WO2021232438A1 - 显示装置 - Google Patents

显示装置 Download PDF

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Publication number
WO2021232438A1
WO2021232438A1 PCT/CN2020/091928 CN2020091928W WO2021232438A1 WO 2021232438 A1 WO2021232438 A1 WO 2021232438A1 CN 2020091928 W CN2020091928 W CN 2020091928W WO 2021232438 A1 WO2021232438 A1 WO 2021232438A1
Authority
WO
WIPO (PCT)
Prior art keywords
binding
long side
circuit board
flexible circuit
extension
Prior art date
Application number
PCT/CN2020/091928
Other languages
English (en)
French (fr)
Inventor
王康
张家祥
刘晓霞
杨俊辉
谢扶政
郝晓东
杨皓天
周洋
Original Assignee
京东方科技集团股份有限公司
成都京东方光电科技有限公司
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 京东方科技集团股份有限公司, 成都京东方光电科技有限公司 filed Critical 京东方科技集团股份有限公司
Priority to JP2021564594A priority Critical patent/JP7518095B2/ja
Priority to CN202080000798.3A priority patent/CN113973505B/zh
Priority to US17/270,503 priority patent/US11612060B2/en
Priority to EP20900679.0A priority patent/EP3996073A4/en
Priority to PCT/CN2020/091928 priority patent/WO2021232438A1/zh
Publication of WO2021232438A1 publication Critical patent/WO2021232438A1/zh

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Classifications

    • 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
    • H05K1/18—Printed circuits structurally associated with non-printed electric components
    • H05K1/189—Printed circuits structurally associated with non-printed electric components characterised by the use of a flexible or folded printed circuit
    • 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
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/0026—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units
    • H05K5/0069—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units having connector relating features for connecting the connector pins with the PCB or for mounting the connector body with the housing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
    • 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
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/05—Flexible printed circuits [FPCs]
    • H05K2201/055—Folded back on itself
    • 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
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10007—Types of components
    • H05K2201/10106—Light emitting diode [LED]
    • 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
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10007—Types of components
    • H05K2201/10128—Display
    • 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
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10007—Types of components
    • H05K2201/10189—Non-printed connector

Definitions

  • This application relates to the field of display technology, and in particular to a display device.
  • the present application discloses a display device, which aims to provide an improved solution for a display product in which an FPC is bound to the long side of the module, and to improve the yield rate of the display product.
  • a display device includes:
  • a display module having a module body and a first binding part located on one side of the first long side of the module body, the first binding part being configured to be bent to the back of the module body;
  • the first flexible circuit board is located on the back of the module body, the first flexible circuit board has a second binding portion, and the second binding portion is fixedly connected to the first binding portion of the display module
  • the length of the second binding portion along the extending direction of the first long side is substantially the same as the length of the first binding portion along the extending direction of the first long side.
  • the distance between the edge of the end of the second binding portion and the edge of the corresponding end of the first binding portion is less than or equal to 4.5 mm.
  • the edge of the end of the first binding portion is aligned with the edge of the corresponding end of the second binding portion, or the first binding portion The end edge of is beyond the corresponding end edge of the second binding part.
  • first binding part and the second binding part overlap;
  • the overlapped portion of the first binding portion and the second binding portion includes an extension area at both ends and a binding area in the middle.
  • the zone is provided with connection terminals; the first binding part and the second binding part are bound and connected in the binding zone.
  • the display device further includes:
  • the conductive adhesive layer is located between the second binding portion and the first binding portion, and is configured to bond the overlapped portion of the first binding portion and the second binding portion.
  • the module body has a functional hole, and the functional hole is close to the first end of the first long side;
  • the end edge of the first binding portion close to the first end of the first long side is configured to avoid the wedge-shaped edge of the functional hole.
  • the distance between the wedge-shaped edge and the functional hole is greater than or equal to 1 mm.
  • the display device further includes:
  • the second flexible circuit board is bound and connected to the edge of the second long side of the module body and is configured to be bent to the back of the module body; the second long side of the module body and the first One long side is set relative to each other;
  • the second flexible circuit board includes a first connection portion, and the first connection portion is plugged into the first flexible circuit board through a connector.
  • the second flexible circuit board further includes a device part
  • the second flexible circuit board is provided with a slot between the device portion and the first connection portion, and the slot is configured to separate the device portion from the first connection portion.
  • the device part has an integrated circuit chip.
  • the first flexible circuit board is L-shaped or T-shaped, and has a first extension portion and a second extension portion; the first extension portion extends along the first long side of the module body and is connected to the The first binding portion is connected; one end of the second extension portion is connected to the first extension portion, and the other end extends in a direction away from the first extension portion;
  • the second flexible circuit board is located between the first extension portion and the second extension portion, and the device portion and the first connection portion are arranged and adjacent to each other along the extension direction of the second long side, so The first connecting portion is inserted into the first extension portion; the slot is a U-shaped through slot with an opening facing away from the second long side.
  • the first flexible circuit board is a main control flexible circuit board; the second flexible circuit board is a touch flexible circuit board.
  • the first flexible circuit board is L-shaped or T-shaped, and has a first extension portion and a second extension portion; the first extension portion extends along the first long side of the module body and is connected to the The first binding portion is connected; one end of the second extension portion is connected to the first extension portion, and the other end extends in a direction away from the first extension portion;
  • the end of the second extension part away from the first extension part is configured as a second connection part, and the second connection part extends beyond the second long side of the module body and is used for electrical connection with a test fixture;
  • the second long side of the module body is opposite to the first long side.
  • a display device includes:
  • a display module having a module body and a first binding part located on one side of the first long side of the module body, the first binding part being configured to be bent to the back of the module body;
  • the module body has a functional hole, and the functional hole is close to the first end of the first long side;
  • the end edge of the first binding portion close to the first end of the first long side is configured to avoid the wedge-shaped edge of the functional hole.
