CN107193170A - Display device and color display method - Google Patents
Display device and color display method Download PDFInfo
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- CN107193170A CN107193170A CN201710589155.7A CN201710589155A CN107193170A CN 107193170 A CN107193170 A CN 107193170A CN 201710589155 A CN201710589155 A CN 201710589155A CN 107193170 A CN107193170 A CN 107193170A
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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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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/3433—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using light modulating elements actuated by an electric field and being other than liquid crystal devices and electrochromic devices
- G09G3/344—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using light modulating elements actuated by an electric field and being other than liquid crystal devices and electrochromic devices based on particles moving in a fluid or in a gas, e.g. electrophoretic devices
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- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
Abstract
A kind of display device, including first substrate, second substrate and Electronic Paper, second substrate are oppositely arranged with first substrate；Electronic Paper is arranged between first substrate and second substrate, Electronic Paper includes multiple pixels, pixel includes multiple sub-pixels, dividing plate is surrounded by sub-pixel, the region that dividing plate is surrounded is provided with electrophoresis liquid, red charged particle, green charged particle and blue charged particle, the charge-mass ratio of red charged particle is less than the charge-mass ratio of green charged particle, the charge-mass ratio of green charged particle is less than the charge-mass ratio of blue charged particle, the electric field for driving charged particle to move can be produced between first substrate and second substrate, target charged particle is driven to be moved to first substrate, the electric field for driving charged particle to move can be produced between the dividing plate being oppositely arranged, non-targeted charged particle is driven to be moved to dividing plate.The display device of the present invention is avoided that non-targeted charged particle is impacted to display picture, makes picture color pure.The invention further relates to a kind of color display method.
Description
Technical field
The present invention relates to electrophoretic display technology field, more particularly to a kind of display device and color display method.
Background technology
Because electrophoretic display device (EPD) has the advantages that low energy consumption and high-contrast, therefore electrophoretic display device (EPD) has become a kind of weight
The flat-panel screens wanted, and various display fields are applied to more and more widely.
Electrophoretic display device (EPD) is by the band in the electrophoretic fluid (electrophoretic fluid) controlled in each pixel
Electric colored particles (charged pigment particle) move, to reach the display of picture.Electrophoretic display device (EPD) is carried out
When picture is shown, target charged particle electrophoresis is moved to viewing area, and non-targeted charged particle stays in dark space, and external environmental light is passed through
Target charged particle reflection in indicator screen and shown area can be achieved picture and show.
But, still have part external environmental light and enter dark space, and reflected by the non-targeted charged particle in dark space
Indicator screen, this part light can be impacted to display picture, make the picture color of display impure, reduced picture and shown
Quality.
The content of the invention
It is an object of the present invention to provide a kind of display device, can the control of driving voltage realize that colour picture is shown
While, dividing plate, which produces electric field, drives non-targeted charged particle to be moved at dividing plate, it is to avoid non-targeted charged particle is to display picture
Face is impacted, and makes picture color purer.
The present invention, which solves its technical problem, to be realized using following technical scheme.
A kind of display device, including first substrate, second substrate and Electronic Paper, second substrate is relative with first substrate to be set
Put；Electronic Paper is arranged between first substrate and second substrate, and Electronic Paper includes multiple pixels, and pixel includes multiple sub-pixels,
Dividing plate is surrounded by sub-pixel, the region that dividing plate is surrounded is provided with electrophoresis liquid, red charged particle, green charged particle and indigo plant
Colour band charged particle, the charge-mass ratio of red charged particle is less than the charge-mass ratio of green charged particle, the charge-mass ratio of green charged particle
Less than the charge-mass ratio of blue charged particle, the electric field for driving charged particle to move can be produced between first substrate and second substrate,
Drive target charged particle to be moved at first substrate, the electricity for driving charged particle to move can be produced between the dividing plate being oppositely arranged
, drive non-targeted charged particle to be moved at dividing plate.
In the preferred embodiment, above-mentioned first substrate includes public electrode, and second substrate includes pixel electrode,
The electric field for driving charged particle to move can be produced between public electrode and pixel electrode；Second substrate also include multi-strip scanning line and
A plurality of data lines, the sub-pixel of each pixel is intersected by multi-strip scanning line with a plurality of data lines to be surrounded.
In the preferred embodiment, above-mentioned second substrate also includes the second bottom plate and is successively set on the second bottom plate
On grid, gate insulator, semiconductor layer, source electrode, drain electrode, the second insulating barrier and the 3rd insulating barrier, pixel electrode is arranged at
Between second insulating barrier and the 3rd insulating barrier, the second insulating barrier, which is provided with, spills the through hole of drain electrode, pixel electrode through through hole with
Drain electrode is electrically connected with, and grid is electrically connected with scan line, source electrode and data line electrical connection.
In the preferred embodiment, above-mentioned second substrate also includes reflector layer, and reflector layer is arranged on the 3rd insulation
On layer.
In the preferred embodiment, it is viewing area close to the region of first substrate in above-mentioned sub-pixel, close to the
The region of two substrates is dark space, and dividing plate, which is provided between adsorption electrode, the adsorption electrode being oppositely arranged to produce, drives band electrochondria
The mobile electric field of son, drives the charged particle in dark space to be moved at dividing plate.
