CN105789474B - A kind of lighting source - Google Patents
A kind of lighting source Download PDFInfo
- Publication number
- CN105789474B CN105789474B CN201410812238.4A CN201410812238A CN105789474B CN 105789474 B CN105789474 B CN 105789474B CN 201410812238 A CN201410812238 A CN 201410812238A CN 105789474 B CN105789474 B CN 105789474B
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- China
- Prior art keywords
- light
- lighting source
- organic
- scattering layer
- luminescent dye
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- 230000005284 excitation Effects 0.000 claims abstract description 9
- MCSXGCZMEPXKIW-UHFFFAOYSA-N 3-hydroxy-4-[(4-methyl-2-nitrophenyl)diazenyl]-N-(3-nitrophenyl)naphthalene-2-carboxamide Chemical compound Cc1ccc(N=Nc2c(O)c(cc3ccccc23)C(=O)Nc2cccc(c2)[N+]([O-])=O)c(c1)[N+]([O-])=O MCSXGCZMEPXKIW-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000004020 luminiscence type Methods 0.000 claims abstract description 5
- 239000000975 dye Substances 0.000 claims description 25
- 239000000463 material Substances 0.000 claims description 21
- 239000000758 substrate Substances 0.000 claims description 9
- 230000003287 optical effect Effects 0.000 claims description 7
- 239000010409 thin film Substances 0.000 claims description 7
- HXWWMGJBPGRWRS-CMDGGOBGSA-N 4- -2-tert-butyl-6- -4h-pyran Chemical compound O1C(C(C)(C)C)=CC(=C(C#N)C#N)C=C1\C=C\C1=CC(C(CCN2CCC3(C)C)(C)C)=C2C3=C1 HXWWMGJBPGRWRS-CMDGGOBGSA-N 0.000 claims description 5
- MSDMPJCOOXURQD-UHFFFAOYSA-N C545T Chemical compound C1=CC=C2SC(C3=CC=4C=C5C6=C(C=4OC3=O)C(C)(C)CCN6CCC5(C)C)=NC2=C1 MSDMPJCOOXURQD-UHFFFAOYSA-N 0.000 claims description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 3
- YYMBJDOZVAITBP-UHFFFAOYSA-N rubrene Chemical compound C1=CC=CC=C1C(C1=C(C=2C=CC=CC=2)C2=CC=CC=C2C(C=2C=CC=CC=2)=C11)=C(C=CC=C2)C2=C1C1=CC=CC=C1 YYMBJDOZVAITBP-UHFFFAOYSA-N 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims 1
- 238000001259 photo etching Methods 0.000 claims 1
- 230000007704 transition Effects 0.000 claims 1
- 238000009877 rendering Methods 0.000 abstract description 9
- 238000005286 illumination Methods 0.000 abstract description 4
- 239000007850 fluorescent dye Substances 0.000 abstract description 3
- 230000005855 radiation Effects 0.000 abstract description 3
- 238000001228 spectrum Methods 0.000 description 10
- 239000000203 mixture Substances 0.000 description 4
- 230000003595 spectral effect Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- -1 dicyano methylenes Chemical class 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- GDRVFDDBLLKWRI-UHFFFAOYSA-N 4H-quinolizine Chemical compound C1=CC=CN2CC=CC=C21 GDRVFDDBLLKWRI-UHFFFAOYSA-N 0.000 description 1
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 1
- 241001062009 Indigofera Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 230000000536 complexating effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Illuminated Signs And Luminous Advertising (AREA)
- Planar Illumination Modules (AREA)
- Luminescent Compositions (AREA)
Abstract
The invention discloses a kind of lighting source, and it includes scattering layer, the light guide plate located at scattering layer side and organic color converting layer located at scattering layer opposite side, and at least one edge of the light guide plate is provided with excitation source.The present invention uses luminescence generated by light, using cheap fluorescent dye system, greatly reduces cost, meanwhile high-color rendering flat illumination panel is obtained, effectively reduce the dark blue light radiation of lighting source, deep red color light component is added simultaneously, improves colour rendering, especially R9 values.
