CN104373841B - A kind of LED light device - Google Patents
A kind of LED light device Download PDFInfo
- Publication number
- CN104373841B CN104373841B CN201410605717.9A CN201410605717A CN104373841B CN 104373841 B CN104373841 B CN 104373841B CN 201410605717 A CN201410605717 A CN 201410605717A CN 104373841 B CN104373841 B CN 104373841B
- Authority
- CN
- China
- Prior art keywords
- led light
- diffuser
- light device
- led
- color temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
-
- 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
- F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
- F21V14/08—Controlling the distribution of the light emitted by adjustment of elements by movement of the screens or filters
-
- 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
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
- F21V9/40—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters with provision for controlling spectral properties, e.g. colour, or intensity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2101/00—Point-like light sources
Abstract
The present invention relates to a kind of LED light device, including: pedestal；LED lamp panel, is fixedly installed on pedestal；One or more LED light sources, it is arranged in described LED lamp panel to form light-emitting zone；Diffuser, is arranged on the top of described LED lamp panel non-contactly；Described LED light device also includes: diffuser support, and it is fixedly installed on described pedestal, and described diffuser is movably arranged on described diffuser support；Knob, its one end is provided with gear, and this gear is arranged between described diffuser and described diffuser support.
Description
The present invention be original applying number be 201210586728.8, original application day be December in 2012 30 days,
The divisional application of the LED light device of former invention entitled adjustable color temperature.
Technical field
The present invention relates to field of LED illumination, particularly relate to a kind of LED light device.
Background technology
Along with living standard constantly improves, people have been no longer satisfied with single lighting system, lighting colour
Abundant and innervation the most progressively pursued by people.The light source of different-colour can build different luminous environments
Effect and photochromic, thus give people with different mental impressions.By substantial amounts of comparative study, low colour temperature is given
A kind of warmth of people, comfortable, classical sensation, be relatively suitable for the one side of perception, such as chat etc.；Middle colour temperature
To people is a kind of clear, sensation of fashion salubrious, sharp, is suitable for reading, dining etc.；High color temperature to people is
A kind of serious sensation pure, pure and fresh, lucid and lively, the suitableeest rational one side, such as work, manage house
Business etc..
The colour temperature of conventional incandescent or electricity-saving lamp is all fixing, and the colour temperature of usual electric filament lamp is all fixed on
About 2700K, electricity-saving lamp colour temperature is relatively enriched, such as, have 3000K, 4000K, 6400K etc.
Fixed value.But, the colour temperature of these conventional light source is all fixed value, just cannot regulate once manufacture molding and change
Become, typically can only be dimmed by brightness regulation, and cannot accomplish as required flexible colour temperature and
The change of color.
Currently, LED light source is used widely due to the advantage of its energy-conserving and environment-protective.In addition, LED light
The sharpest edges in source are can Based Intelligent Control.Such as, compared with conventional light source, LED light source can either be adjusted
Joint brightness, additionally it is possible to realize the regulation of colour temperature and color.
But, there is number of drawbacks in the LED light source equipment of prior art, is most commonly that light colour temperature and color
Coloured silk can not realize being automatically adjusted, and needs artificial replacing, wastes time and energy.Or although basic realization is automatically adjusted,
But adjustment structure is extremely complex, complex manufacturing, material and processing cost are high, are easily caused light source and set
Standby fault rate is high, and quality is unstable.
Accordingly, it would be desirable to the colour temperature of existing LED light source and the regulatory mechanism of color are improved, it is provided that one
Plant the LED light source that can be automatically adjusted colour temperature and color, there is simple adjustment structure, it is easy to manufacture and use,
And be easy to user and regulate colour temperature and the color that light source emits beam the most easily.
Summary of the invention
It is an object of the invention to provide a kind of LED light device so that user can regulate LED easily and shine
The colour temperature that bright device emits beam, obtains the illuminating effect needed.
According to an aspect of the invention, it is provided a kind of LED light device, including: pedestal；LED
Plate, is fixedly installed on pedestal；One or more LED light sources, its be arranged in described LED lamp panel with
Form light-emitting zone；Diffuser, is arranged on the top of described LED lamp panel non-contactly, is used for regulating described
The colour temperature of the light that LED light source sends；Diffuser support, it is fixedly installed on described pedestal, described
Diffuser is movably arranged on described diffuser support；Knob, its one end is provided with gear, this gear
It is arranged between described diffuser and described diffuser support, wherein, described diffuser and described diffuser
Support at the engaging tooth being both provided with engaging with described gear with the position of described Gear Contact so that described
The rotation of knob can drive described diffuser to move linearly relative to described LED lamp panel.
