CN108133669A - A kind of flexible display screen and binding method, display device - Google Patents
A kind of flexible display screen and binding method, display device Download PDFInfo
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- CN108133669A CN108133669A CN201810068706.XA CN201810068706A CN108133669A CN 108133669 A CN108133669 A CN 108133669A CN 201810068706 A CN201810068706 A CN 201810068706A CN 108133669 A CN108133669 A CN 108133669A
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- face
- flexible
- circuit board
- binding
- lead wire
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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
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/18—Printed circuits structurally associated with non-printed electric components
- H05K1/189—Printed circuits structurally associated with non-printed electric components characterised by the use of a flexible or folded printed circuit
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/321—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by conductive adhesives
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Manufacturing & Machinery (AREA)
Abstract
The present invention discloses a kind of flexible display screen and binding method, display device, is related to flexible display technologies field, while display device border width is not increased, to ensure that flexible lead wire and circuit board realize binding completely.The flexible display screen includes circuit board and flexible lead wire, and circuit board has multiple binding faces, multiple stepped arrangements in binding face；Flexible lead wire includes multiple wire contacts faces that multiple flexibilities are opened up along flexible lead wire thickness direction, multiple stepped arrangements in wire contacts face, and multiple binding faces are corresponded with multiple wire contacts faces；Each wire contacts face is bound together with corresponding binding face.The binding method is applied to binding flexible lead wire and circuit board, forms above-mentioned flexible display screen.Flexible display screen and binding method provided by the invention, display device are used for Flexible Displays.
Description
Technical field
The present invention relates to flexible display technologies field more particularly to a kind of flexible display screen and binding method, display devices.
Background technology
Flexible display is a kind of flexible display equipment, realizes that picture shows have using electroluminescent technology
Compare high pixel so that flexible display narrow frame.Common flexible display includes flexible base board and is formed in soft
Display device array on property substrate.
As depicted in figs. 1 and 2, display device array is bundled in one by the flexible lead wire 1 of frame region with circuit board 2
It rises.In general, each trace layer is stacked in alternating expression so that circuit board 2 and the top of flexible lead wire 1 are bound, with reality
Existing each trace layer is bound with circuit board 2；And since flexible lead wire 1 is along the width direction arrangement of frame region so that each
When trace layer is bound with circuit board 2, each trace layer binds width side of the required conduct piece along frame region with circuit board 2
To arrangement.
However, with the development of flexible display technologies, the pixel of flexible display is higher and higher, this causes flexible display
Frame region further narrow, the border width for leading to flexible display is smaller, it is difficult to guarantee there are enough spaces to cause
Each trace layer is arranged with the conduct piece needed for circuit board binding along border width direction so that flexible lead wire is difficult with circuit board
To bind completely.
Invention content
The purpose of the present invention is to provide a kind of flexible display screen and binding method, display device, not increase display
While device border width, ensure that flexible lead wire realizes binding completely with circuit board.
To achieve these goals, the present invention provides following technical solution：
A kind of flexible display screen, the flexible display screen include circuit board and flexible lead wire, and the circuit board has multiple tie up
Determine face, multiple stepped arrangements in binding face；The flexible lead wire includes multiple flexibilities along flexible lead wire thickness direction
The multiple wire contacts faces opened up, multiple stepped arrangements in wire contacts face, multiple binding faces with it is multiple described
Wire contacts face corresponds；Each wire contacts face is bound together with the corresponding binding face.
Compared with the prior art, in flexible display screen provided by the invention, flexible lead wire is included along flexible lead wire thickness
Multiple wire contacts faces that degree direction opens up, multiple stepped arrangements in wire contacts face, and circuit board has multiple binding faces,
Multiple stepped arrangements in binding face, when circuit board is bound together with flexible lead wire, each wire contacts face is tied up with corresponding
Determine face to bind together, this causes conduct piece in flexible lead wire needed for the binding of each wire contacts face and circuit board only need to be along
Seal ring thickness direction is arranged, it is possible to realize that flexible lead wire is bound with circuit board, without causing each lead in flexible lead wire
Contact surface extends with the conduct piece needed for circuit board binding along border width direction.In other words, in display device array institute
In the case that the number of leads of extraction is identical, bound if necessary to multigroup flexible lead wire with circuit board, it is provided by the invention
Flexible display screen is applied to flexible display apparatus, and each wire contacts face in every group of flexible lead wire is enabled to be bound with circuit board
Required conduct piece is arranged along seal ring thickness direction, so as to which the border width in flexible display apparatus is smaller,
It can ensure that each group flexible lead wire realizes binding completely with circuit board.