In the preferred embodiment, above-mentioned first substrate is provided with color film layer, color film layer include red photoresist layer,
Green photoresist layer and blue light resistance layer, red photoresist layer, green photoresist layer and blue light resistance layer is corresponding with each sub-pixel respectively sets
Put, white charged particles are additionally provided with the region that dividing plate is surrounded, the electric charge attribute of white charged particles is different from red zone electrochondria
The electric charge attribute of son, green charged particle and blue charged particle.
It is colored another object of the present invention is to be realized there is provided the control of a kind of color display method, energy driving voltage
While picture is shown, dividing plate, which produces electric field, drives non-targeted charged particle to be moved at dividing plate, it is to avoid non-targeted charged particle
Display picture is impacted, makes picture color purer.
The step of a kind of color display method, color display method, includes：
First substrate is provided；
Second substrate is provided, first substrate is oppositely arranged with second substrate；
Electronic Paper is provided, Electronic Paper is arranged between first substrate and second substrate, wherein, Electronic Paper includes multiple pictures
Element, pixel includes the dividing plate that is surrounded by multiple sub-pixels, sub-pixel, and the region that dividing plate is surrounded is provided with electrophoresis liquid, red zone
Charged particle, green charged particle and blue charged particle, the charge-mass ratio of red charged particle are less than the lotus matter of green charged particle
Than the charge-mass ratio of green charged particle is less than the charge-mass ratio of blue charged particle；Produced using between first substrate and second substrate
The raw electric field for driving charged particle to move, drives target charged particle to be moved at first substrate, utilizes the dividing plate being oppositely arranged
Between produce drive charged particle move electric field, drive non-targeted charged particle to be moved at dividing plate.
In the preferred embodiment, it is viewing area close to the region of first substrate in above-mentioned sub-pixel, close to the
The region of two substrates is dark space, and dividing plate is provided with adsorption electrode, and the red step of color display method display includes：
Red charged particle, green charged particle and blue charged particle is driven to be moved at first substrate；
Red charged particle, green charged particle and blue charged particle is driven to be moved towards the direction close to second substrate
Dynamic, when green charged particle is moved to dark space with blue charged particle, red charged particle is in viewing area and shows red
Color；
The electric field for driving charged particle to move is produced using adsorption electrode, green charged particle and blue charged particle is driven
It is moved at dividing plate.
In the preferred embodiment, the step of above-mentioned color display method display green includes：
Red charged particle, green charged particle and blue charged particle is driven to be moved at second substrate；
The red charged particle, green charged particle and blue charged particle is driven to be moved towards the direction close to first substrate
Dynamic, when green charged particle is moved to viewing area with blue charged particle, red charged particle is in dark space；
The green charged particle and blue charged particle is driven to be moved towards the direction close to second substrate, when blueness is powered
When particle is moved to dark space, green charged particle is in viewing area and shows green；
The electric field for driving charged particle to move is produced using adsorption electrode, red charged particle and blue charged particle is driven
It is moved at dividing plate.
In the preferred embodiment, the step of above-mentioned color display method display blueness includes：
Red charged particle, green charged particle and blue charged particle is driven to be moved at second substrate；
Red charged particle, green charged particle and blue charged particle is driven to be moved towards the direction close to first substrate
Dynamic, when green charged particle is in dark space with red charged particle, blue charged particle is moved in viewing area and shown
Blueness；
The electric field for driving charged particle to move is produced using adsorption electrode, red charged particle and green charged particle is driven
It is moved at dividing plate.
The first substrate of display device of the present invention is oppositely arranged with second substrate, and Electronic Paper is arranged at first substrate and the
Between two substrates, Electronic Paper includes multiple pixels, and pixel includes being surrounded by dividing plate, dividing plate in multiple sub-pixels, sub-pixel
The region surrounded is provided with electrophoresis liquid, red charged particle, green charged particle and blue charged particle, the lotus of red charged particle
Matter is than the charge-mass ratio less than green charged particle, and the charge-mass ratio of green charged particle is less than the charge-mass ratio of blue charged particle, the
The electric field for driving charged particle to move can be produced between one substrate and second substrate, drives target charged particle to be moved to the first base
The electric field for driving charged particle to move can be produced at plate, between the dividing plate being oppositely arranged, drives non-targeted charged particle to be moved to
At dividing plate.The display device of the present invention can utilize red charged particle, green charged particle, blue charged particle translational speed
Difference, while realizing that colour picture is shown by the control of driving voltage, dividing plate produces the electric field for driving charged particle to move,
Drive non-targeted charged particle to be moved at dividing plate, it is to avoid non-targeted charged particle is impacted to display picture, make picture face
Color is purer.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, and in order to allow the above and other objects, features and advantages of the present invention can
Become apparent, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, describe in detail.
Brief description of the drawings
Fig. 1 is the structural representation of the display device single pixel of first embodiment of the invention.
Fig. 2 is the circuit diagram of the second substrate of first embodiment of the invention.
Fig. 3 is the structural representation of the display device single pixel of second embodiment of the invention.
Fig. 4 a to Fig. 4 d are the schematic flow sheets of the color display method display red of the present invention.
