CN108711575B - 显示面板和显示装置 - Google Patents
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Abstract
本发明公开了一种显示面板和显示装置。显示面板包括显示区和非显示区,显示区包括弧形拐角,非显示区包括与弧形拐角相邻的拐角非显示区;显示面板包括信号线、信号连接线和多个级联的移位寄存器;在拐角非显示区内,级联走线位于移位寄存器远离显示区的一侧,信号线位于级联走线远离移位寄存器的一侧,级联走线包括延长线与位于延长线两端的级联连接线,级联连接线连接移位寄存器和延长线,信号线和延长线的走线方向均与拐角非显示区外边缘平行,所有移位寄存器中的薄膜晶体管的沟道区方向均相同,信号连接线与信号线交叠的部分垂直于信号线,信号连接线与延长线交叠的部分垂直于延长线。本发明能够提高屏占比,同时降低显示面板的功耗。
Description
技术领域
本发明涉及显示技术领域,更具体地,涉及一种显示面板和显示装置。
背景技术
现有的显示装置技术中,显示面板主要分为液晶显示面板和有机自发光显示面板两种主流的技术。其中,液晶显示面板通过在液晶分子两端施加电压,形成能够控制液晶分子偏转的电场,进而控制光线的透过实现显示面板的显示功能;有机自发光显示面板采用有机电致发光材料,当有电流通过有机电致发光材料时,发光材料就会发光,进而实现了显示面板的显示功能。
随着科技的发展,电子显示装置的设计方面不断的追求用户流畅的使用体验,同时,也越来越追求用户的感官体验,例如:广视角、高分辨率、高屏占比等性能成为各电子显示装置的卖点。
因此,提供一种高屏占比的显示面板和显示装置,是本领域亟待解决的问题。
发明内容
有鉴于此,本发明提供了一种显示面板和显示装置,解决了提高屏占比的技术问题。
为了解决上述技术问题,本发明提出一种显示面板,包括:显示区和包围显示区的非显示区,显示区包括弧形拐角,非显示区包括与弧形拐角相邻的拐角非显示区;
显示面板包括信号线、信号连接线和多个级联的移位寄存器,其中,多个级联的移位寄存器之间通过级联走线电性连接,每个移位寄存器通过信号连接线连接至对应的信号线;
在拐角非显示区内,级联走线位于移位寄存器远离显示区的一侧,信号线位于级联走线远离移位寄存器的一侧,级联走线包括延长线与位于延长线两端的级联连接线,级联连接线连接移位寄存器和延长线,信号线和延长线的走线方向均与拐角非显示区的外边缘平行,
每个移位寄存器包括至少一个薄膜晶体管,所有移位寄存器中的薄膜晶体管的沟道区方向均相同,信号连接线的与信号线交叠的部分垂直于信号线,信号连接线的与延长线交叠的部分垂直于延长线。
进一步地,为了解决上述技术问题,本发明提出一种显示装置,包括本发明提供的任意一种显示面板。
与现有技术相比,本发明的显示面板和显示装置,实现了如下的有益效果:
本发明提供的显示面板,显示区包括弧形拐角,在与弧形拐角相邻的拐角非显示区内,设置级联走线位于移位寄存器远离显示区一侧,信号线位于级联走线远离移位寄存器一侧,相当于将走线均设置在移位寄存器的外侧,给拐角非显示区内移位寄存器的设置留出足够的空间,且信号线和级联走线中的延长线的走线方向均与拐角非显示区的外边缘平行,与一些常规技术中设置阶梯状走线的设计相比,能够减少走线占用的空间,有利于边框的窄化,提高屏占比;另外,本发明中所有移位寄存器中的薄膜晶体管的沟道区方向均相同,避免了制作中曝光的各向异性导致薄膜晶体管器件沟道的宽长比变化,进而影响显示面板的驱动性能;同时,本发明中将信号线和级联走线均设置在移位寄存器远离显示区一侧,通过信号连接线连接信号线和移位寄存器,则信号连接线需要与部分信号线或者部分延长线绝缘交叉,才能连接到移位寄存器,在信号连接线上会产生耦合电容,设置信号连接线的与信号线交叠的部分垂直于信号线,信号连接线的与延长线交叠的部分垂直于延长线,保证信号连接线与信号线和延长线交叠的面积最小,从而降低信号连接线上产生的耦合电容,有利于降低显示面板的功耗。
