WO2015070510A1 - 一种触控显示装置 - Google Patents

一种触控显示装置 Download PDF

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Publication number
WO2015070510A1
WO2015070510A1 PCT/CN2014/000566 CN2014000566W WO2015070510A1 WO 2015070510 A1 WO2015070510 A1 WO 2015070510A1 CN 2014000566 W CN2014000566 W CN 2014000566W WO 2015070510 A1 WO2015070510 A1 WO 2015070510A1
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substrate
layer
display device
alkali glass
array substrate
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PCT/CN2014/000566
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English (en)
French (fr)
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杨国波
王向楠
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京东方科技集团股份有限公司
成都京东方光电科技有限公司
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Priority to US14/408,557 priority Critical patent/US20160259193A1/en
Publication of WO2015070510A1 publication Critical patent/WO2015070510A1/zh

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    • 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
    • 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
    • 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
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/50—Protective arrangements
    • G02F2201/501—Blocking layers, e.g. against migration of ions
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices

Definitions

  • the present invention relates to liquid crystal display technology, and in particular to a touch display device.
  • the touch layer (including the touch electrode) is usually passed.
  • the adhesive is adhered to the outside of the display side of the display device, and a protective layer is provided outside the touch layer.
  • a touch display device has a relatively thick thickness and is contrary to the popular thin and light display device. Therefore, in the existing solution, the touch layer is placed inside the touch display device, eliminating the need for The adhesive and protective layer achieve the purpose of thinness. In this scheme, it will be straight when touched. Rubbing or pressing the substrate on the display side, so at least it is required to make the opposite of the array substrate.
  • Glass substrate of the opposite substrate touch or press side, usually also the substrate on the display side
  • the glass substrate used for the opposite substrate (such as the color filter substrate) of the display device usually uses alkali Alkaline glass with metal ions, alkali glass after alkali treatment, alkali glass (hereinafter referred to as alkali
  • alkali glass alkali glass
  • the surface of the glass has a higher strength than the surface of the ordinary glass, thereby preventing The glass substrate is broken when touched or pressed, and a protective layer is not required on the outer side of the alkali glass.
  • the alkali metal ions diffuse to the surface of the alkali glass substrate, the alkali glass is produced. Transparent electrodes on the substrate (eg, pixel electrodes, common electrodes, and touch electrodes of the touch layer) And the liquid crystal layer (for the liquid crystal display device) is deteriorated. Especially after long-term use, alkali The result of diffusion of metal ions may cause white turbidity and transparency to decrease in the transparent electrode layer. Low, increased resistance, and reduced physical and chemical stability, which affects the final display. Shorten the life of the touch display device.
  • the technical problem solved by the present invention is: how to solve the glass substrate of the touch display device Diffusion of alkali metal ions, resulting in physical and chemical stability of transparent electrodes and liquid crystals in display devices Qualitative reduction problems.
  • the present invention provides a touch display device including an array a column substrate, a counter substrate opposite to the array substrate, and the array substrate and the opposite a liquid crystal layer and a touch layer between the substrates, the opposite substrate comprising an alkali glass substrate, The alkali glass substrate of the opposite substrate is formed on the side facing the array substrate to prevent alkali metal ion expansion a first shielding layer, and the liquid crystal layer and the touch layer are located on the array substrate and the first Between a shield.
  • the opposite substrate is a color film substrate
  • the touch display device further includes directly forming the alkali glass An upper polarizing layer on the outer surface of the glass substrate.
  • the array substrate comprises an alkali glass substrate, located in the base a transparent electrode layer on one side of the glass substrate facing the opposite substrate and a base formed on the array substrate a second between the glass substrate and the transparent electrode layer of the array substrate to prevent diffusion of alkali metal ions Shield.
  • the second shielding layer may form a base on the array substrate
  • the glass substrate faces the surface of the opposite substrate.
  • the touch display device further includes directly formed on the array a lower polarizing layer on the outer surface of the alkali glass substrate of the substrate.
  • the array substrate may further include a gate insulating layer,
  • the second shielding layer is the gate insulating layer.
  • the materials of the first shielding layer and the second shielding layer are transparent Ming silicon oxide.
  • the thickness of the first shielding layer and the second shielding layer is 100 nm to 360 nm.
  • the alkali glass substrate of the opposite substrate faces away from the array
  • the edge on one side of the substrate is formed into a curved surface, a sloped surface, or a spherical surface.
  • the present invention provides a touch display device through an alkali glass substrate on an opposite substrate a first shielding layer for preventing diffusion of alkali metal ions is formed on one side facing the array substrate, thereby Blocking alkali metal ions from diffusing to other layer structures of the display device substrate (eg In the transparent electrode, the liquid crystal layer, etc., the transparent electrode and the liquid crystal in the display device are further ensured.
  • the physical and chemical stability is normal, and the display effect of the display device is ensured.
  • FIG. 1 is a schematic structural diagram of a touch display device according to an embodiment of the invention.
  • FIG. 2 is a schematic structural diagram of a touch display device according to another embodiment of the present invention.
  • FIG. 3 is a schematic structural diagram of a touch display device according to another embodiment of the present invention.
  • FIG. 5 is a junction of an alkali glass substrate of a counter substrate provided according to another embodiment of the present invention. Schematic diagram.
  • a touch display device is provided, as shown in FIG. An array substrate 10, a counter substrate 20 opposite to the array substrate 10, and the a liquid crystal layer 3 and a touch layer 4 between the array substrate 10 and the opposite substrate 20 (the liquid crystal layer 3 can Located above or below the touch layer 4, FIG. 1 shows the liquid crystal layer 3 under the touch layer 4. Case).
  • the opposite substrate 20 includes an alkali glass substrate 2 on the opposite substrate 20 The side of the alkali glass substrate 2 facing the array substrate 10 is formed to prevent diffusion of alkali metal ions.
  • a shielding layer 5, and the liquid crystal layer 3 and the touch layer 4 are both located on the first shielding layer 5 near the array substrate
  • One side of 10 is located between the array substrate 10 and the first shield layer 5.
  • the array substrate 10 may further include various structures formed on the substrate 1, such as an electrode layer, a film Layers of transistors, etc.
  • the surface of the alkali glass substrate 2 facing the opposite substrate 20 is faced
  • One side of the array substrate 10 forms a first shield layer 5 that prevents diffusion of alkali metal ions, thereby blocking Blocking alkali metal ions so that they cannot diffuse into the touch layer 4 and the liquid crystal layer 3, ensuring The physical and chemical stability of the touch layer 4 and the liquid crystal are normal.
  • the opposite substrate 20 may be a color film substrate (for color In the case where the film filter is formed on the array substrate, the opposite substrate is only a transparent substrate).
  • the color filter substrate may include an alkali glass substrate 2 and a transparent electrode 6 (common electrode), wherein the transparent The electrode 6 is located on the side of the alkali glass substrate 2 of the color filter substrate facing the array substrate 10.
  • Color film base The board further includes a first shield layer 5 formed between the transparent electrode 6 and the alkali glass substrate 2.
  • the first The shielding layer 5 makes it impossible for the alkali metal ions in the alkali glass substrate to diffuse into the transparent electrode 6, In addition, the physical and chemical stability of the transparent electrode is ensured, and the display device is ensured. Show the effect.
  • the substrate 1 of the array substrate 10 is shown in FIG.
  • the array substrate 10 can also include various layers formed on the substrate 1. Such structures are, for example, electrode layers, layers of thin film transistors, and the like.
  • the opposite substrate and the substrate of the array substrate can both be substrates of higher strength, such as alkali glass Glass substrate.
  • the opposite substrate and the array substrate of the touch display device can be respectively a shielding layer is included to prevent alkali metal ions of the alkali glass substrate of the two substrates from diffusing to the substrate In other structures.
  • the array substrate 10 in the touch display device includes a base. a glass substrate 1, a transparent electrode on a side of the alkali glass substrate 1 facing the opposite substrate 20.
  • the array substrate 10 may further include an alkali glass lining Other layer structures between the bottom 1 and the transparent electrode layer 6'.
  • the other layer structure can be packaged, for example Each layer of the thin film transistor, such as a gate insulating layer, a passivation layer, or the like.
  • the first The second shield layer 5' may be formed on the transparent electrode layer 6' of the array substrate 10 and the other layer structure between.
  • the second shield layer 5' may be a gate insulating layer in the array substrate 10, so that it is not necessary to additionally provide a gate insulating layer. Layers, which simplify the process and save costs.
  • the materials of the first shielding layer 5 and the second shielding layer 5' described above may be a transparent silicon oxide and may have a thickness of 100 nm to 360 nm.
  • the touch display device may further include an upper polarizing layer and a lower layer.
  • a polarizing layer and the upper polarizing layer is directly formed on the outer surface of the alkali glass substrate 2 of the opposite substrate 20.
  • Upper surface (the outer surface refers to a table of the alkali glass substrate 2 of the opposite substrate 20 facing away from the array substrate 10
  • the lower polarizing layer is directly formed on the outer surface of the alkali glass substrate 1 of the array substrate 10 (the surface)
  • the outer surface refers to the surface of the alkali glass substrate 1 of the array substrate 10 facing away from the opposite substrate 20) It is not necessary to additionally bond a polarizing layer (upper polarizing layer or lower polarizing layer) with an adhesive, thereby reducing The thickness of the entire display device is reduced.
  • the alkali glass substrate 2 of the opposite substrate faces away from the array base
  • the edge on one side of the plate may be formed as a curved surface, a spherical surface or a beveled surface, or an aspherical surface having a circular arc shape.
  • the alkali glass substrate 2 of the counter substrate 20 faces away from the side of the array substrate.
  • the edges are formed as curved surfaces.
  • the base glass substrate 2 of the opposite substrate 20 is backed
  • An edge of one side of the array substrate is formed as a slope, and the slope of the slope can be displayed according to the touch
  • the frame size of the device is adjusted.
  • the edge of the alkali glass substrate opposite to the array substrate on the opposite substrate is formed into a curved surface,
  • an image is refracted when passing through the edge of the opposite substrate Phenomenon, the display path changes, so that the border of the display panel looks narrower or even To the border, to achieve a narrow border or no border visual effect.

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Abstract

一种触控显示装置，包括阵列基板（10）、与所述阵列基板（10）对置的对置基板（20）及位于所述阵列基板（10）与对置基板（20）之间的液晶层（3）和触控层（4），所述对置基板（20）包括碱玻璃衬底（2），在所述对置基板（20）的碱玻璃衬底（2）面向阵列基板（10）的一侧形成有防止碱金属离子扩散的第一屏蔽层（5），且所述液晶层（3）和所述触控层（4）均位于阵列基板（10）和所述第一屏蔽层（5）之间。通过在对置基板（20）的碱玻璃衬底（5）面向阵列基板（10）的一侧形成有防止碱金属离子扩散的第一屏蔽层（5），从而阻挡住碱金属离子，使其不能够扩散到基板的其他层机构中，进而保证了显示装置中透明电极及液晶的物理、化学稳定性正常，保证了显示装置的显示效果。

Description

一种触控显示装置 技术领域
本发明涉及液晶显示技术，特别涉及一种触控显示装置。
背景技术
随着液晶显示技术的迅速发展，研究者对显示屏的结构有着更深 的研究。对于触控液晶显示装置，通常触控层(包括触控电极)通过 胶粘剂粘在显示装置的显示侧的外部，并在触控层外部设置保护层。 但这种触控显示装置的厚度较厚，与时下流行的轻薄显示装置相违背。 因此，现有的一种方案中，将触控层置于触控显示装置内部，省去了 胶粘剂和保护层，达到了轻薄的目的。这种方案中，在触摸时将会直 接摩擦或按压显示侧的基板，所以至少要求用来制作与阵列基板对置 的对置基板(触摸或按压一侧，通常也是显示侧的基板)的玻璃衬底 具有更高的强度，以防止触摸或按压时玻璃衬底破裂。因此，触控显 示装置的对置基板(如彩膜基板)所采用的玻璃衬底通常采用含有碱 金属离子的有碱玻璃，有碱玻璃经过钢化处理后，有碱玻璃(下称碱 玻璃)的表面相对普通玻璃的表面具有更高的强度，从而能够防止在 触摸或按压时导致玻璃衬底破裂，而且碱玻璃外侧也不需要保护层。
但由于碱金属离子会扩散到碱玻璃衬底表面，致使制作在碱玻璃 衬底上的透明电极(如：像素电极、公共电极及触控层的触控电极) 以及液晶层(对于液晶显示装置)劣化。尤其是在长时间使用后，碱 金属离子扩散的结果可能使得透明电极层产生白色浑浊体、透明度降 低、电阻增加以及物理、化学稳定性降低，从而影响最终显示效果， 缩短触控显示装置的寿命。
发明内容
(一)解决的技术问题
本发明解决的技术问题是：如何解决触控显示装置的玻璃衬底中 的碱金属离子扩散，导致显示装置中透明电极及液晶的物理、化学稳 定性降低的问题。
(二)技术方案
为解决上述技术问题，本发明提供了一种触控显示装置，包括阵 列基板、与所述阵列基板对置的对置基板及位于所述阵列基板与对置 基板之间的液晶层和触控层，所述对置基板包括碱玻璃衬底，在所述 对置基板的碱玻璃衬底面向阵列基板的一侧形成有防止碱金属离子扩 散的第一屏蔽层，且所述液晶层和所述触控层位于阵列基板和所述第 一屏蔽层之间。
根据本发明的实施例，所述对置基板为彩膜基板，所述彩膜基板 包括位于碱玻璃衬底面向阵列基板的一侧的透明电极，所述第一屏蔽 层形成在所述透明电极和所述碱玻璃衬底之间。
根据本发明的实施例，触控显示装置还包括直接形成在所述碱玻 璃衬底的外表面上的上偏光层。
