CN207233359U - Display module and electronic equipment - Google Patents
Display module and electronic equipment Download PDFInfo
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- CN207233359U CN207233359U CN201721038150.7U CN201721038150U CN207233359U CN 207233359 U CN207233359 U CN 207233359U CN 201721038150 U CN201721038150 U CN 201721038150U CN 207233359 U CN207233359 U CN 207233359U
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Abstract
The utility model discloses a kind of display module and electronic equipment.The display module includes display device, including a display panel and display driver circuit, and the display panel includes multiple display pixels, and the display driver circuit is used to drive the multiple display pixel to light；Photosensitive device, including photosensitive a panel and photosensitive driving circuit, the photosensitive panel is stacked with display panel, and the photosensitive panel includes multiple sensor devices, the sensor devices are correspondingly arranged with the display pixel, and the photosensitive driving circuit is used to drive the multiple sensor devices to perform light sensing；Processor, for carrying out Cooperation controlling to display driver circuit and photosensitive driving circuit, during so that current sensor devices performing light sensing, the corresponding display pixel of current sensor devices is not lighted.The electronic equipment includes the display module.
Description
Technical field
It the utility model is related to a kind of display module and electronic equipment.
Background technology
At present, biometric information sensor, especially fingerprint Identification sensor, have been increasingly becoming the electronic products such as mobile terminal
Standard configuration component.Since optical fingerprint identification sensor specific capacitance formula fingerprint Identification sensor has stronger penetration capacity,
Therefore it has been proposed that a kind of optical fingerprint applied to mobile terminal identifies module.As shown in Figure 1, the optical fingerprint identifies
Module includes optical fingerprint sensor 400 and light source 402.Wherein, which is arranged at mobile terminal
The lower section of cover sheet 401.The side that the light source 402 closes on the optical fingerprint identification sensor 400 is set.When the hand of user
When referring to F contact protection cover boards 401, the optical signal that light source 402 is sent through cover sheet 401 and reaches finger F, by finger F
Valley and a ridge reflection after, received by optical fingerprint identification sensor 400, and form the fingerprint bio characteristic information of finger F.
So, above-mentioned optical finger print identification module can only limit to the presumptive area for being arranged on mobile terminal, such as mobile terminal
Non-display area in, it is necessary to fingerprint recognition could be carried out by contacting the presumptive area, and use is still limited.
Utility model content
The utility model embodiment is intended at least solve one of technical problem existing in the prior art.For this reason, this reality
Needed to provide a kind of display module and electronic equipment with new embodiment.
The utility model embodiment provides a kind of display module, including：
Display device, including a display panel and display driver circuit, the display panel include multiple display pixels, institute
Display driver circuit is stated to be used to drive the multiple display pixel to light；
Photosensitive device, including photosensitive a panel and photosensitive driving circuit, the photosensitive panel are stacked with display panel,
And the photosensitive panel includes multiple sensor devices, the sensor devices are correspondingly arranged with the display pixel, the photosensitive drive
Dynamic circuit is used to drive the multiple sensor devices to perform light sensing；
Processor, for carrying out Cooperation controlling to display driver circuit and photosensitive driving circuit, so that current sensor devices
When performing light sensing, the corresponding display pixel of current sensor devices is not lighted.
In the display module of the utility model embodiment, the optical signal that photosensitive panel is sent using display panel realizes mesh
Mark the biological information sensing of object, it is not necessary to light source is additionally set, so that the cost of display module is not only saved, and
Also achieve and biological information sensing is carried out to the target object of contact or touch display panel optional position.In addition, pass through
For processor to the Cooperation controlling between display driver circuit and photosensitive driving circuit, the sensing for improving biological information is smart
Degree.
In some embodiments, the display pixel is in array distribution, and the display pixel presses odd-numbered line and even number
Row correspondence is divided into the first display pixel groups and the second display pixel groups, when the photosensitive device performs light sensing, the display
Drive circuit drives the display pixel of same display pixel groups to light at the same time, drives the display pixel of different display pixel groups non-same
When light.
In some embodiments, when the display driver circuit drives first display pixel groups and the second display pixel
After the lighting time of the display pixel of a display pixel groups in group reaches preset time, another display pixel groups are then driven
Display pixel is lighted at the same time.
In some embodiments, the multiple sensor devices are arranged in array, and sensor devices press odd-numbered line and even number
Row correspondence is divided into the first sensor devices group and the second sensor devices group, wherein, each row photoreceptor of the first sensor devices group
Part and each row display pixel difference face of first display pixel groups are set, and each row of the second sensor devices group is photosensitive
Device and each row display pixel difference face of second display pixel groups are set；In the display pixel of the first display pixel groups
When lighting at the same time, which drives the sensor devices in the second sensor devices group to perform light sensing line by line；Second
When the display pixel of display pixel groups is lighted at the same time, which drives the photoreceptor in the first sensor devices group line by line
Part performs light sensing.
By the way that display pixel is divided into the first display pixel groups and the second display pixel groups by odd-numbered line and even number line, from
And drive the first display pixel groups to light at the same time, and drive the corresponding sensor devices of the second display pixel groups to perform light sensing；So
After drive the second display pixel groups to light at the same time, the corresponding sensor devices of the first display pixel groups of driving perform light sensing.So
So that the driving of display pixel is simpler, the sensing efficiency of biological information is accelerated.In addition, one group of display pixel is at the same time
When lighting, multiple sensor devices of sensor devices group are progressively scanned, to drive a line sensor devices to perform light sensing at the same time every time,
So as to accelerate the sensing efficiency of biological information.
