WO2014190684A1 - 触摸面板及显示装置 - Google Patents

触摸面板及显示装置 Download PDF

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Publication number
WO2014190684A1
WO2014190684A1 PCT/CN2013/087383 CN2013087383W WO2014190684A1 WO 2014190684 A1 WO2014190684 A1 WO 2014190684A1 CN 2013087383 W CN2013087383 W CN 2013087383W WO 2014190684 A1 WO2014190684 A1 WO 2014190684A1
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WIPO (PCT)
Prior art keywords
touch
touch panel
substrate
electrodes
panel according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
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PCT/CN2013/087383
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English (en)
French (fr)
Inventor
赵利军
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BOE Technology Group Co Ltd
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BOE Technology Group Co Ltd
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Filing date
Publication date
Application filed by BOE Technology Group Co Ltd filed Critical BOE Technology Group Co Ltd
Priority to US14/351,716 priority Critical patent/US20150015517A1/en
Publication of WO2014190684A1 publication Critical patent/WO2014190684A1/zh
Anticipated expiration legal-status Critical
Priority to US15/783,639 priority patent/US20180039350A1/en
Ceased legal-status Critical Current

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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
    • G06F3/0443—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a single layer of sensing electrodes
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3234—Power saving characterised by the action undertaken
    • G06F1/325—Power saving in peripheral device
    • G06F1/3262—Power saving in digitizer or tablet
    • 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
    • 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 touch panel and a display device. Background technique
  • Capacitive touch screens can be divided into in-cell touch screens and plug-in touch screens.
  • the external touch screen is produced separately from the touch screen and then connected to form a liquid crystal display with touch function. Therefore, the external touch screen has high production cost, low light transmittance, thick module, etc. Disadvantages.
  • the in-cell touch panel is formed by embedding the touch electrodes of the touch screen in the interior of the liquid crystal display, thereby reducing the overall thickness of the module and greatly reducing the manufacturing cost of the touch screen.
  • in-cell touch panels are generally implemented by separately adding touch electrodes to existing array substrates and/or color film substrates.
  • it is necessary to separately fabricate touch electrodes on the array substrate and/or the color filter substrate.
  • the process steps of fabricating the touch drive electrodes and the touch sensing electrodes which are mutually insulated and intersected are added.
  • a process of fabricating a touch electrode on the inner side of a color filter substrate to realize an in-cell touch panel is generally completed in a process of fabricating a BM (black matrix), a R ⁇ G ⁇ B color film layer, and a PS (columnar spacer).
  • the BM black matrix
  • the touch sensing electrode adopt a two-layer structure, so the structure of the touch panel is relatively complicated, and the manufacturing process is relatively complicated and costly.
  • a touch panel in an embodiment of the present invention, includes a first substrate, a color film layer disposed on the first substrate, and the color film layer includes a plurality of color pixel units arranged in a matrix.
  • the first substrate further includes a plurality of touch sensing electrodes and a plurality of touch driving electrodes, wherein the touch The control sensing electrodes are disposed between adjacent color pixels of adjacent columns or adjacent rows, and have a light blocking function; the touch driving electrodes and the touch sensing electrodes are insulated from each other and are disposed at intersections, wherein the touch driving electrodes are A touch scan signal is applied during the touch phase, and a common electrode signal is applied during the display phase.
  • a display device including the above touch panel is provided.
  • FIG. 1 is a schematic cross-sectional view of a touch panel according to an embodiment of the present invention.
  • FIG. 2 is a schematic cross-sectional view of another touch panel according to an embodiment of the present invention.
  • FIG. 3 is a schematic structural diagram of a touch driving electrode and a touch sensing electrode in a touch panel according to an embodiment of the present disclosure
  • FIG. 4 is a schematic structural diagram of another touch driving electrode and a touch sensing electrode in a touch panel according to an embodiment of the present disclosure
  • FIG. 5 is a schematic diagram of an arrangement of a light bar and a touch sensing electrode in a touch panel according to an embodiment of the present invention
  • FIG. 6 is a schematic diagram of a touch sensing electrode group according to an embodiment of the invention.
  • FIG. 7 is a schematic diagram of a touch sensing electrode set provided with a floating electrode according to an embodiment of the present invention.
  • FIG. 8 is a top plan view of a pixel display unit provided with a metal reflective layer according to an embodiment of the present invention.
  • FIG. 9 is a top plan view showing a gap region between pixel display units adjacent to each other in a row direction covered by a metal reflective layer in a touch panel according to an embodiment of the present invention.
  • FIG. 10 is a schematic diagram showing the arrangement of touch sensing electrodes in a transflective display device according to an embodiment of the invention. detailed description
  • the embodiment of the invention provides a touch panel and a display device to solve the problems of complicated structure of the touch panel and complicated manufacturing process in the prior art.
  • the embodiment of the invention provides a touch panel, the touch panel includes a first substrate, a color film layer disposed on the first substrate, a plurality of touch sensing electrodes, and a plurality of touch driving electrodes, wherein the color film layer is disposed on the color film layer a plurality of color pixel units; the touch sensing electrodes are disposed between adjacent color pixel units and have a light blocking function; the touch driving electrodes are insulated from and intersect with the touch sensing electrodes, and the touch is applied during the touch phase The scan signal is applied with a common electrode signal during the display phase.
  • a touch panel provided by an embodiment of the present invention is described in detail by using a color film substrate having a color film layer as a first substrate.
  • the color film substrate includes a substrate 1, a touch sensing electrode 2, and a color film layer. 3 and the touch drive electrode 4, as shown in FIG.
  • the color film layer 3 includes a plurality of color pixel units arranged in a matrix, and the touch sensing electrodes 2 are disposed on a side of the color film layer 3 facing the village bottom 1 and disposed adjacent to the color film layer 3. Between color pixel units of a column or adjacent rows. Shown in this embodiment is the case between color pixel units of adjacent columns.
  • the touch driving electrode 4 is disposed on a side of the color film layer 3 facing away from the village bottom 1 and intersecting with the touch sensing electrode 2. Although the touch sensing electrode 2 and the touch driving electrode 4 are disposed on the opposite sides of the color film layer 3 in this embodiment, this is only for illustrative purposes and is not limited. In the embodiment of the present invention, the touch driving is performed. The electrode and the touch sensing electrode are insulated from each other and disposed at the same time.
  • the touch driving electrode 4 is applied with different signals at different stages, and a touch scanning signal is applied as a touch driving electrode in the touch phase, and a common electrode signal is applied as a common electrode in the display phase. That is, the touch driving electrode 4 can also function as a common electrode during the display phase, and it is not necessary to separately provide the common electrode.
  • the touch sensing electrode 2 is disposed between adjacent color pixel units and has a light blocking function, that is, the touch sensing electrode 2 has the function of the touch sensing electrode, and can also serve as a column direction between the color pixel units.
  • the black matrix strips are shaded to prevent light leakage, eliminating the need to separately set the black matrix strips in the column direction. Therefore, the embodiment of the present invention can reduce the structure and manufacturing process of the in-cell touch panel, saves cost, and is advantageous for thinning and thinning of the in-cell touch panel.
  • the driving control circuit of the color film substrate is provided with a common electrode signal input electrically connected to the common electrode Enter the line.
  • the touch driving electrode 4 is disposed at a position where the common electrode is required to be disposed on the color filter substrate. Therefore, in the embodiment of the present invention, the common electrode signal input line of the touch driving electrode 4 and the color filter substrate can be electrically connected. connection.
  • the common electrode signal input line in the color filter substrate is also used as the touch scan signal input line, that is, the touch scan signal input line of the touch drive electrode 4 of the touch screen in the touch phase, the touch control
  • the driving electrode 4 applies a touch scan signal; in the display stage, as a common electrode signal input line, a common electrode signal is applied to the touch driving electrode 4, thereby making the touch driving electrode 4 of the color film substrate have the function of the touch driving electrode function.
  • the utility model also has a common electrode function, so that the touch scan signal input line of the touch driving electrode is not separately designed.
  • the common electrode signal input line and the touch scan signal input line may be respectively disposed, and different signals are respectively applied to the touch driving electrode 4.
  • the touch sensing electrodes 2 are disposed between the color pixel units of adjacent columns and have a light blocking function. Therefore, the embodiment of the present invention preferentially selects an opaque conductive oxide or an opaque metal as a material of the touch sensing electrode, so that it can serve as a black matrix strip to shield light and a conductive function to serve as a touch sensing electrode.
  • the existing black matrix is not connected to the signal output line. Therefore, in the embodiment of the present invention, in order to facilitate the output of the touch signal and reduce the change of the structure of the existing color filter substrate, the touch signal output line may be separately set to
  • the touch sensing electrode 2 capable of being shielded is electrically connected, thereby outputting a touch sensing signal to perform touch position determination.
  • the touch scan signal input line of the touch driving electrode 4 and the touch signal output line corresponding to the touch sensing electrode 2 may be separately disposed on different layers of the color film substrate, and the touch signal may also be used.
  • the output line is set in the same layer as the touch scan signal input line to improve the product yield of the circuit design.
  • a touch sensing electrode and a touch driving electrode are disposed on a first substrate provided with a color film layer, and the touch sensing electrodes are disposed in adjacent rows or adjacent columns of color pixel units. It has a light-shielding function, which can function as a touch sensing electrode, and can also function as a black matrix strip instead of a row direction or a column direction; the touch driving electrode functions as a touch driving electrode during the touch period
  • the function of the in-cell touch panel is the same as that of the touch panel provided by the embodiment of the present invention.
  • the touch panel in the first embodiment will be described in detail in conjunction with the actual application, which is of course not limited.
  • the touch sensing electrode 2 and the touch driving electrode 4 are insulated from each other and disposed at intersection.
  • the touch panel provided by the second embodiment of the present invention may further be provided with a light shielding strip 5 on the first substrate. If the touch sensing electrode 2 is disposed between the color pixel units of adjacent columns, the light shielding strip 5 is The touch sensing electrodes 2 are disposed across each other and disposed between adjacent color pixel units. If the touch sensing electrodes 2 are disposed between adjacent color pixel units, the light shielding strips 5 intersect the touch sensing electrodes 2 Set, and set between color pixel units in adjacent columns for better shading.
  • the light shielding strip 5 provided in the embodiment of the present invention may be made of a black resin insulating material so that the light shielding strip 5 and the touch sensing electrode 2 can be disposed to cross each other without causing a short circuit.
  • the touch driving electrodes and the touch sensing electrodes provided in the embodiments of the present invention may be configured in various shapes according to actual conditions.
  • the touch driving electrodes may be strip electrode structures as shown in FIG. 3. If the distance between the touch driving electrode and the touch sensing electrode is small, in order to ensure that the size of the capacitor is in accordance with the touch requirement, a hollow structure may be disposed at a position where the touch driving electrode overlaps the touch sensing electrode, for example,
  • the hollow shape may be a slit shape or a hole shape as shown in FIG.
  • the touch driving electrode and the touch sensing electrode are disposed as a strip electrode structure, and the two are respectively disposed along the row direction and the column direction of the color pixel unit, for example, the touch driving electrode is The color sensing unit is disposed along the row direction of the color pixel unit, and the touch sensing electrodes are disposed along the column direction of the color pixel unit.
  • the touch sensing electrodes are strip electrode structures, the strip-shaped touch sensing electrodes are disposed between adjacent color pixel units in the column direction, and the light shielding strips are disposed adjacent to each other in the row direction. Between the color pixel units, as shown in Figure 5.
  • the touch sensing electrodes, the touch driving electrodes, and the light shielding strips may be disposed in other manners, which are not limited in the embodiment of the present invention.
  • a certain number of strip touch sensing electrodes disposed in different columns may be connected in parallel to form a touch sensing electrode group 20, as shown in FIG. Show.
  • floating electrodes 6 may be disposed between adjacent touch sensing electrode groups, as shown in FIG. The number of the floating electrodes 6 can be determined as needed, and in the embodiment of the present invention, for example, 3 to 5. By floating or grounding the floating electrode 6, the electrical coupling between adjacent touch sensing electrode groups can be avoided.
  • the first substrate is further provided with a light shielding strip, which can further prevent light leakage, and the shape and arrangement of the touch driving electrode and the touch sensing electrode. It can be flexibly set to further enroll the production process and improve product yield.
  • the embodiment of the present invention is described by taking a transflective display panel as an example, and is not limited thereto.
  • the color filter substrate in the transflective display panel provided by the embodiment of the present invention has the same structure as that of the first embodiment or the second embodiment, and the embodiment of the present invention only explains the difference.
  • the touch panel provided by the embodiment of the present invention further includes a second substrate disposed opposite to the first substrate.
  • the second substrate in this embodiment may be an array substrate, and a schematic view of the array substrate is as shown in FIG. 8.
  • the transflective display device is provided with a metal reflective layer 7 in the reflective region of the pixel display unit to reflect light.
  • a gate line 8 and a data line 9 are also disposed on the second substrate.
  • the metal reflective layer 7 is partially covered in a partial region between adjacent pixel display units in the column direction, as shown in FIG. 9, covering pixel display units adjacent in the column direction.
  • the metal reflective layer 7 between the partial regions can prevent light leakage from the covered portion thereof, and the gate lines 8 are disposed at the gaps between the reflective metal layers 7 in the pixel display units of the adjacent two rows, so that pixels of adjacent two rows can be The light leaking out at the gap between the reflective metal layers 7 in the display unit is occluded, and in the embodiment of the invention, the light-shielding strips for light-shielding may not be disposed between the adjacent color pixel units.
  • the touch sensing electrode 2 having the light shielding function in the embodiment of the present invention can be disposed between the adjacent color pixel units of the column, and has the same light leakage preventing function as the black matrix strip, and is prevented from being emitted through the color film layer.
  • Light mixing as shown in Figure 10.
  • the touch sensing electrodes for shielding light need to be disposed between the adjacent color pixel units of the column.
  • the function of the touch sensing electrode can be used, and the black matrix strip can be used instead of the row direction or the column direction; the touch driving electrode functions as the touch driving electrode during the touch period, and plays during the display phase.
  • the role of the common electrode thereby squeezing the structure and manufacturing process of the in-cell touch panel by the touch panel of the embodiment of the present invention.
  • the touch driving electrodes and the touch sensing electrodes may be disposed in different layers, for example, may be disposed on both sides of the color film layer to better insulate the two.
  • the touch sensing electrodes may be disposed in the column direction of the color pixel unit. Therefore, in order to implement the touch function, the touch driving electrodes may be disposed along the row direction of the color pixel unit and disposed in a different layer from the touch sensing electrodes.
