CN108333847A - A kind of chromatic display - Google Patents
A kind of chromatic display Download PDFInfo
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- CN108333847A CN108333847A CN201810160080.5A CN201810160080A CN108333847A CN 108333847 A CN108333847 A CN 108333847A CN 201810160080 A CN201810160080 A CN 201810160080A CN 108333847 A CN108333847 A CN 108333847A
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/165—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on translational movement of particles in a fluid under the influence of an applied field
- G02F1/166—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on translational movement of particles in a fluid under the influence of an applied field characterised by the electro-optical or magneto-optical effect
- G02F1/167—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on translational movement of particles in a fluid under the influence of an applied field characterised by the electro-optical or magneto-optical effect by electrophoresis
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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
- G02F1/1675—Constructional details
- G02F1/1677—Structural association of cells with optical devices, e.g. reflectors or illuminating devices
-
- 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
- G02F1/13—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 liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
-
- 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
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/52—RGB geometrical arrangements
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
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Abstract
The present invention relates to a kind of chromatic displays, it includes drive circuit board, display layer, public electrode and multiple colored filters, display layer is set between drive circuit board and public electrode, there are multiple sub-pixel points on chromatic display, which part sub-pixel point or whole sub-pixel points are color sub-pixel point, the multiple and one-to-one pixel electrode of multiple sub-pixel points is provided on drive circuit board, multiple colored filters are set to the viewing side of display layer, it is both provided with one or more colored filters on each color sub-pixel point, the area of colored filter is less than the area of corresponding color sub-pixel point.Since the area of colored filter is less than the area of corresponding color sub-pixel point, so that each color sub-pixel point has part display layer not covered therefore compared to the prior art by colored filter, the chromatic display has higher display brightness, display effect preferable when colour is shown.
Description
Technical field
The present invention relates to field of display devices, more particularly to a kind of chromatic display.
Background technology
Electrophoretic display device (EPD) is a kind of display as thin as paper, soft and erasable, in recent years in billboard and price
It is more and more widely used on board.Existing electrophoretic display device (EPD) can only substantially show black-and-white two color, this makes its application
It is very limited.In order to make electrophoretic display device (EPD) that there are colour display functions, researcher to increase coloured silk on electrophoretic display device (EPD)
Colo(u)r filter can realize colored display.2 are please referred to Fig.1, in the prior art, one is provided on each color sub-pixel point 9
A colored filter 10, and the color sub-pixel point 9 is completely covered namely the area of colored filter 10 colored filter 10
With the area equation of color sub-pixel point 9.In this electrophoretic display device (EPD), if the color of colored filter 10 is deeper, show
Show that the display brightness of device is relatively low, if the color of colored filter 10 is shallower, the color saturation of display is relatively low, therefore aobvious
Show that the color display effect of device is poor.
Invention content
In view of the deficiencies of the prior art, present invention aims at provide a kind of preferable chromatic display of display effect.
In order to solve the above technical problems, the embodiment of the present invention provides a kind of chromatic display comprising drive circuit board,
Display layer, public electrode and multiple colored filters, the drive circuit board, display layer, public electrode stacking connection are described aobvious
Show that layer is set between the drive circuit board and public electrode, there are multiple sub-pixel points on the chromatic display,
Middle part molecule pixel or whole sub-pixel points are color sub-pixel point, are provided on the drive circuit board multiple and described more
A one-to-one pixel electrode of sub- pixel, the multiple colored filter are set to the viewing side of the display layer, and
Along the direction arrangement for being parallel to the display layer upper surface, one or more colored filters are both provided on each color sub-pixel point
Mating plate, the area of the colored filter are less than the area of corresponding color sub-pixel point.
As being further improved for above-described embodiment, the color of the colored filter of adjacent color sub-pixel point is different.
As being further improved for above-described embodiment, on the direction for being parallel to the display layer upper surface, adjacent color
There is gap, the display layer to expose from the gap between the colored filter between optical filter.
As being further improved for above-described embodiment, each color sub-pixel point is provided with the identical colour of 2-9 color
Optical filter.
As being further improved for above-described embodiment, each color sub-pixel point includes four rectangles in matrix form distribution
Colored filter, and the gap between four rectangle colored filters forms cross.
