CN106484197A - Contact panel and its driving method, driving means - Google Patents
Contact panel and its driving method, driving means Download PDFInfo
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- CN106484197A CN106484197A CN201610922137.1A CN201610922137A CN106484197A CN 106484197 A CN106484197 A CN 106484197A CN 201610922137 A CN201610922137 A CN 201610922137A CN 106484197 A CN106484197 A CN 106484197A
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- touch
- touch control
- control electrode
- contact panel
- electrode
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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
- G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
- G06F3/0421—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means by interrupting or reflecting a light beam, e.g. optical touch-screen
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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
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
Abstract
The invention discloses a kind of contact panel and its driving method, driving means, belong to touch-control field.This contact panel includes photosensitive material layer, is arranged on the lead electrode layer on the surface of the first side of photosensitive material layer, a plurality of first touch control electrode extending in a first direction, and a plurality of second touch control electrode extending in a second direction；Wherein, contact panel has touch area, and a plurality of first touch control electrode is arranged in a crossed manner in touch area with a plurality of second touch control electrode；Part between two adjacent second touch control electrodes for first touch control electrode is contacted with the surface of the second side of photosensitive material layer；The region that first touch control electrode, photosensitive material layer and lead electrode layer contact with each other in the first touch control electrode and photosensitive material layer forms light sensitive diode.The present invention is multiplexed with the design of the electrode of light sensitive diode based on the first touch control electrode, it is possible to achieve photosensitive contact panel lightening, meet its use demand under more application scenarios.
Description
Technical field
The present invention relates to technical field of touch control, particularly to a kind of contact panel and its driving method, driving means.
Background technology
Currently, contact panel has become one of human-computer interface device of main flow.Such as, traditional capacitance type touch-control panel
Arrange to scan line to scan line with a plurality of by interconnected a plurality of row, by detecting the electricity at two scan line intervening portions
The variable quantity holding touches the position of its panel judging finger or conductor, and the change of the position touched by finger judges its movement
Amount and translational speed, and there is the features such as sense of touch is sensitive, light transmittance is high and heat-resist, on current intelligent terminal
Through being widely used.
And with day by day rich and varied use demand, some manufacturers wish function photosensitive for surface can be integrated into tactile
In the middle of control panel.In this regard, modal function Integration Mode i.e. photosensor array substrate stacked in original contact panel
Above or below, thus it is photosensitive to realize surface by photosensor array in the case of not affecting touch controllable function.But, which
The product obtaining at least needs to increase the thickness occupied by a whole photosensor array substrate compared to original contact panel, difficult
To meet current touch panel and its lightening demand of application product.
Content of the invention
For defect of the prior art, the present invention provides a kind of contact panel and its driving method, driving means, permissible
Realize a kind of frivolous contact panel with surface sensitization function.
In a first aspect, the present invention provides a kind of contact panel, described contact panel includes photosensitive material layer, is arranged on described
Lead electrode layer on the surface of the first side of photosensitive material layer, a plurality of first touch control electrode extending in a first direction, and
The a plurality of second touch control electrode extending in a second direction；Wherein,
Described contact panel has touch area, and described a plurality of first touch control electrode and described a plurality of second touch control electrode exist
Arranged in a crossed manner in described touch area；
Part between two adjacent described second touch control electrodes for described first touch control electrode and described light-sensitive material
The surface contact of the second side of layer；
Described first touch control electrode, described photosensitive material layer and described lead electrode layer described first touch control electrode with
The region that described photosensitive material layer contacts with each other forms light sensitive diode.
In a possible implementation, described touch panel has touch-surface；Described photosensitive material layer is located at institute
State the side away from described touch-surface of the first touch control electrode；Described lead electrode layer be located at described photosensitive material layer away from
The side of described touch-surface.
In another possible implementation, described photosensitive material layer includes several light-sensitive materials separated from one another
Block, the surface of the second side first touch control electrode described with of each described blocks of photosensitive material is at adjacent two described second
Contact with each other between touch control electrode.
In another possible implementation, described lead electrode layer includes a plurality of lead electrode separated from one another, often
Lead electrode described in bar and the first side of the described blocks of photosensitive material being located between two adjacent described second touch control electrodes
Surface contacts.
In another possible implementation, described a plurality of first touch control electrode each connects outside described touch area
A touch-control driving signal input；One outside described a plurality of second touch control electrode each connects described touch area is touched
Control sensing signal outfan；A light sensing signal outside described a plurality of leads electrode each connects described touch area is defeated
Go out end.
In another possible implementation, described photosensitive material layer whole face setting；The whole face of described lead electrode layer sets
Put；Described a plurality of first touch control electrode each connect described touch area outside a touch sense signals outfan；Described
A plurality of second touch control electrode each connect described touch area outside a touch-control driving signal input；Described lead electrode
Connect a light sensing signal outfan outside described touch area.
In another possible implementation, described first touch control electrode of vertical bar shaped is at adjacent two described second
Part between touch control electrode is expanded towards the opposite direction of described second direction and/or described second direction, so that described photosensitive
The surface of the second side of material layer is contacted with each other with the part after expansion.
Second aspect, present invention also offers a kind of driving method of any one contact panel above-mentioned, including：
Apply touch-control drive signal to described a plurality of first touch control electrode in the first time period of a drive cycle, with
At described a plurality of second touch control electrode receive touch-sensing signal, or, in the first time period of a drive cycle to
Described a plurality of second touch control electrode applies touch-control drive signal, to receive touch-sensing letter at described a plurality of first touch control electrode
Number；
Apply photosensitive drive signal to described a plurality of first touch control electrode in the second time period of a drive cycle, with
Receive light sensing signal at described lead electrode layer, or, draw to described in the second time period of a drive cycle
Line electrode layer applies photosensitive drive signal, to receive light sensing signal at described a plurality of first touch control electrode；
Wherein, described first time period and second time period mutually stagger in described drive cycle.
In a possible implementation, described light sensitive diode is specially infrared light sensitive diode；Described driving side
Method also includes：
Fingerprint recognition is carried out according to described touch-sensing signal；
When recognizing the fingerprint of human body, judge whether the finger of organism is detected according to described light sensing signal
Infrared signature；
When being not detected by the infrared signature of finger of organism, the source generating recognized fingerprint is not biological
The alarm signal of body.
The third aspect, present invention also offers a kind of driving means of any one contact panel above-mentioned, including：
First signal applying unit, for electric to described a plurality of first touch-control in the first time period of a drive cycle
Pole applies touch-control drive signal, to receive touch-sensing signal at described a plurality of second touch control electrode, or, described first letter
Number applying unit is used for applying touch-control to described a plurality of second touch control electrode in the first time period of a drive cycle driving
Signal, to receive touch-sensing signal at described a plurality of first touch control electrode；
Secondary signal applying unit, for electric to described a plurality of first touch-control in the second time period of a drive cycle
Pole applies photosensitive drive signal, to receive light sensing signal at described lead electrode layer, or, described secondary signal applies
Unit is used for applying photosensitive drive signal to described lead electrode layer in the second time period of a drive cycle, with described
Light sensing signal is received at a plurality of first touch control electrode；
Wherein, described first time period and second time period mutually stagger in described drive cycle.
