CN101681074A - 柔性显示装置中的次显示器集成 - Google Patents

柔性显示装置中的次显示器集成 Download PDF

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CN101681074A
CN101681074A CN200780049514A CN200780049514A CN101681074A CN 101681074 A CN101681074 A CN 101681074A CN 200780049514 A CN200780049514 A CN 200780049514A CN 200780049514 A CN200780049514 A CN 200780049514A CN 101681074 A CN101681074 A CN 101681074A
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CN101681074B (zh
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H·E·A·休特马
P·J·G·范利肖特
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Samsung Electronics Co Ltd
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Abstract

柔性显示装置(50，51)采用非连续前板(60，64)和连续背板(70，74)。非连续前板(60，64)包括主前板区(61)、次前板区(63)、以及空间上分开主前板区(61)与次前板区(63)的空间前板区(62)。连续背板(70，74)包括主背板区(71)、次背板区(73)、以及电互连主背板区(71)与次背板区(73)的互连背板区(72)。主前板区(61)和主背板区(71)构成了主显示器(61，71)。次前板区(63)和次背板区(73)构成了次显示器(63，73)。互连背板区(72)将次显示器(63，73)限定为主显示器(61，71)的扩展。

Description

柔性显示装置中的次显示器集成
技术领域
本发明主要涉及柔性显示器。本发明具体涉及一体化集成了主显示器和次显示器的柔性显示装置。
背景技术
图1例示了由Polymer Vision开发的一种柔性显示器20。柔性显示器20具有有源矩阵背板30，该背板由衬底31和有源矩阵32组成。柔性显示器20还具有电泳前板40，该前板包括粘合剂41、电泳层42(例如来自诸如供应商E Ink或SiPix)、公共电极43和衬底44。
柔性显示器20的一种用途是卷绕显示系统，由此柔性显示器20卷绕在棒(即配置为具有圆形、椭圆形、圆角长方形、圆角正方形或任何其他曲线截面的物体)上以便于储存柔性显示器20，从棒上展开以便于操作柔性显示器20。目前，当柔性显示器20为储存保护目的而卷绕在棒上时，这样的卷绕显示系统并不包括预览屏幕。
发明内容
本发明提供了新颖而独特的结构形式的柔性显示装置，其采用非连续前板和连续背板。该非连续前板包括主前板区、次前板区和空间前板区，该空间前板区空间上分开该主前板区和该次前板区。该连续背板包括主背板区、次背板区和互连区，该互连区电互连该主背板区和该次背板区。该主前板区和该主背板区构成了主显示器。该次前板区和该次背板区构成了次显示器。该互连区将该次显示器限定为该主显示器的扩展。
该柔性显示装置在棒上的卷绕便于主显示器的储存和次显示器的观看。该柔性显示装置从棒上展开便于主显示器的运作。
通过连同附图一起阅读本发明各实施例的以下详细说明，本发明的前述形式及其他特点和优势将变得更明显。该详细说明和附图仅仅例示了本发明而非限制，本发明的范围由所附权利要求及其等同限定。
附图说明
图1例示了本领域熟知的柔性显示器的侧视图；
图2例示了本领域熟知的有源矩阵像素的示意图；
图3例示了根据本发明的柔性显示装置的第一实施例的侧视图；
图4和5例示了根据本发明的示范电极互连方案；
图6和7分别例示了根据本发明图3中所示的柔性显示装置的第一示范实施例的顶视图和侧视图；
图8和9分别例示了根据本发明图3中所示的柔性显示装置的第二示范实施例的顶视图和侧视图；
图10和11分别例示了根据本发明的图3中所示的柔性显示装置的第三示范实施例的顶视图和侧视图；
图12例示了根据本发明的柔性显示装置的第二实施例的侧视图；
图13和14分别例示了根据本发明的图12中所示的柔性显示装置的示范实施例的顶视图和侧视图；
图15和16例示了根据本发明的卷绕显示装置的实施例的透视图；以及
