LOW-REFLECTION LOW-E COATED GLASS FOR ENHANCED ENERGY EFFICIENCY.

Abstract

The invention relates to a coated glass (10) with high visible transmittance and low internal and external reflection, structured for use in architectural applications and vehicles.

Description

1 TARIFF LOW-REFLECTION LOW-E, ENHANCED FOR ENERGY EFFICIENCY. COATED GLASS TECHNICAL FIELD The invention involves a glass that is translucent to daylight and heat-insulating, and contains infrared radiation. It involves a low-emissivity (low-e) coating with reflective layers. PREVIOUS TECHNIQUE One of the factors that differentiates the optical properties of glasses is the treatment applied to the glass surface. These are coating applications. One of the coating applications is in a vacuum environment. It is a magnetic field-assisted sputtering method. Especially suitable for architectures with low-e properties. 15 and is a frequently used method in the production of automotive coatings. The mentioned Glass coated using this method exhibits properties in the visible, near-infrared, and infrared regions. Transmittance and reflectivity values ​​can be achieved at the targeted levels. In addition to transmittance and reflectivity values, coated glass also has a selectivity value of 20. Selectivity is an important parameter. In the ISO 9050 (2003) standard, the visible area It is defined as the ratio of the transmittance value to the solar factor. Coatings The selectivity values ​​also include the number of Ag layers and the nucleating layer used. type, at targeted levels through parametric optimizations of layers It can be held. 25 The coating mentioned in patent number US11565968B2 contains at least one silver. essential functional metallic layer, silver-based functional metallic layer at least one zinc-based metallic layer on and / or under it It is located on this silver-based functional metallic layer mentioned. and / or a zinc-based layer positioned underneath the functional layer There is at least one nickel oxide-based layer separating the two layers. 2 In conclusion, our invention represents a novel coated glass development in the relevant technical field. It relates to its structure. A BRIEF DESCRIPTION OF THE INVENTION The present invention eliminates the aforementioned disadvantages and the related technical It is about coated glass, aiming to bring new advantages to the field. The main goal of the invention is to create a coated glass with high transparency. Another aim of the invention is to create a coated glass with reduced internal and external reflection. to reveal. Another aim of the invention is to create a coated glass with reduced angular color value variation. to reveal. 15 All the purposes mentioned above and those that will emerge from the detailed explanation below. The present invention can be used in architectural applications and vehicles. properly structured, with high visible transmittance and low internal and external It is a coated glass that contains at least one functional layer with reflectivity. This is called 20. According to the invention, the characteristic feature is achieving the targeted transmittance and reflection. In order to be able to do this, high refractive indexing devices are positioned to make contact with the glass. A primary dielectric in the form of a oxide with a thickness range of 12 nm to 35 nm. layer; medium refractive index dielectric located on the aforementioned first dielectric layer It contains a secondary dielectric layer with zinc in oxide form; medium refractive index 25 a fourth dielectric layer containing zinc in oxide form and the fourth dielectric oxide or nitride or oxynitride positioned to contact the layer It contains a fifth dielectric layer in its form. Another preferred configuration of the invention is a primary dielectric layer of TiOx, TiNx, 30 At least one of the following materials: TiOxNy, TiSiZrOxNy, NbNx, NbOx, NbOxNy, NbZrOx or that it includes several of them. 3 Another preferred configuration of the invention involves a fifth dielectric layer containing Si. It is the fact that. Another preferred configuration of the invention is that the coating has at least one primary It contains a functional layer. 5 Another preferred configuration of the invention is when the glass is arranged outwards, a second functional layer located on top of the first functional layer of the coating It contains layers. Another preferred configuration of the invention is the first functional layer and the second. It must contain at least a third dielectric layer between the functional layers. Another preferred configuration of the invention is the aforementioned third dielectric layer. preferably it should have a high refractive index. 