CN204424308U - A kind of LED support and LED lamp bead - Google Patents

A kind of LED support and LED lamp bead Download PDF

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Publication number
CN204424308U
CN204424308U CN201420864107.6U CN201420864107U CN204424308U CN 204424308 U CN204424308 U CN 204424308U CN 201420864107 U CN201420864107 U CN 201420864107U CN 204424308 U CN204424308 U CN 204424308U
Authority
CN
China
Prior art keywords
led
reflector
substrate
base plate
led support
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420864107.6U
Other languages
Chinese (zh)
Inventor
胡新喜
李春辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vtron Technologies Ltd
Original Assignee
Vtron Technologies Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Vtron Technologies Ltd filed Critical Vtron Technologies Ltd
Priority to CN201420864107.6U priority Critical patent/CN204424308U/en
Application granted granted Critical
Publication of CN204424308U publication Critical patent/CN204424308U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L24/00Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
    • H01L24/93Batch processes
    • H01L24/95Batch processes at chip-level, i.e. with connecting carried out on a plurality of singulated devices, i.e. on diced chips
    • H01L24/97Batch processes at chip-level, i.e. with connecting carried out on a plurality of singulated devices, i.e. on diced chips the devices being connected to a common substrate, e.g. interposer, said common substrate being separable into individual assemblies after connecting
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2224/00Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
    • H01L2224/01Means 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
    • H01L2224/42Wire connectors; Manufacturing methods related thereto
    • H01L2224/44Structure, shape, material or disposition of the wire connectors prior to the connecting process
    • H01L2224/45Structure, shape, material or disposition of the wire connectors prior to the connecting process of an individual wire connector
    • H01L2224/45001Core members of the connector
    • H01L2224/45099Material
    • H01L2224/451Material with a principal constituent of the material being a metal or a metalloid, e.g. boron (B), silicon (Si), germanium (Ge), arsenic (As), antimony (Sb), tellurium (Te) and polonium (Po), and alloys thereof
    • H01L2224/45138Material with a principal constituent of the material being a metal or a metalloid, e.g. boron (B), silicon (Si), germanium (Ge), arsenic (As), antimony (Sb), tellurium (Te) and polonium (Po), and alloys thereof the principal constituent melting at a temperature of greater than or equal to 950°C and less than 1550°C
    • H01L2224/45144Gold (Au) as principal constituent
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2224/00Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
    • H01L2224/01Means 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
    • H01L2224/42Wire connectors; Manufacturing methods related thereto
    • H01L2224/47Structure, shape, material or disposition of the wire connectors after the connecting process
    • H01L2224/48Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
    • H01L2224/481Disposition
    • H01L2224/48151Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
    • H01L2224/48221Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
    • H01L2224/48225Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation
    • H01L2224/48227Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation connecting the wire to a bond pad of the item

Abstract

The utility model discloses a kind of LED support and LED lamp bead, the utility model LED support comprises substrate, upper surface of base plate and lower surface are provided with corresponding multiple pads, the surrounding of all pads of upper surface of base plate is provided with the reflector of bottomless ring-type, and the pad that upper surface of base plate is corresponding with lower surface is connected by metal vias.The pad of metal vias connection substrate upper surface and lower surface, therefore the heat of upper surface of base plate can conduct to base lower surface fast, thus quick heat radiating.The utility model LED lamp bead is based on above-mentioned LED support; therefore heat dispersion is strong; and reflector can reflect the some light that LED grain sends; prevent optical crosstalk; improve out light consistency; packing colloid in reflector covers LED grain and metal wire, and packaging plastic physical efficiency protection LED grain and gold thread, can improve the propagation of light simultaneously.

