CN111176490A - Structure and manufacturing method of foldable AMOLED display screen - Google Patents

Structure and manufacturing method of foldable AMOLED display screen Download PDF

Info

Publication number
CN111176490A
CN111176490A CN202010098015.1A CN202010098015A CN111176490A CN 111176490 A CN111176490 A CN 111176490A CN 202010098015 A CN202010098015 A CN 202010098015A CN 111176490 A CN111176490 A CN 111176490A
Authority
CN
China
Prior art keywords
layer
thickness
touch sensor
microns
pet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010098015.1A
Other languages
Chinese (zh)
Inventor
赖耀升
江建志
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aeneq Co ltd
Original Assignee
Aeneq Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Aeneq Co ltd filed Critical Aeneq Co ltd
Priority to CN202010098015.1A priority Critical patent/CN111176490A/en
Publication of CN111176490A publication Critical patent/CN111176490A/en
Priority to PCT/CN2020/098491 priority patent/WO2021164169A1/en
Pending legal-status Critical Current

Links

Images

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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10—OLED displays
    • H10K59/12—Active-matrix OLED [AMOLED] displays
    • H10K59/122—Pixel-defining structures or layers, e.g. banks
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/40—OLEDs integrated with touch screens
    • 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

Abstract

The invention discloses a structure of a foldable AMOLED display screen, which sequentially comprises a PI substrate, a circuit driving layer and an OLED layer from bottom to top, wherein a plurality of thin film packaging layers are arranged above the OLED layer, an ultrathin glass layer is attached to the upper portion of the plurality of thin film packaging layers, a touch sensor layer is plated on the upper portion of the ultrathin glass layer, a circular polarizer is attached to the upper portion of the touch sensor layer, PET is attached to the upper portion of the circular polarizer, a hardened anti-fouling film is arranged on the upper surface of the PET, or the circular polarizer is arranged below the ultrathin glass layer, the ultrathin glass is used as a protective layer to protect a flexible AMOLED, no crease exists when the AMOLED display screen is bent, the whole AMOLED display screen is thinner, bending is facilitated, meanwhile, the touch sensor is positioned on.

