CN210271562U - Foldable ultrathin glass cover plate with circular polarization and touch screen functions - Google Patents
Foldable ultrathin glass cover plate with circular polarization and touch screen functions Download PDFInfo
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- CN210271562U CN210271562U CN201921209359.4U CN201921209359U CN210271562U CN 210271562 U CN210271562 U CN 210271562U CN 201921209359 U CN201921209359 U CN 201921209359U CN 210271562 U CN210271562 U CN 210271562U
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- circular polarization
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- 229920005989 resin Polymers 0.000 claims description 14
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 12
- 230000003373 anti-fouling effect Effects 0.000 claims description 5
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- 238000007639 printing Methods 0.000 abstract description 30
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- 239000003086 colorant Substances 0.000 description 5
- 238000010023 transfer printing Methods 0.000 description 5
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- 229920000139 polyethylene terephthalate Polymers 0.000 description 3
- 229920002799 BoPET Polymers 0.000 description 2
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- 238000005034 decoration Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000007646 gravure printing Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000002310 reflectometry Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000006124 Pilkington process Methods 0.000 description 1
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- 239000011247 coating layer Substances 0.000 description 1
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a take collapsible ultra-thin glass apron of circular polarization and touch-sensitive screen function, including ultra-thin glass, the printing of ultra-thin glass below has the printing ink frame, and printing ink frame below coating has the explosion-proof coating, and the printing of explosion-proof coating below has nanometer WGP polaroid, and the below coating of nanometer WGP polaroid has 1/4 lambda phase difference membrane, the printing of 1/4 lambda phase difference membrane below has touch line layer. The functional layer is covered in the mode that adopts printing and coating, has both fused the function of touch-sensitive screen and circular polarization, the thickness and the laminating process of the optical cement of saving again, PET membrane, traditional circular polarization piece base material for the function and the glass apron of circular polarization and touch-sensitive screen combine together, make the glass apron that has circular polarization and touch-sensitive screen function change foldingly, and do not have the crease.
Description
Technical Field
The utility model belongs to the folding display screen field of cell-phone, more specifically the collapsible ultra-thin glass apron of band circle polarisation and touch-sensitive screen function that says so relates to.
Background
Since the year 2019, companies including samsung, kyotong, etc. have successively released fully self-developed foldable self-luminous OLED flexible screens. Based on network messages, companies such as samsung, huashi, rouyu, and millet have made related foldable mobile phone products. Unicom even in officers means "fold screen handset not far away! "
The flexible screen essential to the folding screen mobile phone has the advantages of being ultra-strong in portability, high in resolution, high in brightness, low in energy consumption and the like, and the mobile phone adopting the technology can provide high image quality in the future and can further enhance cruising ability by expanding the battery space.
The folding screen mobile phones released in the market at present have many problems, for example, various problems occur on the screen of a tester just released by a three-star Galaxy Fold. So at present, no mobile phone manufacturer really sells the folding screen mobile phone in mass production. One of the problems is that the protective cover plate is made of transparent plastic material, the hardness is insufficient, and the crease is easy to generate.
The foldable screen mobile phone has the advantages that the flexible OLED display panel can be folded, the outer protective cover plate of the flexible OLED display panel also needs to be foldable, the glass cover plate covers the OLED panel, and in the whole mobile phone display screen, other functional layers such as a polarizer and a touch screen are needed between the glass cover plate and the panel layer.
Chinese patent 201920901725.6 relates to a foldable glass cover plate, but does not relate to the function of a touch screen, and the touch screen in the prior art is manufactured by firstly manufacturing a touch circuit on a PET film and then attaching optical cement to the glass cover plate or an OLED panel; the polarizer for the OLED must be a circular polarizer, which is circularly polarized by a polarizer and an 1/4 λ retardation film. At present, the conventional method is that the circular polarizer is attached independently, if the foldable OLED panel is encountered, the method for attaching the touch screen and the circular polarizer directly makes the thickness of the whole foldable display screen thicker, and the touch screen and the circular polarizer are easy to deviate from the OLED panel when being folded, so that the screen is not beneficial to folding. Especially, the folded screen of the samsung Galaxy Fold mobile phone (the folded screen of the folded screen mobile phone is like Mate X, the folded angle of the folded screen is relatively large compared with the folded screen of the folded mobile phone), has a high requirement on the folding of the screen, and if the traditional touch screen is used, the thickness is thick, the folding is not easy, and the touch screen is easy to deviate from a glass cover plate or an OLED panel.
