WO2017004846A1 - 具有触控功能的液晶显示器及其导电层结构 - Google Patents
具有触控功能的液晶显示器及其导电层结构 Download PDFInfo
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- G06F3/0412—Digitisers structurally integrated in a display
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- G06F3/0443—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a single layer of sensing electrodes
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- G06F3/0448—Details of the electrode shape, e.g. for enhancing the detection of touches, for generating specific electric field shapes, for enhancing display quality
Definitions
- the present invention relates to the field of touch screen technologies, and in particular, to a conductive layer structure and a liquid crystal display having a touch function.
- a liquid crystal display integrated with a touch function and a display function is increasingly popular, and an In-cell technology in which a capacitive touch function is embedded in a pixel of a liquid crystal display panel is used to facilitate thinning and weight reduction of the liquid crystal display panel.
- the characteristics are becoming the development trend in this field.
- the conductive layer structure of the liquid crystal display panel using the in-cell technology is composed only of a plurality of identical rectangular touch electrode patterns, that is, a full in-cell conductive layer structure in the conventional sense, when the finger slides on the peripheral edge of the touch screen.
- the capacitance between the electrode patterns in the edge region varies greatly, and the change in capacitance from the touch point to the other touch point is largely different from the linear change, and the sliding trajectory of the finger cannot be effectively determined, and the touch precision of the edge region is not determined. Poor.
- the embodiment of the invention provides a liquid crystal display with a touch function and a conductive layer structure thereof to improve the touch precision of the edge region of the liquid crystal display.
- An embodiment of the present invention provides a conductive layer structure including a plurality of first electrode patterns and a plurality of rectangular second electrode patterns, wherein the plurality of second electrode patterns are arranged in a rectangular array, and the plurality of first electrode patterns surround the plurality of a circumference of the second electrode pattern, wherein the plurality of second electrode patterns arranged in a rectangular array are provided with two rows of first electrode patterns in a row direction, and are respectively located above and below the plurality of second electrode patterns, and are arranged in the column direction There are two rows of first electrode patterns respectively located on the left and right sides of the plurality of second electrode patterns, each of the first electrode patterns includes a first sub-electrode pattern and a second sub-electrode pattern, and the first sub-electrode pattern is adjacent to the second The first side of the sub-electrode pattern and the second side of the second sub-electrode pattern are respectively disposed adjacent to the second side of the first sub-electrode pattern, and the first side and the second side are engaged,
- Another embodiment of the present invention provides a conductive layer structure including a plurality of first electrode patterns and a plurality of rectangular second electrode patterns, wherein the plurality of second electrode patterns are arranged in a rectangular array, and the plurality of first electrode patterns are surrounded by a plurality of Each of the first electrode patterns and each of the second electrode patterns are equal in length and width, wherein each of the first electrode patterns includes a first sub-electrode pattern and a second sub-electrode pattern.
- the first sub-electrode pattern is adjacent to the first side of the second sub-electrode pattern and the second sub-electrode pattern is adjacent to the second side of the first sub-electrode pattern respectively provided with a right-angled structure, and the first side and the second side are meshed
- the first sub-electrode pattern and the second sub-electrode pattern are arranged in a rectangular shape.
- each of the first electrode patterns and each of the second electrode patterns are equal.
- the first sub-electrode pattern and the second sub-electrode pattern are both “L”-type structures.
- the first sub-electrode pattern is an "E"-type structure
- the side of the first sub-electrode pattern includes two notches having a right-angled structure
- the sides of the second sub-electrode pattern include and the two notches Two projections that are engaged.
- the distance between the first electrode pattern and the adjacent second electrode pattern and the distance between the first sub-electrode pattern and the second sub-electrode pattern are equal.
- the plurality of second electrode patterns arranged in a rectangular array are provided with two rows of first electrode patterns in the row direction, and are respectively located above and below the plurality of second electrode patterns, and two columns of first electrode patterns are disposed in the column direction. And located on the left and right sides of the plurality of second electrode patterns, respectively.
