CN102486265B - Light-emitting diode (LED) module and lighting fixture structure - Google Patents
Light-emitting diode (LED) module and lighting fixture structure Download PDFInfo
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- CN102486265B CN102486265B CN201010571929.1A CN201010571929A CN102486265B CN 102486265 B CN102486265 B CN 102486265B CN 201010571929 A CN201010571929 A CN 201010571929A CN 102486265 B CN102486265 B CN 102486265B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting
Abstract
The invention relates to an improvement of a light-emitting diode (LED) module and a lighting fixture structure, wherein the LED module comprises a base, a reflector, a diffuser and a fluorescent glue layer. The base is provided with an accommodating part for accommodating at least one LED wafer, the reflector is arranged on the base, is provided with an accommodating space for accommodating a first colloid, and the diffuser is in butt joint with the reflector for sealing the first colloid, and the fluorescent glue layer is arranged between the diffuser and the first colloid. Through the structural design provided by the invention, more uniform light spots and color temperatures can be effectively realized, and moreover, the integral emergent optical efficiency is effectively improved.
Description
Technical field
The present invention relates to a kind of LED modulated structure, especially a kind of have the hot spot of reaching and colour temperature is more even, and then effectively promote again LED module improvement and the fitting structure of (or enhancement) whole light extraction efficiency.
Background technology
In recent years, along with the fast development of light emitting diode (LED), make the light efficiency (or claiming luminous efficiency) of LED surpass traditional energy-conserving light source; Thereby make high-powered LED lamp a large amount of extensive uses already in fields such as indoor and outdoor lighting.
And at present in releasing on the market LED lamp, normally by a tens or hundreds of high-power 1WLED, combine and form a LED module, to reach required luminous flux and brightness, but the LED module size of this mode is relatively large, if when aforementioned LED module is applied in to in-plant illumination, easily cause the photographed object part (as people or object) in illumination zone can produce a plurality of shadows, and then affect the impression of vision, therefore in order to address this problem, dealer has just been developed the LED module that high-power many LED wafer forms, make single LED module that 50W can be provided, or the power of 100W, to solve the problem that in illuminating effect, photographed object part is produced a plurality of shadows, the thermal power density of high-power LED module is far longer than the LED of single LEDs wafer package, and the temperature height of central hot spot can cause affecting luminous efficiency and the life-span of the fluorescent material covering on LED wafer, and then can cause LED module to produce light decay phenomenon.
So dealer is in order to overcome the problems referred to above, a kind of light emitting diode construction is just proposed, as consult as shown in Fig. 1, this light emitting diode construction 1 comprises a phosphor powder layer 10, one blue-ray LED module 11, one lens 12, one pedestal 13 and a reflector 14, wherein this phosphor powder layer 10 is formed on lens 12, and it is comprised of fluorescent material 101, this blue-ray LED module 11 consists of together single 1W or 111 combinations of more lower powered blue-ray LED of a plurality of encapsulation, it is in order to as light emitting source, and this blue-ray LED module 11 is installed with on pedestal 13, this pedestal 13 is docked in one end of this reflector 14, and this blue-ray LED module 11 relatively, its other end connects with lens 12, to form described light-emitting diodes structure 1, so when blue-ray LED module 11 is sent light source, by this reflector 14, light source is reflected away towards lens 12 directions, effective improving luminous efficiency.
In actual use, the luminous efficiency that can promote is limited for this structure 1, and the visible ray inside light propagated on phosphor powder layer 10 sending because of blue-ray LED 111 has accounted for very large proportion, to cause light extraction efficiency obviously to reduce.In addition, because this reflector 14 can cause light back reflective on several interfaces, to cause the loss of more light.
Moreover, due to because of the larger relation of the own size of each blue-ray LED in aforementioned blue-ray LED module 11, and then easily cause blue-ray LED module 11 itself to become an absorbing surface of light, and more hindered the taking-up of light and reduced light efficiency.
The above prior art has following shortcoming:
1. light extraction efficiency is not good;
2. hot spot and color temperature uniformity are not good;
3. because high temperature causes occurring light decay phenomenon.
Therefore, how to solve above-mentioned existing problem and disappearance, the inventor who is this case desires most ardently to the relevant manufacturer that is engaged in the industry the direction place that research improves.
Summary of the invention
For this reason, for solving the shortcoming of above-mentioned prior art, main purpose of the present invention provides a kind of LED module improvement that promotes whole light extraction efficiency that has.
Secondary objective of the present invention is providing a kind of the have hot spot of reaching and the more uniform LED module improvement of colour temperature.
