CN110930887A - Preparation method and system and folding display screen - Google Patents
Preparation method and system and folding display screen Download PDFInfo
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- CN110930887A CN110930887A CN201911356582.6A CN201911356582A CN110930887A CN 110930887 A CN110930887 A CN 110930887A CN 201911356582 A CN201911356582 A CN 201911356582A CN 110930887 A CN110930887 A CN 110930887A
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- 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
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- 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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Abstract
The application discloses preparation method, system and folding display screen, when being no less than two kinds of laminating materials crooked to first state, laminate no less than two kinds of laminating materials to the stress that the device that forms after the messenger is no less than two kinds of laminating materials laminating received at folding in-process is less than first threshold value. This scheme is through when being no less than two kinds of laminating materials crooked to first state, laminate it, thereby make the stress that the device that forms after the laminating received at folding in-process less, make because the stress that two kinds of materials received is less at folding in-process, lead to when folding number of times increases, the problem of the adhesive layer cohesion inefficacy of having avoided the laminating in-process of many kinds of laminating materials to form as far as possible, the collapsible number of times of the folding display screen by being no less than two kinds of laminating material laminating back formation has been improved.
Description
Technical Field
The application relates to the field of preparation, in particular to a preparation method and system and a folding display screen.
Background
At present, among the folding display terminal, folding display screen is at the in-process of buckling, and inside functional layer passes through the glue film and bonds, and the glue film can bear the biggest atress, along with the increase of the number of times of buckling, and the glue film is tired, and the cohesion that can appear the glue film is inefficacy, leads to folding display screen to buckle the failure.
Disclosure of Invention
In view of this, the present application provides a method and a system for manufacturing a foldable display screen, and the specific scheme is as follows:
a method of making, comprising:
when being not less than two kinds of laminating materials and bending to first state, it is right be not less than two kinds of laminating materials laminate, so that the stress that the device that forms after being not less than two kinds of laminating materials laminating received at folding in-process is less than first threshold value.
Further, the first state is:
when the two or more bonding materials are bent until the curvature radius reaches a second threshold value, the stress applied to the device formed after bonding in the folding process is smaller than the stress applied to the device formed by bonding when the two or more bonding materials are in a non-bending state in the folding process.
Further, the first state is:
when the two or more bonding materials are bent to the curvature radius reaching the second threshold value, the stress applied to the device formed after bonding in the folding process is smaller than the stress applied to the device formed by bonding when the two or more bonding materials are bent to the curvature radius reaching the third threshold value in the folding process, wherein the third threshold value is the other threshold values except the second threshold value in the curvature radius which can be reached by the two or more bonding materials in the bending process.
Further, the stress that the device that forms after being laminated of two kinds of laminating materials of no less than receives in folding process is less than first threshold value, includes:
in the folding process of the device formed by the attaching of the at least two attaching materials, the sum of stresses from the beginning of folding to the end of folding is less than a first threshold value;
or the like, or, alternatively,
the stress applied to the device formed by the two or more bonding materials after bonding in the state of being folded is smaller than a first threshold value.
A manufacturing system, comprising:
and the laminating unit is used for laminating at least two laminating materials when the two laminating materials are bent to a first state, so that the stress of the device formed after the two laminating materials are laminated is smaller than a first threshold value in the folding process.
Further, the first state is:
when the two or more bonding materials are bent until the curvature radius reaches a second threshold value, the stress applied to the device formed after bonding in the folding process is smaller than the stress applied to the device formed by bonding when the two or more bonding materials are in a non-bending state in the folding process.
Further, the first state is:
when the two or more bonding materials are bent to the curvature radius reaching the second threshold value, the stress applied to the device formed after bonding in the folding process is smaller than the stress applied to the device formed by bonding when the two or more bonding materials are bent to the curvature radius reaching the third threshold value in the folding process, wherein the third threshold value is the other threshold values except the second threshold value in the curvature radius which can be reached by the two or more bonding materials in the bending process.
Further, the stress that the device that forms after being laminated of two kinds of laminating materials of no less than receives in folding process is less than first threshold value, includes:
in the folding process of the device formed by the attaching of the at least two attaching materials, the sum of stresses from the beginning of folding to the end of folding is less than a first threshold value;
or the like, or, alternatively,
the stress applied to the device formed by the two or more bonding materials after bonding in the state of being folded is smaller than a first threshold value.
