CN108773142A - Foldable display panel and its applying method and laminating apparatus - Google Patents
Foldable display panel and its applying method and laminating apparatus Download PDFInfo
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- CN108773142A CN108773142A CN201810587688.6A CN201810587688A CN108773142A CN 108773142 A CN108773142 A CN 108773142A CN 201810587688 A CN201810587688 A CN 201810587688A CN 108773142 A CN108773142 A CN 108773142A
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- jig
- optical film
- multiple optical
- auxiliary film
- auxiliary
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1284—Application of adhesive
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
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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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Polarising Elements (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The invention discloses foldable display panel and its applying method and laminating apparatus, the laminating apparatus includes：First jig, the outer surface with convex, the second jig, the inner surface with spill；Auxiliary film, thereon surface can paste multiple optical film layers；Fixed cell, for releasably supporting and fixing auxiliary film；It can be relatively moved between fixed cell and the first jig, so that the lower surface of auxiliary film can be tightly attached on the outer surface of the first jig；It can be relatively moved between first jig and the second jig so that the inner surface of the outer surface of the first jig and the second jig can be aligned and abut, to which multiple optical film layers fit together.According to the present invention, the multiple optical film layers to be overlapped are overlappingly bonded in the bent state, so as to the stress for reducing the stress of each optical film layer accumulation or not building up.
Description
Technical field
The present invention relates to field of flexible display, in particular to a kind of foldable display panel and its applying method and
Laminating apparatus.
Background technology
Existing folding active-matrix organic light emitting diode (AMOLED) panel (AMOLED), usually stacks gradually flexible cover board
(Cover film), touch panel (touch screen panel, TSP), rotatory polarization piece (circular polarizer,
CPOL), multiple optical film layers such as display device (Panel), notacoria (Bottom Film), these optical film layers are in flat condition
It is lower to be bonded by overlapping.However, when display panel is after the use for repeatedly folding and being unfolded, due to forming each optical film layer
Material elasticity modulus it is different and component included in each optical film layer has differences in performance, cause to answer
Power is unevenly distributed, so foldable display panel often holds the accumulation of stress and different degrees of strain occurs.Work as display
When panel is folded, the material of each optical film layer by different degrees of tensile stress because can be occurred different degrees of
Strain.
For single film layer, as shown in Figure 1, when single film layer is rolled over by flat condition or relatively flat state
When building up flexuosity, α and the relational expression for stretching variation delta are as follows：
Δ=α * (R+W ')-L
Wherein, the mark content of parameters α, R, W ' and L is as shown in Figure 1.
When α=0, Δ=0, that is, it is 0 to stretch variable quantity；
α is bigger, and Δ is bigger, that is, it is bigger to stretch variable quantity.
For being stacked with the foldable display panel of multiple optical film layers, as shown in Figure 2 A because display device, thoroughly
Bright optical cement (optical clear adhesive, OCA) 2, rotatory polarization piece/touch panel, transparent optical cement 1 and flexible cover
Plate has identical or substantially the same length, ideally, either which kind of using under situation (including folded state and
Unfolded state), often holding for whole composition materials of foldable display panel is all hoped to have identical or substantially the same length
Degree.
However, in actual use, when will be stacked with the foldable display panels of multiple optical film layers by flat condition or
When expanding into flat condition or relatively flat state when relatively flat state is folded into flexuosity, or repeatedly after folding, each
Material in optical film layer still can have overstrain, and each optical film layer of foldable display panel is because can be by difference
The tensile stress of degree and different degrees of strain occurs, to have different length.When overstrain is relatively high, can roll over
Each optical film layer in the end of folded display panel will present inclined shape as shown in Figure 2 B.In consequently, it can happen
Interbed is removed.
Therefore, it is necessary to a kind of foldable display panel and its applying method and laminating apparatus are researched and developed, it can be at least
Partly solve the above-mentioned problems in the prior art.
Invention content
The purpose of the present invention is to propose to a kind of foldable display panel and its applying methods and laminating apparatus, can reduce
The stress of each optical film layer accumulation or the stress not built up, will not be such that the bendability of display panel dislikes to provide
Change, be difficult to damaged display panel in bending.
As here embodied and it is broadly described, in order to realize these and other advantage and purpose according to the present invention,
A kind of laminating apparatus of foldable display panel is proposed, including：First jig, the outer surface with convex, the second jig, tool
There are the inner surface of spill, the inner surface to match in shape with the outer surface of first jig；Auxiliary film, the auxiliary
The upper surface of film can paste multiple optical film layers；Fixed cell, for releasably supporting and fixing the auxiliary film；Its
In, it can be relatively moved between the fixed cell and first jig, so that being fixed on the fixed cell
The lower surface of the auxiliary film can be tightly attached on the outer surface of first jig；First jig and second jig
Between can relatively move so that the inner surface of the outer surface of first jig and second jig can be aligned and mutually
Against to which the multiple optical film layer being pasted on the upper surface of the auxiliary film be fit together.
Preferably, at least one of the inner surface of the outer surface of first jig and second jig is by flexibility
Material is constituted.
Preferably, the laminating apparatus further includes mobile unit, in first jig and second jig at least
One is moved by the mobile unit.
Preferably, the mobile unit is built-in with motor or cylinder pneumatically or hydraulically.
Preferably, it is coated with pressure sensitive adhesive on the upper surface of the auxiliary film, for pasting the multiple optical film layer, the pressure
Quick glue can reduce viscosity after ultraviolet illumination.
Preferably, the inner surface of second jig is equipped with negative-pressure ward hole, and the negative-pressure ward hole can adsorb institute
Multiple optical film layers are stated, consequently facilitating making to be detached from described first with the auxiliary film that the multiple optical film layer is pasted together
The outer surface of jig.
On the other hand, the present invention proposes a kind of applying method of foldable display panel, includes the following steps：It a) will be more
A optical film layer is pasted together in a flat state；B) the multiple optical film layer being pasted together is pasted on auxiliary film
Upper surface on；C) auxiliary film for being pasted with the multiple optical film layer is releasably securable on fixed cell；d)
The first jig for providing the outer surface with convex, relatively moves between the fixed cell and first jig, to make
The lower surface for the auxiliary film that must be fixed on the fixed cell is tightly attached on the outer surface of first jig, e) it provides
The outer surface of second jig of the inner surface with spill, the inner surface of second jig and first jig is in shape
It matches, is relatively moved between first jig and second jig so that the outer surface of first jig and described
The inner surface of second jig is aligned and abuts, to be pasted on the multiple optics on the upper surface of the auxiliary film
Film layer fits together.
Applying method according to the present invention can also include the following steps：G) when the outer surface of first jig and described
After the inner surface of second jig abuts and the multiple optical film layer is made to fit together, it is set to second jig
Inner surface on negative-pressure ward hole adsorb the multiple optical film layer, it is opposite between first jig and second jig
It is mobile so that the outer surface of first jig is detached from the auxiliary film that the multiple optical film layer is pasted together.
Preferably, it is coated with pressure sensitive adhesive on the upper surface of the auxiliary film, after step g), is adsorbed with the multiple optics
Second jig of film layer and the auxiliary film is placed in ultraviolet illumination area, pressure-sensitive on the upper surface of the auxiliary film
Glue can reduce viscosity after ultraviolet illumination, in order to make the multiple optical film layer and the auxiliary UF membrane.
Another aspect, the present invention propose a kind of foldable display panel, wherein included by the foldable display panel
Multiple optical film layers be made of use applying method as described above.
It is demonstrated experimentally that when multiple optical film layers are bonded in the bent state, as shown in figure 3, α, β and stretching variation delta '
Relational expression it is as follows：
L<β(r+W’)
Δ '=α * (R+W ')-β (r+W ')
Wherein, the mark content of parameters α, β, r, R, W ' and L is as shown in Figure 3.
So Δ '<Δ after being bonded in the bent state, stretches variation delta ' smaller.
Therefore, the beneficial effects of the present invention are, multiple optical film layers to be overlapped in the bent state overlappingly
Fitting, display panel being as a result consequently formed, being stacked with multiple optical film layers by repeatedly fold and expansion use shape
After state, the compression stress and tensile stress derived from each optical film layer itself are only generated.Therefore, in bending part, Ge Geguang
The stress for learning film layer accumulation can be minimum, the stress that will not even be built up.
From the detailed description below in conjunction with the present invention of attached drawing, aforementioned and other purpose of the invention, feature, aspect
It will become more apparent with advantage.
Description of the drawings
Attached drawing is contained in herein to provide further understanding of the invention, and is incorporated into this specification, structure
Cost part of specification, attached drawing show the embodiment of the present invention, and for illustrating the present invention together with following description
Theory.
In the accompanying drawings：
Fig. 1 is the schematic diagram for being bent into flexuosity by flat condition or relatively flat state to single film layer.
Fig. 2A show when foldable display panel by flat condition or relatively flat state be bent into flexuosity or
Repeatedly after bending when expanding into flat condition or relatively flat state, layers of material the case where there are overstrains.
Fig. 2 B show that when overstrain is relatively high, each optical film layer in the end of foldable display device is presented
Inclined shape.
Fig. 3 shows the stretching variable quantity after optical film layer is bonded in the bent state.
Fig. 4 A are schematic diagram of the laminating apparatus according to the present invention before fitting.
Fig. 4 B are schematic diagram of the laminating apparatus according to the present invention after fitting.
Fig. 5 shows that multiple optical film layers are fit together with stacked structure.
Fig. 6 A- Fig. 6 F show the side for using applying method according to the present invention that rotatory polarization piece and touch panel is made to be bent
The step of formula fits together.
Fig. 7 is shown makes transparent optical cement and display device paste in curved manner using applying method according to the present invention
It is combined.
Fig. 8 is shown makes rotatory polarization piece, touch panel, transparent optical cement, display using applying method according to the present invention
Device fits together in curved manner.
Reference numerals list
100 first jigs
110 outer surfaces
200 second jigs
210 inner surfaces
211 negative-pressure ward holes
300 mobile units
310 fixed parts
400 auxiliary films
410 upper surfaces
420 lower surfaces
A optical film layer more than 500；
600 fixed cells
610 auxiliary film fixing pieces
Specific implementation mode
The detailed description present invention below with reference to accompanying drawings.
The applying method of foldable display panel according to the present invention is to use foldable display panel according to the present invention
Laminating apparatus the multiple optical film layers to overlap are overlappingly bonded in the bent state.
Specifically, as shown in Figure 4 A and 4 B shown in FIG., the laminating apparatus of foldable display panel according to the present invention includes the
There is the outer surface 110 of convex, second jig 200 to have for one jig 100 and the second jig 200, first jig 100
The inner surface 210 of spill, the outer surface 110 match in shape with the inner surface 210.
Laminating apparatus further includes mobile unit 300.In the embodiment shown in Fig. 4 A and Fig. 4 B, the second jig 200 can
It is moved by mobile unit 300.Specifically, the fixed part 310 in mobile unit 300 is connected to the second jig 200, to band
Dynamic second jig 200 is carried out up and down or is moved left and right.The second jig 200 can carry out between the first jig 100 as a result,
It is mobile so that the inner surface 210 of the outer surface 110 of the first jig 100 and the second jig 200 can be aligned and abut, from
And make stratiform object that can be pressed with the state of bending between outer surface 110 and inner surface 210.Outer surface 110 and interior table
Face 210 matches in shape, it is ensured that stratiform object is by uniform pressing force.
In addition, at least one of the inner surface 210 of the outer surface 110 of the first jig 100 and the second jig 200 is by all
Such as rubber, plastics flexible material constitute, thereby further ensure that stratiform object between outer surface 110 and inner surface 210 by
To uniform pressing force.
Although it is to be appreciated that in the above-described embodiments, the second jig 200 can move, and the first jig 100 is kept
It is fixed, but the present invention is not limited to this.In other examples, can take the first jig 100 move and second
200 fixed mode of jig, or the mode of taking the first jig 100 and the second jig 200 that can move.
Moreover, the movement of the first jig 100 or the second jig 200 can by various modes common in engineering practice come
It realizes, as long as the needs for being sized to meet fitting display panel of mobile distance and mobile power.For example, mobile unit 300
Motor or cylinder (not shown) pneumatically or hydraulically can be built-in with.
In order to make display panel be supported and protect during the bonding process, laminating apparatus further includes auxiliary film 400.Structure
It can be stackably pasted onto on the upper surface 410 of auxiliary film 400 at multiple optical film layers 500 of display panel, in this way, multiple light
Learning film layer 500 can move with the movement of auxiliary film 400.
Stickup of the multiple optical film layers 500 on the upper surface of auxiliary film 400 410 can be by commonly using in the art
Method of attaching realize.For example, multiple optical film layers 500 are pasted onto on the upper surface 410 of auxiliary film 400 with viscose glue, and
It is pressed with plane idler wheel or pressing plate, to ensure the effect pasted.The pressure of pressing is preferably 2kg-8kg.
It is detached with auxiliary film 400 for the ease of multiple optical film layers 500 after making bending be bonded, it can be in auxiliary film 400
Upper surface 410 on coating pressure sensitive adhesive (not shown).Pressure sensitive adhesive can reduce viscosity after ultraviolet illumination, therefore, as long as
By bending be bonded after multiple optical film layers 500 and auxiliary film 400 be placed in ultraviolet illumination area, multiple optical film layers 500 with
The separation of auxiliary film 400 will become very easy.
Laminating apparatus further includes fixed cell 600, for releasably supporting and fixing auxiliary film 400 so that auxiliary film
400 keep flat condition or relatively flat state.In the embodiment shown in Fig. 4 A and Fig. 4 B, fixed cell 600 passes through auxiliary
Film fixing piece 610 releasably secures at the edge of auxiliary film 400 in fixed cell 600.However, the invention is not limited thereto.Gu
Order member 600 can also fix auxiliary film 400 by fixture, viscose glue etc..
At least one of fixed cell 600 and the first jig 100 can move, so that fixed cell 600 and
It can be relatively moved between one jig 100.By means of this relative movement, it is fixed on the auxiliary film 400 on fixed cell 600
Lower surface 420 can be aligned and cover towards the outer surface 110 of the first jig 100, to tightly be attached to the appearance of the first jig 100
On face 110.After the lower surface of auxiliary film 400 420 is tightly attached on the outer surface 110 of the first jig 100,400 He of auxiliary film
The multiple optical film layers 500 being pasted on the upper surface 410 of auxiliary film 400 all follow the outer surface of the convex of the first jig 100
110 and become bending, in this way, allowing for multiple optical film layers 500 be in flexuosity, to be carried out to be bonded in next step
Prepare.
When the lower surface 420 for the auxiliary film 400 for being pasted with multiple optical film layers 500 is tightly attached to the appearance of the first jig 100
After on face 110, as shown in Figure 4 B, relatively moved between the first jig 100 and the second jig 200 so that the first jig 100
The inner surface 210 of outer surface 110 and the second jig 200 is aligned and abuts, to be pasted on the upper surface of auxiliary film 400
Multiple optical film layers 500 on 410 fit together.
For the ease of making the auxiliary film being pasted together with multiple optical film layers 500 400 be detached from the appearance of the first jig 100
Face 110, as shown in Figure 4 A and 4 B shown in FIG., the inner surface 210 of the second jig 200 are equipped with negative-pressure ward hole 211.Negative-pressure ward hole
211 are connected to negative pressure source (not shown).When needed, negative pressure source is opened, multiple optics are then adsorbed in negative-pressure ward hole 211
Film layer 500.If at this point, the first jig 100 and the second jig 200 relative movement and away from each other, 500 He of multiple optical film layers
Auxiliary film 400 is held in due to by the absorption in negative-pressure ward hole 211 on the inner surface 210 of the second jig 200, as a result auxiliary film
400 are detached from the outer surface 110 of the first jig 100.
Negative-pressure ward hole 211 can be one or more.Fig. 4 A and Fig. 4 B show that negative-pressure ward hole 211 is three, but
The invention is not limited thereto.In order to ensure the inner surface 210 of the second jig 200 to the adsorption effect of multiple optical film layers 500 and
Avoid multiple optical film layers 500 locally damaged by too strong absorption, negative-pressure ward hole 211 be preferably three or three with
On.
After the outer surface 110 that auxiliary film 400 is detached from the first jig 100, multiple optical film layers 500 and auxiliary film 400
It is held together on the inner surface 210 of the second jig 200.At this moment, if auxiliary film 400 is by pressure sensitive adhesive and multiple optical films
Layer 500 is pasted together, then negative pressure source is kept it turning on so that negative-pressure ward hole 211 can continue to adsorb, and maintain multiple optics
Second jig 200 of film layer 500 and auxiliary film 400 can be moved in ultraviolet illumination area, so that pressure sensitive adhesive passes through ultraviolet light
Viscosity is reduced after illumination, consequently facilitating the separation of multiple optical film layers 500 and auxiliary film 400.Alternatively, negative pressure source is closed, make
It obtains negative-pressure ward hole 211 and stops absorption, then multiple optical film layers 500 can be detached from the inner surface 210 of the second jig 200.Change speech
It, can remove multiple optical film layers 500 and auxiliary film 400 from the inner surface 210 of the second jig 200.
In the following, the applying method of foldable display panel according to the present invention is described in detail in conjunction with Fig. 5 and Fig. 6 A- Fig. 6 E
A kind of embodiment.
As shown in figure 5, multiple optical film layers are fit together with stacked structure.
In order to illustrate more clearly of applying method, here by taking the fitting of rotatory polarization piece and touch panel as an example, other optics
The applying method of film layer is identical with this, and can specifically include following steps：
A) as shown in Figure 6A, rotatory polarization piece and touch panel are pasted together in a flat state.In order to ensure to paste
Effect, plane idler wheel may be used or pressing plate is pressed, the pressure of pressing is preferably 2kg-8kg.
B) as shown in Figure 6B, the rotatory polarization piece and touch panel that are pasted together are pasted on to the upper table of auxiliary film 400 again
On face 410.Similarly, in order to ensure the effect pasted, plane idler wheel may be used or pressing plate is pressed, the pressure of pressing is excellent
Choosing is 2kg-8kg.
C) as shown in Figure 6 C, the auxiliary film 100 for being pasted with rotatory polarization piece and touch panel is releasably securable to fix
On unit 600；Meanwhile providing the first jig 100 of the outer surface 110 with convex.
D) as shown in Figure 6 D, relatively moved between fixed cell 600 and the first jig 100, so that being fixed on fixation
The lower surface 420 of auxiliary film 400 on unit 600 is tightly attached on the outer surface 110 of the first jig 100；
E) as illustrated in fig. 6e, the second jig 200 of the inner surface 210 with spill, the inner surface of the second jig 200 are provided
210 match in shape with the outer surface 110 of the first jig 100, opposite between the first jig 100 and the second jig 200 to move
It is dynamic so that the inner surface 210 of the outer surface 110 of the first jig 100 and the second jig 200 is aligned and abuts, to glue
The rotatory polarization piece and touch panel being affixed on the upper surface 410 of auxiliary film 400 fit together.Laminating type can take vacuum
Fitting, laminate pressure are preferably 2kg-8kg.
Rotatory polarization piece and touch panel fit together and form bending laminating layer in curved manner as a result,.
In order to which the bending laminating layer after fitting is completely without damage taken from the first jig 100 and the second jig 200
Go out, the applying method of foldable display panel according to the present invention further includes step g), when the outer surface 110 of the first jig 100
After being abutted with the inner surface 210 of the second jig 200 and rotatory polarization piece and touch panel being made to fit together, it is set to
The bending laminating layer to fit together is adsorbed in negative-pressure ward hole 211 on the inner surface 210 of two jigs 200, the first jig 100 with
It is relatively moved between second jig 200 so that the auxiliary film 400 being pasted together with bending laminating layer is detached from the first jig 100
Outer surface 110.
In the case where being coated with pressure sensitive adhesive on the upper surface of auxiliary film 400 410, after step g), it is adsorbed with bending patch
The second jig 200 for closing floor and auxiliary film 400 is placed in ultraviolet illumination area, on the upper surface 410 of such auxiliary film 400
Pressure sensitive adhesive can reduce viscosity after ultraviolet illumination, in order to make bending laminating layer be detached with auxiliary film 400, such as Fig. 6 F institutes
Show.
In the case where using other viscose glues on the upper surface of auxiliary film 400 410, after step g), people can be taken
Work or the mode of machine make bending laminating layer be detached with auxiliary film 400.For example, the negative pressure on the inner surface 210 of the second jig 200
Suction hole 211 keeps absorption bending laminating layer, fixed cell 600 to be kept fixed auxiliary film 400, when the second jig 200 and fixes
Relatively moved between unit 600 and far from when, so that it may so that bending laminating layer detached with auxiliary film 400.
After bending laminating layer is detached with auxiliary film 400, negative pressure source is closed, and bending is no longer adsorbed in negative-pressure ward hole 211
Laminating layer.At this point, bending laminating layer can be removed from the inner surface 210 of the second jig 200 easily.
Similarly, transparent optical cement and display device can also be made to be fitted in curved manner using above-mentioned applying method
Together, as shown in Figure 7.
Next, above-mentioned applying method is used to make rotatory polarization piece, touch panel, transparent optical cement, display device with curved again
Bent mode fits together, as shown in Figure 8.
And so on, foldable display panel may be constructed using multiple optical film layers made of above-mentioned applying method.
Embodiment and advantage above-mentioned are merely exemplary, and cannot be considered as limitation of the present invention.Description herein purport
In example, rather than limit the scope of the claims.For a person skilled in the art, a variety of alternatives, remodeling and
Modification will be apparent from.Feature, structure, method and the other characteristics of exemplary embodiments described herein can be more
Kind mode combines, to obtain other and/or interchangeable exemplary embodiment.
Since without departing substantially from the characteristic of the present invention, the feature of the present invention can be embodied in a variety of forms, so
It should also be understood that above-described embodiment is not limited to any details described above, unless otherwise indicated, and should be broadly
It is construed in range defined in the appended claims, therefore, falls into the scope of the claims and boundary or this range
With in the equivalent scheme of boundary all modifications and remodeling should all cover for appended claims.
The exemplary embodiment of the present invention occurred in the present patent application is not necessarily to be construed as to the appended claims
Application limited.Verb " comprising " is used as open restriction in the present patent application, and opening restriction, which is not precluded, not to be arranged
The presence of the feature of act.Unless otherwise indicated, the feature being recited in mutually different dependent can be freely combined with each other.It is considered this
The novel feature of the characteristic of invention is especially stated in the dependent claims.
Claims (10)
1. a kind of laminating apparatus of foldable display panel, including：
First jig, the outer surface with convex,
Second jig, the inner surface with spill, the inner surface match in shape with the outer surface of first jig；
The upper surface of auxiliary film, the auxiliary film can paste multiple optical film layers；
Fixed cell, for releasably supporting and fixing the auxiliary film；
Wherein, it can be relatively moved between the fixed cell and first jig, so that being fixed on described fixed single
The lower surface of the auxiliary film in member can be tightly attached on the outer surface of first jig；
It can be relatively moved between first jig and second jig so that the outer surface of first jig and described
The inner surface of second jig can be aligned and abut, the multiple on the upper surface of the auxiliary film to be pasted on
Optical film layer fits together.
2. laminating apparatus as described in claim 1, wherein the interior table of the outer surface of first jig and second jig
At least one of face is made of flexible material.
3. laminating apparatus as described in claim 1, wherein the laminating apparatus further includes mobile unit, first jig
It is moved by the mobile unit at least one of second jig.
4. laminating apparatus as claimed in claim 4, wherein the mobile unit is built-in with motor or vapour pneumatically or hydraulically
Cylinder.
5. laminating apparatus as described in claim 1, wherein pressure sensitive adhesive is coated on the upper surface of the auxiliary film, for pasting
The multiple optical film layer, the pressure sensitive adhesive can reduce viscosity after ultraviolet illumination.
6. laminating apparatus as described in claim 1, wherein the inner surface of second jig is equipped with negative-pressure ward hole, institute
The multiple optical film layer can be adsorbed by stating negative-pressure ward hole, consequently facilitating make to be pasted together with the multiple optical film layer
The auxiliary film is detached from the outer surface of first jig.
7. a kind of applying method of foldable display panel, includes the following steps：
A) multiple optical film layers are pasted together in a flat state；
B) the multiple optical film layer being pasted together is pasted on the upper surface of auxiliary film；
C) auxiliary film for being pasted with the multiple optical film layer is releasably securable on fixed cell；
D) the first jig for providing the outer surface with convex, relatively moves between the fixed cell and first jig,
So that the lower surface for the auxiliary film being fixed on the fixed cell is tightly attached on the outer surface of first jig,
E) second jig of the inner surface with spill, the appearance of the inner surface of second jig and first jig are provided
Face matches in shape, is relatively moved between first jig and second jig so that outside first jig
The inner surface of surface and second jig is aligned and abuts, to be pasted on the institute on the upper surface of the auxiliary film
Multiple optical film layers are stated to fit together.
8. applying method as claimed in claim 7, further comprising the steps of：
G) when the inner surface of the outer surface of first jig and second jig abuts and makes the multiple optical film
After layer fits together, the multiple optical film is adsorbed in the negative-pressure ward hole being set on the inner surface of second jig
Layer, relatively moves so that be pasted together with the multiple optical film layer between first jig and second jig
The auxiliary film is detached from the outer surface of first jig.
9. applying method as claimed in claim 8, wherein pressure sensitive adhesive is coated on the upper surface of the auxiliary film, in step g)
Later, second jig for being adsorbed with the multiple optical film layer and the auxiliary film is placed in ultraviolet illumination area, institute
Viscosity can be reduced after ultraviolet illumination by stating the pressure sensitive adhesive on the upper surface of auxiliary film, in order to make the multiple optical film
Layer and the auxiliary UF membrane.
10. a kind of foldable display panel, wherein multiple optical film layers included by the foldable display panel are using such as
Applying method described in any one of claim 7-9 is made.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110865740A (en) * | 2019-11-26 | 2020-03-06 | 京东方科技集团股份有限公司 | Carrier film and preparation method thereof |
| CN110930882A (en) * | 2019-12-02 | 2020-03-27 | Oppo（重庆）智能科技有限公司 | Flexible display panel laminating device and method |
| CN110930887A (en) * | 2019-12-25 | 2020-03-27 | 联想(北京)有限公司 | Preparation method and system and folding display screen |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103824519A (en) * | 2012-11-19 | 2014-05-28 | 三星显示有限公司 | Method and apparatus for manufacturing flexible display device |
| CN203983240U (en) * | 2012-06-29 | 2014-12-03 | 三星显示有限公司 | For the manufacture of the device of display device |
| KR20150096029A (en) * | 2014-02-13 | 2015-08-24 | 희성전자 주식회사 | Attaching apparatus and method using the same |
| WO2017066364A1 (en) * | 2015-10-13 | 2017-04-20 | Corning Incorporated | Bendable electronic device modules, articles and methods of making the same |
| CN107113926A (en) * | 2015-01-16 | 2017-08-29 | 夏普株式会社 | Display device, the joint tool for making the display device, laminating apparatus, the manufacture method for stretching tool and display device |
-
2018
- 2018-06-08 CN CN201810587688.6A patent/CN108773142B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203983240U (en) * | 2012-06-29 | 2014-12-03 | 三星显示有限公司 | For the manufacture of the device of display device |
| CN103824519A (en) * | 2012-11-19 | 2014-05-28 | 三星显示有限公司 | Method and apparatus for manufacturing flexible display device |
| KR20150096029A (en) * | 2014-02-13 | 2015-08-24 | 희성전자 주식회사 | Attaching apparatus and method using the same |
| CN107113926A (en) * | 2015-01-16 | 2017-08-29 | 夏普株式会社 | Display device, the joint tool for making the display device, laminating apparatus, the manufacture method for stretching tool and display device |
| WO2017066364A1 (en) * | 2015-10-13 | 2017-04-20 | Corning Incorporated | Bendable electronic device modules, articles and methods of making the same |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020258762A1 (en) * | 2019-06-28 | 2020-12-30 | 云谷（固安）科技有限公司 | Curved display panel bonding method |
| CN112289175A (en) * | 2019-07-24 | 2021-01-29 | 北京小米移动软件有限公司 | Display panel manufacturing method, display panel and terminal |
| CN110865740A (en) * | 2019-11-26 | 2020-03-06 | 京东方科技集团股份有限公司 | Carrier film and preparation method thereof |
| CN111145642A (en) * | 2019-11-29 | 2020-05-12 | 维沃移动通信有限公司 | Assembling tool and process |
| CN110930882A (en) * | 2019-12-02 | 2020-03-27 | Oppo（重庆）智能科技有限公司 | Flexible display panel laminating device and method |
| CN110930887A (en) * | 2019-12-25 | 2020-03-27 | 联想(北京)有限公司 | Preparation method and system and folding display screen |
| CN111105715A (en) * | 2020-01-03 | 2020-05-05 | 武汉华星光电半导体显示技术有限公司 | Foldable display device and preparation method and jig thereof |
| CN110992838A (en) * | 2020-01-03 | 2020-04-10 | 武汉华星光电半导体显示技术有限公司 | Foldable display device and method of manufacturing the same |
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| CN110992838B (en) * | 2020-01-03 | 2022-01-04 | 武汉华星光电半导体显示技术有限公司 | Foldable display device and method of manufacturing the same |
| US11527178B2 (en) | 2020-01-03 | 2022-12-13 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Foldable display device, manufacturing method thereof, and jig |
| US11568767B2 (en) | 2020-01-03 | 2023-01-31 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Foldable display device and manufacturing method thereof |
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| WO2022236904A1 (en) * | 2021-05-08 | 2022-11-17 | 武汉华星光电技术有限公司 | Display panel and manufacturing method therefor |
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