WO2014183440A1 - 双视触控显示装置及其制备方法 - Google Patents

双视触控显示装置及其制备方法 Download PDF

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Publication number
WO2014183440A1
WO2014183440A1 PCT/CN2013/089893 CN2013089893W WO2014183440A1 WO 2014183440 A1 WO2014183440 A1 WO 2014183440A1 CN 2013089893 W CN2013089893 W CN 2013089893W WO 2014183440 A1 WO2014183440 A1 WO 2014183440A1
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Prior art keywords
touch
dual
display device
view
touch display
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Ceased
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English (en)
French (fr)
Inventor
李文波
周留刚
武乃福
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BOE Technology Group Co Ltd
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BOE Technology Group Co Ltd
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Priority to US14/342,161 priority Critical patent/US20150085203A1/en
Publication of WO2014183440A1 publication Critical patent/WO2014183440A1/zh
Anticipated expiration legal-status Critical
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Classifications

    • 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
    • G06F3/0445—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
    • A61B3/113—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for determining or recording eye movement
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/1323—Arrangements for providing a switchable viewing angle
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/13338—Input devices, e.g. touch panels
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133509—Filters, e.g. light shielding masks
    • G02F1/133512—Light shielding layers, e.g. black matrix
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133509—Filters, e.g. light shielding masks
    • G02F1/133514—Colour filters
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1343—Electrodes
    • G02F1/13439—Electrodes characterised by their electrical, optical, physical properties; materials therefor; method of making
    • 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
    • G06F3/0412—Digitisers structurally integrated in a display

