CN204305459U - A kind of flexible printed circuit board and display device - Google Patents
A kind of flexible printed circuit board and display device Download PDFInfo
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- CN204305459U CN204305459U CN201420866038.2U CN201420866038U CN204305459U CN 204305459 U CN204305459 U CN 204305459U CN 201420866038 U CN201420866038 U CN 201420866038U CN 204305459 U CN204305459 U CN 204305459U
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Abstract
The utility model provides a kind of flexible printed circuit board, comprise: flexible printed circuit board first, flexible printed circuit board second and flexible printed circuit board the 3rd, described flexible printed circuit board first comprises first end and the second end, and described flexible printed circuit board second comprises the 3rd end and the 4th end; 4th end and the flexible printed circuit board the 3rd of the second end of described flexible printed circuit board first, described flexible printed circuit board second link together.
Description
Technical field
The utility model relates to a kind of electrical equipment, particularly relates to the flexible printed circuit board in a kind of display device.
Background technology
Due to the continuous progress of photoelectric technology and the digitizing of image display technology, various display is seen everywhere in daily life.Liquid crystal display, because have high image quality, frivolous, low consumpting power, the advantage such as radiationless, has therefore been widely used on various communication or electronic product, and has replaced legacy CRT display gradually, become the main flow in monitor market.Display device and sensing cell connected applications, can provide touch controllable function.Thus, electronic product can save equipment and the assembling of button or other similar functions, under same size of product, just can hold larger sized display panel.
Figure 1 shows that the side view of the display device of prior art.The display device of prior art comprises contact panel 11, is arranged on display panels 12, utilizes the sensing signal being arranged at flexible printed circuit board on contact panel 11 first 14 and producing when touch-control to transmit contact panel 11.Display panels 12 comprises colorized optical filtering laminar substrate 121 and thin-film transistor array base-plate 122, and utilize the flexible printed circuit board second 16 that is arranged on thin-film transistor array base-plate 122 and driving chip 15, to work required driving voltage to provide display panels 12.In addition, display panels 12 itself is an independent display frame device.Use viscose glue contact panel 11 can be adhered on display panels 12.
Figure 2 shows that the vertical view of the display device of prior art, flexible printed circuit board first 14 must through hot press with flexible printed circuit board second 16, to make both circuits finally be integrated in a link 17, then be electrically connected with signal processing system (not shown) by this link 17.Higher to technological requirement in this process, careless slightlyly contraposition will be caused to offset, cause display bad, and flexible printed circuit board cost is higher, the structure of two panels flexible printed circuit board makes manufacturing cost higher.
In view of this, the utility model provides the flexible printed circuit board in a kind of display device, can reduce costs and pays and simplify processing procedure.
Utility model content
The utility model provides a kind of flexible printed circuit board and display device, in order to solve the problem.
Embodiment of the present utility model provides a kind of flexible printed circuit board, comprise: flexible printed circuit board first, flexible printed circuit board second and flexible printed circuit board the 3rd, described flexible printed circuit board first comprises first end and the second end, and described flexible printed circuit board second comprises the 3rd end and the 4th end; 4th end and the flexible printed circuit board the 3rd of the second end of described flexible printed circuit board first, described flexible printed circuit board second link together.
Embodiment of the present utility model provides a kind of display device, comprise a kind of flexible printed circuit board, described flexible printed circuit board comprises: flexible printed circuit board first, flexible printed circuit board second and flexible printed circuit board the 3rd, described flexible printed circuit board first comprises first end and the second end, and described flexible printed circuit board second comprises the 3rd end and the 4th end; 4th end and the flexible printed circuit board the 3rd of the second end of described flexible printed circuit board first, described flexible printed circuit board second link together.
The flexible printed circuit board that embodiment of the present utility model provides and display device can reduce costs expenditure, and simplification of flowsheet also improves the stability of display device.
