CN106446846A - Liquid crystal display screen and terminal equipment - Google Patents
Liquid crystal display screen and terminal equipment Download PDFInfo
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- CN106446846A CN106446846A CN201610866846.2A CN201610866846A CN106446846A CN 106446846 A CN106446846 A CN 106446846A CN 201610866846 A CN201610866846 A CN 201610866846A CN 106446846 A CN106446846 A CN 106446846A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
- G06V40/1306—Sensors therefor non-optical, e.g. ultrasonic or capacitive sensing
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/1347—Preprocessing; Feature extraction
- G06V40/1359—Extracting features related to ridge properties; Determining the fingerprint type, e.g. whorl or loop
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- Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
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- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
Abstract
The embodiment of the invention discloses terminal equipment and a liquid crystal display screen. The terminal equipment comprises an ultrasonic transmitter, an ultrasonic receiver, an ultrasonic controller and a liquid crystal display screen, wherein the ultrasonic emitter and the ultrasonic receiver are respectively and electrically connected with the ultrasonic controller; the ultrasonic emitter is connected with the ultrasonic receiver through electric signals; the ultrasonic receiver is arranged on a first base plate or a second base plate of the liquid crystal display; the arrangement position of the ultrasonic receiver on the first base plate or the second base plate is positioned in the positive projection region of a black matrix of the liquid crystal display. Through the structure of the terminal equipment, the space, occupied by the ultrasonic module, of a terminal equipment main board can be reduced; the ultrasonic signals are prevented from penetrating through the thickness of the whole liquid crystal display screen under the condition of not influencing the display image quality of the terminal equipment.
Description
Technical field
The present invention relates to the communications field, more particularly to a kind of LCDs and a kind of terminal unit.
Background technology
With the continuous development of computer technology, the mobile terminal by taking mobile phone as an example increasingly ceases manner of breathing with the life of people
Close, for example, can be transferred accounts on the net on the mobile terminals such as mobile phone, online payment, start the operation such as application program.While being
Safety problem of the mobile terminal when aforesaid operations are executed is avoided, the technology of fingerprint recognition is arisen at the historic moment.Fingerprint recognition is permissible
In order to mobile terminal is encrypted, fingerprint recognition is carried out when user executes aforesaid operations using mobile terminal, such that it is able to improve shifting
The safety of dynamic terminal.
Fingerprint identification module is to realize the identification for individual fingerprint characteristic by specific inductive module.In simple terms,
Each finger print mobile phones can have a fingerprint identification module, by the fingerprint-collection of user and change into number by the module
According to, the specific region of mobile phone storage is stored in, is called when in use, and different fingerprint identification technology collection fingerprints
Mode also different.At present, the fingerprint identification module of main flow is capacitance type fingerprint module.Capacitance type fingerprint module is to utilize
Silicon crystal unit forms electric field with conductive subcutaneous electrolyte, and the height of fingerprint rises and falls can cause pressure reduction appearance therebetween different
Change, can achieve fingerprint measure whereby.
Capacitance type fingerprint technology of identification is operated using the electric current sensing of human body, and its fingerprint is to wet finger, dry
The recognition success rate of the difficulty finger such as finger is relatively low.In addition, capacitance type fingerprint module needs to occupy the cloth board space of whole machine.
Content of the invention
A kind of LCDs and a kind of terminal unit is embodiments provided, for improving the success of fingerprint recognition
Rate, it is to avoid the cloth board space of occupied terminal equipment, and reduce ultrasonic signal and penetrate the thickness of object to reduce ultrasound wave letter
Number decay.
On the one hand a kind of terminal unit is embodiments provided, including：
Ultrasonic transmitter, ultrasonic receiver, ultrasonic wave controller and LCDs；
The ultrasonic transmitter and the ultrasonic receiver are electrically connected with the ultrasonic wave controller respectively；Described super
Pinger is connected with the ultrasonic receiver signal of telecommunication；The ultrasonic receiver is arranged in the LCDs
On first substrate or second substrate, the position that the ultrasonic receiver is arranged on the first substrate or the second substrate
In the orthographic projection region of the black matrix" in the LCDs；
The ultrasonic transmitter launches ultrasonic signal to the LCDs, and the ultrasonic signal is pressed against
The ultrasonic signal comprising paddy ridge difference is obtained after finger reflection in the LCDs；The surpassing comprising paddy ridge difference
Acoustic signals are reflected to the ultrasonic receiver, by the ultrasonic receiver collection ultrasound comprising paddy ridge difference
Ripple signal is simultaneously transmitted to the ultrasonic wave controller, and the ultrasonic wave controller is to the ultrasonic signal comprising paddy ridge difference
It is identified, obtains finger print data.