Secondary objective of the present invention provide a kind of have reach the LED module improvement that prevents light decay.
Secondary objective of the present invention is providing a kind of the have whole light extraction efficiency of lifting and hot spot and the more uniform fitting structure of colour temperature.
For achieving the above object, the technical solution used in the present invention is:
A fitting structure, is characterized in that, comprising:
One reflector, has the opening that a spatial accommodation and is communicated with this spatial accommodation, and this spatial accommodation content is provided with first colloid;
One diffuser, docks this reflector, to seal this first colloid, makes this diffuser and reflector integrally combine; And
One fluorescent glue-line, is located between this diffuser and this first colloid, and in it, mixes and be provided with fluorescent material and the second colloid, and this fluorescent material is covered by this second colloid.
Wherein: this reflector has a bearing and first reflecting part and second reflecting part, this opening provides and is formed in this bearing, and its content is provided with a LED module, the formation that stretches out from these bearing both sides respectively of this first and second reflecting part, and this first and second reflecting part defines aforementioned spatial accommodation jointly.
Wherein: this second colloid is transparent silica gel or transparent ink, and this fluorescent glue-line is formed in one end of this first colloid, and adjacent to this diffuser.
Wherein: this second colloid is transparent silica gel or transparent ink, this fluorescent glue-line is formed in this diffuser, and adjacent to this first colloid.
Wherein: between this diffuser and fluorescent glue-line, be provided with a coarse hair side, this coarse hair side does not form with the outside that this first colloid contacts along this fluorescent glue-line.
Wherein: more comprise lens, these lens with bottom connection that should diffuser is established, and this lens package overlays in this first colloid one end and adjacent to this fluorescent glue-line, and in these lens, fills out and be provided with another fluorescent material.
Wherein: more comprise at least one lens, these lens are located in this fluorescent glue-line, and this fluorescent glue-line is coated is formed on the outside of these lens.
Wherein: it is wherein arbitrary that this diffuser is chosen as the compound lens that a glass lens and convex lens and concavees lens and Fresnel lens and plural lenses are combined into.
Wherein: the contact area of this fluorescent glue-line and lens is more than or equal to the light-receiving area of this diffuser.
Wherein: this LED module and be more than or equal to millimeter to thering is a distance between should fluorescent glue-line.
Wherein: this first colloid is silica gel.
For achieving the above object, the technical solution used in the present invention is:
A kind of LED module improvement, is characterized in that, comprising:
One pedestal, has a holding part and has been installed with at least one LED wafer;
One reflector, is located on this pedestal and to should LED wafer, and has a spatial accommodation and be communicated with this holding part, and this spatial accommodation content is provided with first colloid;
One diffuser, docks this reflector, to seal this first colloid, makes this diffuser and this reflector and pedestal integrally combine; And
One fluorescent glue-line, is located between this diffuser and this first colloid, and in it, mixes and be provided with fluorescent material and the second colloid, and this fluorescent material is covered by the second colloid.
Wherein: this reflector has a bearing and first reflecting part and second reflecting part, this bearing is connected to form on this pedestal and described these LED wafers, this first and second reflecting part formation that stretches out from these bearing both sides respectively, and this first and second reflecting part defines aforementioned spatial accommodation jointly.
Wherein: this second colloid is transparent silica gel or transparent ink, and this fluorescent glue-line is formed in one end of this first colloid, and adjacent to this diffuser.
Wherein: this second colloid is transparent silica gel or transparent ink, this fluorescent glue-line is formed in this diffuser, and adjacent to this first colloid.
Wherein: between this diffuser and fluorescent glue-line, be provided with a coarse hair side, this coarse hair side does not form with the outside that this first colloid contacts along this fluorescent glue-line.
Wherein: more comprise lens, these lens with bottom connection that should diffuser is established, and this lens package overlays in this first colloid one end and adjacent to this fluorescent glue-line, and in these lens, fills out and be provided with another fluorescent material.
Wherein: more comprise at least one lens, these lens are located in this fluorescent glue-line, and this fluorescent glue-line is coated is formed on the outside of these lens.
Wherein: it is wherein arbitrary that this diffuser is chosen as the compound lens that a glass lens and convex lens and concavees lens and Fresnel lens and plural lenses are combined into.
Wherein: this pedestal with copper material and aluminium material and ceramic material and graphite material and silicon material wherein arbitrary material formed.
Wherein: the contact area of this fluorescent glue-line and lens is more than or equal to the light-receiving area of this diffuser.
Wherein: these described LED wafers and there is the distance that is more than or equal to millimeter between should fluorescent glue-line.
Wherein: this first colloid is silica gel.
