技术领域technical field
本发明实施例涉及触控显示技术领域，尤其涉及一种显示面板、显示装置和制作方法。The embodiments of the present invention relate to the technical field of touch display, and in particular, to a display panel, a display device and a manufacturing method.
背景技术Background technique
随着电子科技的发展，显示装置的功能并不仅仅局限于接收视频信号而后进行显示，现今的显示装置还集成有触控功能，即能够根据操作者对显示装置的触控操作信息，输入控制指令。With the development of electronic technology, the functions of display devices are not limited to receiving video signals and displaying them. Today's display devices are also integrated with touch functions, that is, they can input control information according to the operator's touch operation information on the display device. instruction.
目前具有触控功能的显示装置，按照结构可以分为：外挂式触控屏、覆盖表面式触控屏以及内嵌式触控屏。其中，内嵌式触控屏将触控屏的触控电极内嵌在液晶显示屏内部，可以减薄模组整体的厚度，又可以大大降低触控屏的制作成本，受到各大面板厂家青睐。Currently, the display devices with touch function can be divided into three types according to the structure: an external touch screen, a surface-covered touch screen, and a built-in touch screen. Among them, the embedded touch screen embeds the touch electrodes of the touch screen inside the liquid crystal display, which can reduce the overall thickness of the module and greatly reduce the production cost of the touch screen, and is favored by major panel manufacturers. .
现有的内嵌式触控屏为节省工艺流程，一般将公共电极复用为触控电极，但触控时间会压缩占用显示时间，所以公共电极和触控电极分时复用的结构难以适应显示面板的高分辨率以及大尺寸的发展趋势。但传统的公共电极与触控电极不复用的结构，一般是将触控电极设置在彩膜基板靠近液晶层的一侧，但由于彩膜基板上的膜层大多是有机物，有机物与触控电极的结合力较弱，容易剥离，并且在刻蚀触控电极图案时，容易对彩膜基板的有机膜层造成破坏，工艺兼容性差，因此量产良率低。此外，由于采用彩膜基板侧作为触控侧，触控位置与触控电极之间的距离较远，触控灵敏度较差。In order to save the process flow, the existing in-cell touch screen generally reuses the common electrodes as touch electrodes, but the touch time will be compressed and occupy the display time, so the structure of time-division multiplexing of common electrodes and touch electrodes is difficult to adapt The development trend of high resolution and large size of the display panel. However, in the traditional structure where the common electrodes and the touch electrodes are not reused, the touch electrodes are generally arranged on the side of the color filter substrate close to the liquid crystal layer. The bonding force of the electrode is weak, and it is easy to peel off. When etching the touch electrode pattern, it is easy to cause damage to the organic film layer of the color filter substrate, and the process compatibility is poor, so the mass production yield is low. In addition, since the side of the color filter substrate is used as the touch side, the distance between the touch position and the touch electrodes is relatively long, and the touch sensitivity is poor.
发明内容Contents of the invention
本发明提供一种显示面板、显示装置和制作方法，以实现提升制备工艺兼容性、产品良率以及触控灵敏度。The present invention provides a display panel, a display device and a manufacturing method, so as to improve the manufacturing process compatibility, product yield and touch sensitivity.
第一方面，本发明实施例提供了一种显示面板，包括：阵列基板，与所述阵列基板相对设置的彩膜基板，以及位于所述阵列基板和所述彩膜基板之间的显示功能层；In a first aspect, an embodiment of the present invention provides a display panel, including: an array substrate, a color filter substrate disposed opposite to the array substrate, and a display function layer located between the array substrate and the color filter substrate ;
所述阵列基板包括衬底基板；设置在所述衬底基板邻近显示功能层一侧的多个触控电极块；多条触控信号线，每条触控信号线与一个触控电极块对应设置；设置在所述触控电极块膜层上方并电性绝缘的像素电极和公共电极；The array substrate includes a base substrate; a plurality of touch electrode blocks arranged on the side of the base substrate adjacent to the display function layer; a plurality of touch signal lines, each touch signal line corresponds to a touch electrode block Setting; a pixel electrode and a common electrode arranged above the film layer of the touch electrode block and electrically insulated;
其中，所述阵列基板远离所述显示功能层的一侧为触控侧。Wherein, the side of the array substrate away from the display function layer is the touch side.
进一步的，所述阵列基板包括多个呈矩阵排列的像素单元，每个像素单元包括一个薄膜晶体管以及和一个所述像素电极，所述像素电极和所述薄膜晶体管的漏极连接，所述触控电极块位于所述薄膜晶体管所在膜层下方。Further, the array substrate includes a plurality of pixel units arranged in a matrix, each pixel unit includes a thin film transistor and a pixel electrode, the pixel electrode is connected to the drain of the thin film transistor, and the contact The control electrode block is located under the film layer where the thin film transistor is located.
进一步的，所述触控信号线与所述触控电极块同层或异层设置。Further, the touch signal line and the touch electrode block are arranged in the same layer or in different layers.
进一步的，所述薄膜晶体管为顶栅结构或底栅结构。Further, the thin film transistor has a top-gate structure or a bottom-gate structure.
进一步的，当所述薄膜晶体管为底栅结构时，所述阵列基板还包括位于所述薄膜晶体管和所述基板之间的遮光层。Further, when the thin film transistor has a bottom gate structure, the array substrate further includes a light shielding layer between the thin film transistor and the substrate.
进一步的，所述触控信号线与所述遮光层同层设置，且相互电性绝缘。Further, the touch signal line and the light-shielding layer are arranged in the same layer and electrically insulated from each other.
进一步的，所述触控信号线与同层设置的所述遮光层在同一制作工艺中，由同种材料制成。Further, the touch signal line and the light-shielding layer arranged on the same layer are made of the same material in the same manufacturing process.
进一步的，所述阵列基板包括多条数据线和多条扫描线，所述触控信号线与所述数据线或扫描线平行，且电性绝缘。Further, the array substrate includes a plurality of data lines and a plurality of scan lines, and the touch signal lines are parallel to the data lines or the scan lines and are electrically insulated.
