CN102479888B - Method for filling and sealing fluorescent layer in groove space defined by two optical lenses and stripper loops - Google Patents
Method for filling and sealing fluorescent layer in groove space defined by two optical lenses and stripper loops Download PDFInfo
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- CN102479888B CN102479888B CN201010565766.6A CN201010565766A CN102479888B CN 102479888 B CN102479888 B CN 102479888B CN 201010565766 A CN201010565766 A CN 201010565766A CN 102479888 B CN102479888 B CN 102479888B
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- stripper loop
- groove
- skeleton frame
- fluorescent layer
- filling
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Abstract
The method discloses a method for filling and sealing a fluorescent layer in a groove space defined by two optical lenses and stripper loops. A groove space is formed by utilizing two pieces of optical glass and separation frame seats, wherein internal faces of the separation frame seats are provided with stripper loops; two corresponded hole grooves are arranged parallely on the separation frame seats, so that it is convenient to carry out vacuum processing on the groove space; meanwhile, the groove space is filled with fluorescent compounds and the hole grooves are sealed. Besides, the upper optical glass can be a flat lens or a convex lens. According to the invention, the manufactured structure enables moisture to be prevented from penetrating into the groove space and the mixed spectrum efficiency of the fluorescent layer can be ensured; and moreover, the manufactured structure can be made in advance and be provided for application for multilayer array type light emitting diode packaging; furthermore, lumen and light color determination can be carried out according to different application; therefore, optical applicability and packaging efficiency can be substantially improved.
Description
Technical field
The present invention relates to a kind of filling between the groove that two optical lenses and stripper loop define and the method for sealing fluorescent layer, relate in particular to and can completely fluorescence coating be sealed in to the method for two optical glass and fixing frame seat, and then block moisture and invade and the permanent optical performance of protecting, also can encapsulate for multi-layer array type light emitting diode.
Background technology
Light-emitting diode is a kind of solid-state semiconductor subassembly, utilize electric current to mutually combine by two kinds of carriers that produce in diode, form by energy with light discharges, and has that volume is light and handy, reaction speed is fast and the advantage such as high efficiency, makes light-emitting diode application gradually across each industrial circle of foot.
Refer to shown in Fig. 1, cutaway view for the packaging structure of multi-layer array type light-emitting diode of prior art, it includes a substrate 10a, one package module 12a, one lead frame 14a and a cover body 16a, this substrate 10a is located at the orlop of this encapsulating structure, this package module 12a is in order to be combined into one this substrate 10a and this lead frame 14a, LED crystal particle 18a and the substrate 10a of the promising arrayed of the upper installing of this substrate 10a are metal material, LED crystal particle 18a and this lead frame 14a also form electric connection, this cover body 16a with this package module 12a phase involution, wherein LED crystal particle 18a is formed with an insulating protective layer 20a, this insulating protective layer 20a is coated described LED crystal particle 18a, on this insulating protective layer 20a, form at least again a fluorescence coating 22a.
Yet the shortcoming of prior art is the moisture in the direct ingress of air of the fluorescence coating in LED crystal particle, well-known fluorescent chemicals meeting absorbing moisture, cause the characteristic variation of light, white light can decay to darker light from white light at leisure, last fluorescent chemicals loses the optical effect of mixed light, moreover fluorescence coating directly absorbs the heat energy producing when luminous, heat resisting temperature and the heat stability of general fluorescence coating are on the low side, once the heat of luminescence chip conducts to this fluorescence coating, by what cause fluorescent material, rottenly affect luminous efficiency and photochromism changes.
In addition fluorescent material is formed on luminescence chip with injection or coating method, often must use excessive fluorescent material to guarantee that on luminescence chip, uniform fold has fluorescence coating, cost wastes raw material very much, if fluorescence coating has flaw can cause luminescence chip cannot reclaim use in addition, moreover prior art need be after fluorescence coating processing procedure, just can carry out every optic test, so industry needs a kind ofly can to make in advance optic test, can save manufacturing cost, helps heat radiation and can mixed light and the package structure for LED of leaded light.
Summary of the invention
The object of the present invention is to provide a kind of filling between the groove that two optical lenses and stripper loop define and the method for sealing fluorescent layer, first one separation skeleton frame is provided, on this separation skeleton frame internal face, be equipped with a stripper loop, item face and this separation skeleton frame internal face of this stripper loop form a L-type structure, the bottom surface of this stripper loop and this separation skeleton frame internal face form an inverted L shape structure, wherein this separation skeleton frame be provided with two hole slots; By optical glass on one and once optical glass be disposed at respectively on the end face and bottom surface of this stripper loop, and make on this surface of optical glass and this L-type structure and the surface of this lower optical glass and this inverted L shape structure give involution to be integral, so that stripper loop of optical glass, this lower optical glass and this separation skeleton frame encloses between formation one groove jointly on this; This napex optical glass, this bottom optical glass and this fixing frame seat are positioned in a vacuum cavity; By these at least two hole slots, to vacuumizing processing between this groove, and a fluorescent chemicals is filled between this groove to form a fluorescence coating; And utilize one to cohere glue these at least two hole slots are filled out to envelope, or see through one and be coated with this rivet nut of cohering glue by these at least two hole slot involutions.
Accompanying drawing explanation
Fig. 1 is the cutaway view of the package structure for LED of prior art;
Fig. 2 fills in being the present invention between the groove that two optical lenses and stripper loop define and the method schematic diagram of sealing fluorescent layer;
Fig. 3 fills in being the present invention between the groove that two optical lenses and stripper loop define and the method schematic diagram of sealing fluorescent layer;
Fig. 4 fills in being the present invention between the groove that two optical lenses and stripper loop define and the method schematic diagram of sealing fluorescent layer;
Fig. 5 fills in being the present invention between the groove that two optical lenses and stripper loop define and the method schematic diagram of sealing fluorescent layer;
Fig. 6 fills in being the present invention between the groove that two optical lenses and stripper loop define and the method schematic diagram of sealing fluorescent layer;
Fig. 7 is the first embodiment schematic diagram of separation skeleton frame of the present invention;
Fig. 8 is the second embodiment schematic diagram of separation skeleton frame of the present invention;
Fig. 9 is the 3rd embodiment schematic diagram of separation skeleton frame of the present invention;
Figure 10 is an embodiment schematic diagram of upper optical lens of the present invention;
Figure 11 is the embodiment schematic diagram that composite of the present invention is applied to multi-layer array type light emitting diode;
Figure 12 is another embodiment schematic diagram that composite of the present invention is applied to multi-layer array type light emitting diode.
Embodiment
Those skilled in the art below coordinate Figure of description to do more detailed description to embodiments of the present invention, so that can implement according to this after studying this specification carefully.
Consult Fig. 2 to Fig. 6, for filling in during the present invention is between the groove that two optical lenses and stripper loop define and the method schematic diagram of sealing fluorescent layer, first one separation skeleton frame 1 is provided, as shown in Figure 2, wherein the internal face of this separation skeleton frame 1 is equipped with a stripper loop 11 inwardly, this stripper loop 11 has a face 111 and a bottom surface 113, this end face 111 forms a L-type structure with the internal face of this separation skeleton frame 1,113 of this bottom surfaces form an inverted L shape structure with the internal face of this separation skeleton frame 1, and this stripper loop 11 is at least provided with two hole slots 115 of correspondence each other.
This two hole slot 115 is logical to be located among this stripper loop 11 and correspondence is each other mutually, or this two hole slot 115 can be carved the surface that is located at this L-type structure, refer to Fig. 7, one openend of two hole slots 115 is positioned at the inner face place of this stripper loop 1, two its another openends are positioned at the item face place of this separation skeleton frame 1, and wherein two hole slots 115 also can lead to and are located in this separation skeleton frame 1.Be noted that, the allocation position of this two hole slot 115 and configuration quantity are depending on actual needs, at this, be only the example of explanation use, not in order to limit scope of invention, as long as can utilize hole slot that the interior outside of this separation skeleton frame 1 is connected, all fall within the scope of the present invention.
Wherein this separation skeleton frame 11 comprises glass, aluminium, bronze, pottery, and by aluminium, bronze at least one of them alloy forming at least one of them, or comprise polymeric liquid crystal copolymer (LiquidCrystal Polymer, LCP), polyphthalamide (Polyphthalamide, PPA) and all exotic materials at least one of them, the shape of this separation skeleton frame 11 comprise circle, ellipse and polygonal at least one of them.
Then by optical glass on one 3 and once optical glass 5 be positioned over respectively on the end face 111 and bottom surface 113 of this stripper loop 11, and the surface that makes the surface of optical glass on this 3 and this L-type structure and this lower optical glass 5 and this inverted L shape structure stick to seal and is integral, so the stripper loop 11 of optical glass 3 on this, this lower optical glass 5 and this separation skeleton frame 1 encloses between formation one groove 6 jointly, as shown in Figure 3.
Then, optical glass on this 3, this lower optical glass 5 are positioned in a vacuum cavity 7, as shown in Figure 4 with this separation skeleton frame 1.Then, by these at least two hole slots 115 simultaneously to 6 vacuumizing processing between this groove, simultaneously and make between this groove to be filled with a fluorescent chemicals in 6, to form a fluorescence coating 8 in 6 between this groove, as shown in Figure 5.
Finally utilize one to cohere glue 9 these at least two hole slots 115 are given to packing, as shown in Figure 6.And then this is cohered to glue 9 be poured in the space of these at least two hole slots 115, take and avoid this fluorescence coating 8 to produce the situation of leaking when liquid, also can see through in addition one and be coated with this rivet nut of cohering glue 9 (drawing does not show) by these at least two hole slots 115 involutions, wherein this cohere glue comprise UV cured glue, silica gel, epoxy resin (Expoxy) or pi (polyimide) at least one of them, this rivet nut comprise plastic material or metal material at least one of them.
Consulting Fig. 8, is the second embodiment schematic diagram of separation skeleton frame of the present invention.Wherein this two hole slot 115 carve respectively on the surface of being located at this stripper loop 11 and this two hole slot 115 in correspondence with each other each other, on this, optical glass 3 is also provided with two grooves 31, this two groove 31 is corresponding and be communicated in this two hole slot 115 respectively, for this, coheres in glue 9 these two hole slots of perfusion and this two groove.
Consulting Fig. 9, is the 3rd embodiment schematic diagram of separation skeleton frame of the present invention.By UV cured glue, silica gel, epoxy resin (Expoxy) or pi (polyimide), another system forms the stripper loop 11 of this separation skeleton frame 1.
Consulting Figure 10, is an embodiment schematic diagram of upper optical lens of the present invention.In Fig. 3 to Fig. 6, upper optical lens 3 or lower optical lens 5 can be flat-plate lens, are the convex lens of convex surface, to obtain different light guide effects yet upper optical glass 3 can also be a upper surface.
Consult Figure 11, for composite of the present invention is applied to an embodiment schematic diagram of multi-layer array type light emitting diode, consult Figure 12, for composite of the present invention is applied to another embodiment schematic diagram of multi-layer array type light emitting diode.One multi-layer array type light emitting diode comprises a substrate 1oo and a packaging body 200, this substrate 100 is positioned at the bottom part of this multi-layer array type light emitting diode, this substrate 100 is provided with a plurality of luminescence components 300, described luminescence component 300 is arranged on this substrate 100 in the mode of arrayed, described luminescence component 300 engages (Wire bonding) mode with routing and is located at envelope the relation that two lead frames 400 formation in packaging body 200 are electrically connected, on described luminescence component 300, be sequentially formed with a crystal grain protective layer 500 and a layer of silica gel 600, and this packaging body 200 as long as arrange the fixed frame groove 210 corresponding on the position corresponding to this separation skeleton frame 1, so can separate skeleton frame 1 with this assembles mutually, can demonstrate,prove thus, seeing through composite of the present invention can encapsulate with various LED encapsulating structures, wherein going up optical lens 3 can be also flat-plate lens.
The foregoing is only to explain preferred embodiment of the present invention; not attempt is done any pro forma restriction to the present invention according to this; therefore, all have under identical creation spirit, do relevant any modification of the present invention or change, all must be included in the category that the invention is intended to protection.
Claims (10)
1. between the groove that two optical lenses and stripper loop define, fill in and the method for sealing fluorescent layer, it is characterized in that, step comprises:
One separation skeleton frame is provided, on this separation skeleton frame internal face, be equipped with a stripper loop, the end face of this stripper loop and this separation skeleton frame internal face form a L-type structure, and the bottom surface of this stripper loop and this separation skeleton frame internal face form an inverted L shape structure, wherein this separation skeleton frame be provided with at least two hole slots;
By optical glass on one and once optical glass be disposed at respectively on the end face and bottom surface of this stripper loop, and make on this surface of optical glass and this L-type structure and the surface of this lower optical glass and this inverted L shape structure give involution to be integral, so that stripper loop of optical glass, this lower optical glass and this separation skeleton frame encloses between formation one groove jointly on this;
Optical glass, this lower optical glass and this separation skeleton frame on this are positioned in a vacuum cavity;
By these at least two hole slots, to vacuumizing processing between this groove, and a fluorescent chemicals is filled between this groove to form a fluorescence coating; And utilize one to cohere glue these at least two hole slots are filled out to envelope.
2. as claimed in claim 1 filling between the groove that two optical lenses and stripper loop define and the method for sealing fluorescent layer, it is characterized in that, this separation skeleton frame comprises glass, aluminium, bronze, pottery, and by aluminium, bronze at least one of them alloy forming at least one of them.
3. as claimed in claim 1 filling between the groove that two optical lenses and stripper loop define and the method for sealing fluorescent layer, is characterized in that, this separation skeleton frame comprise polymeric liquid crystal copolymer and polyphthalamide at least one of them.
4. as claimed in claim 1 filling between the groove that two optical lenses and stripper loop define and the method for sealing fluorescent layer, is characterized in that, the shape of this separation skeleton frame comprise circle, ellipse and polygonal at least one of them.
5. as claimed in claim 1 filling between the groove that two optical lenses and stripper loop define and the method for sealing fluorescent layer, is characterized in that, this stripper loop by UV cured glue, silica gel, epoxy resin or pi at least one of them is made.
6. as claimed in claim 1 filling between the groove that two optical lenses and stripper loop define and the method for sealing fluorescent layer, it is characterized in that, these at least two hole slots are logical to be located in this stripper loop and in correspondence with each other each other, and see through one and be coated with this rivet nut of cohering glue by these at least two hole slot involutions, this rivet nut comprise plastic material or metal material at least one of them.
7. as claimed in claim 1 filling between the groove that two optical lenses and stripper loop define and the method for sealing fluorescent layer, it is characterized in that, these at least two hole slots can carve be located at this L-type structure surface or logical be located in this separation skeleton frame and these at least two hole slots in correspondence with each other each other, one openend of these at least two hole slots is positioned at the inner face place of this stripper loop, and its another openend is positioned at the end face place of this separation skeleton frame.
8. as claimed in claim 1 filling between the groove that two optical lenses and stripper loop define and the method for sealing fluorescent layer, it is characterized in that, these at least two hole slots are carved respectively on the surface of being located at this stripper loop and these at least two hole slots must be in correspondence with each other each other, on this, optical glass is also provided with at least two grooves, these at least two grooves are corresponding and be communicated in this at least two hole slots respectively, cohere glue pour in these at least two hole slots and this at least two grooves for this.
9. as claimed in claim 1 filling between the groove that two optical lenses and stripper loop define and the method for sealing fluorescent layer, it is characterized in that, on this optical glass comprise a flat-plate lens or convex lens at least one of them, this lower optical glass is a flat-plate lens.
10. as claimed in claim 1 filling between the groove that two optical lenses and stripper loop define and the method for sealing fluorescent layer, is characterized in that, this cohere glue comprise UV cured glue, silica gel, epoxy resin or pi at least one of them.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010565766.6A CN102479888B (en) | 2010-11-30 | 2010-11-30 | Method for filling and sealing fluorescent layer in groove space defined by two optical lenses and stripper loops |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010565766.6A CN102479888B (en) | 2010-11-30 | 2010-11-30 | Method for filling and sealing fluorescent layer in groove space defined by two optical lenses and stripper loops |
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| Publication Number | Publication Date |
|---|---|
| CN102479888A CN102479888A (en) | 2012-05-30 |
| CN102479888B true CN102479888B (en) | 2014-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010565766.6A Expired - Fee Related CN102479888B (en) | 2010-11-30 | 2010-11-30 | Method for filling and sealing fluorescent layer in groove space defined by two optical lenses and stripper loops |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102646783A (en) * | 2011-02-22 | 2012-08-22 | 盈胜科技股份有限公司 | Fluorescent-layer-contained optical lens system capable of preventing moisture ingress |
| EP2979022B1 (en) * | 2013-03-26 | 2021-09-08 | Lumileds LLC | Method for manufacturing hermetically sealed illumination device with luminescent material |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4951927A (en) * | 1985-03-11 | 1990-08-28 | Libbey-Owens-Ford Co. | Method of making an encapsulated multiple glazed unit |
| CN1574407A (en) * | 2003-06-18 | 2005-02-02 | 丰田合成株式会社 | Light emitting device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5431706B2 (en) * | 2008-10-01 | 2014-03-05 | ミネベア株式会社 | Light emitting device |
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2010
- 2010-11-30 CN CN201010565766.6A patent/CN102479888B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4951927A (en) * | 1985-03-11 | 1990-08-28 | Libbey-Owens-Ford Co. | Method of making an encapsulated multiple glazed unit |
| CN1574407A (en) * | 2003-06-18 | 2005-02-02 | 丰田合成株式会社 | Light emitting device |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2010-87324A 2010.04.15 |
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| CN102479888A (en) | 2012-05-30 |
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