Compared with prior art, the beneficial effect that the present invention has is:
The invention provides a kind of fitting structure, by the design of this structure of the present invention, can effectively reach and prevent that light decay and hot spot and colour temperature are more even, and then effectively promote whole light extraction efficiency again.
The present invention separately provides a kind of LED module improvement, the structural design being combined into one by pedestal of the present invention, reflector, diffuser and fluorescent glue-line, make effectively to reach and prevent that light decay and hot spot and colour temperature are more even, and then effectively promote again (or enhancement) whole light extraction efficiency.
Accompanying drawing explanation
Fig. 1 is existing combination generalized section;
Fig. 2 A is the LED module combination generalized section of the first preferred embodiment of the present invention;
Fig. 2 B is that the LED module of the first preferred embodiment of the present invention decomposes generalized section;
Fig. 3 is the LED module combination generalized section of the second preferred embodiment of the present invention;
Fig. 4 is the LED module combination generalized section of the 3rd preferred embodiment of the present invention;
Fig. 5 is the LED module combination generalized section of the 4th preferred embodiment of the present invention;
Fig. 6 is the LED module combination generalized section of the 5th preferred embodiment of the present invention;
Fig. 7 is the LED module combination generalized section of the 6th preferred embodiment of the present invention;
Fig. 8 A is the fitting structure combination generalized section of the 7th preferred embodiment of the present invention;
Fig. 8 B is that the fitting structure of the 7th preferred embodiment of the present invention decomposes generalized section;
Fig. 9 is the fitting structure combination generalized section of the 8th preferred embodiment of the present invention;
Figure 10 is the fitting structure combination generalized section of the 9th preferred embodiment of the present invention;
Figure 11 is the fitting structure combination generalized section of the tenth preferred embodiment of the present invention;
Figure 12 is the fitting structure combination generalized section of the 11 preferred embodiment of the present invention;
Figure 13 is the fitting structure combination generalized section of the 12 preferred embodiment of the present invention.
Description of reference numerals: LED module 2,4; The first colloid 227,327; Pedestal 21; Diffuser 23,33; Holding part 210; Fluorescent glue- line 24,34; LED wafer 214; Fluorescent material 241,341; Reflector 22,32; The second colloid 243,343; Bearing 221,321; Coarse hair side 26,36; The first reflecting part 222,322; Lens 27,37; The second reflecting part 223,323; Fitting structure 3; Spatial accommodation 225,325; Opening 326.
The specific embodiment
Characteristic in above-mentioned purpose of the present invention and structure thereof and function, will be explained according to appended graphic preferred embodiment.
Refer to shown in Fig. 2 A, Fig. 2 B, the present invention is a kind of LED module 2 improvement, in the first preferred embodiment of the present invention, figure comprises a pedestal 21, a reflector 22, a diffuser 23 and a fluorescent glue-line 24, this pedestal 21 select with copper material and aluminium material and ceramic material and graphite material and silicon material wherein arbitrary material formed, in this better enforcement, this pedestal 21 explains with copper material; Aforementioned pedestal 21 has a holding part 210, this holding part 210 has been installed with at least one LED wafer 214, and these described LED wafers 214 are gallium nitride (GaN) LED wafer or InGaN (InGaN) light emitting diode (LED) wafer.
So can reduce the temperature of this fluorescent glue-line 24 by the first colloid 227 in structure of the present invention, make the susceptibility when the regulating power to LED module 2, can maintain a metastable temperature, effectively to improve colour temperature drift.LED module compared to general existing phosphor powder layer together with LED wafer package, when regulating power, because the temperature of LED module can be along with regulating power consumption size to change, and the temperature of fluorescent material also can change at one time, make the variation of fluorescent material temperature and cause the variation of launching efficiency and luminous lower conversion (Down-conversion) process efficiency, to cause, colour temperature drift occurs.
Described bearing 221 be connected to form this pedestal 21 and etc. on LED wafer 214, this first reflecting part 222 and the second reflecting part 223 formation that stretches out from bearing 221 both sides respectively, and this first and second reflecting part 222,223 defines spatial accommodation 225 jointly, also described first and second reflecting part 222,223 is symmetrical and be to tilt to extend to form in bearing 221 both sides, jointly to define described spatial accommodation 225.
Continuous Fig. 2 A that consults, it is wherein arbitrary that aforementioned diffuser 23 is chosen as the compound lens that a glass lens and convex lens and concavees lens and Fresnel lens (Fresnel lens) and plural lenses are combined into, in this better enforcement, with convex lens, explain, but be not limited to this.And these diffuser 23 these reflectors 22 of docking, to seal this first colloid 227, make this diffuser 23 and reflector 22 and pedestal 21 be combined into one, to form described LED module 2; Wherein the refractive index of diffuser 23 is less than the refractive index of the first colloid 227.