Definitions

  • Embodiments of the present invention relate to a dual view touch display device and a method of fabricating the same. Background technique
  • Dual-view display means that the same display displays different images at different angles, that is, the user can see different images from different angles of the display, and can be applied to the vehicle display. For example, through the dual-view display, passengers in different seats in the car can see different images through the same display, so that each passenger does not need to provide a separate display, thus saving the cost of the display setting and reducing the vehicle. The occupation of the inner space.
  • a dual-view liquid crystal display structure includes: an array substrate 11, a liquid crystal layer 12, a color filter substrate 13, an isolation layer 14, and a grating 15.
  • the structure differs from the structure of the non-double-view liquid crystal panel mainly in that the dual-view liquid crystal display is viewed from the first viewing zone 16 and the second viewing zone 17, and the display effect of the dual viewing angle can be generated by the action of the grating 15, respectively.
  • a conventional touch device includes: a touch first electrode 21 including a plurality of mutually parallel metal lines; and a touch second electrode 22 including a plurality of mutually parallel metal lines;
  • the lead wires are connected to the touch control module, and the metal lines of the two touch electrodes are arranged in a cross, for example, perpendicular to each other, and are in different layers; wherein one touch electrode serves as a touch scan electrode, and the other touch electrode functions as a touch
  • the sensing electrode, the touch control module rotates and drives each of the metal wires in the touch scan electrode in a scanning manner, and measures whether a metal wire of the touch sensing electrode interleaved with the driven metal wire has a certain capacitance.
  • the change (that is, the change in the distance between the wires due to the touch) can be obtained by scanning one by one, and the exact contact position can be obtained, and multi-touch can be realized.
  • Embodiments of the present invention provide a dual-view touch device and a method of fabricating the same, which can realize the problem of the touch function without affecting the display effect and without increasing the manufacturing process.
  • the embodiment of the present invention provides a dual-view touch display device, including: a touch circuit; a grating, wherein the touch circuit includes: a touch first electrode, a touch second electrode, and a touch control module The touch first electrode and the touch second electrode are crossed and insulated from each other, and are respectively connected to the touch control module, and wherein the grating is made of a non-transparent conductive material and is synchronized with the touch first electrode. form.
  • an embodiment of the present invention provides a method for fabricating the dual-view touch display device, including the following steps: The grating and the touch first electrode are formed by one patterning process.
  • 1 is a structural view of a conventional two-view liquid crystal display
  • FIG. 2 is a schematic view showing a black matrix arrangement form of a conventional liquid crystal display
  • FIG. 3 is a schematic diagram of a touch first electrode and a touch second electrode of a conventional touch liquid crystal display
  • FIG. 4 is a touch first electrode and a touch second of the dual view touch display device according to Embodiment 1 of the present invention; Schematic diagram of the electrode;
  • FIG. 5 is a schematic diagram of a grating external device of a dual-view touch display device according to Embodiment 1 of the present invention
  • FIG. 6 is a schematic diagram of a grating built-in of a dual-view touch display device according to Embodiment 1 of the present invention
  • FIG. 8 is a schematic diagram of a touch signal control switching of another dual-view touch display device according to Embodiment 2 of the present invention.
  • FIG. 9 is a schematic diagram of a touch signal control switching of another dual-view touch display device according to Embodiment 2 of the present invention.
  • the present embodiment provides a dual-view touch display device, including: a touch circuit and a grating 15 , the touch circuit includes: a plurality of touch first electrodes 21 , a plurality of touch second electrodes 22 , and a touch control module; The touch first electrode 21 and the touch second electrode 22 are distributed to each other and connected to the touch control module; the grating 15 is made of a non-transparent conductive material and formed in synchronization with the touch first electrode 21 (that is, The grating 15 is also a touch first electrode 21).
  • the dual-view touch display device can cause two different images to be seen from two different angles by the action of the non-transparent grating 15, that is, the effect of generating double vision. Since the non-transparent grating 15 has opaque stripes arranged at intervals, the images seen from two different angles after the light passes through the grating 15 are also different.
  • the touch first electrode 21 and the touch second electrode 22 are arranged in a mutually intersecting manner, and the two touch electrodes are in different layers. At the intersection, a capacitance can be formed between the two touch electrodes; wherein one touch electrode functions as a touch
  • the scanning electrode is used as a touch sensing electrode, and the touch control module sequentially drives the touch scanning electrodes in a scanning manner, and the distance between the upper and lower electrodes is changed due to the touch, so the measurement and the driven are performed. Whether the touch sensing electrodes staggered by the touch scan electrodes have a change in the capacitance of a certain point, and one by one scan, the exact contact position can be obtained, and multi-touch can be realized.
