CN207337030U - A kind of electro-optic display assemblies - Google Patents
A kind of electro-optic display assemblies Download PDFInfo
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- CN207337030U CN207337030U CN201720632653.0U CN201720632653U CN207337030U CN 207337030 U CN207337030 U CN 207337030U CN 201720632653 U CN201720632653 U CN 201720632653U CN 207337030 U CN207337030 U CN 207337030U
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Abstract
The utility model provides a kind of electro-optic display assemblies.The electro-optic display assemblies include transparent conductive electrode, electric light display layer and the backboard for stacking gradually connection, the transparent conductive electrode and the backboard are used to apply voltage to the electric light display layer, also there is waterproof layer in the outside of the transparent conductive electrode, the waterproof layer is transparent, and angle of wetting >=90 ° of the waterproof layer.The electro-optic display assemblies and its manufacture method of the utility model embodiment, by setting waterproof layer in the outside of transparent conductive electrode, can significantly improve the water resistance of electro-optic display assemblies.
Description
Technical field
It the utility model is related to Display Technique, more particularly to a kind of electro-optic display assemblies.
Background technology
Electrophoretic display device (EPD) refers to that a kind of effect using electric field makes multiple charged particles therein be moved in suspension
Move so as to change the display of the optical states of its viewing surface.Compared with liquid crystal display, this display has satisfactory
Brightness, high contrast, wide viewing angle, bistable state and low-power consumption characteristic and favored be subject to people, can apply very much
Field, such as e-book, price tickets, advertising matter.Wherein Electronic Paper is the core display portion of electrophoretic display device (EPD).But environment is to electricity
Sub- paper has a great influence, and especially Electronic Paper is more sensitive to steam, meets water and easily reacts so as to fail.At present in electrophoresis showed
Generally by using the preferable edge sealing adhesive of water resistance or increase waterproofing protection film in the process of device, to improve display
Leakproofness, so as to improve water resistance.But the water or steam in environment can pass through display device protective film and the edge sealing of surrounding
Capillary channel inside glue penetrates into Electronic Paper, thus cause Electronic Paper water suction failure, the phenomenon i.e. we often say " capillary is existing
As " or " capillarity ".
Likewise, for OLED display screen, being easily accessible display interior there is also steam causes the feelings of display damage
Shape.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of electro-optic display assemblies.
In order to solve the above technical problems, the utility model embodiment provides a kind of electro-optic display assemblies, it includes layer successively
Transparent conductive electrode, electric light display layer and the backboard of folded connection, the transparent conductive electrode and the backboard are used for the electricity
Light display layer applies voltage, also has waterproof layer in the outside of the transparent conductive electrode, the waterproof layer is
Bright, and angle of wetting >=90 ° of the waterproof layer.
Preferably, the electric light display layer includes multiple display micro units, have in the display micro unit electrophoresis liquid with
And the electrophoresis particle in electrophoresis liquid is suspended in, the electrophoresis particle is acted in the voltage of the transparent conductive electrode and the backboard
Under, make the movement towards or away from the transparent conductive electrode in the electrophoresis liquid.
Preferably, the electro-optic display assemblies further include fluid sealant, and the fluid sealant is coated on the transparent conductive electrode
With the side of electric light display layer and the upper surface of backboard, the electric light display layer is sealed, the outside of the fluid sealant has institute
State waterproof layer.
Preferably, the electro-optic display assemblies further include transparent protective film and fluid sealant, and the transparent protective film is arranged at
The upside of the transparent conductive electrode, transparent protective film, transparent conductive electrode and electric light display layer described in the sealing gemel connection
Side and the backboard upper surface, the waterproof layer covers the connection of the transparent protective film and the fluid sealant
Interface, either the waterproof layer cover the top edge of the transparent protective film and/or the outer surface of the fluid sealant or
The waterproof layer covers whole upper surfaces of the transparent protective film and the outer surface of the fluid sealant.
Preferably, on the in-plane of the transparent protective film, the edge of the transparent protective film is beyond described transparent
The distance at the edge of conductive electrode is greater than or equal to 0.8mm, it is further preferred that in the in-plane of the transparent protective film
On, the distance that the edge of the backboard exceeds the edge of transparent protective film is greater than or equal to 0.5mm.
