CN103322430A - Light-emitting device - Google Patents
Light-emitting device Download PDFInfo
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- CN103322430A CN103322430A CN2012100730931A CN201210073093A CN103322430A CN 103322430 A CN103322430 A CN 103322430A CN 2012100730931 A CN2012100730931 A CN 2012100730931A CN 201210073093 A CN201210073093 A CN 201210073093A CN 103322430 A CN103322430 A CN 103322430A
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Abstract
A light-emitting device comprises a polyhedral substrate, a plurality of light emitting diode units, a power supply component and an interface, wherein the polyhedral substrate is provided with a plurality of outer surfaces, and an accommodating space is formed in the middle of the substrate; the power supply component is arranged in the accommodating space and electrically connected with the plurality of the light emitting diode units; and the interface extends from the accommodating space and is electrically connected with the power supply component. According to the light-emitting device, the polyhedral substrate is designed, and light emitted by the plurality of the light emitting diode units with different surfaces on the substrate can cover larger light-emitting angles.
Description
Technical field
The present invention relates to a kind of light-emitting device, particularly a kind of light-emitting device of light emitting diode.
Background technology
Light emitting diode (1ight emitting diode, LED) is a kind of semiconductor element, by the again combination of electric hole and duplet, the form of energy with light is discharged.Volume is little, the life-span is long, power consumption is low because LED has, reach the advantages such as pollution-free, and under follow-up research and development improvement, the luminous intensity of LED is significantly improved, and therefore replaces gradually old incandescent lamp.
Usually, light emitting diode (LED) then often has less lighting angle for reaching better luminous intensity, and promotes lighting angle, again can be so that the luminous intensity reduction.Therefore, how to have luminous intensity and lighting angle concurrently and become the problem of using positive solution in the industrial circle.In the prior art, the LED luminescence component must configure pedestal separately with accommodating power supply module in addition, the volume that so can make light-emitting device integral body with increase.
Therefore, how to provide a kind of light-emitting device with larger lighting angle of taking into account, and in limited space, still have good radiating efficiency and arrange other such as the important element such as power supply among device, become one of important topic.
Summary of the invention
Because above-mentioned problem, purpose of the present invention is for providing a kind of light-emitting device of larger lighting angle.
Because above-mentioned problem, other purposes of the present invention are in limited space, still have good radiating efficiency and other are set such as the light-emitting device of the elements such as power supply module in device.
For reaching above-mentioned purpose, comprise a polyhedral substrate, a plurality of light emitting diode, a power supply module and a joint according to a kind of light-emitting device of the present invention.Wherein, polyhedral substrate has a plurality of outer surfaces, and the central authorities of polyhedral substrate form an accommodation space, and light emitting diode is arranged at respectively outer surface, and power supply module is arranged at accommodation space, and power supply module and light emitting diode electric connection.Joint then stretches out from accommodation space, and joint and power supply module are electrically connected.
In an embodiment of the present invention, polyhedral substrate can be formed by connecting by a plurality of planar substrates, and perhaps polyhedral substrate can be formed in one and make.
In an embodiment of the present invention, polyhedral substrate can be rigid substrates or flexible base plate.Rigid substrates can be circuit board, ceramic substrate or metal substrate; Flexible base plate can be polymeric substrate, such as but not limited to plastic substrate.
In an embodiment of the present invention, polyhedral substrate can be pointed cone shape or blunt nosed cone shape.
In an embodiment of the present invention, polyhedral substrate can have a base plate, and joint is arranged at base plate.
In an embodiment of the present invention, light-emitting device more can comprise a radiator, is arranged at polyhedral substrate.Radiator is such as but not limited to the outer surface that is arranged at polyhedral substrate, and perhaps radiator is arranged at accommodation space.
In an embodiment of the present invention, light emitting diode has at least one LED crystal particle (LEDdie) or LED encapsulation body (LED package).
In an embodiment of the present invention, light-emitting device more can comprise a lampshade, is connected in polyhedral substrate.Lampshade can be doped with fluorescent powder, in order to change the photochromic of light bright dipping; Perhaps, lampshade other particles that can mix are in order to modulation optical characteristics (such as but not limited to scattering state).
In an embodiment of the present invention, light-emitting device more can comprise a temperature-sensitive sticker, is arranged at accommodation space, and is electrically connected with power supply module.When the temperature-sensitive sticker detected temperatures is too high, then can make power supply module stop described a plurality of light emitting diode power supplies are avoided burning to protect described a plurality of light emitting diode.
