CN108826030A - A kind of lighting of home bulb lamp - Google Patents
A kind of lighting of home bulb lamp Download PDFInfo
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- CN108826030A CN108826030A CN201810680581.6A CN201810680581A CN108826030A CN 108826030 A CN108826030 A CN 108826030A CN 201810680581 A CN201810680581 A CN 201810680581A CN 108826030 A CN108826030 A CN 108826030A
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- light
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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
- F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
- F21K9/232—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
-
- 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
- F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
- F21K9/64—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using wavelength conversion means distinct or spaced from the light-generating element, e.g. a remote phosphor layer
-
- 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
- F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
- F21K9/68—Details of reflectors forming part of the light source
-
- 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
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
-
- 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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
-
- 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
- F21Y2113/00—Combination of light sources
- F21Y2113/10—Combination of light sources of different colours
-
- 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
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The present invention is suitable for lighting technical field, provide a kind of lighting of home bulb lamp, including lamp stand, it is respectively arranged at the lamp cap at lamp stand both ends and lampshade, is set in lampshade and diffuse reflector that one end and lamp stand are detachably connected, and it is set to the lamp plate in lampshade, lamp plate includes the LED light source of substrate and multiple capable of emitting quasi- natural lights, substrate is connected to the one end of diffuse reflector far from lamp stand, the light of LED light source transmitting directive lampshade after diffuse reflector diffusing reflection；The relative spectral power of red light is greater than 0.60 in quasi- natural light, and the relative spectral power of cyan light is greater than 0.30 in quasi- natural light, and the relative spectral power of blue light is less than 0.75 in quasi- natural light；Blue light color ratio in quasi- natural light is less than 5.7%.Bulb lamp of the invention shines soft, the phenomenon that there is no dazzles, while the light-emitting surface of cover surface is uniform；The light that LED light source issues is more nearly natural light, illuminates compared to conventional white light, more conducively eyeshield, and visual effect is more comfortable.
Description
Technical field
The present invention relates to lighting technical field, in particular to a kind of lighting of home bulb lamp.
Background technique
As the high speed development and people of LED light source technology are to the health light overall performance such as quality, comfort level of light
It is required that constantly being promoted, various novel light sources and technology are continued to bring out, currently, LEDbulb lamp on the market, mostly using
Common LED light source, light makes one to feel unnatural uncomfortable, and blue light ratio is higher, especially colour temperature 5000K or more,
It is more prominent.High blue illumination is easy to cause that visual fatigue, eyes is dry and astringent, rate of myopia rises.Blue light, which is gone beyond the limit of, to be injured
Macula retinae area, it is also possible to will lead to visual fatigue and absent minded.Also, it is photochromic imperfect, for 10 years old or less
Children, be easy to cause anomalous trichromatism.In addition, LEDbulb lamp on the market the problems such as there is also dazzle and uneven light-emitting surfaces.
Summary of the invention
The purpose of the present invention is to provide a kind of lighting of home bulb lamps, it is intended to solve the hair of existing lighting of home bulb lamp
Light blue light is excessively high, comfort level is poor and there are dazzle and the non-uniform technical problems of light-emitting surface.
The invention is realized in this way a kind of lighting of home bulb lamp, including lamp stand, it is respectively arranged at the lamp stand both ends
Lamp cap and lampshade, be set in the lampshade and diffuse reflector that one end and the lamp stand are detachably connected, and be set to
Lamp plate in the lampshade, the lamp plate include the LED of substrate and the multiple capable of emitting quasi- natural lights being set on the substrate
Light source, the substrate are connected to the one end of the diffuse reflector far from the lamp stand, described in the light warp that the LED light source emits
Lampshade described in directive after diffuse reflector diffusing reflection；The relative spectral power of red light is described greater than 0.60 in the quasi- natural light
The relative spectral power of cyan light is greater than 0.30 in quasi- natural light, and the relative spectral power of blue light is less than in the quasi- natural light
0.75；Blue light color ratio in the quasi- natural light is less than 5.7%.
Further, the diffuse reflector is in horn-like, and the diffuse reflector is close to the end face of one end of the substrate
Diameter is less than it close to the end face diameter of one end of the lamp stand.
Further, the substrate is transparent substrate, and multiple LED light sources are evenly arranged in the substrate close to described
On the side of lamp stand.
Further, the diffuse reflector is provided with external screw thread close to the end of one end of the lamp stand, and the lamp stand leans on
One end of the nearly diffuse reflector is provided with and the matched internal screw thread of the external screw thread.
Further, the LED light source include base part, at least one set of luminescence component for being set on the base part,
And the circuit being electrically connected with the luminescence component；Luminescence component described in every group includes white-light emitting unit and red light-emitting list
Member, the white-light emitting unit include blue chip and the fluorescent film for covering the blue chip, the red light-emitting unit packet
Include red light chips；The white light of the white-light emitting unit transmitting is mixed with the feux rouges that the red light-emitting unit emits, described red
Light forms the quasi- natural light for compensating the red light portion that the white light is lacked relative to natural spectrum.
Further, the white-light emitting unit and red light-emitting unit pass through identical driving current unified driving.
Further, the blue chip and red light chips upside-down mounting are in the surface of the base part, the quasi- natural light LED
The length of light source is less than or equal to 6mm, and the width of the quasi- natural light LED light source is less than 3mm.
