WO2014173000A1 - 可实现3d显示的触摸屏、显示装置及其制作方法 - Google Patents

可实现3d显示的触摸屏、显示装置及其制作方法 Download PDF

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Publication number
WO2014173000A1
WO2014173000A1 PCT/CN2013/078206 CN2013078206W WO2014173000A1 WO 2014173000 A1 WO2014173000 A1 WO 2014173000A1 CN 2013078206 W CN2013078206 W CN 2013078206W WO 2014173000 A1 WO2014173000 A1 WO 2014173000A1
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Prior art keywords
sensing electrode
substrate
layer
touch screen
electrode layer
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PCT/CN2013/078206
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English (en)
French (fr)
Inventor
龙君
刘俊国
吴昊
李�瑞
Original Assignee
北京京东方光电科技有限公司
京东方科技集团股份有限公司
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Application filed by 北京京东方光电科技有限公司, 京东方科技集团股份有限公司 filed Critical 北京京东方光电科技有限公司
Priority to US14/348,133 priority Critical patent/US9996200B2/en
Publication of WO2014173000A1 publication Critical patent/WO2014173000A1/zh

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Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0412Digitisers structurally integrated in a display
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0445Digitisers, 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
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0446Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30Image reproducers
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04103Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices

Definitions

  • Touch screen display device capable of realizing 3D display, and manufacturing method thereof
  • Embodiments of the present invention relate to a touch screen, a display device, and a method of fabricating the same that can implement 3D display. Background technique
  • stereoscopic display that is, 3D (three-dimensional-three-dimensional) display
  • 3D display technology can make the picture stereoscopically realistic.
  • the classification of 3D display technology is numerous, the most basic principle is similar. It is to make the left and right eyes receive different images with parallax respectively, and the information of different two-dimensional images is superimposed and regenerated by the brain to form a 3D stereoscopic image.
  • the 3D stereoscopic display technology is mainly divided into eye-eye type and eyeglass type.
  • the eyeglass-type 3D display requires special glasses, which makes its application range and comfort of use greatly reduced.
  • the existing eye-eye 3D display device is mainly composed of a display panel and a parallax barrier grating, wherein the parallax barrier grating comprises a plurality of grating units, and the parallax barrier grating is arranged in front of the display panel in a certain manner, and the parallax barrier grating is imaged. , can make people's eyes see different visual images, resulting in a three-dimensional feeling. Summary of the invention
  • Embodiments of the present invention provide a touch screen, a display device, and a method of fabricating the same that can realize 3D display, by which a display screen can be switched between 2D and 3D.
  • the embodiment of the present invention provides a touch screen capable of realizing 3D display, comprising: an upper substrate and a lower substrate formed by a box; and a liquid crystal filled between the upper substrate and the lower substrate, wherein the upper substrate comprises: An upper transparent substrate and a transparent conductive layer disposed on the upper transparent substrate, that is, a side of the upper transparent substrate opposite to the lower substrate; the lower substrate includes: a lower transparent substrate and sequentially disposed in the a first sensing electrode layer, an insulating layer, and a second sensing electrode layer on a lower transparent substrate, that is, a side of the lower transparent substrate opposite to the upper substrate, wherein the first sensing electrode layer Included in the plurality of first sensing electrodes, the second sensing electrode layer includes a plurality of second sensing electrodes crossing the first sensing electrodes, and the insulating layer is used to make the first sensing electrodes with The second sensing electrode is insulated to form a touch sensing capacitor lower substrate comprising: a lower transparent substrate; and a first sensing electrode
  • the transparent conductive layer is in the form of a flat plate or a strip.
  • the strip-shaped transparent conductive layer corresponds to a second sensing electrode position of the lower substrate.
  • the transparent conductive layer is provided with a plurality of protrusions at a position facing the second sensing electrode of the lower substrate.
  • the first sensing electrode and the second sensing electrode are strip electrodes.
  • the first sensing electrode and the second sensing electrode are perpendicular.
  • the upper substrate further includes an insulating layer, and the transparent conductive layer is disposed between the insulating layer and the upper transparent substrate.
  • the lower substrate further includes an alignment layer, and the first sensing electrode layer, the insulating layer and the second sensing electrode layer are sequentially disposed between the alignment layer and the lower transparent substrate.
