技术领域technical field
本实用新型涉及一种具有指纹传感器的输入装置以及包含它的便携式电子设备。The utility model relates to an input device with a fingerprint sensor and a portable electronic device containing it.
背景技术Background technique
最近，随着大众对智能手机(smartphone)或者平板电脑(tabletPC)等便携式电子设备的关注度的提高，相关技术领域的研究开发也在如火如荼地进行着。便携式电子设备为一种用于接收来自用户的特定命令的输入设备，大多情况是内置与作为显示装置的显示屏构成一体化的触摸屏(touchscreen)。并且，便携式电子设备除了触摸屏还包括各种功能键(functionkey)或者软键(softkey)等作为输入装置。Recently, as the public pays more and more attention to portable electronic devices such as smartphones or tablet PCs, research and development in related technical fields are also in full swing. A portable electronic device is an input device for receiving a specific command from a user, and in most cases, it has a built-in touch screen integrated with a display screen as a display device. Moreover, besides the touch screen, the portable electronic device also includes various function keys or soft keys as input devices.
图1示出了便携式电子设备中智能手机的一般形状。参考图1，在便携式电子设备1000的前面设有显示屏部1100。显示屏部1100包括静电容量方式的触摸屏，在此，如果用户的身体(手指等)与显示屏部接触，则通过检测内置的电容器的静电容量变化，从而检测触摸与否。Figure 1 shows the general shape of a smartphone among portable electronic devices. Referring to FIG. 1 , a display screen part 1100 is provided on the front of a portable electronic device 1000 . The display unit 1100 includes a capacitive touch panel. Here, when the user's body (finger, etc.) comes into contact with the display unit, the touch is detected by detecting a change in the capacitance of a built-in capacitor.
静电容量方式的触摸屏有着以下优点：反应迅速并且不需要其他输入工具，并且可以多点触控。但是缺点在于，用户必须对触摸屏进行预定的面积或压力以上的触摸才能被检测到，因此难以进行精细的输入。The capacitive touch screen has the following advantages: it responds quickly and does not require other input tools, and it can be multi-touched. However, the disadvantage is that the user must touch the touch screen over a predetermined area or pressure to be detected, so it is difficult to perform fine input.
为了解决上述问题，引入了利用电磁笔的触摸屏技术。电磁笔也被称为电磁谐振(EMR：Electro-MagneticResonance)笔，并且内部内置有电容器和线圈。触摸屏中布置有环形线圈，并且使环形线圈导通电流而产生的电磁波会被电磁笔吸收，而电磁笔以特定的频率释放所吸收的电磁波，触摸屏的环形线圈再次吸收该特定频率的电磁波，从而可以检测电磁笔的位置。利用电磁笔的触摸屏输入方式给以用户带熟悉的笔记工具的感觉，并且可以传递更精细的触摸感。并且，在用户为了用笔而使手接触到触摸屏的情况下，也能够选择性地只识别笔的输入。In order to solve the above-mentioned problems, a touch screen technology using an electromagnetic pen has been introduced. The electromagnetic pen is also called an electromagnetic resonance (EMR: Electro-Magnetic Resonance) pen, and a capacitor and a coil are built inside. A ring coil is arranged in the touch screen, and the electromagnetic wave generated by making the ring coil conduct current will be absorbed by the electromagnetic pen, and the electromagnetic pen releases the absorbed electromagnetic wave at a specific frequency, and the ring coil of the touch screen absorbs the electromagnetic wave of the specific frequency again, thus The position of the electromagnetic pen can be detected. The touch screen input method using the electromagnetic pen gives the user the feeling of a familiar note-taking tool, and can convey a finer touch feeling. In addition, when the user touches the touch panel with a hand to use a pen, only the pen input can be selectively recognized.
最近，结合电容方式和电磁笔方式，从而在两种情况下都能使用的复合触摸屏得到开发而变得普及。Recently, a composite touch panel capable of being used in both cases has been developed and popularized by combining a capacitive method and an electromagnetic pen method.
另外，便携式电子设备1000的下部可以形成用于执行确认执行、取消执行、显示菜单、返回等多种功能的home键1200以及功能键1300。该home键1200或者功能键1300为与具有触摸屏的显示屏部1100独立的输入装置，理论上可以是机械开关方式的键、或者与显示屏部1100相同的静电容量方式或者电磁笔方式的输入，但是在实际中，因收容空间的限制等理由，使用着机械开关方式的键(主要用于home键1200)或者静电容量方式的传感器(主要用于功能键1300)。In addition, the lower part of the portable electronic device 1000 may form a home key 1200 and a function key 1300 for performing various functions such as confirming execution, canceling execution, displaying a menu, and returning. The home key 1200 or the function key 1300 is an input device independent of the display screen portion 1100 with a touch screen, and theoretically can be a mechanical switch key, or the same electrostatic capacity or electromagnetic pen input as the display screen portion 1100, However, in practice, mechanical switch type keys (mainly used for the home key 1200 ) or capacitance type sensors (mainly used for the function key 1300 ) are used due to the limitation of the storage space.
因此，用户通过电磁笔方式向显示屏部1100输入命令的时候，存在为了使用功能键1300而需要用手指而不是电磁笔来触摸功能键1300等用户使用体验上的多种不便。Therefore, when the user inputs commands to the display screen portion 1100 by means of an electromagnetic pen, there are many inconveniences in user experience such as touching the function keys 1300 with fingers instead of an electromagnetic pen in order to use the function keys 1300 .
另外，最近随着便携式电子设备的安全得到重视，home键1200中引入了内置指纹传感器的形态。指纹传感器为检测人的手指指纹的传感器，其通过指纹传感器进行用户的登录或者认证步骤，从而保护电子设备中储存的数据，并提前防止安全事故。In addition, recently, as the security of portable electronic devices has been emphasized, a form of a built-in fingerprint sensor has been introduced into the home button 1200 . The fingerprint sensor is a sensor that detects the fingerprint of a person's finger, and performs user login or authentication steps through the fingerprint sensor, thereby protecting data stored in electronic devices and preventing security accidents in advance.