In some embodiments, the photosensitive device further comprises signal processing circuit, for according to sensor devices
The electric signal produced after light sensing is performed, obtains the predetermined biological information of target object.
In some embodiments, the photosensitive panel is located at the top of the display panel, or the photosensitive panel
Positioned at the lower section of the display panel.
In some embodiments, the display panel has display area；The photosensitive panel is used to perform to display
The biological information sensing of the target object of optional position in the display area of panel；Alternatively, the photosensitive panel has sense
Survey region, and the shape of the sensing region is consistent with the shape of the display panel, the size of the sensing region be more than or
Equal to the size of the display area.
In some embodiments, the photosensitive device is a biology sensing chip, and below the display panel.
In some embodiments, the display device is further used for performing touch-sensing, when the display device is examined
Measuring the touch of target object or after, the display pixel of the corresponding touch area of display driver circuit driving is lighted,
The sensor devices of the corresponding touch area of photosensitive driving circuit driving perform light sensing.
The utility model embodiment provides a kind of electronic equipment, includes the display module of above-mentioned any one embodiment.
In this way, the electronic equipment with above-mentioned display module with all beneficial effects.
The additional aspect and advantage of the utility model embodiment will be set forth in part in the description, partly will be under
Become obvious in the description in face, or recognized by the practice of the utility model embodiment.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the utility model embodiment are from accompanying drawings below is combined to embodiment
Description in will be apparent and be readily appreciated that, wherein：
Fig. 1 is a kind of signal of optical biologic characteristic information sensing structure applied to electronic equipment of the prior art
Figure；
Fig. 2 is the partial structural diagram of the display module of one embodiment of the utility model；
Fig. 3 is the structure diagram of the photosensitive device of one embodiment of the utility model；
Fig. 4 is the structure diagram of the display module of another embodiment of the utility model；
Fig. 5 be one embodiment of the utility model photosensitive panel in sensor devices and display panel display pixel drive
Dynamic schematic diagram；
Fig. 6 be the display panel of one embodiment of the utility model display area and photosensitive panel sensing region pair
Answer relation schematic diagram；
Fig. 7 is that the display module of one embodiment of the utility model is applied to the positive structure schematic of electronic equipment；
Fig. 8 is cross-sectional view of the electronic equipment along I-I lines in Fig. 7, wherein illustrate only the portion of electronic equipment
Separation structure；
Fig. 9 is that the display module of one embodiment of the utility model is applied to the positive structure schematic of electronic equipment；
Figure 10 is cross-sectional view of the electronic equipment along I-I lines in Fig. 9, wherein illustrate only the portion of electronic equipment
Separation structure；
Figure 11 is the flow signal of the biological information method for sensing of the display module of one embodiment of the utility model
Figure；
Figure 12 is that the flow of the biological information method for sensing of the display module of another embodiment of the utility model is shown
It is intended to；
Figure 13 be the utility model display module perform biological information sensing when, the sensor devices of photosensitive panel and
One driving process schematic of the display pixel of display panel；
Figure 14 be the utility model display module perform biological information sensing when, the sensor devices of photosensitive panel and
Another driving process schematic of the display pixel of display panel.
Embodiment
The embodiment of the utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein
Same or similar label represents same or similar element or has the function of same or like element from beginning to end.Lead to below
Cross the embodiment being described with reference to the drawings to be exemplary, be only used for explaining the utility model, and it is not intended that to this practicality
New limitation.
In the description of the utility model, it is to be understood that term " first ", " second " are only used for description purpose, and
It is not intended that instruction or hint relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define
One or more feature can be expressed or be implicitly included to the feature of " first ", " second ".In the utility model
Description in, " multiple " are meant that two or more, unless otherwise specifically defined." contact " or " touch " is wrapped
Include directly contact or mediate contact.For example, the display module hereinafter disclosed, it is arranged on the inside of electronic equipment, such as
The lower section of cover sheet, then user's finger pass through the cover sheet mediate contact display module.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can mechanically connect or be electrically connected or can be in communication with each other；It can be directly connected, can also be in
Between medium be indirectly connected, can be the interaction relationship of connection inside two elements or two elements.For this area
For those of ordinary skill, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.
Following disclosure provides many different embodiments or example is used for realizing the different structure of the utility model.
In order to simplify the disclosure of the utility model, hereinafter to the components of specific examples and it is set for describing.Certainly, they are only
Example, and purpose does not lie in limitation the utility model.In addition, the utility model can in different examples repeat reference numerals
And/or reference letter, this repetition are for purposes of simplicity and clarity, itself not indicate discussed various embodiments
And/or the relation between setting.In addition, various specific techniques and the example of material that the utility model provides, but this
Field those of ordinary skill can be appreciated that the application of other techniques and/or the use of other materials.
Further, described feature, structure can be incorporated in one or more embodiment party in any suitable manner
In formula.In the following description, there is provided many details are so as to provide fully understanding to the embodiment of the utility model.
However, one of ordinary skill in the art would recognize that, without one or more in the specific detail, or using other knots
Structure, constituent element etc., can also put into practice the technical solution of the utility model.In other cases, it is not shown in detail or describes known knot
Structure or operation are to avoid fuzzy the utility model.
