WO2020172960A1 - 触控显示设备 - Google Patents

触控显示设备 Download PDF

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Publication number
WO2020172960A1
WO2020172960A1 PCT/CN2019/082507 CN2019082507W WO2020172960A1 WO 2020172960 A1 WO2020172960 A1 WO 2020172960A1 CN 2019082507 W CN2019082507 W CN 2019082507W WO 2020172960 A1 WO2020172960 A1 WO 2020172960A1
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WO
WIPO (PCT)
Prior art keywords
touch
transparent substrate
display device
electrodes
touch display
Prior art date
Application number
PCT/CN2019/082507
Other languages
English (en)
French (fr)
Inventor
李波
张一梅
Original Assignee
武汉华星光电半导体显示技术有限公司
Priority date (The priority date 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 date listed.)
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Application filed by 武汉华星光电半导体显示技术有限公司 filed Critical 武汉华星光电半导体显示技术有限公司
Priority to US16/488,448 priority Critical patent/US11194430B2/en
Publication of WO2020172960A1 publication Critical patent/WO2020172960A1/zh

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Classifications

    • 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
    • G06F3/044—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; 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
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0447—Position sensing using the local deformation of sensor cells
    • 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
    • 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
    • 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
    • G06F2203/04105—Pressure sensors for measuring the pressure or force exerted on the touch surface without providing the touch position
    • 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
    • G06F2203/04107—Shielding in digitiser, i.e. guard or shielding arrangements, mostly for capacitive touchscreens, e.g. driven shields, driven grounds
    • 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
    • G06F2203/04111—Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate
    • 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
    • G06F3/044—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

Definitions

  • touch display devices equipped with pressure sensing technology are implemented by using externally attached pressure sensing sensors.
  • the conventional pressure sensor includes two layers of circuit boards, and a layer of elastic body is arranged between the two layers of circuit boards.
  • the elastic body When an external force is applied to the pressure sensor, the elastic body will deform, and the capacitance value between the two layers of circuit boards will change accordingly.
  • the chip will directly make a corresponding feedback action after sensing the change in the capacitance value.
  • the pressure-sensitive sensor attached to the touch display device will increase the overall thickness and increase the manufacturing cost.
  • a touch display device includes a substrate, a cushion layer disposed on the substrate, a first transparent substrate disposed on the cushion layer, a second transparent substrate disposed on the cushion layer, touch electrodes, pressure-sensitive sensors, and touch sensor.
  • the touch electrodes include touch driving electrodes and touch sensing electrodes.
  • the touch driving electrodes are arranged on the first transparent substrate, and the touch sensing electrodes are arranged on the second transparent substrate. When touched, the touch driving electrodes and The capacitance value between the touch sensing electrodes is changed for touch sensing.
  • One of the first transparent substrate and the second transparent substrate is patterned.
  • the first transparent substrate and the second transparent substrate move relative to the other to change the touch driving electrode and the touch
  • the distance between the sensing electrodes and the capacitance value between the touch driving electrodes and the touch sensing electrodes are further changed for pressure sensing.
  • the touch display device further includes a cover plate and a touch display screen module.
  • the materials of the first transparent substrate and the second transparent substrate are polyimide.
  • the liner layer includes silicon dioxide.
  • the touch display device further includes an insulating layer, a metal bridge, and an organic protective layer, wherein the insulating layer includes silicon nitride or silicon oxide.
  • the metal bridge connects the touch driving electrodes and the touch sensing electrodes.
  • a touch display device includes a substrate, a cushion layer disposed on the substrate, a first transparent substrate disposed on the cushion layer, a second transparent substrate disposed on the cushion layer, touch electrodes, pressure sensitive sensors, and touch sensor.
  • the touch electrodes include touch driving electrodes and touch sensing electrodes.
  • the touch driving electrodes are arranged on the first transparent substrate, and the touch sensing electrodes are arranged on the second transparent substrate. When touched, the touch driving electrodes and The capacitance value between the touch sensing electrodes is changed for touch sensing.
  • the liner layer includes silicon dioxide. One of the first transparent substrate and the second transparent substrate is patterned.
  • the first transparent substrate and the second transparent substrate move relative to the other to change the touch driving electrode and the touch
  • the distance between the sensing electrodes and the capacitance value between the touch driving electrodes and the touch sensing electrodes are further changed for pressure sensing.
  • the first transparent substrate and the second transparent substrate are polyimide.
