CN202274328U - Light source module and lighting device having same - Google Patents
Light source module and lighting device having same Download PDFInfo
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- CN202274328U CN202274328U CN2011204097794U CN201120409779U CN202274328U CN 202274328 U CN202274328 U CN 202274328U CN 2011204097794 U CN2011204097794 U CN 2011204097794U CN 201120409779 U CN201120409779 U CN 201120409779U CN 202274328 U CN202274328 U CN 202274328U
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- light
- source module
- face
- light source
- base portion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V3/00—Globes; Bowls; Cover glasses
- F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
- F21V3/049—Patterns or structured surfaces for diffusing light, e.g. frosted surfaces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
- F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
- F21K9/232—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
- F21K9/61—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using light guides
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
- F21K9/66—Details of globes or covers forming part of the light source
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
- F21K9/68—Details of reflectors forming part of the light source
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
- F21V7/28—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by coatings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model provides a light source module and a lighting device having the same. The light source module comprises a lighting unit, a light guiding pillar, and a first reflecting element; the lighting unit has an optical axis and comprises at least one light-emitting diode; the light guiding pillar comprises a base part and a light guiding part extending from the base part and along the direction of the optical axis; the lighting unit is disposed on the base part; the tail end of the light guiding part is provided with a top surface which sinks towards the direction of the base part; the curvature of the top surface shows continuous distribution; the first reflecting element is disposed on the top surface; a part of light emitted by the lighting unit is delivered to the first reflecting element through the light guiding pillar; and the first reflecting element reflects the part of light and enables the part of light to be emitted by the light guiding part. The utility model also provides a lighting device having the light source module.
Description
Technical field
The utility model relates to a kind of light-emitting device, relates in particular to a kind of LED illuminating device.
Background technology
Light emitting diode (light emitting diode; LED) be a kind of semiconductor element; Mainly convert electrical energy into luminous energy to reach illumination effect through semiconducting compound; Therefore have advantages such as life-span length, stable height and power consumption are little, be widely used in house, office, outdoor and action illumination at present, to replace traditional non-directive property light emitting sources such as fluorescent tube and incandescent lamp bulb.
Because light emitting diode is point source of light and has high directivity; Cause the shadow surface of light emitting diode narrow compared to traditional light emitting source; And luminosity little by little reduces along with the increase of distance, therefore is applicable to the light fixture that short distance and zonule illumination are provided, as: desk lamp.
For making light emitting diode be applied to other light fixture, as: bulb or candle lamp, most manufacturers are through combination and arrange a plurality of light emitting diodes, to concentrate the luminous too small problem of reinforcement range of exposures that reaches; But; The increase of light emitting diode usage quantity is to make the required electric power of driven for emitting lights diode increase; Can't reach the effect of power saving effectively, and the price of led lamp own causes the user to reduce the wish of using led lamp more far above traditional light emitting source.
The utility model content
Said in view of prior art, a purpose of the utility model is to provide a kind of light source module, and this light source module can enlarge the shooting angle of the light that passes through effectively.
Another purpose of the utility model is to provide a kind of light-emitting device, and this light-emitting device can enlarge the shooting angle of the light that passes through effectively.
For reaching above-mentioned purpose, the utility model provides a kind of light source module, comprises:
One luminescence unit has an optical axis, and this luminescence unit comprises at least one light emitting diode;
One leaded light post, this leaded light post comprise a base portion, by the light guide section of this base portion along this optical axis extension, and this light guide section end has an end face, and this end face is towards this base portion direction depression, and the curvature of this end face is continuous; And
One first reflecting element is arranged at least a portion of this end face;
Wherein, the part light that this luminescence unit sends is passed to this first reflecting element via this leaded light post, and this part light of this first reflected also makes this part light by this light guide section bright dipping.
Above-mentioned light source module, wherein the diameter of this light guide section is along with increasing progressively away from this base portion gradually.
Above-mentioned light source module; Wherein this leaded light post also comprises the plane that a plurality of vertical these optical axis directions extend; The spacing on any two planes has a joint face along with increasing progressively away from this base portion between any two planes, the distance of this joint face and this optical axis is successively decreased along with moving closer to this base portion.
Above-mentioned light source module wherein also comprises at least one second reflecting element, be arranged at said plane at least one of them.
