CN201673933U - multi-lens LED integrated light source panel and special die - Google Patents
multi-lens LED integrated light source panel and special die Download PDFInfo
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- CN201673933U CN201673933U CN2010201974573U CN201020197457U CN201673933U CN 201673933 U CN201673933 U CN 201673933U CN 2010201974573 U CN2010201974573 U CN 2010201974573U CN 201020197457 U CN201020197457 U CN 201020197457U CN 201673933 U CN201673933 U CN 201673933U
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- integrated light
- source plate
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Abstract
The utility model discloses a multi-lens LED integrated light source panel and a special die, which have the advantages of low cost and high production efficiency and can improve the light emitting efficiency and the light distributing accuracy. The light source panel comprises a thermal insulation substrate (1) and an LED light source unit (30), the surface of the thermal insulation substrate (1) is laid with circuit connecting wires (2), the LED light source unit (30) comprises a plurality of LED modules (31), the LED modules (31) consist of a plurality of LED chips (3) of a single LED chip (3), the light emitting direction of each LED module (31) is covered by a spherical lens (41), and the spherical lenses (41) corresponding to all the LED modules (31) of the LED light source unit (30) are connected into a whole to form a lens unit (4). The special die comprises a lower template (6), an upper template (7) and a lens forming die (8), wherein the upper template (7) is tightly connected with the lens forming die (8), the lens forming die (8) is provided with spherical die heads (81) corresponding to the layout of the LED modules (31), and the spherical die heads (81) are coupled to form a die head unit.
Description
Technical field
The utility model relates to a kind of multiple-lens LED integrated light source plate; In addition, the utility model also relates to a kind of particular manufacturing craft of making multiple-lens LED integrated light source plate.
Background technology
LED is applied in various occasions as a kind of novel illumination light source just more and more widely with outstanding advantages such as its energy-saving and environmental protection, luminous efficiency height, life-span length.Adopt high-power LED light source to be applied in and can be used as large-scale light fixture use such as street lamp, wall lamp in the light fixture now.In high-power LED light source, generally led chip and lens are packaged into direct plug type light pearl or SMD encapsulation earlier, this is commonly referred to light source encapsulation for the first time, again packaged LED is welded on a light source board that forms on heat conductive insulating substrate such as aluminium base, the copper base, be called light source encapsulation for the second time, and the substrate that dispels the heat and connect as circuit by the heat conductive insulating substrate.Because it must be through the secondary light source encapsulation, its complex procedures, the cost height, production efficiency is low; The bad control of relative position between lens and the led chip influences luminous intensity distribution, causes luminous efficiency to reduce.
Technology on heat conductive insulating substrate or the ordinary circuit board that led chip directly welded or be adhesive in is called the technology of plane integrated optical source; because using once, encapsulation can form light source board; so its cost is low; the production efficiency height; but at present the Technology Need of plane integrated optical source is coated with last layer silica gel or resin as protective layer at led chip; still fail to form effective spherical lens on its surface; only can form planar lenses at most; its luminous efficiency is low; great majority go out light total reflection and enter and cover in its surperficial silica gel or resinite; or scatter towards periphery and can't be forward or upwards luminous, as shown in Figure 1.In addition, for spherical lens, if the focus O of spherical lens is under the luminous horizontal plane of led chip, as shown in Figure 2, its bright dipping mostly towards periphery the side distribute, and can't make progress or emission forward, therefore bright dipping is undesirable, is called astigmatic type lens, so its sphere focus of desirable spherical lens O should be positioned on the luminous horizontal plane of led chip, as shown in Figure 3, though its lighting angle is big, multidirectional preceding the ejaculation forms pantoscopic lens, if the focus O of spherical lens is positioned on the luminous horizontal plane of led chip, then most of bright dipping meetings are penetrated forward or upwards and are formed the light-focusing type lens, as shown in Figure 4.
