CN114423603A - 层叠窗玻璃 - Google Patents

层叠窗玻璃 Download PDF

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Publication number
CN114423603A
CN114423603A CN202080065660.1A CN202080065660A CN114423603A CN 114423603 A CN114423603 A CN 114423603A CN 202080065660 A CN202080065660 A CN 202080065660A CN 114423603 A CN114423603 A CN 114423603A
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China
Prior art keywords
sheet
glazing
major surface
laminated glazing
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Granted
Application number
CN202080065660.1A
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English (en)
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CN114423603B (zh
Inventor
J·B·迪克松
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Pilkington Group Ltd
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Pilkington Group Ltd
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    • B60Q3/20—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors for lighting specific fittings of passenger or driving compartments; mounted on specific fittings of passenger or driving compartments
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  • Engineering & Computer Science (AREA)
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  • Laminated Bodies (AREA)

Abstract

描述了一种层叠窗玻璃板，包含由包含至少粘合中间层材料片材的中间层结构接合的第一和第二窗玻璃材料片材。每个窗玻璃材料具有相应的第一和第二主表面，并且层叠窗玻璃布置成使得第一窗玻璃材料片材的第二主表面面向第二窗玻璃材料片材的第一主表面。照明装置布置成相对于第一窗玻璃材料片材朝向第一窗玻璃材料片材的第二主表面发光。第一窗玻璃材料片材的第一和/或第二主表面在其上具有点阵列，用于漫反射由照明装置发射的光，所述光透射穿过第一窗玻璃材料片材并从其第一主表面透射出。

Description

层叠窗玻璃
本发明涉及一种层叠窗玻璃板,其包含照明装置。
将发光二极管引入层叠窗玻璃的两玻璃片材之间是已知的。将发光二极管连接到设置在所述玻璃片材之一上的导电涂层是已知的，如在WO2004/062908A2中。
还已知在电路板上安装发光二极管和在两个玻璃层片(或片材)之间层叠电路板，如在WO2004/009349A1中。在WO2004/009349A1描述的电路板包括包含基材和导电层的柔性电路。基材可以包括聚酯，和导电层可以是导电性墨，其与所述基材直接接触。