  • a display device includes:
  • a display module having a module body and a first binding part located on one side of the first long side of the module body, the first binding part being configured to be bent to the back of the module body;
  • the first flexible circuit board is located on the back of the module body, the first flexible circuit board has a second binding portion, and the second binding portion is fixedly connected to the first binding portion of the display module ;
  • the second flexible circuit board is bound and connected to the edge of the second long side of the module body and is configured to be bent to the back of the module body; the second long side of the module body and the first One long side is set relative to each other;
  • the second flexible circuit board includes a first connecting portion and a device portion.
  • the first connecting portion is plugged into the first flexible circuit board through a connector; the second flexible circuit board is connected to the device portion and the device portion.
  • a slot is provided between the first connecting parts, and the slot is configured to separate the device part from the first connecting part.
  • FIG. 1 is a schematic structural diagram of a display device before the binding part is not bent according to an embodiment of the application;
  • FIG. 2 is a schematic structural diagram of a display module in a display device provided by an embodiment of the application.
  • FIG. 3 is a schematic structural diagram of a display device after the binding part is bent according to an embodiment of the application.
  • an embodiment of the present application provides a display device, including:
  • the display module 1 has a module body 11 and a first binding portion 12 located on one side of the first long side of the module body 11.
  • the first binding portion 12 is configured to be bent to the mold The back of the group body 11;
  • the first flexible circuit board 2 is located on the back of the module body 11, the first flexible circuit board 2 has a second binding portion 21, and the second binding portion 21 is connected to the second binding portion of the display module 1.
  • a binding portion 12 is fixedly connected; the length of the second binding portion 21 along the extending direction of the first long side is substantially the same as the length of the first binding portion 12 along the extending direction of the first long side.
  • the conventional display module is rectangular, and its module body has two opposite long sides and two opposite short sides.
  • the first long side that is, the module body, is used to bind one long side of the first flexible circuit board.
  • the first binding portion located on the side of the first long side of the module body extends along the first long side and has a relatively large length.
  • the conventional flexible circuit board is used for binding of the binding connection.
  • the length of the part is relatively small, generally equivalent to the length of the binding area provided with the connecting terminal in the middle of the first binding part, and the binding part of the flexible circuit board is only bound and connected with the binding area of the first binding part, and then In the process of bending the first binding portion, the entire first binding portion is very likely to warp on both sides due to uneven force, or the bending quality is not high, and the deviation occurs.
  • the first flexible circuit board 2 connected to the display module 1 is redesigned so that the second binding portion 21 of the first flexible circuit board 2 is along the first
  • the length in the longitudinal direction matches the length of the first binding portion 12 of the display module 1, and the second binding portion 21 is fixedly connected to the first binding portion 12 of the display module 1, thereby increasing the first
  • the force-receiving area during the bending process of the binding part 12 enables the first binding part 12 to be stressed during the bending process, so that the first flexible circuit board 2 can directly drive the first part of the display module 1
  • the binding portion 12 is bent so that the display module 1 does not need to be directly subjected to force during the bending process, which effectively avoids the problem that the first binding portion 12 of the display module 1 is directly subjected to force or cannot be subjected to force during the bending process. Therefore, it is possible to effectively improve the high occurrence of defects such as bending deviation and warping of the binding portion of the display module 1.
  • the end edge of the second binding portion 21 is different from the corresponding end edge of the first binding portion 12
  • the distance d between them is less than or equal to 4.5 mm.
  • the length of the second binding portion 21 is approximately the same as the length of the first binding portion 12, "substantially the same", that is, a certain error value is allowed, specifically including the length of both There are two cases of being completely equal and having a smaller difference between the two lengths. Specifically, in this embodiment, the distance between the edges at both ends of the first binding portion 12 and the second binding portion 21 is not greater than 4.5 mm, then the length difference between the first binding portion 12 and the second binding portion 21 is It is not greater than 9 mm, that is, the length difference between the first binding portion 12 and the second binding portion 21 ranges from 0 to 9 mm.
  • the end edge of the first binding portion 12 is aligned with the corresponding end edge of the second binding portion 21 , Or the end edge of the first binding portion 12 exceeds the corresponding end edge of the second binding portion 21.
  • the ‘corresponding end edge’ is the end edge located at the same end.
  • the end edge of the first binding portion 12 is aligned with the corresponding end edge of the second binding portion 21, that is, the edges of the first binding portion 12 and the second binding portion 21 at the same end are aligned; In the same way, the end edge of the first binding portion 12 exceeds the corresponding end edge of the second binding portion 21, that is, the edge of the first binding portion 12 and the second binding portion 21 at the same end is not Aligned, wherein the edge of the first binding part 12 exceeds the edge of the second binding part 21.
  • the arrangement of this embodiment makes the length of the first binding portion 12 greater than or equal to the second binding portion 21, and the end edge of the second binding portion 21 does not exceed the end edge of the first binding portion 12, so To avoid problems such as warping of the edge of the second binding portion 21 of the first flexible circuit board 2.
  • the first binding portion 12 and the second binding portion 21 overlap.
  • the overlapping portion of the first binding portion 12 and the second binding portion 21 includes an extension area 102 located at both ends and a binding area 101 located in the middle. , Only connecting terminals are provided in the binding area 101; the first binding portion 12 and the second binding portion 21 are bound and connected in the binding area 101.
  • the second binding portion 21 of the first flexible circuit board 2 has a relatively large length, which is equivalent to the length of the first binding portion 12, it is only provided with connection terminals in the middle area, and only the middle area is connected to the first binding portion.
  • the fixed portion 12 is electrically connected.
  • the display device further includes a conductive adhesive layer (not shown in the figure), and the conductive adhesive layer is located between the second binding portion 21 and the first binding portion 12. It is configured to bond the overlapping part of the first binding portion 12 and the second binding portion 21.