As shown from the above technical solution, it is multiplexed with the design of an electrode of light sensitive diode based on the first touch control electrode,
The contact panel being provided can save the installation space of an electrode and the manufacturing process of light sensitive diode, compared to integrated meter
Contact panel before the sensitization function of face can only increase photosensitive material layer and the thickness of lead electrode layer is even less, thus can
To realize the lightening of photosensitive contact panel, meet use demand under more application scenarios for the contact panel.
Based on photosensitive with for applying for applying the first time period of touch-control drive signal and reception touch-sensing signal
The design that the second time period of drive signal and reception light sensing signal mutually staggers in drive cycle, the touch-control being provided
The driving method of panel and driving means can coordinate any one contact panel above-mentioned to realize the touch of contact panel at the same time
On the premise of sensing function and light sensing function, the first touch control electrode is multiplexed with an electrode of light sensitive diode, realizes sense
Light contact panel lightening, meet use demand under more application scenarios for the contact panel.
Brief description
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, will make to required in embodiment description below
Accompanying drawing be briefly described it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the set-up mode schematic diagram of touch control electrode in the contact panel that one embodiment of the invention provides；
Fig. 2 is the set-up mode schematic diagram of photosensitive material layer in the contact panel that one embodiment of the invention provides；
Fig. 3 is the set-up mode schematic diagram of lead electrode layer in the contact panel that one embodiment of the invention provides；
Fig. 4 is the A-A ' profile of contact panel shown in Fig. 3 in one embodiment of the invention；
Fig. 5 is the schematic flow sheet of the manufacture method of contact panel that one embodiment of the invention provides；
Fig. 6 is the schematic flow sheet of the driving method of contact panel that one embodiment of the invention provides；
Fig. 7 is the inside annexation schematic diagram of the contact panel that one embodiment of the invention provides；
Fig. 8 is the inside annexation schematic diagram of the contact panel that further embodiment of this invention provides；
Fig. 9 is the A-A ' profile of contact panel shown in Fig. 3 in further embodiment of this invention；
Figure 10 is the schematic flow sheet of the manufacture method of contact panel that further embodiment of this invention provides；
Figure 11 is the cross-sectional view of the contact panel that further embodiment of this invention provides；
Figure 12 is the set-up mode schematic diagram of touch control electrode in the contact panel that further embodiment of this invention provides；
Figure 13 is the part schematic flow sheet of the driving method of contact panel that further embodiment of this invention provides；
Figure 14 is the structured flowchart of the driving means of contact panel that one embodiment of the invention provides；
Figure 15 is the part-structure block diagram of the driving means of contact panel that further embodiment of this invention provides.
Reference：
10 substrates, 11 first touch control electrode, 12 second touch control electrodes, 13 photosensitive material layer, 14 lead electricity
Pole layer, 15 first insulating barriers, 16 second insulating barriers, 17 the 3rd insulating barriers, A1 touch area, R1 first direction,
R2 second direction, P1 touch-control driving signal input, P2 touch sense signals outfan, P3 light sensing signal is defeated
Go out end, U1 shift register cell, INPUT input, OUTPUT outfan, RESET reset terminal, CLK1 first
Clock signal terminal, CLK2 second clock signal end, CLK first clock signal, CLKB second clock signal, STV rises
Beginning signal.
Specific embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is described in further detail.
Fig. 1 is that the plan structure of touch control electrode set-up mode in a kind of contact panel in one embodiment of the invention is illustrated
Figure.As shown in figure 1, the contact panel of the embodiment of the present invention includes a plurality of first touch control electrode 11 that R1 extends in the first direction
A plurality of second touch control electrode 12 that () and in a second direction R2 extend in Fig. 1 only with 8 as an example (in Fig. 1 only using 9 as
Example), and the touch area A1 that a plurality of first touch control electrode 11 is had in contact panel with a plurality of second touch control electrode 12
It is interior that arranged in a crossed manner (in figure only with the cross way of orthogonal formula as an example, can also be any in other implementations
Arranged in a crossed manner under other angles).It should be noted that for making illustrative clarity, being depicted without in contact panel removing first in Fig. 1
Structure beyond touch control electrode 11 and second touch control electrode 12.It is understood that the insulation layer structure in suitable thickness
Under interval, above-mentioned a plurality of first touch control electrode 11 can coordinate other external conditions to realize with above-mentioned a plurality of second touch control electrode 12
The touch-sensing of mutual capacitance type.
In addition to above-mentioned first touch control electrode 11 and above-mentioned second touch control electrode 12, the contact panel of the embodiment of the present invention is also
Including photosensitive material layer 13 and lead electrode layer 14.As shown in Fig. 2 the first touch control electrode 11 is in two adjacent the second touch-control electricity
Part between pole 12 is contacted with the surface of the second side of photosensitive material layer 13；As shown in figure 3, the basis in structure shown in Fig. 2
On, lead electrode layer 14 is arranged on the surface of the first side of photosensitive material layer 13.In Fig. 2 and Fig. 3, vertical paper outside one
Side is the first side of photosensitive material layer 13, and vertical paper side inwards is the second side of photosensitive material layer.Thus, the first touch-control
The area that electrode 11, photosensitive material layer 13 and lead electrode layer 14 are contacted with each other with photosensitive material layer 13 in the first touch control electrode 11
Domain forms light sensitive diode.As a kind of example, in figs. 2 and 3, photosensitive material layer 13 by 8 × 8 square shape photosensitive
Material block is constituted, and 8 lead electrodes that lead electrode layer 14 is extended by R2 in a second direction are constituted, and every two adjacent second are touched
One be provided with a lead electrode layer 14 on the surface of the first side of all blocks of photosensitive material between control electrode 12 is drawn
Line electrode, and the surface of the second side of each blocks of photosensitive material and first touch control electrode 11 adjacent two second
Part between touch control electrode 12 contacts with each other.It should be noted that for making illustrative clarity, being depicted without contact panel in Fig. 2
Interior structure in addition to the first touch control electrode 11, second touch control electrode 12 and photosensitive material layer 13, is depicted without touch surface in Fig. 3
Structure in addition to the first touch control electrode 11, second touch control electrode 12, photosensitive material layer 13 and lead electrode layer 14 in plate.
It is understood that the formation of light sensitive diode means respectively from the first side and the second side contacts photosensitive material layer
13 lead electrode layer 14 and the first touch control electrode 11 have respectively become one of anelectrode and negative electrode of light sensitive diode,
And the photosensitive material layer 13 being clipped between anelectrode and negative electrode then has and makes electric current forward conduction between two electrodes, reversely cuts
Only, the C-V characteristic between two electrodes changes etc. as forming light sensitive diode and required and under the conditions of particular light
Characteristic to be had (when such as adopting semi-conducting material to form photosensitive material layer 13, the quasiconductor between anelectrode and negative electrode
The doping situation of material must be consistent with the structure of the PN junction being formed required by light sensitive diode).