For the plane integrated LED light source, if adopt the multi-chip LED module or adopt the unit of many small-chip LED integrated packages as light source, generally adopt method as shown in Figure 5 at present, by lens all led chips in the unit are covered, promptly adopt einzel lens to join the pattern of multicore sheet, in order to cover all led chips, it is very big that signal-lens radius becomes, make that the volume of whole lens is bigger, material usage is bigger, because the material of lens adopts optics silica gel or resin, this material price costliness, make the cost height of lens, uneconomical; And the optical centre of feasible wherein each led chip of einzel lens is inconsistent, and the accuracy of lens luminous intensity distribution is subjected to certain influence.
The utility model content
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, provides that a kind of cost is low, production efficiency is high, can improve the multiple-lens LED integrated light source plate of luminous efficiency and luminous intensity distribution accuracy.
In addition, the utility model also provides a kind of particular manufacturing craft of multiple-lens LED integrated light source plate.
The technical scheme that multiple-lens LED integrated light source plate of the present utility model adopted is: multiple-lens LED integrated light source plate of the present utility model comprises that the surface is laid with the heat conductive insulating substrate of circuit connection, at least one led light source unit, described led light source unit comprises several LED modules, each described LED module constitutes or is made of separately single LEDs chip by the plurality of LEDs chip is integrated, described LED module and described circuit connection are electrically connected, described circuit connection is drawn anode and cathode terminals, the light direction of each described LED module all is covered with spherical lens, the described spherical lens of the described LED module correspondence of all of each the described led light source unit formation lens unit that is connected as a body, described lens unit adopt the mould molding perfusion to solidify to form.
Described heat conductive insulating substrate is provided with some substrate orientation holes of locating mutually with mould of being used for.
Described heat conductive insulating substrate is metal substrate or ceramic substrate or PCB circuit board.
The focus of described spherical lens be positioned at described led chip light output surface same plane or be positioned on the light output surface of described led chip.
Described spherical lens is formed by silica gel or resin solidification.
The technical scheme that particular manufacturing craft adopted of multiple-lens LED integrated light source plate of the present utility model is: the particular manufacturing craft of multiple-lens LED integrated light source plate of the present utility model comprises lower bolster, cope match-plate pattern, the lens shaping mould, described heat conductive insulating substrate orientation is in described lower bolster, the described lens shaping mould of gland successively on the described heat conductive insulating substrate, described cope match-plate pattern, be fastened by several bolts and nuts between described cope match-plate pattern and the described lower bolster, the layout that described lens shaping mould is provided with several and described LED module is the sphere die head one to one, described sphere die head links and constitutes the die head unit, described die head unit is provided with hole for injecting glue, steam vent, described cope match-plate pattern is provided with the resigning hole that is used to dodge described die head unitary space.
The side of described lower bolster is provided with some bolts hole, and the side of described cope match-plate pattern is provided with some bolt slots.
The particular manufacturing craft of described multiple-lens LED integrated light source plate also comprises latch segment, described latch segment is provided with eccentric orfice, be fastened and connected with described nut behind the described bolt hole of described screw bolt passes, described bolt slot, the described eccentric orfice, the side of described lower bolster is provided with the side edge.
Described heat conductive insulating substrate is provided with some substrate orientation holes of locating mutually with mould of being used for, described lower bolster is provided with some pin-and-holes, described lens shaping mould is provided with the shaping mould location hole, and described alignment pin passes described pin-and-hole, described substrate orientation hole, described shaping mould location hole and the location of matching with described cope match-plate pattern successively.
Described lens shaping mould adopts plastics or metal is one-body molded makes.
