CN201174842Y - Electronic device - Google Patents
Electronic device Download PDFInfo
- Publication number
- CN201174842Y CN201174842Y CNU2008201071396U CN200820107139U CN201174842Y CN 201174842 Y CN201174842 Y CN 201174842Y CN U2008201071396 U CNU2008201071396 U CN U2008201071396U CN 200820107139 U CN200820107139 U CN 200820107139U CN 201174842 Y CN201174842 Y CN 201174842Y
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- CN
- China
- Prior art keywords
- wiring board
- printed wiring
- flexible printed
- electronic component
- metal level
- 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
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- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Structure Of Printed Boards (AREA)
Abstract
The utility model provides an electronic device, comprising a first electronic element, a second electronic element and a flexible printing circuit board, wherein two ends of the flexible printing circuit board are respectively connected with the first electronic element and the second electronic element, the flexible printing circuit board comprises a base material and a metal layer; a first surface and a second surface are respectively formed by two surfaces of the base material, at least a bending area in a bent state is formed between the first electronic element and the second electronic element; the metal layer is arranged on the first surface of the base material and has at least one opening which is exposed to the bending area correspondingly; and the first surface is an outer edge surface positioned at the bending position, and the second surface is an inner edge surface positioned at the bending position.
Description
Technical field
The utility model relates to a kind of electronic installation, and particularly has the electronic installation of segmented metal level relevant for a kind of its flexible printed wiring board.
Background technology
(Flexible Print Circuit Board FPCB) has pliability and electronic component can being arranged on the soft base material to flexible printed wiring board, so industry is that flexible printed wiring board is applied to multiple electronic product, to reach the characteristic of miniaturization.
Because flexible printed wiring board may cause electronic component to damage because of the static that extraneous (as human body) produces, therefore traditional flexible printed wiring board is to utilize a metal level to be covered on the base material to discharge the static of flexible printed wiring board.Yet traditional flexible printed wiring board promptly causes bigger bounce owing to comprehensive shop metal level causes flexility not good, has more following shortcoming in addition:
The first, because bounce is bigger, so the product assembling time need spend more strength and causes the assembling degree of difficulty to improve and efficient reduces.
The second, the excessive situation that causes element to attach insecure or the short circuit of producing component escape easily of bounce takes place, thereby reduces the product reliability.
The problem of element solder crack when causing the product connector to engage easily that three, bounce is excessive.
The utility model content
In view of this, the utility model relates to a kind of electronic installation, is with in its flexible printed wiring board, and the metal level with opening is arranged on the base material, and the opening of metal level is the flex area place that is positioned at base material, has preferable flexility after making the flexible printed wiring board deflection.
According to one side of the present utility model, a kind of electronic installation is proposed, comprise one first electronic component, one second electronic component and a flexible printed wiring board, the two ends of flexible printed wiring board are linked to first electronic component and second electronic component respectively, and flexible printed wiring board comprises a base material and a metal level.Two of base material form a first surface and a second surface respectively, and be formed with at least one flex area that is bending state between first electronic component and second electronic components.Metal level is the first surface that is arranged at base material, and metal level has at least one opening to expose flex area accordingly.First surface is the outer edge surface that is positioned at crooked place, and second surface is the inner edge surface that is positioned at crooked place, the utility model, can avoid owing to the big difficulty of bringing of bounce, effectively promoted the packaging efficiency of product, and product quality, and can effectively draw static.
Description of drawings
Fig. 1 illustrates the profile according to a kind of electronic installation of this novel preferred embodiment;
Fig. 2 illustrate flexible printed wiring board destroy or force to yield the back electronic installation profile;
Fig. 3 illustrates the vertical view of the flexible printed wiring board of Fig. 1;
Fig. 4 A～4C illustrates the vertical view of the flexible printed wiring board of this other novel embodiment; And
Fig. 5 is illustrated in the schematic diagram that flex area has the flexible printed wiring board of the 3rd electronic component.
