WO2016045240A1 - 触控显示面板及其制作方法、驱动方法、触控显示装置 - Google Patents

触控显示面板及其制作方法、驱动方法、触控显示装置 Download PDF

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Publication number
WO2016045240A1
WO2016045240A1 PCT/CN2015/070027 CN2015070027W WO2016045240A1 WO 2016045240 A1 WO2016045240 A1 WO 2016045240A1 CN 2015070027 W CN2015070027 W CN 2015070027W WO 2016045240 A1 WO2016045240 A1 WO 2016045240A1
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WIPO (PCT)
Prior art keywords
touch
touch electrode
electromagnetic
display panel
capacitive
Prior art date
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Ceased
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PCT/CN2015/070027
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English (en)
French (fr)
Inventor
杨盛际
董学
王海生
刘英明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BOE Technology Group Co Ltd
Beijing BOE Optoelectronics Technology Co Ltd
Original Assignee
BOE Technology Group Co Ltd
Beijing BOE Optoelectronics Technology Co Ltd
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Publication date
Application filed by BOE Technology Group Co Ltd, Beijing BOE Optoelectronics Technology Co Ltd filed Critical BOE Technology Group Co Ltd
Priority to US14/769,383 priority Critical patent/US9690435B2/en
Publication of WO2016045240A1 publication Critical patent/WO2016045240A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • 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
    • G06F3/046—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by electromagnetic means
    • 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
    • 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
    • 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
    • G06F3/0446—Digitisers, 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F2203/04106—Multi-sensing digitiser, i.e. digitiser using at least two different sensing technologies simultaneously or alternatively, e.g. for detecting pen and finger, for saving power or for improving position detection

Definitions

  • the present disclosure relates to the field of display technologies, and in particular, to a touch display panel having an electromagnetic touch function and a capacitive touch function, a manufacturing method thereof, a driving method, and a touch display device.
  • the current electromagnetic touch panels generally adopt a back-attached electromagnetic antenna board, which is composed of horizontally and vertically staggered metal wires.
  • the thickness of the electromagnetic antenna board is thick and non-transparent, so it can only be attached to the liquid crystal display mode.
  • the back-attached structure has a liquid crystal display module between the electromagnetic pen and the antenna plate during the touch process. Therefore, in order to achieve smooth touch, it is necessary to increase the electromagnetic signal strength of the electromagnetic stylus, which leads to electromagnetic contact. The increase in the power consumption of the pen has shortened the use time of the electromagnetic stylus.
  • the present disclosure provides a touch display panel, a method for manufacturing the same, a driving method, and a touch display device.
  • the touch display panel has an electromagnetic touch function and a capacitive touch function, and can simultaneously or separately implement electromagnetic touch and capacitive touch.
  • the production cost and the power consumption of the touch display panel can be reduced, and the touch display device can be thinned.
  • An embodiment of the present disclosure provides a touch display panel including a first substrate and a second substrate, the first substrate including a glass substrate;
  • the touch display panel may further include:
  • a first electromagnetic touch electrode disposed on a side of the glass substrate away from the second substrate
  • An insulating layer disposed on the first electromagnetic touch electrode
  • a protective layer disposed on the second electromagnetic touch electrode and the capacitive touch electrode
  • a polarizer disposed on the protective layer.
  • the first electromagnetic touch electrode and the second electromagnetic touch electrode are strip electrodes.
  • each of the first electromagnetic touch electrodes is parallel to each other, and each of the second electromagnetic touch electrodes is parallel to each other;
  • the first electromagnetic touch electrode and the second electromagnetic touch electrode are vertically insulated from each other.
  • the capacitive touch electrode is composed of a plurality of capacitive touch electrode line groups arranged in a predetermined order, and there is a gap between the different capacitive touch electrode line groups.
  • the capacitive touch electrode line resistance is a triangular pattern.
  • the capacitive touch electrode determines touch point position information based on the capacitive touch electrode line group information and the touch sensing capacitance intensity at a position where the touch point is located.
  • the plurality of triangular patterns of capacitive touch electrode line groups are formed by intersecting and arranging, and there is a gap at the docking.
  • a capacitive touch electrode line group is composed of a plurality of capacitive touch electrode lines extending in the same direction;
  • One end of the capacitive touch electrode line included in the capacitive touch electrode line group is electrically connected.
  • the number of capacitive touch electrode lines included in each capacitive touch electrode line group is the same.
  • the second electromagnetic touch electrode is spaced apart from the capacitive touch electrode line.
  • a second electromagnetic touch electrode located between the two capacitive touch electrode lines is wired in a fold line manner.
  • the first substrate is a color film substrate
  • the second substrate is an array substrate.
  • a black matrix and a color film layer are disposed on a side of the first substrate adjacent to the second substrate.
  • the first electromagnetic touch electrode, the second electromagnetic touch electrode, and the capacitive touch electrode are made of a transparent conductive material.
  • the embodiment of the present disclosure further provides a method for fabricating a touch display panel.
  • the touch display panel may include a first substrate and a second substrate, and the first substrate includes a glass substrate.
  • the method includes:
  • a second electromagnetic touch electrode pattern and a capacitive touch electrode pattern are formed on the insulating layer, and the second electromagnetic touch electrode is cross-insulated with the first electromagnetic touch electrode;
  • a polarizer is formed on the protective layer.
  • the first electromagnetic touch electrode, the second electromagnetic touch electrode, and the capacitive touch electrode are made of a transparent conductive material.
