CN207182326U - Display module and electronic installation - Google Patents
Display module and electronic installation Download PDFInfo
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- CN207182326U CN207182326U CN201721167474.0U CN201721167474U CN207182326U CN 207182326 U CN207182326 U CN 207182326U CN 201721167474 U CN201721167474 U CN 201721167474U CN 207182326 U CN207182326 U CN 207182326U
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Abstract
The utility model discloses a kind of display module and electronic installation.Display module includes flexible OLED display and ultrasonic sensor.Ultrasonic sensor is arranged on flexible OLED display, and ultrasonic sensor includes base material, multiple pixel electrodes, piezoelectric element, conductive electrode and the process chip being connected with multiple pixel electrodes.Multiple pixel electrodes are produced on base material and are in array distribution.Piezoelectric element is arranged on base material and covers multiple pixel electrodes, and piezoelectric element is used to launch ultrasonic wave and electric signal is produced after the ultrasonic wave of thing reflection to be detected is received, and multiple pixel electrodes are used to receive electric signal.Conductive electrode is set on the piezoelectric element, and piezoelectric element is between pixel electrode and conductive electrode.Process chip is used to handle electric signal to form the ultrasonograph of thing to be detected.Because ultrasonic sensor is arranged on flexible OLED display so that ultrasonic sensor will not take the space beyond display module, be easy to do more flexible OLED display.
Description
Technical field
Fingerprint identification technology field is the utility model is related to, more particularly to a kind of display module and electronic installation.
Background technology
At present, the ultrasonic sensor in mobile phone for fingerprint recognition is arranged on mobile phone front in the form of physical button more
Display screen beyond region, due to reserve installing space to ultrasonic sensor, display screen would not take mobile phone completely
Front, cause the screen accounting of mobile phone relatively low.
Utility model content
Embodiment of the present utility model provides a kind of display module and electronic installation.
The display module of the utility model embodiment includes flexible organic light-emitting diode (OLED) display screen and supersonic sensing
Device, the ultrasonic sensor are arranged on the flexible organic light-emitting diode (OLED) display screen, and the ultrasonic sensor includes
Base material, multiple pixel electrodes, piezoelectric element, conductive electrode and process chip.Multiple pixel electrodes are produced on the base material
Go up and be in array distribution.The piezoelectric element sets on the substrate and covers multiple pixel electrodes.The piezoelectricity member
Part is used to launch ultrasonic wave and produces electric signal after the ultrasonic wave of thing reflection to be detected is received.Multiple pixel electrodes are used
In the reception electric signal.The conductive electrode is arranged on the piezoelectric element.The piezoelectric element is located at pixel electricity
Between pole and the conductive electrode.The process chip is connected with multiple pixel electrodes, and the process chip is used to handle
The electric signal is to form the ultrasonograph of the thing to be detected.
In the utility model embodiment, the ultrasonic sensor in display module is arranged on flexible Organic Light Emitting Diode
On display screen so that ultrasonic sensor will not take the space beyond display module, be easy to flexible Organic Light Emitting Diode
Display screen does more, and improves the screen accounting of the electronic installations such as mobile phone, tablet personal computer；Meanwhile each picture of ultrasonic sensor
Plain electrode can determine thing to be detected pressing position on a display screen and piezoelectric element in the position according to the electric signal received
Electric signal caused by putting, so as to the identification for reducing process chip need data volume to be processed, improving ultrasonic sensor
Efficiency.
In some embodiments, the membrane structure that the ultrasonic sensor is integrated.The ultrasound of integral membrane structure
Wave sensor is easier to be arranged on flexible organic light-emitting diode (OLED) display screen, is easy to manufacture display module.
In some embodiments, the piezoelectric element is layer structure overall made of piezoelectric.Overall layer
The piezoelectric element easy to manufacture of shape structure, and manufacturing cost is relatively low.
In some embodiments, the piezoelectric element includes multiple piezo columns, and multiple piezo columns are arranged on described
On base material and it is in array distribution, multiple piezo columns are corresponding with multiple pixel electrodes, each piezo column covering pair
The pixel electrode answered.Because multiple piezo column arrays on piezoelectric element are set, therefore each piezo column is by adjacent
Electrically interference and vibration interference are smaller caused by piezo column, so as to compared to the overall layer structure being made out of a piezoelectric material
(i.e. laminated structure), the piezoelectric element of the present embodiment caused electric signal under ul-trasonic irradiation is more accurate, and then handles core
The ultrasonograph that piece handles electric signal formation is more accurate.
In some embodiments, on the base material formed with multiple image element circuits in array distribution and with it is multiple described
A plurality of wire corresponding to image element circuit, multiple image element circuits are corresponding with multiple pixel electrodes, each pixel electricity
Road connects with the corresponding pixel electrode, and the every wire is used to connect the corresponding image element circuit and the processing core
Piece.Present embodiment is easy to pixel electrode to be electrically connected with process chip by setting image element circuit and wire.
In some embodiments, the ultrasonic sensor also includes connection electrode and lead.The connection electrode is set
Put in the side of remote multiple pixel electrodes of the base material and be connected with the process chip.The pixel electrode passes through
The lead is connected to the connection electrode, and the conductive electrode is connected to the connection electrode by the lead.This implementation
Mode is easy to pixel electrode to be electrically connected respectively with process chip with conductive electrode by setting lead and connection electrode.
In some embodiments, the conductive electrode is overall layer structure.Conductive electrode is in overall stratiform knot
Structure, is easy to the energization of process chip control conductive electrode, while makes conductive electrode easy to manufacture and cost of manufacture is relatively low.
In some embodiments, the conductive electrode includes layer structure and prolonged respectively from the both ends of layered structure
The extended structure stretched, layered structure wrap the piezoelectric element jointly with the extended structure.Process chip can pass through
Extended structure electrically connects with conductive electrode.In this way, by setting extended structure to be easy to process chip to be electrically connected with conductive electrode.
In some embodiments, the conductive electrode includes multiple spaced list structures, each list structure
The conductive electrode it is corresponding with the pixel electrode in a row or column.Relative to the conductive electrode of layer structure, strip
The conductive electrode of structure be more convenient for process chip control conductive electrode signal input and output, so as to improve supersonic sensing
Device identifies the precision of fingerprint.
In some embodiments, the light transmittance of the conductive electrode is more than 90%.Make ultrasonic made of the conductive electrode
Wave sensor has preferable translucency, so as to which ultrasonic sensor will not block the aobvious of flexible organic light-emitting diode (OLED) display screen
Show, ultrasonic sensor can keep the integral color of flexible organic light-emitting diode (OLED) display screen consistent and make flexible organic light emission
Diode (OLED) display screen is more attractive in appearance.