通过以下参照附图对本发明的示例性实施例的详细描述,本发明的其它特征及其优点将会变得清楚。
附图说明
被结合在说明书中并构成说明书的一部分的附图示出了本发明的实施例,并且连同其说明一起用于解释本发明的原理。
图1为本发明实施例提供的显示面板的局部示意图;
图2为本发明实施例提供的显示面板的局部放大图;
图3为本发明实施例提供的显示面板拐角非显示区的局部放大图;
图4为图3中切线X1处的截面示意图;
图5为图3中切线X2处的截面示意图;
图6为本发明实施例提供的显示面板的阵列基板膜层结构图;
图7为本发明实施例提供的显示面板一种可选实施方式示意图;
图8为本发明实施例提供的显示面板另一种可选实施方式示意图;
图9为本发明实施例提供的显示面板另一种可选实施方式示意图;‘
图10为本发明实施例提供的显示装置示意图。
具体实施方式
现在将参照附图来详细描述本发明的各种示例性实施例。应注意到:除非另外具体说明,否则在这些实施例中阐述的部件和步骤的相对布置、数字表达式和数值不限制本发明的范围。
以下对至少一个示例性实施例的描述实际上仅仅是说明性的,决不作为对本发明及其应用或使用的任何限制。
对于相关领域普通技术人员已知的技术、方法和设备可能不作详细讨论,但在适当情况下,所述技术、方法和设备应当被视为说明书的一部分。
在这里示出和讨论的所有例子中,任何具体值应被解释为仅仅是示例性的,而不是作为限制。因此,示例性实施例的其它例子可以具有不同的值。
应注意到:相似的标号和字母在下面的附图中表示类似项,因此,一旦某一项在一个附图中被定义,则在随后的附图中不需要对其进行进一步讨论。
本发明涉及一种显示面板和显示装置。显示面板包括阵列基板、彩膜基板和设置于阵列基板和彩膜基板之间的液晶层。阵列基板包括衬底基板和在衬底基板上形成的薄膜晶体管、公共电极、像素电极、栅极线和数据线等,其中,薄膜晶体管作为显示面板中子像素的开关器件。薄膜晶体管的栅极连接显示面板的栅极线,经由栅极线连接至栅极扫描电路,薄膜晶体管的源极连接数据线,经由数据线连接至集成电路芯片(IC),薄膜晶体管的漏极连接至像素电极,通过数据线加载电压至像素电极,使得像素电极与公共电极之间形成电场,进而液晶层的液晶分子在该电场内偏转,从而控制光线出射与否,进而实现显示面板的显示。
目前随着对显示装置外形的设计要求,现有的显示面板中,显示区的拐角通常为非直角拐角,这就要求对显示面板中电路器件单元和走线进行设计,以保证适应非显示区的形状。本发明提供一种显示面板,对非显示区的电路器件和走线进行设计,能够减小对非显示区的占用面积,提高屏占比。
图1为本发明实施例提供的显示面板的局部示意图。图2为本发明实施例提供的显示面板的局部放大图。
如图1所示,显示面板包括:显示区AA和包围显示区AA的非显示区BA,显示区AA包括弧形拐角H,非显示区BA包括与弧形拐角H相邻的拐角非显示区HBA;需要说明的是,图1中显示面板的形状仅是示意性表示,例如在一些可选的实施方式中,显示面板的显示区AA可以具有缺口,但是显示区AA同样具有如图1所示的弧形拐角H。
显示面板包括信号线11、信号连接线12和多个级联的移位寄存器ASG,其中,多个级联的移位寄存器ASG之间通过级联走线13电性连接,每个移位寄存器ASG通过信号连接线12连接至对应的信号线11。为了实现显示面板的显示,显示面板中包括多条信号线11,多条信号线11分别给移位寄存器ASG提供时钟信号、触发信号、高电平信号、低电平信号等,相应的信号连接线12也包括多条,图1中示出的信号线11、信号连接线12的个数均是示意性表示。为了实现级联的移位寄存器ASG之间信号传递,例如第n级移位寄存器ASG(其中,n为正整数)与第n+1级移位寄存器ASG之间需要通过级联走线13电连接,图1中仅是示意性表示出一条级联走线13。