A folding display screen, comprising:
be no less than two kinds of laminating materials, be no less than two kinds of laminating materials and be crooked when first state, laminate and form folding display screen, be no less than the stress that the device that forms behind two kinds of laminating materials laminating received at folding in-process is less than first threshold value.
Further, the first state is:
when the two or more bonding materials are bent until the curvature radius reaches a second threshold value, the stress applied to the device formed after bonding in the folding process is smaller than the stress applied to the device formed by bonding when the two or more bonding materials are in a non-bending state in the folding process.
According to the technical scheme, the preparation method, the system and the folding display screen disclosed by the application can be used for laminating at least two bonding materials when the at least two bonding materials are bent to the first state, so that the stress applied to the device formed after the at least two bonding materials are laminated in the folding process is smaller than the first threshold value. This scheme is through when being no less than two kinds of laminating materials crooked to first state, laminate it, thereby make the stress that the device that forms after the laminating received at folding in-process less, make because the stress that two kinds of materials received is less at folding in-process, lead to when folding number of times increases, the problem of the adhesive layer cohesion inefficacy of having avoided the laminating in-process of many kinds of laminating materials to form as far as possible, the collapsible number of times of the folding display screen by being no less than two kinds of laminating material laminating back formation has been improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of a display screen in an unfolded state according to an embodiment of the present application;
fig. 2 is a schematic view of a display screen according to an embodiment of the present application in a folded state;
fig. 3 is a schematic diagram illustrating a process of moving a display screen from an unfolded state to a folded state according to an embodiment of the present application;
FIG. 4 is a schematic view of the attachment of at least two attachment materials in the prior art;
FIG. 5 is a graph showing the stress profile of an optical adhesive applied by a conventional bonding method;
fig. 6 is a schematic view of a bonding manner disclosed in the embodiment of the present application;
fig. 7 is a stress curve diagram of an optical adhesive in a bonding method according to an embodiment of the disclosure.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The application discloses a preparation method, which comprises the following steps:
when being not less than two kinds of laminating materials and crooked to first state, laminate not less than two kinds of laminating materials to the stress that the device that forms after making to be not less than two kinds of laminating materials laminating received in folding process is less than first threshold value.
Foldable display screens typically have two states, namely a display screen in an unfolded state and a display screen in a folded state.
When the display screen is in the unfolded state, as shown in fig. 1, at this time, the foldable display screen is in a flat state, and the electronic device is in a state of being normally used; when the display screen is in a folded state, as shown in fig. 2, one part of the display screen is folded to the upper surface of the other part, so that the electronic device is convenient to carry; fig. 3 is a process of folding the display screen from the flat state shown in fig. 1 to the folded state shown in fig. 2.
The display screen is generally made by laminating not less than two laminating materials, for example: a screen body panel, OCA2 optical cement, SUS steel sheet, etc., wherein the screen body panel is generally an OLED. The display screen can be formed by bonding the at least three bonding materials, and specifically, the screen body and the SUS steel sheet are bonded together through OCA2 optical cement.
In the process of attaching at least two kinds of attaching materials, if the attaching mode shown in fig. 4 is adopted, fig. 4 includes: a platform 41, a SUS steel sheet 42, OCA optical cement 43 and a screen body 44. Namely, at least two bonding materials are placed on a flat plane for bonding to form a foldable display screen after bonding, and the stress on OCA optical cement in the middle of the foldable display screen is 0 when the display screen is in an unfolded state; in the process of folding the display screen, along with the reduction of the folding angle, the stress borne by the optical cement is gradually increased until the folding is finished, and the stress borne by the optical cement reaches the maximum.
As shown in fig. 5, when the display screen is in the unfolded state T1, the stress applied to the optical cement is 0, and along with the folding process of the display screen, the stress applied to the optical cement gradually increases until the folding process is completed, and reaches the folded state T0, at this time, the stress applied to the optical cement is the maximum value K1; during the process of changing from the folded state T0 to the unfolded state T1, the stress applied to the optical cement gradually decreases until the stress applied to the optical cement is 0 in the unfolded state T1.