As being further improved for above-described embodiment, the area of the colored filter of each color sub-pixel point with it is described every
The area ratio of a color sub-pixel point is 0.13-0.9:1, it is therefore preferable to 0.3-0.8:1.
As being further improved for above-described embodiment, each color sub-pixel point includes multiple rectangle colored filters,
It is parallel on the direction of the display layer upper surface, there is gap between adjacent color optical filter, each color sub-pixel point
The ratio between length of side of gap width and the colored filter between adjacent two colored filter is 0.1-0.6:1, it is therefore preferable to
0.2-0.3:1；Or
Each color sub-pixel point includes a rectangle colored filter, the gap width between adjacent two colored filter
It is 0.05-1.75 with the ratio between the length of side of the colored filter:1, it is therefore preferable to 0.2-0.6:1.
As being further improved for above-described embodiment, the chromatic display includes a filter sheet base plate, the coloured silk
All colored filters of color display device are set on the filter sheet base plate；Or
The chromatic display includes multiple filter sheet base plates being stacked, and the colored filter of same color is located at
On same filter sheet base plate.
As being further improved for above-described embodiment, the display layer includes multiple along the aobvious of the display layer cross direction profiles
Show micro unit, each display micro unit includes transparent confinement shell, the electrophoresis liquid that is packaged in the transparent confinement shell
And it is suspended in multiple electrophoresis particles in the electrophoresis liquid.
As being further improved for above-described embodiment, each display micro unit includes multiple electrically charged white electrophoretics
Particle and it is multiple be in electroneutral black electrophoretic particles；Or
Each display micro unit includes multiple white electrophoretic particles and multiple black electrophoretic particles, and the white is electric
Swimming particle and the black electrophoretic particles band charges of different polarity.
As being further improved for above-described embodiment, the public electrode is transparent and is set to the viewing of the display layer
Side, the drive circuit board are set to the other side opposite with the viewing side of the display layer, and the colored filter is set
It is placed in the viewing side of the public electrode；Or
The drive circuit board is transparent and is set to the viewing side of the display layer, and the public electrode is set to described aobvious
Show that the other side opposite with the viewing side of layer, the colored filter are set to the viewing side of the drive circuit board.
As being further improved for above-described embodiment, the display micro unit is microcapsules, and the display layer further includes solid
Change decentralized medium, the multiple microcapsules are distributed in the solidification decentralized medium, the display layer and the public electrode it
Between and/or the display layer and the drive circuit board between connected by adhesive layer, the thickness of the display layer and the glue
The ratio between the thickness of glutinous layer is 1-10:1.
As being further improved for above-described embodiment, the multiple sub-pixel point is distributed in matrix form, multiple sub-pixel points
Minimum repetitive unit in RGB, RGBG, RGBW or CMYW arrange, wherein R, G, B, C, M, Y, W be respectively red sub-pixel point,
Green sub-pixels point, blue subpixels point, cyan sub-pixel point, pinkish red sub-pixels point, yellow sub-pixel point and the sub- picture of white
The colored filter is not arranged on white sub-pixels point for vegetarian refreshments.
As being further improved for above-described embodiment, there is multiple pixels, which part on the chromatic display
Pixel or whole pixels are color pixel cell, and each pixel includes 2 to 9 adjacent sub-pixel points, each color images
The colored filter of same color is both provided on all sub-pixel points corresponding to vegetarian refreshments, the multiple pixel is in matrix form
The minimum repetitive unit of distribution, multiple pixels is arranged in RGB, RGBG, RGBW or CMYW, and wherein R, G, B, C, M, Y, W distinguish
For red pixel point, green pixel point, blue pixel point, cyan pixel point, magenta pixel point, yellow pixel point and white picture
The colored filter is not arranged on the sub-pixel point corresponding to white pixel point for vegetarian refreshments.
The chromatic display of the embodiment of the present invention, since the area of colored filter is less than corresponding color sub-pixel point
Area so that each color sub-pixel point has part display layer not covered by colored filter, when the color monitor
When part carries out colored display, it can be more than by the brightness for the display layer that colored filter is covered and be covered by colored filter
The brightness of display layer, therefore compared to the prior art, the chromatic display of the embodiment of the present invention have when colour is shown compared with
High display brightness, display effect are preferable.
Description of the drawings
Fig. 1 is the structural schematic diagram of chromatic display provided in an embodiment of the present invention.
