CN114677915A - Display device - Google Patents
Display device Download PDFInfo
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- CN114677915A CN114677915A CN202210130163.6A CN202210130163A CN114677915A CN 114677915 A CN114677915 A CN 114677915A CN 202210130163 A CN202210130163 A CN 202210130163A CN 114677915 A CN114677915 A CN 114677915A
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- Prior art keywords
- curling
- module
- air
- holes
- reel
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- 238000000034 method Methods 0.000 claims abstract description 18
- 238000002788 crimping Methods 0.000 claims description 76
- 239000010410 layer Substances 0.000 claims description 29
- 238000004804 winding Methods 0.000 claims description 16
- 239000012790 adhesive layer Substances 0.000 claims description 9
- 230000007423 decrease Effects 0.000 claims 1
- 210000000746 body region Anatomy 0.000 description 11
- 239000003292 glue Substances 0.000 description 11
- 239000002390 adhesive tape Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003811 curling process Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- ONUFESLQCSAYKA-UHFFFAOYSA-N iprodione Chemical compound O=C1N(C(=O)NC(C)C)CC(=O)N1C1=CC(Cl)=CC(Cl)=C1 ONUFESLQCSAYKA-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
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Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
-
- G—PHYSICS
- 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
- G09F9/33—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 being semiconductor devices, e.g. diodes
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The application discloses a display device, which comprises a scroll and a curling module; the scroll comprises a main body area and an air suction area, and the air suction area is provided with a plurality of air holes; the curling module is curled on the surface of the reel and can be unfolded; and the air holes are used for sucking air in the process that the curling module is curled on the surface of the reel, so that the curling module is tightly curled on the surface of the reel. Through above-mentioned setting, it has the clearance to have reduced to curl between the module in the different number of turns that curl of curling in-process.
Description
Technical Field
The application relates to the technical field of display, in particular to a display device.
Background
With the development of flexible display technology, OLEDs (Organic Light-Emitting diodes) have shown great potential in flexible displays. From a fixed flexible display screen to a foldable display screen, the display screen has the characteristics of large size and portability. In order to further meet the requirement that the display screen can be conveniently stored or carried when not in use, the flexible display screen capable of being rolled attracts more and more attention.
The flexible display screen that can curl is used for fields such as notebook computer, panel computer, on-vehicle mostly considering, and in the aspect of considering such as saving space and convenient to carry, the radius of curling of flexible display screen that can curl constantly reduces, consequently, increasingly high to the design requirement of curling flexible display screen.
The flexible display screen capable of being curled comprises a curling module and a scroll, wherein the curling module is curled and the surface of the scroll, and the fixed curling of the curling module and the scroll is usually realized through double-sided adhesive tapes, so that gaps exist among different curling turns of the curling module in the curling process.
Disclosure of Invention
The application provides a display device, solve among the prior art crimping module crimping in-process, there is the technical problem in clearance between the different number of turns of curling.
In order to solve the above technical problem, a first technical solution provided by the present application is: provided is a display device including: a reel and a crimping module; the scroll comprises a main body area and an air suction area, and the air suction area is provided with a plurality of air holes; the curling module is curled on the surface of the reel and can be unfolded; and the air holes are used for sucking air in the process that the curling module is curled on the surface of the reel, so that the curling module is tightly curled on the surface of the reel.
The reel comprises two suction areas which are respectively positioned at two sides of the main body area; the two suction areas and the main body area are arranged side by side along the axial direction of the reel;
The curling module comprises a main functional area and two secondary functional areas, wherein the two secondary functional areas are positioned on two sides of the main functional area; when the curling module is curled on the surface of the scroll, the main functional area is curled in the main body area, and the two secondary functional areas are curled in the two air suction areas respectively.
The number of turns of the curling module curling around the reel is N, wherein N is more than or equal to 2;
the crimping module comprises a plurality of crimping module sections, wherein the plurality of crimping module sections are from 1 st crimping module section to Nth crimping module section corresponding to 1 st turn to Nth turn; the secondary functional areas of the 1 st to (N-1) th crimping module sections are all provided with a plurality of through holes; when the curling module is curled on the surface of the winding shaft, at least part of the through holes on each curling module section are communicated with the air holes, and each curling module section seals at least part of the through holes on the former curling module section.