From above analysis, when the display screen adopts the laminating of figure 4 on straight plane, when the display screen was in fold condition, the stress that the optical cement received reached the maximum value, if be in fold condition all the time, then the optical cement was in the state of stress maximum value all the time, along with folding number of times or the increase of time, the adhesive layer fatigue can appear to the optical cement, the problem of cohesion inefficacy to the life of display screen has been reduced.
In order to solve the problem, in the scheme, when being not less than two kinds of laminating materials and bending to the first state, the laminating is carried out, namely, the laminating is carried out when being not less than two kinds of laminating materials and bending to a certain degree, and the laminating is not carried out when being not less than two kinds of laminating materials and being in a straight state. The two kinds of laminating materials are laminated when being bent to the first state, so that stress applied to the display screen formed after the two kinds of laminating materials are laminated is smaller than a first threshold value in the folding process.
As shown in fig. 6, which is a schematic view illustrating that at least two kinds of bonding materials are bonded according to the present embodiment, fig. 6 includes: the jig 61, the SUS steel sheet 62, the OCA optical cement 63 and the screen body 64 are in the first state, wherein the jig is not adopted, and at least two attaching materials can be directly bent to the first state.
The display screen formed by adopting the attaching mode is attached when at least two attaching materials are bent to a first state, and when the display screen is in an unfolded state, the stress borne by the optical cement is K2; along with the folding of the display screen, when the display screen is folded to a first state, the stress borne by the optical cement is 0; in the process that the display screen is in the unfolded state to the first state, the stress borne by the optical cement is gradually reduced until the stress reaches 0; and the display screen is continuously folded from the first state until the display screen reaches the folded state, and the folding is completed, at the moment, the stress borne by the optical cement does not reach the maximum stress K1 but reaches K3, wherein K3 is smaller than K1.
The stress curve is shown in fig. 7, when the display screen is in an unfolded state T1, the stress borne by the optical cement is K2, the stress borne by the optical cement gradually decreases along with the folding of the display screen until the first state T2 is reached, the stress borne by the optical cement is 0, the stress borne by the optical cement gradually increases along with the continuous folding of the display screen until the folded state T0 is reached, at this time, the stress borne by the optical cement reaches K3, and K3 is far smaller than K1.
It should be noted that, in this embodiment, the stress K2 borne by the optical cement when the display screen is in the unfolded state and the stress K3 borne by the optical cement when the display screen is in the folded state do not limit the absolute value of K2 to be smaller than the absolute value of K3, but the absolute value of K2 may be larger than the absolute value of K3, and in any case, the absolute value of K2 and the absolute value of K3 are both smaller than the absolute value of K1.
By the analysis, the optical glue can be definitely attached when at least two attaching materials are bent to the first state, the stress borne by the optical glue is smaller than the stress borne by the at least two attaching materials when the optical glue is in a straight state in the using process, and the stress borne by the optical glue is in the using process.
In addition, the stress that the device that forms after guaranteeing to be no less than two kinds of laminating materials laminating received in folding process is less than first threshold value, and wherein, first threshold value can be: the maximum stress value that the device formed after the two or more bonding materials are bonded in a straight state is K1 in the using process.
The preparation method disclosed in this embodiment is to laminate at least two kinds of bonding materials when the at least two kinds of bonding materials are bent to a first state, so that stress applied to a device formed after the at least two kinds of bonding materials are laminated in a folding process is smaller than a first threshold value. This scheme is through when being no less than two kinds of laminating materials crooked to first state, laminate it, thereby make the stress that the device that forms after the laminating received at folding in-process less, make because the stress that two kinds of materials received is less at folding in-process, lead to when folding number of times increases, the problem of the adhesive layer cohesion inefficacy of having avoided the laminating in-process of many kinds of laminating materials to form as far as possible, the collapsible number of times of the folding display screen by being no less than two kinds of laminating material laminating back formation has been improved.
The embodiment discloses a preparation method, which comprises the following steps:
when being no less than two kinds of laminating materials crooked to first state, laminate not less than two kinds of laminating materials to the stress that the device that forms after making to be no less than two kinds of laminating materials laminating receives at folding in-process is less than first threshold value, and wherein, first state is: when the two or more bonding materials are bent until the curvature radius reaches a second threshold value, the stress applied to the device formed after bonding in the folding process is smaller than the stress applied to the device formed by bonding when the two or more bonding materials are in a non-bending state in the folding process.