- the first electrode pattern located in the row direction is rotated 90° to the left or right and is the same as the first electrode pattern located in the column direction.
- the two rows of first electrode patterns in the column direction are symmetrical along the first axis
- the two rows of first electrode patterns in the row direction are symmetrical along the second axis
- the first axis and the second axis are respectively arranged in a rectangular array.
- the second electrode pattern has a central axis in the column direction and the row direction.
- the two rows of the first electrode patterns located in the column direction are the same, and the two rows of the first electrode patterns located in the row direction are the same.
- a liquid crystal display having a touch function including a display component and a touch component, wherein the display component and the touch component share a common electrode, and the touch component includes a conductive layer structure disposed opposite to the common electrode.
- the conductive layer structure includes a plurality of first electrode patterns and a plurality of rectangular second electrode patterns, the plurality of second electrode patterns are arranged in a rectangular array, and the plurality of first electrode patterns surround the periphery of the plurality of second electrode patterns Where each first electrode pattern a first sub-electrode pattern and a second sub-electrode pattern are disposed, the first sub-electrode pattern is adjacent to the first side of the second sub-electrode pattern, and the second sub-electrode pattern is disposed adjacent to the second side of the first sub-electrode pattern There is a right angle structure, and the first side and the second side are engaged, so that the first sub-electrode pattern and the second sub-electrode pattern are arranged in
- each of the first electrode patterns and each of the second electrode patterns are equal.
- the first sub-electrode pattern and the second sub-electrode pattern are both “L”-type structures.
- the first sub-electrode pattern is an "E"-type structure
- the side of the first sub-electrode pattern includes two notches having a right-angled structure
- the sides of the second sub-electrode pattern include and the two notches Two projections that are engaged.
- the distance between the first electrode pattern and the adjacent second electrode pattern and the distance between the first sub-electrode pattern and the second sub-electrode pattern are equal.
- the plurality of second electrode patterns arranged in a rectangular array are provided with two rows of first electrode patterns in the row direction, and are respectively located above and below the plurality of second electrode patterns, and two columns of first electrode patterns are disposed in the column direction. And located on the left and right sides of the plurality of second electrode patterns, respectively.
- the first electrode pattern located in the row direction is rotated 90° to the left or right and is the same as the first electrode pattern located in the column direction.
- the two rows of first electrode patterns in the column direction are symmetrical along the first axis
- the two rows of first electrode patterns in the row direction are symmetrical along the second axis
- the first axis and the second axis are respectively arranged in a rectangular array.
- the second electrode pattern has a central axis in the column direction and the row direction.
- the two rows of the first electrode patterns located in the column direction are the same, and the two rows of the first electrode patterns located in the row direction are the same.
- the liquid crystal display with touch function and the structure of the conductive layer of the embodiment of the present invention are designed such that one electrode pattern located in the peripheral edge region includes two sub-electrode patterns, and the adjacent sides of the two sub-electrode patterns are respectively provided with right-angle structures, which are equivalent
- the contact area between the electrode patterns is increased in one sensing unit, and when the finger slides on the peripheral edge area of the touch screen, the capacitance change between the electrode patterns in the edge area is small, sliding from one touch point to another touch
- the change in capacitance of the point conforms to a linear change, and it is possible to accurately determine the sliding trajectory of the finger.
- FIG. 1 is a schematic structural view of an embodiment of a conductive layer structure of the present invention.
- FIG. 2 is a schematic view showing a first working principle of a conductive layer structure according to an embodiment of the present invention
- FIG. 3 is a schematic view showing a second working principle of a conductive layer structure according to an embodiment of the present invention.
- FIG. 4 is a schematic view showing the structure of another embodiment of the first electrode pattern of the present invention.
- a conductive layer structure 10 of an embodiment of the present invention is disposed on a surface of a substrate made of glass or a thin film material, and includes a plurality of first electrode patterns P x and a plurality of rectangular second electrode patterns P y .