When the curling module is curled on the surface of the winding shaft, part of the through holes on each curling module section is communicated with the air holes; the through hole is not formed in the Nth curling module section.
Wherein, from the 1 st curling module section to the (N-1) th curling module section, the number of the through holes arranged on each curling module section is decreased progressively.
Wherein, the crimping module includes: the display device comprises a supporting layer, a flexible display panel and two adhesive layers; the flexible display panel is arranged on one side of the supporting layer; the two adhesive layers are arranged on two sides of the flexible display panel, and are arranged on the same side of the supporting layer with the flexible display panel; the area corresponding to the flexible display panel is the main functional area, and the areas corresponding to the two adhesive layers are the two secondary functional areas; the through hole penetrates through the supporting layer and the adhesive layer.
Wherein a plurality of the air holes are arranged at intervals along the circumference of the scroll.
Wherein a plurality of the air holes are arranged in a plurality of rows along a circumferential direction of the spool; when the curling module curls on the surface of the scroll, each through hole is correspondingly arranged and communicated with at least one row of air holes.
The air hole is a through hole along the thickness direction of the hollow cylindrical body.
Wherein, still include: an air duct and an air pump; the air pump is communicated with the air holes through the air guide pipe; the air pump is used for enabling the air holes to suck air.
The beneficial effect of this application: different from the prior art, the application discloses a display device, which comprises a scroll and a curling module; the scroll comprises a main body area and an air suction area, and the air suction area is provided with a plurality of air holes; the curling module is curled on the surface of the reel and can be unfolded; the plurality of air holes are used for sucking air in the process that the curling module is curled on the surface of the reel, so that the curling module is tightly curled on the surface of the reel. Through above-mentioned setting, reduced and curled the module and curled and have the clearance between the number of turns at different curls in-process.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a display device according to an embodiment of the present application;
FIG. 2 is an exploded view of the display device of FIG. 1;
FIG. 3 is a schematic view of the crimping module of FIG. 2 being crimped to the surface of a spool;
FIG. 4 is a schematic cross-sectional view of a curling module in the display device provided in FIG. 1;
FIG. 5 is a schematic view of a reel according to another embodiment of the present application;
fig. 6 is a schematic top view of a crimping module according to another embodiment of the present disclosure in an unfolded state.
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.
In the following description, for purposes of explanation and not limitation, specific details are set forth such as particular system structures, interfaces, techniques, etc. in order to provide a thorough understanding of the present application.
The terms "first", "second" and "third" in this application are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any indication of the number of technical features indicated. Thus, features defined as "first", "second", and "third" may explicitly or implicitly include at least one of the described features. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless explicitly specifically limited otherwise. All directional indications (such as up, down, left, right, front, and rear … …) in the embodiments of the present application are only used to explain the relative positional relationship between the components, the movement, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indication is changed accordingly. The terms "comprising" and "having" and any variations thereof in the embodiments of the present application are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or may alternatively include other steps or elements inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
The present application will be described in detail with reference to the accompanying drawings and examples.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a display device according to an embodiment of the present application.
The display device comprises a reel 1 and a curling die set 2. The curling die set 2 may be in an unfolded state or may be curled and set on the surface of the reel 1. Through curling the module 2 that will curl and set up in the surface of spool 1, do benefit to and save the shared space of display device, and portable. The reel 1 may be a hollow cylindrical body or a partially hollowed solid cylindrical body, and is designed as required. It will be appreciated that the diameter of the reel 1 can be designed according to the crimping radius of the crimping module 2.
The display device can be a notebook computer, a tablet computer, a vehicle-mounted screen and the like.
At present, after one end of the curling module is fixed on the reel through the double faced adhesive tape, the curling module curls around the reel. During the crimping process, there is a gap between the different turns, i.e. the winding is not tight enough. In view of this, the present application provides a crimping module 2 and a reel 1 to solve the technical problem of gaps existing between different coils in the crimping process.
Referring to fig. 2-4, fig. 2 is an exploded view of the display device shown in fig. 1, fig. 3 is an assembly view of the curling module of fig. 2 curling around the surface of a reel, and fig. 4 is a cross-sectional view of the curling module of the display device shown in fig. 1.
