KR102622645B1 - Fitting and Fitting system having the same - Google Patents

Abstract

A window according to an embodiment of the present invention includes a window, and the window includes one or more solar cell modules including a light collecting part and solar cells disposed on a side of the light collecting part, and the light collecting part receives sunlight. A quantum dot layer having a first surface and a second surface opposing the first surface; and a first light-transmitting member laminated on the second surface side of the quantum dot layer.

Description

Windows and a window system equipped with the same {Fitting and Fitting system having the same}

The present invention relates to windows and a window system including the same, and more specifically, to converting sunlight incident on a window into electrical energy by a solar cell without unnecessarily reducing the sunlight flowing into the room. It relates to windows that can maximize the ratio of available light and a window system equipped with the same.

Recently, solar power generation facilities that can produce electricity using solar energy have become increasingly common. Building Integrated PhotoVoltaic (BIPV), which uses solar power generation facilities such as solar cells as the exterior finishing material of buildings, was used in the convention center of the Lausanne University of Technology in Switzerland in early 2014, and has recently been used in the 21st century. It is attracting attention around the world as a promising new technology.

Patent Document 1 (Korean Patent Publication No. 10-2020-0080702), which is a prior art regarding a concentrating solar power generation smart window that can produce electricity by concentrating sunlight from a window, is disclosed.

The concentrating solar power generation smart window disclosed in Patent Document 1 is disposed between a plurality of glass panels and has a diffraction grating portion that refracts part of the incident sunlight to one side of the window frame and passes part of it, and is located on one side of the window frame. It includes a solar cell that produces electricity by using light refracted by a diffraction grating unit as a light source. However, the diffraction grating portion that refracts sunlight and the light blocking portion that blocks sunlight are provided between a plurality of slits that transmit sunlight. Therefore, there is a problem of unnecessarily reducing the amount of sunlight flowing into the room. In addition, since the sunlight incident on this diffraction grating part includes light, such as ultraviolet rays, that cannot be converted into electrical energy by the solar cell, the solar light that generates electrical energy from the sunlight incident on the window There is a problem that there is a limit to increasing the efficiency of the battery.

Korean Patent Publication No. 10-2020-0080702

The object of the present invention is to provide a window and door equipped with the same that can maximize the ratio of light that can be converted into electrical energy by a solar cell among the sunlight incident on the window without unnecessarily reducing the amount of sunlight entering the room. The goal is to provide a window system that

Another object of the present invention is to provide a window that can increase the amount of light incident on the light-receiving surface of a solar cell through a light concentrator, and a window system including the same.

Another object of the present invention is to provide a window system that can store and use electrical energy generated from solar cells while preventing damage to the original functions of the window, such as opening and closing the window.

In order to achieve the above object, the window according to the first feature of the embodiment of the present invention includes a window, and the window includes one or more solar cell modules including a light collecting part and a solar cell disposed on a side of the light collecting part. It includes: a quantum dot layer, wherein the light collecting part has a first surface on which sunlight is incident and a second surface opposing the first surface; and a first light-transmitting member laminated on the second surface side of the quantum dot layer.

A window according to a second feature of an embodiment of the present invention includes a window, wherein the window includes at least one solar cell module having a light collecting part and a solar cell disposed on a side of the light collecting part, and the light collecting part includes solar cells. A quantum dot layer having a first surface on which the light is incident and a second surface opposing the first surface; and a light-transmitting member laminated on the first side of the quantum dot layer.

The window according to the first feature may further include a first low refractive index layer in which the light collecting part is laminated between the quantum dot layer and the first light transmitting member and has a refractive index lower than the refractive index of the quantum dot layer.

The window according to the first feature may further include a first low refractive index pattern in which the light collecting part is provided on the second surface of the quantum dot layer and has a refractive index lower than the refractive index of the quantum dot layer.

The window according to the first feature may further include a second light transmitting member in which the light collecting part is laminated on the first surface side of the quantum dot layer.

