CN109949702A - A kind of flexible display apparatus and preparation method thereof - Google Patents

A kind of flexible display apparatus and preparation method thereof Download PDF

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Publication number
CN109949702A
CN109949702A CN201910226713.2A CN201910226713A CN109949702A CN 109949702 A CN109949702 A CN 109949702A CN 201910226713 A CN201910226713 A CN 201910226713A CN 109949702 A CN109949702 A CN 109949702A
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China
Prior art keywords
flexible display
substrate
display panels
elastic layer
pretightning force
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CN201910226713.2A
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CN109949702B (en
Inventor
王世龙
蒋志亮
卜德军
蔡宝鸣
时永祥
王浩然
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BOE Technology Group Co Ltd
Chengdu BOE Optoelectronics Technology Co Ltd
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BOE Technology Group Co Ltd
Chengdu BOE Optoelectronics Technology Co Ltd
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Abstract

The invention discloses a kind of flexible display apparatus and preparation method thereof, are related to field of display technology.Main technical schemes of the invention are as follows: include: flexible display panels and preload substrate, the flexible display panels fixation fits on the preload substrate, the preload substrate includes opposite first end and second end, and the substrate that pre-tightens is used to apply the flexible display panels pretightning force inside along the first end and the second end.Present invention is mainly used for the production of flexible display panels.

Description

A kind of flexible display apparatus and preparation method thereof
Technical field
The present invention relates to field of display technology more particularly to a kind of flexible display apparatus and preparation method thereof.
Background technique
Flexible display apparatus has the ability of flexible bendable, this mentions following display product designability significantly It rises, in the product for just having had already appeared a large amount of static bending instantly.However.The flexible display apparatus that can dynamically bend there is no Method volume production, which is because, flexible display apparatus is during bending, answer in drawing by each film layer in flexible display panels It is easy to appear crackle in the state of power, causes the damage of flexible display panels to be failed, make flexible display apparatus can not With.Therefore the technical issues of tensile capacity of flexible display apparatus is those skilled in the art's urgent need to resolve how is improved.
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of flexible display apparatus and preparation method thereof, main purpose is to improve The bend resistance ability of flexible display apparatus.
On the one hand, the embodiment of the invention provides a kind of flexible display apparatus, which includes: flexible aobvious Show panel and pre-tighten substrate, the flexible display panels fixation fits on the preload substrate, and the preload substrate includes phase Pair first end and second end, the preload substrate is used to apply along the first end and described the flexible display panels The inside pretightning force of second end.
The object of the invention to solve the technical problems also can be used following technical measures and further realize.
Specifically, the preload substrate includes elastic film, and the elastic film is adhered to the flexible display panels Outside.
Specifically, the elastic film includes the first elastic layer and the second elastic layer, the flexible display panels packet Including opposite the first face and the second face, first elastic layer is adhered to the first face of the flexible display panels, and described second Elastic layer is adhered to the second face of the flexible display panels.
Specifically, the pretightning force includes the first pretightning force and the second pretightning force, and the first elastic layer is to described soft Property display panel apply first pretightning force, the second elastic layer applies described second to the flexible display panels Pretightning force, first pretightning force and second pretightning force are equal.
Specifically, the flexible display panels include the backboard, luminescent layer and packaging film stacked gradually, and described first Elastic layer is set to the side that the backboard deviates from the luminescent layer, and the second elastic layer is set to the thinner package Film deviates from the side of the luminescent layer.
It specifically, further include complete machine pedestal, the complete machine pedestal has as the preload substrate, the complete machine pedestal Bonding plane, the flexible display panels are adhered to the bonding plane of the complete machine pedestal.
On the other hand, the embodiment of the present invention also provides a kind of production method of flexible display apparatus, the flexible display apparatus Production method include: by flexible display panels be fixed in pre-tighten substrate on, make pre-tighten substrate flexible display panels are applied Add the pretightning force inside along preload substrate first end and second end.
The object of the invention to solve the technical problems also can be used following technical measures and further realize.
Specifically, described to include: by fixed be pasted on preload substrate of flexible display panels
Substrate will be pre-tightened to stretch along first end and second end;
Flexible display panels are bonded on the preload substrate in tensional state.
