CN209086953U - Fingerprint mould group and electronic equipment - Google Patents
Fingerprint mould group and electronic equipment Download PDFInfo
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- CN209086953U CN209086953U CN201821777832.4U CN201821777832U CN209086953U CN 209086953 U CN209086953 U CN 209086953U CN 201821777832 U CN201821777832 U CN 201821777832U CN 209086953 U CN209086953 U CN 209086953U
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Abstract
The utility model discloses a kind of fingerprint mould groups, applied to the electronic equipment including screen and fingerprint mould group, fingerprint mould is mounted on the lower section of the predeterminable area of screen, screen is equipped with the first polaroid, fingerprint mould group includes collimation lens and optical fingerprint sensor, collimation lens is set to optical fingerprint sensor close to the side of screen, and collimation lens is equipped with the second polaroid, and the polarization direction of the first polaroid and the second polaroid is consistent；For filtering to the first light, the first light is light of the light through screen reflection that screen emits to first direction for first polaroid and the second polaroid；For second polaroid for filtering to the second light, the second light is the light that screen emits to second direction.The utility model additionally provides a kind of electronic equipment.Optical noise may filter that using the utility model embodiment, to promote the quality of collected fingerprint image.
Description
Technical field
The utility model relates to electronic technology field more particularly to a kind of fingerprint mould group and electronic equipments.
Background technique
Shielding lower fingerprint collecting principle is that the finger put on the screen, the light that screen issues are irradiated using the light of screen sending
It is reflected when reaching finger, the optical signal that the optical finger print mould group below screen receives reflection is set, since fingerprint is recessed
The lines of convex injustice, light absorption amplitude is different, to obtain the different fingerprint image of light and shade.Currently, optical finger print mould group meeting
The quality of collected fingerprint image is influenced because of some optical noises.
Utility model content
The technical problem to be solved by the embodiment of the utility model is, a kind of fingerprint mould group and electronic equipment are provided,
For filtering optical noise, to promote the quality of collected fingerprint image.
In a first aspect, the utility model embodiment provides a kind of fingerprint mould group, it is applied to electronic equipment, the electronic equipment
Including screen and the fingerprint mould group, the fingerprint mould is mounted on the lower section of the predeterminable area of the screen, and the screen is equipped with
First polaroid, the fingerprint mould group include collimation lens and optical fingerprint sensor, and the collimation lens is set to the optics
For fingerprint sensor close to the side of the screen, the collimation lens is equipped with the second polaroid, first polaroid and described
The polarization direction of second polaroid is consistent；
For filtering to the first light, first light is institute for first polaroid and second polaroid
State light of the light through the screen reflection that screen emits to first direction；
For second polaroid for filtering to the second light, second light is the screen to second direction
The vertical screen of the light of transmitting, the first direction and the second direction, the first direction are directed toward the electronics
The outside of equipment, the second direction are directed toward the inside of the electronic equipment.
Second aspect, the utility model embodiment provide a kind of electronic equipment, including screen and fingerprint mould group, the fingerprint
Mould is mounted on the lower section of the predeterminable area of the screen；The screen is equipped with the first polaroid, and the fingerprint mould group includes collimation
Lens and optical fingerprint sensor, the collimation lens are set to the optical fingerprint sensor close to the side of the screen, institute
Collimation lens is stated equipped with the second polaroid, first polaroid is consistent with the polarization direction of second polaroid；
For filtering to the first light, first light is institute for first polaroid and second polaroid
State light of the light through the screen reflection that screen emits to first direction；
For second polaroid for filtering to the second light, second light is the screen to second direction
The vertical screen of the light of transmitting, the first direction and the second direction, the first direction are directed toward the electronics
The outside of equipment, the second direction are directed toward the inside of the electronic equipment.
In the utility model embodiment, the optical noise for influencing fingerprint mould group usually has the first light and the second light, the
One light is light of the light through screen reflection that screen emits to first direction, and the second light is that screen emits to second direction
Light, first direction and the equal vertical screen of second direction, first direction is directed toward the outside of electronic equipment, and second direction is directed toward electricity
The inside of sub- equipment, the second polaroid that the first polaroid and collimation lens being equipped with by screen are equipped with is to the first light
It filters, is filtered by the second polaroid to the second light, so that fingerprint mould group is by above-mentioned when acquiring fingerprint
The influence of two kinds of optical noises reduces, and then promotes the quality of collected fingerprint image.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of a kind of electronic equipment provided by the embodiment of the utility model；
Fig. 2 is a kind of structural schematic diagram of fingerprint mould group provided by the embodiment of the utility model；
Fig. 3 is the structural schematic diagram of three kinds of collimation lenses provided by the embodiment of the utility model；
Fig. 4 is a kind of flow diagram of fingerprint collecting method provided by the embodiment of the utility model.
