CN103670222A - Device with thermally insulating light-guiding film - Google Patents
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- CN103670222A CN103670222A CN201210337839.5A CN201210337839A CN103670222A CN 103670222 A CN103670222 A CN 103670222A CN 201210337839 A CN201210337839 A CN 201210337839A CN 103670222 A CN103670222 A CN 103670222A
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Abstract
一种具有隔热光导膜的装置,装置为一个或多个具有调整入射光量承载装置的载体,其中承载装置可调整角度,如同百叶窗上的叶片,各叶片上可设有隔热光导膜。此例的隔热光导膜主要由一多层膜膜体与表面结构层所组成,多层膜膜体由多层高分子相邻不同折射率的聚合物材料薄膜组成,可通过调整其中材料成份与厚度控制欲反射的光波段,而表面结构层结合于多层膜膜体的一侧,用以引导入射至隔热光导膜的光线的路径。经结合隔热光导膜与百叶窗,可以依需求调整光线入射至此隔热光导膜的角度,同时提供隔热、防眩光与照明的功能。
A device with a heat-insulating light-conducting film, the device is one or more carriers with a carrying device for adjusting the amount of incident light, wherein the carrying device can adjust the angle, like the blades on a Venetian blind, and each blade can be provided with a heat-insulating light-conducting film. The heat-insulating light-conducting film in this example is mainly composed of a multi-layer film body and a surface structure layer, and the multi-layer film body is composed of multiple layers of adjacent polymer material films with different refractive indices, and the light band to be reflected can be controlled by adjusting the material composition and thickness, and the surface structure layer is combined with one side of the multi-layer film body to guide the path of light incident on the heat-insulating light-conducting film. By combining the heat-insulating light-conducting film with the Venetian blind, the angle of light incident on the heat-insulating light-conducting film can be adjusted as needed, while providing heat insulation, anti-glare and lighting functions.
Description
技术领域 technical field
本发明涉及一种具有隔热光导膜的装置,特别是贴附有隔热光导膜的一种可调整光源射入室内光量的窗口装置。 The invention relates to a device with a heat-insulating light-guiding film, in particular to a window device with a heat-insulating light-guiding film that can adjust the amount of light entering the room from a light source. the
背景技术 Background technique
一般常见的多层膜是由多层折射率相异的薄膜迭合而组成的,通过多层薄膜的搭配,可以产生不多的效果,比如隔热、滤光、偏光、防眩光等效果,由多层不用材料的薄膜所构成,主要成份为高分子聚合物。 Generally, the common multilayer film is composed of multilayer films with different refractive indices. Through the combination of multilayer films, few effects can be produced, such as heat insulation, light filtering, polarization, anti-glare and other effects. It is composed of multi-layer films of different materials, and the main component is high molecular polymer. the
以隔热效果为例,隔热膜是以反射或吸收太阳热能为手段达成隔热的效果,主要是通过多层薄膜内特殊材质产生反射或是吸收红外线的目的,比如在多层膜的表面形成金属反射涂层,金属成份如银、钛,铁,铝等,能直接把能量反射出室外,此类反射隔热方式虽然可以阻隔太阳热能,但同时导致室内反光。若以吸收太阳热能为手段,热可能会堆积在隔热膜内,并可能二次放热,造成隔热效果不佳的问题。 Taking the heat insulation effect as an example, the heat insulation film achieves the heat insulation effect by means of reflecting or absorbing solar heat, mainly through the special material in the multilayer film to produce reflection or absorb infrared rays, such as on the surface of the multilayer film Metal reflective coatings are formed. Metal components such as silver, titanium, iron, aluminum, etc. can directly reflect energy outside. Although this type of reflective insulation can block solar heat, it also causes indoor reflection. If the means of absorbing solar heat is used, the heat may be accumulated in the heat insulation film, and the heat may be released again, resulting in the problem of poor heat insulation effect. the
隔热膜的相关前案可参考公告于2011年8月1日的中国台湾专利第I346215号所披露的一种纳米结构光学隔热膜片,所提出的光学隔热膜片为在备置的基材上形成纳米结构层与金属层,其中金属层即用于光线照射时阻绝红外线以达到隔热效果,此案提及金属层的材质为金、银、铝、镍、铜、铬、氧化锡及氧化铟锡(ITO)的其中之一。此类利用金属材料达到阻绝红外线的隔热手段即可能造成堆积热能的问题。 For the relevant previous cases of heat insulation film, please refer to a kind of nanostructure optical heat insulation film disclosed in Chinese Taiwan Patent No. I346215 announced on August 1, 2011. The proposed optical heat insulation film is prepared A nanostructure layer and a metal layer are formed on the base material, and the metal layer is used to block infrared rays when light is irradiated to achieve heat insulation effect. The material of the metal layer mentioned in this case is gold, silver, aluminum, nickel, copper, chromium, oxide One of tin and indium tin oxide (ITO). Such heat insulation means using metal materials to block infrared rays may cause the problem of accumulating heat energy. the