The first state is further limited in the scheme disclosed in the embodiment, wherein the first state is determined by the value of the curvature radius of at least two kinds of bonding materials in bending, that is, as long as the curvature radius reaches the second threshold value, it can be ensured that the stress applied to the device formed after bonding in the folding process is less than the stress applied to the device formed by bonding when at least two kinds of bonding materials are in the non-bending state in the folding process.
The first state is not determined only when the radius of curvature is a specific value, but may be determined as the first state only when the radius of curvature reaches the second threshold, which may be equal to or greater than the second threshold.
Further, as long as guarantee to laminate when being not less than two kinds of laminating materials for non-bending state, the stress that the device that forms after its laminating received in folding process all can be less than and is not less than the stress that the device that forms of laminating received in folding process when two kinds of laminating materials were in non-bending state.
Or the stress applied to the device formed after the device is attached when the curvature radius is at a certain specific value in the folding process is smaller than the stress applied to the device formed by the device attached when the device is at other curvature radii in the folding process, namely the curvature radius when the stress is at the minimum is ensured to be attached. It is curved to the curvature radius when reaching the second threshold value promptly to be no less than two kinds of laminating materials, and the stress that the device that forms after the laminating received in folding process is less than and is no less than the stress that the device that two kinds of laminating materials curved when reaching the third threshold value received in folding process of laminating formation, and wherein, the third threshold value is for being no less than other threshold values except the second threshold value in the curvature radius that two kinds of laminating materials can reach in bending process, and when curvature radius was the second threshold value promptly, the stress that the device that is no less than two kinds of laminating materials laminating formation received in folding process was the minimum.
Wherein, be no less than two kinds of laminating material laminating back devices that form and be less than first threshold value at the stress that folding in-process received, can be:
the stress applied to the device formed by the attached two or more attaching materials from the beginning of folding to the end of folding is smaller than a first threshold value in the folding process, or the stress applied to the device formed by the attached two or more attaching materials in the state of the device at the end of folding is smaller than the first threshold value.
That is, the stress less than the first threshold may be: the sum of the stresses to which it is subjected during folding is less than the first threshold value, or, at the end of folding, in the folded state in which it is completely folded, i.e. only in this state, is less than the first threshold value.
The preparation method disclosed in this embodiment is to laminate at least two kinds of bonding materials when the at least two kinds of bonding materials are bent to a first state, so that stress applied to a device formed after the at least two kinds of bonding materials are laminated in a folding process is smaller than a first threshold value. This scheme is through when being no less than two kinds of laminating materials crooked to first state, laminate it, thereby make the stress that the device that forms after the laminating received at folding in-process less, make because the stress that two kinds of materials received is less at folding in-process, lead to when folding number of times increases, the problem of the adhesive layer cohesion inefficacy of having avoided the laminating in-process of many kinds of laminating materials to form as far as possible, the collapsible number of times of the folding display screen by being no less than two kinds of laminating material laminating back formation has been improved.
The embodiment discloses a preparation system, including: and a bonding unit.
Wherein, the laminating unit is used for when being no less than two kinds of laminating materials and crooked to first state, laminating no less than two kinds of laminating materials to the stress that the device that forms after the messenger is no less than two kinds of laminating materials laminating received at folding in-process is less than first threshold value.
Foldable display screens typically have two states, namely a display screen in an unfolded state and a display screen in a folded state.
When the display screen is in the unfolded state, as shown in fig. 1, at this time, the foldable display screen is in a flat state, and the electronic device is in a state of being normally used; when the display screen is in a folded state, as shown in fig. 2, one part of the display screen is folded to the upper surface of the other part, so that the electronic device is convenient to carry; fig. 3 is a process of folding the display screen from the flat state shown in fig. 1 to the folded state shown in fig. 2.
The display screen is generally made by laminating not less than two laminating materials, for example: a screen body panel, OCA2 optical cement, SUS steel sheet, etc., wherein the screen body panel is generally an OLED. The display screen can be formed by bonding the at least three bonding materials, and specifically, the screen body and the SUS steel sheet are bonded together through OCA2 optical cement.
