CN216697222U

CN216697222U - Ultra-thin touch display screen of no rainbow line

Info

Publication number: CN216697222U
Application number: CN202122199839.0U
Authority: CN
Inventors: 高俊奎
Original assignee: Mutto Optronics Corp
Current assignee: Mutto Optronics Corp
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2022-06-07
Anticipated expiration: 2031-09-13

Abstract

The utility model belongs to the technical field of touch screens, in particular to an ultrathin touch display screen without rainbow grains, which comprises a touch display screen, wherein the uppermost end of the touch display screen is a cover plate, the lower end of the cover plate is bonded with a flashlight induction layer through a first adhesive, a Senosr substrate is arranged at the lower end of the flashlight induction layer, an ultrathin substrate such as TAC/PC/PMMA (Poly vinyl acetate)/the like with low phase difference or an SRF (SRF) substrate with high phase difference is used as the cover plate, an ultrathin substrate such as TAC/PC/PMMA/COP (Poly vinyl acetate copolymer)/the like with low phase difference or an SRF ultrathin substrate with high phase difference is used as a sensor substrate, a coating layer on the surface of the cover plate and a conducting layer on the surface of the sensor substrate are formed by adopting high-precision coating equipment, and the three modes are combined, so that the ultrathin touch display screen without rainbow grains can be realized; only the first-level interference color generated by the base material when the low phase difference is 0-550 nm and the super-high-level interference color generated by the base material when the high phase difference is more than 2200nm can not generate colorful stripes with bright colors, so that the rainbow stripe phenomenon can not be generated, the rainbow stripe phenomenon is eliminated, and the visual experience of a user is enhanced.

Description

Ultra-thin touch display screen of no rainbow line

Technical Field

The utility model belongs to the technical field of touch screens, and particularly relates to an ultrathin touch display screen without rainbow stripes.

Background

CG glass that conventional film capacitive touch screen GFF adopted is as the apron, and its thickness generally is between 0.5mm ~ 1.1mm, and the film formula touch-sensitive screen thickness of this kind of GFF structure is still thicker, and the electric capacity layer adopts the PET substrate to produce the rainbow line phenomenon easily simultaneously, observes touch-control display screen at certain angle, and the rainbow line phenomenon is more serious.

The conventional film capacitive touch screen GFF is thick and has rainbow line risk, and the requirement of ultrathin on the market and the visual experience influence cannot be met.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides an ultrathin touch display screen without rainbow stripes, which has the characteristics of reducing the thickness of the touch display screen, eliminating the rainbow stripes and enhancing the visual experience.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an ultra-thin touch-control display screen of no rainbow line, includes the touch-control display screen, the touch-control display screen is the apron uppermost, the lower extreme of apron bonds through first viscose and torch response layer, the lower extreme on torch response layer is provided with the Senosr substrate, the lower extreme of Senosr substrate is provided with the capacitive drive layer, the lower extreme on capacitive drive layer passes through the second viscose and is connected with the bonding of liquid crystal display module, apron, first viscose, torch response layer, Senosr substrate, capacitive drive layer integrated into one piece touch-control screen, second viscose, liquid crystal display module and the integrated touch-control display screen of touch-control screen combination.

As a preferred technical scheme of the ultra-thin touch display screen without rainbow patterns, the cover plate is an ultra-thin substrate with low phase difference such as TAC/PC/PMMA or an SRF substrate with high phase difference, and the thickness of the cover plate is 40 micrometers.

As an optimal technical scheme of the ultrathin touch display screen without rainbow stripes, the first adhesive and the second adhesive have high transmittance and high viscosity.

As a preferred technical scheme of the ultrathin touch display screen without rainbow patterns, the Senosr substrate is an ultrathin substrate with low phase difference such as TAC/PC/PMMA/COP or an SRF substrate with high phase difference, and the thickness of the Senosr substrate is 40 micrometers.

As the preferable technical scheme of the ultrathin touch display screen without rainbow patterns, the flashlight induction layer is formed by coating a conductive layer with the thickness of 20 nm-2 um on the front surface of a Senosr substrate, and is made by yellow light through exposure, development and etching or is made by stamping to obtain edge wiring and in-plane pattern for receiving signals.

As the preferable technical scheme of the ultrathin touch display screen without rainbow stripes, the capacitance driving layer is formed by coating a conductive layer with the thickness of 20 nm-2 um on the back surface of the Senosr substrate.

Compared with the prior art, the utility model has the beneficial effects that: the method comprises the following steps of adopting an ultra-thin base material with low phase difference such as TAC/PC/PMMA or the like or an SRF base material with high phase difference as a cover plate, adopting an ultra-thin base material with low phase difference such as TAC/PC/PMMA/COP or the like or an SRF ultra-thin base material with high phase difference as a sensor base material, and adopting high-precision coating equipment to form a coating layer on the surface of the cover plate and a conducting layer on the surface of the sensor base material; only the first-level interference color generated by the base material when the low phase difference is between 0nm and 550nm and the super-high-level interference color generated by the base material when the high phase difference is greater than 2200nm can not generate colorful stripes with bright colors, so that the rainbow stripe phenomenon can not be generated, the rainbow stripe phenomenon can be eliminated, and the visual experience of a user can be enhanced; the thickness of the touch display screen is greatly reduced due to the ultrathin structure of the cover plate and the sensor substrate, the thickness of the conventional touch screen can be reduced to be 0.75mm at the lowest, the thickness of the touch screen is reduced to be 0.15mm, the thickness is relatively reduced by 5 times, and the ultrathin touch display screen can be realized; the used apron substrate and sensor substrate of no rainbow line touch-control display screen more than can realize ultra-thin requirement, reduces touch-control display screen's thickness, satisfies ultra-thin touch-control display screen's requirement.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic structural diagram of a touch display screen main body according to the present invention;

FIG. 2 is a schematic top view partially in cross section of FIG. 1 according to the present invention;

in the figure: 1. a cover plate; 2. a first adhesive; 3. a flashlight sensing layer; 4. a Senosr substrate; 5. a capacitive drive layer; 6. a second adhesive; 7. a liquid crystal display module; 8. a touch screen; 9. touch-control display screen.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.