This fluorescent glue-line 24 is located between this diffuser 23 and the first colloid 227, and also this fluorescent glue-line 24 is formed in one end of this first colloid 227, and adjacent to this diffuser 23, and its relative these LED wafer 214 1 sides are sensitive surface, and in this fluorescent glue-line 24, mix and be provided with a fluorescent material 241 and second colloid 243, this fluorescent material 241 is covered by the second colloid 243, so rely on this fluorescent glue-line 24 with corresponding described in these LED wafers 214 between have one apart from the relation that is more than or equal to 2 millimeters (mm), the blue light that these described LED wafers 214 of order send can be by fluorescent material 241 uniform irradiations, also be blue light with fluorescent material 241 by luminous lower conversion (Down-conversion) process be excited produce by the light of red shift, in all angles, obtained mixing more fully, therefore the light that makes diffuser 23 covers be shot out can not produce any real image or the virtual image, therefore the color angle distribution of the emerging beam of this structure of the present invention can reach preferably uniformity.
Aforementioned the second colloid 243 is a transparent silica gel or a transparent ink, in this better enforcement, with transparent silica gel, explains; And the refractive index of transparent silica gel is between 1.5 to 1.54.Another person, aforementioned fluorescent glue-line 24 has a thickness and is less than 1 millimeter (mm), this thickness is not to take the X that LED wafer 214 exiting surfaces are datum level, constant on Y coordinate, and with a convex function h (X, Y), wherein h is this thickness, and the approximate Luminance Distribution function that is proportional to LED module 2 contributions at fluorescent glue-line 24 positions, place of this convex function.The weight rate of this fluorescent material 241 and transparent silica gel is between 1:8 to 1:2.
So when aforementioned LED module 2 sends visible ray, make light source can sequentially pass through the first colloid 227, fluorescent glue-line 24, then rely on this first, two colloids 227, 243 self-characteristics increase luminous efficiency, then, same time portion light source can be via reflector 22 towards this second colloid 243 and diffuser 23 direction reflections, finally, by this diffuser 23, light source projects is gone out to the external world, therefore, rely on the design of this structure of the present invention, no matter be applied in far away, while closely throwing light on, can there is not the problem that photographed object part produces a plurality of shadows, and can coloured difference in field of illumination yet, and then can effectively reach hot spot and colour temperature is more even, and effectively promote again whole light extraction efficiency.
Refer to Fig. 3, the second preferred embodiment of the present invention, this preferred embodiment is roughly identical with aforementioned the first preferred embodiment, at this, do not repeat in addition, its difference be in: this fluorescent glue-line 24 is formed in this diffuser 23, and adjacent to this first colloid 227, and this second colloid 243 is a transparent silica gel or a transparent ink, in this better enforcement, with transparent silica gel, explains.
Consult Fig. 4, the 3rd preferred embodiment of the present invention, this preferred embodiment is roughly identical with aforementioned the second preferred embodiment, at this, do not repeat in addition, its difference be in: between this diffuser 23 and fluorescent glue-line 24, be provided with a coarse hair side 26, this coarse hair side 26 does not form with the outside that this first colloid 227 contacts along this fluorescent glue-line 24.
Consult Fig. 5, the 4th preferred embodiment of the present invention, this preferred embodiment is roughly identical with aforementioned the second preferred embodiment, at this, do not repeat in addition, its difference be in: this LED module 2 more comprises lens 27, this lens 27 with bottom connection that should diffuser 23 is established, and it is coated on these the first colloid 227 one end in also adjacent this fluorescent glue-line 24, and fills out and be provided with another fluorescent material in these lens 27; Wherein this lens 27 for the compound lens being combined into as glass lens and convex lens and concavees lens and Fresnel lens and plural lenses wherein arbitrary.
Another person, aforementioned lens 27 can be set different light extraction efficiencies according to user's demand in advance from diffuser 23, and also, as Fig. 5, these lens 27 are chosen as Fresnel lens, and this diffuser 23 of arranging in pairs or groups is chosen as convex lens, to produce different light extraction efficiencies.
