CN106711346B - Display device - Google Patents
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- CN106711346B CN106711346B CN201610984607.7A CN201610984607A CN106711346B CN 106711346 B CN106711346 B CN 106711346B CN 201610984607 A CN201610984607 A CN 201610984607A CN 106711346 B CN106711346 B CN 106711346B
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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
- H10K50/841—Self-supporting sealing arrangements
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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
- H10K50/842—Containers
- H10K50/8426—Peripheral sealing arrangements, e.g. adhesives, sealants
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/844—Encapsulations
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- Optics & Photonics (AREA)
- Electroluminescent Light Sources (AREA)
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Abstract
The present invention proposes a kind of display device.Display device includes a first substrate, a second substrate, one first barrier layer, one second barrier layer, a display medium and a metal enclosure wall (metal enclosing wall).First barrier layer is set in the second substrate, and the second barrier layer is set on first substrate, and display medium is set between the first barrier layer and the second barrier layer.Metal enclosure wall is set between first substrate and the second substrate, and metal enclosure wall surrounds display medium.Metal enclosure wall includes a first metal layer, a second metal layer and a third metal layer.The first metal layer is located on the second barrier layer, and the first metal layer has multiple first openings.Second metal layer is located on the first barrier layer.Third metal layer is formed between the first metal layer and second metal layer.
Description
Technical field
The invention relates to a kind of display devices, and in particular to a kind of display with the oxygen effect that well blocks water
Device.
Background technique
With the progress of display science and technology, various display quickly develops.Wherein, organic light emitting diode display has become
For one of the research emphasis of display science and technology.Thus, by research that Organic Light Emitting Diode is set in flexible display with set
Meter is also fast-developing.
However, Organic Light Emitting Diode is highly susceptible to the influence of aqueous vapor (moisture) and oxygen and aoxidizes, and then influence it
Operational function.In addition, the bendable demand based on display, is not easy using the instrument bezel with the oxygen effect that well blocks water
Glue (frit) is used as barrier.Therefore, it is suitable that the research of the oxygen that blocks water of bendable organic light emitting diode display, which becomes,
Big challenge.Therefore, how a kind of bendable organic light emitting diode display with the oxygen function that well blocks water is provided, is phase
Close one of the project that dealer makes great efforts.
Summary of the invention
The present invention proposes a kind of display device.In display device, metal enclosure wall is located between two substrates and around display
Medium forms the oxide structure that blocks water of side surface direction, and collocation is located at the barrier layer of display medium upper and lower, and can substantially mention
The gas effect that blocks water of high entirety display device.
An embodiment according to the present invention, proposes a kind of display device.Display device includes a first substrate, one second base
Plate, one first barrier layer, one second barrier layer, a display medium and a metal enclosure wall (metal enclosing wall).
First barrier layer is set in the second substrate, and the second barrier layer is set on first substrate, and display medium is set to the first barrier
Between layer and the second barrier layer.Metal enclosure wall is set between first substrate and the second substrate, and metal enclosure wall surrounds display medium.
Metal enclosure wall includes a first metal layer, a second metal layer and a third metal layer.The first metal layer is located at the second barrier layer
On, the first metal layer has multiple first openings.Second metal layer is located on the first barrier layer.Third metal layer is formed in first
Between metal layer and second metal layer.
According to another embodiment of the present invention, a kind of display device is proposed.Display device includes a first substrate, one second
Substrate, one first barrier layer, one second barrier layer, a display medium and a metal enclosure wall.First barrier layer is set to second
On substrate, the second barrier layer is set on first substrate, and display medium is set between the first barrier layer and the second barrier layer.Gold
Belong to enclosure wall to be set between first substrate and the second substrate, metal enclosure wall surrounds display medium.Metal enclosure wall includes one first gold medal
Belong to layer, a second metal layer, a third metal layer and one first Eutectic Layer (cocrystallization layer).First gold medal
Belong to layer to be located on the second barrier layer, second metal layer is located on the first barrier layer.Third metal layer be formed in the first metal layer and
Between second metal layer.First Eutectic Layer is formed between the first metal layer and third metal layer.
