CN109359459A - Fingerprint identification method, fingerprint identification device and display module - Google Patents
Fingerprint identification method, fingerprint identification device and display module Download PDFInfo
- Publication number
- CN109359459A CN109359459A CN201811257481.9A CN201811257481A CN109359459A CN 109359459 A CN109359459 A CN 109359459A CN 201811257481 A CN201811257481 A CN 201811257481A CN 109359459 A CN109359459 A CN 109359459A
- Authority
- CN
- China
- Prior art keywords
- optical signal
- pixel region
- target pixel
- fingerprint identification
- fingerprint
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Software Systems (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Image Input (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The present invention provides a kind of fingerprint identification method, fingerprint identification device and display module.The fingerprint identification method is applied to display module, and the display module includes array substrate and the multiple lines and multiple rows fingerprint Identification sensor for corresponding to display area setting in the array substrate, and the fingerprint Identification sensor is for receiving optical signal；The fingerprint identification method includes: to determine the target pixel region of finger covering when carrying out fingerprint recognition；When finger covers the target pixel region, the optical signal that fingerprint Identification sensor corresponding with the target pixel region receives is detected；The optical signal is modified, revised optical signal is obtained；Fingerprint recognition is carried out according to the revised optical signal.The present invention effectively improves fingerprint recognition precision under the premise of not being related to complex optical path and technique, optimizes fingerprint recognition effect.
Description
Technical field
The present invention relates to fingerprint identification technology field more particularly to a kind of fingerprint identification method, fingerprint identification device and show
Show mould group.
Background technique
As shown in Figure 1, display module includes array substrate 120, pair on the first bottom surface of the array substrate 120
The multiple lines and multiple rows fingerprint Identification sensor 110 that should be arranged in display area is (merely exemplary in Fig. 1 to draw out the finger
Line identification sensor 110), and the multiple sub-pixes being set on the second bottom surface of the array substrate 120, each sub-pix
Including the anode, luminous material layer 130 and cathode 140 being arranged successively, the anode is set to the second of the array substrate 120
On bottom surface (the not separately shown anode in Fig. 1), the multiple sub-pix shares a cathode 140, and label in Fig. 1
It is cover board for 150.
When finger touches the cover board 150, the light emission that the luminous material layer 130 issues is anti-to finger, then by finger
Light is penetrated to the fingerprint Identification sensor 110, the light that the luminous material layer 130 issues may also can be anti-by the cathode 140
It penetrates to form stray light, which can also be reflected onto the fingerprint Identification sensor 110, and stray light is to fingerprint recognition precision
Influence it is bigger, the presence of stray light will affect the effect of fingerprint recognition, in order to eliminate the influence of stray light, usually adopt at present
Method is to increase photoresist layer to adjust optical path, reduces the quantity for the stray light being irradiated on fingerprint Identification sensor, together
Shi Zengjia target light enters the quantity of fingerprint Identification sensor, so that fingerprint recognition precision is improved, however such method is related to again
Miscellaneous light path design, and need to increase technique, it is more demanding to technique.
Summary of the invention
The main purpose of the present invention is to provide a kind of fingerprint identification method, fingerprint identification device and display modules, solve
Existing fingerprint identification method is related to complicated light path design, and needs to increase technique, the problem more demanding to technique.
In order to achieve the above object, the present invention provides a kind of fingerprint identification methods, are applied to display module, the display
Mould group includes array substrate and the multiple lines and multiple rows fingerprint recognition for corresponding to display area setting in the array substrate
Sensor, the fingerprint Identification sensor is for receiving optical signal；The fingerprint identification method includes: to carry out fingerprint recognition
When,
Determine the target pixel region of finger covering；
When finger covers the target pixel region, fingerprint recognition sensing corresponding with the target pixel region is detected
The optical signal that device receives；
The optical signal is modified, revised optical signal is obtained；
Fingerprint recognition is carried out according to the revised optical signal.
Described to be modified to the optical signal when implementation, obtaining revised optical signal step includes: to cover in finger
When the target pixel region,
Obtain pre-stored standard fingerprint image；
The sub-pix controlled in the target pixel region all shines, and detects corresponding with the target pixel region each
The optical signal that fingerprint Identification sensor receives determines that the optical signal is benchmark optical signal, and is obtained according to the baseline optical signal
Reference finger image；
All sub-pixes in the target pixel region are successively closed, each sub- picture in the target pixel region
When element is closed, the actual optical signal that each fingerprint Identification sensor corresponding with the target pixel region receives is detected,
And actual fingerprint image is obtained according to the actual optical signal；When the actual fingerprint image more connects than the reference finger image
When the nearly standard fingerprint image, controls the sub-pix and shine, when the actual fingerprint image is unlike the reference finger image
When the closer standard fingerprint image, controls the sub-pix and remained off in this fingerprint recognition；
The optical signal that fingerprint Identification sensor corresponding with the target pixel region receives is detected, determines the optical signal
For revised optical signal.