Above-mentioned light source module wherein also comprises a fluorescence coating, is arranged at an exiting surface, and this exiting surface connects this base portion and this end face.
Above-mentioned light source module, wherein this leaded light post also comprises a groove, and towards this light guide section depression and form an incidence surface, this light emitting diode is arranged at this groove to this groove by this base portion.
Above-mentioned light source module wherein also comprises a fluorescence coating, is arranged at this incidence surface.
Above-mentioned light source module, wherein this luminescence unit also comprises a circuit board, and this light emitting diode is arranged at this circuit board.
Above-mentioned light source module, wherein this first reflecting element is arranged at the core of this end face.
Above-mentioned light source module, wherein this first reflecting element is arranged at the periphery of this end face.
Above-mentioned light source module, wherein this first reflecting element covers this end face fully.
Above-mentioned light source module, wherein this light emitting diode is High Power LED or high power polycrystalline encapsulation LED.
For reaching above-mentioned purpose, the utility model also provides a kind of light-emitting device, comprises:
One pedestal;
One light source module is arranged at this pedestal, and this light source module comprises:
One luminescence unit has an optical axis, and this luminescence unit comprises at least one light emitting diode;
One leaded light post, this leaded light post comprise a base portion and by the light guide section of this base portion along this optical axis extension, and this light guide section end has an end face, and this end face is towards this base portion direction depression, and the curvature of this end face is continuous; And
One first reflecting element is arranged at least a portion of this end face;
One lampshade combines with this pedestal, makes this light source module as between this lampshade and this pedestal; And
One conductive contact connects this pedestal and is oppositely arranged a side of this lampshade;
Wherein, the part light that this luminescence unit sends is passed to this first reflecting element via this leaded light post, this part light of this first reflected and make this part light by this light guide section bright dipping after be passed to this lampshade bright dipping again.
Above-mentioned light-emitting device, wherein the diameter of this light guide section is along with increasing progressively away from this base portion gradually.
Above-mentioned light-emitting device; Wherein this leaded light post also comprises the plane that a plurality of vertical these optical axis directions extend; The spacing on any two planes has a joint face along with increasing progressively away from this base portion between any two planes, the distance of this joint face and this optical axis is successively decreased along with moving closer to this base portion.
Above-mentioned light-emitting device wherein also comprises at least one second reflecting element, be arranged at said plane at least one of them.
Above-mentioned light-emitting device, wherein this light source module also comprises a fluorescence coating, is arranged at an exiting surface, and this exiting surface connects this base portion and this end face.
Above-mentioned light-emitting device, wherein this leaded light post also comprises a groove, and towards this light guide section depression and form an incidence surface, this light emitting diode is arranged at this groove to this groove by this base portion.
Above-mentioned light-emitting device, wherein this light source module also comprises a fluorescence coating, is arranged at this incidence surface.
Above-mentioned light-emitting device, wherein an outer surface of this lampshade is provided with a plurality of micro-structurals.
Above-mentioned light-emitting device, wherein this luminescence unit also comprises a circuit board, and this light emitting diode is arranged at this circuit board.
Above-mentioned light-emitting device, wherein this first reflecting element is arranged at the core of this end face.
Above-mentioned light-emitting device, wherein this first reflecting element is arranged at the periphery of this end face.
Above-mentioned light-emitting device, wherein this first reflecting element covers this end face fully.
Above-mentioned light-emitting device, wherein this light emitting diode is High Power LED or high power polycrystalline encapsulation LED.
Above-mentioned light-emitting device wherein also comprises a reflecting layer, is arranged on this circuit board.
This light source module of the utility model is through the travel path of this leaded light post with change light, uses the shooting angle that enlarges effectively through the light of this leaded light post, so that be applicable to the light fixture of general normal use now.
Below in conjunction with accompanying drawing and specific embodiment the utility model is described in detail, but not as the qualification to the utility model.
