CN201402357Y - Liquid crystal display panel structure with capacitive touch pad - Google Patents

Liquid crystal display panel structure with capacitive touch pad Download PDF

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Publication number
CN201402357Y
CN201402357Y CN2009200088784U CN200920008878U CN201402357Y CN 201402357 Y CN201402357 Y CN 201402357Y CN 2009200088784 U CN2009200088784 U CN 2009200088784U CN 200920008878 U CN200920008878 U CN 200920008878U CN 201402357 Y CN201402357 Y CN 201402357Y
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liquid crystal
electrode layer
touch
crystal display
display panel
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CN2009200088784U
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Chinese (zh)
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张恒耀
简顺达
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宸鸿光电科技股份有限公司
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Abstract

The utility model relates to a liquid crystal display panel structure with a capacitive touch pad, consisting of a first touch control induction electrode layer formed above the upper polarizer of theliquid crystal display panel and a second touch control induction electrode layer formed under the upper polarizer of the liquid crystal display panel; wherein the first touch control induction electrode layer and the second touch control induction electrode layer are respectively provided with a reserved electrode graph. When one touch control object is touched, the touch control object is respectively inducted with the first touch control induction electrode layer and the second touch control induction electrode layer, for generating the capacitance coupling corresponding relations so as torealize the touch control effect.

Description

具有电容式触控板的液晶显示面板结构 A liquid crystal panel having a capacitive touch panel structure

技术领域 FIELD

本实用新型关于一种结合触控板与液晶显示面板的设计,特别是关于一种具有电容式触控板的液晶显示面板结构,是在液晶显示面板的上偏光板之 The present invention relates to a combined touch panel liquid crystal display panel is designed, in particular, relates to a liquid crystal panel having a capacitive touch panel structure, a polarizing plate on the liquid crystal display panel of

上形成有一第一触控感应电极层,以及在液晶显示面板的上偏光板之下形成有一第二触控感应电极层。 It is formed on a first touch sensing electrode layer, and the polarizing plate on the liquid crystal display panel is formed under a second touch sensing electrode layer.

背景技术 Background technique

液晶显示面板(LCD)在目前已经普遍为人们所使用,有各种关于液晶显示面板的结构设计。 Liquid crystal display panel (LCD) has been widely used by people at the present, there are various structural design on the liquid crystal display panel. 同时参阅图1及图2所示,是显示已知液晶显示面板的结构断面示意图及液晶显示模块的结构断面示意图。 Referring to FIG. 1 and FIG. 2, the liquid crystal display is a known cross-sectional schematic view of the module and a cross-sectional schematic view of the liquid crystal display panel. 如图所示,液晶显示面板l 包括有一液晶显示模块IO及一保护板11。 As shown, the liquid crystal display panel includes a liquid crystal display l IO module 11, and a protective plate.

液晶显示模块IO包括有一下偏光板12、 一下基板101、 一下导电层102、 —液晶层103、 一上导电层104、 一彩色滤光层13、一上基板】05及一上偏光板14。 IO module comprises a liquid crystal display has a lower polarization plate 12, a lower substrate 101, a lower conductive layer 102, - liquid crystal layer 103, an upper conductive layer 104, a color filter layer 13, an upper substrate 05 and an upper polarizer] 14.

液晶显示面板与触控面板结合方面,目前有将液晶显示面板与触控面板结合的技术,使操作更简便。 The liquid crystal display panel and the touch panel connection with the aspects, there are the liquid crystal display panel and the touch panel technology in combination, make the operation easier. 早期有电阻膜线路的触控设计,触控体与显示元件在接触位置所造成的压力使两层电阻膜接触,因而闭合一个开关并送出一个触摸信号给一个控制器进一步处理,接触位置由此被检测出。 Early touch design resistive film lines, the pressure body and the touch position of the display element caused by the contact resistance of the two layers in contact with the membrane, thereby closing a switch and sends a signal to a touch controller is further processed, whereby the contact position It is detected. 但在长期的按压后,触控面板电阻膜因不断的按压形变而损坏,形成触控面板信赖性的问题。 However, after long-term pressing, due to the continuous resistive film touch panel pressing deformation and damage, the problem is formed reliability touch panel.

