CN102374437A - Light source module with multiple light sources - Google Patents
Light source module with multiple light sources Download PDFInfo
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- CN102374437A CN102374437A CN2011103459951A CN201110345995A CN102374437A CN 102374437 A CN102374437 A CN 102374437A CN 2011103459951 A CN2011103459951 A CN 2011103459951A CN 201110345995 A CN201110345995 A CN 201110345995A CN 102374437 A CN102374437 A CN 102374437A
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- 239000003086 colorant Substances 0.000 claims abstract description 26
- 238000004020 luminiscence type Methods 0.000 claims description 29
- 239000007787 solid Substances 0.000 claims description 14
- 230000003595 spectral effect Effects 0.000 abstract description 13
- 238000005286 illumination Methods 0.000 abstract description 11
- 230000002950 deficient Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 3
- 238000009877 rendering Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 240000004859 Gamochaeta purpurea Species 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- NHDHVHZZCFYRSB-UHFFFAOYSA-N pyriproxyfen Chemical compound C=1C=CC=NC=1OC(C)COC(C=C1)=CC=C1OC1=CC=CC=C1 NHDHVHZZCFYRSB-UHFFFAOYSA-N 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Abstract
The invention relates to a light source module, which comprises a first light-emitting unit and a second light-emitting unit. The first light-emitting unit is used for providing a first light source, the first light source has a plurality of different colors, and the first light source has a first spectral distribution. The second light emitting unit is used for providing a second light source, the second light source has a single color, and the second light source has a second spectral distribution for compensating the first spectral distribution. The invention solves the limitation of OLED lamps on blue light, white light illumination or service life, and meets the requirements of different light colors when the lamps are used for illumination in different situations.
Description
Technical field
The present invention is about a kind of light source module that possesses multiple light source, particularly about a kind of light source module that possesses the compensated spectrum distribution and the function of can mixing colours.
Background technology
In recent years, Organic Light Emitting Diode (OLED) is widely used in many fields, for example can be used as the backlight of LCD (LCD), also can be used as general illumination and uses.OLED does not have the mercury pollution problem of fluorescent lamp except having advantages such as high-luminous-efficiency and power saving yet, therefore gradually becomes time illumination main flow of generation.In addition,, and have frivolous, large tracts of land, be easy to characteristic such as makings, so be employed in artistic and functional illumination through the illumination of the luxurious design of being everlasting because light source that OLED provided belongs to warm soft area source.
Generally speaking, (Color Rendering Index, CRI) in order to the correct color rendering of measuring color, and the CRI height is relevant with frequency spectrum width for the color rendering index.Though white light OLED frequency spectrum broad has higher CRI, for want of the efficient dark-blue light material so CRI is prone to restricted (being up to about 85), can only be formed the white light of low colour temperature.Possibly produce white light although this means the OLED that mixes with three primary colors (like Red Green Blue), when with this optical illumination object, may not produce natural color fully, please refer to Fig. 1.Fig. 1 is the spectral distribution graph of a white organic LED.As shown in Figure 1, even when the white light that is sent by the OLED of a high power efficiency (high power efficiency) carries out the object illumination, naked eyes seem still to appear yellow slightly partially white light, promptly hang down the white light of colour temperature, with natural white light one section gap are arranged still.
Because lower, the less stable of luminous efficiency of the blue light material that OLED uses, and the life-span have only one of percentage of ruddiness or green light material, make the OLED light fixture at blue light, white-light illuminating or all be difficult to satisfy the demand of practical application on service life.On the other hand, when light fixture uses when various different situations are thrown light on, have different photochromic demands.How letting light fixture go out the photochromic of institute's desire performance by any modulation, also is crucial problem.Therefore, need have the light source module of the compensated spectrum distribution and the function of can mixing colours, overcome above-mentioned shortcoming to reach target.
Summary of the invention
One of the object of the invention is to provide a kind of light source module, to solve the OLED light fixture in blue light, white-light illuminating or the restriction on service life.
Another object of the present invention is to provide a kind of light source module, use the different photochromic demand when various different situations are thrown light on to satisfy light fixture.