In an optional implementation, the ultrasonic receiver includes：At least one ultrasound wave receives sensor；
The ultrasound wave receives the length of sensor and is less than 50um.
In an optional implementation, the ultrasound wave receives sensor and is made out of a piezoelectric material；
The ultrasound wave receives sensor, gathers the pressure that the LCDs are subject to, determines the LCDs
It is target area by the region of the pressure, the operation that the pressure presses the LCDs by finger is produced；
The ultrasonic transmitter launches the ultrasonic signal to the target area.
In an optional implementation, the black matrix" is Chong Die with the ultrasonic receiver orthographic projection region
Region is void region.
In an optional implementation, the ultrasonic wave controller includes：
Receiver module, for receiving the ultrasonic signal comprising paddy ridge difference；
Identification module, for being identified to the ultrasonic signal comprising paddy ridge difference, extracts described comprising paddy
The finger print data of the ultrasonic signal of ridge difference.
In an optional implementation, the ultrasonic transmitter is arranged in the lighttight area of the LCDs
On domain or the terminal unit mainboard.
Two aspects embodiments provide a kind of LCDs, including：
First substrate, second substrate, black matrix", ultrasonic receiver, data extension line；
Ultrasonic receiver is disposed with the first substrate or the second substrate, the ultrasonic receiver is described
The position that arranges on first substrate or the second substrate is in the orthographic projection region of the black matrix", the black matrix"
It is arranged on the first substrate, the data extension line is arranged between the first substrate and the second substrate；Described
Ultrasonic receiver is electrically connected with the data extension line；
The ultrasonic receiver receives the ultrasonic signal comprising paddy ridge difference for obtaining after LCDs reflection,
The ultrasonic signal comprising paddy ridge difference is sent to by ultrasonic wave controller by the data extension line.
In an optional implementation, the ultrasonic receiver includes：At least one ultrasound wave receives sensor；
The ultrasound wave receives the length of sensor and is less than 50um.
In an optional implementation, the ultrasound wave receives sensor and is made out of a piezoelectric material；
The ultrasound wave receives sensor, gathers the pressure that the LCDs are subject to, determines the LCDs
It is target area by the region of the pressure, the operation that the pressure presses the LCDs by finger is produced；
Obtain after the target area reflection that the ultrasonic receiver receives through the LCDs comprising paddy
The ultrasonic signal of ridge difference.
In an optional implementation, the black matrix" is Chong Die with the ultrasonic receiver orthographic projection region
Region is void region.
As can be seen from the above technical solutions, the embodiment of the present invention has advantages below：By by ultrasonic unit circuit
Be combined with each other with display floater and will ultrasound wave receive sensor placement location corresponding with the black matrix" of display floater,
Reduce the impact to display floater image quality, the success rate of fingerprint recognition is improved, and avoids taking the cloth board space of mobile terminal.
Description of the drawings
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, below will be to making needed for embodiment description
Accompanying drawing is briefly introduced, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for this
For the those of ordinary skill in field, without having to pay creative labor, which can also be obtained according to these accompanying drawings
His accompanying drawing.
Fig. 1 is embodiment of the present invention terminal unit structural representation；
A kind of sectional view of the LCDs of Fig. 2 embodiment of the present invention terminal unit；
A kind of sectional view of the LCDs of Fig. 3 embodiment of the present invention terminal unit；
The black matrix structure schematic diagram of Fig. 4 embodiment of the present invention LCDs；
A kind of sectional view of Fig. 5 embodiment of the present invention LCDs；
Another sectional view of Fig. 6 embodiment of the present invention LCDs.
