CN107831626A - A kind of flexible color electrophoretic display and preparation method thereof - Google Patents
A kind of flexible color electrophoretic display and preparation method thereof Download PDFInfo
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- CN107831626A CN107831626A CN201711044806.0A CN201711044806A CN107831626A CN 107831626 A CN107831626 A CN 107831626A CN 201711044806 A CN201711044806 A CN 201711044806A CN 107831626 A CN107831626 A CN 107831626A
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- Prior art keywords
- organic layer
- flexible
- electrophoretic display
- layer
- flexible organic
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/165—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on translational movement of particles in a fluid under the influence of an applied field
- G02F1/166—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on translational movement of particles in a fluid under the influence of an applied field characterised by the electro-optical or magneto-optical effect
- G02F1/167—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on translational movement of particles in a fluid under the influence of an applied field characterised by the electro-optical or magneto-optical effect by electrophoresis
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/165—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on translational movement of particles in a fluid under the influence of an applied field
- G02F1/1675—Constructional details
- G02F1/1679—Gaskets; Spacers; Sealing of cells; Filling or closing of cells
- G02F1/1681—Gaskets; Spacers; Sealing of cells; Filling or closing of cells having two or more microcells partitioned by walls, e.g. of microcup type
Abstract
The present invention provides a kind of flexible color electrophoretic display, the first flexible organic layer including being cascading, colored filter, second flexible organic layer, electrophoretic display layer and the 3rd flexible organic layer, conductive film is provided with the second flexible organic layer, drive circuit is provided with the 3rd flexible organic layer, the electrophoretic display layer includes curing medium and the multiple microcapsules being distributed in the curing medium, include electrophoresis liquid and the multiple electrodeposition paint pigments particles being scattered in electrophoresis liquid in each microcapsules, the drive circuit and the conductive film are used to apply electric signal at the both ends of the electrophoretic display layer, the colored filter is Nian Jie with the described second flexible organic layer.Flexible color electronic display prepared by the preparation method of the present invention will not produce color error ratio, and color effect is preferable.
Description
Technical field
The invention belongs to electric paper display field, and in particular to a kind of flexible color electrophoretic display and its preparation side
Method.
Background technology
Electronic Paper, a kind of " equally thin, soft, the erasable display of sensitive paper " is more and more extensive in daily use.Closely
A little years, display device develop to direction frivolous, low in energy consumption, display device of electronic paper appearance adapt to market development and
The demand of user.But current display device of electronic paper is mainly white and black displays, and increasing user require it is colored and
The display effect of flexible, the R＆D direction of Electronic Paper also tilt to flexible colored display direction gradually.
It is to use colored filter (flexible membrane at present in the technique of color electric paper display is realized with colored filter
Piece) it is bonded with Electronic Paper module screen, this is the soft laminating type to hard (diaphragm and Electronic Paper glass), highest aligning accuracy about 40
μm, the pixel of optical filter is difficult very low with Electronic Paper pixel alignment, yield.The two pixel contraposition deviation is big, and it is inclined to have color
Difference, influence display effect.
The content of the invention
In view of the shortcomings of the prior art, the present invention provides a kind of flexible color electrophoretic display and preparation method thereof.
In order to solve the above technical problems, the present invention provides a kind of flexible color electrophoretic display, including it is cascading
The first flexible organic layer, colored filter, the second flexible organic layer, electrophoretic display layer and the 3rd flexible organic layer, described
Conductive film is provided with two flexible organic layers, drive circuit, the drive circuit are provided with the 3rd flexible organic layer
It is used to apply electric signal at the both ends of the electrophoretic display layer with the conductive film, the colored filter and described second soft
Property organic layer bonding.
Preferably, the conductive film is arranged on the second flexible organic layer close to the side of electrophoretic display layer.
Preferably, the thickness of the described first flexible organic layer is less than 20 μm.
