CN208490038U - Backlight FPC, backlight module and display device - Google Patents
Backlight FPC, backlight module and display device Download PDFInfo
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- CN208490038U CN208490038U CN201821183269.8U CN201821183269U CN208490038U CN 208490038 U CN208490038 U CN 208490038U CN 201821183269 U CN201821183269 U CN 201821183269U CN 208490038 U CN208490038 U CN 208490038U
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Abstract
A kind of backlight FPC, backlight module and display device, wherein, backlight FPC include: FPC mainboard and be set to FPC mainboard a side bending part, the periphery in the second face of FPC mainboard is provided with layers of copper, the surface of bending part is provided with ground connection golden finger, ground connection golden finger is connect with the layers of copper of FPC mainboard, the both ends of FPC mainboard are also respectively provided with the first extension and the second extension, the surface of first extension is provided with layers of copper, and second the surface of extension be also equipped with layers of copper, the layers of copper of first extension and the layers of copper of the second extension are connect with the layers of copper of FPC mainboard, first extension and the second extension are bent, layers of copper and the layers of copper of the second extension for making the first extension are connect with reflector plate respectively.Above-mentioned backlight FPC, avoids electrostatic and damages to LED, IC and LCD, effectively improves the service life of backlight module.
Description
Technical field
The utility model relates to field of display technology, more particularly to a kind of backlight FPC, backlight module and display device.
Background technique
As display market competition is more and more fierce, price guiding is also more and more obvious, backlights for display devices mould
The pressure of group cost is also increasing, and all membrane materials of backlight module are both needed to accomplish that price is optimal.Wherein, backlight module uses
Reflector plate, although high by 10% or so using the brightness of conductive silver-colored reflector plate using the brightness ratio of non-conductive reflector plate, by
It is more much higher than the price of conducting reflective piece in the price of non-conductive reflector plate, the condition of customer specifications can be reached in guarantee brightness
Under, backlight module still uses conducting reflective piece.
Traditional backlight module includes an iron frame, and iron frame plays protection and electrostatic conduction, i.e. electrostatic can pass through
Iron frame imports the earth.But it as display device develops towards ultra-thin and high screen accounting, is all had been left out in existing backlight module
The use of iron frame declines to a great extent so as to cause the anti-static ability of display device.Especially collocation conducting reflective piece uses
When, electrostatic can not import ground by iron frame, but since the section of conducting reflective piece is conductive, in backlight module electrostatic test, lead
Electrostatic is introduced backlight unit by galvanic reflex sector-meeting, to LED (Light Emitting Diode, light emitting diode), IC
(integrated circuit, integrated circuit) and LCD (Liquid Crystal Display, liquid crystal display) are likely to
It damages.During electrostatic test, almost in 4KV, backlight FPC (Flexible Printed Circuit, flexible electrical
Road plate) two LED on side will damage, in 6KV, the IC and LCD of display device, it is also possible to irreversible damage occur
It is bad.
Utility model content
Based on this, it is necessary to which conductive for the section of conducting reflective piece, conducting reflective piece introduces electrostatic in backlight module
Portion and the problem of can not discharge, be damaged to LED, IC and LCD, a kind of backlight FPC, backlight module and display device are provided.
A kind of backlight FPC, comprising: FPC mainboard and be set to the FPC mainboard a side bending part；The FPC
Mainboard includes the first face and the second face, and the first face of the FPC mainboard is used for mounted LED lamp, the second face of the FPC mainboard
Periphery is provided with layers of copper；The ipsilateral surface in second face of the bending part and the FPC mainboard is provided with ground connection golden finger, described
Ground connection golden finger is connect with the layers of copper of the periphery in the second face of the FPC mainboard；The both ends of the FPC mainboard are also respectively provided with
The surface that second face of the first extension and the second extension, first extension and the FPC mainboard is ipsilateral is provided with copper
Layer, and the ipsilateral surface in the second face of second extension and the FPC mainboard is also equipped with layers of copper, first extension
Layers of copper and the layers of copper of second extension connect with the layers of copper of the periphery in the second face of the FPC mainboard, described first
Extension and second extension are bent, for making the layers of copper of first extension and the layers of copper of second extension
It is connect respectively with reflector plate.
