CN105611714A - Flexible printed circuit board and display apparatus - Google Patents
Flexible printed circuit board and display apparatus Download PDFInfo
- Publication number
- CN105611714A CN105611714A CN201511026136.0A CN201511026136A CN105611714A CN 105611714 A CN105611714 A CN 105611714A CN 201511026136 A CN201511026136 A CN 201511026136A CN 105611714 A CN105611714 A CN 105611714A
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- China
- Prior art keywords
- printed circuit
- flexible printed
- circuit board
- conductive part
- conductive
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Classifications
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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
Abstract
The invention provides a flexible printed circuit board and a display apparatus. The flexible printed circuit board comprises a first end, wherein the first end comprises a first conducive part and a second conductive part; the first conductive part is parallel with the second conductive part; and the first conductive part and the second conductive part are arranged on the side face of the flexible printed circuit board. According to the flexible printed circuit board and the display apparatus provided by the invention, the first conductive part and the second conductive part are connected with different circuits, so that the flexible printed circuit board is connected with two parts of circuits; and in addition, the first conductive part and the second conductive part are arranged on the side face of the flexible printed circuit board, so that convenient welding is realized.
Description
Technical field
The present invention relates to demonstration field, particularly relate to a kind of flexible printed circuit board and display unit.
Background technology
Along with the development of electronics technology, the function of display unit is not limited only to receiving video signals thenShow, display unit now is also integrated with touch controllable function, can be according to operator to display unitTouch control operation information, input control order.
There is at present the display unit of touch controllable function, can be divided into according to structure: external hanging type touch screen, coveringSurface-type touch screen and embedded touch screen, the display unit of touch controllable function by flexible printed circuit board incite somebody to actionTouching signals feeds back in chip, and wherein, flexible PCB is taking polyimides or polyester film as base material systemThe one becoming has height reliability, excellent flexible printed circuit. Have that distribution density is high, weightGently, thin thickness, feature that bending is good.
Summary of the invention
In view of this, the invention provides a kind of flexible printed circuit board, comprise first end, described first endComprise the first conductive part, the second conductive part, described the first conductive part is parallel with described the second conductive part, described inThe first conductive part and described the second conductive part are arranged on described flexible printed circuit board same side.
The present invention also provides a kind of display unit, comprises above-mentioned flexible printed circuit board.
Flexible printed circuit board provided by the invention and display unit, the first end of flexible printed circuit board comprisesThe first conductive part and the second conductive part, and the first conductive part is parallel with the second conductive part, the first conductive partConnect different circuit from the second conductive part, realize a flexible printed circuit board and connect two parts circuit, andBecause the first conductive part and the second conductive part are arranged on flexible printed circuit board same side, convenient welding. ?In display unit, especially at surface-type touch screen, generally need two flexible printed circuit boards to connect respectivelyThe touch-control circuit of array base palte step end and color membrane substrates, and use flexible print circuit provided by the inventionPlate, can realize and use a flexible printed circuit board to connect array base palte step end and color membrane substrates simultaneouslyTouch-control circuit, attenuate flexible printed circuit board thickness, and due to omit a flexible printed circuit board,Save the cost of display unit, on the other hand, because flexible printed circuit board the first conductive part and second is ledElectricity portion is parallel, when after the first conductive part and screen contraposition, can omit the second conductive part contraposition operation, savesHuman cost.
Brief description of the drawings
Fig. 1 is a kind of flexible printed circuit board schematic diagram provided by the invention;
Fig. 2 is along AA ' line cutaway view in Fig. 1;
The another kind of flexible printed circuit board schematic diagram that Fig. 3 provides for the embodiment of the present invention;
Another flexible printed circuit board schematic diagram that Fig. 4 provides for the embodiment of the present invention;
Another flexible printed circuit board that Fig. 5 provides for the embodiment of the present invention;
Fig. 6 is a kind of display unit provided by the invention.
