WO2019119574A1 - 平板显示装置结构 - Google Patents

平板显示装置结构 Download PDF

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Publication number
WO2019119574A1
WO2019119574A1 PCT/CN2018/072506 CN2018072506W WO2019119574A1 WO 2019119574 A1 WO2019119574 A1 WO 2019119574A1 CN 2018072506 W CN2018072506 W CN 2018072506W WO 2019119574 A1 WO2019119574 A1 WO 2019119574A1
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WO
WIPO (PCT)
Prior art keywords
metal joint
lateral
joint surface
metal
wiring substrate
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2018/072506
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English (en)
French (fr)
Inventor
颜伟男
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
Original Assignee
Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
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Application filed by Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd filed Critical Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
Priority to US15/749,062 priority Critical patent/US10902754B2/en
Publication of WO2019119574A1 publication Critical patent/WO2019119574A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
    • 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
    • H05K1/11—Printed elements for providing electric connections to or between printed circuits
    • H05K1/111—Pads for surface mounting, e.g. lay-out
    • 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
    • H05K1/11—Printed elements for providing electric connections to or between printed circuits
    • H05K1/118—Printed elements for providing electric connections to or between printed circuits specially for flexible printed circuits, e.g. using folded portions
    • 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 flexible or folded printed circuits
    • 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
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/36—Assembling printed circuits with other printed circuits
    • H05K3/361—Assembling flexible printed circuits with other printed circuits
    • 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
    • H05K2201/09—Shape and layout
    • H05K2201/09209—Shape and layout details of conductors
    • H05K2201/09372—Pads and lands
    • H05K2201/09381—Shape of non-curved single flat metallic pad, land or exposed part thereof; Shape of electrode of leadless component
    • 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
    • H05K2201/09—Shape and layout
    • H05K2201/09209—Shape and layout details of conductors
    • H05K2201/09372—Pads and lands
    • H05K2201/09418—Special orientation of pads, lands or terminals of component, e.g. radial or polygonal orientation
    • 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

Definitions

  • the present invention relates to the field of display technologies, and in particular, to a flat panel display device structure.
  • LCD liquid crystal display
  • OLED organic light emitting diode
  • the conventional flat panel display device generally includes a display panel 100 and a flexible wiring substrate 300.
  • the display panel 100 has a display area 101 and a bonding area outside the display area 101 (Bonding Area). 103)
  • the flexible wiring substrate 300 is bonded to the display panel 100 at the land 103.
  • the flexible wiring substrate 300 is used to input an electric signal such as a control signal, a display signal, and the like to the display panel 100 to cause the display area 101 of the display panel 100 to emit light.
  • the display panel 100 is provided with a plurality of first metal bonding faces A' in the bonding region 103, and the flexible wiring substrate 300 is provided with the first metal bonding surface A.
  • 'A plurality of second metal joint faces B' of equal number by heating, a first metal joint face A' and a second metal joint face B' are correspondingly joined and electrically contacted, so that control signals, display signals, etc.
  • the electrical signal can be transmitted; the first metal joint A' and the second metal joint B' are generally designed to be the same elongated rectangle.
  • the degree of thermal expansion of the two is different when the bonding is performed, resulting in the first metal bonding faces A' and the first to be overlapped.
  • the two metal joint faces B' are offset after the display panel 100 and the flexible wiring substrate 300 are joined, as shown in FIG.
  • the broken line is the first metal joint face A' on the display panel 100
  • the solid line For the second metal joint surface B' on the flexible wiring substrate 300, the hatched portions where the two intersect are the actual contact areas of the first metal joint surface A' and the second metal joint surface B', visible due to the display
  • the expansion displacement of the panel 100 and the flexible wiring substrate 300 causes the contact area of the first metal joint surface A' and the second metal joint surface B' to decrease, affecting electrical transmission, thereby affecting the display effect.
  • An object of the present invention is to provide a flat panel display device structure capable of increasing a contact area between a first metal joint surface on a display panel and a second metal joint surface on a flexible wiring substrate after the display panel and the flexible wiring substrate are thermally displaced. Ensure that the electrical signal is transmitted normally and improve the display.
  • the present invention provides a flat panel display device structure including a display panel and a flexible wiring substrate;
  • the display panel has a display area and an interface area outside the display area, and the flexible wiring substrate and the display panel are joined at the joint area;
  • the display panel is provided with a plurality of first metal joint faces in the joint region, and the flexible wiring substrate is provided with a plurality of second metal joint faces in a region corresponding to the joint zone, and a first metal joint
  • the surface is coupled to a second metal joint surface and forms an electrical contact
  • the first metal joint surface has the same shape as the second metal joint surface; the first metal joint surface includes a first lateral portion disposed in a lateral direction and a first vertical portion vertically connected to the first lateral portion, and The dimension of the first lateral portion occupied in the lateral direction is larger than the dimension occupied by the first longitudinal portion in the lateral direction; the second metal joint surface includes a second lateral portion disposed in the lateral direction and a portion vertically connecting the second lateral portion Two longitudinal portions, and the second lateral portion occupies a dimension in a lateral direction that is larger than a dimension occupied by the second longitudinal portion in a lateral direction.