  • a method for fabricating a touch panel includes: forming a transparent conductive layer on an upper transparent substrate to obtain an upper substrate; sequentially forming a first sensing electrode layer, an insulating layer, and a second pass on the lower transparent substrate Sense electrode layer, obtaining a lower substrate; aligning the upper substrate and the lower substrate, and filling the cell with liquid crystal to form the touch screen, wherein the side of the upper transparent substrate on which the transparent electrode layer is formed And a side of the lower transparent substrate on which the first sensing electrode layer, the insulating layer, and the second sensing electrode layer are formed.
  • the transparent conductive layer is formed on the upper transparent substrate, and the obtaining the upper substrate further comprises: providing an insulating layer on the transparent conductive layer of the upper transparent substrate.
  • the first sensing electrode layer, the insulating layer and the second sensing electrode layer are formed on the lower transparent substrate, and the obtaining the lower substrate further comprises: forming the first sensing electrode layer, the insulating layer and the second An alignment layer is disposed on the lower transparent substrate of the sensing electrode layer.
  • An embodiment of the present invention provides a display device, including a touch screen provided by any embodiment of the present invention.
  • a method for manufacturing a display device comprising: manufacturing a touch screen by the manufacturing method provided by the embodiment of the invention; and bonding the touch screen to the light exiting side of the display panel.
  • FIG. 1 is a top plan view of a portion of a touch screen having a 3D display function according to an embodiment of the present invention.
  • FIG. 2 is a cross-sectional view showing the structure of the touch screen of FIG. 1 taken along line A-A'.
  • the embodiment of the present invention provides a touch screen capable of realizing 3D display.
  • the method includes: an upper substrate 10 and a lower substrate 20 formed by a box, between the upper substrate 10 and the lower substrate 20 Filled with liquid crystal, wherein
  • the upper substrate 10 includes: an upper transparent substrate 11 and a transparent conductive layer 12 disposed on the upper transparent substrate 11, that is, a side of the upper transparent substrate 11 opposite to the lower substrate 10;
  • the lower substrate 20 includes: a lower transparent substrate 21 and a first sensing electrode layer and an insulating layer which are sequentially disposed on the lower transparent substrate 21, that is, on a side of the lower transparent substrate 21 opposite to the upper substrate 10. 23 and a second sensing electrode layer, wherein the first sensing electrode layer comprises a plurality of first sensing electrodes 22, and the second sensing electrode layer comprises a plurality of second sensing electrodes 24 crossing the first sensing electrodes
  • the insulating layer 23 is used to insulate the first sensing electrode 22 and the second sensing electrode 24 to form a touch sensing capacitor.
  • the upper substrate is a substrate that is closer to the human eye
  • the lower substrate is a substrate that is farther from the human eye.
  • the first sensing electrode and the second sensing electrode affect the light transmission amount
  • the closer the first sensing electrode and the second sensing electrode are to the light source or the display panel the larger the light transmission amount and the higher the display brightness.
  • the further the first sensing electrode and the second sensing electrode are from the light source or the display panel the smaller the light transmission amount and the lower the display brightness.
  • the sensing electrode and the second sensing electrode can be used for sensing positioning of the touched position to implement a touch function.
  • the display screen may slightly deform due to the pressing of the finger, and the capacitance between the transparent conductive layer and the second sensing electrode may change, thereby making the first sensing electrode
  • the capacitance of the second sensing electrode changes, the first sensing electrode and the second sensing electrode position the touch, and then the touch function is implemented by the external chip.
  • the touch screen is transparent, and 2D display can be realized;
  • the transparent conductive layer of the upper substrate is powered, the second transparent conductive layer and the lower substrate
  • the sensing electrode forms a vertical electric field, the area between the transparent conductive layer and the second sensing electrode forms an opaque area, and the area between the adjacent two second sensing electrodes is a light transmitting area, and the 3D touch screen A bright and dark streak is formed to achieve 3D display.
  • the display screen when the first sensing electrode and the second sensing electrode of the lower substrate of the touch panel are energized, and the transparent conductive layer of the upper substrate is not energized, the display screen can realize 2D display;
  • the first sensing electrode of the lower substrate and the transparent conductive layer of the second sensing electrode and the upper substrate are both energized to form an electric field between the transparent conductive layer and the second sensing electrode, and are located at the transparent conductive layer and the second sensing electrode
  • the area between the two forms an opaque area, and the area between the adjacent two second sensing electrodes is a light transmitting area, and the touch screen forms a bright and dark streak, which can realize 3D display.
  • the transparent conductive layer is in the form of a flat plate or a strip.
  • An electric field is formed between the transparent conductive layer and the second sensing electrode for controlling the liquid crystal to be opaque at a position opposite to the second conductive electrode to form a dark line, and the adjacent two second sensing electrodes are The light is transmitted to form a bright line, which in turn forms a bright stripe.