Specifically, pre-tightening substrate includes elastic film, and elastic film includes the first elastic layer and the second elastic layer, Flexible display panels include opposite the first face and the second face,
It is described by pre-tighten substrate along first end and second end stretching include:
First elastic layer is stretched along first end and second end;
Second elastic layer is stretched along first end and second end;
Described flexible display panels are bonded on the preload substrate in tensional state include:
The first elastic layer in tensional state is adhered to the first face;
The second elastic layer in tensional state is adhered to the second face.
Specifically, described to include: by fixed be pasted on preload substrate of flexible display panels
It is in predetermined angle that substrate bending, which will be pre-tightened,;
Flexible display panels are adhered to the default face for pre-tightening substrate, wherein the default face is when pre-tightening substrate bending Projecting surface;
By the flexible display panels after bonding and substrate flattening is pre-tightened, applies preload substrate to flexible display panels pre- Clamp force.
A kind of flexible display apparatus and preparation method thereof that the embodiment of the present invention proposes, by flexible display substrates Setting pre-tightens substrate, enables and pre-tightens substrate to flexible display panels application pretightning force, wherein pretightning force is that occur in pairs , the direction of pretightning force is inwardly (to be directed toward by the both ends of preload substrate by the first end and second end of preload substrate and pre-tighten base The center of plate), when flexible display apparatus is bent, flexible display apparatus is in the power that tensional state is stretched, simultaneously Also by the pretightning force for pre-tightening substrate and applying, the direction of pretightning force and drawing force it is contrary, Flexible Displays face can be reduced Plate suffered tensile stress in bending, and then flexible display panels suffered deformation in the process of bending can be reduced, from And the high bend resistance ability of flexible display apparatus of power.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention, And can be implemented in accordance with the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention and the accompanying drawings.
Detailed description of the invention
Fig. 1 is a kind of flexible display apparatus structural schematic diagram provided in an embodiment of the present invention;
Fig. 2 is a kind of another structure schematic diagram of flexible display apparatus provided in an embodiment of the present invention;
Fig. 3 is a kind of another structural schematic diagram of flexible display apparatus provided in an embodiment of the present invention;
Fig. 4 is a kind of flexible display apparatus production method flow chart provided in an embodiment of the present invention;
Fig. 5 is a kind of another flow chart of flexible display apparatus production method provided in an embodiment of the present invention;
Fig. 6 is a kind of a kind of structure schematic diagram of flexible display apparatus provided in an embodiment of the present invention;
Fig. 7 is a kind of another structure schematic diagram of flexible display apparatus provided in an embodiment of the present invention;
Fig. 8 is a kind of another structural schematic diagram of flexible display apparatus provided in an embodiment of the present invention;
Fig. 9 is a kind of another structural schematic diagram of flexible display apparatus provided in an embodiment of the present invention;
Figure 10 is a kind of another structure schematic diagram of flexible display apparatus provided in an embodiment of the present invention;
Figure 11 is a kind of another structure schematic diagram of flexible display apparatus provided in an embodiment of the present invention;
Figure 12 is a kind of another structure schematic diagram of flexible display apparatus provided in an embodiment of the present invention;
Figure 13 is a kind of another structure schematic diagram of flexible display apparatus provided in an embodiment of the present invention;
Figure 14 is a kind of another structure schematic diagram of flexible display apparatus provided in an embodiment of the present invention.
Drawing reference numeral explanation:
1- flexible display panels, 11- backboard, 12- luminescent layer, 13- packaging film, 14- second deformation zone, 15- second are non- Deformed area, 2- pre-tighten substrate, the elastic layer of 211- second, the elastic layer of 212- first, 22- complete machine pedestal, the deformation of 221- first Area, the first non-deformation zone 222-, 223- bonding plane, 3- collet, 4- arc fixture.
Specific embodiment
Further to illustrate that the present invention to reach the technical means and efficacy that predetermined goal of the invention is taken, ties below Attached drawing and preferred embodiment are closed, to a kind of flexible display apparatus proposed according to the present invention and preparation method thereof its specific implementation Mode, structure, feature and its effect, detailed description is as follows.