  • first metal joint surface and the second metal joint surface are both “L”-shaped or inverted “L” shape, and the first longitudinal portion is perpendicularly connected to the end of the first horizontal portion.
  • the second longitudinal portion is vertically connected to an end of the second lateral portion.
  • first metal joint surface and the second metal joint surface both have a “T” shape or an inverted “T” shape, and the first longitudinal portion is vertically connected to the middle portion of the first horizontal portion.
  • the second longitudinal portion is vertically connected to the middle of the second lateral portion.
  • the flexible wiring substrate has a coefficient of expansion higher than that of the display panel.
  • the second metal joint surface is pre-shrinked with respect to the first metal joint surface.
  • the flexible wiring substrate is COF or FPC.
  • the plurality of first metal joint faces and the plurality of second metal joint faces are arranged in a plurality of rows; for the adjacent two first metal joint faces in the same row, the first vertical portion of one of the first metal joint faces The direction of extension of the first metal joint is extended upward, and correspondingly, for the two adjacent second metal joints in the same row, one of the second metal joints The extending direction of the two longitudinal portions is downward, and the extending direction of the second longitudinal portion of the other second metal engaging surface is upward.
  • the invention also provides a flat panel display device structure, comprising a display panel and a flexible wiring substrate;
  • the display panel has a display area and an interface area outside the display area, and the flexible wiring substrate and the display panel are joined at the joint area;
  • the display panel is provided with a plurality of first metal joint faces in the joint region, and the flexible wiring substrate is provided with a plurality of second metal joint faces in a region corresponding to the joint zone, and a first metal joint
  • the surface is coupled to a second metal joint surface and forms an electrical contact
  • the first metal joint surface has the same shape as the second metal joint surface; the first metal joint surface includes a first lateral portion disposed in a lateral direction and a first vertical portion vertically connected to the first lateral portion, and The dimension of the first lateral portion occupied in the lateral direction is larger than the dimension occupied by the first longitudinal portion in the lateral direction; the second metal joint surface includes a second lateral portion disposed in the lateral direction and a portion vertically connecting the second lateral portion a second longitudinal portion, and a dimension occupied by the second lateral portion in a lateral direction is larger than a dimension occupied by the second longitudinal portion in a lateral direction;
  • the flexible wiring substrate has a higher expansion coefficient than the display panel
  • the second metal joint surface is pre-shrinked with respect to the first metal joint surface
  • the flexible wiring substrate is a COF or FPC
  • the plurality of first metal joint faces and the plurality of second metal joint faces are arranged in a plurality of rows; and for the adjacent two first metal joint faces in the same row, the first of the first metal joint faces
  • the extension direction of the longitudinal portion is downward, and the extension direction of the first longitudinal portion of the other first metal joint surface is upward, correspondingly, for the adjacent two second metal joint faces in the same row, one of the second metal joint faces
  • the second longitudinal portion extends in a downward direction, and the second longitudinal portion of the other second metal engaging surface extends in an upward direction.
  • the present invention provides a flat panel display device structure.
  • the first metal joint surface on the display panel includes a first lateral portion and a first vertical portion, and the first lateral portion occupies a larger dimension in the lateral direction than a dimension occupied by the first longitudinal portion in a lateral direction
  • the second metal joint surface on the flexible wiring substrate includes a second lateral portion and a second vertical portion, and the second lateral portion occupies a laterally larger dimension than the second portion
  • the dimension occupied by the longitudinal portion in the lateral direction is such that when the first metal joint surface and the second metal joint surface are joined by heating and electrically contacted, the expansion of the display panel and the flexible wiring substrate is inevitable.
  • the first metal joint surface of the first metal joint surface and the second metal joint surface Displaceing an offset error between the joined first metal joint surface and the second metal joint surface, but compared to the prior art, the first metal joint surface of the first metal joint surface and the second metal joint surface
  • the two lateral portions have more joint portions in the lateral direction, which is equivalent to compensating for the offset error in the lateral direction, thereby increasing the contact area between the first metal joint surface and the second metal joint surface, and ensuring that the electrical signal is normal. Transport, improving the display effect.
  • FIG. 1 is a schematic plan view of a conventional flat panel display device
  • FIG. 2 is a schematic structural view of a display panel joint area in a conventional flat panel display device
  • FIG. 3 is a schematic view showing a deviation when a first metal joint surface of a display panel and a second metal joint surface of a flexible wiring substrate are joined by heating in a conventional flat panel display device;
  • FIG. 4 is a top plan view showing the structure of a flat panel display device of the present invention.
  • FIG. 5 is a first structural schematic view showing a joint area of a display panel in the structure of the flat panel display device of the present invention.
