CN208385460U - OLED capsule structure, OLED luminescent layer, display panel and electronic equipment - Google Patents
OLED capsule structure, OLED luminescent layer, display panel and electronic equipment Download PDFInfo
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- CN208385460U CN208385460U CN201820801433.0U CN201820801433U CN208385460U CN 208385460 U CN208385460 U CN 208385460U CN 201820801433 U CN201820801433 U CN 201820801433U CN 208385460 U CN208385460 U CN 208385460U
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- capsule
- layer
- oled
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- organic electroluminescent
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- 239000002775 capsule Substances 0.000 title claims abstract description 114
- 229920001940 conductive polymer Polymers 0.000 claims abstract description 33
- 239000002322 conducting polymer Substances 0.000 claims abstract description 31
- 229920000642 polymer Polymers 0.000 claims description 21
- 239000000758 substrate Substances 0.000 claims description 12
- 230000005611 electricity Effects 0.000 claims description 4
- 150000003254 radicals Chemical group 0.000 claims description 4
- 239000004065 semiconductor Substances 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 239000008391 electroluminescent agent Substances 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 238000004020 luminiscence type Methods 0.000 claims description 3
- 238000005424 photoluminescence Methods 0.000 claims description 3
- 229920002554 vinyl polymer Polymers 0.000 claims description 3
- 229910021645 metal ion Inorganic materials 0.000 claims description 2
- 238000006116 polymerization reaction Methods 0.000 claims 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 10
- 238000005538 encapsulation Methods 0.000 abstract description 9
- 239000001301 oxygen Substances 0.000 abstract description 8
- 229910052760 oxygen Inorganic materials 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 19
- 238000010586 diagram Methods 0.000 description 14
- 238000010438 heat treatment Methods 0.000 description 12
- 239000007788 liquid Substances 0.000 description 11
- 239000000463 material Substances 0.000 description 10
- 239000000126 substance Substances 0.000 description 10
- 238000005240 physical vapour deposition Methods 0.000 description 8
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 239000012530 fluid Substances 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000005229 chemical vapour deposition Methods 0.000 description 4
- -1 polyethylene Polymers 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000005401 electroluminescence Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- 239000005725 8-Hydroxyquinoline Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229960003540 oxyquinoline Drugs 0.000 description 2
- 229920001748 polybutylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- MCJGNVYPOGVAJF-UHFFFAOYSA-N quinolin-8-ol Chemical compound C1=CN=C2C(O)=CC=CC2=C1 MCJGNVYPOGVAJF-UHFFFAOYSA-N 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 230000027756 respiratory electron transport chain Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- YFMFNFHRPMFTSR-UHFFFAOYSA-N 2,7-dithiophen-2-ylfluoren-9-one Chemical compound C1=C2C(=O)C3=CC(C=4SC=CC=4)=CC=C3C2=CC=C1C1=CC=CS1 YFMFNFHRPMFTSR-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
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- 238000002309 gasification Methods 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 238000006897 homolysis reaction Methods 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012536 packaging technology Methods 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- TVIVIEFSHFOWTE-UHFFFAOYSA-K tri(quinolin-8-yloxy)alumane Chemical compound [Al+3].C1=CN=C2C([O-])=CC=CC2=C1.C1=CN=C2C([O-])=CC=CC2=C1.C1=CN=C2C([O-])=CC=CC2=C1 TVIVIEFSHFOWTE-UHFFFAOYSA-K 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
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- Electroluminescent Light Sources (AREA)
Abstract
The application provides a kind of OLED capsule structure, it include: capsule core, capsule shells and several organic electroluminescent objects, the capsule core is nonpolar stratiform conducting polymer, the capsule core is adsorbed with several organic electroluminescent molecules, and the capsule shells wrap up the capsule core and several organic electroluminescent molecules to carry out encapsulated.The application also provides a kind of OLED luminescent layer, display panel and electronic equipment.The application encapsulates several organic electroluminescent molecules by way of capsule structure, can obstruct water oxygen in advance, reduce encapsulation difficulty and package thickness is thinned.
Description
Technical field
This application involves display encapsulation field, in particular to a kind of OLED capsule structure, OLED luminescent layer, display panel and
Electronic equipment.
Background technique
Since the organic light emission object of OLED luminescent layer is easy to be influenced by water oxygen.Therefore, it is necessary to encapsulation OLED luminescent layer
It is packaged between upper and lower base plate, to obstruct influence of the water oxygen to the organic light emission object of OLED luminescent layer.However, this encapsulation makes
The package thickness for obtaining OLED luminescent layer is big, and encapsulation difficulty is big.
Utility model content
The application provides a kind of OLED capsule structure, OLED luminescent layer, display panel and electronic equipment, to solve above-mentioned ask
Topic.
A kind of OLED capsule structure that the application also provides, the capsule structure include: capsule core, capsule shells and several have
Organic electro luminescent object, the capsule core are nonpolar stratiform conducting polymer, and the nonpolarity stratiform conducting polymer is adsorbed with
Several organic electroluminescent molecules, the capsule shells wrap up the capsule core and several organic electroluminescent molecules to carry out
Encapsulated.
A kind of OLED luminescent layer that the application also provides, including several pixels, each pixel include R pixel, G pixel
Perhaps the B pixel R pixel, G pixel or B pixel respectively include several capsule structures being arranged, the capsule structure
It include: capsule core, capsule shells and several organic electroluminescent molecules, the capsule core is nonpolar stratiform conducting polymer, institute
It states nonpolar stratiform conducting polymer and is adsorbed with several organic electroluminescent molecules, the capsule shells wrap up the capsule core and institute
Several organic electroluminescent molecules are stated to carry out encapsulated.
A kind of display panel that the application also provides, including substrate layer, above-mentioned OLED luminescent layer, anode layer and cathode layer,
The anode layer is stacked on the substrate layer, and the OLED luminescent layer is stacked on the anode layer, the yin
Pole layer stackup is arranged on the OLED luminescent layer, electrically conductive between the capsule structure and capsule structure, the capsule structure
It is also electrically conductive between the anode layer and the cathode layer, between the anode layer and the cathode layer apply voltage when thus
Drive several organic electroluminescent mulecular luminescences in each capsule structure.
The a kind of electronic equipment that the application also provides, including above-mentioned display panel.The display panel include substrate layer, on
OLED luminescent layer, anode layer and cathode layer are stated, the anode layer is stacked on the substrate layer, and the OLED shines layer by layer
Folded to be arranged on the anode layer, the cathode layer is stacked on the OLED luminescent layer, the capsule structure and capsule
Electrically conductive between structure, the capsule structure is also electrically conductive between the anode layer and the cathode layer, the anode layer and
When applying voltage between the cathode layer thus drive several organic electroluminescent mulecular luminescences in each capsule structure.
OLED capsule structure, OLED luminescent layer, display panel and electronic equipment provided by the present application, by several organic electroluminescences
Light emitting molecule encapsulates by way of capsule structure, can obstruct water oxygen in advance, reduce encapsulation difficulty and package thickness is thinned.
Detailed description of the invention
Technical solution in ord to more clearly illustrate embodiments of the present application, below will be to needed in embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is some embodiments of the application, general for this field
For logical technical staff, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the cross section structure schematic diagram of display panel in one embodiment of the application.
Fig. 2 is the structural schematic diagram of the OLED luminescent layer in one embodiment of the application.
Fig. 3 is the enlarged diagram of the OLED pixel in one embodiment of the application.
Fig. 4 is the structural schematic diagram of the OLED capsule structure in one embodiment of the application.
Fig. 5 is every layer of structural schematic diagram of the nonpolar stratiform conducting polymer in one embodiment of the application.
Fig. 6 is that the nonpolar stratiform conducting polymer in one embodiment of the application arrests the knot after organic electroluminescent molecule
Structure schematic diagram.
Fig. 7 is the flow diagram of the packaging method of the OLED capsule structure in one embodiment of the application.
Fig. 8 is the flow diagram of the forming method of the OLED luminescent layer in one embodiment of the application.
Fig. 9 is the structural schematic diagram schematic diagram of the OLED luminescent layer coated and molded equipment in one embodiment of the application.
Figure 10 is the front schematic view of the electronic equipment in one embodiment of the application.
Specific embodiment
In order to make those skilled in the art more fully understand application scheme, below in conjunction in the embodiment of the present application
Attached drawing, technical solutions in the embodiments of the present application are explicitly described, it is clear that described embodiment is only the application
The embodiment of a part, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not having
Every other embodiment obtained under the premise of creative work is made, shall fall within the protection scope of the present application.
The description and claims of this application and term " first " in above-mentioned attached drawing, " second " and " third " etc. are
For distinguishing different objects, not for description particular order.In addition, term " includes " and their any deformations, it is intended that
Non-exclusive include in covering.Such as the process, method, system, product or equipment for containing a series of steps or units do not have
It is defined in listed step or unit, but optionally further comprising the step of not listing or unit, or optionally further comprising
For the intrinsic other step or units of these process, methods, product or equipment.
It is the cross section structure schematic diagram of display panel 1 in one embodiment of the application please also refer to Fig. 1, Fig. 1.The display
Panel 1 is shown for content.The display panel 1 can be applied on electronic equipment, and the electronic equipment may include mobile hand
Machine, tablet computer, personal digital assistant (Personal Digital Assistant, PDA), mobile internet device
(Mobile Internet Device, MID), intelligent wearable device (such as smartwatch, Intelligent bracelet) are all kinds of to have display
The electronic equipment of function, the embodiment of the present invention are not construed as limiting.
Specifically, the display panel 1 includes substrate layer 11, anode layer 12, OLED luminescent layer 13 and cathode layer 14.It is described
Anode layer 12 is stacked on the substrate layer 11.The OLED luminescent layer 13 is stacked on the anode layer 12.Institute
Cathode layer 14 is stated to be stacked on the OLED luminescent layer 13.The anode layer 12 is generally using with high work function and light transmission
Property good conductive material be made, for example, the anode layer 12 is using conductive metal film made of indium tin oxide (ITO).
The OLED luminescent layer 13 it is general using in fluorescence host material doping fluorescent dopant prepare.The cathode layer 14 is general
It is made of the organic metal of low work function, for example, the cathode layer 14 is the organic film metal electricity prepared using vapour deposition method
Pole.When the direct-flow positive voltage for applying 2~10V on the anode layer 12, and when the ground connection of the cathode layer 14, the anode layer 12
The electronics that the hole of generation and the cathode layer 14 generate is mobile to other side respectively, and meets in the OLED luminescent layer 13.When
Hole and electronics generate energy exciton, so that it is visible to excite light emitting molecule finally to generate when the OLED luminescent layer 13 meets
Light.
It is the structural schematic diagram of the OLED luminescent layer 13 in one embodiment of the application please also refer to Fig. 2, Fig. 2.It is described
OLED luminescent layer 13 includes the pixel 131 of several arrays setting.Each pixel 131 includes three sub-pixels, i.e. R pixel
1311, G pixel 1313 and B pixel 1315.Wherein, the R pixel 1311 is generated red light, the G pixel 1313 by driving
The light of green is generated by driving, the B pixel 1315 is generated the light of blue by driving.By the R pixel 1311, G pixel 1313
With the light that can produce various colors after light caused by B pixel 1315 according to a certain percentage colour mixture.
Please also refer to Fig. 3, the R pixel 1311 includes several capsule structures 2 being arranged, the capsule structure 2
Between it is electrically conductive, the capsule structure 2 is also electrically conductive between the anode layer 12 and the cathode layer 14, thus, the sun
Applying voltage between pole layer 12 and the cathode layer 14 can drive several capsule structures 2 to be powered and issue red light.
The G pixel 1313 includes several capsule structures 2 being arranged, electrically conductive between the capsule structure 2, described
Capsule structure 2 is also electrically conductive between the anode layer 12 and the cathode layer 14, thus, the anode layer 12 and the cathode
Apply the light that voltage can drive several capsule structures 2 to be powered and issue green between layer 14.
The B pixel 1315 also includes several capsule structures 2 being arranged.Electrically conductive, institute between the capsule structure 2
It is also electrically conductive between the anode layer 12 and the cathode layer 14 to state capsule structure 2, thus, the anode layer 12 and the yin
Apply the light that voltage can drive several capsule structures 2 to be powered and issue blue between pole layer 14.
Please also refer to Fig. 4, the capsule structure 2 includes capsule core 21, capsule shells 23 and several organic electroluminescents point
Son 25.Please also refer to Fig. 5 and Fig. 6, the capsule core 21 is nonpolar stratiform conducting polymer 211, the nonpolarity stratiform
Conducting polymer 211 adsorbs organic electroluminescent molecule 25.Specifically, the capsule core 21 is nonpolar stratiform conducting polymer
211, the surface of the nonpolarity stratiform conducting polymer 211 has several chemical bonds 2111.The chemical bond 2111 is for grabbing
Catch the organic electroluminescent molecule 25 of organic electroluminescent object.Specifically, each chemical bond 2111 is for arresting an Organic Electricity
Photoluminescence molecule 25.The capsule shells 23 wrap up the capsule core 21 and several organic electroluminescent molecules 25 to carry out glue
It is encapsulated dress.Apply between the anode layer 12 and the cathode layer 14 voltage thus drive several institutes in the capsule structure 2
Organic electroluminescent molecule 25 is stated to shine.Specifically, the organic electroluminescent object is the material for meeting the following conditions: being had good
Good semiconductor property, there is higher carrier mobility；Should have high fluorescence quantum efficiency, fluorescence under solid film state
Excitation spectrum is mainly distributed in the visible light region of 400~700nm, photochromic pure；Good film forming, be suitble to vacuum evaporation at
Film；Good thermal stability and machining property.For example, red light material can be 2,7- dithienyl -9-Fluorenone (DFTO),
Green light material can be 8-hydroxyquinoline aluminium, and blue light material can be 9,10- bis- (6- tert-butyl) naphthalene -2- methyl anthracene
(MDTBADN)。
Wherein, the chemical bond 2111 of the nonpolar stratiform conducting polymer 211 arrests organic electroluminescent molecule 25
Principle specifically: organic electroluminescent object and nonpolar stratiform conducting polymer 211 are put into a heating container and are heated
To chemically react, so that several chemical bonds 2111 on 211 surface of nonpolarity stratiform conducting polymer are distinguished
The organic electroluminescent molecule 25 in the organic electroluminescent object is arrested, so that several organic electroluminescent molecules
25 are sequentially arranged on the surface of the nonpolar stratiform conducting polymer 211.
Wherein, in the present embodiment, the heating container is crucible furnace.It is understood that in other implementations, the heating container
It can also be other heating equipments, herein without limitation.
Wherein, in the present embodiment, the temperature of the heating is 300 degrees Celsius or more.It is understood that the temperature of the heating
The upper limit is 700 degrees Celsius, and described crucible furnace itself is avoided to be melted.
Specifically, the capsule core 21 include metal ion on layered polymer of layered polymer and sputter or
Person increases the part free radical group in layered polymer.Wherein, the free radical refers to the molecule of compound in photo-thermal etc.
Under external condition, homolysis occurs for covalent bond and the atom or group with unpaired electron that are formed.
In one embodiment, layered polymer is stratiform vinyl polymer, for example, layered polyethylene polymer, layer
Shape polyacrylic polymer, stratiform polyvinyl chloride polymer or stratiform polybutylene polymer etc..It is understood that in other embodiments
In, layered polymer can also be the layered polymer of other types, herein without limitation.
Further, the capsule shells 23 are transparent conductive film capsule shells, and the capsule shells are transparent conductive film glue
Softgel shell, the transparent conductive film are graphite transparent conductive film or transparent conductive semiconductor film.
Further, the capsule shells 23 wrap up the capsule core 21 and several organic electroluminescent molecules 25 with into
The packaging technology of row encapsulation is chemical vapor deposition or physical vapour deposition (PVD).
Organic electroluminescent molecule 25 in the R pixel 1311 is for glowing, the Organic Electricity in the G pixel 1313
Photoluminescence molecule 25 is used for green light, and the organic electroluminescent molecule 25 in the B pixel 1315 is used for blue light-emitting.Due to difference
The light of color needs the organic electroluminescent object of different materials just to can produce, therefore, the organic electroluminescence in the R pixel 1311
Light emitting molecule 25, the organic electroluminescent molecule 25 in the G pixel 1313 and the organic electroluminescent in the B pixel 1315
The structure of molecule 25 is different.That is, difference is respectively adopted in the R pixel 1311, G pixel 1313 and B pixel 1315
Organic light emission object material be made, for example, 2,7- dithienyls -9-Fluorenone (DFTO) can be applied to R pixel 1311 with generate
Feux rouges, 8-hydroxyquinoline aluminium (Alq3) can be widely used in G pixel 1313 to generate green light, 9,10- bis- (6- tert-butyl) naphthalene -2-
Methyl anthracene (MDTBADN) can be applied to B pixel 1315 to generate blue light.