On the one hand, the embodiment of the invention provides a kind of flexible display apparatus, as shown in Figure 1, the flexible display apparatus packet Include: flexible display panels 1 and preload substrate 2, fixed fits in of flexible display panels 1 pre-tighten on substrate 2, and pre-tightening substrate 2 includes Opposite first end and second end, preload substrate 2 are used to apply flexible display panels 1 inside along first end and second end Pretightning force.Wherein, the direction of arrow A meaning is the direction of pretightning force.It is provided on flexible display substrates and pre-tightens substrate 2, passed through Pre-tighten substrate 2 to flexible display panels 1 apply pretightning force, wherein pretightning force occurs in pairs, the direction of pretightning force be by First end is directed toward 2 center of substrate that pre-tightens, another pretightning force is that the center for pre-tightening substrate 2 is directed toward by second end, due to pretightning force Presence so that flexible display panels 1 always in be pressurized state, when flexible display apparatus bending when, Flexible Displays face 1 under tension of plate makes flexible display panels 1 be stretched, and flexible display panels 1 be in tensional state when, Flexible Displays Upper on panel 1 to have deformed area and non-deformation zone, wherein non-deformation zone is located at the both ends of deformed area, i.e. non-deformation zone has two Sub-regions, position and the position of first end and second end are consistent, thus, flexible display panels 1 are suffered in bending To pulling force be that non-deformation zone is directed toward by deformed area, i.e., by flexible display panels 1 center be directed toward first end and second end, draw Power is also to occur in pairs, the direction of pulling force and pretightning force it is contrary, when bending, flexible display panels 1 are in pulling force effect Lower deformation occurs, while flexible display panels 1 are also by pretightning force, and then flexible display panels 1 are reduced by total power, make It obtains the deformation that flexible display panels 1 generate to reduce, increases the bending ability of flexible display panels 1.Simultaneously as flexible aobvious Show that panel 1 is chronically at pressured state, when flexible display panels 1 are bent, equally will receive compression, in the shape of compression Under state, crack initiation is difficult, and can reduce the tip stress fields of existing crackle, so that crackle has the tendency that closure, further Flexible display panels 1 are protected, and then improve the bending ability of flexible display apparatus.
The object of the invention to solve the technical problems also can be used following technical measures and further realize.
Specifically, pre-tightening substrate 2 includes elastic film, and elastic film is adhered to the outside of flexible display panels 1.It pre-tightens Substrate 2 is specifically as follows elastic film, and elastic film is bonded in the outside of flexible display panels 1, wherein flexible display panels 1 It is plate-like, and the outside of flexible display panels 1 refers to maximum two sides of area, elastic film is in tensional state, In the case where not having external force, elastic film has the trend of rebound, and then can apply to flexible display panels 1 by first end The inside pretightning force with second end.Elastic film can be provided only on the side of flexible display panels 1, also can be set soft The two sides of property display panel 1.
Specifically, as shown in Fig. 2, elastic film includes the first elastic layer 212 and the second elastic layer 211, flexibility is aobvious Show that panel 1 includes opposite the first face and the second face, first elastic 212 layers first face for being adhered to flexible display panels 1, Second elastic layer 212 is adhered to the second face of flexible display panels 1.It is pasted in the two sides of flexible display panels 1 flexible Film, elastic film includes the first elastic layer 212 and the second elastic layer 211 at this time, wherein flexible display panels 1 include Opposite the first face and the second face, one of face are light emission side, another face is backlight side, and the second elastic layer 211 is the Two in face of flexible display panels 1 apply pretightning force, and the first elastic layer 212 first in face of flexible display panels 1 apply it is pre- Clamp force, and then the pretightning force that flexible display panels 1 are subject to is the first elastic layer 212 and second 211 pairs of flexibility of elastic layer The resultant force for the power that display panel 1 applies.If only applying pretightning force, Flexible Displays to it in the side of flexible display panels 1 Warpage can occur in its natural state for panel 1, so that flexible display panels 1 are bonded in the other component with flexible display apparatus It is inconvenient.By the way that elastic film is all arranged in the two sides of flexible display panels 1, the angle of 1 warpage of flexible display panels is enabled to Reduce, facilitates the production of flexible display apparatus.