进一步的，所述触控信号线在所述阵列基板内的正投影位于所述数据线或扫描线在所述阵列基板内的正投影内。Further, the orthographic projection of the touch signal lines in the array substrate is located within the orthographic projection of the data lines or scan lines in the array substrate.
进一步的，所述公共电极与所述像素电极同层，或不同层设置。Further, the common electrode and the pixel electrode are arranged in the same layer or in different layers.
进一步的，所述触控电极块的数量小于等于所述像素单元的数量。Further, the number of the touch electrode blocks is less than or equal to the number of the pixel units.
进一步的，所述触控电极块具有开槽，所述薄膜晶体管在所述阵列基板内的正投影位于所述开槽在所述阵列基板内的正投影内。Further, the touch electrode block has a slot, and the orthographic projection of the thin film transistor in the array substrate is located within the orthographic projection of the slot in the array substrate.
进一步的，所述触控电极块具有开槽，所述像素单元的透光区域在所述阵列基板内的正投影位于所述开槽在所述阵列基板内的正投影内。Further, the touch electrode block has a slot, and the orthographic projection of the light-transmitting area of the pixel unit in the array substrate is located within the orthographic projection of the slot in the array substrate.
进一步的，所述触控电极块具有开槽，所述像素单元在所述阵列基板内的正投影位于所述开槽在所述阵列基板内的正投影内。Further, the touch electrode block has a slot, and the orthographic projection of the pixel unit in the array substrate is located within the orthographic projection of the slot in the array substrate.
进一步的，所述触控电极块形状与所述像素单元的排列图形相同。Further, the shape of the touch electrode block is the same as the arrangement pattern of the pixel units.
第二方面，本发明实施例还提供了一种显示装置，包括：权利要求1-15中任一项所述的显示面板，以及背光模组、驱动芯片；In a second aspect, an embodiment of the present invention further provides a display device, comprising: the display panel according to any one of claims 1-15, a backlight module, and a driver chip;
其中，所述背光模组位于所述显示面板的彩膜基板远离显示功能层的一侧；Wherein, the backlight module is located on the side of the color filter substrate of the display panel away from the display function layer;
所述驱动芯片用于显示驱动和触控驱动。The driving chip is used for display driving and touch driving.
进一步的，所述显示装置还包括：Further, the display device also includes:
位于所述显示面板外围的静电屏蔽电路，所述静电屏蔽电路一端接地设置，一端连接驱动芯片，另一端通过各触控信号线连接对应的触控电极块，非触控时段时，所述驱动芯片控制所述静电屏蔽电路导通，以屏蔽静电。An electrostatic shielding circuit located on the periphery of the display panel, one end of the electrostatic shielding circuit is grounded, one end is connected to the driver chip, and the other end is connected to the corresponding touch electrode block through each touch signal line. During the non-touch period, the driver The chip controls the conduction of the electrostatic shielding circuit to shield static electricity.
进一步的，所述静电屏蔽电路包括多个薄膜晶体管，其中，所述薄膜晶体管的源极接地设置，薄膜晶体管的漏极通过各触控信号线连接对应的公共电极块，薄膜晶体管的栅极连接驱动芯片。Further, the electrostatic shielding circuit includes a plurality of thin film transistors, wherein the sources of the thin film transistors are grounded, the drains of the thin film transistors are connected to the corresponding common electrode blocks through the touch signal lines, and the gates of the thin film transistors are connected to driver chip.
第三方面，本发明实施例还提供了一种显示面板的制作方法，包括：In a third aspect, the embodiment of the present invention also provides a method for manufacturing a display panel, including:
在阵列基板的衬底基板上形成多个触控电极块和多条触控信号线，每条触控信号线与一个触控电极块对应设置，且电连接；A plurality of touch electrode blocks and a plurality of touch signal lines are formed on the base substrate of the array substrate, and each touch signal line is correspondingly arranged and electrically connected to a touch electrode block;
形成电性绝缘的公共电极和像素电极；forming electrically insulated common electrodes and pixel electrodes;
在所述阵列基板的远离衬底基板一侧设置彩膜基板；A color filter substrate is arranged on the side of the array substrate away from the base substrate;
在所述阵列基板和彩膜基板之间设置显示功能层；A display function layer is arranged between the array substrate and the color filter substrate;
其中，所述阵列基板远离所述显示功能层的一侧为触控侧。Wherein, the side of the array substrate away from the display function layer is the touch side.
本发明通过在阵列基板邻近显示功能层一侧的衬底基板上设置多个触控电极块，多条触控信号线，每条触控信号线与一个触控电极块对应设置，在所述触控电极块膜层上方设置电性绝缘的像素电极和公共电极，并将所述阵列基板远离所述显示功能层的一侧为触控侧，解决了现有技术中彩膜基板制备工艺与触控电极制备工艺不兼容的问题，提升了产品良率以及触控的灵敏度。In the present invention, a plurality of touch electrode blocks and a plurality of touch signal lines are arranged on the base substrate on the side of the array substrate adjacent to the display function layer, and each touch signal line is correspondingly arranged with a touch electrode block. An electrically insulated pixel electrode and a common electrode are arranged above the film layer of the touch electrode block, and the side of the array substrate away from the display function layer is used as the touch side, which solves the problem of the preparation process of the color filter substrate in the prior art. The incompatibility of the touch electrode preparation process improves the product yield and touch sensitivity.