The utility model embodiment proposes a kind of display module for realizing biological information sensing, and the display module was both
It can realize image display, and can also realize the biological information for obtaining contact or the target object close to display module.
In some embodiments, Fig. 2 is refer to, Fig. 2 shows the display module of one embodiment of the utility model
Structure.The display module 1 includes a display device (not shown) and photosensitive device 20 (refer to Fig. 3).
The display device includes a display panel 100, for performing image display.Moreover, display panel 100 is again including more
A display pixel 12.Further, which further includes display driver circuit 14 (refer to Fig. 4), multiple for driving
Display pixel 12 is lighted.In some embodiments, which can be arranged on display panel 100, also may be used
To be connected by a connection piece (for example, flexible PCB) with display pixel 12.
The photosensitive device 20 includes a photosensitive panel 200, and the photosensitive panel 200 is stacked with display panel 100, uses
In sensing optical signal, to obtain the predetermined biological information of the target object touched or close to display module 1.
Further, photosensitive panel 200 includes a substrate 26 and the multiple sensor devices 220 being formed in substrate 26,
Sensor devices 220 are used to receive optical signal, and the optical signal received is converted to corresponding electric signal.Substrate 26 may include
Two kinds of bright substrate and nontransparent substrate, wherein transparent substrates are such as, but not limited to substrate of glass, plastic-substrates, crystal, sapphire
Deng nontransparent substrate is such as, but not limited to silicon base, printed circuit board (PCB), metallic substrates etc..In addition, the substrate 26 can be rigidity
Material, or flexible material, such as fexible film.If substrate 26 is flexible material, the photosensitive panel 200 not only thickness
It is thinning, and can be applicable to have in the electronic equipment of camber display screen.
In the utility model embodiment, since photosensitive panel 200 is located at the top of display panel 100, in order not to shadow
The display of display panel 100 is rung, photosensitive panel 200 is equipped with the first transmission region P1, the first transmission region P1 and display pixel
12 are correspondingly arranged, so that the optical signal that display panel 100 is sent passes through.Moreover, sensor devices 220 are translucent construction, and set
In in first transmission region P1, that is, it is corresponding positioned at the top of display pixel 12.
When the display module 1 works, display pixel 12 sends optical signal, to perform image display.When in the display module 1
A target object, such as finger are placed by side, and due to blocking for target object, being irradiated to the optical signal of target object will occur instead
Penetrate, the optical signal reflected is received by sensor devices 220, and sensor devices 220 are converted to the optical signal received accordingly
Electric signal, according to the electric signal, you can obtain the biological information of target object.
Further, the structure of the photosensitive device of one embodiment of the utility model is shown with reference to Fig. 3, Fig. 3.This is photosensitive
Panel 200 further comprises multiple sensor devices 220 and the scanline groups and data that are electrically connected with multiple sensor devices 220
Line group, wherein scanline groups include multi-strip scanning line 201, and data line group includes a plurality of data lines 202.The plurality of sensor devices
220 be in array distribution, such as matrix distribution.It is of course also possible to it is the distribution of other regular fashions or non-regular distribution.With sense
Multi-strip scanning line 201 and a plurality of data lines 202 that optical device 220 is electrically connected then intersect setting, and are arranged on adjacent
Between sensor devices 220.For example, multi-strip scanning line G1, G2 ... Gm is laid along Y-direction interval, a plurality of data lines S1, S2 ... Sn edges
Lay at X-direction interval.So, change ground, the multi-strip scanning line 201 do not limited with a plurality of data lines 202 shown in Fig. 3 it is vertical
Set, setting that can also be at an angle, such as 30 °, 60 ° etc..Led further, since scan line 201 and data cable 202 have
Electrically, therefore between the scan line 201 and data cable 202 that are in the crossed position will be isolated by insulating materials.
It should be noted that above-mentioned scan line 201 and the distribution of data cable 202 and the setting of quantity are not limited to
An illustrative embodiments is stated, corresponding scanline groups sum number can be correspondingly arranged according to the difference of the structure of sensor devices 220
According to line group.
Further, multi-strip scanning line 201 is all connected with a photosensitive driving circuit 23, and a plurality of data lines 202 is all connected with a letter
Number process circuit 25.Photosensitive driving circuit 23 is used to provide corresponding scanning drive signal, and is passed by corresponding scan line 201
Corresponding sensor devices 220 are defeated by, light sensing is performed to activate the sensor devices 220.The photosensitive driving circuit 23 is formed in base
On bottom 26, naturally it is also possible to be electrically connected, that is, connected a plurality of with sensor devices 220 by connector (for example, flexible PCB)
Scan line 201.Signal processing circuit 25, which by data cable 202 receives corresponding sensor devices 220 and performs light sensing, to be produced
Electric signal, and obtain according to the electric signal biological information of target object.
In some embodiments, including the photosensitive panel 200 photosensitive device 20 except including above-mentioned signal processing
Outside circuit 25, photosensitive driving circuit 23, a controller 27 is further included, which is used to control 23 the output phase of drive circuit
The sequential for the scanning drive signal answered, such as, but not limited to activates sensor devices 220 and performs light sensing line by line.The controller 27
It is additionally operable to control signal process circuit 25 and receives the electric signal that sensor devices 220 export, and all of light sensing is performed receiving
After the electric signal that sensor devices 220 export, the biological information of target object is generated according to the electric signal.