It should be noted that the first touch control electrode in the embodiment of the present invention, second touch control electrode and lead electrode layer
All mainly formed by the good material of electric conductivity, such as metal simple-substance, alloy, metallic compound, metal grill (Metal
Mesh), conducting polymer (Conductive Polymer) etc., those skilled in the art can enter according to practical application request
Row selects.Such as, in order that contact panel has higher light transmittance, can be by above-mentioned first touch control electrode, the second touch-control electricity
At least one in pole and lead electrode layer adopts indium tin oxide quasiconductor (ITO), metal grill (Metal Mesh), silver
Nano wire (Silver Nanowires) or conducting polymer (Conductive Polymer) are formed.
Also, it should be noted the light sensitive diode described in the embodiment of the present invention generally refers to be applied to two
In the presence of the signal of telecommunication on individual electrode, sensing is irradiated to the device of the intensity of the light of given wave band on the light-sensitive material of inside
Part, particular type can be chosen according to practical application request by those skilled in the art.
As can be seen that the first touch control electrode in the embodiment of the present invention can be used for realizing the basis of touch-sensing function
On be additionally operable to serve as an electrode of light sensitive diode, if thus the touch panel of the embodiment of the present invention can realize touching simultaneously
Sensing function and surface sensitization function, then it eliminates light compared to the combination of existing contact panel and photosensor array substrate
The installation space of one electrode of quick diode and manufacturing process, and typically only need to increase light compared to original contact panel
The thickness (much smaller than the thickness of photosensor array substrate) of quick material layer and lead electrode layer, thus photosensitive touch-control can be realized
Panel lightening, meet its use demand under more application scenarios.
As one kind more specifically example, Fig. 4 is the A-A ' section of contact panel shown in Fig. 3 in one embodiment of the invention
Figure.Referring to Fig. 3 and Fig. 4, the contact panel of the embodiment of the present invention include substrate 10, lead electrode layer 14, photosensitive material layer 13,
One insulating barrier 15, a plurality of first touch control electrode 11, the second insulating barrier 16, a plurality of second touch control electrode 12 and the 3rd insulating barrier
17.Thus, the upper table of the touch-surface (front of touch panel) that contact panel has the second insulating barrier 17 as shown in Figure 4
Face provides；Substrate 10 not shown in Fig. 3 is located at the front of lead electrode layer 14, and the 3rd insulating barrier 17 not shown in Fig. 3 exists
The rear of a plurality of second touch control electrode 12.Specifically, referring to Fig. 5, the touch substrate of the embodiment of the present invention can be by following flow process systems
Work obtains：
Step 101：The figure including lead electrode layer is formed on substrate.
Wherein, described lead electrode layer includes a plurality of lead electrode (for example shown in Fig. 4) separated from one another.A kind of possible
Implementation in, described include lead electrode layer figure can by Primary Conductor material patterning processes (refer mainly to using figure
The photoresist of case goes out the process of required figure as mask etching, similarly hereinafter) formed.
Step 102：The figure including photosensitive material layer is formed on described lead electrode layer, except the photosensitive material of described inclusion
Region beyond the figure of the bed of material forms the first insulating barrier.
Wherein, described photosensitive material layer includes several blocks of photosensitive material separated from one another (for example shown in Fig. 2), and described
The upper surface of the upper surface of one insulating barrier and described photosensitive material layer maintains an equal level or approximate maintains an equal level.In a kind of possible implementation
In, step 102 specifically includes：Form the first intrinsic semiconductor layer covering described substrate and described lead electrode layer；Using figure
The photoresist of case, as mask, carries out ion implanting to described first intrinsic semiconductor layer, to form described photosensitive material layer
The first doped region；Form the second intrinsic semiconductor layer covering described first intrinsic semiconductor layer；Peel off the light as mask
Photoresist layer；By the use of the photoresist patterning as mask, ion implanting is carried out to described second intrinsic semiconductor layer, to be formed
State the second doped region of photosensitive material layer；Peel off the photoresist layer as mask.Thus, nonconducting intrinsic semiconductor forms institute
State the first insulating barrier, the upper surface of the first insulating barrier can be made to maintain an equal level with the upper surface of described photosensitive material layer.Alternatively possible
Implementation in, step 102 specifically includes：Form the photoresist layer covering described substrate and described lead electrode layer；Pass through
Including the photoresist in the setting area of the process described photosensitive material layer of removal of development and exposure, formation bottom-exposed goes out described
The groove of lead electrode layer；Form described photosensitive material layer (for example pass through filling, print or above-mentioned composition work in described groove
Skill is realized) so that the upper surface of photosensitive material layer is approximate with the upper surface of described photoresist layer maintains an equal level.Thus, the light being formed
Photoresist layer forms described first insulating barrier.
Step 103：Described first insulating barrier and described photosensitive material layer are formed and includes a plurality of first touch control electrode
Figure (for example shown in Fig. 1).
Wherein, the described figure including a plurality of first touch control electrode covers the upper surface of described photosensitive material layer.In one kind
In possible implementation, the described figure including a plurality of first touch control electrode can be by the patterning processes shape of Primary Conductor material
Become.
Step 104：Form the second insulating barrier covering described a plurality of first touch control electrode and described first insulating barrier.
In a kind of possible implementation, described second insulating barrier can be by primary insulation material (such as photoresist, oxidation
Silicon, silicon nitride etc.) deposition or coating processes formed.
Step 105：The figure including a plurality of second touch control electrode is formed on described second insulating barrier.
Wherein, described a plurality of second touch control electrode is arranged in a crossed manner in touch area with described a plurality of first touch control electrode,
Described lead electrode and described blocks of photosensitive material are respectively positioned on (such as Fig. 3 institute between the described second touch control electrode of adjacent two
Show).In a kind of possible implementation, the described figure including a plurality of first touch control electrode can be by the structure of Primary Conductor material
Figure technique is formed.
Step 106：Form the 3rd insulating barrier covering described second insulating barrier and described a plurality of second touch control electrode.
In a kind of possible implementation, described 3rd insulating barrier can be by primary insulation material (such as photoresist, oxidation
Silicon, silicon nitride etc.) deposition or coating processes formed.
It will be appreciated that the thickness of the thickness of the second insulating barrier 16 and the first touch control electrode 11 determines in technological parameter
Spacing between one touch control electrode 11 and second touch control electrode 12.In touching that finger touches that described 3rd insulating barrier 17 provided
When touching surface, cooperation the first touch control electrode 11 and the suitable circuit structure that connected of second touch control electrode 12 can realize mutual tolerance
Formula touch-sensing.Additionally, the suitable circuit structure being connected between the first touch control electrode 11 and lead electrode can pass through
Detect that the size of the voltage in the size of electric current flowing through light sensitive diode or one electrode obtains light sensitive diode and receives
The intensity of illumination of the light of corresponding wave band arriving, thus the surface realizing contact panel is photosensitive.