Description of drawings
Fig. 1 is the stereogram of the light-emitting device of the utility model first embodiment;
Fig. 2 is the cutaway view of the light-emitting device of the utility model first embodiment;
Fig. 3 is the cutaway view of the light source module of the utility model first embodiment;
Fig. 4 is the stereogram of the leaded light post of the utility model first embodiment;
Fig. 5 is the light intensity distributions figure of light through the leaded light post shown in the 4th figure;
Fig. 6 is the light intensity distributions figure of the light source module of corresponding the utility model first embodiment;
Fig. 7 is the stereogram of the leaded light post of the utility model second embodiment;
Fig. 8 is the light intensity distributions figure of light through the leaded light post shown in the 7th figure;
Fig. 9 is the stereogram of the leaded light post of the utility model the 3rd embodiment;
Figure 10 is the light intensity distributions figure of light through the leaded light post shown in the 9th figure;
Figure 11 is the cutaway view of the light source module of the utility model the 4th embodiment;
Figure 12 is the cutaway view of the light source module of the utility model the 5th embodiment;
Figure 13 is the light intensity distributions figure of the light-emitting device of corresponding the utility model first embodiment;
Figure 14 is the stereogram of the light source module of the utility model the 6th embodiment;
Figure 15 is the light intensity distributions figure of the light source module shown in corresponding the 14 figure;
Figure 16 is the stereogram of the leaded light post of the utility model the 7th embodiment;
Figure 17 is the stereogram of the leaded light post of the utility model the 8th embodiment;
Figure 18 is the cutaway view of the light-emitting device of the utility model second embodiment;
Figure 19 is the stereogram of the light source module of the utility model the 4th embodiment;
Figure 20 is the light intensity distributions figure of light through the leaded light post shown in the 18 figure;
Figure 21 is the light intensity distributions figure of the light-emitting device of corresponding the utility model second embodiment.
Wherein, Reference numeral
10,20 light-emitting devices
110 pedestals
120,120a, 120b, 120c, 120d, 120e, 220 light source modules
122 luminescence units
1220 circuit boards
1221 reflecting layer
1222 light emitting diodes
124,224 leaded light posts
1240,2240 base portions
1242,2242 light guide sections
1244,2244 end faces
1246,2246 exiting surfaces
1248,2248 planes
1249,2249 joint faces
125,225 grooves
1250 incidence surfaces
126,226 first reflecting elements
128a, 128b fluorescence coating
129 second reflecting elements
130,230 lampshades
132,232 outer surfaces
134,234 inner surfaces
140 conductive contacts
236 micro-structurals
The I optical axis
The specific embodiment
Please refer to the accompanying drawing of enclosing; Above and extra purpose, characteristic and the advantage of the utility model will be through the utility model the following illustrative and non-limiting the describing better in detail of preferred embodiment understand; In the icon of enclosing, same reference numbers is to be used for identity element or like.
Cooperate and consult Fig. 1 and Fig. 2, be respectively the stereogram and the cutaway view of the light-emitting device of the utility model first embodiment.This light-emitting device 10 comprises a pedestal 110, a light source module 120, a lampshade 130 and a conductive contact 140.
This pedestal 110 preferably can use metal material or be made in metal material surface plating Heat Conduction Material, uses the speed that increases heat conduction; Perhaps; This pedestal 110 can use heat-conducting plastic to be made; This heat-conducting plastic pedestal inside comprises at least one material with high thermal conductivity coefficient, as: metal dust, powdered graphite or ceramic powders, the heat energy of these light source module 120 generations of diversion effectively; And, have and make advantages such as reaching high-insulativity easily.In addition, the outside wall surface of this pedestal 110 can also be provided with many fin (not shown), uses the heat that this light source module 120 of more effectively diversion produces.
Cooperate and to consult Fig. 3, be the cutaway view of the light source module of the utility model first embodiment.This light source module 120 comprises a luminescence unit 122, a leaded light post 124 and one first reflecting element 126.
This luminescence unit 122 has an optical axis I, and this luminescence unit 122 comprises a circuit board 1220 and at least one light emitting diode (light emitting diode, LED) 1222.This circuit board 1220 is arranged at this pedestal 110 (as shown in Figure 2); Be provided with multicircuit wiring (not icon) and weld pad (not icon) on this circuit board 1220 in advance; This circuit board 1220 can for printed circuit board (PCB) (Printed Circuit Board, PCB), the quick diversion of heat energy that can this light emitting diode 1222 be produced of metal base printed circuit board (Metal Core PCB), ceramic circuit board (Ceramic PCB) or composite material circuit board (Composite material PCB).
This light emitting diode 1222 is arranged at this circuit board 1220 and is electrically connected on this circuit board 1220; In present embodiment; This light emitting diode 1222 is an example with one; And this light emitting diode 1222 preferably is a High Power LED, and during actual enforcement, this light emitting diode 1222 can be high power polycrystalline encapsulation LED (multi-chip LED).
