WO2017210965A1 - 一种柔性扁平电缆 - Google Patents

一种柔性扁平电缆 Download PDF

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Publication number
WO2017210965A1
WO2017210965A1 PCT/CN2016/090615 CN2016090615W WO2017210965A1 WO 2017210965 A1 WO2017210965 A1 WO 2017210965A1 CN 2016090615 W CN2016090615 W CN 2016090615W WO 2017210965 A1 WO2017210965 A1 WO 2017210965A1
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WIPO (PCT)
Prior art keywords
flat cable
flexible flat
pad
shape
ffc
Prior art date
Application number
PCT/CN2016/090615
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English (en)
French (fr)
Inventor
黄笑宇
Original Assignee
深圳市华星光电技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳市华星光电技术有限公司 filed Critical 深圳市华星光电技术有限公司
Priority to US15/301,331 priority Critical patent/US10319498B2/en
Publication of WO2017210965A1 publication Critical patent/WO2017210965A1/zh

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/08Flat or ribbon cables
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/08Flat or ribbon cables
    • H01B7/0823Parallel wires, incorporated in a flat insulating profile
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50Fixed connections
    • H01R12/59Fixed connections for flexible printed circuits, flat or ribbon cables or like structures
    • H01R12/61Fixed connections for flexible printed circuits, flat or ribbon cables or like structures connecting to flexible printed circuits, flat or ribbon cables or like structures
    • H01R12/613Fixed connections for flexible printed circuits, flat or ribbon cables or like structures connecting to flexible printed circuits, flat or ribbon cables or like structures by means of interconnecting elements
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/04Flexible cables, conductors, or cords, e.g. trailing cables
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50Fixed connections
    • H01R12/59Fixed connections for flexible printed circuits, flat or ribbon cables or like structures
    • H01R12/62Fixed connections for flexible printed circuits, flat or ribbon cables or like structures connecting to rigid printed circuits or like structures
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/08Flat or ribbon cables
    • H01B7/0846Parallel wires, fixed upon a support layer
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50Fixed connections
    • H01R12/59Fixed connections for flexible printed circuits, flat or ribbon cables or like structures
    • H01R12/61Fixed connections for flexible printed circuits, flat or ribbon cables or like structures connecting to flexible printed circuits, flat or ribbon cables or like structures
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70Coupling devices
    • H01R12/7076Coupling devices for connection between PCB and component, e.g. display
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70Coupling devices
    • H01R12/71Coupling devices for rigid printing circuits or like structures
    • H01R12/712Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
    • H01R12/716Coupling device provided on the PCB
    • H01R12/718Contact members provided on the PCB without an insulating housing
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70Coupling devices
    • H01R12/71Coupling devices for rigid printing circuits or like structures
    • H01R12/72Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70Coupling devices
    • H01R12/71Coupling devices for rigid printing circuits or like structures
    • H01R12/72Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
    • H01R12/721Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures cooperating directly with the edge of the rigid printed circuits
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70Coupling devices
    • H01R12/71Coupling devices for rigid printing circuits or like structures
    • H01R12/72Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
    • H01R12/722Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures coupling devices mounted on the edge of the printed circuits
    • H01R12/728Coupling devices without an insulating housing provided on the edge of the PCB
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70Coupling devices
    • H01R12/71Coupling devices for rigid printing circuits or like structures
    • H01R12/72Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
    • H01R12/73Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures connecting to other rigid printed circuits or like structures
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70Coupling devices
    • H01R12/71Coupling devices for rigid printing circuits or like structures
    • H01R12/72Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
    • H01R12/73Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures connecting to other rigid printed circuits or like structures
    • H01R12/732Printed circuits being in the same plane
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70Coupling devices
    • H01R12/71Coupling devices for rigid printing circuits or like structures
    • H01R12/75Coupling devices for rigid printing circuits or like structures connecting to cables except for flat or ribbon cables
