CN100360993C - 具有太阳电池机构和液晶显示器的装置 - Google Patents
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Abstract
本发明的主题是一种具有太阳电池机构(1)和液晶显示器(2)的装置,其中,太阳电池机构(1)包含一个至少部分地透明的载体(4)及至少一个太阳电池(1),该太阳电池按叠置结构具有至少一个至少部分地透明的接触层(5)、一个光电有效层(6)和一个接触层(7);而液晶显示器(2)按叠置结构具有至少一个第一偏光体(12)、一个第一至少部分地透明的载体(9)、一个第一至少部分地透明的接触层(14)、一个液晶层(11)、一个第二透明接触层(15)、一个第二透明载体(10)、一个第二偏光体(13)和一个反射体(16),其中太阳电池机构(1)的载体(4)是液晶显示器(2)的载体(9,10)之一。此外,还介绍了这种装置的一种制造方法。本发明提出的装置特别适合于用作钟表尤其是手表的能源和显示单元。
Description
本发明涉及如权利要求1的前序部分所述的一种具有太阳电池机构和液晶显示器的装置,还涉及该装置的一种制造方法及该装置的一种用途。
太阳电池机构、即各个太阳电池及其布置以及所谓的由几个或许多彼此相接的单个电池构成的模件,就现有技术所知其种类繁多。同样,液晶显示器、即所谓的LCDs(LCD=Liquid Crystal displays),已知有各种实施变型。太阳电池机构和液晶显示器在商业上都是按不同用途作为分开的构件销售的。
早已熟知的事实是,太阳电池机构用作钟表、特别是手表的能源。此外也已知将液晶显示器用于显示钟表时间、日期等。
当今,绝大多数的手表都装配了一种模拟显示的钟表机构。因此,上述类型的手表的用作能源的太阳电池机构通常都设计成一种表盘。在许多这种作为太阳手表而著称的以太阳驱动的手表上都使用上述的一种液晶显示器,用于将显示日期或其它特定功能应用在该表盘上。
在这种太阳手表上,太阳表盘和液晶显示器是分开的构件,它们通常是彼此相叠地进行布置的。
上述这种前后依次布置的缺点在于:在读取一个安置在一个所谓的日期窗口后面的液晶显示时有“隧道印象”(Tunneleindruck)。
本发明的目的是提供一种配有太阳电池机构和液晶显示器的装置,该装置可以实现新的显示可能性,并达到叠置两个光学元件、即太阳电池机构和液晶显示器的效果。
上述目的是通过具有权利要求1所述特征的、配有太阳电池机构和液晶显示器的一种装置加以解决的。
本发明的一些有利设计和改进方案在从属权利要求中给出。
本发明总的说来完全是以已知类型的太阳电池机构和液晶显示器为出发点的。因此,叠置的太阳电池机构对于一个或多个太阳电池至少具有一个至少部分地透明的载体,必要时该太阳电池也可连接成一个或多个模件。每个太阳电池还包含至少一个光电有效层,该光电有效层嵌置在一个至少部分地透明的接触层和一个通常为金属性的接触层之间。
本领域的技术人员都知道,前述的太阳电池机构也可包含彼此叠置的多个那种叠置序列,还特别包括所谓的多重接点布置。
通常将玻璃用作为所谓的薄层太阳电池机构的、例如其中光电有效层为非晶质硅的薄层太阳电池机构的载体材料。当然也可以考虑使用塑料、陶瓷等作为载体材料。
在采用晶质材料作为光电有效层-例如采用晶质硅作为光电有效层的太阳电池机构的情况下,这种晶质材料本身就承担着载体的功能。
本发明所采用的液晶显示器按照叠置布置具有:至少一个第一偏光体、一个第一至少部分地透明的载体、一个第一至少部分地透明的接触层、一个液晶层、一个第二透明接触层、一个第二透明载体、一个第二偏光体和一个反射体。
本发明的基本构思在于:将两个迄今作为该装置的单独构件存在的元件、即太阳电池机构和液晶显示器连接成一个唯一的构件,更确切地说最好采取如下方式:光电有效层和液晶显示器的光学平面基本上重合。这一点依本发明是通过以下措施来实现的:将液晶显示器的一个载体用作为太阳电池机构的载体。
从原则上说,液晶显示器可以安置在太阳电池机构的下方或上方,也可以安置在太阳电池机构的凹穴内。因此,太阳电池机构或它的各部分也可以承担液晶显示器的各部分的功能(或者反过来),从而可大大减小总结构高度。
在本发明提出的一个第一变型中,设定:太阳电池机构的载体就是液晶显示器的第一载体。在此情况下,液晶显示器处在太阳电池机构下方。在最简单的情况下,太阳电池机构和液晶显示器是彼相邻的,但在侧面是彼此分开地进行布置的。因此在这种情部下,太阳电池机构和液晶显示器几乎是完全去除耦合的。不过还有一个可能性,就是太阳电池机构和液晶显示器至少部分地侧面相搭接。
