CN105449081A - Light emission module - Google Patents
Light emission module Download PDFInfo
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- CN105449081A CN105449081A CN201410512595.9A CN201410512595A CN105449081A CN 105449081 A CN105449081 A CN 105449081A CN 201410512595 A CN201410512595 A CN 201410512595A CN 105449081 A CN105449081 A CN 105449081A
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- 239000000463 material Substances 0.000 claims abstract description 131
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- 229910052736 halogen Inorganic materials 0.000 claims description 9
- 150000002367 halogens Chemical class 0.000 claims description 9
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- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 3
- 238000003786 synthesis reaction Methods 0.000 claims description 3
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- 241001025261 Neoraja caerulea Species 0.000 abstract description 10
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 230000005611 electricity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- -1 reflector Substances 0.000 description 1
- 230000002087 whitening effect Effects 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
- H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
- H01L25/075—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/50—Wavelength conversion elements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/481—Disposition
- H01L2224/48135—Connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip
- H01L2224/48137—Connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip the bodies being arranged next to each other, e.g. on a common substrate
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- Microelectronics & Electronic Packaging (AREA)
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- Condensed Matter Physics & Semiconductors (AREA)
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- Led Device Packages (AREA)
Abstract
The present invention provides a light emission module. The light emission module provides a good white-light color rendering property so as to accord with a 'white' effect expected in application occasions. The light emission module comprises: a (circuit) substrate, and at least one ultraviolet light emitter and at least one blue ray emitter which are arranged on the substrate, the light wave length of the ultraviolet light emitter being 380nm to 420nm, the light wave length of the blue ray emitter being 440nm to 470nm; and a wavelength conversion layer consisting of first wavelength conversion materials and second wavelength conversion materials and configured to receive the light emitted by the ultraviolet light emitter and the blue ray emitter, the light of the ultraviolet light emitter being excited to generate a visible light which is used for convert the light of the blue ray emitter to a white light, a pure white total output spectrum being obtained after mixing lights.
Description
Technical field
The present invention relates to a kind of structure of light emission module; Refer to that one makes ultraviolet light emission body, blue light-emitting body combined wave length transition material especially, provide white to export the operator of the light emission system of light.
Background technology
Application light-emitting diode (LightEmittingDiode, or claim LED) form light source or lighting device, be existing skill, and be widely used in many occasions or environment.In existing skill, export light to obtain white, on the environment being incident upon displaying or commodity, the light including application blue-ray LED excites yellow fluorescent powder or phosphor, produces the light emitting module of white light; Apply the means such as red, blue, green LED mixing composition white-light emitting module.
In order to obtain good white light color rendering or white light manifests effect, existing skill has also disclosed a kind of wave-length coverage of applying and has arranged a material for transformation of wave length (such as at the blue light-emitting diode of 440nm ~ 460nm, the fluorescent material of wavelength 500nm ~ 780nm or phosphor), that the light of blue-ray LED is converted to by material for transformation of wave length is green ~ red colored light, mix the dark blue light-emitting diode of an emission wavelength range at 400nm ~ 440nm, and the white light output effect of " pure white " ＂ can be obtained.
The colored light of green ~ redness that above-mentioned technology makes material for transformation of wave length be converted to by the light of blue-ray LED, combination one dark blue-ray LED launches the dark blue light of a certain amount of wavelength or short wavelength, and obtains white output light; The light of described dark blue-ray LED does not change its wavelength through material for transformation of wave length, and the light that described dark blue-ray LED is launched is not normal blueness, just can reach whole light emitting module and export " the effect of pure white ＂ white light.
One about this kind of white light emission module in the problem of structure and application aspect is, existing skill cannot according to item property, environment or application conditions, and the white light of adjustment white light emission module manifests effect or the uneven situation of mixed light.
Representational, these references show the design skill about related composite structures such as white light emission modules.If the LED of this white light emission module and the combining structure of material for transformation of wave length are considered in overline design, make it construct and be different from those existing, its use kenel can be changed, and be different from old law; In fact, also can improve its application scenarios, the white light improving it manifests the effects such as effect.Further, make existing skill produce the uneven situation of mixed light, dropped to minimum as much as possible.And these problems in above-mentioned reference all not by teaching or specifically disclose.