附图说明Description of drawings
通过阅读参照以下附图所作的对非限制性实施例所作的详细描述，本发明的其它特征、目的和优点将会变得更明显：Other characteristics, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:
图1为本发明实施例提供的一种显示面板的局部剖面结构示意图；FIG. 1 is a schematic diagram of a partial cross-sectional structure of a display panel provided by an embodiment of the present invention;
图2为本发明实施例提供的又一种显示面板的局部剖面结构示意图；FIG. 2 is a schematic diagram of a partial cross-sectional structure of another display panel provided by an embodiment of the present invention;
图3为本发明实施例提供的又一种显示面板的局部剖面结构示意图；FIG. 3 is a schematic diagram of a partial cross-sectional structure of another display panel provided by an embodiment of the present invention;
图4为本发明实施例提供的又一种显示面板的局部剖面结构示意图；FIG. 4 is a partial cross-sectional structural schematic diagram of another display panel provided by an embodiment of the present invention;
图5为本发明实施例提供的触控电极块与触控信号线同层设置的结构示意图；FIG. 5 is a schematic structural diagram of a touch electrode block and a touch signal line provided on the same layer provided by an embodiment of the present invention;
图6为本发明实施例提供的又一种显示面板的局部剖面结构示意图；FIG. 6 is a schematic diagram of a partial cross-sectional structure of another display panel provided by an embodiment of the present invention;
图7为本发明实施例提供的又一种显示面板的局部剖面结构示意图；FIG. 7 is a partial cross-sectional structural schematic diagram of another display panel provided by an embodiment of the present invention;
图8为本发明实施例提供的又一种显示面板的局部剖面结构示意图；FIG. 8 is a schematic diagram of a partial cross-sectional structure of another display panel provided by an embodiment of the present invention;
图9为本发明实施例提供的又一种显示面板的局部剖面结构示意图；FIG. 9 is a schematic diagram of a partial cross-sectional structure of another display panel provided by an embodiment of the present invention;
图10为本发明实施例提供的一种触控电极块开槽结构示意图；FIG. 10 is a schematic diagram of a grooved structure of a touch electrode block provided by an embodiment of the present invention;
图11为本发明实施例提供的又一种触控电极块开槽结构示意图；Fig. 11 is a schematic diagram of another grooved structure of a touch electrode block provided by an embodiment of the present invention;
图12为本发明实施例提供的又一种触控电极块开槽结构示意图；Fig. 12 is a schematic diagram of another grooved structure of a touch electrode block provided by an embodiment of the present invention;
图13为本发明实施例提供的一种显示装置的剖面结构示意图；FIG. 13 is a schematic cross-sectional structure diagram of a display device provided by an embodiment of the present invention;
图14为本发明实施例提供的又一种显示装置的俯视结构示意图；FIG. 14 is a schematic top view of another display device provided by an embodiment of the present invention;
图15为本发明实施例提供的一种静电屏蔽电路的结构示意图。FIG. 15 is a schematic structural diagram of an electrostatic shielding circuit provided by an embodiment of the present invention.
具体实施方式Detailed ways
下面结合附图和实施例对本发明作进一步的详细说明。可以理解的是，此处所描述的具体实施例仅仅用于解释本发明，而非对本发明的限定。另外还需要说明的是，为了便于描述，附图中仅示出了与本发明相关的部分而非全部结构。The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings but not all structures.
本发明实施例提供一种显示面板。图1为本发明实施例提供的一种显示面板的局部剖面结构示意图。如图1所示，所述显示面板包括：阵列基板11，与所述阵列基板11相对设置的彩膜基板12，以及位于所述阵列基板11和所述彩膜基板12之间的显示功能层13；其中，所述阵列基板11包括衬底基板111；设置在所述衬底基板111邻近显示功能层13一侧的多个触控电极块112；多条触控信号线113，每条触控信号线113与一个触控电极块112对应设置；设置在所述触控电极块112膜层上方并电性绝缘的像素电极114和公共电极115；其中，所述阵列基板11远离所述显示功能层13的一侧为触控侧。An embodiment of the present invention provides a display panel. FIG. 1 is a schematic diagram of a partial cross-sectional structure of a display panel provided by an embodiment of the present invention. As shown in FIG. 1 , the display panel includes: an array substrate 11 , a color filter substrate 12 opposite to the array substrate 11 , and a display function layer between the array substrate 11 and the color filter substrate 12 13; wherein, the array substrate 11 includes a base substrate 111; a plurality of touch electrode blocks 112 arranged on the side of the base substrate 111 adjacent to the display function layer 13; a plurality of touch signal lines 113, each touch The control signal line 113 is arranged corresponding to one touch electrode block 112; the pixel electrode 114 and the common electrode 115 are arranged on the film layer of the touch electrode block 112 and electrically insulated; wherein, the array substrate 11 is far away from the display One side of the functional layer 13 is the touch side.
本发明实施例通过在阵列基板一则设置触控电极块，避免了现有技术中在彩膜基板一侧设置触控电极块时工艺不兼容造成的良率低的问题，由于触控电极块与公共电极不复用，因此无需压缩显示时间，可制备大尺寸以及高分辨率的显示面板。本发明实施例提供的阵列基板由于采用远离显示功能层的一侧为触控侧，减小了手指触控位置与触控电极块之间的距离，因此可以提升触控的灵敏度。The embodiment of the present invention avoids the problem of low yield rate caused by process incompatibility when the touch electrode block is arranged on the side of the color filter substrate in the prior art by arranging the touch electrode block on the array substrate. It is not reused with the common electrode, so there is no need to compress the display time, and a large-size and high-resolution display panel can be prepared. In the array substrate provided by the embodiment of the present invention, since the side away from the display function layer is used as the touch side, the distance between the finger touch position and the touch electrode block is reduced, so the touch sensitivity can be improved.
本发明实施例提供的显示面板可适用于FFS型以及IPS型等的液晶驱动模式。在其他实施方式中，所述显示面板的结构可以有多种具体的实现方式，例如触控电极块位于阵列基板的薄膜晶体管下方或上方，触控信号线与所述触控电极块同层或异层设置等，但只要实现在阵列基板一侧设置触控电极块位于像素电极和公共电极所下方，触控电极与公共电极不复用，且将阵列基板远离显示功能层的一侧作为触控侧即可。下面将就优选实施例进行详细描述。The display panel provided by the embodiment of the present invention is applicable to liquid crystal drive modes such as FFS type and IPS type. In other embodiments, the structure of the display panel can be implemented in various specific ways, for example, the touch electrode block is located below or above the thin film transistor of the array substrate, and the touch signal line is on the same layer as the touch electrode block or Different layer settings, etc., but as long as the touch electrode block is set on the side of the array substrate under the pixel electrode and the common electrode, the touch electrode and the common electrode will not be reused, and the side of the array substrate away from the display function layer will be used as the touch electrode. Just control the side. A detailed description will be given below regarding preferred embodiments.
