CN111062017A - Fingerprint module and terminal - Google Patents
Fingerprint module and terminal Download PDFInfo
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- CN111062017A CN111062017A CN201911066835.6A CN201911066835A CN111062017A CN 111062017 A CN111062017 A CN 111062017A CN 201911066835 A CN201911066835 A CN 201911066835A CN 111062017 A CN111062017 A CN 111062017A
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 68
- 229910052742 iron Inorganic materials 0.000 claims abstract description 34
- 239000000463 material Substances 0.000 claims abstract description 14
- 238000003384 imaging method Methods 0.000 claims description 27
- 239000000126 substance Substances 0.000 claims description 3
- 230000004308 accommodation Effects 0.000 abstract description 5
- 239000012528 membrane Substances 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 18
- 230000006870 function Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 238000004590 computer program Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/13338—Input devices, e.g. touch panels
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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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- Crystallography & Structural Chemistry (AREA)
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- Human Computer Interaction (AREA)
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- General Engineering & Computer Science (AREA)
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Abstract
The embodiment of the application discloses fingerprint module sets up in the terminal, includes: fingerprint light source and fingerprint image part, wherein, the fingerprint light source sets up in the accommodation space between the complete machine center at terminal and the membrane material in a poor light at terminal for the fingerprint collection region of the LCD screen at terminal provides the light source, the fingerprint image part sets up between the complete machine center at terminal and the iron casing in a poor light at terminal, be used for receiving the regional reverberation of fingerprint collection from the LCD screen at terminal, image to the reverberation and obtain the fingerprint image, this application embodiment still provides a terminal simultaneously.
Description
Technical Field
The application relates to a light filling technique of fingerprint module in the terminal, especially relates to a fingerprint module and terminal.
Background
At present, with the upgrading of smart phones, the demand of a terminal for identifying fingerprints under a screen is more and more strong, so that the development of fingerprints under a screen is promoted, currently, fingerprints under a screen are mainly applied to an organic light-Emitting display (OLED) screen, the OLED screen is a self-luminous screen, and a sensor is placed on the back of the screen by utilizing the self-luminous property of materials to realize the collection and identification of fingerprint images.
The current under-screen fingerprint of the OLED screen utilizes the self-luminous characteristic of the screen, but when the OLED screen is applied to a Liquid Crystal Display (LCD) screen, because the LCD screen needs to utilize a backlight source to emit light, the current optical fingerprint scheme cannot be applied to the LCD screen, resulting in poor fingerprint identification performance of the LCD screen.
Disclosure of Invention
The embodiment of the application provides a fingerprint module and a terminal, and aims to improve the fingerprint identification performance of an LCD screen.
The technical scheme of the application is realized as follows:
the embodiment of the application provides a fingerprint module, sets up in the terminal, includes: a fingerprint light source and a fingerprint imaging section; wherein the content of the first and second substances,
the fingerprint light source is arranged in an accommodating space between a backlight film material of the terminal and a whole middle frame of the terminal and is used for providing a light source for a fingerprint acquisition area of an LCD screen of the terminal;
the fingerprint imaging part is arranged between the whole middle frame of the terminal and the backlight iron shell of the terminal and used for receiving reflected light from a fingerprint acquisition area of an LCD screen of the terminal and imaging the reflected light to obtain a fingerprint image.
The embodiment of the application further provides a terminal, and the fingerprint module of the terminal is the fingerprint module in one or more embodiments.
The embodiment of the application provides a fingerprint module and a terminal, wherein the fingerprint module is arranged in the terminal and comprises a fingerprint light source and a fingerprint imaging part, the fingerprint light source is arranged in an accommodating space between a backlight film material of the terminal and a middle frame of the whole machine and used for providing a light source for a fingerprint acquisition area of an LCD screen of the terminal, and the fingerprint imaging part is arranged between the terminal of the whole machine of the terminal and a backlight iron frame and used for receiving reflected light from the fingerprint acquisition area of the LCD screen of the terminal and imaging the reflected light to obtain a fingerprint image; that is to say, in this application embodiment, through with the fingerprint light source setting in the accommodation space between membrane material and the complete machine center in a poor light, on the basis of the package assembly of the hardware entity at not changing the terminal and each spare part, only place the fingerprint light source in original position that can hold the fingerprint light source, just can provide the light source to the fingerprint collection region, like this, make the reverberation of fingerprint formation of image part when receiving the collection fingerprint that can be better, thereby the imaging effect of fingerprint image has been improved, and then the performance of fingerprint module has been improved.