This leaded light post 124 is to use light transmissive material, as: the composition of polymethyl methacrylate (PMMA), synthetic resin, propylene (acryl), Merlon (PC), polyester (PET), polyolefin (Polyolefines), glass or above-mentioned material is made.Cooperate simultaneously and consult Fig. 4, be the stereogram of the leaded light post of the utility model first embodiment.This leaded light post 124 has a base portion 1240, a light guide section 1242 and a groove 125.This luminescence unit 122 is arranged at this base portion 1240, and the axle center of this leaded light post 124 is to overlap with this optical axis I of this luminescence unit 122.
This light guide section 1242 is to be extended along this optical axis I direction by this base portion 1240, and the end of this light guide section 1242 has an end face 1244, and this end face 1244 is to be circular-arcly towards these base portion 1240 directions to cave in, and the curvature of this end face 1244 is continuous distributed; Again, this end face 1244 is approximately perpendicular to this optical axis I in optical axis I through the tangent line of locating, and uses the light that reflection marches to this end face 1244.In present embodiment, this light guide section 1242 is an example with the cylinder, and during actual enforcement, this light guide section 1242 can be polygon cylinder arbitrarily.And the diameter of this light guide section 1242 is along with increasing progressively away from this base portion 1240 gradually, make the section of this light guide section 1242 roughly be trapezoidal, uses and improves the probability that the light that is incident to this light guide section 1242 transmits with the total internal reflection mode.This light guide section 1242 also comprises an exiting surface 1246, and this exiting surface 1246 connects this bottom 1240 and this end face 1244.
This groove 125 is towards this light guide section 1242 directions depression and form an incidence surface 1250 by this base portion 1240; This light emitting diode 1222 is arranged at this groove 125; Make these leaded light post 124 rings cover this light emitting diode 1222, this light emitting diode 1222 emits beam towards this incidence surface 1250.
Moreover; These light guide section 1242 contiguous these base portion 1240 places are provided with the plane 1248 that a plurality of vertical this optical axis I directions are extended; The diameter on this plane 1248 is substantially equal to the diameter of this end face 1244, and the spacing on adjacent two planes 1248 is along with increasing progressively away from this base portion 1240.In present embodiment, the quantity on this plane 1248 is example with three, when reality is implemented, does not then limit with this.Has a joint face 1249 between wantonly two planes 1248; This joint face 1249 is to successively decrease to make along with moving closer to this base portion 1240 to be connected wantonly two planes 1248 with the distance of this optical axis I with taking the form of inclined plane, meaning promptly the distance of this joint face 1249 and this optical axis I be by one be away from the plane 1248 of this base portion 1240 ora terminalis little by little successively decrease and be connected in another plane of approaching this base portion 1,240 1248.Those planes 1248 and those joint faces 1249 are to improve the probability of light by these light guide section 1242 contiguous these base portion 1240 places refraction bright dippings.
The part light that is sent by this light emitting diode 1222 is directly by this joint face 1249 or the 1248 refraction bright dippings of this plane; Other part light then guides to this end face 1244 with total internal reflection (total internal reflection) form by this light guide section 1242; And in these end face 1244 refraction bright dippings, its light is as shown in Figure 5 through the light intensity distributions of this leaded light post 124.
Consult Fig. 3 again; This first reflecting element 126 is arranged at this end face 1244; At least a portion light that is passed to this end face 1244 is reflected, and this first reflecting element 126 can for example be the sizing material of a metallic film or resin material, and this sizing material can be white in color or silver color etc. has the color of preferable reflecting effect; Implement in reality, can adjust the color of first reflecting element 126 according to actual demand or restriction; Perhaps, this first reflecting element 126 can use a kind of printing opacity glue material (for example UV glue) to process, and wherein this first reflecting element 126 is transparent (or translucent at least), and the refractive index of this first reflecting element 126 is less than the refractive index of this leaded light post 124.
In present embodiment, this first reflecting element 126 is provided with and is covered with in this end face 1244, uses that the light that is passed to this end face 1244 all is reflected, and its corresponding light intensity distributions figure is as shown in Figure 6; Via comparing with Fig. 5, this first reflecting element 126 can reflect the light that is passed to this end face 1244, makes the travel path that changes light, and by these exiting surface 1246 bright dippings, and then the shooting angle of expansion light.