并且，在便携式电子设备中，也会将执行光标等指针操作的导航功能整合到指纹传感器。除此之外，也会将接收来自用户的信息的开关功能整合到指纹传感器。Moreover, in portable electronic devices, a navigation function for performing pointer operations such as a cursor will also be integrated into the fingerprint sensor. In addition to this, a switch function that receives information from the user will also be integrated into the fingerprint sensor.
但是现有的指纹传感器形态的home键1200和静电容量方式的功能键1300分别单独地安装于电子设备，所以分别需要单独的工艺，因此存在工艺的非效率化以及费用增加等问题。并且如上文所述，在显示屏部1100支持电磁笔的输入的情况下，功能键1300在使用电磁笔时也会给用户带来体验上的不方便。However, the conventional home key 1200 in the form of a fingerprint sensor and the function key 1300 in the form of an electrostatic capacity are separately mounted on an electronic device, so separate processes are required, resulting in inefficiencies in process and increased costs. And as mentioned above, when the display screen part 1100 supports the input of the electromagnetic pen, the function key 1300 will also bring inconvenience to the user experience when using the electromagnetic pen.
所以，亟需内置有能够解决这些问题点的指纹传感器的输入装置以及包含它的便携式电子设备的开发。Therefore, there is an urgent need for the development of an input device incorporating a fingerprint sensor capable of solving these problems and a portable electronic device including the same.
实用新型内容Utility model content
技术问题technical problem
本实用新型是为了解决上述的现有技术的问题而提出的，其目的在于提供一种如下的输入装置：输入装置包括指纹传感器，其中home键使用指纹传感器，功能键使用静电容量方式或者电磁笔方式中的任一输入方式的可输入的复合检测传感器。The utility model is proposed in order to solve the above-mentioned problems in the prior art, and its purpose is to provide an input device as follows: the input device includes a fingerprint sensor, wherein the home key uses a fingerprint sensor, and the function keys use an electrostatic capacitance method or an electromagnetic pen Composite detection sensors that can be input in any of the input modes.
并且，本实用新型的目的在于提供一种能够提供优秀的用户体验，并且制作工艺简单而且可以减少费用的一体化方式的输入装置。Furthermore, the purpose of the present invention is to provide an integrated input device that can provide excellent user experience, has a simple manufacturing process, and can reduce costs.
技术方案Technical solutions
为了实现上述目的，本实用新型的实施例提供一种输入装置，作为包括指纹传感器模块以及复合检测传感器的便携式电子设备用输入装置，其特征在于：所述指纹传感器模块包括：支架；指纹传感器，位于所述支架的上侧，并且具有形成于柔性基板的传感部和与所述传感部电连接的传感器电路部；涂布层，位于所述指纹传感器的上侧，并且，所述复合检测传感器包括：电极，通过静电容量的变化来检测导体的接近或者接触；环形线圈以及电磁传感器，检测通过电磁笔释放的磁场，以检测电磁笔的接近或者接触，并且，所述指纹传感器模块以及所述复合检测传感器位于同一底部基板上。In order to achieve the above object, an embodiment of the present utility model provides an input device as an input device for a portable electronic device including a fingerprint sensor module and a composite detection sensor, wherein the fingerprint sensor module includes: a bracket; a fingerprint sensor, It is located on the upper side of the bracket, and has a sensing part formed on a flexible substrate and a sensor circuit part electrically connected to the sensing part; a coating layer is located on the upper side of the fingerprint sensor, and the composite The detection sensor includes: an electrode, which detects the approach or contact of the conductor through the change of the electrostatic capacity; the ring coil and the electromagnetic sensor, which detect the magnetic field released by the electromagnetic pen to detect the approach or contact of the electromagnetic pen, and the fingerprint sensor module and The composite detection sensors are on the same bottom substrate.
本实用新型的一实施例中，所述指纹传感器模块还包括锅仔片，所述锅仔片可以位于所述支架和所述底部基板之间，或者位于所述底部基板的下侧。In an embodiment of the present invention, the fingerprint sensor module further includes a metal pin, and the metal pin may be located between the bracket and the bottom substrate, or located on the lower side of the bottom substrate.
本实用新型的一实施例中，多个所述复合检测传感器可以在所述底部基板上的所述指纹传感器模块的两侧分开地设置。In an embodiment of the present invention, a plurality of the composite detection sensors may be separately arranged on two sides of the fingerprint sensor module on the bottom substrate.
本实用新型的一实施例中，所述指纹传感器可以包括连接部，该连接部形成外部接口连接线，并且具有可挠性，所述连接部可以通过粘结剂与所述底部基板的上表面或者下表面连接。In an embodiment of the present utility model, the fingerprint sensor may include a connection part, which forms an external interface connection line, and has flexibility, and the connection part may be connected to the upper surface of the bottom substrate through an adhesive. or subsurface connection.
本实用新型的一实施例中，所述粘结剂可以由异方性导电膜构成。In an embodiment of the present invention, the adhesive may be composed of an anisotropic conductive film.
本实用新型的一实施例中，所述传感部可以位于所述柔性基板的上表面，并且所述传感器电路部位于所述柔性基板的下表面。In an embodiment of the present invention, the sensing part may be located on the upper surface of the flexible substrate, and the sensor circuit part may be located on the lower surface of the flexible substrate.
本实用新型的一实施例中，所述传感部可以由位于所述柔性基板的上表面的图像接收电极以及多个驱动电极组成，所述图像接收电极与所述传感器电路部电连接，所述多个驱动电极的一端部从所述图像接收电极分隔预定的距离而布置，并且所述多个驱动电极的另一端部与传感器电路部电连接。In an embodiment of the present utility model, the sensing part may be composed of an image receiving electrode located on the upper surface of the flexible substrate and a plurality of driving electrodes, the image receiving electrode is electrically connected to the sensor circuit part, and the One end portions of the plurality of driving electrodes are arranged at a predetermined distance from the image receiving electrodes, and the other end portions of the plurality of driving electrodes are electrically connected to the sensor circuit portion.