Summary of the invention
So namely main purpose of the present invention is to provide a kind of light emission module, provide a preferably white light color rendering, make the waveform of this LED light line level off to the waveform of conventional halogen lamp, to meet " whitening ＂ " effect desired by many application scenarios.
For achieving the above object, the technical solution used in the present invention is:
A kind of light emission module, is characterized in that, comprising:
One substrate;
Be arranged at least one ultraviolet light emission body on substrate and blue light-emitting body; The wavelength of light of this ultraviolet light emission body is 380nm ~ 420nm, and the wavelength of light of blue light-emitting body is 440nm ~ 470nm;
On the opticpath of ultraviolet light emission body and blue light-emitting body, arrange a wavelength conversion layer, wavelength conversion layer has first wave length transition material and second wave length transition material; First wave length transition material comprises at least one UV fluorescent material, and second wave length transition material comprises at least one fluorescent material;
First wave length transition material receives the light of conversion ultraviolet light emission body, produces the colored light of color temperature scope 2000K ~ 18000K; Second wave length transition material receives the light exciting blue light-emitting body, the conversion of the light of blue light-emitting body is produced the colored light of color temperature scope 2000K ~ 18000K; The total output spectrum of a white light is obtained after mixed light.
In described light emission module: this ultraviolet light emission body is a ultraviolet light-emitting diodes; Blue light-emitting body is a blue light-emitting diode;
This first wave length transition material comprise blue light, green glow, ruddiness UV fluorescent material at least one of them; And
This second wave length transition material comprise Huang, green, red fluorescent material at least one of them.
In described light emission module: this first wave length transition material mixing second wave length transition material, is arranged on ultraviolet light emission body, blue light-emitting body, or wavelength conversion layer is arranged on distance ultraviolet light emission body, blue light-emitting body one height and position.
In described light emission module: the first wave length transition material of this wavelength conversion layer forms first wave length conversion layer; Second wave length transition material forms second wave length conversion layer;
First wave length conversion layer and second wave length conversion layer are stacked synthesis one multilayer structure; And
First wave length conversion layer, second wave length conversion layer is arranged on ultraviolet light emission body, blue light-emitting body, or first wave length conversion layer, and second wave length conversion layer is arranged on distance ultraviolet light emission body, blue light-emitting body one height and position.
In described light emission module: the first wave length transition material of this wavelength conversion layer forms first wave length conversion layer; Second wave length transition material forms second wave length conversion layer;
First wave length conversion layer is arranged on ultraviolet light emission body, or is arranged on apart from this ultraviolet light emission body one height and position;
Second wave length conversion layer is arranged on blue light-emitting body, or is arranged on apart from this blue light-emitting body one height and position.
In described light emission module: the first wave length transition material of this wavelength conversion layer converts the light that ultraviolet light emission body is launched to colored light; Described colored light comprises white light, one of them to red visible green, and its emission wavelength range is 500nm ~ 660nm; And
The light of blue light-emitting body is converted to white light and exports by this second wave length transition material.
In described light emission module: the colored light that the light that ultraviolet light emission body is launched converts to is included the green visible of 520nm ~ 560nm and red visible two wave bands of 610nm ~ 650nm by the first wave length transition material of this wavelength conversion layer.
In described light emission module: this ultraviolet light emission body combination first wave length transition material, blue light-emitting body combination second wave length transition material, common acquisition one spectrum; And the scope of described spectrum is same as the spectral region of Halogen lamp LED.
In described light emission module: this substrate is one of them of a metal substrate, circuit substrate and ceramic substrate, is arranged on the bottom of a lightguide;
Lightguide is an optical reflection element, includes a reflecting wall and the opening being connected reflecting wall;
Reflecting wall is a reflector with reflecting material; And
Reflecting wall for benchmark, forms the structure of a geometric form profile with a reference axis.
In described light emission module: this substrate is provided with a plurality of ultraviolet light emission body of being arranged and blue light-emitting body, form series and parallel connections at least one of them electric connection, and jointly set up the light emission module of a luminous tandem.