  • the grating 15 made of a conductive material and the touch first electrode 21 are formed synchronously by a mask, that is, the gratings 15, 21 actually function as the grating 15 and the first electrode 21 at the same time (that is, It is said that it is not only the grating 15, but also the first electrode 21).
  • the structure is single, the manufacturing process is finished, the manufacturing cost is saved, and the yield and reliability of the dual-view touch display device are improved.
  • the dual-view touch display device is a liquid crystal dual-view touch display device, which includes a color filter substrate 13 including a substrate 131 and disposed on the substrate.
  • the black matrix 132, the grating 15 is disposed outside the color filter substrate; or the grating 15 is disposed between the substrate 131 of the color filter substrate 13 and the black matrix 132, and is separated from the black matrix 132 by the transparent adjustment layer 51.
  • the grating 15 is outside the color film substrate 13 (ie, the side away from the array substrate 11 and the liquid crystal layer 12)
  • the substrate 131 of the color filter substrate needs to be reduced.
  • the grating 15 is constructed of a ferrous material, although other non-transparent conductive materials are also possible.
  • the dual-view touch display device is a liquid crystal dual-view display device
  • the touch second electrode 22 and the black matrix 132 of the color filter substrate 13 are formed synchronously, that is, the black matrix 132 serves as the touch second electrode.
  • the role of 22, that is, even if it is the black matrix 132, is also the touch of the second electrode 22), which makes the process more tubular, and can also reduce the process cost.
  • the black matrix 132 is made of a ferrous metal material.
  • the black matrix 132 includes a first black matrix 1321 that simultaneously serves as the touch second electrode 22, and a second black matrix 1322 that is interleaved with the first black matrix.
  • the black matrix 132 is arranged in a cross-arranged manner in the prior art, and the arrangement may cause the first black matrix 1321 as the touch second electrode 22 in the black matrix 132 to intersect with each metal line. Short circuit phenomenon.
  • the arrangement of the first black matrix 1321 and the second black matrix 1322 as the touch second electrode 22 are disconnected, so that each of the first black matrix 1321 as the touch second electrode 22 can be avoided.
  • the metal wires are arranged in a cross arrangement to cause a short circuit.
  • the first electrode 21 is used as the touch sensing electrode, and the second electrode 22 is used as the touch scanning electrode.
  • the first electrode 21 is used as the touch scanning electrode, and the second electrode 22 is used as the touch.
  • the touch scan electrode and the touch sense electrode form a capacitive touch mode.
  • the embodiment of the present invention provides a dual-view touch display device, which is different from the structure of the device of the first embodiment.
  • the dual-view touch display device of the embodiment further includes a signal control switching module, a signal control switching module and a touch control module. Connected for switching the control of the first view surface 18 and the second view surface 19 by the touch control module.
  • This embodiment is the same as the basic principle of Embodiment 1, except that the signal switching control module is added.
  • the touch signal controls only one viewing surface at a time, such as the first viewing surface 18;
  • the touch signal controls the second viewing surface 19, and only the signal control switching module controls the second viewing surface by switching the signal, so that the control of the first viewing surface 18 and the second viewing surface 19 by the touch signal is completed.
  • Switch. The signal switching control module makes the entire touch system more complete, avoiding the interaction between the first viewing surface and the second viewing surface when the signal control is switched.
  • the signal control switching module includes a camera eye tracking unit and a position determining unit, or a toggle button.
  • the signal control switching module includes a camera eye-brain tracking unit and a position determining unit
  • the user's eyes or head can be tracked by the camera and the position determining unit determines that the user's position is at the first viewing surface 18 It is also the second viewing surface 19, so that the output switching signal switches the control of the first viewing surface 18 and the second viewing surface 19 by the touch signal according to the position of the user.
  • the switching signal may be high or low.
  • the switching signal When the position of the user is at the first viewing surface 18, the switching signal is high, and when the position of the user is at the second viewing surface 19, the switching signal is Low level, when the switching signal changes from high level to low level or from low level to high level, the touch signal will be changed from controlling the first view surface 18 to controlling the second view surface 19 or by the control
  • the two viewing surfaces 19 become the first viewing surface 18, so that the control of the two viewing surfaces by the touch input by the user can be intelligently and automatically switched.
  • a switching button may be included in the signal switching control module, and switching of control of the two views by the touch signal may be implemented by a switching operation of the user.
  • Example 3
  • the dual-view touch display device provides a method for preparing a dual-view touch display device.
  • the grating 15 is used in the method of the embodiment. Formed by a patterning process with the touch first electrode 21, the process step is simple and easy to implement.
  • the dual-view touch display device is a liquid crystal dual-view touch display device, which includes a color filter substrate, and the black matrix and the touch second electrode are formed by one patterning process. This can further cycle the process steps and save costs.