Fig. 2 is the structural schematic diagram for the chromatic display that another embodiment of the present invention provides.
Fig. 3 to Fig. 6 is the distribution schematic diagram of colored filter in four embodiments of the invention.
Fig. 7 is the colored filter overlaying structure schematic diagram of the embodiment of the present invention.
Fig. 8 to Figure 11 is the distribution schematic diagram of the sub-pixel point of the embodiment of the present invention.
Figure 12 is the distribution schematic diagram of colored filter in the prior art.
Specific implementation mode
Technical solution of the present invention is described in further detail in the following with reference to the drawings and specific embodiments, so that this
The technical staff in field can be better understood from the present invention and can be practiced, but illustrated embodiment is not as the limit to the present invention
It is fixed.
Such as Fig. 1 to Figure 11, the embodiment of the present invention provides a kind of chromatic display comprising drive circuit board 1, display layer
2, public electrode 3 and multiple colored filters 4.Drive circuit board 1, display layer 2 and the stacking connection of public electrode 3, display layer 2 are set
It is placed between drive circuit board 1 and public electrode 3, drive circuit board 1 and public electrode 3 are used to apply in the both sides of display layer 2
Electric signal makes display layer 2 be shown.Colored filter 4 is set to the viewing side of display layer 2, and edge is parallel to display layer 2
The direction of upper surface (viewing side table second) arranges, and chromatic display is made to have color display effect.Have on chromatic display
There are multiple sub-pixel points 8, which part sub-pixel point 8 or whole sub-pixel points 8 are color sub-pixel point, on drive circuit board 1
It is provided with and multiple 8 one-to-one pixel electrodes 11 of sub-pixel point, pixel electrode 11 and the driving on drive circuit board 1
Circuit connects.Specifically, each sub-pixel point 8 is by corresponding with pixel electrode 11 on pixel electrode 11, display layer 2
Region, the minimum display unit that region corresponding with pixel electrode 11 is constituted on public electrode 3, the size of sub-pixel point 8
Hundreds thousand of to tens million of sub- pixels are generally comprised generally between 50-200 microns, on chromatic display.In colour
In display device, can whole sub-pixel points 8 be color sub-pixel point 8, such as red, blue and green can also parts
Sub-pixel point 8 is white sub-pixels point, and another part sub-pixel point 8 is color sub-pixel point 8.In general, three to four phases
Adjacent sub-pixel point 8 may be constructed a minimum repetitive unit on chromatic display, namely constitute a pixel.
It please refers to Fig.1 to Fig. 6, one or more colored filters 4 is both provided on each color sub-pixel point 8, it is colored
The area of optical filter 4 is less than the area of corresponding color sub-pixel point 8.Signified area herein, refers to being parallel to display layer 2
Area in the plane of upper surface.The area of signified sub-pixel point 8 herein, is removed by the area of the display area on display layer 2
With the number of sub-pixel point 8 calculates and obtains.The area of signified colored filter 4 herein, refers to the colour of the color sub-pixel point 8
The gross area shared by optical filter 4.When on color sub-pixel point 8 setting there are one colored filter 4 when, the face of colored filter 4
Product is the area of this colored filter 4；When being provided with multiple colored filters 4 on color sub-pixel point 8, colorized optical filtering
The area of piece 4 is the sum of the area of this multiple colored filter 4.The shape of colored filter 4 can be rectangle, triangle,
The shapes such as hexagon, circle.The colored color by its corresponding colored filter 4 that each color sub-pixel point 8 can be shown
It is determined.Since the area of the colored filter 4 on each color sub-pixel point 8 is less than the face of corresponding color sub-pixel point 8
Product namely colored filter 4 are only part covering color sub-pixel points 8 so that each color sub-pixel point 8 has part to show
The region that layer 2 is never covered by colored filter 4 is exposed, therefore when display layer 2 is displayed in white, can make the sub- picture of the colour
The display brightness of vegetarian refreshments 8 is higher, and thicker by the way that the filter of colored filter 4 to be made to, then the colour can be made sub
The color saturation of pixel 8 is higher, to keep the color display effect of the chromatic display preferable.Referring to FIG. 3, for
Achromatic sub-pixel point 8, such as white sub-pixels point 8, viewing side can then be not provided with colored filter 4.
It please refers to Fig.3, Fig. 4, Fig. 8 to Figure 10, in a preferred embodiment, the colored filter 4 of adjacent color sub-pixel point 8
Color it is different.It is distributed for example, each sub-pixel point 8 can be in matrix form, forms multiple rectangle block arrays, minimum repetitive unit
It arranges in RGB, RGBG, RGBW or CMYW, wherein R, G, B, C, M, Y, W are respectively red sub-pixel point, green sub-pixels point, indigo plant
Sub-pixels point, cyan sub-pixel point, pinkish red sub-pixels point, yellow sub-pixel point and white sub-pixels point, each sub- picture of colour
Colour is not arranged on white sub-pixels point for the solid colour of the color of colored filter 4 on vegetarian refreshments and each color sub-pixel point
Optical filter 4.RGB arrangement modes are as shown in figure 9, i.e. three R, G, B sub-pixel points are arranged in a minimum weight in horizontal or vertical direction
Multiple unit, namely a pixel is constituted, the sequence of wherein R, G, B are interchangeable, then on the basis of the minimum repetitive unit, along cross
Multiple minimum repetitive units of arranging are repeated to longitudinal.The arrangement mode of RGBG is as shown in figure 8, i.e. four R, G, B, G sub-pixels
The rectangular arrangement of point forms a minimum repetitive unit, namely constitutes a pixel, and two G sub-pixel points are in diagonal line minute
Cloth transversely repeats multiple minimum repetitive units of arranging then on the basis of the minimum repetitive unit with longitudinal.It arranges with RGBG
Mode is similar, and RGBW arrangements are that the rectangular arrangement of the sub- pixels of R, G, B, W tetra- forms a minimum repetitive unit, R, G, B, W
Sequence it is interchangeable, as shown in Figure 3 and Figure 4.CMYW arrangements are then that the rectangular arrangement of the sub- pixels of C, M, Y, W tetra- forms one most
The sequence of small repetitive unit, C, M, Y, W is interchangeable, as shown in Figure 10.
In another preferred embodiment, there is multiple pixels, which part pixel or whole on chromatic display
Pixel is color pixel cell, and each pixel includes 2 to 9 adjacent sub-pixel points 8, corresponding to each color pixel cell
The colored filter of same color is both provided on all sub-pixel points 8, multiple pixels are distributed in matrix form, multiple pixels
Minimum repetitive unit in RGB, RGBG, RGBW or CMYW arrange, wherein R, G, B, C, M, Y, W be respectively red pixel point, it is green
Colour vegetarian refreshments, blue pixel point, cyan pixel point, magenta pixel point, yellow pixel point and white pixel point, white pixel point
Colored filter 4 is not set on corresponding sub-pixel point 8.It, should when each pixel includes two adjacent sub-pixel points 8
Two sub- pixels 8 along display layer 2 transversely or longitudinally distribution, when each pixel includes nine adjacent sub-pixel points 8
When, this nine adjacent sub-pixel points 8 can be in that endian format is distributed.By taking chromatic display shown in Figure 11 as an example, each
Pixel includes the sub-pixel point 8 of four adjacent rectangular distributions, and multiple pixels are distributed in RGBW formulas, each red pixel
Point includes four sub-pixel points 8 for being provided with Red lightscreening plate above, and correspondingly, each green, blue pixel point respectively include
Four are provided with green, blue color filter sub-pixel point 8 above, and white pixel point includes then four and colored filter is not arranged above
The sub-pixel point of mating plate 4.The chromatic display of the embodiment can be applied to the scene of less demanding to pixel precision.
It please refers to Fig.3 to Fig. 6, on the direction of upper surface for being parallel to display layer 2, has between adjacent color optical filter 4
There are gap, display layer 2 to expose from the gap between colored filter 4.When there are one colorized optical filterings for setting on color sub-pixel point 8
When piece 4, there is gap between the colored filter 4 on two neighboring color sub-pixel point 8.It is arranged when on color sub-pixel point 8
When there are multiple colored filters 4, also there is gap between the adjacent color optical filter 4 on the color sub-pixel point 8.
In a preferred embodiment, 2-9 colored filter 4 can be set on each color sub-pixel point 8.Please refer to Fig.3,
Fig. 5 and Fig. 6, when two colored filters 4 are arranged on each color sub-pixel point 8, whens two colored filters 4, can be arranged side by side
Setting, when four colored filters 4 are arranged on each color sub-pixel point 8, four colored filters 4 can be in matrix form point
Cloth, when nine colored filters 4 are arranged on each color sub-pixel point 8, nine colored filters 4 can be in endian format point
Cloth.Due to being provided with multiple colored filters 4 on each color sub-pixel point 8, and between having between adjacent color optical filter 4
Gap, therefore the color that each color sub-pixel point 8 is presented can be made more uniform.
Referring to FIG. 3, each color sub-pixel point 8 includes four rectangle colored filters 4 in matrix form distribution, and four
Gap between a rectangle colored filter 4 forms cross.This arrangement mode can make the color of the color sub-pixel point 8
All more balanced with Luminance Distribution, display effect is preferable.
In a preferred embodiment, the area of the colored filter 4 of each color sub-pixel point 8 and each color sub-pixel point
8 area ratio is 0.13-0.9:1.If the area ratio is too small, the color saturation of chromatic display can be reduced,
If the area ratio is too big, the brightness of chromatic display can be reduced.By area ratio control to 0.13-0.9:1, energy
Ensure that chromatic display has preferable display effect.Preferably, the face of the colored filter 4 of each color sub-pixel point 8
Product and the area ratio of each color sub-pixel point 8 are 0.3-0.8:1.
It please refers to Fig.3, Fig. 5 and Fig. 6, each color sub-pixel point 8 include multiple rectangle colored filters 4, be parallel to
On the direction of the upper surface of display layer 2, there is gap, the length of side (packet of rectangle colored filter 4 between adjacent color optical filter 4
Include length of long sides and the broadside length of side) between 40-160 microns, adjacent two colored filter 4 of each color sub-pixel point 8 it
Between the ratio between the length of side of gap width and colored filter 4 be 0.1-0.6：1, it is therefore preferable to 0.2-0.3:1.It needs to illustrate
It is that the length of side of signified colored filter 4 refers to the length of side of two rectangle relative edges corresponding with the gap herein.Namely as schemed
Shown in 6, each color sub-pixel point 8 includes two spaced rectangle colored filters 4, two rectangle colored filters 4
Between spacing w and two rectangle colored filters 4 relative edge length of side d ratio be 0.1-0.6：1.For example, one
A display includes 800*600 sub- pixels 8, and each sub-pixel point 8 is the square of 110 microns of the length of side, then its w value can be with
It it is 10 microns, d values can be correspondingly 100 microns, and w values may be 40 microns, and d values can be correspondingly 70 microns.
Referring to FIG. 4, in another preferred embodiment, each color sub-pixel point 8 includes a rectangle colored filter
4, gap width between adjacent two colored filter 4 (namely colored filter 4 on two neighboring color sub-pixel point 8) with
The ratio between length of side of colored filter 4 is 0.05-1.75:1, it is therefore preferable to 0.2-0.6:1.It is equally side with each sub-pixel point 8
For long 110 microns of square, the gap width between adjacent two colored filter 4 can be 6 microns, colored filter 4
The length of side can be correspondingly gap width between 104 microns or adjacent two colored filter 4 can be 70 microns, it is color
The length of side of colo(u)r filter 4 can be correspondingly 40 microns.
It please refers to Fig.1 and Fig. 2, in some embodiments, chromatic display includes a filter sheet base plate 41, and colour is aobvious
Show that all colored filters 4 of device are set on the filter sheet base plate 41.It specifically, can be by the side such as printing, being deposited
Formula makes the light filter film of different colours on same filter sheet base plate 41, to form multiple colored filters 4.Please refer to figure
4, in further embodiments, chromatic display includes multiple filter sheet base plates 41 being stacked, the colour of same color
Optical filter 4 is located on same filter sheet base plate 41, and the colored filter 4 on different filter sheet base plates 41 is staggered, will not
Overlapping.In other embodiments, each colored filter 4 can also be independent of each other, i.e., does not share same filter sheet base plate 41.