Compared with prior art, the beneficial effect that the present invention has is:
(such as, ultraviolet light emission body, blue light-emitting body combined wave length conversion layer or light that ultraviolet light emission body, blue light-emitting body are launched excite this first wave length transition material including UV fluorescent material (first wave length conversion layer), second wave length transition material (second wave length converter section) respectively for this light emission module or its relevant coupling unit; Coordinate substrate that the parts such as lightguide are set) in use and structural design, membership credentials etc., considered by overline design, make it be different from the combining structure of existing LED and material for transformation of wave length, and be different from old law; Further, change its use kenel and range of application, the white light also significantly improving it manifests effect, makes existing skill produce the uneven situation of mixed light, is dropped to minimum as much as possible.
Particularly, the white light output effect that light emission module provides or color rendering etc., obviously can improve existing skill cannot according to item property, environment or application conditions, and adjustment white light manifests the situation of effect or wavelength output area.
Accompanying drawing explanation
Fig. 1 is the structural representation of light emission module installation of the present invention combination lightguide;
Fig. 2 is the partial structurtes schematic diagram of Fig. 1; Show the architectural scenarios of the parts such as this ultraviolet light emission body, blue light-emitting body combined wave length conversion layer, substrate;
Fig. 2 A is the structure cross-sectional schematic of one embodiment of the invention; Depict the architectural scenarios that this wavelength conversion layer is arranged on distance ultraviolet light emission body, blue light-emitting body one setting height;
Fig. 3 is the structure cross-sectional schematic of one embodiment of the invention; Depict this ultraviolet light emission body, architectural scenarios that blue light-emitting body arranges wavelength conversion layer respectively;
Fig. 3 A is a spectrum schematic diagram of light emission module of the present invention; The wavelength of light output area of display ultraviolet light emission body, blue light-emitting body combined wave length conversion layer;
Fig. 3 B is another spectrum schematic diagram of light emission module of the present invention; The wavelength of light output area of display ultraviolet light emission body, blue light-emitting body combined wave length conversion layer;
Fig. 3 C is the another spectrum schematic diagram of light emission module of the present invention; Describe the wavelength of light output area of ultraviolet light emission body, blue light-emitting body combined wave length conversion layer;
Fig. 3 D is a spectrum schematic diagram again of light emission module of the present invention; The wavelength of light output area of display ultraviolet light emission body, blue light-emitting body combined wave length conversion layer;
Fig. 3 E is a spectrum schematic diagram of light emission module of the present invention; Describe ultraviolet light emission body, the wavelength of light output area of blue light-emitting body combined wave length conversion layer and the situation of Halogen lamp LED spectrum;
Fig. 4 is of the present invention one structural representation revising embodiment; Show substrate be configured with a plurality of be arranged ultraviolet light emission body, blue light-emitting body architectural scenarios;
Fig. 5 is a spectrum schematic diagram of light emission module of the present invention;
Fig. 6 is the structural representation of another correction embodiment of the present invention; Depict the architectural scenarios that substrate is configured with a plurality of the ultraviolet light emission body, blue light-emitting body and a plurality of secondary light emitter that are arranged;
Fig. 7 is the spectrum schematic diagram of Fig. 6 embodiment.
Description of reference numerals: 10 substrates; 20 ultraviolet light emission bodies; 30 blue light-emitting body; 40 wavelength conversion layers; 41 first wave length conversion layers; 42 second wave length conversion layers; 50 lightguides; 51 reflecting walls; 52 openings; Bottom 53; 60 secondary light emission bodies; A, B, C, D, E, F spectrum; χ reference axis.
Embodiment
Refer to Fig. 1, Fig. 2 and Fig. 3, light emission module of the present invention comprises the substrate of one one-tenth geometric form profile, generally represents with Ref. No. 10.Substrate 10 selects one can conduct electricity, the metal substrate of heat conduction (such as, copper base, aluminium base ... Deng) or circuit substrate, ceramic substrate etc.; Substrate 10 is provided with at least one ultraviolet light emission body 20 and at least one blue light-emitting body 30.This ultraviolet light emission body 20 selects a ultraviolet light-emitting diodes, and the scope of wavelength of light or spectral region are 380nm ~ 420nm; Blue light-emitting body 30 selects a blue light-emitting diode, and the scope of wavelength of light or spectral region are 440nm ~ 470nm.And, arrange a wavelength conversion layer 40, in order at least to receive the light of this ultraviolet light emission body 20 and blue light-emitting body 30 transmitting; Further, excite the light of ultraviolet light emission body to produce a visible ray, convert the light of blue light-emitting body to white light, after mixed light, obtain a pure white total output spectrum.