本实用新型的一实施例中，所述涂布层可以包括利用涂料的薄膜形成的后加工层。In an embodiment of the present invention, the coating layer may include a post-processing layer formed by a thin film of paint.
为了实现上述目的的本实用新型的另一实施例提供配备有上述输入装置的便携式电子设备。Another embodiment of the present invention to achieve the above purpose provides a portable electronic device equipped with the above input device.
为了实现上述目的的本实用新型的又一实施例，提供一种便携式电子设备用输入装置，其特征在于，包括：底部基板；指纹传感器模块，位于所述底部基板上，并且具有识别用户指纹的指纹传感器以及识别用户的手指的按压的锅仔片；复合检测传感器，在所述基板上与所述指纹传感器模块分隔而布置，并且检测导体以及电磁笔的接近或者接触。In order to achieve the above purpose, another embodiment of the present utility model provides an input device for portable electronic equipment, which is characterized in that it includes: a bottom substrate; a fingerprint sensor module, located on the bottom substrate, and having a user fingerprint A fingerprint sensor and a pin that recognizes the pressing of the user's finger; a composite detection sensor is arranged on the substrate separated from the fingerprint sensor module, and detects the approach or contact of a conductor and an electromagnetic pen.
有益效果Beneficial effect
根据本实用新型的一实施例，可以提供一种配备指纹传感器和复合检测传感器的一体化的输入装置以及包含它的便携式电子设备。According to an embodiment of the present invention, an integrated input device equipped with a fingerprint sensor and a composite detection sensor and a portable electronic device including the same can be provided.
并且，根据本实用新型的一实施例，可以提供一种，可以利用通过利用指纹传感器而具有安全功能并且使用方便的home键的，输入装置以及包括它的便携式电子设备。Also, according to an embodiment of the present invention, an input device and a portable electronic device including the same can be provided, which can utilize a home key which has a security function and is easy to use by using a fingerprint sensor.
并且，根据本实用新型的一实施例，可以提供一种，可以利用可以通过电容方式和电磁笔方式的输入的功能键的，输入装置以及包括它的便携式电子设备。In addition, according to an embodiment of the present invention, an input device and a portable electronic device including the function keys that can be used for input through the capacitive method and the electromagnetic pen method can be provided.
并且，根据本实用新型的一实施例，可以提供能够优秀的用户体验，并且制作工艺简单，还可以减少费用的一体化方式的输入装置以及包括它的便携式电子设备。Moreover, according to an embodiment of the present invention, an integrated input device and a portable electronic device including the input device can be provided with excellent user experience, simple manufacturing process, and reduced cost.
本实用新型的效果不限于上述效果，并且应当认识到，包括可以从本实用新型的详细说明或者权利要求书中记载的本实用新型的构成推出的所有效果。The effects of the present invention are not limited to the above effects, and should be recognized to include all effects that can be deduced from the constitution of the present invention described in the detailed description of the present invention or the claims.
附图说明Description of drawings
图1为示出便携式电子设备的一般形状的图。FIG. 1 is a diagram showing a general shape of a portable electronic device.
图2的(a)为根据本实用新型的一实施例的便携式电子设备用输入装置的立体图，图2(b)为其平面图。Fig. 2(a) is a perspective view of an input device for a portable electronic device according to an embodiment of the present invention, and Fig. 2(b) is a plan view thereof.
图3为沿图2(b)的A-A’线的剖面图。Fig. 3 is a cross-sectional view along line A-A' of Fig. 2(b).
图4为图3中示出的指纹传感器的立体图。FIG. 4 is a perspective view of the fingerprint sensor shown in FIG. 3 .
图5为图3中示出的指纹传感器的概略的结构图。FIG. 5 is a schematic configuration diagram of the fingerprint sensor shown in FIG. 3 .
图6为根据本实用新型的另一实施例的便携式电子设备用输入装置的剖面图。FIG. 6 is a cross-sectional view of an input device for a portable electronic device according to another embodiment of the present invention.
图7为图6中示出的指纹传感器的立体图。FIG. 7 is a perspective view of the fingerprint sensor shown in FIG. 6 .
图8为示出根据本实用新型的一实施例的便携式电子设备用输入装置中具备的复合检测传感器检测静电容量变化的过程的模式图。FIG. 8 is a schematic diagram illustrating a process in which a composite detection sensor included in an input device for a portable electronic device according to an embodiment of the present invention detects a change in electrostatic capacity.
图9为示出根据本实用新型的一实施例的便携式电子设备用输入装置中具备的复合检测传感器检测磁场变化的过程的模式图。FIG. 9 is a schematic diagram illustrating a process of detecting a change in a magnetic field by a composite detection sensor included in an input device for a portable electronic device according to an embodiment of the present invention.
具体实施方式detailed description
以下，参考附图对本实用新型进行说明。但是本实用新型可以通过多种不同的形态实施，所以不限于本说明书中说明的实施例。并且，附图中为了明确地说明本实用新型，省略了与说明无关的部分，并且在说明书全文中对类似的部分附加了类似的附图符号。Hereinafter, the utility model is described with reference to the accompanying drawings. However, since this invention can be implemented in various forms, it is not limited to the Example demonstrated in this specification. In addition, in the drawings, in order to clearly describe the present invention, parts irrelevant to the description are omitted, and similar reference signs are assigned to similar parts throughout the specification.
说明书全文中，提到某个部分与其他部分“连接”时，不仅包括“直接连接”的情况，还包括其中间夹设其他部件的“间接连接”的情况。并且，提到某个部分“包括”某个构成要素的时候，在没有相反的记载的情况下，不排除其他构成要素，而意味着还可以具有其他构成要素。Throughout the specification, when it is mentioned that a certain part is "connected" to other parts, it includes not only the case of "direct connection", but also the case of "indirect connection" in which other parts are interposed therebetween. Furthermore, when it is mentioned that a certain part "includes" a certain constituent element, unless there is a description to the contrary, it does not exclude other constituent elements, but means that other constituent elements may also be included.