  • the conductive adhesive layer can ensure the yield rate of the electrical connection between the first binding portion 12 and the second binding portion 21 in the binding area 101, and can also make the first binding portion 12 and the second binding portion 21 effective
  • the extension areas 102 are fixed together, so that the first binding portion 12 can be bent by the second binding portion 21 of the first flexible circuit board 2, and the first binding portion 12 of the display module 1 does not need to be directly received.
  • both ends of the first binding portion 12 can also receive force, and the overall force is uniform, which can effectively avoid the high occurrence of undesirable phenomena such as bending deviation and warping of the first binding portion 12.
  • the module body 11 has a functional hole 110, and the functional hole 110 is close to the first end of the first long side.
  • the functional hole 110 may be a camera hole or a fingerprint recognition area opening, and is specifically configured to correspond to a functional module such as a camera or a fingerprint sensor.
  • the end edge 120 of the first binding portion 12 close to the first end of the first long side is configured to avoid the wedge-shaped edge of the functional hole.
  • the wedge-shaped edge specifically refers to a similarly inclined edge caused by missing corners, and the inclined edge may be straight or curved, mainly to avoid the position of the functional hole 110.
  • the end of the first binding portion 12 of the display module 1 close to the functional hole 110 may interfere with the functional module after the bending process, and the end of the first binding portion 12 close to the functional hole 110 is set in a wedge shape.
  • the edge avoids the functional hole 110, which can effectively avoid the risk of interference between the first binding portion 12 and the functional module.
  • the distance between the wedge-shaped edge and the functional hole 110 is greater than or equal to 1 mm.
  • the functional holes provided in the module body may not be arranged on the side of the first long side.
  • the functional holes may also be arranged close to the second long side opposite to the first long side.
  • the module body in the display device of the present application may not be provided with functional holes; these specific implementations all belong to the protection scope of the present application.
  • the display device further includes a second flexible circuit board 3.
  • the second flexible circuit board 3 is bound and connected to the edge of the second long side of the module body 11. It is configured to be bent to the back of the module body 11; the second long side of the module body 11 is opposite to the first long side.
  • the first flexible circuit board 2 is a main control flexible circuit board (MFPC); the second flexible circuit board 3 is a touch flexible circuit board (TFPC).
  • MFPC main control flexible circuit board
  • TFPC touch flexible circuit board
  • the display module 1 includes a driving substrate and an opposite substrate disposed oppositely, a first binding portion 12 is provided on the side of the driving substrate close to the first long side, and the first binding portion 12 is bent To the side of the driving substrate away from the counter substrate (the back side of the module body 11), the first flexible circuit board (MFPC) 2 is located on the side of the driving substrate away from the counter substrate and is bound and connected to the first binding portion 12;
  • the substrate is bonded to the driving substrate, the binding part of the second flexible circuit board (TFPC) 3 is bound and connected to the side edge of the opposite substrate close to the second long side, and the other parts of the second flexible circuit board 3 are bent To the side of the driving substrate away from the opposite substrate.
  • the second flexible circuit board 3 includes a first connecting portion 31, and the first connecting portion 31 is plugged into the first flexible circuit board 2 through a connector 4. That is, the second flexible circuit board 3 and the first flexible circuit board 2 are inserted through the connector 4 on the back of the module body 11.
  • the module body 11 has a square shape, the second long side of the module body 11 is opposite to the first long side, and the distance between the second long side and the first long side is compared with the two short sides of the module body 11.
  • the distance between the second flexible circuit board 3 is closer. Therefore, the first connecting portion 31 of the second flexible circuit board 3 can be plugged into the first flexible circuit board 2 through the connector 4, so as to realize the second flexible circuit board 3 and the first flexible circuit board. Electrical signal connection between flexible circuit boards 2.
  • the second connecting portion 22 can be plugged into the test fixture, reducing one plugging process, effectively reducing plugging time and improving test efficiency.
  • the second flexible circuit board 3 includes a device portion 32; the second flexible circuit board 3 is provided between the device portion 32 and the first connecting portion 31 A slot 30 is configured to separate the device portion 32 from the first connecting portion 31.
  • the device portion 32 is provided with components.
  • the device portion 32 has an integrated circuit chip.
  • the device portion 32 may also have other components such as capacitors.
  • the device portion 32 and the first connecting portion 31 of the second flexible circuit board 3 are located on the back of the module body 11, and the first connecting portion 31 is used for plugging with the first flexible circuit board 2.
  • the conventional plug-in process is generally operated manually with tweezers; because the current conventional flexible circuit boards are all integrated, the device part and the connection part are relatively close and connected, and the movable area and range of the connection part are small, so the general plug-in The operation is very inconvenient, and it is easy to cause the tweezers to scratch the components in the device part and the components on the device part to peel off.
  • a slot 30 is provided between the device portion 32 and the first connecting portion 31 of the second flexible circuit board 3, and the slot 30 separates the device portion 32 and the first connecting portion 31. Separating can improve the range and range of the insertion movement of the first connecting part 31.
  • the device part 32 can be first glued to the module body 11, and only the tweezers are used to operate the first connection part.
  • a connecting portion 31 Since the first connecting portion 31 and the device portion 32 are separated, the movement of the first connecting portion 31 will not involve the device portion 32, thereby effectively improving the insertion efficiency and avoiding the risk of components falling off and scratching .
  • the first flexible circuit board 2 is L-shaped or T-shaped, and has a first extension 201 and a second extension 202; the first extension 201 runs along the mold The first long side of the body 11 extends and is connected to the first binding portion 12; one end of the second extension portion 202 is connected to the first extension portion 201, and the other end is away from the first extension The direction of the portion 201 extends.
  • the “L-shaped or T-shaped” mentioned in this application mainly means that the first flexible circuit board 2 has two parts (a first extension 201 and a second extension 202) extending in two directions, respectively.