Further, the reference color temperature of the quasi- natural light is 2500-6500K；
When the colour temperature of the quasi- natural light is 2700K-3000K, the relative spectral power of 640-700nm feux rouges is greater than
0.70；
When the colour temperature of the quasi- natural light is 4000K-4200K, the relative spectral power of 640-700nm feux rouges is greater than
0.60；
When the colour temperature of the quasi- natural light is 5500K-6000K, the relative spectral power of 640-700nm feux rouges is greater than
0.50。
Further, the wave-length coverage of the blue chip is 457.5-480nm.
Further, the feux rouges relative spectral power of the quasi- a length of 680~690nm of natural light medium wave is greater than 0.80；Institute
The feux rouges relative spectral power for stating the quasi- a length of 640~680nm of natural light medium wave is greater than 0.60；The quasi- natural light medium wave is a length of
The feux rouges relative spectral power of 622~640nm is greater than 0.60.
Implement a kind of lighting of home bulb lamp of the invention, has the advantages that：
First, diffuse reflector is provided in lighting of home bulb lamp of the invention, the light of LED light source transmitting is through diffusing reflection
Directive lampshade after body reflection, so that bulb lamp shines soft, the phenomenon that there is no dazzles, while the light-emitting surface of cover surface is equal
It is even.
Second, the light that LED light source of the invention issues is more nearly natural light, illuminates compared to conventional white light, blue light is more
Low, visual experience is more comfortable, is conducive to protect eyesight, especially child and children's vision, also helps reduction due to blue light
Inferior health problem caused by excessively high.
Third improves green light relative spectral power while reducing blue light, solves long-term in the research of near-nature forest light
The relatively low problem of existing green light, so that quasi- natural light is more nearly true nature light, but also colour rendering index is further promoted,
And then improve chromatic discrimination power.
4th, the relative spectral power of feux rouges is improved, so that the spectrum of bulb lamp is more nearly natural light, 640-
700nm feux rouges has healthcare function, can promote blood circulation, and then promote the Health Category of bulb lamp.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to needed in the embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is the perspective view of the explosion of lighting of home bulb lamp provided in an embodiment of the present invention；
Fig. 2 is the main view of lighting of home bulb lamp provided in an embodiment of the present invention；
Fig. 3 is the cross-sectional view of lighting of home bulb lamp provided in an embodiment of the present invention；
Fig. 4 is the enlarged drawing of a-quadrant in Fig. 3；
Fig. 5 is the schematic perspective view of LED light source provided in an embodiment of the present invention；
Fig. 6 is the top view of LED light source provided in an embodiment of the present invention；
Fig. 7 is the cross-sectional view of LED light source provided in an embodiment of the present invention；
Fig. 8 is the bottom view of LED light source provided in an embodiment of the present invention；
Fig. 9 is the spectral schematic of quasi- natural light provided in an embodiment of the present invention；
Figure 10 is the spectrum test report figure of quasi- natural light shown in Fig. 9；
Figure 11 is the spectrum comparison diagram of quasi- natural light and natural light provided in an embodiment of the present invention；
Figure 12 is the spectrum comparison diagram of existing near-nature forest radiant and natural light；
Figure 13 is the spectrogram of white-light emitting unit provided in an embodiment of the present invention；
Figure 14 is the white-light spectrum figure provided in an embodiment of the present invention using 452.5-455nm blue chip；
Figure 15 is a kind of spectrogram of near-nature forest radiant in the prior art.
Label detail involved in above-mentioned attached drawing is as follows：
1- lamp stand；11- annular hook；12- internal screw thread；2- lamp cap；3- lampshade；31- annular groove；4- lamp plate；41- base
Plate；42-LED light source；5- diffuse reflector；51- external screw thread；6- power supply adaptor；7- cored screw；421- base part；4211- is anti-
Penetrate cup；4212- light-emitting surface；422- luminescence component；4221- white-light emitting unit；4222- red light-emitting unit；423- circuit；
The first pin of 424-；425- second pin.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
It should be noted that when component is referred to as " being fixed on " or " being set to " another component, it can directly or
It connects and is located on another component.When a component referred to as " is connected to " another component, it be can be directly or indirectly
It is connected on another component.Term " on ", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top",
The orientation or position of the instructions such as "bottom", "inner", "outside" are orientation based on the figure or position, are merely for convenience of describing,
It should not be understood as the limitation to the technical program.Term " first ", " second " are used merely to facilitate description purpose, and should not be understood as
Indication or suggestion relative importance or the quantity for implicitly indicating technical characteristic.The meaning of " plurality " is two or more,
Unless otherwise specifically defined.
As shown in Figure 1 to Figure 3, lighting of home bulb lamp provided in an embodiment of the present invention include lamp stand 1, lamp cap 2, lampshade 3,
Lamp plate 4 and diffuse reflector 5.Wherein, lamp cap 2 and lampshade 3 are respectively arranged at the end at the both ends of lamp stand 1, and lamp plate 4 is set to lampshade
In 3.Also, lamp plate 4 includes substrate 41 and the multiple LED light sources 42 being set on substrate 41.Diffuse reflector 5 is set to lampshade 3
Interior and one end is detachably connected with lamp stand 1, and substrate 41 is connected to the end of the one end of diffuse reflector 5 far from lamp stand 1.In the present invention
In embodiment, the light that LED light source 42 emits directive lampshade 3 after 5 diffusing reflection of diffuse reflector.
In addition, in embodiments of the present invention, the relative spectral parameter of quasi- natural light is as follows：The phase of red light in quasi- natural light
0.60 is greater than to spectral power, the relative spectral power of cyan light is greater than 0.30 in quasi- natural light, blue light in quasi- natural light
Relative spectral power is less than 0.75.Meanwhile the blue light color ratio in quasi- natural light is less than 5.7%.
