CN107924935A - 包装标签和用于给包装加标签的方法 - Google Patents

包装标签和用于给包装加标签的方法 Download PDF

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CN107924935A
CN107924935A CN201680028372.2A CN201680028372A CN107924935A CN 107924935 A CN107924935 A CN 107924935A CN 201680028372 A CN201680028372 A CN 201680028372A CN 107924935 A CN107924935 A CN 107924935A
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马里奥·凯罗尼
马可·卡维利
安东尼奥·亚凯蒂
乔尔吉奥·戴尔艾尔芭
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Fondazione Istituto Italiano di Tecnologia
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Abstract

包装标签(1),其包括基板(10)、放置在基板(10)上方的显示器(6)、与显示器(6)电接触放置并且适于控制所述显示器(6)的操作的控制模块(4)、至少一个光伏模块(2),其放置在基板(10)上方且紧挨着显示器(6)并预先设置以为显示器(6)和控制模块(4)供电;其中使用混有掺杂剂的印刷油墨在基板(10)上印刷光伏模块(2)、控制模块(4)和显示器(6)。

Description

包装标签和用于给包装加标签的方法
本发明涉及包装标签和用于给包装加标签的方法。
在包装行业中,具有固定图形的标签是已知的,即承载预定的消息,该标签可以粘附或直接印刷在包装上,例如在塑料瓶或玻璃瓶上。
然而,这样的标签具有仅能够产生一个消息(例如,产品名称、成分列表、促销消息)的缺点,因此对于许多商业产品,必须使用多个不同的标签,每个标签专用于特定内容。
在塑料上的电子领域,动态标签也是已知的,提供有用于显示多个不同消息的显示器,诸如,例如促销消息、过期日期和/或包装产品的成分。然而,这些标签并不完全由与再循环(包括显示器)兼容的材料组成,并且生产过程与高性能印刷或在包装容器上的直接印刷不兼容。此外,这些标签必须是自供应的,且甚至供应单位也不能满足上述要求。
因此,有必要找到创新的解决方案来解决“动态”给包装产品加标签的问题,主要是为了营销和广告目的。
因此,本发明的目的是提出一种能够为了经济上的可持续性通过向包装本身添加可忽略的成本来逐渐改变显示内容的动态标签,其可以直接印刷和/或集成到包装上,并且与当前的包装生产过程兼容。
本发明的另一个目的是提出一种容易再循环的标签。
这些和其他目的通过在权利要求1中定义特征的标签来实现。
特定实施例形成从属权利要求的主题,其内容将被认为是本说明书的组成部分。
本发明的其他特征和优点将从下面参照附图、通过非限制性示例给出的详细描述中显现,其中:
图1是根据本发明的标签的示意正视图;
图2示出图1中的标签的实施例的正视图;
图3示出图1中的标签的截面图;
图4根据本发明示出了标签的变型;以及,
图5根据本发明示出了用于获得标签的方法的操作的框图。
总体上,根据本发明的标签是完全可再循环的,其可以用高性能的印刷工艺印刷在塑料上或在纸上或者直接在塑料包装上,例如在PET上,并且可以与当前的包装工业标准一起使用。根据本发明的标签还集成了独立能源。
图1根据本发明示出了标签1的示意正视图。这种标签1包括至少一个光伏电源2,其适于给控制模块4和承载消息的显示器6供电。