  • the extension direction of the two parts is approximately vertical, but the overall shape is not necessarily strictly'L-shaped or T-shaped'; specifically, for example, the specific width and length of the two parts are not limited, and each part is not necessarily linear. , It is not necessarily a symmetrical figure; for example, the width of the first extension 201 and/or the second extension 202 in the extension direction may be uneven, or the first extension 201 and/or the second extension 202 may also Can be bent and extended.
  • the second flexible circuit board 3 is located between the first extension portion 201 and the second extension portion 202, that is, the second flexible circuit board 3 is located on the first extension portion 201 of the first flexible circuit board 2.
  • the area enclosed by the second extension portion 202; the device portion 32 of the second flexible circuit board 3 and the first connection portion 31 are arranged and adjacent to each other along the extending direction of the second long side, wherein the first connection portion 31 Is plugged into the first extension portion 201 of the first flexible circuit board 2; at this time, the slot 30 between the device portion 32 and the first connecting portion 31 of the second flexible circuit board 3 is an opening facing away from the second
  • the long-side U-shaped through slot in other words, the open end of the U-shaped through slot faces the first extension 201 of the first flexible circuit board 2, and the other end is not open to ensure that the second flexible circuit board 3 is still a continuous overall.
  • the first flexible circuit board 2 is L-shaped or T-shaped; one end of the second extension portion 202 of the first flexible circuit board 2 and the first extension portion 201 Connected, and the other end extends in a direction away from the first extension 201; and the end of the second extension 202 away from the first extension 201 is configured as a second connecting portion 22, the second The connecting portion 22 extends beyond the second long side of the module body 11 and is used for electrical connection (plug-in) with a test fixture.
  • the second connecting portion 22 extends beyond the second long side of the module body 11, which can facilitate the insertion operation with the test fixture, and effectively improve the efficiency of the insertion test.
  • the second connecting portion 22 can be bent to the back of the module body 11, so that all parts of the first flexible circuit board 2 are located on the back of the module body 11 without affecting The whole machine assembly and product shape.
  • the present application also provides a display device, which includes:
  • the display module 1 has a module body 11 and a first binding portion 12 located on one side of the first long side of the module body 11.
  • the first binding portion 12 is configured to be bent to the mold The back of the group body 11;
  • the module body 11 has a functional hole 110, and the functional hole 110 is close to the first end of the first long side;
