CN104808413A - Electrochromic display panel, manufacturing method thereof and display device - Google Patents
Electrochromic display panel, manufacturing method thereof and display device Download PDFInfo
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- CN104808413A CN104808413A CN201510263968.8A CN201510263968A CN104808413A CN 104808413 A CN104808413 A CN 104808413A CN 201510263968 A CN201510263968 A CN 201510263968A CN 104808413 A CN104808413 A CN 104808413A
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- upper substrate
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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
- G02F1/15—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 an electrochromic effect
- G02F1/153—Constructional details
- G02F1/161—Gaskets; Spacers; Sealing of cells; Filling or closing of cells
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- Optics & Photonics (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
Abstract
The invention discloses an electrochromic display panel, a manufacturing method thereof and a display device. The electrochromic display panel is used for realizing polychroism display and is used for solving the problem that an electrolyte solution cannot be poured. The electrochromic display panel comprises an upper substrate, a lower substrate, a first transparent electrode, an ion storage layer, a second transparent electrode, pixel walls, electrochromic layers and an electrolyte, wherein the upper substrate and the lower substrate are arranged oppositely, the first transparent electrode is located on one side, facing the lower substrate, of the upper substrate, the ion storage layer is located on the first transparent electrode, the second transparent electrode is located on one side, facing the upper substrate, of the lower substrate, the pixel walls and the electrochromic layers are located on the second transparent electrode, and the electrolyte is located between the upper substrate and the lower substrate; the electrochromic layers are made from at least two different kinds of materials; the pixel walls are used for isolating the electrochromic layers made from different materials, so as to enable the electrochromic layers made from different materials to be located in preset areas; the pixel walls are also used for supporting the upper substrate and the lower substrate after the upper substrate and the lower substrate are oppositely closed, so as to enable a preset gap to be formed between the upper substrate and the lower substrate.
Description
Technical field
The present invention relates to display technique field, particularly relate to a kind of electrochromic display panel and preparation method thereof, display device.
Background technology
Along with the fast development of display technique, the application of display device is more and more extensive, as the electronic tag display etc. in mobile phone, notebook computer, TV, car-mounted display and supermarket.But for above-mentioned display device, that display is used is all liquid crystal display (Liquid Crystal Display, LCD), and need to use backlight during liquid crystal display, the use of backlight makes the power consumption of display device in procedure for displaying higher.In order to reduce the power consumption in procedure for displaying, electrochromic display (ElectroChromic Display, ECD) is widely used.
As shown in Figure 1, the electrochromic display panel of prior art comprises from top to bottom successively: upper substrate 11, first transparency electrode 12, electrochromic layer 13, dielectric substrate 14, ion storage layer 15, second transparency electrode 16 and infrabasal plate 17, wherein, upper substrate 11 and infrabasal plate 17 are transparent glass substrate.
During the work of electrochromic display panel, certain voltage is applied between the first transparency electrode 12 and the second transparency electrode 16, redox reaction is there is in electrochromic layer 13 under voltage effect, color changes, and the material of electrochromic layer 13 has bistable performance, does not only need backlight with the electrochromic display device that electrochromic layer 13 makes, and after display still image, as long as displaying contents does not change, would not power consumption, energy-conservation object can be reached.Dielectric substrate 14 is made up of special conductive material, as: the solution or the solid electrolyte material that include sodium perchlorate etc., dielectric substrate 14 is between electrochromic layer 13 and ion storage layer 15, except the counterion needed for electrochromic layer 13 is provided, also need high ion conductivity and resistivity, the light transmission rate that simultaneously also must have.Ion storage layer 15 plays when redox reaction occurs electrochromic layer 13 and stores corresponding gegenion, keep the effect of whole system charge balance, ion storage layer 15 also can be a kind of electrochromic material contrary with the material discoloration of electrochromic layer 13, the effect of color addition or complementation can be played like this, what the material as: electrochromic layer adopted is anodic oxidation off-color material, then ion storage layer can adopt cathodic reduction off-color material.
In sum, prior art electrochromic display panel only can realize monochromatic display, and if dielectric substrate be liquid state time, due to cannot interval be formed between upper substrate and infrabasal plate, thus cannot realize pouring into electrolyte solution smoothly.