Preferably, described diffuser support includes the draw-in groove installing described diffuser for activity.
Preferably, described LED lamp panel is provided with lighttight being in the light around the one or more LED light source
Wall, is used for limiting described light-emitting zone.
Preferably, described diffuser is provided with two or more color temperature regions, for realize at least two kinds with
On color temperature value regulation.
Preferably, on diffuser, girth along each described color temperature regions is provided with lighttight shading limit.
Preferably, adjacent described color temperature regions is provided for obtaining the fluorescent material of different-colour value.
Preferably, each described color temperature regions is formed as covering corresponding light-emitting zone.
Preferably, the shape of each described color temperature regions is substantially matching or identical with the shape of described light-emitting zone.
Preferably, the plurality of color temperature regions is formed as being longitudinally continuous distribution and having same shape along diffuser
Rectangular area.
Preferably, the height of wall of being in the light described in be formed so that described in the wall that is in the light fit to the shading of described diffuser
Limit.
Preferably, described LED light source is HONGGUANG, blue and green light, purple light or white LED light source.
As it has been described above, the LED light device of the present invention is by fixing LED light source, then by relative to
The position of LED light source rectilinear movement diffuser so that same light source is through the diffuser in different-colour region
And realize the change of colour temperature, thus to realize arbitrarily regulating the function of colour temperature.
By implementing the present invention, so that user is without just can be very convenient in the case of dismantling light fixture
Realize the conversion between functional lighting and sight illumination, meet psychological in people's productive life and physiological photograph
Bright demand.
It addition, the LED light device of the present invention is simple and reliable for structure, easy to use, have production cost low,
The advantage that reliability is high.
Accompanying drawing explanation
Fig. 1 shows a kind of colour temperature adjustment structure of LED light device in prior art；
Fig. 2 shows the another kind of colour temperature adjustment structure of LED light device in prior art；
Fig. 3 shows the colour temperature adjustment structure of LED light device of the present invention；
Fig. 4 shows the three-dimensional cutaway view of the colour temperature adjustment structure of LED light device of the present invention；
Fig. 5 shows the structural representation of the LED lamp panel of LED light device of the present invention；And
Fig. 6 shows the structural representation of the diffuser of LED light device of the present invention.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention of greater clarity, below in conjunction with specific embodiment party
Formula referring to the drawings, the present invention is described in more detail.It should be understood that these describe the most exemplary,
And it is not intended to limit the scope of the present invention.
Structural representation according to embodiments of the present invention shown in the drawings.These figures are not to paint in proportion
System, the most for purposes of clarity, it is exaggerated some details, and some details may be eliminated.Figure
Shown in various regions, component shape and the relative size between them, position relationship be only example
Property, reality is likely to be due to manufacturing tolerance or technical limitations and deviation, and those skilled in the art
According to actually required can additionally design, there are the region/parts of difformity, size, relative position.
Fig. 1 shows a kind of colour temperature adjustment structure of LED light device in prior art.
In the colour temperature adjustment structure of the prior art shown in Fig. 1, main employing circuit control and regulation colour temperature
Scheme.
As it is shown in figure 1, LED light device includes LED light source 500, drive circuit 400, diffuser
600 and heat sink assembly 100,200 and 300.Wherein, LED light source 500 is by two kinds of different-colours
Light source composition, be connected respectively to different drive circuits 400.Drive circuit 400 is electrically connected to LED light
Source 500, is used for driving LED light source 500 luminous.Diffuser 600 is arranged on sending out of LED light source 500
On light route, it is used for making uniform light dissipate.Heat sink assembly includes fin 100, heat pipe 200 and
Absorber plate 300, for absorbing the heat of the generation of LED light source 500, and by fin 100, heat conduction
Pipe 200 distributes heat in air.
It is provided with two set drive circuits 400 in the structure shown here, for respectively to LED cold light source and LED warm light
Source powers, and controls often to organize the driving size of current of light source by circuit, thus controls often to organize the strong of light source igniting
Degree, produces the combined light source of different-colour, it is achieved the purpose of colour temperature regulation.
This structure actually uses the two independent light source of set and drives system, the consumptions of LED light source
It it is the twice of non-dimming arrangement.In production practices, between multiple LED light sources of different-colour being pressed necessarily
Away from highdensity staggered, the LED light source of half is had not do work or do work the most completely at work,
Cause the wasting of resources.It addition, this resolution circuitry design complexity, complex production process, material and being processed into
This height.Further, dead lamp situation once occurs, it may appear that the phenomenon that whole group of light source does not works, thus cause colour temperature
Uneven problem.
Fig. 2 shows the another kind of colour temperature adjustment structure of LED light device in prior art.
In the colour temperature adjustment structure shown in Fig. 2, mainly include LED light source 10 and light transmission piece 20.This is saturating
Being coated with colour temperature transition material on mating plate 20, it is arranged on the light emission direction of LED light source 10 so that
The light that LED light source 10 sends is through light transmission piece 20 and produces colour temperature change, thus reaches light regulating color
The purpose of temperature.
In such an embodiment, multiple diffuser with different-colour fluorescent material is generally set in illuminator,
The regulation of colour temperature is realized by the different diffuser of artificial replacing.Although this scheme cost is relatively low, but
Actual application needs to prepare the fluorescent material lampshade of various different-colour, for lampshade itself application certainly than
Cumbersome.And in actual illumination place, because safety and the problem of the instrument of replacing, do not allow consumer
Carry out on-the-spot replacing.Simultaneously as consider the convertibility of lampshade, fitting structure design will necessarily consider removable
Unloading property, thus have influence on the barrier propterty of light fixture.
Fig. 3 shows the colour temperature adjustment structure of LED light device of the present invention.Fig. 4 shows LED of the present invention
The three-dimensional cutaway view of the colour temperature adjustment structure of illuminator.
As shown in figure 3 or 4, the LED light device of the present invention includes pedestal 1, LED lamp panel 2,
Or the parts such as multiple LED light source 3, diffuser 4, diffuser support 5, knob 6.
Pedestal 1 is for carrying the miscellaneous part of illuminator.In embodiments of the invention, pedestal 1 is excellent
Selection of land is fixed in the shell (not shown) of illuminator, and is provided with installation structure on the back side of pedestal 1
Part, for being connected to outside installation site by illuminator.
LED lamp panel 2 is fixedly installed on pedestal 1, is provided with for forming light-emitting zone
Or multiple LED light source 3.Diffuser 4 is arranged on the top of described LED lamp panel 2 non-contactly, is used for adjusting
Save the colour temperature of the light that described LED light source 3 sends.Diffuser support 5 is fixedly installed on described pedestal 1
On, described diffuser support 5 each side include a draw-in groove 8,8 ', thus by described diffuser
4 are movably mounted on described diffuser support 5.In the present invention, diffuser support 5 has and is adapted to
The shape of diffuser 4, for example, rectangle.
One end of knob 6 is provided with gear 7, and this gear 7 is arranged on described diffuser 4 with described
Between diffuser support 5, wherein, described diffuser 4 and described diffuser support 5 with described gear
The position of 7 contacts is both provided with the engaging tooth engaged with described gear 7 so that the rotation energy of described knob 6
Described diffuser 4 is enough driven to move linearly relative to described LED lamp panel 2.The other end of described knob 6
It is provided with rotary handle, it is simple to user operation knob 6 rotates.Operating for the convenience of the user, this rotary handle leads to
It is normally placed in the hull outside of LED light device.
Fig. 5 shows the structural representation of the LED lamp panel of LED light device of the present invention.
As shown in Figure 4 and Figure 5, LED lamp panel 2 is fixedly installed on the front of pedestal 1, is preferably formed into
Rectangle.
One or more LED light sources 3 are arranged in LED lamp panel 2, and it passes through LED pad 9 and power supply
Connect, and form the light-emitting zone 202 of LED light device.In the present invention, LED light source can use red
The LED light source of the multiple colors such as light, blue and green light, purple light or white light, can be flexible in actual production
Select.
In embodiments of the invention, preferably set around the one or more LED light source 3 in LED lamp panel 2
Put the lighttight wall 201 that is in the light, be used for limiting light-emitting zone 202.By one or more LED light sources 3
It is arranged in the light-emitting zone 202 limited by the wall 201 that is in the light, thus blocks the light in this light-emitting zone
It is irradiated to other color temperature regions, causes light leak or mixed light.
The wall 201 that is in the light uses light-proof material to constitute, the function that having shuts out the light passes through.Preferably, permissible
The height of the wall 201 that is in the light is formed as making the shading limit 403 of its diffuser fitted to hereinafter described, it is to avoid
Cause light leak or astigmatism, thus obtain the optimal effect that is in the light.
Fig. 6 shows the structural representation of the diffuser of LED light device of the present invention.
Seeing Fig. 3 and Fig. 6, diffuser 4 is arranged on the top of LED lamp panel 2 non-contactly, is i.e. arranged on
LED light source 3 is launched in the direction of advance of light, for regulating the colour temperature that LED light source 3 emits beam.Thoroughly
Light shield 4 is formed as rectangle, can be planar structure or globoidal structure, and its profile may be configured as and LED lamp panel
The profile of 2 matches.
It should be noted that the LED light source in the present invention uses contactless encapsulation.Specifically, diffuser
4 be set to LED lamp panel 2 spaced a distance so that LED chip separates with fluorescent material, LED
The heat that chip produces is less on the impact of fluorescent material, and the stability of fluorescent material is higher, and service life is longer.
With reference to Fig. 3, diffuser 4 includes transmitting substrate 401 and fluorescent material 402.Transmitting substrate 401 is permissible
For materials such as glass, plastics, resin, rubber or silica gel.Fluorescent material 402 coats or is deposited with at transmitting substrate
Forming thin film on the surface of 401, fluorescent material 402 can be by multiple fluorescent substance according to the combination of different proportion
Formed, thus reach different colour temperature regulation desired values.
As shown in Figure 6, diffuser 4 is provided with two or more color temperature regions 404, for realizing extremely
The colour temperature regulation of few more than two kinds.Specifically, the multiple shading limits 403 diffuser 4 arranged are by printing opacity
Cover 4 is divided into along such as the multiple color temperature regions 404 being longitudinally continuous arrangement of Fig. 6, each described color temperature regions
The fluorescent material of identical or different color temperature value it is provided with, when relative to the LED lamp panel 2 longitudinal direction along figure in 404
During mobile diffuser 4, so that different color temperature regions 404 covers on the top of light-emitting zone 202, from
And regulate the colour temperature of the light by this color temperature regions.Preferably, every two adjacent color temperature regions 404 set
Put the fluorescent material of different-colour value.
In an embodiment of the present invention, described color temperature regions 404 is formed as covering the light-emitting zone of correspondence
202.Preferably, color temperature regions 404 be shaped so as to substantially matching with the shape of light-emitting zone 202 or kiss
Close, to guarantee that the light that light-emitting zone 202 sends can be all by corresponding color temperature regions 404.Preferably,
Multiple color temperature regions 404 on diffuser 4 are formed as continuous distribution and have the rectangular area of same shape,
Accordingly, light-emitting zone 202 is again formed as having the rectangular area of same shape with each color temperature regions 404.
It addition, according to the needs of concrete application, it is various that color temperature regions 404 and light-emitting zone 202 may be configured as other
Shape.
Such as, in the embodiment shown in fig. 6, it is shown that multiple rectangle color temperature regions 404, each color temperature regions
Being provided with the fluorescent material for obtaining different-colour in 404, such as 3000k, 4500k, 6000k etc. are many
Plant color temperature value.On the other hand, the light-emitting zone 202 in LED lamp panel 2 is again formed as rectangular area, thus
Substantially matching with the shape of each rectangle color temperature regions 404 on diffuser 4.
In said structure, shading limit 403 uses light-proof material to constitute, the merit that having shuts out the light passes through
Can, scatter to the color temperature regions on side for blocking the light in the color temperature regions of place to such an extent as to cause the most homochromy
Mixed light between temperature area.
As it has been described above, the LED light device of the present invention is by fixing LED light source, then by regulation thoroughly
The position of light shield so that same light source realizes the change of colour temperature through the diffuser in different-colour region,
Thus to realize the function that colour temperature can arbitrarily regulate.
By implementing the present invention, so that LED light source carries out functional lighting and sight illumination easily
Between change, meet psychological in people's productive life and physiological lighting demand.Light modulation machine with prior art
System is compared, and the LED light device of the present invention has an advantage that
(1) using single light source, quantity is few, and the cost of raw material is low；Circuit design is simple, and welding cost is low.
(2), in prior art, the light decay of LED light source is largely because the decay of fluorescent material and causes.
Packaged light source of the present invention uses contactless encapsulation, and LED chip separates with fluorescent material, and LED chip produces
Heat is less on the impact of fluorescent material, and the stability of fluorescent material is higher, and service life is longer.
(3) colour temperature is easy to adjust, it is not necessary to dismounting lampshade can carry out the regulation of colour temperature, simple to operate；Favorably
Protection in lamp interior element.
It should be appreciated that the above-mentioned detailed description of the invention of the present invention is used only for exemplary illustration or explains this
The principle of invention, and be not construed as limiting the invention.Therefore, without departing from the spirit and scope of the present invention
In the case of any modification, equivalent substitution and improvement etc. done, should be included in protection scope of the present invention
Within.Additionally, claims of the present invention be intended to fall into scope and border or
Whole in the equivalents on this scope of person and border change and modifications example.
Claims (10)
1. a LED light device, including:
Pedestal (1)；
LED lamp panel (2), is fixedly installed on pedestal (1)；
One or more LED light sources (3), it is arranged in described LED lamp panel (2) to form luminescence
Region (202)；
Diffuser (4), is arranged on the top of described LED lamp panel (2) non-contactly；
It is characterized in that, described LED light device also includes:
Diffuser support (5), it is fixedly installed on described pedestal (1), described diffuser (4) quilt
It is movably arranged on described diffuser support (5)；
Knob (6), its one end is provided with gear (7), and this gear (7) is arranged on described diffuser (4)
And between described diffuser support (5).
LED light device the most according to claim 1, it is characterised in that described diffuser support (5)
Including the draw-in groove (8,8 ') installing described diffuser (4) for activity.
LED light device the most according to claim 1 and 2, it is characterised in that described LED lamp panel
(2) on, the one or more LED light source (3) is provided with the lighttight wall that is in the light (201), uses
In limiting described light-emitting zone (202),
Two or more color temperature regions (404) it is provided with, for realizing at least on described diffuser (4)
The color temperature value regulation of more than two kinds.
LED light device the most according to claim 3, it is characterised in that in described diffuser (4)
On the girth of each described color temperature regions (404) is provided with lighttight shading limit (403),
The height of the described wall that is in the light (201) be formed so that described in the wall (201) that is in the light fit to described printing opacity
The shading limit (403) of cover (4).
LED light device the most according to claim 3, it is characterised in that adjacent described colour temperature district
Territory (404) is provided for obtaining the fluorescent material of different-colour value,
Described diffuser (4) includes the transmitting substrate (401) being made up of glass, plastics, rubber or silica gel
And described fluorescent material by coating or is deposited with the thin film formed on the surface of described transmitting substrate (401).
LED light device the most according to claim 3, it is characterised in that each described color temperature regions
(404) be formed as covering corresponding light-emitting zone (202).
LED light device the most according to claim 3, it is characterised in that each described color temperature regions
(404) shape is substantially matching or identical with the shape of described light-emitting zone (202).
LED light device the most according to claim 3, it is characterised in that described two or more
Individual color temperature regions (404) is formed as being longitudinally continuous distribution and having same shape along described diffuser (4)
Rectangular area.
LED light device the most according to claim 1, it is characterised in that described pedestal (1) is solid
On the shell of described LED light device, and on the back side of described pedestal (1), it is provided with installation knot
Structure, for being connected to outside installation site by described LED light device.
LED light device the most according to claim 1, it is characterised in that in described knob (6)
The other end be provided with rotary handle, described rotary handle is arranged at the shell of described LED light device
Outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410605717.9A CN104373841B (en) | 2012-12-30 | 2012-12-30 | A kind of LED light device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210586728.8A CN103047573B (en) | 2012-12-30 | 2012-12-30 | Color-temperature-adjustable LED illuminating device |
| CN201410605717.9A CN104373841B (en) | 2012-12-30 | 2012-12-30 | A kind of LED light device |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210586728.8A Division CN103047573B (en) | 2012-12-30 | 2012-12-30 | Color-temperature-adjustable LED illuminating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104373841A CN104373841A (en) | 2015-02-25 |
| CN104373841B true CN104373841B (en) | 2016-08-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410605717.9A Expired - Fee Related CN104373841B (en) | 2012-12-30 | 2012-12-30 | A kind of LED light device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104373841B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101737722A (en) * | 2008-11-25 | 2010-06-16 | 富士迈半导体精密工业（上海）有限公司 | Illuminating device |
| CN102691904A (en) * | 2012-04-24 | 2012-09-26 | 厦门阳光恩耐照明有限公司 | Light emitting device with adjustable color temperature and color rendering index and lamp provided with light emitting device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080074279A1 (en) * | 2006-09-15 | 2008-03-27 | Idealite Optoelectronics Inc. | Rotating flashing warning signal lamp |
| JP2009245712A (en) * | 2008-03-31 | 2009-10-22 | Stanley Electric Co Ltd | Illumination fixture |
-
2012
- 2012-12-30 CN CN201410605717.9A patent/CN104373841B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101737722A (en) * | 2008-11-25 | 2010-06-16 | 富士迈半导体精密工业（上海）有限公司 | Illuminating device |
| CN102691904A (en) * | 2012-04-24 | 2012-09-26 | 厦门阳光恩耐照明有限公司 | Light emitting device with adjustable color temperature and color rendering index and lamp provided with light emitting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104373841A (en) | 2015-02-25 |
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