It can be seen that being multiplexed with the first touch control electrode of an electrode of light sensitive diode in the embodiment of the present invention
All may need to load certain signal of telecommunication with when realizing light and sensing realizing touch-sensing, and the obvious nothing of the first touch control electrode
Method loads two different signals of telecommunication simultaneously, if therefore touch-sensing function and realizing while the sensitization function of surface must make the
One touch control electrode loads different two signal of telecommunication at any one time, then such technical scheme does not enable.Therefore, the present invention
The contact panel that embodiment provides is applied to the time period of touch-sensing and time period nonoverlapping scene of light sensing.
As the example of a kind of touch-sensing function that can realize and surface sensitization function simultaneously, corresponding to shown in Fig. 4
The contact panel going out, Fig. 6 is the schematic flow sheet of the driving method of this contact panel.Referring to Fig. 6, described driving method includes：
Step 201：Apply touch-control to described a plurality of first touch control electrode in the first time period of a drive cycle to drive
Dynamic signal, to receive touch-sensing signal at described a plurality of second touch control electrode.
Step 202：Apply photosensitive drive to described a plurality of first touch control electrode in the second time period of a drive cycle
Dynamic signal, to receive light sensing signal at described lead electrode layer；
Wherein, described first time period and second time period mutually stagger in described drive cycle.A kind of possible
In implementation, the total length of a drive cycle is 200ms (millisecond, millisecond), in each drive cycle before
The part of 150ms is described first time period, and in each drive cycle, the part of rear 50ms is described second time period.
Thus, the driving method of the embodiment of the present invention will be used for time period of touch-sensing and is used for light in drive cycle
The time period of sensing separately, thus effectively prevent the situation that the first touch control electrode loads two different signals of telecommunication simultaneously, that is,
Confirm the technical scheme of any of the above-described kind of contact panel of an electrode that the first touch control electrode is multiplexed with light sensitive diode
All there is the embodiment that can realize.Applying based on the touch-control drive signal in first time period in each drive cycle and
The reception of touch-sensing signal, can coordinate above-mentioned first touch control electrode and the setting of above-mentioned second touch control electrode to realize touch surface
The touch-sensing function of plate；And the applying based on the photosensitive drive signal in first time period in drive cycle and light sensing letter
Number reception, the setting of above-mentioned light sensitive diode can be coordinated to realize the light sensing function of touch panel.
As can be seen that based on for apply touch-control drive signal and receive touch-sensing signal first time period be used for
Apply the design that the second time period of photosensitive drive signal and reception light sensing signal mutually staggers in drive cycle, this
The driving method of the contact panel of bright embodiment and driving means can coordinate the structure of contact panel illustrated in fig. 4 at the same time
On the premise of realizing the touch-sensing function of contact panel and light sensing function, the first touch control electrode is multiplexed with photosensitive two poles
One electrode of pipe, realizes the lightening of photosensitive contact panel, meets use demand under more application scenarios for the contact panel.
Specific to contact panel illustrated in fig. 4, as shown in fig. 7, in a kind of possible implementation, above-mentioned each signal
Applying and receive can be specifically by following structures realizations contact panel within：Described a plurality of first touch control electrode 11 is respective
Connect touch-control driving signal input P1 outside described touch area A1 (11 points of 8 the first touch control electrode in such as Fig. 7
Lian Jie one of 8 touch-control driving signal input P1)；Described a plurality of second touch control electrode 12 each connects described touch-control
(in such as Fig. 7,9 second touch control electrodes 12 connect 9 and touch a touch sense signals outfan P2 outside the A1 of region respectively
One of control sensing signal outfan P2)；Described a plurality of leads electrode each connects outside described touch area A1
(in such as Fig. 7,8 lead electrodes connect in 8 light sensing signal outfan P3 light sensing signal outfan P3 respectively
One).Thus, in above-mentioned steps 201, especially by export-oriented multiple touch-control driving signal input P1 of touch area A1
Touch-control drive signal is applied in a plurality of first touch control electrode 11 input touch-control drive signal；Especially by touch area
Gather the signal of telecommunication exporting at multiple touch sense signals outfan P2 outside A1 to receive touch-sensing signal, to realize touching
Sensing function.In above-mentioned steps 202, especially by defeated at export-oriented multiple touch-control driving signal input P1 of touch area A1
Enter photosensitive drive signal and photosensitive drive signal is applied to (i.e. touch-control driving signal input in a plurality of first touch control electrode 11
P1 is multiplexed with photosensitive driving signal input)；Especially by gathering outside the A1 of touch area, multiple light sensing signals are defeated
Go out and hold the signal of telecommunication exporting at P3 to receive light sensing signal.As a kind of example, all of lead electrode in touch area
When second time period starts, the first level is set to by unification, a plurality of first touch control electrode 11 receives in second time period successively
Second electrical level, so that receive the period of second electrical level in any bar the first touch control electrode 11, with this first touch control electrode 11
Light sensitive diode for an electrode is operated in cut-off state under first level at two ends with the biasing of second electrical level, but wherein
Receive the light sensitive diode that the light of specific band irradiates inside then can produce electric current make at the lead electrode that it connects by
First level begins to ramp up or declines.Thus, when this first touch control electrode 11 no longer receives second electrical level, can gather
Now leaded electrode voltage, as all light sensitive diodes corresponding to this first touch control electrode 11 light sensing
Signal.It will be appreciated that the amplitude of voltage deviation first level on lead electrode represents corresponding light sensitive diode and is connect
The intensity of illumination that the light of the feature wave band receiving irradiates.Thus, at the end of second time period, can be from the light receiving
The intensity of illumination of the specific band light at each blocks of photosensitive material position in touch area is got, that is, in sensing signal
The surface achieving contact panel is photosensitive.
It should be noted that in the driving method of the contact panel being provided, above-mentioned steps 201 can not shown in accompanying drawing
" the step 203 going out：Apply touch-control to described a plurality of second touch control electrode in the first time period of a drive cycle and drive letter
Number, to receive touch-sensing signal at described a plurality of first touch control electrode " replace, thus realizing touch surface in another way
(a touch-control drive signal outside now a plurality of first touch control electrode each connects touch area is defeated for the touch-sensing function of plate
Enter end, a plurality of second touch control electrode each connect touch area outside a touch-sensing signal outfan)；Above-mentioned steps
202 can " step 204 not shown in accompanying drawing：To described lead electrode layer in the second time period of a drive cycle
Apply photosensitive drive signal, to receive light sensing signal at described a plurality of first touch control electrode " replace, thus with another kind
Mode realizes surface sensitization function (the touch-control driving signal input or touch that now the first touch control electrode connects of touch panel
Sensing signal outfan is multiplexed with light sensing signal outfan, and a plurality of leads electrode each connects outside touch area one
Individual photosensitive driving signal input).It should be noted that the first touch control electrode is easy during receiving touch-sensing signal
Produce larger voltage pulsation, the characteristic of this photosensitive material layer that it may be contacted has undesirable effect, therefore still excellent
Choosing receives touch-sensing signal using second touch control electrode.Be additionally, since in some implementations photosensitive drive signal with touch
Control drive signal can have same or analogous waveform, therefore applies photosensitive driving to the first touch control electrode in different time sections
The simplification of the generating process being designed with beneficial to photosensitive drive signal Yu touch-control drive signal of signal and touch-control drive signal.
