技术领域technical field
本发明涉及一种触控显示装置，且特别涉及一种具有绝缘胶的触控显示装置。The present invention relates to a touch display device, and in particular to a touch display device with insulating glue.
背景技术Background technique
传统触控显示装置包含透明结构层及非透明结构层。在触控显示装置制作过程中，非透明结构层的元素可能会经由热扩散影响透明结构层的品质，进而降低透明结构层的光学特性。Traditional touch display devices include transparent structural layers and non-transparent structural layers. During the manufacturing process of the touch display device, the elements of the non-transparent structural layer may affect the quality of the transparent structural layer through thermal diffusion, thereby reducing the optical properties of the transparent structural layer.
因此，亟需提出一种新的触控显示装置，改善非透明结构层降低透明结构层光学特性的问题。Therefore, there is an urgent need to propose a new touch display device to improve the problem that the non-transparent structure layer reduces the optical properties of the transparent structure layer.
发明内容Contents of the invention
因此，本发明的目的在于提出一种触控显示装置，可改善非透明结构层降低透明结构层光学特性的问题。Therefore, the purpose of the present invention is to provide a touch display device, which can improve the problem that the non-transparent structure layer reduces the optical properties of the transparent structure layer.
根据本发明的一实施例，提出一种触控显示装置。触控显示装置包括一触控模块、一显示模块、一偏光板及一绝缘胶。显示模块与触控模块相对配置。绝缘胶直接连接触控模块与偏光板。绝缘胶具有大于1013(欧姆/单位面积)的阻值。According to an embodiment of the present invention, a touch display device is proposed. The touch display device includes a touch module, a display module, a polarizer and an insulating glue. The display module and the touch module are disposed opposite to each other. The insulating glue directly connects the touch module and the polarizer. The insulating glue has a resistance greater than 1013 (ohm/unit area).
以下结合附图和具体实施例对本发明进行详细描述，但不作为对本发明的限定。The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the present invention.
附图说明Description of drawings
图1绘示依照本发明一实施例的触控显示装置的剖视图；FIG. 1 shows a cross-sectional view of a touch display device according to an embodiment of the present invention;
图2绘示图1的绝缘胶的时间与电压关系曲线图；Fig. 2 is a graph showing the relationship between time and voltage of the insulating glue of Fig. 1;
图3绘示依照本发明另一实施例的触控显示装置的剖视图。FIG. 3 is a cross-sectional view of a touch display device according to another embodiment of the present invention.
其中，附图标记Among them, reference signs
100、200：触控感应结构100, 200: touch sensing structure
110：显示模块110: display module
111：主动元件层111: Active component layer
112：液晶层112: liquid crystal layer
113：彩色滤光片层113: Color filter layer
114：透明电极层114: transparent electrode layer
120：第一偏光板120: first polarizer
121：第一保护膜121: The first protective film
122：第二保护膜122: Second protective film
123：偏光子层123: polarizer layer
130：第二偏光板130: second polarizer
140：触控模块140: Touch module
141：触控感应层141: Touch sensing layer
142：透明绝缘覆盖层142: Transparent insulating cover
143：透明基板143: Transparent substrate
145：盖板145: Cover
150：绝缘胶150: insulating glue
V0：饱和带电压V0 : saturation band voltage
t1：半衰期t1 : half-life
具体实施方式detailed description
下面结合附图对本发明的结构原理和工作原理作具体的描述：Below in conjunction with accompanying drawing, structural principle and working principle of the present invention are specifically described:
图1绘示依照本发明一实施例的触控显示装置100的剖视图。触控显示装置100包括显示模块110、第一偏光板120、第二偏光板130、触控模块140、盖板145及绝缘胶150。FIG. 1 is a cross-sectional view of a touch display device 100 according to an embodiment of the invention. The touch display device 100 includes a display module 110 , a first polarizer 120 , a second polarizer 130 , a touch module 140 , a cover 145 and an insulating glue 150 .
