WO2020168813A1 - 防止显示模组干扰的电容屏及其制备方法 - Google Patents

防止显示模组干扰的电容屏及其制备方法 Download PDF

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Publication number
WO2020168813A1
WO2020168813A1 PCT/CN2019/127589 CN2019127589W WO2020168813A1 WO 2020168813 A1 WO2020168813 A1 WO 2020168813A1 CN 2019127589 W CN2019127589 W CN 2019127589W WO 2020168813 A1 WO2020168813 A1 WO 2020168813A1
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Prior art keywords
layer
display module
capacitive screen
conductive
shielding
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PCT/CN2019/127589
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English (en)
French (fr)
Inventor
黄俊辉
刘天保
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Guangzhou Shiyuan Electronics Thecnology Co Ltd
Guangzhou Shirui Electronics Co Ltd
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Guangzhou Shiyuan Electronics Thecnology Co Ltd
Guangzhou Shirui Electronics Co Ltd
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Publication of WO2020168813A1 publication Critical patent/WO2020168813A1/zh
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • 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
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices

Definitions

  • the present disclosure relates to the field of display screens, in particular to a capacitive screen that prevents interference from a display module and a preparation method thereof.
  • the purpose of the present disclosure is to provide a capacitive screen that prevents interference from a display module and a preparation method thereof, which effectively prevents the display module from interfering with the signal of the edge channel of the capacitive screen.
  • the capacitive screen to prevent interference from the display module includes a display module, a shielding layer, and a capacitive screen.
  • the display module, the shielding layer, and the capacitive screen are laminated in sequence, and the lower surface of the shielding layer and the shielding layer There are a first conductive layer and a second conductive layer on the upper surface, respectively.
  • the shielding layer further includes a shielding base layer, and the first conductive layer and the second conductive layer are respectively provided on the lower surface of the shielding base layer and the upper surface of the shielding base layer.
  • the shielding base layer is a low dielectric constant plate layer.
  • the low dielectric constant plate layer is a glass plate layer, an acrylic plate layer or an acrylic composite plate layer.
  • the first conductive layer is a conductive thin film layer or a nano silver coating.
  • the second conductive layer is a nano silver coating, a conductive thin film layer or a metal mesh layer.
  • the first conductive layer includes a first conductive surface and a first ground ring, the first ground ring is located on the periphery of the first conductive surface, and the first conductive surface is disconnected from the first ground ring .
  • the first conductive surface includes a plurality of conductive blocks, the plurality of conductive blocks are evenly distributed on the first conductive surface, the plurality of conductive blocks are disconnected, and the plurality of conductive blocks are connected to the first conductive block. Disconnect between grounding rings.
  • the first ground ring is grounded.
  • It also includes a first optically transparent adhesive layer, and the capacitive screen is bonded to the shielding layer through the first optically transparent adhesive layer.
  • the capacitive screen includes a capacitive touch main body layer and a third conductive layer, and the third conductive layer is provided on the upper surface of the capacitive touch main body layer.
  • It also includes a glass cover plate stacked on top of the capacitive screen.
  • It also includes a second optically transparent adhesive layer, and the glass cover is bonded to the capacitive screen through the second optically transparent adhesive layer.
  • the preparation method of the capacitive screen preventing the interference of the display module includes the following steps:
  • first, second does not represent a specific number or order, but is only used to distinguish names.
  • low dielectric constant layer is made of low dielectric constant insulating materials.
  • the relative dielectric constant of air is close to 1, while all solid insulating materials are greater than 1.
  • the capacitive screen to prevent interference from the display module includes a display module, a shielding layer, and a capacitive screen.
  • a shielding layer is added between the display module and the capacitive screen.
  • the lower surface and the upper surface of the shielding layer are respectively provided with a first conductive layer ,
  • the second conductive layer, the first conductive layer is located above the display module, used to shield the interference signal from the display module, and avoid the interference signal radiated by the display module to the capacitive screen; the second conductive layer and the capacitor
  • the lower surface of the screen forms a downstream flow or upstream flow channel mode, forming one of the functional areas; the capacitive screen effectively prevents the display module from signal interference on the edge channel of the capacitive screen.