The service life of aging is different after being powered due to different sub-pixels, that is to say, that forms the capsule of the R pixel 1311
The capsule core of structure 2 and the material of capsule shells, with the capsule core of the capsule structure of the formation G pixel 1313 and the material of capsule shells
Expect, and form the capsule core of the capsule structure of the B pixel 1315 and capsule shells to adjust by differentiation, so that institute
It is consistent with the service life of 1315 energization aging of B pixel to state R pixel 1311, G pixel 1313.
Referring to FIG. 7, Fig. 7 is the flow diagram of the packaging method of the OLED capsule structure in one embodiment of the application.
The execution sequence of the packaging method of the OLED capsule structure is not limited to sequence shown in Fig. 7.The method includes the steps:
Step 710, nonpolar stratiform conducting polymer is provided, the nonpolarity stratiform conductive polymer surfaces have several
Chemical bond.
Specifically, the nonpolar stratiform conducting polymer 211 by layered polymer jet-plating metallization ion or increases part
Free radical group is made.
Further specifically, in one embodiment, layered polymer is stratiform vinyl polymer, for example, stratiform is poly-
Ethene polymers, stratiform polyacrylic polymer, stratiform polyvinyl chloride polymer or stratiform polybutylene polymer etc..
Step 720, organic electroluminescent is carried out by several chemical bonds of the nonpolar stratiform conducting polymer
Several organic electroluminescent molecules of object are arrested.
Specifically, please also refer to Fig. 4, to the organic electroluminescent object and the nonpolar stratiform conducting polymer
211 are heated to chemically react, so that several chemistry on 211 surface of nonpolarity stratiform conducting polymer
Key 2111 arrests several organic electroluminescent molecules 25 in the organic electroluminescent object respectively, so that several institutes
Organic electroluminescent molecule 25 is stated to be sequentially arranged on the surface of the nonpolar stratiform conducting polymer 211.
Further specifically, organic electroluminescent object and nonpolar stratiform conducting polymer 211 are put into a heating container
In heated to chemically react so that several chemistry on 211 surface of nonpolarity stratiform conducting polymer
Key 2111 arrests several organic electroluminescent molecules 25 in the organic electroluminescent object respectively, so that several institutes
Organic electroluminescent molecule 25 is stated to be sequentially arranged on the surface of the nonpolar stratiform conducting polymer 211.Due to described non-
Several chemical bonds 211 on the surface of polarity stratiform conducting polymer 211 are equally distributed substantially, and the spacing is to receive
The spacing of meter level, therefore, the molecule that several organic electroluminescent molecules 25 are formed after being grabbed by several chemical bonds 211
Layer is in nanoscale spacing, and has certain tiling effects.
Wherein, in the present embodiment, the heating container is crucible furnace.It is understood that in other implementations, the heating container
It can also be other heating equipments, herein without limitation.
Wherein, in the present embodiment, the temperature of the heating is 300 degrees Celsius or more.It is understood that the temperature of the heating
The upper limit can be 700 degrees Celsius.
Step 730, will arrest the nonpolar stratiform conducting polymers of several organic electroluminescent molecules into
Row encapsulated.
Specifically, several organic electroluminescents will have been arrested using the transparent conductive film with barrier water oxygen function
The nonpolar stratiform conducting polymer of molecule is wrapped up, to encapsulate the nonpolar stratiform conducting polymer.
Specifically, the barrier water oxygen function, which refers to, has the function of obstructing water and oxygen.
Specifically, the transparent conductive film has the characteristic of transparent, conductive level-one isolation water oxygen, for example, described transparent
Conductive film can be graphite transparent conductive film or transparent conductive semiconductor film etc..
Specifically, the nonpolar stratiform conducting polymer for arresting several organic electroluminescent molecules is carried out
The technique of encapsulation be chemical vapor deposition (CVD, Chemical Vapor Deposition) or physical vapour deposition (PVD) (PVD,
Physical Vapor Deposition).Wherein, chemical vapor deposition refers to containing the gaseous reactant for constituting film element
Or the steam and the required other gases of reaction of liquid reactants introduce reaction chambers, and chemical reaction occurs in substrate surface and generates film
Process.Physical vapour deposition (PVD) refers under vacuum conditions, using physical method, by material source -- solid or liquid surface gasification
At gaseous atom, molecule or partial ionization at ion, and by low-pressure gas (or plasma) process, deposited in matrix surface
The technology of film with certain specific function.
Specifically, please also refer to Fig. 4, each capsule structure 2 includes several layers nonpolarity stratiform conducting polymer 211,
Each chemical bond 2111 of every layer of apolar layer shaped polymer 211 adsorbs organic electroluminescent molecule 25.
Referring to FIG. 8, Fig. 8 is the flow diagram of the forming method of the OLED luminescent layer in one embodiment of the application.Institute
The execution sequence for stating the forming method of OLED luminescent layer is not limited to sequence shown in Fig. 8.The method includes the steps:
Step 810, several capsule structures and macromolecular water-soluble liquid are admixed to formation coating according to a certain percentage
Liquid.
Specifically, the macromolecular water-soluble liquid has caking property and oxygen barrier property, for example, the macromolecule water
Insoluble liquid can be polyethylene solution.Wherein, when forming R pixel for being coated with, the capsule structure is red for issuing
The capsule structure of coloured light, when forming G pixel for being coated with, the capsule structure is the capsule structure for issuing green light,
When forming B pixel for being coated with, the capsule structure is the capsule structure for issuing blue light.
Specifically, the volume ratio between the capsule structure 2 and the macromolecular water-soluble liquid is more than or equal to 1, for example,
1:1 can also be 1.2:1,1.4:1 etc..
Step 820, display base plate is provided, by the coating fluid be coated on the position of the display base plate respective pixel with
Form OLED luminescent layer.
Wherein, when forming R pixel for being coated with, it will be used to be coated with and form the coating fluid of R pixel and be coated on the display
To form R pixel on the position of the corresponding R pixel of substrate.
Wherein, when forming G pixel for being coated with, it will be used to be coated with and form the coating fluid of G pixel and be coated on the display
To form G pixel on the position of the corresponding G pixel of substrate.
Wherein, when forming B pixel for being coated with, it will be used to be coated with and form the coating fluid of B pixel and be coated on the display
To form B pixel on the position of the corresponding B pixel of substrate.
Show please also refer to the structure that Fig. 9, Fig. 9 are the OLED luminescent layer coated and molded equipment 9 in one embodiment of the application
It is intended to.Wherein, above-mentioned spreading formation process is relief printing plate spreading formation process.
The coated and molded equipment 9 includes liquid holding groove 91,93, two deflector rolls 95 of line rod and scraper 97.Two deflector rolls
95 and the axis of the line rod 93 be arranged in parallel.Two deflector rolls 95 are located at the top of the line rod 93.The scraper 97 is adjacent
The nearly line rod 93 is arranged.Liquid device is coated in the liquid holding groove 91.The liquid holding groove 91 is immersed in the side of the line rod 93
Coating fluid in.The display base plate M is in flexibility and is threaded through between two deflector rolls 95 and the line rod 93, the line rod
93 other side supports the display base plate M.It is thus possible to be printed on the display panel M.
It is understood that the display panel M can be the layer structure being separately provided to support the luminescent layer 13, also
It can be the anode layer 12 or the cathode layer 14 with the neighbouring setting of the luminescent layer 12.
It is understood that in other embodiments, the display panel 100 further includes hole transmission layer and electron transfer layer, institute
Stating hole transmission layer may be provided between the anode layer 12 and the luminescent layer 13, and the electron transfer layer may be provided at described
Between luminescent layer 13 and the cathode layer 14.To which the display panel M can also be that the hole transmission layer or electronics pass
Defeated layer.
It should be noted that the capsule structure in the application is not limited to micron-sized capsule, nanoscale can also be
Capsule.
Please also refer to Figure 10, the electronic equipment 200 can be mobile phone, tablet computer, electronic reader, wearable electronics
The electronic equipment having a display function such as equipment.The display panel 100 can be then the display structure in electronic equipment 200.
OLED capsule structure, OLED luminescent layer, display panel and electronic equipment provided by the present application, by several organic electroluminescences
Light emitting molecule encapsulates by way of capsule structure, can obstruct water oxygen in advance, reduce encapsulation difficulty and package thickness is thinned.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, is not described in some embodiment
Part, reference can be made to the related descriptions of other embodiments.
Step in the embodiment of the present application method can be sequentially adjusted, merged and deleted according to actual needs.
It is the embodiment of the embodiment of the present application above, it is noted that those skilled in the art are come
It says, under the premise of not departing from the embodiment of the present application principle, several improvements and modifications can also be made, these improvements and modifications
It is considered as the protection scope of the application.
Claims (7)
1. a kind of OLED capsule structure, which is characterized in that the capsule structure includes: capsule core, capsule shells and several Organic Electricities
Photoluminescence object, the capsule core are nonpolar stratiform conducting polymer, and the capsule core is adsorbed with several organic electroluminescents point
Son, the capsule shells wrap up the capsule core and several organic electroluminescent molecules to carry out encapsulated.
2. OLED capsule structure according to claim 1, which is characterized in that the capsule core includes layered polymer and splashes
The metal ion that is plated on layered polymer increases part free radical group in layered polymer.
3. OLED capsule structure according to claim 2, which is characterized in that layered polymer is stratiform vinyl polymerization
Object.
4. OLED capsule structure according to claim 1, which is characterized in that the capsule shells are transparent conductive film capsule
Shell, the transparent conductive film are graphite transparent conductive film or transparent conductive semiconductor film.
5. a kind of OLED luminescent layer, which is characterized in that the OLED luminescent layer includes several pixels, and each pixel includes R
Perhaps the B pixel R pixel, G pixel or B pixel include several capsule structures being arranged for pixel, G pixel, described
Capsule structure includes: capsule core, capsule shells and several organic electroluminescent molecules, and the capsule core is that nonpolar layered conductive is poly-
Object is closed, the nonpolarity stratiform conductive polymer surfaces are adsorbed with several organic electroluminescent molecules, and the capsule shells wrap up institute
Capsule core and several organic electroluminescent molecules are stated to carry out encapsulated.
6. a kind of display panel, which is characterized in that the display panel includes substrate layer, OLED as claimed in claim 5 hair
Photosphere, anode layer and cathode layer, the anode layer are stacked on the substrate layer, and the OLED luminescent layer is stacked
On the anode layer, the cathode layer is stacked on the OLED luminescent layer, between the capsule structure and capsule structure
Electrically conductive, the capsule structure is also electrically conductive between the anode layer and the cathode layer, the anode layer and the cathode
When applying voltage between layer thus drive several organic electroluminescent mulecular luminescences in each capsule structure.
7. a kind of electronic equipment, which is characterized in that the electronic equipment includes display panel as claimed in claim 6.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820801433.0U CN208385460U (en) | 2018-05-25 | 2018-05-25 | OLED capsule structure, OLED luminescent layer, display panel and electronic equipment |
| PCT/CN2019/088173 WO2019223768A1 (en) | 2018-05-25 | 2019-05-23 | Encapsulating method for oled capsule structure, and oled capsule structure |
| US16/420,928 US10833286B2 (en) | 2018-05-25 | 2019-05-23 | Encapsulating method for OLED capsule structure, forming method for OLED light-emitting layer, and OLED capsule structure |
| EP19176425.7A EP3573121A1 (en) | 2018-05-25 | 2019-05-24 | Encapsulating method for oled capsule structure, and oled capsule structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820801433.0U CN208385460U (en) | 2018-05-25 | 2018-05-25 | OLED capsule structure, OLED luminescent layer, display panel and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208385460U true CN208385460U (en) | 2019-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820801433.0U Expired - Fee Related CN208385460U (en) | 2018-05-25 | 2018-05-25 | OLED capsule structure, OLED luminescent layer, display panel and electronic equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN208385460U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108565361A (en) * | 2018-05-25 | 2018-09-21 | Oppo广东移动通信有限公司 | OLED capsule structures and packaging method, OLED luminescent layers and forming method, display panel and electronic equipment |
| WO2019223768A1 (en) * | 2018-05-25 | 2019-11-28 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Encapsulating method for oled capsule structure, and oled capsule structure |
-
2018
- 2018-05-25 CN CN201820801433.0U patent/CN208385460U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108565361A (en) * | 2018-05-25 | 2018-09-21 | Oppo广东移动通信有限公司 | OLED capsule structures and packaging method, OLED luminescent layers and forming method, display panel and electronic equipment |
| WO2019223768A1 (en) * | 2018-05-25 | 2019-11-28 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Encapsulating method for oled capsule structure, and oled capsule structure |
| US10833286B2 (en) | 2018-05-25 | 2020-11-10 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Encapsulating method for OLED capsule structure, forming method for OLED light-emitting layer, and OLED capsule structure |
| CN108565361B (en) * | 2018-05-25 | 2023-07-07 | Oppo广东移动通信有限公司 | OLED capsule structure, OLED light-emitting layer, related method, display panel and electronic equipment |
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