CN107507846A - A kind of OLED display and its processing procedure - Google Patents
A kind of OLED display and its processing procedure Download PDFInfo
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- CN107507846A CN107507846A CN201710610357.5A CN201710610357A CN107507846A CN 107507846 A CN107507846 A CN 107507846A CN 201710610357 A CN201710610357 A CN 201710610357A CN 107507846 A CN107507846 A CN 107507846A
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- 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
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/84—Passivation; Containers; Encapsulations
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/844—Encapsulations
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- 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
- H10K59/1201—Manufacture or treatment
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
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Abstract
The invention provides a kind of OLED display and its processing procedure.The OLED display includes substrate layer, OLED luminescent layers, encapsulated layer, touch screen and cover plate, and the cover plate includes first area, the second area for being arranged on the first area both sides and separation and the 3rd region；The second area and the 3rd region include two layers of first organic layers, one or more layers first water blocking layer being arranged between two layers of first organic layers, and one layer of the 3rd organic layer is provided between adjacent first water blocking layer；The first area includes two layers of first organic layers, the second organic layer being arranged between two layers of first organic layers；The cover plate outer surface includes layer protective layer, and the hardness of the protective layer is more than the hardness of the first organic layer.The bendable folding endurance of cover plate is realized, while improves the block-water performance of display.
Description
【Technical field】
The present invention relates to display technology field, more particularly to a kind of OLED display and its processing procedure.
【Background technology】
Existing display mainly includes liquid crystal (Liquid Crystal Display, LCD) display and OLED
(Organic Light Emitting Diode, OLED) display.Wherein, OLED display has self-luminous, driving voltage
It is low, luminous efficiency is high, the response time is short, definition and contrast are high, nearly 180 ° of visual angles, use temperature ranges are wide, can be achieved it is soft
Property show with large area total colouring many advantages, such as, it is the display for most having development potentiality to be known as by industry.
Traditional display cover plate materials are mostly nonbreakable glass or resin (such as PMMA), plus functional layer, such as hardened layer.Its
In, hardened layer can be inorganic material, such as SiO2.Glass display cover plate is not bent, does not meet collapsible display part
Development trend, and resin water preventing ability is bad, steam easily penetrates cover plate and entered in device, ultimately results in OLED and produces stain mistake
Effect.
【The content of the invention】
It is an object of the present invention to provide a kind of OLED display, its cover plate can coordinate display panel to bend, and
And also there is block-water performance.
It is another object of the present invention to provide a kind of OLED display processing procedure, its cover plate can coordinate display panel curved
Folding, but also there is block-water performance.To solve the above problems, the preferred embodiments of the present invention provide a kind of OLED display,
Including：
One substrate layer；
One OLED luminescent layers, are formed on the substrate layer, for lighting；
One encapsulated layer, formed on the oled layer, for encapsulating OLED luminescent layers；
One touch screen, formed on the encapsulated layer, for gathering touch information；And
One cover plate, formed on the touch screen, the cover plate includes first area, is arranged on the first area both sides
And second area and the 3rd region of separation；The second area and the 3rd region include two layers of first organic layers, are arranged on institute
State one or more layers first water blocking layer between two layers of first organic layers, and one layer the is provided between adjacent first water blocking layer
Three organic layers；The first area includes two layers of first organic layers, second having of being arranged between two layers of first organic layers
Machine layer；The cover plate outer surface includes layer protective layer, and the hardness of the protective layer is more than the hardness of the first organic layer.
In the OLED display of the preferred embodiment of the present invention, the first area also include being arranged on two layers it is first organic
One layer of second water blocking layer between layer, the thickness of second water blocking layer are less than the thickness of the first water blocking layer.
In the OLED display of the preferred embodiment of the present invention, the OLED display also includes：
One polaroid, is arranged between touch screen and encapsulated layer, or is arranged between touch screen and cover plate.
