CN1864026A - Indicator lamp - Google Patents
Indicator lamp Download PDFInfo
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- CN1864026A CN1864026A CNA2004800294635A CN200480029463A CN1864026A CN 1864026 A CN1864026 A CN 1864026A CN A2004800294635 A CNA2004800294635 A CN A2004800294635A CN 200480029463 A CN200480029463 A CN 200480029463A CN 1864026 A CN1864026 A CN 1864026A
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Abstract
The invention provides a lens for light-emitting element superior in perceptivity not only from a short distance but also from a long distance and also superior in the angle of field property. This is a lens 1 for light-emitting element in which the light emitted from the light-emitting element 2 arranged at the light-emitting mounting part 3 formed at the bottom of the lens body is totally reflected by the circumference wall 4 of the lens body and is irradiated frontward. Corner parts 7, 8 are provided which become a boundary which is formed when the angle to the center axis of the lens body is made smaller step by step from the bottom toward the front face 5 of the lens body, and these corner parts provided scatters the light from the light-emitting element 2 toward the front and irradiate in a concentric circle form when viewed from the front of the lens.
Description
Technical field
The present invention relates to a kind of be used for display unit etc., cover the collector lens of the light of assembling light-emitting component on the top of light-emitting components such as LED (light emitting diode) chip and the display lamp that is configured to, being particularly related to can be in wide light-emitting area, efficiently, suitably shines the display lamp from the light of the light-emitting component of minor diameter.
Background technology
In the past, the luminous zone of light-emitting components such as LED itself is an impact point, under previous status, be non-direction illumination, diffusion can take place in light, can't form area and be to a certain degree light-emitting area, in addition, to remote observability variation, therefore, to dispose the collector lens that covering luminous element the place ahead is assembled light usually.
As the display lamp that adopts such lens, known have Japan real fair 6-28725 number.This collector lens forms the light-emitting component installation portion in the bottom, the wall by forwards show parabolic curve from this bottom carries out total reflection to the light that comes self-emission device, again radiation forwards.
But, use in the lens at above-mentioned existing light-emitting component, assemble by the light that makes light-emitting component reliably and to suppress scattering of light, thereby make directly irradiation forwards of light, thus, good to remote observability, still, on the contrary, can produce owing to scattering of light is suppressed the problem that causes the visual angle as visible range to narrow down.As display unit the time, all be main points particularly to remote observability and wide visual angle.
In addition, use in the lens at existing light-emitting component, construct from it, in order to form protuberance in lens precedence centre portion, and form the ditch of dark ring-type, lens shaped is become such complicated shape can follow more difficulty, particularly in lenticular body with height, it is dark that the ditch of ring-type can become, because size, the material of lens, and may not be evenly, the light of self-emission device forwards shines in the future efficiently.
Therefore, the 1st purpose of the present invention is, for solving above-mentioned problem, provide a kind of closely and the display lamp that observability is all good and viewing angle characteristic is also good at a distance.
In addition, the 2nd purpose of the present invention is, provides a kind of shape of lens that do not make to become complicated, just can be evenly, efficiently future self-emission device the display lamp that forwards shines of light.
Summary of the invention
In order to achieve the above object, display lamp of the present invention is characterised in that: forwards radiate after the luminous perisporium total reflection in lenticular body of luminous element disposed on the light-emitting component installation portion that forms on the bottom that makes from lenticular body, the light-emitting component of rounding frustum is with on the above-mentioned perisporium of lens, one or more bights that form to the angle the central shaft of the change of lens front and this lenticular body along the circumference setting from above-mentioned bottom, thereby, this bight along the circumference setting makes light from above-mentioned light-emitting component to the front diffusion, is the irradiation of concentric circles ground from the lens forward observation.
In addition, its feature also is: the central portion in the lens front is formed with convex lens portions highlightedly.
In addition, it is characterized in that: the central portion in the lens front is formed with convex lens portions highlightedly, and, the periphery of this convex lens portions be around shape give prominence to that to be formed with section be hemispheric raised line.