  • the shielding layer also includes a shielding base layer.
  • the first conductive layer and the second conductive layer are respectively sputtered or coated on the lower surface and upper surface of the shielding base layer.
  • the main function of the shielding base layer is to serve as the first conductive layer and the second conductive layer.
  • Layer of carrier is to serve as the first conductive layer and the second conductive layer.
  • the shielding base layer is a low dielectric constant plate layer, so that the shielding layer can shield the interference signal of the display module more.
  • the low dielectric constant plate layer is a glass plate layer, an acrylic plate layer or an acrylic composite plate layer, and the interference signal shielding effect of the display module is better.
  • the first conductive layer is a conductive thin film layer or a nano silver coating, which has a better signal shielding effect.
  • the second conductive layer is a nano silver coating, a conductive thin film layer or a metal mesh layer.
  • the nano silver coating, conductive thin film layer, or metal mesh layer is directly coated, sputtered or etched on the shielding base layer, which is convenient Production, improve production efficiency.
  • the first conductive layer includes a first conductive surface and a first ground ring.
  • the first ground ring is located on the periphery of the first conductive surface.
  • the first ground ring is used to isolate the interference of the display module to the edge channel.
  • the multiple conductive blocks are not connected to the first ground ring, and the multiple conductive blocks are not connected to each other to ensure non-edge
  • the channel of the area will not be affected by the large-area conductor and the signal will not be saturated, and at the same time, it will ensure the visual uniformity of the entire viewing area.
  • the first grounding ring ground wire is used to better isolate the interference of the display module to the edge channel.
  • the capacitive screen to prevent interference from the display module also includes a glue layer, whose main function is to fully attach the shielding layer to the top of the display module.
  • the capacitive screen for preventing interference from the display module also includes a first optically transparent adhesive layer.
  • the main function of the first optically transparent adhesive layer is to bond the capacitive screen and the shielding layer.
  • the third conductive layer is coated, sputtered or etched on the upper surface of the capacitive touch main layer.
  • the second conductive layer and the upper surface of the capacitive touch main layer form a downward flow or upward flow channel pattern, forming a A functional area.
  • the capacitive screen to prevent interference from the display module also includes a glass cover, which serves as the top layer of the capacitive screen to better protect the capacitive screen.
  • the capacitive screen for preventing interference from the display module further includes a second optically transparent adhesive layer, and the second optically transparent adhesive layer is used for bonding effective touch sensing in the silk screen area of the glass cover.
  • FIG. 1 is a cross-sectional view of a capacitive screen for preventing interference from a display module according to an embodiment of the present disclosure
  • FIG 2 is a plan view of the first conductive layer of the capacitive screen for preventing interference from the display module according to the embodiment of the present disclosure.
  • Display module 20. Shielding layer; 21. First conductive layer; 211. First conductive surface; 212. First ground ring; 22. Shielding base layer; 23. Second conductive layer; 30. Capacitive screen; 31 , Capacitive touch main body layer; 32, third conductive layer; 40, glue layer; 50, first optically transparent glue layer; 60, second optically transparent glue layer; 70, glass cover plate.
  • the capacitive screen to prevent interference from the display module includes a display module 10, a shielding layer 20, and a capacitive screen 30.
  • the display module 10, the shielding layer 20, and the capacitive screen 30 are stacked in sequence, and the shielding layer 20
  • the first conductive layer 21 and the second conductive layer 23 are respectively provided on the lower surface and the upper surface of the shielding layer 20, that is, the first conductive layer 21 is provided on the lower surface of the shielding layer 20, and the first conductive layer 22 is provided on the upper surface of the shielding layer 20.
  • the shielding layer 20 also includes a shielding base layer 22.
  • the first conductive layer 21 and the second conductive layer 23 are respectively provided on the lower surface of the shielding base layer 22 and the upper surface of the shielding base layer 22;
  • the shielding base layer 22 is a low dielectric constant plate Layer;
  • the low dielectric constant plate layer is a glass plate layer, an acrylic plate layer or an acrylic composite plate layer;
  • the first conductive layer 21 is a conductive thin film layer or a nano silver coating
  • the second conductive layer 23 is a nano silver coating, a conductive thin film layer or a metal mesh layer;
  • the first conductive layer 21 includes a first conductive surface 211 and a first ground ring 212.