Specifically, pretightning force includes the first pretightning force and the second pretightning force, and the first elastic layer 212 is to Flexible Displays face Plate 1 apply the first pretightning force, the second elastic layer 211 to flexible display panels 1 apply the second pretightning force, the first pretightning force and Second pretightning force is equal.Second elastic layer 211 can apply the first pretightning force to flexible display panels 1, and first is elastic Layer 212 can apply the second pretightning force to flexible display panels 1, wherein the direction of the first pretightning force is along first end and second end Inwardly, the direction of the second pretightning force is equally from first end and second end to the second elastic layer 211 and the first elastic layer 212 are in the state of stretching.When the first pretightning force is identical as the second pretightning force size, and then it can guarantee Flexible Displays Warpage will not occur in nature for panel 1.It, can be in order to guarantee that the first pretightning force is identical with the size of the second pretightning force So that the second elastic layer 211 and the first elastic layer 212 are made of material of the same race, and then the elasticity modulus of the two is identical, In this way in the size for being easier control the first pretightning force and the second pretightning force, it is easier to keep the first pretightning force pre- with second The size of clamp force is identical.It, can be by adjusting the second son when the second elastic layer 211 and the first elastic 212 material difference of layer The thickness and level of stretch of elastic layer 211 and the first elastic layer 212 adjust the big of the first pretightning force and the second pretightning force It is small.
Specifically, as shown in Fig. 2, flexible display panels 1 include backboard 11, luminescent layer 12 and the thinner package stacked gradually Film 13, the first elastic layer 212 are set to the side that backboard 11 deviates from luminescent layer 12, and the second elastic layer 211 is set to encapsulation Film 13 deviates from the side of luminescent layer 12.Flexible display panels 1 specifically include backboard 11, luminescent layer 12 and packaging film 13, In the second elastic layer 211 be adhered to packaging film 13, i.e., the second elastic setting of layer 211 in light emission side, thus, it is desirable that the One it is elastic be made of colorless and transparent material, while the second elastic layer 211 has high permeability and without phase difference, Huo Zhexiang Potential difference is minimum, and the second elastic layer 211 can be made of optical material cop, the second elastic layer 211 and packaging film 13 it Between be bonded by optical cement psa.And the first elastic layer 212 is located at the backlight side of flexible display panels 1, thus first The translucency of elastic layer 212, color, material without specific requirement, the first elastic layer 212 can by macromolecule material with And the materials such as metal are made.
Specifically, as shown in figure 3, further including complete machine pedestal 22, complete machine pedestal 22 is as preload substrate 2, complete machine pedestal 22 With bonding plane 223, flexible display panels 1 are adhered to the bonding plane 223 of complete machine pedestal 22.Wherein complete machine pedestal 22 and flexibility It is that optics glues bonding agent between display panel 1, complete machine pedestal 22, which can be used as, pre-tightens substrate 2, and complete machine pedestal 22 and flexibility are aobvious Show that the side that panel 1 is bonded is bonding plane 223, complete machine pedestal 22, which can be, provides the whole of support to flexible display panels 1 Or part-structure, complete machine pedestal 22 can be known as, provide support for flexible display panels 1, may include center and The structures such as flexible display apparatus shell.Apply pretightning force by 22 pairs of preload substrates 2 of complete machine pedestal, flexible display apparatus is curved Qu Shi is able to bear tensile stress when bending, while can also bear the pretightning force from complete machine, therefore display module is bent When tensile stress part be cancelled, so that the whole stress and strain of flexible display panels 1 is reduced, so that Flexible Displays face Deformation of the plate 1 in bending reduces, and then can increase the bend resistance ability of flexible display panels 1.
On the other hand, the embodiment of the present invention also provides a kind of production method of flexible display apparatus, the flexible display apparatus Production method the following steps are included: S1, by flexible display panels 1 be fixed in pre-tighten substrate 2 on.Keep preload substrate 2 right Flexible display panels 1 apply the pretightning force inside along preload 2 first end and second end of substrate.Substrate 2 is pre-tightened to Flexible Displays face Plate 1 applies pretightning force, and in flexible display apparatus bending, flexible display panels 1 will receive drawing force, while also suffer from pre- Clamp force, the direction of drawing force and pretightning force it is contrary, therefore pretightning force can offset a part of drawing force, in turn, flexible The total stress that display panel 1 receives can reduce, and the deformation of flexible display panels 1 can reduce, and then flexible display panels 1 exist It will not be still damaged in multiple bending, improve the bending ability of flexible display apparatus.Simultaneously as Flexible Displays face Plate 1 is chronically at pressured state, when flexible display panels 1 are bent, equally will receive compression, in the state of compression, Crack initiation is difficult, and can reduce the tip stress fields of existing crackle, so that crackle has the tendency that closure, it is further right Flexible display panels 1 are protected, and then improve the bending ability of flexible display apparatus.