Description

A kind of LED support and LED lamp bead
Technical field
The utility model relates to LED technology field, more specifically, relates to a kind of LED support and LED lamp bead.
Background technology
Current LED display industry is towards high density point apart from future development, the lamp pearl that tradition LED display uses adopts Chip SMD LED(PCB package surface attachment LED) and Top SMD LED(end face light-emitting area mount LED), but the equal defectiveness of this two series products at present.
Chip SMD LED comprises substrate, after carrying out the operations such as die bond bonding wire again on substrate, carry out molding(mold pressing more afterwards) sealing operation, finally cutting forms single lamp pearl, this class wrapper is not owing to having reflector, and the light-out effect of LED in all directions has certain difference, goes out light consistency difference, and due to large-area packing colloid in atmosphere external, easily make moist and cause internal injury.This class wrapper also has the shortcoming of poor radiation.The current industry dimension limit 1.0*1.0mm of this series products.
Top SMD LED adopts conventional P PA support, the lead terminal of conventional P PA support adopts stalloy (as 0.2mm) to be stamped to form at press machine, re-using injection molding machine filling lead terminal inside makes it fix, and be injection molded into reflector, the method, due to the limited precision of lead terminal punching press, is difficult to the pad realizing below 1mm; The precision of conventional injection molding machine is also limited, and the dimension limit of current this series products of industry is 1.5*1.5mm;
Current LED display industry, towards highly dense point apart from future development, needs the LED of smaller szie to occur, but at present the LED display that makes of industry conventional packaging method when put apart from little to a certain extent after by hard to carry on.Extra small apart from LED display for realizing, need a kind of new LED support to occur.
Utility model content
The utility model is intended to solve the problems of the technologies described above at least to a certain extent.
Primary and foremost purpose of the present utility model overcomes the defect that prior art heat dispersion is poor, go out light consistency difference, provide a kind of heat dispersion strong, go out the good LED support of light consistency.
Further object of the present utility model be to provide a kind of heat dispersion strong, go out the good LED lamp bead of light consistency.
For solving the problems of the technologies described above, the technical solution of the utility model is as follows:
A kind of LED support, described LED support comprises substrate, upper surface of base plate and lower surface are provided with corresponding multiple pads, and the region surrounding that upper surface of base plate arranges pad is provided with the reflector of bottomless ring-type, and the pad that upper surface of base plate is corresponding with lower surface is connected by metal vias.
A LED lamp bead for above-mentioned LED support, described LED lamp bead comprises above-mentioned LED support, and the upper surface of base plate in reflector is provided with LED grain, and LED grain is linked by the pad of metal wire with upper surface of base plate, and reflector inside is filled with packing colloid.
Compared with prior art, the beneficial effect of technical solutions of the utility model is: the utility model LED support comprises substrate, upper surface of base plate and lower surface are provided with corresponding multiple pads, the surrounding of all pads of upper surface of base plate is provided with the reflector of bottomless ring-type, and the pad that upper surface of base plate is corresponding with lower surface is connected by metal vias.The pad of metal vias connection substrate upper surface and lower surface, therefore the heat of upper surface of base plate can conduct to base lower surface fast, thus quick heat radiating.
The utility model LED lamp bead is based on above-mentioned LED support; therefore heat dispersion is strong; and reflector can reflect the some light that LED grain sends; prevent optical crosstalk; improve out light consistency; packing colloid in reflector covers LED grain and metal wire, and packaging plastic physical efficiency protection LED grain and metal wire, can improve the propagation of light simultaneously.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of LED support of the present utility model.
Fig. 2 is the substrate schematic diagram of LED support of the present utility model.
Fig. 3 is the reflector schematic diagram of LED support of the present utility model.
Fig. 4 is the schematic diagram of LED lamp bead of the present utility model.
Fig. 5 is the schematic diagram of the utility model LED lamp bead batch production.
Wherein: 1, LED support; 2, substrate; 3, reflector; 4, LED lamp bead; 5, LED grain; 6, metal wire.
Embodiment
Accompanying drawing, only for exemplary illustration, can not be interpreted as the restriction to this patent;
In order to better the present embodiment is described, some parts of accompanying drawing have omission, zoom in or out, and do not represent the size of actual product;
To those skilled in the art, in accompanying drawing, some known features and explanation thereof may be omitted is understandable.
Below in conjunction with drawings and Examples, the technical solution of the utility model is described further.
embodiment 1
A kind of LED support, as Figure 1-3, described LED support 1 comprises substrate 2, substrate 2 upper surface and lower surface are provided with corresponding multiple pads, the region surrounding that substrate 2 upper surface arranges pad is provided with the reflector 3 of bottomless ring-type, and the pad that substrate 2 upper surface is corresponding with lower surface is connected by metal vias.
The utility model LED support 1 comprises substrate 2, substrate 2 upper surface and lower surface are provided with corresponding multiple pads, the surrounding of all pads of substrate 2 upper surface is provided with the reflector 3 of bottomless ring-type, and the pad that substrate 2 upper surface is corresponding with lower surface is connected by metal vias.The pad of metal vias connection substrate 2 upper surface and lower surface, therefore the heat of substrate 2 upper surface can conduct to substrate 2 lower surface fast, thus quick heat radiating.
In specific implementation process, described reflector 3 is opaque reflector, and color is black or white.White increases the brightness that reflection improves LED finished product, is applicable to the series products that throws light on; Black absorption scattered light improves the contrast of LED finished product, is applicable to display screen series products.
In specific implementation process, described reflector 3 ultrasonic thermocompression is at the upper surface of described substrate 2.
In specific implementation process, described reflector 3 scribbles glue layer with the contact-making surface of substrate 2.The glue used in the present embodiment is heat curing-type glue, material is epoxy resin, when reflector 3 closes with substrate 2 ultrasonic thermocompression, the transfer of ultrasonic energy produced by pressing machine is to the faying face of reflector 3 and substrate 2, and make reflector 3 and substrate 2 produce larger heat in faying face friction, make glue curing, strengthen reflector 3 and the degree of adhesion of substrate 2, prevent gap from producing.
In specific implementation process, described reflector 3 is shaped in the upper surface of described substrate 2.After substrate 2 completes, again substrate 2 is placed in the mould of moulding press, mould on a substrate 2 surface reserves corresponding injection moulding groove, again to Epoxy Resin For Automatic Pressure Gelation Process in mould, be heating and curing shaping, the mould high accuracy of moulding press processes again, therefore its making precision of reflector 3 that mold pressing makes is very high, ultra-narrow limit reflector 3 can be realized, and reflector 3 and substrate 2 contraposition accurate; Moulding press has the clamping pressure of up to a hundred tons, therefore has goodish guarantor's type ability, and the reflector 3 of the LED support 1 of compression molding has good consistency; The reflector 3 of compression molding is combined completely with substrate 2, therefore has good bond strength and sealing; Reflector 3 in the present embodiment adopts epoxy resin, and its thermal endurance is better than PPA.
In specific implementation process, described substrate 2 is BT resin substrate.It has very high high glass transition temperature (Tg), the performances such as outstanding dielectric property, low-thermal-expansion rate, good mechanical characteristics.BT resin substrate can double-deck or multilayer circuit wiring, thus realizes more complicated circuit.
embodiment 2
A kind of LED lamp bead of above-mentioned LED support, as shown in Figure 4, described LED lamp bead 4 comprises above-mentioned LED support 1, and substrate 2 upper surface in reflector 3 is provided with LED grain 5, LED grain 5 is linked with the pad of substrate 2 upper surface by metal wire 6, and reflector 3 inside is filled with packing colloid.
The utility model LED lamp bead 4 is based on above-mentioned LED support 1; therefore heat dispersion is strong; and reflector 3 can reflect the some light that LED grain 5 sends; prevent optical crosstalk; improve out light consistency; packing colloid in reflector 3 covers LED grain 5 and metal wire 6, and packaging plastic physical efficiency protection LED grain 5 and metal wire 6, can improve the propagation of light simultaneously.
In specific implementation process, it is characterized in that, described reflector 3 is opaque reflector, and color is black or white.White increases the brightness that reflection improves LED finished product, is applicable to the series products that throws light on; Black absorption scattered light improves the contrast of LED finished product, is applicable to display screen series products.
In specific implementation process, described substrate 2 is BT resin substrate, and metal wire 6 adopts gold thread.It has very high high glass transition temperature (Tg), the performances such as outstanding dielectric property, low-thermal-expansion rate, good mechanical characteristics.LED grain 5 is connected by gold thread with the pad of substrate 2 upper surface; BT resin substrate can double-deck or multilayer circuit wiring; thus realize more complicated circuit; use epoxy resin or silica gel etc. to cover LED grain 5 and gold thread in reflector 3, packing colloid can protect the propagation of LED grain 5 and gold thread and change light.
In specific implementation process, described LED grain 5 is 3, comprises redness, yellow and blue, represents a pixel.
As shown in Figure 5, in order to produce in batches, LED support 1 is carried out matrix arrangement, in LED support 1, LED grain 5 after carrying out circuit connection by elargol or gold thread is installed, re-use epoxy resin and cover LED grain 5, again the cutting of the substrate 2 of LED support 1 is come after curing molding, form the LED lamp bead 4 of single.
The corresponding same or analogous parts of same or analogous label; The term describing position relationship in accompanying drawing, only for exemplary illustration, can not be interpreted as the restriction to this patent; Obviously, above-described embodiment of the present utility model is only for the utility model example is clearly described, and is not the restriction to execution mode of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all execution modes.All do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., within the protection range that all should be included in the utility model claim.

