CN111679522A - 阵列基板及触控显示面板 - Google Patents
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- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
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- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
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- G02F1/136286—Wiring, e.g. gate line, drain line
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- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
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- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
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- G—PHYSICS
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- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136227—Through-hole connection of the pixel electrode to the active element through an insulation layer
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- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier
- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
- H01L27/124—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs with a particular composition, shape or layout of the wiring layers specially adapted to the circuit arrangement, e.g. scanning lines in LCD pixel circuits
Abstract
本发明提供一种阵列基板及触控显示面板,该阵列基板包括第一衬底、开关元件、公共电极和像素电极,所述开关元件、所述公共电极和所述像素电极叠设于所述第一衬底上,且所述公共电极和所述像素电极绝缘间隔设置,所述公共电极分割为多个触控电极,所述阵列基板上还由横向的扫描线和纵向的数据线限定形成多个像素单元,每个所述触控电极的对应所述扫描线的位置开设镂空。本发明的阵列基板和触控显示面板中,由于每个触控电极的对应扫描线的位置开设镂空,因此作为触控电极的公共电极和扫描线之间的寄生电容很小,扫描线通电对公共电极的耦合极小,避免了测试时的横纹问题,且触控电极的感应面积也基本不受影响。
Description
技术领域
本发明涉及触控技术领域,具体涉及一种阵列基板及触控显示面板。
背景技术
液晶显示面板具有画质好、体积小、重量轻、低驱动电压、低功耗、无辐射和制造成本相对较低的优点,在平板显示领域占主导地位。随着显示技术的不断进步,触控装置已经逐渐遍及人们的生活中。目前,一般采用氧化铟锡(Indium Tin Oxides,ITO)透明导电膜作为触控装置的触控电极。由于近年来液晶显示面板技术的成熟发展,将触控技术结合于液晶显示面板逐渐成为一种趋势。
目前,触控面板按照组成结构可以分为外挂式触控显示面板、覆盖表面式触控显示面板和内嵌式触控显示面板。对于内嵌式触控显示面板而言,由于触控电极为公共电极分成多块形成,在测试时,阵列基板的扫描线与触控电极之间的寄生电容,会使得触控显示面板上出现触控横纹,影响测试。
发明内容
针对上述不足,本发明的目的在于提供一种阵列基板及触控显示面板,以避免测试时出现触控横纹。
本发明提供一种阵列基板,包括第一衬底、开关元件、公共电极和像素电极,所述开关元件、所述公共电极和所述像素电极叠设于所述第一衬底上,且所述公共电极和所述像素电极绝缘间隔设置,所述公共电极分割为多个触控电极,所述阵列基板上还由横向的扫描线和纵向的数据线限定形成多个像素单元,每个所述触控电极的对应所述扫描线的位置开设镂空。
在其中一实施例中,每个所述触控电极由所述镂空间隔成多个子电极,每个所述触控电极的所述子电极电性于同一根触控信号线。
在其中一实施例中,所述阵列基板还包括所述触控信号线层,所述触控信号线设置在所述触控信号线层,所述触控信号线层和所述触控电极之间设有第一绝缘层,所述第一绝缘层上开设过孔,所述子电极穿过所述过孔与所述触控信号线电性连接。