Fig. 5 is the schematic diagram of the drive waveforms during the present invention shows red.
Fig. 6 a to Fig. 6 d are the schematic flow sheets of the color display method display green of the present invention.
Fig. 7 is the schematic diagram of the drive waveforms during the present invention shows green.
Fig. 8 a to Fig. 8 c are the schematic flow sheets of the color display method display red of the present invention.
Fig. 9 is the schematic diagram of the drive waveforms during the present invention shows blueness.
Embodiment
Further to illustrate the present invention to reach the technological means and effect that predetermined goal of the invention is taken, below in conjunction with
Accompanying drawing and preferred embodiment, to according to the embodiment of display device proposed by the present invention and color display method, structure,
Feature and its effect, are described in detail as follows:
For the present invention foregoing and other technology contents, feature and effect, in the following preferable reality coordinated with reference to schema
Applying in the detailed description of example to clearly appear from.By the explanation of embodiment, when predetermined mesh can be reached to the present invention
The technological means taken and effect be able to more deeply and it is specific understand, but institute's accompanying drawings are only to provide with reference to saying
It is bright to be used, not for being any limitation as to the present invention.
Fig. 1 is the structural representation of the display device single pixel of first embodiment of the invention.As shown in figure 1, in this reality
Apply in example, display device 10 includes first substrate 12, second substrate 13 and Electronic Paper 14, first substrate 12 and the phase of second substrate 13
To setting, Electronic Paper 14 is arranged between first substrate 12 and second substrate 13.
As shown in figure 1, first substrate 12 includes the first bottom plate 122, the insulating barrier 124 of public electrode 123 and first.First bottom
Plate 122 is made of clear material, for example glass, but is not limited thereto.Public electrode 123 is arranged on the first bottom plate 122, the
One insulating barrier 124 is covered on public electrode 123.In the present embodiment, public electrode 123 is by tin indium oxide ITO material systems
Into the i.e. light-permeable of first substrate 12.
Fig. 2 is the circuit diagram of the second substrate of first embodiment of the invention.As depicted in figs. 1 and 2, second substrate 13
Also include multi-strip scanning line 131 and a plurality of data lines 132.Each spaced arrangement of scan line 131, each data wire 132 is mutual
Every arrangement, and intersect with each scan line 131 and limit multiple regions arranged in arrays.In the present embodiment, second substrate 13
Also include the second bottom plate 133 and the grid (not shown) being successively set on the second bottom plate 133, gate insulator (not shown),
Semiconductor layer (not shown), source electrode (not shown), drain electrode (not shown), the second insulating barrier 134, pixel electrode the 135, the 3rd insulate
Layer 136 and reflector layer 137.Pixel electrode 135 is arranged between the second insulating barrier 134 and the 3rd insulating barrier 136, reflector layer 137
Be arranged on the 3rd insulating barrier 136, the second insulating barrier 134, which is provided with, exposes the through hole of drain electrode, pixel electrode 135 through through hole with
Drain electrode is electrically connected with.Grid is electrically connected with scan line 131, and source electrode is electrically connected with data wire 132, wherein grid, source electrode and
Drain electrode forms film crystal switch 138.Reflector layer 137 is used to reflect through first substrate 12, and the light of directive second substrate 13
Line.In the present embodiment, it can be produced between the public electrode 123 of first substrate 12 and the pixel electrode 135 of second substrate 13
Driving electric field, drives target charged particle to be moved at first substrate 12, realizes that color of object is shown.
The both sides of Electronic Paper 14 are respectively at the reflector layer of the first insulating barrier 124 and second substrate 13 of first substrate 12
Between 137.Electronic Paper 14 includes multiple pixels 101, and each pixel 101 includes multiple sub-pixel 101a, it is preferable that each pixel
101 include three sub-pixel 101a, but are not limited thereto.The sub-pixel 101a of each pixel 101 by multi-strip scanning line 131 with it is many
Data line 132, which intersects, to be surrounded.Each sub-pixel 101a surrounding is equipped with dividing plate 141, and two adjacent sub-pixels
101a shares one piece of dividing plate 141.Sub-pixel 101a each dividing plate 141, which is formed, is mutually spliced to form rectangle frame, the rectangle frame and
Box-like accommodating cavity is formed between one substrate 12, second substrate 13.In the present embodiment, because sub-pixel 101a is by reflection
External ambient light is shown, therefore pixel electrode 135 needs to be made up of lighttight conductive material, such as pixel electrode 135
It is made, but is not limited thereto of ferrous metal.
It is noted that the electric field for driving charged particle to move can be produced between the dividing plate 141 being oppositely arranged, drive non-
Target charged particle is moved at dividing plate 141, it is to avoid non-targeted charged particle is impacted to display picture, makes picture color more
It is pure.In the present embodiment, dividing plate 141 is provided with adsorption electrode 141a, and two pieces of dividing plates 141 being only oppositely arranged are provided with
The electric field for driving charged particle to move can be produced between adsorption electrode 141a, two pieces of adsorption electrode 141a, drives non-targeted powered
Particle is moved at dividing plate 141.
Provided with electrophoresis liquid (not shown), red charged particle 142, the green and of charged particle 143 in each sub-pixel 101a
Blue charged particle 144, and electrophoresis liquid, red charged particle 142, green charged particle 143 and blue charged particle 144 fill
To accommodating cavity.In the present embodiment, each sub-pixel 101a public electrode 123 including first substrate 12, color film layer
125th, filling to the electrophoresis liquid in accommodating cavity, red charged particle 142, green charged particle 143 and blue charged particle 144 with
And film crystal switch 138, pixel electrode 135 and reflector layer 137 on second substrate 13.It is noted that per height picture
Contain multiple red charged particles 142, multiple green charged particles 143 and multiple blue charged particles 144 in plain 101a.
Electrophoresis liquid in sub-pixel 101a is grey, and extraneous ambient light is injected in electrophoresis liquid from the side of first substrate 12,
The brightness of light is gradually reduced from first substrate 12 towards the direction close to second substrate 13.Define close in sub-pixel 101a
The region of first substrate 12 is viewing area 102, close to second substrate 13 for dark space 103, the band electrochondria in viewing area 102
Son is target charged particle, and the charged particle in dark space 103 is non-targeted charged particle.In the present embodiment, outside is worked as
When ambient light enters viewing area 102 from the side of first substrate 12, light can be reflected first by the charged particle in viewing area 102
Substrate 12, and then show colour picture；For example when light is reflected first substrate 12 by red charged particle 142, display device
The red picture of 10 displays；When light is reflected first substrate 12 by green charged particle 143, display device 10 shows green picture
Face；When light is reflected first substrate 12 by blue charged particle 144, display device 10 shows blue picture.It is worth mentioning
It is that the charged particle in viewing area 102 is closer to dark space 103, and the gray-scale intensity of the reflected light reflected by the charged particle is got over
It is low.
Red charged particle 142, green charged particle 143 and blue charged particle 144 in sub-pixel 101a carry phase
It is with the electric charge of attribute, i.e., negatively charged, but be not limited thereto, such as red charged particle 142, green charged particle 143
It is positively charged with blue charged particle 144.Red charged particle 142, green charged particle 143 and blue charged particle 144
The charge-mass ratio of band is different, wherein the charge-mass ratio of red charged particle 142 is less than the charge-mass ratio of green charged particle 143, it is green
The charge-mass ratio of colour band charged particle 143 is less than the charge-mass ratio of blue charged particle 144, therefore when first substrate 12 and second substrate 13
Between when producing driving electric field, the translational speed of red charged particle 142 is less than the translational speed of green charged particle 143, green
The translational speed of colour band charged particle 143 is less than the translational speed of blue charged particle 144.
, can be by applying positive and negative electricity to public electrode 123 because the translational speed of each charged particle in the electric field is different
Pressure, negative, positive voltage is applied to pixel electrode 135, display device 10 is shown red picture, green picture, blue picture, coloured silk
Color picture etc.；Simultaneously by controlling the adsorption electrode 141a in dark space 103 to produce electric field (the absorption electricity in viewing area 102
Pole 141a does not produce electric field), non-targeted charged particle of the absorption in dark space 103, it is to avoid non-targeted charged particle is to picture
Color is impacted.
Fig. 3 is the structural representation of the display device single pixel of second embodiment of the invention.As shown in figure 3, this implementation
Display device 10 ' in example is roughly the same with the structure of display device 10 in first embodiment, and difference is first substrate 12 '
It is different with the structure of Electronic Paper 14 '.
Specifically, first substrate 12 ' includes the first bottom plate 122, public electrode 123, the first insulating barrier 124 and color film layer
125.First bottom plate 122 is made of clear material, such as glass, but is not limited thereto.Public electrode 123 is arranged on the first bottom
On plate 122, the first insulating barrier 124 is covered on public electrode 123.In the present embodiment, public electrode 123 is by tin indium oxide
ITO materials are made, i.e. the light-permeable of first substrate 12 '.Color film layer 125 is covered on the first insulating barrier 124, and color film layer 125 includes
Red photoresist layer 125a, green photoresist layer 125b and blue light resistance layer 125c.
The both sides of Electronic Paper 14 ' are respectively at the reflector layer of the first insulating barrier 124 and second substrate 13 of first substrate 12 '
Between 137.Three sub-pixel 101a of each pixel 101 of Electronic Paper 14 ' respectively with red photoresist layer 125a, green photoresist layer
125b and blue light resistance layer 125c are correspondingly arranged.Provided with electrophoresis liquid (not shown), red charged particle in each sub-pixel 101a
142nd, green charged particle 143, blue charged particle 144 and white charged particles 145, and electrophoresis liquid, red charged particle
142nd, green charged particle 143, blue charged particle 144 and white charged particles 145 are filled to accommodating cavity.In the present embodiment
In, each sub-pixel 101a public electrode 123 including first substrate 12 ', color film layer 125, filling to the electricity in accommodating cavity
Swimming liquid, red charged particle 142, green charged particle 143, blue charged particle 144 and white charged particles 145 and second
Film crystal switch 138, pixel electrode 135 and reflector layer 137 on substrate 13.It is noted that each sub-pixel 101a
It is interior to contain multiple red charged particles 142, multiple green charged particles 143, multiple blue charged particles 144 and multiple white bands
Charged particle 145, and the electric charge attribute of white charged particles 145 is different from red charged particle 142, the green and of charged particle 143
The electric charge attribute of blue charged particle 144, if that is, red charged particle 142, green charged particle 143 and blue charged particle
144 is negatively charged, then white charged particles 145 are positively charged, and vice versa.
Display device 10 ' in the present embodiment can carry out red, green, blue three primary colors and show, also can be by powered
Particle coordinates with color film layer 125 realizes that the color such as cyan, carmetta, yellow is shown.For example, red, green, blue when carrying out
When color three primary colors are shown, negative voltage only is applied to first substrate 12 ', now white charged particles 145 are moved to viewing area 102,
Realize that three primary colors are shown；For example, when carrying out cyan, carmetta, yellow display, by applying positive and negative electricity to public electrode 123
Pressure, applies negative, positive voltage to pixel electrode 135, coloured charged particle is moved to viewing area 102, you can carry out blend color
Display.
The color display method of the present invention utilizes above-mentioned display device 10,10 ', below with the display in first embodiment
Device 10 is illustrated, specifically, is included the step of color display method：
First substrate 12 is provided；
Second substrate 13 is provided, first substrate 12 is oppositely arranged with second substrate 13；
Electronic Paper 14 is provided, Electronic Paper 14 is arranged between first substrate 12 and second substrate 13, wherein, Electronic Paper 14
Including multiple pixels 101, pixel 101 is included in multiple sub-pixel 101a, sub-pixel 101a provided with electrophoresis liquid, red charged particle
142nd, green charged particle 143 and blue charged particle 144, the charge-mass ratio of red charged particle 142 are less than green charged particle
143 charge-mass ratio, the charge-mass ratio of green charged particle 143 is less than the charge-mass ratio of blue charged particle 144, utilizes first substrate 12
The electric field for driving charged particle to move is produced with second substrate 13, drives target charged particle to be moved at first substrate 12, profit
With between the dividing plate 141 being oppositely arranged produce drive charged particle move electric field, drive non-targeted charged particle be moved to every
At plate 141.
Fig. 4 a to Fig. 4 d are the schematic flow sheets of the color display method display red of the present invention.Such as Fig. 4 a to Fig. 4 d institutes
Show, the red step of color display method display of the invention includes：
Step one, the positively charged of public electrode 123 is made, pixel electrode 135 is negatively charged, now red charged particle 142, green
Charged particle 143 and blue charged particle 144 are moved at first substrate 12 by electric field action, stable picture are powered off afterwards, such as
Shown in Fig. 4 a and Fig. 4 b；
Step 2, makes public electrode 123 negatively charged, the positively charged of pixel electrode 135, now red charged particle 142, green
Charged particle 143 and blue charged particle 144 are moved by electric field action towards the direction close to second substrate 13, due to red zone
The charge-mass ratio of charged particle 142 is less than the charge-mass ratio of green charged particle 143, and the charge-mass ratio of green charged particle 143 is less than blueness
The charge-mass ratio of charged particle 144, the electrophoresis translational speed of red charged particle 142 is less than green charged particle in electrophoresis liquid
143 electrophoresis translational speed, the electrophoresis translational speed of green charged particle 143 is less than the electrophoresis movement of blue charged particle 144
Speed, after blue charged particle 144 enters dark space 103 with green charged particle 143, red charged particle 142 is still in display
In area 102, now red charged particle 142 is reflected into the ambient light of viewing area 102, and sub-pixel 101a displays are red, such as scheme
Shown in 4c；
Step 3, the electric field for driving charged particle to move is produced using adsorption electrode 141a, green charged particle 143 is driven
It is moved to blue charged particle 144 at dividing plate 141, as shown in figure 4d.
In the present embodiment, during red charged particle 142 is moved towards second substrate 13, the GTG of ambient light by
Gradually reduce, therefore, the red color range of red charged particle 142 will be reduced gradually.
Fig. 5 is the schematic diagram of the drive waveforms during the present invention shows red.Fig. 4 a be refer to Fig. 5, made public
The positively charged of electrode 123, pixel electrode 135 is negatively charged, and picture before is asked into zero within the t1 times；Make public electrode 123 and picture
Plain electrode 135 is no-voltage, and picture is kept within the t2 times；Make public electrode 123 negatively charged, the positively charged of pixel electrode 135,
Green charged particle 143 and blue charged particle 144 enter dark space 103 in the t3 times；Make public electrode 123 and pixel electrode
135 be no-voltage, and now the red color range highest of picture, continues to make public electrode 123 negatively charged, the positively charged of pixel electrode 135,
Within the t4 times, the red color range of picture gradually reduces and (is down to L0 by L100)；Public electrode 123 and the pixel electrode 135 is set to be
No-voltage, picture is kept within the t5 times.
Fig. 6 a to Fig. 6 d are the schematic flow sheets of the color display method display green of the present invention.Such as Fig. 6 a to Fig. 6 d institutes
Show, the step of color display method display green of the invention includes：
Step one, make public electrode 123 negatively charged, the positively charged of pixel electrode 135, now red charged particle 142, green
Charged particle 143 and blue charged particle 144 are moved at second substrate 13 by electric field action, stable picture are powered off afterwards, such as
Shown in Fig. 6 a；
Step 2, makes the positively charged of public electrode 123, and pixel electrode 135 is negatively charged, now red charged particle 142, green
Charged particle 143 and blue charged particle 144 are moved by electric field action towards the direction close to first substrate 12, due to red zone
The charge-mass ratio of charged particle 142 is less than the charge-mass ratio of green charged particle 143, and the charge-mass ratio of green charged particle 143 is less than blueness
The charge-mass ratio of charged particle 144, the electrophoresis translational speed of red charged particle 142 is less than green charged particle in electrophoresis liquid
143 electrophoresis translational speed, the electrophoresis translational speed of green charged particle 143 is less than the electrophoresis movement of blue charged particle 144
Speed, after blue charged particle 144 enters viewing area 102 with green charged particle 143, red charged particle 142 is still dark
In area 103, stable picture is powered off afterwards, as shown in Figure 6 b；
Step 3, makes public electrode 123 negatively charged, the positively charged of pixel electrode 135, now red charged particle 142, green
Charged particle 143 and blue charged particle 144 are moved towards the direction close to second substrate 13 again by electric field action, green band
The charge-mass ratio of charged particle 143 is less than the charge-mass ratio of blue charged particle 144, the electrophoresis of green charged particle 143 in electrophoresis liquid
Translational speed is less than the electrophoresis translational speed of blue charged particle 144, when blue charged particle 144 enters dark space 103, green
Charged particle 143 is still in viewing area 102, and green charged particle 143 is reflected into the ambient light of viewing area 102, sub-pixel
101a display greens, as fig. 6 c；
Step 4, the electric field for driving charged particle to move is produced using adsorption electrode 141a, red charged particle 142 is driven
It is moved to blue charged particle 144 at dividing plate 141, as shown in fig 6d.
In the present embodiment, during green charged particle 143 is moved towards second substrate 13, the GTG of ambient light by
Gradually reduce, therefore, the green color range of green charged particle 143 will be reduced gradually.
Fig. 7 is the schematic diagram of the drive waveforms during the present invention shows green.Fig. 6 a be refer to Fig. 7, made public
Electrode 123 is negatively charged, the positively charged of pixel electrode 135, and picture before is asked into zero within the t1 times；Make the band of public electrode 123 and
Negatively charged pixel electrode 135 is no-voltage, and picture is kept within the t2 times；Make the positively charged of public electrode 123, pixel electrode 135
Negatively charged, green charged particle 143 and blue charged particle 144 enter viewing area 102 within the t3 times；Make public electrode 123
It is no-voltage with pixel electrode 135, picture is kept within the t4 times；Make public electrode 123 negatively charged, the band of pixel electrode 135 is just
Electricity, blue charged particle 144 enters dark space 103 within the t5 times；It is no-voltage to make public electrode 123 and pixel electrode 135, this
When picture green color range highest, continue to make public electrode 123 negatively charged, the positively charged of pixel electrode 135, the picture within the t6 times
Green color range gradually reduce and (L0 be down to by L100).
Fig. 8 a to Fig. 8 c are the schematic flow sheets of the color display method display red of the present invention.Such as Fig. 8 a to Fig. 8 c institutes
Show, the step of color display method display blueness of the invention includes：
Step one, make public electrode 123 negatively charged, the positively charged of pixel electrode 135, now red charged particle 142, green
Charged particle 143 and blue charged particle 144 are moved at second substrate 13 by electric field action, stable picture are powered off afterwards, such as
Shown in Fig. 8 a；
Step 2, makes the positively charged of public electrode 123, and pixel electrode 135 is negatively charged, now red charged particle 142, green
Charged particle 143 and blue charged particle 144 are moved by electric field action towards the direction close to first substrate 12, due to red zone
The charge-mass ratio of charged particle 142 is less than the charge-mass ratio of green charged particle 143, and the charge-mass ratio of green charged particle 143 is less than blueness
The charge-mass ratio of charged particle 144, the electrophoresis translational speed of red charged particle 142 is less than green charged particle in electrophoresis liquid
143 electrophoresis translational speed, the electrophoresis translational speed of green charged particle 143 is less than the electrophoresis movement of blue charged particle 144
Speed, after blue charged particle 144 enters viewing area 102, green charged particle 143 and red charged particle 142 are still dark
In area 103, blue charged particle 144 is reflected into the ambient light of viewing area 102, sub-pixel 101a display bluenesss, such as Fig. 8 b institutes
Show；
Step 3, the electric field for driving charged particle to move is produced using adsorption electrode 141a, red charged particle 142 is driven
It is moved to green charged particle 143 at dividing plate 141, as shown in Figure 8 c
In the present embodiment, during blue charged particle 144 is moved towards first substrate 12, the GTG of ambient light by
Edge up height, therefore, and the blue color range of blue charged particle 144 will gradually rise.
Fig. 9 is the schematic diagram of the drive waveforms during the present invention shows blueness.Fig. 8 a be refer to Fig. 9, made public
Electrode 123 is negatively charged, the positively charged of pixel electrode 135, and picture before is asked into zero within the t1 times；Make public electrode 123 and picture
Plain electrode 135 is no-voltage, and picture is kept within the t2 times；Make the positively charged of public electrode 123, pixel electrode 135 is negatively charged,
Blue charged particle 144 enters viewing area 102 in the t3 times；It is no-voltage to make public electrode 123 and pixel electrode 135, now
The blue color range of picture is minimum, continues to make the positively charged of public electrode 123, pixel electrode 135 is negatively charged, within the t4 times, picture
Blue color range gradually rise and (L100 risen to by L0)；It is no-voltage to make public electrode 123 and pixel electrode 135, in the t5 times
Interior holding picture.
It is noted that the color display method of the present invention carries out picture using the display device 10 ' of second embodiment
The step of display, is consistent with the above, and difference is that can be blended color using the above method shows, red, green when carrying out
When color, blue three primary colors display, negative voltage only is applied to first substrate 12 ', now white charged particles 145 are moved to viewing area
102, realize that three primary colors are shown.
The color display method of the present invention can show that a kind of primary colours are shown, for example, carry out red, green, blueness display；
Colored display can be carried out, that is, controls three sub-pixel 101a of each pixel 101 to carry out Red Green Blue mixed display color,
The GTG of each primary colors can be by controlling drive waveforms time t to realize.It is additionally, since the non-targeted charged particle in dark space 103
It is attracted at dividing plate 141, it is to avoid non-targeted charged particle is impacted to display picture, makes picture color purer.
The first substrate 12,12 ' of the display device 10,10 ' of the present invention is oppositely arranged with second substrate 13, Electronic Paper 14,
14 ' are arranged between first substrate 12,12 ' and second substrate 13, and Electronic Paper 14,14 ' includes multiple pixels 101, and pixel 101 is wrapped
Include multiple sub-pixel 101a, sub-pixel 101a's is surrounded by dividing plate 141, the region that dividing plate 141 is surrounded provided with electrophoresis liquid, red
Colour band charged particle 142, green charged particle 143 and blue charged particle 144, the charge-mass ratio of red charged particle 142 is less than green
The charge-mass ratio of colour band charged particle 143, the charge-mass ratio of green charged particle 143 is less than the charge-mass ratio of blue charged particle 144, first
The electric field for driving charged particle to move can be produced between substrate 12,12 ' and second substrate 13, drives target charged particle to be moved to
The electric field for driving charged particle to move can be produced between first substrate 12,12 ' places, the dividing plate 141 being oppositely arranged, non-targeted is driven
Charged particle is moved at dividing plate 141.Therefore, display device 10,10 ' of the invention can utilize red charged particle 142, green
The difference of charged particle 143, the blue translational speed of charged particle 144, colored draw is realized by the control to the driving voltage time
While face is shown, dividing plate 141 produces the electric field for driving charged particle to move, and drives non-targeted charged particle to be moved to dividing plate
At 141, it is to avoid non-targeted charged particle is impacted to display picture, makes picture color purer.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, but the present invention is not limited to above-mentioned implementation
Detail in mode, in the range of the technology design of the present invention, can be carried out a variety of simple to technical scheme
Modification, these simple variants belong to protection scope of the present invention.Each described in above-mentioned embodiment is specific
Technical characteristic, in the case of reconcilable, can be combined by still what suitable mode.In order to avoid unnecessary weight
Multiple, the present invention no longer separately illustrates to various possible combinations.
Claims (10)
1. a kind of display device, it is characterised in that including
First substrate (12)；
Second substrate (13), is oppositely arranged with the first substrate (12)；And
Electronic Paper (14), is arranged between the first substrate (12) and the second substrate (13), and the Electronic Paper (14) includes multiple
Pixel (101), the pixel (101) includes being surrounded by dividing plate in multiple sub-pixels (101a), the sub-pixel (101a)
(141) region that, the dividing plate (141) is surrounded is provided with electrophoresis liquid, red charged particle (142), green charged particle (143) and indigo plant
Colour band charged particle (144), the charge-mass ratio of the red charged particle (142) is less than the charge-mass ratio of the green charged particle (143), should
The charge-mass ratio of green charged particle (143) is less than the charge-mass ratio of the blue charged particle (144), the first substrate (12) with this
The electric field for driving charged particle to move can be produced between two substrates (13), drives target charged particle to be moved to the first substrate
(12) electric field for driving charged particle to move can be produced between place, the dividing plate (141) being oppositely arranged, non-targeted band electrochondria is driven
Son is moved to dividing plate (141) place.
2. display device as claimed in claim 1, it is characterised in that the first substrate (12) includes public electrode (123), should
Second substrate (13) includes pixel electrode (135), can produce and drive between the public electrode (123) and the pixel electrode (135)
The electric field of charged particle movement；The second substrate (13) also includes multi-strip scanning line (131) and a plurality of data lines (132), respectively should
The sub-pixel (101a) of pixel (101) is intersected by multi-strip scanning line (131) with a plurality of data lines (132) to be surrounded.
