CN111459325A - Cover plate attaching system, cover plate attaching method and touch display panel - Google Patents
Cover plate attaching system, cover plate attaching method and touch display panel Download PDFInfo
- Publication number
- CN111459325A CN111459325A CN202010235101.2A CN202010235101A CN111459325A CN 111459325 A CN111459325 A CN 111459325A CN 202010235101 A CN202010235101 A CN 202010235101A CN 111459325 A CN111459325 A CN 111459325A
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- Prior art keywords
- cover plate
- bottom plate
- display panel
- closed
- plate
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000001179 sorption measurement Methods 0.000 claims abstract description 30
- 238000010438 heat treatment Methods 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 claims description 51
- 238000010030 laminating Methods 0.000 claims description 4
- 238000005086 pumping Methods 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims 1
- 230000001070 adhesive effect Effects 0.000 claims 1
- 239000003292 glue Substances 0.000 description 17
- 238000010586 diagram Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The embodiment of the application provides a cover plate attaching system, a cover plate attaching method and a touch display panel. The method comprises the following steps: covering an upper closed shell of the closed container on a bottom plate to form a closed space, and preheating the closed space through a heating element; separating the upper sealed shell from the bottom plate, placing the touch display panel on the bottom plate of the sealed container, and attaching a circle of water gel to the upper surface of the touch display panel; adsorbing the cover plate on the adsorption plate, and covering an upper closed shell of the closed container on the bottom plate to form a closed space; reducing the air pressure in the closed space to a preset value through an air hole arranged in the upper closed shell; controlling the piston rod to slide downwards to enable the cover plate to be in contact with the water gel and extrude the cover plate, enabling the water gel to be attached to the cover plate and keeping the cover plate for a preset time, and enabling the lower surface of the cover plate, the upper surface of the touch layer and the water gel to enclose a sealed cavity; and controlling the adsorption plate to loosen the cover plate and separating the upper closed shell from the bottom plate.
Description
Technical Field
The application relates to the technical field of display, in particular to a cover plate attaching system, a cover plate attaching method and a touch display panel.
Background
According to the traditional touch display frame pasting scheme, the problem of glue overflow and the problem of difficulty in curing are easily caused by glue adhesion, so that the problem of falling off caused by poor curing is solved. The airtight space of the cavity cannot be ensured, and water vapor and dust are invaded. The appearance is influenced in long-term use of the client terminal, and the reliability is poor. Therefore, the prior art has defects and needs to be improved urgently.
Disclosure of Invention
An object of the embodiments of the present application is to provide a cover plate attaching system, a cover plate attaching method, and a touch display panel, which avoid dropping of the touch display panel caused by poor curing, and also solve the problem of glue overflow.
In a first aspect, an embodiment of the present application provides a cover plate attaching system, configured to attach a cover plate to a touch layer of a touch display panel, where the cover plate attaching system includes:
the touch control display device comprises a closed container and a touch control display panel, wherein the closed container comprises a bottom plate and an upper closed shell, the upper closed shell and the bottom plate are detachably connected in a closed mode to form a closed space, a through hole is formed in the top wall of a closed cover body, the bottom plate is used for placing the touch control display panel on the bottom plate, an air hole used for vacuumizing the closed space is further formed in the upper closed shell, and the air hole is communicated with vacuumizing equipment; the inner side wall surface of the upper closed shell is provided with a heating element for providing preset temperature for the glue
The lower end of the piston rod penetrates through the through hole to extend into the closed space and can slide along the axial direction of the piston rod;
and the adsorption plate is arranged at the lower end of the piston rod and is parallel to the bottom plate, and a plurality of adsorption holes for adsorbing the cover plate to be attached are formed in the lower surface of the adsorption plate.
Optionally, in the apron laminating system of this application embodiment, heating element is the heating film, the heating film covers the lower surface of adsorption plate, just the perforation that corresponds with the adsorption hole is seted up to the heating film.
Optionally, in the cover plate attaching system according to the embodiment of the present application, a first air duct has been opened on the piston rod, a converging chamber communicated with the first air duct is provided in the adsorption plate, the plurality of adsorption holes are respectively communicated with the converging chamber, and the first air duct is used for communicating with a vacuum pumping device.