The lighting of home bulb lamp of the embodiment of the present invention at least has the advantages that：
First, diffuse reflector 5, the light that LED light source 42 emits are provided in the lighting of home bulb lamp of the embodiment of the present invention
Line directive lampshade after the reflection of diffuse reflector 5, so that bulb lamp shines soft, the phenomenon that there is no dazzles, while lampshade table
The light-emitting surface in face is uniform.
Second, the light that LED light source 42 of the invention issues is more nearly natural light, illuminates compared to conventional white light, blue light
Lower, visual experience is more comfortable, is conducive to protect eyesight, especially child and children's vision, also helps reduction due to indigo plant
Inferior health problem caused by light is excessively high.
Third improves green light relative spectral power while reducing blue light, solves long-term in the research of near-nature forest light
The relatively low problem of existing green light, so that quasi- natural light is more nearly true nature light, but also colour rendering index is further promoted,
And then improve chromatic discrimination power.
4th, the relative spectral power of feux rouges is improved, so that the spectrum of bulb lamp is more nearly natural light, 640-
700nm feux rouges has healthcare function, can promote blood circulation, and then promote the Health Category of bulb lamp.
Further, in one embodiment of the invention, lampshade 3 is substantially in sphere shape, lamp stand 1 substantially in horn-like,
And lamp stand 1 is modeling alclad lamp stand, substantially in the shape of a spiral, and lamp cap 2 is sheathed on outside one end of lamp stand 1 lamp cap 2, lampshade 3, lamp stand 1
It is interior hollow structure with lamp cap 2.In the present embodiment, lampshade 3 and 1 snapping of lamp stand.Specifically, it in conjunction with Fig. 4, is leaned in lampshade 3
The end of one end of low beam bar 1 is provided with annular hook 11, lamp stand 1 close to the end of one end of lampshade 3 be provided with annular it is recessed
Slot 31, annular hook 11 are fastened on the connection that lamp stand 1 Yu lampshade 3 are realized in annular groove 31.It is understood that in this hair
In bright other embodiments, lamp stand 1 and lampshade 3 can also use other connection types.
Further, in one embodiment of the invention, lighting of home bulb lamp further includes screw, which is used for will
Substrate 41 is fixed on the end of diffuse reflector 5.Specifically, through-hole is offered in the central area of substrate 41, one end of screw is worn
It is fixed in diffuse reflector 5 after crossing the through-hole of substrate 41.
Preferably, in one embodiment of the invention, diffuse reflector 5 is substantially in horn-like, and surface has diffusing reflection
Effect.End face diameter of the diffuse reflector 5 close to one end of substrate 41 is less than it close to the end face diameter of one end of lamp stand 1.?
In the present embodiment, the direction of horn-like diffuse reflector 5 and the direction of horn-like lamp stand 1 are opposite.
Further, in one embodiment of the invention, diffuse reflector 5 is threaded togather with lamp stand 1.Specifically
Ground is provided with external screw thread 51 close to the end of one end of lamp stand 1 in diffuse reflector 5, correspondingly, in lamp stand 1 close to diffuse reflector 5
One end be provided with internal screw thread 12, the external screw thread 51 of the internal screw thread 12 and diffuse reflector 5 cooperates, so realize diffuse reflector 5 with
Lamp stand 1 is detachably connected.It is understood that in other embodiments of the invention, diffuse reflector 5 and lamp stand 1 can also be with
It is attached using other detachable connection methods.
Further, in one embodiment of the invention, aforesaid substrate 41 is transparent substrate 41, multiple LED light sources 42
Substrate 41 is evenly arranged on the side of lamp stand 1.In the present embodiment, multiple LED light sources 42 are with 41 central area of substrate
Through-hole centered on be evenly arranged on substrate 41.The some light that LED light source 42 issues is directed through substrate 41, then by lamp
Cover 3 bottom project, LED light source 42 issue other optics by 5 diffusing reflection of diffuse reflector after, then by lampshade 3 side project,
The light of lamps and lanterns is soft at this time, can avoid dazzle, while can realize the brightness uniformity of 3 surface light emitting of lampshade.
Further, in one embodiment of the invention, lighting of home bulb lamp further includes power supply adaptor 6.At this
In embodiment, power supply adaptor 6 is set in lamps and lanterns.Specifically, power supply adaptor 6 is set in lamp stand 1, with save space,
Simplify structure.Power supply adaptor 6 is connect by conducting wire with lamp cap 2 and substrate 41 respectively, wherein and above-mentioned screw is cored screw 7,
The conducting wire of 6 one end of power supply adaptor is pierced by by cored screw 7 after penetrating diffuse reflector 5 and is connect with substrate 41, and then realizes electricity
The electric connection of source adapter 6 and lamp plate 4.It is understood that in other embodiments of the invention, power supply adaptor 6
It can be set in outside lamps and lanterns.
Further, as shown in Fig. 5 to Fig. 8, in one embodiment of the invention, LED light source 32 includes base part
421, at least one set of luminescence component 422 and circuit 423.Wherein, at least one set of luminescence component 422 is set on base part 421, electricity
Road 423 and luminescence component 422 are electrically connected.Every group of luminescence component 422 includes white-light emitting unit 4221 and red light-emitting unit
4222, white-light emitting unit 4221 includes blue chip and the fluorescent film being covered on blue chip, red light-emitting unit 4222
Including red light chips.The white light that white-light emitting unit 4221 emits is mixed with the feux rouges that red light-emitting unit 4222 emits, feux rouges
The red light portion lacked for compensating white light relative to natural spectrum, forms quasi- natural light.Specifically, by fluorescent film by blue light
The monochromatic light that chip issues carries out wavelength convert, generates other coloured light, forms white light after a variety of Colored light mixings, the white light and feux rouges
Quasi- natural light is formed after mixing.Wherein, above has been given the relative spectral parameters of LED light source 42.