Specific embodiment
In order that the object, technical solutions and advantages of the present invention are clearer, below in conjunction with accompanying drawing the present invention is made into
One step ground is described in detail, it is clear that described embodiment is only present invention some embodiments, rather than whole enforcement
Example.Based on the embodiment in the present invention, those of ordinary skill in the art are obtained under the premise of creative work is not made
All other embodiment, belongs to the scope of protection of the invention.
On the one hand the embodiment of the present invention provides a kind of terminal unit.Fig. 1 shows for embodiment of the present invention terminal unit structure
It is intended to, as shown in figure 1, the terminal unit includes：
Ultrasonic transmitter 101, ultrasonic receiver 102, ultrasonic wave controller 103 and LCDs 104；Fig. 1
Shown LCDs 104 be LCDs a part, do not include whole LCDs, more precisely for
Shown in Fig. 1 is part above the LCDs, i.e. that part from terminal unit mainboard farther out.Due to above-mentioned super
Acoustic receiver 102 is located among above-mentioned LCDs 104, therefore can only receive the super of the LCDs upper part
Acoustic signals.LCDs shown in Fig. 1 are the partial liquid crystal display screens positioned at 102 top of above-mentioned ultrasonic receiver.
Fig. 2 is a kind of sectional view of the LCDs of embodiment of the present invention terminal unit.As shown in Fig. 2 liquid crystal display
Screen includes：First substrate 201, second substrate 202, black matrix" 203, ultrasonic receiver 102.Fig. 3 is the embodiment of the present invention
Another sectional view of the LCDs of terminal unit.As shown in figure 3, LCDs include：First substrate 201, second
Substrate 202, black matrix" 203, ultrasonic receiver 102.Fig. 2 and Fig. 3, one be the LCDs cross section, one
It is the longitudinal section of the LCDs.Black matrix" is made up of orthogonal row matrix and column matrix.Black matrix" in Fig. 2
203 is the sectional view of row matrix, and the black matrix" 203 in Fig. 3 is the sectional view of column matrix.Black matrix" is located at the liquid crystal display
On colored filter between the first substrate 201 of screen, second substrate 202, it is mainly used to cover the part for being not intended to printing opacity.
As shown in figure 1, above-mentioned ultrasonic transmitter 101 and above-mentioned ultrasonic receiver 102 respectively with above-mentioned ultrasound wave control
Device processed 103 is electrically connected；Above-mentioned ultrasonic transmitter 101 is connected with 102 signal of telecommunication of above-mentioned ultrasonic receiver；Above-mentioned ultrasound wave connects
Receive device 102 to be arranged on first substrate 201 or the second substrate 202 of above-mentioned LCDs 104, above-mentioned ultrasonic receiver exists
Black matrix" of the position that arranges on above-mentioned first substrate 201 or above-mentioned second substrate 202 in above-mentioned LCDs 104
In 203 orthographic projection region.
As shown in figure 1, above-mentioned ultrasonic transmitter 101 launches ultrasonic signal to above-mentioned LCDs 104, above-mentioned super
The ultrasonic signal comprising paddy ridge difference is obtained after the finger reflection that acoustic signals are pressed against in above-mentioned LCDs 104；
The above-mentioned ultrasonic signal comprising paddy ridge difference is reflected to above-mentioned ultrasonic receiver 102, by above-mentioned ultrasonic receiver 102
The above-mentioned ultrasonic signal comprising paddy ridge difference of collection is simultaneously transmitted to above-mentioned ultrasonic wave controller 103, above-mentioned ultrasonic wave controller
103 pairs of above-mentioned ultrasonic signals comprising paddy ridge difference are identified, and obtain finger print data.
LCDs include the conduct between first substrate 201, second substrate 202 and first substrate and second substrate
The layer of liquid crystal molecule of display medium, but the layer of liquid crystal molecule is little with the scheme relation of present aspect embodiment, in order to clearly
The structure of terminal unit in the embodiment of the present invention is described, have ignored the layer of liquid crystal molecule.The second substrate 202 with upper surface with
Lower surface, the upper surface is oppositely arranged with lower surface, and the upper surface relatively lower surface is adjacent to the first substrate 201, the upper table
Arrange on face and array structure is driven, such as：Thin film transistor (TFT) (Thin Film Transistor, TFT) array.Equally, this first
Substrate 201 also includes upper and lower surface, and the upper surface is oppositely arranged with lower surface, and the lower surface is compared with upper surface adjacent to this
Second substrate 202.The lower surface of the first substrate is provided with chromatic filter layer and insulating barrier etc. adjacent to the direction of first substrate
Other structures.Black matrix" is just arranged on the chromatic filter layer, although is not drawn into chromatic filter layer in Fig. 2 and Fig. 3, but is not difficult
Understand that the black matrix" is located at the chromatic filter layer.
