CN107278286B - Determine the method and apparatus of the position of fingerprint prompt pattern in display screen - Google Patents
Determine the method and apparatus of the position of fingerprint prompt pattern in display screen Download PDFInfo
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- CN107278286B CN107278286B CN201780000369.4A CN201780000369A CN107278286B CN 107278286 B CN107278286 B CN 107278286B CN 201780000369 A CN201780000369 A CN 201780000369A CN 107278286 B CN107278286 B CN 107278286B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0481—Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
- G06F3/04812—Interaction techniques based on cursor appearance or behaviour, e.g. being affected by the presence of displayed objects
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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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Abstract
The application provides a kind of method and apparatus of the position of fingerprint prompt pattern in determining display screen, this method is applied to the electronic equipment including the display screen and fingerprint sensor, the image acquisition region of the fingerprint sensor is located at at least partly display area of the display screen, the described method includes: showing grid image in the display screen, region where the grid image at least covers described image pickup area, the grid image includes multiple coordinate units, the coordinate unit has coordinate information, the coordinate information is used to indicate the coordinate unit in the position of the display screen；The acquisition image of the fingerprint sensor is obtained, the acquisition image includes at least a complete coordinate unit of the grid image；Coordinate information possessed by the coordinate unit for including according to the acquisition image determines the position of fingerprint prompt pattern in the display screen.Therefore, scheme provided by the present application can effectively improve the positioning accuracy of fingerprint prompt pattern.
Description
Technical field
This application involves fingerprint sensor fields, and more particularly, to fingerprint prompt figure in a kind of determining display screen
The method and apparatus of the position of case.
Background technique
In current techniques, fingerprint identification function is the standard configuration of smart phone.Traditional scheme be by independent community's key or
Virtual key carries out the design of fingerprint recognition key, for example, before fingerprint recognition mould group is integrated in mobile phone by some smart phones
It sets in Home key, using Home key as fingerprint recognition key.It include fingerprint sensor in the fingerprint recognition mould group.
When more and more cell phone manufacturers start to reduce smart phone size using the design of ultra-narrow frame, intelligence
Fingerprint recognition key can be placed without sufficient space below the display screen of mobile phone, for this problem, refer in display screen
Line identification technology is proposed out.In display screen fingerprint identification technology refer to fingerprint identification function is completely integrated into it is aobvious
In display screen, user, which can directly touch in the display screen of intelligent terminal, specifies region to realize fingerprint recognition.Fingerprint is known in display screen
Other technology can satisfy the design requirement of the ultra-narrow frame of current phone manufacturer proposition, and enable to the design of smart phone
Become more succinct, therefore, fingerprint identification technology is applied in intelligent terminal in display screen, will be following development trend.
In display screen in fingerprint identification technology, fingerprint recognition mould group is assemblied in the back side of display screen, knows using fingerprint
When other mould group carries out fingerprint recognition, need to show that fingerprint prompts pattern on the specific position of display screen, in order to which user is at this
Fingerprint is inputted on specific position.In the above process, which determined according to the rigging position of fingerprint identification module, is led to
Often it is fixed and invariable.But due to assembly technology is inaccurate or design modification, it may cause the fingerprint of different batches
Identify that the rigging position of mould group is not quite identical.Under this situation, if still in changeless certain bits of display screen
Display fingerprint prompt pattern is set, it is possible that leading to fingerprint recognition mould the problem of the position inaccurate of fingerprint prompt pattern
Group can collected effective fingerprint area tail off, reduce the efficiency of fingerprint recognition, influence user experience.
Currently, there is no the solution of the position inaccurate for fingerprint prompt pattern.
Summary of the invention
The application provides a kind of method and apparatus of the position of fingerprint prompt pattern in determining display screen, can effectively improve
The positioning accuracy of fingerprint prompt pattern.
First aspect provides a kind of method of the position of fingerprint prompt pattern in determining display screen, is applied to include described aobvious
The image acquisition region of the electronic equipment of display screen and fingerprint sensor, the fingerprint sensor is located at the display screen at least
Part display area, which comprises show grid image in the display screen, the region where the grid image is at least
Described image pickup area is covered, the grid image includes multiple coordinate units, and the coordinate unit has coordinate information, institute
It states coordinate information and is used to indicate the coordinate unit in the position of the display screen；Obtain the acquisition figure of the fingerprint sensor
Picture, the acquisition image include at least a complete coordinate unit of the grid image；Include according to the acquisition image
Coordinate unit possessed by coordinate information, determine the position of the prompt pattern of fingerprint in the display screen.
It should be understood that the coordinate information instruction having in the coordinate unit is seat of the coordinate unit in display screen
Mark, i.e., the coordinate information in coordinate unit illustrates position of the coordinate unit in display screen.
Therefore, in scheme provided by the present application, by showing the grid image with coordinate information on a display screen, make
Obtaining in the acquisition image of fingerprint sensor includes coordinate information, determines display screen according to the coordinate information for including in the acquisition image
The position of interior fingerprint prompt pattern.Position and the fingerprint sensor of pattern are prompted by the fingerprint that scheme provided by the present application obtains
Rigging position it is almost the same, in other words, the application determine fingerprint prompt pattern positioning accuracy it is higher, user is at this
Fingerprint is inputted on the position of fingerprint prompt pattern, enables to fingerprint sensor to obtain biggish effective fingerprint area, raising refers to
The efficiency of line identification.
With reference to first aspect, in a kind of possible implementation of first aspect, the fingerprint sensor is arranged in institute
The back side of display screen is stated, and the image acquisition region of the fingerprint sensor is less than the part viewing area for only covering the display screen
Domain.
Optionally, as a kind of optional implementation, the fingerprint sensor may also be integrated in inside the display screen.
Optionally, as another optional implementation, the shape of the coordinate unit in the grid image includes but not
It is limited to: rectangle, diamond shape, pentagon or hexagon；Accordingly, the distribution mode packet of each coordinate unit in the grid image
It includes but is not limited to: rectangle, diamond shape, pentagon or hexagon.
With reference to first aspect, in a kind of possible implementation of first aspect, the grid image is location matrix
Image, and the location matrix image includes multiple coordinate units in matrix distribution, each coordinate unit is rectangular element.
