CN207282497U - A kind of image sensing cell, imaging sensor and display device - Google Patents
A kind of image sensing cell, imaging sensor and display device Download PDFInfo
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- CN207282497U CN207282497U CN201721318253.9U CN201721318253U CN207282497U CN 207282497 U CN207282497 U CN 207282497U CN 201721318253 U CN201721318253 U CN 201721318253U CN 207282497 U CN207282497 U CN 207282497U
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Abstract
The utility model is suitable for image sensing technical field, there is provided a kind of image sensing cell, imaging sensor and display device, including photo-sensitive cell, transmission region and light tight region, the photo-sensitive cell are arranged on the light tight region；The transmission region at least can pass through visible ray and infrared light, and the photo-sensitive cell receives the infrared light of object reflection and is converted to electric signal.The utility model embodiment is by providing a kind of image sensing cell for including photo-sensitive cell, transmission region and light tight region, make transmission region through permeable visible ray and infrared light, photo-sensitive cell is received the infrared light of object reflection and be converted to electric signal, so that image sensing cell possesses visible light transmission function and infrared light acquisition function, so as to realize the good compatible of the image sensing cell and display screen, and biometric image can also be collected when putting out screen.
Description
Technical field
The utility model belongs to image sensing technical field, more particularly to a kind of image sensing cell, imaging sensor and
Display device.
Background technology
With the continuous development of scientific technology, the biometric image such as fingerprint recognition, face recognition, hand vein recognition, iris recognition
Sensing technology is widely used in the intelligent terminals such as mobile phone, sign-in machine of checking card, door lock, improves the security performance of intelligent terminal.
However, existing optical bio imaging sensor usually all cannot be compatible with the display screen of terminal, the life of some optics
Although thing sensor can be compatible with display screen, when putting out screen, biometric image can not be effectively gathered.
The content of the invention
In view of this, the utility model embodiment provides a kind of image sensing cell, imaging sensor and display device,
Usually all cannot be compatible with the display screen of terminal to solve existing optical bio imaging sensor, some optical biosensors
Although can be compatible with display screen, when putting out screen, the problem of can not effectively gathering biometric image.
The first aspect of the utility model embodiment provides a kind of image sensing cell, it includes photo-sensitive cell, printing opacity
Region and light tight region, the photo-sensitive cell are arranged on the light tight region；
The transmission region at least can pass through visible ray and infrared light, and the photo-sensitive cell receives the infrared light of object reflection
And be converted to electric signal.
In one embodiment, the photo-sensitive cell includes photodiode, photo resistance, charge coupled cell or complementation
Any of metal-oxide semiconductor (MOS).
The second aspect of the utility model embodiment provides a kind of imaging sensor, it includes the substrate of printing opacity and multiple
Above-mentioned image sensing cell, described multiple images sensing unit array formula are arranged in the surface of the substrate.
In one embodiment, the substrate is glass substrate or modeling base flexible substrate.
In one embodiment, the photo-sensitive cell is electrically connected with external signal processing module, the infrared light emission mould
Block is electrically connected with outer blaze drive module；
The luminous drive module controls the infrared light emission module transmitting infrared light, and the photo-sensitive cell receives object
The infrared light of reflection is simultaneously converted to electric signal, and the signal processing module is handled to obtain digital signal to the electric signal.
In one embodiment, described image sensor further includes equal with described multiple images sensing unit quantity more
A electronic switch unit, each photo-sensitive cell are corresponded with an electronic switch unit and are electrically connected, the electronics
Switch element is connected between the photo-sensitive cell and the signal processing module；
The electronic switch unit incoming control signal, its corresponding photo-sensitive cell and institute are controlled according to the control signal
Signal processing module is stated to be connected or disconnected with connecting.
In one embodiment, the signal processing module includes signal amplification unit and data processing unit, the letter
Number amplifying unit is electrically connected with the photo-sensitive cell and the data processing unit；
The signal amplification unit is amplified the electric signal, and the data processing unit is by the amplified electricity
Signal processing is digital signal.