In sum, light-emitting device of the present invention is by the design of polyhedral substrate, makes to be located in the light that a plurality of light emitting diodes of different surfaces send on it and can to contain larger lighting angle.In addition, polyhedral substrate also provides larger accommodation space, power supply and other electrical assemblies can be contained in the accommodation space of polyhedral substrate formation, light emitting diode can directly can be directly connected to power supply module via the set hole of polyhedral substrate.
Description of drawings
Figure 1A is the schematic diagram of polyhedral substrate first preferred embodiment of light-emitting device of the present invention;
Figure 1B is the schematic diagram of polyhedral substrate the second preferred embodiment of the present invention;
Fig. 1 C is the schematic diagram of polyhedral substrate the 3rd preferred embodiment of the present invention;
Fig. 2 A is the first aspect schematic diagram that light emitting diode of the present invention is arranged in light emitting diode;
Fig. 2 B is that light emitting diode of the present invention is arranged schematic diagram;
Fig. 2 C is the second aspect schematic diagram that light emitting diode of the present invention is arranged in light emitting diode
Fig. 3 A is the schematic diagram that light emitting diode is arranged at substrate;
Fig. 3 B is the schematic diagram that light emitting diode directly is arranged at polyhedral substrate;
Fig. 4 A is the schematic diagram of light-emitting device the first preferred embodiment of the present invention;
Fig. 4 B is the schematic diagram of light-emitting device the second preferred embodiment of the present invention;
Fig. 4 C is the schematic diagram of light-emitting device the 3rd preferred embodiment of the present invention;
Fig. 5 is the schematic diagram that light-emitting device of the present invention has radiator; And
Fig. 6 and Fig. 7 are the schematic diagram that light-emitting device of the present invention has lampshade.
Wherein, description of reference numerals is as follows:
1a, 1b, 1c, 4a～4c, 5: light-emitting device
10a～10c, 40: polyhedral substrate
11,11 ', 112,113,114: substrate
12: conductive hole
20a～20e, 30,50: light emitting diode
21: LED encapsulation body
56,56 ': housing
57: column
58: joint
59,59 ': base plate
B: substrate
F: radiating fin
G, G ': lampshade
H: hole
HS: radiator
P1, P2: horizontal plane
S: accommodation space
T: conducting wire
W: wire
The specific embodiment
Hereinafter with reference to relevant drawings, the light-emitting device with larger lighting angle according to preferred embodiment of the present invention is described, wherein identical element will be illustrated with identical reference marks.
Light-emitting device of the present invention is formed the stereochemical structure of multi-surface by polyhedral substrate, and can be used as lighting device.In a preferred embodiment, the outward appearance of light-emitting device of the present invention is that the substrate that the side has more than three is bonded with each other, and the top can be horizontally disposed with and be connected other by a substrate and consist of polyhedral substrate, forms " blunt nosed " cone.Figure 1A is the schematic diagram about polyhedral substrate first preferred embodiment of a kind of light-emitting device of the present invention.In the present embodiment, the side of light-emitting device has four trapezoidal substrates 11, the top by the substrate 11 of a rectangle ' connect covering, substrate 11,11 ' jointly enclose consist of polyhedral substrate 10a, and form an accommodation space S in its central authorities.
Yet, be positioned at the substrate of side in the light-emitting device, be not limited to trapezoidal, more can be square, rectangle, triangle, pentagon, hexagon or other geometries, do not limited at this, the shape of the substrate on top then with meet the side substrate was enclosed to form jointly is shaped as principle.For instance, in the present embodiment, be positioned at the polyhedral substrate 11 on top ' meet four trapezoidal substrates 11 mutually to enclose the rear opening that the top is a rectangle that forms.Yet the form of light-emitting device more can combine polyhedral substrate mutually by the substrate of more than one shapes." blunt nosed " also can be linear except can be the plane.As shown in Figure 1B, light-emitting device arranges and forms four surfaces of polyhedral substrate 10b in the compartment of terrain in twos by two triangle substrates 112 and two rectangular substrate 113, take the formation top as rectilinear stereochemical structure.
In addition, also be not limited to " blunt nosed " cone on the top of light-emitting device of the present invention, more can be " tip " cone.Shown in Fig. 1 C, light-emitting device can be the four sides cone, by four equal and opposite in direction polyhedral substrate 10c that leg-of-mutton substrate 114 consists of, mutually forms the four sides cone with spike after the combination in the side of light-emitting device.
Certainly, each outer surface of the polyhedral substrate of light-emitting device also can interconnect institute by substrates identical shaped but different sizes and consist of, can also one-body molded mode (such as but not limited to ejection formation, compressing etc.) made.Perhaps, polyhedral substrate also can be made via processing modes such as turning, boring.