Therefore, in scheme provided by the present application, by showing the position histogram with coordinate information on a display screen
Picture determines so that including coordinate information in the acquisition image of fingerprint sensor according to the coordinate information for including in the acquisition image
The position of fingerprint prompt pattern in display screen.Position and the fingerprint of pattern are prompted by the fingerprint that scheme provided by the present application obtains
The rigging position of sensor is almost the same, and in other words, the positioning accuracy for the fingerprint prompt pattern that the application determines is higher, uses
Family inputs fingerprint on the position of fingerprint prompt pattern, and fingerprint sensor is enabled to obtain biggish effective fingerprint area,
Improve the efficiency of fingerprint recognition.
With reference to first aspect, in a kind of possible implementation of first aspect, the long side of the rectangular element with it is short
Direction where respectively with described image pickup area first while, also, the square parallel with the direction where the second side
The long side of shape unit be less than or equal to described image pickup area the first side half, the short side of the rectangular element be less than or
Equal to the half on the second side of described image pickup area.
In this implementation, relationship between the size of the rectangular element and the size of described image pickup area,
It ensure that in acquisition image and include at least a complete rectangular element.
With reference to first aspect, described according to the acquisition image packet in a kind of possible implementation of first aspect
Coordinate information possessed by the coordinate unit included determines the position of fingerprint prompt pattern in the display screen, comprising: according to described
Coordinate information possessed by the complete rectangular element that acquisition image includes determines the central point of the acquisition image described aobvious
Coordinate in display screen；Coordinate of the central point of the acquisition image in the display screen is determined as the fingerprint prompt pattern
Centre coordinate.
The centre coordinate of the fingerprint prompt pattern refers to the central point of the fingerprint prompt pattern in the display screen
Interior coordinate.
Specifically, the central point of image can be the geometric center point of image.
Optionally, as another implementation, will directly be had in the rectangular element for completely including in the acquisition image
Coordinate corresponding to some coordinate informations is determined as the centre coordinate of fingerprint prompt pattern.
With reference to first aspect, in a kind of possible implementation of first aspect, the acquisition image is also included at least
One rectangular cross point of the location matrix image, the rectangular cross point indicate in the location matrix image adjacent four
Crosspoint common to rectangular element；Wherein, possessed by the complete rectangular element for including according to the acquisition image
Coordinate information determines coordinate of the central point of the acquisition image in the display screen, comprising: calculate the acquisition image
The distance between the rectangular cross point that central point and the acquisition image include；Schemed according to the distance and the acquisition
The coordinate information as possessed by the complete rectangular element for including calculates the central point of the acquisition image in the display screen
Coordinate.
Specifically, firstly, under the coordinate system of the acquisition image, the central point for calculating the acquisition image is adopted with described
The distance between the rectangular cross point for including in collection image.Then, the complete rectangle for including according to the acquisition image
Possessed coordinate information in unit can be inferred that coordinate of the rectangular cross point in the display screen.Finally, according to
Coordinate of the rectangular cross point in the display screen, and the rectangular cross point and the acquisition image that are calculated
The distance between central point, coordinate of the central point of the acquisition image in the display screen is calculated.
In this application, the coordinate by having in the complete rectangular element that includes in the acquisition image of fingerprint sensor
Information determines then the centre coordinate of the acquisition image of fingerprint sensor determines fingerprint according to the centre coordinate of the acquisition image
The centre coordinate for prompting pattern can further increase the positioning accuracy of fingerprint prompt pattern.
With reference to first aspect, in a kind of possible implementation of first aspect, the method also includes: according to described
Fingerprint prompts the position of pattern, shows the fingerprint prompt pattern, on the display screen to indicate that user mentions in the fingerprint
Region where diagram case inputs fingerprint.
Second aspect provides a kind of device of the position of fingerprint prompt pattern in determining display screen, for executing above-mentioned first
Method in any possible implementation of aspect or first aspect.
Specifically, which includes for executing in any possible implementation of above-mentioned first aspect or first aspect
Method unit.
The third aspect provides another device for determining the position of fingerprint prompt pattern in display screen, comprising: memory and
Processor, for storing instruction, which is used to execute the instruction of memory storage to the memory, and works as the processor
When executing the instruction of memory storage, the execution is so that the processor executes any possible of first aspect or first aspect
Method in implementation.
Fourth aspect provides a kind of computer-readable medium, and for storing computer program, which includes using
The instruction of method in any possible implementation for executing first aspect or first aspect.
5th aspect provides a kind of electronic equipment, fingerprint prompt figure in the determination display screen provided including above-mentioned second aspect
The device of the position of case.
In conjunction with the 5th aspect, in a kind of possible implementation of the 5th aspect, the display screen is organic light emission two
Pole pipe OLED display screen, the fingerprint sensor are optical fingerprint sensor, wherein described in the optical fingerprint sensor utilizes
At least partly OLED pixel unit of OLED display screen executes optical finger print detection function as light source.
In conclusion in scheme provided by the present application, by showing the position square with coordinate information on a display screen
Shape image, so that including coordinate information in the acquisition image of fingerprint sensor, according to the coordinate information for including in the acquisition image
Determine the position of fingerprint prompt pattern in display screen.The fingerprint obtained by scheme provided by the present application prompt the position of pattern with
The rigging position of fingerprint sensor is almost the same, in other words, the application determine fingerprint prompt pattern positioning accuracy compared with
Height, user input fingerprint on the position of fingerprint prompt pattern, fingerprint sensor are enabled to obtain biggish effective fingerprint
Area improves the efficiency of fingerprint recognition.
Detailed description of the invention
Fig. 1 is the side, sectional view of the electronic equipment in the embodiment of the present invention.
Fig. 2 is the schematic stream of the method for the position that fingerprint prompts pattern in determining display screen provided in an embodiment of the present invention
Cheng Tu.
Fig. 3 is the schematic diagram of the method for the position that fingerprint prompts pattern in determining display screen provided in an embodiment of the present invention.
Fig. 4 (a) and Fig. 4 (b) is the schematic diagram of the acquisition image of the fingerprint sensor in the embodiment of the present invention.
Fig. 5 is to show that fingerprint prompts the schematic diagram of pattern in the embodiment of the present invention on a display screen.