Referring to FIG. 1, in a preferred embodiment, display layer 2 includes multiple display micro units along 2 cross direction profiles of display layer
21, it is each to show that micro unit 21 includes transparent confinement shell, the electrophoresis liquid being packaged in transparent confinement shell and is suspended in electrophoresis
Multiple coloured electrophoresis particles in liquid.Under the effect of the voltage of pixel electrode 11 and public electrode 3, electrophoresis particle is in electrophoresis liquid
Middle movement, closer or far from pixel electrode 11 and public electrode 3, to form pattern or word.In a preferred embodiment, it shows
Micro unit 21 can be microcapsules or micro-cup.The concrete structure of microcapsules can refer to Chinese patent application CN103091926A
In associated description, the structure of micro-cup can refer to the associated description in Chinese patent CN1246730C, and details are not described herein again.When
When showing that micro unit 21 is microcapsules, transparent confinement shell is the cyst wall of microcapsules, transparent when it is micro-cup to show micro unit 21
Closure is the interval insulant between micro-cup.In other embodiments, display layer 2 or cholesteric liquid crystal display layer or
Electrowetting display layer.
In a further preferred embodiment, each display micro unit 21 include multiple electrically charged white electrophoretic particles and
Multiple is in electroneutral black electrophoretic particles, when multiple white electrophoretic particles drive the viewing side to display micro unit 21 by electric signal
When, which is in color identical with colored filter 4, and when sight of the white electrophoretic particles far from display micro unit 21
When seeing side, which is in black.The operation principle of the chromatic display can refer to Chinese patent application
Associated description in CN101738814A.It is each to show that micro unit 21 includes multiple white electricity in other preferred embodiments
Swimming particle and multiple black electrophoretic particles, and white electrophoretic particles and the black electrophoretic particles band charges of different polarity, such as white electrophoretic
Particle is positively charged, and black electrophoretic particles are negatively charged.When multiple white electrophoretic particles are driven by electric signal to display micro unit
When 21 viewing side, black electrophoretic particles are then driven to side of the display micro unit 21 far from viewing side, which is in
Color identical with colored filter 4, and when white electrophoretic particles are far from the viewing side for showing micro unit 21, black electrophore tic grain
Viewing side that is sub then being driven to display micro unit 21, the sub-pixel point 8 is in black at this time.
Referring to FIG. 1, public electrode 3 is transparent and is set to the viewing side of display layer 2, drive circuit board 1 is set to display
The other side opposite with viewing side of layer 2, colored filter 4 are set to the viewing side of public electrode 3.In the present embodiment, public
Common electrode 3 can be by making one layer of ITO conductive film or graphite on PET, PT or glass substrate with modes such as coating, vapor depositions
Alkene conductive film obtains, and drive circuit board 1 can be by making driving electricity on the glass or plastic basis material with manufacture of semiconductor
Road, pixel electrode 11 and obtain, IC chip etc. can also be set on drive circuit board 1.Public electrode 3 and driving circuit
It can be connected by the plain conductor across display layer 2 between plate 1.It can also be arranged outside the viewing side of colored filter 4 transparent
Cover sheet 6, filling with sealant 7 between transparency protected cover board 6 and drive circuit board 1, by display layer 2, public electrode 3, colour
Optical filter 4 etc. is encapsulated.Referring to FIG. 2, in further embodiments, drive circuit board 1 is transparent and is set to display layer 2
Viewing side, public electrode 3 are set to the other side opposite with viewing side of display layer 2, and colored filter 4 is set to driving circuit
The viewing side of plate 1.In this embodiment, drive circuit board 1 can be by using manufacture of semiconductor on glass substrate, pet substrate
Formed thin film transistor (TFT) (TFT) circuit and obtain, public electrode 3 can it is transparent can not also be transparent, public electrode 3 and display layer
2 outer cladding fluid sealants 7.In other embodiments, when public electrode 3 is set to the viewing side of display layer 2, colored filter 4
It can also be set between display layer 2 and public electrode 3.