In one embodiment, the signal processing module further includes filter unit, the filter unit and the signal
Amplifying unit and the data processing unit are electrically connected；
The filter unit is filtered the amplified electric signal, and the data processing unit is by filtered institute
It is digital signal to state Electric signal processing.
The third aspect of the utility model embodiment provides a kind of display device, it include backlight module, display module,
Display control module, optical filter, signal processing module and above-mentioned imaging sensor, the backlight module include the driving mould that shines
Block, uniform light board and infrared light emission module；
The backlight module, the display control module, the display module and the optical filter are cascading, institute
State imaging sensor be arranged between the optical filter and the display module or the display module and the backlight module it
Between, the area of described image sensor is less than or equal to the area of the display module, the display control module and described aobvious
Show that module is electrically connected, the signal processing module is electrically connected with described image sensor, the luminous drive module with it is described red
Outer light emission module is electrically connected, and the optical filter can pass through light infrared light and visible ray；
When the signal processing module controls the infrared light emission module unlatching, the infrared light emission module transmitting is red
Outer light, uniform emission after uniform light board described in the infrared light, display control module described in uniformly emitted infrared light,
The transmission region and the optical filter of the display module and described image sensor, the light that the optical filter reflects object
Signal be obtained by filtration the infrared light of reflection, and described image sensor receives the infrared light of the reflection and is converted to telecommunications
Number, the Electric signal processing is digital signal by the signal processing module；
The display control module controls the display module to send visible ray, the visible light-transmissive described image sensing
The transmission region of device and the optical filter are launched.
The fourth aspect of the utility model embodiment provides a kind of display device, it include backlight module, display module,
Display control module, optical filter, signal processing module and above-mentioned imaging sensor, the backlight module include the driving mould that shines
Block, uniform light board, VISIBLE LIGHT EMISSION module and the infrared light emission module；
The backlight module, the display control module, the display module and the optical filter are cascading, institute
State imaging sensor be arranged between the optical filter and the display module or the display module and the backlight module it
Between, the area of described image sensor is less than or equal to the area of the display module, the display control module and described aobvious
Show that module is electrically connected, the signal processing module is electrically connected with described image sensor, the luminous drive module and it is described can
See that light emission module and the infrared light emission module are electrically connected, the optical filter can pass through light infrared light and visible ray；
When the luminous drive module controls the infrared light emission module unlatching, the infrared light emission module transmitting is red
Outer light, uniform emission after uniform light board described in the infrared light, the display control module control the display module to pass through
The uniformly emitted infrared light, the uniformly emitted infrared light is also through the transmission region of described image sensor and described
Optical filter, the optical filter to the optical signal that object reflects be obtained by filtration the infrared light of reflection, and described image sensor connects
Receive the infrared light of the reflection and be converted to electric signal, the Electric signal processing is digital signal by the signal processing module；
When the luminous drive module controls the VISIBLE LIGHT EMISSION module unlatching, the VISIBLE LIGHT EMISSION module transmitting can
See light, the display control module controls the display module to show, the printing opacity of the visible light-transmissive described image sensor
Region and the optical filter are launched.
The utility model embodiment is passed by providing a kind of image including photo-sensitive cell, transmission region and light tight region
Feeling unit, making transmission region photo-sensitive cell is received the infrared light of object reflection simultaneously through can pass through visible ray and infrared light
Be converted to electric signal so that image sensing cell possesses visible light transmission function and infrared light acquisition function, so as to realize
The image sensing cell is good compatible with display screen, and biometric image can also be collected when putting out screen.
Brief description of the drawings
, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing is briefly described needed in description, it should be apparent that, drawings in the following description are only that this practicality is new
Some embodiments of type, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structure diagram for the image sensing cell that the utility model embodiment one provides；
Fig. 2 is the structure diagram for the imaging sensor that the utility model embodiment two provides；
Fig. 3 is the structure diagram for the imaging sensor that the utility model embodiment three provides；
Fig. 4 is the structure diagram for the imaging sensor that the utility model embodiment four provides；
Fig. 5 is the structure diagram for the display device that the utility model embodiment five provides；
Fig. 6 is the structure diagram for the display device that the utility model embodiment six provides.