In addition, use in the lens at light-emitting component, make from the luminous of light-emitting component of the bottom that is configured in the lenticular body that wide footpath forwards enlarges and after the perisporium total reflection of this lenticular body, radiate to lenticular body the place ahead, it is characterized in that: the light-emitting component perimembranous in the lenticular body bottom at light-emitting component place is provided with slightly cylindrical hollow bulb, from above-mentioned light-emitting component towards the light of the lateral circle surface of above-mentioned hollow bulb with smaller or equal to the angle incident and transmission lens body of the corresponding angle of total reflection of refractive index of said lens body in, this light is with more than or equal to the perisporium of the angle incident said lens body of the above-mentioned angle of total reflection and after carrying out total reflection, radiate to lenticular body the place ahead, and, from above-mentioned light-emitting component towards the light of the upper surface of above-mentioned hollow bulb with after in smaller or equal to the angle incident of the above-mentioned angle of total reflection and transmission lens body, directly radiate to lenticular body the place ahead.
In addition, it is characterized in that: the central portion in the lenticular body front is provided with forwards outstanding convex lens portions highlightedly, and making its periphery is the plane body, and, from light-emitting component towards the light of the upper surface of hollow bulb to carry out optically focused in above-mentioned convex lens portions smaller or equal to the angle incident of the angle of total reflection of lenticular body and the light in the transmission lens body, radiate to lenticular body the place ahead again, and, from light-emitting component towards the light of the lateral circle surface of above-mentioned hollow bulb forwards to radiate from above-mentioned plane body more than or equal to the angle incident of the angle of total reflection of lenticular body and the light that carries out total reflection.
In addition, in the display lamp of the present invention, upper surface configuration total reflection lens at light-emitting component, reflect the light of self-emission device by this total reflection lens, radiate to lens the place ahead again, it is characterized in that: in above-mentioned light-emitting component upper surface configuration convex lens portions, thereby described convex lens portions is to swell into convex by injection lucite material in the framework that disposes from framework top to form around light-emitting component.
In addition, it is characterized in that: framework is made of transparent component.
Description of drawings
Fig. 1 is the stereogram of the 1st embodiment of expression display lamp of the present invention.
Fig. 2 is the cutaway view of the 1st embodiment of expression display lamp of the present invention.
Fig. 3 is the stereogram of the 2nd embodiment of expression display lamp of the present invention.
Fig. 4 is the cutaway view of the 2nd embodiment of expression display lamp of the present invention.
Fig. 5 is the stereogram of the 3rd embodiment of expression display lamp of the present invention.
Fig. 6 is the cutaway view of the 3rd embodiment of expression display lamp of the present invention.
Fig. 7 is the stereogram of the 4th embodiment of expression display lamp of the present invention.
Fig. 8 is the key diagram of light path among the 4th embodiment of expression display lamp of the present invention.
Fig. 9 is the key diagram of light path among the 5th embodiment of expression display lamp of the present invention.
Figure 10 is the phantom of the 6th embodiment of expression display lamp of the present invention.
Figure 11 is the cutaway view of framework of the 6th embodiment of expression display lamp of the present invention.
Figure 12 is the key diagram of light path among the 6th embodiment of expression display lamp of the present invention.
The specific embodiment
Fig. 1, Fig. 2 represent the display lamp of the 1st embodiment of the present invention, this light-emitting component that makes transparent synthetic resin material roughly form circular cone shape and obtain lens 1, be formed with the light-emitting component installation portion 3 that is used to dispose light-emitting components 2 such as LED in the bottom, perisporium 4 so that and the angle between the central shaft of these lens be the mode that 3 stages diminish gradually from the bottom to the lens front and be formed slopely.And then, make lens front 5 be the plane, and in the central portion form highlightedly diameter than the wide footpath of this lens front 5 little, the place ahead is the convex lens portions 6 (R5.78) of convex.Lens front 5 is the flange shape shape of expansion slightly highlightedly for making its outer peripheral edges.To lens the place ahead, and the angle between the central shaft of lens is respectively 40.61 °, 32.19 °, 26.87 ° (certainly, also can be angles in addition) to the rake in 3 stages of perisporium 4 from the bottom.And, from the border of the rake that becomes these 3 stages along the bight 7,8 that periphery is provided with, irradiation is from the ring-shaped light of the brighter concentric circles of lens forward observation.