根据本发明的实施例，所述阵列基板包括碱玻璃衬底、位于该碱 玻璃衬底面向对置基板的一侧的透明电极层以及形成在阵列基板的碱 玻璃衬底和阵列基板的透明电极层之间的防止碱金属离子扩散的第二 屏蔽层。
根据本发明的实施例，所述第二屏蔽层可以形成在阵列基板的碱 玻璃衬底面向对置基板的表面上。
根据本发明的实施例，触控显示装置还包括直接形成在所述阵列 基板的碱玻璃衬底的外表面上的下偏光层。
根据本发明的实施例，所述阵列基板还可以包括栅绝缘层，所述 第二屏蔽层为所述栅绝缘层。
根据本发明的实施例，所述第一屏蔽层和第二屏蔽层的材料为透 明的硅氧化物。
根据本发明的实施例，所述第一屏蔽层和第二屏蔽层的厚度为 100nm～360nm。
根据本发明的实施例，所述对置基板的碱玻璃衬底背离所述阵列 基板一侧的边缘形成为曲面、斜面或球面。
(三)有益效果
本发明提供了一种触控显示装置，通过在对置基板的碱玻璃衬底 面向阵列基板的一侧形成有防止碱金属离子扩散的第一屏蔽层，从而 阻挡住碱金属离子，使其不能够扩散到显示装置基板的其它层结构(如 透明电极、液晶层等)中，进而保证了显示装置中透明电极及液晶的 物理、化学稳定性正常，保证了显示装置的显示效果。
附图说明
图1是根据本发明一个实施例提供的触控显示装置的结构示意图；
图2是根据本发明另一实施例提供的触控显示装置的结构示意图；
图3是根据本发明又一实施例提供的触控显示装置的结构示意图；
图4是根据本发明一个实施例提供的对置基板的碱玻璃衬底的结 构示意图；
图5是根据本发明另一实施例提供的对置基板的碱玻璃衬底的结 构示意图。
具体实施方式
为了更清楚地说明本发明实施例的技术方案，下面将对实施例描 述中所需要使用的附图作一简单地介绍，显而易见地，下面描述中的 附图是本发明的一些实施例，对于本领域普通技术人员来讲，在不付 出创造性劳动的前提下，还可以根据这些附图获得其他的附图。也就 是说，附图仅示出了本发明的示例性实施例，本发明可以以多种不同 的形式实施，而不应被解释为仅限于此处所述的实施例。
根据本发明一个实施例，提供了一种触控显示装置，如图1所示， 包括阵列基板10、与所述阵列基板10对置的对置基板20及位于所述 阵列基板10和对置基板20之间的液晶层3和触控层4(液晶层3可以 位于触控层4的上方或下方，图1示出了液晶层3位于触控层4下方 的情况)。所述对置基板20包括碱玻璃衬底2，在所述对置基板20的 碱玻璃衬底2面向阵列基板10的一侧形成有防止碱金属离子扩散的第 一屏蔽层5，且液晶层3和触控层4均位于第一屏蔽层5靠近阵列基板 10的一侧，即位于阵列基板10和第一屏蔽层5之间。为了简明起见， 图1中仅示出了阵列基板10的衬底1，本领域技术人员能够知晓的是， 阵列基板10还可包括形成在衬底1上的各种结构，例如电极层、薄膜 晶体管的各层等。
在本发明的该实施例中，通过在对置基板20的碱玻璃衬底2面向 阵列基板10的一侧形成防止碱金属离子扩散的第一屏蔽层5，从而阻 挡住碱金属离子，使其不能够扩散到触控层4和液晶层3中，保证了 触控层4及液晶的物理、化学稳定性正常。
根据本发明的另一实施例，对置基板20可以为彩膜基板(对于彩 膜滤光片制作在阵列基板上的情况，对置基板仅为透明基板)。如图2 所示，对于扭曲向列型(Twisted Nematic，TN)模式的液晶显示装置， 彩膜基板可以包括碱玻璃衬底2和透明电极6(公共电极)，其中透明 电极6位于彩膜基板的碱玻璃衬底2面向阵列基板10的一侧。彩膜基 板还包括形成在透明电极6和碱玻璃衬底2之间的第一屏蔽层5。第一 屏蔽层5使得碱玻璃衬底中的碱金属离子不能够扩散到透明电极6中， 进而保证了透明电极的物理、化学稳定性正常，保证了显示装置的显 示效果。为了简明起见，图2中仅示出了阵列基板10的衬底1，本领 域技术人员能够知晓的是，阵列基板10还可包括形成在衬底1上的各 种结构，例如电极层、薄膜晶体管的各层等。
进一步地，根据本发明的又一实施例，为了提高整个显示装置的 强度，对置基板和阵列基板的衬底都可为强度较高的衬底，例如碱玻 璃衬底。在该实施例中，触控显示装置的对置基板和阵列基板可分别 包括屏蔽层，以防止两个基板的碱玻璃衬底的碱金属离子扩散至基板 的其它结构中。如图3所示，该触控显示装置中的阵列基板10包括碱 玻璃衬底1，位于该碱玻璃衬底1面向对置基板20的一侧的透明电极 层6’(像素电极或公共电极)，以及形成在碱玻璃衬底1和透明电极层 6’之间的防止碱金属离子扩散的第二屏蔽层5’。第二屏蔽层5’例如可 以形成在碱玻璃衬底1的面向对置基板20的表面上，以防止碱金属离 子的扩散，如图3所示。
根据本发明的另一实施例，阵列基板10还可以包括位于碱玻璃衬 底1和透明电极层6’之间的其他层结构。所述其他层结构例如可以包 括薄膜晶体管的各层，比如栅绝缘层、钝化层等。在这种情形下，第 二屏蔽层5’可以形成在阵列基板10的透明电极层6’和所述其他层结构 之间。
另外，对于薄膜晶体管为顶栅结构的阵列基板，第二屏蔽层5’例 如可以为阵列基板10中的栅绝缘层，这样，就不必再另外设置栅绝缘 层，从而简化工艺，节约了成本。
根据本发明的实施例，上述第一屏蔽层5和第二屏蔽层5’的材料 可以为透明的硅氧化物，厚度可以为100nm～360nm。
根据本发明的另一实施例，触控显示装置还可包括上偏光层和下 偏光层，且上偏光层直接形成在对置基板20的碱玻璃衬底2的外表面 上(该外表面指该对置基板20的碱玻璃衬底2背离阵列基板10的表 面)，下偏光层直接形成在阵列基板10的碱玻璃衬底1的外表面上(该 外表面指该阵列基板10的碱玻璃衬底1背离对置基板20的表面)，而 不需要用粘胶剂另外地粘一层偏光层(上偏光层或下偏光层)，从而减 小了整个显示装置的厚度。
根据本发明的另一实施例，对置基板的碱玻璃衬底2背离阵列基 板一侧的边缘可以形成为曲面、球面或斜面，或者为圆弧形的非球面。 例如，如图4所示，对置基板20的碱玻璃衬底2背离阵列基板一侧的 边缘形成为曲面。或者，如图5所示，对置基板20的碱玻璃衬底2背 离阵列基板一侧的边缘形成为斜面，该斜面倾斜角度可根据触控显示 装置的边框大小来调整。
在对置基板的碱玻璃衬底背离阵列基板一侧的边缘形成为曲面、 球面或斜面的触控显示装置中，图像在通过对置基板边缘时产生折射 现象，使显示路径改变，这样显示面板的边框看起来变窄，甚至看不 到边框，达到窄边框或无边框的视觉效果。
以上实施方式仅用于说明本发明，而并非对本发明的限制，有关 技术领域的普通技术人员，在不脱离本发明的精神和范围的情况下， 还可以做出各种变化和变型，因此所有等同的技术方案也属于本发明 的范畴，本发明的专利保护范围应由权利要求限定。