Further, above-mentioned signal processing circuit 25 and controller 27 can be that selection is formed according to the type of substrate 26
In substrate 26, or selection is for example electrically connected by connector (for example, flexible PCB) with sensor devices 220.For example, work as
When the substrate 26 is silicon base, the signal processing circuit 25 and controller 27 may be optionally formed in substrate 26, also may be used
Selection is for example electrically connected by flexible PCB and sensor devices 220；When the substrate 26 is dielectric base, the signal
Process circuit 25 and controller 27 then need for example to be electrically connected by flexible PCB and sensor devices 220.
Further, since sensor devices 220 and display pixel 12 are correspondingly arranged, if display pixel 12 is lighted,
Sensor devices 220 corresponding with the display pixel 12 not only sense the optical signal that target object reflects, and can also sense
The optical signal that display pixel 12 is sent, so that biological information sense of the optical signal that sends of display panel 100 to target object
Survey interferes.Therefore, Fig. 4 is refer to, Fig. 4 shows the structure of the display module of another embodiment of the utility model.Should
Display module 1 still further comprises a processor 30, which is used for display driver circuit 14 and photosensitive driving circuit
23 carry out Cooperation controllings, during so that current sensor devices 220 performing light sensing, then the corresponding display picture of current sensor devices 220
Element 12 is not lighted.
It refer to Fig. 5, Fig. 5 shows in one embodiment of the utility model sensor devices and display panel in photosensitive panel
The driving condition of middle display pixel is, it is necessary to explanation, the distribution of display pixel and photosensitive in the display panel illustrated
The distribution of sensor devices is not limited thereto in panel, can also there is other distributed architectures.By providing one scan driving letter
Number a scan line 201a is given, worked so as to drive with the scan line 201a sensor devices 220 being connected, and perform light sensing.
At this time, the display pixel 12b of the lower section of sensor devices 220 is not lighted, for being worn for the optical signal reflected through target object
Cross.In order to realize light sensing, then the display pixel 12 of a line near display pixel 12b, such as display pixel 12a are lighted.
In some embodiments, when control is lighted with display pixel 12a neighbouring display pixel 12b, control shows picture
Plain 12a timesharing is lighted.When being lighted by controlling 12 timesharing of display pixel so that the optical signal reflected by target object
Disturb less, that is, interfering with each other for the optical signal that is received between adjacent sensor devices 220 is avoided, so as to improve photoreceptor cartridge
Put 20 sensing precision.
In some embodiments, display pixel 12 is in array distribution, i.e., multiple display pixels 12 are distributed by ranks.When
So, which can also other regular arrays.In the control for performing light sensing, the display pixel 12 by odd-numbered line and
Even number line, which corresponds to, is divided into the first display pixel groups and the second display pixel groups, i.e., the display pixel of all odd-numbered lines is one group,
The display pixel of all even number lines is another group.When the photosensitive device 20 performs light sensing, the display driver circuit 14
Drive the display pixel of same display pixel groups to light at the same time, drive the display pixel of different display pixel groups is non-concurrent to light.
Specifically, when the display driver circuit 14 drives the display pixel in first display pixel groups and the second display pixel groups
After the lighting time of the display pixel of group reaches preset time, the same time point of display pixel of another display pixel groups is then driven
It is bright.
Accordingly, since each sensor devices 220 and a display pixel 12 are correspondingly arranged, the sensor devices 220
In array distribution, i.e., multiple sensor devices 220 are distributed by ranks.Divide moreover, sensor devices 220 are corresponded to by odd-numbered line and even number line
Into the first sensor devices group and the second sensor devices group, wherein, each row sensor devices of the first sensor devices group with it is described
Each row display pixel difference face of first display pixel groups is set, each row sensor devices of the second sensor devices group and institute
Each row display pixel difference face for stating the second display pixel groups is set.Lighted at the same time in the display pixel of the first display pixel groups
When, which drives the sensor devices in the second sensor devices group to perform light sensing line by line；Picture is shown second
When the display pixel of element group is lighted at the same time, which drives the sensor devices in the first sensor devices group to hold line by line
Row light sensing.
In some embodiments, photosensitive panel 200 is used to perform to optional position in the display area of display panel 100
Target object biological information sensing.Specifically, such as incorporated by reference to reference to Fig. 2 and Fig. 6, display panel 100 has show
Show region 101 and non-display area 102, the display area 101 by display panel 100 all display pixels 12 light-emitting zone
Define, the region beyond display area 101 is non-display area 102, and non-display area 102 is used to set driving display pixel 12
The grade circuit of display driver circuit 14 or set for flexible PCB connection line bonding area.Photosensitive panel 200 has one
Sensing region 203 and non-sensing region 204, the sensing region 203 by photosensitive panel 200 all photosensitive units 22 sensing area
Domain is defined, and the region beyond sensing region 203 is non-sensing region 204, and non-sensing region 204 is used to set driving photosensitive unit
22 perform the grade circuit of photosensitive driving circuit 23 of light sensing or the line bonding area for flexible PCB connection.Sensing region
203 shape is consistent with the shape of display area 101, and the size of sensing region 203 is greater than or equal to the big of display area 101
It is small, so that the object that photosensitive panel 200 can be to contact or close to 101 optional position of display area of display panel 100
The sensing of the predetermined biological information of body.Further, the area of photosensitive panel 200 is less than or equal to display panel 100
Area, and the shape of photosensitive panel 100 is consistent with the shape of display panel 100, so easy to photosensitive panel 200 and display panel
100 assembling.So, ground is changed, in some embodiments, the area of photosensitive panel 200 can also be more than display panel 100
Area.