The beneficial effects of the utility model are: because multiple-lens LED integrated light source plate of the present utility model comprises that the surface is laid with the heat conductive insulating substrate of circuit connection, at least one led light source unit, described led light source unit comprises several LED modules, each described LED module constitutes or is made of separately single LEDs chip by the plurality of LEDs chip is integrated, described LED module and described circuit connection are electrically connected, described circuit connection is drawn anode and cathode terminals, the light direction of each described LED module all is covered with spherical lens, the described spherical lens of the described LED module correspondence of all of each the described led light source unit formation lens unit that is connected as a body, described lens unit adopts the mould molding perfusion to solidify to form, the utility model adopts the manufacturing process of integrated circuit, synchronous plane encapsulates described LED module on described heat conductive insulating substrate, and on each described LED module, be covered with spherical lens, avoided planar lenses intrinsic total reflection phenomenon when lighting angle is big, therefore improved the luminous efficiency of light source, pass through mould molding in addition, make the accurate positioning of lens, the precision height, be easy to reach the light distribution requirements of design, the utility model adopts described LED module and spherical lens thereof the method for encapsulation synchronously in addition, in the time of in being applied to light fixture, only need modularization directly to install and get final product, overcome single LEDs chip independence paster packaging cost height in the prior art, the drawback that production efficiency is low; And, with the described spherical lens of all described LED module correspondences of each the described led light source unit formation lens unit that is connected as a body, guaranteeing to cover under the situation of all led chips, the einzel lens of long radius large volume is become the form of lens of a plurality of minor radius, make the volume of whole lens reduce, material usage reduces, saved the consumption of expensive optics silica gel or resin, make the cost of lens reduce greatly, economy is obviously promoted, poly-lens makes that wherein the optical centre of each led chip is more accurate in addition, the accuracy of lens luminous intensity distribution is higher, so multiple-lens LED integrated light source plate cost of the present utility model is low, the production efficiency height, can improve luminous efficiency and luminous intensity distribution accuracy.
Description of drawings
Fig. 1 is the luminous schematic diagram that led chip is positioned at planar lens;
Fig. 2 is the luminous schematic diagram that led chip is positioned at the focus O top of sphere lens;
Fig. 3 is the luminous schematic diagram that led chip is positioned at the focus O place of sphere lens;
Fig. 4 is the luminous schematic diagram that led chip is positioned at the focus O below of sphere lens;
Fig. 5 is the structural representation that einzel lens is joined the pattern of multicore sheet;
Fig. 6 is the blast structural representation of particular manufacturing craft of the multiple-lens LED integrated light source plate of the utility model embodiment one;
Fig. 7 is the multiple-lens LED integrated light source plate structural representation of encapsulating not of the utility model embodiment one;
Fig. 8 is the structural representation behind the multiple-lens LED integrated light source plate encapsulating shown in Figure 7;
Fig. 9 is the N-N section structure schematic diagram of multiple-lens LED integrated light source plate shown in Figure 8;
Figure 10 is the structural representation that the lens shaping mould of the utility model embodiment one is connected with multiple-lens LED integrated light source plate;
Figure 11 is the section structure schematic diagram of M-M shown in Figure 10;
Figure 12 is the multiple-lens LED integrated light source plate structural representation of encapsulating not of the utility model embodiment two.
Embodiment
Embodiment one:
As Fig. 7～shown in Figure 9, the multiple-lens LED integrated light source plate of present embodiment is a kind of planar LED integrated light source board, comprise that the surface is laid with the heat conductive insulating substrate 1 of circuit connection 2, six led light source unit 30, described led light source unit 30 comprises several LED modules 31, each described LED module 31 is made of separately single LEDs chip 3, described LED module 31 is electrically connected with described circuit connection 2, described circuit connection 2 is drawn anode and cathode terminals 5, certainly, the LED lighting circuit also may comprise other necessary electronic element and modules, do not repeat them here, the light direction of each described LED module 31 all is covered with spherical lens 41, the light direction that is each described led chip 3 all is covered with spherical lens 41, the described spherical lens 41 of described LED module 31 correspondences of all of each described led light source unit 30 is connected as a body and constitutes lens unit 4, described lens unit 4 adopts the mould molding perfusion to solidify to form, described heat conductive insulating substrate 1 is provided with some substrate orientation holes 11 of locating mutually with mould of being used for, described heat conductive insulating substrate 1 is an aluminium base, can certainly adopt metal substrate or Al such as copper base
2O
3Ceramic substrate or PCB circuit board or other heat conductive insulating substrates such as AlN, the focus of described spherical lens 41 is positioned at the same plane of the light output surface of described led chip 3, as shown in Figure 3, the light that this moment, led chip sent can both effectively penetrate, do not have total reflection phenomenon, it is a kind of luminous intensity distribution design of pantoscopic lens, this moment, the luminous efficiency of light source was the highest, the focus of certain described spherical lens 41 also can be positioned on the light output surface of described led chip 3, as shown in Figure 4, the luminous energy that this moment, led chip sent is effectively dispersed out, and dwindled lighting angle, to reach the effect of optically focused, be a kind of luminous intensity distribution design of light-focusing type lens, described spherical lens 4 is formed by silica gel or resin solidification.
