WO2021093373A1 - 柔性结构、显示面板及显示装置 - Google Patents

柔性结构、显示面板及显示装置 Download PDF

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Publication number
WO2021093373A1
WO2021093373A1 PCT/CN2020/105069 CN2020105069W WO2021093373A1 WO 2021093373 A1 WO2021093373 A1 WO 2021093373A1 CN 2020105069 W CN2020105069 W CN 2020105069W WO 2021093373 A1 WO2021093373 A1 WO 2021093373A1
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WIPO (PCT)
Prior art keywords
row
pad
pads
display panel
along
Prior art date
Application number
PCT/CN2020/105069
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English (en)
French (fr)
Inventor
朱昆鹏
王向前
彭兆基
Original Assignee
昆山国显光电有限公司
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Application filed by 昆山国显光电有限公司 filed Critical 昆山国显光电有限公司
Publication of WO2021093373A1 publication Critical patent/WO2021093373A1/zh
Priority to US17/519,066 priority Critical patent/US20220057838A1/en

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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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
    • G06F1/1652—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being flexible, e.g. mimicking a sheet of paper, or rollable
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133305—Flexible substrates, e.g. plastics, organic film
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1345—Conductors connecting electrodes to cell terminals
    • G02F1/13458—Terminal pads
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362—Active matrix addressed cells
    • G02F1/136286—Wiring, e.g. gate line, drain line
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • H10K50/80—Constructional details
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10—OLED displays
    • H10K59/12—Active-matrix OLED [AMOLED] displays
    • H10K59/131—Interconnections, e.g. wiring lines or terminals
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K77/00—Constructional details of devices covered by this subclass and not covered by groups H10K10/80, H10K30/80, H10K50/80 or H10K59/80
    • H10K77/10—Substrates, e.g. flexible substrates
    • H10K77/111—Flexible substrates
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K2102/00—Constructional details relating to the organic devices covered by this subclass
    • H10K2102/301—Details of OLEDs
    • H10K2102/311—Flexible OLED
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/80—Constructional details
    • H10K59/82—Interconnections, e.g. terminals
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y02E10/549—Organic PV cells

Definitions

  • the embodiments of the present application relate to the field of display technology, such as a flexible structure, a display panel, and a display device.
  • the size of the pads in the binding area of the flexible display panel gradually decreases, and the density of the pads gradually increases.
  • the pads on the flexible structure attached to the corresponding binding area are required.
  • the size of the pads is also gradually reduced, and the density of the pads is gradually increased, so that when the flexible display panel and the flexible structure are bound, the pads are prone to misalignment and even breakage.
  • the deformation of the flexible display panel and the flexible structure during the bending process, as well as the temperature and humidity factors, also make it easy for the gasket to be misplaced or even break when binding the flexible display panel and the flexible structure, which affects the flexible structure to the flexible display panel.
  • the signal transmission process will affect the normal display of the display panel.
  • the present application provides a flexible structure, a display panel, and a display device, which reduce the probability of disconnection caused by the misalignment of the gasket, improve the bonding yield and bonding reliability of the flexible display panel and the flexible structure, and at the same time help reduce The design difficulty of the first liner in the flexible structure.
  • an embodiment of the present application provides a flexible structure, including:
  • the virtual extension line of the first pad is arranged obliquely with respect to a reference line along the second direction, and the virtual extension lines of all the first pads intersect at the same convergence point; wherein, the first direction and the reference line The second direction is perpendicular to each other;
  • the center point of each of the first pads in the i+1 row in the first direction, and one of the two adjacent first pads in the i-th row of the first pads The first set bisecting point of the m bisecting points in the first direction and the convergence point correspondingly lie on the same straight line, where n is an integer greater than 1, and i is a positive integer , I is less than n, m is equal to n-i+1.
  • an embodiment of the present application also provides a display panel, including:
  • the virtual extension line of the second pad is arranged obliquely with respect to a reference line along the second direction, and the virtual extension lines of all the second pads intersect at the same convergence point; wherein, the first direction and the reference line The second direction is perpendicular to each other;
  • an embodiment of the present application also provides a display device, which is characterized by comprising the flexible structure as described in the first aspect and the display panel as described in the second aspect, and the flexible structure is bound to the In the binding area of the display panel, the first pad in the flexible structure is electrically connected to the second pad in the binding area of the display panel.
  • the embodiments of the present application provide a flexible structure, a display panel, and a display device.
  • the flexible structure includes a substrate and n rows of first pads on one side of the substrate, and each row of the first pads is arranged along a first direction.
  • the virtual extension line of the first pad is arranged obliquely with respect to the reference line along the second direction, the virtual extension lines of all the first pads intersect at the same convergence point, and the first direction and the second direction are perpendicular to each other.
  • the center point of each first pad in the i+1 row in the first direction, and the m equal division point of the space between two adjacent first pads in the i-th row of the first pad along the first direction
  • the first set point and the convergence point are located on the same straight line.
  • n is an integer greater than 1
  • i is a positive integer
  • i is less than n
  • m is equal to n-i+1, which reduces the liner misalignment.
  • FIG. 1 is a schematic top view of a flexible structure provided by an embodiment of the application
  • FIG. 2 is a schematic top view of another flexible structure provided by an embodiment of the application.
  • FIG. 3 is a schematic top view of another flexible structure provided by an embodiment of this application.
  • FIG. 4 is a schematic top view of the structure of a display panel provided by an embodiment of the application.
  • FIG. 5 is a schematic diagram of a top view structure of another display panel provided by an embodiment of the application.
  • FIG. 6 is a schematic top view of another display panel according to an embodiment of the application.
  • FIG. 7 is a schematic top view of a first pad in a display panel and a signal transmission line electrically connected thereto according to an embodiment of the application;
  • FIG. 8 is a schematic top view of a first pad and a signal transmission line electrically connected to it in another display panel according to an embodiment of the application;
  • FIG. 9 is a schematic top view of a first pad in a display panel and a signal transmission line electrically connected thereto according to an embodiment of the application;
  • FIG. 10 is a schematic diagram of the structure of the second pad and the signal transmission line electrically connected to the second pad in a display panel;
  • FIG. 11 is a schematic top view of a structure of a display device according to an embodiment of the application.
  • the size of the pads in the binding area of the flexible display panel gradually decreases, and the density of the pads gradually increases.
  • the size of the pads on the flexible structure that needs to be attached to the corresponding binding area is gradually reduced, and the density of the pads gradually increases.
  • the smaller and densely arranged pads make the flexible display panel and the flexible structure bound together. At this time, the gasket is prone to misalignment or even breakage, which affects the signal transmission process from the flexible structure to the flexible display panel.
  • the deformation of the flexible display panel and the flexible structure during the bending process causes the size and position of the gasket in the two to change, and the high temperature and high pressure process is required when the flexible display panel and the flexible structure are bound.
  • the flexible display Polyimide (PI) substrates used in panels and flexible structures are sensitive to temperature and humidity, and are easy to shrink or expand, which also makes the liners easily misaligned or even broken when bonding the flexible display panel and the flexible structure. , It affects the signal transmission process of the flexible structure to the flexible display panel, and then affects the normal display of the display panel.
  • the embodiment of the present application is provided with first pads that extend obliquely, and the virtual extension lines corresponding to the first pads all intersect at the same convergence point.
  • the first pads in each row are distributed along the first direction, which can be adjusted by adjusting the flexible structure.
  • the relative position of the flexible display panel in the second direction enables the flexible display panel and the corresponding gasket on the flexible structure to accurately correspond, reduce the probability of disconnection caused by the misalignment of the gasket, and improve the binding yield and binding of the flexible display panel and the flexible structure. Certain reliability.
  • the first set equal division point and the convergence point in the corresponding lie on the same straight line.
  • the central point, the space equal division point and the convergence point of the first gasket are set regularly, which is beneficial to reduce the first gasket in the flexible structure.
  • FIG. 1 is a schematic top view of a flexible structure provided by an embodiment of the application.
  • the flexible structure includes a substrate 1 and n rows of first pads 2 on one side of the substrate 1.
  • Each row of the first pads 2 is arranged along a first direction XX'.