图2为本发明实施例提供的又一种显示面板的局部剖面结构示意图。如图2所示，所述显示面板包括：阵列基板21，与所述阵列基板21相对设置的彩膜基板22，以及位于所述阵列基板21和所述彩膜基板22之间的显示功能层23。其中，所述阵列基板21包括衬底基板211；设置在衬底基板211邻近显示功能层23一侧的多个触控电极块212；多条触控信号线213，每条触控信号线213与一个触控电极块212对应设置；所述阵列基板21包括多个呈矩阵排列的像素单元，每个像素单元包括一个薄膜晶体管214以及和一个像素电极215，像素电极215和薄膜晶体管214的漏极连接2141，触控电极块212位于薄膜晶体管214所在膜层上方；设置在像素电极215下方的公共电极216，所述像素电极215和公共电极216电性绝缘。其中，所述阵列基板21远离所述显示功能层23的一侧为触控侧。其中，所述触控电极块212还可以位于所述薄膜晶体管214所在膜层下方，如图3所示。图2和图3所示结构的好处是：由于所述阵列基板21远离所述显示功能层23的一侧为触控侧，因此将触控电极块212设置在所述薄膜晶体管214所在膜层下方，进一步的减小了手指触控位置和触控电极块的距离，因此触控准确度更高。FIG. 2 is a schematic diagram of a partial cross-sectional structure of another display panel provided by an embodiment of the present invention. As shown in FIG. 2 , the display panel includes: an array substrate 21 , a color filter substrate 22 opposite to the array substrate 21 , and a display function layer located between the array substrate 21 and the color filter substrate 22 twenty three. Wherein, the array substrate 21 includes a base substrate 211; a plurality of touch electrode blocks 212 arranged on the side of the base substrate 211 adjacent to the display function layer 23; a plurality of touch signal lines 213, and each touch signal line 213 Set corresponding to a touch electrode block 212; the array substrate 21 includes a plurality of pixel units arranged in a matrix, each pixel unit includes a thin film transistor 214 and a pixel electrode 215, the pixel electrode 215 and the drain of the thin film transistor 214 pole connection 2141 , the touch electrode block 212 is located above the film layer where the thin film transistor 214 is located; the common electrode 216 is disposed under the pixel electrode 215 , and the pixel electrode 215 is electrically insulated from the common electrode 216 . Wherein, the side of the array substrate 21 away from the display function layer 23 is the touch side. Wherein, the touch electrode block 212 can also be located under the film layer where the thin film transistor 214 is located, as shown in FIG. 3 . The advantage of the structure shown in FIG. 2 and FIG. 3 is: since the side of the array substrate 21 away from the display function layer 23 is the touch side, the touch electrode block 212 is arranged on the film layer where the thin film transistor 214 is located. Below, the distance between the finger touch position and the touch electrode block is further reduced, so the touch accuracy is higher.
图1-图3示例性的将触控信号线设置在触控电极块的上方，并非对本发明实施例的限定，可选的，所述触控信号线还可以设置在所述触控电极块膜层下方，如图4所示。图4为本发明实施例提供的又一种显示面板的局部剖面结构示意图。如图4所示，所述显示面板包括：阵列基板41，与所述阵列基板41相对设置的彩膜基板42，以及位于所述阵列基板41和所述彩膜基板42之间的显示功能层43；其中，所述阵列基板41包括衬底基板411；设置在所述衬底基板411邻近显示功能层43一侧的多个触控电极块412；多条触控信号线413，每条触控信号线413与一个触控电极块412对应设置，所述触控信号线413位于触控电极块412下方，并且触控信号线413和触控电极块412之间设置有绝缘层，触控信号线413通过过孔和对应的触控电极块412连接。Figures 1-3 exemplarily set the touch signal line above the touch electrode block, which is not a limitation to the embodiment of the present invention. Optionally, the touch signal line can also be set on the touch electrode block Below the film layer, as shown in Figure 4. FIG. 4 is a schematic diagram of a partial cross-sectional structure of another display panel provided by an embodiment of the present invention. As shown in FIG. 4 , the display panel includes: an array substrate 41 , a color filter substrate 42 disposed opposite to the array substrate 41 , and a display function layer located between the array substrate 41 and the color filter substrate 42 43; wherein, the array substrate 41 includes a base substrate 411; a plurality of touch electrode blocks 412 arranged on the side of the base substrate 411 adjacent to the display function layer 43; a plurality of touch signal lines 413, each touch The control signal line 413 is arranged corresponding to one touch electrode block 412, the touch signal line 413 is located under the touch electrode block 412, and an insulating layer is arranged between the touch signal line 413 and the touch electrode block 412, and the touch control The signal line 413 is connected to the corresponding touch electrode block 412 through the via hole.
所述阵列基板41还包括多个呈矩阵排列的像素单元，每个像素单元包括一个薄膜晶体管414以及和一个像素电极415，像素电极415和薄膜晶体管414的漏极连接4141，触控电极块412位于所述薄膜晶体管414所在膜层下方；设置在像素电极415下方的公共电极416，像素电极415和公共电极416电性绝缘。其中，阵列基板41远离显示功能层43的一侧为触控侧。The array substrate 41 also includes a plurality of pixel units arranged in a matrix, each pixel unit includes a thin film transistor 414 and a pixel electrode 415, the drain connection 4141 between the pixel electrode 415 and the thin film transistor 414, and the touch electrode block 412 It is located under the film layer where the thin film transistor 414 is located; the common electrode 416 is disposed under the pixel electrode 415 , and the pixel electrode 415 and the common electrode 416 are electrically insulated. Wherein, the side of the array substrate 41 away from the display function layer 43 is the touch side.
此外，所述触控信号线还可以与触控电极块同层设置，图5为本发明实施例提供的触控电极块与触控信号线同层设置的结构示意图，如图5所示，每条触控信号线511与一个触控电极块512对应设置，触控电极块512与触控信号线511位于同一膜层，二者可在同一制作工艺中，由同种材料制成，因此减少了工艺制程，节约了成本。In addition, the touch signal line can also be arranged on the same layer as the touch electrode block. FIG. 5 is a schematic structural diagram of the touch electrode block and the touch signal line arranged on the same layer according to an embodiment of the present invention. As shown in FIG. 5 , Each touch signal line 511 is correspondingly arranged with a touch electrode block 512, and the touch electrode block 512 and the touch signal line 511 are located in the same film layer, and the two can be made of the same material in the same manufacturing process, so The process is reduced and the cost is saved.
