CN109390499A - A kind of display panel and mobile terminal - Google Patents
A kind of display panel and mobile terminal Download PDFInfo
- Publication number
- CN109390499A CN109390499A CN201811456566.XA CN201811456566A CN109390499A CN 109390499 A CN109390499 A CN 109390499A CN 201811456566 A CN201811456566 A CN 201811456566A CN 109390499 A CN109390499 A CN 109390499A
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- layer
- water oxygen
- display
- display panel
- oxygen barrier
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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
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/844—Encapsulations
- H10K50/8445—Encapsulations multilayered coatings having a repetitive structure, e.g. having multiple organic-inorganic bilayers
Abstract
The present invention provides a kind of display panel and mobile terminals, solve the problem of water oxygen enters display panel, OLED device is caused to be damaged from substrate side.It include: display luminescent layer；The side of the display luminescent layer is arranged in substrate；And the first water oxygen barrier layer, side of the substrate far from the display luminescent layer is set, wherein the material of the first water oxygen barrier layer is inorganic matter.
Description
Technical field
The present invention relates to field of display technology, and in particular to a kind of display panel and mobile terminal.
Background technique
Currently, in display equipment, active matrix organic light-emitting diode (Organic light emitting diode)
The hot spot used is pursued as high-end intellectual product instantly.Since flexible active matrix organic light emitting diode and most mobile phones make
Conventional liquid crystal is compared, and has broader visual angle, higher refresh rate and thinner size, thus improves vision
Experience, improves service speed, alleviates mobile phone weight.Generally, flexible active matrix organic light emitting diode mould group uses
Thin film encapsulation processes enhance water and oxygen barrier property, but water oxygen can not only enter above OLED device luminescent layer, simultaneously also
It can enter from the bottom surface of substrate, and substrate does not have water-resisting ability simultaneously and has water absorption character, the water entered from substrate bottom surface
Oxygen easily generates damage to OLED device, influences the service life of display panel.
Summary of the invention
In view of this, solving water oxygen the present invention provides a kind of display panel and mobile terminal and entering from substrate side
Display panel, the problem of causing OLED device to be damaged.
A kind of display panel and mobile terminal that one embodiment of the invention provides include: display luminescent layer；Substrate, setting exist
The side of the display luminescent layer；And the first water oxygen barrier layer, one of the substrate far from the display luminescent layer is set
Side, wherein the material of the first water oxygen barrier layer is inorganic matter.
In one embodiment, the inorganic matter is one of following material or a variety of: the oxygen of the nitride of silicon, silicon
Compound, aluminium, titanium, aluminium oxide and titanyl compound.
In one embodiment, further comprise driving layer, be arranged between the display luminescent layer and the substrate,
It is configured to that the display luminescent layer is driven to issue display light.
In one embodiment, further comprise the second water oxygen barrier layer, be arranged in the driving layer and the substrate
Between.
In one embodiment, the second water oxygen barrier layer include at least one silicon nitride layer and/or at least one
Silicon oxide layer.
In one embodiment, the second water oxygen barrier layer include multiple alternately stacked silicon nitride layers and/
Or silicon oxide layer.
In one embodiment, the first water oxygen barrier layer has recessed close to a side surface of the display luminescent layer
Slot structure；And/or the second water oxygen barrier layer has the groove structure close to a side surface of the substrate.
In one embodiment, the shape of the groove structure is one of following shape or a variety of combinations: half
Spherical, cube and quadrangular.
In one embodiment, the material of the substrate is polyimides.
In one embodiment, further comprise: being stacked gradually along the display light emission direction of the display panel thin
Film encapsulated layer, layer of polarizer, touch control layer and cover layer.
A kind of mobile terminal, including display panel described in the claims 10.
A kind of display panel and mobile terminal provided in an embodiment of the present invention, the display panel include display luminescent layer, base
Plate and the first water oxygen barrier layer.The effect for showing luminescent layer is to issue display light.The side of display luminescent layer, structure is arranged in substrate
It makes and shows luminescent layer for support.Side of the substrate far from display luminescent layer, the barrier of the first water oxygen is arranged in first water oxygen barrier layer
The effect of layer is that barrier water oxygen enters display panel, and then causes to show luminescent layer failure, influences the display effect of display panel.
Since side of the substrate far from display luminescent layer is arranged in the first water oxygen barrier layer, so the first water oxygen barrier layer can prevent base
Plate far from display luminescent layer side water oxygen invasion, solve water oxygen from substrate far from display luminescent layer side enter cause to show
The problem of showing luminescent layer failure.