Examples

Referring to fig. 1-2, the present invention provides the following technical solutions: an ultrathin touch display screen without rainbow stripes comprises a touch display screen 9, wherein the uppermost end of the touch display screen 9 is a cover plate 1, the lower end of the cover plate 1 is bonded with a flashlight induction layer 3 through a first adhesive 2, the lower end of the flashlight induction layer 3 is provided with a Senosr substrate 4, the lower end of the Senosr substrate 4 is provided with a capacitance driving layer 5, the lower end of the capacitance driving layer 5 is bonded with a liquid crystal display module 7 through a second adhesive 6, the cover plate 1, the first adhesive 2, the flashlight induction layer 3, the Senosr substrate 4 and the capacitance driving layer 5 are combined to form a touch screen 8, the second adhesive 6, the liquid crystal display module 7 and the touch screen 8 are combined to integrate the touch display screen 9, in the embodiment, the surface treatment such as HC/AG/AR/AF and the like is required to be performed on the surface of the cover plate 1, and the treatment of a coating conductive material is required to be performed on the front back of the Senosr substrate 4; the liquid crystal display module 7 may be a TFT liquid crystal display module, an IPS liquid crystal display module, or a flexible OLED display.

Specifically, the cover plate 1 is an ultra-thin substrate such as TAC/PC/PMMA with low phase difference or an SRF substrate with high phase difference, and the thickness is 40 um.

Specifically, the first adhesive 2 and the second adhesive 6 have high transmittance and high viscosity, and in this embodiment, the first adhesive 2 and the second adhesive 6 may be a solid optical transparent adhesive, or a liquid silicone adhesive or an acrylic adhesive.

Specifically, the Senosr substrate 4 is an ultra-thin substrate such as TAC/PC/PMMA/COP with a low phase difference or an SRF substrate with a high phase difference, and has a thickness of 40 um.

Specifically, the flashlight induction layer 3 is formed by coating a conductive layer with the thickness of 20 nm-2 um on the front surface of the Senosr substrate 4, and is made by exposure, development and etched yellow light or is made by stamping to obtain edge wiring and in-plane pattern for receiving signals, in this embodiment, the conductive material of the flashlight induction layer 3 can be flexible transparent conductive materials such as metal grids of Cu or AgBr and the like, nano silver, graphene, carbon nano tubes and the like, and can also be non-flexible transparent conductive materials such as indium tin oxide and the like.

Specifically, the capacitance driving layer 5 is a conductive layer with a thickness of 20nm to 2um coated on the back surface of the Senosr substrate 4, and in this embodiment, an edge trace and an in-plane pattern are obtained through a yellow light process or an imprint process of exposure, development and etching, and are used for receiving signals; the conductive material of the capacitance driving layer 5 may be a metal grid such as Cu or AgBr, a flexible transparent conductive material such as nano silver, graphene, and carbon nanotube, or a non-flexible transparent conductive material such as indium tin oxide.

The working principle and the using process of the utility model are as follows: adopt ultra-thin substrate such as TAC/PC/PMMA of low phase difference or the SRF substrate of high phase difference as apron 1, adopt ultra-thin substrate such as TAC/PC/PMMA/COP of low phase difference or the ultra-thin substrate of SRF of high phase difference as sensor substrate 4, adopt high-precision coating equipment to form the coating film layer on apron surface and the conducting layer on sensor substrate 4 surface, adopt high-accuracy coating film equipment and thickness automatic check out test set, ensure that coating film surface thickness is even, through first viscose 2 with integrative torch induction system 3, Senosr substrate 4, capacitive drive layer 5 and apron 1 combination form touch-sensitive screen 8, then with second viscose 6 with touch-sensitive screen 8 and the integrated touch-sensitive display screen 9 of liquid crystal display module 7 combination.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an ultra-thin touch-control display screen of no rainbow line which characterized in that: including touch-control display screen (9), touch-control display screen (9) are the apron (1) the top, the lower extreme of apron (1) bonds through first viscose (2) and torch response layer (3), the lower extreme of torch response layer (3) is provided with Senosr substrate (4), the lower extreme of Senosr substrate (4) is provided with capacitive drive layer (5), the lower extreme of capacitive drive layer (5) passes through second viscose (6) and is connected with liquid crystal display module (7) bonding, apron (1), first viscose (2), torch response layer (3), Senosr substrate (4), capacitive drive layer (5) combination shaping touch-control display screen (8), second viscose (6), liquid crystal display module (7) and touch-sensitive screen (8) combination integration touch-control display screen (9).

2. The ultra-thin touch display screen without rainbow textures of claim 1, wherein: the cover plate (1) is a TAC/PC/PMMA ultrathin substrate with low phase difference or an SRF substrate with high phase difference, and the thickness of the cover plate is 40 mu m.

3. The ultra-thin touch display screen without rainbow textures of claim 1, wherein: the Senosr substrate (4) is a TAC/PC/PMMA/COP ultrathin substrate with low phase difference or an SRF substrate with high phase difference, and the thickness is 40 mu m.

4. The ultra-thin touch display screen without rainbow textures of claim 1, wherein: the capacitance driving layer (5) is a conducting layer with the thickness of 20 nm-2 um, and is plated on the back surface of the Senosr base material (4).