Fig. 3, Fig. 4 represents the display lamp of the 2nd embodiment of the present invention, this light-emitting component that makes transparent synthetic resin material roughly form circular cone shape and obtain lens 11, be formed with the light-emitting component installation portion 12 that is used to dispose light-emitting components 2 such as LED in the bottom, perisporium 13 so that and the angle between the central shaft of these lens be the mode that 3 stages diminish gradually from the bottom to the lens front and be formed slopely, the rake in 3 stages of perisporium 13 is identical with above-mentioned the 1st embodiment, from the bottom to lens the place ahead, and the angle between the central shaft of lens is respectively 40.61 °, 32.19 °, ° 26.87 (also can be angle in addition certainly).And then, make lens front 14 be plane (being to make its outer peripheral edges be the flange shape shape of expansion slightly highlightedly), and in the central portion form highlightedly diameter than the wide footpath of this lens front 14 little, the place ahead is the convex lens portions 15 of convex, and, diminish in mid portion curvature from its base end part to leading section, if the curvature of base end part is R5.14, establish the curvature R4.65 of leading section.And from the border 18 along the curvature of bight 16,17 that periphery is provided with and convex lens 15 on the border of the rake that becomes these 3 stages, irradiation is from the ring-shaped light of the brighter concentric circles of lens forward observation.
Fig. 5, Fig. 6 represents the display lamp of the 3rd embodiment of the present invention, this light-emitting component is that the light-emitting component of above-mentioned the 1st embodiment forms with lens 1 variation with lens 21, be formed with the light-emitting component installation portion 22 that is used to dispose light-emitting components 2 such as LED in the bottom, perisporium 23 so that and the angle between the central shaft of these lens be the mode that 3 stages diminish gradually from the bottom to the lens front and be formed slopely, the rake in 3 stages of perisporium 23 from the bottom to lens the place ahead, and the angle between the central shaft of lens is respectively 40.61 °, 32.19 °, ° 26.87 (also can be angle in addition certainly).And then, make lens front 24 be the plane, and in the central portion form highlightedly diameter than the wide footpath of this lens front 24 little, the place ahead is the convex lens portions 25 of convex, and, be in the periphery of convex lens portions 25 that to form section highlightedly around shape ground be hemispheric raised line 26.And, from the border of the rake that becomes these 3 stages along bight 27,28 that periphery is provided with and raised line 26 border 29,30 with lens front 24, irradiation is from the ring-shaped light of the brighter concentric circles of lens forward observation.
In addition, in the above-described embodiments, being provided with 2 bights that are formed at the border lens perisporium, that become rake, but being not limited thereto, also can be 1 or more than or equal to 3.
The display lamp of Fig. 7, Fig. 8 the 4th embodiment of the present invention, the light-emitting component that is made of transparent synthetic resin materials such as acrylic acid that maximum outside diameter is about 21mm, highly be about 12.5mm is with lens 31, form the i.e. rounding frustum roughly of the shape of forwards amplifying gradually in wide footpath, by light-emitting components 2 such as LED being set in its bottom, the light that comes self-emission device 2 is carried out optically focused, and the light beam that makes it to become to a certain degree shines to lens the place ahead.This light-emitting component forms the curved surface of the uniqueness that bloats a little laterally to lens front 34 from the lens lower end with the perisporium 33 of lens 31, and (its section is not limited to continuous curved surface, also can form) by a plurality of inclined planes, and, if the outer peripheral portion of lens front 34 is a plane body 35, and portion in the central is from forwards being formed with the convex lens 36 (R5) that the place ahead becomes convex highlightedly than 34 low slightly positions before the lens.
And, in the bottom of light-emitting component with lens 1, about 1/3 degree of depth ground from the recessed lens height in lens lower end, be formed with the cylindrical hollow bulb 37 of cardinal principle (with in the lens, only having the hemispheric hollow bulb of the minor diameter that just disposes light-emitting component in this lens lower end) that constitutes by the height that too is enough to dispose light-emitting component 2 at above-mentioned existing light-emitting component.The upper surface 37a of this hollow bulb 37 is made of the sphere (R4) to lens the place ahead convex shape, and the lateral circle surface 37b of hollow bulb 37 is provided with the some taperings that narrow down gradually to aperture, lens the place ahead from the lens lower end, thus, it is cylindric hollow bulb 37 roughly to be formed.According to the size of luminous element disposed 2 wherein, with the appearance and size of the corresponding refractive index of material of lens and lens wait the aperture of setting this hollow bulb 37, highly, tapering.