图2-图4示例性的选用顶栅结构的薄膜晶体管，并非对本发明实施例的限定，可选的，薄膜晶体管还可以为底栅结构。图6为本发明实施例提供的又一种显示面板的局部剖面结构示意图。如图6所示，所述显示面板包括：阵列基板61，与所述阵列基板61相对设置的彩膜基板62，以及位于阵列基板61和彩膜基板62之间的显示功能层63。其中，阵列基板61包括衬底基板611；设置在衬底基板611邻近显示功能层63一侧的多个触控电极块612；多条触控信号线613，每条触控信号线613与一个触控电极块612对应设置，并且触控信号线613位于触控电极块612下方。阵列基板61还包括多个呈矩阵排列的像素单元，每个像素单元包括一个薄膜晶体管614以及和一个像素电极615，像素电极615和薄膜晶体管614的漏极连接6141，触控电极块612位于薄膜晶体管614所在膜层下方，薄膜晶体管714为底栅结构；设置在像素电极615下方的公共电极616，像素电极615和公共电极616电性绝缘。其中，阵列基板61远离显示功能层63的一侧为触控侧。FIG. 2 to FIG. 4 exemplarily select a thin film transistor with a top-gate structure, which is not a limitation to the embodiment of the present invention. Optionally, the thin-film transistor may also have a bottom-gate structure. FIG. 6 is a schematic diagram of a partial cross-sectional structure of another display panel provided by an embodiment of the present invention. As shown in FIG. 6 , the display panel includes: an array substrate 61 , a color filter substrate 62 opposite to the array substrate 61 , and a display function layer 63 between the array substrate 61 and the color filter substrate 62 . Wherein, the array substrate 61 includes a base substrate 611; a plurality of touch electrode blocks 612 arranged on the side of the base substrate 611 adjacent to the display function layer 63; a plurality of touch signal lines 613, each touch signal line 613 is connected to a The touch electrode blocks 612 are disposed correspondingly, and the touch signal lines 613 are located under the touch electrode blocks 612 . The array substrate 61 also includes a plurality of pixel units arranged in a matrix, each pixel unit includes a thin film transistor 614 and a pixel electrode 615, the pixel electrode 615 is connected to the drain electrode 6141 of the thin film transistor 614, and the touch electrode block 612 is located on the thin film transistor 614. Under the film layer where the transistor 614 is located, the thin film transistor 714 has a bottom gate structure; the common electrode 616 is disposed under the pixel electrode 615 , and the pixel electrode 615 and the common electrode 616 are electrically insulated. Wherein, the side of the array substrate 61 away from the display function layer 63 is the touch side.
在上述实施例的基础上，若采用底栅结构的薄膜晶体管，阵列基板还包括位于薄膜晶体管和衬底基板之间的遮光层617，如图7所示，用于遮挡薄膜晶体管614的半导体层6142，防止由于长时间的光照导致半导体层6142退化，引起器件失效。On the basis of the above-mentioned embodiments, if a thin-film transistor with a bottom-gate structure is used, the array substrate further includes a light-shielding layer 617 located between the thin-film transistor and the base substrate, as shown in FIG. 7 , used to shield the semiconductor layer of the thin-film transistor 614 6142, to prevent the degradation of the semiconductor layer 6142 due to long-term light exposure, causing device failure.
在上述实施例的基础上，触控信号线613可以与遮光层617同层设置，且相互电性绝缘，这样设置的好处是进一步减小显示面板的厚度。可选的，触控信号线613与同层设置的所述遮光层617可以在同一制作工艺中，由同种材料制成，在制作过程中只需一次掩膜刻蚀工艺，无需对触控信号线和遮光层分别制作掩膜板以及光刻，节省了成本，减少了制程数量，提高了生产效率。Based on the above embodiments, the touch signal line 613 and the light-shielding layer 617 can be arranged in the same layer and electrically insulated from each other. The benefit of such arrangement is to further reduce the thickness of the display panel. Optionally, the touch signal line 613 and the light-shielding layer 617 arranged on the same layer can be made of the same material in the same manufacturing process, and only one mask etching process is needed in the manufacturing process, and no touch control is required. Mask plates and photolithography are made respectively for the signal line and the light-shielding layer, which saves costs, reduces the number of manufacturing processes, and improves production efficiency.
需要说明的是，在上述实施例的基础上，本发明实施例提供的显示面板，其中每个触控电极块可以与多条触控信号线电连接，这样设置的好处是可以防止单条触控信号线断裂引起触控失灵，本发明实施例对每个触控电极块所对应的触控信号线的数量不作限制。此外，每条触控信号线还可以通过多个过孔与对应的触控电极块连接，这样设置的好处是可以防止一个过孔连接时由于接触不良导致的触控失灵问题，还可以减小触控电极块的电阻。It should be noted that, on the basis of the above-mentioned embodiments, in the display panel provided by the embodiment of the present invention, each touch electrode block can be electrically connected to multiple touch signal lines. The breakage of the signal line causes touch failure, and the embodiment of the present invention does not limit the number of touch signal lines corresponding to each touch electrode block. In addition, each touch signal line can also be connected to the corresponding touch electrode block through multiple via holes. The resistance of the touch electrode block.
在上述实施例的基础上，可选的，阵列基板还包括多条数据线与多条扫描线，触控信号线在所述阵列基板上的正投影位于数据线或扫描线在阵列基板上的正投影内。这样设置的好处是可以保证各触控信号线不影响各像素单元的开口率。On the basis of the above embodiments, optionally, the array substrate further includes a plurality of data lines and a plurality of scan lines, and the orthographic projection of the touch signal lines on the array substrate is located at the position of the data lines or the scan lines on the array substrate. In orthographic projection. The advantage of such setting is that it can ensure that each touch signal line does not affect the aperture ratio of each pixel unit.