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Abstract

一种双视触控显示装置及其制备方法，双视触控显示装置包括触控电路和光栅（15）；触控电路包括触控第一电极（21）、触控第二电极（22）和触控控制模块；触控第一电极（21）与触控第二电极（22）彼此交叉且绝缘，且分别连接到触控控制模块，其中光栅（15）由非透明导电材料制成，并与触控第一电极（21）同步形成。

Description

双视触控显示装置及其制备方法 技术领域
本发明的实施例涉及一种双视触控显示装置及其制备方法。 背景技术
双视角显示是指同一显示器在不同角度显示不同的影像， 也就是说， 使 用者可以从显示屏的不同角度看到不同的影像， 可应用在车用显示器上。 举 例来说， 通过双视角显示器， 可使车内不同座位的乘客通过同一部显示器分 别看到不同的影像， 这样不需要对每位乘客提供各自的显示器， 因此可节省 显示器设置的成本以及减少车内空间的占用。
如图 1所示， 一种双视角液晶显示器的结构包括： 阵列基板 11、 液晶层 12、 彩膜基板 13、 隔离层 14以及光栅 15。 此结构与非双视角液晶面板的结 构不同之处主要在于， 从第一视区 16和第二视区 17看双视角液晶显示器， 通过光栅 15的作用可以产生双视角的显示效果， 分别看到第一视面 19和第 二视面 18, 因为光栅 15采用非透明材料， 不透明部分将部分图像遮挡住， 所以在两个不同的角度可以得到两个不同的图像。
触控装置在各种电子装置上得到广泛的应用。 如图 3所示， 一种常规触 控装置包括： 包括多条相互平行的金属线的触控第一电极 21、 包括多条相互 平行的金属线的触控第二电极 22; 各金属线通过引线与触控控制模块相连， 两触控电极的金属线交叉排列， 例如， 相互垂直， 且处于不同的层中； 其中， 一个触控电极充当触控扫描电极， 另一触控电极充当触控感应电极， 触控控 制模块以扫描的方式轮流驱动触控扫描电极中的各条金属线， 并量测与被驱 动的金属线交错的触控感应电极的各金属线是否有某点的电容发生变化（即 因触控导致金属线间距离的变化）， 经逐一扫描， 即可获得确切的触点位置， 并能实现多点触控。
但是要在双视面实现触控， 同时不增加制作步骤， 使显示装置的显示效 果不受影响， 目前还很难实现。 发明内容
本发明的实施例提供一种双视触控装置及其制备方法， 能够在不影响显 示效果且不增加制作工艺的情况下实现触控功能的问题。
一方面， 本发明的实施例提供一种双视触控显示装置， 包括： 触控电路; 光栅， 其中所述触控电路包括： 触控第一电极、 触控第二电极、 触控控制模 块所述触控第一电极与触控第二电极彼此交叉且绝缘， 且分别连接到触控控 制模块， 并且其中所述光栅由非透明导电材料制成， 并与所述触控第一电极 同步形成。
另一方面，本发明的实施例提供一种上述双视触控显示装置的制备方法， 包括如下步骤： 所述光栅与触控第一电极通过一次构图工艺形成。 附图说明
为了更清楚地说明本发明实施例的技术方案， 下面将对实施例的附图作 筒单地介绍，显而易见地，下面描述中的附图仅仅涉及本发明的一些实施例， 而非对本发明的限制。
图 1为现有的双视角液晶显示器的结构图；
图 2为现有的液晶显示器的黑矩阵排列形式的示意图；
图 3为现有的触控液晶显示器的触控第一电极和触控第二电极示意图； 图 4为本发明实施例 1的双视触控显示装置的触控第一电极和触控第二 电极的示意图；
图 5为本发明的实施例 1的双视触控显示装置的光栅外置的示意图； 图 6为本发明的实施例 1的双视触控显示装置的光栅内置的示意图； 图 7为本发明的实施例 1的双视触控显示装置的黑矩阵排列形式的示意 图；
图 8为本发明的实施例 2的另一双视触控显示装置的触控信号控制切换 原理图； 以及
图 9为本发明的实施例 2的另一双视触控显示装置的触控信号控制切换 原理图。 具体实施方式 为使本发明实施例的目的、 技术方案和优点更加清楚， 下面将结合本发 明实施例的附图，对本发明实施例的技术方案进行清楚、 完整地描述。显然， 所描述的实施例是本发明的一部分实施例， 而不是全部的实施例。 基于所描 述的本发明的实施例， 本领域普通技术人员在无需创造性劳动的前提下所获 得的所有其他实施例， 都属于本发明保护的范围。
为使本领域技术人员更好地理解本发明的技术方案， 下面结合附图和具 体实施方式对本发明的实施例作进一步详细描述。 实施例 1
本实施例提供一种双视触控显示装置， 包括： 触控电路、 光栅 15 , 触控 电路包括： 多个触控第一电极 21、 多个触控第二电极 22、 触控控制模块； 触 控第一电极 21与触控第二电极 22彼此交叉分布， 且接到触控控制模块上； 光栅 15由非透明导电材料制成， 并与触控第一电极 21同步形成（也就是说 光栅 15同时也是触控第一电极 21 )。
下面具体说明该双视触控显示装置的工作过程。
结合图 2所示，该双视触控显示装置通过非透明光栅 15的作用可以使人 们从两个不同的角度可以看到两个不同的画面， 即产生双视的效果。 因为该 非透明光栅 15有间隔排列的不透明条纹， 所以光透过光栅 15后从两个不同 的角度看到的图像也是不一样的。
触控第一电极 21与触控第二电极 22彼此交叉排列， 且两触控电极处于 不同的层中， 在交叉处， 两触控电极间可形成电容； 其中， 一个触控电极充 当触控扫描电极， 另一触控电极充当触控感应电极， 触控控制模块以扫描的 方式轮流驱动各触控扫描电极， 因触控导致上下两层电极间距离的变化， 所 以量测与被驱动的触控扫描电极交错的触控感应电极是否有某点的电容发生 变化， 经逐一扫描， 即可获得确切的触点位置， 并能实现多点触控。