  • the first ground ring 212 is located on the periphery of the first conductive surface 211, and the first conductive surface 211 is disconnected from the first ground ring 212;
  • the conductive surface 211 includes a plurality of conductive blocks, the plurality of conductive blocks are evenly distributed on the first conductive surface 211, the plurality of conductive blocks are disconnected, and the plurality of conductive blocks are disconnected from the first ground ring 212; the first ground Ring 212 is grounded.
  • the capacitive screen for preventing interference from the display module also includes a glue layer 40, a first optically transparent glue layer 50, a glass cover 70, and a second optically transparent glue layer 60.
  • the shielding layer 20 is attached to the display module 10 through the glue layer 40.
  • the capacitive screen 30 is bonded to the shielding layer 20 through the first optically transparent adhesive layer 50; the glass cover 70 is bonded to the capacitive screen 30 through the second optically transparent adhesive layer 60.
  • the capacitive screen 30 includes a capacitive touch main body layer 31 and a third conductive layer 32, and the third conductive layer 32 is provided on the upper surface of the capacitive touch main body layer 31.
  • the preparation method of the capacitive screen preventing the interference of the display module includes the following steps:
  • the capacitive screen 30 is laminated on the shielding layer 20.
  • the capacitive screen to prevent interference from the display module includes a display module 10, a shielding layer 20, and a capacitive screen 30.
  • a shielding layer 20 is added between the display module 10 and the capacitive screen 30.
  • the lower and upper surfaces of the shielding layer 20 There are a first conductive layer 21 and a second conductive layer 23 respectively on the upper side.
  • the first conductive layer 21 is located above the display module 10 and is used to shield the interference signal transmitted from the display module 10 and avoid the interference radiated by the display module 10
  • the signal interferes with the capacitive screen 30; the second conductive layer 23 and the lower surface of the capacitive screen 30 form a downward flow or upward flow channel pattern, forming one of the functional areas; the capacitive screen effectively prevents the display module 10 from interfering with the capacitive screen 30 Signal interference from edge channels.
  • the shielding layer 20 also includes a shielding base layer 22.
  • the first conductive layer 21 and the second conductive layer 23 are respectively sputtered or coated on the lower surface of the shielding base layer 22 and the upper surface of the shielding base layer 22.
  • the main function of the shielding base layer 22 is It serves as a carrier for the first conductive layer 21 and the second conductive layer 23.
  • the shielding base layer 22 is a low-dielectric constant plate layer, so that the shielding layer 20 shields the interference signal of the display module 10 even more.
  • the low dielectric constant plate layer is a glass plate layer, an acrylic plate layer or an acrylic composite plate layer, and the interference signal shielding effect of the display module 10 is better.
  • the first conductive layer 21 is a conductive thin film layer or a nano silver coating, which has a better signal shielding effect.
  • the second conductive layer 23 is a nano silver coating, a conductive thin film layer or a metal mesh layer, and the nano silver coating, conductive thin film layer, or metal mesh layer is directly coated, sputtered or etched on the shielding base layer 22 , To facilitate production and improve production efficiency.
  • the first conductive layer 21 includes a first conductive surface 211 and a first ground ring 212.
  • the first ground ring 212 is located on the periphery of the first conductive surface 211.
  • the first ground ring 212 is used to isolate 10 pairs of display modules. Interference from the edge channel.
  • the ground wire of the first ground ring 212 is used to better isolate the interference of the display module 10 to the edge channel.
  • the capacitive screen for preventing interference from the display module also includes a glue layer 40, the main function of which is to fully attach the shielding layer 20 to the top of the display module 10.
  • the capacitive screen for preventing interference from the display module further includes a first optically transparent adhesive layer 50.
  • the main function of the first optically transparent adhesive layer 50 is to bond the capacitive screen 30 and the shielding layer 20.