Detailed description of the invention
For the above objects, features and advantages of the present invention can be clearer and more comprehensible, below in conjunction with attached drawing to tool of the invention
Body embodiment elaborates, in which:
Figure 1A is painted the top view of display device according to an embodiment of the invention.
Figure 1B is painted Figure 1A along the diagrammatic cross-section of hatching 1B-1B '.
Fig. 2 is painted the local top view of the first metal layer according to an embodiment of the invention and second metal layer.
Fig. 3 A is painted Fig. 2 along the diagrammatic cross-section of hatching 2-2 '.
Fig. 3 B~3D is painted diagrammatic cross-section according to some embodiments of the invention.
Fig. 4 A is painted the top view of display device according to another embodiment of the present invention.
Fig. 4 B is painted Fig. 4 A along the diagrammatic cross-section of hatching 4B-4B '.
Fig. 5 is painted the schematic diagram of display device according to yet another embodiment of the invention.
Fig. 6 is painted the schematic diagram of the display device of another embodiment according to the present invention.
Fig. 7 is painted the more schematic diagram of the display device of an embodiment according to the present invention.
Component label instructions are as follows in figure:
100,200,300,400,500: display device
110: the second substrate
120: the first barrier layers
130: first substrate
140: the second barrier layers
150: display medium
160: metal enclosure wall
161: the first metal layer
161-1,161-2: the first opening
162: the first Eutectic Layers
163: second metal layer
163-1,163-2: the second opening
164: the second Eutectic Layers
165: third metal layer
170: third barrier layer
170e: outer ledge
180: filler
191: colored filter
193: tft layer
195: fan-out structure
195-1: third opening
197: insulator
310: integrated circuit component
320: flexible flat cable
330: welded gasket
340: packaging plastic
350: the first functional membranes
360: the second functional membranes
370,380: inorganic barrier layer
1B-1B ', 2-2 ', 4B-4B ': hatching
D1, D1-1, D2, D2-1: bore
T1: thickness
W1, W2: sectional width
Specific embodiment
According to an embodiment of the invention, proposing a kind of display device.In display device, metal enclosure wall be located at two substrates it
Between and surround display medium, form the oxide structure that blocks water of side surface direction, collocation is located at the barrier layer of display medium upper and lower,
And the gas effect that blocks water of whole display device can be greatly improved.However, embodiment can't limit only to illustrate as example
Contract the range of the invention to be protected.In addition, the attached drawing in embodiment is the element that clipped is wanted, it is of the invention to clearly show that
Technical characterstic.
Figure 1A~1B is please referred to, Figure 1A is painted the top view of display device according to an embodiment of the invention, and Figure 1B is painted
Diagrammatic cross-section of the Figure 1A along hatching 1B-1B '.As shown in Figure 1A~1B, display device 100 includes a first substrate 130, one
The second substrate 110, one first barrier layer 120, one second barrier layer 140, a display medium 150 and a metal enclosure wall (metal
enclosing wall)160.First barrier layer 120 is set in the second substrate 110, and the second barrier layer 140 is set to the first base
On plate 130, display medium 150 is set between the first barrier layer 120 and the second barrier layer 140.Metal enclosure wall 160 is set to
Between one substrate 130 and the second substrate 110, metal enclosure wall 160 surrounds display medium 150, therefore can seal display medium 150
Between first substrate 130 and the second substrate 110.
In the embodiment of the present invention, display medium 150 can be an organic light-emitting diode element or a liquid crystal layer, and show
Showing device 100 can be an organic LED display device or a liquid crystal display device.However display medium of the invention
Type can be selected depending on actual needs, without being limited with above-mentioned.
As shown in Figure 1A~1B, metal enclosure wall 160 includes a first metal layer 161, a second metal layer 163 and a third
Metal layer 165.The first metal layer 161 is located on the second barrier layer 140, and the first metal layer 161 has one first opening 161-1.
Second metal layer 163 is located on the first barrier layer 120.Third metal layer 165 is formed in the first metal layer 161 and second metal layer
Between 163.