Preferably, the described first flexible organic layer is polyimide layer, polyethylene terephthalate layer, polyethylene layer
Or PEN layer.
Preferably, the electrophoretic display layer includes curing medium and the multiple microcapsules being distributed in the curing medium,
Include electrophoresis liquid and the multiple electrodeposition paint pigments particles being scattered in electrophoresis liquid in each microcapsules.
The present invention also provides a kind of preparation method of flexible color electrophoretic display, comprises the following steps：
(1) the first flexible organic layer is formed in the first hard substrate, colorized optical filtering is made on the first flexible organic layer
Piece；
(2) the 3rd flexible organic layer is formed in the second hard substrate, drive circuit is formed on the 3rd flexible organic layer；
(3) electrophoretic display layer is formed on the 3rd flexible organic layer, and second is provided with the electrophoretic display layer
Flexible display, conductive film is provided with the second flexible organic layer；
(4) component and second formed first hard substrate, the first flexible organic layer and colored filter is hard
The contraposition fitting of component that matter substrate, the 3rd flexible organic layer, electrophoretic display layer, the second flexible display are formed, make described the
One flexible organic layer, colored filter, the second flexible organic layer, electrophoretic display layer and the 3rd flexible organic layer are stacked gradually and set
Put, and colored filter is Nian Jie with the described second flexible organic layer；
(5) it is first hard substrate and the second hard substrate is flexible with the described first flexible organic layer and the 3rd respectively
Organic layer separates, and obtains flexible color electrophoretic display.
Preferably, it is in the step (5), first hard substrate and the second hard substrate is soft with described first respectively
Property organic layer and the 3rd flexible organic layer are separated by Ultra-Violet Laser.
Preferably, the material of the described first flexible organic layer is polyimides, polyethylene terephthalate, poly- second
One or more in alkene, PEN.
Preferably, first hard substrate and the second hard substrate are made up of glass, plastics or composite.
Preferably, the electrophoretic display layer includes curing medium and the multiple microcapsules being distributed in the curing medium,
Include electrophoresis liquid and the multiple electrodeposition paint pigments particles being scattered in electrophoresis liquid in each microcapsules.
Flexible color electronic display prepared by the preparation method of the present invention will not produce color error ratio, color effect compared with
It is good.
Brief description of the drawings
Fig. 1 is flexible color electrophoretic display schematic diagram provided by the invention；
Fig. 2 is flexible color electrophoretic display preparation process schematic diagram provided by the invention；
Fig. 3 is schematic diagram when hard substrate is unstripped when prepared by flexible color electrophoretic display provided by the invention.
Embodiment
Technical scheme of the present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings, so that this
The technical staff in field can be better understood from the present invention and can be practiced, but illustrated embodiment is not as the limit to the present invention
It is fixed.
With reference to figure 1-3, the embodiment of the present invention provides a kind of flexible color electrophoretic display, including the to be cascading
One flexible organic layer 1, colored filter 2, the second flexible organic layer 3,4 and the 3rd flexible organic layer 5 of electrophoretic display layer, second is soft
Property organic layer 3 on be provided with conductive film, drive circuit is provided with the 3rd flexible organic layer 5, make electrophoretic display device (EPD) have compared with
Good flexible effect.Drive circuit and conductive film are used to apply electric signal at the both ends of electrophoretic display layer 4.Colored filter 2
It is be bonded with the second flexible organic layer 3.
In a preferred embodiment, electrophoretic display layer 4 includes curing medium 41 and is distributed in multiple micro- in curing medium 41
Capsule 42, include electrophoresis liquid and the multiple electrodeposition paint pigments particles being scattered in electrophoresis liquid in each microcapsules 42, realize electrophoresis
Display effect.
With reference to figure 1, in being preferable to carry out, the first flexible organic layer 1, the second flexible organic layer 3 are hyaline layer, have compared with
Good display effect.