For reaching above-mentioned purpose, the present invention provides a kind of light source module, comprises: one first luminescence unit, and in order to one first light source to be provided, first light source has multiple different colours, and first light source has one first spatial distribution; And one second luminescence unit, in order to a secondary light source to be provided, secondary light source has solid color, and secondary light source has one second spatial distribution; Wherein second spatial distribution is in order to compensate first spatial distribution.
For reaching above-mentioned purpose; The present invention provides a kind of light source module, comprises: a LGP, and it comprises one first incidence surface, one second incidence surface and an exiting surface; Wherein the first incidence surface exiting surface is relative, and second incidence surface is connected with exiting surface with first incidence surface respectively; One first luminescence unit, towards first incidence surface, in order to one first light source to be provided, wherein first light source has multiple different colours, and first luminescence unit comprises an Organic Light Emitting Diode unit; And one second luminescence unit, towards second incidence surface, in order to a secondary light source to be provided, wherein secondary light source has at least a color, and second luminescence unit comprises at least one light emitting diode.
Description of drawings
Fig. 1 is the spectral distribution graph of a white organic LED;
Fig. 2 is the sketch map of the light source module of first preferred embodiment of the present invention;
Fig. 3 is the sketch map of the light source module of second preferred embodiment of the present invention;
Fig. 4 be first and second preferred embodiment of the present invention light source module first implement the appearance attitude spectral distribution graph;
Fig. 5 be first and second preferred embodiment of the present invention light source module second implement the appearance attitude spectral distribution graph;
Fig. 6 be second preferred embodiment of the present invention light source module the 3rd implement the appearance attitude spectral distribution graph;
Fig. 7 be second preferred embodiment of the present invention light source module the 4th implement the appearance attitude spectral distribution graph.
Wherein, Reference numeral:
The specific embodiment
Have the knack of under the present invention the general art of technical field and can further understand the present invention for making, the hereinafter spy enumerates preferred embodiment of the present invention, and cooperate appended graphic, specify constitution content of the present invention and the effect desiring to reach.
Please refer to Fig. 2.Fig. 2 is the sketch map of the light source module of first preferred embodiment of the present invention.As shown in Figure 2, the light source module 100 of present embodiment comprises first luminescence unit 110, in order to first light source 112 to be provided; And second luminescence unit 120, in order to secondary light source 122 to be provided.First light source 112 has multiple different colours, and secondary light source 122 is made up of solid color.First light source 112 forms emergent light 132 with secondary light source 122 after mixing.
Light source module of the present invention does not exceed with the foregoing description, and can have other different enforcement kenel.For the purpose of simplifying the description and be easy to comparison, in other preferred embodiment of the present invention hereinafter, continue to use identical symbolic representation, and only the different place of each embodiment is detailed for similar elements.
Please refer to Fig. 3.Fig. 3 is the sketch map of the light source module of second preferred embodiment of the present invention.As shown in Figure 3; The light source module 200 of present embodiment comprises LGP 130 in addition; LGP 130 comprises first incidence surface 134, second incidence surface 136 and exiting surface 138; Wherein first incidence surface 134 is relative with exiting surface 138, and second incidence surface 136 is connected with exiting surface 138 with first incidence surface 134 respectively.That is to say that in the present embodiment, first incidence surface 134 is the upper surface of LGP 130, second incidence surface 136 is the side of LGP 130, and exiting surface 138 then is the lower surface of LGP 130.First luminescence unit 110 is towards first incidence surface 134, and second luminescence unit 120 is towards second incidence surface 136.First light source 112 is got in the LGP 130 by first incidence surface 134 and second incidence surface 136 respectively with secondary light source 122, after mixing, forms emergent light 132, and its exiting surface 138 is towards object to be thrown light on.