For a folding screen, the thicker the thickness and the more adhesive layers, the more difficult it is to fold and the larger the angle of folding.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a thickness is less, adopts the mode of printing and coating to cover the functional layer, has both fused the function of touch-sensitive screen and circle polarisation, and the thickness and the laminating process of the optical cement, PET membrane, traditional circle polarisation piece base material that save again for the function and the glass apron of circle polarisation and touch-sensitive screen combine together, make the glass apron that has circle polarisation and touch-sensitive screen function change foldingly, and do not have the crease.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a take collapsible ultra-thin glass apron of circular polarization and touch-sensitive screen function, includes ultra-thin glass, ultra-thin glass below printing has the printing ink frame, and printing ink frame below coats and has the explosion-proof layer, and the printing of explosion-proof layer below has the nanometer WGP polaroid, and the below of nanometer WGP polaroid coats and has 1/4 lambda phase difference membrane, 1/4 lambda phase difference membrane below printing has the touch-sensitive line layer.
The nano WGP polarizer is made of nano silver.
Further, the explosion-proof layer is a transparent resin coating.
Further, a plurality of strip-shaped grooves are formed in the transparent resin coating, and the nanoscale WGP polaroid is printed in the grooves.
The touch circuit layer is further a nano-silver touch circuit layer.
The touch circuit layer is further an ITO touch circuit layer.
Further, the thickness of the ultrathin glass is 30-100 micrometers, the thickness of the ink frame is 6-8 micrometers, and the thickness of the explosion-proof layer is 30-60 micrometers.
And further, an anti-fouling coating is arranged above the ultrathin glass.
Compared with the prior art, the beneficial effects of the utility model are that:
1. according to the glass cover plate, the polaroid is printed on the body of the glass cover plate in a nano WGP polaroid printing mode, linear polarization is achieved, a coating mode is used for coating a layer of 1/4 lambda phase difference film to achieve a circular polarization function, the body of the glass cover plate is a part for removing the circular polarization light, meanwhile, a touch layer is printed on the glass cover plate in a nano silver printing mode, optical glue is not needed for adhesion, functions of a touch screen and the circular polarization light are combined, optical glue, a PET film and the thickness and the adhering process of a traditional circular polarizer base material are omitted, functions of the circular polarization light and the touch screen are combined with the glass cover plate, and the glass cover plate with the functions of the circular polarization light and the touch screen is easy to fold; the bending angle of the glass cover plate is effectively reduced, the touch layer and the glass cover plate cannot deviate after being bent, no crease exists, and the glass cover plate is particularly suitable for mobile phones or electronic equipment with a screen folded inwards;
2. the transparent resin coating of 30-60 microns has low material cost and low process cost, and can effectively achieve the explosion-proof effect;
3. the ink frame printed by the gravure printing device can be used for printing various frame colors such as blue, golden and the like, and can be applied to mobile phones with different colors;
4. this application does not have the optical cement layer, does not have the PET layer, does not have traditional circular polarizer base material, so folding angle is little, and is the better for folding angle is little to the infolding screen, and folding back protection apron does not have folding vestige moreover repeatedly, does not influence the display effect.
Drawings
Fig. 1 is a schematic structural diagram of a foldable ultrathin glass protective cover plate with circular polarization and touch screen functions according to the present invention;
FIG. 2 is a schematic diagram of a process for manufacturing a middle-nanoscale WGP polarizer according to the present invention;
fig. 3 is a schematic structural view of an intaglio transfer printing device used in the present invention.