Description

Structure and manufacturing method of foldable AMOLED display screen
Technical Field
The invention belongs to the field of OLED display screens, and particularly relates to a structure and a manufacturing method of a foldable AMOLED display screen.
Background
Since the year 2019, companies including the beijing east have successively exposed foldable self-luminous flexible screens that are completely self-developed. Companies such as samsung, huayao, etc. have also made related products based on network messages. Unicom even in officers means "fold screen handset not far away! "
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.
Besides that the flexible OLED display panel of the folding screen mobile phone is foldable, in the whole mobile phone display screen, other functional layers such as a polarizer, a touch screen and the like are required between the glass cover plate and the panel layer, and the thicker the thickness of all the functional layers is, the more the functional layers are not beneficial to folding. At present, two structures of a folding OLED display panel are available in the market, one is a three-star method, a circuit driver (LTPS-TFT) is plated on a PI substrate, an OLED layer (RGB-OLED) is plated, a multilayer film package (TFE) is further adopted, a touch sensor is further adopted, an OCA (optical clear adhesive) adhesive circular polarizer is further adopted, an OCA adhesive plastic Cover Plate (CPI) is further adopted, a hardened film (Hard Coat) is plated on the CPI, a PET (polyethylene terephthalate) is further adopted on the OCA adhesive circular polarizer, and a hardened and anti-fouling film is plated on the CPI; the second one has more layers than the first one, and comprises a PI substrate coated with a circuit driver (LTPS-TFT), an OLED layer (RGB-OLED), a multilayer film package (TFE), an OCA-bonded PET, a touch sensor, an OCA-bonded circular polarizer, an OCA-bonded plastic Cover Plate (CPI), a hardening film, an OCA-bonded PET and a hardening antifouling film.
The main disadvantage of the first three-star solution is that the CPI, which is a protective layer for the OLED layer, plus the cured film, although it can be bent, will create creases after bending, which is very disadvantageous for folding the screen. The second solution, with the addition of one layer of PET and the need for more OCA, resulted in a considerable increase in thickness and also in the use of CPI, which resulted in creasing.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a flexible AMOLED (active matrix/organic light emitting diode) which is protected by using ultrathin glass as a protective layer, has no crease during bending, is thinner as a whole and is beneficial to bending, and meanwhile, a touch sensor is positioned on the ultrathin glass, so that the yield is higher during production.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a structure of collapsible AMOLED display screen includes PI base plate, circuit drive layer, OLED layer from bottom to top in proper order, and OLED layer top is equipped with multilayer film packaging layer, the laminating of multilayer film packaging layer top has ultra-thin glass layer, and touch sensor layer has been plated to ultra-thin glass layer top, and the laminating of touch sensor layer top has the circular polaroid, and the laminating of circular polaroid top has PET, and the PET upper surface is equipped with sclerosis antifouling membrane.
The ultra-thin glass layer is attached to the multilayer thin film packaging layer through the first optical adhesive layer, the circular polaroid is attached to the touch sensor layer through the second optical adhesive layer, and the PET is attached to the circular polaroid through the third optical adhesive layer.
Further, the thickness of the PI substrate is 10-20 micrometers, the thickness of the multilayer thin film packaging layer is 10-20 micrometers, the thickness of the first optical adhesive layer, the thickness of the second optical adhesive layer and the thickness of the third optical adhesive layer are all 30-60 micrometers, the thickness of the ultrathin glass layer is 30-100 micrometers, the thickness of the circular polarizer is 100-150 micrometers, and the thickness of the PET is 80-150 micrometers.
The first optical adhesive layer, the second optical adhesive layer and the third optical adhesive layer are OCR optical adhesive or OCA optical adhesive.
The utility model provides a structure of collapsible AMOLED display screen includes PI base plate, circuit drive layer, OLED layer from bottom to top in proper order, and OLED layer top is equipped with multilayer film packaging layer, the laminating of multilayer film packaging layer top has round polaroid, the laminating of round polaroid top has the ultra-thin glass layer, touch sensor layer has been plated to ultra-thin glass layer top, and the laminating of touch sensor layer top has PET, and the PET upper surface is equipped with the anti dirty membrane of sclerosis.
