CN111475049A - Touch screen and touch screen manufacturing method - Google Patents
Touch screen and touch screen manufacturing method Download PDFInfo
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- CN111475049A CN111475049A CN202010269470.3A CN202010269470A CN111475049A CN 111475049 A CN111475049 A CN 111475049A CN 202010269470 A CN202010269470 A CN 202010269470A CN 111475049 A CN111475049 A CN 111475049A
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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
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/13338—Input devices, e.g. touch panels
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- 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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Abstract
The application discloses touch screen and touch screen manufacturing method, wherein the touch screen comprises: the first module is formed by superposing and attaching the flexible film sensor and the liquid crystal display module; and the glass cover plate is attached to one side surface, far away from the liquid crystal display module, of the flexible film sensor. The application provides a touch screen forms first module with flexible film sensor and the laminating of liquid crystal display module superpose, as an overall structure, because the binding face of liquid crystal display module and flexible film sensor is the plane, therefore, be favorable to the flexible film sensor to laminate in the surface of liquid crystal display module smoothly, the laminating on the unevenness surface of film sensor independent and 3D glass apron or special-shaped glass apron among the prior art has been avoided, the shaping of first module adopts soft and hard laminating technology, the technology is mature, the requirement is not high to the equipment, thereby the yield has been improved, and the manufacturing cost is reduced.
Description
Technical Field
The application relates to the technical field of electronic equipment, in particular to a touch screen. The application also relates to a manufacturing method of the touch screen.
Background
In order to pursue novel appearance, attractiveness and technological sense, 3D glass cover plates or special-shaped glass cover plates are increasingly adopted for touch screens, but due to the limitation of manufacturing processes, the 3D glass cover plates or the special-shaped glass cover plates with large bending radian are not easy to realize on extremely narrow-frame or even borderless touch screens.
Disclosure of Invention
The application provides the following technical scheme:
a touch screen, comprising:
the first module is formed by superposing and attaching the flexible film sensor and the liquid crystal display module;
and the glass cover plate is attached to one side surface, far away from the liquid crystal display module, of the flexible film sensor.
Preferably, in the touch screen, the outer contour size of the flexible film sensor is smaller than the outer contour size of the liquid crystal display module, and a frame of the flexible film sensor is located within the outer contour of the liquid crystal display module;
or the outer contour dimension of the flexible film sensor is larger than that of the liquid crystal display module, and the outer contour part of the flexible film sensor, which exceeds the liquid crystal display module, is attached to the peripheral surface of the liquid crystal display module.
Preferably, in the touch screen, the flexible film sensor is attached to the liquid crystal display module through a first optical adhesive layer, and the glass cover plate is attached to the flexible film sensor through a second optical adhesive layer.
Preferably, in the above touch screen, the first optical adhesive layer is an OCA optical adhesive or an OCR optical adhesive, and the second optical adhesive layer is an OCR optical adhesive.
Preferably, in the above touch screen, the flexible film sensor includes a flexible film and a touch sensor, and the touch sensor is disposed on the flexible film.
Preferably, in the above touch screen, the touch sensor is made of a metal mesh, a silver nanowire or an ITO material. .
Preferably, in the touch screen, the frames on the left and right sides of the flexible film sensor are in a half-and-half outgoing line arrangement structure on the two sides; the line width of flexible film sensor is 8um ~ 12um, the line distance of flexible film sensor is 8um ~ 12 um.
The application also provides a touch screen manufacturing method, which is used for manufacturing the touch screen, and the steps comprise:
s100, attaching the flexible film sensor to the surface of the liquid crystal display module to form a first module;
s200, attaching a glass cover plate to the surface of one side, far away from the liquid crystal display module, of the flexible film sensor.
Preferably, in the method for manufacturing a touch panel, the step S100 of attaching the flexible film sensor to the surface of the liquid crystal display module to form a first module specifically includes:
s101, attaching a first optical adhesive layer to the attached surface of the liquid crystal display module and/or the flexible film sensor;
s102, covering the flexible film sensor on the surface of the liquid crystal display module, rolling the surface of one side, far away from the liquid crystal display module, of the flexible film sensor by using a roller, and attaching the flexible film sensor to the surface of the liquid crystal display module to form a first module.
Preferably, in the method for manufacturing a touch panel, the step S200 of attaching a glass cover plate to a surface of the flexible film sensor on a side away from the liquid crystal display module specifically includes:
s201, attaching a second optical adhesive layer to the surface, attached to the flexible film sensor and/or the glass cover plate;
s202, covering the glass cover plate on the surface of one side, far away from the liquid crystal display module, of the flexible film sensor of the first module, and performing vacuum lamination.