Drawings
Fig. 1 is a schematic structural diagram of an optional fingerprint module according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of another alternative fingerprint module provided in the embodiment of the present application;
fig. 3 is a schematic structural diagram of another alternative fingerprint module according to an embodiment of the present disclosure;
fig. 4 is a top view of an alternative terminal provided in an embodiment of the present application;
fig. 5 is a schematic cross-sectional view of an alternative terminal provided in an embodiment of the present application;
fig. 6 is a schematic structural diagram of an alternative terminal according to an embodiment of the present disclosure;
fig. 7 is a schematic structural diagram of an example of an alternative terminal provided in an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application.
Example one
The embodiment of the application provides a fingerprint module, and fig. 1 is the schematic structural diagram of an optional fingerprint module that this embodiment of the application provided, and it is shown with reference to fig. 1 that this fingerprint module sets up in the terminal, and this fingerprint module can include: a fingerprint light source 11 and a fingerprint imaging section 12; wherein the content of the first and second substances,
the fingerprint light source 11 is arranged in an accommodating space between the backlight film 13 of the terminal and the whole machine middle frame 14 of the terminal and is used for providing a light source for a fingerprint acquisition area 151 of the LCD screen 15 of the terminal;
the fingerprint imaging part 12 is arranged between the whole machine middle frame 14 of the terminal and the backlight iron shell 16 of the terminal, and is used for receiving reflected light from the fingerprint acquisition area 151 of the LCD screen 15 of the terminal and imaging the reflected light to obtain a fingerprint image.
At present, the self-luminous characteristic of the screen is utilized for the underscreen fingerprint of the OLED screen, and the backlight source is required to be utilized for the LCD screen to emit light, so the fingerprint identification technology of the LCD screen is affected, and in order to improve the fingerprint identification technology of the LCD screen, the fingerprint module is provided in the present embodiment, the fingerprint light source 11 is arranged in the terminal, and the fingerprint light source 11 is arranged in the accommodating space between the backlight film material 13 of the terminal and the whole machine middle frame 14 of the terminal, wherein, it should be noted here that, between the backlight film material 13 of the terminal and the whole machine middle frame 14 of the terminal, the backlight iron shell 16 of the terminal and the flexible printed circuit board of the terminal are arranged, the accommodating space can be the accommodating space between the backlight iron shell 16 of the terminal and the flexible printed circuit board of the terminal as a whole, or the accommodating space between the backlight iron shell 13 of the terminal and the whole machine middle frame 14 of the terminal except the backlight iron shell 16 of the terminal and the flexible printed, here, the embodiment of the present application is not particularly limited to this.
In addition, the volume of the accommodating space is larger than or equal to the volume occupied by the fingerprint light source, so that the fingerprint light source can be arranged in the accommodating space, and the light source is provided for the fingerprint identification process under the conditions that the volume of the terminal is not expanded and the volume and the spacing distance of each part of the terminal are not reduced.
In the embodiment of the present application, by using the principle of reflection of light, the light emitted from the light source is irradiated to the fingerprint collection area of the LCD screen 15 of the terminal through the fingerprint light source 11, so that in the process of fingerprint collection, the light is emitted to the fingerprint imaging part 12, and at this time, the reflected light can be received on the fingerprint imaging part 12, and the reflected light can be imaged to obtain a fingerprint image.
It should be noted that, in order to enable the light source to be reflected by the fingerprint collection area, during the light transmission process, since the backlight iron casing 16 of the terminal cannot transmit light, a hole needs to be formed in the backlight iron casing 16 along the light transmission path so as to enable the light emitted by the fingerprint light source 11 to be reflected onto the fingerprint imaging component 12 during the fingerprint identification process.