Specifically, as described above, the basic support construction of LED light source 42 is base part 421, the setting of luminescence component 422 exists
On base part 421, the quantity of luminescence component 422 is one group, two or more groups, and the structure and function of each luminescence component 422 is all
It is consistent.The present embodiment is preferably one group.Each group of luminescence component 422 all includes white-light emitting unit 4221 and red light-emitting
Unit 4222, that is, this light source, which issues quasi- natural light, to be realized by the mixing of white light and feux rouges.Wherein, feux rouges is for compensating
The part that white light is lacked relative to natural spectrum, and then form the quasi- natural light close to natural light.In the present embodiment, every group
Luminescence component 422 can issue quasi- natural light, therefore in the case where LED light source 42 contains multi-group light-emitting component 422, together
Sample can issue quasi- natural light.
The wave-length coverage of various coloured light is as follows in visible light：Red light (622~700nm), orange-colored light (597~622nm),
Sodium yellow (577~597nm), green light (492~577nm), cyan light (475~492nm), blue light (435~475nm),
Purple light (380~435nm).
As shown in Figure 9 and Figure 10, wherein respectively illustrating the spectrogram and spectrum test data of quasi- natural light, pass through the figure
As can be seen that the spectrum meets the spectrum parameter of above-mentioned feux rouges and blue light, in addition, the ratio of blue light is lowered, close to nature
Health is also helped while light.With reference to Figure 12, existing near-nature forest light spectrum and natural light spectrum still gap are larger, blue light
Ingredient is higher, while clearly disadvantageous in red light portion and the appearance of green light part.
In addition, in the art, according to the rule that a large amount of conventional white light illuminates, white light colour temperature is higher, and shortwave grows up to
The ratio divided is higher, and blue light is higher or even purple light is also higher, and high blue light harm health is the beyond all doubt fact, while high
Colour temperature is conducive to promote identification, promotes the bright sense of environment, the state of mind for promoting people is also generally acknowledged common sense, conventional lighting sources
The usually white light of the high blue light of high color temperature, it is inevitable both advantageous and disadvantageous, it is difficult to take into account the demand of various aspects.According to Fig.10, LED light
Source 42 still meets blue light relative spectral power less than 0.75 in the high color temperature of 4000K or more, is a kind of low indigo plant of high color temperature
Optical illumination can have the effect of simultaneously with eye health and the excitation state of mind.
In the present embodiment, standard is obtained certainly using the combined form of white-light emitting unit 4221 and red light-emitting unit 4222
Right light, simple for structure, variable controllability is good in debugging process, is achieved the debugging of quasi- natural light, solves multiple shine
The problem of body combination can not recall quasi- natural light, and quasi- natural light is obtained by supplementing red light-emitting unit 4222, it solves
The problem of quasi- natural light can not be obtained in such a way that blue chip and fluorescent glue combine.Also, 4221 He of white-light emitting unit
Red light-emitting unit 4222 can be using the miniature illuminator for meeting performance requirement, and the miniature lamp bead of light source generally one can be multiple
Lamp bead is arranged on 423 plate of circuit of various lamps and lanterns with arbitrary form, due to its compact, may be disposed at 423 plate of circuit
Any position, flexible in application, lamps and lanterns Integral luminous is uniform, good illumination effect.
In the present embodiment, the wave-length coverage of blue chip is 450-480nm；The wave-length coverage of red light chips is 640-
700nm.As shown in figure 9, the feux rouges relative spectral power that wavelength is 680~690nm is greater than 0.80；Wavelength is 622~680nm's
Feux rouges relative spectral power is greater than 0.60.Such as Figure 12 and Figure 15, traditional near-nature forest radiant can occur in the wave band after 640nm
The trend being decreased obviously.640-700nm feux rouges has excellent health care, physical therapy, beautification function.The light source is suitable for office, family
It occupies illumination and needs high proportion feux rouges and the Code in Hazardous Special Locations close to natural lighting.
Preferably, the wave-length coverage of blue chip is 457.5-480nm, at least 457.5-460nm.It selects
457.5nm-480nm blue chip so that the relative spectral power of green light is obviously improved.Aobvious finger R12 is promoted simultaneously.Such as
Shown in Figure 15, the green light relative spectral power in traditional near-nature forest light is lower than 0.3, as shown in Figure 9 and Figure 10, in the present embodiment
Green light relative spectral power reaches 0.4 or more.
It show the spectrum of white-light emitting unit 4221 in the present embodiment with reference to Figure 13 and Figure 14, Figure 13, uses
457.5nm-460nm blue chip when, green light relative spectral power has reached 0.5 or more.452.5- is used in Figure 14
When 455nm blue chip, green light relative spectral is only between 0.35-0.38.
Fluorescent film includes colloid and the fluorescent powder that is mixed in inside colloid, and fluorescent powder includes rouge and powder, green powder and yellowish green powder；It is red
The chromaticity coordinates of powder is X：0.660~0.716, Y：0.340~0.286；The chromaticity coordinates of green powder is X：0.064~0.081, Y：
0.488~0.507；The chromaticity coordinates of yellowish green powder is X：0.367~0.424, Y：0.571~0.545；Rouge and powder, green powder and yellowish green powder
Weight ratio be：Rouge and powder：Green powder：Yellowish green powder=(0.010~0.035):(0.018~0.068):(0.071~0.253)；It is glimmering
The concentration of light film is 17%~43%.The partial size of rouge and powder, green powder and yellowish green powder is respectively less than 15 μm, preferably 13 ± 2 μm.