According to the light-emitting component that constitutes by such structure lens 31, as shown in Figure 8, at first from light-emitting component 2 towards the concave curved surface of the light of the upper surface 37a of above-mentioned hollow bulb 37 and upper surface 37a generally perpendicularly (smaller or equal to the corresponding angle of total reflection of the refractive index of lens) incident, direct projection is advanced in the lens again, and, shine to lens the place ahead again to direction refraction by convex lens portions 36 optically focused of lens front 34.In the present embodiment, by set the curvature of convex lens portions 36 according to the refractive index of acrylic acid lens, feasible light by convex lens portions 36 becomes directional light.And, from light-emitting component 2 towards the light of the lateral circle surface 37b of above-mentioned hollow bulb 37 with smaller or equal to the angle light incident side side face 37b and the refraction of the corresponding angle of total reflection of refractive index of lens, with more than or equal to the angle incident perisporium 33 of the above-mentioned angle of total reflection and carry out total reflection, the plane body 35 of scioptics front 34 shines to lens the place ahead.
Fig. 9 represents the display lamp of the 5th embodiment of the present invention, and this light-emitting component is compared with above-mentioned the 4th embodiment with lens 41, does not have the convex lens portions of lens front and all is the plane, and inscape in addition is identical.Use in the lens 41 at this light-emitting component, from the radial light of light-emitting component 2 towards the upper surface 42a of hollow bulb 42, concave curved surface incident generally perpendicularly with upper surface 42a, being direct projection radially more same as before advances in the lens,, shine to lens the place ahead again to the refraction of lens centre direction of principal axis in lens front 43.And, from the light of light-emitting component 2 towards the lateral circle surface 42b of above-mentioned hollow bulb 42, with smaller or equal to the angle directive lateral circle surface 42b and the refraction of the corresponding angle of total reflection of refractive index of lens, with more than or equal to the angle directive perisporium 44 of the above-mentioned angle of total reflection and carry out total reflection, scioptics front 43 is shone to lens the place ahead.Not directional light completely though compare with lens 31 with the light-emitting component of above-mentioned the 4th embodiment, can be with the optically focused effect of simple shape performance near corresponding directional light.In addition, though not special diagram when not being makes light in the upper surface 42a direct projection of hollow bulb 42 but make anaclasis so that during near the lens centre direction of principal axis, can be brought into play better the optically focused effect near directional light.
Figure 10～Figure 12 represents the display lamp 61 of the 6th embodiment of the present invention.This light-emitting component is that light-emitting component at above-mentioned the 4th embodiment is considered on the basis of lens 31 to change after the configuration of light-emitting component 2 and formed with lens 61.Figure 10 represents display lamp 61 with the structure that partly cuts open, and this display lamp 61 has: light-emitting components such as LED 63 are configured on the base station 62 that has formed the wiring figure; Total reflection lens 64, by the top that is configured in this light-emitting component 63, maximum outside diameter is about 21mm, the transparent synthetic resin materials such as acrylic acid that highly are about 12.5mm constitute, roughly being configured as the shape that wide footpath forwards enlarges gradually is the rounding frustum; And opaque outer dress cylindraceous cover 65, keeps the top of this total reflection lens 64, and centers on its side and be configured on the above-mentioned base station 62.