按所最先述及的实施变型,有利之处是:可使用太阳电池机构的透明接触层作为液晶显示器的第一透明接触层,或者反之使用液晶显示器的第一透明接触层作为太阳电池机构的第一透明接触层,以便一方面减小结构高度,另一方面尽可能少地保持那种具有太阳电池机构和液晶显示器的装置制造工艺步骤的数目。
就第二变型、即太阳电池机构和液晶显示器至少部分地侧面搭接布置的变型而言,有利之处是:太阳电池机构至少部分地设计成半透明的。最好是将太阳电池机构正好在该搭接部位中设计成半透明的。所述两个光学元件的这种搭接能提供新的显示可能性和效果。
附图中示出本发明的两个实施例。下面将对其做详细说明。附图表示:
图1具有依本发明布置的液晶显示器的一种钟表的太阳表盘的第一种实施变型的横截面,
图2按背景技术的一种太阳电池的原理性结构,
图3按背景技术的液晶显示器的原理性结构,
图4具有依本发明布置的液晶显示器的一种钟表的太阳表盘的第二种实施变型的横截面,
图5按背景技术的一种太阳电池的原理性结构。
图1中示意地绘出一种钟表、特别是一种手表的第一种实施变型,它按已知方法采用太阳电池机构1及液晶显示器2。图2和3表示按背景技术的一种太阳表盘的原理性结构及按背景技术的一种液晶显示器2的原理性结构,正如它们当前都是得到应用的。
太阳表盘在其结构上,在本实施例中相当于一个简单的太阳电池1。对本领域的技术人员来说显而易见的是,该太阳表盘也可以由多个这种单独电池构成,该单独电池可按相应方式彼此(也可直接在基片上)串联起来。
在现在的情况下,太阳表盘由玻璃制成的透明载体4构成,其上涂敷着由透明导电金属氧化物(TCO=tronsparent conductive oxide-透明导电氧化物)制成的透明(前-)接触层5、由非晶质硅制成的光电有效层6及由金属形成的(后-)接触层7。在(日期)窗口3的部位上所述三个层-即透明接触层5、光电有效层6及接触层7形成一个孔8地加以去除。
液晶显示器2(LCD=Liquid Crystals display-液晶显示器)包含:有源液晶层11一它通过两个彼此粘合的以TCO涂层的透明载体9、10实现接触;两个偏光体12、13;一个反射体16。代表两个透明接触面的TCO-涂层在附图中用附图标记14和15表示,粘合层用附图标记17a表示。应当指出的是:通常具有一种结构(相应于待显示的数字)的TC0-层为了简明起见均完全平面地示意绘出。
图1所示的附图表示两个上述元件、即代表太阳表盘的太阳电池1和液晶显示器2的联合体,其方式是使得太阳电池1的透明载体4、基片玻璃5同时承担第一透明载体9(行业技语上亦称之为LCD-覆盖玻璃)的功能。在这种结构中,光电有效层6和液晶显示器2的光学平面是重合的。这一点具体表明:液晶显示器2的数字显现在如(日期-)窗口3的同一平面中。
前述的具有液晶显示器2的一种钟表的太阳表盘(太阳电池1)的实施变型制造方法如下:
首先须制作出太阳电池1,这是因为所需的处理温度可能损害液晶11,从而损害液晶显示器2。随即暴露出(日期-)窗口3。如果在这一部位上只去除接触层7的金属和光电有效层6,则可将透明接触层5、TCO-层相应于太阳电池1进行结构化、并将其用于与液晶11的接触。但是,还有一个可能性,就是至少在这一部位上涂敷一个附加的TC0-层作为透明的接触层40。连同第二透明载体10的粘合层17b是布置在可见部位之外的,该可见部位是通过光电有效层6上的孔8给定的。最后将第一偏光体12涂敷在代表太阳表盘的太阳电池1上面。
图4中以相似方式绘出一种配有依本发明布置的液晶显示器3的钟表的太阳表盘的第二种实施变型。
与前述的实施例中所示的相似,初始元件是一个薄层太阳电池1和一个属于背景技术的液晶显示器2,如在图5和3中所示。图4中所示的变型与前述实施变型的区别仅在于:在形成太阳表盘的太阳电池1上,在(日期-)窗口3的部位上不去除所有三个涂敷在载体4上的层,即透明的接触层5、光电有效层6和(金属-)接触层7,而仅仅去除一般是不透明的(金属-)接触层7。如果现在将光电有效层6设计成半透明的。则可通过这两个光学元件-即太阳电池1和液晶显示器2的搭接而以所述方式获得新的显示可能性和效果。
附图标记列表
1 太阳电池
2 液晶显示器
3 窗口
4 透明的载体
5 透明的接触层
6 光电有效层
7 接触层
8 孔
9 第一透明载体
10 第二透明载体
11 液晶层
12 第一偏光体
13 第二偏光体
14 第一透明接触层
15 第二透明接触层