以下，参考附图对本实用新型的实施例进行详细的说明。Hereinafter, embodiments of the present utility model will be described in detail with reference to the accompanying drawings.
图2的(a)为根据本实用新型的一实施例的便携式电子设备用输入装置的立体图，并且图2的(b)为其平面图。在这里，便携式电子设备包括手机、智能手机、PDA、平板电脑、笔记本电脑、便携式音频播放器(MP3播放器)以及与这些类似形态的所有可携带的电子设备。(a) of FIG. 2 is a perspective view of an input device for a portable electronic device according to an embodiment of the present invention, and (b) of FIG. 2 is a plan view thereof. Here, portable electronic devices include mobile phones, smart phones, PDAs, tablet computers, notebook computers, portable audio players (MP3 players), and all portable electronic devices of similar form.
如图所示，输入装置10包括：底部基板100、指纹传感器模块200以及复合检测传感器300。在此，图中示出了复合检测传感器300由分别设置于指纹传感器模块200的左右两侧的两个传感器300a、300b组成的情形，但是也可以由一个或三个以上的传感器组成。指纹传感器模块200与图1中示出的便携式电子设备1000的home键1200对应，并且两个复合检测传感器300a、300b分别与图1中示出的两个功能键1300a、1300b对应。As shown in the figure, the input device 10 includes: a bottom substrate 100 , a fingerprint sensor module 200 and a composite detection sensor 300 . Here, the composite detection sensor 300 is shown to be composed of two sensors 300a and 300b disposed on the left and right sides of the fingerprint sensor module 200, but it may also be composed of one or more than three sensors. The fingerprint sensor module 200 corresponds to the home key 1200 of the portable electronic device 1000 shown in FIG. 1, and the two composite detection sensors 300a, 300b correspond to the two function keys 1300a, 1300b shown in FIG. 1, respectively.
指纹传感器模块200位于底部基板100上，并且包括识别用户的指纹的指纹传感器。指纹传感器模块200还可以包括识别用户的手指的按压的锅仔片。The fingerprint sensor module 200 is located on the bottom substrate 100 and includes a fingerprint sensor that recognizes a user's fingerprint. The fingerprint sensor module 200 may further include a dome that recognizes the pressing of the user's finger.
复合检测传感器300在底部基板100上与指纹传感器模块200分开布置，并且检测导体以及电磁笔的接近或者接触。如此地，指纹传感器模块200和复合检测传感器300一体地设置在同一个底部基板100上，并且把如此地被封装的输入装置安装到便携式电子设备上，从而与把指纹传感器模块200和复合检测传感器300分别通过独立的工艺安装到便携式电子设备的情况相比，工艺更简单并且可以减少费用，缩短工艺时间。The composite detection sensor 300 is arranged separately from the fingerprint sensor module 200 on the bottom substrate 100 , and detects the approach or contact of a conductor and an electromagnetic pen. In this way, the fingerprint sensor module 200 and the composite detection sensor 300 are integrally provided on the same base substrate 100, and the input device thus packaged is mounted on a portable electronic device, thereby being integrated with the fingerprint sensor module 200 and the composite detection sensor. Compared with the case where 300 are mounted on the portable electronic device through independent processes, the process is simpler and can reduce the cost and shorten the process time.
首先，在下面参考图3至图7对具体的指纹传感器模块200的构成、功能以及作用进行说明，然后参考图8以及图9对具体的复合检测传感器300的构成、功能以及作用在下文中进行说明。First, the composition, function and function of the specific fingerprint sensor module 200 will be described below with reference to FIGS. .
图3为沿图2的(b)的A-A’线的剖面图，图4为图3中示出的指纹传感器的立体图，并且图5为图3中示出的指纹传感器的概略的结构图。3 is a sectional view along line AA' of (b) of FIG. 2 , FIG. 4 is a perspective view of the fingerprint sensor shown in FIG. 3 , and FIG. 5 is a schematic structure of the fingerprint sensor shown in FIG. 3 picture.
如图所示，指纹传感器模块200可以包括支架210、指纹传感器220、外圈230以及涂布层240。指纹传感器220包括形成外部接口连接线且具有可挠性的连接部221，并且该连接部221可以通过粘接剂500连接于底部基板100的上表面或者下表面。对此的详细构成在后面进行说明。As shown, the fingerprint sensor module 200 may include a bracket 210 , a fingerprint sensor 220 , an outer ring 230 and a coating layer 240 . The fingerprint sensor 220 includes a flexible connection part 221 forming an external interface connection line, and the connection part 221 can be connected to the upper surface or the lower surface of the bottom substrate 100 through an adhesive 500 . The detailed configuration of this will be described later.
支架210为固定指纹传感器220的部件，其决定指纹传感器模块200的整体形状。对支架210的材料没有特别的限制，但是指纹传感器模块200在使用于柔性(flexible)基板或柔性显示屏时，优选为支架210由具有可挠性的材质形成。The bracket 210 is a component for fixing the fingerprint sensor 220 , which determines the overall shape of the fingerprint sensor module 200 . The material of the bracket 210 is not particularly limited, but when the fingerprint sensor module 200 is used on a flexible substrate or a flexible display screen, it is preferable that the bracket 210 is formed of a flexible material.
指纹传感器220为具有指纹检测功能的部件，其位于支架210的上侧，并且具有与形成于柔性基板222的传感部223和与该传感部223电连接的传感器电路部224(参考图5)。The fingerprint sensor 220 is a component with a fingerprint detection function, which is located on the upper side of the bracket 210, and has a sensor circuit part 224 (referring to FIG. ).