The present invention also provides a kind of binding method, which includes：
A circuit board is provided, the circuit board has multiple binding faces, multiple stepped arrangements in binding face；
A flexible lead wire is provided, the flexible lead wire includes multiple wire contacts faces, and multiple wire contacts faces are in rank
Scalariform is arranged, and multiple binding faces are corresponded with multiple wire contacts faces；
It face will be each bound in the circuit board corresponds to wire contacts face with the flexible lead wire and bind together.
Compared with prior art, the flexibility that the advantageous effect of binding method provided by the invention is provided with above-mentioned technical proposal
The advantageous effect of display screen is identical, and this will not be repeated here.
The present invention also provides a kind of display device, which includes the flexibility that above-mentioned technical proposal provides
Display screen.
Compared with prior art, the flexibility that the advantageous effect of display device provided by the invention is provided with above-mentioned technical proposal
The advantageous effect of display screen is identical, and this will not be repeated here.
Description of the drawings
Attached drawing described herein is used to provide further understanding of the present invention, and forms the part of the present invention, this hair
Bright illustrative embodiments and their description do not constitute improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is the schematic diagram of flexible display screen in the prior art；
Fig. 2 is the distribution schematic diagram of resilient conductive element in the prior art；
Fig. 3 is the schematic diagram of flexible display screen provided in an embodiment of the present invention；
Fig. 4 is the structure diagram of flexible lead wire in the embodiment of the present invention；
Fig. 5 is the structure diagram of circuit board in the embodiment of the present invention；
Fig. 6 is the distribution schematic diagram of resilient conductive element in the embodiment of the present invention；
Fig. 7 is the first bending direction schematic diagram of display device provided in an embodiment of the present invention；
Fig. 8 is status diagram of the flexible display screen provided in an embodiment of the present invention under the first bending direction；
Fig. 9 is second of bending direction schematic diagram of display device provided in an embodiment of the present invention；
Figure 10 is status diagram of the flexible display screen provided in an embodiment of the present invention under second of bending direction；
Figure 11 is the flow diagram of binding method provided in an embodiment of the present invention.
Reference numeral：
1- flexible lead wires, 10- flexible base boards；
The first flexible substrates of 101-, 102- first buffer layers；
The second flexible substrates of 103-, 104- second buffer layers；
11- leading parts, the first trace layers of 111-；
The first wire contacts of 1110- face, the second trace layers of 112-；
The second wire contacts of 1120- face, 113- third trace layers；
1130- third wire contacts face, 12- insulation divisions；
The first insulating layers of 121-, 122- second insulating layers；
2- circuit boards, 20- clamping structures；
21- first binds face, and 22- second binds face；
23- thirds bind face, first group of resilient conductive element of A-；
Second group of resilient conductive element of B-, C- third group resilient conductive elements；
The 4th group of resilient conductive element of D-.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
It please referring to shown in Fig. 3-Fig. 6, flexible display screen provided in an embodiment of the present invention includes display area and frame region,
Frame region be equipped with flexible lead wire 1 and circuit board 2, circuit board 2 have multiple binding faces, multiple stepped arrangements in binding face,
Flexible lead wire 1 includes multiple wire contacts faces, and multiple stepped arrangements in wire contacts face, multiple binding faces connect with multiple leads
Contacting surface corresponds, and each wire contacts face is bound together with corresponding binding face.
