CN208029181U - A kind of flexible circuit doubling plate and display module - Google Patents
A kind of flexible circuit doubling plate and display module Download PDFInfo
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- CN208029181U CN208029181U CN201820591417.3U CN201820591417U CN208029181U CN 208029181 U CN208029181 U CN 208029181U CN 201820591417 U CN201820591417 U CN 201820591417U CN 208029181 U CN208029181 U CN 208029181U
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- fpc
- flexible circuit
- doubling plate
- circuit doubling
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Abstract
The utility model discloses a kind of flexible circuit doubling plate and display modules, the flexible circuit doubling plate includes the first FPC and the 2nd FPC, the lower surface of first FPC and the upper surface of the 2nd FPC are all covered with EMI screened films, the both ends of the lower surface of 2nd FPC are respectively equipped with adhesive, first FPC is Nian Jie with the 2nd FPC by described adhesive, and hollow layer is formed between the first FPC and the 2nd FPC.Since the both ends of the first FPC and the 2nd FPC are bonded by adhesive, and middle section is not bonded, to be formed with hollow layer, so that the first FPC and the 2nd FPC of hollow layer keep relatively independent, promote its bending performance, it prevents from being broken the phenomenon generation for causing open circuit in the process of bending, simultaneously because the upper and lower surface of flexible circuit doubling plate is covered with EMI screened films, can avoid causing electromagnetic interference when connecting with the mainboard of client.
Description
Technical field
The utility model is related to a kind of flexible circuit board field, more specifically to a kind of flexible circuit doubling plate and
Display module.
Background technology
Two FPC are usually glued together by traditional flexible circuit doubling plate, but such flexible circuit doubling plate compared with
Firmly, usually bad bending, it occur frequently that the fracture of flexible circuit doubling plate leads to the situation of open circuit in practicality.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of flexible circuit doubling plate, due to the first FPC and
The both ends of 2nd FPC are bonded by adhesive, and middle section is not bonded, to be formed with hollow layer so that hollow layer
First FPC and the 2nd FPC keeps relatively independent, promotes its bending performance, prevents from being broken in the process of bending and causes showing for open circuit
As occurring, simultaneously because the upper and lower surface of flexible circuit doubling plate is covered with EMI screened films, can avoid connecting with the mainboard of client
Electromagnetic interference is caused when connecing.
The utility model additionally provides a kind of display module.
Technical problem to be solved in the utility model is achieved by the following technical programs：
In order to solve the above technical problems, the utility model provides a kind of flexible circuit doubling plate comprising the first FPC and
2nd FPC, the lower surface of the first FPC and the upper surface of the 2nd FPC are all covered with EMI screened films, the 2nd FPC
The both ends of lower surface be respectively equipped with adhesive, the first FPC is Nian Jie with the 2nd FPC by described adhesive, described
It is formed with hollow layer between first FPC and the 2nd FPC.
Further, flexible circuit doubling plate one end is equipped with first interface, is used for connecting PCB board.
Further, the flexible circuit doubling plate other end is equipped with second interface, is used to connect LCD modules.
The utility model additionally provides a kind of display module comprising flexible circuit as described in any one of the above embodiments is double-deck
Plate, glue frame and LCD modules, the LCD modules are connect with the flexible circuit doubling plate, and the LCD modules are set to the glue frame
On.
The utility model has the advantages that：
Since the both ends of the first FPC and the 2nd FPC are bonded by adhesive, and middle section is not bonded, to be formed
There is hollow layer so that the first FPC of hollow layer and the 2nd FPC keeps relatively independent, promotes its bending performance, prevents from being folded over
Fracture causes the phenomenon of open circuit to occur in journey, simultaneously because the upper and lower surface of flexible circuit doubling plate is covered with EMI screened films,
It can avoid causing electromagnetic interference when connecting with the mainboard of client.
Flexible circuit doubling plate one end is equipped with first interface, is used for connecting PCB board, flexible circuit doubling plate connects in first
It is cased with anti-interference magnet ring at mouthful, further prevents electromagnetic interference.
Description of the drawings
Fig. 1 is a kind of flexible circuit double panel structure schematic diagram provided by the utility model.