  • the end edge 120 of the first binding portion 12 close to the first end of the first long side is configured to avoid the wedge-shaped edge of the functional hole.
  • the present application also provides a display device, which includes:
  • the display module 1 has a module body 11 and a first binding portion 12 located on one side of the first long side of the module body 11.
  • the first binding portion 12 is configured to be bent to the mold The back of the group body 11;
  • the first flexible circuit board 2 is located on the back of the module body 11, the first flexible circuit board 2 has a second binding portion 21, and the second binding portion 21 is connected to the second binding portion of the display module 1.
  • a binding part 12 is fixedly connected;
  • the second flexible circuit board 3 is bound and connected to the edge of the second long side of the module body 11, and is configured to be bent to the back of the module body 11;
  • the long side is arranged opposite to the first long side;
  • the second flexible circuit board 3 includes a first connecting portion 31 and a device portion 32.
  • the first connecting portion 31 is plugged into the first flexible circuit board 2 through a connector 4; the second flexible circuit board 3
  • a slot 30 is provided between the device portion 32 and the first connecting portion 31, and the slot 30 is configured to separate the device portion 32 from the first connecting portion 31.
  • the display device provided in this application may be an AMOLED display device.
  • the display device provided in this application can be applied to display devices such as tablet computers and mobile phones.
  • the display device may further include other structures, which may be determined according to actual requirements, and the embodiments of the present disclosure do not limit this.
  • the size and shape of each structure provided by the embodiments of the present disclosure are not limited to the above-mentioned embodiments, as long as the basic requirements of the structure are met during actual installation, and the details can be referred to the above description, which will not be repeated here.
  • the drawings of the present application are only schematic diagrams, and the sizes and proportions of the structures in the figures do not represent the actual size proportions of the structures.

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  • Microelectronics & Electronic Packaging (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
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Abstract

本申请涉及显示技术领域，公开一种显示装置，目的是提供一种在模组长边侧绑定FPC的显示产品改进方案，并提高显示产品良率。显示装置，包括：显示模组，具有模组本体和位于所述模组本体的第一长边一侧的第一绑定部，所述第一绑定部被配置为弯折至所述模组本体的背面；第一柔性线路板，位于所述模组本体的背面，所述第一柔性线路板具有第二绑定部，所述第二绑定部与所述显示模组的第一绑定部固定连接；所述第二绑定部沿所述第一长边延伸方向的长度与所述第一绑定部沿所述第一长边延伸方向的长度大致相同。

Description

显示装置 技术领域
本申请涉及显示技术领域，特别涉及一种显示装置。
背景技术
目前，AMOLED屏幕模组的窄边框逐渐成为主流，为应对极窄下边框的需求，目前提出一种在左右侧长边进行绑定连接(Bonding)和背板弯折(Pad Bending)的方案，随之也带来一些问题，例如，如何设计和布局显示模组长边侧与柔性连接板(FPC)，如何保证绑定连接和背板弯折良率等，若要使得新方案得以广泛采纳和应用，上述问题还需要逐步解决和改善。
发明内容
本申请公开了一种显示装置，目的是提供一种在模组长边侧绑定FPC的显示产品改进方案，并提高显示产品良率。