When an object contacts or during close to the viewing area, which, which receives the light reflected by the object, believes
Number, the optical signal received is changed as corresponding electric signal, and the predetermined biological characteristic letter of the object is obtained according to the electric signal
Breath, for example, information in fingerprint.So as to which the photosensitive panel 200 can realize the mesh to contact or close to display area optional position
Mark object is sensed.
In some embodiments, the sensing region 203 of the photosensitive panel 200 is alternatively less than display panel 100
Display area 101, to realize the predetermined biological information of the target object of the partial display area 101 of display panel 100
Sensing.
In some embodiments, photosensitive device 20 is a biology sensing chip, and positioned at the lower section of display panel 100.It is logical
Biology sensing chip is crossed, can realize that the target object in precalculated position in the display area 101 to display panel 100 carries out biology spy
The sensing of reference breath.
Further, display device is further used for performing touch-sensing, when the display device detects target object
Touch or after, the display pixel of the corresponding touch area of the display driver circuit 14 driving shines.
Further, the structure of the electronic equipment of one embodiment of the utility model is shown with reference to Fig. 7 and Fig. 8, Fig. 7,
Fig. 8 shows cross-section structure of the electronic equipment along I-I lines shown in Fig. 7, and Fig. 8 illustrate only the part knot of electronic equipment
Structure.The electronic equipment is equipped with above-mentioned any one display module for implementing structure, the not only image display for electronic equipment, but also be used for
The biological information of target object to contact or close to electronic equipment senses.
Electronic equipment for example but is not limited to consumption electronic products, household formula electronic product, vehicular electronic product, gold
Melt the electronic product of the suitable types such as end product.Wherein, consumption electronic products are as being mobile phone, tablet computer, notebook electricity
Brain, tabletop display, computer all-in-one machine etc..Household formula electronic product is such as intelligent door lock, TV, refrigerator, Wearable.
Vehicular electronic product is such as automatic navigator, vehicle-carrying DVD.Financial terminal product is as being ATM machine, the end of self-service transacting business
End etc..By taking the mobile terminal of cell phone type as an example, right above-mentioned display module is equally applicable to other suitable electronic equipment shown in Fig. 7
Electronic product, it is not limited to the mobile terminal of cell phone type.
Specifically, the front of the mobile terminal 3 is equipped with a display panel 100, which is equipped with protection cap
Plate 300.Alternatively, the screen accounting of the display panel 100 is higher, such as more than 80%.Screen accounting refers to the aobvious of display panel 100
Show that region 101 accounts for the ratio of the front surface region of mobile terminal 3.The photosensitive panel 200 is correspondingly arranged at the upper of the display panel 100
Side, and it is arranged at the lower section of cover sheet 300.The photosensitive panel 200 is used to sense contact or the display close to display panel 100
The predetermined biological information of the target object of area optional position.So, ground is changed, photosensitive panel 200 can also be correspondingly arranged
In the lower section of the display panel 100.
When mobile terminal 3 is in bright screen state and is in biological information sensing modes, which sends out
Optical signals.When an object contacts or during close to the viewing area, which, which receives the light reflected by the object, believes
Number, the optical signal received is changed as corresponding electric signal, and the predetermined biological characteristic letter of the object is obtained according to the electric signal
Breath, for example, information in fingerprint.So as to which the photosensitive panel 200 can realize the mesh to contact or close to display area optional position
Mark object is sensed.
So, ground is changed, if the sensing region of the photosensitive panel 200 is alternatively the viewing area less than display panel 100
Domain 101, so as to realize the sense of the predetermined biological information of the target object of the partial display area 101 of display panel 100
Survey.
In some embodiments, Fig. 9 and Figure 10, the photoelectric sensor device 20 of the utility model embodiment be refer to
Applied to a mobile terminal 3, the front of the mobile terminal is equipped with a display panel 100, which is equipped with protection
Cover board 300.The screen accounting of the display panel 100 is higher, such as more than 80%.Screen accounting refers to that the reality of display panel 100 is shown
Show that region 101 accounts for the ratio of the front surface region of mobile terminal.Set in the actual displayed region of the display panel 100 at lower position
There is a biological sensing region S touched for target object, to carry out the image sensing of target object, such as target object is hand
Refer to, then the biological sensing region is fingerprint recognition region, to carry out fingerprint recognition.Accordingly, the lower section of display panel 100 is corresponding should
The position of fingerprint recognition region S is equipped with a photosensitive device 20 (for example, biology sensing chip), which is used in finger
When being positioned over fingerprint recognition region S, the fingerprint image of the finger is obtained.It is understood that it is arranged in display panel 100
When lower position is in order to facilitate user's hand-held mobile terminal, facilitate the position of finger touch display panel 100.It is of course also possible to
It is arranged at the other positions for facilitating finger to touch.Shown it should be noted that the biological sensing region S performs image in electronic equipment
When showing, for showing corresponding image information.
In some embodiments, electronic equipment further comprises a touch sensor (not shown), the touch
Sensor is used for the touch area for when a target object contacts the cover sheet, determining the target object, with driving pair
Answer the display pixel of touch area light and sensor devices perform light sensing.