Description
Technical field
A kind of relevant lighting source of the present invention, particularly relate to a kind of organo-mineral complexing that can obtain high colour developing recombined white light
Lighting source.
Background technology
Conventional LED white lights, it can be realized by the way of blue light adds inorganic yellow fluorescent material, inorganic LED as shown in Figure 1 is white
Light spectrum, wherein blue light ingredient concentrate on wavelength 440-460 nm scope, and lack green glow and deep red color light component in spectrum, because
This visual effect is unsatisfactory.It is inorganic red by being further mixed into above-mentioned inorganic yellow fluorescent material in order to improve LED light spectrum
Color fluorescent material, emitting red light spectrum can be obtained, and then obtain high display property lighting source.But the peak value of usual LED feux rouges is in ripple
Long 600nm or so, so the R9 values of deep red light portion are relatively low, simultaneously as the presence of dark blue light, easily causes damage to vision.
People's blue spectrum as shown in Figure 2 simultaneously, due to the blue spectrum being only harmful in blue light to vision, it is also desirable to carried out to blue light
The change of spatial distribution, it is set to be converted into the high-color rendering white-light harmless to human eye.
The content of the invention
In view of this, it is a primary object of the present invention to provide one kind to weaken dark blue light, and there is deep red-light spectrum
LED illumination light source.
To reach above-mentioned purpose, the present invention provides a kind of lighting source, and it includes scattering layer, located at the scattering layer incident light
The light guide plate of side and organic color converting layer located at the scattering layer emergent light side, at least one edge of the light guide plate, which is provided with, to swash
Light emitting source.
The excitation source is LED blue light source of the transmitting with 430nm -480nm wavelength.
The excitation source for LED blue light source of the transmitting with 430nm -480nm wavelength and launch with 550nm -
The LED white light sources of the inorganic phosphor composition of 580nm wavelength.
Organic color converting layer includes at least one organic light turn that can be absorbed dark blue light and send gold-tinted or feux rouges
Conversion materials.
Organic light-converting material is prepared into optics using organic light emission main body mixed luminescence dyestuff and Other substrate materials
Film.
In the optical thin film, the organic light emission main body and luminescent dye are by the way of being simply mixed, or described have
Machine light emitting host passes through chemical bonding, wherein in Other substrate materials, light emitting host, luminescent dye three, hair with luminescent dye
For the mass ratio of light main body in 5-50%, the mass ratio of luminescent dye is Other substrate materials in 0.01-10%, surplus.
The luminescent dye is one or both of rubrene, C545T, DCJTB and DCM.
Organic color converting layer contains at least one dark red coloured light shifting dyes.
The dark red coloured light shifting dyes are DCJTB or DCM.
The present invention uses luminescence generated by light, using cheap fluorescent dye system, greatly reduces cost, high obtaining
Colour rendering flat illumination panel, while effectively reducing the dark blue light radiation of lighting source, by increasing dark red light in spectrum
Composition, improve colour rendering, especially R9 values.
Brief description of the drawings
Fig. 1 is the spectral distribution graph of conventional LED white lights；
Fig. 2 is the spectral distribution graph of LED blue lights；
Fig. 3 is the structural representation of the lighting source of the present invention；
Fig. 4 is the high-color rendering white-light spectral distribution graph that the lighting source of the present invention is sent.
Embodiment
There is further understanding for ease of the structure to the present invention and the effect that reaches, developed simultaneously preferable implementation in conjunction with accompanying drawing
Example describes in detail as follows.
As shown in figure 3, the lighting source of the present invention includes scattering layer 1, the light guide plate 2 located at the incident light side of scattering layer 1
And organic color converting layer 3 located at the emergent light side of scattering layer 1, at least one edge of the light guide plate 2 are provided with excitation source 4.