A method for manufacturing a foldable AMOLED display screen comprises the following steps,
s1: plating an LTPS-TFT circuit on a PI substrate to form a circuit driving layer, wherein the thickness of the PI substrate is 10-20 microns;
s2: evaporating and plating an OLED on the LTPS-TFT circuit to form an OLED layer;
s3: packaging the OLED by adopting a plurality of thin films to form a plurality of thin film packaging layers, wherein the thickness of the thin film packaging layers is 10-20 microns;
s4: adhering ultrathin glass on the multilayer film package by adopting optical cement to form an ultrathin glass layer, wherein the thickness of the optical cement is 30-60 microns, and the thickness of the ultrathin glass is 30-100 microns;
s5: plating a touch sensor on the upper surface of the ultrathin glass to form a touch sensor layer;
s6: adhering an optical adhesive to a circular polarizer on the upper surface of the touch sensor, wherein the thickness of the optical adhesive is 30-60 micrometers, and the thickness of the circular polarizer is 100-150 micrometers;
s7: adhering PET to the upper surface of the circular polarizer by adopting optical cement, wherein the thickness of the optical cement is 30-60 microns, and the thickness of the PET is 80-150 microns;
s8: and coating a hardened anti-fouling film on the upper surface of the PET.
A method for manufacturing a foldable AMOLED display screen comprises the following steps,
s1: plating an LTPS-TFT circuit on a PI substrate to form a circuit driving layer, wherein the thickness of the PI substrate is 10-20 microns;
s2: evaporating and plating an OLED on the LTPS-TFT circuit to form an OLED layer;
s3: packaging the OLED by adopting a plurality of thin films to form a plurality of thin film packaging layers, wherein the thickness of the thin film packaging layers is 10-20 microns;
s4: plating a touch sensor on the upper surface of the ultrathin glass to form a touch sensor layer;
s5: adhering ultrathin glass with a touch sensor on the multilayer thin film package by adopting optical cement, wherein the touch sensor layer is positioned above the touch sensor layer to form an ultrathin glass layer, the thickness of the optical cement is 30-60 micrometers, and the thickness of the ultrathin glass is 30-100 micrometers;
s6: adhering an optical adhesive to a circular polarizer on the upper surface of the touch sensor, wherein the thickness of the optical adhesive is 30-60 micrometers, and the thickness of the circular polarizer is 100-150 micrometers;
s7: adhering PET to the upper surface of the circular polarizer by adopting optical cement, wherein the thickness of the optical cement is 30-60 microns, and the thickness of the PET is 80-150 microns;
s8: and coating a hardened anti-fouling film on the upper surface of the PET.
A method for manufacturing a foldable AMOLED display screen comprises the following steps,
s1: plating an LTPS-TFT circuit on a PI substrate to form a circuit driving layer, wherein the thickness of the PI substrate is 10-20 microns;
s2: evaporating and plating an OLED on the LTPS-TFT circuit to form an OLED layer;
s3: packaging the OLED by adopting a plurality of thin films to form a plurality of thin film packaging layers, wherein the thickness of the thin film packaging layers is 10-20 microns;
s4: adhering a circular polarizer on the upper surface of the multilayer film package by adopting optical cement, wherein the thickness of the optical cement is 30-60 microns, and the thickness of the circular polarizer is 100-150 microns;
s5: adhering ultrathin glass on a circular polarizer by using optical cement to form an ultrathin glass layer, wherein the thickness of the optical cement is 30-60 microns, and the thickness of the ultrathin glass is 30-100 microns;
s6: plating a touch sensor on the upper surface of the ultrathin glass to form a touch sensor layer;
s7: adhering PET to the upper surface of the touch sensor by adopting optical cement, wherein the thickness of the optical cement is 30-60 micrometers, and the thickness of the PET is 80-150 micrometers;
s8: and coating a hardened anti-fouling film on the upper surface of the PET.
A method for manufacturing a foldable AMOLED display screen comprises the following steps,
s1: plating an LTPS-TFT circuit on a PI substrate to form a circuit driving layer, wherein the thickness of the PI substrate is 10-20 microns;
s2: evaporating and plating an OLED on the LTPS-TFT circuit to form an OLED layer;
s3: packaging the OLED by adopting a plurality of thin films to form a plurality of thin film packaging layers, wherein the thickness of the thin film packaging layers is 10-20 microns;
s4: adhering a circular polarizer on the upper surface of the multilayer film package by adopting optical cement, wherein the thickness of the optical cement is 30-60 microns, and the thickness of the circular polarizer is 100-150 microns;