The object of the invention to solve the technical problems also can be used following technical measures and further realize.
Specifically, include: by fixed be pasted on preload substrate 2 of flexible display panels 1
S11, substrate 2 will be pre-tightened along first end and second end stretching;By the way that substrate 2 will be pre-tightened along first end and second end It stretches, so that pre-tightening substrate 2 with the stretcher strain along first end and second end.It specifically, can will be pre- by collet 3 The both ends of tight substrate 2 are stepped up, and are then stretched to preload substrate 2.In the embodiment, pre-tightening substrate 2 can be Thin Elastic Film.
S12, flexible display panels 1 are bonded on the preload substrate 2 in tensional state.Specifically, substrate is being pre-tightened When 2 both ends are further fixed on collet 3, substrate 2 will be pre-tightened and be bonded in flexible display panels 1, that is, guarantees that pre-tightening substrate 2 also locates When tensional state, will pre-tighten substrate 2 carry out with flexible display panels 1 it is be bonded.Flexible display panels 1 are glued with substrate 2 is pre-tightened After connecing, collet 3 is discharged, substrate 2 is pre-tightened and bounces back so that the whole of flexible display panels 1 is pressurized.
Specifically, as shown in Fig. 2, pre-tightening substrate 2 in the embodiment can be elastic film, elastic film includes first Elastic layer 212 and the second elastic layer 211, flexible display panels 1 include opposite the first face and the second face, and are specifically made When making display panel, it should include the following steps:
Wherein, step S11, which will pre-tighten substrate 2 and stretch along first end and second end, includes:
S111, as shown in figure 4, by the first elastic layer 212 along first end and second end stretch;By the first elastic layer 212 are stretched from center to both sides, and draw direction is identical as the draw direction of substrate 2 is pre-tightened, as shown in fig. 6, passing through folder First 3 is fixed by the first elastic layer 212, so that the firstth elastic layer 212 is in tensional state.
S112, as shown in figure 8, by the second elastic layer 211 along first end and second end stretch;Second elastic layer 211 Stretching mode it is identical as the first elastic layer 212 as draw direction, herein without repeating.
Flexible display panels 1 are bonded on the preload substrate 2 in tensional state and specifically include by step 12:
S121, as shown in fig. 7, by the first face is adhered in the first elastic layer 212 of tensional state;Docile first After when elastic layer 212, collet 3 is discharged, the first elastic layer 212 is sprung back, and the first elastic layer 212 bounces back to Flexible Displays Panel 1 applies the first pretightning force, is pressurized so that flexible display panels 1 are whole.First pretightning force occurs in pairs, and one by first The center for pre-tightening substrate 2 is directed toward at end, another is directed toward the center for pre-tightening substrate 2 by second end.First elastic layer 212 with it is soft Property display panel 1 is adhesively fixed by optical cement.
S122, as shown in figure 9, by the second face is adhered in the second elastic layer 211 of tensional state.Second bullet Property layer 211 to flexible display panels 1 apply the second pre set force, the second pre set force equally occurs in pairs.
It is preferably equal in magnitude about the first pre set force and the second pre set force, it is pasted with the second elastic 211 He of layer in this way The flexible display panels 1 of first elastic layer 212 in nature will not warpage, be at flat condition, and then can Flexible display panels 1 are facilitated to carry out with other component be bonded.Flexible display panels 1 include packaging film 13, luminescent layer 12 and back Plate 11 as shown in Fig. 6 to Fig. 9, can first stretch the first elastic layer 212, so when making flexible display apparatus Backboard 11 is bonded in the first elastic layer 212 afterwards, is next successively bonded luminescent layer 12, backboard 11 again and in stretching The elastic layer 211 of the second of state has been adhesively fixed after the second elastic layer 211, collet 3 is discharged, so that the second elastic layer 211 and first elastic layer 212 in the raw.Wherein, the second elastic layer 211 and the first 212 pairs of elastic layer are soft Property the pretightning force that applies of display panel 1, i.e. the first pretightning force and the second pretightning force can be by adjusting the second elastic layers 211 The size of pretightning force is adjusted with the level of stretch of the first elastic layer 212.Wherein, it is bonded the second elastic layer 211 and first The sequence of elastic layer 212 can exchange.
