CN108509821A - Fingerprint imaging module and electronic equipment - Google Patents
Fingerprint imaging module and electronic equipment Download PDFInfo
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- CN108509821A CN108509821A CN201710099603.5A CN201710099603A CN108509821A CN 108509821 A CN108509821 A CN 108509821A CN 201710099603 A CN201710099603 A CN 201710099603A CN 108509821 A CN108509821 A CN 108509821A
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- light source
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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
- G06V40/1318—Sensors therefor using electro-optical elements or layers, e.g. electroluminescent sensing
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/10—Image acquisition
- G06V10/12—Details of acquisition arrangements; Constructional details thereof
- G06V10/14—Optical characteristics of the device performing the acquisition or on the illumination arrangements
- G06V10/143—Sensing or illuminating at different wavelengths
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/10—Image acquisition
- G06V10/12—Details of acquisition arrangements; Constructional details thereof
- G06V10/14—Optical characteristics of the device performing the acquisition or on the illumination arrangements
- G06V10/147—Details of sensors, e.g. sensor lenses
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
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- Human Computer Interaction (AREA)
- Image Input (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
A kind of fingerprint imaging module and electronic equipment, the fingerprint imaging module include：Light source, for generating incident light, the incident light includes infrared light, and the infrared light through part to be imaged for conducting to form the imaging for carrying finger print information；Imaging sensor, for acquiring the imaging to obtain fingerprint image.Technical solution of the present invention effectively raises imaging effect of the fingerprint imaging module to dryness finger by using light source, is conducive to the quality for improving the obtained fingerprint image of fingerprint imaging module.
Description
Technical field
The present invention relates to fingerprint imaging field, more particularly to a kind of fingerprint imaging module and electronic equipment.
Background technology
Fingerprint identification technology collects the fingerprint image of human body by fingerprint imaging module, then in fingerprint recognition system
Have fingerprint imaging information to be compared, to realize identification.Due to the use of convenience and somatic fingerprint it is unique
Property, fingerprint identification technology have been widely used in every field, such as：The field of safety check such as public security bureau, customs, the gate inhibition system of building
System and the consumer product areas such as PC and mobile phone etc..
The imaging mode of imaging modules employed in fingerprint identification technology has optical profile type, condenser type, ultrasonic type etc. a variety of
Technology.One of which is that the fingerprint image of human body is acquired by optical imagery module.The work of optical fingerprint imaging modules is former
Reason：The finger of people presses when on the cover sheet of optical fingerprint imaging modules, and the light that light source is sent out forms incident light；It is incident
Light through after imaging sensor (Sensor) and cover sheet to the interface for projecting cover sheet and finger, in finger and protection
Reflection and refraction occur at the position that cover board is in contact；The reflected light is acquired by imaging sensor, by the reflected light
Optical signal is converted to electric signal, and the fingerprint image of finger is can be obtained after processing.
But fingerprint imaging module in the prior art is to be improved to the imaging effect of dryness finger.
Invention content
Problems solved by the invention is to provide a kind of fingerprint imaging module and electronic equipment, with improve to dryness finger at
As effect.
To solve the above problems, the present invention provides a kind of fingerprint imaging module, including：
Light source, for generating incident light, the incident light includes infrared light, and the infrared light is used to conduct through part to be imaged
Form the imaging for carrying finger print information；Imaging sensor, for acquiring the imaging to obtain fingerprint image.
Optionally, the fingerprint imaging module includes sensing area, is located in described image sensor；The sensing area is located at
In described image sensor；The quantity of the light source is multiple, and the multiple light source is arranged around the sensing area.
Optionally, the multiple light source is uniformly distributed in the surrounding of the sensing area.
Optionally, the fingerprint imaging module further includes：Cover sheet is located in described image sensor；The light source
On the cover sheet；The sensing area is the region that the multiple light source and the cover sheet surround.
Optionally, the light source is near-infrared light source or infrared light supply.
Optionally, the light source is infrared light-emitting diode.
Optionally, the wavelength of the infrared light is in 700 nanometers to 1000 nanometer ranges.
Optionally, described image sensor is infrared image sensor.
Optionally, the induction window of described image sensor is at 700 nanometers to 1000 nanometers.
Optionally, the fingerprint imaging sensor further includes：Feel detector, is oppositely arranged with the light source, for visiting
The incident light is surveyed, when not receiving the incident light, control described image sensor acquires the imaging.