Please refer to Fig. 1, Fig. 2, in adopted embodiment, wavelength conversion layer 40 comprises first wave length transition material and second wave length transition material.First wave length transition material is changed or is excited ultraviolet light emission body 20 to produce the visible ray (such as, the colored light of reference color temperature 2000K ~ 18000K) of an expectation; Second wave length transition material is changed or is excited blue light-emitting body 30 to produce the visible ray (such as, the colored light of reference color temperature 2000K ~ 18000K) of an expectation.Wavelength conversion layer 40 includes the combination of at least one fluorescent material (such as, fluorescent material, fluorescer or phosphor) and/or multicolour UV fluorescent material; Such as, green, yellow, red fluorescence powder etc.
Therefore, the first wave length transition material of wavelength conversion layer 40 comprises at least one UV fluorescent material (such as, UV fluorescent material, UV fluorescer or UV phosphor) or the combination of multicolour UV fluorescent material, the light that ultraviolet light emission body 20 is launched can be converted to white light or other colored lights (such as, green ~ red colored light waiting visible ray or emission wavelength range 500nm ~ 660nm); And the second wave length transition material of wavelength conversion layer 40 comprises at least one fluorescent material, converts the light that blue light-emitting body 30 is launched to white light, and makes whole light emission module obtain total output spectrum of pure white white.
Preferably, the wave-length coverage of above-mentioned visible ray includes two main wave bands such as the green visible of 520nm ~ 560nm and red (orange) look visible ray of 610nm ~ 650nm.
Fig. 2 depicts the first wave length transition material mixing second wave length transition material of wavelength conversion layer 40, the structure kenel of setting or this ultraviolet light emission body 20 coated and blue light-emitting body 30.Apprehensible, wavelength conversion layer 40 also can be arranged on the position of distance ultraviolet light emission body 20 and blue light-emitting body 30 1 setting height.
Refer to Fig. 2 A, Fig. 3, in a feasible embodiment, the first wave length transition material of this wavelength conversion layer 40 forms first wave length conversion layer 41; Second wave length transition material forms second wave length conversion layer 42.Fig. 2 A shows first wave length conversion layer 41 and second wave length conversion layer 42 is stacked synthesis one multilayer structure, is arranged on the position (or being arranged on ultraviolet light emission body 20 and blue light-emitting body 30) apart from this ultraviolet light emission body 20 and blue light-emitting body 30 1 setting height.Fig. 3 shows first wave length conversion layer 41 and is arranged on ultraviolet light emission body 20; Second wave length conversion layer 42 is arranged in structure kenel on blue light-emitting body 30 (or making first wave length conversion layer 41 and second wave length conversion layer 42 be separately positioned on position apart from this ultraviolet light emission body 20 and blue light-emitting body 30 1 setting height).
Therefore, the UV fluorescent material of the ultraviolet excitation first wave length conversion layer 41 that ultraviolet light emission body 20 is launched, and conversion produces white light or green ~ red visible (such as, the colored light of emission wavelength range 500nm ~ 660nm).Second wave length conversion layer 42 mainly includes yellow fluorescent powder; The blue-light excited second wave length conversion layer 42 that blue light-emitting body 30 is launched, and conversion produces white output light; Further, the white light that described white output light and above-mentioned ultraviolet light emission body 20, first wave length conversion layer 41 conversion produce or green ~ red visible mixing export, and set up the light emission module that has preferably white light color rendering.