Symbol description
10: electronic installation 100,100a, 100b, 100c, 100d: flexible printed wiring board
110: base material 110a: first surface
110b: second surface 120: the first metal layer
121: opening 121a～121d: sideline
160: the second metal levels of 150: the second insulating barriers
200: the first electronic components of 170: the three electronic components
210: 300: the second electronic components of connector
D: flex area H: the thickness of connector
T: the thickness of first electronic component
Embodiment
Please refer to Fig. 1, it illustrates the profile according to a kind of electronic installation of this novel preferred embodiment.Electronic installation 10 comprises a flexible printed wiring board 100, one first electronic component 200 and one second electronic component 300.The two ends of flexible printed wiring board 100 are linked to first electronic component 200 and second electronic component 300 respectively, and flexible printed wiring board 100 comprises a base material 110 and a first metal layer 120.The two sides of base material 110 forms a first surface 110a and a second surface 110b respectively.Base material 110 is flexility and is at least one flex area D of bending state in first electronic component 200 and 300 formation of second electronic component.The first metal layer 120 is arranged at the first surface 110a of base material 110, and has at least one opening 121 to expose flex area D accordingly.
Fig. 2 illustrate flexible printed wiring board destroy or force to yield the back electronic installation profile.Be to link first electronic component 200 and second electronic component 300 when flexible printed wiring board 100 deflections, the substrate 110 that is positioned at flex area D is exposed shape by the setting of opening 121, and first surface 110a is positioned at the outer edge surface of crooked place, and second surface 110b is positioned at the inner edge surface of crooked place.Because the opening 121 of the first metal layer 120 exposes flex area D, so the flex area D of flexible printed wiring board 100 is not subjected to the influence of the first metal layer 120 rigidity, and has preferable flexility.
The material of the first metal layer 120 is a copper preferably, has preferable conductivity, and right the first metal layer 120 also can be the conductive material of other metal or metalloid.Moreover, the first metal layer 120 is to be connected to an earth terminal (not being illustrated among the figure), and therefore when static put on flexible printed wiring board 100, static can be led to the outside by earth terminal, and can not put on electronic component, cause and damage or because of the generation of static electricity noise.
Furthermore, flexible printed wiring board 100 comprises that also one first insulating barrier 130 is covered in the first metal layer 120 partly, and exposes the part the first metal layer 120 of adjacent openings 121.First insulating barrier 130 has the function that prevents the first metal layer 120 oxidations, and can completely cut off dust and moisture contamination that most the first metal layer 120 is subjected to the external world.In present embodiment, the material of first insulating barrier 130 is pi (polyimide), and it has effects such as thermal endurance height, intensity height, thin thickness and insulating properties be good, and right first insulating barrier 130 also can be the material that other has insulating properties.
In general, flexible printed wiring board 100 is arranged at the shell place near electronic installation 10 usually.Direct capacitance The book of Changes is entered by the shell place of electronic installation 10 and puts on flexible printed wiring board 100, first electronic component 200 and second electronic component 300 randomly.Though first insulating barrier 130 on the flexible printed wiring board 100 has the function of anti-high-pressure electrostatic, yet has only insulating barrier can't reach complete antistatic protection function.In view of this, this is novel to be to absorb static and guide static to earth terminal by the first metal layer 120 that flexible printed wiring board 100 exposes, guaranteeing that flexible printed wiring board 100, first electronic component 200 and second electronic component 300 can not be subjected to electrostatic interaction and damage, and reach comprehensive antistatic protection function.
In addition, in this present embodiment, flexible printed wiring board 100 is to be that example explains with doubling plate (double-sidedFPC).As shown in Figure 2, flexible printed wiring board 100 comprises a conductor layer 140 and one second insulating barrier 150.Conductor layer 140 is the second surface 110b that are positioned at base material 110, and second insulating barrier 150 is to be covered in conductor layer 140.Yet flexible printed wiring board 100 is not defined as doubling plate, can be lamina (single-sided FPC) or multi-layer sheet (multilayer-sided FPC) yet.
As shown in Figure 2, be to connect first electronic component 200 and second electronic component 300 after flexible printed wiring board 100 is destroyed or force to yield.First electronic component 200 for example is printed circuit board (PCB) and comprises connector 210, makes an end of flexible printed wiring board 100 be fixed in connector 210, by this with the electrically connect flexible printed wiring board 100 and first electronic component 200.Second electronic component 300 for example is LCD MODULE (LiquidCrystal Display Module, LCM), and second insulating barrier 150 of flexible printed wiring board 100 is partly to cover conductor layer 140, and the conductor layer 140 of an end of flexible printed wiring board 100 is outside being exposed to, in order to be connected to connector 210.