In being preferable to carry out, conductive film is arranged on the second flexible organic layer 3 close to the side of electrophoretic display layer 4, is driven
Dynamic circuit and conductive film are used to apply electric signal at the both ends of electrophoretic display layer 4.
In being preferable to carry out, the thickness of the first flexible organic layer 1 is less than 20 μm.The thickness of first flexible organic layer 1 is larger
If can not only influence the color effect of colored filter, while can also influence the display effect of electrophoresis.
In being preferable to carry out, the first flexible organic layer 1 is polyimide layer, polyethylene terephthalate layer, poly- second
Alkene layer or PEN layer.
In being preferable to carry out, electrophoretic display layer 4 is coated on the 3rd flexible organic layer 5, or, electrophoretic display layer 4 is adhered to
On 3rd flexible organic layer 5.It is to use to mix microcapsules and water if electrophoretic display layer 4 is coated on the 3rd flexible organic layer 5
Conjunction stirs, and adds dispersant and thickener, stirring is configured to electrophoretic display coating fluid, then by electrophoretic display coating fluid
It is coated on the 3rd flexible organic layer 5.Then it is first second if electrophoretic display layer 4 is adhered on the 3rd flexible organic layer 5
Electrophoretic display coating fluid is coated with flexible organic layer 3, forms electrophoretic display layer 4, gluing is then applied on the 3rd flexible organic layer 5
Stick, electrophoretic display layer 4 is adhered on the 3rd flexible organic layer 5.It is bonded according to adhesive, then the adhesive layer of formation
Also there should be certain electric conductivity.
In being preferable to carry out, driving electrodes, driving electrodes connection drive circuit are additionally provided with the 3rd flexible organic layer 5.
In being preferable to carry out, the second flexible organic layer 3 is be bonded with electrophoretic display layer 4.First applied on the 3rd flexible organic layer 5
Cloth swimming shows that coating fluid forms electrophoretic display layer 4, then the coating adhesive on the second flexible organic layer 3, by the He of electrophoretic display layer 4
Second flexible organic layer 3 is bonded, and is bonded according to adhesive, then the adhesive layer of formation should also have certain conduction
Property.
With reference to figure 1-3, the embodiment of the present invention also provides a kind of preparation method of flexible color electrophoretic display, including as follows
Step：
(1) the first flexible organic layer 1 is formed in the first hard substrate 6, colored filter is made on the first flexible organic layer 1
Mating plate 2；
(2) the 3rd flexible organic layer 5 is formed in the second hard substrate 61, driving is formed on the 3rd flexible organic layer 5
Circuit；
(3) electrophoretic display layer 4 is formed on the 3rd flexible organic layer 5, and it is flexible aobvious that second is provided with electrophoretic display layer 4
Show layer, the side of electrophoretic display layer 4 is provided with conductive film on the second flexible organic layer 3, electrophoretic display layer 4 includes solidification
Medium 41 and the multiple micro- glue being distributed in curing medium 41
Capsule 42, include electrophoresis liquid and the multiple electrodeposition paint pigments particles being scattered in electrophoresis liquid in each microcapsules 42；
(4) component and the second hard for being formed the first hard substrate 6, the first flexible organic layer 1 and colored filter 2
The component contraposition fitting that substrate 61, the 3rd flexible organic layer 5, electrophoretic display layer 4, the second flexible display are formed, because having
First hard substrate 6 and the second hard substrate 61, so being firmly to hard laminating type, precision contraposition can be improved, will not be produced
Color error ratio.(before fitting as shown in Figure 2), makes the first flexible organic layer 1, colored filter 2, the second flexible organic layer 3, electrophoresis
4 and the 3rd flexible organic layer 5 of display layer is cascading, and colored filter 2 and second flexible 3 be bonded (such as Fig. 3 of organic layer
It is shown)；
(5) it is the first hard substrate 6 and the second hard substrate 61 is flexible organic with the first flexible organic layer 1 and the 3rd respectively
Layer 5 separates, and obtains flexible color electrophoretic display (as shown in Figure 1).