在其中一实施例中,每个触控电极的所有所述子电极相互间隔独立设置,每个所述子电极穿过所述过孔与所述触控信号线电性连接。
在其中一实施例中,同一个所述触控电极的所述子电极通过连接部与相邻的子电极电性连接,一个所述触控电极仅穿过一个所述过孔与所述触控信号线电性连接。
在其中一实施例中,每个所述子电极平行于所述扫描线而设。
在其中一实施例中,每间隔一行所述像素单元设置一条所述扫描线,每个所述子电极对应同一行的所述像素单元而设;或者,
每间隔两行所述像素单元设置两条所述扫描线,位于上方的所述扫描线与上方的像素单元内的所述开关元件连接,位于下方的所述扫描线与下方的像素单元内的所述开关元件连接,每个所述子电极对应两行的所述像素单元而设。
在其中一实施例中,相邻所述触控电极之间留有间隙,所述间隙对应一根所述扫描线而设。
在其中一实施例中,所述触控显示面板还包括测试电路,所有所述触控信号线电性连接于测试电路,每个所述触控电极通过一根所述触控信号线电性连接于所述测试电路。
本发明还提供一种触控显示面板,包括上述阵列基板、液晶层和对置基板,所述液晶层位于所述阵列基板和所述对置基板之间。
本发明的阵列基板和触控显示面板中,由于每个触控电极的对应扫描线的位置开设镂空,因此作为触控电极的公共电极和扫描线之间的寄生电容很小,扫描线通电对公共电极的耦合极小,避免了测试时的横纹问题,且触控电极的感应面积也基本不受影响。
附图说明
图1为本发明第一实施例中触控显示面板的剖面结构示意图。
图2为图1所示触控显示面板的阵列基板的一个触控电极的平面结构示意图。
图3为图1所示触控显示面板的阵列基板的平面结构示意图。
图4为本发明第二实施例的触控显示面板的一个触控电极的平面结构示意图。
图5为本发明第三实施例的触控显示面板的一个触控电极的平面结构示意图。
具体实施方式
为使本发明的目的、技术方案和优点更加清楚,下面将结合附图对本发明实施方式作进一步地描述。
第一实施例
图1为本发明一实施例中触控显示面板的剖面结构示意图,请参图1,本实施例提供的触控显示面板包括阵列基板10、液晶层30和对置基板50,液晶层30位于阵列基板10和对置基板50之间。阵列基板10包括第一衬底102、开关元件103、公共电极104和像素电极105,开关元件103、公共电极104和像素电极105叠设于第一衬底102上,且公共电极104和像素电极105绝缘间隔设置。请一并参照图2,公共电极104分割为多个触控电极107,以实现触控功能。请一并参照图3,阵列基板10上还由横向的扫描线91和纵向的数据线93限定形成多个像素单元P。每个触控电极107的对应扫描线91的位置开设镂空109。具体地,多个触控电极107呈矩阵排列。具体地,公共电极104和像素电极105均可由氧化铟锡(ITO,Indium TinOxides,)透明导电膜制成。当显示时,向所有触控电极107施加相同的电压,或者将所有触控电极107电性连接,以作为公共电极使用;当触控时,各触控电极107相互独立,可施加不同的电压,实现触控功能。
本实施例中,每个触控电极107由镂空109间隔成多个子电极111,每个触控电极107的子电极111电性于同一根触控信号线113。具体地,阵列基板10包括触控信号线层,触控信号线113设置在触控信号线层,触控信号线层和触控电极107之间设有第一绝缘层115,第一绝缘层115上开设过孔117,每个触控电极107的所有子电极111相互间隔独立设置,每个子电极111穿过过孔117与触控信号线113电性连接。每个子电极111平行于扫描线91而设。
本实施例中,每间隔一行像素单元P设置一条扫描线91,每个子电极111对应同一行的像素单元P而设。
本实施例中,相邻触控电极107之间留有间隙,间隙对应位置未设置有扫描线91。在另一实施例中,间隙也可对应一根扫描线91而设,这样,与间隙相邻的触控电极107上可少开设一个镂空109。
本实施例中,触控电极107为矩形。可以理解,触控电极107也可为其他形状,在此不做限制。
本实施例中,触控显示面板还包括测试电路70,所有触控信号线113电性连接于测试电路70,每个触控电极107通过一根触控信号线113电性连接于测试电路70。数据线93也可电性连接于测试电路70。
本实施例中,触控电极107包括驱动电极和感应电极,触控电极107为自电容电极,驱动电极和感应电极设于同一层。
本实施例中,每个像素单元P内设有一个开关元件103,开关元件103设于第一衬底102上。具体地,开关元件103可为薄膜晶体管。具体地,每个薄膜晶体管包括栅极、半导体层、源极和漏极,栅极设于第一衬底102上,源极和漏极设于半导体层上并与半导体层接触,源极和漏极相互间隔设置,其中漏极与像素电极电性连接,栅极与扫描线电性连接,源极与数据线电性连接。薄膜晶体管的栅极上设有栅极绝缘层,半导体层设于该栅极绝缘层上。
本实施例中,阵列基板10还包括第二绝缘层119和保护层120,第二绝缘层119覆盖于开关元件上,保护层120覆盖于第二绝缘层上。触控信号线层设于保护层120上。具体地,保护层120为OC层。
本实施例中,阵列基板10还包括第三绝缘层122,公共电极104设于第一绝缘层115上,第三绝缘层122设于公共电极104上,像素电极105设于第一绝缘层115上。可以理解,公共电极104和像素电极105的位置也可互换。