本实施例中，显示模块110例如是液晶显示模块，其包含主动元件层111、液晶层112、彩色滤光片层113及透明电极层114。主动元件层111例如是薄膜晶体管开关层。液晶层112位于主动元件层111与彩色滤光片层113之间。透明电极层114设于彩色滤光片层113上，以做为抗静电层。在一实施例中，显示模块110例如是采用扭曲向列型液晶(TN)或垂直配向(VA)技术的显示模块。In this embodiment, the display module 110 is, for example, a liquid crystal display module, which includes an active element layer 111 , a liquid crystal layer 112 , a color filter layer 113 and a transparent electrode layer 114 . The active device layer 111 is, for example, a thin film transistor switch layer. The liquid crystal layer 112 is located between the active device layer 111 and the color filter layer 113 . The transparent electrode layer 114 is disposed on the color filter layer 113 as an antistatic layer. In one embodiment, the display module 110 is, for example, a display module using twisted nematic liquid crystal (TN) or vertical alignment (VA) technology.
第一偏光板120设于透明电极层114之上。第一偏光板120包含第一保护膜121、第二保护膜122及偏光子层123。偏光子层123设于第一保护膜121与第二保护膜122之间。绝缘胶150直接接触邻近的保护膜，如第一保护膜121。由于第一保护膜121是绝缘层，绝缘胶150与第一偏光板120之间无导电材料。另一实施例中，图1的第一保护膜121与第二保护膜122的位置可对调。The first polarizer 120 is disposed on the transparent electrode layer 114 . The first polarizer 120 includes a first protection film 121 , a second protection film 122 and a polarizer layer 123 . The polarizer layer 123 is disposed between the first protection film 121 and the second protection film 122 . The insulating glue 150 directly contacts the adjacent protection film, such as the first protection film 121 . Since the first protective film 121 is an insulating layer, there is no conductive material between the insulating glue 150 and the first polarizer 120 . In another embodiment, the positions of the first protective film 121 and the second protective film 122 in FIG. 1 can be reversed.
第一保护膜121材料例如是三乙酰纤维素等纤维素树脂、聚酯树脂、聚醚砜树脂、聚砜树脂、聚碳酸酯树脂、聚酰胺树脂、聚酰亚胺树脂、聚烯烃树脂、(甲基)丙烯酸系树脂、环状聚烯烃树脂(降烯系树脂)、聚芳酯树脂、聚苯乙烯树脂、聚乙烯醇树脂、聚对苯二甲酸乙二酯(PET)层或其组合。在一实施例中，第一保护膜121可以是单层结构或多层结构。The material of the first protective film 121 is, for example, cellulose resin such as triacetyl cellulose, polyester resin, polyethersulfone resin, polysulfone resin, polycarbonate resin, polyamide resin, polyimide resin, polyolefin resin, ( Meth)acrylic resin, cyclic polyolefin resin (norolefin resin), polyarylate resin, polystyrene resin, polyvinyl alcohol resin, polyethylene terephthalate (PET) layer, or combinations thereof. In an embodiment, the first protection film 121 may be a single-layer structure or a multi-layer structure.
第二偏光板130设于主动元件层111上。第二偏光板130的结构及/或材料可相似于第一偏光板120。The second polarizer 130 is disposed on the active device layer 111 . The structure and/or material of the second polarizer 130 may be similar to that of the first polarizer 120 .
触控模块140透过绝缘胶150设于第一偏光板120上。在一实施例中，触控模块140可以是电阻式触控模块或电容式触控模块。触控模块140可包含一触控感应层141、一透明绝缘覆盖层142及一透明基板143，其中触控感应层141形成于透明绝缘覆盖层142及透明基板143之间。在一实施例中，触控感应层141可具有一图案化形状。The touch module 140 is disposed on the first polarizer 120 through the insulating glue 150 . In an embodiment, the touch module 140 may be a resistive touch module or a capacitive touch module. The touch module 140 may include a touch sensing layer 141 , a transparent insulating covering layer 142 and a transparent substrate 143 , wherein the touch sensing layer 141 is formed between the transparent insulating covering layer 142 and the transparent substrate 143 . In one embodiment, the touch sensing layer 141 may have a patterned shape.