Described to be modified to the optical signal when implementation, obtaining revised optical signal step includes:
Obtain the basic optical signal that fingerprint Identification sensor corresponding with the target pixel region receives；
When finger covers the target pixel region, the predetermined color sub-pix hair in the target pixel region is controlled
Light, other color sub-pixes controlled in the target pixel region are closed, and finger corresponding with the target pixel region is detected
The actual optical signal that line identification sensor receives；
The revised optical signal is obtained according to the actual optical signal and the basic optical signal.
When implementation, in the base light for obtaining fingerprint Identification sensor corresponding with the target pixel region and receiving
It is described to be modified to the optical signal before signals step, obtain revised optical signal step further include:
When finger does not cover the target pixel region, the predetermined color sub-pix in the target pixel region is controlled
It shines, other color sub-pixes controlled in the target pixel region are closed, and are detected corresponding with the target pixel region
The optical signal that fingerprint Identification sensor receives determines that the optical signal is the basic optical signal.
It is described to obtain the revised optical signal with the basic optical signal according to the actual optical signal and walk when implementation
Suddenly include:
Determine the intensity of the revised optical signal equal to the intensity of the actual optical signal and the basic optical signal
Intensity between difference.
The present invention also provides a kind of fingerprint identification devices, are applied to display module, the display module includes array base
Plate and the multiple lines and multiple rows fingerprint Identification sensor for corresponding to display area setting in the array substrate, the finger
Line identification sensor is for receiving optical signal；The fingerprint identification device includes:
Target pixel region determination unit, for determining the target pixel region of finger covering when carrying out fingerprint recognition；
Detection unit, it is corresponding with the target pixel region for being detected when finger covers the target pixel region
The optical signal that fingerprint Identification sensor receives；
Amending unit obtains revised optical signal for being modified to the optical signal；And
Fingerprint identification unit, for carrying out fingerprint recognition according to the revised optical signal.
When implementation, the amending unit includes:
Module is obtained, for obtaining pre-stored standard fingerprint image；
Reference finger image obtains module, for controlling the target picture when finger covers the target pixel region
Sub-pix in plain region all shines, and detects what each fingerprint Identification sensor corresponding with the target pixel region received
Optical signal determines that the optical signal is benchmark optical signal, and obtains reference finger image according to the baseline optical signal；
Correction module, for obtaining module in the reference finger image when finger covers the target pixel region
After having obtained the reference finger image, all sub-pixes in the target pixel region are successively closed, in the target
When each sub-pix in pixel region is closed, each fingerprint Identification sensor corresponding with the target pixel region is detected
The actual optical signal received, and actual fingerprint image is obtained according to the actual optical signal；When the actual fingerprint image ratio
When the reference finger image is closer to the standard fingerprint image, controls the sub-pix and shine, when the actual fingerprint image
When unlike the reference finger image closer to the standard fingerprint image, sub-pix holding in this fingerprint recognition is controlled
Closed state；And
Determining module, for successively closing institute in the correction module when finger covers the target pixel region
After stating all sub-pixes in target pixel region, detects fingerprint Identification sensor corresponding with the target pixel region and connect
The optical signal received determines that the optical signal is revised optical signal.
When implementation, the amending unit includes:
Base light signal acquisition module is received for obtaining fingerprint Identification sensor corresponding with the target pixel region
The basic optical signal arrived；
Actual optical signal detection module, for controlling the object pixel when finger covers the target pixel region
Predetermined color sub-pix in region shines, other color sub-pixes controlled in the target pixel region are closed, detection with
The actual optical signal that the corresponding fingerprint Identification sensor in the target pixel region receives；And
Optical signal correction module, it is described revised for being obtained according to the actual optical signal with the basic optical signal
Optical signal.
When implementation, fingerprint identification device of the present invention further include:
Basic optical signal determination unit, for controlling the target picture when finger does not cover the target pixel region
Predetermined color sub-pix in plain region shines, other color sub-pixes controlled in the target pixel region are closed, detection
The optical signal that fingerprint Identification sensor corresponding with the target pixel region receives determines that the optical signal is the base light
Signal.
