CN106997135A - Color electric paper and preparation method thereof - Google Patents
Color electric paper and preparation method thereof Download PDFInfo
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- CN106997135A CN106997135A CN201710351952.1A CN201710351952A CN106997135A CN 106997135 A CN106997135 A CN 106997135A CN 201710351952 A CN201710351952 A CN 201710351952A CN 106997135 A CN106997135 A CN 106997135A
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- coloured light
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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
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- Electrochemistry (AREA)
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
Abstract
The invention discloses a kind of color electric paper and preparation method thereof.The viewing area of color electric paper is formed by multiple pixels, and each pixel includes at least three sub-pixels;Color electric paper includes electrophoretic medium, and in each sub-pixel, electrophoretic medium includes the first electrophoresis particle, the second electrophoresis particle, the 3rd electrophoresis particle and the 4th electrophoresis particle of color state inequality;Color electric paper also includes the color film for being arranged at the first side of electrophoretic medium, in each pixel, reflected by the first electrophoresis particle the sub-pixel of the first coloured light area and, reflected by the second electrophoresis particle the second coloured light sub-pixel area and be respectively less than the sub-pixel that color film is set area and, wherein, by that can form three coloured light after color film, the color of the first coloured light, the second coloured light and three coloured light is different.The application color membrane area larger by setting makes up loss of the light through light intensity after color film, reduces the risk that colour cast and dark line occurs in color electric paper viewing area.
Description
Technical field
The present invention relates to electronic paper technology field, more particularly, to a kind of color electric paper and preparation method thereof.
Background technology
The realization means of electronic paper technology mainly include cholesterol liquid crystal Display Technique, electrophoretic display technology and electricity profit
Wet Display Technique etc..Wherein, electrophoretic display technology, makes the colored particles in electrophoresis real according to electric field level and direction by electric field
Now move, keep constant under without electric field conditions, it realizes that Electronic Paper is shown by the reflection of colored particles light to external world.Electricity
Swimming Display Technique combines the advantage of plain paper and electronic console and energy consumption is low, in static state display field (label, book
Sheet, newspaper, billboard, bus station's nameplate etc.) occupy a clear edge, will turn into LCD (Liquid Crystal Display,
Liquid crystal display) and display skill irreplaceable OLED (Organic Light-Emitting Diode, Organic Light Emitting Diode)
Art.
There is a kind of technology that Electronic Paper colour display is realized by applying colorful film in the prior art.In the technical scheme
It is middle to need the viewing side in sub-pixel to set colored filter to realize the function that color electric paper is shown, but light is through colored
Light intensity can be substantially reduced after optical filter, so as to cause color electric paper to occur showing bad phenomenon.
Therefore it provides a kind of show excellent color electric paper and preparation method thereof, it is this area urgent problem to be solved.
The content of the invention
In view of this, the invention provides a kind of color electric paper and preparation method thereof, solve colored in the prior art
There is the bad technical problem of display in Electronic Paper.
The present invention provides a kind of color electric paper, it is characterised in that
The viewing area of the color electric paper is formed by multiple pixels, and each pixel includes at least three sub- pictures
Element;
The color electric paper includes electrophoretic medium, in each sub-pixel, and the electrophoretic medium includes color
The first electrophoresis particle, the second electrophoresis particle, the 3rd electrophoresis particle and the 4th electrophoresis particle of state inequality;
The color electric paper also includes the color film for being arranged at the first side of the electrophoretic medium, in each pixel
It is interior, reflected by first electrophoresis particle sub-pixel of the first coloured light area and, reflected by second electrophoresis particle
The area of the sub-pixel of second coloured light and be respectively less than set the color film sub-pixel area and, wherein, pass through the color film
After can form three coloured light, first coloured light, second coloured light are different with the color of the three coloured light.
Optionally, first coloured light, second coloured light and the three coloured light sent in each pixel
Luminous intensity is identical.
Optionally, the pixel includes the sub-pixel of at least N number of area equation, in each pixel, the color film
It is arranged in N/2 sub-pixel, N is 4 multiple.
Optionally, the pixel is formed by four sub-pixels, in each pixel, and the color film is arranged at two sons
In pixel.
Optionally, four sub-pixels for forming the pixel are in 2*2 array arrangement.
Optionally, the color film is arranged in two sub-pixels of the diagonal positions of the array.
Optionally, the pixel include the first pixel region, the second pixel region for surrounding first pixel region and
Surround the 3rd pixel region of second pixel region, wherein, in second pixel region number of sub-pixel with it is described
The number of sub-pixel is N/4 in 3rd region, and the number of sub-pixel is N/2, the coloured silk in first pixel region
Film is arranged at each sub-pixel in first pixel region.
Optionally, the color electric paper also includes:
It is arranged at the pixel electricity that each sub-pixel is set on the substrate of the second side of the electrophoretic medium, the substrate
Pole;
The electrocoating film between the electrophoretic medium and the color film is arranged at, the electrocoating film is each sub-pixel
Public electrode;
It is arranged at diaphragm of the color film away from the electrophoretic medium side.
Optionally, there is first electrophoresis particle red color, second electrophoresis particle to have viridescent color,
There is 3rd electrophoresis particle color of black, the 4th electrophoresis particle to have the color of white, and the color film has blue
The color of color.
The present invention provides a kind of color electric paper again, it is characterised in that
The viewing area of the color electric paper is formed by multiple pixels, and each pixel includes at least three sub- pictures
Element;
The color electric paper includes electrophoretic medium, in each sub-pixel, and the electrophoretic medium includes color
The first electrophoresis particle, the second electrophoresis particle and the 3rd electrophoresis particle of state inequality;
The color electric paper also includes the first color film and the second color film for being arranged at the first side of the electrophoretic medium,
In each pixel, set the sub-pixel of the described first color film area and, set the described second color film sub-pixel face
The area for the sub-pixel of the first coloured light that product and being all higher than is reflected by first electrophoresis particle and, wherein, described first is color
Film is arranged in different sub-pixels from the described second color film, by that can form the second coloured light after the described first color film, is passed through
Three coloured light, the color of first coloured light, second coloured light and the three coloured light can be formed after described second color film
It is different.
Optionally, first coloured light, second coloured light and the three coloured light sent in each pixel
Luminous intensity is identical.
Optionally, the pixel includes the sub-pixel of at least N number of area equation, in each pixel, and described first
Color film and the second color film may be contained withinIn individual sub-pixel, N is 5 multiple.
Optionally, the pixel is formed by five sub-pixels, in each pixel, the first color film and described the
Two color films may be contained within two sub-pixels.
Optionally, five sub-pixels being laterally or longitudinally arranged in order along the color electric paper of the pixel is formed.