It please refers to Fig.1 and Fig. 2, in a preferred embodiment, display micro unit 21 is microcapsules, and display layer 2 further includes solidification
Decentralized medium, multiple microcapsules be distributed in solidification decentralized medium in, between display layer 2 and public electrode 3 and/or display layer 2 with
It is connected by adhesive layer 5 between drive circuit board 1, the ratio between the thickness of display layer 2 and the thickness of adhesive layer 5 are 1-10:1.Display
Layer 2 can have microcapsules, then by electronics by the coating electronic ink on public electrode 3 in electric ink containing multiple
Ink is dried, and display layer 2 is formed.The ingredient and manufacturing method of electric ink can refer to Chinese patent application CN106292118A
In associated description.Adhesive layer 5 can be by being coated with adhesive on the surface of display layer 2 and being solidified to form.Adhesive layer 5 can
With with certain electric conductivity.If adhesive layer 5 is too thick, public electrode 3 can be reduced and drive circuit board 1 is applied to display layer 2
Voltage.When adhesive layer 5 is arranged in the viewing side of display layer 2, adhesive layer 5 is that transparent, too thick adhesive layer 5 influences whether
Display layer 2 arrives the translucency on chromatic display surface, to influence the optical characteristics of chromatic display.If adhesive layer 5
It is too thin, then it can influence the bonding strength between display layer 2 and public electrode 2 or drive circuit board 1 so that chromatic display
When by mechanical shock, it is easily damaged.Therefore it is 1-10 by the control of the ratio between the thickness of display layer 2 and the thickness of adhesive layer 5:1,
It can make chromatic display that not only there is preferable electric light display performance, but also there is preferable mechanical strength.In general, it shows
The thickness of layer 2 is between 20 microns -150 microns, and the thickness of adhesive layer 5 is generally between 15 microns -20 microns.
The chromatic display of the embodiment of the present invention, since the area of colored filter is less than corresponding color sub-pixel point
Area so that each color sub-pixel point has part display layer not covered by colored filter, when the color monitor
When part carries out colored display, it can be more than by the brightness for the display layer that colored filter is covered and be covered by colored filter
The brightness of display layer, therefore compared to the prior art, the chromatic display of the embodiment of the present invention have when colour is shown compared with
High display brightness, display effect are preferable.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
The several embodiments invented above described embodiment only expresses, the description thereof is more specific and detailed, but not
It can therefore be construed as limiting the scope of the patent.It should be pointed out that for those of ordinary skill in the art,
Without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection model of the present invention
It encloses.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (14)
1. a kind of chromatic display comprising drive circuit board, display layer, public electrode and multiple colored filters, it is described
Drive circuit board, display layer, public electrode stacking connection, the display layer be set to the drive circuit board and public electrode it
Between, there are multiple sub-pixel points, which part sub-pixel point or whole sub-pixel points are colored son on the chromatic display
Pixel, be provided on the drive circuit board it is multiple with the one-to-one pixel electrode of the multiple sub-pixel point, it is described
Multiple colored filters are set to the viewing side of the display layer, and are arranged along the direction for being parallel to the display layer upper surface,
It is characterized in that, being both provided with one or more colored filters, the face of the colored filter on each color sub-pixel point
Area of the product less than corresponding color sub-pixel point.
2. chromatic display according to claim 1, which is characterized in that the colored filter of adjacent color sub-pixel point
Color it is different.
3. chromatic display according to claim 1, which is characterized in that in the side for being parallel to the display layer upper surface
Upwards, there is gap, the display layer to expose from the gap between the colored filter between adjacent color optical filter.
4. chromatic display according to claim 3, which is characterized in that each color sub-pixel point is provided with 2-9
The identical colored filter of color.
5. chromatic display according to claim 4, which is characterized in that it is in square that each color sub-pixel point, which includes four,
The rectangle colored filter of configuration distribution, and the gap between four rectangle colored filters forms cross.
6. chromatic display according to claim 1, which is characterized in that the colored filter of each color sub-pixel point
The area ratio of area and each color sub-pixel point be 0.13-0.9:1, it is therefore preferable to 0.3-0.8:1.
7. chromatic display according to claim 1, which is characterized in that each color sub-pixel point includes multiple rectangles
Colored filter has gap, Mei Gecai on the direction for being parallel to the display layer upper surface between adjacent color optical filter
The ratio between length of side of gap width and the colored filter between adjacent two colored filter of sub-pixels point is 0.1-
0.6:1, it is therefore preferable to 0.2-0.3:1；Or
Each color sub-pixel point includes a rectangle colored filter, the gap width between adjacent two colored filter and institute
It is 0.05-1.75 to state the ratio between length of side of colored filter:1, it is therefore preferable to 0.2-0.6:1.
8. chromatic display according to claim 1, which is characterized in that the chromatic display includes an optical filtering
All colored filters of plate base, the chromatic display are set on the filter sheet base plate；Or
The chromatic display includes multiple filter sheet base plates being stacked, and the colored filter of same color is positioned at same
On filter sheet base plate.