In addition, the thickness of first electronic component 200 is T, and that connector 210 is thickness H, and treats that the width of bending part D is the arc length of diameter greater than the thickness H of connector 210 and the thickness T of first electronic component 200 at least, i.e. D 〉=π (H+T)/2.
Fig. 3 illustrates the vertical view of the flexible printed wiring board of Fig. 1.In present embodiment, the first metal layer 120 can be made as netted, and the first metal layer 120 also can be whole formula metal level.And the sideline 121a of the opening 121 of the first metal layer 120 of present embodiment is straight line, or the sideline of the opening 121 of the first metal layer 120 can be irregular.
Please refer to Fig. 4 A～Fig. 4 C, it illustrates the vertical view of the flexible printed wiring board of this other novel embodiment.Shown in Fig. 4 A, the sideline 121b of the opening 121 of the first metal layer 120 is irregular wavy among the flexible printed wiring board 100a.Shown in Fig. 4 B, the sideline 121c of the opening 121 of the first metal layer 120 is equidistant polygon among the flexible printed wiring board 100b.Shown in Fig. 4 C, the sideline 121d of the opening 121 of the first metal layer 120 is not equidistant polygon among the flexible printed wiring board 100c.Flexible printed wiring board can have difform sideline, therefore can determine the shape in the sideline of flexible printed wiring board according to the configuration mode of other element, to increase the structural strength of flexible printer circuit.
Please refer to Fig. 5, it is illustrated in the schematic diagram that flex area has the flexible printed wiring board of the 3rd electronic component.Flexible printed wiring board 100d is provided with at least one the 3rd electronic component 170 in flex area D, and flexible printed wiring board 100d is provided with one second metal level 160 in electronic component 170 peripheries.Be arranged at flex area D by the 3rd electronic component 170, make flexible printed wiring board 100d have diversified configuration, and second metal level 160 is set around electronic component 170, can absorbs static, caused the noise that damages or produce because of static to avoid static to put on the 3rd electronic component 170.
In present embodiment, " the first metal layer 120 " reaches " second metal level 160 " is that when practical application, the first metal layer 120, second metal level 160 are to can be in the same processing procedure to form in order to the metal level of differentiation zones of different.In addition, " first insulating barrier 130 " reaches " second insulating barrier 150 " is in order to distinguishing the insulating barrier of zones of different, and when practical application, first insulating barrier 130 and second insulating barrier 150 are to can be identical material.
Above-mentioned flexible printed wiring board according to this novel preferred embodiment, be that metal level is arranged at base material, and metal level is to be made as an opening in the flex area position of corresponding base material, to expose the flex area of base material, not only improve flexility, bounce more is reduced to 147g by the 250g of traditional flexible printed wiring board; Below only enumerating other advantage of part is described as follows:
The first, because bounce reduces easness when therefore improving the product assembling and then raising packaging efficiency.
The second, because bounce reduces, therefore can reduce the situation that element attaches insecure or the short circuit of element escape effectively, and then improve the product reliability and promote the product yield.
Three, comply with the flexible printed wiring board of this novel preferred embodiment with an instrument test that can discharge high-pressure electrostatic, (electro-static discharge, ESD) value can be promoted to 20KV to its static discharge that can bear, and therefore can draw static effectively.
In sum, though the utility model discloses as above with preferred embodiment, so it is not novel in order to limit this.Have in the technical field under this is novel and know the knowledgeable usually, in not breaking away from these novel spirit and scope, when being used for a variety of modifications and variations.Therefore, protection range of the present utility model is when being as the criterion according to the content that claim defined.
