CN109240542B - Touch screen bonding method and touch screen - Google Patents
Touch screen bonding method and touch screen Download PDFInfo
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- CN109240542B CN109240542B CN201811168497.2A CN201811168497A CN109240542B CN 109240542 B CN109240542 B CN 109240542B CN 201811168497 A CN201811168497 A CN 201811168497A CN 109240542 B CN109240542 B CN 109240542B
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- 238000000034 method Methods 0.000 title claims abstract description 31
- 239000002184 metal Substances 0.000 claims abstract description 37
- 229910052751 metal Inorganic materials 0.000 claims abstract description 37
- 239000003292 glue Substances 0.000 claims abstract description 36
- 230000002093 peripheral effect Effects 0.000 claims abstract description 12
- 238000010030 laminating Methods 0.000 claims abstract description 11
- 238000003475 lamination Methods 0.000 claims abstract description 8
- 238000005286 illumination Methods 0.000 claims abstract description 7
- 239000012790 adhesive layer Substances 0.000 claims description 125
- 239000010410 layer Substances 0.000 claims description 12
- 239000000853 adhesive Substances 0.000 claims description 10
- 230000001070 adhesive effect Effects 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 239000000741 silica gel Substances 0.000 claims description 7
- 229910002027 silica gel Inorganic materials 0.000 claims description 7
- 230000013011 mating Effects 0.000 claims 2
- 238000007711 solidification Methods 0.000 claims 2
- 230000008023 solidification Effects 0.000 claims 2
- 230000003287 optical effect Effects 0.000 abstract description 17
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000001678 irradiating effect Effects 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 22
- 229910052742 iron Inorganic materials 0.000 description 11
- 238000001723 curing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000002310 reflectometry Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 238000003848 UV Light-Curing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
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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)
- Liquid Crystal (AREA)
Abstract
The invention is suitable for the technical field of production of touch display screens, and discloses a laminating method of a touch display screen and the touch display screen. The laminating method of the touch display screen comprises the following steps: dispensing glue along the peripheral edge of the inner side of the metal frame on one side of the display module, which is used for being matched with the touch module, to form a circle of annular glue layer so as to fill up the height difference between the metal frame and the upper polaroid, and carrying out illumination on the annular glue layer; dispensing glue on the surface of the upper polaroid, which is used for being matched with the touch module, and the surface of the touch module, which is used for being matched with the display module, which is located in the touch area of the touch module, so as to form a first surface glue layer and a second surface glue layer on the upper polaroid and the touch module respectively, and respectively irradiating the first surface glue layer and the second surface glue layer; and attaching the display module and the touch module together. The invention obviously improves the optical parameters of the touch display screen assembly and the yield of optical lamination.
Description
Technical Field
The invention relates to the technical field of production of touch display screens, in particular to a bonding method of a touch display screen and the touch display screen manufactured by the bonding method.
Background
In the production process of the traditional touch display screen, the touch module and the display module are attached together in a frame glue mode, and an air layer is arranged between the attaching surfaces of the touch module and the display module, so that the problem that the produced touch display screen is poor in blackness and poor in font definition when the screen is in a screen-extinguishing state is caused.
In order to solve the above-mentioned problems of the conventional technology, an optical full-lamination technology of a touch module and a display module has been developed. The method is limited by the height of the iron frame of the display module, and most companies in industry generally adopt a mode of detaching the iron frame and attaching the iron frame when performing optical full attachment, namely detaching the iron frame of the display module, attaching the touch module and the display module, and finally attaching the iron frame. The production process is not affected by the height of the iron frame of the display module, and the optical full-lamination of the touch module and the display module can be realized by adopting water glue or solid glue. However, in the process of detaching the iron frame, the display module is easy to generate mura (uneven brightness, spots, marks) or light leakage and other bad phenomena; if the iron frame is attached, the iron frame is limited in height, and only the frame glue can be selected for attaching, so that the application requirements of higher-level products cannot be met.
Disclosure of Invention
The first object of the present invention is to provide a bonding method for a touch display screen, which aims to solve the technical problem of low optical full bonding yield of the touch display screen produced by adopting the existing technology.