继续参考图2所示,图2示出了显示区AA的弧形拐角和拐角非显示区HBA。在拐角非显示区HBA内,级联走线13位于移位寄存器ASG远离显示区AA的一侧,信号线11位于级联走线13远离移位寄存器ASG的一侧,级联走线13包括延长线131与位于延长线131两端的级联连接线132,级联连接线132连接移位寄存器ASG和延长线131,信号线11和延长线131的走线方向均与拐角非显示区HBA的外边缘Y平行。每个移位寄存器ASG包括至少一个薄膜晶体管,所有移位寄存器ASG中的薄膜晶体管的沟道区方向均相同(图2中未示出),信号连接线12的与信号线11交叠的部分垂直于信号线11,如区域Z1所示,信号连接线12的与延长线131交叠的部分垂直于延长线131,如区域Z2所示。
需要说明的是,为了实现移位寄存器的信号移位功能,在移位寄存器中可能包括多个薄膜晶体管,薄膜晶体管的沟道区为薄膜晶体管中有源层中的部分区域,薄膜晶体管的源极和漏极通过沟道区连接,本发明中所述的沟道区的方向指的是沟道区中源极到漏极的方向。图1中级联走线的连接方式仅是示意性表示。每条级联走线连接两个移位寄存器,可以是每条级联走线连接相邻的两个移位寄存器,或者也可以是图1中示出的每条级联走线连接的是不相邻的两个移位寄存器,具体的连接方式与显示面板电路的驱动方式有关。在拐角非显示区内,信号线与延长线的走线方向均与拐角非显示区的外边缘平行,则信号线与延长线均为弧形延伸,则信号连接线的与信号线交叠的部分垂直于信号线,指的是信号连接线的与信号线交叠的部分垂直于弧形信号线的切线。同样的,信号连接线的与延长线交叠的部分垂直于延长线,指的是信号连接线的与延长线交叠的部分垂直于弧形延长线的切线。
本发明提供的显示面板,显示区包括弧形拐角,在与弧形拐角相邻的拐角非显示区内,设置级联走线位于移位寄存器远离显示区一侧,信号线位于级联走线远离移位寄存器一侧,相当于将走线均设置在移位寄存器的外侧,给拐角非显示区内移位寄存器的设置留出足够的空间,且信号线和级联走线中的延长线的走线方向均与拐角非显示区的外边缘平行,与一些常规技术中设置阶梯状走线的设计相比,能够减少走线占用的空间,有利于边框的窄化,提高屏占比;另外,本发明中所有移位寄存器中的薄膜晶体管的沟道区方向均相同,避免了制作中曝光的各向异性导致薄膜晶体管器件沟道的宽长比变化,进而影响显示面板的驱动性能;同时,本发明中将信号线和级联走线均设置在移位寄存器远离显示区一侧,通过信号连接线连接信号线和移位寄存器,则信号连接线需要与部分信号线或者部分延长线绝缘交叉,才能连接到移位寄存器,在信号连接线上会产生耦合电容,设置信号连接线的与信号线交叠的部分垂直于信号线,信号连接线的与延长线交叠的部分垂直于延长线,保证信号连接线与信号线和延长线交叠的面积最小,从而降低信号连接线上产生的耦合电容,有利于降低显示面板的功耗。
进一步的,继续参考图2所示,在拐角非显示区HBA内,级联连接线132与延长线131连接的一端垂直于延长线131,如区域Z3所示。级联走线包括级联连接线和延长线,且级联走线位于移位寄存器远离显示区一侧,级联连接线连接到移位寄存器时,可能会与部分延长线绝缘交叉产生耦合电容,该实施方式提供的显示面板中设置级联连接线与延长线连接的一端垂直于延长线(也即垂直于弧形延长线的切线),能够保证级联连接线与部分延长线交叠的面积最小,从而降低级联连接线上产生的耦合电容,进一步有利于降低显示面板的功耗。
进一步的,图3为本发明实施例提供的显示面板拐角非显示区的局部放大图,图4为图3中切线X1处的截面示意图,图5为图3中切线X2处的截面示意图。
