CN102937243A - Lighting device - Google Patents
Lighting device Download PDFInfo
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- CN102937243A CN102937243A CN2011102326473A CN201110232647A CN102937243A CN 102937243 A CN102937243 A CN 102937243A CN 2011102326473 A CN2011102326473 A CN 2011102326473A CN 201110232647 A CN201110232647 A CN 201110232647A CN 102937243 A CN102937243 A CN 102937243A
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- lighting device
- light
- emitting diode
- radiating subassembly
- diode component
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Abstract
A lighting device comprises a light emitting diode (LED) assembly and a cooling assembly, wherein the LED assembly is provided with a light-out angle, the cooling assembly is provided with a plurality of protruding portions, each protruding portion is provided with a top surface, the LED assembly is arranged on the top surfaces, an inclined angle is formed between each top surface and the horizontal plane, and the sum of the light-out angle of the LED assembly and the inclined angle is between 90 degrees and 180 degrees. The light-out angle of the lighting device can reach wide-angle light distribution application.
Description
Technical field
The present invention is about a kind of lighting device, especially in regard to a kind of lighting device with light emitting diode.
Background technology
In recent years, because the continuous improvement of light emitting diode (Light Emitting Diode, LED) aspect processing procedure and material, so that the luminous efficiency of light emitting diode significantly promotes.Be different from general fluorescent lamp or Electricity-saving lamp bulb, light emitting diode has low power consumption, long service life, safe, the characteristic such as emission response time is short and volume is little, therefore also little by little being applied to lighting apparatus, for example is on the head lamp and other lighting device of indoor lamp, flashlight, locomotive.
Please refer to shown in Figure 1A, it is the schematic diagram of known a kind of lighting device 1.Lighting device 1 has a plurality of light emitting diodes 11, a radiating subassembly 12 and a lamp holder 13.Wherein, light emitting diode 11 is arranged on the radiating subassembly 12, and lamp holder 13 links with radiating subassembly 12, and is electrically connected with a plurality of light emitting diodes 11.In addition, the heat that produces of light emitting diode 11 can distribute by radiating subassembly 12.When lighting device 1 is installed on a lamp socket when (figure does not show), can electric power be sent to light emitting diode 11 by lamp holder 13, make light emitting diode 11 driven lighting.
Please refer to shown in Figure 1B, it is the schematic diagram of the rising angle of single light emitting diode 11.Wherein, the longitudinal axis is the luminous intensity I of lighting device 1, and transverse axis is angle.In Figure 1B, the rising angle of lighting device 1 is defined as: the peaked 1/e of the Energy distribution that light emitting diode 11 sends
2The transverse axis that (peaked approximately 13.5%) is located width (being angle) apart.
Yet, can be found by Figure 1B, the peaked 1/e2 of the Energy distribution place that known light emitting diode 11 sends, its rising angle only has 120 degree, therefore, is mounted with the lighting device 1 of light emitting diode 11, also is to have identical rising angle.If when reaching the application of larger rising angle, lighting device 1 can't be reached at all.
Therefore, how to provide a kind of lighting device, its rising angle can reach the more application of wide-angle, has become one of important topic.
Summary of the invention
Purpose of the present invention is for providing a kind of rising angle can reach the lighting device that wide-angle is used.
The present invention can realize by the following technical solutions.
A kind of lighting device of the present invention comprises a light-emitting diode component and a radiating subassembly.Light-emitting diode component has a rising angle.Radiating subassembly has a plurality of protuberances, and each protuberance has an end face, and light-emitting diode component is arranged at end face, forms an inclination angle between end face and the horizontal plane, the rising angle of light-emitting diode component and inclination angle and between 90 degree and 180 are spent.
In one embodiment, light-emitting diode component comprises a light-emitting diode chip for backlight unit or a LED encapsulation body.
In one embodiment, light-emitting diode component comprises lens, and rising angle is the rising angle that light penetrates lens.
In one embodiment, the juncture of light-emitting diode component and end face comprises welding or binds.
In one embodiment, radiating subassembly is a heat pipe or a heat pipe.
In one embodiment, the material of radiating subassembly comprises metal, alloy or graphite.
In one embodiment, radiating subassembly is solid or hollow.
In one embodiment, the inclination angle is between 0 degree is spent to 180.
In one embodiment, at least one protuberance be upright or at least one protuberance for tilting.
In one embodiment, radiating subassembly also has a support sector, and described protuberance is connected with support sector respectively.
In one embodiment, lighting device also comprises a base, and radiating subassembly is arranged at base.
In one embodiment, lighting device also comprises a lamp holder, and itself and light-emitting diode component are electrically connected, and base is arranged at lamp holder.
