CN202221046U - Reflection unit and light source module thereof - Google Patents
Reflection unit and light source module thereof Download PDFInfo
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- CN202221046U CN202221046U CN2011203626663U CN201120362666U CN202221046U CN 202221046 U CN202221046 U CN 202221046U CN 2011203626663 U CN2011203626663 U CN 2011203626663U CN 201120362666 U CN201120362666 U CN 201120362666U CN 202221046 U CN202221046 U CN 202221046U
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Abstract
The utility model relates to a reflection unit, it cooperates in a leaded light component, leaded light component contains one and goes out light portion, and goes out light portion and have one towards the sunken first recess of light portion direction of going into, reflection unit contains a fixed component and a reflection element, fixed component sets up in the periphery on light portion top, reflection element sets up in fixed component and seals this first recess and form the light transmission space of a taper. The reflecting unit provided by the utility model is used for reflecting the light emitted by a light emitting unit and passing through the light guide element so as to change the light intensity distribution of the light; the fixing element is arranged on the periphery of the top end of the light-emitting part of the light guide element, and the reflecting element is arranged on the fixing element, so that the reflecting element and the light guide element can be effectively prevented from falling off due to small contact area.
Description
Technical field
The utility model refers to a kind of reflector element and light source module thereof of light emitting diode especially about a kind of reflector element.
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, causes the shadow surface of light emitting diode narrow compared to traditional light emitting source, therefore be applicable to the light fixture that short distance and zonule illumination are provided, like desk lamp.
For making light emitting diode be applied to other light fixture, like 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 exposure intensity that reaches; But; The increase of light emitting diode usage quantity makes 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 is unwilling to use the main cause of led lamp more far above traditional light emitting source for the user.
The utility model content
In view of this, a purpose of the utility model is to provide a kind of reflector element, and it is matched with a light-guide device, and this reflector element is in order to reflect the light that is sent and passed through this light-guide device by a luminescence unit, to change the light intensity distributions of light.
Another purpose of the utility model is to provide a kind of light source module, and this light source module can enlarge the shooting angle through light effectively.
For achieving the above object, the utility model provides a kind of reflector element, and it is matched with a light-guide device, and said light-guide device comprises a light in part and a light out part, and light out part has first groove towards light in part direction depression, and said reflector element comprises:
One retaining element, it is arranged at the periphery on light out part top;
One reflecting element, it is arranged at retaining element and seals first groove and the light that forms a taper transmits the space.
As the preferred version of above-mentioned a kind of reflector element, wherein said retaining element comprises at least four projections, and said projection is arranged at the periphery on light out part top equally spacedly.
As the preferred version of above-mentioned a kind of reflector element, wherein said retaining element is a ring-like protuberance.
As the preferred version of above-mentioned a kind of reflector element, wherein said reflector element also comprises a glue material, and the glue material is arranged between retaining element and the reflecting element.
As the preferred version of above-mentioned a kind of reflector element, wherein said retaining element and light-guide device are formed in one.
The utility model also provides a kind of light source module, and said light source module comprises:
One light-guide device, at least one light-emitting component and a reflector element;
Said light-guide device comprises:
One light guide section;
One light in part, it is connected in a side of light guide section;
One light out part, it is connected in the opposite side of light guide section, and said light out part has a plane and one first groove, and first groove is by the direction depression of plane centre towards light guide section;
Said light-emitting component is arranged at light in part;
Said reflector element comprises:
One retaining element, it is arranged at the periphery on light out part top;
One reflecting element, it is arranged at retaining element and seals first groove and the light that forms a taper transmits the space.
As the preferred version of above-mentioned a kind of light source module, wherein said retaining element comprises at least four projections, and said projection is arranged at light out part equally spacedly.
As the preferred version of above-mentioned a kind of light source module, wherein said retaining element is a ring-like protuberance.
