KR20170080248A - Smart window - Google Patents

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Publication number
KR20170080248A
KR20170080248A KR1020150191570A KR20150191570A KR20170080248A KR 20170080248 A KR20170080248 A KR 20170080248A KR 1020150191570 A KR1020150191570 A KR 1020150191570A KR 20150191570 A KR20150191570 A KR 20150191570A KR 20170080248 A KR20170080248 A KR 20170080248A
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KR
South Korea
Prior art keywords
transparent layer
light
control unit
fluidized bed
light control
Prior art date
Application number
KR1020150191570A
Other languages
Korean (ko)
Inventor
윤현식
양준석
강성환
이형규
Original Assignee
서울과학기술대학교 산학협력단
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 서울과학기술대학교 산학협력단 filed Critical 서울과학기술대학교 산학협력단
Priority to KR1020150191570A priority Critical patent/KR20170080248A/en
Publication of KR20170080248A publication Critical patent/KR20170080248A/en

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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/0102—Constructional details, not otherwise provided for in this subclass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • 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
    • G02F1/0009—Materials therefor
    • G02F1/0018—Electro-optical materials

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Optical Elements Other Than Lenses (AREA)

Abstract

Provides a smart window. The smart window may include a first transparent layer, a second transparent layer disposed apart from the first transparent layer, the second transparent layer having a cross section reduced toward the first transparent layer, A first control part disposed on a surface facing the first transparent layer and guiding the light control material toward the first transparent layer, and a second control part disposed on the second transparent layer, And a second control part disposed on a surface facing the second transparent layer and guiding the light control material toward the second transparent layer.

Description

Smart Window {SMART WINDOW}

The present invention relates to a smart window.

Recently, technology for smart windows that control the transmittance of sunlight has been actively developed. The smart window has no additional installation process and has the advantage of being able to control the brightness in the building. In addition, the smart window has an advantage of high energy efficiency. The smart window can be used not only in a window in a building but also in various fields. It can be used for display devices such as smart phones, PCs, TVs as well as glass and windows.

However, there is a problem that the technology of the smart window is complicated and difficult to implement. The smart window is difficult to manufacture and has not reached the commercialization stage.

In order to solve the above problems, the present invention provides a smart window for adjusting the light transmittance with a simple structure.

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

The smart window according to embodiments of the present invention is a smart window capable of adjusting the transmittance of light, and includes a first transparent layer, a second transparent layer disposed apart from the first transparent layer, A second transparent layer disposed between the first transparent layer and the second transparent layer, a fluid layer disposed between the first transparent layer and the second transparent layer, a light control material distributed in the fluidized bed, a second transparent layer disposed on a surface facing the first transparent layer, And a second control part disposed on a surface facing the second transparent layer and guiding the light control material toward the second transparent layer.

The fluidized bed can control the refractive index of light.

Wherein the smart window is formed on the first transparent layer and includes a first surface facing the fluidized layer and a second surface formed on the second transparent layer and facing the fluidized bed, The cross-section can be reduced.

The smart window may be defined by the second side and may include a reservoir in which the light control material is deposited.

The second transparent layer has a groove formed in a surface in contact with the fluidized bed, and the light control substance may be accumulated in the groove.

The cross section of the groove in a direction perpendicular to the first transparent layer may be a square.

The first transparent layer and the second transparent layer may be made of a polymer or glass.

The light control material may be composed of particles that absorb, reflect, or scatter light.

The first control unit and the second control unit may be made of a magnetic material, and the light control material may be induced by a magnetic signal of the first control unit and the second control unit.

The first control unit, the second control unit, and the light control material may be formed of a material having a charge, and the light control material may be induced by an electrical signal of the first control unit and the second control unit.

The second transparent layer may have a horn shape.

According to embodiments of the present invention, the smart window can adjust the amount of incident light. A fluidized bed is disposed between the first and second transparent layers, and the light transmittance can be controlled through the light control material distributed in the fluidized bed. The smart window includes a material capable of controlling the refractive index of light, so that the user can appreciate a desired view. The smart window is simple in structure and manufacturing process, and does not incur a high manufacturing cost.