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70Coupling devices
    • H01R12/77Coupling devices for flexible printed circuits, flat or ribbon cables or like structures
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70Coupling devices
    • H01R12/77Coupling devices for flexible printed circuits, flat or ribbon cables or like structures
    • H01R12/78Coupling devices for flexible printed circuits, flat or ribbon cables or like structures connecting to other flexible printed circuits, flat or ribbon cables or like structures
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70Coupling devices
    • H01R12/77Coupling devices for flexible printed circuits, flat or ribbon cables or like structures
    • H01R12/79Coupling devices for flexible printed circuits, flat or ribbon cables or like structures connecting to rigid printed circuits or like structures
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/04Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation using electrically conductive adhesives
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00Printed circuits
    • H05K1/02Details
    • H05K1/11Printed elements for providing electric connections to or between printed circuits
    • H05K1/117Pads along the edge of rigid circuit boards, e.g. for pluggable connectors
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00Printed circuits
    • H05K1/02Details
    • H05K1/14Structural association of two or more printed circuits
    • H05K1/142Arrangements of planar printed circuit boards in the same plane, e.g. auxiliary printed circuit insert mounted in a main printed circuit
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/09Shape and layout
    • H05K2201/09145Edge details
    • H05K2201/09172Notches between edge pads
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/09Shape and layout
    • H05K2201/09145Edge details
    • H05K2201/0919Exposing inner circuit layers or metal planes at the side edge of the printed circuit board [PCB] or at the walls of large holes
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/09Shape and layout
    • H05K2201/09209Shape and layout details of conductors
    • H05K2201/09372Pads and lands
    • H05K2201/09472Recessed pad for surface mounting; Recessed electrode of component
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10227Other objects, e.g. metallic pieces
    • H05K2201/10356Cables

Definitions

  • the present invention relates to the technical field of data transmission cables, and more particularly to a flexible flat cable.
  • FFC Flexible Flat Cable
  • TFT-LCD Thin Film Transistor Liquid Crystal Display
  • the main driving process of TFT-LCD is: R/G/B compression signal, control signal and power are sent from the system board to C-Board (Control Board), and TCON (Timing Controller, timing) on C-board is used.
  • the controller processes the chip, transfers it to PCB1 and PCB2 through FFC, and after re-correlation processing, passes S-COF (Source-Chip on Film) and G-COF (Gate-Chip on Film,
  • S-COF Source-Chip on Film
  • G-COF Gate-Chip on Film
  • the gate drive chip is sent to the display area to allow the LCD to obtain the required power and various signals.
  • thinning, high reliability, and convenient connection are realized by using FFC in the transmission of the power source and various signals.
  • Figure 1 shows a conventional FFC structure diagram.
  • a conventional FFC includes a substrate and terminals 1 and 2 on both sides of the substrate.
  • a plurality of conductive metal wires are included in the non-conductive substrate.
  • Pins (Pin) at both ends of the conductive metal wire are connected to the terminal 1 and the terminal 2, respectively.
  • Terminal 1 and terminal 2 are respectively connected to two connectors (Connectors) to realize transmission of signals, data, and the like between hardware to which the two connectors are connected (for example, two PCB boards).
  • the shape of the terminal 1 and the terminal 2 must match the structure of the corresponding connector, and the entire FFC needs to be replaced regardless of which one of the terminal 1 and the terminal 2 does not match the structure of the corresponding connector.
  • the terminal when the terminal is connected to the connector, it usually needs to rely on external force or hard force to engage the mechanism by snapping. After so many times of use, the terminal wears more and is easily damaged, even if only one terminal is damaged. It is also necessary to replace the entire FFC, resulting in waste of FFC.
  • the present invention provides a flexible flat cable comprising: a first flexible flat cable and a second flexible flat cable, wherein: one side and the first flexible flat cable One terminal is connected; the other side of the first flexible flat cable is provided with a plurality of first pads; one side of the second flexible flat cable is connected to the second terminal; and the other side of the second flexible flat cable is provided with a plurality of second pads connected in a plurality of first pads in a one-to-one correspondence.
