CN105718105A - 有机发光二极管触控显示面板 - Google Patents
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Abstract
一种有机发光二极管触控显示面板,包括:衬底基板;驱动结构,形成于该衬底基板的一侧,用于提供显示驱动信号;信号发送元件,设于该衬底基板远离该驱动结构的一侧,用于发送超声波信号;发光结构,接收该显示驱动信号并发光,该发光结构设于该衬底基板远离该信号发送元件的一侧,该发光结构包括多个发光单元,相邻的二发光单元间由一黑矩阵隔开;信号接收元件,用于接收反射至其上的超声波,该信号接收元件包括多个呈矩阵排列的薄膜晶体管单元,多个薄膜晶体管单元形成于该黑矩阵上。由于将显示结构部分与触控结构部分集成在一起,无需再额外附加触摸屏,更符合轻薄化设计。
Description
技术领域
本发明涉及一种有机发光二极管触控显示面板,尤其是涉及一种包含有机发光二极管的有机发光二极管触控显示面板。
背景技术
有机发光二极管(Organiclight-emittingdiodes,OLED)式显示面板具有体积小、重量轻、可视范围广、高对比度以及高反应速度等优点,目前已被广泛应用。现有的的OLED触控显示器通常是在OLED显示面板上通过粘接等方式附加一触控屏来实现,导致OLED触控显示器组装结构复杂,难于降低整个有机发光式触控显示器的厚度,不符合现有触控显示器日益集成化及轻薄化的发展趋势。
发明内容
鉴于以上内容,有必要提供一种利于轻薄化发展的有机发光二极管触控显示面板。
一种有机发光二极管触控显示面板,包括:衬底基板;驱动结构,形成于该衬底基板的一侧,用于提供显示驱动信号;信号发送元件,设于该衬底基板远离该驱动结构的一侧,用于发送超声波信号;发光结构,接收该显示驱动信号并发光,该发光结构设于该衬底基板远离该信号发送元件的一侧,该发光结构包括多个发光单元,相邻的二发光单元间由黑矩阵隔开;及信号接收元件,用于接收该有机发光二极管触控显示面板反射回的超声波,该信号接收元件包括多个呈矩阵排列的薄膜晶体管单元,多个薄膜晶体管单元形成于该黑矩阵上。
相较于现有技术,本发明的有机发光二极管触控显示面板将具触控功能的传感器的信号接收元件设于发光结构内,使得该有机发光二极管触控显示面板的显示结构部分与触控结构部分集成在一起,无需再额外附加触摸屏,从而该有机发光二极管触控显示面板结构较为简单,更符合轻薄化设计。
附图说明
图1为本发明所提供的第一实施方式的有机发光二极管触控显示面板的截面示意图。
图2为本发明所提供的第二实施方式的有机发光二极管触控显示面板的截面示意图。
图3为本发明所提供的第三实施方式的有机发光二极管触控显示面板的截面示意图。
主要元件符号说明
有机发光二极管触控显示面板/OLED显示面板 | 100 |
信号发送元件 | 110 |
衬底基板 | 120 |
第一表面 | 121 |
第二表面 | 122 |
驱动结构 | 130 |
发光结构 | 140 |
第一电极 | 141 |
第二电极 | 142 |
发光层 | 143 |
第一色发光单元/红色发光单元 | 1431 |
第二色发光单元/绿色发光单元 | 1432 |
第三色发光单元/蓝色发光单元 | 1433 |
黑矩阵 | 150 |
第一黑矩阵单元 | 151 |
第二黑矩阵单元 | 152 |
信号接收元件 | 160 |
薄膜晶体管阵列/TFT阵列 | 161 |
TFT单元 | 1611 |
压电结构 | 162 |
压电元件 | 1621 |
盖板玻璃 | 170 |
如下具体实施方式将结合上述附图进一步说明本发明。
具体实施方式
以下通过具体实施例配合附图进行详细说明。
请参阅图1,图1为本发明所提供的第一实施方式的有机发光二极管(Organiclight-emittingdiodes,OLED)触控显示面板100的截面示意图。本实施方式的OLED触控显示面板100包括信号发送元件110、衬底基板120、驱动结构130、发光结构140、信号接收元件160及盖板玻璃170。该信号发送元件110及该信号接收元件160共同形成一触控传感器(未标示),例如为超声波式触控传感器,用于感应作用于该OLED触控显示面板100上的触控动作并产生相应的触控功能。