Specific embodiment
It is practical new below with reference to this in order to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
The technical solution of the utility model embodiment is clearly and completely described in the attached drawing of type embodiment.Obviously, described
Embodiment is only the embodiment of the utility model a part, instead of all the embodiments.Based on the reality in the utility model
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts is all answered
When the range for belonging to the utility model protection.
Unless otherwise defined, technical term or scientific term reply used herein is as in the utility model fields
The ordinary meaning that personage with general technical ability is understood." first ", " second " used in the utility model, " third " and
" 4th " etc. is for distinguishing different objects, is not use to describe a particular order, quantity or importance.Equally, "one",
The similar word such as " one " or "the" does not indicate that quantity limits yet, and is used only to indicate that there are at least one." comprising " or " packet
Containing " etc. similar word mean to occur the element or object before the word cover appear in the word presented hereinafter element or
Object and its equivalent, and it is not excluded for other elements or object." connection " or be connected etc. similar word be not limited to physics
Or mechanical connection, but may include electrical connection, it is either direct or indirectly."upper", "lower",
"left", "right" etc. is only used for indicating relative positional relationship, and after the absolute position for being described object changes, then the relative position is closed
System may also correspondingly change.
For clarity, layer or the thickness in region are amplified in the accompanying drawings, rather than are drawn according to actual ratio.When all
When being referred to as being located at another element "upper" such as the element of layer, film, region or substrate etc, which " direct " can be located at another
A element "upper", or may exist intermediary element.
Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodiments
It is contained at least one embodiment of the utility model., which there is the phrase, in each position in the description to be each meant
Identical embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art are explicit
Ground and implicitly understand, embodiment described herein can be combined with other embodiments.
Electronic equipment may include the various handheld devices with wireless communication function, mobile unit, wearable device, meter
Calculate equipment or be connected to radio modem other processing equipments and various forms of user equipment (User
Equipment, UE), mobile station (Mobile Station, MS), terminal device (terminal device) etc..
Referring to Figure 1 and Fig. 2, Fig. 1 be a kind of electronic equipment provided by the embodiment of the utility model structural schematic diagram, figure
2 be a kind of structural schematic diagram of fingerprint mould group provided by the embodiment of the utility model.Fingerprint mould group provided by the utility model is answered
For electronic equipment, the electronic equipment includes screen and the fingerprint mould group, and the fingerprint mould is mounted on the pre- of the screen
If the lower section in region, the screen is equipped with the first polaroid, and the fingerprint mould group includes collimation lens and optical fingerprint sensor,
The collimation lens is set to the optical fingerprint sensor close to the side of the screen, and the collimation lens is equipped with the second polarisation
Piece, first polaroid are consistent with the polarization direction of second polaroid；
For filtering to the first light, first light is institute for first polaroid and second polaroid
State light of the light through the screen reflection that screen emits to first direction；
For second polaroid for filtering to the second light, second light is the screen to second direction
The vertical screen of the light of transmitting, the first direction and the second direction, the first direction are directed toward the electronics
The outside of equipment, the second direction are directed toward the inside of the electronic equipment.
Wherein, on the basis of Fig. 1, first direction vertical screen, and be directed toward the outside of electronic equipment, i.e. first direction is
Vertical screen upwardly direction, second direction vertical screen, and be directed toward the inside of electronic equipment, i.e., second direction is vertical screen
Downwardly direction.
Wherein, which can be a part of screen, is also possible to entire screen, be not limited thereto.Pre-
If in the case that region is a part of screen, the position where the predeterminable area can be the upper left of the centre of screen, screen
Angle, the upper right corner of screen, lower left corner of screen etc., are not limited thereto.In the case where predeterminable area is a part of screen,
The size of the predeterminable area can be 5mm*5mm, 8mm*8mm, 1cm*1cm or other values.In one that predeterminable area is screen
In the case where part, the shape of the predeterminable area can be square, rectangle, ellipse, polygon etc., not limit herein
It is fixed.