By selecting above-mentioned blue chip and fluorescent film, white light can be obtained, spectrum is as shown in figure 15.It has as follows
Optical parameter：When colour temperature is 2700K-3000K, the relative spectral power of 480-500nm wave band is greater than 0.30；500-640nm wave
The relative spectral power of section is greater than 0.70；When colour temperature is 4000K-4200K, the relative spectral power of 480-500nm wave band is greater than
0.45；The relative spectral power of 500-640nm wave band is greater than 0.65；When colour temperature is 5500K-6000K, 480-500nm wave band
Relative spectral power is greater than 0.4；The relative spectral power of 500-640nm wave band is greater than 0.60.This white-light emitting unit 4221
It is combined with above-mentioned red light-emitting unit 4222, available LED light source 42 can issue quasi- natural light.
Further, with reference to Figure 11 and Figure 12, the spectrum of LED light source 42 is also extremely similar with natural light in its all band,
And existing near-nature forest radiant is then difficult to realize.As shown in Figure 9 and Figure 10, the relative spectral power of orange-colored light is big in quasi- natural light
In 0.55；The relative spectral power of sodium yellow is greater than 0.50；The relative spectral power of green light is greater than 0.35；Cyan light it is opposite
Spectral power is greater than 0.30；The relative spectral power of purple light is close with natural light less than 0.10.
In addition, LED light source 42 while each band spectrum more optimizes, is also required with stringent optical parameter, such as
Colour temperature, color tolerance, colour rendering index Ra, colour rendering index R9, colour rendering index R12 and blue light color ratio etc..Specifically, quasi- natural light
Colour temperature include 2500K-6500K, color tolerance is less than 5, and blue light color ratio is less than 5.7%.It is aobvious to refer to that Ra is greater than 95, wherein R9's is aobvious
Refer to that the aobvious finger greater than 90, R12 is greater than 80.It can determine that LED light source 32 can satisfy above-mentioned requirements, and LED light according to Figure 12
The blue light color ratio in source 32 can be reduced to 5.5% hereinafter, colour rendering index Ra is increased to 97 or more, colour rendering index R9 reach 95 with
On, colour rendering index R12 has reached 83, and in other test report, colour rendering index R12 can achieve 87.
Further, the blue light of 440nm is maximum to the injury of eyesight in blue light, as further prioritization scheme, this reality
Example is applied also using the relative spectral power of 440nm blue light as optical parameter to be detected.The case where blue light color ratio is lower than 5.7%
Under, the relative spectral power of 440nm blue light is lower than 0.65.This is that existing eyeshield electronic equipment is difficult to realize.Existing " shield
Eye " electronic product, blue light color ratio is although lower, but wherein injures the inhibition of maximum 440nm blue light and unknown to human eye
Aobvious, eye-protecting function is very little.And other wavelength band components in blue light are necessary visual acuity, significantly inhibit blue light not
Only eyeshield effect is unobvious, can also cause adverse effect to the visual acuity of the crowds such as children, child, such as due to blue light ingredient
Excessive missing, lead to anomalous trichromatism, the problems such as chromatic discrimination power declines.The present embodiment blue light color ratio is reduced to it is 5.7% below
On the basis of, emphasis inhibits the intensity of 440nm blue light, can really play the role of protecting eyesight.
The present invention is to carry out a large amount of pilot scale study using above-mentioned optical parameter and spectrum as target, final to determine using above-mentioned
White-light emitting unit 4221 and red light-emitting unit 4222, and the luminous flux and feux rouges of white-light emitting unit 4221 has been determined
The ratio between the light radiation of luminescence unit 4222 chooses appropriate size sum number based on the determining corresponding electrical parameter of the ratio and experiment
The illuminator of amount makes above-mentioned light source.
It is preferred that miniature white-light emitting unit 4221 and red light-emitting unit 4222 are used, it is empty according to light flux ratio and installation
Between size selection small dimension and the higher blue chip of cost performance and red light chips, preferential selection red light-emitting list few as far as possible
Member 4222 and white-light emitting unit 4221, are fabricated to single light source, and one group of luminescence component 422 is arranged in a light source.Due to the light
Source can directly issue quasi- natural light, and then can be used in various lamps and lanterns, any combination, can guarantee its effect that preferably shines
Fruit, it is adaptable.It is of course also possible to which multi-group light-emitting component 422 is integrated in a light source, still can guarantee preferably to go out at this time
Light effect, only size increases.
Specifically, the ratio between light radiation of the luminous flux of the white-light emitting unit 4221 and red light-emitting unit 4222 is 2-
10:1, preferably 2-3:1.Under different colour temperatures, which slightly floats.In one embodiment, white-light emitting unit
4221 quantity and the quantity ratio of red light-emitting unit 4222 are 1-8:1, further preferably 1-4：1.Practical red light-emitting list
The light radiation of member 4222 is 80-160mW, and the total light flux of white-light emitting unit 4221 is 200-350lm.
In one embodiment of the invention, there are four white-light emitting units 4221, red light-emitting unit 4222 has one,
Four white-light emitting units 4221 are set to around red light-emitting unit 4222 and are uniformly distributed.
In another embodiment of the present invention, there are two white-light emitting units 4221, red light-emitting unit 4222 has one
A, two white-light emitting units 4221 are symmetrically disposed on the two sides of red light-emitting unit 4222.