When implementation, the optical signal correction module is used to determine that the intensity of the revised optical signal to be equal to the reality
Difference between the intensity of optical signal and the intensity of the basic optical signal.
The present invention also provides a kind of display modules, including above-mentioned fingerprint identification device.
Compared with prior art, fingerprint identification method of the present invention, fingerprint identification device and display module by pair
The optical signal that corresponding fingerprint Identification sensor receives in finger coverage goal pixel region is modified, spuious to reduce
Influence of the light to the precision of fingerprint recognition effectively improves fingerprint recognition precision under the premise of not being related to complex optical path and technique,
Optimize fingerprint recognition effect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of existing display module；
Fig. 2 is the flow chart of fingerprint identification method described in the embodiment of the present invention；
Fig. 3 is the flow chart of fingerprint identification method described in another embodiment of the present invention；
Fig. 4 is the flow chart of fingerprint identification method described in further embodiment of this invention；
Fig. 5 is the structural block diagram of fingerprint identification device described in the embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fingerprint identification method described in the embodiment of the present invention is applied to display module, and the display module includes array base
Plate and the multiple lines and multiple rows fingerprint Identification sensor for corresponding to display area setting in the array substrate, the fingerprint
Identification sensor is for receiving optical signal；As shown in Fig. 2, the fingerprint identification method include: when carrying out fingerprint recognition,
S1: the target pixel region of finger covering is determined；
S2: when finger covers the target pixel region, fingerprint recognition corresponding with the target pixel region is detected
The optical signal that sensor receives；
S3: being modified the optical signal, obtains revised optical signal；
S4: fingerprint recognition is carried out according to the revised optical signal.
Fingerprint identification method described in the embodiment of the present invention by referring to accordingly in finger coverage goal pixel region
The optical signal that line identification sensor receives is modified, and to reduce influence of the stray light to the precision of fingerprint recognition, is not being related to
And under the premise of complex optical path and technique, fingerprint recognition precision is effectively improved, optimizes fingerprint recognition effect.
In the specific implementation, the target pixel region is contained in the display area, when finger touches display area packet
When any pixel region included, fingerprint recognition can be carried out.
According to a kind of specific embodiment, as shown in figure 3, described be modified the optical signal, obtain revised
Optical signal step S3 may include: finger cover the target pixel region when,
S31: pre-stored standard fingerprint image is obtained；
S32: the sub-pix controlled in the target pixel region all shines, and detects corresponding with the target pixel region
The optical signal that each fingerprint Identification sensor receives determines that the optical signal is benchmark optical signal, and according to the baseline optical signal
Obtain reference finger image；
S33: successively closing all sub-pixes in the target pixel region, each in the target pixel region
When sub-pix is closed, the practical light letter that each fingerprint Identification sensor corresponding with the target pixel region receives is detected
Number, and actual fingerprint image is obtained according to the actual optical signal；When the actual fingerprint image is than the reference finger image
When the closer standard fingerprint image, controls the sub-pix and shine, when the actual fingerprint image is unlike the reference finger
When image is closer to the standard fingerprint image, controls the sub-pix and remained off in this fingerprint recognition；
S34: the optical signal that detection fingerprint Identification sensor corresponding with the target pixel region receives determines the light
Signal is revised optical signal.
In fingerprint recognition, finger coverage goal pixel region, fingerprint Identification sensor receives optical signalling, successively closes
The sub-pix in the target pixel region is closed, when closing sub-pix (namely the control sub-pix does not shine),
It checks fingerprint recognition effect, if fingerprint recognition effect enhances, confirms and close the sub-pix, be then shut off next sub-pix；If
Fingerprint recognition effect is non-reinforced, then controls the sub-pix and shine, close next sub-pix, carry out compliance test result with this, until will
Sub-pix inspection in the target pixel region finishes, and is closed by method as above to the biggish sub-pix of stray light is generated
It closes, to achieve the purpose that promote fingerprint recognition effect.
In practical operation, when finger covers the target pixel region, can control in the target pixel region
All sub-pixes when luminous identical (namely the data voltage for all sub-pixes being provided in the target pixel region of brightness
It is equal), it also can control the light emission luminance difference for controlling each sub-pix in the target pixel region, the object pixel area
The light emission luminance of each sub-pix in domain can be selected according to the actual situation.