In some embodiments, the touch sensor either with the cover sheet 300 is integrated or and photosurface
Plate 100 is integrated, or integrated with display panel 100.By integrated touch sensor, not only realize and target object is touched
Detection is touched, and also reduces the thickness of electronic equipment, is conducive to electronic equipment and develops towards lightening direction.
Accordingly, Figure 11 is refer to, Figure 10 shows the biological characteristic of the display module of one embodiment of the utility model
Information method for sensing.The method for sensing specifically includes following steps：
S1, when a target object contacts the display module and triggers biological information sensing, control is the multiple
Display pixel is lighted, so that the optical signal that the display unit is sent reaches the target object；
S2, there is provided one scan drive signal gives the multiple sensor devices, to drive the multiple sensor devices to perform light
Sensing, receives the optical signal reflected through target object, and the optical signal received is converted to corresponding electric signal；Its
In, if current sensor devices perform light sensing, the current corresponding display pixel of sensor devices is not lighted.
Specifically, " contact " in above-mentioned steps S1 refers to approach or touch.When having target object, such as finger, contact
During display module 1, it can judge whether to trigger biological information sensing according to the contact situation of target object.When judgement is
When triggering biological information sensing, display driver circuit 14 first drives display pixel 12 to light, and photosensitive driving circuit 23 drives again
Dynamic optical device 220 performs light sensing.Certainly, driving display pixel 12 lights and drives sensor devices 220 to perform light sensing
It can be carried out at the same time.Sensor devices 220 are additionally, since to be correspondingly arranged with display pixel 12, therefore in 12 points of display pixel of driving
When bright and driving sensor devices 220 perform light sensing, both need Cooperation controlling, so that sensor devices 22 being correspondingly arranged and aobvious
Show in pixel 12, only one in running order.In the sensor devices 220 and display pixel 12 that are correspondingly arranged, photoreceptor
Display pixel 12 is not lighted when part 220 performs light sensing by driving, and sensor devices 220 do not perform light sensation when display pixel 12 is lighted
Survey.So so that when display module performs biological information sensing, can guarantee that the sensing precision of biological information.
Further, method for sensing further includes step S3：Obtained according to the transformed electric signal of the multiple sensor devices
Contact or the predetermined biological information of target object close to the display module.Sensor devices are used to receive optical signal, and will
The optical signal received is converted to corresponding electric signal, that is to say, that the electric signal reflects the intensity of optical signal, such as light letter
Number stronger, electric signal is smaller, and optical signal is weaker, and electric signal is stronger.And the optical signal reflected through target object different parts
Have differences, therefore according to the transformed electric signal of sensor devices, you can obtain the predetermined biological information of target object.
In some embodiments, display pixel 12 is in array distribution, i.e., multiple display pixels 12 are distributed by ranks.When
So, which can also other regular arrays.In the control for performing light sensing, the display pixel 12 by odd-numbered line and
Even number line, which corresponds to, is divided into the first display pixel groups and the second display pixel groups, i.e., the display pixel of all odd-numbered lines is one group,
The display pixel of all even number lines is another group.Accordingly, set since each sensor devices 220 are corresponding with a display pixel 12
Put, therefore the sensor devices 220 are also in array distribution, i.e., multiple sensor devices 220 are distributed by ranks.Moreover, sensor devices 220
Corresponded to by odd-numbered line and even number line and be divided into the first sensor devices group and the second sensor devices group, wherein, first sensor devices
Each row sensor devices of group and each row display pixel difference face of first display pixel groups are set, second photoreceptor
Each row sensor devices of part group and each row display pixel difference face of second display pixel groups are set.
Further, Figure 12 is refer to, when controlling multiple display pixels to light in step S1, is further comprised：
S11, drives the display pixel of first display pixel groups to light at the same time, the display pixel of the second display pixel groups
Extinguish；
S12, after the first preset time, the display pixel of the second display pixel groups of driving is lighted at the same time, and the first display picture
The display pixel of element group is extinguished.
Accordingly, in above-mentioned steps S2, when the display pixel of the first display pixel groups is lighted at the same time, second is driven line by line
Multiple sensor devices in sensor devices group perform light sensing；When the display pixel of the second display pixel groups is lighted at the same time, drive
Multiple sensor devices in dynamic first sensor devices group perform light sensing.In this way, the biological characteristic of photosensitive panel 200 can be accelerated
Information sensed speed.
Specifically, with reference to showing in photosensitive panel 200 the often work of row sensor devices in Figure 13 and Figure 14, Figure 13 and Figure 14
Make in state and display panel 100 the often working status of row display pixel.Due to sensor devices (not shown) in photosensitive panel 200
It is correspondingly arranged with display pixel (not shown) in display panel 100, therefore photosensitive panel 200 includes 11 row sensor devices, display
Panel 100 includes 11 row display pixel corresponding with sensor devices.For example, the 1st row, the 3rd row, the 5th row ... in display panel 100
The display pixel of 11st row is the first display pixel groups；2nd row, the 4th row, the 10th row of the 6th row ..., the display pixel of the 12nd row are
Second display pixel groups.The 1st row, the 3rd row, the sensor devices of the 11st row of the 5th row ... are the first sensor devices in photosensitive panel 200
Group；2nd row, the 4th row, the 6th row, eighth row, the 10th row, the sensor devices of the 12nd row are the second sensor devices group.