Organic color converting layer 3 in the present invention is such as red glimmering using luminescent dye containing at least one organic light-converting material
Alkene（rubrene）、C545T（10- (2-[4-morpholinodithio) -2,3,6,7- tetrahydrochysene -1,1,7,7,-tetramethyl l-1H, 5H, 11H- [1]
Benzopyran ketone group [6,7,8-ij] quinolizine -11- ketone）One or both of, mix organic light emitting host and Other substrate materials
Optical thin film is prepared into, the optical thin film can be absorbed the dark blue light in part, and be converted into more continuous gold-tinted or feux rouges, should
Organic light emission main body can be prepared into optical thin film with luminescent dye using simple physical admixture, and the optical thin film also may be used
By using organic light emission main body and luminescent dye by chemical bonding in a manner of prepare, wherein Other substrate materials, light emitting host,
In luminescent dye three, the mass ratio of light emitting host is in 0.01-10%, surplus in 5-50%, the mass ratio of luminescent dye
Other substrate materials.Organic color converting layer 3 in the present invention contains dark red coloured light shifting dyes, such as DCJTB（4- (dicyano methylenes
Base) -2- the tert-butyl groups -6- (the long Luo Nidingji -4- vinyl of 1,1,7,7- tetramethyls) -4H- pyrans）Or DCM（4- (dimercaptos
Methylene) -2- methyl -6- (to dimethylaminostyryl) -4H- pyrans）Deng, the material absorbable is blue, the light such as greenish-yellow and turns
Turn to dark red color light components（Dark red coloured light can be the feux rouges that wavelength is more than 630nm）.Wherein Other substrate materials, organic light emission main body
And in dark red coloured light shifting dyes three, the mass ratio of organic light emission main body is in 5-50 %, the matter of dark red coloured light shifting dyes
Amount ratio is in 0.01-10%.Organic color converting layer 3 of the present invention can use one or more organic light-converting material mixing one
The mode of the combination collocation of kind or a variety of dark red coloured light shifting dyes.
The excitation source 4 of the present invention is provided with inorganic light-emitting light source, can be LED white light sources, or LED blue light light
Source, when using white light, LED white light sources be by launch LED blue light sources with 430nm-480nm wavelength and transmitting with
The inorganic phosphor composition of 550nm-580nm wavelength, using conventional LED chips, yellow fluorescent powder is excited to obtain high color temperature LED white
Light, above-mentioned white light is entered by 2 liang of end side surfaces of light guide plate, is uniformly distributed the luminous point of the front light-emitting zone of light guide plate 2, and enter
Scattering layer 1 is carried out after uniformly spreading to spectrum, respectively by organic color converting layer 3, is formed with more dark red coloured light and without indigo plant
The high-color rendering white-light of light harm（As shown in Figure 3）.It is the LED with 430nm-480nm wavelength to be illustrated in figure 4 excitation source
Blue light source, be scattered and organic color converting layer 3 change after white-light spectrum distribution map, wherein in the absence of there is the navy blue of harm
Light, and add dark red coloured light.
Brightness is first uniformly distributed by the present invention with light guide plate with scattering layer, then additive color conversion layer, can effectively avoid office
Portion's brightness is too high, causes organic film to be decayed.The lighting source of the present invention can obtain high-color rendering flat illumination panel, effectively reduce
Dark blue light radiation, while deep red color light component is added, improve colour rendering, especially R9 values；The present invention uses luminescence generated by light, point
The absorption of son and the corresponding certain stability that lights, using cheap fluorescent dye system, without phosphorescent coloring, can be reduced
Cost.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.
Claims (7)
1. a kind of lighting source, it is characterised in that it includes scattering layer, the light guide plate located at the scattering layer incident light side and set
Organic color converting layer in the scattering layer emergent light side, at least one edge of the light guide plate is provided with excitation source, described organic
Color converting layer includes at least one organic light-converting material that can be absorbed dark blue light and send gold-tinted or feux rouges, organic light
Transition material is prepared into optical thin film, wherein photoetching glue material using organic light emission main body mixed luminescence dyestuff and Other substrate materials
In material, light emitting host, luminescent dye three, the mass ratio of light emitting host exists in 5-50%, the mass ratio of luminescent dye
0.01-10%, surplus are Other substrate materials.