Compared with the prior art, the beneficial effects of this application are:
the application provides a touch screen forms first module with flexible film sensor and the laminating of liquid crystal display module superpose, as an overall structure, because the binding face of liquid crystal display module and flexible film sensor is the plane, therefore, be favorable to the flexible film sensor to laminate in the surface of liquid crystal display module smoothly, the laminating on the unevenness surface of film sensor independent and 3D glass apron or special-shaped glass apron among the prior art has been avoided, the shaping of first module adopts soft and hard laminating technology, the technology is mature, the requirement is not high to the equipment, thereby the yield has been improved, and the manufacturing cost is reduced.
Compared with the prior art that the film sensor is firstly attached to the uneven surface of a 3D glass cover plate or an irregular glass cover plate to form a touch screen stack structure and then is attached to L CD, the flexible film sensor is firstly attached to the surface of the liquid crystal display module to form the first module, the attaching face of the liquid crystal display module and the flexible film sensor is a plane, so that the attaching of the flexible film sensor is facilitated, the process is a soft-to-hard attaching process, the process is mature, the requirement on equipment is not high, the yield is improved, the manufacturing cost is reduced, mass production can be realized, and the flexible film sensor can be bent to the peripheral edge or even the back of the liquid crystal display module, so that the whole frame width of the liquid crystal display module is reduced, and the narrow frame or even borderless touch screen scheme can be realized.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is an exploded schematic view of a touch screen according to an embodiment of the present disclosure;
fig. 2 is a schematic view of an assembly structure of a touch screen according to an embodiment of the present disclosure;
fig. 3 is a schematic view of an assembly structure of another touch screen according to an embodiment of the present disclosure;
fig. 4 is a schematic diagram illustrating a first module of a touch screen manufacturing method according to an embodiment of the present disclosure;
fig. 5 is a schematic diagram illustrating a combination of a first module and a glass cover plate in a touch screen manufacturing method according to an embodiment of the present disclosure;
FIG. 6 is a schematic diagram of a conventional wire-out structure of a thin film sensor;
fig. 7 is a schematic view of an outlet structure of a flexible film sensor of a touch screen according to an embodiment of the present disclosure.
Wherein, 1 is the glass apron, 2 is first module, 21 is flexible film sensor, 22 is the liquid crystal display module, 3 is the gyro wheel, 4 is lower platform, 5 is the upper ledge, 6 is the second optical cement layer, 7 is first optical cement layer, 8 is the PCB board.
Detailed Description
The core of the application is to provide the touch screen, so that the yield is improved, and the manufacturing cost is reduced.
The application also provides a touch screen manufacturing method, which improves the yield and reduces the manufacturing cost.
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.
Referring to fig. 1 to 5, an embodiment of the present application provides a touch screen, including a first module 2 and a glass cover plate 1; wherein, the glass cover plate 1 is a 3D glass cover plate or a special-shaped glass cover plate. The first module 2 is formed by superposing and attaching the flexible film sensor 21 and the liquid crystal display module 22 to form an independent whole; the glass cover plate 1 is attached to one side surface of the flexible film sensor 21 of the first module 2, which is far away from the liquid crystal display module 22.
Compared with the existing touch screen consisting of a touch screen stack structure and L CD, the touch screen stack structure is an integral structure obtained by adhering a film sensor to a 3D glass cover plate or a special-shaped glass cover plate, and then the touch screen stack structure of the integral structure is adhered to L CD, because the 3D glass cover plate or the special-shaped glass cover plate has a bending structure, the adhering surface is uneven, the adhesion of the film sensor to the bending surface of the 3D glass cover plate or the special-shaped glass cover plate is not facilitated, the requirement on equipment is very high, and the yield is low, the manufacturing cost is high.
As shown in fig. 2, in the present embodiment, on the premise that the normal touch operation of the touch screen is satisfied, the outer size of the flexible film sensor 21 is smaller than the outer size of the liquid crystal display module 22, and the frame 211 of the flexible film sensor 21 is located within the outer size of the liquid crystal display module 22, so that the frame 211 of the flexible film sensor 21 does not exceed the outer size of the liquid crystal display module 22. Because the frame 211 of the flexible film sensor 21 is formed by gathering the wires extending from the periphery of the flexible film sensor 21, the wires are connected with the PCB board 8. Adopt the structure in this embodiment, first module 2 laminates behind glass apron 1, when clearance both laminating position outward flanges, because frame 211 of flexible film sensor 21 is located within the outline of liquid crystal display module 2, consequently, the wire that stretches out all around of flexible film sensor 21 can not receive the damage to do not influence the laminating quality of first module 2 and glass apron 1.
