CN108962177A - The driving method of a kind of electronic equipment and its liquid crystal display - Google Patents
The driving method of a kind of electronic equipment and its liquid crystal display Download PDFInfo
- Publication number
- CN108962177A CN108962177A CN201810990994.4A CN201810990994A CN108962177A CN 108962177 A CN108962177 A CN 108962177A CN 201810990994 A CN201810990994 A CN 201810990994A CN 108962177 A CN108962177 A CN 108962177A
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- Prior art keywords
- liquid crystal
- crystal display
- hole
- touch electrode
- voltage
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Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
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- 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
-
- 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
- G02F1/1343—Electrodes
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- 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
- G06F3/0412—Digitisers structurally integrated in a display
Abstract
This application discloses a kind of electronic equipment and its driving method of liquid crystal display, which includes liquid crystal display and the optical sensor components for being set to the liquid crystal display back side；Liquid crystal display includes liquid crystal display panel and backlight module, through-hole is offered on backlight module, optical sensor components correspond to through-hole setting, so that the optical path of optical sensor components passes through through-hole；Driving circuit in liquid crystal display panel is used to drive two touch electrodes of corresponding lead to the hole site to generate pressure difference under screen state in putting out for liquid crystal display, and then make the liquid crystal molecule deflection that lead to the hole site is corresponded in liquid crystal display panel, so that the optical path of optical sensor components passes through liquid crystal display panel.By the above-mentioned means, can be improved the screen accounting of display screen, it is advantageously implemented comprehensive screen.
Description
Technical field
This application involves electronic apparatus application technical field, more particularly to a kind of electronic equipment and its liquid crystal display
Driving method.
Background technique
With the development of electronic equipment, in order to meet the needs of people are to comprehensive screen screen accounting, electronic equipment will be more
Electronic component is hidden the design of formula, such as camera, sensor.Wherein, more technical tendencies are in by electronic equipment
Range sensor can accomplish below display screen.But available liquid crystal display screen is mostly normal dark mode, liquid when putting out screen
Brilliant light valve be it is lighttight, cause the optical path of optical sensor to be blocked, liquid crystal display can not be passed through.
Summary of the invention
The technical solution that the application uses is: providing a kind of electronic equipment, which includes liquid crystal display
And it is set to the optical sensor components at the liquid crystal display back side；Liquid crystal display includes liquid crystal display panel and backlight module,
Through-hole is offered on backlight module, optical sensor components correspond to through-hole setting, so that the optical path of optical sensor components passes through through-hole；
Driving circuit in liquid crystal display panel is used to drive two touchings of corresponding lead to the hole site under screen state in putting out for liquid crystal display
It touches electrode and generates pressure difference, and then make the liquid crystal molecule deflection for corresponding to lead to the hole site in liquid crystal display panel, so that optical sensor group
The optical path of part passes through liquid crystal display panel.
Another technical solution that the application uses is: the driving method of the liquid crystal display of a kind of electronic equipment is provided,
The driving method is applied to electronic equipment, and electronic equipment includes liquid crystal display and the light biography for being set to the liquid crystal display back side
Sensor component, liquid crystal display include liquid crystal display panel and backlight module, and through-hole, optical sensor group are offered on backlight module
Part corresponds to through-hole setting, so that the optical path of optical sensor components passes through through-hole；The driving method includes: that detection liquid crystal display is
No is to put out screen state；If so, different voltage is inputted to two touch electrodes of corresponding lead to the hole site, so that corresponding lead to the hole site
Two touch electrodes generate pressure difference, and then the liquid crystal molecule for making correspond to lead to the hole site in liquid crystal display panel deflects, so that light
The optical path of sensor module passes through liquid crystal display panel.
Electronic equipment provided by the present application includes liquid crystal display and the optical sensor for being set to the liquid crystal display back side
Component；Liquid crystal display includes liquid crystal display panel and backlight module, and through-hole, optical sensor components pair are offered on backlight module
Through-hole is answered to be arranged, so that the optical path of optical sensor components passes through through-hole；Driving circuit in liquid crystal display panel is used in liquid crystal
Putting out for display screen drives two touch electrodes of corresponding lead to the hole site to generate pressure difference under screen state, and then makes in liquid crystal display panel
The liquid crystal molecule deflection of corresponding lead to the hole site, so that the optical path of optical sensor components passes through liquid crystal display panel.Pass through above-mentioned side
Formula, using the through-hole on backlight module and controlling liquid crystal molecule deflection opens light valve, puts out screen state in liquid crystal display panel
Under open a light-path, enable optical sensor components to send or receive optical signal by the access, and then realize phase
The function of answering thus makes the optical sensor no setting is required to occupy the position of display screen, then favorably in the outside of electronic equipment
In the screen accounting for improving display screen, screen comprehensively is realized.
Detailed description of the invention
In order to more clearly explain the technical solutions in the embodiments of the present application, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are only some examples of the present application, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.Wherein:
Fig. 1 is the structural schematic diagram of electronic equipment first embodiment provided by the present application；
Fig. 2 is that the position of liquid crystal display and optical sensor components shows in electronic equipment first embodiment provided by the present application
It is intended to；
Fig. 3 is the structural schematic diagram of liquid crystal display panel in electronic equipment first embodiment provided by the present application；
Fig. 4 is the schematic top plan view of liquid crystal display panel in electronic equipment first embodiment provided by the present application；
Fig. 5 is one position view of through-hole and touch electrode in electronic equipment second embodiment provided by the present application；
Fig. 6 is through-hole and touch electrode another location schematic diagram in electronic equipment second embodiment provided by the present application；
Fig. 7 is through-hole and the another position view of touch electrode in electronic equipment second embodiment provided by the present application；
Fig. 8 is the structural schematic diagram of electronic equipment 3rd embodiment provided by the present application；
Fig. 9 is one position view of through-hole and touch electrode in electronic equipment fourth embodiment provided by the present application；
Figure 10 is through-hole and touch electrode another location schematic diagram in electronic equipment fourth embodiment provided by the present application；
Figure 11 is the signal schematic representation in the 5th embodiment of electronic equipment provided by the present application；
Figure 12 is the flow diagram of one embodiment of driving method of the liquid crystal display of electronic equipment provided by the present application.
Specific embodiment
Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodiments
It is contained at least one embodiment of the application.Each position in the description occur the phrase might not each mean it is identical
Embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and
Implicitly understand, embodiment described herein can be combined with other embodiments.
Electronic equipment in the application can be smart phone, tablet computer or other electronics with display screen and set
It is standby.
Refering to fig. 1, Fig. 1 is the structural schematic diagram of electronic equipment first embodiment provided by the present application, the electronic equipment packet
The liquid crystal display 20 for including housing unit 10 and being set in housing unit 10.
Optionally, which specifically includes center component 11, cover plate assembly 12 and rear shell component 13, wherein in
An accommodating space is formed between frame component 11 and cover plate assembly 12, wherein for accommodating liquid crystal display 20.Optionally, this implementation
Cover plate assembly 12 in example is transparent glass cover-plate.
In addition, another accommodating space is formed between center component 11 and rear shell component 13, wherein being used for set battery, master
Plate and other functional units, no longer repeat one by one here.
It is liquid crystal display and optical sensor components in electronic equipment first embodiment provided by the present application in conjunction with Fig. 2, Fig. 2
Position view.
In the present embodiment, electronic equipment further includes an optical sensor components 30, which is arranged in liquid
Between the back side of crystal display screen 20, i.e. center component 11 and liquid crystal display 20.It should be understood that being provided on center component 11
Circuit board, the setting of optical sensor components 30 are connected to processor on circuit boards and by the cabling on circuit board.
Liquid crystal display 20 includes liquid crystal display panel 21 and backlight module 22, offers through-hole 22a on backlight module 22,
The corresponding through-hole 22a setting of optical sensor components 30, so that the optical path of optical sensor components 30 passes through through-hole 22a.
Optionally, in the present embodiment, which is range sensor, for launching outward optical signal,
And the optical signal returned is received to obtain the distance between electronic equipment and barrier.In a specific scene, with hand
For machine, when user answers the call, head senses that head is close close to mobile phone, the range sensor, can pass through processor
Put out screen operation come the display screen to mobile phone, when user answers the call end, head is separate, which senses head
It is separate, lighting operation can be carried out come the display screen to mobile phone by processor.In one embodiment, which is infrared
Sensor.
It should be understood that this range sensor obtains distance by issuing optical signal and receiving optical signal, in this reality
Shi Zhong, the optical signal of sending and received optical signal are to realize paths by through-hole 22a.
It should be understood that as shown in Fig. 2, to realize light sensing there are also a display panel 21 in the top of backlight module 22
The function of device assembly 30, it is necessary to so that optical path passes through the liquid crystal display panel 21.
It is known that the principle of liquid crystal display is to control the deflection of liquid crystal molecule therein by voltage to realize light
The access of line, then, since display screen is not shown, light valve is closed, and optical path is can not to lead to when electronic equipment is in and puts out screen state
It crosses.
As shown in Figure 3 and Figure 4, Fig. 3 is the knot of liquid crystal display panel in electronic equipment first embodiment provided by the present application
Structure schematic diagram, Fig. 4 are the schematic top plan views of liquid crystal display panel in electronic equipment first embodiment provided by the present application.
Wherein the liquid crystal display panel 21 including array substrate 211, color membrane substrates 212 and is set to array substrate 211
Liquid crystal layer 213 between color membrane substrates 212.
In the present embodiment, which is FFS (Fringe Field Switching, fringe field switching)
Type liquid crystal display panel is provided with the touch electrode of multiple array distributions, for obtaining touch signal in array substrate 211.
Due to being provided with touch electrode in the array substrate 211, it can be appreciated that the liquid crystal display panel 21 in the present embodiment is
In-cell type liquid crystal display panel, In-cell refer to the method being embedded into touch panel function in liquid crystal pixel.
In the present embodiment, by taking the first touch electrode 211a and the second touch electrode 211b as an example, if respectively to the first touching
It touches electrode 211a and the second touch electrode 211b inputs different voltage, in the first touch electrode 211a and the second touch electrode
Pressure difference is generated between 211b, then area corresponding with the first touch electrode 211a and the second position touch electrode 211b can be controlled
The deflection of the liquid crystal molecule in domain, to be that light valve is opened, optical path is unobstructed.
It should be understood that the voltage of each touch electrode in liquid crystal display panel 21 is by driving circuit (not shown)
Control, therefore, driving circuit can drive two touchings of the corresponding position through-hole 22a under screen state in putting out for liquid crystal display 21
Touch electrode (i.e. the first touch electrode 211a and the second touch electrode 211b) generate pressure difference, and then make it is right in liquid crystal display panel 21
The liquid crystal molecule of the position through-hole 22a is answered to deflect, so that the optical path of optical sensor components 30 passes through liquid crystal display panel 21.
Electronic equipment provided in this embodiment includes liquid crystal display and the light sensing for being set to the liquid crystal display back side
Device assembly；Liquid crystal display includes liquid crystal display panel and backlight module, and through-hole, optical sensor components are offered on backlight module
Corresponding through-hole setting, so that the optical path of optical sensor components passes through through-hole；Driving circuit in liquid crystal display panel is used in liquid
Putting out for crystal display screen drives two touch electrodes of corresponding lead to the hole site to generate pressure difference under screen state, and then makes liquid crystal display panel
The liquid crystal molecule of middle corresponding lead to the hole site deflects, so that the optical path of optical sensor components passes through liquid crystal display panel.By above-mentioned
Mode, using the through-hole on backlight module and controlling liquid crystal molecule deflection opens light valve, puts out screen shape in liquid crystal display panel
A light-path is opened under state, enables optical sensor components to send or receive optical signal by the access, and then realize
Corresponding function thus makes the optical sensor no setting is required to occupy the position of display screen in the outside of electronic equipment, then have
Conducive to the screen accounting for improving display screen, screen comprehensively is realized.
In electronic equipment second embodiment provided by the present application, opening for through-hole on several different backlight modules is provided
If the embodiment of position.
It should be understood that due to needing to generate pressure difference using two adjacent touch electrodes, and close on this two touch electricity
The molecule of pole can deflect to form light-path, and therefore, the position of the through-hole in backlight module should be generated with the liquid crystal molecule
Light-path it is corresponding.
As shown in figure 5, through-hole 22a can correspond to the center setting of the first touch electrode 211a, certainly, in other embodiments
In, through-hole 22a can also correspond to the center setting of the second touch electrode 211b.
As shown in fig. 6, through-hole 22a is set to the central position between the first touch electrode 211a and the second touch electrode 221b
It sets.In the present embodiment, the first touch electrode 211a and the second touch electrode 221b is two laterally adjacent touch electrodes.
As shown in fig. 7, through-hole 22a is set to the central position between the first touch electrode 211a and the second touch electrode 221b
It sets.In the present embodiment, the first touch electrode 211a and the second touch electrode 221b is two longitudinally adjacent touch electrodes.
It should be understood that above-mentioned Fig. 5-Fig. 7 is schematic top plan view, it is only for indicate the touching of through-hole 22a and first
Touch the positional relationship between electrode 211a and the second touch electrode 221b.
It is the structural schematic diagram of electronic equipment 3rd embodiment provided by the present application refering to Fig. 8, Fig. 8.
In conjunction with Fig. 1, in the present embodiment, optical sensor components 30 include transmitter 31 and receiver 32, and through-hole 22a includes
First sub-through hole 22a1 and the second sub-through hole 22a2；
Wherein, the corresponding first sub-through hole 22a1 setting of transmitter 31, so that the optical path of transmitter 31 passes through the first sub-through hole
22a1, the corresponding second sub-through hole 22a2 setting of receiver 32, so that the optical path of receiver 32 passes through the second sub-through hole 22a2.
In electronic equipment fourth embodiment provided by the present application, first through hole on several different backlight modules is provided
With the embodiment for opening up position of the second through-hole.
As shown in figure 9, the center that the first sub-through hole 22a1 and the second sub-through hole 22a2 respectively correspond two touch electrodes is set
It sets.That is the center setting of the corresponding first touch electrode 221a of the first sub-through hole 22a1, the second sub-through hole 22a2 corresponding second are touched
The center setting of electrode 221b.
As shown in Figure 10, the first sub-through hole 22a1 and the second sub-through hole 22a2 are all set between two touch electrodes, and
The two sides of central point between two touch electrodes.
In the embodiment of above-mentioned Figure 10, the distance between the first sub-through hole 11a1 and the second sub-through hole 22a2 are greater than 2mm.
1, Figure 11 is the signal schematic representation in the 5th embodiment of electronic equipment provided by the present application refering to fig. 1.
In the present embodiment, driving circuit is specifically used for two touch electrodes of control under putting out screen state in liquid crystal display
Periodically generate positive pressure difference or negative sense pressure difference.
Specifically, as shown in figure 11, in the state that S1 therein indicates that screen is lighted, the first touch electrode and second is touched
The voltage of electrode is normal operating voltage V0, and S2 indicates that screen puts out the first touch electrode and the second touch electrode of screen state
Voltage condition.
Wherein, driving circuit is for alternately inputting first voltage V1 or second voltage V2 to the first touch electrode；Wherein,
First voltage V1 is greater than the operating voltage V0 of touch electrode, and second voltage V2 is less than the operating voltage V0 of touch electrode；Driving electricity
Road is also used to when inputting first voltage V1 to the first touch electrode, inputs second voltage V2, or driving to the second touch electrode
Circuit is also used to input first voltage V1 to the second touch electrode when inputting second voltage V2 to the first touch electrode.That is, the
On the contrary, when the first touch electrode is first voltage, second touches the voltage change of one touch electrode and the second touch electrode rule
Touching electrode is second voltage, generates positive pressure difference, and when the first touch electrode is second voltage, the second touch electrode is the first electricity
Pressure generates reverse differential pressure.
2, Figure 12 is the stream of one embodiment of driving method of the liquid crystal display of electronic equipment provided by the present application refering to fig. 1
Journey schematic diagram, this method comprises:
Step 121: whether detection liquid crystal display is to put out screen state.
When the judging result of step 121 is to be, step 122 is executed.
Step 122: different voltage is inputted to two touch electrodes of corresponding lead to the hole site, so that corresponding lead to the hole site
Two touch electrodes generate pressure difference, and then make the liquid crystal molecule deflection that lead to the hole site is corresponded in liquid crystal display panel, so that light passes
The optical path of sensor component passes through liquid crystal display panel.
Specifically, in another embodiment, two touch electrodes include the first touch electrode and the second touch electrode, step
122 specifically include: alternately inputting first voltage or second voltage to the first touch electrode；Wherein, first voltage, which is greater than, touches
The operating voltage of electrode, second voltage are less than the operating voltage of touch electrode；And electric to the first touch electrode input first
When pressure, second voltage is inputted to the second touch electrode, or when inputting second voltage to the first touch electrode, touch electricity to second
Pole inputs first voltage.
It is mentioned it should be understood that driving method provided in this embodiment can be applied to any one embodiment in above-described embodiment
The electronic equipment of confession, drives it, in addition, the driving method can also be stored in memory with the formation of computer program
In, when electronic equipment is in and puts out screen state, these programs are executed using processor to control driving circuit to display screen and carry out
Corresponding driving.In addition, the driving signal figure used in the present embodiment can be no longer superfluous here with the signal graph in refering to fig. 10
It states.
It should be understood that the electronic equipment and driving method that are provided using the above embodiments, can use In-cell
Liquid crystal display realizes the use for shielding lower optical sensor, and then no setting is required in the outside of electronic equipment, occupies the position of display screen
It sets, is then conducive to the screen accounting for improving display screen, realize screen comprehensively.
The foregoing is merely presently filed embodiments, are not intended to limit the scope of the patents of the application, all to utilize this
Equivalent structure or equivalent flow shift made by application specification and accompanying drawing content, it is relevant to be applied directly or indirectly in other
Technical field similarly includes in the scope of patent protection of the application.
Claims (11)
1. a kind of electronic equipment, which is characterized in that including liquid crystal display and be set to the light at the liquid crystal display back side
Sensor module；
The liquid crystal display includes liquid crystal display panel and backlight module, and through-hole, the light are offered on the backlight module
Sensor module corresponds to the through-hole setting, so that the optical path of the optical sensor components passes through the through-hole；
Driving circuit in the liquid crystal display panel be used for the liquid crystal display put out drive under screen state it is corresponding described in
Two touch electrodes of lead to the hole site generate pressure difference, and then make the liquid crystal that the lead to the hole site is corresponded in the liquid crystal display panel
Molecule deflection, so that the optical path of the optical sensor components passes through the liquid crystal display panel.
2. electronic equipment according to claim 1, which is characterized in that
The through-hole corresponds to the center setting of any one touch electrode in described two touch electrodes.
3. electronic equipment according to claim 1, which is characterized in that
The through-hole is set to the central location between described two touch electrodes.
4. electronic equipment according to claim 1, which is characterized in that
The optical sensor components include transmitter and receiver, and the through-hole includes the first sub-through hole and the second sub-through hole；
Wherein, the transmitter corresponds to the first sub-through hole setting, so that the optical path of the transmitter passes through first son
Through-hole, the receiver corresponds to the second sub-through hole setting, so that the optical path of the receiver passes through second sub-through hole.
5. electronic equipment according to claim 4, which is characterized in that
First sub-through hole and second sub-through hole respectively correspond the center setting of described two touch electrodes.
6. electronic equipment according to claim 4, which is characterized in that
First sub-through hole and second sub-through hole are all set between described two touch electrodes, and are located at described two
The two sides of central point between touch electrode.
7. electronic equipment according to claim 6, which is characterized in that
The distance between first sub-through hole and second sub-through hole are greater than 2mm.
8. electronic equipment according to claim 1, which is characterized in that
The driving circuit is specifically used for controlling described two touch electrode periods under screen state in putting out for the liquid crystal display
The generation forward direction pressure difference or negative sense pressure difference of property.
9. electronic equipment according to claim 8, which is characterized in that
Described two touch electrodes include the first touch electrode and the second touch electrode；
The driving circuit is specifically used for alternately inputting first voltage or second voltage to first touch electrode；Wherein,
The first voltage is greater than the operating voltage of touch electrode, and the second voltage is less than the operating voltage of touch electrode；
The driving circuit is also used to touch electricity to described second when inputting the first voltage to first touch electrode
Pole inputs the second voltage, or
The driving circuit is also used to touch electricity to described second when inputting the second voltage to first touch electrode
Pole inputs the first voltage.
10. the driving method of the liquid crystal display of a kind of electronic equipment, which is characterized in that the driving method is set applied to electronics
Standby, the electronic equipment includes liquid crystal display and the optical sensor components for being set to the liquid crystal display back side, described
Liquid crystal display includes liquid crystal display panel and backlight module, and through-hole, the optical sensor group are offered on the backlight module
Part corresponds to the through-hole setting, so that the optical path of the optical sensor components passes through the through-hole；
The driving method includes:
Detect whether the liquid crystal display is to put out screen state；
If so, different voltage is inputted to two touch electrodes of the correspondence lead to the hole site, so that the corresponding lead to the hole site
Two touch electrodes generate pressure difference, and then keep the liquid crystal molecule for corresponding to the lead to the hole site in the liquid crystal display panel inclined
Turn, so that the optical path of the optical sensor components passes through the liquid crystal display panel.
11. driving method according to claim 10, which is characterized in that
Described two touch electrodes include the first touch electrode and the second touch electrode；
Described the step of inputting different voltages to two touch electrodes of the correspondence lead to the hole site, comprising:
Alternately first voltage or second voltage are inputted to first touch electrode；Wherein, the first voltage, which is greater than, touches
The operating voltage of electrode, the second voltage are less than the operating voltage of touch electrode；And
When inputting the first voltage to first touch electrode, to second touch electrode input, second electricity
Pressure, or
When inputting the second voltage to first touch electrode, to second touch electrode input, first electricity
Pressure.
Priority Applications (1)
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| CN201810990994.4A CN108962177B (en) | 2018-08-28 | 2018-08-28 | Electronic equipment and driving method of liquid crystal display screen thereof |
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| CN201810990994.4A CN108962177B (en) | 2018-08-28 | 2018-08-28 | Electronic equipment and driving method of liquid crystal display screen thereof |
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| CN108962177B (en) | 2021-07-27 |
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