To solve the above problems, the preferred embodiments of the present invention additionally provide a kind of processing procedure of OLED display, it is described
The processing procedure of OLED display comprises the following steps：
One substrate layer is provided；
An OLED luminescent layers are formed on the substrate layer, for lighting；
An encapsulated layer is formed on the OLED luminescent layers, for encapsulating OLED luminescent layers；
A touch screen is formed on the encapsulated layer, for gathering touch information；
A cover plate, including step are formed on the touch screen：
Form one layer of first organic layer；
First organic layer is divided into first area, second area and the 3rd region, wherein the second area and
Three regions are arranged on the first area both sides and separation；
One or more layers the first water blocking layer is formed on the second area and the 3rd region, and adjacent described first
One layer of the 3rd organic layer is provided between water blocking layer；
The second organic layer is formed on the first area；
One layer of first organic layer is formed on the water blocking layer and the second organic layer；
Protective layer is formed on the first organic layer on the water blocking layer, the hardness of the protective layer is organic more than first
Layer.
In the processing procedure of the OLED display of the preferred embodiment of the present invention, the formation second on the first area has
Machine layer includes；
The second water blocking layer is formed on the first area, second water blocking layer, which is arranged on the first organic layer and second, to be had
Between machine layer, the thickness of second water blocking layer is less than the first water blocking layer.
In the processing procedure of the OLED display of the preferred embodiment of the present invention, the formation second on the first area has
Machine layer includes；
One layer of first water blocking layer is set on first area, second area and the 3rd region simultaneously；
The first water blocking layer on first area is handled, make first block water thinner layer thickness formed the second water blocking layer.
In the processing procedure of the OLED display of the preferred embodiment of the present invention, the formation second on the first area has
Machine layer includes；
The upper surface of the second organic layer in first area is set, less than second area and first water blocking layer in the 3rd region
Upper surface；
The second water blocking layer is formed on the second organic layer, and makes the second water blocking layer both sides and second area and the 3rd area
The first water blocking layer connection in domain.
In the processing procedure of the OLED display of the preferred embodiment of the present invention, first water blocking layer passes through plasma enhancing
Chemical vapour deposition technique or atomic layer deposition method deposit to be formed.
In the processing procedure of the OLED display of the preferred embodiment of the present invention, first organic layer and/or the second organic layer
Deposit to be formed by ink-jet printing process.
In the processing procedure of the OLED display of the preferred embodiment of the present invention, first water blocking layer is by fine and close water white transparency
Ceramic material be made.
Relative to prior art, the beneficial effects of the invention are as follows：The present invention by sequentially forming OLED hairs on the substrate layer
Photosphere, encapsulated layer, touch screen and cover plate, its cover plate include three regions：First area, and by first area it is separated second
Region and the 3rd region, wherein second area and the 3rd region all include two layers of first organic layers and two layers first organic layers it
Between also include at least one layer of first water blocking layer, and one layer of the 3rd organic layer is provided between the first adjacent water blocking layer.Firstth area
Domain also includes the second organic layer between two layers of first organic layers, in addition to two layers of first organic layers.The first area of cover plate
The material of organic layer can be the resin of water white transparency, can be colorless polyimide (PI), polyurethane (PU), poly- terephthaldehyde
Sour glycol ester (PET), PEN (PEN) etc., all with certain flexibility, can bend, second area
Include the first water blocking layer with the 3rd region, the first water blocking layer can be that inorganic material is formed, and can be fine and close water white transparency
Ceramic material, such as SiO2, SiN, SiON, Al2O3, there is preferable water preventing ability, prevent steam from penetrating cover plate and enter in device,
Protection OLED, which will not produce stain, to be caused to fail.First area can be arranged on centre, and second area and the 3rd region are symmetrical
Both sides are arranged on, the bending of cover plate can be realized by first area, meet the development trend of collapsible display part, the firstth area
The area in domain is less than second area and the area in the 3rd region, and cover plate is realized on the basis of the block-water performance of large area is ensured
It is bent.
In addition, outer surface includes layer protective layer, the hardness of protective layer is more than the hardness of the first organic layer, and protective layer can be with
It is inorganic material, such as SiO2, plays the first organic layer of protection and be not scratched, and then cause the reduction of display effect.Protective layer
The ratio that can do of thick bottom it is relatively thin, do not interfere with the overall bending of cover plate so.Can certainly be only in corresponding first area
Part inorganic material is done thin, and being subsequently filled organic material makes integral thickness consistent.