  • the extension line is arranged obliquely with respect to a reference line CC′ along the second direction YY′, all virtual extension lines of the first pad 2 intersect at the same convergence point C, and the first direction XX′ and the second direction YY′ are perpendicular to each other.
  • n is an integer greater than 1
  • i is a positive integer
  • i is less than n
  • m Equal to n-i+1.
  • Figure 1 exemplarily sets n equal to 2, that is, the flexible structure includes two rows of first pads 2 on one side of the substrate 1.
  • the virtual extension of the first pads 2 can be understood as being parallel to the extension of the first pads 2.
  • a row of first pads 2 on the side close to the convergence point C is used as the first row of first pads 2.
  • the dashed line a is the virtual extension line corresponding to the first pad 2 in the second row
  • the dashed line b Is the virtual extension line corresponding to the first pad 2 in the first row.
  • the virtual extension line of the first pad 2 is obliquely arranged with respect to the reference line CC', that is, the first pad 2 is obliquely arranged with respect to the reference line CC′, and the virtual extension lines of all the first pads 2 intersect at the same convergence point C, That is, the virtual extension lines of all the first pads 2 converge to the same point, and the first pads 2 are arranged obliquely with respect to the reference line CC', so that the first pads 2 are better distributed along the first direction XX'.
  • i is equal to 1
  • the center point of each first pad 2 in the second row along the first direction XX' is A
  • m is equal to n-i+1
  • the m-division point is the bisecting point
  • d1 is equal to d2. Since there is only one bisecting point, the first set bisecting point in the bisecting point is the bisecting point itself, and A, B and the convergence point C are on the same straight line.
  • FIG. 2 is a schematic top view of another flexible structure provided by an embodiment of the application
  • FIG. 3 is a schematic top view of another flexible structure provided by an embodiment of the application.
  • the flexible structure of the structure shown in FIG. 2 exemplarily sets n equal to 3. That is, the flexible structure includes three rows of first pads 2 on one side of the substrate 1, and the distance is convergent. Point C is from near to far, and is the first liner 2 in the first row, the first liner 2 in the second row, and the first liner 2 in the third row.
  • each first pad 2 in the i+1th row along the first direction XX', the space between the corresponding two adjacent first pads 2 in the i-th row along the first direction XX' The first set of equal division points and the convergence point C are located on the same straight line, where the correspondence means that the first pad 2 of the aforementioned central point corresponds to the adjacent one of the aforementioned m equal division points.
  • the two first pads 2 are arranged along the area where the first direction XX' is located.
  • the center point of each first pad 2 in the second row along the first direction XX' is D, and one of the two adjacent first pads 2 in the first row of first pads 2
  • the first set point of the m equal division point of the space along the first direction XX' is E
  • m is equal to n-i+1
  • the m equal division point is the third division point, as shown in Fig. 2 and Fig. 3 d3 is equal to d4 is equal to d5
  • there are two three equal points between two adjacent first spacers 2 and one of the three equal points can be selected as the first set equal point, as shown in Fig.
  • the flexible display panel is bound after the relative position in the second direction YY', so as to ensure that when the size and position of the first gasket 2 in the first direction XX' change within a certain range, the flexibility can be adjusted
  • the relative position of the structure and the flexible display panel in the second direction YY' makes the flexible display panel and the corresponding gasket on the flexible structure correspond accurately, reducing the probability of disconnection caused by the misalignment of the gasket, and improving the binding of the flexible display panel and the flexible structure. Rate and reliability of binding.
  • each first pad 2 in the i+1th row along the first direction XX' is set, and the space between two adjacent first pads 2 in the i-th row is along the first
  • the first set bisecting point and the convergence point C of the m bisecting points in a direction XX' are correspondingly located on the same straight line, and the center point, the spatial bisecting point and the convergence point C of the first pad 2 are regularized. The arrangement helps to reduce the design difficulty of the first liner 2 in the flexible structure.
  • the first pads 2 are arranged obliquely and the corresponding virtual extension lines all intersect at the same convergence point C, the first pads 2 in each row are arranged well in the first direction XX', that is, the same row In the first pad 2, the greater the angle between the virtual extension line of the first pad 2 and the reference line CC' along the first direction XX', the greater the angle between the virtual extension line of the first pad 2 and the reference line CC', that is, the closer the flexible structure is along the first direction XX', the greater the angle of inclination of the first gasket 2 is, the edge area of the flexible display panel is more prone to dimensional changes than the central area when the flexible display panel is stressed.
  • the inclination angle of the first liner 2 at the edge position of the direction XX' is greater than the inclination angle of the first liner 2 at the edge position of the flexible structure along the first direction XX', which facilitates the adjustment of the flexible structure and the flexible display panel.
  • the relative position in the second direction YY' is to improve the alignment accuracy of the flexible display panel and the liner provided in the edge area of the flexible structure, so as to reduce the probability of disconnection caused by the misalignment of the liner, and improve the flexibility of the flexible display panel and the flexible structure. Bonding yield and bonding reliability.
  • each row of first pads 2 may be arranged to be symmetrically distributed with respect to the reference line CC'.
  • the first pads 2 can be set on the reference line CC'.
  • the first row of first pads 2 in FIG. 1 can be located in the first row
  • the first pads 2 on the left and right sides of the reference line CC' are arranged symmetrically with respect to the central first pad 2 located on the reference line CC'.
  • the reference line CC' it is also possible to set the reference line CC' without first pads 2, for example, the second row of first pads 2 in FIG. 1, then the second row can be located on the reference line
  • the first pads 2 on the left and right sides of CC' are arranged symmetrically with respect to the reference line CC' to reduce the design difficulty of the first pad 2 in the flexible structure.
  • the length d0 of the first pads 2 in the same row along the second direction YY' may be the same.
  • the size of the flexible structure changes along the first direction XX', that is, the size and position of the first pad 2 along the first direction XX' change
  • the flexible display panel is bound to the flexible structure
  • a row of first pads 2 with different lengths in the second direction YY' has different allowable margins to avoid disconnection caused by misalignment, resulting in the adjustment of flexibility in the second direction YY'
  • part of the first liner 2 can already be adjusted to a position where there is no open circuit problem
  • the lengths of the first pads 2 in the same row along the second direction YY' are the same.
  • the lengths along the second direction YY' are different.
  • the allowable margin left by a row of first pads 2 to avoid disconnection caused by misalignment is the same, which improves the relative position of the flexible display panel and the flexible structure in the second direction YY'.
  • the first pads 2 are adjusted to There is no probability of the position of the open circuit problem, which reduces the difficulty of adjusting the relative position of the flexible display panel and the flexible structure in the second direction YY' in order to avoid the open circuit problem when binding the flexible display panel and the flexible structure.
  • the flexible structure may include a chip on film (COF), and a driver integrated circuit chip (IC) that drives the display panel may be arranged on the COF,
  • COF chip on film
  • IC driver integrated circuit chip
  • the relative position of the COF and the flexible display panel in the second direction YY' can be adjusted so that The flexible display panel and the corresponding liner on the COF correspond accurately, reducing the probability of disconnection caused by the misalignment of the liner, and improving the bonding yield and bonding reliability of the flexible display panel and the COF.
  • the center point of the first liner 2 The regular setting of the spatial division points and the convergence points is beneficial to reduce the design difficulty of the first liner 2 in the COF.
  • the flexible structure may also include a flexible printed circuit board (Flexible Printed Circuit Board, FPCB).
  • FPCB Flexible Printed Circuit Board
  • the first The shape and arrangement position of the gasket 2 can be adjusted by adjusting the relative position of the FPCB and the flexible display panel in the second direction YY' so that the flexible display panel and the corresponding gasket on the FPCB can accurately correspond to each other, reducing the probability of disconnection caused by the misalignment of the gasket , Improve the bonding yield and bonding reliability of the flexible display panel and the FPCB, and at the same time set the center point, the spatial division point and the convergence point of the first spacer 2 regularly, which is beneficial to reduce the first spacer in the FPCB. Design difficulty of pad 2.
  • FIG. 4 is a schematic top view of the structure of the display panel provided by an embodiment of the present application.
  • the display panel includes a flexible display substrate 4 and is located on one side of the flexible display substrate 4.