图17和18例示了根据本发明的图15和16中所示的卷绕显示装置的侧视图。
具体实施方式
本发明的一个发明原理是结构上配置具有非连续前板和连续背板的柔性显示装置，其提供次显示器作为主显示器的扩展(例如该次显示器充当主显示器的预览屏幕)。就本发明的目的而言，术语“非连续前板”在本文中宽泛定义成：为了提供主显示器和次显示器的观看介质，使得显示器前板的两个(2)或更多区域空间上分开的任何显示器前板，且本文术语“连续背板”宽泛定义成：为了部分或完全地共同控制主显示器和次显示器的观看介质，使得显示器背板的两个(2)或更多区域电互连的任何显示器背板。
本发明不对其中的非连续前板和连续背板的材料组成和结构配置施加任何限制或约束。在实践中，本发明的非连续前板和连续背板的具体实施取决于本发明的商业实施，因此没有限制。所以，图3的下述说明提供了结合了本发明前述的发明原理的柔性显示器的示范实施例。
图3例示了采用非连续前板60和连续背板70的柔性显示装置50，该前板由被空间前板区62分开的主前板区61和次前板区63组成，该背板由用互连背板(“ICNBP”)区72电互连的主背板区71和次背板区73组成。本领域技术人员可获知，主前板区61和主背板区71构成了具有Xp数量的像素行和Yp数量的像素列的主显示器，并且次前板区63和次前板区73构成了具有Xs数量的像素行和Ys数量的像素列的次显示器，其中Xp≥Xs和/或Yp≥Ys。
ICNBP区72电连接背板区71和73以便于部分或完全地共同控制主显示器和次显示器，由此将次显示器限定为主显示器的扩展。为了进一步理解ICNBP区72，此处将在有源矩阵寻址方案的上下文中说明ICNBP区72的示范说明。
具体来说，图2例示了有源矩阵显示器的像素的等效电路。如所示，该电路具有薄膜晶体管的源S，其电连接到列电极CLE，薄膜晶体管的栅G电连接到行电极RWE，以及薄膜晶体管的漏D电连接到储存电容器Cst，储存电容器Cst进一步电连接到储存电容器线SCL，基底电容器(base capacitor)CDE进一步电连接到公共电极CME并在薄膜晶体管的栅G和漏D间建立寄生电容器Cgd。像素的帧的选择时间涉及行电极RWE和列电极CLE的选择电压的应用，其使薄膜晶体管从非导通状态转换到导通状态，从而使这些电容器充电到列电极CLE所施加的显示电压。当薄膜晶体管在随后的帧的保持时间期间转换回非导通状态时，这些电容器仍保持电荷。
再参考图3，ICNBP区72用来在这种情况下促进主显示器和次显示器部分或完全共享行电极RWE和/或列电极CLE以及任何其他电极等，其包括但不限于非连续前板的公共电极、电源线和时钟线。例如，如图4所示，控制器80在经由行电极92和列电极驱动主显示器110的像素的时候控制行驱动器90和列驱动器100，其中行电极92将主显示器110的像素连接到行驱动器90的输出91，列电极将主显示器110的像素连接到列驱动器100的主输出101。ICNBP区72(未示出)支持作为行电极92的延伸的行电极93，从而使次显示器111的像素连接到输出91以被行驱动器90共同驱动。相反，ICNBP区72还支持不同于列电极103的列电极104，从而使次显示器111的像素连接到列驱动器100的输出102以被列驱动器100分别驱动。
相比之下，如图5所示，控制器80在经由行电极97和列电极107驱动主显示器110的像素的时候控制行驱动器94和列驱动器105，其中行电极97将主显示器110的像素连接到行驱动器94的输出96，列电极107将主显示器110的像素连接到列驱动器105的输出106。ICNBP区72(未示出)支持作为列电极107的延伸的列电极108，从而使次显示器111的像素连接到输出106以被列驱动器105共同驱动。相反，ICNBP区72进一步包含不同于行电极97的行电极98，从而使次显示器111的像素连接到行驱动器94的输出95以被行驱动器94分别驱动。
在实践中，经由本发明的ICNBP区，可在主显示器和次显示器间共享XE数量的行电极和YE数量的列电极，其中XE≥0且YE≥0。同时地或可替代地，ICNBP区72可支持其他电互连，例如电源线和时钟线。因此，主显示器和次显示器共享行电极和列电极及其他电互连的程度决定了主显示器和次显示器也共享驱动器、控制器及任何其他集成电路部件的程度。
在实践中，经由本发明的ICNBP区，在主显示器和次显示器间共享的实际XE数量的行电极和实际YE数量的列电极取决于柔性显示装置的预期用途，因此其并没有限制。在一个示范实施例中，次显示器充当主显示器的预览屏幕，从而在主显示器和次显示器间共享行电极的子集和列电极的子集。这使得次屏幕能够如共享控制器所控制的那样来显示主显示器的选择部分。在另一示范实施例中，次显示器基于在主显示器和次显示器间共享的一些或全部行电极，或在主显示器和次显示器间共享的一些或全部列电极而充当其自身内容的显示器。在又一示范实施例中，次显示器充当主显示器的精确副本，从而使所有行电极和列电极在主显示器和次显示器间共享。这使得能够构建具有360°视角的显示装置。
