CN208387000U - Flexible circuit board and display equipment - Google Patents
Flexible circuit board and display equipment Download PDFInfo
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- CN208387000U CN208387000U CN201821025323.6U CN201821025323U CN208387000U CN 208387000 U CN208387000 U CN 208387000U CN 201821025323 U CN201821025323 U CN 201821025323U CN 208387000 U CN208387000 U CN 208387000U
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- circuit board
- flexible circuit
- bent area
- metalwork
- ontology
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Abstract
The utility model discloses a kind of flexible circuit board and display equipment, the flexible circuit board, including ontology, and the ontology has bent area and non-bent area, is equipped with shielding part on the outside of the bent area, and the ontology and the shielding part are integrally formed setting.The utility model shows the high communication quality of equipment.
Description
Technical field
The utility model relates to show equipment technical field, in particular to a kind of flexible circuit board and display equipment.
Background technique
Radio frequency is a kind of high-frequency alternating current, that is, usually said electromagnetic wave.Radio frequency interference is exactly that electromagnetic wave is brought
Interference, such as the few electromagnetic wave of two frequency phase-differences can be received simultaneously machine reception interfere, on the ground close from transmitting station
Fang Huiyou harmonic wave interference.Mobile phone radio frequency interference is more than required standard, will affect the reception and transmission of mobile phone wireless electric signal, such as
Mobile phone is being conversed, online and when touch control operation, will affect speech quality, networking speed and touch experience etc..Existing mobile phone
On the bent area of flexible circuit board be not provided with shielded layer mostly, and the antenna area of mobile phone is placed exactly in bent area, leads to hand
Machine is easy the interference by extraneous signal, influences communication quality when conversing or receiving signal.
Utility model content
The main purpose of the utility model is to provide a kind of flexible circuit board, it is intended to improve the communication quality of display equipment.
To achieve the above object, the utility model proposes flexible circuit board, including ontology, the ontology has bent area
With non-bent area, it is equipped with shielding part on the outside of the bent area, the ontology and the shielding part are integrally formed setting.
Optionally, the shielding part includes the first metalwork and metal film for being cascadingly set on the ontology.
Optionally, the thickness range of first metalwork is d1, and the value range of d1 is 2um≤d1≤22um, and/
Or, the thickness range of the metal film is d2, the value range of d2 is 0um < d2≤16um.
Optionally, the bent area further includes the first gluing part and the first insulating part for being sequentially arranged in the shielding part, institute
State the surface that the first gluing part deviates from first metalwork set on the metal film.
Optionally, the ontology includes the first surface and second surface being oppositely arranged, and the shielding part is set to described the
One surface, the non-bent area further include the first conduct piece set on the first surface, first conduct piece and the screen
The setting of shield interval.
Optionally, first conduct piece includes the second metalwork and first for being cascadingly set on the first surface
Conductive film；The non-bent area further includes the second gluing part and the second insulating part being stacked, and the second gluing part is set to
First conductive film is backwards to the surface of second metalwork.
Optionally, the non-bent area is additionally provided with electromagnetic shielding film, and the electromagnetic shielding film is set to second insulating part
Backwards to the surface of first conduct piece, the electromagnetic shielding film is equipped at intervals with multiple apertures, and each aperture accommodates the first dew
Copper area；And the non-bent area further includes the second dew copper being located between the electromagnetic shielding film and second insulating part
Area, with the first dew copper section every setting, the area second Lu Tong is electrically connected with the electromagnetic shielding film in the second area Lu Tong.
Optionally, the flexible circuit board further includes the second conduct piece set on the second surface, and described second is conductive
Part covers the bent area and non-bent area.
Optionally, second conduct piece includes the third metalwork and second for being cascadingly set on the second surface
Conductive film；The non-bent area further includes the third gluing part and third insulating part being stacked, and the third gluing part is set to
Second conductive film is backwards to the surface of the third metalwork.
The utility model also provides a kind of display equipment, which includes flexible circuit board, the flexible circuit board,
Including ontology, the ontology has bent area and non-bent area, is equipped with shielding part, the bent area and institute on the outside of the bent area
Shielding part is stated to be integrally formed setting.
The flexible circuit board of technical solutions of the utility model includes ontology, and ontology has bent area and non-bent area, passes through
Shielding part is equipped on the outside of bent area, so that display equipment such as mobile phone shields when by the signal interference of itself or other devices
Extraneous signal can be isolated in shield, prevent it by line transmission bring crosstalk, to improve communication quality, separately
Outside, ontology and shielding part are integrally formed setting, reduce procedure of processing, save the cost.
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, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the positive structure schematic that the utility model shows one embodiment of equipment；
Fig. 2 is the structure schematic diagram that the utility model shows one embodiment of equipment；
Fig. 3 is that the utility model shows the structure schematic diagram after equipment bending；
Fig. 4 is the part cut-away view that the utility model shows equipment；
Fig. 5 is the part cut-away view that the utility model flexible circuit board is not provided with electromagnetic shielding film.
Drawing reference numeral explanation:
| Label | Title | Label | Title |
| 1000 | Show equipment | 511 | Second metalwork |
| 100 | Flexible circuit board | 512 | First conductive film |
| 10 | Ontology | 513 | Second insulating part |
| 11 | First surface | 514 | Second gluing part |
| 12 | Second surface | 52 | Electromagnetic shielding film |
| 30 | Bent area | 520 | Aperture |
| 31 | Shielding part | 53 | First area Lu Tong |
| 311 | First metalwork | 55 | Second conduct piece |
| 312 | Metal film | 551 | Third metalwork |
| 313 | First insulating part | 552 | Second conductive film |
| 314 | First gluing part | 553 | Third insulating part |
| 32 | Interconnecting piece | 554 | Third gluing part |
| 33 | Bending part | 555 | Element region |
| 50 | Non- bent area | 60 | Golden finger |
| 51 | First conduct piece |
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. should do broad sense reason
Solution, for example, " fixation " may be a fixed connection, may be a detachable connection, or integral；It can be mechanical connection, it can also
To be electrical connection；It can be directly connected, the connection inside two elements can also be can be indirectly connected through an intermediary
Or the interaction relationship of two elements, unless otherwise restricted clearly.It for the ordinary skill in the art, can be with
The concrete meaning of above-mentioned term in the present invention is understood as the case may be.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and cannot manage
Solution is its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " the
One ", the feature of " second " can explicitly or implicitly include at least one of the features.In addition, the skill between each embodiment
Art scheme can be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when technical solution
It will be understood that the combination of this technical solution is not present in conjunction with there is conflicting or cannot achieve when, also not in the utility model
It is required that protection scope within.
The utility model proposes a kind of flexible circuit board 100, which is mainly used in mobile phone, but removes this
Except, tablet computer, wearable device and vehicle-carrying display screen etc. can all be widely applied.
Referring to figs. 1 to Fig. 5, in the utility model embodiment, the flexible circuit board 100, including ontology 10, the ontology
10 have bent area 30 and non-bent area 50, are equipped with shielding part 31, the ontology 30 and the shielding on the outside of the bent area 30
Part 31 is integrally formed setting.
Specifically, the bent area 30 of flexible circuit board 100 is to connect with the LCD mould group (not shown) in display equipment 1000
One end, non-bent area 50 is and one end for connecting of backlight module (not shown) of display equipment 1000.Please refer to Fig. 1, Fig. 2 and
Fig. 5, assembly when, when bent area 30 with display equipment 1000 on LCD mould group connect, rather than bent area 50 for and show equipment
When one end of 1000 backlight module connection is not connected, bent area 30 and non-bent area 50 are in same plane, flexible circuit board 100
In elongation state；Fig. 3 and Fig. 4 are please referred to, when bent area 30 is connect with the LCD mould group in display equipment 1000, and non-bending
When area 50 is that the one end connecting with the backlight module of display equipment 1000 connects, flexible circuit board 100 is in bending state at this time,
Bent area 30 includes the interconnecting piece 32 and bending part 33 connecting with LCD mould group, and non-bent area 50 is connect with bending part 33.
Shielding part 31 is equipped on the outside of bent area 30, i.e., when flexible circuit board 100 is in bending state, bent area 30 is away from back
The side of optical mode group.Shielding part 31 both can be set in interconnecting piece 32, also can be set in bending part 33, this is not restricted.
32 one end of interconnecting piece is equipped with golden finger 60, and one end equipped with golden finger 60 is used for and the LCD in display equipment 1000
Mould group is electrically connected, and after flexible circuit board 100 is bent, non-bent area 50 is connect with the backlight module of display equipment 1000.Its
Middle shielding part 31 with a thickness of 8um~26um, shielding part 31 is the component with shielding action, such as metal.
Ontology 10 and shielding part 31 are integrally formed setting, and ontology 10 is polyimides, can be carried out preferable bending, volume
Around, fold, ontology 10 with a thickness of 15um~35um.Shielding part 31 and ontology 10, which are integrally formed, to be arranged, and existing technique is avoided
Secondary operation increases cost.
The flexible circuit board 100 of technical solutions of the utility model includes ontology 10, and ontology 10 has bent area 30 and non-curved
Folding area 50, by being equipped with shielding part 31 on the outside of bent area 30, so that display equipment 1000 such as mobile phone is by itself or other
When the signal interference of device, extraneous signal can be isolated in shielding part 31, prevent it by line transmission bring crosstalk,
To improve communication quality, the setting in addition, ontology 10 and shielding part 31 are integrally formed reduces procedure of processing, save the cost.
Referring to Fig. 5, the shielding part 31 includes the first metalwork 311 and metal for being cascadingly set on the ontology 10
Film 312.
In the present embodiment, shielding part 31 includes the first metalwork 311 and metal film for being cascadingly set on ontology 10
312, wherein the first metalwork 311 is integrally formed with ontology 10 and is arranged, metal film 312 is set with the integrated molding of the first metalwork 311
It sets, the first metalwork 311 is copper foil, and metal film 312 is copper plate, and the two combines, and shield effectiveness is more preferable, and whole antistatic
Ability is strong, prevents interference of the mobile phone by external signal.
Further, the thickness range of first metalwork is d1, and the value range of d1 is 2um≤d1≤22um, and/
Or, the thickness range of the metal film is d2, the value range of d2 is 0um < d2≤16um.It is preferred that the first metalwork 311
Thickness d 1 is 2um, 12um, 22um, and the thickness d 2 of metal film 312 is 0.5um, 10um, 16um.
It is understood that the thickness when the first metalwork 311 is too thin, when being less than 2um, shield effectiveness is bad, when the
When the thickness of one metalwork 311 is greater than 22um, 30 integral thickness of bent area of flexible circuit board 100 is caused to increase, it is easy and its
He generates interference by component.Therefore set appropriate between 2um to 22um for 1 range of thickness d of the first metalwork 311.
Similarly, the thickness of metal film 312 need to be greater than 0, when the thickness of metal film 312 is greater than 16um, it has not been convenient to it processes, and
Increase cost, therefore sets appropriate between 0um to 16um for the thickness d of metal film 312 2.
Further, the bent area 30 further includes the first gluing part 314 and first for being sequentially arranged in the shielding part 31
Insulating part 313, the first gluing part 314 are set to the surface that the metal film 312 deviates from first metalwork 311.
In the present embodiment, the naked leakage of shielding part 31 in order to prevent is corroded in air, while guaranteeing flexible circuit board 100
Metal film 312 is equipped with the first insulating part 313 away from the surface of the first metalwork 311 by flexibility, and the first insulating part 313 is polyamides
Imines, with a thickness of d3,2.5um≤d3≤22.5um.In addition, in order to guarantee to have between the first insulating part 313 and metal film 312
There is preferable fitting effect, the first insulating part 313 is bonded with metal film 312 by the first gluing part 314, the first gluing
Part 314 can be carried out certain stretching, bending, compression with preferable mechanical property for acrylic glue.
Referring to Fig. 5, the ontology 10 includes the first surface 11 and second surface 12 being oppositely arranged, and the shielding part 31 is set
In the first surface 11, the non-bent area 50 further includes the first conduct piece 51 set on the first surface 11, and described the
One conduct piece 51 is arranged with the shielding part 31 interval.
In the present embodiment, the first surface 11 of non-bent area 50 is equipped with the first conduct piece 51, for cabling to be arranged, realizes electricity
Road conducting.Wherein the first conduct piece 51 is arranged with the interval of shielding part 31, and the two is not interfere with each other.First conduct piece 51 with a thickness of
The value range of d4, d4 are 8um≤d4≤26um.
Further, first conduct piece 51 includes the second metalwork for being cascadingly set on the first surface 11
511 and first conductive film 512；The non-bent area 50 further includes the second gluing part 514 and the second insulating part being stacked
513, the second gluing part 514 is set to first conductive film 512 backwards to the surface of second metalwork 511.
It is understood that the first conduct piece 51 includes the second metalwork 511 and the first conductive film 512, wherein the second gold medal
Belong to part 511 and ontology 10 is integrally formed and is arranged, the first conductive film 512 and the second metalwork 511 are integrally formed and are arranged, the second metal
Part 511 is copper foil, and the first conductive film 512 is copper plate, and the two combines, and conductive effect is more preferable.
Before processing, the first conduct piece 51 of first surface 11 is the entirety being connected with shielding part 31, by etching work
Skill will be etched between the first conduct piece 51 and shielding part 31, so that the first conduct piece 51 and the setting of the interval of shielding part 31, two
Person is for realizing different functions.
Wherein, the second metalwork 511 with a thickness of d5, the value range of d5 is 2um≤d5≤22um, the first conductive film
512 with a thickness of d6, the value range of d6 is 0um < d6≤16um.
In order to protect to the first conduct piece 51, non-bent area 50 further includes 514 He of the second gluing part being stacked
Second insulating part 513, the second gluing part 514 are set to first conductive film 512 backwards to the surface of second metalwork 511.
Second insulating part 513 is polyimides, and with a thickness of d7, the value range of d7 is 2.5um≤d7≤22.5um, the second gluing part
514 can be carried out certain stretching, bending, compression with preferable mechanical property for acrylic glue.
Referring to Figure 1 and Figure 3, the non-bent area 50 is additionally provided with electromagnetic shielding film 52, and the electromagnetic shielding film 52 is set to institute
The second insulating part 513 is stated backwards to the surface of first conduct piece 51, the electromagnetic shielding film 52 is equipped at intervals with multiple apertures
520, each aperture 520 accommodates the first area Lu Tong 53；And the non-bent area 50 further includes being located in the electromagnetic shielding film
The second area Lu Tong between 52 and second insulating part 513, the second area Lu Tong and the first area Lu Tong 53 interval are arranged, and described the
Two areas Lu Tong are electrically connected with the electromagnetic shielding film 52.
In the present embodiment, non-bent area 50 is additionally provided with electromagnetic shielding film 52, and electromagnetic shielding film 52 is equipped at intervals with multiple apertures
520, each aperture 520 accommodates the first area Lu Tong 53, and the first area Lu Tong 53 is anti-interference for being grounded, and ground connection is more abundant, resists dry
Disturb that signal capabilities are stronger, the first area Lu Tong 53 includes copper foil, copper plate and the Gold plated Layer being stacked, and copper foil is set to the second insulation
Part 513 deviates from the surface of ontology 10, copper foil and copper plate and is used for anticorrosion for shielding interference signal, Gold plated Layer.The present embodiment
There are two preferred aperture 520 is set, each aperture 520 accommodates the first area Lu Tong 53.
Non- bent area 50 further include the second area Lu Tong for being located between electromagnetic shielding film 52 and the second insulating part 513 (not
Diagram), wherein the second area Lu Tong is electrically connected with electromagnetic shielding film 52, it is electrically connected for the mainboard realization with display equipment 1000,
Second area Lu Tong includes the copper foil and copper plate being stacked, and wherein copper foil is set to the table that the second insulating part 514 deviates from ontology 10
Face.
Referring to Fig. 2 and Fig. 5, the flexible circuit board 100 further includes the second conduct piece 55 set on the second surface 12,
Second conduct piece 55 covers the bent area 30 and non-bent area 50.
Further, second conduct piece 55 includes the third metalwork for being cascadingly set on the second surface 12
551 and second conductive film 552；The non-bent area 50 further includes the third gluing part 554 and third insulating part being stacked
553, the third gluing part 554 is set to second conductive film 552 backwards to the surface of the third metalwork 551.
In the present embodiment, the second surface 12 of non-bent area 50 is equipped with the second conduct piece 55, and the second conduct piece 55 covers curved
Folding area 30 and non-bent area 50, second surface 12 be equipped with element region 555, element region 555 be equipped with boosting IC, FLASH (flash memory),
The components such as capacitor, resistance.Wherein the thickness range of the second conduct piece 55 is d8, and the value range of d8 is 8um≤d8≤26um,
It is integrally formed with ontology 10 is arranged.
It is understood that the second conduct piece 55 includes third metalwork 551 and the second conductive film 552, wherein third is golden
Belong to part 551 and ontology 10 is integrally formed and is arranged, the second conductive film 552 is integrally formed with third metalwork 551 to be arranged, third metal
Part 551 is copper foil, and the second conductive film 552 is copper plate, and the two combines, and conductive effect is more preferable.
Wherein, third metalwork 551 with a thickness of d9, the value range of d9 is 2um≤d9≤22um, the second conductive film
552 with a thickness of d10, the value range of d10 is 0um < d10≤16um.
In order to protect to the second conduct piece 55, non-bent area 50 further includes 554 He of third gluing part being stacked
Third insulating part 553, third gluing part 554 are set to second conductive film 552 backwards to the surface of the third metalwork 551.
Third insulating part 553 is polyimides, and with a thickness of d11, the value range of d11 is 2.5um≤d11≤22.5um, third glue
Viscous part 554 can be carried out certain stretching, bending, compression with preferable mechanical property for acrylic glue.
The utility model also proposes that a kind of display equipment 1000, the display equipment 1000 include flexible circuit board 100, this is soft
Property wiring board 100 specific structure referring to above-described embodiment, since this display equipment 1000 is using above-mentioned all embodiments
Whole technical solutions, therefore at least all beneficial effects brought by the technical solution with above-described embodiment, it is not another herein
One repeats.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model,
It is all under the inventive concept of the utility model, equivalent structure made based on the specification and figures of the utility model becomes
It changes, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (10)
1. a kind of flexible circuit board, which is characterized in that including ontology, the ontology has bent area and non-bent area, described curved
It is equipped with shielding part on the outside of folding area, the ontology and the shielding part are integrally formed setting.
2. flexible circuit board as described in claim 1, which is characterized in that the shielding part is described including being cascadingly set on
The first metalwork and metal film of ontology.
3. flexible circuit board as claimed in claim 2, which is characterized in that the thickness range of first metalwork is d1, d1
Value range be 2um≤d1≤22um, and/or, the thickness range of the metal film is d2, and the value range of d2 is 0um <
d2≤16um。
4. flexible circuit board as claimed in claim 2, which is characterized in that the bent area further includes being sequentially arranged in the shielding
First gluing part of part and the first insulating part, the first gluing part are set to the table that the metal film deviates from first metalwork
Face.
5. flexible circuit board according to any one of claims 1 to 4, which is characterized in that the ontology includes being oppositely arranged
First surface and second surface, the shielding part is set to the first surface, and the non-bent area further includes being set to described the
First conduct piece on one surface, first conduct piece and the shielding part interval are arranged.
6. flexible circuit board as claimed in claim 5, which is characterized in that first conduct piece includes being cascadingly set on
The second metalwork and the first conductive film of the first surface；The non-bent area further include the second gluing part for being stacked and
Second insulating part, the second gluing part are set to first conductive film backwards to the surface of second metalwork.
7. flexible circuit board as claimed in claim 6, which is characterized in that the non-bent area is additionally provided with electromagnetic shielding film, institute
Electromagnetic shielding film is stated set on second insulating part backwards to the surface of first conduct piece, the electromagnetic shielding film is equipped at intervals with
Multiple apertures, each aperture accommodate the first area Lu Tong；And the non-bent area further include be located in the electromagnetic shielding film and
The second area Lu Tong between second insulating part, the second area Lu Tong is with the first dew copper section every setting, the area second Lu Tong
It is electrically connected with the electromagnetic shielding film.
8. flexible circuit board as claimed in claim 5, which is characterized in that the flexible circuit board further includes being set to described second
Second conduct piece on surface, second conduct piece cover the bent area and non-bent area.
9. flexible circuit board as claimed in claim 8, which is characterized in that second conduct piece includes being cascadingly set on
The third metalwork and the second conductive film of the second surface；The non-bent area further include the third gluing part that is stacked and
Third insulating part, the third gluing part are set to second conductive film backwards to the surface of the third metalwork.
10. a kind of display equipment, which is characterized in that including flexible circuit board described in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821025323.6U CN208387000U (en) | 2018-06-29 | 2018-06-29 | Flexible circuit board and display equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821025323.6U CN208387000U (en) | 2018-06-29 | 2018-06-29 | Flexible circuit board and display equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208387000U true CN208387000U (en) | 2019-01-15 |
Family
ID=64965298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821025323.6U Active CN208387000U (en) | 2018-06-29 | 2018-06-29 | Flexible circuit board and display equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208387000U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111341737A (en) * | 2020-04-14 | 2020-06-26 | 武汉华星光电技术有限公司 | Packaging structure and display device |
| CN111474750A (en) * | 2020-04-22 | 2020-07-31 | 惠州Tcl移动通信有限公司 | Display module and terminal |
| CN112969280A (en) * | 2021-02-20 | 2021-06-15 | 京东方科技集团股份有限公司 | Flexible circuit board and display panel |
-
2018
- 2018-06-29 CN CN201821025323.6U patent/CN208387000U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111341737A (en) * | 2020-04-14 | 2020-06-26 | 武汉华星光电技术有限公司 | Packaging structure and display device |
| CN111474750A (en) * | 2020-04-22 | 2020-07-31 | 惠州Tcl移动通信有限公司 | Display module and terminal |
| CN112969280A (en) * | 2021-02-20 | 2021-06-15 | 京东方科技集团股份有限公司 | Flexible circuit board and display panel |
| CN112969280B (en) * | 2021-02-20 | 2022-08-26 | 京东方科技集团股份有限公司 | Flexible circuit board and display panel |
| US11877384B2 (en) | 2021-02-20 | 2024-01-16 | Chengdu Boe Optoelectronics Technology Co., Ltd. | Flexible circuit board, manufacturing method thereof and display panel |
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