In order to position the fingerprint light source 11 in a suitable position, in an alternative embodiment, the fingerprint light source 11 is positioned in a receiving space formed by a flexible printed circuit board of the terminal and a back-lit iron housing 16 of the terminal.
Fig. 2 is a schematic structural diagram of another optional fingerprint module provided in this embodiment of the application, and as shown in fig. 2, a backlight film 13, a backlight iron shell 16 and a flexible printed circuit board 17 are sequentially disposed on one side of an LCD screen 15 of a terminal, which is close to the inside of the terminal, where the U-shaped flexible printed circuit board 17 and the backlight iron shell 16 are disposed adjacent to each other, so that a U-shaped groove can be formed between the backlight iron shell 16 and the flexible printed circuit board 17 of the terminal, and then, the fingerprint light source 11 can be disposed in the U-shaped groove formed between the flexible printed circuit board 17 of the terminal and the backlight iron shell 16 of the terminal.
It is understood that, due to the flexibility of the flexible printed circuit board 17, the volume of the accommodating space between the backlight iron shell 16 of the terminal and the flexible printed circuit board 17 of the terminal may be regular, for example, U-shaped, or irregular, and this is not limited in this embodiment.
In order to position the fingerprint light source 11 in a suitable position, in an alternative embodiment the fingerprint light source 11 is positioned in a receiving space inside the back-lit iron housing 16 of the terminal.
Fig. 2 is a schematic structural diagram of another optional fingerprint module provided in an embodiment of the present application, and as shown in fig. 3, a backlight film 13, a backlight iron shell 16 and a flexible printed circuit board 17 are sequentially disposed on one side of an LCD screen 15 of a terminal, which is close to the inside of the terminal, where an accommodating space capable of accommodating a fingerprint light source 11 exists in the backlight iron shell 16, and then, the fingerprint light source 11 may be placed in the accommodating space inside the backlight iron shell 16 of the terminal.
It can be understood that the backlight iron case 16 is mainly used for the heat dissipation function of the LCD screen 15 backlight of the terminal and the structural fixing screen, so as to provide the whole structural support function, and then, the inside of the backlight iron case 16 is generally hollow, so that the fingerprint light source 11 can be accommodated, wherein the accommodating space inside the backlight iron case 16 of the terminal may be regular or irregular, and this is not specifically limited in this embodiment of the present application.
In order to provide a good light source for the fingerprint identification process, in an alternative embodiment, the fingerprint light source is an infrared LED lamp.
Particularly, infrared LED lamp is because illumination intensity is insufficient and the image is virtual burnt appearing at night for solving the camera, dim, phenomenon research and development such as noise point, infrared LED mainly is applied to license plate discernment light filling, the electronic police makes a dash across the red light, the district, the access & exit place of mill etc., and, infrared LED lamp installation and debugging are convenient, the control does not close the low power dissipation of lamp, high efficiency, can be long bright, long service life, the low power dissipation, light in weight, small, simple to operate, can install to the accommodation space between the whole machine center 14 at terminal and the membrane material 13 at terminal in a poor light, on the basis that does not change original terminal structure size of volume, improve fingerprint identification's performance.
In order to enable the fingerprint light source 11 to provide a light source during fingerprint identification, in an alternative embodiment, the fingerprint light source 11 is connected to a flexible printed circuit board of the terminal, so that the terminal controls the fingerprint light source.
That is, the fingerprint light source 11 is connected to the flexible printed circuit board of the terminal through the fingerprint light source 11, so that the flexible printed circuit board of the terminal directly controls the fingerprint light source 11.
In practical application, usually, when a user uses a terminal, the user needs to unlock the terminal through a fingerprint to use the mobile phone or use a function with a permission in the mobile phone, then, after the user sends an unlocking operation, a processor of the terminal generates an opening instruction for the fingerprint light source 11 according to the received unlocking operation, then the processor of the terminal lights up the fingerprint light source 11 through the flexible printed circuit board, and after the unlocking is completed, the processor of the terminal extinguishes the fingerprint light source 11 through the flexible printed circuit board.
