CN106398157A - A method of increasing a special color rendering index R9 in LED lamps - Google Patents
A method of increasing a special color rendering index R9 in LED lamps Download PDFInfo
- Publication number
- CN106398157A CN106398157A CN201610686646.9A CN201610686646A CN106398157A CN 106398157 A CN106398157 A CN 106398157A CN 201610686646 A CN201610686646 A CN 201610686646A CN 106398157 A CN106398157 A CN 106398157A
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- Prior art keywords
- led
- rendering index
- colour rendering
- compound
- special colour
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C4/00—Compositions for glass with special properties
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
Abstract
A method of increasing a special color rendering index R9 in LED lamps is provided. The method includes following steps in order: 1) adding a Nd<3+> containing compound into a formula of glass or polymer or waterborne LED lamp diffusion coating, 2) manufacturing a corresponding a LED lampshade or component or coating from the formula to which the Nd<3+> containing compound is added, and 3) applying the LED lampshade or component or coating to the LED lamps. The method of increasing the special color rendering index R9 in the LED lamps is provided, improves quality of light emitted by the LED lamps and greatly reduces the manufacturing cost of highly color-rendering LED lamps.
Description
Technical field
The present invention relates to illuminator, more particularly, to a kind of method improving special colour rendering index in LED.
Background technology
There are some researches show：General colour rendering index (Ra) is to the color rendering propertiess evaluation presence of LED and visual evaluation inconsistence problems.
The relatively low LED white light of Ra color rendering propertiess visually are possible might not be poor；Conversely, the higher LED white light of Ra shows in vision
Color might not be preferable.Therefore, we, when designing high-color development LED lamp it is impossible to only consider general colour rendering index Ra, more will
The special colour rendering index R9 to saturated red for the concern, and to the special colour rendering index R10 of 3 kinds of heavy shades such as yellow, green, blue～
The high-color rendering of guarantee LED when R12, only Ra and R9 have high value simultaneously.The method improving R9 at present mainly has two
Kind：Increase fluorescent material proportioning in nitride Hydrargyri Oxydum Rubrum ratio or use red LED lamp bead, all there is cost of a relatively high.
Content of the invention
Technical problem underlying to be solved by this invention is to provide a kind of method improving special colour rendering index in LED,
The quality going out light in raising LED lamp significantly reduces the cost of manufacture of high-color development LED lamp simultaneously again.
In order to solve above-mentioned technical problem, the invention provides a kind of side improving special colour rendering index R9 in LED
Method, including following sequential steps：
1) increase in the formula spreading coating in glass or high molecular polymer or aqueouss LED and contain Nd3+Compound；
2) will add containing Nd3+Compound after glass or high molecular polymer or aqueouss LED spread joining of coating
Side is fabricated to corresponding LED lamp cover or structural member or coating；
3) described LED lamp cover or structural member or coating are applied in LED.
In a preferred embodiment：In the formula of described glass add account for formula total amount 1%-12% containing Nd3+Chemical combination
Thing.
In a preferred embodiment：Described containing Nd3+Compound be Nd2O3、NdFO、Nd2(CO3)3.H2O、Nd(NO3)3、
NdCl3.H2O、Nd(AC)3One or more of.
In a preferred embodiment：Described high molecular polymer is PC or PMAA or PS.
In a preferred embodiment：Account for total amount 1%-8% in the interpolation in master batch of making of described PC or PMAA or PS
Containing Nd3+Compound.
In a preferred embodiment：Described containing Nd3+Compound be NdFO, Nd2(CO3)3.H2O、Nd(AC)3One of
Or it is several.
In a preferred embodiment：Spread to add in the formula of coating in described aqueouss LED and account for total amount 1%-8%
Containing Nd3+Compound.
In a preferred embodiment：Described containing Nd3+Compound be Nd2O3Or NdFO.
In a preferred embodiment：Described LED is bulb lamp or Down lamp or shot-light.
In a preferred embodiment：The light color temperature that goes out of the LED light source in described LED is warm white.