  • the first flexible flat cable may include a first portion for arranging a first type of the plurality of first pads
  • the second flexible flat cable may include a first one for arranging the plurality of second pads
  • the second portion of the second type of pad, the shape of the first portion and the shape of the second portion are complementary.
  • the other side of the first flexible flat cable and the other side of the second flexible flat cable are each in a zigzag shape, the shape of the other side of the first flexible flat cable and the second flexible flat cable
  • the other side is complementary in shape; the first portion is a serrated portion and the second portion is a serrated concave portion.
  • the first flexible flat cable may include a third portion for arranging a second type of the plurality of first pads, and the second flexible flat cable may include for arranging the plurality of second pads
  • the fourth portion of the first type of pad, the shape of the third portion and the shape of the fourth portion are complementary.
  • the other side of the first flexible flat cable and the other side of the second flexible flat cable are each in a zigzag shape, the shape of the other side of the first flexible flat cable and the second flexible flat cable
  • the other side is complementary in shape; the third portion is a concave portion of the zigzag shape, and the fourth portion is a convex portion of the zigzag shape.
  • the first type of pad may be a pad disposed on a back side of the flexible flat cable
  • the second type of pad may be a pad disposed on a front side of the flexible flat cable
  • the first flexible flat cable may include a plurality of first wires, each of the first wires being connected to one first pad; the second flexible flat cable may include a plurality of second wires, each of the second wires being connected to a second lining pad.
  • connection between the first pad and the second pad is a detachable connection.
  • first pad and the second pad may be connected by a conductive adhesive.
  • the flexible flat cable according to an exemplary embodiment of the present invention only needs to adaptively replace the first flexible flat cable and/or the second flexible flat cable according to the structure of the connector and the damage of the terminal, instead of replacing the entire flexible flat cable, Thereby enhancing the versatility, reusability and repairability of the flexible flat cable.
  • Figure 1 shows a conventional FFC structure diagram
  • FIG. 2 shows an overall view of an FFC structure in accordance with an embodiment
  • FIG. 3A shows a top view of a portion A of an FFC structure in accordance with an embodiment
  • FIG. 3B shows a top view of a portion B of an FFC structure in accordance with an embodiment
  • FIG. 4A shows a bottom view of a portion A of an FFC structure in accordance with an embodiment
  • FIG. 4B shows a bottom view of a portion B of an FFC structure in accordance with an embodiment
  • Figure 5 illustrates a top plan view of a portion A and a portion B of an FFC structure in accordance with another embodiment
  • Figure 6 shows a top view of a portion A and a portion B of an FFC structure in accordance with another embodiment.
  • the present invention relates to an FFC capable of improving the versatility and reusability of the FFC.
  • Fig. 2 shows an overall view of the FFC structure of the present invention.
  • the FFC of the present invention includes a first flexible flat cable (hereinafter referred to as Part A) and a second flexible flat cable (hereinafter referred to as Part B).
  • Part A first flexible flat cable
  • Part B second flexible flat cable
  • One side of the A portion is connected to the first terminal, and the other side is provided with a plurality of first pads.
  • One side of the B portion is connected to the second terminal, and the other side is provided with a plurality of second pads connected in one-to-one correspondence with the plurality of first pads.
  • the A portion and the B portion will be described in detail below with reference to FIGS. 3A to 4B.
  • FIGS. 3A and 4A show a plan view and a bottom view, respectively, of a portion A of the FFC structure of the present invention.
  • the A portion of the FFC is configured in a zigzag shape, and a first pad (Pad) is disposed on the convex portion and the concave portion of the zigzag shape, respectively.
  • the convex portion of the zigzag shape may be referred to as a first portion
  • the concave portion of the sawtooth shape may be referred to as a third portion.