Fig. 6 is another signal of the method for the position that fingerprint prompts pattern in determining display screen provided in an embodiment of the present invention
Figure.
Fig. 7 is the schematic frame of the device for the position that fingerprint prompts pattern in determining display screen provided in an embodiment of the present invention
Figure.
Fig. 8 is another signal of the device for the position that fingerprint prompts pattern in determining display screen provided in an embodiment of the present invention
Property block diagram.
Specific embodiment
Below in conjunction with attached drawing, the technical solution in the application is described.
Electronic equipment involved in the embodiment of the present invention.The electronic equipment refers to that the intelligence for having fingerprint identification function is set
It is standby.For example, the electronic equipment is that other intelligence for having fingerprint identification function such as smart phone, tablet computer or notebook are set
It is standby.
Fingerprint sensor involved in the embodiment of the present invention.The fingerprint sensor can be for using optics, capacitor or ultrasonic wave
The fingerprint collecting sensor of formula.
Fig. 1 is the side, sectional view of the electronic equipment 10 of the embodiment of the present invention, specifically.The electronic equipment 10 includes aobvious
The fingerprint sensor 12 of display screen 11 and the back side for being assemblied in display screen 11.The image acquisition region 13 of fingerprint sensor 12 (refers to
Line pickup area) it is located in display screen 11.It should be understood that user can directly in touch display screen 11 specific region, i.e. image
Pickup area 13, so that it may carry out fingerprint recognition.In practical application, show that fingerprint prompts pattern, on display screen 11 with instruction
User inputs fingerprint in suitable region.
In practical application, it is possible that following problems: position and fingerprint in display screen where fingerprint prompt pattern pass
The rigging position of sensor has deviation, i.e., the position inaccurate of the fingerprint prompt pattern in display screen causes fingerprint sensor to acquire
The effective fingerprint area arrived is less, reduces the efficiency of fingerprint recognition, influences user experience.
In order to solve the above-mentioned technical problem, the application proposes a kind of side of the position of fingerprint prompt pattern in determining display screen
Method and device.
Fig. 2 is the schematic of the method 20 for the position that fingerprint prompts pattern in determining display screen provided in an embodiment of the present invention
Flow chart, this method 20 are applied to electronic equipment, which includes display screen and fingerprint sensor, the fingerprint sensor
Image acquisition region is located at at least partly display area of the display screen.For example, the electronic equipment is electronic equipment shown in FIG. 1
10, i.e. the fingerprint sensor back side that display screen is arranged in, the embodiment of the present invention is not construed as limiting this, such as the following fingerprint sensor
It may also be arranged in inside display screen.For example, this method 20 can be executed by the processor in electronic equipment.As shown in Fig. 2, should
Method 20 includes the following steps.
21, grid image is shown in the display screen, the region where the grid image at least covers the image acquisition region,
The grid image includes multiple coordinate units, which has coordinate information, which is used to indicate the coordinate list
Member is in the position of the display screen.
It should be understood that the region of the display screen display grid image can cover the image acquisition region of fingerprint sensor.
Specifically, such as on whole display areas of display screen the grid image is shown.Alternatively, knowing the figure of fingerprint sensor in advance
It, then can be in the lower half subregion of display screen as pickup area is located at the lower half portion (for top half) of display screen
The grid image is shown on domain.
There is coordinate information, coordinate information instruction is respective coordinates in each coordinate unit in the grid image
The coordinate information shown in coordinate of the unit in display screen, i.e. coordinate unit illustrates position of the coordinate unit in display screen
It sets.
It should be noted that the coordinate list for including in grid image display area on a display screen, the grid image
The specification (shape, size and quantity) of member and the coordinate information in each coordinate unit can be systemic presupposition, can also be with
It is interim customized.In other words, the coordinate information and the coordinate unit having in coordinate unit in grid image are on a display screen
Position between corresponding relationship can be systemic presupposition, can also be interim customized.In short, getting a coordinate list
Coordinate information in member, so that it may be inferred to the position of the coordinate unit on a display screen.
22, the acquisition image of the fingerprint sensor is obtained, which includes at least one of the grid image completely
Coordinate unit.
It should be noted that the relationship of the size of the coordinate unit in the size and grid image of image acquisition region, energy
Enough guarantee to include at least a true coordinates unit in the grid image in the acquisition image of fingerprint sensor acquisition.
23, coordinate information possessed by the coordinate unit for including according to the acquisition image determines that fingerprint mentions in the display screen
The position of diagram case.
Specifically, in the display screen indicated by the fingerprint prompt pattern 35 as shown in Figure 3 of the position of fingerprint prompt pattern
Position.
It should be understood that the electronic equipment is in use, the position of pattern can be prompted according to the fingerprint in the display screen,
Pattern is prompted in the display screen display fingerprint, to indicate that user is based on fingerprint prompt pattern input fingerprint.
It should also be understood that necessarily passing fingerprint if user inputs fingerprint in the image acquisition region of fingerprint sensor
Sensor utmostly obtains effective fingerprint area.Therefore, the accurate location of fingerprint prompt pattern should be that fingerprint passes in display screen
The image acquisition region of sensor is located at the position in display screen, situation as shown in Figure 5.
The acquisition image is that fingerprint sensor is acquired in the image acquisition region, then the coordinate for including in the acquisition image
Unit is located in the image acquisition region.Because possessed coordinate information indicates the coordinate unit aobvious in the coordinate unit
Position in display screen, thus the coordinate information in the coordinate unit can also indicate position of the image acquisition region in display screen
It sets.In embodiments of the present invention, according to possessed coordinate information in the coordinate unit for including in the acquisition image, determine that this is aobvious
The position of fingerprint prompt pattern in display screen, so as to improve the accuracy that the fingerprint prompts the position of pattern.
Therefore, pass through in the method for the position of fingerprint prompt pattern in determining display screen provided in an embodiment of the present invention
Display has the grid image of coordinate information on a display screen, so that include coordinate information in the acquisition image of fingerprint sensor,
The position of fingerprint prompt pattern in display screen is determined according to the coordinate information for including in the acquisition image.By provided by the present application
The position for the fingerprint prompt pattern that scheme obtains and the rigging position of fingerprint sensor are almost the same, and in other words, the application is true
The positioning accuracy of fixed fingerprint prompt pattern is higher, and user inputs fingerprint on the position of fingerprint prompt pattern, can make
It obtains fingerprint sensor and obtains biggish effective fingerprint area, improve the efficiency of fingerprint recognition.