  • the touch display device further includes a cover plate and a touch display screen module.
  • the first transparent substrate is a patterned first transparent substrate, and the shape of the patterned first transparent substrate includes a cylindrical body.
  • the second transparent substrate is a patterned second transparent substrate, and the shape of the patterned first transparent substrate includes a cylindrical body.
  • the touch display device further includes an insulating layer, a metal bridge, and an organic protective layer, wherein the insulating layer includes silicon nitride or silicon oxide.
  • the insulating layer is formed above the touch driving electrode and the touch sensing electrode
  • the metal bridge is formed above the insulating layer
  • the organic protective layer is formed above the metal bridge and covering the insulating layer.
  • the metal bridge connects adjacent touch driving electrodes.
  • the touch display device provided by the embodiment of the present invention can realize pressure sensing and normal touch detection at the same time, without the need to make additional pressure sensing modules, which reduces the manufacturing cost, while also reducing the thickness of the touch display device, and improves the touch display The quality and function of the equipment, and achieve the integration of pressure sensor and touch sensor.
  • FIG. 1 is a manufacturing flow chart of a touch display device according to an embodiment of the present invention
  • FIG. 2 is a schematic diagram of a planar structure of the touch display device according to the first embodiment of the present invention
  • FIG. 3 is a partial enlarged schematic diagram of the three-dimensional structure of the touch display device according to the first embodiment of the present invention.
  • FIG. 4 is a partial enlarged cross-sectional view of the touch display device of the first embodiment of the present invention without pressure-sensitive deformation
  • FIG. 5 is a partial enlarged cross-sectional view of pressure-sensitive deformation of the touch display device according to the first embodiment of the present invention.
  • the embodiment of the present invention provides a touch display device, including a cover plate, a touch display module, a substrate, a cushion layer disposed on the substrate, a first transparent substrate disposed on the cushion layer, and a first transparent substrate disposed on the cushion layer
  • FIG. 1 is a manufacturing flowchart of a touch display device according to an embodiment of the present invention.
  • the substrate is provided, as shown in step S10.
  • a spacer layer is formed on the substrate.
  • the liner layer serves as a stress buffer, and the liner layer includes but is not limited to a silicon dioxide layer.
  • an organic photoresist is coated on the liner layer to form an organic photoresist layer, and exposure and curing treatments are performed.
  • the curing treatment can prevent the material from decomposing and releasing gas in the subsequent manufacturing process.
  • Step S40 includes forming a coating film having a three-layer composite structure on the organic photoresist layer, and the coating film of the three-layer composite structure includes an indium tin oxide layer, a metal layer, and an indium tin oxide layer.
  • the plating film of the three-layer composite structure is patterned.
  • the patterning process includes coating photoresist, exposure, development, etching, and photoresist stripping.
  • step S50 the organic photoresist layer under the coating of the three-layer composite structure is developed to form a patterned transparent substrate, wherein the shape of the patterned transparent substrate includes a cylindrical body.
  • the first transparent substrate may be a non-patterned first transparent substrate
  • the second transparent substrate may be a patterned second transparent substrate.
  • Step S70 includes forming an insulating layer above the touch driving electrode and the touch sensing electrode, where the insulating layer includes organic material or inorganic material, and the inorganic material includes but not limited to silicon nitride or silicon oxide. Then the insulating layer is coated and exposed , Developing, etching and removing photoresist to form a patterned insulating layer.
  • Step S80 includes forming a metal bridge above the patterned insulating layer through physical vapor deposition (PVD) coating, photoresist coating, exposure, development, etching, and photoresist stripping.
  • PVD physical vapor deposition
  • step S90 includes performing flexible printed circuit binding, pressing and binding, and assembling the cover plate and the touch display module to complete the touch display device integrating the pressure sensor and the touch sensor.
  • FIG. 2 is a schematic diagram of a plan structure of the touch display device 2 according to the first embodiment of the present invention.
  • the touch display device 2 includes a diamond-shaped touch driving electrode 30 and a touch sensing electrode 50.
  • the touch driving electrodes 30 are arranged in multiple rows, and the touch sensing electrodes 50 are arranged in multiple columns. Two adjacent touch drive electrodes 30 of each row of touch drive electrodes 30 are connected by a metal bridge 80.
  • the touch display device 2 further includes a touch chip 27 for performing a touch feedback action on touch sensing and a pressure feedback response on pressure sensing.