In order to achieve the above purpose, the invention provides the following scheme: the laminating method of the touch display screen is suitable for laminating the touch display screen with the height difference between the metal frame and the upper polaroid, and comprises the following steps:
Dispensing glue along the peripheral edge of the inner side of the metal frame on one side of the display module, which is used for being matched with the touch module, to form a circle of annular glue layer so as to fill up the height difference between the metal frame and the upper polarizer, and carrying out illumination on the annular glue layer;
Dispensing on the surface of the upper polarizer, which is used for being matched with the touch module and is positioned in the display area of the display module, and the surface of the touch module, which is used for being matched with the display module and is positioned in the touch area of the touch module, so as to form a first surface adhesive layer and a second surface adhesive layer on the upper polarizer and the touch module respectively, and respectively illuminating the first surface adhesive layer and the second surface adhesive layer;
And attaching the display module and the touch module together.
Optionally, the first surface adhesive layer includes a style of calligraphy adhesive layer and two locate respectively the style of calligraphy adhesive layer of style of calligraphy adhesive layer both ends, two the tip portion of style of calligraphy adhesive layer all with the style of calligraphy adhesive layer is connected.
Optionally, the upper polarizer is a rectangular sheet, the upper polarizer has two long edges arranged at opposite intervals and two short edges arranged at opposite intervals, the linear adhesive layer is parallel to the long edges, and the notches of the two V-shaped adhesive layers are respectively arranged towards the two short edges.
Optionally, the second surface adhesive layer is in a shape of a straight line.
Optionally, the annular adhesive layer is irradiated by ultraviolet light; and/or the number of the groups of groups,
The first surface adhesive layer is irradiated by ultraviolet light; and/or the number of the groups of groups,
The second surface adhesive layer is irradiated by ultraviolet light.
Optionally, the first surface adhesive layer and the second surface adhesive layer are formed by dispensing liquid silica gel; and/or the number of the groups of groups,
The surface reflectivity of the first surface adhesive layer and the surface reflectivity of the second surface adhesive layer are both lower than 0.5 percent.
Optionally, a height difference of 0.3mm +/-0.1 mm exists between the surface of the metal frame for being matched with the touch module and the surface of the upper polarizer for being matched with the touch module.
Optionally, the touch module includes a touch functional sheet and a cover plate attached to the touch functional sheet, and the second adhesive layer is disposed on a surface of the touch functional sheet opposite to the cover plate.
The second object of the present invention is to provide a touch display screen, which includes a touch module, a display module, and an adhesive layer disposed between the touch module and the display module, wherein the display module includes a display screen body, an upper polarizer disposed on one side of the display screen body, and a metal frame disposed around an outer edge of the display screen body, the metal frame has an annular flange extending from the display screen body toward the side where the upper polarizer is disposed, and the adhesive layer includes an annular adhesive layer disposed around an inner peripheral edge of the annular flange and adhered to the touch module, and a surface adhesive layer disposed inside the annular adhesive layer and adhered between the upper polarizer and the touch module.
Optionally, the display screen body includes the back shell that has the cavity and locates the display screen main part in the cavity, go up the polaroid and locate on the display screen main part, the metal frame ring is located outside the back shell and will the display screen main part locking in the cavity.