光伏电源2本身是已知的光伏模块,其优选使用本体异质结有机技术(bulkheterojunction organic technology)。可选地,光伏电源不是有机的,例如是基于量子点或混合钙钛矿的光伏电源。光伏模块2可以以已知的方式印刷在塑料基板上,例如,具有厚度优选在区间1μm-100μm的聚对苯二甲酸乙二醇酯(PET)。
图2示出了标签1的一个实施例的正视图,其中存在沿着圆周布置的多个光伏模块2、对应于包含消息的区域的显示器6和与显示器6相邻的控制模块4(可选地,如下面详细描述的,控制模块4位于显示器6的下方)。
以下,参照图3和图4,将描述用于获得根据本发明的标签的过程,其框图在图5中示出。这样的过程从提供优选为上述类型的基板10的第一步骤100开始。这种基板10可以是透明的或不透明的。在本发明的实施例中,标签直接印刷在包装(例如塑料瓶或纸盒)上,在这种情况下,基板是包装本身的表面。可选地,基板可以(或包括)由其他材料(例如金属箔、橡胶、自粘附基板、纹身纸)制成。
图3示出了标签1的截面图,其中存在基板10,优选塑料片或瓶子,在步骤102中,光伏模块被印刷在其上。在步骤104和106中,在光伏模块2之间,分别印刷优选包括至少一个低功率电源薄膜晶体管的控制模块4和显示器6,后者优选地以电可寻址材料层的形式(如电致变色材料)进行设置。可选地,该层可以由任何其他电可寻址材料制成,例如电致发光材料。
与薄(10-200μm)和超薄(小于10μm)塑料支撑件的有机电子印刷(上述步骤102-106)相关的基本限制与印刷工艺的最高温度相关。典型地,为了执行这样的印刷,需要热加热工艺,其与包装中使用的塑料基板的薄层不相容,因为这样的层对热敏感。有机电子印刷工艺的优化与退火工艺密切相关,所述退火工艺通常需要超过100℃的温度,这对于优化印刷设备的性能是必需的,例如,改善电荷载流子的迁移率,去除吸收污染物并获得期望的支撑层的形态。
在上述印刷操作102-106中,使用油墨本身是已知的,在进行印刷本身之前,加入掺杂剂,优选苯并咪唑和苯并咪唑啉或铯或锂盐的前体。
由于使用了这些特定的化学掺杂剂,获得了优化的电子器件,在室温下或者在与基板10相容的低温下(优选低于70℃)直接印刷,其中仅需要蒸发油墨溶剂。
控制模块4被提供用于将控制信号发送到显示器6,从而在显示器6上显示预定的消息。
控制模块4和显示器6与光伏模块2电接触以允许其由光伏模块2供电。
在控制模块4和显示器6的上方,在步骤108中,沉积优选为离子凝胶或固体电解质类型的电横向互连层12,其允许控制模块4执行对显示器6的低电压控制,即允许控制模块4发送控制信号给显示器6。
可选地,通过包含半导体金属氧化物(例如,ZnO,IZO,IGZO)的至少一个薄膜晶体管来提供控制模块4。
最后,在步骤110中,在所有下面的层上面沉积阻挡层14,优选氧化物/聚合物多层,例如用于无机层的二氧化硅和氧化铝以及用于有机层的EVA、ETFE、PET或PEN,以保护下面的层不受氧气和水蒸气的影响。
图4显示了本发明的一个变型,其中相似的层用相同的附图标记表示。在该变型中,只有显示器6放置在基板10上方的两个光伏模块2之间,而不是控制模块4。在光伏模块2和显示器6上方,首先沉积具有预定图案的绝缘层16,即对应于显示器6放置的多个孔16a,随后沉积控制模块4,通过孔16a,控制模块4与下面的显示器6接触。最后,在控制模块4上方沉积阻挡层14。
因此,在本实施例中,在使用过程中,将具有前置显示器6和在其之后的控制模块4。
根据本发明的标签1是可再循环的,因为所有的电子部件都由塑料电子材料制成,或者容易与塑料分离(银或其他金属的金属化)。
有源标签1也是可再循环的,因为其每个部件(即光伏模块2,控制模块4和显示器6)所包括的材料特征在于低熔点温度(包括在200和400℃之间)。以这种方式,标签1中存在的非塑性材料(金属,金属氧化物等)的任何痕迹可以通过以已知的方式通过用于净化回收塑料的技术来过滤而被去除。
当然,根据仅作为非限制性示例描述和公开的内容,对本发明的原理、实施例和构造细节的各种修改是可能的,而不脱离如由所附权利要求限定的本发明的范围。