Fig. 2 is a kind of sectional view of the LCDs of embodiment of the present invention terminal unit.As shown in Fig. 2 ultrasound wave connects
Receipts device 102 is arranged in the upper surface of the second substrate 202 of above-mentioned LCDs 104 or the other positions above the upper surface,
And black of the position arranged on above-mentioned second substrate 202 of above-mentioned ultrasonic receiver 102 in above-mentioned LCDs 104
In the orthographic projection region of matrix 203.Above-mentioned ultrasonic receiver 102 includes：Ultrasound wave receives sensor, signal lead etc..If
The upper surface of above-mentioned second substrate 202 is disposed with tft array, and above-mentioned ultrasonic receiver 102 can be arranged in above-mentioned tft array
On, it is also possible to the other parts being arranged in above 202 upper surface of above-mentioned second substrate, need the condition for meeting to be in the black
In the orthographic projection region of matrix 203.For example, after above-mentioned ultrasonic receiver 102 can be arranged in LCDs 104
In the upper surface of glass plate or tft array.The purpose for being arranged so as to ultrasonic receiver is to avoid ultrasonic wave module occupied terminal
The motherboard space of equipment, and avoid ultrasonic signal from penetrating the thickness of whole LCDs.In addition, ultrasonic receiver cloth
Put in the orthographic projection region of black matrix" 203 be in order to not affect the quality of 104 display picture of above-mentioned LCDs.
Fig. 3 is another sectional view of the LCDs of embodiment of the present invention terminal unit.As shown in figure 3, above-mentioned super
Acoustic receiver 102 is arranged in the lower surface of the first substrate of above-mentioned LCDs 104 or other positions below the lower surface
Put, and the position that above-mentioned ultrasonic receiver 102 is arranged on above-mentioned first substrate 202 is in above-mentioned LCDs 104
In the orthographic projection region of black matrix" 203.For example, above-mentioned ultrasonic receiver 102 can be arranged in chromatic filter layer, absolutely
Edge layer etc..Equally, the purpose for being arranged so as to ultrasonic receiver is the motherboard space for avoiding ultrasonic wave module occupied terminal equipment,
And avoid ultrasonic signal from penetrating the thickness of whole LCDs.In addition, ultrasonic receiver is arranged in black matrix" 203
Orthographic projection region in be in order to not affect the quality of 104 display picture of above-mentioned LCDs.
In an optional implementation, above-mentioned ultrasonic receiver includes：At least one ultrasound wave receives sensor；
Above-mentioned ultrasound wave receives the length of sensor and is less than 50um.
Ultrasonic receiver can receive sensor comprising multiple ultrasound wave, and these ultrasound wave receive sensor and uniformly divide
Cloth is in above-mentioned LCDs, and forward projection region of the position that arranges in the black matrix" 203 of above-mentioned LCDs 104
In domain.As shown in figure 4, black region is black matrix", red, blue on the colored filter of LCDs for separating
And green, white portion is the region that these three colors are occupied.From fig. 4, it can be seen that the width of black matrix" is less than 50um,
In the embodiment of the present invention, ultrasound wave receives the width of sensor length no more than black matrix", similarly less than 50um.
In the embodiment of the present invention, above-mentioned ultrasound wave receives sensor and can be made out of a piezoelectric material；
Above-mentioned ultrasound wave receives sensor, gathers the pressure that above-mentioned LCDs are subject to, determines above-mentioned LCDs
It is target area by the region of above-mentioned pressure, the operation that above-mentioned pressure presses above-mentioned LCDs by finger is produced；
Above-mentioned ultrasonic transmitter launches above-mentioned ultrasonic signal to above-mentioned target area.
Above-mentioned ultrasonic transmitter is made out of a piezoelectric material, and can determine that user presses above-mentioned LCDs well
Region is target area.Above-mentioned ultrasonic transmitter only need to launch ultrasonic signal to above-mentioned target area, without to whole
LCDs launch ultrasonic signal, reduce the consumption of energy.
In the embodiment of the present invention, the above-mentioned black matrix" region Chong Die with above-mentioned ultrasonic receiver orthographic projection region is for engraving
Dummy section.Black matrix" is located in black-matrix layer.Black-matrix layer is Chong Die with above-mentioned ultrasonic receiver orthographic projection region
Region is void region, can cause the energy behind the void region of the black matrix layer of the ultrasonic signal after fingerprint valley spinal reflex
Maximized entrance ultrasound wave receives sensor, and then reduces disturbing of being subject to of ultrasonic signal.
In the embodiment of the present invention, above-mentioned ultrasonic wave controller includes：
Receiver module, for receiving the above-mentioned ultrasonic signal comprising paddy ridge difference；
Identification module, for being identified to the above-mentioned ultrasonic signal comprising paddy ridge difference, extracts above-mentioned comprising paddy
The finger print data of the ultrasonic signal of ridge difference.
Specifically, above-mentioned ultrasonic wave controller receives the above-mentioned ultrasonic signal comprising paddy ridge difference, extracts above-mentioned bag
The fingerprint characteristic of the ultrasonic signal of the difference of ridge containing paddy, and the finger print data comprising above-mentioned fingerprint characteristic is stored.
In the embodiment of the present invention, above-mentioned ultrasonic transmitter is arranged in above-mentioned LCDs lighttight region or above-mentioned
On terminal unit mainboard.Such purpose is to affect the display picture of the LCDs in order to avoid above-mentioned ultrasonic transmitter
Matter.
Two aspects embodiments provide a kind of LCDs.Fig. 5 is embodiment of the present invention LCDs
A kind of sectional view.As shown in figure 5, the LCDs include：First substrate 201, second substrate 202, black matrix" 203, super
Acoustic receiver 102, data extension line (not shown).
Ultrasonic receiver is disposed with above-mentioned first substrate 201 or above-mentioned second substrate 202, above-mentioned ultrasonic receiver
Orthographic projection of 102 positions that arranges on above-mentioned first substrate 201 or above-mentioned second substrate 202 in above-mentioned black matrix" 203
In region, above-mentioned black matrix" 203 is arranged on above-mentioned first substrate 201, and above-mentioned data extension line is arranged on above-mentioned first base
Between plate 201 and above-mentioned second substrate 202；Above-mentioned ultrasonic receiver 102 is electrically connected with above-mentioned data extension line.
Above-mentioned ultrasonic receiver 102 receives the letter of the ultrasound wave comprising paddy ridge difference for obtaining after LCDs reflection
Number, the above-mentioned ultrasonic signal comprising paddy ridge difference is sent to by ultrasonic wave controller by above-mentioned data extension line.
As shown in figure 5, ultrasonic receiver 102 be arranged in the upper surface of the second substrate 202 of LCDs or this on
The other positions of surface, and the position that above-mentioned ultrasonic receiver 102 is arranged on above-mentioned second substrate 202 is in the liquid
In the orthographic projection region of the black matrix" 203 of crystal display screen.Above-mentioned ultrasonic receiver 102 includes：Ultrasound wave reception sensor,
Signal lead etc..If the upper surface of above-mentioned second substrate 202 is disposed with tft array, above-mentioned ultrasonic receiver 102 can be arranged
On above-mentioned tft array, it is also possible to the other parts being arranged in above 202 upper surface of above-mentioned second substrate, the bar for meeting is needed
Part is in the orthographic projection region of black matrix" 203.For example, above-mentioned ultrasonic receiver 102 can be arranged in the liquid
In the upper surface of the rear glass plate of crystal display screen or tft array.The purpose for being arranged so as to ultrasonic receiver is to avoid ultrasound wave
The motherboard space of module occupied terminal equipment, and avoid ultrasonic signal from penetrating the thickness of whole LCDs.In addition, super
Acoustic receiver be arranged in the orthographic projection region of black matrix" 203 be in order to not affect the matter of LCDs display picture
Amount.
Fig. 6 is another sectional view of embodiment of the present invention LCDs.As shown in fig. 6, above-mentioned ultrasonic receiver
Other positions below the lower surface of 102 first substrates for being arranged in the LCDs or the lower surface, and above-mentioned ultrasound wave
Forward projection region of the position that receptor 102 is arranged on above-mentioned first substrate 202 in the black matrix" 203 of the LCDs
In domain.For example, above-mentioned ultrasonic receiver 102 can be arranged in chromatic filter layer, insulating barrier etc..Equally, it is arranged so as to
The purpose of ultrasonic receiver is the motherboard space for avoiding ultrasonic wave module occupied terminal equipment, and avoids ultrasonic signal from wearing
The thickness of saturating whole LCDs.In addition, ultrasonic receiver be arranged in the orthographic projection region of black matrix" 203 be in order to
The quality of the LCDs display picture is not affected.
In an optional implementation, above-mentioned ultrasonic receiver includes：At least one ultrasound wave receives sensor；
Above-mentioned ultrasound wave receives the length of sensor and is less than 50um.
Ultrasonic receiver can receive sensor comprising multiple ultrasound wave, and these ultrasound wave receive sensor and uniformly divide
Cloth is in above-mentioned LCDs, and the position that arranges is in the orthographic projection region of the black matrix" 203 of the LCDs.
As shown in figure 4, black region is black matrix", red, blue and green on the colored filter of LCDs for separating
Color, white portion is the region that these three colors are occupied.From fig. 4, it can be seen that the width of black matrix" is less than 50um, this
In bright embodiment, ultrasound wave receives the width that sensor length is not more than the black matrix", similarly less than 50um.
In the embodiment of the present invention, above-mentioned ultrasound wave receives sensor and can be made out of a piezoelectric material；
Above-mentioned ultrasound wave receives sensor, gathers the pressure that above-mentioned LCDs are subject to, determines above-mentioned LCDs
It is target area by the region of above-mentioned pressure, the operation that above-mentioned pressure presses above-mentioned LCDs by finger is produced；
Above-mentioned ultrasonic transmitter launches above-mentioned ultrasonic signal to above-mentioned target area.
Above-mentioned ultrasonic transmitter is made out of a piezoelectric material, and can determine that user presses above-mentioned LCDs well
Region is target area.Above-mentioned ultrasonic transmitter only need to launch above-mentioned ultrasonic signal to above-mentioned target area, without to
Whole liquid crystal manifests screen transmitting ultrasonic signal, reduces the consumption of energy.
In the embodiment of the present invention, the above-mentioned black matrix" region Chong Die with above-mentioned ultrasonic receiver orthographic projection region is for engraving
Dummy section.Black matrix" is located at black-matrix layer.The black-matrix layer area Chong Die with above-mentioned ultrasonic receiver orthographic projection region
Domain is void region, can cause the ultrasonic signal after fingerprint valley spinal reflex can be most behind the void region of the black matrix layer
The entrance ultrasound wave of bigization receives sensor, and then disturbing of reducing that ultrasonic signal is subject to.
The present invention preferably specific embodiment is these are only, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the change that can readily occur in or is replaced in the technical scope that the embodiment of the present invention is disclosed
Change, should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claim
Enclose and be defined.
Claims (10)
1. a kind of terminal unit, it is characterised in that include：
Ultrasonic transmitter, ultrasonic receiver, ultrasonic wave controller and LCDs；
The ultrasonic transmitter and the ultrasonic receiver are electrically connected with the ultrasonic wave controller respectively；The ultrasound wave
Emitter is connected with the ultrasonic receiver signal of telecommunication；The ultrasonic receiver is arranged in the first of the LCDs
On substrate or second substrate, the position that the ultrasonic receiver is arranged on the first substrate or the second substrate is in
In the orthographic projection region of the black matrix" of the LCDs；
The ultrasonic transmitter launches ultrasonic signal to the LCDs, and the ultrasonic signal is pressed against described
The ultrasonic signal comprising paddy ridge difference is obtained after finger reflection in LCDs；The ultrasound wave comprising paddy ridge difference
Signal is reflected to the ultrasonic receiver, is believed by the ultrasonic receiver collection ultrasound wave comprising paddy ridge difference
Number and be transmitted to the ultrasonic wave controller, the ultrasonic wave controller is carried out to the ultrasonic signal comprising paddy ridge difference
Identification, obtains finger print data.