It, can be (parallel with wire contacts face in the horizontal direction when realizing that flexible lead wire 1 and circuit board 2 are bound
Direction) reduce the distance between circuit board 2 and flexible lead wire 1, then so that each binding face and corresponding wire contacts face phase
It is right, finally each binding face is bound together with corresponding wire contacts face.It is understood that circuit board 2 one herein
As be flexible PCB.
Wherein, the flexible lead wire 1 in the embodiment of the present invention is generally located on the frame region of flexible base board 10, and flexible base
The display area setting display device array of plate 10；Display device array is not limited only to light-emitting element array, further includes to drive
The thin film transistor (TFT) array that dynamic luminescent device shines.
In flexible display screen based on the embodiment of the present invention, flexible lead wire 1 is included along 1 thickness direction of flexible lead wire
The multiple wire contacts faces opened up, multiple stepped arrangements in wire contacts face, and circuit board 2 has multiple binding faces, it is multiple
The stepped arrangement in binding face, when circuit board 2 is bound together with flexible lead wire 1, each wire contacts face and corresponding binding
Face is bound together, this causes in flexible lead wire 1 required conduct piece is bound in each wire contacts face and circuit board 2 only need to be along
Seal ring thickness direction is arranged, it is possible to realize that flexible lead wire 1 is bound with circuit board 2, without causing each in flexible lead wire 1 draw
Line contact surface is bound required conduct piece with circuit board 2 and is extended along border width direction.In other words, in display device array
It in the case that the number of leads drawn is identical, is bound if necessary to multigroup flexible lead wire 1 with circuit board 2, present invention reality
The flexible display screen for applying example offer is applied to flexible display apparatus, enables to each trace layer and electricity in every group of flexible lead wire 1
Road plate 2 is bound required conduct piece and is arranged along seal ring thickness direction, so as to which the border width in flexible display apparatus is smaller
In the case of, it can also ensure that each group flexible lead wire 1 realizes complete binding with circuit board 2.
Certainly, it is each in existing flexible lead wire 1 to draw for the angle that flexible lead wire 1 extends along border width direction
Line layer will realize binding with circuit board 2, need fully to extend along frame direction, can realize each trace layer and circuit
The binding of plate 2, and in flexible display screen provided in an embodiment of the present invention, each wire contacts face and circuit board 2 in flexible lead wire 1
Conduct piece needed for binding is arranged along seal ring thickness direction, need not thus cause flexible lead wire 1 along border width direction
Fully extension, it is possible to realize each wire contacts face and the binding of circuit board 2 in flexible lead wire 1；Therefore, the embodiment of the present invention
This flexible display screen provided can fully reduce development length of the flexible lead wire 1 in border width direction.
It should be noted that when each wire contacts face is bound together with corresponding binding face in the embodiment of the present invention,
Conduct piece is resilient conductive element used in general, to ensure that flexible display screen in the case where being given a shock, passes through elastic conducting
Electric part causes circuit board 2 and flexible lead wire 1 to have certain relative displacement space, during weakening and shake, circuit board 2 and soft
Stress caused by the binding position of property lead 1.Resilient conductive element can be conductive silver glue, elastic rubber belt or conducting foam glue,
The resilient conductive element that conductive silver glue or conducting foam glue make in other words.
Specifically, as shown in figure 3, flexible lead wire 1 includes leading part 11 in the embodiment of the present invention, leading part 11 includes multiple
The trace layer to stack together, multiple trace layers are corresponded with multiple binding faces；Multiple stepped arrangements of trace layer, each
Trace layer is wire contacts face as the surface of ladder table top.When flexible display screen be applied to display device in, in display device
In the case that number of leads that display device array is drawn is certain, tied up if necessary to multigroup flexible lead wire 1 with circuit board 2
Fixed, the quantity of trace layer determines that each group flexible lead wire 1 binds required conduct piece with circuit board 2 and exists in every group of flexible lead wire 1
The arrangement quantity in border width direction.