3. display device as claimed in claim 2, it is characterised in that the second substrate (13) also includes the second bottom plate (133)
With the grid being successively set on second bottom plate (133), gate insulator, semiconductor layer, source electrode, drain electrode, the second insulating barrier
(134) and the 3rd insulating barrier (136), the pixel electrode (135) is arranged at second insulating barrier (134) and the 3rd insulating barrier
(136) between, second insulating barrier (134), which is provided with, spills the through hole of the drain electrode, the pixel electrode (135) through the through hole with
The drain electrode is electrically connected with, and the grid is electrically connected with the scan line (131), and the source electrode is electrically connected with the data wire (132).
4. display device as claimed in claim 3, it is characterised in that the second substrate (13) also includes reflector layer (137), should
Reflector layer (137) is arranged on the 3rd insulating barrier (136).
5. display device as claimed in claim 1, it is characterised in that close to the first substrate (12) in the sub-pixel (101a)
Region be viewing area (102), close to the second substrate (13) region be dark space (103), the dividing plate (141) provided with absorption
The electric field for driving charged particle to move can be produced between electrode (141a), the adsorption electrode (141a) being oppositely arranged, this is driven
Charged particle in dark space (103) is moved to dividing plate (141) place.
6. display device as claimed in claim 1, it is characterised in that the first substrate (12) is provided with color film layer (125), should
Color film layer (125) includes red photoresist layer (125a), green photoresist layer (125b) and blue light resistance layer (125c), the red photoresistance
Layer (125a), green photoresist layer (125b) and blue light resistance layer (125c) are correspondingly arranged with the respectively sub-pixel (101a) respectively, should
White charged particles (145) are additionally provided with the region that dividing plate (141) is surrounded, the electric charge attribute of the white charged particles (145) is not
It is same as the electric charge attribute of the red charged particle (142), green charged particle (143) and blue charged particle (144).
7. a kind of color display method, it is characterised in that include the step of the color display method：
First substrate (12) is provided；
Second substrate (13) is provided, the first substrate (12) is oppositely arranged with the second substrate (13)；
Electronic Paper (14) is provided, the Electronic Paper (14) is arranged between the first substrate (12) and the second substrate (13), its
In, the Electronic Paper (14) includes multiple pixels (101), and the pixel (101) includes multiple sub-pixels (101a), the sub-pixel
Dividing plate (141) is surrounded by (101a), the region that the dividing plate (141) is surrounded is provided with electrophoresis liquid, red charged particle
(142), green charged particle (143) and blue charged particle (144), the charge-mass ratio of the red charged particle (142) is less than should
The charge-mass ratio of green charged particle (143), the charge-mass ratio of the green charged particle (143) is less than the blue charged particle (144)
Charge-mass ratio；The electric field for driving charged particle to move using being produced between the first substrate (12) and the second substrate (13), drives
Target charged particle is moved to first substrate (12) place, band is driven using being produced between the dividing plate (141) being oppositely arranged
The electric field of charged particle movement, drives non-targeted charged particle to be moved to dividing plate (141) place.
8. color display method as claimed in claim 7, it is characterised in that close to the first substrate in the sub-pixel (101a)
(12) region is viewing area (102), is dark space (103) close to the region of the second substrate (13), and the dividing plate (141) is provided with
Adsorption electrode (141a), the red step of color display method display includes：
Drive the red charged particle (142), green charged particle (143) and blueness charged particle (144) be moved to this first
Substrate (12) place；
Drive the red charged particle (142), green charged particle (143) and blue charged particle (144) towards it is close this
Two substrates (13) direction movement, when the green charged particle (143) and blueness charged particle (144) be moved to dark space (103)
When, the red charged particle (142) is in viewing area (102) and shows red；
Using the adsorption electrode (141a) produce drive charged particle move electric field, drive the green charged particle (143) and
Blue charged particle (144) is moved to dividing plate (141) place.
9. color display method as claimed in claim 8, it is characterised in that the step bag of color display method display green
Include：
Drive the red charged particle (142), green charged particle (143) and blueness charged particle (144) be moved to this second
Substrate (13) place；
Drive the red charged particle (142), green charged particle (143) and blue charged particle (144) towards it is close this
One substrate (12) direction movement, when the green charged particle (143) and blueness charged particle (144) be moved to viewing area
(102) when, the red charged particle (142) is in dark space (103)；
The green charged particle (143) and blue charged particle (144) is driven to be moved towards the direction close to the second substrate (13)
Dynamic, when the blue charged particle (144) is moved to dark space (103), the green charged particle (143) is in viewing area (102)
It is interior and show green；
Using the adsorption electrode (141a) produce drive charged particle move electric field, drive the red charged particle (142) and
Blue charged particle (144) is moved to dividing plate (141) place.
10. color display method as claimed in claim 8, it is characterised in that the step of color display method display blueness
Including：
Drive the red charged particle (142), green charged particle (143) and blueness charged particle (144) be moved to this second
Substrate (13) place；
Drive the red charged particle (142), green charged particle (143) and blue charged particle (144) towards it is close this
The direction movement of one substrate (12), when the green charged particle (143) and red charged particle (142) are interior in dark space (103)
When, the blue charged particle (144) is moved in viewing area (102) and shows blueness；
Using the adsorption electrode (141a) produce drive charged particle move electric field, drive the red charged particle (142) and
Green charged particle (143) is moved to dividing plate (141) place.
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