s5: plating a touch sensor on the upper surface of the ultrathin glass to form a touch sensor layer;
s6: adhering ultrathin glass with a touch sensor layer on a circular polarizer by using optical cement, wherein the touch sensor layer is positioned above the circular polarizer to form the ultrathin glass layer, the thickness of the optical cement is 30-60 micrometers, and the thickness of the ultrathin glass is 30-100 micrometers;
s7: adhering PET to the upper surface of the touch sensor by adopting optical cement, wherein the thickness of the optical cement is 30-60 micrometers, and the thickness of the PET is 80-150 micrometers;
s8: and coating a hardened anti-fouling film on the upper surface of the PET.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention omits CPI and a hardening film, and uses the ultrathin glass to ensure that the whole folding recoverability of the flexible OLED is better without crease; compared with the second scheme in the prior art, the invention also omits a layer of PET; the flexible OLED display panel has excellent folding recoverability, does not leave creases, reduces the overall thickness of the flexible OLED display panel, can be as thin as about 350 micrometers at the thinnest, and enables the folding angle to be smaller and the folding effect to be better;
2. the OLED layer is better protected by the ultrathin glass, and the ultrathin glass is protected by the PET and the optical cement, so that the ultrathin glass is not easy to crack;
3. the touch sensor is arranged on the ultrathin glass and then attached to the flexible AMOLED, so that the yield is improved.
Drawings
Fig. 1 is a structure of a first folding OLED display panel in the prior art;
FIG. 2 is a second prior art structure of a foldable OLED display panel;
FIG. 3 is a schematic structural diagram according to a first embodiment of the present invention;
fig. 4 is a schematic structural diagram of a second embodiment of the present invention.
Reference numerals: 1. a PI substrate; 2. a circuit driving layer; 3. an OLED layer; 4. a multilayer thin film encapsulation layer; 5. a first optical adhesive layer; 6. an ultra-thin glass layer; 7. a touch sensor layer; 8. a second optical adhesive layer; 9. a circular polarizer; 10. a third optical adhesive layer; 11. PET; 12. hardening the anti-fouling film.
Detailed Description
In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate that the orientation and positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific 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, a definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention, "a number" or "a number" means two or more unless explicitly specified otherwise.
The first embodiment is as follows:
as shown in fig. 3, the structure of the foldable AMOLED display screen sequentially comprises a PI substrate 1, a circuit driving layer 2 and an OLED layer 3 from bottom to top, wherein a multilayer thin film packaging layer 4 is arranged above the OLED layer 3, an ultrathin glass layer 6 is attached to the upper side of the multilayer thin film packaging layer, a touch sensor layer 7 is plated on the upper side of the ultrathin glass layer 6, a circular polarizer 9 is attached to the upper side of the touch sensor layer 7, a PET11 is attached to the upper side of the circular polarizer, and a hardened antifouling film 12 is arranged on the upper surface of the PET 11.
In this embodiment, the circuit driving layer is a TFT made of LTPS, the OLED layer is an RGB _ OLED, and the TFT and the OLED form an AMOLED.
The preferred first optical adhesive layer 5, the second optical adhesive layer 8 and the third optical adhesive layer 10 that still include of this embodiment, laminate through first optical adhesive layer between ultrathin glass layer and the multilayer film packaging layer, laminate through the second optical adhesive layer between circular polaroid and the touch sensor layer, laminate through the third optical adhesive layer between PET and the circular polaroid.
The thickness of the PI substrate is 10-20 micrometers, the thickness of the multilayer thin film packaging layer is 10-20 micrometers, the thickness of each of the first optical adhesive layer, the second optical adhesive layer and the third optical adhesive layer is 30-60 micrometers, the thickness of the ultrathin glass layer is 30-100 micrometers, the thickness of the circular polarizer is 100-150 micrometers, and the thickness of the PET is 80-150 micrometers.
The first optical adhesive layer, the second optical adhesive layer and the third optical adhesive layer are OCR optical cement or OCA optical cement.
According to the invention, a plastic cover plate and a hardening film which can generate creases are omitted, the OLED is protected by taking the ultrathin glass as a protection structure, and meanwhile, the touch sensor is arranged on the ultrathin glass and then is attached to the flexible AMOLED, so that the yield is improved.