As Fig. 6, Figure 10, shown in Figure 11, the particular manufacturing craft of the multiple-lens LED integrated light source plate of present embodiment comprises lower bolster 6, cope match-plate pattern 7, lens shaping mould 8, latch segment 110, described heat conductive insulating substrate 1 is positioned in the described lower bolster 6, the described lens shaping mould 8 of gland successively on the described heat conductive insulating substrate 1, described cope match-plate pattern 7, be fastened with nut 10 by several bolts 9 between described cope match-plate pattern 7 and the described lower bolster 6, the layout that described lens shaping mould 8 is provided with several and described LED module 31 is sphere die head 81 one to one, described sphere die head 81 links and constitutes the die head unit, described die head unit is provided with hole for injecting glue 83, steam vent 84, during described hole for injecting glue 83 injecting glues, described steam vent 84 is discharged the air in the described die head unit, described lens shaping mould 8 adopts integrally moulded making, its cost is low, the efficient height, certain described lens shaping mould 8 can adopt also that metal is one-body molded to be made, described cope match-plate pattern 7 is provided with the resigning hole 73 that is used to dodge described die head unitary space, the side of described lower bolster 6 is provided with some bolts hole 61, the side of described cope match-plate pattern 7 is provided with some bolt slots 71, described latch segment 110 is provided with eccentric orfice 111, make described latch segment 110 lock described cope match-plate pattern 7 when overlapping turning to described cope match-plate pattern 7 away from an end of described eccentric orfice 111, when turning to described cope match-plate pattern 7 outsides, described cope match-plate pattern 7 takes off easily, described bolt 9 passes described bolt hole 61 successively, described bolt slot 71, described eccentric orfice 111 backs are fastened and connected with described nut 10, the side of described lower bolster 6 is provided with side along 63, be used for described heat conductive insulating substrate 1 is surrounded, described heat conductive insulating substrate 1 is provided with some substrate orientation holes 11 of locating mutually with mould of being used for, described lower bolster 6 is provided with some pin-and-holes 62, described lens shaping mould 8 is provided with shaping mould location hole 82, described alignment pin 60 passes described pin-and-hole 62 successively, described substrate orientation hole 11, the described shaping mould location hole 82 and the location of matching with described cope match-plate pattern 7, make accurate positioning between described heat conductive insulating substrate 1 and the described lens shaping mould 8, relative position meets the required precision of luminous intensity distribution between described spherical lens 41 that forms and the described led chip 3, and the luminous intensity distribution accuracy is good.