  • Each of the first pads may be a conductive patch that is connected to a conductive metal wire inside the substrate.
  • the A portion of the FFC includes six first pads: FFC Pad1-1 to FFC Pad1-6.
  • the FFC Pad 1-1 may be located on the back side of the first portion (the protruding portion of the zigzag shape), and the FFC Pad 1-2 may be located on the front surface of the third portion (the concave portion of the sawtooth shape), so that the FFC Pad1- 3 to FFC Pad1-6.
  • 3B and 4B show a plan view and a bottom view, respectively, of a portion B which is complementary to the A portion of the FFC described above.
  • the B portion is configured to have a zigzag shape complementary to the A portion, and the second pad is disposed on the convex portion and the concave portion of the complementary zigzag shape, respectively.
  • the concave portion of the zigzag shape may be referred to as a second portion
  • the convex portion of the sawtooth shape may be referred to as a fourth portion.
  • the B portion includes six second pads.
  • the FFC Pad 1-1 of the A portion When the FFC Pad 1-1 of the A portion is located on the back side of the first portion (the protruding portion of the zigzag shape) as shown in FIG. 2, the FFC Pad 2-6 among the six second pads of the B portion is disposed in the second portion ( The front side of the zigzag-shaped recessed portion is such that the FFC Pad 2-6 of the B portion and the FFC Pad 1-1 of the A portion can be operatively connected.
  • the FFC Pad 1-2 of the A portion can be located on the front side of the third portion (the concave portion of the zigzag shape) as shown in FIG.
  • the FFC Pad 2-5 of the B portion is disposed in the fourth portion (the convex portion of the zigzag shape) The back side, so that the FFC Pad 2-5 of Part B and the FFC Pad1-2 of Part A can be operatively connected.
  • the FFC Pad 1-3 to the FFC Pad 1-6 of the A portion and the FFC Pad 2-4 to the FFC Pad 2-1 of the B portion are sequentially connected in this order.
  • the spacer disposed on the back surface of the A portion or the B portion of the FFC may also be referred to as a first type of spacer, and the spacer disposed on the front surface of the A portion or the B portion of the FFC may also be used. It is called a second type of pad.
  • first type of spacer and the spacer disposed on the front surface of the A portion or the B portion of the FFC may also be used. It is called a second type of pad.
  • front and “back” refer only to two different faces of the FFC.
  • the terms “first”, “second”, “third”, “fourth” are merely used to distinguish different parts.
  • the first type of pad disposed on the first portion and the second type of pad disposed on the second portion may be connected in one-to-one correspondence, and the second type of pad disposed on the third portion is disposed in The first type of pads on the fourth portion can be connected one-to-one.
  • the corresponding connection may be a detachable conductive connection, and is insulated from the outside after the connection, for example, a conductive adhesive may be used to connect the corresponding two Pads.
  • Figures 5 and 6 show diagrams of example embodiments of A and B portions, respectively, configured as different complementary shapes.
  • the structure of the portion A is a convex zigzag shape and a concave zigzag shape
  • the structure of the portion B is correspondingly configured to be complementary to the structure of the portion A.
  • the number of protrusions and the number of recesses in the A portion can be arbitrarily set, and the sum of the two is the number of Pins of the FFC.
  • Figure 6 shows that the A portions of the FFC are all constructed as a convex structure, while the B portions are all configured as a corresponding concave structure.
  • the A portion and the B portion are designed in a zigzag shape for connection, but the inventive concept is not limited thereto, and according to an exemplary embodiment of the present invention, the A portion and the B portion may be designed to be any complementary and easy to disassemble the connection.
  • Various structures, for example, part A and part B may also be complementary pin structures.
  • a complementary structure similar to the exemplary embodiment can prevent the A portion and the B portion from being broken during use to cause interruption of information transmission.