The method of the first embodiment comprises: a method for manufacturing a foldable AMOLED display screen comprises the following steps,
s1: plating an LTPS-TFT circuit on a PI substrate to form a circuit driving layer, wherein the thickness of the PI substrate is 10-20 microns;
s2: evaporating and plating an OLED on the LTPS-TFT circuit to form an OLED layer;
s3: packaging the OLED by adopting a plurality of thin films to form a plurality of thin film packaging layers, wherein the thickness of the thin film packaging layers is 10-20 microns;
s4: adhering ultrathin glass on the multilayer film package by adopting optical cement to form an ultrathin glass layer, wherein the thickness of the optical cement is 30-60 microns, and the thickness of the ultrathin glass is 30-100 microns;
s5: plating a touch sensor on the upper surface of the ultrathin glass to form a touch sensor layer;
s6: adhering an optical adhesive to a circular polarizer on the upper surface of the touch sensor, wherein the thickness of the optical adhesive is 30-60 micrometers, and the thickness of the circular polarizer is 100-150 micrometers;
s7: adhering PET to the upper surface of the circular polarizer by adopting optical cement, wherein the thickness of the optical cement is 30-60 microns, and the thickness of the PET is 80-150 microns;
s8: and coating a hardened anti-fouling film on the upper surface of the PET.
The method is one method, and the first embodiment can also be manufactured by a second method, which is different from the first method in that before the ultrathin glass is attached to the multilayer film package, the touch sensor is plated on the upper surface of the ultrathin glass to form the ultrathin glass with the touch sensor layer, then the ultrathin glass with the touch sensor is integrally attached to the surface of the multilayer film package through optical cement, and the rest steps are the same as the first method.
Example two:
as shown in fig. 4, the structure of the foldable AMOLED display screen sequentially comprises a PI substrate 1, a circuit driving layer 2 and an OLED layer 3 from bottom to top, wherein a multilayer thin film packaging layer 4 is arranged above the OLED layer 3, a circular polarizer 9 is attached to the upper side of the multilayer thin film packaging layer 4, an ultrathin glass layer 6 is attached to the upper side of the circular polarizer 9, a touch sensor layer 7 is plated on the ultrathin glass layer 6, a PET11 is attached to the upper side of the touch sensor layer 7, and a hardened stain-resistant film 12 is arranged on the upper surface of the PET.
In this embodiment, the first optical adhesive layer 5 is used for attaching the circular polarizer and the multilayer thin film encapsulation layer; the second optical adhesive layer 8 is used for attaching the circular polarizer and the ultrathin glass layer; the third optical adhesive layer 10 is used for attaching the PET and the touch sensor layer.
The method one of the second embodiment is manufactured: a method for manufacturing a foldable AMOLED display screen comprises the following steps,
s1: plating an LTPS-TFT circuit on a PI substrate to form a circuit driving layer, wherein the thickness of the PI substrate is 10-20 microns;
s2: evaporating and plating an OLED on the LTPS-TFT circuit to form an OLED layer;
s3: packaging the OLED by adopting a plurality of thin films to form a plurality of thin film packaging layers, wherein the thickness of the thin film packaging layers is 10-20 microns;
s4: adhering a circular polarizer on the upper surface of the multilayer film package by adopting optical cement, wherein the thickness of the optical cement is 30-60 microns, and the thickness of the circular polarizer is 100-150 microns;
s5: adhering ultrathin glass on a circular polarizer by using optical cement to form an ultrathin glass layer, wherein the thickness of the optical cement is 30-60 microns, and the thickness of the ultrathin glass is 30-100 microns;
s6: plating a touch sensor on the upper surface of the ultrathin glass to form a touch sensor layer;
s7: adhering PET to the upper surface of the touch sensor by adopting optical cement, wherein the thickness of the optical cement is 30-60 micrometers, and the thickness of the PET is 80-150 micrometers;
s8: and coating a hardened anti-fouling film on the upper surface of the PET.
The method is one method, and can also adopt a second method to manufacture the second embodiment, and is different from the first method in that before the ultrathin glass is attached to the circular polarizer, the touch sensor is plated on the upper surface of the ultrathin glass to form the ultrathin glass with the touch sensor layer, then the ultrathin glass with the touch sensor is integrally attached to the surface of the circular polarizer through optical cement, and the other steps are the same as the first method.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims (9)