  • the transmissive area and the reflective area disposed on the second substrate can realize the transflective mode
  • the metal reflective layer disposed in the reflective area partially covers the pixel display adjacent in the column direction.
  • the gap area between the cells can realize the shading function in the row direction.
  • the fourth embodiment of the present invention further provides a display device, which includes the touch panel described in Embodiment 1, Embodiment 2 or Embodiment 3.
  • the display device provided in the fourth embodiment of the present invention it is only necessary to provide a touch sensing electrode having a light blocking effect and a touch driving electrode capable of applying different signals at different stages on the first substrate provided with the color film layer.
  • part or all of the light-shielding strips may be omitted, the structure and the manufacturing process of the in-cell touch screen are integrated, and the touch function and the transflective mode can be realized, thereby saving power consumption. .
  • the touch sensing electrode and the touch driving electrode are disposed on the first substrate provided with the color film layer.
  • the touch sensing electrodes are disposed between adjacent color pixel units and have a light blocking function.
  • the touch driving electrodes are applied with a touch scan signal during the touch phase, and a common electrode signal is applied during the display phase.

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Liquid Crystal (AREA)
  • Position Input By Displaying (AREA)

Abstract

一种触摸面板及显示装置，该触摸面板包括：第一基板，所述第一基板上设置有彩膜层，所述彩膜层包括呈矩阵排列的多个彩色像素单元，所述第一基板还包括多个触控感应电极和多个触控驱动电极，其中，所述触控感应电极设置在相邻列或相邻行的彩色像素单元之间，并且具有遮光功能；所述触控驱动电极与所述触控感应电极相互绝缘并交叉设置，所述触控驱动电极在触控阶段被施加触控扫描信号，而在显示阶段被施加公共电极信号。上述触摸面板简化了内嵌式触摸屏的结构和制作工艺。

Description

触摸面板及显示装置 技术领域
本发明的实施例涉及一种触摸面板及显示装置。 背景技术
触摸屏作为一种新的人机交互设备， 越来越受到关注。 现有的触摸屏大 多采用电容式触摸屏。电容式触摸屏可以分为内嵌式触摸屏和外挂式触摸屏。
外挂式触摸屏是将触摸屏与液晶显示屏分开生产， 然后贴合到一起而成 为具有触摸功能的液晶显示屏， 因此外挂式触摸屏存在制作成本较高、 光透 过率较低、 模组较厚等缺点。 内嵌式触摸屏是通过将触摸屏的触控电极内嵌 在液晶显示屏的内部而形成， 因此可以减薄模组整体的厚度， 又可以大大降 低触摸屏的制作成本。
目前， 内嵌式触摸屏一般是通过在现有的阵列基板和 /或彩膜基板上单独 增加触控电极而实现的。 在进行内嵌式触摸屏的制作时， 需要在阵列基板和 / 或彩膜基板上单独制作触控电极。 具体而言， 在完成阵列基板和 /或彩膜基板 的相关制作工艺的基础上， 增加制作相互绝缘并交叉设置的触控驱动电极和 触控感应电极的工艺步骤。 例如， 在彩膜基板的内侧制作触控电极以实现内 嵌式触摸屏的工艺一般是在制作 BM (黑矩阵） 、 R\G\B彩膜层、 PS (柱状 隔垫物）等的工艺完成的基础上，增加触控驱动电极和触控感应电极的制作， 因此制作流程长。
在上述内嵌式触摸屏的结构设计中， BM (黑矩阵）和触控感应电极采 用两层结构， 因此触摸面板的结构相对复杂， 同时制作工艺也相对复杂， 成 本较高。 发明内容
在本发明的一个实施例中， 提供一种触摸面板， 其包括第一基板， 所述 第一基板上设置有彩膜层,所述彩膜层包括呈矩阵排列的多个彩色像素单元， 所述第一基板还包括多个触控感应电极和多个触控驱动电极， 其中， 所述触 控感应电极设置在相邻列或相邻行的彩色像素单元之间，并且具有遮光功能； 所述触控驱动电极与所述触控感应电极相互绝缘并交叉设置， 所述触控驱动 电极在触控阶段被施加触控扫描信号， 而在显示阶段被施加公共电极信号。
在本发明的另一个实施例中，提供一种显示装置，其包括上述触摸面板。 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触摸面板的截面示意图；
图 2为本发明实施例提供的另一种触摸面板的截面示意图；
图 3为本发明实施例提供的触摸面板中触控驱动电极与触控感应电极的 结构示意图；
图 4为本发明实施例提供的触摸面板中另一种触控驱动电极与触控感应 电极的结构示意图；
图 5为本发明实施例提供的触摸面板中遮光条与触控感应电极的排列示 意图；
图 6为本发明实施例提供的触控感应电极组的示意图；
图 7 为本发明实施例提供的设置有浮置电极的触控感应电极组的示意 图；
图 8为本发明实施例提供的设置有金属反射层的像素显示单元的俯视示 意图；
图 9为本发明实施例提供的触摸面板中金属反射层覆盖的在行方向上相 邻的像素显示单元之间的间隙区域的俯视示意图； 以及
图 10 为本发明实施例提供的半透半反显示装置中触控感应电极的排列 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。
本发明实施例提供一种触摸面板及显示装置， 以解决现有技术中触摸面 板结构复杂、 制造工艺复杂等问题。
实施例一
本发明实施例提供一种触摸面板， 该触摸面板包括第一基板以及设置在 第一基板上的彩膜层、 多个触控感应电极和多个触控驱动电极， 其中， 彩膜 层上设置多个彩色像素单元；触控感应电极设置在相邻的彩色像素单元之间， 并具有遮光功能； 触控驱动电极， 与触控感应电极相互绝缘并交叉设置， 在 触控阶段被施加触控扫描信号， 在显示阶段被施加公共电极信号。
本发明实施例一以具有彩膜层的彩膜基板作为第一基板为例对本发明实 施例提供的触摸面板进行详细说明，该彩膜基板包括村底 1、触控感应电极 2、 彩膜层 3和触控驱动电极 4, 如图 1所示。 在图 1中， 彩膜层 3包括呈矩阵 排列的多个彩色像素单元， 触控感应电极 2设置于彩膜层 3面向村底 1的一 侧， 并设置在彩膜层 3上的相邻列或相邻行的彩色像素单元之间。 本实施例 中示出的为在相邻列的彩色像素单元之间的情况。 触控驱动电极 4设置于彩 膜层 3背向村底 1的一侧， 与触控感应电极 2交叉设置。 虽然在本实施例中 将触控感应电极 2和触控驱动电极 4设置于彩膜层 3的异侧， 但是这只是进 行示意性说明， 并不做限定， 在本发明实施例中触控驱动电极与触控感应电 极相互绝缘并交叉设置即可。
在本发明实施例中， 触控驱动电极 4在不同的阶段被施加不同的信号， 在触控阶段作为触控驱动电极被施加触控扫描信号， 在显示阶段作为公共电 极被施加公共电极信号， 即触控驱动电极 4在显示阶段还可充当公共电极， 无需单独设置公共电极。 触控感应电极 2设置在相邻彩色像素单元之间， 并 具有遮光功能， 即触控感应电极 2在具有触控感应电极功能的基础上， 还可 充当彩色像素单元之间的列方向上的黑矩阵条， 进行遮光以防止漏光， 无需 单独设置列方向上的黑矩阵条。 因此， 本发明实施例能够筒化内嵌式触摸屏 的结构和制作工艺， 节约了成本， 有利于内嵌式触摸屏的轻薄化。
彩膜基板的驱动控制电路上设置有与公共电极电连接的公共电极信号输 入线。 在本发明实施例中， 在彩膜基板的需要设置公共电极的位置处设置触 控驱动电极 4, 因此本发明实施例中可将触控驱动电极 4与彩膜基板的公共 电极信号输入线电连接。 以这种方式， 将彩膜基板中的公共电极信号输入线 兼用作触控扫描信号输入线， 即， 在触控阶段作为触摸屏的触控驱动电极 4 的触控扫描信号输入线， 向触控驱动电极 4施加触控扫描信号； 在显示阶段 作为公共电极信号输入线， 向触控驱动电极 4施加公共电极信号， 进而使得 彩膜基板的触控驱动电极 4在具有触控驱动电极功能的基础上还具有公共电 极功能， 从而无需单独设计触控驱动电极的触控扫描信号输入线。 当然， 在 本发明实施例中，也可分别设置公共电极信号输入线和触控扫描信号输入线， 并分别向触控驱动电极 4施加不同的信号。