And two layers of first organic layers of cover plate contact with hardened layer and touch-screen respectively, it is ensured that their connection
Tight type, it is not easy to occur inorganic layer separated with miscellaneous part, warpage the problems such as.
For the above of the present invention can be become apparent, preferred embodiment cited below particularly, and coordinate institute's accompanying drawings, make
Describe in detail as follows：
【Brief description of the drawings】
Fig. 1 is the structural representation of traditional example cover plate；
Fig. 2 is the structural representation of OLED display of the embodiment of the present invention；
Fig. 3 is the structural representation of cover plate of the embodiment of the present invention；
Fig. 4 is another structural representation of cover plate of the embodiment of the present invention；
Fig. 5 is the another structural representation of cover plate of the embodiment of the present invention；
Fig. 6 is another structural representation of OLED display of the embodiment of the present invention；
Fig. 7 is the schematic flow sheet of OLED display processing procedure of the embodiment of the present invention.
【Embodiment】
Concrete structure and function detail disclosed herein are only representational, and are for describing showing for the present invention
The purpose of example property embodiment.But the present invention can be implemented by many alternative forms, and it is not interpreted as
It is limited only by the embodiments set forth herein.
In the description of the invention, it is to be understood that term " " center ", " transverse direction ", " on ", " under ", "left", "right",
The orientation or position relationship of the instruction such as " vertical ", " level ", " top ", " bottom ", " interior ", " outer " be based on orientation shown in the drawings or
Position relationship, it is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, art
Language " first ", " second " are only used for describing purpose, and it is not intended that instruction or implying relative importance or implicit indicating institute
The quantity of the technical characteristic of instruction.Thus, " first " is defined, one can be expressed or be implicitly included to the feature of " second "
Or more this feature.In the description of the invention, unless otherwise indicated, " multiple " are meant that two or more.
In addition, term " comprising " and its any deformation, it is intended that cover non-exclusive include.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
Term used herein above is not intended to limit exemplary embodiment just for the sake of description specific embodiment.Unless
Context clearly refers else, otherwise singulative used herein above "one", " one " also attempt to include plural number.Should also
When understanding, term " comprising " and/or "comprising" used herein above provide stated feature, integer, step, operation,
The presence of unit and/or component, and do not preclude the presence or addition of other one or more features, integer, step, operation, unit,
Component and/or its combination.
In figure, the similar unit of structure is represented with identical label.
A kind of OLED display of the embodiment of the present invention and its processing procedure are described below with reference to Fig. 1 to Fig. 7.
According to embodiments of the present invention, as shown in Figures 1 to 7, Fig. 1 is the structural representation of traditional example cover plate；Fig. 2 is this
The structural representation of inventive embodiments OLED display, the part-structure of OLED display is illustrate only in Fig. 2；Fig. 3 is this hair
The structural representation of bright embodiment cover plate, Fig. 2 are the cross section structure that cover plate of the embodiment of the present invention only has one layer of first water blocking layer；Figure
4 be another structural representation of cover plate of the embodiment of the present invention, and Fig. 4 is that cover plate of the embodiment of the present invention has cutting for the water blocking layer of multilayer first
Face structure；Fig. 5 is the another structural representation of cover plate of the embodiment of the present invention, and Fig. 5 is that cover plate of embodiment of the present invention first area has
The structural representation of second water blocking layer；Fig. 6 is another structural representation of OLED display of the embodiment of the present invention, is only shown in Fig. 6
The part-structure of OLED display is gone out；Fig. 7 is the schematic flow sheet of OLED display processing procedure of the embodiment of the present invention.
As shown in Figures 2 to 4, the embodiment of the invention discloses a kind of OLED display, the OLED display to include base
Flaggy 110, OLED luminescent layers 120, encapsulated layer 130, touch screen 140 and cover plate 150.
Wherein, substrate layer 110 can be low temperature polycrystalline silicon (LTPS, low temperature poly-silicon) substrate
Layer.OLED luminescent layers 120 are formed on the substrate layer 110, for lighting.Encapsulated layer 130 is formed in the oled layer 120
On, for encapsulating OLED luminescent layers 120.Touch screen 140 is formed on the encapsulated layer 130, for gathering touch information.
Cover plate 150 is formed on the touch screen 140, and the cover plate 150 includes first area 151, is arranged on described the
The both sides of one region 151 and the region 153 of second area 152 and the 3rd of separation；Wrap in the region 153 of second area 152 and the 3rd
Two layers of first organic layers 154, one or more layers first water blocking layer 155 being arranged between two layers of first organic layers 154 are included,
And one layer of the 3rd organic layer 156 is provided between adjacent first water blocking layer 155；The first area 151 includes two layers first
Organic layer 154, the second organic layer 157 being arranged between two layers of first organic layers 154；The appearance bread of cover plate 150
Layer protective layer 160 is included, the hardness of the protective layer 160 is more than the hardness of the first organic layer 154.
The present embodiment on substrate layer 110 by sequentially forming OLED luminescent layers 120, encapsulated layer 130, the and of touch screen 140
Cover plate 150, its cover plate 150 include three regions：First area 151, and the second area 152 separated by first area 151
With the 3rd region 153, the wherein region 153 of second area 152 and the 3rd all includes two layers of first organic layers 154 and two layers first
Also include at least one layer of first water blocking layer 155 between organic layer 154, and one layer the 3rd is provided between the first adjacent water blocking layer
Organic layer 156.First area 151 also includes the between two layers of first organic layers 154, in addition to two layers of first organic layers 154
Two organic layers 157.First organic layer 154 of the first area 151 of cover plate 150 and the material of the second organic layer 157 can be nothings
The transparent resin of color, can be colorless polyimide (PI), polyurethane (PU), polyethylene terephthalate (PET), poly- naphthalene
Naphthalate (PEN) etc., all with certain flexibility, it can bend, the region 153 of second area 152 and the 3rd includes
First water blocking layer 155, the first water blocking layer 155 can be that inorganic material is formed, and can be the ceramic material of fine and close water white transparency,
Such as SiO2, SiN, SiON, Al2O3, there is preferable water preventing ability, prevent steam from penetrating cover plate and enter in device, protect OLED
Stain, which will not be produced, to be caused to fail.First area 151 can be arranged on centre, and the region 153 of second area 152 and the 3rd is symmetrical
Both sides are arranged on, the bending of cover plate can be realized by first area 151, meet the development trend of collapsible display part, the
The area in one region 151 is less than the area in the region 153 of second area 152 and the 3rd, in the base for the block-water performance for ensureing large area
The bent of cover plate is realized on plinth.Cover plate 150 can coordinate display device to bend, or even doubling.Contrast tradition as shown in Figure 1
The cover plate of design, conventional cover plate, which includes one layer of glass 310 and one layer of hardened layer 320, glass, can not realize bending.
In addition, the outer surface of cover plate 150 includes layer protective layer 160, the hardness of protective layer 160 is more than the first organic layer 154
Hardness, protective layer 160 can be inorganic material, such as SiO2, play the first organic layer 154 of protection and be not scratched, and then lead
Cause the reduction of display effect.The ratio that the thick bottom of protective layer 160 can be done is relatively thin, does not interfere with the overall bending of cover plate 150 so
Property.It only can certainly be done in the corresponding part inorganic material of first area 151 thin, being subsequently filled organic material makes integral thickness one
Cause.
And two layers of first organic layers 154 of cover plate 150 contact with protective layer 160 and touch-screen 140 respectively, Ke Yibao
That demonstrate,proves them is completely embedded type, it is not easy to occur inorganic layer separated with miscellaneous part, warpage the problems such as.
The cover plate is divided into plane area and bent area, i.e. first area is bent area, and second area and the 3rd region are plane
Area, it is not bent.On the cross section structure of cover plate, plane area is alternately made up of multilayer organic layer and inorganic layer, and organic layer is present
In all plane areas and bent area, inorganic layer exists only in plane area, is not present in bent area.In the upper table of covering plate structure
Face, there is one layer to be covered in plane area and the protective layer of bent area.Wherein, the material of organic layer is mainly the resin of water white transparency,
Can be colorless polyimide (PI), polyurethane (PU), polyethylene terephthalate (PET), poly- naphthalenedicarboxylic acid ethylene glycol
Ester (PEN).Inorganic layer is the ceramic material of fine and close water white transparency, such as SiO2, SiN, SiON, Al2O3 etc..Organic layer can make
Deposited with ink-jet printing process, inorganic layer can use PECVD or atomic layer deposition method (ALD) to deposit.Inorganic layer is because being fine and close pottery
Ceramic material, there is preferable water preventing ability, be water stop function layer, organic layer has preferably flexibility, is bending function layer.
Further, as shown in figure 5, first area 151 also includes one layer be arranged between two layers of first organic layers 154
Second water blocking layer 158, the thickness of second water blocking layer 158 are less than the thickness of the first water blocking layer 155.
One layer can be also provided with first area 151 and also realizes resistance than the second relatively thin water blocking layer 158, first area 151
Water effect, the overall block-water performance of lifting cover plate.Second water blocking layer 158 can use the material as the first water blocking layer 155
And technique.Second water blocking layer 158 can be set along with the first water blocking layer 155, then correspond to the first of the part of first area 151
Water blocking layer 155 handles the second water blocking layer 158 of thinning formation.Can also be on the first organic layer 154 or the second organic layer 157 individually
Form the second water blocking layer 158.
Further, as shown in fig. 6, OLED display can also set a strata acid imide below substrate layer 110
(PI, Polyimide) alignment film 170.OLED display can also include polaroid 180, and the polaroid 180 can be arranged on tactile
Between control screen and encapsulated layer, it can also be arranged between touch screen and cover plate.Polaroid 180 improves the display effect of OLED display
Fruit.Together with polaroid 180 can also be cooked with other layers.
As shown in fig. 7, the embodiment of the invention also discloses a kind of processing procedure of OLED display, the processing procedure of the OLED display
Comprise the following steps：
S110：One substrate layer is provided.
Wherein, substrate layer can be low temperature polycrystalline silicon (LTPS, low temperature poly-silicon).
S120：An OLED luminescent layers are formed on the substrate layer, for lighting.
S130：An encapsulated layer is formed on the OLED luminescent layers, for encapsulating OLED luminescent layers.
S140：A touch screen is formed on the encapsulated layer, for gathering touch information.
S150：A cover plate, including step are formed on the touch screen：
S151：Form one layer of first organic layer.
Wherein, the material of the first organic layer can be the resin or colorless polyimide (PI) of water white transparency, gather
Urethane (PU), polyethylene terephthalate (PET), PEN (PEN).
S152：First organic layer is divided into first area, second area and the 3rd region, wherein the second area
The first area both sides and separation are arranged on the 3rd region.Second area and the 3rd region are separated by first area.
S153：One or more layers the first water blocking layer is formed on the second area and the 3rd region, and in adjacent institute
State and be provided with one layer of the 3rd organic layer between the first water blocking layer.
Wherein, water blocking layer can be the ceramic material of fine and close water white transparency, such as SiO2, SiN, SiON, Al2O3 etc., have
There is preferable water preventing ability.Wherein, the material of the 3rd organic layer can be the resin or colorless polyimide of water white transparency
(PI), polyurethane (PU), polyethylene terephthalate (PET), PEN (PEN).
S154：The second organic layer is formed on the first area.
Wherein, the material of the second organic layer can be the resin or colorless polyimide (PI) of water white transparency, gather
Urethane (PU), polyethylene terephthalate (PET), PEN (PEN).One flood can be first set
First water blocking layer, the part for then corresponding to first area are removed, and then refill the second organic layer.
S155：One layer of first organic layer is formed on the water blocking layer and the second organic layer.
S156：Protective layer is formed on the first organic layer on the water blocking layer, the hardness of the protective layer is more than first
Organic layer.
Wherein, protective layer can be inorganic material, such as SiO2.