Further, since the touch area of the flexible film sensor 21 is usually determined according to the size of the outer contour of the liquid crystal display module 22, and the size of the touch area is not changed, in order to enable the frame 211 of the flexible film sensor 21 to be located within the outer contour of the liquid crystal display module 22, the frame 211 of the flexible film sensor 21 can be narrowed. In the present embodiment, the line width and the line distance of the flexible thin film sensor 21 are reduced, so that the flexible thin film sensor 21 is more compactly arranged, the width of the frame 211 formed by converging the conductive lines is reduced, and the frame 211 is narrowed. Specifically, the line width of the flexible thin film sensor 21 is 8um to 12um, the line distance of the flexible thin film sensor 21 is 8um to 12um, optionally, the line width is 10 μm, and the line distance is 10 μm, so that the line width and the line distance are reduced as much as possible under the condition that the functional requirements are satisfied.
As shown in fig. 6 and 7, in addition to narrowing the frame 211 of the flexible thin film sensor 21 by reducing the line width and the line distance, the line outgoing manner of the flexible thin film sensor 21 may be changed, specifically, as shown in fig. 7, the left and right frames 211 of the flexible thin film sensor 21 are in a half-and-half line outgoing arrangement structure with two sides respectively; that is, in all the Y-direction wires of the flexible film sensor 21 (the flexible film sensor 21 includes an X-direction wire and a Y-direction wire, and in fig. 7, the Y-direction wire is a vertical wire), half of the Y-direction wires are led to the left to form a left side frame, and the remaining half of the Y-direction wires are led to the right to form a right side frame.
As shown in fig. 3, if the outer size of the flexible film sensor 21 is larger than the size of the liquid crystal display module 22, in order to avoid damaging the flexible film sensor 21 when the first module 2 is attached to the glass cover plate 1, the present embodiment provides another arrangement structure of the flexible film sensor 21. Specifically, the part of the flexible film sensor 21 exceeding the outer contour of the liquid crystal display module 22 is attached to the peripheral surface of the liquid crystal display module 22, that is, the part of the flexible film sensor 21 exceeding the outer contour of the liquid crystal display module 22 is folded and attached to the peripheral surface of the liquid crystal display module 22, and can be attached to the peripheral side surface or the back surface of the liquid crystal display module 22, so that a narrow-frame or borderless screen is realized, and the existing film sensor is attached to a glass cover plate, which is not beneficial to realizing a narrow-frame or borderless touch screen scheme, and the frame 211 of the flexible film sensor 21 is hidden at the back surface of the liquid crystal display module 22, and when the first module 2 is attached to the glass cover plate 1, the outgoing line of the flexible film sensor 21 cannot be damaged.
When the part of the flexible film sensor 21 exceeding the outer contour of the liquid crystal display module 22 is folded and attached to the back of the liquid crystal display module 22, the outer contour of the folded flexible film sensor 21 is only larger than the outer contour of the liquid crystal display module 22 by 0.6mm, wherein the outer contour of the folded flexible film sensor 21 includes the thickness of the flexible film sensor 21 and a folding reserved gap.
As shown in fig. 2 and 3, in the present embodiment, the flexible film sensor 21 and the liquid crystal display module 22 are bonded together by the first optical adhesive layer 7, and the glass cover plate 1 and the flexible film sensor 21 are bonded together by the second optical adhesive layer 6. The first optical adhesive layer 7 and the second optical adhesive layer 6 are both transparent optical adhesives. The first module 2 is formed after the flexible film sensor 21 is attached to the liquid crystal display module 22, the first module 2 is of a hard structure, the glass cover plate 1 is of a hard structure, the attaching process of the two hard structures is simple, the glass cover plate 1 and the first module 2 are attached through the second optical adhesive layer 6, the second optical adhesive layer 6 is filled in the inner end face of the 3D glass cover plate or the special-shaped glass cover plate, the originally uneven inner end face is enabled to be flat, the section difference between the inner end face of the 3D glass cover plate or the special-shaped glass cover plate and the first module 2 can be eliminated, the flat attaching of the 3D glass cover plate or the special-shaped glass cover plate and the flexible film sensor 21 is guaranteed, and the yield is improved.
Further, in this embodiment, the first optical adhesive layer 7 is an OCA optical adhesive or an OCR optical adhesive, the OCA optical adhesive is a solid adhesive, the OCR optical adhesive is a liquid adhesive, and in the process of attaching the flexible film sensor 21 to the liquid crystal display module 22, since the attaching surface of the liquid crystal display module 22 is a flat surface, the attaching requirement can be satisfied by selecting either the OCA optical adhesive or the OCR optical adhesive.