It is understood that the contact panel being provided is in any one possible implementation, the first touch control electrode
The quantity of quantity, the quantity of second touch control electrode and lead electrode all can be according to the spatial discrimination of required touch-sensing
The spatial resolution of rate and light sensing is configured, and typically can reach hundreds of or thousands of quantity in actual applications
Level.However, it can be seen that under implementation as shown in Figure 7, each the first touch control electrode 11 must be separately through one
Bar connecting line connects to touch-control driving signal input P1, i.e. above-mentioned connecting line used in actual applications and above-mentioned
The quantity of touch-control driving signal input is likely to reach hundreds of or thousands of orders of magnitude, and this is empty to the wiring on contact panel
Between reduction and the minimizing of port number of connected chip all cause restriction largely.
For this problem, provide the possible implementation of another kind of contact panel and its driving method.As Fig. 8 institute
Show, on the basis of structure shown in Fig. 3, Fig. 4, in addition to including above-mentioned touch area, setting touches the contact panel being provided
Outside control driving signal input P1, also include multi-stage shift register unit U1 outside touch area (in Fig. 8 only with
8 as an example)；The outfan OUTPUT of shift register cell U1 described in every one-level each connects outside touch area one
Individual described touch-control driving signal input P1.In a kind of specific example, every one-level shift register cell U1 has input
End INPUT, outfan OUTPUT, reset terminal RESET, the first clock signal terminal CLK1 and second clock signal end CLK2；Except
The input INPUT of any level shift register cell U1 outside one-level connects the output of upper level shift register cell U1
The reset terminal RESET of end OUTPUT, any level shift register cell U1 except the last connects next stage displacement and posts
The outfan OUTPUT of storage unit U1.One connecting respectively in the first clock signal terminal CLK1 and second clock signal end CLK2
Under the driving of the first clock signal clk to inversion signal each other and second clock signal CLKB, every one-level shift register list
Start after half clock cycle that first U1 can switch to after second electrical level at input INPUT to export in outfan OUTPUT
Second electrical level is it is possible to stop at outfan after switching to half clock cycle after second electrical level at reset terminal RESET
OUTPUT exports second electrical level.Thus it is only necessary to provide initial at the input INPUT of first order shift register cell U1
Signal at signal STV, the reset terminal RESET of afterbody shift register cell U1 and above-mentioned first clock signal clk
With second clock signal CLKB it is possible to provide touch-control to drive letter for a plurality of first touch control electrode 11 in above-mentioned first time period
Number, provide second electrical level successively to a plurality of first touch control electrode 11 in above-mentioned second time period.With the implementation shown in Fig. 7
Compare, used connecting line and touch-control driving signal input can be greatly reduced on the basis of keeping original function
Quantity, is conducive to the minimizing of the port number of the reduction of wiring space on contact panel and connected chip.
It will be appreciated that in any one the possible implementation of the contact panel that the present invention provides, based on touch-control
Panel includes the multi-stage shift register unit outside touch area, and the outfan of every one-level shift register cell is each
The design of a touch-control driving signal input outside connection touch area, can be permissible on the basis of keeping original function
Used connecting line and the quantity of touch-control driving signal input are greatly reduced, are conducive to the wiring space on contact panel
Reduction and connected chip port number minimizing.Certainly, those skilled in the art in actual applications can basis
Actual demand voluntarily chooses whether using this design.
Additionally, also existing in addition to the structure based on touch base plate illustrated in fig. 3, the implementation corresponding to except Fig. 4
Other possible implementations.As shown in figure 9, the contact panel of the embodiment of the present invention includes substrate 10, a plurality of second touch-control electricity
Pole 12, the first insulating barrier 15, a plurality of first touch control electrode 11, photosensitive material layer 13, the second insulating barrier 16, lead electrode layer 14,
And the 3rd insulating barrier 17.Thus, the touch-surface (front of touch panel) that contact panel has as shown in Figure 9 second
The upper surface of insulating barrier 17 provides；Substrate 10 not shown in Fig. 3 is located at the rear of a plurality of second touch control electrode 12, in Fig. 3 not
The 3rd insulating barrier 17 illustrating is located at the front of lead electrode layer 14.Specifically, referring to Figure 10, the touch base of the embodiment of the present invention
Plate can be made by following flow processs and obtain：
Step 301：The figure (for example shown in Fig. 1) including a plurality of second touch control electrode is formed on substrate.
In a kind of possible implementation, the described figure including a plurality of first touch control electrode can be by Primary Conductor material
Patterning processes formed.
Step 302：Form the first of the upper surface of the described substrate of covering and the figure of described a plurality of second touch control electrode
Insulating barrier.
In a kind of possible implementation, described 3rd insulating barrier can be by primary insulation material (such as photoresist, oxidation
Silicon, silicon nitride etc.) deposition or coating processes formed.
Step 303：The figure including a plurality of first touch control electrode is formed on described first insulating barrier.
Wherein, the touch-control that described a plurality of first touch control electrode and described a plurality of second touch control electrode have in contact panel
Arranged in a crossed manner in region.In a kind of possible implementation, the described figure including a plurality of first touch control electrode can be by once
The patterning processes of conductor material are formed.
Step 304：Described a plurality of first touch control electrode forms the figure including photosensitive material layer, except described inclusion
Region beyond the figure of photosensitive material layer forms the second insulating barrier.
Wherein, described photosensitive material layer includes several blocks of photosensitive material separated from one another, the equal position of described blocks of photosensitive material
Between two adjacent described second touch control electrodes (for example shown in Fig. 2)；The upper surface of described second insulating barrier and described light
The upper surface of quick material layer maintains an equal level or approximately maintains an equal level.In a kind of possible implementation, step 102 specifically includes：Formation is covered
Cover described a plurality of first touch control electrode and the first intrinsic semiconductor layer of the first insulating barrier；By the use of patterning photoresist as covering
Film, carries out ion implanting to described first intrinsic semiconductor layer, to form the first doped region of described photosensitive material layer；Formation is covered
Cover the second intrinsic semiconductor layer of described first intrinsic semiconductor layer；Peel off the photoresist layer as mask；Using patterning
Photoresist, as mask, carries out ion implanting to described second intrinsic semiconductor layer, to form the second of described photosensitive material layer
Doped region；Peel off the photoresist layer as mask.Thus, nonconducting intrinsic semiconductor forms described second insulating barrier, can make
The upper surface of the second insulating barrier is maintained an equal level with the upper surface of described photosensitive material layer.In alternatively possible implementation, step
102 specifically include：Form the photoresist layer covering described a plurality of first touch control electrode and the first insulating barrier；By include development and
The process of exposure removes the photoresist in the setting area of described photosensitive material layer, forms bottom-exposed and goes out described first touch-control electricity
The groove of pole；Form described photosensitive material layer (for example pass through filling, print or the realization of above-mentioned patterning processes) in described groove,
The upper surface making photosensitive material layer approximate with the upper surface of described photoresist layer maintains an equal level.Thus, the photoresist layer shape being formed
Become described second insulating barrier.