  • FIG. 6 is a schematic view showing an offset when a first metal joint surface of the display panel of FIG. 5 and a second metal joint surface of the flexible wiring substrate are joined by heating;
  • FIG. 7 is a schematic view showing a second structure of a display panel joint region in the structure of the flat panel display device of the present invention.
  • FIG. 8 is a schematic view showing an offset when the first metal joint surface of the display panel of FIG. 7 and the second metal joint surface of the flexible wiring substrate are joined by heating.
  • a first embodiment of the structure of the flat panel display device of the present invention includes a display panel 1 and a flexible wiring substrate 3, wherein the display panel 1 is not limited to being a liquid crystal display panel or an organic light emitting diode.
  • the flexible wiring substrate 3 is preferably a Chip On Film (COF) or a Flexible Printed Circuit (FPC).
  • COF Chip On Film
  • FPC Flexible Printed Circuit
  • the display panel 1 has a display area 11 and a bonding area 13 outside the display area 11, and the flexible wiring substrate 3 and the display panel 1 are joined at the bonding area 13, so that the flexible wiring substrate 3 can An electric signal such as a control signal or a display signal is input to the display panel 1 to cause the display area 11 of the display panel 1 to emit light.
  • the display panel 1 is provided with a plurality of first metal joint faces A (indicated by broken lines) in the joint region 13, and the flexible wiring substrate 3 is corresponding to the joint region 13.
  • a plurality of second metal joint faces B (shown by solid lines) equal to the number of the first metal joint faces A are provided in the region, and a first metal joint face A and a second metal joint face B are heated by heating Join and form an electrical contact.
  • first metal joint surface and the second metal joint surface are designed to be the same elongated rectangle.
  • first metal joint surface A and the second metal joint surface B are both "L" shape or inverted “L” shape:
  • the first metal joint surface A includes a first lateral portion A1 disposed in a lateral direction and a first longitudinal portion A2 perpendicularly connecting the end portion of the first lateral portion A1 to the first lateral portion A1, and the first portion
  • the dimension occupied by the lateral portion A1 in the lateral direction is larger than the dimension occupied by the first longitudinal portion A2 in the lateral direction;
  • the second metal joint surface B includes a second lateral portion B1 disposed in a lateral direction and a second longitudinal portion B2 perpendicularly connecting the ends of the second lateral portion B1 to the second lateral portion B1, and the second portion
  • the dimension occupied by the lateral portion B1 in the lateral direction is larger than the dimension occupied by the second longitudinal portion B2 in the lateral direction.
  • the plurality of first metal joint faces A and the plurality of second metal joint faces B are arranged in a plurality of rows; for two adjacent first metal joint faces A in the same row, The extending direction of the first longitudinal portion A2 of one of the first metal joint faces A is downward, and the extending direction of the first longitudinal portion A2 of the other first metal joint face A is upward, correspondingly, for the adjacent two in the same row Second metal joint faces B, wherein the second longitudinal portion B2 of one second metal joint surface B extends downward, and the second longitudinal portion B2 of the other second metal joint surface B extends upward, such a row
  • the cloth manner is such that the first lateral portion A1 of the adjacent two first metal joint faces A can share a part of the lateral space, and the second lateral portion B1 of the two adjacent second metal joint faces B can also share a part of the lateral direction.
  • the space can not only save space, but also make the bonding of the display panel 1 and the flexible wiring substrate 3 relatively uniform.
  • the first metal joint surface A and the second metal joint surface B are both disposed in an "L" shape or an inverted “L” shape, the first metal joint is used in the first embodiment.
  • the dimension of the first lateral portion A1 of the face A occupies in the lateral direction is larger than the dimension occupied by the first longitudinal portion A2 in the lateral direction
  • the dimension of the second lateral portion B1 of the second metal joint face B occupies in the lateral direction is larger than the size
  • the size of the two longitudinal portions B2 occupies in the lateral direction, and the first metal bonding surface A and the second metal bonding surface B are electrically joined by heating, and the display panel 1 and the flexible wiring substrate 3 are heated and expanded.
  • the offset inevitably causes an offset error between the joined first metal joint face A and the second metal joint face B, and the offset due to thermal expansion is mainly manifested in the lateral direction, but compared with the prior art,
  • the first lateral portion A1 of the first metal joint surface A and the second lateral portion B1 of the second metal joint surface B have more joint portions in the lateral direction (the first metal joint surface A and the second metal joint are shaded)
  • the actual combined portion of face B) is equivalent to compensating for the offset in the lateral direction Difference, it is possible to increase the contact area of the first metal and the second metal bonding surface A junction plane B, to ensure the normal transmission of electrical signals, to improve the display effect.