The reel 1 comprises a body region 11 and a suction region 12, the suction region 12 being provided with a plurality of air holes 121. During the process of curling the curling module 2 on the surface of the reel 1, the plurality of air holes 121 are used for sucking air to generate suction force on the curling module 2, so that the curling module 2 is tightly curled on the surface of the reel 1; during the unwinding of the crimping module 2, the plurality of air holes 121 may be used for air inflation to generate tension to the crimping module 2, and separate the crimping module 2 from the winding shaft 1, so that the crimping module 2 is unwound from the surface of the winding shaft 1. Inhale through gas pocket 121 to curling module 2 for curling module 2 can closely curl in spool 1, avoids curling module 2 to have the clearance between the different number of turns of curling in the curling process, has improved the curling form of curling module 2, reduces stress concentration, does benefit to the life-span that promotes curling module 2. Alternatively, a plurality of air holes 121 are provided at intervals along the circumference of the spool 1.
Alternatively, the portion of the suction area 12 of the reel 1 is a hollow cylindrical body, and the air hole 121 is a through hole along the thickness direction of the hollow cylindrical body. For example, the hollow cylindrical body may be a hollow cylinder. The material and size of the reel 1 are not limited, for example, the reel 1 is a metal pipe.
Alternatively, the entire reel 1 is a hollow cylindrical body, and the air hole 121 is a through hole along the thickness direction of the hollow cylindrical body. The hollow cylindrical body may be a hollow cylinder.
In the present embodiment, the reel 1 includes a main body region 11 and two suction regions 12, the two suction regions 12 are respectively located on both sides of the main body region 11, and the two suction regions 12 and the main body region 11 are arranged side by side along the axial direction of the reel 1 (as shown in fig. 2). The crimping module 2 includes a main functional area 21 and two sub-functional areas 22, the two sub-functional areas 22 being located on both sides of the main functional area 21, the two sub-functional areas 22 and the main functional area 21 being arranged side by side along the width W direction of the crimping module 2 (as shown in fig. 2). It will be appreciated that the crimping module 2 shown in figure 2 is arranged in cooperation with the reel 1 shown in figure 2. In other embodiments, the reel 1 may comprise one suction area 12 or three suction areas 12.
When the curling module 2 curls on the surface of the scroll 1, the main functional area 21 curls on the main body area 11, and the two secondary functional areas 22 curl on the two suction areas 12 respectively; that is, the main functional area 21 of the crimping module 2 is provided corresponding to the main area 11 of the reel 1, and the sub-functional area 22 of the crimping module 2 is provided corresponding to the suction area 12 of the reel 1.
In this embodiment, the number of turns of the curling module 2 around the reel 1 is N, where N is greater than or equal to 2 and is an integer. Referring to fig. 4, one end of the winding module 2 is fixed on the winding shaft 1, and the fixed position is defined as a turn number transition position S; the curling die set 2 passes through a turn number transition part S and adds one to the turn number in the process of curling the surface of the reel 1.
The curling die set 2 comprises a plurality of curling die set sections A, and the plurality of curling die set sections A are the 1 st curling die set sections A corresponding to the 1 st to the Nth turns1To Nth crimping module section AN. No. 1 crimping module segment A1To (N-1) th crimping module section AN-1The secondary functional regions 22 are each provided with a plurality of through-holes 23. In this embodiment, the curling module 2 is rectangular, a direction parallel to the reel 1 of the curling module 2 is defined as a width W direction, and a direction perpendicular to the reel 1 is defined as a length direction; the through holes 23 are provided in parallel at intervals along the longitudinal direction of the crimping module 2.
When the curling module 2 curls on the surface of the scroll 1, at least part of the through holes 23 on each curling module section A is directly or indirectly communicated with the air hole 121, and each curling module section A seals at least part of the through holes 23 on the previous curling module section A, so that the air hole 121 can generate suction to each curling module section A when sucking air, which is beneficial to reducing the gaps among different turns, improving the curling shape of the curling module 2, reducing stress concentration and prolonging the service life of the curling module 2.
It can be understood that when the number of the curling die set 2 curling around the reel 1 is 1, the through hole 23 is not required to be formed on the curling die set 2, and the curling die set 2 can be tightly curled on the surface of the reel 1 when the air hole 121 sucks air.