Summary of the invention
Embodiments provide a kind of electrochromic display panel and preparation method thereof, display device, in order to realize multicolor displaying, and solve the problem cannot pouring into electrolyte solution.
A kind of electrochromic display panel that the embodiment of the present invention provides, comprise the upper substrate that is oppositely arranged and infrabasal plate, be positioned at described upper substrate towards the first transparency electrode on described infrabasal plate side, the ion storage layer be positioned in described first transparency electrode, be positioned at described infrabasal plate towards the second transparency electrode on described upper substrate side, be positioned at pixel wall in described second transparency electrode and electrochromic layer, and the electrolytic solution between described upper substrate and described infrabasal plate, wherein:
The material of described electrochromic layer at least comprises two kinds of different materials;
Described pixel wall, for isolating the electrochromic layer of different materials, makes the electrochromic layer of different materials be arranged in predeterminable area; And at described upper substrate and described infrabasal plate to upper substrate described in box rear support and described infrabasal plate, make to form default interval between described upper substrate and described infrabasal plate.
The electrochromic display panel provided by the embodiment of the present invention, comprise the upper substrate that is oppositely arranged and infrabasal plate, described upper substrate towards the first transparency electrode on described infrabasal plate side, ion storage layer in described first transparency electrode, at described infrabasal plate towards the second transparency electrode on described upper substrate side, pixel wall in described second transparency electrode and electrochromic layer and the electrolytic solution between described upper substrate and described infrabasal plate, wherein: the material of described electrochromic layer at least comprises two kinds of different materials; Described pixel wall, for isolating the electrochromic layer of different materials, makes the electrochromic layer of different materials be arranged in predeterminable area; And at described upper substrate and described infrabasal plate to upper substrate described in box rear support and described infrabasal plate, make to form default interval between described upper substrate and described infrabasal plate.Material due to the electrochromic layer in the embodiment of the present invention at least comprises two kinds of different materials, therefore multicolor displaying can be realized when concrete display, in addition, because the pixel wall in the embodiment of the present invention is used at described upper substrate and described infrabasal plate upper substrate described in box rear support and described infrabasal plate, make to form default interval between described upper substrate and described infrabasal plate, therefore, it is possible to realize easily pouring into electrolyte solution between upper substrate and infrabasal plate.
Preferably, described pixel wall comprises some isolation parts and some support portions, and described support zone is on described isolation part, and described isolation part is for isolating the electrochromic layer of different materials; Described support portion is used at described upper substrate and described infrabasal plate upper substrate described in box rear support and described infrabasal plate.
Preferably, described isolation part comprises perpendicular to the first vertical portion of described infrabasal plate, the second vertical portion, the 3rd vertical portion and the 4th vertical portion, and described first vertical portion, the second vertical portion, the 3rd vertical portion and the 4th projection of vertical portion on described infrabasal plate form a seal region;
Described support zone on one of them vertical portion, or is positioned at wherein on two vertical portions, or is positioned at wherein on three vertical portions, or is positioned on four vertical portions.
Preferably, closely arrange with column direction completely whole described infrabasal plate respectively in the row direction in described isolation part, adjacent two described isolation parts share a vertical portion.
Preferably, the shape of support portion described in each, size are identical; The shape of described support portion is rectangular parallelepiped.
The embodiment of the present invention additionally provides a kind of display device, and described display device comprises above-mentioned electrochromic display panel.
The embodiment of the present invention additionally provides a kind of method for making of electrochromic display panel, and described method comprises:
Upper substrate makes the first transparency electrode, described first transparency electrode makes ion storage layer;
Infrabasal plate makes the second transparency electrode, described second transparency electrode makes pixel wall, described pixel wall comprises some isolation parts and some support portions, described isolation part, for isolating the electrochromic layer of the different materials of follow-up making, makes the electrochromic layer of different materials be arranged in predeterminable area; Described support portion to be used at follow-up described upper substrate and described infrabasal plate, to upper substrate described in box rear support and described infrabasal plate, making to form default interval between described upper substrate and described infrabasal plate;
In the predeterminable area that described isolation part separates, make the electrochromic layer of different materials, the material of described electrochromic layer at least comprises two kinds of different materials;
The described upper substrate and described infrabasal plate that complete above-mentioned steps are carried out box;
Electrolytic solution is poured between described upper substrate and described infrabasal plate.