In addition; This first reflecting element 126 can only be arranged at the core of this end face 1244, makes the periphery of this end face 1244 form a transmission region, and is as shown in Figure 7; Be passed to the light of these end face 1244 cores with reflection, figure is as shown in Figure 8 for its light intensity distributions; Perhaps, this first reflecting element 126 can be arranged at the periphery of this end face 1244, makes the core of this end face 1244 form a transmission region, and is as shown in Figure 9, is passed to the light of these end face 1244 peripheries with reflection, and figure is shown in figure 10 for its light intensity distributions.
Moreover; This light source module 128 can also comprise a fluorescent material; This fluorescent material can be distributed in this leaded light post 124 inside equably; Thus, the light through this leaded light post 124 is to make with this fluorescent material generation wavelength conversion to produce a light wavelength conversion line, thereby the user promptly can be according to the color of required photochromic this fluorescent material of change.In addition; In a change shape of the utility model; Its light source module 120a can comprise a fluorescence coating 128a, and is shown in figure 11, and this fluorescence coating 128a is arranged at this incidence surface 1250; Use the light and this fluorescence coating 128a that make through this incidence surface 1250 the wavelength conversion takes place, making the light that is passed to this light guide section 1242 is the light through the wavelength conversion.Again; In another change shape of the utility model; Its light source module 120b can also comprise a fluorescence coating 128b, and is shown in figure 12, the exiting surface 1246 of this leaded light post 124 of this fluorescence coating 128b; Use the light and this fluorescence coating 128b that make through this exiting surface 1246 the wavelength conversion takes place, making by this leaded light post 124 is the light through the wavelength conversion to the light of extraneous outgoing.
Consult Fig. 1, Fig. 2 and Fig. 3 again, this lampshade 130 combines with this pedestal 110 and seals this light source module 120, and this lampshade 130 is to use light-transmitting materials such as resin, plastics or glass to process.In present embodiment; This lampshade 130 is spherical cover body, and during actual enforcement, this lampshade 130 can be the cover body of candle lamp shape or other specific lamp shape according to the difference of application scenario; And; This lampshade 130 can be transparence, translucent or cloudy surface shape according to the difference of the light penetration rate of demand, and the outer surface 132 that wherein translucent lampshade 130 can be divided into this lampshade 130 again is the cloudy surface shape, and perhaps the inner surface 134 of this lampshade 130 is two kinds of different aspects of implementing of cloudy surface shape.
When this luminescence unit 122 was lighted, the light that this light emitting diode 1222 sends was to be incident to this light guide section 1242 by this incidence surface 1250.The part light that is incident to this light guide section 1242 is directly by these exiting surface 1246 bright dippings, and wherein the angular of going into of this part light is less than alinternal reflection angle; Other part light is to guide to this end face 1244 via this light guide section 1242; And via after this first reflecting element that is arranged at this end face 1,244 126 reflections again by these exiting surface 1246 bright dippings, wherein the optic angle of going into of this other part light is the critical angle more than or equal to total internal reflection; By the light of these exiting surface 1246 outgoing is through being passed to the external world behind this lampshade 130, and figure is shown in figure 13 for its light intensity distributions.Because the section of this light guide section 1242 roughly is trapezoidal; Make incidence angle in this light guide section 124, constantly transmit to and fro more than or equal to the light of the critical angle of total internal reflection, until be passed to this end face 1244 and via these first reflecting element, 126 reflections again by these exiting surface 1246 bright dippings.
Consult Fig. 1 and Fig. 2 again; This conductive contact 140 connects this pedestal 110 opposite sides that combine this lampshade 130; This conductive contact 140 is to supply to be bolted in the general contact holder, in order to be electrically connected to an AC power, in present embodiment; This conductive contact 140 can be E26 or E27 conductive contact, does not then limit with this during actual enforcement.
In addition, can also be provided with a reflecting layer 1221 on this circuit board 1220, shown in second figure, this reflecting layer 1221 can be high reflecting material, as: the diaphragm that chromium, aluminium are processed perhaps is surface coated or the plastic sheet that is adhesive with highly reflective material.