在本发明实施例中， 触控感应电极 2设置在相邻列的彩色像素单元之间 并具有遮光功能。 因此， 本发明实施例优先选择不透明的导电氧化物或者不 透明的金属作为触控感应电极的材料,使其既能充当黑矩阵条起到遮光作用， 又具有导电功能以充当触控感应电极。 现有的黑矩阵并不连接信号输出线， 因此， 在本发明实施例中为了方便触控信号的输出并减少对现有的彩膜基板 结构的改变， 可单独设置触控信号输出线以与能够进行遮光的触控感应电极 2进行电连接， 由此输出触控感应信号， 进行触摸位置确定。
在本发明实施例中， 可以在彩膜基板的不同层上单独布置触控驱动电极 4的触控扫描信号输入线和触控感应电极 2对应的触控信号输出线， 也可将 触控信号输出线与触控扫描信号输入线同层设置， 以提高电路设计的产品良 率。
在本发明实施例提供的触摸面板中， 在设置有彩膜层的第一基板上设置 触控感应电极以及触控驱动电极， 触控感应电极设置在相邻行或相邻列的彩 色像素单元之间并具有遮光功能， 既可以起到触控感应电极的作用， 又可以 起到代替行方向或列方向的黑矩阵条遮光的作用； 触控驱动电极在触控时段 起到触控驱动电极的作用， 在显示阶段起到公共电极的作用， 从而通过本发 明实施例提供的触摸面板筒化了内嵌式触摸屏的结构和制作工艺。
实施例二
本发明实施例二将结合实际应用对实施例一中的触摸面板进行详细说 明， 当然并不引以为限。 如图 2所示， 在本发明实施例中， 为实现触控功能， 触控感应电极 2和 触控驱动电极 4相互绝缘并交叉设置。 另外， 为了防止漏光， 本发明实施例 二提供的触摸面板在第一基板上还可设置遮光条 5, 若触控感应电极 2设置 在相邻列的彩色像素单元之间， 则遮光条 5与触控感应电极 2交叉设置， 且 设置在相邻行的彩色像素单元之间； 若触控感应电极 2设置在相邻行的彩色 像素单元之间， 则遮光条 5与触控感应电极 2交叉设置， 且设置在相邻列的 彩色像素单元之间， 以更好地遮光。
例如， 本发明实施例中设置的遮光条 5可以由黑色树脂绝缘材料制成， 使得遮光条 5和触控感应电极 2可交叉设置， 不会造成短路。
此外， 本发明实施例提供的触控驱动电极和触控感应电极可根据实际情 况设置成多种形状，例如，触控驱动电极可以是如图 3所示的条状电极结构。 如果触控驱动电极和触控感应电极之间的距离较小， 为了保证触摸时电容的 大小符合触摸的要求， 可以在触控驱动电极与触控感应电极重叠的位置上设 置镂空结构， 例如， 镂空形状可以为狭缝状或孔状， 如图 4所示。
在本发明实施例中， 例如， 将触控驱动电极和触控感应电极设置为条状 电极结构， 并使二者分别沿彩色像素单元的行方向和列方向设置， 例如， 将 触控驱动电极沿彩色像素单元的行方向设置， 而将触控感应电极沿彩色像素 单元的列方向设置。在本发明实施例中， 当触控感应电极为条状电极结构时， 将条状的触控感应电极设置在列方向上相邻的彩色像素单元之间， 将遮光条 设置在行方向上相邻的彩色像素单元之间， 如图 5所示。 当然， 本发明实施 例中， 触控感应电极、 触控驱动电极以及遮光条也可是其他方式设置， 本发 明实施例不做限定。
为实现触摸位置的精确确定， 增大触控信号的强度， 可将一定数量的、 设置在不同列的条状触控感应电极并联连接而组合为一个触控感应电极组 20 , 如图 6所示。 在本发明实施例中， 为避免相邻的触控感应电极组之间电 耦合， 可以在相邻的触控感应电极组之间设置浮置电极 6, 如图 7所示。 浮 置电极 6的条数可以根据需要而定， 在本发明实施例中， 例如为 3至 5条。 将浮置电极 6悬空或者接地，即可避免相邻的触控感应电极组之间的电耦合。
在本发明实施例二提供的触摸面板中， 第一基板上还设置有遮光条， 能 够进一步防止漏光， 并且触控驱动电极和触控感应电极的形状以及排列方式 可灵活设置， 进一步筒化了制作工艺， 并提高产品良率。
实施例三
本发明实施例以半透半反显示面板为例进行说明， 并不引以为限。 本发 明实施例提供的半透半反显示面板中的彩膜基板具有与实施例一或实施例二 相同的结构， 本发明实施例仅就其不同之处进行说明。
本发明实施例提供的触摸面板还包括与第一基板相对设置的第二基板， 本实施例中的第二基板可以是阵列基板， 阵列基板的示意图如图 8所示。 在 第二基板上形成有与第一基板上呈矩阵排列的彩色像素单元的排列方式相同 的呈矩阵排列的若干个像素显示单元， 在每个像素显示单元内设置有反射区 和透射区， 反射区围设在透射区的周围， 形成半透半反显示装置， 半透半反 显示装置中在像素显示单元的反射区内设置有金属反射层 7, 能够对光进行 反射。 在第二基板上还设置有栅线 8和数据线 9。
在本发明实施例中， 例如， 将金属反射层 7部分覆盖在列方向上相邻的 像素显示单元之间的部分区域， 如图 9所示， 覆盖了在列方向上相邻的像素 显示单元之间的部分区域的金属反射层 7能够防止其覆盖部分漏光， 栅线 8 设置在相邻两行的像素显示单元中反射金属层 7之间的间隙处， 因此可以对 相邻两行的像素显示单元中反射金属层 7之间的间隙处漏出的光进行遮挡， 进而本发明实施例中相邻行的彩色像素单元之间可不设置用于遮光的遮光 条。