  • N rows of second pads 6 in the binding area 5 each row of second pads 6 are arranged along the first direction XX', and the virtual extension line of the second pad 6 is relative to a reference line along the second direction YY' CC' is arranged obliquely, all virtual extension lines of the second pad 6 intersect at the same convergence point C, and the first direction XX' and the second direction YY' are perpendicular to each other.
  • n is an integer greater than 1
  • i is a positive integer
  • i is less than n
  • m Equal to n-i+1.
  • Fig. 4 exemplarily sets n equal to 2, that is, the display panel includes two rows of second spacers 6 on one side of the flexible display substrate 4.
  • the virtual extension line of the second spacer 6 can be understood as parallel to the second spacer 6 It extends in the direction of extension and passes through the center point of the second pad 6 in the first direction XX'.
  • a row of second pads 6 on the side close to the convergence point C is used as the first row of second pads 6,
  • the dashed line a is the virtual extension line corresponding to the second pad 6 in the second row
  • the dashed line b is the first row.
  • the virtual extension line of the second pad 6 is arranged obliquely with respect to the reference line CC', that is, the second pad 6 is arranged obliquely with respect to the reference line CC′, and the virtual extension lines of all the second pads 6 intersect at the same convergence point C, That is, the virtual extension lines of all the second pads 6 converge to the same point, and the second pads 6 are arranged obliquely with respect to the reference line CC', so that the second pads 6 are better distributed along the first direction XX'.
  • i is equal to 1
  • the center point of each second pad 6 in the second row along the first direction XX' is A
  • m is equal to n-i+1
  • the m-division point is the bisecting point
  • D1 is equal to d2 in Fig. 8. Since there is only one bisecting point, the first set bisecting point in the bisecting point is the bisecting point itself, and A, B and the convergence point C are on the same straight line.
  • FIG. 5 is a schematic top view of another display panel provided by an embodiment of the application
  • FIG. 6 is a schematic top view of another display panel provided by an embodiment of the application.
  • the display panel of the structure shown in FIG. 5 and FIG. 6 exemplarily sets n equal to 3, that is, the display panel includes three rows of second spacers on one side of the flexible display substrate 4. 6.
  • the distance from the convergent point C from near to far is the first row of second pads 6, the second row of second pads 6, and the third row of second pads 6, respectively.
  • the first set equal division point in the division points and the corresponding convergence point C on the same straight line means that the second pad 6 of the aforementioned central point corresponds to the two adjacent two division points of the aforementioned description m division point.
  • the second gasket 6 is arranged along the area where the first direction XX' is located.
  • the center point of each second pad 6 in the second row along the first direction XX' is D, and one of the two adjacent second pads 6 in the first row of second pads 6
  • the first set of equal division points in the m division points of the space along the first direction XX' is E, m is equal to n-i+1, and the m division points are third division points, as shown in Figs. 5 and 6 d3 is equal to d4 is equal to d5, and there are two thirds of equivalence between two adjacent second pads 6, and one of the thirds can be selected as the first set of equidistant points, as shown in Fig.
  • the flexible display panel and the corresponding gasket on the flexible structure are accurately corresponded, the probability of disconnection caused by the misalignment of the gasket is reduced, and the flexible display panel and the flexible structure are improved The bonding yield and bonding reliability.
  • the second pads 6 are arranged obliquely and the corresponding virtual extension lines all intersect at the same convergence point C, the second pads 6 in each row are well dispersed and arranged along the first direction XX', that is, the same row In the second pad 6, the greater the angle between the virtual extension line of the second pad 6 and the reference line CC' along the first direction XX' from the reference line CC', that is, the closer to the display panel along the first direction XX', the larger the inclination angle of the second gasket 6 is, the edge area of the flexible display panel is more prone to change in size than the central area when the flexible display panel is stressed, that is, it is deformed.
  • the inclination angle of the second gasket 6 at the edge of the direction XX' is greater than that of the second gasket 6 at the edge of the display panel in the first direction XX', which facilitates the adjustment of the display panel and the flexible display panel.
  • the relative position in the second direction YY' is to improve the alignment accuracy of the flexible display panel and the liner provided in the edge area of the display panel, so as to reduce the probability of disconnection caused by the misalignment of the liner, and to improve the flexible display panel and the flexible structure The bonding yield and bonding reliability.
  • each row of second pads 6 may be arranged to be symmetrically distributed with respect to the reference line CC'.
  • a second pad 6 may be provided on the reference line CC'.
  • the first row of second pads 6 in FIG. 4 may be located in the first row
  • the second pads 6 on the left and right sides of the reference line CC' are arranged symmetrically with respect to the central second pad 6 located on the reference line CC'.
  • the reference line CC' is not provided with the second pads 6, for example, the second row of second pads 6 in FIG.
  • the second row can be located on the reference line CC
  • the second pads 6 on the left and right sides are arranged symmetrically with respect to the reference line CC to reduce the difficulty of designing the second pad 6 in the display panel and the routing difficulty of the signal transmission line 7 electrically connected to the second pad 6 .
  • the length d0 of the second pads 6 in the same row along the second direction YY' may be the same.
  • the size of the display panel changes along the first direction XX' that is, the size and position of the second gasket 6 along the first direction XX' change, when binding the flexible display panel and the flexible structure .
  • Adjust the relative position of the flexible structure and the flexible display panel in the second direction YY' and adjust the flexibility along the second direction YY' when the length d0 of the second liner 6 in the same row in the second direction YY' is different
  • the length of the second liner 6 in the second direction YY' is different in order to avoid disconnection caused by the misalignment, and the allowable margin is different, resulting in the difference in the allowable margin along the second direction YY'
  • part of the second gasket 6 can already be adjusted
  • the lengths of the second pads 6 in the same row along the second direction YY' are the same.
  • the lengths along the second direction YY' are different.
  • the second liner 6 in the row has the same allowable margin to avoid disconnection caused by misalignment, which improves the relative position of the flexible display panel and the flexible structure in the second direction YY'.
  • the second liner 6 When adjusting the relative position of the flexible display panel and the flexible structure in the second direction, the second liner 6 is adjusted to the same The probability of the location where there will be a disconnection problem reduces the difficulty of adjusting the relative position of the flexible display panel and the flexible structure in the second direction YY' in order to avoid the disconnection problem when binding the flexible display panel and the flexible structure.
  • FIG. 7 is a schematic top view of the second spacer and the signal transmission line electrically connected to the second spacer in a display panel according to an embodiment of the application
  • FIG. 8 is a second spacer in another display panel according to an embodiment of the application.
  • FIG. 9 is a schematic top view of the first pad and the signal transmission line electrically connected to the first pad in another display panel according to an embodiment of the present application, wherein FIG. 7 corresponds to FIG.
  • the arrangement of the second pad 6 in FIG. 8 corresponds to the arrangement of the second pad 6 in FIG. 5, and FIG. 9 corresponds to the arrangement of the second pad 6 in FIG.
  • the electrical connection signal transmission line 7 is arranged in a straight line.
  • i is equal to 1, then in the distribution area f1 from the second row of the second liner 6 to the first row of the second liner along the second direction YY', and the second row of the second liner
  • the signal transmission line 7 electrically connected to the two pads 6 is in a straight line. 8 and 9, when i is equal to 1, then in the distribution area f2 from the second row of the second pad 6 to the first row of the second pad along the second direction YY', and the second row of the second row
  • the signal transmission line 7 electrically connected to the pad 6 is arranged in a straight line.
  • the signal transmission line 7 electrically connected to the second pad 6 of the third row is arranged in a straight line.
  • FIG. 10 is a schematic diagram of the structure of a second pad in a display panel and a signal transmission line electrically connected thereto.
  • the above technique does not limit the relative positional relationship of the second pads 6 in adjacent rows and the signal transmission line 3 electrically connected to the second pads 6 in particular.
  • the signal transmission lines 3 electrically connected to the second pads 6 all have at least two bends, and are bound to a flexible display panel or a flexible structure. When the display panel is bent, the signal transmission line 3 at the bend is easily broken and the signal transmission is terminated.