Step 305：The figure including lead electrode layer is formed on described second insulating barrier；Wherein, described lead electrode
Layer includes a plurality of lead electrode separated from one another.
Described lead electrode is respectively positioned between the described second touch control electrode of adjacent two (as shown in Figure 4).Can in one kind
In the implementation of energy, the described figure including lead electrode layer can be formed by the patterning processes of Primary Conductor material.
Step 306：Form the 3rd insulating barrier covering described second insulating barrier and described lead electrode layer.
In a kind of possible implementation, described 3rd insulating barrier can be by primary insulation material (such as photoresist, oxidation
Silicon, silicon nitride etc.) deposition or coating processes formed.
It will be appreciated that the thickness of the first insulating barrier 15 and the thickness of second touch control electrode 12 determine in technological parameter
Spacing between one touch control electrode 11 and second touch control electrode 12.In touching that finger touches that described 3rd insulating barrier 17 provided
When touching surface, cooperation the first touch control electrode 11 and the suitable circuit structure that connected of second touch control electrode 12 can realize mutual tolerance
Formula touch-sensing.Additionally, the suitable circuit structure being connected between the first touch control electrode 11 and lead electrode can pass through
Detect that the size of the voltage in the size of electric current flowing through light sensitive diode or one electrode obtains light sensitive diode and receives
The intensity of illumination of the light of corresponding wave band arriving, thus the surface realizing contact panel is photosensitive.
However, by the cross-section structure contrasting Fig. 4 and Fig. 9, due to photosensitive material layer 13 and lead electrode layer in Fig. 4
14 are respectively positioned on the first touch control electrode 11 with second touch control electrode 12 away from the side of touch-surface, are therefore realizing touch-sensing
During affected by the electromagnetic interference from photosensitive material layer 13 and lead electrode layer 14 relatively small.There is provided in the present invention
Any one possible implementation of contact panel in, described first touch control electrode is located at based on described photosensitive material layer
Away from the side of described touch-surface, and described lead electrode layer be located at described photosensitive material layer away from described touch-surface
Side design, it is possible to reduce the condenser type that the lead electrode layer mainly being formed by conductor is realized between two touch control electrode
Electromagnetic interference caused by touch-control, the reliability of improving product.Certainly, those skilled in the art in actual applications can basis
Actual demand voluntarily chooses whether using this design.
On the other hand, the concrete structure of photosensitive material layer also there are other in addition to implementation illustrated in fig. 2 can
The implementation of energy, yet there are others in fact in the concrete structure of lead electrode layer in addition to implementation illustrated in fig. 3
Existing mode.As shown in figure 11, the section shown in Figure 11 with respect to the section shown in contact panel location and Fig. 4 with respect to
Contact panel location is corresponding.From unlike structure shown in Fig. 4, photosensitive material layer 13 and lead electrode layer in this example
14 expansion faces setting (i.e. as the Rotating fields of whole face everywhere continuous, occupying certain thickness range of contact panel), thus
Eliminate the first insulating barrier 15.For the structure shown in Fig. 4, the contact panel shown in Figure 11 is by above-mentioned steps 101 He
Step 102 is reduced to photosensitive material layer (the such as priority deposition N forming the lead electrode layer in a whole face and forming a whole face respectively
The semiconductor layer of type doping and the semiconductor layer of p-type doping), thus can have simpler Making programme；And, whole face sets
The lead electrode layer put can shield the electromagnetic interference of both sides, improves the reliability of product.But with the touch-control base shown in Figure 11
Plate is compared, and in the touch base plate shown in Fig. 4, the first insulating barrier 15 easily all has than photosensitive material layer 13 and lead electrode layer 14
Higher light transmittance, therefore can realize higher light transmittance；It is additionally, since lead electrode layer as the continuous structure in a whole face
Can only apply or gather a kind of signal of telecommunication at any time, the touch base plate therefore shown in Fig. 4 is compared to the touch-control shown in Figure 11
Substrate is all relatively small by being limited in the applying of photosensitive drive signal and the reception of light sensing signal, is capable of more
The light sensing of high spatial resolution.For example, (draw when the photosensitive drive signal in second time period is applied on lead electrode layer
Line electrode layer connects a photosensitive driving signal input outside touch area, and the touch-control that the first touch control electrode is connected drives
Signal input part or touch-sensing signal outfan are multiplexed with light sensing signal outfan) when, every first touch control electrode
The electric current that all contacted photosensitive material layer produce under light illumination can be received, therefore can obtain the light in second direction
Strong distribution.And the photosensitive drive signal worked as in second time period is applied on a plurality of first touch control electrode line (lead electrode layer company
Connect a light sensing signal outfan outside touch area, the touch-control driving signal input that the first touch control electrode is connected
Or touch-sensing signal outfan is multiplexed with photosensitive driving signal input) when, each touch-control electricity can be obtained with timesharing
The light intensity summation that extremely corresponding all light sensitive diodes receive, the light intensity that therefore equally can obtain in second direction is divided
Cloth.Comparatively speaking, former mode can gather the telecommunications of all light sensitive diodes using a plurality of first touch control electrode simultaneously
Number, therefore it is more beneficial for second time period and the shortening of drive cycle compared to latter approach.
It will be appreciated that in any one the possible implementation of the contact panel that the present invention provides, based on photosensitive
Material layer includes several blocks of photosensitive material separated from one another, and the surface of the second side of each blocks of photosensitive material is touched with one first
The design that control electrode contacts with each other between two adjacent second touch control electrodes, can increase light transmittance, can also reduce not
With interfering of the light sensitive diode at position.Certainly, those skilled in the art in actual applications can be according to actual need
Ask and voluntarily choose whether using this design.
It will be appreciated that in any one the possible implementation of the contact panel that the present invention provides, based on lead
Electrode layer includes a plurality of lead electrode separated from one another, every lead electrode be located between two adjacent second touch control electrodes
The surface contact of the first side of blocks of photosensitive material design, it is possible to reduce the lead electrode layer mainly being formed by conductor is to two
The electromagnetic interference caused by capacitance touching control realized between touch control electrode, the reliability of improving product.Certainly, art technology
Personnel can voluntarily choose whether using this design in actual applications according to the actual requirements.
Additionally, Figure 12 is the set-up mode schematic diagram of touch control electrode in contact panel in further embodiment of this invention.Pass through
Contrast Fig. 1 and Figure 12 understands, the first touch control electrode 11 of vertical bar shaped illustrated in fig. 12 is in two adjacent described second touch-controls
Part between electrode 12 is expanded towards the opposite direction of second direction R2 and second direction R2, thus defining illustrated in fig. 1
First touch control electrode 11；And from figure 2 it can be seen that the surface of the second side of photosensitive material layer 13 and the first touch control electrode 11
Part after the expansion between two adjacent described second touch control electrodes 12 contacts with each other.It will be appreciated that shown in Fig. 1
The shape of the first touch control electrode 11 is more beneficial for the first touch-control for the shape compared to the first touch control electrode 11 shown in Figure 12
The increase of the mutual capacitance between electrode and the second touch control capacitance, is more beneficial for increasing each light sensitive diode institute light sensing simultaneously
Spatial dimension, thus more excellent touch-sensing can be realized and surface is photosensitive.Certainly, for reaching identical purpose, above-mentioned open up
The direction of exhibition, in addition to being the opposite direction of second direction R2 and second direction R2, can also be single second direction
R2, or the opposite direction of single second direction R2.