Preferably, describedly in described second transparency electrode, make pixel wall, comprising:
Described second transparency electrode applies photoresist, adopt gray level mask board to explosure, development, form photoresist and remove district, photoresist part removal district and the complete reserved area of photoresist completely, wherein, the corresponding follow-up region needing the electrochromic layer making different materials, district removed completely by described photoresist, described photoresist part removes district to the region in requisition for formation isolation part, and the complete reserved area of described photoresist is to the region in requisition for formation support portion.
Preferably, the electrochromic layer of different materials is made in the predeterminable area adopting the method for inkjet printing to separate in described isolation part.
Preferably, describedly in described first transparency electrode, make ion storage layer, comprising:
Described first transparency electrode makes ion storage layer by the method for printing or spin coating.
Accompanying drawing explanation
Fig. 1 is the cross section structure schematic diagram of prior art electrochromic display panel;
The cross section structure schematic diagram of a kind of electrochromic display panel that Fig. 2 provides for the embodiment of the present invention;
The front elevation of a kind of electrochromic display panel that Fig. 3 provides for the embodiment of the present invention;
The structural representation of the pixel wall that Fig. 4 provides for the embodiment of the present invention;
Fig. 5 (a), Fig. 5 (b), Fig. 5 (c) and Fig. 5 (d) are respectively the position relationship structural representation between the isolation part of the composition pixel wall that the embodiment of the present invention provides and support portion;
The structural representation of the another kind of pixel wall that Fig. 6 provides for the embodiment of the present invention;
The method for making process flow diagram of a kind of electrochromic display panel that Fig. 7 provides for the embodiment of the present invention.
Embodiment
Embodiments provide a kind of electrochromic display panel and preparation method thereof, display device, in order to realize multicolor displaying, and solve the problem cannot pouring into electrolyte solution.
In order to make the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, the present invention is described in further detail, and obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
The electrochromic display panel that the specific embodiment of the invention provides is introduced in detail below in conjunction with accompanying drawing.
As shown in Figures 2 and 3, the specific embodiment of the invention provides a kind of electrochromic display panel, comprise the upper substrate 11 that is oppositely arranged and infrabasal plate 17, be positioned at upper substrate 11 face down the first transparency electrode 12 on substrate 17 side, the ion storage layer 15 be positioned in the first transparency electrode 12, be positioned at infrabasal plate 17 towards the second transparency electrode 16 on upper substrate 11 side, be positioned at pixel wall 20 in the second transparency electrode 16 and electrochromic layer 13, and the electrolytic solution 21 between upper substrate 11 and infrabasal plate 17, wherein:
The material of electrochromic layer 13 at least comprises two kinds of different materials;
Pixel wall 20, for isolating the electrochromic layer 13 of different materials, makes the electrochromic layer 13 of different materials be arranged in predeterminable area; And at upper substrate 11 and infrabasal plate 17 pairs of box rear support upper substrates 11 and infrabasal plate 17, make to form default interval between upper substrate 11 and infrabasal plate 17.
Preferably, the upper substrate 11 in the specific embodiment of the invention and infrabasal plate 17 are glass substrate, and certainly, in actual production process, upper substrate 11 and infrabasal plate 17 can also be the transparency carrier of other type.Preferably, the first transparency electrode 12 in the specific embodiment of the invention and the second transparency electrode 16 are tin indium oxide (ITO).