As shown in Figure 1A~1B, the second substrate 110 and 130 pairs of groups of first substrate, metal enclosure wall 160 is around display medium
150, and form the oxide structure that blocks water of side surface direction.Collocation is located at the first barrier layer of 150 following above and of display medium
120 and second barrier layer 140, so that display device is capable of providing with 10-6Aqueous vapor penetrance (WVTR) the oxygen effect that blocks water.
In embodiment, as shown in Figure 1A, metal enclosure wall 160 has about 540~660 microns of a thickness T1 (μm), and for example, this is thick
Degree T1 can be about 600 microns.
In embodiment, the material of first substrate 130 and the second substrate 110 is, for example, bendable transparent substrate and has thickness
About 10~15 microns, material is, for example, polyimide (PI), and thickness is about 10~15 microns.In embodiment, the first barrier
Layer 120 and the second barrier layer 140 can be independently such as stack layer of silicon nitride (SiN) or silicon nitride and silica respectively
(SiNx/SiOx), there is the oxygen effect that blocks water.
As shown in Figure 1B, display device 100 more may include a third barrier layer 170, and third barrier layer 170 is formed in display
On medium 150 and coat display medium 150.Third barrier layer 170 has the oxygen effect that blocks water, and helps to prevent display medium 150
It is influenced and is aoxidized by aqueous vapor and oxygen.Third barrier layer 170 is, for example, the stack layer of silicon nitride or silicon nitride and silica.
As shown in Figure 1B, display device 100 more may include a filler 180.Filler 180 is filled in metal enclosure wall
In 160 and cover display medium 150.In some embodiments, filler 180 has multiple hydrophilic functional groups adjacent to first
Barrier layer 120 and the second barrier layer 140, filler 180 have multiple hydrophobicity functional groups adjacent to display medium 150.Such as
This one, hydrophilic functional group make filler 180 have between barrier layer 120/140 have preferable followability, and
Hydrophobicity functional group can provide the oxygen ability that more preferably blocks water for display medium 150.
In embodiment, as shown in Figure 1A~1B, the first metal layer 161 can have multiple first opening 161-1.In processing procedure
In, when applying laser from first substrate side with heat cure metal enclosure wall 160, these first opening 161-1 make laser beam can be with
The material of third metal layer 165 under arrival the first metal layer 161.
In embodiment, as shown in Figure 1B, second metal layer 163 has at least one second opening 163-1.In embodiment, such as
Shown in Figure 1B, second metal layer 163 can have multiple second opening 163-1.
In embodiment, as shown in Figure 1A~1B, display device 100 more may include a colored filter 191 and/or a film
Transistor layer 193 and one is fanned out to (fan-out) structure 195.Tft layer 193 is set to the first barrier layer 120 and display
Between medium 150.Fan-out structure 195 is set between the second substrate 110 and second metal layer 163.Fan-out structure 195 is by one
Insulator 197 and be electrically insulated with second metal layer 163.In one embodiment, as shown in Figure 1B, display medium 150 is e.g. white
Light Organic Light Emitting Diode, colored filter 191 are set between first substrate 130 and display medium 150.Another embodiment
In, display medium 150 is, for example, RGB (RGB) Organic Light Emitting Diode, and display device can then be not provided with colored filter
Between first substrate 130 and display medium 150.
In embodiment, a material of the first metal layer 161 and a material of second metal layer 163 can respectively include copper.It is real
It applies in example, the thickness of the first metal layer 161 and the thickness of second metal layer 163 are, for example, 300~1000 nanometers (nm) respectively.
In some embodiments, a material of third metal layer may include a metal, this metal meets the following conditions:
1<RPB< 2, wherein RPB=(Moxide*ρmetal)/(n*Mmetal*ρoxide), MmetalThe atomic weight of metal thus, Moxide
The molecular weight of a metal oxide of metal thus, ρmetalThe density of metal thus, ρoxideThe metal oxide of metal thus
Density, the n atom number in the individual molecule of the metal oxide of metal thus.