Wherein, the top of the display layer of screen is arranged in the first polaroid, and the effect of the polaroid is to reduce extraneous light
Reflection.Screen includes cover-plate glass, display screen and touch screen, then the first polaroid is in the top of display screen.
Wherein, first light be upper surface of the light through the screen that emits to first direction of the screen (i.e.
The outside glass of screen, i.e. cover-plate glass) reflection light.
Wherein, polaroid (Polarizer) full name is polarized light piece, can control the polarization direction of particular beam.Natural light
When passing through polaroid, the direction of vibration light vertical with polaroid transmission axis will be absorbed, through light only be left direction of vibration with
The parallel polarised light of polaroid transmission axis.
As can be seen that the second light is the light that screen vertical emits downwards, second in the utility model embodiment
Light only allows light identical with the second polaroid polarization direction to pass through after the second polaroid, therefore is passing through second
After polaroid, the second light can also decay, and the first light is that the light that screen vertical emits upwards is returned by screen reflection
Light, the first light have been the polarization direction light identical with the first polaroid obtained by the first polaroid, the first light
Line can change by medium rear polarizer direction, and to the rear by the first polarizing film and the second polarization in this way, the first light also can
Decaying, through user fingerprints reflection light due to consistent with the polarization direction of polaroid, so by polaroid light influence compared with
It is few, so that fingerprint mould group is influenced to reduce by above two optical noise when acquiring fingerprint, and then promote collected finger
The quality of print image.
In an implementation of the utility model, the collimation lens is equipped with the second polaroid, comprising: the collimation is saturating
The upper surface of mirror is equipped with the second polaroid；Alternatively, the centre of the collimation lens is equipped with the second polaroid；Alternatively, the collimation
The lower surface of lens is equipped with the second polaroid.It is specific as shown in Figure 3.
In an implementation of the utility model, the collimation lens and second polaroid are integrally disposed, or
Lamination setting.
Wherein, it is equipped with the second polaroid in the upper surface of collimation lens or lower surface, it is integrally disposed to refer to polaroid
It is embedded in the upper surface or lower surface of collimation lens, forms the collimation lens with polarizing function, or the upper table in collimation lens
Face or lower surface are coated with light polarizing film in a manner of optically coated, form the collimation lens with polarizing function.
Wherein, it is equipped with the second polaroid in the centre of collimation lens, it is integrally disposed to refer to that polaroid is embedded in collimation thoroughly
The centre of mirror forms the collimation lens with polarizing function.
Wherein, it is equipped with the second polaroid in the upper surface of collimation lens or lower surface, lamination setting refers to saturating in collimation
The upper surface of mirror or lower surface are superimposed one layer of polaroid.
In an implementation of the utility model, the surface of the optical fingerprint sensor is equipped with infrared (Infrared
Radiation, IR) film.IR film function is mainly off infrared light, and through luminous ray, IR film can pass through optical coating
To realize manufacture.
In an implementation of the utility model, the surface of the collimation lens is equipped with IR film.
Specifically have: being equipped with the second polaroid in the centre of collimation lens, it can be in the upper surface or lower surface of collimation lens
Equipped with IR film；It is equipped with the second polaroid in the upper surface of collimation lens, which be arranged in a manner of optically coated
On collimation lens, IR film can be equipped in the lower surface of collimation lens；The second polarisation is equipped in the upper surface of collimation lens
Piece, which be arranged on collimation lens with lamination, can be equipped in the upper surface of collimation lens or lower surface
IR film；It is equipped with the second polaroid in the lower surface of collimation lens, which is that standard is arranged in a manner of optically coated
On straight lens, IR film can be equipped in the upper surface of collimation lens；It is equipped with the second polaroid in the lower surface of collimation lens, it should
Second polaroid is arranged on collimation lens with lamination, can be equipped with IR film in the upper surface of collimation lens or lower surface.
As can be seen that being equipped with IR film on the surface of optical fingerprint sensor or collimation lens, infrared light may filter that, into one
Step promotes the quality of collected fingerprint image.
In an implementation of the utility model, the screen includes liquid crystal display (Liquid Crystal
Display, LCD) screen or Organic Light Emitting Diode (Organic Light-Emitting Diode, OLED) display screen.
In an implementation of the utility model, first light and second light are predeterminable area hair
Light out.
As can be seen that only lighting predeterminable area when acquiring fingerprint image, the power consumption of electronic equipment can be reduced, promotes electricity
The use duration of sub- equipment.