With reference to Fig. 3 to Fig. 5, wherein, the second organic layer 157 is formed on the first area 151 to be included；
The second water blocking layer 158 is formed on the first area 151, it is organic that second water blocking layer 158 is arranged on first
Between the organic layer 157 of layer 154 and second, the thickness of second water blocking layer 158 is less than the thickness of the first water blocking layer 155.
One layer can be also provided with first area 151 and also realizes resistance than the second relatively thin water blocking layer 158, first area 151
Water effect, the overall block-water performance of lifting cover plate.Second water blocking layer 158 can use the material as the first water blocking layer 155
And technique.
Specifically, one layer of first water blocking layer is set on first area 151, the region 153 of second area 152 and the 3rd simultaneously
155；
The first water blocking layer 155 on first area 151 is handled, makes the thickness of the first water blocking layer 155 is thinning to form the
Two water blocking layers 158.
Extra equipment is not needed, technique is simple, convenient operation.Second water blocking layer 158 is connected with the first water blocking layer 155,
A complete water blocking layer can be so formed, improves block-water performance.Second water blocking layer 158 can only set one layer, can also
Multilayer is set, can also be set according to the quantity of the first water blocking layer 155.
It is also possible that the upper surface of 151 the second organic layer 157 in first area is set, less than second area 152 and the 3rd
The upper surface of first water blocking layer 155 in region 153；
The second water blocking layer 158 is formed on the second organic layer 157, and makes the both sides of the second water blocking layer 158 and the secondth area
First water blocking layer 155 in the region 153 of domain 152 and the 3rd connects.
Second water blocking layer 158 blocks water with first and 155 is connected, and can so form a complete water blocking layer, raising blocks water
Performance.Second water blocking layer 158 can only set one layer, can also set multilayer, can also be according to the quantity of the first water blocking layer 155
Set.
The present embodiment by sequentially forming OLED luminescent layers, encapsulated layer, touch screen and cover plate on the substrate layer, its cover plate
Including three regions：First area, and by the separated second area in first area and the 3rd region, wherein second area and the 3rd
Region all includes also including at least one layer of first water blocking layer between two layers of first organic layers and two layers of first organic layers, and phase
One layer of the 3rd organic layer is provided between the first adjacent water blocking layer.First area also includes two layers of first organic layers, in addition to two layers
The second organic layer between first organic layer.The material of the organic layer of the first area of cover plate can be the resin of water white transparency,
Can be colorless polyimide (PI), polyurethane (PU), polyethylene terephthalate (PET), poly- naphthalenedicarboxylic acid ethylene glycol
Ester (PEN) etc., all with certain flexibility, it can bend, second area and the 3rd region include the first water blocking layer, and first blocks water
Layer can be that inorganic material is formed, and can be the ceramic material of fine and close water white transparency, such as SiO2, SiN, SiON, Al2O3,
With preferable water preventing ability, prevent steam from penetrating cover plate and enter in device, protection OLED, which will not produce stain, to be caused to fail.First
Region can be arranged on centre, and second area and the 3rd region are symmetrically arranged on both sides, can be realized and covered by first area
The bending of plate, meets the development trend of collapsible display part, and the area of first area is less than second area and the 3rd region
Area, the bent of cover plate is realized on the basis of the block-water performance of large area is ensured.Cover plate 150 can coordinate display device curved
Folding, or even doubling.
In addition, outer surface includes layer protective layer, the hardness of protective layer is more than the hardness of the first organic layer, and protective layer can be with
It is inorganic material, such as SiO2, plays the first organic layer of protection and be not scratched, and then cause the reduction of display effect.Protective layer
The ratio that can do of thick bottom it is relatively thin, do not interfere with the overall bending of cover plate so.Can certainly be only in corresponding first area
Part inorganic material is done thin, and being subsequently filled organic material makes integral thickness consistent.
And two layers of first organic layers of cover plate contact with hardened layer and touch-screen respectively, it is ensured that their connection
Tight type, it is not easy to occur inorganic layer separated with miscellaneous part, warpage the problems such as.
In above-described embodiment, the first water blocking layer and/or the second water blocking layer can be sunk by PECVD
Area method (PECVD, Plasma Enhanced Chemical Vapor Deposition) or atomic layer deposition method deposit to be formed.