Detailed description of the invention
Fig. 1 show a kind of structural schematic diagram of display panel of one embodiment of the invention offer.
Fig. 2 show a kind of structural schematic diagram of display panel of one embodiment of the invention offer.
Fig. 3 show a kind of structural schematic diagram of display panel of one embodiment of the invention offer.
Fig. 4 show the structural schematic diagram of one kind the second water oxygen barrier layer of one embodiment of the invention offer.
Fig. 5 show the structural schematic diagram of one kind the second water oxygen barrier layer of one embodiment of the invention offer.
Fig. 6 show a kind of structural schematic diagram of groove structure of one embodiment of the invention offer.
Fig. 7 show a kind of structural schematic diagram of groove structure of one embodiment of the invention offer.
Fig. 8 show a kind of structural schematic diagram of groove structure of one embodiment of the invention offer.
Fig. 9 show a kind of structural schematic diagram of the shape of groove structure of one embodiment of the invention offer.
Figure 10 show a kind of structural schematic diagram of the shape of groove structure of one embodiment of the invention offer.
Figure 11 show a kind of structural schematic diagram of the shape of groove structure of one embodiment of the invention offer.
Figure 12 show a kind of structural schematic diagram of display panel of one embodiment of the invention offer.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that the described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on this
Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
Fig. 1 show a kind of structural schematic diagram of display panel of one embodiment of the invention offer.
As shown in Figure 1, the display panel includes display luminescent layer 1, substrate 2 and the first water oxygen barrier layer 3.Show luminescent layer
1 effect is to issue display light.The side of display luminescent layer 1 is arranged in substrate 2, is configured to support display luminescent layer 1.First water
Side of the substrate 2 far from display luminescent layer 1 is arranged in oxygen barrier layer 3, and the effect of the first water oxygen barrier layer 3 is that barrier water oxygen enters
Display panel, and then cause to show that luminescent layer 1 fails, the display effect of display panel is influenced, wherein the first water oxygen barrier layer 3
Material is inorganic matter, which includes simple substance and inorganic oxide.Since the setting of the first water oxygen barrier layer 3 is separate in substrate 2
The side of luminescent layer 1 is shown, so the first water oxygen barrier layer 3 can prevent substrate 2 far from the water oxygen of display 1 side of luminescent layer
Invasion, solving the problems, such as that water oxygen enters from substrate 2 far from display 1 side of luminescent layer leads to show that luminescent layer 1 fails.
It it is appreciated that display luminescent layer 1 may include OLED device, or may include LED component etc., shine meeting display
Under the premise of layer 1 can issue display light, the specific luminescent device that the present invention includes to display luminescent layer 1 is not construed as limiting.
It is further appreciated that the material of substrate 2 can be the materials such as polyimides, graphene or polyethylene naphthalate
Matter, the present invention are not construed as limiting the specific material of substrate 2.
In one embodiment of the invention, the material for constituting the first water oxygen barrier layer 3 can be inorganic matter, which can be simple substance
With one of inorganic compound or a variety of.Simple substance can be metal simple-substance, and metal simple-substance can be the metals such as aluminium or titanium.Inorganic chemical
Object may include silicate, metal oxide, and metal oxide can be the oxide of aluminium or titanyl compound etc., and inorganic compound is also
It may include nitride or the oxide of silicon etc. of silicon.Inorganic matter can prevent water oxygen from entering as the material of the first water oxygen barrier layer 3
It invades display luminescent layer 1 and leads to the problem of the failure that shines.Due to the easy adsorption electrostatic in the surface of substrate 2 to make display panel have
The problem of image retains, generates, when the material of the first water oxygen barrier layer 3 is metal simple-substance or metal oxide, and the metal list
First water oxygen barrier layer 3 of matter or metal oxide composition is set to side of the substrate 2 far from display luminescent layer 1, can be effective
Avoid the problem that Electrostatic Absorption on a substrate 2 and generate image reservation, improve the service life of display panel.First water oxygen
The material of barrier layer 3 can also be nano paint, the nano paint be using nanotechnology, under the action of catalyst by silicate and
What silica was formulated, surface then is carried out using particle of the silane coupling agent to the nano paint and is modified to group, so
The assembling for carrying out different sized particles by the reaction between the modified group in surface afterwards, obtains the roughness of Nano grade, mould
The hydrophobic self-cleaning surface of quasi- lotus leaf, forms molecular film chain.There is hydrophobic property by the nano paint that the above method is formed, prevent
The inside of water oxygen intrusion display panel.