- each of the first electrode patterns P x includes a first sub-electrode pattern P x1 and a second sub-electrode pattern P x2 , and the first sub-electrode pattern P x1 is adjacent to the second sub-electrode pattern P x2
- One side edge X is provided with a right angle structure
- the second side electrode pattern P x2 is also disposed adjacent to the second side edge Y of the first sub-electrode pattern P x1 with a right-angled structure, and the first side edge X and the second side edge Y are meshed
- the first electrode patterns P x formed by the cooperation of the first sub-electrode pattern P x1 and the second sub-electrode pattern P x2 are arranged in
- the first sub-electrode pattern P x1 and the second sub-electrode pattern P x2 are both “L”-type structures, that is, each of the first electrode patterns P x1 has six sides L x1 , L x2 , L x3 , L x4 , L x5 , L x6 , each of the second sub-electrode patterns P x2 also has six sides L y1 , L y2 , L y3 , L y4 L y5 , L y6 , and the sides L x4 , L x5 , L x6 form the first side Side X, side L x4 and side L x5 and side L x5 and side L x6 form two right-angled structures of the first side X, respectively, sides L y4 , L y5 , L y6 second side Y, side L y4 and The side L y5 and the side L y5 and the side L y6
- the length of each of the first electrode patterns P x is equal to the length of the side L x2
- the width of each of the first electrode patterns P x is equal to the length of the sides L x1 , L y3 and two The sum of the distances between the people.
- the length of each of the first electrode patterns P x may be further equal to the length of each of the second electrode patterns P y
- the width of each of the first electrode patterns P x is equal to the width of each of the second electrode patterns P y .
- the distance between the first electrode pattern P x and the adjacent second electrode pattern P y and the distance between the first sub-electrode pattern P x1 and the second sub-electrode pattern P x2 are equal.
- the plurality of second electrode patterns P y arranged in a rectangular array are provided with only two rows of first electrode patterns P x in the row direction, and are respectively located in the plurality of rows arranged in a rectangular array.
- above and below the second electrode pattern P y were provided two first electrode patterns P x a column direction of the plurality of second electrode patterns arranged in a rectangular array of P y, and located the rectangular array
- the first electrode pattern P x located above is rotated 90° to the right
- the first electrode pattern P x located below the first electrode pattern P x is rotated 90 degrees to the left, similar to the first electrode pattern P x located on the right side.
- the first electrode pattern P x located on the left side is the same, and the two columns of the first electrode patterns P x located in the column direction are symmetrical along the first axis A, and two rows in the row direction
- the first electrode pattern P x is symmetrical along a second axis B, and the first axis A and the second axis B are respectively arranged in a rectangular array, and the plurality of second electrode patterns P y are in the column direction and The central axis in the row direction.
- the two columns of first electrode patterns P x located in the column direction may be the same, and the two rows of first electrode patterns P x located in the row direction are the same.
- the plurality of first electrode patterns P x and the plurality of second electrode patterns P y of the embodiment are made of a transparent conductive material such as ITO (Indium Tin Oxide), and a first sub-electrode pattern P x1 and one One first electrode pattern P x composed of the second sub-electrode pattern P x2 serves as one sensing unit of the conductive layer structure 10 (touch screen), and each of the second electrode patterns P y serves as the conductive layer structure 10 (touch screen) A sensing unit. Further, the plurality of first electrode patterns P x located around the periphery correspond to the peripheral edges of the touch screen.
- the first electrode pattern and second electrode patterns P x P y respectively constituting the earth ground from the capacitor C 1.
- a capacitance C 2 a capacitance C 2 and a capacitance C are formed between the finger 21 and the first electrode pattern P x or the second electrode pattern P y .
- a parallel circuit as shown in FIG. 3 is formed such that the capacitance of the corresponding sensing unit is increased.
- the first electrode pattern P x of the embodiment is equivalent to increasing the contact area between the electrode patterns in one sensing unit.