About the mounting means of chip, preferably by blue chip and red light chips upside-down mounting in the surface of base part 421, upside-down mounting
Chip is conducive to effectively connect with the circuit 423 on base part 421, is conducive to high efficiency and heat radiation, can be by equipment on chip
Unified film forming, guarantees that the fluorescent film consistency of different product is good, and then can cause unanimously to avoid the dispensing process of formal dress chip
Property difference problem, meanwhile, so that different product when colour temperature is identical be in same BIN, colour temperature consistency is good.
In addition, flip-chip but also the volume of white-light emitting unit 4221 further decreases, is conducive to dimension of light source control
System.In the present embodiment, the width of white-light emitting unit 4221 is less than 0.8mm, is highly less than 0.3mm, red light-emitting unit
4222 can be controlled in same range.Adjacent white-light emitting unit 4221 and 4222 spacing of red light-emitting unit is 1mm or less.
The length of this light source is less than or equal to 6mm, and width is less than 3mm.
Certainly, the present invention is not limited to using flip-chip, is also feasible using positive cartridge chip.
In one embodiment of the invention, base part 421 is preferably the lamellar structure of nonmetallic materials production, base part
421 are equipped with reflector 4211, and white-light emitting unit 4221, red light-emitting unit 4222 are set in reflector 4211, circuit
423 are formed in the surface of base part 421, and are wrapped in the tow sides of base part 421, and are formed and drawn except reflector 4211
Foot, the bottom exposed portion circuit 423 of reflector 4211, for connecting with white-light emitting unit 4221 and red light-emitting unit 4222
It connects.
Further, the inner wall of reflector 4211 is equipped with reflective surface 4212, is also filled with encapsulation inside reflector 4211
Colloid (not shown), reflective surface 4212 is for reflecting white light and feux rouges, and packing colloid is for protecting in reflector 4211
Portion's structure and keep light-source structure more stable, and refraction adjustment is carried out to light.White light and feux rouges be sufficiently mixed after by encapsulation
Colloid output.Specifically, the light emitting angle of white-light emitting unit 4221 and red light-emitting unit 4222 can be for 160 ° or so extremely
180 °, the light-emitting angle of light source is 120 ° or so.Entire light source is the quasi- natural light lamp bead of small-sized uniformly light-emitting.
In the present embodiment, circuit 423 has several groups positive and negative anodes pin, can the corresponding one group of positive and negative anodes of each illuminator
Pin or the corresponding one group of positive and negative anodes pin of several illuminators.In driving method, there are two types of embodiments, first, white light is sent out
Light unit 4221 and red light-emitting unit 4222 are separately connected different positive and negative anodes pins, are operated alone, at this time respective driving
Electric current is different, and control chip can be cooperated to be controlled.Second, white-light emitting unit 4221 and red light-emitting unit 4222 are gone here and there
Connection, that is, connect identical positive and negative anodes pin, and unified same current driving is not required to control chip and is controlled.
With reference to Fig. 5 and Fig. 6, two white-light emitting units 4221 and a red light-emitting unit 4222 are connected, two white lights
Luminescence unit 4221 is separately connected first pin 424, and 424 self-reflection cup of the first pin, 4211 bottom is stretched out, for connecting
External power supply.Red light-emitting unit 4222 is series between two white-light emitting units 4221.
Further, which is also provided with second pin 425, which is not used in connection external power supply,
But be used to radiate, and promote the symmetry of light source entirety, the stability for promoting intensity and being installed on 423 plate of circuit.
In above-described embodiment, obviously there is apparent advantage by the way of unified driving, does not need for different hairs
Body of light configures different driving currents, does not need to increase control circuit, it is only necessary to power according to its corresponding electric current.Cause
This, more simplified in structure, volume further decreases, and application is easier flexibly, and cost is lower.This is currently preferred
Circuit connection scheme.
Hereinafter, the LED light source 42 of the brief description embodiment of the present invention is directed to the optimization process of identical driving current, it is specific
Include the following steps：
Step S101 chooses the first illuminator, and first illuminator is for issuing white light；
Step S102 optimizes the spatial distribution of the first illuminator, white light is optimized for the first near-nature forest light；
Step S103 determines described first according to the spatial distribution of the first near-nature forest light and the spatial distribution of natural light
The wave band to be optimized of near-nature forest light；
Step S104, according to second illuminator of waveband selection to be optimized；
Step S105 determines the initial luminous flux ratio of the first illuminator and the second illuminator；
Step S106 optimizes the first illuminator and the by adjusting the spatial distribution of the first illuminator and the second illuminator
The combination spectrum of two illuminators, obtains quasi- natural light and the driving current of first illuminator and the second illuminator is identical or two
The difference of person is within a predetermined range；Wherein, the adjusting of the spatial distribution of the first illuminator and the second illuminator is included at least to drive
The adjusting of streaming current.
In first five step of optimization process, firstly, choosing white-light emitting unit as the first illuminator, with white light hair
For light unit as host emitter, the wave-length coverage that host emitter is included is larger, includes at least 400-640nm wave band.By white light
It is optimized for the first near-nature forest light, so that the white light as close as natural light, in optimization process, makes the relative spectral of white light
Power improves as far as possible, in this way, it is more simple to select the type of subsequent second illuminator, and is conducive to two illuminators
The optimization of combination spectrum, the first near-nature forest light that the white-light emitting unit after optimization generates have previously described feature.
With reference to the first near-nature forest light spectrum, it can determine and require supplementation with 640-700nm feux rouges.Selection glows in turn
Second illuminator, one side is used for and the combination of the first illuminator, obtains the illuminating ray for being more nearly natural light；Another party
Face can lower blue light by supplementing feux rouges.