就导光的效果而言,一般多层膜结构导光的方式即通过其中多层不同折射率的薄膜转变光的路径,但并无有效将室外光透过导光的方式形成照明的用途的解决方案。 As far as the effect of light guide is concerned, the general way of guiding light with multilayer film structure is to change the path of light through multiple layers of films with different refractive indices, but there is no way to effectively pass outdoor light through the light guide to form lighting. solution. the
发明内容 Contents of the invention
本发明提供一种兼具隔热与导光效果的多层膜结构,特别是结合于一可调整光源射入室内光量的窗口装置,如百叶窗,实施例提供在百叶窗上的叶片上贴附一种隔热光导膜,利用多层膜结构的设计,并配合表面结构产生光学特性,达成隔热并同时具有导光功能的结构,而此功能还配合可以调整光源射入角度的装置,控制入射此种隔热光导膜的角度。 The invention provides a multi-layer film structure with both heat insulation and light guiding effects, especially combined with a window device that can adjust the amount of light entering the room from a light source, such as blinds. The embodiment provides that a A heat-insulating light-guiding film, which uses the design of the multi-layer film structure and cooperates with the surface structure to produce optical characteristics to achieve a heat-insulating and light-guiding structure. This function is also combined with a device that can adjust the incident angle of the light source to control the incident The angle of this kind of thermal insulation light guide film. the
根据本说明书所描述的实施方式,具有多层膜结构可有效反射红外线波段,利用干涉原理反射红外线,可具有隔热的效果,且与市面添加金属氧化物来吸收红外线的原理不同,热量不会堆积于多层膜结构内,也不会再放热。 According to the embodiment described in this specification, the multi-layer film structure can effectively reflect the infrared band, and use the interference principle to reflect infrared rays, which can have the effect of heat insulation, and is different from the principle of adding metal oxides to absorb infrared rays on the market, and the heat will not Stacked in the multi-layer film structure, it will no longer release heat. the
根据发明实施例,隔热光导膜的主要结构有由多层高分子聚合物材料薄膜组成的多层膜膜体,其中相邻的薄膜具有不同的折射率,通过调整多层膜膜体的材料成份与厚度控制欲反射的光波段;隔热光导膜还包括与多层膜膜体相结合的表面结构层,表面结构层用以引导入射至此隔热光导膜的光线的路径。上述多层膜膜体与表面结构层可以使用一胶体相结合。隔热光导膜还在上述两个元件之间提供一基材。 According to an embodiment of the invention, the main structure of the heat-insulating light-guiding film is a multi-layer film body composed of multi-layer polymer material films, wherein adjacent films have different refractive indices, and by adjusting the material of the multi-layer film body The composition and thickness control the wavelength band of light to be reflected; the heat-insulating light-guiding film also includes a surface structure layer combined with the multi-layer film body, and the surface structure layer is used to guide the path of light incident on the heat-insulating light-guiding film. The above-mentioned multi-layer film body and the surface structure layer can be combined using a colloid. The thermally insulating light directing film also provides a substrate between the above two elements. the
上述隔热光导膜也可形成在另一载体上的结构,此载体由一个或第一个具有调整入射光量功能承载装置所组成,形成的装置如百叶窗,承载装置可为叶片。其中隔热光导膜与载体的结合可以表面结构层之侧贴附于载体,而表面结构层与载体之间的空隙填有一低折射率胶,比如是一具有特定光学特性的气体,可藉此产生隔热或是隔绝特定光波段的效果。 The heat-insulating and light-guiding film can also be formed on another carrier. This carrier is composed of one or the first carrying device with the function of adjusting the incident light. The formed device is like a shutter, and the carrying device can be a blade. The combination of the heat-insulating light-guiding film and the carrier can be attached to the carrier on the side of the surface structure layer, and the gap between the surface structure layer and the carrier is filled with a low refractive index glue, such as a gas with specific optical properties, which can be used Produces the effect of heat insulation or isolation of specific light bands. the
在其中隔热光导膜特征,通过调整上述多层膜膜体的材料成份与厚度阻绝一红外线光线,并可能通过一延伸工艺形成为具有各方向上折射率不同的偏光性。上述表面结构层的剖面优选呈现一几何形状,延伸在整个基材表面上,并为延伸在其表面上的柱状结构。而此柱状结构可为单一或混合多种型式的柱状结构。 Among them, the heat-insulating light-guiding film is characterized by adjusting the material composition and thickness of the above-mentioned multi-layer film body to block an infrared ray, and may be formed to have polarized light with different refractive indices in various directions through a stretching process. The cross-section of the above-mentioned surface structure layer preferably presents a geometric shape extending on the entire surface of the substrate, and is a columnar structure extending on the surface. And the columnar structure can be a single or a mixture of multiple types of columnar structures. the