Claims (8)

1. a LED support, it is characterized in that, described LED support comprises substrate, upper surface of base plate and lower surface are provided with corresponding multiple pads, the region surrounding that upper surface of base plate arranges pad is provided with the reflector of bottomless ring-type, and the pad that upper surface of base plate is corresponding with lower surface is connected by metal vias.
2. LED support according to claim 1, is characterized in that, it is characterized in that, described reflector is opaque reflector.
3. LED support according to claim 1, is characterized in that, the contact-making surface of described reflector and substrate scribbles glue layer.
4. LED support according to claim 1, is characterized in that, described reflector is shaped in the upper surface of described substrate.
5. LED support according to claim 1, is characterized in that, described substrate is BT resin substrate.
6. the LED lamp bead based on LED support described in claim 1, it is characterized in that, described LED lamp bead comprises above-mentioned LED support, and the upper surface of base plate in reflector is provided with LED grain, LED grain is linked by the pad of metal wire with upper surface of base plate, and reflector inside is filled with packing colloid.
7. LED lamp bead according to claim 6, is characterized in that, it is characterized in that, described reflector is opaque reflector.
8. LED lamp bead according to claim 6, is characterized in that, described substrate is BT resin substrate.
CN201420864107.6U 2014-12-31 2014-12-31 A kind of LED support and LED lamp bead Expired - Fee Related CN204424308U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420864107.6U CN204424308U (en) 2014-12-31 2014-12-31 A kind of LED support and LED lamp bead

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420864107.6U CN204424308U (en) 2014-12-31 2014-12-31 A kind of LED support and LED lamp bead

Publications (1)

Publication Number Publication Date
CN204424308U true CN204424308U (en) 2015-06-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106932879A (en) * 2015-11-12 2017-07-07 日月光半导体制造股份有限公司 Optical device packaging and its manufacture method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106932879A (en) * 2015-11-12 2017-07-07 日月光半导体制造股份有限公司 Optical device packaging and its manufacture method

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150624

Termination date: 20191231