为达到上述目的，本申请提供以下技术方案：
一种显示装置，包括：
显示模组，具有模组本体和位于所述模组本体的第一长边一侧的第一绑定部，所述第一绑定部被配置为弯折至所述模组本体的背面；
第一柔性线路板，位于所述模组本体的背面，所述第一柔性线路板具有第二绑定部，所述第二绑定部与所述显示模组的第一绑定部固定连接；所述第二绑定部沿所述第一长边延伸方向的长度与所述第一绑定部沿所述第一长边延伸方向的长度大致相同。
可选的，沿所述第一长边延伸方向上，所述第二绑定部的端部边沿与所述第一绑定部的对应的端部边沿之间的间距小于或等于4.5mm。
可选的，沿所述第一长边延伸方向上，所述第一绑定部的端部边沿与所述第二绑定部的对应的端部边沿对齐，或者所述第一绑定部的端部边沿超出 所述第二绑定部的对应的端部边沿。
可选的，所述第一绑定部和所述第二绑定部交叠；
沿所述第一长边延伸方向上，所述第一绑定部和所述第二绑定部交叠的部分包括位于两端的延展区以及位于中间的绑定区，仅在所述绑定区设有连接端子；所述第一绑定部和所述第二绑定部在所述绑定区绑定连接。
可选的，所述显示装置还包括：
导电胶层，位于所述第二绑定部与所述第一绑定部之间，配置为将所述第一绑定部和所述第二绑定部交叠的部分粘接。
可选的，所述模组本体具有功能孔，所述功能孔靠近所述第一长边的第一端；
所述第一绑定部靠近所述第一长边的第一端的端部边缘被配置为避让所述功能孔的楔形边缘。
可选的，所述楔形边缘与所述功能孔之间的间距大于或等于1mm。
可选的，所述显示装置还包括：
第二柔性线路板，与所述模组本体的第二长边的边缘绑定连接，并被配置为弯折至所述模组本体的背面；所述模组本体的第二长边与第一长边相对设置；
所述第二柔性线路板包括第一连接部，所述第一连接部通过连接器与所述第一柔性线路板插接。
可选的，所述第二柔性线路板还包括器件部；
所述第二柔性线路板在所述器件部与所述第一连接部之间设有开槽，所述开槽被配置为将所述器件部与所述第一连接部分隔。
可选的，所述器件部具有集成电路芯片。
可选的，所述第一柔性线路板呈L型或T型，具有第一延伸部和第二延伸部；所述第一延伸部沿所述模组本体的第一长边延伸并与所述第一绑定部连接；所述第二延伸部的一端与所述第一延伸部连接，且另一端向远离所述第一延伸部的方向延伸；
所述第二柔性线路板位于所述第一延伸部和所述第二延伸部之间，所述器件部和所述第一连接部沿所述第二长边延伸方向排列并相邻，所述第一连接部与所述第一延伸部插接；所述开槽为开口背离所述第二长边的U形通槽。
可选的，所述第一柔性线路板为主控柔性线路板；所述第二柔性线路板为触控柔性线路板。
可选的，所述第一柔性线路板呈L型或T型，具有第一延伸部和第二延伸部；所述第一延伸部沿所述模组本体的第一长边延伸并与所述第一绑定部连接；所述第二延伸部的一端与所述第一延伸部连接，且另一端向远离所述第一延伸部的方向延伸；
所述第二延伸部远离所述第一延伸部的一端被配置为第二连接部，所述第二连接部超出所述模组本体的第二长边并用于与测试治具电连接；所述模组本体的第二长边与第一长边相对设置。
一种显示装置，包括：
显示模组，具有模组本体和位于所述模组本体的第一长边一侧的第一绑定部，所述第一绑定部被配置为弯折至所述模组本体的背面；
所述模组本体具有功能孔，所述功能孔靠近所述第一长边的第一端；
所述第一绑定部靠近所述第一长边的第一端的端部边缘被配置为避让所述功能孔的楔形边缘。
一种显示装置，包括：
显示模组，具有模组本体和位于所述模组本体的第一长边一侧的第一绑定部，所述第一绑定部被配置为弯折至所述模组本体的背面；
第一柔性线路板，位于所述模组本体的背面，所述第一柔性线路板具有第二绑定部，所述第二绑定部与所述显示模组的第一绑定部固定连接；
第二柔性线路板，与所述模组本体的第二长边的边缘绑定连接，并被配置为弯折至所述模组本体的背面；所述模组本体的第二长边与第一长边相对设置；
所述第二柔性线路板包括第一连接部和器件部，所述第一连接部通过连 接器与所述第一柔性线路板插接；所述第二柔性线路板在所述器件部与所述第一连接部之间设有开槽，所述开槽被配置为将所述器件部与所述第一连接部分隔。
附图说明
图1为本申请一实施例提供的一种显示装置在绑定部分未弯折前的结构示意图；
图2为本申请一实施例提供的一种显示装置中显示模组的结构示意图；
图3为本申请一实施例提供的一种显示装置在绑定部分弯折后的结构示意图。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
如图1至图3所示，本申请实施例提供了一种显示装置，包括：
显示模组1，具有模组本体11和位于所述模组本体11的第一长边一侧的第一绑定部12，所述第一绑定部12被配置为弯折至所述模组本体11的背面；
第一柔性线路板2，位于所述模组本体11的背面，所述第一柔性线路板2具有第二绑定部21，所述第二绑定部21与所述显示模组1的第一绑定部12固定连接；所述第二绑定部21沿所述第一长边延伸方向的长度与所述第一绑定部12沿所述第一长边延伸方向的长度大致相同。
具体的，常规的显示模组呈矩形，其模组本体具有相对的两个长边和相对的两个短边，为应对极窄下边框(短边边框)的需求，目前提出一种在长边进行绑定连接(Bonding)和背板弯折(Pad Bending)的方案；本申请中，第一长边即模组本体用于绑定第一柔性线路板的一个长边。
申请人发现，相关技术方案中，位于模组本体的第一长边一侧的第一绑定部沿第一长边延伸，长度较大，常规的柔性线路板用于绑定连接的绑定部长度较小，一般与第一绑定部中间部位设有连接端子的绑定区域的长度相当，且柔性线路板的绑定部仅与第一绑定部的绑定区域绑定连接，进而，在对第一绑定部进行弯折的工艺过程中，整个第一绑定部极易因为受力不均而导致两边翘曲、或者弯折质量不高出现偏移等不良。
本申请实施例中，如图1和图3所示，将与显示模组1连接的第一柔性线路板2重新进行设计，使得第一柔性线路板2的第二绑定部21沿第一长边方向的长度与显示模组1的第一绑定部12的长度匹配，且将第二绑定部21与显示模组1的第一绑定部12之间固定连接，从而增加第一绑定部12弯折过程中的受力区域，使得第一绑定部12在弯折过程中两端也能够受力，进而可以直接通过第一柔性线路板2带动显示模组1的第一绑定部12弯曲，使得显示模组1在弯曲工艺中不用直接受力，有效避免了显示模组1的第一绑定部12在弯折过程中两端直接受力或无法受力的问题，从而可以有效改善显示模组1的绑定部弯折偏移和翘曲等高发不良现象。
如图1所示，一些实施例中，沿所述第一长边延伸方向上，所述第二绑定部21的端部边沿与所述第一绑定部12的对应的端部边沿之间的间距d小于或等于4.5mm。
沿所述第一长边延伸方向，第二绑定部21的长度与所述第一绑定部12的长度大致相同，‘大致相同’，即允许具有一定的误差值，具体包括两者长度完全相等和两者长度具有一个较小的差值两种情况。具体的，本实施例中，第一绑定部12与第二绑定部21两端边缘的间距均不大于4.5mm，则第一绑定部12与第二绑定部21的长度差值不大于9mm，即第一绑定部12与第二绑定部21的长度差值范围为0-9mm。
如图1所示，一些实施例中，沿所述第一长边延伸方向上，所述第一绑定部12的端部边沿与所述第二绑定部21的对应的端部边沿对齐，或者所述第一绑定部12的端部边沿超出所述第二绑定部21的对应的端部边沿。