在另一实施例中,上述多层膜膜体可由一个或多个具有个别功能的多层膜模块组成,各多层膜模块由多层相邻不同折射率的薄膜所组成。 In another embodiment, the above-mentioned multilayer film body may be composed of one or more multilayer film modules with individual functions, and each multilayer film module is composed of multiple adjacent thin films with different refractive indices. the
附图说明 Description of drawings
图1显示本发明隔热光导膜实施例的一示意图; Fig. 1 shows a schematic diagram of an embodiment of the heat-insulating light-guiding film of the present invention;
图2显示本发明隔热光导膜实施例的二示意图; Fig. 2 shows two schematic diagrams of the embodiment of heat-insulating light-conducting film of the present invention;
图3显示本发明隔热光导膜实施例的三示意图; Fig. 3 shows three schematic diagrams of an embodiment of the heat-insulating light-conducting film of the present invention;
图4A至图4E显示本发明隔热光导膜实施例设计示意图; Figures 4A to 4E show a schematic diagram of the design of an embodiment of the heat-insulating light-guiding film of the present invention;
图5示意显示本发明隔热光导膜的表面结构实施例之一; Figure 5 schematically shows one of the surface structure embodiments of the heat-insulating light-guiding film of the present invention;
图6示意显示本发明隔热光导膜的表面结构实施例之二; Figure 6 schematically shows the second embodiment of the surface structure of the heat-insulating light-guiding film of the present invention;
图7A与图7B显示本发明隔热光导膜应用于窗户上的装置实施例; Figure 7A and Figure 7B show the embodiment of the device in which the thermal insulation light guide film of the present invention is applied to the window;
图8显示本发明具隔热光导膜的装置的实施例示意图; Figure 8 shows a schematic diagram of an embodiment of a device with a heat-insulating light-conducting film of the present invention;
图9A、9B显示本发明隔热光导膜设于承载装置上的实施例示意图; Figures 9A and 9B show schematic diagrams of an embodiment of the heat-insulating light-guiding film of the present invention disposed on a carrier device;
图10A、图10B显示本发明具隔热光导膜的装置的实施例示意图。 10A and 10B show schematic diagrams of an embodiment of a device with a heat-insulating light-guiding film according to the present invention. the
【主要元件符号说明】 【Description of main component symbols】
表面结构层101 多层膜膜体103
光源10,20,30 光线11,12,13
表面结构层201 多层膜膜体205 Surface structure layer 201 Multilayer film body 205
光线21,22,23 基材203 Rays 21,22,23 Substrate 203
光线31,32,33 多层膜膜体32
Rays 31, 32, 33
表面结构层301 第一多层膜模块303
第二多层膜模块305 第三多层膜模块307
The second
光源40
角度θ1,θ2,θ3,θ4 表面结构401,401’
Angle θ1, θ2, θ3,
基材403 多层膜膜体405
表面结构402 基材404
多层膜膜体406 表面结构53,63
基材51,61 载体70
表面结构层701 基材703
多层膜膜体705 胶体707
窗口8 窗82
隔热光导膜801 承载装置92
Heat insulation
表面结构层901 基材903
多层膜膜体905 叶片12
连动绳索101 隔热光导膜14
具体实施方式 Detailed ways
本说明书描述一种隔热光导膜与应用此结构的装置,其中隔热光导膜的主体包括有一多层膜结构,主要由多层高分子聚合物互相堆叠形成,通过多层相邻不同折射率的薄膜的组合,使得此多层膜结构实现为不同功能的功能膜,特别是能有效反射红外线的隔热功能。所结合的装置为由一个或多个具有调整角度功能的承载装置结合形成的一载体,比如为设于窗口的装置,隔热光导膜设于其中具有可以调整角度的承载装置上,因此可以通过调整承载装置的角度而同时调整光线入射此隔热光导膜的角度。 This specification describes a heat-insulating light-guiding film and a device using this structure, wherein the main body of the heat-insulating light-guiding film includes a multi-layer film structure, which is mainly formed by stacking multiple layers of high molecular polymers. The combination of high-efficiency thin films makes this multi-layer film structure a functional film with different functions, especially the heat insulation function that can effectively reflect infrared rays. The combined device is a carrier formed by combining one or more bearing devices with the function of adjusting the angle, such as a device installed on the window. The angle of the carrying device is adjusted while adjusting the angle of light incident on the thermal insulation light guide film. the
其中所揭示的隔热光导膜的主要实施方式可参考图1所示的结构示意图。 The main implementation manner of the heat-insulating light-guiding film disclosed therein can refer to the structural schematic diagram shown in FIG. 1 . the
图中显示有一组合多个多层膜形成的一个多层膜结构,比如由20至200层基础薄膜堆叠而成,相邻的薄膜具有不同的折射率,整体可为至少两种折射率的薄膜(至少两种材料)所组成,多层膜结构的厚度皆在可见光波长范围内。其中包括有一表面结构层101与多层膜膜体103,膜体103结构因为组合多层高分子聚合物薄膜而具有一定的结构刚性,而其一侧的表面形成具有一定表面微结构图案的表面结构层101。
The figure shows a multi-layer film structure formed by combining multiple multi-layer films, for example, stacked by 20 to 200 layers of basic films, adjacent films have different refractive indices, and the whole can be a film of at least two refractive indices (at least two materials), the thickness of the multilayer film structure is in the wavelength range of visible light. It includes a
多层膜膜体103由不同折射率的材料相互交叠形成,通过多层膜的设计,可以产生隔热、颜色变化(控制有色光穿透与反射)、偏光、消眩光,或是引导光线产生照明效果等的功能。
The
其中隔热的效果主要是因为本说明书所提出的隔热光导膜可不用添加特定成份来吸收特定波段的光线,而能以反射与干涉方式造成阻绝红外线,或是抗紫外线的效果,同时仅让可见光穿透。另还可利用多层膜或是染料制作出有颜色的多层膜膜体103。调整反射与干涉效果的方式是通过此隔热光导膜中多层膜膜体103的材料成份与厚度调整,实验显示可通过整体多层膜膜体103厚度的调整达到控制反射出去的光波段,也可配合材料的调整产生反射特定波段光的效果。此隔热光导膜并非吸收式,因此热量不会堆积,无须添加任何吸收颗粒,而且偏光的效率高,防止眩光的功能强。
The heat insulation effect is mainly because the heat insulation light guide film proposed in this manual does not need to add specific components to absorb light of a specific wavelength band, but can block infrared rays or resist ultraviolet rays by means of reflection and interference. Visible light penetrates. In addition, the colored
膜体103可利用一共挤出(co-extrusion)工艺一次将多层材料挤出成型;或是利用贴合方式组成多层薄膜的方式。表面结构层101的表面为具有特定图案的微结构,制作方式可利用滚轮或是模板的压印工艺将图案压印在此多层膜膜体103的表面。其中包括在多层膜膜体103制作完成后,于表面压印;或是通过共挤出工艺,与多层膜膜体103一次挤出成型,再于工艺之后半段通过压印步骤在表面形成微结构;或先完成具有此表面结构的膜片,再与多层膜膜体103贴合而成。
The
表面结构层101的功能之一即是可以引导入射此隔热光导膜的光线的路径,比如改变入射至此隔热光导膜的光线将被导引至另一特定方向,比如设有一光源10,产生的光线入射至此隔热光导膜,经由表面结构层101与多层膜膜体103,形成折射光线11、12或是反射光线13。此隔热光导膜可以设计出根据折射或反射光线的需求的结构。
One of the functions of the
较具建设性的实施例如:将室外光(阳光)导引至室内,甚至是导引到室内的上方,形成照明的效果。其他实施例还可配合室内所设置的光导(light guide),让光线有效被导引到需要光线的位置,比如可以通过光导平均分布于室内天花板的位置,有效产生照明的功能。 A more constructive example: guide the outdoor light (sunlight) to the room, or even guide it to the top of the room to form a lighting effect. Other embodiments can cooperate with a light guide installed indoors to allow light to be effectively guided to positions where light is needed. For example, the light guide can be evenly distributed on the ceiling of the room to effectively generate lighting. the
在此基本的隔热光导膜中,具有多层膜片交叠组合而成的多层膜膜体103,多层膜膜体103成型之后,可再施以一延伸工艺,利用单轴(uniaxial stretch)或双轴(biaxial stretch)的延伸工艺,制作出具有偏光效果的多层膜结构。多层膜结构经过一单轴延伸工艺,或是双轴不对称的延伸工艺,产生各向改变材料折射率的效果,可以形成偏光性,双轴延伸方式可有依序双轴或同时双轴延伸,而双轴对称延伸也无偏光性,双轴非对称延伸则具有一定偏光性。
In this basic heat-insulating light-guiding film, there is a
图2显示隔热光导膜的另一实施例示意图。此例的隔热光导膜先备有一基材203,可为玻璃或高分子聚合物形成的基材,于基材203的一侧(此例为光源20侧)制作表面结构层201,表面结构层201优选地是在工艺中利用滚轮或模板压印的方式在基材203表面上形成,这些结构产生的光学效果的用途之一为利用折射原理导引入射结构的光线。连接表面结构层201与基材203的结合手段包括可通过一胶体结合,优选为一种透明胶,比如一种受压力产生黏性的感压胶,或是受光固化贴合的光学胶。 FIG. 2 shows a schematic diagram of another embodiment of a heat-insulating light-guiding film. The heat-insulating light guide film of this example is provided with a substrate 203 first, which can be a substrate formed of glass or polymer, and a surface structure layer 201 is made on one side of the substrate 203 (in this example, the side of the light source 20). The layer 201 is preferably formed on the surface of the substrate 203 by means of roller or template embossing in the process. One of the uses of the optical effects produced by these structures is to guide the light entering the structure by using the principle of refraction. The bonding method for connecting the surface structure layer 201 and the substrate 203 includes bonding through a glue, preferably a transparent glue, such as a pressure-sensitive glue that becomes sticky under pressure, or an optical glue that is cured and bonded by light. the
此隔热光导膜在基材203的另一侧形成一组多层膜膜体205,多层膜膜体205由不同折射率的材料相互交叠形成,通过多层膜的设计,可以阻绝特定光波段的光线,以形成隔热效果,还可通过多层膜的设计控制颜色变化,也就是控制有色光穿透与反射,另也可达成偏光、消眩光,或是引导光线产生照明效果等的功能。一组多层膜膜体205可以通过共挤出工艺(co-extrusion process)一次挤出成型,也可逐层挤出,最后贴合于基材203上,比如以感压胶(PSA)或以光学胶、光固化等方式贴合。 The heat insulating light guide film forms a group of multilayer film bodies 205 on the other side of the substrate 203. The multilayer film bodies 205 are formed by overlapping materials with different refractive indices. Through the design of the multilayer film, specific The light in the light band can form a heat insulation effect, and the color change can also be controlled through the design of the multi-layer film, that is, the penetration and reflection of colored light can be controlled. In addition, it can also achieve polarized light, anti-glare, or guide light to produce lighting effects, etc. function. A group of multi-layer film bodies 205 can be extruded at one time through a co-extrusion process, or extruded layer by layer, and finally attached to the substrate 203, such as pressure-sensitive adhesive (PSA) or Bonding with optical glue, light curing, etc. the
图中显示光源20(如太阳)由表面结构层201的该侧入射隔热光导膜,入射的光线包括直接经过多层结构膜穿透过去的光线21,也包括反射光线23与折射进入的光线22。 The figure shows that the light source 20 (such as the sun) enters the heat-insulating light guide film from the side of the surface structure layer 201. The incident light includes the light 21 that directly passes through the multilayer structure film, and also includes the reflected light 23 and the refracted incoming light. twenty two. the
如前述实施例,此例的表面结构层201可有效引导光线,特别是由室外进入室内,特别是较上方,产生室内照明的效果,或是配合其他光导装 置来达成均匀照明的效果。隔热的效果则可通过调整多层膜膜体205的材料成份与厚度,以控制欲反射的光波段,如红外光的波段,或紫外光波段等。 Like the above-mentioned embodiments, the surface structure layer 201 of this example can effectively guide light, especially from the outside into the room, especially from the upper part, to produce the effect of indoor lighting, or cooperate with other light guide devices to achieve the effect of uniform lighting. The heat insulation effect can be controlled by adjusting the material composition and thickness of the multilayer film body 205 to control the wavelength band of light to be reflected, such as the wavelength band of infrared light or ultraviolet light. the
此例可参考图3显示的隔热光导膜示意图。隔热光导膜包括设于表面上的表面结构层301,其主要功能是能有效将光导引至特定方向,而多层膜膜体32的部分则可模块化,也就是将一或多种功能的多层膜模块303、305、307根据需求组合成为一个多层膜膜体32。
For this example, please refer to the schematic diagram of the thermal insulation light guide film shown in FIG. 3 . The heat insulating light guide film includes a
此例的多层膜膜体32中包括有第一多层膜模块303、第二多层膜模块305与第三多层膜模块307,各多层膜模块同样是通过叠合多层相邻不同折射率的薄膜所组成,通过厚度与各层材料(折射率)的设计产生隔绝或通过特定波段的光的功能,包括产生隔热、颜色变化、偏光、消眩光、导引光线等的效果,膜体32可以依据需求而由一个或多个个别具有特定功能的多层膜模块所组成,因此可以形成多种功能的膜体,包括同时具备隔绝热、偏光性与/或阻绝多种光波段的光线等。各多层膜模块同样可以共挤出工艺挤出成型,或是逐层产生,之后贴合而成。通过多种功能的多层膜模块的设计,可产生过滤特定光波段、偏光、隔热(如阻隔红外光或紫外光)等的效果。
The
多层膜膜体32的表面设有表面结构层301,此结构层301的制作方式包括以下的方式,并且是适用于上述各多层膜结构的实施例中。
The surface of the
工艺包括可在完成的多层膜结构的一侧利用涂布方式,将一高分子材料涂布于多层膜结构的表面,再利用压印方式,以具有表面图案的模板或是滚轮压印成型;或可先形成具有此表面结构的膜片,之后以透明胶贴合于多层膜结构上,透明胶可为一种光学胶,如UV胶,可以光固化、感压胶或热固化方式定型与黏合结构。 The process includes coating a polymer material on the surface of the multilayer film structure by coating on one side of the completed multilayer film structure, and then embossing with a template or roller with a surface pattern by embossing Molding; or a film with this surface structure can be formed first, and then laminated on the multi-layer film structure with transparent glue. The transparent glue can be an optical glue, such as UV glue, which can be light-cured, pressure-sensitive glue or heat-cured Ways to shape and bond structures. the
图3所示的实施例中,表面结构层301与多层膜膜体32之间也可设有一基材(未显示于图3),基材与各层膜的材质多为热塑性的高分子聚合物,如聚甲基丙烯酸甲酯(Poly(Methyl methacrylate),PMMA)、聚碳酸酯树脂(Polycarbonate,PC)、甲基丙烯酸甲酯聚苯乙烯((Methyl methacrylate)Styrene,MS)及聚苯乙烯(Poly Styrene,PS),并聚苯二甲酸二乙酯(Poly(Ethylene Terephthalate),PET),聚萘二甲酸乙二醇酯(Poly(Ethylene Naphthalate),PEN),聚丙烯(Polypropylene,PP)等组成的材料群组中的至少一种材料或其共聚合物体,但不以上述为限。在此所述的材料可适用于上述各实施例所披露的隔热光导膜的各层结构中。
In the embodiment shown in FIG. 3, a substrate (not shown in FIG. 3) may also be provided between the
上述各实施例可应用制作其中多层膜结构的共挤出工艺,将隔热光导膜中多层高分子聚合物材料膜通过一延伸工艺对材料进行单轴或双轴延伸,可以在高分子聚合物材料的各光学膜层之间形成各方向有折射率差的效果,使得此隔热光导膜中膜具有平面上X,Y两个方向不同折射率的特性,或与垂直Z方向有不同折射率的特性。利用延伸工艺对形成双折射材料层的材料作双轴的延伸,其中可以用逐次双轴延伸纵向(MD)延伸数倍,横向(TD)延伸数倍,也可以用同时双轴延伸纵向与横向延伸数倍,而延伸后之不同膜层具有一定的折射率差。 The above-mentioned embodiments can be applied to the co-extrusion process of making the multi-layer film structure, and the multi-layer polymer material film in the heat-insulating light guide film is stretched uniaxially or biaxially through a stretching process. The optical film layers of the polymer material have the effect of refractive index difference in each direction, so that the film in the heat-insulating light guide film has different refractive index characteristics in the X and Y directions on the plane, or different from the vertical Z direction. properties of the refractive index. Use the extension process to perform biaxial extension on the material forming the birefringent material layer, which can be extended several times in the longitudinal direction (MD) by successive biaxial extensions, and extended several times in the transverse direction (TD), or can be extended longitudinally and laterally by simultaneous biaxial extension. After stretching several times, different film layers after stretching have a certain difference in refractive index. the
接着如图4A至图4E等图所示,隔热光导膜的表面结构依据需求与适用环境,可有多种设计。 Next, as shown in FIG. 4A to FIG. 4E , the surface structure of the heat-insulating light-guiding film can be designed in various ways according to requirements and applicable environments. the
图4A至图4E等图所示的实施方式显示表面结构剖面大致呈现一几何型式的结构,如三角形、多边形等规则或不规则的几何形状,此剖面延伸出在结构表面上一整列的结构,也就是具有几何形状的结构体延伸于上述基材或多层膜膜体的表面。 The embodiments shown in Figures 4A to 4E and other figures show that the surface structure section roughly presents a geometric structure, such as regular or irregular geometric shapes such as triangles and polygons. That is, the geometrically shaped structure extends on the surface of the substrate or the multilayer film. the
如图4A,相对于垂直表面的法线(normal line),由此近似三角形的表面结构401的顶点为准,内部形成相对此法线的两个角度(θ1与θ2),其中光源40由形成角度θ1的一边进入表面结构401,形成与法线的角度 θ4。为了达成导引光线穿透并折射向上的效果,根据光路径实验的结果,材料折射率约1.5,其中若θ1约18至30度角、θ2优选约19至27度角。此例有效将光线由一侧(室外光),经穿过基材403与多层膜膜体405的设计(包括厚度与各层、整体折射率),导引至另一侧(室内)的上方,比如穿透光线的角度与法线可有θ3,因此可以产生照明的效果。
As shown in FIG. 4A , relative to the normal line of the vertical surface, the apex of the
另有实施例在光源40有不同入射角度时,上述表面结构401的设计应有修改,如:若表面结构401内一边与法线的夹角为θ1约33至47度角,则θ2优选约15至25度角。
In another embodiment, when the
由于本说明书所描述的隔热光导膜可能设置于室外,如建筑物外窗的表面,可能因为经年累月被室外环境的粒子所侵蚀而产生钝化的结构,如图4B显示隔热光导膜中有钝化现象的表面结构401’,钝化的结果可能导致改变此表面结构的特性,但根据实验,若有适当清洁,或材料上使用或涂布上具有自洁功能的材质或功能性涂层,如钛氧化物中的二氧化钛,或采用细微结构使灰尘等较不易沾黏于上面,皆可避免结构脏污钝化造成功能性降低的问题。这类变化并不会造成实质改变表面结构的光学特性的问题。实施例如图4B所示,如表面结构401’的光学特性并未被影响太多,配合基材403与多层膜膜体405的设计,此隔热光导膜仍能有效将光线导引进入室内。
Since the heat-insulating and light-conducting film described in this specification may be installed outdoors, such as the surface of a building's exterior window, it may have a passivated structure that has been eroded by particles in the outdoor environment for years, as shown in Figure 4B. The surface structure of passivation phenomenon 401', the result of passivation may lead to change the characteristics of this surface structure, but according to the experiment, if it is properly cleaned, or the material is used or coated with a material or functional coating with self-cleaning function , such as titanium dioxide in titanium oxide, or the use of fine structures to make dust less likely to stick to it, can avoid the problem of functional degradation caused by structure contamination and passivation. Such changes do not pose a problem of substantially changing the optical properties of the surface structure. The embodiment is shown in FIG. 4B. If the optical properties of the surface structure 401' are not affected too much, with the design of the
接着如图4C显示的隔热光导膜实施例,隔热光导膜主要有表面结构402与多层膜膜体406,两者可设于基材404的两侧,而此例的光源40由多层膜膜体406之侧射向此隔热光导膜。
Next, as shown in FIG. 4C, the embodiment of the heat-insulating light-guiding film mainly includes a
图中显示的光线由光源40射入隔热光导膜,经由多层膜膜体406、基材404的结构折射以后,射入表面结构402。图式中表示有一垂直基材404表面的法线,而表面结构402剖面为近似三角形的几何型式,法线经过其中三角形顶点,形成上下两个夹角,如图示的θ1与θ2。当光线穿透 多层膜膜体406与基材404,经由夹角为θ1的边反射,再经夹角为θ2的边再一次折射,形成朝向上方的光线。
The light shown in the figure enters the thermal insulation light guide film from the
通过此例所示意描绘的光线轨迹,可以得知本说明书所提出的隔热光导膜可以有效将入射光导向另一边的上方,以利照明的用途。 From the light trajectories schematically depicted in this example, it can be seen that the heat-insulating light guide film proposed in this specification can effectively guide the incident light to the upper side of the other side, so as to facilitate the purpose of lighting. the
根据实验值,图4C所述的隔热光导膜,其中表面结构中的优选几何样态为:θ1优选约25至35度角、θ2优选约1至7度角。 According to the experimental value, the heat-insulating light-guiding film described in FIG. 4C , wherein the preferred geometry of the surface structure is: θ1 is preferably about 25 to 35 degrees, and θ2 is preferably about 1 to 7 degrees. the
需要说明的是,上述几种态样的结构角度依据所设的环境而改变,若光源为阳光,则将依据阳光入射的平均位置(如依照所处环境的地球纬度)进行改变;且可能会因为表面结构的材料的光学特性而改变,如折射率;为达到某种目的,表面结构的设计同样也会考虑此表面结构所配合的多层膜结构产生的光学特性而改变。 It should be noted that the structural angles of the above-mentioned aspects will change according to the set environment. If the light source is sunlight, it will be changed according to the average position of sunlight incident (for example, according to the latitude of the earth in the environment); and may be Because of the optical properties of the material of the surface structure, such as the refractive index; in order to achieve a certain purpose, the design of the surface structure will also take into account the optical properties of the multilayer film structure that the surface structure is matched with. the
另可根据需求,本说明书所描述的隔热光导膜中的表面结构的剖面可为多边形,形成多边形角柱的表面结构特征,如图4D、4E所示。 In addition, according to requirements, the cross-section of the surface structure in the heat-insulating light-guiding film described in this specification can be polygonal, forming the surface structure features of polygonal corner columns, as shown in Figures 4D and 4E. the
图4D示意显示的隔热光导膜,其中表面结构剖面为双边不对称的多边形,光源(参考箭头)由具有表面结构的一侧射入,经过其中结构的设计(包括厚度与折射率),可以将光线导向另一侧,甚至形成折射向上的光线。 Figure 4D schematically shows the heat-insulating light-guiding film, in which the surface structure section is a bilateral asymmetric polygon, and the light source (refer to the arrow) is incident from the side with the surface structure. After the design of the structure (including thickness and refractive index), it can be Direct the light to the other side, even create a refracted upward light. the
相对于图4D所示实施例,图4E的光源先射向多层膜膜体,经由膜体内多层膜的设计,光线可导向另一侧,并经过表面结构的折射,产生另一侧向上的光线。 Compared with the embodiment shown in Fig. 4D, the light source in Fig. 4E first radiates to the multi-layer film body. Through the design of the multi-layer film in the film body, the light can be guided to the other side, and refracted by the surface structure, resulting in the other side upward of light. the
在隔热光导膜上的表面结构层的实施例中,表面结构层的态样将依据需求进行设计,主要功能为引导光线。表面结构层上的微结构可通过模板或是滚轮压印的方式形成,通常为连续有规则变化的结构,如此才能产生稳定且均匀的折射光线。 In the embodiment of the surface structure layer on the heat-insulating light-guiding film, the appearance of the surface structure layer will be designed according to requirements, and its main function is to guide light. The microstructure on the surface structure layer can be formed by template or roller embossing, usually a continuous and regularly changing structure, so as to produce stable and uniform refracted light. the
如图5所示本发明隔热光导膜的表面结构实施例之一,此例显示的表面结构53为在基材51上形成剖面为圆弧柱状的结构特征,并其为延伸至整个或部分基材51表面上的柱状结构。此处显示的基材51也可为上述实施例所描述的多层膜膜体,而省略如玻璃的基材。
As shown in Figure 5, one of the surface structure embodiments of the heat-insulating light-guiding film of the present invention, the
再如图6示意显示的另一表面结构实施例。 Another surface structure embodiment is schematically shown in FIG. 6 . the
此例显示为在基材61上的表面结构63的剖面同样为圆弧形,而其延伸至整个或部分基材63上的结构为具有波浪起伏的表面微结构。此例除了一侧剖面显示为圆弧状以外,柱状体还呈现有高低起伏的改变,形成柱状波浪的型式,此类设计在光学上可以防止干涉产生的亮暗带现象。
This example shows that the cross-section of the
上述表面结构的实施例,包括剖面形状、延伸的柱状结构,皆非用以限制本发明应用于隔热光导膜上的微结构型式。 The above examples of the surface structure, including the cross-sectional shape and the extended columnar structure, are not intended to limit the application of the present invention to the type of microstructure on the heat-insulating light-guiding film. the
图7A与图7B显示本发明隔热光导膜应用于窗户上的装置实施例。 FIG. 7A and FIG. 7B show an embodiment of a device in which the thermal insulation light guide film of the present invention is applied to a window. the
图7A中显示为隔热光导膜设置于一具有透光效果的载体70上,比如利用感压胶(遇压力即产生黏性)或光学胶将隔热光导膜贴附于载体70上的开口处,比如是窗户的玻璃、压克力等透光基板上。
Figure 7A shows that the heat-insulating light-guiding film is set on a
举例来说,上述载体70为建筑物对外开设窗户上的玻璃或透明压克力,隔热光导膜设于载体70的一侧,包括室外侧或是室内侧,若设于室内侧,可以避免外部环境污染与破坏。
For example, the above-mentioned
隔热光导膜主要由多层膜膜体705与表面结构层701所组成,或可再设有基材703,作为多层膜膜体的支撑主体,多层膜膜体705与表面结构层701分别设于基材703的两侧。此例则以多层膜膜体705与载体70结合。
The heat-insulating light guide film is mainly composed of a
当光线由载体70侧(如室外)射向此装置,光线经由载体70进入隔热光导膜,先经过多层膜膜体705的折射与干涉处理,可以根据需求阻绝或反射特定光波段的光线,形成特定光波段才能穿透装置的光线,包括产生偏光性、隔热等效果。之后,光线可经由基材703进入表面结构层701,由表面结构层701的光学特性引导光线射向装置的另一侧(如室内),经由表面结构层701的引导,可以产生特定功效,比如形成室内的照明用光源。
When the light is irradiated to the device from the side of the carrier 70 (such as outdoors), the light enters the heat-insulating light guide film through the
图7B所显示的实施例则特别将隔热光导膜的表面结构层701之侧贴附于载体70上。
In the embodiment shown in FIG. 7B , the side of the
由于表面结构层701具有表面微结构,并非一平面,因此在贴附至载体70表面时,使用如感压胶或光学胶等胶体作为其连接手段时,胶体707应会填满微结构与载体70表面之间的空隙中,且最后也形成具有对应表面微结构的表面结构,为了避免这具有表面结构的胶体707改变其光学特性,可使用一种接近空气折射率的低折射率胶707(折射率约1.2~1.4,接近空气),如一种氟系或硅官能基胶。
Since the
再根据另一实施例,表面结构层701与载体70之间的空隙也可充满一具有特定光学特性的气体,这类气体的光学特性包括可以充满不改变现有装置的光学特性的气体、液体或其他物体,也可包括具有隔热或是隔绝特定光波段的效果的气体,比如:氩气、氪气、氙气等导热性比空气低的气体,藉此产生隔热效果,或是能够提高保温能力的惰性气体,或是其他可以隔热(反射红外线)、隔绝紫外线效果的气体或液体。
Still according to another embodiment, the space between the