In one embodiment, lighting device also comprises lampshade, and it is arranged at base, and light-emitting diode component and radiating subassembly are arranged in the lampshade.
From the above, because the radiating subassembly according to lighting device of the present invention has a plurality of protuberances, each protuberance has an end face.In addition, light-emitting diode component is arranged at end face, and forms an inclination angle between end face and the horizontal plane, and the rising angle of light-emitting diode component and inclination angle and between 90 degree and 180 are spent.Whereby, compare with known technology, when the rising angle of lighting device became large, the protuberance of a plurality of inclinations can not stop the high angle scattered light that lighting device sends.In addition, the inclination angle that forms between the end face of protuberance that can be by radiating subassembly and the horizontal plane changes the rising angle of lighting device, makes the rising angle of lighting device can reach the application of wide-angle.In one embodiment of this invention, protuberance is for tilting, therefore, also can strengthen and horizontal plane between formed inclination angle, make the rising angle of lighting device can reach the more application of wide-angle.
Description of drawings
Figure 1A is the schematic diagram of known a kind of lighting device;
Figure 1B is the schematic diagram of the rising angle of known lighting device 1;
Fig. 2 A and Fig. 2 B are respectively schematic side view and the schematic perspective view of a kind of lighting device of the preferred embodiment of the present invention;
Fig. 2 C is the schematic diagram of the lighting device of another enforcement aspect of the present invention;
Fig. 3 A and Fig. 3 B are respectively schematic side view and the schematic perspective view of the lighting device of another aspect of the present invention; And
Fig. 4 and Fig. 5 are respectively the schematic perspective view of the lighting device of another preferred embodiment of the present invention.
The main element symbol description:
1,2,2a, 3,4: lighting device
11: light emitting diode
12,21,31,41: light-emitting diode component
22,22a, 32,42: radiating subassembly
221,221a, 321,421: protuberance
23,33,43: base
13,24,34,44: lamp holder
25,35,45: lampshade
322,422: support sector
H: horizontal plane
I: luminous intensity
T: end face
θ: inclination angle
The specific embodiment
Hereinafter with reference to correlative type, a kind of lighting device according to the preferred embodiment of the present invention is described, wherein identical element will be illustrated with identical component symbol.
Please refer to shown in Fig. 2 A and Fig. 2 B, it is respectively schematic side view and the schematic perspective view of a kind of lighting device 2 of the preferred embodiment of the present invention.Lighting device 2 of the present invention comprises a light-emitting diode component 21 and a radiating subassembly 22.
Light-emitting diode component 21 has a rising angle (figure does not show).Wherein, light-emitting diode component 21 can comprise a light-emitting diode chip for backlight unit or a LED encapsulation body.When if light-emitting diode component 21 is a light-emitting diode chip for backlight unit, then its rising angle is the rising angle of chip.In addition, if when light-emitting diode component 21 is a LED encapsulation body, then light-emitting diode component 21 can comprise lens or an encapsulating material, and then its rising angle is the rising angle that light penetrates out lens or encapsulating material.Therefore, when the encapsulation of light-emitting diode component 21 was finished, its rising angle was namely fixing.In this, take light-emitting diode component 21 as a LED encapsulation body, and its rising angle is about 120 degree for example.
In addition, radiating subassembly 22 can be a heat pipe or a heat pipe, and can be solid or hollow form.In this, also do not limited.If radiating subassembly 22 is solid, then a wire (figure does not show) that drives light-emitting diode component 21 can be arranged at the outer surface of radiating subassembly 22.If radiating subassembly 22 is hollow, then the wire (figure does not show) that drives light-emitting diode component 21 can be arranged at the middle vacancy of radiating subassembly 22.
In addition, light-emitting diode component 21 for example can comprise welding with the juncture of end face T, or use thermal grease to reach or adhesive agent (such as UV cured glue or elargol etc.), light-emitting diode component 21 is bonding on end face T (this is surface mount technology (Surface Mount Technology, SMT)).In this, take bonding as example.
Shown in Fig. 2 A, form an inclination angle theta between end face T and the horizontal H, and inclination angle theta can be between 0 degree to (take horizontal H as 0 degree) between 180 degree.In the present embodiment, inclination angle theta is take 30 degree as example.Certainly, the user also can arrange the end face T of differing tilt angles according to its luminous intensity distribution demand, make its from horizontal H between form different inclination angle theta.It should be noted that the angle described in the present invention between 0 degree between 180 degree, be the angle value that comprises two end points.