如图3示出了拐角非显示区中,在无限放大情况下信号线11和延长线131均趋向于直线,移位寄存器ASG通过信号连接线12连接至对应的信号线11,级联连接线132连接移位寄存器ASG和延长线131,信号连接线12通过第一过孔K1与信号线11电连接,部分级联连接线132通过第二过孔K2与延长线131电连接。
同时参考图4和图5所示,本发明提供的显示面板包括阵列基板,阵列基板101包括第一金属层M1和第二金属层M2;其中,信号线11和延长线131在第一金属层M1走线,信号连接线12和部分级联连接线132在第二金属层M2走线,如图4中所示,信号连接线12通过第一过孔K1与信号线11电连接,如图5中所示,部分级联连接线132通过第二过孔K2与延长线131电连接。
可选的,根据级联驱动电路设计的不同,部分级联连接线也可以位于第一金属层,此时,级联连接线与延长线不需要过孔连接,而是级联连接线与延长线直接连接,然后级联连接线再连接到移位寄存器。
进一步的,图6为本发明实施例提供的显示面板的阵列基板膜层结构图。如图6所示,阵列基板101包括多个显示开关T(图中个数仅是示意性表示),显示开关T作为显示面板中像素的开关器件,显示开关T为薄膜晶体管,显示开关T包括栅极T1、源极T2、漏极T3和有源层T4,图6中仅以顶栅结构为例,可选的显示开关T也可以为底栅结构。显示开关T的栅极T1位于第一金属层M1,显示开关T的源极T2和漏极T3位于第二金属层M2,则显示面板中,信号线和延长线与显示开关的栅极同一膜层制备,信号连接线和部分级联连接线与显示开关的源极和漏极同一膜层制备。
可选的,继续参考图6所示,在栅极T1和有源层T4之间设置有栅极绝缘层1011,在栅极T1与源极T2和漏极T3所在膜层之间设置有层间绝缘层1012,在源极T2和漏极T3之上还设置有钝化层1013。
进一步的,继续参考图2所示,本发明提供的显示面板中,在拐角非显示区HBA内,沿移位寄存器ASG排列的方向上,相邻的两个移位寄存器ASG之间的间距L相同。该实施方式中,移位寄存器在拐角非显示区内均匀排布,有利于对拐角非显示区内空间的合理设计利用,实现拐角非显示区的窄化。
进一步的,图7为本发明实施例提供的显示面板一种可选实施方式示意图。如图7所示,非显示区BA还包括沿第一方向a延伸的第一非显示区BA1,第一非显示区BA1与拐角非显示区HBA相邻,在第一非显示区BA1内,级联走线13位于移位寄存器ASG远离显示区AA的一侧,信号线11位于级联走线13远离移位寄存器ASG的一侧,且,信号线11和级联走线13均沿第一方向a走线,每个移位寄存器ASG通过信号连接线12连接至对应的信号线11,所有移位寄存器ASG中的薄膜晶体管的沟道区方向均与拐角非显示区HBA内的移位寄存器中的薄膜晶体管的沟道区方向相同(图中未示出薄膜晶体管),信号连接线12的与信号线11交叠的部分垂直于信号线11,信号连接线12的与延长线131交叠的部分垂直于延长线131。
该实施方式中,在第一非显示区内,设置级联走线位于移位寄存器远离显示区一侧,信号线位于级联走线远离移位寄存器一侧,相当于将走线均设置在移位寄存器的外侧,且信号线和级联走线中的延长线的走线方向均与第一非显示区的延伸方向相同。本发明中所有移位寄存器中的薄膜晶体管的沟道区方向均与拐角非显示区内的移位寄存器中的薄膜晶体管的沟道区方向相同,避免了制作中曝光的各向异性导致薄膜晶体管器件沟道的宽长比变化,进而影响显示面板的驱动性能;同时,本发明中在第一非显示区内,设置信号连接线的与信号线交叠的部分垂直于信号线,信号连接线的与延长线交叠的部分垂直于延长线,保证信号连接线与信号线和延长线交叠的面积最小,从而降低信号连接线上产生的耦合电容,有利于进一步降低显示面板的功耗。