Can recognize from Fig. 2, Fig. 2 A, Fig. 3, at least one fluorescent material can be incorporated into few a kind of UV fluorescent material by the wavelength conversion layer 40 of Fig. 2; Wavelength conversion layer 40 (or first wave length conversion layer 41, second wave length conversion layer 42) is set as the structure of cladding or at least two layers by Fig. 2 A system; First wave length conversion layer 41, second wave length conversion layer 42 are separately positioned on the structure on ultraviolet light emission body 20, blue light-emitting body 30 by Fig. 3 system.
Fig. 3 A depicts the situation that this first wave length transition material or first wave length conversion layer 41 apply blue light UV fluorescent material; Transverse axis is wavelength (nm), and the longitudinal axis is intensity.Spectrum A in figure shows the wavelength of light output area that blue light-emitting body 30 combines second wave length conversion layer 42; Spectrum B shows the wavelength of light output area that ultraviolet light emission body 20 combines first wave length transition material or first wave length conversion layer 41.Therefore, ultraviolet light emission body 20 and first wave length transition material (or first wave length conversion layer 41) improve blue laser output amount.
Fig. 3 B depicts the situation that this first wave length transition material or first wave length conversion layer 41 apply green glow UV fluorescent material.Spectrum A in figure shows the wavelength of light output area that blue light-emitting body 30 combines second wave length conversion layer 42; Spectrum C shows the wavelength of light output area that ultraviolet light emission body 20 combines first wave length transition material or first wave length conversion layer 41.Therefore, ultraviolet light emission body 20 and first wave length transition material (or first wave length conversion layer 41) improve green glow output variable.
Fig. 3 C depicts the situation that this first wave length transition material or first wave length conversion layer 41 apply ruddiness UV fluorescent material.Spectrum A in figure shows the wavelength of light output area that blue light-emitting body 30 combines second wave length conversion layer 42; Spectrum D shows the wavelength of light output area that ultraviolet light emission body 20 combines first wave length transition material or first wave length conversion layer 41.Therefore, ultraviolet light emission body 20 and first wave length transition material (or first wave length conversion layer 41) improve ruddiness output variable.
Fig. 3 D depicts the situation that this first wave length transition material or first wave length conversion layer 41 include blue light UV fluorescent material, green glow UV fluorescent material and ruddiness UV fluorescent material.Spectrum A in figure shows the wavelength of light output area that blue light-emitting body 30 combines second wave length conversion layer 42; The light that spectrum B shows ultraviolet light emission body 20 excites the blue light wavelength output area of the blue light UV fluorescent material of first wave length transition material or first wave length conversion layer 41; The light that spectrum C shows ultraviolet light emission body 20 excites the green wavelength output area of the green glow UV fluorescent material of first wave length transition material or first wave length conversion layer 41; The light that spectrum D shows ultraviolet light emission body 20 excites the red light wavelength output area of the ruddiness UV fluorescent material of first wave length transition material or first wave length conversion layer 41.
Refer to Fig. 3 E, above-mentioned spectrum A, B, C, D obtain the wavelength of light output area of spectrum E jointly.The scope of scope close to the spectrum F of Halogen lamp LED of spectrum E is also show in figure; Therefore, above-mentioned application ultraviolet light emission body 20 and blue light-emitting body 30 combined wave length conversion layer 40 can be understood (such as, first wave length transition material, second wave length transition material or first wave length conversion layer 41, second wave length conversion layer 42), the white light that can obtain as Halogen lamp LED manifests effect, and is obviously better than the white light output effect of existing skill.
Refer to Fig. 1, Fig. 2 and Fig. 3, show the bottom 53 that this substrate 10 is arranged on a lightguide 50; Described lightguide 50 is an optical reflection element, includes a reflecting wall 51 and the opening 52 (or bright dipping aperture) being connected reflecting wall 51.Reflecting wall 51 is a reflector with reflecting material; Such as, reflector, metal surface or other materials can be selected to form the institutional framework of reflecting effect.And reflecting wall 51 for benchmark, forms the kenel of a bowl-like profile, parabolic outlines or other geometric form profiles with a reference axis χ.
In a feasible embodiment, this wavelength conversion layer 40 can be arranged on the position of distance ultraviolet light emission body 20 and/or blue light-emitting body 30 1 setting height; Such as, opening 52 position of lightguide 50.