该衬底基板120具有相对的第一表面121及第二表面122,该信号发送元件110设于该第一表面121,用于持续发送超声波信号。该驱动结构130设置于该第二表面122并与该发光结构140电性连接,用于提供显示驱动信号至该发光结构140。该驱动结构130例如包括多个呈阵列排列的显示驱动薄膜晶体管(ThinFilmTransistor,TFT)、多条扫描线及多条数据线(图均未示)。该多条扫描线与该多条数据线分别相互垂直绝缘相交,相邻两扫描线及相邻两数据线共同定义一像素,每一像素内设置有一所述显示驱动TFT。
该发光结构140及该信号接收元件160形成于该驱动结构130及该盖板玻璃170之间。该发光结构140用于发射画面显示所需的光,其包括第一电极141、第二电极142及位于该第一电极141及该第二电极142之间的发光层143。该第一电极141较该第二电极142更靠近该衬底基板120。该发光层143在该第一电极141与该第二电极142的驱动下发光。该第一电极141例如为阳极,该第二电极142例如为阴极。
该发光层143为彩色发光层,包括多种颜色的发光单元,本实施方式中,该彩色发光层143包括多个第一色发光单元1431、多个第二色发光单元1432及多个第三色发光单元1433。该第一色发光单元1431例如为包括红(R)色发光单元1431、该第二色发光单元1432例如为绿(G)色发光单元1432、该第三色发光单元1433例如为蓝(B)色发光单元1433。不同颜色的发光单元相邻设置,本实施方式中,相邻的一所述第一色发光单元1431、一所述第二色发光单元1432及一所述第三色发光单元1433组成一发光单元组(未标示)。每一发光单元组对应一所述像素。相邻的二色发光单元之间由黑矩阵150隔开。本实施方式中,该黑矩阵150包括多个第一黑矩阵单元151及多个第二黑矩阵单元152,相邻二所述发光单元组之间的黑矩阵150为第一黑矩阵单元151,位于每一所述发光单元组内的相邻两种颜色的发光单元之间的为第二黑矩阵单元152。本实施方式中,该第一黑矩阵单元151的面积与该第二黑矩阵单元152的面积相等。在其他实施例中,该第一黑矩阵单元151的面积大于该第二黑矩阵单元152的面积。该发光结构140周围由透明凝胶(未图示)填充并密封,具体地,该透明凝胶起防水防气作用,其将该发光结构140周围的空隙填满以将该发光结构140密封,从而防止该第一电极141、该第二电极142及该发光层143受到外界水气的侵蚀。
该信号接收元件160用于接收反射至其上的超声波并输出至一外部电路(图未示),其包括薄膜晶体管阵列(简称TFT阵列)161及压电结构162。该TFT阵列161包括多个呈矩阵排列的TFT单元1611,各TFT单元1611分别与该压电结构162电性耦合,同时也与所述外部电路电性连接,例如通过一柔性线路板(图未示)电性连接至所述外部电路。该压电结构162例如包括多个成阵列排列的压电元件1621,该压电元件1621例如可为聚二氟亚乙烯(PolyvinylideneFluoride,PVDF)材料。该多个压电元件1621间隔设于该盖板玻璃170邻近该TFT阵列161一侧的表面,每一压电元件1621对应一所述像素及一所述TFT单元1611。本实施方式中,该多个TFT单元1611同时形成于该第一黑矩阵单元151及该第二黑矩阵单元152上。当然,该TFT单元1611也可仅形成于该第二黑矩阵单元152上。
该触控传感器在使用时,该信号发送元件110发射出超声波,部分该超声波穿过该基板120、该驱动结构130、该发光结构140、该盖板170,当外界物体,例如手指,触摸该盖板170表面时,到达该手指的超声波部分被吸收,另一部分自该手指反射至该信号接收元件160,由于该手指的存在,使自该盖板170反射至该信号接收元件122的超声波发生变化,从而形成触控信息,进而产生相应的触控功能。
请参阅图2,图2为本发明所提供的第二实施方式的有机发光二极管触控显示面板100的截面示意图。为便于陈述,本实施方式沿用上述实施方式的元件标号。本实施方式的有机发光二极管(Organiclight-emittingdiodes,简称OLED)触控显示面板100包括信号发送元件110、衬底基板120、驱动结构130、发光结构140、信号接收元件160及盖板玻璃170。该信号发送元件110及该信号接收元件160共同形成一触控传感器(未标示),例如超声波式触控传感器,用于感应作用于该OLED触控显示面板100上的触控动作并形成相应的输出功能。