In an implementation of the utility model, first light and second light are the light of solid color
Line, the solid color include single green, single red or single blue.
Further, when solid color is single green, first light and second light are described default
The light that green pixel in region issues.When solid color is single red, first light and second light
The light issued for the red pixel in the predeterminable area.When solid color is single blue, first light and institute
Stating the second light is the light that the blue pixel in the predeterminable area issues.
Further, when acquiring fingerprint image, the rgb pixels in predeterminable area use in turn.As this is used in advance
If the green pixel, next time in region use the blue picture in predeterminable area using the red pixel in predeterminable area, next time
Element, next time use the green pixel in predeterminable area, and so on.
Since predeterminable area is always used, the service life of predeterminable area will affect, in the utility model embodiment, in turn
Using rgb pixels, and then extend the service life of predeterminable area.
Fig. 4 is referred to, Fig. 4 is a kind of flow diagram of fingerprint collecting method provided by the embodiment of the utility model, is answered
For above-mentioned electronic equipment, method includes:
Step 401: when detecting fingerprint collecting instruction, electronic equipment lights the screen, enables the fingerprint mould group,
The light that the screen emits to first direction is by the first light of the screen reflection by first polaroid and described
Second polaroid filters, and the second light that the screen emits to second direction is filtered by second polaroid, and described first
The vertical screen of direction and the second direction, the first direction are directed toward the outside of the electronic equipment, and described second
It is directed toward the inside of the electronic equipment in direction；
Step 402: electronic equipment acquires third light by the fingerprint mould group, and fingerprint image is obtained after processing, described
Third light is the light that the light that the screen emits to the first direction is reflected through user fingerprints.
As can be seen that the second light is the light that screen vertical emits downwards, second in the utility model embodiment
Light only allows light identical with the second polaroid polarization direction to pass through after the second polaroid, therefore is passing through second
After polaroid, the second light can also decay, and the first light is that the light that screen vertical emits upwards is returned by screen reflection
Light, the first light have been the polarization direction light identical with the first polaroid obtained by the first polaroid, the first light
Line can change by medium rear polarizer direction, and to the rear by the first polarizing film and the second polarization in this way, the first light also can
Decaying, through user fingerprints reflection light due to consistent with the polarization direction of polaroid, so by polaroid light influence compared with
It is few, so that fingerprint mould group is influenced to reduce by above two optical noise when acquiring fingerprint, and then promote collected finger
The quality of print image.
Further, electronic equipment lights the screen, comprising: electronic equipment lights the preset areas of the screen
Domain.
Further, electronic equipment lights the predeterminable area of the screen, comprising: electronic equipment is by the preset areas
It lights to object brightness in domain.
Wherein, object brightness is a preset brightness；Or object brightness is electronic equipment according to electronic equipment
What the environmental light brightness of current environment determined, as determined institute according to environmental light brightness and the mapping relations of predeterminable area brightness
State the corresponding object brightness of environmental light brightness；Or object brightness is that electronic equipment is determined according to electronic equipment current geographic position
, the corresponding object brightness of the current geographic position as described in determining the mapping relations according to geographical location and predeterminable area brightness；
Etc..
As can be seen that only lightening the brightness of predeterminable area when acquiring fingerprint image, power consumption can be reduced.
Further, described to detect fingerprint collecting instruction, comprising: to detect the long-pressing behaviour for the predeterminable area
In the case where work, or have previously detected the clicking operation of the first area for the predeterminable area, and after detect needle
To in the case where the long press operation of the second area of the predeterminable area, alternatively, having previously detected for the screen except described
The clicking operation in the region except predeterminable area, and after detect the long press operation for the predeterminable area in the case where,
Electronic equipment detects fingerprint collecting instruction, and first area is different from second area.
As can be seen that triggering fingerprint collecting instruction by more complex operation, user misoperation is avoided.
The above, above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；Although ginseng
The utility model is described in detail according to previous embodiment, those skilled in the art should understand that: it is still
It is possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is equally replaced
It changes；And these are modified or replaceed, various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
Range.
Claims (10)
1. a kind of fingerprint mould group, which is characterized in that be applied to electronic equipment, the electronic equipment includes screen and the fingerprint mould
Group, the fingerprint mould are mounted on the lower section of the predeterminable area of the screen, and the screen is equipped with the first polaroid, the fingerprint mould
Group includes collimation lens and optical fingerprint sensor, and the collimation lens is set to the optical fingerprint sensor close to the screen
Side, the collimation lens be equipped with the second polaroid, the polarization direction one of first polaroid and second polaroid
It causes；
For filtering to the first light, first light is the screen for first polaroid and second polaroid
Light of the light through the screen reflection that curtain emits to first direction；
For second polaroid for filtering to the second light, second light is that the screen emits to second direction
Light, the vertical screen of the first direction and the second direction, the first direction is directed toward the electronic equipment
Outside, the second direction is directed toward the inside of the electronic equipment.
2. fingerprint mould group according to claim 1, which is characterized in that the collimation lens is equipped with the second polaroid, comprising:
The upper surface of the collimation lens is equipped with the second polaroid.
3. fingerprint mould group according to claim 1, which is characterized in that the collimation lens is equipped with the second polaroid, comprising:
The centre of the collimation lens is equipped with the second polaroid.
4. fingerprint mould group according to claim 1, which is characterized in that the collimation lens is equipped with the second polaroid, comprising:
The lower surface of the collimation lens is equipped with the second polaroid.
5. fingerprint mould group according to claim 1-4, which is characterized in that the collimation lens and described second is partially
Mating plate is integrally disposed or lamination is arranged.
6. fingerprint mould group according to claim 1-4, which is characterized in that the surface of the optical fingerprint sensor
Equipped with infrared IR film.
7. fingerprint mould group according to claim 1-4, which is characterized in that the surface of the collimation lens is equipped with IR
Film.
8. a kind of electronic equipment, which is characterized in that including screen and the fingerprint mould group, the fingerprint mould is mounted on the screen
Predeterminable area lower section, the screen is equipped with the first polaroid, and the fingerprint mould group includes that collimation lens and optical finger print pass
Sensor, the collimation lens are set to the optical fingerprint sensor close to the side of the screen, and the collimation lens is equipped with the
Two polaroids, first polaroid are consistent with the polarization direction of second polaroid；
For filtering to the first light, first light is the screen for first polaroid and second polaroid
Light of the light through the screen reflection that curtain emits to first direction；
For second polaroid for filtering to the second light, second light is that the screen emits to second direction
Light, the vertical screen of the first direction and the second direction, the first direction is directed toward the electronic equipment
Outside, the second direction is directed toward the inside of the electronic equipment.
9. electronic equipment according to claim 8, which is characterized in that the screen include liquid crystal display LCD screen or
Organic Light Emitting Diode OLED display screen.
10. electronic equipment according to claim 8 or claim 9, which is characterized in that first light and second light are
The light that the predeterminable area issues.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821777832.4U CN209086953U (en) | 2018-10-30 | 2018-10-30 | Fingerprint mould group and electronic equipment |
| PCT/CN2019/105991 WO2020088129A1 (en) | 2018-10-30 | 2019-09-16 | Fingerprint module, electronic device and fingerprint acquisition method |
| EP19879208.7A EP3862915A4 (en) | 2019-09-16 | Fingerprint module, electronic device and fingerprint acquisition method | |
| US17/243,424 US20210248345A1 (en) | 2018-10-30 | 2021-04-28 | Fingerprint Assembly, Electronic Device and Fingerprint Acquisition Method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821777832.4U CN209086953U (en) | 2018-10-30 | 2018-10-30 | Fingerprint mould group and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209086953U true CN209086953U (en) | 2019-07-09 |
Family
ID=67121693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821777832.4U Active CN209086953U (en) | 2018-10-30 | 2018-10-30 | Fingerprint mould group and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209086953U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020088129A1 (en) * | 2018-10-30 | 2020-05-07 | Oppo广东移动通信有限公司 | Fingerprint module, electronic device and fingerprint acquisition method |
| US11798313B2 (en) | 2019-09-20 | 2023-10-24 | Vivo Mobile Communication Co., Ltd | Fingerprint identification module and electronic device |
-
2018
- 2018-10-30 CN CN201821777832.4U patent/CN209086953U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020088129A1 (en) * | 2018-10-30 | 2020-05-07 | Oppo广东移动通信有限公司 | Fingerprint module, electronic device and fingerprint acquisition method |
| US11798313B2 (en) | 2019-09-20 | 2023-10-24 | Vivo Mobile Communication Co., Ltd | Fingerprint identification module and electronic device |
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