It is appreciated that the material of the first barrier layer is one of following material or a variety of: the oxidation of the nitride, silicon of silicon
Object, aluminium, titanium, aluminium oxide and titanyl compound, the material of the first barrier layer can also be other materials, can guarantee
For first barrier layer under the premise of preventing water oxygen invasive characteristics, the present invention is not construed as limiting the specific material of the first barrier layer.
Fig. 2 show a kind of structural schematic diagram of display panel of one embodiment of the invention offer.
As shown in Fig. 2, the display panel further includes driving layer 4, setting is between display luminescent layer 1 and substrate 2, the driving
The effect of layer 4 is that driving display luminescent layer 1 issues display light.Driving layer 4 includes the drive that driving display luminescent layer 1 issues display light
Dynamic circuit leads to the service life reduction of driving circuit, therefore in substrate since the invasion of water oxygen also can generate damage to driving circuit
The first water oxygen barrier layer 3, which is arranged, in 2 sides far from display luminescent layer 1 prevents the invasion of water oxygen, also can be reduced water oxygen to driving layer 4
Damage, improve driving layer 4 service life.
It it is appreciated that driving layer 4 may include thin film transistor (TFT), may also include other electronic devices etc., drive layer 4 meeting
Under the premise of display luminescent layer 1 can be driven to issue display light, the present invention specifically includes which kind of electronic device is not made to driving layer 4
It limits.
Fig. 3 show a kind of structural schematic diagram of display panel of one embodiment of the invention offer.
As shown in figure 3, the display panel includes the second water oxygen barrier layer 5, the second water oxygen barrier layer 5 setting is in driving layer
Between 4 and substrate 2, the effect of the second water oxygen barrier layer 5 is to absorb or obstruct water oxygen.The is arranged between driving layer 4 and substrate 2
Two water oxygen barrier layers 5, can further prevent due to the first water oxygen barrier layer 3 is not prevent completely and enter substrate 2 steam
And oxygen extends the service life of display panel to preferably improve water oxygen rejection rate.
It is appreciated that the material of the second water oxygen barrier layer 5 can be identical with the material of the first barrier layer, it can also be with first
The material of barrier layer is not identical, can guarantee characteristic of the second water oxygen barrier layer 5 with barrier water oxygen, and do not influence display surface
Under the premise of the display effect of plate, the present invention is not construed as limiting the specific material of the second water oxygen barrier layer 5.
Fig. 4 show the structural schematic diagram of the second water oxygen of one kind barrier layer 5 of one embodiment of the invention offer.
As shown in figure 4, the second water oxygen barrier layer 5 includes at least one silicon nitride layer 51 and/or at least one silicon oxide layer
52.First water oxygen barrier layer 3 and the second water oxygen barrier layer 5 are separately positioned on the two sides of substrate 2, when the first water oxygen barrier layer 3
Material be also silicon nitride and silicon oxide when, the first water oxygen barrier layer 3 and the second water oxygen barrier layer 5 can be in substrates 2
Two sides formed Stress match, prevent substrate 2 due to exposure in air occur warpage and generate the first water oxygen barrier layer 3 or the
The fracture of two water oxygen barrier layers 5, the problem of making water oxygen enter display panel from breaking part.It is appreciated that when display panel only wraps
When including the first water oxygen barrier layer 3, due to the effect of stress, substrate 2 can be to the side close to display luminescent layer 1 or far from display hair
The side warpage of photosphere 1；When display panel only includes the second water oxygen barrier layer 5, due to the effect of stress, substrate 2 can Xiang Yuan
Side from display luminescent layer 1 or the side warpage close to display luminescent layer 1；When display panel includes the barrier of the first water oxygen simultaneously
When layer 3 and the second water oxygen barrier layer 5, the first water oxygen barrier layer 3 and the second water oxygen barrier layer 5 can form Stress match, prevent
The only warpage of substrate 2.
It is appreciated that the second water oxygen barrier layer 5 can only include one layer of silicon nitride layer 51, or only include one layer of silicon oxide layer
52, it perhaps include multiple silicon nitride layers 51 and multiple oxygen including one layer of silicon nitride layer 51 and one layer of silicon oxide layer 52 or simultaneously
Situations such as SiClx layer 52, the present invention are not construed as limiting the number of plies of silicon nitride and silica that the second water oxygen barrier layer 5 specifically includes.