Specifically, in addition to provided by above embodiments to pre-tighten substrate 2 stretched again with flexible display panels 1 into Row, which is stretched, can apply pretightning force to flexible display panels 1, can also apply in the following manner to flexible display panels 1 pre- Clamp force, specifically, as shown in figure 5, it includes: S1.1, general on preload substrate 2 that the fixation of flexible display panels 1 is pasted on by step S1 Pre-tightening the bending of substrate 2 is in predetermined angle;Pre-tightening substrate 2 at this time can be complete machine pedestal 22, as shown in Figure 10, by complete machine pedestal 22 bendings are in predetermined angle, and complete machine pedestal 22 includes primary deformation zone 221 and the first non-deformation zone 222, the first non-deformation zone 222 are located at the two sides of primary deformation zone 221, positioned at the both ends of complete machine pedestal 22, i.e. first end and second end.Wherein preset angle The value range of degree is greater than 90 °, less than 180 °.There is bonding plane 223 on complete machine pedestal 22, specific bending process is, As shown in figure 14, it is fixed by first end and second end of the handgrip to complete machine pedestal 22, is applied from collet 3 to complete machine pedestal 22 Add the compressing force for being directed toward 22 center of complete machine pedestal, then complete machine pedestal 22 is placed on arc fixture 4, and arc fixture 4 is in convex Shape is played, and arc fixture 4 is located at the side that complete machine pedestal 22 deviates from bonding plane 223, by arc fixture 4 to complete machine pedestal 22 It is bent, at this point, the primary deformation zone 221 of complete machine pedestal 22 is in compressive state, and primary deformation zone 221 is by by One end and second end are directed toward the compressing force at center.
Flexible display panels 1, are adhered to the default face for pre-tightening substrate 2, wherein default face is by S1.2, as shown in figure 11 Pre-tighten projecting surface when substrate 2 is bent;The both ends of flexible display panels 1 are clamped by handgrip, are moved by the movement of handgrip Dynamic flexible display panels 1 make, and flexible display panels 1 are moved to the top in the default face of complete machine pedestal 22, wherein default face is Projecting surface after the bending of complete machine pedestal 22, this projecting surface is the bonding plane 223 of complete machine pedestal 22, then by Flexible Displays face Plate 1 is adhered to bonding plane 223, and the two is bonded.Have second deformation zone 14 and second non-deformed in flexible display panels 1 Area 15, the second non-deformation zone 15 are located at the both ends of second deformation zone 14, and second deformation zone 14 is in tensional state at this time, and second Deformed area 14 is by the drawing force for being directed toward both ends by center.
S1.3, as shown in figure 12, by after bonding flexible display panels 1 and pre-tighten substrate 2 flatten, make pre-tighten substrate 2 it is right Flexible display panels 1 apply pretightning force.Flexible display panels 1 and preload substrate 2 are flattened by external force, pre-tighten substrate 2 at this time Primary deformation zone 221 be in tensional state, and second deformation zone 14 is in compressive state, and then pre-tightening substrate 2 can be to soft Property display panel 1 be applied with second end and first end and be directed toward the pretightning force for pre-tightening 2 center of substrate, direction caused by arrow B in figure For the direction of pretightning force, and pre-tighten the drawing that substrate 2 is pre-tightened 2 both ends of substrate by being directed toward by center of applying of flexible display panels 1 Stretch, the direction of arrow C meaning is the direction of drawing force in figure.But since the material of flexible display panels 1 is relative to flexibility Display panel 1 wants hard, so buckling deformation can't occur for the display panel and complete machine pedestal 22 after flattening.Such as Figure 13 Shown, when flexible display apparatus is bent, flexible display panels 1 can bear the tensile stress and initial pretightning force of bending, because Tensile stress part when this display display panel bending can be cancelled, to reduce mould group integrated stress and strain.And by Apply compressing force again to bend complete machine pedestal, when complete machine pedestal and flexible display panels flatten, the of complete machine pedestal 22 One deformed area 221 becomes tensional state by compressive state, and the deformation occurred is larger, to flexible display panels apply 1 plus Pretightning force is larger.It further include other optical components, including polaroid and cover board etc. in flexible display apparatus, by complete machine pedestal 22 are successively bonded with after the flattening of flexible display panels 1 with other optical components.