Fig. 2 is the improved structure schematic diagram of the first FPC in Fig. 1.
Fig. 3 is that the utility model additionally provides a kind of display module structural schematic diagram.
Fig. 4 is schematic cross-sectional view at the AA in Fig. 3.
Specific implementation mode
The utility model is described in detail with reference to embodiment, embodiment is only the preferred reality of the utility model
Mode is applied, is not the restriction to the utility model.
Referring to Fig. 1, for a kind of flexible circuit doubling plate 100 provided by the utility model comprising the first FPC1 and the
Two FPC2, the lower surface of the first FPC1 and the upper surface of the 2nd FPC2 are all covered with EMI screened films 3, and described second
The both ends of the lower surface of FPC2 are respectively equipped with adhesive 4, and the first FPC1 is viscous by described adhesive 4 and the 2nd FPC2
It connects, hollow layer 5 is formed between the first FPC1 and the 2nd FPC2.Since the both ends of the first FPC1 and the 2nd FPC2 are logical
The bonding of adhesive 4 is crossed, and middle section is not bonded, to be formed with hollow layer 5 so that the first FPC1 of hollow layer 5 and the
Two FPC2 keep relatively independent, promote its bending performance, prevent from being broken the phenomenon generation for causing open circuit in the process of bending, simultaneously
Since the upper and lower surface of flexible circuit doubling plate 100 is covered with EMI screened films 3, can avoid making when connecting with the mainboard of client
At electromagnetic interference.
Further, described 100 one end of flexible circuit doubling plate is equipped with first interface, is used for connecting PCB board, described soft
Property circuit doubling plate 100 is cased with anti-interference magnet ring at the first interface, further prevents electromagnetic interference.
Further, 100 other end of flexible circuit doubling plate is equipped with second interface, is used to connect LCD modules.
Referring to Fig. 2, further, the first FPC1 includes substrate layer 11, the upper surface of substrate layer 11 is provided with circuit
The lower surface of layer 12, substrate layer 11 is provided with metallic radiating layer 13, and set-up mode can be circuit layer 12, metallic radiating layer 13
Respectively by sticking double faced adhesive tape on substrate layer 11.Due to the thinner thickness of substrate layer 11, the heat on the first FPC1 can lead to
It crosses substrate layer 11 and is diffused into metallic radiating layer 13, which can effectively increase the heat dissipation area of the first FPC1, rise
To the effect of Homogeneouslly-radiating, to improve the radiating efficiency of the first FPC1.Wherein substrate layer 11 can be polyimides, gather
Any one in ester, polysulfones or polytetrafluoroethylene (PTFE), double faced adhesive tape are any one in acrylic acid glue-line or epoxy glue layer,
The metallic radiating layer 13 can be copper foil layer.
Further, the first FPC1 further includes at least one through substrate layer 11, circuit layer 12 and metallic radiating layer 13
Through-hole 14, the inner wall of the through-hole 14 is provided with the heat-conducting layer contacted with circuit layer 12, metallic radiating layer 13, at through-hole 14
Good heat conductivility can be electrically connected the circuit layer 12 and metallic radiating layer 13 of 11 both sides of substrate layer, play good lead
Hot function, and heat-conducting layer can provide heat conduction function, to reach good heat dissipation effect.Wherein, which can be that copper glue is led
Electric ink layer.
Further, it is provided with the heat carrier being connect with external conductive structure in through-hole 14, the heat carrier is from circuit layer
12 side is connected with external conductive structure, is also in contact with the heat-conducting layer in through-hole 14, so that circuit layer 12, metal dissipate
Thermosphere 13 can be connected by through-hole 14 with external conductive structure, so that the heat in the first FPC1 passes through the through-hole 14
In heat carrier diffuse to external conductive structure, to further increase the radiating efficiency of the first FPC1.Preferably, in order to make through-hole
14 can be connected with external conductive structure, which is set to the marginal position of the first FPC1.
Further, the metallic radiating layer 13 be uniform radiating structure, structure can be reticular structure, strip structure,
Any one in wavelike structure or honeycomb structure can preferably improve heat dissipation effect by the uniform radiating structure.