If the sub-pix in the target pixel region shines, biggish stray light can be generated, then the sub-pix closes
When closing namely the actual fingerprint image than the reference finger image closer to the standard fingerprint image, then make fingerprint
Recognition effect enhancing；If the sub-pix in the target pixel region shines, the stray light of generation is smaller or does not generate miscellaneous
Astigmatism, then when the sub-pix is closed, the actual fingerprint image will not refer to than the reference finger image closer to the standard
Print image then makes fingerprint recognition effect non-reinforced.
In practical operation, the actual fingerprint image whether than the reference finger image closer to the standard fingerprint
Image can intuitively judge by comparing actual fingerprint image, reference finger image and standard fingerprint image, can also root
Judge to obtain according to following method:
The standard optical signal that each fingerprint Identification sensor corresponding with the standard fingerprint image receives is obtained,
And obtain the intensity of the standard optical signal；
Obtain the intensity for the baseline optical signal that each fingerprint Identification sensor receives；
Obtain the intensity for the actual optical signal that each fingerprint Identification sensor receives；
Compare the intensity of the intensity of the standard optical signal, the intensity of the baseline optical signal and the actual optical signal,
Obtain following comparison result:
For the M fingerprint Identification sensors, the intensity of baseline optical signal compared with actual optical signal intensity closer to
The intensity of standard optical signal, alternatively, the intensity of baseline optical signal is equal to the intensity of actual optical signal；
For N number of fingerprint Identification sensor, the intensity of actual optical signal compared with baseline optical signal intensity closer to
The intensity of standard optical signal；
It is positive integer that N, which is equal to 0 or N, and it is positive integer that M, which is equal to 0 or M,；
If M is greater than or equal to N, it is non-reinforced that judgement obtains fingerprint recognition effect, if M is less than N, judgement obtains fingerprint
Effect enhancing.It is corrected according to another specific embodiment as shown in figure 4, described be modified to the optical signal
Optical signal step S3 afterwards may include:
S41: the basic optical signal that fingerprint Identification sensor corresponding with the target pixel region receives is obtained；
S42: when finger covers the target pixel region, the predetermined color Asia picture in the target pixel region is controlled
Element shines, other color sub-pixes controlled in the target pixel region are closed, and detects corresponding with the target pixel region
The actual optical signal that receives of fingerprint Identification sensor；
S43: the revised optical signal is obtained according to the actual optical signal and the basic optical signal.
When carrying out fingerprint recognition, the object pixel area can be controlled when finger covers the target pixel region
Predetermined color sub-pix in domain shines, and (namely the sub-pix in the target pixel region only carries out the hair of a certain specific light
Penetrate, which can be the light with solid color, for example, the specific light can be feux rouges, green light, blue light or white light),
And the actual optical signal that fingerprint Identification sensor corresponding with the target pixel region receives is detected, and believe from the practical light
The basic optical signal is removed in number, to obtain the revised optical signal, to promote the precision of fingerprint recognition.
Specifically, in the base light for obtaining fingerprint Identification sensor corresponding with the target pixel region and receiving
It is described to be modified to the optical signal before signals step, obtain revised optical signal step further include:
When finger does not cover the target pixel region, the predetermined color sub-pix in the target pixel region is controlled
It shines, other color sub-pixes controlled in the target pixel region are closed, and are detected corresponding with the target pixel region
The optical signal that fingerprint Identification sensor receives determines that the optical signal is the basic optical signal.
In the specific implementation, the basic optical signal can be to work as institute when finger does not cover the target pixel region
When stating predetermined color sub-pix in target pixel region and shining, the fingerprint corresponding with the target pixel region detected is known
The optical signal that individual sensor receives.
In practical operation, when determining the basic optical signal, the optical signal of the predetermined color sub-pix sending
Brightness is identical as the brightness of optical signal that the predetermined color sub-pix in step S42 issues.
Specifically, described obtain the revised optical signal and walk according to the actual optical signal with the basic optical signal
Suddenly may include:
Determine the intensity of the revised optical signal equal to the intensity of the actual optical signal and the basic optical signal
Intensity between difference.
Fingerprint identification method described in the embodiment of the present invention, which reduces stray light by setting different algorithms, knows fingerprint
Other influence effectively optimizes the effect of fingerprint recognition under the premise of not being related to complex optical path and technique.