The bonding method of the touch display screen and the touch display screen solve the problem of optical full bonding of the touch module and the display module with the metal frame. Specifically, when the touch module and the display module are attached, a circle of annular adhesive layer is formed by dispensing at the peripheral edge of the inner side of the metal frame, then dispensing is performed on the surface of the upper polaroid, which is positioned in the display area of the display module, and the surface of the touch module, which is positioned in the touch area of the touch module, and then the touch module and the display module are attached together, so that the influence of the height of the metal frame of the display module on the optical full attachment of the touch module and the display module can be effectively reduced through the arrangement of the annular adhesive layer; on the other hand, the problem that industrial glue leaks to the backlight part of the display module can be effectively solved. And because the metal frame does not need to be removed firstly in the bonding process, the display module can not generate mura or light leakage and other bad phenomena, and the yield of the optical full bonding of the touch module and the display module and the optical parameters of the touch display screen assembly are obviously improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a touch display screen according to an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of a portion of FIG. 1 at A;
Fig. 3 is a schematic top plan view of a display module according to an embodiment of the invention;
Fig. 4 is a schematic diagram of a state of the display module provided by the embodiment of the invention after dispensing the annular adhesive layer;
Fig. 5 is a schematic diagram of a state of the display module provided by the embodiment of the invention after dispensing the first adhesive layer;
fig. 6 is a schematic top plan view of a touch module according to an embodiment of the invention;
fig. 7 is a schematic diagram of a state of the touch module after the second adhesive layer is dispensed according to the embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
It will also be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
As shown in fig. 1 to 7, the bonding method of the touch display screen provided by the embodiment of the present invention is suitable for bonding a touch display screen with a height difference between a metal frame 11 and an upper polarizer 12, and includes:
Dispensing a ring of annular adhesive layer 311 along the inner peripheral edge 112 of the metal frame 11 on one side of the display module 1 for being matched with the touch module 2 so as to fill up the height difference between the metal frame 11 and the upper polarizer 12 and illuminate the annular adhesive layer 311;
Dispensing on the surface of the upper polarizer 12 on the side for matching with the touch module 2 and in the display area 101 of the display module 1 and on the surface of the touch module 2 on the side for matching with the display module 1 and in the touch area 201 of the touch module 2, respectively, so as to form a first surface adhesive layer 321 and a second surface adhesive layer 322 on the upper polarizer 12 and the touch module 2, respectively, and respectively, irradiating the first surface adhesive layer 321 and the second surface adhesive layer 322;
the display module 1 and the touch module 2 are attached together.
Specifically, the bonding area of the annular adhesive layer 311 is a peripheral area outside the touch area 201 (window area) of the touch module 2 and a peripheral area outside the display area 101 of the display module 1, excluding the touch area 201 of the touch module 2 and the display area 101 of the display module 1. The height difference between the metal frame 11 and the upper polarizer 12 refers to the distance between the surface of the metal frame 11 facing the touch module 2 and the surface of the upper polarizer 121 facing the touch module 2. According to the laminating method of the touch display screen, when the touch module 2 and the display module 1 are laminated, a circle of annular adhesive layer 311 is formed by dispensing at the inner peripheral edge 112 of the metal frame 11, then dispensing is performed on the surface of the upper polarizer 12 positioned in the display area 101 of the display module 1 and the surface of the touch module 2 positioned in the touch area 201 of the touch module 2, and then the touch module 2 and the display module 1 are laminated together, so that the influence of the height of the metal frame 11 of the display module 1 on the optical full lamination of the touch module 2 and the display module 1 can be effectively reduced through the arrangement of the annular adhesive layer 311; on the other hand, the problem that industrial glue leaks to the backlight part of the display module can be effectively solved. In addition, the metal frame 11 does not need to be removed firstly in the bonding process, so that the display module 1 does not generate mura (uneven brightness, spots, traces) or light leakage and other bad phenomena, and the yield of the optical full bonding of the touch module 2 and the display module 1 and the optical parameters of the touch display screen assembly are obviously improved.
Preferably, a height difference of 0.3mm plus or minus 0.1mm exists between the surface of the metal frame 11 for being matched with the touch module 2 and the surface of the upper polarizer 12 for being matched with the touch module 2, and the touch module 2 and the display module 1 are bonded by adopting the bonding method of the touch display screen provided by the embodiment of the invention within the height difference, so that the obtained optical full bonding effect is relatively good, and the bonding yield is relatively high.