Claims (10)
1. an electronic installation is characterized in that, comprising:
One first electronic component and one second electronic component; And
One flexible printed wiring board, the two ends of this flexible printed wiring board are linked to this first electronic component and this second electronic component respectively, and this flexible printed wiring board comprises:
One base material, two of this base material form a first surface and a second surface respectively, and are formed with at least one flex area that is bending state between this first electronic component and this second electronic component; And
One metal level is this first surface that is arranged at this base material, and this metal level has at least one opening exposing this flex area accordingly, and this first surface is the outer edge surface that is positioned at crooked place, and this second surface is the inner edge surface that is positioned at crooked place.
2. electronic installation as claimed in claim 1 is characterized in that, this metal level of this flexible printed wiring board is to be connected in an earth terminal.
3. electronic installation as claimed in claim 1 is characterized in that, this flexible printed wiring board also comprises:
One insulating barrier covers this a part of metal level, and exposes this metal level of contiguous this opening.
4. electronic installation as claimed in claim 1 is characterized in that, this first electronic component comprises:
A connector, end for this flexible printed wiring board is fixed in this connector, and this flexible printed wiring board is electrically connected at this first electronic component, and the width of this flex area is the formed arc length of diameter more than or equal to the thickness with this connector and this first electronic component at least.
5. electronic installation as claimed in claim 1 is characterized in that, this metal level be made as netted.
6. electronic installation as claimed in claim 1 is characterized in that, the sideline of this opening of this metal level is irregular.
7. electronic installation as claimed in claim 1 is characterized in that, the sideline of this opening of this metal level is to be irregular wave shape.
8. electronic installation as claimed in claim 1 is characterized in that, this opening of this metal level be shaped as an equidistant polygon.
9. electronic installation as claimed in claim 1 is characterized in that, this opening of this metal level be shaped as equidistant polygon.
10. electronic installation as claimed in claim 1 is characterized in that, this flexible printed wiring board also comprises:
One the 3rd electronic component is to be arranged at this flex area; And
Another metal level is to be arranged at around the 3rd electronic component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201071396U CN201174842Y (en) | 2008-04-02 | 2008-04-02 | Electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201071396U CN201174842Y (en) | 2008-04-02 | 2008-04-02 | Electronic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201174842Y true CN201174842Y (en) | 2008-12-31 |
Family
ID=40201973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201071396U Expired - Fee Related CN201174842Y (en) | 2008-04-02 | 2008-04-02 | Electronic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201174842Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102026475B (en) * | 2009-09-22 | 2012-03-21 | 群康科技(深圳)有限公司 | Flexible printed circuit board and method for manufacturing display |
| CN104302093A (en) * | 2013-07-18 | 2015-01-21 | 三星显示有限公司 | Flexible printed circuit film and display device including the same |
| CN104919907A (en) * | 2014-01-14 | 2015-09-16 | 名幸电子有限公司 | Printed circuit board |
| CN108694790A (en) * | 2017-04-07 | 2018-10-23 | 佛山市顺德区顺达电脑厂有限公司 | Electronic device |
| CN110536539A (en) * | 2018-05-24 | 2019-12-03 | 群创光电股份有限公司 | Electronic device |
| US11199736B2 (en) | 2018-05-24 | 2021-12-14 | Innolux Corporation | Electronic device |
-
2008
- 2008-04-02 CN CNU2008201071396U patent/CN201174842Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102026475B (en) * | 2009-09-22 | 2012-03-21 | 群康科技(深圳)有限公司 | Flexible printed circuit board and method for manufacturing display |
| US8367936B2 (en) | 2009-09-22 | 2013-02-05 | Innocom Technology (Shenzhen) Co., Ltd. | Flexible printed circuit board and method for forming monitor |
| CN104302093A (en) * | 2013-07-18 | 2015-01-21 | 三星显示有限公司 | Flexible printed circuit film and display device including the same |
| CN104919907A (en) * | 2014-01-14 | 2015-09-16 | 名幸电子有限公司 | Printed circuit board |
| CN108694790A (en) * | 2017-04-07 | 2018-10-23 | 佛山市顺德区顺达电脑厂有限公司 | Electronic device |
| CN110536539A (en) * | 2018-05-24 | 2019-12-03 | 群创光电股份有限公司 | Electronic device |
| US11199736B2 (en) | 2018-05-24 | 2021-12-14 | Innolux Corporation | Electronic device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081231 Termination date: 20150402 |
|
| EXPY | Termination of patent right or utility model |