  • the touch display device 2 includes a substrate 10.
  • the liner layer 20 is formed on the substrate 10 to serve as a stress buffer.
  • the first transparent substrate 40 and the second transparent substrate 60 are formed on the cushion layer 20.
  • the touch electrode 24 is formed on the first transparent substrate 40 and the second transparent substrate 60.
  • the touch electrodes 24 include touch driving electrodes 30 and touch sensing electrodes 50.
  • the touch driving electrode 30 is disposed on the patterned first transparent substrate 40, and the touch sensing electrode 50 is disposed on the non-patterned second transparent substrate 60, wherein the touch driving electrode 30 and the touch sensing electrode 50 are rhombus structures.
  • the touch driving electrode 30 is disposed on the non-patterned first transparent substrate 40, and the touch sensing electrode 50 is disposed on the patterned second transparent substrate 60.
  • the touch driving electrode 30 is disposed on the non-patterned first transparent substrate 40, and the touch sensing electrode 50 is disposed on the patterned second transparent substrate 60.
  • the touch driving electrodes 30 are arranged on the patterned first transparent substrate 40, and the touch sensing electrodes 50 are arranged on the non-patterned second transparent substrate 60, wherein the touch driving electrodes 30 and the touch sensing electrodes 50 are diamond-shaped structures .
  • the patterned insulating layer 70 and the metal bridge 80 are located on the touch driving electrode 30 and the touch sensing electrode 50, wherein the metal bridge 80 is connected to the adjacent touch driving electrode 30.
  • the patterned organic protective layer 90 is located on the insulating layer 70 and completely covers the metal bridge 80 and the insulating layer 70.
  • the capacitance value between the touch driving electrode 30 and the touch sensing electrode 50 can determine the touch of the foreign object. Position to achieve touch function.
  • the external object does not generate a sufficient pressure on the touch display device 2 so that the touch display device 2 does not produce pressure-sensitive deformation, a certain distance is maintained between the touch driving electrode 30 and the touch sensing electrode 50, so no pressure is generated induction.
  • the touch chip 27 only performs touch feedback actions for touch sensing.
  • the touch display device 2 may further include a cover 92 and a touch display module 94 located on the patterned organic protective layer 90.
  • FIG. 5 is a cross-sectional view of pressure-sensitive deformation of the touch display device 2 according to an embodiment of the present invention.
  • the patterned first transparent substrate 40 When a certain pressure is applied by an external object, the patterned first transparent substrate 40 will be tilted and deformed, so that the relative distance between the touch driving electrode 30 and the touch sensing electrode 50 is shortened, resulting in the touch driving electrode 30 and the touch sensing
  • the sensing capacitance signal between the electrodes 50 is significantly different from the sensing capacitance signal when no external pressure is applied.
  • the touch circuit board detects this change, it will respond with pressure sensing feedback.
  • the touch chip 27 not only performs touch feedback actions on touch sensing, but also performs pressure feedback responses to pressure sensing.
  • the touch display device 2 may further include a cover 92 and a touch display module 94 located on the patterned organic protective layer 90.
  • FIG. 6 is a schematic diagram of the planar structure of touch driving electrodes and touch sensing electrodes of the touch display device 2 according to the second embodiment of the present invention.
  • the touch driving electrode 30 is disposed on the patterned first transparent substrate 40
  • the touch sensing electrode 50 is disposed on the non-patterned second transparent substrate 60, wherein the touch driving electrode 30 and the touch sensing electrode 50 are mutually capable The occlusal jagged structure.
  • the touch driving electrode 30 may be disposed on the non-patterned first transparent substrate 40
  • the touch sensing electrode 50 may be disposed on the patterned second transparent substrate 60.
  • those skilled in the art in the technical field to which the present invention pertains can make adjustments as appropriate.
  • the touch display device provided by the embodiment of the present invention can realize pressure sensing and normal touch detection at the same time, without the need to make additional pressure sensing modules, which reduces the manufacturing cost and at the same time reduces the thickness of the touch display device.
  • the quality and function of the touch display device are improved, and the pressure sensor and the touch sensor are integrated.