The light emitting diode of light-emitting device of the present invention (LED) unit is arranged at the outer surface of polyhedral substrate, and a plurality of light emitting diodes can be arranged at whole outer surfaces.Certainly, for creating unique illumination effect and demand, also only the part surface of selected polyhedral substrate (several times) arranges light emitting diode.For example, one surface, interval arranges at least one group of light emitting diode, or except the horizontal base plate on top, other polyhedral substrates that are positioned at the light-emitting device side all arrange light emitting diode.
Light emitting diode can be crystal grain (die) form that does not encapsulate, or utilization encapsulates rear formed packaging body (package) such as encapsulating materials such as epoxy resin.Certainly, light emitting diode also can add fluorescent powder or other particles that helps light scattering or change optical wavelength in encapsulating material when encapsulation.Be that the art those of ordinary skill is known about method for packing, therefore do not repeat them here.
Every group of light emitting diode can be by comprising the linearly linear mode of type of, two, three, four or more LED crystal particle or LED encapsulation body; or be arranged into mutually that the arrays such as square, triangle, rhombus, cross are arranged or the arrangement modes such as circle, concentric circles, ellipse, but each surface of polyhedral substrate is not limited to arrange the LED crystal particle that contains aligned identical mode or similar number or the light emitting diode of packaging body.
Take polyhedral substrate 10a as example, shown in Fig. 2 A, light-emitting device 1a all arranges one group of light emitting diode 20a in each substrate 11, and each light emitting diode comprises four LED encapsulation bodies 21, and is 2 * 2 array arrangement mode (such as light emitting diode 20a).At another substrate 11 one group of light emitting diode 20b is set equally, but the arrangement mode of type (such as light emitting diode 20b) linearly.Should be noted, though Fig. 2 A shows that end face is provided with light emitting diode 20a, according to actual demand and design, also light emitting diode can be set.
In addition, the arrangement of each surperficial light emitting diode of polyhedral substrate also can be arranged in the light emitting diode on the different surfaces different horizontal planes except unifying to be arranged at same level in the light-emitting device.Shown in Fig. 2 B, though the substrate 11 of polyhedral substrate 10a in adjacent two surfaces all has one group of light emitting diode 20c, two groups of light emitting diode 20c are arranged in respectively different horizontal plane P1 and horizontal plane P2.
LED crystal particle in the light emitting diode also can on average be arranged in substrate 11 dispersedly.Shown in Fig. 2 C, a plurality of LED encapsulation bodies 21 on the polyhedral substrate 10a are array separately and arrange (such as light emitting diode 20d), and a plurality of LED encapsulation bodies 21 on another substrate 11 are linear pattern separately and arrange (such as light emitting diode 20e).
Light emitting diode is except can for LED crystal particle or the packaging body, also being comprised of Organic Light Emitting Diode (organic light emitting diode, OLED) crystal grain or packaging body.
As shown in Figure 3A, light emitting diode 30 can be arranged at lead frame (lead frame) or substrate B (chip on board, COB) on, again lead frame or substrate B are fixed on the substrate 11 of polyhedral substrate, relend and pass hole H by wire W and be electrically connected to the inside of polyhedral substrate.Perhaps, shown in Fig. 3 B, light emitting diode 30 is set directly on the substrate 11 by the made polyhedral substrate of rigid substrates or flexible base plate, relends by conducting wire T and connect conductive hole 12 and be electrically connected to the inside of polyhedral substrate.Wherein, rigid substrates can be circuit board (such as but not limited to printed circuit board (PCB), multilayer circuit board etc.), electrical and thermal conductivity good metal substrate (such as containing the good metal of aluminium, copper or other electrical and thermal conductivity etc.), ceramic substrate or is furnished with substrate of conducting wire etc. at the substrate of non-heat-conductivity conducting material (such as plastic cement, wood etc.).And flexible base plate is such as but not limited to thinner glass substrate, polymeric substrate (such as plastic substrate etc.) or stainless steel substrate etc.
Shown in Fig. 4 A, the polyhedral substrate 40 of light-emitting device 4a passes hole H and extends to the accommodation space S that polyhedral substrate 40 consists of in substrate 11 set light emitting diodes 50 by wire W.The accommodation space S of polyhedral substrate of the present invention can accommodatingly provide the assembly of light emitting diode power supply, such as transformer, power line or battery etc.In addition, accommodation space also can accommodating other assemblies, for example avoid light-emitting device because crossing the temperature-sensitive sticker of cause thermal damage, when light-emitting device is overheated, can transmits sensing signal after the temperature-sensitive sticker perception and can stop power supply and avoid burning to controller.Perhaps, the demand of automatic evaluation ambient light and change light sensing apparatus of delivery etc.