Correspondingly, the present invention also provides a kind of electronic equipment, including：The fingerprint imaging module of the present invention.
Optionally, the electronic equipment is mobile phone or tablet computer.
Compared with prior art, technical scheme of the present invention has the following advantages：
Incident light caused by light source includes infrared light；Human skin, which has infrared light, preferably penetrates and transmits work
With, therefore in fingerprint imaging, the infrared light is projected to finger surface, by finger and conducts, and is emitted from finger surface,
Form the imaging for carrying finger print information；Since the imaging is directly to be emitted from finger, the shape of the imaging
At not influenced by finger surface oil layer, so the use of the light source can effectively reduce the requirement to contact, improve
The fingerprint imaging module is conducive to improve the obtained fingerprint image of fingerprint imaging module to the imaging effect of dryness finger
Quality.
In alternative of the present invention, the fingerprint imaging module includes sensing area, and the sensing area is located at described image biography
On sensor, the light source is around the sensing area, that is to say, that the light source is set to described image sensor periphery and corresponds to position
Set place；This way is advantageously implemented the ultrathin of the fingerprint imaging module, is conducive to improve the fingerprint imaging module
Integrated level.
In alternative of the present invention, the fingerprint imaging module further includes：It is detected with the thoughts and feelings that the light source is oppositely arranged
Device, for detecting the incident light；It is additionally operable to when not receiving the incident light, described in control described image sensor acquisition
Imaging.It can judge whether there is finger in the sensing area by the light source and the thoughts and feelings detector, if carry out
Fingerprint sensing advantageously reduces to realize the touch function of the fingerprint imaging module with touch function fingerprint imaging
The volume of module advantageously reduces the energy consumption of the fingerprint imaging module.
Description of the drawings
Fig. 1 is a kind of cross-sectional view of fingerprint imaging module；
Fig. 2 is that the light of reflection and refraction occurs for incident light in structure shown in dotted line frame 14 in fingerprint imaging module shown in Fig. 1
Road schematic diagram；
Fig. 3 is the cross-sectional view of one embodiment of fingerprint imaging module of the present invention；
Fig. 4 is the light path schematic diagram during embodiment illustrated in fig. 3 fingerprint sensing；
Fig. 5 is in embodiment illustrated in fig. 3 along the overlooking structure diagram in the directions A；
Fig. 6 is the cross-sectional view of another embodiment of fingerprint imaging module of the present invention.
Specific implementation mode
By background technology it is found that fingerprint imaging module in the prior art asks dryness finger there are imaging effect is bad
Topic.Structure and image-forming principle in conjunction with fingerprint imaging module analyze the reason of its imaging effect difference problem：
Optical fingerprint imaging modules include mainly：Cover sheet, optical sensor, integrated chip (IC), flexible circuit
Electronic device (including light source led), light guide plate, upper protection shell on plate (FPC) and flexible PCB and lower protection shell
Equal critical pieces.Wherein optical sensor is to utilize amorphous silicon film transistor (a-Si TFT), low-temperature polysilicon film crystal
The semiconductor process techniques such as (LTPS TFT) or oxide semiconductor thin-film transistor (OS TFT) are managed, are made on the glass substrate
's；Later encapsulation is realized by processes such as cutting, dispensing, bondings.
With reference to figure 1, a kind of cross-sectional view of fingerprint imaging module is shown.
As shown in Figure 1, the fingerprint imaging module is super-thin optical fingerprint imaging modules.The fingerprint imaging module
Be by photoelectricity transformation principle realize fingerprint imaging, including：Light source 11, the optics area array sensor on the light source 11
12, the protective layer 13 on the optics area array sensor 12.
When acquiring fingerprint, finger 10 presses on protective layer 13；The incident light that light source 11 generates is in finger 10 and protection
Reflection and transmission occur for the contact interface of layer 13；It is formed by reflected light and penetrates protective layer 13, be projected to optics area array sensor
On 12；Optics area array sensor 12 acquires the reflected light, and carries out opto-electronic conversion and signal processing, realizes adopting for fingerprint image
Collection.The encapsulation of the optics area array sensor 12 mainly use after dicing by photoelectric sensor small pieces by sealing material with it is upper
Lid carries out fitting and realizes encapsulation.
In conjunction with reference to figure 2, showing in fingerprint imaging module shown in Fig. 1 that incident light occurs anti-in structure shown in dotted line frame 14
The light path schematic diagram penetrated and reflected.
As shown in Fig. 2, when acquiring fingerprint, finger 10 presses on the surface of the protective layer 13, with 10 surface of finger
Texture fluctuating, 10 surface oil lipid layer 10a of finger and the contact area on 13 surface of the protective layer change：In fingerprint valley
Position, oil layer 10a and the contact area on 13 surface of the protective layer are smaller, or even do not contact, in finger 10 and the guarantor
Air layer 15 is formed between sheath 13；In the position of fingerprint ridge, the contact area on 10a and 13 surface of the protective layer compared with
Greatly.
Due to the refractive index of air and grease and unequal, thus incident light 11a be projected to the oil layer 10a with it is described
Protective layer 13 be in contact the refraction and reflection occurred at position the case where with incident light 11a be projected to air layer 15 and the guarantor
Sheath 13 be in contact the refraction and reflection occurred at position the case where and differ, that is to say, that incident light 11a is projected to finger
The light intensity of formed reflected light 11b and incident light 11a are projected to formed reflected light 11c at fingerprint valley position at wrinkle ridge position
Light intensity simultaneously differs.So as shown in Figure 1, fingerprint distributed intelligence is carried being formed by reflected light, so the optical surface
Array sensor 12 can obtain fingerprint image by acquiring the reflected light.
But for dryness finger, the grease of finger surface, moisture are less, that is to say, that the oil layer
The thickness and area of 10a is smaller, so when acquiring fingerprint, oil layer 10a is insufficient contact with 13 surface of protective layer, contact
Area is smaller, incident light 11a at fingerprint ridge position formed reflected light 11b light intensity and the incident light 11a in the fingerprint
The difference of formed reflected light 11c light intensity is smaller at paddy position, so the optics area array sensor 12 acquires the reflected light
Obtained fingerprint image quality is poor.
To solve the technical problem, the present invention provides a kind of fingerprint imaging module, includes infrared light by light source generation
Incident light, the effect using finger to infrared Absorption and conduction forms the imaging, so as to improve the fingerprint imaging
Imaging effect of the module to dryness finger.
To make the above purposes, features and advantages of the invention more obvious and understandable, below in conjunction with the accompanying drawings to the present invention
Specific embodiment be described in detail.
With reference to figure 3, the cross-sectional view of one embodiment of fingerprint imaging module of the present invention is shown.
The fingerprint imaging module includes：
Light source 110, for generating incident light, the incident light includes infrared light, and the infrared light is used for through part to be imaged
Conduction forms the imaging for carrying finger print information；Imaging sensor 130, for acquiring the imaging to obtain fingerprint image
Picture.
Incident light caused by light source 110 includes infrared light；Human skin, which has infrared light, preferably to be penetrated and transmits
Effect, therefore in fingerprint imaging, the infrared light is projected to finger surface, by finger and conducts, goes out from finger surface
It penetrates, forms the imaging for carrying finger print information；Since the imaging is directly to be emitted from finger, the imaging
Formation is not influenced by finger surface oil layer, so the use of the light source 110 can effectively reduce the requirement to contact,
Imaging effect of the fingerprint imaging module to dryness finger is improved, is conducive to improve the obtained fingerprint of fingerprint imaging module
The quality of image.
The technical solution of the invention will now be described in detail with reference to the accompanying drawings fingerprint imaging module.
The light source 110 is for generating incident light.Specifically, the light source is near-infrared light source or infrared light supply.Institute
Include infrared light with incident light produced by the light source 110.In the present embodiment, the light source 110 is infrared light-emitting diode, with
The volume for reducing the fingerprint imaging module improves the integrated level of the fingerprint imaging module.
In conjunction with reference to figure 4, the light path schematic diagram during embodiment illustrated in fig. 3 fingerprint sensing is shown.
As shown in figure 4, in the present embodiment, the part to be imaged is finger 100.
Human skin to infrared light have it is preferable penetrate and transmittability, therefore during fingerprint sensing, it is described enter
Light is penetrated when being projected to 100 surface of finger, infrared light is absorbed and is conducted by finger 100, from 100 surface of finger be emitted, formed at
As light；Since fingerprint valley position is emitted the light intensity of imaging and the light intensity of fingerprint ridge position outgoing imaging and differs, so
The distribution of the imaging light intensity is related to the distribution that finger surface rises and falls, that is to say, that the imaging carries fingerprint letter
Breath.
Human body is to the infrared light reflection of different wave length and the ability of absorption and differs：(wavelength is micro- 1.5 for LONG WAVE INFRARED light
Meter or more) it is weaker to the penetration capacity of human body, when LONG WAVE INFRARED light projection to human body, most infrared lights reflected or by
Shallow-layer skin histology absorbs；Human body is worn in the near-infrared part of short-wave infrared light (wavelength is within 1.5 microns) and feux rouges
Saturating ability is stronger, when short-wave infrared light projection to human body, is largely absorbed by the body；And human body itself is an infra-red radiation
Source, human body is continual to emit far red light, and the wave-length coverage of human infrared radiation is in 2.5 micron ranges.
So the wave-length coverage of incident light mid-infrared light produced by the light source 110 is at 700 nanometers to 1000 nanometer ranges
It is interior, it to make the infrared light is as much as possible to penetrate finger 100, and is conducted by finger 100, to improve formed imaging
Light intensity；In addition, the infrared light wavelength is set in suitable range, the interference of human body radiation can also be reduced, is improved
The signal-to-noise ratio of the fingerprint imaging module, obtains the fingerprint image of high quality.Specifically, in the present embodiment, 100 institute of the light source
The wave-length coverage for generating incident light can be in 780 nanometers to 850 nanometer ranges.
Since the infrared light supply light source 110 is for absorption and reflection according to finger 100 to incident light, formed it is described at
As light, so the formation of the imaging is not exposed to the influence of 100 surface oil lipid layer of finger, to finger 100 and the fingerprint
The contact of imaging modules requires to reduce, so can effectively improve the fingerprint imaging module to dry using the way of light source 110
Property finger imaging effect, be conducive to improve the quality that the fingerprint imaging module obtains fingerprint image.
The optical signal of the imaging is converted to telecommunications by described image sensor 130 for acquiring the imaging
Number to obtain fingerprint image.
Specifically, in the present embodiment, the fingerprint imaging module is to form institute by finger and transmitting IR
Imaging is stated, so the imaging main component is infrared light, so described image sensor 130 is infrared image sensing
Device, the induction window of described image sensor 130 is in 700 nanometers to 1000 nanometer ranges, to make described image sensor
130 can have preferable imaging effect to the imaging, be conducive to the fingerprint image for obtaining high quality.
It should be noted that the way of the structure (such as thicknesses of layers) of change described image sensor 130 can be passed through
The response window for modulating described image sensor 130, to the response window for making described image sensor 130 and the incident light
Wave-length coverage be adapted, to improve the quality of obtained fingerprint image.
In conjunction with reference to figure 5, showing in embodiment illustrated in fig. 3 along the overlooking structure diagram in the directions A.
The fingerprint imaging module further includes sensing area 120, is located in described image sensor 130；The light source 110
Quantity is multiple, and the multiple light source 110 is arranged around the sensing area 120.Incident light is generated using multiple light sources 110, and
Make the multiple light source 110 around the way of the sensing area 120, the intensity of produced incident light can be effectively improved, favorably
In the light intensity for improving formed imaging, be conducive to the quality for improving fingerprint image.
As shown in figure 5, the multiple light source 110 is uniformly distributed in the surrounding of the sensing area 120.In the present embodiment, institute
The quantity for stating light source 110 is 4, and the shape of the sensing area 120 is rectangular, and 4 light sources 110 are located at described rectangular
On the four edges of sensing area 120.The way that the multiple light source 110 is uniformly arranged on 120 surrounding of the sensing area can be had
The uniformity of incident light, is conducive to the acquisition of high quality fingerprint image produced by effect improves.
In the present embodiment, described image sensor 130 includes substrate (not indicated in figure), photosensitive in the substrate
The encapsulated layer (not indicated in figure) of layer (not indicated in figure) and the covering photosensitive layer.
The substrate is for improving Process ba- sis；There are sensor devices (such as photodiode) in the photosensitive layer, use
In the acquisition imaging to obtain fingerprint image；The encapsulated layer avoids institute for the photosensitive layer and external environment to be isolated
It states photosensitive layer to be exposed to the external environment, is additionally operable to reduce the photosensitive layer probability impaired by touch, described in improving
The stability of imaging sensor 130.Specifically, the material of the encapsulated layer is that silica, silicon nitride or silicon oxynitride etc. are transparent
Encapsulating material.
With continued reference to Fig. 3, in the present embodiment, the fingerprint imaging module further includes：Cover sheet 140 is located at the figure
As on sensor 130；The light source 110 is located on the cover sheet 140；The sensing area 120 is the multiple light source 110
The region surrounded with the cover sheet 140.
The light source 110 is located on the cover sheet 140, and is set to the periphery of the sensing area 120, can will be described
Light source 110 and the edge of the fingerprint imaging module are integrated, and to be advantageously implemented the ultrathin of the fingerprint imaging module, are had
Conducive to the integrated level of the raising fingerprint imaging module.
With reference to figure 6, the cross-sectional view of another embodiment of fingerprint imaging module of the present invention is shown.
Details are not described herein with the previous embodiment something in common present invention for the present embodiment.The present embodiment and previous embodiment are not
It is with place, in the present embodiment, the fingerprint imaging module further includes：Detector 210 is felt, for detecting the incidence
Light, when not receiving the incident light, control described image sensor 230 acquires the imaging.
Due to the straightline propagation property of light, the thoughts and feelings detector 211 is oppositely arranged with the light source 210, that is to say, that
The thoughts and feelings detector 211 is located at the both sides of the sensing area 220 with the light source 210.This way is conducive to described
Feel detection of the detector 211 to the incident light, is conducive to improve the precision to thoughts and feelings detection.
When not carrying out fingerprint sensing, incident light caused by the light source 210 is directly projected to the thoughts and feelings detector
On 211, being detected by the thoughts and feelings detector 211, the thoughts and feelings detector 211 judges in the sensing area 220 without finger,
So without fingerprint sensing, described image sensor 220 does not acquire imaging；When carrying out fingerprint sensing, finger is located at institute
It states in sensing area 220, the incident light is projected on finger, and due to blocking for finger, the thoughts and feelings detector 211 can not detect
To the incident light, so the thoughts and feelings detector 211 judges there is finger in the sensing area 220, so fingerprint sensing is carried out,
The thoughts and feelings detector 211 controls described image sensor 230 and acquires imaging, to obtain fingerprint image.
So while carrying out fingerprint sensing using light source 210, coordinate the thoughts and feelings detector 211, can judge described
Whether there is finger in sensing area 220, if fingerprint sensing is carried out, to realize the touch-control work(of the fingerprint imaging module
Can, the volume with touch function fingerprint imaging module is advantageously reduced, the energy consumption of the fingerprint imaging module is advantageously reduced.
Correspondingly, the present invention also provides a kind of electronic equipment, including：Fingerprint imaging module of the present invention.
The fingerprint imaging module is for acquiring fingerprint image.The fingerprint imaging module is fingerprint imaging mould of the present invention
Group, specific technical solution refer to the specific embodiment of aforementioned fingerprint imaging modules, and details are not described herein by the present invention.The electronics is set
For according to the obtained fingerprint image of fingerprint imaging module, fingerprint recognition is carried out.
During carrying out fingerprint sensing, the fingerprint imaging module is referred to by the incident light that the light source generates
Line senses, different with reflex to the absorption of the incident light according to finger and obtain fingerprint image, so the fingerprint image
The acquisition of picture is unrelated with finger surface oil layer, and the fingerprint imaging module is preferable to the imaging effect of dryness finger, Neng Gouyou
The image quality of the raising fingerprint imaging module of effect, to be conducive to improve the knowledge of the electronic equipment fingerprint identification function
Other precision and usage experience.
In the present embodiment, the electronic equipment is mobile phone or tablet computer.The fingerprint imaging module can be by by institute
It states light source and realizes integration with module edge, to be advantageously implemented the ultrathin of the fingerprint imaging module, be conducive to improve institute
State the integrated level of electronic equipment.
To sum up, incident light caused by the light source includes infrared light；Human skin, which has infrared light, preferably to be penetrated
And transmitting effect, therefore in fingerprint imaging, the infrared light is projected to finger surface, by finger and conducts, from finger
Surface is emitted, and forms the imaging for carrying finger print information；Due to the imaging be directly from finger be emitted, it is described at
As the formation of light is not influenced by finger surface oil layer, contact is wanted so the use of the light source can be reduced effectively
It asks, improves imaging effect of the fingerprint imaging module to dryness finger, being conducive to, which improves the fingerprint imaging module, is obtained
The quality of fingerprint image.Moreover, in alternative of the present invention, the fingerprint imaging module includes sensing area, the sensing position
In in described image sensor, the light source is around the sensing area, that is to say, that the light source is set to described image sensing
Device periphery corresponding position；This way is advantageously implemented the ultrathin of the fingerprint imaging module, is conducive to improve the finger
The integrated level of line imaging modules.In addition, in alternative of the present invention, the fingerprint imaging module further includes：With the light source phase
To the thoughts and feelings detector of setting, for detecting the incident light；It is additionally operable to when not receiving the incident light, controls the figure
As sensor acquires the imaging.It can judge whether have in the sensing area by the light source and the thoughts and feelings detector
There is finger, if carry out fingerprint sensing, to realize the touch function of the fingerprint imaging module, advantageously reduce with tactile
The volume for controlling function fingerprint imaging module, advantageously reduces the energy consumption of the fingerprint imaging module.