In the process of attaching at least two kinds of attaching materials, if the attaching mode shown in fig. 4 is adopted, fig. 4 includes: a platform 41, a SUS steel sheet 42, OCA optical cement 43 and a screen body 44. Namely, at least two bonding materials are placed on a flat plane for bonding to form a foldable display screen after bonding, and the stress on OCA optical cement in the middle of the foldable display screen is 0 when the display screen is in an unfolded state; in the process of folding the display screen, along with the reduction of the folding angle, the stress borne by the optical cement is gradually increased until the folding is finished, and the stress borne by the optical cement reaches the maximum.
As shown in fig. 5, when the display screen is in the unfolded state T1, the stress applied to the optical cement is 0, and along with the folding process of the display screen, the stress applied to the optical cement gradually increases until the folding process is completed, and reaches the folded state T0, at this time, the stress applied to the optical cement is the maximum value K1; during the process of changing from the folded state T0 to the unfolded state T1, the stress applied to the optical cement gradually decreases until the stress applied to the optical cement is 0 in the unfolded state T1.
From above analysis, when the display screen adopts the laminating of figure 4 on straight plane, when the display screen was in fold condition, the stress that the optical cement received reached the maximum value, if be in fold condition all the time, then the optical cement was in the state of stress maximum value all the time, along with folding number of times or the increase of time, the adhesive layer fatigue can appear to the optical cement, the problem of cohesion inefficacy to the life of display screen has been reduced.
In order to solve the problem, in the scheme, when being not less than two kinds of laminating materials and bending to the first state, the laminating is carried out, namely, the laminating is carried out when being not less than two kinds of laminating materials and bending to a certain degree, and the laminating is not carried out when being not less than two kinds of laminating materials and being in a straight state. The two kinds of laminating materials are laminated when being bent to the first state, so that stress applied to the display screen formed after the two kinds of laminating materials are laminated is smaller than a first threshold value in the folding process.
As shown in fig. 6, which is a schematic view illustrating that at least two kinds of bonding materials are bonded according to the present embodiment, fig. 6 includes: the jig 61, the SUS steel sheet 62, the OCA optical cement 63 and the screen body 64 are in the first state, wherein the jig is not adopted, and at least two attaching materials can be directly bent to the first state.
The display screen formed by adopting the attaching mode is attached when at least two attaching materials are bent to a first state, and when the display screen is in an unfolded state, the stress borne by the optical cement is K2; along with the folding of the display screen, when the display screen is folded to a first state, the stress borne by the optical cement is 0; in the process that the display screen is in the unfolded state to the first state, the stress borne by the optical cement is gradually reduced until the stress reaches 0; and the display screen is continuously folded from the first state until the display screen reaches the folded state, and the folding is completed, at the moment, the stress borne by the optical cement does not reach the maximum stress K1 but reaches K3, wherein K3 is smaller than K1.
The stress curve is shown in fig. 7, when the display screen is in an unfolded state T1, the stress borne by the optical cement is K2, the stress borne by the optical cement gradually decreases along with the folding of the display screen until the first state T2 is reached, the stress borne by the optical cement is 0, the stress borne by the optical cement gradually increases along with the continuous folding of the display screen until the folded state T0 is reached, at this time, the stress borne by the optical cement reaches K3, and K3 is far smaller than K1.
It should be noted that, in this embodiment, the stress K2 borne by the optical cement when the display screen is in the unfolded state and the stress K3 borne by the optical cement when the display screen is in the folded state do not limit the absolute value of K2 to be smaller than the absolute value of K3, but the absolute value of K2 may be larger than the absolute value of K3, and in any case, the absolute value of K2 and the absolute value of K3 are both smaller than the absolute value of K1.
By the analysis, the optical glue can be definitely attached when at least two attaching materials are bent to the first state, the stress borne by the optical glue is smaller than the stress borne by the at least two attaching materials when the optical glue is in a straight state in the using process, and the stress borne by the optical glue is in the using process.
In addition, the stress that the device that forms after guaranteeing to be no less than two kinds of laminating materials laminating received in folding process is less than first threshold value, and wherein, first threshold value can be: the maximum stress value that the device formed after the two or more bonding materials are bonded in a straight state is K1 in the using process.