Abstract

本发明公开一种触控设备，包括盖板、触控显示模块、基板、设置于基板上的衬垫层、设置于衬垫层上的第一透明基底、设置于衬垫层上的第二透明基底、触控驱动电极和触控感应电极。触控驱动电极设置于第一透明基底上，触控感应电极设置于第二透明基底上。当触摸触控显示设备时, 触控驱动电极和触控感应电极间之电容值会改变以达触控功能。进一步对触控驱动电极施加压力时，触控驱动电极和触控感应电极间之距离会改变以达压力感测功能。

Description

触控显示设备 技术领域
本发明是有关于一种触控显示设备，特别是有关于一种压力感应传感器及触控传感器一体化的触控显示设备。
 背景技术
目前搭载压力感应技术的触控显示设备都是采用外贴压力感应传感器来实现。习知的压力感应传感器包括两层电路板，两层电路板之间设置有一层弹性体。当有外力施加到压力传感器上时，弹性体会发生形变，两层电路板之间的电容值因此发生变化，芯片感应到电容值产生变化后会直接做出相对应的反馈动作。
 技术问题
触控显示设备外贴压力感应传感器会增加整体厚度，也增加了制造成本。
 技术解决方案
有鉴于此，本发明实施例提供一种压力感应传感器及触控传感器一体化的触控显示设备，以解决现有技术所存在的问题。
根据本发明的一实施例提供一种触控显示设备。触控显示设备包括基板、设置于基板上的衬垫层、设置于衬垫层上的第一透明基底、设置于衬垫层上的第二透明基底、触控电极、压力感应传感器以及触控传感器。触控电极包括触控驱动电极及触控感应电极，触控驱动电极设置于第一透明基底上，触控感应电极设置于第二透明基底上，当受碰触作用时，触控驱动电极和触控感应电极间的电容值改变以进行触控感测。第一透明基底及第二透明基底间的一者为图形化，当其受一定压力作用时，第一透明基底及第二透明基底彼此相对于另一者移动以改变触控驱动电极及触控感应电极间的距离，并进一步改变触控驱动电极及触控感应电极间的电容值以进行压力感测。
在本发明的一实施例中，触控显示设备还包括盖板及触控显示屏模块。
在本发明的一实施例中，第一透明基底是图案化第一透明基底，以及图案化第一透明基底的形状包括圆柱状体。
在本发明的一实施例中，第二透明基底是图案化第二透明基底，以及图案化第一透明基底的形状包括圆柱状体。
在本发明的一实施例中，第一透明基底及第二透明基底的材料是聚酰亚胺。
在本发明的一实施例中，衬垫层包括二氧化硅。
在本发明的一实施例中，触控显示设备还包括绝缘层、金属桥及有机保护层，其中绝缘层包括氮化硅或氧化硅。
在本发明的一实施例中，绝缘层形成于触控驱动电极及触控感应电极的上方，金属桥形成于绝缘层的上方，以及有机保护层形成于金属桥上方并覆盖绝缘层。
在本发明的一实施例中，金属桥连接触控驱动电极及触控感应电极。
在本发明的一实施例中，触控驱动电极及触控感应电极之间具有一预定距离。
根据本发明的一实施例提供一种触控显示设备。触控显示设备包括基板、设置于基板上的衬垫层、设置于衬垫层上的第一透明基底、设置于衬垫层上的第二透明基底、触控电极、压力感应传感器以及触控传感器。触控电极包括触控驱动电极及触控感应电极，触控驱动电极设置于第一透明基底上，触控感应电极设置于第二透明基底上，当受碰触作用时，触控驱动电极和触控感应电极间的电容值改变以进行触控感测。衬垫层包括二氧化硅。第一透明基底及第二透明基底间的一者为图形化，当其受一定压力作用时，第一透明基底及第二透明基底彼此相对于另一者移动以改变触控驱动电极及触控感应电极间的距离，并进一步改变触控驱动电极及触控感应电极间的电容值以进行压力感测。第一透明基底及第二透明基底是聚酰亚胺。
在本发明的一实施例中，触控显示设备还包括盖板及触控显示屏模块。
在本发明的一实施例中，第一透明基底是图案化第一透明基底，以及图案化第一透明基底的形状包括圆柱状体。
在本发明的一实施例中，第二透明基底是图案化第二透明基底，以及图案化第一透明基底的形状包括圆柱状体。
在本发明的一实施例中，触控显示设备还包括绝缘层、金属桥及有机保护层，其中绝缘层包括氮化硅或氧化硅。