The accommodation space S of light-emitting device 4a has a housing 56 and is installed on polyhedral substrate 40.Housing 56 can extend column 57 again, and column 57 is terminal for the threaded joint 58 of for example tool, communicates with civil power and be convenient to that light-emitting device 4a is fixed on lamp socket in the solid mode of spiral shell.And according to the lamp socket of different types, joint 58 can corresponding be set to the pattern of double plug or three plugs.
Therefore, the polyhedral substrate that light-emitting device of the present invention has interconnects or is folded into polyhedral structure by multi-piece substrate, makes to be arranged on the light that a plurality of light emitting diodes on the different surfaces send and can to contain larger lighting angle.The formed accommodation space of polyhedral light-emitting device central authorities, can be further that power supply module such as power line, transformer etc. and other sensing apparatus are wherein accommodating, just so can effectively utilize the space, even accommodating more other functional assemblies.
In another embodiment of light-emitting device of the present invention, shown in Fig. 4 B, light-emitting device 4b comprises a base plate 59, base plate 59 carrying be positioned at housing 56 ' power supply module, when base plate 59 engages with polyhedral substrate 40, power supply module is placed among the accommodation space S in the lump.And joint 58 is arranged at base plate 59, and is based in base plate 59 with respect to the opposite side of accommodation space S, makes joint 58 protrude from light-emitting device 4b.
Yet base plate 59 also can cooperate the power supply module position of accommodation space S to adjust shape, shown in Fig. 4 C, and base plate 59 ' present the outstanding structure of depression all around of central authorities, and joint 58 is arranged at the projection of base plate 59 central authorities.And the base plate 59 of a light-emitting device 4c of the present invention ' through hole more can be set according to the shape size of joint 58 conveniently is arranged on the joint 58 outstanding base plates 59 of the column 57 on the power supply module ' outer.
Be the used heat that produces in response to a plurality of light emitting diodes or power supply module on the light-emitting device of the present invention, light-emitting device 5 of the present invention more can arrange a radiator, radiator HS can comprise a plurality of radiating fin F and form, and is arranged on the outer surface of part or all of polyhedral substrate.As shown in Figure 5, radiating fin F is arranged on the surface of the substrate 11 of the polyhedral substrate 40 beyond the light emitting diode 50, the used heat that light emitting diode 50 is produced, the substrate 11 by heat-conductivity conducting conducts to radiating fin F, conducts to surrounding environment and dispels the heat.Certainly, radiator HS also can be arranged in the accommodation space S.For example radiating fin F is arranged on towards the inner surface of the polyhedral substrate 40 of accommodation space S, or as base plate 59 among Fig. 4 C ' recess, also radiating fin can be set, make light-emitting device can have multiaspect to the heat radiation approach.
In addition; avoid the infringement such as the accumulation of aqueous vapor or dust or oxidation for protection light emitting diode 50 and promote user's safety; light-emitting device of the present invention can as shown in Figure 6, be set up a lampshade G, and be fixed on the polyhedral substrate 40 outside light emitting diode 50.Lampshade G can make (such as glass, acryl, plastic cement etc.) for all-transparent or translucent light-transmitting materials, make light that light emitting diode 50 sends by lampshade G after light can be more even.For promoting the illumination effect of light-emitting device, lampshade G also can add fluorescent powder, and is photochromic with the bright dipping that changes light; Perhaps, lampshade other particles that can mix are in order to modulation optical characteristics (such as but not limited to scattering state).And the shape of lampshade G can including but not limited to shapes such as semicircle, cube, polyhedral cone bodies, further be controlled the angle of bright dipping.As shown in Figure 7, lampshade G ' end is can protect light emitting diode 50 as principle.
In sum, light-emitting device of the present invention is by the design of polyhedral substrate, makes to be located in the light that a plurality of light emitting diodes of different surfaces send on it and can to contain larger lighting angle.In addition, polyhedral substrate also provides larger accommodation space, power supply and other electrical assemblies can be contained in the accommodation space of polyhedral substrate formation, light emitting diode can directly can be directly connected to power supply module via the set hole of polyhedral substrate.
The above only is illustrative, but not is restricted.Anyly do not break away from spirit of the present invention and category, and to its equivalent modifications of carrying out or change, all should be contained in the appended claim scope.