  • the transparent conductive layer is in the form of a strip
  • the strip-shaped transparent conductive layer corresponds to the second sensing electrode position of the lower substrate, for example, facing each other. That is, a transparent conductive layer is provided only at a position opposite to the second sensing electrode.
  • the transparent conductive layer 12 is provided with a plurality of protrusions 13 at positions facing the second sensing electrodes 24 of the lower substrate 20.
  • the protruding portion may be a circular boss.
  • the first sensing electrode and the second sensing electrode are strip electrodes.
  • the first sensing electrode and the second sensing electrode are strip electrodes, and the first sensing electrode and the second sensing electrode are perpendicular.
  • the first sensing electrode and the second sensing electrode can position the finger to touch the touch function.
  • the upper substrate 10 further includes an insulating layer 14 disposed between the insulating layer 14 and the upper transparent substrate 11 .
  • the insulating layer is not only insulated, but when the transparent conductive layer is strip-shaped, the insulating layer can also be used to planarize a film layer on the substrate.
  • the lower substrate 20 further includes an alignment layer 25, and the first sensing electrode layer, the insulating layer, and the second sensing electrode layer are disposed on the alignment layer 25 and the lower transparent substrate. Between 21 .
  • the lower substrate 20 is further provided with an alignment layer 25 on the second sensing electrode 24.
  • the alignment layer may be formed by rubbing a surface of a PI (Polyimide, polyimide) film.
  • the density of the grooves on the directional layer affects the anchoring force of the liquid crystal: the larger the groove density, the stronger the anchoring force of the liquid crystal; conversely, the smaller the groove density, the weaker the anchoring force of the liquid crystal.
  • the touch screen provided by the embodiment of the present invention only enumerates the parts related to the main point of the invention of the present invention.
  • the first sensing electrode and the second sensing electrode are generally connected with a processing chip, which is a basic condition for implementing the touch function, and since it is not related to the inventive point of the present invention, in the embodiment of the present invention, Do not repeat them.
  • An embodiment of the present invention provides a method for fabricating a touch screen according to any of the embodiments of the present invention, including:
  • Step S101 A transparent conductive layer is formed on the upper transparent substrate to obtain an upper substrate.
  • the upper transparent substrate may be a glass substrate, or may be a plastic substrate or the like.
  • a transparent conductive material such as indium tin oxide (ITO) material may be sputtered. , forming a transparent conductive layer. It is also possible to form the transparent conductive film by deposition on a transparent substrate, and then form the transparent conductive layer by one patterning process.
  • the so-called "patterning process” is a process of forming a film into a layer containing at least one pattern; and the patterning process generally comprises: coating a film, exposing the photoresist using a mask, and using a developer to the photoresist Development is carried out, and the portion of the film not covered with the photoresist is etched away, and finally the remaining photoresist is peeled off.
  • the transparent conductive layer is in the form of a strip
  • a stripe pattern can be formed by one patterning process.
  • Step S102 sequentially forming a first sensing electrode layer, an insulating layer and a second sensing electrode layer on the lower transparent substrate to obtain a lower substrate.
  • the lower transparent substrate may be a glass substrate, or may be a plastic substrate or the like
  • the first sensing electrode layer, the insulating layer, and the second sensing electrode layer may be formed on the lower transparent substrate by a sputtering material.
  • the material forming the first sensing electrode layer and the second sensing electrode layer may be ITO or the like, and the material forming the insulating layer may be silicon nitride or the like.
  • Forming the first sensing electrode layer, the insulating layer, and the second sensing electrode layer on the lower substrate may also be formed by one patterning process, respectively.
  • the existing manufacturing method can be referred to, which is not described in the embodiment of the present invention.
  • Step S103 the upper substrate and the lower substrate are paired with a box, and the liquid crystal is filled in the box to form the touch screen, wherein the upper substrate is formed with the transparent conductive layer side and the lower substrate.
  • One side of the first sensing electrode layer, the insulating layer, and the second sensing electrode layer are opposed to each other.
  • one side of the upper substrate on which the transparent conductive layer is disposed and one side of the lower substrate on which the first sensing electrode layer, the insulating layer, and the second sensing electrode layer are disposed are opposed to each other.
  • the transparent conductive layer is formed on the upper transparent substrate, and the obtaining the upper substrate further includes: providing an insulating layer on the upper transparent substrate.
  • an insulating layer 14 on the upper substrate is disposed on the transparent conductive layer 12.