Optionally, the color electric paper also includes:
It is arranged at the pixel electricity that each sub-pixel is set on the substrate of the second side of the electrophoretic medium, the substrate
Pole;
The electrocoating film between the electrophoretic medium and the color film is arranged at, the electrocoating film is each sub-pixel
Public electrode;
It is arranged at diaphragm of the color film away from the electrophoretic medium side.
Optionally, first electrophoresis particle has the color of black with red color, second electrophoresis particle,
3rd electrophoresis particle has the color of white, and the described first color film has the color of blueness, and the described second color film has green
The color of color.
The present invention also provides a kind of preparation method of color electric paper, it is characterised in that the display of the color electric paper
Region is formed by multiple pixels, and each pixel includes at least three sub-pixels, and the color electric paper includes electrophoretic medium
With the color film for being arranged at the side of electrophoretic medium first, the preparation method includes:
Determine the first electrophoresis particle, the second electrophoresis particle, the 3rd the electrophoresis grain of color state inequality in the electrophoretic medium
Son and the 4th electrophoresis particle;
The sub-pixel that the color film is covered in each pixel is determined, wherein, in each pixel, by described the
One electrophoresis particle reflect the sub-pixel of the first coloured light area and, reflect by second electrophoresis particle of the second coloured light
The area of pixel and be respectively less than the sub-pixel that the color film is set area and, wherein, by the way that the can be formed after the color film
Three coloured light, first coloured light, second coloured light are different with the color of the three coloured light.
Optionally, methods described also includes:
The thickness of the color film and the material of the color film are determined, so that first color sent in each pixel
Light, second coloured light are identical with the luminous intensity of the three coloured light.
The preparation method that the present invention provides another color electric paper, it is characterised in that the display of the color electric paper
Region is formed by multiple pixels, and each pixel includes at least three sub-pixels, and the color electric paper includes electrophoretic medium
With the first color film and the second color film for being arranged at the side of electrophoretic medium first, the preparation method includes:
Determine the first electrophoresis particle, the second electrophoresis particle and the 3rd electrophoresis of color state inequality in the electrophoretic medium
Particle;
The sub-pixel that the described first color film and the second color film are covered in each pixel is determined, wherein, every
In the individual pixel, set the sub-pixel of the described first color film area and, set the described second color film sub-pixel area
With the area of the sub-pixel for the first coloured light for being all higher than being reflected by first electrophoresis particle and, the described first color film and described
Second color film is arranged in different sub-pixels, by that can form the second coloured light after the described first color film, passes through described second
Three coloured light can be formed after color film, first coloured light, second coloured light are different with the color state of the three coloured light.
Optionally, methods described also includes:
Determine the thickness and the first color film and the second color film of the described first color film and the second color film
Material, so that the luminous intensity of first coloured light, second coloured light and the three coloured light sent in each pixel
It is identical.
Compared with prior art, color electric paper of the invention and preparation method thereof, realizes following beneficial effect:
(1) the first electrophoresis particle, the second electrophoresis particle, the 3rd electrophoresis of color state inequality are set in each sub-pixel
Four kinds of electrophoretic mediums of particle and the 4th electrophoresis particle, while setting color film in the first side of electrophoretic medium, the first electrophoresis particle is anti-
The first coloured light is projected, the second electrophoresis particle reflects the second coloured light, through color film formation three coloured light, wherein, the first coloured light, the
Dichroscope and the color of three coloured light are different, realize color electric paper colour display functions, simultaneously as light is through color film
Light intensity can be reduced afterwards, set by the first electrophoresis particle reflect the first coloured light sub-pixel area and, by the second electrophoresis particle
Reflect the area of the sub-pixel of the second coloured light and be respectively less than the area for the sub-pixel that color film is set and larger color film surface is set
The loss to make up light through light intensity after color film is accumulated, the wind that colour cast and dark line occurs in color electric paper viewing area is reduced
Danger, color electric paper shows excellent.
(2) the first electrophoresis particle, the second electrophoresis particle and the 3rd electricity of color state inequality are set in each sub-pixel
Swim three kinds of electrophoretic mediums of particle, while set the first color film and the second color film in the first side of electrophoretic medium, the first coloured silk film and the
Two color films are arranged in different sub-pixels, and the first electrophoresis particle reflects the first coloured light, by that can be formed after the first color film
Second coloured light, by the way that three coloured light can be formed after the second color film, wherein, the color of the first coloured light, the second coloured light and three coloured light
It is color different, color electric paper colour display functions are realized, because light can be reduced by light intensity after color film, the first color film is set
The area of sub-pixel and, set the second color film sub-pixel the first color for being reflected by the first electrophoresis particle of area and being all higher than
The area of the sub-pixel of light and, set larger color membrane area to make up by the light intensity loss after color film, reduce technicolo
There is the risk of colour cast and dark line in sub- paper viewing area, and color electric paper shows excellent.
Certainly, implement the present invention any product must not specific needs simultaneously reach all the above technique effect.
By referring to the drawings to the detailed description of the exemplary embodiment of the present invention, further feature of the invention and its
Advantage will be made apparent from.
Brief description of the drawings
The accompanying drawing for being combined in the description and constituting a part for specification shows embodiments of the invention, and even
It is used for the principle for explaining the present invention together with its explanation.
Fig. 1 is a kind of embodiment signal of electrophoretic medium in the sub-pixel of color electric paper provided in an embodiment of the present invention
Figure;
Fig. 2 for color electric paper provided in an embodiment of the present invention pixel prize film setting a kind of embodiment signal
Figure;
Fig. 3 moves schematic diagram to apply voltage rear electrophoresis particle;
When Fig. 4 includes 3 sub-pixels for pixel in color electric paper provided in an embodiment of the present invention, color film sets signal
Figure;
Fig. 5 is the film layer structure figure of color electric paper provided in an embodiment of the present invention;
Fig. 6 illustrates for a kind of vertical view of embodiment of the pixel arrangement of color electric paper provided in an embodiment of the present invention
Figure;
Fig. 7 illustrates for the vertical view of the another embodiment of the pixel arrangement of color electric paper provided in an embodiment of the present invention
Figure;
Fig. 8 illustrates for electrophoretic medium another embodiment in the sub-pixel of color electric paper provided in an embodiment of the present invention
Figure;
Fig. 9 shows for the prize another embodiment of film setting of the pixel of color electric paper provided in an embodiment of the present invention
It is intended to;
Figure 10 moves schematic diagram to apply voltage rear electrophoresis particle;
Figure 11 shows for the vertical view of the another embodiment of the pixel arrangement of color electric paper provided in an embodiment of the present invention
It is intended to;
Figure 12 illustrates for a kind of flow of embodiment of the preparation method of color electric paper provided in an embodiment of the present invention
Figure;
Figure 13 illustrates for a kind of flow of embodiment of the preparation method of color electric paper provided in an embodiment of the present invention
Figure;
Embodiment
The various exemplary embodiments of the present invention are described in detail now with reference to accompanying drawing.It should be noted that:Unless had in addition
Body illustrates that the part and the positioned opposite of step, numerical expression and numerical value otherwise illustrated in these embodiments does not limit this
The scope of invention.
The description only actually at least one exemplary embodiment is illustrative below, never as to the present invention
And its any limitation applied or used.
It may be not discussed in detail for technology, method and apparatus known to person of ordinary skill in the relevant, but suitable
In the case of, the technology, method and apparatus should be considered as a part for specification.
In shown here and discussion all examples, any occurrence should be construed as merely exemplary, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should be noted that:Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it need not be further discussed in subsequent accompanying drawing in individual accompanying drawing.
The invention provides a kind of embodiment of color electric paper, wherein, the viewing area of color electric paper is by multiple pictures
Element is formed, and each pixel includes at least three sub-pixels;
Color electric paper includes electrophoretic medium, as shown in figure 1, in each sub-pixel, electrophoretic medium includes color shape
The first electrophoresis particle P1, the second electrophoresis particle P2, the 3rd electrophoresis particle P3 and the 4th electrophoresis particle P4 of state inequality;
Color electric paper also includes the color film for being arranged at the first side of electrophoretic medium, in each pixel, as shown in Fig. 2
The area and A1 of the sub-pixel of the first coloured light are reflected by the first electrophoresis particle, the second coloured light is reflected by the second electrophoresis particle
The area and A2 of sub-pixel are respectively less than the area and A3 for the sub-pixel for setting color film, wherein, by forming three coloured light after color film,
The color of first coloured light, the second coloured light and three coloured light is different.It should be noted that the sub- picture of the color film of the setting provided in Fig. 2
Vegetarian noodles product exemplary illustration, be not pixel is prized film arrangement mode restriction.
First electrophoresis particle P1 of color state inequality, the second electrophoresis particle P2, the 3rd electrophoresis particle in color electric paper
P3 and the 4th electrophoresis particle P4 is electrically charged electrophoresis particle, and each electrophoresis particle can produce movement under electric field action,
The distance of electrophoresis particle movement is relevant with the size, electric field level and electric field duration that electrophoresis particle carries electric charge with speed.
It is assumed that the first electrophoresis particle P1 starts movement when voltage is E in certain sub-pixel, when applying voltage more than E, such as
Shown in Fig. 3, the first electrophoresis particle P1 starts the surface movement to the close viewing area of color electric paper, so as to be shown in viewing area
First electrophoresis particle reflects the first coloured light, it is assumed that the first electrophoresis particle color state is red, then sub-pixel display is red.
Likewise, can apply different voltages controls the second electrophoresis particle, the 3rd electrophoresis particle or the movement of the 4th electrophoresis particle respectively,
Then subpixel area shows monochromatic light, or a variety of electrophoresis particles can also be controlled to move, then subpixel area shows a variety of electrophoresis
The color of light after particles stacked, the subpixel area for setting color film, with color film after the light outgoing after electrophoresis particle reflection
Color addition, finally shows color after superposition in viewing area.
By adjusting the voltage applied to electrophoresis particle in the sub-pixel of A1, A2 and A3 region, a kind of electrophoresis particle is controlled to move
The movement of dynamic or a variety of electrophoresis particles, so that the light extraction color in A1, A2 and A3 region is controlled, according to the colour mixture principle of light, energy
Enough realize shows a variety of different colors in viewing area.
Color electric paper provided in an embodiment of the present invention, sets the first electrophoresis of color state inequality in each sub-pixel
Particle, the second electrophoresis particle, four kinds of electrophoretic mediums of the 3rd electrophoresis particle and the 4th electrophoresis particle, while the first of electrophoretic medium
Side sets color film, and the first electrophoresis particle reflects the first coloured light, and the second electrophoresis particle reflects the second coloured light, is formed through color film
Three coloured light, wherein, the color of the first coloured light, the second coloured light and three coloured light is different, realizes color electric paper colour display
Function, simultaneously as light can be reduced through light intensity after color film, sets the sub- picture that the first coloured light is reflected by the first electrophoresis particle
The area of element and, reflected by the second electrophoresis particle the second coloured light sub-pixel area and be respectively less than the sub-pixel that color film is set
Area and, set larger color membrane area to make up loss of the light through light intensity after color film, reduce color electric paper and show
Show that the risk of colour cast and dark line occurs in region, color electric paper shows excellent.
Alternatively, the luminous intensity of the first coloured light, the second coloured light and the three coloured light that are sent in each pixel is identical.Specifically
Ground, can be by adjusting the area of color film, or by adjusting area, thickness and the material of color film, so as to be sent in each pixel
Three coloured light luminous intensity it is identical.By adjusting area, thickness and the material of color film, make in pixel, pass through what is formed after color film
Three coloured light is with reflecting the first coloured light by the first electrophoresis particle and the luminous intensity of the second coloured light being reflected by the second electrophoresis particle
It is identical, it is ensured that color diaphragm area is set and not set color diaphragm area emitting brightness homogeneous, color electric paper is further reduced and shows
There is the risk of colour cast and dark line in region.
Alternatively, pixel includes 3 sub-pixels, as shown in figure 4, wherein, it is smaller and equal that 3 sub-pixels include area
Two sub-pixels sp1 and sp2, in addition to a larger sub-pixel sp3 of area, the larger sub-pixel of area is arranged at by color film
In sp3, so as to reflect the area of the sub-pixel of the first coloured light by the first electrophoresis particle and with being reflected by the second electrophoresis particle
The area of the sub-pixel of second coloured light and equal, and be respectively less than the sub-pixel that color film is set area and.Face is illustrate only in Fig. 4
Pixel arrangement situation of the larger sub-pixel of product in the middle of two smaller and equal sub-pixels of area, and pixel includes 3
During sub-pixel, the arrangement of 3 sub-pixels can also be disposed adjacent for two smaller and equal sub-pixels of area, and area is larger
Sub-pixel is disposed adjacent with the smaller sub-pixel of one of area.
Pixel includes smaller and equal two sub-pixels and a larger sub-pixel of area of area, totally 3 pixels, color
Film is arranged in the larger sub-pixel of area, reflected by the first electrophoresis particle the sub-pixel of the first coloured light area and with by
Two electrophoresis particles reflect the area of the sub-pixel of the second coloured light and equal, and are respectively less than the area for the sub-pixel for setting color film
Loss of the light through light intensity after color film is made up with, the color membrane area larger by setting, color electric paper is reduced and shows
There is the risk of colour cast and dark line in region, and color electric paper shows excellent.