The manufacture method of the multiple-lens LED integrated light source plate of present embodiment may further comprise the steps:
(a) be laid with on the heat conductive insulating substrate 1 of circuit connection 2 on the surface and several led chips 3 directly be fixed on separately independently on the heat radiating metal paillon foil, with the tinsel of the both positive and negative polarity of several described led chips 3 and the described circuit connection 2 formation multiple-lens LED integrated light source plate that is electrically connected, on described led chip 3, apply fluorescent material by routing again;
(b) described multiple-lens LED integrated light source plate is positioned in the described lower bolster 6, and on described heat conductive insulating substrate 1 the described lens shaping mould 8 of gland, described cope match-plate pattern 7 successively, and with described cope match-plate pattern 7 and described lower bolster 6 fastening matched moulds;
(c) in each described sphere die head 81, pour into silica gel or resin by described hole for injecting glue 83, it is covered form a plurality of conjuncted pellet shapes colloids on each described led chip 3;
(d) under 80～130 ℃, described sphero-colloid was toasted 15～60 minutes, make its surface cure;
(e) described cope match-plate pattern 7, described lens shaping mould 8 are taken off in the demoulding, take out described heat conductive insulating substrate 1;
(f) described heat conductive insulating substrate 1 is placed in the baking box toast, make the curing of hardening fully of described sphero-colloid, form described spherical lens 41 and described lens unit 4.
Embodiment two:
As shown in figure 12, the difference of the multiple-lens LED integrated light source plate of present embodiment and embodiment one is: each described LED module 31 constitutes by plurality of LEDs chip 3 is integrated in the present embodiment, promptly replace the led chip that power is bigger by the series and parallel combination with a plurality of lower-powered led chips, make that the efficient of light source is higher, cover a described LED module 31 with a spherical lens 41 simultaneously.In like manner, the manufacture method of the multiple-lens LED integrated light source plate of present embodiment is just replaced single among the embodiment one described led chip 3 usefulness by the described LED module 31 that plurality of LEDs chip 3 constitutes, and all the other are all identical.
The utility model adopts the manufacturing process of integrated circuit, synchronous plane encapsulates described LED module 31 on described heat conductive insulating substrate 1, and on each described LED module 31, be covered with spherical lens, avoided planar lenses intrinsic total reflection phenomenon when lighting angle is big, therefore improved the luminous efficiency of light source, pass through mould molding in addition, make the accurate positioning of lens, the precision height, be easy to reach the light distribution requirements of design, the utility model adopts described LED module 31 and spherical lens 41 thereof the method for encapsulation synchronously in addition, in the time of in being applied to light fixture, only need modularization directly to install and get final product, overcome single LEDs chip independence paster packaging cost height in the prior art, the drawback that production efficiency is low; And, the described spherical lens 41 of all described LED module 31 correspondences of each described led light source unit 30 is connected as a body constitutes lens unit 4, guaranteeing to cover under the situation of all led chips, the einzel lens of long radius large volume is become the form of lens of a plurality of minor radius, make the volume of whole lens reduce, material usage reduces, saved the consumption of expensive optics silica gel or resin, make the cost of lens reduce greatly, economy is obviously promoted, poly-lens makes that wherein the optical centre of each led chip is more accurate in addition, the accuracy of lens luminous intensity distribution is higher, and therefore multiple-lens LED integrated light source plate cost of the present utility model is low, the production efficiency height, can improve luminous efficiency and luminous intensity distribution accuracy.
The utility model can be widely used in the led light source field.
Claims (10)
1. multiple-lens LED integrated light source plate, it is characterized in that: comprise that the surface is laid with the heat conductive insulating substrate (1) of circuit connection (2), at least one led light source unit (30), described led light source unit (30) comprises several LED modules (31), each described LED module (31) constitutes separately by the integrated formation of plurality of LEDs chip (3) or by single LEDs chip (3), described LED module (31) is electrically connected with described circuit connection (2), described circuit connection (2) is drawn anode and cathode terminals (5), the light direction of each described LED module (31) all is covered with spherical lens (41), the described spherical lens (41) that the described LED modules of all of each described led light source unit (30) (31) are corresponding is connected as a body and constitutes lens unit (4), and described lens unit (4) adopts the mould molding perfusion to solidify to form.
2. multiple-lens LED integrated light source plate according to claim 1 is characterized in that: described heat conductive insulating substrate (1) is provided with some substrate orientation holes (11) of locating mutually with mould of being used for.