上述各实施例示例性的将所述像素电极设置在所述公共电极的上方，而非对本发明实施例的限定。图8为本发明实施例提供的又一种显示面板的局部剖面结构示意图，如图8所示，所述显示面板包括：阵列基板81，与阵列基板81相对设置的彩膜基板82，以及位于阵列基板81和彩膜基板82之间的显示功能层83；其中，阵列基板81包括衬底基板811；设置在衬底基板811邻近显示功能层83一侧的多个触控电极块812；多条触控信号线813，每条触控信号线813与一个触控电极块812对应设置，该触控信号线813位于触控电极块812下方。In each of the above-mentioned embodiments, the pixel electrode is disposed above the common electrode as an example, rather than limiting the embodiments of the present invention. Fig. 8 is a partial cross-sectional schematic diagram of another display panel provided by an embodiment of the present invention. As shown in Fig. 8, the display panel includes: an array substrate 81, a color filter substrate 82 disposed opposite to the array substrate 81, and The display function layer 83 between the array substrate 81 and the color filter substrate 82; wherein, the array substrate 81 includes a base substrate 811; a plurality of touch electrode blocks 812 arranged on the side of the base substrate 811 adjacent to the display function layer 83; Touch signal lines 813 , each touch signal line 813 is arranged corresponding to one touch electrode block 812 , and the touch signal line 813 is located below the touch electrode block 812 .
阵列基板81包括多个呈矩阵排列的像素单元，每个像素单元包括一个薄膜晶体管814以及和一个像素电极815，像素电极815和薄膜晶体管814的漏极连接8141，触控电极块812位于薄膜晶体管814所在膜层下方，该薄膜晶体管814为底栅结构。设置在像素电极815上方的公共电极816，像素电极815和公共电极816电性绝缘。其中，阵列基板81远离所述显示功能层83的一侧为触控侧。The array substrate 81 includes a plurality of pixel units arranged in a matrix, each pixel unit includes a thin film transistor 814 and a pixel electrode 815, the pixel electrode 815 is connected to the drain of the thin film transistor 814 8141, the touch electrode block 812 is located in the thin film transistor Below the film layer where 814 is located, the thin film transistor 814 has a bottom gate structure. The common electrode 816 disposed above the pixel electrode 815 is electrically insulated from the pixel electrode 815 and the common electrode 816 . Wherein, the side of the array substrate 81 away from the display function layer 83 is the touch side.
进一步的，公共电极还可与像素电极同层设置，如图9所示，显示面板包括：阵列基板91，与阵列基板91相对设置的彩膜基板92，以及位于阵列基板91和彩膜基板92之间的显示功能层93。其中，阵列基板91包括衬底基板911；设置在衬底基板911邻近显示功能层93一侧的多个触控电极块912；多条触控信号线913，每条触控信号线913与一个触控电极块912对应设置，触控信号线913位于触控电极块912下方。阵列基板91还包括多个呈矩阵排列的像素单元，每个像素单元包括一个薄膜晶体管914以及和一个像素电极915，所述像素电极915和薄膜晶体管914的漏极连接9141，触控电极块912位于所述薄膜晶体管914所在膜层下方，所述薄膜晶体管914为底栅结构。还包括与所述像素电极915同层设置的公共电极916。其中，所述阵列基板91远离显示功能层93的一侧为触控侧。Further, the common electrode can also be arranged on the same layer as the pixel electrode. As shown in FIG. 9 , the display panel includes: an array substrate 91, a color filter substrate 92 opposite to the array substrate 91, and The display function layer 93 in between. Wherein, the array substrate 91 includes a base substrate 911; a plurality of touch electrode blocks 912 arranged on the side of the base substrate 911 adjacent to the display function layer 93; a plurality of touch signal lines 913, and each touch signal line 913 is connected to a The touch electrode blocks 912 are disposed correspondingly, and the touch signal lines 913 are located under the touch electrode blocks 912 . The array substrate 91 also includes a plurality of pixel units arranged in a matrix, each pixel unit includes a thin film transistor 914 and a pixel electrode 915, the pixel electrode 915 is connected to the drain of the thin film transistor 914 9141, and the touch electrode block 912 Located under the film layer where the thin film transistor 914 is located, the thin film transistor 914 has a bottom gate structure. It also includes a common electrode 916 disposed on the same layer as the pixel electrode 915 . Wherein, the side of the array substrate 91 away from the display function layer 93 is the touch side.
需要说明的是，本发明各实施例均可采用顶栅结构的薄膜晶体管或底栅结构的薄膜晶体管，优选的，使用顶栅结构的薄膜晶体管制作所述显示面板，这样设置的原因是，由于触控侧为阵列基板远离显示功能层的一侧，因此光源光线从彩膜基板一侧进入，由于顶栅结构的薄膜晶体管在靠近彩膜基板的一侧由栅极遮挡光源对薄膜晶体管的半导体层的照射，因此无需设置遮光层以防止半导体层的光致退化，减少了工艺制程，节约了成本。It should be noted that each embodiment of the present invention can use a top-gate structure thin film transistor or a bottom-gate structure thin film transistor. Preferably, a top-gate structure thin film transistor is used to make the display panel. The reason for this arrangement is that The touch side is the side of the array substrate away from the display function layer, so light from the light source enters from the side of the color filter substrate, because the top gate structure of the thin film transistor is blocked by the grid on the side close to the color filter substrate to the semiconductor of the thin film transistor. Layer irradiation, so there is no need to set a light-shielding layer to prevent photo-induced degradation of the semiconductor layer, which reduces the process and saves costs.
在上述各实施例基础上，可选的，触控电极块的数量小于等于像素单元的数量，这样设置的好处是可以适当减少触控信号线的数量，提高显示面板的透光率。On the basis of the above-mentioned embodiments, optionally, the number of touch electrode blocks is less than or equal to the number of pixel units, which has the advantage of appropriately reducing the number of touch signal lines and improving the light transmittance of the display panel.