  • the expansion coefficient of the flexible wiring substrate 3 is higher than the expansion coefficient of the display panel 1, when heated, the expansion amount of the flexible wiring substrate 3 is larger than the expansion amount of the display panel 1, resulting in the second metal
  • the offset amount of the bonding surface B is large, and in order to further increase the contact area between the first metal bonding surface A and the second metal bonding surface B after the display panel 1 and the flexible wiring substrate 3 are thermally displaced by thermal bonding, the The second metal joint surface B is pre-shrinked with respect to the first metal joint surface A, that is, the size of each constituent side of the second metal joint surface B is designed to be slightly smaller than the size of the corresponding constituent side of the first metal joint surface A.
  • the second embodiment of the structure of the flat panel display device of the present invention is different from the first embodiment in that the first metal joint surface A and the second metal joint surface B are both In a "T" shape or an inverted "T" shape, the first longitudinal portion A2 is vertically connected to the middle portion of the first lateral portion A1, and the second vertical portion B2 is vertically connected to the second lateral portion B1.
  • the middle portion the rest of the structure is the same as that in the first embodiment, and the repeated description is not repeated here.
  • first metal joint surface A and the second metal joint surface B are both disposed in a "T" shape or an inverted "T" shape, the first metal joint is used in the second embodiment.
  • the dimension of the first lateral portion A1 of the face A occupies in the lateral direction is larger than the dimension occupied by the first longitudinal portion A2 in the lateral direction
  • the dimension of the second lateral portion B1 of the second metal joint face B occupies in the lateral direction is larger than the size
  • the size of the two longitudinal portions B2 occupies in the lateral direction, and the first metal bonding surface A and the second metal bonding surface B are electrically joined by heating, and the display panel 1 and the flexible wiring substrate 3 are heated and expanded.
  • the offset inevitably causes an offset error between the joined first metal joint face A and the second metal joint face B, and the offset due to thermal expansion is mainly manifested in the lateral direction, but compared with the prior art,
  • the first lateral portion A1 of the first metal joint surface A and the second lateral portion B1 of the second metal joint surface B have more joint portions in the lateral direction (the first metal joint surface A and the second metal joint are shaded)
  • the actual combined portion of face B) is equivalent to compensating for the offset in the lateral direction Difference, it is possible to increase the contact area of the first metal and the second metal bonding surface A junction plane B, to ensure the normal transmission of electrical signals, to improve the display effect.
  • the expansion coefficient of the flexible wiring substrate 3 is higher than the expansion coefficient of the display panel 1, when heated, the expansion amount of the flexible wiring substrate 3 is larger than the expansion amount of the display panel 1, resulting in the second metal
  • the offset amount of the bonding surface B is large, and in order to further increase the contact area between the first metal bonding surface A and the second metal bonding surface B after the display panel 1 and the flexible wiring substrate 3 are thermally displaced by thermal bonding, the The second metal joint surface B is pre-shrinked with respect to the first metal joint surface A, that is, the size of each constituent side of the second metal joint surface B is designed to be slightly smaller than the size of the corresponding constituent side of the first metal joint surface A.
  • the flat panel display device of the present invention is configured such that the first metal joint surface on the display panel includes a first lateral portion and a first vertical portion, and the first lateral portion occupies a larger dimension in the lateral direction than the first portion.
  • a dimension occupied by the longitudinal portion in the lateral direction the second metal joint surface on the flexible wiring substrate includes a second lateral portion and a second vertical portion, and the second lateral portion occupies a laterally larger dimension than the second longitudinal portion in the lateral direction Occupied size, when a first metal joint surface is joined to a second metal joint surface by heating and electrically contacted, although the display panel and the flexible wiring substrate are thermally expanded, the transfer is inevitably caused to be joined.
  • An offset error occurs between the first metal joint surface and the second metal joint surface, but the first cross portion of the first metal joint surface and the second cross portion of the second metal joint surface are There are more joints in the lateral direction, which is equivalent to compensating the offset error in the lateral direction, so that the contact area between the first metal joint surface and the second metal joint surface can be increased, the electrical signal can be normally transmitted, and the display effect can be improved. fruit.

