CN102646783A - Fluorescent-layer-contained optical lens system capable of preventing moisture ingress - Google Patents
Fluorescent-layer-contained optical lens system capable of preventing moisture ingress Download PDFInfo
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- CN102646783A CN102646783A CN2011100423604A CN201110042360A CN102646783A CN 102646783 A CN102646783 A CN 102646783A CN 2011100423604 A CN2011100423604 A CN 2011100423604A CN 201110042360 A CN201110042360 A CN 201110042360A CN 102646783 A CN102646783 A CN 102646783A
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- optical lens
- fluorescence coating
- skeleton frame
- moisture
- lens group
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Abstract
The invention discloses a fluorescent-layer-contained optical lens system capable of preventing moisture ingress, which comprises a separation frame with a separation ring, two optical lenses and a fluorescent layer, wherein the optical lenses and the separation frame together form a closed tank room; the fluorescent layer is sealed and filled in the tank room; the fluorescent layer is formed in a spot gluing or potting mode; and the upper optical lens can be a flat lens or convex lens. The invention can completely prevent moisture from infiltration, thereby ensuring the optical function of the fluorescent layer; the fluorescent-layer-contained optical lens system can be previously prepared, and used for packaging the multilayer array-type light-emitting diode; and the fluorescent-layer-contained optical lens system can be subjected to lumen and light color determination according to different applications, so that the optical applicability and the packaging efficiency can be greatly enhanced.
Description
Technical field
The present invention relates to a kind of optical lens group, especially a kind of bag that prevents that moisture from invading is provided with the optical lens group of fluorescence coating, and then the permanent optical performance of protecting fluorescence coating, and using provides multiple field array type LED package to use.
Background technology
Light-emitting diode is a kind of solid-state semiconductor subassembly; Utilize electric current to mutually combine through two kinds of carriers that produce in the diode; The form of energy with light discharged, have that volume is light and handy, reaction speed reaches advantages such as high efficiency soon, make the light-emitting diode application stride each industrial circle of foot gradually.
See also shown in Figure 1; Cutaway view for the multiple field array type package structure for LED of prior art; It includes a substrate 10a, a package module 12a, a lead frame 14a and a cover body 16a, and this substrate 10a is located at the orlop of this encapsulating structure, and 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 substrate 10a that this substrate 10a goes up the promising arrayed of installing are metal material; LED crystal particle 18a and this lead frame 14a also form to electrically connect, this cover body 16a then with this package module 12a involution mutually, wherein LED crystal particle 18a is formed with an insulating protective layer 20a; This insulating protective layer 20a coats said LED crystal particle 18a, forms a fluorescence coating 22a on this insulating protective layer 20a at least again.
Yet the shortcoming of prior art is the moisture in the direct ingress of air of the fluorescence coating on the LED crystal particle; Well-known fluorescent chemicals can absorb moisture; Cause the characteristic variation of light, white light can decay to darker light from white light at leisure, and last fluorescent chemicals loses the optical effect of mixed light; Moreover fluorescence coating directly absorbs the heat energy that produces when luminous; The heat resisting temperature and the heat stability of general fluorescence coating are on the low side, in case the heat conduction of luminescence chip to this fluorescence coating, rottenly influences luminous efficiency and photochromism changes with what cause fluorescent material.
In addition fluorescent material is formed on the luminescence chip with injection or coating method; Often must use excessive fluorescent material to guarantee evenly to be coated with fluorescence coating on the luminescence chip; Cost wastes raw material very much; In addition if fluorescence coating has flaw can cause luminescence chip can't reclaim use; Moreover prior art needs behind the fluorescence coating processing procedure, just can to carry out each item optic test, but so industry need a kind ofly can to make optic test in advance, can save manufacturing cost, help the package structure for LED of heat radiation and mixed light and leaded light.
Summary of the invention
Main purpose of the present invention is to provide a kind of bag that prevents that moisture from invading to be provided with the optical lens group of fluorescence coating; Wherein fluorescence coating is sealed up for safekeeping in the optical lens group in vacuum environment hermetically; Preventing that moisture or gas from getting in the inner fluorescence coating, as make the fluorescence coating can deterioration and cause optical performance to reduce.
Another object of the present invention is to provide a kind of bag that prevents that moisture from invading to be provided with the optical lens group of fluorescence coating; Material is simplified and saved to structure wherein of the present invention; Especially also it is prefabricated to carry out independence in advance, and then short encapsulation time and packaging cost, helps to promote packaging efficiency.
For reaching above-mentioned purpose; Concrete technological hand end of the present invention includes one and separates skeleton frame; This separation skeleton frame internal face convexes with a stripper loop, and the end face of this stripper loop and this separation skeleton frame internal face constitute a L type structure, and the bottom surface of this stripper loop and this separation skeleton frame internal face constitute an inverted L shape structure; Two optical mirror slips, it includes on one optical mirror slip and optical mirror slip once, and optical mirror slip reaches that optical mirror slip is fixedly arranged on respectively on the end face and bottom surface of this stripper loop this on, and optical mirror slip, this time optical mirror slip and this stripper loop one common peripheral structure go out between a groove on this; And a fluorescence coating, during this fluorescence groove is arranged between this groove.
Description of drawings
Fig. 1 is the cutaway view of the package structure for LED of prior art.
Fig. 2 is provided with the three-dimensional exploded view of the optical lens group of fluorescence coating for the bag that prevents that moisture from invading of the present invention.
Fig. 3 is provided with the assembled sectional view of the optical lens group of fluorescence coating for the bag that prevents that moisture from invading of the present invention.
Fig. 4 is an embodiment sketch map of going up optical lens of the present invention.
Fig. 5 is the first embodiment sketch map of separation skeleton frame of the present invention.
Fig. 5 a utilizes the upright sketch map of group of the separation skeleton frame of Fig. 5 for the present invention.
Fig. 6 is the second embodiment sketch map of separation skeleton frame of the present invention.
Fig. 6 a utilizes the upright sketch map of group of the separation skeleton frame of Fig. 6 for the present invention.
Fig. 7 is applied to an embodiment sketch map of multiple field array type light-emitting diode for the present invention.
Fig. 8 is applied to another embodiment sketch map of multiple field array type light-emitting diode for the present invention.
Embodiment
Those skilled in the art below cooperate Figure of description that execution mode of the present invention is done more detailed explanation, so that can implement after studying this specification carefully according to this.
Consult Fig. 2,, consult Fig. 3, be provided with the assembled sectional view of the optical lens group of fluorescence coating for the bag that prevents that moisture from invading of the present invention for the bag of moisture intrusion that prevents of the present invention is provided with the three-dimensional exploded view of the optical lens group of fluorescence coating.The present invention is provided with the optical lens group of fluorescence coating for relevant a kind of bag of moisture intrusion that prevents, it includes one at least and separates skeleton frame 1, two optical mirror slips and a fluorescence coating 7.
The internal face of this separation skeleton frame 1 convexes with a stripper loop 11 inwardly; This stripper loop 11 has an end face and a bottom surface; The upper inside walls face of the end face of this stripper loop 11 and this separation skeleton frame 1 constitutes a L type structure; The downside internal face of the bottom surface of this stripper loop 11 and this separation skeleton frame 1 constitutes an inverted L shape structure, the shape of this separation skeleton frame 1 comprise circle, ellipse, quadrangle and polygonal at least one of them.
Wherein, This separation skeleton frame 1 comprises glass aluminium, bronze, pottery; And by the alloy of one of them institute's structure at least of aluminium and bronze at least one of them, or comprise polymeric liquid crystal copolymer (Liquid Crystal 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, quadrangle and polygonal at least one of them.In addition, this stripper loop 11 can be made on the internal face that takes shape in this separation skeleton frame 1 in addition, this stripper loop 11 comprise UV cured glue, silica gel, epoxy resin or pi at least one of them.
Two optical mirror slips include on one optical mirror slip 3 and optical mirror slip 5 once; This last optical mirror slip 3 reaches, and optical mirror slip 5 is fixedly arranged on respectively on the end face and bottom surface of this stripper loop 11; This last optical mirror slip 3, this time optical mirror slip 5 and this stripper loop 11 one common peripheral structures go out one to have between the groove of accommodation space; During 7 of this fluorescence coatings are arranged between this groove, wherein this fluorescence coating 7 can be by a dotting glue method packing between this groove in.Is a flat-plate lens and should go up optical mirror slip 3 with this time optical mirror slip 5, and wherein should go up optical mirror slip 3 more can be convex lens, as shown in Figure 4.
Consult Fig. 5, for the first embodiment sketch map of separation skeleton frame of the present invention, consult Fig. 5 a, Fig. 5 a utilizes the upright sketch map of group of the separation skeleton frame of Fig. 5 for the present invention.Wherein this separation skeleton frame 1 can be provided with at least two ducts 115; These at least two ducts 115 run through among this stripper loop 11; And these at least two ducts 115 in correspondence with each other each other; These at least two ducts 115 are arranged to make the interior outside of this separation skeleton frame 1 to interconnect, so that constitute in the fluorescent chemicals of fluorescence coating 7 can be poured between groove via duct 115.
These at least two ducts 115 and packing are filled out envelope thing (drawing does not show); This fill out the envelope thing comprise the nail body or cohere glue at least one of them; Wherein this nail body comprise plastic material or metal material at least one of them; Wherein cohere glue comprise UV cured glue, silica gel, epoxy resin or pi at least one of them, these at least two ducts 115 are in order to handle and as the passage of this fluorescence coating 7 in being poured between this groove used vacuumizing between this groove.
Consult Fig. 6, for the second embodiment sketch map of separation skeleton frame of the present invention, consult Fig. 6 a, Fig. 6 a utilizes the upright sketch map of group of the separation skeleton frame of Fig. 6 for the present invention.This two duct 115 also can provide within the surface of this L type structure or this inverted L shape structure; Wherein an openend in this two duct 115 is positioned at the inner face place of this stripper loop 11; Its another openend then is positioned at the end face place of this separation skeleton frame 1; Packing has the glue of cohering 8 in these at least two ducts 115; Cohere glue 8 comprise UV cured glue, silica gel, epoxy resin or pi at least one of them, these at least two ducts 115 are in order to handle and as the passage of this fluorescence coating 7 in being poured between this groove used vacuumizing between this groove.
Consult Fig. 7,, consult Fig. 8, be applied to another embodiment sketch map of multiple field array type light-emitting diode for the present invention for the present invention is applied to an embodiment sketch map of multiple field array type light-emitting diode.One multiple field array type light-emitting diode comprises a substrate 100 and a packaging body 200; This substrate 100 is positioned at the bottom part of this multiple field array type light-emitting diode; This substrate 100 is provided with a plurality of LED luminescence components 300; Said LED luminescence component 300 is arranged on this substrate 100 with the mode of arrayed, and said luminescence component 300 is located at the relation that two lead frames, 400 formation in the packaging body 200 electrically connect with routing (Wire bonding) mode that engages with envelope, is formed with a crystal grain protective layer 500 and a silica gel layer 600 on the said LED luminescence component 300 in regular turn; And this packaging body 200 is as long as be provided with the fixed frame groove 210 that corresponds on corresponding to the position of this separation skeleton frame 1; So can separate skeleton frame 1 with this and assemble mutually, can demonstrate,prove thus, seeing through composite of the present invention can encapsulate with various LED encapsulating structures; Also can be as shown in Figure 8, with the use of convex lens as last optical lens 3.
The above is merely in order to explain preferred embodiment of the present invention; Be not that attempt is done any pro forma restriction to the present invention according to this; Therefore, all have in that identical creation spirit is following do relevant any modification of the present invention or change, all must be included in the category that the invention is intended to protect.
Claims (8)
1. one kind can prevent that the bag of moisture intrusion is provided with the optical lens group of fluorescence coating, invades the fluorescence coating of an optical lens group in order to prevent moisture, it is characterized in that the optical lens group that this bag that can prevent that moisture from invading is provided with fluorescence coating includes at least:
One separates skeleton frame, and this separation skeleton frame internal face convexes with a stripper loop, and the end face of this stripper loop and this separation skeleton frame internal face constitute a L type structure, and the bottom surface of this stripper loop and this separation skeleton frame internal face constitute an inverted L shape structure;
Two optical mirror slips, it includes on one optical mirror slip and optical mirror slip once, and optical mirror slip reaches that optical mirror slip is fixedly arranged on respectively on the end face and bottom surface of this stripper loop this on, and optical mirror slip, this time optical mirror slip and this stripper loop one common peripheral structure go out between a groove on this; And
One fluorescence coating is during this fluorescence groove is arranged between this groove.
2. the bag that prevents that moisture from invading as claimed in claim 1 is provided with the optical lens group of fluorescence coating, it is characterized in that this separation skeleton frame and this stripper loop are formed in one.
3. the bag that prevents that moisture from invading as claimed in claim 1 is provided with the optical lens group of fluorescence coating; It is characterized in that; This separation skeleton frame comprises glass, aluminium, bronze, pottery, and by aluminium and the bronze the alloy that one of them constituted at least at least one of them.
4. the bag that prevents that moisture from invading as claimed in claim 1 is provided with the optical lens group of fluorescence coating, it is characterized in that, this separation skeleton frame comprise polymeric liquid crystal copolymer and polyphthalamide at least one of them.
5. the bag that prevents that moisture from invading as claimed in claim 1 is provided with the optical lens group of fluorescence coating, it is characterized in that this stripper loop can be made in addition, this stripper loop comprise UV cured glue, silica gel, epoxy resin or pi at least one of them.
6. the bag that prevents that moisture from invading as claimed in claim 1 is provided with the optical lens group of fluorescence coating, it is characterized in that, the shape of this separation skeleton frame comprise circle, ellipse, quadrangle and polygonal at least one of them.
7. the bag that prevents that moisture from invading as claimed in claim 1 is provided with the optical lens group of fluorescence coating; It is characterized in that; This separation skeleton frame can be provided with at least two ducts; These at least two ducts run through in this stripper loop and in correspondence with each other each other, this each packing of at least two ducts is filled out the envelope thing, this fill out the envelope thing comprise a nail body or a glutinous sealing at least one of them; Wherein this nail body comprise plastic material or metal material at least one of them, wherein should glutinous sealing comprise UV cured glue, silica gel, epoxy resin or pi at least one of them.
8. the bag that prevents that moisture from invading as claimed in claim 1 is provided with the optical lens group of fluorescence coating; It is characterized in that; This separation skeleton frame can be provided with at least two ducts; These at least two ducts are formed within this L type structure or this inverted L shape structure; One openend in these at least two ducts is positioned at the inner face place of this stripper loop, and its another openend then is positioned at the end face place of this separation skeleton frame, and these at least two hole slot packings have a glutinous sealing; Should glutinous sealing comprise UV cured glue, silica gel, epoxy resin or pi at least one of them, these at least two ducts are in order to handle and use as the passage that a fluorescent chemicals is filled between this groove vacuumizing between this groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100423604A CN102646783A (en) | 2011-02-22 | 2011-02-22 | Fluorescent-layer-contained optical lens system capable of preventing moisture ingress |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100423604A CN102646783A (en) | 2011-02-22 | 2011-02-22 | Fluorescent-layer-contained optical lens system capable of preventing moisture ingress |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102646783A true CN102646783A (en) | 2012-08-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100423604A Pending CN102646783A (en) | 2011-02-22 | 2011-02-22 | Fluorescent-layer-contained optical lens system capable of preventing moisture ingress |
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| Country | Link |
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| CN (1) | CN102646783A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060049422A1 (en) * | 2004-08-31 | 2006-03-09 | Iwao Shoji | Surface mount LED |
| TWM393044U (en) * | 2010-06-25 | 2010-11-21 | Gem Weltronics Twn Corp | Optical lens with fluorescent layer applicable in a LED packaging structure |
| CN102479888A (en) * | 2010-11-30 | 2012-05-30 | 盈胜科技股份有限公司 | Method for filling and sealing fluorescent layer in groove space defined by two optical lenses and stripper loops |
-
2011
- 2011-02-22 CN CN2011100423604A patent/CN102646783A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060049422A1 (en) * | 2004-08-31 | 2006-03-09 | Iwao Shoji | Surface mount LED |
| TWM393044U (en) * | 2010-06-25 | 2010-11-21 | Gem Weltronics Twn Corp | Optical lens with fluorescent layer applicable in a LED packaging structure |
| CN102479888A (en) * | 2010-11-30 | 2012-05-30 | 盈胜科技股份有限公司 | Method for filling and sealing fluorescent layer in groove space defined by two optical lenses and stripper loops |
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Application publication date: 20120822 |