Preferably, the waterproof layer covers the transparent conductive electrode and the linkage interface of the fluid sealant, or
The waterproof layer covers the top edge of the transparent conductive electrode and/or the outer surface of the fluid sealant, or described anti-
Water material layer covers whole upper surfaces of the transparent conductive electrode and the outer surface of the fluid sealant.
Preferably, the waterproof material layer material is type siloxane or silicon fluoride class compound, the type siloxane or fluorine
The general chemical structure of silane compound is：
Group R1, R2, R3 in wherein described type siloxane or silicon fluoride class compound, R4 is any alkyl, such as methyl, second
Base, Rf are fluoro-alkyl, and preferably described waterproof layer is 17 fluorine decyl triethoxysilanes.
Preferably, the waterproof layer passes through spraying process, chemical vapour deposition technique, plasma vapor deposition processes or thing
Physical vapor deposition method deposits to the electro-optic display assemblies.
Preferably, angle of wetting >=100 ° of the waterproof layer.
The electro-optic display assemblies and its manufacture method of the utility model embodiment, by being set on the outside of transparent conductive electrode
Waterproof layer is put, the water resistance of electro-optic display assemblies can be significantly improved.
Brief description of the drawings
The realization, functional characteristics and excellent effect of the utility model aim, will be below in conjunction with specific embodiments and attached
Figure is described further.
Fig. 1 is the structure diagram for the electro-optic display assemblies that the utility model first embodiment provides.
Fig. 2 is the structure diagram for the electro-optic display assemblies that the utility model second embodiment provides.
Fig. 3 is the structure diagram for the electro-optic display assemblies that the utility model 3rd embodiment provides.
Fig. 4 is the structure diagram for the electro-optic display assemblies that the utility model fourth embodiment provides.
Embodiment
Specific embodiment is that technical solution described in the utility model is described in further detail below, so that this area
Technical staff can be better understood from the utility model and can be practiced, but illustrated embodiment is not as to the utility model
Restriction.
Please refer to Fig.1 to Fig. 4, the utility model embodiment and a kind of electro-optic display assemblies are provided, it includes the company of stacking gradually
Transparent conductive electrode 14, electric light display layer 12 and the backboard 11 connect.Transparent conductive electrode 14 is located at the observation of electro-optic display assemblies
Side, namely the visual angle of user is from transparent conductive electrode 14 to electric light display layer 12.Transparent conductive electrode 14 can by
Inner side (i.e. close to the side of electric light display layer 12) system of the base materials such as polyethylene terephthalate, polyethylene, polyimides
Tin indium oxide (ITO) film, graphene film or fine and close aluminium foil are made to be formed.Electric light display layer 12 is used for the effect in electric signal
Lower active shines or passive reflective shows word or pattern.Electric light display layer 12 can be that electrophoretic display layer, OLED are shown
Layer or other kinds of display layer.The drive circuit of electric light display layer 12 can be arranged in transparent conductive electrode 14, also may be used
To be arranged on backboard 11, such as backboard 11 can be that TFT drives backboard.Transparent conductive electrode 14 and backboard 11 are used for electric light
Display layer 12 applies voltage, to drive electric light display layer 12 to be shown.
In an advantageous embodiment, electric light display layer 12 is electrophoretic display layer, and electric light display layer 12 includes multiple displays
Micro unit 121, showing in micro unit 121 has electrophoresis liquid and the electrophoresis particle being suspended in electrophoresis liquid.Transparent conductive electrode
14 and the both ends that are used for electric light display layer 12 of backboard 11 apply voltage, electrophoresis particle is in transparent conductive electrode 12 and backboard 11
Under voltage effect, make the movement towards or away from transparent conductive electrode 14 in electrophoresis liquid, reflective by electrophoresis particle shows
Show the contents such as word or pattern.Show that micro unit 121 can be microcapsules or micro-cup of the particle diameter at several microns to hundreds of microns.Electricity
Structure, material and the manufacture method of light display layer 12 refer to the photoelectric medium or Chinese special in Chinese patent CN103091926A
Structure, material and the manufacture method of electro-optic layer in sharp CN1764861A, details are not described herein again.Electric light display layer 12 and backboard
It can also be attached between 11 by adhesive layer 13.Adhesive layer 13 can use polyurethane, vinylacetate, epoxy resin etc. viscous
Mixture is made, and the additives such as propylene glycol, butyl carbitol, methoxyl group methanol can also be added in adhesive.It is excellent at other
Select in embodiment, electric light display layer 12 can be OLED display layers, it includes hole transmission layer (HTL), luminescent layer (EL) and electricity
Sub- transport layer (ETL) etc., is shone to realize the display of word or pattern, details are not described herein again by luminescent layer.