Embodiment
In being described below, in order to illustrate rather than in order to limit, it is proposed that such as tool of particular system structure, technology etc
Body details, to understand thoroughly the utility model embodiment.However, it will be clear to one skilled in the art that there is no these
The utility model can also be realized in the other embodiments of detail.In other situations, omit to well-known system,
The detailed description of device, circuit and method, in case unnecessary details hinders the description of the utility model.
In order to illustrate technical solution described in the utility model, illustrated below by specific embodiment.
Embodiment one：
As shown in Figure 1, one embodiment of the utility model provides a kind of image sensing cell 100, it includes photosensitive member
Part 10, transmission region 20 and light tight region 30, the photo-sensitive cell 10 are arranged on light tight region 30；Transmission region 20 is at least
Visible ray and infrared light are can pass through, photo-sensitive cell 10 is used to receive the infrared light of object reflection and is converted to electric signal.
In a particular application, photo-sensitive cell can specifically include any type of electrooptical device, can also include with
The peripheral circuit of electrooptical device connection.
In one embodiment, photo-sensitive cell includes photodiode, photo resistance, charge coupled cell or complementary metal
Any of oxide semiconductor.
In a particular application, transmission region specifically refers at least pass through the transparent region of visible ray and infrared light, its
It can be made of transparent glass substrate, plastic base or any feasible light transmissive material.In one embodiment, transmission region
Other black lights, such as ultraviolet light can also be passed through.
In a particular application, light tight region can specifically be made of materials such as opaque plastics or carbon fibers.Transparent area
Domain with can not transmission region can be by integrated molding or by being formed a thin plate knot together with fitting closely in a manner of arbitrary
Structure, its shape can be usually arranged as required to, for example, circle, ellipse, rectangle etc..
Photo-sensitive cell 10, transmission region 20 and light tight region 30 are rectangle for exemplary showing in Fig. 1.
In a particular application, which can be applied to imaging sensor, as one in imaging sensor
A sensitive pixel elements.
In a particular application, the imaging sensor being made of the sensitive pixel elements can be applied to mobile phone, tablet computer,
Laptop, personal digital assistant etc. include the terminal of display screen, can be well compatible with the display screen of terminal so that display
Screen no matter bright screen or put out screen in the case of can have biometric image acquisition function.
In a particular application, display screen is specifically as follows any type of display device, for example, tft liquid crystal is shown
Show device (TFT-LCD, Thin Film Transistor-Liquid Crystal Display), OLED (Organic
Electroluminescence Display, Organic Electricity laser display) display, QLED (Quantum Dot Light
Emitting Diodes, light emitting diode with quantum dots) display etc..
Embodiment two：
As shown in Fig. 2, one embodiment of the utility model provides a kind of imaging sensor 200, it includes the base of printing opacity
Plate 210 and multiple images sensing unit 100,100 array of multiple images sensing unit are arranged in the surface of substrate 210, substrate
210 at least can pass through visible ray and infrared light.
In a particular application, substrate can be glass substrate, plastic base or transparent substrates made of other materials.
In one embodiment, substrate is glass substrate or modeling base flexible substrate.
In a particular application, multiple images sensing unit can be arranged into the array of arbitrary shape in substrate surface.For example,
Circular array, rectangular array, regular hexagon array etc..
As shown in Fig. 2, exemplary shows that imaging sensor 200 includes the image sensing cell array of one 4 × 4.
In concrete application, the number of the image sensing cell included by imaging sensor can be set according to being actually needed.
Embodiment three：
As shown in figure 3, in one embodiment of the utility model, photo-sensitive cell 10 and external signal processing module 300
It is electrically connected, infrared light emission module 400 is electrically connected with outer blaze drive module 410.