The second face of the FPC mainboard is provided with first line connection structure, the bending in one of the embodiments,
The ipsilateral surface in second face of portion and the FPC mainboard is provided with driving golden finger, the first line connection structure with it is described
Golden finger connection is driven, the first line connection structure is also used to connect with the LED light.
The bending part surface ipsilateral with the second face of the FPC mainboard is additionally provided in one of the embodiments,
Second wire connection structure, the driving golden finger position is in end of the bending part far from the FPC mainboard, the driving gold
Finger is connect by second wire connection structure with the first line connection structure.
The periphery in the second face of the FPC mainboard, first extension and the FPC in one of the embodiments,
The surface that second face on the ipsilateral surface in the second face of mainboard, second extension and the FPC mainboard is ipsilateral covers institute
State layers of copper.
The periphery in the second face of the FPC mainboard, first extension and the FPC in one of the embodiments,
The ipsilateral exposed institute in surface in second face on the ipsilateral surface in the second face of mainboard, second extension and the FPC mainboard
State the layers of copper inside backlight FPC.
The bending part is provided with conductor wire in one of the embodiments, and the ground connection golden finger is close to the FPC master
One end of plate is connect by the conductor wire with the layers of copper of the FPC mainboard.
In one of the embodiments, described in the ipsilateral surface exposure in the second face of the bending part and the FPC mainboard
Layers of copper inside backlight FPC, one end of the layers of copper of the bending part are connect with the layers of copper of the FPC mainboard, the bending part
The other end of layers of copper is connect with the ground connection golden finger.
The first face of the FPC mainboard is also covered with high resistant insulating layer in one of the embodiments,.
A kind of backlight module, including backlight FPC described in any embodiment as above.
A kind of display device, which is characterized in that including backlight module described in mainboard and any embodiment as above, the master
The ground terminal of plate is electrically connected with the ground connection golden finger.
Above-mentioned backlight FPC, backlight module and display device, by expanding the area of FPC ontology, in the entire of FPC mainboard
Layers of copper is arranged in the surface at edge, the first extension and the second extension, and ground connection golden finger is arranged in bending part, makes to be grounded golden hand
Finger is connected with layers of copper, and makes the first extension and the second extension is bent connect layers of copper can with reflector plate, in this way, applying
When in backlight module, electrostatic a part for importing from reflector plate can directly pass through the first extension for contacting with reflector plate and the
The layers of copper of two extensions imported into ground connection golden finger, another part can directly arcing to the edge of FPC mainboard layers of copper and lead
Enter to ground connection golden finger, is discharged eventually by the ground terminal for the mainboard being connect with ground connection golden finger, avoid electrostatic to LED, IC
And LCD is damaged, and effectively improves the service life of backlight module.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the first surface of the FPC mainboard of backlight FPC in one embodiment；
Fig. 2 is the structural schematic diagram of the second surface of the FPC mainboard of backlight FPC in one embodiment.
Specific embodiment
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing to this
The specific embodiment of utility model is described in detail.Many details are explained in the following description in order to abundant
Understand the utility model.But the utility model can be implemented with being much different from other way described herein, this field
Technical staff can do similar improvement without prejudice to the utility model connotation, therefore the utility model is not by following public affairs
The limitation for the specific embodiment opened.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.The meaning of " plurality " is at least two, such as two in the description of the present invention,
It is a, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside element, unless otherwise restricted clearly.For the common skill of this field
For art personnel, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In order to be more convenient for understanding the utility model, in one of the embodiments, please refer to Fig. 1 and Fig. 2, a kind of back
Light FPC include: FPC mainboard 100 and be set to FPC mainboard 100 a side bending part 200.
FPC mainboard 100 includes the first face 101 and the second face 102, and the first face 101 of FPC mainboard 100 is for installing LED
Lamp, the periphery in the second face 102 of FPC mainboard 100 are provided with layers of copper 110, the second face 102 of bending part 200 and FPC mainboard 100
Ipsilateral surface is provided with ground connection golden finger 221, the copper of ground connection golden finger 221 and the periphery in the second face 102 of FPC mainboard 100
Layer 110 connects.
The both ends of FPC mainboard 100 are also respectively provided with the first extension 120 and the second extension 130, the first extension
120 surfaces ipsilateral with the second face 102 of FPC mainboard 100 are provided with layers of copper (being overlapped in figure with 120), and the second extension 130
The surface ipsilateral with the second face 102 of FPC mainboard 100 is also equipped with layers of copper (being overlapped in figure with 130), the first extension 120
Layers of copper and the layers of copper of the second extension 130 are connect with the layers of copper 110 of the periphery in the second face 102 of FPC mainboard 100.
First extension 120 and the second extension 130 are bent, and the layers of copper and second for making the first extension 120 are prolonged
The layers of copper of extending portion 130 is connect with reflector plate respectively.
Above-mentioned backlight FPC, by expanding the area of FPC ontology, in the entire edge of FPC mainboard, the first extension and the
Layers of copper is arranged in the surfaces of two extensions, and ground connection golden finger is arranged in bending part, makes to be grounded golden finger and connects with layers of copper, and makes the
One extension and the second extension is bent connect layers of copper can with reflector plate, in this way, when applying in backlight module, from reflection
Electrostatic a part that piece imports can be imported directly by the layers of copper of the first extension and the second extension that contact with reflector plate
To ground connection golden finger, another part can directly arcing to the edge of FPC mainboard layers of copper and imported into ground connection golden finger, finally
It is discharged by the ground terminal for the mainboard being connect with ground connection golden finger, avoids electrostatic and LED, IC and LCD are damaged, effectively
Improve the service life of backlight module.
Specifically, as depicted in figs. 1 and 2, the ipsilateral surface in the second face 102 of bending part 200 and FPC mainboard 100 is arranged
There is ground connection golden finger 221, and is grounded the table ipsilateral through the first face 101 of bending part 200 and FPC mainboard 100 of golden finger 221
Face.
In one of the embodiments, referring to Fig. 1 and Fig. 2, the second face 102 of FPC mainboard 100 is provided with first
The surface that second face 102 of wire connection structure 111, bending part 200 and FPC mainboard 100 is ipsilateral is provided with driving golden finger
222, first line connection structure 111 is connect with driving golden finger 222, and first line connection structure 111 is also used to connect with LED light
It connects.
Specifically, as depicted in figs. 1 and 2, the ipsilateral surface in the second face 102 of bending part 200 and FPC mainboard 100 is arranged
The table for having driving golden finger 222, and driving golden finger 222 ipsilateral through the first face 101 of bending part 200 and FPC mainboard 100
Face.
Further, the ipsilateral surface in the second face 102 of bending part 200 and FPC mainboard 100 is additionally provided with the second route company
Binding structure 223, driving golden finger 222 are located at end of the bending part 200 far from FPC mainboard 100, and driving golden finger 222 passes through the
Two wire connection structures 223 are connect with first line connection structure 111.
Further, referring to Fig. 1, the first face 101 of FPC mainboard 100 is provided with LED pad 112 and and LED
The LED driver circuit structure 113 that pad 112 is electrically connected, LED pad 112 are used for mounted LED lamp, LED driver circuit structure 113
It is electrically connected inside backlight FPC with first line connection structure 111.
In order to facilitate the setting of layers of copper, the periphery in the second face 102 of FPC mainboard 100, in one of the embodiments,
One extension 120 surface ipsilateral with the second face 102 of FPC mainboard 100, the second extension 130 and the second of FPC mainboard 100
The ipsilateral surface in face 102 covers layers of copper.In this way, directly in the second face 102 of FPC mainboard 100, the first extension 120 and FPC
The ipsilateral surface in second face 102 of mainboard 100, the surface that the second face 102 of the second extension 130 and FPC mainboard 100 is ipsilateral are covered
Lid layers of copper facilitates the setting of layers of copper.
In order to save the use of material, in another embodiment, the periphery in the second face 102 of FPC mainboard 100, first
The ipsilateral surface in second face 102 of extension 120 and FPC mainboard 100, the second extension 130 and FPC mainboard 100 the second face
Layers of copper inside the exposed backlight FPC in 102 ipsilateral surfaces.Since the inside of backlight FPC has layers of copper, but in order to protect backlight
The internal structure of FPC, layers of copper are covered by insulating protective layers such as ink, i.e. the surface setting protective layer of backlight FPC has covered copper
Layer, it is only necessary to remove periphery, first extension in the second face of FPC the mainboard surface ipsilateral with the second face of FPC mainboard, second
The protective layer on the layers of copper surface on the ipsilateral surface in the second face of extension and FPC mainboard, can make the week in the second face of FPC mainboard
The ipsilateral table in second face on the ipsilateral surface in the second face of edge, the first extension and FPC mainboard, the second extension and FPC mainboard
The layers of copper in face is exposed, the surface that keeps the second face of the periphery in the second face of FPC mainboard, the first extension and FPC mainboard ipsilateral, the
The ipsilateral surface in second face of two extensions and FPC mainboard is provided with layers of copper, this way it is not necessary to again in the second face of FPC mainboard
Periphery, the first extension surface ipsilateral with the second face of FPC mainboard, the second face of the second extension and FPC mainboard it is ipsilateral
Surface cover layers of copper, the use of material can be saved.
In order to be grounded being electrically connected for golden finger and layers of copper, bending part 200, which is provided with, in one of the embodiments, is led
Electric wire 224, ground connection golden finger 221 are connect by conductor wire 224 with the layers of copper of FPC mainboard close to one end of FPC mainboard 100.
In order to save the use of material, the second face of bending part 200 and FPC mainboard 100 in one of the embodiments,
Layers of copper inside 102 ipsilateral surface exposure backlight FPC, one end of the layers of copper of bending part 200 and the layers of copper of FPC mainboard 100 connect
It connects, the other end of the layers of copper of bending part 200 is connect with ground connection golden finger 221.In this way, it is only necessary to remove the part layers of copper of bending part
The protective layer on surface can make the part layers of copper of bending part exposed, the surface of bending part is made to be provided with layers of copper, this way it is not necessary to
Conductor wire is set on the surface of bending part again, layers of copper can be made to be electrically connected with ground connection golden finger, the use of material can be saved.
In order to further protect the LED light being arranged on backlight FPC, the of FPC mainboard 100 in one of the embodiments,
101 it is also covered with high resistant insulating layer on one side.Further, LED pad 112, LED driver circuit structure 113, LED drive golden hand
Refer to 222 and be grounded golden finger 221 and exposes to high resistant insulating layer.Since LED light is welded on LED pad, by the of backlight FPC
One surface covering high resistant insulating layer further protects FPC mainboard and bending part, increases the impedance in LED cabling face, prevents electrostatic
It is directly contacted from the first face of FPC mainboard and bending part with LED or golden finger, further protects and be arranged on backlight FPC
LED.For example, high resistant insulating layer is the insulating layer with high impedance, for example, high resistant insulating layer is the insulating oil with high impedance
Layer, such as high resistant insulating layer are dirty oil layer.
In order to facilitate each golden finger is designed, in one of the embodiments, referring to Fig. 1 and 2, each LED driving
Golden finger 222 and ground connection golden finger 221 are parallel to each other and are alternatively arranged.For example, the quantity of LED driving golden finger 222 is 3.Tool
Body, 3 LED driving golden fingers 222 include that a LED drives positive golden finger and two LED to drive cathode golden finger, LED
Positive golden finger and two LED driving cathode golden fingers is driven to be respectively used to be electrically connected with LED driver circuit structure 113.Due to
The circuit connection of existing LED designs, and generalling use two includes that the concatenated branch of several LED carries out two-way mixed connection in parallel
Design, the anode after the LED series connection of two branches can drive positive golden finger to connect with a LED, the LED string of two branches
Cathode after connection can be connect with two LED driving cathode golden fingers respectively.In this way, the application can tie traditional backlight FPC
One of LED in structure drives positive golden finger to be designed as ground connection golden finger, the quantity without changing golden finger.
Specifically, backlight module further includes LED light, and LED light is welded on LED pad.In one of the embodiments,
The quantity of LED light be it is multiple, the quantity of LED pad and the quantity of LED light are identical, and each LED light is corresponding with a LED pad,
Each LED light is welded on the LED pad corresponding to it.
A kind of backlight module is also disclosed in the utility model, which includes backlight described in any embodiment as above
FPC。
A kind of display device is also disclosed in the utility model, which includes described in mainboard and any embodiment as above
Backlight module, the ground terminal of the mainboard are electrically connected with the ground connection golden finger.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of backlight FPC characterized by comprising FPC mainboard and be set to the FPC mainboard a side bending
Portion；
The FPC mainboard includes the first face and the second face, and the first face of the FPC mainboard is used for mounted LED lamp, the FPC master
The periphery in the second face of plate is provided with layers of copper；
The ipsilateral surface in second face of the bending part and the FPC mainboard is provided with ground connection golden finger, the ground connection golden finger
It is connect with the layers of copper of the periphery in the second face of the FPC mainboard；
The both ends of the FPC mainboard are also respectively provided with the first extension and the second extension, first extension with it is described
The ipsilateral surface in second face of FPC mainboard is provided with layers of copper, and the second face of second extension and the FPC mainboard is ipsilateral
Surface be also equipped with layers of copper, the layers of copper of the layers of copper of first extension and second extension with the FPC mainboard
The second face periphery layers of copper connection,
First extension and second extension are bent, for making the layers of copper and described second of first extension
The layers of copper of extension is connect with reflector plate respectively.
2. backlight FPC according to claim 1, which is characterized in that the second face of the FPC mainboard is provided with first line
The surface that second face of connection structure, the bending part and the FPC mainboard is ipsilateral is provided with driving golden finger, the First Line
Road connection structure is connect with the driving golden finger, and the first line connection structure is also used to connect with the LED light.
3. backlight FPC according to claim 2, which is characterized in that the second face of the bending part and the FPC mainboard is same
The surface of side is additionally provided with the second wire connection structure, and the driving golden finger position is in the bending part far from the FPC mainboard
End, the driving golden finger connect by second wire connection structure with the first line connection structure.
4. backlight FPC according to claim 1, which is characterized in that the periphery in the second face of the FPC mainboard, described
The one extension surface ipsilateral with the second face of the FPC mainboard, the second face of second extension and the FPC mainboard are same
The surface of side covers the layers of copper.
5. backlight FPC according to claim 1, which is characterized in that the periphery in the second face of the FPC mainboard, described
The one extension surface ipsilateral with the second face of the FPC mainboard, the second face of second extension and the FPC mainboard are same
Layers of copper inside the exposed backlight FPC in the surface of side.
6. backlight FPC according to claim 1, which is characterized in that the bending part is provided with conductor wire, the ground connection gold
Finger is connect by the conductor wire with the layers of copper of the FPC mainboard close to one end of the FPC mainboard.
7. backlight FPC according to claim 1, which is characterized in that the second face of the bending part and the FPC mainboard is same
The layers of copper of layers of copper inside backlight FPC described in the surface exposure of side, one end of the layers of copper of the bending part and the FPC mainboard connects
It connects, the other end of the layers of copper of the bending part is connect with the ground connection golden finger.
8. backlight FPC according to claim 1, which is characterized in that the first face of the FPC mainboard is also covered with height and blocks
Edge layer.
9. a kind of backlight module, which is characterized in that including backlight FPC such as described in any item of the claim 1 to 8.
10. a kind of display device, which is characterized in that including mainboard and backlight module as claimed in claim 9, the mainboard
Ground terminal is electrically connected with the ground connection golden finger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821183269.8U CN208490038U (en) | 2018-07-24 | 2018-07-24 | Backlight FPC, backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821183269.8U CN208490038U (en) | 2018-07-24 | 2018-07-24 | Backlight FPC, backlight module and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208490038U true CN208490038U (en) | 2019-02-12 |
Family
ID=65247623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821183269.8U Active CN208490038U (en) | 2018-07-24 | 2018-07-24 | Backlight FPC, backlight module and display device |
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| Country | Link |
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| CN (1) | CN208490038U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114401594A (en) * | 2021-12-27 | 2022-04-26 | 生益电子股份有限公司 | Manufacturing method of rigid-flex board and circuit board |
-
2018
- 2018-07-24 CN CN201821183269.8U patent/CN208490038U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114401594A (en) * | 2021-12-27 | 2022-04-26 | 生益电子股份有限公司 | Manufacturing method of rigid-flex board and circuit board |
| WO2023123907A1 (en) * | 2021-12-27 | 2023-07-06 | 生益电子股份有限公司 | Manufacturing method for rigid-flex board, and circuit board |
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