CN101029723A - LED lighting device - Google Patents

LED lighting device Download PDF

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Publication number
CN101029723A
CN101029723A CNA2006101704708A CN200610170470A CN101029723A CN 101029723 A CN101029723 A CN 101029723A CN A2006101704708 A CNA2006101704708 A CN A2006101704708A CN 200610170470 A CN200610170470 A CN 200610170470A CN 101029723 A CN101029723 A CN 101029723A
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CN
China
Prior art keywords
lens
element
led lighting
lighting device
heat
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CNA2006101704708A
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Chinese (zh)
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CN100523601C (en
Inventor
陈振贤
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新灯源科技有限公司
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Priority to CNB2006101704708A priority Critical patent/CN100523601C/en
Publication of CN101029723A publication Critical patent/CN101029723A/en
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Publication of CN100523601C publication Critical patent/CN100523601C/en

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Abstract

This invention provides lighting paraphernalia of the led including N led lighting devices and N optical element, N is natural number. Each optical element includes a lens and corresponds to a led adjusting the lighting shape of the led. Each lens of the optical element is a cat-eye lens which has a surface and forms a socket along the ellipse minor axis so as to make the light from the lens form a lighting-area shape that suits the specific need.

Description

LED lighting device

Technical field

The present invention is about a kind of LED lighting device (Light-emitting diode illuminatingequipment), and especially, the present invention has secondary optics (Secondary optics) device to produce the LED lighting device of a specific light field shape (Light pattern) about a kind of.

Background technology

Because light-emittingdiode (Light emitting diode, LED) have as power saving, shatter-proof, reaction is fast and many advantages such as suitable volume production.Therefore, at present be that the lighting apparatus of light source continues to be studied, to develop with the light-emittingdiode.See also Figure 1A and illustrate the front view that a use array way is arranged the lighting apparatus of several light-emittingdiodes, Figure 1B is the profile along the X-X line among Figure 1A.Shown in Figure 1A, B, this lighting apparatus is arranged a plurality of light-emittingdiodes to acquire high brightness with array way, and the corresponding light cup of each light-emittingdiode, this light cup is in order to the light of reflection by this light-emittingdiode emission, so that this light can comparatively be concentrated to obtain higher brightness.Yet, how to concentrate light in this way with only waiting the tropism, and can't produce specific light field shape to satisfy special-purpose, make that its illumination functions is limited to.

Therefore, having to provide a kind of new LED lighting device, can provide specific light field shape to address the above problem.

Summary of the invention

A category of the present invention is to provide a kind of LED lighting device.

Another category of the present invention is to provide a kind of and has the secondary optics device to produce the LED lighting device of a specific light field shape.

According to a preferred embodiment, LED lighting device of the present invention comprises a heat sink element (Heat-dissipating plate device), a N heat conducting element (Heat-conducting device), a N diode light-emitting device (Diode light-emitting apparatus), a N optical element (Opticaldevice), a hollow staving (Hollow barrel) and a translucent cover (Transparent shield), and wherein N is a natural number.It is the second surface of the reverse side of this first surface that this heat sink element has a first surface and, and this second surface place is extended with a plurality of radiating fins (Heat-dissipating fin).Each heat conducting element comprises one first one and one and locates to extend and have second one of a smooth end from this first one.Each diode light-emitting device system to should N a heat conducting element in the heat conducting element.Each diode light-emitting device is arranged on the smooth end of first heat conducting element of this correspondence, and in order to convert an electric energy to a light.A diode light-emitting device in corresponding these diode light-emitting devices of each optical element is in order to adjust the light field shape of this correspondence diode light-emitting device.Around this hollow staving comprises one first and around one second, this hollow staving is connected with this heat sink element around first with this, to expose these radiating fins in air and form a space to hold these heat conducting elements and these diode light-emitting devices.This translucent cover is connected on every side with second of this hollow staving.

According to this preferred embodiment, this LED lighting device further comprises a demarcation strip element (Partition plate device), this demarcation strip component positioning is in this hollow staving, and then this space is divided into one first Room and one second Room, this demarcation strip element has N through hole on it, and each diode light-emitting device is corresponding to a through hole in these through holes.