In a particular application, infrared light emission module can specifically include infrared diode, infrared LED lamp, infrared cold the moon
Pole fluorescent lamp or infrared LED lamp array row, can also include other peripheral circuits.
Exemplary in Fig. 3 to show that infrared light emission module 400 is infrared diode, photo-sensitive cell 10 is two pole of photoelectricity
Pipe.
In a particular application, signal processing module can be microcontroller, control chip, central processing unit (Central
Processing Unit, CPU), it can also be other general processors, digital signal processor (Digital Signal
Processor, DSP), it is application-specific integrated circuit (Application Specific Integrated Circuit, ASIC), existing
Into 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 that microprocessor or the processor also may be used
To be any conventional processor etc..
In the present embodiment, the drive module that shines is used to control infrared light emission module to launch infrared light, and photo-sensitive cell is used
In the infrared light for receiving object reflection and electric signal is converted to, signal processing module is used to electric signal is handled to obtain numeral
Signal.
In a particular application, luminous drive module can be light modulator, switching device, or can send pulse frequency control
Signal processed, to control infrared light emission module to send the pulse frequency modulator or chip of periodically pulsing infrared light, also may be used
To be the logic circuit with corresponding function.
Example IV：
As shown in figure 4, in one embodiment of the utility model, based on the structure shown in Fig. 3, imaging sensor 200
Further include the multiple electronic switch units 220 equal with 100 quantity of multiple images sensing unit, each photo-sensitive cell 10 and one
Electronic switch unit 220, which corresponds, to be electrically connected, and electronic switch unit 220 is connected to photo-sensitive cell 10 and signal processing module
Between 300.
It is merely exemplary in Fig. 4 to show an electronic switch unit 220 and a photosensitive unit 10.
In the present embodiment, electronic switch unit is used for incoming control signal, and controls its corresponding according to control signal
Photo-sensitive cell and signal processing module are connected or disconnected with connecting, when photo-sensitive cell is connected with signal processing module, signal processing
The electric signal that module exports photo-sensitive cell is handled to obtain digital signal, and when disconnecting, signal emission module does not shine.
In a particular application, electronic switch unit can specifically include any type of at least one electronic switch, such as
Triode, field-effect transistor etc. have the component of electronic switching, can also include other peripheral circuits.
It is exemplary in Fig. 4 to show that electronic switch unit 220 is field-effect transistor.
As shown in figure 4, in the present embodiment, signal processing module 300 is specifically included at signal amplification unit 310 and data
Unit 320 is managed, signal amplification unit 310 is electrically connected with photo-sensitive cell 10 and data processing unit 320.
In the present embodiment, signal amplification unit is used to be amplified electric signal, and data processing unit is used for will amplification
Electric signal processing afterwards is digital signal.
In a particular application, signal amplification unit can be specifically signal amplifier or corresponding logic circuit, data
Processing unit can be analog-digital converter or the logic circuit with corresponding function, and data processing unit can be processor or tool
There is the logic circuit of corresponding function.
As shown in figure 4, in the present embodiment, signal processing module 300 further includes filter unit 330, filter unit 330 with
Signal amplification unit 320 and data processing unit 330 are electrically connected.
In the present embodiment, filter unit is used to be filtered amplified electric signal, and data processing unit is used for will
Filtered Electric signal processing is digital signal.
In a particular application, filter unit can specifically include the filtered electrical being made of filter capacitor and resistance in parallel
Road or other kinds of filter circuit or device.
Embodiment five：
As shown in figure 5, one embodiment of the utility model provides a kind of display device 1000, it includes backlight module
500th, display module 600, display control module 700, optical filter 800, signal processing module 300 and imaging sensor 200, backlight
Module 500 includes shine drive module (not shown), uniform light board 510 and infrared light emission module 400.