‘对应的端部边沿’，即位于同一端的端部边沿。第一绑定部12的端部边沿与所述第二绑定部21的对应的端部边缘对齐，即第一绑定部12与第二绑定部21两者位于同一端的边缘对齐设置；同理，第一绑定部12的端部边沿超出所述第二绑定部21的对应的端部边沿，即第一绑定部12与第二绑定部21两者位于同一端的边缘不是对齐的，其中第一绑定部12的边缘超过第二绑定部21的边缘。本实施例的设置，使得第一绑定部12的长度大于或等于第二绑定部21，第二绑定部21的端部边缘不会超出第一绑定部12的端部边缘，可以避免第一柔性线路板2的第二绑定部21端部边缘出现翘起等不良。
如图1所示，一些实施例中，所述第一绑定部12和所述第二绑定部21交叠。
具体的，沿所述第一长边延伸方向上，所述第一绑定部12和所述第二绑定部21交叠的部分包括位于两端的延展区102以及位于中间的绑定区101，仅在所述绑定区101设有连接端子；所述第一绑定部12和所述第二绑定部21在所述绑定区101绑定连接。
换句话说，第一柔性线路板2的第二绑定部21虽然长度较大，与第一绑定部12长度相当，但是其仅在中间区域设有连接端子，仅中间区域与第一绑定部12电连接。
如图1所示，一些实施例中，显示装置还包括导电胶层(图中未示出)，导电胶层位于所述第二绑定部21与所述第一绑定部12之间，配置为将所述第一绑定部12和所述第二绑定部21交叠的部分粘接。
具体的，导电胶层即可以保障第一绑定部12和第二绑定部21的绑定区101电连接的良率，又可以使得第一绑定部12和第二绑定部21的延展区102固定在一起，从而通过第一柔性线路板2的第二绑定部21的带动即可以使得第一绑定部12弯折，显示模组1的第一绑定部12不用直接受力，且在弯折过程中第一绑定部12两端也能够受力，整体受力均匀，可以有效避免第一绑定部12弯折偏移和翘曲等高发不良现象。
如图2和图3所示，一些实施例中，所述模组本体11具有功能孔110， 所述功能孔110靠近所述第一长边的第一端。
示例性的，所述功能孔110可以为摄像头孔，也可以为指纹识别区开口，具体被配置为对应设置摄像头或指纹传感器等功能模块。
示例性的，所述第一绑定部12靠近所述第一长边的第一端的端部边缘120被配置为避让所述功能孔的楔形边缘。具体的，楔形边缘具体指角部缺失导致的类似倾斜边，倾斜边可以为直线型，也可以呈弧型，主要以避开功能孔110位置即可。
具体的，显示模组1的第一绑定部12靠近功能孔110的一端在弯折工艺后会有与功能模块干涉的风险，将第一绑定部12靠近功能孔110的一端设置为楔形边缘以避让功能孔110，可以有效避免第一绑定部12与功能模块干涉的风险。
示例性的，所述楔形边缘与所述功能孔110之间的间距大于或等于1mm。
当然，本实施例仅是对于一种具体实施方式的举例说明。实际设置中，本申请的显示装置中，模组本体设有的功能孔也可以不设置在第一长边一侧，例如，功能孔也可以靠近与第一长边相对的第二长边设置；或者，本申请的显示装置中模组本体也可以不设有功能孔；这些具体实施方式均属于本申请的保护范围。
如图3所示，一些实施例中，所述显示装置还包括第二柔性线路板3，第二柔性线路板3与所述模组本体11的第二长边的边缘绑定连接，并被配置为弯折至所述模组本体11的背面；所述模组本体11的第二长边与第一长边相对设置。
具体的，所述第一柔性线路板2为主控柔性线路板(MFPC)；所述第二柔性线路板3为触控柔性线路板(TFPC)。
示例性的，所述显示模组1包括相对设置的驱动基板和对向基板，驱动基板靠近所述第一长边的一侧设有第一绑定部12，第一绑定部12弯折至驱动基板背离对向基板的一面(模组本体11的背面)，第一柔性线路板(MFPC)2位于驱动基板背离对向基板的一面且与第一绑定部12绑定连接；对向基板 与驱动基板贴合，第二柔性线路板(TFPC)3的绑定部分与对向基板靠近所述第二长边的一侧边缘绑定连接，第二柔性线路板3的其他部分弯折至驱动基板背离对向基板的一面。
示例性的，所述第二柔性线路板3包括第一连接部31，所述第一连接部31通过连接器4与所述第一柔性线路板2插接。即第二柔性线路板3与第一柔性线路板2在模组本体11的背面通过连接器4插接。
具体的，模组本体11呈方形，模组本体11的第二长边与第一长边相对，第二长边与第一长边之间的距离相较于模组本体11两个短边之间的距离更近，因此，第二柔性线路板3的第一连接部31可以通过连接器4与所述第一柔性线路板2进行插接，以实现第二柔性线路板3与第一柔性线路板2之间的电信号连接。进而，在对显示装置进行点亮测试时，不需要将第二柔性线路板3与第一柔性线路板2分别与测试治具(点灯JIG)压接，只需要将第一柔性线路板2的第二连接部22与测试治具插接即可，减少一个插接工序，可有效减少插接时间，提升测试效率。
如图3所示，一些实施例中，所述第二柔性线路板3包括器件部32；所述第二柔性线路板3在所述器件部32与所述第一连接部31之间设有开槽30，所述开槽30被配置为将所述器件部32与所述第一连接部31分隔。
具体的，所述器件部32设有元器件，示例性的，所述器件部32具有集成电路芯片，当然，器件部32也可以具有电容等其他元器件。
具体的，第二柔性线路板3的器件部32与第一连接部31位于模组本体11的背面，第一连接部31用于与第一柔性线路板2插接。
常规的插接过程一般是人工采用镊子进行操作；由于目前常规的柔性线路板均为一体设计，器件部与连接部比较靠近且连接紧密，连接部可活动区域和范围较小，所以一般插接操作很不方便，并且很容易导致镊子对器件部中元器件的划伤以及器件部上的元器件剥离。本申请中，如图3所示，第二柔性线路板3的器件部32与第一连接部31之间设有开槽30，该开槽30将器件部32与第一连接部31之间分开，可以改善第一连接部31的插接运动的幅 度和范围，这样，在人工用镊子进行插接操作时，可以先将器件部32粘接到模组本体11上，只用镊子操作第一连接部31，由于第一连接部31与器件部32被分隔，第一连接部31的运动不会牵连器件部32，从而可以有效提升插接效率，并且可以避免元器件脱落和划伤风险。
如图3所示，一些实施例中，所述第一柔性线路板2呈L型或T型，具有第一延伸部201和第二延伸部202；所述第一延伸部201沿所述模组本体11的第一长边延伸并与所述第一绑定部12连接；所述第二延伸部202的一端与所述第一延伸部201连接，且另一端向远离所述第一延伸部201的方向延伸。
需要说明的是，本申请中所述的‘L型或T型’主要是指第一柔性线路板2具有分别沿两方向延伸的两部分(第一延伸部201和第二延伸部202)，该两部分的延伸方向大致垂直，然而其整体形状并不一定严格呈‘L型或T型’；具体的，例如，两部分的具体宽度和长度均不限，每部分也不一定呈直线型，也不一定是对称图形；例如，第一延伸部201和/或第二延伸部202在延伸方向上的宽度可以不均匀一致，或者，第一延伸部201和/或第二延伸部202也可以呈弯折延伸。
具体的，所述第二柔性线路板3位于所述第一延伸部201和所述第二延伸部202之间，即第二柔性线路板3位于第一柔性线路板2的第一延伸部201和第二延伸部202所包围的区域内；第二柔性线路板3的器件部32和第一连接部31沿所述第二长边延伸方向排列并相邻，其中所述第一连接部31与所述第一柔性线路板2的第一延伸部201插接；此时，第二柔性线路板3的器件部32和第一连接部31之间的开槽30为开口背离所述第二长边的U形通槽，换句话说，U形通槽开通的一端朝向第一柔性线路板2的第一延伸部201，另一端未开通以保证第二柔性线路板3仍为一个连续的整体。