Compared to prior art, advantages of the present invention is as follows：
The method of special colour rendering index R9 in a kind of raising LED that the present invention provides, in glass or high molecular polymer
Or increase containing Nd in the formula of aqueouss LED diffusion coating3+Compound, make corresponding LED lamp cover or structural member or coating,
It is applied on the products such as the LED of warm white.Ra and R9 value can be effectively improved.The present invention has easy to process, easy enforcement etc.
Advantage.The lampshade made using the present invention with a low price, common warm white LED combines and just can effectively lift the colour developing of LED and refer to
Number and R9 value, need not adopt specific, expensive LED light source, and the quality going out light in raising LED lamp drops simultaneously and significantly
The low cost of manufacture of high-color development LED lamp.
Brief description
Fig. 1 is spectrogram simple glass being used as the LED of lampshade；
Fig. 2 is the spectrogram of the LED of the preferred embodiment of the present invention 1；
Fig. 3 is the spectrogram of the LED of the preferred embodiment of the present invention 2；
Fig. 4 is the spectrogram common PC being used as the LED of structural member；
Fig. 5 is the spectrogram of the LED of the preferred embodiment of the present invention 3；
Fig. 6 is the spectrogram of the LED using conventional clear glass lampshade；
Fig. 7 is the spectrogram of the LED of the preferred embodiment of the present invention 4；
Specific embodiment
With reference to specific embodiment, the present invention is further described：
Embodiment 1
Fig. 1 provides and a kind of is used simple glass as the spectrogram of the LED of lampshade it can be seen that its special colour developing refers to
Number R9 are 7, and the value of special colour rendering index R9 is less than normal, LED to go out light color rendering propertiess also poor.
In the present embodiment, the formula of glass adds the Nd accounting for total amount 8%2O3, after high-temperature fusion, it is fabricated to glass
Glass lampshade；This glass lamp shade is applied in LED ball bulb, the light color temperature that goes out of the LED light source in described LED ball bulb is warm white
Light.
Fig. 2 provides using above-mentioned addition Nd2O3Neodymium glass afterwards as the LED of lampshade spectrogram it can be seen that its
Special colour rendering index R9 is 93, and the value of special colour rendering index R9 substantially increases, and the light color rendering propertiess that go out of LED have also obtained accordingly
Raising.Therefore, the color rendering index that just can effectively lift LED is combined with low price, common warm white LED using above-mentioned lampshade
With R9 value, specific, expensive LED light source need not be adopted, the quality going out light in raising LED lamp is greatly reduced simultaneously again
The cost of manufacture of high-color development LED lamp.
Embodiment 2
In the present embodiment, add, in the formula of glass, the NdF0 accounting for total amount 8%, after high-temperature fusion, be fabricated to glass
Glass lampshade；This glass lamp shade is applied in LED ball bulb, the light color temperature that goes out of the LED light source in described LED ball bulb is warm white
Light.
Fig. 3 provide the neodymium glass after above-mentioned addition NdF0 is used as the spectrogram of the LED of lampshade it can be seen that its
Special colour rendering index R9 is 80, and the value of special colour rendering index R9 substantially increases, and the light color rendering propertiess that go out of LED have also obtained accordingly
Raising.
Therefore, the formula of glass adds Nd2O3Or NdF0 all can realize the technology design of the present invention, further,
As long as containing Nd described in the formula of glass3+Compound, such as Nd2O3、NdFO、Nd2(CO3)3.H2O、Nd(NO3)3、
NdCl3.H2O、Nd(AC)3One or more of, the technology design of the present invention can be realized.
Embodiment 3
Fig. 4 provides and a kind of is used common PC as the spectrogram of the LED of structural member it can be seen that its special colour developing refers to
Number R9 are 12, and the value of special colour rendering index R9 is less than normal, LED to go out light color rendering propertiess also poor.