Further, according to the curve of spectrum of the first near-nature forest light, and by a large amount of combination spectrum pilot scale studies, determining should
The central wavelength selection of second illuminator is preferably 690 ± 5nm, it is therefore intended that and can be use up after the combination of the first near-nature forest light spectrum
Spectrum of the possible relative spectral power for making 640-700nm feux rouges close to natural light.
In step s105, it after determining the first illuminator and the second illuminator, can be selected according to the spectrum of two illuminators
Reasonable light flux ratio, i.e. the ratio between the luminous flux of the first illuminator and the light radiation of the second illuminator are selected, referred to herein as " just
Beginning light flux ratio " can primarily determine that this is first according to the wave-length coverage and spectral signature of above-mentioned first near-nature forest light and feux rouges
Beginning, light flux ratio was in 2-10:It is feasible in the range of 1.Further, it may further determine that the initial light is logical by experiment
Ratio is measured in 2-5:In the range of 1, then according to preset initial luminous flux than lighting the first illuminator of respective numbers and corresponding
Second illuminator of quantity, optimizes the process of combination spectrum.
In step s 106, quasi- natural light is not only obtained, also to meet that driving current is consistent, or in the small model of permission
Slightly has difference in enclosing, so that not will lead to the obvious change of spectrum and optical parameter in actual work, when driving using same current
Change.
Specifically, step S106 includes following sub-steps：
S11：The driving current of the first illuminator and the second illuminator is adjusted, and monitors combination spectrum in real time, when a group light combination
When the relative spectral power of spectrum reaches preset range, step S12 is carried out, step S11 is otherwise repeated；
S12：The optical parameter of detection combination spectrum carries out step S13, otherwise when optical parameter reaches preset range
Come back for step S11；
S13：The driving current for adjusting the first illuminator and/or the second illuminator makes two driving currents reach unanimity；
S14：According to the variation of the relative spectral power of combination spectrum, the luminous flux and/or second of the first illuminator is adjusted
The light radiation of illuminator, and monitor combination spectrum in real time, when the relative spectral power of combination spectrum meets preset range, into
Otherwise row step S15 carries out step S11；
S15：The optical parameter of detection combination spectrum, when optical parameter reaches preset range, confirmation obtains quasi- natural light,
Step S16 is carried out, step S11 is otherwise carried out；
S16：Record the practical driving current of the first illuminator and the second illuminator, the luminous flux and second of the first illuminator
The optical parameter of the actual ratio of the light radiation of illuminator and quasi- natural light.
Above step discloses the specific implementation process of step S106, firstly, lighting respective counts according to initial luminous flux ratio
The first illuminator and the second illuminator of amount adjust the luminous flux and the second hair of the first illuminator by adjusting driving current respectively
The light radiation of body of light, combination spectrum can change at this time, and after debugging several times, the shape of combination spectrum is (i.e. each
The relative spectral power of wave band) it is close in allowed band with natural light, confirm that spectrum is met the requirements at this time.
On this basis, optical parameter is checked, if optical parameter meets preset range, it is determined that obtain quasi- natural
Light adjusts driving current if optical parameter is unsatisfactory for preset range repeatedly, meets the requirements optical parameter.
After spectrum and optical parameter meet the requirements, driving current is usually inconsistent at this time, in order to realize unified drive
It is dynamic, subsequent adjustment need to be carried out, which is very long and complicated.Step S13 is carried out first：Adjust the first illuminator
And/or second illuminator driving current, so that two driving currents is reached unanimity；When electric current is consistent, combination spectrum necessarily occurs
Variation.In turn, step S14 is carried out：According to the variation of the relative spectral power of combination spectrum, the first illuminator is further adjusted
The light radiation of luminous flux and the second illuminator, and monitor combination spectrum in real time, the object adjusted in this step be luminous flux or
Person's light radiation, when the relative spectral power of combination spectrum meets preset range, the optical parameter of detection combination spectrum works as light
When parameter reaches preset range, confirmation obtains quasi- natural light.This is ideal situation.
However, relative spectral power is difficult to meet preset range, and optical parameter is also easy to appear wave after adjustment luminous flux
It is dynamic.Therefore, it is also desirable to repeat step S11 to S15, driving current (being at this time fine tuning) is readjusted, light relatively is made
Spectral power and Optical Parametric meet preset range.Since during repeating step S11-S15, debugging will do it and will drive every time
Streaming current is adjusted to consistent step, and therefore, in multiple adjustment, electric current will gradually reach unanimity, to luminous flux and electric current
Adjustment amplitude will be gradually reduced, and will eventually get the quasi- natural light for obtaining and meeting the requirements under driving current unanimous circumstances.
Further, in the optimization process of combination spectrum, it is understood that there may be following situation：By relatively repeatedly adjusting driving electricity
Stream, still cannot be such that spectrum or optical parameter meets the requirements, at this point, carrying out step S10：
The formula and/or concentration and/or thickness of adjustment fluorescent film, then carry out step S11 again；
Alternatively,
The central wavelength of the second illuminator is adjusted, step S11 is then carried out；
Alternatively,
Increase the third illuminator that central wavelength is different from the second illuminator central wavelength, then carries out step S11.
According to the basic research of early period, what the relationship and feux rouges and spectrum of available fluorescent film and spectrum optimization optimized
Relationship can choose suitable mode adjusting and optimizing scheme under corresponding theoretical direction.
In actual optimization process, it is related to the adjustment of fluorescent film, the adjustment of red light-emitting unit 4222 and repeatedly
The adjustment of multiple driving current and luminous flux, could obtain final result.