如图3所示，一些实施例中，所述第一柔性线路板2呈L型或T型；所述第一柔性线路板2的第二延伸部202的一端与所述第一延伸部201连接，且另一端向远离所述第一延伸部201的方向延伸；并且，所述第二延伸部202 远离所述第一延伸部201的一端被配置为第二连接部22，所述第二连接部22超出所述模组本体11的第二长边并用于与测试治具电连接(插接)。
具体的，第二连接部22延伸至超出所述模组本体11的第二长边，可以方便于与测试治具的插接操作，有效提高插接测试效率。另外，在进行整机组装时，可以将第二连接部22弯折至所述模组本体11的背面，以使得第一柔性线路板2各部分均位于模组本体11的背面，不会影响整机组装和产品的形状。
另外，如图2所示，本申请还提供一种显示装置，该显示装置包括：
显示模组1，具有模组本体11和位于所述模组本体11的第一长边一侧的第一绑定部12，所述第一绑定部12被配置为弯折至所述模组本体11的背面；
所述模组本体11具有功能孔110，所述功能孔110靠近所述第一长边的第一端；
所述第一绑定部12靠近所述第一长边的第一端的端部边缘120被配置为避让所述功能孔的楔形边缘。
具体的，本申请实施例提供的显示模组的具体实施例可以参考前述实施例中显示模组的实施例，此处不再赘述。
另外，如图3所示，本申请还提供一种显示装置，该显示装置包括：
显示模组1，具有模组本体11和位于所述模组本体11的第一长边一侧的第一绑定部12，所述第一绑定部12被配置为弯折至所述模组本体11的背面；
第一柔性线路板2，位于所述模组本体11的背面，所述第一柔性线路板2具有第二绑定部21，所述第二绑定部21与所述显示模组1的第一绑定部12固定连接；
第二柔性线路板3，与所述模组本体11的第二长边的边缘绑定连接，并被配置为弯折至所述模组本体11的背面；所述模组本体11的第二长边与第一长边相对设置；
所述第二柔性线路板3包括第一连接部31和器件部32，所述第一连接部31通过连接器4与所述第一柔性线路板2插接；所述第二柔性线路板3在所 述器件部32与所述第一连接部31之间设有开槽30，所述开槽30被配置为将所述器件部32与所述第一连接部31分隔。
具体的，本申请实施例提供的显示模组的具体实施例可以参考前述实施例中显示模组的实施例，此处不再赘述。
具体的，本申请所提供的显示装置可以为AMOLED显示装置。
具体的，本申请所提供的显示装置可以应用于平板电脑、手机等显示设备。
需要说明的是，本公开的一些实施例中，显示装置还可以包括其他的结构，这可以根据实际需求而定，本公开的实施例对此不作限制。另外，关于本公开实施例提供的各结构的尺寸和形状并不限于上述实施例，实际设置时只要满足该结构的基本要求即可，具体可以参考上文中的描述，此处不再赘述。再者，本申请附图只是示意图，图中各部分结构的尺寸和比例并不代表各结构的实际尺寸比例。
尽管已描述了本申请的优选实施例，但本领域内的技术人员一旦得知了基本创造性概念，则可对这些实施例作出另外的变更和修改。所以，所附权利要求意欲解释为包括优选实施例以及落入本申请范围的所有变更和修改。
显然，本领域的技术人员可以对本申请实施例进行各种改动和变型而不脱离本申请实施例的精神和范围。这样，倘若本申请实施例的这些修改和变型属于本申请权利要求及其等同技术的范围之内，则本申请也意图包含这些改动和变型在内。

Claims (13)

  1. 一种显示装置，其中，包括：
    显示模组，具有模组本体和位于所述模组本体的第一长边一侧的第一绑定部，所述第一绑定部被配置为弯折至所述模组本体的背面；
    第一柔性线路板，位于所述模组本体的背面，所述第一柔性线路板具有第二绑定部，所述第二绑定部与所述显示模组的第一绑定部固定连接；所述第二绑定部沿所述第一长边延伸方向的长度与所述第一绑定部沿所述第一长边延伸方向的长度大致相同。
  2. 如权利要求1所述的显示装置，其中，沿所述第一长边延伸方向上，所述第二绑定部的端部边沿与所述第一绑定部的对应的端部边沿之间的间距小于或等于4.5mm。
  3. 如权利要求2所述的显示装置，其中，沿所述第一长边延伸方向上，所述第一绑定部的端部边沿与所述第二绑定部的对应的端部边沿对齐，或者所述第一绑定部的端部边沿超出所述第二绑定部的对应的端部边沿。
  4. 如权利要求1所述的显示装置，其中，所述第一绑定部和所述第二绑定部交叠；
    沿所述第一长边延伸方向上，所述第一绑定部和所述第二绑定部交叠的部分包括位于两端的延展区以及位于中间的绑定区，仅在所述绑定区设有连接端子；所述第一绑定部和所述第二绑定部在所述绑定区绑定连接。
  5. 如权利要求4所述的显示装置，其中，还包括：
    导电胶层，位于所述第二绑定部与所述第一绑定部之间，配置为将所述第一绑定部和所述第二绑定部交叠的部分粘接。
  6. 如权利要求1所述的显示装置，其中，所述模组本体具有功能孔，所述功能孔靠近所述第一长边的第一端；
    所述第一绑定部靠近所述第一长边的第一端的端部边缘被配置为避让所述功能孔的楔形边缘。
  7. 如权利要求6所述的显示装置，其中，所述楔形边缘与所述功能孔之间的间距大于或等于1mm。
  8. 如权利要求1所述的显示装置，其中，还包括：
    第二柔性线路板，与所述模组本体的第二长边的边缘绑定连接，并被配置为弯折至所述模组本体的背面；所述模组本体的第二长边与第一长边相对设置；
    所述第二柔性线路板包括第一连接部，所述第一连接部通过连接器与所述第一柔性线路板插接。
  9. 如权利要求8所述的显示装置，其中，所述第二柔性线路板还包括器件部；
    所述第二柔性线路板在所述器件部与所述第一连接部之间设有开槽，所述开槽被配置为将所述器件部与所述第一连接部分隔。
  10. 如权利要求9所述的显示装置，其中，所述器件部具有集成电路芯片。
  11. 如权利要求9所述的显示装置，其中，所述第一柔性线路板呈L型或T型，具有第一延伸部和第二延伸部；所述第一延伸部沿所述模组本体的第一长边延伸并与所述第一绑定部连接；所述第二延伸部的一端与所述第一延伸部连接，且另一端向远离所述第一延伸部的方向延伸；
    所述第二柔性线路板位于所述第一延伸部和所述第二延伸部之间，所述器件部和所述第一连接部沿所述第二长边延伸方向排列并相邻，所述第一连接部与所述第一延伸部插接；所述开槽为开口背离所述第二长边的U形通槽。
  12. 如权利要求8所述的显示装置，其中，所述第一柔性线路板为主控柔性线路板；所述第二柔性线路板为触控柔性线路板。
  13. 如权利要求1-12任一项所述的显示装置，其中，所述第一柔性线路板呈L型或T型，具有第一延伸部和第二延伸部；所述第一延伸部沿所述模组本体的第一长边延伸并与所述第一绑定部连接；所述第二延伸部的一端与所述第一延伸部连接，且另一端向远离所述第一延伸部的方向延伸；
    所述第二延伸部远离所述第一延伸部的一端被配置为第二连接部，所述第二连接部超出所述模组本体的第二长边并用于与测试治具电连接；所述模组本体的第二长边与第一长边相对设置。
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