Above formula can be rewritten are as follows: RPB=(Voxide/(Vmetal), wherein VmetalThe molecular volume of metal thus
(molar volume), VoxideThe molecular volume of the metal oxide of metal thus.
In embodiment, when the metal material of the third metal layer 165 of metal enclosure wall 160 is aoxidized by water/oxygen, due to oxidation
Reaction starts from the surface of metal layer, therefore will form one layer of metal oxide washcoat on the surface of metal layer.Work as RPB< 1, metal
Oxide coating can be too thin, and metal oxide washcoat is caused to be easy to fracture or break up and can not provide protecting effect or barrier effect
Fruit.On the other hand, work as RPB> 2, the structure of metal oxide washcoat broken can may loosely be fallen very much, and can not provide protection effect
Fruit or barrier effect.According to an embodiment of the invention, the metal for making third metal layer 165 meets 1 < RPB< 2 condition,
Therefore when third metal layer 165 is oxidized from outer surface, the metal oxide washcoat for being formed in outer surface is enough thick also enough close,
Therefore protection and barrier effect can be provided.
The selection for meeting the metal of above-mentioned condition is presented in table 1, and metal listed by table 1 can be used as production third metal layer
165 material.
Table 1
As shown in Figure 1B, display device 100 more may include a flexible flat cable 320 and a welded gasket 330.As shown in Figure 1B
In embodiment, flexible flat cable 320 is engaged in fan-out structure 195 via welded gasket 330.
Fig. 2 is painted the local top view of the first metal layer according to an embodiment of the invention and second metal layer, and Fig. 3 A is drawn
Diagrammatic cross-section of the diagram 2 along hatching 2-2 '.Element identical with previous embodiment is to continue to use same member in the present embodiment
Part label, and the related description of similar elements please refers to aforementioned, details are not described herein.
As shown in fig. 2 and fig. 3 a, some parts with sectional width W1 of the first metal layer 161 are multiple flanks
(rib) and the lattice (grid pattern) with multiple first opening 161-1 is formed, second metal layer 163 has
The some parts of sectional width W2 are multiple flanks and form the lattice with multiple second opening 163-1.
In some embodiments, as shown in Fig. 2, the sectional width W1 of a flank of the first metal layer 161 is less than the second metal
The sectional width W2 of one flank of layer 163.The bore D1 of first opening 161-1 is greater than the bore D2 of the second opening 163-1.This reality
It applies in example, sectional width W1 is, for example, about 10 ± 1 microns, and the bore D1 of the first opening 161-1 is, for example, about 50 ± 5 micro-
Rice, sectional width W2 are, for example, about 30 ± 3 microns, and the bore D2 of the second opening 163-1 is, for example, about 30 ± 3 microns.This
In embodiment, as shown in Figure 3A, the unit area light transmittance of the first metal layer 161 is about 66%.
Further, in embodiment, as shown in Figure 3A, there are fan-out structure 195 multiple thirds to be open 195-1, these the
Three opening 195-1 are located at the lower of the second opening 163-1 of second metal layer 163 and correspond to these second opening 163-1.This reality
It applies in example, fan-out structure 195 can have a pattern substantially the same with second metal layer 163, for example, fan-out structure
195 can have a lattice comprising multiple thirds opening 195-1.In other words, fan-out structure 195 is not exposed to the second gold medal
Except the second opening 163-1 for belonging to layer 163.In this way, apply laser from first substrate side with heat cure metal enclosure wall 160
When, matched second opening 163-1 and third opening 195-1 make laser heating third metal layer 165 without by any sudden and violent
The metal layer (e.g. fan-out structure 195) exposed is reflected, thus the heating efficiency of laser beam can be well controllled.
Fig. 3 B~3D is painted the example diagrammatic cross-section of some implementations according to the present invention, wherein the first gold medal according to Fig. 3 A is presented
Belong to some variation aspects of layer and second metal layer.Element identical with previous embodiment is to continue to use same member in the present embodiment
Part label, and the related description of similar elements please refers to aforementioned, details are not described herein.