在本装置中， 导电材料制成的光栅 15和触控第一电极 21用一个掩模板 同步形成， 即光栅 15、 21实际上同时起到光栅 15和触控第一电极 21的作用 (也就是说其既是光栅 15, 也是触控第一电极 21 ) , 这样其结构筒单， 制作 工艺得到了筒化， 节省了制作成本， 同时提高双视触控显示装置的良率和可 靠性。 示例性地， 如图 4、 图 5所示， 双视触控显示装置为液晶双视触控显示 装置， 其包括彩膜基板 13 , 该彩膜基板 13包括基底 131和设置在所述基底 上的黑矩阵 132, 所述光栅 15设置在彩膜基板外侧； 或者光栅 15设置在彩 膜基板 13的基底 131与黑矩阵 132之间，并通过透明调节层 51与黑矩阵 132 隔开。 当光栅 15处于彩膜基板 13外侧（即远离阵列基板 11和液晶层 12的 一侧 )时，根据情况如果黑矩阵 132层与光栅 15间的距离过小， 需将彩膜基 板的基底 131减薄处理， 并设置隔离层 14; 当将光栅 15设于基底 131与黑 矩阵 132之间， 在黑矩阵 132与光栅 15之间设置透明调节层 51 , 这两种情 况都是为了使在黑矩阵 132与光栅 15之间保持一定的距离，这样保证双视画 面的显示。
示例性地，光栅 15由黑色金属材料构成， 当然其他非透明的导电材料也 是可以的。
示例性地， 当双视触控显示装置为液晶双视触控显示装置时， 触控第二 电极 22和彩膜基板 13的黑矩阵 132同步形成， 即黑矩阵 132同时充当触控 第二电极 22的作用， （也就是说其即使黑矩阵 132,也是触控第二电极 22 ) , 这样使得工艺更加筒化， 也可以降低工艺成本。
进一步地， 黑矩阵 132采用黑色金属材料制成。
示例性地，如图 6所示，黑矩阵 132包括同时作为触控第二电极 22的第 一黑矩阵 1321 , 以及与第一黑矩阵交叉断开排列的第二黑矩阵 1322。 如图 2 所示， 现有技术中黑矩阵 132的排列方式为交叉排列的， 该排列方式会导致 黑矩阵 132中作为触控第二电极 22的第一黑矩阵 1321与各金属线因交叉发 生短路现象。本发明实施例的排列方式，使得作为触控第二电极 22的第一黑 矩阵 1321与第二黑矩阵 1322断开排列，从而可以避免作为触控第二电极 22 的第一黑矩阵 1321的各金属导线交叉排列而发生短路现象。
示例性地， 触控第一电极 21作为触控感应电极， 触控第二电极 22作为 触控扫描电极； 或者触控第一电极 21作为触控扫描电极， 触控第二电极 22 作为触控感应电极。 触控扫描电极和触控感应电极形成电容式触控模式。
示例性地， 触控第一电极 21与触控第二电极垂直排列 22。 实施例 2 本实施例提供一种双视触控显示装置， 与实施例 1装置的结构的区别在 于： 本实施例的双视触控显示装置还包括信号控制切换模块， 信号控制切换 模块与触控控制模块相连,用于切换所述触控控制模块对第一视面 18和第二 视面 19的控制。
下面具体说明该双视触控显示装置的工作过程。
本实施例与实施例 1的基本原理相同， 只是增加了信号切换控制模块， 如图 8所示， 触控信号某一时刻只控制一个视面， 如第一视面 18; 此时若要 使触控信号控制第二视面 19,只需信号控制切换模块通过切换信号使触控信 号来控制第二视面， 即可完成触控信号对第一视面 18和第二视面 19的控制 切换。 信号切换控制模块使得整个触控系统更加完整， 避免了信号控制切换 时， 第一视面和第二视面之间的互相影响。
示例性地， 信号控制切换模块包括摄像头眼脑跟踪单元以及位置判断单 元、 或切换按钮。 如图 9所示， 当信号控制切换模块包括摄像头眼脑跟踪单 元和位置判断单元时， 可通过摄像头跟踪使用者的眼睛或头部并采用位置判 断单元判断用户的位置是在第一视面 18还是第二视面 19, 从而输出切换信 号根据用户的位置来切换触控信号对第一视面 18和第二视面 19的控制。 示 例性地， 该切换信号可以是高或低电平， 当使用者的位置在第一视面 18时， 切换信号为高电平， 当使用者的位置在第二视面 19时， 切换信号为低电平， 当切换信号由高电平变为低电平或者由低电平变为高电平时， 触控信号将由 控制第一视面 18变为控制第二视面 19或者由控制第二视面 19变为控制第一 视面 18, 这样， 通过该方式可以智能自动的切换用户输入的触控对两个视面 的控制。
示例性地， 根据本发明的实施例可以在信号切换控制模块中包括切换按 钮， 可以通过用户的切换操作实现触控信号对两个视面的控制的切换。 实施例 3
本实施例根据实施例 1和实施例 2的双视触控显示装置提供了一种双视 触控显示装置的制备方法， 与现有的技术相比较本实施例的方法中， 所述光 栅 15与触控第一电极 21通过一次构图工艺形成， 该方法工艺步骤筒单， 容 易实现。 示例性地， 所述双视触控显示装置为液晶双视触控显示装置， 其包括彩 膜基板， 所述黑矩阵与触控第二电极通过一次构图工艺形成。 这样可以进一 步地筒化工艺步骤， 节约成本。
可以理解的是， 以上实施方式仅仅是为了说明本发明的原理而采用的示 例性实施方式， 然而本发明并不局限于此。 对于本领域内的普通技术人员而 言， 在不脱离本发明的精神和实质的情况下， 可以做出各种变型和改进， 这 些变型和改进也视为本发明的保护范围。