Although present disclosure is as above, present invention is not limited to this.Any those skilled in the art are not departing from this
It in the spirit and scope of invention, can make various changes or modifications, therefore protection scope of the present invention should be with claim institute
Subject to the range of restriction.
Claims (12)
1. a kind of fingerprint imaging module, which is characterized in that including：
Light source, for generating incident light, the incident light includes infrared light, and the infrared light through part to be imaged for conducting to be formed
Carry the imaging of finger print information；
Imaging sensor, for acquiring the imaging to obtain fingerprint image.
2. fingerprint imaging module as described in claim 1, which is characterized in that the fingerprint imaging module includes sensing area, position
In in described image sensor；
The quantity of the light source is multiple, and the multiple light source is arranged around the sensing area.
3. fingerprint imaging module as claimed in claim 2, which is characterized in that the multiple light source is uniformly distributed in the sensing
The surrounding in area.
4. fingerprint imaging module as claimed in claim 2, which is characterized in that the fingerprint imaging module further includes：Protection cap
Plate is located in described image sensor；
The light source is located on the cover sheet；
The sensing area is the region that the multiple light source and the cover sheet surround.
5. fingerprint imaging module as described in claim 1, which is characterized in that the light source is near-infrared light source or infrared light
Source.
6. the fingerprint imaging module as described in claim 1 or 5, which is characterized in that the light source is infrared light-emitting diode.
7. fingerprint imaging module as described in claim 1, which is characterized in that the wavelength of the infrared light is arrived at 700 nanometers
In 1000 nanometer ranges.
8. fingerprint imaging module as described in claim 1, which is characterized in that described image sensor is infrared image sensing
Device.
9. the fingerprint imaging module as described in claim 1 or 8, which is characterized in that the induction window of described image sensor exists
700 nanometers in 1000 nanometer ranges.
10. fingerprint imaging module as described in claim 1, which is characterized in that the fingerprint imaging sensor further includes：Thoughts and feelings
Detector is oppositely arranged with the light source, for detecting the incident light, when not receiving the incident light, described in control
Imaging sensor acquires the imaging.
11. a kind of electronic equipment, which is characterized in that including：Such as claim 1 to claim 10 any one claim institute
The fingerprint imaging module stated.
12. electronic equipment as claimed in claim 11, which is characterized in that the electronic equipment is mobile phone or tablet computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710099603.5A CN108509821A (en) | 2017-02-23 | 2017-02-23 | Fingerprint imaging module and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710099603.5A CN108509821A (en) | 2017-02-23 | 2017-02-23 | Fingerprint imaging module and electronic equipment |
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| Publication Number | Publication Date |
|---|---|
| CN108509821A true CN108509821A (en) | 2018-09-07 |
Family
ID=63373582
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710099603.5A Pending CN108509821A (en) | 2017-02-23 | 2017-02-23 | Fingerprint imaging module and electronic equipment |
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| CN114241539A (en) * | 2021-12-07 | 2022-03-25 | 圣点世纪科技股份有限公司 | Vein identification equipment based on TFT infrared sensor |
| US11922713B2 (en) | 2018-09-27 | 2024-03-05 | Apple Inc. | Under-display optical fingerprint sensor with NFV collimator and TFT/organic imager |
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| CN104318204A (en) * | 2014-09-29 | 2015-01-28 | 上海箩箕技术有限公司 | Fingerprint imaging system and method, fingerprint identification system, electronic apparatus |
| CN105867701A (en) * | 2015-01-23 | 2016-08-17 | 中兴通讯股份有限公司 | Integrated photoelectric touch screen and apparatus, electronic device as well as touch identification method and system |
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| US11922713B2 (en) | 2018-09-27 | 2024-03-05 | Apple Inc. | Under-display optical fingerprint sensor with NFV collimator and TFT/organic imager |
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Application publication date: 20180907 |