It will be appreciated that in any one the possible implementation of the contact panel that the present invention provides, based on vertical bar
Part between two articles of adjacent second touch control electrodes for first touch control electrode of shape is towards the opposite direction and/or of second direction
Two directions are expanded, so that the design that the part after the surface of the second side of photosensitive material layer and expansion contacts with each other, can increase
Mutual capacitance between first touch control electrode and the second touch control capacitance, can also increase the sky of each light sensitive diode institute light sensing
Between scope, thus realizing more excellent touch-sensing and surface is photosensitive.Certainly, those skilled in the art in actual applications can root
Voluntarily choose whether using this design according to actual demand.
Based on same inventive concept, present invention also offers a kind of manufacture method of any one contact panel above-mentioned,
The method comprises the steps：
Substrate is formed and includes photosensitive material layer, lead electrode layer, a plurality of first touch control electrode and a plurality of second tactile
The structure of control electrode.
Specifically, the Making programme of the Making programme shown in Fig. 5 and Figure 10 may each be one kind of this step and implements
Mode, and with reference to described herein and Making programme can obtain the Making programme of contact panel under other structures, here is no longer
Repeat.
The design of an electrode of light sensitive diode, the system of the contact panel being provided are provided based on the first touch control electrode
Make the installation space of an electrode and manufacturing process that method can save light sensitive diode, compared to integrated surface sensitization function
Contact panel before can only increase photosensitive material layer and the thickness of lead electrode layer is even less, thus can realize photosensitive
Contact panel lightening, meet use demand under more application scenarios for the contact panel.
Additionally, being integrated to one of contact panel concrete application example as by surface sensitization function, any of the above-described
On the basis of planting the driving method of contact panel, also include following step as shown in fig. 13 that：
Step 401：Fingerprint recognition is carried out according to touch-sensing signal.
Step 402：When recognizing the fingerprint of human body, judge whether to detect the handss of organism according to light sensing signal
The infrared signature referring to.
Step 403：When being not detected by the infrared signature of finger of organism, generate the source of recognized fingerprint
It is not the alarm signal of organism.
Wherein, described light sensitive diode is specially infrared light sensitive diode.
Specifically, when have infrared light from the back side illuminaton of contact panel to carry out touch action finger when, finger
The intensity of the infrared light that surface is reflected can fluctuate up and down with pulse beat.Thus, it is possible to the infrared light sensing is existed
In a period of time, fluctuating margin exceedes the infrared signature that certain limit is set to the finger of organism, thus carrying out fingerprint up and down
The source that recognized fingerprint can be gone out with effective detection during identification is not the situation of organism, strengthens the safety of fingerprint recognition
Property.Certainly, the characteristic of the infrared light reflection according to human finger surface, can also arrange the finger of other kinds of organism
Infrared signature, the embodiment of the present invention is without limitation.
Corresponding to the driving method of any of the above-described kind of contact panel, present invention also offers a kind of any one touch-control above-mentioned
The driving means of panel, referring to Figure 14, this driving means includes：
First signal applying unit 31, in the first time period of a drive cycle to described a plurality of first touch-control
Electrode applies touch-control drive signal, to receive touch-sensing signal at described a plurality of second touch control electrode, or, described first
Signal applying unit 31 is used for applying touch-control to described a plurality of second touch control electrode in the first time period of a drive cycle
Drive signal, to receive touch-sensing signal at described a plurality of first touch control electrode；
Secondary signal applying unit 32, in the second time period of a drive cycle to described a plurality of first touch-control
Electrode applies photosensitive drive signal, to receive light sensing signal at described lead electrode layer, or, described secondary signal is applied
Plus unit 31 be used in the second time period of a drive cycle to described lead electrode layer apply photosensitive drive signal, with
Light sensing signal is received at described a plurality of first touch control electrode；
Wherein, described first time period and second time period mutually stagger in described drive cycle.
Specifically, the first signal applying unit 31 and the specifically optional working method of secondary signal applying unit 32 are upper
Be given in the description stating driving method, here is not repeating.It is understood that the applying of signal represents corresponding units with receiving
With the annexation of corresponding construction in contact panel, also illustrate the circuit function that corresponding units are implemented.Can at some
In the implementation of energy, above-mentioned driving means can be realized by such as digital circuit or the microcomputer comprising processor.
As can be seen that based on for apply touch-control drive signal and receive touch-sensing signal first time period be used for
Apply the design that the second time period of photosensitive drive signal and reception light sensing signal mutually staggers in drive cycle, carried
For the driving method of contact panel any one contact panel above-mentioned can be coordinated to realize the touch sense of contact panel at the same time
On the premise of brake and light sensing function, the first touch control electrode is multiplexed with an electrode of light sensitive diode, realizes photosensitive
Contact panel lightening, meet use demand under more application scenarios for the contact panel.
Corresponding to the flow process of the driving method shown in above-mentioned Figure 13, in a possible realization of the driving means being provided
In mode, described light sensitive diode is specially infrared light sensitive diode；Described driving means also include as shown in figure 15 following
Structure：
Recognition unit 33, for carrying out fingerprint recognition according to described touch-sensing signal；
Judging unit 34, for recognize in described recognition unit 33 human body fingerprint when, according to described light sense letter
Number judge whether the infrared signature of the finger of organism is detected；
Signal generating unit 35, for the finger judging to be not detected by organism in judging unit 34 infrared signature when, raw
The source of the recognized fingerprint of one-tenth is not the alarm signal of organism.
It will be appreciated that the driving means of the embodiment of the present invention by such as digital circuit or can comprise the miniature of processor
Computer is realized.
Specifically, when have infrared light from the back side illuminaton of contact panel to carry out touch action finger when, finger
The intensity of the infrared light that surface is reflected can fluctuate up and down with pulse beat.Thus, it is possible to the infrared light sensing is existed
In a period of time, fluctuating margin exceedes the infrared signature that certain limit is set to the finger of organism, thus carrying out fingerprint up and down
The source that recognized fingerprint can be gone out with effective detection during identification is not the situation of organism, strengthens the safety of fingerprint recognition
Property.Certainly, the characteristic of the infrared light reflection according to human finger surface, can also arrange the finger of other kinds of organism
Infrared signature, the embodiment of the present invention is without limitation.