Claims

权利要求书
1. 一种双视触控显示装置， 包括：
触控电路；
光栅，
其中所述触控电路包括： 触控第一电极、 触控第二电极、 触控控制模块 所述触控第一电极与触控第二电极彼此交叉且绝缘， 且分别连接到触控控制 模块， 并且
其中所述光栅由非透明导电材料制成，并与所述触控第一电极同步形成。
2. 根据权利要求 1所述的双视触控显示装置，其中所述双视触控显示装 置显示第一视面和第二视面， 且还包括信号控制切换模块， 所述信号控制切 换模块与触控控制模块相连且用于切换所述触控控制模块对第一视面和第二 视面的控制。
3. 根据权利要求 2所述的双视触控显示装置，其中所述信号控制切换模 块包括摄像头眼脑跟踪单元以及位置判断单元或切换按钮。
4. 根据权利要求 1-3中任意一项所述的双视触控显示装置， 其中所述双 视触控显示装置为液晶双视触控显示装置， 其包括彩膜基板， 且所述光栅设 置在所述彩膜基板的出光侧。
5. 根据权利要求 1-3中任意一项所述的双视触控显示装置， 其中所述双 视触控显示装置为液晶双视触控显示装置， 其包括彩膜基板， 所述彩膜基板 包括基底以及设置在所述基底的出光侧的黑矩阵， 且所述光栅设置在所述彩 膜基板的基底与黑矩阵之间， 并在光栅和黑矩阵之间设有将两者隔开的透明 调节层。
6. 根据权利要求 4所述的双视触控显示装置，其中所述彩膜基板包括基 底及及设置在所述基底的出光侧的黑矩阵， 所述光栅与所述黑矩阵之间设置 有隔离层。
7. 根据权利要求 5或 6所述的双视触控显示装置，其中所述触控第二电 极和彩膜基板的黑矩阵同步形成， 所述黑矩阵由非透明导电材料制成。
8. 根据权利要求 7所述的双视触控显示装置，其中所述黑矩阵由黑色金 属材料制成。
9. 根据权利要求 7或 8所述的双视触控显示装置，其中所述黑矩阵包括 同时作为所述触控第二电极的第一黑矩阵， 以及与第一黑矩阵交叉且断开排 列的第二黑矩阵。
10.根据权利要求 1-9 中任意一项所述的双视触控显示装置， 其中所述 触控第一电极与触控第二电极相互垂直排列。
11. 根据权利要求 1-10 中任意一项所述的双视触控显示装置的制备方 法， 包括如下步骤：
所述光栅与触控第一电极通过一次构图工艺形成。
12.根据权利要求 11所述的双视触控显示装置的制备方法，所述双视触 控显示装置为液晶双视触控显示装置， 该液晶双视触控显示装置包括彩膜基 板， 该彩膜基板包括基底以及形成所述基底上的黑矩阵， 该制备方法还包括 如下步骤：
所述黑矩阵与触控第二电极通过一次构图工艺形成。
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