  • the center point of each second pad 6 in the i+1th row along the first direction XX' is set, and the second pad 6 in the i-th row is between two adjacent second pads 6
  • the space along the first direction XX' of the m-division points of the first set of the bisector and the convergence point C are correspondingly located on the same straight line, that is, through the center point of the second gasket 6, the space bisector and The convergence point C is set regularly, which helps reduce the design difficulty of the second spacer 6 in the display panel and the wiring difficulty of the signal transmission line 7 electrically connected to the second spacer 6 at the same time, so that the In the distribution area of the second liner 6 to the second liner 6 of the i-th row along the second direction YY', the signal transmission lines 7 electrically connected to the second liner 6 of the i+1th row are arranged in a straight line, reducing the number of The signal transmission line 7 electrically connected to the two pads 6 has the number of three-dimensional
  • a signal transmission line 7 electrically connected to the second pad 6 of the i+2 row may be arranged along the space between the second pads 6 of the i+2 row.
  • the second set bisecting points of the m bisecting points in the first direction XX' are routed, n is greater than 2, i is less than n-1, and m is equal to n-i+1.
  • the display panel includes three rows of second pads 6, i is equal to 1, and the signal transmission line 7 electrically connected to the third row of second pads 6 passes through the first row of second pads
  • the space between 6 is routed along the m-division point in the first direction XX', that is, the second set bisecting point in the three-division points, and the three-division between two adjacent second pads 6
  • One of the three equal points can be selected as the first set equal point, and the other is the second set equal point.
  • Figures 5 and 8 exemplarily set three equal points
  • the one that is far away from the reference line CC' is the first set bisecting point E
  • the one of the thirds that is close to the reference line CC' is the second set bisecting point H
  • Figures 6 and 9 Set one of the three equal points close to the reference line CC' as the first set equal point E, and the one farther from the reference line CC' as the second set equal point H.
  • the signal that the second pads 6 in the i+1th row are electrically connected
  • the transmission line 7 is arranged in a straight line, which reduces the number of bending positions of the signal transmission line 7 electrically connected to the second pad 6, thereby reducing the probability that the signal transmission line 7 is broken when the flexible display panel is bent and the signal transmission is interrupted, thereby improving the display
  • the yield and reliability of the panel also ensure that the signal transmission lines 7 electrically connected to different second pads 6 do not affect each other, ensuring that the flexible structure accurately transmits signals to the flexible display panel.
  • FIG. 11 is a schematic diagram of a top view structure of a display device provided by an embodiment of the application.
  • the display device includes the flexible structure 8 and the flexible structure described in the foregoing embodiment.
  • the display panel 9 described in the above embodiment. 1 to 11, the flexible structure 8 is bound to the binding area 5 of the display panel, and the first gasket 2 in the flexible structure 8 is electrically connected to the second gasket 6 in the binding area 5 of the display panel 9 correspondingly ,
  • the flexible structure 8 transmits corresponding display signals to the display panel 9 through the first gasket 2 and the second gasket 5.