Preferably, referring to fig. 1,2, 5 and 7, the first adhesive layer 321 includes a linear adhesive layer 3211 and two V-shaped adhesive layers 3212 disposed at two ends of the linear adhesive layer 3211, tip ends of the two V-shaped adhesive layers 3212 are connected to the linear adhesive layer 3211, and the second adhesive layer 322 is in a linear shape. The V-shaped glue layer 3212 comprises two support arms arranged at an included angle, and the junction of the two support arms is the tip part of the V-shaped glue layer 3212. Here, through carrying out optimal design to the point of first face glue film 321 and second face glue film 322 and gluing the shape, both do benefit to and improve the point and glue efficiency, do benefit to again and make first face glue film 321 and second face glue film 322 diffuse better evenly and spread between the laminating face of display module assembly 1 and touch module assembly 2 when laminating display module assembly 1 and touch module assembly 2 together.
Preferably, the upper polarizer 12 is a rectangular sheet, the upper polarizer 12 has two long edges disposed opposite to each other at intervals and two short edges disposed opposite to each other at intervals, the in-line glue layer 3211 is parallel to the long edges, and the notches of the two V-shaped glue layers 3212 are disposed toward the two short edges, respectively. The V-shaped adhesive layer 3212 is enclosed to form a V-shaped groove, and the notch of the V-shaped adhesive layer 3212 is the notch of the V-shaped groove. Here, through carrying out optimal design to the point of first face glue film 321 and gluing the shape, do benefit to and make first face glue film 321 and second face glue film 322 diffuse evenly better when laminating display module assembly 1 and touch module assembly 2 together.
Preferably, the annular adhesive layer 311 is irradiated with Ultraviolet (UV) light. Here, the annular adhesive layer 311 is irradiated with UV light, and the adhesiveness of the annular adhesive layer 311 can be activated with high efficiency, so that the annular adhesive layer 311 is firmly adhered to the inner side edge of the metal bezel 11.
Preferably, the annular adhesive layer 311 is formed by dispensing a liquid adhesive in a silicone system, so that the stability of the dispensing shape of the annular adhesive layer 311 in the dispensing process is improved, the dispensing shape required by design is easy to control, and the adhesive has good viscosity after illumination.
Preferably, the first adhesive layer 321 is irradiated with ultraviolet light. Here, the first adhesive layer 321 may be irradiated with UV light to efficiently activate the adhesiveness of the first adhesive layer 321, thereby firmly adhering the first adhesive layer 321 to the upper polarizer 12.
Preferably, the second facestock layer 322 is illuminated with ultraviolet light. Here, the second adhesive layer 322 is irradiated with UV light, so that the adhesiveness of the second adhesive layer 322 can be activated with high efficiency, and the second adhesive layer 322 is firmly adhered to the touch module 2.
Preferably, the first surface adhesive layer 321 and the second surface adhesive layer 322 are formed by dispensing liquid adhesive of a silicone system, so that the first surface adhesive layer 321 and the second surface adhesive layer 322 have stability in shape in the dispensing process and have good viscosity after illumination. In addition, the silica gel liquid glue has higher light transmittance, so that the finally manufactured touch display screen has better display effect.
Preferably, the annular adhesive layer 311, the first adhesive layer 321 and the second adhesive layer 322 are made of the same material, which is beneficial to reducing the amount of materials required in the production process of the touch display screen.
Preferably, the surface reflectivity of the first surface adhesive layer 321 and the surface reflectivity of the second surface adhesive layer 322 are both lower than 0.5%, so that the first surface adhesive layer 321 and the second surface adhesive layer 322 have high light transmittance after being cured, and the finally manufactured touch display screen has good display effect.
Preferably, the touch module 2 includes a touch functional sheet 21 and a cover plate 22 attached to the touch functional sheet 21, and the second adhesive layer 322 is disposed on a surface of the touch functional sheet 21 facing away from the cover plate 22. A third adhesive layer 23 is arranged between the touch functional sheet 21 and the cover plate 22.
Preferably, the metal frame 11 is an iron frame, i.e. the metal frame 11 is made of iron.
Preferably, in the attaching method of the touch display screen provided by the embodiment of the invention, after the touch module 2 and the display module 1 are attached together, the attaching method further comprises the step of placing the attached touch module 2 and display module 1 in curing equipment for curing.
Preferably, the dispensing of the annular adhesive layer 311, the first adhesive layer 321 and the second adhesive layer 322 is completed by a full-lamination glue dispensing machine, and the illumination of the annular adhesive layer 311, the first adhesive layer 321 and the second adhesive layer 322 is completed by a UV curing machine, and the lamination of the touch module 2 and the display module 1 is completed by a full-lamination alignment system.
The bonding method of the touch display screen provided by the embodiment of the invention is an innovative touch display module 1 and a full-bonding scheme of the display module 1, improves the full-bonding technology limited by the height of the metal frame 11 on the basis of keeping the high performance of optical full-bonding, and remarkably improves the full-bonding yield.
The touch display screen provided by the embodiment of the invention comprises a touch module 2, a display module 1 and an adhesive layer 3 arranged between the touch module 2 and the display module 1, wherein the display module 1 comprises a display screen body 13, an upper polarizer 12 arranged on one side of the display screen body 13 and a metal frame 11 annularly arranged on the outer edge of the display screen body 13, the metal frame 11 is provided with an annular flange 111 extending from the display screen body 13 towards the side where the upper polarizer 12 is arranged, and the adhesive layer 3 comprises an annular adhesive layer 31 circumferentially arranged along the peripheral edge 112 of the inner side of the annular flange 111 and adhered to the touch module 2, and a surface adhesive layer 32 arranged on the inner side of the annular adhesive layer 31 and adhered between the upper polarizer 12 and the touch module 2. The annular adhesive layer is formed by curing the annular adhesive layer 311, and the surface adhesive layer is formed by pressing the first surface adhesive layer 321 and the second surface adhesive layer 322 and then curing. The inner peripheral edge of the annular flange 111 is specifically an inner annular surface of the annular flange 111. The touch display screen provided by the embodiment of the invention is manufactured by adopting the bonding method of the touch display screen, so that the optical full bonding of the touch module 2 and the display module 1 is realized, the blackness of the touch display screen when the touch display screen is in a screen-off state and the definition of fonts when the touch display screen is in a screen-on state are obviously improved, and the yield of the touch module 2 and the display module 1 in the optical full bonding production process is obviously improved.
Specifically, the display module 1 has a display portion for display, the touch module 2 has a touch portion for display and touch operation, the face adhesive layer 32 is located between the display portion and the touch portion, and the annular adhesive layer 31 is disposed around the outer periphery of the face adhesive layer 32.
Preferably, the display screen body 13 includes a back shell 132 having a concave cavity and a display screen main body 131 disposed in the concave cavity, the upper polarizer 12 is disposed on the display screen main body 131, and the metal frame 11 is disposed around the back shell 132 and locks the display screen main body 131 in the concave cavity. The annular flange 111 has a pressing portion that presses against the display main body 131.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.
Claims (10)
1. The laminating method of the touch display screen is suitable for laminating the touch display screen with the height difference between the metal frame and the upper polaroid, and is characterized by comprising the following steps:
On one side of the display module, which is used for being matched with the touch module, a ring-shaped adhesive layer is formed by dispensing silica gel liquid adhesive along the peripheral edge of the inner side of the metal frame so as to fill up the height difference between the metal frame and the upper polarizer, and the ring-shaped adhesive layer is illuminated;
The method comprises the steps that silica gel liquid glue dispensing is adopted on the surface of one side of an upper polarizer, which is used for being matched with a touch module, and is positioned in a display area of the display module, and on the surface of one side of the touch module, which is used for being matched with the display module, and is positioned in a touch area of the touch module, so that a first surface glue layer is formed on the upper polarizer, a second surface glue layer is formed on the touch module, and illumination is carried out on the first surface glue layer and the second surface glue layer respectively;
the display module and the touch module are attached together, the annular adhesive layer is cured to form an annular adhesive layer, and the first adhesive layer and the second adhesive layer are pressed and cured to form a surface adhesive layer.
2. The method of claim 1, wherein the first adhesive layer comprises a first adhesive layer and two V-shaped adhesive layers respectively disposed at two ends of the first adhesive layer, and tip ends of the two V-shaped adhesive layers are connected with the first adhesive layer.