Optionally, when the curling die set 2 curls on the surface of the scroll 1, the 1 st curling die set section A1The plurality of through holes 23 are directly communicated with the air holes 121, but part of the air holes 121 are formed by the 1 st curling module section A1And (6) covering. That is, the number of the air holes 121 is greater than the 1 st crimp module segment A1The number of through-going holes 23. No. 1 crimping module segment A1The through hole 23 is communicated with the air hole 121, so that the suction force or tension when the air hole 121 is sucked or inflated can reach the 2 nd curling module section A1. By applying a 1 st crimping to section A of the mold block during the aspiration or inflation of the vent 1211The part without the through hole 23 generates suction or tension to make the 1 st curling module section A1Tightly wound on the surface of the reel 1 or unwound from the surface of the reel 1.
Optionally, an Nth crimping module section ANThe through hole 23 is not provided to ensure the tightness of the whole air suction process when the curling die set 2 curls on the surface of the winding shaft 1. For example, the Nth crimping module section ANFor the last crimping module segment.
Optionally, an Nth crimping module section ANA through hole 23 is provided, when the curling die set 2 is curled on the surface of the winding shaft 1, the Nth curling die set section ANThe upper through-hole 23 is not connected with the (N-1) th crimping module section AN-1Upper through-hole 23, and an Nth crimping module segment ANThe (N-1) th curling module section AN-1A plurality of tubes thereonThe perforations 23 are all blocked to ensure tightness of the overall suction process.
Optionally, crimping module section A from 1 st1To (N-1) th crimping module section AN-1The number of the through holes 23 provided in each crimping module segment a is decreased progressively. That is, the number of through holes 23 in the crimping module segment a is inversely related to the number of turns. When the number of curling turns N of the curling module 2 around the reel 1 is more than or equal to 3 and the curling module 2 curls on the surface of the reel 1, the 2 nd curling module section A2To (N-1) th crimping module section AN-1The plurality of through-holes 23 of each crimping module section a are in communication with the through-holes 23 of the previous crimping module section a. It can be understood that, since the number of the through holes 23 on each crimping module segment a is smaller than the number of the through holes 23 on the previous crimping module segment a, the through holes 23 on each crimping module segment a are all communicated with part of the through holes 23 on the previous crimping module segment a, so that when the air holes 121 suck air, the suction force can reach the next crimping module segment a; part of the through holes 23 on the previous crimping module section A are blocked by the crimping module section A, so that when the air holes 121 suck air, the suction force can reach the crimping module section A.
Illustratively, as shown in fig. 2 and 3, the number of turns of the crimping module 2 is 3 around the reel 1. The curling die set 2 comprises 3 curling die set sections A, namely a 1 st curling die set section A corresponding to a 1 st turn1And a 2 nd curling module section A corresponding to the 2 nd turn2And a 3 rd curling module section A corresponding to the 3 rd circle3. 2 nd curling die set section A2The number of the through holes 23 is larger than that of the 1 st crimping module segment A1The number of the through holes 23 is large, and the 3 rd curling module section A3The through-hole 23 is not provided. When the curling die set 2 curls on the surface of the scroll 1, the 2 nd curling die set section A2A plurality of through holes 23 are formed on the first section A of the crimping module 11The 1 st crimping module section A is communicated with the through hole 231Upper part of the through-hole 23 is passed through by the 2 nd crimping module section A2And (6) plugging.
Alternatively, the plurality of air holes 121 are spaced along the circumference of the spool 1, and the plurality of air holes 121 are arranged in a plurality of rows along the circumference of the spool 1, each row having at least two air holes 121. When the curling module 2 curls on the surface of the reel 1, each through hole 23 is correspondingly arranged and communicated with at least one air vent 121. The through-hole 23 may be elongated, such as rectangular; the air holes 121 may be circular or square.
In one embodiment, as shown in fig. 4, the curling die set 2 includes a support layer 24, a flexible display panel 25 and two glue layers 26. The flexible display panel 25 is arranged on one side of the support layer 24, and the two glue layers 26 and the flexible display panel 25 are arranged on the same side of the support layer 24; two glue layers 26 are located on both sides of the flexible display panel 25. The material of the support layer 24 is not limited, and may be a metal plate, such as a steel plate; the flexible display panel 25 may be an LED flexible display panel. The shape and area of the support layer 24, the flexible display panel 25 and the two glue layers 26 may be designed as desired. For example, the shape and area of the two glue layers 26 and the flexible display panel 25 are equal to the shape and area of the support layer 24.