In some embodiments, the ultrasonic sensor also includes circuit board, multiple pixel electrodes, described leads
Electrode and the process chip are electrically connected with the circuit board.Circuit board is provided with connector in order to which ultrasonic wave passes
Sensor is electrically connected by the connector on circuit board with other electronic components.
In some embodiments, the display module also includes cover plate, and the cover plate is arranged on the organic hair of flexibility
On optical diode display screen.In this way, cover plate can play a part of protection to flexible organic light-emitting diode (OLED) display screen.
In some embodiments, the material of the cover plate is sapphire or strengthened glass.Covered made of above-mentioned material
Plate has preferable crushing resistance and translucency, can carry thing to be detected and be pressed against pressing force when in display module, and will not hide
Keep off the display of flexible organic light-emitting diode (OLED) display screen.
Display of the electronic installation of the utility model embodiment described in including housing and above-mentioned any one embodiment
Module, the display module are set on the housing.
Ultrasonic sensor in the electronic installation and display module of the utility model embodiment is arranged on flexible organic
On light emitting diode (LED) display screen, so as to which ultrasonic sensor will not take the space beyond display module, being easy to will be flexible organic
Light emitting diode (LED) display screen does more, and improves the screen accounting of the electronic installations such as mobile phone, tablet personal computer；Meanwhile supersonic sensing
Each pixel electrode of device can determine that thing to be detected presses position and piezoelectricity on a display screen according to the electric signal received
Element caused electric signal on the position, passed so as to reduce process chip need data volume to be processed, improve ultrasonic wave
The recognition efficiency of sensor.
The additional aspect and advantage of embodiment of the present utility model will be set forth in part in the description, partly will be from
Become obvious in following description, or recognized by the practice of embodiment of the present utility model.
Brief description of the drawings
In description of the of the present utility model above-mentioned and/or additional aspect and advantage from combination accompanying drawings below to embodiment
It will be apparent and be readily appreciated that, wherein：
Fig. 1 is the sectional view of the display module of some embodiments of the utility model；
Fig. 2 is the sectional view of the ultrasonic sensor of some embodiments of the utility model；
Fig. 3 is the decomposing schematic representation of the ultrasonic sensor of some embodiments of the utility model；
Fig. 4 is the floor map of the electronic installation of some embodiments of the utility model；
Fig. 5 is the sectional view of the display module of some embodiments of the utility model；
Fig. 6 is the sectional view of the display module of some embodiments of the utility model；
Fig. 7 is the sectional view of the display module of some embodiments of the utility model；
Fig. 8 is the sectional view of the display module of some embodiments of the utility model；
Fig. 9 is the sectional view of the ultrasonic sensor of some embodiments of the utility model；
Figure 10 is the sectional view of the display module of some embodiments of the utility model；
Figure 11 is the sectional view of the ultrasonic sensor of some embodiments of the utility model；
Figure 12 is the sectional view of the display module of some embodiments of the utility model；
Figure 13 is the sectional view of the ultrasonic sensor of some embodiments of the utility model；
Figure 14 is the sectional view of the display module of some embodiments of the utility model；
Figure 15 is the sectional view of the ultrasonic sensor of some embodiments of the utility model；
Figure 16 is the sectional view of the display module of some embodiments of the utility model；
Figure 17 is the sectional view of the display module of some embodiments of the utility model；
Figure 18 is the sectional view of the display module of some embodiments of the utility model；
Figure 19 is the sectional view of the ultrasonic sensor of some embodiments of the utility model；
Figure 20 is the sectional view of the display module of some embodiments of the utility model；
Figure 21 is the sectional view of the ultrasonic sensor of some embodiments of the utility model；
Figure 22 is the sectional view of the display screen of some embodiments of the utility model；
Figure 23 is the sectional view of the display module of some embodiments of the utility model；
Figure 24 is the sectional view of the ultrasonic sensor of some embodiments of the utility model；
Figure 25 is the sectional view of the display module of some embodiments of the utility model；
Figure 26 is the sectional view of the ultrasonic sensor of some embodiments of the utility model；
Figure 27 is the decomposing schematic representation of the ultrasonic sensor of some embodiments of the utility model；
Figure 28 is the decomposing schematic representation of the ultrasonic sensor of some embodiments of the utility model；
Figure 29 is the sectional view of the ultrasonic sensor of some embodiments of the utility model；
Figure 30 is the sectional view of the ultrasonic sensor of some embodiments of the utility model；
Figure 31 is the sectional view of the ultrasonic sensor of some embodiments of the utility model；
Figure 32 is the decomposing schematic representation of the ultrasonic sensor of some embodiments of the utility model；With
Figure 33 is the sectional view of the ultrasonic sensor of some embodiments of the utility model.
Embodiment
Embodiment of the present 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 the element with same or like function from beginning to end.Lead to below
It is exemplary to cross the embodiment being described with reference to the drawings, and is only used for explaining the utility model, and it is not intended that to this practicality
New limitation.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer ",
The orientation or position relationship of the instructions such as " clockwise ", " counterclockwise " be based on orientation shown in the drawings or position relationship, be only for
Be easy to describe the utility model and simplify to describe, rather than instruction or imply signified device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " first ",
" second " is only used for describing purpose, and it is not intended that indicating or implying relative importance or imply the technology indicated by indicating
The quantity of feature.Thus, " first " is defined, the feature of " second " can be expressed or implicitly include one or more
The feature.In description of the present utility model, " multiple " are meant that two or more, unless otherwise clearly specific
Limit.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；It can be mechanical connection or electrical connection or can mutually communicate；Can be joined directly together, can also be in
Between medium be indirectly connected, can be connection or the interaction relationship of two elements of two element internals.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.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it
" under " can directly be contacted including the first and second features, it is not directly to contact but lead to that can also include the first and second features
The other characterisation contact crossed between them.Moreover, fisrt feature second feature " on ", " top " and " above " include the
One feature is directly over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.First is special
Sign second feature " under ", " lower section " and " below " including fisrt feature immediately below second feature and obliquely downward, or only
Represent that fisrt feature level height is less than second feature.
Following disclosure provides many different embodiments or example is used for realizing different structure of the present utility model.
In order to simplify disclosure of the present utility model, hereinafter the part and setting of specific examples are described.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.