As shown in Figure 2, Figure 3 and Figure 4, pixel wall 20 in the specific embodiment of the invention comprises some isolation parts 201 and some support portions 202, support portion 202 is positioned on isolation part 201, isolation part 201, for isolating the electrochromic layer 13 of different materials, makes the electrochromic layer 13 of different materials be arranged in predeterminable area; Support portion 202, for supporting upper substrate 11 and infrabasal plate 17, makes to form default interval between upper substrate 11 and infrabasal plate 17, facilitates the perfusion of follow-up electrolytic solution 21.Certainly, when actual design, support portion 202 can not also be positioned on isolation part 201, can between adjacent two isolation parts 201, and now support portion 202 is being greater than isolation part 201 perpendicular to the height on infrabasal plate direction perpendicular to the height on infrabasal plate direction.
Particularly, as Fig. 5 (a), Fig. 5 (b), shown in Fig. 5 (c) He Fig. 5 (d), isolation part 201 in the specific embodiment of the invention comprises the first vertical portion 2011 perpendicular to infrabasal plate, second vertical portion 2012, 3rd vertical portion 2013 and the 4th vertical portion 2014, first vertical portion 2011, second vertical portion 2012, 3rd vertical portion 2013 and the 4th projection of vertical portion 2014 on infrabasal plate form a seal region, preferably, first vertical portion 2011 in the specific embodiment of the invention, second vertical portion 2012, the seal region of the 3rd vertical portion 2013 and the 4th vertical portion 2014 projection composition on infrabasal plate is square, in actual production process, first vertical portion 2011, second vertical portion 2012, the seal region of the 3rd vertical portion 2013 and the 4th vertical portion 2014 projection composition on infrabasal plate can also be rectangle, certainly, isolation part 201 in the specific embodiment of the invention can also comprise the vertical portion being greater than or less than four, the region of the projection composition of vertical portion on infrabasal plate can also be triangle and polygon.
Preferably, the shape of each isolation part 201 in the specific embodiment of the invention, size are identical, and closely arrange with column direction completely whole infrabasal plate respectively in the row direction in isolation part 201, adjacent two isolation parts 201 share a vertical portion.
As shown in Fig. 5 (a), support portion 202 in the specific embodiment of the invention is positioned on one of them vertical portion, as: support portion 202 is positioned on the 4th vertical portion 2014, certainly, when actual design, support portion 202 can also be positioned on the first vertical portion 2011, also can be positioned on the second vertical portion 2012, can also be positioned on the 3rd vertical portion 2013.As shown in Fig. 5 (b), support portion 202 in the specific embodiment of the invention is positioned at wherein on two vertical portions, as: support portion 202 is positioned on the 3rd vertical portion 2013 and the 4th vertical portion 2014, certainly, when actual design, support portion 202 can also be positioned on the 3rd vertical portion 2013 and the first vertical portion 2011, also can be positioned on the 3rd vertical portion 2013 and the second vertical portion 2012.As shown in Fig. 5 (c), support portion 202 in the specific embodiment of the invention is positioned at wherein on three vertical portions, as: support portion 202 is positioned on the second vertical portion 2012, the 3rd vertical portion 2013 and the 4th vertical portion 2014, certainly, when actual design, support portion 202 can also be positioned on the second vertical portion 2012, the 3rd vertical portion 2013 and the first vertical portion 2011.As shown in Fig. 5 (d), the support portion 202 in the specific embodiment of the invention is positioned on four vertical portions, as: support portion 202 is positioned on the first vertical portion 2012, vertical portion 2011, second, the 3rd vertical portion 2013 and the 4th vertical portion 2014.
Preferably, as shown in Figure 4, the shape of each support portion 202 in the specific embodiment of the invention, size are identical, and the shape of support portion 202 is rectangular parallelepiped, and certainly, when actual design, the cross sectional shape of support portion 202 can also be trapezoidal etc.The DENSITY ROOTS of the support portion 202 in the specific embodiment of the invention sets according to needs of production, as long as the box after upper substrate 11 and infrabasal plate 17 pairs of boxes can be kept thick evenly.