  • the embodiment of the present disclosure further provides a touch display panel driving method, which is used to drive the touch display panel provided by the embodiment of the present disclosure;
  • the method includes:
  • the electromagnetic touch electrodes and the capacitive touch electrodes disposed in the touch display panel are synchronously loaded with corresponding driving signals, so that the touch display panel simultaneously realizes electromagnetic touch detection and capacitive touch. Control detection.
  • the embodiment of the present disclosure further provides a touch display panel driving method, which is used to drive the touch display panel provided by the embodiment of the present disclosure;
  • the method includes:
  • the corresponding touch driving signal is applied to the electromagnetic touch electrode or the capacitive touch electrode disposed in the touch display panel, so that the touch display panel realizes electromagnetic touch during the touch detection phase.
  • the embodiment of the present disclosure further provides a touch display device, which may include the touch display panel provided by the embodiment of the present disclosure.
  • the touch display panel provided by the embodiment of the present disclosure and the manufacturing method thereof, a driving method and a touch display device, wherein a first electromagnetic touch electrode is disposed on a side of the glass substrate of the first substrate away from the second substrate in the touch display panel; an insulating layer is disposed on the first touch electrode; A second electromagnetic touch electrode and a capacitive touch electrode are disposed on the insulating layer, and the second electromagnetic touch electrode is insulated from the first electromagnetic touch electrode; A protective layer is disposed on the electrode and the capacitive touch electrode; and a polarizer is disposed on the protective layer.
  • the touch display panel has an electromagnetic touch function and a capacitive touch function, and the electromagnetic touch and the capacitive touch can be realized simultaneously or separately, and the production cost and the power consumption of the touch display panel can be reduced, and the touch display is realized.
  • the device is thinned.
  • FIG. 1 is a schematic structural diagram 1 of a touch display panel according to an embodiment of the present disclosure
  • FIG. 2 is a second schematic structural diagram of a touch display panel according to an embodiment of the present disclosure.
  • FIG. 3 is a schematic structural diagram 3 of a touch display panel according to an embodiment of the present disclosure.
  • FIG. 4 is a schematic diagram of a principle of implementing electromagnetic touch by a touch display panel according to an embodiment of the present disclosure
  • FIG. 5 is a schematic diagram 1 of an electrode structure in a touch display panel according to an embodiment of the present disclosure
  • FIG. 6 is a second schematic structural diagram of an electrode in a touch display panel according to an embodiment of the present disclosure.
  • FIG. 7 is a third schematic structural diagram of an electrode in a touch display panel according to an embodiment of the present disclosure.
  • FIG. 8 is a schematic flow chart of a method for fabricating a touch display panel according to an embodiment of the present disclosure.
  • the first embodiment of the present invention includes a first substrate 1 and a second substrate 2, wherein the first substrate 1 includes a glass substrate 11;
  • the touch display panel may further include:
  • the first electromagnetic touch electrode 12 disposed on the side of the glass substrate 11 away from the second substrate 2;
  • the second electromagnetic touch electrode 14 and the capacitive touch electrode 15 are disposed on the insulating layer 13 and are insulated from each other by the second electromagnetic touch electrode 14 and the first electromagnetic touch electrode 12;
  • a protective layer 16 disposed on the second electromagnetic touch electrode 14 and the capacitive touch electrode 15;
  • the polarizer 17 is disposed on the protective layer 16.
  • the touch display panel provided by the embodiments of the present disclosure has an electromagnetic touch function and a capacitive touch function, which can realize the perfect combination of the original handwriting electromagnetic touch and the high sensitivity capacitive touch, and can realize electromagnetic touch simultaneously or separately. And capacitive touch, improve the practicality and ease of use of the touch display panel, and enhance the product competitiveness of the touch display device.
  • the touch display panel provided by the embodiment of the present disclosure has a functional device that implements electromagnetic touch and capacitive touch on the outer side of the first substrate relative to the second substrate, that is, the touch display panel adopts a cover surface type ( The process of On Cell) realizes the front-end of the touch detection device.
  • This structure can reduce the thickness of the touch display panel, reduce the thickness of the touch display device, and avoid the display mode.
  • the influence of the group (LCM, including the first substrate and the second substrate) on the touch detection improves the sensitivity and accuracy of the touch detection, and reduces the electromagnetic signal strength of the electromagnetic touch device (such as an electromagnetic stylus) , thereby reducing the power consumption of the touch display panel.
  • the second electromagnetic touch electrode 14 for implementing the electromagnetic touch function is insulated from the same layer of the capacitive touch electrode 15 for implementing the capacitive touch function.
  • the pattern of the person can be simultaneously produced without adding an unnecessary mask (MASK) exposure process, thereby saving the production cost of the touch display panel.
  • the embodiment of the present disclosure provides The touch display panel is provided with an On Cell structure to form a corresponding touch electrode pattern on the glass substrate 11 of the first substrate 1. This process can also significantly reduce the touch display panel. Production costs.
  • the first electromagnetic touch electrode 12 and the second electromagnetic touch electrode 14 in the embodiment of the present disclosure may specifically be strip electrodes, and the first electromagnetic touch electrode 12 and the second electromagnetic touch An insulating layer 13 (shown in FIG. 1 ) is disposed between the electrodes 14 to prevent a short circuit between the first electromagnetic touch electrode 12 and the second electromagnetic touch electrode 14 .
  • the first electromagnetic touch electrodes 12 and the second electromagnetic touch electrodes 14 may be vertically intersected, wherein the first electromagnetic touch electrodes 12 are used for electromagnetic touch generation.
  • the first axis coordinate electrode 14 is used to determine the horizontal axis coordinate information of the touch point, that is, the X axis coordinate information, thereby determining the position of the touch point where the electromagnetic touch occurs. information.