In above-described embodiment, the first organic layer and/or the second organic layer can deposit to be formed by ink-jet printing process.
Although the present invention is disclosed above with preferred embodiment, above preferred embodiment is simultaneously not used to the limitation present invention,
One of ordinary skill in the art, without departing from the spirit and scope of the present invention, it can make various changes and retouching, therefore this
The protection domain of invention is defined by the scope that claim defines.
Claims (10)
- A kind of 1. OLED display, it is characterised in that including：One substrate layer；One OLED luminescent layers, are formed on the substrate layer, for lighting；One encapsulated layer, formed on the oled layer, for encapsulating OLED luminescent layers；One touch screen, formed on the encapsulated layer, for gathering touch information；AndOne cover plate, formed on the touch screen, the cover plate includes first area, is arranged on the first area both sides and divides From second area and the 3rd region；The second area and the 3rd region include two layers of first organic layers, are arranged on described two One or more layers first water blocking layer between the first organic layer of layer, and have between adjacent first water blocking layer provided with one layer the 3rd Machine layer；The first area includes two layers of first organic layers, the second organic layer being arranged between two layers of first organic layers； The cover plate outer surface includes layer protective layer, and the hardness of the protective layer is more than the hardness of the first organic layer.
- 2. OLED display according to claim 1, it is characterised in that the first area also includes being arranged on two layers the One layer of second water blocking layer between one organic layer, the thickness of second water blocking layer are less than the thickness of the first water blocking layer.
- 3. OLED display according to claim 1, it is characterised in that the OLED display also includes：One polaroid, is arranged between touch screen and encapsulated layer, or is arranged between touch screen and cover plate.
- A kind of 4. processing procedure of OLED display, it is characterised in that including：One substrate layer is provided；An OLED luminescent layers are formed on the substrate layer, for lighting；An encapsulated layer is formed on the OLED luminescent layers, for encapsulating OLED luminescent layers；A touch screen is formed on the encapsulated layer, for gathering touch information；A cover plate, including step are formed on the touch screen：Form one layer of first organic layer；First organic layer is divided into first area, second area and the 3rd region, wherein the second area and the 3rd area Domain is arranged on the first area both sides and separation；One or more layers the first water blocking layer is formed on the second area and the 3rd region, and is blocked water adjacent described first One layer of the 3rd organic layer is provided between layer；The second organic layer is formed on the first area；One layer of first organic layer is formed on the water blocking layer and the second organic layer；Protective layer is formed on the first organic layer on the water blocking layer, the hardness of the protective layer is more than the first organic layer.
- 5. the processing procedure of OLED display according to claim 4, it is characterised in that described to be formed on the first area Second organic layer includes；The second water blocking layer is formed on the first area, second water blocking layer is arranged on the first organic layer and the second organic layer Between, the thickness of second water blocking layer is less than the first water blocking layer.
- 6. the processing procedure of OLED display according to claim 5, it is characterised in that described to be formed on the first area Second organic layer includes；One layer of first water blocking layer is set on first area, second area and the 3rd region simultaneously；The first water blocking layer on first area is handled, make first block water thinner layer thickness formed the second water blocking layer.
- 7. the processing procedure of OLED display according to claim 5, it is characterised in that described to be formed on the first area Second organic layer includes；The upper surface of the second organic layer in first area is set, it is upper less than second area and first water blocking layer in the 3rd region Surface；The second water blocking layer is formed on the second organic layer, and makes the second water blocking layer both sides and second area and the 3rd region First water blocking layer connects.
- 8. the processing procedure of OLED display according to claim 4, it is characterised in that first water blocking layer passes through plasma Body strengthens chemical vapour deposition technique or atomic layer deposition method deposits to be formed.
- 9. the processing procedure of OLED display according to claim 4, it is characterised in that first organic layer and/or second Organic layer deposits to be formed by ink-jet printing process.
- 10. the processing procedure of OLED display according to claim 4, it is characterised in that first water blocking layer is by densification The ceramic material of water white transparency is made.
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