Figure 11 is for representing that near above-mentioned light-emitting component 63 structures have carried out the stereogram that partly cuts open.Around the light-emitting component 63 that is configured in the minor diameter on the base station 62, the cardinal principle framework 66 in the form of a ring that configuration is made by transparent acrylic acid, inside in this framework 66, swell into convex ground from top by surface tension and inject the synthetic resin materials such as silicon that cover after above-mentioned light-emitting component 63 and the same transparent fusion, thereby make its sclerosis form convex lens portions 67 again.That is, the framework 66 synthetic resin type after for the casting fusion, and, do not pass through by making himself transparent light of light-emitting component 63 that makes with leaking.And this convex lens portions 67 has the effect of to a certain extent light that comes self-emission device 63 being carried out optically focused, also has the effect that protection connects the thin closing line (not shown) of the figure on light-emitting component 63 and the base station 62.The amount of the synthetic resin by will injecting framework 66 is controlled to a certain amount of, can access the convex lens portions 67 with desirable curvature.In the past, be around light-emitting component and closing line, to apply the silicone lacquer with brush, can cause the radial non-uniform light from the light-emitting component to the lenticular body like that, the result can not obtain suitable optically focused such as directional light.Like this and since the part of lining light-emitting component 63 be resin and be that diameter is bigger, therefore, the hollow bulb 68 of lens also makes the aperture amplify with it ordinatedly.Just, because amplifying the aperture of hollow bulb 68 integral body can produce a very large impact the light path of carrying out the light of total reflection at the lens perisporium, therefore, to carry out necessary minimal structure change for fear of this influence, and only to amplify the aperture of bottom in order keep intact in the top that makes hollow bulb 68, thereby to form stage portion 69 with stretching out.Just, when this, portion 69 merely be level in stage, the light that comes self-emission device 63 this in stage portion 69 reflect, thereby become the undesirable light path different with the 4th embodiment, therefore, outwards form tapering upwards, so that come not incident of the light stage portion 69 of self-emission device 63.
According to the display lamp 61 that is made of such structure, as shown in figure 12, the light that comes self-emission device 63 at first transmission covers thereon convex lens portions 67, thus optically focused and enter hollow bulb 68 to a certain extent.Then, from the light of convex lens portions 67 towards the upper surface 68a of above-mentioned hollow bulb 68, with the concave curved surface of upper surface 68a generally perpendicularly (smaller or equal to the corresponding angle of total reflection of the refractive index of lens) incident, direct projection is advanced in the lenticular body again, central convex lens portions 70 in the lens front reflects to the direction of optically focused, shines to lens the place ahead again.In the present embodiment, by set the curvature of convex lens portions 67 according to the refractive index of acrylic acid lens, be directional light thereby make light by convex lens portions 67.In addition, from the light of convex lens portions 67 towards the lateral circle surface 68b of above-mentioned hollow bulb 68, with smaller or equal to the angle directive lateral circle surface 68b and the refraction of the corresponding angle of total reflection of refractive index of lens, with more than or equal to the angle directive perisporium 71 of the above-mentioned angle of total reflection and carry out total reflection, thereby the plane body 72 of scioptics front shines to lens the place ahead.
In addition, in the above-described embodiments, the structure that is provided with central convex lens portions 70 in the front of total reflection lens 64 has been described, but be not limited thereto, can not have central convex lens portions yet and all be the plane, not directional light completely though compare with the display lamp 61 of the foregoing description this moment, can be with the optically focused effect of simple shape performance near corresponding directional light.In addition, though not special diagram when not being makes light in the upper surface 68a direct projection of hollow bulb 68 but make anaclasis so that during near the lens centre direction of principal axis, can be brought into play better the optically focused effect near directional light.
Industrial applicibility
According to display lamp of the present invention, by at the light that makes self-emission device in lenticular body Perisporium carries out after the total reflection light-emitting component radiation, the rounding frustum forwards with lens On the above-mentioned perisporium, along circumference one or more bights are set, thereby this arranges along circumference The bight makes light from above-mentioned light-emitting component to the front diffusion, thereby is from the lens forward observation The irradiation of concentric circles ground, wherein, described light-emitting component is configured in the end that is formed at lenticular body The light-emitting component installation portion of section, described bight by change from above-mentioned bottom to the lens front with Angle between the central shaft of this lenticular body forms, and thus, can get in the front of lens To the planar light of carrying out total reflection at perisporium with than this planar light ring-type of bright concentric circles also Light the irradiation of the common light that forms, thereby not only closely, by this ring-shaped light, Also can obtain good observability at a distance.