针对电阻膜线路触控设计的缺点所作的改良而有电容式触控板。 Improved resistance film lines for the shortcomings of the design made by touch while capacitive touch panels. 电容式触控板的结构是由上下各一的触控感应图型层与位在两层触控感应图型层中间的一介质层所组成。 Structure capacitive touch panel is a touch sensing upper and lower layer bit pattern between two layers of the touch sensing layer pattern composed of a dielectric layer. 液晶显示面板与电容式触控板结合时,通常都是先各自生产完成,再依序迭置贴合成一体。 When the liquid crystal display panel combined with the capacitive touch panel, usually before their production is completed, then sequentially stacked integrally affixed to opposite. 如此,使用者可利用手指或触控笔等导电物体,依照触控板表面显示的图样及文字进行点选,以进行输入及操作。 Thus, the user can use a finger or stylus or other conductive object, performed in accordance with the tap pattern and text displayed in the touch panel surface, and for input operation.

实用新型内容 SUMMARY

本实用新型所欲解决的技术问题: The utility model of technical problems to be solved:

触控板与液晶显示面板都需要在表面设置保护板,保护板通常使用相同的玻璃材料所制成,在制造时会重复消耗较多的生产材料。 The touch panel liquid crystal display panel will be set on the surface of the protective plate, the protective plate is generally used in the same glass material made of, at the time of manufacture will consume more duplicate production materials. 此外,触控板与液晶显示面板通常都是先各自生产完成后,再依序迭置贴合,此种装配方式较为复杂、浪费工时,且容易产出不良品。 Further, the liquid crystal display panel and the touch panel are usually each produce first completed, and then bonding the overlapped sequentially, this approach is more complex assembly, wasteful man-hours, and easily yield defective products. 并且分开生产再迭置的方式会造成完成后的产品厚度较厚,增加产品外型薄型化设计的困难。 Diego home again and separate production the way can cause the finished product thicker, more difficult product looks thin design.

因此,本实用新型的目的即是提供一种电容式触控板与液晶显示面板的整合结构,其提供的电容式触控板与液晶显示面板的整合方式不需额外增加基材,以使产品薄型化。 Accordingly, the object of the present invention that is integrated structure of the panel to provide a capacitive touch panel and the liquid crystal display, which provides a capacitive touch panel and the liquid crystal display panel integrated manner without additional base, to make the product thinner.

本实用新型解决问题的技术手段: The utility model solves the problem of technical means:

为解决已知技术的问题,本实用新型所采用的技术手段是:提供一种具有电容式触控板的液晶显示面板结构,所述具有电容式触控板的液晶显示面板结构包括一液晶显示模块,所述液晶显示模块包括有一下偏光板及一上偏光板,其中,所述上偏光板的顶面设有一具有一预定电极图型的第一触控感应电极层,而在所述上偏光板的底面设有一具有一预定电极图型的第二触控感应电极层, 一触控物件分别与所述第一触控感应电极层及所述第二触控感应电极层感应产生电容耦合。 To solve the problems of the known art, technical means adopted by the present invention are: to provide a liquid crystal panel having a capacitive touch panel structure, said panel having a capacitive touch liquid crystal display panel comprises a liquid crystal display structure module, the module comprises a liquid crystal display has a lower polarizing plate and an upper polarizer, wherein a top surface of the upper polarizing plate is provided having a first layer of a predetermined touch sensing electrode of the electrode pattern, and in the upper a polarizing plate having a bottom surface provided with a second electrode layer of a predetermined touch sensing electrode pattern of a touch object are capacitively coupled with the first touch sensing electrode layer and the second touch sensing electrode sensing layer .