As shown in figure 5, in the present embodiment, backlight module 500, display control module 700, display module 600 and optical filtering
Piece 800 is cascading, and imaging sensor 200 is arranged between optical filter 800 and display module 600.
In a particular application, imaging sensor can also be arranged between display module and backlight module or and display module
It is arranged on same layer.In Fig. 5, exemplary shows that imaging sensor 200 is arranged between optical filter 800 and display module 600.
In a particular application, imaging sensor is picture of large image scale sensor, its area is suitable with the area of display module.
In one embodiment, the area of imaging sensor is less than or equal to the area of display module.
As shown in figure 5, the area of imaging sensor is equal to the area of display module in the present embodiment.
As shown in figure 5, in this example it is shown that control module 700 and display module 600 are electrically connected, signal processing mould
Block 300 is electrically connected with imaging sensor 200, and the drive module that shines is electrically connected with infrared light emission module 400, and optical filter 800 can
Through light infrared light and visible ray.
In the present embodiment, optical filter is used to filter the optical signal of object reflection, object is reflected infrared
Light transmission is to imaging sensor.
In a particular application, when carrying out biometric image collection, the effect of optical filter is reflection or absorption image
The unwanted optical signal of sensor institute, the infrared light needed through imaging sensor, during without infrared signature Image Acquisition, filter
Mating plate can pass through visible ray.Specifically, it can select the transmission region suitable with the wave-length coverage of infrared light or be closer to
Optical filter.
In one embodiment, optical filter is that the infrared three primary colours of permeable to infrared, feux rouges, green light and blue light filter
Piece.It is prepared by special coating process, can pass through infrared light, feux rouges, green light and blue light at the same time so that display module both may be used
To show tristimulus image, the optical bio image such as fingerprint, vein, iris can also be gathered.
In a particular application, display module is light-emitting diode display, OLED (Organic Electroluminescence
Display, Organic Electricity laser display) display or QLED (Quantum Dot Light Emitting Diodes, quantum dot
Light emitting diode) display.Display module can the self-luminous under the control of display control module.Therefore, in backlight module not
Need to set visible optical module, display device can also normally be shown.
In a particular application, infrared light emission module can be arranged on the bottom surface or side of uniform light board.
As shown in figure 5, exemplary shows that infrared light emission module is arranged on the side of uniform light board.
In this example it is shown that device 1000 further includes transparent cover plate 00.
In a particular application, transparent cover plate is specifically as follows glass cover-plate or touch-control display panel.
In the present embodiment, when the drive module that shines control infrared light emission module is opened, infrared light emission module transmitting
Infrared light, uniform emission after infrared light uniform light board, uniformly emitted infrared light display control module, display module and
The transmission region and optical filter of imaging sensor, optical filter to the optical signal that object reflects carry out that the infrared of reflection is obtained by filtration
Light, imaging sensor receive the infrared light of reflection and are converted to electric signal, and signal processing module believes Electric signal processing for numeral
Number；
Display control module control display module sends visible ray, it is seen that transmission region and filter of the light through imaging sensor
Mating plate is launched.
Imaging sensor can be realized in the display device that the present embodiment is provided merges with the good of display module so that
Display device either can realize the collection of biometric image under screen state in bright screen or put out, and imaging sensor can also answer
For comprehensive screen display device, the full frame biometric image acquisition function of comprehensive screen display device is realized.
Embodiment six：
As shown in fig. 6, one embodiment of the utility model provides a kind of display device 2000, it includes backlight module
500th, display module 600, display control module 700, optical filter 800, signal processing module 300 and imaging sensor 200, backlight
Module 500 includes shine drive module (not shown), uniform light board 510, VISIBLE LIGHT EMISSION module 900 and infrared light emission mould
Block 400.
As shown in fig. 6, in the present embodiment, backlight module 500, display control module 700, display module 600 and optical filtering
Piece 800 is cascading, and imaging sensor 200 is arranged between optical filter 800 and display module 600.