触控感应层141可感应发生在触控显示装置100的一触控指令。触控感应层141可包含数个感应电极。例如，触控感应层141可包含多条第一感应电极及/或多条第二感应电极，其中第一感应电极沿第一方向延伸，而第二感应电极沿第二方向延伸，第二方向实质上垂直第二方向。感应电极可由透明导电材料制成，如铟锡氧化物(Indium Tin Oxide,ITO)、铟锌氧化物(indium zinc oxide,IZO)、聚乙撑二氧噻吩(PEDOT)或氧化铟镓锌(indiumgallium zinc oxide,IGZO)等。The touch sensing layer 141 can sense a touch command generated on the touch display device 100 . The touch sensing layer 141 may include several sensing electrodes. For example, the touch sensing layer 141 may include a plurality of first sensing electrodes and/or a plurality of second sensing electrodes, wherein the first sensing electrodes extend along a first direction, and the second sensing electrodes extend along a second direction. substantially perpendicular to the second direction. The sensing electrodes can be made of transparent conductive materials, such as indium tin oxide (Indium Tin Oxide, ITO), indium zinc oxide (indium zinc oxide, IZO), polyethylenedioxythiophene (PEDOT) or indium gallium zinc oxide (indiumgallium zinc oxide, IGZO) and so on.
在一实施例中，可选择性的形成一透明绝缘覆盖层142覆盖触控感应层141，以保护感应电极。In one embodiment, a transparent insulating covering layer 142 can be optionally formed to cover the touch sensing layer 141 to protect the sensing electrodes.
盖板145覆盖触控模块140，以保护触控模块140，避免触控模块140过度刮损。The cover plate 145 covers the touch module 140 to protect the touch module 140 and prevent the touch module 140 from being excessively scratched.
绝缘胶150可为一感压黏着剂，材料包含(甲基)丙烯酸酯及交联剂，其中(甲基)丙烯酸酯例如是(甲基)丙烯酸甲酯、(甲基)丙烯酸乙酯、(甲基)丙烯酸丁酯、(甲基)丙烯酸－2－乙基己酯等；而交联剂例如是环氧系交联剂、异氰酸酯系交联剂、亚胺系交联剂等。在一实施例中，绝缘胶150尚可包含其他非导电添加剂，例如为硅烷偶合剂。The insulating glue 150 can be a pressure-sensitive adhesive, and the material includes (meth)acrylate and a crosslinking agent, wherein (meth)acrylate is, for example, methyl (meth)acrylate, ethyl (meth)acrylate, ( butyl methacrylate, 2-ethylhexyl (meth)acrylate, and the like; and the crosslinking agent is, for example, an epoxy-based crosslinking agent, an isocyanate-based crosslinking agent, an imine-based crosslinking agent, and the like. In an embodiment, the insulating glue 150 may further include other non-conductive additives, such as silane coupling agent.
绝缘胶150可直接连接触控模块140与第一偏光板120。在一实施例中，绝缘胶150可直接覆盖透明绝缘覆盖层142。在另一实施例中，绝缘胶150可直接覆盖触控感应层141的感应电极，在此设计下，可省略透明绝缘覆盖层142。由于整个绝缘胶150为非导电，即无导电粒子，因此，即使绝缘胶150直接接触触控感应层141，可减少发生或甚至避免发生导电粒子在热工艺中负面影响触控模块140或第一偏光板120的光电性质或结构外观的可能性。此外，绝缘胶150与触控感应层141之间无其它导电结构，因此可减少发生或甚至避免发生在热工艺中绝缘胶150与触控感应层141之间有任何导电粒子负面影响触控模块140或第一偏光板120的光电性质或结构外观的可能性。在一实施例中，绝缘胶150具有大于1013(欧姆/单位面积)的阻值，足以表示绝缘胶150本身无导电粒子。The insulating glue 150 can directly connect the touch module 140 and the first polarizer 120 . In one embodiment, the insulating glue 150 may directly cover the transparent insulating covering layer 142 . In another embodiment, the insulating glue 150 can directly cover the sensing electrodes of the touch sensing layer 141 , under this design, the transparent insulating covering layer 142 can be omitted. Since the entire insulating glue 150 is non-conductive, that is, there are no conductive particles, even if the insulating glue 150 directly contacts the touch sensing layer 141, it can reduce or even prevent the conductive particles from negatively affecting the touch module 140 or the first touch module 140 during the thermal process. Possibility of optoelectronic properties or structural appearance of the polarizing plate 120 . In addition, there is no other conductive structure between the insulating glue 150 and the touch sensing layer 141, so it can reduce or even prevent any conductive particles between the insulating glue 150 and the touch sensing layer 141 from negatively affecting the touch module during the thermal process. 140 or the possibility of optoelectronic properties or structural appearance of the first polarizer 120 . In one embodiment, the insulating glue 150 has a resistance greater than 1013 (ohm/unit area), which is sufficient to indicate that the insulating glue 150 itself has no conductive particles.
图2绘示图1的绝缘胶150的时间与电压关系曲线图。绝缘胶150的饱和带电压V0介于20千伏(kV)至30kV。当绝缘胶150的绝缘性愈高时，饱和带电压V0的半衰期愈长。本发明实施例绝缘胶150的饱和带电压V0的半衰期t1大于30分钟，表示绝缘胶150的绝缘性足以避免热工艺中有导电粒子负面影响触控模块140或第一偏光板120的光电性质或结构外观的可能性。FIG. 2 is a graph showing the relationship between time and voltage of the insulating glue 150 in FIG. 1 . The saturated band voltage V0 of the insulating glue 150 is between 20 kilovolts (kV) and 30 kV. When the insulating properties of the insulating glue 150 are higher, the half-life of the saturated band voltage V0 is longer. The half-lifet1 of the saturated band voltageV0 of the insulating glue 150 in the embodiment of the present invention is greater than 30 minutes, which means that the insulating property of the insulating glue 150 is sufficient to prevent the conductive particles in the thermal process from negatively affecting the photoelectricity of the touch module 140 or the first polarizer 120. Possibility of the nature or appearance of the structure.
图3绘示依照本发明另一实施例的触控显示装置200的剖视图。触控显示装置200包括显示模块110、第一偏光板120、第二偏光板130、触控模块140、盖板145及绝缘胶150。FIG. 3 is a cross-sectional view of a touch display device 200 according to another embodiment of the present invention. The touch display device 200 includes a display module 110 , a first polarizer 120 , a second polarizer 130 , a touch module 140 , a cover 145 and an insulating glue 150 .
触控感应层141可感应发生在触控显示装置100的一触控指令。触控感应层141可包含数个感应电极。例如，触控感应层141可包含多条第一感应电极及/或多条第二感应电极，其中第一感应电极沿第一方向延伸，而第二感应电极沿第二方向延伸，第二方向实质上垂直第二方向。感应电极可由透明导电材料制成，如铟锡氧化物(Indium Tin Oxide,ITO)、铟锌氧化物(indium zinc oxide,IZO)、聚乙撑二氧噻吩(PEDOT)或氧化铟镓锌(indiumgallium zinc oxide,IGZO)等。The touch sensing layer 141 can sense a touch command generated on the touch display device 100 . The touch sensing layer 141 may include several sensing electrodes. For example, the touch sensing layer 141 may include a plurality of first sensing electrodes and/or a plurality of second sensing electrodes, wherein the first sensing electrodes extend along a first direction, and the second sensing electrodes extend along a second direction. substantially perpendicular to the second direction. The sensing electrodes can be made of transparent conductive materials, such as indium tin oxide (Indium Tin Oxide, ITO), indium zinc oxide (indium zinc oxide, IZO), polyethylenedioxythiophene (PEDOT) or indium gallium zinc oxide (indiumgallium zinc oxide, IGZO) and so on.