Cooperate and to consult Figure 14, be the stereogram of the leaded light post of the utility model the 4th embodiment.The light source module 120c of present embodiment is roughly identical with above-mentioned first embodiment; Its difference is that it also comprises at least one second reflecting element 129; This second reflecting element 129 is arranged at least one plane 1248 wherein; Be passed to the light on this plane 1248 in order to reflection, make the angle of whole emergent ray more level and smooth.This second reflecting element 129 can for example be the sizing material of a metallic film or resin material, and this sizing material can be white in color or silver color etc. has the color of preferable reflecting effect; Perhaps, this second reflecting element 129 can use a kind of printing opacity glue material (for example UV glue) to process, and wherein this second reflecting element 129 is transparent (or translucent at least), and the refractive index of this second reflecting element 129 is less than the refractive index of this leaded light post 124.And this second reflecting material 129 can identical this first reflecting material 126, and perhaps, this second reflecting material 129 can be different from this first reflecting material 126.In present embodiment, this second reflecting element 129 is arranged near this plane 1248 of this end face 1244, does not then limit with this during actual enforcement, and is shown in figure 15 to the surface of intensity distribution that should light source module 120c.
In addition, in another change shape of the utility model, its light source module 120d can comprise a plurality of second reflecting elements 129, and those reflecting elements 129 are arranged at those planes 1248 respectively, and are shown in figure 16, are passed to the light on those planes 1248 in order to reflection.In present embodiment, the quantity on those planes is example with three, and the quantity of those second reflecting elements 129 also is three, and those second reflecting elements 129 are to be arranged at those planes 1248 accordingly.Again, in another change shape of the utility model, second reflecting element 129 of its light source module 120e can only be arranged at two planes 1248 wherein, and is shown in figure 17; In present embodiment; The quantity on those planes 1248 is three; The quantity of those reflecting elements 129 can be two, and this two reflecting element 129 is arranged at this two planes 1248 wherein, and; This 2 second reflecting element 129 is these two planes 1248 that are arranged near this end face 1244, does not then limit with this during actual enforcement.
Cooperate and to consult Figure 18 and Figure 19, be respectively the stereogram of light source module of cutaway view and the utility model the 4th embodiment of the light-emitting device of the utility model second embodiment.The light-emitting device 20 of present embodiment is roughly identical with above-mentioned first embodiment, and its difference is leaded light post 224 and this lampshade 230 of its light source module 220.
This leaded light post 224 of this light source module 220 comprises a base portion 2240 and a light guide section 2242, and this luminescence unit 122 is arranged at this base portion 2240.This light guide section 2242 is to be extended by the optical axis direction of this base portion 2240 along a luminescence unit 1222.The end of this light guide section 2242 has an end face 2244, and this end face 2244 is to be circular-arcly towards these base portion 2240 directions to cave in, and the curvature of this end face 2244 is continuous distributed.
The diameter of this light guide section 2242 is along with increasing progressively away from this base portion 2240 gradually, making the section of this light guide section 2242 roughly be trapezoidal; This light guide section 2242 also comprises an exiting surface 2246, and this exiting surface 2246 connects this bottom 2240 and this end face 2244.
This end face 2244 is provided with one first reflecting element 226, and in present embodiment, this first reflecting element 226 is provided with and is covered with in this end face 2244, uses that the light that is passed to this end face 2244 all is reflected.When reality was implemented, this first reflecting element 226 can only be arranged at the core of this end face 2244, and perhaps, this first reflecting element 226 can be arranged at the periphery of this end face 2244.
These light guide section 2242 contiguous these base portion 2240 places are provided with the plane 2248 that a plurality of vertical this optical axis I directions are extended; The diameter on this plane 2248 is substantially equal to the diameter of this end face 2244; And the spacing on adjacent two planes 2248 is along with increasing progressively away from this base portion 2240.In present embodiment, the quantity on this plane 2248 is four and is example, when reality is implemented, then do not limit with this.Have a joint face 2249 between wantonly two planes 2248, this joint face 2249 is to successively decrease to make along with moving closer to this base portion 2240 to be connected wantonly two planes 2248 with the distance of this optical axis I with taking the form of inclined plane.
This light emitting diode 1222 is arranged at this groove 225, makes these leaded light post 224 rings cover this light emitting diode 1222, and this light emitting diode 1222 is to emit beam towards this light guide section 2242, and this light is shown in figure 20 through the light intensity distributions behind this leaded light post 224.
In addition, can also be provided with a reflecting layer 1221 on this circuit board 1220, this reflecting layer 1221 can be high reflecting material, as: the diaphragm that aluminium, chromium are processed perhaps is surface coated or the plastic sheet that is adhesive with highly reflective material.This light source module 220 can comprise at least one second reflecting layer, and this second reflecting layer is arranged at this at least one plane 2248 wherein; The quantity in this second reflecting layer can be for one or more, and are arranged at this plane 2248 or a plurality of planes 2248 wherein wherein, or quantity is arranged at those planes 2248 accordingly.Its detailed description is same as the light source module of the 6th embodiment, the 7th embodiment and the 8th embodiment, then will not give unnecessary details at this.Again, this light source module 220 can also comprise a fluorescence coating, and this fluorescence coating can be arranged at an incidence surface or this exiting surface 2246 of this leaded light post 224, and its detailed description is same as the light source module of the 4th embodiment and the 5th embodiment, then will not give unnecessary details at this.
Consult Figure 18 again, an outer surface 232 of this lampshade 230 comprises many micro-structurals 236, and those micro-structurals 236 preferably can rounded or hexagon, does not then limit with this during actual enforcement; Perhaps, those micro-structurals 236 can be arranged at an inner surface 234 of this lampshade 230.Those micro-structurals 236 mainly in order to eliminate the halation that this light source module 220 produces, make the illumination effect that promotes this light-emitting device 20.This lampshade 230 combines with this pedestal 110 and seals this light source module 220, and the light intensity distributions figure of this light-emitting device 20 is shown in figure 21.
Comprehensive the above, this light source module of the utility model be through this leaded light post to change the travel path of light, use the shooting angle that enlarges effectively through the light of this leaded light post, so that be applicable to the light fixture of general normal use now.
Certainly; The utility model also can have other various embodiments; Under the situation that does not deviate from the utility model spirit and essence thereof; Those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the utility model.
Claims (26)
1. a light source module is characterized in that, comprises:
One luminescence unit has an optical axis, and this luminescence unit comprises at least one light emitting diode;
One leaded light post, this leaded light post comprise a base portion, by the light guide section of this base portion along this optical axis extension, and this light guide section end has an end face, and this end face is towards this base portion direction depression, and the curvature of this end face is continuous; And
One first reflecting element is arranged at least a portion of this end face;
Wherein, the part light that this luminescence unit sends is passed to this first reflecting element via this leaded light post, and this part light of this first reflected also makes this part light by this light guide section bright dipping.
2. light source module according to claim 1 is characterized in that, the diameter of this light guide section is along with increasing progressively away from this base portion gradually.
3. light source module according to claim 2; It is characterized in that; This leaded light post also comprises the plane that a plurality of vertical these optical axis directions extend; The spacing on any two planes has a joint face along with increasing progressively away from this base portion between any two planes, the distance of this joint face and this optical axis is successively decreased along with moving closer to this base portion.
4. light source module according to claim 3 is characterized in that, also comprises at least one second reflecting element, be arranged at said plane at least one of them.
5. light source module according to claim 1 is characterized in that, also comprises a fluorescence coating, is arranged at an exiting surface, and this exiting surface connects this base portion and this end face.
6. light source module according to claim 1 is characterized in that, this leaded light post also comprises a groove, and towards this light guide section depression and form an incidence surface, this light emitting diode is arranged at this groove to this groove by this base portion.
7. light source module according to claim 6 is characterized in that, also comprises a fluorescence coating, is arranged at this incidence surface.
8. light source module according to claim 1 is characterized in that this luminescence unit also comprises a circuit board, and this light emitting diode is arranged at this circuit board.
9. light source module according to claim 1 is characterized in that this first reflecting element is arranged at the core of this end face.
10. light source module according to claim 1 is characterized in that this first reflecting element is arranged at the periphery of this end face.
11. light source module according to claim 1 is characterized in that, this first reflecting element covers this end face fully.
12. light source module according to claim 1 is characterized in that, this light emitting diode is High Power LED or high power polycrystalline encapsulation LED.
13. a light-emitting device is characterized in that, comprises:
One pedestal;
One light source module is arranged at this pedestal, and this light source module comprises:
One luminescence unit has an optical axis, and this luminescence unit comprises at least one light emitting diode;
One leaded light post, this leaded light post comprise a base portion and by the light guide section of this base portion along this optical axis extension, and this light guide section end has an end face, and this end face is towards this base portion direction depression, and the curvature of this end face is continuous; And
One first reflecting element is arranged at least a portion of this end face;
One lampshade combines with this pedestal, makes this light source module as between this lampshade and this pedestal; And
One conductive contact connects this pedestal and is oppositely arranged a side of this lampshade;
Wherein, the part light that this luminescence unit sends is passed to this first reflecting element via this leaded light post, this part light of this first reflected and make this part light by this light guide section bright dipping after be passed to this lampshade bright dipping again.
14. light-emitting device according to claim 13 is characterized in that, the diameter of this light guide section is along with increasing progressively away from this base portion gradually.
15. light-emitting device according to claim 1; It is characterized in that; This leaded light post also comprises the plane that a plurality of vertical these optical axis directions extend; The spacing on any two planes has a joint face along with increasing progressively away from this base portion between any two planes, the distance of this joint face and this optical axis is successively decreased along with moving closer to this base portion.
16. light-emitting device according to claim 15 is characterized in that, also comprises at least one second reflecting element, be arranged at said plane at least one of them.
17. light-emitting device according to claim 13 is characterized in that, this light source module also comprises a fluorescence coating, is arranged at an exiting surface, and this exiting surface connects this base portion and this end face.
18. light-emitting device according to claim 13 is characterized in that, this leaded light post also comprises a groove, and towards this light guide section depression and form an incidence surface, this light emitting diode is arranged at this groove to this groove by this base portion.
19. light-emitting device according to claim 18 is characterized in that, this light source module also comprises a fluorescence coating, is arranged at this incidence surface.
20. light-emitting device according to claim 13 is characterized in that, an outer surface of this lampshade is provided with a plurality of micro-structurals.
21. light-emitting device according to claim 13 is characterized in that, this luminescence unit also comprises a circuit board, and this light emitting diode is arranged at this circuit board.
22. light-emitting device according to claim 13 is characterized in that, this first reflecting element is arranged at the core of this end face.
23. light-emitting device according to claim 13 is characterized in that, this first reflecting element is arranged at the periphery of this end face.
24. light-emitting device according to claim 13 is characterized in that, this first reflecting element covers this end face fully.
25. light-emitting device according to claim 13 is characterized in that, this light emitting diode is High Power LED or high power polycrystalline encapsulation LED.
26. light-emitting device according to claim 21 is characterized in that, also comprises a reflecting layer, is arranged on this circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204097794U CN202274328U (en) | 2011-10-20 | 2011-10-20 | Light source module and lighting device having same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204097794U CN202274328U (en) | 2011-10-20 | 2011-10-20 | Light source module and lighting device having same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202274328U true CN202274328U (en) | 2012-06-13 |
Family
ID=46194688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204097794U Expired - Fee Related CN202274328U (en) | 2011-10-20 | 2011-10-20 | Light source module and lighting device having same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202274328U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014047983A1 (en) * | 2012-09-18 | 2014-04-03 | 天津天星电子有限公司 | Three-dimensionally irradiating reflector-lamp and method |
| CN107658377A (en) * | 2016-07-26 | 2018-02-02 | 宏齐科技股份有限公司 | Package structure of light emitting diode |
| CN111367118A (en) * | 2018-12-25 | 2020-07-03 | 中强光电股份有限公司 | Light source module and light splitting element |
-
2011
- 2011-10-20 CN CN2011204097794U patent/CN202274328U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014047983A1 (en) * | 2012-09-18 | 2014-04-03 | 天津天星电子有限公司 | Three-dimensionally irradiating reflector-lamp and method |
| CN107658377A (en) * | 2016-07-26 | 2018-02-02 | 宏齐科技股份有限公司 | Package structure of light emitting diode |
| CN110993774A (en) * | 2016-07-26 | 2020-04-10 | 宏齐科技股份有限公司 | Package structure of light emitting diode |
| CN110993774B (en) * | 2016-07-26 | 2022-03-29 | 宏齐科技股份有限公司 | Package structure of light emitting diode |
| CN111367118A (en) * | 2018-12-25 | 2020-07-03 | 中强光电股份有限公司 | Light source module and light splitting element |
| CN111367118B (en) * | 2018-12-25 | 2023-04-28 | 中强光电股份有限公司 | Light source module and light splitting element |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120613 Termination date: 20171020 |
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