再参考图3，ICNBP区72的柔性特性方便ICNBP区72弯曲，从而使主显示器和次显示器位于柔性显示装置50的不同面上，即如图3所示的柔性显示装置50的相反的面。在实践中，ICNBP区72弯曲的程度或弯曲与否取决于柔性显示装置的预期用途，因此没有限制。
本文现在提供柔性显示装置50的三个(3)示范实施例的描述以便进一步理解本发明。
图6和7例示了第一示范实施例，其具有主前板电泳区(“E区”)130和主有源矩阵背板区140，构成主显示器，以及次前板E区132和次有源矩阵背板142，构成的次显示器。控制器120、行驱动器121和列驱动器122位于集成电路背板部分143上，集成电路背板部分143支持行/列电极，从而使互连背板区141支持每个共享的行/列电极，以便电互连次显示器到主显示器，以及任何非共享行/列电极。
可选地，主显示器和次显示器可共享公共电极133，其如图7所示横跨空间前板区131。替代地，公共电极可横跨背板而连接到主显示器和次显示器两者。
替代地，互连背板区141和次前板区132的宽度不同于主前板区130，例如区域141和132的宽度小于区域130的宽度。
图8和9例示了具有主前板的第二示范实施例，其具有位于互连背板区141上的控制器120、行驱动器121和列驱动器122。对于本实施例，集成电路背板区143已与互连背板区141结合。
图10和11例示了第三示范实施例，其中主显示器的长度减小了，且主显示器的宽度增加了。由此，如图所示，它更便于在主显示器的不同侧扩展次显示器。
本发明的第二发明原理是结构上配置具有非连续前板和连续背板的柔性显示装置，其提供作为主显示器的附加扩展的第三显示器。在实践中，第三显示器可如图3教导的次显示器那样从主显示器直接扩展，或如图12所示那样从主显示器间接扩展。
具体来说，柔性显示装置51具有非连续前板64和连续背板74，该前板进一步由通过空间前板区65从次前板区63分开的第三前板区66组成，该背板进一步由通过互连背板区75电连接到次背板区73的第三背板区76组成。图13和14所示柔性显示装置51的示范实施例是图6和7所示柔性显示装置的变形。在此变形中，第三前板区135与次前板区132空间上分开，且第三前板区135和第三背板区145构成了第三显示器，该显示器是主显示器经由互连背板区144的进一步扩展。
本发明的第三发明原理是结构上配置具有非连续前板和连续背板的柔性显示装置，其提供作为主显示器的进一步扩展的附加显示器。
本发明的第四发明原理是结构上配置具有非连续前板和连续背板的柔性显示装置，其提供作为独立显示器的主显示器，以及两个或更多的附加显示器，它们共享行电极和/或列电极以及任何其他电极等，包括但不限于公共电极、电源线和时钟线。
在实践中，本发明的柔性显示装置可被纳入任何类型的装置或设备中，包括但不限于移动电话、个人数据助理等等。图15-18例示了具有棒151和柔性显示箔152的卷绕显示系统150。本发明的柔性显示装置封入柔性显示箔152内，最好如图18所示，从而使箔152在棒151上的卷绕便于主显示器153的储存和次显示器154的观看，且箔152从棒151上的展开便于经由键盘155操作主显示器153，最好如图16所示。在卷绕位置，在箔152上提供按键156，最好连同次显示器154，以便控制装置的操作。
替代地，次显示器154也可位于箔152内的其他地方，例如，在邻近键盘155的箔152的相对端。此外，次显示器154可共享主显示器153到键盘155的一些或全部电连接，或替代地，次显示器154可独立连接到键盘155或任何其他输入机构(未示出)。
参考图2-18，本领域普通技术人员可获知本发明的众多优点和益处，包括但不限于，集成了一个或更多附加显示器作为主显示器的(多个)扩展并具有相对该柔性显示装置较小的附加厚度和/或宽度的低成本柔性显示装置。本领域普通技术人员可进一步获知如何将本发明的发明原理，如应用于主显示器和作为主显示器扩展的一个或更多附加显示器上那样，应用于任何类型的前板(例如图1所示的电泳前板)、任何类型的背板(例如图1所示的有源矩阵背板)，以及在任何类型的装置和设备(例如卷绕显示装置)内的结合。
尽管本发明在此公开的实施例目前被认为是优选的，但可作出各种改变和修改而不背离本发明的精神和范围。在所附的权利要求中表明了本发明的范围，且本文意图包含在等价表述的意思和范围内的所有变化。