In addition, the structure of the pixel wall in the specific embodiment of the invention can also as shown in Figure 6, and this pixel wall only comprises the part 60 of the electrochromic layer 13 of isolation different materials.But this structure cannot form box interval after there are upper substrate 11 and infrabasal plate 17 pairs of boxes, and then cannot pour into the problem of electrolytic solution between upper substrate 11 and infrabasal plate 17.In actual production process, if first instil electrolytic solution, then carry out box, then can there is the shortcomings such as liquid electrolytic solution encapsulation difficulty.In order to solve the problem, large silicon ball can be used at electrochromic display panel periphery, at mid-level spray chock insulator matter, but the chock insulator matter sprayed may fall into the region between pixel wall, now good supporting role can not be played to upper substrate 11 and infrabasal plate 17, thus well electrolytic solution cannot be poured between upper substrate and infrabasal plate.
When electrochromic display panel in the specific embodiment of the invention works, certain voltage is applied between the first transparency electrode 12 and the second transparency electrode 16, redox reaction is there is in electrochromic layer 13 under electric current or electric field action, thus generation light absorption, cause color that reversible change occurs, the principle of work of the electrochromic display panel that the specific embodiment of the invention provides is same as the prior art, repeats no more here.Material due to the electrochromic layer 13 in the specific embodiment of the invention at least comprises two kinds of different materials, therefore the electrochromic display panel in the specific embodiment of the invention can realize multicolor displaying when showing, material as: the electrochromic layer 13 in the specific embodiment of the invention comprises three kinds of different materials, then electrochromic display panel can realize three looks displays.
The material of the electrochromic layer in electrochromic display panel should meet: have good electrochemical redox reversibility; The response time of color change is fast; The change of color is reversible; Color changing sensitivity is high; High mechanical property and chemical stability etc.The scope that electrochromic material comprises is more extensive, liquid and solid can be divided into by state of matter, current widely used electrochromic material comprises tungsten oxide (WO3), polyaniline etc., the electrochromic material that the material of the electrochromic layer in the specific embodiment of the invention adopts prior art usually to adopt.
Ion storage layer in electrochromic display panel should meet: can provide enough ions, has again high ion and electronic conductivity; Rete has certain firmness and chemical stability.The ion storage layer that prior art adopts has three types usually, the first is supplement type ion storage layer, this kind of ion storage layer is except providing ion to electrochromic layer, it itself is also a kind of coloured material, just painted when being in opposed polarity with electrochromic layer, thus reinforcement coloring effect, this kind of material all has galvanochemistry and optical activity; The second is non-supplemental type ion storage layer, and the galvanochemistry of this kind of ion storage layer material and photochemical properties are comparatively active, thus also have discoloration effect, but it is painted, colour killing polarity is identical with electrochromic layer; The third is the ion storage layer of non-coloring effect, this kind of ion storage layer material electrochemical character is active, but optical property is blunt, only serve the effect of ion storage, do not carry out painted, the ion storage layer material that the material of the ion storage layer in the specific embodiment of the invention adopts prior art usually to adopt.
Electrolyte in electrochromic display panel provides the transmission channel of electrochromic effect desired ion, and dielectric substrate should meet: high conductance; High light transmission rate; Good thermodynamic stability; Good chemical stability; Good electrochemical stability.The electrolyte that prior art adopts comprises solid-state and liquid, the liquid electrolyte that the electrolytic solution in the specific embodiment of the invention adopts prior art usually to adopt.Because the pixel wall in the specific embodiment of the invention to be used at upper substrate and infrabasal plate, to box rear support upper substrate and infrabasal plate, making to form default interval between upper substrate and infrabasal plate, can pouring into electrolyte solution easily.
The specific embodiment of the invention additionally provides a kind of display device, and this display device comprises above-mentioned electrochromic display panel.
Introduce the method for making of the electrochromic display panel that the specific embodiment of the invention provides below.
As shown in Figure 7, the specific embodiment of the invention additionally provides a kind of method for making of electrochromic display panel, and the method comprises:
S701, on upper substrate, make the first transparency electrode, described first transparency electrode makes ion storage layer;
S702, on infrabasal plate, make the second transparency electrode, described second transparency electrode makes pixel wall, described pixel wall comprises some isolation parts and some support portions, described isolation part, for isolating the electrochromic layer of the different materials of follow-up making, makes the electrochromic layer of different materials be arranged in predeterminable area; Described support portion to be used at follow-up described upper substrate and described infrabasal plate, to upper substrate described in box rear support and described infrabasal plate, making to form default interval between described upper substrate and described infrabasal plate;
Make the electrochromic layer of different materials in S703, the predeterminable area that separates in described isolation part, the material of described electrochromic layer at least comprises two kinds of different materials;
S704, the described upper substrate and described infrabasal plate that complete above-mentioned steps to be carried out box;
S705, between described upper substrate and described infrabasal plate, pour into electrolytic solution.
Particularly, first the specific embodiment of the invention makes the first transparency electrode on upper substrate, and the concrete manufacturing process of the first transparency electrode is same as the prior art, repeats no more here.Then, the first transparency electrode makes ion storage layer by the method for printing or spin coating.
Then, infrabasal plate makes the second transparency electrode, the concrete manufacturing process of the second transparency electrode is same as the prior art, repeats no more here.Then, second transparency electrode makes pixel wall, the detailed process that the specific embodiment of the invention makes pixel wall comprises: in the second transparency electrode, apply photoresist, adopt gray level mask board to explosure, development, form photoresist and remove district completely, photoresist part removes district and the complete reserved area of photoresist, wherein, the corresponding follow-up region needing the electrochromic layer making different materials, district removed completely by photoresist, photoresist part removes district to the region in requisition for formation isolation part, the complete reserved area of photoresist is to the region in requisition for formation support portion, the photoresist that the specific embodiment of the invention applies in the second transparency electrode can be positive photoresist, also can be negative photoresist.
Then, the electrochromic layer of different materials is made in the predeterminable area adopting the method for inkjet printing to separate in isolation part, make the electrochromic layer of different materials be arranged in predeterminable area, because inkjet technology is existingly know technology, no longer repeat here.
Then, the upper substrate and infrabasal plate that complete above-mentioned steps are carried out box, when what the specific embodiment of the invention was concrete shows box technique and prior art LCD, array base palte and color membrane substrates are carried out process during box similar, repeat no more here.Finally, between upper substrate and infrabasal plate, pour into electrolytic solution, the specific embodiment of the invention between upper substrate and infrabasal plate, pour into the method for electrolytic solution and prior art process of dispenser method between array base palte and color membrane substrates similar, repeat no more here.
In sum, the specific embodiment of the invention provides a kind of electrochromic display panel and preparation method thereof, display device, comprise the upper substrate and infrabasal plate that are oppositely arranged, be positioned at described upper substrate towards the first transparency electrode on described infrabasal plate side, be positioned at the ion storage layer in described first transparency electrode, be positioned at described infrabasal plate towards the second transparency electrode on described upper substrate side, be positioned at the pixel wall in described second transparency electrode and electrochromic layer, and the electrolytic solution between described upper substrate and described infrabasal plate, wherein: the material of described electrochromic layer at least comprises two kinds of different materials, described pixel wall, for isolating the electrochromic layer of different materials, makes the electrochromic layer of different materials be arranged in predeterminable area, and at described upper substrate and described infrabasal plate to upper substrate described in box rear support and described infrabasal plate, make to form default interval between described upper substrate and described infrabasal plate.Material due to the electrochromic layer in the specific embodiment of the invention at least comprises two kinds of different materials, therefore multicolor displaying can be realized when concrete display, because the pixel wall in the specific embodiment of the invention is used at described upper substrate and described infrabasal plate upper substrate described in box rear support and described infrabasal plate, make to form default interval between described upper substrate and described infrabasal plate, therefore, it is possible to realize easily pouring into electrolyte solution between upper substrate and infrabasal plate.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. an electrochromic display panel, it is characterized in that, comprise the upper substrate that is oppositely arranged and infrabasal plate, be positioned at described upper substrate towards the first transparency electrode on described infrabasal plate side, the ion storage layer be positioned in described first transparency electrode, be positioned at described infrabasal plate towards the second transparency electrode on described upper substrate side, be positioned at pixel wall in described second transparency electrode and electrochromic layer, and the electrolytic solution between described upper substrate and described infrabasal plate, wherein:
The material of described electrochromic layer at least comprises two kinds of different materials;
Described pixel wall, for isolating the electrochromic layer of different materials, makes the electrochromic layer of different materials be arranged in predeterminable area; And at described upper substrate and described infrabasal plate to upper substrate described in box rear support and described infrabasal plate, make to form default interval between described upper substrate and described infrabasal plate.
2. electrochromic display panel according to claim 1, is characterized in that, described pixel wall comprises some isolation parts and some support portions, and described support zone is on described isolation part, and described isolation part is for isolating the electrochromic layer of different materials; Described support portion is used at described upper substrate and described infrabasal plate upper substrate described in box rear support and described infrabasal plate.
3. electrochromic display panel according to claim 2, it is characterized in that, each isolation part comprises perpendicular to the first vertical portion of described infrabasal plate, the second vertical portion, the 3rd vertical portion and the 4th vertical portion, and described first vertical portion, the second vertical portion, the 3rd vertical portion and the 4th projection of vertical portion on described infrabasal plate form a seal region;
Described support zone on one of them vertical portion, or is positioned at wherein on two vertical portions, or is positioned at wherein on three vertical portions, or is positioned on four vertical portions.
4. electrochromic display panel according to claim 3, is characterized in that, closely arrange with column direction completely whole described infrabasal plate respectively in the row direction in described isolation part, adjacent two described isolation parts share a vertical portion.
5. electrochromic display panel according to claim 3, is characterized in that, shape, the size of support portion described in each are identical; The shape of described support portion is rectangular parallelepiped.
6. a display device, is characterized in that, described display device comprises the electrochromic display panel described in the arbitrary claim of claim 1-5.
7. a method for making for electrochromic display panel, is characterized in that, described method comprises:
Upper substrate makes the first transparency electrode, described first transparency electrode makes ion storage layer;
Infrabasal plate makes the second transparency electrode, described second transparency electrode makes pixel wall, described pixel wall comprises some isolation parts and some support portions, described isolation part, for isolating the electrochromic layer of the different materials of follow-up making, makes the electrochromic layer of different materials be arranged in predeterminable area; Described support portion to be used at follow-up described upper substrate and described infrabasal plate, to upper substrate described in box rear support and described infrabasal plate, making to form default interval between described upper substrate and described infrabasal plate;
In the predeterminable area that described isolation part separates, make the electrochromic layer of different materials, the material of described electrochromic layer at least comprises two kinds of different materials;
The described upper substrate and described infrabasal plate that complete above-mentioned steps are carried out box;
Electrolytic solution is poured between described upper substrate and described infrabasal plate.
8. method for making according to claim 7, is characterized in that, describedly in described second transparency electrode, makes pixel wall, comprising:
Described second transparency electrode applies photoresist, adopt gray level mask board to explosure, development, form photoresist and remove district, photoresist part removal district and the complete reserved area of photoresist completely, wherein, the corresponding follow-up region needing the electrochromic layer making different materials, district removed completely by described photoresist, described photoresist part removes district to the region in requisition for formation isolation part, and the complete reserved area of described photoresist is to the region in requisition for formation support portion.
9. method for making according to claim 7, is characterized in that, makes the electrochromic layer of different materials in the predeterminable area adopting the method for inkjet printing to separate in described isolation part.
10. method for making according to claim 7, is characterized in that, describedly in described first transparency electrode, makes ion storage layer, comprising:
Described first transparency electrode makes ion storage layer by the method for printing or spin coating.
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| CN201510263968.8A CN104808413A (en) | 2015-05-21 | 2015-05-21 | Electrochromic display panel, manufacturing method thereof and display device |
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| CN201510263968.8A CN104808413A (en) | 2015-05-21 | 2015-05-21 | Electrochromic display panel, manufacturing method thereof and display device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110488551A (en) * | 2019-08-23 | 2019-11-22 | 南京邮电大学 | A kind of flexibility electrochromism sull, device and preparation method thereof |
| WO2021043048A1 (en) * | 2019-09-06 | 2021-03-11 | 南通繁华新材料科技有限公司 | Electrochromic glass and method for manufacturing same |
| CN112147826A (en) * | 2020-09-18 | 2020-12-29 | 季华实验室 | Electronic color paper, preparation method and display device |
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