- the capacitance change between the electrode patterns in the edge region is higher. Small, the change in capacitance from one touch point to another touches the linear change, and the sliding trajectory of the finger 21 can be accurately determined.
- the first electrode pattern P x of the conductive layer structure 10 may have other structures.
- the first sub-electrode pattern P x1 may have an “E”-type structure.
- the first side X of the first sub-electrode pattern P x1 includes two notches having a right-angled structure
- the second side Y of the second sub-electrode pattern P x2 includes two having two notches engaged with the two notches.
- the protrusions, the first side X and the second side Y are engaged, such that the first sub-electrode pattern P x1 and the second sub-electrode pattern P x2 are arranged in a rectangular shape.
- the present invention further provides a liquid crystal display having a touch function, including a display component and a touch component, wherein the display component and the touch component share a common electrode, and the touch component includes the conductive layer disposed opposite to the common electrode Layer structure 10.
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Abstract
一种具有触控功能的液晶显示器及其导电层结构。该导电层结构的多个第一电极图案(Px)环绕多个第二电极图案(Py)的四周,每一第一电极图案(Px)包括一第一子电极图案(Px 1)和一第二子电极图案(Px 2),第一子电极图案(Px 1)临近第二子电极图案(Px 2)的第一侧边(X)以及第二子电极图案(Px 2)临近第一子电极图案(Px 1)的第二侧边(Y)分别设置有直角结构,第一侧边(X)和第二侧边(Y)相啮合,使得第一子电极图案(Px 1)和第二子电极图案(Px 2)配合呈矩形设置。能够提高自电容触摸面板的边缘区域的触控精度。
Description
本发明涉及触摸屏技术领域,具体而言涉及一种导电层结构以及具有该导电层结构的具有触控功能的液晶显示器。
当前,触控功能与显示功能一体化的液晶显示器日渐盛行,其中将电容式触摸功能嵌入到液晶显示面板的像素中的In-cell技术,以其利于实现液晶显示面板的薄型化和轻量化的特点,更是成为本领域的发展趋势。采用in-cell技术的液晶显示面板的导电层结构仅由多个相同的呈矩形的触控电极图案组成,即传统意义上的full in-cell导电层结构,当手指在触摸屏的四周边缘滑动时,边缘区域的电极图案之间的电容量变化较大,从一个触摸点滑动到另一个触摸点的电容量变化与线性变化差异较大,无法有效判定手指的滑动轨迹,边缘区域的触控精度较差。
【发明内容】
有鉴于此,本发明实施例提供一种具有触控功能的液晶显示器及其导电层结构,以提高液晶显示器的边缘区域的触控精度。
本发明一实施例提供一种导电层结构,包括多个第一电极图案以及多个矩形的第二电极图案,多个第二电极图案呈矩形阵列排布,多个第一电极图案环绕多个第二电极图案的四周,其中,呈矩形阵列排布的多个第二电极图案的行方向上设置有两行第一电极图案,且分别位于多个第二电极图案的上下方,列方向上设置有两列第一电极图案,且分别位于多个第二电极图案的左右侧,每一第一电极图案包括一第一子电极图案和一第二子电极图案,第一子电极图案临近第二子电极图案的第一侧边以及第二子电极图案临近第一子电极图案的第二侧边分别设置有直角结构,第一侧边和第二侧边相啮合,使得第一子电极图案和第二子电极图案配合呈矩形设置,且第一电极图案与相邻的第二电极图案之间的距离和第一子电极图案与第二子电极图案之间的距离相等。
本发明另一实施例提供一种导电层结构,包括多个第一电极图案以及多个矩形的第二电极图案,多个第二电极图案呈矩形阵列排布,多个第一电极图案环绕多个第二电极图案的四周,每一第一电极图案和每一第二电极图案的长宽均相等,其中,每一第一电极图案包括一第一子电极图案和一第二子电极图案,第一子电极图案临近第二子电极图案的第一侧边以及第二子电极图案临近第一子电极图案的第二侧边分别设置有直角结构,第一侧边和第二侧边相啮合,使得第一子电极图案和第二子电极图案配合呈矩形设置。
其中,每一第一电极图案和每一第二电极图案的长宽均相等。
其中,第一子电极图案和第二子电极图案均为“L”型结构。
其中,第一子电极图案为“E”型结构,第一子电极图案的侧边包括具有直角结构的两个凹口,且第二子电极图案的侧边包括具有与所述两个凹口相啮合的两个凸起。
其中,第一电极图案与相邻的第二电极图案之间的距离和第一子电极图案与第二子电极图案之间的距离相等。
其中,呈矩形阵列排布的多个第二电极图案的行方向上设置有两行第一电极图案,且分别位于多个第二电极图案的上下方,列方向上设置有两列第一电极图案,且分别位于多个第二电极图案的左右侧。
其中,位于行方向上的第一电极图案向左或向右旋转90°与位于列方向上的第一电极图案相同。
其中,位于列方向上的两列第一电极图案沿第一轴线对称,且位于行方向上的两行第一电极图案沿第二轴线对称,第一轴线和第二轴线分别为呈矩形阵列排布的第二电极图案在列方向和行方向上的中轴线。
其中,位于所述列方向上的两列所述第一电极图案相同,且位于所述行方向上的两行所述第一电极图案相同。
本发明又一实施例提供一种具有触控功能的液晶显示器,包括显示组件和触控组件,其中,显示组件和触控组件共用公共电极,触控组件包括与公共电极相对设置的导电层结构,所述导电层结构包括多个第一电极图案以及多个矩形的第二电极图案,多个第二电极图案呈矩形阵列排布,多个第一电极图案环绕多个第二电极图案的四周,其中,每一第一电极图案
包括一第一子电极图案和一第二子电极图案,第一子电极图案临近第二子电极图案的第一侧边以及第二子电极图案临近第一子电极图案的第二侧边分别设置有直角结构,第一侧边和第二侧边相啮合,使得第一子电极图案和第二子电极图案配合呈矩形设置。
其中,每一第一电极图案和每一第二电极图案的长宽均相等。
其中,第一子电极图案和第二子电极图案均为“L”型结构。
其中,第一子电极图案为“E”型结构,第一子电极图案的侧边包括具有直角结构的两个凹口,且第二子电极图案的侧边包括具有与所述两个凹口相啮合的两个凸起。
其中,第一电极图案与相邻的第二电极图案之间的距离和第一子电极图案与第二子电极图案之间的距离相等。
