CN109256484A - A kind of display panel and preparation method thereof, display - Google Patents
A kind of display panel and preparation method thereof, display Download PDFInfo
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- CN109256484A CN109256484A CN201811014896.3A CN201811014896A CN109256484A CN 109256484 A CN109256484 A CN 109256484A CN 201811014896 A CN201811014896 A CN 201811014896A CN 109256484 A CN109256484 A CN 109256484A
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- display panel
- packaging body
- layer
- luminescence unit
- reservation
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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
-
- 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
-
- 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
Abstract
This application discloses a kind of display panel and preparation method thereof, display, the display panel includes: base；Luminescent layer is located at the base side, and the luminescent layer includes multiple luminescence units of array arrangement；Encapsulated layer is located at the luminescent layer far from the base side, and the encapsulated layer includes multiple packaging bodies, and the different packaging bodies covers the different luminescence units.By the above-mentioned means, the application can reduce the probability that wherein film layer is broken when display panel is bent.
Description
Technical field
This application involves field of display technology, more particularly to a kind of display panel and preparation method thereof, display.
Background technique
Organic electroluminescent LED (OLED) display panel has self-luminous, contrast is high, thickness is thin, visual angle is wide and anti-
The advantages that answering speed fast, increasingly by the high praise of industry, and OLED display panel is one of important trend.
OLED display panel is for extreme sensitivities such as water, oxygen, to avoid water, oxygen etc. to the shadow of OLED display panel
It rings, generally uses overall package technology being packaged OLED display panel, i.e., using in an encapsulated layer covering luminescent layer
All luminescence units.
Present inventor has found that the encapsulated layer in existing overall package technology includes in long-term R&D process
Inorganic layer and organic layer, it is curved in OLED display panel since there are larger differences for the intensity and flexibility of inorganic layer and organic layer
During song, inorganic layer is easily broken, and then OLED display panel is made to fail.
Summary of the invention
The application can drop mainly solving the technical problems that provide a kind of display panel and preparation method thereof, display
The probability that wherein film layer is broken when low display panel is bent.
In order to solve the above technical problems, the technical solution that the application uses is: a kind of display panel is provided, it is described aobvious
Show that panel includes: base；Luminescent layer is located at the base side, and the luminescent layer includes multiple luminescence units of array arrangement；
Encapsulated layer is located at the luminescent layer far from the base side, and the encapsulated layer includes multiple packaging bodies, the different encapsulation
Body covers the different luminescence units.
Wherein, the display panel is flexible display panels, and the flexible display panels include predefined curved portion, described pre-
Determine the packaging body of the bending section equipped with multiple luminescence units and the covering luminescence unit, wherein described predefined curved
The packaging body and the luminescence unit in portion correspond.
Wherein, the display panel further includes the un-flexed portion that makes a reservation for connecting with the predefined curved portion, it is described make a reservation for it is non-
Bending section includes multiple luminescence units and the packaging body for covering the luminescence unit, wherein it is described make a reservation for it is un-flexed
The packaging body and the luminescence unit in portion correspond, alternatively, the packaging body quantity for making a reservation for un-flexed portion is
One, and cover and described make a reservation for all luminescence units in un-flexed portion.
Wherein, the display panel is flexible display panels, and the flexible display panels include predefined curved portion, described pre-
Determining axis corresponding to the bending curvature maximum of bending section is first axle, and the packaging body is only arranged at the first axle
Two sides.
Wherein, there is predetermined space between the adjacent packaging body, filled out in the predetermined space between the adjacent packaging body
Filled with organic matter.
Wherein, the packaging body surface is arc or at least part is plane.
Wherein, the packaging body includes: the first inorganic layer, coats at least one described luminescence unit far from the base one
The surface of side；Organic layer coats the surface of first inorganic layer far from the luminescence unit side；Second inorganic layer, cladding
Surface of the organic layer far from first inorganic layer side；Wherein, the edge of each packaging body encloses the hair set in it
Light unit, and do not coated mutually between the adjacent packaging body.
In order to solve the above technical problems, another technical solution that the application uses is: a kind of display is provided, it is described aobvious
Show that device includes: driving circuit and any of the above-described display panel as described in the examples, wherein the driving circuit is used for described
Display panel provides driving voltage.