Consult Fig. 6, the 5th preferred embodiment of the present invention, this preferred embodiment is roughly identical with aforementioned the second preferred embodiment, at this, do not repeat in addition, its difference be in: this LED module 2 more comprises at least one lens 27, these lens 27 are located in this fluorescent glue-line 24, and this fluorescent glue-line 24 is coated is formed on the outside of these lens 27, so that fluorescent glue-line 24 is sensitive surface.Another person is in concrete enforcement, user can be in advance according to the demand that promotes whole lighting efficiency, adjusted design is in the quantity of the interior lens 27 of diffuser 23 and the number of plies of fluorescent glue-line 24, for example the interior design of aforementioned diffuser 23 is with two nested compound lenses that form of lens 27, and this fluorescent glue-line 24 fill be respectively located between two lens 27 and the corresponding lens 27 of diffuser 23 between.Wherein the contact area of this fluorescent glue-line 24 and lens 27 is more than or equal to the light-receiving area of this diffuser 23.
Moreover aforementioned lens 27 are that the compound lens that is combined into as glass lens and convex lens and concavees lens and Fresnel lens and plural lenses is wherein arbitrary.And in concrete enforcement, aforementioned lens 27 can be set different light extraction efficiencies according to user's demand in advance from diffuser 23, and also, as Fig. 6, these lens 27 are chosen as convex lens, this diffuser 23 of arranging in pairs or groups is chosen as convex lens, to produce different light extraction efficiencies.
Consult Fig. 7, the 6th preferred embodiment of the present invention, this preferred embodiment is roughly identical with aforementioned the first preferred embodiment, at this, do not repeat in addition, mainly the diffuser of aforementioned the first preferred embodiment 23 for changing design, convex lens is become to flat glass lens, also the diffuser 23 of i.e. this preferred embodiment is chosen as flat glass lens, so that different design meanses to be provided.
Refer to the fitting structure combination generalized section that Fig. 8 A, Fig. 8 B show the 7th preferred embodiment of the present invention.In figure, this fitting structure 3 comprises a reflector 32, a diffuser 33 and a fluorescent glue-line 34, and this reflector 32 is made with microcavity foaming reflecting plate (Micro Cellular PET, MCPET) material, the light source sending from a LED module 4 in order to reflection; And this reflector 32 has a bearing 321 and first reflecting part 322 and second reflecting part 323 and a spatial accommodation 325 and an opening 326 and is communicated with these spatial accommodations 325, wherein this opening 326 provides and is formed in this bearing 321, and its content is provided with aforementioned LED module 4, this LED module 4 is chosen as the LED module as above-mentioned each preferred embodiment, or is also the LED module as other colors.
Continuous ginseng Fig. 8 B, this first reflecting part 322 and the second reflecting part 323 formation that stretches out from bearing 321 both sides respectively, and this first and second reflecting part 322,323 defines spatial accommodation 325 jointly, also described first and second reflecting part 322,323 is symmetrical and be to tilt to extend to form in bearing 321 both sides, jointly to define described spatial accommodation 325.
Aforementioned spatial accommodation 325 contents are provided with first colloid 327, this first colloid 327 is silica gel, its hardness is to be less than or equal to 30ShoreA (Xiao Shi A level), and the characteristic that relies on aforementioned silica gel, original in the high transmission rate of visible spectrum and the transparency except retaining, to have reduced the variations in refractive index in light path, and then contribute to reduce the loss of light in described LED module 4, effectively to increase whole light extraction efficiency.
By the first colloid 327 in this better enforcement structure, can reduce thus the temperature of this fluorescent glue-line 34, make the susceptibility when the regulating power to LED module 4, can maintain a metastable temperature, effectively to improve colour temperature drift.LED module compared to general existing phosphor powder layer together with LED wafer package, when regulating power, because the temperature of LED module can be along with regulating power consumption size to change, and the temperature of fluorescent material also can change at one time, make the variation of fluorescent material temperature and cause the variation of launching efficiency and luminous lower conversion (Down-conversion) process efficiency, to cause, colour temperature drift occurs.
It is wherein arbitrary that aforementioned diffuser 33 is chosen as the compound lens that a glass lens and convex lens and concavees lens and Fresnel lens (Fresnel lens) and plural lenses are combined into, and explains, but be not limited to this in this better enforcement with convex lens.And these diffuser 33 these reflectors 32 of docking, to seal this first colloid 327, make this diffuser 33 be combined into one with reflector 32, to form described LED module 4; Wherein the refractive index of diffuser 33 is less than the refractive index of the first colloid 327.