It should also be understood that can not show grid image on a display screen when showing that the fingerprint prompts pattern to user.Such as figure
It shown in 5, shows that fingerprint prompts pattern 35 on display screen 31, and does not show grid image.
It should also be understood that Fig. 3 and Fig. 5 is merely illustrative and non-limiting, although the fingerprint indicates that pattern is circle in Fig. 3 and Fig. 5
Shape, but in practical application, which indicates that pattern can use the figure such as any other feasible pattern, such as heart-shaped or star
Case.
Optionally, the size of fingerprint prompt pattern can be consistent with the size of the image acquisition region of fingerprint sensor,
Or the size less than the image acquisition region.
Optionally, as an alternative embodiment, the shape of the coordinate unit in the grid image includes but is not limited to: square
Shape, diamond shape, pentagon or hexagon；Accordingly, the distribution mode of each coordinate unit in the grid image includes but unlimited
It schedules: rectangle, diamond shape, pentagon or hexagon.
Specifically, when the shape of the coordinate unit is rectangle, accordingly, each coordinate unit is in square in the grid image
Shape distribution；When the shape of the coordinate unit is diamond shape, accordingly, each coordinate unit assumes diamond in shape distribution in the grid image；
When the shape of the coordinate unit is pentagon, accordingly, each coordinate unit is distributed in pentagon in the grid image；When this
When the shape of coordinate unit is pentagon, accordingly, each coordinate unit is distributed in pentagon in the grid image.
For the ease of drawing and describing, below in conjunction in the embodiment of Fig. 3 to Fig. 6 using the shape of coordinate unit as rectangle
For be described.
Specifically, herein, the coordinate unit that shape is rectangle is known as rectangular element, will will include multiple in matrix point
The grid image of the rectangular element of cloth is known as location matrix image.
Optionally, as an alternative embodiment, which is location matrix image, and the location matrix image packet
Multiple coordinate units in matrix distribution are included, each coordinate unit is rectangular element.
Specifically, as shown in figure 3, display position rectangular image 32, position rectangular image 32 include more on display screen 31
A rectangular element in distributed rectangular.The long side of rectangular element and direction where short side respectively with image acquisition region 33
It is parallel with the direction where the second side on one side, also, the long side of rectangular element is less than or equal to the first of image acquisition region 33
The half on side, the short side of rectangular element are less than or equal to the half on the second side of image acquisition region 33.
It should be understood that the long side of rectangular element and short side refer to the mutually perpendicular both sides of the rectangular element.
It should also be understood that after fingerprint sensor is assembled in electronic equipment, the Image Acquisition of fingerprint sensor on a display screen
The size (i.e. first length while with second) in region is determining.For example, in Fig. 3 example, the image acquisition region
The length on 33 the first side is L, and the length on the second side is W.The long side of rectangular element is less than or equal to the image acquisition region
The half (L/2) on the first side, the short side of rectangular element are less than or equal to the half (W/2) on the second side of the image acquisition region.
Preferably, in grid image rectangular element long side be equal to the image acquisition region the first side half, rectangle
The short side of unit is equal to the half on the second side of the image acquisition region.
Specifically, as shown in figure 3, the length of the long side of rectangular element is L/2 in grid image 32, the length of short side is W/
2。
It should be understood that in the present embodiment, the size of the size and image acquisition region of rectangular element in the rectangular image of position
Between relationship, ensure that the acquisition image of fingerprint sensor at least may include a complete rectangular unit.
It should also be understood that Fig. 3 is merely illustrative and non-limiting.In practical application, the length of the rectangular element in the rectangular image of position
The half of half and the second side when the first of image acquisition region can be respectively smaller than with the length of short side.
As shown in figure 3, position rectangular image 32 include 10 rows 7 column 70 rectangular elements, the 1st column in rectangular element in
The coordinate information of record is respectively 101,102 ..., and 110；The coordinate information of record is respectively in rectangular element in 2nd column
201,201 .., 210；... the coordinate information recorded in the rectangular element in the 7th column is respectively 701,702 ..., and 710.For example,
If the coordinate information recorded in a rectangular element is 101, it is found that the rectangular element is in the position rectangular image 32
The rectangular element of 1st row the 1st column, so as to know the position of the rectangular element on a display screen.
It should be noted that the seat in the size or quantity and rectangular element of the rectangular element in the rectangular image of position
Mark information can be systemic presupposition, can also be interim customized.That is, coordinate information in a coordinate unit with should
Corresponding relationship between the position of coordinate unit on a display screen can be systemic presupposition, can also be interim customized.This
Inventive embodiments are not construed as limiting this, as long as guaranteeing, it is known that the coordinate information in coordinate unit, so that it may be inferred to the coordinate unit
Position on a display screen.
It should be understood that adjacent four rectangular elements in the rectangular image of position share a crosspoint, herein by the intersection
Point is denoted as rectangular cross point.
Specifically, as shown in figure 3, coordinate information is respectively 408,508,409 and 509 in position rectangular mesh image 32
4 adjacent rectangle units share a rectangular cross point 34.
It should be understood that can also infer that corresponding square according to the coordinate information in rectangular element each in the rectangular image of position
The coordinate in shape crosspoint.
Optionally, the form of expression of the coordinate information in rectangular element can be digital (as shown in Figure 3), be also possible to it
His feasible mark, the embodiment of the present invention are not construed as limiting this.
Specifically, in step 22, the acquisition image of the fingerprint sensor of acquisition includes at least in the rectangular image of position
One complete rectangular element.
Specifically, by taking position rectangular image 32 shown in Fig. 3 as an example, and assume the length and width point of image acquisition region
Not Wei L, W, the length of each rectangular element and width are respectively the acquisition image such as Fig. 4 for L/2, W/2 in grid image
(a) or shown in Fig. 4 (b).
As shown in Fig. 4 (a), in the acquisition image completely include position rectangular image 32 in 4 rectangular elements, this 4
Coordinate information 408,409,508 and 509 is respectively provided in rectangular element.
