CN102681740A - Capacitive touch screen plate device - Google Patents

Capacitive touch screen plate device Download PDF

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Publication number
CN102681740A
CN102681740A CN 201210151656 CN201210151656A CN102681740A CN 102681740 A CN102681740 A CN 102681740A CN 201210151656 CN201210151656 CN 201210151656 CN 201210151656 A CN201210151656 A CN 201210151656A CN 102681740 A CN102681740 A CN 102681740A
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CN
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Patent type
Prior art keywords
lower
capacitive touch
protection glass
touch screen
upper layer
Prior art date
Application number
CN 201210151656
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Chinese (zh)
Inventor
廖志宏
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金百芳
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Abstract

The invention relates to the technical field of touch screens, in particular to a capacitive touch screen plate device, which comprises upper layer protection glass, lower layer protection glass and a transparent adhesive, wherein the bottom surface of the upper layer protection glass is plated with a transparent conducting film of upper layer IT0 (Indium Tin Oxide); the bottom surface of the lower layer protection glass is plated with a transparent conducting film of lower layer IT0; and the upper layer IT0 transparent conducting film surface of the upper layer protection glass is compounded onto the surface of the lower player protection glass through the optical transparent adhesive without performing chemical etching treatment. According to the capacitive touch screen plate device, chemical substances are not discharged, and the production cost is lowered.

Description

一种电容式触摸屏板装置 A capacitive touch panel device

技术领域 FIELD

[0001] 本发明涉及触摸屏技术领域,特别涉及一种电容式触摸屏板装置。 [0001] The present invention relates to a touch screen technology, and particularly relates to a capacitive touch panel device.

背景技术 Background technique

[0002] 电容式触摸屏是ー种通过电极和人体特性结合来感应触摸信号的触摸屏。 [0002] The capacitive touch screen is a touch screen to sense species ー touch signal through the electrodes and the binding characteristics of the human body. 当触摸屏四边均镀上狭长的电极后,在导电体内形成ー个低电压交流电场。 When the four sides of the touch screen are coated with an elongated electrode formed ー a low voltage alternating electric field in the conductive body. 在人体(手指)触摸屏幕时,由于人体电场作用,手指与导体层间会形成ー个耦合电容,四边电极产生的电流会流向触点,而电流強弱与手指到电极的距离成正比,位于触摸屏幕后的控制器便会计算电流的比例及強弱,准确算出触摸点的位置。 When the human body (finger) touches the screen, because the body effect of the electric field between the fingers and the conductor layer formed ー coupling capacitors, current flows to the four sides of the contact electrode produced, and the current strength proportional to the distance of the finger electrodes located touchscreen behind the controller will be calculated and the ratio of the strength of the current, calculates the exact position of the touch.

[0003] 现有技术中的电容式触摸屏的构造主要分为五层,分别为:上层保护玻璃、透明粘胶、下层保护玻璃以及下层保护玻璃的上下两面镀有上层ITO的透明导电薄膜、底层ITO的透明导电薄膜。 [0003] The capacitive touch screen is constructed in the prior art is divided into five layers, namely: an upper transparent conductive film ITO upper cover glass, transparent glue, the lower protective glass cover glass and the lower plating upper and lower surfaces, the bottom the transparent conductive film of ITO. 电容式触摸屏的上下双层保护玻璃不但能彻底保护导体及感应器,更能有效地防止外在环境因素对触摸屏造成影响,就算屏幕沾有污秽、尘埃或油溃,电容式触摸屏依然能准确算出触摸位置,其透光率和清晰度均优于四线电阻式触摸屏。 Bunk protective glass capacitive touch screen not only can completely protect the conductors and sensors, more effectively prevent external environmental factors impact on the touch screen, even if the screen piles of dirty, dust or oil collapse, capacitive touch screen is still able to accurately calculate the a touch position, light transmittance and clarity are better than four-wire resistive touch screen.