Alternatively, pixel includes the sub-pixel of N number of area equation, in each pixel, and color film is arranged at N/2 sub-pixel
It is interior, N be 4 multiple so that reflected by the first electrophoresis particle the sub-pixel of the first coloured light area and with by the second electrophoresis grain
Son reflects the area of the sub-pixel of the second coloured light and equal, is the half of the area sum for the sub-pixel for setting color film.Pass through
Adjustment sets the area of color film so that reflect the first coloured light by the three coloured light formed after color film and by the first electrophoresis particle
It is identical with the luminous intensity that the second coloured light is reflected by the second electrophoresis particle, it is ensured that viewing area pixel intensity is homogeneous, further
Reduce the risk that colour cast and dark line occurs in color electric paper viewing area.
Still optionally further, pixel is formed by four sub-pixels, in each pixel, and color film is arranged at two sub-pixels
It is interior, wherein, the color electric paper for being shaped as rectangle, four sub-pixels for forming pixel can be along the long side of color electric paper
Direction is arranged in a line, or, forming four sub-pixels of pixel can arrange along the short side direction of color electric paper in a line,
Or, also can be using other arrangement modes.
In a kind of embodiment of color electric paper, with reference to Fig. 5 and Fig. 6, Fig. 5 is technicolo provided in an embodiment of the present invention
The film layer structure figure of sub- paper, Fig. 6 is the pixel arrangement schematic top plan view of color electric paper provided in an embodiment of the present invention.
As shown in figure 5, color film of the color electric paper including electrophoretic medium 501, the first side for being arranged at electrophoretic medium 501
502nd, the electrocoating film 503 between electrophoretic medium 501 and color film 502 is arranged at, color film 502 is arranged at away from electrophoretic medium 501 1
The diaphragm 504 of side and the substrate 505 for the second side for being arranged at electrophoretic medium.
Wherein, the viewing area of color electric paper is formed by multiple pixels, and each pixel includes four sub-pixels, electrocoating film
For the public electrode of each sub-pixel, the pixel electrode of each sub-pixel is set on substrate.
In each sub-pixel, electrophoretic medium including the first electrophoresis particle of color state inequality, the second electrophoresis particle,
There is red color, the second electrophoresis particle to have for 3rd electrophoresis particle and the 4th electrophoresis particle, specifically, the first electrophoresis particle
There is the color of green, the 3rd electrophoresis particle the color of black, the 4th electrophoresis particle to have the color of white, and color film has blue
Color.
Specifically, setting the schematic diagram of the pixel arrangement of color film as shown in fig. 6, in each pixel, forming the four of pixel
Individual sub-pixel is in 2*2 array arrangement, and the color film of the color with blueness is arranged at two sub- pictures of the diagonal positions of array
In plain sp4.The area of the sub-pixel of the first coloured light is reflected by the first electrophoresis particle and with reflecting by the second electrophoresis particle
The area of the sub-pixel of dichroscope and equal, is the half of the area sum for the sub-pixel for setting color film.
Each sub-pixel corresponds to a pixel electrode in color electric paper, applies after voltage, can be in electrophoretic medium region
Electric field is formed, the first electrophoresis particle of color state inequality, the second electrophoresis particle, the 3rd electrophoresis particle and the 4th electrophoresis particle are equal
Electrically charged electrophoresis particle, each electrophoresis particle can produce movement under electric field action, the distance of electrophoresis particle movement with
Speed is relevant with size, electric field level and electric field duration that electrophoresis particle carries electric charge.
It is assumed that the first electrophoresis particle starts movement when voltage is E in certain sub-pixel, and when applying voltage more than E, first
Electrophoresis particle starts to the close diaphragm side movement of color electric paper, so as to show that the first electrophoresis particle reflects in viewing area
Go out the aobvious red of the first coloured light, i.e. sub-pixel.Likewise, can apply different voltages controls the second electrophoresis particle, the 3rd respectively
Electrophoresis particle or the movement of the 4th electrophoresis particle, then subpixel area shows monochromatic light, or a variety of electrophoresis particles can also be controlled to move
Dynamic, then subpixel area shows the light after a variety of electrophoresis particle superpositions, and the subpixel area for setting color film, electrophoresis particle is anti-
With color film color addition after light outgoing after penetrating, color after superposition is finally shown in viewing area.
For example, when the color in two sub-pixel sp4 for applying the interior setting blue color film of voltage control pixel with white
The 4th electrophoresis particle movement, control be not provided with two sub-pixels of color film with black color the 3rd electrophoresis particle move
Dynamic, then the pixel is aobvious blue.For example set it is also possible that applying in voltage control pixel in two sub-pixel sp4 of blue color film
The first electrophoresis particle movement with red color, control is not provided with the color in two sub-pixels of color film with white
4th electrophoresis particle is moved, the red blue aobvious purple of superposition, then the pixel shows purple.
According to the colour mixture principle of light, it can be realized and developed the color by a variety of colour mixture schemes, can be with by applying alive change
A kind of electrophoresis particle movement or the movement of a variety of electrophoresis particles are controlled, can realize and show a variety of not homochromy in viewing area
It is color.
The each pixel in viewing area includes four sub-pixels, and four sub-pixels are in 2*2 array arrangement, and color film is arranged at
In two sub-pixels of the diagonal positions of array or with two sub-pixels of a line or same row, reflected by the first electrophoresis particle
Go out the area of the sub-pixel of the first coloured light and the area with sub-pixel that the second coloured light is reflected by the second electrophoresis particle and equal,
It is the half of the area sum for the sub-pixel that color film is set, the color membrane area larger by setting is come after making up light through color film
The loss of light intensity, the light intensity complete one for ensuring to go out through the luminous intensity and electrophoresis ion reflections of color film by color film periodic arrangement
Sample, so that it is bad to be prevented effectively from the display such as colour cast and dark line.
In the embodiment of another color electric paper, the film layer structure of color electric paper refers to Fig. 5, wherein, technicolo
Sub- paper include electrophoretic medium 501, be arranged at electrophoretic medium 501 the first side color film 502, be arranged at electrophoretic medium 501 with it is color
Electrocoating film 503 between film 502, is arranged at diaphragm 504 of the color film 502 away from the side of electrophoretic medium 501 and is arranged at electrophoresis
The substrate 505 of second side of medium.
Wherein, the viewing area of color electric paper is formed by multiple pixels, and each pixel includes three pixel regions, each
Include multiple sub-pixels in pixel region, electrocoating film is to set each sub-pixel on the public electrode of each sub-pixel, substrate
Pixel electrode.
In each sub-pixel, electrophoretic medium including the first electrophoresis particle of color state inequality, the second electrophoresis particle,
There is red color, the second electrophoresis particle to have for 3rd electrophoresis particle and the 4th electrophoresis particle, specifically, the first electrophoresis particle
There is the color of green, the 3rd electrophoresis particle the color of black, the 4th electrophoresis particle to have the color of white, and color film has blue
Color.
Specifically, as shown in fig. 7, each pixel includes the first pixel region S1, surrounds the of the first pixel region S1
Two pixel region S2 and the 3rd pixel region S3 for surrounding the second pixel region S2, wherein, sub-pixel in the second pixel region S2
Number and the 3rd region S3 in the number of sub-pixel be N/4, the number of sub-pixel is N/2 in the first pixel region S1
Individual, color film is arranged at each sub-pixel in the first pixel region S1.
Each sub-pixel corresponds to a pixel electrode in color electric paper, applies after voltage, can be in electrophoretic medium region
Electric field is formed, the first electrophoresis particle of color state inequality, the second electrophoresis particle, the 3rd electrophoresis particle and the 4th electrophoresis particle are equal
Electrically charged electrophoresis particle, each electrophoresis particle can produce movement under electric field action, the distance of electrophoresis particle movement with
Speed is relevant with size, electric field level and electric field duration that electrophoresis particle carries electric charge.
It is assumed that the first electrophoresis particle starts movement when voltage is E in sub-pixel, and when applying voltage more than E, the first electricity
Swimming particle starts to the close diaphragm side movement of color electric paper, so as to show that the first electrophoresis particle is reflected in viewing area
The aobvious red of first coloured light, i.e. sub-pixel.Likewise, can apply different voltages controls the second electrophoresis particle, the 3rd electricity respectively
Swimming particle or the movement of the 4th electrophoresis particle, then subpixel area shows monochromatic light, or a variety of electrophoresis particles can also be controlled to move,
Then subpixel area shows the light after a variety of electrophoresis particle superpositions, the subpixel area for setting color film, electrophoresis particle reflection
With color film color addition after light outgoing afterwards, color after superposition is finally shown in viewing area.
For example, when the color in the first pixel region S1 for applying the interior setting blue color film of voltage control pixel with white
The movement of the 4th electrophoresis particle, control is not provided with the second pixel region S2 of color film and the 3rd pixel region S3 with black
The 3rd electrophoresis particle movement of color, then the pixel is aobvious blue.Blue color for example is set it is also possible that applying in voltage control pixel
There is the first electrophoresis particle movement of red color, control is not provided with the second pixel of color film in first pixel region S1 of film
There is the 4th electrophoresis particle movement of the color of white, the red blue aobvious purple of superposition then should in region S2 and the 3rd pixel region S3
Pixel shows purple.
According to the colour mixture principle of light, it can be realized and developed the color by a variety of colour mixture schemes, by public electrode and pixel electricity
Alive change is applied between pole can control a kind of electrophoresis particle movement or the movement of a variety of electrophoresis particles, can realize
Viewing area shows a variety of different colors.
The each pixel in viewing area includes the first pixel region, surrounds the second pixel region and bag of the first pixel region
The 3rd pixel region of the second pixel region is enclosed, wherein, the number of sub-pixel and sub- picture in the 3rd region in the second pixel region
The number of element is N/4, and the number of sub-pixel is N/2 in the first pixel region, and color film is arranged in the first pixel region
Each sub-pixel.The area of the sub-pixel of the first coloured light is reflected by the first electrophoresis particle and with being reflected by the second electrophoresis particle
Go out the area of the sub-pixel of the second coloured light and equal, be the half of the area sum for the sub-pixel that color film is set, by set compared with
Big color membrane area makes up loss of the light through light intensity after color film, and the light through color film is ensured by color film periodic arrangement
The light intensity that intensity and electrophoresis ion reflections go out is just the same, so that it is bad to be prevented effectively from the display such as colour cast and dark line.
By the electrophoresis particle and a kind of scheme of color film of four kinds of colors of setting in above-described embodiment, color electric is realized
Paper display function, by color film periodic arrangement, is prevented effectively from viewing area colour cast and dark line etc. and shows bad problem.It is of the invention real
Apply example and another scheme is also provided equally solves color electric paper viewing area colour cast and dark line etc. and show bad problem.
The embodiments of the invention provide another color electric paper, viewing area is formed by multiple pixels, each pixel bag
Include at least three sub-pixels;
Color electric paper includes electrophoretic medium, as shown in figure 8, in each sub-pixel, electrophoretic medium includes color shape
The first electrophoresis particle D1, the second electrophoresis particle D2 and the 3rd electrophoresis particle D3 of state inequality;
Color electric paper also includes the first color film and the second color film for being arranged at the first side of electrophoretic medium, in each pixel
It is interior, as shown in figure 9, setting the area and B1 of the sub-pixel of the first color film, the area of the sub-pixel of the color film of setting second and B2 equal
More than the area and B3 of the sub-pixel of the first coloured light reflected by the first electrophoresis particle, wherein, the first color film and the second color film
It is arranged in different sub-pixels, by the way that the second coloured light can be formed after the first color film, by the way that the can be formed after the second color film
Three coloured light, the color of the first coloured light, the second coloured light and three coloured light is different.The sub-pixel area of the color film of setting provided in Fig. 9
Exemplary illustration, be not for pixel prize film arrangement mode restriction.
The first electrophoresis particle, the second electrophoresis particle and the 3rd electrophoresis particle of color state inequality are electrically charged electrophoresis
Particle, each electrophoresis particle can produce movement, the distance and speed and electrophoresis particle of electrophoresis particle movement under electric field action
Size, the electric field level for carrying electric charge are relevant with electric field duration.
It is assumed that the first electrophoresis particle starts movement when voltage is E in sub-pixel, and when applying voltage more than E, such as Figure 10
Shown, the first electrophoresis particle D1 starts the surface movement to the close viewing area of color electric paper, so as to show the in viewing area
One electrophoresis particle reflects the first coloured light, it is assumed that the first electrophoresis particle color state is red, then sub-pixel viewing area shows red
Color, according to the colour mixture principle of light, by that to applying alive change a kind of electrophoresis particle can be controlled to move or a variety of electrophoresis
The movement of particle, can realize and a variety of different colors are shown in viewing area.
The color electric paper that the present invention is provided, in each sub-pixel set color state inequality the first electrophoresis particle,
Three kinds of electrophoretic mediums of second electrophoresis particle and the 3rd electrophoresis particle, while setting the first color film and the in the first side of electrophoretic medium
Two color films, the first color film is arranged in different sub-pixels from the second color film, and the first electrophoresis particle reflects the first coloured light, passes through
The second coloured light can be formed after first color film, by the way that three coloured light can be formed after the second color film, wherein, the first coloured light, second
Coloured light and the color of three coloured light are different, color electric paper colour display functions are realized, because light passes through light intensity meeting after color film
Reduction, set the sub-pixel of the first color film area and, set the second color film sub-pixel area and be all higher than by the first electricity
The area for the sub-pixel of the first coloured light that swimming particle is reflected and, set larger color membrane area to make up by the light after color film
Strong loss, reduces the risk that colour cast and dark line occurs in color electric paper viewing area, color electric paper shows excellent.
Alternatively, the luminous intensity of the first coloured light, the second coloured light and the three coloured light that are sent in each pixel is identical.Specifically
Ground, can be by adjusting the area of color film, or by adjusting area, thickness and the material of color film, so as to be sent in each pixel
Three coloured light luminous intensity it is identical.By adjusting area, thickness and the material of color film, make in pixel, pass through energy after the first color film
The second coloured light is enough formed, by that can form three coloured light after the second color film and the light of the first color is reflected by the first electrophoresis particle
Intensity is identical, it is ensured that set color diaphragm area and not set color diaphragm area emitting brightness homogeneous, further reduce color electric paper
There is the risk of colour cast and dark line in viewing area.
Optionally, pixel includes the sub-pixel of at least N number of area equation, in each pixel, the first color film and the second coloured silk
Film may be contained withinIn individual sub-pixel, N is 5 multiple, set the sub-pixel of the first color film area and, the second color film is set
Sub-pixel the area of the sub-pixel of the first coloured light that is reflected by the first electrophoresis particle of area and being all higher than and.
Further alternative, pixel is formed by five sub-pixels, in each pixel, and the first color film is all provided with the second color film
It is placed in two sub-pixels.Wherein, for being shaped as the color electric paper of rectangle, five sub-pixels for forming pixel can be along coloured silk
The transverse direction of color Electronic Paper is arranged in order, or, forming five sub-pixels of pixel can successively arrange along the longitudinal direction of color electric paper
Row, or, also can be using other arrangement modes.
Specifically, as shown in figure 11, setting two sub-pixel sp5 of the first color film to be disposed adjacent, the second color film is set
Two sub-pixel sp6 are disposed adjacent, and sub-pixel sp7 is not provided with color film.Figure 11 illustrate only a kind of pixel arrangements, for five
In the pixel of individual sub-pixel formation, the first color film and the second color film may be contained within two sub-pixels.The pixel row of color film is set
Row also include a variety of situations, for example, setting the sub-pixel of the first color film, setting the sub-pixel of the second color film and not setting the son of color film
The situation that pixel is alternately arranged is within the scope of the application protection.
Further, the film layer structure for the color electric paper that the present embodiment is provided refers to Fig. 5, and color electric paper includes electrophoresis
Medium 501, the electricity for being arranged at the color film 502 of the first side of electrophoretic medium 501, being arranged at electrophoretic medium 501 between color film 502
Swimming film 503, is arranged at diaphragm 504 of the color film 502 away from the side of electrophoretic medium 501 and is arranged at the second side of electrophoretic medium
Substrate 505.Wherein, the viewing area of color electric paper is formed by multiple pixels, and each pixel includes four sub-pixels, electrocoating film
For the public electrode of each sub-pixel, the pixel electrode of each sub-pixel is set on substrate.
In each sub-pixel, electrophoretic medium including the first electrophoresis particle of color state inequality, the second electrophoresis particle,
There is red color, the second electrophoresis particle to have the color of black, for 3rd electrophoresis particle, specifically, the first electrophoresis particle
Three electrophoresis particles have the color of white, and the first color film has the color of blueness, and the second color film has viridescent color.
Specifically, formed with pixel by the sub-pixel of five area equations, in each pixel, the first color film and the second coloured silk
Film may be contained within two sub-pixels, with reference to Figure 11, and two sub-pixel sp5 regions set blue color film, two sub-pixel sp6 areas
Domain sets green tint film, and sub-pixel sp7 is not provided with color film, for example, when applying voltage, two sub-pixel sp5 of control have black
Color the movement of the second electrophoresis particle, two sub-pixel sp6 of control have the 3rd electrophoresis particle movement of the color of white, control
System pixel sp7 has the 3rd electrophoresis particle movement of the color of white, then pixel display green;In another example, it is electric when applying
Voltage-controlled two sub-pixel sp5 of system have the 3rd electrophoresis particle movement of the color of white, and two sub-pixel sp6 of control have white
Color the movement of the 3rd electrophoresis particle, control sub-pixel sp7 has the first electrophoresis particle movement of red color, according to light
Colour mixture principle, then the pixel display white.Change by applying voltage to pixel electrode can control a kind of electrophoresis grain
Son movement or the movement of a variety of electrophoresis particles, according to the colour mixture principle of light, can realize and a variety of differences are shown in viewing area
Color.
Above-mentioned is the embodiment for the color electric paper that the present invention is provided, and the embodiments of the invention provide a kind of color electric paper
Preparation method, for making above-mentioned color electric paper, those skilled in the art are when understanding technical solution of the present invention, on coloured silk
The embodiment of the embodiment of color Electronic Paper and preparation method on color electric paper, can mutually be referred to.
The embodiment of the present invention provides a kind of preparation method of color electric paper, and the viewing area of color electric paper is by multiple pictures
Element is formed, and each pixel includes at least three sub-pixels, and color electric paper includes electrophoretic medium and is arranged at electrophoretic medium first
The color film of side, preparation method flow is as shown in figure 12, including:
Step S101:Determine the first electrophoresis particle, the second electrophoresis particle, the 3rd electricity of color state inequality in electrophoretic medium
Swimming particle and the 4th electrophoresis particle;
Step S102:It is determined that the sub-pixel that color film is covered in each pixel, wherein, in each pixel, by the first electrophoresis
Particle reflect the sub-pixel of the first coloured light area and, reflected by the second electrophoresis particle the second coloured light sub-pixel area
With the area for being respectively less than the sub-pixel that color film is set and, wherein, by that can form three coloured light after color film, the first coloured light, the
Dichroscope and the color of three coloured light are different.
Further, the preparation method for the color electric paper that the present embodiment is provided, in addition to step S103:It is determined that color film
The material of thickness and color film, so that the luminous intensity of the first coloured light, the second coloured light and the three coloured light sent in each pixel is identical.
The preparation method of color electric paper provided in an embodiment of the present invention, sets color state inequality in each sub-pixel
The first electrophoresis particle, the second electrophoresis particle, four kinds of electrophoretic mediums of the 3rd electrophoresis particle and the 4th electrophoresis particle, while in electrophoresis
First side of medium sets color film, and the first electrophoresis particle reflects the first coloured light, and the second electrophoresis particle reflects the second coloured light, thoroughly
Color film formation three coloured light is crossed, wherein, the color of the first coloured light, the second coloured light and three coloured light is different, realizes color electric
Paper colour display functions, simultaneously as light can be reduced through light intensity after color film, setting reflects first by the first electrophoresis particle
The area of the sub-pixel of coloured light and, reflected by the second electrophoresis particle the second coloured light sub-pixel area and be respectively less than and set color
The area of the sub-pixel of film and, set larger color membrane area to make up loss of the light through light intensity after color film, reduce coloured silk
There is the risk of colour cast and dark line in color Electronic Paper viewing area, and the color electric paper of making shows excellent.
The preparation method that the embodiment of the present invention provides another color electric paper, the viewing area of color electric paper is by multiple
Pixel is formed, and each pixel includes at least three sub-pixels, and color electric paper includes electrophoretic medium and is arranged at electrophoretic medium the
The color film of the first of side and the second color film, preparation method flow are as shown in figure 13, including:
Step S201:Determine the first electrophoresis particle, the second electrophoresis particle and the 3rd of color state inequality in electrophoretic medium
Electrophoresis particle;
Step S202:The sub-pixel that the first color film and the second color film are covered in each pixel is determined, wherein, in each picture
In plain, set the sub-pixel of the first color film area and, set the second color film sub-pixel area and be all higher than by the first electricity
The area for the sub-pixel of the first coloured light that swimming particle is reflected and, the first color film and the second color film are arranged at different sub-pixels
It is interior, by the way that the second coloured light can be formed after the first color film, by that can form three coloured light after the second color film, the first coloured light, the
Dichroscope and the color state of three coloured light are different.
Further, the preparation method for the color electric paper that the present embodiment is provided, in addition to step S203:Determine that first is color
The material of the thickness and the first color film and the second color film of film and the second color film, so that the first coloured light sent in each pixel,
The luminous intensity of second coloured light and three coloured light is identical.
The preparation method of color electric paper provided in an embodiment of the present invention, sets color state inequality in each sub-pixel
The first electrophoresis particle, three kinds of electrophoretic mediums of the second electrophoresis particle and the 3rd electrophoresis particle, while in the first side of electrophoretic medium
First color film and the second color film are set, and the first color film is arranged in different sub-pixels from the second color film, and the first electrophoresis particle is anti-
The first coloured light is projected, by the way that the second coloured light can be formed after the first color film, by the way that three coloured light can be formed after the second color film, its
In, the color of the first coloured light, the second coloured light and three coloured light is different, color electric paper colour display functions is realized, due to light
Can be reduced by light intensity after color film, set the sub-pixel of the first color film area and, set the second color film sub-pixel area
With the area of the sub-pixel for the first coloured light for being all higher than being reflected by the first electrophoresis particle and, set larger color membrane area to come more
Mend by the light intensity loss after color film, reduce the risk that colour cast and dark line occurs in color electric paper viewing area, the coloured silk of making
Color Electronic Paper shows excellent.
By above-described embodiment, color electric paper of the invention and preparation method thereof has reached following beneficial effect
Really:
(1) the first electrophoresis particle, the second electrophoresis particle, the 3rd electrophoresis of color state inequality are set in each sub-pixel
Four kinds of electrophoretic mediums of particle and the 4th electrophoresis particle, while setting color film in the first side of electrophoretic medium, the first electrophoresis particle is anti-
The first coloured light is projected, the second electrophoresis particle reflects the second coloured light, through color film formation three coloured light, wherein, the first coloured light, the
Dichroscope and the color of three coloured light are different, realize color electric paper colour display functions, simultaneously as light is through color film
Light intensity can be reduced afterwards, set by the first electrophoresis particle reflect the first coloured light sub-pixel area and, by the second electrophoresis particle
Reflect the area of the sub-pixel of the second coloured light and be respectively less than the area for the sub-pixel that color film is set and larger color film surface is set
The loss to make up light through light intensity after color film is accumulated, the wind that colour cast and dark line occurs in color electric paper viewing area is reduced
Danger, color electric paper shows excellent.
(2) the first electrophoresis particle, the second electrophoresis particle and the 3rd electricity of color state inequality are set in each sub-pixel
Swim three kinds of electrophoretic mediums of particle, while set the first color film and the second color film in the first side of electrophoretic medium, the first coloured silk film and the
Two color films are arranged in different sub-pixels, and the first electrophoresis particle reflects the first coloured light, by that can be formed after the first color film
Second coloured light, by the way that three coloured light can be formed after the second color film, wherein, the color of the first coloured light, the second coloured light and three coloured light
It is color different, color electric paper colour display functions are realized, because light can be reduced by light intensity after color film, the first color film is set
The area of sub-pixel and, set the second color film sub-pixel the first color for being reflected by the first electrophoresis particle of area and being all higher than
The area of the sub-pixel of light and, set larger color membrane area to make up by the light intensity loss after color film, reduce technicolo
There is the risk of colour cast and dark line in sub- paper viewing area, and color electric paper shows excellent.
Although some specific embodiments of the present invention are described in detail by example, the skill of this area
Art personnel are it should be understood that example above is merely to illustrate, the scope being not intended to be limiting of the invention.The model of the present invention
Enclose and be defined by the following claims.It should be appreciated by those skilled in the art can not depart from scope and spirit of the present invention
In the case of, above example is modified.
Claims (20)
1. a kind of color electric paper, it is characterised in that
The viewing area of the color electric paper is formed by multiple pixels, and each pixel includes at least three sub-pixels;
The color electric paper includes electrophoretic medium, in each sub-pixel, and the electrophoretic medium includes color state
The first electrophoresis particle, the second electrophoresis particle, the 3rd electrophoresis particle and the 4th electrophoresis particle of inequality;
The color electric paper also includes the color film for being arranged at the first side of the electrophoretic medium, in each pixel, by
First electrophoresis particle reflect the sub-pixel of the first coloured light area and, the second color reflected by second electrophoresis particle
The area of the sub-pixel of light and be respectively less than the sub-pixel that the color film is set area and, wherein, by can after the color film
Three coloured light is formed, first coloured light, second coloured light are different with the color of the three coloured light.
2. color electric paper according to claim 1, it is characterised in that first color sent in each pixel
Light, second coloured light are identical with the luminous intensity of the three coloured light.
3. color electric paper according to claim 1, it is characterised in that the pixel includes at least N number of area equation
Sub-pixel, in each pixel, the color film is arranged in N/2 sub-pixel, and N is 4 multiple.
4. color electric paper according to claim 3, it is characterised in that the pixel is formed by four sub-pixels, every
In the individual pixel, the color film is arranged in two sub-pixels.
5. color electric paper according to claim 4, it is characterised in that four sub-pixels for forming the pixel are in 2*2
Array arrangement.
6. color electric paper according to claim 5, it is characterised in that the color film is arranged at the diagonal of the array
In two sub-pixels of position.
7. color electric paper according to claim 3, it is characterised in that the pixel includes the first pixel region, surrounded
Second pixel region of first pixel region and the 3rd pixel region for surrounding second pixel region, wherein, it is described
The number of sub-pixel and the number of sub-pixel in the 3rd region are N/4 individual, first pixel in second pixel region
The number of sub-pixel is N/2 in region, and the color film is arranged at each sub-pixel in first pixel region.
8. color electric paper according to claim 1, it is characterised in that the color electric paper also includes:
It is arranged at the pixel electrode that each sub-pixel is set on the substrate of the second side of the electrophoretic medium, the substrate;
The electrocoating film between the electrophoretic medium and the color film is arranged at, the electrocoating film is the public of each sub-pixel
Electrode;
It is arranged at diaphragm of the color film away from the electrophoretic medium side.
9. color electric paper according to any one of claim 1 to 8, it is characterised in that the first electrophoresis particle tool
There are the color of red, second electrophoresis particle to have viridescent color, the 3rd electrophoresis particle has the color of black, institute
Stating the 4th electrophoresis particle has the color of white, and the color film has the color of blueness.
10. a kind of color electric paper, it is characterised in that
The viewing area of the color electric paper is formed by multiple pixels, and each pixel includes at least three sub-pixels;
The color electric paper includes electrophoretic medium, in each sub-pixel, and the electrophoretic medium includes color state
The first electrophoresis particle, the second electrophoresis particle and the 3rd electrophoresis particle of inequality;
The color electric paper also includes the first color film and the second color film for being arranged at the first side of the electrophoretic medium, each
In the pixel, set the sub-pixel of the described first color film area and, set the described second color film sub-pixel area and
Be all higher than the area of the sub-pixel of the first coloured light that is reflected by first electrophoresis particle and, wherein, the described first color film with
Described second color film is arranged in different sub-pixels, by that can form the second coloured light after the described first color film, by described
Three coloured light can be formed after second color film, first coloured light, second coloured light are different with the color of the three coloured light.
11. color electric paper according to claim 10, it is characterised in that described first sent in each pixel
Coloured light, second coloured light are identical with the luminous intensity of the three coloured light.
12. color electric paper according to claim 10, it is characterised in that the pixel includes at least N number of area equation
Sub-pixel, in each pixel, the first color film and the second color film may be contained within 25N sub-pixel, and N is
5 multiple.
13. color electric paper according to claim 12, it is characterised in that the pixel is formed by five sub-pixels,
In each pixel, the described first color film may be contained within two sub-pixels with the described second color film.
14. color electric paper according to claim 13, it is characterised in that form five sub-pixels of the pixel along institute
State laterally or longitudinally being arranged in order for color electric paper.
15. color electric paper according to claim 10, it is characterised in that the color electric paper also includes:
It is arranged at the pixel electrode that each sub-pixel is set on the substrate of the second side of the electrophoretic medium, the substrate;
The electrocoating film between the electrophoretic medium and the color film is arranged at, the electrocoating film is the public of each sub-pixel
Electrode;
It is arranged at diaphragm of the color film away from the electrophoretic medium side.
16. the color electric paper according to any one of claim 10 to 15, it is characterised in that first electrophoresis particle
There is the color of black with red color, second electrophoresis particle, the 3rd electrophoresis particle has the color of white,
Described first color film has the color of blueness, and the described second color film has viridescent color.
17. a kind of preparation method of color electric paper, it is characterised in that the viewing area of the color electric paper is by multiple pixels
Formed, each pixel includes at least three sub-pixels, the color electric paper includes electrophoretic medium and is arranged at the electricity
The color film of swimming medium first side, the preparation method includes:
Determine the first electrophoresis particle of color state inequality in the electrophoretic medium, the second electrophoresis particle, the 3rd electrophoresis particle and
4th electrophoresis particle;
The sub-pixel that the color film is covered in each pixel is determined, wherein, in each pixel, by the described first electricity
Swimming particle reflect the sub-pixel of the first coloured light area and, reflect by second electrophoresis particle sub-pixel of the second coloured light
Area and be respectively less than set the color film sub-pixel area and, wherein, by the way that the 3rd color can be formed after the color film
Light, first coloured light, second coloured light are different with the color of the three coloured light.
18. the preparation method of color electric paper according to claim 17, it is characterised in that methods described also includes:
The thickness of the color film and the material of the color film are determined, so that first coloured light sent in each pixel,
Second coloured light is identical with the luminous intensity of the three coloured light.
19. a kind of preparation method of color electric paper, it is characterised in that the viewing area of the color electric paper is by multiple pixels
Formed, each pixel includes at least three sub-pixels, the color electric paper includes electrophoretic medium and is arranged at the electricity
The the first color film and the second color film of swimming medium first side, the preparation method include:
Determine the first electrophoresis particle, the second electrophoresis particle and the 3rd electrophoresis particle of color state inequality in the electrophoretic medium;
The sub-pixel that the described first color film and the second color film are covered in each pixel is determined, wherein, in each institute
State in pixel, set the sub-pixel of the described first color film area and, set the described second color film sub-pixel area and
More than the area and the described first color film and described second of the sub-pixel of the first coloured light reflected by first electrophoresis particle
Color film is arranged in different sub-pixels, by that can form the second coloured light after the described first color film, passes through the described second color film
After can form three coloured light, first coloured light, second coloured light are different with the color state of the three coloured light.
20. the preparation method of color electric paper according to claim 19, it is characterised in that methods described also includes:
Determine the thickness and the material of the first color film and the second color film of the described first color film and the second color film
Material, so that the luminous intensity phase of first coloured light, second coloured light and the three coloured light sent in each pixel
Together.
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CN103858027A (en) * | 2011-09-30 | 2014-06-11 | 凸版印刷株式会社 | Color filter and display device comprising same |
CN104297991A (en) * | 2014-10-24 | 2015-01-21 | 合肥京东方光电科技有限公司 | Color film substrate and display device |
CN105425451A (en) * | 2015-11-23 | 2016-03-23 | 上海中航光电子有限公司 | Color film substrate, display panel and display device |
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CN2906675Y (en) * | 2004-04-09 | 2007-05-30 | 克雷沃耶提实验室有限公司 | High brightness display with novel sub-pixel layout and arrangement |
TW201314278A (en) * | 2011-09-28 | 2013-04-01 | Hon Hai Prec Ind Co Ltd | Color filter |
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