1 shows a cross-sectional view of a smart window according to an embodiment of the invention.
2 is a perspective view of a smart window according to an embodiment of the present invention.
3 shows a perspective view of a smart window according to another embodiment of the present invention.
4 and 5 show a plan view of a smart window and an embodiment thereof according to an embodiment of the present invention.
6 to 8 show cross-sectional views of a smart window and an embodiment thereof according to another embodiment of the present invention.
9-11 are cross-sectional views of smart windows and embodiments thereof according to another embodiment of the present invention.
12 shows a cross-sectional view of a smart window according to another embodiment of the present invention.

Hereinafter, the present invention will be described in detail with reference to examples. The objects, features and advantages of the present invention will be easily understood by the following embodiments. The present invention is not limited to the embodiments described herein, but may be embodied in other forms. The embodiments disclosed herein are provided so that the disclosure may be thorough and complete, and that those skilled in the art will be able to convey the spirit of the invention to those skilled in the art. Therefore, the present invention should not be limited by the following examples.

Although the terms first, second, etc. are used herein to describe various elements, the elements should not be limited by such terms. These terms are only used to distinguish the elements from each other. In addition, when an element is referred to as being on another element, it may be directly formed on the other element, or a third element may be interposed therebetween.

The sizes of the elements in the figures, or the relative sizes between the elements, may be exaggerated somewhat for a clearer understanding of the present invention. In addition, the shape of the elements shown in the drawings may be somewhat modified by variations in the manufacturing process or the like. Accordingly, the embodiments disclosed herein should not be construed as limited to the shapes shown in the drawings unless specifically stated, and should be understood to include some modifications.

1 shows a cross-sectional view of a smart window according to an embodiment of the invention.

1, the smart window 100 includes a first transparent layer 110, a second transparent layer 120, a fluidized bed 130, a light control material 140, a first control unit 160, and a second control unit 170). The smart window 100 can adjust the amount of incident light. The smart window 100 can control the transmittance of light. The transparency of the smart window 100 changes and the light transmittance can be adjusted. The smart window 100 can be applied to transportation, building, information display, and the like. For example, the smart window 100 may be used in building windows, automotive glass, displays, and the like.

The first transparent layer 110 and the second transparent layer 120 may be formed of a transparent material. The first transparent layer 110 and the second transparent layer 120 may be made of a transparent material such as a polymer or glass. The first transparent layer 110 and the second transparent layer 120 may be formed of an acrylic resin or a silicone resin (for example, PDMS (Polydimethylsiloxane)) in the polymer. A fluidized bed 130 may be disposed between the first and second transparent layers 110 and 120 and a flowable material may be disposed within the fluidized bed 130. The first transparent layer 110 and the second transparent layer 120 are disposed, and the fluidized bed 130 may have a structurally stable form.

The first transparent layer 110 may have a first side 111. The first transparent layer 110 may have a first side 111 facing the fluidized bed 130. The first surface 111 of the first transparent layer 110 may be made of a transparent material. The first surface 111 may be composed of an acrylic resin or a silicone resin (for example, PDMS (Polydimethylsiloxane)) in the polymer. The second transparent layer 120 may be disposed apart from the first transparent layer 110. The second transparent layer 120 may have a second surface 121. The second transparent layer 120 may have a second surface 121 facing the second transparent layer 120. The cross section of the second surface 121 may become narrower toward the first transparent layer 110. The cross-section of the second surface 121 in a direction perpendicular to the first transparent layer 110 may have a triangular shape. The second transparent layer 120 may include a storage portion 150 defined by a second surface 121. The second surface 121 may include a storage unit 150 in which the light control material 140 induced by the second control unit 170 moves and accumulates. The second transparent layer 120 may include a plurality of storage portions 150 defined by the second surface 121. The width of the end face of the plurality of storage units 150 may be narrower toward the first transparent layer 110. [ The second surface 121 of the second transparent layer 120 may be made of a transparent material. The second surface 121 may be formed of a transparent material such as a polymer or glass. The first surface 111 and the second surface 121 may be composed of acrylic resin or silicone resin (for example, PDMS (Polydimethylsiloxane)) in the polymer.