In the present embodiment, structure as shown in Figure 3B has a lattice, and pattern is similar to knot as shown in Figure 3A
The lattice of structure.In the present embodiment, some parts with sectional width W1 of the first metal layer 161 are multiple flanks and shape
At tool there are two types of the lattice of the first opening 161-1 and 161-2, second metal layer 163 it is some with sectional width W2
Part is multiple flanks and forms the lattice with multiple second opening 163-1.As shown in Figure 3B, the first metal layer 161
A flank sectional width W1 be less than second metal layer 163 a flank sectional width W2.In the present embodiment, such as Fig. 3 B institute
Show, the unit area light transmittance of the first metal layer 161 is about 33%.
In embodiment, the bore D1 of the first opening 161-1 is substantially equal to the bore D2 of the second opening 163-1, and first opens
Bore D2 of the bore D1-1 of mouth 161-2 less than the second opening 163-1.In the present embodiment, sectional width W1 is, for example, about 10
± 1 micron, the bore D1 of the first opening 161-1 is, for example, about 30 ± 3 microns, and the bore D1-1 of the first opening 161-2 is for example
It is about 10 ± 1 microns, sectional width W2 is, for example, about 30 ± 3 microns, and the bore D2 of the second opening 163-1 is, for example, about
30 ± 3 microns.
In the present embodiment, structure as shown in Figure 3 C has a lattice, and pattern is similar to knot as shown in Figure 3A
The lattice of structure.In the present embodiment, some parts with sectional width W1 of the first metal layer 161 are multiple flanks and shape
At tool there are two types of the lattice of the first opening 161-1 and 161-2, second metal layer 163 it is some with sectional width W2
Part is multiple flanks and forms the lattice with multiple second opening 163-1.As shown in Figure 3 C, the first metal layer 161
A part sectional width W1 be less than second metal layer 163 a part sectional width W2.In the present embodiment, such as Fig. 3 C institute
Show, the unit area light transmittance of the first metal layer 161 is about 50%.
In embodiment, the bore D1 of the first opening 161-1 is substantially equal to the bore D2 of the second opening 163-1, and first opens
Bore D2 of the bore D1-1 of mouth 161-2 less than the second opening 163-1.In the present embodiment, sectional width W1 e.g. about 5 ±
1 micron, the bore D1 of the first opening 161-1 is, for example, about 30 ± 3 microns, and the bore D1-1 of the first opening 161-2 is, for example,
About 5 ± 1 microns, sectional width W2 is, for example, about 30 ± 3 microns, and the bore D2 of the second opening 163-1 is, for example, about 30
± 3 microns.
In the present embodiment, structure as shown in Figure 3D has a lattice, and pattern is similar to knot as shown in Figure 3A
The lattice of structure.In the present embodiment, some parts with sectional width W1 of the first metal layer 161 are multiple flanks and shape
At tool there are two types of the lattice of the first opening 161-1 and 161-2, second metal layer 163 it is some with sectional width W2
Part be multiple flanks and formed tool there are two types of second opening 163-1 and 163-2 lattice.As shown in Figure 3D, the first gold medal
The sectional width W1 of a part of category layer 161 is substantially equal to the sectional width W2 of a part of second metal layer 163.This implementation
In example, as shown in Figure 3D, the unit area light transmittance of the first metal layer 161 is about 50%.
In embodiment, the bore D1 of the first opening 161-1 is substantially equal to the bore D2 of the second opening 163-1, and first opens
The bore D1-1 of mouth 161-2 is substantially equal to the bore D2-1 of the second opening 163-2.In the present embodiment, sectional width W1 is for example
It is about 5 ± 1 microns, the bore D1 of the first opening 161-1 is, for example, about 30 ± 3 microns, the bore of the first opening 161-2
D1-1 is, for example, about 5 ± 1 microns, and sectional width W2 is, for example, about 5 ± 1 microns, and the bore D2 of the second opening 163-1 is for example
It is about 30 ± 3 microns, the bore D2-1 of the second opening 163-2 is, for example, about 5 ± 1 microns.