Consult in the lump 8A, 8 figure B, this fluorescent glue-line 34 is located between this diffuser 33 and the first colloid 327, also this fluorescent glue-line 34 is formed in one end of this first colloid 327, and adjacent to this diffuser 33, and its relative these LED module 4 one sides are sensitive surface, and in fluorescent glue-line 34, mix and be provided with a fluorescent material 341 and second colloid 343, this fluorescent material 341 is covered by the second colloid 343; So by means of this fluorescent glue-line 34 and to thering is the relation that a distance is more than or equal to 2 millimeters (mm) between LED module 4, make the blue light that this LED module 4 sends can be by fluorescent material 341 uniform irradiations, also be blue light with fluorescent material 341 by luminous lower conversion (Down-conversion) process be excited produce by the light of red shift, in all angles, obtained mixing more fully, therefore the light that makes diffuser 33 covers be shot out can not produce any real image or the virtual image, therefore the color angle distribution of the emerging beam of this structure of the present invention can reach preferably uniformity.
Aforementioned the second colloid 343 is expressed as a transparent silica gel and explains, but is not limited to this, also can be a transparent ink; And the refractive index of transparent silica gel is between 1.5 to 1.54.Another person, aforementioned fluorescent glue-line 34 has a thickness and is less than 1 millimeter (mm), this thickness is not to take the X that LED module 4 exiting surfaces are datum level, constant on Y coordinate, and with a convex function h (X, Y), wherein h is this thickness, the approximate Luminance Distribution function that is proportional to LED module 4 contributions at fluorescent glue-line 34 positions, place of this convex function.The weight rate of this fluorescent material 341 and transparent silica gel is between 1:8 to 1:2.
So when LED module 4 sends visible ray, make light source can sequentially pass through the first colloid 327, fluorescent glue-line 34, then rely on this first, two colloids 327, 343 self-characteristics increase luminous efficiency, then, same time portion light source can be via reflector 32 towards this second colloid 343 and diffuser 33 direction reflections, finally, by this diffuser 33, light source projects is gone out to the external world, therefore, rely on the design of fitting structure 3 of the present invention, no matter be applied in far away, while closely throwing light on, can there is not the problem that photographed object part produces a plurality of shadows, and can coloured difference in field of illumination yet, and then can effectively reach hot spot and colour temperature is more even, and effectively promote again whole light extraction efficiency.
Consult Fig. 9 and show the fitting structure combination generalized section of the 8th preferred embodiment of the present invention.This preferred embodiment is roughly identical with aforementioned the 7th preferred embodiment, therefore again do not repeating, its both differences be in: this fluorescent glue-line 34 is formed in this diffuser 33, and adjacent to this first colloid 327, and aforementioned the second colloid 343 is a transparent silica gel or a transparent ink, in this better enforcement, with transparent silica gel, explains.
Consult Figure 10 and show the fitting structure combination generalized section of the 9th preferred embodiment of the present invention.This preferred embodiment primary structure is roughly identical with aforementioned the 8th preferred embodiment, its difference be in: between this diffuser 33 and fluorescent glue-line 34, be provided with a coarse hair side 36, this coarse hair side 36 does not form with the outside that this first colloid 327 contacts along this fluorescent glue-line 34.
Consult Figure 11 and show the fitting structure combination generalized section of the tenth preferred embodiment of the present invention.This preferred embodiment primary structure is roughly identical with aforementioned the 8th preferred embodiment, mainly that this better enforcement fitting structure 3 more comprises lens 37, this lens 37 with bottom connection that should diffuser 33 is established, and it is coated in these the first colloid 327 one end and adjacent this fluorescent glue-line 34, and fills out and be provided with another fluorescent material in these lens 37; Wherein this lens 37 for the compound lens being combined into as glass lens and convex lens and concavees lens and Fresnel lens and plural lenses wherein arbitrary.
Another person, aforementioned lens 37 can be set different light extraction efficiencies according to user's demand in advance from diffuser 33, and also, as Figure 11, these lens 37 are chosen as Fresnel lens, and this diffuser 33 of arranging in pairs or groups is chosen as convex lens, to produce different light extraction efficiencies.
Consult Figure 12 and show the fitting structure combination generalized section of the 11 preferred embodiment of the present invention.This preferred embodiment primary structure is roughly identical with aforementioned the 8th preferred embodiment, mainly that this better enforcement fitting structure 3 more wraps at least one lens 37, these lens 37 are located in this fluorescent glue-line 34, and this fluorescent glue-line 34 is coated and is formed on the outside of these lens 37, so that fluorescent glue-line 34 is sensitive surface.Another person is in concrete enforcement, user can be in advance according to the demand that promotes whole lighting efficiency, adjusted design is in the quantity of the interior lens 37 of diffuser 33 and the number of plies of fluorescent glue-line 34, for example the interior design of aforementioned diffuser 33 is with the compound lens of two lens 37 nested formations, and this fluorescent glue-line 34 fill be respectively located between two lens 37 and the corresponding lens 37 of diffuser 33 between.Wherein the contact area of this fluorescent glue-line 34 and lens 37 is more than or equal to the light-receiving area of this diffuser 33.