在本发明的一实施例中，绝缘层形成于触控驱动电极及触控感应电极的上方，金属桥形成于绝缘层的上方，以及有机保护层形成于金属桥上方并覆盖绝缘层。
在本发明的一实施例中，金属桥连接相邻的触控驱动电极。
在本发明的一实施例中，触控驱动电极及触控感应电极之间具有一预定距离。
 有益效果
本发明实施例提供的触控显示设备能同时实现压力感应和正常触控的侦测，不需额外制作压力感应模块，降低制作成本，同时也减少触控显示设备的厚度，提升了触控显示设备的质量和功能，并达到压力感应传感器及触控传感器一体化。
 附图说明
图1是本发明实施例的触控显示设备制作流程图；
图2是本发明第一实施例的触控显示设备的平面结构示意图；
图3是本发明第一实施例的触控显示设备的立体结构局部放大示意图；
图4是本发明第一实施例的触控显示设备未产生压力感应形变的局部放大截面图；
图5是本发明第一实施例的触控显示设备产生压力感应形变的局部放大截面图；以及
图6是本发明第二实施例的触控显示设备的触控驱动电极和触控感应电极的局部放大平面结构示意图。
 本发明的实施方式
为让本发明的上述内容能更明显易懂，下文特举优选实施例，并配合所附图式作详细说明。
本发明实施例提供一种触控显示设备，包括盖板、触控显示模块、基板、设置于基板上的衬垫层、设置于衬垫层上的第一透明基底、设置于衬垫层上的第二透明基底、触控电极、压力感应传感器以及触控传感器，其中触控电极包括触控驱动电极及触控感应电极，触控驱动电极设置于第一透明基底上，触控感应电极设置于第二透明基底上，以及压力感应传感器及触控传感器共享触控电极。
图1是本发明实施例的触控显示设备的制作流程图。首先提供基板,如步骤S10所示。接着,如步骤S20所示,在基板上形成衬垫层。衬垫层是用以作为应力缓冲的功效，其中衬垫层包括但不限于二氧化硅层。然后, 如步骤S30所示, 在衬垫层上涂布有机光阻剂以形成有机光阻层，并进行曝光及固化处理，固化处理可以防止材料在后续制程中出现分解及气体释放的发生。步骤S40包括在有机光阻层上方形成具有三层复合结构的镀膜，此三层复合结构的镀膜包括铟锡氧化物层、金属层及铟锡氧化物层。对此三层复合结构的镀膜进行图案化处理，图案化处理的制程包括涂布光阻剂、曝光、显影、蚀刻及剥除光阻等工艺。接着,如步骤S50所示,对三层复合结构的镀膜下方的有机光阻层显影，进而形成图案化透明基底，其中图案化的透明基底形状包括圆柱状体，进一步而言，透明基底是弹性圆柱体形状，其中透明基底的材料包括聚酰亚胺，再对三层复合结构的镀膜下方的有机光阻层进行固化处理，以确保材料完全固化。步骤S60包括形成触控电极在透明基底上，其中触控电极包括触控驱动电极及触控感应电极，透明基底包括第一透明基底及第二透明基底，及触控驱动电极及触控感应电极分别形成在第一透明基底及第二透明基底上。视选择地，第一透明基底可以是图案化第一透明基底，以及第二透明基底可以是非图案化第二透明基底。同样地，第一透明基底可以是非图案化第一透明基底，以及第二透明基底可以是图案化第二透明基底。步骤S70包括在触控驱动电极及触控感应电极的上方形成绝缘层，其中绝缘层包括有机材料或无机材料，无机材料包括但不限于氮化硅或氧化硅，接着绝缘层通过涂布、曝光、显影、蚀刻及去光阻等工艺，以形成图案化绝缘层。步骤S80包括在图案化绝缘层上方进一步通过物理气相沉积(PVD)镀膜、涂布光阻剂、曝光、显影、蚀刻及剥除光阻等工艺形成金属桥，金属桥连接触控驱动电极及触控感应电极。接着在绝缘层及金属桥上方形成有机保护层，其中有机保护层通过曝光、显影或喷墨打印(inkjet printing)技术形成图案化有机保护层，图案化有机保护层保护触控感应线路以及完全覆盖金属桥及绝缘层，同时将触控感应线路的信号输出端裸露出来并连接软性电路板，进而输出触控信号。最后，步骤S90包括进行柔性电路(flexible printed circuit)绑压合绑定以及盖板和触控显示模块的组装，完成压力感应传感器及触控传感器一体化的触控显示设备。
图2是本发明第一实施例的触控显示设备2的平面结构示意图。触控显示设备2包括菱形结构的触控驱动电极30和触控感应电极50。触控驱动电极30是多行排列，触控感应电极50是多列排列。每行触控驱动电极30之相邻二个触控驱动电极30是以金属桥80相连。触控显示设备2进一步包括有一触控芯片27用来进行对触控感测进行触控反馈动作和对压力感测进行压力反馈响应。
图3是本发明第一实施例的触控显示设备 2的立体结构示意图。触控显示设备2包括基板10。衬垫层20形成在基板10以作为应力缓冲的功效。第一透明基底40和第二透明基底60形成在衬垫层20上。触控电极24形成在第一透明基底40和第二透明基底60上。触控电极24包括触控驱动电极30和触控感应电极50。触控驱动电极30设置在图案化第一透明基底40上，以及触控感应电极50设置在非图案化第二透明基底60上，其中触控驱动电极30和触控感应电极50是菱形结构。在另一实施例，触控驱动电极30设置在非图案化第一透明基底40上，以及触控感应电极50设置在图案化第二透明基底60上。就此,本发明所属技术领域中具有通常技艺者可视情况进行调整。
图4是本发明实施例的触控显示设备2未产生压力感应形变的截面图。触控驱动电极30设置在图案化第一透明基底40上，以及触控感应电极50设置在非图案化第二透明基底60上，其中触控驱动电极30和触控感应电极50是菱形状结构。图案化绝缘层70及金属桥80位在触控驱动电极30及触控感应电极50上，其中金属桥80连接相邻的触控驱动电极30。图案化有机保护层90位在绝缘层70上及完全覆盖金属桥80及绝缘层70。当触控显示设备2侦测到外物(如使用者手指或触笔)碰触时，因触控驱动电极30和触控感应电极50间之电容值的改变而可决定外物碰触的位置，以达成触控功能。在外物未产生一足够的压力于触控显示设备2使触控显示设备2未产生压力感应形变时，触控驱动电极30和触控感应电极50之间是保持一定距离,因此不会产生压力感应。此时,触控芯片27只对触控感测进行触控反馈动作。触控显示设备2可进一步包括盖板92和触控显示模94块位在图案化有机保护层90之上。
图5是本发明实施例的触控显示设备2产生压力感应形变的截面图。当外物施加一定压力时，图案化第一透明基底40会发生倾斜和形变，使得触控驱动电极30和触控感应电极50之间的相对距离缩短，导致触控驱动电极30和触控感应电极50之间的感应电容信号与无外界施加压力时的感应电容信号有明显差异。当触控电路板侦测到这种变化时，会进行压力感应反馈响应。此时,触控芯片27不仅对触控感测进行触控反馈动作, 同时也对压力感测进行压力反馈响应。当外界无施加压力时，也就是使用者仅触摸屏幕不另外对屏幕进行按压动作，图案化第一透明基底40不会发生倾斜和形变，触控驱动电极30和触控感应电极50之间的相对距离并未缩短。此时触控驱动电极30和触控感应电极50之间的距离没有改变，因此触控显示设备2的电容变化值没有有进一步变化，触控电路板会仅进行触控反馈响应，而不会进行压力反馈响应。触控显示设备2可进一步包括盖板92和触控显示模94块位在图案化有机保护层90之上。
图6是本发明第二实施例的触控显示设备2的触控驱动电极和触控感应电极的平面结构示意图。触控驱动电极30设置在图案化第一透明基底40上，以及触控感应电极50设置在非图案化第二透明基底60上，其中触控驱动电极30和触控感应电极50是呈现能相互咬合的锯齿状结构。视选择地，触控驱动电极30可以设置在非图案化第一透明基底40上，以及触控感应电极50可以设置在图案化第二透明基底60上。就此,本发明所属技术领域中具有通常技艺者可视情况进行调整。
综上而言，本发明实施例提供的触控显示设备能同时实现压力感应和正常触控的侦测，不需额外制作压力感应模块，降低制作成本，同时也减少触控显示设备的厚度，提升了触控显示设备的质量和功能，并达到压力感应传感器及触控传感器一体化。
虽然本发明结合其具体实施例而被描述，应该理解的是，许多替代、修改及变化对于那些本领域的技术人员将是显而易见的。因此，其意在包含落入所附权利要求书的范围内的所有替代、修改及变化。

Claims (18)

  1. 一种触控显示设备，其特征在于，包括:
    基板；
    设置于所述基板上的衬垫层；
    设置于所述衬垫层上的第一透明基底；
    设置于所述衬垫层上的第二透明基底；以及
    触控电极，其中所述触控电极包括触控驱动电极及触控感应电极，所述触控驱动电极设置于所述第一透明基底上，所述触控感应电极设置于所述第二透明基底上，当受碰触作用时，所述触控驱动电极和所述触控感应电极间的电容值改变以进行触控感测；
    其中, 所述第一透明基底及第二透明基底间的一者为图形化，当其受一定压力作用时，所述第一透明基底及第二透明基底彼此相对于另一者移动以改变所述触控驱动电极及触控感应电极间的距离，并进一步改变所述触控驱动电极及触控感应电极间的电容值以进行压力感测。
  2. 如权利要求1所述的触控显示设备，其特征在于，还包括盖板及触控显示屏模块。
  3. 如权利要求1所述的触控显示设备，其特征在于，所述第一透明基底是图案化第一透明基底，以及所述图案化第一透明基底的形状包括圆柱状体。
  4. 如权利要求1所述的触控显示设备，其特征在于，所述第二透明基底是图案化第二透明基底，以及所述图案化第一透明基底的形状包括圆柱状体。
  5. 如权利要求1所述的触控显示设备，其特征在于，所述第一透明基底及所述第二透明基底的材料是聚酰亚胺。
  6. 如权利要求1所述的触控显示设备，其特征在于，所述衬垫层包括二氧化硅。
  7. 如权利要求1所述的触控显示设备，其特征在于，还包括绝缘层、金属桥及有机保护层，其中所述绝缘层包括氮化硅或氧化硅。
  8. 如权利要求7所述的触控显示设备，其特征在于，所述绝缘层形成于所述触控驱动电极及所述触控感应电极的上方，所述金属桥形成于所述绝缘层的上方，以及有机保护层形成于所述金属桥上方并覆盖所述绝缘层。
  9. 如权利要求8所述的触控显示设备，其特征在于，所述金属桥连接相邻的所述触控驱动电极。
  10. 如权利要求1所述的触控显示设备，其特征在于，所述触控驱动电极及所述触控感应电极之间具有一预定距离。
  11. 一种触控设备，其特征在于，包括:
    基板；
    设置于所述基板上的衬垫层，所述衬垫层包括二氧化硅；
    设置于所述衬垫层上的第一透明基底，所述第一透明基底是聚酰亚胺；
    设置于所述衬垫层上的第二透明基底，所述第二透明基底是聚酰亚胺；以及
    触控电极，其中所述触控电极包括触控驱动电极及触控感应电极，所述触控驱动电极设置于所述第一透明基底上，所述触控感应电极设置于所述第二透明基底上，当受碰触作用时，所述触控驱动电极和所述触控感应电极间的电容值改变以进行触控感测；
    其中, 所述第一透明基底及第二透明基底间的一者为图形化，当其受一定压力作用时，所述第一透明基底及第二透明基底彼此相对于另一者移动以改变所述触控驱动电极及触控感应电极间的距离，并进一步改变所述触控驱动电极及触控感应电极间的电容值以进行压力感测。
  12. 如权利要求11所述的触控显示设备，其特征在于，还包括盖板及触控显示屏模块。
  13. 如权利要求11所述的触控显示设备，其特征在于，所述第一透明基底是图案化第一透明基底，以及所述图案化第一透明基底的形状包括圆柱状体。
  14. 如权利要求11所述的触控显示设备，其特征在于，所述第二透明基底是图案化第二透明基底，以及所述图案化第一透明基底的形状包括圆柱状体。
  15. 如权利要求11所述的触控显示设备，其特征在于，还包括绝缘层、金属桥及有机保护层，其中所述绝缘层包括氮化硅或氧化硅。
  16. 如权利要求15所述的触控显示设备，其特征在于，所述绝缘层形成于所述触控驱动电极及所述触控感应电极的上方，所述金属桥形成于所述绝缘层的上方，以及有机保护层形成于所述金属桥上方并覆盖所述绝缘层。
  17. 如权利要求16所述的触控显示设备，其特征在于，所述金属桥连接相邻的所述触控驱动电极。
  18. 如权利要求11所述的触控显示设备，其特征在于，所述触控驱动电极及所述触控感应电极之间具有一预定距离。
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