Accompanying drawing explanation
Fig. 1 is the side view of the display device of prior art;
Fig. 2 is the vertical view of the display device of prior art;
The schematic diagram of the flexible printed circuit board that Fig. 3 provides for the utility model embodiment one;
The side view of the display device that Fig. 4 provides for the utility model embodiment two;
The vertical view of the display device that Fig. 5 provides for the utility model embodiment two;
The flexible printed circuit board vertical view that Fig. 6 provides for the present embodiment three;
Touch control unit flexible printed circuit board schematic diagram in Fig. 7 prior art.
Embodiment
Although be described in more detail the utility model below with reference to accompanying drawings, which show preferred embodiment of the present utility model, should be understood to those skilled in the art can modify on the basis of the description, and still can realize advantageous effects of the present utility model.Therefore, following description is appreciated that the expansion of the thinking to those skilled in the art, and not as to restriction of the present utility model.
They in order to clearly describe whole technical schemes of embodiment, in the following description, are not described in detail known function and structure, because can make the utility model chaotic due to unnecessary details.Will be understood that in the exploitation of any practical embodiments, a large amount of implementation detail must be made to realize the specific objective of developer, such as, according to regarding system or the restriction about business, change into another embodiment by an embodiment.In addition, will be understood that this development may be complicated and time-consuming, but be only routine work for a person skilled in the art.
Below in conjunction with accompanying drawing, embodiment scheme of the present utility model is described.It should be noted that, accompanying drawing all adopts the form that simplifies very much and all uses non-ratio accurately, only in order to object that is convenient, clearly aid illustration the utility model embodiment.
Embodiment one
The utility model embodiment one provides flexible printed circuit board, please refer to Fig. 3, the schematic diagram of the flexible printed circuit board that Fig. 3 provides for the utility model embodiment one, and described flexible printed circuit board comprises:
Flexible printed circuit board first 24, flexible printed circuit board second 26 and flexible printed circuit board the 3rd 27, described flexible printed circuit board first 24 comprises the first end 241 and the second end 242 that are oppositely arranged up and down, and the shape of described flexible printed circuit board first 24 is rectangle, the signal that can produce touch control unit is derived and be processed and distinguishes.Described flexible printed circuit board second 26 comprises the 3rd end 261 and the 4th end 262 that are oppositely arranged up and down, described flexible printed circuit board second 26 is the rectangle that long limit is less than the long limit of described flexible printed circuit board first 24, and described 3rd end 261 is near described the second end 242, described flexible printed circuit board second 26 can process drive singal, controls the display of the picture of display device.The length that the length that described flexible printed circuit board is the 3rd 27 and described flexible printed circuit board are second 26 is equal, and the signal that can produce touch control unit and drive singal process respectively;
4th end 262 and the flexible printed circuit board the 3rd 27 of the second end 242 that described flexible printed circuit board is first 24, described flexible printed circuit board second 26 link together.The signal of described flexible printed circuit board first 24 and flexible printed circuit board second 26 can carry out analyzing and processing by piecemeal on flexible printed circuit board the 3rd 27, does not interfere with each other.
The flexible printed circuit board that the utility model embodiment one provides, by flexible printed circuit board first and flexible printed circuit board second are connected on flexible printed circuit board the 3rd jointly, decrease the use of flexible printed circuit board material, decrease technological process, avoid the bit errors very easily occurred in hot press process, at saving material, while reducing costs, also improve reliability and the yield of flexible printed circuit board.
Embodiment two
The embodiment two that the utility model provides provides a kind of display device, comprises a kind of flexible printed circuit board, the structure of described flexible printed circuit board and the flexible printed circuit board in embodiment one and act on all identical, is not repeated herein.
With reference to the side view of the display device that figure 4 and Fig. 5, Fig. 4 provide for the utility model embodiment two, the vertical view of the display device that Fig. 5 provides for the utility model embodiment two.Described display device also comprises:
The first substrate 221 be oppositely arranged and second substrate 222, described first substrate 221 is step end 28 with the described nonoverlapping position of second substrate 222, and described step end 28 is provided with an integrated circuit 25.Described integrated circuit 25 can receive clock control signal processing signals, and the length of described flexible printed circuit board first 24 is slightly less than the length of described step end 28.
Touch control unit 21, is arranged on described first substrate 221.Described touch control unit 21, when staff touching screen, can produce touching signal.
And the display circuit 29 be arranged on described second substrate 222.Described display circuit 29 is by the deflection angle of switch control rule liquid crystal molecule, and then display device can show different pictures.
The first end 241 that described flexible printed circuit board is first 24 is connected with touch control unit 21, and the 3rd end 261 that described flexible printed circuit board is second 26 is connected with display circuit 29.The connected mode of described first end 241 and described touch control unit 21, first can be connected on the circuit of first substrate 221 for first end 241, and then be connected with the circuit of touch control unit 21 by the circuit of first substrate 221, or the circuit of first end 241 is directly connected with the circuit of touch control unit 23.The 3rd end 261 that described flexible printed circuit board is second 26 is connected with display circuit 29, described connected mode can be that the 3rd end 261 is first connected on the circuit of second substrate 222, and then be connected with the circuit of display circuit 29 by the circuit of second substrate 222, or the circuit of the 3rd end 261 is directly connected with the circuit of display circuit 29, be only herein and illustrate, concrete electric connection mode, those skilled in the art can adjust according to the actual requirements.
By flexible printed circuit board first is connected with touch control unit and flexible printed circuit board the 3rd, flexible printed circuit board second is connected with display circuit and flexible printed circuit board the 3rd, and flexible printed circuit board first and flexible printed circuit board second are connected on flexible printed circuit board the 3rd jointly the most at last, the normal connection of display circuit can be ensured, the usable floor area of flexible printed circuit board can also be reduced simultaneously, save cost, avoid the bit errors very easily occurred in hot press process, reduce technological process.
Preferably, described first flexible printed circuit board, relative to the position of the integrated circuit of described step end, is also provided with an antistatic protection district.As shown in Figure 4 and Figure 5, described electrostatic protection district 281 is positioned on described first flexible printed circuit board 24, and is arranged on the top of the integrated circuit 25 of step end 28, and the Copper Foil of first flexible printed circuit board 24 at place of described electrostatic protection district 281 exposes.When producing electrostatic in integrated circuit 25, electrostatic can export to chase or the external world of display device by electrostatic protection district 281, and concrete derivation mode the present embodiment of electrostatic is not limited.With the display device in electrostatic protection district, can Protective IC not by electrostatic damage, improve the stability of display device.
Preferably, first end and the described touch control unit of described flexible printed circuit board first are connected in described first substrate, and the 3rd end of described flexible printed circuit board second and described display circuit are connected in described second substrate.As shown in Figure 4 and Figure 5, first end 241 and described touch control unit 21 that described flexible printed circuit board is first 24 are connected in described first substrate 221, the 3rd end 261 that described flexible printed circuit board is second 26 is connected in described second substrate 222 with described display circuit 29, described flexible printed circuit board first 24 is connected to different substrates from described flexible printed circuit board second 26, can ensure that the Signal transmissions of two flexible PCBs does not interfere with each other, ensure the stability of display device.
Preferably, described flexible printed circuit board first, flexible printed circuit board second and flexible printed circuit board the 3rd are integrated.With reference to figure 5, the flexible printed circuit board first 24 of integral structure, flexible printed circuit board second 26 and flexible printed circuit board the 3rd 27, the step of fitting between flexible printed circuit board can be saved, and decrease the usable floor area of flexible printed circuit board, simplification of flowsheet, reduces costs expenditure.
Further, described display device is liquid crystal indicator, liquid crystal layer (not shown) is also comprised between described first substrate 221 and second substrate 222, described liquid crystal indicator realizes the display of image by the deflection angle controlling liquid crystal, described first substrate 221 can be color membrane substrates, and described second substrate 222 is array base palte; Described first substrate 221 also can be array base palte, and described second substrate 222 is color membrane substrates, does not restrict this herein.
The display device that the utility model embodiment two provides, by flexible printed circuit board first is connected with touch control unit and flexible printed circuit board the 3rd, flexible printed circuit board second is connected with display circuit and flexible printed circuit board the 3rd, and flexible printed circuit board first and flexible printed circuit board second are connected on flexible printed circuit board the 3rd jointly the most at last, ensureing under the prerequisite that display device circuit normally connects, decrease the usable floor area of flexible printed circuit board material, decrease technological process, avoid the bit errors very easily occurred in hot press process, at saving material, while reducing costs, also improve reliability and the yield of flexible printed circuit board.
Embodiment three
The utility model embodiment three provides another kind of display device, repeat no longer one by one with the something in common of display device in embodiment two, difference is that the second end of described flexible printed circuit board first is connected with second area and described flexible printed circuit board the 3rd by first area, and described first area and second area are arranged on the right and left of described flexible printed circuit board the 3rd.With reference to the flexible printed circuit board vertical view that figure 5 and Fig. 6, Fig. 6 provide for the present embodiment three.The second end 242 that described flexible printed circuit board is first 24 is connected with second area 232 and described flexible printed circuit board the 3rd 27 by first area 231, therefore when staff touching screen, touch control unit 21 can produce touching signal, touching signal subsequently can by the second end 242 of flexible printed circuit board first 24, again by being separately positioned on first area 231 and the second area 232 of described flexible printed circuit board the 3rd 27 the right and lefts, be sent to reception and process that flexible printed circuit board the 3rd 27 carries out signal, and then distinguish the steering order that user will assign.
Further, with reference to figure 6, described flexible printed circuit board first 24 is equally divided into A, B, C, D tetra-part in the longitudinal direction, wherein the lead-in wire 243 of A, part B is connected with described flexible printed circuit board the 3rd 27 by first area 231, and the lead-in wire 243 of C, D part is connected with described flexible printed circuit board the 3rd 27 by second area 232.Particularly, the lead-in wire 243 of part A to be collected on the right side of part A and is connected by first area 231 and described flexible printed circuit board the 3rd 27, the lead-in wire 243 of part B is collected in the left side of part B and is connected by first area 231 and described flexible printed circuit board the 3rd 27, the lead-in wire 243 of C part is collected in the right side of C part and is connected by second area 232 and described flexible printed circuit board the 3rd 27, and the lead-in wire 243 of D part is collected in the left side of D part and is connected by second area 232 and described flexible printed circuit board the 3rd 27.243 be divided into 4 parts owing to going between and draw, therefore the width of described flexible printed circuit board first 24 can significantly reduce.
With reference to touch control unit flexible printed circuit board schematic diagram in figure 1 and Fig. 7, Fig. 7 prior art.In the prior art, lead-in wire 141 in the flexible printed circuit board 14 of touch control unit can only one direction be drawn, as shown in Figure 7, lead-in wire 141 finally all needs to be aggregated into importing and the derivation that signal is carried out in right, the wider width of flexible printed circuit board 14 can be caused like this, step end 18 can be covered in the pressing welding in later stage, cause difficulty to the failure analysis of display device step end 18.As shown in Figure 6, lead-in wire on flexible printed circuit board first 24 is equally divided into 4 parts be connected with second area 232 and flexible printed circuit board the 3rd 27 respectively by first area 231 again after, because first area 231 is positioned at A, the centre of part B, second area 232 is positioned at C, the centre of D part, therefore A, B, C, in D, the width of the lead-in wire 243 that every part finally gathers is about lead-in wire 141 in prior art and gathers 1/4 of width, and then substantially reduce the width of described flexible printed circuit board first 24, be convenient to the failure analysis of follow-up display device to step end, ensure the stability of display device.
Preferably, the width of described flexible printed circuit board first is less than 1/4 of described step end width.With reference to figure 4 and 6, draw from a direction for 243 if go between, then the width of described flexible printed circuit board first 24 is identical with the width of described step end 28, when lead-in wire 243 be divided into 4 parts draw respectively time, lead-in wire as part A to collect on the right side of part A and by first area 231 with as described in flexible printed circuit board the 3rd 27 be connected, the lead-in wire of part B is collected in the left side of part B and is connected by first area 231 and described flexible printed circuit board the 3rd 27, the lead-in wire of C part is collected in the right side of C part and is connected by second area 232 and described flexible printed circuit board the 3rd 27, the lead-in wire of D part is collected in the left side of D part and is connected by second area 232 and described flexible printed circuit board the 3rd 27, again because need the independence kept each other between lead-in wire 243, usually the gap between adjacent two lead-in wires 243 is greater than the width of lead-in wire 243, therefore now the width of described flexible printed circuit board first 24 is less than 1/4 of described step end 28 width.Because step end 28 is not all covered by flexible printed circuit board first 24, also leave region and resolve for later product, ensure that the stability of display device.
Preferably, described first flexible printed circuit board, relative to the position of the integrated circuit of described step end, is also provided with an antistatic protection district.As shown in Figure 4 and Figure 5, described electrostatic protection district 281 is positioned on described first flexible printed circuit board 24, and is arranged on the top of the integrated circuit 25 of step end 28, and the Copper Foil of first flexible printed circuit board 24 at place of described electrostatic protection district 281 exposes.When producing electrostatic in integrated circuit 25, electrostatic can export to chase or the external world of display device by electrostatic protection district 281, and concrete derivation mode the present embodiment of electrostatic is not limited.With the display device in electrostatic protection district, can Protective IC not by electrostatic damage, improve the stability of display device.
Preferably, first end and the described touch control unit of described flexible printed circuit board first are connected in described first substrate, and the 3rd end of described flexible printed circuit board second and described display circuit are connected in described second substrate.As shown in Figure 4 and Figure 5, first end 241 and described touch control unit 21 that described flexible printed circuit board is first 24 are connected in described first substrate 221, the 3rd end 261 that described flexible printed circuit board is second 26 is connected in described second substrate 222 with described display circuit 29, described flexible printed circuit board first 24 is connected to different substrates from described flexible printed circuit board second 26, can ensure that the Signal transmissions of two flexible PCBs does not interfere with each other, ensure the stability of display device.
Preferably, described flexible printed circuit board first, flexible printed circuit board second and flexible printed circuit board the 3rd are integrated.With reference to figure 5, the flexible printed circuit board first 24 of integral structure, flexible printed circuit board second 26 and flexible printed circuit board the 3rd 27, the step of fitting between flexible printed circuit board can be saved, and decrease the usable floor area of flexible printed circuit board, simplification of flowsheet, reduces costs expenditure.
Further, described display device is liquid crystal indicator, liquid crystal layer (not shown) is also comprised between described first substrate 221 and second substrate 222, described liquid crystal indicator realizes the display of image by the deflection angle controlling liquid crystal, described first substrate 221 can be color membrane substrates, and described second substrate 222 is array base palte; Described first substrate 221 also can be array base palte, and described second substrate 222 is color membrane substrates, does not restrict this herein.
The display device that the utility model embodiment three provides, by flexible printed circuit board first is divided into A in the longitudinal direction, B, C, D tetra-part, and by left side A, the two-part the second end of B is connected by first area and described flexible printed circuit board the 3rd, by the right C, the two-part the second end of D is connected by second area and described flexible printed circuit board the 3rd, at guarantee flexible printed circuit board first with under the prerequisite of flexible printed circuit board the 3rd stable connection, reduce the width of flexible printed circuit board first, the step end being convenient to display device carries out follow-up failure analysis.
The flexible printed circuit board that the utility model provides and display device, by by flexible printed circuit board first, flexible printed circuit board second and flexible printed circuit board the 3rd are made on same flexible printed circuit board, namely the structure that three is integrated, eliminate the technique needing to add hot pressing between different flexible printed circuit boards, and decrease the usable floor area of flexible printed circuit board, also by the setting in antistatic protection district, the electrostatic that integrated circuit produces can be derived, simplify technological process, save cost payout, and improve the stability of flexible printed circuit board and display device
In sum, although the utility model discloses as above with preferred embodiment, so itself and be not used to limit the utility model, those skilled in the art can do various changes and retouching under the prerequisite not departing from spirit and scope of the present utility model, if therefore these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.Protection domain of the present utility model is as the criterion with claim of the present utility model.