为了降低触控电极块和薄膜晶体管之间的相互影响，可选地，在触控电极块内设置开槽。图10为本发明实施例提供的一种触控电极块开槽结构示意图，如图10所示，薄膜晶体管101在阵列基板上的正投影位于触控电极块102的开槽103在阵列基板上的正投影内。In order to reduce the interaction between the touch electrode block and the thin film transistor, optionally, slots are provided in the touch electrode block. FIG. 10 is a schematic diagram of a grooved structure of a touch electrode block provided by an embodiment of the present invention. As shown in FIG. 10 , the orthographic projection of the thin film transistor 101 on the array substrate is located in the groove 103 of the touch electrode block 102 on the array substrate. in the orthographic projection of .
图11为本发明实施例提供的又一种触控电极块开槽结构示意图，如图11所示，像素单元的透光区域1101在阵列基板上的正投影位于触控电极块1102的开槽1103在阵列基板上的正投影内。像素单元的透光区域1101位于透光区域1101内，可以使得透光区域1101的透过率提高。FIG. 11 is a schematic diagram of another grooved structure of the touch electrode block provided by the embodiment of the present invention. As shown in FIG. 11 , the orthographic projection of the light-transmitting region 1101 of the pixel unit on the array substrate is located in the groove of the touch electrode block 1102 1103 in the orthographic projection on the array substrate. The light-transmitting region 1101 of the pixel unit is located in the light-transmitting region 1101 , which can increase the transmittance of the light-transmitting region 1101 .
图12为本发明实施例提供的又一种触控电极块开槽结构示意图，如图12所示，整个像素单元1201在阵列基板上的正投影位于触控电极块1202的开槽1203在所述阵列基板上的正投影内。图12的设计具备图10及图11两种结构的优点，即降低了降低触控电极块和薄膜晶体管之间的相互影响，又提高透光区域1101的透过率，使得触控显示装置具备更为优越的性能。FIG. 12 is a schematic diagram of another grooved structure of the touch electrode block provided by the embodiment of the present invention. As shown in FIG. 12 , the orthographic projection of the entire pixel unit 1201 on the array substrate is located in the groove 1203 of the touch electrode block 1202 . In the orthographic projection on the array substrate described above. The design in Figure 12 has the advantages of the two structures in Figure 10 and Figure 11, that is, it reduces the interaction between the touch electrode block and the thin film transistor, and improves the transmittance of the light-transmitting region 1101, so that the touch display device has More superior performance.
在上述各实施例基础上，可选的，根据显示面板中像素单元的排列方式，设置所述触控电极块形状与所述像素单元的排列图形相同，避免触控电极块的显示可见问题。On the basis of the above embodiments, optionally, according to the arrangement of the pixel units in the display panel, the shape of the touch electrode block is set to be the same as the arrangement pattern of the pixel units, so as to avoid the visible problem of the display of the touch electrode block.
本发明实施例还提供一种显示装置，图13为本发明实施例提供的一种显示装置的剖面结构示意图，如图13所示，所述显示装置包括：131显示面板，背光模组132，驱动芯片133。其中，显示面板131为上述各实施例所述的显示面板，背光模组132位于显示面板131的彩膜基板1311远离显示功能层1312的一侧，驱动芯片133用于显示驱动和触控驱动。An embodiment of the present invention also provides a display device. FIG. 13 is a schematic cross-sectional structure diagram of a display device provided by an embodiment of the present invention. As shown in FIG. 13 , the display device includes: 131 a display panel, a backlight module 132, Driver chip 133 . The display panel 131 is the display panel described in the above embodiments, the backlight module 132 is located on the side of the color filter substrate 1311 of the display panel 131 away from the display function layer 1312 , and the driver chip 133 is used for display driving and touch driving.
本发明实施例由于采用了上述各实施例所述的显示面板，该显示面板通过在阵列基板一则设置触控电极，避免了现有技术中在彩膜基板一侧设置触控电极块时工艺不兼容造成的良率低的问题，由于触控电极块与公共电极不复用，因此无需压缩显示时间，可制备大尺寸以及高分辨率的显示面板，由于采用阵列基板远离显示功能层的一侧做为触控侧，减小了手指触控位置与触控电极块之间的距离，提升了触控的灵敏度，因此显示装置同样具有该有益效果，此外由于所述显示装置的背光模组位于所述显示面板的彩膜基板远离显示功能层的一侧，因此当显示面板的阵列基板采用顶栅结构时，无需设置遮光层，减少了工艺制程，节约了成本，提高了生产效率。需要说明的是，本发明实施例提供显示装置还可以包括其他用于支持触控显示装置正常工作的电路及器件。上述的显示装置可以为手机、平板电脑、电子纸、电子相框中的一种。Since the embodiment of the present invention adopts the display panel described in the above-mentioned embodiments, the display panel avoids the process of arranging the touch electrode block on the side of the color filter substrate in the prior art by arranging the touch electrode on the array substrate. The problem of low yield caused by incompatibility, because the touch electrode block and the common electrode are not reused, so there is no need to compress the display time, and a large-size and high-resolution display panel can be prepared. Since the array substrate is used far away from the display function layer As the touch side, the distance between the finger touch position and the touch electrode block is reduced, and the sensitivity of touch is improved, so the display device also has this beneficial effect. In addition, because the backlight module of the display device The color filter substrate of the display panel is located on the side away from the display functional layer. Therefore, when the array substrate of the display panel adopts a top gate structure, no light-shielding layer is required, which reduces the process, saves costs, and improves production efficiency. It should be noted that the display device provided by the embodiment of the present invention may also include other circuits and devices for supporting the normal operation of the touch display device. The above-mentioned display device may be one of a mobile phone, a tablet computer, an electronic paper, and an electronic photo frame.