In the present embodiment, the rising angle of light-emitting diode component 21 is 120 degree, and inclination angle theta is 30 degree, therefore, the rising angle of light-emitting diode component 21 and inclination angle theta and be 150 degree, that is to say that light-emitting diode component 21 can illuminate positive and negative 75 scopes of spending.Therefore, the rising angle of lighting device 2 of the present invention can reach the luminous intensity distribution application of wide-angle.Certainly, the designer also can comply with the different inclination angle theta of its Demand Design so that the rising angle of the light-emitting diode component 21 of lighting device 2 and inclination angle theta and between 90 degree are spent with 180.
In addition, shown in Fig. 2 A and Fig. 2 B, lighting device 2 also can comprise a base 23, and radiating subassembly 22 is arranged at base 23.In addition, can will drive the drive module setting of light-emitting diode component 21 in base 23.
In addition, lighting device 2 also can comprise a lamp holder 24, and lamp holder 24 is electrically connected with light-emitting diode component 21, and base 23 is arranged at lamp holder 24.In the present embodiment, the pattern of lamp holder 24 is take E27 type lamp holder as example.So not as limit.The pattern of lamp holder 24 also can be other pattern, for example is MR type, AR type, PAR type or other.In this, do not limited.
Please refer to shown in Fig. 2 C, it implements the schematic diagram of the lighting device 2 of aspect for another.
In addition, please refer to shown in Fig. 3 A and Fig. 3 B, it is respectively schematic side view and the schematic perspective view of the lighting device 2a of another aspect of the present invention.
Different being that the lighting device 2 of lighting device 2a and Fig. 2 C is main, the radiating subassembly 22a of lighting device 2a has the protuberance 221a of two inclinations, and the protuberance 221a that tilts topples over an angle θ 1 by vertical direction toward horizontal direction.Because protuberance 221a is θ 1 (for example 20 degree) to the horizontal plane angle of inclination, and the original bevel angle of end face T is θ 2 (for example 30 degree), so that the inclination angle theta that forms between end face T and the horizontal H can become is larger, and inclination angle theta=θ 1+ θ 2.So the rising angle of lighting device 2a be 120 the degree add 50 the degree equal 170 the degree.Therefore, lighting device 2a can reach the application of larger rising angle.
In addition, the technical characterictic of other assembly of lighting device 2a can with reference to lighting device 2, repeat no more in this.
Please refer to shown in Figure 4ly, it is the schematic perspective view of the lighting device 3 of another preferred embodiment of the present invention.
Different being that lighting device 3 and the lighting device 2a of Fig. 3 B are main, the radiating subassembly 32 of lighting device 3 also has a support sector 322, and described protuberance 321 is connected with support sector 322 respectively, and support sector 322 is arranged at base 33.Wherein, radiating subassembly 32 equally has the protuberance 321 of two inclinations.In this, the forked branch of the similar tool of the shape of radiating subassembly 32.In addition, support sector 322 can be formed in one with described protuberance 321.But, what remind is again, the quantity of the protuberance 321 of radiating subassembly 32 is not defined as two, and the quantity of support sector 322 is not defined as one yet, in other enforcement aspect, lighting device 3 can have a plurality of support sectors 322, Heterogeneous Permutation each other, and each support sector 322 can have the protuberance 321 that is greater than or less than two.In addition, the quantity of light-emitting diode component 31 also can be a plurality of.
In addition, please refer to shown in Figure 5ly, it is the schematic perspective view of the lighting device 4 of another preferred embodiment of the present invention.
Different being that the lighting device 3 of lighting device 4 and Fig. 4 is main, being shaped as of the radiating subassembly 42 of lighting device 4 is T-shaped, so that the end face T of described protuberance 321 is that the inclination angle theta that forms between an end face and the horizontal plane is 90 degree in this.What remind is again, the quantity of the protuberance 421 of radiating subassembly 42 is not defined as two yet, and the quantity of support sector 422 is not defined as one yet, in other enforcement aspect, lighting device 4 can have a plurality of support sectors 422, and each support sector 422 can have the protuberance 421 that is greater than or less than two.In addition, the quantity of light-emitting diode component 41 also can be a plurality of.
In addition, the technical characterictic of lighting device 3,4 other assemblies can with reference to lighting device 2a, also repeat no more in this.
In sum, because the radiating subassembly according to lighting device of the present invention has a plurality of protuberances, each protuberance has an end face.In addition, light-emitting diode component is arranged at end face, and forms an inclination angle between end face and the horizontal plane, and the rising angle of light-emitting diode component and inclination angle and between 90 degree and 180 are spent.Whereby, compare with known technology, when the rising angle of lighting device became large, the protuberance of a plurality of inclinations can not stop the high angle scattered light that lighting device sends.In addition, the inclination angle that forms between the end face of protuberance that can be by radiating subassembly and the horizontal plane changes the rising angle of lighting device, makes the rising angle of lighting device can reach the application of wide-angle.In one embodiment of this invention, protuberance is for tilting, therefore, also can strengthen and horizontal plane between formed inclination angle, make the rising angle of lighting device can reach the more application of wide-angle.