  • the third conductive layer 32 is coated, sputtered or etched on the upper surface of the capacitive touch body layer 31, and the second conductive layer 23 and the upper surface of the capacitive touch body layer 31 form a downstream flow or upstream flow channel pattern , Forming one of the functional areas.
  • the capacitive screen for preventing interference from the display module also includes a glass cover 70, which serves as the most surface layer of the capacitive screen 30 to better protect the capacitive screen 30.
  • the capacitive screen for preventing interference from a display module further includes a second optically transparent adhesive layer 60, which is used for bonding effective touch sensing on the silk-screened area of the glass cover 70.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Position Input By Displaying (AREA)

Abstract

提出了一种防止显示模组干扰的电容屏及其制备方法，防止显示模组干扰的电容屏，包括显示模组（10）、屏蔽层（20）和电容屏（30），所述显示模组（10）、屏蔽层（20）和电容屏（30）依次层叠，所述屏蔽层（20）的下表面和所述屏蔽层（20）的上表面上分别具有第一导电层（21）和第二导电层（23）。该电容屏有效防止显示模组对电容屏边缘通道的信号干扰。

Description

防止显示模组干扰的电容屏及其制备方法
本公开以2019年2月19日递交的、申请号为201910127777.7且名称为“防止显示模组干扰的电容屏及其制备方法”的专利文件为优先权文件，其全部内容通过引用结合在本公开中。
技术领域
本公开涉及显示屏领域，尤其涉及一种防止显示模组干扰的电容屏及其制备方法。
背景技术
目前大尺寸全贴合电容屏采用电容屏+全贴合胶+显示模组的结构方式，因为在电容屏上最边缘的通道受到显示模组边缘辐射出来的干扰较大，容易出现电容屏边缘通道的信号不稳定。
发明内容
本公开的目的在于提供一种防止显示模组干扰的电容屏及其制备方法，该电容屏有效防止显示模组对电容屏边缘通道的信号干扰。
其技术方案如下：
防止显示模组干扰的电容屏，包括显示模组、屏蔽层和电容屏，所述显示模组、所述屏蔽层和所述电容屏依次层叠，所述屏蔽层的下表面和所述屏蔽层的上表面上分别具有第一导电层和第二导电层。
所述屏蔽层还包括屏蔽基层，所述第一导电层和第二导电层分别设在所述屏蔽基层的下表面上和所述屏蔽基层的上表面上。
所述屏蔽基层为低介电常数板层。
所述低介电常数板层为玻璃板层、亚克力板层或亚克力类复合板层。
所述第一导电层为导电薄膜层或纳米银涂层。
所述第二导电层为纳米银涂层、导电薄膜层或金属网层。
所述第一导电层包括第一导电面、第一接地环，所述第一接地环位于所述第一导电面的四周外围，所述第一导电面与所述第一接地环之间断开。
