fig. 1 ~ 13, a kind of light guiding lens of the present invention, comprise and form the stripe shape body 1 that can extend along its length by upper surface 11, first side surface 12, second side surface 13 and lower surface 14, first side surface 12 is arranged in erectting, second side surface 13 is outward-dipping setting relative to the first side surface 12, the bottom of the second side surface is at least lower than the first side surface, be laid with dimpling lens 15 along on the second side surface 13, lower surface 14 is formed in circular arc, by the multiple little arc that is connected successively.The height of the second side surface be 2 ~ 3 times of the first side surface for good.
Second side surface 13 is arranged in 15 ~ 65 degree of angle outer inclines relative to the first side surface 12, and wherein miter angle is best.
Upper surface 11 is in being horizontally disposed with.
Stripe shape body 1 both ends are provided with holder 16.
Reflector layer is equipped with along upper surface 11 and the second side surface 13.
Stripe shape body 1 is the poly-methacrylate formicester material of transparent acrylic (PMMA).
As shown in figs. 1 to 6, the present invention is when specifically using, and a kind of LED, comprises LED light source 2, locating rack 3, light guiding lens and shell 4, and it is vertically opposite with the first side surface 12 of light guiding lens that locating rack 3 locates LED light source 2; Shell 4 comprises cage 41 and lower clamshell 42.
Comprise the light guiding lens of about two pieces symmetrical settings, 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 forms overall semicircular arc.
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, difference locating lines plate 22 inside the trough rim of both sides, two light guiding lens are positioned in groove by locating rack 3, and the overall semicircular arc of the connected formation of bottom surface of two light guiding lens exposes outside radiating seat 21.
Locating rack 3 is that ABS or PC plastic cement material is formed.
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.
Light guiding lens is vertically opposite by the first side surface of locating rack location LED light source and light guiding lens, first side surface 12 of light guiding lens 1 is erect the light source approaching face arranged, import from erectting the first side surface 12 arranged with relative light source, upper surface is that horizontally disposed top light source reflecting surface makes light upwards reflect downwards, second side surface is that the reflecting slant that inclined-plane is arranged makes the light of light source levels light and upper surface reflection together reflect downwards, surface along inclined-plane is laid with formation inside cambered outwards dimpling lens allows the light of horizontal direction more uniformly be refracted on table top, to solve dazzle and ghost problems.Second side surface at least realizes covering light source completely lower than the first side surface and realizes reflecting completely.Lower surface forms arc by the multiple little arc that is connected successively and amplifies face to expand shadow surface.
The present invention, as description and diagramatic content, makes actual sample and through repeatedly using test.From the effect using 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 light source waste.As shown in figure 15, with distance light source 397mm test, its average photometric: ~ 141lux, most high light degree: ~ 906.97lux, compared with prior art, the present invention realizes reducing 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 its desired object, and practical value is unquestionable.
In sum, above illustrated embodiment is only used for conveniently illustrating the present invention, not does any pro forma restriction to the present invention, and as the present invention to be made up of the structure of a group one piece of light guiding lens and corresponding LED light source, its length direction is changeable all can be realized.The upper surface 11 of light guiding lens and the reflective surface 31 of the second side surface 13 correspondence can be processed and fit on locating rack, also directly can process the surface at upper surface 11 and the second side surface 13, and the technique effect realizing being formed reflecting surface just can.The spacing of adjustable bottom between the light guiding lens of two symmetries, can according to the second side surface 13 relative to the angle of the first side surface 12 and the highly spacing that matches of adjustment.
Have in any art and usually know the knowledgeable, if do not depart from the present invention carry in the scope of technical characteristic, utilize disclosed technology contents make local change or modify Equivalent embodiments, and do not depart from technical characteristic content of the present invention, all still belong in the scope of the technology of the present invention feature.
Claims (10)
1. a light guiding lens, comprise by upper surface (11), first side surface (12), second side surface (13) and lower surface (14) form the stripe shape body (1) that can extend along its length, it is characterized in that: the first side surface (12) is in erectting the light source approaching face arranged, second side surface (13) is relative to the reflecting slant of the first side surface (12) in outward-dipping setting, the bottom of the second side surface is at least lower than the first side surface, dimpling lens (15) are laid with along on the second side surface (13), lower surface (14) is overall curved, and be made up of the multiple little arc that is connected successively, upper surface (11) forms the reflecting surface of end face light source for being horizontally disposed with, lower surface (14) is curved to expand emitting surface, it is corresponding with dimpling lens that the multiple little arc that is connected successively is wherein set.
2. a kind of light guiding lens according to claim 1, is characterized in that: the second side surface (13) is arranged in 15 ~ 65 degree of angle outer inclines relative 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 in being 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-methacrylate formicester material of transparent acrylic (PMMA).
7. a LED, comprise LED light source (2), locating rack (3), it is characterized in that: comprise the light guiding lens as described in 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 according to claim 7, it is characterized in that: the light guiding lens comprising about two pieces symmetrical settings, 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 forms overall circular arc.
9. a kind of LED 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) long trough downward in notch, comprise both sides trough rim and bottom land, difference locating lines plate (22) inside the trough rim of both sides, two light guiding lens are positioned in groove by locating rack (3), and the overall semicircular arc of the connected formation of bottom surface of two light guiding lens exposes outside radiating seat (21).
10. a kind of LED according to claim 9, is characterized in that: the radiating groove (31) being provided with 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 CN103104883A (en) | 2013-05-15 |
| CN103104883B true CN103104883B (en) | 2015-04-08 |
Family
ID=48312955
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 (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018082246A1 (en) * | 2016-11-07 | 2018-05-11 | 深圳市康铭盛科技实业股份有限公司 | Easy-to-assemble desk lamp |
Families Citing this family (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 |
| DE102017209093A1 (en) * | 2017-05-31 | 2018-12-06 | Osram Gmbh | LIGHT LINE ARRANGEMENT FOR A MOBILE COMMUNICATION DEVICE FOR OPTICAL DATA TRANSMISSION, MOBILE COMMUNICATION DEVICE AND METHOD FOR OPTICAL DATA TRANSMISSION |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4979565B2 (en) * | 2007-12-14 | 2012-07-18 | 株式会社小糸製作所 | Vehicle lighting |
| US8851722B2 (en) * | 2010-12-03 | 2014-10-07 | Docter Optics Se | 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 |
-
2013
- 2013-01-22 CN CN201310023390.XA patent/CN103104883B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018082246A1 (en) * | 2016-11-07 | 2018-05-11 | 深圳市康铭盛科技实业股份有限公司 | Easy-to-assemble desk lamp |
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| Publication number | Publication date |
|---|---|
| CN103104883A (en) | 2013-05-15 |
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Granted publication date: 20150408 Termination date: 20170122 |