2. lighting source as claimed in claim 1, it is characterised in that the excitation source has 430nm -480nm for transmitting
The LED blue light sources of wavelength.
3. lighting source as claimed in claim 1, it is characterised in that the excitation source has 430nm -480nm for transmitting
The LED white light sources that the inorganic phosphor of LED blue light sources and transmitting with 550nm -580nm wavelength of wavelength forms.
4. lighting source as claimed in claim 1, it is characterised in that in the optical thin film, the organic light emission main body with
Luminescent dye is by the way of being simply mixed, or the organic light emission main body passes through chemical bonding with luminescent dye.
5. lighting source as claimed in claim 1, it is characterised in that the luminescent dye be rubrene, C545T, DCJTB and
One or both of DCM.
6. lighting source as claimed in claim 1 or 2, it is characterised in that organic color converting layer contains at least one deep
Red light shifting dyes.
7. lighting source as claimed in claim 6, it is characterised in that the dark red coloured light shifting dyes are DCJTB or DCM.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410812238.4A CN105789474B (en) | 2014-12-24 | 2014-12-24 | A kind of lighting source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410812238.4A CN105789474B (en) | 2014-12-24 | 2014-12-24 | A kind of lighting source |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105789474A CN105789474A (en) | 2016-07-20 |
| CN105789474B true CN105789474B (en) | 2018-02-06 |
Family
ID=56377971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410812238.4A Active CN105789474B (en) | 2014-12-24 | 2014-12-24 | A kind of lighting source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105789474B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111679493B (en) * | 2020-05-29 | 2022-10-21 | 太湖金张科技股份有限公司 | Backlight module with blue light conversion reflecting film and liquid crystal display panel |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003302918A (en) * | 2002-04-08 | 2003-10-24 | Fusao Terada | Light emitting display device |
| JP2004164977A (en) * | 2002-11-12 | 2004-06-10 | Nichia Chem Ind Ltd | Light-emitting apparatus using phosphor sheet |
| CN101404130A (en) * | 2007-07-27 | 2009-04-08 | 株式会社田村制作所 | Light-emitting sign device |
| CN102374492A (en) * | 2010-08-12 | 2012-03-14 | 海洋王照明科技股份有限公司 | Light guide plate and preparation method thereof, light-emitting diode (LED) plane light source and display |
| CN102384372A (en) * | 2010-09-02 | 2012-03-21 | 吴明番 | Light emitting device of LED (light-emitting diode) area light source covered by optical film and production method thereof |
| CN103635839A (en) * | 2011-04-28 | 2014-03-12 | L.E.S.S.有限责任公司 | Waveguide apparatus for illumination systems |
-
2014
- 2014-12-24 CN CN201410812238.4A patent/CN105789474B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003302918A (en) * | 2002-04-08 | 2003-10-24 | Fusao Terada | Light emitting display device |
| JP2004164977A (en) * | 2002-11-12 | 2004-06-10 | Nichia Chem Ind Ltd | Light-emitting apparatus using phosphor sheet |
| CN101404130A (en) * | 2007-07-27 | 2009-04-08 | 株式会社田村制作所 | Light-emitting sign device |
| CN102374492A (en) * | 2010-08-12 | 2012-03-14 | 海洋王照明科技股份有限公司 | Light guide plate and preparation method thereof, light-emitting diode (LED) plane light source and display |
| CN102384372A (en) * | 2010-09-02 | 2012-03-21 | 吴明番 | Light emitting device of LED (light-emitting diode) area light source covered by optical film and production method thereof |
| CN103635839A (en) * | 2011-04-28 | 2014-03-12 | L.E.S.S.有限责任公司 | Waveguide apparatus for illumination systems |
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| Publication number | Publication date |
|---|---|
| CN105789474A (en) | 2016-07-20 |
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