其中,呈矩形阵列排布的多个第二电极图案的行方向上设置有两行第一电极图案,且分别位于多个第二电极图案的上下方,列方向上设置有两列第一电极图案,且分别位于多个第二电极图案的左右侧。
其中,位于行方向上的第一电极图案向左或向右旋转90°与位于列方向上的第一电极图案相同。
其中,位于列方向上的两列第一电极图案沿第一轴线对称,且位于行方向上的两行第一电极图案沿第二轴线对称,第一轴线和第二轴线分别为呈矩形阵列排布的第二电极图案在列方向和行方向上的中轴线。
其中,位于所述列方向上的两列所述第一电极图案相同,且位于所述行方向上的两行所述第一电极图案相同。
本发明实施例的具有触控功能的液晶显示器及其导电层结构,设计位于四周边缘区域的一个电极图案包括两个子电极图案,且两个子电极图案相邻的侧边分别设置有直角结构,相当于在一个感应单元内增加了电极图案之间的接触面积,当手指在触摸屏的四周边缘区域滑动时,边缘区域的电极图案之间的电容量变化较小,从一个触摸点滑动到另一个触摸点的电容量变化符合线性变化,能够精确判定手指的滑动轨迹。
图1是本发明的导电层结构一实施例的结构示意图;
图2是本发明实施例的导电层结构的第一工作原理示意图;
图3是本发明实施例的导电层结构的第二工作原理示意图;
图4是本发明的第一电极图案另一实施例的结构示意图。
下面将结合本发明实施例中的附图,对本发明所提供的示例性的实施例的技术方案进行清楚、完整地描述。
请参阅图1所示,本发明实施例的导电层结构10设置于由玻璃或薄膜材料制成的基板的表面,包括多个第一电极图案Px以及多个矩形的第二电极图案Py(不限于图中所示的四个),其中,多个第二电极图案Py呈矩形阵列排布,多个第一电极图案Px环绕所述呈矩形阵列排布的多个第二电极图案Py的四周,每一个第一电极图案Px包括一个第一子电极图案Px1和一个第二子电极图案Px2,第一子电极图案Px1临近第二子电极图案Px2的第一侧边X设置有直角结构,第二子电极图案Px2临近第一子电极图案Px1的第二侧边Y也设置有直角结构,并且第一侧边X和第二侧边Y相啮合,使得第一子电极图案Px1和第二子电极图案Px2配合形成的第一电极图案Px呈矩形设置。
其中,第一子电极图案Px1和第二子电极图案Px2均为“L”型结构,即,每一第一电极图案Px1具有六条边Lx1、Lx2、Lx3、Lx4、Lx5、Lx6,每一第二子电极图案Px2也具有六条边Ly1、Ly2、Ly3、Ly4Ly5、Ly6,并且边Lx4、Lx5、Lx6构成第一侧边X,边Lx4和边Lx5以及边Lx5和边Lx6分别构成第一侧边X的两个直角结构,边Ly4、Ly5、Ly6第二侧边Y,边Ly4和边Ly5以及边Ly5和边Ly6分别构成第一侧边Y的两个直角结构,边Lx4与边Ly6相邻,边Lx5与边Ly5相邻,边Lx6与边Ly4相邻。
基于此,在行方向上,每一第一电极图案Px的长度等于边Lx2的长度,在列方向上,每一第一电极图案Px的宽度等于边Lx1、Ly3的长度以及两者之间的距离之和。本实施例可以进一步设置每一第一电极图案Px的长度等于每一第二电极图案Py的长度,且每一第一电极图案Px的宽度等于每一第二电极图案Py的宽度。可选地,第一电极图案Px与相邻的第二电极图案Py之间的距离和第一子电极图案Px1与第二子电极图案Px2之间的距离相等。
在本实施例中,呈矩形阵列排布的所述多个第二电极图案Py的行方向上仅设置有两行第一电极图案Px,且分别位于所述呈矩形阵列排布的多个第二电极图案Py的上方和下方,呈矩形阵列排布的所述多个第二电极图案Py的列方向上设置有两列第一电极图案Px,且分别位于所述呈矩形阵列排布的多个第二电极图案Py的左侧和右侧。
其中,位于所述上方的第一电极图案Px向右旋转90°之后,与位于所述右侧的第一电极图案Px相同,位于所述下方的第一电极图案Px向左旋转90°之后,与位于所述左侧的第一电极图案Px相同,且位于所述列方向上的两列所述第一电极图案Px沿第一轴线A对称,且位于行方向上的两行第一电极图案Px沿第二轴线B对称,所述第一轴线A和所述第二轴线B分别为呈矩形阵列排布的所述多个第二电极图案Py在所述列方向和所述行方向上的中轴线。