Fig. 4 A is painted the top view of display device 200 according to another embodiment of the present invention, and Fig. 4 B is painted Fig. 4 A along section
The diagrammatic cross-section of line 4B-4B '.In the present embodiment element identical with previous embodiment be continue to use same element numbers, and
The related description of similar elements please refers to aforementioned, and details are not described herein.
As shown in Fig. 4 A~4B, in display device 200, metal enclosure wall 160 can further include one first Eutectic Layer
(cocrystallization layer) 162, the first Eutectic Layer 162 are formed in the first metal layer 161 and third metal layer 165
Between.When engaging the first metal layer 161 and third metal layer 165, by the material of the first metal layer 161 and third metal layer 165
Material occurs cocrystallization and forms the first Eutectic Layer 162.
In some embodiments of the present invention, the first Eutectic Layer 162 can have single layer structure or multilayered structure.
As shown in Figure 4 B, metal enclosure wall 160 can further include one second Eutectic Layer 164, and the second Eutectic Layer 164 is formed in second
Between metal layer 163 and third metal layer 165.When engaging second metal layer 163 and third metal layer 165, by the second metal
The material of layer 163 and third metal layer 165 occurs cocrystallization and forms the second Eutectic Layer 164.
In some embodiments of the present invention, the second Eutectic Layer 164 can have single layer structure or multilayered structure.
In one embodiment, the first metal layer 161 and second metal layer 163 include copper, and third metal layer 165 includes tin
(Sn), sn-ag alloy (Sn-Ag) or tin silver bismuth alloy (Sn-Ag-Bi), therefore the first Eutectic Layer 162 and the second Eutectic Layer 164 are
Copper-tin alloy layer.In the present embodiment, the first Eutectic Layer 162 and the second Eutectic Layer 164 include five tin alloy of such as six bronze medal
(Cu6Sn5), close structure degree is higher than three copper-tin alloy (Cu3Sn)。
In some embodiments, the first Eutectic Layer 162 and the second Eutectic Layer 164 respectively have equal to or less than 230 DEG C
An eutectic temperature, e.g. 80~230 DEG C.It is generated in laser curing processing procedure since eutectic temperature is relatively low
Heat will not damage display medium 150.
In some embodiments, the first Eutectic Layer 162 and the second Eutectic Layer 164 can respectively have equal to or less than 5 angstroms
A thickness, e.g. 2~5 angstroms.When thickness is greater than 5 angstroms, the intensity of the first Eutectic Layer 162 and the second Eutectic Layer 164 can turn weak
And it is easily broken.According to an embodiment of the invention, the first Eutectic Layer 162 and/or the second Eutectic Layer 164, which have, is equal to or less than 5
Angstrom thickness can have good uniformity and good intensity.
Fig. 5 is painted the schematic diagram of display device 300 according to yet another embodiment of the invention.In the present embodiment with aforementioned implementation
The identical element of example is to continue to use same element numbers, and the related description of similar elements please refers to aforementioned, and details are not described herein.
As shown in figure 5, display device 300 can further include an inorganic barrier layer 370 in embodiment, inorganic barrier layer 370 is adjacent
Connect the one side wall of metal enclosure wall 160.In more detail, as shown in figure 5, the outside of 370 contiguous metal enclosure wall 160 of inorganic barrier layer
Side wall damages display medium 150 to prevent water gas and oxygen from passing through metal enclosure wall 160.
In embodiment, as shown in figure 5, the first metal layer 161 of the side wall of 370 contiguous metal enclosure wall 160 of inorganic barrier layer
With the joint of third metal layer 165 and the joint of second metal layer 163 and third metal layer 165.Due to the interface of engagement
It is easier to be penetrated by aqueous vapor and oxygen, the interface of the joint of inorganic 370 contiguous metal layer of barrier layer helps to prevent from showing
Injury caused by medium 150 is aoxidized by aqueous vapor and oxygen.
In embodiment, as shown in figure 5, display device 300 more may include an inorganic barrier layer 380, inorganic barrier layer 380 is adjacent
Connect the side wall of the exposure of display device 150 and the outer ledge 170e of third barrier layer 170, this outer ledge 170e be located at
150 joint of display medium.