Please refer to Fig. 4, substrate 10 is provided with a plurality of ultraviolet light emission body 20 of being arranged and blue light-emitting body 30, form the electrical connection of series connection and/or parallel connection, and jointly set up the light emission module of a luminous tandem; The Set scale of ultraviolet light emission body 20 and blue light-emitting body 30 is 1:2.Fig. 5 shows the spectrogram that this light emission module exports; That is, after tested, described embodiment can allow the color appearance index (CRI) of whole light emission module reach 80.
Refer to Fig. 6, in an embodiment revised, substrate 10 is provided with a plurality of the ultraviolet light emission body 20, blue light-emitting body 30 and a plurality of secondary light emitter 60 that are arranged, forms the electrical connection of series connection, and jointly set up the light emission module of a luminous tandem.Secondary light emission body 60 selects a red light-emitting diode (or green light LED, blue light-emitting diode), the scope of wavelength of light or spectral region is provided to be 610nm ~ 650nm (or 500nm ~ 580nm, 450nm ~ 500nm), the color rendering of whole light emission module is improved as much as possible, and increases the effect that white articles manifests original color; Such as, the situation described of the spectrogram of Fig. 7.That is, the embodiment that Fig. 6 discloses can allow the color appearance index of whole light emission module reach 90.
Apprehensible, secondary light emission body 60 can comprise the combination of red light-emitting diode, green light LED, blue light-emitting diode, and is mixed to form white light output.Secondary light beam 60 is wavelength conversion layer 40 capable of being combined also, make wavelength conversion layer 40 receive the light of this secondary light emission body 60 transmitting, and conversion produces white light or green ~ red visible.
In a derivative embodiment, suppose substrate 10 to be only provided with (a plurality of) ultraviolet light emission body 20, and make wavelength conversion layer 40 comprise at least three kinds of UV fluorescent materials (or UV fluorescent material, UV fluorescer, UV phosphor etc.); UV fluorescent material can select ruddiness, green glow, blue light UV fluorescent material etc.The light that ultraviolet light emission body 20 is launched can distinguish ruddiness, green glow, the blue-light fluorescent material of excitation wavelength conversion layer 40, and conversion produces ruddiness light, green glow light, blue light light, and is mixed to form white light output.
In above-mentioned derivative embodiment, suppose that wavelength conversion layer 40 arranges or be coated on several ultraviolet light emission body 20, other ultraviolet light emission body 20 does not combine and arranges wavelength conversion layer 40, and directly launches ultraviolet light; The white light that the ultraviolet light emission body 20 that then combination is provided with wavelength conversion layer 40 can inspire ruddiness light, green glow light, blue light light are formed jointly; The ultraviolet light mixing that described white light meeting and other ultraviolet light emission bodies 20 above-mentioned are launched exports.
Representational, this light emission module, having under the condition providing white light output effect, compared to old law, includes following advantage and consideration:
(such as, ultraviolet light emission body 20, blue light-emitting body 30 combined wave length conversion layer 40 or light that ultraviolet light emission body 20, blue light-emitting body 30 are launched excite this first wave length transition material including UV fluorescent material (first wave length conversion layer 41), second wave length transition material (second wave length converter section 42) respectively for this light emission module or its relevant coupling unit; Coordinate substrate 10 that part such as lightguide 10 grade is set) in use and structural design, membership credentials etc., considered by overline design, make it be different from the combining structure of existing LED and material for transformation of wave length, and be different from old law; Further, change its use kenel and range of application, the white light also significantly improving it manifests effect, makes existing skill produce the uneven situation of mixed light, is dropped to minimum as much as possible.
Particularly, the white light output effect or color rendering etc. that this light emission module provides can be understood from above-mentioned Fig. 3 A ~ Fig. 3 E, obviously can improve existing skill cannot according to item property, environment or application conditions, and adjustment white light manifests the situation of effect or wavelength output area.
Therefore system of the present invention provides an effective light emission module, and its technical characteristic system is different from those existing, and has advantage incomparable in old law, is present sizable progress, has really filled the important document that part meets patent of invention.