In order to solve the above technical problems, another technical solution that the application uses is: providing a kind of system of display panel
Preparation Method, which comprises base is provided；Luminescent layer is formed in the base side, wherein the luminescent layer includes array
Multiple luminescence units of arrangement；Encapsulated layer is formed far from the base side in the luminescent layer, wherein the encapsulated layer includes
Multiple packaging bodies, the different packaging bodies cover the different luminescence units.
Wherein, described to form encapsulated layer far from the base side in the luminescent layer, comprising: in the institute of predefined curved portion
It states and forms multiple packaging bodies on luminescence unit, wherein the luminescence unit and the packaging body correspond.
The beneficial effect of the application is: being in contrast to the prior art, display panel provided herein includes hair
Photosphere and encapsulated layer, wherein luminescent layer includes multiple luminescence units of array arrangement, and encapsulated layer includes multiple packaging bodies, different
Packaging body cover different luminescence units；Encapsulated layer provided herein is changed to multiple packaging bodies by traditional overall package
The mode of individual packages, the stress that inorganic layer when can reduce bending in encapsulated layer is subject to occur to break to reduce encapsulated layer
The probability split；And it is mutually indepedent between packaging body, whole display panel will not be influenced the damage of single package body, thus
Improve the service life of display panel.
Detailed description of the invention
In order to more clearly explain the technical solutions in the embodiments of the present application, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are only some examples of the present application, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.Wherein:
Fig. 1 is the structural schematic diagram of one embodiment of the application display panel；
Fig. 2 is the structural schematic diagram of another embodiment of the application display panel；
Fig. 3 is the structural schematic diagram of display panel bending latter embodiment in Fig. 1；
Fig. 4 is the structural schematic diagram of another embodiment after the bending of the application display panel；
Fig. 5 is the structural schematic diagram of another embodiment after the bending of the application display panel；
Fig. 6 is the structural schematic diagram of another embodiment of the application display panel；
Fig. 7 is the flow diagram of one embodiment of preparation method of the application display panel；
Fig. 8 is the structural schematic diagram of one embodiment of the application display.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, rather than whole embodiments.Based on this
Embodiment in application, those of ordinary skill in the art are obtained every other under the premise of not making creative labor
Embodiment shall fall in the protection scope of this application.
Referring to Fig. 1, Fig. 1 is the structural schematic diagram of one embodiment of the application display panel, which includes:
Base 20；Specifically, in one embodiment, base 20 includes substrate and the TFT layer being arranged in substrate
Deng.In this application, base 20 can be flexbile base, and substrate is flexible substrates, and the material of flexible substrates can be plastics (example
Such as, polyimides, polyethylene terephthalate, polyethylene naphthalate etc.), it is also possible to metal foil substrate etc..
Luminescent layer 22, is located at 20 side of base, and luminescent layer 22 includes multiple luminescence units 220 of array arrangement；Specifically,
Luminescence unit 220 includes red light-emitting unit R, blue light emitting unit B and green luminescence unit G.Metal or non-gold can be passed through
Belong to the modes such as mask plate vapor deposition and sequentially forms red light-emitting unit R, blue light emitting unit B and green luminescence unit G.Certainly, exist
In other embodiments, the sequencing that red light-emitting unit R, blue light emitting unit B and green luminescence unit G are formed can also change
Become.
Encapsulated layer 24 is located at luminescent layer 22 far from 20 side of base, and encapsulated layer 24 includes multiple mutually independent packaging bodies
240, different packaging bodies 240 covers different luminescence units 220.Wherein, above-mentioned different luminescence unit 220 refers to display panel
Luminescence unit 220 on 2 at different location, and each packaging body 240 cover luminescence unit 220 number can it is identical can also
With identical.Encapsulated layer 24 provided herein is changed to the mode of multiple 240 individual packages of packaging body by traditional overall package,
The stress that inorganic layer when can reduce bending in encapsulated layer 24 is subject to, to reduce the probability that encapsulated layer 24 is broken；And
It is mutually indepedent between multiple packaging bodies 240, whole display panel 2 will not be influenced single package body 240 damages, thus
Improve the service life of display panel 2.
