TWI723840B - One-way perspective anti-glare heat insulation film and one-way perspective anti-glare heat insulation glass - Google Patents
One-way perspective anti-glare heat insulation film and one-way perspective anti-glare heat insulation glass Download PDFInfo
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Abstract
一種單向透視抗強光隔熱玻璃,透過由高、低折射率層堆疊而成的光學單元,反射由外界入射的日光,以達成隔熱並有效減少內部光反射的效果,此外,再配合光學調整層的設置,還可調整光的穿透率,使玻璃的內外側具有不同比例的光穿透率。此外,本發明還同時提供一種單向透視抗強光隔熱膜。A one-way perspective anti-glare heat-insulating glass that reflects the sunlight incident from the outside through the optical unit formed by stacking high and low refractive index layers to achieve the effect of heat insulation and effectively reduce internal light reflection. In addition, with The setting of the optical adjustment layer can also adjust the light transmittance, so that the inner and outer sides of the glass have different ratios of light transmittance. In addition, the present invention also provides a one-way anti-glare heat insulation film at the same time.
Description
本發明是有關於一種隔熱膜及隔熱玻璃,特別是指一種具有單向透視抗強光特性的隔熱膜及隔熱玻璃。The present invention relates to a heat-insulating film and heat-insulating glass, in particular to a heat-insulating film and heat-insulating glass with unidirectional anti-glare properties.
為了減少紫外線的照射及隔絕熱能以減少室內溫度上升,越來越多人會選擇在車子的玻璃或是建築的門窗玻璃使用具有防曬及隔熱效果的防曬隔熱膜,以達到防曬及節能的目的。In order to reduce ultraviolet radiation and heat energy to reduce indoor temperature rise, more and more people choose to use sunscreen and heat insulation film on the glass of the car or the door and window glass of the building to achieve sun protection and energy saving. purpose.
目前常用於建築或車用玻璃的防曬隔熱膜材料大致為金屬及陶瓷兩大類。金屬鍍膜較便宜且外觀可較多樣化,然而,金屬鍍膜的老化程度較快,此外,金屬鍍膜因材料特性關係,容易影響電子訊號,且在車內/室內的反光嚴重,尤其是在夜晚燈色昏暗時,更易因室內/車內的光線造成嚴重反光,而導致車內/室內人員眼睛的不適。陶瓷防曬隔熱膜具有不影響電子訊號、低反光性、隔熱性佳且穩定性高的優點,然而,材料選擇性較少,價格昂貴。At present, the sunscreen and heat insulation film materials commonly used in building or automotive glass are roughly divided into two categories: metal and ceramics. Metal coating is cheaper and its appearance can be more diversified. However, the aging degree of metal coating is faster. In addition, due to material characteristics, metal coating is easy to affect electronic signals, and the reflection in the car/indoor is serious, especially at night. When the color is dim, it is more likely to cause serious reflections from indoor/car light, which may cause eye discomfort for people in the car/indoor. Ceramic sunscreen insulation film has the advantages of not affecting electronic signals, low reflectivity, good thermal insulation and high stability. However, the material selection is less and the price is expensive.
因此,本發明的目的,即在提供一種單向透視抗強光隔熱膜。Therefore, the purpose of the present invention is to provide a one-way anti-glare heat insulation film.
於是,本發明的單向透視抗強光隔熱膜,用於貼合於一透光基材反向日光的內表面。Therefore, the one-way perspective anti-glare heat insulation film of the present invention is used to adhere to the inner surface of a light-transmitting substrate that reverses sunlight.
該單向透視抗強光隔熱膜包含依序形成的一透明光學膠層、一光學單元、一底塗單元、一支撐層、一光學調整層,及一強化層。The one-way see-through anti-glare heat insulation film includes a transparent optical adhesive layer, an optical unit, a primer unit, a support layer, an optical adjustment layer, and a strengthening layer formed in sequence.
該透明光學膠層供貼合於該透光基材的內表面。The transparent optical adhesive layer is used for bonding to the inner surface of the transparent substrate.
該光學單元與該透明光學膠層的表面連接,由多層高折射率層及低折射率層交錯堆疊而成,其中,該等高折射率層為五氧化三鈦,該等低折射率層為二氧化矽,且該光學單元是以低折射率層與該透明光學膠層連接。The optical unit is connected to the surface of the transparent optical adhesive layer, and is formed by staggered stacking of multiple high refractive index layers and low refractive index layers, wherein the high refractive index layers are titanium pentoxide, and the low refractive index layers are Silicon dioxide, and the optical unit is connected to the transparent optical adhesive layer with a low refractive index layer.
該底塗單元形成於該光學單元上,由無機材料構成,且與該光學單元接觸的表面粗糙度不大於50nm。The primer unit is formed on the optical unit and is composed of inorganic materials, and the surface roughness in contact with the optical unit is not greater than 50 nm.
該支撐層與該底塗單元連接,由透光率大於90%且霧度小於1%的高分子材料構成。The support layer is connected with the primer unit and is composed of a polymer material with a light transmittance of greater than 90% and a haze of less than 1%.
該光學調整層與該支撐層連接,用於調整光穿透率至介於40~70%之間。The optical adjustment layer is connected to the support layer for adjusting the light transmittance to be between 40% and 70%.
該強化層與該支撐層連接,由硬度大於F,且透光度不小於90%的無機材料構成。The strengthening layer is connected to the support layer and is made of inorganic materials with a hardness greater than F and a light transmittance of not less than 90%.
其中,該單向透視抗光隔熱膜的霧度小於3%,且該單向透視抗強光隔熱膜的兩相反側具有不同的光穿透率。Wherein, the haze of the one-way anti-glare heat insulation film is less than 3%, and the two opposite sides of the one-way anti-glare heat insulation film have different light transmittances.
此外,本發明的另一目的,即在提供一種單向透視抗強光隔熱玻璃。In addition, another object of the present invention is to provide a one-way perspective anti-glare heat-insulating glass.
於是,本發明的單向透視抗強光隔熱玻璃,包含一玻璃基材,及一單向透視抗強光隔熱膜。Therefore, the one-way anti-glare heat-insulating glass of the present invention includes a glass substrate and a one-way anti-glare heat-insulating film.
該玻璃基材具有一反向日光的內表面。The glass substrate has an inner surface that reverses sunlight.
單向透視抗強光隔熱膜貼合於該內表面,並具有如前所述結構。The one-way perspective anti-glare heat insulation film is attached to the inner surface and has the structure as described above.
本發明的功效在於:透過由高、低折射率層堆疊而成的光學單元,有效反射由外界入射的日光,達成隔熱並呈現單一色彩光反射的效果,此外,再配合光學調整層的設置,還可調整光的穿透率,使玻璃的內外側具有不同比例的光穿透率。The effect of the present invention is: through the optical unit stacked by high and low refractive index layers, it can effectively reflect the sunlight incident from the outside, achieve the effect of heat insulation and present a single color light reflection, and in addition, cooperate with the setting of the optical adjustment layer , Can also adjust the light transmittance, so that the inside and outside of the glass have different ratios of light transmittance.
在本發明被詳細描述之前,應當注意在以下的說明內容中,類似的元件是以相同的編號來表示。此外,圖式中僅為表示元件及膜層之間的空間關係,並非各元件及膜層的實質厚度、尺寸或相對比例關係。Before the present invention is described in detail, it should be noted that in the following description, similar elements are denoted by the same numbers. In addition, the drawings only show the spatial relationship between the elements and the film layers, not the actual thickness, size, or relative proportions of the elements and film layers.
參閱圖1與圖2,本發明單向透視抗強光隔熱玻璃的一實施例,包含一玻璃基材2,及一單向透視抗強光隔熱膜3。1 and 2, an embodiment of the one-way anti-glare heat-insulating glass of the present invention includes a
該玻璃基材2可以一般建築物的玻璃門窗,或是車輛的擋風玻璃、玻璃窗,具有一反向日光照射方向的內表面21。The
該單向透視抗強光隔熱膜3包含一貼合於該內表面21的透明光學膠層31,以及自該透明光學膠層31依序堆疊的一光學單元32、一底塗單元33、一支撐層34、一光學調整層35,及一強化層36。The one-way anti-glare
該透明光學膠層31具有一高透光性的透明膠體311,及分散於該透明膠體311的光吸收劑312。該透明膠體311可選自如壓克力膠等光學膠材,該光吸收粒子312選自可吸收紫外光及/或紅外光的紫外光吸收劑及紅外光吸收劑的其中至少一種。利用該光吸收劑312的摻混可進一步吸收入射光的能量,而提升隔熱效果。The transparent optical
要說明的是,該光吸收劑312也可視需求而不摻混,也就是說,於一些實施例中,該透明光學膠層31也可以是僅由具有高透光性的透明膠體311構成而不包含該光吸收劑312。It should be noted that the light absorber 312 may also not be blended according to requirements. That is to say, in some embodiments, the transparent optical
該光學單元32形成於該透明光學膠層31的表面,是由多層低折射率層321及高折射率層322交錯堆疊且至少堆疊4層而得。其中,該等低折射率層321為二氧化矽(SiO
2),該等高折射率層322為五氧化三鈦(Ti
3O
5),且考慮光線的反射問題,該光學單元32是以低折射率層321與該透明光學膠層31連接。圖1是以該光學單元32由4層高、低折射率層322、321堆疊而得,然實際實施時該高、低折射率層322、321的堆疊層數可視該光學單元32的需求設計而有不同數量,並不以此堆疊層數為限。
The
值得一提的是,該光學單元32除了利用高、低折射率層322、321的堆疊層數及各層厚度的控制,而可具有對外界入射光具有高反射率,以及可令內部光線具有高穿透率之外,也依據反射光譜的設計而具有不同反射光色,而可讓該單向透視抗強光隔熱膜3的外觀可因該光學單元32反射光色的不同,而顯現不同的顏色。It is worth mentioning that the
該底塗單元33由無機材料構成,且為了令該光學單元32可順利藉由該底塗單元33與該支撐層34接著並表現較佳的密著性,該底塗單元33與該光學單元32接觸面的表面粗糙度不大於50nm。The
具體的說,該底塗單元33可單獨具有一層由金屬氧化物或一氧化矽的其中一種材料構成的底塗層,或是如圖1所示,同時具有一由一氧化矽構成並形成於該光學單元32上的第一底塗層331,及一形成於該第一底塗層331上,由金屬氧化物構成的第二底塗層332。Specifically, the
於一些實施例中,該金屬氧化物選自氧化鋯,且該第一底塗層331與該第二底塗層332的表面粗糙度均不大於50nm。In some embodiments, the metal oxide is selected from zirconia, and the surface roughness of the
藉由該底塗單元33作為介質,可有效提升該光學單元32的與該支撐層34的密著性,避免該光學單元32剝離,而可提升該單向透視抗強光隔熱膜3的使用壽命。By using the
該支撐層34選自透光度不小於90%,且霧度不大於1%的高分子材料構成,例如聚酯、環狀烯烴共聚物,或聚醯亞胺等。用於令該單向透視抗強光隔熱膜3具有基本的支撐性,以方便該單向透視抗強光隔熱膜3的使用操作,並不影響該單向透視抗強光隔熱膜3的基本光學性質。The
該光學調整層35用於調整光穿透率至介於40~70%之間,以便於控制入射光線及出射光線的光入射及穿透量。該光學調整層35為利用染料進行光線吸收,可利用塗佈等方式形成於該支撐層34上,並可視需求透過製程控制而令該光學調整層35為具有至少兩種光穿透度變化的漸變光學膜,或是具有單一光穿透率的全版膜。The
以本新型該單向透視抗強光隔熱膜3為應用於車子的玻璃為例,當應用於前擋玻璃時,該光學調整層35可以是將其調整為令該前擋玻璃上側具有較低光穿透率,避免陽光直射干擾駕駛;於靠近主視線區則具有較高穿透率以避免光限不足影響視線,而令該光學調整層35具有至少兩種自該前擋玻璃由上向下的光穿透度變化的漸變光學膜。而當應用於車子的門窗玻璃時,則可使用具有單一光穿透率的該光學調整層35,而可令該單向透視抗強光隔熱膜3有更廣泛的應用。Taking the one-way anti-glare
此外,透過該光學單元32對外界入射光的高反射性以及內部光線高穿透的特性,讓該單向透視抗強光隔熱膜3的兩相反側具有不同的光穿透率,還可令該單向透視抗強光隔熱膜3具有單向透視的特性。特別是夜間使用時,可令車內/室內光線具有高穿透性,可不影響夜間視線,並對外部入射光線具有高反射性,無法清楚自外界觀測內部,而可具有更佳的隱蔽性。In addition, the high reflectivity of the
前述該光學調整層35所用的染料種類為相關技術領域者所週知且非為本發明之重點,因此,於此不多加說明。The aforementioned dyes used in the
該強化層36由硬度大於F(鉛筆硬度測試)且透光度不小於90%的無機材料構成,可用於保護該光學調整層35不易受到損壞。於一些實施例中,該強化層36選自氧化鋯為構成材料。The strengthening
前述該單向透視抗強光隔熱膜3的製作是以該支撐層34為基礎,分別在該支撐層34的相對兩側,利用塗佈方式各自形成該光學調整層35、該強化層36,以及該底塗單元33,之後再利用低溫濺鍍方式於該底塗單元33上形成依序交錯堆疊的該光學單元32,最後再於該光學單元32表面形成該透明光學膠層31,即可製得該單向透視抗強光隔熱膜3。之後,將該單向透視抗強光隔熱膜3貼合在該玻璃基材2的內表面21,即可得到該單向透視抗強光隔熱玻璃。The aforementioned one-way perspective anti-glare
參閱圖2,要說明的是,前述該單向透視抗強光隔熱膜3於貼合在該玻璃基材2前,於該透明光學膠層31反向該光學單元32的表面可先覆蓋一層可撕離地移除的離型層37。利用該離型層37隔離保護該透明光學膠層31,並可於使用時將該離型層37撕除即可利用該透明光學膠層31與該基材2的內表面21貼合,而得到該單向透視抗強光隔熱玻璃。Referring to FIG. 2, it should be noted that, before the one-way anti-glare
此外,要再說明的是,前述該單向透視抗強光隔熱玻璃,其所需要的光學性質在不同場所會有不同要求,可藉由調整該單向透視抗強光隔熱膜3而得。例如,當該單向透視抗強光隔熱玻璃是一般建築的玻璃門窗時,該單向透視抗強光隔熱膜3的霧度僅需控制在不大於3%即可。而若該單向透視抗強光隔熱玻璃是車輛的擋風玻璃時,該單向透視抗強光隔熱膜3的霧度則需控制在不大於1%,以同時滿足車輛安全的規範。In addition, it should be further explained that the required optical properties of the aforementioned one-way anti-glare heat-insulating glass have different requirements in different places, and the one-way anti-glare heat-insulating
綜上所述,本發明透過由在透明光學膠層31摻混光吸收劑312,並利用搭配由高、低折射率層322、321交錯堆疊而成的光學單元32,令自外界入射的日光可被該光學單元32有效反射,達成高隔熱效果,此外,該單向透視抗強光隔熱膜3具有高反射率,可呈現單一色彩的反射光線,故僅部份波段的光線穿過該單向透視抗強光隔熱膜3進入室內或車內,而利用光學調整層35的染料吸收光線,還可有效減低光線的內反射,而可解決習知因金屬隔熱膜所造成的內反射問題。此外,透過光學調整層35的光穿透度漸變設計,車子的玻璃(如擋風玻璃上週緣非正常視區) 具有由上週緣朝著下週緣,使光線穿透度具比例遞增變化出射的光線量,提高在正常視區內自車內看外界環境的可視度,此外,透過該光學單元32可使單向透視抗強光隔熱膜3具有單向透視的特性,而得以在不同環境下具隱蔽性,即使外界光線昏暗時,自車內看外界依舊清晰明亮,而不影響行車視線,故確實能達成本發明的目的。To sum up, the present invention is made by mixing the
惟以上所述者,僅為本發明的實施例而已,當不能以此限定本發明實施的範圍,凡是依本發明申請專利範圍及專利說明書內容所作的簡單的等效變化與修飾,皆仍屬本發明專利涵蓋的範圍內。However, the above are only examples of the present invention. When the scope of implementation of the present invention cannot be limited by this, all simple equivalent changes and modifications made in accordance with the scope of the patent application of the present invention and the content of the patent specification still belong to Within the scope covered by the patent of the present invention.
2:玻璃基材 21:內表面 3:單向透視抗強光隔熱膜 31:透明光學膠層 311:透明膠體 312:光吸收劑 32:光學單元 321:低折射率層 322:高折射率層 33:底塗單元 331:第一底塗層 332:第二底塗層 34:支撐層 35:光學調整層 36:強化層 37:離型層2: Glass substrate 21: inner surface 3: One-way perspective anti-glare insulation film 31: Transparent optical adhesive layer 311: transparent colloid 312: light absorber 32: Optical unit 321: low refractive index layer 322: high refractive index layer 33: Primer unit 331: The first primer 332: second primer 34: support layer 35: Optical adjustment layer 36: Strengthening layer 37: Release layer
本發明的其他的特徵及功效,將於參照圖式的實施方式中清楚地呈現,其中: 圖1是一示意圖,說明本發明單向透視抗強光隔熱玻璃的該實施例的膜層結構;及 圖2是一示意圖,說明該單向透視抗強光隔熱膜具有離型層的結構態樣。 Other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, in which: Figure 1 is a schematic diagram illustrating the film structure of this embodiment of the one-way perspective anti-glare heat-insulating glass of the present invention; and 2 is a schematic diagram illustrating the structure of the one-way anti-glare heat insulation film with a release layer.
2:玻璃基材 2: Glass substrate
21:內表面 21: inner surface
3:單向透視抗強光隔熱膜 3: One-way perspective anti-glare insulation film
31:透明光學膠層 31: Transparent optical adhesive layer
311:透明膠體 311: transparent colloid
312:光吸收劑 312: light absorber
32:光學單元 32: Optical unit
321:低折射率層 321: low refractive index layer
322:高折射率層 322: high refractive index layer
33:底塗單元 33: Primer unit
331:第一底塗層 331: The first primer
332:第二底塗層 332: second primer
34:支撐層 34: support layer
35:光學調整層 35: Optical adjustment layer
36:強化層 36: Strengthening layer
Claims (9)
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TW201100850A (en) * | 2009-06-26 | 2011-01-01 | Fih Hong Kong Ltd | Lens and electronic device thereof |
JP2015108790A (en) * | 2013-12-06 | 2015-06-11 | コニカミノルタ株式会社 | Light reflective member |
CN108885285A (en) * | 2016-03-25 | 2018-11-23 | 柯尼卡美能达株式会社 | Optical reflection film and back light for liquid crystal display device unit |
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