图14为本发明实施例提供的又一种显示装置的俯视结构示意图，所述显示装置包括：显示面板141，背光模组(未示出)，驱动芯片142。其中，所述显示面板141为上述各实施例所述的显示面板，所述背光模组位于所述显示面板141的彩膜基板远离显示功能层的一侧，所述驱动芯片142用于显示驱动和触控驱动。所述显示装置还包括位于所述显示面板141外围的静电屏蔽电路143，所述静电屏蔽电路143一端接地设置，一端连接驱动芯片142，另一端通过各触控信号线1411连接对应的触控电极块1412，在非触控时段时，所述驱动芯片142控制所述静电屏蔽电路143导通，以屏蔽静电。本发明实施例在所述显示面板外围设置静电屏蔽电路，可以在非触控时段将手指触摸时在显示面板上产生的静电导出，屏蔽外部静电对显示的影响。FIG. 14 is a schematic top view of another display device provided by an embodiment of the present invention. The display device includes: a display panel 141 , a backlight module (not shown), and a driver chip 142 . Wherein, the display panel 141 is the display panel described in the above-mentioned embodiments, the backlight module is located on the side of the color filter substrate of the display panel 141 away from the display function layer, and the driving chip 142 is used for display driving and touch drivers. The display device also includes an electrostatic shielding circuit 143 located on the periphery of the display panel 141, one end of the electrostatic shielding circuit 143 is grounded, one end is connected to the driver chip 142, and the other end is connected to the corresponding touch electrode through each touch signal line 1411. Block 1412 , during the non-touch period, the driving chip 142 controls the electrostatic shielding circuit 143 to be turned on, so as to shield the static electricity. In the embodiment of the present invention, an electrostatic shielding circuit is provided on the periphery of the display panel, which can lead out the static electricity generated on the display panel when the finger is touched during the non-touch period, and shield the influence of external static electricity on the display.
在其他实施方式中，静电屏蔽电路的结构可以有多种具体的实现方式，下面将就优选实施例进行详细描述。In other implementation manners, the structure of the electrostatic shielding circuit may have various specific implementation manners, and preferred embodiments will be described in detail below.
图15为本发明实施例提供的一种静电屏蔽电路的结构示意图，如图15所示，所述静电屏蔽电路包括多个薄膜晶体管151，其中，所述薄膜晶体管151的源极1511接地设置，薄膜晶体管151的漏极1512通过各触控信号线152连接对应的触控电极块153，薄膜晶体管151的栅极1513连接驱动芯片154。具体工作原理为：每个触控电极块对应静电屏蔽电路中的一个薄膜晶体管，触控结束后，驱动芯片控制薄膜晶体管打开，静电屏蔽电路导通，由于触控存留在显示面板上的静电通过触控信号线和接地线导出。Fig. 15 is a schematic structural diagram of an electrostatic shielding circuit provided by an embodiment of the present invention. As shown in Fig. 15, the electrostatic shielding circuit includes a plurality of thin film transistors 151, wherein the sources 1511 of the thin film transistors 151 are grounded, The drain 1512 of the thin film transistor 151 is connected to the corresponding touch electrode block 153 through each touch signal line 152 , and the gate 1513 of the thin film transistor 151 is connected to the driving chip 154 . The specific working principle is: each touch electrode block corresponds to a thin film transistor in the electrostatic shielding circuit. After the touch is completed, the driver chip controls the thin film transistor to turn on, and the electrostatic shielding circuit is turned on. The touch signal wire and ground wire are exported.
根据本发明的同一构思，本发明实施例还提供一种显示面板的制作方法，包括：在阵列基板的衬底基板上形成多个触控电极块和多条触控信号线，每条触控信号线与一个触控电极块对应设置，且电连接；According to the same idea of the present invention, an embodiment of the present invention also provides a method for manufacturing a display panel, including: forming a plurality of touch electrode blocks and a plurality of touch signal lines on the base substrate of the array substrate, each touch control The signal line is arranged corresponding to one touch electrode block and is electrically connected;
形成电性绝缘的公共电极和像素电极；forming electrically insulated common electrodes and pixel electrodes;
在所述阵列基板的远离衬底基板一侧设置彩膜基板；A color filter substrate is arranged on the side of the array substrate away from the base substrate;
在所述阵列基板和彩膜基板之间设置显示功能层；A display function layer is arranged between the array substrate and the color filter substrate;
其中，所述阵列基板远离所述显示功能层的一侧为触控侧。Wherein, the side of the array substrate away from the display function layer is the touch side.
本发明实施例通过在阵列基板一则设置触控电极块，避免了现有技术中在彩膜基板一侧设置触控电极块时工艺不兼容造成的良率低的问题，由于触控电极块与公共电极不复用，因此无需压缩显示时间，可制备大尺寸以及高分辨率的显示面板。本发明实施例提供的阵列基板由于采用远离显示功能层的一侧为触控侧，减小了手指触控位置与触控电极块之间的距离，因此可以提升触控的灵敏度。The embodiment of the present invention avoids the problem of low yield rate caused by process incompatibility when the touch electrode block is arranged on the side of the color filter substrate in the prior art by arranging the touch electrode block on the array substrate. It is not reused with the common electrode, so there is no need to compress the display time, and a large-size and high-resolution display panel can be prepared. In the array substrate provided by the embodiment of the present invention, since the side away from the display function layer is used as the touch side, the distance between the finger touch position and the touch electrode block is reduced, so the touch sensitivity can be improved.
注意，上述仅为本发明的较佳实施例及所运用技术原理。本领域技术人员会理解，本发明不限于这里所述的特定实施例，对本领域技术人员来说能够进行各种明显的变化、重新调整和替代而不会脱离本发明的保护范围。因此，虽然通过以上实施例对本发明进行了较为详细的说明，但是本发明不仅仅限于以上实施例，在不脱离本发明构思的情况下，还可以包括更多其他等效实施例，而本发明的范围由所附的权利要求范围决定。Note that the above are only preferred embodiments of the present invention and applied technical principles. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and that various obvious changes, readjustments and substitutions can be made by those skilled in the art without departing from the protection scope of the present invention. Therefore, although the present invention has been described in detail through the above embodiments, the present invention is not limited to the above embodiments, and can also include more other equivalent embodiments without departing from the concept of the present invention, and the present invention The scope is determined by the scope of the appended claims.
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| CN201510232884.8ACN104808375B (en) | 2015-05-08 | 2015-05-08 | A kind of display panel, display device and production method |
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| CN104808375Atrue CN104808375A (en) | 2015-07-29 |
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| EXSB | Decision made by sipo to initiate substantive examination | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee | Granted publication date:20181207 |