Further, the first state is:
when the two or more bonding materials are bent until the curvature radius reaches a second threshold value, the stress applied to the device formed after bonding in the folding process is smaller than the stress applied to the device formed by bonding when the two or more bonding materials are in a non-bending state in the folding process.
The first state is further limited in the scheme disclosed in the embodiment, wherein the first state is determined by the value of the curvature radius of at least two kinds of bonding materials in bending, that is, as long as the curvature radius reaches the second threshold value, it can be ensured that the stress applied to the device formed after bonding in the folding process is less than the stress applied to the device formed by bonding when at least two kinds of bonding materials are in the non-bending state in the folding process.
The first state is not determined only when the radius of curvature is a specific value, but may be determined as the first state only when the radius of curvature reaches the second threshold, which may be equal to or greater than the second threshold.
Further, as long as guarantee to laminate when being not less than two kinds of laminating materials for non-bending state, the stress that the device that forms after its laminating received in folding process all can be less than and is not less than the stress that the device that forms of laminating received in folding process when two kinds of laminating materials were in non-bending state.
Or the stress applied to the device formed after the device is attached when the curvature radius is at a certain specific value in the folding process is smaller than the stress applied to the device formed by the device attached when the device is at other curvature radii in the folding process, namely the curvature radius when the stress is at the minimum is ensured to be attached. It is curved to the curvature radius when reaching the second threshold value promptly to be no less than two kinds of laminating materials, and the stress that the device that forms after the laminating received in folding process is less than and is no less than the stress that the device that two kinds of laminating materials curved when reaching the third threshold value received in folding process of laminating formation, and wherein, the third threshold value is for being no less than other threshold values except the second threshold value in the curvature radius that two kinds of laminating materials can reach in bending process, and when curvature radius was the second threshold value promptly, the stress that the device that is no less than two kinds of laminating materials laminating formation received in folding process was the minimum.
Wherein, be no less than two kinds of laminating material laminating back devices that form and be less than first threshold value at the stress that folding in-process received, can be:
the stress applied to the device formed by the attached two or more attaching materials from the beginning of folding to the end of folding is smaller than a first threshold value in the folding process, or the stress applied to the device formed by the attached two or more attaching materials in the state of the device at the end of folding is smaller than the first threshold value.
That is, the stress less than the first threshold may be: the sum of the stresses to which it is subjected during folding is less than the first threshold value, or, at the end of folding, in the folded state in which it is completely folded, i.e. only in this state, is less than the first threshold value.
The preparation system that this embodiment discloses, when being no less than two kinds of laminating materials and crooked to first state, to being no less than two kinds of laminating materials laminating to the stress that the device that forms after the messenger is no less than two kinds of laminating materials laminating received in folding process is less than first threshold value. This scheme is through when being no less than two kinds of laminating materials crooked to first state, laminate it, thereby make the stress that the device that forms after the laminating received at folding in-process less, make because the stress that two kinds of materials received is less at folding in-process, lead to when folding number of times increases, the problem of the adhesive layer cohesion inefficacy of having avoided the laminating in-process of many kinds of laminating materials to form as far as possible, the collapsible number of times of the folding display screen by being no less than two kinds of laminating material laminating back formation has been improved.
The embodiment discloses a folding display screen, includes: not less than two bonding materials.
Wherein, be no less than two kinds of laminating materials when crooked to first state, carry out the folding display screen that the laminating formed, be no less than the stress that the device that two kinds of laminating materials formed after the laminating received at folding in-process is less than first threshold value.
When the curvature radius of the first state is not less than the curvature radius of the two bonding materials in bending and reaches a second threshold value, stress applied to the device formed after bonding in the folding process is less than stress applied to the device formed by bonding when the two bonding materials are not less than the curvature radius of the two bonding materials in the bending state in the folding process.
The foldable display screen disclosed in this embodiment is manufactured by the method disclosed in the above embodiment, and details are not described herein.
The folding display screen that this embodiment discloses is being no less than two kinds of laminating materials and is laminating to two kinds of laminating materials when crooked to first state to the stress that the device that forms after the messenger is no less than two kinds of laminating materials laminating receives is less than first threshold value at folding in-process. This scheme is through when being no less than two kinds of laminating materials crooked to first state, laminate it, thereby make the stress that the device that forms after the laminating received at folding in-process less, make because the stress that two kinds of materials received is less at folding in-process, lead to when folding number of times increases, the problem of the adhesive layer cohesion inefficacy of having avoided the laminating in-process of many kinds of laminating materials to form as far as possible, the collapsible number of times of the folding display screen by being no less than two kinds of laminating material laminating back formation has been improved.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
Those of skill would further appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the various illustrative components and steps have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. A software module may reside in Random Access Memory (RAM), memory, Read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A method of making, comprising:
when being not less than two kinds of laminating materials and bending to first state, it is right be not less than two kinds of laminating materials laminate, so that the stress that the device that forms after being not less than two kinds of laminating materials laminating received at folding in-process is less than first threshold value.
2. The method of claim 1, wherein the first state is:
when the two or more bonding materials are bent until the curvature radius reaches a second threshold value, the stress applied to the device formed after bonding in the folding process is smaller than the stress applied to the device formed by bonding when the two or more bonding materials are in a non-bending state in the folding process.
3. The method of claim 1, wherein the first state is:
when the two or more bonding materials are bent to the curvature radius reaching the second threshold value, the stress applied to the device formed after bonding in the folding process is smaller than the stress applied to the device formed by bonding when the two or more bonding materials are bent to the curvature radius reaching the third threshold value in the folding process, wherein the third threshold value is the other threshold values except the second threshold value in the curvature radius which can be reached by the two or more bonding materials in the bending process.
4. The method of claim 1, wherein the device formed after the attaching of the at least two conformable materials is subjected to a stress less than a first threshold during folding, comprising:
in the folding process of the device formed by the attaching of the at least two attaching materials, the sum of stresses from the beginning of folding to the end of folding is less than a first threshold value;
or the like, or, alternatively,
the stress applied to the device formed by the two or more bonding materials after bonding in the state of being folded is smaller than a first threshold value.
5. A manufacturing system, comprising:
and the laminating unit is used for laminating at least two laminating materials when the two laminating materials are bent to a first state, so that the stress of the device formed after the two laminating materials are laminated is smaller than a first threshold value in the folding process.
6. The system of claim 5, wherein the first state is:
when the two or more bonding materials are bent until the curvature radius reaches a second threshold value, the stress applied to the device formed after bonding in the folding process is smaller than the stress applied to the device formed by bonding when the two or more bonding materials are in a non-bending state in the folding process.
7. The system of claim 5, wherein the first state is:
when the two or more bonding materials are bent to the curvature radius reaching the second threshold value, the stress applied to the device formed after bonding in the folding process is smaller than the stress applied to the device formed by bonding when the two or more bonding materials are bent to the curvature radius reaching the third threshold value in the folding process, wherein the third threshold value is the other threshold values except the second threshold value in the curvature radius which can be reached by the two or more bonding materials in the bending process.
8. The system of claim 5, wherein the device formed by the fit of the at least two conformable materials is subjected to a stress less than a first threshold during folding, comprising:
in the folding process of the device formed by the attaching of the at least two attaching materials, the sum of stresses from the beginning of folding to the end of folding is less than a first threshold value;
or the like, or, alternatively,
the stress applied to the device formed by the two or more bonding materials after bonding in the state of being folded is smaller than a first threshold value.
9. A folding display screen, comprising:
be no less than two kinds of laminating materials, be no less than two kinds of laminating materials and be crooked when first state, laminate and form folding display screen, be no less than the stress that the device that forms behind two kinds of laminating materials laminating received at folding in-process is less than first threshold value.
10. The display screen of claim 9, wherein the first state is:
when the two or more bonding materials are bent until the curvature radius reaches a second threshold value, the stress applied to the device formed after bonding in the folding process is smaller than the stress applied to the device formed by bonding when the two or more bonding materials are in a non-bending state in the folding process.
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| CN201911356582.6A CN110930887A (en) | 2019-12-25 | 2019-12-25 | Preparation method and system and folding display screen |
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| CN201911356582.6A CN110930887A (en) | 2019-12-25 | 2019-12-25 | Preparation method and system and folding display screen |
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