根据上述各种应用本发明所提出的隔热光导膜的实施态样,在隔热光导膜表面上的为结构型式可以不用单一结构特征,可为混合多种型式的结构特征,比如同时混合圆弧柱状与三角柱状的结构于一表面结构中,产生依据特定需求的光学特性,比如可以符合不同入射光线角度的需要。举例 来说,室外阳光从早到晚有不同的角度,若施以混合型的表面结构,不同时间的不同入射角度都可能因为表面结构而有效入射至室内。 According to the various implementations of the heat-insulating light-guiding film proposed by the present invention, the structure pattern on the surface of the heat-insulating light-guiding film may not be a single structural feature, but may be a mixture of multiple types of structural features, such as mixing circles at the same time. The arc-column and triangular-column structures in a surface structure generate optical properties according to specific requirements, such as meeting the requirements of different incident light angles. For example, outdoor sunlight has different angles from morning to night. If a mixed surface structure is applied, different incident angles at different times may be effectively incident indoors due to the surface structure. the
第一实施例: First embodiment:
图8显示本发明具有隔热光导膜的装置的实施例之一。 Figure 8 shows one of the embodiments of the device of the present invention having a thermally insulating light directing film. the
此例显示有一窗口8,其中设有一可转动的窗82,结构细节并不在此详述,重点在于窗82本身的结构枢接于窗口8上,比如中间的部分,两端与窗口8的结构衔接,可以自由转动。
This example shows a
窗82本身为隔热光导膜801的载体,此例仅有一个可以调整入射光量的承载装置,也就是窗82本身,其他实施例如图10A、10B所示,有多个承载装置结合形成载体,形成一如百叶窗的装置。
The
可以调整角度的窗82的一个表面上设有隔热光导膜801,因此随着窗82的角度变化,也改变光线入射此隔热光导膜801的角度,藉此可以依据使用者需求修正入射光的光径。比如通过改变窗82的角度调整由此隔热光导膜801引导光线的照明角度,或是因此可以调整其他光学上的功效。
One surface of the
接着如图9A显示具有多个可调整角度的承载装置92的窗,各个承载装置92上设有由表面结构层901、基材903与多层膜膜体905组成的隔热光导膜。整体形成的载体有如一设于建筑物对外窗口的百叶窗,而百叶窗上设有的多个承载装置结构上可为多个连动调整角度的长板状叶片。
Next, as shown in FIG. 9A , a window with multiple angle-
此例中,多个承载装置92可以通过结构设计连动,比如百叶窗装置常用来带动各叶片的连结绳索,藉此可以调整入射光量,也可调整光线射向承载装置92上隔热光导膜的角度,通过光学特性的改变产生不同的功效,比如调整隔热的效果、因为表面结构层901的角度而调整光线路径造成的照明角度、照明亮度、光线射入空间的视觉效果等。
In this example, a plurality of supporting
根据图中显示的实施例,各贴附于承载装置92上的隔热光导膜通过多层膜膜体95的侧面贴附于各承载装置92上。实际实施时,可以不用全部的承载装置92都设有隔热光导膜,也可依据需要仅在部分的承载装置92设有隔热光导膜。
According to the embodiment shown in the figure, each heat-insulating light guide film attached to the carrying
根据图9B所显示的实施例,其中隔热光导膜通过其中表面结构层901的侧面贴附于承载装置92表面上,如百叶窗上的各叶片表面上。同样地,实施时可以不用全部的承载装置92都设有隔热光导膜,也可依据需要仅在部分的承载装置92设有隔热光导膜。
According to the embodiment shown in FIG. 9B , the thermal insulation and light guide film is attached to the surface of the carrying
在图9B的实施例中,隔热导光膜中的表面结构层901与叶片之间具有空隙,在贴附时可填有一低折射率胶,低折射率胶的用意在于不会影响经过的光线的原有路径,避免影响设计。而这些空隙同样如图7B的实施方式,可以充满一具有特定光学特性的气体,比如可以具有隔热或是隔绝特定光波段的效果的气体,或是气体为导热性比空气低的气体,加强原有隔热导光膜所产生的功效。
In the embodiment of FIG. 9B, there is a gap between the
根据上述图9A与图9B显示的实施例,承载装置92即如百叶窗上可以连动调整角度的多个长板状叶片,而且其全部或部分表面设有隔热光导膜,可参考图10A、10B所示具有隔热光导膜的装置的实施例。
According to the above-mentioned embodiment shown in FIG. 9A and FIG. 9B, the supporting
图10A显示有一百叶窗关闭的样态,百叶窗结构包括上下悬挂多个长板状叶片12的吊杆,多个叶片12由连接上下悬挂装置的连动绳索101依序结合,可以通过外部控制机构带动连动绳索101上各支撑叶片12的位置移动,经由各支撑点的相对关系改变,而控制叶片12的转动角度,因此达到控制入射光量的效果。
Figure 10A shows the closed state of the louver. The structure of the louver includes a suspender that hangs multiple long plate-shaped
图10B接着显示百叶窗开启状态的示意图,其中多个叶片12由连动绳索101所支撑与带动,结构为一般百叶窗的型式,并不在此赘述,也不限于图中所示的态样。
FIG. 10B then shows a schematic diagram of the shutter in an open state, wherein a plurality of
通过控制机构带动连动绳索101,使其中叶片12呈现一个角度的开启状态,各叶片12表面设有一层隔热光导膜14,设置的样态可参考上述图9A与图9B。通过带动叶片12的转动角度改变光线进入光量,也改变光线入射隔热光导膜14的角度,产生特定光学特性。
The interlocking
综上所述,本说明书所描述使用隔热光导膜的装置,包括具有可转动角度的承载装置,表面设有隔热光导膜,通过入射光线角度的改变,使得隔热光导膜产生特定光学效果,如可以改变导引光线的路径、改变阻隔红外光的效果等。 To sum up, the device described in this specification using the heat-insulating light-guiding film includes a bearing device with a rotatable angle, and the heat-insulating light-guiding film is provided on the surface. By changing the angle of the incident light, the heat-insulating light-guiding film can produce specific optical effects , such as changing the path of guiding light, changing the effect of blocking infrared light, etc. the
然而以上所述仅为本发明的优选可行实施例,非因此即局限本发明的专利范围,故举凡运用本发明说明书及图示内容所为的等效结构变化,均同理包含于本发明的范围内,合予陈明。 However, the above descriptions are only preferred feasible embodiments of the present invention, and therefore do not limit the patent scope of the present invention. Therefore, all equivalent structural changes made by using the description and illustrations of the present invention are equally included in the scope of the present invention. Within the scope, agree with Chen Ming. the
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