Claims (14)
1. a light-emitting device is characterized in that, comprising:
One polyhedral substrate has a plurality of outer surfaces, and the central authorities of this polyhedral substrate form an accommodation space;
A plurality of light emitting diodes are arranged at respectively described a plurality of outer surface;
One power supply module is arranged at this accommodation space, and this power supply module and described a plurality of light emitting diode are electrically connected; And
One joint, this accommodation space stretches out certainly, and this joint and this power supply module are electrically connected.
2. light-emitting device as claimed in claim 1, wherein this polyhedral substrate is formed by connecting by a plurality of planar substrates.
3. light-emitting device as claimed in claim 1, wherein this polyhedral substrate is formed in one and makes.
4. light-emitting device as claimed in claim 1, wherein this polyhedral substrate is rigid substrates or flexible base plate.
5. light-emitting device as claimed in claim 4, wherein rigid substrates is circuit board, ceramic substrate or metal substrate.
6. light-emitting device as claimed in claim 1, wherein this polyhedral substrate is pointed cone shape or blunt nosed cone shape.
7. light-emitting device as claimed in claim 1, wherein this polyhedral substrate has a base plate, and this joint is arranged at this base plate.
8. light-emitting device as claimed in claim 1 also comprises:
One radiator is arranged at this polyhedral substrate.
9. light-emitting device as claimed in claim 8, wherein this radiator is arranged at described a plurality of outer surface.
10. light-emitting device as claimed in claim 8, wherein this radiator is arranged at this accommodation space.
11. light-emitting device as claimed in claim 1, wherein this light emitting diode has at least one LED crystal particle or LED encapsulation body.
12. light-emitting device as claimed in claim 1 also comprises:
One lampshade is connected in this polyhedral substrate.
13. light-emitting device as claimed in claim 12, wherein this lampshade is doped with fluorescent powder.
14. light-emitting device as claimed in claim 1 also comprises:
One temperature-sensitive sticker is arranged at this accommodation space, and is electrically connected with this power supply module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100730931A CN103322430A (en) | 2012-03-19 | 2012-03-19 | Light-emitting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100730931A CN103322430A (en) | 2012-03-19 | 2012-03-19 | Light-emitting device |
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| Publication Number | Publication Date |
|---|---|
| CN103322430A true CN103322430A (en) | 2013-09-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100730931A Pending CN103322430A (en) | 2012-03-19 | 2012-03-19 | Light-emitting device |
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| Country | Link |
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| CN (1) | CN103322430A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103912852A (en) * | 2014-04-03 | 2014-07-09 | 生迪光电科技股份有限公司 | LED (light emitting diode) light source module and large-angle LED lamp |
| CN104676362A (en) * | 2013-11-29 | 2015-06-03 | 深圳市海洋王照明工程有限公司 | Lamp |
| CN105822973A (en) * | 2015-01-26 | 2016-08-03 | 株式会社小糸制作所 | Light source unit |
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| CN1277665A (en) * | 1998-09-17 | 2000-12-20 | 皇家菲利浦电子有限公司 | LED Lamp |
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| CN101603661A (en) * | 2009-06-29 | 2009-12-16 | 东莞钜鼎照明有限公司 | Switchable flame lamp |
| CN202091833U (en) * | 2011-05-05 | 2011-12-28 | 鹤山市银雨照明有限公司 | LED (Light-Emitting Diode) lamp bulb with fan |
| CN102338288A (en) * | 2010-07-16 | 2012-02-01 | 富士迈半导体精密工业（上海）有限公司 | LED (Light-emitting Diode) lamp |
| US20120043885A1 (en) * | 2010-08-19 | 2012-02-23 | Foxsemicon Integrated Technology, Inc. | Led lamp with circling led modules and encapsulation |
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|---|---|---|---|---|
| CN1277665A (en) * | 1998-09-17 | 2000-12-20 | 皇家菲利浦电子有限公司 | LED Lamp |
| CN2743674Y (en) * | 2004-10-19 | 2005-11-30 | 永胜（东莞）电子有限公司 | Polyhedral luminous diode lighting lamp |
| CN201269502Y (en) * | 2008-08-04 | 2009-07-08 | 陈伟杰 | LED lighting device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104676362A (en) * | 2013-11-29 | 2015-06-03 | 深圳市海洋王照明工程有限公司 | Lamp |
| CN103912852A (en) * | 2014-04-03 | 2014-07-09 | 生迪光电科技股份有限公司 | LED (light emitting diode) light source module and large-angle LED lamp |
| CN103912852B (en) * | 2014-04-03 | 2016-02-24 | 生迪光电科技股份有限公司 | LED light source module and big-angle LED lamp |
| CN105822973A (en) * | 2015-01-26 | 2016-08-03 | 株式会社小糸制作所 | Light source unit |
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Application publication date: 20130925 |