所述第一导电面包括多个导电块，多个所述导电块均匀分布在所述第一导电面上，多个所述导电块之间断开，多个所述导电块与所述第一接地环之间断开。
所述第一接地环接地线。
还包括胶水层，所述屏蔽层通过所述胶水层贴合在所述显示模组的上方。
还包括第一光学透明胶层，所述电容屏通过所述第一光学透明胶层与所述屏蔽层粘接。
所述电容屏包括电容触控主体层、第三导电层，所述第三导电层设在所述电容触控主体层的上表面上。
还包括玻璃盖板，所述玻璃盖板叠在所述电容屏的上方。
还包括第二光学透明胶层，所述玻璃盖板通过所述第二光学透明胶层与所述电容屏粘接。
防止显示模组干扰的电容屏的制备方法，包括以下步骤：
在屏蔽层的下表面上和所述屏蔽层的上表面上分别涂布、溅镀或蚀刻第一导电层和第二导电层；
把涂布、溅镀或蚀刻好的屏蔽层层叠在显示模组的上方；
把电容屏层叠在屏蔽层的上方。
需要说明的是：
前述“第一、第二…”不代表具体的数量及顺序，仅仅是用于对名称的区分。
在本公开的描述中，需要理解的是，术语“上”、“下”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本公开和简化描述，而不是指示或暗示所指的设备或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本公开的限制。
前述“低介电常数板层”为低介电常数绝缘材料制成，空气的相对介电常数接近1，而所有的固体绝缘材料都大于1，所述低介电常数越低，绝缘性能越好。
下面对本公开的优点或原理进行说明：
1、本防止显示模组干扰的电容屏包括显示模组、屏蔽层、电容屏，在显示模组与电容屏之间增设屏蔽层，屏蔽层的下表面、上表面上分别具有第一导电层、第二导电层，第一导电层位于显示模组的上方，用于屏蔽显示模组传来的干扰信号，避免显示模组辐射出来的干扰信号对电容屏的干扰；第二导电层与电容屏的下表面形成下行流量或上行流量通道模式，形成其中的一层功能区；该电容屏有效防止显示模组对电容屏边缘通道的信号干扰。
2、屏蔽层还包括屏蔽基层，第一导电层、第二导电层分别溅镀或涂布在屏蔽基层的下表面、上表面上，屏蔽基层其主要作用是作为第一导电层、第二导电层的载体。
3、屏蔽基层为低介电常数板层，使屏蔽层对显示模组的干扰信号屏蔽更撤底。
4、优选的，低介电常数板层为玻璃板层、亚克力板层或亚克力类复合板层，显示模组的 干扰信号屏蔽效果更好。
5、优选的，第一导电层为导电薄膜层或纳米银涂层，对信号屏蔽效果更好。
6、优选的，第二导电层为纳米银涂层、导电薄膜层或金属网层，把纳米银涂层、导电薄膜层、金属网层直接涂布、溅镀或蚀刻在屏蔽基层上，方便生产，提高生产效率。
7、第一导电层包括第一导电面、第一接地环，第一接地环位于所述第一导电面的四周外围，第一接地环用于隔离显示模组对边缘通道的干扰。
8、把第一导电层内的第一导电面打散成多个小块的导电块，多个导电块与第一接地环互不相连，多个导电块之间互不联通，确保非边缘区域的通道不会因为受到大面积导体的影响而出现信号饱和的情况，同时也确保整个可视区视觉上的均匀性。
9、第一接地环接地线，用于更好的隔离显示模组对边缘通道的干扰。
10、本防止显示模组干扰的电容屏还包括胶水层，主要功能是把屏蔽层全贴合在显示模组的上方。
11、本防止显示模组干扰的电容屏还包括第一光学透明胶层，第一光学透明胶层的主要功能是为了粘接电容屏与屏蔽层。
12、第三导电层通过涂布、溅镀或蚀刻在电容触控主体层的上表面上，第二导电层与电容触控主体层的上表面形成下行流量或上行流量通道模式，形成其中的一层功能区。
13、本防止显示模组干扰的电容屏还包括玻璃盖板，玻璃盖板作为电容屏最表面的一层，更好的保护电容屏。
14、本防止显示模组干扰的电容屏还包括第二光学透明胶层，第二光学透明胶层用于在玻璃盖板的丝印区粘接有效的触控传感。
附图说明
构成本公开的一部分的说明书附图用来提供对本公开的进一步理解，本公开的示意性实施例及其说明用于解释本公开，并不构成对本公开的不当限定。在附图中：
图1是本公开实施例防止显示模组干扰的电容屏的剖视图；
图2是本公开实施例防止显示模组干扰的电容屏第一导电层的平面图。
附图标记说明：
10、显示模组；20、屏蔽层；21、第一导电层；211、第一导电面；212、第一接地环；22、屏蔽基层；23、第二导电层；30、电容屏；31、电容触控主体层；32、第三导电层；40、胶水层；50、第一光学透明胶层；60、第二光学透明胶层；70、玻璃盖板。
具体实施方式
下面对本公开的实施例进行详细说明。
如图1和图2所示，防止显示模组干扰的电容屏，包括显示模组10、屏蔽层20和电容屏30，显示模组10、屏蔽层20和电容屏30依次层叠，屏蔽层20的下表面和上表面上分别具有第一导电层21和第二导电层23，即屏蔽层20的下表面上具有第一导电层21，屏蔽层20的上表面上具有第一导电层22。
其中，屏蔽层20还包括屏蔽基层22，第一导电层21和第二导电层23分别设在屏蔽基层22的下表面上和屏蔽基层22的上表面上；屏蔽基层22为低介电常数板层；优选的，低介电常数板层为玻璃板层、亚克力板层或亚克力类复合板层；
第一导电层21为导电薄膜层或纳米银涂层；第二导电层23为纳米银涂层、导电薄膜层或金属网层；
第一导电层21包括第一导电面211、第一接地环212，第一接地环212位于第一导电面211的四周外围，第一导电面211与第一接地环212之间断开；第一导电面211包括多个导电块，多个导电块均匀分布在第一导电面211上，多个导电块之间断开，多个所述导电块与第一接地环212之间断开；第一接地环212接地线。
本防止显示模组干扰的电容屏还包括胶水层40、第一光学透明胶层50、玻璃盖板70、第二光学透明胶层60，屏蔽层20通过胶水层40贴合在显示模组10的上方；电容屏30通过第一光学透明胶层50与屏蔽层20粘接；玻璃盖板70通过第二光学透明胶层60与电容屏30的上方粘接。
电容屏30包括电容触控主体层31、第三导电层32，第三导电层32设在电容触控主体层31的上表面上。
防止显示模组干扰的电容屏的制备方法，包括以下步骤：
在屏蔽层20的下表面上和屏蔽层20的上表面上分别涂布、溅镀或蚀刻第一导电层21和第二导电层23；
把涂布、溅镀或蚀刻好的屏蔽层20层叠在显示模组10的上方；
然后把电容屏30层叠在屏蔽层20的上方。
本实施例具有如下优点：
1、本防止显示模组干扰的电容屏包括显示模组10、屏蔽层20、电容屏30，在显示模组10与电容屏30之间增设屏蔽层20，屏蔽层20的下表面、上表面上分别具有第一导电层21、第二导电层23，第一导电层21位于显示模组10的上方，用于屏蔽显示模组10传来的干扰信号，避免显示模组10辐射出来的干扰信号对电容屏30的干扰；第二导电层23与电容屏30 的下表面形成下行流量或上行流量通道模式，形成其中的一层功能区；该电容屏有效防止显示模组10对电容屏30边缘通道的信号干扰。
2、屏蔽层20还包括屏蔽基层22，第一导电层21和第二导电层23分别溅镀或涂布在屏蔽基层22的下表面和屏蔽基层22的上表面上，屏蔽基层22其主要作用是作为第一导电层21、第二导电层23的载体。
3、屏蔽基层22为低介电常数板层，使屏蔽层20对显示模组10的干扰信号屏蔽更撤底。
4、优选的，低介电常数板层为玻璃板层、亚克力板层或亚克力类复合板层，显示模组10的干扰信号屏蔽效果更好。
5、优选的，第一导电层21为导电薄膜层或纳米银涂层，对信号屏蔽效果更好。
6、优选的，第二导电层23为纳米银涂层、导电薄膜层或金属网层，把纳米银涂层、导电薄膜层、金属网层直接涂布、溅镀或蚀刻在屏蔽基层22上，方便生产，提高生产效率。
7、第一导电层21包括第一导电面211、第一接地环212，第一接地环212位于所述第一导电面211的四周外围，第一接地环212用于隔离显示模组10对边缘通道的干扰。
8、把第一导电层21内的第一导电面211打散成多个小块的导电块，多个导电块与第一接地环212互不相连，多个导电块之间互不联通，确保非边缘区域的通道不会因为受到大面积导体的影响而出现信号饱和的情况，同时也确保整个可视区视觉上的均匀性。