The fingerprint module according to one or more of the above embodiments is described below by way of example.
Fig. 4 is a top view of an alternative terminal according to an embodiment of the present disclosure, as shown in fig. 4, an LCD screen of the terminal includes an area a, which is a fingerprint acquisition area, and an area B in the figure is a frame non-light-transmitting area, which corresponds to a whole middle frame of the terminal; in order to supplement light for a fingerprint collection area in the embodiment, an infrared LED lamp is arranged in an accommodating space between a backlight film arranged on one side of an LCD screen close to the inside of the terminal and a middle frame of the whole machine.
Fig. 5 is a schematic cross-sectional view of an optional terminal provided in an embodiment of the present application, as shown in fig. 5, a backlight film material is sequentially disposed on one side of an LCD screen of the terminal, the backlight iron shell, a flexible printed circuit board and a complete machine middle frame, the fingerprint module includes an LED and a fingerprint imaging component, the complete machine middle frame is mainly used for fixing the screen and providing a complete machine structural support function, the backlight iron shell is mainly used for a heat dissipation function and a structural support function of the LCD screen backlight, the backlight film material includes a diffusion film, a reflection film, a prism film and the like, the backlight film material is mainly used for converging light rays of a divergent LED (a light source of the LCD screen, generally, a white light LED lamp) into light rays which are vertically transmitted upwards, and the LCD screen is mainly used for displaying.
The LED lamp is placed in a U-shaped groove formed by the flexible printed circuit board and the backlight iron shell, the fingerprint imaging part is arranged on the middle frame of the whole machine, and holes are formed in the backlight iron shell, so that the light source of the LED lamp can provide a light source for a fingerprint acquisition area, emitted light is transmitted to the fingerprint imaging part, and in addition, the LED lamp is connected to the flexible printed circuit board, so that the flexible printed circuit board controls the LED lamp to be turned on or turned off.
In practical application, when the user at terminal places the fingerprint collection of LCD screen with the finger in the fingerprint collection region, the flexible circuit board control LED lamp at terminal lights, propagates along the direction light of arrow point in figure 5, carries out the light filling to fingerprint collection region, and with its transmission to fingerprint imaging component on, make fingerprint imaging component can form images the reverberation and obtain the fingerprint image, thereby accomplished the collection to the fingerprint image, be favorable to accomplishing the fingerprint and solve the fingerprint
Adopt LED to carry out the light filling through above-mentioned example, can put down the screen unblock under the condition of not lighting backlight, only need trigger the unblock demand, can only use the LED lamp to produce a facula, indicate the unblock region to the user, and then accomplish the unblock operation, reduce the consumption of display screen, optimize duration, and, the LED lamp is placed in original accommodation space, side income formula light filling, fingerprint formation of image part is located under the screen, do not influence the volume of complete machine structure and each part, put down the screen unblock, reduce and show the consumption.
The embodiment of the application provides a fingerprint module, which is arranged in a terminal and comprises a fingerprint light source and a fingerprint imaging part, wherein the fingerprint light source is arranged in an accommodating space between a backlight film material of the terminal and a middle frame of a whole machine and used for providing a light source for a fingerprint acquisition area of an LCD screen of the terminal; that is to say, in this application embodiment, through with the fingerprint light source setting in the accommodation space between membrane material and the complete machine center in a poor light, on the basis of the package assembly of the hardware entity at not changing the terminal and each spare part, only place the fingerprint light source in original position that can hold the fingerprint light source, just can provide the light source to the fingerprint collection region, like this, make the reverberation of fingerprint formation of image part when receiving the collection fingerprint that can be better, thereby the imaging effect of fingerprint image has been improved, and then the performance of fingerprint module has been improved.
Example two
Fig. 6 is a schematic structural diagram of an optional terminal according to an embodiment of the present disclosure, and as shown in fig. 6, an embodiment of the present disclosure provides a terminal 600, where the terminal 600 includes the fingerprint module according to one or more embodiments described above.