In one embodiment, please continue to refer to Fig. 1, packaging body 240 includes: the first inorganic layer 2400, and cladding is at least
One surface of the luminescence unit 220 far from 20 side of base；Organic layer 2402 coats the first inorganic layer 2400 far from luminescence unit
The surface of 220 sides；Second inorganic layer 2404 coats surface of the organic layer 2402 far from 2400 side of the first inorganic layer；Wherein,
The edge of each packaging body 240 encloses the luminescence unit 220 set in it, and does not coat mutually between adjacent packaging body 240, i.e. phase
There is predetermined space, the size of predetermined space can sets itself between adjacent packaging body 240.Certainly, in other embodiments,
The structure of packaging body 240 can also be other, and the application is not construed as limiting this.
In an application scenarios, the first inorganic layer 2400 and the material of the second inorganic layer 2404 can be identical or not
Together, the material of the first inorganic layer 2400 and the second inorganic layer 2404 can be nonmetal oxide or metal oxide respectively, non-
Metal oxide includes at least one of silicon nitride, silica, silicon oxynitride；Metal oxide include aluminium oxide, zirconium oxide,
At least one of titanium oxide.In other application scenarios, the first inorganic layer 2400, the second inorganic layer 2404 material can also be
Other, the application is not construed as limiting this.
In another application scenarios, the material of organic layer 2402 includes acrylic acid series (for example, polymethyl methacrylate
Deng), organic silicon-type (for example, poly- methyl list phenylethylene radical siloxane etc.), epoxy (for example, epoxy resin etc.) organic material
At least one of, in other application scenarios, the material of organic layer 2402 can also be other, for example, polyimides etc., this Shen
Please this is not construed as limiting.
In another application scenarios, referring to Fig. 2, the structure that Fig. 2 is another embodiment of the application display panel is shown
It is intended to.It, can be in the predetermined space region between adjacent package body 240 for the probability for reducing the erosion to substrate 20 such as water, oxygen
Interior filling organic matter 26, organic matter 26 can be acrylic acid series (for example, polymethyl methacrylate etc.), organic silicon-type (for example,
Poly- methyl list phenylethylene radical siloxane etc.), at least one of epoxy (for example, epoxy resin etc.) organic material；It is organic
The height of object 26 can be less than or equal to the height of packaging body 240.Certainly, in other embodiments, can also be adulterated in organic matter 26
Have have block water, the inorganic powder particle of oxygen resistance, blocked water with further increasing it, oxygen resistance.Inorganic powder particle
Material can be silicon nitride, silica, silicon oxynitride, aluminium oxide, zirconium oxide, titanium oxide etc..The size of inorganic powder particle can
To be micron or Nano grade.
In another embodiment, display panel provided herein is flexible display panels, also referring to Fig. 1
And Fig. 3, Fig. 3 are the structural schematic diagram that display panel is bent latter embodiment in Fig. 1.Display panel includes setting in advance in Fig. 1
Fixed bending line a-a, bending line a-a are defined as the bending initial position of display panel 2, and display panel 2 can be along bending line a-a
Make the bending of 0 °~90 ° (for example, 0 °, 30 °, 45 °, 60 °, 90 ° etc.).Display panel 2 is divided into predefined curved portion by bending line a-a
30 and what is connect with predefined curved portion 30 make a reservation for un-flexed portion 32, making a reservation for un-flexed portion 32 can be flat part.
In an application scenarios, as shown in figure 3, predefined curved portion 30 includes that multiple luminescence units 220 and covering shine
The packaging body 240 of unit 220, wherein the packaging body 240 and luminescence unit 220 of predefined curved portion 30 correspond；Make a reservation for non-curved
Pars convoluta 32 includes the packaging body 240 of multiple luminescence units 220 and covering luminescence unit 220, wherein makes a reservation for the envelope in un-flexed portion 32
Dress body 240 also corresponded with luminescence unit 220, i.e., on entire display panel 2, all luminescence units 220 with packaging body 240
It corresponds.
In another application scenarios, referring to Fig. 4, Fig. 4 is another embodiment after the bending of the application display panel
Structural schematic diagram.In this embodiment, display panel 4 be flexible display panels, display panel 4 include predefined curved portion 40 and with
What predefined curved portion 40 connected makes a reservation for un-flexed portion 42；Packaging body 400 and luminescence unit 402 1 in predefined curved portion 40 is a pair of
It answers；Making a reservation for 420 quantity of packaging body in un-flexed portion 42 is one, and covering makes a reservation for luminescence unit all in un-flexed portion 42
422.On i.e. entire display panel 4, luminescence unit 402 and packaging body 400 only in predefined curved portion 40 are corresponded.When
It so, in other embodiments, can also be at least two in the quantity for making a reservation for the packaging body 420 in un-flexed portion 42, and each
Packaging body 420 covers at least two luminescence units 422.
In another application scenarios, referring to Fig. 5, the structure that Fig. 5 is another embodiment of the application display panel is shown
It is intended to.In this example it is shown that panel 5 is flexible display panels, it can the only stress larger part setting when display panel 5 is bent
Independent packaging body, for example, axis corresponding to the bending curvature maximum of predefined curved portion 50 is first axle b-b, it can be
Independent packaging body 500,502 is arranged in the two sides first axle b-b.Wherein, bending curvature maximum is before the bending of display panel 5
It can be obtained ahead of time, for example, predefined curved line a-a can be first passed through in advance, simulated along predefined curved curved bending angle of line a-a etc.
It obtains.By the design method, the technology difficulty for preparing display panel can be reduced and reduction prepares the cost of display panel.
It should be noted that packaging body surface at least part is plane in above-described embodiment, in other embodiments, ask
Refering to Fig. 6, Fig. 6 is the structural schematic diagram of another embodiment of the application display panel, 60 table of packaging body in the display panel 6
Face is arc, for example, packaging body 60 is ellipse etc..Using the encapsulation of packaging body 60 and traditional whole envelope of independent ellipse
Pretend and compare, the dosage of encapsulation layer material can be reduced, to reduce cost.
Referring to Fig. 7, Fig. 7 is the flow diagram of one embodiment of preparation method of the application display panel, this method
Include:
S101: base is provided.
Specifically, step S101 is specifically included: providing substrate, TFT layer is formed on the substrate.The substrate can be flexibility
Substrate, the material of flexible substrates can be plastics (for example, polyimides, polyethylene terephthalate, poly- naphthalenedicarboxylic acid second two
Alcohol ester etc.), it is also possible to metal foil substrate etc..
S102: luminescent layer is formed in base side, wherein luminescent layer includes multiple luminescence units of array arrangement.
Specifically, luminescence unit includes red light-emitting unit R, blue light emitting unit B and green luminescence unit G.At one
In embodiment, above-mentioned steps S102 is specifically included: being formed feux rouges in base side using metal or nonmetallic mask plate and is sent out
Light unit R, blue light emitting unit B and green luminescence unit G.Wherein, the application is to formation red light-emitting unit R, blue light emitting
The sequencing of unit B and green luminescence unit G do not limit.
S103: encapsulated layer is formed far from base side in luminescent layer, wherein encapsulated layer includes multiple packaging bodies, different
Packaging body covers different luminescence units.
Specifically, in one embodiment, display panel provided herein is flexible display panels, the step
Before S103, method provided herein further include: determine the predefined curved portion of flexible display panels.Step S103 is specific
It include: to form packaging body on the luminescence unit of predefined curved portion, wherein luminescence unit and packaging body correspond.Form envelope
The mode of dress body can be the techniques such as exposure mask, photoetching, and the application is not construed as limiting this.
In yet another embodiment, packaging body is formed by three-decker, respectively the first inorganic layer-organic layer-the second
The structure of inorganic layer, for each packaging body, preparation process includes: at least one luminescence unit far from base side
The first inorganic layer is formed, the first inorganic layer coats the outer surface of at least one luminescence unit；It is single far from shining in the first inorganic layer
First side forms organic layer, and organic layer coats the outer surface of the first inorganic layer；It is formed in organic layer far from the first inorganic layer side
Second inorganic layer, the second inorganic layer coat the outer surface of organic layer.It should be noted that in this application, adjacent package body it
Between do not coat mutually, between adjacent package body have predetermined space region.
In yet another embodiment, due to having predetermined space region between adjacent package body, base has pre- from this
The part exposed in interval region is determined, in order to reduce water, oxygen etc. to the probability of some erosion of the exposing, in above-mentioned steps
After S103, method provided herein further include: the predetermined space area filling organic matter between adjacent package body has
The height of machine object is less than or equal to the height of packaging body.
