CN108628396B - Mobile terminal with side fingerprint identification function - Google Patents
Mobile terminal with side fingerprint identification function Download PDFInfo
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- CN108628396B CN108628396B CN201710179012.9A CN201710179012A CN108628396B CN 108628396 B CN108628396 B CN 108628396B CN 201710179012 A CN201710179012 A CN 201710179012A CN 108628396 B CN108628396 B CN 108628396B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1684—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675
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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
- G06V40/13—Sensors therefor
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Abstract
The invention provides a mobile terminal for identifying a side fingerprint, which comprises: the mobile terminal comprises a mobile terminal body, a first terminal and a second terminal, wherein the mobile terminal body is provided with a first surface, a second surface corresponding to the first surface and a side surface connecting the first surface and the second surface; the sliding fingerprint sensor is arranged on the side surface of the mobile terminal body and is provided with a first detection direction perpendicular to the first surface of the mobile terminal body and a second detection direction parallel to the first surface of the mobile terminal body; and the fingerprint identification module is configured to perform fingerprint identification on the finger of the user sliding through the sliding fingerprint sensor. The mobile terminal for side fingerprint identification can realize user fingerprint identification and parameter adjustment of the mobile terminal, reduce the area of a fingerprint identification device and reduce the hardware cost and the manufacturing difficulty of fingerprint identification.
Description
Technical Field
The invention relates to the field of fingerprint detection, in particular to a mobile terminal with a side fingerprint identification function.
Background
With the wide application of mobile terminals in daily life, the functions of the existing mobile terminals are more and more powerful, and the diversified functions are convenient for users. However, the mobile terminal provides more convenience for the user and carries too much private information, and if the mobile terminal is lost or stolen, the information is easily leaked out due to no related protection, which brings inconvenience to the user. Therefore, it is necessary to make some security settings on the mobile terminal.
Conventional mobile terminals having a fingerprint recognition device have a fingerprint sensing area disposed on a front surface (the same surface as a screen) or a back surface. The traditional fingerprint identification device mainly comprises a fingerprint sensor and a fingerprint identification module which are integrated together, wherein the fingerprint identification module mainly comprises an analog-to-digital converter, a central processing unit and a serial peripheral interface. At present, a fingerprint identification device is an integrated circuit of a fingerprint sensor and a fingerprint identification module. However, the identification pressing area must be large enough to facilitate the use of the finger of a general person, and the area of the integrated circuit cannot be reduced, so that the manufacturing cost of the integrated circuit of the fingerprint identification device cannot be reduced all the time, and the cost of the mobile terminal is also increased.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a mobile terminal for side fingerprint identification, which overcomes the difficulties in the prior art, can realize user fingerprint identification and parameter adjustment of the mobile terminal, reduces the area of a fingerprint identification device, and reduces the hardware cost and the manufacturing difficulty of fingerprint identification.
According to an aspect of the present invention, there is provided a side fingerprint recognition mobile terminal, including:
the mobile terminal comprises a mobile terminal body, a first terminal and a second terminal, wherein the mobile terminal body is provided with a first surface, a second surface corresponding to the first surface and a side surface connecting the first surface and the second surface;
the sliding fingerprint sensor is arranged on the side surface of the mobile terminal body and is provided with a first detection direction perpendicular to the first surface of the mobile terminal body and a second detection direction parallel to the first surface of the mobile terminal body; and
and the fingerprint identification module is configured to perform fingerprint identification on the finger of the user sliding through the sliding fingerprint sensor.
Preferably, the swipe fingerprint sensor detects a fingerprint swiped in the first detection direction or a fingerprint swiped in the second detection direction.
Preferably, the swipe fingerprint sensor includes:
the capacitor layer is exposed out of the side surface of the mobile terminal body;
an oxide layer supporting the capacitor layer;
the capacitor electrode plate groups are arranged in the oxide layer and are respectively connected with each capacitor on the capacitor layer;
a substrate supporting the oxide layer; and
and the conversion circuit is arranged in the substrate, one end of the conversion circuit is coupled with the capacitor plate group to sense the capacitance variation of the capacitor, and the other end of the conversion circuit is coupled with the fingerprint identification module to convert the sensed capacitance variation into voltage variation and send the voltage variation to the fingerprint identification module.
Preferably, the fingerprint identification module is integrated on a main board in the mobile terminal, and the sliding fingerprint sensor is coupled to the fingerprint identification module through a wire.
Preferably, the fingerprint recognition module includes:
an analog-to-digital converter coupled to the conversion circuit;
a central processing unit coupled to the analog-to-digital converter; and
and the serial peripheral interface is coupled with the central processing unit.
Preferably, the sliding fingerprint sensor has a first end and a second end corresponding to the first end in the second detection direction, and the first end and the second end extend towards two ends of the side surface respectively.
Preferably, a first end of the swipe fingerprint sensor extends to a top end of the side face, and a second end of the swipe fingerprint sensor extends to a bottom end of the side face.
Preferably, the swipe fingerprint sensor is a strip sensor.
Preferably, two side surfaces of the mobile terminal body are respectively provided with a sliding fingerprint sensor.
Preferably, the swipe fingerprint sensor is configured as at least one section along the second detection direction, and each section is configured to correspond to one parameter of the mobile terminal;
the mobile terminal further includes:
the motion track processing module is configured to utilize each section of area of the sliding fingerprint sensor to judge whether the motion direction of the finger of the user moves towards the first end or the second end in the area; and
and the parameter adjusting module is configured to increase or decrease a parameter of the mobile terminal corresponding to the area according to the moving direction and the moving distance of the finger of the user.
Preferably, the parameter adjusting module increases or decreases the ratio of the total amount of the parameters corresponding to the mobile terminal according to the ratio of the moving distance of the user's finger in the second detection direction of each segment of the area of the swipe fingerprint sensor to the total length of the user's finger in the second detection direction of each segment of the area of the swipe fingerprint sensor.
Preferably, the parameter is one of a volume, a screen brightness, a mobile data switch, a flight mode switch, a flashlight mode switch, a bluetooth switch, a near field communication switch, a screen rotation switch, and a positioning switch of the mobile terminal.
Preferably, the mobile terminal is a mobile phone, a tablet computer or a notebook computer. In view of this, the mobile terminal for side fingerprint identification of the present invention can realize user fingerprint identification and parameter adjustment of the mobile terminal, reduce the area of the fingerprint identification device, and reduce the hardware cost and manufacturing difficulty of fingerprint identification.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a diagram of a mobile terminal with side fingerprint identification according to a first embodiment of the present invention;
fig. 2 is a block diagram of a module connection between a swipe fingerprint sensor and a fingerprint identification module in a first side fingerprint identification mobile terminal according to the present invention;
FIG. 3 is a schematic diagram of two detection directions of a mobile terminal according to a first side fingerprint identification method of the present invention;
FIG. 4 is a diagram illustrating a detection method of a mobile terminal with side fingerprint identification according to a first embodiment of the present invention;
FIG. 5 is a diagram of a second side-fingerprinting mobile terminal in accordance with the invention;
FIG. 6 is a diagram of a mobile terminal with third side fingerprinting of the present invention; and
fig. 7 is a diagram of a fourth side-fingerprinting mobile terminal according to the invention.
Reference numerals
1 Mobile terminal body
100 sliding fingerprint sensor
101 capacitor layer
102 oxide layer
103 substrate
104 capacitor plate group
105 switching line
110 fingerprint identification module
111A/D converter
112 central processing unit
113 serial peripheral interface
200 display screen
300 finger
300' finger after moving downwards
A first side
Side B
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their repetitive description will be omitted.
The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to provide a thorough understanding of embodiments of the invention. One skilled in the relevant art will recognize, however, that the invention may be practiced without one or more of the specific details, or with other methods, components, materials, and so forth. In some instances, well-known structures, materials, or operations are not shown or described in detail to avoid obscuring the invention. In the following description, a mobile phone is taken as an example to describe the mobile terminal for side fingerprint identification of the present invention, but the mobile terminal of the present invention is not limited to a mobile phone, and may be a tablet computer, a notebook computer, and the like.
First embodiment
As shown in fig. 1 to 3, a first embodiment of the present invention provides a mobile phone with side fingerprint identification, including: the mobile phone comprises a mobile phone body 1, a sliding fingerprint sensor 100 and a fingerprint identification module 110. The mobile phone body 1 has a first face a (a face on which the display 200 is mounted), a second face (i.e., a back face of the mobile phone, not shown) corresponding to the first face a, and a side face B connecting the first face a and the second face. The sliding fingerprint sensor 100 is disposed on the side surface B of the mobile phone body 1. Preferably, the swipe fingerprint sensor 100 is disposed on two longer sides that are generally held by a user, which is more convenient for the user to use. The swipe fingerprint sensor 100 has a first detection direction perpendicular to the first surface a of the mobile phone body 1 (i.e., a direction indicated by an arrow C, D, a direction perpendicular to the display 200), and a second detection direction parallel to the first surface a of the mobile phone body 1 (i.e., a direction indicated by an arrow E, F, a direction parallel to the display 200), and the swipe fingerprint sensor 100 detects a fingerprint that has swiped in the first detection direction or a fingerprint that has swiped in the second detection direction, but is not limited thereto. In some variations, the swipe fingerprint sensor 100 may also detect a fingerprint that slides in a third detection direction that is oblique to the first detection direction, for example, the angle between the third detection direction and the first detection direction is 45 °. The fingerprint recognition module 110 is configured to perform fingerprint recognition on a user's finger 300 that slides across the swipe fingerprint sensor 100.
The first end of the swipe fingerprint sensor 100 extends to the top of the side B, and the second end of the swipe fingerprint sensor 100 extends to the bottom of the side B. The length of the swipe fingerprint sensor 100 is substantially equal to the length of the side surface B where the swipe fingerprint sensor 100 is located, but not limited thereto. The swipe fingerprint sensor 100 in this embodiment may be a strip sensor, but is not limited thereto. The area of the sliding fingerprint sensor 100 of the present invention can be much smaller than that of the conventional push type fingerprint sensor. The swipe fingerprint sensor 100 includes a capacitive layer 101, an oxide layer 102, a substrate 103, a capacitive plate group 104, and a conversion line 105. The capacitor layer 101 is exposed to the side surface B of the mobile phone body 1. The oxide layer 102 supports the capacitor layer 101. The capacitor layer 101 may be a high dielectric capacitor layer, which may increase capacitance inductance in addition to protection. And a plurality of capacitor electrode groups 104 arranged in the oxide layer 102, wherein the capacitor electrode groups 104 are respectively connected with each capacitor on the capacitor layer 101. The density of the capacitor plate pack 104 needs to be greater than 500dpi in order to achieve sufficient resolution for fingerprint recognition. The substrate 103 supports the oxide layer 102. The conversion circuit 105 is disposed in the substrate 103, one end of the conversion circuit 105 is coupled to the capacitor plate group 104 to sense a capacitance variation of the capacitor, and the other end of the conversion circuit 105 is coupled to the fingerprint identification module 110 to convert the sensed capacitance variation into a voltage variation and transmit the voltage variation to the fingerprint identification module 110.
Unlike the prior art, the swipe fingerprint sensor 100 of the present invention is separated from the fingerprint identification module 110. The fingerprint identification module 110 is integrated on a main board in the mobile phone, and the sliding fingerprint sensor 100 is coupled to the fingerprint identification module 110 through a wire. The fingerprint identification module 110 includes an analog-to-digital converter 111, a central processor 112, and a serial peripheral interface 113. The analog-to-digital converter 111 is coupled to the conversion line 105. The cpu 112 is coupled to the adc 111. The serial peripheral interface 113 is coupled to the cpu 112. The fingerprint identification module 110 determines whether the voltage variation of the capacitor plate group 104 slides over a fingerprint ridge or a fingerprint valley of the capacitor layer 101, so as to obtain the fingerprint of the user, which can be implemented by using the existing fingerprint identification software technology, and related technologies are not described herein again.
The swipe fingerprint sensor 100 may be configured as a segment or several segments of an area along the second detection direction, each segment configured to correspond to one parameter of the mobile phone. The mobile phone also comprises: the motion trajectory processing module (not shown) is configured to determine whether the direction of the user's finger 300 moving within each area of the swipe fingerprint sensor 100 is toward the first end or the second end. The parameter adjustment module (not shown) is configured to increase or decrease a parameter of the mobile phone corresponding to the area according to the moving direction and the moving distance of the user's finger 300 along the second detection direction. The parameter adjustment module increases or decreases the ratio of the total amount of the corresponding parameters of the mobile phone according to the ratio of the moving distance of the user's finger 300 in the second detection direction of each segment of the area of the swipe fingerprint sensor 100 to the total length of the user's finger 300 in the second detection direction of each segment of the area of the swipe fingerprint sensor 100, but not limited thereto. The parameter is one of preset volume of the mobile phone, screen brightness, a mobile data switch, a flight mode switch, a flashlight mode switch, a Bluetooth switch, a near field communication switch, a screen rotation switch and a positioning switch.
As shown in fig. 4, when the user's finger slides on the surface of the swipe fingerprint sensor 100 along the first detection direction (i.e. the direction indicated by the arrow C, D), the swipe fingerprint sensor 100 can detect the user's finger fingerprint for operations such as unlocking the mobile phone; when the user's finger slides on the surface of the fingerprint sensor 100 along a second detection direction (i.e., the direction indicated by the arrow E, F, the direction parallel to the display 200) (e.g., the finger 300 slides down to the position of the finger 300 '), the fingerprint sensor 100 detects the user's finger sliding motion to adjust the volume of the mobile phone or adjust the brightness of the mobile phone.
Second embodiment
As shown in fig. 5, the swipe fingerprint sensor 100 of the present invention can also be a short strip sensor, and other technical features are the same as those of the first embodiment, and are not described herein again. The length of the swipe fingerprint sensor 100 is at least greater than 2cm so that there is sufficient length to detect a fingerprint, but may be much shorter than the length of the side B. The shorter sliding fingerprint sensor 100 can also realize the fingerprint identification of the user and the parameter adjustment of the mobile terminal, and has lower cost and easy manufacture.
Third embodiment
The third embodiment adds another sliding fingerprint sensor 100 to the first embodiment, so as to allow left-handed or right-handed users to use the third embodiment, and other technical features are the same as those of the first embodiment, and are not repeated herein. As shown in fig. 6, two side surfaces B of the mobile phone body 1 of the mobile phone with side fingerprint identification of the present invention are respectively provided with a sliding fingerprint sensor 100. Both of the swipe fingerprint sensors 100 can independently perform fingerprint recognition. Also, each swipe fingerprint sensor 100 can be configured to correspond to one parameter of the phone. As shown in fig. 6, the left-side swipe fingerprint sensor 100 is configured as a region G corresponding to the volume of the mobile phone, so that the user can slide a finger in the region G to adjust the volume of the mobile phone. The right sliding fingerprint sensor 100 is configured as an area H corresponding to the screen brightness of the mobile phone, so that the user can slide a finger in the area H to adjust the screen brightness of the mobile phone. Therefore, the present invention can replace more than one physical key such as a power key, a volume key, a brightness adjustment key, etc. with the sliding fingerprint sensor 100.
Fourth embodiment
The fourth embodiment divides the two swipe fingerprint sensor 100 into four areas on the basis of the third embodiment. Other technical features are the same as those of the third embodiment, and are not described again here. As shown in fig. 7, two side surfaces B of the mobile phone body 1 of the mobile phone with side fingerprint identification of the present invention are respectively provided with a sliding fingerprint sensor 100. Both of the swipe fingerprint sensors 100 can independently perform fingerprint recognition. Also, each of the swipe fingerprint sensors 100 may be configured to correspond to two parameters of the mobile phone, respectively. As shown in fig. 7, the upper portion of the left-side swipe fingerprint sensor 100 is configured as an area J corresponding to the volume of the mobile phone, so that the user can slide a finger in the area J to adjust the volume of the mobile phone. The lower portion of the left sliding fingerprint sensor 100 is configured as an area K corresponding to the screen brightness of the mobile phone, so that the user can slide a finger in the area K to adjust the screen brightness of the mobile phone. The upper portion of the right swipe fingerprint sensor 100 is configured as an area L corresponding to the flashlight mode switch of the mobile phone, so that the user can slide his finger in the area L to turn on or off the flashlight mode. The lower portion of the right-side swipe fingerprint sensor 100 is configured as an area M corresponding to a bluetooth switch of a mobile phone, so that a user can slide a finger in the area M to turn on or off the bluetooth switch. Therefore, the invention can realize the adjustment of various parameters of the mobile phone only by the sliding fingerprint sensor 100 without contacting any physical key. The technical solution of increasing or decreasing the divided area of the swipe fingerprint sensor 100 to realize other control functions based on the present invention also falls within the scope of the present invention.
In conclusion, the mobile terminal for side fingerprint identification can realize user fingerprint identification and parameter adjustment of the mobile terminal, reduce the area of a fingerprint identification device and reduce the hardware cost and the manufacturing difficulty of fingerprint identification.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention.
Claims (8)
1. A mobile terminal for side fingerprint identification, comprising:
the mobile terminal comprises a mobile terminal body, a first terminal and a second terminal, wherein the mobile terminal body is provided with a first surface, a second surface corresponding to the first surface and a side surface connecting the first surface and the second surface;
the sliding fingerprint sensor is arranged on the side surface of the mobile terminal body and is provided with a first detection direction perpendicular to the first surface of the mobile terminal body and a second detection direction parallel to the first surface of the mobile terminal body;
a fingerprint identification module configured to perform fingerprint identification on a user's finger sliding across the swipe fingerprint sensor;
the sliding fingerprint sensor detects the fingerprint of the user along a first detection direction to unlock the mobile phone;
the sliding fingerprint sensor is configured into a plurality of sections along a second detection direction, and each section is configured to correspondingly adjust one parameter of the mobile terminal;
the mobile terminal further includes:
the motion track processing module is configured to utilize each section of area of the sliding fingerprint sensor to judge whether the motion direction of the finger of the user moves towards the first end or the second end in the area; and
the parameter adjusting module is configured to increase or decrease a parameter of the mobile terminal corresponding to the area according to the movement direction and the movement distance of the finger of the user;
the parameter adjusting module increases or decreases the ratio of the total quantity of parameters corresponding to the mobile terminal according to the ratio of the movement distance of the user finger in the second detection direction of each section of area of the sliding fingerprint sensor to the total length of the user finger in the second detection direction of each section of area of the sliding fingerprint sensor;
the sliding fingerprint sensor is provided with a first end and a second end corresponding to the first end in a second detection direction and extends towards two ends of the side face respectively, the first end of the sliding fingerprint sensor extends to the top end of the side face, the second end of the sliding fingerprint sensor extends to the bottom end of the side face, and the sliding fingerprint sensor is a strip-shaped sensor.
2. The side fingerprinting mobile terminal of claim 1, wherein the swipe fingerprint sensor detects a fingerprint swiped in a first detection direction or a fingerprint swiped in a second detection direction.
3. The side fingerprinting mobile terminal of claim 1, wherein the swipe fingerprint sensor comprises:
the capacitor layer is exposed out of the side surface of the mobile terminal body;
an oxide layer supporting the capacitor layer;
the capacitor electrode plate groups are arranged in the oxide layer and are respectively connected with each capacitor on the capacitor layer;
a substrate supporting the oxide layer; and
and the conversion circuit is arranged in the substrate, one end of the conversion circuit is coupled with the capacitor plate group to sense the capacitance variation of the capacitor, and the other end of the conversion circuit is coupled with the fingerprint identification module to convert the sensed capacitance variation into voltage variation and send the voltage variation to the fingerprint identification module.
4. The side fingerprinting mobile terminal of claim 3, wherein the fingerprint identification module is integrated on a motherboard within the mobile terminal, the swipe fingerprint sensor being coupled to the fingerprint identification module by a wire.
5. The side-fingerprinting mobile terminal of claim 4, wherein the fingerprinting module includes:
an analog-to-digital converter coupled to the conversion circuit;
a central processing unit coupled to the analog-to-digital converter; and
and the serial peripheral interface is coupled with the central processing unit.
6. The mobile terminal for side fingerprint identification according to claim 1, wherein a sliding fingerprint sensor is respectively disposed on two sides of the mobile terminal body.
7. The side fingerprinting mobile terminal of claim 1, wherein the parameter is one of a volume, a screen brightness, a movement data switch, a flight mode switch, a flashlight mode switch, a bluetooth switch, a near field communication switch, a screen rotation switch, a positioning switch of the mobile terminal.
8. The side fingerprinting mobile terminal of claim 1, wherein the mobile terminal is a cell phone, a tablet computer, or a notebook computer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710179012.9A CN108628396B (en) | 2017-03-23 | 2017-03-23 | Mobile terminal with side fingerprint identification function |
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| CN201710179012.9A CN108628396B (en) | 2017-03-23 | 2017-03-23 | Mobile terminal with side fingerprint identification function |
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| CN108628396A CN108628396A (en) | 2018-10-09 |
| CN108628396B true CN108628396B (en) | 2020-10-27 |
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| WO2022141605A1 (en) * | 2020-12-31 | 2022-07-07 | 深圳市汇顶科技股份有限公司 | Optical fingerprint detection apparatus and electronic device |
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| CN105159585B (en) * | 2015-08-27 | 2018-05-29 | 广东欧珀移动通信有限公司 | A kind of function unlocking method and system based on fingerprint |
| CN105589643B (en) * | 2015-12-18 | 2019-02-12 | 努比亚技术有限公司 | Mobile terminal unlocking method and mobile terminal |
| CN106127010A (en) * | 2016-07-04 | 2016-11-16 | 珠海市魅族科技有限公司 | The security setting method of terminal applies and the device of security set |
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| CN204066117U (en) * | 2014-07-23 | 2014-12-31 | 敦泰科技有限公司 | A kind of device with fingerprint sensing function |
| CN104917894A (en) * | 2015-06-05 | 2015-09-16 | 上海华豚科技有限公司 | Mobile phone with POWER key fingerprint unlocking function |
| CN105302312A (en) * | 2015-11-18 | 2016-02-03 | 南昌欧菲生物识别技术有限公司 | Sound volume control device and mobile terminal |
| CN105975944A (en) * | 2016-04-12 | 2016-09-28 | 友达光电股份有限公司 | Fingerprint sensor |
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