The fluidized layer 130 may be disposed between the first transparent layer 110 and the second transparent layer 120. The fluidized bed 130 may be filled with the flowing material having fluidity. The flow material disposed in the fluidized bed 130 can control the refractive index of light. The flow material can adjust the light path by controlling the refractive index of light. By controlling the path of light, users can enjoy the scenery they want. The flowable material may be composed of, for example, ethanol, water, polyethylene glycol, isopropyl alcohol, or the like.

The light modulating material 140 may be disposed within the fluidized bed 130. The light modulating material 140 may be distributed in the fluidized bed 130. The light modulating material 140 may be composed of particles. The light control material 140 may be induced by the first control unit 160 or the second control unit 170. [ The light control material 140 induced by the first control unit 160 may move to the storage unit 150. The light control material 140 induced by the second control unit 170 may move to the second surface 121. [ The light modulating material 140 may be composed of particles that absorb, reflect, or scatter light.

The first controller 160 and the second controller 170 may be formed of a transparent material such as ITO.

The first control unit 160 may be disposed on a surface facing the first transparent layer 110. The first control unit 160 may be disposed adjacent to the first transparent layer 110. The first control unit 160 may guide the light control material 140 toward the first transparent layer 110. Although not shown in the drawings, the first control unit 160 may be bonded to the first transparent layer 110. The first control unit 160 may adhere to the first transparent layer 110 to easily guide the light control material 130. The light control material 130 may be guided by the first control unit 160 so that the light control material 130 can easily move to the first surface 111. [

The second control unit 170 may be disposed on a surface facing the second transparent layer 120. The second control unit 170 may be disposed adjacent to the second transparent layer 120. The second controller 170 may guide the light modulating material 140 toward the second transparent layer 120. The second control unit 170 may move the light control material 140 to the storage unit 150. FIG. Although not shown in the figure, the second controller 170 may be adhered to the second transparent layer 120. The second control unit 170 may adhere to the second transparent layer 120 to easily guide the light control material 130. The light control material 130 is guided by the second controller 170 so that the light control material 130 can be easily moved to the storage unit 150 disposed on the second surface 111. [

2 is a perspective view of a smart window according to an embodiment of the present invention.

Referring to FIG. 2, the second surface 121 may have a horn shape. The second surface 121 may include a plurality of the horns. The plurality of horns on the second surface 121 may be made of a transparent material. The plurality of the horns may be made of a transparent material such as a polymer, glass, or the like. The plurality of horns may be composed of an acrylic resin or a silicone resin (for example, PDMS (Polydimethylsiloxane)) in the polymer.

The second surface 121 may have a quadrangular pyramid shape. The second surface 121 may include a plurality of the quadrangular pyramids. The first surface 111 and the second surface 121 may be defined by a section cut perpendicularly to the first transparent layer 110 at the vertex of the quadrangular pyramid. The second surface 121 may be composed of diagonal lines of the quadrangular pyramids. Although not shown in the drawings, the second surface 121 may have a polygonal pyramid shape.

3 shows a perspective view of a smart window according to another embodiment of the present invention.

Referring to FIG. 3, the second surface 121 may have a conical shape. The second surface 121 may include a plurality of the cones. The first surface 111 and the second surface 121 may be defined by a section cut perpendicularly to the first transparent layer 110 at the vertices of the cones. And the second surface 121 may be constituted by the busbars of the cones.

4 and 5 show a top view of a smart window and an embodiment thereof according to an embodiment of the present invention.

4 and 5, the fluidized bed 130 may be filled with the flowing material having fluidity. The fluidized bed 130 may be filled with the flowing material capable of controlling the refractive index of light. The flowable material capable of controlling the refractive index of light can be filled in the fluidized bed to adjust the path of light. By controlling the light path, the user can enjoy the desired scenery. For example, the flowing material disposed in the fluidized bed 130 may be composed of ethanol, water, polyethylene glycol, isopropyl alcohol, or the like.