[0004] 但是,这种电容式触摸屏的缺点是在下层保护玻璃的上下两面镀有上层ITO的透明导电薄膜、底层ITO的透明导电薄膜,需要通过化学蚀刻处理,排放化学原料,增加环境的污染,同时增加生产成本。 [0004] However, a disadvantage of such a capacitive touch screen in the lower cover glass upper and lower surfaces coated with a transparent conductive thin film upper layer of ITO, a transparent conductive film underlying ITO is required by chemical etching treatment, discharge chemicals, increased environmental pollution while increasing production costs.

发明内容 SUMMARY

[0005] 为了克服现有技术中存在的上述不足之处,本发明的目的在于提供ー种电容式触摸屏板装置,该装置生产成本低,不需要化学蚀刻处理,无化学物质排放。 [0005] In order to overcome the above deficiencies in the prior art, the object of the present invention to provide a capacitive touch screen types ー plate means, the apparatus is low cost, it does not require chemical etching treatment, no chemical discharge.

[0006] 为了达到上述之目的,本发明采用如下具体技术方案:一种电容式触摸屏板装置,包括上层保护玻璃和下层保护玻璃,所述上层保护玻璃的底面镀有上层ITO的透明导电薄膜,所述下层保护玻璃的底面镀有下层ITO的透明导电薄膜,所述上层ITO的透明导电薄膜面通过透明粘胶与下层保护玻璃的表面复合。 [0006] In order to achieve the above object, the present invention provides the following specific technical solution: A capacitive touch panel device comprising an upper and a lower cover glass to protect the glass, the upper bottom surface of the cover glass coated with transparent conducting ITO upper layer of film, the bottom surface of the lower cover glass coated with a transparent conductive ITO film of the lower layer, the upper layer of the ITO transparent conductive thin film surface of the composite glass surface protected by a transparent adhesive to the lower layer.

[0007] 与现有的技术相比,本发明具有以下突出优点和效果:通过上层保护玻璃底面镀有ー层ITO的透明导电薄膜,下层保护玻璃上表面镀有ー层ITO的透明导电薄膜,在通过透明粘胶将上下层保护玻璃复合形成,不需要化学蚀刻处理,无化学物质排放,降低生产成本。 [0007] Compared with the prior art, the present invention has the following outstanding advantages and effects: the bottom surface through the upper cover glass coated with a transparent conductive layer of ITO film ー, the lower surface of the protective glass coated with a transparent conductive thin film layer ー of ITO, When the composite is formed on the lower transparent cover glass adhesive, it does not require chemical etching treatment, no chemical emissions, reduce production costs.

附图说明 BRIEF DESCRIPTION

[0008] 图I为本发明的结构示意图。 [0008] The structural diagram I of the present invention.

[0009] 下面结合附图对本发明作进ー步的详细说明。 [0009] The present invention will be described in detail further below in conjunction with the intake ー accompanying drawings.

[0010] 具体实施方式 [0010] DETAILED DESCRIPTION

如图I所示,ー种电容式触摸屏板装置,包括上层保护玻璃I、下层保护玻璃4以及透明粘胶3组成,所述上层保护玻璃I的底面镀有上层ITO的透明导电薄膜2,所述下层保护玻璃4的底面镀有下层ITO的透明导电薄膜5,在通过光学透明粘胶3将上层保护玻璃I的上层ITO透明导电薄膜2面复合到下层保护玻璃4的表面,上层ITO的透明导电薄膜2包括多个触控电极,触控电极电极在通过导线与触控芯片连接,上层ITO的透明导电薄膜2上分别采用图形结构设计。 Shown ー species capacitive touch panel device comprising an upper cover glass I, the lower layer 4 and a transparent protective glass adhesive composition 3 in FIG. I, the bottom surface of the upper layer I protective glass coated with a transparent conductive film of ITO upper layer 2, the said bottom surface of the lower protective glass 4 is coated with a transparent conductive ITO film 5 of the lower surface of the protective glass 4 by an optically transparent adhesive 3 to the upper ITO transparent conductive film of the upper protective glass I 2 to the lower surface of the composite, the upper layer of ITO transparent electroconductive thin film includes a plurality of touch electrodes 2, the touch electrode is connected by a wire to the touch chip, respectively graphic design on the upper transparent conductive film of ITO.