Referring to Fig. 8, Fig. 8 is the structural schematic diagram of one embodiment of the application display, which includes: driving
Display panel 72 in circuit 70 and any of the above-described embodiment, wherein driving circuit 70 is used to provide driving to display panel 72
Voltage.
It should be noted that display panel 72 provided herein can be used for multiple display modes, for example, OLED is aobvious
Show, quantum dot is shown, Micro-LED is shown, accordingly, using the display panel 72 assembling formed display 7 can be
OLED display, quantum dot displays, Micro-LED display etc..In the present embodiment, display panel provided herein
72 can be flexible display panels, and accordingly, display 7 is flexible display.
The above is only presently filed embodiments, are not intended to limit the scope of the patents of the application, all to utilize the application
Equivalent structure or equivalent flow shift made by specification and accompanying drawing content is applied directly or indirectly in other relevant technologies
Field similarly includes in the scope of patent protection of the application.
Claims (10)
1. a kind of display panel, which is characterized in that the display panel includes:
Base；
Luminescent layer is located at the base side, and the luminescent layer includes multiple luminescence units of array arrangement；
Encapsulated layer is located at the luminescent layer far from the base side, and the encapsulated layer includes multiple packaging bodies, and different is described
Packaging body covers the different luminescence units.
2. display panel according to claim 1, which is characterized in that the display panel is flexible display panels, described
Flexible display panels include predefined curved portion, and the predefined curved portion is equipped with multiple luminescence units and covers the luminous list
The packaging body of member, wherein the packaging body and the luminescence unit of the predefined curved portion correspond.
3. display panel according to claim 2, which is characterized in that the flexible display panels further include making a reservation for described
What bending section connected makes a reservation for un-flexed portion, described to make a reservation for un-flexed portion comprising multiple luminescence units and cover the luminous list
The packaging body of member, wherein the packaging body for making a reservation for un-flexed portion and the luminescence unit correspond, alternatively,
The packaging body quantity for making a reservation for un-flexed portion is one, and covers and described make a reservation for all luminous lists in un-flexed portion
Member.
4. display panel according to claim 1, which is characterized in that
The display panel is flexible display panels, and the flexible display panels include predefined curved portion, the predefined curved portion
Bending curvature maximum corresponding to axis be first axle, the packaging body is only arranged at the first axle two sides.
5. display panel according to claim 1, which is characterized in that there is predetermined space between the adjacent packaging body,
Organic matter is filled in predetermined space between the adjacent packaging body.
6. display panel according to claim 1, which is characterized in that the packaging body surface is arc or at least part
For plane.
7. display panel according to claim 1, which is characterized in that the packaging body includes:
First inorganic layer coats surface of at least one described luminescence unit far from the base side；
Organic layer coats the surface of first inorganic layer far from the luminescence unit side；
Second inorganic layer coats surface of the organic layer far from first inorganic layer side；
Wherein, the edge of each packaging body encloses the luminescence unit set in it, and between the adjacent packaging body mutually not
Cladding.
8. a kind of display, which is characterized in that the display includes: driving circuit and as described in claim any one of 1-7
Display panel, wherein the driving circuit be used for the display panel provide driving voltage.
9. a kind of preparation method of display panel, which is characterized in that the preparation method includes:
Base is provided；
Luminescent layer is formed in the base side, wherein the luminescent layer includes multiple luminescence units of array arrangement；
Encapsulated layer is formed far from the base side in the luminescent layer, wherein the encapsulated layer includes multiple packaging bodies, different
The packaging body cover the different luminescence units.
10. preparation method according to claim 9, which is characterized in that it is described in the luminescent layer far from the base one
Side forms encapsulated layer, comprising:
Multiple packaging bodies are formed on the luminescence unit of predefined curved portion, wherein the luminescence unit and the packaging body
It corresponds.
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| CN201811014896.3A CN109256484B (en) | 2018-08-31 | 2018-08-31 | Display panel, preparation method thereof and display |
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| CN201811014896.3A CN109256484B (en) | 2018-08-31 | 2018-08-31 | Display panel, preparation method thereof and display |
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