WO2015010362A1 - Electrochromic display panel and preparation method thereof, and display device - Google Patents
Electrochromic display panel and preparation method thereof, and display device Download PDFInfo
- Publication number
- WO2015010362A1 WO2015010362A1 PCT/CN2013/084060 CN2013084060W WO2015010362A1 WO 2015010362 A1 WO2015010362 A1 WO 2015010362A1 CN 2013084060 W CN2013084060 W CN 2013084060W WO 2015010362 A1 WO2015010362 A1 WO 2015010362A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- transparent
- substrate
- pixel electrodes
- transparent pixel
- display panel
- Prior art date
Links
Classifications
-
- 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
- G02F1/155—Electrodes
-
- 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
- G02F1/155—Electrodes
- G02F2001/1557—Side by side arrangements of working and counter electrodes
Definitions
- the present invention relates to the field of display technology
- Electrochromic refers to the phenomenon that a material's optical properties undergo a stable, reversible color change under the action of an applied electric field. It is produced between a low-transmittance colored state or a high-transmittance achromatic state. A reversible change in the physical phenomenon of a material caused by an electrochemical reaction, which appears as a reversible change in color in appearance.
- an electrochromic material a material having electrochromic properties
- a device made of an electrochromic material is referred to as an electrochromic device.
- a typical electrochromic device structure includes a cathodic discoloration layer and an anode layer and an electrochromic material therebetween, and a cathode conductive layer and an anode layer are respectively connected with a transparent conductive layer (usually an indium tin oxide ITO film).
- Liquid electrochromic materials are currently commonly used in the preparation of electrochromic devices, and the liquid material in the electrochromic device is relatively fluid, resulting in a color unevenness in the electrochromic display.
- the technical problem to be solved by the present invention is to provide an electrochromic display panel, a preparation method thereof, and a display device to increase the transmittance and display uniformity of the display device.
- an electrochromic display panel including:
- the poles of adjacent transparent pixel electrodes are respectively a first substrate and a second substrate.
- the transparent pixel electrode is located on the first substrate;
- the transparent pixel electrode is located on the second substrate;
- the transparent pixel electrodes are respectively disposed on the first substrate and the second substrate, and the transparent pixel electrodes on the first substrate are disposed opposite to the transparent pixel electrodes on the second substrate; or
- the transparent pixel electrodes are respectively disposed on the first substrate and the second substrate, and the transparent pixel electrodes on the first substrate are spaced apart from the transparent pixel electrodes on the second substrate.
- the liquid electrochromic material is located between the plurality of transparent pixel electrodes.
- the distance between the first substrate and the second substrate is 2-3 um, and the height of the transparent pixel electrode is 0.8 lum.
- the interval between the transparent pixel electrodes on the same transparent substrate is 10 100 um.
- the transparent pixel electrode has a width of 3-10 um.
- Embodiments of the present invention also provide a display device including the electrochromic display panel as described above.
- the embodiment of the invention further provides a method for preparing the electrochromic display panel as described above, comprising the following steps:
- a liquid electrochromic material on at least one of the transparent groups; forming a plurality of spaced-apart transparent images having a predetermined height on a transparent substrate on which one of the transparent pixel electrodes is formed; depositing a liquid electrochromic material The electrolyte is dripped on the transparent substrate to form an electrolyte layer; the sealant is formed on the other transparent substrate;
- the two transparent substrates are paired, and the sealant is cured to obtain an electrochromic display panel.
- the step of forming a plurality of spaced-apart transparent pixel electrodes having a preset degree on at least one of the transparent substrates comprises: A transparent conductive material is sputtered on at least one of the transparent substrates to form a transparent conductive layer; and the transparent conductive layer is formed by a patterning process to form a plurality of spaced apart transparent pixel electrodes having a predetermined height.
- the step of depositing the liquid electrochromic material on the transparent substrate on which one of the transparent pixel electrodes is formed comprises:
- a liquid electrochromic material is deposited by electrochemical means on one of the transparent substrates on which the transparent pixel electrodes are formed.
- the transparent substrate is provided with a transparent pixel electrode having a certain height, which can block the flow of the liquid electrochromic material to a certain extent, so that the liquid electrochromic material is not easy to occur when the electrochromic display panel is in any spatial position.
- the flow makes the electrochromic display panel having a larger cell thickness have a better electrochromic effect, thereby increasing the transmittance and display uniformity of the display device.
- FIG. 1 is a schematic view showing an electric field between transparent pixel electrodes of an electrochromic display panel according to an embodiment of the present invention
- FIG. 2 is a schematic structural view of an electrochromic display panel according to Embodiment 1 of the present invention.
- FIG. 3 is a schematic view of the electrochromic display panel shown in FIG. 2 when displayed;
- FIG. 4 is a schematic structural view of an electrochromic display panel according to Embodiment 2 of the present invention.
- FIG. 5 is a schematic structural view of an electrochromic display panel according to Embodiment 3 of the present invention.
- a liquid electrochromic material is generally used in the preparation of an electrochromic device, and the liquid material in the electrochromic device is relatively fluid, resulting in a problem of color unevenness in electrochromic display, and embodiments of the present invention
- an electrochromic display panel, a preparation method thereof, and a display device which can increase transmittance and display uniformity of the display device.
- Embodiments of the present invention provide an electrochromic display panel, including:
- a transparent pixel electrode having a certain height is disposed on the transparent substrate, which can block the flow of the liquid electrochromic material to a certain extent, so that the liquid electrochromic material is at the electrochromic display panel.
- the flow is less likely to occur at any spatial position, so that the electrochromic display panel having a larger cell thickness has a better electrochromic effect, thereby increasing the transmittance and display uniformity of the display device.
- the two transparent substrates are respectively a first substrate and a second substrate, and the first substrate and the second substrate may be a glass substrate or other transparent substrate.
- the transparent pixel electrode may be formed only on the first substrate, and a plurality of spaced-apart transparent pixel electrodes having a predetermined height on the first substrate, no transparent pixel electrode is formed on the second substrate; or the transparent pixel electrode is formed only On the second substrate, a plurality of spaced-apart transparent pixel electrodes having a predetermined height on the second substrate are not formed on the first substrate.
- a transparent pixel electrode may be formed on both the first substrate and the second substrate, and a plurality of spaced-apart transparent pixel electrodes having a predetermined height on the first substrate have a preset height on the second substrate A plurality of spaced apart transparent pixel electrodes.
- the transparent pixel electrode on the first substrate is disposed opposite to the transparent pixel electrode on the second substrate; or the transparent pixel electrode on the first substrate is spaced apart from the transparent pixel electrode on the second substrate. Since a transparent pixel electrode having a certain height is formed on the transparent substrate, the liquid electrochromic material is located between the plurality of the transparent pixel electrodes.
- the distance between the first substrate and the second substrate may be 2 - 3 um, and the height of the transparent pixel electrode may be 0. 8-lum.
- the transparent pixel electrode is located on only one of the transparent substrates or the transparent pixel electrode is respectively located on the two transparent substrates, but the transparent pixel electrode on the first substrate is spaced apart from the transparent pixel electrode on the second substrate, the height of the transparent pixel electrode
- the transparent pixel electrode can be set to be relatively large; when the transparent pixel electrodes are respectively disposed on the two transparent substrates, but the transparent pixel electrodes on the first substrate are disposed opposite to the transparent pixel electrodes on the second substrate, the height of the transparent pixel electrodes can be set. smaller.
- the interval between the transparent pixel electrodes on the same transparent substrate may be 10 100.
- the width of the transparent pixel electrode may be 3-10 um.
- the embodiment of the invention further provides a display device comprising the above electrochromic display panel.
- the structure and working principle of the electrochromic display panel included in the above are the same as those in the above embodiment, and will not be described again.
- the structure of other parts of the display device can be referred to the prior art, and will not be described in detail herein.
- the display device can be: a product or a component having any display function such as an electronic paper, a television, a display, a digital photo frame, a mobile phone, a tablet, or the like.
- the embodiment of the invention further provides a method for preparing the above electrochromic display panel, comprising the following steps:
- the two transparent substrates are paired, and the sealant is cured to obtain an electrochromic display panel.
- the step of forming a plurality of spaced-apart transparent pixel electrodes having a predetermined height on at least one of the transparent substrates comprises: A transparent conductive material is sputtered on at least one of the transparent substrates to form a transparent conductive layer, and the transparent conductive layer may have a height i. 5um, wherein the transparent conductive material may be ITO (Iiidmm Tin Oxides, indium tin oxide) or IGZO (In Ga Zn- 0 , indium gallium zinc oxide);
- the transparent conductive layer is used to form a plurality of spaced-apart transparent pixel electrodes having a predetermined height by a patterning process, and the height of the transparent pixel electrode may be 0.8-lum.
- a plurality of spaced-apart transparent pixel electrodes having a predetermined height may be formed on only one of the transparent substrates; or a plurality of spaced-apart intervals having a predetermined height may be respectively formed on the two transparent substrates.
- the step of depositing the liquid electrochromic material on one of the transparent substrates on which the transparent pixel electrodes are formed includes:
- the liquid electrochromic material may also be formed on a transparent substrate by a dropping method, and the dropping method may be applied to the electrochromic region by a drop-in ODF (One Drop Filling) method or through a central drop.
- the coating is applied to the electrochromic region in a manner of spin coating, and may be applied to the electrochromic region by slit casting and spin coating.
- the frame sealant may be a light-cured frame sealant, a heat-cured frame sealant or a mixed frame sealant (for example, a frame sealant which is first cured by photocuring), and when the frame sealant is cured.
- the corresponding curing method will be selected according to the type of sealant.
- a transparent pixel electrode having a certain height is disposed on the transparent substrate, which can block the flow of the liquid electrochromic material to a certain extent, so that the liquid electrochromic material is in the electrochromic display panel.
- the flow is less likely to occur, so that the electrochromic display panel having a larger cell thickness has a better electrochromic effect, thereby increasing the transmittance and display uniformity of the display device.
- Embodiment 1 The electrochromic display panel of the present invention will be described in detail below with reference to specific embodiments: Embodiment 1
- the electrochromic display panel of the present embodiment includes a first substrate 1 and a second substrate 4 disposed opposite to each other, and the first substrate 1 and the second substrate 4 may be a glass substrate or other transparent substrate.
- a plurality of spaced apart transparent pixel electrodes 3 having a certain height are formed on the second substrate 4, and the electrochromic display panel further includes a liquid electrochromic material 5 and an electrolyte layer 2 between the two transparent substrates.
- the adjacent transparent pixel electrodes 3 have opposite polarities, and an electric field is formed between adjacent transparent pixel electrodes, and the liquid electrochromic material 5 undergoes an oxidation-reduction reaction under the action of an electric field.
- the color changes and as shown in Fig. 3, a color developing region 6 and a non-coloring region 7 are formed between the transparent pixel electrodes.
- the magnitude of the electric field can be changed, and the change in color can be controlled to complete the display.
- the electrochromic display panel of the present embodiment includes a first substrate 1 and a second substrate 4 disposed opposite to each other, and the first substrate 1 and the second substrate 4 may be a glass substrate or other transparent substrate.
- the electrochromic display panel further includes a liquid electrochromic material 5 and an electrolyte layer 2 between the two transparent substrates.
- the polarities of adjacent transparent pixel electrodes 3 are opposite. Specifically, the polarities of adjacent transparent pixel electrodes 3 on the same transparent substrate are opposite, and the opposite transparent pixels on different transparent substrates are The polar phase of the electrode 3.
- an electric field can be formed between adjacent transparent pixel electrodes, and the liquid electrochromic material 5 undergoes a redox reaction under the electric field, and the color changes, forming a color developing region and a non-coloring region between the transparent pixel electrodes.
- the magnitude of the electric field can be changed, thereby controlling the change in color and completing the display.
- the electrochromic display panel of the present embodiment includes a first substrate 1 and a second substrate 4 disposed opposite to each other, and the first substrate 1 and the second substrate 4 may be a glass substrate or other transparent substrate.
- a plurality of transparent pixel electrodes 3 arranged at a certain height are formed on the first substrate 1 and the second substrate 4, and transparent pixel electrodes on the first substrate 1 and the second substrate 4 are spaced apart from each other.
- the transparent pixel electrode on the first substrate 1 is located in the middle of the adjacent two transparent pixel electrodes on the second substrate 4, and the transparent pixel electrodes on the second substrate 4 are located on the adjacent two on the first substrate 1.
- the electrochromic display panel further includes a liquid electrochromic material 5 and an electrolyte layer 2 between the two transparent substrates.
- the polarity of the adjacent transparent pixel electrodes 3 is opposite when the display day is displayed, specifically, the transparent pixel electrodes on the first substrate 1 and the adjacent two transparent pixels on the second substrate 4 The polarities of the electrodes are opposite, and the transparent pixel electrodes on the second substrate 4 are opposite in polarity to the adjacent two transparent pixel electrodes on the first substrate 1.
- an electric field can be formed between adjacent transparent pixel electrodes, and the liquid electrochromic material 5 undergoes a redox reaction under the action of an electric field, and the color changes to form a color developing region and a non-color developing region between the transparent pixel electrodes.
- the magnitude of the electric field can be changed, thereby controlling the change in color and completing the display.
- the transparent pixel electrode having a certain height is disposed on the first substrate and the second substrate, the flow of the liquid electrochromic material can be blocked to some extent, so that the liquid electrochromic material is in any spatial position on the electrochromic display panel.
- the electrochromic display panel has a better electrochromic effect, thereby increasing the transmittance and display uniformity of the display device.
- the patterning process may include only a photolithography process, or may include a photolithography process and an etching process, and may also include other processes for forming a predetermined pattern, such as printing, inkjet, etc.; A process of forming a pattern using a photoresist, a mask, an exposure machine, or the like, including a process of film formation, exposure, development, and the like.
- the corresponding patterning process can be selected in accordance with the structure formed in the present invention.
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
Abstract
An electrochromic (EC) display panel, comprising: two transparent substrates (1, 4) oppositely disposed; a plurality of transparent pixel electrodes (3) having a preset height and disposed on at least one transparent substrate (1, 4); and liquid EC material (5) and an electrolyte layer (2) located between the two transparent substrates (1, 4); when the display panel is displaying, adjacent transparent pixel electrodes (3) have opposite polarity. The EC display panel increases the transmittance and display uniformity of a display device. Also provided are an EC display panel preparation method and display device.
Description
本发明涉及显示技术领域, The present invention relates to the field of display technology,
法、 显示装置。 Method, display device.