Claims (10)

  1. 一种触控显示装置，包括阵列基板、与所述阵列基板对置的对 置基板及位于所述阵列基板与对置基板之间的液晶层和触控层，所述 对置基板包括碱玻璃衬底，其特征在于，在所述对置基板的碱玻璃衬 底面向阵列基板的一侧形成有防止碱金属离子扩散的第一屏蔽层，且 所述液晶层和所述触控层位于阵列基板和所述第一屏蔽层之间。
  2. 如权利要求1所述的触控显示装置，其特征在于，所述对置基 板为彩膜基板，所述彩膜基板包括位于碱玻璃衬底面向阵列基板的一 侧的透明电极，所述第一屏蔽层形成在所述透明电极和所述碱玻璃衬 底之间。
  3. 如权利要求1所述的触控显示装置，其特征在于，还包括直接 形成在所述碱玻璃衬底的外表面上的上偏光层。
  4. 如权利要求1所述的触控显示装置，其特征在于，所述阵列基 板包括碱玻璃衬底、位于该碱玻璃衬底面向对置基板的一侧的透明电 极层以及形成在阵列基板的碱玻璃衬底和阵列基板的透明电极层之间 的防止碱金属离子扩散的第二屏蔽层。
  5. 如权利要求4所述的触控显示装置，其特征在于，所述第二屏 蔽层形成在阵列基板的碱玻璃衬底面向对置基板的表面上。
  6. 如权利要求4所述的触控显示装置，其特征在于，还包括直接 形成在所述阵列基板的碱玻璃衬底的外表面上的下偏光层。
  7. 如权利要求4所述的触控显示装置，其特征在于，所述阵列基 板还包括栅绝缘层，所述第二屏蔽层为所述栅绝缘层。
  8. 如权利要求1～7中任一项所述的触控显示装置，其特征在于， 所述第一屏蔽层和第二屏蔽层的材料为透明的硅氧化物。
  9. 如权利要求1～7中任一项所述的触控显示装置，其特征在于， 所述第一屏蔽层和第二屏蔽层的厚度为100nm～360nm。
  10. 如权利要求1～7中任一项所述的触控显示装置，其特征在于， 所述对置基板的碱玻璃衬底背离所述阵列基板一侧的边缘形成为曲 面、斜面或球面。
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