  • the first sensing electrode layer, the insulating layer, and the second sensing electrode layer are formed on the lower transparent substrate, and the obtaining the lower substrate further includes:
  • An alignment layer is provided on the lower transparent substrate. Wherein the alignment layer is disposed on the second sensing electrode. An alignment layer is formed on the second sensing electrode, and the liquid crystal molecules are aligned in the orientation direction of the alignment film.
  • the first sensing electrode layer includes a plurality of first sensing electrodes
  • the second sensing electrode layer includes a plurality of second sensing electrodes crossing the first sensing electrodes, the first The sensing electrode and the second sensing electrode are perpendicular.
  • the first sensing electrode and the second sensing electrode can position the finger to touch the touch function.
  • the transparent conductive layer formed on the upper transparent substrate may be in the form of a flat plate or a strip.
  • the transparent conductive layer corresponds to the second sensing electrode on the lower substrate, for example, facing each other.
  • the transparent conductive layer is formed on the upper transparent substrate to obtain The substrate also includes:
  • a plurality of protrusions are formed at a position of the transparent conductive layer directly opposite to the second sensing electrode of the lower substrate.
  • the projection is formed as a circular boss.
  • the embodiment of the present invention further provides a display device, including any of the touch screens provided by the embodiments of the present invention.
  • the display device can be applied to any product having a display function such as a television, an electronic paper, a digital camera, a digital photo frame, a computer, or the like.
  • the embodiment of the invention further provides a method for manufacturing a display device, comprising:
  • Step S201 creating a touch screen capable of realizing 3D display.
  • the method of making the touch screen according to any of the embodiments of the present invention can be made by making a touch screen that can realize 3D display. Specifically, reference may be made to step S101 to step S103, and other embodiments of the present invention.