9. chromatic display according to claim 1, which is characterized in that the display layer includes multiple along the display
The display micro unit of layer cross direction profiles, each display micro unit include transparent confinement shell, are packaged in the transparent confinement
Electrophoresis liquid in shell and the multiple electrophoresis particles being suspended in the electrophoresis liquid.
10. chromatic display according to claim 9, which is characterized in that each display micro unit includes multiple
Electrically charged white electrophoretic particles and it is multiple be in electroneutral black electrophoretic particles；Or
Each display micro unit includes multiple white electrophoretic particles and multiple black electrophoretic particles, and the white electrophoretic grain
Son and the black electrophoretic particles band charges of different polarity.
11. chromatic display according to claim 9, which is characterized in that the public electrode is transparent and is set to institute
The viewing side of display layer is stated, the drive circuit board is set to the other side opposite with the viewing side of the display layer, institute
State the viewing side that colored filter is set to the public electrode；Or
The drive circuit board is transparent and is set to the viewing side of the display layer, and the public electrode is set to the display layer
The other side opposite with the viewing side, the colored filter is set to the viewing side of the drive circuit board.
12. chromatic display according to claim 9, which is characterized in that the display micro unit is microcapsules, described
Display layer further includes solidification decentralized medium, and the multiple microcapsules are distributed in the solidification decentralized medium, the display layer and
It is connected by adhesive layer between the public electrode and/or between the display layer and the drive circuit board, the display layer
The ratio between the thickness of thickness and the adhesive layer be 1-10:1.
13. according to claim 1 to 12 any one of them chromatic display, which is characterized in that the multiple sub-pixel point
Be distributed in matrix form, the minimum repetitive units of multiple sub-pixel points is arranged in RGB, RGBG, RGBW or CMYW, wherein R, G, B, C,
M, Y, W are respectively red sub-pixel point, green sub-pixels point, blue subpixels point, cyan sub-pixel point, pinkish red sub-pixels
The colored filter is not arranged on white sub-pixels point for point, yellow sub-pixel point and white sub-pixels point.
14. according to claim 1 to 12 any one of them chromatic display, which is characterized in that the chromatic display
Upper to have multiple pixels, which part pixel or whole pixels are color pixel cell, and each pixel is including 2 to 9
Adjacent sub-pixel point is both provided with the colorized optical filtering of same color on all sub-pixel points corresponding to each color pixel cell
Piece, the multiple pixel are distributed in matrix form, and the minimum repetitive unit of multiple pixels is arranged in RGB, RGBG, RGBW or CMYW
Cloth, wherein R, G, B, C, M, Y, W are respectively red pixel point, green pixel point, blue pixel point, cyan pixel point, magenta
The colorized optical filtering is not arranged on the sub-pixel point corresponding to white pixel point for pixel, yellow pixel point and white pixel point
Piece.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810160080.5A CN108333847A (en) | 2018-02-26 | 2018-02-26 | A kind of chromatic display |
| PCT/CN2018/099505 WO2019161642A1 (en) | 2018-02-26 | 2018-08-09 | Color display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810160080.5A CN108333847A (en) | 2018-02-26 | 2018-02-26 | A kind of chromatic display |
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| Publication Number | Publication Date |
|---|---|
| CN108333847A true CN108333847A (en) | 2018-07-27 |
Family
ID=62929892
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810160080.5A Pending CN108333847A (en) | 2018-02-26 | 2018-02-26 | A kind of chromatic display |
Country Status (2)
| Country | Link |
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| CN (1) | CN108333847A (en) |
| WO (1) | WO2019161642A1 (en) |
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| WO2019161642A1 (en) * | 2018-02-26 | 2019-08-29 | 广州奥翼电子科技股份有限公司 | Color display device |
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| CN113777849A (en) * | 2021-10-09 | 2021-12-10 | 珠海读书郎软件科技有限公司 | Electronic ink screen based on four special colors and color development method thereof |
| TWI779520B (en) * | 2021-03-16 | 2022-10-01 | 元太科技工業股份有限公司 | Color filter module |
| TWI814203B (en) * | 2022-01-10 | 2023-09-01 | 元太科技工業股份有限公司 | Color filter array and color electrophoretic display having the same |
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| WO2019161642A1 (en) | 2019-08-29 |
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Application publication date: 20180727 |