Fig. 3 and Fig. 4 are please referred to, the utility model additionally provides a kind of display module comprising as described in any of the above-described
Flexible circuit doubling plate 100, glue frame 6 and LCD modules 200, the LCD modules 200 and the flexible circuit doubling plate 100 connect
It connects, the LCD modules 200 are set in the glue frame 6.
Further, the LCD modules 200 include upper substrate 7 and lower substrate 8, the upper substrate 7 and the lower substrate 8
It mutually staggers placement and is formed with step 9, the glue frame 6 is equipped at least two buckles 61, and the buckle 61 clasps described
Rank 9.To prevent backlight module from being detached with LCD modules 200.Its is simple in structure, technical maturity, of low cost, can make LCD modules
200 are securely fixed in glue frame, and when assembly need to only press LCD modules 200, and not time-consuming effortless, efficiency of assembling is high,
Improve production efficiency.
Further, gasket 10 is additionally provided under LCD modules 200, the present embodiment is preferably foam, and foam can not only play
Dustproof effect between LCD modules 200 and backlight module, it can also be ensured that play buffering in 200 assembling process of LCD modules and make
With.Sandwich rubber can also be used in other embodiments, can not only be functioned as described above, can also by backlight module and
LCD modules 200 are stronger to be pasted, and backlight module is further prevented to be detached with LCD modules 200.More preferably, gasket 10
Thickness δ >=0.3mm, while to ensure that LCD modules 200 play cushioning effect, gasket 10 has enough thickness can elasticity change
Shape, spring energy caused by flexible deformation applies LCD modules 200 certain pressure, to ensure that LCD modules 200 can be snapped
61 it is stronger block, then elastic force is small when the thickness of gasket 10 is too small, and enough pressure can not be generated to LCD modules 200, be easy
It falls off.
Above example only expresses the embodiment of the utility model, the description thereof is more specific and detailed, but can not
Therefore it is interpreted as the limitation to the utility model patent range, as long as the form using equivalent substitution or equivalent transformation is obtained
Technical solution, shall fall within the scope of the present invention.
Claims (4)
1. a kind of flexible circuit doubling plate, which is characterized in that it includes the first FPC and the 2nd FPC, the following table of the first FPC
Face and the upper surface of the 2nd FPC are all covered with EMI screened films, and the both ends of the lower surface of the 2nd FPC are respectively equipped with viscous
Mixture, the first FPC is Nian Jie with the 2nd FPC by described adhesive, between the first FPC and the 2nd FPC
It is formed with hollow layer.
2. flexible circuit doubling plate according to claim 1, which is characterized in that flexible circuit doubling plate one end is equipped with
First interface is used for connecting PCB board.
3. flexible circuit doubling plate according to claim 1, which is characterized in that the flexible circuit doubling plate other end is set
There is second interface, is used to connect LCD modules.
4. a kind of display module comprising claims 1 to 3 any one of them flexible circuit doubling plate, glue frame and LCD moulds
Group, the LCD modules are connect with the flexible circuit doubling plate, and the LCD modules are set in the glue frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820591417.3U CN208029181U (en) | 2018-04-24 | 2018-04-24 | A kind of flexible circuit doubling plate and display module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820591417.3U CN208029181U (en) | 2018-04-24 | 2018-04-24 | A kind of flexible circuit doubling plate and display module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208029181U true CN208029181U (en) | 2018-10-30 |
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ID=63911112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820591417.3U Active CN208029181U (en) | 2018-04-24 | 2018-04-24 | A kind of flexible circuit doubling plate and display module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208029181U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112153845A (en) * | 2020-10-26 | 2020-12-29 | 维沃移动通信有限公司 | Electronic equipment and circuit module thereof |
-
2018
- 2018-04-24 CN CN201820591417.3U patent/CN208029181U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112153845A (en) * | 2020-10-26 | 2020-12-29 | 维沃移动通信有限公司 | Electronic equipment and circuit module thereof |
| CN112153845B (en) * | 2020-10-26 | 2022-04-29 | 维沃移动通信有限公司 | Electronic equipment and circuit module thereof |
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