电致变色 （Eletro chromism, EC) 是指材料的光学属性在外加电场的作 用下发生稳定、 可逆的颜色变化的现象， 是在低透射率的有色状态或高透射 率的消色状态之间产生可逆变化的一种电化学反应引起的材料物理性变化的 特殊现象， 在外观上表现为颜色的可逆变化。 Electrochromic (EC) refers to the phenomenon that a material's optical properties undergo a stable, reversible color change under the action of an applied electric field. It is produced between a low-transmittance colored state or a high-transmittance achromatic state. A reversible change in the physical phenomenon of a material caused by an electrochemical reaction, which appears as a reversible change in color in appearance.
通常， 将具有电致变色性能的材料称为电致变色材料， 用电致变色材料 做成的器件称为电致变色器件。 典型的电致变色器件结构中包括阴极变色层 和阳极层及之间的电致变色材料， 阴极变色层和阳极层分别连接有透明导电 层 （通常为铟锡氧化物 ITO薄膜）。 Generally, a material having electrochromic properties is referred to as an electrochromic material, and a device made of an electrochromic material is referred to as an electrochromic device. A typical electrochromic device structure includes a cathodic discoloration layer and an anode layer and an electrochromic material therebetween, and a cathode conductive layer and an anode layer are respectively connected with a transparent conductive layer (usually an indium tin oxide ITO film).
目前在制备电致变色器件时通常使用液体电致变色材料， 由于电致变色 器件内液态材料流动性比较强， 从而导致电致变色显示时颜色不均一。 Liquid electrochromic materials are currently commonly used in the preparation of electrochromic devices, and the liquid material in the electrochromic device is relatively fluid, resulting in a color unevenness in the electrochromic display.
本发明要解决的技术问题是提供一种电致变色显示面板及其制备方法、 显示装置， 以增加显示装置的透过率和显示均一性。 The technical problem to be solved by the present invention is to provide an electrochromic display panel, a preparation method thereof, and a display device to increase the transmittance and display uniformity of the display device.
为解决上述技术问题， 本发明的实施例提供技术方案如下： In order to solve the above technical problem, the embodiments of the present invention provide the following technical solutions:
一方面， 本发明的实施例提供一种电致变色显示面板， 包括： In one aspect, an embodiment of the present invention provides an electrochromic display panel, including:
相对设置的两个透明基板； Two transparent substrates disposed opposite each other;
设置在至少一个所述透明基板上的、 具有预设高度的多个间隔排列的透 明像素电极； a plurality of spaced apart transparent pixel electrodes having a predetermined height disposed on at least one of the transparent substrates;
位于两个透明基板之间的液体电致变色材料和电解质层； a liquid electrochromic material and an electrolyte layer between the two transparent substrates;
其中， 在所述电致变色显示面板进行显示时， 相邻的透明像素电极的极
进一步地， 上述方案中， 所述两个透明基板分别为第一基板和第二基板., 其中， 所述透明像素电极位于第一基板上； 或 Wherein, when the electrochromic display panel is displayed, the poles of adjacent transparent pixel electrodes Further, in the above solution, the two transparent substrates are respectively a first substrate and a second substrate. The transparent pixel electrode is located on the first substrate; or
所述透明像素电极位于第二基板上； 或 The transparent pixel electrode is located on the second substrate; or
所述透明像素电极分别位于第一基板和第二基板上， 所述第一基板上的 透明像素电极与所述第二基板上的透明像素电极一一相对设置； 或 The transparent pixel electrodes are respectively disposed on the first substrate and the second substrate, and the transparent pixel electrodes on the first substrate are disposed opposite to the transparent pixel electrodes on the second substrate; or
所述透明像素电极分别位于第一基板和第二基板上， 所述第一基板上的 透明像素电极与所述第二基板上的透明像素电极间隔设置。 The transparent pixel electrodes are respectively disposed on the first substrate and the second substrate, and the transparent pixel electrodes on the first substrate are spaced apart from the transparent pixel electrodes on the second substrate.
进一步地， 上述方案中， 所述液体电致变色材料位于多个所述透明像素 电极之间。 Further, in the above aspect, the liquid electrochromic material is located between the plurality of transparent pixel electrodes.
进一步地， 上述方案中， 所述第一基板与第二基板之间的距离为 2- 3um, 所述透明像素电极的高度为 0.8 lum。 Further, in the above aspect, the distance between the first substrate and the second substrate is 2-3 um, and the height of the transparent pixel electrode is 0.8 lum.
进一步地， 上述方案中 位于同一透明基板上的所述透明像素电极之间 的间隔为 10 100um。 Further, in the above solution, the interval between the transparent pixel electrodes on the same transparent substrate is 10 100 um.
进一步地， 上述方案中, 所述透明像素电极的宽度为 3-10um。 Further, in the above solution, the transparent pixel electrode has a width of 3-10 um.
本发明实施例还提供了 种显示装置， 包括如上所述的电致变色显示面 板。 Embodiments of the present invention also provide a display device including the electrochromic display panel as described above.
本发明实施例还提供了 种如上所述的电致变色显示面板的制备方法， 包括如下步骤： The embodiment of the invention further provides a method for preparing the electrochromic display panel as described above, comprising the following steps:
提供两个透明基板； Providing two transparent substrates;
在至少一个所述透明基; 1：形成具有预设高度的多个间隔排列的透明像 在其中一个形成有透明像素电极的透明基板上沉积液体电致变色材料； 在沉积有液体电致变色材料的透明基板上滴注电解液形成电解质层； 在另一个透明基板上形成封框胶； Depositing a liquid electrochromic material on at least one of the transparent groups; forming a plurality of spaced-apart transparent images having a predetermined height on a transparent substrate on which one of the transparent pixel electrodes is formed; depositing a liquid electrochromic material The electrolyte is dripped on the transparent substrate to form an electrolyte layer; the sealant is formed on the other transparent substrate;
将两个透明基板进行对盒， 固化封框胶， 获得电致变色显示面板。 The two transparent substrates are paired, and the sealant is cured to obtain an electrochromic display panel.
迸一步地， 上述方案中， 所述在至少一个所述透明基板上形成具有预设 度的多个间隔排列的透明像素电极的步骤包括：
在至少一个所述透明基板上溅射透明导电材料形成透明导电层； 通过构图工艺利 ^所述透明导电层形成具有预设高度的多个间隔排列的 透明像素电极。 Further, in the above solution, the step of forming a plurality of spaced-apart transparent pixel electrodes having a preset degree on at least one of the transparent substrates comprises: A transparent conductive material is sputtered on at least one of the transparent substrates to form a transparent conductive layer; and the transparent conductive layer is formed by a patterning process to form a plurality of spaced apart transparent pixel electrodes having a predetermined height.
进一步地， 上述方案中， 所述在其中一个形成有透明像素电极的透明基 板上沉积液体电致变色材料的步骤包括： Further, in the above solution, the step of depositing the liquid electrochromic material on the transparent substrate on which one of the transparent pixel electrodes is formed comprises:
通过电化学法在其中一个形成有透明像素电极的透明基板上沉积液体电 致变色材料。 A liquid electrochromic material is deposited by electrochemical means on one of the transparent substrates on which the transparent pixel electrodes are formed.
本发明的实施例具有以下有益效果： Embodiments of the present invention have the following beneficial effects:
上述方案中， 透明基板上设有具有一定高度的透明像素电极， 能够在一 定程度上阻挡液体电致变色材料的流动， 使得液体电致变色材料在电致变色 显示面板处于任意空间位置时不易发生流动， 使具有较大盒厚的电致变色显 示面板具有较好的电致变色效果，从而增加显示装置的透过率和显示均一性。 In the above solution, the transparent substrate is provided with a transparent pixel electrode having a certain height, which can block the flow of the liquid electrochromic material to a certain extent, so that the liquid electrochromic material is not easy to occur when the electrochromic display panel is in any spatial position. The flow makes the electrochromic display panel having a larger cell thickness have a better electrochromic effect, thereby increasing the transmittance and display uniformity of the display device.
图 1为本发明实施例电致变色显示面板的透明像素电极之间的电场的示 意图； 1 is a schematic view showing an electric field between transparent pixel electrodes of an electrochromic display panel according to an embodiment of the present invention;
图 2为本发明实施例一中的电致变色显示面板的结构示意图； 2 is a schematic structural view of an electrochromic display panel according to Embodiment 1 of the present invention;
图 3为图 2所示的电致变色显示面板在进行显示时的示意图； 3 is a schematic view of the electrochromic display panel shown in FIG. 2 when displayed;
图 4为本发明实施例二中的电致变色显示面板的结构示意图； 4 is a schematic structural view of an electrochromic display panel according to Embodiment 2 of the present invention;
图 5为本发明实施例三中的电致变色显示面板的结构示意图。 FIG. 5 is a schematic structural view of an electrochromic display panel according to Embodiment 3 of the present invention.
險图标记 Risk map mark
1 第一基板 2 电解质层 1 first substrate 2 electrolyte layer
3 透明像素电极 4 第二基板 3 transparent pixel electrode 4 second substrate
5 液体电致变色材料 6 显色区域 5 liquid electrochromic material 6 color development area
7 不显色区域 7 no color area
为使本发明的实施例要解决的技术问题、 技术方案和优点更加清楚， 下
面将结合附图及具体实施例进行详细描述。 In order to make the technical problems, technical solutions and advantages to be solved by the embodiments of the present invention more clear, The detailed description will be made in conjunction with the drawings and specific embodiments.
针对现有技术中在制备电致变色器件时通常使用液体电致变色材料， 而 电致变色器件内液态材料流动性比较强， 导致电致变色显示时颜色不均一的 问题， 本发明的实施例提供一种电致变色显示面板及其制备方法、显示装置， 能够增加显示装置的透过率和显示均一性。 In view of the prior art, a liquid electrochromic material is generally used in the preparation of an electrochromic device, and the liquid material in the electrochromic device is relatively fluid, resulting in a problem of color unevenness in electrochromic display, and embodiments of the present invention Provided is an electrochromic display panel, a preparation method thereof, and a display device, which can increase transmittance and display uniformity of the display device.
本发明实施例提供了一种电致变色显示面板， 包括： Embodiments of the present invention provide an electrochromic display panel, including:
相对设置的两个透明基板； Two transparent substrates disposed opposite each other;
设置在至少一个所述透明基板上的、 具有预设高度的多个间隔排列的透 明像素电极； a plurality of spaced apart transparent pixel electrodes having a predetermined height disposed on at least one of the transparent substrates;
位于两个透明基板之间的液体电致变色材料和电解质层； a liquid electrochromic material and an electrolyte layer between the two transparent substrates;
其中， 在所述电致变色显示面板进行显示时， 相邻的透明像素电极的极 性相反。 Wherein, when the electrochromic display panel is displayed, the polarities of adjacent transparent pixel electrodes are opposite.
本发明的电致变色显示面板中， 透明基板上设有具有一定高度的透明像 素电极， 能够在一定程度上阻挡液体电致变色材料的流动， 使得液体电致变 色材料在电致变色显示面板处于任意空间位置时不易发生流动， 使具有较大 盒厚的电致变色显示面板具有较好的电致变色效果， 从而增加显示装置的透 过率和显示均一性。 In the electrochromic display panel of the present invention, a transparent pixel electrode having a certain height is disposed on the transparent substrate, which can block the flow of the liquid electrochromic material to a certain extent, so that the liquid electrochromic material is at the electrochromic display panel. The flow is less likely to occur at any spatial position, so that the electrochromic display panel having a larger cell thickness has a better electrochromic effect, thereby increasing the transmittance and display uniformity of the display device.
进一步地， 所述两个透明基板分别为第一基板和第二基板， 所述第一基 板、 第二基板可以为玻璃基板或其他透明基板。 所述透明像素电极可以只形 成在第一基板上， 在第一基板上具有预设高度的多个间隔排列的透明像素电 极， 在第二基板上不形成透明像素电极； 或者透明像素电极只形成在第二基 板上， 在第二基板上具有预设高度的多个间隔排列的透明像素电极， 在第一 基板上不形成透明像素电极。 Further, the two transparent substrates are respectively a first substrate and a second substrate, and the first substrate and the second substrate may be a glass substrate or other transparent substrate. The transparent pixel electrode may be formed only on the first substrate, and a plurality of spaced-apart transparent pixel electrodes having a predetermined height on the first substrate, no transparent pixel electrode is formed on the second substrate; or the transparent pixel electrode is formed only On the second substrate, a plurality of spaced-apart transparent pixel electrodes having a predetermined height on the second substrate are not formed on the first substrate.
进一步地， 还可以分别在第一基板和第二基板上都形成透明像素电极， 在第一基板上具有预设高度的多个间隔排列的透明像素电极， 在第二基板上 具有预设高度的多个间隔排列的透明像素电极。 其中， 第一基板上的透明像 素电极与第二基板上的透明像素电极一一相对设置； 或第一基板上的透明像 素电极与第二基板上的透明像素电极间隔设置。
因为在透明基板上形成了具有一定高度的透明像素电极， 因此液体电致 变色材料位于多个所述透明像素电极之间。 Further, a transparent pixel electrode may be formed on both the first substrate and the second substrate, and a plurality of spaced-apart transparent pixel electrodes having a predetermined height on the first substrate have a preset height on the second substrate A plurality of spaced apart transparent pixel electrodes. The transparent pixel electrode on the first substrate is disposed opposite to the transparent pixel electrode on the second substrate; or the transparent pixel electrode on the first substrate is spaced apart from the transparent pixel electrode on the second substrate. Since a transparent pixel electrode having a certain height is formed on the transparent substrate, the liquid electrochromic material is located between the plurality of the transparent pixel electrodes.
具体地， 第一基板与第二基板之间的距离可以为 2- 3um， 透明像素电极 的高度可以为 0。8-lum。在透明像素电极仅位于其中一个透明基板上或者透明 像素电极分别位于两个透明基板上、 但第一基板上的透明像素电极与第二基 板上的透明像素电极间隔设置时， 透明像素电极的高度可以设置得比较大； 在透明像素电极分别位于两个透明基板上、 但第一基板上的透明像素电极与 第二基板上的透明像素电极一一相对设置时， 透明像素电极的高度可以设置 得比较小。 Specifically, the distance between the first substrate and the second substrate may be 2 - 3 um, and the height of the transparent pixel electrode may be 0. 8-lum. When the transparent pixel electrode is located on only one of the transparent substrates or the transparent pixel electrode is respectively located on the two transparent substrates, but the transparent pixel electrode on the first substrate is spaced apart from the transparent pixel electrode on the second substrate, the height of the transparent pixel electrode The transparent pixel electrode can be set to be relatively large; when the transparent pixel electrodes are respectively disposed on the two transparent substrates, but the transparent pixel electrodes on the first substrate are disposed opposite to the transparent pixel electrodes on the second substrate, the height of the transparent pixel electrodes can be set. smaller.
进一步地， 位于同一透明基板上的所述透明像素电极之间的间隔可以为 10 100画。 Further, the interval between the transparent pixel electrodes on the same transparent substrate may be 10 100.
进一步地， 透明像素电极的宽度可以为 3-10um。 Further, the width of the transparent pixel electrode may be 3-10 um.
本发明实施例还提供了一种显示装置， 包括上述电致变色显示面板。 其 中， 所包括的电致变色显示面板的结构以及工作原理同上述实施例， 在此不 再赘述。 另外， 显示装置其他部分的结构可以参考现有技术， 对此本文不再 详细描述。 该显示装置可以为： 电子纸、 电视、 显示器、 数码相框、 手机、 平板电脑等具有任何显示功能的产品或部件。 The embodiment of the invention further provides a display device comprising the above electrochromic display panel. The structure and working principle of the electrochromic display panel included in the above are the same as those in the above embodiment, and will not be described again. In addition, the structure of other parts of the display device can be referred to the prior art, and will not be described in detail herein. The display device can be: a product or a component having any display function such as an electronic paper, a television, a display, a digital photo frame, a mobile phone, a tablet, or the like.
本发明实施例还提供了一种上述电致变色显示面板的制备方法， 包括如 下步骤： The embodiment of the invention further provides a method for preparing the above electrochromic display panel, comprising the following steps:
提供两个透明基板； Providing two transparent substrates;
在至少一个所述透明基板上形成具有预设高度的多个间隔排列的透明像 素电极； Forming a plurality of spaced-apart transparent pixel electrodes having a predetermined height on at least one of the transparent substrates;
在其中一个形成有透明像素电极的透明基板上沉积液体电致变色材料； 在沉积有液体电致变色材料的透明基板上滴注电解液形成电解质层； 在另一个透明基板上形成封框胶； Depositing a liquid electrochromic material on one of the transparent substrates on which the transparent pixel electrodes are formed; injecting the electrolyte on the transparent substrate on which the liquid electrochromic material is deposited to form an electrolyte layer; forming a sealant on the other transparent substrate;
将两个透明基板进行对盒， 固化封框胶， 获得电致变色显示面板。 The two transparent substrates are paired, and the sealant is cured to obtain an electrochromic display panel.
迸一步地， 在至少一个所述透明基板上形成具有预设高度的多个间隔排 列的透明像素电极的步骤包括：
在至少一个所述透明基板上溅射透明导电材料形成透明导电层， 透明导 电层的高度可以为 i。5um， 其中透明导电材料可以选用 ITO ( Iiidmm Tin Oxides, 铟锡氧化物） 或者 IGZO ( In Ga Zn- 0 , 铟镓锌氧化物）； Further, the step of forming a plurality of spaced-apart transparent pixel electrodes having a predetermined height on at least one of the transparent substrates comprises: A transparent conductive material is sputtered on at least one of the transparent substrates to form a transparent conductive layer, and the transparent conductive layer may have a height i. 5um, wherein the transparent conductive material may be ITO (Iiidmm Tin Oxides, indium tin oxide) or IGZO (In Ga Zn- 0 , indium gallium zinc oxide);
通过构图工艺利用所述透明导电层形成具有预设高度的多个间隔排列的 透明像素电极， 透明像素电极的高度可以为 0.8- lum。 The transparent conductive layer is used to form a plurality of spaced-apart transparent pixel electrodes having a predetermined height by a patterning process, and the height of the transparent pixel electrode may be 0.8-lum.
在形成透明像素电极时， 可以只在其中一个透明基板上形成具有预设高 度的多个间隔排列的透明像素电极； 也可以在两个透明基板上分别形成具有 预设高度的多个间隔排列的透明像素电极。 在迸行对盒^, 两个透明基板上 的透明像素电极可以一一相对设置， 也可以间隔设置。 When the transparent pixel electrode is formed, a plurality of spaced-apart transparent pixel electrodes having a predetermined height may be formed on only one of the transparent substrates; or a plurality of spaced-apart intervals having a predetermined height may be respectively formed on the two transparent substrates. Transparent pixel electrode. In the pair of boxes, the transparent pixel electrodes on the two transparent substrates may be disposed one by one or may be spaced apart.
迸一步地， 在其中一个形成有透明像素电极的透明基板上沉积液体电致 变色材料的步骤包括： Further, the step of depositing the liquid electrochromic material on one of the transparent substrates on which the transparent pixel electrodes are formed includes:
通过电化学法在其中一个形成有透明像素电极的透明基板上沉积液体电 Depositing liquid electricity on a transparent substrate on which one of the transparent pixel electrodes is formed by electrochemical method
迸一步地， 所述液体电致变色材料还可以采用滴入方法形成在透明基板 上， 所述滴入方法可以通过滴注 ODF (One Drop Filling) 方式涂布在电致变 色区域或者通过中央滴注配合旋转涂布的方式涂布在电致变色区域， 还可以 通过狭缝滴注配合旋转涂布的方式涂布在电致变色区域。 Further, the liquid electrochromic material may also be formed on a transparent substrate by a dropping method, and the dropping method may be applied to the electrochromic region by a drop-in ODF (One Drop Filling) method or through a central drop. The coating is applied to the electrochromic region in a manner of spin coating, and may be applied to the electrochromic region by slit casting and spin coating.
其中，所述封框胶可以为光固化封框胶、热固化封框胶或混合封框胶（例 如先进行光固化后迸行热固化的封框胶），在对封框胶进行固化时将根据封框 胶的种类选择对应的固化方式。 The frame sealant may be a light-cured frame sealant, a heat-cured frame sealant or a mixed frame sealant (for example, a frame sealant which is first cured by photocuring), and when the frame sealant is cured. The corresponding curing method will be selected according to the type of sealant.
本发明制备的电致变色显示面板中， 透明基板上设有具有一定高度的透 明像素电极， 能够在一定程度上阻挡液体电致变色材料的流动， 使得液体电 致变色材料在电致变色显示面板处于任意空间位置时不易发生流动， 使具有 较大盒厚的电致变色显示面板具有较好的电致变色效果， 从而增加显示装置 的透过率和显示均一性。 In the electrochromic display panel prepared by the invention, a transparent pixel electrode having a certain height is disposed on the transparent substrate, which can block the flow of the liquid electrochromic material to a certain extent, so that the liquid electrochromic material is in the electrochromic display panel. When it is in any spatial position, the flow is less likely to occur, so that the electrochromic display panel having a larger cell thickness has a better electrochromic effect, thereby increasing the transmittance and display uniformity of the display device.
下面结合具体的实施例对本发明的电致变色显示面板进行详细介绍： 实施例一 The electrochromic display panel of the present invention will be described in detail below with reference to specific embodiments: Embodiment 1
如图 2所示， 本实施例的电致变色显示面板包括相对设置的第一基板 1 和第二基板 4, 第一基板 1和第二基板 4可以为玻璃基板或者其他透明基板。
在第二基板 4上形成有具有一定高度的多个间隔排列的透明像素电极 3， 电 致变色显示面板还包括位于两个透明基板之间的液体电致变色材料 5和电解 质层 2。 As shown in FIG. 2, the electrochromic display panel of the present embodiment includes a first substrate 1 and a second substrate 4 disposed opposite to each other, and the first substrate 1 and the second substrate 4 may be a glass substrate or other transparent substrate. A plurality of spaced apart transparent pixel electrodes 3 having a certain height are formed on the second substrate 4, and the electrochromic display panel further includes a liquid electrochromic material 5 and an electrolyte layer 2 between the two transparent substrates.
如图 1所示， 在进行显示^, 相邻的透明像素电极 3的极性相反， 在相 邻的透明像素电极之间形成电场， 液体电致变色材料 5在电场作用下发生氧 化还原反应， 颜色发生变化， 如图 3所示， 在透明像素电极之间形成显色区 域 6和不显色区域 7。 其中， 通过控制施加在透明像素电极上的电压可以改 变电场的大小， 认而控制颜色的变化， 完成显示。 As shown in FIG. 1, in the display, the adjacent transparent pixel electrodes 3 have opposite polarities, and an electric field is formed between adjacent transparent pixel electrodes, and the liquid electrochromic material 5 undergoes an oxidation-reduction reaction under the action of an electric field. The color changes, and as shown in Fig. 3, a color developing region 6 and a non-coloring region 7 are formed between the transparent pixel electrodes. Here, by controlling the voltage applied to the transparent pixel electrode, the magnitude of the electric field can be changed, and the change in color can be controlled to complete the display.
由于在第二基板上设有具有一定高度的透明像素电极， 能够在一定程度 上阻挡液体电致变色材料的流动， 使得液体电致变色材料在电致变色显示面 板处于任意空间位置时不易发生流动， 使电致变色显示面板具有较好的电致 变色效果， 从而增加显示装置的透过率和显示均一性。 如图 4所示， 本实施例的电致变色显示面板包括相对设置的第一基板 1 和第二基板 4， 第一基板 1和第二基板 4可以为玻璃基板或者其他透明基板。 在第一基板 1和第二基板 4上分别形成有具有一定高度的多个间隔排列的透 明像素电极 3， 第一基板 1和第二基板 4上的透明像素电极 3—一相对设置。 电致变色显示面板还包括位于两个透明基板之间的液体电致变色材料 5和电 解质层 2。 Since the transparent pixel electrode having a certain height is disposed on the second substrate, the flow of the liquid electrochromic material can be blocked to some extent, so that the liquid electrochromic material is less likely to flow when the electrochromic display panel is in any spatial position. The electrochromic display panel has a better electrochromic effect, thereby increasing the transmittance and display uniformity of the display device. As shown in FIG. 4, the electrochromic display panel of the present embodiment includes a first substrate 1 and a second substrate 4 disposed opposite to each other, and the first substrate 1 and the second substrate 4 may be a glass substrate or other transparent substrate. A plurality of transparent pixel electrodes 3 arranged at a certain height are formed on the first substrate 1 and the second substrate 4, respectively, and the transparent pixel electrodes 3 on the first substrate 1 and the second substrate 4 are disposed opposite each other. The electrochromic display panel further includes a liquid electrochromic material 5 and an electrolyte layer 2 between the two transparent substrates.
如图 1所示， 在进行显示时， 相邻的透明像素电极 3的极性相反， 具体 地， 同一透明基板上相邻的透明像素电极 3的极性相反， 不同透明基板上相 对的透明像素电极 3的极性相 。 这样可以在相邻的透明像素电极之间形成 电场， 液体电致变色材料 5在电场作 ^下发生氧化还原反应， 颜色发生变化， 在透明像素电极之间形成显色区域和不显色区域。 其中， 通过控制施加在透 明像素电极上的电压可以改变电场的大小， 从而控制颜色的变化， 完成显示。 As shown in FIG. 1, when the display is performed, the polarities of adjacent transparent pixel electrodes 3 are opposite. Specifically, the polarities of adjacent transparent pixel electrodes 3 on the same transparent substrate are opposite, and the opposite transparent pixels on different transparent substrates are The polar phase of the electrode 3. Thus, an electric field can be formed between adjacent transparent pixel electrodes, and the liquid electrochromic material 5 undergoes a redox reaction under the electric field, and the color changes, forming a color developing region and a non-coloring region between the transparent pixel electrodes. Among them, by controlling the voltage applied to the transparent pixel electrode, the magnitude of the electric field can be changed, thereby controlling the change in color and completing the display.
由于在第一基板和第二基板上设有具有一定高度的透明像素电极， 能够 在一定程度上阻挡液体电致变色材料的流动， 使得液体电致变色材料在电致 变色显示面板处于任意空间位置时不易发生流动， 使电致变色显示面板具有
如图 5所示， 本实施例的电致变色显示面板包括相对设置的第一基板 1 和第二基板 4, 第一基板 1和第二基板 4可以为玻璃基板或者其他透明基板。 在第一基板 1和第二基板 4上分别形成有具有一定高度的多个间隔排列的透 明像素电极 3， 第一基板 1和第二基板 4上的透明像素电极间隔设置。 优选 地， 第一基板 1上的透明像素电极位于第二基板 4上的相邻的两个透明像素 电极的中间， 第二基板 4上的透明像素电极位于第一基板 1上的相邻的两个 透明像素电极的中间。 电致变色显示面板还包括位于两个透明基板之间的液 体电致变色材料 5和电解质层 2。 Since the transparent pixel electrode having a certain height is disposed on the first substrate and the second substrate, the flow of the liquid electrochromic material can be blocked to some extent, so that the liquid electrochromic material is in any spatial position on the electrochromic display panel. It is not easy to flow, so that the electrochromic display panel has As shown in FIG. 5, the electrochromic display panel of the present embodiment includes a first substrate 1 and a second substrate 4 disposed opposite to each other, and the first substrate 1 and the second substrate 4 may be a glass substrate or other transparent substrate. A plurality of transparent pixel electrodes 3 arranged at a certain height are formed on the first substrate 1 and the second substrate 4, and transparent pixel electrodes on the first substrate 1 and the second substrate 4 are spaced apart from each other. Preferably, the transparent pixel electrode on the first substrate 1 is located in the middle of the adjacent two transparent pixel electrodes on the second substrate 4, and the transparent pixel electrodes on the second substrate 4 are located on the adjacent two on the first substrate 1. The middle of a transparent pixel electrode. The electrochromic display panel further includes a liquid electrochromic material 5 and an electrolyte layer 2 between the two transparent substrates.
如图 1所示， 在进行显示日寸， 相邻的透明像素电极 3的极性相反， 具体 地， 第一基板 1上的透明像素电极与第二基板 4上的相邻的两个透明像素电 极的极性相反， 第二基板 4上的透明像素电极与第一基板 1上的相邻的两个 透明像素电极的极性相反。 这样可以在相邻的透明像素电极之间形成电场， 液体电致变色材料 5在电场作用下发生氧化还原反应， 颜色发生变化， 在透 明像素电极之间形成显色区域和不显色区域。 其中， 通过控制施加在透明像 素电极上的电压可以改变电场的大小， 从而控制颜色的变化， 完成显示。 As shown in FIG. 1 , the polarity of the adjacent transparent pixel electrodes 3 is opposite when the display day is displayed, specifically, the transparent pixel electrodes on the first substrate 1 and the adjacent two transparent pixels on the second substrate 4 The polarities of the electrodes are opposite, and the transparent pixel electrodes on the second substrate 4 are opposite in polarity to the adjacent two transparent pixel electrodes on the first substrate 1. Thus, an electric field can be formed between adjacent transparent pixel electrodes, and the liquid electrochromic material 5 undergoes a redox reaction under the action of an electric field, and the color changes to form a color developing region and a non-color developing region between the transparent pixel electrodes. Here, by controlling the voltage applied to the transparent pixel electrode, the magnitude of the electric field can be changed, thereby controlling the change in color and completing the display.
由于在第一基板和第二基板上设有具有一定高度的透明像素电极， 能够 在一定程度上阻挡液体电致变色材料的流动， 使得液体电致变色材料在电致 变色显示面板处于任意空间位置时不易发生流动， 使电致变色显示面板具有 较好的电致变色效果， 从而增加显示装置的透过率和显示均一性。 Since the transparent pixel electrode having a certain height is disposed on the first substrate and the second substrate, the flow of the liquid electrochromic material can be blocked to some extent, so that the liquid electrochromic material is in any spatial position on the electrochromic display panel. When the flow is not easy to occur, the electrochromic display panel has a better electrochromic effect, thereby increasing the transmittance and display uniformity of the display device.
在本发明中， 构图工艺， 可只包括光刻工艺， 或, 包括光刻工艺以及刻 蚀步骤， 同时还可以包括打印、 喷墨等其他用于形成预定图形的工艺； 光刻 工艺， 是指包括成膜、 曝光、 显影等工艺过程的利用光刻胶、 掩模板、 曝光 机等形成图形的工艺。 可根据本发明中所形成的结构选择相应的构图工艺。 In the present invention, the patterning process may include only a photolithography process, or may include a photolithography process and an etching process, and may also include other processes for forming a predetermined pattern, such as printing, inkjet, etc.; A process of forming a pattern using a photoresist, a mask, an exposure machine, or the like, including a process of film formation, exposure, development, and the like. The corresponding patterning process can be selected in accordance with the structure formed in the present invention.
以上所述仅是本发明的优选实施方式， 应当指出， 对于本技术领域的普 通技术人员来说， 在不脱离本发明所述原理的前提下， 还可以作出若干改迸 和润饰， 这些改进和润饰也应视为本发明的保护范園。
The above description is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make several modifications and refinements without departing from the principles of the present invention. Retouching should also be regarded as a protection park for the present invention.
Claims
L 一种电致变色显示面板， 其特征在于， 包括： An electrochromic display panel, comprising:
相对设置的两个透明基板； Two transparent substrates disposed opposite each other;
设置在至少一个所述透明基板上的、 具有预设高度的多个间隔排列的透 明像素电极； a plurality of spaced apart transparent pixel electrodes having a predetermined height disposed on at least one of the transparent substrates;
位于两个透明基板之间的液体电致变色材料和电解质层； a liquid electrochromic material and an electrolyte layer between the two transparent substrates;
其中， 在所述电致变色显示面板进行显示时， 相邻的透明像素电极的极 性相反。 Wherein, when the electrochromic display panel is displayed, the polarities of adjacent transparent pixel electrodes are opposite.
2.根据权利要求 1所述的电致变色显示面板， 其特征在于， 所述两个透 明基板分别为第一基板和第二基板， The electrochromic display panel according to claim 1, wherein the two transparent substrates are a first substrate and a second substrate, respectively.
其中， 所述透明像素电极位于第一基板上； 或 Wherein the transparent pixel electrode is located on the first substrate; or
所述透明像素电极位于第二基板上； 或 The transparent pixel electrode is located on the second substrate; or
所述透明像素电极分别位于第一基板和第二基板上， 所述第一基板上的 透明像素电极与所述第二基板上的透明像素电极一一相对设置； 或 The transparent pixel electrodes are respectively disposed on the first substrate and the second substrate, and the transparent pixel electrodes on the first substrate are disposed opposite to the transparent pixel electrodes on the second substrate; or
所述透明像素电极分别位于第一基板和第二基板上， 所述第一基板上的 透明像素电极与所述第二基板上的透明像素电极间隔设置。 The transparent pixel electrodes are respectively disposed on the first substrate and the second substrate, and the transparent pixel electrodes on the first substrate are spaced apart from the transparent pixel electrodes on the second substrate.
3.根据权利要求 1或 2所述的电致变色显示面板， 其特征在于， 所述液 体电致变色材料位于多个所述透明像素电极之间。 The electrochromic display panel according to claim 1 or 2, wherein the liquid electrochromic material is located between the plurality of transparent pixel electrodes.
4.根据权利要求 2所述的电致变色显示面板， 其特征在于， 所述第一基 板与第二基板之间的距离为 2-3um， 所述透明像素电极的高度为 0。8- l um。 The electrochromic display panel according to claim 2, wherein a distance between the first substrate and the second substrate is 2-3 um, and a height of the transparent pixel electrode is 0. 8-l Um.
5.根据权利要求 1-4任一项所述的电致变色显示面板， 其特征在于， 位 于 一透明基板上的所述透明像素电极之间的间隔为 10- 100um。 The electrochromic display panel according to any one of claims 1 to 4, wherein an interval between the transparent pixel electrodes on a transparent substrate is 10-100 um.
6.根据权利要求 1-4任一项所述的电致变色显示面板， 其特征在于， 所 述透明像素电极的宽度为 3- 10um。 The electrochromic display panel according to any one of claims 1 to 4, wherein the transparent pixel electrode has a width of 3 to 10 μm.
7. —种显示装置， 其特征在于， 包括如权利要求 1-6中任一项所述的电 致变色显示面板。 A display device, comprising the electrochromic display panel according to any one of claims 1 to 6.
8. 一种权利要求 1-6中任一项所述的电致变色显示面板的制备方法， 其
特征在于， 包括如下步骤： A method of producing an electrochromic display panel according to any one of claims 1 to 6, wherein The feature is that it includes the following steps:
提供两个透明基板； Providing two transparent substrates;
在至少一个所述透明基板上形成具有预设高度的多个间隔排列的透明像 素电极； Forming a plurality of spaced-apart transparent pixel electrodes having a predetermined height on at least one of the transparent substrates;
在其中一个形成有透明像素电极的透明基板上沉积液体电致变色材料； 在沉积有液体电致变色材料的透明基板上滴注电解液形成电解质层； 在另一个透明基板上形成封框胶； Depositing a liquid electrochromic material on one of the transparent substrates on which the transparent pixel electrodes are formed; injecting the electrolyte on the transparent substrate on which the liquid electrochromic material is deposited to form an electrolyte layer; forming a sealant on the other transparent substrate;
将两个透明基板进行对盒， 固化封框胶， 获得电致变色显示面板。 The two transparent substrates are paired, and the sealant is cured to obtain an electrochromic display panel.
9. 根据权利要求 8所述的电致变色显示面板的制备方法， 其特征在于， 所述在至少一个所述透明基板上形成具有预设高度的多个间隔排列的透明像 素电极的歩骤包括： The method for fabricating an electrochromic display panel according to claim 8, wherein the step of forming a plurality of spaced-apart transparent pixel electrodes having a predetermined height on at least one of the transparent substrates comprises :
在至少一个所述透明基板上溅射透明导电材料形成透明导电层； 通过构图工艺利用所述透明导电层形成具有预设高度的多个间隔排列的 透明像素电极。 A transparent conductive material is sputtered on at least one of the transparent substrates to form a transparent conductive layer; a plurality of spaced apart transparent pixel electrodes having a predetermined height are formed by the patterning process using the transparent conductive layer.
10. 根据权利要求 8所述的电致变色显示面板的制备方法， 其特征在于, 所述在其中一个形成有透明像素电极的透明基板上沉积液体电致变色材料的 歩骤包括： The method for preparing an electrochromic display panel according to claim 8, wherein the depositing the liquid electrochromic material on the transparent substrate on which one of the transparent pixel electrodes is formed comprises:
通过电化学法在其中一个形成有透明像素电极的透明基板上沉积液体电
Depositing liquid electricity on a transparent substrate on which one of the transparent pixel electrodes is formed by electrochemical method
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310314132.7A CN103399443B (en) | 2013-07-24 | 2013-07-24 | Electrochromic display panel and preparation method thereof, display device |
| CN201310314132.7 | 2013-07-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2015010362A1 true WO2015010362A1 (en) | 2015-01-29 |
Family
ID=49563091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2013/084060 WO2015010362A1 (en) | 2013-07-24 | 2013-09-24 | Electrochromic display panel and preparation method thereof, and display device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103399443B (en) |
| WO (1) | WO2015010362A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108681171A (en) * | 2018-05-23 | 2018-10-19 | 广州奥翼电子科技股份有限公司 | Optical element, display device and electronic equipment |
| KR102091612B1 (en) * | 2019-05-24 | 2020-03-20 | (주)오리온엔이에스 | Electrochromic device with enhanced discoloration rate and method of fabricating the same |
| CN113820898B (en) * | 2021-09-27 | 2024-02-02 | 苏州清越光电科技股份有限公司 | Electrochromic panel and preparation method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1496492A (en) * | 2001-03-07 | 2004-05-12 | 1 | Electrochromic device |
| CN101116030A (en) * | 2005-02-09 | 2008-01-30 | 皇家飞利浦电子股份有限公司 | Display device with solid redox centres |
| CN101116029A (en) * | 2005-02-09 | 2008-01-30 | 皇家飞利浦电子股份有限公司 | Display device with water-based electrolyte |
| JP2010224240A (en) * | 2009-03-24 | 2010-10-07 | Kuraray Co Ltd | Electrochromic display element and method for manufacturing the same |
| CN102540612A (en) * | 2010-12-31 | 2012-07-04 | 京东方科技集团股份有限公司 | Manufacturing method for electrochromic device and electrochromic device |
| CN102854689A (en) * | 2012-08-17 | 2013-01-02 | 京东方科技集团股份有限公司 | Electrochromic display device and fabrication method thereof |
| CN102854688A (en) * | 2012-09-03 | 2013-01-02 | 京东方科技集团股份有限公司 | Electrochromic display device and preparation method thereof |
| CN103033996A (en) * | 2012-12-14 | 2013-04-10 | 京东方科技集团股份有限公司 | Active grating, manufacturing method thereof, display device and active shutter glasses |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5387751A (en) * | 1977-01-12 | 1978-08-02 | Seiko Epson Corp | Electrochromic display body |
| JP2506312Y2 (en) * | 1989-10-31 | 1996-08-07 | 豊田合成株式会社 | Electrochromic device |
-
2013
- 2013-07-24 CN CN201310314132.7A patent/CN103399443B/en active Active
- 2013-09-24 WO PCT/CN2013/084060 patent/WO2015010362A1/en active Application Filing
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1496492A (en) * | 2001-03-07 | 2004-05-12 | 1 | Electrochromic device |
| CN101116030A (en) * | 2005-02-09 | 2008-01-30 | 皇家飞利浦电子股份有限公司 | Display device with solid redox centres |
| CN101116029A (en) * | 2005-02-09 | 2008-01-30 | 皇家飞利浦电子股份有限公司 | Display device with water-based electrolyte |
| JP2010224240A (en) * | 2009-03-24 | 2010-10-07 | Kuraray Co Ltd | Electrochromic display element and method for manufacturing the same |
| CN102540612A (en) * | 2010-12-31 | 2012-07-04 | 京东方科技集团股份有限公司 | Manufacturing method for electrochromic device and electrochromic device |
| CN102854689A (en) * | 2012-08-17 | 2013-01-02 | 京东方科技集团股份有限公司 | Electrochromic display device and fabrication method thereof |
| CN102854688A (en) * | 2012-09-03 | 2013-01-02 | 京东方科技集团股份有限公司 | Electrochromic display device and preparation method thereof |
| CN103033996A (en) * | 2012-12-14 | 2013-04-10 | 京东方科技集团股份有限公司 | Active grating, manufacturing method thereof, display device and active shutter glasses |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103399443A (en) | 2013-11-20 |
| CN103399443B (en) | 2016-03-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107644895B (en) | Organic light-emitting display panel, preparation method thereof, driving method thereof and display device | |
| EP2713204A1 (en) | Electrochromic color filter substrate, method of fabricating the same, and LCD panel comprising the same | |
| CN102540612B (en) | Manufacturing method for electrochromic device and electrochromic device | |
| JP4638885B2 (en) | Display panel and manufacturing method thereof | |
| US10295713B2 (en) | Color filter substrate, preparing method thereof, and display device | |
| CN102707528B (en) | Array base palte and preparation method thereof, display panels and method of work thereof | |
| JP2013524293A (en) | Privacy protection filter and manufacturing method thereof | |
| WO2014206031A1 (en) | Display panel, manufacturing method of same, and display device comprising same | |
| WO2017128577A1 (en) | Display panel and manufacturing method thereof | |
| JP6049111B2 (en) | Organic thin film transistor array substrate, method for manufacturing the same, and display device | |
| CN103869526B (en) | Display substrate, manufacturing method thereof, display panel and display device | |
| CN103838044B (en) | Substrate and its manufacture method, display device | |
| CN106950740A (en) | Display panel, display and the method for manufacturing display panel | |
| US9720275B2 (en) | Display device, color filter and manufacturing method thereof | |
| CN103744205B (en) | Color membrane substrates and preparation method thereof, display floater and liquid crystal indicator | |
| CN105652508A (en) | Fabrication method of color-film substrate and fabricated color-film substrate | |
| KR101353566B1 (en) | Method for manufacturing electrophoretic display device | |
| CN102591072B (en) | A kind of liquid crystal panel, liquid crystal display and manufacture method thereof | |
| WO2015010362A1 (en) | Electrochromic display panel and preparation method thereof, and display device | |
| CN101960369B (en) | Display panel, array substrate, color filter substrate and display panel manufacturing method | |
| CN102809847B (en) | Color filter, liquid crystal display panel and display device | |
| CN103018978B (en) | A kind of liquid crystal panel and display device | |
| US8274636B2 (en) | Method for forming spacers on substrate | |
| CN106773350A (en) | Liquid crystal display panel and its manufacture method | |
| JP4041122B2 (en) | Liquid crystal display device and manufacturing method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 13890173 Country of ref document: EP Kind code of ref document: A1 |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| 32PN | Ep: public notification in the ep bulletin as address of the adressee cannot be established |
Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 21.06.2016) |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 13890173 Country of ref document: EP Kind code of ref document: A1 |