CN104359027A - Light-emitting diode (LED) light source with luminous body arranged at transmission heat conducting base - Google Patents
Light-emitting diode (LED) light source with luminous body arranged at transmission heat conducting base Download PDFInfo
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- CN104359027A CN104359027A CN201410609553.7A CN201410609553A CN104359027A CN 104359027 A CN104359027 A CN 104359027A CN 201410609553 A CN201410609553 A CN 201410609553A CN 104359027 A CN104359027 A CN 104359027A
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- heat conducting
- base material
- led light
- intensity distribution
- conducting base
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/008—Combination of two or more successive refractors along an optical axis
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2101/00—Point-like light sources
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- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention relates to the light-emitting diode (LED) lighting field, and discloses an LED light source with a luminous body arranged at a transmission heat conducting base. The LED light source comprises a first light transmission heat conducting base material, an LED light source, a first light adjusting part and a second light adjusting part, wherein an LED mounting groove is formed in the first light transmission heat conducting base material; the LED light source is fixed in the LED mounting groove; the first light adjusting part is arranged on the first light transmission heat conducting base material and covers the illumination front surface of the LED light source; the second light adjusting part is arranged on the first light transmission heat conducting base material and is located on the illumination back surface of the LED light source. The LED light source is higher in light use ratio and better in heat dissipation effect.
Description
Technical field
The present invention relates to field of LED illumination, particularly relate to a kind of light-emitting unit in the basic LED light source of transmission heat conduction.
Background technology
Existing LED light source chip is arranged on copper, aluminium and other heat conduction metal matrixes more.Though luminescence that can be general and heat radiation, also general luminous intensity distribution can be realized.
The present inventor is carrying out finding in research process of the present invention, and prior art exists following defect:
1, the utilization rate of existing LED light source to light is lower, even the utilization rate of its light of LED light source of entirely lighting also generally can only reach 50%-60% at present.
In recent years along with the development of LED technology, LED due to its luminous efficiency higher (generally reaching more than 160Lm/W), the advantage of environmental protection and energy saving more and enjoy the favor of various countries.But the operating temperature requirements due to LED lower and can not as tengsten lamp withstand high temperatures, therefore LED intense light source apply on be subject to great restriction.
Some large LED science meetings that the present inventor participates in for nearly several years are learned, current LED illumination expert still thinks high to illumination intensity and applies LED in the headlamp for vehicles and ships that volume is limited is the technical barrier that impossible realize.
Summary of the invention
The embodiment of the present invention first object is to provide a kind of light-emitting unit in the basic LED light source of transmission heat conduction, and it is higher to the utilization rate of light, and radiating effect is better.
A kind of light-emitting unit that the embodiment of the present invention provides, in the basic LED light source of transmission heat conduction, comprising:
First printing opacity heat conducting base material, described first printing opacity heat conducting base material is provided with LED and installs groove,
LED light source is fixed on described LED and installs in groove,
First light modulation portion, is arranged in described first printing opacity heat conducting base material, and covers the illumination front of described LED light source;
Second light modulation portion, is arranged in described first printing opacity heat conducting base material, and is positioned at the illumination back side of described LED light source.
Alternatively, described first light modulation portion also covers the illumination side of described LED light source.
Alternatively, described first light modulation portion, the second center, light modulation portion are just right, and the area in described second light modulation portion is greater than the area in described first light modulation portion.
Alternatively, the first luminous intensity distribution portion is also provided with at the side interface place of described first printing opacity heat conducting base material.
Alternatively, above described first printing opacity heat conducting base material, be also provided with the second luminous intensity distribution portion, the end face of described second luminous intensity distribution portion and described first printing opacity heat conducting base material forms obtuse angle or acute angle or acute angle, with described first formation obtuse angle, luminous intensity distribution portion or acute angle or acute angle;
Alternatively, between described first luminous intensity distribution portion and the second luminous intensity distribution portion, the 3rd luminous intensity distribution portion is also provided with.
Alternatively, described 3rd luminous intensity distribution portion is the curved surface of outwardly convex.
Alternatively, also comprise the second printing opacity heat conducting base material, the side of described second printing opacity heat conducting base material is connected in skewed outer boundary face-to-face with one of described first printing opacity heat conducting base material,
The linkage interface that described first printing opacity heat conducting base material is connected with the second printing opacity heat conducting base material is as described first luminous intensity distribution portion;
In described second printing opacity heat conducting base material, be positioned at the top of described first printing opacity heat conducting base material, and form the outer boundary of obtuse angle or acute angle as described second luminous intensity distribution portion with the end face of described first printing opacity heat conducting base material;
In described second printing opacity heat conducting base material, the face, interface be connected between described first luminous intensity distribution portion, the second luminous intensity distribution portion is described 3rd light distribution surface.