Fig. 5 show the structural schematic diagram of the second water oxygen of one kind barrier layer 5 of one embodiment of the invention offer.
As shown in figure 5, the second water oxygen barrier layer 5 may include multiple silicon nitride layers 51 and multiple silicon oxide layers 52, wherein more
A silicon nitride layer 51 and multiple silicon oxide layers 52 can be in alternately stacked arrangements；It can also include multiple silicon nitride layers 51 or multiple
Silicon oxide layer 52.Multiple silicon nitride layers 51 and/or the alternately laminated arrangement of multiple silicon oxide layers 52, can repeatedly absorb the water of invasion
Oxygen, therefore the entrance of water oxygen can be preferably prevented, the second water oxygen barrier layer 5 is improved to the rejection rate of water oxygen.
It is appreciated that multiple silicon nitride layers 51 and multiple silicon oxide layers 52 can also be in others in alternately stacked arrangement
Mode is arranged, and the present invention is not construed as limiting the arrangement mode of multiple silicon nitride layers 51 and multiple silicon oxide layers 52.
Fig. 6 show a kind of structural schematic diagram of groove structure of one embodiment of the invention offer.Fig. 7 show the present invention
A kind of structural schematic diagram for groove structure that one embodiment provides.Fig. 8 show a kind of groove of one embodiment of the invention offer
The structural schematic diagram of structure.Fig. 9 show a kind of structural schematic diagram of the shape of groove structure of one embodiment of the invention offer.
Figure 10 show a kind of structural schematic diagram of the shape of groove structure of one embodiment of the invention offer.Figure 11 show the present invention
A kind of structural schematic diagram of the shape for groove structure that one embodiment provides.
As shown in Fig. 6~Figure 11, the first water oxygen barrier layer 3 can have groove knot close to a side surface of display luminescent layer 1
Structure (as shown in Figure 6) or the second water oxygen barrier layer 5 can have groove structure (such as Fig. 7 institute close to a side surface of substrate 2
Show) or the first water oxygen barrier layer 3 close to a side surface of display luminescent layer 1 and the second water oxygen barrier layer 5 close to substrate 2
It one side surface can specific groove structure (as shown in Figure 8) simultaneously.When the first water oxygen barrier layer 3 is close to the side of display luminescent layer 1
When surface has groove structure, the surface that substrate 2 is in contact with the first water oxygen barrier layer 3 has bulge-structure, protrusions knot
Structure is filled in groove structure.When the second water oxygen barrier layer 5 close to a side surface of substrate 2 have groove structure when, substrate 2 with
The surface that second water oxygen barrier layer 5 is in contact has bulge-structure, and relief structure is filled in groove structure.Groove structure
It can be multiple with bulge-structure.Multiple groove structures are capable of increasing the surface of the first water oxygen barrier layer 3 or the second water oxygen barrier layer 5
Product, the surface area for increasing the first water oxygen barrier layer 3 or the second water oxygen barrier layer 5 can increase the intrusion path of water oxygen, to drop
Low water oxygen intrudes into the probability of display luminescent layer 1, therefore improves the ability of display panel barrier water oxygen.
It is appreciated that the groove structure shape can for hemispherical (as shown in Figure 10), cube (as shown in Figure 9) or
Quadrangular (as shown in figure 11) etc., the present invention is not construed as limiting the concrete shape of groove structure.
It is further appreciated that the first water oxygen barrier layer 3 and the second water oxygen barrier layer 5 can have groove structure, it can also be flat
Planar structure etc., whether the present invention there is groove structure not limit the first water oxygen barrier layer 3 and the second water oxygen barrier layer 5
It is fixed.
Figure 12 show a kind of structural schematic diagram of display panel of one embodiment of the invention offer.
As shown in figure 12, which further includes thin-film encapsulation layer 6, layer of polarizer 7, touch control layer 8 and cover board 9, film
Encapsulated layer 6, layer of polarizer 7, touch control layer 8 and cover board 9 stack gradually arrangement along the light emission direction, and light emission direction refers to display surface
Plate issues the direction of the light of display light.Side of the display luminescent layer 1 far from driving layer 4 is arranged in thin-film encapsulation layer 6, acts on and is
Protection display luminescent layer 1, wherein thin-film encapsulation layer 6 is completely covered on display luminescent layer 1.The setting of layer of polarizer 7 is sealed in film
Side of the layer 6 far from display luminescent layer 1 is filled, is acted on to improve display effect.Touch control layer 8 is arranged in layer of polarizer 7 far from film
The side of encapsulated layer 6 acts on the touch function to realize display panel.Touch control layer 8 is arranged in far from layer of polarizer 7 in cover board 9
Side acts on as functional layers such as protective film encapsulated layer, layer of polarizer 7, touch control layer 8, display luminescent layer 1 and driving layers 4.
It is appreciated that the material of cover board 9 can be glass or other materials etc., specific material of the present invention to cover board 9
It is not construed as limiting.
It is further appreciated that this display panel may include layer of polarizer 7, but it is some do not need polaroid be both able to achieve it is aobvious
Layer of polarizer 7 can also not had by showing in the display panel of function；This display panel may include touch control layer 8, but not need some
Can also there is no touch control layer 8 in the display panel of touch function.Whether the present invention includes layer of polarizer 7 and touch-control to display panel
Layer 8 is not construed as limiting.
In one embodiment of the invention, mobile terminal includes any display panel in above-described embodiment.The display panel packet
Include display luminescent layer 1, substrate 2 and the first water oxygen barrier layer 3.The effect for showing luminescent layer 1 is to issue display light.Substrate 2 is arranged
In the side of display luminescent layer 1, it is configured to support display luminescent layer 1.The setting of first water oxygen barrier layer 3 is in substrate 2 far from display
The side of luminescent layer 1, the effect of the first water oxygen barrier layer 3 are that barrier water oxygen enters display panel, and then causes to show luminescent layer 1
Interior electronic device failure, influences the display effect of display panel, wherein the material of the first water oxygen barrier layer 3 is inorganic matter, the nothing
Machine object includes simple substance and inorganic oxide.Since side of the substrate 2 far from display luminescent layer 1 is arranged in the first water oxygen barrier layer 3,
So the first water oxygen barrier layer 3 can prevent substrate 2 far from display 1 side of luminescent layer water oxygen invasion, solve water oxygen from
Substrate 2 enters the problem of leading to show electronic device failure in luminescent layer 1 far from display 1 side of luminescent layer.
It is appreciated that the mobile terminal may include the equipment such as mobile phone, computer or e-book, the present invention is to the mobile terminal
Concrete type is not construed as limiting.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, made any modification, equivalent replacement etc. be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of display panel characterized by comprising
Show luminescent layer；
The side of the display luminescent layer is arranged in substrate；And
Side of the substrate far from the display luminescent layer is arranged in, wherein first water oxygen hinders in first water oxygen barrier layer
The material of interlayer is inorganic matter.
2. display panel according to claim 1, which is characterized in that the inorganic matter is one of following material or more
Kind: silicate, the nitride of silicon, the oxide of silicon, aluminium, titanium, aluminium oxide and titanyl compound.
3. display panel according to claim 1, which is characterized in that further comprise driving layer, be arranged in the display
Between luminescent layer and the substrate, it is configured to that the display luminescent layer is driven to issue display light.
4. display panel according to claim 3, which is characterized in that further comprise the second water oxygen barrier layer, setting exists
Between the driving layer and the substrate.
5. display panel according to claim 4, which is characterized in that the second water oxygen barrier layer includes at least one nitrogen
SiClx layer and/or at least one silicon oxide layer.
6. display panel according to claim 5, which is characterized in that the second water oxygen barrier layer includes multiple alternating layers
The folded silicon nitride layer and/or silicon oxide layer.
7. display panel according to claim 4, which is characterized in that the first water oxygen barrier layer is sent out close to the display
One side surface of photosphere has groove structure；And/or
The second water oxygen barrier layer has groove structure close to a side surface of the substrate.
8. display panel according to claim 7, which is characterized in that the shape of the groove structure is in following shape
One or more combination: hemispherical, cube and quadrangular.
9. display panel according to claim 1, which is characterized in that the material of the substrate is polyimides.
10. a kind of mobile terminal, which is characterized in that including display panel described in the claims 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811456566.XA CN109390499A (en) | 2018-11-30 | 2018-11-30 | A kind of display panel and mobile terminal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811456566.XA CN109390499A (en) | 2018-11-30 | 2018-11-30 | A kind of display panel and mobile terminal |
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| CN201811456566.XA Pending CN109390499A (en) | 2018-11-30 | 2018-11-30 | A kind of display panel and mobile terminal |
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Cited By (1)
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| WO2021031520A1 (en) * | 2019-08-16 | 2021-02-25 | 武汉华星光电半导体显示技术有限公司 | Oled display panel and oled display apparatus |
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Application publication date: 20190226 |