  • the detachable connection enhances the versatility, reusability and repairability of the FFC.

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  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

一种柔性扁平电缆,包括第一柔性扁平电缆(A)和第二柔性扁平电缆(B);第一柔性扁平电缆的一侧与第一端子(1)连接;第一柔性扁平电缆的另一侧设置有多个第一衬垫(FFC Pad 1-1,……,FFC Pad 1-6);第二柔性扁平电缆的一侧与第二端子(2)连接;第二柔性扁平电缆的另一侧设置有与多个第一衬垫一一对应地连接的多个第二衬垫(FFC Pad 2-1,……,FFC Pad 2-6)。该柔性扁平电缆能够增强柔性扁平电缆的通用性、复用性和可修复性。

Description

一种柔性扁平电缆 技术领域
本发明涉及数据传输线缆的技术领域,更具体地,涉及一种柔性扁平电缆。
背景技术
FFC(Flexible Flat Cable,柔性扁平电缆)由于其具有任意选择导线数目及间距、连接方便性、成本低等优点,而广泛用于各种硬件装置之间以及移动装置与主板之间、印刷电路板(PCB)与PCB板之间的连接,以进行各种数据和信号的传输。
TFT-LCD(Thin Film Transistor Liquid Crystal Display,薄膜晶体管液晶显示器)是目前平板显示的主要产品之一,已成为了现代信息技术(IT)、视讯产品中的重要显示平台。TFT-LCD的主要驱动过程是:R/G/B压缩信号、控制信号及电力从系统主板发送到C-Board(Control Board,控制板),并且使用C-board上的TCON(Timing Controller,时序控制器)芯片对其进行处理,通过FFC传输至PCB1和PCB2,经过再次相关处理后,通过S-COF(Source-Chip on Film,源极驱动芯片)和G-COF(Gate-Chip on Film,栅极驱动芯片)发送到显示区域,从而使LCD获得所需的电源和各种信号。在TFT-LCD的驱动过程中,通过在电源和各种信号的传输中采用FFC来实现薄型化、高可靠性以及方便性连接。
图1示出传统的FFC结构图。传统的FFC包括基材以及位于基材两侧的端子1和端子2。在不导电的基材中包括多根导电金属线。导电金属线的两端的接脚(Pin)与端子1和端子2相应地连接。端子1和端子2分别与两个连接器(Connector)连接,以实现两个连接器所连接到的硬件(例如,两个PCB板)之间的信号、数据等的传输。
其中,端子1和端子2的形状必须与相应的连接器的结构匹配,无论端子1和端子2的哪一个与相应的连接器的结构不匹配时,均需要更换整个FFC。 另一方面,端子在与连接器连接时通常需要依靠外力或硬力,通过卡合,来进行机构连接,如此多次使用后,对于端子的磨损较大,容易损坏,即使只有一个端子损坏,也需要更换整个FFC,造成FFC的浪费。
发明内容
针对上述提出的传统柔性扁平电缆在使用过程中的缺陷,本发明提供一种柔性扁平电缆,包括:第一柔性扁平电缆和第二柔性扁平电缆,其中:第一柔性扁平电缆的一侧与第一端子连接;第一柔性扁平电缆的另一侧设置有多个第一衬垫;第二柔性扁平电缆的一侧与第二端子连接;第二柔性扁平电缆的另一侧设置有与所述多个第一衬垫一一对应地连接的多个第二衬垫。