另外， 本发明实施例中具有遮光功能的触控感应电极 2可设置在相邻列 的彩色像素单元之间， 起到与黑矩阵条相同的防止漏光功能， 并防止经过彩 膜层发射出的光混色， 如图 10所示。
在本发明实施例中， 在设置有彩膜层的第一基板上无需设置用于遮光的 遮光条,仅需要在相邻列的彩色像素单元之间设置用于遮光的触控感应电极， 既可以起到触控感应电极的作用， 又可以起到代替行方向或列方向的黑矩阵 条遮光的作用； 触控驱动电极在触控时段起到触控驱动电极的作用， 在显示 阶段起到公共电极的作用， 从而通过本发明实施例的触摸面板筒化了内嵌式 触摸屏的结构和制作工艺。
在本发明实施例中， 可将触控驱动电极与触控感应电极异层设置， 例如 可以设置于彩膜层的两侧， 以使二者更好的绝缘。 此外， 在本发明实施例中， 为了防止彩膜混色， 触控感应电极可以设置在彩色像素单元的列方向上。 因 此， 为实现触控功能， 本发明实施例可以将触控驱动电极沿彩色像素单元的 行方向设置， 并与触控感应电极异层设置。
在本发明实施例提供的触摸面板中， 第二基板上设置的透射区和反射区 能够实现半透半反模式， 并且反射区中设置的金属反射层部分覆盖在列方向 上相邻的像素显示单元之间的间隙区域， 能够实现在行方向上的遮光功能， 通过反射金属层和触控感应电极的配合， 可以完全省略遮光条（或称为黑矩 阵条） 的制作。 因此， 在实现半透半反模式以节省功耗的同时， 筒化了内嵌 式触摸屏的结构和制作工艺， 还可以实现触摸显示屏的轻薄化。
实施例四
本发明实施例四还提供了一种显示装置， 该显示装置包括实施例一、 实 施例二或实施例三中所述的触摸面板。
在本发明实施例四提供的显示装置中， 只需在设置有彩膜层的第一基板 上设置具有遮光作用的触摸感应电极以及能够在不同阶段被施加不同信号的 触控驱动电极。 此外， 本发明实施例中还可省略部分或全部遮光条的制作， 筒化了内嵌式触摸屏的结构和制作工艺， 同时还可以实现触控功能和半透半 反模式， 从而可以节省功耗。
在本发明实施例一、 实施例二和实施例三提供的触摸面板以及实施例四 提供的显示装置中， 在设置有彩膜层的第一基板上设置触控感应电极以及触 控驱动电极，触控感应电极设置在相邻的彩色像素单元之间并具有遮光功能， 触控驱动电极在触控阶段被施加触控扫描信号， 在显示阶段被施加公共电极 信号。 通过采用本发明实施例的设计， 可以部分省略或完全省略遮光条（或 称为黑矩阵条）的制作，从而筒化了内嵌式触摸屏的结构和制作工艺。 同时， 通过采用设置有金属反射层的结构来实现半透半反模式， 可以达到节省功耗 的效果。
以上实施例仅用以说明本发明的技术方案， 而非对其限制； 尽管参照前 述实施例对本发明进行了详细的说明， 本领域的普通技术人员应当理解： 其 依然可以对前述各实施例所记载的技术方案进行修改， 或者对其中部分技术 特征进行等同替换； 而这些修改或者替换， 并不使相应技术方案的本质脱离 本发明各实施例的技术方案的精神和范围。

Claims

权利要求书
1、 一种触摸面板， 包括第一基板， 所述第一基板上设置有彩膜层， 所述 彩膜层包括呈矩阵排列的多个彩色像素单元， 所述第一基板还包括多个触控 感应电极和多个触控驱动电极， 其中，
所述触控感应电极设置在相邻列或相邻行的彩色像素单元之间， 并且具 有遮光功能； 以及
所述触控驱动电极与所述触控感应电极相互绝缘并交叉设置， 所述触控 驱动电极在触控阶段被施加触控扫描信号， 而在显示阶段被施加公共电极信 号。
2、根据权利要求 1所述的触摸面板， 其中， 所述触控感应电极为不透明 的导电氧化物材料或不透明的导电金属材料。
3、根据权利要求 1或 2所述的触摸面板， 其中， 所述第一基板上还设置 有遮光条， 所述遮光条设置于除设置有所述触控感应电极之外的相邻行或相 邻列的所述彩色像素单元之间。
4、根据权利要求 3所述的触摸面板， 其中， 所述遮光条为黑色树脂绝缘 材料。
5、根据权利要求 3所述的触摸面板， 其中， 所述第一基板上相邻的触控 感应电极之间还设置有浮置电极。
6、根据权利要求 1或 2所述的触摸面板， 其中， 所述触摸面板还包括与 所述第一基板相对设置的第二基板， 所述第二基板上形成有与所述彩色像素 单元的排列方式相同的多个像素显示单元， 在每个像素显示单元内设置有透 射区和反射区， 所述反射区内设置有金属反射层， 所述反射区围设在所述透 射区的周围。
7、根据权利要求 6所述的触摸面板， 其中， 所述金属反射层覆盖在列方 向上相邻的所述像素显示单元之间的部分区域。
8、根据权利要求 7所述的触摸面板， 其中， 所述触控感应电极设置在相 邻列的所述彩色像素单元之间。
9、根据权利要求 5或 8所述的触摸面板， 其中， 所述触控驱动电极与所 述触控感应电极异层设置， 并沿所述彩色像素单元的行方向设置。 、 一种显示装置， 包括权利要求 1至 9中任一项所述的触摸面板。
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