It is in step (5), the first hard substrate 6 and the second hard substrate 61 is flexible with first respectively in being preferable to carry out
1 and the 3rd flexible organic layer 5 of organic layer is separated by Ultra-Violet Laser.Using Ultra-Violet Laser lift-off technology from hard substrate Surface scan
Whole product, the first hard substrate 6 and the second hard substrate 61 are peeled off away.Ultra-Violet Laser separation, which can be realized, preferably to divide
From effect, flexible color electrophoretic display is not interfered with itself.
In being preferable to carry out, the material of the first flexible organic layer 1 is polyimides (PI), polyethylene terephthalate
(PET), the one or more in polyethylene (PE), PEN (PEN).
In being preferable to carry out, hard substrate is made up of glass, plastics or composite.Hard substrate should be transparent,
Make the component and the second hard substrate the 61, the 3rd that the first hard substrate 6, the first flexible organic layer 1 and colored filter 2 are formed
The component contraposition fitting that flexible organic layer 5, electrophoretic display layer 4, the second flexible display are formed is more accurate, in production process,
Yield improves.
Flexible color electronic display prepared by the preparation method of the present invention is realized preferable by firmly to hard laminating type
Aligning accuracy, do not produce color error ratio, color effect is preferable, improve product yield.
The preferred embodiments of the present invention are these are only, are not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of flexible color electrophoretic display, it is characterised in that the first flexible organic layer, colour including being cascading
Optical filter, the second flexible organic layer, electrophoretic display layer and the 3rd flexible organic layer, it is provided with the second flexible organic layer and leads
Conductive film, drive circuit is provided with the 3rd flexible organic layer, and the drive circuit and the conductive film are used in institute
The both ends for stating electrophoretic display layer apply electric signal, and the colored filter is Nian Jie with the described second flexible organic layer.
2. flexible color electrophoretic display as claimed in claim 1, it is characterised in that it is soft that the conductive film is arranged at second
Property organic layer on close to electrophoretic display layer side.
3. flexible color electrophoretic display as claimed in claim 1, it is characterised in that the thickness of the first flexible organic layer
Less than 20 μm.
4. flexible color electrophoretic display as claimed in claim 1, it is characterised in that the first flexible organic layer is polyamides
Imine layer, polyethylene terephthalate layer, polyethylene layer or PEN layer.
5. flexible color electrophoretic display as claimed in claim 1, it is characterised in that the electrophoretic display layer includes solidification and is situated between
Matter and the multiple microcapsules being distributed in the curing medium, include electrophoresis liquid in each microcapsules and be scattered in electrophoresis liquid
Multiple electrodeposition paint pigments particles.
6. a kind of preparation method of flexible color electrophoretic display, it is characterised in that comprise the following steps：
(1) the first flexible organic layer is formed in the first hard substrate, colored filter is made on the first flexible organic layer；
(2) the 3rd flexible organic layer is formed in the second hard substrate, drive circuit is formed on the 3rd flexible organic layer；
(3) electrophoretic display layer is formed on the 3rd flexible organic layer, and it is flexible that second is provided with the electrophoretic display layer
Display layer, conductive film is provided with the second flexible organic layer；
(4) component and the second hard base for being formed first hard substrate, the first flexible organic layer and colored filter
The contraposition fitting of component that bottom, the 3rd flexible organic layer, electrophoretic display layer, the second flexible display are formed, make described first soft
Property organic layer, colored filter, the second flexible organic layer, electrophoretic display layer and the 3rd flexible organic layer are cascading, and
Colored filter is Nian Jie with the described second flexible organic layer；
(5) it is first hard substrate and the second hard substrate is flexible organic with the described first flexible organic layer and the 3rd respectively
Layer separation, obtains flexible color electrophoretic display.