该衬底基板120具有相对的第一表面121及第二表面122,该信号发送元件110设于该第一表面121,用于持续发送超声波信号。该驱动结构130设置于该第二表面122并与该发光结构140电性连接,用于提供显示驱动信号至该发光结构140。该驱动结构130例如包括多个呈阵列排列的显示驱动薄膜晶体管(ThinFilmTransistor,TFT)、多条扫描线及多条数据线(图均未示)。该多条扫描线与该多条数据线分别相互垂直绝缘相交,相邻两扫描线及相邻两数据线共同定义一像素,每一像素内设置有一所述显示驱动TFT。
该发光结构140及该信号接收元件160形成于该驱动结构130及该盖板玻璃170之间。该发光结构140用于发射画面显示所需的光,其包括第一电极141、第二电极142及位于该第一电极141及该第二电极142之间的发光层143。该第一电极141较该第二电极142更靠近该衬底基板120。该发光层143在该第一电极141与该第二电极142的驱动下发光。该第一电极141例如为阳极,该第二电极142例如为阴极。
该发光层143为彩色发光层,包括多种颜色的发光单元,本实施方式中,该彩色发光层143包括多个第一色发光单元1431、多个第二色发光单元1432及多个第三色发光单元1433。该第一色发光单元1431例如为包括红(R)色发光单元1431、该第二色发光单元1432例如为绿(G)色发光单元1432、该第三色发光单元1433例如为蓝(B)色发光单元1433。不同颜色的发光单元相邻设置,本实施方式中,相邻的一所述第一色发光单元1431、一所述第二色发光单元1432及一所述第三色发光单元1433组成一发光单元组。每一发光单元组对应一所述像素。相邻的二色发光单元之间由一黑矩阵150隔开。该黑矩阵150包括多个第一黑矩阵单元151及多个第二黑矩阵单元152,相邻二所述发光单元组之间的黑矩阵150为第一黑矩阵单元151,每一所述发光单元组内的相邻两种颜色的发光单元之间的黑矩阵150为第二黑矩阵单元152。本实施方式中,该第一黑矩阵单元151的面积与该第二黑矩阵单元152的面积相等。在其他实施例中,该第一黑矩阵单元151的面积大于该第二黑矩阵单元152的面积。该发光结构140周围由透明凝胶填充并密封,具体地,该透明凝胶起防水防气作用,其将该发光结构140周围的空隙填满以将该发光结构140密封,从而防止该第一电极141、该第二电极142及该发光层143受到外界水气的侵蚀。
该信号接收元件160用于接收反射至其上的超声波并输出至一外部电路(图未示),其包括TFT阵列161及压电结构162。该TFT阵列161包括多个呈矩阵排列的TFT单元1611,各TFT单元1611分别与该压电结构162电性耦合,同时也与所述外部电路电性连接,例如通过一柔性线路板(图未示)电性连接至所述外部电路。该压电结构162例如包括多个成阵列排列的压电元件1621,该压电元件1621例如可为聚二氟亚乙烯(PolyvinylideneFluoride,PVDF)材料。该多个压电元件1621间隔设于该盖板玻璃170远离该TFT阵列161一侧的表面,每一压电元件1621对应一所述像素及一所述TFT单元1611。本实施方式中,该多个TFT单元1611同时形成于该第一黑矩阵单元151及该第二黑矩阵单元152上。当然,该TFT单元1611也可仅形成于该第二黑矩阵单元152上。
在使用该触控传感器时,该信号发送元件110发射出超声波,部分该超声波穿过该基板120、该驱动结构130、该发光结构140、该盖板170,当外界物体,例如手指,触摸该盖板170表面时,到达该手指的超声波部分被吸收,另一部分自该手指反射至该信号接收元件160,由于该手指的存在,使自该盖板170反射至该信号接收元件122的超声波发生变化,从而形成触控信息,进而产生相应的触控功能。