Fingerprint identification device described in the embodiment of the present invention is applied to display module, and the display module includes array base
Plate and the multiple lines and multiple rows fingerprint Identification sensor for corresponding to display area setting in the array substrate, the finger
Line identification sensor is for receiving optical signal；As shown in figure 5, the fingerprint identification device includes:
Target pixel region determination unit 51, for determining the object pixel area of finger covering when carrying out fingerprint recognition
Domain；
Detection unit 52 is connect with target pixel region determination unit 51, described for covering the target picture in finger
When plain region, the optical signal that fingerprint Identification sensor corresponding with the target pixel region receives is detected；
Amending unit 53 is connect with the detection unit 52, for being modified to the optical signal, is obtained revised
Optical signal；And
Fingerprint identification unit 54 is connect with the amending unit 53, for being referred to according to the revised optical signal
Line identification.
Fingerprint identification device described in the embodiment of the present invention by referring to accordingly in finger coverage goal pixel region
The optical signal that line identification sensor receives is modified, and to reduce influence of the stray light to the precision of fingerprint recognition, is not being related to
And under the premise of complex optical path and technique, fingerprint recognition precision is effectively improved, optimizes fingerprint recognition effect.
According to a kind of specific embodiment, the amending unit may include:
Module is obtained, for obtaining pre-stored standard fingerprint image；
Reference finger image obtains module, for controlling the target picture when finger covers the target pixel region
Sub-pix in plain region all shines, and detects what each fingerprint Identification sensor corresponding with the target pixel region received
Optical signal confirms that the optical signal is benchmark optical signal, and obtains reference finger image according to the baseline optical signal；
Correction module, for obtaining module in the reference finger image when finger covers the target pixel region
After having obtained the reference finger image, all sub-pixes in the target pixel region are successively closed, in the target
When each sub-pix in pixel region is closed, each fingerprint Identification sensor corresponding with the target pixel region is detected
The actual optical signal received, and actual fingerprint image is obtained according to the actual optical signal；When the actual fingerprint image ratio
When the reference finger image is closer to the standard fingerprint image, controls the sub-pix and shine, when the actual fingerprint image
When unlike the reference finger image closer to the standard fingerprint image, sub-pix holding in this fingerprint recognition is controlled
Closed state；And
Determining module, for successively closing institute in the correction module when finger covers the target pixel region
After stating all sub-pixes in target pixel region, detects fingerprint Identification sensor corresponding with the target pixel region and connect
The optical signal received determines that the optical signal is revised optical signal.
In fingerprint recognition, finger coverage goal pixel region, fingerprint Identification sensor receives optical signalling, successively closes
The sub-pix in the target pixel region is closed, when closing sub-pix (namely the control sub-pix does not shine),
It checks fingerprint recognition effect, if fingerprint recognition effect enhances, confirms and close the sub-pix, be then shut off next sub-pix；If
Fingerprint recognition effect is non-reinforced, then controls the sub-pix and shine, close next sub-pix, carry out compliance test result with this, until will
Sub-pix inspection in the target pixel region finishes, and is closed by method as above to the biggish sub-pix of stray light is generated
It closes, to achieve the purpose that promote fingerprint recognition effect.
According to another specific embodiment, the amending unit may include:
Base light signal acquisition module is received for obtaining fingerprint Identification sensor corresponding with the target pixel region
The basic optical signal arrived；
Actual optical signal detection module, for controlling the object pixel when finger covers the target pixel region
Predetermined color sub-pix in region shines, other color sub-pixes controlled in the target pixel region are closed, detection with
The actual optical signal that the corresponding fingerprint Identification sensor in the target pixel region receives；And
Optical signal correction module, it is described revised for being obtained according to the actual optical signal with the basic optical signal
Optical signal.
When carrying out fingerprint recognition, the object pixel area can be controlled when finger covers the target pixel region
Predetermined color sub-pix in domain shines, and (namely the sub-pix in the target pixel region only carries out the hair of a certain specific light
Penetrate, which can be the light with solid color, for example, the specific light can be feux rouges, green light, blue light or white light),
And the actual optical signal that fingerprint Identification sensor corresponding with the target pixel region receives is detected, and believe from the practical light
The basic optical signal is removed in number, to obtain the revised optical signal, to promote the precision of fingerprint recognition.
Specifically, fingerprint identification device described in the embodiment of the present invention can also include:
Basic optical signal determination unit, for controlling the target picture when finger does not cover the target pixel region
Predetermined color sub-pix in plain region shines, other color sub-pixes controlled in the target pixel region are closed, detection
The optical signal that fingerprint Identification sensor corresponding with the target pixel region receives determines that the optical signal is the base light
Signal.
Specifically, the optical signal correction module is used to determine that the intensity of the revised optical signal to be equal to the reality
Difference between the intensity of optical signal and the intensity of the basic optical signal.
Display module described in the embodiment of the present invention includes above-mentioned fingerprint identification device.
Display module provided by the embodiment of the present invention can be mobile phone, tablet computer, television set, display, notebook
Any products or components having a display function such as computer, Digital Frame, navigator.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, it can also make several improvements and retouch, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (11)
1. a kind of fingerprint identification method, it is applied to display module, the display module includes array substrate and is located at the battle array
The multiple lines and multiple rows fingerprint Identification sensor for corresponding to display area setting on column substrate, the fingerprint Identification sensor is for connecing
Receive optical signal；It is characterized in that, the fingerprint identification method include: when carrying out fingerprint recognition,
Determine the target pixel region of finger covering；
When finger covers the target pixel region, detects fingerprint Identification sensor corresponding with the target pixel region and connect
The optical signal received；
The optical signal is modified, revised optical signal is obtained；
Fingerprint recognition is carried out according to the revised optical signal.
2. fingerprint identification method as described in claim 1, which is characterized in that it is described that the optical signal is modified, it obtains
Revised optical signal step include: finger cover the target pixel region when,
Obtain pre-stored standard fingerprint image；
The sub-pix controlled in the target pixel region all shines, and detects each fingerprint corresponding with the target pixel region
The optical signal that identification sensor receives determines that the optical signal is benchmark optical signal, and obtains benchmark according to the baseline optical signal
Fingerprint image；
All sub-pixes in the target pixel region are successively closed, each sub-pix quilt in the target pixel region
When closing, the actual optical signal that each fingerprint Identification sensor corresponding with the target pixel region receives, and root are detected
Actual fingerprint image is obtained according to the actual optical signal；When the actual fingerprint image than the reference finger image closer to institute
When stating standard fingerprint image, controls the sub-pix and shine, when the actual fingerprint image more connects unlike the reference finger image
When the nearly standard fingerprint image, controls the sub-pix and remained off in this fingerprint recognition；
The optical signal that fingerprint Identification sensor corresponding with the target pixel region receives is detected, determines that the optical signal is to repair
Optical signal after just.
3. fingerprint identification method as described in claim 1, which is characterized in that it is described to be modified to the optical signal, it obtains
Include: to revised optical signal step
Obtain the basic optical signal that fingerprint Identification sensor corresponding with the target pixel region receives；
When finger covers the target pixel region, the predetermined color sub-pix controlled in the target pixel region shines,
Other color sub-pixes controlled in the target pixel region are closed, and are detected fingerprint corresponding with the target pixel region and are known
The actual optical signal that individual sensor receives；
The revised optical signal is obtained according to the actual optical signal and the basic optical signal.
4. fingerprint identification method as claimed in claim 3, which is characterized in that in the acquisition and the target pixel region pair
It is described to be modified to the optical signal before the base light signals step that the fingerprint Identification sensor answered receives, it obtains
Revised optical signal step further include:
When finger does not cover the target pixel region, the predetermined color sub-pix hair in the target pixel region is controlled
Light, other color sub-pixes controlled in the target pixel region are closed, and finger corresponding with the target pixel region is detected
The optical signal that line identification sensor receives determines that the optical signal is the basic optical signal.
5. fingerprint identification method as claimed in claim 3, which is characterized in that described according to the actual optical signal and the base
Plinth optical signal obtains the revised optical signal step
Determine the revised optical signal intensity be equal to the actual optical signal intensity and it is described basis optical signal it is strong
Difference between degree.
6. a kind of fingerprint identification device, it is applied to display module, the display module includes array substrate and is located at the battle array
The multiple lines and multiple rows fingerprint Identification sensor for corresponding to display area setting on column substrate, the fingerprint Identification sensor is for connecing
Receive optical signal；It is characterized in that, the fingerprint identification device includes:
Target pixel region determination unit, for determining the target pixel region of finger covering when carrying out fingerprint recognition；
Detection unit, for the detection fingerprint corresponding with the target pixel region when finger covers the target pixel region
The optical signal that identification sensor receives；
Amending unit obtains revised optical signal for being modified to the optical signal；And
Fingerprint identification unit, for carrying out fingerprint recognition according to the revised optical signal.