继续参考图7所示,在第一非显示区BA1内,级联走线13包括延长线131与位于延长线131两端的级联连接线132,级联连接线132连接移位寄存器ASG和延长线131,级联连接线132与延长线131连接的一端垂直于延长线131。级联走线包括级联连接线和延长线,且级联走线位于移位寄存器远离显示区一侧,级联连接线连接到移位寄存器时,可能会与部分延长线绝缘交叉产生耦合电容,该实施方式提供的显示面板中在第一非显示区内,设置级联连接线与延长线连接的一端垂直于延长线(也即垂直于弧形延长线的切线),能够保证级联连接线与部分延长线交叠的面积最小,从而降低级联连接线上产生的耦合电容,进一步降低显示面板的功耗。
进一步的,图8为本发明实施例提供的显示面板另一种可选实施方式示意图。如图8所示,非显示区BA包括两个拐角非显示区HBA和两个第一非显示区BA1;两个拐角非显示区HBA沿第二方向b上位于显示区AA的两侧,两个第一非显示区BA1沿第二方向b上位于显示区AA的两侧,第二方向b与第一方向a垂直。图8中并未示出显示面板中的移位寄存器及各种走线。该实施方式中,在显示面板的显示区的两侧的非显示区内分散设置移位寄存器及各种走线,减小了移位寄存器在单侧非显示内占用面积,有利于实现显示面板边框的窄化。
进一步的,图9为本发明实施例提供的显示面板另一种可选实施方式示意图。如图9所示,显示区AA包括多条沿第二方向b延伸的栅极线G,每条栅极线G与一个移位寄存器电ASG连接;其中,位于奇数行的栅极线G1连接位于显示区AA同一侧的第一非显示区BA1或拐角非显示区HBA内的移位寄存器ASG,位于偶数行的栅极线G2连接位于显示区AA另一侧的第一非显示区BA1或拐角非显示区HBA内的移位寄存器ASG。该实施方式中,位于奇数行的栅极线连接位于显示区同一侧的移位寄存器,位于偶数行的栅极线连接位于显示区另一侧的移位寄存器,能够实现显示面板的交叉驱动。
进一步的,本发明提供的显示面板中,薄膜晶体管的有源层的制作材料包括非晶硅半导体材料或者金属氧化物半导体材料。非晶硅半导体材料可以沉积在各种大面积的衬底上,生产成本低廉,且具有较低的关断电流和较高的开关电流比。采金属氧化物半导体材料制作的有源层,通常具有较高的迁移率、小的亚阀值摆幅和较低的关态电流。可选的,氧化物半导体材料可以为铟镓锌氧化物(IGZO),铟镓锌氧化物中载流子迁移率高,能够提高薄膜晶体管对像素电极的充放电速率,提高像素的响应速度,实现更快的刷新率,同时更快的响应也大大提高了像素的行扫描速率,提高显示分辨率。
进一步的,本发明还提供一种显示装置,本发明任意实施例提供的显示面板。图10为本发明实施例提供的显示装置示意图。本发明实施例提供的显示装置可以是任何具有显示功能的电子产品,包括但不限于以下类别:电视机、笔记本电脑、桌上型显示器、平板电脑、数码相机、手机、智能手环、智能眼镜、车载显示器、医疗设备、工控设备、触摸交互终端等。
通过上述实施例可知,本发明的显示面板和显示装置,达到了如下的有益效果:
本发明提供的显示面板,显示区包括弧形拐角,在于弧形拐角相邻的拐角非显示区内,设置级联走线位于移位寄存器远离显示区一侧,信号线位于级联走线远离移位寄存器一侧,且信号线和级联走线中的延长线的走线方向均与拐角非显示区的外边缘平行,能够减少走线占用的空间,有利于边框的窄化,提高屏占比;另外,本发明中所有移位寄存器中的薄膜晶体管的沟道区方向均相同,避免了制作中曝光的各向异性导致薄膜晶体管器件沟道的宽长比变化,进而影响显示面板的驱动性能;同时,设置信号连接线的与信号线交叠的部分垂直于信号线,信号连接线的与延长线交叠的部分垂直于延长线,保证信号连接线与信号线和延长线交叠的面积最小,从而降低信号连接线上产生的耦合电容,有利于降低显示面板的功耗。
虽然已经通过例子对本发明的一些特定实施例进行了详细说明,但是本领域的技术人员应该理解,以上例子仅是为了进行说明,而不是为了限制本发明的范围。本领域的技术人员应该理解,可在不脱离本发明的范围和精神的情况下,对以上实施例进行修改。本发明的范围由所附权利要求来限定。
Claims (11)