第一柔性扁平电缆可包括用于布置所述多个第一衬垫中的第一类型衬垫的第一部分,第二柔性扁平电缆可包括用于布置所述多个第二衬垫中的第二类型衬垫的第二部分,第一部分的形状和第二部分的形状互补。
第一柔性扁平电缆的所述另一侧和第二柔性扁平电缆的所述另一侧均呈锯齿形状,第一柔性扁平电缆的所述另一侧的形状和第二柔性扁平电缆的所述另一侧的形状互补;第一部分是锯齿形状的凸出部分,第二部分是锯齿形状的凹入部分。
第一柔性扁平电缆可包括用于布置所述多个第一衬垫中的第二类型衬垫的第三部分,第二柔性扁平电缆可包括用于布置所述多个第二衬垫中的第一类型衬垫的第四部分,第三部分的形状和第四部分的形状互补。
第一柔性扁平电缆的所述另一侧和第二柔性扁平电缆的所述另一侧均呈锯齿形状,第一柔性扁平电缆的所述另一侧的形状和第二柔性扁平电缆的所述另一侧的形状互补;第三部分是锯齿形状的凹入部分,第四部分是锯齿形状的凸出部分。
第一类型衬垫可以是被布置在所述柔性扁平电缆的背面上的衬垫,第二类型衬垫可以是被布置在所述柔性扁平电缆的正面上的衬垫。
第一柔性扁平电缆可包括多条第一导线,每条第一导线连接到一个第一衬垫;第二柔性扁平电缆可包括多条第二导线,每条第二导线连接到一个第二衬 垫。
第一衬垫与第二衬垫之间的连接是可拆卸的连接。可选地,第一衬垫和第二衬垫可通过导电胶连接。
根据本发明的示例实施例的柔性扁平电缆仅需要根据连接器的结构和端子的损坏情况来适应性地更换第一柔性扁平电缆和/或第二柔性扁平电缆,而不是更换整个柔性扁平电缆,从而增强柔性扁平电缆的通用性、复用性和可修复性。
附图说明
通过参照附图详细地描述示例实施例,示例实施例的以上以及其他特征和优点将会变得更加清楚。贯穿附图相同的参考标号表示相同的结构和元件,并且附图可不按比例绘制,其中:
图1示出传统的FFC结构图;
图2示出根据实施例的FFC结构的整体示图;
图3A示出根据实施例的FFC结构的A部分的俯视图;
图3B示出根据实施例的FFC结构的B部分的俯视图;
图4A示出根据实施例的FFC结构的A部分的底视图;
图4B示出根据实施例的FFC结构的B部分的底视图;
图5示出根据另一实施例的FFC结构的A部分和B部分的俯视图;
图6示出根据另一实施例的FFC结构的A部分和B部分的俯视图。
具体实施方式
在此公开本发明构思的详细的示例实施例。然而,为了描述示例实施例的目的,在此公开的特定结构和功能的细节仅是代表性的。然而,可以以许多替换形式来实现示例实施例,并且示例实施例不应被解释为仅限于在此阐述的实施例。
针对如图1所述的传统FFC结构的使用缺陷,本发明涉及一种能够提高FFC的通用性和复用性的FFC。
图2示出本发明的FFC结构的整体示图。如图2所示,本发明的FFC包括第一柔性扁平电缆(以下称为A部分)和第二柔性扁平电缆(以下称为B部分)。A部分的一侧与第一端子连接,另一侧设置有多个第一衬垫。B部分的一侧与第二端子连接,另一侧设置有与多个第一衬垫一一对应地连接的多个第二衬垫。下面将参照图3A至图4B来详细地描述A部分和B部分。
图3A和图4A分别示出本发明的FFC结构的A部分的俯视图和底视图。参照图3A和图4A,FFC的A部分被构造为锯齿形状,在锯齿形状的凸出部分和凹入部分上分别布置有第一衬垫(Pad)。在A部分中,锯齿形状的凸出部分可被称为第一部分,锯齿形状的凹入部分可被称为第三部分。各个第一衬垫可以是与基材内部的导电金属线相连的导电贴片。