参考图5具体地观察传感部223以及传感器电路部224的构成。传感部223形成于基板222的上表面，并且传感器电路部224形成于基板222的下表面。图5的(a)中示出了基板222的上表面，并且图5的(b)示出了基板222的下表面，并且图5的(c)为易懂地示出传感部223和传感器电路部224的电连接关系的结构图。The configuration of the sensor unit 223 and the sensor circuit unit 224 will be specifically observed with reference to FIG. 5 . The sensor part 223 is formed on the upper surface of the substrate 222 , and the sensor circuit part 224 is formed on the lower surface of the substrate 222 . (a) of FIG. 5 shows the upper surface of the substrate 222, and (b) of FIG. 5 shows the lower surface of the substrate 222, and (c) of FIG. A structural diagram of the electrical connection relationship of the sensor circuit unit 224.
基板222可以是柔性(flexible)基板，例如由聚酰胺(polymide)膜构成，但是不限于该材料。The substrate 222 may be a flexible substrate such as a polymide film, but is not limited to this material.
传感部223包括形成在基板222上的多个驱动电极223a以及图像接收电极223b。驱动电极223a以及图像接收电极223b可以由导电线构成。The sensing part 223 includes a plurality of driving electrodes 223 a and image receiving electrodes 223 b formed on the substrate 222 . The driving electrodes 223a and the image receiving electrodes 223b may be composed of conductive wires.
驱动电极223a接收来自传感器电路部224的驱动信号，然后输出给图像接收电极223b侧。图像接收电极223b从驱动电极223a接收经过用户(确切为用户的手指)而传递的信号。The driving electrode 223a receives a driving signal from the sensor circuit unit 224, and outputs it to the image receiving electrode 223b side. The image receiving electrode 223b receives a signal transmitted through the user (exactly, the user's finger) from the driving electrode 223a.
位于基板222的上表面的图像接收电极223b的一端部部分沿横向长距离延伸而形成。多个驱动电极223a以与该图像接收电极223b的延伸方向成垂直的方式相互分隔且平行地延伸而形成，(参见图5的(a))。图像接收电极223b在基板222的下表面与传感器电路部224形成电连接。One end portion of the image receiving electrode 223b located on the upper surface of the substrate 222 is formed extending a long distance in the lateral direction. A plurality of driving electrodes 223a are formed to be separated from each other and extend in parallel in a manner perpendicular to the extending direction of the image receiving electrodes 223b (see (a) of FIG. 5 ). The image receiving electrode 223 b is electrically connected to the sensor circuit unit 224 on the lower surface of the substrate 222 .
多个驱动电极223a的一端部位于距离图像接收电极223b分隔预定间距的位置处。并且，多个驱动电极223a的另一端部在基板222的下表面与传感器电路部224形成电连接。One end portions of the plurality of driving electrodes 223a are located at positions spaced apart from the image receiving electrodes 223b by a predetermined interval. Further, the other ends of the plurality of driving electrodes 223 a are electrically connected to the sensor circuit unit 224 on the lower surface of the substrate 222 .
如图5所示，驱动电极223a和图像接收电极223b互相分隔，并且从驱动电极223a发送的驱动信号经过用户而被接收电极223b接收。此时，通过测量根据位于用户的手指的指纹谷或者指纹脊的有无而产生的电场变化，可以识别指纹。As shown in FIG. 5, the driving electrode 223a and the image receiving electrode 223b are separated from each other, and the driving signal transmitted from the driving electrode 223a is received by the receiving electrode 223b via the user. At this time, the fingerprint can be identified by measuring a change in electric field generated according to the presence or absence of fingerprint valleys or fingerprint ridges located on the user's finger.
附图中只示出了九个驱动电极223a，但这只是示例性的，可以设置例如200个驱动电极。向多个驱动电极223a提供分时驱动信号，并且从图像接收电极223b依次接收信号，从而可以接收一条线的指纹信息。用户对指纹传感器220滑动手指的情况下，通过积累(stack)上述指纹信息，可以得到一个整体的指纹图像。Only nine driving electrodes 223a are shown in the drawings, but this is only exemplary, for example, 200 driving electrodes may be provided. Time-division driving signals are supplied to the plurality of driving electrodes 223a, and signals are sequentially received from the image receiving electrodes 223b, so that fingerprint information of one line can be received. When the user slides his finger on the fingerprint sensor 220, a whole fingerprint image can be obtained by accumulating (stacking) the above fingerprint information.
另外，指纹传感器200可以实现为使图像接收电极相比驱动电极更多。此时，响应从驱动电极施加的驱动信号，由多个图像接收电极通过测量根据指纹谷或者指纹脊的有无而产生的电场变化来识别指纹。In addition, the fingerprint sensor 200 may be implemented with more image receiving electrodes than driving electrodes. At this time, in response to a driving signal applied from the driving electrodes, a fingerprint is recognized by a plurality of image receiving electrodes by measuring a change in an electric field according to the presence or absence of fingerprint valleys or fingerprint ridges.
再次参考图5的(b)以及(c)，传感器电路部224可以具有与外部电连接的外部接口连接线225。外部接口连接线225形成于上述连接部221上，例如可以是通用串行总线(USB：UniversalSerialBus)或者串行外围接口(SPI：SerialPeripheralInterface)连接线。Referring again to (b) and (c) of FIG. 5 , the sensor circuit unit 224 may have an external interface connection line 225 electrically connected to the outside. The external interface connection line 225 is formed on the above-mentioned connection part 221 and may be, for example, a Universal Serial Bus (USB: Universal Serial Bus) or a Serial Peripheral Interface (SPI: Serial Peripheral Interface) connection line.