Illustratively, as depicted in figs. 1 and 2, the flexible lead wire 1 of existing flexible display screen includes three trace layers, respectively
The first trace layer 111, the second trace layer 112 and third trace layer 113, circuit board 2 to be cascading only are drawn with third
Line layer 113 connects, and so that the first trace layer 111 and the second trace layer 112 are bound with circuit board 2, it is also necessary to so that flexible
Lead 1 extends along border width direction；In this case as shown in Fig. 2, third trace layer 113, the second trace layer 112,
Conduct piece needed for one trace layer 111 binding circuit board 2 forms one group of resilient conductive element along border width direction.When frame is wide
Direction is spent there is provided during 4 groups of flexible lead wires 1, and each trace layer binds the conductive component needed for circuit board 2 in 4 groups of flexible lead wires 1
Along border width direction form four groups of resilient conductive elements, respectively first group of resilient conductive element A, second group of resilient conductive element B,
Third group resilient conductive element C and the 4th group of resilient conductive element D.First group of resilient conductive element A, second group of resilient conductive element in Fig. 4
B, third group resilient conductive element C and the 4th group of resilient conductive element D is arranged along border width direction.
Illustratively, as shown in figures 3 to 6, in flexible display screen provided in an embodiment of the present invention, flexible lead wire 1 includes three
A trace layer, the first trace layer 111 being respectively cascading, the second trace layer 112 and third trace layer 113, first
The 113 stepped arrangement of trace layer 111, the second trace layer 112 and third trace layer, the first trace layer 111 are used as the first ladder
The surface of table top is the first wire contacts face 1110, and the second trace layer 112 is the second lead as the surface in the second ladder platform face
Contact surface 1120, third trace layer 113 are third wire contacts face 1130 as the surface of third ladder table top；At the same time,
Circuit board 2 includes the first binding face 21, second and binds face 22 and third binding face 23, and the first binding face 21 passes through the first conduct piece
It is bound together with the first wire contacts face 1110, the second binding face 22 passes through the second conduct piece and the second wire contacts face 1120
It binds together, third binding face 23 is bound together by third conduct piece and third wire contacts face 1130；And due to
One wire contacts face 1110, the second wire contacts face 1120 and third wire contacts face 1130 are along 1 thickness direction of flexible lead wire
Distribution, this causes the first conduct piece, the second conduct piece and third conduct piece along seal ring thickness directional spreding, specifically such as Fig. 6 institutes
The arragement direction of three conduct pieces in the every group of resilient conductive element shown.When border width direction is provided with 4 groups of flexible lead wires 1,4
Conductive component in group flexible lead wire 1 needed for each trace layer binding circuit board 2 forms four groups of elasticity along border width direction
Conduct piece, respectively first group of resilient conductive element A, second group of resilient conductive element B, third group resilient conductive element C and the 4th group of bullet
Property conduct piece D.Wherein, three conduct pieces are arranged along seal ring thickness direction in every group of resilient conductive element in Fig. 6, first group of elasticity
Conduct piece A, second group of resilient conductive element B, third group resilient conductive element C and the 4th group of resilient conductive element D are along border width side
To arrangement.
By comparison diagram 2 and Fig. 6 it can be found that the conduct piece quantity arranged in the prior art along border width direction is
12, the conduct piece quantity along seal ring thickness direction arrangement is 1；And along border width direction cloth in the embodiment of the present invention
The conduct piece quantity put is 4, and the conduct piece quantity along seal ring thickness direction arrangement is 3, and therefore, the embodiment of the present invention carries
The flexible display screen of confession can make full use of the space in seal ring thickness direction when carrying out conduct piece wiring, to reduce along side
The quantity of conduct piece is arranged in width of frame direction, flexible this makes it possible to while display device border width is not increased, ensure
Lead 1 realizes complete binding with circuit board 2.In other words, it is provided in an embodiment of the present invention soft in the case that border width is certain
Property display applications enable to the lead that display device array is drawn more to realize binding in flexible display apparatus.
It is understood that the signal that trace layer is transmitted in the embodiment of the present invention can be applied according to flexible display screen
Environment is different.Such as：Flexible display screen provided in an embodiment of the present invention is applied in the array substrate of display device, flexible lead wire
The signal that each trace layer is transmitted in 1 is source-drain electrode signal.
And in order to enable short circuit do not occur for each trace layer in flexible lead wire 1, mutually insulated between multiple trace layers.Such as figure
Shown in 4, flexible lead wire 1 not only includes leading part 11 in the embodiment of the present invention, but also including insulation division 12, insulation division 12 is specifically
Including having insulating layer between two neighboring trace layer, the end face structure that each insulating layer is located at trace layer exit is oblique for insulation
Face, the end face structure of the exit of each trace layer is conductive inclined-plane, and conductive inclined-plane and the trace layer of trace layer deviate from ladder platform
The insulation inclined-plane for the insulating layer that the surface in face is contacted forms connection inclined-plane, has between the ladder table top of two neighboring trace layer
One connection inclined-plane, it can be seen that, in flexible lead wire of the embodiment of the present invention 1, the circuit board inclined-plane between two neighboring binding face
The corresponding connection inclined-plane between the ladder table top of two neighboring trace layer is opposite, so that flexible lead wire 1 occurs with circuit board 2
During interaction, can the active force that flexible lead wire 1 acts on the circuit board 2 be divided by vertical direction by circuit board inclined-plane
(perpendicular to the binding face of circuit board 2) and the active force of horizontal direction, so as to reduce the position that circuit board 2 occurs in the horizontal direction
It moves, while is divided into the active force that circuit board 2 is acted on flexible lead wire 1 both vertically and horizontally by connecting inclined-plane
Active force, so as to reduce the position that flexible lead wire 1 occurs in the horizontal direction.
In view of the stability of flexible lead wire 1, as shown in figure 3, when stepped arrangement is presented in multiple trace layers, Duo Geyin
Line layer is formed in the plate face of flexible base board 10, is to draw substantially in the trace layer of the plate face frontal projected area maximum of flexible base board 10
Line layer, basic trace layer are contacted with the plate face of flexible base board 10, in other words, in the board direction perpendicular to flexible base board 10
On, along the board direction far from flexible base board 10, trace layer is gradually reduced in the plate face frontal projected area of flexible base board 10, makes
It must be basic trace layer in the trace layer of the plate face frontal projected area maximum of flexible base board 10, provide to form base for other trace layers
Plinth, so as to ensure that the multiple trace layers to stack together can consolidate is formed on flexible base board 10.
In addition to this, as shown in figures 3 to 6, the circuit board 2 in the embodiment of the present invention further includes clamping structure 20, clamping knot
Structure 20 is located at is bound together binding face with the table top of basic trace layer；The card access surface of clamping structure 20 and basic trace layer
Exit is opposite, and this makes it possible to be matched using the card access surface of clamping structure 20 with the exit of basic trace layer so that
When with circuit board 2 relative displacement occurs for flexible lead wire 1, pass through the exit of basic trace layer and the card access surface phase of clamping structure 20
Mutually limiting, to avoid larger relative displacement occurs between flexible lead wire 1 and circuit board 2.
Now with the development of flexible display technologies, the curvature of flexible display apparatus is increasing, and as flexibility is aobvious
The bending of showing device, the circuit board 2 at the top of flexible lead wire 1 is also bent therewith in flexible display apparatus, but this is but also circuit
Stress caused by plate 2 easily bends and acts power.Based on this, as shown in figure 3, provided in an embodiment of the present invention soft
Property display screen in, circuit board inclined-plane between two neighboring binding face is corresponding between the ladder table top of two neighboring trace layer
Connect that inclined-plane is opposite, circuit board inclined-plane between two neighboring binding face is corresponding between the ladder table top of two neighboring trace layer
Connection inclined-plane have adjust gap.
As shown in Figure 7 and Figure 8, when flexible display screen provided in an embodiment of the present invention be applied to display device in, showing
When device is towards away from the direction of display surface bending (bending direction is as shown in Fig. 7 arrow directions), each lead of flexible lead wire 1
It contacts towards the force direction that the corresponding each binding face of circuit board 2 is applied towards the upper left of Fig. 8, and according to power
It decomposes it is found that upward active force and active force to the left can be decomposed into towards the active force of upper left in Fig. 8, and
Since the connection between the circuit board inclined-plane correspondence between two neighboring binding face and the ladder table top of two neighboring trace layer is oblique
Face have adjust gap so that circuit board 2 by Fig. 8 upper lefts active force when, suffered active force can be converted
To promote circuit board 2 to the active force of movement on the left of Fig. 8 so that the gap width for adjusting gap reduces, and this makes it possible to reduce
Circuit board 2 is because of stress caused by display device bending.
As shown in Figure 9 and Figure 10, when flexible display screen provided in an embodiment of the present invention be applied to display device in, showing
Device towards display surface direction be bent when (bending direction is as shown in Fig. 9 arrow directions), each lead of flexible lead wire 1 connects
Contacting surface is to the force direction that the corresponding each binding face of circuit board 2 is applied towards the upper right of Figure 10, and according to power
It decomposes it is found that upward active force and active force to the right can be decomposed into towards the active force of upper right in Figure 10, and
Since the connection between the circuit board inclined-plane correspondence between two neighboring binding face and the ladder table top of two neighboring trace layer is oblique
Face have adjust gap so that circuit board 2 by Figure 10 upper rights active force when, suffered active force can be converted
To promote circuit board 2 to the active force of movement on the right side of Figure 10 so that adjust the gap width increase in gap, this makes it possible to reduce
Circuit board 2 is because of stress caused by display device bending.
In view of the circuit board inclined-plane between two neighboring binding face correspond to the ladder table top of two neighboring trace layer it
Between connection inclined-plane it is opposite when, the circuit board inclined-plane between two neighboring binding face corresponds to the ladder platform with two neighboring trace layer
Connection inclined-plane between face, which has, adjusts gap, stress caused by circuit board 2 when can reduce display device bending, and is drawing
In the case of the extraction end area of line layer is increased, in display device towards when being bent away from the direction of display surface, even if circuit board 2
Circuit board inclined-plane and be correspondingly connected with contact of incline plane, can also reduce impact force of the circuit board 2 to the exit of trace layer.Separately
Outside, in the case of the extraction end area of trace layer is increased, the cross section equivalent to increase trace layer so that each trace layer
Resistance reduce, so as to improve the accuracy of signal transmission.
As shown in figure 4, in flexible display screen provided in an embodiment of the present invention, the trace layer that goes out given in flexible lead wire 1
When quantity is three, the quantity of insulating layer is two, respectively the first insulating layer 121 and second insulating layer 122, the first insulating layer
121 between the first trace layer 111 and the second trace layer 112, and second insulating layer 122 is located at the second trace layer 112 and third
Between trace layer 113；The conductive inclined-plane of second trace layer 112 forms first with the insulation inclined-plane of the first insulating layer 121 and connect tiltedly
Face, conducting wire inclined-plane and the insulation inclined-plane of second insulating layer 122 of third trace layer 113 form second and connect inclined-plane, and circuit board 2 wraps
Three binding faces and a clamping structure 20 are included, face 22, third binding face 23 are bound in the respectively first binding face 21, second, the
One binding face 21 is connected with the second binding face 22 by first circuit board inclined-plane, and the second binding face 22 and third binding face 23 pass through
Second circuit board inclined-plane connects；Wherein, the first connection inclined-plane is opposite with first circuit board inclined-plane, the second connection inclined-plane and the second electricity
Road plate inclined-plane is opposite, and the card access surface of clamping structure 20 is opposite with the conductive inclined-plane of the first trace layer 111.
It should be noted that flexible lead wire 1 is formed on flexible base board 10 in the embodiment of the present invention, as shown in figure 3, this is soft
Property substrate 10 include the first flexible substrate 101 and the second flexible substrate 103 that stack together, flexible substrate generally uses polyamides
Imines makes, and first buffer layer 102, the second flexible substrate are formed between the first flexible substrate 101 and the second flexible substrate 103
103 are formed with second buffer layer 104 away from the surface of first buffer layer 102, and flexible lead wire 1 is formed in second buffer layer 104 and carries on the back
Surface from the second flexible substrate 103.Certainly, which can also include multiple flexible substrates folded together,
It is not limited only to two.