3. The method for attaching a touch display screen according to claim 2, wherein the upper polarizer is a rectangular sheet, the upper polarizer has two long edges disposed opposite to each other at intervals and two short edges disposed opposite to each other at intervals, the linear adhesive layer is parallel to the long edges, and notches of the two V-shaped adhesive layers are disposed toward the two short edges, respectively.
4. The method for attaching a touch display screen as defined in claim 2 or 3, wherein the second adhesive layer is in a shape of a line.
5. The method for attaching a touch display screen according to any one of claims 1 to 3, wherein the annular adhesive layer is irradiated with ultraviolet light; and/or the number of the groups of groups,
The first surface adhesive layer is irradiated by ultraviolet light; and/or the number of the groups of groups,
The second surface adhesive layer is irradiated by ultraviolet light.
6. A method of bonding a touch display panel according to any one of claims 1 to 3, wherein the first and second adhesive layers each have a surface reflectance of less than 0.5%.
7. A method of attaching a touch display panel according to any one of claims 1 to 3, wherein a height difference of 0.3mm±0.1mm exists between a surface of the metal bezel for mating with the touch module and a surface of the upper polarizer for mating with the touch module.
8. The method for attaching a touch display screen according to any one of claims 1 to 3, wherein the touch module comprises a touch functional sheet and a cover plate attached to the touch functional sheet, and the second adhesive layer is disposed on a surface of the touch functional sheet opposite to the cover plate.
9. The touch display screen is characterized by comprising a touch module, a display module and an adhesive layer arranged between the touch module and the display module, wherein the display module comprises a display screen body, an upper polaroid arranged on one side of the display screen body and a metal frame arranged on the outer edge of the display screen body in a ring mode, the metal frame is provided with an annular flange extending from the display screen body towards the side where the upper polaroid is arranged, the adhesive layer comprises an annular adhesive layer which is arranged along the peripheral edge of the inner side of the annular flange in a surrounding mode and is adhered to the touch module, and a surface adhesive layer which is arranged on the inner side of the annular adhesive layer and is adhered to the upper polaroid and between the touch module, the annular adhesive layer is formed by adopting an annular adhesive layer formed by adopting a silica gel liquid adhesive point adhesive through illumination and solidification, the annular adhesive layer corresponds to level the height difference between the metal frame and the upper polaroid, and the surface adhesive layer is formed by adopting a first surface adhesive layer formed by adopting a silica gel liquid adhesive point adhesive on the upper polaroid and a second surface formed by adopting a silica gel liquid adhesive point adhesive on the touch module through lamination and irradiation and solidification.
10. The touch display of claim 9, wherein the display body comprises a back shell having a cavity and a display body disposed in the cavity, the upper polarizer is disposed on the display body, and the metal bezel is disposed around the back shell and locks the display body in the cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811168497.2A CN109240542B (en) | 2018-10-08 | 2018-10-08 | Touch screen bonding method and touch screen |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811168497.2A CN109240542B (en) | 2018-10-08 | 2018-10-08 | Touch screen bonding method and touch screen |
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| CN109240542A CN109240542A (en) | 2019-01-18 |
| CN109240542B true CN109240542B (en) | 2024-11-19 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109799926A (en) * | 2019-01-23 | 2019-05-24 | 惠州市华星光电技术有限公司 | Touch-control display panel and touch control display apparatus |
| CN111484804A (en) * | 2020-06-01 | 2020-08-04 | 芜湖云木电子科技有限公司 | Full-lamination method of vehicle-mounted display screen |
| CN111984149B (en) * | 2020-08-13 | 2024-12-10 | 业成科技（成都）有限公司 | Touch components, display modules and electronic devices |
| CN112181194A (en) * | 2020-08-27 | 2021-01-05 | 晟光科技股份有限公司 | Full-lamination process of touch display module |
| CN112327073B (en) * | 2020-10-09 | 2022-11-01 | 武汉华星光电半导体显示技术有限公司 | Flexible screen testing device and flexible screen testing method |
| CN113653714A (en) * | 2021-08-11 | 2021-11-16 | 翔实光电科技(昆山)有限公司 | Full-lamination method, touch display module and full-lamination system |
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