CN106527792A - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
- Publication number
- CN106527792A CN106527792A CN201610938870.2A CN201610938870A CN106527792A CN 106527792 A CN106527792 A CN 106527792A CN 201610938870 A CN201610938870 A CN 201610938870A CN 106527792 A CN106527792 A CN 106527792A
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- Prior art keywords
- layer
- display
- display floater
- heat
- acid
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Links
- 239000000758 substrate Substances 0.000 claims abstract description 21
- 208000034699 Vitreous floaters Diseases 0.000 claims description 65
- 239000004065 semiconductor Substances 0.000 claims description 22
- 238000007789 sealing Methods 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 15
- 239000002253 acid Substances 0.000 claims description 12
- 230000007797 corrosion Effects 0.000 claims description 11
- 238000005260 corrosion Methods 0.000 claims description 11
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 9
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 7
- 229910010272 inorganic material Inorganic materials 0.000 claims description 7
- 239000011147 inorganic material Substances 0.000 claims description 7
- 239000011368 organic material Substances 0.000 claims description 7
- 239000011347 resin Substances 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 3
- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical compound O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 claims description 3
- 229910017604 nitric acid Inorganic materials 0.000 claims description 3
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 3
- 229950000845 politef Drugs 0.000 claims description 3
- 239000001117 sulphuric acid Substances 0.000 claims description 3
- 235000011149 sulphuric acid Nutrition 0.000 claims description 3
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 3
- 239000011787 zinc oxide Substances 0.000 claims description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 2
- 239000004408 titanium dioxide Substances 0.000 claims description 2
- 244000025254 Cannabis sativa Species 0.000 claims 1
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims 1
- 229910052787 antimony Inorganic materials 0.000 claims 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims 1
- 239000003518 caustics Substances 0.000 claims 1
- 230000003647 oxidation Effects 0.000 claims 1
- 238000007254 oxidation reaction Methods 0.000 claims 1
- 238000005452 bending Methods 0.000 abstract description 6
- 239000007788 liquid Substances 0.000 abstract description 6
- 238000002955 isolation Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000004806 packaging method and process Methods 0.000 abstract 7
- 238000000034 method Methods 0.000 description 19
- 239000010408 film Substances 0.000 description 13
- 238000010586 diagram Methods 0.000 description 10
- 238000005538 encapsulation Methods 0.000 description 9
- 239000010409 thin film Substances 0.000 description 9
- 238000012545 processing Methods 0.000 description 7
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 239000003513 alkali Substances 0.000 description 5
- 239000003973 paint Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000004888 barrier function Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- -1 tin-antiomony oxide Chemical compound 0.000 description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 description 2
- 235000006408 oxalic acid Nutrition 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 229910001928 zirconium oxide Inorganic materials 0.000 description 2
- 241000790917 Dioxys <bee> Species 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04102—Flexible digitiser, i.e. constructional details for allowing the whole digitising part of a device to be flexed or rolled like a sheet of paper
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Electroluminescent Light Sources (AREA)
- Laminated Bodies (AREA)
Abstract
The invention provides a display panel and a display device, wherein the display panel comprises a substrate; a display layer on one side of the substrate; the packaging layer is positioned on one side of the display layer, which is far away from the substrate; the touch layer is positioned on one side of the packaging layer, which is far away from the display layer; the isolation layer is positioned inside the packaging layer and/or between the packaging layer and the touch layer. The invention provides a technical scheme for integrating a touch layer on the surface of a packaging layer, wherein an isolating layer is arranged inside the packaging layer and/or between the packaging layer and the touch layer, so that the damage of high temperature and/or corrosive liquid in the manufacturing process of the touch layer to a display layer is prevented; therefore, the thickness of the display panel can be reduced on the basis of ensuring the display and touch performance of the display panel, the bending resistance of the display panel is improved, and the display panel is more suitable for flexible display devices.
Description
Technical field
The present invention relates to display technology field, more particularly to touch control layer is integrated in encapsulation layer surface and in touch control layer by one kind
Display layer and encapsulated layer is protected to exempt from injured display floater and display device in processing procedure.
Background technology
Touch screen is presently the most a kind of simple, convenient, natural man-machine interaction mode as a kind of input medium.
Integrated touch controllable function in display device, has become the research and development focus of more and more display manufacturers.Meanwhile, with Display Technique
Continuous development, the demand of the flexible display apparatus with touch screen is growing.Flexible display apparatus are by soft material
Make, the flexible device of deformable.Flexible display apparatus of the prior art typically adopt OLED (Organic Light-
Emitting Diode, Organic Light Emitting Diode) technology, this technology has low-power consumption, small volume, light, display mode many
The advantages such as sample, therefore it is widely used in various electronic products.
The touch scheme of Flexible Displays of the prior art is mostly using side that is plug-in or being integrated in external auxiliary film
Formula, is generally divided into following scheme：
The 1st, touch control layer is fitted in the mode of panel surface, this mode tends not to realize Flexible Displays thinning；
2nd, touch control layer is integrated on barrier layer (Barrier film), polaroid or cover plate (Cover lens), it is this
Although mode can thinning Flexible Displays product to a certain extent, touch control layer is integrated in into barrier layer, polaroid or lid
Higher requirement is proposed on barrier layer, polaroid or cover plate to making simultaneously on plate.
As shown in figure 1, for a kind of structural representation of the display floater with touch control layer in prior art.During Fig. 2 is Fig. 1
The sectional view in A1 '-A2 ' directions.Display floater in figure is included in the substrate 1 ' from bottom to up of z directions in figure, display layer 2 ', thin
Film encapsulated layer 3 ', polaroid 5 ' and touch control layer 4 '.Wherein, touch control layer 4 ' can be fitted on the surface of the polaroid 5 ', so
The thickness of display floater can be caused thicker, it is impossible to meet the demand of Flexible Displays.Touch control layer 4 ' can also be integrated in polaroid 5 '
On, i.e., touch control layer 4 ' is prepared by substrate of polaroid 5 ', so as to reduce the thickness of 4 ' substrate of touch control layer, but as described above, meeting
Making to polaroid proposes higher requirement.
What Fig. 1 and Fig. 2 were given herein is a kind of example of display floater in prior art.Similarly, existing other one
The structure of a little display floaters, the technology that display floater is blocked up or manufacturing technique requirent is high in substantive solution prior art are asked
Topic.
The content of the invention
For the problems of the prior art, it is an object of the invention to provide a kind of display floater, reduces display floater
Thickness, improves the bending resistance of display floater, and display floater original function layer is protected in touch control layer processing procedure from infringement.
A kind of display floater is embodiments provided, including：
Substrate；
Display layer, positioned at the side of the substrate；
Encapsulated layer, positioned at the display layer away from the side of the substrate；
Touch control layer, positioned at the encapsulated layer away from the side of the display layer；
Sealing coat, positioned at the inside of the encapsulated layer, and/or is located between the encapsulated layer and the touch control layer.
Alternatively, the sealing coat includes heat-conducting layer, the heat-conducting layer be located at the encapsulated layer inside, or be located at the encapsulated layer with
Between the touch control layer.
Alternatively, the heat-conducting layer is Nano semiconductor heat insulating coat.
Alternatively, the material of the Nano semiconductor heat insulating coat includes nano-oxide.
Alternatively, the nano-oxide is included in tin indium oxide, tin-antiomony oxide, Zinc Oxide, aluminium oxide or titanium oxide extremely
Few one kind.
Alternatively, the material of the Nano semiconductor heat insulating coat also includes resin, and the nano-oxide is scattered in the resin
In.
Alternatively, the heat conductivity of the heat-conducting layer is 100～1000W/ (m K).
Alternatively, the encapsulated layer at least includes the first film layer and the second thin layer, and the heat-conducting layer is located at the first film
Between layer and second thin layer.
Alternatively, the thickness of the heat-conducting layer is 100nm～20um.
Alternatively, the heat-conducting layer can pass through light of the wavelength for 365nm～800nm, and light of the wavelength less than 365nm is inhaled
Receive, and the light to wavelength for 800nm～2500nm reflects.
Alternatively, the sealing coat includes acid-alkali-corrosive-resisting layer, and the acid-alkali-corrosive-resisting layer is located at the touch control layer and the encapsulated layer
Between.
Alternatively, the acid-alkali-corrosive-resisting layer is to sulphuric acid, nitric acid, oxalic acid, acetum, potassium hydroxide solution and sodium hydroxide
Solution is respectively provided with corrosion resistance.
Alternatively, the material of the acid-alkali-corrosive-resisting layer includes organic material or inorganic material.
Alternatively, the organic material is politef or Kynoar, and the inorganic material is titanium dioxide or dioxy
Change zirconium.
Alternatively, the thickness of the acid-alkali-corrosive-resisting layer is 100nm～20um.
The embodiment of the present invention also provides a kind of display device, including above-mentioned display floater.
Display floater provided by the present invention and display device have following advantages：
The invention provides a kind of technical scheme that touch control layer is integrated in encapsulation layer surface, in the inside of encapsulated layer, and/
Or sealing coat is set between encapsulated layer and touch control layer, prevent the infringement of touch control layer processing procedure high temperature and/or corrosive liquid to display layer；
Such that it is able to reduce the thickness of display floater on the basis of the display and touch-control performance for ensureing display floater, display floater is improved
Bending resistance, be more suitable for flexible display apparatus.
Description of the drawings
Detailed description non-limiting example made with reference to the following drawings by reading, the further feature of the present invention,
Objects and advantages will become more apparent upon.
Fig. 1 is the structural representation of the display floater with touch control layer in prior art；
Fig. 2 is the sectional view in the A1 '-A2 ' directions of Fig. 1；
Fig. 3 is the structural representation of the display floater of one embodiment of the invention；
Fig. 4 is the sectional view in the A1-A2 directions of Fig. 3.
Fig. 5 is the sectional view of the display floater of another embodiment of the present invention.
Fig. 6 is a kind of schematic diagram of set-up mode of heat-conducting layer in display floater of the invention；
Fig. 7 is the schematic diagram of heat-conducting layer another kind set-up mode in display floater of the invention；
Fig. 8 is a kind of schematic diagram of set-up mode of acid-alkali-corrosive-resisting layer in display floater of the invention；
While arranging a kind of showing for embodiment of heat-conducting layer and acid-alkali-corrosive-resisting layer during Fig. 9 is display floater of the invention
It is intended to；
While arranging the another embodiment of heat-conducting layer and acid-alkali-corrosive-resisting layer during Figure 10 is display floater of the invention
Schematic diagram；
Figure 11 is the flow chart of the preparation method of the display floater of one embodiment of the invention；
Figure 12 is the flow chart of the preparation method of the display floater of another embodiment of the present invention.
Specific embodiment
Example embodiment is described more fully with referring now to accompanying drawing.However, example embodiment can be with various shapes
Formula is implemented, and is not understood as limited to embodiment set forth herein；Conversely, thesing embodiments are provided so that the present invention will
Fully and completely, and by the design of example embodiment comprehensively convey to those skilled in the art.In figure, identical is attached
Icon note represents same or similar structure, thus will omit repetition thereof.
As shown in figure 3, the schematic diagram of the display floater for one embodiment of the invention, as shown in figure 4, for the A1-A2 side of Fig. 3
To sectional view.Including the substrate 1 from bottom to up of the z directions in figure, display layer 2, encapsulated layer 3 and touch control layer 4.The present invention
Middle that touch control layer 4 is integrated in encapsulated layer 3 away from the surface of substrate 1, this mode can improve resistant to bending with thinning display floater
Performance.And consider that the various process meanses adopted when the surface of encapsulated layer 3 makes touch control layer 4 may be to original function
The infringement that layer is caused, is also provided with a sealing coat 5 between encapsulated layer 3 and touch control layer 4.
Further, as shown in figure 5, the sealing coat 5 of the present invention can also be arranged on the inside of encapsulated layer 3.Encapsulated layer 3 can
Including at least two levels 31,32, sealing coat 5 is arranged on the two levels 31, between 32.When encapsulated layer 3 adopts thin film
During encapsulated layer (TFE), two levels 31,32 can be respectively the first film layer 31 and the second thin layer 32.
By touch control layer 4 be integrated in encapsulated layer 3 away from substrate 1 surface when, may be to original function layer in 4 processing procedure of touch control layer
The infringement of generation mainly includes following two aspects：
(1) when 3 surface of encapsulated layer deposits touch control layer 4, sputtering mode can be typically adopted, often companion is adopted in this way
With heat generation or need certain high temperature process, and high temperature can cause damage to display layer 2, especially when display layer 2
During using OLED luminescent devices, OLED material can only typically bear 100 ° of temperature, at high temperature the life-span of OLED material can decline
Subtract；
(2), in wet method processing procedure, the acid of employing or the medicinal liquid of alkali are easy to cause damage encapsulated layer 3.
In order to prevent infringement of the high temperature to display layer 2, sealing coat 5 from can include heat-conducting layer.
As shown in fig. 6, for the present invention display floater in a kind of schematic diagram of set-up mode of heat-conducting layer.Heat-conducting layer in figure
51 are located between encapsulated layer 3 and touch control layer 4.
As shown in fig. 7, for the present invention display floater in heat-conducting layer another kind set-up mode schematic diagram.Wherein heat-conducting layer
51 inside for being arranged at encapsulated layer 3.Encapsulated layer 3 can include at least two levels 31,32, and heat-conducting layer 51 is arranged on the two
Between level 31,32.When encapsulated layer 3 adopts thin-film encapsulation layer, two levels 31,32 can be respectively 31 He of the first film layer
Second thin layer 32.
The heat conductivity of heat-conducting layer of the present invention 51 is preferably 100～1000W/ (m K).And heat-conducting layer 51 is excellent
Choosing can pass through the light of 365nm～800nm, and light of the wavelength less than 365nm is absorbed, and be 800nm～2500nm to wavelength
Light reflected, as wavelength is visible ray for 365nm～800nm, therefore heat-conducting layer 51 is being absorbed with high-energy
The display effect of display floater is not interfered with while light yet.
Heat-conducting layer of the present invention 51 can be transparent nano quasiconductor heat insulating coat, and the transparent nano quasiconductor
The material of heat insulating coat preferably includes nano-oxide.Mechanism of heat insulation：In solar spectrum, wavelength in 365nm～800nm can
Light area, its transmitance are unaffected；Ultraviolet range of the wavelength before 365nm, its absorbance are 90%；Wavelength 800～
The near infrared region of 2500nm, as the frequency of sun incident illumination is higher than the frequency of vibration of nano-oxide, causes its ion
High reflection, to be distributed in infrared band account for 43% solar energy rise reflection iris action, so as to show to solar spectrum
Selectivity.
The nano-oxide preferably includes tin indium oxide (ITO), tin-antiomony oxide (ATO), Zinc Oxide (ZnO), aluminium oxide
(Al2O3) or titanium oxide (TiO2) at least one.
Nano-oxide manufacture method：Using nano oxide powder, and by nano oxide powder and mixed with resin system
Into the solvent-borne type slurry of stable dispersion, so as to obtain nano paint, then by way of coating (coating) or printing
It is coated.
The thickness of the heat-conducting layer 51 is preferably 100nm～20um, and the value range is only one and has considered nanometer and partly lead
One obtained after the integral thickness of the heat conductivility and display floater of body heat insulating coat is preferable to provide scope.Specifically,
The thickness of heat-conducting layer 51 can be selected according to actual needs and be adjusted, and value is also possible outside this range, for example
Thinner display floater is needed, the thickness of heat-conducting layer 51 is further reduced, within protection scope of the present invention.
In order to prevent infringement of the soda acid medicinal liquid to encapsulated layer 3, sealing coat 5 from can include acid-alkali-corrosive-resisting layer.
As shown in figure 8, for the present invention display floater in a kind of schematic diagram of set-up mode of acid-alkali-corrosive-resisting layer.It is wherein resistance to
Acid and alkali corrosion layer 52 is arranged between encapsulated layer 3 and touch control layer 4, can be with wet method processing procedure in 4 forming process of effectively solving touch control layer
In the acid and alkali corrosion problem on 3 surface of encapsulated layer.
The material of this acid and alkali corrosion layer 52 can be the inorganic material of acid-alkali-corrosive-resisting, titanium oxide (TiO2), zirconium oxide
(ZrO2) etc., or organic material, politef, Kynoar etc..Specifically, acid and alkali corrosion layer 52 can be arranged
For at least one of which inorganic material layer or at least one of which organic material layer or at least one of which inorganic material layer and the organic material of at least one of which
The combination of the bed of material.And the thickness of acid-alkali-corrosive-resisting layer 52 is preferably 100nm～20um, similarly, the thickness is only a synthesis
One obtained after the integral thickness for considering acid-alkali-corrosive-resisting requirement and display floater is preferable to provide scope.Specifically,
The number of plies and thickness of acid-alkali-corrosive-resisting layer 52 can be selected according to actual needs and be adjusted, outside this range value
It is possible, for example, needs thinner display floater, further reduces the thickness of acid-alkali-corrosive-resisting layer 52, in the guarantor of the present invention
Within the scope of shield.Acid-alkali-corrosive-resisting layer 52 pairs of sulphuric acid, nitric acid, oxalic acid, acetum, potassium hydroxide solution and sodium hydroxide solution
It is respectively provided with corrosion resistance.
Further, in order to reach more preferable protected effect, the sealing coat includes heat-conducting layer and acid-alkali-corrosive-resisting layer simultaneously,
High temperature isolation is not only played to display layer 2, soda acid isolation is also played to encapsulated layer 3.
As shown in figure 9, one kind of heat-conducting layer and acid-alkali-corrosive-resisting layer is included for sealing coat in display floater of the present invention simultaneously
The schematic diagram of embodiment.Heat-conducting layer 51 is not provided only with wherein between encapsulated layer 3 and touch control layer 4, acid and alkali-resistance is additionally provided with
Corrosion layer 52.The setting order of heat-conducting layer 51 and acid-alkali-corrosive-resisting layer 52 can be changed according to actual needs.Herein, in order to
Protect heat-conducting layer 51 not corroded by soda acid medicinal liquid, acid-alkali-corrosive-resisting layer 52 is preferably provided with the top of heat-conducting layer 51.
As shown in Figure 10, be the present invention display floater in sealing coat simultaneously include the another of heat-conducting layer and acid-alkali-corrosive-resisting layer
A kind of schematic diagram of embodiment.Also heat-conducting layer 51 and acid-alkali-corrosive-resisting layer 52, the area with Fig. 9 are provided with simultaneously in display floater
It is not that heat-conducting layer 51 is arranged at the inside of encapsulated layer 3.Similarly, encapsulated layer 3 can include at least two levels 31,32, will
Heat-conducting layer 51 is arranged between the two levels 31,32.When encapsulated layer 3 adopts thin-film encapsulation layer, two levels 31,32 can be with
Respectively the first film layer 31 and the second thin layer 32.