9、第一接地环212接地线，用于更好的隔离显示模组10对边缘通道的干扰。
10、本防止显示模组干扰的电容屏还包括胶水层40，主要功能是把屏蔽层20全贴合在显示模组10的上方。
11、本防止显示模组干扰的电容屏还包括第一光学透明胶层50，第一光学透明胶层50的主要功能是为了粘接电容屏30与屏蔽层20。
12、第三导电层32通过涂布、溅镀或蚀刻在电容触控主体层31的上表面上，第二导电层23与电容触控主体层31的上表面形成下行流量或上行流量通道模式，形成其中的一层功能区。
13、本防止显示模组干扰的电容屏还包括玻璃盖板70，玻璃盖板70作为电容屏30最表面的一层，更好的保护电容屏30。
14、本防止显示模组干扰的电容屏还包括第二光学透明胶层60，第二光学透明胶层60用于在玻璃盖板70的丝印区粘接有效的触控传感。
以上仅为本公开的具体实施例，并不以此限定本公开的保护范围；在不违反本公开构思的基础上所作的任何替换与改进，均属本公开的保护范围。

Claims (15)

  1. 防止显示模组干扰的电容屏，其特征在于，包括显示模组、屏蔽层和电容屏，所述显示模组、所述屏蔽层和所述电容屏依次层叠，所述屏蔽层的下表面和所述屏蔽层的上表面上分别具有第一导电层和第二导电层。
  2. 如权利要求1所述的防止显示模组干扰的电容屏，其特征在于，所述屏蔽层还包括屏蔽基层，所述第一导电层和第二导电层分别设在所述屏蔽基层的下表面上和所述屏蔽基层的上表面上。
  3. 如权利要求2所述的防止显示模组干扰的电容屏，其特征在于，所述屏蔽基层为低介电常数板层。
  4. 如权利要求3所述的防止显示模组干扰的电容屏，其特征在于，所述低介电常数板层为玻璃板层、亚克力板层或亚克力类复合板层。
  5. 如权利要求1所述的防止显示模组干扰的电容屏，其特征在于，所述第一导电层为导电薄膜层或纳米银涂层。
  6. 如权利要求1所述的防止显示模组干扰的电容屏，其特征在于，所述第二导电层为纳米银涂层、导电薄膜层或金属网层。
  7. 如权利要求1至6中任一项所述的防止显示模组干扰的电容屏，其特征在于，所述第一导电层包括第一导电面、第一接地环，所述第一接地环位于所述第一导电面的四周外围，所述第一导电面与所述第一接地环之间断开。
  8. 如权利要求7所述的防止显示模组干扰的电容屏，其特征在于，所述第一导电面包括多个导电块，多个所述导电块均匀分布在所述第一导电面上，多个所述导电块之间断开，多个所述导电块与所述第一接地环之间断开。
  9. 如权利要求7所述的防止显示模组干扰的电容屏，其特征在于，所述第一接地环接地线。
  10. 如权利要求1至6中任一项所述的防止显示模组干扰的电容屏，其特征在于，还包括胶水层，所述屏蔽层通过所述胶水层贴合在所述显示模组的上方。
  11. 如权利要求1至6中任一项所述的防止显示模组干扰的电容屏，其特征在于，还包括第一光学透明胶层，所述电容屏通过所述第一光学透明胶层与所述屏蔽层粘接。
  12. 如权利要求1至6中任一项所述的防止显示模组干扰的电容屏，其特征在于，所述电容屏包括电容触控主体层和第三导电层，所述第三导电层设在所述电容触控主体层的上表面上。
  13. 如权利要求1至6中任一项所述的防止显示模组干扰的电容屏，其特征在于，还包括玻璃盖板，所述玻璃盖板叠在所述电容屏的上方。
  14. 如权利要求13所述的防止显示模组干扰的电容屏，其特征在于，还包括第二光学透明胶层，所述玻璃盖板通过所述第二光学透明胶层与所述电容屏粘接。
  15. 防止显示模组干扰的电容屏的制备方法，其特征在于，包括以下步骤：
    在屏蔽层的下表面上和所述屏蔽层的上表面上分别涂布、溅镀或蚀刻第一导电层和第二导电层；
    把涂布、溅镀或蚀刻好的屏蔽层层叠在显示模组的上方；
    把电容屏层叠在屏蔽层的上方。
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