如果以6Pin的FFC(即,FFC的Pin的数目是6)为例,则FFC的A部分包括6个第一衬垫:FFC Pad1-1至FFC Pad1-6。在该示例中,FFC Pad1-1可位于第一部分(锯齿形状的凸出部分)的背面,FFC Pad1-2可位于第三部分(锯齿形状的凹入部分)的正面,如此交错设置FFC Pad1-3至FFC Pad1-6。
图3B和图4B分别示出与上述的FFC的A部分成互补结构的B部分的俯视图和底视图。参照图3B和图4B,B部分被构造为与A部分互补的锯齿形状,在互补的锯齿形状的凸出部分和凹入部分上分别布置有第二衬垫。在B部分中,锯齿形状的凹入部分可被称为第二部分,锯齿形状的凸出部分可被称为第四部分。与A部分相对应地,B部分包括6个第二衬垫。当如图2所示,A部分的FFC Pad1-1位于第一部分(锯齿形状的凸出部分)的背面时,B部分的6个第二衬垫中的FFC Pad2-6设置在第二部分(锯齿形状的凹入部分)的正面,从而B部分的FFC Pad2-6和A部分的FFC Pad1-1能够有效连接。当如图2所示,A部分的FFC Pad1-2可位于第三部分(锯齿形状的凹入部分)的正面时,B部分的FFC Pad2-5设置在第四部分(锯齿形状的凸出部分)的背面,从而B部分的FFC Pad2-5和A部分的FFC Pad1-2能够有效连接。按照这样的方法,依次分别连接A部分的FFC Pad1-3至FFC Pad1-6和B部分的FFC Pad2-4至FFC Pad2-1。
此外,为了描述的简洁,布置在FFC的A部分或B部分的背面上的衬垫也可被称为第一类型衬垫,布置在FFC的A部分或B部分的正面上的衬垫也可被称为第二类型衬垫。在此,术语“正面”和“背面”仅指示FFC的两个不同的面。术语“第一”、“第二”、“第三”、“第四”仅为了区分不同的部分。
根据示例实施例,布置在第一部分上的第一类型衬垫与布置在第二部分上的第二类型衬垫可一一对应连接,布置在第三部分上的第二类型衬垫与布置在第四部分上的第一类型衬垫可一一对应连接。所述对应连接可以是可拆卸的导电连接,并且连接后与外部绝缘,例如,可采用导电胶来连接对应的两个Pad。
图5和图6分别示出被构造为不同的互补形状的A部分和B部分的示例实施例的示图。
如图5所示,A部分的结构为凸出的锯齿形状和凹入的锯齿形状,B部分的结构相应地构造为与A部分的结构互补。其中,A部分中的凸出的数目与凹入的数目可任意设置,并且二者之和为FFC的Pin数。
图6示出FFC的A部分全部构造为凸出的结构,而B部分全部构造为相应的凹入的结构。
上述示例示出A部分和B部分被设计为锯齿形状来进行连接,然而本发明构思不限于此,根据本发明的示例实施例,A部分和B部分可被设计为任意互补且便于拆卸连接的各种结构,例如,A部分和B部分还可以是互补的插针结构。类似于示例实施例的互补结构可以防止A部分和B部分在使用过程中断裂而导致信息传输中断。可拆卸的连接可增强FFC的通用性、复用性和可修复性。例如,在FFC的使用过程中,如果图3中的端子1损坏,则不需要对整根FFC进行替换,仅需要用新的A部分进行替换;如果发生FFC其中一端的端子与现有产品的连接器结构不匹配,仅需要替换掉其中一部分,而不需要将整个FFC重新设计。
以上已经描述了示例实施例,然而本发明构思的示例实施例不限于此。将显而易见的是可以以多种方式改变和实现示例实施例。这样的改变不被认为是脱离示例实施例的意图的精神和范围,并且将对本领域技术人员显而易见的是全部这样的修改意在被包括在以下的权利要求范围内。