In addition, it is necessary to illustrate, the encapsulated layer 3 in the present invention is not limited to adopt thin-film encapsulation layer, it would however also be possible to employ existing
There are other packaged types in technology.Thin-film encapsulation layer can typically adopt the structure that multiple thin layers are combined, can be according to reality
Border needs, and after arbitrary thin layer is formed wherein, is first covered by way of coating or printing on established thin layer
Lid layer of transparent nanometer heat isolation paint, forms heat-conducting layer 51, then continues formation of deposits others thin film on the heat-conducting layer 51
Layer.
The present invention also provides a kind of display device, including above-mentioned display floater, and the display device includes above-mentioned display
Panel.The display device can be the wide variety of display device such as computer monitor, mobile phone, panel computer, electron album.Adopt
With the display device of above-mentioned display floater, the different degrees of bending demand of flexible display apparatus can be met, it is adaptable to bigger rule
The popularization and application of mould.As OLED Display Techniques, therefore the display layer of the present invention are adopted flexible display apparatus in prior art more
In display device be preferably OLED display device, however, the invention is not restricted to this, also existed using other kinds of display device
Within protection scope of the present invention.
As shown in figure 11, one embodiment of the invention provides a kind of preparation method of display floater, comprises the steps：
One substrate is provided；
Display layer is formed in the side of substrate；
The first film layer is formed away from the side of substrate in display layer；
Nano semiconductor heat insulating coat is formed away from the side of display layer in the first film layer；
Nano semiconductor heat insulating coat away from the first film layer side formed the second thin layer, the first film layer with
Second thin layer constitutes encapsulated layer；
Touch control layer is formed away from the side of the display layer in encapsulated layer.
It should be noted that Nano semiconductor heat insulating coat is formed at the inside of thin-film encapsulation layer herein, the first film
Layer and the second thin layer are simply located at two-part general designation above and below Nano semiconductor heat insulating coat to thin-film encapsulation layer, and
Do not refer in particular to only one layer above or below the Nano semiconductor heat insulating coat, the first film layer and/or the second thin layer can
To include multiple different levels respectively, belong within protection scope of the present invention.
Further, after forming encapsulated layer, be further preferably included in encapsulated layer and acid and alkali-resistance formed away from the side of display layer
The process of corrosion layer, the touch control layer are formed at acid-alkali-corrosive-resisting layer away from the side of encapsulated layer.The material of the acid-alkali-corrosive-resisting layer
And structure, and formed Nano semiconductor heat insulating coat and acid-alkali-corrosive-resisting layer function it is all as described above, here is no longer gone to live in the household of one's in-laws on getting married
State.
As shown in figure 12, another embodiment of the present invention also provides a kind of preparation method of display floater, comprises the steps：
One substrate is provided；
Display layer is formed in the side of substrate；
Encapsulated layer is formed away from the side of substrate in display layer；
Nano semiconductor heat insulating coat is formed away from the side of display layer in encapsulated layer；
Touch control layer is formed away from the side of encapsulated layer in Nano semiconductor heat insulating coat.
Further, after forming Nano semiconductor heat insulating coat, also it is optionally included in the Nano semiconductor heat insulating coat back of the body
The process of acid-alkali-corrosive-resisting layer is formed from the side of encapsulated layer, the touch control layer is formed at acid-alkali-corrosive-resisting layer away from Nano semiconductor
The side of heat insulating coat.The material and structure of acid-alkali-corrosive-resisting layer, and the Nano semiconductor heat insulating coat and acid and alkali-resistance of formation
The function of corrosion layer is all as described above, will not be described here.
Nano semiconductor heat insulating coat is preferably prepared according to following method：
The powder body of nano semiconductor material and mixed with resin are made into nano paint；
Nano paint is coated into encapsulated layer away from the side of display layer；
Nano paint is solidified.
As described above, nano semiconductor material is preferably nano-oxide, and the nano-oxide preferably includes Indium sesquioxide.
At least one in stannum, tin-antiomony oxide, Zinc Oxide, aluminium oxide or titanium oxide.The characteristic of the Nano semiconductor heat insulating coat of formation
With heat conduction principle as described above, will not be described here.
To sum up, display floater provided by the present invention and display device have following advantages：
The invention provides a kind of technical scheme that touch control layer is integrated in encapsulation layer surface, in the inside of encapsulated layer, and/
Or sealing coat is set between encapsulated layer and touch control layer, prevent the infringement of touch control layer processing procedure high temperature and/or corrosive liquid to display layer；
Such that it is able to reduce the thickness of display floater on the basis of the display and touch-control performance for ensureing display floater, display floater is improved
Bending resistance, be more suitable for flexible display apparatus.
Above content is with reference to specific preferred implementation further description made for the present invention, it is impossible to assert
The present invention be embodied as be confined to these explanations.For general technical staff of the technical field of the invention,
On the premise of without departing from present inventive concept, some simple deduction or replace can also be made, should all be considered as belonging to the present invention's
Protection domain.
Claims (16)
1. a kind of display floater, it is characterised in that include：
Substrate；
Display layer, positioned at the side of the substrate；
Encapsulated layer, positioned at the display layer away from the side of the substrate；
Touch control layer, positioned at the encapsulated layer away from the side of the display layer；
Sealing coat, positioned at the inside of the encapsulated layer, and/or is located between the encapsulated layer and the touch control layer.
2. display floater according to claim 1, it is characterised in that the sealing coat includes heat-conducting layer, the heat-conducting layer
Positioned at the inside of the encapsulated layer, or it is located between the encapsulated layer and the touch control layer.
3. display floater according to claim 2, it is characterised in that the heat-conducting layer is Nano semiconductor heat insulating coat.
4. display floater according to claim 3, it is characterised in that the material of the Nano semiconductor heat insulating coat includes
Nano-oxide.
5. display floater according to claim 4, it is characterised in that the nano-oxide includes tin indium oxide, oxidation
At least one in stannum antimony, Zinc Oxide, aluminium oxide or titanium oxide.
6. display floater according to claim 4, it is characterised in that the material of the Nano semiconductor heat insulating coat is also wrapped
Resin is included, the nano-oxide is scattered in the resin.
7. display floater according to claim 2, it is characterised in that the heat conductivity of the heat-conducting layer is 100～
1000W/(m·K)。
8. display floater according to claim 2, it is characterised in that the encapsulated layer at least includes the first film layer and the
Two thin layers, the heat-conducting layer are located between the first film layer and second thin layer.
9. display floater according to claim 2, it is characterised in that the thickness of the heat-conducting layer is 100nm～20um.
10. display floater according to claim 2, it is characterised in that the heat-conducting layer can pass through wavelength be 365nm～
The light of 800nm, absorbs to light of the wavelength less than 365nm, and the light to wavelength for 800nm～2500nm reflects.
11. display floaters according to any one of claim 1 to 10, it is characterised in that the sealing coat includes acidproof
Caustic corrosion layer, the acid-alkali-corrosive-resisting layer are located between the touch control layer and the encapsulated layer.
12. display floaters according to claim 11, it is characterised in that the acid-alkali-corrosive-resisting layer is to sulphuric acid, nitric acid, grass
Acid, acetum, potassium hydroxide solution and sodium hydroxide solution are respectively provided with corrosion resistance.
13. display floaters according to claim 12, it is characterised in that the material of the acid-alkali-corrosive-resisting layer includes organic
Material or inorganic material.
14. display floaters according to claim 12, it is characterised in that the organic material is politef or poly- inclined
Fluorothene, the inorganic material are titanium dioxide or zirconium dioxide.
15. display floaters according to claim 12, it is characterised in that the thickness of the acid-alkali-corrosive-resisting layer is 100nm
～20um.
16. a kind of display devices, it is characterised in that including the display floater any one of claim 1 to 15.
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| CN106527792B (en) | 2019-09-10 |
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