连接部221一体地形成于柔性基板22，所以具有可挠性。连接部221具有从指纹传感器模块200突出形成的形状，且连接部221具有可挠性，因此可以大幅度地弯曲连接部221，并把其前端221a利用粘接剂500连接于底部基板100的下表面(参考图3)。粘接剂500例如可以由异方性导电膜(ACF：AnisotropicConductiveFilm)构成。The connection part 221 is integrally formed on the flexible substrate 22, so it has flexibility. The connection part 221 has a shape protruding from the fingerprint sensor module 200, and the connection part 221 has flexibility, so the connection part 221 can be greatly bent, and its front end 221a is connected to the lower part of the base substrate 100 with an adhesive 500. surface (refer to Figure 3). The adhesive 500 may be formed of, for example, an anisotropic conductive film (ACF: Anisotropic Conductive Film).
如上文所述，指纹传感器220可以通过覆晶薄膜(COF：Chip-On-Flex)方式实现，特别是在基板222的上表面只形成传感部223，即，驱动电极223a和图像接收电极223b，并且在基板222的下表面形成与传感部223连接的传感器电路部224，从而可以紧凑地形成整体外形。并且，通过在基板222的上表面不形成传感器电路部，从而可以使在指纹传感器模块200上设置玻璃变得容易，这在智能手机等便携式电子设备中的效果尤其有用。并且，与以往不同，通过在柔性基板上形成指纹传感器220，没必要必须形成驱动电极用金属外圈，所以对指纹传感器模块甚至电子设备的柔性化大有帮助，不仅如此，还也可以减少费用。As mentioned above, the fingerprint sensor 220 can be implemented by a chip-on-flex (COF: Chip-On-Flex) method, in particular, only the sensing part 223 is formed on the upper surface of the substrate 222, that is, the driving electrode 223a and the image receiving electrode 223b , and the sensor circuit part 224 connected to the sensor part 223 is formed on the lower surface of the substrate 222, so that the overall shape can be formed compactly. Furthermore, since no sensor circuit part is formed on the upper surface of the substrate 222, glass can be easily provided on the fingerprint sensor module 200, which is particularly useful in portable electronic devices such as smartphones. Moreover, unlike conventional ones, by forming the fingerprint sensor 220 on a flexible substrate, it is not necessary to form a metal outer ring for driving electrodes, so it greatly contributes to the flexibility of the fingerprint sensor module and even electronic equipment, and can also reduce costs. .
指纹传感器220基本上具有指纹检测功能。为此，指纹传感器220可专门储存针对指纹的特征点(例如‘Y’点等指纹分开的部分)的信息后，通过比较这样的特征点而检测指纹的一致与否等。在该情况下，可以缩短指纹检测所消耗的时间，并且通过处理器的简化可以实现小型化，从而可以提高对电子设备的安装性。The fingerprint sensor 220 basically has a fingerprint detection function. For this reason, the fingerprint sensor 220 can store information specifically for the feature points of the fingerprint (such as the part where the fingerprint is separated such as the 'Y' point), and then detect whether the fingerprints are consistent or not by comparing such feature points. In this case, the time taken for fingerprint detection can be shortened, and the simplification of the processor can realize miniaturization, thereby improving the mountability of the electronic device.
另外，指纹传感器220可以同时具有指纹检测功能和指针操作功能。即，指纹传感器220可以包括以下功能：检测用户指纹图像的随时间的变化，然后以该变化为基础移动光标等的指针的指针操作功能。In addition, the fingerprint sensor 220 may have both a fingerprint detection function and a pointer operation function. That is, the fingerprint sensor 220 may include a function of detecting a temporal change of the user's fingerprint image, and then a pointer operation function of moving a pointer such as a cursor based on the change.
再次参考图3，外圈230位于指纹传感器220的侧面，并形成指纹传感器220的边框。据此，用户可以通过外圈230识别便携式电子设备中指纹传感器模块200所处的区域。外圈230可以以覆盖指纹传感器220的边缘的全部或一部分的方式形成。外圈230通常由树脂或者橡胶构成，但是不限于此。Referring again to FIG. 3 , the outer circle 230 is located on the side of the fingerprint sensor 220 and forms a frame of the fingerprint sensor 220 . Accordingly, the user can identify the area where the fingerprint sensor module 200 is located in the portable electronic device through the outer circle 230 . The outer ring 230 may be formed to cover all or a part of the edge of the fingerprint sensor 220 . The outer ring 230 is usually made of resin or rubber, but is not limited thereto.
外圈230可以与支架210一体地形成。例如，外圈230和支架210可以通过注塑同时形成。在这里，外圈230可以支撑指纹传感器220的具有柔性的部分而形成。具体地，外圈230可以起到固定基板222的支撑台的作用，以防止柔性基板222因由传感器电路部224产生的阶梯差而晃动。The outer ring 230 may be integrally formed with the bracket 210 . For example, the outer ring 230 and the bracket 210 may be simultaneously formed by injection molding. Here, the outer ring 230 may be formed to support a flexible portion of the fingerprint sensor 220 . Specifically, the outer ring 230 can function as a support platform for fixing the substrate 222 to prevent the flexible substrate 222 from shaking due to the step difference generated by the sensor circuit part 224 .
涂布层240位于外圈230以及指纹传感器220的上侧。涂布层240可以由多个层(layer)来实现，并且根据多个层的功能发挥多种作用。The coating layer 240 is located on the upper side of the outer ring 230 and the fingerprint sensor 220 . The coating layer 240 may be implemented by a plurality of layers, and exert various functions according to the functions of the layers.
例如，涂布层240可以包括由利用涂料的薄膜形成的后加工层(未图示)。后加工层例如可以通过印刷工艺、彩色喷涂工艺、底漆(primer)工艺或者紫外线涂布(UVcoating)工艺等形成。For example, the coating layer 240 may include a post-processing layer (not shown) formed of a thin film using paint. The post-processing layer may be formed by, for example, a printing process, a color spraying process, a primer (primer) process, or an ultraviolet coating (UV coating) process.