In the present embodiment, add, in making in master batch of PC, the NdFO accounting for total amount 4.5%, after injection or blowing,
It is fabricated to structural member；This structural member is applied in LED down or shot-light, the going out of the LED light source in described LED down or shot-light
Light color temperature is warm white.
Fig. 5 provides the PC after above-mentioned addition NdFO is used as the spectrogram of the LED of lampshade it can be seen that it is special
Color rendering index R9 is 36, and the value of special colour rendering index R9 substantially increases, and the light color rendering propertiess that go out of LED have also obtained carrying accordingly
High.Therefore, using above-mentioned structural member with a low price, common warm white LED combine just can effectively be lifted LED color rendering index and
R9 value, need not adopt specific, expensive LED light source, and the quality going out light in raising LED lamp significantly reduces simultaneously again
The cost of manufacture of high-color development LED lamp.
The material of this structural member, in addition to PC, can also select the thermoplastic polyester such as PMAA, PS.Except adding
NdFO, can also add other to contain Nd3+Compound, such as Nd2(CO3)3.H2O、Nd(AC)3One or more of.
Embodiment 4
Fig. 6 provides and a kind of is used conventional clear glass as the spectrogram of the LED of lampshade it can be seen that it is special aobvious
Colour index R9 is 7, and the value of special colour rendering index R9 is less than normal, LED to go out light color rendering propertiess also poor.
In the present embodiment, after the formula of aqueouss LED diffusion coating adds the NdFO accounting for total amount 4.5%, coating
In the inner surface of glass, the glass lamp shade after coating is applied in LED ball bulb, the going out of the LED light source of described LED ball bulb
Light color temperature is warm white.
Fig. 7 provides the spectrum above-mentioned conventional clear glass+addition NdFO diffusion coating being used as the LED of lampshade
It can be seen that its special colour rendering index R9 is 53, the value of special colour rendering index R9 substantially increases figure, and the light that goes out of LED develops the color
Property is also correspondingly improved.Therefore, combine and just can effectively be lifted with low price, common warm white LED using above-mentioned lampshade
The color rendering index of LED and R9 value, need not adopt specific, expensive LED light source, go out the product of light in raising LED lamp
Matter significantly reduces the cost of manufacture of high-color development LED lamp simultaneously again.
Nd can also be added in coating2O3, equally can reach the technology design of the present invention.
The invention is not limited in aforesaid specific embodiment.Above-described embodiment should not be considered as limiting the model of the present invention
Enclose.Those skilled in the art, while reading and understanding aforementioned detailed description, can modify and change.Specifically
Protection domain should be defined by claims.
Claims (10)
1. a kind of method improving special colour rendering index R9 in LED is it is characterised in that include following sequential steps：
1) increase in the formula spreading coating in glass or high molecular polymer or aqueouss LED and contain Nd3+Compound；
2) will add containing Nd3+Compound after glass or the high molecular polymer or aqueouss LED formula system of diffusion coating
It is made corresponding LED lamp cover or structural member or coating；
3) described LED lamp cover or structural member or coating are applied in LED.
2. according to claim 1 a kind of improve LED in special colour rendering index R9 method it is characterised in that：Described
In the formula of glass add account for formula total amount 1%-12% containing Nd3+Compound.
3. according to claim 2 a kind of improve LED in special colour rendering index R9 method it is characterised in that：Described
Containing Nd3+Compound be Nd2O3、NdFO、Nd2(CO3)3.H2O、Nd(NO3)3、NdCl3.H2O、Nd(AC)3One of or several
Kind.
4. according to claim 1 a kind of improve LED in special colour rendering index R9 method it is characterised in that：Described
High molecular polymer is PC or PMAA or PS.
5. according to claim 4 a kind of improve LED in special colour rendering index R9 method it is characterised in that：Institute
State PC or PMAA or PS make in master batch add account for total amount 1%-8% containing Nd3+Compound.
6. according to claim 5 a kind of improve LED in special colour rendering index R9 method it is characterised in that：Described
Containing Nd3+Compound be NdFO, Nd2(CO3)3.H2O、Nd(AC)3One or more of.