Please refer to Fig. 4 to Fig. 5, and in the lump with reference to figure 2 and Fig. 3.Fig. 4 be first and second preferred embodiment of the present invention light source module first implement the appearance attitude spectral distribution graph, Fig. 5 be first and second preferred embodiment of the present invention light source module second implement kind attitude spectral distribution graph.As shown in Figure 4, first light source 112 has multiple different colours, and first light source 112 has the first spatial distribution SP1; Secondary light source 122 is made up of solid color, and secondary light source has the second spatial distribution SP2, and the second spatial distribution SP2 is in order to compensate this first spatial distribution SP1.The first spatial distribution SP1 of first light source 112 forms emergent light 132 with the second spatial distribution SP2 of secondary light source 122 and has the 3rd spatial distribution SP3 after mixing, and the CRI of emergent light 132 is greater than the CRI of first light source 112 and the CRI of secondary light source 122.In like manner, as shown in Figure 5, first light source 112 has multiple different colours, and first light source 112 has the first spatial distribution SP1; Secondary light source 122 is made up of solid color, and secondary light source 122 has the second spatial distribution SP2.The first spatial distribution SP1 of first light source 112 forms emergent light 132 with the second spatial distribution SP2 of secondary light source 122 and has the 3rd spatial distribution SP3 after mixing, and the CRI of emergent light 132 is greater than the CRI of first light source 112 and the CRI of secondary light source 122.
The light source module 100,200 of first and second preferred embodiment of the present invention can have following several different enforcement appearance attitudes.For example; As shown in Figure 4; First implements the light source module 100 of appearance attitude; 200, wherein the multiple different colours (for example red, green and blue) of the solid color of secondary light source 122 (for example blue) and first light source 112 one is same color wherein, can be in order to the defective of wherein a kind of color (for example blueness) of compensating first light source 112; For example lower luminous efficiency, relatively poor stability, short life-span etc., and then make and mix photochromic (the for example white) that emergent light 132 that the back forms reaches institute's desire performance.
For example; As shown in Figure 5; Second implements the light source module 100,200 of appearance attitude, and wherein the solid color of secondary light source 122 (for example blue) is a different colours with the multiple color (for example red and green) of first light source 112; Can be in order to compensating the deficiency of first light source, 112 colors (for example blue), and then make and mix photochromic (the for example white) that emergent light 132 that the back forms reaches institute's desire performance.
Moreover, like Fig. 4 or shown in Figure 5, the light source module 100,200 of first and second preferred embodiment, wherein first luminescence unit 110 can include the OLED unit, and second luminescence unit 120 can comprise light emitting diode (LED) unit.Because lower, the less stable of luminous efficiency of the blue light material that OLED uses, the life-span has only one of percentage of ruddiness or green light material, and the blue light material that the dark blue light positive that LED sends can be supplied OLED well on the efficient, stability and the defective on the life-span.Therefore such combination (OLED+LED) compared with only doing combination (OLED+OLED or LED+LED) with OLED or LED itself, has better effect on photochromic.For instance, as shown in Figure 1, even when the white light that is sent by the OLED of a high power efficiency carries out the object illumination, naked eyes seem still to appear yellow slightly partially white light, promptly hang down the white light of colour temperature.When with this optical illumination object, may not produce natural color fully.If change with above-mentioned combination (OLED+LED) this moment,, can reach preferable photochromic effect like Fig. 4 or shown in Figure 5.
From the above, the light source module 100,200 of first and second preferred embodiment mixes back formation emergent light 132 with first light source 112 of first luminescence unit 110 with the secondary light source 122 of second luminescence unit 120.First light source 112 has multiple different colours and has the first spatial distribution SP1, and secondary light source 122 is made up of solid color and has second a spatial distribution SP2.The first spatial distribution SP1 of first light source 112 and the second spatial distribution SP2 of secondary light source 122 form the 3rd spatial distribution SP3 of emergent light 132 after mixing, and the CRI of emergent light 132 is greater than the CRI of first light source 112 and the CRI of secondary light source 122.Just can compensate the defective or the deficiency of first light source, 112 colors thus, for example lower luminous efficiency, relatively poor stability, short life-span etc., and then make and mix the emergent light 132 that the back forms and reach the photochromic of institute's desire performance.
The light source module 200 of second preferred embodiment of the present invention can have following several different enforcement appearance attitudes in addition.Please refer to Fig. 6.Fig. 6 be second preferred embodiment of the present invention light source module the 3rd implement the appearance attitude spectral distribution graph.As shown in Figure 6; The 3rd implements the light source module 200 of appearance attitude; First luminescence unit 110 can include the OLED unit; And first light source 112 has multiple different colours; Second luminescence unit 120 can comprise at least one light emitting diode, and secondary light source 122 has at least a color, and wherein the multiple different colours of at least a color of secondary light source 122 (for example blue) and first light source 112 (for example red, green with blueness) one is same color wherein; Can be in order to the defective of wherein a kind of color of compensating first light source 112 (for example blue) (for example lower luminous efficiency, relatively poor stability, short life-span etc.), and then make and mix photochromic (the for example white) that emergent light 132 that the back forms reaches institute's desire performance.This moment is if secondary light source 122 also comprises another kind of color (for example green), then can make emergent light 132 reach desire photochromic (the for example bright green) of modulation.