涂布层240发挥多种功能，如在指纹传感器模块200形成颜色、加强指纹传感器模块200的上表面侧的强度等。特别是，指纹传感器220包括位于柔性基板的上表面以及下表面的传感部223和传感器电路部224，所以如上所述的强度加强的效果更有用。众所周知，为了使指纹传感器220能够进行恰当的指纹传感，优选为使包括后加工层的涂布层240的厚度为0.1mm以下。The coating layer 240 performs various functions such as forming a color on the fingerprint sensor module 200, strengthening the strength of the upper surface side of the fingerprint sensor module 200, and the like. In particular, the fingerprint sensor 220 includes the sensor part 223 and the sensor circuit part 224 located on the upper surface and the lower surface of the flexible substrate, so the effect of strengthening the strength as described above is more useful. As is well known, in order for the fingerprint sensor 220 to perform proper fingerprint sensing, it is preferable that the thickness of the coating layer 240 including the post-processing layer be 0.1 mm or less.
支架210的下表面可以具备锅仔片250。即，锅仔片250可以位于支架210和底部基板100之间。锅仔片250为通过检测用户的按压与否而能够接收所期望的信息或者命令的机械方式或者电气方式的开关元件，由于具备这样的锅仔片250，用户可通过开关来方便地选择被指的菜单或者图标。The lower surface of the bracket 210 may be provided with a metal dome 250 . That is, the metal pin 250 may be located between the bracket 210 and the bottom substrate 100 . The dome 250 is a mechanical or electrical switch element that can receive desired information or commands by detecting whether the user presses or not. With such a dome 250, the user can easily select the desired information or command through the switch. menu or icon.
以上，介绍了根据本实用新型的一实施例的输入装置10的构成，但是本实用新型不限于这些实施例。例如，图6中示出了根据本实用新型的另一实施例的便携式电子设备用输入装置的剖面图(沿图2(b)的A-A’线的剖面图)，并且图7中示出了图6的指纹传感器的立体图。Above, the configuration of the input device 10 according to an embodiment of the present invention has been described, but the present invention is not limited to these embodiments. For example, Fig. 6 shows a sectional view of an input device for a portable electronic device according to another embodiment of the present utility model (a sectional view along the line AA' of Fig. 2(b) ), and Fig. 7 shows A perspective view of the fingerprint sensor of FIG. 6 is shown.
与所述实施例不同，根据本实施例的指纹传感器模块200中锅仔片250位于底部基板100的下侧。并且，指纹传感器220中，连接部221朝指纹传感器模块200的侧面侧突出。因此，由锅仔片250代替如上文所述的实施例的指纹传感器220的连接部221而连接于底部基板100的下表面，并且指纹传感器220的连接部221利用粘结剂结合于底部基板100的上表面，具体为结合于指纹传感器模块200和复合检测传感器300所处的区域之间的部分。Different from the above embodiments, the metal pin 250 is located on the lower side of the bottom substrate 100 in the fingerprint sensor module 200 according to the present embodiment. Furthermore, in the fingerprint sensor 220 , the connecting portion 221 protrudes toward the side surface of the fingerprint sensor module 200 . Therefore, the connecting portion 221 of the fingerprint sensor 220 of the embodiment described above is connected to the lower surface of the base substrate 100 by the pin 250 instead of the connecting portion 221 of the fingerprint sensor 220, and the connecting portion 221 of the fingerprint sensor 220 is bonded to the bottom substrate 100 with an adhesive. The upper surface of the fingerprint sensor module 200 is specifically the part between the areas where the fingerprint sensor module 200 and the composite detection sensor 300 are located.
然后，参考图8以及图9对复合检测传感器300进行具体的说明。Next, the composite detection sensor 300 will be specifically described with reference to FIGS. 8 and 9 .
图8为示出根据本实用新型的一实施例的便携式电子设备用输入装置中配备的复合检测传感器检测静电容量的变化的过程的模式图，图9为根据本实用新型的一实施例的便携式电子设备用输入装置中配备的复合检测传感器检测磁场变化的过程的模式图。Fig. 8 is a schematic diagram showing the process of detecting changes in electrostatic capacity by a composite detection sensor equipped in an input device for portable electronic equipment according to an embodiment of the present invention, and Fig. 9 is a portable electronic device according to an embodiment of the present invention A schematic diagram of the process of detecting a change in a magnetic field by a composite detection sensor equipped in an input device for an electronic device.
如上文所述，根据本实用新型的一实施例的复合检测传感器300可以通过静电容量的变化来检测用户的手指或者代替手指的导电性笔等导体的接近或者接触，并且还可以通过磁场来检测电磁笔的接近或者接触。即，复合检测传感器300可以实现静电容量方式的传感以及电磁感应方式的传感。所以用户在利用电磁笔使用显示屏部的触摸屏时，也可以利用电磁笔连续地对专门的功能键进行操作。As mentioned above, the composite detection sensor 300 according to an embodiment of the present utility model can detect the proximity or contact of a conductor such as a user's finger or a conductive pen instead of a finger through a change in electrostatic capacity, and can also detect through a magnetic field. The proximity or contact of the electromagnetic pen. That is, the composite detection sensor 300 can realize capacitance-based sensing and electromagnetic induction-based sensing. Therefore, when the user uses the touch screen of the display screen with the electromagnetic pen, he can also continuously operate the special function keys with the electromagnetic pen.
图8中示出了静电容量方式的传感过程。复合检测传感器300包括形成于基板上的发送电极310以及接收电极320。发送电极310从专门的电路部接收驱动信号并发送到外部，并且接收电极320接收经过导体(用户)传递的所述驱动信号。用户U与复合检测传感器300充分接近或者接触的情况下，从发送电极310朝接收电极320形成的电场E与用户没有接近或者接触的情况变得不一样，这会作为电容的变化而被识别。据此，可以检测用户U的触摸与否。Fig. 8 shows the sensing process of the capacitance method. The composite detection sensor 300 includes a transmitting electrode 310 and a receiving electrode 320 formed on a substrate. The transmitting electrode 310 receives a driving signal from a dedicated circuit part and transmits it to the outside, and the receiving electrode 320 receives the driving signal transmitted through a conductor (user). When the user U is sufficiently close to or in contact with the composite detection sensor 300 , the electric field E formed from the transmitting electrode 310 toward the receiving electrode 320 becomes different from that in the case where the user is not close or in contact, and this is recognized as a change in capacitance. According to this, it is possible to detect whether the user U touches or not.