7. fingerprint identification device as claimed in claim 6, which is characterized in that the amending unit includes:
Module is obtained, for obtaining pre-stored standard fingerprint image；
Reference finger image obtains module, for controlling the object pixel area when finger covers the target pixel region
Sub-pix in domain all shines, and detects the light letter that each fingerprint Identification sensor corresponding with the target pixel region receives
Number, determine that the optical signal is benchmark optical signal, and reference finger image is obtained according to the baseline optical signal；
Correction module, for obtaining module in the reference finger image and obtaining when finger covers the target pixel region
After the reference finger image, all sub-pixes in the target pixel region are successively closed, in the object pixel
When each sub-pix in region is closed, detects each fingerprint Identification sensor corresponding with the target pixel region and receive
The actual optical signal arrived, and actual fingerprint image is obtained according to the actual optical signal；Described in the actual fingerprint image ratio
When reference finger image is closer to the standard fingerprint image, controls the sub-pix and shine, when the actual fingerprint image unlike
When the reference finger image is closer to the standard fingerprint image, controls the sub-pix and remained turned-off in this fingerprint recognition
State；And
Determining module, for successively closing the mesh in the correction module when finger covers the target pixel region
After marking all sub-pixes in pixel region, detects fingerprint Identification sensor corresponding with the target pixel region and receive
Optical signal, determine the optical signal be revised optical signal.
8. fingerprint identification device as claimed in claim 6, the amending unit include:
Base light signal acquisition module is received for obtaining fingerprint Identification sensor corresponding with the target pixel region
Basic optical signal；
Actual optical signal detection module, for controlling the target pixel region when finger covers the target pixel region
Interior predetermined color sub-pix shines, other color sub-pixes controlled in the target pixel region are closed, detection with it is described
The actual optical signal that the corresponding fingerprint Identification sensor in target pixel region receives；And
Optical signal correction module is believed for obtaining the revised light according to the actual optical signal and the basic optical signal
Number.
9. fingerprint identification device as claimed in claim 8, which is characterized in that further include:
Basic optical signal determination unit, for when finger does not cover the target pixel region, controlling the object pixel area
Predetermined color sub-pix in domain shines, other color sub-pixes controlled in the target pixel region are closed, detection and institute
The optical signal that the corresponding fingerprint Identification sensor in target pixel region receives is stated, determines the optical signal for base light letter
Number.
10. fingerprint identification device as claimed in claim 8, which is characterized in that the optical signal correction module is for determining institute
The intensity of revised optical signal is stated equal to the difference between the intensity of the actual optical signal and the intensity of the basic optical signal
Value.
11. a kind of display module, which is characterized in that know including the fingerprint as described in any claim in claim 6 to 10
Other device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811257481.9A CN109359459B (en) | 2018-10-26 | 2018-10-26 | Fingerprint identification method, fingerprint identification device and display module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811257481.9A CN109359459B (en) | 2018-10-26 | 2018-10-26 | Fingerprint identification method, fingerprint identification device and display module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109359459A true CN109359459A (en) | 2019-02-19 |
| CN109359459B CN109359459B (en) | 2021-01-26 |
Family
ID=65346971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811257481.9A Active CN109359459B (en) | 2018-10-26 | 2018-10-26 | Fingerprint identification method, fingerprint identification device and display module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109359459B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110278299A (en) * | 2019-06-24 | 2019-09-24 | Oppo广东移动通信有限公司 | Display device, electronic equipment and image acquiring method |
| CN110286716A (en) * | 2019-06-24 | 2019-09-27 | Oppo广东移动通信有限公司 | Display device, electronic equipment and image acquiring method |
| CN110286717A (en) * | 2019-06-24 | 2019-09-27 | Oppo广东移动通信有限公司 | Display device, electronic equipment and image acquiring method |
| CN110427910A (en) * | 2019-08-09 | 2019-11-08 | Oppo广东移动通信有限公司 | The control method of electronic equipment and electronic equipment |
| CN112232213A (en) * | 2020-01-21 | 2021-01-15 | 神盾股份有限公司 | Method and system for identifying and preventing counterfeit of fingerprint under screen |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105389148A (en) * | 2015-11-02 | 2016-03-09 | 京东方科技集团股份有限公司 | Data transmitting method, data receiving method, and related device and system |