16 反射体
17a、17b 粘合层
18 显示面
Claims (11)
1.配有太阳电池机构和液晶显示器(2)的装置,其中,
太阳电池机构具有:
-一个至少部分地透明的载体(4),及
-至少一个太阳电池(1),它们按叠置结构至少包含:
-一个至少部分地透明的接触层(5),
-一个光电有效层(6)和
-一个接触层(7),
叠置的液晶显示器(2)至少具有:
-一个第一偏光体(12),
-一个第一至少部分地透明的载体(9),
-一个第一至少部分地透明的接触层(14),
-一个液晶层(11)
-一个第二透明接触层(15),
-一个第二透明载体(10),
-一个第二偏光体(13)和
-一个反射体(16),
其中,太阳电池机构(1)的载体(4)是液晶显示器(2)的第一载体(9),其特征在于,太阳电池机构(1)具有一个其中去除了接触层(7)的部位(8),在所述部位(8)中布置了液晶显示器(2)。
2.按权利要求1所述的装置,其特征在于,太阳电池机构(1)的透明接触层(5)是液晶显示器(2)的第一透明接触层(14)。
3.按权利要求1所述的装置,其特征在于,太阳电池机构(1)是至少部分地半透明的。
4.按权利要求1所述的装置,其特征在于,在所述部位(8)中去除了光电有效层(6)。
5.按权利要求4所述的装置,其特征在于,在所述部位(8)中去除了太阳电池(1)的透明接触层(5)。
6.按权利要求1至5中任一项所述的装置,其特征在于,太阳电池机构(1)的载体(4)是一个钟表的表盘。
7.按权利要求1至5中任一项所述的装置,其特征在于,太阳电池机构(1)的载体(4)是太阳电池(1)的光电有效层(6)。
8.一种用于制造按权利要求5所述的装置的方法,其特征在于,
-在一个第一步骤中制成太阳电池机构(1);
-在一个第二步骤中在所述部位(8)中去除接触层(7)、光电有效层(6)和透明接触层(5);
-在一个第三步骤中涂敷第一透明接触层(14),
-在一个第四步骤中使第一透明接触层(14)结构化,
-在一个第五步骤中,将分开制作的包括第二透明接触层(15)、第二透明载体(10)、第二偏光体(13)和液晶层(11)的叠置序列进行粘合。
9.一种用于制造按权利要求4所述的装置的方法,其特征在于,
-在一个第一步骤中制成太阳电池机构(1);
-在一个第二步骤中在所述部位(8)中去除接触层(7)和光电有效层(6);
-在一个第三步骤中部分地涂敷一个附加的透明的第一接触层(14);
-在一个第四步骤中将至少一个太阳电池(1)的透明的接触层(5)以及必要时附加的第一接触层(14)进行结构化,
-在一个第五步骤中,将分开制作的包括第二透明接触层(15)、第二透明载体(10)、第二偏光体(13)、反射体(16)和液晶层(11)的叠置序列进行粘合。
10.一种用于制造按权利要求1所述的装置的方法,其特征在于,
-在一个第一步骤中制成太阳电池机构(1),
-在一个第二步骤中,在所述部位(8)中去除接触层(7),
-在一个第三步骤中涂敷一个透明的第一接触层(14),
-在一个第四步骤中使所述透明的第一接触层(14)进行结构化,
-在一个第五步骤中,将分开制作的包括第二透明接触层(15)、第二透明载体(10)、第二偏光体(13)、反射体(16)和液晶层(11)的叠置序列进行粘合。
11.按权利要求1至7中任一项所述的装置作为一种钟表的能源和显示单元的应用。
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EP (1) | EP1504301B1 (zh) |
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WO2003096109A2 (de) | 2003-11-20 |
EP1504301A2 (de) | 2005-02-09 |
WO2003096109A3 (de) | 2004-11-04 |
DE10221301A1 (de) | 2003-12-04 |
JP2005529356A (ja) | 2005-09-29 |
CN1653378A (zh) | 2005-08-10 |
US20050225686A1 (en) | 2005-10-13 |
EP1504301B1 (de) | 2007-12-12 |
DE50308799D1 (de) | 2008-01-24 |
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