As shown in Fig. 4 (b), in the acquisition image completely include the position rectangular image 32 in 1 rectangular element, this
There is coordinate information 408 in rectangular element.
Specifically, in step 23, image recognition processing is carried out to the acquisition image, identification obtains wrapping in the acquisition image
The coordinate information having in the complete rectangular element included；According to the coordinate information having in the rectangular element, display screen is determined
The position of interior fingerprint prompt pattern.
During carrying out image recognition processing to the acquisition image, if the coordinate information in the rectangular element is to utilize
Digital representation, digital identification can be carried out to the acquisition image using digital recognizer, until obtaining the coordinate information.Such as
Coordinate information in the fruit rectangular element is indicated using other marks, can use recognizer pair corresponding with the mark
The acquisition image is identified, until obtaining the coordinate information.
It, can be by the coordinate information after the coordinate information in complete rectangular element for including in obtaining the acquisition image
Centre coordinate of the indicated coordinate as fingerprint prompt pattern.The size of fingerprint prompt pattern can be sensed with reference fingerprint
The size of the image acquisition region of device determines.As an example, in situation shown in Fig. 3, fingerprint prompt pattern can be
Length is L, and width is the rectangular patterns of W, and the centre coordinate of fingerprint prompt pattern is complete according to include in acquisition image
Rectangular element in the coordinate information that has determine.
Optionally, in step 23, coordinate information possessed by the complete rectangular element that includes according to the acquisition image,
Determine coordinate of the central point of the acquisition image in the display screen；By seat of the central point of the acquisition image in the display screen
Mark is determined as the centre coordinate of fingerprint prompt pattern.
The centre coordinate of fingerprint prompt pattern as mentioned in the embodiments of the present invention refers to the center of fingerprint prompt pattern
Coordinate of the point in display screen.Specifically, the central point of image can be the geometric center point of image.
It should be noted that coordinate of the central point for the acquisition image being mentioned above in display screen is referred to aobvious
Under the coordinate system of display screen, the coordinate of the central point of the acquisition image.
Optionally, as an alternative embodiment, will directly have in the complete rectangular element for including in the acquisition image
The corresponding coordinate of some coordinate informations is determined as the centre coordinate of fingerprint prompt pattern.
Specifically, it is assumed that shown in the acquisition image such as Fig. 4 (b), in the complete rectangular element for including in the acquisition image
The coordinate information having is 408, for example, coordinate information 408 indicates the coordinate (7L/4,15W/4) on display screen, then by coordinate
(7L/4,15W/4) is determined as the centre coordinate of fingerprint prompt pattern.
For example, determining the size of fingerprint prompt pattern according to the size of image acquisition region.It is mentioned it should be understood that obtaining fingerprint
After the centre coordinate and size of diagram case, so that it may obtain the position of fingerprint prompt pattern on a display screen.
Optionally, as another alternative embodiment, which also includes at least one of the location matrix image
Rectangular cross point (such as point of rectangular cross shown in Fig. 3 34), the rectangular cross point indicate adjacent in the location matrix image
Crosspoint common to four rectangular elements；Wherein, step 23 is had according to the complete rectangular element that the acquisition image includes
Some coordinate informations determine coordinate of the central point of the acquisition image in the display screen, comprising: calculate in the acquisition image
The distance between the rectangular cross point that heart point and the acquisition image include；According to this distance and the acquisition image includes
Coordinate information possessed by complete rectangular element, calculates coordinate of the central point of the acquisition image in the display screen.
Specifically, firstly, under the coordinate system of the acquisition image, the central point and the acquisition image of the acquisition image are calculated
In include the distance between a rectangular cross point.Then, according in the complete rectangular element for including in the acquisition image
The coordinate information having can be inferred that the coordinate of the rectangular cross point in the display screen.Finally, according to the rectangular cross point
Coordinate in the display screen, and the distance between the central point of the rectangular cross point and the acquisition image being calculated,
Coordinate of the central point of the acquisition image in the display screen is calculated.
Specifically, as shown in Figure 6.Assuming that the acquisition image is shown in Fig. 4 (b), include in the acquisition image is complete
The coordinate information having in rectangular element is 408, further includes rectangular cross point P.
Firstly, being directed to the acquisition image, an image coordinate system is defined, and obtain the central point O of the acquisition image at this
Coordinate in image coordinate system.By image recognition, identification obtains rectangular cross point P, and obtains rectangular cross point P in the figure
As the coordinate under coordinate system.Then, the coordinate and rectangular cross according to the central point O of the acquisition image in the image coordinate system
Coordinate of the point P under the image coordinate system calculates the distance between central point O and rectangular cross point P of the acquisition image.Ying Li
Solution, according to the coordinate information 408 for including in the acquisition image, coordinate of the available rectangular cross point P in display screen, such as
For (7L/4,15W/4).According to the central point O and rectangle of coordinate and the acquisition image of the rectangular cross point P in display screen
Coordinate of the central point O of the acquisition image in display screen is calculated in the distance between crosspoint P.
In embodiments of the present invention, it is recorded in the complete rectangular element for including by the acquisition image of fingerprint sensor
Coordinate information determines then the centre coordinate of the acquisition image of fingerprint sensor is determined according to the centre coordinate of the acquisition image
Fingerprint prompts the centre coordinate of pattern, can further increase the positioning accuracy of fingerprint prompt pattern.
For another example acquiring in image includes four complete shown in the acquisition image such as Fig. 4 (a) obtained in step 22
Rectangular element further includes a rectangular cross point；It, can be directly using the coordinate of the rectangular cross point as fingerprint in step 23
Indicate the centre coordinate of image.
The method of the position of determining fingerprint prompt pattern provided in an embodiment of the present invention, can be applied to electronic equipment factory
In initial set-up procedure afterwards.For example, automatic running determines the finger of the position of fingerprint prompt pattern after electronic equipment first powers on
Order or program orient the position of fingerprint prompt pattern in display screen, subsequent in the use process of electronic equipment, according to determination
The position of fingerprint prompt pattern out, shows that fingerprint prompts pattern, in display screen to indicate that user inputs in place
Fingerprint.