Optionally, in the cover plate attaching system according to the embodiment of the present application, the plurality of adsorption holes are uniformly arranged in a rectangular array.
Optionally, in the cover plate attaching system according to the embodiment of the present application, a first sealing structure is disposed on a bottom end of the upper sealed housing, the bottom end being in contact with the bottom plate;
the bottom plate is provided with a second sealing structure matched with the first sealing structure, and when the upper sealing shell covers the bottom plate, the first sealing structure is in contact with the second sealing structure to enable the sealing space to be isolated from the outside.
Optionally, in the cover plate attaching system according to the embodiment of the present application, the first sealing structure is at least one ring of annular protruding rib provided at the bottom end of the upper sealed casing;
the second sealing structure is at least one circle of annular groove formed in the bottom plate, a sealing ring is arranged on the bottom wall of the groove, and when the upper closed shell covers the bottom plate, the convex ribs are inserted into the groove and abutted against the sealing ring to form sealing.
Optionally, in the cover plate attaching system according to the embodiment of the present application, the first sealing structure is at least one ring of annular protruding rib provided at the bottom end of the upper sealed casing;
the second sealing structure is provided with at least one or two rings of annular grooves on the bottom plate, clamping grooves extending along the grooves are formed in the inner side walls of the grooves, sealing rings are arranged in the clamping grooves, and when the annular convex ribs are inserted into the clamping grooves, the sealing rings are abutted to the side wall surfaces of the annular convex ribs to realize sealing.
In a second aspect, an embodiment of the present application provides a cover plate attaching method, which uses any one of the above cover plate attaching systems, and the method includes the following steps:
covering an upper closed shell of the closed container on a bottom plate to form a closed space, and preheating the closed space through the heating element;
separating the upper sealed shell from the bottom plate, placing the touch display panel on the bottom plate of the sealed container, and attaching a circle of water gel to the upper surface of the touch display panel;
adsorbing the cover plate on the adsorption plate, and covering an upper closed shell of the closed container on the bottom plate to form a closed space;
reducing the air pressure in the closed space to a preset value through an air hole formed in the upper closed shell;
controlling a piston rod to slide downwards to enable a cover plate to be in contact with the water gel and extrude the cover plate, enabling the water gel to be attached to the cover plate and keeping the cover plate for a preset time, enabling the lower surface of the cover plate, the upper surface of the touch layer and the water gel to form a sealed cavity in a surrounding mode, and closing the heating function of the heating element;
and controlling the adsorption plate to loosen the cover plate and separate the upper closed shell from the bottom plate.
In a third aspect, an embodiment of the present application further provides a touch display panel, which is manufactured by the above cover plate attaching method:
optionally, in the touch display panel according to this embodiment of the present application, the touch display panel includes a display panel;
the touch layer is arranged on the display panel, and a circle of water gel is arranged on the upper surface of the touch layer;
the cover plate is attached to the upper surface of the touch layer and is bonded with the water gel, and the upper surface of the touch layer, the lower surface of the cover plate and the water gel form a sealed cavity with air pressure smaller than atmospheric pressure in a surrounding mode.
Therefore, the embodiment of the application adopts reduced pressure sealing to form a negative pressure space between the touch layer and the display panel, so that the adsorption force of the touch layer and the display panel is enhanced, the touch display panel is prevented from falling off due to poor solidification, and the problem of glue overflow is solved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a cover plate attaching system according to an embodiment of the present disclosure;
fig. 2 is a schematic partial structural view of a cover plate attaching system according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a closed container of a cover plate attaching system according to an embodiment of the present disclosure;
fig. 4 is a flowchart of a cover plate attaching method according to an embodiment of the present disclosure;
fig. 5 is a schematic structural diagram of a touch display panel according to an embodiment of the present 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.