Also there is waterproof layer 16 in the outside of transparent conductive electrode 12, waterproof layer 16 is transparent, and waterproof
Angle of wetting >=90 ° of material layer 16, preferable angle of wetting >=100 °.Waterproof layer 16 can be transparent.Waterproof layer
16 are used to prevent steam to be externally entering electric light display layer 12, cause the damage of electro-optic display assemblies.Due to waterproof layer
16 angle of wetting >=90 °, therefore can prevent steam from being permeated along the small―gap suture between the capillary channel or material interface in material
To electric light display layer 12.Signified outside herein, can be along the side axially outward of transparent conductive electrode 12, i.e. in Fig. 1 to 4
Upside or can be along the outside side of 12 place plane of transparent conductive electrode, the i.e. left and right sides in Fig. 1 to 4.Waterproof
Material layer 16 can be directly affixed in transparent conductive electrode 12, other portions are separated between can also being gone back with transparent conductive electrode 12
Part.
In a preferred embodiment, which further includes fluid sealant 17, and fluid sealant 17 is coated on electrically conducting transparent electricity
The upper surface of the side and backboard 11 of pole 14 and electric light display layer 12, for sealing electric light display layer 12, prevents steam, sky
Gas is entered in electric light display layer 12.The outside of fluid sealant 17 has waterproof layer 16, for preventing steam along fluid sealant 17
Internal capillary channel penetrates into electric light display layer 12.
Please refer to Fig.1, in some preferred embodiments, which further includes transparent protective film 15 and fluid sealant
17, transparent protective film 15 is arranged at the upside of transparent conductive electrode 14, and (namely observation side, user observe the electric light from top to bottom
Display module), for protecting the electro-optic display assemblies.Fluid sealant 17 connects transparent protective film 15, transparent conductive electrode 14 and electricity
The side of light display layer 12 and the upper surface of backboard 11.In a further preferred embodiment, waterproof layer 16 covers
The top edge of bright protective film 15 and/or the outer surface of fluid sealant 17, prevent steam from the edge of transparent protective film 15 or sealing
The outer surface of glue 17 is penetrated into electric light display layer 12.The outer surface of signified fluid sealant 17 herein, can be partial outer face,
Can be whole outer surfaces.Please refer to Fig.3, in other preferred embodiments, waterproof layer 16 covers transparent protective film 15
Whole upper surfaces and fluid sealant 17 outer surface, prevent steam from penetrating into electric light display layer 12.Similarly, signified sealing herein
The outer surface of glue 17, can be partial outer face or whole outer surfaces.In the present embodiment, the whole of fluid sealant 17
Outer surface is all covered with waterproof layer 16.In further embodiments, waterproof layer 16 cover transparent protective film 15 with
The linkage interface of fluid sealant 17, namely waterproof layer 16 are covered in the table of transparent protective film 15 and the link position of fluid sealant 17
On face, prevent steam from being penetrated at the linkage interface of transparent protective film 15 and fluid sealant 17 in electric light display layer 12.
Please refer to Fig.1 and Fig. 3, it is in a further preferred embodiment, transparent on the in-plane of transparent protective film 15
Distance (i.e. b in Fig. 1) of the edge of protective film 15 beyond the edge of transparent conductive electrode 14 is greater than or equal to 0.8mm, preferably
Ground can so make fluid sealant 17 have better seal effect between 0.8mm-2.0mm, have more to electric light display layer 12
Good protective effect.It is further preferred that on the in-plane of transparent protective film 15, the edge of backboard 11 is beyond transparency protected
The distance (i.e. d in Fig. 1) at the edge of film 15 is greater than or equal to 0.5mm, so can be with preferably between 0.5mm-3.0mm
Make fluid sealant 17 that there is better seal effect.