  • the electromagnetic touch control device of the present disclosure may specifically be a touch device such as an electromagnetic stylus that touches a region where the display module is located in the touch display panel. Then, when the touch device such as the electromagnetic stylus approaches or touches the surface of the display module in the touch display panel and slides, the electromagnetic wave generated by the electromagnetic stylus cuts the first electromagnetic touch electrode 12 and the second electromagnetic The electromagnetic field formed at the intersection of the touch electrodes 14 generates an induced electromotive force, and the closer to the position of the electromagnetic stylus, the stronger the induced electromotive force at the position, thereby generating an induced current.
  • a touch device such as an electromagnetic stylus that touches a region where the display module is located in the touch display panel. Then, when the touch device such as the electromagnetic stylus approaches or touches the surface of the display module in the touch display panel and slides, the electromagnetic wave generated by the electromagnetic stylus cuts the first electromagnetic touch electrode 12 and the second electromagnetic The electromagnetic field formed at the intersection of the touch electrodes 14 generates an induced electromotive force, and the closer to the position
  • the induced current is transmitted to the amplifier circuit, the filter circuit, the sampling circuit, and the analog conversion digital circuit (not shown in the above-mentioned circuit diagram, which may be implemented by using a mature and reliable corresponding device in the embodiment of the present disclosure), and then transmitted to
  • the processor is a chip (not shown in the drawing), and the coordinate information, that is, the position information of the touch point where the electromagnetic touch occurs, is determined according to the calculation result of the processor.
  • the schematic diagram of the electromagnetic touch according to the embodiment of the present disclosure can be as shown in FIG. 4, assuming two first electromagnetic touch electrodes Y1 and Y2 in the longitudinal direction (here, two are taken as an example, and actually there are multiple) The two are separated by a second electromagnetic touch electrode X1 in the X direction, which is equivalent to a resistor Rx having a corresponding resistance value connected between two nodes of Y1 and Y2, when the electromagnetic stylus is in the first electromagnetic touch When the electrode Y1 slides between the electrode Y1 and the first electromagnetic touch electrode Y2, an induced electromotive force V is generated (P in FIG.
  • the magnitude of the potential vector received by the two first electromagnetic touch electrodes Y1 and Y2 is equivalent to sliding
  • the position of the dynamic resistance arrow is represented by the position between the resistors RX, thereby determining which of the first electromagnetic touch electrodes 12 generates an induced electromotive force V, and the corresponding induced current value is larger, the processor
  • the first electromagnetic induction electrode 12 corresponding to the maximum induced current can be determined as the Y-axis touch position of the touch point of the electromagnetic stylus, and the Y-axis coordinate information of the touch point where the electromagnetic touch occurs is determined.
  • the information of the second electromagnetic touch electrode 14 that is the touch point of the electromagnetic touch can be determined, thereby determining the X-axis and Y-axis coordinate information of the touch point where the electromagnetic touch occurs, thereby Determine the final coordinate position of the touch point.
  • a touch display panel has an electromagnetic touch function and a capacitive touch function.
  • the capacitive touch electrode 15 is insulated from the second electromagnetic touch electrode 14
  • the second electromagnetic touch electrode 14 is insulated from the first electromagnetic touch electrode 12 .
  • the capacitive touch electrode 15 may be composed of a plurality of capacitive touch electrode line groups which are generally represented by a triangular pattern, and are arranged in a predetermined order, for example, as shown in FIG. Forked butt arrangement. Moreover, there is a gap (Gap) between the different capacitive touch electrode line groups, that is, the capacitive touch electrode line groups are insulated from each other.
  • Gap gap
  • the capacitive touch control method of the embodiment of the present disclosure may be a self-capacitive touch control mode.
  • the capacitance of the capacitive touch electrode 15 at the position where the touch point is located may change correspondingly, and the capacitance The values of the capacitance changes at different positions in the touch electrode 15 are different, and thus the position information of the touch point where the capacitive touch occurs may be determined.
  • the plurality of triangular patterns of capacitive touch electrode line sets are cross-docked, and there is a gap at the butt joint.
  • any mature and reliable self-capacitive capacitive touch position information determining method may be used to determine the position information of the touch point where the capacitive touch occurs.
  • the location information of the touch point where the capacitive touch occurs may be determined based on the capacitive touch electrode line group information and the touch sensing capacitance intensity at the location of the touch point.
  • the capacitive touch electrode 15 at the touch point position when capacitive touch occurs, the capacitive touch electrode 15 at the touch point position generates a corresponding capacitance change value, and based on the change value, coordinate information of the touch point in a capacitive touch electrode line group can be determined, and Determining the position information of the capacitive touch electrode line group in which the capacitive touch occurs according to the capacitive touch electrode line group information that generates the capacitance change value, and determining the position of the touch point where the capacitive touch occurs. information.
  • the capacitive touch electrode line group may be specifically composed of a plurality of capacitive touch electrode lines 18 extending in the same direction. Moreover, one end of the capacitive touch electrode line 18 belonging to the same capacitive touch electrode line group is electrically connected. And connected to the lead region of the first substrate 1 through a metal trace disposed at an edge of the display area of the touch display panel.
  • the number of the capacitive touch electrode lines 18 included in the different capacitive touch electrode line groups may be the same.
  • the number of capacitive touch electrode lines 18 included in different capacitive touch electrode line sets may be different.
  • the second electromagnetic touch electrode 14 may be spaced apart from the capacitive touch electrode line 18 to expand the detection of electromagnetic touch and The area of the capacitive touch area.
  • the second electromagnetic touch electrode 14 located between the two capacitive touch electrode lines 18 can be wired in a fold line manner to achieve more accurate electromagnetic touch detection.