Optionally, the electronic equipment in the embodiment of the present invention can also be arranged fingerprint prompt pattern and reset bit function
Module.When user is during using electronic equipment, if it find that the efficiency of fingerprint recognition is too low, suspection current finger print is prompted
There is deviation in the position of pattern.Under this situation, the fingerprint prompt pattern reorientation functional module of electronic equipment internal can be triggered,
Electronic equipment execute above-described embodiment description determination fingerprint prompt pattern method related procedure, finally determine one compared with
The position of pattern is prompted for accurate fingerprint.
In conclusion in determining display screen provided in an embodiment of the present invention in the method for the position of fingerprint prompt pattern,
By showing the grid image with coordinate information on a display screen, so that including that coordinate is believed in the acquisition image of fingerprint sensor
Breath determines the position of fingerprint prompt pattern in display screen according to the coordinate information for including in the acquisition image.It is real through the invention
The position for the fingerprint prompt pattern that the method for applying example obtains and the rigging position of fingerprint sensor are almost the same, in other words, this
The positioning accuracy of the determining fingerprint prompt pattern of application is higher, and user inputs fingerprint on the position of fingerprint prompt pattern,
It enables to fingerprint sensor to obtain biggish effective fingerprint area, improves the efficiency of fingerprint recognition.
Described above is the methods of the position of fingerprint prompt pattern in determining display screen provided in an embodiment of the present invention, hereafter
The device of the position of fingerprint prompt pattern in determining display screen provided in an embodiment of the present invention is described.
Fig. 7 is the schematic of the device 40 for the position that fingerprint prompts pattern in determining display screen provided in an embodiment of the present invention
Block diagram, the device 40 include display screen 41 and fingerprint sensor 42, and the image acquisition region of the fingerprint sensor is aobvious positioned at this
At least partly display area of display screen 41, the device 40 further include:
Display module 43, for showing grid image in the display screen, the region where the grid image at least covers should
Image acquisition region, the grid image include multiple coordinate units, which has coordinate information, which is used for
Indicate the coordinate unit in the position of the display screen；
Processing module 44, for obtaining the acquisition image of the fingerprint sensor, which includes at least the grid chart
One complete coordinate unit of picture；
The processing module 44 is also used to, coordinate information possessed by the coordinate unit for including according to the acquisition image, is determined
The position of fingerprint prompt pattern in the display screen.
Optionally, which is desirably integrated into display screen 41.
Therefore, in embodiments of the present invention, by showing the grid image with coordinate information on a display screen, so that referring to
Include coordinate information in the acquisition image of line sensor, is determined in display screen and referred to according to the coordinate information for including in the acquisition image
The position of line prompt pattern.The position of pattern and the dress of fingerprint sensor are prompted by the fingerprint that scheme provided by the present application obtains
Almost the same with position, in other words, the positioning accuracy for the fingerprint prompt pattern that the application determines is higher, and user is in the fingerprint
It prompts to input fingerprint on the position of pattern, fingerprint sensor is enabled to obtain biggish effective fingerprint area, improve fingerprint and know
Other efficiency.
Optionally, in embodiments of the present invention, which is arranged in the back side of the display screen, and the fingerprint sensing
The image acquisition region of device is less than the part display area for only covering the display screen.
Optionally, in embodiments of the present invention, which is location matrix image, and the location matrix image includes
Multiple coordinate units in matrix distribution, each coordinate unit are rectangular element.
Optionally, in embodiments of the present invention, the long side of the rectangular element and direction where short side respectively with the image
Direction of the first of pickup area where while with second is parallel, also, the long side of the rectangular element is less than or equal to the image
The half on the first side of pickup area, the short side of the rectangular element are less than or equal to the one of the second side of the image acquisition region
Half.
Optionally, in embodiments of the present invention, which is specifically used for:
Coordinate information possessed by the complete rectangular element for including according to the acquisition image determines in the acquisition image
Coordinate of the heart point in the display screen；
Coordinate of the central point of the acquisition image in the display screen is determined as to the centre coordinate of fingerprint prompt pattern.
Optionally, in embodiments of the present invention, which also includes at least a rectangle of the location matrix image
Crosspoint, the rectangular cross point indicate crosspoint common to adjacent four rectangular elements in the location matrix image；
The processing module 44 is specifically used for:
Calculate the distance between the central point of the acquisition image and rectangular cross point that the acquisition image includes；
According to this distance and the acquisition image include complete rectangular element possessed by coordinate information, calculate this and adopt
Collect coordinate of the central point of image in the display screen.
Optionally, in embodiments of the present invention, which is also used to: the position of pattern is prompted according to the fingerprint,
Pattern is prompted in the display screen display fingerprint, to indicate that the region where user prompts pattern in the fingerprint inputs fingerprint.
Specifically, display module 43 and processing module 44 can be realized by processor or processor associated circuit components.
It should be understood that device 40 here is embodied in the form of functional unit.In an optional example, those skilled in the art
Member is appreciated that device 400 can be specially the electronic equipment referred in above method embodiment, can also be shown in FIG. 1
Electronic equipment 10.Device 40 can be used for executing each process and/or step in above method embodiment, to avoid repeating,
This is repeated no more.
It should also be understood that in embodiments of the present invention, term " module " can refer to using peculiar integrated circuit
It is (Application Specific Integrated Circuit, ASIC), electronic circuit, one or more soft for executing
The processor (such as shared processor, proprietary processor or group processor etc.) and memory of part or firmware program merge logic
Circuit and/or other appropriate components for supporting described function.
Fig. 8 shows the device of the position of fingerprint prompt pattern in another determining display screen provided in an embodiment of the present invention
50, comprising: processor 51, memory 52, display screen 53 and fingerprint sensor 54.Wherein, the Image Acquisition of fingerprint sensor 54
Region is located at at least partly display area of display screen 53, and for storing instruction, the processor 51 is for executing for the memory 52
The instruction of the memory 52 storage, wherein the execution to the instruction is so that the processor 51 executes following operation:
Grid image is shown in the display screen 53, the region where the grid image at least covers the image acquisition region,
The grid image includes multiple coordinate units, which has coordinate information, which is used to indicate the coordinate list
Member is in the position of the display screen 53；The acquisition image of the fingerprint sensor 54 is obtained, which includes at least the grid chart
One complete coordinate unit of picture；Coordinate information possessed by the coordinate unit for including according to the acquisition image determines that this is aobvious
The position of fingerprint prompt pattern in display screen 53.