  • the display device may be an Organic Light Emitting Diode (OLED) display device, a Micro Light Emitting Diode (Micro LED) display device, or a liquid crystal display device, etc.
  • OLED Organic Light Emitting Diode
  • Micro LED Micro Light Emitting Diode
  • the display device may include a mobile phone, a computer, etc. Terminal Equipment.
  • FIG. 11 only exemplarily shows that the bonding method between the display panel and the driver IC chip is the COF bonding method, that is, the driver IC chip is set on the COF, and then the driver IC chip is bound to The COF is bound to the bonding area of the display panel, or the bonding method between the display panel and the driver IC chip is FPCB bonding, that is, the driver IC chip is set in the bonding area of the display panel, and the FPCB is bound to the display panel.
  • the bonding method between the display panel and the driver IC chip is the COF bonding method, that is, the driver IC chip is set on the COF, and then the driver IC chip is bound to The COF is bound to the bonding area of the display panel, or the bonding method between the display panel and the driver IC chip is FPCB bonding, that is, the driver IC chip is set in the bonding area of the display panel, and the FPCB is bound to the display panel.
  • the binding method of the display panel and the driver IC chip can also set to COP, that is Chip On Plasic, that is, set the flexible display substrate that constitutes the display panel to be bent, and the flexible display substrate can be set to bind
  • the driver chip is fixed, and the flexible display substrate and the FPCB are bent to the back of the display panel.
  • the embodiment of the present application does not limit the binding method between the display panel and the driver IC chip.

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Abstract

本申请公开了一种柔性结构、显示面板及显示装置，柔性结构包括基材；位于基材一侧的n排第一衬垫，每排第一衬垫沿第一方向排列；第一衬垫的虚拟延长线相对于沿第二方向的一基准线倾斜设置，所有第一衬垫的虚拟延长线相交于同一收敛点；其中，第一方向与第二方向相互垂直；第i+1排第一衬垫中每个第一衬垫在第一方向上的中心点、第i排第一衬垫中相邻两个第一衬垫之间的空间在第一方向上的m等分点中的第一设定等分点、以及收敛点对应位于同一条直线上，其中，n为大于1的整数，i为正整数，i小于n，m等于n-i+1。

Description

柔性结构、显示面板及显示装置
本申请要求在2019年11月11日提交中国专利局、申请号为201911096250.9的中国专利申请的优先权，该申请的全部内容通过引用结合在本申请中。
技术领域
本申请实施例涉及显示技术领域，例如一种柔性结构、显示面板及显示装置。
背景技术
随着柔性显示面板分辨率的提高，柔性显示面板绑定区的衬垫尺寸随之逐渐减小，衬垫的密集程度逐渐增加，同样的，需要对应绑定区贴附的柔性结构上的衬垫尺寸也逐渐减小，衬垫的密集程度逐渐增加，使得在绑定柔性显示面板与柔性结构时，衬垫容易产生错位甚至导致断路。
另外，柔性显示面板和柔性结构在弯折过程中产生的形变以及温度和湿度因素，同样使得在绑定柔性显示面板与柔性结构时，衬垫容易错位甚至导致断路，影响柔性结构向柔性显示面板的信号传输过程，进而影响显示面板进行正常显示。
发明内容
本申请提供一种柔性结构、显示面板及显示装置，在降低了衬垫错位导致断路的概率，提高了柔性显示面板与柔性结构的绑定良率和绑定的可靠性的同时，有利于降低柔性结构中第一衬垫的设计难度。
第一方面，本申请实施例提供了一种柔性结构，包括：
基材；
位于所述基材一侧的n排第一衬垫，每排所述第一衬垫沿第一方向排列；
所述第一衬垫的虚拟延长线相对于沿第二方向的一基准线倾斜设置，所有 所述第一衬垫的虚拟延长线相交于同一收敛点；其中，所述第一方向与所述第二方向相互垂直；
第i+1排所述第一衬垫中每个所述第一衬垫在所述第一方向上的中心点、第i排所述第一衬垫中相邻两个第一衬垫之间的空间在所述第一方向上的m等分点中的第一设定等分点、以及所述收敛点对应位于同一条直线上，其中，n为大于1的整数，i为正整数，i小于n，m等于n-i+1。
第二方面，本申请实施例还提供了一种显示面板，包括：
柔性显示基板；
位于所述柔性显示基板一侧的绑定区的n排第二衬垫，每排所述第二衬垫沿第一方向排列；
所述第二衬垫的虚拟延长线相对于沿第二方向的一基准线倾斜设置，所有所述第二衬垫的虚拟延长线相交于同一收敛点；其中，所述第一方向与所述第二方向相互垂直；
第i+1排所述第二衬垫中每个所述第二衬垫在所述第一方向上的中心点、第i排所述第二衬垫中相邻两个第二衬垫之间的空间在所述第一方向上的m等分点中的第一设定等分点、以及所述收敛点对应位于同一条直线上，其中，n为大于1的整数，i为正整数，i小于n，m等于n-i+1。
第三方面，本申请实施例还提供了一种显示装置，其特征在于，包括如第一方面所述的柔性结构和如第二方面所述的显示面板，所述柔性结构绑定于所述显示面板的绑定区，所述柔性结构中的所述第一衬垫与所述显示面板的绑定区中的所述第二衬垫对应电连接。
本申请实施例提供了一种柔性结构、显示面板及显示装置，柔性结构包括基材以及位于基材一侧的n排第一衬垫，每排第一衬垫沿第一方向排列。第一衬垫的虚拟延长线相对于沿第二方向的基准线倾斜设置，所有第一衬垫的虚拟延长线相交于同一收敛点，第一方向与第二方向相互垂直。第i+1排中每个第一衬垫在第一方向上的中心点、第i排第一衬垫中相邻两个第一衬垫之间的空间沿第 一方向的m等分点中的第一设定等分点以及收敛点对应位于同一条直线上，n为大于1的整数，i为正整数，i小于n，m等于n-i+1，在降低了衬垫错位导致断路的概率，提高了柔性显示面板与柔性结构的绑定良率和绑定的可靠性的同时，有利于降低柔性结构中第一衬垫的设计难度。
附图说明
图1为本申请一实施例提供的一种柔性结构的俯视结构示意图；
图2为本申请一实施例提供的另一种柔性结构的俯视结构示意图；
图3为本申请一实施例提供的又一种柔性结构的俯视结构示意图；
图4为本申请一实施例提供的显示面板的俯视结构示意图；
图5为本申请一实施例提供的另一种显示面板的俯视结构示意图；
图6为本申请一实施例提供的又一种显示面板的俯视结构示意图；
图7为本申请一实施例提供的一种显示面板中第一衬垫及其电连接的信号传输线的俯视结构示意图；
图8为本申请一实施例提供的另一种显示面板中第一衬垫及其电连接的信号传输线的俯视结构示意图；
图9为本申请一实施例提供的又一种显示面板中第一衬垫及其电连接的信号传输线的俯视结构示意图；
图10为一显示面板中第二衬垫及其电连接的信号传输线的结构示意图；
图11为本申请一实施例提供的一种显示装置的俯视结构示意图。
具体实施方式
随着柔性显示面板分辨率的提高，柔性显示面板中需要进行大量的数据输入与数据输出，柔性显示面板绑定区的衬垫尺寸随之逐渐减小，衬垫的密集程度逐渐增加，同样的，需要对应绑定区贴附的柔性结构上的衬垫尺寸也逐渐减小，衬垫的密集程度逐渐增加，尺寸较小且排布较密集的衬垫使得在绑定柔性 显示面板与柔性结构时，衬垫容易产生错位甚至导致断路，影响柔性结构向柔性显示面板的信号传输过程。另外，柔性显示面板和柔性结构在弯折的过程中产生的形变使得二者中的衬垫发生尺寸以及位置的变化，且在绑定柔性显示面板与柔性结构时需要采用高温高压工艺，柔性显示面板以及柔性结构中使用的聚酰亚胺(Polyimide，PI)基材对温度和湿度较为敏感，容易收缩或者膨胀，同样使得在绑定柔性显示面板与柔性结构时，衬垫容易错位甚至导致断路，影响柔性结构向柔性显示面板的信号传输过程，进而影响显示面板进行正常显示。
本申请实施例设置有倾斜延伸的第一衬垫且第一衬垫对应的虚拟延长线均相交于同一收敛点，每排的第一衬垫沿第一方向分散排布，可以通过调节柔性结构与柔性显示面板在第二方向上的相对位置使得柔性显示面板和柔性结构上对应的衬垫准确对应，降低衬垫错位导致断路的概率，提高柔性显示面板与柔性结构的绑定良率和绑定的可靠性。同时，设置第i+1排第一衬垫在第一方向上的中心点、第i排第一衬垫中相邻两个第一衬垫之间的空间沿第一方向的m等分点中的第一设定等分点以及收敛点对应位于同一条直线上，对第一衬垫的中心点、空间等分点以及收敛点进行规律性设置，有利于降低柔性结构中第一衬垫的设计难度。
图1为本申请一实施例提供的一种柔性结构的俯视结构示意图。如图1所示，柔性结构包括基材1以及位于基材1一侧的n排第一衬垫2，每排第一衬垫2沿第一方向XX’排列，第一衬垫2的虚拟延长线相对于沿第二方向YY’的一基准线CC’倾斜设置，所有第一衬垫2的虚拟延长线相交于同一收敛点C，第一方向XX’与第二方向YY’相互垂直。第i+1排第一衬垫2中每个第一衬垫2沿第一方向XX’的中心点、第i排第一衬垫2中相邻两个第一衬垫2之间的空间在第一方向XX’上的m等分点中的第一设定等分点、以及收敛点C对应位于同一条直线上，n为大于1的整数，i为正整数，i小于n，m等于n-i+1。
图1示例性地设置n等于2，即柔性结构包括位于基材1一侧的两排第一衬垫2，第一衬垫2的虚拟延长线可以理解为平行于第一衬垫2的延长方向且穿过 第一衬垫2在第一方向XX’上的中心点。为了便于说明，以靠近收敛点C一侧的一排第一衬垫2作为第一排第一衬垫2，例如虚线a为第二排中对应第一衬垫2的虚拟延长线，虚线b为第一排中对应第一衬垫2的虚拟延长线。第一衬垫2的虚拟延长线相对于基准线CC’倾斜设置，即第一衬垫2相对于基准线CC’倾斜设置，所有第一衬垫2的虚拟延长线相交于同一收敛点C，即所有第一衬垫2的虚拟延长线收敛于同一点，加之第一衬垫2相对于基准线CC’倾斜设置，使得第一衬垫2沿第一方向XX’较好地分散排布。
示例性的，如图1所示，i等于1，则第二排中每个第一衬垫2沿第一方向XX’的中心点为A，第一排第一衬垫2中相邻两个第一衬垫2之间的空间沿第一方向XX’的m等分点中的第一设定等分点为B，m等于n-i+1，m等分点即二等分点，图1中d1等于d2，由于二等分点只有一个，二等分点中的第一设定等分点即为二等分点本身，A、B和收敛点C位于同一直线上。
图2为本申请一实施例提供的另一种柔性结构的俯视结构示意图，图3为本申请一实施例提供的又一种柔性结构的俯视结构示意图。与图1所示结构的柔性结构不同的是，图2所示结构的柔性结构示例性地设置n等于3，即柔性结构包括位于基材1一侧的三排第一衬垫2，距离收敛点C由近及远，分别为第一排第一衬垫2、第二排第一衬垫2以及第三排第一衬垫2。第i+1排中每个第一衬垫2沿第一方向XX’的中心点、第i排中对应的相邻两个第一衬垫2之间的空间沿第一方向XX’的m等分点中的第一设定等分点、以及收敛点C对应位于同一条直线上，其中的对应是指前述描述中心点的第一衬垫2对应前述描述m等分点的相邻的两个第一衬垫2沿第一方向XX’所在区域设置。
在i等于1的情况下，第二排中每个第一衬垫2沿第一方向XX’的中心点为D，第一排第一衬垫2中相邻两个第一衬垫2之间的空间沿第一方向XX’的m等分点中的第一设定等分点为E，m等于n-i+1，m等分点即三等分点，图2和图3中d3等于d4等于d5，相邻两个第一衬垫2之间的三等分点包括两个，可以选定其中的一个三等分点作为第一设定等分点，图2示例性地设置三等分点 中远离基准线CC’的一个为第一设定等分点，也可以如图3所示设置三等分点中临近基准线CC’的一个为第一设定等分点，D、E和收敛点C位于同一直线上。同样的，在i等于2的情况下，第三排中每个第一衬垫2沿第一方向XX’的中心点为F，第二排第一衬垫2中相邻两个第一衬垫2之间的空间沿第一方向XX’的m等分点，m等于n-i+1，m等分点即二等分点，图2和图3中d6等于d7，由于二等分点只有一个，二等分点中的第一设定等分点即为二等分点本身，即为G，F、G和收敛点C位于同一直线上。
结合图1至图3，在柔性结构的尺寸沿第一方向XX’发生变化，即第一衬垫2沿第一方向XX’的尺寸和位置发生变化的情况下，由于第一衬垫2均倾斜设置且对应的虚拟延长线均相交于同一收敛点C，每排的第一衬垫2沿第一方向XX’分散排布，在绑定柔性显示面板与柔性结构时，可以调节柔性结构与柔性显示面板在第二方向YY’上的相对位置后再进行绑定，从而保证在第一方向XX’上第一衬垫2的尺寸和位置的变化在一定范围内时，均可以通过调节柔性结构与柔性显示面板在第二方向YY’上的相对位置使得柔性显示面板和柔性结构上对应的衬垫准确对应，降低衬垫错位导致断路的概率，提高柔性显示面板与柔性结构的绑定良率和绑定的可靠性。同时，设置第i+1排中每个第一衬垫2沿第一方向XX’的中心点、第i排第一衬垫2中相邻两个第一衬垫2之间的空间沿第一方向XX’的m等分点中的第一设定等分点以及收敛点C对应位于同一条直线上，对第一衬垫2的中心点、空间等分点以及收敛点C进行规律性设置，有利于降低柔性结构中第一衬垫2的设计难度。
另外，由于第一衬垫2均倾斜设置且对应的虚拟延长线均相交于同一收敛点C，每排的第一衬垫2沿第一方向XX’很好地分散排布，即使得同一排第一衬垫2中，沿第一方向XX’距离基准线CC’越远的第一衬垫2的虚拟延长线与基准线CC’的夹角越大，即越靠近柔性结构沿第一方向XX’的边缘位置，第一衬垫2的倾斜角度越大，柔性显示面板在受力时其边缘区域相较于中心区域更容易发生尺寸的变化即发生变形，设置越靠近柔性结构沿第一方向XX’的边缘 位置第一衬垫2的倾斜角度相较于远离柔性结构沿第一方向XX’的边缘位置第一衬垫2的倾斜角度更大，有利于通过调节柔性结构与柔性显示面板在第二方向YY’上的相对位置以提高柔性显示面板和柔性结构的边缘区域设置的衬垫进行对位的准确性，以降低衬垫错位导致断路的概率，提高柔性显示面板与柔性结构的绑定良率和绑定的可靠性。
可选地，结合图1至图3，沿第一方向XX’，可以设置每排第一衬垫2相对于基准线CC’呈对称分布。示例性的，对于一排第一衬垫2，可以设置基准线CC’上设置有第一衬垫2，例如图1中的第一排第一衬垫2，则可以将第一排中位于基准线CC’左右两侧的第一衬垫2相对于位于基准线CC’上的中心第一衬垫2左右对称设置。对于一排第一衬垫2，也可以设置基准线CC’上未设置有第一衬垫2，例如图1中的第二排第一衬垫2，则可以将第二排中位于基准线CC’左右两侧的第一衬垫2相对于基准线CC’左右对称设置，以降低柔性结构中第一衬垫2的设计难度。
可选地，结合图1和图3，可以设置同一排第一衬垫2沿第二方向YY’的长度d0相同。示例性的，在柔性结构的尺寸沿第一方向XX’发生变化，即第一衬垫2沿第一方向XX’的尺寸和位置发生变化的情况下，在绑定柔性显示面板与柔性结构时调节柔性结构与柔性显示面板在第二方向YY’上的相对位置，在同一排第一衬垫2沿第二方向YY’的长度d0不相同的情况下，沿第二方向YY’调整柔性显示面板和柔性结构的相对位置时，沿第二方向YY’的长度不同的一排第一衬垫2为避免错位导致断路所留出来的允许余量不同，导致在沿第二方向YY’调整柔性显示面板和柔性结构的相对位置时，部分第一衬垫2已经可以调整到不会存在断路问题的位置，部分第一衬垫2还没有调整到不会存在断路问题的位置，增加了绑定柔性显示面板和柔性结构时为了避免断路问题在第二方向YY’上调整柔性显示面板和柔性结构相对位置的难度.
本申请实施例设置同一排第一衬垫2沿第二方向YY’的长度相同，沿第二方向YY’调整柔性显示面板和柔性结构的相对位置时，沿第二方向YY’的长度 不同的一排第一衬垫2为避免错位导致的断路所留出来的允许余量相同，提高了沿第二方向YY’调整柔性显示面板和柔性结构的相对位置时，第一衬垫2同步调整到不会存在断路问题位置的概率，降低了绑定柔性显示面板和柔性结构时为了避免断路问题在第二方向YY’上调整柔性显示面板和柔性结构相对位置的难度。
可选地，结合图1至图3，柔性结构可以包括覆晶薄膜(Chip On Film，COF)，可以将对显示面板进行驱动的驱动集成电路芯片(Integrated Circuit Chip，IC)设置在COF上，在将COF与显示面板的绑定区进行绑定，通过对COF上的第一衬垫2形状以及排列位置的设置，可以通过调节COF与柔性显示面板在第二方向YY’上的相对位置使得柔性显示面板和COF上对应的衬垫准确对应，降低衬垫错位导致断路的概率，提高柔性显示面板与COF的绑定良率和绑定的可靠性，同时对第一衬垫2的中心点、空间等分点以及收敛点进行规律性设置，有利于降低COF中第一衬垫2的设计难度。
可选地，结合图1至图3，柔性结构也可以包括柔性印刷电路板(Flexible Printed Circuit Board，FPCB)，在将FPCB与显示面板的绑定区进行绑定，通过对FPCB上的第一衬垫2形状以及排列位置的设置，可以通过调节FPCB与柔性显示面板在第二方向YY’上的相对位置使得柔性显示面板和FPCB上对应的衬垫准确对应，降低衬垫错位导致断路的概率，提高柔性显示面板与FPCB的绑定良率和绑定的可靠性，同时对第一衬垫2的中心点、空间等分点以及收敛点进行规律性设置，有利于降低FPCB中第一衬垫2的设计难度。
本申请实施例还提供了一种显示面板，图4为本申请一实施例提供的显示面板的俯视结构示意图，如图4所示，显示面板包括柔性显示基板4以及位于柔性显示基板4一侧的绑定区5的n排第二衬垫6，每排第二衬垫6沿第一方向XX’排列，第二衬垫6的虚拟延长线相对于沿第二方向YY’的一基准线CC’倾斜设置，所有第二衬垫6的虚拟延长线相交于同一收敛点C，第一方向XX’与第二方向YY’相互垂直。第i+1排第二衬垫6中每个第二衬垫6沿第一方向XX’ 的中心点、第i排第二衬垫6中相邻两个第二衬垫6之间的空间在第一方向XX’上的m等分点中的第一设定等分点、以及收敛点C对应位于同一条直线上，n为大于1的整数，i为正整数，i小于n，m等于n-i+1。
图4示例性地设置n等于2，即显示面板包括位于柔性显示基板4一侧的两排第二衬垫6，第二衬垫6的虚拟延长线可以理解为平行于第二衬垫6的延长方向且穿过第二衬垫6在第一方向XX’上的中心点，为了便于说明，以靠近收敛点C一侧的一排第二衬垫6作为第一排第二衬垫6，以远离收敛点C一侧的一排第二衬垫6作为第二排第二衬垫6，例如虚线a为第二排中对应第二衬垫6的虚拟延长线，虚线b为第一排中对应第二衬垫6的虚拟延长线。第二衬垫6的虚拟延长线相对于基准线CC’倾斜设置，即第二衬垫6相对于基准线CC’倾斜设置，所有第二衬垫6的虚拟延长线相交于同一收敛点C，即所有第二衬垫6的虚拟延长线收敛于同一点，加之第二衬垫6相对于基准线CC’倾斜设置，使得第二衬垫6沿第一方向XX’较好地分散排布。
示例性的，如图4所示，i等于1，则第二排中每个第二衬垫6沿第一方向XX’的中心点为A，第一排第二衬垫6中相邻两个第二衬垫6之间的空间沿第一方向XX’的m等分点中的第一设定等分点为B，m等于n-i+1，m等分点即二等分点，图8中d1等于d2，由于二等分点只有一个，二等分点中的第一设定等分点即为二等分点本身，A、B和收敛点C位于同一直线上。
图5为本申请一实施例提供的另一种显示面板的俯视结构示意图，图6为本申请一实施例提供的又一种显示面板的俯视结构示意图。与图4所示结构的显示面板不同的是，图5及图6所示结构的显示面板示例性地设置n等于3，即显示面板包括位于柔性显示基板4一侧的三排第二衬垫6，距离收敛点C由近及远，分别为第一排第二衬垫6、第二排第二衬垫6以及第三排第二衬垫6。第i+1排中每个第二衬垫6沿第一方向XX’的中心点、第i排对应的相邻两个第二衬垫6之间的空间沿第一方向XX’的m等分点中的第一设定等分点、以及收敛点C对应位于同一条直线上中的对应是指前述描述中心点的第二衬垫6对应前述描 述m等分点的相邻的两个第二衬垫6沿第一方向XX’所在区域设置。
在i等于1的情况下，第二排中每个第二衬垫6沿第一方向XX’的中心点为D，第一排第二衬垫6中相邻两个第二衬垫6之间的空间沿第一方向XX’的m等分点中的第一设定等分点为E，m等于n-i+1，m等分点即三等分点，图5和图6中d3等于d4等于d5，相邻两个第二衬垫6之间的三等分点包括两个，可以选定其中的一个三等分点作为第一设定等分点，图5示例性地设置三等分点中远离基准线CC’的一个为第一设定等分点，也可以如图6所示设置三等分点中临近基准线CC’的一个为第一设定等分点，D、E和收敛点C位于同一直线上。同样的，在i等于2的情况下，第三排中每个第二衬垫6沿第一方向XX’的中心点为F，第二排第二衬垫6中相邻两个第二衬垫6之间的空间沿第一方向XX’的m等分点，m等于n-i+1，m等分点即二等分点，图5和图6中d6等于d7，由于二等分点只有一个，二等分点中的第一设定等分点即为二等分点本身，记为G，F、G和收敛点C位于同一直线上。
结合图4至图7，在显示面板的尺寸沿第一方向XX’发生变化，即第二衬垫6沿第一方向XX’的尺寸和位置发生变化的情况下，由于第二衬垫6均倾斜设置且对应的虚拟延长线均相交于同一收敛点C，每排的第二衬垫6沿第一方向XX’很好地分散排布，在绑定柔性显示面板与柔性结构时，可以调节柔性结构与柔性显示面板在第二方向YY’上的相对位置后再进行绑定，从而保证在第一方向XX’上第二衬垫6的尺寸和位置的变化在一定范围内时，均可以通过调节柔性结构与柔性显示面板在第二方向YY’上的相对位置，使得柔性显示面板和柔性结构上对应的衬垫准确对应，降低衬垫错位导致断路的概率，提高柔性显示面板与柔性结构的绑定良率和绑定的可靠性。同时，设置第i+1排中每个第二衬垫6沿第一方向XX’的中心点、第i排第二衬垫6中相邻两个第二衬垫6之间的空间沿第一方向XX’的m等分点中的第一设定等分点以及收敛点C对应位于同一条直线上，对第二衬垫6的中心点、空间等分点以及收敛点C进行规律性设置，有利于降低显示面板中第二衬垫6的设计难度以及与第二衬垫6电连接的信号 传输线7的走线难度。
另外，由于第二衬垫6均倾斜设置且对应的虚拟延长线均相交于同一收敛点C，每排的第二衬垫6沿第一方向XX’很好地分散排布，即使得同一排第二衬垫6中，沿第一方向XX’距离基准线CC’越远的第二衬垫6的虚拟延长线与基准线CC’的夹角越大，即越靠近显示面板沿第一方向XX’的边缘位置，第二衬垫6的倾斜角度越大，柔性显示面板在受力时其边缘区域相较于中心区域更容易发生尺寸的变化即发生变形，设置越靠近显示面板沿第一方向XX’的边缘位置第二衬垫6的倾斜角度相较于远离显示面板沿第一方向XX’的边缘位置第二衬垫6的倾斜角度更大，有利于通过调节显示面板与柔性显示面板在第二方向YY’上的相对位置，以提高柔性显示面板和显示面板的边缘区域设置的衬垫进行对位的准确性，以降低衬垫错位导致断路的概率，提高柔性显示面板与柔性结构的绑定良率和绑定的可靠性。
可选地，结合图4至图7，沿第一方向XX’，可以设置每排第二衬垫6相对于基准线CC’呈对称分布。示例性的，对于一排第二衬垫6，可以设置基准线CC’上设置有第二衬垫6，例如图4中的第一排第二衬垫6，则可以将第一排中位于基准线CC’左右两侧的第二衬垫6相对于位于基准线CC’上的中心第二衬垫6左右对称设置。对于一排第二衬垫6，也可以设置基准线CC’上未设置有第二衬垫6，例如图4中的第二排第二衬垫6，则可以将第二排位于基准线CC’左右两侧的第二衬垫6相对于基准线CC’左右对称设置，以降低显示面板中第二衬垫6的设计难度以及与第二衬垫6电连接的信号传输线7的走线难度。
可选地，结合图4和图6，可以设置同一排第二衬垫6沿第二方向YY’的长度d0相同。示例性的，在显示面板的尺寸沿第一方向XX’发生变化，即第二衬垫6沿第一方向XX’的尺寸和位置发生变化的情况下，在绑定柔性显示面板与柔性结构时，调节柔性结构与柔性显示面板在第二方向YY’上的相对位置，在同一排第二衬垫6沿第二方向YY’的长度d0不相同的情况下，沿第二方向YY’调整柔性显示面板和柔性结构的相对位置时，沿第二方向YY’的长度不同的一 排第二衬垫6为避免错位导致的断路所留出来的允许余量不同，导致在沿第二方向YY’调整柔性显示面板和柔性结构的相对位置时，部分第二衬垫6已经可以调整到不会存在断路问题的位置，部分第二衬垫6还没有调整到不会存在断路问题的位置，增加了绑定柔性显示面板和柔性结构时为了避免断路问题，在第二方向YY’上调整柔性显示面板和柔性结构相对位置的难度.
本申请实施例同一排第二衬垫6沿第二方向YY’的长度相同，沿第二方向YY’调整柔性显示面板和柔性结构的相对位置时，沿第二方向YY’的长度不同的一排第二衬垫6为避免错位导致的断路所留出来的允许余量相同，提高了沿第二方向YY’调整柔性显示面板和柔性结构的相对位置时，第二衬垫6同步调整到不会存在断路问题的位置的概率，降低了绑定柔性显示面板和柔性结构时为了避免断路问题，在第二方向YY’上调整柔性显示面板和柔性结构相对位置的难度。
图7为本申请一实施例提供的一种显示面板中第二衬垫及其电连接的信号传输线的俯视结构示意图，图8为本申请一实施例提供的另一种显示面板中第二衬垫及其电连接的信号传输线的俯视结构示意图，图9为本申请一实施例提供的又一种显示面板中第一衬垫及其电连接的信号传输线的俯视结构示意图，其中图7对应图4中第二衬垫6的排布方式，图8对应图5中第二衬垫6的排布方式，图9对应图6中第二衬垫6的排布方式。结合图4至图9，可以设置在第i+1排第二衬垫6至第i排第二衬垫6沿第二方向YY’的分布区域内，与第i+1排第二衬垫6电连接的信号传输线7呈直线设置。
示例性的，结合图4和图7，i等于1，则在第二排第二衬垫6至第一排第二衬垫沿第二方向YY’的分布区域f1内，与第二排第二衬垫6电连接的信号传输线7呈直线。结合图8和图9，i等于1的情况下，则在第二排第二衬垫6至第一排第二衬垫沿第二方向YY’的分布区域f2内，与第二排第二衬垫6电连接的信号传输线7呈直线设置，在i等于2的情况下，则在第三排第二衬垫6至第二排第二衬垫沿第二方向YY’的分布区域f3内，与第三排第二衬垫6电连接的 信号传输线7呈直线设置。
图10为一种显示面板中第二衬垫及其电连接的信号传输线的结构示意图。如图10所示，上述技术并没有对相邻排第二衬垫6的相对位置关系以及与第二衬垫6电连接的信号传输线3进行特别的位置关系的限定，在任意相邻的两排第二衬垫6沿第二方向YY’的分布区域f4内，与第二衬垫6电连接的信号传输线3均具有至少两处弯折，在柔性显示面板或者绑定有柔性结构的柔性显示面板进行弯折的时候，弯折处的信号传输线3容易断裂导致信号传输终止。
本申请实施例通过设置第i+1排中的每个第二衬垫6沿第一方向XX’的中心点、第i排第二衬垫6中相邻两个第二衬垫6之间的空间沿第一方向XX’的m等分点中的第一设定等分点以及收敛点C对应位于同一条直线上，即通过对第二衬垫6的中心点、空间等分点以及收敛点C进行规律性设置，在有利于降低显示面板中第二衬垫6的设计难度以及与第二衬垫6电连接的信号传输线7的走线难度的同时，使得在第i+1排第二衬垫6至第i排第二衬垫6沿第二方向YY’的分布区域内，与第i+1排第二衬垫6电连接的信号传输线7呈直线设置，减少了与第二衬垫6电连接的信号传输线7存在三维弯折位置的数量，进而降低了在显示面板或者绑定有柔性结构的柔性显示面板弯折时，信号传输线7断裂导致信号传输的中断的概率，提高了显示面板的良率和可靠性。
可选地，结合图5、图6以及图8和图9，可以设置与第i+2排第二衬垫6电连接的信号传输线7经由第i排第二衬垫6之间的空间沿第一方向XX’的m等分点中的第二设定等分点进行走线，n大于2，i小于n-1，m等于n-i+1。示例性的，以n等于3为例，即显示面板包括三排第二衬垫6，i等于1，与第三排第二衬垫6电连接的信号传输线7经由第一排第二衬垫6之间的空间沿第一方向XX’的m等分点，即三等分点中的第二设定等分点进行走线，相邻两个第二衬垫6之间的三等分点包括两个，可以选定其中的一个三等分点作为第一设定等分点，则另一个则为第二设定等分点，图5和图8示例性地设置三等分点中远离基准线CC’的一个为第一设定等分点E，三等分点中临近基准线CC’的一 个为第二设定等分点H，也可以如图6和图9所示设置三等分点中临近基准线CC’的一个为第一设定等分点E，远离基准线CC’的一个为第二设定等分点H。
这样，在通过设置在第i+1排第二衬垫6至第i排第二衬垫6沿第二方向YY’的分布区域内，第i+1排第二衬垫6电连接的信号传输线7呈直线设置，减少了与第二衬垫6电连接的信号传输线7存在弯折位置的数量，进而降低了柔性显示面板弯折时，信号传输线7断裂导致信号传输中断的概率，提高显示面板的良率和可靠性的同时，使得与不同第二衬垫6电连接的信号传输线7互不影响，确保柔性结构向柔性显示面板准确传输信号。
本申请实施例还提供了一种显示装置，图11为本申请一实施例提供的一种显示装置的俯视结构示意图，如图11所示，显示装置包括上述实施例所述的柔性结构8以及上述实施例所述的显示面板9。结合图1至图11，柔性结构8绑定于显示面板的绑定区5，柔性结构8中的第一衬垫2与显示面板9的绑定区5中的第二衬垫6对应电连接，柔性结构8通过第一衬垫2和第二衬垫5向显示面板9传输相应的显示用信号。示例性地，显示装置可以为有机发光二极管(Organic Light Emitting Diode，OLED)显示装置、微型发光二极管(Micro Light Emitting Diode，Micro LED)显示装置或者液晶显示装置等，显示装置可以包括手机、电脑等终端设备。
需要说明的是，图11仅示例性地示出了显示面板与驱动IC芯片之间的绑定方式为COF绑定方式，即将驱动IC芯片设置于COF上，再将绑定有驱动IC芯片的COF与显示面板的绑定区绑定，或者显示面板与驱动IC芯片之间的绑定方式为FPCB绑定方式，即驱动IC芯片设置于显示面板的绑定区，将FPCB与显示面板的绑定区绑定，也可以设置显示面板与驱动IC芯片的绑定方式为COP，即Chip On Plasic，即设置构成显示面板的柔性显示基板采用可弯折所料，可以将柔性显示基板设置为绑定驱动芯片，将柔性显示基板和FPCB弯折至显示面板的背面，本申请实施例对显示面板与驱动IC芯片之间的绑定方式不作限定。

Claims (16)

  1. 一种柔性结构，包括：
    基材；
    位于所述基材一侧的n排第一衬垫，每排所述第一衬垫沿第一方向排列；
    所述第一衬垫的虚拟延长线相对于沿第二方向的一基准线倾斜设置，所有所述第一衬垫的虚拟延长线相交于同一收敛点；其中，所述第一方向与所述第二方向相互垂直；
    第i+1排所述第一衬垫中每个所述第一衬垫在所述第一方向上的中心点、第i排所述第一衬垫中相邻两个第一衬垫之间的空间在所述第一方向上的m等分点中的第一设定等分点、以及所述收敛点对应位于同一条直线上，其中，n为大于1的整数，i为正整数，i小于n，m等于n-i+1。
  2. 根据权利要求1所述的柔性结构，其中，沿所述第一方向，每排的所述第一衬垫相对于所述基准线呈对称分布。
  3. 根据权利要求1所述的柔性结构，其中，同一排所述第一衬垫沿所述第二方向的长度相同。
  4. 根据权利要求1所述的柔性结构，包括覆晶薄膜COF或者柔性印刷电路板FPCB。
  5. 根据权利要求1所述的柔性结构，其中，所述第一衬垫的虚拟延长线平行于所述第一衬垫的延长方向，且穿过所述第一衬垫在第一方向上的中心点。
  6. 一种显示面板，包括：
    柔性显示基板；
    位于所述柔性显示基板一侧的绑定区的n排第二衬垫，每排所述第二衬垫沿第一方向排列；
    所述第二衬垫的虚拟延长线相对于沿第二方向的一基准线倾斜设置，所有所述第二衬垫的虚拟延长线相交于同一收敛点；其中，所述第一方向与所述第二方向相互垂直；
    第i+1排所述第二衬垫中每个所述第二衬垫在所述第一方向上的中心点、第 i排所述第二衬垫中相邻两个第二衬垫之间的空间在所述第一方向上的m等分点中的第一设定等分点、以及所述收敛点对应位于同一条直线上，其中，n为大于1的整数，i为正整数，i小于n，m等于n-i+1。
  7. 根据权利要求6所述的显示面板，其中，沿所述第一方向，每排的所述第二衬垫相对于所述基准线呈对称分布。
  8. 根据权利要求6所述的显示面板，其中，同一排所述第二衬垫沿所述第二方向的长度相同。
  9. 根据权利要求6所述的显示面板，其中，与第i+1排所述第二衬垫电连接的信号传输线在所述第i+1排所述第二衬垫至第i排所述第二衬垫的分布区域内呈直线。
  10. 根据权利要求9所述的显示面板，其中，与第i+2排所述第二衬垫电连接的信号传输线经由第i排所述第二衬垫之间的空间沿所述第一方向的m等分点中的第二设定等分点进行走线。
  11. 根据权利要求6所述的显示面板，其中，所述第二衬垫的虚拟延长线平行于所述第二衬垫的延长方向且穿过所述第二衬垫在第一方向上的中心点。
  12. 根据权利要求9所述的显示面板，其中，以靠近所述收敛点一侧的一排所述第二衬垫作为第一排所述第二衬垫，以远离所述收敛点一侧的一排所述第二衬垫作为第二排所述第二衬垫，在n＝2，i＝1的情况下，在第二排所述第二衬垫至第一排所述第二衬垫沿第二方向的分布区域内，与第二排所述第二衬垫电连接的所述信号传输线呈直线。
  13. 根据权利要求9所述的显示面板，其中，距离所述收敛点由近及远，分别为第一排所述第二衬垫、第二排所述第二衬垫以及第三排所述第二衬垫，在n＝3，i＝1的情况下，在第二排所述第二衬垫至第一排所述第二衬垫沿第二方向的分布区域内，与第二排所述第二衬垫电连接的所述信号传输线呈直线，在n＝3，i＝2的情况下，与第三排所述第二衬垫电连接的所述信号传输线在第三排所述第二衬垫至第二排所述第二衬垫沿第二方向的分布区域内，与第三排所述 第二衬垫电连接的所述信号传输线呈直线。
  14. 一种显示装置，包括如权利要求1-5任一项所述的柔性结构和如权利要求6-13任一项所述的显示面板，所述柔性结构绑定于所述显示面板的绑定区，所述柔性结构中的所述第一衬垫与所述显示面板的绑定区中的所述第二衬垫对应电连接。
  15. 根据权利要求14所述的显示装置，包括有机发光二极管OLED显示装置、微型发光二极管Micro LED显示装置或者液晶显示装置。
  16. 根据权利要求14所述的显示装置，包括手机及电脑。
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