然而，在这样的窗玻璃中引入发光二极管时，发光二极管的点光源性质往往是视觉分心的，且可能不能提供均匀的照明。
本发明的目的是至少部分地提供该问题的解决方案。
因此，本发明提供一种层叠窗玻璃板，包含：具有第一主表面和相对的第二主表面的第一窗玻璃材料片材，具有第一主表面和相对的第二主表面的第二窗玻璃材料片材，用于将第一窗玻璃材料片材接合到第二窗玻璃材料片材的中间层结构，中间层结构包含至少一个粘合中间层材料片材，以及包括一个或多个光源的照明装置，其中所述层叠窗玻璃布置成使得所述中间层结构在第一和第二窗玻璃材料片材之间；第一窗玻璃材料片材的第二主表面面向第二窗玻璃材料片材的第一主表面；和照明装置布置成相对于第一窗玻璃材料片材朝向第一窗玻璃材料片材的第二主表面发射光；其中第一窗玻璃材料片材的第一和/或第二主表面具有在其上的点阵列，用于漫反射由照明装置发射的光，所述光透射穿过第一窗玻璃材料片材并从其第一主表面透射出。
点阵列阻挡由所述照明设备发射的一些光，但各点的尺寸和点阵列中的其间距经选择以对由一个或多个光源发射的光提供漫反射功能。当照明装置的一个或多个光源包括发光二极管时，这特别有用。由发光二极管发射的光在穿过点阵列后漫反射从而降低了发光二极管的点状光源性质。
优选地，照明装置的一个或多个光源中的至少一个位于第一和第二窗玻璃材料片材之间，更优选照明装置的一个或多个光源都位于第一和第二窗玻璃材料片材之间。
优选地，所述照明装置的至少一部分位于第一和第二窗玻璃材料片材之间。
点阵列在第一窗玻璃材料片材的第一或第二主表面的第一部分上方，并且优选地，第一部分与所述一个或多个光源中的一个对准。
点阵列中的每个点具有外周边，并且优选的是，点阵列中的至少一个点的外周边是圆形、椭圆形、三角形、四边形(即正方形，矩形或梯形)或具有超过四个边。
优选地，点阵列中的两个或更多个点的尺寸都一样。
优选地，至少一个点覆盖第一窗玻璃材料片材的第一或第二主表面的0.01和5mm2之间的面积。
每个点具有最接近的点，且一点和最接近点的间距优选为至少0.5mm，更优选0.5mm至5mm之间。
优选地，点阵列中的至少一个点的颜色是黑色或白色。
优选地，点阵列仅在第一窗玻璃材料片材的第一主表面上或仅在第一窗玻璃材料片材的第二主表面上。
优选地，点阵列由光学不透明区域至少部分地包围，该光学不透明区域防止光透射穿过层叠窗玻璃板。优选的是，所述光学不透明区域完全围绕所述光学不透明区域。优选地，该光学不透明区域是在第一窗玻璃材料片材的第一和/或第二主表面上的印刷区域。
优选地，层叠窗玻璃在至少一个方向上弯曲。优选地，曲率半径在至少一个方向上为500mm和20000mm之间，更优选1000mm和8000mm之间。
优选窗玻璃材料的第一和/或第二片材包含玻璃，更优选钠-钙-硅玻璃。典型的钠-钙-硅玻璃组成(按重量计)为，SiO2 69-74％；Al2O30-3％；Na2O 10-16％；K2O 0-5％；MgO0-6％；CaO 5-14％；SO3 0-2％；Fe2O3 0.005-2％。所述玻璃组合物还可以含有其它添加剂，例如澄清助剂，其通常以至多2％的量存在。
优选地，第一粘合中间层材料片材是着色和/或半透明的。
优选地，第一粘合中间层材料片材具有在0.2mm至2mm之间的厚度。
优选地，第一粘合中间层材料片材包括聚乙烯醇缩丁醛、乙烯的共聚物，如乙烯乙酸乙烯酯(EVA)，聚氨酯，特别是热塑性聚氨酯，或离子塑料(ionoplas t)中间层材料。
优选地，所述一个或多个光源中的至少一个是发光二极管。
优选地，层叠窗玻璃是汽车窗玻璃的一部分，如挡风玻璃、侧窗、后窗或顶窗即天窗。
在一些实施方案中，层叠窗玻璃板包含红外辐射反射膜。红外辐射反射膜可以是在窗玻璃材料的第一或第二片材上或者可以在片材上形成部分中间层结构。
优选地，所述红外辐射反射膜包含至少一个层，其包含金属，特别是银。
优选地，所述红外辐射反射膜包含一个或多个金属性层(或金属氧化物层)和一个或多个介电层，典型地形成多层堆叠。可以重复多层堆叠结构以提高膜的反射率。在其它类似的金属中，银、金、铜、镍和铬可以用作在多层堆叠中的金属性层；氧化铟、氧化锑等可以用作金属氧化物层。插在电介质层如硅、铝、钛、钒、锡或锌的氧化物之间的含一个或两个银层的膜是典型的多层堆叠。一般地，一个或多个层(由其形成红外反射膜)约几十纳米厚。