  • the touch detection device is pre-positioned, that is, the first electromagnetic touch electrode 12 and the second electromagnetic touch electrode 14 that are used for realizing electromagnetic touch detection, and
  • the capacitive touch electrode 15 for performing the capacitive touch detection is disposed on the upper surface of the light emitted from the first substrate 1 . Therefore, in order to avoid the influence of the electrode on the normal display of the touch display panel, the embodiment of the present disclosure relates to
  • the material of the first electromagnetic touch electrode 12, the second electromagnetic touch electrode 14 and the capacitive touch electrode 15 may specifically be a transparent conductive material such as indium tin oxide (ITO), nano silver or the like.
  • the first substrate 1 according to the embodiment of the present disclosure may specifically be a color filter substrate, and the second substrate 2 according to the embodiment of the present disclosure may specifically be an array substrate.
  • the first substrate 1 as the color filter substrate may be provided with black on the side close to the second substrate 2 except that the corresponding touch detection device is disposed on a side away from the second substrate 2.
  • a layer of a color film substrate such as a matrix or a color film layer (not shown in the drawing).
  • the second substrate 2 involved in the embodiment of the present disclosure may specifically include a desired layer of an array substrate such as a data line or a gate line (not shown in the drawing).
  • the touch display panel provided by the embodiment of the present invention can synchronously load the corresponding touches to the electromagnetic touch electrodes (the first electromagnetic touch electrode 12 and the second electromagnetic touch electrode 14) and the capacitive touch electrode 15
  • the dynamic signal is such that the touch display panel simultaneously implements two touch modes of electromagnetic touch and capacitive touch.
  • the embodiment of the present disclosure further provides a touch display panel driving method, which is used to drive the touch display panel provided by the embodiment of the present disclosure;
  • the method includes:
  • the electromagnetic touch electrodes and the capacitive touch electrodes 15 disposed in the touch display panel are synchronously loaded with corresponding driving signals, so that the touch display panel simultaneously implements electromagnetic touch detection and capacitive touch. Detection.
  • the touch display panel provided by the embodiment of the present disclosure can also apply a corresponding driving signal to the electromagnetic touch electrode or the capacitive touch electrode 15 during the touch detection phase, so that the touch display panel can realize electromagnetic touch.
  • the embodiment of the present disclosure further provides a touch display panel driving method, which is used to drive the touch display panel provided by the embodiment of the present disclosure;
  • the method includes:
  • the corresponding touch driving signal is applied to the electromagnetic touch electrode or the capacitive touch electrode 15 disposed in the touch display panel, so that the touch display panel realizes electromagnetic touch detection during the touch detection phase. Measure or capacitive touch detection.
  • the embodiment of the present disclosure further provides a touch display panel manufacturing method for manufacturing the touch display panel provided by the embodiment of the present disclosure.
  • the method may specifically include:
  • a second electromagnetic touch electrode 14 pattern and a capacitive touch electrode 15 pattern are formed on the insulating layer 13 , and the second electromagnetic touch electrode 14 and the first electromagnetic touch electrode 12 are cross-insulated;
  • a polarizer 17 is formed on the protective layer 16.
  • the manufacturing method of the touch display panel provided in the embodiment of the present disclosure does not limit the manufacturing process of the above-mentioned layer patterns.
  • any mature and reliable manufacturing process may be used to fabricate the above layer pattern.
  • the embodiment of the present disclosure further provides a touch display device, which may include the touch display panel provided by the embodiment of the present disclosure.
  • the touch display panel, the manufacturing method thereof, the driving method, and the touch display device provided by the embodiments of the present disclosure are configured to provide a first electromagnetic field on a side of the glass substrate in the first substrate away from the second substrate.
  • the first electromagnetic touch electrode is disposed in a crossover manner; a protective layer is disposed on the second electromagnetic touch electrode and the capacitive touch electrode; and a polarizer is disposed on the protective layer.
  • the touch display panel has an electromagnetic touch function and a capacitive touch function, and the electromagnetic touch and the capacitive touch can be realized simultaneously or separately, and the production cost and the power consumption of the touch display panel can be reduced, and the touch display is realized.
  • the device is thinned.