The above only is illustrative, and non-limiting.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 included in the claim limited range.
Claims (13)
1. a lighting device is characterized in that, comprising:
One light-emitting diode component has a rising angle; And
One radiating subassembly, have a plurality of protuberances, each protuberance has an end face, and described light-emitting diode component is arranged at described end face, form an inclination angle between described end face and the horizontal plane, the described rising angle of described light-emitting diode component and described inclination angle and between 90 degree and 180 are spent.
2. lighting device according to claim 1 is characterized in that, described light-emitting diode component comprises a light-emitting diode chip for backlight unit or a LED encapsulation body.
3. lighting device according to claim 1 is characterized in that, described light-emitting diode component comprises lens, and described rising angle is the rising angle that light penetrates described lens.
4. lighting device according to claim 1 is characterized in that, the juncture of described light-emitting diode component and described end face comprises welding or binds.
5. lighting device according to claim 1 is characterized in that, described radiating subassembly is a heat pipe or a heat pipe.
6. lighting device according to claim 1 is characterized in that, the material of described radiating subassembly comprises metal, alloy or graphite.
7. lighting device according to claim 1 is characterized in that, described radiating subassembly is solid or hollow.
8. lighting device according to claim 1 is characterized in that, described inclination angle is between 0 degree is spent to 180.
9. lighting device according to claim 1 is characterized in that, at least one protuberance is upright or at least one protuberance is inclination.
10. lighting device according to claim 1 is characterized in that, described radiating subassembly also has a support sector, and described protuberance is connected with described support sector respectively.
11. lighting device according to claim 1 is characterized in that, also comprises:
One base, described radiating subassembly is arranged at described base.
12. lighting device according to claim 11 is characterized in that, also comprises:
One lamp holder is electrically connected with described light-emitting diode component, and described base is arranged at described lamp holder.
13. lighting device according to claim 11 is characterized in that, also comprises:
One lampshade is arranged at described base, and described light-emitting diode component and described radiating subassembly are arranged in the described lampshade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102326473A CN102937243A (en) | 2011-08-15 | 2011-08-15 | Lighting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102326473A CN102937243A (en) | 2011-08-15 | 2011-08-15 | Lighting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102937243A true CN102937243A (en) | 2013-02-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102326473A Pending CN102937243A (en) | 2011-08-15 | 2011-08-15 | Lighting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103574495A (en) * | 2013-09-28 | 2014-02-12 | 王洪周 | Novel sound and light controlled lamp |
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| CN201180919Y (en) * | 2007-12-28 | 2009-01-14 | 宁波燎原灯具股份有限公司 | LED module group apparatus used for road lighting lamp |
| CN201277517Y (en) * | 2008-10-27 | 2009-07-22 | 四川新力光源有限公司 | LED light source and lamp |
| CN101608785A (en) * | 2008-06-19 | 2009-12-23 | 松下电器产业株式会社 | LED lamp with combination heat dissipation structure |
| CN101963291A (en) * | 2009-07-21 | 2011-02-02 | 富准精密工业(深圳)有限公司 | Light source module |
| CN201739879U (en) * | 2010-06-07 | 2011-02-09 | 刘集伟 | Filament lamp type LED light source lighting lamp |
| US20110140587A1 (en) * | 2009-12-14 | 2011-06-16 | Han-Ming Lee | Multi-facet light source LED lamp |
-
2011
- 2011-08-15 CN CN2011102326473A patent/CN102937243A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201180919Y (en) * | 2007-12-28 | 2009-01-14 | 宁波燎原灯具股份有限公司 | LED module group apparatus used for road lighting lamp |
| CN101608785A (en) * | 2008-06-19 | 2009-12-23 | 松下电器产业株式会社 | LED lamp with combination heat dissipation structure |
| CN201277517Y (en) * | 2008-10-27 | 2009-07-22 | 四川新力光源有限公司 | LED light source and lamp |
| CN101963291A (en) * | 2009-07-21 | 2011-02-02 | 富准精密工业(深圳)有限公司 | Light source module |
| US20110140587A1 (en) * | 2009-12-14 | 2011-06-16 | Han-Ming Lee | Multi-facet light source LED lamp |
| CN201739879U (en) * | 2010-06-07 | 2011-02-09 | 刘集伟 | Filament lamp type LED light source lighting lamp |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103574495A (en) * | 2013-09-28 | 2014-02-12 | 王洪周 | Novel sound and light controlled lamp |
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Application publication date: 20130220 |