The first control unit 160 of the smart window 100 is disposed on the outside of the building or on the surface facing the outer surface of the display and the second control unit 170 is disposed on the inner surface of the building and on the surface facing the inner surface of the display. . The light passes through the first transparent layer 110, the fluidized layer 130, and the second transparent layer 120 so that the refractive index can be adjusted. The second control unit 170 of the smart window 100 is disposed on the exterior of the building or on a surface facing the outer surface of the display and the first control unit 160 is disposed on the inner surface of the building, As shown in FIG. The light passes through the second transparent layer 120, the fluidized layer 130, and the first transparent layer 110 so that the refractive index can be adjusted.

6 to 8 show cross-sectional views of a smart window and an embodiment thereof according to another embodiment of the present invention.

Referring to FIGS. 6 to 8, the first controller 160 may move the light control material 140 to a specific position. The light control material 140 may move to the first side 111 through the first control unit 160. The light modulating material 140 may migrate to the first side 111 and accumulate. The material disposed in the fluidized bed (130) may facilitate the movement of the light modulating material (140). The transmittance of light can be controlled through the light control material 140 moved and accumulated on the first side 111. The light control material 140 may accumulate on the first side 111 to block light. The first controller 160 may be formed of a magnetic material. For example, the magnetic material may refer to a magnet generated by a magnetic field. The light control material 140 may be induced by a magnetic signal (magnetic force) of the first control unit 160. The light control material 140 may be formed of a material that can be induced by a magnetic signal (magnetic force) of the first control unit 160. Also, the first controller 160 may be formed of a material having a charge. The light modulating material 140 may also be composed of a material having a charge. An electric signal (electric force) may be generated by the first control unit 160 having a charge and the light control substance 140. The light control material 140 may be directed to the first side 111 by the electrical signal (electrical force). The flowing material disposed in the fluidized bed 130 may be made of a conductive material having a high electrical conductivity. The conductive material may be disposed so that the first controller 160 may guide the light control material 140. The conductive material may be an electrolyte solution.

The first control unit 160 of the smart window 100 is disposed on the outside of the building or on the surface facing the outer surface of the display and the second control unit 170 is disposed on the inner surface of the building and on the surface facing the inner surface of the display. . The light passes through the fluidized bed (130) and the transmittance can be adjusted. The second control unit 170 of the smart window 100 is disposed on the exterior of the building or on a surface facing the outer surface of the display and the first control unit 160 is disposed on the inner surface of the building, As shown in FIG. The light passes through the fluidized bed (130) and the transmittance can be adjusted.

9-11 are cross-sectional views of smart windows and embodiments thereof according to another embodiment of the present invention.

Referring to FIGS. 9 to 11, the second controller 170 may move the light control material 140 to a specific position. The light control material 140 may be moved to the second surface 121 through the second control unit 170. The light modulating material 140 may move and accumulate in the storage portion 150 defined by the second surface 121. [ The flow material disposed in the fluidized bed (130) may facilitate the movement of the light modulating material (140). The transmittance of light can be adjusted through the accumulated light control material 140 by moving to the storage unit 150. The light control material 140 may be accumulated in the storage unit 150 to allow light to pass therethrough. The second controller 170 may be made of a magnetic material. For example, the magnetic material may refer to a magnet generated by a magnetic field. The light control material 140 may be induced by a magnetic signal (magnetic force) of the second control unit 170. The light control material 140 may be composed of a material that can be induced by a magnetic signal (magnetic force) of the second control unit 170. The second control unit 170 may be made of a material having a charge. The light modulating material 140 may also be composed of a material having a charge. An electric signal (electric force) may be generated by the second control unit 170 having charge and the light control substance 140. The light control material 140 may be directed to the storage 150 by the electrical force. The flowing material disposed in the fluidized bed 130 may be made of a conductive material having a high electrical conductivity. The conductive material may be disposed so that the second controller 170 may guide the light control material 140. The conductive material may be an electrolyte solution.