  • Step S202 the touch screen is attached to the display panel, wherein the touch screen is attached to the light exiting side of the display panel.
  • the above display panel may include an LCD display panel or an OLED display panel, or other display panel such as an electronic paper panel.
  • the touch screen, the display device and the manufacturing method thereof can be implemented by the embodiment of the present invention.
  • the upper substrate of the touch screen is provided with a transparent conductive layer.
  • the touch screen can be realized. 2D display; when the transparent conductive layer is powered, it forms a vertical electric field with the second sensing electrode on the lower substrate, so that the position opposite to the second sensing electrode is opaque, and the two adjacent second passes
  • the area between the sensing electrodes is a light transmitting area, and the display screen forms a bright and dark streak, which can realize 3D display.

Abstract

本发明的实施例提供了一种可实现3D显示的触摸屏、显示装置及其制作方法,该可实现3D显示的触摸屏,包括:对盒成型的上基板和下基板;以及液晶,填充在所述上基板和下基板之间,其中,所述上基板包括:上透明基板以及设置在所述上透明基板上,即,所述上透明基板的与所述下基板相对的一侧的透明导电层;所述下基板包括:下透明基板以及依次设置在所述下透明基板上,即,所述下透明基板的与所述上基板相对的一侧的第一传感电极层、绝缘层以及第二传感电极层,其中,所述第一传感电极层包括多条第一传感电极,所述第二传感电极层包括多条与所述第一传感电极交叉的第二传感电极,所述绝缘层用于使得所述第一传感电极和所述第二传感电极绝缘,从而形成触摸传感电容。

Description

可实现 3D显示的触摸屏、 显示装置及其制作方法 技术领域
本发明的实施例涉及一种可实现 3D显示的触摸屏、 显示装置及其制作 方法。 背景技术
近年来, 立体显示即 3D ( three-dimensional-三维)显示, 已经成为显示 领域的一大趋势。与普通二维显示相比, 3D显示技术可以使画面变得立体逼 真。 尽管 3D显示技术分类繁多, 不过其最基本的原理是相似的, 就是使人 的左右眼分别接收具有视差的不同图像, 经过大脑对不同二维图像的信息进 行叠加重生, 形成 3D立体影像。
3D立体显示技术主要分为棵眼式和眼镜式。 目艮镜式 3D显示需要佩戴特 制的眼镜, 这使得其应用范围以及使用舒适度大打折扣。 现有的棵眼 3D显 示装置主要是由显示面板和视差屏障光栅组成, 其中, 视差屏障光栅包括多 个光栅单元, 将视差屏障光栅按一定的方式配制在显示面板前面, 经视差屏 障光栅分像, 可使人的双眼看到不同的视觉图像, 产生立体感觉。 发明内容
本发明的实施例提供一种可实现 3D显示的触摸屏、 显示装置及其制作 方法, 通过所述触摸屏可以使得显示画面在 2D和 3D之间转换。
本发明实施例提供了一种可实现 3D显示的触摸屏, 包括: 对盒成型的 上基板和下基板; 以及液晶, 填充在所述上基板和下基板之间, 其中, 所述 上基板包括: 上透明基板以及设置在所述上透明基板上, 即, 所述上透明基 板的与所述下基板相对的一侧的透明导电层; 所述下基板包括: 下透明基板 以及依次设置在所述下透明基板上, 即, 所述下透明基板的与所述上基板相 对的一侧的第一传感电极层、 绝缘层以及第二传感电极层, 其中, 所述第一 传感电极层包括多条第一传感电极, 所述第二传感电极层包括多条与所述第 一传感电极交叉的第二传感电极, 所述绝缘层用于使得所述第一传感电极和 所述第二传感电极绝缘, 从而形成触摸传感电容下基板包括: 下透明基板以 及依次设置在所述下透明基板上的第一传感电极层、 绝缘层以及第二传感电 极层, 其中, 第一传感电极层包括多条第一传感电极, 第二传感电极层包括 多条与第一传感电极交叉的第二传感电极, 所述绝缘层用于使得第一传感电 极和第二传感电极绝缘, 形成触摸传感电容。