More than illustrate just illustrative for the purpose of the present invention; and nonrestrictive, those of ordinary skill in the art understand, when not departing from the spirit and scope that claim limits; many amendments, change or equivalence can be made, but all will fall within protection scope of the present invention.
Claims (22)
1. a light emission module, is characterized in that, comprising:
One substrate;
Be arranged at least one ultraviolet light emission body on substrate and blue light-emitting body; The wavelength of light of this ultraviolet light emission body is 380nm ~ 420nm, and the wavelength of light of blue light-emitting body is 440nm ~ 470nm;
On the opticpath of ultraviolet light emission body and blue light-emitting body, arrange a wavelength conversion layer, wavelength conversion layer has first wave length transition material and second wave length transition material; First wave length transition material comprises at least one UV fluorescent material, and second wave length transition material comprises at least one fluorescent material;
First wave length transition material receives the light of conversion ultraviolet light emission body, produces the colored light of color temperature scope 2000K ~ 18000K; Second wave length transition material receives the light exciting blue light-emitting body, the conversion of the light of blue light-emitting body is produced the colored light of color temperature scope 2000K ~ 18000K; The total output spectrum of a white light is obtained after mixed light.
2. light emission module according to claim 1, is characterized in that: this ultraviolet light emission body is a ultraviolet light-emitting diodes; Blue light-emitting body is a blue light-emitting diode;
This first wave length transition material comprise blue light, green glow, ruddiness UV fluorescent material at least one of them; And
This second wave length transition material comprise Huang, green, red fluorescent material at least one of them.
3. light emission module according to claim 1 and 2, it is characterized in that: this first wave length transition material mixing second wave length transition material, be arranged on ultraviolet light emission body, blue light-emitting body, or wavelength conversion layer is arranged on distance ultraviolet light emission body, blue light-emitting body one height and position.
4. light emission module according to claim 1 and 2, is characterized in that: the first wave length transition material of this wavelength conversion layer forms first wave length conversion layer; Second wave length transition material forms second wave length conversion layer;
First wave length conversion layer and second wave length conversion layer are stacked synthesis one multilayer structure; And
First wave length conversion layer, second wave length conversion layer is arranged on ultraviolet light emission body, blue light-emitting body, or first wave length conversion layer, and second wave length conversion layer is arranged on distance ultraviolet light emission body, blue light-emitting body one height and position.
5. light emission module according to claim 1 and 2, is characterized in that: the first wave length transition material of this wavelength conversion layer forms first wave length conversion layer; Second wave length transition material forms second wave length conversion layer;
First wave length conversion layer is arranged on ultraviolet light emission body, or is arranged on apart from this ultraviolet light emission body one height and position;
Second wave length conversion layer is arranged on blue light-emitting body, or is arranged on apart from this blue light-emitting body one height and position.
6. light emission module according to claim 1 and 2, is characterized in that: the first wave length transition material of this wavelength conversion layer converts the light that ultraviolet light emission body is launched to colored light; Described colored light comprises white light, one of them to red visible green, and its emission wavelength range is 500nm ~ 660nm; And
The light of blue light-emitting body is converted to white light and exports by this second wave length transition material.
7. light emission module according to claim 3, is characterized in that: the first wave length transition material of this wavelength conversion layer converts the light that ultraviolet light emission body is launched to colored light; Described colored light comprises white light, one of them to red visible green, and its emission wavelength range is 500nm ~ 660nm; And
The light of blue light-emitting body is converted to white light and exports by this second wave length transition material.
8. light emission module according to claim 4, is characterized in that: the first wave length transition material of this wavelength conversion layer converts the light that ultraviolet light emission body is launched to colored light; Described colored light comprises white light, one of them to red visible green, and its emission wavelength range is 500nm ~ 660nm; And
The light of blue light-emitting body is converted to white light and exports by this second wave length transition material.
9. light emission module according to claim 5, is characterized in that: the first wave length transition material of this wavelength conversion layer converts the light that ultraviolet light emission body is launched to colored light; Described colored light comprises white light, one of them to red visible green, and its emission wavelength range is 500nm ~ 660nm; And
The light of blue light-emitting body is converted to white light and exports by this second wave length transition material.
10. light emission module according to claim 1 and 2, is characterized in that: the colored light that the light that ultraviolet light emission body is launched converts to is included the green visible of 520nm ~ 560nm and red visible two wave bands of 610nm ~ 650nm by the first wave length transition material of this wavelength conversion layer.
11. light emission modules according to claim 3, is characterized in that: the colored light that the light that ultraviolet light emission body is launched converts to is included the green visible of 520nm ~ 560nm and red visible two wave bands of 610nm ~ 650nm by the first wave length transition material of this wavelength conversion layer.
12. light emission modules according to claim 4, is characterized in that: the colored light that the light that ultraviolet light emission body is launched converts to is included the green visible of 520nm ~ 560nm and red visible two wave bands of 610nm ~ 650nm by the first wave length transition material of this wavelength conversion layer.
13. light emission modules according to claim 5, is characterized in that: the colored light that the light that ultraviolet light emission body is launched converts to is included the green visible of 520nm ~ 560nm and red visible two wave bands of 610nm ~ 650nm by the first wave length transition material of this wavelength conversion layer.
14. light emission modules according to claim 1 and 2, is characterized in that: this ultraviolet light emission body combination first wave length transition material, blue light-emitting body combination second wave length transition material, common acquisition one spectrum; And the scope of described spectrum is same as the spectral region of Halogen lamp LED.
15. light emission modules according to claim 3, is characterized in that: this ultraviolet light emission body combination first wave length transition material, blue light-emitting body combination second wave length transition material, common acquisition one spectrum; And the scope of described spectrum is same as the spectral region of Halogen lamp LED.
16. light emission modules according to claim 4, is characterized in that: this ultraviolet light emission body combination first wave length transition material, blue light-emitting body combination second wave length transition material, common acquisition one spectrum; And the scope of described spectrum is same as the spectral region of Halogen lamp LED.
17. light emission modules according to claim 5, is characterized in that: this ultraviolet light emission body combination first wave length transition material, blue light-emitting body combination second wave length transition material, common acquisition one spectrum; And the scope of described spectrum is same as the spectral region of Halogen lamp LED.
18. light emission modules according to claim 1 and 2, is characterized in that: this substrate is one of them of a metal substrate, circuit substrate and ceramic substrate, is arranged on the bottom of a lightguide;
Lightguide is an optical reflection element, includes a reflecting wall and the opening being connected reflecting wall;
Reflecting wall is a reflector with reflecting material; And
Reflecting wall for benchmark, forms the structure of a geometric form profile with a reference axis.
19. light emission modules according to claim 1 and 2, it is characterized in that: this substrate is provided with a plurality of ultraviolet light emission body of being arranged and blue light-emitting body, form series and parallel connections at least one of them electric connection, and jointly set up the light emission module of a luminous tandem.
20. light emission modules according to claim 3, it is characterized in that: this substrate is provided with a plurality of ultraviolet light emission body of being arranged and blue light-emitting body, form series and parallel connections at least one of them electric connection, and jointly set up the light emission module of a luminous tandem.
21. light emission modules according to claim 4, it is characterized in that: this substrate is provided with a plurality of ultraviolet light emission body of being arranged and blue light-emitting body, form series and parallel connections at least one of them electric connection, and jointly set up the light emission module of a luminous tandem.
22. light emission modules according to claim 5, it is characterized in that: this substrate is provided with a plurality of ultraviolet light emission body of being arranged and blue light-emitting body, form series and parallel connections at least one of them electric connection, and jointly set up the light emission module of a luminous tandem.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410512595.9A CN105449081A (en) | 2014-09-29 | 2014-09-29 | Light emission module |
| PCT/CN2014/089177 WO2016049955A1 (en) | 2014-09-29 | 2014-10-22 | Light-emitting module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410512595.9A CN105449081A (en) | 2014-09-29 | 2014-09-29 | Light emission module |
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| CN105449081A true CN105449081A (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410512595.9A Pending CN105449081A (en) | 2014-09-29 | 2014-09-29 | Light emission module |
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| Country | Link |
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| CN (1) | CN105449081A (en) |
| WO (1) | WO2016049955A1 (en) |
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