1. The utility model provides a structure of collapsible AMOLED display screen includes PI base plate, circuit drive layer, OLED layer from bottom to top in proper order, and OLED layer top is equipped with multilayer film packaging layer, its characterized in that: the ultra-thin glass layer is attached to the upper portion of the multilayer thin film packaging layer, the touch sensor layer is plated on the upper portion of the ultra-thin glass layer, the circular polaroid is attached to the upper portion of the touch sensor layer, the PET is attached to the upper portion of the circular polaroid, and the hardening antifouling film is arranged on the upper surface of the PET.
2. The structure of the foldable AMOLED display screen of claim 1, wherein: the touch control film is characterized by further comprising a first optical adhesive layer, a second optical adhesive layer and a third optical adhesive layer, the ultrathin glass layer and the multilayer film packaging layer are attached through the first optical adhesive layer, the circular polarizer and the touch control sensor layer are attached through the second optical adhesive layer, and the PET and the circular polarizer are attached through the third optical adhesive layer.
3. The structure of the foldable AMOLED display screen of claim 2, wherein: the thickness of the PI substrate is 10-20 micrometers, the thickness of the multilayer thin film packaging layer is 10-20 micrometers, the thickness of each of the first optical adhesive layer, the second optical adhesive layer and the third optical adhesive layer is 30-60 micrometers, the thickness of the ultrathin glass layer is 30-100 micrometers, the thickness of the circular polarizer is 100-150 micrometers, and the thickness of the PET is 80-150 micrometers.
4. The structure of the foldable AMOLED display screen of claim 3, wherein: the first optical adhesive layer, the second optical adhesive layer and the third optical adhesive layer are OCR optical cement or OCA optical cement.
5. The utility model provides a structure of collapsible AMOLED display screen includes PI base plate, circuit drive layer, OLED layer from bottom to top in proper order, and OLED layer top is equipped with multilayer film packaging layer, its characterized in that: the utility model discloses a touch-control film, including multilayer film encapsulation layer, circle polaroid, touch-control sensor layer, PET, the upper surface of PET is equipped with the sclerosis anti-stain membrane.
6. A method of fabricating the foldable AMOLED display screen according to claim 1, comprising the steps of,
s1: plating an LTPS-TFT circuit on a PI substrate to form a circuit driving layer, wherein the thickness of the PI substrate is 10-20 microns;
s2: evaporating and plating an OLED on the LTPS-TFT circuit to form an OLED layer;
s3: packaging the OLED by adopting a plurality of thin films to form a plurality of thin film packaging layers, wherein the thickness of the thin film packaging layers is 10-20 microns;
s4: adhering ultrathin glass on the multilayer film package by adopting optical cement to form an ultrathin glass layer, wherein the thickness of the optical cement is 30-60 microns, and the thickness of the ultrathin glass is 30-100 microns;
s5: plating a touch sensor on the upper surface of the ultrathin glass to form a touch sensor layer;
s6: adhering an optical adhesive to a circular polarizer on the upper surface of the touch sensor, wherein the thickness of the optical adhesive is 30-60 micrometers, and the thickness of the circular polarizer is 100-150 micrometers;
s7: adhering PET to the upper surface of the circular polarizer by adopting optical cement, wherein the thickness of the optical cement is 30-60 microns, and the thickness of the PET is 80-150 microns;
s8: and coating a hardened anti-fouling film on the upper surface of the PET.
7. A method of fabricating the foldable AMOLED display screen according to claim 1, comprising the steps of,
s1: plating an LTPS-TFT circuit on a PI substrate to form a circuit driving layer, wherein the thickness of the PI substrate is 10-20 microns;
s2: evaporating and plating an OLED on the LTPS-TFT circuit to form an OLED layer;
s3: packaging the OLED by adopting a plurality of thin films to form a plurality of thin film packaging layers, wherein the thickness of the thin film packaging layers is 10-20 microns;
s4: plating a touch sensor on the upper surface of the ultrathin glass to form a touch sensor layer;
s5: adhering ultrathin glass with a touch sensor on the multilayer thin film package by adopting optical cement, wherein the touch sensor layer is positioned above the touch sensor layer to form an ultrathin glass layer, the thickness of the optical cement is 30-60 micrometers, and the thickness of the ultrathin glass is 30-100 micrometers;
s6: adhering an optical adhesive to a circular polarizer on the upper surface of the touch sensor, wherein the thickness of the optical adhesive is 30-60 micrometers, and the thickness of the circular polarizer is 100-150 micrometers;
s7: adhering PET to the upper surface of the circular polarizer by adopting optical cement, wherein the thickness of the optical cement is 30-60 microns, and the thickness of the PET is 80-150 microns;
s8: and coating a hardened anti-fouling film on the upper surface of the PET.
8. A method of fabricating the foldable AMOLED display screen according to claim 5, comprising the steps of,
s1: plating an LTPS-TFT circuit on a PI substrate to form a circuit driving layer, wherein the thickness of the PI substrate is 10-20 microns;
s2: evaporating and plating an OLED on the LTPS-TFT circuit to form an OLED layer;
s3: packaging the OLED by adopting a plurality of thin films to form a plurality of thin film packaging layers, wherein the thickness of the thin film packaging layers is 10-20 microns;
s4: adhering a circular polarizer on the upper surface of the multilayer film package by adopting optical cement, wherein the thickness of the optical cement is 30-60 microns, and the thickness of the circular polarizer is 100-150 microns;
s5: adhering ultrathin glass on a circular polarizer by using optical cement to form an ultrathin glass layer, wherein the thickness of the optical cement is 30-60 microns, and the thickness of the ultrathin glass is 30-100 microns;
s6: plating a touch sensor on the upper surface of the ultrathin glass to form a touch sensor layer;
s7: adhering PET to the upper surface of the touch sensor by adopting optical cement, wherein the thickness of the optical cement is 30-60 micrometers, and the thickness of the PET is 80-150 micrometers;
s8: and coating a hardened anti-fouling film on the upper surface of the PET.
9. A method of fabricating the foldable AMOLED display screen according to claim 5, comprising the steps of,
s1: plating an LTPS-TFT circuit on a PI substrate to form a circuit driving layer, wherein the thickness of the PI substrate is 10-20 microns;
s2: evaporating and plating an OLED on the LTPS-TFT circuit to form an OLED layer;
s3: packaging the OLED by adopting a plurality of thin films to form a plurality of thin film packaging layers, wherein the thickness of the thin film packaging layers is 10-20 microns;
s4: adhering a circular polarizer on the upper surface of the multilayer film package by adopting optical cement, wherein the thickness of the optical cement is 30-60 microns, and the thickness of the circular polarizer is 100-150 microns;
s5: plating a touch sensor on the upper surface of the ultrathin glass to form a touch sensor layer;
s6: adhering ultrathin glass with a touch sensor layer on a circular polarizer by using optical cement, wherein the touch sensor layer is positioned above the circular polarizer to form the ultrathin glass layer, the thickness of the optical cement is 30-60 micrometers, and the thickness of the ultrathin glass is 30-100 micrometers;
s7: adhering PET to the upper surface of the touch sensor by adopting optical cement, wherein the thickness of the optical cement is 30-60 micrometers, and the thickness of the PET is 80-150 micrometers;
s8: and coating a hardened anti-fouling film on the upper surface of the PET.
CN202010098015.1A 2020-02-18 2020-02-18 Structure and manufacturing method of foldable AMOLED display screen Pending CN111176490A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202010098015.1A CN111176490A (en) 2020-02-18 2020-02-18 Structure and manufacturing method of foldable AMOLED display screen
PCT/CN2020/098491 WO2021164169A1 (en) 2020-02-18 2020-06-28 Foldable amoled display screen structure and manufacturing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010098015.1A CN111176490A (en) 2020-02-18 2020-02-18 Structure and manufacturing method of foldable AMOLED display screen