2. terminal unit according to claim 1, it is characterised in that the ultrasonic receiver includes：At least one ultrasound
Ripple receives sensor；
The ultrasound wave receives the length of sensor and is less than 50um.
3. terminal unit according to claim 2, it is characterised in that the ultrasound wave receives sensor by piezoelectric system
Become；
The ultrasound wave receives sensor, gathers the pressure that the LCDs are subject to, determines that the LCDs are subject to
The region of the pressure is target area, and the operation that the pressure presses the LCDs by finger is produced；
The ultrasonic transmitter launches the ultrasonic signal to the target area.
4. terminal unit according to claim 1, it is characterised in that the black matrix" is just thrown with the ultrasonic receiver
The region that shadow zone domain overlaps is void region.
5. terminal unit according to claim 1, it is characterised in that the ultrasonic wave controller includes：
Receiver module, for receiving the ultrasonic signal comprising paddy ridge difference；
Identification module, for being identified to the ultrasonic signal comprising paddy ridge difference, it is described poor comprising paddy ridge to extract
The finger print data of different ultrasonic signal.
6. terminal unit according to claim 1, it is characterised in that the ultrasonic transmitter is arranged in the liquid crystal display
Shield on lighttight region or the terminal unit mainboard.
7. a kind of LCDs, it is characterised in that include：
First substrate, second substrate, black matrix", ultrasonic receiver, data extension line；
Ultrasonic receiver is disposed with the first substrate or the second substrate, the ultrasonic receiver is described first
The position that arranges on substrate or the second substrate is in the orthographic projection region of the black matrix", and the black matrix" is arranged
On the first substrate, the data extension line is arranged between the first substrate and the second substrate；The ultrasound
Ripple receptor is electrically connected with the data extension line；
The ultrasonic receiver receives the ultrasonic signal comprising paddy ridge difference for obtaining after LCDs reflection, passes through
The ultrasonic signal comprising paddy ridge difference is sent to ultrasonic wave controller by the data extension line.
8. LCDs according to claim 7, it is characterised in that the ultrasonic receiver includes：At least one surpass
Acoustic receiving transducer；
The ultrasound wave receives the length of sensor and is less than 50um.
9. LCDs according to claim 7, it is characterised in that the ultrasound wave receives sensor by piezoelectric system
Become；
The ultrasound wave receives sensor, gathers the pressure that the LCDs are subject to, determines that the LCDs are subject to
The region of the pressure is target area, and the operation that the pressure presses the LCDs by finger is produced；
It is poor comprising paddy ridge that the ultrasonic receiver reception is obtained after the target area reflection through the LCDs
Different ultrasonic signal.
10. LCDs according to claim 7, it is characterised in that the black matrix" and the ultrasonic receiver
The region that orthographic projection region overlaps is void region.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610866846.2A CN106446846A (en) | 2016-09-29 | 2016-09-29 | Liquid crystal display screen and terminal equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610866846.2A CN106446846A (en) | 2016-09-29 | 2016-09-29 | Liquid crystal display screen and terminal equipment |
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| CN106446846A true CN106446846A (en) | 2017-02-22 |
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ID=58171388
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| CN201610866846.2A Pending CN106446846A (en) | 2016-09-29 | 2016-09-29 | Liquid crystal display screen and terminal equipment |
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Cited By (5)
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| CN106971148A (en) * | 2017-03-13 | 2017-07-21 | 宇龙计算机通信科技(深圳)有限公司 | A kind of display screen, control method of electronic device and device |
| CN107273826A (en) * | 2017-05-31 | 2017-10-20 | 北京小米移动软件有限公司 | OLED panel |
| CN107977048A (en) * | 2017-11-22 | 2018-05-01 | 广东欧珀移动通信有限公司 | Display device and electronic equipment |
| CN109492482A (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 |
| CN111381390A (en) * | 2018-12-29 | 2020-07-07 | 南昌欧菲光科技有限公司 | Display panel |
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| WO2019100955A1 (en) * | 2017-11-22 | 2019-05-31 | Oppo广东移动通信有限公司 | Display apparatus and electronic device |
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