When performing light sensing, control the display panel and the display pixel of 1 row is spaced in 100 lights at the same time, remaining display
Pixel is extinguished.As shown in figure 13, there is provided display drive signals give the display pixel of the first display pixel groups, that is, drive display panel
The 1st row, the 3rd row, the display pixel of the 11st row of the 5th row ... are lighted at the same time in 100.Since the second display pixel groups do not have offer to sweep
Drive signal is retouched, then the 2nd row, the 10th row of the 4th row ..., the display pixel of the 12nd row are extinguished in display panel 100.Sense is provided line by line
Optical drive signal gives the sensor devices of the second sensor devices group, i.e., drives the 2nd row, the 4th row, the 6th in photosensitive panel 200 successively
Row, eighth row, the 10th row, the sensor devices of the 12nd row perform light sensing.When the sensor devices of the 12nd row have performed light sensing,
I.e. the scheduled time reaches, and the display pixel of the second display pixel groups of driving is lighted at the same time, the display pixel of the first display pixel groups
Extinguish.As shown in figure 14, drive the 2nd row, the 4th row, the 10th row of the 6th row ..., the display pixel of the 12nd row in display panel 100 same
When light, the 1st row in display panel 100, the 11st row display pixel of the 3rd row ... are extinguished；Drive line by line the 1st in photosensitive panel 200
Row, the sensor devices of the 3rd row, the 11st row of the 5th row ... perform light sensing.In this way, by loop control twice, i.e., it is pre- by two
Fix time, then complete all sensor devices in photosensitive panel 200 and perform a light sensing.
Certainly, the utility model embodiment can also use other control modes, such as line by line or interlacing Perceived control
Optical device performs light sensing, if the sensor devices of current line will perform light sensing, controls the sensor devices of current line corresponding
Display pixel is not lighted, and the display pixel of 1 row, remaining display pixel are not lighted then near the display pixel.In this way, it can subtract
Few unnecessary optical signal performs light sensing to the sensor devices of current line and interferes.
In some embodiments, due to target object, such as finger, a part of area of whole photosensitive panel 200 is only accounted for
Domain, thus when Perceived control optic panel 200 performs light sensing, it is not necessary to whole photosensitive panel 200 is scanned, therefore, this reality
With in new embodiment, when performing biological information sensing, the touch of scanning area, i.e. target object can be first determined
Region.Specifically, when target object contacts display module 1, touch area of the target object in display module 1 is determined, from
And drive sensor devices 220 corresponding with touch area in photosensitive panel 200 to perform light sensing successively, accelerate display module
Biological information sensed speed, can drive photosensitive panel 200 to perform Multiple-Scan within the limited time, and then also improve
The biological information sensing precision of electronic equipment.
In the description of this specification, reference term " embodiment ", " certain embodiments ", " schematically implementation
The description of mode ", " example ", " specific example " or " some examples " etc. means with reference to the embodiment or example description
Particular features, structures, materials, or characteristics are contained at least one embodiment or example of the utility model.In this explanation
In book, schematic expression of the above terms is not necessarily referring to identical embodiment or example.Moreover, the specific spy of description
Sign, structure, material or feature can combine in an appropriate manner in any one or more embodiments or example.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the utility model, " multiple " are meant that at least two, such as two
It is a, three etc., unless otherwise specifically defined.
Although the embodiment of the utility model has been shown and described above, it is to be understood that above-mentioned embodiment party
Formula is exemplary, it is impossible to is interpreted as the limitation to the utility model, those of ordinary skill in the art are in the utility model
In the range of the above embodiment can be changed, change, replace and modification.
Claims (10)
1. a kind of display module, including：
Display device, including a display panel and display driver circuit, the display panel includes multiple display pixels, described aobvious
Show that drive circuit is used to drive the multiple display pixel to light；
Photosensitive device, including photosensitive a panel and photosensitive driving circuit, the photosensitive panel is stacked with display panel, and institute
Stating photosensitive panel includes multiple sensor devices, and the sensor devices are correspondingly arranged with the display pixel, the photosensitive driving electricity
Road is used to drive the multiple sensor devices to perform light sensing；
Processor, for carrying out Cooperation controlling to display driver circuit and photosensitive driving circuit, so that current sensor devices perform
During light sensing, the corresponding display pixel of current sensor devices is not lighted.
2. display module as claimed in claim 1, it is characterised in that：The display pixel is in array distribution, and the display
Pixel is corresponded to by odd-numbered line and even number line is divided into the first display pixel groups and the second display pixel groups, when the photosensitive device performs
During light sensing, the display driver circuit drives the display pixel of same display pixel groups to light at the same time, drives different display pictures
The display pixel of element group is non-concurrent to be lighted.
3. display module as claimed in claim 2, it is characterised in that：When the display driver circuit drives the first display picture
After the lighting time of the display pixel of element group and the display pixel groups in the second display pixel groups reaches the scheduled time, then drive
The display pixel for moving another display pixel groups is lighted at the same time.
4. display module as claimed in claim 2, it is characterised in that：The multiple sensor devices are arranged in array, and photosensitive
Device is corresponded to by odd-numbered line and even number line is divided into the first sensor devices group and the second sensor devices group, wherein, described first is photosensitive
Each row sensor devices of device group and each row display pixel difference face of first display pixel groups are set, second sense
Each row sensor devices of optical device group and each row display pixel difference face of second display pixel groups are set；It is aobvious first
When showing that the display pixel of pixel groups is lighted at the same time, which drives the sensor devices in the second sensor devices group line by line
Perform light sensing；When the display pixel of the second display pixel groups is lighted at the same time, which drives the first sense line by line
Sensor devices in optical device group perform light sensing.
