CN208738287U - A kind of novel fixed device of LED charactrons digital screen production - Google Patents
A kind of novel fixed device of LED charactrons digital screen production Download PDFInfo
- Publication number
- CN208738287U CN208738287U CN201820456571.XU CN201820456571U CN208738287U CN 208738287 U CN208738287 U CN 208738287U CN 201820456571 U CN201820456571 U CN 201820456571U CN 208738287 U CN208738287 U CN 208738287U
- Authority
- CN
- China
- Prior art keywords
- pcb board
- chip
- flip
- led charactrons
- utility
- 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
Links
- 238000004519 manufacturing process Methods 0.000 title abstract description 12
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000006071 cream Substances 0.000 claims abstract description 13
- 238000005476 soldering Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000005538 encapsulation Methods 0.000 description 3
- 239000011265 semifinished product Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 235000003392 Curcuma domestica Nutrition 0.000 description 1
- 244000008991 Curcuma longa Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 235000003373 curcuma longa Nutrition 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 235000013976 turmeric Nutrition 0.000 description 1
Abstract
The utility model discloses a kind of novel LED charactrons digital screens to produce fixed device, including pcb board, it is provided on pcb board positive and negative electrode pad (1), point has tin cream (2) on the positive and negative electrode pad (1), and a flip-chip (3) are welded to connect on pcb board.The utility model applies SMT and die bond production technology, and flip-chip or LED patch luminous tube be used in the manufacturing of LED charactrons, digital screen, bad hidden danger caused by avoiding in production process while not only improving efficiency but also can promote product quality.
Description
Technical field
The utility model relates to LED charactrons, digital screen field, specifically design a kind of novel LED charactrons digital screen
Produce fixed device.
Background technique
Currently, take the production technology of binding to carry out operation substantially in LED charactrons, the manufacturing field of digital screen,
Specially die bond → bonding wire (aluminum steel welding) → semi-finished product test → encapsulation → finished product test → shipment of putting in storage, and manufacturing
In the process, the processes such as bonding wire, semi-finished product test, encapsulation be easy to cause operator touching surface of semi-finished to lead to aluminum steel welding position
It collapses, causes pulling force inadequate, so that the yields of finished product declines.
Summary of the invention
The technical problem to be solved by the utility model is to provide a kind of novel fixed dresses of LED charactrons digital screen production
It sets, using flip-chip and LED patch luminous tube, replaces aluminum steel welding sequence with the cured mode of molten tin, can avoid subsequent work
Aluminum steel collapses caused bad hidden danger during industry.
The utility model is achieved through the following technical solutions: including pcb board, positive and negative electrode weldering is provided on pcb board
Disk, point has tin cream on the positive and negative electrode pad, and a flip-chip is welded to connect on pcb board.
P N knot is provided on the flip-chip as a preferred technical solution, the tin cream that P N knot faces pcb board is set
It sets.
The P N knot of the flip-chip connect conduction with tin cream by Reflow Soldering as a preferred technical solution,
The beneficial effects of the utility model are: flip-chip and LED patch are sent out invention applies SMT production technology
Light pipe is used in the manufacturing of LED charactrons, digital screen, avoid it is artificial caused by bad hidden danger not only saved simultaneously manually but also
Product quality can be promoted.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the bottom substance schematic diagram of the flip-chip of the utility model.
Specific embodiment
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
Any feature disclosed in this specification (including any accessory claim, abstract and attached drawing), except non-specifically chatting
It states, can be replaced by other alternative features that are equivalent or have similar purpose.That is, unless specifically stated, each feature is only
It is an example in a series of equivalent or similar characteristics.
As depicted in figs. 1 and 2, including pcb board, positive and negative electrode pad 1 is provided on pcb board, there is point on positive and negative electrode pad 1
Tin cream 2 is welded to connect a flip-chip 3 on pcb board, P N knot 4 is provided on flip-chip 3, P N knot 4 faces pcb board
Tin cream 2 is arranged.The P N knot 4 of flip-chip 3 connect conduction with tin cream 2 by Reflow Soldering.
The automatic bonder or SMT chip mounter of the utility model customization fix flip-chip or LED patch luminous tube
In the PCB surface for being printed on tin cream, then by solder reflow device, just flip-chip or LED patch are sent out after solid tin fusing is cooling
Light pipe is fixed on PCB surface, then carries out semi-finished product test, encapsulation, shipment of finally putting in storage again.
1, pcb board pad is to put luminescence chip position, and two pads distinguish two foot position controls, and pad can generally plate
Gold, turmeric, spray tin, OSP；
2, conductive tin cream effect sticks on pad for that will lead cartridge chip, by Reflow Soldering conduction tin cream by high-temperature digestion,
Become liquid tin liquor, drop liquid tin at temperature after coming out of the stove becomes solid again, leads so that flip-chip be clung with pad and risen
Logical effect；
3, flip-chip P N, which becomes, is conductively connected position, and according to the polar requirement of production product, cartridge chip P N is led in selection
Two positions of knot and pcb board pad corresponding direction
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, any change or replacement expected without creative work be should be covered within the scope of the utility model.
Therefore, the protection scope of the utility model should be determined by the scope of protection defined in the claims.
Claims (1)
1. a kind of novel LED charactrons digital screen produces fixed device, it is characterised in that: including pcb board, be arranged on pcb board
Have positive and negative electrode pad (1), point there are tin cream (2) on the positive and negative electrode pad (1), and a flip-chip is welded to connect on pcb board
(3), P N knot (4) is provided on the flip-chip (3), PN junction (4) faces tin cream (2) setting of pcb board, the upside-down mounting
The P N knot (4) of chip (3) connect conduction with tin cream (2) by Reflow Soldering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820456571.XU CN208738287U (en) | 2018-04-03 | 2018-04-03 | A kind of novel fixed device of LED charactrons digital screen production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820456571.XU CN208738287U (en) | 2018-04-03 | 2018-04-03 | A kind of novel fixed device of LED charactrons digital screen production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208738287U true CN208738287U (en) | 2019-04-12 |
Family
ID=66021537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820456571.XU Expired - Fee Related CN208738287U (en) | 2018-04-03 | 2018-04-03 | A kind of novel fixed device of LED charactrons digital screen production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208738287U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110324986A (en) * | 2019-06-21 | 2019-10-11 | 江西恒明科技发展有限公司 | The preparation method of charactron |
-
2018
- 2018-04-03 CN CN201820456571.XU patent/CN208738287U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110324986A (en) * | 2019-06-21 | 2019-10-11 | 江西恒明科技发展有限公司 | The preparation method of charactron |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190412 |