CN105740852B - Fingerprint identification module and electronic device - Google Patents
Fingerprint identification module and electronic device Download PDFInfo
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- CN105740852B CN105740852B CN201610182144.2A CN201610182144A CN105740852B CN 105740852 B CN105740852 B CN 105740852B CN 201610182144 A CN201610182144 A CN 201610182144A CN 105740852 B CN105740852 B CN 105740852B
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- ZNOKGRXACCSDPY-UHFFFAOYSA-N tungsten trioxide Chemical compound O=[W](=O)=O ZNOKGRXACCSDPY-UHFFFAOYSA-N 0.000 claims description 12
- 239000011521 glass Substances 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 claims description 6
- 229920000123 polythiophene Polymers 0.000 claims description 6
- FHCPAXDKURNIOZ-UHFFFAOYSA-N tetrathiafulvalene Chemical compound S1C=CSC1=C1SC=CS1 FHCPAXDKURNIOZ-UHFFFAOYSA-N 0.000 claims description 6
- 229910000480 nickel oxide Inorganic materials 0.000 claims description 3
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims 4
- 230000002441 reversible effect Effects 0.000 description 5
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- 238000002845 discoloration Methods 0.000 description 3
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Images
Classifications
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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
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/15—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect
- G02F1/1503—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect caused by oxidation-reduction reactions in organic liquid solutions, e.g. viologen solutions
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/15—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect
- G02F1/1514—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect characterised by the electrochromic material, e.g. by the electrodeposited material
- G02F1/1523—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect characterised by the electrochromic material, e.g. by the electrodeposited material comprising inorganic material
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2203/00—Aspects of automatic or semi-automatic exchanges
- H04M2203/60—Aspects of automatic or semi-automatic exchanges related to security aspects in telephonic communication systems
- H04M2203/6054—Biometric subscriber identification
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Chemical & Material Sciences (AREA)
- Optics & Photonics (AREA)
- Multimedia (AREA)
- Inorganic Chemistry (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Computer Hardware Design (AREA)
- Software Systems (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
Abstract
The invention discloses a fingerprint identification module, which comprises a circuit board, a fingerprint identification chip and an electrochromic cover plate, wherein the fingerprint identification chip is arranged on the circuit board, the fingerprint identification chip is electrically connected with the circuit board, the electrochromic cover plate is arranged on the fingerprint identification chip, the electrochromic cover plate is electrically connected with the circuit board, and the electrochromic cover plate can change color under the driving of the circuit board. According to the fingerprint identification module, the electrochromic cover plate is arranged on the fingerprint identification chip, and the electrochromic cover plate is electrically connected with the circuit board, so that the appearance color of the fingerprint identification module can be changed under the driving of the circuit board, and the user experience is improved. The invention also discloses an electronic device which comprises the fingerprint identification module.
Description
Technical Field
The invention relates to the technical field of electronic information, in particular to a fingerprint identification module and an electronic device.
Background
Currently, fingerprint recognition technology is widely used, and for example, mobile terminals equipped with fingerprint recognition technology have been widely introduced. The mobile terminal with the fingerprint identification technology plays a great role in protecting personal privacy.
However, the appearance color of the existing fingerprint identification module is single, the requirement of the user on color change cannot be met, and the user experience degree is low.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, the technical problems in the related art. Therefore, the invention provides a fingerprint identification module and an electronic device.
The fingerprint identification module of the embodiment of the invention comprises:
a circuit board;
the fingerprint identification chip is arranged on the circuit board and is electrically connected with the circuit board; and
locate the electrochromic apron on the fingerprint identification chip, electrochromic apron with the circuit board electricity is connected, electrochromic apron can take place the colour change under the drive of circuit board.
According to the fingerprint identification module, the electrochromic cover plate is arranged on the fingerprint identification chip, and the electrochromic cover plate is electrically connected with the circuit board, so that the appearance color of the fingerprint identification module can be changed under the driving of the circuit board, and the user experience is improved.
In certain embodiments, the electrochromic cover sheet is electrochromic glass.
In some embodiments, the circuit board is a flexible circuit board for sensing an external electromagnetic wave signal, and the flexible circuit board drives the electrochromic cover plate to change color when sensing the external electromagnetic wave signal.
In certain embodiments, the color change material of the electrochromic glass is an inorganic electrochromic material comprising tungsten trioxide or nickel oxide or an organic electrochromic material comprising polythiophene, viologen, tetrathiafulvalene, a metal phthalocyanine, a derivative of polythiophene, a derivative of viologen, a derivative of tetrathiafulvalene, or a derivative of a metal phthalocyanine.
The electronic device of the embodiment of the invention comprises the fingerprint identification module.
The electronic device of the embodiment of the invention comprises the fingerprint identification module, thereby increasing the experience degree of users.
In some embodiments, the electronic device is provided with an opening, the fingerprint identification module is accommodated in the electronic device, and the opening exposes the electrochromic cover plate.
In some embodiments, the circuit board is configured to sense an electromagnetic wave signal of the electronic device, and drive the electrochromic cover to change color when the electromagnetic wave signal of the electronic device is sensed.
In some embodiments, the circuit board is configured to obtain a power-on signal of the electronic device, and drive the electrochromic cover plate to change color when the power-on signal is obtained.
In some embodiments, the circuit board is configured to obtain a standby signal of the electronic device, and stop driving the electrochromic cover when the standby signal is obtained.
In some embodiments, the circuit board is configured to obtain a prompt signal of the electronic device, and drive the electrochromic cover plate to change color when the prompt signal is obtained.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic plan view of a fingerprint identification module according to an embodiment of the present invention.
Fig. 2 is a schematic plan view of an electronic device according to an embodiment of the present invention.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings. The same or similar reference numbers in the drawings identify the same or similar elements or elements having the same or similar functionality throughout.
In addition, the embodiments of the present invention described below with reference to the accompanying drawings are exemplary only for the purpose of explaining the embodiments of the present invention, and are not to be construed as limiting the present invention.
Referring to fig. 1, a fingerprint identification module 100 according to an embodiment of the present invention includes a circuit board 10, a fingerprint identification chip 20, and an electrochromic cover 30. The fingerprint identification chip 20 is disposed on the circuit board 10. The fingerprint recognition chip 20 is electrically connected to the circuit board 10. The electrochromic cover plate 30 is disposed on the fingerprint recognition chip 20. The electrochromic cover 30 is electrically connected to the circuit board 10. The electrochromic cover 30 can be color-changed by the driving of the circuit board 10.
According to the fingerprint identification module 100 provided by the embodiment of the invention, the electrochromic cover plate 30 is arranged on the fingerprint identification chip 20, and the electrochromic cover plate 30 is electrically connected with the circuit board 10, so that the change of the appearance color of the fingerprint identification module 100 can be realized under the driving of the circuit board 10, and the user experience is further improved.
Generally, the phenomenon of discoloration refers to a change in the response of a substance to light under the influence of the external environment, and is commonly found in nature. Electrochromism belongs to one of the color change phenomena, and has wide application. Electrochromism refers to a phenomenon in which optical properties (reflectivity, transmittance, absorption, and the like) of a material undergo a stable and reversible color change under the action of an applied electric field, and is visually represented as a reversible change in color and transparency. Materials with electrochromic properties are referred to as electrochromic materials. The electrochromic material can generate reversible color change under the action of an external lower driving voltage or current, and the valence state or the components of the material can be reversibly changed, so that the optical performance of the material is changed or kept to be changed.
In this embodiment, the electrochromic cover 30 is electrochromic glass.
In this way, under the driving of the circuit board 10, the color or light transmittance of the electrochromic glass itself is reversibly changed due to the change of the applied voltage or current, so that the electrochromic glass can be more obviously displayed as the change of the color and the transparency in appearance.
In this embodiment, the circuit board 10 is a flexible circuit board, and is configured to sense an external electromagnetic wave signal and drive the electrochromic cover 30 to change color when the external electromagnetic wave signal is sensed.
Specifically, in one example, the circuit board 10 senses an electromagnetic wave signal from the outside and can form an electrical connection loop, thereby generating an induced current or an induced voltage. The circuit board 10 drives the electrochromic cover 30 to change color by using the induced current or the induced voltage.
In the present embodiment, the electromagnetic wave signal induced by the circuit board 10 is a real-time electromagnetic wave signal. The circuit board 10 has a corresponding electromagnetic wave sensing circuit (not shown), and the electromagnetic wave sensing circuit performs a corresponding response process according to whether the sensed real-time electromagnetic wave signal strength reaches a preset threshold value. When the real-time electromagnetic wave signal intensity sensed by the circuit board 10 reaches the preset threshold, the circuit board 10 forms an electrical connection loop and generates an induced current or an induced voltage, so that the electrochromic cover plate 30 can be driven to change color.
In this embodiment, the color-changing material of the electrochromic glass is tungsten trioxide. The tungsten trioxide is a cathode inorganic electrochromic material and has the advantages of high coloring efficiency, good reversibility, short response time, long service life, low cost, wide optical variation range during coloring and fading and the like.
Specifically, the discoloration principle of the tungsten trioxide electrochromic material is as follows:
wherein M is+Can be H+、Li+、Na+，0＜x≤1，e-Is an electron. WO transparent when electrons and ions are injected3In the material, the electrochromic glass is blue, and when ions and electrons are extracted, the electrochromic glass is changed back to the original transparent state. In this process, W is partially +6 valent6+Is reduced to +5 valent W5+To produce tungsten bronze (MxWO)3) Resulting in discoloration of the electrochromic glazing.
It is understood that in other embodiments, the color-changing material of the electrochromic glass may be other inorganic electrochromic materials, such as suitable inorganic electrochromic materials like nickel oxide, and may also be organic electrochromic materials, such as polythiophene, viologen, tetrathiafulvalene, metal phthalocyanine, derivatives of polythiophene, derivatives of viologen, derivatives of tetrathiafulvalene, or derivatives of metal phthalocyanine.
In the present embodiment, the fingerprint recognition chip 20 is a capacitive fingerprint recognition chip. The capacitive fingerprint identification chip is low in cost and easy to detect fingerprints.
Referring to fig. 2, an electronic device 200 according to an embodiment of the invention includes a fingerprint identification module 100.
The electronic device 100 of the embodiment of the invention comprises the fingerprint identification module 100, so that the experience degree of a user is improved.
In the present embodiment, the electronic device 200 has an opening 210. The fingerprint identification module 100 is accommodated in the electronic device 200. The opening 210 exposes the electrochromic cover 30.
In this way, the electronic device 200 can realize different prompting functions through the color change of the electrochromic cover 30. For example, the user may be prompted by the color change of the electrochromic cover 30 that the electronic device 200 is in a certain operating state, for example, the electronic device 200 is in an on/off state, or the visual experience of the user using the electronic device 200 is enhanced by the color change of the electrochromic cover 30.
In one example, the circuit board 10 is used for sensing an electromagnetic wave signal of the electronic device 200 and driving the electrochromic cover 30 to change color when the electromagnetic wave signal of the electronic device 200 is sensed.
Specifically, in the present example, the circuit board 10 induces an electromagnetic wave signal of the electronic device 200 and forms an electrical connection loop, thereby generating an induced current or an induced voltage. The circuit board 10 drives the electrochromic cover 30 to change color by using the induced current or the induced voltage.
In this embodiment, the electronic device 200 is a mobile phone. The electromagnetic wave signal induced by the circuit board 10 is a real-time electromagnetic wave signal of the mobile phone. The circuit board 10 has a corresponding electromagnetic wave sensing circuit, and the electromagnetic wave sensing circuit performs corresponding response processing according to whether the sensed real-time electromagnetic wave signal strength reaches a preset threshold value. When the real-time electromagnetic wave signal intensity sensed by the circuit board 10 reaches the preset threshold, the circuit board 10 forms an electrical connection loop and generates an induced current or an induced voltage, so that the electrochromic cover plate 30 can be driven to change color.
Specifically, in an example, the preset threshold may be an electromagnetic wave signal strength when the mobile phone is in an incoming call. When the mobile phone is in a standby state, the intensity of the real-time electromagnetic wave signal sensed by the circuit board 10 is lower than a preset threshold value, and at this time, the circuit board 10 does not drive the electrochromic cover plate 30 to change color; when the mobile phone is in an incoming call state, the intensity of the real-time electromagnetic wave signal sensed by the circuit board 10 reaches a preset threshold, and at this time, the circuit board 10 forms an electrical connection loop, so that the induced current or induced voltage can be generated, and the electrochromic cover plate 30 can obtain electrons and generate reversible color change, such as changing into blue (containing tungsten trioxide electrochromic material).
In another example, the circuit board 10 is used to obtain a power-on signal of the electronic device 200, and when the power-on signal is obtained, the electrochromic cover 30 is driven to change color.
Specifically, in the present example, the circuit board 10 may include a controller (not shown). The controller is connected to a power button (not shown) that controls the switching of the electronic device 200. When the power key is triggered to start the electronic device 200, the controller obtains a start signal of the power key and controls the circuit board 10 to form an electrical connection loop, so that the circuit board 10 generates current, and the electrochromic cover 30 can obtain electrons and generate corresponding reversible color change. It is understood that the controller of the circuit board 10 can be connected with the relevant controller of the electronic device 200 and can acquire the current on/off state of the electronic device 200.
In the present embodiment, the circuit board 10 is used to obtain a standby signal of the electronic device 200, and when the standby signal is obtained, the driving of the electrochromic cover 30 is stopped.
For example, the standby signal may be generated when the power key is pressed while the electronic device 200 is in a bright state. The controller of the circuit board 10 acquires the standby signal and stops driving the electrochromic cover 30, so that the color of the electrochromic cover 30 returns to the state before driving.
In another example, the circuit board 10 is used to acquire a prompt signal of the electronic device 200, and when the prompt signal is acquired, the electrochromic cover 30 is driven to change color.
Specifically, in this example, when the electronic device 200 generates the cue signal, the circuit board 10 acquires the cue signal and forms an electrical connection loop, and generates current, so as to enable the color of the driving electrochromic cover 30 to change.
In this embodiment, the prompt signal may be a real-time vibration signal. When the real-time vibration signal appears in the electronic device 200, the circuit board 10 obtains the real-time vibration signal and forms an electrical connection loop to generate current, so that the electrochromic cover 30 can be driven to change color. Thus, the color change of the fingerprint identification module 100 can be used for prompting the user.
For example, the real-time vibration signal may be a real-time vibration signal when a mobile phone sends a short message. Therefore, the user can be prompted to view the short message through the color change of the fingerprint identification module 100. In other embodiments, the real-time vibration signal may be a real-time vibration signal when the mobile phone is unlocked, for example, when the user unlocks the mobile phone by triggering the fingerprint identification module 100, the mobile phone sends a real-time vibration signal prompt indicating that the unlocking is successful. The circuit board 10 acquires a real-time vibration signal and forms an electrical connection loop, thereby driving the electrochromic cover 30 to change color.
In other embodiments, the prompt signal may be a driving signal of an indicator light of the electronic device 100, for example, when there is a missed call or other unprocessed event (e.g., the battery is fully charged but the charger is still plugged in the electronic device) in the electronic device 200, the electronic device 100 controls the indicator light (e.g., an LED light) to flash or illuminate for a long time, and the circuit board 10 can obtain the driving signal of the indicator light and form a loop to drive the electrochromic cover 30 to change color. Therefore, the indication signal is not limited to the vibration signal and the drive signal of the indicator lamp in the present embodiment.
It is understood that in other embodiments, the electronic device 200 may be a tablet computer, a notebook computer, or the like, in which the fingerprint detection function is required.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (9)
1. The utility model provides a fingerprint identification module which characterized in that includes:
a circuit board;
the fingerprint identification chip is arranged on the circuit board and is electrically connected with the circuit board; and
the electrochromic cover plate is arranged on the fingerprint identification chip and is electrically connected with the circuit board, the circuit board is also used for acquiring a state signal of an electronic device, so that the circuit board forms an electric connection loop and generates induction current or induction voltage, the state signal of the electronic device comprises an electromagnetic wave signal, a starting signal, a shutdown signal, a standby signal, an incoming call signal and a vibration signal of the electronic device, and the electrochromic cover plate can generate color change under the driving of the circuit board by utilizing the induction current or the induction voltage;
the electrochromic cover plate is electrochromic glass.
2. The fingerprint identification module of claim 1, wherein the circuit board is a flexible circuit board for sensing an external electromagnetic wave signal, and the flexible circuit board drives the electrochromic cover to change color when sensing the external electromagnetic wave signal.
3. The fingerprint identification module of claim 1, wherein the electrochromic material of the electrochromic glass is an inorganic electrochromic material or an organic electrochromic material, the inorganic electrochromic material comprises tungsten trioxide or nickel oxide, and the organic electrochromic material comprises polythiophene, viologen, tetrathiafulvalene, metal phthalocyanine, a derivative of polythiophene, a derivative of viologen, a derivative of tetrathiafulvalene, or a derivative of metal phthalocyanine.
4. An electronic device, comprising the fingerprint recognition module according to any one of claims 1 to 3.
5. The electronic device of claim 4, wherein the electronic device defines an opening, the fingerprint identification module is received in the electronic device, and the opening exposes the electrochromic cover.
6. The electronic device of claim 4, wherein the circuit board is configured to sense an electromagnetic wave signal of the electronic device and drive the electrochromic cover to change color when the electromagnetic wave signal of the electronic device is sensed.
7. The electronic device according to claim 4, wherein the circuit board is configured to obtain a power-on signal of the electronic device, and drive the electrochromic cover to change color when the power-on signal is obtained.
8. The electronic device according to claim 7, wherein the circuit board is configured to obtain a standby signal of the electronic device, and stop driving the electrochromic cover when the standby signal is obtained.
9. The electronic device according to claim 4, wherein the circuit board is configured to obtain a prompt signal of the electronic device, and drive the electrochromic cover to change color when the prompt signal is obtained.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610182144.2A CN105740852B (en) | 2016-03-28 | 2016-03-28 | Fingerprint identification module and electronic device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610182144.2A CN105740852B (en) | 2016-03-28 | 2016-03-28 | Fingerprint identification module and electronic device |
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| Publication Number | Publication Date |
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| CN105740852A CN105740852A (en) | 2016-07-06 |
| CN105740852B true CN105740852B (en) | 2022-04-05 |
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|---|---|---|---|---|
| CN106874859B (en) * | 2017-01-22 | 2020-04-03 | Oppo广东移动通信有限公司 | Fingerprint identification module and mobile terminal |
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Address after: 330096 No.699 Tianxiang North Avenue, Nanchang hi tech Industrial Development Zone, Nanchang City, Jiangxi Province Applicant after: Jiangxi OMS Microelectronics Co.,Ltd. Address before: 330013 no.1189 Jingdong Avenue, high tech Zone, Nanchang City, Jiangxi Province Applicant before: OFilm Microelectronics Technology Co.,Ltd. Address after: 330013 no.1189 Jingdong Avenue, high tech Zone, Nanchang City, Jiangxi Province Applicant after: OFilm Microelectronics Technology Co.,Ltd. Address before: 330013 no.1189 Jingdong Avenue, high tech Zone, Nanchang City, Jiangxi Province Applicant before: NANCHANG OFILM BIO-IDENTIFICATION TECHNOLOGY Co.,Ltd. |
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