作为如上所述的(金属/电介质)n基膜的替代，红外辐射反射膜可以包括多个非金属性层，使得其用作带通滤波器(被集中在电磁波谱的近红外区域的波段)。
在一些实施方案中，该中间层结构包含第二粘合中间层材料片材，且所述照明装置在第一和第二粘合中间层材料片材之间。
优选地，第二粘合中间层材料片材具有0.2mm至2mm之间的厚度。
优选地，第二粘合中间层材料片材包含聚乙烯醇缩丁醛，乙烯的共聚物，如乙烯乙酸乙烯酯(EVA)，聚氨酯，特别是热塑性聚氨酯，或离子塑料中间层材料。
在一些实施方案中，照明装置安装到第一窗玻璃材料片材的第二主表面，和第一窗玻璃材料片材的第二主表面在其上包含至少一个导电路径，用于向照明装置提供电功率。通过向照明装置提供电功率，一个或多个光源中的至少一个变得可工作以从其发射光。
优选地，至少一个导电路径是导电涂层。
优选地，所述导电涂层是光学透明的
优选地，所述导电涂层是光学不透明的。
在一些实施方案中，照明装置安装到第二窗玻璃材料片材的第一主表面，和第二窗玻璃材料片材的第一主表面在其上包括至少一个导电路径，用于向照明装置提供电功率。通过向照明装置提供电功率，一个或多个光源中的至少一个变得可工作以从其发射光。
优选地，至少一个导电路径是导电涂层。
优选地，所述导电涂层是光学透明的
优选地，所述导电涂层是光学不透明的。
在一些实施方案中，照明装置包含电路板，且将一个或多个光源中的至少一个安装在电路板上，并且将电路板安装在第一窗玻璃材料片材的第二主表面上，或将该电路板安装在第二窗玻璃材料片材的第一主表面上。
电路板在其上具有至少一个导电路径，用于向照明装置提供电功率。通过向照明装置提供电功率，一个或多个光源中的至少一个变得可工作以从其发射光。
优选地，电路板是光学透明的。光波长区域在380nm和780nm之间。
优选地，所述至少一个导电路径是导电涂层。
优选地，导电涂层是光学透明的
优选地，导电涂层是光学不透明的。
优选地，电路板包含塑料材料。
优选地，电路板包含聚酯。
优选地，基材包含聚对苯二甲酸乙二醇酯(PET)或聚碳酸酯。
优选地，中间层结构包含第二粘合中间层材料片材，且电路板在第一和第二粘合中间层材料片材之间。
在中间层结构包含第二粘合中间层材料片材的实施方案中，优选地，第二粘合中间层材料片材是着色和/或半透明的。优选地，第二粘合中间层材料片材包括聚乙烯丁醛，乙烯的共聚物，例如乙烯乙酸乙烯酯(EVA)，聚氨酯，特别是热塑性聚氨酯或离子塑料中间层材料。
在一些实施方案中，点阵列在第一窗玻璃材料片材的第一或第二主表面的第一部分上方，并且第一窗玻璃材料片材的第一或第二主表面的第一部分与一个或多个光源中的一个对齐。
在一些实施方案中，点阵列中的点均匀间隔开。
在一些实施方案中，层叠窗玻璃板包括至少两个(第一和第二)点阵列，第一点阵列布置成漫反射从第一光源发射的光，和第二点阵列布置成漫反射从第二光源发射的光，第一和第二光源是照明装置的一部分。
在一些实施方案中，层叠窗玻璃板是交通工具的窗玻璃的一部分，特别是天窗、侧窗、后窗或挡风玻璃。
现在将参考以下附图(不按比例)来描述本发明，其中
图1示出了根据本发明的层叠窗玻璃板的示意性截面图；
图2示出了图1中所示的层叠窗玻璃板的示意性分解截面图；
图3示出了用于制造图1中所示的层叠窗玻璃板的玻璃片材的示意性等距(isometr ic)视图，该玻璃片材在其主表面上具有点阵列；
图4是点阵列的示意图；
图5示出了用于本发明的照明装置的示意性等距图；
图6示出了图5中所示的照明装置的示意性平面图；
图7示出了图5和6中所示的照明装置的示意性截面图；
图8示出了根据本发明的层叠窗玻璃板的示意性等距分解图；
图9示出了图8中所示的层叠窗玻璃板的示意性截面图；
图10示出了照明装置上的粘合中间层的片材的平面图；和
图11示出了根据本发明的另一层叠窗玻璃板的示意性平面图。
图1示出了根据本发明的层叠窗玻璃板1的示意性截面图。图2是用于帮助其描述的层叠窗玻璃板1的分解截面图。
层叠窗玻璃板1包括通过第一和第二聚乙烯醇缩丁醛(PVB)片材9,11接合到第二玻璃片材5的第一玻璃片材3。PVB片材9,11中的每个厚0.2mm至2mm。
在第一和第二PVB片材9,11之间的是包含电路板15的照明装置13，该电路板15具有第一主表面15a和相对的第二主表面15b。电路板15是厚度为0.1mm-0.2mm的光学透明的聚对苯二甲酸乙二醇酯(PET)片材，并且在其上具有导电路径。
第一玻璃3是钠-钙-硅玻璃，并具有第一主表面3a和相对的第二主表面3b。
将发光二极管17安装在电路板15的第一主表面15a上。发光二极管17具有第一电输入和第二电输入，使得在使发光二极管17的第一电输入与合适的电源的第一输出端子电连通并将发光二极管17的第二电输入与合适的电源的第二输出端子电连通时，对发光二极管提供电功率以将发光二极管17“开启”，即发光二极管从未激发态(其中发光二极管不发射光)转至激发态(其中发光二极管发射光)。在激发状态下，光以箭头18的方向上朝向第一玻璃片材的第二主表面3b发射，以透射穿过第一主表面3a。
导电路径(未示出)在第一主表面15a上，并且与发光二极管17的电输入电连通，用于向其提供电功率。合适地，导电路径是借助于印刷工艺例如丝网印刷或喷墨印刷施加到第一主表面15a的导电墨，使得导电路径与基材15的第一主表面15a直接接触。电路板延伸超过层叠窗玻璃板1的周边，以允许连接到合适的电源。
根据本发明，第一玻璃片材3的第二主表面3b的区域7具有印刷在其上的点阵列。点阵列中的点是具有近似圆形外周边的实心黑点。点是不同的尺寸，或可以都是相同的尺寸。点是光学不透明的，并且是相同类型的印刷点，用于提供具有遮挡带的渐隐(fade out)区域的交通工具窗玻璃。
区域7中的点阵列漫反射由发光二极管17发射的光。
图3示出了看向第二主表面3b的第一玻璃片材3的示意性等距图。该区域7示意性地示出为具有矩形轮廓，但可以具有其他配置。
图4示出了区域7中的点8阵列中的各个点8'(仅标记了一个)。区域7被示出为虚线以指示其外周边。
图5示出了类似于关于图1和2所述的照明装置13的照明装置60的示意性等距图，主要差异是照明装置60具有安装在电路板上的三个发光二极管，而不是一个。
照明装置60包含具有第一主表面64和相对的第二主表面74的基材62。基材62是单一PET片材，其可以根据需要适当地从较大的PET切割。基材62通常称为整体的。
安装在基材62的第一主表面64上的是三个发光二极管65,66和67。每个发光二极管可以发射相同的颜色(即相同波长)的光，或两个或更多个可以发射不同颜色的光。发光二极管65,66和67中的至少一个可以发射红外光束，例如在约800nm的波长下。
每个发光二极管65,66,67具有相应的一对电输入(第一电输入和第二电输入)，用于如前所述向各发光二极管提供电功率。
而且，在第一主表面64的上是一对电触点，第一电触点68和第二电触点69。可以使用导电墨适当地丝网印刷第一电触点68和第二电触点69。
第一电触点68通过导电迹线70a，70b，70c，70d，70e和70f与每个发光二极管65,66和67的第一电输入电连通。
第二电触点69通过导电迹线71a，71b，71c，71d，71e和71f与每个发光二极管65,66和67的第二电触点电连接。
如图5和6所示，三个发光二极管65,66,67与一对电触点68,69并联电连接。
如果需要，一个或多个发光二极管65,66,67可以与一对电触点68,69串联电连接。
一对电触点68,69在基材62的端部72上。当将电装置60引入层叠窗玻璃中(例如图1中所示的类型)时，端部72不位于第一和第二PVB片材9,11或第一和第二玻璃片材3,5之间，使得合适的电源可以电连接到一对电触点68,69，以向发光二极管65，66,67提供电功率。
在其上具有导电路径的基材62起到电路板的作用。
图6是照明装置60的平面视图，即在图5中所示的箭头76的方向上观察时。
如图6所示，导电路径70a在一端与第一电触点68电连通，且在另一端与导电节点70g电连通。
导电路径70b在一端与发光二极管65的第一电输入电连通，且在另一端与导电节点70g电连通。
导电路径70c在一端与导电节点70g电连通，且在另一端与导电节点70h电连通。
导电路径70d在一端与发光二极管66的第一电输入电连通，且在另一端与导电节点70h电连通。
导电路径70e在一端与导电节点70h电连通，且在另一端与导电节点70i电连通。
导电路径70f在一端与发光二极管67的第一电输入电连通，且在另一端与导电节点70i电连通。
导电路径71a在一端与第二电触点69电连通，且在另一端与导电节点71g电连通。
导电路径71b在一端与发光二极管65的第二电输入电连通，且在另一端与导电节点71g电连通。
导电路径71c在一端与导电节点71g电连通，且在另一端与导电节点71h电连通。
导电路径71d在一端与发光二极管66的第二电输入电连通，且在另一端与导电节点71h电连通。
导电路径71e在一端与导电节点71h电连通，且在另一端与导电节点71i电连通。
导电路径71f在一端与发光二极管67的第二电输入电连通，且在另一端与导电节点71i电连通。
导电路径70a，70b，70c，70d，70e，70f，71a，71b，71c，71d，71e和71f以及导电节点70g，70h，70i，71g，71h，71i都与基材62的第一主表面64直接接触。还优选的是，第一电触点68和第二电触点69与基材62的第一主表面64直接接触。
导电路径70a，70b，70c，70d，70e，70f，71a，71b，71c，71d，71e和71f和导电节点70g，70h，70i，71g，71h，71i都可以在相同印刷操作中用相同的导电墨印刷。
可以使用与用于丝网印刷该导电路径和/或导电节点的相同导电墨来适当地丝网印刷第一电触点68和第二电触点69。还优选的是，在用于印刷导电路径和/或导电节点的相同印刷操作中，印刷第一电触点68和第二电触点69。
在图5和6中所示的实施方案的替代方案中，没有导电节点，但是如上所述，导电迹线仍然处于电连通。
图7是沿图6的A-A'线观察的照明装置60的示意性截面图。
发光二极管65布置成在箭头65'的方向上发射光束。发光二极管66布置成在箭头66'方向上发射光束。发光二极管67布置成在箭头67'的方向上发射光束。
任何或全部发光二极管65,66,67可以布置成以相反方向发射光束。这对于发光二极管67(以虚线)进行了示出，显示了在箭头67”的方向，即穿过基材62的厚度和红外反射膜74的光束。
尽管在图7-9中仅示出了三个发光二极管，但是可以存在多于三个发光二极管，或者可以只有安装在基材62的第一主表面64上的一个或两个发光二极管。
图8示出了另一层叠窗玻璃板81的示意性分解透视图。图9示出了通过线B-B'的图8的层叠窗玻璃板81的示意性截面图。
在该示例中，层叠窗玻璃板81包含通过中间层结构87连接到第二玻璃片材85的第一玻璃片材83。中间层结构87由三个粘合中间层材料(即，其PVB，EVA或其层片的组合)片材89,91和93组成。第一粘合中间层材料片材89与第一玻璃片材共同延伸。第二粘合中间层材料片材91与第二玻璃片材85共同延伸。第三粘合中间层材料片材93位于第一和第二中间层材料片材89,91之间，并且在其中具有切口区域以容纳照明装置60。切口区域沿着粘合中间层材料的第三片材的一个边缘，而其另外三个边缘与第一和第二粘合中间层材料片材的相应边缘对齐。
图8是可以使用常规层叠工艺层叠在一起，例如使用适当的高温和压力，以产生最终层叠窗玻璃板81的未层叠部件的堆叠的图。
在如图9所示的最终层叠窗玻璃板81中，电气装置60在第一和第二粘合中间层材料片材89,91之间，并且位于第三粘合中间层材料93的片材的切口区域中。这种结构使叠层更简单，因为额外的第三粘合中间层材料的层片(与双层片粘合中间层结构相比)使得更容易在第一和第二粘合中间层材料片材之间容纳电气装置60的厚度。
在最终层叠窗玻璃板81中，第一粘合中间层材料片材89与第一玻璃片材83相邻并且直接接触，且第二粘合中间层材料片材91与第二玻璃片材85相邻并直接接触。第三粘合中间层材料片材93与第一和第二粘合中间层材料片材89,91都直接接触。
图9是通过图8中的线B-B'的示意性截面图，并且示出了部分72如何延伸超过层叠窗玻璃板81的周边，使得可以通过电触点68,69向照明装置60提供电功率。
第一、第二和第三粘合中间层材料片材89,91,93中的至少一个可以是PVB或EVA。
第一玻璃片材83在其面向第一粘合中间层材料片材89的一部分主表面上具有点阵列，例如如图3和4所示。可具有三个单独的区域，每个具有点阵列(一个用于漫反射来自每个发光二极管65,66,67的光)，或者可以有一个区域，其具有用于漫反射来自所有三个发光二极管65,66,67的光的点阵列。可有两个区域，每个都具有用于漫反射来自发光二极管65,66和67或65和66,67或66和65,67的光的点阵列。
第一粘合中间层材料片材89可以是半透明的，以帮助进一步漫反射从发光二极管66,66,67发射的光。
在一个实施方案中，第一粘合中间层材料片材以与图8所示的第三粘合中间层材料片材93类似的方式构造。即，第一粘合中间层材料片材可以在其中具有切口区域。半透明中间层材料片材可以定位在切口区域中，而在其中具有切口区域的第一粘合中间层材料片材可以是传统的非半透明粘合中间层材料如PVB。用于帮助说明这样实施方案的平面图示于图10中。
图10示出了第一粘合中间层材料片材189的示意性平面图，可以用其替代图8和9中所示的第一粘合中间层材料片材89。
第一粘合中间层材料片材189具有传统PVB(即透明PVB)的第一部分189a，在其中具有切口区域189b。位于切口区域189b中的是半透明PVB的片材189c。半透明PVB的片材189c与第一部分189a共面。
位于第一粘合中间层材料片材189下方的是类似于照明装置60的照明装置160，在电路板上存在六个发光二极管而不是仅三个。
图11示出了根据本发明的另一层叠窗玻璃板201的示意性平面图。
层叠窗玻璃板201以与图8和9中所示的层叠窗玻璃板81类似的方式配置，不同的是在该实施方案中，在第一和第二玻璃片材之间存在两个照明装置202,204。每个照明装置202,204与图5和6所示的相同，并具有相应的端部203，205，以允许给发光二极管提供功率，如先前所描述。
此外，在本实施方案中，第一玻璃206片材具有两个遮蔽区域208，210。在第一遮蔽区域208的边缘是第一渐隐带212，并且在第二遮蔽区域210的边缘是第二渐隐带214。在渐隐区域之间，层叠窗玻璃板201是光学透明的。
遮蔽区域208，210和渐隐区域212，214是使用常规的丝网印刷工艺而丝网印刷的。参照图3，主表面3b具有在其上印刷的遮蔽区域208，210和渐隐区域212，214。
在所述第一遮蔽区域208中具有开口216，且第一点阵列在开口216中以漫反射从第一照明装置202的发光二极管发射的光。在第二遮蔽区域210中也有开口218，且第一点阵列是在开口218中以漫反射从第二照明装置204的发光二极管发射的光。
在与遮蔽区域208，210和/或渐隐区域212，214相同时间，或在一些其它时间，例如在已印刷遮蔽区域208，210和/或渐隐区域212，214后，可以印刷在第一和/或第二区域216，218中的点阵列。
虽然在前面的图中将层叠窗玻璃示出为平坦的(或平面的)，但提供在至少一个方向上弯曲的层叠窗玻璃也是在本发明的范围之内。优选地，在至少一个方向上的曲率半径为500mm和20000mm之间，更优选1000mm和8000mm之间。
在描述玻璃片材的前述实施例中，对于玻璃的合适玻璃组合物是钠-钙-硅玻璃组合物。典型的钠-钙-硅玻璃组合物(按重量计)是SiO269-74％；Al2O3 0-3％；Na2O 10-16％；K2O 0-5％；MgO 0-6％；CaO 5-14％；SO3 0-2％；Fe2O3 0.005-2％。可以使用浮法工艺来制造这样的玻璃。
可使用其它玻璃组合物，例如硼硅酸盐玻璃或碱性铝硅酸盐玻璃。
此外，在前述实施例中的任何或所有的玻璃片材可以由其它类型的窗玻璃材料的片材例如塑料如聚碳酸酯代替。
当需要有照明功能的层叠窗玻璃时，本发明提供了特别的优点。通过用点阵列漫反射来自照明装置的光，降低了作为照明装置的一部分的光源的点状光源性质，由此提供更均匀的照明。

Claims (21)

1.一种层叠窗玻璃板，包含：
具有第一主表面和相对的第二主表面的第一窗玻璃材料片材，
具有第一主表面和相对的第二主表面的第二窗玻璃材料片材，