本实施例中,对置基板50可为彩膜基板。对置基板50包括第二衬底502和色阻层504,色阻层504包括多个色阻,相邻色阻之间设有遮光层506以避免混光。具体地,色阻层504设于第二衬底502靠近液晶层30的一侧。遮光层506可为黑矩阵。
本发明的触控显示面板中,由于每个触控电极的对应扫描线的位置开设镂空,因此作为触控电极的公共电极和扫描线之间的寄生电容很小,扫描线通电对公共电极的耦合极小,避免了测试时的横纹问题,且触控电极的感应面积也基本不受影响。
第二实施例
请参图4,本实施例的触控显示面板和第一实施例的触控显示面板结构基本相同,不同之处在于,在本实施例中,同一个触控电极107的子电极111通过连接部124与相邻的子电极111电性连接,一个触控电极107仅需要穿过一个过孔117与触控信号线113电性连接,而无需每个子电极111分别穿过一个过孔117与触控信号线113电性连接,可大大减少过孔117的开设数量,简化制造过程。
具体地,连接部124对应数据线93的位置而设,也就是对应对置基板50的遮光层506的位置。
具体地,连接部124可设于触控电极107的一端,也可设于触控电极107的中部。
第三实施例
请参图5,本实施例的触控显示面板和第一实施例的触控显示面板结构基本相同,不同之处在于,在本实施例中,每间隔两行像素单元P设置两条扫描线91,位于上方的扫描线91与上方的像素单元P内的开关元件103连接,位于下方的扫描线91与下方的像素单元P内的开关元件103连接。每个子电极111对应两行的像素单元P而设。这样,每个触控电极107上的镂空109的数量可开设得较少,简化了制造过程,也可增大触控电极107的感应面积。
第四实施例
本发明还提供一种阵列基板10,该阵列基板10为上述任一实施例中的阵列基板10,阵列基板10的具体结构在此不再赘述。
本发明的阵列基板中,由于每个触控电极的对应扫描线的位置开设镂空,因此作为触控电极的公共电极和扫描线之间的寄生电容很小,扫描线通电对公共电极的耦合极小,避免了测试时的横纹问题,且触控电极的感应面积也基本不受影响。
以上所述仅为本发明的较佳实施例,并不用以限制本发明,凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。
Claims (10)
1.一种阵列基板,包括第一衬底(102)、开关元件(103)、公共电极(104)和像素电极(105),所述开关元件(103)、所述公共电极(104)和所述像素电极(105)叠设于所述第一衬底(102)上,且所述公共电极(104)和所述像素电极(105)绝缘间隔设置,其特征在于,所述公共电极(104)分割为多个触控电极(107),所述基板(10)上还由横向的扫描线(91)和纵向的数据线(93)限定形成多个像素单元(P),每个所述触控电极(107)的对应所述扫描线(91)的位置开设镂空(109)。
2.如权利要求1所述的阵列基板,其特征在于,每个所述触控电极(107)由所述镂空(109)间隔成多个子电极(111),每个所述触控电极(107)的所述子电极(111)电性于同一根触控信号线(113)。
3.如权利要求2所述的阵列基板,其特征在于,所述阵列基板(10)还包括所述触控信号线层,所述触控信号线(113)设置在所述触控信号线层,所述触控信号线层和所述触控电极(107)之间设有第一绝缘层(115),所述第一绝缘层(115)上开设过孔(117),所述子电极(111)穿过所述过孔(117)与所述触控信号线(113)电性连接。
4.如权利要求3所述的阵列基板,其特征在于,每个触控电极(107)的所有所述子电极(111)相互间隔独立设置,每个所述子电极(111)穿过所述过孔(117)与所述触控信号线(113)电性连接。
5.如权利要求3所述的阵列基板,其特征在于,同一个所述触控电极(107)的所述子电极(111)通过连接部(124)与相邻的子电极(111)电性连接,一个所述触控电极(107)仅穿过一个所述过孔(117)与所述触控信号线(113)电性连接。
6.如权利要求2所述的阵列基板,其特征在于,每个所述子电极(111)平行于所述扫描线(91)而设。
7.如权利要求2所述的阵列基板,其特征在于,每间隔一行所述像素单元(P)设置一条所述扫描线(91),每个所述子电极(111)对应同一行的所述像素单元(P)而设;或者,
每间隔两行所述像素单元(P)设置两条所述扫描线(91),位于上方的所述扫描线(91)与上方的像素单元(P)内的所述开关元件(103)连接,位于下方的所述扫描线(91)与下方的像素单元(P)内的所述开关元件(103)连接,每个所述子电极(111)对应两行的所述像素单元(P)而设。
8.如权利要求1所述的阵列基板,其特征在于,相邻所述触控电极(107)之间留有间隙,所述间隙对应一根所述扫描线(91)而设。
9.如权利要求1所述的阵列基板,其特征在于,所述触控显示面板还包括测试电路(70),所有所述触控信号线(113)电性连接于测试电路(70),每个所述触控电极(107)通过一根所述触控信号线(113)电性连接于所述测试电路(70)。
10.一种触控显示面板,其特征在于,包括如权利要求1-9任意一项所述的阵列基板(10)、液晶层(30)和对置基板(50),所述液晶层(30)位于所述阵列基板(10)和所述对置基板(50)之间。
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