In the description of the present application, it should be noted that the terms "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the application usually place when using, and are only used for convenience in describing the present application and simplifying the description, but do not indicate or imply that the devices or elements that are referred to must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
It should also be noted that, unless expressly stated or limited otherwise, the terms "disposed" and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
The following description of the embodiments refers to the accompanying drawings for illustrating the specific embodiments in which the invention may be practiced. In the present invention, directional terms such as "up", "down", "front", "back", "left", "right", "inner", "outer", "side", etc. refer to directions of the attached drawings. Accordingly, the directional terms used are used for explanation and understanding of the present invention, and are not used for limiting the present invention. In the drawings, elements having similar structures are denoted by the same reference numerals.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a cover plate attaching system according to an embodiment of the present disclosure. This apron laminating system for on attached display panel 100 of touch-control layer, this apron laminating system includes: a closed container 10, a piston rod 20, an adsorption plate 30 and a heating element 40.
The sealed container 10 includes a bottom plate 12 and an upper sealed casing 11, the upper sealed casing 11 is detachably and hermetically connected to the bottom plate 12 to form a sealed space 101, a through hole 111 is formed in a top wall of the upper sealed casing 11, the bottom plate 12 is used for placing the touch display panel 100 thereon, the upper sealed casing 11 is further provided with an air hole 112 for vacuumizing the sealed space, and the air hole 112 is communicated with a vacuumizing device; the lower end of the piston rod 20 passes through the through hole 111 and extends into the closed space 101 and can slide along the axial direction of the piston rod; the adsorption plate 30 is disposed at the lower end of the piston rod 20 and parallel to the bottom plate 12, and a plurality of adsorption holes for adsorbing the cover plate 200 to be attached are disposed on the lower surface of the adsorption plate 30. And a heating element for providing preset temperature for the water gel is arranged on the inner side wall surface of the upper closed shell. The heating element 40 may be a heating film, and a temperature sensor is further disposed on the inner sidewall of the upper sealed housing for monitoring the temperature in the sealed space.
Specifically, as shown in fig. 2, in some embodiments, a first air passage 21 is opened on the piston rod 20, a confluence chamber 31 communicating with the first air passage 21 is provided in the suction plate 30, the plurality of suction holes 32 are respectively communicated with the confluence chamber 31, and the first air passage 21 is used for communicating with a vacuum-pumping device. The vacuum-pumping device adjusts the air pressure in the confluence chamber 31 through the first air passage 21, thereby achieving the suction of the cap plate 200 or the release of the cap plate 200. The plurality of adsorption holes 32 are uniformly arranged in a rectangular array.
Specifically, as shown in fig. 3, a first sealing structure 113 is provided on the bottom end of the upper hermetic case 11 contacting the bottom plate 12;
the bottom plate 12 is provided with a second sealing structure 121 adapted to the first sealing structure 113, and when the upper sealed housing 11 covers the bottom plate 12, the first sealing structure 113 and the second sealing structure 121 are in contact so that the sealed space 101 is isolated from the outside.
Specifically, the first sealing structure 113 is at least one ring of annular protruding ribs opened on the bottom end of the upper sealed housing 11; the second sealing structure 121 is at least one ring of annular groove formed in the bottom plate 12, a sealing ring 122 is arranged on the bottom wall of the groove, and when the upper sealed shell 11 covers the bottom plate 12, the annular rib is inserted into the groove and abutted against the sealing ring 123 to form sealing.
In some embodiments, the first sealing structure 113 is at least one ring of annular ribs opened on the bottom end of the upper sealed housing 11; the second sealing structure 121 is provided with at least one or two rings of annular grooves on the bottom plate 12, the inner side wall of each groove is provided with a clamping groove extending along the groove, a sealing ring 122 is arranged in the clamping groove, and when the annular convex rib is inserted into the clamping groove, the sealing ring 122 abuts against the side wall surface of the annular convex rib to realize sealing.
Referring to fig. 4, fig. 4 is a flowchart of a cover plate attaching method according to an embodiment of the present disclosure, where the cover plate attaching method is performed by using the cover plate attaching system described in one of the above. The cover plate attaching method comprises the following steps:
s401, covering an upper sealed shell of the sealed container on a bottom plate to form a sealed space, and preheating the sealed space through the heating element.