Fig. 1 and Fig. 2 is referred to, the display module 200 of the utility model embodiment includes display screen 90 and ultrasonic wave passes
Sensor 100.Ultrasonic sensor 100 is integrated in display screen 90.Ultrasonic sensor 100 includes base material 10, multiple pixels electricity
Pole 20, piezoelectric element 30, conductive electrode 40 and process chip 50.Multiple pixel electrodes 20 are produced on base material 10 and in arrays point
Cloth.Piezoelectric element 30 is arranged on base material 10 and covers multiple pixel electrodes 20, piezoelectric element 30 be used for launch ultrasonic wave and
Electric signal is produced after receiving the ultrasonic wave of thing reflection to be detected, multiple pixel electrodes 20 are used to receive the electric signal.Conductive electricity
Pole 40 is arranged on piezoelectric element 30, and piezoelectric element 30 is between pixel electrode 20 and conductive electrode 40.Process chip 50 with
Multiple pixel electrodes 20 connect, and process chip 50 is used to handle the electric signal to form the ultrasonograph of thing to be detected.
Display screen 90 can be LCDs or Organic Light Emitting Diode (Organic Light-Emitting
Diode, OLED) display screen.Ultrasonic sensor 100 is structure as a whole and is integrated in display screen 90.Ultrasonic sensor 100
Light transmittance be more than 90%, during so that ultrasonic sensor 100 is integrated in display screen 90, ultrasonic sensor 100 will not hide
Keep off display screen 90 and cause the display effect of display screen 90 poor.
Thing to be detected can be finger, test template etc..When process chip 50 controls conductive electrode 40 and pixel electrode 20
Be powered so that be applied with conductive electrode 40 and pixel electrode 20 high frequency voltage (such as：Frequency is more than 20KHZ voltage) when, pressure
Electric device 30 produces ultrasonic wave in the presence of high frequency voltage and outwards launches ultrasonic wave；If finger is placed on display module 200
On, then finger can reflect the ultrasonic wave of the transmitting of piezoelectric element 30 and transmit back to piezoelectric element 30, due to fingerprint be present on finger,
The finger reflectance ultrasound ripple that thus each position receives on piezoelectric element 30 is incomplete same, so as to 30 each position of piezoelectric element
It is also incomplete same to put the caused electric signal (or piezoelectric signal) under ul-trasonic irradiation, each position produces on piezoelectric element 30
Electric signal can be collectively forming the fingerprint pattern of finger；Process chip 50 controls multiple pixel electrodes 20 to receive piezoelectric element 30
Each position on caused by the electric signal, the electric signal is delivered in process chip 50 by multiple pixel electrodes 20, handles core
Piece 50 handles the electric signal to form the fingerprint pattern of finger.
Ultrasonic sensor 100 in the display module 200 of the utility model embodiment is integrated in display screen 90, is surpassed
Sonic sensor 100 will not take the space beyond display module 200, be easy to do more display screen 90, improve mobile phone, put down
The screen accounting of the electronic installations such as plate computer, wearable device 300 (shown in Fig. 4)；Meanwhile each picture of ultrasonic sensor 100
Plain electrode 20 can determine the position and piezoelectric element 30 that thing to be detected is pressed against on display screen 90 according to the electric signal received
The caused electric signal on the position, so as to reduce the need of process chip 50 data volume to be processed, improve supersonic sensing
The recognition efficiency of device 100.
Referring to Fig. 1, the display module 200 of the utility model embodiment includes display screen 90 and ultrasonic sensor
100。
Display screen 90 is LCDs, and along the light emission direction of display screen 90, display screen 90 includes the backlight set gradually
Module 91, down polaroid 92, thin film transistor (TFT) (Thin-film transistor, TFT) substrate 93, liquid crystal layer 94, colored filter
Mating plate 95, upper polaroid 96 and cover plate 97.Display screen 90 can be with the sheet of rectangular, circular, oval, triangle, polygon
Structure.
Refer to Fig. 2 and Fig. 3, ultrasonic sensor 100 includes base material 10, multiple pixel electrodes 20, piezoelectric element 30, led
Electrode 40 and process chip 50.The membrane structure that ultrasonic sensor 100 is integrated.Ultrasonic sensor 100 is integrated in the back of the body
Between optical mode group 91 and down polaroid 92.
The material of base material 10 is glass or Kapton.The shape of base material 10 and the shape of display screen 90 match.
The cost of base material 10 is relatively low made of glass or polyimide film material, translucency is preferable, therefore, is made up of the base material 10
Ultrasonic sensor 100 cost is relatively low, translucency is preferable.When ultrasonic sensor 100 is integrated in display screen 90, tool
The ultrasonic sensor 100 for having preferable translucency will not block the display of display screen 90, while be integrated in display screen 90
Ultrasonic sensor 100 can keep the integral color of display screen 90 consistent and make display screen 90 more attractive in appearance.
Multiple pixel electrodes 20 are produced on base material 10 and are in array distribution, that is to say, that multiple pixel electrodes 20 include
The pixel electrode 20 and the spaced pixel electrode 20 of multiple row that higher order interlace is set.The material of pixel electrode 20 is tin indium oxide
(Indium tin oxide, ITO), nano-silver thread (Agnanowire), metal grill (metal mesh), CNT and
Any one in graphene (Graphene), pixel electrode 20 has preferable toughness and printing opacity made of above-mentioned material
Property, so as to which ultrasonic sensor 100 has preferable toughness and translucency made of the pixel electrode 20.Pixel electrode 20
Light transmittance is more than 90%, ultrasonic sensor 100 made of the pixel electrode 20 is had preferable translucency, so as to ultrasonic wave
Sensor 100 will not block the display of display screen 90, and ultrasonic sensor 100 can keep the integral color of display screen 90 consistent
And make display screen 90 more attractive in appearance.Pixel electrode 20 can be used for receiving electric signal, and each pixel electrode 20 can be according to receiving
Electric signal determine a position of display module 200 (or ultrasonic sensor 100), pixel electrode 20 is close on base material 10
The acquisition precision positive correlation of degree and ultrasonic sensor 100, the density of pixel electrode 20 of the present utility model can make ultrasonic wave
Sensor 100 detects the fingermark image of thing to be detected.
Piezoelectric element 30 is arranged on base material 10 and covers multiple pixel electrodes 20.Piezoelectric element 30 is made up of piezoelectric
Overall laminated structure, the shape and the shape of base material 10 of piezoelectric element 30 match.The material of piezoelectric element 30 is poly- inclined
PVF (Polyvinylidene fluoride, PVDF), because Kynoar has preferable toughness and translucency, makes
Piezoelectric element 30 has preferable pliability and translucency, and now the pliability of ultrasonic sensor 100 and translucency are also preferable.