[0011] 本发明通过上层保护玻璃底面度有ー层ITO的透明导电薄膜,下层保护玻璃上表面镀有ー层ITO的透明导电薄膜,在通过透明粘胶将上下层保护玻璃复合形成,不需要化学蚀刻处理,无化学物质排放,降低生产成本。 [0011] The present invention has the bottom surface of the protective glass through the upper transparent conductive layer of ITO film ー, ー surface coated with ITO transparent conductive thin film layer on the lower layer of the protective glass, a transparent adhesive is formed by the upper and lower cover glass composite, no chemical etching treatment, no chemical emissions, reduce production costs.

[0012] 最后应说明的是:以上实施例仅用以说明本发明的技术方案而非限制,尽管參照较佳实施例对本发明进行了详细说明,本领域的普通技术人员应当理解,可以对本发明的技术方案进行修改或者等同替换,而不脱离本发明技术方案的精神和范围,其均应涵盖在本发明的权利要求范围当中。 [0012] Finally, it should be noted that: the above embodiments are intended to illustrate and not limit the present invention, although the present invention has been described in detail with reference to preferred embodiments, those of ordinary skill in the art should be understood that the present invention technical solutions modifications or equivalent replacements without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the present invention as claimed in which the required range.

Claims (2)

  1. 1. 一种电容式触摸屏板装置,包括上层保护玻璃和下层保护玻璃,其特征在于:所述上层保护玻璃的底面镀有上层ITO的透明导电薄膜,所述下层保护玻璃的底面镀有下层ITO的透明导电薄膜,所述上层ITO的透明导电薄膜面通过透明粘胶与下层保护玻璃的表面見合。 A capacitive touch panel device comprising an upper and a lower cover glass protective glass, characterized in that: a bottom surface of the upper cover glass coated with a transparent conductive ITO film of the upper layer, the lower layer of the bottom surface of the cover glass coated with ITO lower transparent conductive film, transparent conductive ITO film side of the upper surface of the cover glass transparent adhesive engagement with the underlying see.
  2. 2.根据权利要求I所述一种电容式触摸屏板装置,其特征在于:所述透明粘胶采用光学透明粘胶。 2. I claim the A capacitive touch panel device, wherein: said transparent adhesive using an optically transparent adhesive.
CN 201210151656 2012-05-16 2012-05-16 Capacitive touch screen plate device CN102681740A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201222242Y (en) * 2008-06-11 2009-04-15 深圳市德普特光电显示技术有限公司 Capacitance touch screen
CN201804311U (en) * 2009-07-10 2011-04-20 苹果公司 Mother board used for manufacturing plurality of touch sensor panels
CN102171630A (en) * 2008-07-30 2011-08-31 弗莱克斯电子有限责任公司 Glass substrate for capacitive touch panel and manufacturing method thereof
KR20110109244A (en) * 2010-03-31 2011-10-06 (주)넥스디스플레이 Electrostatic capacity type touch screen panel with the excellent visibility and preparing method for the same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201222242Y (en) * 2008-06-11 2009-04-15 深圳市德普特光电显示技术有限公司 Capacitance touch screen
CN102171630A (en) * 2008-07-30 2011-08-31 弗莱克斯电子有限责任公司 Glass substrate for capacitive touch panel and manufacturing method thereof
CN201804311U (en) * 2009-07-10 2011-04-20 苹果公司 Mother board used for manufacturing plurality of touch sensor panels
KR20110109244A (en) * 2010-03-31 2011-10-06 (주)넥스디스플레이 Electrostatic capacity type touch screen panel with the excellent visibility and preparing method for the same

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