图9中示出了利用电磁笔的电磁感应方式的传感过程。在这里，电磁笔为利用电磁波的笔，并且是EMR笔、磁笔等的总称。FIG. 9 shows the sensing process using the electromagnetic induction method of the electromagnetic pen. Here, the electromagnetic pen is a pen using electromagnetic waves, and is a general term for an EMR pen, a magnetic pen, and the like.
复合检测传感器300包括为了电磁的传感(Sensing)而形成于基板上的环形线圈330以及磁传感器340。如果环形线圈330中导通有电流，则会产生磁场M，并且该磁场M被电磁笔600吸收。The composite detection sensor 300 includes a loop coil 330 and a magnetic sensor 340 formed on a substrate for electromagnetic sensing. If a current is conducted in the loop coil 330 , a magnetic field M will be generated, and the magnetic field M will be absorbed by the electromagnetic pen 600 .
电磁笔600包括电容器610以及线圈620，并且把吸收的磁场M以预定的频率释放。通过电磁笔600释放的磁场M可以再次被复合检测传感器300的环形线圈330吸收，据此磁传感器340可以检测出电磁笔600是否充分地接近或接触。在设置多个环形线圈330的情况下，不仅可以传感到电磁笔600的接近/接触与否，还可以传感到电磁笔600与哪一部分接近/接触。The electromagnetic pen 600 includes a capacitor 610 and a coil 620, and releases the absorbed magnetic field M at a predetermined frequency. The magnetic field M released by the electromagnetic pen 600 can be absorbed by the loop coil 330 of the composite detection sensor 300 again, so that the magnetic sensor 340 can detect whether the electromagnetic pen 600 is sufficiently approached or touched. When a plurality of loop coils 330 are provided, not only the approach/contact of the electromagnetic pen 600 can be sensed, but also which part the electromagnetic pen 600 is approaching/contacting can be sensed.
在底部基板100上设置如上的指纹传感器模块200以及复合检测传感器300以后，可以进行在其上侧附着玻璃，或者贴装于电子设备等的工序。对此的说明超出本实用新型的范围，所以省略其说明。After disposing the fingerprint sensor module 200 and the composite detection sensor 300 as above on the base substrate 100 , a process of attaching glass to the upper side thereof or attaching it to an electronic device or the like can be performed. The description of this is beyond the scope of the present invention, so the description thereof is omitted.
如上文所述，根据本实用新型的一实施例，通过在同一个基板上布置指纹传感器模块以及复合检测传感器，可以提供具有指纹传感器和复合检测传感器的一体化的输入装置以及包含它的便携式电子设备。特别是，可以提供利用指纹传感器而具有安全功能的同时使用方便的home键。并且，通过使用静电容量方式和电磁笔方式的输入都可以实现的复合检测传感器，可以提供给以优秀用户体验的功能键。As mentioned above, according to an embodiment of the present invention, by arranging the fingerprint sensor module and the composite detection sensor on the same substrate, an integrated input device with a fingerprint sensor and a composite detection sensor and a portable electronic device containing it can be provided. equipment. In particular, it is possible to provide a home key that is convenient to use while having a security function using a fingerprint sensor. In addition, by using a composite detection sensor that can realize both capacitance and electromagnetic pen input, it is possible to provide function keys with excellent user experience.
上述的本实用新型的说明只是为了举例说明，并且可以知道，本实用新型的技术领域中具有一般知识的人可以在不改变本实用新型的技术思想或必要特征的情况下，可以改变成其他具体的形态。所以，应理解，上文中所述的实施例在所有方面都是为了举例说明的，不具有限制性作用。例如，说明中以单一型说明的各构成要素可以分散而实施，并且说明中分散的构成要素可以以结合的形态实施。The description of the above-mentioned utility model is only for illustration, and it can be known that those with general knowledge in the technical field of the utility model can change it into other specific ones without changing the technical idea or essential characteristics of the utility model. status. Therefore, it should be understood that the embodiments described above are illustrative in all respects and not restrictive. For example, each constituent element described as a single type in the description may be implemented in a dispersed form, and constituent elements dispersed in the description may be implemented in a combined form.
本实用新型的范围被权利要求书的范围界定，并且从权利要求书的意思以及范围及其均等概念导出的所有变更或变形的形态应属于本实用新型的范围内。The scope of the present invention is defined by the scope of the claims, and all changes or deformations derived from the meaning and scope of the claims and their equivalent concepts should fall within the scope of the present invention.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2013-0043027 | 2013-04-18 | ||
| KR1020130043027AKR101453028B1 (en) | 2013-04-18 | 2013-04-18 | Input device having fingerprint sensor, and portable electronic device having the same |
| PCT/KR2014/003335WO2014171751A1 (en) | 2013-04-18 | 2014-04-17 | Input apparatus having fingerprint sensor and portable electronic device comprising same |
| Publication Number | Publication Date |
|---|---|
| CN205375368Utrue CN205375368U (en) | 2016-07-06 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201490000818.7UExpired - LifetimeCN205375368U (en) | 2013-04-18 | 2014-04-17 | Input device with fingerprint sensor and portable electronic device incorporating same |
| Country | Link |
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| KR (1) | KR101453028B1 (en) |
| CN (1) | CN205375368U (en) |
| WO (1) | WO2014171751A1 (en) |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right | Effective date of registration:20171228 Address after:Gyeonggi Do city of South Korea Patentee after:CRUCIALTEC CO.,LTD. Address before:South Korea Seoul Seocho Patentee before:IP CITY Co.,Ltd. | |
| CX01 | Expiry of patent term | ||
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