Piezoelectric element 30 high frequency voltage (such as：Frequency is more than 20KHZ voltage) effect is lower can produce and to display screen 90
Light emission direction launches ultrasonic wave.After piezoelectric element 30 receives the ultrasonic wave of thing reflection to be detected, piezoelectric element 30 is in ultrasound
Electric signal (or piezoelectric signal) can be produced under ripple effect, thing to be detected can be finger, test template etc..
Conductive electrode 40 is arranged on the side of the remote pixel electrode 20 of piezoelectric element 30, that is to say, that piezoelectric element 30
Between pixel electrode 20 and conductive electrode 40.Conductive electrode 40 is layer structure overall made of conductive material, conductive
The shape of electrode 40 and the shape of piezoelectric element 30 match.The material of conductive electrode 40 is tin indium oxide, nano-silver thread, metal
Any one in grid, CNT and graphene.The light transmittance of conductive electrode 40 is more than 90%.Conductive electrode 40 and picture
Plain electrode 20 can apply high frequency voltage after leading to high frequency voltage to piezoelectric element 30, so that piezoelectric element 30 produces ultrasonic wave.
Conductive electrode 40 can also receive electric signal caused by piezoelectric element 30 with pixel electrode 20.
Process chip 50 is all connected with multiple pixel electrodes 20 and conductive electrode 40.Process chip 50 can be used for control and lead
The energization of electrode 40 and pixel electrode 20.For example, process chip 50 can control conductive electrode 40 to connect high frequency voltage and control
Pixel electrode 20 processed is grounded, so that piezoelectric element 30 is applied in high frequency voltage, so that piezoelectric element 30 is produced and outwards launched
Ultrasonic wave.Process chip 50 also controllable pixels electrode 20 and conductive electrode 40 transmit piezoelectric signal caused by piezoelectric element 30
Onto process chip 50.Process chip 50 is additionally operable to handle electric signal caused by piezoelectric element 30 to form the ultrasound of thing to be detected
Ripple image.Process chip 50 can be arranged on base material 10 and can also be arranged on outside base material 10.
When process chip 50 controls conductive electrode 40 to be powered with pixel electrode 20 so that conductive electrode 40 and pixel electrode 20
On be applied with high frequency voltage (such as：Frequency is more than 20KHZ voltage) when, piezoelectric element 30 produces in the presence of high frequency voltage
Ultrasonic wave simultaneously outwards launches ultrasonic wave；If finger is placed in display module 200, finger can reflect the transmitting of piezoelectric element 30
Ultrasonic wave is simultaneously transmitted back to piezoelectric element 30, and due to fingerprint on finger be present, thus each position receives on piezoelectric element 30
Finger reflectance ultrasound ripple it is incomplete same, so as to 30 each position of piezoelectric element caused electric signal under ul-trasonic irradiation
(or piezoelectric signal) is also incomplete same, and electric signal can be collectively forming the finger of finger caused by each position on piezoelectric element 30
Line pattern；Process chip 50 controls multiple pixel electrodes 20 to receive the electric signal caused by each position of piezoelectric element 30,
The electric signal is delivered in process chip 50 by multiple pixel electrodes 20, and process chip 50 handles the electric signal to form finger
Fingerprint pattern.
Referring to Fig. 4, the electronic installation 300 of the utility model embodiment includes housing 301 and the utility model is any
The display module 200 of one embodiment, display module 200 are arranged on housing 301.Electronic installation 300 includes mobile phone, flat board electricity
Any one in brain, Intelligent bracelet, intelligent helmet, intelligent watch, remote control, automatic navigator, e-book.
Ultrasonic sensor 100 in the electronic installation 300 and display module 200 of the utility model embodiment is integrated in
In display screen 90, so as to which ultrasonic sensor 100 will not take the space beyond display module 200, it is easy to do display screen 90
Obtain bigger, the screen accounting of raising electronic installation 300；Meanwhile each pixel electrode 20 of ultrasonic sensor 100 can be according to connecing
The electric signal received determines position and the piezoelectric element 30 caused electricity on the position that thing to be detected is pressed against on display screen 90
Signal, so as to the recognition efficiency for reducing the need of process chip 50 data volume to be processed, improving ultrasonic sensor 100.
The electronic installation 300 and display module 200 of the utility model embodiment also have the advantages that：First,
Ultrasonic sensor 100 is integrated in the form of integral membrane structure in display module 200, is easy to manufacture display module 200.
Second, multiple pixel electrodes 20 are produced on base material 10, are easy to make the higher pixel electrode 20 of precision, so as to carry
Rise the precision that ultrasonic sensor 100 identifies fingerprint.
Second, the light transmittance of pixel electrode 20 and conductive electrode 40 is all higher than 90%, makes to surpass made of the pixel electrode 20
Sonic sensor 100 has preferable translucency, so as to which ultrasonic sensor 100 will not block the display of display screen 90, ultrasound
Wave sensor 100 can keep the integral color of display screen 90 consistent and make display screen 90 more attractive in appearance.
3rd, conductive electrode 40 is easy to process chip 50 to control the energization of conductive electrode 40, together in overall laminated structure
When make the easy to manufacture of conductive electrode 40 and cost of manufacture is relatively low.
4th, the material of pixel electrode 20 and conductive electrode 40 is tin indium oxide, nano-silver thread, metal grill, nanometer
Any one in carbon pipe and graphene, pixel electrode 20 and conductive electrode 40 are respectively provided with preferably made of above-mentioned material
Toughness and translucency, so that ultrasonic sensor 100 is with preferably tough made of the pixel electrode 20 and conductive electrode 40
Property and translucency；The ultrasonic sensor 100 being integrated in display screen 90 will not block the display of display screen 90, supersonic sensing
Device 100 can keep the integral color of display screen 90 consistent and make display screen 90 more attractive in appearance.
5th, piezoelectric element 30 is easy to the manufacture of piezoelectric element 30 in overall layer structure and manufacturing cost is relatively low.
6th, the outside of display screen 90 and the side of remote user are arranged on compared to by ultrasonic sensor 100, by ultrasound
Wave sensor 100, which is arranged between backlight module 91 and down polaroid 92, makes ultrasonic sensor 100 closer to user, so as to subtract
Small ultrasonic wave loses caused by being propagated in display module 200, lifts the fingerprint recognition precision of ultrasonic sensor 100.
Referring to Fig. 5, in some embodiments, the ultrasonic sensor 100 of above-mentioned embodiment can also be arranged on
Between thin film transistor base plate 93 and down polaroid 92.Backlight module 91 is arranged on under compared to by ultrasonic sensor 100
Between polaroid 92, the ultrasonic sensor 100 of present embodiment is closer to user, so as to reduce ultrasonic wave in display module
Lost caused by being propagated in 200, lift the fingerprint recognition precision of ultrasonic sensor 100.