Please refer to Fig.2, in other embodiments, the waterproof layer 16 covering transparent conductive electrode 14 top edge and/
Or the outer surface of fluid sealant 17, prevent steam from being penetrated into from the outer surface at the edge of transparent conductive electrode 14 or fluid sealant 17
In electric light display layer 12.In the present embodiment, the outer surface of the top edge of transparent conductive electrode 14 and fluid sealant 17 covers
There is the waterproof layer 16.Please refer to Fig.4, in further embodiments, the waterproof layer 16 covering transparent conductive electrode 14
Whole upper surfaces and fluid sealant 17 outer surface.The outer surface of signified fluid sealant 17 herein, can be partial outer face, also may be used
To be whole outer surfaces.In further embodiments, waterproof layer 16 covers transparent conductive electrode 14 and the company of fluid sealant 17
Border face, namely waterproof layer 16 are covered in transparent conductive electrode 14 with the surface of the link position of fluid sealant 17, preventing
Steam is penetrated into electric light display layer 12 at the linkage interface of transparent conductive electrode 14 and fluid sealant 17.
In a preferred embodiment, waterproof layer 16 is type siloxane or silicon fluoride class compound, type siloxane or fluorine silicon
The general chemical structure of alkyl compound is：
Group R1, R2, R3 wherein in type siloxane or silicon fluoride class compound, R4 are any alkyl, such as methyl, ethyl,
Rf is fluoro-alkyl.Preferably, waterproof layer 16 is 17 fluorine decyl triethoxysilanes.
In a preferred embodiment, waterproof layer 16 can pass through spraying process, chemical vapour deposition technique, plasma chemical vapor
The methods of sedimentation or physical vaporous deposition, is deposited on electro-optic display assemblies.
The utility model also provides the manufacture method of the electro-optic display assemblies in above-mentioned section Example, it includes step as follows
Suddenly：
In the inner side coating electronic ink of transparent conductive electrode 14, cure electric ink, form electric light display layer 12；Specifically
For, electric ink can be cured by modes such as heating, fix the position of display micro unit 121；
Transparent conductive electrode 14 and electric light display layer 12 are connected with backboard 11；Specifically, in electric light display layer 12
The adhesives such as inner side coating polyurethane, vinylacetate, epoxy resin, then it is aligned and bonded with backboard 11, finally add
Hot setting adhesive, forms adhesive layer 13 to connect electric light display layer 12 and backboard 11；
Pass through spraying, chemical vapour deposition technique, plasma vapor deposition processes or thing in the outside of transparent conductive electrode 14
Physical vapor deposition method deposits waterproof layer 16.
In a preferred embodiment, before the deposition waterproof layer 16 of the outside of transparent conductive electrode 14, further include as follows
Step：
Transparent protective film 15 is covered in the upper surface of transparent conductive electrode 14, transparent protective film is coated on fluid sealant 17
15th, on the upper surface of the side and backboard 11 of transparent conductive electrode 14 and electric light display layer 12；Waterproof layer 16 is deposited on
On whole upper surfaces of transparent protective film 15 and the outer surface of fluid sealant 17, the outer surface of signified fluid sealant 17 herein, Ke Yishi
Partial outer face or whole outer surfaces.
The implementation result of the utility model is showed with specific embodiment below.
Electric ink is coated on to the inner side of transparent conductive electrode 12, heating, drying forms electric light display layer 12；Then cut
Electric light display layer 12 and transparent conductive electrode 12 are cut, Electronic Paper of the size for 2.1 cun of sizes is formed, is 2.1 cun of sizes by size
Electronic Paper be laminated in 2.1 cun of TFT backplate；Then paste layer of transparent protective film 15, with edge sealing adhesive by transparent protective film 15,
12 edge sealing of transparent conductive electrode 12 and electric light display layer, forms fluid sealant 17；By the waterproof material ten of the huge victory science and technology production in Hubei
Seven fluorine decyl triethoxysilanes spray to whole upper surfaces of transparent protective film 15, and dry solidification, forms one layer of waterproof material
Layer 16.
The sample (sample one) for having waterproof layer 16 and the sample without waterproof layer 16 are tested with contact angle tester
The moistened surface angle of (sample two) each four positions, test result such as following table：
| Position 1 | Position 2 | Position 3 | Position 4 | |
| One angle of wetting of sample | 93 | 95.5 | 92.5 | 95 |
| Two angle of wetting of sample | 83.5 | 89.5 | 81 | 85 |
Test result shows there is the electro-optic display assemblies of above-mentioned waterproof layer 16, and the angle of wetting of its four positions is equal
More than 90 degree, without the electro-optic display assemblies of waterproof layer 16, the angle of wetting of its four positions is respectively less than 90 degree, Ye Jiyong
After waterproof material processing, the moistened surface angle of electro-optic display assemblies significantly increases, and hydrophobicity is stronger.