Detailed description of the invention
Although below with reference to accompanying drawings the present invention is described in more detail, wherein represent of the present invention excellentSelect embodiment, should be understood to those skilled in the art can modify on basis described here, and stillSo can realize advantageous effects of the present invention. Therefore, following description is appreciated that art technologyThe expansion of personnel's thinking, and not as limitation of the present invention.
In order clearly to describe whole features of practical embodiments. In the following description, be not described in detail knownFunction and structure because they can make the present invention chaotic due to unnecessary details. Will be understood that in officeIn the exploitation of what practical embodiments, must make a large amount of implementation details to realize developer's specific objective, exampleAs according to about system or about the restriction of business, change into another embodiment by an embodiment. In addition,Will be understood that this development may be complicated and time-consuming, but for a person skilled in the artIt is only routine work.
In the following passage, with way of example, the present invention is more specifically described with reference to accompanying drawing. Make according to following explanationMain points of the present invention and feature will be clearer. It should be noted that, accompanying drawing all adopts very the form simplified and allUse non-ratio accurately, only in order to convenient, the object of the aid illustration embodiment of the present invention clearly.
The embodiment of the present invention provides a kind of flexible printed circuit board, and as shown in Figure 1, Fig. 1 is for the invention providesA kind of flexible printed circuit board schematic diagram; Flexible printed circuit board 100 comprises first end, in this enforcement sideIn formula, first end only represents one end of flexible printed circuit board 100, generally, and flexible print circuitPlate 100 has two ends, and for being electrically connected two electronic devices, first end herein refers to above-mentioned two endsWherein one end, wherein, first end comprises the first conductive part 101a, the second conductive part 103a, in the first conductionBetween the 101a of portion and the second conductive part 103a, be also provided with base material 102, at flexible printed circuit board 100It is parallel with the second conductive part 103a that one side surface is also provided with the second protective layer 104, the first conductive part 101a,The first conductive part 101a and the second conductive part 103a are arranged on the same side of flexible printed circuit board 100.
The flexible printed circuit board that the present embodiment provides, what the first end of flexible printed circuit board comprised first leadsElectricity portion and the second conductive part, and the first conductive part is parallel with the second conductive part, and the first conductive part and second is ledElectricity portion connects different circuit, and realize a flexible printed circuit board and connect two parts circuit, and due to firstConductive part and the second conductive part are arranged on flexible printed circuit board same side, convenient welding. In display unitIn, especially at surface-type touch screen, generally need two flexible printed circuit boards to connect respectively array base palteThe touch-control circuit of step end and color membrane substrates, and use flexible printed circuit board provided by the invention, canRealize the touch-control electricity that uses a flexible printed circuit board simultaneously to connect array base palte step end and color membrane substratesRoad, attenuate flexible printed circuit board thickness, and due to omit a flexible printed circuit board, savedThe cost of display unit, on the other hand, because flexible printed circuit board the first conductive part and the second conductive part are flatOK, when after the first conductive part and screen contraposition, can omit the second conductive part contraposition operation, save manpower and becomeThis.
As shown in Figure 2, Fig. 2 be in Fig. 1 along AA ' line cutaway view, concrete, flexible printed circuit board comprisesBase material 102, and be arranged on the first conductive layer 101 of base material 102 first surfaces, be arranged on base material 102Second conductive layer 103 on two surfaces, flexible printed circuit board also comprises that being positioned at the first conductive layer 101 deviates from base materialThe first protective layer 105 of 102 1 side surfaces, is positioned at the second conductive layer 103 and deviates from base material 102 1 side surfacesThe second protective layer 104, wherein, for first surface and the second surface of base material 102, does not limit oneAs refer to the upper and lower surface in the time that base material keeps flat.
It should be noted that, the material of the first conductive layer 101 and the second conductive layer 103 is insulating materials, exampleAs, can be polyimides (Polyimide) material.