In order to enable the fingerprint light source to provide a light source for the fingerprint collection area and enable the reflected light to be transmitted to the fingerprint imaging component, in an alternative embodiment, a through hole is arranged on a backlight iron shell of the terminal along a transmission path of the fingerprint light source, so that the fingerprint light source provides a light source for the fingerprint collection area of the terminal, and the fingerprint imaging component receives the reflected light from the fingerprint collection area of an LCD screen of the terminal and images the reflected light to obtain a fingerprint image.
Fig. 7 is a schematic structural diagram of an example of an alternative terminal provided in the embodiment of the present application, and as shown in fig. 7, when the LED lamp is placed in the position shown in fig. 4, a hole is correspondingly formed in the backlight iron casing along a propagation path of the LED lamp, so that the LED or the like can irradiate the fingerprint collection area, and at the same time, a hole is formed in the backlight iron casing, so that the emitted light can be emitted to the fingerprint imaging component.
Terminal in order to realize the control of the fingerprint module, in an alternative embodiment, when the fingerprint light source is connected to the flexible printed circuit board of the terminal,
when the LCD screen of the terminal receives an unlocking operation, the processor of the terminal is used for generating a first opening instruction according to the unlocking operation; accordingly, the number of the first and second electrodes,
the flexible printed circuit board of the terminal is used for executing a first opening instruction so as to light the fingerprint light source.
That is to say, the fingerprint light source is connected to the flexible printed circuit board of the terminal, so that the flexible printed circuit board can directly turn on or turn off the fingerprint light source, for example, when the LCD screen of the terminal detects that a user needs to unlock a fingerprint, the processor of the terminal generates a first opening instruction according to an unlocking operation, wherein the first opening instruction is used for controlling the flexible printed circuit board to turn on the fingerprint light source to complete fingerprint unlocking.
In order to realize the control of the fingerprint module, in an optional embodiment, when the LCD screen of the terminal is successfully unlocked, the processor of the terminal is configured to generate a close instruction; accordingly, the number of the first and second electrodes,
and the flexible printed circuit board of the terminal is used for executing a closing instruction so as to extinguish the fingerprint light source.
Similarly, the fingerprint light source is connected to the flexible printed circuit board of the terminal, so that the flexible printed circuit board can directly turn on or turn off the fingerprint light source, for example, when the LCD screen of the terminal detects that the user successfully completes fingerprint unlocking, the processor of the terminal generates a turn-off instruction, wherein the turn-off instruction is used for controlling the flexible printed circuit board to turn off the fingerprint light source, so that the fingerprint light source is timely turned off, and the power consumption of the terminal is saved.
In order to realize the control of the fingerprint module, in an alternative embodiment, when the fingerprint light source and the light source of the LCD screen of the terminal are both connected to the flexible printed circuit board of the terminal,
when the LCD of the terminal receives the unlocking operation, the processor of the terminal is used for generating a second opening instruction according to the unlocking operation; accordingly, the number of the first and second electrodes,
the flexible printed circuit board is used for executing a second opening instruction so as to light the fingerprint light source and part of light sources of the LCD screen of the terminal;
and part of light sources of the LCD screen are light sources corresponding to fingerprint acquisition areas in the light sources of the LCD screen.
That is to say, the light source of fingerprint light source and LCD screen all is connected to on the flexible printed circuit board at terminal, like this, flexible printed circuit board can directly light or extinguish the light source of fingerprint light source and LCD screen, for example, when the LCD screen at terminal detects that the user needs to carry out the fingerprint unblock, the treater at terminal opens the instruction according to unblock operation generation second, wherein, this second is opened the instruction and is used for controlling flexible printed circuit board not only to light the fingerprint light source, still light the light source of the LCD screen near fingerprint collection region, and like this, the regional luminance of fingerprint collection has further been strengthened, provide stronger light source for the fingerprint unblock, more be favorable to improving fingerprint identification's performance.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of a hardware embodiment, a software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The above description is only a preferred embodiment of the present application, and is not intended to limit the scope of the present application.
Claims (10)
1. The utility model provides a fingerprint module, its characterized in that sets up in the terminal, includes: a fingerprint light source and a fingerprint imaging section; wherein the content of the first and second substances,
the fingerprint light source is arranged in an accommodating space between a backlight film material of the terminal and a whole middle frame of the terminal and is used for providing a light source for a fingerprint acquisition area of an LCD screen of the terminal;
the fingerprint imaging part is arranged between the whole middle frame of the terminal and the backlight iron shell of the terminal and used for receiving reflected light from a fingerprint acquisition area of an LCD screen of the terminal and imaging the reflected light to obtain a fingerprint image.
2. The fingerprint module of claim 1, wherein the fingerprint light source is disposed in a receiving space formed by a flexible printed circuit board of the terminal and a backlight iron case of the terminal.
3. The fingerprint module of claim 1, wherein the fingerprint light source is disposed in an accommodating space inside a backlight iron case of the terminal.
4. The fingerprint module of claim 1, wherein the fingerprint light source is an infrared LED lamp.
5. The fingerprint module of claim 1, wherein the fingerprint light source is connected to a flexible printed circuit board of the terminal, so that the terminal controls the fingerprint light source.
6. A terminal, characterized in that the fingerprint module of the terminal is the fingerprint module of any one of the preceding claims 1 to 5.
7. The terminal according to claim 6, wherein a through hole is provided on a back-light iron case of the terminal along a propagation path of the fingerprint light source, so that the fingerprint light source provides a light source for a fingerprint collection area of the terminal, and so that the fingerprint imaging part receives reflected light from the fingerprint collection area of an LCD screen of the terminal, and images the reflected light to obtain a fingerprint image.
8. A terminal according to claim 6, wherein when the fingerprint light source is connected to a flexible printed circuit board of the terminal,
when the LCD screen of the terminal receives an unlocking operation, the processor of the terminal is used for generating a first opening instruction according to the unlocking operation; accordingly, the number of the first and second electrodes,
and the flexible printed circuit board of the terminal is used for executing the first opening instruction so as to light the fingerprint light source.
9. The terminal of claim 8, wherein the processor of the terminal is configured to generate a shutdown command when the LCD screen of the terminal is successfully unlocked; accordingly, the number of the first and second electrodes,
and the flexible printed circuit board of the terminal is used for executing the closing instruction so as to extinguish the fingerprint light source.
10. A terminal according to claim 6, characterized in that when the fingerprint light source and the light source of the LCD screen of the terminal are both connected to the flexible printed circuit board of the terminal,
when the LCD of the terminal receives an unlocking operation, the processor of the terminal is used for generating a second opening instruction according to the unlocking operation; accordingly, the number of the first and second electrodes,
the flexible printed circuit board is used for executing the second opening instruction so as to light the fingerprint light source and part of light sources of an LCD screen of the terminal;
and part of light sources of the LCD screen are light sources corresponding to the fingerprint acquisition area in the light sources of the LCD screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911066835.6A CN111062017A (en) | 2019-11-04 | 2019-11-04 | Fingerprint module and terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911066835.6A CN111062017A (en) | 2019-11-04 | 2019-11-04 | Fingerprint module and terminal |
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| CN111062017A true CN111062017A (en) | 2020-04-24 |
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| CN201911066835.6A Pending CN111062017A (en) | 2019-11-04 | 2019-11-04 | Fingerprint module and terminal |
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| CN107291163A (en) * | 2017-06-29 | 2017-10-24 | 珠海市魅族科技有限公司 | Display module and terminal |
| CN109564629A (en) * | 2018-10-15 | 2019-04-02 | 深圳市汇顶科技股份有限公司 | Finger print detection device and terminal device with fingerprint identification function |
| CN109690372A (en) * | 2018-12-04 | 2019-04-26 | 深圳市汇顶科技股份有限公司 | Backlight module, liquid crystal module, fingerprint identification device and mould group, mobile terminal |
| CN110376780A (en) * | 2019-07-20 | 2019-10-25 | 深圳阜时科技有限公司 | Shield lower detection system, liquid crystal display device and backlight module |
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