In addition to this, include not only flexible display panels 1 in flexible display apparatus, further include other optical components, such as Polaroid and cover board etc. can be by other optical components and Flexible Displays when in order to protect to other optical components The successively fitting in a flattened condition of panel 1, forms display module, then bends to complete machine pedestal 22, by display module It overlaps on the complete machine pedestal 22 of bending, so that application of a surface is carried out, it is then whole again to be bonded, mould is shown at this time Group bears shrinkage stress, i.e. pretightning force to contract, and complete machine stretches to both sides and bears drawing force, when bending, display module Identical as power suffered by flexible display panels 1, the effect played is identical, will not repeat them here.It is carried out to display module When bending, it can not only apply compressing force and precommpression is carried out to complete machine pedestal 22, complete machine pedestal 22 can not also be applied pre- Compressing force is directly fixed complete machine pedestal 22 by handgrip, is then bent into complete machine pedestal 22 by arc fixture 4 Predetermined angle equally can be to display module when flattening to display base and display module (or flexible display panels) (or flexible display panels) apply pretightning force.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, appoints What those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, answer It is included within the scope of the present invention.Therefore, protection scope of the present invention should be with the scope of protection of the claims It is quasi-.

Claims (10)

1. a kind of flexible display apparatus characterized by comprising
Flexible display panels and preload substrate, the flexible display panels fixation fit on the preload substrate, the preload Substrate includes opposite first end and second end, and the preload substrate is used to apply along described first the flexible display panels End and the inside pretightning force of the second end.
2. flexible display apparatus according to claim 1, which is characterized in that
The preload substrate includes elastic film, and the elastic film is adhered to the outside of the flexible display panels.
3. flexible display apparatus according to claim 2, which is characterized in that
The elastic film includes the first elastic layer and the second elastic layer, and the flexible display panels include opposite first Face and the second face, first elastic layer are adhered to the first face of the flexible display panels, the second elastic layer bonding In the second face of the flexible display panels.
4. flexible display apparatus according to claim 3, which is characterized in that
The pretightning force includes the first pretightning force and the second pretightning force, and the first elastic layer is applied to the flexible display panels Adding first pretightning force, the second elastic layer applies second pretightning force to the flexible display panels, and described the One pretightning force and second pretightning force are equal.
5. flexible display apparatus according to claim 4, which is characterized in that
The flexible display panels include the backboard, luminescent layer and packaging film stacked gradually, the first elastic layer setting Deviate from the side of the luminescent layer in the backboard, the second elastic layer is set to the packaging film and shines away from described The side of layer.
6. flexible display apparatus according to claim 1, which is characterized in that
It further include complete machine pedestal, for the complete machine pedestal as the preload substrate, the complete machine pedestal has bonding plane, described soft Property display panel is adhered to the bonding plane of the complete machine pedestal.
7. a kind of production method of flexible display apparatus, is used for flexible display apparatus as described in claim 1, feature exists In, comprising:
Flexible display panels are fixed in and are pre-tightened on substrate, make to pre-tighten substrate to flexible display panels application along preload substrate The inside pretightning force of first end and second end.
8. the production method of flexible display apparatus according to claim 7, which is characterized in that
It is described to include: by fixed be pasted on preload substrate of flexible display panels
Substrate will be pre-tightened to stretch along first end and second end;
Flexible display panels are bonded on the preload substrate in tensional state.
9. the production method of flexible display apparatus according to claim 8, which is characterized in that
Pre-tightening substrate includes elastic film, and elastic film includes the first elastic layer and the second elastic layer, flexible display panels Including opposite the first face and the second face,
It is described by pre-tighten substrate along first end and second end stretching include:
First elastic layer is stretched along first end and second end;
Second elastic layer is stretched along first end and second end;
Described flexible display panels are bonded on the preload substrate in tensional state include:
The first elastic layer in tensional state is adhered to the first face;
The second elastic layer in tensional state is adhered to the second face.
10. the production method of flexible display apparatus according to claim 7, which is characterized in that
It is described to include: by fixed be pasted on preload substrate of flexible display panels
It is in predetermined angle that substrate bending, which will be pre-tightened,;
Flexible display panels are adhered to the default face for pre-tightening substrate, wherein the default face is protrusion when pre-tightening substrate bending Face;
By the flexible display panels after bonding and substrate flattening is pre-tightened, makes to pre-tighten substrate to flexible display panels application pretightning force.
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