5. the display module as described in claim 1-4 any one, it is characterised in that：The photosensitive device further comprises letter
Number process circuit, for performing the electric signal produced after light sensing according to sensor devices, the predetermined biology for obtaining target object is special
Reference ceases.
6. the display module as described in claim 1-4 any one, it is characterised in that：The photosensitive panel is located at the display
The top of panel, or the photosensitive panel are located at the lower section of the display panel.
7. display module as claimed in claim 6, it is characterised in that：The display panel has display area；It is described photosensitive
Panel, which is used to perform, senses the biological information of the target object of optional position in the display area of display panel；Alternatively,
The photosensitive panel has sensing region, and the shape of the sensing region is consistent with the shape of the display panel, the sense
The size for surveying region is greater than or equal to the size of the display area.
8. the display module as described in claim 1-4 any one, it is characterised in that：The photosensitive device is a biological sensing
Chip, and below the display panel.
9. the display module as described in claim 1-4 any one, it is characterised in that：The display device is further used for holding
Row touch-sensing, when the display device detect target object touch or close to after, display driver circuit driving
The display pixel of corresponding touch area is lighted, and the sensor devices of the corresponding touch area of photosensitive driving circuit driving perform light sensation
Survey.
10. a kind of electronic equipment, it is characterised in that：Including the display module as described in claim 1-9 any one.
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| CN201721038150.7U CN207233359U (en) | 2017-08-17 | 2017-08-17 | Display module and electronic equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721038150.7U CN207233359U (en) | 2017-08-17 | 2017-08-17 | Display module and electronic equipment |
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| CN207233359U true CN207233359U (en) | 2018-04-13 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108732801A (en) * | 2018-05-28 | 2018-11-02 | 武汉华星光电技术有限公司 | Screen module and smart mobile phone comprehensively |
| CN109271057A (en) * | 2018-08-16 | 2019-01-25 | Oppo广东移动通信有限公司 | Display component and electronic equipment |
| WO2019033346A1 (en) * | 2017-08-17 | 2019-02-21 | 深圳信炜科技有限公司 | Display module and biological feature information sensing method therefor, and electronic device |
| WO2019033355A1 (en) * | 2017-08-17 | 2019-02-21 | 深圳信炜科技有限公司 | Biosensing module and drive circuit thereof, and electronic device |
| CN110010061A (en) * | 2019-03-27 | 2019-07-12 | 武汉华星光电半导体显示技术有限公司 | Display device and its manufacturing method |
| WO2020030151A1 (en) * | 2018-08-10 | 2020-02-13 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Display screen, electronic device and method for three-dimensional feature recognition |
| WO2020043183A1 (en) * | 2018-08-30 | 2020-03-05 | 京东方科技集团股份有限公司 | Display device and data monitoring method |
| US10712595B2 (en) | 2018-05-28 | 2020-07-14 | Wuhan China Star Optoelectronics Technology Co., Ltd. | Full screen module and smartphone |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019033346A1 (en) * | 2017-08-17 | 2019-02-21 | 深圳信炜科技有限公司 | Display module and biological feature information sensing method therefor, and electronic device |
| WO2019033355A1 (en) * | 2017-08-17 | 2019-02-21 | 深圳信炜科技有限公司 | Biosensing module and drive circuit thereof, and electronic device |
| CN108732801A (en) * | 2018-05-28 | 2018-11-02 | 武汉华星光电技术有限公司 | Screen module and smart mobile phone comprehensively |
| WO2019227808A1 (en) * | 2018-05-28 | 2019-12-05 | 武汉华星光电技术有限公司 | Full-screen module and smart phone |
| US10712595B2 (en) | 2018-05-28 | 2020-07-14 | Wuhan China Star Optoelectronics Technology Co., Ltd. | Full screen module and smartphone |
| WO2020030151A1 (en) * | 2018-08-10 | 2020-02-13 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Display screen, electronic device and method for three-dimensional feature recognition |
| US11081516B2 (en) | 2018-08-10 | 2021-08-03 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Display screen, electronic device and method for three-dimensional feature recognition |
| CN109271057A (en) * | 2018-08-16 | 2019-01-25 | Oppo广东移动通信有限公司 | Display component and electronic equipment |
| WO2020043183A1 (en) * | 2018-08-30 | 2020-03-05 | 京东方科技集团股份有限公司 | Display device and data monitoring method |
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| CN110010061A (en) * | 2019-03-27 | 2019-07-12 | 武汉华星光电半导体显示技术有限公司 | Display device and its manufacturing method |
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Effective date of registration: 20210624 Address after: 545000 No.108, 2nd floor, building 2, 29 Xinliu Avenue, Liuzhou City, Guangxi Zhuang Autonomous Region Patentee after: Liuzhou Zibo Technology Co.,Ltd. Address before: 518055 Shenzhen, Nanshan District, Guangdong Xili Street Honghua Ling Industrial Zone 2 District 1 District 5 Building (Xi Bian) Patentee before: SHENZHEN XINWEI TECHNOLOGY Co.,Ltd. |