当然,在本发明的其他实施例中,位于列方向上的两列第一电极图案Px可以相同,且位于行方向上的两行第一电极图案Px相同。
本实施例的多个第一电极图案Px和多个第二电极图案Py由ITO(Indium Tin Oxide,氧化铟锡)等透明导电材料制成,并且一个第一子电极图案Px1和一个第二子电极图案Px2构成的一个第一电极图案Px作为所述导电层结构10(触摸屏)的一个感应单元,每个第二电极图案Py作为所述导电层结构10(触摸屏)的一个感应单元。并且,位于四周的多个第一电极图案Px相当于位于触摸屏的四周边缘。
请进一步结合图2所示,第一电极图案Px和第二电极图案Py分别与大地构成对地的自电容C1。当手指21触摸到触摸屏的盖板22时,由于人体可以等效为大地,手指21与第一电极图案Px或第二电极图案Py之间形成一个电容C2,电容C2与电容C1形成如图3所示的并联电路使得对应的感应单元的电容量增加。基于此,通过检测每个感应单元的电容变化即可判断是否产生触摸事件,并且通过第一电极图案Px和第二电极图案Py在触摸屏上的坐标信息即可判定触摸点的位置。
本实施例的第一电极图案Px相当于在一个感应单元内增加了电极图案之间的接触面积,当手指21在触摸屏的四周边缘滑动时,边缘区域的电极图案之间的电容量变化较小,从一个触摸点滑动到另一个触摸点的电容量
变化符合线性变化,能够精确判定手指21的滑动轨迹。
在此发明目的基础上,本发明实施例还可以设置导电层结构10的第一电极图案Px具有其他结构,例如图4所示,第一子电极图案Px1为可以“E”型结构,第一子电极图案Px1的第一侧边X包括具有直角结构的两个凹口,此时第二子电极图案Px2的第二侧边Y包括具有与两个凹口相啮合的两个凸起,第一侧边X和第二侧边Y相啮合,使得第一子电极图案Px1和第二子电极图案Px2配合呈矩形设置。
本发明还提供一种具有触控功能的液晶显示器,包括显示组件和触控组件,其中,显示组件和触控组件共用公共电极,所述触控组件包括与所述公共电极相对设置的上述导电层结构10。
在此基础上,以上所述仅为本发明的实施例,并非因此限制本发明的专利范围,凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换,例如各实施例之间技术特征的相互结合,或直接或间接运用在其他相关的技术领域,均同理包括在本发明的专利保护范围内。
Claims (19)
- 一种导电层结构,其中,所述导电层结构包括多个第一电极图案以及多个矩形的第二电极图案,所述多个第二电极图案呈矩形阵列排布,所述多个第一电极图案环绕所述多个第二电极图案的四周,呈矩形阵列排布的所述多个第二电极图案的行方向上设置有两行所述第一电极图案,且分别位于所述多个第二电极图案的上方和下方,列方向上设置有两列所述第一电极图案,且分别位于所述多个第二电极图案的左侧和右侧,每一所述第一电极图案和每一所述第二电极图案的长度和宽度均相等,其中,每一所述第一电极图案包括一第一子电极图案和一第二子电极图案,所述第一子电极图案临近所述第二子电极图案的第一侧边以及所述第二子电极图案临近所述第一子电极图案的第二侧边分别设置有直角结构,所述第一侧边和所述第二侧边相啮合,使得所述第一子电极图案和所述第二子电极图案配合呈矩形设置,且所述第一电极图案与相邻的所述第二电极图案之间的距离和所述第一子电极图案与所述第二子电极图案之间的距离相等。
- 一种导电层结构,其中,所述导电层结构包括多个第一电极图案以及多个矩形的第二电极图案,所述多个第二电极图案呈矩形阵列排布,所述多个第一电极图案环绕所述多个第二电极图案的四周,其中,每一所述第一电极图案包括一第一子电极图案和一第二子电极图案,所述第一子电极图案临近所述第二子电极图案的第一侧边以及所述第二子电极图案临近所述第一子电极图案的第二侧边分别设置有直角结构,所述第一侧边和所述第二侧边相啮合,使得所述第一子电极图案和所述第二子电极图案配合呈矩形设置。