As the preferred version of above-mentioned a kind of light source module, wherein said reflector element also comprises a glue material, and the glue material is arranged between retaining element and the reflecting element.
As the preferred version of above-mentioned a kind of light source module, wherein said retaining element and light-guide device are formed in one.
As the preferred version of above-mentioned a kind of light source module, the diameter of wherein said light in part is along with successively decreasing away from light guide section gradually.
As the preferred version of above-mentioned a kind of light source module, wherein said light source module also comprises a taper, and taper is connected between light guide section and the light out part, and the diameter of taper is along with successively decreasing away from light guide section gradually.
As the preferred version of above-mentioned a kind of light source module, the diameter of wherein said light out part is along with increasing progressively away from taper gradually.
As the preferred version of above-mentioned a kind of light source module, wherein said light source module also comprises a bottom, and the bottom is connected in a side of light in part, and the bottom has a plurality of support members.
As the preferred version of above-mentioned a kind of light source module, wherein said light source module also comprises a storage tank, and storage tank is caved in towards the light out part direction by the bottom.
As the preferred version of above-mentioned a kind of light source module, wherein said light out part also comprises one second groove, and second groove is positioned at the centre of first groove, and the subtended angle of second groove is less than the subtended angle of first groove.
The reflector element that the utility model provided is in order to reflect the light that is sent and passed through this light-guide device by a luminescence unit, to change the light intensity distributions of light; The light out part top periphery of this light-guide device is provided with this retaining element, and this reflecting element is arranged at this retaining element, and thus, the situation that can avoid this reflecting element and this light-guide device to come off because of contact area is little effectively produces.
Description of drawings
Fig. 1 is the light source module stereogram of the utility model first embodiment;
Fig. 2 is the light source module cutaway view of the utility model first embodiment;
Fig. 3 is another stereogram of light source module of the utility model first embodiment;
Fig. 4 is the light intensity distributions figure of light through this light-guide device;
Fig. 5 is the light intensity distributions figure of light through this light source module;
Fig. 6 is the light source module stereogram of the utility model second embodiment;
Fig. 7 is the light source module cutaway view of the utility model the 3rd embodiment;
Fig. 8 is the light source module stereogram of the utility model the 4th embodiment.
[main element symbol description]
Light source module-10,10a, 20,20a; Light-emitting component-12,22; Light-guide device-14,24,24a; Light guide section-142,242; Light in part-144,244; Taper-146; Light out part-148,248,248a; Plane-1481,2481,2481a; First groove-1482,2482,2482a; First exiting surface-1484,2484; Second groove-1486,2486a; Second exiting surface-1488; Bottom-150,250; Storage tank-1502,2502; Support member-1504,2504; Reflector element-16,26,16a, 26a; Retaining element-162,262,162 a, 262a; Projection-163a, 263a; Reflecting element-164,264; Glue material-18; Light transmits space-19,29; Optical axis-I; Subtended angle-θ 1, θ 2; Vertical light intensity distributions-V; Lateral light-intensity distribution-H.
The specific embodiment
Detailed description of relevant the utility model and technology contents, it is following to see also following detailed description and description of drawings, and accompanying drawing and detailed description are not to be used to limit the utility model only as the usefulness of explanation.
Cooperate and consult Fig. 1 and Fig. 2, be respectively light source module stereogram and the cutaway view of the utility model first embodiment.Light source module 10 comprises at least one light-emitting component 12, a light-guide device 14 and a reflector element 16.Light-emitting component 12 has an optical axis I, and light-emitting component 12 is the light emitting source of light source module 10, and required light source provides when providing light source module 10 to light.The quantity of light-emitting component 12 can be for one or more; In the present embodiment, be example with one; And light-emitting component 12 can be light emitting diode or polycrystalline encapsulation LED, and preferably, light-emitting component 12 is High Power LED or high power polycrystalline encapsulation LED.