7. the preparation method of flexible color electrophoretic display as claimed in claim 6, it is characterised in that in the step (5),
First hard substrate and the second hard substrate are passed through with the described first flexible organic layer and the 3rd flexible organic layer respectively
Ultra-Violet Laser separates.
8. the preparation method of flexible color electrophoretic display as claimed in claim 6, it is characterised in that first flexibility has
The material of machine layer be polyimides, polyethylene terephthalate, polyethylene, one kind in PEN or
It is several.
9. the preparation method of flexible color electrophoretic display as claimed in claim 6, it is characterised in that the first hard base
Bottom and the second hard substrate are made up of glass, plastics or composite.
10. the preparation method of flexible color electrophoretic display as claimed in claim 6, it is characterised in that the electrophoresis showed
Layer includes curing medium and the multiple microcapsules being distributed in the curing medium, and electrophoresis liquid is included in each microcapsules and is divided
Dissipate multiple electrodeposition paint pigments particles in electrophoresis liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711044806.0A CN107831626A (en) | 2017-10-31 | 2017-10-31 | A kind of flexible color electrophoretic display and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711044806.0A CN107831626A (en) | 2017-10-31 | 2017-10-31 | A kind of flexible color electrophoretic display and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN107831626A true CN107831626A (en) | 2018-03-23 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711044806.0A Pending CN107831626A (en) | 2017-10-31 | 2017-10-31 | A kind of flexible color electrophoretic display and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108447406A (en) * | 2018-05-18 | 2018-08-24 | 广州奥翼电子科技股份有限公司 | A kind of fold out display and preparation method thereof |
| CN113450729A (en) * | 2021-07-14 | 2021-09-28 | 中国科学院重庆绿色智能技术研究院 | Driving method and system of three-color flexible electronic paper |
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| JP2012211974A (en) * | 2011-03-31 | 2012-11-01 | Toppan Printing Co Ltd | Microcapsule type electrophoretic display device and method for manufacturing |
| CN103348284A (en) * | 2011-02-10 | 2013-10-09 | 凸版印刷株式会社 | Electrophoretic display device and method for producing same |
| CN104169791A (en) * | 2012-03-27 | 2014-11-26 | 索尼公司 | Display unit and electronic equipment |
| CN106816100A (en) * | 2017-04-06 | 2017-06-09 | 信利半导体有限公司 | The manufacture method of flexible base board and the manufacture method of flexible display panels |
| CN207457666U (en) * | 2017-10-31 | 2018-06-05 | 广州奥翼电子科技股份有限公司 | A kind of flexibility color electrophoretic display |
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2017
- 2017-10-31 CN CN201711044806.0A patent/CN107831626A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103348284A (en) * | 2011-02-10 | 2013-10-09 | 凸版印刷株式会社 | Electrophoretic display device and method for producing same |
| JP2012211974A (en) * | 2011-03-31 | 2012-11-01 | Toppan Printing Co Ltd | Microcapsule type electrophoretic display device and method for manufacturing |
| CN104169791A (en) * | 2012-03-27 | 2014-11-26 | 索尼公司 | Display unit and electronic equipment |
| CN106816100A (en) * | 2017-04-06 | 2017-06-09 | 信利半导体有限公司 | The manufacture method of flexible base board and the manufacture method of flexible display panels |
| CN207457666U (en) * | 2017-10-31 | 2018-06-05 | 广州奥翼电子科技股份有限公司 | A kind of flexibility color electrophoretic display |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108447406A (en) * | 2018-05-18 | 2018-08-24 | 广州奥翼电子科技股份有限公司 | A kind of fold out display and preparation method thereof |
| CN108447406B (en) * | 2018-05-18 | 2021-03-23 | 广州奥翼电子科技股份有限公司 | Folding display and preparation method thereof |
| CN113450729A (en) * | 2021-07-14 | 2021-09-28 | 中国科学院重庆绿色智能技术研究院 | Driving method and system of three-color flexible electronic paper |
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