Reference numerals: 1. an anti-fouling coating; 2. ultra-thin glass; 3. printing ink frame; 4.1, an explosion-proof layer; 4.2, a nano WGP polaroid; 5. 1/4 lambda phase difference film; 6. a mold; 7. a groove; 8. a metallic ink; 9. a blade; 10. a touch circuit layer; 51. a jig; 52. a pad printing roller; 53. a gravure cylinder; 54. an ink bin; 55. an ink roller; 56. a doctor blade.
Detailed Description
The embodiment of the foldable ultra-thin glass protective cover plate with circular polarization and touch screen functions according to the present invention is further described with reference to fig. 1 to 3.
In the description of the present invention, it should be noted that, for the orientation words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and the positional relationship are indicated based on the orientation or the positional relationship shown in the drawings, and the description is only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or the element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of the present invention.
Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and "a plurality" or "a plurality" in the description of the invention means two or more unless a specific definition is explicitly provided.
The foldable ultrathin glass cover plate with the functions of circular polarization and a touch screen comprises ultrathin glass 2, wherein an ink frame 3 is printed below the ultrathin glass 2, an explosion-proof layer 4.1 is coated below the ink frame 3, a nanoscale WGP polaroid 4.2 is printed below the explosion-proof layer 4.1, an 1/4 lambda phase difference film 5 is coated below the nanoscale WGP polaroid 4.2, and a touch circuit layer 10 is printed below the 1/4 lambda phase difference film 5.
The nanometer WGP polaroid 4.2 and 1/4 lambda phase difference film jointly form the circular polaroid, wherein the WGP polaroid is combined with the glass cover plate body (combination of ultra-thin glass 2, printing ink frame 3 and explosion-proof layer 4.1) by the printing mode, save optical cement and circular polaroid substrate, make the function and the glass cover plate of circular polaroid melt into an organic whole, touch line layer prints below 1/4 lambda phase difference film simultaneously, also save optical cement, the angle of buckling of glass cover plate has been reduced effectively, and the body of circular polaroid and glass cover plate can not produce the skew after buckling.
In this embodiment, the preferable material of the nano-WGP polarizer 4.2 is nano-silver.
The preferred explosion-proof layer 4.1 of this embodiment is a transparent resin coating, and the thickness of transparent resin coating is 30-60 microns, and transparent resin coating application effect is the best at present CPI, has good explosion-proof effect when reaching certain thickness for glass apron receives the striking cracked time, and the glass bits can not splash out, and transparent resin coating coats on ink frame 3.
The ink frame 3 is printed on the edge of the ultra-thin glass 2, and when the explosion-proof layer 4.1 is actually coated, one part of the explosion-proof layer 4.1 contacts the ink frame 3, and the other part contacts the surface of the ultra-thin glass 2.
In this embodiment, a plurality of strip-shaped grooves 7 are preferably formed in the transparent resin coating, and the nano-scale WGP polarizer 4.2 is printed in the grooves.
The touch circuit layer is preferably a nano-silver touch circuit layer.
Or the touch circuit layer is an ITO touch circuit layer.
In the implementation, the thickness of the preferable ultrathin glass 2 is 30-100 micrometers, the thickness of the ink frame 3 is 6-8 micrometers, and the thickness of the explosion-proof layer 4.1 is 30-60 micrometers.
The ultra-thin glass 2 adopted by the scheme is ultra-thin toughened glass with the thickness of 30-100 microns, and German Schottky corporation has started to supply flexible glass with the thickness of 25-100 microns in batches in 2013, the width of the glass is about 50cm, and the length of the glass is hundreds of meters. In 2014, Asahi glass company of Japan made a flexible glass SPOOL with a thickness of 0.05mm by the float method. Chinese patent CN10404521B discloses a method for preparing flexible ultra-thin glass 2. Chinese patent 201710261451.4 has disclosed WGP polarizers.
The ink frame 3, i.e. the touch circuit layer, of the present embodiment is printed by using a pad printing device, as shown in fig. 3, which mainly includes an ink chamber 54, an intaglio cylinder 53, a pad printing cylinder 52 and a jig 51, wherein the pad printing cylinder 52 is a rubber roller.
The printing ink is placed in an ink chamber, an ink roller 55 is further arranged in the ink chamber, the ink roller 55 is abutted against an intaglio roller 53, the ink roller 55 sucks the printing ink in the ink chamber and transfers the printing ink into an intaglio of the intaglio roller 53, the intaglio roller 53 rotates along the direction a, a doctor blade 56 is arranged beside the intaglio roller 53 to scrape the printing ink in the intaglio of the intaglio roller 53, the intaglio roller 53 transfers the printing ink in the intaglio to the surface of a transfer printing roller 52, the transfer printing roller 52 rotates along the direction b, the ultrathin glass 2 is placed on a jig 51 and moves along the direction c, the ultrathin glass 2 passes below the transfer printing roller 52, the transfer printing roller 52 prints an ink frame 3 on the surface of the ultrathin glass 2, and the ink frame 3 layers reach 6-8 microns through repeated printing.
The nano silver touch circuit layer 10 is printed in the same manner as the ink frame 3, and only the pattern stencil of the gravure cylinder 53 is different. The nano silver touch line can also be manufactured by using a screen printing mode.
Each layer of ultra-thin 2 protection of glass apron in this embodiment all adopts the mode of printing or coating, need not to adopt the optical cement, has both fused the function of touch-sensitive screen and circular polarization, the thickness and the laminating process of the optical cement of saving again, PET membrane, traditional circular polarizer base material for the function and the glass apron of circular polarization and touch-sensitive screen combine together, make the glass apron that has circular polarization and touch-sensitive screen function change foldingly.
In the embodiment, an anti-fouling coating 1 is preferably arranged above the ultrathin glass 2.
A method for manufacturing a foldable ultrathin glass 2 cover plate with circular polarization and touch screen functions comprises the following steps,
1) printing a required ink frame 3 on the lower surface of the ultrathin glass 2 in a gravure printing mode, wherein the thickness of the ink frame 3 is 6-8 microns;
2) the lower surface of the ink frame 3 is coated with a layer of transparent resin coating, and the thickness is 30-60 microns;
3) then, a layer of nano WGP polarizer 4.2 is printed on the lower surface of the transparent resin coating, as shown in figure 2, the specific process is as follows: firstly, using a mold 6 with a stripe-shaped convex structure, forming a groove 7 on a transparent resin coating layer by using a nanoimprint technology; secondly, only the groove 7 is partially filled with the metal ink 8 by using the blade 9; finally, baking the metal gate WGP polaroid by using an oven;
4) coating an 1/4 lambda phase difference film 5 below the nano-scale WGP polarizer 4.2;
5) printing a nano silver circuit below the 1/4 lambda phase difference film 5, and then carrying out laser dry etching trimming on the nano silver circuit; or, when ITO is used, the ITO is first plated on the lower surface of the 1/4 λ retardation film 5, and then the ITO is etched to form the touch line layer 10.
The method further comprises the step of coating an antifouling layer on the upper surface of the ultrathin glass 2, wherein the step is arranged before the step 1) or after the step 5).
In this embodiment, the material of the nano-WGP polarizer 4.2 (i.e., the metallic ink 8) in the step 3) is preferably nano-silver.
By using the low reflectivity of the WGP polarizer with high-durability metal, the visible light polarizer with low reflectivity and high-strength durability is realized. The visible light wavelength used for the metal WGP polarizer for visible light is much thinner than (400-800nm), the polarization characteristic is improved by making the metal grid thinner and thicker, and the line width is thinner than the previously verified 80 nm. And the thick film nano printing technology of the metal ink 8 pattern with the line width of less than 50nm and the aspect ratio of more than 10 is realized by combining the nano imprinting technology, the humidity control technology and the printing technology again.
The transparent resin coating in the embodiment is used as an explosion-proof layer 4.1 and a carrier of a nanoscale WGP polarizer 4.2, so that the adhesion of optical cement is omitted, and the overall thickness is greatly reduced.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a take collapsible ultra-thin glass apron of circular polarization and touch-sensitive screen function which characterized in that: the touch screen comprises ultrathin glass, wherein an ink frame is printed below the ultrathin glass, an explosion-proof layer is coated below the ink frame, a nanoscale WGP polarizer is printed below the explosion-proof layer, an 1/4 lambda phase difference film is coated below the nanoscale WGP polarizer, and a touch circuit layer is printed below the 1/4 lambda phase difference film.