本实用新型对照已知技术的功效: The present invention controls the effectiveness of the known art:

经由本实用新型所采用的技术手段,使电容式触控板与液晶显示面板整合为一,其整合方式不需额外增加基材,使得整体厚度不会增加,有助于产 New techniques by the present invention employed, the capacitive type touch panel and a liquid crystal display panel is integrated which integrated manner without additional base, such that the overall thickness is not increased, facilitating production

品薄型化的需求,减轻产品重量。 Thin product demand, reduce product weight. 再者,电容式触控板并非与液晶显示面板分开生产后再装配,而是直接结合在液晶显示面板之中,故在产业利用时, 具有工艺简易、成品率高、制作成本低的优势,进而提升加工性以及有利于产出成品率。 Further, the capacitive touch panel liquid crystal display panel are not produced separately and then assembled, but directly incorporated into the liquid crystal display panel, so in the industrial use, having a simple process, high yield, low production cost advantages, thereby improving workability and conducive output yield. 再者,由于本实用新型中的触控感应电极层是结合于液晶显示面板的上偏光板,较接近于使用者手指或触控物件的操作面,故触控感应电极层具有较高的感应灵敏度。 Further, since the present invention in the touch sensing electrode layer is bonded to the polarizing plate on the liquid crystal display panel, closer to the user's finger or a touch operation surface of the object, so that the touch sensing electrode layer has a higher induction sensitivity.

附图说明 BRIEF DESCRIPTION

图1是显示已知液晶显示面板的结构断面示意图; 图2是显示已知液晶显示模块的结构断面示意图; 图3是显示本实用新型第一实施例的结构断面示意图; 图4是显示本实用新型第一实施例的立体分解示意图; 图5是显示本实用新型第二实施例的立体分解示意图。 FIG. 1 is a sectional schematic view of a known liquid crystal display panel; FIG. 2 is a sectional schematic view of a known liquid crystal display module; FIG. 3 is a sectional schematic view of a first embodiment of the present invention display; FIG. 4 is a graph showing the present invention new perspective exploded view of the first embodiment; FIG. 5 is a perspective view of the second embodiment of the present invention exploded view. 附图标号 Reference numeral

100、 100a、 100b、 100c 整合结构 100, 100a, 100b, 100c integrated structure

1 液晶显示面板 A liquid crystal display panel

10 液晶显示模块 10 liquid crystal display module

101 下基板 The lower substrate 101

102 下导电层 Lower conductive layer 102

103 液晶层 The liquid crystal layer 103

104 上导电层 Upper conductive layer 104

105 上基板 105 on the substrate

11 保护板 11 protection board

12 下偏光板 12 bottom polarizer

13 彩色滤光层 A color filter layer 13

14 上偏光板 14 on the polarizer

2 第一触控感应电极层电极图型 2 of the first touch sensing electrode layer of the electrode pattern

21、 22 电极 21, the electrode 22

3 第二触控感应电极层 The second touch sensing electrode layers 3

30、 30a 电极图型 30, 30a electrode pattern

31、 32 电极 31, the electrode 32

4 触控感应图型层 The touch sensing layer pattern 4

40 电极图型 Electrode pattern 40

41 第一电极 The first electrode 41

411 电极 411 electrodes

42 第二电极 The second electrode 42

421 电极 421 electrodes

43 绝缘层 43 insulating layer

X、 Y 轴向 X, Y axis

说明书第4/6页 Instructions Page 4/6

具体实施方式 Detailed ways

本实用新型所采用的具体实施例,将通过以下的实施例及所附附图做进一步的说明。 Specific embodiments of the present invention is employed, it will be further illustrated by the following examples and the accompanying drawings.

参阅图3所示,是显示本实用新型第一实施例的结构断面示意图。 Refer to FIG. 3, it is a sectional schematic view of a first embodiment of the present invention. FIG. 如图 Figure

所示,本实用新型第一实施例电容式触控板与液晶显示面板的整合结构100, 包括有液晶显示面板1、一第一触控感应电极层2及一第二触控感应电极层3。 Shown, the first embodiment of the present invention, the capacitive touch panel integrated structure of the liquid crystal display panel 100 includes a liquid crystal display panel 1, a first electrode layer 2 and the touch sensing a second touch sensing electrode layer 3 .

液晶显示面板1由下而上依序包括有一下偏光板12、下基板101、下导电层102、液晶层103、上导电层104、彩色滤光层13、上基板105、上偏光板14及保护板11。 The liquid crystal display panel 1 has a lower polarizing plate comprises a bottom to top 12, the lower substrate 101, the conductive layer 102, liquid crystal layer 103, the conductive layer 104, the color filter layer 13, the upper substrate 105, and the upper polarizer 14 protective plate 11. 其中所述彩色滤光层13主要包括有已知的黑色矩阵(Black Matrix)及彩色光阻(Color Resist)。 Wherein said color filter layer 13 mainly comprises a known black matrix (Black Matrix) and color photoresists (Color Resist).

在液晶显示面板1的上偏光板14之上,形成有一第一触控感应电极层2, 而在液晶显示面板1的上偏光板14之下,形成有一第二触控感应电极层3。 A display panel on the polarizing plate 14, a first touch sensing electrode layer 2 is formed, and the liquid crystal display panel 1 below the upper polarizing plate 14, a second touch sensing electrode 3 is formed in the liquid crystal layer. 也就是,本实用新型的第一触控感应电极层2是位在液晶显示面板1的保护 That is, the present invention first touch sensing electrode layer 2 is located in the protective panel 1 of the liquid crystal display

板11与上偏光板14之间,而第二触控感应电极层3是位在液晶显示面板1 的上偏光板14与上基板105之间。 Between the plate 11 and the upper polarizing plate 14, and the second touch sensing electrode layer 3 was a liquid crystal display panel 1 between the upper polarizing plate 14 and the upper substrate 105.

参阅图4所示,是显示本实用新型第一实施例的立体分解示意图。 Referring to FIG. 4, the present invention is a perspective exploded view of the first embodiment. 如图所示,第一触控感应电极层2具有一预定电极图型20,电极图型20包括多个呈长条形的电极21,各电极21彼此互相平行但不相接触。 As shown, the first touch sensing electrode layer 2 having a predetermined electrode pattern 20, an electrode pattern 20 includes a plurality of elongated strip-shaped electrodes 21, the electrodes 21 are parallel to each other but not in contact. 第二触控感应电极层3具有一预定电极图型30,电极图型30包括多个呈长条形的电极31,各电极31彼此互相平行但不相接触。 The second touch sensing electrode layer 3 having a predetermined pattern electrode 30, the electrode pattern 30 includes a plurality of elongated strip-shaped electrodes 31, each electrode 31 parallel to each other but not in contact with each other. 第一触控感应电极层2的各个电极21与第二触控感应电极层3的各个电极31电连接于一控制器(图中未示)。 Each of the first electrode layer 2 of the touch sensing electrode 21 and the respective second electrode 31 electrically touch sensing electrode layer 3 is connected to a controller (not shown).

在本实施例中,第一触控感应电极层2的每一个呈长条形的电极21的排列方向与第二触控感应电极层3的每一个呈长条形的电极31的排列方向互相垂直。 In the present embodiment, each electrode arrangement direction of the elongated strip 21 of the first touch sensing electrode layer 2 and the electrode arrangement direction of each elongated strip of a second layer 3 of the touch sensing electrode 31 to each other vertical. 第一触控感应电极层2的电极21负责一预定轴向Y的触控感应,第二触控感应电极层3的电极31则负责一预定轴向X的触控感应。 The first electrode layer 2 of the touch sensing electrode 21 is responsible for a touch sensing predetermined axial direction Y, the second touch sensing electrodes 31 of the electrode layer 3 is responsible for a predetermined axial direction X of touch sensing. 实施上,亦可以将第一触控感应电极层2的电极21设置为负责轴向X的触控感应,而将第二触控感应电极层3的电极31设置为负责轴向Y的触控感应。 The embodiment also may be a first electrode layer 2 of the touch sensing electrode 21 is set to be responsible for X axis touch sensing, and the second electrode layer, the touch sensing electrode 31 is responsible for set 3 is the axial direction of the touch Y induction.

电极图型中长条形的电极21、 31的电极22、 32实施上可有不同的变化, 可为菱形、正方形、正六边形不等。 FIG elongated electrode type electrodes 21, 22 electrode 31, 32 may have different variations of embodiment, may be a diamond, square, regular hexagon range. 如图5所示,其显示本实用新型第二实施例电容式触控板与液晶显示面板的整合结构100a的立体分解示意图。 5, which shows a second embodiment of the present invention, the capacitive touch panel integrated structure 100a perspective exploded view of the panel of the liquid crystal display. 在此实施例中,第一触控感应电极层2的电极图型20a中每一个长条形的电极21 由多个呈六边形的几何轮廓形状的电极22连接而形成,第二触控感应电极层3的电极图型30a中每一个长条形的电极31由多个呈六边形的几何轮廓形状的电极32连接而形成。 Embodiment, the first touch sensing electrode layer of the electrode pattern 20a 2 of each of the elongated electrode 21 is composed of a plurality of electrodes 22 are connected hexagonal geometric profile shape is formed in this embodiment, the second touch sensing electrode layer 3 of the electrode pattern 30a of each of the elongated electrode 31 by a plurality of geometric contours of the hexagonal shape formed by connecting the electrode 32. 采用六边形的几何轮廓形状的电极22、 32可达到有效提高触控感应灵敏度的优点。 Hexagonal geometric contour shape of electrodes 22, 32 can effectively achieve the advantage of improving the sensitivity of touch sensing.

当使用者利用一触控物件(如手指或其他导电物体)触碰液晶显示面板1 的保护板11的操作面时,由于结合在液晶显示面板1中的第一触控感应电极层2及第二触控感应电极层3都连结到控制器(图未示),故当触控发生时,因为触控物件分别与第一触控感应电极层2及第二触控感应电极层3感应产生 When a user using a touch object (such as a finger or other conductive object) touches the operation surface of the liquid crystal display panel 11 of the protective plate 1, since the display panel 1 in conjunction with the first touch sensing electrode layer 2 and the second liquid crystal two touch sensing electrode layer 3 are coupled to a controller (not shown), so that when the touch occurs, the touch object is generated as touch sensing electrodes and the first layer 2 and second layer 3 inductive touch sensing electrode, respectively

电容耦合,将对应的轴向X、 Y的位置通过送出一个电位变化的触控信号给 Capacitive coupling, the corresponding axial X, Y position by sending a signal to the potential change of the touch

控制器进一步处理,触控位置由此被检测出,达到触控的效果。 The controller is further processed, whereby the touch position is detected, the touch achieve.

再者,由于本实用新型中的第一触控感应电极层2及第二触控感应电极层3是结合于液晶显示面板的上偏光板的上表面及下表面,使所述第一触控感应电极层2及第二触控感应电极层3的电极图型较接近于液晶显示面板1 的保护板11的操作面。 Further, since the first touch sensing electrode layer 2 in the present invention and the second touch sensing electrode layer 3 on the upper and lower surfaces of the polarizing plate bonded to the liquid crystal display panel, the first touch a second sensing electrode layer 2 and the touch sensing electrode layer of the electrode pattern 3 is closer to the operation surface of the liquid crystal display panel 1 of the protective plate 11. 故当使用者以手指或其它触控物件在液晶显示面板1 的保护板11的操作面(表面)进行触控操作时,所述第一触控感应电极层2及第二触控感应电极层3的电极图型会具有较高的感应灵敏度,使得触控感应性能较佳。 When the protective plate so that the display panel when the user's operation of a face (surface) 11 in the liquid crystal finger or other touch operation of the touch object, the touch sensing first electrode layer 2 and the second touch sensing electrode layer the electrode pattern 3 may have a high sensitivity sensor, such that the preferred touch sensing performance.

由以上的实施例可知,本实用新型所提供的具有电容式触控板的液晶显示面板结构确具产业上的利用价值,故本实用新型业已符合于专利的要件。 From the above embodiment, the present liquid crystal having a capacitive touch panel of the invention to provide a display panel having a structure to determine the industrial utility value, so that the present invention has been to meet the requirements of the patent. 以上的叙述仅为本实用新型的较佳实施例说明,凡本领域的技术人员当可依据上述的说明而作其它种种的改良,这些改变仍属于本实用新型的新型精神及权利要求所界定范围。 The above description is only preferred embodiments of the present invention described embodiment, those skilled in the art where when based on the above description and can be modified in various other such changes still belong to the present invention novel spirit and scope defined by the claims .

Claims (3)

1.一种具有电容式触控板的液晶显示面板结构,其特征在于,所述具有电容式触控板的液晶显示面板结构包括一液晶显示模块,所述液晶显示模块包括有一下偏光板及一上偏光板,其中,所述上偏光板的顶面设有一具有一预定电极图型的第一触控感应电极层,而在所述上偏光板的底面设有一具有一预定电极图型的第二触控感应电极层,一触控物件分别与所述第一触控感应电极层及所述第二触控感应电极层感应产生电容耦合。 1. A liquid crystal panel having a capacitive touch panel structure, wherein said panel having a capacitive touch liquid crystal display panel comprises a liquid crystal display module structure, the display module comprises a liquid crystal and a polarizing plate has a lower an upper polarizing plate, wherein the top surface of the first polarizing plate is provided with a touch having a predetermined pattern of electrodes sensing electrode layer, and the bottom surface of the upper polarizing plate is provided with an electrode having a predetermined pattern of the second touch sensing electrode layer, a touch object with said first electrode layer and a touch sensing of the second touch sensing electrode layer induced capacitive coupling.
2. 如权利要求1所述的具有电容式触控板的液晶显示面板结构,其特征在于,所述第一触控感应电极层及所述第二触控感应电极层的电极图型分别包括有多个呈长条形的电极。 The liquid crystal having a capacitive touch panel as claimed in claim 1, said display panel structure, wherein the first touch sensing electrode layer and the second layer of touch sensing electrodes include an electrode pattern a plurality of elongated strip-shaped electrodes.
3. 如权利要求2所述的具有电容式触控板的液晶显示面板结构,其特征在于,所述第一触控感应电极层及所述第二触控感应电极层的每一个长条形的电极分别由多个呈六边形的几何轮廓形状的电极连接而形成。 The liquid crystal having a capacitive touch panel according to claim 2, wherein the display panel structure, characterized in that each of said elongated first touch sensing electrode layer and the second layer of touch sensing electrodes the electrodes are formed by a plurality of electrodes connected to a hexagonal geometric form of the contour shape.
CN2009200088784U 2009-03-13 2009-03-13 Liquid crystal display panel structure with capacitive touch pad CN201402357Y (en)

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CN103345319A (en) * 2013-07-05 2013-10-09 南昌欧菲光显示技术有限公司 Light polarization-light filtering module and touch display screen comprising same
CN103365478A (en) * 2013-04-16 2013-10-23 南昌欧菲光显示技术有限公司 Filter module and touch display screen using same
CN104063098A (en) * 2013-03-22 2014-09-24 群创光电股份有限公司 Touch-control type display device and manufacturing method thereof
US20150070605A1 (en) * 2013-09-10 2015-03-12 Tpk Touch Solutions Inc. Touch display and method for manufacturing the same

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CN104063098A (en) * 2013-03-22 2014-09-24 群创光电股份有限公司 Touch-control type display device and manufacturing method thereof
CN103365478A (en) * 2013-04-16 2013-10-23 南昌欧菲光显示技术有限公司 Filter module and touch display screen using same
CN103365478B (en) * 2013-04-16 2016-06-08 南昌欧菲显示科技有限公司 Optical filter module and use the touch display screen of this optical filter module
CN103345319A (en) * 2013-07-05 2013-10-09 南昌欧菲光显示技术有限公司 Light polarization-light filtering module and touch display screen comprising same
CN103345319B (en) * 2013-07-05 2016-08-24 南昌欧菲光显示技术有限公司 Polarisation-filtration module and use the touch display screen of this polarisation-filtration module
US20150070605A1 (en) * 2013-09-10 2015-03-12 Tpk Touch Solutions Inc. Touch display and method for manufacturing the same
CN104423677A (en) * 2013-09-10 2015-03-18 宸鸿光电科技股份有限公司 Touch control display and manufacturing method thereof
US9535524B2 (en) * 2013-09-10 2017-01-03 Tpk Touch Solutions Inc. Touch display comprising a polarizer with integrated nano-silver touch electrodes and method for manufacturing the same
CN104423677B (en) * 2013-09-10 2019-01-22 宸鸿光电科技股份有限公司 Touch control display and preparation method thereof

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