3. multiple-lens LED integrated light source plate according to claim 1 and 2 is characterized in that: described heat conductive insulating substrate (1) is metal substrate or ceramic substrate or PCB circuit board.
4. multiple-lens LED integrated light source plate according to claim 1 and 2 is characterized in that: the focus of described spherical lens (41) be positioned at described led chip (3) light output surface same plane or be positioned on the light output surface of described led chip (3).
5. multiple-lens LED integrated light source plate according to claim 1 and 2 is characterized in that: described spherical lens (41) is formed by silica gel or resin solidification.
6. particular manufacturing craft that is used to make the described multiple-lens LED integrated light source plate of claim 1, it is characterized in that: comprise lower bolster (6), cope match-plate pattern (7), lens shaping mould (8), described heat conductive insulating substrate (1) is positioned in the described lower bolster (6), the described lens shaping mould of gland (8) successively on the described heat conductive insulating substrate (1), described cope match-plate pattern (7), be fastened by several bolts (9) and nut (10) between described cope match-plate pattern (7) and the described lower bolster (6), the layout that described lens shaping mould (8) is provided with several and described LED module (31) is sphere die head (81) one to one, described sphere die head (81) links and constitutes the die head unit, described die head unit is provided with hole for injecting glue (83), steam vent (84), described cope match-plate pattern (7) are provided with the resigning hole (73) that is used to dodge described die head unitary space.
7. the particular manufacturing craft of multiple-lens LED integrated light source plate according to claim 6, it is characterized in that: the side of described lower bolster (6) is provided with some bolts hole (61), and the side of described cope match-plate pattern (7) is provided with some bolt slots (71).
8. the particular manufacturing craft of multiple-lens LED integrated light source plate according to claim 7, it is characterized in that: the particular manufacturing craft of described multiple-lens LED integrated light source plate also comprises latch segment (110), described latch segment (110) is provided with eccentric orfice (111), described bolt (9) passes described bolt hole (61), described bolt slot (71), described eccentric orfice (111) back and described nut (10) successively and is fastened and connected, and the side of described lower bolster (6) is provided with side along (63).
9. the particular manufacturing craft of multiple-lens LED integrated light source plate according to claim 6, it is characterized in that: described heat conductive insulating substrate (1) is provided with some substrate orientation holes (11) of locating mutually with mould of being used for, described lower bolster (6) is provided with some pin-and-holes (62), described lens shaping mould (8) is provided with shaping mould location hole (82), and described alignment pin (60) passes described pin-and-hole (62), described substrate orientation hole (11), described shaping mould location hole (82) and the location of matching with described cope match-plate pattern (7) successively.
10. the particular manufacturing craft of multiple-lens LED integrated light source plate according to claim 6 is characterized in that: described lens shaping mould (8) adopts plastics or metal is one-body molded makes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201974573U CN201673933U (en) | 2010-05-20 | 2010-05-20 | multi-lens LED integrated light source panel and special die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201974573U CN201673933U (en) | 2010-05-20 | 2010-05-20 | multi-lens LED integrated light source panel and special die |
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| Publication Number | Publication Date |
|---|---|
| CN201673933U true CN201673933U (en) | 2010-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201974573U Expired - Lifetime CN201673933U (en) | 2010-05-20 | 2010-05-20 | multi-lens LED integrated light source panel and special die |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101858556A (en) * | 2010-05-20 | 2010-10-13 | 广州南科集成电子有限公司 | Multiple-lens LED integrated light source plate, special mould and manufacture method |
-
2010
- 2010-05-20 CN CN2010201974573U patent/CN201673933U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101858556A (en) * | 2010-05-20 | 2010-10-13 | 广州南科集成电子有限公司 | Multiple-lens LED integrated light source plate, special mould and manufacture method |
| CN101858556B (en) * | 2010-05-20 | 2012-02-01 | 广州南科集成电子有限公司 | Multiple-lens LED integrated light source plate, special mould and manufacture method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20101215 Effective date of abandoning: 20120201 |