Optionally, as shown in Figure 3, the another kind of flexible printed circuit board that Fig. 3 provides for the embodiment of the present inventionSchematic diagram, flexible printed circuit board comprises base material 102, and is arranged on first of base material 102 first surfaces and leadsElectricity layer 101, is arranged on the second conductive layer 103 of base material 102 second surfaces, and flexible printed circuit board also comprisesBe positioned at the first protective layer 105 that the first conductive layer 101 deviates from base material 102 1 side surfaces, be positioned at the second conductive layer103 deviate from the second protective layer 104 of base material 102 1 side surfaces, wherein, and for the first surface of base material 102And second surface, do not limit, generally refer to the upper and lower surface in the time that base material keeps flat. The first conductive layer 101Area is greater than the area of base material 102, that is to say, the first conductive layer 101 is more bigger than base material 102, at thisIn embodiment, in Fig. 3, the first conductive layer 101 exposes in upper end compared to base material 102, forms theOne conductive part 101a; The second conductive layer 103 areas are less than base material 102 areas, and the second protective layer 104 is establishedBe equipped with the first opening 106, the second conductive layers 103 and form the second conductive part 103a at the first opening 106 places.
Optionally, as shown in Figure 4, another flexible printed circuit board that Fig. 4 provides for the embodiment of the present inventionSchematic diagram, flexible printed circuit board comprises base material 102, and is arranged on first of base material 102 first surfaces and leadsElectricity layer 101, is arranged on the second conductive layer 103 of base material 102 second surfaces, and flexible printed circuit board also comprisesBe positioned at the first protective layer 105 that the first conductive layer 101 deviates from base material 102 1 side surfaces, be positioned at the second conductive layer103 deviate from the second protective layer 104 of base material 102 1 side surfaces, wherein, and for the first surface of base material 102And second surface, do not limit, generally refer to the upper and lower surface in the time that base material keeps flat. In present embodimentIn, the second protective layer 104 is provided with the second opening 107 and the 3rd opening 108, the second conductive layers 101Two opening 107 places form the first conductive part 101a; The second conductive layer 101 forms the at the 3rd opening 108 placesTwo conductive part 103a. On base material 102, be also provided with via hole 109, the first conductive layers 101 and the second conductionLayer 103 is electrically connected by via hole 103. It should be noted that, in present embodiment the first conductive layer 101 toComprise less two parts circuit, wherein a part of circuit is controlled 109 electrical connection the second conductive layers 103 by mistake and is formedThe first conductive part 101a; Wherein a part of circuit is controlled 109 electrical connection the second conductive layers 103 by mistake and is formedOne conductive part 103a; Two parts circuit is insulated from each other or be connected to together in chip, chip described herein,Can be the integrated circuit (integratedcircuit, IC) of display panels, can be also touch-control structureDrive circuit, can also be the central processing unit (CentralProcessingUnit, CPU) of display unit,In present embodiment, chip structure is not limited.
Optionally, as shown in Figure 5, another flexible printed circuit board that Fig. 5 provides for the embodiment of the present invention,Flexible printed circuit board comprises base material 102, and is arranged on the 3rd conductive layer on base material 102 1 side surfaces110, the three conductive layers 110 deviate from base material 102 1 sides and are provided with the 3rd protective layer 111, the three protective layers 111Comprise the 4th opening 112 and the 5th opening 113, wherein, the 3rd conductive layer 110 is the 4th opening 112 place's shapesBecome the first conductive part 101a, the 3rd conductive layer 110 forms the second conductive part 102a at the 5th opening 115 places.
It should be noted that, the embodiment of the present invention does not limit the first conductive part and the second conductive part structure,The structure that can be electrically connected with the first conductive layer, the second conductive layer or the 3rd conductive layer, common,The first conductive part and the second conductive part comprise respectively multiple golden fingers.
The present invention also provides a kind of display unit, comprises above-mentioned flexible printed circuit board. Further, as Fig. 6Shown in, Fig. 6 is a kind of display unit provided by the invention, display unit comprises first substrate 116 and secondSubstrate 117, and display layer 118 between first substrate 116 and second substrate 117, second substrate117 sides that deviate from first substrate 116 are provided with touch control layer 119, and first substrate 116 is towards second substrate117 1 sides comprise stepped area, and flexible printed circuit board comprises base material 102, and are arranged on base material 102The first conductive layer 101 of first surface, is arranged on the second conductive layer 103 of base material 102 second surfaces, flexibilityPrinted circuit board (PCB) also comprises and is positioned at the first protective layer that the first conductive layer 101 deviates from base material 102 1 side surfaces105, be positioned at the second protective layer 104 that the second conductive layer 103 deviates from base material 102 1 side surfaces, lead firstThe subregion of electricity layer 101 forms the first conductive part 101a, forms in the subregion of the second conductive layer 103The first conductive part 103a, wherein, the first conductive part 101a and the touch control layer 119 of flexible printed circuit board are electrically connectedConnect, the second conductive part 103a of flexible printed circuit board is electrically connected with stepped area.
Optionally, the thickness of base material 102 is more than or equal to second substrate 117 thickness, continue with reference to figure 6, due toThe first conductive part 101a of flexible printed circuit board is electrically connected with touch control layer 119, of flexible printed circuit boardTwo conductive part 103a are electrically connected with stepped area, and touch control layer 119 with stepped area not at same plane,Every the thickness of display layer 118, second substrate 117 and touch control layer 119, therefore, the thickness of base material 102 is excellentChoosing be more than or equal to second substrate 117 thickness.
It should be noted that, display unit provided by the invention, can be liquid crystal indicator, that is to sayFirst substrate is array base palte, and second substrate is color membrane substrates, and display layer is liquid crystal layer; Display unit also canThink organic light-emitting display device, wherein first substrate is organic light emission array base palte, and second substrate is cover plate,Display layer is organic luminous layer. In the present invention, display unit is not limited.
In addition, display unit provided by the invention, wherein touch control layer 119 can be complete touch-control structure,Also can be the part-structure of touch-control structure.
Flexible printed circuit board provided by the invention and display unit, the first end of flexible printed circuit board comprisesThe first conductive part and the second conductive part, and the first conductive part is parallel with the second conductive part, the first conductive partConnect different circuit from the second conductive part, realize a flexible printed circuit board and connect two parts circuit, andBecause the first conductive part and the second conductive part are arranged on flexible printed circuit board same side, convenient welding. ?In display unit, especially at surface-type touch screen, generally need two flexible printed circuit boards to connect respectivelyThe touch-control circuit of array base palte step end and color membrane substrates, and use flexible print circuit provided by the inventionPlate, can realize and use a flexible printed circuit board to connect array base palte step end and color membrane substrates simultaneouslyTouch-control circuit, attenuate flexible printed circuit board thickness, and due to omit a flexible printed circuit board,Save the cost of display unit, on the other hand, because flexible printed circuit board the first conductive part and second is ledElectricity portion is parallel, when after the first conductive part and screen contraposition, can omit the second conductive part contraposition operation, savesHuman cost.
In sum, although the present invention discloses as above with preferred embodiment, so it is not in order to limit thisBright, those skilled in the art can do various changes under the premise without departing from the spirit and scope of the present inventionWith retouching, if therefore of the present invention these amendment and modification belong to the claims in the present invention and equivalent technologies thereofScope within, the present invention be also intended to comprise these change and modification interior. Protection scope of the present invention withClaim of the present invention is as the criterion.
Claims (10)
1. a flexible printed circuit board, is characterized in that, comprises first end, and described first end comprises the first conductionPortion, the second conductive part, described the first conductive part is parallel with described the second conductive part, described the first conductive part withDescribed the second conductive part is arranged on described flexible printed circuit board same side.