2. The foldable ultrathin glass cover plate with the functions of circular polarization and touch screen of claim 1 is characterized in that: the nano WGP polaroid is made of nano silver.
3. The foldable ultrathin glass cover plate with the functions of circular polarization and touch screen of claim 2 is characterized in that: the explosion-proof layer is a transparent resin coating.
4. The foldable ultrathin glass cover plate with the functions of circular polarization and touch screen of claim 3 is characterized in that: the transparent resin coating is provided with a plurality of strip-shaped grooves, and the nanoscale WGP polaroid is printed in the grooves.
5. The foldable ultrathin glass cover plate with the functions of circular polarization and touch screen of claim 1 is characterized in that: the touch circuit layer is a nano-silver touch circuit layer.
6. The foldable ultrathin glass cover plate with the functions of circular polarization and touch screen of claim 1 is characterized in that: the touch circuit layer is an ITO touch circuit layer.
7. The foldable ultrathin glass cover plate with the functions of circular polarization and touch screen according to any one of claims 2 to 6, characterized in that: the thickness of the ultrathin glass is 30-100 microns, the thickness of the ink frame is 6-8 microns, and the thickness of the explosion-proof layer is 30-60 microns.
8. The foldable ultrathin glass cover plate with the functions of circular polarization and touch screen of claim 1 is characterized in that: and an anti-fouling coating is arranged above the ultrathin glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921209359.4U CN210271562U (en) | 2019-07-29 | 2019-07-29 | Foldable ultrathin glass cover plate with circular polarization and touch screen functions |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921209359.4U CN210271562U (en) | 2019-07-29 | 2019-07-29 | Foldable ultrathin glass cover plate with circular polarization and touch screen functions |
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| CN210271562U true CN210271562U (en) | 2020-04-07 |
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| CN201921209359.4U Active CN210271562U (en) | 2019-07-29 | 2019-07-29 | Foldable ultrathin glass cover plate with circular polarization and touch screen functions |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110322794A (en) * | 2019-07-29 | 2019-10-11 | 恩利克（浙江）智能装备有限公司 | Foldable ultra-thin glass cover board and production method with rotatory polarization and touch screen function |
| CN113561673A (en) * | 2021-07-09 | 2021-10-29 | 深圳市信濠光电科技股份有限公司 | Printing process of foldable glass |
-
2019
- 2019-07-29 CN CN201921209359.4U patent/CN210271562U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110322794A (en) * | 2019-07-29 | 2019-10-11 | 恩利克（浙江）智能装备有限公司 | Foldable ultra-thin glass cover board and production method with rotatory polarization and touch screen function |
| CN110322794B (en) * | 2019-07-29 | 2025-02-18 | 安徽繁盛显示科技有限公司 | Foldable ultra-thin glass cover with circular polarization and touch screen functions and manufacturing method |
| CN113561673A (en) * | 2021-07-09 | 2021-10-29 | 深圳市信濠光电科技股份有限公司 | Printing process of foldable glass |
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20200928 Address after: Room 1103, building 9, 568 Jinyang East Road, Luoxing street, Jiashan County, Jiashan City, Zhejiang Province Patentee after: Enrique (Zhejiang) display technology Co., Ltd Address before: 314000 Area A, 1st Floor, No. 18 Liangchuang Road, Ganyao Town, Jiashan County, Jiaxing City, Zhejiang Province Patentee before: AENEQ Co.,Ltd. |
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Effective date of registration: 20210526 Address after: 233500 No.3 workshop of Mengcheng FanFeng vacuum Industrial Park, Jingliu Road, Mengcheng Economic Development Zone, Mizhou City, Fuyang City, Anhui Province Patentee after: Anhui Fansheng Display Technology Co.,Ltd. Address before: 314100 room 1103, building 9, 568 Jinyang East Road, Luoxing street, Jiashan County, Jiaxing City, Zhejiang Province Patentee before: Enrique (Zhejiang) display technology Co., Ltd |