As shown in figure 5, display device 300 can further include an integrated circuit component (IC component) 310, integrated circuit
Element 310 is set in the second substrate 110.In embodiment, flexible flat cable 320 is engaged in the second substrate via welded gasket 330
110。
Fig. 6 is painted the schematic diagram of the display device 400 of another embodiment according to the present invention.In the present embodiment with aforementioned implementation
The identical element of example is to continue to use same element numbers, and the related description of similar elements please refers to aforementioned, and details are not described herein.
As shown in fig. 6, display device 400 can further include a packaging plastic (encapsulating glue) 340, packaging plastic
340 are formed in the second substrate 110.In embodiment, packaging plastic 340 has the effect of the oxygen that blocks water.In embodiment, as shown in fig. 6,
The size of first substrate 130 is, for example, less than the size of the second substrate 110, and packaging plastic 340 coats first substrate 130, the second substrate
110 and metal enclosure wall 160.In embodiment, the upper surface of packaging plastic 340 is, for example, plane, is conducive to be formed in follow-up process
Film layer is on packaging plastic 340.
As shown in fig. 6, display device 400 more may include one first functional membrane (functional film) 350.More into
One step, as shown in fig. 6, display device 400 more optionally includes one second functional membrane 360.Packaging plastic 340 has enough
Viscosity so that the first functional membrane 350 can be bonded on packaging plastic 340, without additional adhesion coating.In embodiment, first
The thickness of functional membrane 350 is, for example, about 200~300 microns.Second functional membrane 360 is set under the second substrate 110, real
It applies in example, the thickness of the second functional membrane 360 is, for example, the thickness less than the first functional membrane 350.In embodiment, the first function
Property film 350 and the second functional membrane 360 be, for example, the transparent oxygen membrane material that blocks water, material is, for example, polymethacrylates
(PMMA), ethylene terephthalate (PET) or polycarbonate (PC).
Fig. 7 is painted the schematic diagram of the display device 500 of a more embodiment according to the present invention.In the present embodiment with aforementioned implementation
The identical element of example is to continue to use same element numbers, and the related description of similar elements please refers to aforementioned, and details are not described herein.
Display device 500 as shown in Figure 7 and display device 400 as shown in FIG. 6 are major difference is that metal enclosure wall
160 design.Metal enclosure wall 160 as shown in Figure 7 uses design as shown in Figure 1B.Further, in display device 500,
Flexible flat cable 320 is engaged in the second substrate 110 via welded gasket 330.
Although the present invention is disclosed as above with preferred embodiment, however, it is not to limit the invention, any this field skill
Art personnel, without departing from the spirit and scope of the present invention, when can make a little modification and perfect therefore of the invention protection model
It encloses to work as and subject to the definition of the claims.
Claims (15)
1. a kind of display device, comprising:
One first substrate and a second substrate；
One first barrier layer, is set in the second substrate；
One second barrier layer, is set on the first substrate；
One display medium is set between first barrier layer and second barrier layer；And
One metal enclosure wall (metal enclosing wall), is set between the first substrate and the second substrate, the metal
Enclosure wall surrounds the display medium, and wherein the metal enclosure wall includes:
One the first metal layer is located on second barrier layer, and wherein the first metal layer has multiple first openings；
One second metal layer is located on first barrier layer；And
One third metal layer, is formed between the first metal layer and the second metal layer.
2. display device as described in claim 1, which is characterized in that the second metal layer has multiple second openings.
3. display device as claimed in claim 2, further includes:
One tft layer is set between first barrier layer and the display medium；And
One is fanned out to (fan-out) structure, is set between the second substrate and the second metal layer, wherein the fan-out structure has
Multiple third openings, multiple third opening are located at the lower of multiple second opening of the second metal layer and correspond to multiple
Second opening.
4. display device as described in claim 1, which is characterized in that a material of the third metal layer includes a metal, should
Metal meets the following conditions: 1 < RPB< 2, wherein RPB=(Moxide*ρmetal)/(n*Mmetal*ρoxide), MmetalFor the original of the metal
Son amount, MoxideFor the molecular weight of a metal oxide of the metal, ρmetalFor the density of the metal, ρoxideFor being somebody's turn to do for the metal
The density of metal oxide, n are the atom number in the individual molecule of the metal oxide of the metal.