The area corresponding to the flexible display panel 25 is a main functional area 21, and the areas corresponding to the two glue layers 26 are two sub-functional areas 22; the through-holes 23 penetrate the support layer 24 and the glue layer 26. The surface of the glue layer 26 away from the support layer 24 is flush with the surface of the flexible display panel 25 away from the support layer 24, so that the curling module 2 is curled on the surface of the scroll 1. The flexible display panel 25 includes a first optical adhesive layer (not shown), a back plate (not shown), a polarizer (not shown), a second optical adhesive layer (not shown), and a cover plate (not shown) stacked in sequence. Alternatively, the glue layer 26 may be a UV glue, a thermosetting glue, or the like.
In one embodiment, the curling die set 2 includes a support layer 24 and a flexible display panel 25, and the flexible display panel 25 is disposed on one side of the support layer 24. The area corresponding to the display area of the flexible display panel 25 is the main functional area 21, and the area corresponding to the non-display area of the flexible display panel 25 is the sub functional area 22. It is understood that the non-display area of the flexible display panel 25 is not provided with traces as part of the sub-functional area 22. The through-holes 23 penetrate the support layer 24 and the flexible display panel 25.
The display device further includes a gas duct (not shown) and a gas pump (not shown). The air pump is communicated with the air holes 121 through the air guide pipe and is used for inflating or inhaling the air holes 121.
Alternatively, the winding shaft 1 has the structure shown in fig. 2, a part of the suction area 12 of the winding shaft 1 or the entire winding shaft 1 is a hollow cylindrical body, and the air hole 121 is a through hole along the thickness direction of the hollow cylindrical body. The two opposite ends of the scroll 1 are respectively provided with an air duct which is communicated with the inside of the hollow columnar body, and a plurality of air holes 121 at one end of the scroll 1 are communicated with the air ducts.
Alternatively, the main body region 11 may also be provided with a plurality of air holes 121 to suck the main functional region 21 of the innermost curling die set 2, so that the curling die set 2 is uniformly stressed.
Referring to fig. 5 and 6, fig. 5 is a schematic structural view of a reel according to another embodiment of the present application, and fig. 6 is a schematic top structural view of a rolling module according to another embodiment of the present application in an unfolded state.
In the present embodiment, the reel 1 includes two main body regions 11 and one suction region 12, the two main body regions 11 are respectively located on both sides of the suction region 12, and the two main body regions 11 and the one suction region 12 are arranged side by side along the axial direction of the reel 1 (as shown in fig. 5). The crimping module 2 includes two main functional areas 21 and one sub-functional area 22, the two main functional areas 21 being located on both sides of the sub-functional area 22, and the two sub-functional areas 22 and the one main functional area 21 being arranged side by side along the width W direction of the crimping module 2 (as shown in fig. 6). The crimping module 2 shown in figure 6 is arranged in cooperation with the reel 1 shown in figure 5. When the curling module 2 curls on the surface of the scroll 1, the two main functional areas 21 curl on the two main body areas 11 respectively, and the secondary functional area 22 curls on the suction area 12; that is, the main functional area 21 of the crimping module 2 is provided corresponding to the main area 11 of the reel 1, and the sub-functional area 22 of the crimping module 2 is provided corresponding to the suction area 12 of the reel 1.
The number of the curling turns of the curling module 2 around the reel 1 is N, wherein N is more than or equal to 2, and N is an integer. The crimping module 2 comprises a plurality of crimping module sections A, wherein the plurality of crimping module sections A are 1 st crimping module sections A corresponding to 1 st to Nth turns1To Nth crimping module section AN. No. 1 crimping module segment A1To the (N-1) th crimping module section AN-1The secondary functional regions 22 are each provided with a plurality of through-holes 23. The curling module 2 is curled on the reel1, at least part of a plurality of through holes 23 on each curling module section A is communicated with the air hole 121, and each curling module section A seals at least part of a plurality of through holes 23 on the previous curling module section A, so that the air hole 121 can generate suction to each curling module section A when sucking air, the gaps among different turns can be reduced, the curling form of the curling module 2 is improved, the stress concentration is reduced, and the service life of the curling module 2 is prolonged. It can be understood that when the number of the curling die set 2 curling around the winding shaft 1 is 1, the through hole 23 is not required to be formed on the curling die set 2, and the curling die set 2 can be tightly curled on the surface of the winding shaft 1 when the air hole 121 sucks air.