In a particular application, imaging sensor can also be arranged between display module and backlight module or and display module
It is arranged on same layer.In Fig. 6, exemplary shows that imaging sensor 200 is arranged between optical filter 800 and display module 600.
In a particular application, imaging sensor is picture of large image scale sensor, its area is suitable with the area of display module.
In one embodiment, the area of imaging sensor is less than or equal to the area of display module.
As shown in fig. 6, the area of imaging sensor is equal to the area of display module in the present embodiment.
As shown in fig. 6, in this example it is shown that control module 700 and display module 600 are electrically connected, signal processing mould
Block 300 is electrically connected with imaging sensor 200, the drive module that shines and VISIBLE LIGHT EMISSION module and the electricity of infrared light emission module 400
Connection, optical filter 800 can pass through light infrared light and visible ray.
In the present embodiment, optical filter is used to filter the optical signal of object reflection, object is reflected infrared
Light transmission is to imaging sensor.
In a particular application, when carrying out biometric image collection, the effect of optical filter is reflection or absorption image
The unwanted optical signal of sensor institute, the infrared light needed through imaging sensor, during without infrared signature Image Acquisition, filter
Mating plate can pass through visible ray.Specifically, it can select the transmission region suitable with the wave-length coverage of infrared light or be closer to
Optical filter.
In one embodiment, optical filter is that the infrared three primary colours of permeable to infrared, feux rouges, green light and blue light filter
Piece.It is prepared by special coating process, can pass through infrared light, feux rouges, green light and blue light at the same time so that display module both may be used
To show that tristimulus image can also gather the optical bio image such as fingerprint, vein, iris.
In a particular application, display module is Thin Film Transistor-LCD (TFT-LCD, Thin Film
Transistor-Liquid Crystal Display), corresponding, display control module is specially TFT (Thin Film
Transistor, thin film transistor (TFT)) LCD drive chip.Display control module is applied to the voltage of display module by adjusting
Size, adjusts the direction of optic axis of the liquid crystal particle in display module, to control display module to show.
In a particular application, it is seen that light emission module can specifically include LED light, cold-cathode fluorescence lamp or LED light array
Or other peripheral circuits.
In a particular application, it is seen that light emission module and infrared light emission module can be arranged on the bottom surface or side of uniform light board
Face.
As shown in fig. 6, exemplary shows that VISIBLE LIGHT EMISSION module 900 and infrared light emission module 400 are arranged on even light
The side of plate.
In this example it is shown that device 2000 further includes transparent cover plate 00.
In a particular application, transparent cover plate is specifically as follows glass cover-plate or touch-control display panel.
In the present embodiment, when the drive module that shines control infrared light emission module is opened, infrared light emission module transmitting
Infrared light, uniform emission after infrared light uniform light board, display control module control display module is through uniformly emitted infrared
Light, uniformly emitted infrared light also pass through the transmission region and optical filter of imaging sensor, the light letter that optical filter reflects object
Number be obtained by filtration the infrared light of reflection, the infrared light that imaging sensor receives reflection is simultaneously converted to electric signal, signal processing
Electric signal processing is digital signal by module；
When the drive module that shines control VISIBLE LIGHT EMISSION module is opened, it is seen that light emission module launches visible ray, display control
Molding block control display module is shown, it is seen that light is launched through the transmission region and optical filter of imaging sensor.
The display device that the present embodiment is combined by providing a kind of picture of large image scale sensor and display module, without electricity
Appearance formula touch signal harvester, can realize the full frame biometric image acquisition function of display device, can be applied to complete
Face display device.
Embodiment described above is only to illustrate the technical solution of the utility model, rather than its limitations；Although with reference to before
Embodiment is stated the utility model is described in detail, it will be understood by those of ordinary skill in the art that：It still can be with
Modify to the technical solution described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic；And
These modifications are replaced, and the essence of appropriate technical solution is departed from the spirit of various embodiments of the utility model technical solution
And scope, it should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of image sensing cell, it is characterised in that described photosensitive including photo-sensitive cell, transmission region and light tight region
Element is arranged on the light tight region；
The transmission region at least can pass through visible ray and infrared light, and the photo-sensitive cell receives the infrared light of object reflection and turns
It is changed to electric signal.