Referring to Fig. 6, in some embodiments, the ultrasonic sensor 100 of above-mentioned embodiment is arranged on colored filter
Between mating plate 95 and upper polaroid 96.Compared to by ultrasonic sensor 100 be arranged on backlight module 91 and down polaroid 92 it
Between, the ultrasonic sensor 100 of present embodiment is closer to user, when being propagated so as to reduce ultrasonic wave in display module 200
Caused loss, lift the fingerprint recognition precision of ultrasonic sensor 100.
Referring to Fig. 7, in some embodiments, the ultrasonic sensor 100 of above-mentioned embodiment is arranged on polarisation
Between piece 96 and cover plate 97.It is arranged on compared to by ultrasonic sensor 100 between backlight module 91 and down polaroid 92, this reality
The ultrasonic sensor 100 of mode is applied closer to user, caused damage is propagated so as to reduce ultrasonic wave in display module 200
Lose, lift the fingerprint recognition precision of ultrasonic sensor 100.
Fig. 8 and Fig. 9 is referred to, in some embodiments, the colored filter 95 of above-mentioned embodiment passes for ultrasonic wave
The base material 10 of sensor 100, multiple pixel electrodes 20 are produced on colored filter 95 and are in array distribution, and piezoelectric element 30 is set
On colored filter 95 and cover multiple pixel electrodes 20.In other words, the base material 10 in present embodiment is colored filter
Mating plate 95, multiple pixel electrodes 20 are produced on a surface of colored filter 95, so as to which display module 200 need not be extra
Base material is provided, so as to reduce the thickness of display module 200, and then is easy to display module 200 and electronic installation 300 being made more
It is thin.Now, it is more without formation is made on colored filter 95 when ultrasonic sensor 100 is integrated in display module 200
The surface of individual pixel electrode 20 closer to thin film transistor (TFT) (Thin-film transistor, TFT) substrate 93, the surface with it is thin
Liquid crystal layer 94 is folded between film transistor substrate 93, and conductive electrode 40 connects with upper polaroid 96.
Figure 10 and Figure 11 is referred to, in some embodiments, the thin film transistor base plate 93 of above-mentioned embodiment is super
The base material 10 of sonic sensor 100, multiple pixel electrodes 20 are produced on thin film transistor base plate 93 and are in array distribution, piezoelectricity
Element 30 is arranged on thin film transistor base plate 93 and covers multiple pixel electrodes 20.Conductive electrode 40 is arranged on piezoelectric element 30
On, piezoelectric element 30 is between pixel electrode 20 and conductive electrode 40.In other words, the base material 10 in present embodiment is
Thin film transistor base plate 93, multiple pixel electrodes 20 are produced on a surface of thin film transistor base plate 93, so as to show mould
Group 200 need not be additionally provided base material, so as to reduce the thickness of display module 200, and then be easy to display module 200 and electricity
Sub-device 300 is made thinner.Now, when ultrasonic sensor 100 is integrated in display module 200, thin film transistor (TFT) base
There is no to make the surface for forming multiple pixel electrodes 20 on plate 93 closer to colored filter 95, the surface and colored filter 95
Between be folded with liquid crystal layer 94, and conductive electrode 40 connects with down polaroid 92.
Figure 12 and Figure 13 is referred to, in some embodiments, the upper polaroid 96 of above-mentioned embodiment passes for ultrasonic wave
The base material 10 of sensor 100, multiple pixel electrodes 20 are produced in upper polaroid 96 and are in array distribution, and piezoelectric element 30 is arranged on
In upper polaroid 96 and cover multiple pixel electrodes 20.Conductive electrode 40 is arranged on piezoelectric element 30, and piezoelectric element 30 is located at
Between pixel electrode 20 and conductive electrode 40.In other words, the as upper polaroid 96 of the base material 10 in present embodiment, multiple pictures
Plain electrode 20 is produced on a surface of upper polaroid 96, so as to which display module 200 need not be additionally provided base material, so as to subtract
The small thickness of display module 200, and then be easy to display module 200 and electronic installation 300 being made thinner.Now, will surpass
When sonic sensor 100 is integrated in display module 200, Ke Yishi：There is no making to form multiple pixel electricity in upper polaroid 96
The surface of pole 20 connects with cover plate 97；Or do not have to make the surface for forming multiple pixel electrodes 20 and coloured silk in upper polaroid 96
Colo(u)r filter 95 connects.
Figure 14 and Figure 15 is referred to, in some embodiments, the down polaroid 92 of above-mentioned embodiment passes for ultrasonic wave
The base material 10 of sensor 100, multiple pixel electrodes 20 are produced in down polaroid 92 and are in array distribution, and piezoelectric element 30 is arranged on
In down polaroid 92 and cover multiple pixel electrodes 20.Conductive electrode 40 is arranged on piezoelectric element 30, and piezoelectric element 30 is located at
Between pixel electrode 20 and conductive electrode 40.In other words, the as down polaroid 92 of the base material 10 in present embodiment, multiple pictures
Plain electrode 20 is produced on a surface of down polaroid 92, so as to which display module 200 need not be additionally provided base material, so as to subtract
The small thickness of display module 200, and then be easy to display module 200 and electronic installation 300 being made thinner.Now, will surpass
When sonic sensor 100 is integrated in display module 200, Ke Yishi：There is no making to form multiple pixel electricity in down polaroid 92
The surface of pole 20 connects with thin film transistor base plate 93；Or there is no making to form multiple pixel electrodes 20 in upper polaroid 96
Surface connect with backlight module 91.
Figure 16 is referred to, in some embodiments, display screen 90 can be OLED display screen, along the luminous side of display screen 90
The glass film transistor base 91 that includes setting gradually to, display screen 90, Organic Light Emitting Diode 92, packaged glass 93, partially
Mating plate 94 and cover plate 95.Ultrasonic sensor 100 can be integrated in OLED display screen 90.For example, ultrasonic sensor 100
It can be integrated between packaged glass 93 and polaroid 94.The remote of display screen 90 is arranged on compared to by ultrasonic sensor 100
From user side, ultrasonic sensor 100, which is integrated between packaged glass 93 and polaroid 94, makes ultrasonic sensor 100 more
Close to user, caused loss is propagated so as to reduce ultrasonic wave in display module 200, lifting ultrasonic sensor 100
Fingerprint recognition precision.
Figure 17 is referred to, in some embodiments, display screen 90 can be OLED display screen, along the luminous side of display screen 90
The glass film transistor base 91 that includes setting gradually to, display screen 90, Organic Light Emitting Diode 92, packaged glass 93, partially
Mating plate 94 and cover plate 95.Ultrasonic sensor 100 can be integrated in OLED display screen 90.For example, ultrasonic sensor 100
It can be integrated between polaroid 94 and cover plate 95.Packaged glass 93 and polarisation are integrated in compared to by ultrasonic sensor 100
Between piece 94, the ultrasonic sensor 100 of present embodiment is closer to user, so as to reduce ultrasonic wave in display module 200
Lost caused by propagating, lift the fingerprint recognition precision of ultrasonic sensor 100.
Figure 18 and Figure 19 is referred to, in some embodiments, display screen 90 can be OLED display screen, along display screen 90
Light emission direction, display screen 90 include glass film transistor base 91, Organic Light Emitting Diode 92, the packaged glass set gradually
93rd, polaroid 94 and cover plate 95.Ultrasonic sensor 100 can be integrated in OLED display screen 90.For example, packaged glass 93
For the base material 10 of ultrasonic sensor 100, multiple pixel electrodes 20 are produced on packaged glass 93 and are in array distribution, and piezoelectricity is first
Part 30 is arranged on packaged glass 93 and covers multiple pixel electrodes 20.Conductive electrode 40 is arranged on piezoelectric element 30, piezoelectricity
Element 30 is between pixel electrode 20 and conductive electrode 40.In other words, the base material 10 in present embodiment is to encapsulate glass
Glass 93, multiple pixel electrodes 20 are produced on one of surface of packaged glass 93, can be that multiple pixel electrodes 20 make
On the surface of the close polaroid 94 of packaged glass 93, now, conductive electrode 40 connects with polaroid 94；Can also be multiple pictures
Plain electrode 20 is produced on the surface (i.e. the surface away from polaroid 94) of the close Organic Light Emitting Diode 92 of packaged glass 93, this
When, conductive electrode 40 connects with Organic Light Emitting Diode 92, so as to which display module 200 need not be additionally provided base material, so as to subtract
The small thickness of display module 200, and then be easy to display module 200 and electronic installation 300 being made thinner.Passed by ultrasonic wave
When sensor 100 is integrated in display module 200, when multiple pixel electrodes 20 are produced on the close polaroid 94 of packaged glass 93
During surface, there is no making to form the surface of multiple pixel electrodes 20 on packaged glass 93 and connect with Organic Light Emitting Diode 92；When
When multiple pixel electrodes 20 are produced on the surface of close Organic Light Emitting Diode 92 of packaged glass 93, do not have on packaged glass 93
The surface that making forms multiple pixel electrodes 20 connects with polaroid 94.
Figure 20 and Figure 21 is referred to, in some embodiments, display screen 90 can be OLED display screen, along display screen 90
Light emission direction, display screen 90 include glass film transistor base 91, Organic Light Emitting Diode 92, the packaged glass set gradually
93rd, polaroid 94 and cover plate 95.Ultrasonic sensor 100 can be integrated in OLED display screen 90.For example, polaroid 94 is
The base material 10 of ultrasonic sensor 100, multiple pixel electrodes 20 are produced on polaroid 94 and are in array distribution, piezoelectric element 30
It is arranged on polaroid 94 and covers multiple pixel electrodes 20.Conductive electrode 40 is arranged on piezoelectric element 30, piezoelectric element 30
Between pixel electrode 20 and conductive electrode 40.In other words, the base material 10 in present embodiment is polaroid 94, multiple
Pixel electrode 20 is produced on a surface of polaroid 94, so as to which display module 200 need not be additionally provided base material, so as to subtract
The small thickness of display module 200, and then be easy to display module 200 and electronic installation 300 being made thinner.Now, will surpass
When sonic sensor 100 is integrated in display module 200, Ke Yishi：There is no making to form multiple pixel electrodes on polaroid 94
20 surface connects with packaged glass 90；Or do not have to make surface and the lid for forming multiple pixel electrodes 20 on polaroid 94
Plate 95 connects.
Figure 22-24 are referred to, in some embodiments, display screen 90 can be flexible OLED display, along display screen 90
Light emission direction, display screen 90 includes the flexible thin-film transistor substrate 91, Organic Light Emitting Diode 92, flexible envelope set gradually
Fill film 93, polaroid 94.Ultrasonic sensor 100 can be integrated in OLED display screen 90.For example, polaroid 94 is ultrasonic wave
The base material 10 of sensor 100, multiple pixel electrodes 20 are produced on polaroid 94 and are in array distribution, and piezoelectric element 30 is arranged on
On polaroid 94 and cover multiple pixel electrodes 20.Conductive electrode 40 is arranged on piezoelectric element 30, and piezoelectric element 30 is located at picture
Between plain electrode 20 and conductive electrode 40.In other words, the base material 10 in present embodiment is polaroid 94, multiple pixel electricity
Pole 20 is produced on a surface of polaroid 94, aobvious so as to reduce so as to which display module 200 need not be additionally provided base material
Show the thickness of module 200, and then be easy to display module 200 and electronic installation 300 being made thinner.Now, passed by ultrasonic wave
When sensor 100 is integrated in display module 200, Ke Yishi：Do not have to make the table for forming multiple pixel electrodes 20 on polaroid 94
Face connects with flexible encapsulating film 93；Or ultrasonic sensor 100 connects with flexible encapsulating film 93.
Figure 25 is referred to, in some embodiments, display screen 90 can be flexible OLED display, along the hair of display screen 90
Light direction, display screen 90 include flexible thin-film transistor substrate 91, Organic Light Emitting Diode 92, the flexible encapsulating film set gradually
93rd, polaroid 94.Ultrasonic sensor 100 can be integrated in OLED display screen 90.For example, ultrasonic sensor 100 is integrated
On the side of the remote flexible encapsulating film 93 of polaroid 94.Display screen 90 is arranged on compared to by ultrasonic sensor 100
Away from user side, ultrasonic sensor 100 is integrated on the side of remote flexible encapsulating film 93 of polaroid 94, makes ultrasound
Wave sensor 100 propagates caused loss, lifting ultrasound closer to user so as to reduce ultrasonic wave in display module 200
The fingerprint recognition precision of wave sensor 100.
It is pointed out that the ultrasonic sensor 100 of the utility model embodiment is arranged on flexible OLED display
On include：Ultrasonic sensor 100 is integrated in flexible OLED display, or ultrasonic sensor 100 is integrated in flexibility
In OLED display screen.
Please continue to refer to Figure 25, in some embodiments, display module 200 also includes cover plate 110.Cover plate 110 is set
On flexible OLED display.In this way, cover plate 110 can play a part of protection to flexible OLED display.
In some embodiments, the material of cover plate 110 is sapphire or strengthened glass.