Claims (13)

  1. 一种柔性扁平电缆,包括:第一柔性扁平电缆和第二柔性扁平电缆,其中:
    第一柔性扁平电缆的一侧与第一端子连接;
    第一柔性扁平电缆的另一侧设置有多个第一衬垫;
    第二柔性扁平电缆的一侧与第二端子连接;
    第二柔性扁平电缆的另一侧设置有与所述多个第一衬垫一一对应地连接的多个第二衬垫。
  2. 如权利要求1所述的柔性扁平电缆,其中,第一柔性扁平电缆包括用于布置所述多个第一衬垫中的第一类型衬垫的第一部分,第二柔性扁平电缆包括用于布置所述多个第二衬垫中的第二类型衬垫的第二部分,第一部分的形状和第二部分的形状互补。
  3. 如权利要求2所述的柔性扁平电缆,其中,第一柔性扁平电缆的所述另一侧和第二柔性扁平电缆的所述另一侧均呈锯齿形状,第一柔性扁平电缆的所述另一侧的形状和第二柔性扁平电缆的所述另一侧的形状互补;第一部分是第一柔性扁平电缆的锯齿形状的凸出部分,第二部分是第二柔性扁平电缆的锯齿形状的凹入部分。
  4. 如权利要求1所述的柔性扁平电缆,其中,第一柔性扁平电缆包括用于布置所述多个第一衬垫中的第二类型衬垫的第三部分,第二柔性扁平电缆包括用于布置所述多个第二衬垫中的第一类型衬垫的第四部分,第三部分的形状和第四部分的形状互补。
  5. 如权利要求2所述的柔性扁平电缆,其中,第一柔性扁平电缆包括用于布置所述多个第一衬垫中的第二类型衬垫的第三部分,第二柔性扁平电缆包括用于布置所述多个第二衬垫中的第一类型衬垫的第四部分,第三部分的形状和第四部分的形状互补。
  6. 如权利要求4所述的柔性扁平电缆,其中,第一柔性扁平电缆的所述另一侧和第二柔性扁平电缆的所述另一侧均呈锯齿形状,第一柔性扁平电缆的所述另一侧的形状和第二柔性扁平电缆的所述另一侧的形状互补;第三部分是第一柔性扁平电缆的锯齿形状的凹入部分,第四部分是第二柔性扁平电缆的锯齿形状的凸出部分。
  7. 如权利要求5所述的柔性扁平电缆,其中,第一柔性扁平电缆的所述另一侧和第二柔性扁平电缆的所述另一侧均呈锯齿形状,第一柔性扁平电缆的所述另一侧的形状和第二柔性扁平电缆的所述另一侧的形状互补;第三部分是第一柔性扁平电缆的锯齿形状的凹入部分,第四部分是第二柔性扁平电缆的锯齿形状的凸出部分。
  8. 如权利要求4所述的柔性扁平电缆,其中,第一类型衬垫是被布置在所述柔性扁平电缆的背面上的衬垫,第二类型衬垫是被布置在所述柔性扁平电缆的正面上的衬垫。
  9. 如权利要求5所述的柔性扁平电缆,其中,第一类型衬垫是被布置在所述柔性扁平电缆的背面上的衬垫,第二类型衬垫是被布置在所述柔性扁平电缆的正面上的衬垫。
  10. 如权利要求1所述的柔性扁平电缆,其中,第一柔性扁平电缆包括多条第一导线,每条第一导线连接到一个第一衬垫;第二柔性扁平电缆包括多条第二导线,每条第二导线连接到一个第二衬垫。
  11. 如权利要求1所述的柔性扁平电缆,其中,第一衬垫与第二衬垫之间的连接是可拆卸的连接。
  12. 如权利要求8所述的柔性扁平电缆,其中,第一衬垫和第二衬垫通过导电胶连接。
  13. 如权利要求9所述的柔性扁平电缆,其中,第一衬垫和第二衬垫通过导电胶连接。
PCT/CN2016/090615 2016-06-08 2016-07-20 一种柔性扁平电缆 WO2017210965A1 (zh)

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