用于将第一窗玻璃材料片材接合到第二窗玻璃材料片材的中间层结构，该中间层结构包含至少一个粘合中间层材料片材，以及
包括一个或多个光源的照明装置，
其中所述层叠窗玻璃布置成使得
所述中间层结构在第一和第二窗玻璃材料片材之间；
第一窗玻璃材料片材的第二主表面面向第二窗玻璃材料片材的第一主表面；和
照明装置布置成相对于第一窗玻璃材料片材朝向第一窗玻璃材料片材的第二主表面发射光；
其中第一窗玻璃材料片材的第一和/或第二主表面具有在其上的点阵列，用于漫反射由照明装置发射的光，所述光透射穿过第一窗玻璃材料片材并从其第一主表面透射出。
2.根据权利要求1的层叠窗玻璃板，其中所述照明装置安装到第一窗玻璃材料片材的第二主表面，并且其中第一窗玻璃材料片材的第二主表面在其上包含至少一个导电路径，用于向照明装置提供电功率。
3.根据权利要求1或权利要求2的层叠窗玻璃板，其中所述照明装置安装到第二窗玻璃材料片材的第一主表面，并且其中第二窗玻璃材料片材的第一主表面在其上包含至少一个导电路径，用于向照明装置提供电功率。
4.根据权利要求2或权利要求3的层叠窗玻璃板，其中所述至少一个导电路径是导电涂层。
5.根据权利要求4所述的层叠窗玻璃板，其中所述导电涂层是光学透明的，或者所述导电涂层是光学透明的、不透明的。
6.根据权利要求1所述的层叠窗玻璃板，其中所述照明装置包含电路板，并且所述一个或多个光源中的至少一个安装在所述电路板上，且其中所述电路板安装在第一窗玻璃材料片材的第二主表面上，或者其中电路板安装在第二窗玻璃材料片材的第一主表面上，电路板在其上具有至少一个导电路径，用于向照明装置提供电功率。
7.根据权利要求6所述的层叠窗玻璃板，其中所述中间层结构包括第二粘合中间层材料片材，其中所述电路板在第一和第二粘合中间层材料片材之间。
8.根据权利要求7所述的层叠窗玻璃板，其中所述第二粘合中间层材料片材是着色和/或半透明的。
9.根据前述权利要求中任一项所述的层叠窗玻璃板，其中所述点阵列在第一窗玻璃材料片材的第一或第二主表面的第一部分上方，并且其中所述第一部分与一个或多个光源中的一个对齐。
10.根据前述权利要求中任一项所述的层叠窗玻璃板，其中点阵列中的每个点具有外周边，且其中点阵列中的至少一个点的外周边是圆形、椭圆形、三角形、四边形或有四个以上的边。
11.根据前述权利要求中任一项所述的层叠窗玻璃板，其中点阵列中的两个或更多个点是相同的尺寸。
12.根据前述权利要求中任一项所述的层叠窗玻璃板，其中所述点阵列仅在所述第一窗玻璃材料片材的第一主表面上。
13.根据权利要求1至11中任一项所述的层叠窗玻璃板，其中所述点阵列仅在所述第一窗玻璃材料片材的第二主表面上。
14.根据前述权利要求中任一项所述的层叠窗玻璃板，其中所述点阵列至少部分地被光学不透明区域围绕，所述光学不透明区域防止光透射穿过所述层叠窗玻璃板。
15.根据权利要求14所述的层叠窗玻璃板，其中所述光学不透明区域是所述第一窗玻璃材料片材的第一和/或第二主表面上的印刷区域。
16.根据前述权利要求中任一项所述的层叠窗玻璃板，其中所述第一和/或第二窗玻璃材料片材包含玻璃，特别是钠-钙-硅玻璃。
17.根据前述权利要求中任一项所述的层叠窗玻璃板，其中所述第一粘合中间层材料片材是着色和/或半透明的。
18.根据前述权利要求中任一项所述的层叠窗玻璃板，其中所述第一粘合中间层材料片材包括聚乙烯醇缩丁醛，乙烯的共聚物，例如乙酸乙烯乙酯(EVA)，聚氨酯，特别是热塑性聚氨酯，或者离子塑料中间层材料。
19.根据前述权利要求中任一项的层叠窗玻璃板，其中第一粘合中间层的厚度在0.2mm和2mm之间。
20.根据前述权利要求中任一项所述的层叠窗玻璃板，其中一个或多个光源中的至少一个是发光二极管，并且其中由发光二极管发射的光被点阵列漫反射。
21.交通工具的窗玻璃，特别是天窗、侧窗、后窗或挡风玻璃，包含根据前述权利要求中任一项所述的层叠窗玻璃板。
CN202080065660.1A 2019-09-18 2020-09-17 层叠窗玻璃 Active CN114423603B (zh)

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