In addition, form highlightedly convex lens portions by the central portion in the lens front, thereby not In lenticular body perisporium reflection and directly the light of transmission lens middle body is assembled in convex lens portions, Thereby can further suppress scattering and light shine a distant place. And then, the lens front and The border of convex lens portions can assemble the light of self-emission device to form than other parts more Be the again forwards irradiation of bright ring-shaped light, thereby in-plant observability is improved, also Remote observability is improved.
In addition, form highlightedly convex lens portions by the central portion in the lens front, and, The periphery of this convex lens portions be around shape give prominence to that to form section be hemispheric raised line, from And, not in lenticular body perisporium reflection and also not transmission convex lens portions but transmission convex lens portions The light of periphery assembled by above-mentioned raised line, light shine thereby can further suppress scattering A distant place. And the border of lens front and raised line is formed with two-layer concentric circles, can be than it His part is assembled the light of self-emission device more and is become bright ring-shaped light, more forwards Irradiation can be assembled more the light of self-emission device and become bright ring-type than other parts Light, more forwards irradiation, thus in-plant observability is further improved, also make Observability further improves at a distance.
According to display lamp of the present invention, by sending out in the lenticular body bottom at light-emitting component place The optical element perimembranous arranges substantially cylindrical hollow bulb, from above-mentioned light-emitting component towards above-mentioned The light of the lateral circle surface of hollow bulb is with smaller or equal to corresponding with the refractive index of said lens body In the angle incident and transmission lens body of the angle of total reflection, this light is with more than or equal to above-mentioned total reflection The perisporium of the angle incident said lens body at angle and carry out total reflection after, put to lenticular body the place ahead Penetrate, and, from the light of above-mentioned light-emitting component towards the upper surface of above-mentioned hollow bulb, with less than After equaling in the angle incident of the above-mentioned angle of total reflection and the transmission lens body, directly before lenticular body Side radiation thus, comes the light of self-emission device to be divided into light by the upper surface of hollow bulb With the light by lateral circle surface, and, the refractive index of the corresponding lenticular body of the light by lateral circle surface and Suitably in the perisporium total reflection of lenticular body, thereby suitably radiate to lenticular body the place ahead.
In addition, by the central portion in the lenticular body front forwards give prominence to protruding is set highlightedly Lens section and to make its periphery be the plane body, and, from light-emitting component towards hollow bulb The light of upper surface is with angle incident and transmission lens body smaller or equal to the angle of total reflection of lenticular body Interior light carries out optically focused by above-mentioned convex lens portions, again to the radiation of lenticular body the place ahead, and, from Light-emitting component towards the light of the lateral circle surface of above-mentioned hollow bulb with the total reflection more than or equal to lenticular body The angle incident at angle and the light of total reflection forwards radiate from above-mentioned plane body. Thus, By convex lens portions the light of the upper surface by hollow bulb is carried out optically focused, and, by lenticular body Perisporium the light of the lateral circle surface by hollow bulb is carried out total reflection, thereby can be used as suitable Directional light to the irradiation of the place ahead of lenticular body.
According to display lamp of the present invention, the upper surface of light-emitting component configuration total reflection lens, Thereby and light the showing to the radiation of lens the place ahead of being reflected self-emission device by this total reflection lens Show in the lamp that by the upper surface configuration convex lens portions at light-emitting component, described convex lens portions is By in the framework that around light-emitting component, disposes, injecting the lucite material Convex forms thereby swell into from framework top, thus, and light-emitting component and to light-emitting component Closing line by the lucite material protection, and, swell into the convex lens of convex by this Section carries out optically focused to the light that comes self-emission device, more suitably to the total reflection lens irradiation, by This can be evenly, the light of self-emission device shines to the place ahead of total reflection lens in the future efficiently Penetrate.
In addition, framework is made of transparent component, therefore, shines from light-emitting component to framework Light is not blocked ground all to the total reflection lens irradiation by framework, thereby can access efficient light Irradiation.
Claims (7)
1. display lamp is characterized in that:
Use on the above-mentioned perisporium of lens at light-emitting component forwards radiation, the rounding frustum after the luminous perisporium total reflection of luminous element disposed on the light-emitting component installation portion that forms on the bottom that makes from lenticular body in lenticular body, one or more bights that form to the angle the central shaft of the change of lens front and this lenticular body along the circumference setting from above-mentioned bottom, thereby, this bight along the circumference setting makes light from above-mentioned light-emitting component to the front diffusion, is the irradiation of concentric circles ground from the lens forward observation.