7. according to claim 1 a kind of improve LED in special colour rendering index R9 method it is characterised in that：Institute
State aqueouss LED spread coating formula in add account for total amount 1%-8% containing Nd3+Compound.
8. according to claim 7 a kind of improve LED in special colour rendering index R9 method it is characterised in that：Described
Containing Nd3+Compound be Nd2O3Or NdFO.
9. in a kind of raising LED according to any one of claim 1-8 special colour rendering index R9 method, its feature
It is：Described LED is bulb lamp or Down lamp or shot-light.
10. according to claim 9 a kind of improve LED in special colour rendering index R9 method it is characterised in that：Described
The light color temperature that goes out of the LED light source in LED is warm white.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610686646.9A CN106398157A (en) | 2016-08-18 | 2016-08-18 | A method of increasing a special color rendering index R9 in LED lamps |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610686646.9A CN106398157A (en) | 2016-08-18 | 2016-08-18 | A method of increasing a special color rendering index R9 in LED lamps |
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| CN106398157A true CN106398157A (en) | 2017-02-15 |
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| CN201610686646.9A Pending CN106398157A (en) | 2016-08-18 | 2016-08-18 | A method of increasing a special color rendering index R9 in LED lamps |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108571667A (en) * | 2018-05-16 | 2018-09-25 | 厦门通士达照明有限公司 | Improve the method and LED light of special colour rendering index R9 in LED light |
| US10609871B1 (en) | 2018-09-17 | 2020-04-07 | TieJun Wang | Lighting device for horticultural facility |
| US10619802B2 (en) | 2018-09-18 | 2020-04-14 | TieJun Wang | Solid state white-light lamp |
| US10651347B2 (en) | 2018-07-30 | 2020-05-12 | Dengke Cai | Encapsulating package for white light LED |
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| CN1539914A (en) * | 2003-10-23 | 2004-10-27 | 北京有色金属研究总院 | Red luminescent powder in use for LED, preparing method and electric light source produced |
| US20120007115A1 (en) * | 2004-06-30 | 2012-01-12 | Mitsubishi Chemical Corporation | Phosphor, light-emitting device using same, image display and illuminating device |
| CN102392977A (en) * | 2011-07-12 | 2012-03-28 | 苏州昆仑工业设计有限公司 | Film-coated filter for improving LED (light emitting diode) color rendering |
| CN104676457A (en) * | 2013-11-29 | 2015-06-03 | 欧普照明股份有限公司 | High-coloration white-light LED lamp and preparation method thereof |
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2016
- 2016-08-18 CN CN201610686646.9A patent/CN106398157A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1539914A (en) * | 2003-10-23 | 2004-10-27 | 北京有色金属研究总院 | Red luminescent powder in use for LED, preparing method and electric light source produced |
| US20120007115A1 (en) * | 2004-06-30 | 2012-01-12 | Mitsubishi Chemical Corporation | Phosphor, light-emitting device using same, image display and illuminating device |
| CN102392977A (en) * | 2011-07-12 | 2012-03-28 | 苏州昆仑工业设计有限公司 | Film-coated filter for improving LED (light emitting diode) color rendering |
| CN104676457A (en) * | 2013-11-29 | 2015-06-03 | 欧普照明股份有限公司 | High-coloration white-light LED lamp and preparation method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108571667A (en) * | 2018-05-16 | 2018-09-25 | 厦门通士达照明有限公司 | Improve the method and LED light of special colour rendering index R9 in LED light |
| US10651347B2 (en) | 2018-07-30 | 2020-05-12 | Dengke Cai | Encapsulating package for white light LED |
| US10609871B1 (en) | 2018-09-17 | 2020-04-07 | TieJun Wang | Lighting device for horticultural facility |
| US10619802B2 (en) | 2018-09-18 | 2020-04-14 | TieJun Wang | Solid state white-light lamp |
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Application publication date: 20170215 |
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