S402, separating the upper closed shell from the bottom plate, placing the touch display panel on the bottom plate of the closed container, and attaching a circle of water gel to the upper surface of the touch display panel.
And S403, adsorbing the cover plate on the adsorption plate, and covering an upper closed shell of the closed container on the bottom plate to form a closed space.
S404, reducing the air pressure in the closed space to a preset value through an air hole formed in the upper closed shell.
S405, controlling the piston rod to slide downwards to enable the cover plate to be in contact with the glue and extrude the glue, enabling the glue to be attached to the cover plate and keeping the preset time, and enabling the lower surface of the cover plate, the upper surface of the touch layer and the glue to enclose a sealed cavity and close the heating function of the heating element.
And S406, controlling the adsorption plate to loosen the cover plate and separate the upper closed shell from the bottom plate.
In step S401, an upper sealed shell of the sealed container is covered on the bottom plate to form a sealed space, and the sealed space is preheated by the heating element for about 5 minutes, so that the temperature of the air in the sealed space reaches a preset temperature, for example, 40 ℃.
In step S402, the glue is applied at a high speed, so as to prevent the hot air in the closed space from flowing away after the opening.
In step S403, the cover plate is adsorbed by the adsorption plate, and the cover plate is adsorbed by adjusting the air pressure inside the vacuum device communicating with the collecting chamber of the adsorption plate. Because the temperature in this airtight space is higher, the glue can not solidify rapidly when can be so that apron and glue contact, can fully extrude for apron and glue fully contact, improve the gas tightness.
In step S404, after the air pressure in the sealed space is reduced to a preset value, the vacuum degree in the sealed space is-45% to-60%. Preferably, the degree of vacuum in the closed space is-50%. Wherein, the preset time can be 1 minute.
Therefore, the embodiment of the application adopts reduced pressure sealing to form a negative pressure space between the touch layer and the display panel, so that the adsorption force of the touch layer and the display panel is enhanced, the touch display panel is prevented from falling off due to poor solidification, and the problem of glue overflow is solved.
Referring to fig. 5, fig. 5 is a schematic structural diagram of a touch display panel according to an embodiment of the present application, and the touch display panel is manufactured by the above method. The touch display panel comprises a cover plate 200, a touch layer 100 and a display panel 500, wherein a circle of water gel 300 is arranged on the upper surface of the touch layer 100; the cover plate 200 is attached to the upper surface of the touch layer 100 and is adhered to the glue 300, and a sealed cavity 400 with an air pressure smaller than the atmospheric pressure is defined by the upper surface of the touch layer 100, the lower surface of the cover plate 200 and the glue 300.
Therefore, the touch display panel provided by the embodiment of the application avoids the falling off of the touch display panel caused by poor curing by setting the air pressure of the closed cavity 400 to be less than the atmospheric pressure, and also solves the problem of glue overflow.
The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A cover plate attaching system for attaching a cover plate to a touch layer of a touch display panel, the cover plate attaching system comprising:
the touch control display device comprises a closed container and a touch control display panel, wherein the closed container comprises a bottom plate and an upper closed shell, the upper closed shell and the bottom plate are detachably connected in a closed mode to form a closed space, a through hole is formed in the top wall of a closed cover body, the bottom plate is used for placing the touch control display panel on the bottom plate, an air hole used for vacuumizing the closed space is further formed in the upper closed shell, and the air hole is communicated with vacuumizing equipment; a heating element for providing preset temperature for the water adhesive is arranged on the inner side wall surface of the upper closed shell;
the lower end of the piston rod penetrates through the through hole to extend into the closed space and can slide along the axial direction of the piston rod;
and the adsorption plate is arranged at the lower end of the piston rod and is parallel to the bottom plate, and a plurality of adsorption holes for adsorbing the cover plate to be attached are formed in the lower surface of the adsorption plate.
2. The cover laminating system of claim 1, wherein the heating element is a heating film.
3. The cover plate attaching system according to claim 1, wherein a first air passage is formed in the piston rod, a converging chamber communicated with the first air passage is formed in the adsorption plate, the plurality of adsorption holes are respectively communicated with the converging chamber, and the first air passage is used for being communicated with a vacuum-pumping device.