The window according to the second feature may further include a low refractive index layer in which the light collecting part is laminated between the quantum dot layer and the light transmitting member and has a refractive index lower than that of the quantum dot layer.

The window according to the second feature may further include a low refractive index pattern in which the light collecting part is provided on the first surface of the quantum dot layer and has a refractive index lower than the refractive index of the quantum dot layer.

The window according to the first feature may further include a second low refractive index layer in which the light collecting part is laminated between the quantum dot layer and the second light transmitting member and has a refractive index lower than that of the quantum dot layer.

The window according to the first feature may further include a second low refractive index pattern in which the light collecting part is provided on the quantum dot layer and the first surface and has a refractive index lower than the refractive index of the quantum dot layer.

The window system according to the third feature of the embodiment of the present invention includes windows and doors; an electric energy storage unit installed in a window frame extending along an edge of the window; and a functional element electrically connected to the electric energy storage unit and installed on the window, wherein the window includes the window, and the window includes a light collecting part and a solar cell disposed on a side of the light collecting part. It includes the above solar cell module, wherein the light collecting part includes a quantum dot layer having a first surface on which sunlight is incident and a second surface opposing the first surface; and a first light-transmitting member laminated on the second surface side of the quantum dot layer.

The window system according to the fourth feature of the embodiment of the present invention includes windows and doors; an electric energy storage unit installed within a window frame extending along an edge of the window; and a functional element electrically connected to the electric energy storage unit and installed on the window, wherein the window includes the window, and the window includes a light collecting part and a solar cell disposed on a side of the light collecting part. It includes the above solar cell module, wherein the light collecting part includes a quantum dot layer having a first surface on which sunlight is incident and a second surface opposing the first surface; and a light-transmitting member laminated on the first side of the quantum dot layer.

The following effects are achieved by using a window and a window system including the same according to an embodiment of the present invention.

1. Without unnecessarily reducing the amount of sunlight entering the room, it is possible to maximize the proportion of sunlight incident on the window that can be converted into electrical energy by solar cells.

2. The amount of light incident on the light-receiving surface of the solar cell can be increased through the light concentrator.

3. Electrical energy generated from solar cells can be stored and used while preventing damage to the original functions of windows, such as opening and closing windows.

Hereinafter, preferred embodiments of the window and the window system including the same according to the present invention will be described in detail with reference to the attached drawings.
1 is a front view of a window according to an embodiment of the present invention.
Figure 2a is a partial side cross-sectional view of a window according to an embodiment of the present invention.
Figure 2b is a perspective view of a solar cell module of a window according to an embodiment of the present invention.
Figure 3 is a partial side cross-sectional view of a window according to a first modified example of one embodiment of the present invention.
Figure 4 is a partial side cross-sectional view of a window according to a second modification of one embodiment of the present invention.
Figure 5 is a partial side cross-sectional view of a window according to a third modification of one embodiment of the present invention.
Figure 6 is a partial side cross-sectional view of a window according to a fourth modification of one embodiment of the present invention.
Figure 7 is a partial side cross-sectional view of a window according to a fifth modification of one embodiment of the present invention.
Figure 8 is a partial side cross-sectional view of a window according to a sixth modification of one embodiment of the present invention.
Figure 9 is a rear view of a window system including windows according to an embodiment of the present invention.
Figure 10 is a flowchart of a method of manufacturing a window system including windows according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the window and the window system including the same according to the present invention will be described in detail with reference to the attached drawings.

Figure 1 is a front view of a window and door according to an embodiment of the present invention, Figure 2a is a partial side cross-sectional view of a window and door according to an embodiment of the present invention, and Figure 2b is a solar cell module of a window and door according to an embodiment of the present invention. This is a perspective view of

With reference to FIGS. 1 to 2B, the window 100 according to an embodiment of the present invention will be described as follows. The window 100 includes a window 110. Additionally, the window 100 may further include a window frame 120.

The window 110 is a portion through which sunlight (SL; see FIG. 2) is transmitted.

In this specification, the “window 110” may be a window provided for a “window through which people do not enter and exit,” but is not limited thereto. For example, the “window 110” may be a window provided as a “door through which people enter and exit,” such as a veranda door. Please note that it may include windows.

Window 110 includes one or more solar cell modules (SCMs). Additionally, the window 110 may further include a front panel (not shown) and a rear panel (not shown).

The solar cell module (SCM) includes a light concentrator 130 and a solar cell 140.

The light concentrator 130 includes a quantum dot layer 131 and a first light transmitting member 132.

In this specification, the "light concentrator 130" may also be referred to as a "luminescent solar concentrator" or a "luminescent solar concentrator", and the light emitting body absorbs solar light (SL) to provide low energy light ( For example, it may be a component that re-emits light (PhotoLuminescence (PL)) with visible light and/or infrared light.

Quantum dot layer 131 includes a plurality of quantum dots (QDs). In addition, the quantum dot layer 131 has a first surface (S1) on which sunlight (SL) is incident, and a second surface (S2) opposing the first surface (S1). Quantum dots (QDs) can convert light energy in a first wavelength range into light energy in a second wavelength range. For example, among the sunlight (SL) incident on the light concentrator 130, ultraviolet rays with a wavelength in the range of 10 to 400 nm are converted into light of 400 to 700 nm by the quantum dots (QDs) in the quantum dot layer 131. It may be converted into visible light with a wavelength in the wavelength range and/or infrared light with a wavelength in the wavelength range of 700 to 10 ⁶ nm and emitted.

The light emitted in this way is transmitted to the first surface of the quantum dot layer 131 due to the difference in refractive index between the quantum dot layer 131 and the external air (A) and the difference in refractive index between the quantum dot layer 131 and the first light transmitting member 132. It may be reflected from (S1) and the second surface (S2), guided along the longitudinal direction of the quantum dot layer 131, and then radiated from the side of the quantum dot layer 131. Specifically, the reflection on the first surface (S1) and the second surface (S2) of the quantum dot layer 131 is Fresnel (Fresnel), which means that light transmission (refraction) and reflection occur together at the interface between media with different refractive indices. Fresnel) can be done by the reflection principle.

The first light-transmitting member 132 is a light-transmitting member on which the quantum dot layer 131 is coated, and is laminated on the second surface (S2) of the quantum dot layer 131. For example, the first light transmitting member 132 may include glass.

The solar cell 140 is a component disposed on the side of the light collection unit 130 and converts light incident from the quantum dot layer 131 into electrical energy. The solar cell 140 has a light-receiving surface 141 on which light emitted from the quantum dot layer 131 is incident. Referring to FIG. 2B , the solar cell 140 may be disposed over the entire side of the light collecting part 130, for example, over a plurality of sides of the light collecting part 130. However, the present invention is not limited to this, and the solar cell 140 may be disposed on some of the sides of the light collecting part 130, for example, on some of the plurality of sides of the light collecting part 130.

The front panel is a panel placed in front of the solar cell module (SCM) where sunlight (SL) is incident. The front panel serves to house the front of the solar cell module (SCM). The front panel may include glass, for example. Additionally, when the window 110 includes such a front panel, the outside air (A) shown in FIG. 2A may be an air layer between the quantum dot layer 131 and the front panel.

The rear panel is a panel placed at the rear of the solar cell module (SCM). The rear panel serves to house the rear of the solar cell module (SCM). The rear panel may include glass, for example.

Referring to FIG. 1, the window frame 120 is a frame that extends along the edge of the window 110.

According to the first feature of the embodiment of the present invention, the window 100 includes a window 110, and the window 110 includes a light collecting part 130 and a solar cell disposed on a side of the light collecting part 130 ( 140) and includes one or more solar cell modules (SCM), wherein the light collecting part 130 includes a first surface (S1) on which solar light (SL) is incident and a first surface (S1) opposite the first surface (S1). Quantum dot layer 131 having two sides (S2); and a first light-transmitting member 132 stacked on the second surface (S2) of the quantum dot layer 131. Accordingly, without unnecessarily reducing the light flowing into the room among the sunlight (SL), the amount of light that can be converted into electrical energy by the solar cell 140 among the sunlight (SL) incident on the window 110 The ratio can be maximized.

Figure 3 is a partial side cross-sectional view of a window according to a first modified example of one embodiment of the present invention. Referring to FIG. 3, a window 100A according to a first modified example of an embodiment of the present invention includes a window 110A. Window 110A also includes one or more solar cell modules (SCMA).

The window 100A according to the first modification is different from the window 100 shown in FIG. 2A only in the configuration of the solar cell module (SCMA) of the window 110A, and the remaining configuration is similar. Specifically, in the solar cell module (SCMA) according to the first modification, compared to the solar cell module (SCM) shown in FIG. 2A, the light collecting part 130A includes the quantum dot layer 131 and the first light transmitting member ( 132) and further includes a first low refractive index layer 133 having a lower refractive index than the refractive index of the quantum dot layer 131. Accordingly, compared to the window 100 shown in FIG. 2A, the window 100A according to the first modification example has a lower intensity of light incident on the light receiving surface 141 of the solar cell 140 through the light collecting part 130A. The amount can be increased.

Figure 4 is a partial side cross-sectional view of a window according to a second modification of one embodiment of the present invention. Referring to FIG. 4, a window 100B according to a second modification example of an embodiment of the present invention includes a window 110B. Window 110B also includes one or more solar cell modules (SCMB).

The window 100B according to the second modification is different from the window 100 shown in FIG. 2A only in the configuration of the solar cell module (SCMB) of the window 110B, and the remaining configuration is similar. Specifically, in the solar cell module (SCMB) according to the second modification, compared to the solar cell module (SCM) shown in FIG. 2A, the light collecting part 130B is located on the second side (S2) of the quantum dot layer 131. and further includes a first low refractive index pattern 134 having a lower refractive index than the refractive index of the quantum dot layer 131. Accordingly, compared to the window 100 shown in FIG. 2A, the window 100B according to the second modification example reduces the amount of light incident on the light receiving surface 141 of the solar cell 140 through the light collecting part 130B. The amount can be increased.

Figure 5 is a partial side cross-sectional view of a window according to a third modification of one embodiment of the present invention. Referring to FIG. 5, a window 100C according to a third modified example of an embodiment of the present invention includes a window 110C. Window 110C also includes one or more solar cell modules (SCMC).

The window 100C according to the third modification is different from the window 100 shown in FIG. 2A only in the configuration of the solar cell module (SCMC) of the window 110C, and the remaining configuration is similar. Specifically, in the solar cell module (SCMC) according to the third modification, compared to the solar cell module (SCM) shown in FIG. 2A, the light collecting part 130C is located on the first side (S1) of the quantum dot layer 131. It further includes a second light transmitting member 135 stacked on the side.

In addition, the solar cell module (SCMC) according to the third modification example, similar to the solar cell module (SCMA) according to the first modification example shown in FIG. 1. It may further include a first low refractive index layer (133) that is laminated between the light transmitting members (132) and has a lower refractive index than the refractive index of the quantum dot layer (131). In addition, the solar cell module (SCMC) according to the third modification example, similar to the solar cell module (SCMB) according to the second modification example shown in FIG. 4, has a light concentrator (130C) It is provided on the second side (S2) and may further include a first low refractive index pattern 134 having a lower refractive index than the refractive index of the quantum dot layer 131. In addition, in the solar cell module (SCMC) according to the third modification, the light concentrator 130C is laminated between the quantum dot layer 131 and the second light transmitting member 135 and has a refractive index lower than that of the quantum dot layer 131. The branch may further include a second low refractive index layer (not shown). In addition, the solar cell module (SCMC) according to the third modified example includes a light concentrator 130C provided on the first surface S1 of the quantum dot layer 131 and a second light concentrating portion 130C having a refractive index lower than that of the quantum dot layer 131. It may further include a low refractive pattern (not shown).

Figure 6 is a partial side cross-sectional view of a window according to a fourth modification of one embodiment of the present invention. Referring to FIG. 6, a window 100D according to a fourth modification of an embodiment of the present invention includes a window 110D. Window 110D also includes one or more solar cell modules (SCMD).

The window 100D according to the fourth modification is different from the window 100 shown in FIG. 2A only in the configuration of the solar cell module (SCMD) of the window 110D, and the remaining configuration is similar. Specifically, in the solar cell module (SCMD) according to the fourth modification, compared to the solar cell module (SCM) shown in FIG. 2A, the light collecting part 130D is located on the first side (S1) of the quantum dot layer 131. It includes a light transmitting member 136 laminated on the side. Additionally, the light transmitting member 136 is not laminated on the second surface (S2) of the quantum dot layer 131. External air (A) may exist on the second surface (S2) side of the quantum dot layer 131.

According to the second feature of the embodiment of the present invention, the window 100D includes a window 110D, and the window 110D includes a light collecting part 130D and a solar cell disposed on a side of the light collecting part 130D ( 140) and includes one or more solar cell modules (SCMD), wherein the light collecting part (130D) includes a first surface (S1) on which solar light (SL) is incident and a first surface (S1) opposite the first surface (S1). Quantum dot layer 131 having two sides (S2); and a light transmitting member 136 laminated on the first surface (S1) of the quantum dot layer 131. Accordingly, without unnecessarily reducing the light flowing into the room among the sunlight (SL), the amount of light that can be converted into electrical energy by the solar cell 140 among the sunlight (SL) incident on the window (110D) The ratio can be maximized.

Figure 7 is a partial side cross-sectional view of a window according to a fifth modification of one embodiment of the present invention. Referring to FIG. 7, a window 100E according to a fifth modification of an embodiment of the present invention includes a window 110E. Window 110E also includes one or more solar cell modules (SCME).

The window 100E according to the fifth modification is different from the window 100D shown in FIG. 6 only in the structure of the solar cell module (SCME), and the remaining structures are similar. Specifically, in the solar cell module (SCME) according to the fifth modification, compared to the solar cell module (SCM) shown in FIG. 6, the light collecting part 130E includes the quantum dot layer 131 and the light transmitting member 136. It is stacked in between and further includes a low refractive index layer 133A having a lower refractive index than the refractive index of the quantum dot layer 131. Accordingly, compared to the window 100D shown in FIG. 6, the window 100E according to the fifth modification example has a lower intensity of light incident on the light-receiving surface 141 of the solar cell 140 through the light collecting part 130E. The amount can be increased.

Figure 8 is a partial side cross-sectional view of a window according to a sixth modification of one embodiment of the present invention. Referring to FIG. 8, a window 100F according to a sixth modification example of an embodiment of the present invention includes a window 110F. Additionally, window 110F includes one or more solar cell modules (SCMF).

The window 100F according to the sixth modification is different from the window 100D shown in FIG. 6 only in the structure of the solar cell module (SCMF), and the remaining structures are similar. Specifically, in the solar cell module (SCMF) according to the sixth modification, compared to the solar cell module (SCMD) shown in FIG. 6, the light collecting part 130F is located on the first surface (S1) of the quantum dot layer 131. It is provided in and further includes a low refractive index pattern 134A having a lower refractive index than the refractive index of the quantum dot layer 131. Accordingly, compared to the window 100D shown in FIG. 6, the window 100F according to the sixth modification example has a lower intensity of light incident on the light receiving surface 141 of the solar cell 140 through the light collecting part 130F. The amount can be increased.

Figure 9 is a rear view of a window system including windows according to an embodiment of the present invention. Referring to FIG. 9, a window system 1000 according to an embodiment of the present invention includes a window 100, an electric energy storage unit E, and a functional element. Additionally, the window system 1000 may further include an external window frame 200. Since the window 100 according to an embodiment of the present invention and the windows 100A to 100F according to its modifications have been described in detail above, the remaining components will be described below.

The electrical energy storage unit E is a component that stores electrical energy generated from the solar cell 140. The electrical energy storage unit (E) is installed within the window frame (120). The electrical energy storage unit E may be implemented as a secondary battery, for example. Additionally, the electrical energy storage unit E may be connected to the solar cell 140 with a wire (not shown) to receive electrical energy from the solar cell 140.

A functional device is a device that performs a predetermined function using electrical energy stored in the electrical energy storage unit (E). For example, the functional element may include one or more of a sensor unit (S), a communication unit (CU), a color change film (F), and a control unit (C). The sensor unit S may include one or more of a touch sensor, an image sensor, an illumination sensor, and a temperature sensor. Additionally, the sensor unit S may be installed on the window 110, as shown in FIG. 9, but is not limited thereto, and may also be installed on the window frame 120. The communication unit (CU) is a component that transmits information received from a functional element to a user's terminal (not shown) or receives a signal from the user's terminal. For example, the communication unit (CU) may perform wireless communication. The communication unit (CU) may be implemented as a communication module mounted on a printed circuit board (P). The color-changing film (F) is a film whose color changes depending on the control signal from the control unit (C). The control unit (C) is a component for controlling one or more of the sensor unit (S), communication unit (CU), and color change film (F). The control unit (C) may be implemented as a CPU mounted on the printed circuit board (P).

The external window frame 200 extends along the outer surface of the window frame 120 and movably supports the window frame 120. For example, referring to FIG. 9, the external window frame 200 is connected to the window frame 120 by a hinge H, and supports the window frame 120 so that the window frame 120 can move forward or backward. can do. Additionally, the external window frame 200 may support the window frame 120 so that the window frame 120 can be moved relative to the external window frame 200 in a sliding manner.

The window system 1000 according to the third feature of the embodiment of the present invention includes a window 100; An electrical energy storage unit (E) installed in the window frame 120 extending along the edge of the window 110 of the window 100; and a functional element electrically connected to the electric energy storage unit (E) and installed on the window 100, wherein the window 100 includes the window 110, and the window 110 is a light concentrator. (130) and one or more solar cell modules (SCM) having solar cells 140 disposed on the sides of the light collection unit 130, wherein the light collection unit 130 receives sunlight (SL). A quantum dot layer 131 having a first surface (S1) and a second surface (S2) facing the first surface (S1); and a first light-transmitting member 132 stacked on the second surface (S2) of the quantum dot layer 131.

In addition, the window system 1000 according to the fourth feature of the embodiment of the present invention includes a window 100D; An electric energy storage unit (E) installed in the window frame 120 extending along the edge of the window 110D of the window 100D; and a functional element electrically connected to the electric energy storage unit (E) and installed on the window (100D), wherein the window (100D) includes the window (110D), and the window (110D) is a light concentrator. (130D) and at least one solar cell module (SCMD) having a solar cell 140 disposed on a side of the light collecting part 130D, wherein the light collecting part 130D receives sunlight SL. A quantum dot layer 131 having a first surface (S1) and a second surface (S2) facing the first surface (S1); and a light transmitting member 136 laminated on the first surface (S1) of the quantum dot layer 131.

Accordingly, for example, the electric energy generated from the solar cell 140 can be stored and used while preventing damage to the original functions of the windows 100 and 100D, such as opening and closing the windows 100 and 100D. .

Figure 10 is a flowchart of a method of manufacturing a window system including windows according to an embodiment of the present invention. With reference to FIG. 10 , a method of manufacturing a window system 1000 including a window 100 according to an embodiment of the present invention will be described as follows.

In step 310, one or more solar cell modules (SCMs) including a light collection unit 130 and solar cells 140 disposed on the sides of the light collection unit 130 are prepared.

In step 320, one or more solar cell modules (SCM) are placed while electrically connecting the solar cell 140 and the electric energy storage unit (E). For example, the solar cell 140 and the electric energy storage unit E may be electrically connected to each other by a wire. Additionally, referring to FIGS. 1 and 9 , when the window 110 includes a plurality of solar cell modules (SCMs), the plurality of solar cell modules (SCMs) may be arranged in the form of tiles.

In step 330, the window system 1000 is manufactured by housing one or more solar cell modules (SCM) and the electric energy storage unit (E) while electrically connecting the functional elements to the electric energy storage unit (E). For example, the electrical energy storage unit (E) and the functional element may be connected to each other by one or more of wires and a printed circuit board (P). Additionally, one or more solar cell modules (SCMs) may be housed by a front panel and a rear panel. The electrical energy storage unit (E) is housed by the window frame (120). For example, when the window system 1000 includes an external window frame 200, the window system 1000 is installed by connecting or inserting the window on which the electric energy storage unit (E) and the functional element are installed to the external window frame 200. This can be manufactured.

The present invention has been shown and described focusing on the preferred embodiments of the attached exemplary drawings, but is not limited thereto and is within the scope of the technical idea of the present invention as set forth in the following claims. Of course, it can be implemented in various forms.

100 ~ 100F: Windows 110 ~ 110F: Windows
120: Window frame 130 ~ 130F: Light concentrator
131: quantum dot layer 132: first light transmitting member
133: first low refractive index layer 133A: low refractive index layer
134: Second low refractive pattern 134A: Low refractive pattern
135: second light transmission member 136: light transmission member
140: solar cell 141: light receiving surface
200: external window frame 1000: window system
A: Outside air C: Control unit
CU: Communication unit E: Electrical energy storage unit
F: Color-changing film H: Hinge
P: Printed circuit board S: Sensor unit
S1: Side 1 S2: Side 2
SCM ~ SCMF: Solar module SL: Photovoltaic

Claims (13)

In windows including windows,
The window includes one or more solar cell modules having a light concentrator and solar cells disposed on sides of the light concentrator,
The light concentrator
A quantum dot layer having a first surface on which sunlight is incident and a second surface opposing the first surface; and
A first light transmitting member laminated on the second side of the quantum dot layer
Includes,
The light concentrator further includes a first low refractive index layer that is laminated between the quantum dot layer and the first light transmitting member and has a refractive index lower than that of the quantum dot layer,
The light concentrator further includes a second light transmitting member stacked on the first side of the quantum dot layer,
The window is provided on the first surface of the quantum dot layer and further includes a second low refractive index pattern having a lower refractive index than the quantum dot layer. delete delete In windows including windows,
The window includes one or more solar cell modules having a light concentrator and solar cells disposed on sides of the light concentrator,
The light concentrator
A quantum dot layer having a first surface on which sunlight is incident and a second surface opposing the first surface; and
A first light transmitting member laminated on the second side of the quantum dot layer
Includes,
The window is provided on the second surface of the quantum dot layer and further includes a first low refractive index pattern having a lower refractive index than the quantum dot layer. delete delete In windows including windows,
The window includes one or more solar cell modules having a light concentrator and solar cells disposed on sides of the light concentrator,
The light concentrator
A quantum dot layer having a first surface on which sunlight is incident and a second surface opposing the first surface; and
A light transmitting member laminated on the first side of the quantum dot layer.
Includes,
The window is provided on the first surface of the quantum dot layer and further includes a low refractive index pattern having a refractive index lower than that of the quantum dot layer. delete delete Windows and doors described in paragraph 1 or 4;
an electric energy storage unit installed in a window frame extending along an edge of the window of the window; and
A window system electrically connected to the electrical energy storage unit and comprising a functional element installed on the window. Windows and doors described in paragraph 7;
an electric energy storage unit installed in a window frame extending along an edge of the window of the window; and
A window system electrically connected to the electrical energy storage unit and comprising a functional element installed on the window. The window system of claim 10, wherein the functional element includes one or more of a sensor unit, a communication unit, and a control unit. The window system of claim 11, wherein the functional element includes one or more of a sensor unit, a communication unit, a color changing film, and a control unit.

Images