In this embodiment, second optical cement layer 6 is OCR optical cement, when 3D glass apron or special-shaped glass apron and first module 2 laminating, utilizes the better liquid OCR optical cement of mobility to fill in the interior terminal surface of glass apron 1, can eliminate the segment difference because the unevenness of glass apron 1 brings better, avoids the binding face to produce the bubble to improve the laminating quality.
Preferably, in the embodiment, the thickness of the first optical adhesive layer 7 is 0.05mm to 0.15mm, and specifically may be 0.1mm, and the thickness of the second optical adhesive layer 6 is 0.25mm to 0.35mm, and specifically may be 0.2mm, and the thickness of the second optical adhesive layer 6 is determined according to the unevenness of the 3D glass cover plate or the shaped glass, as long as the step difference can be eliminated, and is not limited to the thicknesses listed in the embodiment.
In this embodiment, the flexible film sensor 21 includes a flexible film and a touch sensor, and the touch sensor is disposed on the flexible film, so as to meet the requirements of bending, folding, and the like of the flexible film sensor. Optionally, the touch sensor is made of a metal mesh, a silver nanowire or an ITO material, and preferably, the metal mesh or the silver nanowire is used. The flexible film can be made of soft materials such as PET polyester film.
The embodiment of the present application further provides a method for manufacturing a touch screen, which is used for manufacturing the touch screen described in any of the above embodiments, and the method includes the steps of:
step S100, firstly, attaching the flexible film sensor 21 to the surface of the liquid crystal display module 22 to form a first module 2;
step S200, adhering the glass cover plate 1 to a surface of the flexible film sensor 21 on a side away from the liquid crystal display module 22, where the glass cover plate 1 is a 3D glass cover plate or an irregular cover plate.
Compare in current laminate the film sensor to 3D glass apron or special-shaped glass apron earlier, form the touch screen and fold the structure, then laminate with L CD, this application is because flexible film sensor 21 laminates in liquid crystal display module 22's surface earlier, form first module 2, because liquid crystal display module 22's binding face is the plane, be favorable to flexible film sensor 21 to laminate in liquid crystal display module 22's surface, this process is soft laminating technology firmly, the process is ripe, it is not high to the equipment requirement, thereby the yield has been improved, manufacturing cost has been reduced, can realize the volume production, and flexible film sensor 21 can buckle liquid crystal display module 22's all edges all around or the back, make the holistic frame width of liquid crystal display module 22 reduce, so that realize narrow frame or no border touch-control screen scheme even.
As shown in fig. 4, further, in this embodiment, the attaching the flexible film sensor 21 to the surface of the liquid crystal display module 22 in step S100 to form the first module 2 specifically includes the following steps:
step S101, attaching the first optical adhesive layer 7 to the surface of the liquid crystal display module 22 and/or the flexible film sensor 21, that is, attaching the first optical adhesive layer 7 to the surface of the liquid crystal display module 22 or the flexible film sensor 21 alone, or attaching the first optical adhesive layer 7 to both surfaces. For convenience of gluing, it is preferable to attach the first optical adhesive layer 7 to the attachment surface of the hard liquid crystal display module 22, place the liquid crystal display module 22 on the lower platform 4 in a dust-free environment, and attach the first optical adhesive layer 7 to the attachment surface of the liquid crystal display module 22. The first optical adhesive layer 7 can be OCA optical adhesive or OCR optical adhesive, and proper optical adhesive can be selected according to cost control.
Step S102, covering the flexible film sensor 21 on the surface of the liquid crystal display module 22, rolling the surface of the flexible film sensor 21 away from the liquid crystal display module 22 by using the roller 3, and attaching the flexible film sensor 21 to the surface of the liquid crystal display module 22 to form the first module 2. Specifically, the rolling surface of the roller 3 contacts the upper surface of the flexible film sensor 21, a certain pressure is applied, and the flexible film sensor 21 is attached to the liquid crystal display module 22 along with the roller 3 rolling from one side edge of the flexible film sensor 21 to the opposite other side edge along the horizontal direction, thereby completing the manufacture of the first module 2.