Therefore, in embodiments of the present invention, by showing the grid image with coordinate information on a display screen, so that referring to
Include coordinate information in the acquisition image of line sensor, is determined in display screen and referred to according to the coordinate information for including in the acquisition image
The position of line prompt pattern.The position of pattern and the dress of fingerprint sensor are prompted by the fingerprint that scheme provided by the present application obtains
Almost the same with position, in other words, the positioning accuracy for the fingerprint prompt pattern that the application determines is higher, and user is in the fingerprint
It prompts to input fingerprint on the position of pattern, fingerprint sensor is enabled to obtain biggish effective fingerprint area, improve fingerprint and know
Other efficiency.
In an optional example, it will be understood by those skilled in the art that device 50 can be specially in above-described embodiment
Device 40, also correspond to the electronic equipment in above method embodiment.Device 50 can be used for executing above method implementation
Each process and/or step in example, to avoid repeating, details are not described herein.
The embodiment of the present invention also provides a kind of electronic equipment, which includes device 40 or dress in above-described embodiment
Set 50.
Optionally, as one embodiment, which is Organic Light Emitting Diode (Organic Light-Emitting
Diode, OLED) display screen, which is optical fingerprint sensor, wherein the optical fingerprint sensor utilizes should
At least partly OLED pixel unit of OLED display screen executes optical finger print detection function as light source.
It should be understood that processor as mentioned in the embodiments of the present invention can be central processing unit (Central
Processing Unit, CPU), it can also be other general processors, digital signal processor (Digital Signal
Processor, DSP), it is specific integrated circuit (Application Specific Integrated Circuit, ASIC), existing
At programmable gate array (Field Programmable Gate Array, FPGA) or other programmable logic device, discrete
Door or transistor logic, discrete hardware components etc..General processor can be microprocessor or the processor can also
To be any conventional processor etc..
It should also be understood that memory as mentioned in the embodiments of the present invention can be volatile memory or non-volatile memories
Device, or may include both volatile and non-volatile memories.Wherein, nonvolatile memory can be read-only memory
(Read-Only Memory, ROM), programmable read only memory (Programmable ROM, PROM), erasable programmable are only
Read memory (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM,
) or flash memory EEPROM.Volatile memory can be random access memory (Random Access Memory, RAM), use
Make External Cache.By exemplary but be not restricted explanation, the RAM of many forms is available, such as static random-access
Memory (Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), synchronous dynamic random-access
Memory (Synchronous DRAM, SDRAM), double data speed synchronous dynamic RAM (Double Data
Rate SDRAM, DDR SDRAM), it is enhanced Synchronous Dynamic Random Access Memory (Enhanced SDRAM, ESDRAM), same
Step connection dynamic random access memory (Synchlink DRAM, SLDRAM) and direct rambus random access memory
(Direct Rambus RAM, DR RAM).
It should be noted that when processor is general processor, DSP, ASIC, FPGA or other programmable logic devices
When part, discrete gate or transistor logic, discrete hardware components, memory (memory module) is integrated in the processor.
It should be noted that memory described herein is intended to include but is not limited to the storage of these and any other suitable type
Device.
It should also be understood that first, second, third, fourth and the various digital numbers that are referred to herein are only for convenience of description
The differentiation of progress, is not intended to limit scope of the present application.
It should be understood that the terms "and/or", only a kind of incidence relation for describing affiliated partner, expression can deposit
In three kinds of relationships, for example, A and/or B, can indicate: individualism A exists simultaneously A and B, these three situations of individualism B.
In addition, character "/" herein, typicallys represent the relationship that forward-backward correlation object is a kind of "or".
It should be understood that magnitude of the sequence numbers of the above procedures are not meant to execute suitable in the various embodiments of the application
Sequence it is successive, the execution of each process sequence should be determined by its function and internal logic, the implementation without coping with the embodiment of the present invention
Process constitutes any restriction.
Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure
Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
It is implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician
Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed
Scope of the present application.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed systems, devices and methods, it can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit
It divides, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components
It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, the indirect coupling of device or unit
It closes or communicates to connect, can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, each functional unit in each embodiment of the application can integrate in one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in a computer readable storage medium.Based on this understanding, the technical solution of the application is substantially in other words
The part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be a
People's computer, server or network equipment etc.) execute each embodiment the method for the application all or part of the steps.
And storage medium above-mentioned includes: that USB flash disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), arbitrary access are deposited
The various media that can store program code such as reservoir (Random Access Memory, RAM), magnetic or disk.
The above, the only specific embodiment of the application, but the protection scope of the application is not limited thereto, it is any
Those familiar with the art within the technical scope of the present application, can easily think of the change or the replacement, and should all contain
Lid is within the scope of protection of this application.Therefore, the protection scope of the application shall be subject to the protection scope of the claim.
Claims (12)
1. the method for the position of fingerprint prompt pattern, is applied to pass including the display screen and fingerprint in a kind of determining display screen
The electronic equipment of sensor, the image acquisition region of the fingerprint sensor are located at at least partly display area of the display screen,
It is characterized in that, which comprises
Grid image is shown in the display screen, the region where the grid image at least covers described image pickup area,
The grid image includes multiple coordinate units, and the coordinate unit has coordinate information, and the coordinate information is used to indicate institute
Coordinate unit is stated in the position of the display screen, wherein the grid image is location matrix image, and the location matrix figure
As include it is multiple in matrix distribution coordinate units, each coordinate unit be rectangular element, the long side of the rectangular element with it is short
Direction where respectively with described image pickup area first while, also, the square parallel with the direction where the second side
The long side of shape unit be less than or equal to described image pickup area the first side half, the short side of the rectangular element be less than or
Equal to the half on the second side of described image pickup area；
The acquisition image of the fingerprint sensor is obtained, the acquisition image includes at least one of the grid image completely
Coordinate unit；
Coordinate information possessed by the coordinate unit for including according to the acquisition image, determines fingerprint prompt figure in the display screen
The position of case.
2. the method according to claim 1, wherein the back of the display screen is arranged in the fingerprint sensor
Face, and the image acquisition region of the fingerprint sensor is less than the part display area for only covering the display screen.