Claims (16)

1.一种包装标签(1),包括:
-柔性基板(10);
-显示器(6),其被放置在所述基板(10)上方,所述显示器包括可印刷油墨的电可寻址层;
-控制模块(4),其被放置成与所述显示器(6)电接触并且布置成控制所述显示器(6)的操作,所述控制模块包括含有混合有掺杂剂的至少一种印刷油墨的层;
-至少一个光伏模块(2),其被放置在所述基板(10)上方且紧挨着所述显示器(6)并布置成为所述显示器(6)和所述控制模块(4)供电,所述光伏模块包括含有混合有掺杂剂的至少一种印刷油墨的层。
2.根据权利要求1所述的标签,其中,所述基板由一种或更多种选自以下的材料制成:塑料、纸。
3.根据权利要求1或2所述的标签,其中,所述基板由选自以下的一种或更多种材料制成:塑料、纸、金属箔、橡胶、自粘附基板、纹身纸。
4.根据前述权利要求中任一项所述的标签,其中,所述显示器包括电致变色可印刷油墨层。
5.根据前述权利要求中任一项所述的标签,其中,所述基板具有在1和100μm之间的厚度。
6.根据前述权利要求中任一项所述的标签,其中,所述掺杂剂包括苯并咪唑或苯并咪唑啉或铯或锂盐的前体。
7.根据前述权利要求中任一项所述的标签,其中,在所述控制模块(4)与所述显示器(6)之间的电接触包括离子凝胶或固体电解质的互连层(12),所述互连层还具有用于电致变色显示器的离子储存器和/或用于所述控制单元中的晶体管的栅极介质的功能。
8.根据前述权利要求中任一项所述的标签,其中,所述控制模块(4)包括低电压有机薄层晶体管。
9.根据权利要求1至7中任一项所述的标签,其中,所述控制模块(4)至少包括包含半导体金属氧化物的薄膜晶体管。
10.根据前述权利要求中任一项所述的标签,还包括置于所述控制模块(4)上方的阻挡层(14)。
11.根据前述权利要求中任一项所述的标签,还包括绝缘层(16),所述绝缘层(16)放置在所述显示器(6)上方并且所述控制模块(4)被放置在所述绝缘层(16)上,所述绝缘层(16)具有多个孔(16a),所述多个孔(16a)被放置成与所述显示器(6)对应并且被布置成允许在所述显示器(6)和所述控制模块(4)之间的电接触。
12.一种获得用于包装的包装标签(1)的方法,包括以下步骤:
在基板(10)上印刷(102)至少一个光伏模块(2);
-紧挨着所述光伏模块(2)分别印刷(104,106)控制模块(4)和显示器(6);
-在所述控制模块(4)和所述显示器(6)上方沉积(108)电气横向互连层(12),所述电气横向互连层(12)被布置为允许所述控制模块(4)控制所述显示器(6);
其中,对所述光伏模块(2)、所述控制模块(4)和所述显示器(6)的印刷步骤(102、104、106)包括将印刷油墨与掺杂剂混合的步骤。
13.根据权利要求12所述的方法,还包括阻挡层(14)被布置为保护下面的层的步骤(110)。
14.根据权利要求12或13所述的方法,还包括以下步骤:在所述显示器(6)上方沉积绝缘层(16)以便将所述控制模块(4)放置在所述绝缘层(16)上方,所述绝缘层(16)具有多个孔(16a),所述多个孔(16a)被放置成与所述显示器(6)相对应并被布置成允许所述显示器(6)与所述控制模块(4)电接触。
15.一种给包装加标签的方法,包括权利要求12的步骤,其中,所述基板是所述包装的表面。
16.一种包括用权利要求15所述的方法印刷的标签的包装。
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WO2016184982A1 (en) 2016-11-24
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