Sample one and sample two are put into hot and humid experiment (humidity 80%, temperature 60 C), test its steam infiltration feelings
Condition.Test result is as follows：Sample two occurs water inlet phenomenon on the 10th day in experiment, and sample one is existing in experiment appearance water inlet in the 13rd day
As illustrating that the water resistance of the electro-optic display assemblies with waterproof layer 16 is improved significantly.
Above disclosed is only the preferred embodiment of the utility model, certainly cannot be new to limit this practicality with this
The interest field of type, therefore the equivalent variations made according to present utility model application the scope of the claims, still belong to the utility model and are covered
Scope.
Claims (10)
1. a kind of electro-optic display assemblies, it includes stacking gradually the transparent conductive electrode of connection, electric light display layer and backboard, described
Transparent conductive electrode and the backboard are used to apply voltage to the electric light display layer, it is characterised in that in the electrically conducting transparent
The outside of electrode also has a waterproof layer, the waterproof layer be it is transparent, and the angle of wetting of the waterproof layer >=
90°。
2. electro-optic display assemblies as claimed in claim 1, it is characterised in that the electric light display layer includes multiple micro- lists of display
Member, described to show the electrophoresis particle for having electrophoresis liquid in micro unit and being suspended in electrophoresis liquid, the electrophoresis particle is described
Under the effect of the voltage of transparent conductive electrode and the backboard, make in the electrophoresis liquid towards or away from the transparent conductive electrode
Movement.
3. electro-optic display assemblies as claimed in claim 1, it is characterised in that further include fluid sealant, the fluid sealant is coated on
The upper surface of the side and backboard of the transparent conductive electrode and electric light display layer, seals the electric light display layer, described close
The outside of sealing has the waterproof layer.
4. electro-optic display assemblies as claimed in claim 1, it is characterised in that the electro-optic display assemblies further include transparency protected
Film and fluid sealant, the transparent protective film are arranged at the upside of the transparent conductive electrode, transparent described in the sealing gemel connection
The upper surface of protective film, the side of transparent conductive electrode and electric light display layer and the backboard, the waterproof layer covering
The linkage interface of the transparent protective film and the fluid sealant, or the waterproof layer cover the upper of the transparent protective film
The outer surface at edge and/or the fluid sealant, or the waterproof layer cover whole upper surfaces of the transparent protective film
And the outer surface of the fluid sealant.
5. electro-optic display assemblies as claimed in claim 4, it is characterised in that on the in-plane of the transparent protective film,
Distance of the edge of the transparent protective film beyond the edge of the transparent conductive electrode is greater than or equal to 0.8mm.
6. electro-optic display assemblies as claimed in claim 3, it is characterised in that the waterproof layer covers the electrically conducting transparent
The linkage interface of electrode and the fluid sealant, or the waterproof layer cover the transparent conductive electrode top edge and/
Or the outer surface of the fluid sealant, or whole upper surfaces of the waterproof layer covering transparent conductive electrode and institute
State the outer surface of fluid sealant.
7. such as claim 1 to 6 any one of them electro-optic display assemblies, it is characterised in that the waterproof material layer material is
Type siloxane or silicon fluoride class compound.
8. electro-optic display assemblies as claimed in claim 7, it is characterised in that the waterproof layer is 17 fluorine decyl, three second
Oxysilane.
9. such as claim 1 to 6 any one of them electro-optic display assemblies, it is characterised in that the waterproof layer passes through spray
Coating, chemical vapour deposition technique, plasma vapor deposition processes or physical vaporous deposition deposit to the electro-optic display assemblies.
10. electro-optic display assemblies as claimed in claim 1, it is characterised in that angle of wetting >=100 ° of the waterproof layer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720632653.0U CN207337030U (en) | 2017-06-01 | 2017-06-01 | A kind of electro-optic display assemblies |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720632653.0U CN207337030U (en) | 2017-06-01 | 2017-06-01 | A kind of electro-optic display assemblies |
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| CN207337030U true CN207337030U (en) | 2018-05-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107167981A (en) * | 2017-06-01 | 2017-09-15 | 广州奥熠电子科技有限公司 | A kind of electro-optic display assemblies and its manufacture method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107167981A (en) * | 2017-06-01 | 2017-09-15 | 广州奥熠电子科技有限公司 | A kind of electro-optic display assemblies and its manufacture method |
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