4. The cover plate attachment system of claim 3, wherein the plurality of suction holes are uniformly arranged in a rectangular array.
5. The cover plate attaching system according to any one of claims 1 to 4, wherein a first sealing structure is provided on a bottom end of the upper hermetic case contacting the bottom plate;
the bottom plate is provided with a second sealing structure matched with the first sealing structure, and when the upper sealing shell covers the bottom plate, the first sealing structure is in contact with the second sealing structure to enable the sealing space to be isolated from the outside.
6. The cover plate attachment system of claim 5, wherein the first sealing structure is at least one ring of annular ribs open on the bottom end of the upper containment shell;
the second sealing structure is at least one circle of annular groove formed in the bottom plate, a sealing ring is arranged on the bottom wall of the groove, and when the upper closed shell covers the bottom plate, the convex ribs are inserted into the groove and abutted against the sealing ring to form sealing.
7. The cover plate attachment system of claim 5, wherein the first sealing structure is at least one ring of annular ribs open on the bottom end of the upper containment shell;
the second sealing structure is provided with at least one or two rings of annular grooves on the bottom plate, clamping grooves extending along the grooves are formed in the inner side walls of the grooves, sealing rings are arranged in the clamping grooves, and when the annular convex ribs are inserted into the clamping grooves, the sealing rings are abutted to the side wall surfaces of the annular convex ribs to realize sealing.
8. A method of applying a cover sheet, characterized in that the cover sheet application system of any one of claims 1 to 7 is used, the method comprising the steps of:
covering an upper closed shell of the closed container on a bottom plate to form a closed space, and preheating the closed space through the heating element;
separating the upper sealed shell from the bottom plate, placing the touch display panel on the bottom plate of the sealed container, and attaching a circle of water gel to the upper surface of the touch display panel;
adsorbing the cover plate on the adsorption plate, and covering an upper closed shell of the closed container on the bottom plate to form a closed space;
reducing the air pressure in the closed space to a preset value through an air hole formed in the upper closed shell;
controlling a piston rod to slide downwards to enable a cover plate to be in contact with the water gel and extrude the cover plate, enabling the water gel to be attached to the cover plate and keeping the cover plate for a preset time, enabling the lower surface of the cover plate, the upper surface of the touch layer and the water gel to form a sealed cavity in a surrounding mode, and closing the heating function of the heating element;
and controlling the adsorption plate to loosen the cover plate and separate the upper closed shell from the bottom plate.
9. A touch display panel, characterized by being manufactured by the cover plate attaching method of claim 8.
10. The touch display panel according to claim 9, wherein the touch display panel comprises:
a display panel;
the touch layer is arranged on the display panel, and a circle of water gel is arranged on the upper surface of the touch layer;
the cover plate is attached to the upper surface of the touch layer and is bonded with the water gel, and the upper surface of the touch layer, the lower surface of the cover plate and the water gel form a sealed cavity with air pressure smaller than atmospheric pressure in a surrounding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010235101.2A CN111459325A (en) | 2020-03-30 | 2020-03-30 | Cover plate attaching system, cover plate attaching method and touch display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010235101.2A CN111459325A (en) | 2020-03-30 | 2020-03-30 | Cover plate attaching system, cover plate attaching method and touch display panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111459325A true CN111459325A (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010235101.2A Pending CN111459325A (en) | 2020-03-30 | 2020-03-30 | Cover plate attaching system, cover plate attaching method and touch display panel |
Country Status (1)
| Country | Link |
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| CN (1) | CN111459325A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114898664A (en) * | 2022-05-31 | 2022-08-12 | 嘉捷科技（福清）有限公司 | Vacuumizing and laminating method suitable for 0-gap capacitive touch product |
| WO2023103087A1 (en) * | 2021-12-10 | 2023-06-15 | 武汉华星光电半导体显示技术有限公司 | Method for attaching displayer cover plate and attaching device |
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Application publication date: 20200728 |