2. flexible printed circuit board as claimed in claim 1, is characterized in that, described flexible printed circuit board bagDraw together base material, and be arranged on the first conductive layer of described base material first surface, be arranged on described base material second and showThe second conductive layer of face, described flexible printed circuit board also comprises that being positioned at described the first conductive layer deviates from described baseThe first protective layer of material one side surface, is positioned at described the second conductive layer and deviates from second of described base material one side surfaceProtective layer.
3. flexible printed circuit board as claimed in claim 2, is characterized in that, described the first conductive layer area is largeIn the area of described base material, and form the first conductive part; Described the second conductive layer area is less than described substrate surfaceLong-pending, and described the second protective layer is provided with the first opening, and described the second conductive layer is described the first opening part shapeBecome described the second conductive part.
4. flexible printed circuit board as claimed in claim 2, is characterized in that, described the second protective layer is provided withThe second opening and the 3rd opening, described the second conductive layer forms described the first conductive part at described the second opening part;Described the second conductive layer forms described the second conductive part at described the 3rd opening part.
5. flexible printed circuit board as claimed in claim 4, is characterized in that, described base material comprises via hole, instituteStating the first conductive layer is electrically connected by described via hole with described the second conductive layer.
6. flexible printed circuit board as claimed in claim 1, is characterized in that, described flexible printed circuit board bagDraw together base material, and be arranged on the 3rd conductive layer on described base material one side surface, described the 3rd conductive layer deviates fromDescribed base material one side is provided with the 3rd protective layer, and described the 3rd protective layer comprises the 4th opening and the 5th opening,Described the 3rd conductive layer forms described the first conductive part at described the 4th opening part, and described the 3rd conductive layer is in instituteState the 5th opening part and form described the second conductive part.
7. flexible printed circuit board as claimed in claim 1, is characterized in that, described the first conductive part with described inThe second conductive part comprises respectively multiple golden fingers.
8. a display unit, is characterized in that, comprise as arbitrary in claim 1-7 as described in flexible printed circuit board.
9. display unit as claimed in claim 8, is characterized in that, described display unit comprise first substrate andSecond substrate, the side that described second substrate deviates from described first substrate is provided with touch control layer, and described firstReal estate comprises stepped area to described second substrate one side, described first of described flexible printed circuit boardConductive part is electrically connected with described touch control layer, described second conductive part of described flexible printed circuit board and describedThe electrical connection of region, rank.
10. display unit as claimed in claim 9, is characterized in that, described in described base material thickness is more than or equal toSecond 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 |
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| Publication Number | Publication Date |
|---|---|
| CN105611714A true CN105611714A (en) | 2016-05-25 |
| CN105611714B 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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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| WO2020113735A1 (en) * | 2018-12-05 | 2020-06-11 | 武汉华星光电半导体显示技术有限公司 | Display screen assembly |
| WO2021017117A1 (en) * | 2019-07-30 | 2021-02-04 | 武汉华星光电技术有限公司 | Flexible printed circuit board and display device |
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| 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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| CN1302177A (en) * | 1999-11-17 | 2001-07-04 | 夏普株式会社 | Flexible wiring board and electronic device using said board |
| CN101600291A (en) * | 2008-06-06 | 2009-12-09 | 胜华科技股份有限公司 | LCD MODULE and flexible printed wiring board thereof |
| CN101900894A (en) * | 2009-05-27 | 2010-12-01 | 比亚迪股份有限公司 | Liquid crystal display module and flexible printed circuit board |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2020113735A1 (en) * | 2018-12-05 | 2020-06-11 | 武汉华星光电半导体显示技术有限公司 | Display screen assembly |
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| WO2021017117A1 (en) * | 2019-07-30 | 2021-02-04 | 武汉华星光电技术有限公司 | Flexible printed circuit board and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105611714B (en) | 2019-07-23 |
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