Light-guide device 14 is arranged on the light-emitting component 12, light-guide device 14 axisymmetricly and the central axis of light-guide device 14 overlap with optical axis I, light-guide device 14 has a light guide section 142, a light in part 144, a taper 146 and a light out part 148.Light-guide device 14 can use light transmissive materials such as polymethyl methacrylate (PMMA), propylene (acryl), Merlon (PC), polyester (PET), polyolefin (Polyolefines), synthetic resin or glass; The cylinder that is made with modes such as ejection formation, etching, hot-forming or processing of cutting; And; This light transmissive material can be transparence or nontransparent shape, and at least a portion light or whole light that can supply light-emitting component 12 to send pass through.In addition, this light transmissive material can add solid color or multiple color and that light through light-guide device 14 is converted into is required photochromic.
Light out part 148 is connected in a side of taper 146, and the diameter of light out part 148 is along with increasing progressively away from taper 146 gradually.The end of light out part 148 has a plane 1481 and one first groove, 1482, the first grooves 1482 are funnel-shaped depression by plane 1481 centre towards the direction of light in part 144, and first groove 1482 cooperates with light out part 148 and defines one first exiting surface 1484.The centre of first groove 1482 also comprises one and is second groove 1486 of taper depression towards light in part 144 directions; Second groove 1486 cooperates with light out part 148 and defines one second exiting surface 1488; Wherein, the subtended angle θ 2 of second groove 1486 is less than the subtended angle θ 1 of first groove 1482.
Light-guide device 14 also comprises a bottom 150; The side that bottom 150 is connected in light in part 144, the centre of bottom 150 have a storage tank 1502 towards light out part 148 directions depression, and light in part 144 cooperates with storage tank 1502 and defines an incidence surface; Incidence surface is towards 150 the direction protrusion of bottom; Promptly, thus, can assemble light by this incidence surface incident away from the direction protrusion of light out part 148.Light-emitting component 12 is arranged at storage tank 1502, and emits beam towards this incidence surface.The bottom 150 also comprises a plurality of support members 1504, and is as shown in Figure 3, and support member 1504 roughly is and is arranged at bottom 150 equally spacedly, and it is mainly in order to support light-guide device 14, makes light-guide device 14 be positioned at directly over the light-emitting component 12 and avoids weighing wounded light-emitting component 12.
Be incident to light-guide device 14 by the light of light-emitting component 12 outgoing by the incidence surface of light in part 144; Light in part 144 make most incident light with total-reflection type be passed to light guide section 142, light guide section 142 guides to taper 146 with this light, taper 146 reflecting part light; Make and be passed to first exiting surface 1484 and second exiting surface 1488; And by this first exiting surface or this second exiting surface bright dipping, wherein, light is as shown in Figure 4 through the light intensity distributions figure of this light-guide device; Dotted line among the figure is in order to represent vertical light intensity distributions V, and solid line is in order to expression lateral light-intensity distribution H.
Consult Fig. 1 and Fig. 2 again, reflector element 16 comprises a retaining element 162 and a reflecting element 164, and retaining element 162 is arranged at the periphery on light out part 148 tops; In the present embodiment, retaining element 162 comprises a ring-like protuberance.Retaining element 162 can use light transmissive materials such as polymethyl methacrylate (PMMA), propylene (acryl), Merlon (PC), polyester (PET), polyolefin (Polyolefines), synthetic resin or glass to be made; And retaining element 162 can be formed in one with light-guide device 14 or be pasted on the periphery on light out part 148 tops through at least one sticker (not shown); In the present embodiment, retaining element 162 is formed in one with light-guide device 14.