请参阅图3,图3为本发明所提供的第三实施方式的有机发光二极管触控显示面板100的截面示意图。为便于陈述,本实施方式沿用上述实施方式的元件标号。本实施方式的有机发光二极管(Organiclight-emittingdiodes,简称OLED)触控显示面板100包括信号发送元件110、衬底基板120、驱动结构130、发光结构140、信号接收元件160及盖板玻璃170。该信号发送元件110及该信号接收元件160共同形成一触控传感器(未标示),例如超声波式触控传感器,用于感应作用于该OLED触控显示面板100上的触控动作并形成相应的输出功能。
该衬底基板120具有两相对的第一表面121及第二表面122,该信号发送元件110设于该第一表面121,用于持续发送超声波信号。该驱动结构130设置于该第二表面122并与该发光结构140电性连接,用于提供显示驱动信号至该发光结构140。该驱动结构130例如包括多个呈阵列排列的显示驱动薄膜晶体管(ThinFilmTransistor,TFT)、多条扫描线及多条数据线(图均未示)。该多条扫描线与该多条数据线分别相互垂直绝缘相交,相邻两扫描线及相邻两数据线共同定义一像素,每一像素内设置有一所述显示驱动TFT。
该发光结构140及该信号接收元件160形成于该驱动结构130及该盖板玻璃170之间。该发光结构140用于发射画面显示所需的光,其包括第一电极141、第二电极142及位于该第一电极141及该第二电极142之间的发光层143。该第一电极141较该第二电极142更靠近该衬底基板120。该发光层143在该第一电极141与该第二电极142的驱动下发光。该第一电极141例如为阳极,该第二电极142例如为阴极。
该发光层143为彩色发光层,包括多种颜色的发光单元,本实施方式中,该彩色发光层143包括多个第一色发光单元1431、多个第二色发光单元1432及多个第三色发光单元1433。该第一色发光单元1431例如为包括红(R)色发光单元1431、该第二色发光单元1432例如为绿(G)色发光单元1432、该第三色发光单元1433例如为蓝(B)色发光单元1433。不同颜色的发光单元相邻设置,本实施方式中,相邻的一所述第一色发光单元1431、一所述第二色发光单元1432及一所述第三色发光单元1433组成一发光单元组,每一发光单元组对应一所述像素。相邻的二色发光单元之间由一黑矩阵150隔开。该黑矩阵150包括多个第一黑矩阵单元151及多个第二黑矩阵单元152,相邻二所述发光单元组之间的黑矩阵150为第一黑矩阵单元151,每一所述发光单元组内的相邻两种颜色的发光单元之间的黑矩阵150为第二黑矩阵单元152。本实施方式中,该第一黑矩阵单元151的面积与该第二黑矩阵单元152的面积相等。在其他实施方式中,该第一黑矩阵单元151的面积大于该第二黑矩阵单元152的面积。该发光结构140周围由透明凝胶填充并密封,具体地,该透明凝胶起防水防气作用,其将该发光结构140周围的空隙填满以将该发光结构140密封,从而防止该第一电极141、该第二电极142及该发光层143受到外界水气的侵蚀。
该信号接收元件160用于接收反射至其上的超声波并输出至一外部电路(图未示),其包括TFT阵列161及压电结构162。该TFT阵列161包括多个呈矩阵排列的TFT单元1611,各TFT单元1611分别与该压电结构162电性耦合,同时也与所述外部电路电性连接,例如通过一柔性线路板(图未示)电性连接至所述外部电路。该压电结构162例如包括多个成阵列排列的压电元件1621,该压电元件1621例如可为聚二氟亚乙烯(PolyvinylideneFluoride,PVDF)材料。该多个压电元件1621间隔形成该第二电极142上,每一压电元件1621对应一所述像素及一所述TFT单元1611。本实施方式中,该多个TFT单元1611同时形成于该第一黑矩阵单元151及该第二黑矩阵单元152上。当然,该TFT单元1611也可仅形成于该第二黑矩阵单元152上。
在使用该触控传感器时,该信号发送元件110发射出超声波,部分该超声波穿过该基板120、该驱动结构130、该发光结构140、该盖板170,当外界物体,例如手指,触摸该盖板170表面时,到达该手指的超声波部分被吸收,另一部分自该手指反射至该信号接收元件160,由于该手指的存在,使自该盖板170反射至该信号接收元件122的超声波发生变化,从而形成触控信息,进而产生相应的触控功能。