Based on same inventive concept, the embodiment of the present invention additionally provides a kind of the aobvious of any of the above-described kind of contact panel of inclusion
Showing device, this display device can be：Mobile phone, panel computer, television set, display, notebook computer, DPF, navigation
Any product with display function such as instrument or part.In a kind of possible implementation, this display device includes infrared light
Backlight, with coordinate above-mentioned driving method or driving means to realize the source of above-mentioned recognized fingerprint be not organism
Effective detection of situation.
It is multiplexed with the design of an electrode of light sensitive diode based on the first touch control electrode, the display device being provided is permissible
Save the installation space of an electrode and the manufacturing process of light sensitive diode, can only increase compared to original display device photosensitive
The thickness of material layer and lead electrode layer is even less, thus the display device that can realize having surface sensitization function is frivolous
Change so as to more colourful functional experience can be possessed on the basis of existing display device.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all spirit in the present invention and
Within principle, any modification, equivalent substitution and improvement made etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of contact panel, it is characterised in that described contact panel includes photosensitive material layer, is arranged on described photosensitive material layer
The surface of the first side on lead electrode layer, a plurality of first touch control electrode extending in a first direction, and in a second direction
The a plurality of second touch control electrode extending；Wherein,
Described contact panel has touch area, and described a plurality of first touch control electrode and described a plurality of second touch control electrode are described
Arranged in a crossed manner in touch area；
Part between two adjacent described second touch control electrodes for described first touch control electrode and described photosensitive material layer
The surface contact of the second side；
Described first touch control electrode, described photosensitive material layer and described lead electrode layer described first touch control electrode with described
The region that photosensitive material layer contacts with each other forms light sensitive diode.
2. contact panel according to claim 1 is it is characterised in that described touch panel has touch-surface；Described light
Quick material layer is located at the side away from described touch-surface of described first touch control electrode；Described lead electrode layer is located at described light
The side away from described touch-surface of quick material layer.
3. contact panel according to claim 1 and 2 is it is characterised in that described photosensitive material layer includes several each other
Detached blocks of photosensitive material, the surface of the second side first touch control electrode described with of each described blocks of photosensitive material is adjacent
Two described second touch control electrodes between contact with each other.
4. contact panel according to claim 3 it is characterised in that described lead electrode layer include a plurality of separated from one another
Lead electrode, every described lead electrode and the described blocks of photosensitive material being located between two adjacent described second touch control electrodes
The first side surface contact.
5. contact panel according to claim 4 it is characterised in that described a plurality of first touch control electrode each connect described
A touch-control driving signal input outside touch area；Described a plurality of second touch control electrode each connects described touch area
Outside a touch sense signals outfan；Described a plurality of leads electrode each connect described touch area outside a light
Line sensing signal outfan.
6. contact panel according to claim 1 and 2 is it is characterised in that the whole face of described photosensitive material layer is arranged；Described draw
The whole face of line electrode layer is arranged；A touch-control sensing outside described a plurality of first touch control electrode each connects described touch area is believed
Number outfan；A touch-control drive signal outside described a plurality of second touch control electrode each connects described touch area inputs
End；Described lead electrode connects a light sensing signal outfan outside described touch area.
7. contact panel according to claim 1 and 2 is it is characterised in that described first touch control electrode of vertical bar shaped is in phase
Part between two adjacent described second touch control electrodes is opened up towards the opposite direction of described second direction and/or described second direction
Exhibition, so that the surface of the second side of described photosensitive material layer is contacted with each other with the part after expansion.
8. a kind of driving method of the contact panel as any one of claim 1 to 7 is it is characterised in that include：
Apply touch-control drive signal to described a plurality of first touch control electrode in the first time period of a drive cycle, with institute
State at a plurality of second touch control electrode reception touch-sensing signal, or, to described in the first time period of a drive cycle
A plurality of second touch control electrode applies touch-control drive signal, to receive touch-sensing signal at described a plurality of first touch control electrode；
Apply photosensitive drive signal to described a plurality of first touch control electrode in the second time period of a drive cycle, with institute
State reception light sensing signal at lead electrode layer, or, to described lead electricity in the second time period of a drive cycle
Pole layer applies photosensitive drive signal, to receive light sensing signal at described a plurality of first touch control electrode；
Wherein, described first time period and second time period mutually stagger in described drive cycle.
9. driving method according to claim 8 is it is characterised in that described light sensitive diode is specially infrared photosensitive two poles
Pipe；Described driving method also includes：
Fingerprint recognition is carried out according to described touch-sensing signal；
When recognizing the fingerprint of human body, judge whether the infrared of the finger of organism is detected according to described light sensing signal
Feature；
When being not detected by the infrared signature of finger of organism, the source generating recognized fingerprint is not organism
Alarm signal.
10. a kind of driving means of the contact panel as any one of claim 1 to 7 are it is characterised in that include：
First signal applying unit, for applying to described a plurality of first touch control electrode in the first time period of a drive cycle
Plus touch-control drive signal, to receive touch-sensing signal at described a plurality of second touch control electrode, or, described first signal is applied
Plus unit is used for applying touch-control drive signal to described a plurality of second touch control electrode in the first time period of a drive cycle,
To receive touch-sensing signal at described a plurality of first touch control electrode；
Secondary signal applying unit, for applying to described a plurality of first touch control electrode in the second time period of a drive cycle
Loading optical drive signal, to receive light sensing signal at described lead electrode layer, or, described secondary signal applying unit
For applying photosensitive drive signal to described lead electrode layer in the second time period of a drive cycle, with described a plurality of
Light sensing signal is received at first touch control electrode；
Wherein, described first time period and second time period mutually stagger in described drive cycle.
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| CN108304096A (en) * | 2018-03-15 | 2018-07-20 | 京东方科技集团股份有限公司 | The tactile method of touch control component and preparation method thereof, touch control display apparatus and damp proof mistake |
| WO2019174371A1 (en) * | 2018-03-15 | 2019-09-19 | 京东方科技集团股份有限公司 | Touch component and preparation method thereof, touch display device, and method for preventing mistaken touch caused by liquid |
| US10936122B2 (en) | 2018-03-15 | 2021-03-02 | Hefei Xinsheng Optoelectronics Technology Co., Ltd. | Touch control component, manufacturing method thereof, touch display device and method for preventing mistaken touch caused by liquid |
| CN111103959A (en) * | 2019-12-20 | 2020-05-05 | 展讯通信（上海）有限公司 | Register resetting system and chip |
| CN111103959B (en) * | 2019-12-20 | 2021-05-18 | 展讯通信（上海）有限公司 | Register resetting system and chip |
| CN113296625A (en) * | 2020-02-24 | 2021-08-24 | 高尔科技股份有限公司 | Double-sided photo-thermal reaction selection lock and manufacturing method thereof |
| CN111766974A (en) * | 2020-06-12 | 2020-10-13 | 惠州市华星光电技术有限公司 | Touch panel and touch display device |
| US11861085B2 (en) | 2020-06-12 | 2024-01-02 | Huizhou China Star Optoelectronics Technology Co., Ltd. | Touch panel and touch display device |
| CN112947787A (en) * | 2021-02-23 | 2021-06-11 | 北京京东方显示技术有限公司 | Touch panel, display device, display system and touch method |
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