KR100776390B1 - Wall Paper Having Thermochromic Material Layer and Heating Element of Face, and Manufacturing Method Thereof - Google Patents

Abstract

The present invention relates to a wallpaper including a thermochromic material layer and a planar heating element, and a method of manufacturing the same. A thermochromic material layer (for example, a liquid crystal) that changes color depending on temperature by controlling a planar heating element embedded in a wallpaper. Layer) can be actively controlled.

According to the present invention, there is provided a method of manufacturing a wallpaper, comprising: forming a wallpaper substrate; Forming at least one planar heating element on the wallpaper substrate; Forming at least one layer of thermochromic material on the wallpaper substrate or the planar heating element; Forming at least one protective layer on the wallpaper substrate to cover the thermochromic material layer and the planar heating element sufficiently; And supplying power to the planar heating element and controlling temperature through a power supply and control means formed on the wallpaper substrate.

Wallpapers, wallpaper, liquid crystal, clesteric, planar heating elements

Description

Wall paper having thermochromic material layer and heating element of face, and manufacturing method thereof

1a to 1e is a cross-sectional view of the manufacturing process of the wallpaper including the thermochromic material layer and the planar heating element according to an embodiment of the present invention

2 is a plan view of a wallpaper including a thermochromic material layer and a planar heating element according to a preferred embodiment of the present invention;

3A is a plan view showing a first operating state of a wallpaper including a thermochromic material layer and a planar heating element according to a preferred embodiment of the present invention;

3B is a plan view showing a second operating state of a wallpaper including a thermochromic material layer and a planar heating element according to a preferred embodiment of the present invention;

<Explanation of symbols for the main parts of the drawings>

10 substrate or wallpaper substrate 12 planar heating element

12a: first planar heating element 12b: second planar heating element

12c: third planar heating element 12d: fourth planar heating element

14: thermochromic material layer (or liquid crystal layer or cholesteric liquid crystal layer)

14a: first thermochromic material layer (or first liquid crystal layer or first cholesteric liquid crystal layer)

14b: second thermochromic material layer (or second liquid crystal layer or second cholesteric liquid crystal layer)

14c: third thermochromic material layer (or third liquid crystal layer or third cholesteric liquid crystal layer)

14d: fourth thermochromic material layer (or fourth liquid crystal layer or fourth cholesteric liquid crystal layer)

16: protective layer 18: power supply and control means

20: wallpapers

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to wallpapers (also called 'wall papers') and methods of manufacturing the same, and in particular, the color change of patterns or letters formed on the wallpapers can be varied according to the season, time or temperature. The present invention relates to a wallpaper comprising a thermochromic material layer and a planar heating element, and a method of manufacturing the same.

Conventional wallpapers (Wall Paper) is composed of a wallpaper substrate containing a variety of shapes and colors of design. Conventional wallpapers can express shapes or pictures on the surface of the paper to enhance the beauty of the interior or enhance the quality, but the user can easily feel bored as the displayed shapes or pictures always have the same color. There is a problem that the wallpaper is used to replace the new season depending on the season, thereby increasing the household burden.

In order to solve this problem, Republic of Korea Patent Registration No. 0255105 (Prior Patent 1), a resin is coated on the surface of the base paper, and in the wallpaper is represented by various patterns on the resin, a liquid pigment on the surface of the resin The flower pattern consisting of stems, leaves, petals, and stamens is laminated, but the leaves and petals contain pigments that change color according to temperature, so that the wallpaper can change color as the room temperature rises. Is disclosed.

The technical idea of the prior patent 1 is to manufacture a figure or a picture of a wallpaper expressed on the interior wall by varying the color of the color change according to the temperature, so that the figure or picture portion containing the pigment as the room temperature changes The color change is taking place. Conventional wallpaper having such a function can vary aesthetics of the room in accordance with the room temperature, there is an advantage that the user can easily recognize the room temperature.

However, the conventional wallpaper as described above is to change the color manually only by the ambient temperature, and could not actively control the color of the wallpaper as intended by the owner of the wallpaper.

In addition, Korean Patent Application No. 2006-0021184 (Previous Patent 2) discloses a wallpaper comprising a wallpaper comprising a wallpaper substrate, a liquid crystal layer formed on the wallpaper substrate, and a protective layer formed on the liquid crystal layer. The technical idea of the prior patent 2 provides a wall paper that can change color according to a change in ambient or human body temperature, and provides information on the surrounding temperature or health state of the human body, as well as visual boredom. To be removed.

However, even in the conventional wallpapers disclosed in the above Patent 2, the color of the liquid crystal layer is changed manually only by the ambient temperature, and it is not possible to actively control the color of the wallpaper as intended by the owner of the wallpaper. There was a problem.

Accordingly, the present invention has been made to solve the above problems, and an object of the present invention is to control a planar heating element embedded in a wallpaper so as to change a thermochromic material layer (for example, a liquid crystal layer) that changes color depending on temperature. To provide a wallpaper comprising a thermochromic material layer and a planar heating element that can be actively controlled.

In addition, another object of the present invention to provide a wallpaper manufacturing method.

According to another aspect of the present invention, there is provided a method of manufacturing a wallpaper, the method including: forming a wallpaper substrate; Forming at least one planar heating element on the wallpaper substrate; Forming at least one layer of thermochromic material on the wallpaper substrate or the planar heating element; Forming at least one protective layer on the wallpaper substrate to cover the thermochromic material layer and the planar heating element sufficiently; And supplying power to the planar heating element and controlling temperature through a power supply and control means formed on the wallpaper substrate.

Here, the thermochromic material layer preferably includes a liquid crystal material.

In addition, the thermochromic material layer preferably includes a cholesteric liquid crystal material.

In this case, the liquid crystal material or cholesteric liquid crystal material, preferably comprises a liquid crystal polymer material.

In addition, the thermochromic material layer preferably includes a photocurable polymer material.

In addition, it is preferable to use Hanji as the wallpaper.

Wallpaper according to the present invention for achieving the above object, Wallpaper substrate; At least one planar heating element formed on the wallpaper substrate; At least one layer of thermochromic material formed on the wallpaper substrate or the planar heating element; At least one protective layer formed on the wallpaper substrate to sufficiently cover the thermochromic material layer and the planar heating element; And a power supply and control means formed on the wallpaper substrate to supply power to the planar heating element and to control temperature.

Here too, the thermochromic material layer preferably contains a liquid crystal material.

In addition, the thermochromic material layer preferably includes a cholesteric liquid crystal material.

In this case, the liquid crystal material or cholesteric liquid crystal material, preferably comprises a liquid crystal polymer material.

In addition, the thermochromic material layer preferably includes a photocurable polymer material.

Finally, it is preferable to use the paper as the wallpaper.

Therefore, the present invention can actively control the temperature of the thermochromic material layer (liquid crystal layer) and the corresponding color by the temperature control means built in the wallpaper.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Example

1a to 1e is a cross-sectional view of a manufacturing process of a wallpaper including a thermochromic material layer and a planar heating element according to a preferred embodiment of the present invention, Figure 2 is a thermochromic material layer and a planar heating element according to a preferred embodiment of the present invention It is the top view of the wallpapers to include.

Hereinafter, a wallpaper including a thermochromic material layer and a planar heating element and a method of manufacturing the same will be described with reference to FIGS. 1 and 2.

According to the present invention, as shown in FIG. 1E, the wallpaper 20 using the liquid crystal layer includes a wallpaper substrate 10, at least one planar heating element 12 formed on the substrate 10, and the substrate ( 10) or at least one thermochromic material layer 14 formed on the planar heating element 12, and the thermochromic material layer 14 and the planar heating element 12 are sufficiently covered on the substrate 10. At least one protective layer 16 formed on the substrate 10 and a power supply and control means 18 formed on the substrate 10 to supply power to the planar heating element 12 and to control temperature and the like. do.

Hereinafter, a wallpaper manufacturing method including the thermochromic material layer and the planar heating element of the present invention having the above configuration will be described with reference to FIGS. 1A to 1E.

First, as shown in FIGS. 1A and 1B, after forming the wallpaper substrate 10, at least one planar heating element 12 is formed on the substrate 10. At this time, the planar heating element 12 is a heating element that generates heat by the power supply and control means 6, for example, converts electrical energy into thermal energy through the heating portion of the ceramic resistor having an electrical resistance. Function The planar heating element 12 having such a function may include one using a metal thin plate, one using a heat generating paint (carbon black), one using carbon fiber, and the like.

Meanwhile, an insulating layer (not shown) for insulation may be formed between the substrate 10 and the planar heating element 12.

Next, as shown in FIG. 1C, at least one thermochromic material layer 14 is formed on the wallpaper substrate 10 or the planar heating element 12. In this case, the thermochromic material layer 14 may be formed using any one material of a thermochromic material including a liquid crystal material, a cholesteric liquid crystal material, and a photocurable polymer material. At this time, the liquid crystal material or cholesteric liquid crystal material preferably comprises a liquid crystal polymer material.

Next, as shown in FIG. 1D, at least one protective layer 16 is formed on the wallpaper substrate 10 such that the thermochromic material layer 14 and the planar heating element 12 are sufficiently covered. .

Finally, as shown in FIG. 1E, power is supplied to the planar heating element 12 and power is controlled through the power supply and control means 18 formed on the wallpaper substrate 10.

Here, the wallpaper may be manufactured using Korean paper.

Wallpapers  Operation state diagram

3A is a plan view showing a first operating state of a wallpaper including a thermochromic material layer and a planar heating element according to a preferred embodiment of the present invention, in a first time zone (eg, a day time zone) or a first temperature state; It shows the operation status of wallpapers. 3B is a plan view illustrating a second operating state of a wallpaper including a thermochromic material layer and a planar heating element according to a preferred embodiment of the present invention, and includes a second time zone (eg, a night time zone) or a second temperature state. This shows the operation status of wallpapers in.

12a to 12d denote first to fourth planar heating elements, and 14a to 14d denote first to fourth thermochromic material layers (or a liquid crystal layer or a cholesteric liquid crystal layer), respectively.

As shown in Figs. 3A and 3B, the first to fourth thermochromic material layers 14a to 14d are the first to fourth powers supplied and controlled by the power supply and control means 18. Figs. According to the temperature defined by the planar heating elements 14a to 14d, the molecular arrangement structure of the first to fourth thermochromic material layers 14a to 14d changes, and correspondingly to the first to fourth thermochromic materials. The wavelength distribution of light incident on the layers 14a to 14d and selectively reflected changes, so that a color change occurs when the user views the thermochromic material layers 14a to 14d.

As shown in FIGS. 3A and 3B, for example, when the temperature of the first to fourth planar heating elements 12a to 12d is differently defined and controlled during daytime and nighttime, The colors of the first to fourth thermochromic material layers 14a to 14d may be distinguished according to time.

Similarly, using the liquid crystal layer or the cholesteric liquid crystal layer instead of the first to fourth thermochromic material layers 14a to 14d can achieve the same operation and effect as described above.

The present invention is not limited to the above-described embodiments, and various modifications and changes can be made by those skilled in the art, which should be regarded as included in the spirit and scope of the present invention as defined in the appended claims. will be.

As described above, according to the wallpaper including the thermochromic material layer and the planar heating element according to the present invention, and a method of controlling the same, the thermochromic material layer which changes color according to temperature by controlling the planar heating element embedded in the wallpaper ( Liquid crystal layer) can be actively controlled. Therefore, since the user of the wallpaper can change the color of the pattern or the letters formed on the wallpaper in various ways depending on the season, time or temperature, the aesthetics of the room can be variously changed.

Claims (12)

Forming a wallpaper substrate; Forming at least one planar heating element on the wallpaper substrate; Forming at least one layer of thermochromic material on the wallpaper substrate or the planar heating element; Forming at least one protective layer on the wallpaper substrate to cover the thermochromic material layer and the planar heating element sufficiently; And And supplying power to and controlling the temperature of the planar heating element through a power supply and control means formed on the wallpaper substrate. The method of claim 1, The thermochromic material layer is a wallpaper manufacturing method comprising a liquid crystal material. The method of claim 1, The thermochromic material layer is a wallpaper manufacturing method comprising a cholesteric (Cholesteric) liquid crystal material. The method of claim 2 or 3, The liquid crystal material or cholesteric liquid crystal material, the wallpaper manufacturing method characterized in that it comprises a liquid crystal polymer material. The method of claim 1, The thermochromic material layer is a wallpaper manufacturing method comprising a photocurable polymer material. The method of claim 1, The wallpaper is a manufacturing method of the wallpaper, characterized in that using the Korean paper. Wallpaper substrates; At least one planar heating element formed on the wallpaper substrate; At least one layer of thermochromic material formed on the wallpaper substrate or the planar heating element; At least one protective layer formed on the wallpaper substrate to sufficiently cover the thermochromic material layer and the planar heating element; And And power supply and control means formed on the wallpaper substrate and supplying power to the planar heating element and controlling temperature. The method of claim 7, wherein The thermochromic material layer is a wallpaper, characterized in that it comprises a liquid crystal material. The method of claim 7, wherein The thermochromic material layer is a wallpaper, characterized in that it comprises a cholesteric (Cholesteric) liquid crystal material. The method according to claim 8 or 9, The liquid crystal material or cholesteric liquid crystal material, the wallpaper comprising a liquid crystal polymer material. The method of claim 7, wherein The thermochromic material layer comprises a photocurable polymer material. The method of claim 7, wherein The wallpapers are wallpapers, characterized in that using the Korean paper.

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