5. display device as described in claim 1, which is characterized in that a material and the second metal layer for the first metal layer
A material respectively include copper.
6. display device as described in claim 1, further includes:
One inorganic barrier layer, the one side wall of the adjacent metal enclosure wall.
7. display device as described in claim 1, further includes:
One filler is filled in the metal enclosure wall and covers the display medium, and wherein the filler has multiple hydrophilic
Property functional group adjacent to first barrier layer and second barrier layer, and the filler have multiple hydrophobicity functional groups it is adjacent
In the display medium.
8. a kind of display device, comprising:
One first substrate and a second substrate；
One first barrier layer, is set in the second substrate；
One second barrier layer, is set on the first substrate；
One display medium is set between first barrier layer and second barrier layer；And
One metal enclosure wall, is set between the first substrate and the second substrate, which surrounds the display medium, wherein
The metal enclosure wall includes:
One the first metal layer is located on second barrier layer；
One second metal layer is located on first barrier layer；
One third metal layer, is formed between the first metal layer and the second metal layer；And
One first Eutectic Layer (cocrystallization layer), be formed in the first metal layer and the third metal layer it
Between；
One second Eutectic Layer is formed between the second metal layer and the third metal layer.
9. display device as claimed in claim 8, which is characterized in that first Eutectic Layer and second Eutectic Layer are respectively
With 140~230 DEG C of an eutectic temperature.
10. display device as claimed in claim 8, which is characterized in that first Eutectic Layer and second Eutectic Layer respectively have
There is 2~5 angstroms of a thickness.
11. display device as claimed in claim 8, further includes:
One tft layer is set between first barrier layer and the display medium；And
One fan-out structure is set between the second substrate and the second metal layer.
12. display device as claimed in claim 8, which is characterized in that a material of the third metal layer includes a metal, should
Metal meets the following conditions: 1 < RPB< 2, wherein RPB=(Moxide*ρmetal)/(n*Mmetal*ρoxide), MmetalFor the original of the metal
Son amount, MoxideFor the molecular weight of a metal oxide of the metal, ρmetalFor the density of the metal, ρoxideFor being somebody's turn to do for the metal
The density of metal oxide, n are the atom number in the individual molecule of the metal oxide of the metal.
13. display device as claimed in claim 8, which is characterized in that a material of the first metal layer and second metal
One material of layer respectively includes copper.
14. display device as claimed in claim 8, further includes:
One inorganic barrier layer, the one side wall of the adjacent metal enclosure wall.
15. display device as claimed in claim 8, further includes:
One filler is filled in the metal enclosure wall and covers the display medium, and wherein the filler has multiple hydrophilic
Property functional group adjacent to first barrier layer and second barrier layer, and the filler have multiple hydrophobicity functional groups it is adjacent
In the display medium.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14/940,301 | 2015-11-13 | ||
| US14/940,301 US20160072100A1 (en) | 2013-02-18 | 2015-11-13 | Organic light emitting diode display device and manufacturing method thereof |
| US15/079,263 US9768414B2 (en) | 2013-02-18 | 2016-03-24 | Display device |
| US15/079,263 | 2016-03-24 |
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| CN106711346A CN106711346A (en) | 2017-05-24 |
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| TWI682516B (en) * | 2018-08-28 | 2020-01-11 | 元太科技工業股份有限公司 | Circuit structure |
| US10607932B2 (en) | 2016-07-05 | 2020-03-31 | E Ink Holdings Inc. | Circuit structure |
| US10103201B2 (en) | 2016-07-05 | 2018-10-16 | E Ink Holdings Inc. | Flexible display device |
| CN109559651B (en) * | 2017-09-25 | 2022-03-08 | 广州国显科技有限公司 | Flexible display module and display device |
| CN108427233A (en) * | 2018-05-08 | 2018-08-21 | 浙江富申科技有限公司 | A kind of edge seal structure of electrophoretype Electronic Paper |
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