上述各实施方式的变更实施方式中,未图示,该发光层143还可为一发白光的有机材料发光层。此时,该发光结构140还包括一设置于该发光层143上的彩色滤光层,该彩色滤光层例如可设置于该第二电极142上表面或该第二电极142下表面。自该发光层143发出的白光经过该彩色滤光层后形成彩色光以于该OLED触控显示面板上实现彩色显示。该彩色滤光层例如为包括红(R)色发光单元、绿(G)色发光单元、蓝(B)色发光单元三种颜色的彩色滤光层。白光经该红色发光单元、该绿色发光单元及蓝色发光单元后分别以对应颜色的色彩分量射出。相邻二发光单元之间由所述黑矩阵150隔开,该信号接收元件160的TFT阵列161形成于该黑矩阵150上。
本发明的有机发光二极管触控显示面板100将具触控功能的所述传感器的信号接收元件160设于所述发光结构140内,使得该有机发光二极管触控显示面板100的显示结构部分与触控结构部分集成在一起,无需再额外附加如现有技术的触摸屏,从而该有机发光二极管触控显示面板100结构较为简单,更符合轻薄化设计。
当然,本发明并不局限于上述公开的实施例,本发明还可以是对上述实施例进行各种变更。本技术领域人员可以理解,只要在本发明的实质精神范围的内,对以上实施例所作的适当改变和变化都落在本发明要求保护的范围的内。
Claims (10)
1.一种有机发光二极管触控显示面板,其特征在于,包括:
衬底基板;
驱动结构,形成于该衬底基板的一侧,用于提供显示驱动信号;
信号发送元件,设于该衬底基板远离该驱动结构的一侧,用于发送超声波信号;
发光结构,接收该显示驱动信号并发光,该发光结构设于该衬底基板远离该信号发送元件的一侧,该发光结构包括多个发光单元,相邻的二发光单元间由黑矩阵隔开;及
信号接收元件,用于接收该有机发光二极管触控显示面板反射回的超声波,该信号接收元件包括多个呈矩阵排列的薄膜晶体管单元,多个薄膜晶体管单元形成于该黑矩阵上。
2.如权利要求1所述的有机发光二极管触控显示面板,其特征在于,进一步包括一盖板玻璃,该信号接收元件进一步包括多个矩阵排列的压电元件,该多个压电元件形成于该盖板玻璃邻近该发光结构的一侧或远离该发光结构的一侧。
3.如权利要求1所述的有机发光二极管触控显示面板,其特征在于,该信号接收元件进一步包括呈矩阵排列的多个压电元件,该多个压电元件形成于该发光结构的表面。
4.如权利要求1所述的有机发光二极管触控显示面板,其特征在于,该发光结构包括第一电极、第二电极及位于该第一电极与该第二电极之间的发光层。
5.如权利要求4所述的有机发光二极管触控显示面板,其特征在于,该发光层为彩色发光层,其包括该多个发光单元,该多个发光单元包括多个第一色发光单元、多个第二色发光单元及多个第三色发光单元。
6.如权利要求4所述的有机发光二极管触控显示面板,其特征在于,该发光结构进一步包括一彩色滤光层,该彩色滤光层形成于该发光层上,该彩色滤光层包括该多个发光单元,该多个发光单元包括多个第一色发光单元、多个第二色发光单元及多个第三色发光单元。
7.如权利要求5或6所述的有机发光二极管触控显示面板,其特征在于,相邻的一该第一色发光单元、一该第二色发光单元及一该第三色发光单元组成一发光单元组。
8.如权利要求7所述的有机发光二极管触控显示面板,其特征在于,该第一色发光单元为红色发光单元,该第二色发光单元为绿色发光单元,该第三色发光单元为蓝色发光单元。
9.如权利要求1所述的有机发光二极管触控显示面板,其特征在于,该黑矩阵包括多个黑矩阵单元,每一所述黑矩阵单元设于二相邻的所述发光单元之间,该多个薄膜晶体管单元分别形成于该多个黑矩阵单元上。
10.如权利要求1所述的有机发光二极管触控显示面板,其特征在于,该发光结构周围由透明凝胶填充并密封。
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CN105718105B (zh) | 2018-12-11 |
TW201724062A (zh) | 2017-07-01 |
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US20170186820A1 (en) | 2017-06-29 |
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