Wherein, each optical element comprises a supporter and lens.This supporter removably is attached to this demarcation strip element.This supporter comprises one first openend and one second openend, and this first openend comprises a plurality of trips in order to this supporter being attached to this demarcation strip element, and ccontaining these lens of this second openend.Wherein, these lens can be oval lens, a round lens, opal shape lens, irregular shape lens, polygon lens or other forms of lens (or set of lenses).According to this preferred embodiment, these lens are opal shape lens.These lens comprise a surface, and form a groove at the ellipse short shaft (Ellipse minoraxis) of these these lens of upper edge, surface, cause by the light of launching via these lens and can form a light field shape that meets particular demands.

Therefore, the light that is emitted by each diode light-emitting device via the lens adjustment of correspondence, can produce an anisotropic and meet the light field shape of a particular demands, for example road lighting.In practical application, cooperate different purposes demands, LED lighting device of the present invention can be by adjusting, design these lens to produce a light field shape that meets this purposes demand.

Can be about the advantages and spirit of the present invention by following detailed Description Of The Invention and appended graphic being further understood.

Description of drawings

Figure 1A illustrates one to use array way to arrange the front view of the lighting apparatus of several light-emittingdiodes.

Figure 1B is the profile along the X-X line among Figure 1A.

Fig. 2 is the external view according to the LED lighting device of a preferred embodiment of the present invention.

Fig. 3 A is the profile along the Y-Y line among Fig. 2.

Fig. 3 B is the part sectioned view along the Z-Z line among Fig. 2.

Fig. 4 A is the front view that illustrates according to this optical element of this preferred embodiment.

Fig. 4 B is the profile along the W-W line among Fig. 4 A.

Fig. 5 is the schematic diagram that illustrates according to the light field shape of the formation of this preferred embodiment.

Fig. 6 is the profile that illustrates according to the LED lighting device of a specific embodiment.

Fig. 7 is the profile that illustrates according to the LED lighting device of another specific embodiment.

The specific embodiment

See also Fig. 2 and Fig. 3 A and B, Fig. 2 is according to the external view of the LED lighting device 1 of a preferred embodiment of the present invention.Fig. 3 A is the profile along the Y-Y line among Fig. 2.Fig. 3 B is the part sectioned view along the Z-Z line among Fig. 2.

According to preferred embodiment of the present invention, this LED lighting device 1 comprises a heat sink element 11, six first heat conducting elements 12, six diode light-emitting devices 13, six optical elements 14, a hollow staving 15 and translucent covers 16.It is the second surface 114 of the reverse side of this first surface that this heat sink element 11 has a first surface 112 and, and these second surface 114 places are extended with a plurality of radiating fins 17.Each first heat conducting element 12 comprises one first one 122 and 1 second one 124 of extending and having a smooth end 126 from this first one 122 place.

What need emphasize is, one first heat conducting element 12 in each diode light-emitting device 13 corresponding these first heat conducting element 12, each diode light-emitting device 13 entirely is engaged on the smooth end 126 of first heat conducting element 12 of this correspondence, and in order to convert an electric energy to a light.By this, the heat that is produced in each diode light-emitting device 13 operation is directed to this heat sink element 11 and this a plurality of radiating fins 17 from the smooth end 126 of itself via this second one 124 and this first one 122 by first heat conducting element 12 of this correspondence, and then by this heat sink element 11 and this a plurality of radiating fin 17 heat radiations.

This heat sink element 11 of this LED lighting device 1 comprises six first grooves (not being shown among the figure), is formed on the first surface 112 of this heat sink element 11.One first heat conducting element 12 in corresponding these first heat conducting elements 12 of each groove, and first one 122 appearance of the form fit of itself first heat conducting element 12 pairing with it, closely contact is to strengthen radiating efficiency.And, fill a Heat Conduction Material between first one 122 corresponding first groove of each first heat conducting element 12, further to strengthen radiating efficiency with this.

In addition, this LED lighting device 1 comprises two second heat conducting elements 18, fits on the first surface 112 of this heat sink element 11, to strengthen the radiating effect of this heat sink element 11 and these a plurality of radiating fins 17.Shown in this preferred embodiment, these second heat conducting elements 18 are crisscross arranged with these first heat conducting elements 12, can obtain preferable radiating effect.And this heat sink element 11 comprises two second grooves (not being shown among the figure), is formed on the first surface of this heat sink element 11 112.One second heat conducting element 18 in corresponding these second heat conducting elements 18 of each second groove, and the appearance of the form fit of itself second heat conducting element 18 pairing with it, closely contact is to strengthen radiating efficiency.Also fill a Heat Conduction Material between corresponding second groove of each second heat conducting element 18, further to strengthen radiating efficiency with this.In addition, the quantity of these second heat conducting elements 18, configuration can be different from aforementioned, and should decide on product overall structure, environment for use.In principle, aforesaid being crisscross arranged still can make this heat sink element 11 obtain good radiating effect.

According to preferred embodiment of the present invention, a diode light-emitting device 13 in each optical element 14 corresponding these diode light-emitting device 13 is in order to adjust the light field shape of this correspondence diode light-emitting device 13.This hollow staving 15 to be to be connected with this heat sink element 11 around the one, in air, and forms a space S with ccontaining these first heat conducting elements 12 and these diode light-emitting devices 13 with these a plurality of radiating fins 17 of exposure.Be connected around another of this translucent cover 16 and this hollow staving 15, sealing this space S, but not to be sealed into necessity.Wherein, this hollow staving 15 further is connected 11 with adiabatic ring (a Heat-insulating ring) 19 with this heat sink element, to reduce or isolated heat of coming by these heat sink element 11 conduction, and form the situation of this LED lighting device 1 upper heat and lower cold, more help radiating efficiency.

According to this preferred embodiment, this LED lighting device 1 further comprises a demarcation strip element (Partition plate device) 20, this demarcation strip element 20 is placed in this hollow staving 15, and then this space S is divided into one first Room S1 and one second Room S2.This demarcation strip element 20 has six first through holes 202, each diode light-emitting device 13 corresponding one first through hole 202 on it.According to this preferred embodiment, each diode light-emitting device 13 passes first through hole 202 of this correspondence and places (or placing in first through hole 202 of this correspondence) in the S2 of this second Room.This demarcation strip 20 can be assisted and be fixed these diode light-emitting devices 13 or these first heat conducting elements 12.But in practical application, do not exceed with above-mentioned in the position of these diode light-emitting device 13 relative these demarcation strip elements 20.

Please and consult Fig. 4 A and B, Fig. 4 A illustrates the front view according to this optical element 14 of this preferred embodiment.Fig. 4 B is the profile along the W-W line among Fig. 4 A.According to this preferred embodiment, each optical element 14 comprises a supporter 142 and lens 144.This supporter 142 removably is attached to this corresponding diode light-emitting device 13.This supporter 142 comprises one first openend 1422 and one second openend 1424, and this first openend 1422 is connected this correspondence diode light-emitting device 13, and these second openend, 1424 ccontaining these lens 144.Wherein, these lens 144 can be oval lens, a round lens, opal shape lens, irregular shape lens, polygon lens or other forms of lens (or set of lenses).According to this preferred embodiment, these lens 144 are opal shape lens.These lens 144 comprise a surface 1442, and at this surface 1442 upper edges, one definition one direction D.These lens 144 on this surface 1442 in the direction D form a groove 1444, cause by the light of launching via these lens and can form a light field shape that meets particular demands.According to this preferred embodiment, this direction is an ellipse short shaft of these lens 144.

Incidentally, see also Fig. 5, Fig. 5 illustrates the schematic diagram according to the light field shape of the formation of this preferred embodiment.The light field shape left-right symmetry of this formation, and demonstrate the shape of elongating about this LED lighting device 1 can become the circular light field shape adjustments of tradition, quite help the application of street lighting.In practical application, cooperate different purposes demands, LED lighting device of the present invention can form the light field shape of different demands by the different lens of configuration.In addition, aforesaid lens also do not exceed with single material, and the combined type lens also can be used among the present invention.For example, the peripheral refractive index of the refractive index of the centre of these lens is come lowly or the refractive index system of these lens changes continuously, so that brightness is average in the light field shape.In addition, at present the encapsulation procedure of general light-emittingdiode also has encapsulating material is packaged into a protrusion, to form a simple and easy positive lens; Also have after encapsulation, directly cover a positive lens thereon, to reach the effect of optically focused.Yet all can't form required light field shape.Otherwise LED lighting device of the present invention can use the light-emittingdiode of aforementioned two kinds of packing forms and still can form required light field shape effectively.

See also Fig. 6, Fig. 6 illustrates the profile according to the LED lighting device 1 ' of a specific embodiment.Compare with this preferred embodiment, the demarcation strip 20 ' of this LED lighting device 1 ' forms a plurality of holes 204 near each first through hole 202, and first openend of the supporter 142 ' of each optical element 14 ' comprises a plurality of trips 1426.These trips 1426 insert in these holes 204, so that this supporter 142 ' is attached to this demarcation strip element 20.

Other sees also Fig. 7, and Fig. 7 illustrates the LED lighting device 1 according to another specific embodiment " profile.With this preferred embodiment relatively, the supporter 142 of this LED lighting device 1 " each optical element 14 " " first openend comprise a plurality of trips 1426 '.These trips 1426 ' insert the first corresponding through hole 202 ', so that this supporter 142 " is attached to this demarcation strip element 20 ".What deserves to be mentioned is that this supporter of LED lighting device of the present invention can also be with aforementioned trip design on this demarcation strip with being connected of this demarcation strip, this hole design removably is connected purpose and still reach on this supporter.Be connected in the mode of screw locking in addition and also can.

According to this preferred embodiment, this LED lighting device 1 further comprises a thermal insulation board element (Heat-isolating plate device) 21, this thermal insulation board element 21 is placed in this first indoor S1, and then this first Room S1 is divided into one the 3rd a Room S12 and a fourth ventricle S14.This thermal insulation board element 21 has six second through holes 212 on it, one second through hole 212 in second one 124 corresponding these second through holes 212 of each first heat conducting element 12, and pass this corresponding second through hole 212.Therefore, the heat that conducts to this heat sink element 11 is because this thermal insulation board element 21 isolated, and unlikely radiation or conduct to this fourth ventricle S14 avoids this heat that these diode light-emitting devices 13 are produced the heat invasion and attack.And the gap that these first heat conducting elements 12 and these second through holes are 212 is able to a heat-insulating material and fills, to strengthen effect of heat insulation.In addition, this LED lighting device 1 further comprises a collet (Heat-insulating sleeve) 22, this collet 22 is enclosed within second one last 124 of one first heat conducting element 12 in these first heat conducting elements 12, especially be enclosed within on second one 124 that is positioned at this fourth ventricle S14, so that this fourth ventricle S14 is gone in the hot unlikely dissipation that diode light-emitting device 13 that should first heat conducting element 12 is produced, strengthen the radiating efficiency of this heat sink element 11 further in operation.What deserves to be mentioned is that if this demarcation strip element 20 itself has heat insulating function, then this thermal insulation board element 21 can omit, and designs with simplified structure.It is also applicable that aforementioned structure is illustrated in aforementioned specific embodiment, as Fig. 6, shown in Figure 7.

What deserves to be mentioned is that above stated specification is all using same kind of lens to be example, yet in practical application, each diode light-emitting device can corresponding separately different lens, to obtain the light field shape of more diversification.In addition, in aforementioned these specific embodiments, these first heat conducting elements 12 and these second heat conducting elements 18 can be respectively a heat pipe (Heat pipe), a thermal conductance post (Heat column), an evaporation cavity heat radiator (Vaporchamber), or other heat conducting elements.These first heat conducting elements 12 and these second heat conducting elements 18 can be made by the material of copper, aluminium or other tool high thermal conductivity coefficients respectively.A diode light-emitting device 13 in these diode light-emitting devices 13 comprises at least one light-emittingdiode (Light-emitting diode) or at least one Laser Diodes (Laser diode), and can use the light-emittingdiode of different colours.

In sum, LED lighting device of the present invention has secondary optics design, utilizes optical element to adjust light field shape that the diode light-emitting device produced to satisfy different purposes demands.And this LED lighting device can be by adjustment, design optical element to produce the light field shape of more diversification, to satisfy the more purposes demand of diversification.What deserves to be mentioned is that aforementioned specific embodiment system is an example with the street lamp, but not as limit.Any person that has the lighting demand, of the present invention being suitable for all arranged, especially under the situation of the demand that specific light field shape is arranged.

By the above detailed description of preferred embodiments, be that hope can be known description feature of the present invention and spirit more, and be not to come category of the present invention is limited with above-mentioned disclosed preferred embodiment.On the contrary, its objective is that hope can contain in the category of claim of being arranged in of various changes and tool equality institute of the present invention desire application.

Claims (21)

1. a LED lighting device (Light-emitting diode illuminatingequipment) comprises:
It is the second surface of the reverse side of this first surface that one heat sink element (Heat-dissipating plate device), this heat sink element have a first surface and;
A plurality of radiating fins (Heat-dissipating fin), these radiating fins extend from the second surface place of this heat sink element;
N first heat conducting element (Heat-conducting device), each first heat conducting element comprises one first one and one and locates to extend and have second one of a smooth end from this first one, on the first surface that this first one fits in this heat sink element, N is a natural number;
N diode light-emitting device (Diode light-emitting apparatus), each diode light-emitting device is arranged on the smooth end of one first heat conducting element in these first heat conducting elements, and in order to convert an electric energy to a light;
N optical element (Optical device), a diode light-emitting device in corresponding these diode light-emitting devices of each optical element is in order to adjust the light field shape of this correspondence diode light-emitting device;
One hollow staving (Hollow barrel), around this hollow staving comprises one first and around one second, this hollow staving is connected with this heat sink element around first with this, to expose these radiating fins in air and form a space with ccontaining these first heat conducting elements and these diode light-emitting devices; And
One translucent cover (Transparent shield), this translucent cover is connected on every side with second of this hollow staving.
2. LED lighting device as claimed in claim 1, wherein each optical element comprises a supporter and lens, and this supporter removably is attached to this corresponding diode light-emitting device.
3. LED lighting device as claimed in claim 2, wherein this supporter comprises one first openend and one second openend, and this first openend is connected this correspondence diode light-emitting device, and ccontaining these lens of this second openend.
4. LED lighting device as claimed in claim 3 is wherein selected in the group that these lens are made up of oval lens, round lens, opal shape lens, irregular shape lens and polygon lens.
5. LED lighting device as claimed in claim 4, wherein N optical element comprises one first optical element and one second optical element, and these lens of this first optical element are identical with these lens of this second optical element.
6. LED lighting device as claimed in claim 4, wherein N optical element comprises one first optical element and one second optical element, and these lens of this first optical element and these lens of this second optical element are inequality.
7. LED lighting device as claimed in claim 1, further comprise a demarcation strip element (Partition plate device), this demarcation strip component positioning is in this hollow staving, and then this space is divided into one first Room and one second Room, this demarcation strip element has N first through hole on it, corresponding one first through hole of each diode light-emitting device.
8. LED lighting device as claimed in claim 7, wherein each optical element comprises a supporter and lens, and this supporter removably is attached to this demarcation strip element.
9. LED lighting device as claimed in claim 8, wherein this supporter comprises one first openend and one second openend, this first openend comprises a plurality of trips in order to this supporter being attached to this demarcation strip element, and ccontaining these lens of this second openend.
10. LED lighting device as claimed in claim 8 is wherein selected in the group that these lens are made up of oval lens, round lens, opal shape lens, irregular shape lens and polygon lens.
11. LED lighting device as claimed in claim 9, wherein these opal shape lens comprise a surface, definition one direction on this surface, and these lens form a groove in the direction on this surface.
12. LED lighting device as claimed in claim 11, wherein this direction is an ellipse short shaft of these lens.
13. LED lighting device as claimed in claim 7, wherein this demarcation strip element can be heat insulation
14. LED lighting device as claimed in claim 7, further comprise a thermal insulation board element (Heat-isolating plate device), this thermal insulation board component positioning is first indoor in this, this thermal insulation board element has N second through hole on it, one second through hole in these second through holes of second correspondence of each first heat conducting element, and pass this corresponding second through hole.
15. LED lighting device as claimed in claim 14 further comprises a collet (Heat-insulating sleeve), this collet system is enclosed within on second one of one first heat conducting element in these first heat conducting elements.
16. LED lighting device as claimed in claim 1, wherein this heat sink element comprises N first groove, is formed on the first surface of this heat sink element, and first one of each first heat conducting element fits in corresponding first groove.
17. LED lighting device as claimed in claim 16 is wherein filled a Heat Conduction Material between first of each first heat conducting element corresponding first groove with this.
18 LED lighting devices as claimed in claim 1 further comprise a plurality of second heat conducting elements, and these second heat conducting elements fit on the first surface of this heat sink element.
19. LED lighting device as claimed in claim 18, wherein this heat sink element comprises a plurality of second grooves, is formed on the first surface of this heat sink element, and each second heat conducting element fits in corresponding second groove.
20 LED lighting devices as claimed in claim 19 are wherein filled with a Heat Conduction Material between corresponding second groove with this of each second heat conducting element.
21. LED lighting device as claimed in claim 1 further comprises an adiabatic ring (Heat-insulating ring), wherein this hollow staving is connected with this heat sink element with this thermal insulation ring.
CNB2006101704708A 2006-12-30 2006-12-30 LED lighting device CN100523601C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2006101704708A CN100523601C (en) 2006-12-30 2006-12-30 LED lighting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2006101704708A CN100523601C (en) 2006-12-30 2006-12-30 LED lighting device

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CN101029723A true CN101029723A (en) 2007-09-05
CN100523601C CN100523601C (en) 2009-08-05

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008104104A1 (en) * 2007-03-01 2008-09-04 Jen-Shyan Chen Light-emitting diode illuminating equipment
US7726851B2 (en) 2007-11-16 2010-06-01 Fu Zhun Precision Industry (Shen Zhen) Co., Ltd. LED lamp with a heat dissipation device
WO2012006834A1 (en) * 2010-07-14 2012-01-19 深圳市华星光电技术有限公司 Backlight module and luminous source encapsulation structure
US8288782B2 (en) 2010-07-14 2012-10-16 Shenzhen China Star Optoelectronics Technology Co., Ltd. Backlight module and light-emitting source package structure thereof
CN103511857A (en) * 2012-06-15 2014-01-15 欧司朗股份有限公司 Lighting device and manufacturing method of lighting device
CN106287245A (en) * 2016-08-16 2017-01-04 江苏绿扬光伏科技有限公司 There is the illuminator of thermal diffusivity

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008104104A1 (en) * 2007-03-01 2008-09-04 Jen-Shyan Chen Light-emitting diode illuminating equipment
US7726851B2 (en) 2007-11-16 2010-06-01 Fu Zhun Precision Industry (Shen Zhen) Co., Ltd. LED lamp with a heat dissipation device
CN101435567B (en) * 2007-11-16 2010-11-10 富准精密工业(深圳)有限公司 LED light fitting
WO2012006834A1 (en) * 2010-07-14 2012-01-19 深圳市华星光电技术有限公司 Backlight module and luminous source encapsulation structure
US8288782B2 (en) 2010-07-14 2012-10-16 Shenzhen China Star Optoelectronics Technology Co., Ltd. Backlight module and light-emitting source package structure thereof
CN103511857A (en) * 2012-06-15 2014-01-15 欧司朗股份有限公司 Lighting device and manufacturing method of lighting device
CN103511857B (en) * 2012-06-15 2018-02-09 欧司朗股份有限公司 Lighting device and its manufacture method
CN106287245A (en) * 2016-08-16 2017-01-04 江苏绿扬光伏科技有限公司 There is the illuminator of thermal diffusivity

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