15 Another preferred configuration of the invention is the aforementioned third dielectric layer. It contains a barrier layer underneath. BRIEF DESCRIPTION OF THE FIGURE 20 Figure 1 provides a representative general view of coated glass. Figure 2 shows a representative alternative view of coated glass. Figure 3 shows another representative alternative view of coated glass. REFERENCE NUMBERS GIVEN IN THE FIGURE Coated glass 30 Covering 21 First Dielectric Layer 22 Second Dielectric Layer 23 First Functional Layer 4 24 First Barrier Layer Third Dielectric Layer 26 Second Functional Layer 27 Second Barrier Layer 28 Fourth Dielectric Layer 5 29. Fifth Dielectric Layer DETAILED DESCRIPTION OF THE INVENTION In this detailed description, the subject of the invention is coated (20) glass (10) only 10 of the subject. with examples that will not create any limiting effect on a better understanding It is explained. Production of multilayer coated (20) glass (10) for architecture and automotive applications. It is performed using the sputtering method (also known as splashing in the technique). 15 This invention is generally used as daylight permeable and heat insulating glass (10), multilayer coated (20) glasses (10), the multilayer coating mentioned (20) It is related to its content and application. The subject of the invention is multilayer coated (20) glass. (10), also in insulated glass units and laminated structures for the architectural and automotive sectors. It is available. 20 The term "optical performance" mentioned in the invention refers to the second surface of a double-glazed unit. visible region light for multilayer coated glass (20) (10) in use. transmittance (hereinafter referred to as %Tvis), total solar energy its transmittance, visible region internal and external reflection values, and 25 in single-pane use. CIE L*, a*, b* represent color values. The term high transmittance refers to double glazing. In its unit, it defines 68% and above. The term low reflection refers to double glazing. It represents 12% or less per unit. The subject of the invention is the breaking of all layers in (10) multilayer coated (20) glass 30 optical constants obtained from single-layer measurements with indexes These refractive indices were determined using computational methods. The refractive indices in question are 550. These are refractive index data in nm. Preferred both for ease of production and for its optical properties. Experimental carried out to improve the multilayer coating (20) array The following data were obtained as a result of the studies. Sputtering method 5 in order to obtain multilayer coated (20) glass (10). By using, multiple metals, metal oxides and located on the glass (10) surface Multilayer coating consisting of metal nitride / oxynitride layers (20) It has been developed. The layers in question are layered on top of each other in a vacuum environment. They are being accumulated. Heat treatment includes tempering, partial tempering, annealing, At least one or more of the lamination and bending processes together 10 It is available for use. The term "high refractive index" used in this invention encompasses the range between 2.2 and 2.7. The term medium refractive index encompasses the range between 1.8 and 2.2. The term low refractive index... It includes values ​​below 1.8. 15 The coating (20) that is the subject of the invention contains at least 1 functional layer. Reflection values ​​of coated (20) glass (10) thanks to coating (20) It can be reduced. The subject of the invention is a multilayer coating (20); a first dielectric on glass (10) layer (21) is located. The first dielectric layer (21) mentioned is; glass (10) positioned to make contact and at least one layer in the dielectric structure It contains. The first dielectric layer (21) is SixNy, SiOxNy, ZnAlNx, ZnAlOx, ZnAlOxNy, ZnSnNx, ZnSnOx, ZnSnOxNy, TaOx, TaOxNy, TiOx, TiNx, TiOxNy, 25 TiSiZrOxNy, ZrNx, ZrOx, ZrOxNy, SiZrN, SiZrOx, SiZrOxNy, WZrOx, NbNx, NbOx, NbOxNy contains at least one or more of the NbZrOx materials. In the preferred application, the first dielectric layer (21) contains TiOx. Preferred In an alternative application, the first dielectric layer (21) contains NbOx. The thickness of the first dielectric layer (21) is between 12 nm and 35 nm. Preferred In practice, the thickness of the first dielectric layer (21) is between 15 nm and 31 nm. preferably the thickness of the first dielectric layer (21) is between 18 nm and 28 nm. 6 The refractive index of the materials used in the first dielectric layer (21) is between 1.8 and 1.8. It is between 2.7. In the preferred application, the first dielectric layer (21) The refractive index of the materials used is between 2.2 and 2.7. Thus, the first using a high index material in the dielectric layer (21) compared to glass (10) It helps to reduce the external reflection values ​​of coated (20) glass (10). 5 Second dielectric layer (22) on the first dielectric layer (21) It is located. The second dielectric layer mentioned (22) is ZnAlNx, ZnAlOx, At least one of the following materials: ZnAlOxNy, ZnSnNx, ZnSnOx, ZnSnOxNy It includes several of them together. In the preferred application, the second dielectric layer is 10 (22) Contains ZnAlOx. The thickness of the second dielectric layer (22) is between 1.5 nm and 15 nm. Preferred In practice, the thickness of the first dielectric layer (22) is between 2 nm and 12 nm. preferably the thickness of the first dielectric layer (22) is between 2 nm and 8 nm. 15 The second dielectric layer (22) is followed by a first functional layer (23) has the property of a nucleating layer. Therefore, the second dielectric layer thickness (22) and coating parameters of multilayer coating (20) It is particularly important in terms of its electrical properties. The second dielectric 20 The refractive index of the materials used in layer (22) is between 1.8 and 2.2. A first functional layer (23) on the second dielectric layer (22) It is located as the first functional layer (23) Ag layer. It is used. The thickness of the first functional layer is between 5 nm and 19 nm. 25 In the preferred application, the thickness of the first functional layer (23) is between 5 nm and 16 nm. It is between 7 nm and 13 nm. The most preferable first functional layer (23) thickness is 7 nm to 13 nm. It is among them. A first barrier layer (24) on top of the first functional layer (23) 30 It is located. The first barrier layer (24) consists of NiCr, NiCrOx, TiOx, ZnSnOx, At least one of ZnAlOx or ZnOx is used. The first one is preferred in the application. The barrier layer (24) contains one of ZnAlOx, NiCr or NiCrOx. The invention is a In the application, NiCr is used as the first barrier layer (24). The invention 7 In another alternative application, NiCrOx as the first barrier layer (24). It is used. In one application of the invention, the first barrier layer (24) is used. ZnAlOx is used. The first barrier layer (24) is the functional layer (23) This ensures that it does not deteriorate and that its infrared reflective properties are preserved. Red six, the wavelength range of the electromagnetic spectrum from 780 nm to 50 µm 5 It defines it. If NiCrOx is used as the first barrier layer (24), its thickness is 0.5 nm It is between 6 nm. In the preferred application, the first barrier layer (24) When NiCrOx is used, the thickness is between 0.5 nm and 5 nm. Preferably 10 If NiCrOx is used as the first barrier layer (24), its thickness is 1 nm. It is between 3 nm. If NiCr is used as the first barrier layer (24), its thickness is 0.5 nm. It is between nm. In the preferred application, the first barrier layer (24) is 15 When NiCr is used, the thickness is between 0.5 nm and 4 nm. Preferably... If NiCr is used as the first barrier layer (24), its thickness is between 0.5 nm and 2 nm. It is between nm. If ZnAlOx is used as the first barrier layer (24), its thickness is between 2 nm and 20 nm. It is between 8 nm. In the preferred application, the first barrier layer (24) When ZnAlOx is used, the thickness is between 2 nm and 7 nm. Preferably... If ZnAlOx is used as the first barrier layer (24), its thickness is 2 nm. It is between 6 nm. A third dielectric layer (25) on top of the first barrier layer (24) It is located. The third dielectric layer (25) is TiOx, TiNx, TiOxNy, TiSiZrOxNy, At least one of the following materials: NbNx, NbOx, NbOxNy, NbTiOx, NbZrOx It includes several of them together. The thickness of the third dielectric layer (25) is between 40 nm and 100 nm. Preferred In practice, the thickness of the third dielectric layer (25) is between 45 nm and 90 nm. The most preferable thickness of the third dielectric layer (25) is between 50 nm and 75 nm. Two an optical path over 100 nm to be positioned between the functional layers 8 The use of a third dielectric layer (25) makes the coating (20) both inside and outside. This contributes to a decrease in reflection values. In this context, a third dielectric layer is a preferred application of the invention. (25) A material with a high refractive index is used. The invention is a 5 In its application, the third dielectric layer (25) contains NbOx. An alternative In other applications, the third dielectric layer (25) contains NbTiOx. A second functional layer (26) on the third dielectric layer (25) It is located. The Ag layer is the second functional layer (26) 10 It is used. The thickness of the second functional layer (26) is between 6 nm and 20 nm. Among them. In the preferred application, the thickness of the second functional layer (26) is 6 It is between nm and 17 nm. The most preferable second functional layer (26) thickness is 8 nm. It is between 14 nm. Second barrier layer (27) on the second functional layer (26) It is located. The second barrier layer (27) consists of NiCr, NiCrOx, TiOx, ZnSnOx, At least one of ZnAlOx or ZnOx is used. The invention has a preferred designation. ZnAlOx is used as the second barrier layer (27) in the application. The invention In another application, NiCr is used as the second barrier layer (27). 20 In another alternative application of the invention, NiCrOx as the second barrier layer (27) It is used. The thickness of the second barrier layer (27) is between 0.5 nm and 10 nm. Preferred In practice, the thickness of the second barrier layer (27) is between 1 nm and 8 nm. EN 25 preferably the thickness of the second barrier layer (27) is between 2 nm and 7 nm. If NiCrOx is used as the second barrier layer (27), its thickness is 0.5 nm It is between 6 nm. In the preferred application, the second barrier layer (27) When NiCrOx is used, the thickness is between 0.5 nm and 5 nm. Preferably 30 If NiCrOx is used as the second barrier layer (27), its thickness is 1 nm. It is between 3 nm. 9 If NiCr is used as the second barrier layer (27), its thickness is between 0.5 nm and 5 nm. It is between nm. In the preferred application, NiCr is used as the second barrier layer (27). If used, its thickness is between 0.5 nm and 4 nm. The second most preferred method is... If NiCr is used as the barrier layer (27), its thickness is between 0.5 nm and 2 nm. It is among them. 5 If ZnAlOx is used as the second barrier layer (27), its thickness is 0.5 nm. It is between nm. In the preferred application, the second barrier layer (27) When ZnAlOx is used, the thickness is between 1 nm and 8 nm. Preferably... If ZnAlOx is used as the second barrier layer (27), its thickness is between 2 nm and 7 10 It is between nm. A fourth dielectric layer (28) on top of the second barrier layer (27) It is located. The fourth dielectric layer (28) is SixNy, SiOx, SiOxNy, ZnAlNx, ZnAlOx, ZnAlOxNy, ZnSnNx, ZnSnOx, ZnSnOxNy, TaOx, TaOxNy, TiOx, TiNx, 15 TiOxNy, TiSiZrOxNy, ZrNx, ZrOx, ZrOxNy, SiZrN, SiZrOx, SiZrOxNy, WZrOx, one or more of the materials NbNx, NbOx, NbOxNy, NbZrOx together It includes. In the preferred application, the fourth dielectric layer (28) contains ZnSnOx. 20 The thickness of the fourth dielectric layer (28) is between 18 nm and 50 nm. Preferred In the implemented application, the thickness of the fourth dielectric layer (28) is between 23 nm and 45 nm. It is between 27 nm and 40 nm. The most preferable fourth dielectric layer (28) thickness is 27 nm to 40 nm. It is among them. A fifth dielectric layer (29) on top of the fourth dielectric layer (28) It is located as the fifth dielectric element (29) SixNy, SiOx, SiOxNy, ZnAlNx, ZnAlOx, ZnAlOxNy, ZnSnNx, ZnSnOx, ZnSnOxNy, TaOx, TaOxNy, TiOx, TiNx, TiOxNy, TiSiZrOxNy, ZrNx, ZrOx, ZrOxNy, SiZrN, SiZrOx, SiZrOxNy, WZrOx, At least one or more of the following materials: NbNx, NbOx, NbOxNy, NbZrOx, together in 30 It includes. In the preferred application, the fifth dielectric layer (29) SixNy It includes. The thickness of the fifth dielectric layer (29) is between 1 nm and 13 nm. Preferred In practice, the thickness of the fifth dielectric layer (29) is between 1 nm and 10 nm. preferably the thickness of the fifth dielectric layer (29) is between 2 nm and 7 nm. The subject of the invention is the coating (20) between the glass (10) and the first functional layer (23) 5 and preferably a first with high refractive index to contact the glass (10). Use of the dielectric layer (21) and the first dielectric layer (21) mentioned above. Low thickness and medium fracture located between the first functional layer (23) The use of a second dielectric layer with index (22) is of critical importance. In one application of the invention, the second dielectric layer (22) is the first dielectric layer 10 (21) and the first functional layer (23) are in contact. In this way, the coated (20) contributes to reducing the reflection values ​​of the glass (10). The fourth dielectric layer (28) used as the last two layers in the coating (20) and The combined use of the fifth dielectric layer (29) is similarly coated (20) 15 This contributes to reducing the reflection values ​​of the glass (10). In this combination mentioned alongside, especially the fifth dielectric layer (29) Being in a nitride structure, the coating's (20) resistance to external mechanical factors It increases. In addition to all this, the dielectric used in the coating (20) The fact that the layers are in oxide form contributes to the chemical resistance of the structure. 20 It increases. The optical path of the third dielectric layer (25) in the coating (20) is 100 This is critical for achieving the targeted optical performance above nm. In this context... The ratios of the other dielectric layers to the third dielectric layer (25) are also 25 It is important to achieve low reflectivity and high transmittance values. optical path of the third dielectric layer (25) in the mentioned coating (20), fourth dielectric layer (28) and fifth dielectric layer (29) optical paths The ratio of the total should be between 1.6 and 2.0. Also... Similarly, to achieve low reflectivity and high transmittance values ​​30 optical path of the third dielectric layer (25) to the first dielectric layer (21) The ratio of the optical path to the optical path should also be between 2.3 and 2.7. Along with these... the optical path of the first dielectric layer (21), the fourth dielectric layer (28) and 11 The ratio of the fifth dielectric layer (29) to the total of the optical paths is also less than 1. It is important. If these ratios are achieved, the coating (20);  Internal and external reflection values ​​are below 12%,  The apparent transmittance value is above 68%,  Angular color change between 0-75 degrees is on the order of ± 1 and  Both the glass (10) side and the coating (20) side have a reflection a* value between 0 and -3 Between the values, the reflection b* value is between 0 and +3, 10 This ensures that it is neutral in order to serve aesthetic purposes. (20) glass (10) with high transmittance and low reflection coating in shades It can be obtained. The g value of the coated (20) glass (10) is between 25-65%. It can be held. 15 One application of the invention is as follows: Glass / first dielectric layer (21) / second dielectric layer (22) / first functional layer(23) / second barrier layer(27) / fourth dielectric layer(28) / fifth 20 dielectric layer (29). An example application of the invention is as follows: - Glass (10) - A first dielectric layer in the form of a high refractive index oxide (21) 25 - A second dielectric layer containing zinc in oxide form with medium refractive index (22) - First functional layer (23) - A fourth dielectric layer containing zinc in oxide form with a medium refractive index. (28) - A fifth dielectric containing Si in the form of oxide, nitride, or oxynitride 30 layer (29) Preferably the first dielectric layer (21) is in contact with the glass (10). Thus The external reflection values ​​of coated (20) glass (10) are reduced. In addition, the fourth 12 The dielectric layer (28) is also in contact with the fifth dielectric layer (29). Thus, the optical performance values ​​of coated (20) glass (10) are targeted It can be obtained at various levels. Accordingly, the structure of the invention is as follows: 5 - Glass (10) - TiOx, TiNx, TiOxNy, TiSiZrOxNy, NbNx, NbOx, NbOxNy, NbZrOx a primary dielectric containing at least one or more of its materials layer (21), 10 - ZnAlNx, ZnAlOx, ZnAlOxNy, ZnSnNx, ZnSnOx, ZnSnOxNy a second dielectric layer containing at least one or more of its materials (22), - First functional layer containing Ag (23), - The second 15 contains at least one of NiCr, NiCrOx, TiOx, ZnSnOx, ZnAlOx, ZnOx. barrier layer (27), - ZnAlNx, ZnAlOx, ZnAlOxNy, ZnSnNx, ZnSnOx, ZnSnOxNy, fourth dielectric containing at least one or more of its components layer (28), - SixNy, SiOxNy, ZnAlNx, ZnAlOxNy, ZnSnNx, ZnSnOxNy, TaOxNy, TiNx, 20 TiOxNy, TiSiZrOxNy, ZrNx, ZrOxNy, SiZrN, SiZrOxNy, NbNx, NbOxNy a fifth dielectric layer containing at least one or more of its materials (29) includes. Another application of the invention is as follows: Glass / first dielectric layer (21) / second dielectric layer (22) / first functional layer (23) / first barrier layer (24) / third dielectric layer(25) / second functional layer (26) / second barrier layer (27) / fourth dielectric layer 30 (28) / fifth dielectric layer (29). 13 Accordingly, the structure of the invention is as follows: - Glass (10) - TiOx, TiNx, TiOxNy, TiSiZrOxNy, NbNx, NbOx, NbOxNy, NbZrOx a primary dielectric containing at least one or more of its materials 5 layer (21), - ZnAlNx, ZnAlOx, ZnAlOxNy, ZnSnNx, ZnSnOx, ZnSnOxNy a second dielectric layer containing at least one or more of its materials (22), - First functional layer containing Ag (23), 10 - The first one contains at least one of NiCr, NiCrOx, TiOx, ZnSnOx, ZnAlOx, ZnOx. barrier layer (24) - TiOx, TiNx, TiOxNy, TiSiZrOxNy, NbNx, NbOx, NbOxNy, NbTiOx, NbZrOx a third dielectric layer containing at least one or more of its materials (25), 15 - Second functional layer containing Ag (26), - The second one contains at least one of NiCr, NiCrOx, TiOx, ZnSnOx, ZnAlOx, ZnOx. barrier layer (27), - SixNy, SiOx, SiOxNy, ZnAlNx, ZnAlOx, ZnAlOxNy, ZnSnNx, ZnSnOx, ZnSnOxNy, TaOx, TaOxNy, TiOx, TiNx, TiOxNy, TiSiZrOxNy, ZrNx, ZrOx, 20 ZrOxNy, SiZrN, SiZrOx, SiZrOxNy, WZrOx, NbNx, NbOx, NbOxNy, NbZrOx fourth dielectric containing at least one or more of its components layer (28), - SixNy, SiOx, SiOxNy, ZnAlNx, ZnAlOx, ZnAlOxNy, ZnSnNx, ZnSnOx, ZnSnOxNy, TaOx, TaOxNy, TiOx, TiNx, TiOxNy, TiSiZrOxNy, ZrNx, ZrOx, 25 ZrOxNy, SiZrN, SiZrOx, SiZrOxNy, WZrOx, NbNx, NbOx, NbOxNy, NbZrOx a fifth dielectric layer containing at least one or more of its materials (29) includes. The scope of protection of the invention is specified in the claims attached hereto and is strictly limited to these 30 The detailed explanation cannot be limited to the examples given. Because in technology... A specialist, without deviating from the main theme of the invention, will do what is described above. It is clear that similar structures can emerge in light of this. 35

Claims

14 REQUESTS 1. The invention is suitable for use in architectural applications and vehicles. structured, with high visible transmittance and low internal and external a coated (20) 5 containing at least one functional layer with reflection glass (10) has the feature of achieving the targeted transmittance and reflection. positioned to make contact on the glass (10) in order to be able to In high refractive index oxide form and with a thickness range of 12 nm to 35 nm. a first dielectric layer (21); the aforementioned first dielectric layer (21) a second 10 containing zinc in oxide form with medium refractive index located on it It contains a dielectric layer (22).

2. According to claim 1, a coated (20) glass (10) has the property of; first dielectric layer (21) TiOx, TiNx, TiOxNy, TiSiZrOxNy, NbNx, NbOx, NbOxNy, It must contain at least one or more of the NbZrOx components. 15 3. According to claim 1, it is a coated (20) glass (10) and its characteristic is; fifth (29) is that the dielectric layer contains Si.

4. According to claim 1, a coated (20) glass (10) has the characteristic that the coating is at least 20 It contains at least one first functional layer (23).

5. According to claims 1 and 4, it is a coated (20) glass (10) and its characteristic is that it is made of glass. (10) when arranged outwards, the first functional of the coating (20) a second functional layer (26) located on the layer (23) 25 It contains.

6. According to claim 5, it is a coated (20) glass (10) and its feature is; first there must be at least one functional layer (23) between the first functional layer (26) and the second functional layer (26) It contains a third dielectric layer (25). 30 7. According to claim 6, it is a coated (20) glass (10) and its feature is; mentioned The third dielectric layer (25) should preferably have a high refractive index.

8. According to claim 5, it is a coated (20) glass (10) and its feature is; mentioned It contains a barrier layer (24) under the third dielectric layer (25). It is the fact that.

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