Finally, needing to record relevant parameter after debugging, which is used to provide for the manufacturing of light source necessary
Information.
By above-mentioned optimization process, it is determined that above-mentioned white-light emitting unit 4221 and red light-emitting unit 4222, and it is white
The actual ratio of the light radiation of the luminous flux and red light-emitting unit 4222 of light luminescence unit 4221 is 2-3:1, electric current 20-
Between 100mA, preferably 60mA.It is preferred that 1-4 white-light emitting unit 4221 and 1-2 red light-emitting unit 4222 are in series
One light source, the power of single light source are 0.5W or so.In the case that colour temperature is different, real data is slightly different.It can basis
It needs to be determined that the corresponding data of several colour temperatures, manufactures corresponding product.
Current near-nature forest light LED light source, spectrum and optical parameter have been not easy close to natural light, and use identical electricity
Stream driving is even more extremely difficult.Different chip portfolios together, to obtain certain light, need to adjust electric current to reach default
Requirement, the driving current of several chips is usually different, if unified driving, spectral shape, optical parameter meet the requirements, seeks
The equalization point of the type and luminous flux and electric current of looking for white light and feux rouges is the largest technical difficulty, and the present embodiment solves the field
Inside technical problem for a long time.It is embodied on light source product, i.e., above-mentioned luminescence component is cooperated by the driving of simple bipod
Arrangement, can emit quasi- natural light, quality of lighting and applicability are able to significant increase.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of lighting of home bulb lamp, which is characterized in that including lamp stand, be respectively arranged at the lamp cap and lamp at the lamp stand both ends
It covers, be set in the lampshade and diffuse reflector that one end and the lamp stand are detachably connected, and be set in the lampshade
Lamp plate, the lamp plate includes the LED light source of substrate and the multiple capable of emitting quasi- natural lights being set on the substrate, the base
Plate is connected to the one end of the diffuse reflector far from the lamp stand, and the light of the LED light source transmitting is unrestrained through the diffuse reflector
Lampshade described in directive after reflection；The relative spectral power of red light is greater than 0.60 in the quasi- natural light, in the quasi- natural light
The relative spectral power of cyan light is greater than 0.30, and the relative spectral power of blue light is less than 0.75 in the quasi- natural light；It is described
Blue light color ratio in quasi- natural light is less than 5.7%.
2. lighting of home bulb lamp as described in claim 1, which is characterized in that the diffuse reflector is in horn-like and described
End face diameter of the diffuse reflector close to one end of the substrate is less than it close to the end face diameter of one end of the lamp stand.
3. lighting of home bulb lamp as described in claim 1, which is characterized in that the substrate is transparent substrate, multiple described
LED light source is evenly arranged in the substrate on the side of the lamp stand.
4. lighting of home bulb lamp as described in claim 1, which is characterized in that the diffuse reflector close to the lamp stand one
The end at end is provided with external screw thread, and the lamp stand is provided with matched interior with the external screw thread close to one end of the diffuse reflector
Screw thread.
5. lighting of home bulb lamp according to any one of claims 1-4, which is characterized in that the LED light source includes substrate
Part, at least one set of luminescence component being set on the base part, and the circuit being electrically connected with the luminescence component；Every group of institute
Stating luminescence component includes white-light emitting unit and red light-emitting unit, and the white-light emitting unit includes blue chip and covering institute
The fluorescent film of blue chip is stated, the red light-emitting unit includes red light chips；The white light of white-light emitting unit transmitting with
The feux rouges mixing of red light-emitting unit transmitting, the feux rouges for compensate the white light lacked relative to natural spectrum it is red
Light part forms the quasi- natural light.
6. lighting of home bulb lamp as claimed in claim 5, which is characterized in that the white-light emitting unit and red light-emitting list
Member passes through identical driving current unified driving.
7. lighting of home bulb lamp as claimed in claim 5, which is characterized in that the blue chip and red light chips upside-down mounting in
The length on the surface of the base part, the quasi- natural light LED light source is less than or equal to 6mm, the quasi- natural light LED light source
Width is less than 3mm.
8. lighting of home bulb lamp as claimed in claim 5, which is characterized in that the reference color temperature of the quasi- natural light is
2500-6500K；
When the colour temperature of the quasi- natural light is 2700K-3000K, the relative spectral power of 640-700nm feux rouges is greater than 0.70；
When the colour temperature of the quasi- natural light is 4000K-4200K, the relative spectral power of 640-700nm feux rouges is greater than 0.60；
When the colour temperature of the quasi- natural light is 5500K-6000K, the relative spectral power of 640-700nm feux rouges is greater than 0.50.
9. lighting of home bulb lamp as claimed in claim 5, which is characterized in that the wave-length coverage of the blue chip is
457.5-480nm。
10. lighting of home bulb lamp as claimed in claim 5, which is characterized in that
The feux rouges relative spectral power of the quasi- a length of 680~690nm of natural light medium wave is greater than 0.80；
The feux rouges relative spectral power of the quasi- a length of 640~680nm of natural light medium wave is greater than 0.60；
The feux rouges relative spectral power of the quasi- a length of 622~640nm of natural light medium wave is greater than 0.60.
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| CN201810680581.6A CN108826030A (en) | 2018-06-27 | 2018-06-27 | A kind of lighting of home bulb lamp |
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| CN201810680581.6A CN108826030A (en) | 2018-06-27 | 2018-06-27 | A kind of lighting of home bulb lamp |
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Cited By (1)
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|---|---|---|---|---|
| CN113375074A (en) * | 2020-02-25 | 2021-09-10 | 矢崎总业株式会社 | Lighting device |
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Application publication date: 20181116 |