Cover plate 110 has preferable crushing resistance and translucency made of above-mentioned material, can carry thing to be detected and be pressed against
Pressing force when in display module 200, and the display of flexible OLED display will not be blocked.
In some embodiments, when electronic installation 300 is wearable device (including Intelligent bracelet, intelligent helmet, intelligence
Wrist-watch etc.) when, by the fingerprint identification function of ultrasonic sensor in wearable device 100, wearable device can be used for protecting
Personal health information (wearable device can monitor the parameters such as human heartbeat's pulse, blood pressure) is protected, realizes personal wearable device
And the combination of bio-identification.
Figure 26 and Figure 27 is referred to, in some embodiments, the piezoelectric element 30 of above-mentioned embodiment includes multiple pressures
Electric post 32 and the insulating barrier 34 being filled between multiple piezo columns 32.Multiple piezo columns 32 are arranged on base material 10 and in arrays point
Cloth, multiple piezo columns 32 are corresponding with multiple pixel electrodes 20, and each piezo column 32 covers corresponding pixel electrode 20.Due to piezoelectricity
The array of multiple piezo columns 32 on element 30 is set, therefore each piezo column 32 is electrically done by caused by adjacent piezo column 32
Disturb and vibration interference is smaller, so as to compared to the overall laminated structure being made out of a piezoelectric material, the piezoelectricity member of present embodiment
The caused electric signal under ul-trasonic irradiation of part 30 is more accurate, and then process chip 50 handles the ultrasonic wave shadow that the electric signal is formed
As more accurate.The material of piezo column 32 is Kynoar.The material of insulating barrier 34 can be epoxy resin.Due to epoxy resin
There is excellent adhesive strength to the surface of metal and nonmetallic materials, dielectric properties are good, and deformation retract rate is small, product size
Stability is good, and hardness is high, and pliability is preferable, the features such as to alkali and most of solvent-stable.Therefore, insulating barrier 34 uses asphalt mixtures modified by epoxy resin
Fat is easy to encapsulate piezo column 32 and make it that the structure of piezoelectric element 30 is more stable as filled media.
Figure 28 is referred to, in some embodiments, formed with multiple image element circuits 12 in array distribution on base material 10
And a plurality of wire 14 corresponding with multiple image element circuits 12, multiple image element circuits 12 are corresponding with multiple pixel electrodes 20, each picture
Plain circuit 12 connects with corresponding pixel electrode 20, and every wire 14 is used to connect corresponding image element circuit 12 and process chip
50.Image element circuit 12 is arranged between base material 10 and pixel electrode 20, wire 14 can be arranged on base material 10 and image element circuit
On 12 the same side.In this way, being easy to the making of image element circuit 12 and wire 14, and it is easy to pixel electrode 20 to connect with process chip 50
Connect.In other embodiments, wire 14 can also be arranged on the opposite side with image element circuit 12 of base material 10.
Figure 29 is referred to, in some embodiments, the ultrasonic sensor 100 of above-mentioned embodiment also includes connection electricity
Pole 60 and lead 70.Connection electrode 60 is arranged on the side of remote multiple pixel electrodes 20 of base material 10 and connected with process chip 50
Connect.Pixel electrode 20 is connected to connection electrode 60 by lead 70, and conductive electrode 40 is connected to connection electrode 60 by lead 70.
Lead 70 includes a plurality of pixel electrode lead 72 that is connected with pixel electrode 20, every pixel electrode lead 72 respectively with a picture
Plain electrode 20 connects.Lead 70 also includes the conductive electrode lead 74 of connection corresponding with conductive electrode 40, when conductive electrode 40 is
During the layer structure of entirety, conductive electrode lead 74 is one；When conductive electrode 40 is a plurality of spaced list structure
During conductive electrode 40, the quantity of conductive electrode lead 74 is consistent with the quantity of the conductive electrode 40 of list structure.Present embodiment
By setting lead 70 and connection electrode 60, it is easy to pixel electrode 20 to be electrically connected respectively with process chip 50 with conductive electrode 40.
Refer to Figure 30, in some embodiments, the conductive electrode 40 of above-mentioned embodiment include layer structure 42 and
The extended structure 44 each extended over from the both ends of layer structure 42, layer structure 42 wrap piezoelectricity member jointly with extended structure 44
Part 30.Extended structure 44 can be that the edge of layer structure 42 integrally stretches out to be formed, and extended structure 44 can be stratiform knot
The part at the edge of structure 42 stretches out to be formed.Process chip 50 is electrically connected by extended structure 44 with conductive electrode 40.Such as
This, by setting extended structure 44 to be easy to process chip 50 to be electrically connected with conductive electrode 40.
Figure 31 and Figure 32 is referred to, in some embodiments, the conductive electrode 40 of above-mentioned embodiment includes multiple
Every the conductive electrode 40 of the list structure of setting, the conductive electrode 40 of each list structure and the pixel electrode 20 in same row are right
Should.In other embodiments, the conductive electrode 40 of each list structure is corresponding with the pixel electrode 20 in same a line.Pixel electricity
Pole 20 is corresponding with the conductive electrode 40 of list structure to be easy to pixel electrode 20 to apply height on piezoelectric element 30 with conductive electrode 40
Frequency voltage (such as：Frequency is more than 20KHZ voltage), while it is easy to pixel electrode 20 and conductive electrode 40 to be used for piezoelectric element
30 under piezo-electric effect caused electric signal be delivered in other elements.Relative to the conductive electrode 40 of layer structure, strip knot
The conductive electrode 40 of structure be more convenient for process chip 50 control conductive electrode 40 signal input and output, so as to improve ultrasonic wave
Sensor 100 identifies the precision of fingerprint.
Figure 33 is referred to, in some embodiments, the ultrasonic sensor 100 of above-mentioned embodiment also includes circuit board
80, multiple pixel electrodes 20, conductive electrode 40 and process chip 50 are electrically connected with circuit board 80.Process chip 50 can be with
It is arranged on circuit board 80.Specifically, circuit board 80 can be flexible PCB, and circuit board 80 can be arranged on the remote of base material 10
On side from pixel electrode 20.Circuit board 80 is provided with connector in order to which ultrasonic sensor 100 passes through on circuit board 80
Connector electrically connected with other electronic components.