Publications (1)

Publication Number Publication Date
CN111176490A true CN111176490A (en) 2020-05-19

Family

ID=70649691

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010098015.1A Pending CN111176490A (en) 2020-02-18 2020-02-18 Structure and manufacturing method of foldable AMOLED display screen

Country Status (2)

Country Link
CN (1) CN111176490A (en)
WO (1) WO2021164169A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111625142A (en) * 2020-05-26 2020-09-04 业成科技（成都）有限公司 Protection cover plate, touch control assembly, display screen and electronic equipment
CN111816068A (en) * 2020-07-01 2020-10-23 武汉华星光电半导体显示技术有限公司 Foldable display screen and display device
WO2021164169A1 (en) * 2020-02-18 2021-08-26 恩利克（浙江）智能装备有限公司 Foldable amoled display screen structure and manufacturing method
WO2021168929A1 (en) * 2020-02-25 2021-09-02 武汉华星光电半导体显示技术有限公司 Display apparatus

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114419992A (en) * 2022-01-14 2022-04-29 深圳市华科创智技术有限公司 Capacitive screen interactive blackboard
CN115124929B (en) * 2022-08-30 2023-07-07 武汉天马微电子有限公司 Optical transparent adhesive tape and manufacturing method thereof
CN115567835B (en) * 2022-10-17 2024-02-02 苏州清听声学科技有限公司 Foldable directional sounding device, display device and preparation process

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7381596B2 (en) * 2005-09-26 2008-06-03 Chunghwa Picture Tubes, Ltd. Method of manufacturing an AMOLED
CN105334994A (en) * 2014-08-06 2016-02-17 上海和辉光电有限公司 OLED touch display panel
CN107359267B (en) * 2017-06-02 2019-03-08 合肥市惠科精密模具有限公司 A kind of AMOLED waterproof encapsulation structure
CN107765921B (en) * 2017-10-31 2021-06-11 云谷（固安）科技有限公司 Flexible substrate and manufacturing method thereof
CN111176490A (en) * 2020-02-18 2020-05-19 恩利克（浙江）智能装备有限公司 Structure and manufacturing method of foldable AMOLED display screen

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021164169A1 (en) * 2020-02-18 2021-08-26 恩利克（浙江）智能装备有限公司 Foldable amoled display screen structure and manufacturing method
WO2021168929A1 (en) * 2020-02-25 2021-09-02 武汉华星光电半导体显示技术有限公司 Display apparatus
CN111625142A (en) * 2020-05-26 2020-09-04 业成科技（成都）有限公司 Protection cover plate, touch control assembly, display screen and electronic equipment
CN111816068A (en) * 2020-07-01 2020-10-23 武汉华星光电半导体显示技术有限公司 Foldable display screen and display device

Also Published As

Publication number Publication date
WO2021164169A1 (en) 2021-08-26

Similar Documents

Publication Publication Date Title
CN111176490A (en) Structure and manufacturing method of foldable AMOLED display screen
US20220271257A1 (en) Display device
CN109065579B (en) Display panel, preparation method thereof and electronic equipment
CN205609529U (en) Compound encapsulating film and flexible display
US20120064278A1 (en) Package of environmental sensitive element and encapsulation method thereof
WO2020001381A1 (en) Display panel, manufacturing method therefor, and mobile terminal
TW201448314A (en) Display apparatus having improved bending properties and method of manufacturing same
CN108400145B (en) Flexible display, manufacturing method thereof and electronic equipment
US10649597B2 (en) Display apparatus
CN102629015A (en) Flexible display device and manufacturing method thereof
US11404495B2 (en) OLED display panel, fabrication method thereof and OLED display device
WO2022062765A1 (en) Display module stacking structure and display device
CN113035059B (en) Display module
CN110634399B (en) Flexible cover plate, flexible display device and manufacturing method of flexible cover plate
CN111443829A (en) Structure and manufacturing method of explosion-proof foldable AMO L ED display screen
CN109830182A (en) Flexible display
CN109671744A (en) A kind of organic electroluminescent display panel, its manufacturing method and display device
JP2011192564A (en) Electro-optical device and lighting system
CN202601095U (en) Flexible display device
CN212061127U (en) Structure of explosion-proof collapsible AMOLED display screen
CN211087197U (en) Structure of foldable AMO L ED display screen
CN217847960U (en) Display device
CN105493008A (en) Capacitive touch panel
US20180062093A1 (en) Flexible display device
US20220261102A1 (en) Touch module, preparation method therefor, and display device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination