CN107390961A - LCDs, electronic equipment and its method - Google Patents
LCDs, electronic equipment and its method Download PDFInfo
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- CN107390961A CN107390961A CN201710564487.XA CN201710564487A CN107390961A CN 107390961 A CN107390961 A CN 107390961A CN 201710564487 A CN201710564487 A CN 201710564487A CN 107390961 A CN107390961 A CN 107390961A
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000011521 glass Substances 0.000 claims abstract description 38
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 32
- 238000001514 detection method Methods 0.000 claims abstract description 31
- MEYZYGMYMLNUHJ-UHFFFAOYSA-N tunicamycin Natural products CC(C)CCCCCCCCCC=CC(=O)NC1C(O)C(O)C(CC(O)C2OC(C(O)C2O)N3C=CC(=O)NC3=O)OC1OC4OC(CO)C(O)C(O)C4NC(=O)C MEYZYGMYMLNUHJ-UHFFFAOYSA-N 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 5
- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical group O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 claims description 2
- 230000036410 touch Effects 0.000 description 34
- 238000010586 diagram Methods 0.000 description 10
- 238000004590 computer program Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 7
- 230000006870 function Effects 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000005291 magnetic effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000006059 cover glass Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- RHZWSUVWRRXEJF-UHFFFAOYSA-N indium tin Chemical compound [In].[Sn] RHZWSUVWRRXEJF-UHFFFAOYSA-N 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/13338—Input devices, e.g. touch panels
Abstract
Present disclose provides a kind of LCDs, including：Upper glassy layer, liquid crystal layer, lower ply of glass, and center layer, wherein, one of the upper glassy layer and lower ply of glass are used as sensor layer, using another or the center layer in the upper glassy layer and lower ply of glass as ground plane, and wherein, the size for the pressure being applied on the LCDs is detected by the capacitance between detection sensor layer and ground plane.The method that the disclosure additionally provides a kind of electronic equipment and detects the size for the pressure being applied on LCDs.
Description
Technical field
This disclosure relates to a kind of LCDs, electronic equipment and its method.
Background technology
With the popularization of portable electric appts, more and more application is provided on a portable electronic device to meet to use
The demand at family.3D touch-controls have become the new trend of touch experience development.In the premise for ensureing basic experience performance, increase
The pressure sensitive of Z axis.
Existing solution is to paste one layer of sensor on liquid crystal display (LCD) back side or complete machine center to be used for pressure
Sensing.
But this scheme requires higher to complete machine structure, and due to additionally increasing by one layer of sensor, add complete machine
Thickness, and increase material and also increase cost.
Therefore, it is necessary to a kind of both without excessively changing complete machine structure, increase cost, the enough electron equipment of and can provides this
The scheme of additional function.
The content of the invention
An aspect of this disclosure provides a kind of LCDs, including：Upper glassy layer, liquid crystal layer, lower ply of glass, with
And center layer, wherein, one of the upper glassy layer and lower ply of glass are used as sensor layer, by the upper glassy layer and lower glass
Another or center layer in layer pass through the electric capacity between detection sensor layer and ground plane as ground plane, and wherein
Value detects the size for the pressure being applied on the LCDs.
Alternatively, the sensor layer includes the film for being formed as comb mesh pattern, and wherein, by detection sensor layer
Capacitance at the corresponding grid in the position of pressure with being applied on LCDs, to detect the size of relevant pressure.
Alternatively, the film on the upper glassy layer is tin indium oxide ito film.
Alternatively, the film of the lower ply of glass is public electrode tunic.
Another aspect of the disclosure provides a kind of method of the size for the pressure for detecting and being applied on LCDs,
Including：Detect touch control operation of the operating body in the liquid crystal display screen surfaces；Determine the sensor layer of the LCDs with
Capacitance between ground plane；And according to the capacitance, determine the size of touch control operation pressure applied.
Alternatively, according to the capacitance, determining the size of pressure applied includes：According to sensor when not applying pressure
Capacitance and the capacitance detected between layer and ground plane, determine sensor layer caused by pressure applied and ground plane
The distance between change, and according to identified distance change determine touch control operation pressure applied size.
Alternatively, the method for the size for the pressure that detection is applied on LCDs also includes：Determine applied pressure
Position of the power on the LCDs；And wherein it is determined that between the sensor layer and ground plane of the LCDs
Capacitance include：Capacitance in detection sensor layer at grid corresponding with the position of pressure.
Another aspect of the disclosure provides a kind of electronic equipment, including：Above-mentioned LCDs；And processor,
For：Detect touch control operation of the operating body in the liquid crystal display screen surfaces；Determine the sensor layer of the LCDs with
Capacitance between ground plane；And according to the capacitance, determine the size of touch control operation pressure applied.
Alternatively, the processor is additionally operable to：Determine position of the pressure applied on the LCDs；And
By the capacitance in detection sensor layer at grid corresponding with the position of pressure, to detect the size of relevant pressure.
Alternatively, the electronic equipment also includes control circuit, and the control circuit is used to control the LCDs
Lower ply of glass film, make its LCDs display time interval formed liquid crystal layer upset drive circuit, in liquid crystal display
The touch-control period of screen is used for the detection of the capacitance.
Another aspect of the present disclosure provides a kind of non-volatile memory medium, is stored with computer executable instructions, institute
Instruction is stated to be used to realize method as described above when executed.
Another aspect of the present disclosure provides a kind of computer program, and the computer program includes the executable finger of computer
Order, the instruction are used to realize method as described above when executed.
Brief description of the drawings
In order to be more fully understood from the disclosure and its advantage, referring now to the following description with reference to accompanying drawing, wherein：
Fig. 1 diagrammatically illustrates the structural representation and its parameter of the existing LCDs with pressure sensitive function
Specification；
Fig. 2 is schematically illustrated using the LCDs shown in Fig. 1 to detect the schematic diagram of the pressure size of touch-control；
Fig. 3 diagrammatically illustrates the structure chart of the LCDs according to the embodiment of the present disclosure；
Fig. 4 diagrammatically illustrates the schematic diagram for the film for being formed as comb mesh pattern；
The detection that Fig. 5 is diagrammatically illustrated in accordance with an embodiment of the present disclosure is applied to the size of the pressure on LCDs
Method flow chart；And
Fig. 6 diagrammatically illustrates the block diagram of electronic equipment in accordance with an embodiment of the present disclosure.
Embodiment
Hereinafter, it will be described with reference to the accompanying drawings embodiment of the disclosure.However, it should be understood that these descriptions are simply exemplary
, and it is not intended to limit the scope of the present disclosure.In addition, in the following description, the description to known features and technology is eliminated, with
Avoid unnecessarily obscuring the concept of the disclosure.
Term as used herein is not intended to limit the disclosure just for the sake of description specific embodiment.Used here as
Word " one ", " one (kind) " and "the" etc. should also include " multiple ", the meaning of " a variety of ", unless context clearly refers in addition
Go out.In addition, term " comprising " as used herein, "comprising" etc. indicate the presence of the feature, step, operation and/or part,
But it is not excluded that in the presence of or other one or more features of addition, step, operation or parts.
All terms (including technology and scientific terminology) as used herein have what those skilled in the art were generally understood
Implication, unless otherwise defined.It should be noted that term used herein should be interpreted that with consistent with the context of this specification
Implication, without should by idealization or it is excessively mechanical in a manner of explain.
Shown in the drawings of some block diagrams and/or flow chart.It should be understood that some sides in block diagram and/or flow chart
Frame or its combination can be realized by computer program instructions.These computer program instructions can be supplied to all-purpose computer,
The processor of special-purpose computer or other programmable data processing units, so as to which these instructions can be with when by the computing device
Create the device for realizing function/operation illustrated in these block diagrams and/or flow chart.
Therefore, the technology of the disclosure can be realized in the form of hardware and/or software (including firmware, microcode etc.).Separately
Outside, the technology of the disclosure can take the form of the computer program product on the computer-readable medium for being stored with instruction, should
Computer program product is available for instruction execution system use or combined command execution system to use.In the context of the disclosure
In, computer-readable medium can be the arbitrary medium that can include, store, transmit, propagate or transmit instruction.For example, calculate
Machine computer-readable recording medium can include but is not limited to electricity, magnetic, optical, electromagnetic, infrared or semiconductor system, device, device or propagation medium.
The specific example of computer-readable medium includes：Magnetic memory apparatus, such as tape or hard disk (HDD)；Light storage device, such as CD
(CD-ROM)；Memory, such as random access memory (RAM) or flash memory；And/or wire/wireless communication link.
Embodiment of the disclosure provides a kind of LCDs, including：Upper glassy layer, liquid crystal layer, lower ply of glass and
Center layer, wherein, one of the upper glassy layer and lower ply of glass are used as sensor layer, by the upper glassy layer and lower ply of glass
In another or center layer as ground plane, and wherein, pass through the capacitance between detection sensor layer and ground plane
To detect the size for the pressure being applied on the LCDs.So, without increasing or liquid crystal need not be significantly increased
The thickness of display screen, it is possible to realize the detection to the size of touch-control pressure.
Existing technical scheme pastes one layer generally on the center of the back side of LCDs or liquid crystal display complete machine
Sensor layer is used for pressure sensitive.Fig. 1 diagrammatically illustrates the structure of the existing liquid crystal display with pressure sensitive function
Schematic diagram and its Parameter specifications.
As shown in figure 1,0.1mm sensor layer (atom) and 0.24mm foamed cotton layer are added on a liquid crystal display
(cushion) 0.34mm complete machine thickness, is added, and increase material can also increase cost.
Fig. 2 is schematically illustrated using the liquid crystal display shown in Fig. 1 to detect the schematic diagram of the pressure size of touch-control.
In sensor layer when showing in touch LCD display but touched without application pressure in Fig. 2 top halfs
Electric capacity C1 be present between (Force Sensor) and the center (Middle Frame, MF) as ground.Half part is shown under figure 2
When applying stressed touch-control on a liquid crystal display, there is deformation in liquid crystal display, deformation also occurs in sensor layer therein,
Electric capacity between sensor layer and center is changed into C2.According to C2 and C1, the distance of sensor layer deformation can be calculated, and after
And the size of the pressure of applied touch-control can be calculated.
The liquid crystal module (LCD module, LCM) that the disclosure proposes to be directed in liquid crystal display is designed optimization, so that
Partially solves existing technical problem.
Fig. 3 diagrammatically illustrates the structure chart of the LCDs according to the embodiment of the present disclosure.
As shown in figure 3, upper glassy layer 340, liquid crystal layer 350, lower glass are included according to the LCDs of the embodiment of the present disclosure
Glass layer 360 and center layer 380.
Fig. 3 also show, according to the LCDs of the embodiment of the present disclosure may also include glass cover-plate (cover glass,
CG) 310, touch control layer 320 and Optical transparent adhesive (optical clear adhesive, OCA) 330.
It can be seen from figure 3 that according to the LCDs of the embodiment of the present disclosure and the existing liquid crystal without pressure detecting
The structure of display screen is identical.
Glass cover-plate 310 is used to protect LCDs, and touch control layer 320, which can detect, is applied to touching on LCDs
Control, Optical transparent adhesive 330 are used to glass cover-plate and touch control layer being adhered to LCDs.Due to these components and the disclosure without
Close, be not described in detail herein.For example, for touch control layer, any touch control layer that can realize touch-control is applicable.And
And touch control layer is also not necessarily as shown in Figure 3 under glass cover-plate.When realizing touch control detection using incell technologies, touch-control
Layer is in identical layer with liquid crystal.
In accordance with an embodiment of the present disclosure, one of the upper glassy layer and lower ply of glass are used as sensor layer, on described
Another or center layer in glassy layer and lower ply of glass is as ground plane.So, detection sensor layer and ground plane are passed through
Between capacitance, the size of the pressure being applied on the LCDs can be detected.
According to one embodiment of the disclosure, sensor layer includes the film for being formed as comb mesh pattern.Pass through detection sensor
Capacitance in layer at the corresponding grid in the position of pressure with being applied on LCDs, to detect the big of relevant pressure
It is small.
According to one embodiment of the disclosure, lower ply of glass is used as sensor layer, upper glassy layer is used as ground plane.
When being under pressure on the glass cover-plate in LCDs, the distance between upper glassy layer and lower ply of glass can be sent out
Changing.
According to the calculation formula C=ε S/ (4 π kd) of electric capacity, wherein ε is dielectric constant, and 4 π k are constants, the size of electric capacity
It is only related to area S, distance d.S is fixed according to the Model Design of sensor layer, therefore d is bigger, and C is smaller；Otherwise d is got over
Small, C is bigger.And d be because deformation quantity change and change.So distance d variable quantity can cause electric capacity C change,
So as to detect the size of pressure.
In existing LCDs, public electrode tunic, typically such as ITO (oxygen are coated with lower ply of glass
Change indium tin) conducting film.This is the film of a flood, and it is connected to the control circuit of LCDs, and the upset for forming liquid crystal is driven
Dynamic circuit.
In in accordance with an embodiment of the present disclosure, the public electrode tunic in lower ply of glass is formed as the film of comb mesh pattern.It is logical
The capacitance crossed at the corresponding grid in position of the pressure in detection sensor layer with being applied on LCDs, to detect phase
Answer pressure.It so can further improve the precision of pressure detecting.
Fig. 4 diagrammatically illustrates the schematic diagram for the film for being formed as comb mesh pattern.
When touch control layer detects touch-control, the position of touch-control according to determined by control circuit, it may be determined that touch-control institute is right
The position for the grid answered.For example, when applying pressure touch on LCDs, touch control layer detects the touch-control, and root
It can determine this touch-control for example positioned at the upper left corner of LCDs according to scanning.This is, it may be determined that the upper left corner shown in Fig. 4
Public electrode tunic grid and ground plane between electric capacity, the pressure of this pressure touch is calculated according to capacitance equation
Size.
The film of comb mesh pattern allows to detect the size of more than one pressure.Apply for example, working as on LCDs
During two pressure touchs, touch control layer detects touch-control, and can determine that the two pressure touchs for example exist respectively according to scanning
The upper left corner and the lower right corner of LCDs.At this moment, the public electrode in the upper left corner and the lower right corner shown in Fig. 4 can be determined respectively
Electric capacity between the grid and ground plane of tunic, the pressure that the two pressure touchs are calculated respectively according to capacitance equation are big
It is small.
According to one embodiment of the disclosure, lower ply of glass is used as sensor layer, center layer is used as ground plane.
When being under pressure on the glass cover-plate in LCDs, the distance between lower ply of glass and center layer can occur
Change.
Equally, the size of pressure can be calculated according to capacitance equation.
According to one embodiment of the disclosure, upper glassy layer is used as sensor layer, lower ply of glass is used as ground plane.
In existing LCDs, colored filter (color filter) is coated with upper glassy layer.
In accordance with an embodiment of the present disclosure, ito film is coated on colored filter, the ito film senses as sensor layer
The change of electric capacity.Ito film is generally very thin, therefore will not significantly increase the thickness of LCDs.
The ito film can be formed as one whole film.
According to one embodiment of the disclosure, the ito film can be formed as the film with comb mesh pattern, as shown in figure 4, with
Further improve the precision of pressure detecting.
When touch control layer detects touch-control, the position of touch-control according to determined by control circuit, it may be determined that touch-control institute is right
The position for the grid answered.For example, when applying two pressure touchs on LCDs, touch control layer detects touch-control, and
It can determine the two pressure touchs for example respectively in the upper left corner of LCDs and the lower right corner according to scanning.At this moment, can be with
The electric capacity between the grid and ground plane of the ito film in the upper left corner and the lower right corner shown in Fig. 4 is determined respectively, according to capacitance equation meter
Calculation obtains the pressure size of the two pressure touchs.
According to one embodiment of the disclosure, upper glassy layer is used as sensor layer, center layer is used as ground plane.
When being under pressure on the glass cover-plate in LCDs, the distance between upper glassy layer and center layer can occur
Change.
Equally, the size of pressure can be calculated according to capacitance equation.
The detection that Fig. 5 is diagrammatically illustrated in accordance with an embodiment of the present disclosure is applied to the size of the pressure on LCDs
Method flow chart.
As shown in figure 5, this method includes operation S501~S503.
In operation S501, touch control operation of the detection operating body in the liquid crystal display screen surfaces.This can be by such as liquid crystal
The touch control layer of display screen is scanned and performed.
Then at operation S502, the capacitance between the sensor layer and ground plane of the LCDs is determined.
Finally at operation S503, according to the capacitance, the size of touch control operation pressure applied is determined.
Specifically, in S503 is operated, according to capacitance when not applying pressure between sensor layer and ground plane and institute
The capacitance of detection, according to above-mentioned capacitance equation, it can calculate because applying caused by pressure, i.e. sensor layer and ground connection
The change of the distance between layer.According to deformation quantity d in LCDs and the corresponding relation of pressure applied, it may be determined that applied
Stressed size.
When determining pressure applied in the position on LCDs by scanning in touch control layer in operating S501,
Operate in S502, determine the capacitance at grid corresponding with the position of pressure in sensor layer.Finally in S503 is operated, root
According to the capacitance, the size of touch control operation pressure applied is determined.So, the precision of pressure detecting, Er Qieke can be improved
To detect the size of more than one pressure.
Lower ply of glass is being used as in the embodiment of sensor layer, for normal display function, public electrode tunic connects
The control circuit of LCDs is connected to, forms the upset drive circuit of liquid crystal.In in accordance with an embodiment of the present disclosure, common electrical
Pole tunic time-sharing multiplex, the display control circuit of LCDs is connected in display time interval, forms the upset driving electricity of liquid crystal
Road, in the pressure detection circuit of touch-control period connection LCDs, detect capacitance.Certainly, pressure detection circuit and display
Control circuit can also be realized by a control circuit.In this case, public electrode tunic is connected to LCDs
Control circuit, control circuit form upset drive circuit in display time interval control public electrode tunic, used in the touch-control period
In the detection of capacitance.
Upper glassy layer is being used as in the embodiment of sensor layer, because ITO layer is not involved in other work(of LCDs
Can, therefore the ITO layer can be connected to the pressure detection circuit of LCDs, detect its capacitance.It is of course also possible to will
Pressure detection circuit is configured to start when touch control layer detects touch-control, the capacitance of ITO layer is detected, with power saving.
Fig. 6 diagrammatically illustrates the block diagram of electronic equipment in accordance with an embodiment of the present disclosure.
As shown in fig. 6, electronic equipment 600 includes LCDs 610 and processor 620.
The electronic equipment 600 can perform the method described above with reference to Fig. 5, to realize to the pressure on LCDs
Size detection.
Specifically, processor 620 is configured as detecting touch control operation of the operating body in the liquid crystal display screen surfaces；It is determined that
Capacitance between the sensor layer and ground plane of the LCDs；And according to the capacitance, it is determined that applying pressure
The size of power.
The processor 620 is additionally operable to：Determine position of the pressure applied on the LCDs；And pass through
Capacitance in detection sensor layer at grid corresponding with the position of pressure, to detect the size of relevant pressure.
Electronic equipment 600 may also include control circuit 630, the film of the lower ply of glass for controlling the LCDs,
It is formed the upset drive circuit of liquid crystal layer in the display time interval of LCDs, be used in the touch-control period of LCDs
The detection of the capacitance.For example, in the display time interval of LCDs, the film of lower ply of glass is set to be connected to LCDs
Display control circuit, the upset drive circuit of liquid crystal is formed, in the touch-control period, the film of lower ply of glass is connected to LCDs
Pressure detection circuit, for detecting capacitance.
In accordance with an embodiment of the present disclosure, processor 620 can at least be implemented partly as hardware circuit, such as scene can
Program gate array (FPGA), programmable logic array (PLA), on-chip system, the system on substrate, the system in encapsulation, special
Integrated circuit (ASIC), or can be come with carrying out the hardware such as any other rational method that is integrated or encapsulating or firmware to circuit
Realize, or realized with software, the appropriately combined of hardware and firmware three kinds of implementations.Or processor 620 can be at least
Computer program module is implemented partly as, when the program is run by computer, the function of corresponding module can be performed.
It will be understood by those skilled in the art that the feature described in each embodiment and/or claim of the disclosure can
To carry out multiple combinations or/or combination, even if such combination or combination are not expressly recited in the disclosure.Especially, exist
In the case of not departing from disclosure spirit or teaching, the feature described in each embodiment and/or claim of the disclosure can
To carry out multiple combinations and/or combination.All these combinations and/or combination each fall within the scope of the present disclosure.
Although the disclosure, art technology has shown and described in the certain exemplary embodiments with reference to the disclosure
Personnel it should be understood that without departing substantially from appended claims and its equivalent restriction spirit and scope of the present disclosure in the case of,
A variety of changes in form and details can be carried out to the disclosure.Therefore, the scope of the present disclosure should not necessarily be limited by above-described embodiment,
But not only should be determined by appended claims, also it is defined by the equivalent of appended claims.
Claims (10)
1. a kind of LCDs, including：
Upper glassy layer,
Liquid crystal layer,
Lower ply of glass, and
Center layer,
Wherein, one of the upper glassy layer and lower ply of glass are used as sensor layer, by the upper glassy layer and lower ply of glass
Another or center layer as ground plane, and
Wherein, the pressure being applied on the LCDs is detected by the capacitance between detection sensor layer and ground plane
The size of power.
2. LCDs according to claim 1, wherein, the sensor layer includes the film for being formed as comb mesh pattern,
And wherein, pass through the electric capacity at the corresponding grid in the position of the pressure in detection sensor layer with being applied on LCDs
Value, to detect the size of relevant pressure.
3. LCDs according to claim 2, wherein, the film on the upper glassy layer is tin indium oxide ito film.
4. LCDs according to claim 2, wherein, the film of the lower ply of glass is public electrode tunic.
5. a kind of method for the size for detecting the pressure being applied on the LCDs according to one of claim 1-4,
Including：
Detect touch control operation of the operating body in the liquid crystal display screen surfaces；
Determine the capacitance between the sensor layer and ground plane of the LCDs；And
According to the capacitance, the size of touch control operation pressure applied is determined.
6. according to the method for claim 5, wherein, according to the capacitance, determining the size of pressure applied includes：
According to capacitance when not applying pressure between sensor layer and ground plane and the capacitance detected, it is determined that applied
The change of the distance between sensor layer caused by pressure and ground plane, and
The size of touch control operation pressure applied is determined according to the change of identified distance.
7. the method according to claim 11, in addition to：
Determine position of the pressure applied on the LCDs；And
Wherein it is determined that the capacitance between the sensor layer and ground plane of the LCDs includes：
Capacitance in detection sensor layer at grid corresponding with the position of pressure.
8. a kind of electronic equipment, including：
According to the LCDs described in one of claim 1-4；And
Processor, it is used for：
Detect touch control operation of the operating body in the liquid crystal display screen surfaces；
Determine the capacitance between the sensor layer and ground plane of the LCDs；And
According to the capacitance, the size of touch control operation pressure applied is determined.
9. electronic equipment according to claim 8, wherein, the processor is additionally operable to：Determine pressure applied in institute
State the position on LCDs；And by the capacitance in detection sensor layer at grid corresponding with the position of pressure,
To detect the size of relevant pressure.
10. electronic equipment according to claim 8, wherein, electronic equipment also includes control circuit, and the control circuit is used
In the film for the lower ply of glass for controlling the LCDs, it is set to form the upset of liquid crystal layer in the display time interval of LCDs
Drive circuit, the detection of the capacitance to be used in the touch-control period of LCDs.
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| CN201710564487.XA CN107390961A (en) | 2017-06-30 | 2017-06-30 | LCDs, electronic equipment and its method |
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| CN201710564487.XA CN107390961A (en) | 2017-06-30 | 2017-06-30 | LCDs, electronic equipment and its method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102541349A (en) * | 2010-12-31 | 2012-07-04 | 刘鸿达 | Touch sensing matrix unit of co-constructed active array, active array and display |
| CN105404036A (en) * | 2015-12-09 | 2016-03-16 | 京东方科技集团股份有限公司 | Display terminal and driving method for same |
| CN105700738A (en) * | 2015-12-21 | 2016-06-22 | 联想(北京)有限公司 | Touch display screen and electronic device |
| CN105824470A (en) * | 2016-03-16 | 2016-08-03 | 昆山龙腾光电有限公司 | Touch display device and mobile terminal |
| CN106842665A (en) * | 2017-02-27 | 2017-06-13 | 联想(北京)有限公司 | Liquid crystal display module and electronic equipment |
-
2017
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102541349A (en) * | 2010-12-31 | 2012-07-04 | 刘鸿达 | Touch sensing matrix unit of co-constructed active array, active array and display |
| CN105404036A (en) * | 2015-12-09 | 2016-03-16 | 京东方科技集团股份有限公司 | Display terminal and driving method for same |
| CN105700738A (en) * | 2015-12-21 | 2016-06-22 | 联想(北京)有限公司 | Touch display screen and electronic device |
| CN105824470A (en) * | 2016-03-16 | 2016-08-03 | 昆山龙腾光电有限公司 | Touch display device and mobile terminal |
| CN106842665A (en) * | 2017-02-27 | 2017-06-13 | 联想(北京)有限公司 | Liquid crystal display module and electronic equipment |
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Application publication date: 20171124 |