可选的, 所述透明导电层为平板状或为条状。
可选的, 所述条状的透明导电层与下基板的第二传感电极位置对应。 可选的, 透明导电层在与下基板的第二传感电极正对的位置处设置有多 个凸出部。
可选的, 所述第一传感电极和所述第二传感电极均为条状电极。
可选的, 所述第一传感电极和所述第二传感电极垂直。
可选的, 所述上基板还包括绝缘层, 所述透明导电层设置在所述绝缘层 和所述上透明基板之间。
可选的, 所述下基板还包括取向层, 所述第一传感电极层、 绝缘层以及 第二传感电极层依次设置在所述取向层和下透明基板之间。
一种制作本发明任意实施例提供的触摸屏的制作方法, 包括: 在上透明 基板上制作透明导电层, 得到上基板; 在下透明基板上依次制作第一传感电 极层、 绝缘层以及第二传感电极层, 得到下基板; 将所述上基板和所述下基 板对盒, 并在盒中填充液晶, 形成所述触摸屏, 其中所述上透明基板的形成 有所述透明电极层的一侧与所述下透明基板的形成有所述第一传感电极层、 所述绝缘层以及所述第二传感电极层的一侧相对置。
所述在上透明基板上制作透明导电层, 得到上基板还包括: 在上透明基 板的透明导电层上设置绝缘层。
所述在下透明基板上制作第一传感电极层、绝缘层以及第二传感电极层, 得到下基板还包括: 形成有所述第一传感电极层、 所述绝缘层以及所述第二 传感电极层的在下透明基板上设置取向层。
本发明实施例提供了一种显示装置, 包括本发明任意实施例提供的触摸 屏。
一种显示装置的制作方法, 包括: 本发明实施例提供的制作方法制作触 摸屏; 将所述触摸屏贴合到显示面板的出光侧。 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为本发明实施例提供的一种具有 3D显示功能的触摸屏的部分部件 的俯视图。
图 2为图 1所示触摸屏的 A-A'剖视结构示意图。 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。
本发明实施例提供了一种可实现 3D显示的触摸屏, 如图 1、 图 2所示, 包括: 对盒成型的上基板 10和下基板 20, 在所述上基板 10和下基板 20之 间填充有液晶, 其中,
上基板 10包括: 上透明基板 11以及设置在所述上透明基板 11上, 即, 在所述上透明基板 11的与所述下基板 10相对的一侧的透明导电层 12;
下基板 20包括: 下透明基板 21以及依次设置在所述下透明基板 21上, 即在所述下透明基板 21的与所述上基板 10相对的一侧的第一传感电极层、 绝缘层 23以及第二传感电极层,其中,第一传感电极层包括多条第一传感电 极 22,第二传感电极层包括多条与第一传感电极交叉的第二传感电极 24,所 述绝缘层 23用于使得第一传感电极 22和第二传感电极 24绝缘,形成触摸传 感电容。
需要说明的是,本发明实施例中,所述上基板即为距离人眼较近的基板, 所述下基板为距离人眼较远的基板。 又由于第一传感电极和第二传感电极会 影响光透过量, 第一传感电极和第二传感电极距离光源或显示面板越近, 则 光透过量越大, 显示亮度更高。 同理, 第一传感电极和第二传感电极距离光 源或显示面板越远, 则光透过量越小, 显示亮度低。 所述下基板上的第一传 感电极和第二传感电极可用于对触摸的位置进行传感定位, 实现触摸功能。 具体的, 当人的手指触碰显示屏时, 由于手指的按压, 显示屏会发生轻微的 形变, 透明导电层和第二传感电极之间的电容会发生变化, 进而使得第一传 感电极和第二传感电极的电容发生变化, 第一传感电极和第二传感电极对触 摸的位置进行定位, 再通过外接的芯片实现触摸功能。
当上基板上的透明导电层不加电时, 所述触摸屏透光, 可以实现 2D显 示; 当对所述上基板的透明导电层加电时, 则所述透明导电层和下基板的第 二传感电极形成垂直电场, 透明导电层和第二传感电极之间的区域形成不透 光区, 相邻的两个第二传感电极之间的区域为透光区, 则所述 3D触摸屏形 成亮暗相间的条纹, 可实现 3D显示。
本发明实施例提供的触摸屏, 当所述触摸屏的下基板第一传感电极和第 二传感电极通电, 上基板的透明导电层不通电, 则所述显示屏可以实现 2D 显示; 当显示屏的下基板的第一传感电极和第二传感电极和上基板的透明导 电层均通电, 在透明导电层和第二传感电极之间形成电场, 位于透明导电层 和第二传感电极之间的区域形成不透光区, 相邻的两个第二传感电极之间的 区域为透光区, 则所述触摸屏形成亮暗相间的条纹, 可实现 3D显示。
可选的, 所述透明导电层为平板状或为条状。 透明导电层与第二传感电 极之间形成电场, 用以控制液晶在透明导电层与第二传感电极相对的位置处 不透光形成暗纹, 相邻的两个第二传感电极之间透光, 形成亮纹, 进而形成 明亮相间的条纹。 且进一步的, 当所述透明导电层为条状时, 所述条状的透 明导电层与下基板的第二传感电极位置对应, 例如正相对。 即仅在与第二传 感电极相对的位置处设置有透明导电层。