Moreover aforementioned lens 37 are that the compound lens that is combined into as glass lens and convex lens and concavees lens and Fresnel lens and plural lenses is wherein arbitrary.And in concrete enforcement, aforementioned lens 37 can be set different light extraction efficiencies according to user's demand in advance from diffuser 33, and also, as Figure 12, these lens 37 are chosen as convex lens, this diffuser 33 of arranging in pairs or groups is chosen as convex lens, to produce different light extraction efficiencies.
Consult Figure 13 and show the fitting structure combination generalized section of the 12 preferred embodiment of the present invention.This preferred embodiment primary structure is roughly identical with aforementioned the 7th preferred embodiment, at this, do not repeat in addition, mainly the diffuser of aforementioned the 7th preferred embodiment 33 for changing design, convex lens is become to flat glass lens, also the diffuser 33 of i.e. this preferred embodiment is chosen as flat glass lens, so that different design meanses to be provided.
The above, the present invention compared to existing have advantages of following:
1. there is lifting (or enhancement) light extraction efficiency;
2. there is the hot spot of order and colour temperature is more even;
3. there is the light decay of preventing.
More than explanation is just illustrative for the purpose of the present invention; and nonrestrictive, those of ordinary skills understand, in the situation that do not depart from the spirit and scope that claim limits; can make many modifications, variation or equivalence, but within all will falling into protection scope of the present invention.
Claims (21)
1. a fitting structure, is characterized in that, comprising:
One reflector, has the opening that a spatial accommodation and is communicated with this spatial accommodation, and this spatial accommodation content is provided with first colloid, and this first colloid is silica gel, and its hardness is less than or equal to 30 Xiao Shi A levels;
One diffuser, docks this reflector, to seal this first colloid, makes this diffuser and reflector integrally combine; And
One fluorescent glue-line, is located between this diffuser and this first colloid, and in it, mixes and be provided with fluorescent material and the second colloid, and this fluorescent material is covered by this second colloid;
Wherein, this reflector has a bearing and first reflecting part and second reflecting part, this opening provides and is formed in this bearing, and its content is provided with a LED module, the formation that stretches out from these bearing both sides respectively of this first and second reflecting part, and this first and second reflecting part defines aforementioned spatial accommodation jointly.
2. fitting structure according to claim 1, is characterized in that: this second colloid is transparent silica gel or transparent ink, and this fluorescent glue-line is formed in one end of this first colloid, and adjacent to this diffuser.
3. fitting structure according to claim 1, is characterized in that: this second colloid is transparent silica gel or transparent ink, and this fluorescent glue-line is formed in this diffuser, and adjacent to this first colloid.
4. fitting structure according to claim 3, is characterized in that: between this diffuser and fluorescent glue-line, be provided with a coarse hair side, this coarse hair side does not form with the outside that this first colloid contacts along this fluorescent glue-line.
5. fitting structure according to claim 3, it is characterized in that: more comprise lens, these lens with bottom connection that should diffuser is established, and this lens package overlays in this first colloid one end and adjacent to this fluorescent glue-line, and in these lens, fills out and be provided with another fluorescent material.
6. fitting structure according to claim 3, is characterized in that: more comprise at least one lens, these lens are located in this fluorescent glue-line, and this fluorescent glue-line is coated is formed on the outside of these lens.
7. fitting structure according to claim 1, is characterized in that: it is wherein arbitrary that this diffuser is chosen as the compound lens that convex lens and concavees lens and Fresnel lens and plural lenses are combined into.
8. fitting structure according to claim 1, is characterized in that: this diffuser is a glass lens.
9. fitting structure according to claim 6, is characterized in that: the contact area of this fluorescent glue-line and lens is more than or equal to the light-receiving area of this diffuser.
10. fitting structure according to claim 6, is characterized in that: this LED module and be more than or equal to the distance of 2 millimeters to having between should fluorescent glue-line.
11. 1 kinds of LED modules, is characterized in that, comprising:
One pedestal, has a holding part and has been installed with at least one LED wafer;
One reflector, is located on this pedestal and to should LED wafer, and has a spatial accommodation and be communicated with this holding part, and this spatial accommodation content is provided with first colloid, and this first colloid is silica gel, and its hardness is less than or equal to 30 Xiao Shi A levels;
One diffuser, docks this reflector, to seal this first colloid, makes this diffuser and this reflector and pedestal integrally combine; And
One fluorescent glue-line, is located between this diffuser and this first colloid, and in it, mixes and be provided with fluorescent material and the second colloid, and this fluorescent material is covered by the second colloid;
Wherein, this reflector has a bearing and first reflecting part and second reflecting part, this bearing is connected to form on this pedestal and described LED wafer, this first and second reflecting part formation that stretches out from these bearing both sides respectively, and this first and second reflecting part defines aforementioned spatial accommodation jointly.
12. LED modules according to claim 11, is characterized in that: this second colloid is transparent silica gel or transparent ink, and this fluorescent glue-line is formed in one end of this first colloid, and adjacent to this diffuser.
13. LED modules according to claim 11, is characterized in that: this second colloid is transparent silica gel or transparent ink, and this fluorescent glue-line is formed in this diffuser, and adjacent to this first colloid.
14. LED modules according to claim 13, is characterized in that: between this diffuser and fluorescent glue-line, be provided with a coarse hair side, this coarse hair side does not form with the outside that this first colloid contacts along this fluorescent glue-line.
15. LED modules according to claim 13, it is characterized in that: more comprise lens, these lens with bottom connection that should diffuser is established, and this lens package overlays in this first colloid one end and adjacent to this fluorescent glue-line, and in these lens, fills out and be provided with another fluorescent material.
16. LED modules according to claim 13, is characterized in that: more comprise at least one lens, these lens are located in this fluorescent glue-line, and this fluorescent glue-line is coated is formed on the outside of these lens.
17. LED modules according to claim 11, is characterized in that: it is wherein arbitrary that this diffuser is chosen as the compound lens that convex lens and concavees lens and Fresnel lens and plural lenses are combined into.
18. LED modules according to claim 11, is characterized in that: this diffuser is a glass lens.
19. LED modules according to claim 11, is characterized in that: this pedestal with copper material and aluminium material and ceramic material and graphite material and silicon material wherein arbitrary material formed.
20. LED modules according to claim 16, is characterized in that: the contact area of this fluorescent glue-line and lens is more than or equal to the light-receiving area of this diffuser.
21. LED modules according to claim 16, is characterized in that: described LED wafer and to having the distance that is more than or equal to 2 millimeters between fluorescent glue-line.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010571929.1A CN102486265B (en) | 2010-12-03 | 2010-12-03 | Light-emitting diode (LED) module and lighting fixture structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010571929.1A CN102486265B (en) | 2010-12-03 | 2010-12-03 | Light-emitting diode (LED) module and lighting fixture structure |
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| CN102486265B true CN102486265B (en) | 2014-04-23 |
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| CN102777854A (en) * | 2012-06-19 | 2012-11-14 | 扬州雷笛克光学有限公司 | LED (light-emitting diode) optical lens with media |
| CN102788316A (en) * | 2012-06-19 | 2012-11-21 | 扬州雷笛克光学有限公司 | Light-emitting diode (LED) optical lens capable of increasing irradiation angle |
| CN103271645A (en) * | 2013-06-03 | 2013-09-04 | 苏州原点工业设计有限公司 | Water dispenser capable of emitting light |
| CN117153995A (en) * | 2023-10-30 | 2023-12-01 | 罗化芯显示科技开发(江苏)有限公司 | LED packaging film layer and LED packaging structure |
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| CN1886841A (en) * | 2003-11-25 | 2006-12-27 | 松下电工株式会社 | Light emitting device using light emitting diode chip |
| CN201547559U (en) * | 2009-10-15 | 2010-08-11 | 宜兴市新得利电子有限公司 | High-power LED lamp |
| CN101826590A (en) * | 2010-04-20 | 2010-09-08 | 北京朗波尔光电股份有限公司 | LED lamp with lens injected with fluorescent glue and packaging method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7380962B2 (en) * | 2004-04-23 | 2008-06-03 | Light Prescriptions Innovators, Llc | Optical manifold for light-emitting diodes |
| US20100123386A1 (en) * | 2008-11-13 | 2010-05-20 | Maven Optronics Corp. | Phosphor-Coated Light Extraction Structures for Phosphor-Converted Light Emitting Devices |
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| CN1886841A (en) * | 2003-11-25 | 2006-12-27 | 松下电工株式会社 | Light emitting device using light emitting diode chip |
| CN201547559U (en) * | 2009-10-15 | 2010-08-11 | 宜兴市新得利电子有限公司 | High-power LED lamp |
| CN101826590A (en) * | 2010-04-20 | 2010-09-08 | 北京朗波尔光电股份有限公司 | LED lamp with lens injected with fluorescent glue and packaging method thereof |
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