WO2016173154A1 - 指纹识别器件、显示屏及显示装置 - Google Patents

指纹识别器件、显示屏及显示装置 Download PDF

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Publication number
WO2016173154A1
WO2016173154A1 PCT/CN2015/087514 CN2015087514W WO2016173154A1 WO 2016173154 A1 WO2016173154 A1 WO 2016173154A1 CN 2015087514 W CN2015087514 W CN 2015087514W WO 2016173154 A1 WO2016173154 A1 WO 2016173154A1
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Prior art keywords
electrode
display screen
touch
fingerprint
display
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PCT/CN2015/087514
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English (en)
French (fr)
Inventor
刘英明
董学
王海生
杨盛际
丁小梁
赵卫杰
刘红娟
邓立广
李昌峰
刘伟
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京东方科技集团股份有限公司
北京京东方光电科技有限公司
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Application filed by 京东方科技集团股份有限公司, 北京京东方光电科技有限公司 filed Critical 京东方科技集团股份有限公司
Priority to US15/034,618 priority Critical patent/US9959447B2/en
Publication of WO2016173154A1 publication Critical patent/WO2016173154A1/zh

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/12—Fingerprints or palmprints
    • G06V40/1365—Matching; Classification
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/12—Fingerprints or palmprints
    • G06V40/13—Sensors therefor
    • G06V40/1306—Sensors therefor non-optical, e.g. ultrasonic or capacitive sensing

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  • the invention belongs to the technical field of display, and in particular relates to a fingerprint identification device, a display screen and a display device.
  • Fingerprints are invariant features that are inherent in the human body, unique and distinguishable from others. It consists of a series of ridges and valleys on the surface of the fingertip skin. The details of the composition of these ridges and valleys usually include the ridges of the ridges, the ends of the ridges, the arches, the tent-shaped arches, the left-handedness, the right-handedness, the spiral or the double-rotation. These details determine the uniqueness of each person's fingerprint pattern. .
  • the fingerprint recognition technology developed by it is an early technology used as personal authentication. According to different methods of fingerprint acquisition and input, the widely used and well-known technologies include: optical imaging, thermal sensors, human infrared sensors, and the like.
  • Fingerprint recognition devices are also widely used in electronic products, such as fingerprint recognition technology in Apple mobile phones.
  • 1 and 2 illustrate a conventional fingerprint recognition device 1 including a silicon (Si) substrate 11, a plurality of detecting electrodes 111 formed on the silicon substrate 11, and electrically connected to the detecting electrodes 111 for detecting
  • the electrode 111 provides a flexible circuit board (FPC) 13 for driving signals, and sapphire 12 formed on the plurality of detecting electrodes 111.
  • the sapphire 12 has a suitable dielectric constant, so the sensitivity is large, and the detection can be protected.
  • Electrode 111 In the whole process, an opening is formed on the cover glass 3 on the light-emitting side of the display panel 2 to form the fingerprint recognition device 1 therein to expose the fingerprint recognition device 1. Further, in order to prevent the silicon base 11 from being damaged, a reinforcing layer 14 is further provided under the silicon base.
  • the inventors have found that at least the following problems exist in the prior art: in order to install the fingerprint recognition device 1, it is necessary to punch holes in the protective glass 3, resulting in a complicated process; the use of sapphire 12 as a touch receiving device is required, resulting in high cost, and detecting electrodes 111 is formed on the silicon substrate 11, and the cost of the silicon substrate 11 is also relatively high, resulting in a higher overall cost of the fingerprint recognition device.
  • an object of the present invention is to provide a fingerprint recognition device, a display screen and a display device which are simple in structure and low in cost.
  • the technical solution adopted to solve the technical problem to be solved by the present invention is a fingerprint recognition device, comprising: a protection substrate; a glass substrate located under the protection substrate; and a plurality of detection electrodes formed on the glass substrate And forming a capacitance between the plurality of detecting electrodes and the ridge or valley of the fingerprint when the touch occurs; and a control unit configured to identify the fingerprint based on the capacitance.
  • the fingerprint identification device further comprises: a matching unit, configured to match the fingerprint recognized by the control unit with the fingerprint data stored in the database.
  • the fingerprint identification device further includes a flexible circuit board electrically connected to the detecting electrode, configured to provide a driving signal for the plurality of detecting electrodes, and receive the plurality of detecting The sensing signal of the electrode is used to determine the occurrence of the touch.
  • the glass substrate has a thickness of 0.2 to 0.3 mm.
  • the protective substrate is a glass plate.
  • the technical solution adopted to solve the technical problem of the present invention is a display screen including a protection substrate and a display panel under the protection substrate, wherein the display screen further includes: a glass substrate located under the protection substrate a plurality of detecting electrodes formed on the glass substrate, the plurality of detecting electrodes forming a capacitance between the ridges or valleys of the fingerprint when the touch occurs; and a control unit configured to Fingerprints are identified.
  • the display screen includes a display area and a non-display area surrounding the display area, wherein the glass substrate and the control unit are disposed in the non-display area.
  • the display area of the display screen comprises a touch sensing electrode disposed in the same layer as the detecting electrode and having the same material, and a touch driving electrode disposed across the touch sensing electrode; or
  • the display area of the display screen includes a touch driving electrode disposed in the same layer as the detecting electrode and having the same material, and a touch sensing electrode disposed across the touch driving electrode pole.
  • the detecting electrode comprises a touch driving sub-electrode and a touch sensing sub-electrode disposed at a crossover; wherein the display area of the display screen is provided with a cross-setting touch driving electrode and a touch sensing electrode;
  • the touch driving sub-electrode is disposed in the same layer and the same material as the touch driving electrode; the touch sensing sub-electrode is disposed in the same layer and the same material as the touch sensing electrode.
  • the protective substrate is a glass plate.
  • the protective glass has a thickness of 0.2 to 0.3 mm.
  • the technical solution adopted to solve the technical problem of the present invention is a display device including the above display screen.
  • the fingerprint recognition device of the present invention includes a glass substrate, and each of the detection electrodes is formed on the glass substrate, the fingerprint provided by the present invention is compared to the existing fingerprint recognition device including the detection electrode formed on the silicon substrate.
  • the cost of the identification device is greatly reduced, and sapphire is not required in the fingerprint recognition device of the embodiment, which not only further reduces the cost of the fingerprint recognition device, but also reduces the preparation process and increases the productivity.
  • FIG. 1 is a schematic diagram of a conventional fingerprint recognition device
  • FIG. 2 is a schematic view of a conventional display device
  • FIG. 3 is a schematic diagram of a fingerprint recognition device according to Embodiment 1 of the present invention.
  • FIG. 4 is a schematic diagram of a display screen according to Embodiment 2 of the present invention.
  • Fig. 5 is a schematic view showing a display device of a third embodiment of the present invention.
  • reference numerals are: 1, fingerprint identification device; 2, display panel; 3, protective glass; 11, silicon based; 111, detecting electrode; 12, sapphire; 13, flexible circuit board; 14, reinforcing layer; Glass substrate; 21, array substrate; 22, color film substrate; 23, liquid crystal molecules; 24, lower polarizer; 25, upper polarizer.
  • FIG. 3 is a schematic diagram of the fingerprint recognition device 1 of this embodiment.
  • the fingerprint recognition device 1 includes a cover glass 3, a glass substrate 15, a plurality of detecting electrodes 111 formed on the glass substrate 15, and a controller (not shown).
  • a controller not shown.
  • a human finger touches the cover glass 3 a plurality of the detection electrodes 111 form a capacitance with a ridge or a valley of the fingerprint, and the control unit recognizes the fingerprint based on the capacitance.
  • the fingerprint recognition device 1 of the present embodiment includes the glass substrate 15 and the respective detection electrodes 111 are formed on the glass substrate 15, the fingerprint recognition device 1 including the detection electrode 111 formed on the silicon substrate is compared to the prior art. In other words, the cost of the fingerprint recognition device 1 of the present embodiment is greatly reduced. Further, in the fingerprint recognition device 1 of the present embodiment, sapphire is not required, but the cover glass 3 is used instead of the sapphire, so that the cost of the fingerprint recognition device 1 can be further reduced, and the manufacturing process can be reduced and the productivity can be improved.
  • the fingerprint recognition device 1 can be applied to an electronic device such as a mobile phone, a tablet computer, a display device or the like as a switch for activating the electronic device.
  • the fingerprint recognition device 1 is disposed on the front side of these electronic devices, that is, on the side facing the user.
  • the fingerprint identification device 1 of the embodiment further includes a matching unit (not shown); the matching unit is configured to match the fingerprint recognized by the control unit with the fingerprint data stored in the database.
  • a standard fingerprint data (that is, fingerprint data of a specific person) may be pre-stored in the database of the matching unit, and the fingerprint recognized by the control unit is matched with the standard fingerprint data, when the fingerprint and the standard are When the fingerprint data matches, the matching of the fingerprint is completed.
  • the fingerprint does not match the fingerprint data of the standard, it indicates that an accidental touch has occurred, and the user of the electronic device having the fingerprint identification device 1 may be pre- The person who stores the fingerprint data in the database is not the same person.
  • the fingerprint recognition device 1 further includes a flexible circuit board 13, the soft The circuit board 13 is electrically connected to the detecting electrode 111.
  • the flexible circuit board 13 is configured to provide a driving signal for the detecting electrode 111 and receive the sensing signal of the detecting electrode 111 to determine whether the fingerprint detecting device 1 generates a touch.
  • the thickness of the glass substrate 15 of the fingerprint recognition device 1 in the present embodiment is 0.2 to 0.3 mm to prevent the thickness of the display device to which the fingerprint recognition device 1 is applied from being excessively large.
  • the embodiment provides a display screen including a protection glass and a display panel under the protection substrate, and the display screen further includes the fingerprint identification device 1 described in Embodiment 1, wherein the fingerprint identification device 1 and the protection glass
  • the display panel is integrally formed, so the preparation process of the display screen of the embodiment is simple.
  • FIG. 4 shows a schematic diagram of a display screen in this embodiment.
  • the display screen in this embodiment includes a protective glass 3 and a display panel 2 located under the protective substrate.
  • the glass substrate 15 and the control unit (not shown) are disposed below the protective substrate 3 and above the display panel 2.
  • the plurality of detecting electrodes 111 are formed on the glass substrate 15 when finger touch occurs.
  • the detecting electrodes 111 form a capacitance between the ridges or valleys of the fingerprint, and the control unit identifies the fingerprint based on the capacitance.
  • the portion of the protective substrate 3 above the glass substrate 15, the glass substrate 15 and the detecting electrode 111 formed thereon, and the control unit not shown constitute the fingerprint recognition device as shown in Embodiment 1. 1.
  • the fingerprint recognition device 1 will be described below, and other components of the fingerprint recognition device 1 are not shown.
  • the display screen includes a display area and a non-display area surrounding the display area, and the fingerprint recognition device 1 is disposed in the non-display area.
  • the display area of the display screen includes a touch sensing electrode disposed in the same layer as the detecting electrode 111 and having the same material, and a touch driving electrode disposed across the touch sensing electrode;
  • the display area of the display screen includes a touch driving electrode disposed in the same layer as the detecting electrode 111 and having the same material, and a touch sensing electrode disposed across the touch driving electrode.
  • one of the touch electrode and the sensing electrode in the display area of the display screen is the detecting electrode 111
  • the materials are the same and are disposed in the same layer, that is, one of the touch electrode and the sensing electrode can be formed by the same patterning process as the detecting electrode 111, so the manufacturing process is simple, the cost can be reduced, and the productivity can be improved.
  • the touch electrodes and the sensing electrodes in the display screen in this embodiment are also feasible with the detecting electrodes 111, that is, the display screen is a self-capacitance type external touch display screen.
  • the detecting electrode 111 includes a touch driving sub-electrode and a touch sensing sub-electrode disposed at a crossover; and a cross-setting touch driving is disposed in a display area of the display screen.
  • the touch driving electrode and the touch sensing electrode of the display area in the embodiment can form a mutual capacitance
  • the touch driving sub-electrode and the touch sensing sub-electrode in the non-display area can also form a mutual capacitance; wherein
  • the touch driving sub-electrode is disposed in the same layer and the same material as the touch driving electrode. Therefore, the touch sensing sub-electrode can be formed in the same layer and the same material as the touch sensing electrode. Therefore, it is possible to form both by one patterning process, thereby reducing costs and increasing productivity.
  • the cover glass 3 of the present embodiment can be used to prevent the fingerprint recognition device 1 and the display panel 2 from being damaged.
  • FIG. 5 shows a schematic view of a display device according to this embodiment, which includes the above-described display screen and backlight assembly and the like (not shown).
  • the display screen in Embodiment 2 includes the fingerprint recognition device 1 in Embodiment 1, and the fingerprint recognition device 1 is disposed on the light-emitting surface side of the display panel 2;
  • the display panel 2 may include an array substrate 21 and a color filter substrate 22 opposed to each other, and liquid crystal molecules 23 formed between the array substrate 21 and the color filter substrate 22, on the light incident surface side of the array substrate 21 and the color filter substrate 22
  • the light-emitting surface side is respectively provided with a lower polarizer 24 and an upper polarizer 25, and the fingerprint recognition device 1 is disposed on the light-emitting surface side of the upper polarizer 25, and then directly covers the protective glass 3 above the fingerprint recognition device 1, without protection An opening is formed in the glass 3 to expose the fingerprint recognition device 1, so that the preparation process can be reduced and the productivity can be improved.
  • the display device can be any product or component having a display function, such as a mobile phone, a tablet computer, a television, a display, a notebook computer, a digital photo frame, a navigator, and the like.
  • the display device of the embodiment may further include other conventional structures such as a power supply unit, a display driving unit, and the like.
  • liquid crystal display device has been described as an example in this embodiment, the present invention is also applicable to other types of display devices such as an OLED display device.

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Abstract

一种指纹识别器件（1）、显示屏及显示装置，属于显示技术领域，其可解决现有的指纹识别器件成本较高的问题。该指纹识别器件（1）设置于显示面板（2）的出光面侧，所述指纹识别器件（1）包括：保护基板（3）；玻璃基底（15），其位于所述保护基板（3）的下方；多个侦测电极（111），其形成在玻璃基底（15）上，当发生触控时，所述多个侦测电极（111）与指纹的脊或谷之间形成电容；以及控制单元，用于基于所述电容对该指纹进行识别。该指纹识别器件（1）结构简单，成本较低。

Description

指纹识别器件、显示屏及显示装置 技术领域
本发明属于显示技术领域，具体涉及指纹识别器件、显示屏及显示装置。
背景技术
指纹是人体与生俱来、独一无二并可与他人相区别的不变特征。它是由指端皮肤表面上的一系列脊和谷组成的。这些脊和谷的组成细节通常包括脊的分叉、脊的末端、拱形、帐篷式的拱形、左旋、右旋、螺旋或双旋等细节，这些细节决定了每个人指纹图案的唯一性。由之发展起来的指纹识别技术是较早被作为个人身份验证的技术，根据指纹采集、输入的方式不同，目前广泛应用并被熟知的技术包括：光学成像、热敏传感器、人体红外传感器等。
将指纹识别器件也被广泛的应用于电子产品中，例如苹果手机中的指纹识别的技术。图1和2示出了一种现有指纹识别器件1，其包括硅(Si)基11、形成在硅基11上的多个侦测电极111、与侦测电极111电连接以对侦测电极111提供驱动信号的柔性线路板(FPC)13、以及形成在多个侦测电极111上的蓝宝石12，其中，蓝宝石12具有适当的介电常数，因此灵敏度较大，同时还可以保护侦测电极111。在整机过程中需要在位于显示面板2出光面侧的保护玻璃3上形成开口，以将指纹识别器件1形成在其中，以使指纹识别器件1露出。此外，为了防止硅基11破损，在硅基下方还设置有增强层14。
发明人发现现有技术中至少存在如下问题：为了安装指纹识别器件1，需要在保护玻璃3上打孔，导致工艺复杂；需要使用蓝宝石12作为触摸接收器件，导致成本较高，而且侦测电极111是形成在硅基11上的，硅基11的成本也比较高，从而导致指纹识别器件的总体成本较高。
发明内容
针对现有的指纹识别器件存在的上述的问题，本发明的目的在于提供一种结构简单、成本较低的指纹识别器件、显示屏及显示装置。
解决本发明要解决的技术问题所采用的技术方案是一种指纹识别器件，其包括：保护基板；玻璃基底，其位于所述保护基板的下方；多个侦测电极，其形成在玻璃基底上，当发生触控时，所述多个侦测电极与指纹的脊或谷之间形成电容；以及控制单元，用于基于所述电容对该指纹进行识别。
优选的是，所述指纹识别器件还包括：匹配单元，用于对所述控制单元识别的指纹与数据库中所存储的指纹数据进行匹配。
优选的是，所述指纹识别器件还包括柔性线路板，所述柔性线路板与所述侦测电极电性连接，用于为所述多个侦测电极提供驱动信号以及接收所述多个侦测电极的感应信号，以确定触控的发生。
优选的是，所述玻璃基底的厚度为0.2～0.3mm。
优选的是，所述保护基板为玻璃板。
解决本发明技术问题所采用的技术方案是一种显示屏，其包括保护基板和位于所述保护基板下方的显示面板，其中，该显示屏还包括：玻璃基底，其位于所述保护基板的下方；多个侦测电极，其形成在玻璃基底上，当发生触控时，所述多个侦测电极与指纹的脊或谷之间形成电容；以及控制单元，用于基于所述电容对该指纹进行识别。
优选的是，所述显示屏包括显示区和将显示区包围的非显示区，其中，所述玻璃基底和所述控制单元设于非显示区。
进一步优选的是，所述显示屏的显示区包括与所述侦测电极同层设置且材料相同的触控感应电极，以及与触控感应电极交叉设置的触控驱动电极；或，
所述显示屏的显示区包括与所述侦测电极同层设置且材料相同的触控驱动电极，以及与触控驱动电极交叉设置的触控感应电 极。
进一步优选的是，所述侦测电极包括交叉设置的触控驱动子电极和触控感应子电极；在所述显示屏的显示区设置有交叉设置的触控驱动电极和触控感应电极；其中，所述触控驱动子电极与所述触控驱动电极同层设置且材料相同；所述触控感应子电极与所述触控感应电极同层设置且材料相同。
优选的是，所述保护基板是玻璃板。
进一步优选的是，所述保护玻璃的厚度为0.2～0.3mm。
解决本发明技术问题所采用的技术方案是一种显示装置，其包括上述的显示屏。
本发明具有如下有益效果：
由于本发明的指纹识别器件包括玻璃基底，且各个侦测电极形成在玻璃基底上，相比于现有的包括形成在硅基上的侦测电极的指纹识别器件而言，本发明提供的指纹识别器件的成本大大降低，而且在本实施例的指纹识别器件中也无需蓝宝石，不仅可以进一步降低指纹识别器件的成本，同时还可以减少制备工序，提高产能。
附图说明
图1为现有的指纹识别器件的示意图；
图2为现有的显示装置的示意图；
图3为本发明的实施例1的指纹识别器件的示意图；
图4为本发明的实施例2的显示屏的示意图；以及
图5为本发明的实施例3的显示装置的示意图。
其中附图标记为：1、指纹识别器件；2、显示面板；3、保护玻璃；11、硅基；111、侦测电极；12、蓝宝石；13、柔性线路板；14、增强层；15、玻璃基底；21、阵列基板；22、彩膜基板；23、液晶分子；24、下偏光片；25、上偏光片。
具体实施方式
为使本领域技术人员更好地理解本发明的技术方案，下面结合附图和具体实施方式对本发明作进一步详细描述。
实施例1：
图3为该实施例的指纹识别器件1的示意图。如图3所示，指纹识别器件1包括：保护玻璃3、玻璃基底15、形成在玻璃基底15上的多个侦测电极111、和控制器(未示出)。当人的手指触摸到保护玻璃3上时，多个所述侦测电极111与指纹的脊或谷之间形成电容，控制单元基于所述电容对该指纹进行识别。
由于本实施例的指纹识别器件1包括玻璃基底15、且各个侦测电极111形成在玻璃基底15上，因此相比于现有的包括形成在硅基上的侦测电极111的指纹识别器件1而言，本实施例的指纹识别器件1的成本大大降低。此外，在本实施例的指纹识别器件1中也无需蓝宝石，而是使用保护玻璃3代替了蓝宝石，从而不仅可以进一步降低指纹识别器件1的成本，同时还可以减少制备工序，提高产能。
优选的，该指纹识别器件1可以应用于电子设备中，比如手机、平板电脑、显示装置等上，作为启动这些电子设备的开关。该指纹识别器件1设置在这些电子设备的正面侧，即朝向用户的一侧。优选地，本实施例的指纹识别器件1还包括匹配单元(图中未示)；所述匹配单元用于对所述控制单元识别的指纹与数据库中所存储的指纹数据进行匹配。
具体的，可以在匹配单元的数据库中预先存储有一标准指纹数据(也就是一个特定人的指纹数据)，此时将控制单元所识别的指纹与该标准的指纹数据进行匹配，当指纹与该标准的指纹数据相匹配时，则完成对指纹的匹配，当指纹与该标准的指纹数据不匹配时，则说明发生了误触摸，也可能是具有该指纹识别器件1的电子设备的使用者与预先存储在数据库中指纹数据的人不是同一个人。
优选的，所述指纹识别器件1还包括柔性线路板13，所述柔 性线路板13与所述侦测电极111电性连接。该柔性线路板13用于为侦测电极111提供驱动信号，以及接收侦测电极111的感应信号，以确定该指纹识别器件1是否发生触控。
优选的，本实施例中指纹识别器件1玻璃基底15的厚度为0.2～0.3mm，以防止应用该指纹识别器件1的显示装置厚度过大。
实施例2：
本实施例提供一种显示屏，其包括保护玻璃和位于所述保护基板下方的显示面板，并且该显示屏还包括实施例1中所述的指纹识别器件1，其中指纹识别器件1与保护玻璃和显示面板一体形成，因此本实施例的显示屏的制备工艺简单。
具体地，图4示出了该实施例中的显示屏的示意图，如图4所示，该实施例中的显示屏包括保护玻璃3和位于所述保护基板下方的显示面板2，该显示屏还包括玻璃基底15和控制单元(未示出)，玻璃基底15位于保护基板3的下方且位于显示面板2的上方，玻璃基底15上形成有多个侦测电极111，当发生手指触控时，这些侦测电极111与指纹的脊或谷之间形成电容，并且控制单元基于所述电容对该指纹进行识别。在该实施例中，保护基板3位于玻璃基底15上方的部分、玻璃基底15及形成于其上的侦测电极111、以及未示出的控制单元构成如实施例1中所示的指纹识别器件1，为了描述的方便，下文中仍以指纹识别器件1进行说明，并且没有示出指纹识别器件1的其他部件。
更具体的，所述显示屏包括显示区和将显示区包围的非显示区，所述指纹识别器件1设于非显示区。
作为本实施的一种优选实施方式，在显示屏的显示区包括与所述侦测电极111同层设置且材料相同的触控感应电极，以及与触控感应电极交叉设置的触控驱动电极；或，所述显示屏的显示区包括与所述侦测电极111同层设置且材料相同的触控驱动电极，以及与触控驱动电极交叉设置的触控感应电极。简言之，在显示屏的显示区中的触控电极和感应电极中的一者是与侦测电极111 材料相同且同层设置，也就是说触控电极和感应电极中的一者可以与侦测电极111采用同一次构图工艺形成，因此制造工艺简单，可以降低成本，提高产能。
当然，在本实施例中的显示屏中的触控电极和感应电极均与侦测电极111也是可行的，也就是说该显示屏为自电容型的外挂式触控显示屏。
作为本实施例的另一种优选实施方式，所述侦测电极111包括交叉设置的触控驱动子电极和触控感应子电极；在所述显示屏的显示区设置有交叉设置的触控驱动电极和触控感应电极；其中，所述触控驱动子电极与所述触控驱动电极同层设置且材料相同；所述触控感应子电极与所述触控感应电极同层设置且材料相同。
也就是说本实施例中的显示区的触控驱动电极和触控感应电极可以形成互电容，非显示区的触控驱动子电极和触控感应子电极也可以形成互电容；其中，所述触控驱动子电极与所述触控驱动电极同层设置且材料相同，因此可以采用一次构图工艺形成这两者；所述触控感应子电极与所述触控感应电极同层设置且材料相同，因此可以采用一次构图工艺形成这两者，从而可以降低成本，提高产能。
优选的，本实施例的的保护玻璃3可用于防止指纹识别器件1和显示面板2破损。
其中，上述保护玻璃3的厚度为0.2～0.3mm。将保护玻璃3的厚度选取为0.2～0.3mm，不仅能够保证保护玻璃3的强度，同时还能够保证指纹识别器件1的灵敏度。
实施例3：
本实施例提供一种显示装置。图5示出了根据该实施例的显示装置的示意图，该显示装置包括上述的显示屏和背光组件等(未示出)。
如图5所示，实施例2中的显示屏包括实施例1中指纹识别器件1，该指纹识别器件1设于显示面板2的出光面侧；其中，显 示面板2可以包括相互对盒的阵列基板21和彩膜基板22，以及形成在阵列基板21和彩膜基板22之间的液晶分子23，在阵列基板21的入光面侧和彩膜基板22的出光面侧分别设置有下偏光片24和上偏光片25，而指纹识别器件1则设置在上偏光片25的出光面侧，之后直接在指纹识别器件1上方覆盖保护玻璃3，无需在保护玻璃3上形成开口，使指纹识别器件1暴露，因此可以减少制备工序，提高产能。
该显示装置可以为：手机、平板电脑、电视机、显示器、笔记本电脑、数码相框、导航仪等任何具有显示功能的产品或部件。
当然，本实施例的显示装置中还可以包括其他常规结构，如电源单元、显示驱动单元等。
虽然该实施例中虽然以液晶显示装置为例进行了说明，但是本发明还而可以应用于例如OLED显示装置等的其他类型的显示装置。
可以理解的是，以上实施方式仅仅是为了说明本发明的原理而采用的示例性实施方式，然而本发明并不局限于此。对于本领域内的普通技术人员而言，在不脱离本发明的精神和实质的情况下，可以做出各种变型和改进，这些变型和改进也视为本发明的保护范围。

Claims (13)

  1. 一种指纹识别器件，包括：
    保护基板；
    玻璃基底，其位于所述保护基板的下方；
    多个侦测电极，其形成在玻璃基底上，当发生触控时，所述多个侦测电极与指纹的脊或谷之间形成电容；以及
    控制单元，用于基于所述电容对该指纹进行识别。
  2. 根据权利要求1所述的指纹识别器件，其特征在于，所述指纹识别器件还包括：匹配单元，用于对所述控制单元识别的指纹与数据库中所存储的指纹数据进行匹配。
  3. 根据权利要求1所述的指纹识别器件，其特征在于，所述指纹识别器件还包括柔性线路板，所述柔性线路板与所述侦测电极电性连接，用于为所述多个侦测电极提供驱动信号以及接收所述多个侦测电极的感应信号，以确定触控的发生。
  4. 根据权利要求1-3中任一项所述的指纹识别器件，其特征在于，所述玻璃基底的厚度为0.2～0.3mm。
  5. 根据权利要求1所述的指纹识别器件，其特征在于，所述保护基板为玻璃板。
  6. 一种显示屏，包括保护基板和位于所述保护基板下方的显示面板，其特征在于，还包括：
    玻璃基底，其位于所述保护基板的下方；
    多个侦测电极，其形成在玻璃基底上，当发生触控时，所述多个侦测电极与指纹的脊或谷之间形成电容；以及
    控制单元，用于基于所述电容对该指纹进行识别。
  7. 根据权利要求6所述的显示屏，其特征在于，所述显示屏包括显示区和将显示区包围的非显示区，其中，所述玻璃基底和所述控制单元设于非显示区。
  8. 根据权利要求7所述的显示屏，其特征在于，所述显示屏的显示区包括与所述侦测电极同层设置且材料相同的触控感应电极，以及与触控感应电极交叉设置的触控驱动电极。
  9. 根据权利要求7所述的显示屏，其特征在于，所述显示屏的显示区包括与所述侦测电极同层设置且材料相同的触控驱动电极，以及与触控驱动电极交叉设置的触控感应电极。
  10. 根据权利要求7所述的显示屏，其特征在于，所述侦测电极包括交叉设置的触控驱动子电极和触控感应子电极；在所述显示屏的显示区设置有交叉设置的触控驱动电极和触控感应电极；其中，所述触控驱动子电极与所述触控驱动电极同层设置且材料相同；所述触控感应子电极与所述触控感应电极同层设置且材料相同。
  11. 根据权利要求6所述的显示屏，其特征在于，所述保护基板是玻璃板。
  12. 根据权利要求11所述的显示屏，其特征在于，所述保护玻璃的厚度为0.2～0.3mm。
  13. 一种显示装置，其特征在于，所述显示装置包括权利要求6-12中任一项所述的显示屏。
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