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  • Human Computer Interaction (AREA)
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Abstract

一种触控显示面板及其制作方法、驱动方法、触控显示装置，在第一基板（1）中玻璃基板（11）远离第二基板（2）一侧设置第一电磁触控电极（12）；在第一电磁触控电极（12）之上设置绝缘层（13）；在绝缘层（13）之上，设置同层且绝缘的第二电磁触控电极（14）和电容触控电极（15），第二电磁触控电极（14）与第一电磁触控电极（12）交叉绝缘设置；在第二电磁触控电极（12）和电容触控电极（15）之上设置保护层（16）；在保护层（16）之上设置偏光片（17）。

Description

触控显示面板及其制作方法、驱动方法、触控显示装置
相关申请的交叉引用
本申请主张在2014年9月28日在中国提交的中国专利申请号No.201410510357.4的优先权，其全部内容通过引用包含于此。
技术领域
本公开涉及显示技术领域，具体可以涉及一种具有电磁触控功能和电容触控功能的触控显示面板及其制作方法、驱动方法、触控显示装置。
背景技术
由于可以实现原笔迹手写功能，因此，电磁式触控技术问世以来，广泛应用于计算机辅助绘图(CAD)、绘画制作等领域，许多显示类电子产品均配备有电磁触控板，以实现信息的输入。
但目前的电磁触控板一般都是采用背附式的电磁天线板，该电磁天线板是由横纵交错的金属线构成，本身厚度较厚且非透明，因此只能贴附在液晶显示模组(LCM)的后侧。
同时这种背附式的结构，触控过程中电磁笔与天线板之间隔有液晶显示模组，因此为了实现流畅触控，则需要提高电磁触控笔的电磁信号强度，这就导致电磁触控笔功耗的增加，缩短了电磁触控笔的使用时间。
而且，现有电磁触控产品的功能过于单一，只能实现电磁触控，无法兼容其他类型的触控方式。
发明内容
本公开提供一种触控显示面板及其制作方法、驱动方法、触控显示装置，该触控显示面板具有电磁触控功能与电容触控功能，可同时或单独实现电磁触控和电容触控，并可降低触控显示面板的生产成本以及使用功耗，实现触控显示装置的薄型化。
本公开提供方案如下：
本公开实施例提供了一种触控显示面板，包括第一基板以及第二基板，所述第一基板包括一玻璃基板；
该触控显示面板具体还可以包括：
设置于所述玻璃基板远离所述第二基板一侧的第一电磁触控电极；
设置于所述第一电磁触控电极之上的绝缘层；
设置于所述绝缘层之上，且同层绝缘设置的第二电磁触控电极和电容触控电极，所述第二电磁触控电极与所述第一电磁触控电极交叉绝缘设置；
设置于所述第二电磁触控电极和电容触控电极之上的保护层；
设置于所述保护层之上的偏光片。
可选的，所述第一电磁触控电极和第二电磁触控电极为条状电极。
可选的，各第一电磁触控电极之间相互平行，各第二电磁触控电极之间相同平行；
所述第一电磁触控电极与第二电磁触控电极垂直交叉绝缘设置。
可选的，所述电容触控电极由多个电容触控电极线组按预设顺序排列组成，不同电容触控电极线组之间存在间隙。
可选的，所述电容触控电极线阻为三角形图案。
可选的，所述电容触控电极基于触摸点所在位置处的电容触控电极线组信息以及触控感应电容强度，确定触摸点位置信息。
可选的，所述多个三角形图案的电容触控电极线组交叉对接排列组成，所述对接处存在间隙。
可选的，一电容触控电极线组由多条延伸方向相同的电容触控电极线组成；
该电容触控电极线组中所包括的电容触控电极线的一端电连接。
可选的，各个电容触控电极线组中所包括的电容触控电极线数量相同。
可选的，第二电磁触控电极与所述电容触控电极线间隔设置。
可选的，位于两电容触控电极线之间的一第二电磁触控电极采用折线方式布线。
可选的，所述第一基板为彩膜基板；
所述第二基板为阵列基板。
可选的，所述第一基板靠近所述第二基板的一侧设置有黑矩阵和彩膜层。
可选的，所述第一电磁触控电极、第二电磁触控电极和电容触控电极的材质为透明导电材质。
本公开实施例还提供了一种触控显示面板的制作方法，该触控显示面板具体可以包括第一基板以及第二基板，所述第一基板包括一玻璃基板；
所述方法包括：
在所述玻璃基板远离所述第二基板的一侧，制作第一电磁触控电极图案；
在所述第一电磁触控电极之上，制作绝缘层图案；
在所述绝缘层之上，制作同层且绝缘的第二电磁触控电极图案和电容触控电极图案，所述第二电磁触控电极与所述第一电磁触控电极交叉绝缘设置；
在所述第二电磁触控电极和电容触控电极之上，制作的保护层；
在所述保护层之上，制作偏光片。
可选的，所述第一电磁触控电极、第二电磁触控电极和电容触控电极的材质为透明导电材质。
本公开实施例还提供了一种触控显示面板驱动方法，所述方法用于驱动上述本公开实施例提供的触控显示面板；
所述方法包括：
在触控侦测阶段，同步向触控显示面板中所设置的电磁触控电极和电容触控电极加载对应的驱动信号，以使所述触控显示面板同时实现电磁触控侦测和电容触控侦测。
本公开实施例还提供了一种触控显示面板驱动方法，所述方法用于驱动上述本公开实施例提供的触控显示面板；
所述方法包括：
在触控侦测阶段，向触控显示面板中所设置的电磁触控电极或电容触控电极加载对应的驱动信号，以使所述触控显示面板在所述触控侦测阶段实现电磁触控侦测或电容触控侦测。
本公开实施例还提供了一种触控显示装置，该触控显示装置具体可以包括上述本公开实施例提供的触控显示面板。
从以上所述可以看出，本公开实施例提供的触控显示面板及其制作方法、 驱动方法、触控显示装置，通过在触控显示面板中第一基板的玻璃基板远离所述第二基板一侧设置第一电磁触控电极；在第一触控电极之上设置绝缘层；在绝缘层之上，设置同层且绝缘的第二电磁触控电极和电容触控电极，所述第二电磁触控电极与所述第一电磁触控电极交叉绝缘设置；在第二电磁触控电极和电容触控电极之上设置保护层；在保护层之上设置偏光片。从而可使触控显示面板具有电磁触控功能与电容触控功能，可同时或单独实现电磁触控和电容触控，并可降低触控显示面板的生产成本以及使用功耗，实现触控显示装置的薄型化。
附图说明
图1为本公开实施例提供的触控显示面板结构示意图一；
图2为本公开实施例提供的触控显示面板结构示意图二；
图3为本公开实施例提供的触控显示面板结构示意图三；
图4为本公开实施例提供的触控显示面板实现电磁触控的原理示意图；
图5为本公开实施例提供的触控显示面板中电极结构示意图一；
图6为本公开实施例提供的触控显示面板中电极结构示意图二；
图7为本公开实施例提供的触控显示面板中电极结构示意图三；
图8为本公开实施例提供的触控显示面板制作方法流程示意图。
具体实施方式
为使本公开实施例的目的、技术方案和优点更加清楚，下面将结合本公开实施例的附图，对本公开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公开的一部分实施例，而不是全部的实施例。基于所描述的本公开的实施例，本领域普通技术人员所获得的所有其他实施例，都属于本公开保护的范围。
除非另作定义，此处使用的技术术语或者科学术语应当为本公开所属领域内具有一般技能的人士所理解的通常意义。本公开专利申请说明书以及权利要求书中使用的“第一”、“第二”以及类似的词语并不表示任何顺序、数量或者重要性，而只是用来区分不同的组成部分。同样，“一个”或者“一” 等类似词语也不表示数量限制，而是表示存在至少一个。“连接”或者“相连”等类似的词语并非限定于物理的或者机械的连接，而是可以包括电性的连接，不管是直接的还是间接的。“上”、“下”、“左”、“右”等仅用于表示相对位置关系，当被描述对象的绝对位置改变后，则该相对位置关系也相应地改变。
本公开实施例提供了一种触控显示面板，如图1所示，该触控显示面板具体可以包括第一基板1以及第二基板2，其中，第一基板1包括一玻璃基板11；
如图1所示，该触控显示面板具体还可以包括：
设置于玻璃基板11远离第二基板2一侧的第一电磁触控电极12；
设置于第一电磁触控电极12之上的绝缘层13；
设置于绝缘层13之上，且同层绝缘设置的第二电磁触控电极14和电容触控电极15，第二电磁触控电极14与第一电磁触控电极12交叉绝缘设置；
设置于第二电磁触控电极14和电容触控电极15之上的保护层16；
设置于保护层16之上的偏光片17。
本公开实施例所提供的触控显示面板，具有电磁触控功能与电容触控功能，可实现原笔迹的电磁触控和高灵敏度的电容触控的完美结合，可同时或单独实现电磁触控和电容触控，提高了触控显示面板实用性和易用性，提升了触控显示装置的产品竞争力。
并且，本公开实施例所提供的触控显示面板，将实现电磁触控和电容触控的功能器件设置于第一基板相对于第二基板的外侧，即该触控显示面板采用覆盖表面式(On Cell)的工艺制程，从而实现触控侦测器件的前置化，这种结构设置，不但可以降低了触控显示面板的厚度，实现触控显示装置的薄型化，而且还可以避免显示模组(LCM，包括第一基板、第二基板)对于触控侦测的影响，提高触控侦测的灵敏度和准确性，并可降低电磁触控器件(例如电磁触控笔)的电磁信号强度，从而降低了触控显示面板的使用功耗。
由于本公开实施例所提供的触控显示面板中，用于实现电磁触控功能的第二电磁触控电极14与用于实现电容触控功能的电容触控电极15同层绝缘设置，因此两者的图案可同步制作完成，不需要增加多余的掩膜(MASK)曝光制程，因此可节省触控显示面板的生产成本。并且，本公开实施例所提 供的触控显示面板，采用覆盖表面式(On Cell)结构设置，在第一基板1的玻璃基板11之上形成相应的触控电极图案，这样的工艺制程，也可以显著降低触控显示面板的生产成本。
如图2所示，本公开实施例所涉及的第一电磁触控电极12和第二电磁触控电极14具体可为条状电极，并在第一电磁触控电极12和第二电磁触控电极14之间设置有绝缘层13(如图1所示)，以避免第一电磁触控电极12和第二电磁触控电极14发生短路情况。
而且，如图2、3所示，相交设置的第一电磁触控电极12和第二电磁触控电极14具体可为垂直相交，其中，第一电磁触控电极12用于当发生电磁触控时，确定触摸点的纵轴坐标信息即Y轴坐标信息，第二电磁触控电极14用于确定触摸点的横轴坐标信息即X轴坐标信息，从而确定发生电磁触控的触摸点的位置信息。
本公开实施例所涉及的电磁触控，具体可为电磁触控笔等触控器件触摸触控显示面板中显示模组所在区域。那么，当电磁触控笔等触控器件靠近或触摸触控显示面板中显示模组所在区域表面并滑动时，电磁触控笔所产生的电磁波会切割第一电磁触控电极12和第二电磁触控电极14交叉位置处所形成的电磁场，产生感应电动势，并且越靠近电磁触控笔的位置，该位置处的感应电动势越强，从而产生感应电流。该感应电流经由放大器电路、滤波器电路、取样电路以及模拟转换数字电路(上述电路附图中未示出，本公开实施例中可采用已有成熟可靠的相应器件实现)等处理之后，传输至处理器即芯片(附图中未示出)，根据处理器的计算结果从而确定发生电磁触控的触摸点的坐标信息即位置信息。
本公开实施例所涉及的电磁触控的原理图可如图4所示，假设纵向的2条第一电磁触控电极Y1、Y2(此处以两条为例进行说明，实际上有多条)，两者被X方向的一条第二电磁触控电极X1隔空贯穿，同等于Y1和Y2两个节点之间串联一具有相应电阻值的电阻Rx，当电磁触控笔在第一电磁触控电极Y1与第一电磁触控电极Y2之间滑动时，产生感应电动势V(图4中P表示电磁触控笔的触控点)，且越靠近电磁触控笔的位置，该处的感应电动势V越强。两条第一电磁触控电极Y1、Y2所接收到的电势矢量大小，相当于滑 动电阻箭头在电阻RX之间的位置来表示，由此来确定哪一根第一电磁触控电极12所产生的感应电动势V大，那么对应产生的感应电流的数值也就越大，处理器可将数值最大的感应电流所对应的第一电磁感应电极12确定为电磁触控笔触摸点的Y轴触摸位置，依此确定发生电磁触控的触摸点的Y轴坐标信息。
同理，可以确定发生电磁触控的触摸点的第二电磁触控电极14信息即触摸点的X轴坐标信息，依此可以确定发生电磁触控的触摸点X轴和Y轴坐标信息，从而确定触摸点的最终的坐标位置。
根据本公开实施例所提供的触控显示面板，具有电磁触控功能和电容触控功能。
如图3所示，电容触控电极15与第二电磁触控电极14同层绝缘设置，第二电磁触控电极14与第一电磁触控电极12交叉绝缘设置。
如图5所示，本公开实施例所涉及的电容触控电极15具体可由多个整体上呈现为三角形图案的电容触控电极线组，按一预设顺序排列组成，例如图5所示的叉形对接排布。并且，不同电容触控电极线组之间存在间隙(Gap)，即电容触控电极线组之间彼此绝缘。
本公开实施例所涉及的电容触控方式，具体可为自容式触控方式，当发生电容触控时，触摸点所在位置处的电容触控电极15的电容会产生相应的变化，且电容触控电极15中不同位置处的电容变化值不同，依此可以确定发生电容触控的触摸点的位置信息。所述多个三角形图案的电容触控电极线组交叉对接排布，所述对接处存在间隙。
本公开实施例中，可采用任一成熟可靠的自容式电容触控位置信息确定方法，确定发生电容触控的触摸点的位置信息。
在本公开一具体实施例中，可基于触摸点所在位置处的电容触控电极线组信息以及触控感应电容强度，确定发生电容触控的触摸点位置信息。
具体的，当发生电容触控时，触摸点位置处的电容触控电极15会产生相应的电容变化值，基于该变化值可确定触摸点在一电容触控电极线组中的坐标信息，并根据产生电容变化值的电容触控电极线组信息，确定发生电容触控的电容触控电极线组的位置信息，依此确定发生电容触控的触摸点的位置 信息。
本公开实施例中，如6、7所示，本公开实施例所涉及的电容触控电极线组具体可由多条延伸方向相同的电容触控电极线18组成。并且，属于同一电容触控电极线组中的电容触控电极线18的一端电连接。并且通过设置于触控显示面板显示区域边缘的金属走线，连接至第一基板1的引线区域。
为了便于显示面板的生成，以及为了统一电容触控位置信息确定标准，本公开实施例中，不同电容触控电极线组中所包括的电容触控电极线18的数量可相同。当然，在其他实施例中也可以使不同电容触控电极线组中所包括的电容触控电极线18的数量不同。
在本公开一具体实施例中，如图6、7所示，本公开实施例所涉及的第二电磁触控电极14可与电容触控电极线18间隔设置，以扩大侦测电磁触控和电容触控的区域面积。
本公开实施例中，如图6、7所示，位于两电容触控电极线18之间的第二电磁触控电极14，可采用折线方式布线，从而实现更精确的电磁触控侦测。
由于本公开实施例所提供的触控显示面板，将触控侦测器件前置化，即将用于实现电磁触控侦测的第一电磁触控电极12、第二电磁触控电极14，以及用于实现电容触控侦测的电容触控电极15，设置于第一基板1光线传出的上表面，因此，为了避免上述电极对于触控显示面板正常显示的影响，本公开实施例所涉及的第一电磁触控电极12、第二电磁触控电极14和电容触控电极15的材质具体可为透明导电材质，例如氧化铟锡(ITO)、纳米银等。
上述本公开实施例所涉及的第一基板1，具体可为彩膜基板，而上述本公开实施例所涉及的第二基板2，具体可为阵列基板。
那么，作为彩膜基板的第一基板1，除在远离第二基板2的一侧设置有上述相应的触控侦测器件之外，还可在靠近第二基板2的一侧，设置有黑矩阵、彩膜层等彩膜基板所需图层(附图未示出)。
本公开实施例所涉及的第二基板2，即阵列基板，其具体可以包括数据线、栅线等阵列基板所需图层(附图未示出)。
本公开实施例所提供的触控显示面板，可同步向电磁触控电极(第一电磁触控电极12、第二电磁触控电极14)以及电容触控电极15加载相应的驱 动信号，以使触控显示面板同时实现电磁触控和电容触控两种触控方式。
即本公开实施例还提供了一种触控显示面板驱动方法，所述方法用于驱动上述本公开实施例提供的触控显示面板；
所述方法包括：
在触控侦测阶段，同步向触控显示面板中所设置的电磁触控电极和电容触控电极15加载对应的驱动信号，以使触控显示面板同时实现电磁触控侦测和电容触控侦测。
另外，本公开实施例所提供的触控显示面板，也可以在触控侦测阶段，只向电磁触控电极或电容触控电极15加载相应的驱动信号，以使触控显示面板实现电磁触控或电容触控中的一种触控方式。
即本公开实施例还提供了一种触控显示面板驱动方法，所述方法用于驱动上述本公开实施例提供的触控显示面板；
所述方法包括：
在触控侦测阶段，向触控显示面板中所设置的电磁触控电极或电容触控电极15加载对应的驱动信号，以使触控显示面板在触控侦测阶段，实现电磁触控侦测或电容触控侦测。
本公开实施例还提供了一种触控显示面板制作方法，以用于制作上述本公开实施例所提供的触控显示面板。
如图8所示，该方法具体可以包括：
在玻璃基板11远离第二基板2的一侧，制作第一电磁触控电极12图案；
在第一电磁触控电极12之上，制作绝缘层13图案；
在绝缘层13之上，制作同层且绝缘的第二电磁触控电极14图案和电容触控电极15图案，第二电磁触控电极14与第一电磁触控电极12交叉绝缘设置；
在第二电磁触控电极14和电容触控电极15之上，制作的保护层16；
在保护层16之上，制作偏光片17。
本公开实施例中所提供的触控显示面板制作方法，并不限制上述各图层图案的制作工艺，本公开实施例中可采用任一成熟可靠的制作工艺，制作上述图层图案。
本公开实施例还提供了一种触控显示装置，该触控显示装置具体可以包括上述本公开实施例所提供的触控显示面板。
从以上所述可以看出，本公开实施例提供的触控显示面板及其制作方法、驱动方法、触控显示装置，通过在第一基板中的玻璃基板远离第二基板一侧设置第一电磁触控电极；在第一触控电极之上设置绝缘层；在绝缘层之上，设置同层且绝缘的第二电磁触控电极和电容触控电极，所述第二电磁触控电极与所述第一电磁触控电极交叉设置；在第二电磁触控电极和电容触控电极之上设置保护层；在保护层之上设置偏光片。从而可使触控显示面板具有电磁触控功能与电容触控功能，可同时或单独实现电磁触控和电容触控，并可降低触控显示面板的生产成本以及使用功耗，实现触控显示装置的薄型化。
以上所述仅是本公开的实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本公开原理的前提下，还可以作出若干改进和润饰，这些改进和润饰也应视为本公开的保护范围。

Claims (19)

  1. 一种触控显示面板，包括第一基板以及第二基板，所述第一基板包括一玻璃基板，其中，所述第一基板还包括：
    设置于所述玻璃基板远离所述第二基板一侧的第一电磁触控电极；
    设置于所述第一电磁触控电极之上的绝缘层；
    设置于所述绝缘层之上，且同层绝缘设置的第二电磁触控电极和电容触控电极，所述第二电磁触控电极与所述第一电磁触控电极交叉绝缘设置；
    设置于所述第二电磁触控电极和电容触控电极之上的保护层；
    设置于所述保护层之上的偏光片。
  2. 如权利要求1所述的触控显示面板，其中，所述第一电磁触控电极和第二电磁触控电极为条状电极。
  3. 如权利要求1或2所述的触控显示面板，其中，各第一电磁触控电极之间相互平行，各第二电磁触控电极之间相同平行；
    所述第一电磁触控电极与第二电磁触控电极垂直交叉绝缘设置。
  4. 如权利要求1-3中任一项所述的触控显示面板，其中，所述电容触控电极由多个电容触控电极线组按预设顺序排列组成，不同电容触控电极线组之间存在间隙。
  5. 如权利要求4所述的触控显示面板，其中，所述电容触控电极线组为三角形图案。
  6. 如权利要求4或5所述的触控显示面板，其中，所述电容触控电极基于触摸点所在位置处的电容触控电极线组信息以及触控感应电容强度，确定触摸点位置信息。
  7. 如权利要求5所述的触控显示面板，其中，所述多个三角形图案的电容触控电极线组交叉对接排布，所述对接处存在间隙。
  8. 如权利要求4所述的触控显示面板，其中，一电容触控电极线组由多条延伸方向相同的电容触控电极线组成；
    所述电容触控电极线组中所包括的电容触控电极线的一端电连接。
  9. 如权利要求8所述的触控显示面板，其中，各个电容触控电极线组中 所包括的电容触控电极线数量相同。
  10. 如权利要求8或9所述的触控显示面板，其中，第二电磁触控电极与所述电容触控电极线间隔设置。
  11. 如权利要求10所述的触控显示面板，其中，位于两电容触控电极线之间的一第二电磁触控电极采用折线方式布线。
  12. 如权利要求1-11中任一项所述的触控显示面板，其中，所述第一基板为彩膜基板；
    所述第二基板为阵列基板。
  13. 如权利要求12所述的触控显示面板，其中，所述第一基板靠近所述第二基板的一侧设置有黑矩阵和彩膜层。
  14. 如权利要求1至13任一项所述的触控显示面板，其中，所述第一电磁触控电极、第二电磁触控电极和电容触控电极的材质为透明导电材质。
  15. 一种触控显示面板的制作方法，所述触控显示面板包括第一基板以及第二基板，所述第一基板包括一玻璃基板；
    其中，所述方法包括：
    在所述玻璃基板远离所述第二基板的一侧，制作第一电磁触控电极图案；
    在所述第一电磁触控电极之上，制作绝缘层图案；
    在所述绝缘层之上，制作同层且绝缘的第二电磁触控电极图案和电容触控电极图案，所述第二电磁触控电极与所述第一电磁触控电极交叉绝缘设置；
    在所述第二电磁触控电极和电容触控电极之上，制作的保护层；
    在所述保护层之上，制作偏光片。
  16. 如权利要求15所述的方法，其中，所述第一电磁触控电极、第二电磁触控电极和电容触控电极的材质为透明导电材质。
  17. 一种触控显示面板驱动方法，其中，所述方法用于驱动如权利要求1至14任一项所述的触控显示面板；
    所述方法包括：
    在触控侦测阶段，同步向触控显示面板中所设置的电磁触控电极和电容触控电极加载对应的驱动信号，以使所述触控显示面板同时实现电磁触控侦测和电容触控侦测。
  18. 一种触控显示面板驱动方法，用于驱动如权利要求1至14任一项所述的触控显示面板；
    所述方法包括：
    在触控侦测阶段，向触控显示面板中所设置的电磁触控电极或电容触控电极加载对应的驱动信号，以使所述触控显示面板在所述触控侦测阶段实现电磁触控侦测或电容触控侦测。
  19. 一种触控显示装置，包括如权利要求1至14任一项所述的触控显示面板。
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