Claims (22)

1.一种柔性显示装置(50，51)，包括：
非连续前板(60，64)，包括：
主前板区(61)；
次前板区(63)；和
空间前板区(62)，所述空间前板区空间上分开主前板区(61)和次前板区(63)；以及
连续背板(70，74)，包括：
主背板区(71)，其中主前板区(61)和主背板区(71)构成主显示器(61，71)；
次背板区(73)，其中次前板区(63)和次背板区(73)构成次显示器(63，73)；和
互连背板区(72)，所述互连背板区电互连主背板区(71)和次背板区(73)以将次显示器(63，73)限定为主显示器(61，71)的扩展。
2.如权利要求1所述的柔性显示装置(50，51)，
其中非连续前板(60，64)是电泳前板(40)；并且
其中连续背板(70，74)是有源矩阵背板(30)。
3.如权利要求1所述的柔性显示装置(50，51)，其中互连背板区(72)弯曲以将主显示器(61，71)和次显示器(63，73)定位在柔性显示装置(50，51)的不同面上。
4.如权利要求1所述的柔性显示装置(50，51)，其中非连续前板(60，64)进一步包括：
由主显示器(61，71)和次显示器(63，73)共享的公共电极(112)。
5.如权利要求1所述的柔性显示装置(50，51)，其中互连背板区(72)包括在主显示器(61，71)和次显示器(63，73)间共享的至少一个行电极(92，93)。
6.如权利要求5所述的柔性显示装置(50，51)，其中主显示器(61，71)和次显示器(63，73)具有相等数量的行。
7.如权利要求5所述的柔性显示装置(50，51)，其中次显示器(63，73)具有比主显示器(61，71)低的行数。
8.如权利要求5所述的柔性显示装置(50，51)，进一步包括：
行驱动器(90)，包括在主显示器(61，71)和次显示器(63，73)间共享的至少一个输出(91)。
9.如权利要求5所述的柔性显示装置(50，51)，其中互连背板区(72)包括在主显示器(61，71)和次显示器(63，73)间共享的至少一个列电极(107，108)。
10.如权利要求9所述的柔性显示装置(50，51)，其中主显示器(61，71)和次显示器(63，73)具有相等数量的列。
11.如权利要求9所述的柔性显示装置(50，51)，其中次显示器(63，73)具有比主显示器(61，71)低的列数。
12.如权利要求9所述的柔性显示装置(50，51)，其进一步包括：
列驱动器(105)，包括在主显示器(61，71)和次显示器(63，73)间共享的至少一个输出(106)。
13.如权利要求1所述的柔性显示装置(50，51)，其中互连背板区(72)包括在主显示器(61，71)和次显示器(63，73)间共享的至少一个列电极(107，108)。
14.如权利要求13所述的柔性显示装置(50，51)，其中主显示器(61，71)和次显示器(63，73)具有相等数量的列。
15.如权利要求13所述的柔性显示装置(50，51)，其中次显示器(63，73)具有比主显示器(61，71)低的列数。
16.如权利要求13所述的柔性显示装置(50，51)，进一步包括：
列驱动器(105)，包括在主显示器(61，71)和次显示器(63，73)间共享的至少一个输出(106)。
17.如权利要求1所述的柔性显示装置(50，51)，进一步包括：
控制器(80)，可操作以控制包括次显示器(63，73)的至少一行在内的主显示器(61，71)的至少一行。
18.如权利要求1所述的柔性显示装置(50，51)，进一步包括：
控制器(80)，可操作以控制包括次显示器(63，73)的至少一列在内的主显示器(61，71)的至少一列。
19.如权利要求1所述的柔性显示装置(50，51)，其中：
非连续前板(60，64)进一步包括：
第三前板区(66)；和
附加空间前板区(65)，所述附加空间前板区空间上分开次前板区(63)和第三前板区(66)；并且
其中连续背板(70，74)区进一步包括：
第三背板区(76)，其中第三前板区(66)和第三背板区(76)构成了第三显示器(66，76)；和
附加互连背板区(75)，所述附加互连背板区电互连次背板区(73)和第三背板区(76)以将第三显示器(66，76)限定为主显示器(61，71)的附加扩展。
20.一种卷绕显示装置(150)，包括：
柔性显示装置(152)，包括：
非连续前板(60，64)，包括：
主前板区(61)；
次前板区(63)；和
空间前板区(62)，所述空间前板区空间上分开主前板区(61)和次前板区(63)；以及
连续背板(70，74)，包括：
主背板区(71)，其中主前板区(61)和主背板区(71)构成主显示器(153)；
次背板区(73)，其中次前板区(63)和次背板区(73)构成次显示器(154)；和
互连背板区(72)，所述互连背板区电互连主背板区(71)和次背板区(73)以将次显示器(154)限定为主显示器(153)的扩展；以及
棒(151)，其中柔性显示装置(152)结构上配置为卷绕棒(151)以便储存主显示器(153)并观看次显示器(154)，且从棒(151)展开以便操作主显示器(153)。
21.如权利要求20所述的卷绕显示装置(150)，其中：
次前板区(63)包括按键(156)以便在卷绕位置控制装置的操作。
22.一种柔性显示装置(50，51)，包括：
结构上配置为形成至少两个显示器(71，73，76)的非连续前板(64)和连续背板(74)，其中：
所述至少两个显示器(71，73，76)由非连续前板空间上分开，且通过连续背板至少部分电互连。
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ATE510239T1 (de) 2011-06-15
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US20100171683A1 (en) 2010-07-08
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