It can be understood that, in this embodiment, the curling module 2 may be a spliced screen, and the two screens may respectively display different pictures. The junction between the two screens is a secondary functional area 22; the width of the screen body should not be too wide to avoid curling module 2 and curl when the surface of spool 1, the both ends of curling module 2 stick up the limit, and the difference at the both ends of curling module 2 curls the number of turns between the clearance is bigger promptly, can't closely laminate.
It will be understood that the reel 1 may also comprise two main areas 11 and three suction areas 12; that is, the suction region 12 is provided between the two main body regions 11, and the suction region 12 is also provided on the side of each main body region 11 away from the other main body region 11. Similarly, the curling die set 2 includes two main functional areas 21 and three sub functional areas 22; that is, the sub-functional regions 22 are provided between the two main functional regions 21, and the sub-functional regions 22 are also provided on the side of each main functional region 21 away from the other main functional region 21.
The above embodiments are merely examples and are not intended to limit the scope of the present disclosure, and all modifications, equivalents, and flow charts using the contents of the specification and drawings of the present disclosure or those directly or indirectly applied to other related technical fields are intended to be included in the scope of the present disclosure.
Claims (10)
1. A display device, comprising:
the scroll comprises a main body area and an air suction area, wherein the air suction area is provided with a plurality of air holes;
the curling module is curled on the surface of the reel and can be unfolded;
and the air holes are used for sucking air in the process that the curling module is curled on the surface of the reel, so that the curling module is tightly curled on the surface of the reel.
2. The display device according to claim 1, wherein the scroll includes two of the suction areas, the two suction areas being located on both sides of the body area, respectively; the two suction areas and the main body area are arranged side by side along the axial direction of the reel;
the curling module comprises a main functional area and two secondary functional areas, wherein the two secondary functional areas are positioned on two sides of the main functional area; when the curling module is curled on the surface of the scroll, the main functional area is curled in the main body area, and the two secondary functional areas are curled in the two air suction areas respectively.
3. The display device according to claim 2, wherein the curling module curls around the reel for N number of turns, wherein N is greater than or equal to 2;
the crimping module comprises a plurality of crimping module sections, wherein the plurality of crimping module sections are from 1 st crimping module section to Nth crimping module section corresponding to 1 st turn to Nth turn; the secondary functional areas of the 1 st to (N-1) th crimping module sections are all provided with a plurality of through holes; when the curling module is curled on the surface of the winding shaft, at least part of the through holes on each curling module section are communicated with the air holes, and each curling module section seals at least part of the through holes on the former curling module section.
4. The display device according to claim 3, wherein when the curling die set curls on the surface of the winding shaft, a portion of the through holes of each curling die set section is communicated with the air hole; the through hole is not formed in the Nth curling module section.
5. The display device according to claim 3, wherein the number of through holes provided in each of the curling die set sections decreases from the 1 st curling die set section to the (N-1) th curling die set section.
6. The display device according to claim 3, wherein the curling module comprises:
a support layer;
the flexible display panel is arranged on one side of the supporting layer;
the two adhesive layers are arranged on two sides of the flexible display panel, and are arranged on the same side of the supporting layer with the flexible display panel;
the area corresponding to the flexible display panel is the main functional area, and the areas corresponding to the two adhesive layers are the two secondary functional areas; the through hole penetrates through the supporting layer and the adhesive layer.
7. The display device according to claim 3, wherein a plurality of the air holes are provided at intervals along a circumferential direction of the reel.
8. The display device according to claim 7, wherein a plurality of the air holes are arranged in a plurality of rows along a circumferential direction of the scroll; when the curling module curls on the surface of the scroll, each through hole is correspondingly arranged and communicated with at least one row of air holes.
9. The display device according to claim 1, wherein the portion of the suction area of the scroll is a hollow cylinder or the entire scroll is a hollow cylinder, and the air hole is a through hole along a thickness direction of the hollow cylinder.
10. The display device according to claim 9, further comprising:
an air duct;
the air pump is communicated with the air holes through the air guide pipe; the air pump is used for enabling the air holes to suck air.
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| CN115083281A (en) * | 2022-06-29 | 2022-09-20 | 昆山国显光电有限公司 | Crimping assembly |
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Also Published As
| Publication number | Publication date |
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| CN114677915B (en) | 2023-10-24 |
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