2. image sensing cell as claimed in claim 1, it is characterised in that the photo-sensitive cell includes photodiode, light
Any of quick resistance, charge coupled cell or complementary metal oxide semiconductor.
A kind of 3. imaging sensor, it is characterised in that substrate including printing opacity and multiple as described in 1 or 2 any one of claim
Image sensing cell, described multiple images sensing unit array formula is arranged in the surface of the substrate, and the substrate at least may be used
Through visible ray and infrared light.
4. imaging sensor as claimed in claim 3, it is characterised in that the substrate is bendable for glass substrate or modeling base
Substrate.
5. imaging sensor as claimed in claim 4, it is characterised in that the photo-sensitive cell and external signal processing module electricity
Connection, the infrared light emission module are electrically connected with outer blaze drive module；
The luminous drive module controls the infrared light emission module transmitting infrared light, and the photo-sensitive cell receives object reflection
Infrared light and be converted to electric signal, the signal processing module is handled to obtain digital signal to the electric signal.
6. imaging sensor as claimed in claim 5, it is characterised in that described image sensor further includes and the multiple figure
As the equal multiple electronic switch units of sensing unit quantity, each photo-sensitive cell and an electronic switch unit one
One corresponds to electrical connection, and the electronic switch unit is connected between the photo-sensitive cell and the signal processing module；
The electronic switch unit incoming control signal, its corresponding photo-sensitive cell and the letter are controlled according to the control signal
Number processing module is connected or disconnected with connecting.
7. such as 5 or 6 any one of them imaging sensor of claim, it is characterised in that the signal processing module includes letter
Number amplifying unit and data processing unit, the signal amplification unit are electrically connected with the photo-sensitive cell and the data processing unit
Connect；
The signal amplification unit is amplified the electric signal, and the data processing unit is by the amplified electric signal
Handle as digital signal.
8. imaging sensor as claimed in claim 7, it is characterised in that the signal processing module further includes filter unit,
The filter unit is electrically connected with the signal amplification unit and the data processing unit；
The filter unit is filtered the amplified electric signal, and the data processing unit is by the filtered electricity
Signal processing is digital signal.
9. a kind of display device, it is characterised in that including backlight module, display module, display control module, optical filter, signal
Processing module and claim 3~8 any one of them imaging sensor, the backlight module include the drive module, even of shining
Tabula rasa and infrared light emission module；
The backlight module, the display control module, the display module and the optical filter are cascading, the figure
As sensor is arranged between the optical filter and the display module or between the display module and the backlight module, institute
The area for stating imaging sensor is less than or equal to the area of the display module, the display control module and the display module
It is electrically connected, the signal processing module is electrically connected with described image sensor, and the luminous drive module is sent out with the infrared light
Module electrical connection is penetrated, the optical filter can pass through light infrared light and visible ray；
When the luminous drive module controls the infrared light emission module unlatching, the infrared light emission module transmitting is infrared
Light, uniform emission after uniform light board described in the infrared light, display control module, institute described in uniformly emitted infrared light
The transmission region of display module and described image sensor and the optical filter are stated, the light letter that the optical filter reflects object
Number be obtained by filtration the infrared light of reflection, the infrared light that described image sensor receives the reflection is simultaneously converted to electric signal,
The Electric signal processing is digital signal by the signal processing module；
The display control module controls the display module to send visible ray, the visible light-transmissive described image sensor
Transmission region and the optical filter are launched.
10. a kind of display device, it is characterised in that including backlight module, display module, display control module, optical filter, signal
Processing module and claim 3~8 any one of them imaging sensor, the backlight module include the drive module, even of shining
Tabula rasa, VISIBLE LIGHT EMISSION module and the infrared light emission module；
The backlight module, the display control module, the display module and the optical filter are cascading, the figure
As sensor is arranged between the optical filter and the display module or between the display module and the backlight module, institute
The area for stating imaging sensor is less than or equal to the area of the display module, the display control module and the display module
It is electrically connected, the signal processing module is electrically connected with described image sensor, and the luminous drive module is sent out with the visible ray
Penetrate module and the infrared light emission module is electrically connected, the optical filter can pass through light infrared light and visible ray；
When the luminous drive module controls the infrared light emission module unlatching, the infrared light emission module transmitting is infrared
Light, uniform emission after uniform light board described in the infrared light, the display control module control the display module to pass through institute
State uniformly emitted infrared light, transmission region and the filter of the uniformly emitted infrared light also through described image sensor
Mating plate, the optical filter to the optical signal that object reflects be obtained by filtration the infrared light of reflection, and described image sensor receives
The infrared light of the reflection is simultaneously converted to electric signal, and the Electric signal processing is digital signal by the signal processing module；
When the luminous drive module controls the VISIBLE LIGHT EMISSION module unlatching, the VISIBLE LIGHT EMISSION module transmitting is visible
Light, the display control module control the display module to show, the transparent area of the visible light-transmissive described image sensor
Domain and the optical filter are launched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721318253.9U CN207282497U (en) | 2017-10-13 | 2017-10-13 | A kind of image sensing cell, imaging sensor and display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721318253.9U CN207282497U (en) | 2017-10-13 | 2017-10-13 | A kind of image sensing cell, imaging sensor and display device |
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| CN207282497U true CN207282497U (en) | 2018-04-27 |
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| CN201721318253.9U Active CN207282497U (en) | 2017-10-13 | 2017-10-13 | A kind of image sensing cell, imaging sensor and display device |
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Cited By (6)
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| CN108881533A (en) * | 2018-06-06 | 2018-11-23 | 北京小米移动软件有限公司 | Terminal device |
| WO2019071560A1 (en) * | 2017-10-13 | 2019-04-18 | 深圳芯启航科技有限公司 | Image sensing unit, image sensor and display device |
| CN109671728A (en) * | 2017-10-13 | 2019-04-23 | 深圳芯启航科技有限公司 | A kind of image sensing cell, imaging sensor and display device |
| CN111866313A (en) * | 2019-04-26 | 2020-10-30 | 致伸科技股份有限公司 | Camera module |
| CN111857440A (en) * | 2019-04-29 | 2020-10-30 | 上海和辉光电有限公司 | OLED panel and driving method thereof |
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2017
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| WO2019071560A1 (en) * | 2017-10-13 | 2019-04-18 | 深圳芯启航科技有限公司 | Image sensing unit, image sensor and display device |
| CN109671728A (en) * | 2017-10-13 | 2019-04-23 | 深圳芯启航科技有限公司 | A kind of image sensing cell, imaging sensor and display device |
| CN109671728B (en) * | 2017-10-13 | 2024-05-14 | 深圳芯启航科技有限公司 | Image sensing unit, image sensor and display device |
| CN108881533A (en) * | 2018-06-06 | 2018-11-23 | 北京小米移动软件有限公司 | Terminal device |
| CN111866313A (en) * | 2019-04-26 | 2020-10-30 | 致伸科技股份有限公司 | Camera module |
| CN111857440A (en) * | 2019-04-29 | 2020-10-30 | 上海和辉光电有限公司 | OLED panel and driving method thereof |
| CN111857440B (en) * | 2019-04-29 | 2023-10-13 | 上海和辉光电股份有限公司 | OLED panel and driving method thereof |
| CN111967435A (en) * | 2020-09-02 | 2020-11-20 | 深圳芯邦科技股份有限公司 | Biological feature recognition device, information processing method and terminal equipment |
| CN111967435B (en) * | 2020-09-02 | 2024-03-22 | 深圳芯邦科技股份有限公司 | Biological feature recognition device, information processing method and terminal equipment |
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