As shown in Fig. 3, Fig. 6 and Figure 11, an embodiment of the present invention provides a kind of binding method, which includes：
Step S100：A circuit board 2 is provided, circuit board 2 has multiple binding faces, multiple stepped arrangements in binding face；
A flexible lead wire 1 is provided, flexible lead wire 1 includes multiple wire contacts faces, and multiple stepped arrangements in wire contacts face are multiple to tie up
Determine face to correspond with multiple wire contacts faces；
Step S300：It face will be each bound in circuit board 2 corresponds to wire contacts face with flexible lead wire 1 and bind together.
Compared with prior art, the advantageous effect of binding method provided in an embodiment of the present invention is provided with above-mentioned technical proposal
Flexible display screen advantageous effect it is identical, this will not be repeated here.
Specifically, as shown in Figure 3 and Figure 4, flexible lead wire 1 includes multiple trace layers to stack together, multiple trace layers
It is corresponded with multiple binding faces；Multiple stepped arrangements of trace layer, each trace layer are to draw as the surface of ladder table top
Line contact surface；It is bound together with corresponding binding face；
Face will be each bound in circuit board 2 to correspond to the flexible lead wire 1 before wire contacts face binds together, it is above-mentioned
Embodiment binding method further includes：
Step S200：Along straight line where the lead direction of trace layer, it is gradually reduced between circuit board 2 and flexible lead wire 1
Distance so that it is opposite that face of each being bound in circuit board 2 corresponds to wire contacts face with flexible lead wire 1.
The embodiment of the present invention additionally provides a kind of display device, which includes the flexibility that above-described embodiment provides and show
Display screen.
Compared with prior art, the advantageous effect of display device provided in an embodiment of the present invention is provided with above-described embodiment
The method of flexible display screen is identical, and this will not be repeated here.
Wherein, the display device that above-described embodiment provides can be mobile phone, tablet computer, television set, display, notebook
Any product or component with display function such as computer, Digital Frame or navigator.
In the description of the above embodiment, particular features, structures, materials, or characteristics can be in any one or more
It is combined in an appropriate manner in a embodiment or example.
The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can readily occur in change or replacement, should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of flexible display screen, including circuit board and flexible lead wire, which is characterized in that the circuit board has multiple bindings
Face, multiple stepped arrangements in binding face；The flexible lead wire is opened including multiple flexibilities along flexible lead wire thickness direction
If multiple wire contacts faces, multiple stepped arrangements in wire contacts face, multiple binding faces described are drawn with multiple
Line contact surface corresponds；Each wire contacts face is bound together with the corresponding binding face.
2. flexible display screen according to claim 1, which is characterized in that the flexible lead wire includes multiple stack together
Trace layer, multiple trace layers and multiple binding faces correspond；Multiple stepped arrangements of the trace layer, it is each described to draw
Line layer is wire contacts face as the surface of ladder table top；It is bound together with corresponding binding face.
3. flexible display screen according to claim 2, which is characterized in that mutually insulated between multiple trace layers.
4. flexible display screen according to claim 2, which is characterized in that there is insulation between the two neighboring trace layer
Layer, the end face structure that each insulating layer is located at trace layer exit are insulation inclined-plane, each the exit of the trace layer
End face structure be conductive inclined-plane, the surface that the conductive inclined-plane of the trace layer deviates from ladder table top with the trace layer is contacted
The insulation inclined-plane of insulating layer form connection inclined-plane, tool is oblique there are one connection between the ladder table top of the two neighboring trace layer
Face is connected in the circuit board between two neighboring contact surface by circuit board inclined-plane, between the two neighboring binding face
Circuit board inclined-plane is corresponding opposite with the connection inclined-plane between the ladder table top of the two neighboring trace layer, two neighboring described to tie up
The connection inclined-plane determined between the ladder table top of the circuit board inclined-plane correspondence and the two neighboring trace layer between face has adjusting
Gap.
5. according to claim 2~4 any one of them flexible display screen, which is characterized in that multiple trace layers are formed in
It is basic trace layer in the trace layer of the plate face frontal projected area maximum of the flexible base board in the plate face of flexible base board, it is described
Basic trace layer is contacted with the plate face of the flexible base board；
The circuit board further includes clamping structure, and the clamping structure is located to be bound together with the table top of the basic trace layer
Binding face；The card access surface of the clamping structure is opposite with the exit of the basic trace layer.
6. flexible display screen according to claim 5, which is characterized in that the flexible base board includes stack together the
One flexible substrate and the second flexible substrate are formed with the first buffering between first flexible substrate and second flexible substrate
Layer, second flexible substrate are formed with second buffer layer away from the surface of first buffer layer, and the flexible lead wire is formed in institute
State the surface that second buffer layer deviates from second flexible substrate.
7. flexible display screen according to claim 1, which is characterized in that each wire contacts face with it is corresponding described
Binding face is bound together by resilient conductive element.
8. a kind of binding method, which is characterized in that including：
A circuit board is provided, the circuit board has multiple binding faces, multiple stepped arrangements in binding face；
A flexible lead wire is provided, the flexible lead wire includes multiple wire contacts faces, and multiple wire contacts faces are stepped
Arrangement, multiple binding faces are corresponded with multiple wire contacts faces；
It face will be each bound in the circuit board corresponds to wire contacts face with the flexible lead wire and bind together.
9. binding method according to claim 8, which is characterized in that the flexible lead wire includes multiple stack together
Trace layer, multiple trace layers are corresponded with multiple binding faces；Multiple stepped arrangements of the trace layer, each lead
Layer is wire contacts face as the surface of ladder table top；It is bound together with corresponding binding face；
Face will be each bound in the circuit board to correspond to the flexible lead wire before wire contacts face binds together, it is described to tie up
The method of determining further includes：
Along the trace layer lead direction where straight line, be gradually reduced between the circuit board and the flexible lead wire away from
From so that it is opposite that face of each being bound in the circuit board corresponds to wire contacts face with the flexible lead wire.
10. a kind of display device, which is characterized in that including claim 1~7 any one of them flexible display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810068706.XA CN108133669A (en) | 2018-01-24 | 2018-01-24 | A kind of flexible display screen and binding method, display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810068706.XA CN108133669A (en) | 2018-01-24 | 2018-01-24 | A kind of flexible display screen and binding method, display device |
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| CN108133669A true CN108133669A (en) | 2018-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810068706.XA Pending CN108133669A (en) | 2018-01-24 | 2018-01-24 | A kind of flexible display screen and binding method, display device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110619818A (en) * | 2019-08-27 | 2019-12-27 | 武汉华星光电半导体显示技术有限公司 | Display panel and manufacturing method thereof |
| CN111430421A (en) * | 2020-04-02 | 2020-07-17 | 京东方科技集团股份有限公司 | Display device and method for manufacturing the same |
| CN114927071A (en) * | 2022-05-31 | 2022-08-19 | 武汉天马微电子有限公司 | Display module and display device |
-
2018
- 2018-01-24 CN CN201810068706.XA patent/CN108133669A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110619818A (en) * | 2019-08-27 | 2019-12-27 | 武汉华星光电半导体显示技术有限公司 | Display panel and manufacturing method thereof |
| CN110619818B (en) * | 2019-08-27 | 2021-04-27 | 武汉华星光电半导体显示技术有限公司 | Display panel and manufacturing method thereof |
| CN111430421A (en) * | 2020-04-02 | 2020-07-17 | 京东方科技集团股份有限公司 | Display device and method for manufacturing the same |
| CN111430421B (en) * | 2020-04-02 | 2023-08-15 | 京东方科技集团股份有限公司 | Display device and method for manufacturing the same |
| CN114927071A (en) * | 2022-05-31 | 2022-08-19 | 武汉天马微电子有限公司 | Display module and display device |
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