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Electroluminescent Light Sources (AREA)

Abstract

一种平板显示装置结构，设置于显示面板(1)上的第一金属接合面(A)包括第一横部(A1)及第一纵部(A2)，第一横部(A1)沿横向占据的尺寸大于第一纵部(A2)沿横向占据的尺寸，柔性布线基板(3)上的第二金属接合面(B)包括第二横部(B1)及第二纵部(B2)，第二横部(B1)沿横向占据的尺寸大于第二纵部(B2)沿横向占据的尺寸，能够增加显示面板(1)与柔性布线基板(3)受热接合发生膨胀偏移后第一金属接合面(A)与第二金属接合面(B)的接触面积，保证电信号正常传输，改善显示效果。

Description

平板显示装置结构 技术领域
本发明涉及显示技术领域，尤其涉及一种平板显示装置结构。
背景技术
在显示技术领域，液晶显示装置(Liquid Crystal Display，LCD)与有机发光二极管显示装置(Organic Light Emitting Diode，OLED)等平板显示装置已经成为目前市场上主流的显示产品。
请同时参阅图1与图2，现有的平板显示装置通常包括显示面板100与柔性布线基板300，所述显示面板100具有显示区101及位于所述显示区101之外的接合区(Bonding Area)103，所述柔性布线基板300与显示面板100在所述接合区103进行接合。所述柔性布线基板300用于向显示面板100输入控制信号、显示信号等电信号，以使所述显示面板100的显示区101发光工作。
进一步地，如图2所示，所述显示面板100在其接合区103内设有多个第一金属接合面A’，所述柔性布线基板300上设有与所述第一金属接合面A’的数量相等的多个第二金属接合面B’，通过加热使得一第一金属接合面A’与一第二金属接合面B’对应接合并形成电性接触，使控制信号、显示信号等电信号能够得以传输；所述第一金属接合面A’与第二金属接合面B’普遍设计成相同的细长矩形。
由于所述显示面板100和所述柔性布线基板300的材料不同、受热膨胀率不同，因此两者在进行接合时的受热膨胀程度也不同，导致原本应重合的第一金属接合面A’与第二金属接合面B’在所述显示面板100和所述柔性布线基板300接合后产生偏移，如图3所示，虚线为所述显示面板100上的第一金属接合面A’，实线为所述柔性布线基板300上的第二金属接合面B’，二者相交的阴影部分为第一金属接合面A’和第二金属接合面B’的实际接触面积，可见，由于所述显示面板100和所述柔性布线基板300的膨胀偏移会造成第一金属接合面A’与第二金属接合面B’的接触面积减小，影响电性传输，从而影响显示效果。
发明内容
本发明的目的在于提供一种平板显示装置结构，能够增加显示面板与 柔性布线基板受热接合发生膨胀偏移后显示面板上第一金属接合面与柔性布线基板上第二金属接合面的接触面积，保证电信号正常传输，改善显示效果。
为实现上述目的，本发明提供一种平板显示装置结构，包括显示面板与柔性布线基板；
所述显示面板具有显示区及位于所述显示区之外的接合区，所述柔性布线基板与显示面板在所述接合区接合；
所述显示面板在所述接合区内设有多个第一金属接合面，所述柔性布线基板在对应于所述接合区的区域内设有多个第二金属接合面，一第一金属接合面与一第二金属接合面对应接合并形成电性接触；
所述第一金属接合面与第二金属接合面的形状相同；所述第一金属接合面包括沿横向设置的第一横部及垂直连接所述第一横部的第一纵部，且所述第一横部沿横向占据的尺寸大于所述第一纵部沿横向占据的尺寸；所述第二金属接合面包括沿横向设置的第二横部及垂直连接所述第二横部的第二纵部，且所述第二横部沿横向占据的尺寸大于所述第二纵部沿横向占据的尺寸。
可选的，所述第一金属接合面与第二金属接合面均呈“L”形或倒置的“L”形，所述第一纵部垂直连接于所述第一横部的端部，所述第二纵部垂直连接于所述第二横部的端部。
可选的，所述第一金属接合面与第二金属接合面均呈“T”形或倒置的“T”形，所述第一纵部垂直连接于所述第一横部的中部，所述第二纵部垂直连接于所述第二横部的中部。
所述柔性布线基板的膨胀系数高于所述显示面板的膨胀系数。
所述第二金属接合面相对于第一金属接合面做预缩处理。
所述柔性布线基板为COF或FPC。
所述多个第一金属接合面与多个第二金属结合面均排成数排；对于同一排中相邻的两个第一金属接合面，其中一个第一金属接合面的第一纵部的延伸方向向下，另一个第一金属接合面的第一纵部的延伸方向向上，相应的，对于同一排中相邻的两个第二金属接合面，其中一个第二金属接合面的第二纵部的延伸方向向下，另一个第二金属接合面的第二纵部的延伸方向向上。