Please refer to Fig. 7.Fig. 7 be second preferred embodiment of the present invention light source module the 4th implement the appearance attitude spectral distribution graph.As shown in Figure 7; The 4th implements the light source module 200 of appearance attitude; Wherein at least a color of secondary light source 122 (for example blue) is a different colours with the multiple color (for example red and green) of first light source 112; Can be in order to compensating the deficiency of first light source, 112 colors (for example blue), and then make and mix photochromic (the for example white) that emergent light 132 that the back forms reaches institute's desire performance.This moment is if secondary light source 122 also comprises another kind of color (for example green), then can make emergent light 132 reach desire photochromic (the for example bright green) of modulation.
Different with aforementioned first and second enforcement appearance attitude is; The secondary light source 122 of the light source module 200 of the 3rd and the 4th enforcement appearance attitude has at least a color; That is secondary light source 122 can have solid color or multiple color, and the aforementioned secondary light source 122 that first and second implements the light source module 200 of appearance attitude is made up of solid color.
From the above; The light source module 200 that the appearance attitude is implemented in the 3rd and the 4th of second preferred embodiment with first luminescence unit 110 (a for example Organic Light Emitting Diode unit) towards first incidence surface 134 of LGP 130 in order to provide first light source, 112, the second luminescence units 120 (a for example light emitting diode) towards second incidence surface 136 of LGP 130 in order to secondary light source 122 to be provided.First light source 112 has multiple different colours, and 122 of secondary light sources have at least a color.First light source 112 is got in the LGP 130 by first incidence surface 134 and second incidence surface 136 respectively with secondary light source 122, after mixing, forms emergent light 132, and its exiting surface 138 is towards object to be thrown light on.Secondary light source 122 can compensate the defective (for example lower luminous efficiency, relatively poor stability, short life-span etc.) of first light source, 112 colors or not enough, and then makes and mix the emergent light 132 that the back forms and reach the photochromic of institute's desire performance.This moment is if secondary light source 122 also comprises another kind of color, then can make emergent light 132 reach desire the photochromic of modulation.
In sum; Light source module of the present invention utilizes two luminescence units that two groups of independently light sources are provided respectively; And with two groups of light sources mixing back formation emergent lights; Compensate the defective (for example lower luminous efficiency, relatively poor stability, short life-span etc.) of the color of one of them light source or not enough, and then make and mix the emergent light that the back forms and reach the photochromic of institute's desire performance, promoted the OLED light fixture in the effect on blue light, the white-light illuminating and solve the restriction on its service life.In addition, light source module of the present invention also has the photochromic function of modulation, has satisfied the different photochromic demand of light fixture when various different situations are thrown light on.Light source module of the present invention is not limited to be applied to illumination, also can be applicable to for example backlight liquid crystal display module of other field.
The above is merely preferred embodiment of the present invention, and all equalizations of doing according to claim of the present invention change and modify, and all should belong to covering scope of the present invention.
Claims (14)
1. a light source module is characterized in that, comprises:
One first luminescence unit, in order to one first light source to be provided, this first light source has multiple different colours, and this first light source has one first spatial distribution; And
One second luminescence unit, in order to a secondary light source to be provided, this secondary light source has solid color, and this secondary light source has one second spatial distribution;
Wherein this second spatial distribution is in order to compensate this first spatial distribution.
2. light source module according to claim 1 is characterized in that, this solid color of this secondary light source and the said color of this first light source one be same color wherein.
3. light source module according to claim 2 is characterized in that, this solid color of this secondary light source is blue, and the said color of this first light source comprises redness, green and blue.
4. light source module according to claim 1 is characterized in that, this solid color of this secondary light source and the said color of this first light source are different colours.
5. light source module according to claim 4 is characterized in that, this solid color of this secondary light source is blue, and the said color of this first light source comprises red and green.