1.一种显示面板,其特征在于,包括:显示区和包围所述显示区的非显示区,所述显示区包括弧形拐角,所述非显示区包括与所述弧形拐角相邻的拐角非显示区;
所述显示面板包括信号线、信号连接线和多个级联的移位寄存器,其中,所述多个级联的移位寄存器之间通过级联走线电性连接,每个所述移位寄存器通过所述信号连接线连接至对应的所述信号线;
在所述拐角非显示区内,所述级联走线位于所述移位寄存器远离所述显示区的一侧,所述信号线位于所述级联走线远离所述移位寄存器的一侧,所述级联走线包括延长线与位于所述延长线两端的级联连接线,所述级联连接线连接所述移位寄存器和所述延长线,所述信号线和所述延长线的走线方向均与所述拐角非显示区的外边缘平行,
每个所述移位寄存器包括至少一个薄膜晶体管,所有所述移位寄存器中的所述薄膜晶体管的沟道区方向均相同,所述信号连接线的与所述信号线交叠的部分垂直于所述信号线,所述信号连接线的与所述延长线交叠的部分垂直于所述延长线。
2.根据权利要求1所述的显示面板,其特征在于,
在所述拐角非显示区内,所述级联连接线与所述延长线连接的一端垂直于所述延长线。
3.根据权利要求1或2所述的显示面板,其特征在于,
所述显示面板包括阵列基板,所述阵列基板包括第一金属层和第二金属层;其中,
所述信号线和所述延长线在所述第一金属层走线,所述信号连接线和部分所述级联连接线在所述第二金属层走线,所述信号连接线通过第一过孔与所述信号线电连接,部分所述级联连接线通过第二过孔与所述延长线电连接。
4.根据权利要求3所述的显示面板,其特征在于,
所述阵列基板包括多个显示开关,所述显示开关为薄膜晶体管,所述显示开关的栅极位于所述第一金属层,所述显示开关的源极和漏极位于所述第二金属层。
5.根据权利要求1所述的显示面板,其特征在于,
在所述拐角非显示区内,沿所述移位寄存器排列的方向上,相邻的两个所述移位寄存器之间的间距相同。
6.根据权利要求1所述的显示面板,其特征在于,
所述非显示区还包括沿第一方向延伸的第一非显示区,所述第一非显示区与所述拐角非显示区相邻,
在所述第一非显示区内,所述级联走线位于所述移位寄存器远离所述显示区的一侧,所述信号线位于所述级联走线远离所述移位寄存器的一侧,且,所述信号线和所述级联走线均沿所述第一方向走线,所有所述移位寄存器中的薄膜晶体管的沟道区方向均与所述拐角非显示区内的所述移位寄存器中的薄膜晶体管的沟道区方向相同,所述信号连接线的与所述信号线交叠的部分垂直于所述信号线,所述信号连接线的与所述延长线交叠的部分垂直于所述延长线。
7.根据权利要求6所述的显示面板,其特征在于,
在所述第一非显示区内,所述级联走线包括延长线与位于所述延长线两端的级联连接线,所述级联连接线连接所述移位寄存器和所述延长线,所述级联连接线与所述延长线连接的一端垂直于所述延长线。
8.根据权利要求6所述的显示面板,其特征在于,
所述非显示区包括两个所述拐角非显示区和两个所述第一非显示区;
两个所述拐角非显示区沿第二方向上位于所述显示区的两侧,两个所述第一非显示区沿所述第二方向上位于所述显示区的两侧,所述第二方向与所述第一方向垂直。
9.根据权利要求8所述的显示面板,其特征在于,
所述显示区包括多条沿所述第二方向延伸的栅极线,每条所述栅极线与一个所述移位寄存器电连接;其中,
位于奇数行的所述栅极线连接位于所述显示区同一侧的所述第一非显示区或所述拐角非显示区内的所述移位寄存器,位于偶数行的所述栅极线连接位于所述显示区另一侧的所述第一非显示区或所述拐角非显示区内的所述移位寄存器。
10.根据权利要求1所述的显示面板,其特征在于,
所述薄膜晶体管的有源层的制作材料包括非晶硅半导体材料或者金属氧化物半导体材料。
11.一种显示装置,其特征在于,包括权利要求1至10任一项所述的显示面板。
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