本发明还提供一种平板显示装置结构，包括显示面板与柔性布线基板；
所述显示面板具有显示区及位于所述显示区之外的接合区，所述柔性布线基板与显示面板在所述接合区接合；
所述显示面板在所述接合区内设有多个第一金属接合面，所述柔性布线基板在对应于所述接合区的区域内设有多个第二金属接合面，一第一金属接合面与一第二金属接合面对应接合并形成电性接触；
所述第一金属接合面与第二金属接合面的形状相同；所述第一金属接合面包括沿横向设置的第一横部及垂直连接所述第一横部的第一纵部，且所述第一横部沿横向占据的尺寸大于所述第一纵部沿横向占据的尺寸；所述第二金属接合面包括沿横向设置的第二横部及垂直连接所述第二横部的第二纵部，且所述第二横部沿横向占据的尺寸大于所述第二纵部沿横向占据的尺寸；
其中，所述柔性布线基板的膨胀系数高于所述显示面板的膨胀系数；
其中，所述第二金属接合面相对于第一金属接合面做预缩处理；
其中，所述柔性布线基板为COF或FPC；
其中，所述多个第一金属接合面与多个第二金属结合面均排成数排；对于同一排中相邻的两个第一金属接合面，其中一个第一金属接合面的第一纵部的延伸方向向下，另一个第一金属接合面的第一纵部的延伸方向向上，相应的，对于同一排中相邻的两个第二金属接合面，其中一个第二金属接合面的第二纵部的延伸方向向下，另一个第二金属接合面的第二纵部的延伸方向向上。
本发明的有益效果：本发明提供的一种平板显示装置结构设置显示面板上的第一金属接合面包括第一横部及第一纵部，且所述第一横部沿横向占据的尺寸大于所述第一纵部沿横向占据的尺寸，柔性布线基板上的第二金属接合面包括第二横部及第二纵部，且所述第二横部沿横向占据的尺寸大于所述第二纵部沿横向占据的尺寸，通过加热使得一第一金属接合面与一第二金属接合面对应接合并形成电性接触时，虽然所述显示面板与柔性布线基板受热发生膨胀偏移不可避免地使得相接合的第一金属接合面与第二金属接合面之间产生偏移误差，但相比现有技术，所述第一金属接合面的第一横部与第二金属接合面的第二横部在横向会有更多的接合部分，相当于在横向上补偿偏移误差，从而能够增加第一金属接合面与第二金属接合面的接触面积，保证电信号正常传输，改善显示效果。
附图说明
为了能更进一步了解本发明的特征以及技术内容，请参阅以下有关本发明的详细说明与附图，然而附图仅提供参考与说明用，并非用来对本发明加以限制。
附图中，
图1为现有的平板显示装置的俯视示意图；
图2为现有的平板显示装置中显示面板接合区的结构示意图；
图3为现有的平板显示装置中显示面板的第一金属接合面与柔性布线基板的第二金属接合面通过加热进行接合时发生偏移的示意图；
图4为本发明的平板显示装置结构的俯视示意图；
图5为本发明的平板显示装置结构中显示面板接合区的第一种结构示意图；
图6为对应于图5中显示面板的第一金属接合面与柔性布线基板的第二金属接合面通过加热进行接合时发生偏移的示意图；
图7为本发明的平板显示装置结构中显示面板接合区的第二种结构示意图；
图8为对应于图7中显示面板的第一金属接合面与柔性布线基板的第二金属接合面通过加热进行接合时发生偏移的示意图。
具体实施方式
为更进一步阐述本发明所采取的技术手段及其效果，以下结合本发明的优选实施例及其附图进行详细描述。
本发明提供一种平板显示装置结构。请同时参阅图4、图5与图6，本发明的平板显示装置结构的第一实施例包括显示面板1与柔性布线基板3，其中所述显示面板1不限于为液晶显示面板或有机发光二极管显示面板，所述柔性布线基板3优选为覆晶薄膜(Chip On Film，COF)或软排线印刷电路板(Flexible Printed Circuit，FPC)。所述柔性布线基板3的膨胀系数高于所述显示面板1的膨胀系数。
所述显示面板1具有显示区11及位于所述显示区11之外的接合区13，所述柔性布线基板3与显示面板1在所述接合区13进行接合，从而所述柔性布线基板3能够向所述显示面板1输入控制信号、显示信号等电信号，以使所述显示面板1的显示区11发光工作。
结合图4与图5，所述显示面板1在所述接合区13内设有多个第一金属接合面A(以虚线表示)，所述柔性布线基板3在对应于所述接合区13的区域内设有与所述第一金属接合面A的数量相等的多个第二金属接合面B(以实线表示)，一第一金属接合面A与一第二金属接合面B通过加热对应接合并形成电性接触。
与现有技术将第一金属接合面与第二金属结合面设计成相同的细长矩 形不同，在该第一实施例中，所述第一金属接合面A与第二金属接合面B均呈“L”形或倒置的“L”形：
所述第一金属接合面A包括沿横向设置的第一横部A1及于所述第一横部A1的端部垂直连接该第一横部A1的第一纵部A2，且所述第一横部A1沿横向占据的尺寸大于所述第一纵部A2沿横向占据的尺寸；