绝缘胶150可为一感压黏着剂，材料包含(甲基)丙烯酸酯及交联剂，其中(甲基)丙烯酸酯例如是(甲基)丙烯酸甲酯、(甲基)丙烯酸乙酯、(甲基)丙烯酸丁酯、(甲基)丙烯酸－2－乙基己酯等；而交联剂例如是环氧系交联剂、异氰酸酯系交联剂、亚胺系交联剂等。在一实施例中，绝缘胶150尚可包含其他非导电添加剂，例如为硅烷偶合剂。The insulating glue 150 can be a pressure-sensitive adhesive, and the material includes (meth)acrylate and a crosslinking agent, wherein (meth)acrylate is, for example, methyl (meth)acrylate, ethyl (meth)acrylate, ( butyl methacrylate, 2-ethylhexyl (meth)acrylate, and the like; and the crosslinking agent is, for example, an epoxy-based crosslinking agent, an isocyanate-based crosslinking agent, an imine-based crosslinking agent, and the like. In an embodiment, the insulating glue 150 may further include other non-conductive additives, such as silane coupling agents.
在一实施例中，绝缘胶150具有大于1013(欧姆/单位面积)的阻值，足以表示绝缘胶150本身无导电粒子。在一实施例中，绝缘胶150的饱和带电压V0介于20千伏(kV)至30kV。In one embodiment, the insulating glue 150 has a resistance greater than 1013 (ohm/unit area), which is sufficient to indicate that the insulating glue 150 itself has no conductive particles. In one embodiment, the saturated band voltage V0 of the insulating glue 150 is between 20 kilovolts (kV) and 30 kV.
本实施例中，触控显示装置200是一种On Cell内嵌式触控显示结构。如图3所示，触控模块140整合于显示模块110的彩色滤光片层113上，而构成一内嵌式结构。绝缘胶150可直接连接第一偏光板120与触控模块140，例如，绝缘胶150可直接连接第一偏光板120的第一保护膜121与触控模块140的触控感应层141或透明绝缘覆盖层142。In this embodiment, the touch display device 200 is an On Cell embedded touch display structure. As shown in FIG. 3 , the touch module 140 is integrated on the color filter layer 113 of the display module 110 to form an embedded structure. The insulating glue 150 can directly connect the first polarizer 120 and the touch module 140, for example, the insulating glue 150 can directly connect the first protective film 121 of the first polarizer 120 and the touch sensing layer 141 of the touch module 140 or transparent insulation cover layer 142 .
由于整个绝缘胶150为非导电，即无导电粒子，因此，即使绝缘胶150直接接触触控感应层141，也不会有导电粒子在热工艺中负面影响触控模块140或第一偏光板120的光电性质或结构外观的可能性。此外，绝缘胶150与触控感应层141之间也无其它导电结构，因此可防止在热工艺中绝缘胶150与触控感应层141之间有任何导电粒子负面影响触控模块140或第一偏光板120的光电性质或结构外观的可能性。Since the entire insulating glue 150 is non-conductive, that is, there are no conductive particles, even if the insulating glue 150 directly contacts the touch sensing layer 141, there will be no conductive particles that will negatively affect the touch module 140 or the first polarizer 120 during the thermal process. Possibility of optoelectronic properties or structural appearance. In addition, there is no other conductive structure between the insulating glue 150 and the touch sensing layer 141, so that any conductive particles between the insulating glue 150 and the touch sensing layer 141 can be prevented from negatively affecting the touch module 140 or the first touch sensing layer 141 during the thermal process. Possibility of optoelectronic properties or structural appearance of the polarizing plate 120 .
当然，本发明还可有其它多种实施例，在不背离本发明精神及其实质的情况下，熟悉本领域的技术人员当可根据本发明作出各种相应的改变和变形，但这些相应的改变和变形都应属于本发明所附的权利要求的保护范围。Certainly, the present invention also can have other multiple embodiments, without departing from the spirit and essence of the present invention, those skilled in the art can make various corresponding changes and deformations according to the present invention, but these corresponding Changes and deformations should belong to the scope of protection of the appended claims of the present invention.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW104135396ATWI562892B (en) | 2015-10-28 | 2015-10-28 | Touch display device |
| TW104135396 | 2015-10-28 |
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| CN106648216Atrue CN106648216A (en) | 2017-05-10 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610955187.XAPendingCN106648216A (en) | 2015-10-28 | 2016-10-27 | Touch control display device |
| Country | Link |
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| CN (1) | CN106648216A (en) |
| TW (1) | TWI562892B (en) |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | Application publication date:20170510 | |
| RJ01 | Rejection of invention patent application after publication |