Alternatively, described 3rd light distribution surface is made up of the curved surface of at least two outwardly convexs.
Alternatively, also comprise the 4th luminous intensity distribution portion, described 4th luminous intensity distribution portion ringwise curved surface or inclined-plane is arranged on the illumination frontal of described LED light source, and is centered around described LED light source periphery, and with the front plan of described LED light source in obtuse angle or acute angle.
Alternatively, described installation groove is positioned at the middle part of described first printing opacity heat conducting base material, and the inwall interface of described installation recess forms described 4th luminous intensity distribution portion.
Alternatively, also comprise the 5th luminous intensity distribution portion, described 5th luminous intensity distribution portion is bowl-shape in direction, the illumination back side opening along described LED light source, and described LED light source, described first light modulation portion, the second light modulation portion are all positioned at the 4th luminous intensity distribution portion.
Alternatively, described first printing opacity heat conducting base material inside be provided with shape identical with described 5th luminous intensity distribution portion hollow out layer, described in hollow out bed boundary as described 5th luminous intensity distribution portion.
Alternatively, both interface own can be utilized in described first luminous intensity distribution portion, the second luminous intensity distribution portion, the 3rd luminous intensity distribution portion, the 4th luminous intensity distribution portion, the 5th luminous intensity distribution portion.
Alternatively, in described first luminous intensity distribution portion, the second luminous intensity distribution portion, the 3rd luminous intensity distribution portion, the 4th luminous intensity distribution portion, the 5th surface, luminous intensity distribution portion also divide and be provided with silver coating and/or aluminium coated.
Alternatively, described first luminous intensity distribution portion is the outer boundary of described first printing opacity heat conducting base material, and described outer boundary is skewed.
Alternatively, described first light modulation portion, the second dimming portion Wei not fluorescence coatings.
Alternatively, described first printing opacity heat conducting base material is made up of aluminium nitride, oxygen aluminium or Graphene.
Alternatively, one electrode of described first printing opacity heat conducting base material and described LED light source and an Electrode connection of power supply, another electrode of described LED light source with and another Electrode connection of the circuit that insulate mutually of described first printing opacity heat conducting base material and described power supply.
Alternatively, described printing opacity heat carrier is coated with the LED electrical pole be connected with power supply and draws foil line.
11, LED light device according to claim 10, is characterized in that,
Described installation groove is positioned at the middle part of described first printing opacity heat conducting base material, and the inwall interface of described installation recess forms described 4th luminous intensity distribution portion.
12, LED light device according to claim 4, is characterized in that,
Also comprise the 5th luminous intensity distribution portion, described 5th luminous intensity distribution portion is bowl-shape in direction, the illumination back side opening along described LED light source, and described LED light source, described first light modulation portion, the second light modulation portion are all positioned at the 4th luminous intensity distribution portion.
13, LED light device according to claim 12, is characterized in that,
Described first printing opacity heat conducting base material inside be provided with shape identical with described 5th luminous intensity distribution portion hollow out layer, described in hollow out bed boundary as described 5th luminous intensity distribution portion.
14, according to arbitrary described LED light device of claim 5 to 13, it is characterized in that,
In described first luminous intensity distribution portion, the second luminous intensity distribution portion, the 3rd luminous intensity distribution portion, the 4th luminous intensity distribution portion, the 5th surface, luminous intensity distribution portion also divide and be provided with silver coating and/or aluminium coated.
15, according to arbitrary described LED light device of claim 1 to 13, it is characterized in that,
Described first luminous intensity distribution portion is the outer boundary of described first printing opacity heat conducting base material, and described outer boundary is skewed.
16, according to arbitrary described LED light device of claim 1 to 13, it is characterized in that,
Described first light modulation portion, the second dimming portion Wei fluorescence coatings.
17, according to arbitrary described LED light device of claim 1 to 13, it is characterized in that,
Described first printing opacity heat conducting base material is made up of aluminium nitride, oxygen aluminium or Graphene.
18, according to arbitrary described LED light device of claim 1 to 13, it is characterized in that,
One electrode of described first printing opacity heat conducting base material and described LED light source and an Electrode connection of power supply, another electrode of described LED light source with and another Electrode connection of the circuit that insulate mutually of described first printing opacity heat conducting base material and described power supply.
19, according to arbitrary described LED light device of claim 1 to 13, it is characterized in that,
Described printing opacity heat carrier is coated with the LED electrical pole be connected with power supply and draws foil line.
Therefore, the present embodiment technical scheme is adopted to be arranged on by LED light source in the first printing opacity heat conducting base material, both the heat radiation of LED light source had been conducive to, the luminescence of LED light source can be utilized again completely, improve the utilization rate of light and be provided with the light modulation portion for light modulation in the illumination front of LED light source and the back side, the luminous energy that LED light source is sent is used completely, and all through light modulation process, avoids blue light to leak outside and to have an impact to illuminating effect.
As the signal of the present embodiment, can be, but not limited to make the first center, light modulation portion, light modulation portion 1031, second just right, and when the second light modulation portion to the distance of LED light source relative to the first light modulation portion to LED light source distant time, make the area in the second light modulation portion be greater than the area in the first light modulation portion.Thus guarantee that the luminous energy dispersing injection from the LED illumination back side is effectively through the second light modulation portion, improve the lighting effect of emergent light.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms a application's part, does not form inappropriate limitation of the present invention, in the accompanying drawings:
A kind of LED light device perspective structure schematic diagram that Fig. 1 provides for the embodiment of the present invention 1;
A kind of LED light device perspective structure schematic diagram that Fig. 2 provides for the embodiment of the present invention 2;
The another kind of LED light device perspective structure schematic diagram that Fig. 3 provides for the embodiment of the present invention 2;
A kind of LED light device perspective structure schematic diagram that Fig. 4 provides for the embodiment of the present invention 3;
The another kind of LED light device perspective structure schematic diagram that Fig. 5 provides for the embodiment of the present invention 3;
A kind of LED light device perspective structure schematic diagram that Fig. 6 provides for the embodiment of the present invention 4;
The another kind of LED light device perspective structure schematic diagram that Fig. 7 provides for the embodiment of the present invention 4;
Another LED light device perspective structure schematic diagram that Fig. 8 provides for the embodiment of the present invention 4.
Reference numeral:
101: the first printing opacity heat conducting base material; 102:LED light source; 1031: the first light modulation portions;
1032: the second light modulation portions; 1041: the first luminous intensity distribution portions; 1042: the second luminous intensity distribution portions;
1043: the three luminous intensity distribution portions; 1044: the four luminous intensity distribution portions; 1045: the five luminous intensity distribution portions;
105:LED electrode draws foil line.
Detailed description of the invention
Describe the present invention in detail below in conjunction with accompanying drawing and specific embodiment, be used for explaining the present invention in this illustrative examples of the present invention and explanation, but not as a limitation of the invention.
embodiment 1:
Fig. 1 is a kind of LED light device perspective structure schematic diagram of the present embodiment provider, shown in Figure 1, the present embodiment LED light device mainly comprises: foil line 105 is drawn in the first printing opacity heat conducting base material 101, LED light source 102, first light modulation portion 1031 and the second light modulation portion 1032, LED electrical pole.
Wherein the first printing opacity heat conducting base material 101 by light-permeable and the transparent material with good heat conductive performance make, such as can be, but not limited to adopt the transparent materials such as aluminium oxide, aluminium nitride or Graphene to make.
First printing opacity heat conducting base material 101 is provided with a LED groove is installed, have at this installation groove internal fixtion the luminous LED light source 102 that can work under the driving at power supply.As the signal of the present embodiment, printing opacity heat conduction tubing establishes LED power to draw foil line 105, is connected with power supply with this.The LED light source 102 of the present embodiment can be, but not limited to as LED lamp bead or LED wafer, adopts LED wafer be conducive to the Miniaturization Design of LED light device and be conducive to heat radiation.
The light first printing opacity heat conducting base material 101 is provided with for sending LED light source 102 carries out the first light modulation portion 1031 of light modulation, the first light modulation portion 1031 is made to cover the illumination front being wrapped in LED light source 102, shown in Figure 1, make its side being wrapped in LED light source 102 and front, make it carry out light modulation to the light that the illumination front of LED light source 102 sends, blue light is adjusted to the light of required white light or user's required color.
Second light modulation portion 1032 is also arranged in the first printing opacity heat conducting base material 101, and itself and the first light modulation portion 1031 are located opposite from the illumination back side of LED light source 102, make it carry out light modulation to LED light source 102 from the light of its illumination back side emitter, blue light is adjusted to the light of required white light or user's required color.
Therefore, the present embodiment technical scheme is adopted to be arranged on by LED light source 102 in first printing opacity heat conducting base material 101, both the heat radiation of LED light source 102 had been conducive to, the luminescence of LED light source 102 can be utilized again completely, improve the utilization rate of light and be provided with the light modulation portion for light modulation in the illumination front of LED light source 102 and the back side, the luminous energy that LED light source 102 is sent is used completely, and all through light modulation process, avoids blue light to leak outside and to have an impact to illuminating effect.
As the signal of the present embodiment, can be, but not limited to make the first center, light modulation portion 1032, light modulation portion 1031, second just right, and when the second light modulation portion 1032 to the distance of LED light source 102 relative to the first light modulation portion 1031 to LED light source 102 distant time, make the area in the second light modulation portion 1032 be greater than the area in the first light modulation portion 1031.Thus guarantee that the luminous energy dispersing injection from the LED illumination back side is effectively through the second light modulation portion 1032, improve the lighting effect of emergent light.
As the signal of the present embodiment, be also provided with a first luminous intensity distribution portion 1041 tilted relative to horizontal line at the side interface place of the first printing opacity heat conducting base material 101.
As the signal of the present embodiment, can be, but not limited to the side interface of the first printing opacity heat conducting base material 101 to be set to smooth, to tilt relative to horizontal line (i.e. flexible non-stand-up) minute surface interface, utilize this minute surface interface as the first luminous intensity distribution portion 1041 of the present embodiment LED light source 102.Test proves, most of light, on the minute surface interface of this smooth inclination, catadioptric occurs, thus light is penetrated along preset direction, is conducive to controlling light path, improves the utilization rate to light, and reduces the thermal losses of light.
As the signal of the present embodiment, the first light modulation portion 1032 of light modulation portion 1031, second of the present embodiment is respectively fluoresent coating.
As the signal of the present embodiment, when the first printing opacity heat conducting base material 101 adopting the printing opacity heat conducting base material of satisfactory electrical conductivity and thermal conductivity and light transmission as the present embodiment, the positive pole of the first printing opacity heat conducting base material 101 and LED light source 102 or negative pole can be connected, the overall positive pole as LED light source 102 or ground, then by another polarity of LED light source 102 with and the circuit that insulate of the first printing opacity heat conducting base material 101 phase be connected, to improve the thermal diffusivity of circuit, and save material.
Embodiment 2:
Shown in Figure 2, the main distinction of the present embodiment and embodiment 1 is, in the LED light device of the present embodiment, the second luminous intensity distribution portion 1042 is also provided with above described first printing opacity heat conducting base material 101, the end face of the second luminous intensity distribution portion 1042 and the first printing opacity heat conducting base material 101 forms obtuse angle or acute angle, forms obtuse angle or acute angle with the first luminous intensity distribution portion 1041.Thus be conducive to the light reflection dispersed export-oriented above the first printing opacity heat conducting base material 101 to go back, to improve the utilization rate of light.
As the signal of the present embodiment, the 3rd luminous intensity distribution portion 1043 can also be set between the first luminous intensity distribution portion 1041 and the second luminous intensity distribution portion 1042, the 3rd luminous intensity distribution portion 1043 is connected between the first luminous intensity distribution portion 1041 and the second luminous intensity distribution portion 1042.Make to reflect the light of coming from the first luminous intensity distribution portion 1042 of luminous intensity distribution portion 1041, second to be gone back by the 3rd luminous intensity distribution portion 1043 secondary reflection, improve the utilization rate of light further.
As the signal of the present embodiment, can be, but not limited to escort services to stroll the curved surface not being set to outwardly convex, be conducive to the focusing of catadioptric light further, improve the utilization rate of light further.
As the signal of the present embodiment, shown in Figure 2, the present embodiment LED light device also comprises the second printing opacity heat conducting base material, the smooth tilting mirrors interface of the second printing opacity heat conducting base material is made to contact connection face-to-face with the smooth tilting mirrors interface of the first printing opacity heat conducting base material 101, thus utilize this minute surface interface connected face-to-face as first light distribution surface of the present embodiment, in this first light distribution surface, the light reflected behind light last smooth mirror surface interface, further across a rear smooth mirror surface boundary reflection, is conducive to effective utilization of light further.
Make the second printing opacity heat conducting base material as illustrated in fig. 2 higher than the top of the first printing opacity heat conducting base material 101, and the end face of the minute surface interface be positioned at above the first printing opacity heat conducting base material 101 and the first printing opacity heat conducting base material 101 forms obtuse angle or acute angle, be positioned at the second luminous intensity distribution portion 1042 of the minute surface interface above the first printing opacity heat conducting base material 101 as this LED light source 102 using this.
Second printing opacity heat conducting base material is connected to interface (being set to smooth mirror surface interface) between the first luminous intensity distribution portion 1042 of luminous intensity distribution portion 1041, second in Fig. 2 as the 3rd luminous intensity distribution portion 1043.
Therefore, application the present embodiment technical scheme, connected by the split of two printing opacity heat conducting base material, by material minute surface interface, the reflection of light path and refraction are realized to the control realization luminous intensity distribution of light path, be provided with secondary light luminous intensity distribution minute surface interface dexterously, achieve effective utilization of LED light, experiment proves, apply this enforcement technical scheme, the light 70%-96% that LED light source 102 sends can be used effectively, and greatly extends the application of LED.
As the signal of the present embodiment, shown in Figure 3, the 3rd luminous intensity distribution portion 1043 of the present embodiment can be made up of the curved surface of two outwardly convexs, and extending it thus can also be made up of the curved surface of more than two, as long as be conducive to current light path control.
Embodiment 3:
Shown in Figure 4, the present embodiment is mainly relative to embodiment institute difference:
The present embodiment LED light device also comprises the 4th luminous intensity distribution portion 1044,4th luminous intensity distribution portion 1044 ringwise curved surface or inclined-plane is arranged on the illumination frontal of LED light source 102, and be centered around LED light source 102 periphery, and with the front plan of LED light source 102 in obtuse angle or acute angle, there is catadioptric in major part light, thus light is penetrated along preset direction on the minute surface interface of this smooth inclination, is conducive to controlling light path, improve the utilization rate to light, and reduce the thermal losses of light.
As the signal of the present embodiment, what the degree of depth of installing groove can be arranged is darker, be located at the middle part of the first printing opacity heat conducting base material 101, and make the inwall of installation groove be arranged to smooth mirror surface, thus utilize the inwall of this installation groove as the 4th luminous intensity distribution portion 1044, utilize inwall to the control of the catadioptric effect light path of light, and part refraction is arrived behind the first luminous intensity distribution portion 1041 by effective catadioptric by the light in the 4th luminous intensity distribution portion 1044, achieve and the secondary reflection of light is utilized, be conducive to the utilization rate improving light.And utilize the technical program without the need to the light distribution device of additional complexity, can realize, be conducive to reducing product cost.
As the signal of the present embodiment, the design of structure composition graphs 4 shown shown in Fig. 2 can also be combined, the LED light device of structure shown in composition diagram 5.Be conducive to the utilization rate improving light further.
Embodiment 4:
Shown in Figure 6, the difference of the present embodiment and embodiment 1 is mainly:
The present embodiment LED light device, also comprise the 5th luminous intensity distribution portion 1045,5th luminous intensity distribution portion 1045, in bowl-shape, and along direction, the illumination back side opening of LED light source 102, and makes light modulation portion 1032 of LED light source 102, first light modulation portion 1031, second all be positioned at the 4th luminous intensity distribution portion 1044.Like this, 5th luminous intensity distribution portion 1045 can comprehensively reflect the light that LED light source 102 sends, and refraction is converged along the direction required for user after the reflection in the first luminous intensity distribution portion 1041 by the light in the 5th luminous intensity distribution portion 1045, is conducive to the control of light path and effective utilization of light further.
As the signal of the present embodiment, shown in Figure 6, can be, but not limited to arrange in the first printing opacity heat conducting base material 101 inside a shape identical with the 5th luminous intensity distribution portion 1045 hollow out layer, to hollow out the smooth mirror surface interface on layer both sides as the 5th luminous intensity distribution portion 1045, realize the secondary reflection to light and luminous intensity distribution, improve the control of light path and the utilization rate of light.
As the signal of the present embodiment, the design of embodiment 2 can also be combined with the present embodiment design, as shown in composition graphs 2, Fig. 6, design obtains the LED light device of structure shown in Fig. 7.In like manner, the LED light device of structure shown in Fig. 8 can also be obtained.
As the signal of the present embodiment, can be, but not limited in the first luminous intensity distribution portion 1042 of luminous intensity distribution portion 1041, second, the 3rd luminous intensity distribution portion 1043, the 4th luminous intensity distribution portion 1044, the 5th luminous intensity distribution portion 1045 arbitrary or wherein partly or completely surface be provided with silver coating and/or aluminium coated, further reinforcement light distribution surface is to the reflex of light, improve the utilization rate of light, but be actually not limited to this.
Above the technical scheme that the embodiment of the present invention provides is described in detail, apply specific case herein to set forth the principle of the embodiment of the present invention and embodiment, the explanation of above embodiment is only applicable to the principle helping to understand the embodiment of the present invention; Meanwhile, for one of ordinary skill in the art, according to the embodiment of the present invention, detailed description of the invention and range of application all will change, and in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. light-emitting device is in the basic LED light source of transmission heat conduction, it is characterized in that, comprising:
First printing opacity heat conducting base material, described first printing opacity heat conducting base material is provided with LED and installs groove,
LED light source, is fixed on described LED and installs in groove,
First light modulation portion, is arranged in described first printing opacity heat conducting base material, and covers the illumination front of described LED light source;
Second light modulation portion, is arranged in described first printing opacity heat conducting base material, and is positioned at the illumination back side of described LED light source.
2. LED light device according to claim 1, is characterized in that,
Described first light modulation portion also covers the illumination side of described LED light source.
3. LED light device according to claim 1, is characterized in that,
Described first light modulation portion, the second center, light modulation portion are just right, and the area in described second light modulation portion is greater than the area in described first light modulation portion.
4. LED light device according to claim 1, is characterized in that,
The first luminous intensity distribution portion is also provided with at the side interface place of described first printing opacity heat conducting base material.
5. LED light device according to claim 4, is characterized in that,
Above described first printing opacity heat conducting base material, be also provided with the second luminous intensity distribution portion, the end face of described second luminous intensity distribution portion and described first printing opacity heat conducting base material forms obtuse angle or acute angle, with described first formation obtuse angle, luminous intensity distribution portion or acute angle.
6. LED light device according to claim 5, is characterized in that,
The 3rd luminous intensity distribution portion is also provided with between described first luminous intensity distribution portion and the second luminous intensity distribution portion.
7. LED light device according to claim 6, is characterized in that,
Also comprise the second printing opacity heat conducting base material, the side of described second printing opacity heat conducting base material is connected in skewed outer boundary face-to-face with one of described first printing opacity heat conducting base material,
The linkage interface that described first printing opacity heat conducting base material is connected with the second printing opacity heat conducting base material is as described first luminous intensity distribution portion;
In described second printing opacity heat conducting base material, be positioned at the top of described first printing opacity heat conducting base material, and form the outer boundary of obtuse angle or acute angle as described second luminous intensity distribution portion with the end face of described first printing opacity heat conducting base material;
In described second printing opacity heat conducting base material, the interface be connected between described first luminous intensity distribution portion, the second luminous intensity distribution portion is described 3rd light distribution surface.
8. LED light device according to claim 6, is characterized in that,
Described 3rd luminous intensity distribution portion is the curved surface of outwardly convex.
9. LED light device according to claim 6, is characterized in that,
Described 3rd light distribution surface is made up of the curved surface of at least two outwardly convexs.
10. LED light device according to claim 4, is characterized in that,
Also comprise the 4th luminous intensity distribution portion, described 4th luminous intensity distribution portion ringwise curved surface or inclined-plane is arranged on the illumination frontal of described LED light source, and is centered around described LED light source periphery, and with the front plan of described LED light source in obtuse angle or acute angle.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410609553.7A CN104359027A (en) | 2014-11-03 | 2014-11-03 | Light-emitting diode (LED) light source with luminous body arranged at transmission heat conducting base |
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| CN201410609553.7A CN104359027A (en) | 2014-11-03 | 2014-11-03 | Light-emitting diode (LED) light source with luminous body arranged at transmission heat conducting base |
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| CN103542304A (en) * | 2013-10-29 | 2014-01-29 | 立达信绿色照明股份有限公司 | Outward-radiation LED (light emitting diode) lamp |
| CN204213680U (en) * | 2014-11-03 | 2015-03-18 | 黎昌兴 | Light-emitting unit is in the LED light source of transmission heat conduction substrate |
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Application publication date: 20150218 |