12 shows a cross-sectional view of a smart window according to another embodiment of the present invention.

Referring to FIG. 12, the smart window 100 may include a storage unit 150. The smart window 100 may include a storage unit 150 formed at a portion where the second transparent layer 120 and the fluidized bed 130 face each other. The storage unit 150 may be formed on the second surface 132. The second surface 132 may include a recess formed in the direction of the second transparent layer 120. The grooves may be disposed at the horn-shaped boundary disposed in the second transparent layer 120. Although not shown in the drawing, the groove may include a groove formed at a vertex of the horn so as to be concave in the direction of the second transparent layer 120. The grooves may be connected to the second surface 132 and may have connection surfaces vertically connected to the second transparent layer 120, respectively. In addition, the second transparent layer 120 may include a surface parallel to the second transparent layer 120 and connected to the connection surface. The cross-section of the groove in the direction perpendicular to the second transparent layer 120 may have a rectangular shape. The area of the storage part 150 can be widened through the grooves formed on the second surface 132. The light control material 140 may be accumulated in the storage portion 150 having a larger area through the groove. The area of the storage part 150 is increased in the direction of the second transparent layer 120 through the groove, and the light transmittance can be increased.

Hereinafter, specific embodiments of the present invention have been described. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. Therefore, the disclosed embodiments should be considered in an illustrative rather than a restrictive sense. The scope of the present invention is defined by the appended claims rather than by the foregoing description, and all differences within the scope of equivalents thereof should be construed as being included in the present invention.

100: smart window 110: first transparent layer
111: first surface 120: second transparent layer
121: second side 130: fluidized bed
140: light control material 150: storage part
160: first control unit 170: second control unit

Claims (11)

As a smart window that can control the light transmittance,
A first transparent layer;
A second transparent layer disposed apart from the first transparent layer and having a cross section that becomes smaller toward the first transparent layer;
A fluidized bed disposed between the first transparent layer and the second transparent layer;
A light control material distributed in the fluidized bed;
A first control part disposed on a surface facing the first transparent layer, for guiding the light control material toward the first transparent layer; And
And a second control portion disposed on a surface facing the second transparent layer, for guiding the light control material toward the second transparent layer. The method according to claim 1,
Wherein the fluidized bed controls the refractive index of light. The method according to claim 1,
A first face formed in the first transparent layer and facing the fluidized bed,
A second surface formed in the second transparent layer and facing the fluidized bed,
Wherein the second surface has a cross section that becomes smaller toward the fluidized bed. The method of claim 3,
Wherein said light control material is defined by said second side, and wherein said light control material is deposited. 5. The method of claim 4,
Wherein the second transparent layer
And a groove formed in a surface in contact with the fluidized bed,
And the light control material is accumulated in the groove. 6. The method of claim 5,
Wherein a cross-section of the groove in a direction perpendicular to the first transparent layer is rectangular. The method according to claim 1,
Wherein the first transparent layer and the second transparent layer are made of polymer or glass. The method according to claim 1,
Wherein the light control material comprises particles that absorb, reflect, or scatter light. The method according to claim 1,
Wherein the first controller and the second controller are made of a magnetic material,
Wherein the light control material is induced by a magnetic signal of the first control unit and the second control unit. The method according to claim 1,
Wherein the first control unit, the second control unit, and the light control material are made of a material having a charge,
Wherein the light control material is induced by an electrical signal of the first control unit and the second control unit. The method according to claim 1,
Wherein the second transparent layer has a horn shape.
KR1020150191570A 2015-12-31 2015-12-31 Smart window KR20170080248A (en)

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Application Number Priority Date Filing Date Title
KR1020150191570A KR20170080248A (en) 2015-12-31 2015-12-31 Smart window

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Application Number Priority Date Filing Date Title
KR1020150191570A KR20170080248A (en) 2015-12-31 2015-12-31 Smart window

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200076295A (en) * 2018-12-19 2020-06-29 쓰리디아이즈 주식회사 Smart window

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200076295A (en) * 2018-12-19 2020-06-29 쓰리디아이즈 주식회사 Smart window

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