所述第二金属接合面B包括沿横向设置的第二横部B1及于所述第二横部B1的端部垂直连接该第二横部B1的第二纵部B2，且所述第二横部B1沿横向占据的尺寸大于所述第二纵部B2沿横向占据的尺寸。
进一步地，如图5所示，所述多个第一金属接合面A与多个第二金属结合面B均排成数排；对于同一排中相邻的两个第一金属接合面A，其中一个第一金属接合面A的第一纵部A2的延伸方向向下，另一个第一金属接合面A的第一纵部A2的延伸方向向上，相应的，对于同一排中相邻的两个第二金属接合面B，其中一个第二金属接合面B的第二纵部B2的延伸方向向下，另一个第二金属接合面B的第二纵部B2的延伸方向向上，这样的排布方式使得相邻的两个第一金属接合面A的第一横部A1便可共用一部分横向空间，同样相邻的两个第二金属接合面B的第二横部B1也可共用一部分横向空间，不仅能够节省空间，还能够使所述显示面板1与柔性布线基板3的接合较均匀。
结合图5与图6，由于该第一实施例将所述第一金属接合面A与第二金属接合面B均设置成“L”形或倒置的“L”形，所述第一金属接合面A的第一横部A1沿横向占据的尺寸大于所述第一纵部A2沿横向占据的尺寸，所述第二金属接合面B的第二横部B1沿横向占据的尺寸大于所述第二纵部B2沿横向占据的尺寸，通过加热使得一第一金属接合面A与一第二金属接合面B对应接合并形成电性接触时，所述显示面板1与柔性布线基板3受热发生膨胀偏移不可避免地使得相接合的第一金属接合面A与第二金属接合面B之间产生偏移误差，且因受热膨胀造成的偏移主要表现在横向，但相比现有技术，所述第一金属接合面A的第一横部A1与第二金属接合面B的第二横部B1在横向会有更多的接合部分(以阴影表示第一金属接合面A与第二金属接合面B的实际结合部分)，相当于在横向上补偿偏移误差，从而能够增加第一金属接合面A与第二金属接合面B的接触面积，保证电信号正常传输，改善显示效果。
考虑到所述柔性布线基板3的膨胀系数高于所述显示面板1的膨胀系数，受热时，所述柔性布线基板3的膨胀量大于所述显示面板1的膨胀量，导致所述第二金属接合面B的偏移量较大，为了进一步增加所述显示面板 1与柔性布线基板3受热接合发生膨胀偏移后第一金属接合面A与第二金属接合面B的接触面积，将所述第二金属接合面B相对于第一金属接合面A做预缩处理，即将所述第二金属接合面B各组成边的尺寸设计成略小于所述第一金属接合面A相应组成边的尺寸。
请同时参阅图4、图7与图8，本发明的平板显示装置结构的第二实施例与上述第一实施例的区别在于，所述第一金属接合面A与第二金属接合面B均呈“T”形或倒置的“T”形，所述第一纵部A2垂直连接于所述第一横部A1的中部，所述第二纵部B2垂直连接于所述第二横部B1的中部，其余结构均与第一实施例相同，此处不再进行重复描述。
结合图7与图8，由于该第二实施例将所述第一金属接合面A与第二金属接合面B均设置成“T”形或倒置的“T”形，所述第一金属接合面A的第一横部A1沿横向占据的尺寸大于所述第一纵部A2沿横向占据的尺寸，所述第二金属接合面B的第二横部B1沿横向占据的尺寸大于所述第二纵部B2沿横向占据的尺寸，通过加热使得一第一金属接合面A与一第二金属接合面B对应接合并形成电性接触时，所述显示面板1与柔性布线基板3受热发生膨胀偏移不可避免地使得相接合的第一金属接合面A与第二金属接合面B之间产生偏移误差，且因受热膨胀造成的偏移主要表现在横向，但相比现有技术，所述第一金属接合面A的第一横部A1与第二金属接合面B的第二横部B1在横向会有更多的接合部分(以阴影表示第一金属接合面A与第二金属接合面B的实际结合部分)，相当于在横向上补偿偏移误差，从而能够增加第一金属接合面A与第二金属接合面B的接触面积，保证电信号正常传输，改善显示效果。
考虑到所述柔性布线基板3的膨胀系数高于所述显示面板1的膨胀系数，受热时，所述柔性布线基板3的膨胀量大于所述显示面板1的膨胀量，导致所述第二金属接合面B的偏移量较大，为了进一步增加所述显示面板1与柔性布线基板3受热接合发生膨胀偏移后第一金属接合面A与第二金属接合面B的接触面积，将所述第二金属接合面B相对于第一金属接合面A做预缩处理，即将所述第二金属接合面B各组成边的尺寸设计成略小于所述第一金属接合面A相应组成边的尺寸。
综上所述，本发明的平板显示装置结构设置显示面板上的第一金属接合面包括第一横部及第一纵部，且所述第一横部沿横向占据的尺寸大于所述第一纵部沿横向占据的尺寸，柔性布线基板上的第二金属接合面包括第二横部及第二纵部，且所述第二横部沿横向占据的尺寸大于所述第二纵部沿横向占据的尺寸，通过加热使得一第一金属接合面与一第二金属接合面 对应接合并形成电性接触时，虽然所述显示面板与柔性布线基板受热发生膨胀偏移不可避免地使得相接合的第一金属接合面与第二金属接合面之间产生偏移误差，但相比现有技术，所述第一金属接合面的第一横部与第二金属接合面的第二横部在横向会有更多的接合部分，相当于在横向上补偿偏移误差，从而能够增加第一金属接合面与第二金属接合面的接触面积，保证电信号正常传输，改善显示效果。
以上所述，对于本领域的普通技术人员来说，可以根据本发明的技术方案和技术构思作出其他各种相应的改变和变形，而所有这些改变和变形都应属于本发明的权利要求的保护范围。

Claims (10)

  1. 一种平板显示装置结构，包括显示面板与柔性布线基板；
    所述显示面板具有显示区及位于所述显示区之外的接合区，所述柔性布线基板与显示面板在所述接合区接合；
    所述显示面板在所述接合区内设有多个第一金属接合面，所述柔性布线基板在对应于所述接合区的区域内设有多个第二金属接合面，一第一金属接合面与一第二金属接合面对应接合并形成电性接触；
    所述第一金属接合面与第二金属接合面的形状相同；所述第一金属接合面包括沿横向设置的第一横部及垂直连接所述第一横部的第一纵部，且所述第一横部沿横向占据的尺寸大于所述第一纵部沿横向占据的尺寸；所述第二金属接合面包括沿横向设置的第二横部及垂直连接所述第二横部的第二纵部，且所述第二横部沿横向占据的尺寸大于所述第二纵部沿横向占据的尺寸。
  2. 如权利要求1所述的平板显示装置结构，其中，所述第一金属接合面与第二金属接合面均呈“L”形或倒置的“L”形，所述第一纵部垂直连接于所述第一横部的端部，所述第二纵部垂直连接于所述第二横部的端部。
  3. 如权利要求1所述的平板显示装置结构，其中，所述第一金属接合面与第二金属接合面均呈“T”形或倒置的“T”形，所述第一纵部垂直连接于所述第一横部的中部，所述第二纵部垂直连接于所述第二横部的中部。
  4. 如权利要求1所述的平板显示装置结构，其中，所述柔性布线基板的膨胀系数高于所述显示面板的膨胀系数。
  5. 如权利要求4所述的平板显示装置结构，其中，所述第二金属接合面相对于第一金属接合面做预缩处理。
  6. 如权利要求4所述的平板显示装置结构，其中，所述柔性布线基板为COF或FPC。
  7. 如权利要求1所述的平板显示装置结构，其中，所述多个第一金属接合面与多个第二金属结合面均排成数排；对于同一排中相邻的两个第一金属接合面，其中一个第一金属接合面的第一纵部的延伸方向向下，另一个第一金属接合面的第一纵部的延伸方向向上，相应的，对于同一排中相邻的两个第二金属接合面，其中一个第二金属接合面的第二纵部的延伸方向向下，另一个第二金属接合面的第二纵部的延伸方向向上。
  8. 一种平板显示装置结构，包括显示面板与柔性布线基板；
    所述显示面板具有显示区及位于所述显示区之外的接合区，所述柔性布线基板与显示面板在所述接合区接合；
    所述显示面板在所述接合区内设有多个第一金属接合面，所述柔性布线基板在对应于所述接合区的区域内设有多个第二金属接合面，一第一金属接合面与一第二金属接合面对应接合并形成电性接触；
    所述第一金属接合面与第二金属接合面的形状相同；所述第一金属接合面包括沿横向设置的第一横部及垂直连接所述第一横部的第一纵部，且所述第一横部沿横向占据的尺寸大于所述第一纵部沿横向占据的尺寸；所述第二金属接合面包括沿横向设置的第二横部及垂直连接所述第二横部的第二纵部，且所述第二横部沿横向占据的尺寸大于所述第二纵部沿横向占据的尺寸；
    其中，所述柔性布线基板的膨胀系数高于所述显示面板的膨胀系数；
    其中，所述第二金属接合面相对于第一金属接合面做预缩处理；
    其中，所述柔性布线基板为COF或FPC；
    其中，所述多个第一金属接合面与多个第二金属结合面均排成数排；对于同一排中相邻的两个第一金属接合面，其中一个第一金属接合面的第一纵部的延伸方向向下，另一个第一金属接合面的第一纵部的延伸方向向上，相应的，对于同一排中相邻的两个第二金属接合面，其中一个第二金属接合面的第二纵部的延伸方向向下，另一个第二金属接合面的第二纵部的延伸方向向上。
  9. 如权利要求8所述的平板显示装置结构，其中，所述第一金属接合面与第二金属接合面均呈“L”形或倒置的“L”形，所述第一纵部垂直连接于所述第一横部的端部，所述第二纵部垂直连接于所述第二横部的端部。
  10. 如权利要求8所述的平板显示装置结构，其中，所述第一金属接合面与第二金属接合面均呈“T”形或倒置的“T”形，所述第一纵部垂直连接于所述第一横部的中部，所述第二纵部垂直连接于所述第二横部的中部。
PCT/CN2018/072506 2017-12-18 2018-01-12 平板显示装置结构 Ceased WO2019119574A1 (zh)

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