As shown in fig. 5, in this embodiment, the attaching the glass cover plate 1 to the surface of the flexible film sensor 21 on the side away from the liquid crystal display module 22 in step S200 specifically includes the following steps:
step S201, attaching the second optical adhesive layer 6 to the attached surface of the flexible film sensor 21 and/or the glass cover 1, that is, attaching the second optical adhesive layer 6 to the attached surface of the flexible film sensor 21 or the glass cover 1 alone, or attaching the second optical adhesive layer 6 to the attached surfaces of both. Preferably, a second optical adhesive layer 6 is attached to the upper surface of the flexible film sensor 21 of the first module 2, and the second optical adhesive layer 6 is liquid OCR optical adhesive;
step S202, covering the glass cover plate 1 on the surface of the flexible film sensor 21 of the first module 2, which is far away from the liquid crystal display module 22, and performing vacuum bonding. Specifically, the upper platform 5 bears the glass cover plate 1, moves downwards and covers the upper surface of the flexible film sensor 21, the second optical adhesive layer 6 is filled on the lower end face of the 3D glass cover plate or the special-shaped glass cover plate, the section difference between the glass cover plate 1 and the binding face of the flexible film sensor 21 is eliminated through the second optical adhesive layer 6, the binding quality is guaranteed, and after the second optical adhesive layer 6 is solidified, the touch screen is manufactured.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A touch screen, comprising:
the first module is formed by superposing and attaching the flexible film sensor and the liquid crystal display module;
and the glass cover plate is attached to one side surface, far away from the liquid crystal display module, of the flexible film sensor.
2. The touch screen of claim 1, wherein the outer dimension of the flexible film sensor is smaller than the outer dimension of the liquid crystal display module, and a frame of the flexible film sensor is located within the outer dimension of the liquid crystal display module;
or the outer contour dimension of the flexible film sensor is larger than that of the liquid crystal display module, and the outer contour part of the flexible film sensor, which exceeds the liquid crystal display module, is attached to the peripheral surface of the liquid crystal display module.
3. The touch screen of claim 1, wherein the flexible film sensor is attached to the liquid crystal display module by a first optical adhesive layer, and the glass cover plate is attached to the flexible film sensor by a second optical adhesive layer.
4. The touch screen of claim 3, wherein the first optical adhesive layer is OCA optical adhesive or OCR optical adhesive, and the second optical adhesive layer is OCR optical adhesive.
5. The touch screen of claim 1, the flexible film sensor comprising a flexible film and a touch sensor disposed on the flexible film.
6. The touch screen of claim 5, wherein the touch sensor is made of metal mesh, silver nanowires or ITO.
7. The touch screen of claim 1, wherein the left and right side frames of the flexible film sensor are in a half-and-half outgoing line arrangement structure on two sides; the line width of flexible film sensor is 8um ~ 12um, the line distance of flexible film sensor is 8um ~ 12 um.
8. A touch panel manufacturing method for manufacturing a touch panel according to any one of claims 1 to 7, the steps comprising:
s100, attaching the flexible film sensor to the surface of the liquid crystal display module to form a first module;
s200, attaching a glass cover plate to the surface of one side, far away from the liquid crystal display module, of the flexible film sensor.
9. The method for manufacturing a touch screen according to claim 8, wherein the step S100 of attaching the flexible film sensor to the surface of the liquid crystal display module forms a first module, which specifically includes:
s101, attaching a first optical adhesive layer to the attached surface of the liquid crystal display module and/or the flexible film sensor;
s102, covering the flexible film sensor on the surface of the liquid crystal display module, rolling the surface of one side, far away from the liquid crystal display module, of the flexible film sensor by using a roller, and attaching the flexible film sensor to the surface of the liquid crystal display module to form a first module.
10. The method for manufacturing a touch screen according to claim 8 or 9, wherein the step S200 of attaching a glass cover plate to a side surface of the flexible film sensor away from the liquid crystal display module specifically includes:
s201, attaching a second optical adhesive layer to the surface, attached to the flexible film sensor and/or the glass cover plate;
s202, covering the glass cover plate on the surface of one side, far away from the liquid crystal display module, of the flexible film sensor of the first module, and performing vacuum lamination.
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| CN202010269470.3A CN111475049A (en) | 2020-04-08 | 2020-04-08 | Touch screen and touch screen manufacturing method |
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| CN112489572A (en) * | 2020-12-14 | 2021-03-12 | 牧东光电科技有限公司 | Full screen of no frame high screen ratio |
| CN113099663A (en) * | 2021-04-08 | 2021-07-09 | 京东方科技集团股份有限公司 | Display module and display device |
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| CN110288909A (en) * | 2019-06-11 | 2019-09-27 | 武汉华星光电半导体显示技术有限公司 | A kind of bend glass cover board and preparation method thereof, flexible display device |
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| CN113099663A (en) * | 2021-04-08 | 2021-07-09 | 京东方科技集团股份有限公司 | Display module and display device |
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