KR20190046399A - Electro-chromic device - Google Patents

Abstract

The present invention relates to an electro-chromic device. The present invention comprises: a step of forming a discoloration substance with a mixture of a reduction discoloration substance and an acidic discoloration substance indicating a plurality of colors; a step of forming a discoloration substance layer in a structure in which a plurality of layers formed with the reduction discoloration substance or acidic discoloration substance are stacked; and a step of forming a discoloration substance layer with a mixture of the reduction discoloration substance or acidic discoloration substance indicating a plurality of colors. Thus, based on various types of subtractive color mixture mechanisms indicated as the reduction discoloration substance and the acidic discoloration substance are mutually linked, a device is induced to make more various self-expression colors and, eventually, a producer can effectively have advantages of improving product competitiveness while maximizing the aesthetic function of the device without particular difficulty.

Description

[0001] Electrochromic device [0002]

The present invention relates to an electrochromic device, and more particularly, to a process for forming a coloring material by a mixture of a reducing coloring material and an oxidizing coloring material capable of expressing a plurality of colors, A step in which a plurality of layers formed of a red coloring material or an oxidative coloring material are stacked, and a step of forming a coloring material layer as a mixture of a red coloring material or an oxidizing coloring material capable of expressing a plurality of colors, , Thereby inducing a more colorful color representation of the self-expression on the device side based on various types of subtractive color mixture mechanisms represented by mutually linked reduction coloring materials and oxidative coloring materials Thus, in the end, on the producer side, without any difficulty, maximizing the aesthetic function of the device, It relates to an electrochromic device that can guide so that you can effectively enjoy the benefits that enhance the product competitiveness.

In general, an electrochromic device is an element whose color changes due to current flow when an electric field is applied. Recently, the electrochromic device has been widely used for various applications such as smart windows, mirrors, displays, and the like.

For example, Korean Patent Laid-Open No. 10-2014-3783 (titled self-charging type electrochromic device having a silicon solar cell) (published October 1, 2014), Korean Patent Laid-open No. 10-2014-51165 (Electrochromic device device) (Published Apr. 30, 2014), Korean Patent Laid-Open No. 10-2014-132025 (Name: Motor vehicle sunroof using electrochromic device and method of supplying electricity thereto) Discloses an example of an electrochromic device according to a conventional technique in more detail.

1 to 3, the electrochromic device includes a solution type electrochromic device 10, a battery-like type electrochromic device 20, , A hybrid type electrochromic device 30, and the like.

1, the solution type electrochromic device 10 includes a first substrate 11 having a first transparent electrode 12, a second substrate 11 having a second transparent electrode 14, (13) defined between the first substrate (11), the first substrate (11), and the second substrate (15) and defining the electrolyte containing space, an electrolyte solution filled in the electrolyte containing space defined by the partition 16, a coloring material 17 mixed in the electrolyte solution 16, and the like are systematically combined. In this case, the color discoloration material 17 is made of one kind of material exhibiting a specific color.

Under this situation, a positive voltage and a reverse voltage necessary for the coloring and reduction of the color-changing material 17 are applied to the electrochromic device 10 side on the element driving circuit (not shown) side electrically connected to the electrochromic device 10, So that the electrochromic device 10 is driven.

2, the organic electrochromic device 20 includes a first substrate 21 having a first transparent electrode 22, a second substrate 21 having a second transparent electrode 24, (23) defined between the first substrate (21), the first substrate (21), and the second substrate (25) and defining the electrolyte containing space, an electrolyte solution filled in the electrolyte containing space defined by the partition The first coloring material layer 27 disposed on the first transparent electrode 22 and the second coloring material layer 28 disposed on the second transparent electrode 24 are systematically combined I get drunk. In this case, the first color discoloration layer 27, the second color discoloration layer 28, and the like are made of one kind of material exhibiting a specific color.

Under this situation, the discoloration of the first discoloration layer 27, the second discoloration layer 28, and the like on the side of the electrochromic device 20 on the element drive circuit (not shown) side electrically connected to the electrochromic element 20 And applies a constant voltage and a reverse voltage necessary for the reduction, thereby driving the electrochromic device 20.

3, the hybrid type electrochromic device 30 includes a first substrate 31 having a first transparent electrode 32, a second substrate 31 having a second transparent electrode 34, A partition wall 33 defined between the substrate 35, the first substrate 31, and the second substrate 35 to define an electrolyte containing space; an electrolyte solution filled in the electrolyte containing space defined by the partition wall 33; A coloring material layer 38 disposed on the first transparent electrode 32 and a coloring material 37 mixed in the electrolyte solution 36 are systematically combined. In this case, the color-change material 37, the color-change material layer 38, and the like are made of one kind of material showing a specific color.

In this situation, on the side of the device driving circuit (not shown) electrically connected to the electrochromic device 30, a static voltage (voltage) necessary for discoloration and reduction of the coloring material 37, the coloring material layer 38, And applies a reverse voltage to the electrochromic device 30 to drive the electrochromic device 30.

In recent years, the aesthetic function of the electrochromic devices 10, 20, 30 has become a major variable for determining the quality of the electrochromic devices 10, 20, 30, A lot of attention has been focused on how to implement various colors of expression.

However, in spite of this situation, as described above, the coloring materials 17 and 37, the coloring material layers 27, 28 and 38 and the like provided in the conventional electrochromic devices 10, The color of the electrochromic devices 10, 20, and 30 is difficult to realize various colors of the electrochromic devices 10, 20, and 30 on the production subject side unless a separate measure is taken Inevitably, we were forced to take the risk of damaging the competitiveness of our products.

Korean Patent Laid-Open No. 10-2014-3783 (titled self-charging type electrochromic device having a silicon solar cell) (published October 1, 2014) Korean Patent Laid-Open No. 10-2014-51165 (entitled "Electrochromic device device") (published on April 30, 2014) Korean Patent Laid-Open No. 10-2014-132025 (name: a vehicle sunroof using an electrochromic device and a method of supplying electricity thereto) (published on Nov. 17, 2014)

Accordingly, it is an object of the present invention to provide a method of forming a coloring material layer from a mixture of a reducing coloring material and an oxidizing coloring material capable of expressing a plurality of colors, A step of forming a coloring material layer with a mixture of a reducing coloring material or an oxidizing coloring material capable of expressing a plurality of colors, and the like can be flexibly taken, On the basis of the subtractive color mixture mechanism represented by a combination of reduced coloring materials and oxidizing coloring materials, it is possible to induce a more colorful color of the self-expression color, , Without any difficulty, maximizes the aesthetic function of the device, while enhancing its product competitiveness And to guide the user to effectively enjoy the present invention.

Other objects of the present invention will become more apparent from the following detailed description and the accompanying drawings.

According to an aspect of the present invention, there is provided a plasma display panel comprising: a first substrate having a first transparent electrode; A second substrate having a second transparent electrode; A barrier rib interposed between the first substrate and the second substrate to define an electrolyte containing space; An electrolyte solution filled in the electrolyte containing space defined by the partition wall; And a coloring material to be mixed with the electrolyte solution, wherein the coloring material is a mixture of a reducing coloring material and an oxidizing coloring material capable of a plurality of color expressions.

According to another aspect of the present invention, there is provided a liquid crystal display comprising: a first substrate having a first transparent electrode; A second substrate having a second transparent electrode; A barrier rib interposed between the first substrate and the second substrate to define an electrolyte containing space; An electrolyte solution filled in the electrolyte containing space defined by the partition wall; A first coloring material layer disposed on the first transparent electrode; And a second color fading material layer disposed on the second transparent electrode layer, wherein the first color fading material layer or the second color fading material layer includes a plurality of layers formed of a reductive coloring material or an oxidative discoloring material capable of expressing a plurality of colors And an electrochromic device comprising a laminated structure.

According to another aspect of the present invention, there is provided a plasma display panel comprising: a first substrate having a first transparent electrode; A second substrate having a second transparent electrode; A barrier rib interposed between the first substrate and the second substrate to define an electrolyte containing space; An electrolyte solution filled in the electrolyte containing space defined by the partition wall; A first coloring material layer disposed on the first transparent electrode; And a second coloring material layer disposed on the second transparent electrode, wherein the first coloring material layer or the second coloring material layer is formed of a mixture of a reducing coloring material or an oxidizing coloring material capable of a plurality of color representations And an electrochromic device.

According to another aspect of the present invention, there is provided a plasma display panel comprising: a first substrate having a first transparent electrode; A second substrate having a second transparent electrode; A barrier rib interposed between the first substrate and the second substrate to define an electrolyte containing space; An electrolyte solution filled in the electrolyte containing space defined by the partition wall; A coloring material to be mixed with the electrolyte solution; And a coloring material layer disposed on the first transparent electrode or the second transparent electrode, wherein the coloring material is composed of a mixture of a reducing coloring material and an oxidizing coloring material capable of expressing a plurality of colors, And a plurality of layers formed of a reducing coloring material or an oxidative coloring material capable of expressing color of the coloring material.

According to another aspect of the present invention, there is provided a plasma display panel comprising: a first substrate having a first transparent electrode; A second substrate having a second transparent electrode; A barrier rib interposed between the first substrate and the second substrate to define an electrolyte containing space; An electrolyte solution filled in the electrolyte containing space defined by the partition wall; A coloring material to be mixed with the electrolyte solution; And a coloring material layer disposed on the first transparent electrode or the second transparent electrode, wherein the coloring material is composed of a mixture of a reducing coloring material and an oxidizing coloring material capable of expressing a plurality of colors, And a mixture of a red coloring material or an oxidative coloring material capable of expressing the color of the electrochromic material.

In the present invention, a coloring material layer is formed by a mixture of a reducing coloring material capable of exhibiting a plurality of colors and an oxidizing discoloration material, A step of forming a coloring material layer with a mixture of a reducing coloring material or an oxidizing coloring material capable of expressing a plurality of colors, and the like can be flexibly taken into consideration. Therefore, in the implementation environment of the present invention, On the device side, it is possible to realize more various colors of self-expression based on various types of subtractive color mixture mechanism which are represented by a combination of reduction coloring materials and oxidative coloring materials. As a result, the producers can enjoy the advantage of improving their product competitiveness while maximizing the aesthetic function of the device without any difficulty.

FIGS. 1 to 3 are conceptual diagrams showing an electrochromic device according to a conventional technique. FIG.
4 and 5 are conceptual illustrations of an electrochromic device according to one embodiment of the present invention.
FIG. 6 and FIG. 7 illustrate conceptually an electrochromic device according to another embodiment of the present invention; FIG.
FIG. 8 and FIG. 9 are conceptual illustrations of an electrochromic device according to another embodiment of the present invention. FIG.

Hereinafter, the electrochromic device according to the present invention will be described in more detail with reference to the accompanying drawings.

4 to 9, each of the electrochromic devices 100, 200, and 300 according to the embodiments of the present invention includes a solution type electrochromic device 100 (FIGS. 4 and 5), a battery- 6 and 7), a hybrid type electrochromic device 300 (Figs. 8 and 9), and the like.

4 and 5, a liquid type electrochromic device 100 according to one embodiment of the present invention includes a first substrate 101 having a first transparent electrode 102, A partition wall 103 defined between the first substrate 101 and the second substrate 105 and defining an electrolyte containing space, a partition wall 103 defined by the partition wall 103, An electrolytic solution 106 filled in the electrolyte containing space, a color-changing material 107 mixed in the electrolyte solution 106, and the like are systematically combined.

In this case, when the first transparent electrode 102 is selected as the working electrode, the second transparent electrode 104 may be selected as the counter electrode, whereas when the first transparent electrode 102 is selected as the counter electrode , And the second transparent electrode 104 may be selected as the working electrode.

Under this situation, a positive voltage and a reverse voltage necessary for the coloring and reduction of the coloring material 107 are applied to the electrochromic device 100 side on the element driving circuit (not shown) side electrically connected to the electrochromic device 100, Thereby driving the electrochromic device 100.

Of course, even in the embodiment of the present invention, the problem of whether or not the device 100 can realize a more colorful representation color can be a very important variable in determining the overall aesthetic quality of the product.

4 and 5, in one embodiment of the present invention, the color fading material 107 is formed of a plurality of red color fading materials 107a, 107c, ..., 107b, 107d, ...).

In this case, the reducing color fading materials 107a, 107c, ... forming the color fading material 107 may be any one or more materials selected from the group consisting of WO ₃ , TiO ₂ , MoO ₃ , V ₂ O ₅ , and Nb ₂ O ₅ And the oxidative discoloring materials 107b, 107d, ... forming the coloring material 107 may include at least one of Li _x CoO ₂ , CoO _x , IrO _x , Ir (OH) _x , (NH ₄ ) Fe [ And at least one material selected from the group consisting of Fe (CN) ₆ ], LiNiO _x , NiO _x , Ni (OH) ₂ , Rh ₂ O ₃ , Li _0.5 Ni _0.5 O and InO ₂ : Sn.

The electrochromic device 100 can be manufactured under such a condition that the coloring material 107 is formed of a mixture of the red coloring materials 107a, 107c, ..., and the oxidizing color materials 107b, 107d, When a voltage necessary for discoloration of the color-changing material 107 is applied on the element driving circuit (not shown) side that is electrically connected to the coloring material 107, the reducing color-change material 107a, 107c, ..., (WO ₃ , TiO ₂ , MoO ₃ , V ₂ O ₅ , Nb ₂ O _5, etc.) are subjected to a reduction reaction to be discolored, and the oxidative discoloration substances 107b, 107d, _{) (Li x CoO 2, CoO} x, IrO x, Ir (OH) x, (NH 4) Fe [Fe (CN) 6], LiNiO x, NiO x, Ni (OH) 2, Rh 2 O 3, Li _{0.5 Ni 0.5 O, InO 2:} Sn , etc.), too, are presented discoloration causing an oxidation reaction, in the end, the side of the electrochromic device 100 is reduced color change material (107a, 107c, ‥‥) ( WO 3, TiO 2, MoO 3 , V ₂ O ₅ , Nb ₂ O _5, etc.), oxidative discoloring materials 107b, 107d, ... (Li _x CoO ₂ , _{CoO x, IrO x, Ir (} OH) x, (NH 4) Fe [Fe (CN) 6], LiNiO x, NiO x, Ni (OH) 2, Rh 2 O 3, Li 0.5 Ni 0.5 O, InO 2 : Sn, etc.), the subintractive color mixture mechanism can be used to embody the self-expression color more variously.

Of course, this way, from the side of electrochromic device 100, reduced color change material (107a, 107c, ‥‥) ( WO 3, TiO 2, MoO 3, V 2 O 5, Nb 2 O 5 , etc.), oxidation color change material ( 107b, 107d, ‥‥) (Li x CoO 2, CoO x, IrO x, Ir (OH) x, (NH 4) Fe [Fe (CN) 6], LiNiO x, NiO x, Ni (OH) 2, Under a situation in which the self-expressing colors are more variously implemented on the basis of various types of subtractive color mixture mechanisms, which are expressed in a mutually linked manner, such as Rh ₂ O ₃ , Li _0.5 Ni _0.5 O, InO ₂ : Sn, It is possible to effectively enjoy the advantage of improving the competitiveness of the product 100 while maximizing the aesthetic function of the device 100 without any difficulty on the side of the producer.

Particularly, in the case where the color discoloring material 107 is formed of a mixture of the red color discoloring materials 107a, 107c, ..., and the oxidative discoloration materials 107b, 107d, ... capable of displaying a plurality of colors under the system of the present invention , The rapid movement of electrons is naturally suppressed. Therefore, on the production subject side, in addition to the foregoing advantages, it is possible to effectively enjoy the additional advantage of controlling the negative reaction.

6, the electrochromic device 200 according to another embodiment of the present invention includes a first substrate 201 having a first transparent electrode 202, a second transparent electrode 204, A partition wall 203 defined between the first substrate 201 and the second substrate 205 to define an electrolyte containing space and an electrolyte containing space 203 defined by the partition 203. [ A first color change material layer 207 disposed on the first transparent electrode 202, a second color change material layer 208 disposed on the second transparent electrode 204, and the like So that they are structured in a systematic manner.

At this time, when the first transparent electrode 202 is selected as the working electrode, the second transparent electrode 204 may be selected as the counter electrode, whereas when the first transparent electrode 202 is selected as the counter electrode The second transparent electrode 204 may be selected as the working electrode.

The first color fading layer 207 and the second color fading layer 208 are formed on the side of the electrochromic device 200 on the side of the element drive circuit (not shown) electrically connected to the electrochromic device 200 under this condition, And applying a positive voltage and a negative voltage necessary for reduction, thereby driving the electrochromic device 200.

Of course, even in another embodiment of the present invention, the problem of whether or not to embody the self-expression color more colorfully on the device 200 side becomes a very important variable in determining the overall aesthetic quality of the product.

6, in another embodiment of the present invention, the first color fading material layer 207 or the second color fading material layer 208 may be formed of a reducing color discoloring substance capable of a plurality of color representations, A plurality of layers 207a, 207b, 207c, 207d (208a, 208b, 208c, 208d) formed of a material are stacked.

In this case as well, the reduction discoloration (reddish color) constituting the layers 207a, 207b, 207c, 207d ... of the first color discoloration material layer 207 or the second color discoloration material layer 208 The material may include any one or more materials selected from the group consisting of WO ₃ , TiO ₂ , MoO ₃ , V ₂ O ₅ and Nb ₂ O ₅ , and the first discoloration material layer 207 or the second discoloration material layer 208) of each layer (207a, 207b, 207c, 207d ‥‥) (208a, 208b, 208c, 208d oxidation color change material of the ‥‥) are _{Li x CoO 2, CoO x,} IrO x, Ir (OH) of _x, (NH ₄ ) Fe [Fe (CN) ₆ ], LiNiO _x , NiO _x , Ni (OH) ₂ , Rh ₂ O ₃ , Li _0.5 Ni _0.5 O and InO ₂ : .

The first color discoloration layer 207 and the second color discoloration layer 208 may be formed of a plurality of layers 207a, 207b, 207c, and 207d formed of a reducing coloring material or an oxidizing discoloring material capable of displaying a plurality of colors, (Not shown), which is electrically connected to the electrochromic device 200, on the side of the first coloring matter layer 207 (not shown) under the situation where the first coloring matter layer 208a, 208b, 208c, 208d, 207b, 207c, 207d (207a, 207b, 207c, 207d) of the first color fading material layer 207 or the second color fading material layer 208 is applied when a voltage necessary for color change of the second color fading layer 208 (WO ₃ , TiO ₂ , MoO ₃ , V ₂ O ₅ , Nb ₂ O _5, etc.) constituting the coloring materials 208a, 208b, 208c, 208d, The oxidation side of each of the layers 207a, 207b, 207c, 207d, ..., 208a, 208b, 208c, 208d ... of the first coloring material layer 207 or the second coloring material layer 208, Substance _{(Li x CoO 2, CoO x} , IrO x, Ir (OH) x, (NH 4) Fe [Fe (CN) 6], LiNiO x, NiO x, Ni (OH) 2, Rh 2 O 3, Li _{0.5 Ni 0.5 O, InO 2:} Sn , etc.), too, are presented discoloration causing an oxidation reaction, side reduced discoloration material end, the electrochromic device _{(200) (WO 3, TiO} 2, MoO 3, V 2 O 5, Nb 2 O _5, etc.), oxidation color change material _{(Li x CoO 2, CoO x} , IrO x, Ir (OH) x, (NH 4) Fe [Fe (CN) 6], LiNiO x, NiO x, Ni (OH) 2 , Rh ₂ O ₃ , Li _0.5 Ni _0.5 O, InO ₂ : Sn, etc.) can be used to realize more various colors of self-expression based on various types of subtractive color mixture mechanism do.

(WO ₃ , TiO ₂ , MoO ₃ , V ₂ O ₅ , Nb ₂ O ₅ and the like), oxidative discoloring materials (Li _x CoO ₂ , CoO _x , and the like) on the side of the electrochromic device 200, (OH) ₂ , Rh ₂ O ₃ , Li _0.5 Ni _0.5 O, InO ₂ : Sn, etc., such as IrO _x , Ir (OH) _x , (NH ₄ ) Fe [Fe (CN) ₆ ], LiNiO _x , NiO _x , Ni ) On the basis of various types of subtractive color mixture mechanisms in which the colors of the self-expressing colors are more variously embodied, it is possible for the producers to carry out the aesthetic function of the device 200 without any difficulty By maximizing it, it will be able to effectively enjoy the advantage of improving its product competitiveness.

Particularly, according to another embodiment of the present invention, the first color discoloration material layer 207 or the second color discoloration material layer 208 is formed of a plurality of layers 207a, 207b, and 207c formed of a reductive coloring material or an oxidative discoloring material capable of displaying a plurality of colors, 207b, 207c, 207d, ...) 208a, 208b, 208c, 208d ... are also stacked, the rapid movement of electrons is naturally suppressed. Therefore, on the production side, It is possible to effectively enjoy the additional advantages that can be achieved.

7, in the present invention, as another method for improving the color rendering function of the electrochromic device 200, a first color fading layer 207 or a second color fading layer 208, 207f, ..., 208e, 208f, ..., a mixture of a red coloring material or an oxidative coloring material capable of expressing a plurality of colors.

Also in this case, the mixture (207e, 207f, ‥‥) ( 208e, 208f, ‥‥) a reduced color change material of the _{WO 3, TiO 2, MoO 3} , V 2 O 5, Nb 2 O 5 are selected from the group consisting of The oxidative discoloring substance that constitutes the mixture 207e, 207f, ..., 208e, 208f, ... may include any one or more of Li _x CoO ₂ , CoO _x , IrO _x , Ir (OH) _x , (NH ₄ ) Fe [Fe (CN) ₆ ], LiNiO _x , NiO _x , Ni (OH) ₂ , Rh ₂ O ₃ , Li _0.5 Ni _0.5 O and InO ₂ : .

The first color fading material layer 207 or the second color fading material layer 208 may be a mixture of red coloring materials or oxidation coloring materials capable of representing a plurality of colors (207e, 207f, ..., 208e, 208f, (Not shown), which is electrically connected to the electrochromic device 200, under the situation where the first coloring material layer 207 and the second coloring material layer 208 are formed on the side of the device driving circuit (WO ₃ , TiO ₂ , MoO ₃ , V ₂ O ₅ , Nb ₂ O ₅ , and the like) constituting the mixture 207e, 207f, (Such as Li _x CoO ₂ , CoO _x , IrO _x , and Ir (OH)), which have formed a mixture 207a, 207f, ..., 208e, 208f, _x , (NH ₄ ) Fe [Fe (CN) ₆ ], LiNiO _x , NiO _x , Ni (OH) ₂ , Rh ₂ O ₃ , Li _0.5 Ni _0.5 O, InO ₂ : Sn, As a result, on the side of the electrochromic device 200, Reduced discoloration substance _{(WO 3, TiO 2, MoO} 3, V 2 O 5, Nb 2 O 5 , etc.), oxidation color change material (Li _x CoO _2, CoO _x, IrO _x, Ir (OH) _x, (NH ₄₎ Various types of decolorizing mechanisms represented by the interconnection of Fe [Fe (CN) ₆ ], LiNiO _x , NiO _x , Ni (OH) ₂ , Rh ₂ O ₃ , Li _0.5 Ni _0.5 O, InO ₂ : (Subtractive Color Mixture Mechanism), it is possible to realize a more colorful representation color.

(WO ₃ , TiO ₂ , MoO ₃ , V ₂ O ₅ , Nb ₂ O ₅ and the like), oxidative discoloring materials (Li _x CoO ₂ , CoO _x , and the like) on the side of the electrochromic device 200, (OH) ₂ , Rh ₂ O ₃ , Li _0.5 Ni _0.5 O, InO ₂ : Sn, etc., such as IrO _x , Ir (OH) _x , (NH ₄ ) Fe [Fe (CN) ₆ ], LiNiO _x , NiO _x , Ni ) On the basis of various types of subtractive color mixture mechanisms in which the colors of the self-expressing colors are more variously embodied, it is possible for the producers to carry out the aesthetic function of the device 200 without any difficulty By maximizing it, it will be able to effectively enjoy the advantage of improving its product competitiveness.

Particularly, under another system of the present invention, the first color fading material layer 207 or the second color fading material layer 208 is a mixture of red coloring materials or oxidation coloring materials capable of representing a plurality of colors (207e, 207f, (208e, 208f, ...), the rapid movement of electrons is naturally suppressed. Therefore, in addition to the above-mentioned advantages on the production subject side, it is possible to effectively enjoy the additional advantage of controlling the negative reaction do.

8, the hybrid electrochromic device 300 according to another embodiment of the present invention includes a first substrate 301 having a first transparent electrode 302, a second transparent electrode 304 A partition wall 303 defined between the first substrate 301 and the second substrate 305 and defining an electrolyte containing space; an electrolyte containing the electrolyte defined by the partition 303; The coloring material layer 308 disposed on the electrolyte solution 306, the first transparent electrode 302 or the second transparent electrode 304 filled in the space, the coloring material 307 mixed in the electrolyte solution 306 (For example, the case where the coloring material layer 308 is disposed on the first transparent electrode 302 is shown in FIG. 8).

At this time, when the first transparent electrode 302 is selected as the working electrode, the second transparent electrode 304 may be selected as the counter electrode, whereas when the first transparent electrode 302 is selected as the counter electrode The second transparent electrode 304 may be selected as the working electrode.

In this situation, on the side of the device driving circuit (not shown) electrically connected to the electrochromic device 300, the electrochromic device 200 is provided with the electrochromic device 200, the electrochromic device 308, the coloring material 307, A voltage and a reverse voltage are applied to the electrochromic device 300 to drive the electrochromic device 300.

Of course, even in another embodiment of the present invention, the problem of whether or not the device 300 can realize a more expressive color is a very important variable in determining the overall aesthetic quality of the product.

8, in another embodiment of the present invention, a coloring material 307 is mixed with a mixture of red coloring materials and oxidizing coloring materials 307a, 307b, ... capable of providing a plurality of colors, And a plurality of layers 208a, 208b, 208c, 208d,... Formed of a red coloring material or an oxidative coloring material capable of expressing a plurality of colors are stacked Action.

In this case as well, the reducing coloring materials constituting the mixture layers 307a, 307b, and the respective layers 208a, 208b, 208c, 208d, etc. are WO ₃ , TiO ₂ , MoO ₃ , V ₂ O ₅ , Nb ₂ O ₅ , and the oxidative discoloring substance which forms the mixture 307a, 307b, ..., each of the layers 208a, 208b, 208c, 208d, etc. may be Li _x CoO ₂ , CoO _x , IrO _x , Ir (OH) _x , (NH ₄ ) Fe [Fe (CN) ₆ ], LiNiO _x , NiO _x , Ni (OH) ₂ , Rh ₂ O ₃ , Li _0.5 Ni _0.5 O, InO ₂ : Sn, and the like.

As described above, the coloring material 307 is formed of a mixture 307a, 307b,... Of a reducing coloring material and an oxidizing coloring material capable of expressing a plurality of colors, and the coloring material layer 308 is formed of a mixture A plurality of layers 208a, 208b, 208c, 208d,... Formed of a red coloring material or an oxidative coloring material are laminated on a substrate 201, The mixture layers 307a, 307b, ..., and the respective layers 208a, 208b, 208c, 208d, ..., and 208d when a voltage necessary for discoloration of the discoloration material layer 308 and the discoloration materials 307, (WO ₃ , TiO ₂ , MoO ₃ , V ₂ O ₅ , Nb ₂ O ₅ and the like) which have been formed into a coloring material are subjected to a reduction reaction and discolored to form mixtures 307a, 307b, layer (208a, 208b, 208c, 208d ‥‥) the oxidation color change material that forms the like _{(Li x CoO 2, CoO x} , IrO x, Ir (OH) x, (NH 4) Fe [Fe (CN) 6] , LiNiO _x , NiO _x , Ni (OH) ₂ , Rh ₂ O ₃ , Li _0.5 Ni _0.5 O and InO ₂ : Sn) also undergo oxidation reaction and become discolored. As a result, on the side of the electrochromic device 200, _{WO 3, TiO 2, MoO 3} , V 2 O 5, Nb 2 O 5 , etc.), oxidation color change material _{(Li x CoO 2, CoO x} , IrO x, Ir (OH) x, (NH 4) Fe [Fe ( CN) ₆ ], LiNiO _x , NiO _x , Ni (OH) ₂ , Rh ₂ O ₃ , Li _0.5 Ni _0.5 O and InO ₂ : Sn) mechanism, it is possible to implement a more colorful representation color.

(WO ₃ , TiO ₂ , MoO ₃ , V ₂ O ₅ , Nb ₂ O ₅ and the like), oxidative discoloring materials (Li _x CoO ₂ , CoO _x , and the like) on the side of the electrochromic device 200, (OH) ₂ , Rh ₂ O ₃ , Li _0.5 Ni _0.5 O, InO ₂ : Sn, etc., such as IrO _x , Ir (OH) _x , (NH ₄ ) Fe [Fe (CN) ₆ ], LiNiO _x , NiO _x , Ni ) On the basis of various types of subtractive color mixture mechanisms in which the colors of the self-expression color are more variously embodied, the production subject side can easily perform the aesthetic function of the element 300 without difficulty By maximizing it, it will be able to effectively enjoy the advantage of improving its product competitiveness.

Particularly, in another embodiment of the present invention, the coloring material 307 is formed of a mixture of the red coloring material and the oxidizing coloring material capable of expressing a plurality of colors (307a, 307b, ...), and the coloring material layer 308 Even when a plurality of layers 208a, 208b, 208c, 208d ... formed of a reducing coloring material or an oxidative discoloring material capable of expressing a plurality of colors are stacked, the rapid movement of electrons is naturally suppressed , On the production side, in addition to the above advantages, it is possible to effectively enjoy the additional advantage of controlling the negative reaction.

9, in the present invention, as another method for improving the color rendering function of the hybrid electrochromic device 300, a coloring material layer 308 may be formed of a reducing coloring material capable of expressing a plurality of colors, (308e, 308f, ...) of the oxidative discoloring substance ".

Even in this case, the reducing coloring material constituting the mixture 308e, 308f, ... may include any one or more materials selected from the group consisting of WO ₃ , TiO ₂ , MoO ₃ , V ₂ O ₅ , and Nb ₂ O ₅ and the mixture discolored oxide material of the (308e, 308f, ‥‥) are _{Li x CoO 2, CoO x,} IrO x, Ir (OH) x, (NH 4) Fe [Fe (CN) 6], LiNiO x, And at least one material selected from the group consisting of NiO _x , Ni (OH) ₂ , Rh ₂ O ₃ , Li _0.5 Ni _0.5 O, and InO ₂ : Sn.

In this way, under the situation where the coloring material layer 308 is formed of a mixture of reducing coloring materials or oxidizing coloring materials 308e, 308f, ... capable of expressing a plurality of colors, the elements electrically connected to the electrochromic device 300 The mixture 307a, 307b, ..., the mixture 308e, 308f, ..., and the mixture 307a, 307b, ..., when a voltage necessary for discoloration of the coloring material 307, the coloring material layer 308, (WO ₃ , TiO ₂ , MoO ₃ , V ₂ O ₅ , Nb ₂ O _5, and the like) which have been formed into a mixture of the mixture 307a, 307b, (308e, 308f, ‥‥) the oxidation color change material (Li _x that forms such as _{CoO 2, CoO x, IrO x} , Ir (OH) x, (NH 4) Fe [Fe (CN) 6], LiNiO x, NiO _x , Ni (OH) ₂ , Rh ₂ O ₃ , Li _0.5 Ni _0.5 O and InO ₂ : Sn) are also oxidized and discolored. As a result, in the electrochromic device 300, ₃ , TiO ₂ , MoO ₃ , V ₂ O ₅ , Nb ₂ O _5, etc.), oxidation color change material _{(Li x CoO 2, CoO x} , IrO x, Ir (OH) x, (NH 4) Fe [Fe (CN) 6], LiNiO x, NiO x, Ni (OH) 2 , Rh ₂ O ₃ , Li _0.5 Ni _0.5 O, InO ₂ : Sn, etc.) can be used to realize more various colors of self-expression based on various types of subtractive color mixture mechanism do.

(WO ₃ , TiO ₂ , MoO ₃ , V ₂ O ₅ , Nb ₂ O _5, etc.), oxidative discoloring materials (Li _x CoO ₂ , CoO _x , (OH) ₂ , Rh ₂ O ₃ , Li _0.5 Ni _0.5 O, InO ₂ : Sn, etc., such as IrO _x , Ir (OH) _x , (NH ₄ ) Fe [Fe (CN) ₆ ], LiNiO _x , NiO _x , Ni ) On the basis of various types of subtractive color mixture mechanisms in which the colors of the self-expressing colors are more variously embodied, it is possible for the producers to carry out the aesthetic function of the device 200 without any difficulty By maximizing it, it will be able to effectively enjoy the advantage of improving its product competitiveness.

Particularly, even in the case where the discoloration material layer 308 is formed of a mixture of reducing discoloration substances or oxidizing discoloration materials capable of expressing a plurality of colors (308e, 308f, ...) under another system of the present invention, Is naturally suppressed, it is possible to effectively enjoy the additional advantage of controlling the negative reaction, in addition to the foregoing advantages, on the production side.

The present invention is not limited to a specific field, and exhibits a generally useful effect in various fields in which the use of an electrochromic device is required.

Although specific embodiments of the present invention have been described and illustrated above, it is to be understood that the present invention may be embodied in many other specific forms without departing from the spirit or essential characteristics thereof.

Such modified embodiments should not be understood individually from the technical idea and viewpoint of the present invention, and such modified embodiments should be included in the appended claims of the present invention.

10, 20, 30, 100, 200, 300: electrochromic device
11, 21, 31, 101, 201, 301:
12, 22, 32, 102, 202, 302:
13, 23, 33, 103, 203,
14, 24, 34, 104, 204, 304:
15, 25, 35, 105, 205, 305:
16, 26, 36, 106, 206, 306: electrolyte solution
17, 27, 107, 307:
27,207: first discoloration material layer
28, 208: second discoloration material layer
38,308: Discoloration layer

Claims (7)

A first substrate having a first transparent electrode;
A second substrate having a second transparent electrode;
A barrier rib interposed between the first substrate and the second substrate to define an electrolyte containing space;
An electrolyte solution filled in the electrolyte containing space defined by the partition wall;
A coloring material mixed in the electrolyte solution,
Wherein the coloring material is a mixture of a reducing coloring material and an oxidizing coloring material capable of expressing a plurality of colors. The coloring material according to claim 1, wherein the reducing coloring material comprises at least one material selected from the group consisting of WO ₃ , TiO ₂ , MoO ₃ , V ₂ O ₅ and Nb ₂ O ₅ , forming a color transfer said oxide material is _{Li x CoO 2, CoO x,} IrO x, Ir (OH) x, (NH 4) Fe [Fe (CN) 6], LiNiO x, NiO x, Ni (OH) 2, Rh ₂ O ₃ , Li _0.5 Ni _0.5 O, InO ₂ : Sn, and the like. A first substrate having a first transparent electrode;
A second substrate having a second transparent electrode;
A barrier rib interposed between the first substrate and the second substrate to define an electrolyte containing space;
An electrolyte solution filled in the electrolyte containing space defined by the partition wall;
A first coloring material layer disposed on the first transparent electrode;
And a second color fading material layer disposed on the second transparent electrode,
Wherein the first color-change material layer or the second color-change material layer has a structure in which a plurality of layers formed of a reductive coloring material or an oxidative discoloration material capable of expressing a plurality of colors are stacked. A first substrate having a first transparent electrode;
A second substrate having a second transparent electrode;
A barrier rib interposed between the first substrate and the second substrate to define an electrolyte containing space;
An electrolyte solution filled in the electrolyte containing space defined by the partition wall;
A first coloring material layer disposed on the first transparent electrode;
And a second color fading material layer disposed on the second transparent electrode,
Wherein the first color-change material layer or the second color-change material layer is composed of a mixture of a reductive coloring material or an oxidative discoloration material capable of expressing a plurality of colors. A first substrate having a first transparent electrode;
A second substrate having a second transparent electrode;
A barrier rib interposed between the first substrate and the second substrate to define an electrolyte containing space;
An electrolyte solution filled in the electrolyte containing space defined by the partition wall;
A coloring material to be mixed with the electrolyte solution;
And a coloring material layer disposed on the first transparent electrode or the second transparent electrode,
The coloring material may be a mixture of a reducing coloring material and an oxidizing coloring material capable of a plurality of color expressions, and the coloring material layer may be a structure in which a plurality of layers formed of a reducing coloring material or an oxidative coloring material, And an electrochromic device. A first substrate having a first transparent electrode;
A second substrate having a second transparent electrode;
A barrier rib interposed between the first substrate and the second substrate to define an electrolyte containing space;
An electrolyte solution filled in the electrolyte containing space defined by the partition wall;
A coloring material to be mixed with the electrolyte solution;
And a coloring material layer disposed on the first transparent electrode or the second transparent electrode,
Wherein the coloring material is a mixture of a reducing coloring material and an oxidizing coloring material capable of a plurality of color expressions and the coloring material layer is a mixture of a reducing coloring material or an oxidizing coloring material capable of a plurality of color expressions Discoloration element. The method of any one of claims 3 to 6, wherein the reducing discoloring material forming the first discoloration material layer, the second discoloration material layer, the discoloration material layer, or the discoloration material is selected from the group consisting of WO ₃ , TiO ₂ , MoO ₃ , V ₂ O ₅ and Nb ₂ O ₅ , and the oxidative discoloring substance constituting the first discoloration substance layer, the second discoloration substance layer, the discoloration substance layer, or the discoloration substance is at least one selected from the group consisting of Li _{x CoO 2, CoO x, IrO} x, Ir (OH) x, (NH 4) Fe [Fe (CN) 6], LiNiO x, NiO x, Ni (OH) 2, Rh 2 O 3, Li 0.5 Ni 0.5 O, InO _2: the electrochromic device comprising the one or more materials selected from the group consisting of Sn.

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