Reflecting element 164 is arranged at retaining element 162 and seals first groove 1482 and second groove 1486, makes light source module 10 between light-guide device 14 and reflecting element 164, form a taper and have air to transmit space 19 as the light that light transmits medium.Light in first exiting surface 1484 or 1488 outgoing of second exiting surface; Transmit space 19 via light and be passed to reflecting element 164; These light of reflecting element 164 reflection also make this light be incident to light-guide device 14 through first exiting surface 1484 or second exiting surface 1488, again via the surperficial bright dipping of light out part 148; Wherein, roughly be acute angle at the light of first exiting surface 1484 or 1488 outgoing of second exiting surface and the angle between the light of first exiting surface 1484 or 1488 incidents of second exiting surface; Thus; Can more effectively enlarge this light refraction rising angle, and then promote the rising angle of light source module 10, light is as shown in Figure 5 through the light intensity distributions figure of light source module 10; Dotted line among the figure is in order to represent vertical light intensity distributions V, and solid line is in order to expression lateral light-intensity distribution H.
Reflecting element 164 can (for example) be the plastics or the sheet glass of sheet metal, optical filter or the sizing material coating with resin material; Wherein, This optical filter is a reflection optical filter; This sizing material can be white in color or silver color etc. has the color of preferable reflecting effect, in reality is implemented, can adjust the color of reflecting element 16 according to actual demand or restriction.
Can also comprise a glue material 18 between reflecting element 164 and the retaining element 162, in order to reflecting element 164 is bonded in retaining element 162, glue material 18 preferably can be double faced adhesive tape.
Cooperate and consult Fig. 6, be the light source module stereogram of the utility model second embodiment.The light source module 10a of present embodiment is roughly identical with above-mentioned first embodiment; Difference is; The retaining element 162a of its reflector element 16a, retaining element 162a comprise at least four projection 163a, and projection 163a is the periphery that is arranged at light out part 148 tops equally spacedly.Projection 163a can be pasted on the periphery on light out part 148 tops through a sticker (not shown), and perhaps, projection 163a and light-guide device 14 can be formed in one; In the present embodiment, projection 163a and light-guide device 14 are example with one-body molded.Reflecting element 164 can be arranged at projection 163a and seal first groove 1482 and second groove 1486 through a glue material (not shown), makes light source module 10a between light-guide device 14 and reflecting element 164, form a taper and have air to transmit space 19 as the light that light transmits medium; Thus; Can enlarge the rising angle of light source module 20a effectively; And the situation that projection 163a can avoid reflecting element 164 and light-guide device 14 to come off because of contact area is little effectively produces, and then can promote the yield that is provided with of this reflecting element 164.
Cooperate and consult Fig. 7, be the light source module cutaway view of the utility model the 3rd embodiment.Light source module 20 comprises at least one light-emitting component 22, a light-guide device 24 and a reflector element 26.Light-emitting component 22 has an optical axis I, light-emitting component 22 mainly when providing this light source module 20 to light required light source provide.The quantity of light-emitting component 22 can be for one or more; In the present embodiment, light-emitting component 22 is an example with one; Light-emitting component 22 can be light emitting diode or polycrystalline encapsulation LED, and preferably, light-emitting component 22 can be High Power LED or high power polycrystalline encapsulation LED.
Light-guide device 24 is arranged on the light-emitting component 22; In the present embodiment, light-guide device 24 is roughly a cylinder, does not then limit with this during actual enforcement; Light-guide device 24 can use light transmissive materials such as polymethyl methacrylate, propylene, Merlon, polyester, polyolefin, synthetic resin or glass; The cylinder that is made with modes such as ejection formation, etching, hot-forming or processing of cutting; And; This light transmissive material can be transparence or nontransparent shape, and at least a portion light or whole light that can supply light-emitting component 22 to send pass through.In addition, this light transmissive material can add solid color or multiple color and that light through light-guide device 24 is converted into is required photochromic.
Light-guide device 24 comprises a light guide section 242, a light in part 244, a light out part 248 and a bottom 250, and light in part 244 and light out part 248 are respectively in abutting connection with the both sides of light guide section 242.
The end of light out part 248 has a plane 2481 and one first groove, 2482, the first grooves 2482 are to be caved in towards light in part 244 directions by this plane 2481, and forms one first exiting surface 2484; In the present embodiment, first groove 2482 preferably is taper.