可选的, 如图 2所示, 透明导电层 12在与下基板 20的第二传感电极 24 正对的位置处设置有多个凸出部 13。通过设置所述凸出部可以使得手指触碰 位置处透明导电层和第二传感电极的电容的变化更加明显, 从而可以更容易 的实现触摸功能。 进一步的, 所述凸出部可以为圓形的凸台。
可选的, 所述第一传感电极和所述第二传感电极均为条状电极。 示例性 地, 如图 1所示, 所述第一传感电极和所述第二传感电极均为条状电极, 且 所述第一传感电极和所述第二传感电极垂直。 通过第一传感电极和第二传感 电极可以对手指触碰的位置进行定位, 实现触摸功能。 具体的通过第一传感 电极和第二传感电极实现触摸功能的原理与现有技术中相同,在此不作赘述。 可选的, 如图 2所示, 所述上基板 10还包括绝缘层 14, 所述透明导电 层 12设置在所述绝缘层 14和所述上透明基板 11之间。所述绝缘层不仅绝缘, 当所述透明导电层为条状时, 则所述绝缘层还可以用于使所述基板上的膜层 平坦化。
可选的, 如图 2所示, 所述下基板 20还包括取向层 25, 所述第一传感 电极层、 绝缘层以及第二传感电极层设置在所述取向层 25和下透明基板 21 之间。 示例性地, 如图 2所示, 下基板 20在第二传感电极 24的上面还设置 有取向层 25。 需要说明的是, 本发明实施例中, 所述"上"、 "下"以薄膜制作 的先后顺序为依据, 例如在先制作的薄膜在下, 在后制作的薄膜在上。 所述 取向层可以是在 PI ( Polyimide, 聚酰亚胺)薄膜表面经摩擦后形成沟槽。 取 向层上的沟槽密度影响了液晶的锚定力: 沟槽密度越大, 液晶的锚定力就越 强; 相反, 沟槽密度越小, 液晶的锚定力就越弱。
需要说明的是, 本发明实施例提供的触摸屏, 在本发明实施例中只是列 举了其主要本发明的发明点相关的部分, 对于触摸屏中与本发明的发明点无 关的其他部分或部件, 可以参照现有技术。 例如, 为了实现触摸功能, 第一 传感电极和第二传感电极一般连接有一个处理芯片, 这是实现触摸功能的基 本条件, 由于其与本发明的发明点无关, 故本发明实施例中不作赘述。
本发明实施例提供了一种制作本发明实施例提供的任一所述的触摸屏的 方法, 包括:
步骤 S101、 在上透明基板上制作透明导电层, 得到上基板。
具体的示例性地, 上透明基板可以是玻璃基板, 还可以是塑料基板等, 在上透明基板上可以是通过溅射透明导电材料, 如氧化铟锡 ITO ( Indium tin oxide, 氧化铟锡)材料, 形成透明导电层。 还可以是在透明基板上通过沉积 的方法形成所述透明导电薄膜, 再通过一次构图工艺形成所述透明导电层。 所谓"构图工艺 "是将薄膜形成包含至少一个图案的层的工艺; 而构图工艺通 常包含: 在薄膜上涂胶, 利用掩模板对所述光刻胶进行曝光, 再利用显影液 对光刻胶进行显影, 再刻蚀掉未覆盖光刻胶的薄膜部分, 最后将剩下的光刻 胶剥离。 例如所述透明导电层为条状, 则通过一次构图工艺可形成条状的图 案。 对于具体的通过一次构图工艺形成透明导电层可以参照现有技术的制作 工艺, 本发明实施例中不作赘述。
步骤 S102、在下透明基板上依次制作第一传感电极层、 绝缘层以及第二 传感电极层, 得到下基板。
具体的示例性地, 下透明基板可以是玻璃基板, 还可以是塑料基板等, 在下透明基板上可以通过溅射材料, 形成第一传感电极层、 绝缘层以及第二 传感电极层。其中,形成第一传感电极层和第二传感电极层的材料可以是 ITO 等, 形成绝缘层的材料可以是氮化硅等。 在下基板上形成第一传感电极层、 绝缘层以及第二传感电极层也可以是分别通过一次构图工艺形成。 可以参照 现有的制作方法, 本发明实施例中不作赘述。
步骤 S103、 将所述上基板和所述下基板对盒, 并在盒中填充液晶, 形成 所述触摸屏, 其中所述上基板的形成有所述透明导电层一侧与所述下基板的 形成有所述第一传感电极层、 所述绝缘层以及所述第二传感电极层的一侧相 对置。
具体的示例性地, 如图 2所示, 上基板设置透明导电层一侧和下基板设 置第一传感电极层、 绝缘层以及第二传感电极层的一侧彼此相对。
可选的, 所述在上透明基板上制作透明导电层, 得到上基板还包括: 在上透明基板上设置绝缘层。 示例性地, 如图 2所示, 所述上基板上的 绝缘层 14设置在所述透明导电层 12的上面。
可选的, 所述在下透明基板上制作第一传感电极层、 绝缘层以及第二传 感电极层, 得到下基板还包括:
在下透明基板上设置取向层。 其中, 所述取向层设置在所述第二传感电 极上面。 第二传感电极上形成取向层, 则所述液晶分子按照取向膜的取向方 向进行排列。
备选地, 所述第一传感电极层包括多条第一传感电极, 所述第二传感电 极层包括多条与第一传感电极交叉的第二传感电极, 所述第一传感电极和所 述第二传感电极垂直。 通过第一传感电极和第二传感电极可以对手指触碰的 位置进行定位, 实现触摸功能。
形成在所述上透明基板上的透明导电层可以为平板状或条状。 当所述透 明导电层为条状时, 所述透明导电层与所述下基板上的所述第二传感电极对 应, 例如, 正相对。 备选地, 所述在上透明基板上制作透明导电层, 得到上 基板还包括:
在所述透明导电层的与下基板的第二传感电极正相对的位置处形成有多 个凸出部。 示例性地, 所述凸出部形成为圓形凸台。
本发明实施例还提供了一种显示装置, 包括本发明实施例提供的任一所 述的触摸屏。 所述显示装置可以应用到电视、 电子纸、数码相机、 数码相框、 电脑等任何具有显示功能的产品。
本发明实施例还提供了一种制作显示装置的方法, 包括:
步骤 S201、 制作可实现 3D显示的触摸屏。
制作可实现 3D显示的触摸屏可以根据本发明实施例提供的任一所述的 制作所述触摸屏的方法。 具体的可以参照步骤 S101-步骤 S103 , 以及本发明 的其他实施例。
步骤 S202、将所述触摸屏与显示面板贴合, 其中所述触摸屏贴合在所述 显示面板的出光侧。
需要说明的是, 上述显示面板可以包括 LCD显示面板或 OLED显示面 板, 或电子纸面板等其他显示面板。
本发明实施例提供的一种可实现 3D显示的触摸屏、 显示装置及其制作 方法,所述触摸屏的上基板上设置有透明导电层, 当所述透明导电层不加电, 所述触摸屏可实现 2D显示; 当所述透明导电层加电, 其与下基板上的第二 传感电极形成垂直电场, 使得与第二传感电极相对的位置处不透光, 相邻的 两个第二传感电极之间的区域为透光区,则所述显示屏形成亮暗相间的条纹, 可实现 3D显示。
以上所述, 仅为本发明的具体实施方式, 但本发明的保护范围并不局限 于此, 任何熟悉本技术领域的技术人员在本发明揭露的技术范围内, 可轻易 想到的变化或替换, 都应涵盖在本发明的保护范围之内。 因此, 本发明的保 护范围应以所述权利要求的保护范围为准。

Claims

权利要求书
1、 一种可实现 3D显示的触摸屏, 包括:
对盒成型的上基板和下基板; 以及
液晶, 填充在所述上基板和下基板之间,
其中, 所述上基板包括: 上透明基板以及设置在所述上透明基板上, 即, 所述上透明基板的与所述下基板相对的一侧的透明导电层;
所述下基板包括: 下透明基板以及依次设置在所述下透明基板上, 即, 所述下透明基板的与所述上基板相对的一侧的第一传感电极层、 绝缘层以及 第二传感电极层,
其中, 所述第一传感电极层包括多条第一传感电极, 所述第二传感电极 层包括多条与所述第一传感电极交叉的第二传感电极, 所述绝缘层用于使得 所述第一传感电极和所述第二传感电极绝缘, 从而形成触摸传感电容。
2、根据权利要求 1所述的触摸屏,其中所述透明导电层为平板状或为条 状。
3、根据权利要求 2所述的触摸屏,其中条状的透明导电层与所述下基板 的第二传感电极位置对应。
4、根据权利要求 1-3任一项所述的触摸屏, 其中所述透明导电层在与下 基板的第二传感电极正对的位置处设置有多个凸出部。
5、根据权利要求 1所述的触摸屏,其中所述第一传感电极和所述第二传 感电极均为条状电极。
6、根据权利要求 1所述的触摸屏,其中所述第一传感电极和所述第二传 感电极垂直。
7、根据权利要求 1所述的触摸屏, 其中所述上基板还包括绝缘层, 所述 透明导电层设置在所述绝缘层和所述上透明基板之间。
8、根据权利要求 1所述的触摸屏, 其中所述下基板还包括取向层, 所述 第一传感电极层、 绝缘层以及第二传感电极层依次设置在所述取向层和所述 下透明基板之间。
9、 根据权利要求 4所述的触摸屏, 其中所述凸出部形成为圓形凸台。
10、 一种如权利要求 1-9任一项所述的触摸屏的制作方法, 包括: 在上透明基板上制作透明导电层, 得到上基板;
在下透明基板上依次制作第一传感电极层、绝缘层以及第二传感电极层, 得到下基板;
将所述上基板和所述下基板对盒, 并在盒中填充液晶, 形成所述触 摸屏, 其中所述上透明基板的形成有所述透明电极层的一侧与所述下 透明基板的形成有所述第一传感电极层、 所述绝缘层以及所述第二传感电 极层的一侧相对置。
1 1、 根据权利要求 10 所述的制作方法, 其中所述在上透明基板上 制作透明导电层, 得到上基板还包括:
在上透明基板上的透明导电层上设置绝缘层。
12、 根据权利要求 10所述的制作方法, 其中所述在下透明基板上制 作第一传感电极层、 绝缘层以及第二传感电极层, 得到下基板还包括:
形成有所述第一传感电极层、 所述绝缘层以及所述第二传感电极层的在 下透明基板上设置取向层。
13、 根据权利要求 10所述的制作方法, 其中所述第一传感电极层包 括多条第一传感电极, 所述第二传感电极层包括多条与所述第一传感电极交 叉的第二传感电极, 所述绝缘层用于使得所述第一传感电极和所述第二传感 电极绝缘。
14、 根据权利要求 10- 13任一项所述的制作方法, 其中所述透明导电 层为平板状或为条状。
15、 根据权利要求 14所述的制作方法, 其中条状的所述透明导电层 与所述下基板的第二传感电极对应。
16、 根据权利要求 14所述的制作方法, 其中所述透明导电层在与下 基板的第二传感电极正对的位置处设置有多个凸出部。
17、 一种显示装置, 包括权利要求 1-9任一项所述的触摸屏。
18、 一种如权利要求 17所述的显示装置的制作方法, 包括: 根据权利要求 10-16任一项所述的制作方法制作触摸屏; 将所述触摸屏与贴合在显示面板的出光侧。
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