3. the method according to claim 1, wherein the coordinate unit institute for including according to the acquisition image
The coordinate information having determines the position of fingerprint prompt pattern in the display screen, comprising:
Coordinate information possessed by the complete rectangular element for including according to the acquisition image, determines in the acquisition image
Coordinate of the heart point in the display screen；
The center that coordinate of the central point of the acquisition image in the display screen is determined as the fingerprint prompt pattern is sat
Mark.
4. according to the method described in claim 3, it is characterized in that, the acquisition image also includes at least the location matrix figure
One rectangular cross point of picture, the rectangular cross point indicate in the location matrix image common to adjacent four rectangular elements
Crosspoint；
Wherein, described to acquire coordinate information possessed by the complete rectangular element that image includes according to described, it is adopted described in determination
Collect coordinate of the central point of image in the display screen, comprising:
The distance between the rectangular cross point that the central point and the acquisition image for calculating the acquisition image include；
Coordinate information possessed by the complete rectangular element for including according to the distance and the acquisition image, described in calculating
Acquire coordinate of the central point of image in the display screen.
5. method according to claim 1 to 4, which is characterized in that the method also includes:
The position that pattern is prompted according to the fingerprint shows the fingerprint prompt pattern, on the display screen to indicate user
Region where prompting pattern in the fingerprint inputs fingerprint.
6. the device of the position of fingerprint prompt pattern in a kind of determining display screen, described device includes display screen and fingerprint sensing
Device, the image acquisition region of the fingerprint sensor are located at at least partly display area of the display screen, which is characterized in that institute
State device further include:
Display module, described in display screen display grid image, the region where the grid image is at least covered
Image acquisition region, the grid image include multiple coordinate units, and the coordinate unit has coordinate information, the coordinate letter
Breath is used to indicate the coordinate unit in the position of the display screen, wherein the grid image is location matrix image, and institute
It includes multiple coordinate units in matrix distribution that rheme, which sets matrix image, and each coordinate unit is rectangular element, the rectangle list
Long side and the direction where short side of member respectively with the first of described image pickup area while with second where direction it is parallel,
Also, the long side of the rectangular element is less than or equal to the half on the first side of described image pickup area, the rectangular element
Short side be less than or equal to described image pickup area the second side half；
Processing module, for obtaining the acquisition image of the fingerprint sensor, the acquisition image includes at least the grid chart
One complete coordinate unit of picture；
The processing module is also used to, and coordinate information possessed by the coordinate unit for including according to the acquisition image determines institute
State the position of fingerprint prompt pattern in display screen.
7. device according to claim 6, which is characterized in that the back of the display screen is arranged in the fingerprint sensor
Face, and the image acquisition region of the fingerprint sensor is less than the part display area for only covering the display screen.
8. device according to claim 6, which is characterized in that the processing module is specifically used for:
Coordinate information possessed by the complete rectangular element for including according to the acquisition image, determines in the acquisition image
Coordinate of the heart point in the display screen；
The center that coordinate of the central point of the acquisition image in the display screen is determined as the fingerprint prompt pattern is sat
Mark.
9. device according to claim 8, which is characterized in that the acquisition image also includes at least the location matrix figure
One rectangular cross point of picture, the rectangular cross point indicate in the location matrix image common to adjacent four rectangular elements
Crosspoint；
The processing module is specifically used for:
The distance between the rectangular cross point that the central point and the acquisition image for calculating the acquisition image include；
Coordinate information possessed by the complete rectangular element for including according to the distance and the acquisition image, described in calculating
Acquire coordinate of the central point of image in the display screen.
10. device according to any one of claims 6 to 9, which is characterized in that the display module is also used to: according to
The position of the fingerprint prompt pattern shows the fingerprint prompt pattern, on the display screen to indicate user in the finger
Region where line prompts pattern inputs fingerprint.
11. a kind of electronic equipment, which is characterized in that including in the determination display screen as described in any one of claim 6 to 10
Fingerprint prompts the device of the position of pattern.
12. electronic equipment according to claim 11, which is characterized in that the display screen is Organic Light Emitting Diode OLED
Display screen, the fingerprint sensor are optical fingerprint sensor, wherein the optical fingerprint sensor is shown using the OLED
At least partly OLED pixel unit of screen executes optical finger print detection function as light source.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2017/081881 WO2018195782A1 (en) | 2017-04-25 | 2017-04-25 | Method and apparatus for determining position of fingerprint prompt pattern in display screen |
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| CN107278286B true CN107278286B (en) | 2019-01-18 |
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| CN108235750B (en) * | 2018-01-15 | 2021-06-11 | 深圳市汇顶科技股份有限公司 | Press detection method and device of fingerprint identification system and terminal equipment |
| CN110717363B (en) * | 2018-07-13 | 2022-05-10 | 印象认知（北京）科技有限公司 | Fingerprint acquisition method and device applied to fingerprint registration |
| CN109163888A (en) * | 2018-08-29 | 2019-01-08 | 歌尔股份有限公司 | Optical centre test method, device and equipment |
| CN111860037A (en) * | 2019-04-25 | 2020-10-30 | 北京小米移动软件有限公司 | Calibration method and device for fingerprint acquisition area |
| WO2020243928A1 (en) * | 2019-06-05 | 2020-12-10 | 深圳市汇顶科技股份有限公司 | Optical image acquisition unit, optical image acquisition system, display screen, and electronic equipment |
| CN110598660A (en) * | 2019-09-19 | 2019-12-20 | 上海图正信息科技股份有限公司 | Method for realizing surface luminous pattern of fingerprint sensor |
| CN111837131B (en) * | 2019-10-18 | 2024-04-26 | 深圳市汇顶科技股份有限公司 | Fingerprint identification device and electronic equipment |
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| CN106570442B (en) * | 2015-10-09 | 2021-05-14 | 小米科技有限责任公司 | Fingerprint identification method and device |
| CN105335724B (en) * | 2015-10-30 | 2018-12-25 | 东莞酷派软件技术有限公司 | Window regulation method and device and terminal based on fingerprint recognition |
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| CN103778424A (en) * | 2014-01-14 | 2014-05-07 | 杭州晟元芯片技术有限公司 | Fingerprint input method based on grids |
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