Claims (12)
1. a flexible printed circuit board, is characterized in that, comprising:
Flexible printed circuit board first, flexible printed circuit board second and flexible printed circuit board the 3rd, described flexible printed circuit board first comprises first end and the second end, and described flexible printed circuit board second comprises the 3rd end and the 4th end;
4th end and the flexible printed circuit board the 3rd of the second end of described flexible printed circuit board first, described flexible printed circuit board second link together.
2. a display device, is characterized in that, comprises flexible printed circuit board according to claim 1.
3. display device as claimed in claim 2, is characterized in that, also comprise:
The first substrate be oppositely arranged and second substrate, described first substrate and the nonoverlapping position of described second substrate are step end, and described step end is provided with an integrated circuit;
Touch control unit, is arranged on described first substrate;
And the display circuit be arranged on described second substrate;
4. display device as claimed in claim 3, the first end of described flexible printed circuit board first is connected with touch control unit, and the 3rd end of described flexible printed circuit board second is connected with display circuit.
5. display device as claimed in claim 3, it is characterized in that, described flexible printed circuit board first, relative to the position of the integrated circuit of described step end, is also provided with an antistatic protection district.
6. display device as claimed in claim 3, it is characterized in that, the second end of described flexible printed circuit board first is connected with second area and described flexible printed circuit board the 3rd by first area.
7. display device as claimed in claim 6, it is characterized in that, described first area and second area are arranged on the right and left of described flexible printed circuit board the 3rd.
8. display device as claimed in claim 7, it is characterized in that, described flexible printed circuit board first is equally divided into A, B, C, D tetra-part in the longitudinal direction, wherein A, part B are connected by first area and described flexible printed circuit board the 3rd, and C, D part is connected by second area and described flexible printed circuit board the 3rd.
9. display device as claimed in claim 7, it is characterized in that, the width of described flexible printed circuit board first is less than 1/4 of described step end width.
10. display device as claimed in claim 3, it is characterized in that, first end and the described touch control unit of described flexible printed circuit board first are connected in described first substrate.
11. display devices as claimed in claim 3, it is characterized in that, the 3rd end of described flexible printed circuit board second and described display circuit are connected in described second substrate.
12. display devices as claimed in claim 3, is characterized in that, described flexible printed circuit board first, flexible printed circuit board second and flexible printed circuit board the 3rd are integrated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420866038.2U CN204305459U (en) | 2014-12-31 | 2014-12-31 | A kind of flexible printed circuit board and display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420866038.2U CN204305459U (en) | 2014-12-31 | 2014-12-31 | A kind of flexible printed circuit board and display device |
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| CN204305459U true CN204305459U (en) | 2015-04-29 |
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| CN201420866038.2U Active CN204305459U (en) | 2014-12-31 | 2014-12-31 | A kind of flexible printed circuit board and display device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105575275A (en) * | 2016-03-07 | 2016-05-11 | 京东方科技集团股份有限公司 | Display panel and preparation method thereof and display device |
| CN105611714A (en) * | 2015-12-31 | 2016-05-25 | 武汉天马微电子有限公司 | Flexible printed circuit board and display device |
| CN105657967A (en) * | 2016-04-01 | 2016-06-08 | 京东方科技集团股份有限公司 | Flexible circuit board and display device |
-
2014
- 2014-12-31 CN CN201420866038.2U patent/CN204305459U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105611714A (en) * | 2015-12-31 | 2016-05-25 | 武汉天马微电子有限公司 | Flexible printed circuit board and display device |
| CN105575275A (en) * | 2016-03-07 | 2016-05-11 | 京东方科技集团股份有限公司 | Display panel and preparation method thereof and display device |
| CN105657967A (en) * | 2016-04-01 | 2016-06-08 | 京东方科技集团股份有限公司 | Flexible circuit board and display device |
| CN105657967B (en) * | 2016-04-01 | 2019-05-21 | 京东方科技集团股份有限公司 | Flexible circuit board and display device |
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