- 根据权利要求2所述的导电层结构,其中,每一所述第一电极图案和每一所述第二电极图案的长度和宽度均相等。
- 根据权利要求3所述的导电层结构,其中,所述第一子电极图案和所述第二子电极图案均为“L”型结构。
- 根据权利要求3所述的导电层结构,其中,所述第一子电极图案为“E”型结构,所述第一子电极图案的所述侧边包括具有所述直角结构的两个凹口,且所述第二子电极图案的所述侧边包括具有与两个所述凹口相啮 合的两个凸起。
- 根据权利要求2所述的导电层结构,其中,所述第一电极图案与相邻的所述第二电极图案之间的距离和所述第一子电极图案与所述第二子电极图案之间的距离相等。
- 根据权利要求2所述的导电层结构,其中,呈矩形阵列排布的所述多个第二电极图案的行方向上设置有两行所述第一电极图案,且分别位于所述多个第二电极图案的上方和下方,列方向上设置有两列所述第一电极图案,且分别位于所述多个第二电极图案的左侧和右侧。
- 根据权利要求7所述的导电层结构,其中,位于所述行方向上的所述第一电极图案向左或向右旋转90°与位于所述列方向上的所述第一电极图案相同。
- 根据权利要求8所述的导电层结构,其中,位于所述列方向上的两列所述第一电极图案沿第一轴线对称,且位于所述行方向上的两行所述第一电极图案沿第二轴线对称,所述第一轴线和所述第二轴线分别为呈矩形阵列排布的所述多个第二电极图案在所述列方向和所述行方向上的中轴线。
- 根据权利要求8所述的导电层结构,其中,位于所述列方向上的两列所述第一电极图案相同,且位于所述行方向上的两行所述第一电极图案相同。
- 一种具有触控功能的液晶显示器,其中,所述液晶显示器包括显示组件和触控组件,其中,所述显示组件和所述触控组件共用公共电极,所述触控组件包括与所述公共电极相对设置的导电层结构,所述导电层结构包括多个第一电极图案以及多个矩形的第二电极图案,所述多个第二电极图案呈矩形阵列排布,所述多个第一电极图案环绕所述多个第二电极图案的四周,其中,每一所述第一电极图案包括一第一子电极图案和一第二子电极图案,所述第一子电极图案临近所述第二子电极图案的第一侧边以及所述第二子电极图案临近所述第一子电极图案的第二侧边分别设置有直角结构,所述第一侧边和所述第二侧边相啮合,使得所述第一子电极图案和所述第二子电极图案配合呈矩形设置。
- 根据权利要求11所述的液晶显示器,其中,每一所述第一电极图案和每一所述第二电极图案的长度和宽度均相等。
- 根据权利要求12所述的液晶显示器,其中,所述第一子电极图案和所述第二子电极图案均为“L”型结构。
- 根据权利要求12所述的液晶显示器,其中,所述第一子电极图案为“E”型结构,所述第一子电极图案的所述侧边包括具有所述直角结构的两个凹口,且所述第二子电极图案的所述侧边包括具有与两个所述凹口相啮合的两个凸起。
- 根据权利要求1所述的液晶显示器,其中,所述第一电极图案与相邻的所述第二电极图案之间的距离和所述第一子电极图案与所述第二子电极图案之间的距离相等。
- 根据权利要求11所述的液晶显示器,其中,呈矩形阵列排布的所述多个第二电极图案的行方向上设置有两行所述第一电极图案,且分别位于所述多个第二电极图案的上方和下方,列方向上设置有两列所述第一电极图案,且分别位于所述多个第二电极图案的左侧和右侧。
- 根据权利要求16所述的液晶显示器,其中,位于所述行方向上的所述第一电极图案向左或向右旋转90°与位于所述列方向上的所述第一电极图案相同。
- 根据权利要求17所述的液晶显示器,其中,位于所述列方向上的两列所述第一电极图案沿第一轴线对称,且位于所述行方向上的两行所述第一电极图案沿第二轴线对称,所述第一轴线和所述第二轴线分别为呈矩形阵列排布的所述多个第二电极图案在所述列方向和所述行方向上的中轴线。
- 根据权利要求17所述的液晶显示器,其中,位于所述列方向上的两列所述第一电极图案相同,且位于所述行方向上的两行所述第一电极图案相同。
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