Reflecting element 264 is arranged at retaining element 262 and seals first groove 2482, makes light source module 20 between light-guide device 24 and reflecting element 264, form a taper and have air to transmit space 29 as the light that light transmits medium.Reflecting element 264 can (for example) be the plastics or the sheet glass of a sheet metal, optical filter or the coating of the sizing material with resin material, and this optical filter preferably is a reflection optical filter, and this sizing material can be white in color or silver color etc. has the color of preferable reflecting effect; When reality is implemented, can adjust the color of reflecting element 264 according to actual demand or restriction.In addition; Reflecting element 264 can also be bonded in retaining element 262 through a glue material (not shown); Thus, can increase the contact area between reflecting element 26 and the light-guide device 24 effectively, make and avoid reflecting element 26 because of producing with the little situation that comes off of light-guide device 24 contacts area.
Cooperate and consult Fig. 8, be the light source module stereogram of the utility model the 4th embodiment.The light source module 20a of present embodiment is identical as for above-mentioned the 3rd embodiment greatly, and difference is, the light out part 248a of its light-guide device 24a and the retaining element 262a of reflector element 26a.Light out part 248a has a plane 2481a; The centre of plane 2481a has one first groove 2482a; The centre of the first groove 2482a also comprises one and is the second groove 2486a of taper depression towards light in part 244 directions; Wherein, the subtended angle of the second groove 2486a is less than the subtended angle of the first groove 2482a.
Retaining element 262a comprises at least four projection 263a, and projection 263a is the periphery that is arranged at light out part 248a top equally spacedly.Projection 263a can be pasted on the periphery on light out part 248 tops through a sticker (not shown), and perhaps, projection 263a and light-guide device 24a can be formed in one; In the present embodiment, projection 263a and light-guide device 24a are formed in one.Reflecting element 264 can be arranged at projection 263a and seal the first groove 2482a and the second groove 2486a through a glue material (not shown), makes light source module 20a between light-guide device 24a and reflecting element 264, form one and has air transmits medium as light light transmission space; Thus, the situation that can avoid reflecting element 264 and light-guide device 24a to come off because of contact area is little effectively produces, and then can promote the qualification rate that is provided with of reflecting element 264.
In sum; Periphery is provided with this retaining element to the utility model on the light out part top of light-guide device; This reflecting element is arranged at this retaining element, and thus, the situation that can avoid this reflecting element and this light-guide device to come off because of contact area is little effectively produces; And this light that forms between this reflecting element and this light-guide device transmits the space can enlarge the angle by this light out part periphery emergent ray effectively, it is suitable for is installed in the light fixtures such as common on the market bulb or candle lamp.
The above is merely the preferred embodiment of the utility model, is not in order to limit the claim of the utility model, to use spiritual equivalence variation of being done of the utility model patent and modification etc. such as, all should in like manner belong to the scope of patent protection of the utility model.
Claims (16)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203626663U CN202221046U (en) | 2011-09-26 | 2011-09-26 | Reflection unit and light source module thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203626663U CN202221046U (en) | 2011-09-26 | 2011-09-26 | Reflection unit and light source module thereof |
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| Publication Number | Publication Date |
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| CN202221046U true CN202221046U (en) | 2012-05-16 |
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| CN2011203626663U Expired - Fee Related CN202221046U (en) | 2011-09-26 | 2011-09-26 | Reflection unit and light source module thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104456163A (en) * | 2013-09-23 | 2015-03-25 | 欧普照明股份有限公司 | Decorative lamp and optical module used for same |
-
2011
- 2011-09-26 CN CN2011203626663U patent/CN202221046U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104456163A (en) * | 2013-09-23 | 2015-03-25 | 欧普照明股份有限公司 | Decorative lamp and optical module used for same |
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Granted publication date: 20120516 Termination date: 20120926 |