2. display lamp according to claim 1 is characterized in that:
Central portion in the lens front is formed with convex lens portions highlightedly.
3. display lamp according to claim 1 is characterized in that:
Central portion in the lens front is formed with convex lens portions highlightedly, and, the periphery of this convex lens portions be around shape give prominence to that to be formed with section be hemispheric raised line.
4. display lamp, make from the luminous of light-emitting component of the bottom that is configured in the lenticular body that wide footpath forwards enlarges and after the perisporium total reflection of this lenticular body, radiate to lenticular body the place ahead, it is characterized in that: the light-emitting component perimembranous in the lenticular body bottom at light-emitting component place is provided with slightly cylindrical hollow bulb, from above-mentioned light-emitting component towards the light of the lateral circle surface of above-mentioned hollow bulb with smaller or equal to the angle incident and transmission lens body of the corresponding angle of total reflection of refractive index of said lens body in, this light is with more than or equal to the perisporium of the angle incident said lens body of the above-mentioned angle of total reflection and after carrying out total reflection, radiate to lenticular body the place ahead, and, from above-mentioned light-emitting component towards the light of the upper surface of above-mentioned hollow bulb with after in smaller or equal to the angle incident of the above-mentioned angle of total reflection and transmission lens body, directly radiate to lenticular body the place ahead.
5. display lamp according to claim 4 is characterized in that:
Central portion in the lenticular body front is provided with forwards outstanding convex lens portions highlightedly, and making its periphery is the plane body, and, from light-emitting component towards the light of the upper surface of hollow bulb to carry out optically focused in above-mentioned convex lens portions smaller or equal to the angle incident of the angle of total reflection of lenticular body and the light in the transmission lens body, radiate to lenticular body the place ahead again, and, from light-emitting component towards the light of the lateral circle surface of above-mentioned hollow bulb forwards to radiate from above-mentioned plane body more than or equal to the angle incident of the angle of total reflection of lenticular body and the light that carries out total reflection.
6. display lamp, upper surface configuration total reflection lens at light-emitting component, reflect the light of self-emission device by this total reflection lens, radiate to lens the place ahead again, it is characterized in that: in above-mentioned light-emitting component upper surface configuration convex lens portions, thereby described convex lens portions is to swell into convex by injection lucite material in the framework that disposes from framework top to form around light-emitting component.
7. display lamp according to claim 6 is characterized in that:
Framework is made of transparent component.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP411913/2003 | 2003-12-10 | ||
| JP2003411913A JP2005174693A (en) | 2003-12-10 | 2003-12-10 | Lens for light emitting element |
| JP36824/2004 | 2004-02-13 | ||
| JP82559/2004 | 2004-03-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1864026A true CN1864026A (en) | 2006-11-15 |
Family
ID=34732516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2004800294635A Pending CN1864026A (en) | 2003-12-10 | 2004-12-06 | Indicator lamp |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2005174693A (en) |
| CN (1) | CN1864026A (en) |
Cited By (24)
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| CN101556984A (en) * | 2008-04-08 | 2009-10-14 | 优志旺电机株式会社 | Led light source device |
| CN101893200A (en) * | 2010-07-30 | 2010-11-24 | 海洋王照明科技股份有限公司 | Condenser lens and lamp using same |
| CN101900292A (en) * | 2010-07-30 | 2010-12-01 | 海洋王照明科技股份有限公司 | Condenser lens and lamp using same |
| CN101900293A (en) * | 2010-07-30 | 2010-12-01 | 海洋王照明科技股份有限公司 | Condenser lens and lamp using same |
| CN101900294A (en) * | 2010-07-30 | 2010-12-01 | 海洋王照明科技股份有限公司 | Condensing lens and lamp using same |
| CN102102848A (en) * | 2009-12-16 | 2011-06-22 | 富准精密工业(深圳)有限公司 | Lens and light emitting diode module applying same |
| CN102588879A (en) * | 2012-01-17 | 2012-07-18 | 宁波爱珂照明科技有限公司 | Reflection lens for LED lamp |
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