6. light source module according to claim 1 is characterized in that, this first luminescence unit comprises an Organic Light Emitting Diode unit, and this second luminescence unit comprises a light emitting diode.
7. light source module according to claim 1; It is characterized in that; Other comprises a LGP; This LGP comprises one first incidence surface, one second incidence surface and an exiting surface, and wherein this first incidence surface is relative with this exiting surface, and this second incidence surface is connected with this exiting surface with this first incidence surface respectively.
8. light source module according to claim 7 is characterized in that, this first luminescence unit is towards this first incidence surface, and this second luminescence unit is towards this second incidence surface.
9. a light source module is characterized in that, comprises:
One LGP, it comprises one first incidence surface, one second incidence surface and an exiting surface, and wherein this first incidence surface is relative with this exiting surface, and this second incidence surface is connected with this exiting surface with this first incidence surface respectively;
One first luminescence unit, towards this first incidence surface, in order to one first light source to be provided, wherein this first light source has multiple different colours, and this first luminescence unit comprises an Organic Light Emitting Diode unit; And
One second luminescence unit, towards this second incidence surface, in order to a secondary light source to be provided, wherein this secondary light source has at least a color, and this second luminescence unit comprises at least one light emitting diode.
10. light source module according to claim 9 is characterized in that, the said color of at least a color of this of this secondary light source and this first light source one be same color wherein.
11. light source module according to claim 10 is characterized in that, at least a color of this of this secondary light source is blue, and the said color of this first light source comprises redness, green and blue.
12. light source module according to claim 9 is characterized in that, the said color of at least a color of this of this secondary light source and this first light source is a different colours.
13. light source module according to claim 12 is characterized in that, at least a color of this of this secondary light source is blue, and the said color of this first light source comprises red and green.
14. light source module according to claim 9 is characterized in that, this secondary light source has multiple different colours.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW100130710A TWI445898B (en) | 2011-08-26 | 2011-08-26 | Illumination module with multiple sets of light sources |
| TW100130710 | 2011-08-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102374437A true CN102374437A (en) | 2012-03-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103459951A Pending CN102374437A (en) | 2011-08-26 | 2011-11-02 | Light source module with multiple light sources |
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| Country | Link |
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| CN (1) | CN102374437A (en) |
| TW (1) | TWI445898B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110160014A (en) * | 2019-05-23 | 2019-08-23 | 欧普照明股份有限公司 | A kind of illuminator |
| CN111123578A (en) * | 2018-10-30 | 2020-05-08 | 群创光电股份有限公司 | Light emitting device |
| WO2020233578A1 (en) * | 2019-05-23 | 2020-11-26 | 苏州欧普照明有限公司 | Illumination lamp |
| CN110160014B (en) * | 2019-05-23 | 2024-04-26 | 欧普照明股份有限公司 | Lighting lamp |
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- 2011-08-26 TW TW100130710A patent/TWI445898B/en not_active IP Right Cessation
- 2011-11-02 CN CN2011103459951A patent/CN102374437A/en active Pending
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| US20050002191A1 (en) * | 2001-05-24 | 2005-01-06 | Masanori Shimizu | Illumination light source |
| CN1558841A (en) * | 2001-11-19 | 2004-12-29 | ��Τ���˵á����Ͷ� | Optical anti-dazzle apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111123578A (en) * | 2018-10-30 | 2020-05-08 | 群创光电股份有限公司 | Light emitting device |
| CN111123578B (en) * | 2018-10-30 | 2022-10-21 | 群创光电股份有限公司 | Light emitting device |
| CN110160014A (en) * | 2019-05-23 | 2019-08-23 | 欧普照明股份有限公司 | A kind of illuminator |
| WO2020233578A1 (en) * | 2019-05-23 | 2020-11-26 | 苏州欧普照明有限公司 | Illumination lamp |
| US11644164B2 (en) | 2019-05-23 | 2023-05-09 | Suzhou Opple Lighting Co., Ltd. | Lighting fixture |
| CN110160014B (en) * | 2019-05-23 | 2024-04-26 | 欧普照明股份有限公司 | Lighting lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201309958A (en) | 2013-03-01 |
| TWI445898B (en) | 2014-07-21 |
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Application publication date: 20120314 |