It should be noted that " multiple pixel electrodes 20 are produced on base material 10 " mentioned in the utility model, " multiple pictures
Plain electrode 20 is produced on colored filter 95 ", " multiple pixel electrodes 20 are produced on thin film transistor base plate 93 ", " multiple
Pixel electrode 20 is produced in upper polaroid 96 ", " multiple pixel electrodes 20 are produced in down polaroid 92 ", " multiple pixels electricity
Pole 20 is produced on packaged glass 93 ", the making in " multiple pixel electrodes 20 are produced on polaroid 94 " include by plated film,
Pixel electrode 20 is directly produced on base material 10, filtered by the techniques such as light blockage coating/development/exposure, etching, removal photoresistance, annealing
On mating plate 95, on substrate 93, on the upper and lower polaroid 92 of upper polaroid 96, on packaged glass 93 and on polaroid 94.
In the description of this specification, reference term " some embodiments ", " embodiment ", " some embodiment party
The description of formula ", " exemplary embodiment ", " example ", " specific example " or " some examples " etc. means with reference to the embodiment party
Formula or example description specific features, structure, material or feature be contained at least one embodiment of the present utility model or
In example.In this manual, identical embodiment or example are not necessarily referring to the schematic representation of above-mentioned term.And
And specific features, structure, material or the feature of description can close in any one or more embodiments or example
Suitable mode combines.
In addition, term " first ", " second " are only used for describing 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 feature.In description of the present utility model, " multiple " are meant that at least two, such as two
It is individual, three etc., unless otherwise specifically defined.
Although embodiment of the present 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 to limitation of the present utility model, one of ordinary skill in the art is of the present utility model
In the range of above-mentioned embodiment can be changed, change, replace and modification, the scope of the utility model by claim and
Its equivalent limits.
Claims (10)
1. a kind of display module, it is characterised in that described including flexible organic light-emitting diode (OLED) display screen and ultrasonic sensor
Ultrasonic sensor is arranged on the flexible organic light-emitting diode (OLED) display screen, and the ultrasonic sensor includes：
Base material；
Multiple pixel electrodes, multiple pixel electrodes make on the substrate and be in array distribution；
Piezoelectric element, the piezoelectric element set on the substrate and cover multiple pixel electrodes, the piezoelectric element
For launching ultrasonic wave and producing electric signal after the ultrasonic wave of thing reflection to be detected is received, multiple pixel electrodes are used for
Receive the electric signal；
Conductive electrode, the conductive electrode are arranged on the piezoelectric element, the piezoelectric element be located at the pixel electrode with
Between the conductive electrode；And
The process chip being connected with multiple pixel electrodes, the process chip are described to be formed for handling the electric signal
The ultrasonograph of thing to be detected.
2. display module according to claim 1, it is characterised in that the film knot that the ultrasonic sensor is integrated
Structure.
3. display module according to claim 1 or 2, it is characterised in that the piezoelectric element is made of piezoelectric
Overall layer structure；Or
The piezoelectric element includes multiple piezo columns, and multiple piezo columns are set on the substrate and be in array distribution, more
The individual piezo column is corresponding with multiple pixel electrodes, the pixel electrode corresponding to each piezo column covering.
4. display module according to claim 1 or 2, it is characterised in that formed with array distribution on the base material
Multiple image element circuits and a plurality of wire corresponding with multiple image element circuits, multiple image element circuits and multiple pixels
Electrode pair is answered, and each image element circuit and the corresponding pixel electrode connect, and the every wire is corresponding for connecting
The image element circuit and the process chip.
5. display module according to claim 1 or 2, it is characterised in that the ultrasonic sensor also includes：
Connection electrode, the connection electrode be arranged on the side of remote multiple pixel electrodes of the base material and with the place
Manage chip connection；And
Lead, the pixel electrode are connected to the connection electrode by the lead, and the conductive electrode passes through the lead
It is connected to the connection electrode.
6. display module according to claim 1 or 2, it is characterised in that the conductive electrode is overall layer structure；
Or
The conductive electrode includes layer structure and the extended structure each extended over from the both ends of layered structure, layered
Structure wraps the piezoelectric element jointly with the extended structure；Or
The conductive electrode includes multiple spaced list structures, the conductive electrode of each list structure and a line or
The pixel electrode on one row is corresponding.
7. display module according to claim 1 or 2, it is characterised in that the light transmittance of the conductive electrode is more than 90%.
8. display module according to claim 1 or 2, it is characterised in that the ultrasonic sensor also includes circuit board,
Multiple pixel electrodes, the conductive electrode and the process chip are electrically connected with the circuit board.
9. display module according to claim 1 or 2, it is characterised in that the display module also includes cover plate, the lid
Plate is arranged on the flexible organic light-emitting diode (OLED) display screen.
10. a kind of electronic installation, it is characterised in that the electronic installation includes：
Housing；
Display module described in claim 1-9 any one, the display module are set on the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721167474.0U CN207182326U (en) | 2017-09-12 | 2017-09-12 | Display module and electronic installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721167474.0U CN207182326U (en) | 2017-09-12 | 2017-09-12 | Display module and electronic installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207182326U true CN207182326U (en) | 2018-04-03 |
Family
ID=61747299
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721167474.0U Expired - Fee Related CN207182326U (en) | 2017-09-12 | 2017-09-12 | Display module and electronic installation |
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| CN (1) | CN207182326U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108924277A (en) * | 2018-05-31 | 2018-11-30 | 业成科技（成都）有限公司 | Panel construction |
| CN109492465A (en) * | 2017-09-12 | 2019-03-19 | 南昌欧菲生物识别技术有限公司 | Display module and electronic device |
-
2017
- 2017-09-12 CN CN201721167474.0U patent/CN207182326U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109492465A (en) * | 2017-09-12 | 2019-03-19 | 南昌欧菲生物识别技术有限公司 | Display module and electronic device |
| CN108924277A (en) * | 2018-05-31 | 2018-11-30 | 业成科技（成都）有限公司 | Panel construction |
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| CP03 | Change of name, title or address |
Address after: 330013 No.699 Tianxiang North Avenue, Nanchang hi tech Industrial Development Zone, Nanchang City, Jiangxi Province Patentee after: Jiangxi OMS Microelectronics Co.,Ltd. Address before: 330013 east of Xueyuan 6th Road, south of Tianxiang Avenue, Nanchang hi tech Industrial Development Zone, Nanchang City, Jiangxi Province Patentee before: OFilm Microelectronics Technology Co.,Ltd. Address after: 330013 east of Xueyuan 6th Road, south of Tianxiang Avenue, Nanchang hi tech Industrial Development Zone, Nanchang City, Jiangxi Province Patentee after: OFilm Microelectronics Technology Co.,Ltd. Address before: 330013 No.698 Tianxiang Avenue, high tech Zone, Nanchang City, Jiangxi Province Patentee before: NANCHANG OFILM BIO-IDENTIFICATION TECHNOLOGY Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20180403 |