| CN106295527A (en) * | 2016-07-29 | 2017-01-04 | 京东方科技集团股份有限公司 | A kind of array base palte, display floater, display device and method of work |
| CN106598327A (en) * | 2016-11-30 | 2017-04-26 | 京东方科技集团股份有限公司 | Touch display driving unit circuit, driving method, circuit and display device |
| CN106778485A (en) * | 2016-11-16 | 2017-05-31 | 京东方科技集团股份有限公司 | Fingerprint recognition module, device, driving method and display device |
| CN207302091U (en) * | 2017-10-31 | 2018-05-01 | 京东方科技集团股份有限公司 | A kind of fingerprint recognition display device and display |
-
2018
- 2018-10-26 CN CN201811257481.9A patent/CN109359459B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105389148A (en) * | 2015-11-02 | 2016-03-09 | 京东方科技集团股份有限公司 | Data transmitting method, data receiving method, and related device and system |
| CN106295527A (en) * | 2016-07-29 | 2017-01-04 | 京东方科技集团股份有限公司 | A kind of array base palte, display floater, display device and method of work |
| CN106778485A (en) * | 2016-11-16 | 2017-05-31 | 京东方科技集团股份有限公司 | Fingerprint recognition module, device, driving method and display device |
| CN106598327A (en) * | 2016-11-30 | 2017-04-26 | 京东方科技集团股份有限公司 | Touch display driving unit circuit, driving method, circuit and display device |
| US20180151122A1 (en) * | 2016-11-30 | 2018-05-31 | Boe Technology Group Co., Ltd. | Display driving unit circuit, driving method, display driving circuit and display device |
| CN207302091U (en) * | 2017-10-31 | 2018-05-01 | 京东方科技集团股份有限公司 | A kind of fingerprint recognition display device and display |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110278299A (en) * | 2019-06-24 | 2019-09-24 | Oppo广东移动通信有限公司 | Display device, electronic equipment and image acquiring method |
| CN110286716A (en) * | 2019-06-24 | 2019-09-27 | Oppo广东移动通信有限公司 | Display device, electronic equipment and image acquiring method |
| CN110286717A (en) * | 2019-06-24 | 2019-09-27 | Oppo广东移动通信有限公司 | Display device, electronic equipment and image acquiring method |
| US11119347B2 (en) | 2019-06-24 | 2021-09-14 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Display device, electronic apparatus, and image acquisition method |
| CN110427910A (en) * | 2019-08-09 | 2019-11-08 | Oppo广东移动通信有限公司 | The control method of electronic equipment and electronic equipment |
| CN110427910B (en) * | 2019-08-09 | 2022-04-05 | Oppo广东移动通信有限公司 | Electronic device and control method of electronic device |
| CN112232213A (en) * | 2020-01-21 | 2021-01-15 | 神盾股份有限公司 | Method and system for identifying and preventing counterfeit of fingerprint under screen |
| CN112232213B (en) * | 2020-01-21 | 2024-02-27 | 神盾股份有限公司 | Under-screen fingerprint identification anti-counterfeiting method and system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109359459B (en) | 2021-01-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109359459A (en) | Fingerprint identification method, fingerprint identification device and display module | |
| CN107957294B (en) | Ambient light intensity detection method and device, storage medium and electronic equipment | |
| CN110647862B (en) | Fingerprint detection device and method and electronic equipment | |
| CN107945769B (en) | Ambient light intensity detection method and device, storage medium and electronic equipment | |
| CN104836968B (en) | Information processing method and electronic equipment | |
| US10665142B2 (en) | Screen calibration method and screen calibration system capable of correcting full screen color tones automatically | |
| US11410412B2 (en) | Anti-counterfeiting method and system for under-screen fingerprint identification | |
| EP1621980A2 (en) | Input sensor containing display device and method for driving the same | |
| WO2023045884A1 (en) | Screen light detection model training method, ambient light detection method, and apparatus | |
| CN109657606B (en) | Correction method of optical fingerprint sensor module | |
| KR101169276B1 (en) | A projector and A method of image revision | |
| CN110012242B (en) | Electronic device and control method thereof | |
| WO2021147228A1 (en) | Image scanning device and image scanning method | |
| CN112446271A (en) | Biometric optical anti-spoofing | |
| CN112672069A (en) | Exposure method and apparatus | |
| US20200293136A1 (en) | Touch sensitive apparatus | |
| CN112528888A (en) | Optical fingerprint acquisition method and device, electronic equipment and storage medium | |
| JP2007011228A (en) | Flat display device | |
| KR20160015180A (en) | Display system and method of managing color consistency | |
| CN109691069A (en) | Shield lower Systems for optical inspection, electronic equipment and object proximity detection method | |
| CN112513871A (en) | Calibration method and device for optical fingerprint identification and electronic equipment | |
| CN117337577A (en) | Lighting adjustment device, lighting adjustment method, and commodity identification system | |
| CN101178422B (en) | Character type illuminating device detecting method | |
| RU2772932C2 (en) | Method for determination of ambient light intensity, storage medium and electronic device | |
| CN111816116B (en) | Display parameter acquisition method, display control parameter determination method, display parameter acquisition device, display control parameter determination device and storage medium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |