CN105611714B - Flexible printed circuit board and display device - Google Patents
Flexible printed circuit board and display device Download PDFInfo
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- CN105611714B CN105611714B CN201511026136.0A CN201511026136A CN105611714B CN 105611714 B CN105611714 B CN 105611714B CN 201511026136 A CN201511026136 A CN 201511026136A CN 105611714 B CN105611714 B CN 105611714B
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- circuit board
- printed circuit
- substrate
- conductive part
- flexible printed
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0277—Bendability or stretchability details
- H05K1/0283—Stretchable printed circuits
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Structure Of Printed Boards (AREA)
- Combinations Of Printed Boards (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention provides a flexible printed circuit board and a display device, wherein the flexible printed circuit board comprises a first end, the first end comprises a first conductive part and a second conductive part, the first conductive part is parallel to the second conductive part, and the first conductive part and the second conductive part are arranged on the same side face of the flexible printed circuit board. According to the flexible printed circuit board and the display device provided by the invention, the first conductive part and the second conductive part are connected with different circuits, so that one flexible printed circuit board is connected with two parts of circuits, and the first conductive part and the second conductive part are arranged on the same side surface of the flexible printed circuit board, so that the flexible printed circuit board and the display device are convenient to weld.
Description
Technical field
The present invention relates to display fields, more particularly to a kind of flexible printed circuit board and display device.
Background technique
With the development of electronics technology, the function of display device is not limited only to reception vision signal and is then shown
Show, display device now is also integrated with touch function, can be defeated according to operator to the touch control operation information of display device
Enter control instruction.
At present with the display device of touch function, it can be divided into according to structure: external hanging type touch screen, covering surface-type touching
The display device of control screen and embedded touch screen, touch function is fed back touching signals to chip by flexible printed circuit board
In, wherein flexible circuit board is that have height reliability using polyimides or polyester film as one kind made of substrate, excellent
Flexible printed circuit.Have the characteristics that Distribution density is high, light-weight, thickness is thin, bending is good.
Summary of the invention
In view of this, the present invention provides a kind of flexible printed circuit board, including first end, the first end include first
Conductive part, the second conductive part, first conductive part is parallel with second conductive part, first conductive part and described second
Conductive part is arranged in the flexible printed circuit board same side.
The present invention also provides a kind of display devices, including above-mentioned flexible printed circuit board.
Flexible printed circuit board provided by the invention and display device, the first end of flexible printed circuit board include first
Conductive part and the second conductive part, and the first conductive part is parallel with the second conductive part, and the first conductive part is connect with the second conductive part
Different circuits realize that a flexible printed circuit board connects two parts circuit, and due to the first conductive part and the second conductive part
It is arranged in flexible printed circuit board same side, facilitates welding.In a display device, especially in surface-type touch screen, generally
It needs two flexible printed circuit boards to be separately connected the touch-control circuit of array substrate step end and color membrane substrates, and uses this hair
The flexible printed circuit board of bright offer, may be implemented using a flexible printed circuit board and meanwhile connect array substrate step end with
And the touch-control circuit of color membrane substrates, it is thinned flexible printed circuit board thickness, and due to omitting a flexible printed circuit board,
The cost of display device is saved, on the other hand, since the first conductive part of flexible printed circuit board is parallel with the second conductive part, when
After first conductive part and screen contraposition, it is convenient to omit the second conductive part aligns process, saves human cost.
Detailed description of the invention
Fig. 1 is the first liquid crystal display die set schematic diagram that first embodiment of the invention provides；
Fig. 2 is in Fig. 1 along AA ' line cross-sectional view；
Fig. 3 is second of liquid crystal display die set schematic diagram that first embodiment of the invention provides；
Fig. 4 is the third liquid crystal display die set schematic diagram that first embodiment of the invention provides；
Fig. 5 is in Fig. 4 along AA ' line cross-sectional view；
Fig. 6 is a kind of schematic diagram for liquid crystal display device that second embodiment of the invention provides.
Specific embodiment
Although the present invention is described in more detail below with reference to accompanying drawings, which show preferred implementations of the invention
Example, it should be understood that those skilled in the art can modify on the basis of the description, and the present invention still may be implemented
Advantageous effects.Therefore, following description should be understood as the extension to the thinking of those skilled in the art, and be not intended as
Limitation of the present invention.
In order to clearly describe whole features of practical embodiments.In the following description, it is not described in detail well known function
And structure, because they can make the present invention chaotic due to unnecessary details.It will be understood that opening in any practical embodiments
In hair, it is necessary to make a large amount of implementation details to realize the specific objective of developer, such as according to related system or related business
Limitation, changes into another embodiment by one embodiment.Additionally, it should think that this development may be complicated and expend
Time, but for a person skilled in the art it is only routine work.
The present invention is more specifically described by way of example referring to attached drawing in the following passage.Make the present invention according to following explanation
Main points and feature will become apparent from.It should be noted that attached drawing is all made of very simplified form and uses non-accurate ratio,
Only to convenient, the clearly aid illustration embodiment of the present invention the purpose.
The embodiment of the present invention provides a kind of flexible printed circuit board, and as shown in FIG. 1, FIG. 1 is one kind provided by the invention is soft
Property printed circuit board schematic diagram；Flexible printed circuit board 100 includes first end, and in the present embodiment, first end only indicates soft
Property printed circuit board 100 one end, under normal circumstances, flexible printed circuit board 100 has both ends, for be electrically connected two electronics
Device, first end herein refer to the wherein one end at above-mentioned both ends, wherein first end includes the first conductive part 101a, second
Conductive part 103a is additionally provided with substrate 102 between the first conductive part 101a and the second conductive part 103a, in flexible printing electricity
One side surface of road plate 100 is additionally provided with the second protective layer 104, and the first conductive part 101a is parallel with the second conductive part 103a, the
The same side of flexible printed circuit board 100 is arranged in one conductive part 101a and the second conductive part 103a.
Flexible printed circuit board provided in this embodiment, the first conductive part that the first end of flexible printed circuit board includes and
Second conductive part, and the first conductive part is parallel with the second conductive part, the first conductive part circuit different from the connection of the second conductive part,
Realize that a flexible printed circuit board connects two parts circuit, and since the first conductive part and the second conductive part are arranged in flexibility
Printed circuit board same side facilitates welding.In a display device, especially in surface-type touch screen, generally require two it is soft
Property printed circuit board be separately connected the touch-control circuits of array substrate step end and color membrane substrates, and use provided by the invention soft
Property printed circuit board, may be implemented using a flexible printed circuit board while connecting array substrate step end and color membrane substrates
Touch-control circuit, be thinned flexible printed circuit board thickness, and due to omitting a flexible printed circuit board, save display
The cost of device, on the other hand, since the first conductive part of flexible printed circuit board is parallel with the second conductive part, when the first conductive part
After screen contraposition, it is convenient to omit the second conductive part aligns process, saves human cost.
As shown in Fig. 2, Fig. 2 is in Fig. 1 along AA ' line cross-sectional view, specifically, flexible printed circuit board includes substrate 102, with
And the first conductive layer 101 of 102 first surface of substrate is set, the second conductive layer 103 of 102 second surface of substrate is set,
Flexible printed circuit board further includes the first protective layer 105 for deviating from 102 1 side surface of substrate positioned at the first conductive layer 101, is located at
Second conductive layer 103 deviate from 102 1 side surface of substrate the second protective layer 104, wherein for substrate 102 first surface and
Second surface, and without limitation, generally refer to the upper and lower surface when substrate is laid flat.
Optionally, soft as shown in figure 3, Fig. 3 is another flexible printed circuit board schematic diagram provided in an embodiment of the present invention
Property printed circuit board include substrate 102, and the first conductive layer 101 of 102 first surface of substrate is set, is arranged in substrate
Second conductive layer 103 of 102 second surfaces, flexible printed circuit board further include being located at the first conductive layer 101 away from substrate 102 1
First protective layer 105 of side surface deviates from the second protective layer 104 of 102 1 side surface of substrate positioned at the second conductive layer 103,
In, for the first surface and second surface of substrate 102, and without limitation, generally refer to the upper and lower surface when substrate is laid flat.
First conductive layer, 101 area is greater than the area of substrate 102, that is to say, that the first conductive layer 101 is more bigger than substrate 102, in this reality
It applies in mode, in Fig. 3, the first conductive layer 101 exposes compared to substrate 102 in upper end, forms the first conductive part 101a；Second
103 area of conductive layer is less than 102 area of substrate, and the second protective layer 104 is provided with the first opening 106, and the second conductive layer 103 exists
The second conductive part 103a is formed at first opening 106.
Optionally, soft as shown in figure 4, Fig. 4 is another flexible printed circuit board schematic diagram provided in an embodiment of the present invention
Property printed circuit board include substrate 102, and the first conductive layer 101 of 102 first surface of substrate is set, is arranged in substrate
Second conductive layer 103 of 102 second surfaces, flexible printed circuit board further include being located at the first conductive layer 101 away from substrate 102 1
First protective layer 105 of side surface deviates from the second protective layer 104 of 102 1 side surface of substrate positioned at the second conductive layer 103,
In, for the first surface and second surface of substrate 102, and without limitation, generally refer to the upper and lower surface when substrate is laid flat.
In the present embodiment, the second protective layer 104 is provided with the second opening 107 and third opening 108, and the second conductive layer 101 is the
The first conductive part 101a is formed at two openings 107；Second conductive layer 101 forms the second conductive part 103a at third opening 108.
Via hole 109 is additionally provided on substrate 102, the first conductive layer 101 is electrically connected with the second conductive layer 103 by via hole 109.It needs
Illustrate, the first conductive layer 101 includes at least two parts circuit in present embodiment, and a portion circuit passes through via hole
109 the second conductive layers 103 of electrical connection form the first conductive part 101a；A portion circuit passes through the electrical connection of via hole 109 second
Conductive layer 103 forms the second conductive part 103a；Two parts circuit is insulated from each other or is connected in chip together, described herein
Chip can be the integrated circuit (integrated circuit, IC) of liquid crystal display panel, or the drive of touch-control structure
Dynamic circuit, can also be the central processing unit (Central Processing Unit, CPU) of display device, present embodiment
In, without limitation to chip structure.
Optionally, as shown in figure 5, Fig. 5 is another flexible printed circuit board provided in an embodiment of the present invention, flexible printing
Circuit board includes substrate 102, and the third conductive layer 110 being arranged on 102 1 side surface of substrate, and third conductive layer 110 is carried on the back
102 side of substrate is provided with third protective layer 111, third protective layer 111 includes the 4th opening 112 and the 5th opening 115,
In, third conductive layer 110 forms the first conductive part 101a at the 4th opening 112, and third conductive layer 110 is in the 5th opening 115
Place forms the second conductive part 103a.
It, can be with it should be noted that the embodiment of the present invention is to the first conductive part and the second conductive part structure and without limitation
The structure being electrically connected with the first conductive layer, the second conductive layer or third conductive layer, common, the first conductive part and second
Conductive part respectively includes multiple golden fingers.
The present invention also provides a kind of display devices, including above-mentioned flexible printed circuit board.Further, as shown in fig. 6, figure
6 be a kind of display device provided by the invention, and display device includes first substrate 116 and the second substrate 117, and is located at first
Display layer 118 between substrate 116 and the second substrate 117, the second substrate 117 are provided with away from the one side of first substrate 116
Touch control layer 119, first substrate 116 include stepped area towards 117 one side of the second substrate, and flexible printed circuit board includes substrate
102, and the first conductive layer 101 of 102 first surface of substrate is set, second that 102 second surface of substrate is arranged in is conductive
Layer 103, flexible printed circuit board further include the first protective layer for deviating from 102 1 side surface of substrate positioned at the first conductive layer 101
105, the second protective layer 104 of 102 1 side surface of substrate is deviated from positioned at the second conductive layer 103, in the part of the first conductive layer 101
Region forms the first conductive part 101a, forms the second conductive part 103a in the partial region of the second conductive layer 103, wherein flexible
First conductive part 101a of printed circuit board is electrically connected with touch control layer 119, the second conductive part 103a of flexible printed circuit board with
Stepped area electrical connection.
Optionally, the thickness of substrate 102 is more than or equal to 117 thickness of the second substrate, with continued reference to Fig. 6, due to flexible printing
First conductive part 101a of circuit board is electrically connected with touch control layer 119, the second conductive part 103a and step of flexible printed circuit board
Region electrical connection, and touch control layer 119 and stepped area are spaced display layer 118, the second substrate 117 and touching not in same plane
The thickness of layer 119 is controlled, therefore, the thickness of substrate 102 is preferably greater than equal to 117 thickness of the second substrate.
It should be noted that display device provided by the invention, can be liquid crystal display device, that is to say, that first substrate
For array substrate, the second substrate is color membrane substrates, and display layer is liquid crystal layer；Display device may be organic light emitting display dress
It sets, wherein first substrate is organic light emitting array substrate, and the second substrate is cover board, and display layer is organic luminous layer.In the present invention
In, display device is not defined.
In addition, display device provided by the invention, wherein touch control layer 119 can be complete touch-control structure, or
The part-structure of touch-control structure.
Flexible printed circuit board provided by the invention and display device, the first end of flexible printed circuit board include first
Conductive part and the second conductive part, and the first conductive part is parallel with the second conductive part, and the first conductive part is connect with the second conductive part
Different circuits realize that a flexible printed circuit board connects two parts circuit, and due to the first conductive part and the second conductive part
It is arranged in flexible printed circuit board same side, facilitates welding.In a display device, especially in surface-type touch screen, generally
It needs two flexible printed circuit boards to be separately connected the touch-control circuit of array substrate step end and color membrane substrates, and uses this hair
The flexible printed circuit board of bright offer, may be implemented using a flexible printed circuit board and meanwhile connect array substrate step end with
And the touch-control circuit of color membrane substrates, it is thinned flexible printed circuit board thickness, and due to omitting a flexible printed circuit board,
The cost of display device is saved, on the other hand, since the first conductive part of flexible printed circuit board is parallel with the second conductive part, when
After first conductive part and screen contraposition, it is convenient to omit the second conductive part aligns process, saves human cost.
Although in conclusion the present invention has been disclosed in the preferred embodiments as above, however, it is not to limit the invention, ability
The technical staff in domain can do under the premise without departing from the spirit and scope of the present invention it is various change and retouch, if therefore this
Within the scope of the claims of the present invention and its equivalent technology, then the present invention is also intended to packet to these modifications and variations of invention
Including these modification and variations.Protection scope of the present invention is subject to claim of the invention.
Claims (5)
1. a kind of flexible printed circuit board, which is characterized in that including first end, the first end includes the first conductive part, second
Conductive part, first conductive part is parallel with second conductive part, and first conductive part and second conductive part are arranged
In the flexible printed circuit board same side；
Wherein, the flexible printed circuit board includes substrate, and the first conductive layer of the substrate first surface is arranged in, if
The second conductive layer in the substrate second surface is set, the flexible printed circuit board further includes being located at first conductive layer to carry on the back
The first protective layer from one side surface of substrate is protected positioned at second conductive layer away from the second of one side surface of substrate
Sheath, the first conductive layer area is greater than the area of the substrate, and forms the first conductive part, the second conductive layer area
Less than the substrate area, and second protective layer is provided with the first opening, and second conductive layer is in first opening
Place forms second conductive part.
2. flexible printed circuit board as described in claim 1, which is characterized in that first conductive part and second conduction
Portion respectively includes multiple golden fingers.
3. a kind of display device, which is characterized in that including the flexible printed circuit board as described in claim 1-2 is any.
4. display device as claimed in claim 3, which is characterized in that the display device includes first substrate and the second base
Plate, the second substrate are provided with touch control layer away from the one side of the first substrate, and the first substrate is towards described second
Substrate one side includes stepped area, and first conductive part of the flexible printed circuit board is electrically connected with the touch control layer,
Second conductive part of the flexible printed circuit board is electrically connected with the stepped area.
5. display device as claimed in claim 4, which is characterized in that the flexible printed circuit board includes substrate, the base
Material thickness is more than or equal to the second substrate thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511026136.0A CN105611714B (en) | 2015-12-31 | 2015-12-31 | Flexible printed circuit board and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511026136.0A CN105611714B (en) | 2015-12-31 | 2015-12-31 | Flexible printed circuit board and display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105611714A CN105611714A (en) | 2016-05-25 |
| CN105611714B true CN105611714B (en) | 2019-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201511026136.0A Active CN105611714B (en) | 2015-12-31 | 2015-12-31 | Flexible printed circuit board and display device |
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| CN (1) | CN105611714B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108133669B (en) * | 2018-01-24 | 2024-09-10 | 京东方科技集团股份有限公司 | Flexible display screen, binding method and display device |
| CN109686759B (en) * | 2018-12-05 | 2020-11-06 | 武汉华星光电半导体显示技术有限公司 | Display screen assembly |
| CN109788639A (en) * | 2019-02-28 | 2019-05-21 | 武汉华星光电半导体显示技术有限公司 | FPC circuit board |
| CN110505756B (en) * | 2019-07-30 | 2020-12-08 | 武汉华星光电技术有限公司 | Flexible printed circuit board and display device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101938883A (en) * | 2010-08-26 | 2011-01-05 | 厦门弘信电子科技有限公司 | Single-side double contact flexible circuit board and making method thereof |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001210919A (en) * | 1999-11-17 | 2001-08-03 | Sharp Corp | Flexible wiring board and electronic apparatus using the same |
| CN101600291A (en) * | 2008-06-06 | 2009-12-09 | 胜华科技股份有限公司 | Liquid crystal display module and its flexible printed circuit board |
| CN101900894B (en) * | 2009-05-27 | 2012-01-25 | 比亚迪股份有限公司 | Liquid crystal display module and flexible printed circuit board |
| CN201550352U (en) * | 2009-07-27 | 2010-08-11 | 天马微电子股份有限公司 | Flexible PCB and LCM employing same |
| CN201860506U (en) * | 2010-10-09 | 2011-06-08 | 瀚宇彩晶股份有限公司 | Flexible printed circuit board structure |
| CN204009814U (en) * | 2014-07-09 | 2014-12-10 | 宸鸿科技(厦门)有限公司 | Touch-control module and flexible circuit board thereof |
| CN204305459U (en) * | 2014-12-31 | 2015-04-29 | 厦门天马微电子有限公司 | A kind of flexible printed circuit board and display device |
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2015
- 2015-12-31 CN CN201511026136.0A patent/CN105611714B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101938883A (en) * | 2010-08-26 | 2011-01-05 | 厦门弘信电子科技有限公司 | Single-side double contact flexible circuit board and making method thereof |
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| CN105611714A (en) | 2016-05-25 |
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